CN113857873A

CN113857873A - Plate stamping equipment suitable for multi-piece type wheel hub

Info

Publication number: CN113857873A
Application number: CN202111149970.4A
Authority: CN
Inventors: 颜胜元; 熊军明; 周斌; 施康平; 吴锦宇; 徐晓初; 田泽艳
Original assignee: Zhejiang Bodong Industry And Trade Co ltd
Current assignee: Zhejiang Bodong Industry And Trade Co ltd
Priority date: 2021-09-29
Filing date: 2021-09-29
Publication date: 2021-12-31

Abstract

The invention discloses plate stamping equipment suitable for a multi-piece hub, which comprises a rack, a feeding mechanism, a stamping main body, a rotary table and a control device, wherein the feeding mechanism is arranged on the rack and realizes the free movement on a platform, the stamping main body comprises a stamping rod and a driving part for driving the stamping rod to operate and is arranged in a matching way with the feeding mechanism, the rotary table is rotatably arranged on the rack and is arranged in a matching way with the stamping main body, a plurality of stamping dies are arranged on the rotary table, and the rotary table rotates to drive a stamping grinding tool to rotate. The invention provides a punching tool which can automatically lift a plate after punching is finished and polish a punched hole, so that a cutting edge formed by punching disappears, a worker is safer when carrying the punching tool, the plate is automatically polished after punching is finished, a manual polishing process is omitted, the labor cost is reduced, and the automation degree of a system is deepened.

Description

Plate stamping equipment suitable for multi-piece type wheel hub

Technical Field

The invention relates to the technical field of numerical control punches, in particular to plate stamping equipment suitable for a multi-piece type hub.

Background

The numerical control turret punch press is one of the main categories of the numerical control punch press, integrates machine, electricity, liquid and gas, and is pressure processing equipment for punching and shallow drawing on a plate. The numerical control turret punch press (NCT) sends the plate to the position to be processed by a servo feeding mechanism through a processing program programmed by programming software (or manually), meanwhile, a corresponding die in a die library is selected by a die selection system, and a mechanical power system performs punching according to the program to automatically complete the processing of the workpiece.

In the processing of multi-disc wheel hub, need carry out the punching press to panel, however after the punching press is accomplished, the lower bottom surface of the position of punching a hole of panel prolongs the limit and can form sharp cutting edge, this is because the mechanism of punching press produces, can't avoid in the process of punching a hole, often can cut workman's hand in the transport, causes bodily injury, and this kind of cutting edge often needs the manual work to go to polish it and level, has derived a process so much, and has increased the hand labor cost.

Disclosure of Invention

The invention provides plate stamping equipment suitable for a multi-piece hub, aiming at the defects in the prior art.

In order to solve the technical problems, the invention is solved by the following technical scheme: the plate stamping equipment suitable for the multi-piece type wheel hub comprises a rack, a feeding mechanism, a stamping main body, a rotary disc and a control device, wherein the feeding mechanism is arranged on the rack, the feeding mechanism realizes that the feeding mechanism can freely move on a platform under control, the stamping main body comprises a stamping rod and a driving part for driving the stamping rod to rotate, the driving part is matched with the feeding mechanism, the rotary disc is rotatably arranged on the rack and matched with the stamping main body, a plurality of stamping dies are arranged on the rotary disc, the rotary disc rotates to drive a stamping grinding tool to rotate and runs below the stamping rod, the control device is used for controlling the stamping main body and the feeding mechanism to complete stamping operation, the stamping dies internally comprise a punch, a female die, a polishing device, a jacking device, an energy storage device and a surrounding device, the punch is matched with the female die and is arranged for punching a plate, and the polishing device is slidably arranged on the surrounding device, and be located the die below for the sharp limit in plane hole under the punching press hole is polished, the encircleing device provides the direction of circular motion for grinding device, energy storage device sets up with grinding device cooperation, gives its energy storage when punching a hole at every turn, and after punching a hole and accomplishing, jacking device will punch a hole the board jack-up back, energy storage device provides kinetic energy for encircleing the device, makes it drive grinding device and rotate, and drives grinding device body rotation, makes it polish the punching press hole.

