CN107824702B

CN107824702B - Automatic feeding clamp

Info

Publication number: CN107824702B
Application number: CN201711281429.2A
Authority: CN
Inventors: 陈奎; 徐海峰; 王策; 支才友; 李敬仁; 王小强
Original assignee: Suzhou Spark Automation Equipment Co ltd
Current assignee: Shenzhen Tengdaxin Hardware Products Co.,Ltd.
Priority date: 2017-12-07
Filing date: 2017-12-07
Publication date: 2023-06-09
Anticipated expiration: 2037-12-07
Also published as: CN107824702A

Abstract

The invention discloses an automatic feeding clamp which comprises a bottom plate, a base plate, a sliding block, a guide rail, a servo motor, a gear, a rack, a sliding plate, a first adjusting seat, an adjusting screw, a second adjusting seat, a micrometer knob and a clamp mechanism.

Description

Automatic feeding clamp

Technical Field

The invention relates to a mechanical device, in particular to an automatic feeding clamp.

Background

Stamping dies are a special piece of process equipment that processes materials (metal or non-metal) into parts (or semi-finished products) in cold stamping processes. In the engine system, a large number of parts are punched and formed by using a stamping die, for example, various elastic sheets in a urea pump have the precision requirement of 0.2mm, and because a locating pin and a locating hole are in clearance fit, a certain clearance exists, unavoidable errors are generated, the machining requirement cannot be met, moreover, the elastic sheets are required to be directly punched and formed on a semi-finished product of the urea pump, and the traditional clamp is difficult to meet the automatic feeding requirement. In view of the above drawbacks, it is necessary to design an automatic feeding jig.

Disclosure of Invention

The invention aims to provide an automatic feeding clamp which can automatically feed a workpiece, can accurately adjust the position of the workpiece, can effectively and rapidly position and clamp the workpiece through a two-point positioning structure and a triangular positioning structure, and is rapid in die detachment.

In order to solve the technical problems, the technical scheme of the invention is as follows: the utility model provides an automatic feed anchor clamps, includes bottom plate, backing plate, slider, guide rail, servo motor, gear, rack, sliding plate, first regulating seat, adjusting screw, second regulating seat, micrometer knob, fixture mechanism, the backing plate be located the bottom plate top, backing plate and bottom plate pass through the bolt and link to each other, slider quantity be 4, follow the backing plate bilateral symmetry arranges, the guide rail run through the slider, the guide rail can slide along the slider front and back, servo motor be located the bottom plate top, servo motor and bottom plate pass through the bolt and link to each other, the gear be located servo motor one side, the gear link to each other with the servo motor screw thread, the rack be located the gear lower extreme, rack and gear engagement link to each other, the sliding plate be located the guide rail top and be located the rack top, the sliding plate pass through the bolt and link to each other with the rack, first regulating seat quantity be 2, follow the sliding plate bilateral symmetry arranges, the adjusting screw run through first regulating seat, regulating screw link to each other with the first regulating seat, the second regulating seat is located the micrometer, the right side of screw thread is arranged for the second regulating seat, the fixture is located the screw, the right side of the knob is located the screw, the knob is located to link to each other.

The invention is further improved as follows:

furthermore, the bottom plate is also provided with a groove type photoelectric switch, and the groove type photoelectric switch is connected with the bottom plate through bolts.

Furthermore, the cushion plate is also provided with 2 buffers, which are symmetrically arranged along the left and right sides of the cushion plate.

Further, the sliding plate is also provided with a contact, the contact is positioned at the bottom of the sliding plate, and the contact is riveted with the sliding plate.

Furthermore, the sliding plate is also provided with a dovetail groove, and the dovetail groove does not penetrate through the sliding plate main body.

