Die for simultaneously and obliquely punching four edges

Abstract

The utility model relates to the technical field of stamping dies, in particular to a die for simultaneously and obliquely punching four edges. Comprising an upper die base, a stripper plate and a lower die base which are sequentially arranged from top to bottom, and a linkage structure is connected between the stripper plate and the upper die base; a plurality of skew rolling grooves are formed in the stripper plate, the two ends of each skew rolling groove penetrate through the upper end face and the lower end face of the stripper plate, and a stamping sliding block capable of sliding up and down along the skew rolling groove is arranged on the skew rolling groove in a penetrating mode; punching pieces are arranged at the lower ends of the punching sliding blocks, a plurality of sliding block shovel bases are fixedly arranged on the upper die base, the sliding block shovel bases are connected with the corresponding punching sliding blocks in a matched mode, and receding holes in one-to-one correspondence with the punching pieces are formed in the lower die base. The inclined hole punching die is reasonable in structure, the upper die and the stripper plate act in sequence through the linkage structure, the upper die drives the punching sliding blocks to move along the inclined rolling groove through the sliding block shovel base, the punches on the multiple punching sliding blocks synchronously complete punching machining of inclined holes, and therefore the machining precision and the production efficiency are effectively improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to punch press die technical field, specifically point to a four edges simultaneously inclined punching die. BACKGROUND

[0002] Punching is by press and die to plate material, strip material, tubular product and profiled material etc. Exert external force, make it produce plastic deformation or separate, thereby obtain the forming processing method of required shape and size (punching part) workpiece. Punching and forging belong to plastic processing (or called pressure processing), collectively known as forging.

[0003] A kind of inclined hole punch press die of China CN211803355U, including upper die holder, punch, punch fixed assembly, lower die holder, lower die and lower die fixed assembly, the punch is installed in upper die holder by punch fixed assembly, the lower die is installed in lower die holder by lower die fixed assembly with horizontal plane at a certain angle, when using, product is fixed in lower die, inclined hole is formed on product directly by punch on die.

[0004] The above prior art can punch single inclined hole, but for the processing of some multi-hole products, due to the different hole diameter, shape and position requirements, multiple molds, multiple positioning and punching are required to complete, thereby leading to the increase of cumulative error, affecting the precision and quality of product. Therefore, prior art still needs to be improved and developed. UTILITY MODEL CONTENT

[0005] The utility model aims at the defects and deficiencies of prior art, provide a structure is reasonable, four edges simultaneously inclined punching die.

[0006] In order to achieve the above object, the utility model adopts the following technical scheme:

[0007] The utility model discloses a four edges simultaneously inclined punching die, including upper die holder, stripper plate and lower die holder that are sequentially arranged from top to bottom, the stripper plate is connected with upper die holder and is equipped with linkage structure, the stripper plate is equipped with several inclined rolling grooves, the both ends of inclined rolling groove penetrate the upper end surface and the lower end surface of stripper plate, and the punch press sliding block that can slide up and down is arranged on the inclined rolling groove, the lower end of punch press sliding block is equipped with punch, and a plurality of sliding block shovel bases are fixed on the upper die holder, the sliding block shovel base is connected with the corresponding punch press sliding block, and a plurality of avoiding holes corresponding to punch are arranged on the lower die holder.

[0008] According to the above scheme, the upper end surface of the stripper plate is equipped with several avoiding grooves, and the several avoiding grooves are connected with the inclined rolling groove one by one, and the sliding block shovel base is arranged in the corresponding avoiding groove.

[0009] According to the above scheme, the lower end of the slider spade is provided with a wedge surface, the wedge surface is provided with a T-shaped guide rail, the wedge surface is arranged in pairs with the upper end surface of the stamping slider, the upper end surface of the stamping slider is provided with a T-shaped sliding groove, and the T-shaped guide rail is slidably arranged in the T-shaped sliding groove.

[0010] According to the above scheme, the linkage structure guide column, the guide hole and the reset spring are arranged on the stripper plate, the guide column is arranged in the guide hole, the upper end of the guide column is fixedly connected with the upper die seat, and the upper end surface of the stripper plate is provided with a plurality of counterbores.

[0011] According to the above scheme, the upper die plate is arranged between the upper die seat and the stripper plate, and the upper die plate is fixedly connected with the upper die seat; the slider spade and the guide column are fixedly connected with the upper die plate, and the reset spring abuts against the upper die plate.

[0012] According to the above scheme, the lower die plate is arranged on the lower die seat, the lower die plate is provided with a material returning hole, the material returning hole is provided with an insert, a plurality of avoiding holes are arranged on the insert and communicate with the material returning hole.

[0013] According to the above scheme, the gasket is arranged between the lower die seat and the lower die plate, and the lower die seat, the gasket and the lower die plate are sequentially fixedly connected.

[0014] The utility model has the advantages that: the utility model discloses reasonable structure, the upper die drives the stripper plate to move up and down relative to the lower die, and the upper die and the stripper plate sequentially act through the linkage structure. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is the overall explosion structure schematic diagram of the utility model;

[0016] Figure 2 It is Figure 1 The cross section structure schematic diagram of the utility model;

[0017] Figure 3 It is the cross section structure schematic diagram of the utility model after overall assembly.

