A punching die tool for an end plate

Abstract

The utility model provides a kind of end plate punching die frock, it is related to die casting end plate processing technical field, including telescopic cylinder, the output of telescopic cylinder is oppositely fixed with punch needle, and one end of punch needle is punch, and the end surface of punch is concave wave pattern curved surface, and the upper portion and lower portion of wave pattern curved surface are inclined to set, and the inclination angle relative to central axis is less than ninety degrees.The end plate punching die frock, when using, telescopic cylinder drives punch needle to move, punch needle is punched to end plate, and end plate is formed with several holes, when punching, the punch of end surface is concave wave pattern curved surface, and its end portion is crescent, since the upper portion and lower portion of punch are inclined to set, and the inclination angle relative to central axis is less than ninety degrees, so that punch end surface curve presents relatively sharp cutting edge, it is convenient for end plate aluminum sheet to be subjected to more uniform shearing force in punching process, stress concentration phenomenon is effectively relieved, so that it can be completely broken off aluminum sheet smoothly, avoid aluminum sheet residue in hole.

Description

Technical Field

[0001] This utility model relates to the field of die-casting end plate processing technology, and more specifically, to an end plate punching mold tooling. Background Technology

[0002] In the new energy vehicle industry, punching dies are an indispensable tooling in the production of die-cast end plates, playing a crucial role in the entire production process. Their performance directly affects product quality and production efficiency.

[0003] During the punching process of the end plate, due to the numerous holes in the end plate structure, die casting is required to achieve the punching of these holes. Traditional punching die needles have a relatively simple structure, usually cylindrical, with a generally flat end face. The cylindrical end of the punch is difficult to completely punch through the aluminum sheet of the end plate, resulting in aluminum sheet residue easily remaining in the die-cast holes. Utility Model Content

[0004] The present invention aims to solve the problem that existing punches are difficult to completely break through the aluminum sheet of the end plate, resulting in aluminum sheet residue in the die-cast holes.

[0005] To solve the above problems, this utility model provides an end plate punching mold tooling, including a telescopic cylinder, wherein a punch is fixedly attached to the output end of the telescopic cylinder. One end of the punch is a punch head, the end face of which is a concave wavy surface, and the upper and lower parts of the wavy surface are inclined, with an inclination angle of less than 90 degrees relative to the central axis.

[0006] The end plate punching die tooling provided by this utility model has the following beneficial effects compared with the prior art: This end plate punching die fixture is used in which a telescopic cylinder drives the punch to move, punching holes in the end plate to form several holes. During punching, the punch has a concave wavy curved surface and its end is crescent-shaped. Because the upper and lower parts of the punch are inclined and the inclination angle relative to the central axis is less than 90 degrees, the end face curve of the punch has a relatively sharp cutting edge. This makes it easier for the shearing force on the aluminum sheet of the end plate to be more uniform during the punching process, and the stress concentration phenomenon is effectively alleviated. This allows the aluminum sheet to be punched out completely and smoothly, ensuring the appearance quality of the end plate and avoiding aluminum sheet residue in the holes.

[0007] Furthermore, it also includes a base plate, a platform is provided on the top of the base plate, an end plate is located on the top of the platform, and a plurality of rotary clamping cylinders are provided on the base plate, with the plurality of rotary clamping cylinders respectively located at the four corners of the end plate.

[0008] Furthermore, a pressure bar is connected to the output end of the rotary clamping cylinder, and the pressure bar abuts against the end plate.

[0009] Furthermore, the telescopic cylinders are provided around the perimeter of the end plate, and a slider is fixedly installed at the output end of the telescopic cylinder.

[0010] Furthermore, the slider is fixedly equipped with several punches.

[0011] Furthermore, several punches on the same slider are distributed sequentially at intervals along the length of the slider.

[0012] Furthermore, sliders are provided on both sides of the slider.

[0013] Furthermore, a step is provided at the top of the slider.

[0014] Furthermore, steps are provided on both sides of the slider.

[0015] Furthermore, the steps of the slider are configured to overlap with the steps of the slide bar. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the end plate punching mold tooling according to an embodiment of the present utility model; Figure 2 for Figure 1 Enlarged view of point A in the middle; Figure 3 This is a schematic diagram of the punch structure; Figure 4 This is a schematic diagram of a partial structure of the punch.

[0017] Explanation of reference numerals in the attached figures: 1. Telescopic cylinder; 2. Slider; 3. Punch; 31. Punch head; 4. Rotary clamping cylinder; 41. Pressure bar; 5. Sliding bar. Detailed Implementation

[0018] To make the objectives, technical solutions, and advantages of this application clearer, the technical solutions in the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings showing multiple embodiments according to this application. It should be understood that the described embodiments are only a part of the embodiments of this application, and not all of the embodiments. All other embodiments obtained by those skilled in the art based on the embodiments described in this application without creative effort will fall within the scope of protection of this application.

