Lining spraying and melting polishing device for polymer composite pipe

Abstract

A lining spraying and melting polishing device for a polymer composite pipe comprises a handle, a gas guide pipe is connected to the handle in a penetrating mode, a control structure is arranged on the gas guide pipe, the top end of the gas guide pipe is connected with an inner ring of a bearing and extends into one end of a guide pipe, an outer ring of the bearing is connected with the guide pipe through a connecting sleeve, and the other end of the guide pipe is connected with a fire spraying sleeve. An outer ring of the bearing is connected with the top of a linkage barrel arranged on the air guide pipe in a sleeving mode, the bottom of the linkage barrel is connected with a driving base, the driving base is provided with a first through opening and a toothed belt which are matched with the air guide pipe, and the driving base is matched with a driving structure arranged on the handle. By the adoption of the structure, automatic spraying, melting and polishing are achieved through constant-speed rotation, comprehensive and thorough machining is kept, and quality is uniform and stable; operation and control are convenient, operation experience requirements are reduced, operation is easy, and speed change adjustment is flexible; the device is reasonable and stable in overall structure, safe and efficient to use and high in practicability.

Description

Technical Field

[0001] The utility model relates to the technical field of steel-lined polymer material pipe production, in particular to an inner lining spray-melting and grinding device for polymer composite pipes. Background Art

[0002] Polymer composite pipes include ultra-high molecular weight polyethylene pipes, steel-lined ultra-high molecular weight composite pipes, steel-lined PTFE pipes, steel-lined plastic pipes and many other types. Among them, steel-lined PTFE pipes are composite pipes formed by lining the inner wall of a metal pipe with polytetrafluoroethylene material. They have excellent resistance to strong acids and alkalis.

[0003] During the production and processing of steel-lined PTFE pipes, the PTFE lined pipes need to be sintered. After sintering, there are still many particle protrusions on the PTFE lining, which will affect the gluing and fitting, so it needs to be polished. The main method is to use a flamethrower to spray hot-melt particle protrusions to make the surface of the PTFE lining melted and smooth. However, the traditional flamethrower has a fixed spray angle and requires manual rotation to fully spray and melt the PTFE lining at all angles. It is very dependent on the operator's experience and skills, and uneven polishing is prone to occur. Summary of the invention

[0004] The technical problem to be solved by the utility model is to provide a lining spray-melt grinding device for polymer composite pipes, which can automatically spray-melt grind by rotating at a uniform speed to keep the processing comprehensive and thorough, and the quality uniform and stable; it is easy to operate, reduces the experience required for operation, is easy to get started, and has flexible speed adjustment; the overall structure of the device is reasonable and stable, and it is safe and efficient to use and has strong practicality.

[0005] In order to solve the above technical problems, the technical solution adopted by the utility model is: a liner spray-melting and polishing device for a polymer composite tube, comprising a handle, an air guide tube is connected through the handle, a control structure is provided on the air guide tube, the top end of the air guide tube is connected to the inner ring of the bearing and extends into one end of the guide tube, the outer ring of the bearing is connected to the guide tube through a connecting sleeve, the other end of the guide tube is connected to the flame-spraying sleeve, the outer ring of the bearing is connected to the top of a linkage cylinder mounted on the air guide tube, the bottom of the linkage cylinder is connected to a driving seat, the driving seat is provided with a first through-port and a toothed belt cooperating with the air guide tube, and the driving seat cooperates with the driving structure arranged on the handle.

[0006] In a preferred solution, the control structure includes a four-way tube arranged on the air duct, and the four-way tube is provided with a control valve and a switch handle.

[0007] In a preferred solution, a sealing joint is provided at the bottom end of the air guide tube.

[0008] In a preferred embodiment, the driving structure includes a fixed seat, the fixed seat is provided with a second through-hole cooperating with the air duct and a driving motor, the driving motor is connected to the handle through a control line and a connecting piece, the handle is provided with a control button cooperating with the driving motor, the output end of the driving motor is provided with a driving gear meshing with the toothed belt, the fixed seat is provided with a limiting ring seat, and the limiting ring seat cooperates with the limiting ring groove arranged at the bottom of the driving seat.

