Modularized structure of beam drawing die

Abstract

The utility model discloses a beam drawing die modular structure. The beam drawing die modular structure comprises an upper die base, a blank holder, a lower die base, an upper die core, a lower die male die and a material pressing face insert. An upper die core is installed in the upper die base, and a lower die male die is installed on the top of the lower die base. A material pressing surface insert is mounted at the top of the blank holder; the upper die base comprises a guide block, and the lower die base comprises a guide plate block. Guide blocks at two ends of the upper die holder are in sliding fit connection with open slots at two ends of the blank holder; the middle part of the blank holder is of a hollow frame structure, and the lower die holder is nested in the hollow structure of the blank holder; and a guide plate block on the side part of the lower die holder is clamped in a groove in the inner wall of the blank holder frame in a matched manner. According to the technical scheme, how to share module components and reduce the development cost and weight of the mold is the problem needing to be solved.

Description

Technical Field

[0001] The present application relates to the technical field of beam-type drawing dies, and in particular to a modular structure of a beam-type drawing die. Background Art

[0002] Most of the beam parts of the automobile body in white are slender "hat"-shaped structures. They are the basic components of the body in white frame and provide an installation basis for other parts and components. Beam parts are usually load-bearing parts or reinforcement parts in the body in white skeleton, such as the front and rear longitudinal beams of the lower body and the crossbeams on the front floor. Therefore, the rigidity requirements for beam parts are relatively high, and such parts usually adopt the drawing process. In the current trial production, the drawing die structure of beam parts is developed separately, the part forming working part and the die base are made into an integrated form, the die can only be used for a single stamping, and the die structure is repeatedly developed, resulting in a waste of resources and pushing up the die manufacturing cost. Therefore, how to achieve the sharing of module components and reduce the cost and weight of die development is an urgent problem to be solved. Utility Model Content

[0003] The purpose of this application is to provide a beam drawing die forming process, realize modular development of beam part drawing dies, and reduce mold development costs.

[0004] The purpose of this application is to provide a modular structure of a beam-type drawing die.

[0005] The technical solution of the present application is: to provide a modular structure of a beam-type drawing die, the modular structure of the beam-type drawing die comprising: an upper die seat, a blank holder, a lower die seat, an upper die core, a lower die punch, a press face insert, and an insert transition plate;

[0006] An upper die core is installed inside the upper die seat, a lower die punch is installed on the top of the lower die seat; an insert transition plate is installed on the top of the blank holder; and a press surface insert is installed on the top of the insert transition plate.

[0007] The upper die base includes a guide block, and the lower die base includes a guide plate;

[0008] The guide blocks at both ends of the upper die seat are slidably connected to the open grooves at both ends of the blank holder; the middle part of the blank holder is a hollow frame structure, and the lower die seat is nested in the hollow structure of the blank holder; the guide block on the side of the lower die seat is matched and clamped in the groove on the inner wall of the blank holder.

[0009] In any of the above technical solutions, further, the upper mold base also includes an upper mold mounting seat; the upper mold mounting seat has an open cavity structure, and the upper mold core is installed inside the cavity of the upper mold mounting seat.

[0010] In any of the above technical solutions, further, the blank holder ring also includes a blank holder ring mounting seat; the insert transition plate is matched and installed on the upper surface of the blank holder ring mounting seat; and the press surface inserts are installed on both sides of the top of the insert transition plate.

[0011] In any of the above technical solutions, further, the pressing surface insert is a rectangular strip with one side being tapered.

[0012] In any of the above technical solutions, further, the blank holder ring mounting seat also includes a second groove, the second groove is located on the inner side wall of the blank holder ring, and the second groove is clamped to the guide plate.

[0013] In any of the above technical solutions, further, the top wall and side walls of the upper mold mounting seat are configured as a grid structure.

[0014] The beneficial effects of this application are:

[0015] The technical solution in the present application is to install the upper mold core inside the upper mold base and the lower mold punch on the top of the lower mold base; the insert is installed on the top of the pressure ring. The upper mold core, the lower mold punch and the insert can be replaced according to the requirements of different workpieces, and other common module components can be recycled, thereby reducing the mold manufacturing cost and reducing the waste of resources.

[0016] The guide blocks at both ends of the upper die seat are slidably connected with the open grooves at both ends of the blank holder; the middle part of the blank holder is a hollow frame structure, and the lower die seat is nested in the hollow structure of the blank holder; the guide plate on the side of the lower die seat is matched and clamped in the second groove on the inner wall of the blank holder; the flexible assembly of the three independent modules of the upper die seat, the blank holder and the lower die seat is simple, fast and tightly connected. Compared with the one-piece drawing die structure of traditional beam parts that can only be used for a single stamping, the modular mold can be used repeatedly. Only the internal upper die core, lower die punch and insert need to be replaced, which reduces the repeated development of the mold structure and the waste of resources caused.

