CN105729878A - Control system and method of powder product hydraulic machine - Google Patents
Control system and method of powder product hydraulic machine Download PDFInfo
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- CN105729878A CN105729878A CN201610172625.5A CN201610172625A CN105729878A CN 105729878 A CN105729878 A CN 105729878A CN 201610172625 A CN201610172625 A CN 201610172625A CN 105729878 A CN105729878 A CN 105729878A
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- servomotor
- programmable logic
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
- B30B15/26—Programme control arrangements
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
- B30B15/30—Feeding material to presses
Abstract
The invention discloses a control system and method of a powder product hydraulic machine. The control system and method are characterized in that the control system comprises an RFID label arranged on a charging trolley, and an RFID read-write head electrically connected with a programmable logic controller; the programmable logic controller is internally provided with a database, a first control module, a second control module and a third control module, wherein the database is used for storing material information, the first control module is used for controlling a feed mechanism to act, the second control module is used for controlling a flattening mechanism to act, and the third control module is used for controlling a stacking mechanism to act; a mapping function of the weight difference value Y and the feed speed V is set in the first control module, and the weight difference value Y is the difference value between the actual weight data G1 of materials in the charging trolley and the reference weight data G2 of target feed; the second control module comprises a positioning module used for driving a vertical moving servo motor and a horizontal moving servo motor to act and a flattening module used for controlling a flattening manipulator to act; and the third control module comprises a position module used for driving a lead screw to arrive at a designated position and a stacking module used for controlling a push cylinder to act.
Description
Technical field
The present invention relates to hydraulic press and control technical field, particularly relate to control system and the control method of a kind of hydraulic press for powder products.
Background technology
Automobile brake sheet divides type to be had: for the brake block of disk brake, the brake shoe for drum brake and the lining for truck.The hydraulic press of pressed blocks lining is called hydraulic press for powder products, owing to brake block market demand is very big, thus be accordingly used in the market demand of the hydraulic press for powder products product of pressed blocks lining also very considerable.The compacting of brake block generally first passes through precompressed, hot repressing, and precompressed is generally the compacting of single mode monolithic, and hot pressing to be often multimode multi-disc suppress simultaneously.The automatization level of conventional powder product hydraulic press is not too high, and some step also rests on manually-operated aspect, such as: feeding, shakeout and piling；In the process of feeding, owing to material is not single material, therefore it is accomplished by operator and is in the action the material in each feeding cart is differentiated one by one, owing to thinking error, so actually in material process, often there is the accident of material mistake；Relatively larger with the workload of piling owing to shakeouing, therefore cause the waste of human resource and the waste of power consumption time；Simultaneously, in the process of feeding, traditional pushing precision is relatively low, often occurs the situation that feeding is too much or material is not enough to occur, so, control system and the control method of designing and developing a kind of hydraulic press for powder products that can simultaneously overcome drawbacks described above seem it is particularly important.
Summary of the invention
The technical problem to be solved in the present invention is: provide control system and the control method of a kind of hydraulic press for powder products.The feature that the control system of this hydraulic press for powder products and control method have work efficiency height, security performance is good, automaticity is high.
The present invention solves that the technical problem existed in known technology is adopted the technical scheme that:
The control system of a kind of hydraulic press for powder products, described hydraulic press for powder products includes automatic feed mechanism, feed mechanism, shakeouts mechanism, stacking mechanism and Programmable Logic Controller；Described automatic feed mechanism includes feeding cart, hoisting frame, lifting basket, lifting motor, elevator horizontal running mechanism；Described feed mechanism includes cage cylinder, cage, servomotor, reductor；Described mechanism of shakeouing includes vertically moving line slideway, moves horizontally line slideway, vertically moves servomotor, moves horizontally servomotor, shakeouts mechanical hand；Described stacking mechanism includes leading screw, vertical-lift servomotor, push piece cylinder, multilamellar storage part frame；
Described control system at least includes；It is arranged at the RFID tag on described feeding cart；The RFID read-write head electrically connected with described Programmable Logic Controller；Be provided with in described Programmable Logic Controller store material information data base, control feed mechanism action first control module, control shakeout mechanism action second control module, control stacking mechanism action the 3rd control module；Wherein:
Described first controls to be provided with in module the mapping function of weight difference Y and feeding speed V；Described weight difference Y is the actual weight data G of material in feeding cart1Referential weight G with target feeding2Difference between data；
Described second control module include driving vertically move servomotor and move horizontally that the locating module of servomotor action and controlling shakeouts manipulator behavior shakeout module；
Described 3rd controls module includes driving leading screw arrive the position module specifying position and control the piling module of push piece cylinder action.