Further, the fixture mechanism also comprises an adjusting plate, an air cylinder, a connecting plate, a top frame, an elastic guide mechanism, a transverse guide rod, a first positioning pin, a first photoelectric sensor, a first backup plate, a positioning seat, a second photoelectric sensor, a second backup plate, a second positioning pin and a third backup plate, wherein the number of the air cylinders is 4, the air cylinders are symmetrically arranged left and right along the adjusting plate, the connecting plate is positioned at the top of the air cylinder, the connecting plate is connected with the air cylinders through bolts, the top frame is positioned at the bottom of the connecting plate, the top frame is connected with the connecting plate through bolts, the number of the elastic guide mechanism is 4, the transverse guide rod penetrates through the top frame and stretches into a bottom plate, the transverse guide rod is connected with the top frame through threads, the first positioning pin is positioned at the top of the top frame and is outside the first positioning pin, the first photoelectric sensor is connected with the top of the top frame through bolts, the first photoelectric sensor is positioned at the top of the top seat and is positioned at one side of the top frame through bolts, the first positioning pin is positioned at the top seat and is positioned at the top of the top seat through the second positioning pin, the top seat is positioned at the top of the top seat through the first positioning pin, and the top seat is positioned at the top of the top seat through the top frame and the top positioning pin is positioned at one side of the top seat, the third backup plate is connected with the top frame through bolts.

Furthermore, the regulating plate is also provided with a dovetail slide block, the dovetail slide block is positioned at the bottom of the regulating plate and stretches into the dovetail groove, and the dovetail slide block is integrally connected with the regulating plate.

Further, elasticity guiding mechanism still include uide bushing, guide pin, spring, the uide bushing stretch into in the regulating plate, uide bushing and regulating plate screw thread link to each other, the guide pin be located uide bushing top and run through the top frame, the guide pin link to each other with the uide bushing screw thread, the spring be located the guide pin outside and be located the top frame bottom, spring and top frame welding link to each other.

Compared with the prior art, this automatic feeding anchor clamps, during operation, use anchor clamps mechanism to fix a position the clamp with the work piece, afterwards, unscrew the bolt of fixed usefulness of sliding plate, manually unscrew adjusting screw, because dovetail and dovetail slider constitute the sliding pair, when manual regulation micrometer knob, the adjusting plate can slide along the sliding plate, adjust micrometer knob and can carry out accurate position adjustment with the work piece of installing on anchor clamps mechanism after setting for the reading, afterwards, servo motor drives the gear rotation, because gear and rack meshing, consequently, when servo motor rotates the settlement angle, the rack drives the sliding plate removal settlement distance that links firmly with it, thereby accomplish the automatic feed of work piece. The specific working process of the clamp mechanism is as follows: the first locating pin, the two-point location structure is constituteed to the second locating pin, the positioning seat is used for locking the work piece, can trigger first photoelectric sensor after first locating pin inserts the work piece, after work piece and positioning seat are fixed, the second photoelectric sensor triggers, thereby detect work piece location, press from both sides tight condition, simultaneously, triangle location structure is constituteed to first backup plate, second backup plate, third backup plate, can effectively carry out quick location clamp to the work piece through two-point location structure and triangle location structure, simultaneously, during the drawing of patterns, the cylinder promotes the roof frame and reciprocates, spring reset in the elastic guide mechanism is with the roof frame auxiliary jack-up, thereby drive the work piece and upwards move and break away from with the mould, horizontal guide arm is used for keeping the stability of roof frame upward movement. The device simple structure can carry out automatic feeding to the work piece, simultaneously, can carry out accurate position adjustment to the work piece, can effectively carry out quick location clamping to the work piece through two-point location structure and triangle location structure moreover, and the mould breaks away from fast.

Drawings

FIG. 1 shows a three-dimensional view of the present invention

FIG. 2 shows a three-dimensional view of a sliding plate according to the invention

FIG. 3 is a three-dimensional view of the clamp mechanism of the present invention

FIG. 4 is a three-dimensional view showing the elastic guide mechanism of the present invention

In the figure: the device comprises a bottom plate 1, a base plate 2, a sliding block 3, a guide rail 4, a servo motor 5, a gear 6, a rack 7, a sliding plate 8, a first adjusting seat 9, an adjusting screw 10, a second adjusting seat 11, a micrometer knob 12, a clamp mechanism 13, a groove type photoelectric switch 101, a buffer 201, a contact 801, a dovetail groove 802, an adjusting plate 1301, a cylinder 1302, a connecting plate 1303, a top frame 1304, an elastic guide mechanism 1305, a transverse guide 1306, a first positioning pin 1307, a first photoelectric sensor 1308, a first backing plate 1309, a positioning seat 1310, a second photoelectric sensor 1311, a second backing plate 1312, a second positioning pin 1313, a third backing plate 1314, a dovetail sliding block 1315, a guide sleeve 1316, a guide pin 1317 and a spring 1318.

