CN105150545A - Granule feeding system for 3D printer - Google Patents
Granule feeding system for 3D printer Download PDFInfo
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- CN105150545A CN105150545A CN201510668569.XA CN201510668569A CN105150545A CN 105150545 A CN105150545 A CN 105150545A CN 201510668569 A CN201510668569 A CN 201510668569A CN 105150545 A CN105150545 A CN 105150545A
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Abstract
The invention relates to a granule feeding system for a 3D printer. The granule feeding system comprises a print head granule feeding pump and a granule quantitative feeding box, wherein the print head granule feeding pump is arranged at the front end of a print head feeding given driving channel; a discharge port of the granule quantitative feeding box is connected with a feeding port of the print head granule feeding pump through a gas conveying pipeline; the granule quantitative feeding box is used for feeding the granule into the print head granule feeding pump through the gas conveying pipeline; the print head granule feeding pump is used for uniformly discharging the granules from the discharge port one by one. The granule feeding system for the 3D printer has the beneficial effects that the granule quantitative feeding box is used for controlling the conveying quantity of the granules, the gas conveying pipeline is used for feeding the granules into the print head granule feeding pump and the print head granule feeding pump can accurately and stably provide the granules to a 3D print sprayer, so that the automatic feeding of the granules is realized, the continuous normal work of the 3D print sprayer is ensured and the printing precision is achieved.
Description
Technical field
The invention belongs to 3D print apparatus, particularly relate to a kind of 3D printer particulate material feeding system.
Background technology
It is a kind of emerging forming parts technology that 3D prints, and is in fast development and application stage.Conventional 3D printer realizes part forming by 3D printing head jet printing material, and a kind of feed mode of this 3D printer is for 3D printhead provides granular printed material.Make 3D printing head stably jet printing material, and continue normal work, reach printing precision, the feeding system that particle printed material can be provided to 3D printing head continuously and stably must be equipped with.
Summary of the invention
The object of the invention is the technical scheme proposing a kind of 3D printer particulate material feeding system, provide particle printed material continuously and stably to 3D printing head.
To achieve these goals, technical scheme of the present invention is: a kind of 3D printer particulate material feeding system, comprises printhead feed given driving passage, the given pump of particulate material and particulate material quantitative feeding case, the given pump of described printhead particulate material is arranged on the given driving Channel front end of printhead feed, the given pump of described printhead particulate material comprises charging aperture and discharging opening, described particulate material quantitative feeding case is provided with discharging opening, the discharging opening of described particulate material quantitative feeding case connects the charging aperture of the given pump of described printhead particulate material by gas transmission pipeline, particulate material is sent into the given pump of described printhead particulate material by described gas transmission pipeline by described particulate material quantitative feeding case, particulate material order exports from described discharging opening and enters described given driving passage by the given pump of described printhead particulate material.
Further, the given pump of described printhead particulate material also comprises feed cavity, storage cavity, feed driver plate; Described feed cavity is provided with described charging aperture, is provided with feed cavity baffle plate on the opposite of charging aperture, and described feed cavity baffle plate is provided with air passing hole, is provided with feed cavity outlet at the sidewall of feed cavity; Feed cavity is arranged in described storage cavity, and feed cavity is positioned at the top of storage cavity side, and the particulate material entering feed cavity falls in storage cavity from feed cavity outlet; Be provided with described feed driver plate at the opposite side of storage cavity, be provided with described discharging opening at the sidewall of storage cavity, feed driver plate rotates in vertical plane, upwards stirs the particulate material in storage cavity when feed driver plate rotates.
Further, in order to not affect discharging opening function, described feed cavity outlet is towards the direction contrary with described discharging opening;
In order to enable particulate material successfully enter feed driver plate, the storage cavity below described feed cavity is provided with the beveled cone making particulate material enter described feed driver plate.
