Die side punching wedge structure

Abstract

The utility model discloses a side punching wedge structure of a die, which is characterized in that a wedge punch is arranged in an upper die component, and the upper end of the wedge punch is fixed on an upper die holder; a to-be-punched product is placed on the lower die assembly, a wedge driving block used for being matched with the wedge punch to conduct side punching on the product is arranged on the lower die assembly, a driving block punch and a driving block insert core are arranged on the side, close to the product, of the wedge driving block, and a punching cutter edge insert core matched with the driving block insert core is arranged on the lower die plate. The inclined wedge punch can be arranged in the inclined wedge driving block in an inclined sliding mode so that downward force borne by the inclined wedge punch can be converted into lateral force when the two inclined faces make contact with each other, the inclined wedge driving block transversely pushes the driving block insert core to punch products, and the side punching inclined wedge structure of the die is small in occupied die space, low in cost and high in practicability. The side punching of the product in the small space of the die can be realized.

Description

Technical Field

[0001] The utility model belongs to the technical field of mold processing, and in particular relates to a mold side punch wedge structure. Background Art

[0002] The description in this section merely provides background information related to the disclosure of the present utility model and does not constitute prior art.

[0003] Most of the side punch structure wedges on the market are standard wedges with meter or disk marks, which can only use 5° as a standard and cannot achieve the required angle accuracy. In addition, the mold occupies a large space and cannot be miniaturized. However, for small products or those that require a small space in the mold, it is impossible to install the technical requirements of standard wedges with meter or disk marks.

[0004] It should be noted that the above introduction to the technical background is only for the convenience of providing a clear and complete description of the technical solutions of the utility model and for the convenience of understanding by those skilled in the art. It cannot be considered that the above technical solutions are well known to those skilled in the art simply because these solutions are described in the background technology section of the utility model. Utility Model Content

[0005] In order to overcome the defects in the prior art, the utility model provides a mold side punching inclined wedge structure, which occupies a small mold space, has low cost, and can realize side punching of products in a small mold space.

[0006] The utility model discloses a mold side punch wedge structure, comprising:

[0007] An upper die assembly, the upper die assembly comprising an upper die seat, an upper pad, an upper clamping plate, a stop plate and a stripping plate arranged in sequence from top to bottom, an inclined wedge punch is arranged in the upper clamping plate, and the upper end of the inclined wedge punch is fixed on the upper die seat;

[0008] A lower die assembly, the lower die assembly comprises a lower die seat, a lower pad and a lower template arranged in sequence from bottom to top, the lower template and the lower pad are fixedly connected, a product to be punched is placed on the lower template, the lower die seat is provided with an inclined wedge driving block for cooperating with the inclined wedge punch to perform side punching on the product, a driving block punch and a driving block insert are provided on the side of the inclined wedge driving block close to the product, and the lower template is provided with a punching blade insert cooperating with the driving block insert;

[0009] The inclined wedge punch can be tilted and slidably arranged in the inclined wedge driving block to convert the downward force exerted on the inclined wedge punch into a lateral force when the two inclined surfaces contact, and the inclined wedge driving block laterally pushes the driving block into the punch to punch the product.

[0010] Furthermore, in the above-mentioned mold side punch bevel wedge structure, the bevel wedge punch includes a main body embedded in the upper mold assembly and a bevel head that can be tilted and slid into the bevel wedge driving block, the bevel head is provided with a first bevel, and the angle between the first bevel and the plane where the lower mold plate is located is a first angle.

[0011] Furthermore, in the above-mentioned mold side punch wedge structure, an inclined slide is provided in the inclined wedge driving block, and the inclined slide is provided with a second inclined plane, the second inclined plane is parallel to the first inclined plane, the angle between the second inclined plane and the vertical direction is a second angle, and the sum of the second angle and the first angle is 90°.

[0012] Furthermore, in the above-mentioned mold side punch wedge structure, the second angle ranges from 35° to 45°.

[0013] Furthermore, in the above-mentioned mold side punch wedge structure, a stripping spring is provided in the upper mold base and the upper clamping plate, and the lower end of the stripping spring abuts against the stripping plate to push the stripping plate to separate from the upper clamping plate.

[0014] Furthermore, in the above-mentioned mold side punch inclined wedge structure, a return hole is horizontally opened on the side of the inclined wedge driving block, a return spring and a return push rod driven by the return spring to slide horizontally are arranged in the return hole, and one end of the return push rod is arranged on the lower pad.

[0015] It can be seen from the above technical solution that the utility model has the following beneficial effects:

[0016] The inclined wedge structure of the mold side punch described in the utility model has the following advantages: when the stripping plate presses the product, the inclined head of the inclined wedge punch contacts the inclined surface of the inclined wedge driving block, so that the inclined wedge driving block generates a lateral rightward driving force, the upper clamping plate continues to press downward, the inclined wedge punch moves downward, and when the upper mold assembly and the lower mold assembly are closed, the inclined wedge driving block pushes the driving block insert and the driving block punch and the cutting edge insert to the right horizontally to cooperate in stamping the product, so that the product achieves the expected stamping effect; when the stamping action is completed, the inclined wedge punch moves upward, and the upper surface of the inclined head part of the inclined wedge punch contacts the inner surface of the inclined wedge driving block, so that the inclined wedge driving block moves horizontally to the left, achieving the effect of forced return. The inclined wedge structure of the mold side punch of the present application occupies a small mold space and has low cost, and can realize side punching of the product in a small mold space.

