CN216576700U

CN216576700U - Perforating device for fastener production

Info

Publication number: CN216576700U
Application number: CN202122796371.3U
Authority: CN
Inventors: 吴国海; 蒋爱华
Original assignee: Yangzhou Dongshun Mechanical Equipment Co ltd
Current assignee: Yangzhou Dongshun Mechanical Equipment Co ltd
Priority date: 2021-11-16
Filing date: 2021-11-16
Publication date: 2022-05-24
Anticipated expiration: 2031-11-16

Abstract

The utility model relates to a punching device for fastener production, which comprises a workpiece and a workbench, wherein a linkage device and a clamping device are arranged on the workbench, the linkage device comprises two L-shaped plates and two first springs, the two L-shaped plates are arranged oppositely, one sides of the two L-shaped plates are attached, the lower surfaces of the attaching parts are rotatably connected through hinges, the front sides and the rear sides of the two L-shaped plates are respectively provided with a first rotating shaft, the two first springs are respectively arranged on the front sides and the rear sides of the two L-shaped plates, the two ends of each first spring are respectively provided with a hook, and the hooks are rotatably sleeved outside the first rotating shafts. According to the utility model, the clamping device is arranged, so that the workpiece can be conveniently positioned and clamped, the screw rod and the nut are arranged for threaded connection, and the clamping block is detachably connected with the clamping base, so that the guide rod can be conveniently detached from the L-shaped plate, and the clamping block is detached from the clamping base for replacement, so that the clamping device is suitable for workpieces of various specifications.

Description

Perforating device for fastener production

Technical Field

The utility model relates to the technical field of perforating devices, in particular to a perforating device for fastener production.

Background

The fastener is a mechanical part which is used for fastening connection and has extremely wide application. The fastener has wide application industries, including energy, electronics, electrical appliances, machinery, chemical industry, metallurgy, molds, hydraulic pressure and the like, and various fasteners can be seen on various machines, equipment, vehicles, ships, railways, bridges, buildings, structures, tools, instruments, chemical industry, instruments, supplies and the like, and are the most widely applied mechanical basic parts.

Patent No. CN201921619869.9 discloses a punching device for fasteners, wherein two positioning cylinders move simultaneously to position and clamp a workpiece, but the mode has higher requirement on the synchronization degree of the two positioning cylinders and higher manufacturing cost of the cylinders, and the utility model provides a new solution for the problems that in the actual production, multi-station simultaneous working is generally adopted for improving the productivity and the requirement on the number of the cylinders is higher.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Aiming at the problems in the prior art, the utility model provides a punching device for fastener production, which aims to solve the technical problems in the background art.

(II) technical scheme

In order to achieve the purpose, the utility model provides the following technical scheme: a punching device for fastener production comprises a workpiece and a workbench, wherein a linkage device and a clamping device are arranged on the workbench, the linkage device comprises two L-shaped plates and two first springs, the two L-shaped plates are arranged oppositely and are attached to one side, the lower surfaces of the attaching positions are rotatably connected through hinges, first rotating shafts are respectively arranged on the front sides and the rear sides of the two L-shaped plates, the two first springs are respectively arranged on the front sides and the rear sides of the two L-shaped plates, hooks are respectively arranged at the two ends of each first spring, and the hooks are rotatably sleeved outside the first rotating shafts; the clamping device comprises a second spring, a clamping base and a clamping block, one side of the clamping block is attached to the outer wall of the workpiece, the other side of the clamping block is detachably connected with the clamping base through a bolt, and two ends of the second spring are respectively abutted to the L-shaped plate and the clamping base.

Preferably, the upper surface of workstation is equipped with the support, the support is provided with two, and sets up respectively the both sides of L template, be equipped with first spout on the support, first pivot is rotatable and slidable ground sets up in the first spout. This design can be convenient for first pivot and remove in first spout.

Preferably in further, be equipped with logical groove on the support, it is equipped with the plectrum to lead to inslot slidable, the plectrum is close to one side of L template is equipped with the second pivot, two the upper surface of L template all is equipped with the connecting seat, all is equipped with the second spout on the connecting seat, the second pivot is provided with two, and slidable respectively and rotationally set up two in the second spout. This design can drive two L templates to rotate through pressing or lifting up the plectrum, and pressing or lifting up the in-process, two second pivots slide in two second spouts respectively.

