Three-axis computer numerical controlled spring pressuring machine
Technical field
The invention discloses a kind of three-axis computer numerical controlled spring pressuring machine, belong to spring production machine tool technical field, is a kind of spring manufacturing equipment that integrates machinery, computer.
Background technology
At present, computer numerical controlled spring pressuring machine generally have two, four, five computer numerical controlled spring pressuring machines promptly by two or four, five servomotors control line sending, reducing respectively, switch political loyalty apart from, go up and cut off, cut off down the manufacturing of finishing spring.Two above-mentioned computer numerical controlled spring pressuring machines, form by servomotor control by line sending Y-axis mechanism, cam X-axis mechanism, the line sending of line sending Y-axis mechanism controls, cam X-axis mechanism is by connecting rod, and lever piece connects control spring external diameter (reducing), switch political loyalty distance and upper and lower cut-out, so the drive mechanism complexity, the part processing difficulty is big, accumulated error is many, and precision is low, and manufacturing cost is big; Above-mentioned four-shaft computer numerical control pressure spring machine, by line sending Y-axis mechanism, cam X-axis mechanism, last blank A axis mechanism, following blank B axis mechanism is formed by servomotor control, the line sending of wherein line sending Y-axis mechanism controls, cam X-axis mechanism controls external diameter (reducing), last blank A axle control dextrorotation blank, following blank B axle is controlled left-handed blank, the traitorous distance of spring then need lean on cam X-axis mechanism to pass through connecting rod, machine components such as lever connect control, therefore also there is the accumulated error of component of machine processing in the pitch of spring, the spring precision of making is difficult to improve, and has strengthened production cost; Five above-mentioned computer numerical controlled spring pressuring machines are independently controlled by five servomotors respectively and are formed by line sending Y-axis mechanism, cam X-axis mechanism, last blank A axis mechanism, following blank B axis mechanism, pitch Z axis mechanism, therefore its manufacturing cost is quite big, and this product is applicable to the stage clip that processed springs wire material 5mm is above, the pressure spring machine of making little line footpath stage clip is then because of reasons such as its installation dimension, production costs, seldom use, so the scope of application is smaller.
Summary of the invention
For addressing the above problem, the object of the invention is to provide a kind of reasonable in design, perfect in shape and function, with low cost and simple to operate and can substitute the three-axis computer numerical controlled spring pressuring machine of four, five computer numerical controlled spring pressuring machines.
The present invention will solve the technical scheme that its technical problem adopts: a kind of three-axis computer numerical controlled spring pressuring machine, comprise frame, rack-mounted body front panel, the body rear board, it is characterized in that: line sending Y-axis mechanism is installed on body front panel and body rear board, cam X-axis mechanism, pitch Z axis mechanism, line sending Y-axis mechanism, cam X-axis mechanism, pitch Z axis mechanism is respectively by the Y-axis servomotor, the X-axis servomotor, the control of Z axle servomotor, described cam X-axis mechanism comprises the camshaft that is installed on body front panel and the body rear board, last blank axle, following blank axle, last blank gap bridge axle, following blank gap bridge axle, be provided with the reducing cam chair of band reducing cam bit at an end of camshaft, its other end is provided with first helical gear, this first helical gear respectively with pass a bridge second helical gear on the axle of last blank, the 3rd helical gear on the following blank gap bridge axle and the pinion that connects with the X-axis servomotor, on passing a bridge axle and following blank gap bridge axle, last blank is equipped with groove cam ring and cam disc, the pitch cam bit is installed on cam disc or is strengthened the blank cam, last blank axle and following blank axle are provided with blank slide block rocking arm, following blank slide block rocking arm and adjustable blank rocking arm, adjustable blank rocking arm can connect with groove cam ring and cam disc respectively.This cam X-axis mechanism has reached control stage clip external diameter, cuts off the traitorous apart from effect of stage clip wire and control stage clip.
