High-precision upsetting mechanism

Abstract

The utility model discloses a high-precision upsetting mechanism, which relates to the technical field of dies and comprises a lower supporting plate, a lower die holder is arranged at the upper end of the lower supporting plate, an upper supporting plate is arranged above the lower supporting plate, an upper die holder is arranged at the lower end of the upper supporting plate, an upper die nitrogen spring is fixedly connected in the upper supporting plate, and a lower die nitrogen spring is fixedly connected in the upper die nitrogen spring. The output end of the upper die nitrogen spring penetrates through the upper die base, the lower end of the upper die base is provided with an upper die material pressing plate, the output end of the upper die nitrogen spring is fixedly connected with the upper die material pressing plate, the upper end of the lower die base is provided with a lower die movable material pressing plate, and the lower end of the upper die material pressing plate is provided with a shape preventing block. The utility model discloses a high-precision upsetting mechanism. By arranging the lower die upsetting block, when a product is extruded by the die, the material edge of the product is fixed, the material flows uniformly, the phenomenon that the surface of the product is wrinkled during extrusion is avoided, the flatness of the end face of the product is improved, and the overall precision is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of molds, in particular to a high-precision leveling mechanism. Background Art

[0002] In the field of mechanical processing, many parts products are processed through mold processing. Among them, automobile shock absorber spring seats are processed through mold stretching or drawing. The product material is placed in the mold and processed by closing the upper and lower molds.

[0003] However, since this type of product requires high precision in material thickness, a flat end surface, and small tolerances in all R and chamfer areas, in normal structures, methods such as rotary cutting are required, and then the product needs to be processed again through subsequent processing to meet production requirements; this results in high manufacturing costs and low yields, and traditional products cannot be discharged smoothly after processing, thereby reducing overall production efficiency. Utility Model Content

[0004] In view of the deficiencies in the prior art, the present invention provides a high-precision leveling mechanism, which solves the problems raised by the above-mentioned background technology.

[0005] To achieve the above purpose, the utility model is implemented through the following technical solutions: a high-precision leveling mechanism, including a lower support plate, a lower die base is provided at the upper end of the lower support plate, an upper support plate is provided above the lower support plate, an upper die base is provided at the lower end of the upper support plate, an upper die nitrogen spring is fixedly connected to the interior of the upper support plate, the output end of the upper die nitrogen spring passes through the upper die base, an upper die pressing plate is provided at the lower end of the upper die base, the output end of the upper die nitrogen spring is fixedly connected to the upper die pressing plate, and a lower die movable The pressing plate, the lower end of the upper mold pressing plate is provided with an anti-shape block, the lower mold movable pressing plate is internally provided with a lower mold pier flat block, the lower mold pier flat block and the anti-shape block are matched and arranged correspondingly, the upper end of the lower mold movable pressing plate is provided with a lower mold forced supporting block, the product is passed through the lower mold forced supporting block and the lower mold movable pressing plate, and a positioning mechanism is provided between the upper mold pressing plate and the lower mold movable pressing plate, the positioning mechanism limits the product to be located in the lower mold movable pressing plate, and the material flows evenly due to the limiting effect of the lower mold pier flat block to complete the mold closure.

[0006] Furthermore, the positioning mechanism includes: a guide needle, which is arranged at the lower end of the upper mold pressing plate. When the mold is closed, the guide needle and the anti-form block are inserted into the product to perform positioning and clamping, and the product is inserted into the lower mold movable pressing plate.

[0007] Furthermore, a lower die nitrogen spring is fixed inside the lower die base, and the output end of the lower die nitrogen spring is fixed to the bottom end of the lower die lifting plate. When the mold is opened, the product separates from the lower die pier flat block as the lower die lifting plate rises.

[0008] Furthermore, a lower pad is fixedly connected between the lower supporting plate and the lower die base, a bottom nitrogen spring is fixedly arranged in the lower pad, and the output end of the bottom nitrogen spring is located at the lower end of the lower die pier flat block.

[0009] Furthermore, an upper pad is fixedly connected between the upper supporting plate and the upper die base, and the upper die nitrogen spring is located inside the upper pad.

[0010] Furthermore, the lower end of the upper mold pressing plate is fixed with an upper mold anti-form block pad by fixing screws, and the lower end of the upper mold anti-form block pad is fixedly connected to an anti-form block mounting seat, and the anti-form block is fixedly arranged at the lower end of the anti-form block mounting seat.