Further: described mapping function is V=aY+C；Wherein: a is the constant less than 0, C is constant.
Further: described multilamellar storage part frame is eight Rotating fields, every layer includes three storage part spaces
The control method of a kind of hydraulic press for powder products, comprises the steps:
Step 101, material recognition；Concretely comprise the following steps: in the RFID tag of each feeding cart, write the data message of material in this feeding cart in advance；It is successively read each reading RFID tag followed by RFID read-write head, when the data message in RFID tag meets when the information requirements of feeding, the feeding cart that then this RFID tag is corresponding is promoted to by lifting basket in fabric or hopper corresponding to bed material, otherwise, feeding cart corresponding for this RFID tag is sent back to materials warehouse；
Step 102, feeding；Concretely comprise the following steps: first with weighing device material being weighed obtains actual weight data G1, and by actual weight data G1Being sent to Programmable Logic Controller, Programmable Logic Controller draws feeding speed V by mapping function；Subsequently, Programmable Logic Controller is operated according to this feeding speed V control servomotor；
Step 103, shakeout；Concretely comprise the following steps: Programmable Logic Controller vertically moves servomotor by control and moves horizontally servomotor and then drive is shakeout mechanical hand and arrived and shakeout position；Then Programmable Logic Controller according to inside pre-set shakeout curvilinear function and shakeout number of times realize shakeout action；
Step 104, Controlled by Programmable Controller hydraulic press for powder products start hydraulic pressure operation；
Step 105, piling；Concretely comprise the following steps: Programmable Logic Controller is by controlling vertical-lift servomotor and then driving workpiece to reach the piling position of multilamellar storage part frame；Controlled by Programmable Controller push piece cylinder starts and then realizes piling action subsequently.
The present invention has the advantage that and has the benefit effect that
Owing to present invention employs RFID tag technology, therefore, it is possible to ensure the identification of material variety well, it is prevented that the generation of production accident；Meanwhile, when some material contains insalubrious composition, this technology can also ensure the personal safety of staff；
Owing to present invention employs the first control module with above-mentioned technical characteristic, therefore, it is possible to ensure the precision of material feeding well；
Owing to present invention employs the second control module with above-mentioned technical characteristic, in shakeouing process, therefore dramatically saves on manpower, simultaneously according to shakeouing number of times and shakeouing curve, ensure the quality shakeout well；
Owing to present invention employs the 3rd control module with above-mentioned technical characteristic, it is achieved that the automatization of piling, improve work efficiency, save manpower.
Accompanying drawing illustrates:
Fig. 1 is the frame for movement front view of material loading part in the preferred embodiment of the present invention；
Fig. 2 is the frame for movement left view of material loading part in the preferred embodiment of the present invention；
Fig. 3 is the schematic block circuit diagram of material loading part in the preferred embodiment of the present invention；
Fig. 4 is the top view of feed mechanism in the preferred embodiment of the present invention；
Fig. 5 is the front view of feed mechanism in the preferred embodiment of the present invention；
Fig. 6 is the B-B profile of feed mechanism in the preferred embodiment of the present invention；
Fig. 7 is the schematic block circuit diagram of feed mechanism in the preferred embodiment of the present invention；
Fig. 8 is the frame for movement front view shakeouing mechanism in the preferred embodiment of the present invention；
Fig. 9 is the frame for movement left view shakeouing mechanism in the preferred embodiment of the present invention；
Figure 10 is the schematic block circuit diagram shakeouing mechanism in the preferred embodiment of the present invention；
Figure 11 is the frame for movement front view of stacking mechanism in the preferred embodiment of the present invention；
Figure 12 is the frame for movement left view of stacking mechanism in the preferred embodiment of the present invention；
Figure 13 is the local structural graph of stacking mechanism in the preferred embodiment of the present invention；
Figure 14 is the schematic block circuit diagram of stacking mechanism in the preferred embodiment of the present invention.
