A pipe end stripping machine for bondi tubes

Abstract

The utility model belongs to the technical field of pipeline processing, and relates to a pipe end stripping machine for Bundy pipe. The stripping machine comprises a main base, a driving shaft of a revolution driving motor is connected with a revolution main drive gear and penetrates through the main base, a revolution main drive shaft is arranged on one side of a rotation driving motor, the revolution main drive shaft is sequentially provided with a revolution driven gear, a gear box and a rotation main drive gear from right to left after penetrating through the main base, the revolution main drive gear and the revolution driven gear are meshed and connected, two driven gear shafts are arranged on the gear box, the two driven gear shafts are both provided with a rotation driven gear, and the two rotation driven gears are both meshed and connected with the rotation main drive gear. The utility model uses a split light wheel to split light for pipe materials, can effectively remove PA coating and an epoxy resin bottom layer, does not damage a galvanized layer, greatly improves the pipe material surface smoothness of the coating removal part, and can avoid processing deviation and overcut caused by the pipe material self-ellipticity and a bevel line.

Description

Technical Field

[0001] This utility model relates to a tube end peeling machine for Bondi tubes, belonging to the field of pipe processing technology. Background Technology

[0002] Double-layer welded pipe is called Bundy tubing. It is a high-precision, specialized pipe produced from copper-plated steel strip using unique rolling and copper brazing technology. The process involves cold-bending a steel strip coated with a brazing filler material with a lower melting point than the steel strip into a double-layer welded tube using a forming machine, and then welding the layers together using a special heating device to form the double-layer welded pipe. Bundy tubing is mainly used in the automotive, refrigeration, and heater manufacturing industries for oil pressure gauge lines, fuel lines, brake lines, and similar devices. It can also be widely used to replace copper pipes, reducing operating costs. Currently, the mainstream processes for removing the coating from the ends of PA-coated double-layer welded pipes used in this field are tool cutting, laser ablation, and wire wheel polishing. The drawbacks of these three methods are as follows: 1. Cutting method: Due to the roundness and straightness of the pipe, overcutting is easy to occur, especially for TL222-structure D-Zn / PA standard pipes, where the zinc coating thickness is only 25μm. When the circular runout of the product exceeds 25μm, the zinc coating will be cut through, exposing the base material. It will also make the pipe end wall thickness uneven, and the support force will not be uniform during the next process of end forming, thus reducing the end forming qualification rate. 2. Laser ablation method: Before the PA layer is coated on the double-layer welded pipe, an epoxy resin coating needs to be applied to the surface of the pipe to increase the adhesion of the PA coating. When the PA coating is removed by laser ablation, the epoxy resin coating under the PA layer cannot be removed. 3. Wire wheel polishing method: Using a wire wheel to polish the pipe can effectively remove the PA coating and epoxy resin underlayer, but it cannot control the damage to the galvanized layer and cannot guarantee the surface smoothness of the pipe at the coated area, thus affecting the anti-corrosion performance of the pipe and reducing the product qualification rate after end forming. Utility Model Content

[0003] To address the aforementioned problems, we propose a technical solution entitled "A stripping machine for the ends of a Bondi tube".

[0004] This utility model discloses a tube end peeling machine for Bondi tubes, characterized in that the peeling machine comprises: A main base 1 is provided. A revolution drive motor 2 and a rotation drive motor 3 are fixedly installed on the right side of the main base 1. The drive shaft of the revolution drive motor 2 passes through the main base 1 and is connected to a revolution main drive gear 4. A rotation main drive shaft 301 is provided on one side of the rotation drive motor 3. After passing through the main base 1, a revolution driven gear 5, a gearbox 6, and a rotation main drive gear 7 are installed sequentially from right to left on the rotation main drive shaft 301. The revolution main drive gear 4 and the revolution driven gear 5 are meshed and connected. Two driven gear shafts 8 are installed on the gearbox 6. A rotation driven gear 9 is installed on each of the two driven gear shafts 8. Both rotation driven gears 9 are meshed and connected to the rotation main drive gear 7. Gearbox housing 10, which is fixedly installed on the left side of gearbox 6; There are two polishing wheels 11, which are respectively mounted on two driven gear shafts 8 and located outside the gearbox housing 10.

