CN210614898U

CN210614898U - Special clamp for punch press

Info

Publication number: CN210614898U
Application number: CN201921266623.8U
Authority: CN
Inventors: 关继德; 李玉蕾
Original assignee: Qingdao Dekai Electrical Equipment Manufacturing Co Ltd
Current assignee: Qingdao Dekai Electrical Equipment Manufacturing Co Ltd
Priority date: 2019-08-07
Filing date: 2019-08-07
Publication date: 2020-05-26
Anticipated expiration: 2029-08-07

Abstract

The utility model belongs to the technical field of the punch press processing equipment, especially, be a special fixture for punch press, comprising a base plate, the top symmetry fixed mounting of bottom plate has two linkage plates, the top of bottom plate is equipped with the machined part, fixed mounting has first pneumatic cylinder on the linkage plate, the top symmetry slidable mounting of bottom plate has two sliding seats, the output shaft of first pneumatic cylinder run through linkage plate and with sliding seat fixed connection, the output shaft and the linkage plate swing joint of first pneumatic cylinder. The utility model relates to a rationally, just can be swift through the threaded rod that sets up and the position to fixed block and splint adjust to reliably fix the machined part through first pneumatic cylinder and second pneumatic cylinder, make the application scope of this device just wide, need not to do different anchor clamps again, alleviateed work load, reduced the processing cost, make the economic benefits of enterprise obtain increasing.

Description

Special clamp for punch press

Technical Field

The utility model relates to a punch press processing equipment technical field especially relates to a punch press special fixture.

Background

The punch press is a stamping type press, in national production, the stamping process has the advantages of material and energy saving, high efficiency, low technical requirement on operators and capability of making products which cannot be machined through various die applications due to the fact that compared with the traditional machining, the stamping process has the advantages that the application is more and more extensive, and when the punch press is used for machining objects, a special clamping device is usually used for clamping the objects and stamping the objects.

However, most of the traditional stamping clamps are single, one clamp can only clamp and position one type of machined part, the application range is small, when the machined parts with different sizes are required to be subjected to stamping forming, the machined parts are required to be clamped and fixed by additionally manufacturing the clamp, the clamp is troublesome, the machining cost is improved, the delivery date is prolonged, and the economic benefit of enterprises is greatly reduced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a special clamp for a punching machine.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a special clamp for a punch press comprises a bottom plate, wherein two connecting plates are symmetrically and fixedly mounted at the top of the bottom plate, a workpiece is arranged at the top of the bottom plate, a first hydraulic cylinder is fixedly mounted on the connecting plates, two sliding seats are symmetrically and slidably mounted at the top of the bottom plate, an output shaft of the first hydraulic cylinder penetrates through the connecting plates and is fixedly connected with the sliding seats, the output shaft of the first hydraulic cylinder is movably connected with the connecting plates, a cavity is formed in each sliding seat, a threaded rod is rotatably mounted in each cavity, the top end of each threaded rod extends out of the corresponding sliding seat, a connecting column is slidably mounted in each cavity, a threaded hole is formed in each connecting column, each threaded rod penetrates through each threaded hole and is screwed with the inner wall of each threaded hole, one end, close to the workpiece, of each connecting column extends out of the corresponding sliding, the connecting plate is close to one side fixed mounting of machined part and has the fixed block, one side fixed mounting that the connecting plate is close to the machined part has two fixed plates, fixed mounting has the second pneumatic cylinder on the fixed plate, the output shaft of second pneumatic cylinder runs through fixed plate and fixed mounting has splint, the output shaft and the fixed plate swing joint of second pneumatic cylinder.

Preferably, the top fixed mounting of two linkage plates has same roof, the drain hole has been seted up on the roof, seted up on the bottom plate and avoided the mouth, the slide holder is close to one side of machined part and seted up the rectangle frame mouth that is linked together with the cavity, the spliced pole run through the rectangle frame mouth and with the inner wall sliding connection of rectangle frame mouth.