Wherein: 1, feeding cart；2, hoisting frame；3, lifting basket；4, lifting motor；5, elevator horizontal running mechanism；6, RFID tag；7, RFID read-write head；8, cage cylinder；9, cage；10, servomotor；11, reductor；12, line slideway is vertically moved；13, line slideway is moved horizontally；14, servomotor is vertically moved；15, servomotor is moved horizontally；16, mechanical hand is shakeout；17, leading screw；18, vertical-lift servomotor；19, push piece cylinder；20, multilamellar storage part frame；21, conveyer belt.
Detailed description of the invention
For the summary of the invention of the present invention, feature and effect can be further appreciated that, hereby enumerate following example, and it be as follows to coordinate accompanying drawing to describe in detail:
Referring to Fig. 1 to Fig. 4, the control system of a kind of hydraulic press for powder products, described hydraulic press for powder products includes automatic feed mechanism, feed mechanism, shakeouts mechanism, stacking mechanism and Programmable Logic Controller；
Referring to Fig. 1 and Fig. 2: described automatic feed mechanism includes feeding cart 1, hoisting frame 2, lifting basket 3, lifting motor 4, elevator horizontal running mechanism 5, elevator horizontal running mechanism 5 includes positioning cylinder and walking in a horizontal state frequency conversion motor；RFID tag 6 on described feeding cart 1；Described Programmable Logic Controller is electrically connected with RFID read-write 7；The data base storing material information it is provided with in described Programmable Logic Controller；Refer to Fig. 3, the work process of automatic feed mechanism is: when there being feeding cart 1 to shift hoisting frame 2 place onto, RFID read-write 7 reads the data message in RFID tag 6, data message is sent in RFID interface module by RFID read-write 7, RFID interface module receives data message and data message is issued Programmable Logic Controller, namely in PLC, PLC receives data message, judge fabric or bed material, and then control hoisting mechanism action, feeding cart is risen to by lifting basket in the hopper corresponding to fabric or bed material.Concrete hoisting mechanism action is as follows: first PLC controls to promote converter, promote converter output and control lifting motor, lifting basket (feeding cart is attached in lifting basket) is lifted up by lifting motor, it is promoted to lifting limit superior place, position, now it is responsible for the positioning cylinder jack-up of horizontal location, the Frequency Converter Control frequency conversion motor of walking in a horizontal state moves horizontally, by the RFID data information obtained before, PLC learns that material should be delivered to fabric hopper or bed material hopper by the motor of walking in a horizontal state, after lifting basket is delivered to the station of this correspondence by the frequency conversion motor moved horizontally, lifting motor drops to hopper position with lifting basket, again material is put to hopper, complete feeding, drive in the wrong direction back initial position subsequently, complete an overall do action；
Refer to Fig. 4, Fig. 5 and Fig. 6: described feed mechanism includes cage cylinder 8, cage 9, servomotor 10, reductor 11；The the first control module controlling feed mechanism action it is provided with in described Programmable Logic Controller；In the preferred embodiment, in order to ensure the precision of feeding, described first controls to be provided with in module the mapping function of weight difference Y and feeding speed V；Described weight difference Y is the actual weight data G of material in feeding cart1Referential weight G with target feeding2Difference between data；Being subtraction function between feeding speed and weight difference Y, as preferably, above-mentioned subtraction function generally takes off row two example: one, feeding speed is divided into several discrete points, weight difference Y is also classified into some sections, every section of corresponding said one discrete point；Two, described mapping function is V=aY+C；Wherein: a is the constant less than 0, C is constant.Refer to Fig. 7: relevant parameter is set in touch screen and is sent to PLC, PLC sends instruction for controlling the operation of servo-driver, servo controller is for controlling the operation of servomotor, servomotor is for driving the operation of cage, eventually through the operation controlling cage, being delivered to by powder material in weighing device, current weight is fed back to PLC by weighing device, PLC reads this value of weighing to control the operation of servo-driver, and then realizes accurate feeding.Relative parameters setting and be shown in touch screen to carry out.