Further, in order to the output quantity enabling driver plate control particulate material accurately, the bottom of described storage cavity is the circular arc corresponding with the external diameter of described feed driver plate; Be provided with multiple shifting block at feed driver plate towards the end face inside storage cavity, described multiple shifting block divides distribution along the external diameter etc. of feed driver plate; Described shifting block be provided with upwards stir described particulate material stir face, described in stir face area be greater than the area of a preservation particulate material, the area stirring face is less than the area of preservation two particulate material.
Further, in order to enable shifting block reliably stir particulate material, described in the face of stirring be provided with the discharging inclination angle that particulate material is rolled out to discharging opening direction, face of stirring tilts from the front of the inner side of feed driver plate outer radial feed driver plate and rotation direction; Described face of stirring also be provided with described shifting block is carried particulate material rises carries inclination angle, face of stirring tilts to the front of the inner side of storage cavity and feed driver plate rotation direction from feed driver plate end face;
Described discharging inclination angle of stirring face be the face of stirring and stir the point of face on feed driver plate external diameter to feed driver plate pivot line between angle, the angle at discharging inclination angle is 30 ° ~ 40 °; Described inclination angle of carrying of stirring face is angle between the face of stirring and feed driver plate axis line, and the angle of carrying inclination angle is 7.5 ° ~ 15 °.
Further, described feed driver plate is driven by a driver plate drive motors, and described driver plate drive motors is buncher, and the rotating speed of described driver plate is 10 revs/min ~ 30 revs/min.
Further, described particulate material quantitative feeding case comprises storage bin, dish plate, feed driver, feed hopper, conveying gas circuit; Described storage bin is a warehouse being provided with slope shape base plate, described slope shape base plate tilts from the back upper place forward downward of storage bin, described dish plate is provided with in the front end of storage bin, described dish plate moves back and forth along bulkhead before storage bin, the upper end of described dish plate is provided with the inclined-plane for keeping described particulate material, the inclined-plane of described dish plate upper end is downward-sloping with the side in arm contact face, described front storehouse, and the thickness of described dish plate makes the inclined-plane of dish plate upper end can only keep a particulate material at thickness direction; The upper end of described dish plate promotes described particulate material and moves upward and fall into described feed hopper, dish plate motion described in described feed driver drives from the upper edge of bulkhead before described storage bin; Described conveying gas circuit is provided with the feed pipe connecting described feed hopper and described particulate material quantitative feeding case discharging opening.
Further, before described storage bin, above bulkhead, be provided with the feed bin baffle plate preventing described particulate material the past bulkhead from overflowing;
Described feed driver comprises gear, tooth bar and feed motor, described feed motor is buncher, pinion rotation described in described feed driven by motor, described tooth bar is fixedly mounted on described dish plate, and described gear is moved back and forth by dish plate described in described rack drives; Described dish plate reciprocation period is 1.5 seconds ~ 6 seconds;
The front bulkhead of described storage bin is the bulkhead of vertical direction, and described dish plate vertically moves back and forth.
Further, described conveying gas circuit also comprises the appendix connecting compressed air gas source and feed hopper, and described appendix is provided with magnetic valve and pressure-reducing valve.
Further, multiple particulate material is used to mix finished parts in order to enable 3D printer, described feeding system comprises particulate material quantitative feeding case described in multiple stage, and the discharging opening of described multiple stage particulate material quantitative feeding case connects described gas transmission pipeline by bull gas path joint.
The invention has the beneficial effects as follows: adopt particulate material quantitative feeding case to control the conveying capacity of particulate material, gas transmission pipeline is adopted particulate material to be sent into the given pump of printhead particulate material, the given pump of printhead particulate material can provide particulate material to 3D printing head accurately and stably, achieves the Automatic-feeding of particulate material; Can ensure that 3D printing head continues normal work, reach printing precision.
Below in conjunction with drawings and Examples, the present invention is described in detail.
