Sealing O-shaped rubber ring injection mold and mold closing device thereof

By introducing a rotating and lubricating structure into the injection mold for sealing O-rings, the problem of low efficiency in traditional molds is solved, achieving efficient injection molding and protection of the guide blocks.

CN223507588UActive Publication Date: 2025-11-04DONGGUAN MINGRUI PRECISION COMPONENTS CO LTD
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Patent Information

Application Number
CN202423071786.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-12
Publication Date
2025-11-04
Estimated Expiration
2034-12-12

AI Technical Summary

Technical Problem

Traditional O-ring injection molds are inefficient to process, requiring cleaning before the next injection, resulting in low production efficiency.

Method used

A mold closing device including a rotating structure and a lubrication structure was designed. The rotating structure realizes the rotation of the fixed mold through the cooperation of worm gear and worm wheel, and the lubrication structure realizes the lubrication of the guide block through the cooperation of moving column and baffle plate, thereby reducing friction.

Benefits of technology

This allows for simultaneous cleaning and injection during the injection molding process, improving processing efficiency and reducing wear on the guide blocks.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a sealing O-shaped rubber ring injection mold and a mold closing device thereof. The sealing O-shaped rubber ring injection mold comprises a base and a fixed mold, a fixed mold is mounted on one side of the top end of the base, a rotating structure is arranged at the bottom end of the fixed mold, a cylinder is fixed on the other side of the top end of the base, a movable mold is mounted at one end of the cylinder, a guide block is mounted at the bottom end of the movable mold, and guide grooves are formed in the two ends of the top of the base; a lubricating structure is arranged on one side in the guide groove, the rotating structure comprises a rotating motor, a worm gear, a worm and a mounting groove, the mounting groove is formed in one side of the base, and the worm gear is mounted in the mounting groove. According to the utility model, by arranging the rotating structure, during injection molding, the fixed mold can be driven to rotate by 180 degrees by installing the injection mold grooves in the two sides of the fixed mold and matching the worm and the worm gear, so that during injection molding, the injection molding can be carried out while cleaning an O-shaped sealing rubber ring subjected to injection molding, and the processing efficiency is improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to sealing O type rubber ring processing technical field, especially sealing O type rubber ring injection mold and die assembly thereof. BACKGROUND

[0002] Sealing O type rubber ring, commonly known as O type rubber seal ring or O ring, is a kind of rubber ring with circular cross section, and is widely used in the sealing of various hydraulic, pneumatic systems and mechanical products, and sealing O type rubber ring injection mold is used when sealing O type rubber ring is processed, but the traditional sealing O type rubber ring injection mold still has some problems when in use.

[0003] When the traditional sealing O type rubber ring injection mold is injection molded, the side of the fixed mold is generally provided with an injection molding mold groove, which leads to the fact that the sealing O type rubber ring needs to be cleaned after injection molding is completed, and then the next injection molding processing can be carried out, so that the efficiency is low when the sealing O type rubber ring is injection molded, and therefore a sealing O type rubber ring injection mold and die assembly thereof are needed to solve the above problems. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a sealing O type rubber ring injection mold and die assembly thereof to solve the low efficiency of the traditional sealing O type rubber ring injection mold when the sealing O type rubber ring is processed.

[0005] In order to solve the above technical problems, the utility model provides the following technical scheme: a sealing O type rubber ring injection mold and die assembly thereof, which comprises a base and a fixed mold.

[0006] Preferably, the outer side of the worm wheel is provided with a plurality of teeth, and the worm wheel and the worm are engaged.

[0007] Preferably, the lubricating structure comprises an oil storage tank, an oil inlet, a spring, a blocking plate, an oil outlet and a moving column, the oil storage tank is installed on one side inside the guide groove, the spring is installed inside the oil storage tank, the oil inlet is arranged at the top end of the oil storage tank, the oil outlet is installed on one side of the oil storage tank, the moving column is installed inside the oil outlet, and the blocking plate is installed at one end of the moving column.

[0008] Preferably, one end of the spring is fixed to one end of the blocking plate, and the spring and the blocking plate form a telescopic structure.

[0009] Preferably, the moving column is inserted into the oil outlet, and the moving column and the oil outlet are movably connected.

[0010] Preferably, the two groups of oil storage tanks are symmetrically arranged inside the base.