[0009] In a preferred solution, the limiting ring seat is provided with a plurality of groups of ball structures cooperating with the limiting ring grooves.

[0010] In a preferred solution, a protective cover is provided on the fixing seat.

[0011] In a preferred solution, the flame spray sleeve is provided with a plurality of groups of air supply holes.

[0012] The liner spraying and melting grinding device for polymer composite pipe provided by the utility model has the following beneficial effects by adopting the above structure:

[0013] (1) Automatic spray melting and grinding with uniform rotation speed to ensure comprehensive and thorough processing and uniform and stable quality;

[0014] (2) Easy to operate, reduces the experience required for operation, is easy to use, and has flexible speed adjustment;

[0015] (3) The overall structure of the device is reasonable and stable, and it is safe, efficient and practical to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The utility model is further described below in conjunction with the accompanying drawings and embodiments:

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0018] Figure 2 It is a schematic diagram of the detailed structure of the handle of the utility model.

[0019] Figure 3 It is a schematic diagram of the structure of the flame spray sleeve of the utility model.

[0020] Figure 4 It is a schematic diagram of the matching structure of the linkage cylinder of the utility model.

[0021] Figure 5 This is a schematic diagram of the handle and airway structure of the utility model.

[0022] Figure 6 It is a schematic diagram of the structure of the drive seat of the utility model.

[0023] Figure 7 It is a schematic diagram of the driving structure of the utility model.

[0024] In the figure: handle 1, air guide tube 2, sealing joint 3, cross-way tube 4, control valve 5, switch handle 6, control button 7, guide tube 8, flamethrower sleeve 9, air supply hole 10, connecting sleeve 11, bearing 12, linkage cylinder 13, drive seat 14, first through opening 15, toothed belt 16, limit ring groove 17, fixed seat 18, second through opening 19, limit ring seat 20, ball structure 21, protective cover 22, drive motor 23, drive gear 24, control line 25, connector 26. DETAILED DESCRIPTION

[0025] like Figure 1-7 In the invention, a liner spray-melting and polishing device for a polymer composite tube comprises a handle 1, wherein an air guide tube 2 is connected through the handle 1, and a control structure is arranged on the air guide tube 2. The top end of the air guide tube 2 is connected to the inner ring of a bearing 12 and extends into one end of a guide tube 8. The outer ring of the bearing 12 is connected to the guide tube 8 through a connecting sleeve 11, and the other end of the guide tube 8 is connected to a flame-spraying sleeve 9. The outer ring of the bearing 12 is connected to the top of a linkage cylinder 13 sleeved on the air guide tube 2, and the bottom of the linkage cylinder 13 is connected to a driving seat 14. The driving seat 14 is provided with a first through-port 15 and a toothed belt 16 which cooperate with the air guide tube 2, and the driving seat 14 cooperates with a driving structure arranged on the handle 1.

[0026] In a preferred solution, the control structure includes a four-way pipe 4 arranged on the air guide pipe 2, and a control valve 5 and a switch handle 6 are arranged on the four-way pipe 4. The firepower is convenient to adjust, and the flame switch can be flexibly controlled.

[0027] In a preferred solution, a sealing joint 3 is provided at the bottom end of the air guide tube 2. The connection is tight and the sealing is good to avoid air leakage.

[0028] In the preferred solution, the driving structure includes a fixed seat 18, a second through hole 19 and a driving motor 23 are provided on the fixed seat 18, the driving motor 23 is connected to the handle 1 through a control line 25 and a connector 26, the handle 1 is provided with a control button 7 that cooperates with the driving motor 23, the output end of the driving motor 23 is provided with a driving gear 24 that meshes with the toothed belt 16, and a limiting ring seat 20 is provided on the fixed seat 18, and the limiting ring seat 20 is matched with a limiting ring groove 17 set at the bottom of the driving seat 14. The gear meshing transmission is stable and smooth.

