Powder metallurgy automobile charging port cam gear part assembling jig

Abstract

The utility model belongs to the technical field of assembly jigs, and particularly discloses a powder metallurgy automobile charging port cam gear part assembly jig which comprises a lower die cushion plate, a set of identical lower die cushion blocks are arranged on the two opposite sides of the upper end of the lower die cushion plate, and a lower die shovel machine fixing plate is installed at the upper ends of the two lower die cushion blocks. A lower die plate is installed at the upper end of the lower die shoveling machine fixing plate, a set of clamping grooves are oppositely formed in the two ends of the lower die plate, shoveling machines are embedded in the clamping grooves, an installation base is arranged in the center of the lower die plate, and a cam is embedded in the installation base in a clamped mode. An upper die punch fixing plate is arranged at the lower end of the upper die base plate, a set of pull rods and guide columns are installed at the end corners of the upper die punch fixing plate respectively, an upper die plate is installed at the lower ends of the pull rods and the guide columns, a movable groove is formed in the lower end of the upper die plate, and a set of sliding blocks are oppositely installed at the two ends of the movable groove. A reset spring is arranged at the end, close to the peripheral wall of the upper die plate, of the sliding block, and the other end of the reset spring is fixed to the upper die sliding block limiting block.

Description

Technical Field

[0001] The utility model relates to the technical field of assembly jigs, in particular to an assembly jig for powder metallurgy automotive charging port cam gear parts. Background Technique

[0002] MIM (Metal Injection Molding) technology is an advanced manufacturing technology that combines the process flexibility of plastic injection molding and the material property advantages of traditional powder metallurgy technology. In the field of automotive part manufacturing, MIM technology is widely used because it can produce parts with complex shapes, high precision, and high performance.

[0003] Especially for parts such as cams and gears in the charging port electric hatch structure of new energy vehicles, due to performance requirements, the cams and gears need to be press-fitted with interference. Manual press-fitting assembly is time-consuming and laborious. Therefore, it is necessary to design an assembly tooling for cams and dimensions. While meeting the mass assembly requirements of enterprises, it also needs to be economical and reliable. Most of the current assembly operations adopt manual assembly schemes, with low efficiency and high fatigue in manual operations. Content of the Utility Model

[0004] The purpose of the utility model is to provide an assembly jig for powder metallurgy automotive charging port cam gear parts to solve the problems raised in the above background technique.

[0005] To achieve the above purpose, the utility model provides the following technical scheme: An assembly jig for powder metallurgy automotive charging port cam gear parts, including a lower die backing plate. A set of identical lower die pads are arranged on the upper ends of the opposite sides of the lower die backing plate. A lower die lifter fixing plate is installed on the upper ends of the two lower die pads. A lower template is installed on the upper end of the lower die lifter fixing plate. A set of clamping grooves are arranged opposite to each other at both ends of the lower template. Lifters are embedded in the clamping grooves. An inclined surface is arranged at the top of the side wall of the lifter adjacent to the outer peripheral wall of the lower template. The inclined surfaces of the lifters on both sides face each other. An installation seat is arranged in the center of the lower template, and a cam is clamped in the installation seat. It also includes an upper die backing plate. An upper die punch fixing plate is arranged at the lower end of the upper die backing plate. A set of tie rods and guide columns are respectively installed at the upper end corners of the upper die punch fixing plate. The tie rods and the guide columns are arranged at an oblique angle corresponding to each other. The lower ends of the tie rods and the guide columns are installed with an upper template. An activity groove is opened at the lower end of the upper template. A set of sliders are installed opposite to each other at both ends of the activity groove. A reset spring is arranged at one end of the slider adjacent to the outer peripheral wall of the upper template. The other end of the reset spring is fixed on the upper die slider limit block. The upper die slider limit block is fixed on the outer side wall of the upper template by screws.

