Three-stamping wrist guard synchronizing device

Abstract

The utility model relates to the technical field of accessory devices of fungus bag stamping equipment, in particular to a three-stamping wrist guard synchronizing device which can convey fungus bags through a rotating device, and after the fungus bags are conveyed to a proper position, a driving device drives a middle clamping mechanism and an outer side clamping mechanism to buckle and fix the fungus bags. According to the device, the supporting device at the bottom is matched to conduct auxiliary supporting on a fungus bag, the stamping device is started to stamp the fungus bag, and the fungus bag is stabilized in a semi-wrapping mode, so that the stamping stability of the device is improved, the working efficiency of the device is improved, and the practicability is improved. The stamping devices are uniformly mounted on the mounting plate, each stamping device further comprises a rotating mechanism, a driving device, a middle clamping mechanism, an outer side clamping mechanism, a supporting device and a stamping device body, a shaft hole is formed in the mounting plate, and the rotating mechanism penetrates through the shaft hole and is rotationally connected with the mounting plate.

Description

Technical Field

[0001] The utility model relates to the technical field of accessory devices of mushroom bag punching equipment, in particular to a three-punching wrist guard synchronization device. Background Art

[0002] As we all know, in the process of agricultural production, edible fungi are widely favored in the market as a common agricultural product. Their rich nutritional value and strong taste make them a supplementary material for most materials. In the production process of edible fungi, the materials need to be bagged and punched. The most common existing mushroom bag punching equipment is a punching machine; a punching machine is a device used to punch holes in mushroom bags during agricultural production, and it has been widely used in the field of agricultural production; when using the existing punching machine, the mushroom bag is first placed on a turntable for rotation, and the corresponding mushroom bag is driven to extend under the output end of the punching machine through the rotation, and the punching machine is started to lift and lower to make an opening at the top of the mushroom bag; it was found in the use of the existing punching machine that most of the existing punching machines are independently supported and lack a supporting lifting structure, which causes the mushroom bag to be skewed during the punching process, resulting in low production quality of the mushroom bag, and thus low working efficiency of the equipment, resulting in poor practicality. Utility Model Content

[0003] In order to solve the above technical problems, the utility model provides a three-stamping wrist guard synchronization device which can transport mushroom bags through a rotating device. After the mushroom bags are transported to the appropriate position, the middle clamping mechanism and the outer clamping mechanism are driven by a driving device to buckle and fix the mushroom bags, and the bottom support device is used to provide auxiliary support for the mushroom bags. The punching device is started to punch the mushroom bags, and the mushroom bags are semi-wrapped and stabilized to improve the stability of the stamping of the equipment, thereby improving the working efficiency of the equipment and increasing the practicality.

[0004] The utility model discloses a three-stamping wrist guard synchronization device, comprising a mounting plate and a stamping device, the stamping device is evenly mounted on the mounting plate, the stamping device also comprises a rotating mechanism, a driving device, a middle clamping mechanism, an outer clamping mechanism, a supporting device and a stamping device, an axial hole is arranged on the mounting plate, the rotating mechanism passes through the axial hole and is rotatably connected to the mounting plate, the connecting end of the driving device is connected to the connecting end of the mounting plate, the connecting ends of the middle clamping mechanism and the outer clamping mechanism are both connected to the top end of the mounting plate, the connecting end of the supporting device is connected to the connecting end of the driving device, and the connecting end of the stamping device is connected to the connecting end of the mounting plate.

[0005] Preferably, the rotating mechanism also includes a turntable, a sleeve and a connecting shaft, the connecting shaft passes through the shaft hole and is connected to the mounting plate bearing, a plurality of groups of placement holes are provided on the turntable, the connecting ends of the plurality of groups of sleeves are connected to the bottom end of the turntable, and the output ends of the plurality of groups of sleeves are respectively connected to the corresponding placement holes.

