Auxiliary demolding structure for O-shaped sealing ring

By designing an auxiliary mold release structure for O-type sealing rings, using spraying agents and pneumatic mold release technology, the problem of excessive friction during the mold release process of the sealing ring is solved, and a safer and more efficient mold release process is achieved, improving the mold release process. The yield rate is.

CN222309559UActive Publication Date: 2025-01-07CHANGZHOU RONGNAN RUBBER TECH CO LTD
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Patent Information

Application Number
CN202420042233.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-01-09
Publication Date
2025-01-07
Estimated Expiration
2034-01-09

AI Technical Summary

Technical Problem

During the release process, O-type sealing rings are difficult to demold due to excessive friction and adhesion, which may cause damage or deformation of the friction ball. The existing technology is difficult to effectively solve this problem.

Method used

An auxiliary mold release structure is designed, including a sprayer, a molding plate, a block and an air pump. By spraying a mold release agent, heating and pressurized molding and pneumatic mold release, friction is reduced and the sealing ring is successfully demolded.

Benefits of technology

It effectively reduces the risk of forced disengagement and deformation of the sealing ring during the demolding process, improves the yield rate, reduces losses, and achieves a more convenient demolding process.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of demoulding of O-shaped sealing rings, in particular to an auxiliary demoulding structure for O-shaped sealing rings, which comprises a device body, supports are symmetrically arranged on the device body, a lead screw is mounted on one side of each support, a movable block is in threaded connection with the outer surface of each lead screw, a forming plate is movably connected onto each movable block, and the forming plate is movably connected onto the device body. A forming plate is arranged on the device body, a plurality of connecting holes are formed in the forming plate, plugging blocks are arranged in the connecting holes, a top plate is arranged on the device body, connecting rods are arranged on the bottom face of the top plate, vent holes are formed in the top face of the top plate, and a sprayer is further arranged on the device body. According to the sealing ring demoulding device, the possibility that the sealing ring is forcibly separated during demoulding is reduced, the situation that the sealing ring is deformed or damaged due to stress in the demoulding process is reduced, the effect that the demoulding process of the sealing ring is more convenient is improved, the friction force is reduced through pneumatic energy, the yield of the sealing ring is also improved, and the loss is greatly reduced.
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Description

Technical Field

[0001] The utility model relates to the technical field of demoulding of O-type sealing rings, in particular to an auxiliary demoulding structure for O-type sealing rings. Background Art

[0002] An O-ring is a rubber sealing ring with a circular cross-section. Because its cross-section is O-shaped, it is called an O-type rubber sealing ring, also called an O-ring. An O-ring is usually pressed under high temperature and high pressure. After pressing, it needs to be demolded, so an auxiliary demolding structure for the O-ring is required.

[0003] At present, in the process of demolding the O-ring, due to the friction and adhesion between the seal ring and the mold, the seal ring may adhere to the mold during demolding and is difficult to separate. If the demolding is forced, the friction ball may be injured or deformed due to excessive friction. Therefore, an auxiliary demolding structure for the O-ring is proposed. Utility Model Content

[0004] In view of the deficiencies of the prior art, the utility model provides an auxiliary demoulding structure for an O-ring, which overcomes the deficiencies of the prior art and aims to solve the problems in the background technology.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] An auxiliary demoulding structure for an O-ring comprises a device body, on which a bracket is symmetrically arranged, a screw rod is installed on one side of the bracket, a movable block is threadedly connected to the outer surface of the screw rod, a forming plate is movably connected to the movable block, a plurality of connecting holes are provided in the forming plate, blocking blocks are provided in the connecting holes, a top plate is provided on the device body, a connecting rod is provided on the bottom surface of the top plate, a vent hole is provided on the top surface of the top plate, and a sprayer is also provided on the device body.

[0007] Preferably, one end of the screw rod is connected to the bracket, and the other end of the screw rod is connected to the device body. A second motor is provided on the other side of the bracket, and the output end of the second motor passes through the bracket and is connected to one end of the screw rod.

[0008] Preferably, a shell is installed on one side of the device body, a rotating rod is arranged in the shell, a fixing plate is connected between the forming plate and the rotating rod, the fixing plate is threadedly connected to the rotating rod, a first motor is installed on the shell, one end of the rotating rod is connected to the output end of the first motor, and the rotating rod is rotatably connected in the shell.

[0009] Preferably, the forming template includes an upper side plate and a lower side plate, and the upper side plate and the lower side plate are respectively screwed to the forming plate and the movable block, a plurality of sealing ring grooves are correspondingly opened between the upper side plate and the lower side plate, a plurality of spherical grooves are arranged on the top surface of the lower side plate, and the connecting hole is opened through between the forming plate and the upper side plate, and the connecting hole corresponds to the spherical grooves.