Preferably in the further, be equipped with the guiding hole on the L template, be equipped with the guide bar in the guiding hole, the one end of guide bar with press from both sides tight pedestal connection, the other end is equipped with the screw rod, screw rod external thread cover is equipped with the nut, the one end of nut with the guide bar laminating, the second spring housing is established outside the guide bar. This design can move in the guiding hole through the guide bar, leads to the clamping base, through setting up screw rod and nut threaded connection, can prevent that the guide bar from following the downthehole roll-off of guiding under the effect of second spring resilience force, also can be convenient for dismantle the guide bar from the guiding hole get off, the tight piece of clamp of change of being convenient for.

Preferably, the shifting piece is provided with a limiting block, the limiting block is arranged between the support and the L-shaped plate, and two sides of the limiting block are respectively attached to the support and the L-shaped plate. The design can prevent the shifting sheet from sliding out in the through groove.

Preferably, the support is provided with a limiting plate, the limiting plate is detachably connected with the two supports through bolts, the limiting plate is provided with a through hole, and the workpiece penetrates through the through hole. This design can support the upper end of work piece through the limiting plate.

Preferably, the first rotating shaft is provided with a limiting groove, and the hook is sleeved in the limiting groove. With this arrangement, the first spring can be prevented from being displaced.

(III) advantageous effects

Compared with the prior art, the utility model provides a punching device for fastener production, which has the following beneficial effects:

according to the utility model, the clamping device is arranged, so that the workpiece can be conveniently positioned and clamped, the screw rod and the nut are arranged for threaded connection, and the clamping block and the clamping base are detachably connected through the bolt, so that the guide rod can be conveniently detached from the L-shaped plate, and the clamping block is detached from the clamping base for replacement, so that the clamping device is suitable for workpieces of various specifications; in addition, through setting up aggregate unit, can be through pressing the plectrum downwards, make two L templates rotate, until it constitutes "U" type, first spring is in tensile state this moment, under the effect of first spring resilience force, two L templates closely laminate, produce thrust between two L templates, offset with the resilience force of first spring, L template atress is balanced this moment, two L templates are fixed in this position, press from both sides tightly the work piece through clamping device, through upwards lifting the plectrum, make two L templates rotate, under the effect of first spring resilience force, two L templates continue to rotate, until first spring is in natural state, two L templates are constituteed "W" type this moment.

Drawings

FIG. 1 is a schematic view of the overall structure of a punching device for producing fasteners according to the present invention;

FIG. 2 is a schematic view of the present invention with the table, limiting plate and a bracket removed;

FIG. 3 is a schematic view of a linkage according to the present invention;

fig. 4 is a schematic view of a connection structure of the workpiece and the limiting plate in the present invention.

In the figure: 1. a workpiece; 2. a work table; 3. an L-shaped plate; 4. a first spring; 5. a first rotating shaft; 6. hooking; 7. a second spring; 8. clamping the base; 9. a clamping block; 10. a support; 11. a first chute; 12. a through groove; 13. a shifting sheet; 14. a second rotating shaft; 15. a connecting seat; 16. a second chute; 17. a guide hole; 18. a guide bar; 19. a screw; 20. a nut; 21. a limiting block; 22. a limiting plate; 23. a through hole; 24. a limiting groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1:

referring to fig. 1-4, a punching device for fastener production comprises a workpiece 1 and a workbench 2, wherein a linkage device and a clamping device are arranged on the workbench 2, the linkage device comprises two L-shaped plates 3 and first springs 4, the two L-shaped plates 3 and the first springs 4 are arranged, the two L-shaped plates 3 are oppositely arranged and are jointed at one side, the lower surfaces of the joint parts are rotatably connected through hinges, the front sides and the rear sides of the two L-shaped plates 3 are respectively provided with a first rotating shaft 5, the two first springs 4 are respectively arranged at the front sides and the rear sides of the two L-shaped plates 3, the two ends of each first spring are respectively provided with a hook 6, and the hooks 6 are rotatably sleeved outside the first rotating shafts 5; clamping device includes second spring 7, presss from both sides tight base 8 and presss from both sides tight piece 9, presss from both sides one side of tight piece 9 and the laminating of 1 outer wall of work piece, and the opposite side passes through bolt detachably with pressing from both sides tight base 8 and connects, and the both ends of second spring 7 offset with L template 3 and tight base 8 of clamp respectively. The first rotating shaft 5 is provided with a limiting groove 24, and the hook 6 is sleeved in the limiting groove 24.

