Die for machining powder metallurgy spiral bevel gear

Abstract

The utility model relates to the technical field of powder metallurgy gear machining, and provides a powder metallurgy spiral bevel gear machining die which comprises a base, a machining table is fixedly connected to the top of the base, a lower die is fixedly connected to the top of the machining table, and supporting rods fixedly connected with the machining table are arranged on the two sides of the lower die. The surface of the supporting rod is fixedly connected with a top plate, the bottom of the top plate is fixedly connected with an air cylinder, the output end of the air cylinder is fixedly connected with an upper die, the two sides of the lower die are fixedly connected with springs fixedly connected with the machining table, and the left side of the lower die is fixedly connected with a stress block located below the springs. The transmission block is arranged, when the transmission block pushes the stress block, the transmission block can drive the lower die to slide along the top of the machining table, once the transmission block is separated from the stress block, the lower die can shake left and right along the top of the machining table under the action of the spring at the moment, and therefore powder in the lower die can be evenly shaken.

Description

Technical Field

[0001] The utility model relates to the technical field of powder metallurgy gear processing, in particular to a mold for powder metallurgy spiral bevel gear processing. Background Art

[0002] Powder metallurgy gears are difficult to count separately in the entire powder metallurgy parts, but whether by weight or by the number of parts, the proportion of powder metallurgy gears in various machinery, automobiles, and motorcycles is far greater than that of powder metallurgy parts in other fields. Powder metallurgy is a process technology that produces metal powder or uses metal powder or mixture as raw material, and then forms and sinters it to manufacture metal materials, composite materials and various types of products.

[0003] After searching, the existing patent (Announcement No.: 202320149353.2) discloses a mold for powder metallurgy spiral bevel gear processing, including a base, a cleaning assembly is arranged on the top of the base, and the cleaning assembly includes a collecting box, a suction pipe, a material pump, an exhaust pipe, a limit groove, a limit frame and a filter screen, the top of the base is fixedly connected to a mounting frame, and a hydraulic cylinder is welded on the top of the mounting frame. The forming mold of the powder metallurgy spiral bevel gear is provided with a base, a cleaning assembly, a collecting box, a suction pipe, a material pump, an exhaust pipe, a limit groove, a limit frame and a filter screen. When the forming gear in the mold cavity is taken out, the material pump can be started, and the metallurgical powder remaining in the mold cavity and adhering to the inner wall of the lower mold can be collected by holding the suction pipe, and the metallurgical powder is transported to the filter screen in the collection box for storage by the suction pipe, so that the excess powder in the molding cavity can be cleaned conveniently, thereby reducing the difficulty of people cleaning the powder, and can well meet people's daily use needs.

[0004] However, in the above scheme, when the powder is placed inside the mold cavity, if uneven distribution occurs, this will affect the processing of the gear, may cause the gear surface to be uneven, and may even be prone to breakage.

[0005] In view of this, the utility model proposes a mold for processing powder metallurgy spiral bevel gears. Utility Model Content

[0006] The utility model provides a mold for processing powder metallurgy spiral bevel gears, which solves the problem in the related art that when powder is placed in a mold cavity, if uneven distribution occurs, this will affect the processing of the gear, may cause the gear surface to be uneven, and may even be prone to breakage.

[0007] The technical solution of the utility model is as follows: a mold for powder metallurgy spiral bevel gear processing, comprising a base, the top of the base is fixedly connected to a processing table, the top of the processing table is fixedly connected to a lower mold, both sides of the lower mold are provided with support rods fixedly connected to the processing table, the surface of the support rod is fixedly connected to a top plate, the bottom of the top plate is fixedly connected to a cylinder, the output end of the cylinder is fixedly connected to an upper mold, both sides of the lower mold are fixedly connected to a spring fixedly connected to the processing table, the left side of the lower mold is fixedly connected to a force-bearing block located below the spring, one side of the force-bearing block is fitted with a transmission block, the surface of the transmission block is fixedly connected to an electric push rod fixedly connected to the processing table, one side of the electric push rod is provided with a threaded rod rotatably connected to the processing table, the surface of the threaded rod is threadedly connected to a slide plate slidably connected to the processing table, and one side of the slide plate is fixedly connected to a clamping block.

[0008] Preferably, dampers are fixedly connected to the four side surfaces of the processing table, the tails of the four groups of dampers are fixedly connected to connecting plates fixedly connected to the base, the back of the base is fixedly connected to a support plate, the top of the support plate is fixedly connected to a magnetic absorber, and the top of the lower mold is slidably connected to a baffle that fits the magnetic absorber.

[0009] Preferably, the contact surfaces of the transmission block and the force-bearing block are both inclined surfaces, and the force-bearing block drives the lower mold through the transmission block to form a sliding structure.

[0010] Preferably, the lower mold forms a rocking structure through a spring.

[0011] Preferably, a clamping groove located on the moving track of the clamping block is opened inside the lower mold, and the lower mold forms a fixed structure through the clamping block.