Accompanying drawing explanation
Fig. 1 is present system structure chart;
Fig. 2 is the given pump configuration figure of particulate material of the present invention;
Fig. 3 is the given pump configuration exploded view of particulate material of the present invention;
Fig. 4 is the feed driver plate end view drawing of the given pump of particulate material of the present invention;
Fig. 5 is the A direction view of Fig. 4;
Fig. 6 is the given pump work schematic diagram of particulate material of the present invention, and the state of particulate material stirred by signal feed driver plate;
Fig. 7 is the given pump work schematic diagram of particulate material of the present invention, the state that signal particulate material exports from discharging opening;
Fig. 8 is the cut-away view of particulate material quantitative feeding case of the present invention;
Fig. 9 is the cut-away view observed from the rear direction of Fig. 8, at feed hopper part broken section;
Figure 10 is the operating diagram of particulate material quantitative feeding case of the present invention, is the state diagram that dish plate moves to lower end;
Figure 11 is the operating diagram of particulate material quantitative feeding case of the present invention, is the state diagram that dish plate moves to upper end;
Figure 12 is the system construction drawing that the present invention is provided with 3 particulate material quantitative feeding casees.
Detailed description of the invention
As Fig. 1, a kind of 3D printer particulate material feeding system, comprises printhead feed given driving passage 03, the given pump 01 of particulate material and particulate material quantitative feeding case 02, the given pump of described printhead particulate material is arranged on the given driving Channel front end of printhead feed, the given pump of described printhead particulate material comprises charging aperture 11 and discharging opening 21, described particulate material quantitative feeding case is provided with discharging opening 71, the discharging opening of described particulate material quantitative feeding case connects the charging aperture of the given pump of described printhead particulate material by gas transmission pipeline 04, particulate material is sent into the given pump of described printhead particulate material by described gas transmission pipeline by described particulate material quantitative feeding case, particulate material order exports from described discharging opening and enters described given driving passage by the given pump of described printhead particulate material.
Described printhead feed given driving passage (or be called for short " given driving passage ") is for printhead 06 provides the passage of particulate material, the front end of described given driving passage connects the discharging opening of the given pump of described printhead particulate material, and the rear end of described given driving passage connects described printhead.
As Fig. 2, Fig. 3, Fig. 4, Fig. 5, the given pump of described printhead particulate material also comprises feed cavity 10, storage cavity 20, feed driver plate 30; Described feed cavity is provided with described charging aperture 11, is provided with feed cavity baffle plate 12 on the opposite of charging aperture, and described feed cavity baffle plate is provided with air passing hole 13, is provided with feed cavity outlet 14 at the sidewall of feed cavity; Feed cavity is arranged in described storage cavity, and feed cavity is positioned at the top of storage cavity side, and the particulate material entering feed cavity falls in storage cavity from feed cavity outlet; Be provided with described feed driver plate at the opposite side of storage cavity, be provided with described discharging opening 21 at the sidewall of described storage cavity, feed driver plate rotates in vertical plane, upwards stirs the particulate material in storage cavity when feed driver plate rotates,
Described feed cavity outlet is towards the direction contrary with described discharging opening.
Storage cavity below described feed cavity is provided with the beveled cone 22 making particulate material enter described feed driver plate.
The bottom of described storage cavity is the circular arc corresponding with the external diameter of described feed driver plate; Be provided with multiple shifting block 31 at feed driver plate towards the end face inside storage cavity, described multiple shifting block divides distribution along the external diameter etc. of feed driver plate; Described shifting block is provided with the face of stirring 32 of upwards stirring described particulate material, described in stir face area be greater than the area of a preservation particulate material, the area stirring face is less than the area of preservation two particulate material.
The described face of stirring is provided with the discharging inclination alpha that particulate material is rolled out to discharging opening direction, and face of stirring tilts from the front of the inner side of feed driver plate outer radial feed driver plate and rotation direction; Described face of stirring also be provided with described shifting block is carried particulate material rises carries angle of inclination beta, face of stirring tilts to the front of the inner side of storage cavity and feed driver plate rotation direction from feed driver plate end face.
