Heavy-load pressing die

Abstract

The utility model relates to the technical field of dies, in particular to a heavy load type material pressing die which comprises an upper die unit and a lower die unit, the upper die unit comprises an upper die body and a forming block arranged in the upper die body, and a plurality of elastic supporting pieces are arranged between the upper die body and the forming block; the lower die unit comprises a lower die body, a forming base and floating assemblies are fixed to the upper portion of the lower die body, the floating assemblies are designed at the four corners of the lower die body respectively and used for jacking sheets when the sheets are fed so as to improve the sheet feeding convenience, and after material pressing is completed, the sheets can be conveniently fed through the floating assemblies. The floating assembly moves upwards to be reset from the extrusion state, then the pressed sheet can be jacked upwards, follow-up material taking operation is avoided, meanwhile, the material guiding frame is arranged, the feeding and discharging convenience of the raw material sheet is further optimized, the overall structural design is simple and reasonable, and the machining applicability of an existing mold is further optimized.

Description

Technical Field

[0001] The utility model relates to the technical field of moulds, in particular to a heavy-duty blank holding mould. Background Art

[0002] A blank holding mould, also known as a stamping mould or a pressure mould, is a tooling mould used to process metal materials into required shapes and sizes through pressure. It is widely used in industries such as automobiles, electronics, household appliances, and mechanical manufacturing, and is an important process equipment for metal forming processing.

[0003] A blank holding mould usually consists of an upper mould and a lower mould. In order to achieve heavy-duty operation, they are generally installed on the slider and the workbench of a press respectively. When the press works, the upper mould descends with the slider and closes with the lower mould to stamp the material, thereby realizing the forming of the metal. Specifically, as disclosed in a hydraulic heavy-duty stamping mould with the Chinese patent publication number "CN205289480U", a lower bracket is arranged at the bottom of an upper bracket, a main hydraulic cylinder is installed at the top of the upper bracket, a hydraulic stamping shaft is installed in the main hydraulic cylinder, and the bottom end of the hydraulic stamping shaft is installed with a left upper force-applying rod and a right upper force-applying rod through an upper movable hinge.

[0004] During the stamping process, it is generally necessary to place a sheet above the lower mould and take out the finished product after stamping. At present, some blank holding moulds do not have a convenient structure design for the loading and unloading of sheets, resulting in great difficulty in pushing the sheets in and inconvenience in taking them out. Based on this, in order to further optimize the applicability of the existing moulds, we propose a heavy-duty blank holding mould. Content of the Utility Model

[0005] The purpose of the utility model is to solve the disadvantages existing in the prior art, such as great difficulty in pushing in sheets and inconvenience in taking them out, and to propose a heavy-duty blank holding mould.

[0006] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0007] Design a heavy-duty blank holding mould, including an upper mould unit and a lower mould unit. The upper mould unit includes an upper mould body and a forming block placed inside the upper mould body. A plurality of elastic support members are arranged between the upper mould body and the forming block;

[0008] The lower mould unit includes a lower mould body. A forming seat and a floating component are fixed above the lower mould body, and the floating component is used to lift the sheet.

[0009] Furthermore, the elastic support member includes a sleeve fixed inside the upper mould body. A support spring is fixed inside the sleeve, and the support spring is fixedly connected to the forming block.

[0010] Further, four floating components are provided, and the matrix part is located at the four corners of the lower die body, and a detection unit is fixed on one side of the floating component.

[0011] Further, the floating component includes a floating block, the floating block is movably inserted into the lower die body, and an avoidance opening for avoiding the floating block is formed on the side of the forming seat;

[0012] A return spring is fixedly installed between the bottom of the floating block and the lower die body, and a limiting tube sleeving the return spring is fixedly installed at the bottom of the floating block.

[0013] Further, the detection unit includes a mounting plate fixed on one side of the floating block, a sensor is fixed on one side of the mounting plate, wherein notches are formed on both the floating block and the forming seat, and the two notches form a slot for placing the mounting plate.

[0014] Further, two guide sleeves are fixed on both sides of the lower die body, a guide rack is movably inserted into the inner side of the guide sleeve, and a locking member for the guide rack is threadedly connected to the outer side of the guide sleeve.

