Ligation operation continuous hairpin forming mold

Abstract

The utility model discloses a ligature operation continuous hairpin forming die. Comprising an upper die and a lower die, the upper die comprises an upper die plate and an upper die forming punch, and the upper die forming punch is arranged on the upper die plate; the lower die comprises a lower die plate, lower die forming inserts, positioning blocks and a material bridge mechanism, a forming area is arranged on the lower die plate, the lower die forming inserts are evenly arranged in the forming area, the positioning blocks and the material bridge mechanism are arranged at the positions, at the two ends of the forming area, of the lower die plate respectively, the material bridge mechanism comprises a material bridge, and the material bridge, the lower die forming inserts and the positioning blocks are flush in height. The two ends of the ligation operation repeating clip are respectively fixed on the positioning block and the material bridge; corresponding upper die forming punches are arranged above the material bridge and each lower die forming insert, gaps among the material bridge, the lower die forming inserts and the corresponding upper die forming punches form a bending working area, and a group of lower die forming inserts and upper die forming punches form a forming unit. According to the utility model, the production efficiency and the product percent of pass are improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the field of ligation operation continuous hairpin production technology, especially relates to a ligation operation continuous hairpin forming die. BACKGROUND

[0002] The ligation operation continuous hairpin is in the production process, and a row of evenly spaced square holes is punched on the surface of the square tubular product. A card is arranged in each square hole and connected with the inner edge of the square hole. In order to facilitate the connection of the continuous hairpin with other components, the card needs to be bent to form a certain angle with the horizontal plane.

[0003] In the existing production process, the card bending is usually performed manually, which not only has low production efficiency, but also has inconsistent bending angles of the card, thereby affecting the product qualification rate. How to design a tooling die for efficiently bending the card is a problem to be solved.

[0004] The information disclosed in the background section of this document is only intended to increase the understanding of the overall background of the present utility model and should not be considered as acknowledging or implying in any form that the information constitutes prior art known to those skilled in the art. UTILITY MODEL CONTENT

[0005] The utility model aims to provide a ligation operation continuous hairpin forming die, so as to overcome the defects in the prior art.

[0006] To achieve the above-mentioned purpose, the utility model provides a ligation operation continuous hairpin forming die, which comprises an upper die and a lower die. The upper die comprises an upper die plate and an upper die forming punch, and the upper die plate is provided with the upper die forming punch. The lower die comprises a lower die plate, a lower die forming insert, a positioning block and a material bridge mechanism. The lower die plate is provided with a forming area, and the forming area is uniformly provided with the lower die forming insert. The lower die plate at both ends of the forming area is respectively provided with the positioning block and the material bridge mechanism. The material bridge mechanism comprises a material bridge, and the material bridge, the lower die forming insert and the positioning block are flush in height. The ligation operation continuous hairpin is fixed at both ends of the positioning block and the material bridge. The upper side of the material bridge and each lower die forming insert is provided with a corresponding upper die forming punch. The gap between the material bridge, the lower die forming insert and the corresponding upper die forming punch forms a bending working area. One set of lower die forming inserts and upper die forming punches form a forming unit. The card in the square hole of the ligation operation continuous hairpin is bent and formed through the cooperation of the material bridge, the lower die forming insert and the corresponding upper die forming punch.

[0007] Preferably, the bottom of the upper die forming punch is provided with a forming head, and the bottom surface of the forming head is a wedge surface.

[0008] Preferably, in the technical scheme, the top of the lower mold forming insert is provided with a forming block, the width of the forming block is adapted to the width of the ligature surgery continuous clip, the top surface of the forming block is provided with a first forming surface and a second forming surface, the bottom surface of the forming head is located above the first forming surface and the second forming surface, the connection between the first forming surface and the second forming surface is in a stepped structure, and the inclination angles of the first forming surface and the second forming surface are matched with the bottom surface of the forming head.

[0009] Preferably, in the technical scheme, the material bridge mechanism comprises a material bridge, a material bridge seat, a main supporting block and a vice supporting block, the material bridge seat, the main supporting block and the vice supporting block are arranged on the lower mold plate, the material bridge is arranged on the material bridge seat, the width of the material bridge is adapted to the width of the ligature surgery continuous clip, the material bridge extends to the forming area, the top surface of the material bridge is provided with a forming groove, the forming groove is located below the corresponding upper mold forming punch, the main supporting block is arranged below the part of the material bridge where the forming groove is located, and the vice supporting block is arranged below the front end of the material bridge; the material bridge is supported by the main supporting block and the vice supporting block to prevent the material bridge from being deformed and broken under pressure.

