Punching forming die

Abstract

The utility model discloses a punching forming die which comprises an upper die plate, a lower die plate, a push rod, an ejector rod, an upper shearing opening, a lower shearing opening, a stretching female die and a stripping top bottom, the push rod is connected below the upper die plate, the lower end of the push rod is connected with a workpiece fixing block, the upper end of the ejector rod is connected with the workpiece fixing block, and the lower end of the ejector rod is pressed on the upper shearing opening. The upper shearing opening is located in the middle of the lower shearing opening, a punching and flanging workpiece is arranged in the middle of the ejector rod, a stretching workpiece is installed on the lower die plate, the stretching workpiece upwards penetrates through the stretching female die, the stripping top bottom is located above the lower die plate, and the stretching workpiece moves in the middle of the stripping top bottom in the vertical direction. The punching forming die is mainly applied to the punching forming production process of a motor shell, the cost problem caused by the fact that multiple sets of dies are needed for production of the same product is solved, forming of a central pig mouth hole is achieved through punching flanging, die opening is convenient through an ejector rod, and the maintenance efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of molds, in particular to a punching molding mold. Background Art

[0002] Molds are various molds and tools used in industrial production to obtain the desired products by injection molding, blow molding, extrusion, die casting or forging, smelting, stamping and other methods. In short, molds are tools used to make molded objects. This tool is composed of various parts, and different molds are composed of different parts. It mainly realizes the processing of the shape of the object by changing the physical state of the molded material. When stamping the motor housing, the T-shaped step at the punching position needs to form a center pig mouth hole. When using molds, multiple sets of molds need to be used for sequential production, which has a high production cost and is difficult to maintain. Utility Model Content

[0003] One purpose of the utility model is to provide a punching forming die, which adopts a set of dies to realize punching and flanging to realize the forming of the center pig mouth hole, thereby saving costs and reducing maintenance.

[0004] To achieve this purpose, the utility model adopts the following technical solutions:

[0005] A punching forming mold comprises an upper template, a lower template, a push rod, a push rod, an upper notch, a lower notch, a stretching die and a stripping top and bottom, the push rod is connected to the bottom of the upper template, the lower end of the push rod is connected to a workpiece fixing block, the upper end of the push rod is connected to the workpiece fixing block, the lower end of the push rod is pressed on the upper notch, the upper notch is located in the middle of the lower notch, a punching workpiece with flanging is provided in the middle of the push rod, a stretching workpiece is installed on the lower template, the stretching workpiece passes upward through the stretching die, the stripping top and bottom are located above the lower template, and the stretching workpiece moves in the middle of the stripping top and bottom along the vertical direction.

[0006] As a preferred technical solution, a spring is arranged below the lower template, the upper end of the spring is connected to an ejector pin, and the ejector pin is upwardly connected to the lower end of the stripping top bottom.

[0007] As a preferred technical solution, a lower die base is installed below the lower die plate, the ejector pin passes through the lower die base, a guide column is fixed to the outer side of the lower die base, an upper die base is installed above the upper die plate, a guide sleeve is fixed to the outer side of the upper die base, a rolling member is installed on the inner side of the guide sleeve, the upper end of the guide column is rollingly connected to the rolling member, an elastic member is sleeved on the guide column, and the elastic member is located between the upper die base and the lower die base.

[0008] As a preferred technical solution, an upper cover plate is fixed to the upper end of the upper die seat, a die handle is mounted on the upper cover plate, a push rod is connected to the driving end of the die handle, and the push rod is downwardly connected to the push rod.

[0009] As a preferred technical solution, an upper clamping template is arranged below the upper die base, an upper clamping pad is installed between the upper clamping template and the upper die base, and the workpiece fixing block is located in the middle of the upper clamping template.

[0010] As a preferred technical solution, an upper stripping plate is provided between the upper template and the upper clamping template, and an upper stripping pad is installed between the upper stripping plate and the upper clamping template.

