Rubber sealing ring trimming device

By designing a rubber seal ring trimming device including a fixing plate, a press plate and a screw sleeve, the fixing of the seal ring and the position adjustment of the cutting knife is achieved by using a hydraulic cylinder and a motor, the problem of difficulty in adjusting the existing device is solved and the excellent trimming effect is ensured.

CN222590453UActive Publication Date: 2025-03-11JINAN HONGDE RUBBER & PLASTIC CO LTD
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Patent Information

Application Number
CN202420640545.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-03-30
Publication Date
2025-03-11
Estimated Expiration
2034-03-30

AI Technical Summary

Technical Problem

The existing rubber seal ring trimming device is difficult to adjust accordingly according to the seal ring of different sizes, resulting in uneven trimming or over-trimming, affecting the performance and function of the seal ring.

Method used

A rubber seal ring trimming device is designed, including a fixing plate, a press plate and a screw sleeve. The cage is driven down by the hydraulic cylinder. The press plate presses the seal ring tightly and fixes the seal ring. The handwheel is used to rotate the screw to move the cutting knife, and the fixing rod is driven by the motor to rotate, so as to adjust the position of the cutting knife.

Benefits of technology

After fixing the rubber seal ring, the position of the cutting knife is adjusted according to its outer diameter to ensure excellent trimming effect, and solve the problem that the trimming device is inconvenient to adjust.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of rubber sealing rings, in particular to a rubber sealing ring trimming device which comprises a fixing plate, a first bearing, a pressing plate and a threaded sleeve, a fixing rod is fixedly installed on an inner ring of the first bearing, a movable plate is welded to the bottom of the fixing rod, and a hydraulic cylinder is installed at the bottom of the movable plate. A holding frame is installed at the bottom of the hydraulic cylinder, second bearings are installed on the two sides of the holding frame in an embedded mode correspondingly, lead screws are fixedly installed on inner rings of the two second bearings, the two threaded sleeves are connected with the lead screws in a meshed mode through threaded holes correspondingly, and cutting knives are installed at the bottoms of the two threaded sleeves correspondingly. A connecting frame is welded to the bottom of the retainer on the opposite sides of the two threaded sleeves, a third bearing is installed on the top of the pressing plate, and the bottom of the connecting frame is fixedly connected with an inner ring of the third bearing. The trimming device has the advantages that after the rubber sealing ring is fixed, the position of the cutting knife can be adjusted according to the diameter of the outer side of the rubber sealing ring, and the trimming effect is guaranteed.
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Description

Technical Field

[0001] The utility model relates to the technical field of rubber sealing rings, in particular to a rubber sealing ring trimming device. Background Art

[0002] Rubber sealing ring is a common sealing element used to prevent liquid or gas leakage at mechanical connections. It is usually made of rubber material and has good elasticity and wear resistance. Rubber sealing rings can adapt to different working environments and pressure requirements and are widely used in various industries. The rubber sealing ring trimming device is a device used to process the edge of the rubber sealing ring. It is mainly used in the production process of the sealing ring to trim the rubber material into the required shape and size to ensure that the sealing ring can effectively seal the gap between the connecting parts and prevent the leakage of liquid, gas or solid substances.

[0003] Different models of rubber seals have different sizes. If the trimming device cannot be adjusted to the correct size, it may not be able to properly trim the edge of the rubber seal, which may result in uneven trimming or over-trimming, thereby affecting the performance and function of the rubber seal, which may cause the rubber seal to not be properly installed in its intended location or equipment. Utility Model Content

