Powder metallurgy blank block forming press

Abstract

The utility model provides a powder metallurgy blank block forming press, and belongs to the technical field of powder metallurgy. According to the technical scheme, a workbench is included, a mounting circular groove is formed in the top of the workbench, a first mounting hole is formed in the center of the bottom of the mounting circular groove, a lower pressing die rotating assembly is arranged on the first mounting hole, a mounting plate is connected to the top of the workbench through multiple sets of stand columns, and a second mounting hole corresponding to the lower pressing die rotating assembly is formed in the mounting plate; an upper pressing die assembly is arranged on the second mounting hole, a third mounting hole is formed in one side of the first mounting hole, and a jacking air cylinder is arranged at the bottom of the third mounting hole; through the arrangement of the lower pressing die rotating assembly, the upper pressing die assembly conducts pressing forming on one set of lower pressing die blocks, then the other set of lower pressing die blocks are ejected out through the jacking air cylinder to take pieces, the problem that a pressing mechanism of a traditional forming press needs to be shut down frequently to take pieces is solved, and the forming efficiency is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of forming presses, and more specifically, particularly relates to a powder metallurgy embryo block forming press. Background Art

[0002] Powder metallurgy technology is a preparation process for metal materials that uses metal powder or a mixture of metal powder and non-metal powder, and then forms and sinters it under a certain temperature and pressure. Powder metallurgy forming presses, as important equipment in the powder metallurgy process, have a significant impact on product quality and production efficiency.

[0003] For example, the Chinese utility model patent with patent number 201822029349.4 provides a blank forming press for powder metallurgy. The forming press is provided with a shaping component, a lower pressing film and an upper pressing film. When in use, the raw material to be formed is placed in the shaping component on the upper pressing film, and then the lower pressing film is pressed down to contact the upper pressing film to press the raw material into shape. However, after pressing and molding, the traditional molding press needs to stop the pressing mechanism, and then take out the molded part through the lifting mechanism, and then press the next molded part. In this process, the pressing mechanism needs to be stopped repeatedly, resulting in low molding efficiency and a long production cycle. Utility Model Content

[0004] In order to solve the above technical problems, the utility model provides a powder metallurgy blank molding press to solve the technical problem in the prior art that the traditional molding press needs to stop the pressing mechanism, then take out the molded part through the jacking mechanism, and then press the next molded part, resulting in low molding efficiency.

[0005] The purpose and effect of the powder metallurgy block forming press of the utility model are achieved by the following specific technical means:

[0006] A powder metallurgy billet forming press comprises a workbench, a mounting circular groove is provided on the top of the workbench, a first mounting hole is provided at the center position of the bottom of the mounting circular groove, a lower die rotating assembly is arranged on the first mounting hole, a mounting plate is connected to the top of the workbench through a plurality of sets of columns, a second mounting hole is provided on the mounting plate corresponding to the lower die rotating assembly, an upper die assembly is arranged on the second mounting hole, a third mounting hole is provided on one side of the first mounting hole, and a lifting cylinder is arranged at the bottom of the third mounting hole.

[0007] According to a preferred embodiment, the lower die rotating assembly includes a rotating block, the rotating block is arranged in the mounting circular groove, two groups of first mounting grooves are opened on the top of the rotating block, and lower die modules are arranged in both groups of the first mounting grooves.

[0008] According to a preferred embodiment, the lower die rotating assembly further includes a stepping motor, the stepping motor is disposed at the bottom of the first mounting hole, and the main shaft of the stepping motor passes through the first mounting hole and is connected to the rotating block.

[0009] According to a preferred embodiment, two groups of the first mounting grooves are provided with lifting holes corresponding to the lifting cylinders.

[0010] According to a preferred embodiment, the upper die assembly includes a hydraulic cylinder, the hydraulic cylinder is arranged on the top of the second mounting hole, the hydraulic rod of the hydraulic cylinder passes through the second mounting hole and is connected to one end of a connecting rod, and the other end of the connecting rod is provided with a pressing block.

