A liquid silicone rubber o-ring trimming device

Abstract

The utility model discloses a liquid silicone rubber O type circle trimming equipment belongs to the technical field of trimming equipment, including work table, the both ends of one side of work table's top are equipped with two concave rollers, the inside of work table is equipped with drive motor, and the output shaft end of drive motor is equipped with drive gear, and the bottom of transmission shaft of concave roller bottom is equipped with transmission gear, and the top of work table is equipped with electric slide rail, and the top of electric slide rail is equipped with moving block, and the top of moving block is equipped with polishing motor, and the output shaft end of polishing motor is equipped with polishing disc, and through utilize two concave rollers and prop up O type circle, and utilize drive motor and cooperate drive gear and drive two transmission gears on both sides to carry out synchronous and same direction rotation, thereby realize the drive to O type circle, make it autorotation, cooperate polishing motor and its top polishing disc and carry out trimming treatment to O type circle, avoid the problem that polishing disc and O type circle do not contact or remove unstable, lead to the situation that influence trimming effect occurs.

Description

Technical Field

[0001] This utility model belongs to the technical field of trimming equipment, specifically relating to a liquid silicone rubber O-ring trimming device. Background Technology

[0002] Liquid silicone rubber O-rings are ring-shaped seals made of VMQ-methyl vinyl silicone rubber, belonging to silicone rubber products, with the code WC. Their chemical formula is mSiO2·nH2O. They possess properties such as high and low temperature resistance, sealing performance, and insulation, making them suitable for waterproof and sealing applications. During the production and processing of liquid silicone rubber O-rings, the molded O-rings require trimming to remove burrs.

[0003] According to patent number CN202421819425.0, a new energy motor O-ring trimming device includes: a chassis, a trimming mechanism on one side of the top of the chassis, an L-shaped frame at one end of the chassis, an electric cylinder mounted on the top of the L-shaped frame, a pressure plate rotatably mounted on the output end of the electric cylinder via a bearing, a turntable rotatably mounted on the chassis directly below the pressure plate, a bottom cylinder mounted on the top of the turntable via a connecting rod, and a centering mechanism inside the bottom cylinder.

[0004] The above solution still has certain defects in actual use. After the arc plate expands the O-ring, the O-ring part between two adjacent arc plates will be straightened, making it difficult for this part to contact the grinding machine during rotation, which will affect the trimming effect. Therefore, we propose a liquid silicone rubber O-ring trimming device. Utility Model Content

[0005] The purpose of this invention is to provide a liquid silicone rubber O-ring trimming device to solve the existing problems mentioned in the background art.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a liquid silicone rubber O-ring trimming device, comprising a worktable, concave rollers, and a grinding disc. Two concave rollers of the same height are mounted on both ends of the top side of the worktable via drive shafts. A drive motor is fixedly installed inside the worktable, and a drive gear is fixedly installed at the end of the output shaft of the drive motor. The bottom drive shafts of the two concave rollers extend to the top of the worktable and are movably connected to the worktable via bearings. A drive gear is provided at the bottom end of the drive shaft, and the two sides of the drive gear are respectively meshed with the two drive gears. An electric slide rail is horizontally mounted on the top of the worktable along the same straight line as the two drive shafts. A moving block is provided on the top of the electric slide rail, and a grinding motor is fixedly mounted on the top of the moving block. A grinding disc of the same height as the concave rollers is fixedly installed at the end of the output shaft of the grinding motor.

[0007] Preferably, a support frame is fixedly installed on one side of the top of the worktable, at the center of the two concave rollers. A guide motor is mounted on the top of the support frame. A turntable is fixedly installed at the end of the output shaft of the guide motor. Extension rods are welded to opposite sides of the outer periphery of the turntable. A first electric push rod is mounted at the end of the extension rod. A lifting frame is fixedly installed at the bottom of the first electric push rod. Through slots are opened at both ends of the bottom of the lifting frame corresponding to the recessed positions on the side of the concave rollers. A base plate is movably connected to one side of the bottom of the lifting frame.

[0008] Preferably, one end of the base plate is movably connected to one end of the bottom of the lifting frame via a pivot. A second electric push rod is provided at one end of the lifting frame near the pivot. Both ends of the second electric push rod are provided with movable connecting seats. The two ends of the second electric push rod are movably connected to the top end of one end of the lifting frame and the end of the base plate near the pivot via the provided movable connecting seats.

[0009] Preferably, a collection trough is provided on one side of the top of the workbench, and the collection trough is located on one side of the support frame.

[0010] Preferably, a stabilizing frame is provided on one side of the top of the movable block. The stabilizing frame has an L-shaped structure, and the top of the grinding disc is movably connected to the top wall of the stabilizing frame through a rotating shaft and bearings.

[0011] Preferably, a control panel is provided on the outer side of the workbench, and the control panel is fixedly installed on the outer side of the workbench by means of embedding.