[0006] Preferably, the driving device also includes a telescopic cylinder, a connecting rod, a bracket and a fixed block. The connecting ends of the multiple groups of fixed blocks are connected to the bottom end of the mounting plate. The multiple groups of fixed blocks are provided with a fixed seat. The connecting end of the telescopic cylinder passes through the fixed seat and is rotatably connected to the fixed block. An axle seat is provided on the mounting plate. The connecting rod passes through the axle seat and is connected to the mounting plate bearing. The connecting end of the bracket is connected to the output end of the multiple groups of telescopic cylinders. The bracket is provided with a through hole, and the connecting rod passes through the through hole and is fixed to the bracket.

[0007] Preferably, the middle clamping mechanism also includes a driving rod, a slider, a slide rail, a push block, a top block, a driving cylinder, a lock and a hinge rod. The connecting ends of the multiple sets of slide rails are all connected to the connecting ends of the mounting plate. The slider is provided with a slide groove, and the corresponding output end of the slide rail passes through the slide groove and is slidably connected to the slider. The connecting end of the driving rod is rotatably connected to the connecting end of the slider. Multiple sets of mounting seats are provided on the bracket. The connecting end of the driving rod passes through the corresponding mounting seat and is rotatably connected to the bracket. The connecting end of the push block is connected to the connecting end of the slider, the connecting end of the top block is connected to the connecting end of the mounting plate, the connecting end of the driving cylinder is connected to the connecting end of the mounting plate, and multiple sets of hinge seats are provided on the mounting plate. Multiple sets of corresponding hinge rods and locks respectively pass through the corresponding hinge seats and are rotatably connected to the mounting plate, and a pin block is matched with the push block.

[0008] Preferably, the outer clamping mechanism also includes a clamp, a clamp rod, a pull rod, an arc rod, a spring, a chain and an adjustment plate. The adjustment plate is provided with a guide groove. Multiple groups of slide rails respectively pass through the corresponding guide grooves and are slidably connected to the corresponding adjustment plate. The connecting end of the clamp rod is connected to the top of the adjustment plate. Multiple groups of penetration holes are provided on the clamp rod. Multiple groups of clamps respectively pass through the corresponding penetration holes and are rotatably connected to the clamp rod. Multiple groups of clamps are provided with reamed holes. The output ends of multiple groups of arc rods respectively pass through the corresponding reamed holes and are rotatably connected to the corresponding clips. The connecting ends of multiple groups of clips are hinged to each other. The connecting end of the pull rod is rotatably connected to the connecting end of the corresponding clip. The connecting ends and output ends of multiple groups of chains are respectively rotatably connected to the corresponding arc rods and clamps. The connecting ends and output ends of multiple groups of springs are respectively connected to the connecting ends of the corresponding hinge rods and chains.

[0009] Preferably, the supporting device also includes a single-acting cylinder, a guide shaft, an inclined block, a positioning rod, a tension spring, a base and a support plate. The connecting end of the base is connected to the connecting end of the mounting plate, the connecting end of the single-acting cylinder is connected to the connecting end of the base, a machine hole is provided on the base, the output end of the single-acting cylinder passes through the machine hole and is connected to the connecting end of the inclined block, positioning holes are provided on the inclined block and the support plate, the connecting end and the output end of the positioning rod pass through the corresponding positioning holes and are rotatably connected to the inclined block and the support plate, and the connecting ends and output ends of multiple groups of tension springs are respectively connected to the connecting ends of the support plate and the base.

[0010] Preferably, the stamping device also includes a column, a lifting cylinder, a lifting plate, a stamping cylinder and a punching needle. The connecting end of the column is connected to the connecting end of the corresponding equipment, the output end of the lifting cylinder is connected to the top of the column, the connecting end of the lifting plate is connected to the connecting end of the lifting cylinder, multiple groups of circular holes are arranged on the lifting plate, the connecting ends of the multiple groups of stamping cylinders are all connected to the connecting end of the lifting plate, and the output ends of the multiple groups of stamping cylinders are respectively connected through the corresponding circular holes and the corresponding connecting ends of the punching needles.

