Plastic-coated steel pipe coating curing device

Abstract

The utility model discloses a plastic-coated steel pipe coating curing device which comprises a supporting base and two connecting frames, the outer wall of one connecting ring is sleeved with a gear ring, one side of the outer wall of each connecting frame is fixedly provided with a fixing frame, one end of each fixing frame is fixedly provided with a lantern ring, the top end of one fixing frame is fixedly provided with a first motor, and the top end of the other fixing frame is fixedly provided with a second motor. A gear is fixedly arranged at the output end of the first motor, and first air heaters are arranged on the inner walls of the two connecting frames. According to the device, the first hot-air blowers in the two connecting frames are started to enable the air outlet holes to discharge air, meanwhile, the first motor is started to enable the gear to rotate to be meshed with the gear ring to rotate, the connecting ring rotates along with the gear ring to drive the steel pipe to rotate, and the second hot-air blowers are started to uniformly discharge air to the outer wall of the steel pipe; the inside and outside of the plastic-coated steel pipe are cured and dried together in the coating curing process, the purpose of uniform curing can be achieved through rotary contact with air flow, the curing period is shortened, and therefore the production efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of plastic-coated steel pipe processing, in particular to a plastic-coated steel pipe coating curing device. Background Art

[0002] Plastic-coated steel pipe, also known as plastic-coated pipe, steel-plastic composite pipe, plastic-coated composite steel pipe, is a steel-plastic composite steel pipe with a steel pipe as the base, and a layer of plastic anti-corrosion layer is welded on the inner surface of the steel pipe (bottom pipe) or on the inner and outer surfaces through spraying, rolling, dipping, and suction processes. Plastic-coated steel pipe has excellent corrosion resistance and relatively small friction resistance. After the plastic-coated steel pipe is coated with paint, it needs to be dried using curing equipment so that the paint can be quickly scratched and the steel pipe production cycle is shortened. With the development of science and technology, the function of the paint curing device for plastic-coated steel pipes is constantly being improved so that it can better meet the needs of use.

[0003] In the prior art, during the curing operation of the paint on the plastic-coated steel pipe, a special curing device is used to dry the paint on the inner wall of the pipe, and during the curing process of the paint on the outer wall of the plastic-coated steel pipe, a rotating support mechanism is used to rotate it at a uniform speed to make its surface evenly dry. Such curing operations for the inner and outer walls of the steel pipe need to be performed separately and cannot be performed at the same time, so that the curing time of the paint on the plastic-coated steel pipe is still relatively long, reducing the production efficiency of the plastic-coated steel pipe. Therefore, a rotatable in-tube curing clamping structure is needed. Utility Model Content

[0004] In order to solve the above problems, the purpose of the utility model is to provide a coating curing device for plastic-coated steel pipes to solve the problems raised in the above background technology.

[0005] To achieve the above purpose, the utility model proposes a coating curing device for plastic-coated steel pipes, comprising a supporting base and two connecting frames, wherein a rotatable in-pipe curing clamping mechanism is arranged at the upper end of the supporting base;

[0006] The rotatable in-tube curing clamping mechanism includes a connecting ring sleeved on the outer wall of one end of two connecting frames, the outer wall of one of the connecting rings is sleeved with a gear ring, one side of the outer wall of the two connecting frames is fixed with a fixing frame, one end of the two fixing frames is fixed with a sleeve ring, and the outer wall of the gear ring is rotatably connected to the inner wall of one of the sleeve rings, one side of one of the sleeve rings is provided with a connecting groove, the top end of one of the fixing frames is fixed with a first motor, the output end of the first motor is fixed with a gear, and the outer wall of the gear is meshed with the outer wall of the gear ring, and the inner walls of the two connecting frames are provided with a first hot air blower.

[0007] In one example, a plurality of air outlet holes are evenly spaced on one side of the two connecting frames, a first through slot is formed on one side of the outer wall of the two connecting frames, and first dustproof nets are fixedly provided at the edges of the inner walls of the two first through slots.

[0008] In one example, a mounting base is fixedly provided at a middle position of the top of the support base, a mounting groove is provided at the top of the mounting base, and a plurality of second hot air blowers are equidistantly provided on the inner wall of the mounting groove.

[0009] In one example, a plurality of air inlet holes are evenly spaced at the lower ends of both sides of the outer wall of the mounting base, a second dustproof net is fixedly provided at the upper end of the inner wall of the mounting groove, and a protective pad is fixedly provided on one side of the two connecting rings.

