Plastic steel pipe surface spraying device

Abstract

The utility model discloses a plastic steel pipe surface spraying device, relates to the field of steel pipe processing, and aims to solve the problems that the plastic steel pipe is fixed inside the spraying device, and a movable spraying mechanism is arranged outside the plastic steel pipe to spray the surface of the plastic steel pipe; the spraying device solves the problem that the spraying efficiency is reduced due to the fact that clamping of the plastic steel pipe on the spraying device is troublesome due to the fact that the spraying device cannot be rapidly adjusted according to the diameter and the length of the plastic steel pipe in general. The sliding rail is arranged at the upper end of the base, the interior of the sliding rail communicates with the bottom end of the base, a fixing box is arranged on the front side of the upper end of the base, a three-jaw chuck is arranged in the middle of the rear side of the fixing box, and three evenly-distributed clamping jaws are arranged on the surface of the three-jaw chuck; and the clamping jaws are controlled by a clamping jaw driving mechanism in the three-jaw chuck to perform opening and closing movement.

Description

Technical Field

[0001] The utility model relates to the field of steel pipe processing, in particular to a plastic steel pipe surface spraying device. Background Art

[0002] Plastic steel pipes are based on galvanized seamless steel pipes and welded steel pipes. After the weld ribs are removed from the inner wall, food-grade polyethylene pipes of the same diameter as the galvanized pipe are lined. The thickness of the polyethylene lining is required to meet the standards. Finally, it is pressurized and heated for a certain period of time to form. It is an upgraded product of traditional galvanized pipes. During the processing of plastic steel pipes, a spray device is required to spray its surface.

[0003] Usually, the plastic steel pipe is fixed inside the spraying device, and a movable spraying mechanism is set outside the plastic steel pipe to spray the surface of the plastic steel pipe. However, the spraying device cannot be quickly adjusted according to the diameter and length of the plastic steel pipe, which makes it troublesome to clamp the plastic steel pipe on the spraying device, thereby reducing the spraying efficiency. Therefore, we proposed a plastic steel pipe surface spraying device to solve the above problems. Utility Model Content

[0004] The purpose of the utility model is to provide a plastic steel pipe surface spraying device to solve the problem proposed in the above background technology that the plastic steel pipe is usually fixed inside the spraying device, and a movable spraying mechanism is arranged outside the plastic steel pipe to spray the surface of the plastic steel pipe, but the spraying device usually cannot be quickly adjusted according to the diameter and length of the plastic steel pipe, which makes it more troublesome to clamp the plastic steel pipe on the spraying device, thereby reducing the spraying efficiency.

[0005] In order to achieve the above-mentioned purpose, the utility model provides the following technical solutions: a plastic steel pipe surface spraying device, comprising a base;

[0006] Also includes:

[0007] A slide rail is arranged at the upper end of the base, and the interior of the slide rail is connected with the bottom end of the base, a fixed box is arranged at the front side of the upper end of the base, a three-jaw chuck is arranged at the middle part of the rear side of the fixed box, three evenly distributed claws are arranged on the surface of the three-jaw chuck, and the claws are controlled by the claw driving mechanism inside the three-jaw chuck to open and close, a first driving motor is arranged at the front side of the fixed box, a connecting rod is arranged inside the fixed box, the other end of the connecting rod is connected to the three-jaw chuck, and the first driving motor drives the connecting rod to drive the three-jaw chuck to rotate, and a supporting rod is arranged at the bottom of the base;

[0008] A movable seat, which is arranged outside the upper end of the slide rail, and the movable seat is moved outside the upper end of the slide rail by manual pushing, a rear seat is arranged at the upper end of the slide rail, a push rod is arranged at the front end of the rear seat, and the push rod rotates at the front end of the rear seat, telescopic grooves are evenly arranged on three sides of the front end outer wall of the push rod, a spring is arranged inside the telescopic groove, and a clamping block is slidably arranged on the upper side of the inner part of the telescopic groove, the clamping block is arranged in a triangular shape, the top end of the clamping block is arranged in an arc shape, and the bottom of the clamping block is in contact with the upper end of the spring;

[0009] The driving seat is arranged inside the upper end of the slide rail, and support frames are symmetrically arranged on both sides of the upper end of the driving seat, and arc disks are symmetrically arranged on both sides of the upper end of the support frames, and a plurality of nozzles are arranged on the inner surface of the arc disk.

[0010] Preferably, the outer sides of the clamping claws are provided with anti-skid pads, and the three clamping claws fix the plastic steel pipe by clamping the inner wall thereof.

[0011] Preferably, a tray is provided outside the push rod, and the tray is located at the rear side of the locking block.

