Steel skeleton composite pipe inner wall coating equipment

Abstract

The utility model discloses a kind of steel skeleton composite pipe inner wall coating equipment, it includes support plate, multiple cross bars are equipped on the support plate top, pulley is equipped on the left and right sides of the cross bar, first sleeve and second sleeve are fixedly connected on the cross bar, connecting plate is fixedly connected on the first sleeve, L-shaped plate is fixedly connected on the connecting plate, sliding slot is equipped in the first sleeve and second sleeve, sliding block is slidably connected in the sliding slot, spring is fixedly connected in the lower inner wall of the first sleeve and second sleeve, connecting rod is fixedly connected on the sliding block, connecting block is fixedly connected on the other end of the connecting rod, rotating nozzle is fixedly connected on the right side of the connecting block. By being provided with connecting block, pulley, cross bar, sleeve, sliding slot, sliding block, connecting rod, spring, connecting plate and rotating nozzle on support plate, the precision spraying for different size composite pipe can be realized.

Description

Technical Field

[0001] This utility model relates to the field of coating technology, and in particular to a coating device for the inner wall of a steel-framed composite pipe. Background Technology

[0002] Steel-reinforced composite pipe inner wall coating equipment is a specialized automated or semi-automated device used to coat the inner wall surface of steel-reinforced composite pipes with one or more functional coatings, such as anti-corrosion, wear-resistant, antibacterial, and drag-reducing coatings. Its core function is to improve the performance of the inner wall of the pipe and meet the usage requirements of different transport media.

[0003] Existing pipe inner wall coating equipment is mostly designed with fixed dimensions. If the pipe diameter needs to be changed, the entire nozzle module, support frame, and conveyor roller assembly need to be disassembled and replaced. Some devices even require the replacement of the main unit. The disassembly and modification process usually takes 1-2 hours and requires recalibration of coaxiality, which seriously interrupts the continuity of the production line and cannot meet the needs of multi-specification batch production. Utility Model Content

[0004] The purpose of this invention is to provide a coating device for the inner wall of a steel-reinforced composite pipe. By setting a connecting block, pulley, crossbar, sleeve, groove, slider, connecting rod, spring, connecting plate and rotating nozzle on a support plate, for composite pipes of different diameters, the L-shaped plate on the connecting plate can be pulled first to make the connecting rod fully retract into the sleeve. Then the coating device is placed inside the composite pipe. After releasing the L-shaped plate, the spring will release its elastic force, causing the pulley to tightly adhere to the inner wall of the composite pipe, thereby achieving precise spraying of composite pipes of different sizes.

[0005] To achieve the above objectives, a coating device for the inner wall of a steel-reinforced composite pipe is provided, comprising a support plate, a plurality of crossbars above the support plate, pulleys on both sides of the crossbars, a first sleeve and a second sleeve fixedly connected to the crossbars, a connecting plate fixedly connected to the first sleeve, and the other end of the connecting plate fixedly connected to the second sleeve, an L-shaped plate fixedly connected to the connecting plate, a sliding groove provided inside the first sleeve and the second sleeve, a slider slidably connected inside the sliding groove, a spring fixedly connected to the lower inner wall of the first sleeve and the second sleeve, and the other end of the spring fixedly connected to the slider, a connecting rod fixedly connected to the slider, a connecting block fixedly connected to the other end of the connecting rod, and a rotating nozzle fixedly connected to the right side of the connecting block.

[0006] According to the steel-framed composite pipe inner wall coating equipment, a second connecting frame is located above the support plate. Bearings are fixedly connected to the front and rear side walls of the second connecting frame. A second connecting rod is fixedly connected to the inner wall of the bearing. A concave wheel is fixedly connected to the middle of the second connecting rod. A driven wheel is fixedly connected to the front end of the second connecting rod. A second motor is fixedly connected to the support plate via a support base. A driving wheel is fixedly connected to the output shaft of the second motor. The driving wheel and the driven wheel are connected by a conveyor belt. A second hydraulic cylinder is fixedly connected to the second connecting frame. A third connecting frame is fixedly connected to the output end of the second hydraulic cylinder. An upper concave wheel is rotatably connected to the inner wall of the third connecting frame via a rotating shaft.

