Tightening structure of injection mold for automobile parts

By designing a tight-fitting structure for injection molds of automotive parts, and using a ruler and a limiting device to determine the tightness of the mold, the problem of difficulty in determining the tightness after assembly is solved, and rapid and accurate assembly quality control is achieved.

CN223478177UActive Publication Date: 2025-10-28WUXI SOURCE CODE TECH CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202423052769.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-11
Publication Date
2025-10-28
Estimated Expiration
2034-12-11

AI Technical Summary

Technical Problem

After the injection molds for automotive parts are assembled, it is difficult to accurately judge the tightness, especially since errors caused by the presence of grease or impurities are difficult to observe directly.

Method used

A tight-fitting structure for an injection mold of automotive parts was designed, including components such as a scale, sliding sleeve, spring, threaded button, and rotation limit block. The tightness of the mold is judged by adjusting the height of the sliding sleeve and the limiting device, and the height deviation after assembly is displayed by a touch block and a reference rod.

Benefits of technology

It enables rapid and accurate determination of the tightness of injection molds, ensuring assembly quality and reducing the difficulty of error judgment.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223478177U_ABST
    Figure CN223478177U_ABST
Patent Text Reader

Abstract

The utility model discloses an automobile part injection mold fastening structure, which belongs to the technical field of automobile part injection mold assembling equipment, and comprises a tray, the rear part of the tray is fixedly connected with a graduated scale, a sliding sleeve is arranged on the graduated scale in a sliding manner, an elastic sheet is arranged in the sliding sleeve, the upper end of the elastic sheet is fixedly connected with the sliding sleeve, and the lower end of the elastic sheet is fixedly connected with the tray. The elastic piece is in contact with the graduated scale, a threaded seat is fixedly connected to the rear face of the sliding sleeve, a threaded button is installed in the threaded seat in a threaded mode, the threaded button is in contact with the elastic piece, a target mold is placed on a tray to be assembled, and after assembling is completed, the swing rod is turned over forwards and downwards, so that the touch block is in contact with the target mold; and then the reference rod is overturned forwards, the second rotation limiting block is used for limiting, when the height of the assembled target mold is too high, the touch block acts on the swing rod, the swing rod is made to be higher than the reference rod, it is indicated that the tightness of the assembled target mold does not reach the standard, and the tightness is conveniently judged.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] This utility model belongs to the technical field of automotive parts injection mold assembly equipment, and particularly relates to a tight-fitting structure for automotive parts injection molds. Background Technology

[0002] Molds are various molds and tools used in industrial production to obtain desired products through methods such as injection molding, blow molding, extrusion, die casting, forging, smelting, and stamping.

[0003] After assembly, injection molds used for automotive parts may not press down properly if there is too much grease, other impurities, or insufficient pressure inside. The error is difficult to observe with the naked eye, making it difficult to determine the tightness of the assembled injection molds for automotive parts.

[0004] To address this issue, we propose a tight-fitting structure for automotive component injection molds. Utility Model Content

[0005] The purpose of this invention is to solve the problem that it is difficult to distinguish the tightness of the injection mold after assembly of conventional automotive parts, and to propose a tight-fitting structure for automotive parts injection molds.

[0006] In order to achieve the above purpose, the present invention adopts the following technical solutions:

[0007] A fitting structure for an injection mold of automotive parts includes a tray. A scale is fixedly connected to the rear of the tray, and a sliding sleeve is slidably mounted on the scale. A spring is provided inside the sliding sleeve, and its upper end is fixedly connected to the sliding sleeve and contacts the scale. A threaded seat is fixedly connected to the rear of the sliding sleeve, and a threaded button is threaded inside the threaded seat, contacting the spring. A first rotation limit block and a fixed shaft are symmetrically fixedly connected to the side of the sliding sleeve. A swing rod is rotatably mounted on one fixed shaft, and a reference rod is rotatably mounted on the other fixed shaft. A contact block is fixedly connected to the swing rod. A second rotation limit block is fixedly connected to the front of the sliding sleeve. Loosening the threaded button releases the spring, which in turn releases the scale. The sliding sleeve can then be slid to adjust the height and set a reference height. The target mold is placed on the tray for assembly. After assembly, the swing rod is flipped forward and downward so that the contact block contacts the target mold. Then the reference rod is flipped forward and the second limit block is used to limit the movement. When the height of the target mold after assembly is too high, the contact block acts on the swing rod to make the swing rod higher than the reference rod, indicating that the tightness of the target mold after assembly is not up to standard, which makes it easy to judge the tightness.

