Butt joint device for plastic pipes
By using outward-expanding fixing components and a motor-driven threaded rod structure, the problem of uneven clamping in existing plastic pipe docking devices is solved, achieving stability and adaptability while reducing construction complexity and cost.
Patent Information
- Application Number
- CN202423228379.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-26
- Publication Date
- 2025-12-05
- Estimated Expiration
- 2034-12-26
AI Technical Summary
Existing plastic pipe fitting devices are prone to uneven stress on the pipes during clamping, which may cause deformation or damage. They are also unable to adapt to pipes of different sizes and shapes, increasing construction complexity and cost.
It employs an outward-expanding fixing component, and achieves stable pipe movement through a slider and gear structure. Combined with a motor-driven threaded rod and extrusion block, it achieves uniform clamping and expansion of the pipe, adapting to pipes of different diameters and shapes.
It improves the stability and reliability of pipe connections, reduces pipe damage, increases processing efficiency, and adapts to pipes of different sizes and shapes, thereby reducing construction complexity and costs.
Smart Images

Figure CN223631034U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field that plastic tubular product butted, concretely is a kind of butt joint device for plastic tubular product. BACKGROUND
[0002] Plastic material has become the most widely used polymer material at present because of its excellent performance and easy processing, so there are more and more plastic products in people's production and life, and welding plastic products is a common process step, and a butt joint device is usually used to butt weld plastic products in the welding process step.
[0003] For example, a butt joint device for plastic tubular product with patent announcement No.CN221968977U, in the utility model, by fixing the two plastic tubular products to be butt jointed on the two pipe clamping discs, when clamping the pipe, the pipe end is placed between the V-shaped clamps on both sides of the pipe clamping disc, the V-shaped clamps are pushed together by rotating the two side screws driven by the rotating wheel, the pipe is clamped, the V-shaped clamping structure is used, which is suitable for processing plastic tubular products of various specifications within a certain range, and has high flexibility, and when welding, the cylinder stroke can be controlled according to the distance between the pipe and the hot melt welding head, so that the hot melt welding head is attached to the pipe joint, to adapt to the welding work of pipes of different diameters.
[0004] However, the above-mentioned device may cause uneven stress on the pipe, especially in the radial direction of the pipe, when it is used to butt joint plastic tubular product, which may cause deformation or damage of the pipe, affect the service life and safety of the pipe, and also may increase the safety hazard of the pipe system, such as increased risk of leakage, especially when conveying high pressure or toxic medium, the butt joint quality is particularly important, and the device that can only clamp inward may not be suitable for pipes of different sizes and shapes, which limits its application in diversified pipe systems. UTILITY MODEL CONTENTS
[0005] The utility model aims at providing a butt joint device for plastic tubular product to solve the problems in the above background technology.
[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a butt joint device for plastic tubular product, including support rod and bottom plate installed at the top end of support rod, moving assembly is set at the top end of bottom plate, moving assembly is used to move plastic tubular product, fixed component is set at the top end of moving assembly, and fixed component is used to fix plastic pipe;
[0007] The mobile assembly comprises a sliding groove, which is arranged at the top end of the bottom plate, a sliding block is slidably connected to the inner wall of the sliding groove, the sliding groove is matched with the sliding block, a rack is arranged at the top end of the outer wall of one side of the sliding block, a sliding block is arranged at the bottom end of the rack, and a sliding groove is arranged at the bottom end of the other side of the sliding block;
[0008] The fixing assembly comprises a supporting plate, which is arranged at the top end of the sliding block, a first motor is arranged on the outer wall of one side of the supporting plate, a rotating shaft is fixedly connected to the output end of the first motor and penetrates through the outer wall of one side of the supporting plate, and a mounting box is rotatably connected to the other end of the rotating shaft.
[0009] As a specific scheme of the technical scheme, the bottom end of the bottom plate is provided with a sliding rail, the outer wall of the sliding rail is slidably connected with the sliding groove, the sliding rail is matched with the sliding groove, a motor is arranged at the bottom end of the bottom plate, a gear is fixedly connected to the output end of the motor and penetrates through the top end of the bottom plate, and the gear is meshed with the rack.
[0010] As a specific scheme of the technical scheme, the inner wall of the mounting box is provided with a protection box at the bottom end, a second motor is arranged at the bottom end of the protection box, a threaded rod is fixedly connected to the output end of the second motor and penetrates through the top end of the protection box, a limiting block is arranged at the top end of the threaded rod, and an extrusion block is rotatably connected to the outer wall of the threaded rod.
[0011] As a specific scheme of the technical scheme, a limiting hole is arranged on the outer wall of one side of the mounting box, a sliding hole is arranged on the outer wall of one side of the limiting hole, a fixing block is arranged on the inner wall of the sliding hole, the fixing block is matched with the sliding hole, a spring is connected to the outer wall of one side of the fixing block, and the other end of the spring is connected to the inner wall of one side of the sliding hole.
