Plastic-coated steel pipe spraying equipment

Abstract

The utility model discloses plastic-coated steel pipe spraying equipment, and relates to the technical field of steel pipe processing, the plastic-coated steel pipe spraying equipment comprises a base and a steel pipe, the two sides of the top of the base are both fixedly connected with mounting plates, the interiors of the two mounting plates are both slidably connected with moving blocks, the tops of the two mounting plates are both fixedly connected with mounting racks, and the mounting racks are fixedly connected with the steel pipe. Supporting plates are slidably connected to one sides of the interiors of the two mounting frames, sliding blocks are slidably connected to the upper ends and the lower ends of the interiors of the two mounting frames, every two of the four sliding blocks form a group, a limiting rod is fixedly connected between every two groups of sliding blocks, and movable blocks are movably connected to the outer sides of the two limiting rods; and limiting wheels are arranged on one sides of the two movable blocks. According to the plastic-coated steel pipe spraying equipment, the height of the spraying plate can be synchronously adjusted while a worker adjusts the distance between the driven wheel and the driving wheel, the application range of the equipment is widened, steel pipes with different diameters can be limited through the limiting wheel, and the steel pipes are prevented from falling off during rotation.

Description

TECHNICAL FIELD

[0001] The utility model relates to steel pipe processing technical field, concretely is a kind of plastic-coated steel pipe spraying equipment. BACKGROUND

[0002] Plastic-coated steel pipe, also known as plastic-coated pipe, steel-plastic composite pipe and plastic-coated composite steel pipe, is a steel-plastic composite steel pipe with a plastic corrosion-resistant layer fused on the inner surface of the steel pipe through spraying, rolling, dipping and suction processes.

[0003] The existing steel pipe plastic coating device uses a rotating wheel to drive the rotation of the steel pipe, and then uses a spray gun to spray corrosion-resistant paint onto the steel pipe for corrosion protection. However, since the steel pipe is driven by the rotating wheel, centrifugal force is generated during the rotation of the steel pipe, which causes the steel pipe to try to move away from the center of the rotating wheel, resulting in the steel pipe falling off the rotating wheel and causing safety accidents.

[0004] In addition, when the device needs to spray different diameter steel pipes, the distance between the spray gun and the steel pipe surface changes. The smaller the diameter of the steel pipe, the farther the spray gun is from the steel pipe. At this time, a large amount of paint cannot be sprayed onto the steel pipe, resulting in waste of paint and increased production cost. It is necessary to repeatedly adjust the position of the spray gun, which affects work efficiency. SUMMARY

[0005] The utility model aims at providing a kind of plastic-coated steel pipe spraying equipment to solve the problems of steel pipe easy to separate during rotation and the need for a large amount of time to adjust the position of the spray gun according to the steel pipe in the prior art.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a kind of plastic-coated steel pipe spraying equipment, including base and steel pipe, the top of the base is fixedly connected with mounting plate on both sides, the inside of two mounting plates is slidably connected with moving block, the top of two mounting plates is fixedly connected with mounting bracket, the inside of two mounting brackets is slidably connected with supporting plate on one side, the inside of two mounting brackets is rotatably connected with first screw rod, two first screw rods are respectively penetrated two supporting plates and are connected with two supporting plates by screw thread, the upper and lower ends of the inside of two mounting brackets are slidably connected with sliding block, four sliding blocks are in pairs, each group of sliding blocks is fixedly connected with limiting rod between, the outside of two limiting rods is movably connected with movable block, the side of two movable blocks is provided with limiting wheel.

[0007] Preferably, two second threaded rods are rotatably connected inside the two mounting plates, two first reversible motors are fixedly connected to one side of the two mounting plates, the output ends of the two first reversible motors are fixedly connected with the two second threaded rods respectively, the two second threaded rods pass through the two moving blocks and are threadedly connected with the two moving blocks respectively, two driven wheels are rotatably installed on opposite sides of the two moving blocks, and the outer sides of the two second threaded rods at one end are fixedly connected with second bevel gears.

[0008] Preferably, the bottom ends of the two first threaded rods pass through the top portions of the two mounting plates and are rotatably connected with the two mounting plates, first bevel gears are fixedly connected to the bottom ends of the two first threaded rods, the two first bevel gears are meshingly connected with the two second bevel gears respectively, a third threaded rod is rotatably connected between the two supporting plates, a second reversible motor is fixedly connected to one side of one of the supporting plates, the output end of the second reversible motor is fixedly connected with the third threaded rod, a spraying plate is threadedly connected to the outer side of the third threaded rod, a plurality of spray guns are fixedly connected to one side of the spraying plate, a slide rod is fixedly connected between the two supporting plates, and the slide rod passes through the spraying plate and is slidably connected with the spraying plate.

[0009] Preferably, two transmission plates are slidably connected to one side of the two mounting plates, two shafts are slidably connected inside the two transmission plates, positioning rods are rotatably installed on one side of the two moving blocks and the two mounting plates, the two shafts are rotatably connected to the ends of the four positioning rods respectively, the top ends of the two transmission plates are fixedly connected with the two sliding blocks located at the bottom of the mounting frame, the four positioning rods are of the same length, and the distance between the top ends of the two positioning rods rotatably connected to one side of the moving block and the center of the driven wheel is equal to the distance between the top ends of the other two positioning rods and the center of the driving wheel.

