Mould for working of hydraulic forming press

Abstract

The utility model relates to the technical field of forming presses, and discloses a working die for a hydraulic forming press, which comprises a working table main body and a hydraulic cylinder arranged on the working table main body, an upper die is fixed at the output end of the hydraulic cylinder, a lower die positioned under the upper die is fixed on the working table main body, and the lower die is fixed on the working table main body. The lower die comprises a lower die base, a lower die outer ring, a lower die inner ring and a lower die tensioning ring from outside to inside. The forming die has the advantages that flexibility of the forming die can be improved, and then forming precision is improved.

Description

Technical Field

[0001] This utility model relates to the field of forming machine technology, and in particular to a working mold for a hydraulic forming machine. Background Technology

[0002] A bearing seal cover is a component used to protect bearings from external contaminants and lubricant leakage. A hydraulic press is required during the pressing and forming process of the bearing seal cover. As an important piece of equipment widely used in metal forming, plastic processing, and other material processing fields, the hydraulic press works by converting liquid pressure into mechanical force through a hydraulic system, thereby achieving operations such as pressing and forming of workpieces. In the application of hydraulic presses, the design and improvement of the forming die directly affect the efficiency of the forming process, the quality of the product, and the service life of the die. Traditional forming dies typically use fixed geometric shapes, which are not easily changed. Due to the lack of flexibility in die design, it is difficult to meet high-precision requirements during the forming process. Utility Model Content

[0003] The purpose of this invention is to provide a working mold for a hydraulic forming machine, which improves the flexibility of the forming mold and thus improves the forming accuracy.

[0004] The above-mentioned technical objective of this utility model is achieved through the following technical solution: a working mold for a hydraulic forming machine, comprising a worktable body and a hydraulic cylinder installed on the worktable body, an upper mold fixed at the output end of the hydraulic cylinder, and a lower mold fixed on the worktable body directly below the upper mold, the lower mold comprising, from the outside to the inside, a lower mold base, a lower mold outer ring, a lower mold inner ring and a lower mold tensioning ring.

[0005] By adopting the above technical solution, the material is placed into the lower mold, and the hydraulic cylinder drives the upper mold to descend and apply pressure to press the material into shape. The device consists of multiple sub-components forming the lower mold, making the mold more flexible and making it easier to achieve precise alignment of each processing part of the sealing cover, thereby improving the molding accuracy and consistency. When the segmented mold is subjected to force, the pressure can be distributed more evenly, reducing the deformation that may occur in the mold during the molding process.

[0006] A further feature of this invention is that the lower mold outer ring and the lower mold inner ring each include a plurality of circumferentially distributed lower mold outer arc-shaped blocks and a plurality of lower mold inner arc-shaped blocks.

[0007] By adopting the above technical solution, multiple outer arc-shaped blocks of the lower mold form the outer ring of the lower mold, and multiple inner arc-shaped blocks of the lower mold form the inner ring of the lower mold. When a certain part of the mold is worn or damaged, only that part needs to be replaced, instead of replacing the entire mold, which reduces maintenance costs and time, and also increases the flexibility of the mold.

[0008] A further feature of this invention is that the outer ring of the lower mold is provided with a first groove, and the inner ring of the lower mold is provided with a second groove.

[0009] By adopting the above technical solution, the first and second grooves are designed to meet the processing requirements of the sealing cover, resulting in higher precision.

[0010] A further feature of this invention is that the bottom of the upper mold is provided with a pressing block corresponding to the first groove and the second groove.

[0011] By adopting the above technical solution, the material is formed by pressing down the upper mold.

[0012] A further feature of this invention is that the lower mold base is a circular base, the inner wall surface of the lower mold base is in contact with the outer wall surface of the outer ring of the lower mold, and the outer wall surface of the inner ring of the lower mold is in contact with the inner wall surface of the outer ring of the lower mold.

[0013] By adopting the above technical solution, the various parts of the mold can be offset against each other, the pressure can be distributed, and the deformation of the mold that may occur during the molding process can be reduced.

[0014] A further feature of this invention is that the bottom of the lower mold base is provided with a protrusion and a first through hole distributed circumferentially around the protrusion, and a first bolt extending into the outer ring of the lower mold is threaded into the first through hole.

[0015] By adopting the above technical solution, the lower mold outer ring can be disassembled and assembled using the first bolt, which facilitates the replacement and maintenance of the lower mold outer ring.

[0016] A further feature of this invention is that the bottom of the lower mold base is provided with a second through hole distributed circumferentially around the protrusion, the second through hole being located between the protrusion and the first through hole, and a second bolt extending into the inner ring of the lower mold is threaded into the second through hole.

[0017] By adopting the above technical solution, the lower mold inner ring can be disassembled and assembled using the second bolt, which facilitates the replacement and maintenance of the lower mold inner ring.

[0018] A further feature of this invention is that the outer wall surface of the lower mold tensioning ring is in contact with the inner wall surface of the lower mold inner ring.