[0012] Compared with the prior art, the beneficial effects of the utility model are as follows:
[0013] The plastic pipe butt joint device can better clamp the connecting pipe through the device for expanding the fixed pipeline, facilitate the sleeve to bake the connecting pipe, thereby improving the stability and reliability of the pipeline butt joint, the diameter of the pipeline can be expanded through the setting of the opening device, different sizes of the diameter are facilitated to be processed, convenience is provided for the user, the fixed device can be expanded outward to adapt to the pipeline, therefore, the damage to the plastic pipe is reduced in the fixing process, the integrity of the pipe is protected, the radial shrinkage of the PVC-O pipe in the heating process can be effectively prevented, and the processing efficiency is improved. BRIEF DESCRIPTION OF DRAWINGS
[0014] Figure 1 It is a main body structure schematic view of the utility model;
[0015] Figure 2 It is a mobile assembly structure schematic view of the utility model;
[0016] Figure 3 It is a fixing assembly structure schematic view of the utility model;
[0017] Figure 4 The utility model discloses a Figure 1 The enlarged schematic view of the fixed assembly A.
[0018] In the figure: 1, support rod, 2, bottom plate, 3, moving assembly, 301, sliding groove, 302, sliding block, 303, rack, 304, gear, 305, slide rail, 306, sliding block, 307, sliding groove, 4, fixed assembly, 401, support plate, 402, first motor, 403, rotating shaft, 404, installation box, 405, fixed block, 406, second motor, 407, threaded rod, 408, limit block, 409, spring, 410, sliding hole, 411, extrusion block. DETAILED DESCRIPTION
[0019] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.
[0020] It should be noted that, in the description of the utility model, the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model 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 utility model.
[0021] In addition, it should be understood that, for the convenience of description, the sizes of various components shown in the drawings are not drawn in accordance with the actual proportional relationship, for example, the thickness or width of certain layers can be exaggerated relative to other layers.
[0022] It should be noted that similar reference numerals and letters represent similar items in the following drawings, and therefore, once an item is defined or described in one drawing, it will not need to be further specifically discussed and described in the description of subsequent drawings.
[0023] As Figures 1-4 shown, a butt joint device for plastic pipe material includes a support rod 1 and a bottom plate 2 mounted at the top end of the support rod 1, a moving assembly 3 arranged at the top end of the bottom plate 2, the moving assembly 3 being used for moving the plastic pipe material, and a fixed assembly 4 arranged at the top end of the moving assembly 3, the fixed assembly 4 being used for fixing the plastic pipe.
[0024] AsFigure 2 As shown in the drawings, in order to move the plastic pipe, a moving assembly 3 is arranged at the top end of the bottom plate 2. Specifically, the moving assembly 3 comprises a sliding groove 301 arranged at the top end of the bottom plate 2, a sliding block 302 slidably connected to the inner wall of the sliding groove 301, the sliding groove 301 being matched with the sliding block 302, a rack 303 arranged at the top end of the outer wall of one side of the sliding block 302, a sliding block 306 arranged at the bottom end of the other side of the sliding block 302, a sliding groove 307 arranged at the bottom end of the other side of the sliding block 306, a sliding rail 305 arranged at the bottom end of the bottom plate 2, the outer wall of the sliding rail 305 being slidably connected to the sliding groove 307, the sliding rail 305 being matched with the sliding groove 307, a motor arranged at the bottom end of the bottom plate 2, the output end of the motor penetrating through the top end of the bottom plate 2 and fixedly connected with a gear 304, and the gear 304 being engaged with the rack 303. It should be noted that in the present embodiment, the motor serves as the power source of the moving assembly 3, the output end of the motor penetrating through the top end of the bottom plate 2 and fixedly connected with the gear 304, the gear 304 being engaged with the rack 303, the motor driving the gear 304 to rotate and engage with the rack 303, driving the sliding block 302 arranged at the bottom end of the rack 303 to slide along the inner wall of the sliding groove 301 arranged at the top end of the bottom plate 2, so that the sliding block 306 arranged at the top end of the rack 303 moves, and the sliding groove 307 arranged at the bottom end of the sliding block 306 slides along the sliding rail 305 arranged at the top end of the bottom plate 2, the sliding groove 307 being matched with the sliding rail 305. It should also be noted that the moving assembly 3 is not limited in particular and can be any structure that can move the plastic pipe, such as a turbine and a worm, a threaded rod and a threaded sleeve. Since these are prior art, no further description is given here.