Detailed Description

As shown in fig. 1, fig. 2, fig. 3 and fig. 4, an automatic feeding clamp comprises a bottom plate 1, a base plate 2, a sliding block 3, a guide rail 4, a servo motor 5, a gear 6, a rack 7, a sliding plate 8, a first adjusting seat 9, an adjusting screw 10, a second adjusting seat 11, a micrometer knob 12 and a clamp mechanism 13, wherein the base plate 2 is positioned at the top of the bottom plate 1, the base plate 2 is connected with the bottom plate 1 through bolts, the sliding block 3 is 4 pieces, the base plate 2 is symmetrically arranged left and right, the guide rail 4 penetrates through the sliding block 3, the guide rail 4 can slide along the sliding block 3, the servo motor 5 is positioned at the top of the bottom plate 1, the servo motor 5 is connected with the bottom plate 1 through bolts, the gear 6 is positioned at one side of the servo motor 5, the gear 6 is in threaded connection with the servo motor 5, the rack 7 is positioned at the lower end of the gear 6, the sliding plate 8 is positioned at the top of the guide rail 4 and is positioned at the top of the 7, the sliding plate 8 is symmetrically arranged along the sliding plate 8, the sliding plate 8 is also connected with the second adjusting seat 11 through the screw 9, the adjusting seat is symmetrically arranged along the screw 9, the screw mechanism is also arranged at the top of the bottom plate 11 is symmetrically arranged right and the seat 11 is in the adjusting seat 1 through the screw seat 9, the screw is in the screw seat is in the threaded connection with the screw seat 11, the groove-type photoelectric switch 101 is connected with the bottom plate 1 through bolts, the base plate 2 is further provided with a buffer 201, the number of the buffer 201 is 2, the buffer is symmetrically arranged left and right along the base plate 2, the sliding plate 8 is further provided with a contact 801, the contact 801 is positioned at the bottom of the sliding plate 8, the contact 801 is riveted with the sliding plate 8, the sliding plate 8 is further provided with a dovetail groove 802, the dovetail groove 802 does not penetrate through the main body of the sliding plate 8, the clamp mechanism 13 further comprises an adjusting plate 1301, a cylinder 13022, a connecting plate 1303, a top frame 1304, an elastic guide mechanism 1305, a transverse guide rod 1306, a first positioning pin 1307, a first photoelectric sensor 1308, a first backup plate 1309, a positioning seat 1310, a second photoelectric sensor 1311, a second backup plate 1312, a second positioning pin 1313 and a third backup plate 1314, the number of the cylinders 1302 is 4, the cylinders are symmetrically arranged left and right along the adjusting plate 1301, the connecting plate 1303 is positioned at the top of the cylinders 1302, the connecting plate 1302 is connected with the top of the connecting plate through bolts 802, the top frame 1304 is connected with the top frame 1304 through the connecting plate through the elastic guide mechanism, the top frame 1304 is positioned at the first positioning pin 1307, the top frame 1307 is positioned at the front side of the top frame 1307 through the first positioning plate 1307, the top frame is positioned at the first positioning pin 1307 through the end of the connecting plate 1307, the top positioning pin 1304 is positioned at the top frame through the first positioning pin 1307, the top positioning pin 1304 is positioned at the front end of the top positioning hole through the top positioning pin 1304 is positioned at the front positioning hole is positioned at the top hole is positioned at the front hole, the first backup plate 1309 is connected with the top frame 1304 by bolts, the positioning seat 1310 is positioned at the front end of the top frame 1304, the positioning seat 1310 is connected with the top frame 1304 by riveting, the second photoelectric sensor 1311 is positioned at the top of the top frame 1304 and positioned at the outer side of the positioning seat 1310, the second photoelectric sensor 1311 is connected with the positioning seat 1310 by bolts, the second backup plate 1312 is positioned at the top of the top frame 1304 and positioned at one side of the positioning seat 1310, the second backup plate 1312 is connected with the top frame 1304 by bolts, the second positioning pin 1313 is positioned at the left side of the top frame 1304, the second positioning pin 1313 is connected with the top frame 1304 by threads, the third backup plate 1314 is positioned at the top of the top frame 1304 and positioned at one side of the second positioning pin 1313, the third backup plate 1314 is connected with the top frame 1304 by bolts, the adjusting plate 1301 is also provided with a dovetail slide block 1315, the dovetail slide block 1315 is positioned at the bottom of the adjusting plate 1301 and stretches into a groove, the dovetail slide block 1301 is connected with the adjusting plate 1316 by bolts, the elastic mechanism is further connected with the top frame 1316 by bolts, the elastic sleeve 1316 is positioned at the outer side of the top frame 1316, the top frame 1318 is connected with the top frame 1316 by threads, the elastic sleeve 1316 is welded with the top frame 1316, the elastic sleeve 1316 is screwed with the top frame 1316, and the elastic sleeve is screwed with the top frame 1316,