[0019] Unless otherwise defined, all technical and scientific terms used in this application have the same meaning as commonly understood by one of ordinary skill in the art to which this application pertains; the terminology used in the description of this application is for the purpose of describing specific embodiments only and is not intended to limit this application; the terms "comprising," "including," "having," "containing," etc., in the description, claims, and accompanying drawings of this application are open-ended terms. Therefore, "comprising," "including," or "having" refers to, for example, a method or apparatus having one or more steps or elements, but is not limited to having only these one or more elements. The terms "first," "second," etc., in the description, claims, or accompanying drawings of this application are used to distinguish different objects, not to describe a specific order or hierarchy. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this application, unless otherwise stated, "a plurality of" means two or more.

[0020] In the description of this utility model, it should be understood that the terms "upper", "lower", "left", "right", "front", "rear", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0021] Furthermore, in the attached diagram, the X-axis represents the vertical direction, that is, the front-to-back position, and the positive direction of the X-axis (that is, the direction the arrow points to) represents the front, and the negative direction of the X-axis (that is, the direction opposite to the positive direction of the X-axis) represents the back; in the attached diagram, the Y-axis represents the horizontal direction, that is, the left-to-right position, and the positive direction of the Y-axis (that is, the direction the arrow points to) represents the left, and the negative direction of the Y-axis (that is, the direction opposite to the positive direction of the Y-axis) represents the right; in the attached diagram, the Z-axis represents the vertical direction, that is, the up-to-down position, and the positive direction of the Z-axis (that is, the direction the arrow points to) represents the up, and the negative direction of the Z-axis (that is, the direction opposite to the positive direction of the Z-axis) represents the down.

[0022] It should also be noted that the aforementioned X-axis, Y-axis and Z-axis are used only for the convenience of describing the present invention and simplifying the description, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the present invention.

[0023] In the description of this application, it should be noted that, unless otherwise expressly specified and limited, the terms "installation," "connection," "linking," and "attachment" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal communication between two components. Those skilled in the art can understand the specific meaning of the above terms in this application according to the specific circumstances.

[0024] It should be emphasized that when the term "comprising / including" is used in this specification, it is used to explicitly indicate the presence of the stated feature, integer, step, or component, but does not exclude the presence or addition of one or more other features, integers, steps, parts, or groups of features, integers, steps, or parts.

[0025] In this application, the term "and / or" is merely a description of the relationship between related objects, indicating that three relationships can exist. For example, A and / or B can represent: A existing alone, A and B existing simultaneously, or B existing alone. Additionally, in this application, the character " / " generally indicates that the preceding and following related objects have an "or" relationship.

[0026] See Figure 1 , Figures 3-4 An end plate punching mold tooling according to an embodiment of the present utility model includes a telescopic cylinder 1, and a punch 3 is fixedly attached to the output end of the telescopic cylinder 1.

[0027] One end of the punch 3 is a punch head 31. The end face of the punch head 31 is a concave wavy surface, and the upper and lower parts of the wavy surface are inclined, and the inclination angle α relative to the central axis is less than ninety degrees.

[0028] In this embodiment, during use, the telescopic cylinder 1 drives the punch 3 to move, and the punch 3 punches holes in the end plate, forming several holes in the end plate. During punching, the punch 31, with its concave wavy curved surface, has a crescent-shaped end. Because the upper and lower parts of the punch 31 are inclined, and the inclination angle relative to the central axis is less than 90 degrees, the end face curve of the punch 31 presents a relatively sharp cutting edge. The end face of the punch 31 is a three-dimensional curved surface. Compared with the two-dimensional curved surface of the cylindrical punch end face in the prior art, it effectively improves the shearing function of the punch 3, making the shearing force on the aluminum sheet of the end plate more uniform during the punching process, effectively alleviating the stress concentration phenomenon, thereby successfully and completely breaking the aluminum sheet, ensuring the appearance quality of the end plate, and avoiding aluminum sheet residue in the holes.

[0029] The inventors discovered that even if the existing cylindrical punch completely breaks the aluminum sheet during punching, the outer edge of the aluminum sheet is compatible with the shape of the hole, making it easy for the aluminum sheet to get stuck inside the hole.

[0030] In this application, the end face of the punch 31 is a concave wavy curved surface, which can cause the punched aluminum sheet to curl and deform, thereby reducing the area of ​​the aluminum sheet. The subsequent oscillating end plate can then smoothly disengage the aluminum sheet from the hole, avoiding the aluminum sheet from getting stuck inside the hole and forming aluminum sheet residue.