[0018] In the drawing:

[0019] 1, upper die seat; 2, stripper plate; 3, lower die seat; 4, insert; 11, guide column; 12, upper die plate;

[0020] 21. Oblique rolling groove; 22. Stamping slider; 23. Punching part; 24. Slider shovel base; 25. Avoidance groove; 26. Guide hole; 27. Countersunk hole; 31. Avoidance hole; 32. Lower template; 33. Material withdrawal hole; 34. Pad; 221. T-shaped slide; 241. Wedge surface; 242. T-shaped guide rail; 261. Return spring. DETAILED DESCRIPTION

[0021] The technical solution of the present utility model is described below with reference to the accompanying drawings and embodiments.

[0022] like Figures 1-3 As shown, the utility model describes a four-sided simultaneous oblique punching die, comprising an upper die base 1, a stripper plate 2, and a lower die base 3, which are sequentially arranged from top to bottom. A linkage structure is provided between the stripper plate 2 and the upper die base 1. The stripper plate 2 is provided with a plurality of oblique rolling grooves 21, the two ends of which pass through the upper end face and the lower end face of the stripper plate 2. The oblique rolling groove 21 is provided with a stamping slider 22 that can slide up and down along it. The lower end of the stamping slider 22 is provided with a punching piece 23, and the upper die base 1 is fixed with a plurality of slider shovel bases 24, which are matched and connected with the corresponding stamping sliders 22. The lower die base 3 has a plurality of avoidance holes 31 corresponding to the punching pieces 23. The upper die base 1 can move up and down in the vertical direction, and drives the stripper plate 3 to punch the workpiece on the lower die base 3 through the linkage structure.

[0023] Furthermore, the stripping plate 2 is provided with a plurality of oblique rolling grooves 21. It can be understood that the oblique rolling grooves 21 are set at an angle to the vertical direction, and a stamping slider 22 is provided in the oblique rolling grooves 21. The stamping slider 22 can slide along the oblique rolling grooves 21 to punch oblique holes on the workpiece through the punching piece 23.

[0024] Specifically, when the upper die base 1 moves downward toward the lower die base 3, it drives the stripper plate 2 to first press the workpiece on the lower die base 3 to prevent the workpiece from sliding. The upper die base 1 continues to move downward, causing the slider shovel base 24 to drive the punching slider 22. The punching slider 22 slides downward along the oblique rolling groove 21, driving the punch 23 to punch the workpiece on the lower die base 3. Excessive movement of the punch 23 can cause it to enter the avoidance hole 31, and waste generated by the punching can be discharged through the avoidance hole 31.

[0025] It is understandable that the upper die base 1, the stripper plate 2, and the slider shovel base 24 only move vertically, and the punching action of the inclined hole is achieved by the punching slider 22 and the punch 23 on the inclined rolling groove 21. The stripper plate 2 can be provided with multiple inclined rolling grooves 21 and punching sliders 22, and the specifications and dimensions of the inclined hole can be customized by replacing the punch 23. In particular, the inclined rolling groove 21 controls the movement trajectory of the punch 23, allowing multiple punches 23 to complete the inclined hole processing simultaneously, thereby effectively improving the shape and position accuracy and processing efficiency.

[0026] The upper end surface of the stripper plate 2 is provided with a plurality of avoiding grooves 25, and the avoiding grooves 25 are in one-to-one correspondence with the oblique rolling grooves 21, and the slider shoveling base 24 is arranged in the corresponding avoiding groove 25. The upper end of the punch slider 22 protrudes from the oblique rolling groove 21, and the slider shoveling base 24 can move up and down in the avoiding groove 25, so that the slider shoveling base 24 can abut against and push the punch slider 22 to punch downward.

[0027] Further, the lower end of the slider shoveling base 24 is provided with a wedge surface 241, and the wedge surface 241 is provided with a T-shaped guide rail 242, and the wedge surface 241 is arranged in pair with the upper end surface of the punch slider 22, and the upper end surface of the punch slider 22 is provided with a T-shaped sliding groove 221, and the T-shaped guide rail 242 is slidably arranged in the T-shaped sliding groove 221. The T-shaped guide rail 242 and the T-shaped sliding groove 221 constitute a sliding assembly, which converts the vertical movement of the slider shoveling base 24 into the oblique movement of the punch slider 22.

[0028] The linkage structure guide column 11, the guide hole 26 and the reset spring 261, the stripper plate 2 is provided with a plurality of guide holes 26, the guide column 11 is arranged in the guide hole 26, and the upper end of the guide column 11 is fixedly connected with the upper die seat 1; the upper end surface of the stripper plate 2 is provided with a plurality of counterbores 27, and the counterbores 27 are provided with reset springs 261, and the reset springs 261 abut against and connect the upper die seat 1. The cooperation of the guide column 11 and the guide hole 26 enables the stripper plate 2 to slide relative to the upper die seat 1, and when the upper die seat 1 is pressed downward, the stripper plate 2 is first pressed on the workpiece on the lower die seat 3 to prevent the workpiece from moving, and then the upper die seat 1 continues to press downward to drive the punch slider 22 and the punch 23 to punch downward through the slider shoveling base 24.