The punching device has the beneficial effects that after the punching is completed, the grinding device can automatically grind the punched hole.

In the above scheme, preferably, the polishing device includes a sliding polishing shaft, a first elastic element, a first sliding sleeve and a sliding plate, the sliding polishing shaft is slidably disposed in the sliding sleeve, the sliding polishing shaft is provided with a first limiting check ring, the first elastic element is located between the first sliding sleeve and the first limiting check ring, and the sliding sleeve is slidably disposed on the sliding plate.

The sliding grinding shaft has the advantages that the sliding grinding shaft can slide downwards when being pressed downwards, and can automatically return when the pressing force disappears.

In the foregoing scheme, preferably, the encircling device includes an encircling ring, an encircling shaft, and an elastic ring belt, the encircling shaft is rotatably disposed on the sliding plate, the elastic ring belt is disposed between the encircling shaft and the first sliding sleeve, and when one of the encircling shaft and the first sliding sleeve rotates, the elastic ring belt can drive the other of the encircling shaft and the first sliding sleeve to rotate, the encircling ring includes an inner ring gear and an annular slide way, the sliding plate is provided with a sliding block, the sliding plate is slidably disposed on the annular slide way through the sliding block, the annular slide way and the sliding block are at least provided with two pairs, the encircling shaft includes a first flat gear, and the first flat gear is engaged with the inner ring gear.

The sliding plate has the advantages that the sliding plate can slide around the circle center on the encircling ring, and when the sliding plate slides, the first flat gear on the encircling shaft and the inner ring gear are meshed to rotate to provide rotating force for the encircling shaft.

In the above scheme, preferably, a locking mechanism is further slidably disposed on the sliding plate, the locking mechanism includes a sliding sloping block and a first electric push rod, the sliding sloping block is slidably disposed on the sliding plate, the first electric push rod is disposed on the sliding plate and can drive the sliding sloping block to slide back and forth on the sliding plate, a conical boss is disposed at the bottom of the sliding polishing shaft, the sliding sloping block and the conical boss are cooperatively disposed, the first electric push rod pushes the sliding sloping block to slide forward and generate a top contact with the conical boss to push the first sliding sleeve to slide on the sliding plate until the sliding block is finally locked at a central position, and then the first electric push rod continues to extend out to drive the sliding polishing shaft to slide downwards.

The cigarette sliding plate has the advantages that in the initial state, the first sliding sleeve is located on the center line of the annular ring, the upper end of the sliding polishing shaft is lower than the upper surface of the female die, so that a sheet can enter conveniently, and the cigarette sliding plate can slide outwards after locking disappears.

In the above scheme, preferably, the energy storage device includes a ball screw, a ball screw sleeve, a base, a second elastic member and a unidirectional rotation sleeve, the ball screw sleeve is rotatably disposed in the unidirectional rotation sleeve, the unidirectional rotation sleeve is unidirectionally rotatably disposed on the base, the ball screw and the ball screw sleeve are cooperatively disposed, a second limit ring is disposed at the bottom of the ball screw, and the second elastic member is disposed below the ball screw and located in the unidirectional rotation sleeve.

The ball screw has the beneficial effects that the ball screw slides downwards to drive the four sets of balls to rotate, so that the unidirectional rotating sleeve rotates.

In the above scheme, preferably, the energy storage device further includes a volute spiral spring, a spring connecting shaft is rotatably arranged around the bottom of the shaft, an inner ring of the volute spiral spring is arranged on the unidirectional rotating sleeve, an outer ring of the volute spiral spring is arranged on the spring connecting shaft, the base is provided with a locking device which slides forwards and backwards to achieve the effects of locking and unlocking the spring connecting shaft, and the locking device slides forwards and is located on a sliding track of the spring connecting shaft.

The spiral spring stirring device has the beneficial effects that the one-way rotating sleeve rotates to drive the spiral spring to stir tightly.

In the above scheme, it is preferred, the jacking device includes jacking axle, jacking axle sleeve, third elastic component and pressure touch switch, the jacking axle sleeve sets up on the die, the slip setting is in the jacking axle sleeve after the jacking, and its bottom is provided with the third elastic component, pressure touch switch sets up inside the jacking axle sleeve, when the jacking axle receives pressure and slides downwards, can push up and touch pressure touch switch.

