Plate stamping die

Abstract

The utility model relates to the technical field of stamping dies, in particular to a plate stamping die which comprises an upper die and a lower die which are connected in a sliding mode, a die core is fixedly arranged at the lower end of the upper die, a die cavity matched with the die core is formed in the top of the lower die, a cavity is formed in the position, located on the lower side of the die cavity, in the lower die, and through holes are formed in the two sides of the top of the cavity. A cavity is formed in the upper die, an ejection mechanism facilitating ejection of a workpiece is arranged in the cavity, circular cavities are formed in the positions, corresponding to the two through holes, in the upper die, sliding holes are formed in the bottoms of the circular cavities, linkage mechanisms are arranged in the circular cavities, the ejection mechanism comprises an ejection plate, the ejection plate is arranged in the cavity in a sliding mode, multiple circular holes are formed in the bottom of the die cavity, and ejection rods are arranged in the circular holes. The lower end of the ejector rod is fixedly connected with the upper end of the ejector plate. The automatic demoulding device can automatically demould stamped workpieces during demoulding, is high in automation degree, improves demoulding efficiency, and reduces labor intensity of workers.

Description

TECHNICAL FIELD

[0001] The utility model relates to punch press die technical field, concretely is a kind of plate stamping die. BACKGROUND

[0002] Punch press die is a kind of special process equipment in cold stamping processing, which processes materials (metal or non-metal) into parts (or semi-finished products), called cold stamping die (commonly known as cold stamping die). Punching is a kind of pressure processing method that separates or plastically deforms materials at room temperature by using dies installed on a press machine to apply pressure, so as to obtain the required parts. Automobile sheet metal stamping die is a tool used for producing automobile sheet metal parts. They apply pressure on metal sheets to stamp them into the required shape and size. These dies play a crucial role in automobile manufacturing. Automobile sheet metal stamping die is usually composed of upper die and lower die.

[0003] In the prior art, when the punch press die is used to stamp the plate, the plate needs to be manually demolded by the worker. The plate and the die cavity are relatively close, and the worker is difficult to manually pick out. The degree of automation is low, and the labor intensity of the worker is increased. Therefore, we provide a kind of plate stamping die. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a kind of plate stamping die, can automatically demold the workpiece after stamping when demolding, degree of automation is high, and improve demolding efficiency, reduce the labor intensity of worker, to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0006] A kind of plate stamping die, including upper die and lower die, the upper die and lower die are slidably connected, the lower end of the upper die is fixedly provided with die core, the top of the lower die is provided with die cavity matched with die core, the inside of the lower die is provided with cavity at the lower side of die cavity, the top of the cavity is provided with through hole on both sides, the inside of the cavity is provided with ejector mechanism for facilitating the workpiece to be ejected, the inside of the upper die is provided with circular cavity corresponding to the position of two through holes, the bottom of the circular cavity is provided with sliding hole, the inside of the circular cavity is provided with linkage mechanism.

[0007] As a further scheme of the utility model, the ejector mechanism includes a top plate, the top plate is slidably arranged in the cavity, the bottom of the die cavity is provided with a plurality of round holes, the round holes are provided with a top rod, the top rod is slidably arranged in the round hole, and the lower end of the top rod is fixedly connected with the upper end of the top plate.

[0008] As a further scheme of the utility model, the linkage mechanism comprises a slide bar and a round block, the slide bar is slidably arranged in the slide hole, the round block is slidably arranged in the circular cavity, the upper end of the slide bar is fixedly connected with the round block, the lower end of the slide bar passes through the through hole and is fixedly connected with the top plate, and the top of the round block is fixedly provided with a spring.

[0009] As a further scheme of the utility model, the diameter of the round block is greater than the hole diameter of the slide hole.

[0010] As a further scheme of the utility model, the spring is always in a compressed state.

[0011] As a further scheme of the utility model, the number of the jacks is four.

[0012] As a further scheme of the utility model, the jacks are arranged at equal intervals.

[0013] Compared with the prior art, the utility model has the beneficial effects that:

[0014] The plate stamping die has the advantages that when the upper die and the lower die are separated, the upper die ascends, the spring pushes down the round block, the round block drives the slide bar to slide, the slide bar drives the top plate to move upwards, the top plate drives the jacks to slide upwards, and the multiple jacks jointly eject the workpiece from the die cavity, so that the degree of automation is high; when stamping, the plate is placed above the die cavity, the die core stamps the plate when the upper die and the lower die are closed, the bottom of the top plate abuts against the lower side of the cavity, and meanwhile the top plate drives the multiple jacks to move out of the die cavity, so that the resetting is completed; the utility model can automatically demold the stamped workpiece during demolding, the degree of automation is high, the demolding efficiency is improved, and the labor intensity of workers is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a structural schematic view of a plate stamping die.

[0016] Figure 2 It is a side view structural schematic view of a plate stamping die.

[0017] Figure 3 It is Figure 2 It is an enlarged schematic view of the local part A.

[0018] In the drawing: 1, upper die; 2, lower die; 3, die cavity; 4, top plate; 5, jack; 6, die core; 7, cavity; 8, slide bar; 9, circular cavity; 10, round block; 11, spring. DETAILED DESCRIPTION

[0019] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described, obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor are within the protection scope of the present application.