Refer to Fig. 8 and Fig. 9, described in shakeout mechanism and include vertically moving line slideway 12, move horizontally line slideway 13, vertically move servomotor 14, move horizontally servomotor 15, shakeout mechanical hand 16；The the second control module controlling to shakeout mechanism action it is provided with in described Programmable Logic Controller；Described second control module include driving vertically move servomotor and move horizontally that the locating module of servomotor action and controlling shakeouts manipulator behavior shakeout module；Refer to Figure 10, touch screen arranges relevant parameter and is sent to PLC, PLC sends instruction for controlling to move horizontally the operation of servo-driver, move horizontally servo controller for controlling to move horizontally the operation of servomotor, and then control the operation of horizontal linear guide rail, PLC sends instruction for controlling to vertically move the operation of servo-driver simultaneously, vertically move servo-driver for controlling to vertically move the operation of servomotor, and then control the operation of vertical line guide rail, corresponding horizontally or vertically servo-driver reads the positional information of corresponding horizontally or vertically encoder for servo motor, feed back to PLC, sent instruction by PLC and control the operation of corresponding servo controller.PLC can arrange different horizontal levels and upright position point, arranges the speed of needs according to different position sections, so control to shakeout machinery on hand under, horizontal movement, and move horizontally up and down and can carry out simultaneously, reach desirably to shakeout effect..
Refer to Figure 11, Figure 12 and Figure 13: described stacking mechanism includes leading screw 17, vertical-lift servomotor 18, push piece cylinder 19, multilamellar storage part frame 20；The 3rd control module controlling stacking mechanism action it is provided with in described Programmable Logic Controller；Described 3rd controls module includes driving leading screw arrive the position module specifying position and control the piling module of push piece cylinder action.Refer to Figure 14, touch screen is used for arranging relevant parameter and being sent to PLC, after preformer pressing component, conveyer belt 21 is with workpiece to palletizing apparatus place (in corresponding storage part frame 1-3 row a position), PLC sends instruction for controlling the operation of vertical-lift servo-driver subsequently, vertical-lift servo controller is for controlling the operation of vertical-lift servomotor, and then control the operation of leading screw, leading screw arrives every layer of position with workpiece, positional information is fed back to PLC simultaneously, PLC reads corresponding information, control push piece cylinder and workpiece is shifted onto on multilamellar storage part frame, after push piece puts in place, push piece cylinder retreats, leading screw is lowered back to home position, wait that next time, conveyer belt sent workpiece in-position；In the preferred embodiment, described multilamellar storage part frame 20 is eight Rotating fields, and every layer includes three storage part spaces.
The control method of a kind of hydraulic press for powder products, comprises the steps:
Step 101, material recognition；Concretely comprise the following steps: in the RFID tag of each feeding cart, write the data message of material in this feeding cart in advance；It is successively read each reading RFID tag followed by RFID read-write head, when the data message in RFID tag meets when the information requirements of feeding, the feeding cart that then this RFID tag is corresponding is promoted to by lifting basket in fabric or hopper corresponding to bed material, otherwise, feeding cart corresponding for this RFID tag is sent back to materials warehouse；
Step 102, feeding；Concretely comprise the following steps: first with weighing device material being weighed obtains actual weight data G1, and by actual weight data G1Being sent to Programmable Logic Controller, Programmable Logic Controller draws feeding speed V by mapping function；Subsequently, Programmable Logic Controller is operated according to this feeding speed V control servomotor；
Step 103, shakeout；Concretely comprise the following steps: Programmable Logic Controller vertically moves servomotor by control and moves horizontally servomotor and then drive is shakeout mechanical hand and arrived and shakeout position；Then Programmable Logic Controller according to inside pre-set shakeout curvilinear function and shakeout number of times realize shakeout action；
Step 104, Controlled by Programmable Controller hydraulic press for powder products start hydraulic pressure operation；
Step 105, piling；Concretely comprise the following steps: Programmable Logic Controller is by controlling vertical-lift servomotor and then driving workpiece to reach the piling position of multilamellar storage part frame；Controlled by Programmable Controller push piece cylinder starts and then realizes piling action subsequently.
