Punch forming die for powder metallurgy component

Abstract

The utility model discloses a punch forming die for a powder metallurgy component, which relates to the technical field of powder metallurgy, comprises a bottom plate, an upper die and a lower die, and is characterized in that two groups of supporting rods are symmetrically and fixedly arranged on the upper surface of the bottom plate, a top plate is fixedly connected through the two groups of supporting rods, and the lower die is arranged on the upper surface of the bottom plate. A motor is fixedly arranged on the upper surface of the bottom plate, the output end of the motor is fixedly connected with a first lead screw, the rod wall of the other end of the first lead screw is rotationally connected with the top plate, and the rod wall of the lower end of the first lead screw is fixedly sleeved with a cam. Through the arrangement of the knocking rod and the cam, the cam can be driven to rotate in the rotating process of the first lead screw, and the knocking rod can be driven to drive the rubber hammer head to knock the lower die in the rotating process of the cam, so that powder can be uniformly spread in the lower die before stamping; and after stamping is completed, the product can be loosened through knocking, so that the formed product can be taken out conveniently.

Description

Technical Field

[0001] The utility model relates to the technical field of powder metallurgy, in particular to a stamping forming die for powder metallurgy parts. Background Art

[0002] Powder metallurgy is a process technology that produces metal powder or uses metal powder, or a mixture of metal powder and non-metallic powder as raw material, and then forms and sinters it to manufacture metal materials, composite materials and various types of products. Powder metallurgy is similar to the production of ceramics, both of which belong to powder sintering technology.

[0003] In the process of realizing the present application, the applicant discovered that the existing molds need to be manually knocked during use to ensure uniform powder spreading, and after the stamping is completed, the product removal process is hindered due to the existence of friction. Utility Model Content

[0004] In view of the above problems existing in the existing stamping forming dies, the present utility model is proposed.

[0005] Therefore, the purpose of the utility model is to provide a stamping forming die for powder metallurgy parts, which solves the problem that the existing mold needs to be manually knocked during use to ensure uniform powder spreading, and the product removal process is hindered due to the existence of friction after stamping is completed.

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

[0007] A stamping forming die for powder metallurgy parts, comprising a base plate, an upper die and a lower die, characterized in that two groups of support rods are symmetrically fixedly arranged on the upper surface of the base plate, and are fixedly connected to a top plate through the two groups of support rods, the lower die is arranged on the upper surface of the base plate, a motor is fixedly arranged on the upper surface of the base plate, the output end of the motor is fixedly connected to a first screw rod, the other end rod wall of the first screw rod is rotatably connected to the top plate, the lower end rod wall of the first screw rod is fixedly sleeved with a cam, a fixing plate is fixedly arranged on the upper surface of the base plate, a knocking rod is movably penetrated inside the fixing plate, one end of the knocking rod is transmission connected to the cam, the other end of the knocking rod is fixedly connected to a rubber hammer, the rod wall of the first screw rod is threadedly sleeved with a mounting plate, a hydraulic cylinder is fixedly arranged on the upper surface of the mounting plate, and the output end of the hydraulic cylinder passes through the mounting plate and is fixedly connected to the upper die.

[0008] 2. A stamping mold for powder metallurgy parts according to claim 1, characterized in that a second screw is rotatably arranged between the bottom plate and the top plate, the second screw is threadedly sleeved with the mounting plate, the upper ends of the first screw and the second screw both pass through the top plate and are respectively fixedly connected with gears, and a chain is meshed and wound around the two gears.

[0009] 3. A stamping forming die for powder metallurgy parts according to claim 1, characterized in that a baffle is fixedly sleeved on the rod wall of the knocking rod, and a spring movably sleeved on the rod wall of the knocking rod is fixedly connected between the baffle and the fixed plate.

[0010] 4. A stamping die for powder metallurgy parts according to claim 1, characterized in that a ball is rotatably provided at one end of the knocking rod, and the ball is in contact and connected with the side of the cam.