Its effective effect lies in, after punching a hole and accomplish, jacking device can be automatic with the panel jacking, makes its and die break away from the contact, and the grinding device of being convenient for polishes the bottom flange in punching press hole.

The invention has the beneficial effects that: the invention provides a punching tool which can automatically lift a plate after punching is finished and polish a punched hole, so that a cutting edge formed by punching disappears, a worker is safer when carrying the punching tool, the plate is automatically polished after punching is finished, a manual polishing process is omitted, the labor cost is reduced, and the automation degree of a system is deepened.

Drawings

FIG. 1 is a schematic view of the present invention.

FIG. 2 is a schematic view of a portion of the structure of the present invention.

Fig. 3 shows the internal structure of the press grinder of the present invention.

Fig. 4 is a cross-sectional view of the punch abrasive of the present invention.

Fig. 5 is a schematic view of the sliding panel assembly of the present invention.

FIG. 6 is a schematic view of a sliding sanding shaft of the present invention.

Fig. 7 is a schematic view of the sliding panel of the present invention.

FIG. 8 is a schematic view of the loop of the present invention.

Fig. 9 is a cross-sectional view of a jacking apparatus of the present invention.

Detailed Description

The invention is described in further detail below with reference to the following detailed description and accompanying drawings: referring to fig. 1 to 9, a plate punching apparatus suitable for a multi-plate hub includes a frame 5, a feeding mechanism 2, a punching main body 1, a turntable 3 and a control device, wherein the feeding mechanism 2 is disposed on the frame 5 and controls the punching main body 1 to move freely on a platform, the punching main body 1 includes a punching rod 11 and a driving portion for driving the punching rod to operate, the driving portion is disposed in cooperation with the feeding mechanism 2, the turntable 3 is rotatably disposed on the frame 5 and is disposed in cooperation with the punching main body 1, a plurality of punching dies 4 are disposed on the turntable 3, the turntable 3 rotates to drive the punching dies 4 to rotate and operate below the punching rod 11, the control device is configured to control the punching main body 1 and the feeding mechanism 2 to complete a punching operation, the punching dies 4 include a punch 41, a female die 42, a polishing device 43, a jacking device 44, an energy storage device 45 and a surrounding device 46, the punch 41 and the female die 42 are cooperatively arranged for punching a plate, the grinding device 43 comprises a sliding grinding shaft 431, a first elastic member 432, a first sliding sleeve 433, a sliding plate 434 and a locking mechanism 435, the sliding grinding shaft 431 comprises a grinding head 4311, a grinding head rod 4312, a first limit retaining ring 4313, a square shaft 4314, a second limit retaining ring 4315 and a conical boss 4316, the first sliding sleeve 433 is provided with a square hole 4331 matched with the square shaft 4314, a first annular groove 4332 and a second annular groove 4333, the sliding grinding shaft 431 is slidably arranged on the square hole 4331 through the square shaft 4314, the first elastic member 432 is slidably arranged on the square shaft 4314, the upper end and the lower end of the first elastic member are in abutting contact with the first limit retaining ring 4313 and the first sliding sleeve 433, the second limit retaining ring 4315 is in abutting contact with the lower bottom surface of the first sliding sleeve 433, and the lower bottom surface of the grinding head 4311 at the top of the sliding grinding shaft 431 exceeds the upper plane of the female die 42, and the grinding head 4311 is a tapered grinding head, and the diameter of the grinding head rod 4312 is smaller than the minimum head diameter of the grinding head 4311.