the automatic feeding clamp is characterized in that a clamp mechanism 13 is used for positioning and clamping a workpiece during operation, then a bolt for fixing a sliding plate 8 is unscrewed, an adjusting screw 10 is unscrewed manually, a dovetail groove 802 and a dovetail sliding block 1315 form a sliding pair, when a micrometer knob 12 is adjusted manually, the adjusting plate 1301 can slide along the sliding plate 8, the workpiece mounted on the clamp mechanism 13 can be adjusted in an accurate position after the micrometer knob 12 is adjusted to a set reading, then a servo motor 5 drives a gear 6 to rotate, and the gear 6 is meshed with a rack 7, so that the rack 7 drives the sliding plate 8 fixedly connected with the rack to move for a set distance when the servo motor 5 rotates for a set angle, and automatic feeding of the workpiece is completed. The specific working process of the clamp mechanism 13 is as follows: the first positioning pin 1307 and the second positioning pin 1313 form a two-point positioning structure, the positioning seat 1310 is used for locking a workpiece, the first photoelectric sensor 1308 can be triggered after the first positioning pin 1307 is inserted into the workpiece, the second photoelectric sensor 1311 is triggered after the workpiece is fixed with the positioning seat 1310, so that the workpiece positioning and clamping conditions are detected, meanwhile, the first backup plate 1309, the second backup plate 1312 and the third backup plate 1314 form a triangular positioning structure, the workpiece can be effectively and rapidly positioned and clamped through the two-point positioning structure and the triangular positioning structure, meanwhile, during demolding, the cylinder 1302 pushes the top frame 1305 to move upwards, the spring 1318 in the elastic guiding mechanism resets to assist the top frame 1304 to jack up, the workpiece is driven to move upwards and separate from a mold, and the transverse guide rod 1306 is used for keeping the stability of the upward movement of the top frame 1304. The device simple structure can carry out automatic feeding to the work piece, simultaneously, can carry out accurate position adjustment to the work piece, can effectively carry out quick location clamping to the work piece through two-point location structure and triangle location structure moreover, and the mould breaks away from fast.

The present invention is not limited to the above-described specific embodiments, and various modifications may be made by those skilled in the art without inventive effort from the above-described concepts, and are within the scope of the present invention.

