Composite part drawing die structure and die

Abstract

The utility model belongs to the technical field of dies, and particularly discloses a composite part drawing die structure and a die. The composite part drawing die structure comprises a male die, and a first working area and at least one second working area are arranged on the male die; the female die is provided with a third working area and at least one fourth working area, the third working area corresponds to the first working area, and the fourth working area corresponds to the second working area; the blank holder is arranged between the male die and the female die and used for pressing the raw materials; wherein the first working area and the third working area are used for forming a first workpiece, and the second working area and the fourth working area are used for forming a second workpiece from waste materials of raw materials. In the main forming process of the first workpiece, the first forming part and the second forming part are arranged to form other required small workpieces, so that the utilization rate of waste materials is improved, the manufacturing cost is reduced, and the operating benefits of enterprises are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of molds, in particular to a composite part drawing mold structure and a mold. Background Art

[0002] The working principle of the drawing die is mainly to stretch and extend the raw material to further change its shape and size. This process is the first step in the forming of automotive stamping products. The flat material is stamped into a part with the basic shape of the product on the press through the drawing die. The design, debugging and matching of the drawing die are the key to achieving the forming requirements of automotive stamping parts.

[0003] In the prior art, for the automotive field, the stamping die process is mature, and the window frame position, wheel arc position, and side door opening position of large stamping parts can be drawn without puncturing, forming large pieces of waste, some of which are collected for secondary use and used to stamp another small part, so small tooling is required; and some are directly treated as waste. The above treatment methods greatly reduce the utilization value of this sheet material. In view of this, the applicant proposes a composite part drawing die structure and die. Utility Model Content

[0004] In view of the above-mentioned shortcomings of the prior art, the purpose of the utility model is to provide a composite part drawing die structure and a die, which are used to solve the problem of low waste utilization rate when molding large automobile parts in the prior art.

[0005] In order to achieve the above-mentioned purpose and other related purposes, the utility model provides a composite part drawing die structure, comprising:

[0006] A male mold, wherein the male mold is provided with a first working area and at least one second working area;

[0007] A concave mold, wherein a third working area and at least one fourth working area are provided on the concave mold, wherein the third working area corresponds to the first working area, and the fourth working area corresponds to the second working area;

[0008] A blank holder ring is arranged between the male die and the female die and is used to press the raw material;

[0009] The first working area and the third working area are used to form the first workpiece, and the second working area and the fourth working area are used to form the second workpiece using waste raw materials.

[0010] Optionally, a first molding area is provided on the second working area, a second molding area is provided on the fourth working area, a plurality of first molding parts are provided on the first molding area, and a second molding part corresponding to the first molding part is provided on the second molding area, and when the punch and the die are closed, the first molding part enters the second molding part to form the second workpiece.

[0011] Optionally, a first guide block is provided on the side wall of the punch, and a second guide block corresponding to the first guide block is provided on the side wall of the blank holder, and the first guide block can be slidably matched with the second guide block.

[0012] Optionally, a side of the blank holder ring close to the die is provided with draw ribs distributed along the circumference of the blank holder ring, and a side of the die close to the blank holder ring is provided with matching grooves corresponding to the draw ribs, and when the punch and die are closed, the draw ribs enter the matching grooves.

[0013] Optionally, a plurality of positioning pins are provided on a side of the blank holder close to the die, and a positioning hole corresponding to the positioning pins is provided on a side of the die close to the blank holder ring, and the positioning pins can be used to be plugged into the positioning holes.

[0014] Optionally, a positioning block is provided on the pressure ring, a positioning groove is provided on the die, and the positioning block is arranged corresponding to the positioning groove.

[0015] Optionally, a support seat is provided on the punch, and the support seat is used to support the pressure ring.

[0016] The utility model also provides a mold, which comprises the above-mentioned composite part drawing mold structure.

[0017] As described above, the composite part drawing die structure and die proposed by the utility model have the following beneficial effects:

[0018] In the utility model, by arranging the first working area and the second working area on the punch, it is possible to form main parts in the first working area and the third working area, and at the same time, other required small parts can be formed by the cooperation of the second working area and the fourth working area. Therefore, a plurality of parts can be formed by a pair of molds, thereby reducing the production cost of the parts. At the same time, there is no need to collect waste materials for centralized treatment again, nor is there any need to scrap them directly, thereby improving the utilization rate of the waste materials. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 Shown is a schematic structural diagram of an embodiment of the utility model;

[0020] Figure 2 Shown is a schematic structural diagram of a male mold in one embodiment of the utility model;

[0021] Figure 3 Shown is a schematic structural diagram of a blank holder ring in one embodiment of the utility model;

[0022] Figure 4 It is a schematic diagram of the structure of the concave mold in one embodiment of the utility model.