[0012] Compared with the prior art, the beneficial effects of this utility model are:

[0013] 1. By using two concave rollers to support the O-ring, and using a drive motor and drive gears to drive two transmission gears on both sides to rotate synchronously and in the same direction, the O-ring is driven to rotate. At the same time, an electric slide rail drives a moving block to bring the grinding motor and its top grinding disc closer to the O-ring for edge trimming. This ensures stable edge trimming of the O-ring and avoids problems such as the grinding disc not contacting the O-ring or unstable contact, which would affect the trimming effect.

[0014] 2. By setting a turntable driven by a guide motor on the worktable, cooperating with the extension rod and the lifting frame at the bottom of the first electric push rod at its end, and opening a through groove with a base plate at the bottom of the lifting frame, and using the second electric push rod to drive the base plate, the function of unloading the trimmed O-rings can be realized, thereby improving the efficiency of trimming O-rings. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0016] Figure 2 This is a multi-angle structural schematic diagram of the present invention;

[0017] Figure 3 This is a schematic diagram of the drive gear and transmission gear structure of this utility model;

[0018] Figure 4 This is a schematic diagram of the lifting frame structure of this utility model.

[0019] In the diagram: 1. Workbench; 2. Control panel; 3. Concave roller; 4. Transmission gear; 5. Drive gear; 6. Drive motor; 7. Electric slide rail; 8. Moving block; 9. Grinding motor; 10. Grinding disc; 11. Stabilizer; 12. Support frame; 13. Guide motor; 14. Turntable; 15. Extension rod; 16. First electric push rod; 17. Lifting frame; 18. Through slot; 19. Base plate; 20. Second electric push rod; 21. Movable connecting seat; 22. Collection trough. Detailed Implementation

[0020] 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.

[0021] Please see Figure 1-4 This utility model provides a technical solution for a liquid silicone rubber O-ring trimming device: it includes a worktable 1, concave rollers 3, and a grinding disc 10. Two concave rollers 3 of the same height are installed at both ends of the top side of the worktable 1 via a drive shaft. A drive motor 6 is fixedly installed inside the worktable 1. A drive gear 5 is fixedly installed at the end of the output shaft of the drive motor 6. The bottom drive shafts of the two concave rollers 3 extend to the top of the inside of the worktable 1 and are movably connected to the worktable 1 via bearings. A drive gear 4 is provided at the bottom end of the drive shaft. The two sides of the drive gear 5 are respectively meshed with the two drive gears 4. An electric slide rail 7 is horizontally installed on the top of the worktable 1 along the same straight line as the two drive shafts. A moving block 8 is provided on the top of the electric slide rail 7. A grinding motor 9 is fixedly installed on the top of the moving block 8. A grinding disc 10 of the same height as the concave rollers 3 is fixedly installed at the end of the output shaft of the grinding motor 9.

[0022] Specifically, a support frame 12 is fixedly installed on one side of the top of the workbench 1, at the center of the two concave rollers 3. A guide motor 13 is mounted on the top of the support frame 12. A turntable 14 is fixedly installed at the end of the output shaft of the guide motor 13. An extension rod 15 is welded to both sides of the outer periphery of the turntable 14. A first electric push rod 16 is mounted at the end of the extension rod 15. A lifting frame 17 is fixedly installed at the bottom of the first electric push rod 16. Through slots 18 are opened at both ends of the bottom of the lifting frame 17 corresponding to the recessed positions on the side of the concave rollers 3. A base plate 19 is movably connected to one side of the bottom of the lifting frame 17.

[0023] Specifically, one end of the base plate 19 is movably connected to the bottom end of the lifting frame 17 via a pivot. A second electric push rod 20 is provided at the end of the lifting frame 17 near the pivot. Both ends of the second electric push rod 20 are provided with movable connecting seats 21. The two ends of the second electric push rod 20 are movably connected to the top end of one end of the lifting frame 17 and the end of the base plate 19 near the pivot via the movable connecting seats 21.

[0024] Specifically, a collection trough 22 is provided on one side of the top of the workbench 1, and the collection trough 22 is located on one side of the support frame 12.

[0025] Specifically, a stabilizing frame 11 is provided on one side of the top of the movable block 8. The stabilizing frame 11 has an L-shaped structure, and the top of the grinding disc 10 is movably connected to the top wall of the stabilizing frame 11 through a rotating shaft and bearing.

[0026] Specifically, a control panel 2 is provided on the outer side of the workbench 1. The control panel 2 is fixedly installed on the outer side of the workbench 1 by means of embedding.

