A composite pipe fitting for an automotive air conditioner and its special bonding equipment

Abstract

The present invention discloses a composite pipe fitting for an automotive air conditioner and its special bonding equipment, including. A composite pipe fitting for an automotive air conditioner includes a pipe body, a fiber layer, a thermal insulation layer, and a wear-resistant layer. A fiber layer is provided on the outer wall of the pipe body, a thermal insulation layer is provided on the outer wall of the fiber layer, and a wear-resistant layer is provided on the outer wall of the thermal insulation layer; the thermal insulation layer is made of one of polyurethane foam, polystyrene board, EPS, XPS, and phenolic foam materials; the fiber layer, thermal insulation layer, and wear-resistant layer provided by the present invention improve the thermal insulation effect and wear resistance of the pipe body, avoid the pipe body from cracking after long-term use, and increase the service life of the pipe body; the special bonding equipment provided facilitates the application of glue to the connection part of the connector and also facilitates the connection between the connector and the composite pipe, increasing the firmness and stability of the composite pipe, and also facilitating the heating and softening of the connection end of the composite pipe, facilitating the connection between the composite pipe and the connector, which is relatively convenient and labor-saving.

Description

Technical Field

[0001] The present invention relates to the technical field of equipment for automotive air conditioners, and particularly to a composite pipe fitting for automotive air conditioners and a special bonding device therefor. Background Art

[0002] An automotive air conditioner is used to adjust and control the temperature, humidity, air cleanliness, and air flow inside the vehicle compartment to the best state, providing a comfortable riding environment for passengers and reducing travel fatigue; it is a ventilation device that creates good working conditions for the driver and plays an important role in ensuring safe driving. However, the current composite pipe fittings for air conditioners have relatively poor heat insulation effect and wear resistance, reducing the service life of the composite pipe fittings. In addition, the connection between the composite pipe and the connector is relatively troublesome, the connection is not firm or stable, and the connection between the composite pipe and the connector is likely to become loose after a long time, which is not worthy of wide promotion and application. Summary of the Invention

[0003] The purpose of the present invention is to provide a composite pipe fitting for automotive air conditioners and a special bonding device therefor. The fiber layer, heat insulation layer, and wear-resistant layer provided by the present invention improve the heat insulation effect and wear resistance of the pipe body, avoid the pipe body from cracking after long-term use, and increase the service life of the pipe body; the special bonding device provided is convenient for applying glue to the connection part of the connector, and is also convenient for connecting the connector and the composite pipe, increasing the firmness and stability of the composite pipe, and is also convenient for heating and softening the connection end of the composite pipe, facilitating the connection between the composite pipe and the connector, which is relatively convenient and labor-saving.

[0004] The purpose of the present invention can be achieved by the following technical solutions:

[0005] A composite pipe fitting for automotive air conditioners includes a pipe body, a fiber layer, a heat insulation layer, and a wear-resistant layer. The fiber layer is provided on the outer wall of the pipe body, the heat insulation layer is provided on the outer wall of the fiber layer, and the wear-resistant layer is provided on the outer wall of the heat insulation layer.

[0006] As a further solution of the present invention: the heat insulation layer is made of one of the materials of polyurethane foam, polystyrene board, EPS, XPS, and phenolic foam materials.

[0007] As a further solution of the present invention: the wear-resistant layer is made of natural latex or styrene-butadiene rubber material.

[0008] A special bonding device for a composite pipe fitting used in an automotive air conditioner, comprising a workbench, support legs, a material box, a rotating shaft, a first pulley, a belt, a second pulley, a rotating motor, a rotating block, a hexagonal groove, a positioning post, a connecting head, a support plate, a hydraulic cylinder, a mounting block, an adhesive tank, a glue outlet hole, a glue-brushing cotton, a sealing cover, a sealing ring, a pressure pump, a water bath tank, a heating convex pipe, a heating plate, a water injection pipe, a pressure relief valve, and a composite pipe. The rotating shaft is rotatably installed through the top outer wall of the workbench. A first pulley is sleeved on the bottom end of the rotating shaft passing through the outer wall of the workbench. The belt is sleeved on the outer wall of the first pulley. The rotating motor is installed on the bottom end of the workbench on one side of the first pulley. One end of the output shaft of the rotating motor is sleeved with a second pulley corresponding to the belt, and the other end of the belt is sleeved on the outer wall of the second pulley. A rotating block is fixed on the top end of the rotating shaft. A hexagonal groove is formed on the top end of the rotating block. A positioning post is fixed on the bottom inner wall of the hexagonal groove. A connecting head is placed inside the hexagonal groove. Support legs are fixed on the four corners of the bottom outer wall of the workbench.