[0006] Preferably, vertical through holes are provided at corresponding positions on the lower die backing plate and the lower die spacer block. Screws are installed in the through holes to assemble and fix the lower die backing plate and the lower die spacer block. Similarly, vertical through holes are provided at corresponding positions on the upper die backing plate and the upper die punch fixing plate. Screws are installed in the through holes to assemble and fix the upper die backing plate and the upper die punch fixing plate.

[0007] Preferably, a punch is embedded in the center of the upper die punch fixing plate, and the lower end of the punch extends out of the bottom surface of the upper die punch fixing plate.

[0008] Preferably, a vertical first moving groove is provided through the slider, and a second moving groove is provided at a position corresponding to the first moving groove on the upper template.

[0009] Preferably, a profiling positioning groove is provided at the center of the upper template, and a gear is placed in the profiling positioning groove.

[0010] Preferably, vertical moving holes are provided at the positions corresponding to the pull rods and guide columns on the upper template, the lower template and the lower die shoveling machine fixing plate.

[0011] Compared with the prior art, the beneficial effects of the present utility model are as follows: The present utility model realizes the riveting assembly of the cam and dimensions through a jig and a hydraulic press, with higher assembly precision, can stabilize the pressing force, the assembled cam gear is more firm and reliable, meets the requirements of mass assembly production, effectively reduces the labor intensity of operators, improves the production capacity, and enhances the competitiveness of the enterprise. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 is a schematic structural diagram of the whole of the present utility model;

[0013] Figure 2 is an exploded view of the present utility model;

[0014] Figure 3 is a schematic structural diagram after the whole of the present utility model is assembled.

[0015] In the figure: 1. upper die backing plate; 2. upper die punch fixing plate; 3. punch; 4. upper template; 401. moving groove; 402. profiling positioning groove; 403. second moving groove; 5. upper die slider limiting block; 6. gear; 7. return spring; 8. slider; 801. first moving groove; 9. cam; 10. lower template; 1001. clamping groove; 1002. mounting seat; 11. lower die shoveling machine fixing plate; 12. lower die spacer block; 13. lower die backing plate; 14. shoveling machine; 15. pull rod; 16. guide column; 17. moving hole. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0016] The following will clearly and completely describe the technical solutions in the embodiments of the present utility model in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0017] In the description of the present utility model, it should be noted that the orientation or positional relationship indicated by the terms "vertical", "upper", "lower", "horizontal", etc. is based on the orientation or positional relationship shown in the accompanying drawings. It is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as a limitation to the present utility model.

[0018] In the description of the present utility model, it should also be noted that unless otherwise clearly specified and limited, the terms "set", "installed", "connected", "connected" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected, or indirectly connected through an intermediate medium, and it can be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0019] Please refer to Figures 1-3 , the present utility model provides a technical solution: a powder metallurgy automotive charging port cam gear part assembly jig, including a lower die backing plate 13. A set of identical lower die pads 12 are arranged on the upper ends of the opposite sides of the lower die backing plate 13. A lower die lifter fixing plate 11 is installed on the upper ends of the two lower die pads 12. A lower template 10 is installed on the upper end of the lower die lifter fixing plate 11. A set of clamping grooves 1001 are arranged opposite to each other at both ends of the lower template 10. A lifter 14 is embedded in the clamping grooves 1001. An inclined surface is arranged at the top of the side wall of the lifter 14 adjacent to the outer peripheral wall of the lower template 10. The inclined surfaces of the two lifters 14 face each other. An installation seat 1002 is arranged at the center of the lower template 10, and a cam 9 is clamped in the installation seat 1002; it also includes an upper die backing plate 1. An upper die punch fixing plate 2 is arranged at the lower end of the upper die backing plate 1. A set of tie rods 15 and guide columns 16 are respectively installed at the end corners of the upper die punch fixing plate 2. The tie rods 15 and the guide columns 16 are arranged at an oblique angle corresponding to each other. The lower ends of the tie rods 15 and the guide columns 16 are installed with an upper template 4. An activity groove 401 is opened at the lower end of the upper template 4. A set of sliders 8 are installed opposite to each other at both ends of the activity groove 401. A return spring 7 is arranged at one end of the slider 8 adjacent to the outer peripheral wall of the upper template 4. The other end of the return spring 7 is fixed on the upper die slider limit block 5. The upper die slider limit block 5 is fixed on the outer side wall of the upper template 4 by screws.