[0011] Preferably, the guide block moves inside the guide groove, and the guide block and the guide groove form a guide structure.

[0012] Compared with the prior art, the sealing O-shaped rubber ring injection mold and the mold closing device have the advantages that: when the sealing O-shaped rubber ring injection mold and the mold closing device are used, the fixed mold can be rotated through the rotation structure, the sealing O-shaped rubber ring can be cleaned while being injection molded, the efficiency is higher when the sealing O-shaped rubber ring is injection molded, and the guide block can be oiled when moving inside the guide groove through the lubricating structure, so that the friction between the guide block and the guide groove is reduced.

[0013] 1. By arranging the rotation structure, when injection molding, the fixed mold can be rotated 180° through the cooperation between the worm and the worm wheel, so that the sealing O-shaped rubber ring can be cleaned while being injection molded, and the other side can be injection molded, thereby improving the processing efficiency.

[0014] 2. By arranging the lubricating structure, when the guide block moves inside the guide groove, the blocking plate can be opened at the position of the moving column, the lubricating oil can be discharged through the oil outlet, the guide block can be lubricated, the friction between the guide block and the guide groove is reduced, and the wear of the guide block is smaller when moving. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a front view structure schematic diagram of the utility model;

[0016] Figure 2 It is a bottom view structure schematic diagram of the utility model;

[0017] Figure 3This is a schematic diagram of a partial cross-sectional structure of the present invention.

[0018] Figure 4 This is a frontal cross-sectional view of the present invention.

[0019] Figure 5 For the present utility model Figure 4 A magnified schematic diagram of the structure at point A in the middle.

[0020] In the diagram: 1. Base; 2. Fixed mold; 3. Moving mold; 4. Cylinder; 5. Rotating structure; 501. Rotary motor; 502. Worm gear; 503. Worm; 504. Mounting groove; 6. Lubrication structure; 601. Oil reservoir; 602. Oil inlet; 603. Spring; 604. Baffle plate; 605. Oil outlet; 606. Moving column; 7. Guide groove; 8. Guide block. Detailed Implementation

[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0022] This utility model provides a sealing O-ring injection mold and its mold closing device, such as Figures 1-5 As shown, it includes a base 1 and a fixed mold 2; the fixed mold 2 is installed on one side of the top of the base 1, and a rotating structure 5 is provided at the bottom of the fixed mold 2; a cylinder 4 is fixed on the other side of the top of the base 1, a moving mold 3 is installed at one end of the cylinder 4, and a guide block 8 is installed at the bottom of the moving mold 3; guide grooves 7 are opened inside both ends of the top of the base 1; a lubrication structure 6 is provided on one side inside the guide groove 7.

[0023] In a further preferred embodiment of this utility model, such as Figures 1-5As shown: lubrication structure 6 includes oil tank 601, oil inlet 602, spring 603, barrier plate 604, oil outlet 605 and moving column 606, oil tank 601 is installed in one side of guide groove 7, spring 603 is installed in the inside of oil tank 601, oil inlet 602 is formed in the top of oil tank 601, oil outlet 605 is installed in one side of oil tank 601, moving column 606 is installed in the inside of oil outlet 605, one end of moving column 606 is installed with barrier plate 604, one end of spring 603 is fixed with one end of barrier plate 604, and the spring 603 and the barrier plate 604 constitute a telescopic structure, the moving column 606 is inserted into the inside of the oil outlet 605, and the moving column 606 and the oil outlet 605 constitute a movable connection, the oil tank 601 is provided with two groups, and the two groups of oil tank 601 are symmetrically distributed in the inside of the base 1, the guide block 8 moves in the inside of the guide groove 7, and the guide block 8 and the guide groove 7 constitute a guide structure.

[0024] Specifically, when the sealing O-shaped rubber ring is injection molded, the fixed mold 2 and the movable mold 3 are clamped, and the cylinder 4 is started when clamping. The cylinder 4 will push the movable mold 3 to move to one side after starting, so that it is clamped on one side of the fixed mold 2 to complete the clamping work. When the movable mold 3 moves, the guide block 8 moves in the guide groove 7. When the guide block 8 moves in the guide groove 7, the moving column 606 is pushed to move in the oil outlet 605 when passing the position of the moving column 606, and the barrier plate 604 is pushed open. The barrier plate 604 is pushed open and pushes the spring 603 to shrink. When the barrier plate 604 is opened, the blocked oil outlet 605 is opened, so that the lubricating oil is discharged through the oil outlet 605. The guide block 8 is lubricated, thereby reducing the friction between the guide block 8 and the guide groove 7, so that the guide block 8 is less worn when moving, thereby completing the lubrication work.