[0031] Optionally, see Figures 1-2 It also includes a base plate, a platform on top of the base plate, an end plate on top of the platform, and multiple rotary clamping cylinders 4 on the base plate, with the multiple rotary clamping cylinders 4 located at the four corners of the end plate respectively.

[0032] In this embodiment, the platform serves as the positioning structure for the end plate. Once the end plate is fixed, to prevent the end plate from shifting due to the punch 3 moving during punching, the end plate can be clamped and fixed by rotating the clamping cylinder 4.

[0033] Optionally, see Figures 1-2 The output end of the rotary clamping cylinder 4 is connected to a pressure bar 41, which abuts against the end plate.

[0034] In this embodiment, the rotary clamping cylinder 4 presses down on the end plate by the pressure bar 41, so that the end plate is clamped between the base and the pressure bar 41, thereby achieving fixation.

[0035] Optionally, see Figure 1 Telescopic cylinders 1 are provided around the end plate, and sliders 2 are fixedly installed at the output end of the telescopic cylinders 1.

[0036] The length direction of the end plate is X-axis, and the width direction is Y-axis. The number of telescopic cylinders 1 set in the X and Y directions needs to be based on the actual length and width values ​​of the end plate.

[0037] In this embodiment, two telescopic cylinders 1 are provided on each side of the end plate along its length, and one telescopic cylinder 1 is provided on each side of the end plate along its width. Each telescopic cylinder 1 on each side of the end plate along its length shares a common slider 2. During punching, the telescopic cylinder 1 drives the slider 2 to move, and the slider 2 drives several punches 3 to punch holes in the end plate.

[0038] Optionally, see Figure 1 The slider 2 is fixedly equipped with several punches 3, and the punches 3 on the same slider 2 are distributed at intervals along the length of the slider 2.

[0039] In this embodiment, several punches 3 are provided on the same slider 2 to facilitate batch punching of the end plate.

[0040] Optionally, see Figure 1 Both sides of slider 2 are provided with sliders 5, the top of sliders 5 is provided with a step, and both sides of slider 2 are also provided with steps. The steps of slider 2 and the steps of sliders 5 are connected.

[0041] In this embodiment, a slide block is fixedly installed at the bottom of the slide bar 5, and the slide block is fixedly installed on the base plate. When the telescopic cylinder 1 drives the slider 2 to move, the slide bar 5 acts as a track structure to guide the movement of the slider 2, and the overlap between the two makes the slider 2 slide more stably.

[0042] The working principle of this utility model is as follows: the telescopic cylinder 1 drives the slider 2 to move, the slider 2 drives the punch 3 to move, and the punch 3 punches holes in the end plate to form several holes in the end plate.

[0043] Although the present invention has been disclosed above, its scope of protection is not limited thereto. Those skilled in the art can make various changes and modifications without departing from the spirit and scope of the present invention, and all such changes and modifications will fall within the scope of protection of the present invention.

Claims

1. A punching die fixture for an end plate, characterized in that, Includes a telescopic cylinder (1), and the output end of the telescopic cylinder (1) is fixed with a punch (3); One end of the punch (3) is a punch head (31), the end face of the punch head (31) is a concave wavy surface, and the upper and lower parts of the wavy surface are inclined, and the inclination angle relative to the central axis is less than 90 degrees.

2. The end plate punching die fixture according to claim 1, characterized in that, It also includes a base plate, a platform is provided on the top of the base plate, an end plate is located on the top of the platform, and a plurality of rotary clamping cylinders (4) are provided on the base plate, with the plurality of rotary clamping cylinders (4) respectively located at the four corners of the end plate.

3. The end plate punching die fixture according to claim 2, characterized in that, The output end of the rotary clamping cylinder (4) is connected to a pressure bar (41), which abuts against the end plate.

4. The end plate punching die fixture according to claim 2, characterized in that, The telescopic cylinder (1) is provided around the end plate, and a slider (2) is fixedly installed at the output end of the telescopic cylinder (1).

5. The end plate punching die fixture according to claim 4, characterized in that, The slider (2) is fixedly mounted with several punches (3).

6. The end plate punching die fixture according to claim 5, characterized in that, Several punches (3) on the same slider (2) are distributed at intervals along the length of the slider (2).

7. The end plate punching die fixture according to claim 6, characterized in that, The slider (2) is provided with sliders (5) on both sides.

8. The end plate punching die fixture according to claim 7, characterized in that, The top of the slider (5) is provided with a step.

9. The end plate punching die fixture according to claim 8, characterized in that, Steps are provided on both sides of the slider (2).

10. The end plate punching die fixture according to claim 9, characterized in that, The step of the slider (2) overlaps with the step of the slider (5).

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