The further setting of the present invention is: described line sending Y-axis mechanism comprises the line sending axle that is installed between body front panel and the body rear board, on the line sending axle, be provided with wire feeding gear, on the body rear board, be provided with the gap bridge axle of tape spool bearing, end at the axle of passing a bridge is provided with carrier gear, its other end is provided with reduction gearing, reduction gearing is connected with the Y-axis servomotor by reduction box, wherein carrier gear and wire feeding gear engagement, and an end that is positioned at the body front panel on the line sending axle also is provided with Wire Wheel.This structure has reached the purpose of carrying spring steel silk thread and control spring wire length.
Of the present inventionly further be set to: described bearing block is the adjustable bearing seat, has guaranteed the desirable meshed center distance of wire feeding gear and carrier gear, has improved the precision of product.
Of the present inventionly further be set to: described blank axle and the following blank axle of passing a bridge of passing a bridge of going up all is installed on body front panel, the body rear board by eccentric bearing block, be installed in first helical gear and last blank on the camshaft pass a bridge second helical gear on the axle, identical, the gear ratio of the 3rd helical gear modulus on the blank gap bridge spool is 1:1 down.Above-mentioned eccentric bearing block has reached the purpose of regulating the accuracy of mesh between the helical gear.
Of the present inventionly further be set to: described pitch Z axis mechanism comprises pitch cam bit, push rod, pawls, push rod, pawling is installed on the body front panel, push rod and pitch cam bit are connected, the pitch cam bit connects with pitch Z axle servomotor by reduction box, and push rod links to each other with pawling.This structure has reached the function of control spring pitch.
After the present invention adopts said structure, Y-axis servomotor, X-axis servomotor, Z axle servomotor are controlled line sending Y-axis mechanism respectively, cam X-axis mechanism, pitch Z axis mechanism have been finished functions such as the needed control line sending of making stage clip, reducing, traitorous distance, cut-out respectively.The invention solves the problem that substantially only is applicable to the stage clip of processed springs wire material more than 5mm that five computer numerical controlled spring pressuring machines cause because of reasons such as installation dimension, production costs, the present invention just can produce different line footpath stage clips as long as change different spring steel wire materials.
Below in conjunction with the drawings and specific embodiments the present invention is described in further detail.
Description of drawings
Fig. 1 is a structural representation of the present invention;
Fig. 2 is the structural representation of line sending Y-axis of the present invention mechanism;
Fig. 3 is the structural representation of cam X-axis of the present invention mechanism;
Fig. 4 is the structural representation of pitch Z axis mechanism of the present invention;
Fig. 5 is the scheme of installation of the servomotor of cam X-axis of the present invention mechanism, line sending Y-axis mechanism, pitch Z axis mechanism.
The specific embodiment
With reference to shown in Figure 1, the present invention is mainly by frame 4, be installed in body front panel 12, body rear board 13 on the frame 4, and the line sending alignment frame 1, line sending Y-axis mechanism 2, cam X-axis mechanism 3, pitch Z axis mechanism 6, computer controller 5, the array pneumatic element 7 that are installed on body front panel 12 and the body rear board 13 are formed.
Referring again to Fig. 2, described line sending Y-axis mechanism 2 comprises the line sending lower shaft 201 that is installed on body front panel 12 and the body rear board 13, axle 202 in the line sending, at line sending lower shaft 201, be respectively equipped with intermeshing lower shaft wire feeding gear 191 on the axle 202 in the line sending, last axle wire feeding gear 192, on body rear board 13, be provided with the gap bridge axle 18 of tape spool bearing 16, bearing block 16 is the adjustable bearing seat, end at the axle 18 of passing a bridge is provided with carrier gear 17, its other end is provided with reduction gearing 14, reduction gearing 14 is connected with Y-axis servomotor 10 by reduction box 15, Y-axis servomotor 10 is installed on the body rear board 13, wherein carrier gear 17 meshes with lower shaft wire feeding gear 191, at line sending lower shaft 201, an end that is positioned at body front panel 12 in the line sending on the axle 202 also all is provided with Wire Wheel 21, Wire Wheel 21 can be changed different Wire Wheel 21 according to the difference of processing stage clip steel wire diameter.