[0011] Furthermore, the interior of the movable pressing plate of the lower die is fixedly connected with a leveling block adjusting gasket via fixing screws, and the lower die leveling block is fixedly arranged at the upper end of the leveling block adjusting gasket.

[0012] Furthermore, a stroke limiting tube is fixedly connected to the upper die base, and the sliding end of the stroke limiting tube is fixedly connected to the upper die pressing plate. The upper end of the lower die base is fixedly connected to a guide column, and the upper end of the guide column is slidably arranged with the lower die lifting plate.

[0013] Compared with the above-mentioned background technology, the present application provides a high-static and dense leveling mechanism, which includes a mold with very mature technology today, and the following mold leveling block as the core component. Its principle relies on fixing the edge of the product to make the product material flow more evenly and the end face of the product smoother.

[0014] The utility model provides a high-precision leveling mechanism. Compared with the existing technology, it has the following advantages:

[0015] This high-precision leveling mechanism is equipped with a lower die leveling block to fix the edge of the product material when the product is squeezed by the die, so as to achieve uniform material flow and avoid wrinkles on the product surface during extrusion, thereby improving the flatness of the product end face and improving the overall precision.

[0016] The high-precision leveling mechanism is provided with a lower die forced supporting block and an upper die pressing plate, and the multi-layer movement mode makes the stripping more convenient, thereby making the efficiency of product stripping from the lower die higher. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1It is a schematic diagram of the overall structure of the utility model;

[0018] Figure 2 This is a schematic structural diagram of the cross section of the utility model when the mold is closed;

[0019] Figure 3 This is a schematic diagram of the structure of the utility model when the mold is opened;

[0020] Figure 4 This is a schematic structural diagram of the cross section of the utility model when the mold is opened.

[0021] In the figure: 1. Lower support plate; 2. Lower pad; 3. Lower die base; 4. Upper support plate; 5. Upper pad; 6. Upper die base; 7. Product; 8. Upper die nitrogen spring; 9. Upper die anti-form block pad; 10. Anti-form block mounting seat; 11. Lower die forced support block; 12. Anti-form block; 13. Lower die leveling block; 14. Lower die lifting plate; 15. Lower die movable pressure plate; 16. Leveling block adjustment gasket; 17. Lower die nitrogen spring; 18. Upper die pressure plate; 19. Bottom end nitrogen spring; 20. Guide column; 21. Travel limit tube; 22. Guide needle. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0023] See also Figure 1-4The utility model provides a technical scheme: a high-precision piling mechanism, including lower supporting plate 1, the upper end of lower supporting plate 1 is provided with lower mould base 3, the top of lower supporting plate 1 is provided with upper supporting plate 4, the lower end of upper supporting plate 4 is provided with upper mould base 6, the inside fixed connection of upper supporting plate 4 is provided with upper mould nitrogen gas spring 8, the output of upper mould nitrogen gas spring 8 passes through upper mould base 6, the lower end of upper mould base 6 is provided with upper mould pressure plate 18, the output of upper mould nitrogen gas spring 8 is fixedly connected with upper mould pressure plate 18, the upper end of lower mould base 3 is provided with lower mould movable pressure plate 15, the lower end of upper mould pressure plate 18 is provided with anti-type block 12, the inside movably of lower mould movable pressure plate 15 is provided with lower mould piling block 13, lower mould piling block 13 is correspondingly matched with anti-type block 12 and is provided, the upper end of lower mould movable pressure plate 15 is provided with lower mould forced material supporting block 11, product 7 is arranged between lower mould forced material supporting block 11 and lower mould movable pressure plate 15, positioning mechanism is arranged between upper mould pressure plate 18 and lower mould movable pressure plate 15, product 7 is limited to be located in lower mould movable pressure plate 15 by positioning mechanism, and the limitation of lower mould piling block 13 is used to complete die closing when material flows uniformly;Product 7 is inserted between lower mould forced material supporting block 11 and lower mould movable pressure plate 15, then upper mould pressure plate 18 and anti-type block 12 are pushed down and opened by the drive of upper mould nitrogen gas spring 8, positioning and fixing are carried out to product 7 by positioning mechanism and anti-type block 12 when upper mould base 6 moves downwards and passes through product 7, similarly, lower mould lifting plate 14 and lower mould movable pressure plate 15 are opened, at this moment, anti-type block 12 and product 7 at the upper and lower ends are completely closed, at this moment, the tolerance of the inner circle radius and the chamfer area of product 7 is reduced by the end face flatness of product 7, after processing is completed, product 7 can be taken out by opening the mould, which can solve the problems of normal structure process rotary cutting, secondary trimming, high cost and unstable product 7, and the problem that normal structure cannot be stripped or is not smooth is solved by the multilayer movable mechanism.