[0010] Preferably, fixed blocks are arranged on one side of the two movable blocks, the two fixed blocks and the two movable blocks are fixedly connected by a plurality of bolts respectively, and the fixed blocks are rotatably connected with the limit wheels on one side.

[0011] Preferably, clamping blocks are fixedly connected to one side of the bottom of the two movable blocks, first sliding grooves are formed in the outer sides of the two limit rods, second sliding grooves are formed in the top portions of the outer sides of the two limit rods, the two first sliding grooves are communicated with the two second sliding grooves respectively, the two first sliding grooves and the two second sliding grooves are adapted to the two clamping blocks respectively, toothed plates are slidably connected to one side of the two movable blocks, clamping teeth adapted to the two toothed plates are formed in the outer sides of the two limit rods, springs are fixedly connected to one side of the two toothed plates, and the ends of the two springs are fixedly connected with the two clamping blocks respectively.

[0012] Preferably, two said installation plate opposite side are rotatably installed with driving wheel, two said installation plate one side are fixedly connected with driving motor, two said driving motor output end are fixedly connected with two driving wheel respectively.

[0013] Compared with the prior art, the utility model has the advantages that:

[0014] 1、The first positive and negative motor of the application drives the second threaded rod to rotate at the same time, and drives the second bevel gear to rotate, so that the worker adjusts the distance between the driven wheel and the driving wheel, and at the same time, the height of the spraying plate is adjusted synchronously, the application range of the device is increased, when the device sprays the steel pipes with different diameters, the distance between the spray gun and the surface of the steel pipe will not change due to the different steel pipes, and the waste of paint during spraying is prevented.

[0015] 2、The two positioning rods of the application make the limiting rod always located in the middle position of the driven wheel and the driving wheel, and then the limiting wheel can limit the steel pipes with different diameters, prevent the steel pipes from falling off during rotation, and cause safety accidents. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is the overall structure schematic view of the utility model;

[0017] Figure 2 It is the positioning rod structure schematic view of the utility model;

[0018] Figure 3 It is the spraying plate structure schematic view of the utility model;

[0019] Figure 4 It is the movable block structure schematic view of the utility model.

[0020] Marked number in drawing: 1, base; 2, installation plate; 3, moving block; 4, driven wheel; 5, driving wheel; 6, steel pipe; 7, mounting frame; 8, supporting plate; 9, first threaded rod; 10, first bevel gear; 11, second threaded rod; 12, second bevel gear; 13, positioning rod; 14, rotating shaft; 15, transmission plate; 16, sliding block; 17, limiting rod; 18, movable block; 19, fixed block; 20, limiting wheel; 21, clamping block; 22, first sliding slot; 23, toothed plate; 24, spring; 25, sliding rod; 26, third threaded rod; 27, spraying plate; 28, second sliding slot. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative efforts fall within the scope of the present application.

[0022] Embodiment: as Figure 1 Figure 3 The utility model provides a kind of technical scheme of plastic-coated steel pipe spraying equipment, including base 1 and steel pipe 6, the top of the base 1 both sides is fixedly connected with mounting plate 2, two the inside of mounting plate 2 is slidably connected with moving block 3, two the top of mounting plate 2 is fixedly connected with mounting bracket 7, two the inside of mounting bracket 7 is slidably connected with the one side of supporting plate 8, two the inside of mounting bracket 7 is rotatably connected with first threaded rod 9, two first threaded rod 9 is respectively penetrated two supporting plate 8 and is connected with two supporting plate 8 threadedly, two the inside upper and lower ends of mounting bracket 7 are slidably connected with sliding block 16, four sliding block 16 are a group two by two, every group of sliding block 16 is fixedly connected with limiting rod 17 between, two the outside of limiting rod 17 is movably connected with movable block 18, two the one side of movable block 18 is provided with limiting wheel 20.

[0023] As Figure 2 and Figure 3 The utility model discloses a kind of technical scheme of plastic-coated steel pipe spraying equipment, including base 1 and steel pipe 6, the top of the base 1 both sides is fixedly connected with mounting plate 2, two the inside of mounting plate 2 is slidably connected with moving block 3, two the top of mounting plate 2 is fixedly connected with mounting bracket 7, two the inside of mounting bracket 7 is slidably connected with the one side of supporting plate 8, two the inside of mounting bracket 7 is rotatably connected with first threaded rod 9, two first threaded rod 9 is respectively penetrated two supporting plate 8 and is connected with two supporting plate 8 threadedly, two the inside upper and lower ends of mounting bracket 7 are slidably connected with sliding block 16, four sliding block 16 are a group two by two, every group of sliding block 16 is fixedly connected with limiting rod 17 between, two the outside of limiting rod 17 is movably connected with movable block 18, two the one side of movable block 18 is provided with limiting wheel 20.

