Forming and punching integrated die

Abstract

The utility model relates to the technical field of stamping dies, in particular to a forming and punching integrated die which comprises an upper die and a lower die. The upper die comprises a first spring, a second spring, a punching punch and a forming punch; the top of the first spring is arranged in the upper die base, and the bottom of the first spring is fixed at the upper end of the unloading plate; the top of the second spring is fixed in the upper die base, and the bottom penetrates through the fixed base plate and is connected with the fixed plate; the punching punch is connected to the lower end of the fixed base plate. The forming punch sleeves the outer side of the punching punch and is in sliding fit with the punching punch; the discharging plate is provided with a forming through hole right opposite to the punching puncher pin and the forming puncher pin. A blanking hole right facing the punching punch is formed in the center of the female die insert, the center of the female die base plate and the center of the lower die base of the lower die. A circular groove matched with the bottom of the forming body is formed in the outer side of the top of the blanking hole of the female die insert. And one forming mold is saved, the working procedures are simplified, the number of production personnel is reduced, the mold manufacturing cost is saved, and the production efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of stamping dies, in particular to a forming and punching integrated die. Background Art

[0002] Forming and punching on products are both common processes in stamping dies. In order to meet many functional requirements, holes are punched at the forming position. In the prior art, forming dies and punching dies are required to make products with holes; the processes involved in the forming dies are: 1) the forming dies are opened; 2) the forming dies are pressed; 3) the forming dies are formed; 4) the product is transferred to the blanking dies; 5) the blanking dies are opened; 6) the blanking dies are pressed; 7) the blanking dies are punched.

[0003] However, the above traditional method has the problem that two molds are needed, the process steps are more, the mold production cost is high; and it involves the transfer of products between different molds, resulting in low production efficiency. Utility Model Content

[0004] In view of the problems in the prior art, the utility model provides an integrated forming and punching die, which not only saves a forming die, but also simplifies the process, reduces the number of production personnel, saves the cost of die production, and improves production efficiency. The whole set of die structure is simple and convenient, and can be made into a standard for promotion and use.

[0005] The technical solution adopted by the utility model to solve its technical problems is:

[0006] A forming and punching integrated die, comprising an upper die and a lower die; the upper die comprises an upper die seat and a fixed pad, a fixed plate, a stripper plate, a first spring, a second spring, a punching punch, and a forming punch below the upper die seat; the first spring passes through the fixed pad and the fixed plate, and the top is arranged in the upper die seat, and the bottom is fixed to the upper end of the stripper plate; the second spring is fixed in the upper die seat at the top, and the bottom passes through the fixed pad and is connected to the fixed plate; the punching punch is connected to the lower end of the fixed pad; the forming punch is sleeved on the outside of the punching punch and the two are slidably matched; a trapezoidal forming through hole facing the punching punch and the forming punch is opened at the center of the stripper plate;

[0007] The lower die comprises a lower die base, a die pad thereon, and a die plate; a die insert is provided at the center of the die plate; a blanking hole facing the punch is provided at the center of the die insert, the die pad and the lower die base; a circular groove is provided on the outside of the top of the blanking hole of the die insert to cooperate with the bottom of the forming body.

[0008] Furthermore, the forming punch is of a trapezoidal sleeve type, specifically comprising a positioning portion and a forming body centrally arranged at the bottom thereof.

[0009] Furthermore, the molding through hole includes a positioning hole matched with the positioning portion, and a molding hole matched with the molding body is provided at the bottom of the positioning hole.

[0010] Furthermore, the circular groove and the top of the concave die insert adopt a rounded transition.

[0011] Furthermore, the first spring is a common spring or an independent nitrogen spring; the second spring is an independent nitrogen spring.

[0012] Beneficial effects of the utility model:

[0013] In the prior art, forming dies and punching dies are required to make products with holes; the processes involved in the forming dies are: 1) the forming dies are opened; 2) the forming dies are pressed; 3) the forming dies are formed; 4) the product is transferred to the blanking dies; 5) the blanking dies are opened; 6) the blanking dies are pressed; 7) the blanking dies are punched.

[0014] The utility model realizes that the upper die of the same die can have both forming and punching functions by arranging a first spring in the upper die of the punching die in the prior art and arranging a forming punch on the outer side of the punching punch, and the two are slidably matched; a blanking hole facing the punching punch is commonly arranged at the center of the die insert, the die pad and the lower die seat of the lower die; a circular groove matching the bottom of the forming body is arranged on the outer side of the top of the blanking hole of the die insert;

[0015] Through the above improvements, not only one molding die is saved, but also the process is simplified: 1) the molding die is opened; 2) the molding die presses the material; 3) the molding die is formed; 4) the molding die is punched. The production personnel are reduced, the mold production cost is saved, and the production efficiency is improved. The whole set of molds is simple and convenient in structure and can be made into a standard for promotion and use. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0017] Figure 1 It is a schematic diagram of the integrated forming and punching die of the utility model in an open state;

[0018] Figure 2 It is a schematic diagram of the integrated forming and punching die of the utility model in the material pressing state;

[0019] Figure 3 It is a schematic diagram of the integrated forming and punching die of the utility model in the state of forming completion;

[0020] Figure 4 It is a schematic diagram of the forming and punching integrated die of the utility model in the punching completion state;

[0021] Figure 5 for Figure 2 A partial enlarged view of .