The sliding plate 434 is provided with a sliding block 4341, a first sliding groove 4342, a second sliding groove 4343 and a surrounding shaft mounting hole 4344, the first sliding sleeve 433 is slidably arranged on the first sliding groove 4342 through a first annular groove 4332, the locking mechanism 435 comprises a sliding inclined block 4351 and a first electric push rod 4352, the sliding inclined block 4351 is slidably arranged on the second sliding groove 4343 of the sliding plate 434, the first electric push rod 4352 is arranged on the sliding plate 434, a telescopic rod of the sliding inclined block is connected to the sliding inclined block 4344, the first electric push rod 4352 extends back and forth to drive the sliding inclined block 4351 to slide back and forth on the sliding plate 434, the sliding inclined block 4351 is arranged in cooperation with a conical boss 4316, the sliding inclined block 4351 pushes the sliding inclined block 4351 to slide forward to be in contact with the conical boss 4316 to drive the sliding grinding shaft 431 to slide downward, when the sliding grinding shaft 431 is at the lowest position, an upper plane of the 4331 at the top end of the sliding grinding shaft 431 is lower than an upper plane of the concave grinding head 42, namely, in the initial state, when the first electric push rod 4352 slides backwards, the sliding inclined block 4351 is driven to slide backwards to be separated from the contact with the conical boss 4316, the sliding grinding shaft 431 slides upwards under the action of the first elastic piece 432, and at the highest position, the lower plane of the grinding head 4331 at the top end of the sliding grinding shaft 431 is higher than the upper plane of the female die 42, and the upper top plane of the grinding head 4331 is higher than the upper plane of the jacking device 44, namely, the grinding state.

The jacking device 44 comprises a jacking shaft 441, a jacking shaft sleeve 442, a third elastic element 443 and a press-touch switch 444, wherein the jacking shaft sleeve 442 is arranged on the female die 42, the jacking shaft 441 is slidably arranged in the jacking shaft sleeve 442, the third elastic element 443 is slidably arranged in the jacking shaft sleeve 442, two ends of the third elastic element 443 are pressed against the bottom surface of the inner hole of the jacking shaft sleeve 442 and the bottom surface of the jacking shaft 441, the press-touch switch 444 is arranged on the bottom surface of the inner hole of the jacking shaft sleeve 442, and the jacking shaft 441 can press the press-touch switch 444 when being pressed to slide downwards.

When the punch 41 punches downwards, the first electric push rod 4352 is in an extended state, the polishing device 43 is in an initial state, the inclined block 4351 is in abutting contact with the conical boss 4316, the upper plane of the grinding head 4331 at the top end of the sliding polishing shaft 431 is lower than the upper plane of the female die 42, at this time, the punch 41 firstly abuts against the plate during downward punching, so that the plate is pressed against the jacking device 44, the jacking shaft 441 slides downwards to press the press-contact switch 444, then the punch 41 continues to move downwards to press a hole in cooperation with the female die 42, the punch 41 continues to move downwards to abut against the sliding polishing shaft 431, so that the sliding polishing shaft 431 slides downwards, after the punch punches out the hole in the plate, the contact between the punch and the plate disappears, the jacking shaft 441 is lifted upwards under the action of the third elastic member 443, so that the plate is separated from the upper plane of the female die 42, at this time, the jacking shaft 441 is separated from the press-contact switch 444, so that the first electric push rod 4352 retracts backwards, the sliding inclined block 4351 is driven to slide backwards to be separated from contact with the conical boss 4316, the punch 41 is lifted upwards after going downwards for a certain stroke, the sliding grinding shaft 431 is lifted upwards along with the lifting upwards, and at the moment, the sliding inclined block 4351 is separated from contact with the conical boss 4316, so that the sliding grinding shaft 431 slides upwards under the action of the first elastic piece 432, when the sliding inclined block slides to the topmost end, the lower plane of the grinding head 4331 at the top end of the sliding grinding shaft 431 is higher than the upper plane of the concave die 42, and the upper top plane of the grinding head 4331 is higher than the upper plane of the plate.

The surrounding means 46 includes a surrounding coil 461, a surrounding shaft 462, an elastic ring belt 463 and a spring connecting shaft 464, the annular ring 461 comprises inner ring teeth 4611 and an annular slideway 4612, the annular slideway 4612 is provided with 2 tracks, the sliding blocks 4341 on the sliding plate 434 are also provided with 2, and the 2 sliding blocks 4341 on the sliding plate 434 are respectively arranged on the 2 annular slideways 4612 in a sliding manner, so that the sliding plate 434 makes a circular motion on the annular ring 461, the ring is rotatably disposed about the shaft 462 in a ring-about shaft mounting hole 4344 in the sliding plate 434, and is limited on the sliding plate 434 up and down, a third ring groove 4623 and a first flat gear 4621 are arranged on the surrounding shaft 462, the first flat gear 4621 is engaged with the inner ring gear 4611, the annular shaft 462 and the first sliding sleeve 433 are connected by an elastic annular belt 462, the elastic ring belt 462 is connected to the third ring groove 4623 on the ring shaft 462 and the second ring groove 4333 on the first sliding sleeve 433.

