Punching die of movable insert

Abstract

The punching die of the movable insert comprises an upper die device and a lower die device which are matched with each other, the lower die device comprises a punching male die base and a punching male die core embedded in the punching male die base, a limiting screw is arranged between the punching male die base and the punching male die core, and the limiting screw is connected with the punching male die core in a matched mode. The limiting screw is screwed under the action of a tool so that the punching male die core can be adjusted up and down relative to the punching male die base. Specifically, a punching male die core is matched with a limiting screw, so that a knife edge of the punching male die core can realize up-down lifting adjustment, the edge covering height can be controlled more accurately, and the equipment maintenance or product quality problem caused by the edge covering height problem is avoided; besides, when the edge covering height problem occurs, the problem can be easily solved only by adjusting the height of the limiting screw, so that the maintenance and development time and cost are saved, and the production efficiency is greatly improved.

Description

Technical Field

[0001] The utility model relates to the technical field of punching dies, in particular to a punching die of a movable insert. Background Art

[0002] As shown in the attached figure of the instruction manual Figure 5 As shown in the figure, 1' is the top plate, 2' is the punching die, 3' is the die core, 4' is the punching punch, 5' is the punching fixed plate, and 6' is the bottom plate. The traditional punching die has a fixed blade, and the punching height is relatively uniform. It is processed with fixed values ​​and cannot flexibly adjust the hemming height. If there is a problem with the hemming height, the die needs to be disassembled and rectified by computer gong to reduce the surface. Excessive processing is prone to occur, resulting in high maintenance costs and long modification time; Figure 6 and Figure 7 As shown, 7' is the finished product, 701' is the sheet coating area, 702' is the plastic substrate, and 703' is the exposed white line. Since the punching die cannot flexibly adjust the edge height, the sheet coating area 701' is not edged to the bottom of the plastic substrate 702', resulting in the appearance after assembly being consistent with the plastic substrate 702' and the exposed white line 703' affecting the product consistency.

[0003] Therefore, further improvement is needed. Utility Model Content

[0004] Based on this, the purpose of the utility model is to provide a punching die with a movable insert to overcome the shortcomings of the prior art. The punching punch core and the limit screw are used to adjust the blade up and down. When there is a problem with the edging height, the limit screw height can be adjusted from the bottom, thereby reducing the investment in mold maintenance and development costs, greatly improving the production process and reducing product defective rates.

[0005] A punching die with a movable insert designed for this purpose comprises an upper die device and a lower die device that cooperate with each other, and is characterized in that: the lower die device comprises a punching punch seat and a punching punch core embedded in the punching punch seat, a limit screw is provided between the punching punch seat and the punching punch core, the limit screw is cooperatively connected with the punching punch core, and the limit screw is screwed by a tool to adjust the punching punch core up and down relative to the punching punch seat.

[0006] The punching punch seat is provided with a first recess matched with the punching punch core, and the punching punch core is embedded and installed in the first recess.

[0007] The limiting screw comprises a positioning portion, one end of which abuts against an inner side wall of the first recess.

[0008] A spacing distance a is set between the positioning portion and the punching punch seat, 1mm≤a≤10mm.

[0009] A threaded hole is provided on the punch core, and the limit screw also includes a threaded portion, which is cooperatively connected with the threaded hole. The limit screw is screwed by a tool so that the threaded portion can be displaced relative to the threaded hole, thereby realizing the up and down lifting and lowering adjustment of the punch core.

[0010] The lower die device also includes a bottom plate and a punching fixing plate, wherein the punching fixing plate is fixedly mounted on the bottom plate, and a second recess is provided on the punching fixing plate for mounting the punching punch seat.

[0011] The bottom plate, the punching fixing plate and the punching punch core are provided with connecting holes corresponding to the limit screws, and the tool can be matched with the limit screws after passing through the connecting holes.

[0012] The upper die device includes a top plate, a punching die seat and a die core. The punching die seat is fixedly mounted on the top plate. The punching die seat is provided with a third recess for mounting the die core. When the mold is closed, the die core cooperates with the punching punch core.

[0013] A punching die with a movable insert in the above-mentioned embodiment comprises an upper die device and a lower die device that cooperate with each other, the lower die device comprises a punching die seat and a punching die core embedded in the punching die seat, a limit screw is provided between the punching die seat and the punching die core, the limit screw is connected with the punching die core, and the limit screw is screwed by a tool to adjust the punching die core up and down relative to the punching die seat. Specifically, the punching die core cooperates with the limit screw so that the blade of the punching die core can be adjusted up and down, so that the height of the hemming can be controlled more accurately, avoiding equipment maintenance or product quality problems caused by the problem of the hemming height; this design not only simplifies the production process, but also reduces the extra workload and cost caused by the problem of the hemming height; in addition, when the problem of the hemming height occurs, the problem can be easily solved by adjusting the height of the limit screw, which not only saves the time and cost of maintenance and development, but also greatly improves production efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The drawings constituting a part of the present application are used to provide a further understanding of the present invention. The illustrative embodiments of the present invention and the description thereof are used to explain the present invention and do not constitute an improper limitation on the present invention.