[0019] By adopting the above technical solution, the tensioning ring can effectively disperse and withstand pressure, protecting the mold from damage.

[0020] A further feature of this invention is that the lower mold tensioning ring has a third through hole in the middle, and a third bolt extending into the lower mold base is threaded into the third through hole.

[0021] By adopting the above technical solution, the lower mold tensioning ring can be disassembled and assembled using the third bolt, which facilitates the replacement and maintenance of the lower mold tensioning ring.

[0022] A further feature of this invention is that the upper mold is fixedly connected to the output end of the hydraulic cylinder by a fourth bolt.

[0023] By adopting the above technical solution, the upper mold is installed on the output end of the hydraulic cylinder using the fourth bolt, which facilitates the inspection and replacement of parts.

[0024] The beneficial effects of this utility model are:

[0025] 1. The lower mold is composed of multiple sub-components, making the mold more flexible and easier to achieve precise alignment of each processing part of the sealing cover, thereby improving the molding accuracy and consistency. When the sub-mold is under force, it can distribute the pressure more evenly and reduce the deformation that may occur in the mold during the molding process.

[0026] 2. Multiple outer arc-shaped blocks of the lower mold form the outer ring of the lower mold, and multiple inner arc-shaped blocks of the lower mold form the inner ring of the lower mold. This means that when a part of the mold is worn or damaged, only that part needs to be replaced, instead of replacing the entire mold. This reduces maintenance costs and time, and also increases the flexibility of the mold.

[0027] 3. The upper mold, lower mold outer ring, lower mold inner ring, and lower mold tensioning ring can all be disassembled with bolts, making it convenient to inspect and replace parts according to processing needs. Attached Figure Description

[0028] To more clearly illustrate the technical solutions in the embodiments of this utility model, the drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0029] Figure 1 This is a schematic diagram of the structure of this utility model.

[0030] Figure 2 This is a top view of the lower mold base structure of this utility model.

[0031] Figure 3 This is a top view schematic diagram of the outer ring structure of the lower mold in this utility model.

[0032] Figure 4 This is a top view schematic diagram of the inner ring structure of the lower mold in this utility model.

[0033] Figure 5 This is a top view of the upper mold structure of this utility model.

[0034] In the diagram, 1 is a hydraulic cylinder; 2 is an upper mold; 3 is a lower mold; 31 is a lower mold base; 32 is an outer ring of the lower mold; 32a is an outer arc-shaped segment of the lower mold; 33 is an inner ring of the lower mold; 33a is an inner arc-shaped segment of the lower mold; 34 is a tensioning ring of the lower mold; 4 is a first groove; 5 is a second groove; 6 is a protrusion; 7 is a first through hole; 8 is a first bolt; 9 is a second through hole; 10 is a second bolt; 11 is a third through hole; 12 is a third bolt; 13 is a fourth bolt; and 14 is a pressure block. Detailed Implementation

[0035] The technical solution of this utility model will now be clearly and completely described with reference to specific embodiments. Obviously, the described embodiments are only a part of the embodiments of this utility model, and not all of them. All other embodiments obtained by those skilled in the art based on the embodiments of this utility model without creative effort are within the scope of protection of this utility model.

[0036] Example 1: A working mold for a hydraulic forming machine, such as... Figure 1 As shown, the device includes a workbench body and a hydraulic cylinder 1 installed on the workbench body. An upper mold 2 is fixed to the output end of the hydraulic cylinder 1. A lower mold 3 is fixed to the workbench body and located directly below the upper mold 2. The lower mold 3 includes a lower mold base 31, an outer ring 32, an inner ring 33, and a tensioning ring 34 from the outside to the inside. When the material is placed into the lower mold 3, the hydraulic cylinder 1 drives the upper mold 2 to descend and apply pressure to press the material into shape. The device consists of multiple sub-components to form the lower mold 3, making the mold more flexible and easier to achieve precise alignment of various processing parts of the sealing cover, thereby improving the accuracy and consistency of the forming.

[0037] like Figure 3 , Figure 4 As shown, the lower mold outer ring 32 and the lower mold inner ring 33 respectively include multiple lower mold outer arc-shaped blocks 32a and multiple lower mold inner arc-shaped blocks 33a distributed around the circumference. The multiple lower mold outer arc-shaped blocks 32a form the lower mold outer ring 32, and the multiple lower mold inner arc-shaped blocks 33a form the lower mold inner ring 33. This allows the mold to be replaced only when a certain part is worn or damaged, instead of replacing the entire mold, thus reducing maintenance costs and time.

[0038] like Figure 1 , Figure 3 , Figure 4 As shown, the lower mold outer ring 32 is provided with a first groove 4, the lower mold inner ring 33 is provided with a second groove 5, and the bottom of the upper mold 2 is provided with a pressure block 14 corresponding to the first groove 4 and the second groove 5. The first groove 4, the second groove 5 and the pressure block 14 are opened according to the processing requirements of the sealing cover, and the precision is higher.