[0020] Further, vertical through holes are provided at corresponding positions on the lower die backing plate 13 and the lower die spacer block 12, and screws are installed in the through holes to assemble and fix the lower die backing plate 13 and the lower die spacer block 12. Similarly, vertical through holes are provided at corresponding positions on the upper die backing plate 1 and the upper die punch fixing plate 2, and screws are installed in the through holes to assemble and fix the upper die backing plate 1 and the upper die punch fixing plate 2.

[0021] Further, a punch 3 is embedded in the center of the upper die punch fixing plate 2, and the lower end of the punch 3 extends out of the bottom surface of the upper die punch fixing plate 2.

[0022] Further, a vertical first moving groove 801 is provided through the slider 8, and a second moving groove 403 is provided at a position corresponding to the first moving groove 801 on the upper template 4.

[0023] Further, a profiling positioning groove 402 is provided at the center of the upper template 4, and a gear 6 is placed in the profiling positioning groove 402.

[0024] Further, vertical moving holes 17 are provided through the upper template 4, the lower template 10, and the lower die lifter fixing plate 11 at the locations where the tie rods 15 and the guide columns 16 are located.

[0025] Working principle: The utility model provides a powder metallurgy automotive charging port cam gear part assembly jig, which includes a lower die backing plate 13. A set of identical lower die pads 12 are arranged on the opposite sides at the upper end of the lower die backing plate 13. A lower die lifter fixing plate 11 is installed at the upper ends of the two lower die pads 12. A lower template 10 is installed at the upper end of the lower die lifter fixing plate 11. A set of clamping grooves 1001 are arranged oppositely at both ends on the lower template 10. Lifters 14 are embedded in the clamping grooves 1001. An inclined surface is arranged at the top of the side wall of the lifter 14 adjacent to the outer peripheral wall of the lower template 10. The inclined surfaces of the two lifters 14 face each other. An installation seat 1002 is arranged at the center of the lower template 10, and a cam 9 is clamped in the installation seat 1002; It also includes an upper die backing plate 1. An upper die punch fixing plate 2 is arranged at the lower end of the upper die backing plate 1. A set of tie rods 15 and guide columns 16 are respectively installed at the end corners on the upper end of the upper die punch fixing plate 2. The tie rods 15 and the guide columns 16 are arranged at an oblique angle corresponding to each other. The lower ends of the tie rods 15 and the guide columns 16 are installed with an upper template 4. An activity groove 401 is opened at the lower end of the upper template 4. A set of sliders 8 are installed oppositely at both ends of the activity groove 401. A return spring 7 is arranged at one end of the slider 8 adjacent to the outer peripheral wall of the upper template 4. The other end of the return spring 7 is fixed on the upper die slider limit block 5. The upper die slider limit block 5 is fixed on the outer side wall of the upper template 4 by screws; During specific use, the jig is fixedly locked on the workbench of the hydraulic press. The upper workbench of the hydraulic press is lifted, and the jig is opened. The cam 9 is placed into the profiling positioning groove 402 of the lower template 10, and the gear 6 is placed into the profiling positioning groove 402 of the upper template 4. At this time, the sliders 8 are closed, blocking the gear 6 from falling out of the upper template 4. Then, the mold is pressed to close. During the downward movement, after the sliders 8 contact the lifters 14, the lifters 14 push the sliders 8 to move outward. The sliders 8 are gradually opened. When the lifters 14 are clamped into the first movement groove 801 and the second movement groove 403 and the two sliders 8 are opened to a certain distance, the gear 6 can fall through the gap between the two sliders 8. The punch 3 is pressed downward to slowly press the gear 6 into the assembly position of the cam 9 until the upper template 4 and the lower template 10 are completely fitted, and the gear 6 and the cam 9 are assembled in place. The mold closing action is completed. The upper workbench of the hydraulic press is lifted to open the mold, and the assembled cam 9 and dimensional components are taken out from the lower template 10. The return spring 7 pushes the sliders 8 to reset and close to the initial state, completing one cycle.