[0007] According to the steel-framed composite pipe inner wall coating equipment, a first connecting frame is fixedly connected above the support plate, a first hydraulic cylinder is fixedly connected above the first connecting frame, an upper clamping plate is fixedly connected to the output end of the first hydraulic cylinder, a support block is fixedly connected above the support plate, a lower clamping plate is fixedly connected above the support block, a protective film is fixedly connected to the inner walls of both the lower and upper clamping plates, and a support frame is fixedly connected above the support plate, with the support frame and the lower clamping plate having the same height.

[0008] According to the steel-framed composite pipe inner wall coating equipment, a storage tank is fixedly connected above the support plate, a first motor is fixedly connected above the storage tank, a first connecting rod is fixedly connected to the output shaft of the first motor, a plurality of stirring blades are fixedly connected to the first connecting rod, a hydraulic pump is fixedly connected to the right side of the storage tank, a suction pipe is fixedly connected to the hydraulic pump, and the other end of the suction pipe passes through the connecting block and is fixedly connected to the rotating nozzle.

[0009] According to the steel-framed composite pipe inner wall coating equipment, the storage tank is provided with a liquid inlet at the top, and a first cap is threadedly connected to the liquid inlet. The storage tank is provided with a liquid outlet on the left side, and a second cap is threadedly connected to the liquid outlet.

[0010] According to the steel-framed composite pipe inner wall coating equipment, the support plate is provided with a slot, and a storage box is fixedly connected below the support plate, with the opening of the storage box corresponding to the slot.

[0011] According to the steel-framed composite pipe inner wall coating equipment, a controller is fixedly connected to the front wall of the first connecting frame.

[0012] According to the steel-framed composite pipe inner wall coating equipment, multiple bases are fixedly connected below the support plate.

[0013] The above-mentioned solution has the following beneficial effects:

[0014] This utility model is equipped with a support plate consisting of a connecting block, pulley, crossbar, sleeve, groove, slider, connecting rod, spring, connecting plate, and rotating nozzle. For composite pipes of different diameters, the L-shaped plate on the connecting plate can be pulled first to fully retract the connecting rod into the sleeve. Then, the coating device is placed inside the composite pipe. After releasing the L-shaped plate, the spring will release its elasticity, causing the pulley to press tightly against the inner wall of the composite pipe, thereby achieving precise spraying of composite pipes of different sizes.

[0015] Additional aspects and advantages of this invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. Attached Figure Description

[0016] The present invention will be further described below with reference to the accompanying drawings and embodiments;

[0017] Figure 1 This is an isometric view of a steel-framed composite pipe inner wall coating device according to this utility model;

[0018] Figure 2 This is a front view of a steel-framed composite pipe inner wall coating device according to the present invention;

[0019] Figure 3 This is a first-view cross-sectional view of a steel-framed composite pipe inner wall coating device according to this utility model;

[0020] Figure 4 This is a second-angle cross-sectional view of a steel-framed composite pipe inner wall coating device according to this utility model;

[0021] Figure 5 for Figure 1 Enlarged view of point A in the middle.