[0011] 5. The stamping forming die for powder metallurgy parts according to claim 1, characterized in that four L-shaped plates are fixedly arranged on the upper surface of the bottom plate, and the lower die is inserted between the four L-shaped plates.

[0012] 6. A stamping die for powder metallurgy parts according to claim 1, characterized in that two U-shaped handles are symmetrically fixedly provided on the side wall of the lower die.

[0013] In the above technical solution, the technical effects and advantages provided by the utility model are:

[0014] The utility model can drive the cam to rotate during the rotation of the first screw by means of the knocking rod and the cam, and can drive the knocking rod to drive the rubber hammer head to knock the lower die during the rotation of the cam, so that the powder can be evenly spread inside the lower die before stamping, and the product can be loosened by knocking after the stamping is completed, so as to facilitate the removal of the formed product. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in the present utility model. For ordinary technicians in this field, other drawings can also be obtained based on these drawings.

[0016] Figure 1 It is a structural schematic diagram of the utility model;

[0017] Figure 2 For the utility model Figure 1 An enlarged schematic diagram of part A.

[0018] Description of reference numerals:

[0019] 1. Bottom plate; 2. Upper die; 3. Lower die; 4. Support rod; 5. Top plate; 6. Motor; 7. First screw rod; 8. Cam; 9. Fixed plate; 10. Knocking rod; 11. Rubber hammer; 12. Mounting plate; 13. Hydraulic cylinder; 14. Second screw rod; 15. Gear; 16. Chain; 17. Baffle; 18. Spring; 19. Ball bearing; 20. L-shaped plate; 21. U-shaped handle. DETAILED DESCRIPTION

[0020] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0021] The utility model embodiment discloses a stamping forming die for a powder metallurgy part.

[0022] The utility model provides Figure 1 and Figure 2 The stamping forming die of a powder metallurgy part shown in the figure comprises a base plate 1, an upper die 2 and a lower die 3. Two groups of support rods 4 are symmetrically fixedly arranged on the upper surface of the base plate 1, and a top plate 5 is fixedly connected to the two groups of support rods 4. The lower die 3 is arranged on the upper surface of the base plate 1. A motor 6 is fixedly arranged on the upper surface of the base plate 1. A first screw rod 7 is fixedly connected to the output end of the motor 6. The other end of the rod wall of the first screw rod 7 is rotatably connected to the top plate 5. A cam 8 is fixedly sleeved on the lower end of the rod wall of the first screw rod 7. A fixed plate 9 is fixedly arranged on the upper surface of the base plate 1. A knocking rod 10 is movably penetrated inside the fixed plate 9. One end of the knocking rod 10 is transmission-connected to the cam 8. The other end of the knock rod 10 is fixedly connected to a rubber hammer head 11, and the rod wall of the first screw rod 7 is threadedly sleeved with a mounting plate 12. A hydraulic cylinder 13 is fixedly arranged on the upper surface of the mounting plate 12. The output end of the hydraulic cylinder 13 passes through the mounting plate 12 and is fixedly connected to the upper mold 2. By utilizing the set knocking rod 10 and cam 8, the cam 8 can be driven to rotate during the rotation of the first screw rod 7, and the knocking rod 10 can be driven to drive the rubber hammer head 11 to knock the lower mold 3 during the rotation of the cam 8, so that the powder can be evenly spread inside the lower mold 3 before stamping, and the product can be loosened by knocking after the stamping is completed, so as to facilitate the removal of the formed product.

[0023] like Figure 1 and Figure 2 As shown, a second screw rod 14 is rotatably arranged between the bottom plate 1 and the top plate 5, and the second screw rod 14 is threadedly sleeved with the mounting plate 12. The upper ends of the first screw rod 7 and the second screw rod 14 both penetrate the top plate 5 and are respectively fixedly connected with gears 15, and a chain 16 is meshed and wound around the two gears 15. By utilizing the transmission connection between the two gears 15 and the chain 16, the second screw rod 14 can be driven to rotate synchronously during the rotation of the first screw rod 7, thereby being able to adjust the height of the mounting plate 12.