[0011] According to a preferred embodiment, the upper die assembly also includes multiple groups of positioning rods, multiple groups of positioning rods are arranged at the bottom of the mounting plate, positioning holes are opened on the circumference of the pressing block corresponding to the multiple groups of positioning rods, and the multiple groups of positioning rods are respectively inserted into the multiple groups of positioning holes.

[0012] According to a preferred embodiment, a second mounting groove is provided at the bottom of the pressing block corresponding to the upper pressing die assembly, and an upper pressing module is arranged in the second mounting groove.

[0013] According to a preferred embodiment, a support plate is provided on the top of the hydraulic cylinder, and the mounting plate is connected to the support plate via a plurality of groups of support columns.

[0014] According to a preferred embodiment, a plurality of sets of table legs are arranged at the bottom of the workbench.

[0015] Compared with the prior art, the utility model has the following beneficial effects:

[0016] 1. Through the setting of the lower die rotating assembly, when the molding press is used, the rotating block can be rotated by the stepper motor, so that the upper die assembly presses and molds one group of the lower die modules, and then the other group of the lower die modules is ejected by the lifting cylinder to take out the parts, and then the raw materials are put back in, and the rotating block is driven by the stepper motor for rotation, which solves the problem that the traditional molding press needs to frequently stop the pressing mechanism to take out the parts, and improves the molding efficiency.

[0017] 2. Through the setting of the upper die assembly, when using the forming press, the connecting rod can be driven by the hydraulic cylinder to realize the lifting and pressing of the upper die; through the contact between the upper pressing module and the lower pressing module, the metal blank can be shaped and pressed to ensure the quality and accuracy of the blank forming, which not only improves the production efficiency, but also reduces the defective rate, bringing users a more reliable and satisfactory use experience.

[0018] 3. Through the setting of positioning rods and positioning holes, when using the molding press, the position of the pressing block can be located to avoid deviation during the molding process. At the same time, multiple sets of support columns and support plates are used to fix the hydraulic cylinder, which improves the overall rigidity and stability; multiple sets of table legs are set at the bottom of the workbench to facilitate movement and fixation, thereby improving the convenience of the press. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the structure of the powder metallurgy blank forming press of the utility model;

[0020] Figure 2 It is an exploded view of the powder metallurgy blank forming press of the utility model;

[0021] Figure 3 It is a schematic diagram of the structure of the upper die assembly after assembly in the powder metallurgy blank forming press of the utility model;

[0022] Figure 4 for Figure 3 Schematic diagram of the structure after decomposition.

[0023] In the figure, the corresponding relationship between the component names and the figure numbers is as follows:

[0024] 11. Workbench; 12. Mounting groove; 13. First mounting hole; 14. Column; 15. Mounting plate; 16. Second mounting hole; 17. Third mounting hole; 18. Lifting cylinder; 19. Table foot; 21. Rotating block; 22. First mounting groove; 23. Lower pressing module; 24. Stepping motor; 25. Lifting hole; 31. Hydraulic cylinder; 32. Connecting rod; 33. Pressing block; 34. Positioning rod; 35. Positioning hole; 36. Second mounting groove; 37. Upper pressing module; 38. Support plate; 39. Support column. DETAILED DESCRIPTION

[0025] The following is a further detailed description of the implementation of the present invention in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present invention, but cannot be used to limit the scope of the present invention.

[0026] Example:

[0027] As attached Figure 1 To Attachment Figure 4 As shown:

[0028] The utility model provides a powder metallurgy blank forming press, comprising a workbench 11, a mounting circular groove 12 is provided on the top of the workbench 11, a first mounting hole 13 is provided at the bottom center of the mounting circular groove 12, a lower die rotating assembly is arranged on the first mounting hole 13, a mounting plate 15 is connected to the top of the workbench 11 through a plurality of sets of columns 14, a second mounting hole 16 is provided on the mounting plate 15 corresponding to the lower die rotating assembly, an upper die assembly is arranged on the second mounting hole 16; in addition, a third mounting hole 17 is provided on one side of the first mounting hole 13, a lifting cylinder 18 is provided at the bottom of the third mounting hole 17; the die can be lifted by the lifting cylinder 18, so that the formed blank is conveniently taken in and placed, thereby improving the production efficiency; the press is made more flexible and efficient during use, and a reliable guarantee is provided for the forming of the powder metallurgy blank.

