Mold opening device in high-sealing rubber ring pressing mold production process

By designing a mold opening device that rotates during the upward movement of the upper mold, the problem of the rubber sealing ring being difficult to remove in the rubber ring molding device was solved, thus improving production efficiency and convenience.

CN223877376UActive Publication Date: 2026-02-06SHAOXING SHANGYU SHUNDONG RUBBER & PLASTIC PROD CO LTD
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Patent Information

Application Number
CN202520514604.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-24
Publication Date
2026-02-06
Estimated Expiration
2035-03-24

AI Technical Summary

Technical Problem

In existing rubber ring molding devices, the rubber sealing ring tends to stick to the upper mold during mold opening, making it difficult to remove effectively.

Method used

A mold opening device was designed so that the upper mold can rotate while moving upward. The rotation of the upper mold is achieved by driving the connecting rod and guide column structure through the lifting cylinder, which makes it easy to remove the attached rubber sealing ring.

Benefits of technology

This technology enables the upper mold to rotate automatically during the upward movement, simplifying the removal process of the rubber sealing ring and improving production efficiency and convenience.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to a mould opening device in a high-sealing rubber ring pressing mould production process, which comprises two groups of mould opening mechanisms which are opposite left and right, a rubber ring pressing mould is arranged between the mould opening mechanisms, the pressing mould comprises a rectangular upper mould, flanges are formed on two sides of the upper mould, transverse mould opening notches are formed on the lower end surfaces of the front and rear sides of the flanges, and the mould opening notches are arranged on the upper mould. The mold opening mechanism comprises a fixed bottom plate, a longitudinal fan-shaped lifting main plate is arranged above the fixed bottom plate, a longitudinal supporting rod is arranged on the side, close to the upper mold, of the lifting main plate, and transverse bearing supporting columns opposite to the mold opening notches are formed at the front end and the rear end of the supporting rod correspondingly; a transverse connecting sleeve is formed at the rear end of the lifting main plate, a transverse connecting column is connected into the connecting sleeve through a bearing, and the connecting column is formed at the rear end of the supporting rod. According to the mold opening device, the upper mold can move upwards, meanwhile, the upper mold can rotate, and a rubber sealing ring attached to the upper mold can be taken down conveniently.
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Description

TECHNICAL FIELD

[0001] The utility model relates to rubber ring pressure mould equipment's technical field, more specifically relates to a kind of opening die device in high sealing rubber ring pressure mould production process. BACKGROUND

[0002] Rubber ring pressure mould is a kind of mould type commonly used in rubber product production, mainly for manufacturing rubber ring and other sealing parts.Present pressure mould mould includes injection mould, injection mould is used with injection machine, and the feeding and discharging mechanism for realizing the injection mould to enter and exit injection chamber is arranged on the injection machine, when the injection mould enters the injection chamber to realize the manufacture of injection chamber, after exiting the injection chamber, the rubber sealing ring in the mould can be taken out by opening mould, and the opening mode realized by the existing opening mechanism is that the upper die is conveniently lifted, and the rubber sealing ring is taken from the upper die, but sometimes the rubber sealing ring is adhered to the upper die, and it is more troublesome to take the rubber sealing ring from the upper die, and then someone proposes that the upper die can be rotated while moving upward to open the mould, so that the lower surface of the upper die is inclined forward, and the rubber sealing ring adhered to the upper die is conveniently taken out. SUMMARY

[0003] The utility model discloses a kind of opening die device in high sealing rubber ring pressure mould production process, and its opening die device can realize that the upper die of pressure mould mould moves upward, and also can realize upper die rotation, conveniently take down the rubber sealing ring adhered to upper die.

[0004] An opening die device in high sealing rubber ring pressure mould production process, including two groups of left and right opposite opening mechanism, the pressure mould mould of rubber ring is arranged between opening mechanism, and the pressure mould mould includes rectangular upper die, the two sides of upper die are formed with baffle, the lower end face of the front and rear side of baffle is formed with horizontal opening slot, and the opening mechanism includes fixed bottom plate, the upper of fixed bottom plate is equipped with longitudinal fan-shaped lifting main plate, the side of lifting main plate close to upper die is equipped with longitudinal support rod, and the front and rear ends of support rod are respectively formed with bearing support column opposite to opening slot and transverse;The rear end of lifting main plate is formed with horizontal link sleeve, and the horizontal connecting column in link sleeve is connected with bearing;Connecting column is formed in the rear end of support rod;

[0005] The front side of lifting main plate is formed with circular-arc-shaped guide slot, and the horizontal guide column in guide slot is inserted and fixed, one end of guide column is fixed on support rod, the other end extends lifting main plate and is inserted into limit sleeve, and the inclined connecting rod is inserted in guide column between lifting main plate and support rod;

[0006] The side of the lifting main plate away from the die mechanism is formed with a horizontal connecting plate, the middle part of the lower end surface of the connecting plate is fixedly connected with a vertical tubular groove seat, vertical limiting grooves are formed in the two side walls of the groove seat, a T-shaped pin shaft is inserted into the limiting groove of the groove seat, and the tail end of the pin shaft is inserted and fixed in the lower end of the connecting rod.

