Shearing anti-floating structure and automobile connector forming die

Abstract

The utility model discloses a shearing anti-floating structure and an automobile connector forming die, relates to the technical field of progressive dies, and adopts the technical scheme that the shearing anti-floating structure comprises an upper die and a lower die, a punch for shearing is arranged between the upper die and the lower die, and the shearing anti-floating structure further comprises an anti-floating structure used for preventing a sheared workpiece from floating and arranged on a lower die insert core of the lower die, the anti-floating structure comprises anti-floating grooves which are arranged corresponding to the position of waste materials on the workpiece to be sheared, and the anti-floating grooves are at least arranged on the two sides of the position of the waste materials. The cutting structure has the beneficial effects that the cutting structure in the scheme can be used for shearing and forming high-hardness materials. By means of the anti-floating groove and the drainage structure, the material floating problem possibly occurring when high-hardness and small-size parts are sheared is solved, so that the product quality and the production efficiency are improved, and the requirements of customers are met.

Description

Technical Field

[0001] The utility model relates to the technical field of continuous molds, in particular to a shearing anti-floating structure and an automobile connector forming mold. Background Art

[0002] With the continuous development of the automobile industry in modern society, people have higher and higher requirements for the safety, environmental protection, comfort, and intelligence of automobiles. Automobile connectors are a kind of component that electronic engineering technicians often come into contact with. Its function is to build a bridge of communication between blocked or isolated circuits in the circuit, so that the current can flow and the circuit can achieve the predetermined function. There are nearly a hundred types of connectors needed for general automobiles, and there are about hundreds of connectors used for a single model. With the increasing application of automotive electronic products, the number of automotive connector applications will show a geometric growth. For this reason, we designed the molding structure of this project, which can fully meet the customer's requirements for products and meet the needs of the market.

[0003] In the manufacture of automotive connectors, high-hardness materials are used as raw materials for connection. When processing this type of material, the connector itself is small in size, which increases the difficulty of processing. For example, if the product material is SUS301-EH stainless steel, the hardness is as high as 520HV, and the parts are easy to break. When the product is stamped and sheared, it is easy for the floating material to cause the product to be crushed and deformed. Utility Model Content

[0004] In view of one of the deficiencies of the prior art, the utility model provides a shearing anti-floating structure and an automobile connector forming die, which solve the problem of stamping and shearing of high-hardness materials and processing of automobile connectors.

[0005] To achieve the above purpose, the utility model provides the following technical solutions: a shearing anti-floating structure, comprising an upper die and a lower die, a shearing punch is arranged between the upper die and the lower die, and further comprising:

[0006] The anti-floating structure is used to prevent the sheared workpiece from floating. The anti-floating structure is arranged on the lower die insert of the lower die. The anti-floating structure includes:

[0007] The anti-floating groove is arranged corresponding to the position of the waste material on the workpiece to be sheared, and the anti-floating groove is arranged at least on both sides of the position of the waste material.

[0008] Preferably, the anti-floating groove can allow the sheared waste to have corresponding reserved burrs.

[0009] Preferably, the burrs extend toward both sides of the waste material.

[0010] Preferably, the distance L from the outermost edge of the burr to the outer edge of the waste material satisfies 0.025 mm ≤ L ≤ 0.015 mm.

[0011] Preferably, the lower die insert is provided with a shearing groove corresponding to the waste at the shearing position, and the anti-floating groove is provided on the side of the shearing groove;

[0012] Taking the moving direction of the punch as the longitudinal direction, the anti-floating grooves are arranged on both sides of the shearing groove in the lateral direction.

[0013] Preferably, the anti-floating groove comprises:

[0014] The first groove wall is in contact with the shear groove of the lower die insert, and the first groove wall is a vertical surface extending in the longitudinal direction;

[0015] The second groove wall is a side wall of the anti-floating groove away from the shear groove. The second groove wall is arranged in an inclined shape, with its upper end arranged close to the shear groove and its lower end arranged away from the shear groove.

[0016] Preferably, the included angle between the first groove wall and the second groove wall is denoted as a, and satisfies 4.5°≤a≤5.5°.