[0011] Compared with the prior art, the beneficial effects of the utility model are as follows: in the process of punching holes in the mushroom bags, the rotating device is started to rotate, and the three mushroom bags in a group are driven to rotate and punch holes through the rotation. In this process, the driving device is started to drive the middle clamping mechanism and the external clamping mechanism to engage, so that the output ends of the devices wrap and fix the corresponding mushroom bags, and the supporting device is started to lift and lower to support the bottom of the mushroom bag, and the stamping device is started to stamp and punch holes in the equipment, so as to improve the stability of the equipment's punching, thereby improving the equipment's working efficiency, thereby increasing the practicality of a three-stamping wrist guard synchronization device. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a structural schematic diagram of the utility model;

[0013] Figure 2 It is a schematic diagram of the connection structure of the driving rod and the bracket of the utility model;

[0014] Figure 3 It is a schematic diagram of the connection structure of the lock buckle and the pin block of the utility model;

[0015] Figure 4 It is a schematic diagram of the connection structure of the clamp and the clamp rod of the utility model;

[0016] Figure 5 It is a schematic diagram of the connection structure of the base and the support plate of the utility model;

[0017] Markings in the accompanying drawings: 1, mounting plate; 201, shaft hole; 301, turntable; 302, sleeve; 303, connecting shaft; 304, placement hole; 401, telescopic cylinder; 402, connecting rod; 403, bracket; 404, fixing block; 405, fixing seat; 406, shaft seat; 407, through hole; 501, driving rod; 502, slider; 503, slide rail; 504, push block; 505, top block; 506, driving cylinder; 507, lock; 508, hinge rod; 509, slide groove; 510, mounting seat; 511, capstan seat; 512, pin block ;601, clamp; 602, clamp rod; 603, pull rod; 604, arc rod; 605, spring; 606, chain; 607, adjustment plate; 608, guide groove; 609, penetration hole; 610, reaming hole; 701, single-acting cylinder; 702, guide shaft; 703, inclined block; 704, positioning rod; 705, tension spring; 706, base; 707, support plate; 708, machine hole; 709, positioning hole; 801, column; 802, lifting cylinder; 803, lifting plate; 804, punching cylinder; 805, punching needle; 806, round hole. DETAILED DESCRIPTION

[0018] The following is a further detailed description of the specific implementation of the present invention in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

[0019] like Figures 1 to 5 As shown, a three-stamping wrist guard synchronization device of the utility model comprises a mounting plate 1 and a stamping device, the stamping device is evenly mounted on the mounting plate 1, the stamping device also comprises a rotating mechanism, a driving device, a middle clamping mechanism, an outer clamping mechanism, a supporting device and a stamping device, an axial hole 201 is provided on the mounting plate 1, the rotating mechanism passes through the axial hole 201 and is rotatably connected to the mounting plate 1, the connecting end of the driving device is connected to the connecting end of the mounting plate 1, the connecting ends of the middle clamping mechanism and the outer clamping mechanism are both connected to the top of the mounting plate 1, and the connecting end of the supporting device is connected to the connecting end of the driving device. Then, the connecting end of the punching device is connected to the connecting end of the mounting plate 1; in the process of punching holes in the mushroom bag, the rotating device is started to rotate, and the three mushroom bags in a group are driven to rotate and punch holes. In this process, the driving device is started to drive the middle clamping mechanism and the external clamping mechanism to engage, so that the output ends of the two devices wrap and fix the corresponding mushroom bags, and the supporting device is started to lift and lower to support the bottom of the mushroom bag, and the punching device is started to punch holes in the equipment, so as to improve the stability of the equipment in punching holes, thereby improving the working efficiency of the equipment and increasing the practicality.