[0012] Preferably, a threaded rod is provided inside the slide rail, a second drive motor is provided on the rear end surface of the slide rail, and the second drive motor drives the threaded rod to rotate, a threaded hole is provided on the front end surface of the drive seat, the threaded hole is threadedly connected to the threaded rod, and the rotation of the threaded rod drives the drive seat to slide back and forth inside the slide rail.

[0013] Preferably, a first groove is provided on the left and right surfaces of the outer wall of the slide rail, a first protrusion is provided on the inner side of the movable seat, and the first protrusion is slidably engaged with the first groove, a second groove is provided on the left and right sides of the inner wall of the slide rail, and a second protrusion is provided on the left and right surfaces of the outer wall of the drive seat, and the second protrusion is slidably engaged with the second groove.

[0014] Preferably, a paint box is fixedly installed at the bottom of the driving seat, a water pump is provided at the upper end of the interior of the paint box, a water distribution tank is provided inside the arc disk, and the water distribution tank is connected to the nozzle, a water pipe is provided at the upper end of the paint box, the water pipe passes through the driving seat and the support frame and is connected to the water distribution tank, and a water inlet is provided on one side of the exterior of the paint box.

[0015] Compared with the prior art, the beneficial effects of the utility model are:

[0016] 1. A three-jaw chuck and a claw are arranged at the front end of the plastic steel pipe to fix the front end of the plastic steel pipe, and a moving seat and a push rod are arranged at the rear end of the plastic steel pipe. The moving seat and the push rod can support the rear end of the plastic steel pipe to keep the plastic steel pipe level, and plastic steel pipes of different lengths can be snap-connected by adjusting the distance of the moving seat. A retractable snap block is arranged at the front end of the push rod, and the snap block can be adjusted according to the end faces of plastic steel pipes with different inner diameters. The device is simple to operate and easy to use, and can effectively and quickly clamp and fix plastic steel pipes of different models to keep the plastic steel pipe level for spraying.

[0017] 2. By setting the spraying mechanism as a movable structure and arranging two symmetrical arc disks located at the two ends of the outer side of the plastic steel pipe, the spraying area can be increased, and the driving seat at the bottom of the arc disk can be moved, so that plastic steel pipes of different lengths can be sprayed. At the same time, the three-jaw chuck drives the plastic steel pipe to rotate slowly, so that the spraying mechanism can spray the surface of the plastic steel pipe more evenly. BRIEF DESCRIPTION OF THE DRAWINGS

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

[0019] Figure 2 It is the overall structural plan of the utility model;

[0020] Figure 3 This is a schematic diagram of the rear end support structure of the plastic steel pipe of the utility model;

[0021] Figure 4 It is a cross-sectional view of the locking block structure of the utility model;

[0022] Figure 5 It is a cross-sectional view of the spraying structure of the utility model;

[0023] In the figure: 1. base; 2. slide rail; 3. support rod; 4. fixed box; 5. three-jaw chuck; 6. claw; 7. first drive motor; 8. connecting rod; 9. anti-skid pad; 10. moving seat; 11. first groove; 12. first protrusion; 13. back seat; 14. push rod; 15. tray; 16. engaging block; 17. telescopic groove; 18. spring; 19. threaded rod; 20. second groove; 21. drive seat; 22. second protrusion; 23. threaded hole; 24. paint box; 25. water pump; 26. water inlet; 27. support frame; 28. arc disk; 29. ​​nozzle; 30. water distribution trough; 31. water pipe; 32. second drive motor. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0025] See also Figure 1-5 , the utility model provides an embodiment: a plastic steel pipe surface spraying device, comprising a base 1;

[0026] Also includes:

[0027] A slide rail 2 is arranged at the upper end of the base 1, and the interior of the slide rail 2 is connected to the bottom end of the base 1. A fixed box 4 is arranged at the front side of the upper end of the base 1, and a three-jaw chuck 5 is arranged at the middle part of the rear side of the fixed box 4. Three evenly distributed claws 6 are arranged on the surface of the three-jaw chuck 5, and the claws 6 are controlled by the claw driving mechanism inside the three-jaw chuck 5 to open and close. A first driving motor 7 is arranged at the front side of the fixed box 4, and a connecting rod 8 is arranged inside the fixed box 4. The other end of the connecting rod 8 is connected to the three-jaw chuck 5, and the first driving motor 7 drives the connecting rod 8 to drive the three-jaw chuck 5 to rotate. A support rod 3 is arranged at the bottom of the base 1;

