CN218693035U

CN218693035U - Punching device with high machining precision

Info

Publication number: CN218693035U
Application number: CN202222996083.7U
Authority: CN
Inventors: 沈继明; 庄雪丽
Original assignee: Shanghai Jiuxuan Machinery Equipment Co ltd
Current assignee: Shanghai Jiuxuan Machinery Equipment Co ltd
Priority date: 2022-11-10
Filing date: 2022-11-10
Publication date: 2023-03-24
Anticipated expiration: 2032-11-10

Abstract

The utility model relates to a punching device that machining precision is high in punching device technical field, comprises a workbench, the top surface of workstation is equipped with the roof fixed by the support column, the top surface center department of roof is inserted and is equipped with the punching press head, four the crossing department of magnetic slot is inserted and is equipped with the ball with magnetic slot inner wall sliding connection, the top surface of ball is inserted and is equipped with the bull stick, the top surface fixed mounting of bull stick has the centre gripping subassembly. Roll the ball that has the bull stick at the magnetic channel inner wall through setting up, and fix the centre gripping subassembly on bull stick top, can make the centre gripping subassembly have along the long direction effect of removing of magnetic channel, set up the positive hydraulic stem of workstation surface and centre gripping subassembly simultaneously, can make the flexible end of hydraulic stem when stretching out, directly promote the top surface at the workstation with the centre gripping subassembly, reduce manual operation, the device's setting, can make the work piece after punching a hole, directly through promoting the centre gripping subassembly, carry out the displacement transposition, be convenient for punch a hole to the next point of punching a hole.

Description

Punching device with high machining precision

Technical Field

The utility model relates to a punching device technical field especially relates to a punching device that machining precision is high.

Background

The punching machine is a mechanical device which is driven by a power mechanism to enable a punching die to act on a material after the raw material is installed, and can perform the operation of forcing metal to enter the die, such as sheet processing, punching, die pressing, embossing and the like; when punching device used at present, need use anchor clamps to carry out the centre gripping to the work piece, guarantee, reduce the error after the work piece processing through the accurate positioning of anchor clamps, fix a position through the manual work at present, its accuracy is lower.

The high-precision punching die disclosed in the Chinese patent with the publication number of CN214488490U comprises an upper die and a lower die, wherein a pressure plate is arranged between the upper die and the lower die, the upper die is provided with a connecting rod, the pressure plate is connected with the upper die through the connecting rod, a punching part is movably arranged on the pressure plate in a penetrating mode, a positioning device is arranged on the upper surface of the lower die, the center line of the positioning device is overlapped with the center line of the punching part, and a workpiece is sleeved on the positioning device.

SUMMERY OF THE UTILITY MODEL

To the problem, the utility model provides a punching device that machining precision is high has the work piece that can make after punching a hole, directly through promoting the centre gripping subassembly, carries out the displacement transposition, is convenient for punch a hole to the next point of punching a hole.

The technical scheme of the utility model is that:

the utility model provides a punching device that machining precision is high, includes the workstation, the top surface of workstation is equipped with the roof fixed by the support column, the top surface center department of roof is inserted and is equipped with the punching press head, and the flexible end of punching press head runs through the top fixed mounting that the roof extends to the workstation and has a cut-out press, four magnetic grooves have been seted up to the upper surface of workstation, four the crossing department in magnetic groove inserts and is equipped with the ball with magnetic groove inner wall sliding connection, the top surface of ball is inserted and is equipped with the bull stick, the top surface fixed mounting of bull stick has the centre gripping subassembly, workstation surface fixed mounting has four backing plates, the top of backing plate has the hydraulic stem through bracing piece fixed mounting, and four the flexible end of hydraulic stem all faces towards the surface of centre gripping subassembly.

In a further technical scheme, the centre gripping subassembly is including fixing the tray on bull stick top, and the flexible end of hydraulic stem is just to the surface of tray, four adjustment tanks have been seted up to the upper surface of tray, the inner wall fixed mounting of adjustment tank has the fixed column, the pot head that the fixed column is close to tray center department is equipped with the second sliding sleeve, the top surface fixed mounting of second sliding sleeve has splint, four the opposite face of splint has all been seted up and has been filled up the groove, the side that the bull stick center department was kept away from to the second sliding sleeve is equipped with the first sliding sleeve through connecting block fixed connection, be equipped with the cover between first sliding sleeve and the adjustment tank inner wall and establish the compression spring at the fixed column surface.

In a further technical scheme, the four adjusting grooves form forty-five degree included angles with the center of the tray.

In a further technical scheme, a clamping groove is formed in the inner wall of the magnetic groove, and the outer surface of the ball is rotatably connected with the inner wall of the clamping groove.

In a further technical scheme, a groove is formed in the top surface of the ball, a bearing is fixedly mounted on the inner wall of the groove, and the bottom end of the rotating rod is fixed to the inner wall of the bearing.

In a further technical scheme, the connecting block is made of steel and is U-shaped.

In a further technical scheme, one end of the telescopic end face of the hydraulic rod facing the tray is fixedly provided with a rubber anti-skid pad.