[0004] The purpose of the utility model is to provide a rubber sealing ring trimming device, which has the advantage that after the rubber sealing ring is fixed, the position of the cutting knife can be adjusted according to the outer diameter of the rubber sealing ring to ensure the trimming effect, thereby solving the problem that the trimming device is inconvenient to make corresponding adjustments according to the size of the rubber sealing ring.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a rubber sealing ring trimming device, comprising a fixed plate, a pressure plate and a screw sleeve, a fixed frame welded on the top of the fixed plate, a bearing 1 is embedded and installed on the top of the fixed frame, a fixing rod is fixedly installed on the inner ring of the bearing 1, a motor is installed on the top of the fixed frame above the bearing 1, a movable plate is welded on the bottom of the fixed rod, a hydraulic cylinder is installed at the bottom of the movable plate, a retaining frame is installed at the bottom of the hydraulic cylinder, bearings 2 are embedded and installed on both sides of the retaining frame, two screws are fixedly installed on the inner rings of the two bearings 2, the two screw sleeves are respectively meshed with the screws through screw holes, cutting knives are respectively installed on the bottoms of the two screw sleeves, a connecting frame is welded on the bottom of the retaining frames on the opposite sides of the two screw sleeves, a bearing 3 is installed on the top of the pressure plate, and the bottom of the connecting frame is fixedly connected to the inner ring of the bearing 3.

[0006] When using a rubber sealing ring trimming device in the technical solution, a supporting force is provided to the fixed plate through the fixed seat, and the rubber sealing ring to be trimmed is placed on the top of the workbench. The hydraulic cylinder drives the retaining frame to descend, so that the pressure plate under the retaining frame contacts the rubber sealing ring on the top of the workbench. The pressure plate presses the rubber sealing ring and fixes it on the top of the workbench. The hand wheel is used to rotate the screw rod, and the two screw sleeves move in relative or opposite directions on the rotating screw rod. The two screw sleeves drive the two cutting knives to move, so that the two cutting knives contact the outside of the rubber sealing ring. The motor drives the fixed rod to rotate through the transmission structure. The fixed rod drives the cutting knife to rotate through the hydraulic cylinder and the retaining frame, and the cutting knife trims the outside of the rubber sealing ring.

[0007] Preferably, the motor transmission structure is fixedly connected to the top of the fixing rod. The motor drives the fixing rod to rotate through the transmission structure.

[0008] Preferably, two movable rods are symmetrically welded on the top of the retainer, and two movable holes are symmetrically opened on the movable plate, and the tops of the two movable rods extend into the two movable holes respectively. The movable rods limit the retainer, and when the retainer is fixed, the movable rods are inserted into the inner wall of the movable hole to prevent the retainer from shaking.

[0009] Preferably, a hand wheel is installed at one end of the screw rod, and the screw rod can be rotated by using the hand wheel.

[0010] Preferably, the threads of the outer wall of the screw rod are relatively divided. The two screw sleeves can move on the screw rod in relative and opposite directions.

[0011] Preferably, a slide rod is installed on the top of the two screw sleeves respectively, a slide groove is provided on the top of the inner top of the retaining frame, and the two slide rods are slidably connected with the slide groove. The slide rod limits the screw sleeve, and when the screw sleeve moves on the screw rod, the slide rod slides in the slide groove.

[0012] Preferably, a workbench is installed on the top of the fixed plate below the pressing plate, and fixing seats are installed at the four corners of the bottom of the fixed plate. The rubber sealing ring to be trimmed is placed on the workbench, and the fixing seats provide support for the fixed plate.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] The utility model provides a pressing plate, a screw rod and a cutting knife, and a hydraulic cylinder drives a retaining frame to descend, so that the pressing plate under the retaining frame contacts with the rubber sealing ring on the top of the workbench, and the pressing plate presses and fixes the rubber sealing ring on the top of the workbench, and a hand wheel is used to rotate the screw rod, and two screw sleeves move in relative or opposite directions on the rotating screw rod, and the two screw sleeves drive two cutting knives to move, so that the two cutting knives contact with the outer sides of the rubber sealing ring, and the motor drives the fixing rod to rotate through the transmission structure, and the fixing rod drives the cutting knife to rotate through the hydraulic cylinder and the retaining frame, and the cutting knife trims the outer side of the rubber sealing ring, so that after the rubber sealing ring is fixed, the position of the cutting knife can be adjusted according to the outer diameter of the rubber sealing ring to ensure the trimming effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the three-dimensional structure of the utility model from a first angle;

[0016] Figure 2 This is a schematic diagram of the three-dimensional structure of the utility model from a second angle;

[0017] Figure 3 This is a schematic diagram of the cross-sectional structure of the movable plate of the utility model;

[0018] Figure 4 It is a schematic diagram of the connecting frame structure of the utility model.