[0010] Preferably, in the technical scheme, the lower mold further comprises a spring and a material ejecting pin, the top of the spring is provided with the material ejecting pin, and the spring and the material ejecting pin constitute a floating supporting piece; the material bridge seat and each lower mold forming insert are connected with the corresponding floating supporting piece.

[0011] Preferably, in the technical scheme, the positioning block is provided with a positioning pin, and one end of the ligature surgery continuous clip is fixed to the positioning block through the positioning pin.

[0012] Compared with the prior art, the ligature surgery continuous clip forming die has the following beneficial effects:

[0013] The ligature surgery continuous clip forming die can bend the card in the square hole on the surface of the product at one time, the angle of the bent card is consistent, and the production efficiency and the product qualification rate are improved. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 FIG. 1 is a structure schematic view of the ligature surgery continuous clip forming die of the utility model;

[0015] Figure 2 FIG. 2 is a structure schematic view of the lower mold of the ligature surgery continuous clip forming die of the utility model;

[0016] Figure 3 FIG. 3 is a top view of the material bridge mechanism of the utility model;

[0017] Figure 4 FIG. 4 is a bottom view of the material bridge mechanism of the utility model;

[0018] Figure 5 FIG. 5 is a structure schematic view of the forming unit of the utility model;

[0019] Figure 6The utility model discloses a forming die for a ligation operation continuous release clamp. DETAILED DESCRIPTION

[0020] The utility model discloses a specific embodiment of the utility model is described in detail below, but it should be understood that the protection scope of the utility model is not limited by the specific embodiment.

[0021] Unless otherwise explicitly indicated, throughout the specification and claims, the term "comprise" or its variants such as "comprises" or "comprising" will be understood to encompass the stated element or components, but not to exclude other elements or components.

[0022] As Figures 1-2 The utility model discloses a forming die for a ligation operation continuous release clamp, including upper die, lower die, the upper die includes upper die seat 1, upper backing plate 2, upper die plate 3, upper die forming punch 4, material removal plate 5, be provided with upper backing plate 2 on upper die seat 1, be provided with upper die plate 3 on upper backing plate 2, be provided with upper die forming punch 4 and material removal plate 5 on upper die plate 3, the lower die includes lower die seat 6, lower backing plate 7, lower die plate 8, lower die forming insert 9, positioning block 10, material bridge mechanism 11, spring 12, material ejector pin 13, be provided with lower backing plate 7, spring 12, material ejector pin 13 on lower die seat 6, be provided with lower die plate 8 on lower backing plate, be provided with forming area on lower die plate 8, be uniformly provided with lower die forming insert 9 in forming area, be provided with positioning block 10, material bridge mechanism 11 on the both ends lower die plate 8 of forming area respectively, the top of spring 12 is provided with material ejector pin 13, and spring 12 and material ejector pin 13 constitute floating support, and the below of material bridge seat 111 and every lower die forming insert 9 are connected with corresponding floating support, be provided with positioning pin 14 on positioning block 10.Material bridge 110, lower die forming insert 9 and positioning block 10 height are flush, and the both ends of ligation operation continuous release clamp 15 are fixed on positioning pin 14, material bridge 110 respectively, and the above of material bridge 110, every lower die forming insert 9 is provided with corresponding upper die forming punch 4, and the gap between material bridge 110, lower die forming insert 9 and corresponding upper die forming punch 4 forms bending work area.

[0023] As Figure 5 A set of lower die forming inserts 9 and upper die forming punches 4 form a forming unit, the bottom of upper die forming punch 4 is provided with forming head 40, the bottom surface of forming head 40 is a wedge surface, the top of lower die forming insert 9 is provided with forming block 90, the width of forming block 90 is adapted to the width of ligation operation continuous release clamp 15, the top surface of forming block 90 is provided with first forming surface 91 and second forming surface 92, the bottom surface of forming head 40 is located above first forming surface 91 and second forming surface 92, the connection between first forming surface 91 and second forming surface 92 is a stepped structure, and the inclination angles of first forming surface 91 and second forming surface 92 are matched with the bottom surface of forming head 40.

[0024] AsFigures 3-4 As shown, the material bridge mechanism 11 comprises a material bridge 110, a material bridge seat 111, a main support block 112, and a secondary support block 113, the material bridge seat 111, the main support block 112, and the secondary support block 113 are arranged on the lower die plate 8, the material bridge 110 is arranged on the material bridge seat 111, the width of the material bridge 110 is adapted to the width of the ligature surgery continuous clip 15, the material bridge 110 extends to the forming area, the top surface of the material bridge 110 is provided with a forming groove 114, the forming groove 114 comprises a third forming surface 115 and a fourth forming surface 116, the third forming surface 115 and the fourth forming surface 116 are respectively the same in structure as the first forming surface 91 and the second forming surface 92, the forming groove 114 is located below the corresponding upper die forming punch 4, the main support block 112 is arranged below the part of the material bridge 110 where the forming groove 114 is located, and the secondary support block 113 is arranged below the front end of the material bridge 110; the material bridge 110 is supported by the main support block 112 and the secondary support block 113 to prevent the material bridge 110 from being deformed and broken under pressure.

