A polytetrafluoroethylene pipe sintering device

Abstract

This utility model discloses a sintering device for polytetrafluoroethylene (PTFE) pipes, including a sintering furnace and a roller conveyor. The roller conveyor is installed on one side of the sintering furnace, and a cooling tunnel is fixedly installed on the top surface of the roller conveyor. A water tank is fixedly installed on the top surface of the cooling tunnel. A water pump is connected to one side of the water tank via a pumping pipe, and a water delivery pipe is connected to the output end of the water pump, extending into the cooling tunnel. A branch pipe is connected to the surface of the water delivery pipe. Beneficial effects: This utility model features a horizontal sintering furnace. Workers can place the PTFE pipe blank between guide wheels. After closing the sintering furnace, the resistance wire can be activated, and the PTFE pipe blank is sintered using the heat from the resistance wire. After sintering, the furnace door can be opened to push the PTFE pipe out of the sintering furnace, facilitating the movement of the PTFE pipe, eliminating the hassle of hoisting, and improving ease of use.

Description

Technical Field

[0001] This utility model relates to the field of pipe sintering technology, and more specifically, to a polytetrafluoroethylene (PTFE) pipe sintering device. Background Technology

[0002] Polytetrafluoroethylene (PTFE), commonly known as the "king of plastics," is a polymer compound formed by the polymerization of tetrafluoroethylene. It possesses excellent chemical stability, corrosion resistance, sealing properties, high lubricity and non-stickiness, electrical insulation, and good aging resistance. Used as an engineering plastic, it can be manufactured into PTFE tubes, rods, strips, sheets, and films. It is generally used in high-performance, corrosion-resistant pipes, containers, pumps, valves, as well as in the manufacture of radar, high-frequency communication equipment, and radio equipment.

[0003] In the processing of polytetrafluoroethylene (PTFE), sintering is required. After years of refinement, the sintering process has become extremely advanced, enabling pipe sintering to be completed in one pass. Currently, vertical sintering furnaces have been developed for sintering. However, during the later stages of removal and cooling, hoisting tools are needed. It is inconvenient to install clamps on pipes at high temperatures, and frequent clamping is also very troublesome. Further improvements are possible. Utility Model Content

[0004] (a) Technical problems to be solved

[0005] To address the shortcomings of existing technologies, this utility model provides a polytetrafluoroethylene (PTFE) pipe sintering device, which has the advantage of improved ease of use and thus solves the problems mentioned in the background technology.

[0006] (II) Technical Solution

[0007] To achieve the aforementioned advantages of improved ease of use, the specific technical solution adopted by this utility model is as follows: A polytetrafluoroethylene (PTFE) pipe sintering device includes a sintering furnace and a roller conveyor. The roller conveyor is installed on one side of the sintering furnace, and a cooling tunnel is fixedly installed on the top surface of the roller conveyor. A water tank is fixedly installed on the top surface of the cooling tunnel. A water pump is connected to one side of the water tank through a water pumping pipe, and a water delivery pipe is connected to the output end of the water pump. The water delivery pipe extends into the cooling tunnel. A diversion pipe is connected to the surface of the water delivery pipe, and a nozzle is installed on the surface of the diversion pipe. Guide wheels are fixedly installed inside the sintering furnace, and resistance wires are fixedly installed between the guide wheels on the inner wall of the sintering furnace. Furnace doors are hinged at both ends of the sintering furnace.

[0008] Furthermore, the water tanks are arranged in multiple groups, and the water tanks contain water at different temperatures, with the water temperature decreasing sequentially from left to right.

[0009] Furthermore, the diversion pipe has a ring structure, and multiple sets of diversion pipes are arranged at equal intervals.

[0010] Furthermore, the nozzles are evenly distributed on the surface of the diversion pipe, and the nozzles are spray heads.

[0011] Furthermore, the guide wheels are arranged at equal angles along the central axis of the sintering furnace, and the guide wheels are made of high-temperature resistant metal.

[0012] Furthermore, multiple sets of guide wheels are arranged at equal intervals laterally, and the guide wheels roll and abut against the outer surface of the pipe.

[0013] Furthermore, the length of the sintering furnace is greater than the length of the pipe, and the bottom surface of the sintering furnace is fixedly equipped with support legs.

[0014] (III) Beneficial Effects

[0015] Compared with the prior art, this utility model provides a sintering device for polytetrafluoroethylene pipes, which has the following beneficial effects:

[0016] (1) This utility model is equipped with a horizontal sintering furnace. The operator can put the polytetrafluoroethylene tube blank between the guide wheels. After closing the sintering furnace, the resistance wire can be started. The heat of the resistance wire is used to sinter the polytetrafluoroethylene tube blank. After sintering, the furnace door can be opened to push the polytetrafluoroethylene tube out of the sintering furnace. This makes it easy to move the polytetrafluoroethylene tube, saves the trouble of hoisting, and improves the convenience of use.