Preferably, two first chutes are formed in the top of the bottom plate, first sliding blocks are slidably mounted in the first chutes, and the tops of the first sliding blocks extend out of the first chutes and are fixedly connected with the sliding seats.

Preferably, a second sliding groove is formed in the inner wall of one side, away from the workpiece, of the cavity, a second sliding block is arranged in the second sliding groove in a sliding mode, and one side, close to the connecting column, of the second sliding block extends out of the second sliding groove and is fixedly connected with the connecting column.

Preferably, the bearing holes are formed in the top and the inner wall of the bottom of the cavity, the threaded rod is fixedly sleeved with the two bearings, the inner walls of the two bearing holes are fixedly connected with the outer rings of the two bearings respectively, and the top end of the threaded rod is fixedly provided with the rotating handle.

Preferably, the connecting plate is provided with a first through hole, an output shaft of the first hydraulic cylinder penetrates through the first through hole and is movably connected with the inner wall of the first through hole, the fixing plate is provided with a second through hole, and an output shaft of the second hydraulic cylinder penetrates through the second through hole and is movably connected with the inner wall of the second through hole.

Compared with the prior art, the beneficial effects of the utility model are that: firstly, the device is matched with a connecting plate through a bottom plate, a connecting plate, a workpiece, a sliding seat, a cavity, a threaded rod, a connecting column, a threaded hole and the connecting plate, when the device is used, the workpiece is placed on the bottom plate, then the rotating handle is rotated, the threaded rod drives the connecting column to rotate, the connecting plate is enabled to move up and down, and the accurate position of the connecting plate is adjusted according to the height and the punching position of the workpiece;

when the stamping die is used, the first hydraulic cylinders are started, the output shafts of the two first hydraulic cylinders extend out, the two sliding seats move oppositely until the left side and the right side of the workpiece are reliably fixed by the fixing blocks, then the second hydraulic cylinders are started, the output shafts of the four first hydraulic cylinders extend out, and the front side and the rear side of the workpiece are reliably fixed by the four clamping plates, so that stamping work can be carried out;

the utility model relates to a rationally, just can be swift through the threaded rod that sets up and the position to fixed block and splint adjust to reliably fix the machined part through first pneumatic cylinder and second pneumatic cylinder, make the application scope of this device just wide, need not to do different anchor clamps again, alleviateed work load, reduced the processing cost, make the economic benefits of enterprise obtain increasing.

Drawings

Fig. 1 is a schematic view of the structure of the present invention;

FIG. 2 is an enlarged schematic view of the structure at A in FIG. 1;

fig. 3 is a schematic top view of the middle connection plate and the fixing plate of the present invention.

In the figure: 1. a base plate; 2. a connector tile; 3. a first hydraulic cylinder; 4. processing a workpiece; 5. a sliding seat; 6. a chamber; 7. a threaded rod; 8. connecting columns; 9. a threaded hole; 10. a connecting plate; 11. a fixed block; 12. a fixing plate; 13. a second hydraulic cylinder; 14. a splint; 15. a top plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 to fig. 3, the present invention provides a technical solution: a special clamp for a punching machine comprises a bottom plate 1, wherein two connecting plates 2 are symmetrically and fixedly installed at the top of the bottom plate 1, a machined part 4 is arranged at the top of the bottom plate 1, a first hydraulic cylinder 3 is fixedly installed on each connecting plate 2, two sliding seats 5 are symmetrically and slidably installed at the top of the bottom plate 1, an output shaft of the first hydraulic cylinder 3 penetrates through each connecting plate 2 and is fixedly connected with the corresponding sliding seat 5, an output shaft of the first hydraulic cylinder 3 is movably connected with the corresponding connecting plate 2, a cavity 6 is formed in each sliding seat 5, a threaded rod 7 is rotatably installed in each cavity 6, the top end of each threaded rod 7 extends out of the corresponding sliding seat 5, a connecting column 8 is slidably installed in each cavity 6, a threaded hole 9 is formed in each connecting column 8, each threaded rod 7 penetrates through the corresponding threaded hole 9 and is screwed with the inner wall of the corresponding threaded hole 9, one end, close to, a fixed block 11 is fixedly arranged on one side of the connecting plate 10 close to the workpiece 4, two fixed plates 12 are fixedly arranged on one side of the connecting plate 10 close to the workpiece 4, a second hydraulic cylinder 13 is fixedly arranged on the fixed plates 12, an output shaft of the second hydraulic cylinder 13 penetrates through the fixed plates 12 and is fixedly provided with a clamping plate 14, and an output shaft of the second hydraulic cylinder 13 is movably connected with the fixed plates 12;