In this embodiment, the upper surface of the working table 2 is provided with two brackets 10, the two brackets 10 are respectively disposed on two sides of the L-shaped plate 3, the bracket 10 is provided with a first sliding groove 11, and the first rotating shaft 5 is rotatably and slidably disposed in the first sliding groove 11. Be equipped with logical groove 12 on the support 10, be equipped with plectrum 13 in leading to groove 12 slidable, one side that plectrum 13 is close to L template 3 is equipped with second pivot 14, and the upper surface of two L templates 3 all is equipped with connecting seat 15, all is equipped with second spout 16 on the connecting seat 15, and second pivot 14 is provided with two, and slidable respectively and rotationally set up in two second spouts 16. The limiting plates 22 are arranged on the supports 10, the limiting plates 22 are detachably connected with the two supports 10 through bolts, through holes 23 are formed in the limiting plates 22, and the workpieces 1 penetrate through the through holes 23. When the device is used, a workpiece 1 is placed on the limiting plate 22, the lower end of the workpiece passes through the through hole 23 and is arranged between the two L-shaped plates 3, the two shifting pieces 13 are pressed downwards, the two L-shaped plates 3 are driven to rotate through the cooperation of the second rotating shaft 14 and the second sliding groove 16, the first rotating shaft 5 slides in the first sliding groove 11 at the moment until the two L-shaped plates 3 form a U shape, the first spring 4 is in a stretching state at the moment, the two L-shaped plates 3 are tightly attached under the action of the resilience force of the first spring 4, the thrust force is generated between the two L-shaped plates 3 and is offset against the resilience force of the first spring 4, the L-shaped plates 3 are balanced in stress at the moment, the two L-shaped plates 3 are fixed at the position, and the workpiece 1 is clamped through the clamping device; after punching is completed, the shifting sheet 13 is lifted upwards, the two L-shaped plates 3 are made to rotate, the two L-shaped plates 3 continue to rotate under the action of the resilience force of the first spring 4 until the first spring 4 is in a natural state, the two L-shaped plates 3 form a W shape, the clamping device leaves the workpiece 1 at the moment, and the workpiece 1 is taken out of the through hole 23.

In this embodiment, a guide hole 17 is formed in the L-shaped plate 3, a guide rod 18 is arranged in the guide hole 17, one end of the guide rod 18 is connected with the clamping base 8, a screw rod 19 is arranged at the other end of the guide rod, a nut 20 is sleeved on the screw rod 19 through an external thread, one end of the nut 20 is attached to the guide rod 18, and the second spring 7 is sleeved outside the guide rod 18. When the clamping device is used, the two groups of clamping devices are arranged, the two L-shaped plates 3 rotate to enable the two clamping blocks 9 to be close to the workpiece 1, after the clamping blocks 9 are contacted with the workpiece 1, the clamping blocks 9 extrude the second springs 7 to compress the second springs 7, the guide rods 18 move in the guide holes 17 at the moment to guide the second springs 7 until the two L-shaped plates 3 form a U shape, the second springs 7 are in a compressed state at the moment, the two clamping blocks 9 are attached to the workpiece 1 to finish clamping, and the compression lengths are the same through equal stress of the two second springs 7, so that the center of the workpiece 1 is positioned at the centers of the two groups of clamping devices; when the clamping block 9 needs to be replaced according to different workpieces 1, the nut 20 is taken off from the screw rod 19, the guide rod 18 is taken out from the guide hole 17, the clamping block 9 is replaced, and the clamping block is reassembled according to the reverse operation after replacement.

In this embodiment, the shifting piece 13 is provided with a limiting block 21, the limiting block 21 is arranged between the support 10 and the L-shaped plate 3, and two sides of the limiting block 21 are respectively attached to the support 10 and the L-shaped plate 3. When the pull piece is used, the limit block 21, the support 10 and the L-shaped plate 3 are attached and limited, so that the pull piece 13 is prevented from being moved out of the through groove 12.

Example 2:

in conclusion, when the punching machine is used, the workbench 2 is installed on an external punching machine, the workpiece 1 is placed on the limiting plate 22, the lower end of the limiting plate penetrates through the through hole 23 and is arranged between the two L-shaped plates 3, the two shifting pieces 13 are pressed downwards, the two L-shaped plates 3 are driven to rotate through the cooperation of the second rotating shaft 14 and the second sliding groove 16, the first rotating shaft 5 slides in the first sliding groove 11 at the moment until the two L-shaped plates 3 form a U shape, the first spring 4 is in a stretching state at the moment, the two L-shaped plates 3 are tightly attached under the action of the resilience force of the first spring 4, the thrust is generated between the two L-shaped plates 3 and is abutted against the resilience force of the first spring 4, the L-shaped plates 3 are balanced in stress at the moment, the two L-shaped plates 3 are fixed at the position, and the workpiece 1 is clamped through the clamping device; after punching is completed, the shifting sheet 13 is lifted upwards, the two L-shaped plates 3 are made to rotate, the two L-shaped plates 3 continue to rotate under the action of the resilience force of the first spring 4 until the first spring 4 is in a natural state, the two L-shaped plates 3 form a W shape, the clamping device leaves the workpiece 1 at the moment, and the workpiece 1 is taken out of the through hole 23.