[0012] Preferably, the size of the baffle plate matches the size of the lower mold, and the lower mold forms a closed structure through the baffle plate.

[0013] Preferably, the baffle is an iron plate, and the baffle forms a fixed structure through magnetic attraction.

[0014] Preferably, the damper is perpendicular to the processing table, and the damper forms a telescopic structure through the processing table.

[0015] The working principle and beneficial effects of the utility model are:

[0016] 1. In the utility model, a transmission block is provided. When the transmission block pushes the force block, the lower die will be driven to slide along the top of the processing table. Once the transmission block is separated from the force block, the lower die will swing left and right along the top of the processing table under the action of the spring, so as to shake the powder inside evenly.

[0017] 2. The baffle provided in the utility model can make the lower mold into a closed state when the baffle is closed, so as to prevent dust from falling into the lower mold. Moreover, under the action of multiple groups of dampers, the shaking amplitude of the equipment can be reduced, so as to improve the stability of the equipment when working. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The utility model is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0019] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0020] Figure 2 This is a schematic diagram of the three-dimensional structure of the utility model from another perspective;

[0021] Figure 3 This is a schematic diagram of the transmission block structure of the utility model;

[0022] Figure 4 This is a schematic diagram of the lower mold structure of the utility model;

[0023] Figure 5 This is a schematic diagram of the baffle structure of the utility model.

[0024] In the figure: 1. base; 2. processing table; 3. lower die; 4. support rod; 5. top plate; 6. cylinder; 7. upper die; 8. spring; 9. force block; 10. transmission block; 11. electric push rod; 12. threaded rod; 13. slide plate; 14. clamping block; 15. connecting plate; 16. support plate; 17. magnetic absorber; 18. baffle; 19. damper. DETAILED DESCRIPTION

[0025] The following will be combined with the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] Example 1

[0027] The utility model provides a mold for processing powder metallurgy spiral bevel gears, comprising a base 1, a processing table 2 is fixedly connected to the top of the base 1, a lower mold 3 is fixedly connected to the top of the processing table 2, support rods 4 fixedly connected to the processing table 2 are arranged on both sides of the lower mold 3, a top plate 5 is fixedly connected to the surface of the support rod 4, a cylinder 6 is fixedly connected to the bottom of the top plate 5, an upper mold 7 is fixedly connected to the output end of the cylinder 6, springs 8 fixedly connected to the processing table 2 are fixedly connected to both sides of the lower mold 3, a force-bearing block 9 located below the spring 8 is fixedly connected to the left side of the lower mold 3, a transmission block 10 is fitted to one side of the force-bearing block 9, an electric push rod 11 fixedly connected to the processing table 2 is fixedly connected to the surface of the transmission block 10, a threaded rod 12 rotatably connected to the processing table 2 is arranged on one side of the electric push rod 11, a slide plate 13 slidably connected to the processing table 2 is threadedly connected to the surface of the threaded rod 12, and a clamping block 14 is fixedly connected to one side of the slide plate 13.

[0028] In this embodiment, the fitting surfaces of the transmission block 10 and the force block 9 are both inclined surfaces. The force block 9 drives the lower mold 3 through the transmission block 10 to form a sliding structure. When the transmission block 10 moves, it will push the force block 9 and the lower mold 3 to move to the right along the top of the processing table 2 through its own inclined surface.

[0029] In this embodiment, the lower mold 3 forms a shaking structure through the spring 8. When the transmission block 10 is out of contact with the force block 9, the force block 9 loses its thrust, and then under the action of the spring 8, it forms a left and right shaking state along the top of the processing table 2, so that the powder inside the lower mold 3 is shaken evenly.

[0030] In this embodiment, a slot is opened inside the lower mold 3 and is located on the movement trajectory of the clamping block 14. The lower mold 3 is fixed by the clamping block 14. The rotation of the threaded rod 12 will drive the slide plate 13 to approach the lower mold 3 and clamp the clamping block 14 into the slot inside the lower mold 3, so as to fix the lower mold 3.

[0031] Example 2

[0032] On the basis of Example 1, a preferred embodiment of a powder metallurgy spiral bevel gear processing mold provided by the utility model is as follows Figures 1 to 5 As shown: dampers 19 are fixedly connected to the four side surfaces of the processing table 2, the tails of the four groups of dampers 19 are fixedly connected to connecting plates 15 fixedly connected to the base 1, the back of the base 1 is fixedly connected to a support plate 16, the top of the support plate 16 is fixedly connected to a magnetic absorber 17, and the top of the lower mold 3 is slidably connected to a baffle 18 that fits the magnetic absorber 17.

[0033] In this embodiment, the size of the baffle 18 matches the size of the lower mold 3. The lower mold 3 forms a closed structure through the baffle 18. When the top of the lower mold 3 is closed by the baffle 18, dust and impurities can be effectively prevented from entering the interior of the lower mold 3.