[0010] In one example, the top of the support base is provided with sliding grooves on both sides of the mounting base, two movable bases are slidably provided at both ends of the inner walls of the two sliding grooves, and one end of the two connecting frames is fixedly connected to one side of the two movable bases respectively, and the lower end of one side of the two movable bases is provided with buffer grooves.

[0011] In one example, the inner walls of the two slide grooves are rotatably provided with double-threaded screws, and the outer walls of the two double-threaded screws are respectively threadedly connected to the inner walls at both ends of the two movable bases, and both ends of one side of the support base are rotatably provided with pulleys, and one end of the two double-threaded screws is respectively fixedly connected to one side of the two pulleys.

[0012] In one example, a belt is transmitted between the outer walls of the two pulleys, a second motor is fixedly provided on the other side of the support base, and the other end of one of the double-threaded screws is fixedly connected to the output end of the second motor.

[0013] In one example, a switch panel is fixedly provided on one side of the support base, and the first motor, the first hot air blower, the second hot air blower and the second motor are all electrically connected to an external power supply through the switch panel.

[0014] The plastic-coated steel pipe coating curing device proposed by the utility model can bring the following beneficial effects:

[0015] 1. This kind of coating curing device for plastic-coated steel pipe, when curing the coating on the steel pipe, starts the first hot air blower in the two connecting frames to make the air outlet blow out, so that the air blows out to dry and cure the coating in the pipe, and at the same time starts the first motor to rotate the gear and the meshing gear ring to rotate, so that the connecting ring rotates together, and under the action of the clamping force, the steel pipe and the connecting ring at the other end rotate together, and starts the second hot air blower in the lower end mounting base to evenly blow air to the outer wall of the steel pipe, so that the plastic-coated steel pipe can be cured and dried together inside and outside during the coating curing process, and the rotating contact airflow can achieve the purpose of uniform curing, shorten the curing cycle, and thus improve production efficiency.

[0016] 2. This kind of plastic-coated steel pipe coating curing device, when clamping the plastic-coated steel pipe, places it between two connecting frames, starts the second motor to make the double-threaded screw rotate under the linkage of the pulley and the belt, so that the mobile bases at both ends bring the connecting frames and other structures closer or farther away, which is convenient for clamping plastic-coated steel pipes of different lengths. There is no need to replace equipment of different clamping lengths for fixing, thereby improving the convenience of using the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The drawings described herein are used to provide a further understanding of the present invention and constitute a part of the present invention. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention. In the drawings:

[0018] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0019] Figure 2 This is a schematic diagram of the structure of the connection between the inner wall of the sleeve ring and the gear ring of the utility model;

[0020] Figure 3 This is a schematic diagram of the structure of the back side of the connecting ring and the sleeve ring of the utility model;

[0021] Figure 4 It is a schematic diagram of the structure inside the installation base of the utility model.

[0022] In the figure: 1. support base; 2. connecting frame; 3. connecting ring; 4. gear ring; 5. fixing frame; 6. sleeve ring; 7. connecting groove; 8. gear; 9. first motor; 10. air outlet; 11. first hot air blower; 12. through groove; 13. first dustproof net; 14. mounting base; 15. mounting groove; 16. second hot air blower; 17. air inlet; 18. second dustproof net; 19. slide groove; 20. movable base; 21. buffer groove; 22. double-threaded screw; 23. pulley; 24. belt strip; 25. second motor. DETAILED DESCRIPTION

[0023] In order to more clearly illustrate the overall concept of the present invention, a detailed description is given below in the form of examples in conjunction with the accompanying drawings.

[0024] The examples are as follows:

[0025] The utility model provides Figure 1-4 The device for curing coating on a plastic-coated steel pipe shown in the figure comprises a support base 1 and two connecting frames 2. A rotatable in-pipe curing clamping mechanism is arranged on the upper end of the support base 1.

[0026] The rotatable in-tube curing clamping mechanism includes a connecting ring 3 sleeved on the outer wall of one end of two connecting frames 2, wherein the outer wall of one of the connecting rings 3 is sleeved with a gear ring 4, a fixing frame 5 is fixedly provided on one side of the outer wall of the two connecting frames 2, a sleeve ring 6 is fixedly provided on one end of the two fixing frames 5, and the outer wall of the gear ring 4 is rotatably connected to the inner wall of one of the sleeve rings 6, a connecting groove 7 is provided on one side of one of the sleeve rings 6, a first motor 9 is fixedly provided on the top of one of the fixing frames 5, a gear 8 is fixedly provided on the output end of the first motor 9, and the outer wall of the gear 8 is meshed with the outer wall of the gear ring 4, the inner walls of the two connecting frames 2 are provided with a first hot air blower 11, and the gear 8 passes through the inner wall of the connecting groove 7 and meshes with the outer wall of the gear ring 4, and when the gear 8 rotates, it can rotate with the gear ring 4 and the connecting ring 3.