[0023] Description of reference numerals:

[0024] Punch 1, first working area 101, second working area 102, first molding area 103, first molding portion 104, first guide block 105, support seat 106, pressure ring 2, second guide block 201, positioning pin 202, positioning block 203, draw rib 204, die 3, third working area 301, fourth working area 302, second molding area 303, second molding portion 304, matching groove 305, positioning hole 306, positioning groove 307. DETAILED DESCRIPTION

[0025] The following is an explanation of the implementation of the present invention through specific examples, and those skilled in the art can easily understand other advantages and effects of the present invention from the contents disclosed in this specification. The present invention can also be implemented or applied through other different specific implementations, and the details in this specification can also be modified or changed in various ways based on different viewpoints and applications without departing from the spirit of the present invention.

[0026] It should be noted that the diagrams provided in the present embodiment are only used to illustrate the basic concept of the present invention in a schematic manner, so the diagrams only show the components related to the present invention rather than the number, shape and size of the components in the actual implementation. The type, quantity and proportion of each component in the actual implementation can be changed at will, and the layout of the components may be more complicated. The structure, proportion, size, etc. shown in the diagrams attached to this specification are only used to match the content disclosed in the specification for people familiar with this technology to understand and read, and are not used to limit the limiting conditions that the present invention can be implemented, so they have no technical substantive significance. Any modification of the structure, change of the proportional relationship or adjustment of the size should still fall within the scope of the technical content disclosed by the present invention without affecting the effect and purpose that the present invention can produce. At the same time, the terms such as "upper", "lower", "left", "right", "middle" and "one" cited in this specification are only for the convenience of description and are not used to limit the scope of the implementation of the present utility model. Changes or adjustments to their relative relationships should be regarded as the scope of the implementation of the present utility model without substantially changing the technical content.

[0027] like Figure 1-Figure 4 As shown, the utility model proposes a composite part drawing die structure and a die.

[0028] In an exemplary embodiment, the composite part drawing die structure includes:

[0029] A punch 1, on which a first working area 101 and at least one second working area 102 are provided;

[0030] A die 3, on which a third working area 301 and at least one fourth working area 302 are provided, wherein the third working area 301 corresponds to the first working area 101, and the fourth working area 302 corresponds to the second working area 102;

[0031] The blank holder 2 is arranged between the male die 1 and the female die 3 and is used to press the raw material;

[0032] The first working area 101 and the third working area 301 are used to form a first workpiece, and the second working area 102 and the fourth working area 302 are used to form a second workpiece with waste materials of raw materials.

[0033] In the utility model, by arranging the first working area 101 and the second working area 102 on the punch 1, it is possible to form the main parts in the first working area 101 and the third working area 301, and at the same time, other required small parts can be formed by the cooperation of the second working area 102 and the fourth working area 302. Therefore, a plurality of parts are formed by a pair of molds, which reduces the production cost of the parts. At the same time, there is no need to collect the waste materials for centralized treatment again, nor is there any need to scrap them directly, thereby improving the utilization rate of the waste materials.

[0034] It is worth mentioning that the blank holder 2 in this embodiment is arranged between the punch 1 and the die 3. During the process of closing the punch 1 and the die 3, the blank holder 2 presses the sheet material on the punch 1 to ensure the stamping quality.

[0035] In an exemplary embodiment, a first molding area 103 is provided on the second working area 102, a second molding area 303 is provided on the fourth working area 302, a plurality of first molding parts 104 are provided on the first molding area 103, a second molding part 304 corresponding to the first molding part 104 is provided on the second molding area 303, and when the punch 1 and the die 3 are closed, the first molding part 104 enters the second molding part 304 to form the second workpiece.

[0036] In this embodiment, by providing a plurality of first molding parts 104 and second molding parts 304 corresponding to the first molding parts 104 , when the mold is closed, the first molding parts 104 cooperate with the second molding parts 304 to form the desired second workpiece.

[0037] Exemplarily, the second working area 102 is located on the right side of the first working area 101. According to the actual waste situation, the position and vertical beam of the second working area 102 can be adjusted to fully utilize the waste for stamping small parts.

[0038] Exemplarily, in this embodiment, the number of the first molding part 104 and the second molding part 304 is two. In this embodiment, the number of the first molding part 104 and the second molding part 304 can be set according to the size of the waste and the adaptability of the mold structure to fully improve the utilization rate of the waste.

[0039] In an exemplary embodiment, a first guide block 105 is disposed on the side wall of the punch 1 , and a second guide block 201 corresponding to the first guide block 105 is disposed on the side wall of the blank holder 2 . The first guide block 105 can be slidably matched with the second guide block 201 .

[0040] In this embodiment, the first guide block 105 and the second guide block 201 are provided to achieve positioning between the punch 1 and the blank holder 2, so as to facilitate stable cooperation between the punch 1 and the blank holder 2.

[0041] For example, in this embodiment, the number of the first guide blocks 105 is four, which are respectively arranged on the front and rear side walls of the punch 1, and correspondingly, the number of the second guide blocks 201 is also four, and the positions are corresponding to the first guide blocks 105. In this embodiment, other guide structures, such as guide pillars, guide sleeves or clamping structures, can also be used to achieve the guidance between the first guide block 105 and the blank holder 2.

