Polytetrafluoroethylene pipe cutting device
By using a flip-up support assembly and a limiting plate structure, the problem of positioning and cutting pipes of different diameters in existing devices has been solved, achieving wider applicability and cutting stability.
Patent Information
- Application Number
- CN202423306295.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-31
- Publication Date
- 2025-12-23
- Estimated Expiration
- 2034-12-31
AI Technical Summary
Existing PTFE pipe cutting devices cannot perform positioning and cutting of pipes of different diameters, resulting in a limited range of applications.
The system employs a flip support assembly and a limiting plate structure. The flip support assembly adapts to different diameters by switching between the first and second arc-shaped support blocks, while the limiting plate prevents pipe offset through elastic connection, ensuring cutting accuracy.
It enables flexible cutting of pipes of different diameters, prevents cutting deviation, expands the applicability of the cutting device, and improves the stability and flexibility of cutting.
Smart Images

Figure CN223700946U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of pipe cutting technology, specifically a polytetrafluoroethylene (PTFE) pipe cutting device. Background Technology
[0002] Polytetrafluoroethylene (PTFE) has excellent chemical stability, resisting all strong acids, strong alkalis, and strong oxidants, and does not react with various organic solvents. PTFE tubes are produced using high-quality plunger extrusion and special processing technology to tightly bond the steel and plastic tubes. During production, the tubes need to be cut to the required length using a cutting device.
[0003] Patent document CN216990114U discloses a pipe cutting device, which states that "the pipe cutting device obtained by this utility model can arbitrarily adjust the angle of the pipe cutting surface while ensuring the stability and reliability of the cutting."
[0004] However, the pipe cutting device in the aforementioned published literature mainly considers how to ensure the stability of the pipe cutting, but it cannot position and cut pipes of different diameters, thus limiting its application.
[0005] In view of this, it is necessary to develop a polytetrafluoroethylene (PTFE) pipe cutting device, which would enable the cutting device to be used for a wider range of pipe cutting applications. Utility Model Content
[0006] The purpose of this utility model is to provide a polytetrafluoroethylene (PTFE) pipe cutting device to solve the technical problem mentioned in the background art that the pipe cutting device cannot be positioned and cut for pipes of different diameters, thus limiting the scope of application of the cutting device.
[0007] To achieve the above objectives, this utility model provides the following technical solution: a polytetrafluoroethylene (PTFE) pipe cutting device, comprising: a mounting platform, the top of which is provided with a mounting groove, and a flip support assembly installed inside the mounting groove. The flip support assembly includes a connecting block, a first arc-shaped support block, a second arc-shaped support block, a rotating shaft, and a fixing hole. The first arc-shaped support block is installed on the top of the connecting block, the second arc-shaped support block is installed on the bottom of the connecting block, the rotating shaft is symmetrically installed on the front and back of the connecting block, and the rotating shaft is rotatably connected to the mounting groove. The fixing hole is opened through one end of the rotating shaft.
[0008] Preferably, a fixing bolt is installed through the top of the mounting platform, the fixing bolt is located in front of the mounting groove, and the fixing bolt is threadedly connected to the fixing hole.
[0009] Preferably, the top of the mounting table is provided with a right-angle plate, the right-angle plate is located at one side of the mounting groove, and a fixing screw rod is arranged through the top of the right-angle plate.
[0010] Preferably, the top of the mounting table is provided with a moving groove, a connecting groove is symmetrically arranged on the front inner wall of the moving groove, a connecting spring is arranged in the connecting groove, one end of the connecting spring is provided with a connecting rod, one end of the connecting rod is provided with a limiting plate, and the limiting plate is slidably embedded in the moving groove.
[0011] Preferably, the top of the mounting table is provided with a mounting frame, a controller is arranged on one side of the mounting frame, a hydraulic cylinder is arranged on the top of the mounting frame, and the output end of the hydraulic cylinder is arranged through the top inner wall of the mounting frame.
[0012] Preferably, the output end of the hydraulic cylinder is provided with a moving plate, and the bottom of the moving plate is provided with a cutting knife.
[0013] Compared with the prior art, the utility model has the advantages that:
[0014] 1. The mounting groove provides a mounting position for the turnover supporting assembly, the first arc-shaped supporting block and the second arc-shaped supporting block in the turnover supporting assembly are used for supporting the pipe material during cutting, the size of the first arc-shaped supporting block is larger than that of the second arc-shaped supporting block, the first arc-shaped supporting block and the second arc-shaped supporting block can be switched to support and cut pipe materials of different sizes, the cutting range of the cutting device for the pipe material is wider, and the cutting device is more flexible to use.