[0039] like Figure 1 , Figure 2As shown, the lower mold base 31 is a circular base. The inner wall surface of the lower mold base 31 is in contact with the outer wall surface of the lower mold outer ring 32, and the outer wall surface of the lower mold inner ring 33 is in contact with the inner wall surface of the lower mold outer ring 32. The various parts of the mold abut against each other, dispersing the pressure and reducing the deformation that may occur in the mold during the molding process.

[0040] like Figure 1 , Figure 2 As shown, the bottom of the lower mold base 31 is provided with a protrusion 6 and a first through hole 7 distributed around the protrusion 6. The first through hole 7 is internally threaded with a first bolt 8 extending into the outer ring 32 of the lower mold. The bottom of the lower mold base 31 is provided with a second through hole 9 distributed around the protrusion 6. The second through hole 9 is located between the protrusion 6 and the first through hole 7. The second through hole 9 is internally threaded with a second bolt 10 extending into the inner ring 33 of the lower mold. The outer wall surface of the lower mold tensioning ring 34 is in contact with the inner wall surface of the lower mold inner ring 33. The lower mold outer ring 32 can be disassembled and assembled by the first bolt 8, and the lower mold inner ring 33 can be disassembled and assembled by the second bolt 10, which is convenient for maintenance and replacement.

[0041] like Figure 1 As shown, the lower die tensioning ring 34 has a third through hole 11 in the middle. The third through hole 11 is internally threaded with a third bolt 12 that extends into the lower die base 31. The lower die tensioning ring 34 can be disassembled and assembled through the third bolt 12, which facilitates the replacement and maintenance of the lower die tensioning ring 34.

[0042] like Figure 1 , Figure 5 As shown, the upper mold 2 is fixedly connected to the output end of the hydraulic cylinder 1 by the fourth bolt 13. The upper mold 2 is installed on the output end of the hydraulic cylinder 1 by the fourth bolt 13, which facilitates the inspection and replacement of parts.

[0043] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A working mold for a hydraulic forming machine, comprising a worktable body and a hydraulic cylinder (1) mounted on the worktable body, characterized in that: The output end of the hydraulic cylinder (1) is fixed with an upper mold (2), and the main body of the workbench is fixed with a lower mold (3) located directly below the upper mold (2). The lower mold (3) includes a lower mold base (31), a lower mold outer ring (32), a lower mold inner ring (33), and a lower mold tensioning ring (34) from the outside to the inside.

2. The working mold for a hydraulic forming machine according to claim 1, characterized in that: The lower mold outer ring (32) and the lower mold inner ring (33) respectively include a plurality of lower mold outer arc-shaped blocks (32a) and a plurality of lower mold inner arc-shaped blocks (33a) distributed around the circumference.

3. The working mold for a hydraulic forming machine according to claim 2, characterized in that: The lower mold outer ring (32) is provided with a first groove (4), and the lower mold inner ring (33) is provided with a second groove (5).

4. The working mold for a hydraulic forming machine according to claim 3, characterized in that: The bottom of the upper mold (2) is provided with a pressing block (14) corresponding to the first groove (4) and the second groove (5).

5. The working mold for a hydraulic forming machine according to claim 1, characterized in that: The lower mold base (31) is a circular base, the inner wall surface of the lower mold base (31) is in contact with the outer wall surface of the lower mold outer ring (32), and the outer wall surface of the lower mold inner ring (33) is in contact with the inner wall surface of the lower mold outer ring (32).

6. The working mold for a hydraulic forming machine according to claim 5, characterized in that: The bottom of the lower mold base (31) is provided with a protrusion (6) and a first through hole (7) distributed around the protrusion (6) in a circumferential direction. The first through hole (7) is internally threaded with a first bolt (8) that extends into the outer ring (32) of the lower mold.

7. A working mold for a hydraulic forming machine according to claim 6, characterized in that: The bottom of the lower mold base (31) is provided with a second through hole (9) distributed around the protrusion (6) in a circumferential direction. The second through hole (9) is located between the protrusion (6) and the first through hole (7). The second through hole (9) is internally threaded with a second bolt (10) that extends into the inner ring (33) of the lower mold.

8. The working mold for a hydraulic forming machine according to claim 1, characterized in that: The outer wall of the lower mold tensioning ring (34) is in contact with the inner wall of the lower mold inner ring (33).

9. A working mold for a hydraulic forming machine according to claim 8, characterized in that: The lower mold tensioning ring (34) has a third through hole (11) in the middle, and a third bolt (12) that extends into the lower mold base (31) is threaded into the third through hole (11).

10. A working mold for a hydraulic forming machine according to claim 1, characterized in that: The upper mold (2) is fixedly connected to the output end of the hydraulic cylinder (1) by the fourth bolt (13).

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