[0025] In use, the operator fixes one end of the ligature surgery continuous clip 15 on the positioning block 10, inserts the material bridge 110 into the other end of the ligature surgery continuous clip 15, and lowers the upper die after the positioning of the ligature surgery continuous clip 15 is completed, so that the upper die forming punch 4 presses the card 16 in the square hole to the corresponding first forming surface 91 and the forming groove 114, the card 16 is bent after being pressed, the upper die is reset after the forming is completed, the ligature surgery continuous clip 15 is separated from the upper die forming punch 4 through the stripping plate 5, and the operator takes down the ligature surgery continuous clip 15 from the positioning block 10 and the material bridge 110. The card 16 in the square hole of the ligature surgery continuous clip 15 is bent and formed through the cooperation of the material bridge 110, the lower die forming insert 9, and the corresponding upper die forming punch 4. The card 16 in the square hole on the surface of the product can be bent at one time through the ligature surgery continuous clip forming die, the angle of the bent card 16 is consistent, and the production efficiency and the product qualification rate are improved.

[0026] The foregoing description of specific exemplary embodiments of the present application is intended to be illustrative only and is not intended to be limiting as to the scope of the present application. Many changes and modifications can be suggested to one skilled in the art having the benefit of the teachings presented herein. It is therefore intended that the scope of the present application be limited only by the scope of the claims set forth below.

Claims

1. A ligature surgical clip forming die characterized by: The application relates to a continuous ligation and surgery clip forming device, which comprises an upper die and a lower die; the upper die comprises an upper die plate and upper die forming punches, and the upper die plate is provided with the upper die forming punches; the lower die comprises a lower die plate, lower die forming inserts, positioning blocks and a material bridge mechanism, the lower die plate is provided with a forming area, the forming area is uniformly provided with the lower die forming inserts, the lower die plate at the two ends of the forming area is respectively provided with the positioning blocks and the material bridge mechanism, the material bridge mechanism comprises a material bridge, the material bridge, the lower die forming inserts and the positioning blocks are in the same height, and the two ends of the continuous ligation and surgery clip are respectively fixed on the positioning blocks and the material bridge; the upper side of the material bridge and each lower die forming insert is provided with a corresponding upper die forming punch, and the gap between the material bridge, the lower die forming inserts and the corresponding upper die forming punch forms a bending working area, and one group of lower die forming inserts and upper die forming punches form a forming unit.

2. The ligature clip forming die of claim 1 wherein: The bottom of the upper die forming punch is provided with a forming head, and the bottom surface of the forming head is a wedge surface.

3. The ligature clip forming die of claim 2 wherein: The top of the lower die forming insert is provided with a forming block, the width of the forming block is adapted to the width of the continuous ligation and surgery clip, the top surface of the forming block is provided with a first forming surface and a second forming surface, the bottom surface of the forming head is located above the first forming surface and the second forming surface, the connecting position of the first forming surface and the second forming surface is in a stepped structure, and the inclination angles of the first forming surface and the second forming surface are matched with the bottom surface of the forming head.

4. The ligature clip forming die of claim 3 wherein: The material bridge mechanism comprises a material bridge, a material bridge seat, a main supporting block and a vice supporting block, the material bridge seat, the main supporting block and the vice supporting block are arranged on the lower die plate, the material bridge is arranged on the material bridge seat, the width of the material bridge is adapted to the width of the continuous ligation and surgery clip, the material bridge extends to the forming area, the top surface of the material bridge is provided with a forming groove, the forming groove is located below the corresponding upper die forming punch, the main supporting block is arranged below the material bridge part where the forming groove is located, and the vice supporting block is arranged below the front end of the material bridge.

5. The ligature surgical stringer swaging die of claim 4 wherein: The lower die further comprises a spring and a material ejecting pin, the top of the spring is provided with the material ejecting pin, the spring and the material ejecting pin constitute a floating supporting piece, the lower side of the material bridge seat and each lower die forming insert is connected with the corresponding floating supporting piece.

6. The ligating surgical clip forming die of claim 1 wherein: The positioning block is provided with a positioning pin, and one end of the continuous ligation and surgery clip is fixed on the positioning block through the positioning pin.

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