CN210112969U

CN210112969U - Clamp for punch press

Info

Publication number: CN210112969U
Application number: CN201922231952.5U
Authority: CN
Inventors: 王张荃
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-12-13
Filing date: 2019-12-13
Publication date: 2020-02-25
Anticipated expiration: 2029-12-13

Abstract

The utility model discloses an anchor clamps for punch press, comprises a workbench, it has T type guide slot to open on the workstation, 1 middle part of workstation is equipped with the mould, the both sides that lie in the mould on the workstation all are equipped with anchor clamps, and anchor clamps set up the T type slider in T type guide slot including sliding, T type slider upper end rigid coupling has the limiting plate that lies in on the workstation up end and close T type guide slot mutually perpendicular and arrange, the limiting plate extension degree direction is opened there is logical groove, it is equipped with the slider of being no less than one to slide in the logical groove, open along length direction on the up end of limiting plate has and leads to the slot hole that the groove is linked together, the slider upper end is rotated and is equipped with the upper end and runs through the adjusting bolt that the slot hole just extended to the limiting plate top, threaded connection has and mould matched with clamp plate on adjusting. Compared with the prior art, the utility model the advantage lie in: the fixing device has the advantages of convenience in fixing the dies with different sizes, simple structure, flexibility and convenience in use and wide application range.

Description

Clamp for punch press

Technical Field

The utility model relates to an anchor clamps technical field specifically indicates an anchor clamps for punch press.

Background

A punching machine is a punching type press machine and mainly aims at plates. Through the mould, can make blanking, punch a hole, shaping, deep-drawing, trimming, essence towards, the plastic, riveting and extruded article etc. wide application in each field. For example, a switch socket, a cup, a cupboard, a dish, a computer case, even a missile aircraft and the like which are used by people can be produced by a punch through a die.

Therefore, the stability of die fixing directly relates to the quality of a stamping part and the service life of a stamping head, the prior traditional die fixing directly fixes the die on a working platform by screws, but when the die is replaced, because the overall dimension of the die has big or small sizes, each set of different dies corresponds to different screw holes when being fixed, more screw holes are required to be arranged on the working platform in advance, the corresponding screw holes are required to be found when the different dies are just replaced and fixed, then the dies are fixed by screws, which is troublesome, and meanwhile, manufacturers cannot simultaneously arrange more screw holes corresponding to the dies with different sizes on a punch press, so that the application range of the die fixing method is smaller, and the other method is that a single arched pressing plate is matched with a T-shaped guide groove reserved on the working platform to fix the die, but four arched pressing plates are usually used when one die is fixed, and the distance between two adjacent arched pressing plates is determined according to two adjacent T-shaped guide grooves reserved on the workbench in advance, so that the use is not flexible and convenient.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to overcome above technical defect, provide an anchor clamps for punch press, conveniently fix the mould of different size dimensions, simple structure, it is nimble convenient to use, accommodation is wider.

In order to solve the technical problem, the utility model provides a technical scheme does: the utility model provides an anchor clamps for punch press, includes the workstation, it has T type guide slot to open on the workstation, 1 middle part of workstation is equipped with the mould, the both sides that lie in the mould on the workstation all are equipped with anchor clamps, and anchor clamps set up the T type slider in T type guide slot including sliding, T type slider upper end rigid coupling has the limiting plate that lies in on the workstation up end and close T type guide slot mutually perpendicular and arrange, the limiting plate extension degree direction is opened has logical groove, it is equipped with the slider of being no less than one to slide in the logical groove, open the slot hole that has and lead to the groove and be linked together along length direction on the up end of limiting plate, the slider upper end is rotated and is equipped with the upper end and runs through the adjusting bolt that the slot hole just extended to the limiting plate top, threaded connection has and mould matched.