Wherein when the first electric push rod 4352 is in an extended state, the sliding polishing shaft 431 is limited at one end of the first sliding groove 4342 on the sliding plate 434, i.e. on the center line of the circular ring 461, by the sliding inclined block 4351, when the first electric push rod 4352 is retracted backwards, the sliding inclined block 4351 slides backwards, the first sliding sleeve 433 drives the sliding polishing shaft 431 to slide outwards under the elastic force of the elastic ring 462, so that the inclined plane of the polishing head 4331 at the upper end of the sliding polishing shaft 431 is pressed against the lower extension of the punched hole on the plate, so that the sliding plate 462 slides around the center of the circular ring 461, the first flat gear 4621 is meshed with the inner circular tooth 4611 to rotate, the first flat gear 4621 rotates to drive the circular ring 462 to rotate, the elastic ring 462 is driven to rotate, and finally the first sliding sleeve 433 drives the sliding polishing shaft 431 to rotate, so that the polishing head 4331 rotates, the extension of the lower plane of the punched hole on the plate is ground, the sliding plate 462 rotates around the annular ring 461, and the grinding head 4331 on the sliding grinding shaft 431 can always attach to the extension of the lower part of the punched hole under the action of the elastic annular ring 462, so that the plate can be ground for one circle around the punched hole.

The energy storage device 45 comprises a ball screw 451, a ball screw sleeve 452, a base 453, a second elastic element 454, a volute spring 455 and a unidirectional rotating sleeve 457, wherein the ball screw 451 is located on a center line of a circle center of the annular coil 461 and is located right below a sliding polishing shaft 431 in a locked state, when the punch 41 presses and contacts the sliding polishing shaft 431 downwards, the bottom of the sliding polishing shaft 431 presses and contacts the ball screw 451, so that the ball screw 451 slides downwards, the ball screw 451 is arranged in cooperation with the ball screw sleeve 452, the ball screw 451 slides upwards and downwards to drive the ball screw sleeve 452 to rotate left and right, the bottom of the ball screw 451 is provided with a second limit ring 4512, the unidirectional rotating sleeve 457 is further internally provided with a screw sleeve limit hole 4561 matched with the second limit ring 4512, the second limit ring 4512 is arranged in the unidirectional rotating sleeve 457 in a sliding manner, and the bottom of the unidirectional rotating sleeve 457 is further provided with a second elastic element 454 for resetting, the ball screw sleeve 452 rotates singly and is limited up and down in the unidirectional rotating sleeve 457, the unidirectional rotating sleeve 457 rotates unidirectionally and is limited up and down on a base 453, a hexagonal shaft 4513 is further arranged at the bottom of the second limit ring 4512, a hexagonal hole 4531 matched with the hexagonal shaft 4513 is formed in the base 453 so that the ball screw 451 can only slide up and down but cannot rotate, a spring connecting shaft 464 is rotatably arranged around the bottom of a shaft 462, an inner ring of the volute spring 455 is arranged on the unidirectional rotating sleeve 457, an outer ring of the volute spring is arranged on a spring connecting shaft 464, a locking device 456 is arranged on the base 453, the locking device 456 comprises a second electric push rod 4561 and a blocking plate 4562, when the second electric push rod 4561 is pushed out forwards, the blocking plate 4562 is positioned in a motion track of the unlocking spring connecting shaft 464, and when the second electric push rod 4561 is retracted backwards, the blocking plate 4562 leaves the movement locus of the unlocking spring connecting shaft 464.