[0029] Please refer to Figure 1 and Figure 2 As shown, the lower die rotating assembly includes a rotating block 21, which is installed in the mounting circular groove 12 to ensure its stable operation. Two groups of first mounting grooves 22 are installed on the top of the rotating block 21. The two groups of first mounting grooves 22 provide a solid installation foundation for the lower pressing module 23, so that the lower pressing module 23 can work accurately and stably, ensuring the precise positioning of the lower pressing module 23 and providing it with a flexible rotation function, thereby realizing efficient forming and pressing of the metal blank.

[0030] Please refer to Figure 2 As shown, the lower die rotating assembly also includes a stepper motor 24, which is installed at the bottom of the first mounting hole 13, and its main shaft passes through the first mounting hole 13 and is connected to the rotating block 21. By starting the stepper motor 24, the rotating block 21 can be rotated 180 degrees, so that the two groups of lower pressing modules 23 can be interchanged. This design enables the upper die assembly to efficiently press and form one group of lower pressing modules 23; then, the lifting cylinder 18 will push out the other group of lower pressing modules 23 for the removal operation, and then, new raw materials can be put back in, thereby realizing a continuous production process; it solves the problem that the traditional molding press needs to stop frequently to take out parts, greatly improves the molding efficiency, and brings higher efficiency and reliability to the production process.

[0031] Please refer to Figure 2As shown, the two groups of first mounting grooves 22 are provided with lifting holes 25 corresponding to the lifting cylinders 18; this design enables the pneumatic rod of the lifting cylinder 18 to smoothly pass through the lifting hole 25, and then perform precise lifting operations on one group of the pressing modules 23, thereby facilitating the removal of the formed embryo blocks. Through the action of the lifting cylinders 18, the pressing modules 23 can be stably lifted, thereby providing convenience for removing the formed embryo blocks. This process is not only efficient, but also ensures the safety and accuracy of the operation.

[0032] Please refer to Figure 2 , Figure 3 and Figure 4 As shown, the hydraulic cylinder 31 is installed at the top of the second mounting hole 16, and the hydraulic rod of the hydraulic cylinder 31 passes through the second mounting hole 16 and is connected to one end of the connecting rod 32; a pressing block 33 is provided at the other end of the connecting rod 32. This design enables the hydraulic cylinder 31 to drive the connecting rod 32, thereby realizing the lifting and pressing functions of the pressing block 33. The design of the entire upper die assembly is exquisite and efficient. Through the power transmission of the hydraulic cylinder 31, the connecting rod 32 can accurately control the movement of the pressing block 33, thereby realizing efficient pressing of the metal blank; it not only improves the production efficiency, but also ensures the stability and accuracy of the pressing process.

[0033] Please refer to Figure 3 and Figure 4 As shown, the upper die assembly is also carefully designed with multiple groups of positioning rods 34, which are cleverly installed at the bottom of the mounting plate 15, and positioning holes 35 are opened at positions corresponding to the circumferential sides of the pressing block 33; the multiple groups of positioning rods 34 are accurately inserted into the multiple groups of positioning holes 35, which can accurately locate the position of the pressing block 33, effectively avoiding the possible deviation during the molding process, ensuring the quality and accuracy of the blank molding, reducing the defective rate, and bringing a reliable use experience to users. Through the coordinated action of the multiple groups of positioning rods 34 and the positioning holes 35, the upper die assembly can maintain a high degree of stability and accuracy during operation, thereby improving the efficiency and reliability of the entire molding process.

[0034] Please refer to Figure 3 and Figure 4 As shown, a second mounting groove 36 is provided at the bottom of the pressing block 33 corresponding to the upper pressing die assembly, and an upper pressing module 37 is arranged inside the second mounting groove 36. When the hydraulic cylinder 31 is started, it will generate a strong driving force to drive the upper pressing module 37 to move downward. This downward movement makes the upper pressing module 37 in close contact with the lower pressing module 23, thereby realizing efficient shaping and pressing of the metal blank. Through the coordinated action of the upper pressing module 37 and the lower pressing module 23, the metal blank can be quickly and accurately pressed into the desired shape and size.