[0027] A plurality of air outlet holes 10 are evenly spaced on one side of the two connecting frames 2, a first through slot 12 is formed on one side of the outer wall of the two connecting frames 2, and a first dust screen 13 is fixedly provided on the edge of the inner wall of the two first through slots 12, and the two connecting rings 3 are limited while rotating on the outer wall of the connecting frame 2 so that they can maintain stable rotation in situ, and the protective pads on one side of the connecting ring 3 clamp the steel pipe at both ends of the steel pipe, and can rotate with the steel pipe when rotating, and the protective pads contact the steel pipe to prevent the steel pipe from being worn, and the through slot 12 makes it convenient for the first hot air blower 11 to enter the air when starting;

[0028] Furthermore, a mounting base 14 is fixedly provided at the middle position of the top of the support base 1 , a mounting groove 15 is provided at the top of the mounting base 14 , and a plurality of second hot air blowers 16 are equidistantly provided on the inner wall of the mounting groove 15 .

[0029] A plurality of air inlet holes 17 are evenly spaced at the lower ends of both sides of the outer wall of the mounting base 14, a second dustproof net 18 is fixedly provided at the upper end of the inner wall of the mounting groove 15, and a protective pad is fixedly provided on one side of the two connecting rings 3. When the connecting ring 3 rotates with the steel pipe, the second hot air blower 16 in the mounting groove 15 of the mounting base 14 is started to blow air evenly on the surface of the steel pipe, so that the inner and outer walls are uniformly cured and dried at the same time, and the first dustproof net 13 and the second dustproof net 18 can reduce the dust from entering and affecting the operation of the hot air blower;

[0030] Furthermore, the top of the support base 1 is provided with slide grooves 19 on both sides of the mounting base 14, and two movable bases 20 are slidably provided at both ends of the inner walls of the two slide grooves 19, and one end of the two connecting frames 2 is fixedly connected to one side of the two movable bases 20, respectively, and a buffer groove 21 is provided at the lower end of one side of the two movable bases 20. When the movable bases 20 move closer, the outer walls of the two ends of the mounting base 14 can be inserted in the buffer grooves 21 without being hindered in movement;

[0031] Furthermore, the inner walls of the two slide grooves 19 are rotatably provided with double-threaded screws 22, and the outer walls of the two double-threaded screws 22 are respectively threadedly connected to the inner walls of the two ends of the two movable bases 20, and both ends of one side of the support base 1 are rotatably provided with pulleys 23, and one end of the two double-threaded screws 22 is respectively fixedly connected to one side of the two pulleys 23.

[0032] A belt strip 24 is provided between the outer walls of the two pulleys 23 , a second motor 25 is fixedly provided on the other side of the support base 1 , and the other end of one of the double-threaded screws 22 is fixedly connected to the output end of the second motor 25 .

[0033] Working principle: When using the coating curing device for plastic-coated steel pipes in the present design, firstly, the plastic-coated steel pipe to be cured is placed between two connecting frames 2, squeezed and clamped by protective pads, and the air outlet 10 is facing the inside of the pipe. When curing the coating on the steel pipe, the first hot air blower 11 in the two connecting frames 2 is started to make the air outlet 10 discharge air, so that the air is discharged to dry and cure the coating in the pipe. At the same time, the first motor 9 is started to rotate the gear 8 to rotate the meshing gear ring 4, so that the connecting ring 3 rotates together. Under the action of the clamping force, the steel pipe rotates together with the connecting ring 3 at the other end, and the second hot air blower in the lower mounting base 14 is started. 16 pairs of steel pipes have uniform air discharge on their outer walls, so that the plastic-coated steel pipe can be cured and dried together inside and outside during the curing process of the coating, and the rotating contact airflow can achieve the purpose of uniform curing, shorten the curing cycle, and thus improve production efficiency. At the same time, when clamping the plastic-coated steel pipe, it is placed between the two connecting frames 2, and the second motor 25 is started to make the double-threaded screw 22 rotate under the linkage of the pulley 23 and the belt strip 24, so that the movable bases 20 at both ends can move closer or farther with the connecting frames 2 and other structures, which is convenient for clamping plastic-coated steel pipes of different lengths. There is no need to replace equipment with different clamping lengths for fixing, thereby improving the convenience of using the device.