Described discharging inclination alpha of stirring face be the face of stirring and stir the point of face on feed driver plate external diameter to feed driver plate pivot line between angle, the angle at discharging inclination angle is 30 ° ~ 40 °; Described angle of inclination beta of carrying of stirring face is angle between the face of stirring and feed driver plate axis line, and the angle of carrying inclination angle is 7.5 ° ~ 15 °.
Described feed driver plate is driven by a driver plate drive motors, and described driver plate drive motors is buncher, and the rotating speed of described driver plate is 10 revs/min ~ 30 revs/min.
As Fig. 8, Fig. 9, described particulate material quantitative feeding case comprises storage bin 60, dish plate 61, feed driver, feed hopper 62, conveying gas circuit; Described storage bin is a warehouse being provided with slope shape base plate 63, described slope shape base plate tilts from the back upper place forward downward of storage bin, described dish plate is provided with in the front end of storage bin, described dish plate moves back and forth along bulkhead 64 before storage bin, the upper end of described dish plate is provided with the inclined-plane 61a for keeping described particulate material, the inclined-plane of described dish plate upper end is downward-sloping with the side in arm contact face, described front storehouse, and the thickness of described dish plate makes the inclined-plane of dish plate upper end can only keep a particulate material at thickness direction; The upper end of described dish plate promotes described particulate material and moves upward and fall into described feed hopper, dish plate motion described in described feed driver drives from the upper edge of bulkhead before described storage bin; Described conveying gas circuit is provided with the feed pipe 72 connecting described feed hopper and described particulate material quantitative feeding case discharging opening 71.
The feed bin baffle plate 65 preventing described particulate material the past bulkhead from overflowing is provided with above bulkhead before described storage bin.
Described feed driver comprises gear 66, tooth bar 67 and feed motor 68, described feed motor is buncher, pinion rotation described in described feed driven by motor, described tooth bar is fixedly mounted on described dish plate, and described gear is moved back and forth by dish plate described in described rack drives.Described dish plate reciprocation period is 1.5 seconds ~ 6 seconds.
The front bulkhead of described storage bin is the bulkhead of vertical direction, and described dish plate vertically moves back and forth.
Described conveying gas circuit also comprises the appendix 73 connecting compressed air gas source and feed hopper, and described appendix is provided with magnetic valve 74 and pressure-reducing valve 75.
As Figure 12, described feeding system comprises particulate material quantitative feeding case described in multiple stage, and the discharging opening of described multiple stage particulate material quantitative feeding case connects described gas transmission pipeline by bull gas path joint 05.
Embodiment one:
As Fig. 2, Fig. 3, Fig. 4, Fig. 5, the given pump of a kind of printhead particulate material, comprises feed cavity 10, storage cavity 20, feed driver plate 30.
Feed cavity is provided with charging aperture 11, is provided with feed cavity baffle plate 12 on the opposite of charging aperture, and feed cavity baffle plate is provided with air passing hole 13, is provided with feed cavity outlet 14 at the sidewall of feed cavity.
The side of storage cavity is feed driver plate installation side, and feed driver plate installation side is provided with feed driver plate installing hole 23, and the bottom of feed driver plate installation side is the circular arc feed bin 24 concentric with feed driver plate installing hole.The opposite side of storage cavity is feed cavity installation side, and feed cavity installation side is provided with feed cavity installing hole 25, and feed cavity installing hole is arranged on the top of storage cavity; The bottom of feed cavity installation side is the beveled cone 22 connecting feed cavity installing hole and circular arc feed bin.Discharging opening 21 is provided with at the sidewall of storage cavity.
Feed cavity is arranged in the feed cavity installing hole of storage cavity, and feed cavity is arranged in storage cavity, and feed cavity outlet is towards the direction contrary with the discharging opening of storage cavity.