[0009] As a further scheme of the present invention: A support plate is fixed on one outer wall of the workbench. A hydraulic cylinder is fixed on one side of the top end of the support plate. One end of the telescopic shaft of the hydraulic cylinder is fixed with a mounting block. An adhesive tank is formed on the top outer wall of the mounting block. A glue outlet hole is formed on one side of the bottom inner wall of the adhesive tank. A glue-brushing cotton is installed on one side of the mounting block corresponding to the glue outlet hole. A sealing cover is bolted on the top outer wall of the mounting block. A pressure pump is installed on the top outer wall of the sealing cover, and the air inlet hole of the pressure pump is communicated with the adhesive tank.

[0010] As a further scheme of the present invention: A sealing ring is embedded at the joint between the sealing cover and the mounting block.

[0011] As a further scheme of the present invention: A water bath tank is installed on the top outer wall of the workbench on one side of the rotating block. A heating convex pipe is installed on the top outer wall of the water bath tank. A plurality of heating plates are fixed on the inner wall of the water bath tank. A composite pipe is inserted on the outer wall of the heating convex pipe. A water injection pipe is welded through the top outer wall of the water bath tank. A pressure relief valve is installed on the top outer wall of the water bath tank on one side of the water injection pipe.

[0012] As a further scheme of the present invention: A material box is fixed on one side of the top end of the workbench.

[0013] Advantages of the present invention: The fiber layer, heat insulation layer and wear-resistant layer provided in the present invention improve the heat insulation effect and wear resistance of the pipe body, prevent the pipe body from cracking after long-term use, increase the service life of the pipe body. The special bonding equipment provided, through the cooperation of the rotating shaft, the first pulley, the belt, the second pulley, the rotating motor, the rotating block, the hexagonal groove, the positioning column, the support plate, the hydraulic cylinder, the mounting block, the adhesive tank, the glue outlet hole, the glue-brushing cotton, the sealing cover, the sealing ring and the pressure pump, is convenient for applying glue to the connection part of the connector and also convenient for connecting the connector with the composite pipe, increasing the firmness and stability of the composite pipe. The cooperation of the water bath tank, the heating convex pipe and the heating plate is convenient for heating and softening the connection end of the composite pipe, facilitating the connection of the composite pipe and the connector, which is relatively convenient and easy, and is worthy of wide promotion and application. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] For the convenience of those skilled in the art to understand, the present invention will be further described below with reference to the accompanying drawings.

[0015] Figure 1 Schematic cross-sectional structure diagram of the pipe body of the present invention;

[0016] Figure 2 Front perspective structure diagram of the bonding equipment of the present invention;

[0017] Figure 3 Bottom perspective structure diagram of the bonding equipment of the present invention;

[0018] Figure 4 Front cross-sectional structure diagram of the rotating block of the present invention;

[0019] Figure 5 Front cross-sectional structure diagram of the water bath tank of the present invention;

[0020] In the figure: 01, pipe body; 02, fiber layer; 03, heat insulation layer; 04, wear-resistant layer; 1, workbench; 2, support leg; 3, material box; 4, rotating shaft; 5, first pulley; 6, belt; 7, second pulley; 8, rotating motor; 9, rotating block; 10, hexagonal groove; 11, positioning column; 12, connector; 13, support plate; 14, hydraulic cylinder; 15, mounting block; 16, adhesive tank; 17, glue outlet hole; 18, glue-brushing cotton; 19, sealing cover; 20, sealing ring; 21, pressure pump; 22, water bath tank; 23, heating convex pipe; 24, heating plate; 25, water injection pipe; 26, pressure relief valve; 27, composite pipe. DETAILED DESCRIPTION OF THE INVENTION

[0021] The technical solution of the present invention will be clearly and completely described below in conjunction with embodiments. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all of them. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts belong to the scope of protection of the present invention.

[0022] Embodiment 1

[0023] As Figure 1 shown, a composite pipe fitting for an automotive air conditioner includes a pipe body 01, a fiber layer 02, a heat-insulating layer 03, and a wear-resistant layer 04. The fiber layer 02 is provided on the outer wall of the pipe body 01, the heat-insulating layer 03 is provided on the outer wall of the fiber layer 02, and the wear-resistant layer 04 is provided on the outer wall of the heat-insulating layer 03. The heat-insulating layer 03 is made of one of polyurethane foam, polystyrene board, EPS, XPS, and phenolic foam materials, which is relatively perfect and improves the heat-insulating effect of the pipe body 01. The wear-resistant layer 04 is made of natural latex or styrene-butadiene rubber material, which increases the wear resistance of the pipe body 01 and improves the service life of the equipment.

