PTFE (Polytetrafluoroethylene) line pipe equipment

Abstract

The utility model discloses PTFE line pipe equipment which comprises a top plate, a middle plate and a rack which are sequentially arranged from top to bottom, the lower portion of the rack is connected with a bottom plate, the top plate is fixedly provided with a first elevator, the output end of the first elevator is connected with a core rod connecting shaft, the lower end of the core rod connecting shaft is fixedly connected with a core rod in an inserted mode, and the core rod is fixedly connected with the middle plate in an inserted mode. An extrusion die is connected to the lower end of the middle plate and connected to the surface of the core rod in a sleeving mode, a material cylinder is fixed to the upper surface of the rack and connected to the outer surface of the extrusion die in a sleeving mode, and a forming die is arranged at the lower end of the material cylinder and connected to the interior of the rack in a liftable mode. The center of the lifting seat, the center of the core rod connecting shaft and the center of the core rod are respectively provided with a threading hole, and a cable penetrates into the threading holes, so that a blank is wrapped on the surface of the cable under the action of extrusion, the wrapping of the outer layer of the cable is completed, and the production of the cable is realized.

Description

Technical Field

[0001] The utility model relates to the technical field of cable extrusion equipment, in particular to PTFE wire tube equipment. Background Art

[0002] Existing push extruders can generally only extrude plastic pipes, and the products produced are single and cannot meet the production needs of customers. Therefore, in order to improve the competitiveness of the equipment, the original pipe extrusion equipment is improved so that the equipment can produce both pipes and cables, expanding the product variety of the equipment and improving the competitiveness of the equipment. Utility Model Content

[0003] The purpose of the utility model is to provide a PTFE wire tube device, by opening a threading hole in the lifting seat, the core rod connecting shaft and the center of the core rod, the cable is passed through the threading hole, so that the blank is coated on the surface of the cable under the action of extrusion, completing the wrapping of the outer layer of the cable and realizing the production of the cable.

[0004] The utility model provides the following technical solution: PTFE wire tube equipment, including a top plate, a middle plate and a frame arranged in sequence from top to bottom, wherein a first lift is fixed on the top plate, and a lifting seat is connected to the internal thread of the first lift, and a connecting plate is fixed at the lower end of the lifting seat, and a core rod connecting shaft is connected to the connecting plate through a bearing, and the lower end of the core rod connecting shaft is also connected to the top plate through a bearing seat, and the lower end of the core rod connecting shaft is plugged and fixed with a core rod, and the lower end of the core rod is located in the frame, and the lower end of the middle plate is connected to an extrusion die, and the extrusion die is sleeved on the surface of the core rod, and a material cylinder is fixed on the upper surface of the frame, and the material cylinder is sleeved on the outer surface of the extrusion die, and a forming die is provided at the lower end of the material cylinder, and the forming die is connected in a liftable manner in the frame, and the centers of the lifting seat, the core rod connecting shaft and the core rod are all provided with wire threading holes, and the wire threading holes are used to pass cables.

[0005] Furthermore, a bearing seat is connected to the surface of the core rod connecting shaft, a synchronous pulley is inserted into the bearing seat, a rotating shaft is connected to the bearing in the base plate, a handwheel is connected to the lower end of the rotating shaft, and a driving synchronous pulley is also connected to the rotating shaft. The synchronous pulley and the driving synchronous pulley are connected by a belt, and the rotation of the handwheel is controlled to control the rotation of the driving synchronous pulley and the synchronous pulley, so that the core rod connecting shaft can drive the core rod to rotate, so that the core rod can rotate to adjust the concentricity, so that the thickness of the formed pipe or cable is evenly distributed.

[0006] Furthermore, a telescopic electric cylinder is fixed to the lower end of the base plate, and a clamping claw is connected to the output end of the telescopic electric cylinder. A lower mold base is connected to the outer surface of the forming mold, and an upper mold base is sleeved on the surface of the material cylinder. The upper and lower inner walls of the clamping claw are respectively inserted into the upper surface of the upper mold base and the lower surface of the lower mold base, clamping the upper mold base and the lower mold base together, thereby improving the sealing between the material cylinder and the forming mold.

[0007] Furthermore, an adjusting rod is provided at the upper end of the first elevator, and a fixing rod is also fixed on the top plate. A guide wheel is connected to the fixing rod, and the guide wheel is located on one side of the adjusting rod. The height of the guide wheel is adjusted by the fixing rod, and the height of the adjusting rod is adjusted according to the height of the workshop, so that the cable can ensure straightness into the core rod, thereby improving the molding quality of the cable.