[0017] (2) This utility model is equipped with a cooling track and a water tank. There are multiple sets of water tanks. The water tanks contain cooling water at different temperatures, and the cooling water temperature decreases from left to right. The sintered polytetrafluoroethylene tube is pushed into the top of the roller conveyor and transported to the cooling tunnel by the roller conveyor. The water pump is started to draw water from the water tank and spray it out through the water supply pipe and the distribution pipe along the nozzle. The polytetrafluoroethylene tube is sprayed and cooled step by step to avoid the problem of surface cracking caused by sudden temperature drop. After cooling, the polytetrafluoroethylene tube is moved directly out of the cooling tunnel, avoiding the trouble of frequent hoisting and further improving the convenience of use. Attached Figure Description

[0018] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0019] Figure 1 This is a schematic diagram of the internal structure of a polytetrafluoroethylene pipe sintering device according to an embodiment of the present utility model;

[0020] Figure 2 This is a front view of a polytetrafluoroethylene pipe sintering apparatus according to an embodiment of the present utility model;

[0021] Figure 3 This is a schematic diagram of the installation of the diversion pipe according to an embodiment of the present utility model;

[0022] Figure 4 This is a schematic diagram of the external structure of a sintering furnace according to an embodiment of the present utility model.

[0023] In the picture:

[0024] 1. Sintering furnace; 2. Guide wheel; 3. Resistance wire; 4. Furnace door; 5. Support leg; 6. Roller conveyor; 7. Cooling tunnel; 8. Water tank; 9. Water pump; 10. Pumping pipe; 11. Water delivery pipe; 12. Diversion pipe; 13. Nozzle. Detailed Implementation

[0025] To further illustrate the various embodiments, the present invention provides accompanying drawings, which are part of the disclosure of the present invention. These drawings are mainly used to illustrate the embodiments and can be used in conjunction with the relevant descriptions in the specification to explain the operating principles of the embodiments. With reference to these contents, those skilled in the art should be able to understand other possible implementation methods and the advantages of the present invention. The components in the figures are not drawn to scale, and similar component symbols are usually used to represent similar components.

[0026] According to an embodiment of the present invention, a polytetrafluoroethylene (PTFE) pipe sintering apparatus is provided.

[0027] The present invention will now be further described in conjunction with the accompanying drawings and specific embodiments, such as... Figure 1-4As shown, a polytetrafluoroethylene (PTFE) pipe sintering device according to an embodiment of the present invention includes a sintering furnace 1 and a roller conveyor 6. The roller conveyor 6 is installed on one side of the sintering furnace 1, and a cooling tunnel 7 is fixedly installed on the top surface of the roller conveyor 6. A water tank 8 is fixedly installed on the top surface of the cooling tunnel 7. Multiple sets of water tanks 8 are arranged, and each water tank 8 contains water at different temperatures, with the water temperature decreasing sequentially from left to right. A water pump 9 is connected to one side of the water tank 8 via a water suction pipe 10, and a water delivery pipe 11 is connected to the output end of the water pump 9. The water delivery pipe 11 extends into the cooling tunnel 7, and a branch pipe 12 is connected to the surface of the water delivery pipe 11. A nozzle 13 is installed on the surface of the branch pipe 12. Guide wheels 2 are fixedly installed inside the sintering furnace 1, and resistance wires 3 are fixedly installed between the guide wheels 2 on the inner wall of the sintering furnace 1. Furnace doors 4 are hinged at both ends of the sintering furnace 1, allowing workers to place PTFE pipe blanks into the furnace. Between the guide wheels 2, after the sintering furnace 1 is closed, the resistance wire 3 can be started. The heat of the resistance wire 3 is used to sinter the polytetrafluoroethylene (PTFE) tube blank. After sintering, the furnace door 4 is opened, and the PTFE tube can be pushed out of the sintering furnace 1. This facilitates the movement of the PTFE tube, eliminates the trouble of hoisting, and improves the convenience of use. At the same time, multiple sets of water tanks 8 are arranged, and the water tanks 8 contain cooling water of different temperatures. The temperature of the cooling water decreases from left to right. The sintered PTFE tube is pushed into the top of the roller conveyor 6 and transported to the cooling tunnel 7. The water pump 9 is started to draw water from the water tank 8 and spray it out through the water supply pipe 11 and the diversion pipe 12 along the nozzle 13 to spray and cool the PTFE tube step by step, avoiding the problem of surface cracking caused by sudden temperature drop. After cooling, the PTFE tube can be moved directly out of the cooling tunnel 7, avoiding the trouble of frequent hoisting and further improving the convenience of use.