[0017] In order to make the above and other purposes, features and advantages of the present invention more obvious and easy to understand, preferred embodiments are specifically cited below and described in detail with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0019] Figure 1 It is a closed schematic diagram of the upper die assembly and the lower die assembly in the die side punch wedge structure in the embodiment of the utility model;

[0020] Figure 2 It is a schematic diagram of the mold opening of the upper mold assembly and the lower mold assembly in the embodiment of the utility model;

[0021] Figure 3 This is a schematic diagram of the state in which the inclined wedge punch moves downward in the embodiment of the utility model;

[0022] Figure 4 It is a schematic diagram of the state in which the inclined wedge punch moves upward in the embodiment of the utility model.

[0023] The figure marks of the above drawings are: 11, upper die seat; 12, upper pad; 13, upper clamping plate; 14, stop plate; 15, stripper plate; 16, stripper spring; 21, lower die seat; 22, lower pad; 23, lower template; 3, bevel punch; 31, main body; 32, bevel head; 321, first bevel; 4, bevel drive block; 41, slideway; 411, second bevel; 42, drive block punch; 43, drive block entry; 44, punching edge entry; 45, return hole; 46, return spring; 47, return push rod; 5, product; α, first angle; β, second angle. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] It should be noted that in the description of the present invention, the terms "first", "second", etc. are only used for descriptive purposes and to distinguish similar objects. There is no order of precedence between the two, and they cannot be understood as indicating or implying relative importance. In addition, in the description of the present invention, unless otherwise specified, "plurality" means two or more.

[0026] The utility model is described in detail below with reference to the accompanying drawings and embodiments.

[0027] Reference Figures 1 to 4 This embodiment provides a die side punch wedge structure, including:

[0028] An upper die assembly, the upper die assembly includes an upper die base 11, an upper pad 12, an upper clamping plate 13, a stop plate 14 and a stripper plate 15 arranged in sequence from top to bottom, an inclined wedge punch 3 is arranged in the upper clamping plate 13, and the upper end of the inclined wedge punch 3 is fixed to the upper die base 11 by bolts or other fasteners;

[0029] A lower die assembly, the lower die assembly comprises a lower die base 21, a lower pad 22 and a lower template 23 arranged in sequence from bottom to top, the lower template 23 and the lower pad 22 are fixedly connected, a product 5 to be punched is placed on the lower template 23, the lower die base 21 is provided with an inclined wedge driving block 4 for cooperating with the inclined wedge punch 3 to perform side punching on the product 5, the inclined wedge driving block 4 is provided with a driving block punch 42 and a driving block insert 43 on a side close to the product 5, and the lower template 23 is provided with a punching blade insert 44 cooperating with the driving block insert 43;

[0030] Among them, the inclined wedge punch 3 can be tilted and slidably arranged in the inclined wedge driving block 4 to convert the downward force exerted on the inclined wedge punch 3 into lateral force when the two inclined surfaces contact, and the inclined wedge driving block 4 pushes the driving block 43 laterally to punch the product 5.

[0031] By means of the above structure, refer to Figure 3 When the stripper plate 15 presses the product 5, the inclined head 32 of the inclined wedge punch 3 contacts the inclined surface of the inclined wedge driving block 4, so that the inclined wedge driving block 4 generates a lateral rightward driving force, and the upper clamping plate 13 continues to press downward, and the inclined wedge punch 3 moves downward. When the upper die assembly and the lower die assembly are closed, the inclined wedge driving block 4 pushes the driving block insert 43 and the driving block punch 42 laterally to the right to stamp the product 5, so that the product 5 achieves the expected stamping effect; refer to Figure 4 When the punching action is completed, the bevel punch 3 moves upward, and the upper surface of the bevel head 32 of the bevel punch 3 contacts the inner surface of the bevel drive block 4, causing the bevel drive block 4 to move horizontally to the left, achieving the effect of forced return.

[0032] Specifically, in this embodiment, the bevel punch 3 includes a main body 31 embedded in the upper mold assembly and a bevel head 32 that can be tilted and slid into the bevel drive block 4, and the bevel head 32 is provided with a first bevel 321, and the angle between the first bevel 321 and the plane where the lower mold plate 23 is located is a first angle α.

[0033] Specifically, in the present embodiment, an inclined slide 41 is provided in the inclined wedge driving block 4, and the inclined slide 41 is provided with a second inclined surface 411, the second inclined surface 411 is parallel to the first inclined surface 321, the angle between the second inclined surface 411 and the vertical direction is a second angle β, and the sum of the second angle β and the first angle α is 90°, the range of the second angle β is between 35° and 45°, preferably, when the first angle α and the second angle β are both 45°, the stroke of the inclined wedge punch 3 and the inclined wedge driving block 4 are consistent, when the first angle α is 55° and the second angle β is 35°, the movement stroke of the inclined wedge punch 3 is larger than the movement stroke of the inclined wedge driving block 4.