[0008] Furthermore, a lifting electric cylinder is fixed on the surface of the frame, the output end of the lifting electric cylinder is connected to the middle plate, the lower end of the middle plate is fixed with a connecting seat, the lower end of the connecting seat is connected to the extrusion die, and the lifting electric cylinder is used to control the height of the middle plate, and further control the upper and lower positions of the extrusion die to extrude the blank.

[0009] Furthermore, a second elevator is fixed on the frame, an output end of the second elevator is connected to a forming mold fixing plate, the forming mold is mounted on the forming mold fixing plate, and the height of the forming mold is controlled by the second elevator.

[0010] Furthermore, a guide rod is fixed to the lower end of the frame surface, and the forming mold fixing plate is sleeved on the guide rod, so that the forming mold can move up and down more smoothly.

[0011] Compared with the prior art, the beneficial effects achieved by the present invention are as follows: by opening threading holes in the lifting seat, the core rod connecting shaft and the center of the core rod, the cable is passed through the threading hole, so that the blank is wrapped on the surface of the cable under the action of extrusion, completing the wrapping of the outer layer of the cable. At the same time, a rubber needle can be installed at the lower end of the core rod, so that the blank is formed into a PTFE hose between the rubber needle and the forming mold, thereby improving the production range of the equipment, and can produce both pipes and cables. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0013] Figure 1 It is a three-dimensional diagram of the overall structure of the utility model;

[0014] Figure 2 It is a front view of the overall structure of the utility model;

[0015] Figure 3 It is a side view of the overall structure of the utility model;

[0016] Figure 4 It is a cross-sectional view of the utility model;

[0017] Figure 5 It is a cross-sectional view of another perspective of the present invention;

[0018] Figure 6 It is a three-dimensional diagram of another perspective of the present invention;

[0019] In the figure: 1. Top plate; 11. Core rod connecting shaft; 111. Synchronous pulley; 12. Core rod; 13. First elevator; 131. Lifting seat; 14. Adjusting rod; 15. Connecting shaft; 16. Connecting plate; 17. Rotating shaft; 171. Driving synchronous pulley; 18. Handwheel; 2. Middle plate; 21. Lifting electric cylinder; 22. Connecting seat; 23. Extrusion die; 24. Cylinder; 241. Upper die seat; 25. Forming die; 251. Lower die seat; 3. Frame; 31. Guide rod; 32. Forming die fixing plate; 33. Second elevator; 4. Bottom plate; 41. Telescopic electric cylinder; 42. Clamping claw; 5. Threading hole; 6. Fixing rod; 7. Guide wheel. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0021] Example 1

[0022] See also Figures 1 to 6The utility model provides a technical solution: PTFE wire tube equipment, including a top plate 1, a middle plate 2 and a frame 3 arranged in sequence from top to bottom, the bottom of the frame 3 is connected to the bottom plate 4, the top plate 1 is connected to the top of the bottom plate 4 through a connecting shaft 15, a first lifter 13 is fixed on the top plate 1, the first lifter 13 is internally threadedly connected to a lift seat 131, the lower end of the lift seat 131 is fixed with a connecting plate 16, the connecting plate 16 is connected with a core rod connecting shaft 11 through a bearing, the lower end of the core rod connecting shaft 11 is hexagonal, and the lower end of the core rod connecting shaft 11 is also connected to the top plate 1 through a bearing seat, the lower end of the core rod connecting shaft 11 is plugged and fixed with a core rod 12, the lower end of the core rod 12 is located in the frame 3, and the first lifter 13 can control The up and down movement of the lifting seat 131 further drives the connecting plate 16 and the core rod connecting shaft 11 to move up and down, so that the core rod 12 moves up and down. The lower end of the middle plate 2 is connected to the extrusion die 23, and the extrusion die 23 is sleeved on the surface of the core rod 12. The middle plate 2 is controlled by the lifting cylinder 21 under the frame 3. The lifting cylinder 21 is used to control the up and down movement of the middle plate 2, driving the extrusion die 23 to move up and down, and the blank at the lower end of the extrusion die 23 is extruded. A material cylinder 24 is fixed to the upper surface of the frame 3. The material cylinder 24 is sleeved on the outer surface of the extrusion die 23. The lower end of the material cylinder 24 is used to place the PTFE blank. The lower end of the material cylinder 24 is provided with a forming die 25, and the forming die 25 is connected to the frame 3 in a liftable manner. The lifting seat 131 , the core rod connecting shaft 11 and the center of the core rod 12 are provided with a threading hole 5, the threading hole 5 is used to pass the cable, and when the cable wrapping layer is extruded, the cable is passed through the threading hole 5, and the forming die 25 is first moved downward to increase the distance between the forming die 25 and the material cylinder 24, so as to facilitate the annular PTFE blank to be sleeved on the outer surface of the core rod 12 and located at the lower end of the extrusion die 23, and then the forming die 25 is installed at the lower end of the material cylinder 24, and then the descent of the middle plate 2 is controlled to make the extrusion die 23 move downward, and a wire-paying device and a wire-taking device are provided on the outside of the device, and the wire-paying device and the wire-taking device are used to adjust the feed speed of the cable, and the downward movement of the extrusion die 23 will extrude the PTFE blank, wrapping the PTFE blank. It is covered on the surface of the cable to complete the production of the cable wrapping layer. At the same time, the molding die 25 can control the molding accuracy of the cable. When producing pipes, a tapered glue needle can also be installed at the lower end of the core rod 12 to block the threading hole 5 of the cable. The extrusion die 23 is used to extrude the PTFE blank to produce a PTFE hose, thereby realizing the production of the pipe. At the same time, the first elevator 13 can control the up and down movement of the lifting seat 131, further driving the connecting plate 16 and the core rod connecting shaft 11 to move up and down, so that the core rod 12 moves up and down, adjusts the height of the glue needle, controls the distance between the inner wall of the molding die 25 and the outer wall of the glue needle, and adjusts the molding thickness of the pipe, thereby improving the production range of the extrusion equipment. The equipment can produce both cables and pipes.