Wherein the inner ring of the volute spring 455 is selected to be tightened by stirring counterclockwise, the punch 41 is pressed downward to contact the sliding polishing shaft 431, the sliding polishing shaft 431 is pressed downward to contact the ball screw 451 by sliding downward to slide the ball screw 451 downward, and the hexagonal shaft 4513 is arranged at the bottom of the ball screw 451 to enable the ball screw 451 to slide only up and down but not to rotate, so that the ball screw sleeve 452 is driven to rotate counterclockwise in the downward sliding process, the outer ring of the ball screw sleeve 452 is arranged on the unidirectional rotating sleeve 457 in a clockwise unidirectional rotation manner, and the unidirectional rotating sleeve 457 is arranged on the base 453 in a counterclockwise unidirectional rotation manner, so that the ball screw sleeve 452 drives the unidirectional rotating sleeve 457 to rotate counterclockwise, thereby tightening the volute spring 455, and when the punch 41 moves upward, the downward pressure of the ball screw 451 disappears, so that the ball screw 451 slides upward under the action of the second elastic member 454, and at this time, the ball screw sleeve 452 rotates clockwise, thus, non-rotating unidirectional rotating sleeve 457 rotates, and unidirectional rotating sleeve 457 comes to rest relative to base 453 without receiving a counterclockwise torsional force, thereby making the inner race of spiral spring 455 rest.

At this time, the spring connecting shaft 464 contacts against the blocking plate 4562 of the locking device 456, when the punch 41 retracts to the highest point, the unlocking switch is pressed, so that the second electric push rod 4561 retracts, the spring connecting shaft 464 is unlocked, the annular ring 461 of the ring shaft 462 and the sliding plate 462 is driven to slide under the action of the spiral spring 455, the first flat gear 4621 is meshed with the inner ring teeth 4611 to rotate, the first flat gear 4621 is driven to rotate, the ring shaft 462 is driven to rotate, the elastic ring 462 is driven to rotate, and finally the first sliding sleeve 433 is driven to rotate the sliding grinding shaft 431, so that the grinding head 4331 of the head part rotates,

at this time, the first electric push rod 4352 retracts, the sliding inclined block 4351 is out of contact with the conical boss 4316, so that the sliding grinding shaft 431 slides upwards under the action of the first elastic member 432, when the sliding inclined block 4351 slides to the topmost end, the lower plane of the grinding head 4331 at the top end of the sliding grinding shaft 431 is higher than the upper plane of the female die 42, the upper top plane of the grinding head 4331 is higher than the upper plane of the plate, and the sliding inclined block 4351 cancels the locking of the sliding grinding shaft 431, so that the sliding grinding shaft 431 slides outwards under the elastic force of the elastic ring 462, the inclined plane of the grinding head 4331 is pressed against the lower extension of the punched hole on the plate, because the sliding inclined block 4331 is rotating at this time, the pressed extension is ground, and the sliding plate 462 is rotating around the ring 461 at this time, the sliding grinding shaft 431 is driven to rotate around the circle center 431, and under the action of the elastic ring 462, the sliding grinding shaft 431 is pressed outwards, so that the grinding head 4331 can be always attached to the lower extending edge of the punching hole to grind a circle around the punching hole.

The working principle or the using method is as follows:

when a needed die is replaced through the rotary disc 3, and then the plate is conveyed to the lower part of the punching main body 1 through the feeding mechanism 2, the punching main body is started, so that the punch 41 slides downwards, the first electric push rod 4352 is in an extending state, the polishing device 43 is in an initial state, the inclined block 4351 is abutted against the conical boss 4316 and limits the inclined block at the circle center of the surrounding device 46, namely the falling position of the punch 41, the upper plane of the grinding head 4331 at the top end of the sliding polishing shaft 431 is lower than the upper plane of the female die 42, at the moment, the punch 41 firstly abuts against the plate when punching downwards, so that the plate is pressed against the jacking device 44, the jacking shaft 441 downwards slides against the press switch 444, then the punch 41 continuously downwards and cooperates with the female die 42 to punch a hole, the punch 41 continuously downwards, the sliding polishing shaft 431 is abutted against, the sliding downward, and the inner ring 455 of the spring is twisted anticlockwise to be tightly stirred, the sliding grinding shaft 431 slides downwards to press the ball screw 451 to enable the ball screw 451 to slide downwards, the hexagonal shaft 4513 is arranged at the bottom of the ball screw 451 to enable the ball screw 451 to only slide upwards and downwards but not to rotate, so that the ball screw sleeve 452 is driven to rotate anticlockwise in the sliding process, the outer ring of the ball screw sleeve 452 rotates clockwise and unidirectionally and is arranged on the unidirectional rotating sleeve 457, the unidirectional rotating sleeve 457 rotates anticlockwise and unidirectionally and is arranged on the base 453, the ball screw sleeve 452 drives the unidirectional rotating sleeve 457 to rotate anticlockwise so as to tightly stir the volute spring 455, when the punch 41 moves upwards, the downward pressure of the ball screw 451 disappears, the ball screw 451 slides upwards under the action of the second elastic piece 454, at the moment, the ball screw sleeve 452 rotates clockwise and does not drive the unidirectional rotating sleeve 457 to rotate, and the unidirectional rotating sleeve 457 is relatively static with the base 453 under the condition of not receiving anticlockwise torsional force, thereby causing the inner race of scroll spring 455 to rest.