[0022] Legend:

[0023] The components include: 1. Support plate; 2. Base; 3. Support frame; 4. First connecting frame; 5. Controller; 6. Support block; 7. Lower clamping plate; 8. Upper clamping plate; 9. Slot; 10. First hydraulic cylinder; 11. Protective film; 12. Second connecting frame; 13. Suction pipe; 14. Hydraulic pump; 15. Second hydraulic cylinder; 16. Storage tank; 17. First motor; 18. Second connecting rod; 19. Lower concave wheel; 20. Third connecting frame; 21. Upper concave wheel; 22. Support seat; 3. Second motor; 24. Drive wheel; 25. Driven wheel; 26. Conveyor belt; 27. Bearing; 28. First connecting rod; 29. ​​Stirring blade; 30. Liquid inlet; 31. First cap; 32. Liquid outlet; 33. Second cap; 34. Storage box; 35. Connecting block; 36. Rotating nozzle; 37. Connecting plate; 38. First sleeve; 39. Second sleeve; 40. Pulley; 41. Spring; 42. Connecting rod; 43. Slider; 44. Slide groove; 45. Crossbar. Detailed Implementation

[0024] This section will describe in detail the specific embodiments of the present utility model. The preferred embodiments of the present utility model are shown in the accompanying drawings. The purpose of the drawings is to supplement the textual description with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the present utility model, but they should not be construed as limiting the scope of protection of the present utility model.

[0025] Reference Figure 1-5 This utility model discloses a coating device for the inner wall of a steel-framed composite pipe, comprising a support plate 1, with multiple crossbars 45 above the support plate 1. Each crossbar 45 has pulleys 40 on both its left and right sides, allowing the coating device to move along the inner wall of the composite pipe. A first sleeve 38 and a second sleeve 39 are fixedly connected to the crossbars 45. A connecting plate 37 is fixedly connected to the first sleeve 38, and the other end of the connecting plate 37 is fixedly connected to the second sleeve 39. An L-shaped plate is fixedly connected to the connecting plate 37. Both the first sleeve 38 and the second sleeve 39 have internal grooves 44, with sliders 4 slidingly connected inside the grooves 44. 3. Springs 41 are fixedly connected to the inner walls of the first sleeve 38 and the second sleeve 39. The other end of the spring 41 is fixedly connected to the slider 43. A connecting rod 42 is fixedly connected to the slider 43. A connecting block 35 is fixedly connected to the other end of the connecting rod 42. A rotating nozzle 36 is fixedly connected to the right side of the connecting block 35. By pulling the L-shaped plate on the connecting plate 37, the connecting rod 42 is completely retracted into the sleeve. Then, the coating device is placed inside the composite tube. After the L-shaped plate is released, the spring 41 will release its elastic force, causing the pulley 40 to press tightly against the inner wall of the composite tube, thereby achieving precise spraying of composite tubes of different sizes.

[0026] A second connecting frame 12 is located above the support plate 1. Bearings 27 are fixedly connected to the front and rear side walls of the second connecting frame 12. A second connecting rod 18 is fixedly connected to the inner wall of the bearing 27. A concave wheel 19 is fixedly connected to the middle of the second connecting rod 18. A driven wheel 25 is fixedly connected to the front end of the second connecting rod 18. A second motor 23 is fixedly connected to the support plate 1 via a support base 22. A driving wheel 24 is fixedly connected to the output shaft of the second motor 23. The driving wheel 24 and the driven wheel 25 are connected by a conveyor belt 26, which drives the concave wheel 19 to rotate. A second hydraulic cylinder 15 is fixedly connected to the top of the second connecting frame 12. The output end of the 15 is fixedly connected to a third connecting frame 20. An upper concave wheel 21 is rotatably connected to the inner wall of the third connecting frame 20 via a rotating shaft. Controlling the second hydraulic cylinder 15 causes the upper concave wheel 21 to move downwards, compressing it against the suction pipe 13 on the lower concave wheel 19. Then, through the operation of the first motor 17, the suction pipe 13 is conveyed. A first connecting frame 4 is fixedly connected above the support plate 1. A first hydraulic cylinder 10 is fixedly connected above the first connecting frame 4. An upper clamping plate 8 is fixedly connected to the output end of the first hydraulic cylinder 10. A support block 6 is fixedly connected above the support plate 1. A lower clamping plate 7 is fixedly connected above the support block 6. The lower clamping plate 7 and... Protective films 11 are fixedly connected to the inner walls of the upper clamping plate 8. The upper clamping plate 8 and the lower clamping plate 7 are controlled by the first hydraulic cylinder 10 to fit together, thus fixing the composite tube. A support frame 3 is fixedly connected above the support plate 1, and the support frame 3 is at the same height as the lower clamping plate 7. A storage tank 16 is fixedly connected above the support plate 1 to store the required coating. A first motor 17 is fixedly connected above the storage tank 16. A first connecting rod 28 is fixedly connected to the output shaft of the first motor 17. Multiple stirring blades 29 are fixedly connected to the first connecting rod 28 to prevent coating sedimentation. A hydraulic pump 14 is fixedly connected to the right side of the storage tank 16. A hydraulic pump 14 is fixedly connected to... A suction tube 13 is connected, and the other end of the suction tube 13 passes through the connecting block 35 and is fixedly connected to the rotating nozzle 36. A liquid inlet 30 is provided above the storage tank 16, and a first cap 31 is threadedly connected to the liquid inlet 30. A liquid outlet 32 ​​is provided on the left side of the storage tank 16, and a second cap 33 is threadedly connected to the liquid outlet 32. A slot 9 is provided on the support plate 1, and a storage box 34 is fixedly connected below the support plate 1 to place the excessively long suction tube 13. The opening of the storage box 34 corresponds to the slot 9. A controller 5 is fixedly connected to the front wall of the first connecting frame 4, and multiple bases 2 are fixedly connected below the support plate 1 to support the entire machine.