[0019] In the figure: 1. fixed plate; 2. fixed frame; 3. motor; 4. bearing 1; 5. retaining frame; 6. bearing 2; 7. cutting knife; 8. connecting frame; 9. bearing 3; 10. pressure plate; 11. workbench; 12. movable rod; 13. hydraulic cylinder; 14. movable plate; 15. screw sleeve; 16. screw rod; 17. hand wheel; 18. fixed seat; 19. movable hole; 20. slide rod; 21. slide groove. DETAILED DESCRIPTION

[0020] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the specific implementation methods of the present invention are described in detail below with reference to the accompanying drawings.

[0021] In the following description, many specific details are set forth to facilitate a full understanding of the present invention, but the present invention may also be implemented in other ways different from those described herein, and those skilled in the art may make similar generalizations without violating the connotation of the present invention. Therefore, the present invention is not limited to the specific implementation methods disclosed below.

[0022] Secondly, the present invention is described in detail with reference to the schematic diagram. When describing the implementation of the present invention, for the sake of convenience, the cross-sectional diagram showing the device structure will not be partially enlarged according to the general scale, and the schematic diagram is only an example, which should not limit the scope of protection of the present invention. In addition, in actual production, the three-dimensional dimensions of length, width and depth should be included.

[0023] In order to make the purpose, technical solution and advantages of the present invention more clear, the implementation mode of the present invention will be further described in detail below with reference to the accompanying drawings.

[0024] Embodiment 1

[0025] like Figure 1-Figure 4 As shown, a rubber sealing ring trimming device proposed by the utility model comprises a fixing plate 1, a pressing plate 10 and a screw sleeve 15, a fixing frame 2 is welded on the top of the fixing plate 1, a bearing 4 is embedded and installed on the top of the fixing frame 2, a fixing rod is fixedly installed on the inner ring of the bearing 4, a motor 3 is installed on the top of the fixing frame 2 above the bearing 4, a transmission structure of the motor 3 is fixedly connected to the top of the fixing rod, a movable plate 14 is welded on the bottom of the fixing rod, a hydraulic cylinder 13 is installed on the bottom of the movable plate 14, a retaining frame 5 is installed on the bottom of the hydraulic cylinder 13, two movable rods 12 are symmetrically welded on the top of the retaining frame 5, the movable plate 14 is symmetrically provided with two movable holes 19, and the tops of the two movable rods 12 are respectively Extending into the two movable holes 19, bearings 2 6 are embedded and installed on both sides of the retaining frame 5, the inner rings of the two bearings 2 6 are fixedly installed with screws 16, the threads on the outer walls of the screws 16 are relatively divided, and a handwheel 17 is installed at one end of the screw 16. The two screw sleeves 15 are respectively meshed and connected with the screws 16 through screw holes, and cutting knives 7 are respectively installed at the bottom of the two screw sleeves 15. A connecting frame 8 is welded to the bottom of the retaining frame 5 on the opposite side of the two screw sleeves 15, a bearing 3 9 is installed on the top of the pressure plate 10, and the bottom of the connecting frame 8 is fixedly connected to the inner ring of the bearing 3 9, a workbench 11 is installed on the top of the fixed plate 1 below the pressure plate 10, and fixed seats 18 are respectively installed at the four corners of the bottom of the fixed plate 1.