[0028] A movable seat 10 is arranged outside the upper end of the slide rail 2, and the movable seat 10 is moved outside the upper end of the slide rail 2 by manual pushing, a rear seat 13 is arranged on the upper end of the slide rail 2, a push rod 14 is arranged at the front end of the rear seat 13, and the push rod 14 rotates at the front end of the rear seat 13, and telescopic grooves 17 are evenly arranged on three sides of the front end outer wall of the push rod 14, a spring 18 is arranged inside the telescopic groove 17, and a clamping block 16 is slidably arranged on the upper side of the inner part of the telescopic groove 17, the clamping block 16 is arranged in a triangular shape, the top end of the clamping block 16 is arranged in an arc shape, and the bottom of the clamping block 16 is in contact with the upper end of the spring 18;

[0029] The driving seat 21 is arranged inside the upper end of the slide rail 2 , and support frames 27 are symmetrically arranged on both sides of the upper end of the driving seat 21 , and arc disks 28 are symmetrically arranged on both sides of the upper end of the support frames 27 , and a plurality of nozzles 29 are arranged on the inner surface of the arc disk 28 .

[0030] A three-jaw chuck 5 and a clamping claw 6 are arranged at the front end of the plastic steel pipe to fix the front end of the plastic steel pipe, and a moving seat 10 and a push rod 14 are arranged at the rear end of the plastic steel pipe. The moving seat 10 and the push rod 14 can support the rear end of the plastic steel pipe to keep the plastic steel pipe horizontal, and the plastic steel pipes of different lengths can be snap-connected by adjusting the distance of the moving seat 10. A retractable snap-fit ​​block 16 is arranged at the front end of the push rod 14, and the snap-fit ​​block 16 can be adjusted according to the end faces of plastic steel pipes with different inner diameters.

[0031] See also Figure 1The outer sides of the claws 6 are all provided with anti-skid pads 9, and the three claws 6 fix the inner wall of the plastic-steel pipe by clamping it. The anti-skid pads 9 can increase the friction between the clamps 6 and the inner wall of the plastic-steel pipe.

[0032] See also Figure 3-4 A tray 15 is provided outside the top rod 14, and the tray 15 is located at the rear side of the locking block 16. The rear end of the plastic steel pipe is pressed against the front side of the tray 15, which can effectively support the rear end of the plastic steel pipe.

[0033] See also Figure 1 A threaded rod 19 is arranged inside the slide rail 2, a second drive motor 32 is arranged on the rear end surface of the slide rail 2, and the second drive motor 32 drives the threaded rod 19 to rotate, a threaded hole 23 is arranged on the front end surface of the drive seat 21, the threaded hole 23 is threadedly connected with the threaded rod 19, and the rotation of the threaded rod 19 drives the drive seat 21 to slide back and forth inside the slide rail 2, which is used to control the spraying mechanism to spray the surface of the plastic steel pipe from beginning to end.

[0034] See also Figure 1 The left and right surfaces of the outer wall of the slide rail 2 are provided with first grooves 11, the inner side of the movable seat 10 is provided with a first protrusion 12, and the first protrusion 12 is slidably engaged with the first groove 11, the left and right sides of the inner wall of the slide rail 2 are provided with second grooves 20, the left and right surfaces of the outer wall of the driving seat 21 are provided with second protrusions 22, and the second protrusions 22 are slidably engaged with the second grooves 20, and the movable seat 10 and the driving seat 21 can be restricted by the grooves.

[0035] See also Figure 1-5 A paint box 24 is fixedly installed at the bottom of the driving seat 21, a water pump 25 is provided at the upper end of the interior of the paint box 24, a water distribution tank 30 is provided inside the arc disk 28, and the water distribution tank 30 is connected to the nozzle 29, a water pipe 31 is provided at the upper end of the paint box 24, the water pipe 31 passes through the driving seat 21 and the support frame 27 and is connected to the water distribution tank 30, a water inlet 26 is provided on one side of the outside of the paint box 24, and the paint box 24 is fixed to the bottom of the driving seat 21, so that the paint box 24 can move with the driving seat 21.

[0036] Working principle: clamp one end of the plastic steel pipe on the outside of the clamping claw 6, twist the connecting mechanism inside the three-jaw chuck 5 to move the clamping claw 6 outward and against the inner wall of the front end of the plastic steel pipe, manually push the moving seat 10 to slide the moving seat 10 forward, so that the front end of the push rod 14 is against the inner wall of the rear end of the plastic steel pipe. When the push rod 14 is inserted into the rear end of the plastic steel pipe, the clamping block 16 is squeezed downward, so that the clamping block 16 is against the inner wall of the rear end of the plastic steel pipe, and the rear end of the plastic steel pipe is attached to the surface of the tray 15, and the clamping block 16 is pressed downward. The plastic steel pipe is clamped due to the squeezing of the spring 18, thereby supporting the rear end of the plastic steel pipe. Then, the water pump 25 is started to introduce the paint inside the paint box 24 into the interior of the arc disk 28 through the water pipe 31, and the paint is evenly sprayed on the surface of the plastic steel pipe through the nozzle 29. At the same time, the first drive motor 7 is started to control the plastic steel pipe to rotate slowly, and the second drive motor 32 is started to control the threaded rod 19 to drive the drive seat 21 to move, and slowly move to spray the surface of the plastic steel pipe from beginning to end.