[0020] As a preferred embodiment of the above embodiment, the rotating mechanism also includes a turntable 301, a sleeve 302 and a connecting shaft 303. The connecting shaft 303 passes through the shaft hole 201 and is connected to the bearing of the mounting plate 1. A plurality of groups of placement holes 304 are arranged on the turntable 301. The connection ends of the plurality of groups of sleeves 302 are all connected to the bottom end of the turntable 301, and the output ends of the plurality of groups of sleeves 302 are respectively connected to the corresponding placement holes 304. In the process of rotating the mushroom bag, the rotating connecting shaft drives the turntable connected thereto to rotate, and the mushroom bag is fixed by the sleeve on the turntable, and the mushroom bag is punched in groups of three, so as to improve the automation level of the mushroom bag punching, thereby improving the working efficiency of the equipment and increasing the practicality.

[0021] As a preferred embodiment of the above, the driving device further includes a telescopic cylinder 401, a connecting rod 402, a bracket 403 and a fixed block 404, the connecting ends of the multiple groups of fixed blocks 404 are connected to the bottom end of the mounting plate 1, the multiple groups of fixed blocks 404 are provided with a fixed seat 405, the connecting end of the telescopic cylinder 401 passes through the fixed seat 405 and is rotatably connected to the fixed block 404, the mounting plate 1 is provided with a shaft seat 406, the connecting rod 402 passes through the shaft seat 406 and is connected to the mounting plate 1 bearing, the connecting end of the bracket 403 and the multiple groups of telescopic cylinders 40 1 is connected to the output end of the bracket 403, a through hole 407 is provided on the bracket 403, and the connecting rod 402 passes through the through hole 407 and the bracket 403 to fix the sleeve; in the process of rotating the mushroom bag, when the mushroom bag moves to an appropriate position, the telescopic cylinder is started to telescope on the fixed block, and the bracket is driven to rotate, so that the bracket is swung on the connecting rod, and the swing drives the middle clamping mechanism and the external clamping mechanism to clamp the mushroom bag, so as to improve the clamping stability of the equipment, thereby improving the working efficiency of the equipment and increasing the practicality.

[0022] As a preferred embodiment of the above embodiment, the middle clamping mechanism also includes a driving rod 501, a slider 502, a slide rail 503, a push block 504, a top block 505, a driving cylinder 506, a lock 507 and a hinge rod 508. The connecting ends of the multiple sets of slide rails 503 are all connected to the connecting ends of the mounting plate 1. The slider 502 is provided with a slide groove 509. The corresponding output end of the slide rail 503 passes through the slide groove 509 and is slidably connected to the slider 502. The connecting end of the driving rod 501 is rotatably connected to the connecting end of the slider 502. The bracket 403 is provided with multiple sets of mounting seats 510. The connecting end of the driving rod 501 passes through the corresponding mounting seats 510 and is rotatably connected to the bracket 403. The connecting end of the push block 504 is connected to the connecting end of the slider 502. The connecting end of the top block 505 is connected to the mounting plate 1 The connecting end is connected, the connecting end of the driving cylinder 506 is connected to the connecting end of the mounting plate 1, and a plurality of groups of capstan seats 511 are arranged on the mounting plate 1, and a plurality of groups of corresponding hinge rods 508 and lock buckles 507 respectively pass through the corresponding hinge seats 511 and are rotatably connected to the mounting plate 1, and a pin block 512 is matched with the push block 504; in the process of clamping the middle mushroom bag, the driving rod is driven by the bracket to drive the slider to slide on the slide rail, and in this process, the slider pushes the push block and the top block to merge, so as to clamp the mushroom bag, and the driving cylinder is started to drive the hinge rod connected thereto to rotate, and the lock buckle and the pin block are driven to buckle and clamp through the continuous rotation between the hinge rods, so as to improve the clamping stability of the equipment, thereby improving the working efficiency of the equipment and increasing the practicality.