[0005] Furthermore, a tube end positioning pin 12 is provided in the middle of the outer side of the gearbox housing 10.

[0006] Furthermore, a coupling 13 is provided on the self-rotating main drive shaft 301.

[0007] Furthermore, a protective cover 14 is installed on the left side of the main base 1, and a guide head 15 is provided at one end of the protective cover 14.

[0008] Furthermore, a limiting sleeve 16 is provided inside the guide head 15.

[0009] Furthermore, the protective cover 14 is provided with a number of maintenance locks 17.

[0010] The beneficial effects of this utility model are as follows: This utility model has a simple structure and is easy to operate. It uses a slitting wheel to slit the pipe, which can effectively remove the PA coating and epoxy resin underlayer without damaging the zinc plating layer. It greatly improves the surface smoothness of the pipe in the coated area and avoids processing deviations and overcutting caused by the ellipticity of the pipe itself and the bevel line.

[0011] This invention solves the problems of overcutting and PTFE residue inside the bevel line caused by non-circular pipes, significantly improving the product qualification rate, facilitating promotion and application, and possessing great practical value. Attached Figure Description

[0012] Figure 1 This is a schematic diagram of the overall structure of the present invention, wherein... Figure 1 As shown in the abstract figure.

[0013] Figure 2 This is a partial structural schematic diagram of the present invention.

[0014] Figure 3 This is a schematic diagram showing the positional relationship between the driven gear 5 and the gearbox 6 in this utility model.

[0015] Figure 4 This is a schematic diagram showing the positional relationship between the main base 1 and the driven gear 5 in this utility model.

[0016] Figure 5 This is a partial three-dimensional structural schematic diagram of the present invention.

[0017] Figure 6 This is a partial structural diagram of the present invention.

[0018] Figure 7 This is a partial structural cross-sectional view of the present invention.

[0019] Figure 8 This is a cross-sectional view of the overall structure of this utility model.

[0020] Figure captions: 1. Main base; 2. Rotation drive motor; 3. Self-rotation drive motor; 301. Self-rotation main drive shaft; 4. Revolutionary main drive gear; 5. Revolutionary driven gear; 6. Gearbox; 7. Self-rotation main drive gear; 8. Driven gear shaft; 9. Self-rotation driven gear; 10. Gearbox housing; 11. Slitting wheel; 12. Pipe end positioning pin; 13. Coupling; 14. Protective cover; 15. Guide head; 16. Limit sleeve; 17. Maintenance lock. Detailed Implementation

[0021] The following is a specific embodiment of this utility model with reference to the accompanying drawings, and the structure of this utility model is described in detail. It should be noted that the scope of application of this utility model is not limited to the following embodiment; all similar structures based on this utility model are within the scope of application of this utility model.

[0022] This utility model discloses a tube end peeling machine for Bondi tubes, characterized in that the peeling machine comprises: like Figures 1-5As shown, a main base 1 has a revolution drive motor 2 and a rotation drive motor 3 fixedly installed on its right side. The drive shaft of the revolution drive motor 2 passes through the main base 1 and is connected to a revolution main drive gear 4. A rotation main drive shaft 301 is provided on one side of the rotation drive motor 3. After passing through the main base 1, a revolution driven gear 5, a gearbox 6, and a rotation main drive gear 7 are installed sequentially from right to left on the rotation main drive shaft 301. The revolution driven gear 5 is fixedly connected to the gearbox 6 and rotates synchronously during operation. The revolution main drive gear 4 and the revolution driven gear 5 are meshed together. Two driven gear shafts 8 are installed on the gearbox 6. A rotation driven gear 9 is installed on each of the two driven gear shafts 8. Both rotation driven gears 9 are meshed together with the rotation main drive gear 7. Gearbox housing 10, such as Figure 5 As shown, the gearbox housing 10 is fixedly installed on the left side of the gearbox 6; Polishing wheel 11, such as Figure 6 As shown, there are two shaving wheels 11, which are respectively mounted on two driven gear shafts 8 and located outside the gearbox housing 10.