[0042] In an exemplary embodiment, a side of the blank holder 2 close to the die 3 is provided with a draw rib 204 distributed along the circumference of the blank holder 2, and a side of the die 3 close to the blank holder 2 is provided with a matching groove 305 corresponding to the draw rib 204. When the punch 1 and the die 3 are closed, the draw rib 204 enters the matching groove 305.

[0043] The multiple draw ribs 204 provided in this embodiment can adjust the flow of the sheet material and ensure the quality of the stamping product.

[0044] It is worth noting that in this embodiment, the draw ribs 204 are distributed along the circumference of the blank holder 2, which improves the overall flow performance of the sheet. In this embodiment, the draw ribs 204 are arranged in four directions, front, back, left, and right, to improve the quality of the stamping product.

[0045] In an exemplary embodiment, a plurality of positioning pins 202 are provided on one side of the blank holder 2 close to the die 3 , and positioning holes 306 corresponding to the positioning pins 202 are provided on one side of the die 3 close to the blank holder 2 . The positioning pins 202 can be used to be plugged into the positioning holes 306 .

[0046] In this embodiment, when the mold is closed, the positioning pins 202 and the positioning holes 306 are used to position the die 3 and the blank holder 2, so as to facilitate the molding of the first workpiece and the second workpiece.

[0047] Illustratively, in this embodiment, the positioning pins 202 are arranged along the circumference of the blank holder 2, and correspondingly, the positioning holes 306 are arranged along the circumference of the die 3, and the positioning pins 202 correspond to the positioning holes 306 one by one.

[0048] Exemplarily, the blank holder 2 is provided with a positioning block 203, and the die 3 is provided with a positioning groove 307, and the positioning block 203 is provided corresponding to the positioning groove 307. The positioning between the blank holder 2 and the die 3 is improved by the provided positioning block 203 and the positioning groove 307.

[0049] In an exemplary embodiment, a support seat 106 is provided on the punch 1 , and the support seat 106 is used to support the blank holder 2 .

[0050] The utility model also provides a mold, which comprises the above-mentioned composite part drawing mold structure.

[0051] In summary, during the main first workpiece forming process, the utility model forms other required smaller workpieces by providing the first forming part 104 and the second forming part 304, thereby improving the utilization rate of waste materials, reducing manufacturing costs, and improving the operating efficiency of the enterprise.

[0052] The above embodiments are merely illustrative of the principles and effects of the present invention, and are not intended to limit the present invention. Anyone familiar with the technology may modify or alter the above embodiments without departing from the spirit and scope of the present invention. Therefore, all equivalent modifications or alterations made by a person of ordinary skill in the art without departing from the spirit and technical concept disclosed in the present invention shall still be covered by the claims of the present invention.

Claims

1. A composite part drawing die structure, characterized in that: include: A male mold, wherein the male mold is provided with a first working area and at least one second working area; A concave mold, wherein a third working area and at least one fourth working area are provided on the concave mold, wherein the third working area corresponds to the first working area, and the fourth working area corresponds to the second working area; A blank holder ring is arranged between the male die and the female die and is used to press the raw material; The first working area and the third working area are used to form a first workpiece, and the second working area and the fourth working area are used to form a second workpiece using waste raw materials.

2. The composite part drawing die structure according to claim 1, characterized in that: A first molding area is provided on the second working area, a second molding area is provided on the fourth working area, a plurality of first molding parts are provided on the first molding area, a second molding part corresponding to the first molding part is provided on the second molding area, and when the male mold and the female mold are closed, the first molding part enters the second molding part to form the second workpiece.

3. The composite part drawing die structure according to claim 1, characterized in that: The side wall of the punch is provided with a first guide block, and the side wall of the pressure ring is provided with a second guide block corresponding to the first guide block, and the first guide block can be slidably matched with the second guide block.

4. The composite part drawing die structure according to claim 1, characterized in that: The side of the blank holder ring close to the die is provided with drawing ribs distributed along the circumference of the blank holder ring, and the side of the die close to the blank holder ring is provided with matching grooves corresponding to the drawing ribs. When the punch and the die are closed, the drawing ribs enter the matching grooves.

5. The composite part drawing die structure according to claim 1, characterized in that: A plurality of positioning pins are provided on one side of the blank holder ring close to the die, and positioning holes corresponding to the positioning pins are provided on one side of the die close to the blank holder ring. The positioning pins can be used to be plugged into the positioning holes.

6. The composite part drawing die structure according to claim 5, characterized in that: A positioning block is provided on the pressure ring, a positioning groove is provided on the die, and the positioning block is arranged corresponding to the positioning groove.

7. The composite part drawing die structure according to claim 1, characterized in that: A support seat is provided on the punch, and the support seat is used to support the pressure ring.

8. A mold, characterized in that: It comprises a composite part drawing die structure as described in any one of claims 1-7.

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