Die frame guide structure of aluminum alloy wheel die

Abstract

The utility model belongs to the technical field of wheel manufacturing, and particularly relates to an aluminum alloy wheel mold frame guide structure which comprises a base and an upper mold plate, guide assemblies are arranged at the four corners of the base respectively, the base and the upper mold plate are in vertical sliding fit through the four guide assemblies, and each guide assembly comprises a guide disc assembly and a guide pin. The guide pin is installed on the base, the guide disc assembly is installed on the upper die plate, and the guide disc assembly and the guide pin are correspondingly arranged. The guide disc assembly is provided with runway type guide grooves, the guide pin is provided with a runway type pin body, and the left side wall and the right side wall of the runway type pin body make contact with the inner walls of the corresponding runway type guide grooves respectively. Expansion gaps are formed between the front end and the rear end of the runway type pin body and the inner walls of the corresponding runway type guide grooves. According to the device, the runway type pin body and the runway type guide groove are in surface contact, so that the contact area is larger, and the problem that the guide precision is reduced due to abrasion can be effectively avoided.

Description

Technical Field

[0001] The utility model belongs to the technical field of wheel manufacturing, and in particular relates to a guide structure of a die frame of an aluminum alloy wheel mold. Background Art

[0002] During the wheel manufacturing process, the template requires guidance as it moves up and down. This is achieved through the coordination of guide pins on the base and guide holes in the template. Traditional guide structures use cylindrical guide pins and elliptical guide holes, resulting in linear contact between the pins and holes. This small contact area is prone to wear at the contact point, leading to reduced guidance accuracy. Therefore, a guide structure for an aluminum alloy wheel mold base is urgently needed to address this issue. Utility Model Content

[0003] The purpose of the utility model is to provide a guide structure for an aluminum alloy wheel mold frame to solve the above problems.

[0004] To achieve the above purpose, the present invention provides the following solutions:

[0005] A guide structure for an aluminum alloy wheel mold frame, comprising a base and an upper mold plate, wherein the four corners of the base are respectively provided with guide assemblies, the base and the upper mold plate are vertically slidably engaged via the four guide assemblies, the guide assembly comprising a guide plate assembly and a guide pin, the guide pin being mounted on the base, the guide plate assembly being mounted on the upper mold plate, and the guide plate assembly and the guide pin being correspondingly arranged;

[0006] The guide plate assembly is provided with a runway-shaped guide groove, and the guide pin is provided with a runway-shaped pin body, and the left and right side walls of the runway-shaped pin body are respectively in contact with the inner walls of the corresponding runway-shaped guide groove;

[0007] Expansion joints are provided between the front and rear ends of the racetrack-shaped pin body and the corresponding inner walls of the racetrack-shaped guide groove.

[0008] Preferably, the guide disc assembly also includes an upper disc, the bottom axis of the upper disc is connected to a lower cylinder, the diameter of the lower cylinder is smaller than the diameter of the upper disc, and the runway-shaped guide groove is set through the upper disc and the lower cylinder; the upper disc and the lower cylinder are embedded in the upper template.

[0009] Preferably, the upper disc is provided with a plurality of circumferentially arranged bolt holes, bolts are provided in the bolt holes, the corners of the upper template are provided with slots for accommodating the upper disc and the lower cylinder, and the upper disc is fixed to the upper template by the bolts.

[0010] Preferably, the top end of the runway-shaped pin body is provided with an inwardly contracting slope, and the slope smoothly transitions to the side wall of the runway-shaped pin body.

[0011] Preferably, the top end of the runway-shaped pin body is provided with an opening extending horizontally therethrough.

[0012] Preferably, the bottom end of the runway-shaped pin body is fixedly connected to the top of the support assembly, and the bottom of the support assembly is fixedly connected to the base.

[0013] Preferably, the support assembly includes a support leg, the bottom end of the support leg is fixed to the base, and the top end of the support leg is fixed to the bottom of the runway-shaped pin body;

[0014] The side walls of the supporting legs are fixed with sliding grooves for the horizontal sliding of the side molds.