[0010] Preferably, a limiting plate is provided on the inner side of the bottom port of the connecting hole, the blocking block is movably connected to the outer side of the limiting plate, a spring is connected between the limiting plate and the blocking block, the bottom end of the blocking block is hemispherical, the blocking block is matched with the spherical groove, and the forming plate is a heating and pressurizing plate.

[0011] Preferably, a plurality of connecting rods are arranged and installed on the bottom surface of the top plate, and the connecting rods are all inserted into the connecting holes. A transmission air pipe is connected between the vent hole and the air pump, and the air pump and the connecting rods are connected by a pipeline.

[0012] Preferably, a storage bin is provided in the sprayer, a release agent is placed in the storage bin, a slide groove is provided on the top surface of the sprayer, a slider is connected between the inner walls of the slide groove, a spray bar is installed on the slider, and the spray bar is connected to the storage bin by a pipeline.

[0013] The beneficial effects of the utility model are:

[0014] The utility model can spray the release agent on the outer surface of the forming template through a sprayer to reduce the possibility of material sticking, and can use the forming plate to complete the heating and pressurizing work to form the sealing ring. The blocking block can prevent the material from overflowing from the connecting hole during the extrusion process, and the movement of the blocking block can make the gas spray out to achieve the effect of pneumatic demoulding.

[0015] The utility model reduces the possibility of forcibly separating the sealing ring when demoulding it, reduces the situation that the sealing ring is deformed or damaged during the demoulding process, makes the demoulding process of the sealing ring more convenient, reduces the generation of friction through pneumatic energy, improves the yield rate of the sealing ring, and greatly reduces losses. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic structural diagram of the auxiliary demoulding structure for an O-ring proposed by the utility model;

[0017] Figure 2 This is a schematic diagram of the main structure of the auxiliary demoulding structure for an O-ring proposed by the utility model;

[0018] Figure 3It is a schematic structural side view of the auxiliary demoulding structure for an O-ring proposed by the utility model;

[0019] Figure 4 This is a schematic top view of the auxiliary demoulding structure for an O-ring proposed by the utility model;

[0020] Figure 5 for Figure 2 Schematic diagram of the structure of part A.

[0021] In the figure: 1. device body; 2. air pump; 3. sprayer; 4. spray bar; 5. bracket; 6. movable block; 7. sealing ring groove; 8. spherical groove; 9. connecting hole; 10. outer shell; 11. top plate; 12. forming plate; 13. screw rod; 14. first motor; 15. connecting rod; 16. vent hole; 17. release agent; 18. forming template; 19. blocking block; 20. spring. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] Embodiment 1:

[0024] Reference Figure 1-5 , an auxiliary demoulding structure for an O-ring, comprising a device body 1, a bracket 5 is symmetrically arranged on the device body 1, a screw rod 13 is installed on one side of the bracket 5, one end of the screw rod 13 is connected to the bracket 5, and the other end of the screw rod 13 is connected to the device body 1, a second motor is arranged on the other side of the bracket 5, the output end of the second motor passes through the bracket 5 and is connected to one end of the screw rod 13, a movable block 6 is threadedly connected on the outer surface of the screw rod 13, a molding plate 12 is movably connected to the movable block 6, a plurality of connecting holes 9 are opened in the molding plate 12, and a connecting A blocking block 19 is provided in the connection hole 9, a top plate 11 is provided on the device body 1, a connecting rod 15 is provided on the bottom surface of the top plate 11, a vent hole 16 is provided on the top surface of the top plate 11, a sprayer 3 is also provided on the device body 1, a shell 10 is installed on one side of the device body 1, a rotating rod is provided in the shell 10, a fixing plate is connected between the forming plate 12 and the rotating rod, the fixing plate is threadedly connected to the rotating rod, a first motor 14 is installed on the shell 10, one end of the rotating rod is connected to the output end of the first motor 14, and the rotating rod is rotatably connected in the shell 10.

[0025] In this embodiment, the forming template 18 includes an upper side plate and a lower side plate, which are respectively screwed to the forming plate 12 and the movable block 6, and a plurality of sealing ring grooves 7 are correspondingly opened between the upper side plate and the lower side plate. A plurality of spherical grooves 8 are arranged on the top surface of the lower side plate, and a connecting hole 9 is opened between the forming plate 12 and the upper side plate, and the connecting hole 9 corresponds to the spherical groove 8. A plurality of connecting rods 15 are arranged and installed on the bottom surface of the top plate 11, and the connecting rods 15 are all inserted into the connecting holes 9. A transmission air pipe is connected between the vent hole 16 and the air pump 2, and the air pump 2 It is connected to the connecting rod 15 by a pipeline, a storage bin is arranged in the sprayer 3, a release agent 17 is placed in the storage bin, a slide groove is arranged on the top surface of the sprayer 3, a slider is connected between the inner walls of the slide groove, a spray strip 4 is installed on the slider, the spray strip 4 and the storage bin are connected by a pipeline, a limiting plate is arranged on the inner side of the bottom port of the connecting hole 9, a blocking block 19 is movably connected to the outer side of the limiting plate, a spring 20 is connected between the limiting plate and the blocking block 19, the bottom end of the blocking block 19 is hemispherical, the blocking block 19 is adapted to the spherical groove 8, and the forming plate 12 is a heating and pressurizing plate.