[0023] As a preferred embodiment of the above embodiment, the outer clamping mechanism also includes a clamp 601, a clamp rod 602, a pull rod 603, an arc rod 604, a spring 605, a chain 606 and an adjustment plate 607. The adjustment plate 607 is provided with a guide groove 608. Multiple groups of slide rails 503 respectively pass through the corresponding guide grooves 608 and are slidably connected to the corresponding adjustment plate 607. The connecting end of the clamp rod 602 is connected to the top of the adjustment plate 607. Multiple groups of through holes 609 are provided on the clamp rod 602. Multiple groups of clamps 601 are respectively passed through the corresponding through holes 609 and are rotatably connected to the clamp rod 602. Multiple groups of clamps 601 are respectively provided with reaming holes 610. The output ends of multiple groups of arc rods 604 respectively pass through the corresponding reaming holes 610 and are rotatably connected to the corresponding clamps 601. Multiple groups of clamps 601 The connecting ends are hinged to each other, the connecting end of the pull rod 603 is rotatably connected to the connecting end of the corresponding clip 601, the connecting ends and output ends of multiple groups of chains 606 are respectively rotatably connected to the corresponding arc rod 604 and the clip 601, and the connecting ends and output ends of multiple groups of springs 605 are respectively connected to the connecting ends of the corresponding hinge rod 508 and the chain 606; in the process of fixing the external mushroom bag, the pull rod is driven to slide by the bracket, and the sliding of the pull rod drives the arc rod connected thereto to rotate and drive the clip to buckle, during this process, the chain limits the rotation stroke of the clip, and the spring assists the clip to reset after the pull rod is reset, so as to improve the stability of the equipment clamping, thereby improving the working efficiency of the equipment and increasing practicality.

[0024] As a preferred embodiment of the above embodiment, the supporting device also includes a single-acting cylinder 701, a guide shaft 702, an inclined block 703, a positioning rod 704, a tension spring 705, a base 706 and a support plate 707. The connecting end of the base 706 is connected to the connecting end of the mounting plate 1, the connecting end of the single-acting cylinder 701 is connected to the connecting end of the base 706, and an organic hole 708 is provided on the base 706. The output end of the single-acting cylinder 701 passes through the organic hole 708 and is connected to the connecting end of the inclined block 703. The inclined block 703 and the support plate 707 are both provided with positioning holes 709. The connecting end of the positioning rod 704 is connected to the connecting end of the mounting plate 1. The connecting end and the output end are respectively connected to the inclined block 703 and the support plate 707 through the corresponding positioning holes 709, and the connecting end and the output end of the multiple sets of tension springs 705 are respectively connected to the connecting end of the support plate 707 and the base 706; in the process of supporting the mushroom bag, the single-acting cylinder is started to extend and retract, driving the inclined block to slide and the support plate to support, driving the support plate to slide upward, and cooperating with the positioning rod to limit the position of the support plate, and the position of the support plate is stabilized by the tension spring, so as to improve the stability of the punching of the mushroom bag, thereby improving the working efficiency of the equipment and increasing practicality.

[0025] As a preferred embodiment of the above embodiment, the punching device also includes a column 801, a lifting cylinder 802, a lifting plate 803, a punching cylinder 804 and a punching needle 805. The connecting end of the column 801 is connected to the connecting end of the corresponding equipment, the output end of the lifting cylinder 802 is connected to the top of the column 801, the connecting end of the lifting plate 803 is connected to the connecting end of the lifting cylinder 802, and the lifting plate 803 is provided with multiple groups of circular holes 806. The connecting ends of multiple groups of punching cylinders 804 are all connected to the connecting end of the lifting plate 803, and the output ends of multiple groups of punching cylinders 804 are respectively connected through the corresponding circular holes 806 and the corresponding connecting ends of the punching needle 805; in the process of punching the mushroom bag, the lifting cylinder is started to lift and lower on the column, driving the lifting plate connected thereto to lift and lower, and the punching needle is driven by the punching cylinder on the lifting plate to punch the mushroom bag, thereby improving the automation level of the equipment, thereby improving the working efficiency of the equipment and increasing practicality.