Please again in conjunction with shown in Figure 3, described cam X-axis mechanism 3 comprises the camshaft 28 that is installed on body front panel 12 and the body rear board 13, last blank axle 34, following blank axle 30, last blank gap bridge axle 27, following blank gap bridge axle 29, be provided with the reducing cam chair 321 of band reducing cam bit 32 at an end of camshaft 28, reducing cam bit 32 is used for changing the external diameter and the shape of spring, the other end of camshaft 28 is provided with first helical gear 8, first helical gear 8 respectively with second helical gear 81, the 3rd helical gear 82 and pinion 83 engagements that connect with X-axis servomotor 9, X-axis servomotor 9 is installed on the body rear board 13, above-mentioned last blank gap bridge axle 27 all is fixed on body front panel 12 by eccentric bearing block 33 with following blank gap bridge axle 29, on the body rear board 13, on passing a bridge axle 27 and following blank gap bridge axle 29, last blank is equipped with groove cam ring 26 and cam disc 24, wherein groove cam ring 26 turns round under high speed steadily, automatically reset and muting characteristics, have the function of cut-out and traitorous distance.Pitch cam bit 251 can be installed on cam disc 24 or strengthen blank cam 25, last blank axle 34 and following blank axle 30 are provided with blank slide block rocking arm 22, following blank slide block rocking arm 31 and adjustable blank rocking arm 23, last blank slide block rocking arm 22, following blank slide block rocking arm 31 can move up and down according to the motion of last blank axle 34, following blank axle 31, adjustable blank rocking arm 23 can connect with groove cam ring 26 and cam disc 24 respectively, plays respectively and cuts off stage clip and switch political loyalty the distance effect.Install on cam disc 24 when strengthening blank cam 25, the fit angle that can regulate adjustable blank rocking arm 23 can be guaranteed to place the blank slide block 231 of body front panel 12 and effective length of fit of take-up housing 232, makes the cut-out stage clip more convenient.The modulus of the first above-mentioned helical gear 8 and second helical gear 81, the 3rd helical gear 82 is identical, gear ratio is 1:1.This structure is when processing dextrorotation stage clip the time, last blank axle 34 connects with groove cam ring 26 by adjustable blank rocking arm 23, play the blank effect, following blank axle 30 can connect (the groove cam ring 26 under throwing off on the blank axle 30) by adjustable blank rocking arm 23 with cam disc 24, assembling pitch cam bit 251 on the cam disc 24, play and switch political loyalty apart from effect, this traitorous spacing mechanism is applicable to the stage clip that the rapidoprint diameter is big, external diameter is little, pitch is little.When the processing left-handed spring, assembly method is opposite, and function is identical, and the machine components of this cam X-axis mechanism 3 all are installed on body front panel 12 and the body rear board 13 by frame for movement.
Please again in conjunction with shown in Figure 4, described pitch Z axis mechanism 6 comprises pitch cam bit 37, push rod 35, pawls 36, push rod 35, pawling 36 is installed on the body front panel 12, push rod 35 is connected with pitch cam bit 37, pitch cam bit 37 connects with Z axle servomotor 11 by reduction box 38, Z axle servomotor 11 is installed on the body rear board 13, and push rod 35 36 links to each other with pawling.During work, Z axle servomotor 11 drives pitch cam bits 37 and promotes forward, drives push rod 35 and moves forward, and pawls 36 when moving forward, and forces spring to produce pitch.
Please again in conjunction with shown in Figure 5, X-axis servomotor 9 connects with camshaft 28 through pinion 83, first helical gear 8, and Z axle servomotor 11 plays through reduction box 38 and switches political loyalty apart from effect; Line sending Y-axis servomotor 10 connects with line sending axle 20 by reduction box.
Operation principle of the present invention is as follows: the stage clip steel wire is from alignment coil holder 1 inlet wire, by wire agency 2, rely on the skin-friction force line sending of Wire Wheel 21, change the external diameter and the shape of stage clip by the reducing cam bit 32 in the cam X-axis mechanism 3, regulate the pitch of pitch mechanism 6 change springs, by cam X-axis mechanism 3 compression spring shut-off mechanisms steel wire is cut off at last, this moment, a spring machined.The processing dimension of spring is by computer controller 5 operation controls.