[0029] Specifically, the upper die plate 12 is arranged between the upper die seat 1 and the stripper plate 2, and the upper die plate 12 is fixedly connected with the upper die seat 1; the slider shoveling base 24 and the guide column 11 are both fixedly connected with the upper die plate 12, and the reset spring 261 abuts against and connects the upper die plate 12. The stripper plate 2 is in sliding cooperation with the upper die plate 12 through the guide column 11 and the guide hole 26, and the stripper plate 2 and the upper die plate 12 are connected by a connecting bolt to form an integral structure, the upper die seat 1 is the upper punch of the punch, and the upper die plate 12 is fixedly connected with the upper die seat 1 through the connecting bolt. The upper die plate 12 is used to replace the stripper plate 2 (punching die) to process different products.

[0030] As described above, the lower die seat 3 is provided with a lower die plate 32, the lower die plate 32 is provided with a stripper hole 33, the stripper hole 33 is provided with an insert 4, a plurality of avoiding holes 31 are arranged on the insert 4, and the avoiding holes 31 are in communication with the stripper hole 33. The lower die seat 3 is the base of the punch, and the lower die plate 32 is used to arrange the corresponding insert 4 in pair with the above-mentioned stripper plate 2 to process different oblique hole punching products.

[0031] It can be understood that the lower die seat 3 and the lower die plate 32 are provided with a backing plate 34, and the lower die seat 3, the backing plate 34 and the lower die plate 32 are sequentially fixedly connected. The backing plate 34 can correct the behavior gap between the lower die plate 32 and the lower die seat 3, and simultaneously play a buffering role.

[0032] The above only describes preferred embodiments of the present application, and equivalent changes or modifications made in the scope of the present application patent application, including the scope of the present application patent application.

Claims

1. A die for simultaneously oblique punching of four sides, comprising an upper die base (1), a stripper plate (2) and a lower die base (3) arranged in sequence from top to bottom, wherein a linkage structure is provided between the stripper plate (2) and the upper die base (1); characterized in that: The stripping plate (2) is provided with a plurality of oblique rolling grooves (21), the two ends of the oblique rolling grooves (21) pass through the upper end surface and the lower end surface of the stripping plate (2), and a stamping slider (22) is passed through the oblique rolling groove (21) and can slide up and down along it; the lower end of the stamping slider (22) is provided with a punching piece (23), and the upper die base (1) is fixed with a plurality of slider shovel bases (24), and the slider shovel bases (24) are connected with the corresponding stamping sliders (22); the lower die base (3) is provided with a plurality of avoidance holes (31) corresponding to the punching pieces (23).

2. The four-side simultaneous oblique punching die according to claim 1, characterized in that: A plurality of avoidance grooves (25) are provided on the upper end surface of the stripping plate (2), and the plurality of avoidance grooves (25) are connected to the oblique rolling groove (21) in a one-to-one correspondence, and the slider shovel base (24) is passed through the corresponding avoidance grooves (25).

3. The four-side simultaneous oblique punching die according to claim 2, characterized in that: The lower end of the slider shovel base (24) is provided with a wedge surface (241), and a T-shaped guide rail (242) is provided on the wedge surface (241). The wedge surface (241) is paired with the upper end surface of the stamping slider (22), and a T-shaped slide groove (221) is provided on the upper end surface of the stamping slider (22). The T-shaped guide rail (242) can be slidably inserted into the T-shaped slide groove (221).

4. The four-side simultaneous oblique punching die according to claim 1, characterized in that: The linkage structure comprises a guide column (11), a guide hole (26) and a reset spring (261); a plurality of guide holes (26) are provided on the stripping plate (2); the guide column (11) is passed through the guide hole (26); the upper end of the guide column (11) is fixedly connected to the upper die seat (1); a plurality of countersunk holes (27) are provided on the upper end surface of the stripping plate (2); a reset spring (261) is provided in the countersunk hole (27); and the reset spring (261) is in contact with and connected to the upper die seat (1).

5. The four-side simultaneous oblique punching die according to claim 4, characterized in that: An upper mold plate (12) is provided between the upper mold base (1) and the stripper plate (2), and the upper mold plate (12) is fixedly connected to the upper mold base (1); the slider shovel base (24) and the guide column (11) are both fixedly connected to the upper mold plate (12), and a return spring (261) is in contact with the upper mold plate (12).

6. The four-side simultaneous oblique punching die according to claim 1, characterized in that: The lower die base (3) is provided with a lower die plate (32), the lower die plate (32) is provided with a material return hole (33), an insert (4) is provided in the material return hole (33), a plurality of avoidance holes (31) are provided on the insert (4), and the avoidance holes (31) are connected to the material return hole (33).

7. The four-side simultaneous oblique punching die according to claim 1, characterized in that: A pad (34) is provided between the lower die base (3) and the lower template (32), and the lower die base (3), the pad (34) and the lower template (32) are fixedly connected in sequence.

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