[0026] Working principle: first control the spray bar 4 to start spraying the release agent 17, the release agent 17 will be sprinkled on the molding template 18, the material is placed on the molding template 18, the second motor is controlled to start rotating, the screw 13 will start rotating, thereby moving the movable block 6 to the bottom side of the molding plate 12, and the first motor 14 is controlled to start rotating, the molding plate 12 will start to press down, the blocking block 19 will be connected to the spherical groove 8, the material will be heated and extruded into a sealing ring, and then the first motor 14 will reverse, the molding plate 12 will move upward, and the entire sealing ring piece will be attached to the upper side plate. When the molding plate 12 moves to the top, the connecting rod 15 will be inserted into the connecting hole 9. After insertion, the blocking block 19 will be pressed downward, and the spring 20 will be compressed. At this time, the air pump 2 is controlled to start ventilation, and the gas will be ejected from the bottom side of the connecting hole 9, thereby blowing down the sealing ring piece to complete the demoulding.

[0027] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" 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 a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0028] The above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. Auxiliary demoulding structure for O-ring, characterized in that: include: A device body (1) is provided with a bracket (5) symmetrically on the device body (1), a screw rod (13) is installed on one side of the bracket (5), a movable block (6) is threadedly connected to the outer surface of the screw rod (13), a forming plate (12) is movably connected to the movable block (6), a plurality of connecting holes (9) are provided in the forming plate (12), a blocking block (19) is provided in the connecting hole (9), a top plate (11) is provided on the device body (1), a connecting rod (15) is provided on the bottom surface of the top plate (11), a vent hole (16) is provided on the top surface of the top plate (11), and a sprayer (3) is also provided on the device body (1).

2. The auxiliary demoulding structure for an O-ring according to claim 1, characterized in that: One end of the screw rod (13) is connected to the bracket (5), and the other end of the screw rod (13) is connected to the device body (1). A second motor is provided on the other side of the bracket (5), and the output end of the second motor passes through the bracket (5) and is connected to one end of the screw rod (13).

3. The auxiliary demoulding structure for an O-ring according to claim 2, characterized in that: A housing (10) is installed on one side of the device body (1), a rotating rod is arranged inside the housing (10), a fixing plate is connected between the forming plate (12) and the rotating rod, the fixing plate is threadedly connected to the rotating rod, a first motor (14) is installed on the housing (10), one end of the rotating rod is connected to the output end of the first motor (14), and the rotating rod is rotatably connected inside the housing (10).

4. The auxiliary demoulding structure for an O-ring according to claim 3, characterized in that: The molding template (18) further comprises an upper side plate and a lower side plate, wherein the upper side plate and the lower side plate are respectively screwed to the molding plate (12) and the movable block (6), a plurality of sealing ring grooves (7) are correspondingly provided between the upper side plate and the lower side plate, a plurality of spherical grooves (8) are arranged on the top surface of the lower side plate, and the connecting hole (9) is provided through and between the molding plate (12) and the upper side plate, and the connecting hole (9) corresponds to the spherical groove (8).

5. The auxiliary demoulding structure for an O-ring according to claim 4, characterized in that: A limiting plate is arranged on the inner side of the bottom end of the connection hole (9); the blocking block (19) is movably connected to the outer side of the limiting plate; a spring (20) is connected between the limiting plate and the blocking block (19); the bottom end of the blocking block (19) is hemispherical; the blocking block (19) is matched with the spherical groove (8); and the forming plate (12) is a heating and pressurizing plate.

6. The auxiliary demoulding structure for an O-ring according to claim 5, characterized in that: A plurality of connecting rods (15) are arranged and installed on the bottom surface of the top plate (11), and the connecting rods (15) are all inserted into the connecting holes (9). A transmission air pipe is connected between the vent hole (16) and the air pump (2), and the air pump (2) and the connecting rods (15) are connected via a pipeline.

7. The auxiliary demoulding structure for an O-ring according to claim 6, characterized in that: The sprayer (3) is provided with a storage bin, in which a release agent (17) is placed, a slide groove is provided on the top surface of the sprayer (3), a slider is connected between the inner walls of the slide groove, a spray bar (4) is installed on the slider, and the spray bar (4) is connected to the storage bin by a pipeline.