[0024] Working principle: The provided heat-insulating layer 03 improves the heat-insulating effect of the pipe body 01. The provided wear-resistant layer 04 improves the wear resistance and service life of the pipe body 01. The provided fiber layer 02 increases the toughness of the pipe body 01 and can effectively prevent the pipe body 01 from cracking when bent, which is relatively perfect.

[0025] Embodiment 2

[0026] As Figures 2 - 5As shown in the figure, a special bonding device for a composite pipe fitting used in an automotive air conditioner, comprising a workbench 1, support legs 2, a material box 3, a rotating shaft 4, a first pulley 5, a belt 6, a second pulley 7, a rotating motor 8, a rotating block 9, a hexagonal groove 10, a positioning post 11, a connecting head 12, a support plate 13, a hydraulic cylinder 14, a mounting block 15, an adhesive tank 16, a glue outlet hole 17, a glue-brushing cotton 18, a sealing cover 19, a sealing ring 20, a pressure pump 21, a water bath tank 22, a heating convex tube 23, a heating plate 24, a water injection pipe 25, a pressure relief valve 26 and a composite pipe 27. The rotating shaft 4 is rotatably installed through the top outer wall of the workbench 1. The bottom end of the rotating shaft 4 passing through the outer wall of the workbench 1 is sleeved with a first pulley 5. The outer wall of the first pulley 5 is sleeved with a belt 6. The rotating motor 8 is installed at the bottom end of the workbench 1 on one side of the first pulley 5. One end of the output shaft of the rotating motor 8 is sleeved with a second pulley 7 corresponding to the belt 6, and the other end of the belt 6 is sleeved on the outer wall of the second pulley 7. The top end of the rotating shaft 4 is fixed with a rotating block 9. A hexagonal groove 10 is opened on the top end of the rotating block 9. A positioning post 11 is fixed on the bottom inner wall of the hexagonal groove 10. A connecting head 12 is placed inside the hexagonal groove 10. Support legs 2 are fixed at the four corners of the bottom outer wall of the workbench 1. Through the cooperation of the rotating motor 8, the first pulley 5, the belt 6 and the second pulley 7, the rotating block 9 on the rotating shaft 4 is driven to rotate, thereby driving the connecting head 12 to rotate, which is convenient for brushing glue on the connecting head 12 and also convenient for connecting the composite pipe 27 and the connecting head 12, which is relatively perfect. A support plate 13 is fixed on one outer wall of the workbench 1. A hydraulic cylinder 14 is fixed on one side of the top end of the support plate 13. One end of the telescopic shaft of the hydraulic cylinder 14 is fixed with a mounting block 15. An adhesive tank 16 is opened on the top outer wall of the mounting block 15. A glue outlet hole 17 is opened on the bottom inner wall of one side of the adhesive tank 16. A glue-brushing cotton 18 is installed on one side of the mounting block 15 corresponding to the glue outlet hole 17. A sealing cover 19 is bolted on the top outer wall of the mounting block 15. A pressure pump 21 is installed on the top outer wall of the sealing cover 19, and the air inlet hole of the pressure pump 21 is communicated with the adhesive tank 16, which is convenient for applying glue to the connection part on the connecting head 12, which is relatively perfect, and further increases the stability and firmness of the connection between the connecting head 12 and the composite pipe 27. A sealing ring 20 is embedded at the joint between the sealing cover 19 and the mounting block 15, which increases the sealing performance of the connection between the sealing cover 19 and the mounting block 15, which is relatively practical. A water bath tank 22 is installed on the top outer wall of the workbench 1 on one side of the rotating block 9. A heating convex tube 23 is installed on the top outer wall of the water bath tank 22. A plurality of heating plates 24 are fixed on the inner wall of the water bath tank 22. The composite pipe 27 is inserted on the outer wall of the heating convex tube 23. A water injection pipe 25 is welded through the top outer wall of the water bath tank 22. A pressure relief valve 26 is installed on the top outer wall of the water bath tank 22 on one side of the water injection pipe 25, which is convenient for heating and softening the composite pipe 27 inserted on the heating convex tube 23, and is convenient for connecting the composite pipe 27 to the connecting head 12;On one side of the top end of the workbench 1, a material box 3 is fixed, which is relatively practical and perfect and is convenient for placing some connectors 12 and composite pipes 27.