Above embodiments of the invention are described in detail, but described content has been only presently preferred embodiments of the present invention, it is impossible to be considered the practical range for limiting the present invention.All equalizations made according to the present patent application scope change and improvement etc., all should still belong within the patent covering scope of the present invention.
Claims (4)
1. a control system for hydraulic press for powder products, described hydraulic press for powder products includes automatic feed mechanism, feed mechanism, shakeouts mechanism, stacking mechanism and Programmable Logic Controller；Described automatic feed mechanism includes feeding cart, hoisting frame, lifting basket, lifting motor, elevator horizontal running mechanism；Described feed mechanism includes cage cylinder, cage, servomotor, reductor；Described mechanism of shakeouing includes vertically moving line slideway, moves horizontally line slideway, vertically moves servomotor, moves horizontally servomotor, shakeouts mechanical hand；Described stacking mechanism includes leading screw, vertical-lift servomotor, push piece cylinder, multilamellar storage part frame；
It is characterized in that: described control system at least includes；It is arranged at the RFID tag on described feeding cart；The RFID read-write head electrically connected with described Programmable Logic Controller；Be provided with in described Programmable Logic Controller store material information data base, control feed mechanism action first control module, control shakeout mechanism action second control module, control stacking mechanism action the 3rd control module；Wherein:
Described first controls to be provided with in module the mapping function of weight difference Y and feeding speed V；Described weight difference Y is the actual weight data G of material in feeding cart1Referential weight G with target feeding2Difference between data；
Described second control module include driving vertically move servomotor and move horizontally that the locating module of servomotor action and controlling shakeouts manipulator behavior shakeout module；
Described 3rd controls module includes driving leading screw arrive the position module specifying position and control the piling module of push piece cylinder action.
2. the control system of hydraulic press for powder products according to claim 1, it is characterised in that: described mapping function is V=aY+C；Wherein: a is the constant less than 0, C is constant.
3. the control system of hydraulic press for powder products according to claim 1 and 2, it is characterised in that: described multilamellar storage part frame is eight Rotating fields, and every layer includes three storage part spaces.
4. the control method based on hydraulic press for powder products described in claim 3, it is characterised in that: comprise the steps:
Step 101, material recognition；Concretely comprise the following steps: in the RFID tag of each feeding cart, write the data message of material in this feeding cart in advance；It is successively read each reading RFID tag followed by RFID read-write head, when the data message in RFID tag meets when the information requirements of feeding, the feeding cart that then this RFID tag is corresponding is promoted to by lifting basket in fabric or hopper corresponding to bed material, otherwise, feeding cart corresponding for this RFID tag is sent back to materials warehouse；
Step 102, feeding；Concretely comprise the following steps: first with weighing device material being weighed obtains actual weight data G1, and by actual weight data G1Being sent to Programmable Logic Controller, Programmable Logic Controller draws feeding speed V by mapping function；Subsequently, Programmable Logic Controller is operated according to this feeding speed V control servomotor；
Step 103, shakeout；Concretely comprise the following steps: Programmable Logic Controller vertically moves servomotor by control and moves horizontally servomotor and then drive is shakeout mechanical hand and arrived and shakeout position；Then Programmable Logic Controller according to inside pre-set shakeout curvilinear function and shakeout number of times realize shakeout action；
Step 104, Controlled by Programmable Controller hydraulic press for powder products start hydraulic pressure operation；
Step 105, piling；Concretely comprise the following steps: Programmable Logic Controller is by controlling vertical-lift servomotor and then driving workpiece to reach the piling position of multilamellar storage part frame；Controlled by Programmable Controller push piece cylinder starts and then realizes piling action subsequently.
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