Feed driver plate is arranged in storage cavity by feed driver plate installing hole, and the external diameter of delivery plate corresponds to the circular arc feed bin of storage cavity.Feed driver plate is provided with eight shifting blocks, 31, eight shifting blocks and is arranged on feed driver plate towards on the end face inside storage cavity, and eight shifting blocks are along point distribution such as external diameter of feed driver plate; Feed driver plate rotates in vertical plane, and when feed driver plate rotates, shifting block moves along the circular arc feed bin pressing close to storage cavity, and shifting block moves from the bottom in discharging chamber to the direction of discharging opening.
Shifting block is provided with the face of stirring 32 of upwards stirring described particulate material, and the area stirring face is greater than the area of a preservation particulate material, and the area stirring face is less than the area of preservation two particulate material.The face of stirring is provided with the discharging inclination alpha that particulate material is rolled out to discharging opening direction, the face of stirring is tilted from the front of the inner side of feed driver plate outer radial feed driver plate and rotation direction, discharging inclination angle be the face of stirring and stir the point of face on feed driver plate external diameter to feed driver plate pivot line between angle, discharging inclination alpha=35 ° in the present embodiment.Face of stirring also be provided with shifting block is carried particulate material rises carries angle of inclination beta, face of stirring tilts to the front of the inner side of storage cavity and feed driver plate rotation direction from feed driver plate end face; The angle of inclination beta of carrying of stirring face is angle between the face of stirring and feed driver plate axis line, carries angle of inclination beta=10 ° in the present embodiment.
Feed driver plate is driven by a driver plate drive motors 40, and described driver plate drive motors is buncher, and the rotating speed of driver plate is 10 revs/min ~ 30 revs/min.
As Fig. 6, Fig. 7, operationally, particulate material 50 is sent into feed cavity by gas transmission pipeline from charging aperture to 3D printer particulate material setter, and the air-flow of conveying particulate material is discharged through the air passing hole on feed cavity baffle plate.The particulate material entering feed cavity falls into the circular arc feed bin (as figure particulate material 51) of storage cavity from feed cavity outlet, owing to being the cone connecting feed cavity installing hole and circular arc feed bin below feed cavity, particulate material can drop in the circular arc feed bin of storage cavity bottom.When feed driver plate rotates, the shifting block of feed driver plate upwards stirs the particulate material (as particulate material in figure 52) in storage cavity, when particulate material is struck discharging opening, the face of stirring due to shifting block is provided with discharging inclination angle, and particulate material is dropped out (as particulate material figure 53) from described discharging opening.The face of stirring due to shifting block is provided with carries inclination angle, and in the process of stirring, particulate material can not be fallen in storage cavity from shifting block.Area due to the face of stirring of shifting block is greater than the area of a preservation particulate material and the area stirring face is less than the area of preservation two particulate material, set ahead for one and once only a particulate material sent from discharging opening, other is set ahead the particulate material (as particulate material in figure 54) of stirring and can be fallen back in storage cavity.Like this, particulate material exports from discharging opening one by one with individual particle equably.
Embodiment two:
As Fig. 8, Fig. 9, a kind of particulate material quantitative feeding case.Particulate material quantitative feeding case comprises storage bin 60, dish plate 61, feed driver, feed hopper 62, conveying gas circuit.
Storage bin is a warehouse being provided with slope shape base plate 63, and slope shape base plate tilts from the back upper place forward downward of storage bin, and the angle γ of slope shape base plate and horizontal plane should be not less than 30 °, angle γ=38 ° of the present embodiment slope shape base plate and horizontal plane.The front bulkhead 64 of described storage bin is the bulkhead of vertical direction.