the top parts of the two connecting plates 2 are fixedly provided with the same top plate 15, the top plate 15 is provided with a discharge hole, the bottom plate 1 is provided with an avoiding opening, one side of the sliding seat 5 close to the workpiece 4 is provided with a rectangular frame opening communicated with the cavity 6, the connecting column 8 penetrates through the rectangular frame opening and is in sliding connection with the inner wall of the rectangular frame opening, the top part of the bottom plate 1 is provided with two first sliding chutes, the first sliding chutes are internally and slidably provided with first sliding blocks, the top parts of the first sliding blocks extend out of the first sliding chutes and are fixedly connected with the sliding seat 5, the inner wall of one side of the cavity 6 far away from the workpiece 4 is provided with a second sliding chute, the second sliding chute is internally and slidably provided with a second sliding block, one side of the second sliding block close to the connecting column 8 extends out of the second sliding chute and is fixedly connected with the connecting column 8, the inner walls of the two bearing holes are respectively fixedly connected with the outer rings of the two bearings, the top end of the threaded rod 7 is fixedly provided with a rotating handle, the connecting plate 2 is provided with a first through hole, the output shaft of the first hydraulic cylinder 3 penetrates through the first through hole and is movably connected with the inner wall of the first through hole, the fixed plate 12 is provided with a second through hole, the output shaft of the second hydraulic cylinder 13 penetrates through the second through hole and is movably connected with the inner wall of the second through hole, the bottom plate 1, the connecting plate 2, the machined part 4, the sliding seat 5, the cavity 6, the threaded rod 7, the connecting column 8, the threaded hole 9 and the connecting plate 10 are matched, when the connecting device is used, the machined part 4 is placed on the bottom plate 1, then the rotating handle is rotated, the threaded rod 7 drives the connecting column 8 to rotate, the connecting plate 10 is made to move up and down, the accurate, The processing piece 4, the connecting plate 10, the fixing block 11, the fixing plate 12, the second hydraulic cylinder 13 and the clamping plate 14 are matched, when the device is used, the first hydraulic cylinder 3 is started, the output shafts of the two first hydraulic cylinders 3 extend out, the two sliding seats 5 move oppositely until the fixing block 11 reliably fixes the left side and the right side of the processing piece 4, then the second hydraulic cylinder 13 is started, the output shafts of the four first hydraulic cylinders 13 extend out, and the four clamping plates 14 reliably fix the front side and the rear side of the processing piece 4, so that the punching work can be carried out, the device has reasonable design, can quickly adjust the positions of the fixing block 11 and the clamping plates 14 through the arranged threaded rod 7 and the connecting column 8, and reliably fixes the processing piece 4 through the first hydraulic cylinder 3 and the second hydraulic cylinder 13, so that the device has wide application range, does not need to be used for different clamps again, lightens the, the economic benefit of enterprises is increased.