Claims

1. The utility model provides an automatic feed anchor clamps, its characterized in that includes bottom plate, backing plate, slider, guide rail, servo motor, gear, rack, sliding plate, first regulating seat, adjusting screw, second regulating seat, micrometer knob, fixture mechanism, the backing plate be located the bottom plate top, backing plate and bottom plate pass through the bolt and link to each other, slider quantity be 4, along the left and right symmetry of backing plate arranges, the guide rail run through the slider, the guide rail can slide along the slider fore-and-aft, servo motor be located the bottom plate top, servo motor and bottom plate pass through the bolt and link to each other, the gear be located servo motor one side, the gear link to each other with servo motor screw thread, the rack be located the gear lower extreme, rack and gear engagement link to each other, the sliding plate be located the guide rail top and be located the rack top, the sliding plate pass through the bolt and link to each other with the guide rail, first regulating seat quantity be 2, along the sliding plate bilateral symmetry arranges, adjusting screw run through first regulating seat, the gear and first regulating seat can slide along the second micrometer knob, the second regulating seat is located the screw thread of knob, the right side of the fixture is located the knob, the knob is located the screw that the second micrometer knob is located to link to each other;

the bottom plate is also provided with a groove type photoelectric switch, and the groove type photoelectric switch is connected with the bottom plate through bolts;

the fixture mechanism also comprises an adjusting plate, air cylinders, a connecting plate, a top frame, an elastic guide mechanism, transverse guide rods, first positioning pins, first photoelectric sensors, first backup plates, positioning seats, second photoelectric sensors, second backup plates, second positioning pins and third backup plates, wherein the number of the air cylinders is 4, the air cylinders are symmetrically arranged left and right along the adjusting plate, the connecting plate is positioned at the top of the air cylinders, the connecting plate is connected with the air cylinders through bolts, the top frame is positioned at the bottom of the connecting plate, the top frame is connected with the top plate through bolts, the number of the elastic guide mechanism is 4, the elastic guide mechanisms are symmetrically arranged front and back along the adjusting plate, the transverse guide rods penetrate through the top frame and extend into the bottom plate, the transverse guide rods are connected with the top frame through threads, the first positioning pins are positioned at the rear end of the top frame, the first positioning pins are connected with the top frame through threads, the first photoelectric sensor is positioned at the top of the top frame and is positioned at the outer side of a first positioning pin, the first photoelectric sensor is connected with the top frame through bolts, the first backup plate is positioned at the top of the top frame and is positioned at one side of the first positioning pin, the first backup plate is connected with the top frame through bolts, the positioning seat is positioned at the front end of the top frame, the positioning seat is riveted and connected with the top frame, the second photoelectric sensor is positioned at the top of the top frame and is positioned at the outer side of the positioning seat, the second photoelectric sensor is connected with the positioning seat through bolts, the second backup plate is positioned at the top of the top frame and is positioned at one side of the positioning seat, the second backup plate is connected with the top frame through bolts, the second positioning pin is positioned at the left side of the top frame and is connected with the top frame through threads, the third backup plate is positioned at the top of the top frame and is positioned at one side of the second positioning pin, the third backup plate is connected with the top frame through bolts.

2. The automatic feeding jig according to claim 1, wherein the pad is further provided with 2 buffers, and the buffers are arranged symmetrically left and right along the pad.

3. The automatic feed jig of claim 1 wherein the slide plate is further provided with a contact, the contact being located at the bottom of the slide plate, the contact being in riveted connection with the slide plate.

4. The automatic feed jig of claim 1 wherein the slide plate is further provided with a dovetail groove, the dovetail groove not extending through the slide plate body.

5. The automatic feeding clamp of claim 1 wherein said adjusting plate is further provided with a dovetail slide, said dovetail slide being positioned at the bottom of the adjusting plate and extending into the dovetail slot, said dovetail slide being integrally connected to the adjusting plate.

6. The automatic feeding clamp of claim 1 wherein the elastic guide mechanism further comprises a guide sleeve, a guide pin and a spring, the guide sleeve extends into the adjusting plate, the guide sleeve is connected with the adjusting plate through threads, the guide pin is positioned at the top of the guide sleeve and penetrates through the top frame, the guide pin is connected with the guide sleeve through threads, the spring is positioned at the outer side of the guide pin and at the bottom of the top frame, and the spring is connected with the top frame through welding.