[0023] like Figure 4 and 5As shown, a bearing seat is connected to the surface of the core rod connecting shaft 11, and the core rod connecting shaft 11 is hexagonal. The bearing seat and the core rod connecting shaft 11 rotate together, and a synchronous pulley 111 is inserted on the bearing seat. The synchronous pulley 111 and the bearing seat also rotate together. The bearing in the base plate 4 is connected to a rotating shaft 17, and the lower end of the rotating shaft 17 is connected to a handwheel 18. The rotating shaft 17 is also connected to a driving synchronous pulley 171, and the synchronous pulley 111 and the driving synchronous pulley 171 are connected by a belt. When installing the PTFE blank, because it is manually installed, the concentricity of the core rod 12 will be affected, resulting in uneven distribution of the wrapped layer of the produced pipe or cable. Therefore, in order to adjust the concentricity of the core rod 12, the rotation of the handwheel 18 is used to rotate the rotating shaft 17, driving the driving synchronous pulley 171 and the synchronous pulley 111 to rotate, so that the bearing seat and the core rod connecting shaft 11 rotate together, thereby adjusting the concentricity of the core rod 12 by rotating the core rod 12 to ensure the production quality of the pipe and cable.

[0024] A telescopic electric cylinder 41 is fixed to the lower end of the base plate 4, and a clamping jaw 42 is connected to the output end of the telescopic electric cylinder 41. The outer surface of the forming mold 25 is connected to the lower mold base 251, and the surface of the material cylinder 24 is sleeved with an upper mold base 241. The upper and lower inner walls of the clamping jaw 42 are respectively inserted into the upper surface of the upper mold base 241 and the lower surface of the lower mold base 251, clamping the upper mold base 241 and the lower mold base 251 together, further ensuring the sealing between the forming mold 25 and the material cylinder 24, and avoiding leakage of the blank.

[0025] like Figure 2 As shown, an adjusting rod 14 is provided at the upper end of the first elevator 13, and a fixing rod 6 is also fixed on the top plate 1. A guide wheel 7 is connected to the fixing rod 6. The guide wheel 7 is located on one side of the adjusting rod 14. The height of the adjusting rod 14 and the fixing rod 6 can be set according to the height of the workshop, thereby ensuring the straightness of the cable, making the cable production smoother, improving the production quality, and making the PTFE wrapping layer on the cable surface more evenly distributed.

[0026] A lifting electric cylinder 21 is fixed to the lower surface of the frame 3, and the output end of the lifting electric cylinder 21 is connected to the middle plate 2. A connecting seat 22 is fixed to the lower end of the middle plate 2, and the lower end of the connecting seat 22 is connected to the extrusion die 23. The height of the middle plate 2 is controlled by the extension and contraction of the lifting electric cylinder 21, and the height of the connecting seat 22 and the extrusion die 23 is further adjusted, which facilitates the control of the position of the extrusion die 23 and realizes the control of the extrusion process.

[0027] A second elevator 33 is fixed on the frame 3, and the output end of the second elevator 33 is connected to the forming mold fixing plate 32. The forming mold 25 is installed on the forming mold fixing plate 32. The height of the forming mold fixing plate 32 is controlled by the second elevator 33, and the height position of the forming mold 25 is adjusted, thereby controlling the distance between the forming mold 25 and the cylinder 24, making it convenient to place the blank in the cylinder 24, and also enabling the forming mold 25 and the cylinder 24 to be closed together.