[0026] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principles and spirits of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A powder metallurgy automobile charging port cam gear parts assembly fixture, characterized by: The invention comprises a lower die pad (13), a group of identical lower die pads (12) are arranged on opposite sides of the upper end of the lower die pad (13), a lower die shovel fixing plate (11) is installed on the upper ends of the two lower die pads (12), a lower mold plate (10) is installed on the upper end of the lower mold shovel fixing plate (11), a group of clamping grooves (1001) are arranged oppositely at the two ends of the lower mold plate (10), a shovel (14) is embedded in the clamping groove (1001), an inclined surface is arranged at the top of the side wall of the shovel (14) adjacent to the outer peripheral wall of the lower mold plate (10), the inclined surfaces of the shovels (14) on both sides are arranged facing each other, a mounting seat (1002) is arranged at the center of the lower mold plate (10), and a cam (9) is embedded in the mounting seat (1002); and the invention also comprises an upper die pad. (1), an upper die punch fixing plate (2) is arranged at the lower end of the upper die pad (1), a group of pull rods (15) and guide pillars (16) are respectively installed at the end corners of the upper die punch fixing plate (2), the pull rods (15) and the guide pillars (16) are arranged at corresponding angles, an upper mold plate (4) is installed at the lower ends of the pull rods (15) and the guide pillars (16), a movable groove (401) is opened at the lower end of the upper mold plate (4), a group of sliders (8) are relatively installed at both ends of the movable groove (401), a reset spring (7) is arranged at one end of the slider (8) adjacent to the outer peripheral wall of the upper mold plate (4), the other end of the reset spring (7) is fixed on the upper die slider limit block (5), and the upper die slider limit block (5) is fixed on the outer side wall of the upper mold plate (4) by screws.

2. A powder metallurgy automobile charging port cam gear parts assembly fixture according to claim 1, characterized in that: Vertical through holes are arranged at corresponding positions on the lower die pad (13) and the lower die pad block (12), and screws are installed in the through holes to assemble and fix the lower die pad (13) and the lower die pad block (12). Similarly, vertical through holes are arranged at corresponding positions on the upper die pad (1) and the upper die punch fixing plate (2), and screws are installed in the through holes to assemble and fix the upper die pad (1) and the upper die punch fixing plate (2).

3. The powder metallurgy automobile charging port cam gear parts assembly fixture according to claim 1, characterized in that: A punch (3) is embedded in the center of the upper die punch fixing plate (2), and the lower end of the punch (3) extends out of the bottom surface of the upper die punch fixing plate (2).

4. The powder metallurgy automobile charging port cam gear parts assembly fixture according to claim 1, characterized in that: The sliding block (8) is provided with a vertical first moving groove (801) extending therethrough, and the upper template (4) is provided with a second moving groove (403) at a position corresponding to the first moving groove (801).

5. The powder metallurgy automobile charging port cam gear parts assembly fixture according to claim 1, characterized in that: A contoured positioning groove (402) is provided at the center of the upper template (4), and a gear (6) is placed in the contoured positioning groove (402).

6. The powder metallurgy automobile charging port cam gear parts assembly fixture according to claim 1, characterized in that: The upper mold plate (4), the lower mold plate (10) and the lower mold shovel machine fixing plate (11) are vertically provided with movable holes (17) penetrating therefrom at locations corresponding to the pull rods (15) and the guide pillars (16).

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