The utility model has the advantages that:

1. the device has the advantages that through the arrangement of the ball rolling on the inner wall of the magnetic groove and provided with the rotating rod and the clamping assembly fixed at the top end of the rotating rod, the clamping assembly can have the effect of moving along the length direction of the magnetic groove, meanwhile, the hydraulic rod opposite to the outer surface of the workbench and the clamping assembly is arranged, so that when the telescopic end of the hydraulic rod extends out, the clamping assembly can be directly pushed to the top surface of the workbench, manual operation is reduced, and through the arrangement of the device, a punched workpiece can be directly shifted and replaced by pushing the clamping assembly, and punching of the next punching point is facilitated;

2. through setting up four splint that have the pad groove, can make the work piece by the centre gripping in four relative pad grooves, the compression spring on fixed column surface is located between the inner wall of first sliding sleeve and adjustment tank simultaneously, can make four second sliding sleeves all have elasticity extrusion compression spring's effect to be convenient for let splint adjust the work piece size of centre gripping.

Drawings

Fig. 1 is a schematic overall structure diagram of an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a tray according to an embodiment of the present invention;

FIG. 3 is a schematic side view of a magnetic slot according to an embodiment of the present invention;

FIG. 4 is a schematic view of an assembly structure of the clamping plate, the sliding sleeve and the connecting block according to the embodiment of the present invention;

fig. 5 is a schematic view of an assembly structure of the ball and the rotating rod according to the embodiment of the present invention.

Description of reference numerals:

1. a work table; 2. a top plate; 3. punching a head; 4. a magnetic slot; 5. a ball bearing; 6. a rotating rod; 7. a base plate; 8. a support bar; 9. a hydraulic lever; 10. a rubber non-slip mat; 11. a tray; 12. an adjustment groove; 13. fixing a column; 14. a first sliding sleeve; 15. a second sliding sleeve; 16. a splint; 17. a pad groove; 18. connecting blocks; 19. a compression spring; 20. a clamping groove; 21. a groove; 22. and (5) a bearing.

Detailed Description

The following describes embodiments of the present invention with reference to the drawings.

Example (b):

as shown in fig. 1-5, a punching apparatus with high processing precision includes a workbench 1, a top surface of the workbench 1 is provided with a top plate 2 fixed by a support column, a punching head 3 is inserted at a center of a top surface of the top plate 2, and a telescopic end of the punching head 3 penetrates through the top plate 2 and extends to a top of the workbench 1 to be fixedly provided with a punching die, the upper surface of the workbench 1 is provided with four magnetic grooves 4, a ball 5 slidably connected with an inner wall of the magnetic groove 4 is inserted at an intersection of the four magnetic grooves 4, a rotating rod 6 is inserted at a top surface of the ball 5, a tray 11 is fixedly installed at the top surface of the rotating rod 6, four adjusting grooves 12 are provided at the upper surface of the tray 11, a fixed column 13 is fixedly installed at an inner wall of the adjusting grooves 12, one end of the fixed column 13 close to the center of the tray 11 is provided with a second sliding sleeve 15, a clamping plate 16 is fixedly installed at the top surface of the second sliding sleeve 15, opposite faces of the four clamping plates 16 are provided with pad grooves 17, a side face of the second sliding sleeve 15 far away from the center of the rotating rod 6 is provided with a first sliding sleeve 14 fixedly connected by a connecting block 18, a compression spring plate 19 is provided between the inner wall of the first sliding sleeve 14 and the inner wall of the adjusting groove 12, a compression sleeve, an outer surface of the clamping plate 13 of the outer surface of the hydraulic rod 7 of the hydraulic plate 7, and an end of the hydraulic rod 7 of the hydraulic rod 1 is provided with a support rod 9, and the hydraulic rod 9 of the hydraulic rod 9.

The working principle of the above technical scheme is as follows:

when the punching device is used, the four clamping plates 16 move towards one side far away from the center of the tray 11, the second sliding sleeve 15 and the first sliding sleeve 14 move on the inner wall of the adjusting groove 12 to press the compression spring 19, the clamping plates 16 have the force of returning to the center of the tray 11, when the distance after the four clamping plates 16 move respectively is larger than the size of a workpiece, the workpiece is placed at the center of the top surface of the tray 11, the four clamping plates 16 are all relatively close to each other under the returning elasticity of the compression spring 19, the workpiece is clamped at the surface pad groove 17 of each clamping plate 16, the punching head 3 can be driven to punch the workpiece, after a vacant position is punched, one of the hydraulic rods 9 is driven, the telescopic end pushes the tray 11 to approach the other hydraulic rod 9, the pushing distance of the hydraulic rod 9 can be adjusted according to the next punching point, when the tray 11 moves, the lower surface moves on the upper surface of the workbench 1, then the ball 5 slides on the inner wall of the magnetic groove 4, and after the movement is finished, the punching head 3 can be driven again to push the surface of the workpiece, and the punching device can have the automatic displacement effect.

In another embodiment, as shown in FIG. 2, four adjustment slots 12 are each angled forty-five degrees from the center of the tray 11.