[0015] The beneficial effect of a heavy-duty blanking die proposed by the present utility model is as follows: In the present utility model, a floating component is designed at each of the four corners of the lower die body, which is used to lift the sheet material during sheet material loading to improve the convenience of sheet material loading. After that, after the blanking is completed, the floating component moves upward and resets from the extrusion state, and the blanked sheet material can be lifted upward to avoid subsequent material taking operations. At the same time, a guide rack is configured to further optimize the convenience of loading and unloading the raw material sheet material. The overall structure design is simple and reasonable, and the applicability of the existing die processing is further optimized. Description of the Drawings

[0016] Figure 1 is a perspective view of the present utility model;

[0017] Figure 2 is a schematic structural view of the elastic support member of the present utility model;

[0018] Figure 3 is a schematic structural view of the lower die unit of the present utility model;

[0019] Figure 4 is a schematic structural view of the floating block of the present utility model;

[0020] Figure 5 is a schematic structural view of the limiting tube of the present utility model;

[0021] Figure 6 is a schematic structural view of the detection unit of the present utility model.

[0022] In the figure: 1. Upper die unit; 11. Upper die body; 12. Forming block; 13. Elastic support member; 131. Sleeve; 132. Support spring; 2. Lower die unit; 21. Lower die body; 22. Forming seat; 23. Floating assembly; 231. Floating block; 232. Return spring; 233. Limit tube; 24. Detection unit; 241. Mounting plate; 242. Sensor; 243. Slot; 25. Guide sleeve; 26. Feeding rack; 27. Locking member. Detailed implementation manners

[0023] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments.

[0024] Refer to Figures 1-6 As an embodiment of the present utility model, it discloses a heavy-duty blanking die. The blanking die includes an upper die unit 1 and a lower die unit 2. The upper die unit 1 includes an upper die body 11 and a forming block 12 disposed inside the upper die body 11. A plurality of elastic support members 13 are provided between the upper die body 11 and the forming block 12. The plurality of elastic support members 13 are regularly distributed in a matrix for supporting the forming block 12.

[0025] The lower die unit 2 includes a lower die body 21. A forming seat 22 and a floating assembly 23 are fixed above the lower die body 21. The floating assembly 23 is used to lift the sheet material.

[0026] In some embodiments, the elastic support member 13 in the present utility model includes a sleeve 131 fixed inside the upper die body 11. A support spring 132 is fixed inside the sleeve 131. The support spring 132 is fixedly connected to the forming block 12. The support spring 132 can be placed inside the sleeve 131. When the upper die unit 1 and the lower die unit 2 are closed, at this time, the forming block 12 moves and compresses the support spring 132 until the side of the forming block 12 abuts against the side of the upper die body 11 and is limited. When moving downward again, it cooperates with the forming seat 22 to complete the blanking and forming of the sheet material.

[0027] Furthermore, four floating assemblies 23 are provided in the present utility model, and the matrix part is at the four corners of the lower die body 21. One side of the floating assembly 23 is also fixedly provided with a detection unit 24. The design of using four floating assemblies 23 is used to support the sheet material for convenient feeding operation.

[0028] On the basis of the above-mentioned embodiment, the floating assembly 23 in the utility model comprises a floating block 231, the floating block 231 is movably plugged with the lower mold body 21, and a side opening for avoiding the floating block 231 is provided on the side of the molding seat 22;

[0029] A return spring 232 is fixedly installed between the bottom of the floating block 231 and the lower mold body 21, and a limiting tube 233 on which the return spring 232 is mounted is fixedly installed at the bottom of the floating block 231. During the pressing process, when the upper mold unit 1 and the lower mold unit 2 are closed, the upper mold unit 1 will resist the sheet and apply downward pressure to it. During this process, the four floating blocks 231 are pressed and move downward until the bottom of the limiting tube 233 contacts the bottom surface of the inner hole of the lower mold body 21, and then the floating blocks 231 move downward into place. Thereafter, further pressure can be applied to complete the pressure forming of the sheet. After forming is completed, under the lifting of the return spring 232, the four floating blocks 231 are reset upward to realize the lifting of the finished product to avoid subsequent blanking operations.