[0015] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0016] Figure 1 This is a sectional view of a punching die in one embodiment of the utility model.

[0017] Figure 2 It is a top view of the lower mold device in one embodiment of the utility model.

[0018] Figure 3 for Figure 2 Cross-sectional view along BB direction.

[0019] Figure 4 It is a cross-sectional view of the structure of a limit screw, a punching punch core and a punching punch seat in one embodiment of the utility model.

[0020] Figure 5-Figure 7 They are schematic diagrams of punching dies and product defects in the prior art respectively. DETAILED DESCRIPTION

[0021] In order to make the above-mentioned purposes, features and advantages of the utility model more obvious and easy to understand, the specific implementation methods of the utility model are described in detail below in conjunction with the accompanying drawings. In the following description, many specific details are set forth to facilitate a full understanding of the utility model. However, the utility model can be implemented in many other ways different from those described herein, and those skilled in the art can make similar improvements without violating the connotation of the utility model, so the utility model is not limited by the specific embodiments disclosed below.

[0022] like Figure 1-Figure 4 As shown, a punching die with a movable insert is provided, including an upper die device 1 and a lower die device 2 that cooperate with each other, the lower die device 2 includes a punching punch seat 201 and a punching punch core 202 embedded in the punching punch seat 201, and a limit screw 3 is provided between the punching punch seat 201 and the punching punch core 202, the limit screw 3 is connected with the punching punch core 202, and the limit screw 3 is screwed by the action of a tool to adjust the punching punch core 202 up and down relative to the punching punch seat 201.

[0023] Specifically, the punching punch core 202 cooperates with the limit screw 3 so that the blade of the punching punch core 202 can be adjusted up and down, so that the height of the edging can be controlled more accurately, avoiding equipment maintenance or product quality problems caused by edging height problems; this design not only simplifies the production process, but also reduces the extra workload and cost caused by edging height problems; in addition, when there is a edging height problem, the problem can be easily solved by adjusting the height of the limit screw 3, which not only saves time and cost for maintenance and development, but also greatly improves production efficiency.

[0024] Further, if Figure 1 As shown, the punching punch seat 201 is provided with a first recess 2011 cooperating with the punching punch core 202 , and the punching punch core 202 is embedded and installed in the first recess 2011 .

[0025] Specifically, the fit between the first recess 2011 and the punching punch core 202 is a clearance fit so that the punching punch core 202 can move up and down relative to the punching punch seat. In order to ensure that the punching punch core 202 can accurately move, the surrounding side walls of the first recess 2011 play a guiding role, and the punching punch core 202 is fixed on the first recess 2011 by the limiting screw 3 to provide stable support for the punch core 202, thereby ensuring the accuracy and safety of the punching process; when punching is required at different punching heights, it is only necessary to adjust the height of the limiting screw 3 to realize the up and down movement of the punching punch core 202 in the punching punch seat 201, thereby completing the punching operation at different punching heights.

[0026] Further, if Figure 3 As shown, the limiting screw 3 includes a positioning portion 301 , and one end of the positioning portion 301 abuts against the inner wall of the first recess 2011 .

[0027] Specifically, the positioning portion 301 abuts against the inner wall of the first recess 2011 to mainly provide a stable supporting effect.

[0028] Further, if Figure 3 and Figure 4 As shown, there is a spacing distance a between the positioning portion 301 and the punching punch seat 201, 1mm≤a≤10mm.

[0029] Specifically, the spacing distance a allows the punching punch core 202 to be adjusted up and down on the punching punch seat 201 .

[0030] Preferably, the spacing distance a is 1 mm, 2 mm, 3 mm, 4 mm, 5 mm, 6 mm, 7 mm, 8 mm, 9 mm, or 10 mm.

[0031] Further, if Figure 3 and Figure 4 As shown, a threaded hole 2021 is provided on the punching punch core 202, and the limit screw 3 also includes a threaded portion 302, which is cooperatively connected with the threaded hole 2021. The limit screw 3 is screwed by a tool so that the threaded portion 302 can be displaced relative to the threaded hole 2021, thereby realizing the up and down lifting and lowering adjustment of the punching punch core 202.

[0032] Specifically, the height adjustment of the punching punch core 202 is achieved through the relative movement of the threaded portion 302 and the threaded hole 2021 , which is convenient for operation and can ensure accurate control of the punching punch core 202 .

[0033] Further, if Figure 1 As shown, the lower die device 2 further includes a bottom plate 203 and a punching fixing plate 204. The punching fixing plate 204 is fixedly mounted on the bottom plate 203. The punching fixing plate 204 is provided with a second recess 2041 for mounting the punching punch seat 201.

[0034] Specifically, the punching fixing plate 204 is fixed to the base plate 203 by means of bolts or the like, and a second recess 2041 is also provided on the punching fixing plate 204. The second recess 2041 may be used to install the punching punch seat 201, providing a stable installation position for the punching punch seat 201, so that the punching punch seat 201 can work in the correct position and with the correct posture, thereby ensuring the quality of punching.