[0008] Preferably, a positioning rail is fixedly connected to the tray. After the mold is placed on the tray, one corner of it is inserted into the positioning rail for easy and quick positioning.

[0009] Preferably, the ruler includes a ruler body, and a scale groove is formed at the front end of the ruler body. The scale groove is used to position the scale on the inside, preventing the scale from being worn by the sliding sleeve.

[0010] Preferably, the sliding sleeve includes a sleeve body, and an observation surface is provided at the lower part of the sleeve body. The observation surface reduces the obstruction of the line of sight by the sleeve body.

[0011] Preferably, the spring sheet includes a sheet body and a pressure block, with the pressure block fixedly connected to the lower part of the sheet body. The elastic force of the sheet body acts on the pressure block, which in turn acts on the ruler body, maintaining the basic frictional force between the spring sheet and the ruler body. Simultaneously, the sheet body prevents interference from the rotational bias force of the threaded button.

[0012] Preferably, the threaded button includes a bolt and a knob, with the bolt and knob fixedly connected. The knob increases the length of the turning lever, facilitating manual operation of the bolt rotation.

[0013] Preferably, the outer periphery of the knob is provided with anti-slip texture. The anti-slip texture increases the friction between the hand and the knob.

[0014] In summary, the technical effects and advantages of this utility model are as follows:

[0015] 1. Place the target mold on the tray for assembly. After assembly, flip the swing rod forward and downward so that the contact block contacts the target mold. Then flip the reference rod forward and use the second limit block to limit it. When the height of the target mold after assembly is too high, the contact block acts on the swing rod to make the swing rod higher than the reference rod, indicating that the tightness of the target mold after assembly is not up to standard, which makes it easy to judge the tightness.

[0016] 2. The elasticity of the sheet acts on the pressure block, which in turn acts on the ruler, maintaining the basic friction between the sheet and the ruler. At the same time, the sheet prevents the rotational deviation force of the threaded button from interfering with the rotation. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0018] Figure 2 This is a schematic diagram of the scale structure of this utility model;

[0019] Figure 3 This is a schematic diagram of the sliding sleeve structure of this utility model;

[0020] Figure 4 This is a schematic diagram of the spring clip structure of this utility model;

[0021] Figure 5 This is a schematic diagram of the threaded button structure of this utility model.

[0022] In the diagram: 1. Tray; 2. Scale; 3. Sliding sleeve; 4. Spring; 5. Threaded button; 6. First limit block; 7. Fixed shaft; 8. Second limit block; 9. Swing rod; 10. Reference rod; 11. Contact block; 12. Positioning rail; 13. Threaded seat; 21. Ruler body; 22. Scale groove; 31. Sleeve body; 32. Observation surface; 41. Plate body; 42. Pressure block; 51. Bolt; 52. Knob. Detailed Implementation

[0023] The technical solutions of the utility model embodiments will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the utility model, and not all embodiments.

[0024] Reference Figure 1 A tight-fitting structure for an injection mold of automotive parts includes a tray 1. A scale 2 is fixedly connected to the rear of the tray 1. A sliding sleeve 3 is slidably mounted on the scale 2. A spring 4 is provided inside the sliding sleeve 3. The upper end of the spring 4 is fixedly connected to the sliding sleeve 3 and contacts the scale 2. A threaded seat 13 is fixedly connected to the rear of the sliding sleeve 3. A threaded button 5 is installed inside the threaded seat 13 and contacts the spring 4. A first rotation limit block 6 and a fixed shaft 7 are symmetrically fixedly connected to the side of the sliding sleeve 3. A swing rod 9 is rotatably mounted on one of the fixed shafts 7, and a reference rod 10 is rotatably mounted on the other fixed shaft 7. A contact block 11 is fixedly connected to the swing rod 9. A second rotation limit block 8 is fixedly connected to the front of the sliding sleeve 3.

[0025] Reference Figure 1 A positioning bar 12 is fixedly connected to the tray 1. After placing the mold on the tray 1, one corner of it is inserted into the positioning bar 12.

[0026] Reference Figure 1 and 2 The ruler 2 includes a ruler body 21, the lower end of which is fixedly connected to the tray 1, and a scale groove 22 is provided at the front end of the ruler body 21. The scale groove 22 is used to keep the scale on the inside, preventing the scale from being worn by the sliding sleeve 3.

