Device for pasting protective layer on inner wall of pipe

Abstract

The utility model relates to the technical field of pipe processing, in particular to a pipe inner wall protective layer pasting device which comprises a main shaft, a first air cylinder is fixedly connected to the outer surface of the main shaft, a supporting plate is fixedly connected to the output end of the first air cylinder, and a second air cylinder is fixedly connected to the side, close to the first air cylinder, of the main shaft. The output end of the second air cylinder is fixedly connected with an adsorption plate. The device has the advantages that the air pump is started to enable the adsorption holes in the adsorption plate to have adsorption capacity, the device is placed on a sheet protection layer to rotate by a circle, the sheet protection layer is adsorbed by the adsorption plate and material taking is completed, the air cylinder retracts to enable the sheet protection layer to be changed into a retracted state shape from an opened state shape, and material taking is completed. After the device extends into the circular tube, the air cylinder extends out to enable the sheet protection layer to be changed into a retracted state shape from an open state shape, so that the sheet protection layer can be adhered to the inner wall of the circular tube, and the adhering efficiency of the sheet protection layer is effectively improved.

Description

Technical Field

[0001] The utility model relates to the technical field of pipe processing, in particular to a device for pasting a protective layer on the inner wall of a pipe. Background Technique

[0002] Pipes are materials used for making pipe fittings. Different pipe fittings require different pipes. The quality of the pipes directly determines the quality of the pipe fittings. Pipes are essential materials for construction projects. Commonly used ones include water supply pipes, drainage pipes, gas pipes, heating pipes, wire conduits, rainwater pipes, etc.

[0003] In the military industry, a thin protective layer needs to be pasted on the inner wall of a round pipe. The material of the thin protective layer is a special plastic. Such a thin sheet has self-adhesive properties. At present, all pasting work is completed manually, with low efficiency, low yield, and poor consistency. Therefore, there is an urgent need for a device for pasting a protective layer on the inner wall of a pipe. Content of the Utility Model

[0004] The purpose of the utility model aims to solve at least one of the technical defects.

[0005] The purpose of the utility model is to overcome the shortcomings of the prior art, solve the problems mentioned in the background technique, and provide a device for pasting a protective layer on the inner wall of a pipe.

[0006] The purpose of the utility model is achieved by the following technical solutions: A device for pasting a protective layer on the inner wall of a pipe, including a main shaft 1. A first cylinder 2 is fixedly connected to the outer surface of the main shaft 1. The output end of the first cylinder 2 is fixedly connected to a support plate 3. A second cylinder 4 is fixedly connected to one side of the main shaft 1 close to the first cylinder 2. The output end of the second cylinder 4 is fixedly connected to an adsorption plate 5. Air pipe connection holes 6 are opened on both the left and right sides of the adsorption plate 5. An adsorption hole 7 is opened on the top of the adsorption plate 5.

[0007] Preferably, a first groove is opened on the top of the support plate 3. A first connection hole 8 is opened inside the first groove. A first connection screw 9 is threadedly connected inside the first connection hole 8. The end of the first connection screw 9 is threadedly connected to the output end of the first cylinder 2.

[0008] By adopting the above technical solution, the support plate 3 can be stably connected to the output end of the first cylinder 2 through the first connection screw 9.

[0009] Preferably, a second groove is opened on the top of the adsorption plate 5. A second connection hole 10 is opened inside the second groove. A second connection screw 11 is threadedly connected inside the second connection hole 10. The end of the second connection screw 11 is threadedly connected to the output end of the second cylinder 4.

[0010] By adopting the above technical solution, the support plate 3 can be stably connected to the output end of the second cylinder 4 through the second connecting screw 11.

[0011] Preferably, the number of the first cylinders 2 and the second cylinders 4 is three each. The three first cylinders 2 are arranged on the outer surface of the main shaft 1 at 120 degrees, and the three second cylinders 4 are arranged on the outer surface of the main shaft 1 at 120 degrees. The positions of the first cylinders 2 and the second cylinders 4 are staggered.