[0035] Please refer to Figure 4As shown, a support plate 38 is provided on the top of the hydraulic cylinder 31 to ensure the stability and safety of the hydraulic cylinder 31. The mounting plate 15 and the support plate 38 are firmly connected by multiple groups of support columns 39, which provide excellent rigidity and stability for the entire assembly. The overall rigidity is significantly improved, and it can effectively resist external pressure and impact force. Whether in a high-pressure working environment or under complex operating conditions, it can remain stable, ensuring the normal operation and long-term reliability of the equipment.

[0036] Please refer to Figure 2 As shown, a plurality of sets of table legs 19 are arranged at the bottom of the workbench 11. The plurality of table legs 19 provide a solid foundation for the workbench 11 with their solid structure and stable supporting ability, further improving the stability and being able to effectively resist external vibration and interference.

[0037] The embodiments of the present invention are provided for the purpose of illustration and description, and are not intended to be exhaustive or to limit the present invention to the disclosed forms. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments are selected and described to better illustrate the principles and practical applications of the present invention, and to enable those of ordinary skill in the art to understand the present invention and thereby design various embodiments with various modifications suitable for specific uses.

Claims

1. A powder metallurgy block forming press, characterized in that: The invention comprises a workbench (11), wherein a mounting circular groove (12) is provided on the top of the workbench (11), a first mounting hole (13) is provided at the center of the bottom of the mounting circular groove (12), a lower die rotating assembly is arranged on the first mounting hole (13), a mounting plate (15) is connected to the top of the workbench (11) through a plurality of sets of columns (14), a second mounting hole (16) is provided on the mounting plate (15) corresponding to the lower die rotating assembly, an upper die assembly is arranged on the second mounting hole (16), a third mounting hole (17) is provided on one side of the first mounting hole (13), and a lifting cylinder (18) is arranged at the bottom of the third mounting hole (17).

2. The powder metallurgy billet forming press according to claim 1, characterized in that: The lower pressing die rotating assembly comprises a rotating block (21), the rotating block (21) is arranged in the mounting circular groove (12), two groups of first mounting grooves (22) are opened on the top of the rotating block (21), and a lower pressing module (23) is arranged in each of the two groups of first mounting grooves (22).

3. The powder metallurgy billet forming press according to claim 2, characterized in that: The lower die rotating assembly also includes a stepping motor (24), the stepping motor (24) is arranged at the bottom of the first mounting hole (13), and the main shaft of the stepping motor (24) passes through the first mounting hole (13) and is connected to the rotating block (21).

4. The powder metallurgy billet forming press according to claim 3, characterized in that: Both groups of the first mounting grooves (22) are provided with lifting holes (25) corresponding to the lifting cylinders (18).

5. The powder metallurgy billet forming press according to claim 1, characterized in that: The upper die assembly comprises a hydraulic cylinder (31), the hydraulic cylinder (31) is arranged at the top of the second mounting hole (16), the hydraulic rod of the hydraulic cylinder (31) passes through the second mounting hole (16) and is connected to one end of a connecting rod (32), and the other end of the connecting rod (32) is provided with a pressing block (33).

6. The powder metallurgy billet forming press according to claim 5, characterized in that: The upper die assembly also includes a plurality of groups of positioning rods (34), the bottom of the mounting plate (15) is provided with a plurality of groups of positioning rods (34), the periphery of the pressing block (33) is provided with positioning holes (35) corresponding to the plurality of groups of positioning rods (34), and the plurality of groups of positioning rods (34) are respectively inserted into the plurality of groups of positioning holes (35).

7. The powder metallurgy billet forming press according to claim 6, characterized in that: A second installation groove (36) is provided at the bottom of the pressing block (33) corresponding to the upper pressing die assembly, and an upper pressing module (37) is arranged in the second installation groove (36).

8. The powder metallurgy billet forming press according to claim 7, characterized in that: A support plate (38) is provided on the top of the hydraulic cylinder (31), and the mounting plate (15) and the support plate (38) are connected via a plurality of groups of support columns (39).

9. The powder metallurgy billet forming press according to claim 1, characterized in that: A plurality of sets of table legs (19) are arranged at the bottom of the workbench (11).

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