[0017] Preferably, the lower die includes a lower die seat, a lower die pad and a lower die plate which are sequentially arranged from bottom to top, and the lower die insert is arranged on the lower die plate; and further includes:

[0018] The drainage structure is arranged inside the lower mold, and an air pipe joint is arranged at the end of the drainage structure extending to the outer side of the lower mold. The drainage structure forms a drainage air flow channel between the lower mold and the lower mold inlet.

[0019] Preferably, the lower end of the anti-floating groove passes through the bottom of the lower mold insert, and the drainage channel extends to below the lower mold insert, and the drainage channel guides the airflow to blow downward below the lower mold insert.

[0020] An automobile connector forming mold comprises an upper mold and a lower mold, a conveying system for conveying a material strip is arranged between the upper mold and the lower mold, and a plurality of workstations are arranged between the upper mold and the lower mold, wherein the distribution direction of the workstations is the conveying direction of the material strip, and the workstations comprise:

[0021] The knife edge station group includes a plurality of knife edge stations arranged in sequence, which are used to punch and shear the workpieces on the material strip; the knife edge stations are provided with the anti-floating structure as described above;

[0022] A bending station group, including several bending stations, is used to bend the workpiece after shearing;

[0023] The adjustment station group includes a plurality of adjustment stations for adjusting the workpiece after bending; the adjustment stations and the bending stations are arranged alternately.

[0024] Compared with the existing technology, it has the following beneficial effects: the cutting structure of this scheme can shear and form high-hardness materials. With the help of anti-floating grooves and drainage structures, the floating material problem that may occur when shearing high-hardness and small-volume parts is solved, thereby improving product quality and production efficiency to meet customer needs.

[0025] The continuous die of this solution is used for the production of automotive connectors made of high-hardness materials. It can avoid the problem of floating material during shearing, thereby achieving good product processing quality and efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 This is a front view of the processed product of the embodiment of the present application;

[0027] Figure 2 This is a side view of a processed product according to an embodiment of the present application;

[0028] Figure 3 A top view of a processed product according to an embodiment of the present application;

[0029] Figure 4 Schematic diagram of the shear anti-floating structure of the embodiment of the present application Figure 1 ;

[0030] Figure 5 for Figure 4 A partial enlarged view of;

[0031] Figure 6 Schematic diagram of the shear anti-floating structure of the embodiment of the present application Figure 2 ;

[0032] Figure 7 A schematic diagram of waste materials according to an embodiment of the present application;

[0033] Figure 8 for Figure 7 B is a partial enlarged view;

[0034] Fig. 9 This is a schematic diagram of the mold closed state of an embodiment of the present application;

[0035] Fig.10 This is a schematic diagram of the mold opening state of an embodiment of the present application;

[0036] Fig.11 This is a schematic diagram of the processing of the workpiece strip corresponding to the mold in the embodiment of the present application.

[0037] In the figure:

[0038] 100. Product; 101. Waste; 102. Burrs; 1. Upper die; 11. Upper die seat; 12. Upper die pad; 13. Upper clamp; 14. Stripper pad; 15. Stripper plate; 2. Lower die; 21. Lower die seat; 22. Lower die pad; 23. Lower mold plate; 3. Punch; 4. Anti-floating structure; 41. Lower die insert; 42. Anti-floating groove; 421. First groove wall; 422. Second groove wall; 5. Drainage structure; 51. Trachea joint; 52. Air flow channel.

[0039] 6. Cutting station; 7. Bending station; 8. Adjustment station. DETAILED DESCRIPTION

[0040] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0041] This application provides the following technical solutions:

[0042] like Figure 1-3 As shown in the figure, this is the connector structure to be processed in this solution. The connector needs to be processed with SUS301-EH stainless steel with a hardness of up to 520HV. The middle part contains a hollow area, which needs to be processed with a material strip. Finally, the product is removed from the material strip. When the traditional solution is used for stamping, due to the high hardness of the material, floating material is prone to occur, thus affecting the processing quality. Figures 4 to 8 This scheme is a shearing anti-floating structure, including an upper die 1 and a lower die 2. A shearing punch 3 is arranged between the upper die 1 and the lower die 2. Because hard materials are to be sheared, the punch 3 and the corresponding lower die parts of this scheme are made of PM23 material. In addition, this scheme also includes an anti-floating structure 4 for preventing the sheared workpiece from floating. The anti-floating structure 4 is arranged on the lower die insert 41 of the lower die 2. The anti-floating structure 4 is an anti-floating groove 42 arranged corresponding to the position of the waste material 101 on the workpiece to be sheared. The anti-floating groove 42 is arranged at least on both sides of the position of the waste material 101. The lower die insert 41 is made of PM23 material. Figure 7 and Figure 8 As shown, the anti-floating groove 42 can allow the sheared waste material 101 to have a reserved burr 102. The burr 102 extends toward both sides of the waste material 101. The distance between the outermost edge of the burr 102 and the outer edge of the waste material 100 is L, and L=0.02 mm is satisfied.