[0017] By adopting a grid structure on the top wall and side walls of the upper mold mounting seat, the structural weight of the mold can be reduced, resource waste can be effectively reduced, and costs can be saved. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The advantages of the above and / or additional aspects of the present application will become apparent and easily understood in the description of the embodiments in conjunction with the following drawings, in which:

[0019] Figure 1 is a schematic diagram of the overall structure of a mold block according to an embodiment of the present application;

[0020] Figure 2 It is an upper die seat assembly frame structure according to an embodiment of the present application;

[0021] Figure 3 A blank holder assembly frame structure according to an embodiment of the present application;

[0022] Figure 4The present invention is a lower mold installation frame structure according to an embodiment of the present application.

[0023] Among them, 1-upper die seat, 2-blank pressure ring, 3-lower die seat, 11-upper die core, 12-upper die mounting seat, 21-pressing surface insert, 22-insert transition plate, 23-blank pressure ring mounting seat, 31-lower die punch, 32-lower die mounting seat, 121-guide block, 1222 first groove, 231-sliding surface, 232-guide wear-resistant block, 233-second groove, 321-guide plate. DETAILED DESCRIPTION

[0024] In order to more clearly understand the above-mentioned purposes, features and advantages of the present application, the present application is further described in detail below in conjunction with the accompanying drawings and specific implementation methods. It should be noted that the embodiments of the present application and the features in the embodiments can be combined with each other without conflict.

[0025] In the following description, many specific details are elaborated to facilitate full understanding and application, but the present application can also be implemented in other ways different from those described herein. Therefore, the scope of protection of the present application is not limited to the specific embodiments disclosed below.

[0026] like Figure 1 As shown, this embodiment provides a modular structure of a beam drawing die, which includes: an upper die seat 1, a blank holder 2, a lower die seat 3, an upper die core 11, an upper die mounting seat 12, a binder surface insert 21, an insert transition plate 22, a blank holder mounting seat 23, a lower die punch 31, and a lower die mounting seat 32;

[0027] An upper die core 11 is installed inside the upper die base 1 , a lower die punch 31 is installed on the top of the lower die base 3 ; and an insert 21 is installed on the top of the blank holder 2 .

[0028] The guide blocks 121 at both ends of the upper die base 1 are slidably connected with the open grooves at both ends of the blank holder 2; the middle part of the blank holder 2 is a hollow frame structure, and the lower die base 3 is nested in the hollow structure of the blank holder 2; the guide block 321 on the side of the lower die base 3 is matched and clamped in the second groove 233 on the inner wall of the blank holder 2.

[0029] Furthermore, the upper die mounting seat 12 also includes a guide block 121 and a first groove 1222, and the first groove 1222 is arranged on the inner wall of the guide block; the upper die mounting seat 12 has an open cavity structure, and the top wall and side walls of the upper die mounting seat 12 are arranged as a grid structure, and a plurality of mounting holes are arranged on the top wall; the upper die core 11 is installed on the top wall inside the upper die mounting seat 12, and the upper die core 11 is fixed in the mounting hole of the top wall by fasteners; the guide block 121 is arranged on both sides of the upper die seat, and when the upper die mounting seat 12 and the pressure ring 2 slide downward, the first groove 1222 is used for lateral limitation, and the guide block 121 is used for longitudinal limitation to prevent the upper die mounting seat 12 and the pressure ring 2 from deviation and displacement during installation and use, which affects the quality of the workpiece.

[0030] Furthermore, the blank holder ring mounting seat 23 also includes a sliding surface 231, a guide wear-resistant block 232 and a second groove 233; the insert transition plate 22 is matched and installed on the upper surface of the blank holder ring mounting seat 23; the material pressing surface insert 21 is installed on both sides of the top of the insert transition plate 22; the blank holder ring mounting seat 23 is a hollow structure in the middle, and the inner wall edge of the blank holder ring mounting seat 23 is provided with a concave platform structure; the insert transition plate 22 is a rectangular plate with a hollow in the middle, and the insert transition plate 22 is matched and installed on the upper surface of the concave platform structure The press surface insert 21 is a rectangular strip with one side being conical. The two press surface inserts 21 are symmetrically mounted on both sides of the top of the insert transition plate 22. The press surface inserts 21 are fixed to the insert transition plate 22 by fasteners. A plurality of second grooves 233 are arranged on the inner wall of the blank holder 2 for clamping the lower die seat 3. Sliding surfaces 231 and guide wear-resistant blocks 232 are arranged on both sides of the opening grooves at both ends of the blank holder 2. The sliding surface 231 clamps the guide block 121, and the guide wear-resistant block 232 clamps the first groove 1222.

[0031] Furthermore, the lower die mounting seat 32 also includes a guide plate 321; the lower die mounting seat 32 is a rectangular block, and multiple guide plates 321 are arranged on the side, and the guide plates 321 are clamped in the second groove 233 of the inner wall of the pressure ring 2, and connecting holes are arranged at both ends of the lower die punch 31, and the connecting holes of the lower die punch 31 are bolted to the top of the lower die mounting seat 32.