[0025] As Figures 3-4As shown, in order to fix the plastic pipe, a fixing assembly 4 is arranged at the top end of the moving assembly 3, specifically, the fixing assembly 4 comprises a support plate 401, the support plate 401 is arranged at the top end of the sliding block 306, a first motor 402 is mounted on one side outer wall of the support plate 401, a rotating shaft 403 is fixedly connected to the output end of the first motor 402 and penetrates through one side outer wall of the support plate 401, a mounting box 404 is rotatably connected to the other end of the rotating shaft 403, a protection box is arranged at the inner wall bottom end of the mounting box 404, a second motor 406 is mounted on the bottom end of the protection box, a threaded rod 407 is fixedly connected to the output end of the second motor 406 and penetrates through the top end of the protection box, a limiting block 408 is arranged at the top end of the threaded rod 407, an extrusion block 411 is rotatably connected to the outer wall of the threaded rod 407, a limiting hole is formed in one side outer wall of the mounting box 404, a sliding hole 410 is formed in one side outer wall of the limiting hole, a fixed block 405 is arranged at the inner wall of the sliding hole 410, the fixed block 405 is matched with the sliding hole 410, a spring 409 is connected to one side outer wall of the fixed block 405, and the other end of the spring 409 is connected to one side inner wall of the sliding hole 410. It needs to be clear that in the embodiment of the application, the first motor 402 serves as the power source of the rotating structure of the fixing assembly 4, the output end of the first motor 402 penetrates through one side outer wall of the support plate 401 and is fixedly connected with the rotating shaft 403, the other end of the rotating shaft 403 is rotatably connected with the mounting box 404, the first motor 402 drives the rotating shaft 403 to rotate, thereby driving the mounting box 404 to rotate, so that the plastic pipe fixed on the mounting box 404 can rotate and be welded, and it also needs to be clear that in the embodiment of the application, the second motor 406 serves as the power source of the expanding structure of the fixing assembly 4, the output end of the second motor 406 penetrates through the top end of the protection box and is fixedly connected with the threaded rod 407, the extrusion block 411 is rotatably connected to the outer wall of the threaded rod 407, the second motor 406 drives the threaded rod 407 to rotate, thereby driving the extrusion block 411 to ascend and descend, the outer wall of the extrusion block 411 is at an angle of 45 degrees, when the extrusion block 411 ascends, the fixed block 405 at the inner wall of the sliding hole 410 will slide outward and extrude the spring 409 connected to one side of the fixed block 405, when sliding outward, it can support and fix the inner wall of the plastic pipe, when it is needed to take down the plastic pipe, the second motor 406 drives the threaded rod 407 to rotate reversely, so that the extrusion block 411 descends and does not extrude and slide the fixed block 405 outward, thereby the spring 409 rebounds and pushes the fixed block 405 inward, so that the welded plastic pipe can be taken down.
[0026] It also needs to be clear that in the application, all power sources are connected with external power sources, which are prior art and will not be described here.
[0027] Although the embodiments of the present application have been shown and described, it is to be understood that for the purpose of the present application, the embodiments can be changed, modified, replaced and varied in many ways without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended embodiments and their equivalents.
Claims
1. A butt joint device for plastic pipes, comprising a support rod (1) and a base plate (2) mounted at the top end of the support rod (1), characterized in that: The mobile assembly (3) is arranged at the top end of the bottom plate (2), and is used for moving the plastic pipe; the fixing assembly (4) is arranged at the top end of the mobile assembly (3), and is used for fixing the plastic pipe; The mobile assembly (3) comprises a sliding groove (301) arranged at the top end of the bottom plate (2), wherein the inner wall of the sliding groove (301) is slidably connected with a sliding block (302), the sliding groove (301) is matched with the sliding block (302), the outer wall of one side of the sliding block (302) is provided with a rack (303), the bottom end of the rack (303) is provided with a sliding block (306), and the other side of the bottom end of the sliding block (306) is provided with a sliding groove (307). The fixing assembly (4) comprises a supporting plate (401) arranged at the top end of the sliding block (306), wherein the outer wall of one side of the supporting plate (401) is provided with a first motor (402), the output end of the first motor (402) penetrates through the outer wall of one side of the supporting plate (401) and is fixedly connected with a rotating shaft (403), and the other end of the rotating shaft (403) is rotatably connected with a mounting box (404).
2. A butt joining apparatus for plastic pipe according to claim 1, wherein: The bottom end of the bottom plate (2) is provided with a sliding rail (305), the outer wall of the sliding rail (305) is slidably connected with the sliding groove (307), the sliding rail (305) is matched with the sliding groove (307), the bottom end of the bottom plate (2) is provided with a motor, the output end of the motor penetrates through the top end of the bottom plate (2) and is fixedly connected with a gear (304), and the gear (304) is meshed with the rack (303).
3. A butt joining device for plastic pipe according to claim 1, wherein: The bottom end of the inner wall of the mounting box (404) is provided with a protection box, the bottom end of the protection box is provided with a second motor (406), the output end of the second motor (406) penetrates through the top end of the protection box and is fixedly connected with a threaded rod (407), the top end of the threaded rod (407) is provided with a limiting block (408), the outer wall of the threaded rod (407) is rotatably connected with an extrusion block (411).
4. A butt joining apparatus for plastic pipe according to claim 1, wherein: The outer wall of one side of the mounting box (404) is provided with a limiting hole, the outer wall of one side of the limiting hole is provided with a sliding hole (410), the inner wall of the sliding hole (410) is provided with a fixing block (405), the fixing block (405) is matched with the sliding hole (410), the outer wall of one side of the fixing block (405) is connected with a spring (409), and the other end of the spring (409) is connected with the inner wall of one side of the sliding hole (410).
Citation Information
Patent Citations
Butt joint device for plastic pipes
CN221968977U