[0015] 2. In order to prevent the pipe material from deviating and tilting, or the cutting positions of multiple pipe materials from being inconsistent during cutting, the elastic limiting plate is arranged to limit one end of the pipe material, the positions of the two pipe materials are uniform, the one end of the pipe material can be in a horizontal state when the one end of the pipe material contacts the limiting plate, the cutting opening is prevented from tilting due to deviation of the pipe material, and the position of the limiting plate can be pushed by the one end of the pipe material, so that the limiting plate is more flexible to use. BRIEF DESCRIPTION OF DRAWINGS
[0016] Figure 1 It is a whole structure schematic view of the utility model;
[0017] Figure 2 It is a turnover supporting assembly structure schematic view of the utility model;
[0018] Figure 3 It is a fixing screw rod structure schematic view of the utility model;
[0019] Figure 4 It is a moving groove structure schematic view of the utility model.
[0020] As shown in the figure, 1 is a mounting table, 2 is a mounting frame, 3 is a hydraulic cylinder, 4 is a controller, 5 is a moving plate, 6 is a cutting knife, 7 is a mounting groove, 8 is a fixing bolt, 9 is a turnover supporting assembly, 10 is a connecting block, 11 is a first arc-shaped supporting block, 12 is a second arc-shaped supporting block, 13 is a rotating shaft, 14 is a fixing hole, 15 is a right-angle plate, 16 is a fixing screw rod, 17 is a moving groove, 18 is a connecting groove, 19 is a connecting spring, 20 is a connecting rod, and 21 is a limiting plate. DETAILED DESCRIPTION
[0021] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.
[0022] In the description of the present application, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end", "the other end" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. In addition, the terms "first" and "second" are only for descriptive purposes and cannot be understood as indicating or implying relative importance.
[0023] In the description of the present application, it should be noted that, unless otherwise explicitly specified and limited, the terms "mounting", "provided with", "connected" and the like should be broadly understood, for example, "connected" can be fixedly connected, or can be detachably connected, or integrally connected; can be mechanically connected, or can be electrically connected; can be directly connected, or can be indirectly connected through an intermediate medium; can be the communication inside two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.
[0024] Please refer to Figure 1 , Figure 2 and Figure 3 , a polytetrafluoroethylene pipe cutting device;
[0025] It includes: installation platform 1 and turnover support assembly 9, the top of installation platform 1 is provided with installation slot 7, the inside of installation slot 7 is provided with turnover support assembly 9, turnover support assembly 9 includes connecting block 10, first arc-shaped support block 11, second arc-shaped support block 12, rotating shaft 13 and fixed hole 14, first arc-shaped support block 11 is installed at the top of connecting block 10, second arc-shaped support block 12 is installed at the bottom of connecting block 10, the symmetry of rotating shaft 13 is installed at the front and back of connecting block 10, and rotating shaft 13 is connected with installation slot 7, fixed hole 14 is provided through one end of rotating shaft 13, fixed bolt 8 is installed through the top of installation platform 1, fixed bolt 8 is located in front of installation slot 7, and fixed bolt 8 is screw-connected with fixed hole 14, the top of installation platform 1 is installed with right-angle plate 15, and right-angle plate 15 is located at one side of installation slot 7, and fixed screw rod 16 is installed through the top of right-angle plate 15;
[0026] Installation platform 1 provides installation position for the top installation slot 7, installation slot 7 provides installation position for turnover support assembly 9, first arc-shaped support block 11 and second arc-shaped support block 12 in turnover support assembly 9 are used to support when cutting pipe, the size of first arc-shaped support block 11 is greater than that of second arc-shaped support block 12, different size pipes can be supported and cut through switching of first arc-shaped support block 11 and second arc-shaped support block 12, connecting block 10 in turnover support assembly 9 is rotatably installed in the inside of installation slot 7 through rotating shaft 13, so that first arc-shaped support block 11 and second arc-shaped support block 12 can be switched and used through rotation of connecting block 10, after switching, rotating fixed bolt 8 into the inside of fixed hole 14 fixes rotating shaft 13, so that the turnover support assembly 9 is fixedly used, then the pipe is placed on the turnover support assembly 9, and the pipe is positioned by rotating fixed screw rod 16 to move the bottom end downward to press the pipe supported by the turnover support assembly 9.