[0027] Working principle: First, the controller 5 operates the first hydraulic cylinder 10, driving the upper clamping plate 8 to move downwards and fit against the lower clamping plate 7. The protective film 11 on the inner wall of the clamping plate clamps the composite tube, completing the fixation. Then, the required coating is injected into the storage tank 16, and the first motor 17 inside the storage tank 16 drives the stirring blade 29 to rotate to prevent the coating from settling. At the same time, the hydraulic pump 14 starts, transporting the coating in the storage tank 16 to the rotating nozzle 36 through the suction pipe 13. Then, the L-shaped plate on the connecting plate 37 is pulled, causing the connecting rod 42 to move. The sleeve is retracted, and the coating device with the rotating nozzle 36 is placed into the composite tube. After the L-shaped plate is released, the spring 41 drives the pulley 40 to press tightly against the inner wall of the tube. At the same time, the second motor 23 drives the lower concave wheel 19 to rotate through the belt drive, and the second hydraulic cylinder 15 controls the upper concave wheel 21 to press down, which cooperates with the lower concave wheel 19 to squeeze the suction tube 13, so that the suction tube 13 pushes the spraying device into the composite tube. The excessively long suction tube 13 can be put into the storage box 34. Finally, the inner wall of the composite tube with different diameters is sprayed by the rotating nozzle 36.

[0028] In the description of this utility model, it should be understood that the terms "coaxial," "bottom," "one end," "top," "middle," "other end," "upper," "side," "top," "inner," "front," "center," and "both ends," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. At the same time, unless otherwise explicitly specified and limited, the terms "set," "install," "connect," and "fixed installation," 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 communication of two elements or the interaction relationship between two elements. 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.

[0029] The embodiments of the present utility model have been described in detail above with reference to the accompanying drawings. However, the present utility model is not limited to the above embodiments. Within the scope of knowledge possessed by those skilled in the art, various changes can be made without departing from the spirit of the present utility model.