[0022] In the figure: 1. upper die seat; 2. fixed pad; 3. fixed plate; 4. unloading plate; 5. concave die plate; 6. concave die pad; 7. lower die seat; 8. first spring; 9. punching punch; 10. second spring; 11. forming punch; 11-1. positioning part; 11-2. forming body; 12. concave die insert; 13. product; 14. blanking hole; 15. positioning hole; 16. forming hole. DETAILED DESCRIPTION

[0023] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0024] like Figures 1 to 5 As shown, the utility model is a forming and punching integrated die, comprising an upper die and a lower die; the upper die comprises an upper die base 1, a fixed pad 2, a fixed plate 3, a first spring 8, a second spring 10, a punching punch 9, and a forming punch 11; the lower die comprises a concave die plate 5, a concave die unloading plate 4 pad, a concave die insert 12 and a lower die base 7;

[0025] A fixed pad 2, a fixed plate 3 and a stripping plate 4 are sequentially arranged below the upper die base 1; the first spring 8 passes through the fixed pad 2 and the fixed plate 3, and the top is arranged in the upper die base 1 and the bottom is fixed to the upper end of the stripping plate 4; the second spring 10 is fixed in the upper die base 1 at the top, and the bottom passes through the fixed pad 2 and is connected to the fixed plate 3; the punching punch 9 is connected to the lower end of the fixed pad 2, and the forming punch 11 is sleeved on the outside of the punching punch 9 and the two are slidably matched; preferably, the forming punch 11 is a trapezoidal sleeve type, specifically including a positioning portion 11-1 and a forming body 11-2 centrally arranged at the bottom of the positioning portion 11-1, and the stripping plate 4 is provided with a trapezoidal forming through hole facing the punching punch 9 and the forming punch 11 on the basis of the existing structure; the forming through hole includes a positioning hole 15 matched with the positioning portion 11-1, and a forming hole 16 matched with the forming body 11-2 is provided at the bottom of the positioning hole 15.

[0026] A die pad 6 and a die plate 5 are sequentially arranged above the lower die base 7, and the die plate 5 is located below the unloading plate 4; a die insert 12 is arranged at the center of the die plate 5, and a blanking hole 14 facing the punch 9 is commonly arranged at the center of the die insert 12, the die pad 6 and the lower die base 7; a circular groove matching the bottom of the forming body 11-2 is arranged on the outer side of the top of the blanking hole 14 of the die insert 12, and a rounded transition is adopted between the circular groove and the top of the die insert 12.

[0027] Preferably, the second spring 10 is an independent nitrogen spring.

[0028] Working principle:

[0029] like Figure 1 As shown, the integrated forming and punching mold is in the open state: the fixed pad 2 and the fixed plate 3 are open; the unloading plate 4 and the concave mold plate 5 are open, the punching punch 9 and the forming punch 11 are located above the forming through hole and the blanking hole 14, and the first spring 8 and the second spring 10 are both in the extended state.

[0030] like Figure 2 As shown, the forming and punching integrated die is in the material pressing state: the upper die seat 1 is pressed downward, and the first spring 8 is compressed to a certain extent, so that the unloading plate 4 presses the product 13 onto the concave die plate 5;

[0031] like Figure 3 As shown, the punching integrated die is in the state of material pressing completion: the upper die seat 1 is further pressed down, and the second spring 10 is also compressed, so that the forming punch 1111 enters the forming through hole, the positioning portion 11-1 falls into the positioning hole 15, the forming body 11-2 enters the forming hole 16, and the bottom of the forming body 11-2 presses the product 13 into the circular groove;

[0032] like Figure 4 As shown, the forming and punching integrated die is in the punching completion state: the upper die seat 1 is further pressed down, the second spring 10 is further compressed, the forming punch 11 is fixed, and the punching punch 9 moves downward to complete the punching.

[0033] The above shows and describes the basic principles, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions in the specification are only to illustrate the principles of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the protection required by the utility model. The scope of protection required by the utility model is defined by the attached claims and their equivalents.

Claims

1. A forming and punching integrated die, comprising an upper die and a lower die; Features: The upper die comprises an upper die seat and a fixed pad, a fixed plate, a stripper plate, a first spring, a second spring, a punching punch, and a forming punch below the upper die seat; the first spring passes through the fixed pad and the fixed plate, and the top is arranged in the upper die seat, and the bottom is fixed to the upper end of the stripper plate; the second spring is fixed in the upper die seat at the top, and the bottom passes through the fixed pad and is connected to the fixed plate; the punching punch is connected to the lower end of the fixed pad; the forming punch is sleeved on the outside of the punching punch and the two are slidably matched; a trapezoidal forming through hole facing the punching punch and the forming punch is opened at the center of the stripper plate; the forming punch is a trapezoidal sleeve type, specifically including a positioning portion and a forming body centrally arranged at its bottom; The lower die comprises a lower die base, a die pad thereon, and a die plate; a die insert is provided at the center of the die plate; a blanking hole facing the punch is provided at the center of the die insert, the die pad and the lower die base; a circular groove is provided on the outside of the top of the blanking hole of the die insert to cooperate with the bottom of the forming body.

2. The forming and punching integrated die according to claim 1, characterized in that: The molding through hole comprises a positioning hole matched with the positioning portion, and a molding hole matched with the molding body is provided at the bottom of the positioning hole.

3. The forming and punching integrated die according to claim 1, characterized in that: The circular groove and the top of the concave die insert adopt rounded corner transition.

4. The forming and punching integrated die according to claim 1, characterized in that: The first spring is a common spring or an independent nitrogen spring; the second spring is an independent nitrogen spring.

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