[0007] Preferably, the center of the arc of the guiding groove on the lifting main plate is located on the central axis of the connecting sleeve, and the groove width of the guiding groove is equal to the diameter of the guiding column.

[0008] Preferably, a lengthening rod is arranged between the sliding block and the lifting cylinder, the upper end of the lengthening rod is fixedly connected with the sliding block, the lower end of the lengthening rod is fixedly connected with a shaft coupling, and the lengthening rod is fixedly connected with the piston rod of the lifting cylinder through the shaft coupling.

[0009] Preferably, the diameter of the supporting column supported by the supporting rod is equal to the groove width of the mold opening notch on the upper die, and the depth of the mold opening notch is greater than the diameter of the supporting column.

[0010] Preferably, the stroke of the lifting cylinder is greater than the spacing between the connecting plate and the limiting baffle.

[0011] Preferably, the central axes of the two groups of supporting columns on the supporting rod are in the same horizontal plane, and the central axis of the supporting column at the rear end of the supporting rod coincides with the central axis of the connecting sleeve.

[0012] The beneficial effects of the utility model lie in:

[0013] The mold opening device can realize the upward movement of the upper die of the compression mold and also can realize the rotation of the upper die, so that the rubber sealing ring attached to the upper die can be conveniently taken down. BRIEF DESCRIPTION OF DRAWINGS

[0014] Fig. 1 It is a structure schematic view of the utility model from the front view;

[0015] Fig. 2 It is a structure schematic view of the utility model from the side view;

[0016] Fig. 3 It is a three-dimensional structure schematic view of the mold opening mechanism of the utility model.

[0017] In the figure: 10, mold opening mechanism; 1, fixed base plate; 2, lifting main plate; 21, adapter sleeve; 22, connecting plate; 23, guide groove; 3, support rod; 31, support column; 4, guide column; 5, connecting rod; 6, groove seat; 61, limiting groove; 7, sliding block; 8, pin shaft; 9, spring; 11, lengthening rod; 12, lifting cylinder; 13, coupling; 14, column; 15, limiting baffle; 16, limiting sleeve; 20, upper die; 201, baffle; 202, mold opening notch. DETAILED DESCRIPTION

[0018] Embodiment: see Figs. 1 to 3 As shown in the figure, a mold opening device in the production process of high sealing rubber ring pressing mold, including two groups of left and right opposite mold opening mechanism 10, the mold opening mechanism 10 between the rubber ring pressing mold, pressing mold includes a rectangular upper die 20, both sides of the upper die 20 are formed with baffle 201, the lower end surface of the front and back side of baffle 201 is formed with horizontal mold opening notch 202, the mold opening mechanism 10 includes fixed base plate 1, the upper side of fixed base plate 1 is provided with longitudinal fan-shaped lifting main plate 2, the side of lifting main plate 2 close to upper die 20 is provided with longitudinal support rod 3, the front and back end of support rod 3 is respectively formed with support column 31 which is opposite to mold opening notch 202 and transverse;

[0019] The rear end of lifting main plate 2 is formed with horizontal adapter sleeve 21, the inside of adapter sleeve 21 is connected with horizontal connecting column through bearing, connecting column is formed in the rear end of support rod 3;

[0020] The front side of lifting main plate 2 is formed with circular arc-shaped guide groove 23, the inside of guide groove 23 is inserted and fixed with horizontal guide column 4, one end of guide column 4 is fixed on support rod 3, the other end of guide column 4 extends out of lifting main plate 2 and is inserted and fixed with limiting sleeve 16, the guide column 4 between lifting main plate 2 and support rod 3 is inserted with inclined connecting rod 5;

[0021] The center of the arc of the guiding groove 23 on the lifting main plate 2 is located on the central axis of the connecting sleeve 21, and the groove width of the guiding groove 23 is equal to the diameter of the guiding column 4, so that the upper die 20 cannot shake during rotation.

[0022] The lengthening rod 11 is provided between the sliding block 7 and the lifting cylinder 12, the upper end of the lengthening rod 11 is fixedly connected to the sliding block 7, the lower end of the lengthening rod 11 is fixedly connected with the shaft coupling 13, and the lengthening rod 11 is fixedly connected with the piston rod of the lifting cylinder 12 through the shaft coupling 13.

[0023] The diameter of the supporting column 31 on the supporting rod 3 is equal to the groove width of the opening die groove 202 on the upper die 20, and the depth of the opening die groove 202 is greater than the diameter of the supporting column 31, so that the supporting column 31 cannot be separated from the upper die 20 during rotation of the upper die 20.

[0024] The stroke of the lifting cylinder 12 is greater than the spacing between the connecting plate 22 and the limiting baffle 15.

[0025] The central axes of the two groups of supporting columns 31 on the supporting rod 3 are in the same horizontal plane, and the central axis of the supporting column 31 at the rear end of the supporting rod 3 coincides with the central axis of the connecting sleeve 21.

[0026] Working principle: the structure is an opening die device in the production process of the high-sealing rubber ring pressing die, which can realize upward movement of the upper die 20 during opening die process, and can also realize rotation of the upper die 20 forward and upward, so that the lower surface of the upper die 20 faces forward.