[0011] As a preferred technical solution, a first lower pad and a second lower pad are provided between the lower die base and the lower die plate, and the lower end of the stretched workpiece is inserted into the middle of the first lower pad.

[0012] As a preferred technical solution, a blowing rod is installed on the outer side of the first lower pad, and the upper end of the blowing rod is connected to the upper template.

[0013] The beneficial effects of the utility model are: providing a punching and forming mold, which is mainly used in the stamping and forming production process of motor housings, solving the cost problem caused by the need for multiple sets of molds to produce the same product, utilizing punching and flanging to achieve the forming of the center pig mouth hole, and the ejector rod facilitates mold opening and improves maintenance efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The utility model is further described in detail below based on the drawings and embodiments.

[0015] Figure 1 It is a schematic diagram of the overall structure of a punching forming die described in an embodiment.

[0016] Figure 1 middle:

[0017] 1. Upper template; 2. Lower template; 3. Stretching workpiece; 4. Push rod; 5. Ejector rod; 6. Upper notch; 7. Lower notch; 8. Stretching die; 9. Stripping top and bottom; 10. Product; 11. Workpiece fixing block; 12. Punching workpiece with flanging; 13. Spring; 14. Blow rod; 15. Ejector pin; 16. Lower die seat; 17. Guide column; 18. Upper die seat; 19. Guide sleeve; 20. Rolling element; 21. Elastic element; 22. Upper cover plate; 23. Die handle; 24. Ejector rod; 25. Upper clamping template; 26. Upper clamping pad; 27. Upper stripping plate; 28. Upper stripping pad; 29. ​​First lower pad; 30. Second lower pad. DETAILED DESCRIPTION

[0018] The technical solution of the utility model is further explained below with reference to the accompanying drawings and through specific implementation methods.

[0019] like Figure 1 As shown, in this embodiment, a punching forming mold includes an upper template 1, a lower template 2, a push rod 4, a push rod 5, an upper notch 6, a lower notch 7, a stretching die 8 and a stripping top and bottom 9, the push rod 4 is connected to the bottom of the upper template 1, the lower end of the push rod 4 is connected to a workpiece fixing block 11, the upper end of the push rod 5 is connected to the workpiece fixing block 11, the lower end of the push rod 5 is pressed on the upper notch 6, the upper notch 6 is in the middle of the lower notch 7, a punching workpiece with flanging 12 is arranged in the middle of the push rod 5, a stretching workpiece 3 is installed on the lower template 2, the stretching workpiece 3 passes through the stretching die 8 upward, the stripping top and bottom 9 is above the lower template 2, and the stretching workpiece 3 moves in the middle of the stripping top and bottom 9 along the vertical direction.

[0020] Moreover, a spring 13 is provided below the lower template 2, and an ejector pin 15 is connected to the upper end of the spring 13, and the ejector pin 15 is upwardly connected to the lower end of the stripping top bottom 9, a lower die base 16 is installed below the lower template 2, and the ejector pin 15 passes through the lower die base 16, and a guide column 17 is fixed to the outer side of the lower die base 16, an upper die base 18 is installed above the upper template 1, a guide sleeve 19 is fixed to the outer side of the upper die base 18, and a rolling member 20 is installed on the inner side of the guide sleeve 19, and the upper end of the guide column 17 is rollingly connected with the rolling member 20, and an elastic member 21 is sleeved on the guide column 17, and the elastic member 21 is located between the upper die base 18 and the lower die base 16, an upper cover plate 22 is fixed to the upper end of the upper die base 18, and a mold handle 23 is installed on the upper cover plate 22, and the mold A ejector rod 24 is connected to the driving end of the handle 23, and the ejector rod 24 is downwardly connected to the push rod 4. An upper clamping plate 25 is arranged below the upper die seat 18, and an upper clamping pad 26 is installed between the upper clamping plate 25 and the upper die seat 18. The workpiece fixing block 11 is located in the middle of the upper clamping plate 25. An upper stripping plate 27 is arranged between the upper die plate 1 and the upper clamping plate 25, and an upper stripping pad 28 is installed between the upper stripping plate 27 and the upper clamping plate 25. A first lower pad 29 and a second lower pad 30 are arranged between the lower die seat 16 and the lower die plate 2. The lower end of the stretched workpiece 3 is inserted into the middle of the first lower pad 29, and a blow rod 14 is installed on the outer side of the first lower pad 29, and the upper end of the blow rod 14 is connected to the upper die plate 1.