[0012] By adopting the above technical solution, six cylinders can be evenly distributed on the outer surface of the main shaft 1, so that the positions of the three support plates 3 and the three adsorption plates 5 are staggered.

[0013] Preferably, the adsorption holes 7 are circular holes, and the number of the adsorption holes 7 is several. The several adsorption holes 7 are evenly distributed on the outer surface of the adsorption plate 5.

[0014] By adopting the above technical solution, multiple adsorption plates 5 are connected through air pipes, and an air pump is connected to the air pipes. When the air pump sucks air, the adsorption holes 7 can suck air, so that the adsorption plate 5 has the ability to adsorb the thin sheet protective layer 12.

[0015] Preferably, the top surface of the support plate 3 is an arc surface, the top surface of the adsorption plate 5 is an arc surface, the radian of the top surface of the support plate 3 is adapted to the radian of the top surface of the adsorption plate 5, and the thin sheet protective layer 12 is arranged on the top surfaces of the support plate 3 and the adsorption plate 5.

[0016] By adopting the above technical solution, the functions of the support plate 3 and the adsorption plate 5 are to stably support the thin sheet protective layer 12.

[0017] Compared with the prior art, the utility model has the following advantages:

[0018] 1. The device for pasting a protective layer on the inner wall of the pipe. By setting the adsorption plate 5, on one side of the main shaft 1 close to the first cylinder 2, there is a fixed connection with the second cylinder 4. The output end of the second cylinder 4 is fixedly connected with the adsorption plate 5. On both the left and right sides of the adsorption plate 5, there are gas pipe connection holes 6 opened, and on the top of the adsorption plate 5, there is an adsorption hole 7. The gas pipe connection holes 6 are connected with the gas pipes, and the end of the gas pipe is connected with an air pump. When taking materials, the first cylinder 2 and the second cylinder 4 extend, and the adsorption plate 5 and the support plate 3 are in an open state. Start the air pump so that the adsorption holes 7 on the adsorption plate 5 have adsorption ability. Place the device on the thin sheet protective layer 12 and rotate it in a circle. The thin sheet protective layer is adsorbed by the adsorption plate 5 to complete the material taking. After the material taking is completed, the first cylinder 2 and the second cylinder 4 retract, and the adsorption plate 5 and the support plate 3 are in a retracted state. The shape of the thin sheet protective layer 12 changes from the open state shape to the retracted state shape, and the perimeters of the two shapes are equal. Insert the device into the inside of the circular pipe. The first cylinder 2 and the second cylinder 4 extend so that the adsorption plate 5 and the support plate 3 stick the thin sheet protective layer 12 on the inner wall of the circular pipe. After the first cylinder 2 and the second cylinder 4 are reset, rotate the main shaft 1 and continuously open and retract the adsorption plate 5 and the support plate 3 to realize the staggered compaction of the thin sheet protective layer 12. Finally, the first cylinder 2 and the second cylinder 4 retract the adsorption plate 5 and the support plate 3 and withdraw from the circular pipe to complete the pasting of the thin sheet protective layer 12, effectively improving the pasting efficiency of the thin sheet protective layer 12. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 is a schematic structural diagram of the present utility model;

[0020] Figure 2 is a schematic structural diagram of the adsorption plate of the present utility model;

[0021] Figure 3 is a schematic structural diagram of the first state of the present utility model;

[0022] Figure 4 is a schematic structural diagram of the second state of the present utility model.

[0023] In the figure: 1 - main shaft, 2 - first cylinder, 3 - support plate, 4 - second cylinder, 5 - adsorption plate, 6 - gas pipe connection hole, 7 - adsorption hole, 8 - first connection hole, 9 - first connection screw, 10 - second connection hole, 11 - second connection screw, 12 - thin sheet protective layer. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0024] The additional aspects and advantages of the present utility model will be further given in the following description in conjunction with the drawings, and some will become obvious from the following description, or be understood through the practice of the present utility model.