[0025] In the further preferred embodiment of the utility model, Figures 1-5 As shown: the rotating structure 5 includes a rotating motor 501, a worm gear 502, a worm 503 and an installation groove 504, the installation groove 504 is formed in the inside of one side of the base 1, the worm gear 502 is installed in the inside of the installation groove 504, the top end of the worm gear 502 is fixed with the bottom end of the fixed mold 2, the worm 503 is installed on one side of the worm gear 502, one end of the worm 503 is installed with the worm gear 502, and the outside of the worm gear 502 is provided with a plurality of teeth.

[0026] Specifically, when the movable mold 3 is closed, the injection material is injected into the inside of the fixed mold 2 and the movable mold 3, so that the injection work is completed, when the injection of one side of the fixed mold 2 is completed, the rotary motor 501 is started, the rotary motor 501 drives the worm 503 to rotate after being started, the worm 503 drives the worm gear 502 to rotate 180° when rotating, so that the other side of the fixed mold 2 is aligned with one side of the movable mold 3, at this time, one side of the O-shaped rubber ring can be cleaned, and the other side can be injected, so that the cleaning and injection do not affect each other, thereby improving the efficiency of the injection processing.

[0027] Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or make equivalent replacement to part of the technical features, and any modification, equivalent replacement, improvement, etc. within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A sealing O-ring injection mold and its clamping device, comprising a base (1) and a fixed mold (2); Characterized in that: One side of the top end of the base (1) is provided with the fixed mold (2), the bottom end of the fixed mold (2) is provided with a rotating structure (5), the other side of the top end of the base (1) is fixedly provided with an air cylinder (4), one end of the air cylinder (4) is provided with a movable mold (3), the bottom end of the movable mold (3) is provided with a guide block (8), and the inside of both ends of the top of the base (1) is provided with a guide groove (7); One side of the inside of the guide groove (7) is provided with a lubricating structure (6), the rotating structure (5) comprises a rotating motor (501), a worm gear (502), a worm (503) and a mounting groove (504), the mounting groove (504) is arranged in the inside of one side of the base (1), the inside of the mounting groove (504) is provided with the worm gear (502), the top end of the worm gear (502) is fixedly connected with the bottom end of the fixed mold (2), one side of the worm gear (502) is provided with the worm (503), and one end of the worm (503) is provided with the worm gear (502).

2. The mold for injection molding a seal O-ring and the mold closing device thereof according to claim 1, characterized in that: The worm gear (502) is provided with a plurality of teeth on the outside, and the worm gear (502) is engaged with the worm (503).

3. The mold for injection molding a seal O-ring and the mold closing device thereof according to claim 1, characterized in that: The lubricating structure (6) comprises an oil tank (601), an oil inlet (602), a spring (603), a blocking plate (604), an oil outlet (605) and a moving column (606), the oil tank (601) is arranged on one side of the inside of the guide groove (7), the inside of the oil tank (601) is provided with the spring (603), the top end of the oil tank (601) is provided with the oil inlet (602), the oil outlet (605) is arranged on one side of the oil tank (601), the inside of the oil outlet (605) is provided with the moving column (606), and one end of the moving column (606) is provided with the blocking plate (604).

4. The sealing O-ring injection mold and its mold closing device according to claim 3, characterized in that: One end of the spring (603) is fixedly connected with one end of the blocking plate (604), and the spring (603) and the blocking plate (604) constitute a telescopic structure.

5. The mold for injection molding a seal O-ring and the mold closing device thereof according to claim 3, characterized in that: The moving column (606) is inserted into the inside of the oil outlet (605), and the moving column (606) and the oil outlet (605) constitute a movable connection.

6. The mold for injection molding a seal O-ring and the mold closing device thereof according to claim 3, characterized in that: The oil tank (601) is provided with two groups, and the two groups of oil tanks (601) are symmetrically distributed in the inside of the base (1).

7. The mold for injection molding an O-ring and the mold closing device thereof according to claim 1, characterized in that: The guide block (8) moves in the inside of the guide groove (7), and the guide block (8) and the guide groove (7) constitute a guide structure.