CN224254058U - High-precision stamping device - Google Patents

Abstract

The utility model relates to the technical field of stamping devices and discloses a high-precision stamping device which comprises a base, wherein a U-shaped underframe is arranged in the center of the upper end surface of the base, a lower die is arranged on the upper end surface of the U-shaped underframe, a stamping frame is arranged on the upper end surface of the base and positioned outside the U-shaped underframe and the lower die, a hydraulic cylinder is arranged at the upper end of the stamping frame, an upper die is arranged inside the stamping frame and positioned above the lower die, and driving clamping assemblies are arranged inside and outside the U-shaped underframe. This high-precision stamping device through being provided with drive clamping assembly, and the cylinder work can effectively drive rack horizontal direction round trip movement, and then through gear ring belt drive axis of rotation forward rotation or reverse rotation, through the forward rotation or the reverse rotation of rotating the piece, the push-and-pull rod can promote two perpendicular slide and keep away from each other or push-and-pull rod pulling two perpendicular slide and be close to each other, when two perpendicular slide are close to each other, the accessible splint press from both sides tight strip to guarantee that the strip is in central point, improve product quality.

Description

High-precision stamping device

Technical Field

The utility model relates to the technical field of stamping devices, in particular to a high-precision stamping device.

Background

Stamping is a metal working process in which a sheet, strip, tube, etc. is subjected to pressure by a die and a stamping device to be plastically deformed or separated, thereby obtaining a part of a desired shape, size and performance.

The existing stamping device is in the stamping process of the strip, when the strip without a limiting clamping mechanism on the stamping device moves to the upper end surface of the lower die, the strip cannot be effectively guaranteed to be positioned at the center position, the strip is guaranteed to be stable in position, and when the strip is offset, the size precision and the shape consistency of stamping parts are affected, so that the high-precision stamping device is required to be provided, and the problems are solved.

Disclosure of utility model

In view of the shortcomings of the prior art, the present utility model provides a high precision stamping device that solves the problems noted in the background above.

The utility model provides a high-precision stamping device which comprises a base, wherein a U-shaped underframe is arranged in the center of the upper end surface of the base, a lower die is arranged on the upper end surface of the U-shaped underframe, a stamping frame is arranged on the upper end surface of the base and positioned outside the U-shaped underframe and the lower die, a hydraulic cylinder is arranged at the upper end of the stamping frame, an upper die is arranged inside the stamping frame and positioned above the lower die, the lower end of a piston rod of the hydraulic cylinder penetrates through the upper wall of the stamping frame and is connected with the upper die, and driving clamping assemblies are arranged inside and outside the U-shaped underframe;

The driving clamping assembly comprises two vertical sliding plates and two clamping plates, wherein the two vertical sliding plates are respectively arranged on two sides of the U-shaped underframe, and the two clamping plates are respectively arranged at the upper ends of the inner sides of the two vertical sliding plates.

Preferably, the driving clamping assembly further comprises a cylinder, racks, a rotating shaft and a gear ring, wherein the cylinder is arranged at one end of the upper end surface of the base, perforations are formed in the side walls of two sides of the U-shaped underframe, the racks are arranged inside the U-shaped underframe, and one end of each rack penetrates through each perforation and is connected with the output end of the cylinder.

Preferably, the rotating shaft is arranged inside the U-shaped underframe, the upper end of the rotating shaft is rotationally connected with the upper wall inside the U-shaped underframe, the lower end of the rotating shaft is rotationally connected with the base, the lower end of the outer surface of the rotating shaft is fixedly sleeved with the gear ring, and the gear ring is meshed with the rack.

Preferably, a rotating piece is fixedly sleeved at the upper end of the outer surface of the rotating shaft, and two ends of the rotating piece are rotatably connected with a push-pull rod through a connecting shaft.

Preferably, one end of the push-pull rod, which is far away from the rotating piece, is rotationally connected with a lower connecting rod, the lower end of the vertical sliding plate is connected with the lower connecting rod, and the vertical sliding plate is rotationally connected with the push-pull rod through the lower connecting rod.

Preferably, the U-shaped underframe and two sides of the lower die are provided with guide sliding grooves, and the two vertical sliding plates are respectively and slidably arranged in the two guide sliding grooves.

Preferably, guide posts are arranged at four corners of the upper end surface of the lower die, and guide holes matched with the guide posts are formed at four corners of the upper die.

Preferably, the four corners of the lower end surface of the base are respectively provided with supporting feet.

Compared with the prior art, the utility model has the following beneficial effects:

1. This high-precision stamping device, through being provided with the drive clamping assembly, when the upper end surface of lower mould is arranged in to the strip, work through the cylinder, can effectively drive rack horizontal direction round trip movement, through rack horizontal direction round trip movement, the accessible gear ring is worn to move the forward rotation of axis of rotation or reverse rotation, the axis of rotation rotates and can drive the synchronous rotation of rotating the piece, forward rotation or reverse rotation through rotating the piece, two perpendicular slide of accessible push-pull rod promotion are kept away from each other or two perpendicular slide of push-pull rod pulling are close to each other, when two perpendicular slide are close to each other, the accessible splint clamp strip, and guarantee that the strip is in central point, improve product quality.