[0034] In this embodiment, the baffle 18 is an iron plate, and the baffle 18 forms a fixed structure through the magnetic iron 17. When the baffle 18 contacts the magnetic iron 17, the magnetic iron 17 will adsorb it to fix the baffle 18 and prevent the baffle 18 from moving when the device is working.

[0035] In this embodiment, the damper 19 is perpendicular to the processing table 2, and the damper 19 forms a telescopic structure through the processing table 2. Under the action of multiple groups of dampers 19, the force exerted on the processing table 2 can be alleviated, thereby improving the stability of the equipment during operation.

[0036] The working principle and use process of the utility model are as follows: first, after the powder is put into the lower mold 3, the electric push rod 11 can be turned on to push the transmission block 10. When the transmission block 10 moves, it will push the force block 9 and the lower mold 3 to move to the right along the top of the processing table 2 through its own inclined surface. When the transmission block 10 is out of contact with the force block 9, the force block 9 loses its thrust, and then under the action of the spring 8, it forms a left and right shaking state along the top of the processing table 2, so that the powder inside itself can be shaken evenly through the shaking of the lower mold 3, and then the threaded rod 12 can be rotated. The rotation of the threaded rod 12 will drive the slide plate 13 to approach the lower mold 3, and the card block 14 is stuck in the card slot inside the lower mold 3, so as to fix the lower mold 3, and then the cylinder 6 is used to control the upper mold 7 to descend, and the material can be processed.

[0037] By setting the baffle 18, when the baffle 18 contacts the magnetic attractor 17, the magnetic attractor 17 will adsorb it, so as to fix the baffle 18 and prevent the baffle 18 from shifting when the equipment is working. When the top of the lower mold 3 is closed by the baffle 18, dust and impurities can be effectively prevented from entering the interior of the lower mold 3. Under the action of multiple groups of dampers 19, the force on the processing table 2 can be alleviated, so as to improve the stability of the equipment when it is working.

[0038] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A powder metallurgy spiral bevel gear processing die, comprising a base (1), characterized in that: The top of the base (1) is fixedly connected to a processing table (2), the top of the processing table (2) is fixedly connected to a lower mold (3), both sides of the lower mold (3) are provided with support rods (4) fixedly connected to the processing table (2), the surface of the support rods (4) is fixedly connected to a top plate (5), the bottom of the top plate (5) is fixedly connected to a cylinder (6), the output end of the cylinder (6) is fixedly connected to an upper mold (7), both sides of the lower mold (3) are fixedly connected to springs (8) fixedly connected to the processing table (2), the lower mold ( The left side of the processing unit (3) is fixedly connected to a force-bearing block (9) located below the spring (8), one side of the force-bearing block (9) is fitted with a transmission block (10), the surface of the transmission block (10) is fixedly connected to an electric push rod (11) fixedly connected to the processing table (2), one side of the electric push rod (11) is provided with a threaded rod (12) rotatably connected to the processing table (2), the surface of the threaded rod (12) is threadedly connected to a slide plate (13) slidably connected to the processing table (2), and one side of the slide plate (13) is fixedly connected to a clamping block (14).

2. A powder metallurgy spiral bevel gear processing die according to claim 1, characterized in that: The four side surfaces of the processing table (2) are fixedly connected with dampers (19), the tails of the four groups of dampers (19) are fixedly connected with connecting plates (15) fixedly connected with the base (1), the back of the base (1) is fixedly connected with a support plate (16), the top of the support plate (16) is fixedly connected with a magnetic magnet (17), and the top of the lower mold (3) is slidably connected with a baffle (18) that fits the magnetic magnet (17).

3. The mold for processing powder metallurgy spiral bevel gears according to claim 1, characterized in that: The contact surfaces of the transmission block (10) and the force-bearing block (9) are both inclined surfaces, and the force-bearing block (9) drives the lower mold (3) through the transmission block (10) to form a sliding structure.

4. The mold for processing powder metallurgy spiral bevel gears according to claim 1, characterized in that: The lower mold (3) forms a shaking structure through a spring (8).

5. The mold for processing powder metallurgy spiral bevel gears according to claim 1, characterized in that: A clamping groove located on the movement track of the clamping block (14) is provided inside the lower mold (3), and the lower mold (3) forms a fixed structure through the clamping block (14).

6. A powder metallurgy spiral bevel gear processing die according to claim 2, characterized in that: The size of the baffle (18) matches the size of the lower mold (3), and the lower mold (3) forms a closed structure through the baffle (18).

7. The powder metallurgy spiral bevel gear processing die according to claim 2, characterized in that: The baffle (18) is an iron plate, and the baffle (18) forms a fixed structure through a magnetic iron (17).

8. The powder metallurgy spiral bevel gear processing die according to claim 2, characterized in that: The damper (19) is perpendicular to the processing table (2), and the damper (19) forms a telescopic structure through the processing table (2).

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