Example 3:

in conclusion, when the clamping device is used, two groups of clamping devices are arranged, the two L-shaped plates 3 rotate to enable the two clamping blocks 9 to be close to the workpiece 1, after the clamping blocks 9 are contacted with the workpiece 1, the clamping blocks 9 extrude the second springs 7 to compress the second springs 7, the guide rods 18 move in the guide holes 17 to guide the second springs 7 until the two L-shaped plates 3 form a U shape, the second springs 7 are in a compressed state at the moment, the two clamping blocks 9 are attached to the workpiece 1 to finish clamping, and the two second springs 7 are stressed equally to have the same compression length, so that the center of the workpiece 1 is positioned at the centers of the two groups of clamping devices; when the clamping block 9 needs to be replaced according to different workpieces 1, the nut 20 is taken off from the screw rod 19, the guide rod 18 is taken out from the guide hole 17, the clamping block 9 is replaced, and the clamping block is reassembled according to the reverse operation after replacement.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made herein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A perforating device for fastener production, including work piece (1) and workstation (2), its characterized in that: the workbench (2) is provided with a linkage device and a clamping device, the linkage device comprises L-shaped plates (3) and first springs (4), the number of the L-shaped plates (3) and the number of the first springs (4) are two, the two L-shaped plates (3) are oppositely arranged and are attached to one side of each other, the lower surfaces of the attaching parts are rotatably connected through hinges, the front sides and the rear sides of the two L-shaped plates (3) are respectively provided with a first rotating shaft (5), the two first springs (4) are respectively arranged on the front sides and the rear sides of the two L-shaped plates (3), the two ends of each first spring are respectively provided with a hook (6), and the hooks (6) are rotatably sleeved outside the first rotating shafts (5); clamping device includes second spring (7), presss from both sides tight base (8) and presss from both sides tight piece (9), press from both sides one side of tight piece (9) with work piece (1) outer wall laminating, the opposite side with press from both sides tight base (8) and pass through bolt detachably and connect, the both ends of second spring (7) offset with L template (3) and tight base (8) of clamp respectively.

2. The perforating device for fastener production as recited in claim 1, further comprising: the upper surface of workstation (2) is equipped with support (10), support (10) are provided with two, and set up respectively the both sides of L template (3), be equipped with first spout (11) on support (10), first pivot (5) are rotatable and slidable ground sets up in first spout (11).

3. The perforating device for fastener production as recited in claim 2, further comprising: be equipped with on support (10) and lead to groove (12), be equipped with plectrum (13) in leading to groove (12) slidable, plectrum (13) are close to one side of L template (3) is equipped with second pivot (14), two the upper surface of L template (3) all is equipped with connecting seat (15), all is equipped with second spout (16) on connecting seat (15), second pivot (14) are provided with two, and slidable respectively and rotationally set up two in second spout (16).

4. The perforating device for fastener production as recited in claim 1, further comprising: be equipped with guiding hole (17) on L template (3), be equipped with guide bar (18) in guide hole (17), the one end of guide bar (18) with press from both sides tight base (8) and connect, the other end is equipped with screw rod (19), screw rod (19) external screw thread cover is equipped with nut (20), the one end of nut (20) with guide bar (18) laminating, second spring (7) cover is established outside guide bar (18).

5. The perforating device for fastener production as recited in claim 3, further comprising: the shifting sheet (13) is provided with a limiting block (21), the limiting block (21) is arranged between the support (10) and the L-shaped plate (3), and two sides of the limiting block are respectively attached to the support (10) and the L-shaped plate (3).

6. The perforating device for fastener production as recited in claim 2, further comprising: be equipped with limiting plate (22) on support (10), limiting plate (22) and two support (10) are through bolt detachably connection, be equipped with through-hole (23) on limiting plate (22), work piece (1) passes through-hole (23).

7. The perforating device for fastener production as recited in claim 1, further comprising: be equipped with spacing groove (24) on first pivot (5), couple (6) cover is established in spacing groove (24).