Described dish plate is provided with in the front end of storage bin, dish plate moves back and forth in the vertical direction along bulkhead before storage bin, the upper end of dish plate is provided with the inclined-plane 61a for keeping described particulate material, the inclined-plane of dish plate upper end is downward-sloping with the side in arm contact face, described front storehouse, and the thickness of dish plate makes the inclined-plane of dish plate upper end can only keep a particulate material at thickness direction.
The feed bin baffle plate 65 preventing described particulate material the past bulkhead from overflowing is provided with above bulkhead before storage bin.
Feed driver drives dish plate moves; Feed driver comprises gear 66, tooth bar 67 and feed motor 68, and feed motor is buncher, and feed motor driven gear rotates, and tooth bar is fixedly mounted on described dish plate, and gear is moved back and forth by rack drives dish plate.By controlling the rotating speed of feed motor, dish plate reciprocation period can be made to adjust within the scope of 1.5 seconds ~ 6 seconds.
Conveying gas circuit is provided with the feed pipe 72 connecting described feed hopper and described particulate material quantitative feeding case discharging opening 71.Conveying gas circuit also comprises the appendix 73 connecting compressed air gas source and feed hopper, and appendix is provided with magnetic valve 74 and pressure-reducing valve 75.
As Figure 10, Figure 11, operationally, particulate material 50 is loaded in storage bin particulate material quantitative feeding case.Dish plate moves downwardly to the bottom of storage bin by the drive of feed driver, and partial particulate material can enter dish plate and establish bevelled upper end.Then, dish plate moves upward, and the upper end of dish plate promotes described particulate material and moves upward and fall into described feed hopper from the upper edge of bulkhead before storage bin.Simultaneously, the magnetic valve controlling appendix switch is opened, compressed-air actuated gas source pipe enters appendix, reduce pressure through pressure-reducing valve, air pressure and air-flow are adjusted to suitable level, and the particulate material in feed hopper, by the bottom of feed hopper, sucks in feed pipe by air-flow, air-flow continues particulate material to blow out discharging opening through feed pipe, is delivered to the given pump of printhead particulate material described in embodiment one through gas transmission pipeline.
Because the inclined-plane of dish plate upper end is downward-sloping with the side in arm contact face, described front storehouse, particulate material can be remained on the upper end of dish plate by dish plate, again due to the size Control of the thickness of dish plate, make the inclined-plane of dish plate upper end can only keep a particulate material at thickness direction, dish plate moves and the particulate material of fixed qty was sent into feed hopper in one week, thus can control the conveying capacity of particulate material.
Embodiment three:
As Figure 12, a kind of 3D printer particulate material feeding system.Particulate material is provided to 3D printing head; Described 3D printer particulate material feeding system comprises the given pump 01 of printhead particulate material described in embodiment one and the particulate material quantitative feeding case 02 described in embodiment two.
The 3D printer of the present embodiment is a kind of single armed 3D printer, and single armed 3D printer comprises column 81, base plate 82, bogie 83, prints arm 84.Print the printing arm that arm is rotary actuation, the printhead of 3D printer is arranged on the front end printing arm, and bogie drives printing arm to rotate with vertical direction in the horizontal direction.
The given pump of printhead particulate material is arranged on printhead feed given driving passage 03 front end.Printhead feed given driving passage (or be called for short " given driving passage ") is that the front end of given driving passage connects the discharging opening 21 of the given pump of printhead particulate material, and the rear end of given driving passage connects printhead for printhead 06 provides the passage of particulate material.
The given pump of printhead particulate material comprises charging aperture 11 and discharging opening 21, particulate material quantitative feeding case is provided with discharging opening 71, the discharging opening of particulate material quantitative feeding case connects the charging aperture of the given pump of described printhead particulate material by gas transmission pipeline 04, particulate material is sent into the given pump of described printhead particulate material by gas transmission pipeline by particulate material quantitative feeding case, the given pump of printhead particulate material by particulate material equably order to export from described discharging opening and enter the given driving passage of described feed.