[0015] Compared with the prior art, the present invention has the following advantages and technical effects:

[0016] When in use, the cross-sections of the runway-shaped guide groove and the runway-shaped pin body are both set to a runway shape, so that when the runway-shaped pin body is inserted into the runway-shaped guide groove, the left and right side walls of the runway-shaped pin body are in surface contact with the corresponding side walls of the runway-shaped guide groove. Compared with traditional line contact, surface contact has a larger contact area, which can effectively avoid the problem of reduced guiding accuracy caused by wear. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without inventive work:

[0018] Figure 1 This is a schematic diagram of the structure of the utility model;

[0019] Figure 2 This is a schematic diagram of the support assembly and guide pin structure of the utility model;

[0020] Figure 3 This is a schematic structural diagram of the guide disc assembly of the utility model;

[0021] Figure 4 This is a cross-sectional view of the guide disc assembly structure of the utility model;

[0022] Among them, 1. base; 2. upper template; 3. support assembly; 4. guide plate assembly; 5. guide pin; 301. support leg; 302. slide groove; 401. upper disc; 402. lower cylinder; 403. runway-shaped guide groove; 404. bolt; 405. bolt hole; 501. runway-shaped pin body; 502. opening. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0024] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the present invention is further described in detail below with reference to the accompanying drawings and specific implementation methods.

[0025] Reference Figures 1 to 4 The utility model discloses a guide structure of an aluminum alloy wheel mold frame, comprising a base 1 and an upper mold plate 2. The four corners of the base 1 are respectively provided with guide assemblies. The base 1 and the upper mold plate 2 are vertically slidably matched through the four guide assemblies. The guide assembly comprises a guide plate assembly 4 and a guide pin 5. The guide pin 5 is mounted on the base 1, and the guide plate assembly 4 is mounted on the upper mold plate 2. The guide plate assembly 4 and the guide pin 5 are correspondingly arranged.

[0026] The guide plate assembly 4 is provided with a racetrack-shaped guide groove 403, and the guide pin 5 is provided with a racetrack-shaped pin body 501. The left and right side walls of the racetrack-shaped pin body 501 are respectively in contact with the inner walls of the corresponding racetrack-shaped guide groove 403;

[0027] Expansion joints are provided between the front and rear ends of the racetrack-shaped pin body 501 and the inner walls of the corresponding racetrack-shaped guide groove 403 .

[0028] When in use, the cross-sections of the runway-shaped guide groove 403 and the runway-shaped pin body 501 are both set to a runway shape, so that when the runway-shaped pin body 501 is inserted into the runway-shaped guide groove 403, the left and right side walls of the runway-shaped pin body 501 are in surface contact with the corresponding side walls of the runway-shaped guide groove 403. Compared with traditional line contact, surface contact has a larger contact area, which can effectively avoid the problem of reduced guiding accuracy caused by wear.

[0029] To further optimize the solution, the guide disc assembly 4 also includes an upper disc 401, the bottom axis of the upper disc 401 is connected to a lower cylinder 402, the diameter of the lower cylinder 402 is smaller than the diameter of the upper disc 401, and a runway-shaped guide groove 403 is set through the upper disc 401 and the lower cylinder 402; the upper disc 401 and the lower cylinder 402 are embedded in the upper template 2.

[0030] To further optimize the solution, a plurality of circumferentially arranged bolt holes 405 are provided on the upper disc 401, bolts 404 are provided in the bolt holes 405, and slots for accommodating the upper disc 401 and the lower cylinder 402 are provided at the corners of the upper template 2, and the upper disc 401 is fixed to the upper template 2 by bolts 404.

[0031] A slot is opened at the corner of the upper template 2 to accommodate the upper disc 401 and the lower cylinder 402. The upper disc 401 and the lower cylinder 402 are placed in the slot, and the upper disc 401 is fixed to the upper template 2 by bolts 404. This arrangement makes it easy to replace different upper templates 2.

[0032] As a further optimization solution, the top of the runway-shaped pin body 501 is provided with an inwardly contracting slope, and the slope transitions smoothly to the side wall of the runway-shaped pin body 501 .

[0033] The inwardly contracted sloped surface provided on the top of the runway-shaped pin body 501 facilitates alignment with the runway-shaped guide groove 403 , making it easier for the runway-shaped pin body 501 to be inserted into the runway-shaped guide groove 403 .

[0034] As a further optimization solution, a horizontally penetrating opening 502 is provided at the top of the runway-shaped pin body 501 .