Claims

1. A coating device for the inner wall of a steel-reinforced composite pipe, comprising: A support plate (1) is characterized in that a plurality of crossbars (45) are provided above the support plate (1), and pulleys (40) are provided on both the left and right sides of the crossbars (45). A first sleeve (38) and a second sleeve (39) are fixedly connected to the crossbars (45). A connecting plate (37) is fixedly connected to the first sleeve (38), and the other end of the connecting plate (37) is fixedly connected to the second sleeve (39). An L-shaped plate is fixedly connected to the connecting plate (37). The first sleeve (38) and the second sleeve (39) are fixedly connected to the first sleeve (38) and the second sleeve (39) are fixedly connected to the second sleeve (39). The sleeve (39) is provided with a sliding groove (44) inside. A slider (43) is slidably connected inside the sliding groove (44). A spring (41) is fixedly connected to the lower inner wall of the first sleeve (38) and the second sleeve (39). The other end of the spring (41) is fixedly connected to the slider (43). A connecting rod (42) is fixedly connected to the slider (43). A connecting block (35) is fixedly connected to the other end of the connecting rod (42). A rotating nozzle (36) is fixedly connected to the right side of the connecting block (35).

2. The steel-reinforced composite pipe inner wall coating equipment according to claim 1, characterized in that, The second connecting frame (12) is located above the support plate (1). Bearings (27) are fixedly connected to the front and rear side walls of the second connecting frame (12). A second connecting rod (18) is fixedly connected to the inner wall of the bearing (27). A concave wheel (19) is fixedly connected to the middle of the second connecting rod (18). A driven wheel (25) is fixedly connected to the front end of the second connecting rod (18). A second motor (23) is fixedly connected to the support plate (1) via a support base (22). A driving wheel (24) is fixedly connected to the output shaft of the second motor (23). The driving wheel (24) and the driven wheel (25) are connected by a transmission belt (26). A second hydraulic cylinder (15) is fixedly connected to the top of the second connecting frame (12). A third connecting frame (20) is fixedly connected to the output end of the second hydraulic cylinder (15). An upper concave wheel (21) is rotatably connected to the inner wall of the third connecting frame (20) via a rotating shaft.

3. The steel-reinforced composite pipe inner wall coating equipment according to claim 1, characterized in that, A first connecting frame (4) is fixedly connected above the support plate (1), a first hydraulic cylinder (10) is fixedly connected above the first connecting frame (4), an upper clamping plate (8) is fixedly connected to the output end of the first hydraulic cylinder (10), a support block (6) is fixedly connected above the support plate (1), a lower clamping plate (7) is fixedly connected above the support block (6), a protective film (11) is fixedly connected to the inner walls of both the lower clamping plate (7) and the upper clamping plate (8), a support frame (3) is fixedly connected above the support plate (1), and the support frame (3) is at the same height as the lower clamping plate (7).

4. The steel-reinforced composite pipe inner wall coating equipment according to claim 1, characterized in that, A storage tank (16) is fixedly connected above the support plate (1), and a first motor (17) is fixedly connected above the storage tank (16). The output shaft of the first motor (17) is fixedly connected to a first connecting rod (28), and multiple stirring blades (29) are fixedly connected to the first connecting rod (28). A hydraulic pump (14) is fixedly connected to the right side of the storage tank (16), and a suction pipe (13) is fixedly connected to the hydraulic pump (14). The other end of the suction pipe (13) passes through the connecting block (35) and is fixedly connected to the rotating nozzle (36).

5. The steel-reinforced composite pipe inner wall coating equipment according to claim 4, characterized in that, The storage tank (16) is provided with an inlet (30) at the top, and a first cap (31) is threaded onto the inlet (30). The storage tank (16) is provided with an outlet (32) on the left side, and a second cap (33) is threaded onto the outlet (32).

6. The steel-reinforced composite pipe inner wall coating equipment according to claim 1, characterized in that, The support plate (1) has a slot (9), and a storage box (34) is fixedly connected below the support plate (1), with the opening of the storage box (34) corresponding to the slot (9).

7. The steel-reinforced composite pipe inner wall coating equipment according to claim 3, characterized in that, A controller (5) is fixedly connected to the front wall of the first connecting frame (4).

8. The steel-reinforced composite pipe inner wall coating equipment according to claim 1, characterized in that, Multiple bases (2) are fixedly connected below the support plate (1).

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