[0030] On the basis of the above embodiments, the detection unit 24 in the utility model includes a mounting plate 241 fixed on one side of the floating block 231, and a sensor 242 is fixed on one side of the mounting plate 241, wherein the floating block 231 and the forming seat 22 are both provided with notches, and the two notches constitute a slot 243 for placing the mounting plate 241. The sensor 242 can adopt a proximity switch or a photoelectric switch, and its purpose is to detect the sheet, that is, when the sheet is in place, it covers the top of the sensor 242, which is used to determine whether there is material in the current mold. Of course, the sensor 242 needs to be connected to an external control unit to realize detection sensing.

[0031] It should be noted that, in the embodiment of the utility model, two guide sleeves 25 are fixed on both sides of the lower mold body 21, and a material guide frame 26 is movably inserted into the inner side of the guide sleeve 25, and a locking member 27 for the material guide frame 26 is threadedly connected to the outer side of the guide sleeve 25. Preferably, the locking member 27 described in this embodiment is configured as a bolt, and the two material guide frames 26 on both sides are respectively used for loading and unloading. Since the material guide frame 26 is movably connected to the guide sleeve 25, it is convenient for assembly and adjustment.

[0032] In summary, in the utility model, a floating component 23 is designed on each of the four corners of the lower mold body 21, which is used to lift the sheet when loading the sheet to improve the convenience of loading the sheet. After that, after the pressing is completed, the floating component 23 moves upward from the extrusion state and resets, so that the sheet after pressing can be lifted upward to avoid subsequent material removal operations. At the same time, a material guide rack 26 is configured to further optimize the convenience of loading and unloading the raw material sheet. The overall structural design is simple and reasonable, and the applicability of existing mold processing is further optimized.

[0033] The above are only the preferred specific embodiments of the present utility model, but the protection scope of the present utility model is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present utility model, according to the technical solution and the inventive concept of the present utility model, makes equivalent substitutions or changes, and should be covered within the protection scope of the present utility model.

Claims

1. A heavy-duty pressing die, comprising an upper die unit (1) and a lower die unit (2), characterized in that: The upper mold unit (1) comprises an upper mold body (11) and a molding block (12) disposed inside the upper mold body (11), and a plurality of elastic support members (13) are disposed between the upper mold body (11) and the molding block (12); The lower mold unit (2) comprises a lower mold body (21), and a molding seat (22) and a floating assembly (23) are fixed above the lower mold body (21). The floating assembly (23) is used to lift the sheet.

2. A heavy-duty pressing die according to claim 1, characterized in that: The elastic support member (13) comprises a sleeve (131) fixed inside the upper mold body (11), a support spring (132) is fixed inside the sleeve (131), and the support spring (132) is fixedly connected to the molding block (12).

3. A heavy-duty pressing die according to claim 1, characterized in that: Four floating components (23) are provided, and the matrix parts are located at the four corners of the lower mold body (21), wherein a detection unit (24) is also fixed on one side of the floating components (23).

4. A heavy-duty pressing die according to claim 3, characterized in that: The floating assembly (23) comprises a floating block (231), the floating block (231) is movably plugged into the lower mold body (21), and a side opening for evading the floating block (231) is provided on the side of the molding seat (22); A return spring (232) is fixedly installed between the bottom of the floating block (231) and the lower mold body (21), and a limit tube (233) sleeved with the return spring (232) is fixedly installed at the bottom of the floating block (231).

5. A heavy-duty pressing die according to claim 4, characterized in that: The detection unit (24) comprises a mounting plate (241) fixed to one side of the floating block (231), and a sensor (242) is fixed to one side of the mounting plate (241), wherein both the floating block (231) and the forming seat (22) are provided with notches, and the two notches form a slot (243) for placing the mounting plate (241).

6. A heavy-duty pressing die according to claim 1, characterized in that: Two guide sleeves (25) are fixed on both sides of the lower mold body (21), a material guide frame (26) is movably inserted into the inner side of the guide sleeve (25), and a locking piece (27) for the material guide frame (26) is threadedly connected to the outer side of the guide sleeve (25).

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