3D printer particulate material feeding system is provided with three particulate material quantitative feeding casees.The discharging opening of three particulate material quantitative feeding casees connects gas transmission pipeline by bull gas path joint 05.Particulate material needed for 3D printer is stored in particulate material quantitative feeding case, every platform particulate material quantitative feeding case stores a kind of particulate material of color, make 3D printer can manufacture the Same Part with different colours, or the connection not needing to change particulate material quantitative feeding case and manufacture different colours.
Particulate material quantitative feeding case connects the charging aperture of particulate material setter by gas transmission pipeline.
The given pump of printhead particulate material is provided with feed driver plate, each shifting block of feed driver plate rotates a circle a given driving passage of particulate material feeding printhead feed, make 3D printing head obtain printing particulate material continuously and stably, can ensure that 3D printing head continues normal work, reach printing precision.
Claims (10)
1. a 3D printer particulate material feeding system, comprises printhead feed given driving passage, the given pump of particulate material and particulate material quantitative feeding case, the given pump of described printhead particulate material is arranged on the given driving Channel front end of printhead feed, the given pump of described printhead particulate material comprises charging aperture and discharging opening, described particulate material quantitative feeding case is provided with discharging opening, it is characterized in that, the discharging opening of described particulate material quantitative feeding case connects the charging aperture of the given pump of described printhead particulate material by gas transmission pipeline, particulate material is sent into the given pump of described printhead particulate material by described gas transmission pipeline by described particulate material quantitative feeding case, particulate material order exports from described discharging opening and enters described given driving passage by the given pump of described printhead particulate material.
2. a kind of 3D printer particulate material feeding system according to claim 1, it is characterized in that, the given pump of described printhead particulate material also comprises feed cavity, storage cavity, feed driver plate; Described feed cavity is provided with described charging aperture, is provided with feed cavity baffle plate on the opposite of charging aperture, and described feed cavity baffle plate is provided with air passing hole, is provided with feed cavity outlet at the sidewall of feed cavity; Feed cavity is arranged in described storage cavity, and feed cavity is positioned at the top of storage cavity side, and the particulate material entering feed cavity falls in storage cavity from feed cavity outlet; Be provided with described feed driver plate at the opposite side of storage cavity, be provided with described discharging opening at the sidewall of storage cavity, feed driver plate rotates in vertical plane, upwards stirs the particulate material in storage cavity when feed driver plate rotates.
3. a kind of 3D printer particulate material feeding system according to claim 2, is characterized in that, described feed cavity outlet is towards the direction contrary with described discharging opening; Storage cavity below described feed cavity is provided with the beveled cone making particulate material enter described feed driver plate.
4. a kind of 3D printer particulate material feeding system according to claim 2, is characterized in that, the bottom of described storage cavity is the circular arc corresponding with the external diameter of described feed driver plate; Be provided with multiple shifting block at feed driver plate towards the end face inside storage cavity, described multiple shifting block divides distribution along the external diameter etc. of feed driver plate; Described shifting block be provided with upwards stir described particulate material stir face, described in stir face area be the area can only preserving a particulate material.
5. a kind of 3D printer particulate material feeding system according to claim 4, it is characterized in that, the described face of stirring is provided with the discharging inclination angle that particulate material is rolled out to discharging opening direction, and face of stirring tilts from the front of the inner side of feed driver plate outer radial feed driver plate and rotation direction; Described face of stirring also be provided with described shifting block is carried particulate material rises carries inclination angle, face of stirring tilts to the front of the inner side of storage cavity and feed driver plate rotation direction from feed driver plate end face;
Described discharging inclination angle of stirring face be the face of stirring and stir the point of face on feed driver plate external diameter to feed driver plate pivot line between angle, the angle at discharging inclination angle is 30 ° ~ 40 °; Described inclination angle of carrying of stirring face is angle between the face of stirring and feed driver plate axis line, and the angle of carrying inclination angle is 7.5 ° ~ 15 °.