[0035] The opening 502 formed on the top of the runway-shaped pin body 501 can be conveniently connected to a lifting device. After the lifting device is connected to the opening 502 of each guide pin 5 fixed on the base 1, it can be conveniently lifted and moved.

[0036] According to a further optimized solution, the bottom end of the runway-shaped pin body 501 is fixedly connected to the top of the support assembly 3 , and the bottom of the support assembly 3 is fixedly connected to the base 1 .

[0037] Further optimizing the solution, the support assembly 3 includes a support leg 301, the bottom end of the support leg 301 is fixed to the base 1, and the top of the support leg 301 is fixed to the bottom of the runway-shaped pin body 501;

[0038] The side wall of the support leg 301 is fixed with a sliding groove 302 for horizontal sliding of the side mold.

[0039] In the description of the present invention, it should be understood that the terms "longitudinal", "transverse", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the accompanying drawings, and are only for the convenience of describing the present invention, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, they should not be understood as limitations on the present invention.

[0040] The embodiments described above are merely preferred embodiments of the present invention and are not intended to limit the scope of the present invention. Without departing from the spirit of the present invention, various modifications and improvements to the technical solutions of the present invention made by ordinary technicians in this field should fall within the scope of protection determined by the claims of the present invention.

Claims

1. A guide structure for an aluminum alloy wheel mold frame, comprising a base (1) and an upper mold plate (2), wherein the four corners of the base (1) are respectively provided with guide assemblies, and the base (1) and the upper mold plate (2) are vertically slidably engaged through the four guide assemblies, characterized in that: The guide assembly comprises a guide plate assembly (4) and a guide pin (5), wherein the guide pin (5) is mounted on the base (1), and the guide plate assembly (4) is mounted on the upper template (2), and the guide plate assembly (4) and the guide pin (5) are arranged correspondingly; The guide plate assembly (4) is provided with a runway-shaped guide groove (403), and the guide pin (5) is provided with a runway-shaped pin body (501), and the left and right side walls of the runway-shaped pin body (501) are respectively in contact with the inner walls of the corresponding runway-shaped guide groove (403); Expansion joints are provided between the front and rear ends of the racetrack-shaped pin body (501) and the inner walls of the corresponding racetrack-shaped guide grooves (403).

2. The aluminum alloy wheel mold base guide structure according to claim 1, characterized in that: The guide disc assembly (4) further comprises an upper disc (401), the bottom of the upper disc (401) being axially connected to a lower cylinder (402), the diameter of the lower cylinder (402) being smaller than the diameter of the upper disc (401), and the runway-shaped guide groove (403) being arranged through the upper disc (401) and the lower cylinder (402); the upper disc (401) and the lower cylinder (402) being embedded in the upper template (2).

3. The aluminum alloy wheel mold base guide structure according to claim 2, characterized in that: The upper disc (401) is provided with a plurality of circumferentially arranged bolt holes (405), and bolts (404) are arranged in the bolt holes (405). The corners of the upper template (2) are provided with slots for accommodating the upper disc (401) and the lower cylinder (402), and the upper disc (401) is fixedly connected to the upper template (2) via the bolts (404).

4. The aluminum alloy wheel mold mold frame guide structure according to claim 1, characterized in that: The top end of the runway-shaped pin body (501) is provided with an inwardly contracted slope, and the slope smoothly transitions to the side wall of the runway-shaped pin body (501).

5. The aluminum alloy wheel mold mold frame guide structure according to claim 4, characterized in that: The top end of the runway-shaped pin body (501) is provided with an opening (502) extending horizontally therethrough.

6. The aluminum alloy wheel mold mold frame guide structure according to claim 1, characterized in that: The bottom end of the runway-shaped pin body (501) is fixedly connected to the top of the support assembly (3), and the bottom of the support assembly (3) is fixedly connected to the base (1).

7. The aluminum alloy wheel mold mold frame guide structure according to claim 6, characterized in that: The support assembly (3) comprises a support leg (301), the bottom end of the support leg (301) is fixedly connected to the base (1), and the top of the support leg (301) is fixedly connected to the bottom of the runway-shaped pin body (501); The side wall of the support leg (301) is fixedly connected with a sliding groove (302) for horizontal sliding of the side mold.

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