2. According to the high-precision stamping device, the guide posts and the guide holes are respectively formed in the lower die and the upper die, and the guide posts can be inserted into the guide holes in the downward moving process of the upper die, so that the effective alignment of the lower die and the upper die is ensured.

Drawings

FIG. 1 is a schematic view of the overall structure of a high-precision stamping device according to the present utility model;

FIG. 2 is a cross-sectional view of a base and U-shaped chassis of the present utility model;

FIG. 3 is a schematic view of the mounting structure of the press frame and hydraulic cylinder of the present utility model;

FIG. 4 is a schematic view of the U-shaped chassis of the present utility model;

FIG. 5 is a schematic view of the driving clamp assembly of the present utility model.

The drawing shows that the drawing comprises a base 1, a U-shaped underframe 2, a perforated hole 201, a lower die 301, a guide post 4, a punching machine frame 5, a hydraulic cylinder 6, an upper die 7, a driving clamping assembly 701, a cylinder 702, a rack 703, a rotating shaft 704, a gear ring 705, a rotating piece 706, a push-pull rod 707, a vertical sliding plate 708, a clamping plate 8 and a guide chute.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-5, a high-precision stamping device comprises a base 1, wherein a U-shaped underframe 2 is arranged in the center of the upper end surface of the base 1, a lower die 3 is arranged on the upper end surface of the U-shaped underframe 2, a stamping frame 4 is arranged on the upper end surface of the base 1 and positioned outside the U-shaped underframe 2 and the lower die 3, a hydraulic cylinder 5 is arranged at the upper end of the stamping frame 4, an upper die 6 is arranged inside the stamping frame 4 and positioned above the lower die 3, and the lower end of a piston rod of the hydraulic cylinder 5 penetrates through the upper wall of the stamping frame 4 and is connected with the upper die 6, and a driving clamping assembly 7 is arranged inside and outside the U-shaped underframe 2;

The driving clamping assembly 7 comprises two vertical sliding plates 707 and clamping plates 708, wherein the two vertical sliding plates 707 and the two clamping plates 708 are respectively arranged on two sides of the U-shaped underframe 2, and the two clamping plates 708 are respectively arranged on the upper ends of the inner sides of the two vertical sliding plates 707.

The driving clamping assembly 7 further comprises an air cylinder 701, a rack 702, a rotating shaft 703 and a gear ring 704, wherein the air cylinder 701 is arranged at one end of the upper end surface of the base 1, through holes 201 are formed in the side walls of two sides of the U-shaped underframe 2, the rack 702 is arranged inside the U-shaped underframe 2, one end of the rack 702 penetrates through the through holes 201 and is connected with the output end of the air cylinder 701, the rotating shaft 703 is arranged inside the U-shaped underframe 2, the upper end of the rotating shaft 703 is rotationally connected with the upper wall inside the U-shaped underframe 2, the lower end of the rotating shaft 703 is rotationally connected with the base 1, the gear ring 704 is fixedly sleeved at the lower end of the outer surface of the rotating shaft 703, the gear ring 704 is meshed with the rack 702, when a strip is placed on the upper end surface of the lower die 3, the strip can effectively drive the rack 702 to move back and forth in the horizontal direction through the operation of the air cylinder 701, and the gear ring 704 can drive the rotating shaft 703 to rotate forward or reversely through the horizontal round trip movement of the rack 702.

The upper end of the outer surface of the rotating shaft 703 is fixedly sleeved with a rotating member 705, both ends of the rotating member 705 are rotationally connected with a push-pull rod 706 through a connecting shaft, one end of the push-pull rod 706 far away from the rotating member 705 is rotationally connected with a lower connecting rod, the lower end of a vertical sliding plate 707 is connected with the lower connecting rod, the vertical sliding plate 707 is rotationally connected with the push-pull rod 706 through the lower connecting rod, the rotating member 705 can be driven to synchronously rotate by rotating the rotating shaft 703, the two vertical sliding plates 707 can be pushed to be far away from each other through the push-pull rod 706 or the two vertical sliding plates 707 can be pulled to be close to each other through the push-pull rod 706, when the two vertical sliding plates 707 are close to each other, a strip can be clamped through a clamping plate 708, the strip is guaranteed to be in a central position, and the quality of the product is improved.

Wherein, guide sliding grooves 8 are respectively arranged on two sides of the U-shaped underframe 2 and the lower die 3, and two vertical sliding plates 707 are respectively and slidably arranged in the two guide sliding grooves 8, and the guide sliding grooves 8 can effectively limit the vertical sliding plates 707, ensure the vertical sliding plates 707 to move forwards and backwards and avoid the position deviation.