[0021] During the downward movement of the upper die seat 18, the punching and flanging workpiece 12 is supported along the upper notch 6. When the lower die seat 16 is supported upward, the punch press continues to move downward, and the punching and flanging workpiece 12 is used to catch the material on the lower notch 7 for shearing. When it continues to move downward, the drawing die 8 catches the lower template 2 to stretch the product 10, and then the punch press continues to move downward. When the forming is about to be completed, the drawing workpiece 3 will catch the punching and flanging workpiece 12 of the upper center hole and punch it out from the center hole. The T-shaped step at the lower end of the punching and flanging workpiece 12 simultaneously forms the center pig mouth hole. At this time, the mold reaches the bottom dead center position, and then begins to rise to open the mold. After demolding, the ejector pin 15 lifts the product 10.

[0022] It should be stated that the above-mentioned specific implementation methods are only preferred embodiments of the present utility model and the technical principles used. Within the technical scope disclosed by the present utility model, any changes or substitutions that can be easily thought of by technicians familiar with this technical field should be included in the protection scope of the present utility model.

Claims

1. A punching die, characterized in that: It includes an upper template, a lower template, a push rod, a push rod, an upper notch, a lower notch, a stretching die and a stripping top and bottom. The push rod is connected to the bottom of the upper template, the lower end of the push rod is connected to a workpiece fixing block, the upper end of the push rod is connected to the workpiece fixing block, the lower end of the push rod is pressed on the upper notch, the upper notch is located in the middle of the lower notch, a punching and flanging workpiece is provided in the middle of the push rod, a stretching workpiece is installed on the lower template, the stretching workpiece passes through the stretching die upward, the stripping top and bottom are located above the lower template, and the stretching workpiece moves in the middle of the stripping top and bottom along the vertical direction.

2. A punching forming die according to claim 1, characterized in that: A spring is arranged below the lower mold plate, an upper end of the spring is connected with an ejector pin, and the ejector pin is upwardly connected to the lower end of the stripping top bottom.

3. A punching forming die according to claim 2, characterized in that: A lower die seat is installed below the lower die plate, the ejector pin passes through the lower die seat, a guide column is fixed to the outer side of the lower die seat, an upper die seat is installed above the upper die plate, a guide sleeve is fixed to the outer side of the upper die seat, a rolling member is installed on the inner side of the guide sleeve, the upper end of the guide column is rollingly connected to the rolling member, an elastic member is sleeved on the guide column, and the elastic member is located between the upper die seat and the lower die seat.

4. A punching die according to claim 3, characterized in that: An upper cover plate is fixed on the upper end of the upper die seat, a die handle is mounted on the upper cover plate, a push rod is connected to the driving end of the die handle, and the push rod is downwardly connected to the push rod.

5. A punching die according to claim 3, characterized in that: An upper clamping template is arranged below the upper die seat, an upper clamping pad is installed between the upper clamping template and the upper die seat, and the workpiece fixing block is located in the middle of the upper clamping template.

6. A punching die according to claim 5, characterized in that: An upper stripping plate is arranged between the upper template and the upper clamping template, and an upper stripping pad is installed between the upper stripping plate and the upper clamping template.

7. A punching die according to claim 3, characterized in that: A first lower pad and a second lower pad are provided between the lower die seat and the lower die plate, and the lower end of the stretched workpiece is inserted into the middle portion of the first lower pad.

8. A punching die according to claim 7, characterized in that: A blowing rod is installed on the outer side of the first lower pad, and the upper end of the blowing rod is connected to the upper template.

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