After the punch punches out the hole of the plate, the contact between the punch and the plate disappears, the jacking shaft 441 is lifted upwards under the action of the third elastic element 443, so that the plate is separated from the upper plane of the female die 42, at this time, the jacking shaft 441 is separated from the press-contact switch 444, so that the first electric push rod 4352 is retracted backwards to drive the sliding inclined block 4351 to slide backwards to be separated from the contact with the conical boss 4316, after the punch 41 moves downwards for a certain stroke, the sliding inclined block 4351 is lifted upwards, the sliding grinding shaft 431 is lifted upwards along with the lifting upwards, at this time, the sliding inclined block 4351 is separated from the contact with the conical boss 4316, so that the sliding grinding shaft 431 slides upwards under the action of the first elastic element 432, when the sliding inclined block slides to the top end, the lower plane of the grinding head 4331 at the top end of the sliding grinding shaft 431 is higher than the upper plane of the female die 42, and the upper top plane of the grinding head 4331 is higher than the upper plane of the plate.

The second electric push rod 4561 is advanced immediately after retraction, and is returned to the initial state, so that the spring connecting shaft 464 abuts against the stopper 4562 of the locking device 456 after one rotation around the circular ring, and when the spring connecting shaft 464 abuts against the stopper 4562 again, the first electric push rod 4352 is pushed out forward, so that the sliding grinding shaft 431 is slid to the center position, and the sliding inclined block 4351 abuts against the conical boss 4316, so that the sliding grinding shaft 431 is slid downward, and the upper plane of the top grinding head 4331 thereof is lower than the upper plane of the female die.

The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims

1. Plate stamping equipment suitable for multi-disc wheel hub, including frame (5), feeding mechanism (2), punching press main part (1), carousel (3) and controlling means, feeding mechanism (2) set up in frame (5), and it realizes that control freely removes on the platform, punching press main part (1) includes punching press pole (11) and drive punching press pole moving drive division, and it sets up with feeding mechanism (2) cooperation, carousel (3) rotate set up on frame (5), and set up with punching press main part (1) cooperation, be provided with a plurality of stamping die (4) on carousel (3), carousel (3) rotate, drive punching press grinding apparatus (4) and rotate, and move punching press pole (11) below, controlling means is used for controlling punching press main part (1) and feeding mechanism (2) and accomplishes punching press operation, its characterized in that: punch head (41), die (42), grinding device (43), jacking device (44), energy storage device (45) and surrounding device (46) are included in stamping die (4), punch head (41) and die (42) are matched and arranged for punching a hole for a plate, grinding device (43) is arranged on surrounding device (46) in a sliding mode and located below die (42) and used for grinding sharp edges of a plane hole under a punching hole, surrounding device (46) provides guiding of annular motion for grinding device (43), energy storage device (45) and grinding device (43) are arranged in a matching mode, energy storage is achieved for punching the punching die each time, after punching is achieved, jacking device (44) jacks up a punching plate, energy storage device (45) provides kinetic energy for surrounding device (46), enables the punching device (43) to be driven to rotate, and drives the grinding device (43) to rotate, the punched hole is polished.

