Product double-punching structure

Abstract

The utility model relates to the technical field of hardware product punching, in particular to a product double-punching structure. The double-punching structure of the product can improve punching accuracy. The device comprises an upper die base, a punch, a nitrogen spring, a female die A, a female die B, a lower die base, a guide rail, a material pressing structure, a punching structure and the like, the punch used for punching a product is arranged on the left side of an inclined wedge, the upper die base is connected with the material pressing structure through the nitrogen spring, the female die A is arranged at the bottom of the material pressing structure, and the lower die base is connected with the guide rail. A female die B is arranged on the left side of the top of the lower die base, the pressing structure is matched with the female die B to position a product, and a punching structure used for conducting double punching on the product is arranged between the upper die base and the inclined wedge. The product can be stably pressed and positioned through the material pressing structure and the positioning groove in the female die B, and the accuracy of the punching position is ensured; meanwhile, due to the design of the punching structure, the punching process is more stable, and the punching precision can be improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of hardware product punching technical field, especially a kind of product double punching structure. BACKGROUND

[0002] Nowadays market competition is fierce, especially for the processing field of hardware metal plate, hardware product needs better quality and lower cost to have competitiveness, and the punching process of hardware product is a crucial technology.

[0003] At present, the hardware product of two punchings in punching process usually needs to be punched by two processes, since the accuracy of each punching is difficult to control in actual operation process of the former and the latter two processes, the concentricity of product punching is difficult to guarantee, which will cause the qualified rate of product to be influenced to a certain extent.

[0004] Therefore, the utility model provides a kind of product double punching structure to solve the problem of not enough precision of punching position in traditional double punching structure. UTILITY MODEL CONTENTS

[0005] In order to overcome the shortcomings of insufficient precision of double punching in actual operation process of existing punching device, the technical problem of the utility model is to provide a kind of product double punching structure capable of improving punching precision.

[0006] The technical implementation scheme of the utility model is: a kind of product double punching structure, including upper die holder, lower die holder, guide rail, inclined wedge and punch, the lower die holder is arranged below the upper die holder, the inclined wedge is slidably arranged on the top of the lower die holder through the guide rail, the punch is arranged on the left side of the inclined wedge for punching the product, further including nitrogen gas spring, female die A, female die B, material pressing structure and punching structure, the material pressing structure is connected to the upper die holder by the nitrogen gas spring, the female die A is arranged on the bottom of the material pressing structure, the female die B is arranged on the left side of the top of the lower die holder, and the material pressing structure and the female die B cooperate to position the product, the punching structure for double punching of the product is arranged between the upper die holder and the inclined wedge.

[0007] Further, the punching structure includes driving block, inclined block and reset piece, the driving block is arranged on the right side of the bottom of the upper die holder, the inclined block is arranged on the left lower side of the driving block and the right side of the inclined wedge respectively, and the two inclined blocks can abut and cooperate with each other, and the reset piece is connected between the right side of the inclined wedge and the right part of the lower die holder.

[0008] Further, the material pressing structure includes material pressing plate and protective pad, the material pressing plate is arranged at the lower part of the nitrogen gas spring, and the protective pad is wrapped around the lower right corner of the material pressing plate.

[0009] Further, the protective pad is designed as a right angle structure, the lower side of the protective pad can abut against the product, and the right side of the protective pad can abut against the upper part of the punch.

[0010] Further, the top of the female die B is provided with a positioning groove for limiting the placed product.

[0011] Further, the material blocking structure comprises a material blocking seat and a buffer plate, the material blocking seat is arranged on the left side of the lower die seat, a material blocking groove is arranged on the right side of the material blocking seat and corresponds to the discharging hole of the female die B, and the buffer plate is arranged on the inner side of the material blocking groove.

[0012] Further, the buffer plate is arranged in a left-high-right-low inclined manner.

[0013] Further, the material collecting disc is arranged above the buffer plate.

[0014] The utility model discloses the beneficial effects of the following: 1, through the material pressing structure and the positioning groove on female die B, the product can be stably pressed and positioned, and the accuracy of the punching position is ensured, meanwhile, the design of the punching structure makes the punching process more stable, and is favorable for improving the punching precision, and the initial pressure is provided by the nitrogen spring, and the sliding cooperation of the guide rail and the inclined wedge is favorable for realizing the fast and continuous double punching of the product, and then is favorable for the concentricity of the product punching.