[0035] Further, if Figure 3 and Figure 4 As shown, the bottom plate 203, the punching fixing plate 204 and the punching punch core 202 are provided with connecting holes 2a corresponding to the limit screws 3, and the tool can pass through the connecting holes 2a and cooperate with the limit screws 3.

[0036] Specifically, the lower mold device is mainly composed of a base plate 203, a punching fixing plate 204 and a punching punch core 202. These three parts are provided with connecting holes 2a corresponding to the limit screws 3. The setting of the connecting holes 2a allows the tool to cooperate with the limit screws 3, which can facilitate the operator to accurately insert the tool into the lower mold device when using the tool for punching operations, thereby adjusting the lifting height of the limit screws 3.

[0037] Further, if Figure 1 As shown, the upper mold device 1 includes a top plate 101, a punching die seat 102 and a die core 103. The punching die seat 102 is fixedly mounted on the top plate 101. The punching die seat 102 is provided with a third recess 1021 for mounting the die core 103. When the mold is closed, the die core 103 cooperates with the punching punch core 202.

[0038] Specifically, the upper mold device is mainly composed of a top plate 101, a punching die seat 102 and a die core 103; wherein, the punching die seat 102 is fixedly mounted on the top plate 101, and the punching die seat 102 is provided with a third recess 1021 for installing the die core 103. When mold closing is required, the die core 103 will cooperate with the punching punch core 202 to complete the punching process together.

[0039] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0040] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In the description of the present utility model, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0041] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0042] In the present utility model, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, a first feature being "above", "above" or "above" a second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. A first feature being "below", "below" or "below" a second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

[0043] It should be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it may be directly on the other element or there may be a central element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be a central element at the same time. The terms "vertical", "horizontal", "upper", "lower", "left", "right" and similar expressions used herein are for illustrative purposes only and are not intended to be the only implementation method.

[0044] It should also be understood that when explaining the connection relationship or positional relationship of elements, although not explicitly described, the connection relationship and positional relationship are interpreted as including an error range, which should be within the acceptable deviation range of a specific value determined by those skilled in the art. For example, "approximately", "approximately" or "substantially" may mean within one or more standard deviations, which are not limited here.

[0045] The technical features of the above embodiments may be arbitrarily combined. To make the description concise, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0046] The above embodiments only express several implementation methods of the utility model, and the descriptions are relatively specific and detailed, but they cannot be understood as limiting the scope of the utility model patent. It should be pointed out that for ordinary technicians in this field, several modifications and improvements can be made without departing from the concept of the utility model, which all belong to the protection scope of the utility model. Therefore, the protection scope of the utility model patent shall be based on the attached claims.

Claims

1. A punching die for a movable insert, comprising an upper die device (1) and a lower die device (2) that cooperate with each other, characterized in that: The lower die device (2) comprises a punching punch seat (201) and a punching punch core (202) embedded in the punching punch seat (201); a limit screw (3) is provided between the punching punch seat (201) and the punching punch core (202); the limit screw (3) is cooperatively connected with the punching punch core (202); the limit screw (3) is screwed by a tool so that the punching punch core (202) can be raised and lowered relative to the punching punch seat (201).

2. The punching die for the movable insert according to claim 1, characterized in that: The punching punch seat (201) is provided with a first recess (2011) that cooperates with the punching punch core (202), and the punching punch core (202) is embedded and installed in the first recess (2011).

3. The punching die for the movable insert according to claim 2, characterized in that: The limiting screw (3) comprises a positioning portion (301), one end of the positioning portion (301) being in contact with the inner wall of the first recess (2011).

4. The punching die for the movable insert according to claim 3, characterized in that: A spacing distance a is provided between the positioning portion (301) and the punching punch seat (201), 1mm≤a≤10mm.

5. The punching die for the movable insert according to claim 1, characterized in that: The punching punch core (202) is provided with a threaded hole (2021), and the limit screw (3) further includes a threaded portion (302), the threaded portion (302) is cooperatively connected with the threaded hole (2021), and the limit screw (3) is screwed by a tool so that the threaded portion (302) can be displaced relative to the threaded hole (2021), thereby realizing the upward and downward lifting adjustment of the punching punch core (202).

6. The punching die for the movable insert according to claim 1, characterized in that: The lower die device (2) further comprises a bottom plate (203) and a punching fixing plate (204), wherein the punching fixing plate (204) is fixedly mounted on the bottom plate (203), and a second recess (2041) for mounting the punching punch seat (201) is provided on the punching fixing plate (204).

7. The punching die for the movable insert according to claim 6, characterized in that: The bottom plate (203), the punching fixing plate (204) and the punching punch core (202) are provided with a connecting hole (2a) corresponding to the limiting screw (3), and a tool can be passed through the connecting hole (2a) and then cooperate with the limiting screw (3).

8. The punching die for the movable insert according to claim 1, characterized in that: The upper die device (1) comprises a top plate (101), a punching die seat (102) and a die core (103); the punching die seat (102) is fixedly mounted on the top plate (101); the punching die seat (102) is provided with a third recess (1021) for mounting the die core (103); when the die is closed, the die core (103) cooperates with the punching punch core (202).

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