[0026] The utility model discloses a three-punching wrist guard synchronization device. When working, the rotating device is started to rotate, and the rotation drives three mushroom bags in a group to rotate and punch holes. In this process, the driving device is started to drive the middle clamping mechanism and the external clamping mechanism to buckle, so that their output ends wrap and fix the corresponding mushroom bags, and the supporting device is started to lift and lower to support the bottom of the mushroom bag. The punching device is started to punch and punch the equipment, and the rotating connecting shaft drives the turntable connected to it to rotate, and the mushroom bags are fixed by the sleeve on the turntable, and the mushroom bags are punched in groups of three. When the mushroom bags are moved to the appropriate position, the telescopic cylinder is started to telescope on the fixed block, and the bracket is driven to rotate to swing on the connecting rod, and the middle clamping mechanism and the external clamping mechanism are driven to clamp the mushroom bags through the swing, and the driving rod is driven by the bracket to drive the slide block to slide. The cam is pressed against the support plate and the lever is engaged, and the lever is engaged with the support plate ...

[0027] The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only.

[0028] The “first”, “second” and “third” mentioned in the present invention do not represent specific quantities and orders, but are merely used to distinguish names.

[0029] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principle of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.

Claims

1. A three-stamping wrist guard synchronization device, comprising a mounting plate (1) and a stamping device, wherein the stamping device is evenly mounted on the mounting plate (1); characterized in that: The punching device also includes a rotating mechanism, a driving device, a middle clamping mechanism, an outer clamping mechanism, a supporting device and a punching device. An axial hole (201) is provided on the mounting plate (1). The rotating mechanism passes through the axial hole (201) and is rotatably connected to the mounting plate (1). The connecting end of the driving device is connected to the connecting end of the mounting plate (1). The connecting ends of the middle clamping mechanism and the outer clamping mechanism are both connected to the top end of the mounting plate (1). The connecting end of the supporting device is connected to the connecting end of the driving device. The connecting end of the punching device is connected to the connecting end of the mounting plate (1).

2. A three-stamp wrist guard synchronization device as claimed in claim 1, characterized in that: The rotating mechanism further comprises a rotating disk (301), a sleeve (302) and a connecting shaft (303); the connecting shaft (303) passes through the shaft hole (201) and is connected to the mounting plate (1) by a bearing; a plurality of groups of placement holes (304) are arranged on the rotating disk (301); the connection ends of the plurality of groups of sleeves (302) are all connected to the bottom end of the rotating disk (301); and the output ends of the plurality of groups of sleeves (302) are respectively connected to the corresponding placement holes (304).

3. A three-stamp wrist guard synchronization device as claimed in claim 2, characterized in that: The driving device further comprises a telescopic cylinder (401), a connecting rod (402), a bracket (403) and a fixed block (404); the connecting ends of the plurality of fixed blocks (404) are all connected to the bottom end of the mounting plate (1); the plurality of fixed blocks (404) are all provided with a fixing seat (405); the connecting end of the telescopic cylinder (401) passes through the fixing seat (405) and is rotatably connected to the fixing block (404); the mounting plate (1) is provided with an axle seat (406); the connecting rod (402) passes through the axle seat (406) and is connected to the bearing of the mounting plate (1); the connecting end of the bracket (403) is connected to the output ends of the plurality of telescopic cylinders (401); the bracket (403) is provided with a through hole (407); the connecting rod (402) passes through the through hole (407) and is fixedly mounted on the bracket (403).