[0015] 2, through the design of the protective pad, the product can be stably pressed, and the product can be prevented from being damaged by the punch, and then the integrity of the product is protected. DRAWINGS

[0016] Figure 1 It is the three-dimensional structure schematic diagram of the utility model.

[0017] Figure 2 It is the sectional view of the utility model.

[0018] Figure 3 It is the separation state diagram of the upper die seat and the lower die seat of the utility model.

[0019] Figure 4 It is the partial three-dimensional structure schematic diagram of the utility model.

[0020] The meanings of the reference signs in the drawings are as follows: 1, upper die seat, 2, nitrogen spring, 3, material pressing plate, 30, protective pad, 4, female die A, 5, female die B, 50, positioning groove, 6, driving block, 7, lower die seat, 70, guide rail, 8, inclined wedge, 9, punch, 10, inclined block, 11, reset piece, 12, material blocking seat, 13, material blocking groove, 14, buffer plate, 15, material collecting disc, 16, guide rod, a, product. Detailed Implementation

[0021] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0022] Example 1: This utility model provides a product with a double-punched structure, such as... Figures 1 to 4 As shown, the assembly includes an upper die base 1, a nitrogen spring 2, a die cavity A4, a die cavity B5, a lower die base 7, a guide rail 70, a wedge 8, a punch 9, a guide rod 16, a pressure plate structure, and a punching structure. The upper die base 1 is connected to the pressure plate structure via the nitrogen spring 2. The die cavity A4 is located at the bottom of the pressure plate structure. The upper die base 1 is equipped with a guide rod 16, and the lower part of the guide rod 16 is movably inserted into the pressure plate 3, providing positioning guidance when the upper die base 1 moves downward. The lower die base 7 is located below the upper die base 1. The wedge 8 is slidably mounted on the top of the lower die base 7 via the guide rail 70. The punch 9 is located on the left side of the wedge 8, which allows for continuous punching of product a in one pass. The stamping process is repeated twice, which helps to reduce the number of stamping steps. A die B5 is provided on the top left side of the lower die base 7, and the blanking structure cooperates with the die B5 to position the product a. A punching structure is provided between the upper die base 1 and the wedge 8. The punching structure includes a driving block 6, a wedge block 10 and a reset component 11. A driving block 6 is provided on the bottom right side of the upper die base 1. A wedge block 10 is provided on the right side of the wedge 8 and the lower left side of the driving block 6, and the two wedge blocks 10 can abut against each other. A reset component 11 is connected between the right side of the wedge 8 and the right side of the lower die base 7. The reset component 11 is an elastic rubber band used to pull and reset the wedge 8 and the punch 9 on it.

[0023] Furthermore, such as Figure 2 and Figure 3 As shown, the pressure structure includes a pressure plate 3 and a protective pad 30. The pressure plate 3 is located below the nitrogen spring 2, and the protective pad 30 is wrapped around the lower right corner of the pressure plate 3. The protective pad 30 has a right-angle structure design. The lower side of the protective pad 30 can abut against the product a, and the right side of the protective pad 30 can abut against the upper part of the punch 9, which is beneficial to provide a certain clamping and protection effect when stamping the product a. The top of the die B5 has a positioning groove 50, which facilitates the precise positioning of the placed product a, thereby improving the punching quality of the product a.

[0024] The product a to be punched is placed in the positioning groove 50 of the concave die B5, ensuring the accurate position of the product a; the stamping equipment is started to control the upper die holder 1 to move downward, so that the nitrogen gas spring 2 pushes the pressing structure to move downward, and the pressing plate 3 presses the product a through the protection pad 30 to prevent the product a from moving or deforming during the stamping process; as the upper die holder 1 continues to descend, when the inclined blocks 10 on the driving block 6 and the inclined block 10 on the inclined wedge 8 abut against each other, the inclined wedge 8 can push the punch 9 thereon to move to the left to punch the positioned product a; when the punch 9 passes through the product a and the concave die A4, the first hole is punched out; when the punch 9 moves to the left again and passes through the other side of the product a and the concave die B5, the second hole is punched out; in this way, the purpose of punching out two hole positions in one process can be conveniently achieved, thereby being beneficial to ensuring the concentricity of the product a punching and further improving the qualified rate of the product a punching. After the product a is punched, the stamping equipment is controlled to drive the upper die holder 1 and the pressing structure to rise and reset, the punch 9, the inclined wedge 8 and the inclined block 10 thereon are driven to move to the right and reset through the pulling action of the resetting piece 11, and then the product a can be taken out from the concave die B5. In this way, during the punching process of the product a, the initial pressure is provided by the nitrogen gas spring 2, the product a is stably pressed through the pressing structure, and the sliding cooperation of the guide rail 70 and the inclined wedge 8 and the interaction of the driving block 6, the inclined block 10 and the resetting piece 11 of the punching structure can realize the accurate double punching of the product a.