When clamping the workpiece, the clamping plate 16 arranged at an included angle of forty-five degrees with the center of the tray 11 can stably clamp the circular and polygonal workpieces, and the situation that the edge has no limiting supporting force when the polygon which can only be used for placing and punching holes is fixed is avoided.

In another embodiment, as shown in fig. 3, the inner wall of the magnetic groove 4 is opened with a holding groove 20, and the outer surface of the ball 5 is rotatably connected with the inner wall of the holding groove 20.

When the ball 5 rolls, the ball completely fits the inner wall of the clamping groove 20, and the stability is ensured.

In another embodiment, as shown in fig. 5, the top surface of the ball 5 is provided with a groove 21, a bearing 22 is fixedly mounted on the inner wall of the groove 21, and the bottom end of the rotating rod 6 is fixed on the inner wall of the bearing 22.

When carrying out the displacement to tray 11, can rotate tray 11 after the displacement simultaneously, can rotate tray 11 by the manual work, let ball 5 card in the inner wall of centre gripping groove 20, support tray 11 by bull stick 6 and rotate, guarantee to punch a hole to different positions.

In another embodiment, as shown in FIG. 4, the connecting block 18 is made of steel, and the connecting block 18 is U-shaped.

When the second sliding sleeve 15 and the first sliding sleeve 14 are used, the clamping of the clamping plate 16 on the workpiece can cause the second sliding sleeve 15 to be pressed towards the compression spring 19, and the clamping stability of the clamping plate 16 can be achieved under the supporting connection of the connecting block 18.

In another embodiment, as shown in fig. 2, a rubber mat 10 is fixedly mounted on the end of the telescopic end surface of the hydraulic rod 9 facing the tray 11.

When utilizing hydraulic stem 9 to promote tray 11, the surface that can prevent tray 11 is worn and torn in the setting of rubber slipmat 10, because tray 11 needs continuous adjustment position, can have more contact with the flexible end of hydraulic stem 9, and metal touching metal can produce the friction, and the setting of rubber slipmat 10 can make the surface of tray 11 avoid wearing and tearing.

The above embodiments only express the specific embodiments of the present invention, and the description thereof is specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention.

Claims

1. The utility model provides a punching device that machining precision is high, includes workstation (1), the top surface of workstation (1) is equipped with roof (2) fixed by the support column, the top surface center department of roof (2) inserts and is equipped with punching press head (3), and the flexible end of punching press head (3) runs through roof (2) and extends to the top fixed mounting of workstation (1) and has a cut-out press, its characterized in that: four magnetic grooves (4) have been seted up to the upper surface of workstation (1), four the crossing department of magnetic groove (4) is inserted and is equipped with ball (5) with magnetic groove (4) inner wall sliding connection, the top surface of ball (5) is inserted and is equipped with bull stick (6), the top surface fixed mounting of bull stick (6) has the centre gripping subassembly, workstation (1) surface fixed mounting has four backing plates (7), the top of backing plate (7) is through bracing piece (8) fixed mounting have hydraulic stem (9), and four the surface towards the centre gripping subassembly is all faced to the flexible end of hydraulic stem (9).

2. The punching apparatus with high processing accuracy according to claim 1, wherein: centre gripping subassembly is including fixing tray (11) on bull stick (6) top, and the flexible end of hydraulic stem (9) is just to the surface of tray (11), four adjustment tank (12) have been seted up to the upper surface of tray (11), the inner wall fixed mounting of adjustment tank (12) has fixed column (13), a pot head that fixed column (13) are close to tray (11) center department is equipped with second sliding sleeve (15), the top surface fixed mounting of second sliding sleeve (15) has splint (16), four pad groove (17) have all been seted up to the opposite face of splint (16), a side that bull stick (6) center department was kept away from in second sliding sleeve (15) is equipped with first sliding sleeve (14) through connecting block (18) fixed connection, be equipped with between first sliding sleeve (14) and adjustment tank (12) inner wall and establish compression spring (19) at fixed column (13) surface.

3. The punching apparatus with high processing accuracy according to claim 2, characterized in that: the four adjusting grooves (12) form forty-five degree included angles with the center of the tray (11).

4. A punching apparatus with high processing accuracy according to claim 1, wherein: the inner wall of the magnetic groove (4) is provided with a clamping groove (20), and the outer surface of the ball (5) is rotationally connected with the inner wall of the clamping groove (20).

5. A punching apparatus with high processing accuracy according to claim 1, wherein: the top surface of the ball (5) is provided with a groove (21), the inner wall of the groove (21) is fixedly provided with a bearing (22), and the bottom end of the rotating rod (6) is fixed on the inner wall of the bearing (22).

6. A punching apparatus with high processing accuracy according to claim 2, wherein: the connecting block (18) is made of steel, and the connecting block (18) is U-shaped.

7. A punching apparatus with high processing accuracy according to claim 1, wherein: and a rubber anti-skid pad (10) is fixedly arranged at one end, facing the tray (11), of the telescopic end surface of the hydraulic rod (9).