[0032] The working steps of this embodiment are:

[0033] The lower die seat 3 is installed in the hollow structure of the blank holder 2. When the die is punched, the die is first installed on the press, the upper die seat 1 is locked on the upper slide of the press through the pressing plate, and the lower die seat 3 is locked on the lower workbench of the press through the pressing plate. The push rod lifts the blank holder 2 to a certain height, and the workpiece is placed on the lower die punch and the blank holder. The upper die seat 1 moves downward with the upper slide of the press and fits the binder surface insert 21 on the lifted blank holder 2 to press the workpiece tightly. The workpiece is deformed by the upper die core 11, the binder surface insert 21 and the lower die punch 31 to complete the drawing of the workpiece.

[0034] The upper die core 11 , the pressure surface insert 21 and the lower die punch 31 can realize manufacturing different workpieces in one die by replacing different die models.

[0035] The above technical solution of the present application is described in detail in combination with the accompanying drawings. The present application proposes a modular structure of a beam-type drawing die, including: an upper die base, a pressure ring, a lower die base, an upper die core, a lower die punch, and an insert; the upper die core is installed inside the upper die base, and the lower die punch is installed on the top of the lower die base; the insert is installed on the top of the pressure ring, the upper die core, the lower die punch and the insert can be replaced according to different workpiece requirements, and other common module components can be recycled, thereby reducing the mold manufacturing cost and reducing the waste of resources.

[0036] The guide blocks at both ends of the upper die seat are slidably connected with the open grooves at both ends of the blank holder; the middle part of the blank holder is a hollow frame structure, and the lower die seat is nested in the hollow structure of the blank holder; the guide plate on the side of the lower die seat is matched and clamped in the second groove on the inner wall of the blank holder; the flexible assembly of the three independent modules of the upper die seat, the blank holder and the lower die seat is simple, fast and tightly connected. Compared with the one-piece drawing die structure of traditional beam parts that can only be used for a single stamping, the modular mold can be used repeatedly. Only the internal upper die core, lower die punch and insert need to be replaced, which reduces the repeated development of the mold structure and the waste of resources caused.

[0037] By adopting a grid structure on the top wall and side walls of the upper mold mounting seat, the structural weight of the mold can be reduced, resource waste can be effectively reduced, and costs can be saved.

[0038] In this application, the terms "install", "connect", "connect", "fix" and the like should be understood in a broad sense. For example, "connect" can be a fixed connection, a detachable connection, or an integral connection; "connect" can be a direct connection or an indirect connection through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0039] The shapes of the various components in the drawings are schematic, and certain differences from their actual shapes are not excluded. The drawings are only used to illustrate the principles of the present application and are not intended to limit the present application.

[0040] Although the present application is disclosed in detail with reference to the accompanying drawings, it should be understood that these descriptions are merely exemplary and are not intended to limit the application of the present application. The scope of protection of the present application is defined by the appended claims and may include various modifications, alterations and equivalents made to the utility model without departing from the scope and spirit of the present application.

Claims

1. A modular structure of a beam drawing die, characterized in that: The modular structure of the beam-type drawing die comprises: an upper die base (1), a blank holder (2), a lower die base (3), an upper die core (11), a lower die punch (31), a pressing surface insert (21), and an insert transition plate (22); The upper die core (11) is installed inside the upper die seat (1), and the lower die punch (31) is installed on the top of the lower die seat (3); the insert transition plate (22) is installed on the top of the blank holder (2); and the press face insert (21) is installed on the top of the insert transition plate (22); The upper die base (1) comprises a guide block (121), and the lower die base (3) comprises a guide block (321); The guide blocks (121) at both ends of the upper die seat (1) are slidably connected to the open grooves at both ends of the pressure ring (2); the middle part of the pressure ring (2) is a hollow frame structure, and the lower die seat (3) is nested in the hollow structure of the pressure ring (2); the guide block (321) on the side of the lower die seat (3) is matched and clamped in the groove on the inner wall of the pressure ring (2).

2. The modular structure of the beam drawing die according to claim 1, characterized in that: The upper die seat 1 further comprises an upper die mounting seat (12); the upper die mounting seat (12) has an open cavity structure, and the upper die core (11) is mounted inside the cavity of the upper die mounting seat (12).

3. The modular structure of the beam drawing die according to claim 1, characterized in that: The blank holder ring (2) also includes a blank holder ring mounting seat (23); the insert transition plate (22) is matched and mounted on the upper surface of the blank holder ring mounting seat (23); and the press surface insert (21) is mounted on both sides of the top of the insert transition plate (22).

4. The modular structure of the beam drawing die according to claim 1, characterized in that: The pressing surface insert (21) is a rectangular strip, one side of which is tapered.

5. The modular structure of beam drawing die according to claim 3, characterized in that: The pressure ring mounting seat (23) comprises a second groove (233), the second groove (233) is located on the inner side wall of the pressure ring (2), and the second groove (233) is clamped with the guide plate (321).

6. The modular structure of beam drawing die according to claim 2, characterized in that: The top wall and side walls of the upper die mounting seat (12) are arranged as a grid structure.

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