6. a kind of 3D printer particulate material feeding system according to claim 2, it is characterized in that, described feed driver plate is driven by a driver plate drive motors, and described driver plate drive motors is buncher, and the rotating speed of described driver plate is 10 revs/min ~ 30 revs/min.
7. a kind of 3D printer particulate material feeding system according to claim 1, it is characterized in that, described particulate material quantitative feeding case comprises storage bin, dish plate, feed driver, feed hopper, conveying gas circuit; Described storage bin is a warehouse being provided with slope shape base plate, described slope shape base plate tilts from the back upper place forward downward of storage bin, described dish plate is provided with in the front end of storage bin, described dish plate moves back and forth along bulkhead before storage bin, the upper end of described dish plate is provided with the inclined-plane for keeping described particulate material, the inclined-plane of described dish plate upper end is downward-sloping with the side in arm contact face, described front storehouse, and the thickness of described dish plate makes the inclined-plane of dish plate upper end can only keep a particulate material at thickness direction; The upper end of described dish plate promotes described particulate material and moves upward and fall into described feed hopper, dish plate motion described in described feed driver drives from the upper edge of bulkhead before described storage bin; Described conveying gas circuit is provided with the feed pipe connecting described feed hopper and described particulate material quantitative feeding case discharging opening.
8. a kind of 3D printer particulate material feeding system according to claim 7, is characterized in that, is provided with the feed bin baffle plate preventing described particulate material the past bulkhead from overflowing before described storage bin above bulkhead;
Described feed driver comprises gear, tooth bar and feed motor, described feed motor is buncher, pinion rotation described in described feed driven by motor, described tooth bar is fixedly mounted on described dish plate, and described gear is moved back and forth by dish plate described in described rack drives; Described dish plate reciprocation period is 1.5 seconds ~ 6 seconds;
The front bulkhead of described storage bin is the bulkhead of vertical direction, and described dish plate vertically moves back and forth.
9. a kind of 3D printer particulate material feeding system according to claim 7, is characterized in that, described conveying gas circuit also comprises the appendix connecting compressed air gas source and feed hopper, and described appendix is provided with magnetic valve and pressure-reducing valve.
10. a kind of 3D printer particulate material feeding system according to claim 1, it is characterized in that, described feeding system comprises particulate material quantitative feeding case described in multiple stage, and the discharging opening of described multiple stage particulate material quantitative feeding case connects described gas transmission pipeline by bull gas path joint.
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| CN109904102A (en) * | 2019-03-08 | 2019-06-18 | 常州回天新材料有限公司 | Solar battery back film particle feed system |
| CN111745964A (en) * | 2016-10-18 | 2020-10-09 | Cl产权管理有限公司 | Device for additive manufacturing of three-dimensional components |
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| CN111745964A (en) * | 2016-10-18 | 2020-10-09 | Cl产权管理有限公司 | Device for additive manufacturing of three-dimensional components |
| CN107139481A (en) * | 2017-07-07 | 2017-09-08 | 芜湖智享三维打印服务有限公司 | A kind of 3D printing dusty material conveying device |
| CN107139481B (en) * | 2017-07-07 | 2019-05-17 | 江山合创快速制造技术有限公司 | A kind of 3D printing dusty material conveying device |
| CN109904102A (en) * | 2019-03-08 | 2019-06-18 | 常州回天新材料有限公司 | Solar battery back film particle feed system |
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| CN105150545B (en) | 2017-06-13 |
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Effective date of registration: 20210425 Address after: 161000 Room 601, unit 2, building 4, Tieming Committee, Hongan street, Fularji District, Qiqihar City, Heilongjiang Province Patentee after: Zhou Jingchao Address before: 1701-1703, 37 nanmofang Road, Chaoyang District, Beijing Patentee before: BEIJING DUOBA TECHNOLOGY Co.,Ltd. |
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