[0027] Please refer to Figure 1 and Figure 4 , a polytetrafluoroethylene pipe cutting device;
[0028] It includes moving slot 17 and cutting knife 6, the top of installation platform 1 is provided with moving slot 17, the front inner wall of moving slot 17 is symmetrically provided with connecting slot 18, connecting spring 19 is installed in the inside of connecting slot 18, one end of connecting spring 19 is installed with connecting rod 20, one end of connecting rod 20 is installed with limiting plate 21, and limiting plate 21 is slidingly embedded in the inside of moving slot 17, the top of installation platform 1 is installed with mounting frame 2, one side of mounting frame 2 is installed with controller 4, the top of mounting frame 2 is installed with hydraulic cylinder 3, the output end of hydraulic cylinder 3 is installed through the top inner wall of mounting frame 2, the output end of hydraulic cylinder 3 is installed with moving plate 5, and the bottom of moving plate 5 is installed with cutting knife 6;
[0029] The moving groove 17 provides space for the movement of the limiting plate 21, the limiting plate 21 is installed through the connecting spring 19 and the connecting rod 20, when the pipe is placed in the cutting device for cutting, in order to prevent the pipe from deviating and tilting, or the cutting position is not uniform when cutting multiple pipes, the elastic installation of the limiting plate 21 makes one end of the pipe under the limiting of the limiting plate 21, the positions of two pipes can be uniform, and the one end of the pipe can be in a horizontal state when contacting with the limiting plate 21, avoiding the cutting port tilting caused by the deviation of the pipe, since the limiting plate 21 is elastically installed, the position can be pushed by one end of the pipe, so that the limiting plate 21 is more flexible, the mounting frame 2 provides an installation position for the hydraulic cylinder 3, the hydraulic cylinder 3 is controlled by the controller 4, the hydraulic cylinder 3 drives the moving plate 5 at the output end to move downward, so that the cutting knife 6 moves downward to cut the pipe.
[0030] The working principle is that first, the device is placed in the position to be used through the installation table 1, the first arc-shaped supporting block 11 or the second arc-shaped supporting block 12 is selected to be used by turning over the supporting assembly 9, the pipe to be cut is supported by turning over the supporting assembly 9, one end of the pipe is limited by the limiting plate 21, the fixed screw 16 is rotated to apply pressure to the pipe, avoiding the movement of the pipe during cutting, the cutting knife 6 connected to the output end is driven by the hydraulic cylinder 3 to move downward to cut the pipe.
[0031] It is obvious for those skilled in the art that the present application is not limited to the details of the above exemplary embodiments, and can be implemented in other specific forms without departing from the spirit or essential characteristics of the present application. Therefore, the embodiments should be regarded as exemplary and non-limiting, the scope of the present application is defined by the appended claims rather than the above description, and all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present application. Any reference signs in the claims should not be regarded as limiting the claims.
Claims
1. A polytetrafluoroethylene pipe cutting device characterized by comprising: The application relates to a flip supporting assembly, which comprises a mounting table (1), a mounting groove (7) formed in the top of the mounting table (1), a flip supporting assembly (9) mounted in the mounting groove (7), the flip supporting assembly (9) comprising a connecting block (10), a first arc-shaped supporting block (11), a second arc-shaped supporting block (12), a rotating shaft (13) and a fixing hole (14), the first arc-shaped supporting block (11) being mounted on the top of the connecting block (10), the second arc-shaped supporting block (12) being mounted on the bottom of the connecting block (10), the symmetrical rotating shaft (13) being mounted on the front and back surfaces of the connecting block (10) and being rotationally connected with the mounting groove (7), and the fixing hole (14) being formed in one end of the rotating shaft (13).
2. A polytetrafluoroethylene tubing cutting device according to claim 1, wherein: A fixing bolt (8) is mounted on the top of the mounting table (1) and is located in front of the mounting groove (7) and is in threaded connection with the fixing hole (14).
3. A polytetrafluoroethylene tubing cutting device according to claim 1, wherein: A right-angle plate (15) is mounted on the top of the mounting table (1) and is located on one side of the mounting groove (7), and a fixing screw rod (16) is mounted on the top of the right-angle plate (15).
4. A polytetrafluoroethylene tubing cutting device according to claim 1, wherein: A moving groove (17) is formed in the top of the mounting table (1), a connecting groove (18) is symmetrically formed in the front inner wall of the moving groove (17), a connecting spring (19) is mounted in the connecting groove (18), a connecting rod (20) is mounted on one end of the connecting spring (19), a limiting plate (21) is mounted on one end of the connecting rod (20), and the limiting plate (21) is slidingly embedded in the moving groove (17).
5. A polytetrafluoroethylene tubing cutting device according to claim 1, wherein: A mounting frame (2) is mounted on the top of the mounting table (1), a controller (4) is mounted on one side of the mounting frame (2), a hydraulic cylinder (3) is mounted on the top of the mounting frame (2), and the output end of the hydraulic cylinder (3) penetrates the top inner wall of the mounting frame (2).
6. A polytetrafluoroethylene tubing cutting device according to claim 5, wherein: A moving plate (5) is mounted on the output end of the hydraulic cylinder (3), and a cutting knife (6) is mounted on the bottom of the moving plate (5).
Citation Information
Patent Citations
Pipe cutting device
CN216990114U