Compared with the prior art, the utility model the advantage lie in: when in use, a die needing to be fixed is placed on a workbench, the limiting plates on the two sides of the die are moved to enable the limiting plates on the two sides to be in contact with the corresponding side surfaces of the die, the pressing plate is enabled to be in contact with the upper end surface of the fixed part on the lower part of the die according to the height of the part, extending outwards, of the periphery of the lower part of the die through the adjusting bolt, then the adjusting bolt is continuously rotated by a tool, as the adjusting bolt is rotatably connected with the sliding block, and meanwhile, the pressing plate connected with the adjusting bolt in a threaded manner is limited by the fixed part on the lower part of the die, the pressing plate can not continuously descend, the adjusting bolt drives the sliding block to ascend under the action of the threaded screwing, the limiting plate is driven to ascend after the upper end of the sliding block is connected with the common upper end, then the T-shaped sliding block is driven to, the adjusting bolts are screwed by the plurality of press plates which are connected with the limiting plates on the two sides of the mold in a sliding mode according to the method, so that the mold is fixed between the limiting plates on the two sides by the press plates, meanwhile, the positions of the press plates on the limiting plates can be adjusted according to the size or the position of the mold, the two sides of the mold are uniformly pressed and fixed, the clamp can fix the molds with different sizes, and the clamp is simple in structure, flexible and convenient to use and wide in application range.

As the improvement, the slider is equipped with two, adjusting bolt's lower extreme passes through the bearing and rotates the upper end of connecting at the slider, guarantees to set up 2 clamp plates on the limiting plate of one side, then all compresses tightly the both ends of mould both sides through adjusting clamp plate's position, and this just makes the four corners of mould fixed by while, and it is nimble convenient to use, improves fixed mould's stability, connects through the bearing between adjusting bolt and the slider simultaneously, conveniently twists adjusting bolt.

As an improvement, the middle part of the pressing plate is provided with a threaded hole which is screwed with the adjusting bolt, the adjusting bolt is in threaded connection with the pressing plate, the lower end of the adjusting bolt penetrates through the pressing plate, the bottom surface of one side of the pressing plate, which is in contact with the mold, is fixedly connected with the anti-skidding teeth, the displacement of the pressing plate is controlled by utilizing the principle of threaded connection, the structure is simple, the realization is easy, meanwhile, the pressing plate is connected with the fixed part of the periphery of the lower part of the mold through the anti-skidding teeth, the contact friction force is increased, and.

As the improvement, be clearance fit between T type slider and the T type guide slot, be clearance fit between slider and the logical groove and between adjusting bolt and the slot hole, make things convenient for the displacement of limiting plate and clamp plate, simple structure uses in a flexible way.

Drawings

Fig. 1 is a schematic diagram of the internal structure of the front view of the clamp for punching machine of the present invention.

Fig. 2 is the internal structure schematic diagram of the left view of the clamp for punching machine of the present invention.

As shown in the figure: 1. the device comprises a workbench, 2, T-shaped guide grooves, 3, T-shaped sliding blocks, 4, limiting plates, 5, through holes, 6, sliding blocks, 7, adjusting bolts, 8, long holes, 9, pressing plates, 10, anti-skidding teeth, 11 and a die.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

A clamp for a punch press comprises a workbench 1, a T-shaped guide groove 2 is arranged on the workbench 1, a die 11 is arranged in the middle of the workbench 1, the two sides of the mould 11 on the worktable 1 are provided with clamps which comprise T-shaped slide blocks 3 arranged in the T-shaped guide grooves 2 in a sliding way, a limiting plate 4 which is positioned on the upper end surface of the workbench 1 and is mutually and vertically arranged with the T-shaped guide groove 2 is welded at the upper end of the T-shaped slide block 3, a through groove 5 is arranged in the extension direction of the limit plate 4, at least one sliding block 6 is arranged in the through groove 5 in a sliding manner, the upper end face of the limiting plate 4 is provided with a long hole 8 communicated with the through groove 5 along the length direction, the upper end of the sliding block 6 is rotatably provided with an adjusting bolt 7, the upper end of the adjusting bolt 7 penetrates through the long hole 8 and extends to the position above the limiting plate 4, and a pressing plate 9 matched with the mold 11 is connected to a screw of the adjusting bolt 7 in a threaded manner.

The number of the sliding blocks 6 is two, and the lower ends of the adjusting bolts 7 are rotatably connected to the upper ends of the sliding blocks 6 through bearings.

The middle part of the pressure plate 9 is provided with a threaded hole screwed with the adjusting bolt 7, the adjusting bolt 7 is in threaded connection with the pressure plate 9, the lower end of the adjusting bolt penetrates through the pressure plate 9, and the bottom surface of one side of the pressure plate 9, which is in contact with the mold 11, is fixedly connected with the anti-skid teeth 10.

And the T-shaped sliding block 3 is in clearance fit with the T-shaped guide groove 2, and the sliding block 6 is in clearance fit with the through groove 5 and the adjusting bolt 7 is in clearance fit with the long hole 8.