4. A three-stamp wrist guard synchronization device as claimed in claim 3, characterized in that: The middle clamping mechanism also includes a driving rod (501), a slider (502), a slide rail (503), a push block (504), a top block (505), a driving cylinder (506), a lock (507) and a hinge rod (508); the connection ends of the plurality of slide rails (503) are all connected to the connection end of the mounting plate (1); a slide groove (509) is provided on the slider (502); the output end of the corresponding slide rail (503) passes through the slide groove (509) and is slidably connected to the slider (502); the connection end of the driving rod (501) is rotatably connected to the connection end of the slider (502); and the bracket (403) is provided with a plurality of mounting seats (51 0), the connecting end of the driving rod (501) passes through the corresponding mounting seat (510) and is rotatably connected to the bracket (403), the connecting end of the pushing block (504) is connected to the connecting end of the sliding block (502), the connecting end of the top block (505) is connected to the connecting end of the mounting plate (1), the connecting end of the driving cylinder (506) is connected to the connecting end of the mounting plate (1), a plurality of groups of hinge seats (511) are arranged on the mounting plate (1), a plurality of groups of corresponding hinge rods (508) and lock buckles (507) respectively pass through the corresponding hinge seats (511) and are rotatably connected to the mounting plate (1), and a pin block (512) is matched with the pushing block (504).

5. A three-stamp wrist guard synchronization device as claimed in claim 4, characterized in that: The outer clamping mechanism also includes a clamp (601), a clamping rod (602), a pull rod (603), an arc rod (604), a spring (605), a chain (606) and an adjustment plate (607). The adjustment plate (607) is provided with a guide groove (608). A plurality of groups of slide rails (503) respectively pass through the corresponding guide grooves (608) and are slidably connected to the corresponding adjustment plate (607). The connecting end of the clamping rod (602) is connected to the top end of the adjustment plate (607). A plurality of groups of through holes (609) are provided on the clamping rod (602). A plurality of groups of clamps (601) respectively pass through the corresponding through holes (609) and are rotatably connected to the clamping rod (602). The plurality of groups of clips (601) are dynamically connected, each group of clips (601) is provided with a reaming hole (610), the output ends of the plurality of groups of arc-shaped rods (604) respectively pass through the corresponding reaming holes (610) and are rotationally connected to the corresponding clips (601), the connecting ends of the plurality of groups of clips (601) are hinged to each other, the connecting end of the pull rod (603) is rotationally connected to the connecting end of the corresponding clip (601), the connecting end and the output end of the plurality of groups of chains (606) are rotationally connected to the corresponding arc-shaped rod (604) and the clip (601), and the connecting end and the output end of the plurality of groups of springs (605) are respectively connected to the connecting end of the corresponding hinge rod (508) and the chain (606).

6. A three-stamp wrist guard synchronization device as claimed in claim 5, characterized in that: The supporting device further comprises a single-acting cylinder (701), a guide shaft (702), an inclined block (703), a positioning rod (704), a tension spring (705), a base (706) and a support plate (707); the connecting end of the base (706) is connected to the connecting end of the mounting plate (1); the connecting end of the single-acting cylinder (701) is connected to the connecting end of the base (706); a machine hole (708) is provided on the base (706); the output end of the single-acting cylinder (701) passes through the machine hole (708) and is connected to the connecting end of the inclined block (703); the inclined block (703) and the support plate (707) are both provided with positioning holes (709); the connecting end and the output end of the positioning rod (704) respectively pass through the corresponding positioning holes (709) and are rotatably connected to the inclined block (703) and the support plate (707); the connecting end and the output end of the plurality of tension springs (705) are respectively connected to the connecting end of the support plate (707) and the base (706).

7. A three-stamp wrist guard synchronization device as claimed in claim 6, characterized in that: The punching device also includes a column (801), a lifting cylinder (802), a lifting plate (803), a punching cylinder (804) and a punching needle (805). The connection end of the column (801) is connected to the connection end of the corresponding device, the output end of the lifting cylinder (802) is connected to the top of the column (801), the connection end of the lifting plate (803) is connected to the connection end of the lifting cylinder (802), the lifting plate (803) is provided with multiple groups of circular holes (806), the connection ends of the multiple groups of punching cylinders (804) are all connected to the connection end of the lifting plate (803), and the output ends of the multiple groups of punching cylinders (804) are respectively connected through the corresponding circular holes (806) and the corresponding connection ends of the punching needles (805).

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