[0034] Each embodiment in this specification is described in a progressive manner, and the same or similar parts between the embodiments can be referred to each other, and each embodiment focuses on the differences from other embodiments. In particular, for the system embodiment, since it is basically similar to the method embodiment, the description is relatively simple, and the relevant parts can be referred to the partial description of the method embodiment.

[0035] The above description is only an embodiment of the present invention and is not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and variations. Any modification, equivalent substitution, improvement, etc. made within the spirit and principle of the present invention shall be included in the scope of the claims of the present invention.

Claims

1. A coating curing device for a plastic-coated steel pipe, comprising a support base (1) and two connecting frames (2), characterized in that: A rotatable in-tube curing clamping mechanism is provided at the upper end of the support base (1); The rotatable in-tube solidification clamping mechanism comprises a connecting ring (3) sleeved on the outer wall of one end of two connecting frames (2), the outer wall of one of the connecting rings (3) being sleeved with a gear ring (4), a fixing frame (5) being fixedly provided on one side of the outer wall of the two connecting frames (2), a sleeve ring (6) being fixedly provided on one end of the two fixing frames (5), and the outer wall of the gear ring (4) being rotatably connected to the inner wall of one of the sleeve rings (6), a connecting groove (7) being provided on one side of one of the sleeve rings (6), a first motor (9) being fixedly provided on the top end of one of the fixing frames (5), a gear (8) being fixedly provided on the output end of the first motor (9), and the outer wall of the gear (8) being meshed with the outer wall of the gear ring (4), and a first hot air blower (11) being provided on the inner walls of the two connecting frames (2).

2. A coating curing device for plastic-coated steel pipe according to claim 1, characterized in that: A plurality of air outlet holes (10) are provided at equal distances on one side of the two connecting frames (2), a first through slot (12) is provided on one side of the outer wall of the two connecting frames (2), and a first dustproof net (13) is fixedly provided at the edge of the inner wall of the two first through slots (12).

3. The coating curing device for plastic-coated steel pipe according to claim 1 is characterized in that: A mounting base (14) is fixedly provided at the middle position of the top of the support base (1), a mounting groove (15) is provided at the top of the mounting base (14), and a plurality of second hot air blowers (16) are equidistantly provided on the inner wall of the mounting groove (15).

4. A coating curing device for plastic-coated steel pipe according to claim 3, characterized in that: A plurality of air inlet holes (17) are evenly spaced at the lower ends of both sides of the outer wall of the mounting base (14), a second dustproof net (18) is fixedly provided at the upper end of the inner wall of the mounting groove (15), and a protective pad is fixedly provided on one side of the two connecting rings (3).

5. The coating curing device for plastic-coated steel pipe according to claim 1, characterized in that: The top of the support base (1) is provided with slide grooves (19) on both sides of the mounting base (14), two movable bases (20) are slidably provided at both ends of the inner walls of the two slide grooves (19), and one end of the two connecting frames (2) is fixedly connected to one side of the two movable bases (20), and the lower end of one side of the two movable bases (20) is provided with a buffer groove (21).

6. A coating curing device for plastic-coated steel pipe according to claim 5, characterized in that: The inner walls of the two slide grooves (19) are rotatably provided with double-threaded screws (22), and the outer walls of the two double-threaded screws (22) are respectively threadedly connected to the inner walls of the two ends of the two movable bases (20), and the two ends of one side of the support base (1) are rotatably provided with pulleys (23), and one end of the two double-threaded screws (22) is respectively fixedly connected to one side of the two pulleys (23).

7. The coating curing device for plastic-coated steel pipe according to claim 6, characterized in that: A belt strip (24) is provided for transmission between the outer walls of the two pulleys (23), a second motor (25) is fixedly provided on the other side of the support base (1), and the other end of one of the double-threaded screw rods (22) is fixedly connected to the output end of the second motor (25).

8. The coating curing device for plastic-coated steel pipe according to claim 7, characterized in that: A switch panel is fixedly provided on one side of the support base (1), and the first motor (9), the first hot air blower (11), the second hot air blower (16) and the second motor (25) are all electrically connected to an external power source via the switch panel.

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