When the utility model is implemented specifically, when in use, a die needing to be fixed is firstly placed on a workbench, then the limiting plates at the two sides of the die are moved, the T-shaped slide block moves towards the die along the T-shaped guide groove reserved on the punch workbench in advance until the limiting plates at the two sides are contacted with the corresponding side surfaces of the die, then the adjusting bolt is screwed by one hand through the other hand, the adjusting bolt is screwed by the other hand, the pressing plate is adjusted to ascend or descend according to the height of the part to be fixed of the die, and the pressing plate is contacted with the upper end surface of the fixed part at the lower part of the die, then the adjusting bolt is continuously rotated by the die, the rotating direction of the adjusting bolt must make the pressing plate move downwards, at the moment, because the adjusting bolt is rotatably connected with the slide block, the pressing plate which is rotatably connected with the adjusting bolt cannot continuously descend under the limiting position of the fixed part at the lower part of the die, and because the, after the upper end of the sliding block is contacted with the upper end of the through groove, the sliding block drives the limiting plate to ascend, then the limiting plate drives the T-shaped sliding block to ascend, as clearance fit is formed between the T-shaped sliding block and the T-shaped guide groove, when the upper end face of the T-shaped sliding block ascends to be contacted with the upper end face of the T-shaped guide groove, the adjusting bolt cannot be screwed, 4 pressing plates in sliding connection on the limiting plates on two sides of the mold can screw the adjusting bolt according to the method, the mold is fixed between the limiting plates on two sides by the pressing plates, meanwhile, the position of the pressing plate on the limiting plate can be adjusted according to the size or the position of the mold, the four pressing plates on two sides are guaranteed to be respectively located at four corners of the fixed part of the lower portion of the mold, the stress of the weight keeping mold is. Finally, it should be noted that when the four adjusting bolts are screwed, the adjusting bolts at opposite corners are screwed first and are not screwed up at one time as the screws in the prior art, so that the adjusting bolts distributed at four corners are screwed up uniformly, and the stability of fixing the clamp is further improved.

The present invention and the embodiments thereof have been described above, but the description is not limited thereto, and the embodiment shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. In summary, those skilled in the art should understand that they should not be limited to the embodiments described above, and that they can design the similar structure and embodiments without departing from the spirit of the invention.

Claims

1. The utility model provides a anchor clamps for punch press, includes workstation (1), it has T type guide slot (2) to open on workstation (1), workstation (1) middle part is equipped with mould (11), its characterized in that: the two sides of the mould (11) on the workbench (1) are respectively provided with a clamp which comprises a T-shaped slide block (3) arranged in the T-shaped guide groove (2) in a sliding way, the upper end of the T-shaped sliding block (3) is fixedly connected with a limiting plate (4) which is positioned on the upper end surface of the workbench (1) and is mutually and vertically arranged with the T-shaped guide groove (2), a through groove (5) is formed in the limiting plate (4) in the extension direction, at least one sliding block (6) is arranged in the through groove (5) in a sliding manner, a long hole (8) communicated with the through groove (5) is arranged on the upper end surface of the limit plate (4) along the length direction, the upper end of the sliding block (6) is rotatably provided with an adjusting bolt (7) the upper end of which penetrates through the long hole (8) and extends to the upper part of the limiting plate (4), and a screw rod of the adjusting bolt (7) is in threaded connection with a pressing plate (9) matched with the mold (11).

2. The jig for a punch press according to claim 1, characterized in that: the two sliding blocks (6) are arranged, and the lower end of the adjusting bolt (7) is rotatably connected to the upper end of the sliding block (6) through a bearing.

3. The jig for a punch press according to claim 1, characterized in that: the middle part of clamp plate (9) is opened has the screw hole that closes mutually with adjusting bolt (7), adjusting bolt (7) and clamp plate (9) threaded connection, and the lower extreme runs through clamp plate (9), clamp plate (9) have anti-skidding tooth (10) at the one side bottom surface rigid coupling that contacts with mould (11).

4. The jig for a punch press according to claim 1, characterized in that: the T-shaped sliding block (3) and the T-shaped guide groove (2) are in clearance fit, and the sliding block (6) and the through groove (5) as well as the adjusting bolt (7) and the long hole (8) are in clearance fit.