[0028] A guide rod 31 is fixed to the lower end of the surface of the frame 3 , and the forming die fixing plate 32 is sleeved on the guide rod 31 , so that the forming die fixing plate 32 moves more smoothly, and the height position of the forming die 25 is conveniently adjusted.

[0029] Production process:

[0030] Cable production: A pay-off device and a take-up device are set on the outside of the equipment. The cable is led out from the pay-off device and then passes through the adjusting rod, lifting seat, core rod connecting shaft, core rod and forming die in sequence. The pay-off device and the take-up device are used to control the cable outlet speed. Then the height of the forming die is controlled by the second elevator to create a gap between the forming die and the material cylinder, which is convenient for placing the blank into the material cylinder. Then the forming die and the material cylinder are connected together, and the telescopic cylinder is used to ensure the sealing between the forming die and the material cylinder. Then the lifting electric cylinder is used to control the height position of the middle plate, and the extrusion die is controlled to move downward to extrude the blank and cover the blank on the surface of the cable to complete the production of the cable wrapping layer.

[0031] Production of pipes: The forming mold and the material cylinder are separated by the second elevator, the glue needle is inserted into the lower end of the core rod, and the blank is placed in the material cylinder. Then the forming mold and the material cylinder are closed. The height of the core rod connecting shaft and the core rod is controlled by the first elevator, the height of the glue needle is controlled, the distance between the outer wall of the glue needle and the inner wall of the forming mold is adjusted, and the forming thickness of the pipe is controlled. The height of the middle plate is then controlled by the lifting electric cylinder to move the extrusion die downward, squeeze the blank, and form the blank along the gap between the forming mold and the glue needle to complete the production of the pipe.

[0032] Finally, it should be noted that the above description is merely a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art will be able to modify the technical solutions described in the aforementioned embodiments or replace some of the technical features therein with equivalents. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included within the scope of protection of the present invention.

Claims

1. PTFE conduit equipment, comprising a top plate, a middle plate, and a frame arranged in order from top to bottom, wherein a bottom plate is connected to the bottom of the frame, a first elevator is fixed to the top plate, a lifting seat is internally threadedly connected to the first elevator, and a connecting plate is fixed to the lower end of the lifting seat, characterized in that: The connecting plate is connected to a core rod connecting shaft through a bearing, and the lower end of the core rod connecting shaft is also connected to the top plate through a bearing seat, and the lower end of the core rod connecting shaft is plugged and fixed with a core rod, and the lower end of the core rod is located in the frame, and the lower end of the middle plate is connected to an extrusion die, and the extrusion die is sleeved on the surface of the core rod, and a material cylinder is fixed on the upper surface of the frame, and the material cylinder is sleeved on the outer surface of the extrusion die, and a forming die is provided at the lower end of the material cylinder, and the forming die is connected to the frame in a liftable manner, and the centers of the lifting seat, the core rod connecting shaft and the core rod are all provided with threading holes, and the threading holes are used to pass cables.

2. The PTFE line pipe equipment according to claim 1, characterized in that: A bearing seat is connected to the surface of the core rod connecting shaft, a synchronous pulley is inserted into the bearing seat, a rotating shaft is connected to the bearing in the base plate, a hand wheel is connected to the lower end of the rotating shaft, and a driving synchronous pulley is also connected to the rotating shaft, and the synchronous pulley and the driving synchronous pulley are connected by a belt.

3. The PTFE line pipe equipment according to claim 1, characterized in that: A telescopic electric cylinder is fixed to the lower end of the base plate, and a clamping claw is connected to the output end of the telescopic electric cylinder. A lower mold base is connected to the outer surface of the forming mold, and an upper mold base is sleeved on the surface of the material cylinder. The upper and lower inner walls of the clamping claw are respectively inserted into the upper surface of the upper mold base and the lower surface of the lower mold base to clamp the upper mold base and the lower mold base together.

4. The PTFE line pipe equipment according to claim 1, characterized in that: An adjusting rod is provided at the upper end of the first lifter, and a fixing rod is also fixed on the top plate. A guide wheel is connected to the fixing rod, and the guide wheel is located on one side of the adjusting rod.

5. The PTFE line pipe equipment according to claim 1, characterized in that: A lifting electric cylinder is fixed on the surface of the frame, the output end of the lifting electric cylinder is connected to the middle plate, a connecting seat is fixed at the lower end of the middle plate, and the lower end of the connecting seat is connected to the extrusion die.

6. The PTFE line pipe equipment according to claim 1, characterized in that: A second elevator is fixed on the frame, an output end of the second elevator is connected to a forming die fixing plate, and the forming die is mounted on the forming die fixing plate.

7. The PTFE line pipe equipment according to claim 6, characterized in that: A guide rod is fixed to the lower end of the frame surface, and the forming die fixing plate is sleeved on the guide rod.

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