[0025] Such as Figures 1-4As shown in the figure, a device for pasting a protective layer on the inner wall of a pipe includes a main shaft 1. A first cylinder 2 is installed on the outer surface of the main shaft 1 through screws. The output end of the first cylinder 2 is connected to a support plate 3 through a first connecting screw 9. A second cylinder 4 is fixedly connected to one side of the main shaft 1 close to the first cylinder 2. The output end of the second cylinder 4 is connected to an adsorption plate 5 through a second connecting screw 11. Air pipe connection holes 6 are formed on both the left and right sides of the adsorption plate 5, and an adsorption hole 7 is formed on the top of the adsorption plate 5.

[0026] With the above settings, when taking materials, the first cylinder 2 and the second cylinder 4 extend, and the adsorption plate 5 and the support plate 3 are in an open state. Start the air pump to make the adsorption hole 7 on the adsorption plate 5 have adsorption ability. Place the device on the thin sheet protective layer 12 and rotate it for one circle. The thin sheet protective layer is adsorbed by the adsorption plate 5 to complete the material taking. After the material taking is completed, the first cylinder 2 and the second cylinder 4 retract, and the adsorption plate 5 and the support plate 3 are in a retracted state. The shape of the thin sheet protective layer 12 changes from the open state shape to the retracted state shape, and the perimeters of the two shapes are equal. Insert the device into the inner part of the circular pipe. The first cylinder 2 and the second cylinder 4 extend to make the adsorption plate 5 and the support plate 3 stick the thin sheet protective layer 12 to the inner wall of the circular pipe. After the first cylinder 2 and the second cylinder 4 are reset, rotate the main shaft 1 and continuously open and retract the adsorption plate 5 and the support plate 3 to realize the staggered compaction of the thin sheet protective layer 12. Finally, the first cylinder 2 and the second cylinder 4 retract the adsorption plate 5 and the support plate 3 and withdraw from the circular pipe to complete the pasting of the thin sheet protective layer 12, effectively improving the pasting efficiency of the thin sheet protective layer 12.

[0027] As a preferred technical solution of the present invention, a first groove is formed on the top of the support plate 3. A first connection hole 8 is formed inside the first groove. A first connecting screw 9 is threadedly connected inside the first connection hole 8. The end of the first connecting screw 9 is threadedly connected to the output end of the first cylinder 2.

[0028] As a preferred technical solution of the present invention, a second groove is formed on the top of the adsorption plate 5. A second connection hole 10 is formed inside the second groove. A second connecting screw 11 is threadedly connected inside the second connection hole 10. The end of the second connecting screw 11 is threadedly connected to the output end of the second cylinder 4.

[0029] As a preferred technical solution of the present invention, the number of both the first cylinder 2 and the second cylinder 4 is three. The three first cylinders 2 are arranged on the outer surface of the main shaft 1 at 120 degrees. The three second cylinders 4 are arranged on the outer surface of the main shaft 1 at 120 degrees. The positions of the first cylinder 2 and the second cylinder 4 are staggered.

[0030] As a preferred technical solution of the present utility model, the adsorption holes 7 are circular holes, and the number of the adsorption holes 7 is several. The several adsorption holes 7 are evenly distributed on the outer surface of the adsorption plate 5.

[0031] As a preferred technical solution of the present utility model, the top surface of the support plate 3 is an arc surface, the top surface of the adsorption plate 5 is an arc surface, the radian of the top surface of the support plate 3 is adapted to the radian of the top surface of the adsorption plate 5, and a thin sheet protective layer 12 is arranged on the top surfaces of the support plate 3 and the adsorption plate 5.