2. The plate punching apparatus for a multi-disc hub according to claim 1, wherein: the polishing device (43) comprises a sliding polishing shaft (431), a first elastic piece (432), a first sliding sleeve (433) and a sliding plate (434), wherein the sliding polishing shaft (431) is arranged in the sliding sleeve (433) in a sliding mode, a first limiting retainer ring (4313) is arranged on the sliding polishing shaft, the first elastic piece (432) is located between the first sliding sleeve (433) and the first limiting retainer ring, and the sliding sleeve (433) is arranged on the sliding plate (434) in a sliding mode.

3. The plate punching apparatus for a multi-disc hub according to claim 2, wherein: the encircling device (46) comprises an encircling ring (461), an encircling shaft (462) and an elastic ring belt (463), wherein the encircling shaft (462) is rotatably arranged on the sliding plate (434), the elastic ring belt (462) is arranged between the encircling shaft (462) and the first sliding sleeve (433), when one side rotates, the elastic ring belt can drive the other side to rotate along with the other side, the encircling ring (461) comprises inner ring teeth (4611) and an annular sliding way (4612), a sliding block (4341) is arranged on the sliding plate (434), the sliding plate (434) is slidably arranged on the annular sliding way (4612) through the sliding block (4341), at least two pairs of the annular sliding ways (4612) and the sliding block (4341) are arranged, the encircling shaft (462) comprises a first flat gear (4621), and the first flat gear (4621) is meshed with the inner ring teeth (4611).

4. A plate punching apparatus for a multi-plate hub according to claim 3, wherein: the sliding plate (434) is also provided with a locking mechanism (435) in a sliding way, the locking mechanism (435) comprises a sliding inclined block (4351) and a first electric push rod (4352), the sliding inclined block (4351) is arranged on the sliding plate (434) in a sliding way, the first electric push rod (4352) is arranged on the sliding plate (434), the sliding inclined block (4351) can be driven to slide back and forth on the sliding plate (434), the bottom of the sliding grinding shaft (431) is provided with a conical boss (4316), the sliding inclined block (4351) is matched with the conical boss (4316), the first electric push rod (4352) pushes the sliding inclined block (4351) to slide forwards, the first sliding sleeve (433) is pushed to slide on the sliding plate (434) by abutting against the conical boss (4316) until the sliding plate is finally locked at the central position, and then the first electric push rod (4352) continues to extend out to drive the sliding grinding shaft (431) to slide downwards.

5. The plate punching apparatus for a multi-disc hub according to claim 4, wherein: the energy storage device (45) comprises a ball screw (451), a ball screw sleeve (452), a base (453), a second elastic part (454) and a unidirectional rotation sleeve (457), the ball screw sleeve (452) rotates in the unidirectional rotation sleeve (457) in a single mode, the unidirectional rotation sleeve (457) rotates in a unidirectional mode on the base (453), the ball screw (451) and the ball screw sleeve (452) are arranged in a matched mode, a second limiting ring (4512) is arranged at the bottom of the ball screw (451), and the second elastic part (454) is arranged below the ball screw (451) and located in the unidirectional rotation sleeve (457).

6. The plate punching apparatus for a multi-disc hub according to claim 5, wherein: the energy storage device (45) further comprises a volute spiral spring (455), a spring connecting shaft (464) is rotatably arranged around the bottom of the shaft (462), the inner ring of the volute spiral spring (455) is arranged on the unidirectional rotating sleeve (457), the outer ring of the volute spiral spring is arranged on the spring connecting shaft (464), a locking device (456) is arranged on the base (453) and slides forwards and backwards to achieve the effect of locking and unlocking the spring connecting shaft (464), and the forward sliding locking device (456) is located on the sliding track of the spring connecting shaft (464).

7. The plate punching apparatus for a multi-disc hub according to claim 4, wherein: the jacking device (44) comprises a jacking shaft (441), a jacking shaft sleeve (442), a third elastic part (443) and a press-touch switch (444), the jacking shaft sleeve (442) is arranged on the female die (42), the jacking shaft sleeve (441) is arranged in the jacking shaft sleeve (442) in a sliding mode, the bottom of the jacking shaft sleeve is provided with the third elastic part (443), the press-touch switch (444) is arranged inside the jacking shaft sleeve (442), and when the jacking shaft (441) slides downwards under pressure, the press-touch switch (444) can be pushed to touch.