Guide posts 301 are arranged at four corners of the upper end surface of the lower die 3, guide holes matched with the guide posts 301 are formed at four corners of the upper die 6, supporting feet are arranged at four corners of the lower end surface of the base 1, and the guide posts 301 and the guide holes are respectively formed on the lower die 3 and the upper die 6, so that the guide posts 301 can be inserted into the guide holes in the downward moving process of the upper die 6, and effective alignment of the lower die 3 and the upper die 6 is ensured.

When the belt material is placed on the upper end surface of the lower die 3, the cylinder 701 works, the rack 702 can be effectively driven to move back and forth in the horizontal direction, the rack 702 can move back and forth in the horizontal direction, the gear ring 704 can drive the rotating shaft 703 to rotate forward or reversely, the rotating shaft 703 can drive the rotating member 705 to rotate synchronously, the push-pull rod 706 can push the two vertical sliding plates 707 to move away from each other or the push-pull rod 706 can push the two vertical sliding plates 707 to move close to each other, when the two vertical sliding plates 707 move close to each other, the clamping plate 708 can clamp the belt material, the belt material is guaranteed to be in the center position, and the product quality is improved.

Further, through being provided with guide chute 8, can effectively play limiting displacement to perpendicular slide 707, guarantee to erect slide 707 back and forth movement, avoid its position offset, through offer guide post 301 and guiding hole respectively on lower mould 3 and last mould 6, in last mould 6 moves down the in-process, guide post 301 can insert the guiding hole, guarantees that lower mould 3 and last mould 6 effectively align.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein 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 (8)

1. The utility model provides a high-precision stamping device, includes base (1), its characterized in that, base (1) upper end surface center is provided with U type chassis (2), U type chassis (2) upper end surface is provided with lower mould (3), base (1) upper end surface just is located U type chassis (2) and lower mould (3) outside and is provided with punching press frame (4), punching press frame (4) upper end is provided with pneumatic cylinder (5), punching press frame (4) are inside and be located lower mould (3) top and be provided with upper mould (6), the piston rod lower extreme of pneumatic cylinder (5) passes punching press frame (4) upper wall and is connected with upper mould (6), U type chassis (2) inside and outside are provided with drive clamping assembly (7);

The driving clamping assembly (7) comprises two vertical sliding plates (707) and two clamping plates (708), wherein the two vertical sliding plates (707) and the two clamping plates (708) are respectively arranged on two sides of the U-shaped underframe (2), and the two clamping plates (708) are respectively arranged at the upper ends of the inner sides of the two vertical sliding plates (707).

2. The high-precision stamping device according to claim 1, wherein the driving clamping assembly (7) further comprises a cylinder (701), a rack (702), a rotating shaft (703) and a gear ring (704), the cylinder (701) is arranged at one end of the upper end surface of the base (1), the two side walls of the two sides of the U-shaped underframe (2) are provided with through holes (201), the rack (702) is arranged inside the U-shaped underframe (2), and one end of the rack (702) penetrates through the through holes (201) and is connected with the output end of the cylinder (701).

3. The high-precision stamping device according to claim 2, wherein the rotating shaft (703) is arranged inside the U-shaped underframe (2), the upper end of the rotating shaft (703) is rotationally connected with the upper wall inside the U-shaped underframe (2), the lower end of the rotating shaft (703) is rotationally connected with the base (1), the gear ring (704) is fixedly sleeved at the lower end of the outer surface of the rotating shaft (703), and the gear ring (704) is meshed with the rack (702).

4. A high-precision stamping device according to claim 3, wherein a rotating member (705) is fixedly sleeved at the upper end of the outer surface of the rotating shaft (703), and both ends of the rotating member (705) are rotatably connected with a push-pull rod (706) through a connecting shaft.

5. The high-precision stamping device according to claim 4, wherein a lower connecting rod is rotatably connected to one end of the push-pull rod (706) away from the rotating member (705), the lower end of the vertical sliding plate (707) is connected to the lower connecting rod, and the vertical sliding plate (707) is rotatably connected to the push-pull rod (706) through the lower connecting rod.

6. The high-precision stamping device according to claim 5, wherein guide sliding grooves (8) are formed in two sides of the U-shaped underframe (2) and the lower die (3), and the two vertical sliding plates (707) are respectively slidably arranged in the two guide sliding grooves (8).

7. The high-precision stamping device according to claim 1, wherein guide posts (301) are arranged at four corners of the upper end surface of the lower die (3), and guide holes matched with the guide posts (301) are formed at four corners of the upper die (6).

8. A high-precision stamping device according to claim 1, characterized in that supporting feet are arranged at four corners of the lower end surface of the base (1).