[0028] In one embodiment, the manifold 12 has a ring structure, and multiple sets of manifold 12 are arranged at equal intervals to improve cooling efficiency.

[0029] In one embodiment, the nozzles 13 are evenly distributed on the surface of the diversion pipe 12, and the nozzles 13 are spray heads to improve the spray coverage.

[0030] In one embodiment, the guide wheels 2 are arranged at equal angles along the central axis of the sintering furnace 1, and the guide wheels 2 are made of high-temperature resistant metal structure. Multiple sets of guide wheels 2 are arranged at equal intervals in the transverse direction, and the guide wheels 2 roll against the outer surface of the tube. The guide wheels 2 facilitate the pushing of the tube and the movement of the tube groove, while avoiding contact between the tube and the resistance wire 3.

[0031] In one embodiment, the length of the sintering furnace 1 is greater than the length of the pipe, and the bottom surface of the sintering furnace 1 is fixedly equipped with support legs 5. The dimensions of the sintering furnace 1 are arranged according to the dimensions of the pipe.

[0032] Working principle: The operator places the PTFE tube blank between the guide wheels 2. After closing the sintering furnace 1, the resistance wire 3 is activated. The heat from the resistance wire 3 sinters the PTFE tube blank. After sintering, the furnace door 4 is opened, allowing the PTFE tube to be pushed out of the sintering furnace 1. This facilitates the movement of the PTFE tube, eliminating the hassle of hoisting and improving ease of use. Simultaneously, multiple sets of water tanks 8 are arranged, each containing cooling water at different temperatures, with the cooling water temperature ranging from left to right. As the sintered polytetrafluoroethylene (PTFE) tube descends sequentially from right to left, it is pushed onto the top surface of roller conveyor 6 and transported to cooling tunnel 7. Water pump 9 is activated, drawing water from water tank 8 and spraying it through water supply pipe 11 and diversion pipe 12 along nozzle 13 to cool the PTFE tube step by step, avoiding surface cracking caused by sudden temperature drops. After cooling, the PTFE tube is moved directly out of cooling tunnel 7, avoiding the hassle of frequent hoisting and further improving ease of use.

[0033] In this utility model, unless otherwise explicitly specified and limited, the terms "installation", "setting", "connection", "fixing", "screw connection", etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal connection of two components or the interaction between two components. Unless otherwise explicitly limited, those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0034] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A polytetrafluoroethylene (PTFE) pipe sintering apparatus, comprising a sintering furnace (1) and a roller conveyor (6), characterized in that, A roller conveyor (6) is installed on one side of the sintering furnace (1), and a cooling tunnel (7) is fixedly installed on the top surface of the roller conveyor (6). A water tank (8) is fixedly installed on the top surface of the cooling tunnel (7). A water pump (9) is connected to one side of the water tank (8) through a water pumping pipe (10). A water supply pipe (11) is connected to the output end of the water pump (9). The water supply pipe (11) extends into the cooling tunnel (7). A diversion pipe (12) is connected to the surface of the water supply pipe (11). A nozzle (13) is installed on the surface of the diversion pipe (12). A guide wheel (2) is fixedly installed inside the sintering furnace (1). A resistance wire (3) is fixedly installed between the guide wheels (2) on the inner wall of the sintering furnace (1). A furnace door (4) is hinged at both ends of the sintering furnace (1).

2. The polytetrafluoroethylene pipe sintering apparatus according to claim 1, characterized in that, The water tanks (8) are arranged in multiple groups, and the water tanks (8) contain water of different temperatures, with the water temperature in the water tanks (8) decreasing sequentially from left to right.

3. The polytetrafluoroethylene pipe sintering apparatus according to claim 1, characterized in that, The diversion pipe (12) has a ring structure, and multiple sets of diversion pipes (12) are arranged at equal intervals.

4. The polytetrafluoroethylene pipe sintering apparatus according to claim 1, characterized in that, The nozzles (13) are distributed at equal angles on the surface of the diversion pipe (12), and the nozzles (13) are spray heads.

5. The polytetrafluoroethylene pipe sintering apparatus according to claim 1, characterized in that, The guide wheel (2) is arranged at equal angles along the central axis of the sintering furnace (1), and the guide wheel (2) is made of high-temperature resistant metal structure.

6. The polytetrafluoroethylene pipe sintering apparatus according to claim 1, characterized in that, The guide wheels (2) are arranged in multiple sets at equal intervals in the transverse direction, and the guide wheels (2) roll against the outer surface of the pipe.

7. The polytetrafluoroethylene pipe sintering apparatus according to claim 1, characterized in that, The length of the sintering furnace (1) is greater than the length of the pipe, and the bottom surface of the sintering furnace (1) is fixedly equipped with support legs (5).

Images