[0025] In the embodiment one, as shown in the figure, the device further comprises a pressing structure, the pressing structure comprises a nitrogen gas spring 2, a pressing plate 3 and a protection pad 30, the nitrogen gas spring 2 is arranged on the left side of the upper die holder 1, the nitrogen gas spring 2 is connected with the pressing plate 3, and the protection pad 30 is arranged on the pressing plate 3. Figures 1 to 4 The device further comprises a blocking structure, the blocking structure comprises a blocking seat 12 and a buffer plate 14, the blocking seat 12 is arranged on the left side of the lower die holder 7, a blocking groove 13 is formed on the right side of the blocking seat 12, the blocking groove 13 corresponds to the discharge hole of the concave die B5, and the buffer plate 14 is arranged on the inner side of the blocking groove 13.

[0026] The above is only a specific implementation manner of the present application, but the protection scope of the present application is not limited to this, any skilled person in the technical field can easily think of changes or replacements within the technical range disclosed by the present application, which should be covered in the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.

Claims

1. A product double-punching structure comprising an upper die holder (1), a lower die holder (7), a guide rail (70), a wedge (8) and a punch (9), wherein the lower die holder (7) is arranged below the upper die holder (1), the wedge (8) is arranged on the top of the lower die holder (7) and slides through the guide rail (70), and the punch (9) for stamping the product (a) is arranged on the left side of the wedge (8), characterized in that, Nitrogen spring (2), female die A (4), female die B (5), pressing structure and punching structure are further included, the upper die holder (1) is connected with the pressing structure through the nitrogen spring (2), the bottom of the pressing structure is provided with the female die A (4), the top left side of the lower die holder (7) is provided with the female die B (5), and the pressing structure and the female die B (5) can cooperate to position the product (a), and the punching structure for double punching of the product (a) is arranged between the upper die holder (1) and the inclined wedge (8).

2. A product double piercing structure as claimed in claim 1, wherein, The punching structure includes driving blocks (6), inclined blocks (10) and return members (11), the bottom right side of the upper die holder (1) is provided with the driving blocks (6), the right side of the inclined wedge (8) and the lower left side of the driving blocks (6) are respectively provided with the inclined blocks (10), and the two inclined blocks (10) can abut and cooperate with each other, and the right side of the inclined wedge (8) and the right part of the lower die holder (7) are connected with the return members (11).

3. The product dual piercing structure of claim 1, wherein, The pressing structure includes a pressing plate (3) and a protective pad (30), the pressing plate (3) is arranged at the lower part of the nitrogen spring (2), and the protective pad (30) is wrapped around the lower right corner of the pressing plate (3).

4. A product double piercing structure as claimed in claim 3, wherein, The protective pad (30) is designed in a right angle structure, the lower side of the protective pad (30) can abut on the product (a), and the right side of the protective pad (30) can abut on the upper part of the punch (9).

5. The product dual piercing structure of claim 1, wherein, The top of the female die B (5) is provided with a positioning groove (50) for limiting the placed product (a).

6. The product dual piercing structure of claim 1, wherein, Further including a material blocking structure, the material blocking structure includes a material blocking seat (12) and a buffer plate (14), the material blocking seat (12) is arranged on the left side of the lower die holder (7), the right side of the material blocking seat (12) is provided with a material blocking groove (13), the material blocking groove (13) corresponds to the discharge hole of the female die B (5), and the inner side of the material blocking groove (13) is provided with the buffer plate (14).

7. A product double piercing structure as claimed in claim 6, wherein, The buffer plate (14) is arranged obliquely from high left to low right.

8. A product double piercing structure as claimed in claim 7, wherein, Further including a material collecting disc (15), the bottom of the lower die holder (7) is placed with the material collecting disc (15), and the buffer plate (14) is located above the material collecting disc (15).

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