[0024] As Figure 3 shown, the positioning mechanism comprises: a guide needle 22, the guide needle 22 is arranged at the lower end of the upper mold pressure plate 18, when the mold is closed, the guide needle 22 and the anti-type block 12 are inserted into the product 7 to perform positioning and clamping, and the product 7 is inserted into the lower mold movable pressure plate 15; the guide needle 22 moves with the movement of the upper mold pressure plate 18, the guide needle 22 first passes through the lower mold forced material supporting block 11, then passes through the product 7, and then limits the position of the product 7, which can avoid uneven material flow when pressing, and avoid edge wrinkles.

[0025] As Figure 4As shown, the lower die seat 3 is fixed with a lower die nitrogen spring 17, and the output end of the lower die nitrogen spring 17 is fixedly arranged at the bottom end of the lower die lifting plate 14. When the mold is opened, the product 7 is separated from the lower die anvil 13 as the lower die lifting plate 14 rises. The lower die nitrogen spring 17 slowly rises against the lower die lifting plate 14 as the mold moves. Then the product 7 and the lower die lifting plate 14 are moved upward as a whole to separate from the lower die anvil 13, achieving the effect of smooth multi-layer stripping.

[0026] As shown in Figure 2 and Figure 3 , the lower base plate 1 and the lower die seat 3 are fixedly connected with the lower foot 2, and the lower foot 2 is fixedly arranged with a bottom nitrogen spring 19, and the output end of the bottom nitrogen spring 19 is arranged at the lower end of the lower die anvil 13; the lower foot 2 can change the overall height of the lower die seat 3, and the bottom nitrogen spring 19 arranged in the lower foot 2 pushes the lower die anvil 13 through the output end, so that the lower die anvil 13 can slide upward, and then support the product 7 to move upward to assist stripping.

[0027] As shown in Figure 3 and Figure 4 , the upper base plate 4 and the upper die seat 6 are fixedly connected with the upper foot 5, and the upper die nitrogen spring 8 is arranged in the upper foot 5; similarly, the upper foot 5 can change the stroke between the upper die seat 6 and the lower die seat 3, and the upper die nitrogen spring 8 wrapped in the upper foot 5 can be supported by the two sides of the outer ring to keep stable operation.

[0028] As shown in Figure 4 , the lower end of the upper die pressing plate 18 is fixed with an upper die anti-mold pad 9 through a fixed screw, the lower end of the upper die anti-mold pad 9 is fixedly connected with an anti-mold block mounting seat 10, and the anti-mold block 12 is fixedly arranged at the lower end of the anti-mold block mounting seat 10; the height and thickness of the product 7 can be adjusted through the upper die anti-mold pad 9, and the anti-mold block mounting seat 10 is fixed at the lower end of the upper die anti-mold pad 9 to fix the anti-mold block 12, so that the anti-mold block 12 can be replaced and maintained conveniently.

[0029] As shown in Figure 2 , the lower end of the upper die pressing plate 18 is fixed with an upper die anti-mold pad 9 through a fixed screw, the lower end of the upper die anti-mold pad 9 is fixedly connected with an anti-mold block mounting seat 10, and the anti-mold block 12 is fixedly arranged at the lower end of the anti-mold block mounting seat 10; the height and thickness of the product 7 can be adjusted through the upper die anti-mold pad 9, and the anti-mold block mounting seat 10 is fixed at the lower end of the upper die anti-mold pad 9 to fix the anti-mold block 12, so that the anti-mold block 12 can be replaced and maintained conveniently.

[0030] As shown in the figure, a stroke limiting tube 21 is fixedly connected to the upper die base 6, and the sliding end of the stroke limiting tube 21 is fixedly connected to the upper die pressing plate 18, and the upper end of the lower die base 3 is fixedly connected to the guide column 20, and the upper end of the guide column 20 is slidably arranged with the lower die lifting plate 14; the stroke limiting tube 21 is a telescopic structure, and the telescopic structure is specifically composed of an inner tube and an outer tube, which is an existing known technology. The outer tube end of the stroke limiting tube 21 is fixed to the inside of the upper die base 6, and the inner tube end of the telescopic end is fixedly connected to the upper die pressing plate 18, so that the vertical accuracy of the up and down movement can be limited by the stroke limiting tube 21. Similarly, the up and down movement of the lower die lifting plate 14 can be limited by the guide column 20, thereby achieving a smoother effect.