[0043] Through this structure of the present solution, a burr 102 structure is reserved on the side of the sheared waste 101, so that the burr 102 can affect the waste 101 and solve the floating material problem. Because the burr 102 remains on the waste 101, it has no effect on the quality of the product.

[0044] Based on the above scheme, see Figures 4 to 5 The specific structure of the anti-floating groove 42 is as follows:

[0045] The waste material 101 corresponding to the shearing position on the lower die insert 41 is provided with a shearing groove, and the anti-floating groove 42 is provided on the side of the shearing groove; with the moving direction of the punch 3 as the longitudinal direction, the anti-floating groove 42 is provided on both sides of the shearing groove in the transverse direction. Figure 5 The anti-floating groove 42 includes a first groove wall 421 and a second groove wall 422. The first groove wall 421 is attached to the shear groove of the lower mold insert 41. The first groove wall 421 is a vertical surface extending in the longitudinal direction. The second groove wall 422 is a side wall of the anti-floating groove 42 away from the shear groove. The second groove wall 422 is inclined, with its upper end close to the shear groove and its lower end away from the shear groove. The angle between the first groove wall 421 and the second groove wall 422 is a, and a=5°.

[0046] Through the structure of the present solution, the waste material 101 with burrs 102 can be cut, thereby solving the problem of floating material when shearing high-hardness materials and ensuring the processing quality of the product.

[0047] On the basis of the above-mentioned implementation scheme, in addition to the scheme of reserving burrs 102 on the waste material 101, this scheme further adds a drainage structure 5 in the form of airflow. The lower die 2 of this scheme includes a lower die seat 21, a lower die pad 22 and a lower die plate 23 arranged in sequence from bottom to top, and a lower die insert 41 is arranged on the lower die plate 23. The drainage structure 5 is arranged inside the lower die 2, and an air pipe joint 51 is arranged at the end of the drainage structure 5 extending to the outside of the lower die 2, and the drainage structure 5 forms a drainage airflow channel 52 between the lower die 2 and the lower die insert 41.

[0048] The lower end of the anti-floating groove 42 passes through the bottom of the lower mold inlet 41, and the drainage channel 52 extends to the bottom of the lower mold inlet 41. The drainage channel 52 guides the airflow to blow downward below the lower mold inlet 41. Figure 6 As shown, the drainage structure 5 is provided with a downward airflow channel below the lower die insert 41. The airflow channel is a straight channel, and the side drainage channel is an inclined channel near the straight channel. The lower port of the inclined channel is connected to the straight channel, and the upper port is connected to the horizontal channel, and the horizontal channel is connected to the air pipe. Through this structure, the wind of the drainage channel 52 drives the airflow at the lower die insert 41 downward, combined with the downward pressure of the punch 3, so that the airflow at the workpiece 100 moves downward as a whole, thereby preventing the problem of floating material.

[0049] Based on the above implementation scheme, see Figure 9-11 The present invention provides an automotive connector forming mold, which is a continuous mold, including an upper mold 1 and a lower mold 2. A conveying system for conveying a material strip is arranged between the upper mold 1 and the lower mold 2. A plurality of workstations are arranged between the upper mold 1 and the lower mold 2. The distribution direction of the workstations is the conveying direction of the material strip. The workstations include:

[0050] The knife edge station group includes a plurality of knife edge stations 6 arranged in sequence, which are used to punch and shear the workpieces on the material strip; the knife edge station 6 is provided with the anti-floating structure as mentioned above;

[0051] A bending station group, including a plurality of bending stations 7, for bending the sheared workpiece;

[0052] The adjustment station group includes a plurality of adjustment stations 8 for adjusting the workpiece after bending; the adjustment stations 8 and the bending stations 7 are arranged alternately.