[0023] As a further description of this embodiment, such as Figure 5 As shown, a tube end positioning pin 12 is provided in the middle of the outer side of the gearbox housing 10. The tube end positioning pin 12 is used for centering the Bundy tube and plays a supporting role.

[0024] As a further description of this embodiment, such as Figure 8 As shown, a coupling 13 is provided on the self-rotating main drive shaft 301.

[0025] As a further description of this embodiment, such as Figure 1 As shown, a protective cover 14 is installed on the left side of the main base 1, and a guide head 15 is provided at one end of the protective cover 14.

[0026] As a further description of this embodiment, such as Figure 7 As shown, the guide head 15 is provided with a limiting sleeve 16 for limiting the Bundy tube.

[0027] As a further description of this embodiment, such as Figure 1 As shown, the protective cover 14 is provided with several maintenance locks 17. The protective cover 14 can be removed by opening the maintenance locks 17.

[0028] The working principle of this utility model is as follows: First, the Bondi tube is inserted into the guide head 15, installed on the positioning pin 12 at the end of the tube, and held within the radial range of the axis by the limiting sleeve 16. The self-rotating drive motor 3 drives the self-rotating main drive shaft 301 to rotate through the coupling 13. At the same time, the self-rotating main drive gear 7 fixed on the self-rotating main drive shaft 301 rotates with the self-rotating main drive shaft 301 and drives the two self-rotating driven gears 9 to rotate, thereby causing the two slicing wheels 11 on the driven gear shaft 8 to rotate accordingly. Meanwhile, the revolution drive motor 2 outputs torque to make the revolution main drive gear 4 rotate, driving the revolution driven gear 5 to rotate synchronously. Since the revolution driven gear 5 is fixedly connected to the gearbox 6, the gearbox 6 rotates synchronously, thereby realizing the two tube slicing wheels 11 revolving around the self-rotating main drive shaft 301, and finally realizing the slicing and polishing of the Bondi tube.

[0029] The technical solution of this utility model has been described in conjunction with the preferred embodiments shown in the accompanying drawings. However, it will be readily understood by those skilled in the art that the protection scope of this utility model is obviously not limited to these specific embodiments. Without departing from the principle of this utility model, those skilled in the art can make equivalent changes or substitutions to the relevant technical features, and the technical solutions after these changes or substitutions will all fall within the protection scope of this invention.

Claims

1. A tube end peeling machine for Bondi tubes, characterized in that, The peeling machine includes: A main base (1) is provided. A revolution drive motor (2) and a rotation drive motor (3) are fixedly installed on the right side of the main base (1). The drive shaft of the revolution drive motor (2) passes through the main base (1) and is connected to the revolution main drive gear (4). A rotation main drive shaft (301) is provided on one side of the rotation drive motor (3). After the rotation main drive shaft (301) passes through the main base (1), a revolution driven gear (5), a gearbox (6) and a rotation main drive gear (7) are installed from right to left. The revolution main drive gear (4) and the revolution driven gear (5) are meshed. The gearbox (6) is equipped with two driven gear shafts (8). A rotation driven gear (9) is installed on each of the two driven gear shafts (8). Both rotation driven gears (9) are meshed with the rotation main drive gear (7). Gearbox housing (10), the gearbox housing (10) is fixedly installed on the left side of the gearbox (6); There are two polishing wheels (11) and they are respectively mounted on two driven gear shafts (8) located outside the gearbox housing (10).

2. The tube end peeling machine for Bondi tubes according to claim 1, characterized in that, The gearbox housing (10) has a tube end positioning pin (12) in the middle of its outer side.

3. The tube end peeling machine for Bondi tubes according to claim 1, characterized in that, A coupling (13) is provided on the self-rotating main drive shaft (301).

4. The tube end peeling machine for Bondi tubes according to claim 1, characterized in that, A protective cover (14) is installed on the left side of the main base (1), and a guide head (15) is provided at one end of the protective cover (14).

5. The tube end peeling machine for a Bondi tube according to claim 4, characterized in that, The guide head (15) is provided with a limiting sleeve (16).

6. The tube end peeling machine for a Bondi tube according to claim 4, characterized in that, The protective cover (14) is equipped with several maintenance locks (17).

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