[0024] like Figure 1 and Figure 2 As shown, the rod wall of the knock rod 10 is fixedly sleeved with a baffle 17, and a spring 18 movably sleeved with the rod wall of the knock rod 10 is fixedly connected between the baffle 17 and the fixed plate 9. By utilizing the set spring 18 and baffle 17, the baffle 17 can be pulled by the elastic force of the spring 18 to drive the knock rod 10 to reset.

[0025] like Figure 1 and Figure 2 As shown, a ball 19 is rotatably provided at one end of the knock rod 10, and the ball 19 is in contact with the side of the cam 8. The provided ball 19 can reduce the friction between the side of the cam 8 and the end of the knock rod 10 during the rotation of the cam 8.

[0026] like Figure 1 and Figure 2 As shown, four L-shaped plates 20 are fixedly arranged on the upper surface of the base plate 1, and the lower mold 3 is inserted between the four L-shaped plates 20. The four L-shaped plates 20 can be used to limit the placement of the lower mold 3 so that the lower mold 3 can be located directly below the upper mold 2.

[0027] like Figure 1 and Figure 2 As shown, two U-shaped handles 21 are symmetrically fixedly provided on the side wall of the lower mold 3. The U-shaped handles 21 can be used to facilitate the disassembly and cleaning of the lower mold 3.

[0028] The above only describes some exemplary embodiments of the present invention by way of illustration. It is undoubted that those skilled in the art can modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and descriptions are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.

Claims

1. A stamping die for powder metallurgy parts, comprising a base plate (1), an upper die (2) and a lower die (3), characterized in that: Two groups of support rods (4) are symmetrically fixedly arranged on the upper surface of the bottom plate (1), and a top plate (5) is fixedly connected via the two groups of support rods (4); the lower mold (3) is arranged on the upper surface of the bottom plate (1); a motor (6) is fixedly arranged on the upper surface of the bottom plate (1); an output end of the motor (6) is fixedly connected to a first screw rod (7); the other end of the first screw rod (7) is rotatably connected to the top plate (5); a cam (8) is fixedly sleeved on the lower end of the first screw rod (7); A fixing plate (9) is fixedly arranged on the upper surface, a knocking rod (10) is movably penetrated inside the fixing plate (9), one end of the knocking rod (10) is transmission-connected to the cam (8), the other end of the knocking rod (10) is fixedly connected to a rubber hammer head (11), a mounting plate (12) is threadedly sleeved on the rod wall of the first screw rod (7), a hydraulic cylinder (13) is fixedly arranged on the upper surface of the mounting plate (12), and the output end of the hydraulic cylinder (13) passes through the mounting plate (12) and is fixedly connected to the upper mold (2).

2. A stamping die for powder metallurgy parts according to claim 1, characterized in that: A second screw rod (14) is rotatably arranged between the bottom plate (1) and the top plate (5), the second screw rod (14) being threadedly sleeved with the mounting plate (12), the upper ends of the first screw rod (7) and the second screw rod (14) both pass through the top plate (5) and are respectively fixedly connected with gears (15), and a chain (16) is meshed and wound around the two gears (15).

3. The stamping die for powder metallurgy parts according to claim 1, characterized in that: A baffle (17) is fixedly sleeved on the rod wall of the knocking rod (10), and a spring (18) movably sleeved on the rod wall of the knocking rod (10) is fixedly connected between the baffle (17) and the fixed plate (9).

4. The stamping die for powder metallurgy parts according to claim 1, characterized in that: A ball (19) is rotatably provided at one end of the knocking rod (10), and the ball (19) is in contact with and connected to the side of the cam (8).

5. The stamping die for powder metallurgy parts according to claim 1, characterized in that: Four L-shaped plates (20) are fixedly arranged on the upper surface of the bottom plate (1), and the lower mold (3) is inserted between the four L-shaped plates (20).

6. The stamping die for powder metallurgy parts according to claim 1, characterized in that: Two U-shaped handles (21) are symmetrically fixedly arranged on the side wall of the lower mold (3).

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