[0053] like Fig. 9 As shown, in the first few processing steps of the material strip, the cutting station 6 is used to cut and shape the workpiece at various positions. After the cutting operation is completed, the bending stations 7 and the adjustment stations 8 are used to stamp and bend the various bent parts of the workpiece, and finally the workpiece is obtained. Figure 1-3 products.

[0054] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A shearing anti-floating structure, comprising an upper die (1) and a lower die (2), wherein a shearing punch (3) is arranged between the upper die (1) and the lower die (2), characterized in that: Also includes: The anti-floating structure (4) is used to prevent the sheared workpiece from floating. The anti-floating structure (4) is arranged on the lower die insert (41) of the lower die (2). The anti-floating structure (4) comprises: The anti-floating groove (42) is arranged corresponding to the position of the waste material (101) on the workpiece to be sheared, and the anti-floating groove (42) is arranged at least on two sides of the position of the waste material (101).

2. The shear anti-floating structure according to claim 1, characterized in that: The anti-floating groove (42) can allow the sheared waste material (101) to correspond to the reserved burrs (102).

3. The shear anti-floating structure according to claim 2, characterized in that: The burrs (102) extend toward both sides of the waste material (101).

4. The shear anti-floating structure according to claim 2, characterized in that: The distance between the outermost edge of the burr (102) and the outer edge of the waste (100) is L, which satisfies the condition of 0.025 mm ≤ L ≤ 0.015 mm.

5. The shear anti-floating structure according to claim 1, characterized in that: The waste material (101) at the corresponding shearing position on the lower die insert (41) is provided with a shearing groove, and the anti-floating groove (42) is provided on the side of the shearing groove; With the moving direction of the punch (3) as the longitudinal direction, the anti-floating grooves (42) are arranged on both sides of the shearing groove in the lateral direction.

6. The shear anti-floating structure according to claim 5, characterized in that: The anti-floating groove (42) comprises: The first groove wall (421) is in contact with the shear groove of the lower mold insert (41), and the first groove wall (421) is a vertical surface extending in the longitudinal direction; The second groove wall (422) is a side wall of the anti-floating groove (42) away from the shear groove. The second groove wall (422) is arranged in an inclined shape, with its upper end arranged close to the shear groove and its lower end arranged away from the shear groove.

7. The shear anti-floating structure according to claim 6, characterized in that: The included angle between the first groove wall (421) and the second groove wall (422) is denoted as a, and the condition 4.5°≤a≤5.5° is satisfied.

8. The shear anti-floating structure according to claim 7, characterized in that: The lower mold (2) comprises a lower mold base (21), a lower mold pad (22) and a lower mold plate (23) which are arranged in sequence from bottom to top, and the lower mold insert (41) is arranged on the lower mold plate (23); and further comprises: The drainage structure (5) is arranged inside the lower mold (2), and an air pipe joint (51) is arranged at the end of the drainage structure (5) extending to the outside of the lower mold (2). The drainage structure (5) forms a drainage air flow channel (52) between the lower mold (2) and the lower mold inlet (41).

9. The shear anti-floating structure according to claim 8, characterized in that: The lower end of the anti-floating groove (42) passes through the bottom of the lower mold insert (41), and the airflow channel (52) extends to below the lower mold insert (41). The airflow channel (52) guides the airflow to blow downward below the lower mold insert (41).

10. An automobile connector molding die, comprising an upper die (1) and a lower die (2), a conveying system for conveying a material strip is arranged between the upper die (1) and the lower die (2), a plurality of workstations are arranged between the upper die (1) and the lower die (2), and the distribution direction of the workstations is the conveying direction of the material strip, characterized in that: The workstation comprises: A knife-edge station group, comprising a plurality of knife-edge stations (6) arranged in sequence, for punching and shearing workpieces on a material strip; the knife-edge station (6) is provided with an anti-floating structure as described in any one of claims 1 to 9; The bending station group includes a plurality of bending stations (7) for bending the workpiece after shearing; the adjustment station group includes a plurality of adjustment stations (8) for adjusting the workpiece after bending; the adjustment stations (8) and the bending stations (7) are arranged alternately.

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