[0034] Specifically, in the present embodiment, a stripping spring 16 is provided in the upper die base 11 and the upper clamping plate 13 , and the lower end of the stripping spring 16 abuts against the stripping plate 15 to push the stripping plate 15 to separate from the upper clamping plate 13 .

[0035] Specifically, in this embodiment, a return hole 45 is horizontally opened on the side of the inclined wedge driving block 4, and a return spring 46 and a return push rod 47 driven by the return spring 46 to slide horizontally are arranged in the return hole 45, and one end of the return push rod 47 is arranged on the lower pad 22. When the upper mold assembly and the lower mold assembly are closed, the return spring 46 in the return hole 45 is always in a compressed state. When the inclined wedge punch 3 moves upward, the pressure on the return spring 46 and the return push rod 47 disappears. Under the elastic force of the return spring 46, the inclined wedge driving block 4, the driving block punch 42 and the driving block insert 43 move leftward and return to the initial position, so as to prevent the risk of the entire mold from exploding due to the problem of the spring.

[0036] With the above structure, the bevel punch 3 includes a main body 31 embedded in the upper mold assembly and a bevel head 32 that can be tilted and slid into the bevel drive block 4. When the stripping plate 15 presses the product 5, the bevel head 32 of the bevel punch 3 contacts the inclined surface of the bevel drive block 4, so that the bevel drive block 4 generates a lateral rightward driving force, and the upper clamping plate 13 continues to press downward, and the bevel punch 3 moves downward. When the upper mold assembly and the lower mold assembly are closed, the bevel drive block 4 pushes the drive block insert 43 and the drive block punch 42 to the right laterally to cooperate with the punching edge insert 44 to stamp the product 5, so that the product 5 achieves the expected stamping effect; when the stamping action is completed, the bevel punch 3 moves upward, and the upper surface of the bevel head 32 of the bevel punch 3 contacts the inner surface of the bevel drive block 4, so that the bevel drive block 4 moves laterally to the left, achieving the effect of forced return. The mold side punching bevel wedge structure of the present application occupies a small mold space and has low cost, and can realize side punching of the product 5 in a small mold space.

[0037] The utility model uses specific embodiments to illustrate the principle and implementation method of the utility model. The description of the above embodiments is only used to help understand the technical solution and core idea of ​​the utility model. At the same time, for ordinary technicians in this field, according to the idea of ​​the utility model, there will be changes in the specific implementation method and application scope. In summary, the content of this specification should not be understood as a limitation on the utility model.

Claims

1. A mold side punch wedge structure, characterized in that: include: An upper die assembly, the upper die assembly comprising an upper die seat, an upper pad, an upper clamping plate, a stop plate and a stripping plate arranged in sequence from top to bottom, an inclined wedge punch is arranged in the upper clamping plate, and the upper end of the inclined wedge punch is fixed on the upper die seat; A lower die assembly, the lower die assembly comprises a lower die seat, a lower pad and a lower template arranged in sequence from bottom to top, the lower template and the lower pad are fixedly connected, a product to be punched is placed on the lower template, the lower die seat is provided with an inclined wedge driving block for cooperating with the inclined wedge punch to perform side punching on the product, a driving block punch and a driving block insert are provided on the side of the inclined wedge driving block close to the product, and the lower template is provided with a punching blade insert cooperating with the driving block insert; The inclined wedge punch can be tilted and slidably arranged in the inclined wedge driving block to convert the downward force exerted on the inclined wedge punch into a lateral force when the two inclined surfaces contact, and the inclined wedge driving block laterally pushes the driving block into the punch to punch the product.

2. The mold side punch wedge structure according to claim 1 is characterized in that: The inclined wedge punch includes a main body embedded in the upper mold assembly and an inclined head that can be tilted and slid into the inclined wedge driving block. The inclined head is provided with a first inclined surface, and the angle between the first inclined surface and the plane where the lower mold plate is located is a first angle.

3. The mold side punch wedge structure according to claim 2 is characterized in that: The inclined wedge driving block is provided with an inclined slideway, and the inclined slideway is provided with a second inclined plane, the second inclined plane is parallel to the first inclined plane, the angle between the second inclined plane and the vertical direction is a second angle, and the sum of the second angle and the first angle is 90°.

4. The mold side punch wedge structure according to claim 3 is characterized in that: The second angle ranges from 35° to 45°.

5. The mold side punch wedge structure according to claim 1, characterized in that: A stripping spring is provided in the upper die seat and the upper clamping plate, and the lower end of the stripping spring abuts against the stripping plate to push the stripping plate to separate from the upper clamping plate.

6. The mold side punch wedge structure according to claim 1, characterized in that: A return hole is horizontally opened on the side of the inclined wedge driving block, a return spring and a return push rod driven by the return spring to slide horizontally are arranged in the return hole, and one end of the return push rod is arranged on the lower pad.

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