[0032] The working process of the present utility model is as follows:

[0033] S1. When taking materials, the first cylinder 2 and the second cylinder 4 extend, the adsorption plate 5 and the support plate 3 are in an open state. Start the air pump so that the adsorption holes 7 on the adsorption plate 5 have adsorption capacity. Place the device on the thin sheet protective layer 12 and rotate it for one circle. The thin sheet protective layer is adsorbed by the adsorption plate 5, and the material taking is completed.

[0034] S2. After the material taking is completed, the first cylinder 2 and the second cylinder 4 retract, the adsorption plate 5 and the support plate 3 are in a retracted state. The shape of the thin sheet protective layer 12 changes from an open state shape to a retracted state shape, and the perimeters of the two shapes are equal. Insert the device into the inner part of the circular tube. The first cylinder 2 and the second cylinder 4 extend so that the adsorption plate 5 and the support plate 3 stick the thin sheet protective layer 12 to the inner wall of the circular tube.

[0035] S3. After the first cylinder 2 and the second cylinder 4 are reset, rotate the main shaft 1 and continuously open and retract the adsorption plate 5 and the support plate 3 to realize the staggered compaction of the thin sheet protective layer 12.

[0036] S4. Finally, the first cylinder 2 and the second cylinder 4 retract the adsorption plate 5 and the support plate 3 and withdraw from the circular tube to complete the pasting of the thin sheet protective layer 12.

[0037] Although the embodiments of the present utility model have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the present utility model. The scope of the present utility model is defined by the appended claims and their equivalents.

Claims

1. A device for pasting a protective layer on the inner wall of a pipe, characterized in that: The invention comprises a main shaft (1), wherein the outer surface of the main shaft (1) is fixedly connected to a first cylinder (2), the output end of the first cylinder (2) is fixedly connected to a support plate (3), the side of the main shaft (1) close to the first cylinder (2) is fixedly connected to a second cylinder (4), the output end of the second cylinder (4) is fixedly connected to an adsorption plate (5), the left and right sides of the adsorption plate (5) are both provided with air pipe connection holes (6), and the top of the adsorption plate (5) is provided with an adsorption hole (7).

2. A device for pasting a protective layer on the inner wall of a pipe according to claim 1, characterized in that: A first groove is formed on the top of the support plate (3), a first connecting hole (8) is formed inside the first groove, a first connecting screw (9) is threadedly connected inside the first connecting hole (8), and an end of the first connecting screw (9) is threadedly connected to an output end of the first cylinder (2).

3. The device for pasting a protective layer on the inner wall of a pipe according to claim 1, characterized in that: A second groove is provided at the top of the adsorption plate (5), a second connecting hole (10) is provided inside the second groove, a second connecting screw (11) is threadedly connected inside the second connecting hole (10), and an end of the second connecting screw (11) is threadedly connected to an output end of the second cylinder (4).

4. The device for pasting a protective layer on the inner wall of a pipe according to claim 1, characterized in that: The number of the first cylinders (2) and the number of the second cylinders (4) are both three, the three first cylinders (2) are arranged at one hundred and twenty degrees on the outer surface of the main shaft (1), and the three second cylinders (4) are arranged at one hundred and twenty degrees on the outer surface of the main shaft (1), and the positions of the first cylinders (2) and the second cylinders (4) are staggered.

5. The device for pasting a protective layer on the inner wall of a pipe according to claim 1, characterized in that: The adsorption holes (7) are circular holes, there are a plurality of the adsorption holes (7), and the plurality of the adsorption holes (7) are evenly distributed on the outer surface of the adsorption plate (5).

6. The device for pasting a protective layer on the inner wall of a pipe according to claim 1, characterized in that: The top surface of the support plate (3) is a curved surface, and the top surface of the adsorption plate (5) is a curved surface. The curvature of the top surface of the support plate (3) matches the curvature of the top surface of the adsorption plate (5). The top surfaces of the support plate (3) and the adsorption plate (5) are provided with a thin sheet protective layer (12).

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