[0026] In this embodiment, the fixing plate 1 is provided with supporting force through the fixing seat 18, the rubber sealing ring that needs to be trimmed is placed on the top of the workbench 11, and the hydraulic cylinder 13 drives the retaining frame 5 to descend, so that the pressure plate 10 under the retaining frame 5 contacts the rubber sealing ring on the top of the workbench 11, and the pressure plate 10 presses and fixes the rubber sealing ring on the top of the workbench 11, and the hand wheel 17 is used to rotate the screw rod 16, and the two screw sleeves 15 move in relative or opposite directions on the rotating screw rod 16, and the two screw sleeves 15 drive the two cutting knives 7 to move, so that the two cutting knives 7 contact the outside of the rubber sealing ring, and the motor 3 drives the fixed rod to rotate through the transmission structure, and the fixed rod drives the cutting knife 7 to rotate through the hydraulic cylinder 13 and the retaining frame 5, and the cutting knife 7 trims the outside of the rubber sealing ring.

[0027] Embodiment 2

[0028] like Figure 1-Figure 4 As shown, a rubber sealing ring trimming device proposed by the utility model, compared with the first embodiment, this embodiment also includes: a sliding rod 20 and a sliding groove 21, the sliding rods 20 are respectively installed on the top of the two screw sleeves 15, the sliding groove 21 is opened on the top of the inner top of the retaining frame 5, and the two sliding rods 20 are slidably connected with the sliding groove 21.

[0029] In this embodiment, the screw sleeve 15 is limited by the sliding rod 20 . When the screw sleeve 15 moves on the screw rod 16 , the sliding rod 20 slides in the sliding groove 21 .

[0030] 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.

[0031] Finally, it should be noted that 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. A rubber sealing ring trimming device, comprising a fixing plate (1), a pressing plate (10) and a threaded sleeve (15), characterized in that: A fixing frame (2) is welded to the top of the fixing plate (1), a bearing (4) is embedded and installed on the top of the fixing frame (2), a fixing rod is fixedly installed on the inner ring of the bearing (4), a motor (3) is installed on the top of the fixing frame (2) above the bearing (4), a movable plate (14) is welded to the bottom of the fixing rod, a hydraulic cylinder (13) is installed at the bottom of the movable plate (14), a retaining frame (5) is installed at the bottom of the hydraulic cylinder (13), and two sides of the retaining frame (5) are respectively embedded A bearing 2 (6) is installed in the insert, a screw rod (16) is fixedly installed on the inner rings of the two bearings 2 (6), the two screw sleeves (15) are respectively meshed and connected with the screw rod (16) through screw holes, a cutting knife (7) is respectively installed at the bottom of the two screw sleeves (15), a connecting frame (8) is welded at the bottom of the retaining frame (5) on the opposite side of the two screw sleeves (15), a bearing 3 (9) is installed on the top of the pressure plate (10), and the bottom of the connecting frame (8) is fixedly connected to the inner ring of the bearing 3 (9).

2. A rubber sealing ring trimming device according to claim 1, characterized in that: The transmission structure of the motor (3) is fixedly connected to the top of the fixing rod.

3. The rubber sealing ring trimming device according to claim 1, characterized in that: Two movable rods (12) are symmetrically welded on the top of the retaining frame (5), and two movable holes (19) are symmetrically opened on the movable plate (14). The tops of the two movable rods (12) extend into the two movable holes (19) respectively.

4. The rubber sealing ring trimming device according to claim 1, characterized in that: A hand wheel (17) is mounted on one end of the screw rod (16).

5. The rubber sealing ring trimming device according to claim 1, characterized in that: The threads on the outer wall of the screw rod (16) are in relatively divided sections.

6. The rubber sealing ring trimming device according to claim 1, characterized in that: Sliding rods (20) are respectively installed on the top of the two screw sleeves (15), and a sliding groove (21) is opened at the top of the inner part of the retaining frame (5), and the two sliding rods (20) are slidably connected with the sliding groove (21).

7. The rubber sealing ring trimming device according to claim 1, characterized in that: A workbench (11) is installed on the top of the fixed plate (1) below the pressing plate (10), and fixed seats (18) are respectively installed at the four corners of the bottom of the fixed plate (1).