[0027] Working principle: Start the heating plate 24. The heating plate 24 heats the water in the water bath tank 22, and the water heats the heating convex tube 23. Then insert the composite pipe 27 onto the heating convex tube 23 and heat the composite pipe 27 to soften it. At the same time, place the connector 12 into the hexagonal groove 10. Then start the hydraulic cylinder 14. The hydraulic cylinder 14 drives the mounting block 15 to move, and the mounting block 15 drives the brush rubber cotton 18 to fit the connection part of the connector 12. Start the pressure pump 21, and extrude the adhesive in the adhesive tank 16 from the glue outlet hole 17 and squeeze it onto the brush rubber cotton 18. Start the rotary motor 8. The rotary motor 8 drives the rotating block 9 on the rotating shaft 4 to rotate through the cooperation of the first belt pulley 5, the belt 6 and the second belt pulley 7, so as to drive the connector 12 to rotate, which is convenient for brushing glue around the connector 12. Then the staff inserts one end of the heated composite pipe 27 onto the connector 12 to complete the bonding connection between the connector 12 and the composite pipe 27.

[0028] The above-disclosed preferred embodiments of the present invention are only used to help illustrate the present invention. The preferred embodiments do not describe all the details in detail, nor do they limit the invention to the specific embodiments described. Obviously, many modifications and changes can be made according to the content of this specification. These embodiments are selected and specifically described in this specification to better explain the principle and practical application of the present invention, so that those skilled in the art in the relevant technical field can well understand and utilize the present invention. The present invention is only limited by the claims and their full scope and equivalents.

Claims

1. A special bonding device for a composite pipe fitting used in an automotive air conditioner, characterized in that, It includes a workbench, support legs, a material box, a rotating shaft, a first pulley, a belt, a second pulley, a rotating motor, a rotating block, a hexagonal groove, a positioning post, a connector, a support plate, a hydraulic cylinder, a mounting block, an adhesive tank, a glue outlet hole, a glue-brushing cotton, a sealing cover, a sealing ring, a pressure pump, a water bath tank, a heating convex tube, a heating plate, a water injection pipe, a pressure relief valve and a composite pipe. The rotating shaft is rotatably installed through the top outer wall of the workbench. The first pulley is sleeved on the bottom end of the rotating shaft passing through the outer wall of the workbench. The belt is sleeved on the outer wall of the first pulley. The rotating motor is installed on the bottom end of the workbench on one side of the first pulley. One end of the output shaft of the rotating motor is sleeved with the second pulley corresponding to the belt, and the other end of the belt is sleeved on the outer wall of the second pulley. The rotating block is fixed on the top end of the rotating shaft. The hexagonal groove is opened on the top end of the rotating block. The positioning post is fixed on the bottom inner wall of the hexagonal groove. The connector is placed inside the hexagonal groove. The support legs are fixed on the four corners of the bottom outer wall of the workbench. A water bath tank is installed on the top outer wall of the workbench on one side of the rotating block. The heating convex tube is installed on the top outer wall of the water bath tank. A plurality of heating plates are fixed on the inner wall of the water bath tank. The composite pipe is inserted on the outer wall of the heating convex tube. The water injection pipe is welded through the top outer wall of the water bath tank. The pressure relief valve is installed on the top outer wall of the water bath tank on one side of the water injection pipe. The support plate is fixed on one side outer wall of the workbench. The hydraulic cylinder is fixed on the top side of the support plate. The mounting block is fixed on one end of the telescopic shaft of the hydraulic cylinder. The adhesive tank is opened on the top outer wall of the mounting block. The glue outlet hole is opened on the bottom side inner wall of the adhesive tank. The glue-brushing cotton is installed on one side of the mounting block corresponding to the glue outlet hole. The sealing cover is bolted on the top outer wall of the mounting block. The pressure pump is installed on the top outer wall of the sealing cover, and the air inlet hole of the pressure pump is communicated with the adhesive tank.

2. The composite pipe fitting for automotive air conditioner and its special bonding equipment according to claim 1, characterized in that, A sealing ring is inlaid at the joint between the sealing cover and the mounting block.

3. The composite pipe fitting for automotive air conditioners and its special bonding equipment according to claim 1, characterized in that, The material box is fixed on the top side of the workbench.

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