[0020] Please refer to Figures 1 to 3 The present application provides a technical solution:

[0021] A plate stamping die, comprising an upper die 1 and a lower die 2, the upper die 1 and the lower die 2 are slidingly connected, the lower end of the upper die 1 is fixedly provided with a die core 6, the top of the lower die 2 is provided with a die cavity 3 matched with the die core 6, the inside of the lower die 2 is provided with a cavity 7 at the lower side of the die cavity 3, both sides of the top of the cavity 7 are provided with through holes, the inside of the cavity 7 is provided with an ejection mechanism for facilitating the ejection of workpieces, the inside of the upper die 1 is provided with a circular cavity 9 corresponding to the positions of the two through holes, the bottom of the circular cavity 9 is provided with a sliding hole, and the inside of the circular cavity 9 is provided with a linkage mechanism.

[0022] The ejection mechanism comprises a top plate 4, the top plate 4 is slidingly arranged in the cavity 7, the bottom of the die cavity 3 is provided with a plurality of round holes, a top rod 5 is arranged in each round hole, the top rod 5 is slidingly arranged in the round hole, the lower end of the top rod 5 is fixedly connected with the upper end of the top plate 4, and the top rod 5 is used for automatically ejecting the workpiece when the die is opened.

[0023] The linkage mechanism comprises a sliding rod 8 and a circular block 10, the sliding rod 8 is slidingly arranged in the sliding hole, the circular block 10 is slidingly arranged in the circular cavity 9, the upper end of the sliding rod 8 is fixedly connected with the circular block 10, the lower end of the sliding rod 8 penetrates through the through hole and is fixedly connected with the top plate 4, the top of the circular block 10 is fixedly provided with a spring 11, the diameter of the circular block 10 is greater than the hole diameter of the sliding hole, the spring 11 is always in a compressed state, and the top plate 4 and the top rod 5 can be reset by the linkage mechanism when the upper die and the lower die are closed.

[0024] The number of the top rods 5 is four, and the plurality of top rods 5 are arranged at equal intervals, so that the contact area between the ejection mechanism and the workpiece is improved.

[0025] When in use, when the upper die 1 and the lower die 2 are separated, the upper die 1 rises, the spring 11 pushes the round block 10 downwards, the round block 10 drives the sliding rod 8 to slide, the sliding rod 8 drives the top plate 4 to move upwards, the top plate 4 drives the plurality of top rods 5 to slide upwards, and the plurality of top rods 5 jointly push the workpiece out of the die cavity 3, so that the degree of automation is high; when stamping, the plate is placed above the die cavity 3, the upper die 1 and the lower die 2 are closed, the die core 6 stamps the plate, the bottom of the top plate 4 driven by the upper die 1 abuts against the lower side of the cavity 7, and meanwhile the plurality of top rods 5 driven by the top plate 4 move to outside of the die cavity 3, so that the resetting is completed, the workpiece after stamping can be automatically demolded when demolding, the degree of automation is high, the demolding efficiency is improved, and the labor intensity of workers is reduced.

[0026] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and modifications can be made to these embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A sheet metal stamping die comprising an upper die (1) and a lower die (2), the upper die (1) and the lower die (2) being connected in sliding, characterized in that: The lower end of the upper die (1) is fixedly provided with a die core (6), the top of the lower die (2) is provided with a die cavity (3) matched with the die core (6), the inside of the lower die (2) is provided with a cavity (7) at the lower side of the die cavity (3), the top of the cavity (7) is provided with a through hole on both sides, the inside of the cavity (7) is provided with an ejection mechanism for facilitating the ejection of a workpiece, the inside of the upper die (1) is provided with a circular cavity (9) corresponding to the positions of the two through holes, the bottom of the circular cavity (9) is provided with a sliding hole, and the inside of the circular cavity (9) is provided with a linkage mechanism.

2. A blanking die according to claim 1, characterized in that: The ejection mechanism comprises a top plate (4) which is slidingly arranged in the cavity (7), the bottom of the die cavity (3) is provided with a plurality of round holes, the round holes are provided with a plurality of ejector rods (5), the ejector rods (5) are slidingly arranged in the round holes, and the lower end of the ejector rod (5) is fixedly connected with the upper end of the top plate (4).

3. The stamping die for a panel according to claim 1, wherein: The linkage mechanism comprises a sliding rod (8) and a circular block (10), the sliding rod (8) is slidingly arranged in the sliding hole, the circular block (10) is slidingly arranged in the circular cavity (9), the upper end of the sliding rod (8) is fixedly connected with the circular block (10), the lower end of the sliding rod (8) penetrates through the through hole and is fixedly connected with the top plate (4), and the top of the circular block (10) is fixedly provided with a spring (11).

4. A blanking die according to claim 3, wherein: The diameter of the circular block (10) is greater than the hole diameter of the sliding hole.

5. A blanking die according to claim 3, wherein: The spring (11) is always in a compressed state.

6. The stamping die for a panel according to claim 2, wherein: The number of the ejector rods (5) is four.

7. The stamping die for a panel according to claim 2, wherein: The plurality of ejector rods (5) are arranged at equal intervals.

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