[0037] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. A plastic steel pipe surface spraying device, comprising a base (1); Features: Also includes: A slide rail (2) is arranged at the upper end of the base (1), and the interior of the slide rail (2) is connected to the bottom end of the base (1); a fixed box (4) is arranged on the front side of the upper end of the base (1); a three-jaw chuck (5) is arranged in the middle of the rear side of the fixed box (4); three evenly distributed claws (6) are arranged on the surface of the three-jaw chuck (5), and the claws (6) are controlled by a claw driving mechanism inside the three-jaw chuck (5) to open and close; a first driving motor (7) is arranged on the front side of the fixed box (4); a connecting rod (8) is arranged inside the fixed box (4); the other end of the connecting rod (8) is connected to the three-jaw chuck (5), and the first driving motor (7) drives the connecting rod (8) to drive the three-jaw chuck (5) to rotate; a support rod (3) is arranged at the bottom of the base (1); A movable seat (10) is arranged outside the upper end of the slide rail (2), and the movable seat (10) is moved outside the upper end of the slide rail (2) by manual pushing, a rear seat (13) is arranged at the upper end of the slide rail (2), a push rod (14) is arranged at the front end of the rear seat (13), and the push rod (14) rotates at the front end of the rear seat (13), telescopic grooves (17) are evenly arranged on three sides of the front end outer wall of the push rod (14), a spring (18) is arranged inside the telescopic groove (17), and a snap-fit ​​block (16) is slidably arranged on the upper side of the inside of the telescopic groove (17), the snap-fit ​​block (16) is arranged in a triangular shape, the top end of the snap-fit ​​block (16) is arranged in an arc shape, and the bottom of the snap-fit ​​block (16) is in contact with the upper end of the spring (18); A drive seat (21) is arranged inside the upper end of the slide rail (2), support frames (27) are symmetrically arranged on both sides of the upper end of the drive seat (21), arc disks (28) are symmetrically arranged on both sides of the upper end of the support frame (27), and a plurality of nozzles (29) are arranged on the inner surface of the arc disk (28).

2. A plastic steel pipe surface spraying device according to claim 1, characterized in that: The outer sides of the clamping claws (6) are all provided with anti-skid pads (9), and the three clamping claws (6) fix the inner wall of the plastic steel pipe by clamping it.

3. A plastic steel pipe surface spraying device according to claim 1, characterized in that: A tray (15) is arranged outside the push rod (14), and the tray (15) is located at the rear side of the locking block (16).

4. A plastic steel pipe surface spraying device according to claim 1, characterized in that: A threaded rod (19) is provided inside the slide rail (2), a second drive motor (32) is provided on the rear end surface of the slide rail (2), and the second drive motor (32) drives the threaded rod (19) to rotate, a threaded hole (23) is provided on the front end surface of the drive seat (21), the threaded hole (23) is threadedly connected to the threaded rod (19), and the threaded rod (19) rotates to drive the drive seat (21) to slide back and forth inside the slide rail (2).

5. The surface spraying device for plastic steel pipe according to claim 1 is characterized in that: The surfaces of the left and right sides of the outer wall of the slide rail (2) are provided with first grooves (11); the inner side of the movable seat (10) is provided with a first protrusion (12), and the first protrusion (12) is slidably engaged with the first groove (11); the left and right sides of the inner wall of the slide rail (2) are provided with second grooves (20); the surfaces of the left and right sides of the outer wall of the drive seat (21) are provided with second protrusions (22), and the second protrusions (22) are slidably engaged with the second grooves (20).

6. A plastic steel pipe surface spraying device according to claim 1, characterized in that: A paint box (24) is fixedly mounted at the bottom of the driving seat (21); a water pump (25) is arranged at the upper end of the interior of the paint box (24); a water distribution trough (30) is arranged inside the arc disk (28), and the water distribution trough (30) is connected to the nozzle (29); a water pipe (31) is arranged at the upper end of the paint box (24); the water pipe (31) passes through the driving seat (21) and the support frame (27) and is connected to the water distribution trough (30); and a water inlet (26) is arranged on one side of the exterior of the paint box (24).

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