The working principle is as follows: when in use, the workpiece 4 is firstly placed on the bottom plate 1 through the discharge hole, then the rotating handle is rotated, so that the threaded rod 7 starts to rotate, the threaded rod 7 drives the connecting post 8 to start to rotate, and the connecting plate 10 is driven to move up and down, then the precise position of the connecting plate 10 is adjusted by turning the turning handle according to the height and punching position of the workpiece 4, and then the first hydraulic cylinders 3 are started, the output shafts of the two first hydraulic cylinders 3 are extended, so that the two sliding seats 5 start to move towards each other until the two fixed blocks 11 contact the left side and the right side of the workpiece 4 and reliably fix the workpiece, then, by actuating the second hydraulic cylinders 13, the output shafts of the four first hydraulic cylinders 13 are extended, so that the four clamp plates 14 come into contact with the front and rear sides of the workpiece 4 and securely fix it, at this time, the workpiece 4 can be punched, and the discharge port can discharge materials and can ensure that the punching part of the punch can reliably pass through and punch the workpiece 4.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a punch press special fixture, includes bottom plate (1), its characterized in that: the top symmetry fixed mounting of bottom plate (1) has two linkage plate (2), the top of bottom plate (1) is equipped with machined part (4), fixed mounting has first pneumatic cylinder (3) on linkage plate (2), the top symmetry slidable mounting of bottom plate (1) has two sliding seats (5), the output shaft of first pneumatic cylinder (3) runs through linkage plate (2) and with sliding seat (5) fixed connection, the output shaft and the linkage plate (2) swing joint of first pneumatic cylinder (3), set up cavity (6) on sliding seat (5), threaded rod (7) are installed to the internal rotation in cavity (6), the top of threaded rod (7) extends to outside sliding seat (5), slidable mounting has spliced pole (8) in cavity (6), set up threaded hole (9) on spliced pole (8), threaded rod (7) run through threaded hole (9) and cooperate with the inner wall of screw hole (9) mutually, one end that spliced pole (8) are close to machined part (4) extends to sliding seat (5) and fixed mounting has connecting plate (10) outward, spliced pole (8) and sliding seat (5) sliding connection, one side fixed mounting that connecting plate (10) are close to machined part (4) has fixed block (11), one side fixed mounting that connecting plate (10) are close to machined part (4) has two fixed plates (12), fixed mounting has second pneumatic cylinder (13) on fixed plate (12), the output shaft of second pneumatic cylinder (13) runs through fixed plate (12) and fixed mounting has splint (14), the output shaft and fixed plate (12) swing joint of second pneumatic cylinder (13).

2. The special fixture for punching machine according to claim 1, wherein: the top fixed mounting of two linkage plate (2) has same roof (15), the drain hole has been seted up on roof (15), seted up on bottom plate (1) and avoided the mouth, the rectangle frame mouth that is linked together with cavity (6) is seted up to one side that sliding seat (5) are close to machined part (4), spliced pole (8) run through the rectangle frame mouth and with the inner wall sliding connection of rectangle frame mouth.

3. The special fixture for punching machine according to claim 1, wherein: two first chutes are formed in the top of the bottom plate (1), first sliding blocks are arranged in the first chutes in a sliding mode, and the tops of the first sliding blocks extend out of the first chutes and are fixedly connected with the sliding seats (5).

4. The special fixture for punching machine according to claim 1, wherein: and a second sliding groove is formed in the inner wall of one side, away from the workpiece (4), of the cavity (6), a second sliding block is arranged in the second sliding groove in a sliding mode, and one side, close to the connecting column (8), of the second sliding block extends out of the second sliding groove and is fixedly connected with the connecting column (8).

5. The special fixture for punching machine according to claim 1, wherein: bearing holes are formed in the top and the inner wall of the bottom of the cavity (6), two bearings are fixedly arranged on the threaded rod (7) in a fixed sleeve mode, the inner walls of the two bearing holes are fixedly connected with the outer rings of the two bearings respectively, and a rotating handle is fixedly mounted at the top end of the threaded rod (7).

6. The special fixture for punching machine according to claim 1, wherein: the connecting plate (2) is provided with a first through hole, an output shaft of the first hydraulic cylinder (3) penetrates through the first through hole and is movably connected with the inner wall of the first through hole, the fixing plate (12) is provided with a second through hole, and an output shaft of the second hydraulic cylinder (13) penetrates through the second through hole and is movably connected with the inner wall of the second through hole.