[0027] In this embodiment, during use, the O-ring is placed inside two concave rollers 3, which stretch and fix the O-ring. Then, the drive motor 6 drives the drive gear 5 to rotate the two opposite transmission gears 4 in the same direction and synchronously. This allows the two transmission gears 4 to simultaneously drive the two concave rollers 3 to rotate in the same direction and synchronously via the transmission shaft. At the same time, the electric slide rail 7 drives the moving block 8 to move the grinding motor 9, and the grinding motor 9 drives the grinding disc 10 to rotate. The grinding disc 10 contacts the O-ring to achieve the purpose of trimming it. After trimming, the guide motor 13 drives the turntable 14 to rotate the extension rod 15. The guide motor 13 is a right-angle motor, which rotates the first electric push rod 16 at its end and the lifting frame 17 at its bottom to directly above the middle of the O-ring. Then, the retraction of the second electric push rod 20 drives the bottom plate 19 to open, and the first electric push rod 16 pushes the lifting frame 17 to move down, so that the two... Each through slot 18 corresponds to one of the two sides of the O-ring that has been straightened. As the lifting frame 17 moves downward, the straightened sides of the O-ring enter the interior of the two through slots 18 respectively. Then, the second electric push rod 20 pushes the base plate 19 from one end, causing the base plate 19 to separate the openings of the two through slots 18. After they are completely separated, the first electric push rod 16 pulls the lifting frame 17 upward, causing the middle part of the O-ring to be gradually lifted upward. Since the surface of the concave roller 3 is an arc-shaped structure, the two ends of the O-ring will gradually detach from the concave roller 3 until they are completely detached. Finally, the guide motor 13 drives the turntable 14 to rotate with the extension rod 15 and its end structure, so that the lifting frame 17 with the O-ring can rotate to the top of the collection tank 22. Finally, the second electric push rod 20 drives the base plate 19 to flip, so that the through slots 18 are opened, allowing the trimmed O-ring to fall into the collection tank 22 for collection, thus completing the trimming process of the O-ring.

[0028] It should be noted that, in this document, relational terms such as "first" and "second" are used merely to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, the phrase "comprising an element defined as..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.

[0029] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A liquid silicone rubber O-ring trimming device, comprising a worktable (1), a concave roller (3), and a grinding disc (10), characterized in that: Two concave rollers (3) of the same height are installed at both ends of the top side of the worktable (1) via a drive shaft. A drive motor (6) is fixedly installed inside the worktable (1). A drive gear (5) is fixedly installed at the end of the output shaft of the drive motor (6). The bottom drive shafts of the two concave rollers (3) extend to the top of the inside of the worktable (1) and are movably connected to the worktable (1) via bearings. A drive gear (4) is provided at the bottom end of the drive shaft. The two sides of the drive gear (5) are respectively meshed with the two drive gears (4). An electric slide rail (7) is horizontally installed on the top of the worktable (1) on the same straight line as the two drive shafts. A moving block (8) is provided on the top of the electric slide rail (7). A grinding motor (9) is fixedly installed on the top of the moving block (8). A grinding disc (10) of the same height as the concave roller (3) is fixedly installed at the end of the output shaft of the grinding motor (9).

2. The liquid silicone rubber O-ring trimming device according to claim 1, characterized in that: A support frame (12) is fixedly installed on the top of the workbench (1) on one side of the center position of the two concave rollers (3). A guide motor (13) is mounted on the top of the support frame (12). A turntable (14) is fixedly installed at the end of the output shaft of the guide motor (13). An extension rod (15) is welded on both opposite sides of the outer periphery of the turntable (14). A first electric push rod (16) is mounted at the end of the extension rod (15). A lifting frame (17) is fixedly installed at the bottom of the first electric push rod (16). A through groove (18) is opened at both ends of the bottom of the lifting frame (17) corresponding to the recessed position on the side of the concave roller (3). A base plate (19) is movably connected to one side of the bottom of the lifting frame (17).

3. The liquid silicone rubber O-ring trimming device according to claim 2, characterized in that: One end of the base plate (19) is movably connected to the bottom end of the lifting frame (17) via a pivot. A second electric push rod (20) is provided at the end of the lifting frame (17) near the pivot. Both ends of the second electric push rod (20) are provided with movable connecting seats (21). The two ends of the second electric push rod (20) are movably connected to the top end of the lifting frame (17) and the end of the base plate (19) near the pivot via the movable connecting seats (21).

4. The liquid silicone rubber O-ring trimming device according to claim 1, characterized in that: A collection trough (22) is provided on one side of the top of the workbench (1), and the collection trough (22) is located on one side of the support frame (12).

5. The liquid silicone rubber O-ring trimming device according to claim 1, characterized in that: A stabilizing frame (11) is provided on one side of the top of the moving block (8). The stabilizing frame (11) has an L-shaped structure. The top of the grinding disc (10) is movably connected to the top wall of the stabilizing frame (11) through a rotating shaft and bearing.

6. The liquid silicone rubber O-ring trimming device according to claim 1, characterized in that: A control panel (2) is provided on the outer side of the workbench (1), and the control panel (2) is fixedly installed on the outer side of the workbench (1) by means of inlay.

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