[0029] In a preferred solution, the limiting ring seat 20 is provided with a plurality of groups of ball structures 21 that cooperate with the limiting ring grooves 17. The rotation is smoother and more silky.

[0030] In a preferred solution, a protective cover 22 is provided on the fixing seat 18 to protect the gear transmission structure.

[0031] In a preferred embodiment, the flame spraying sleeve 9 is provided with a plurality of groups of air supply holes 10 to supply air and stabilize the flame spraying.

[0032] The method of using the utility model is as follows: the rotation speed of the driving motor 23 is controlled by two operating buttons 7, and the firepower is adjusted by the control valve 5. The two cooperate to adapt to the particle spraying, melting and grinding of the surface of the polytetrafluoroethylene liner in different situations. The handle 1 only needs to be inserted into the composite pipe and located at the axis of the pipe, and the fire can be sprayed and hot-melt polished automatically by rotating.

[0033] The beneficial effects of the utility model are as follows: automatic spray melting and grinding with uniform rotation speed, which ensures comprehensive and thorough processing and uniform and stable quality; it is easy to operate, reduces the experience required for operation, is easy to get started, and has flexible speed adjustment; the overall structure of the device is reasonable and stable, and it is safe and efficient to use and has strong practicality.

Claims

1. A liner spraying and grinding device for a polymer composite pipe, comprising a handle (1), characterized in that: The handle (1) is connected with an air guide tube (2) through and through, and a control structure is provided on the air guide tube (2). The top end of the air guide tube (2) is connected to the inner ring of the bearing (12) and extends into one end of the guide tube (8). The outer ring of the bearing (12) is connected to the guide tube (8) through a connecting sleeve (11), and the other end of the guide tube (8) is connected to a flame-spraying sleeve (9). The outer ring of the bearing (12) is connected to the top of a linkage cylinder (13) sleeved on the air guide tube (2), and the bottom of the linkage cylinder (13) is connected to a drive seat (14). The drive seat (14) is provided with a first through hole (15) and a toothed belt (16) that cooperate with the air guide tube (2), and the drive seat (14) cooperates with a drive structure provided on the handle (1).

2. The inner lining spray-melting and grinding device for polymer composite pipes according to claim 1 is characterized in that: The control structure comprises a four-way pipe (4) arranged on the air guide pipe (2), and a control valve (5) and a switch handle (6) are provided on the four-way pipe (4).

3. The inner lining spray-melting and grinding device for polymer composite pipes according to claim 1 is characterized in that: A sealing joint (3) is provided at the bottom end of the air guide tube (2).

4. The inner liner spray-melting and grinding device for polymer composite pipes according to claim 1 is characterized in that: The driving structure comprises a fixing seat (18), the fixing seat (18) being provided with a second through hole (19) cooperating with the air guide tube (2) and a driving motor (23), the driving motor (23) being connected to the handle (1) via a control line (25) and a connecting piece (26), the handle (1) being provided with a control button (7) cooperating with the driving motor (23), the output end of the driving motor (23) being provided with a driving gear (24) meshing with the toothed belt (16), the fixing seat (18) being provided with a limiting ring seat (20), the limiting ring seat (20) being cooperating with a limiting ring groove (17) arranged at the bottom of the driving seat (14).

5. The inner lining spray-melting and grinding device for polymer composite pipes according to claim 4 is characterized in that: The limiting ring seat (20) is provided with a plurality of groups of ball structures (21) that cooperate with the limiting ring grooves (17).

6. The inner lining spray-melting and grinding device for polymer composite pipes according to claim 4 is characterized in that: A protective cover (22) is provided on the fixing seat (18).

7. The inner lining spray-melting and grinding device for polymer composite pipes according to claim 1 is characterized in that: The flame spray sleeve (9) is provided with a plurality of groups of air supply holes (10).

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