[0027] In the specific working process, after the upper die 20 moves out of the pressing injection chamber and moves above the supporting column 31, the supporting column 31 is opposite to the opening die groove 202.

[0028] Then the lifting cylinder 12 is started, the piston rod of the lifting cylinder 12 is extended, the lifting main plate 2 is first moved upward, and the upper die 20 is first moved upward; when the connecting plate 21 of the lifting main plate 2 abuts against the limiting baffle 15 and cannot be moved upward, the piston rod of the lifting cylinder 12 continues to move upward, the spring 9 continues to be compressed, the sliding block 7 continues to move upward, the connecting rod 5 moves upward, the upper end of the connecting rod 5 drives the guiding column 4 to move in the guiding groove 23 of the guiding column 4, the supporting rod 3 rotates, and the upper die 20 rotates.

[0029] The embodiments are used to illustrate the utility model, and are not used to limit the utility model. Any person skilled in the art can modify the embodiments without departing from the spirit and scope of the utility model, so the protection scope of the utility model should be as listed in the claims of the utility model.

Claims

1. A mold opening device in the production process of a high-sealing rubber ring compression mold, comprising two sets of left and right opposing mold opening mechanisms (10), a rubber ring compression mold provided between the mold opening mechanisms (10), the compression mold comprising a rectangular upper mold (20), with side flanges (201) formed on both sides of the upper mold (20), and transverse mold opening slots (202) formed on the lower end surfaces of the front and rear sides of the side flanges (201), characterized in that: The mould opening mechanism (10) comprises a fixed base plate (1), a longitudinal fan-shaped lifting main plate (2) arranged above the fixed base plate (1), a longitudinal support rod (3) arranged on the side of the lifting main plate (2) close to an upper die (20), and a horizontal supporting column (31) arranged on the front and rear ends of the support rod (3) and opposite to a mould opening slot (202) and transverse to the support rod (3). An arc-shaped guide groove (23) is formed on the front side of the lifting main plate (2), a horizontal guide column (4) is inserted and fixed in the guide groove (23), one end of the guide column (4) is fixed on the support rod (3), the other end of the guide column (4) extends out of the lifting main plate (2) and is inserted into a limiting sleeve (16), and an inclined connecting rod (5) is sleeved on the guide column (4) between the lifting main plate (2) and the support rod (3). A horizontal connecting plate (22) is formed on the side of the lifting main plate (2) away from the mould opening mechanism (10), a vertical tubular groove seat (6) is fixed on the middle of the lower end surface of the connecting plate (22), vertical limiting grooves (61) are formed on the two side walls of the groove seat (6), a T-shaped pin shaft (8) is inserted into the limiting grooves (61) of the groove seat (6), the end of the pin shaft (8) is inserted and fixed on the lower end of the connecting rod (5), a sliding block (7) is inserted into the groove seat (6), the pin shaft (8) is inserted into the sliding block (7), a spring (9) is inserted into the groove seat (6) on the upper side of the sliding block (7), the upper and lower ends of the spring (9) are pressed against the sliding block (7) and the connecting plate (22) respectively, a vertical lifting cylinder (12) piston rod is fixed on the lower end surface of the sliding block (7), the lower end of the cylinder body of the lifting cylinder (12) is fixed on the fixed base plate (1), vertical stand columns (14) are inserted into the connecting plate (22) on the front and rear sides of the groove seat (6), the lower end of the stand column (14) is fixed on the fixed base plate (1), and a longitudinal limiting baffle (15) is fixed on the upper end of the stand column (14).

2. The mold opening device for high sealing rubber ring press molding process according to claim 1, characterized in that: The center of the arc of the guide groove (23) on the lifting main plate (2) is located on the central axis of the connecting sleeve (21), and the groove width of the guide groove (23) is equal to the diameter of the guide column (4).

3. The mold opening device for high sealing rubber ring press molding process according to claim 1, characterized in that: A lengthening rod (11) is arranged between the sliding block (7) and the lifting cylinder (12), the upper end of the lengthening rod (11) is fixed on the sliding block (7), a shaft coupling (13) is fixed on the lower end of the lengthening rod (11), and the lengthening rod (11) is fixed on the piston rod of the lifting cylinder (12) through the shaft coupling (13).

4. The mold opening device for high sealing rubber ring press molding process according to claim 1, characterized in that: The diameter of the supporting column (31) on the support rod (3) is equal to the groove width of the mould opening slot (202) on the upper die (20), and the depth of the mould opening slot (202) is greater than the diameter of the supporting column (31).

5. The mold opening device for high sealing rubber ring press molding process according to claim 1, characterized in that: The stroke of the lifting cylinder (12) is greater than the distance between the connecting plate (22) and the limiting baffle (15).

6. The mold opening device for high sealing rubber ring press molding process according to claim 2, characterized in that: The central axes of the two groups of supporting columns (31) on the support rod (3) are in the same horizontal plane, the central axis of the supporting column (31) at the rear end of the support rod (3) coincides with the central axis of the connecting sleeve (21).