[0031] The above description is merely a preferred embodiment of the present invention and does not constitute any form of limitation to the present invention. Although the present invention has been disclosed as a preferred embodiment as above, it is not intended to limit the present invention. Any person skilled in the art can make some changes or modifications to equivalent embodiments using the technical contents disclosed above without departing from the scope of the technical solution of the present invention. However, any simple modifications, equivalent changes and modifications made to the above embodiments based on the technical essence of the present invention without departing from the content of the technical solution of the present invention are still within the scope of the technical solution of the present invention.

Claims

1. A high-precision leveling mechanism, comprising a lower support plate (1), wherein a lower die seat (3) is provided at the upper end of the lower support plate (1), an upper support plate (4) is provided above the lower support plate (1), and an upper die seat (6) is provided at the lower end of the upper support plate (4), characterized in that: The upper mold nitrogen spring (8) is fixedly connected to the interior of the upper supporting plate (4), the output end of the upper mold nitrogen spring (8) passes through the upper mold base (6), the lower end of the upper mold base (6) is provided with an upper mold pressing plate (18), the output end of the upper mold nitrogen spring (8) is fixedly connected to the upper mold pressing plate (18), the upper end of the lower mold base (3) is provided with a lower mold movable pressing plate (15), the lower end of the upper mold pressing plate (18) is provided with an anti-shape block (12), the interior of the lower mold movable pressing plate (15) is movably provided with a lower mold pier block (13 ), the lower die flat block (13) and the anti-shape block (12) are arranged in a corresponding matching manner, the upper end of the lower die movable pressing plate (15) is provided with a lower die forced support block (11), the product (7) is passed between the lower die forced support block (11) and the lower die movable pressing plate (15), and a positioning mechanism is provided between the upper die pressing plate (18) and the lower die movable pressing plate (15), the positioning mechanism restricts the product (7) to be located in the lower die movable pressing plate (15), and the material flows evenly due to the restriction of the lower die flat block (13) to complete the mold closing.

2. A high-precision leveling mechanism according to claim 1, characterized in that: The positioning mechanism comprises: A guide needle (22) is provided at the lower end of the upper mold pressing plate (18). When the mold is closed, the guide needle (22) and the anti-molding block (12) are inserted into the product (7) to perform positioning and clamping, and the product (7) is inserted into the lower mold movable pressing plate (15).

3. A high-precision leveling mechanism according to claim 2, characterized in that: A lower die nitrogen spring (17) is fixed inside the lower die base (3), and the output end of the lower die nitrogen spring (17) is fixed to the bottom end of the lower die lifting plate (14). When the mold is opened, the product (7) is separated from the lower die pier flat block (13) as the lower die lifting plate (14) rises.

4. A high-precision leveling mechanism according to claim 2, characterized in that: A lower pad (2) is fixedly connected between the lower support plate (1) and the lower die base (3), a bottom nitrogen spring (19) is fixedly arranged inside the lower pad (2), and an output end of the bottom nitrogen spring (19) is located at the lower end of the lower die pier flat block (13).

5. A high-precision leveling mechanism according to claim 2, characterized in that: An upper pad (5) is fixedly connected between the upper support plate (4) and the upper die base (6), and the upper die nitrogen spring (8) is arranged inside the upper pad (5).

6. A high-precision leveling mechanism according to claim 2, characterized in that: The lower end of the upper mold pressing plate (18) is fixed with an upper mold anti-profile block pad (9) by fixing screws, the lower end of the upper mold anti-profile block pad (9) is fixedly connected with an anti-profile block mounting seat (10), and the anti-profile block (12) is fixedly arranged at the lower end of the anti-profile block mounting seat (10).

7. A high-precision leveling mechanism according to claim 2, characterized in that: The interior of the lower die movable pressing plate (15) is fixedly connected to a leveling block adjusting gasket (16) via fixing screws, and the lower die leveling block (13) is fixedly arranged at the upper end of the leveling block adjusting gasket (16).

8. The high-precision leveling mechanism according to claim 2, characterized in that: A stroke limiting tube (21) is fixedly connected to the upper die base (6), and a sliding end of the stroke limiting tube (21) is fixedly connected to the upper die pressing plate (18). The upper end of the lower die base (3) is fixedly connected to a guide column (20), and the upper end of the guide column (20) is slidably arranged with the lower die lifting plate (14).

Images