[0027] Reference Figure 1 , 2 The sliding sleeve 3 includes a sleeve body 31, which slides onto the ruler body 21. A second limiting block 8 is fixedly connected to the front of the sleeve body 31, a first limiting block 6 is symmetrically fixedly connected to the side of the sleeve body 31, a threaded seat 13 is fixedly connected to the rear end of the sleeve body 31, and a fixed shaft 7 is symmetrically fixedly connected to the side of the sleeve body 31. An observation surface 32 is provided at the lower part of the sleeve body 31. The observation surface 32 reduces the obstruction of the line of sight by the sleeve body 31.

[0028] Reference Figure 1 , 23 and 4, the spring piece 4 includes a piece body 41 and a pressure block 42. The upper end of the piece body 41 is fixedly connected to the sleeve 31, and the pressure block 42 contacts the ruler body 21 and is fixedly connected to the lower part of the piece body 41. The elastic force of the piece body 41 acts on the pressure block 42, and the pressure block 42 acts on the ruler body 21 to maintain the basic frictional force between the spring piece 4 and the ruler body 21. At the same time, the piece body 41 prevents the rotational bias force of the threaded button 5 from interfering.

[0029] Reference Figure 1 , 4 5. The threaded button 5 includes a bolt 51 and a knob 52. The bolt 51 contacts the plate 41 and is fixedly connected to the knob 52. The knob 52 is used to increase the length of the turning lever.

[0030] Reference Figure 5 The outer periphery of the knob 52 is provided with anti-slip texture. The anti-slip texture increases the friction between the hand and the knob 52.

[0031] Working principle: Loosen the threaded button 5 to release the spring 4, which in turn releases the scale 2. Adjust the height using the sliding sleeve 3 and set the reference height. Place the target mold on the tray 1 for assembly. After assembly, flip the swing rod 9 forward and downward so that the contact block 11 contacts the target mold. Then, flip the reference rod 10 forward and use the second limit block 8 to limit it. When the height of the assembled target mold is too high, the contact block 11 acts on the swing rod 9, causing the swing rod 9 to be higher than the reference rod 10, indicating that the tightness of the assembled target mold is not up to standard.

[0032] The above description is only a preferred embodiment of the utility model, but the protection scope of the utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed by the utility model, based on the technical solution and the utility model concept, should be included within the protection scope of the utility model.

[0033] The description briefly mentions the application direction of the utility model in relation to existing technologies known to those skilled in the art without modification, and combines them with the utility model to form a complete technology; it avoids excessive popularization of technologies known to those skilled in the art, in order to help those skilled in the art quickly understand the main content of the utility model.

Claims

1. A clamping structure for an injection mold of automotive parts, characterized in that: The device includes a tray (1), a scale (2) fixedly connected to the rear of the tray (1), a sliding sleeve (3) slidably mounted on the scale (2), a spring piece (4) provided inside the sliding sleeve (3), the upper end of the spring piece (4) fixedly connected to the sliding sleeve (3), the spring piece (4) contacting the scale (2), a threaded seat (13) fixedly connected to the rear of the sliding sleeve (3), a threaded button (5) installed inside the threaded seat (13), the threaded button (5) contacting the spring piece (4), a first limiting block (6) and a fixed shaft (7) symmetrically fixedly connected to the side of the sliding sleeve (3), a swing rod (9) rotatably mounted on one of the fixed shafts (7), a reference rod (10) rotatably mounted on the other fixed shaft (7), a contact block (11) fixedly connected to the swing rod (9), and a second limiting block (8) fixedly connected to the front of the sliding sleeve (3).

2. The fitting structure of an injection mold for automotive parts according to claim 1, characterized in that: A positioning rail (12) is fixedly connected to the tray (1).

3. The clamping structure of an injection mold for automotive parts according to claim 1, characterized in that: The ruler (2) includes a ruler body (21), and a scale groove (22) is provided at the front end of the ruler body (21).

4. The clamping structure of an injection mold for automotive parts according to claim 1, characterized in that: The sliding sleeve (3) includes a sleeve body (31), and an observation surface (32) is provided at the lower part of the sleeve body (31).

5. The clamping structure of an injection mold for automotive parts according to claim 1, characterized in that: The spring (4) includes a sheet body (41) and a pressure block (42), with the pressure block (42) fixedly connected to the lower part of the sheet body (41).

6. The clamping structure of an injection mold for automotive parts according to claim 1, characterized in that: The threaded button (5) includes a bolt (51) and a knob (52), with the bolt (51) and the knob (52) being fixedly connected.

7. The clamping structure of an injection mold for automotive parts according to claim 6, characterized in that: The knob (52) has anti-slip texture on its outer periphery.