[0024] As Figure 2 Figure 4 ​​As shown, two installation plates 2 are slidably connected with transmission plates 15 on one side, two transmission plates 15 are slidably connected with rotating shafts 14 inside, two moving blocks 3 and two installation plates 2 are rotatably installed with positioning rods 13 on one side, four positioning rods 13 are rotatably connected with two rotating shafts 14 at one end respectively, two transmission plates 15 are fixedly connected with two sliding blocks 16 at the top end respectively which are located at the bottom of the mounting frame 7, four positioning rods 13 are of the same length, the distance between the top end of the two positioning rods 13 rotatably connected with the moving block 3 and the center of the driven wheel 4 is equal to the distance between the top end of the other two positioning rods 13 and the center of the driving wheel 5, two movable blocks 18 are provided with fixed blocks 19 on one side, two fixed blocks 19 and two movable blocks 18 are fixedly connected by a plurality of bolts respectively, two fixed blocks 19 are rotatably connected with limit wheels 20 on one side, two movable blocks 18 are fixedly connected with clamping blocks 21 on one side at the bottom, two limit rods 17 are provided with first sliding grooves 22 on the outer side, two limit rods 17 are provided with second sliding grooves 28 on the outer side at the top, two first sliding grooves 22 are communicated with two second sliding grooves 28 respectively, two first sliding grooves 22 and two second sliding grooves 28 are matched with two clamping blocks 21 respectively, two movable blocks 18 are slidably connected with toothed plates 23 on one side, two limit rods 17 are provided with clamping teeth matched with two toothed plates 23 on the outer side, two toothed plates 23 are fixedly connected with springs 24 on one side, and two springs 24 are fixedly connected with two clamping blocks 21 at one end.

[0025] As Figure 1 and Figure 3 As shown, two installation plates 2 are rotatably installed with driving wheels 5 on opposite sides, two installation plates 2 are fixedly connected with driving motors on one side, and two driving motor output ends are fixedly connected with two driving wheels 5 respectively.

[0026] The utility model discloses in using: can through first positive and negative motor drive second threaded rod 11 rotation, second threaded rod 11 rotation drive moving block 3 horizontal movement, moving block 3 drive driven wheel 4 moves, thereby convenient for worker adjustment driven wheel 4 and the distance between driving wheel 5, make driven wheel 4 can cooperate driving wheel 5 to the steel pipe 6 of different diameter and support, increased the application scope of device.

[0027] The first positive and negative motor drives the second threaded rod 11 to rotate, and drives the second bevel gear 12 to rotate, and the second bevel gear 12 drives the first bevel gear 10 to rotate, and the first bevel gear 10 drives the first threaded rod 9 to rotate, and the first threaded rod 9 drives the supporting plate 8 to move up or down, and the height of the spraying plate 27 between the two supporting plates 8 is adjusted synchronously, and the working efficiency is improved, and when the device sprays the steel pipe 6 with different diameters, the distance between the spray gun and the surface of the steel pipe 6 will not change because of the different steel pipes 6, and the spray gun is prevented from being too far from the steel pipe 6 to make part of the paint unable to be sprayed onto the surface of the steel pipe 6, thereby preventing the waste of paint.

[0028] The shaft 14 is located at the middle position of the driven wheel 4 and the driving wheel 5, and the moving block 3 drives the two positioning rods 13 to move while moving, and the positioning rods 13 drive the shaft 14 to move, because the two positioning rods 13 connected with the shaft 14 rotate have the same length, and the two positioning rods 13 have the same distance from the center of the driven wheel 4 and the driving wheel 5, so the shaft 14 is always in the middle of the driven wheel 4 and the driving wheel 5, and the movement of the shaft 14 drives the transmission plate 15 to move horizontally, and the transmission plate 15 drives the limiting rod 17 to move through the sliding block 16, so that the limiting rod 17 is always located in the middle of the driven wheel 4 and the driving wheel 5, and before spraying, the worker can pull the movable block 18 to make the movable block 18 move downward, and the movable block 18 drives the fixed block 19 to move downward to make the limiting wheel 20 fit the steel pipe 6, the toothed plate 23 is matched with the inclined downward clamping teeth on one side of the limiting rod 17, the toothed plate 23 limits the movable block 18 to move downward only and cannot move upward by itself, and the limiting wheel 20 prevents the steel pipe 6 from falling between the driving wheel 5 and the driven wheel 4 when the steel pipe 6 rotates, thereby causing a safety accident. When spraying, the driving motor drives the driving wheel 5 to rotate, so that the driving wheel 5 drives the steel pipe 6 to rotate, and then the second positive and negative motor is started, and the second positive and negative motor drives the spraying plate 27 to move back and forth through the third threaded rod 26, so that the surface of the steel pipe 6 is sprayed.

[0029] After spraying, the worker can pull the toothed plate 23 to make the toothed plate 23 and the clamping teeth of the limiting rod 17 disengage, and then pull the movable block 18 to rise, and when the clamping block 21 moves to the top of the first sliding groove 22, the first sliding groove 22 can be rotated into the second sliding groove 28 at this time, and the movable block 18 rotates 90 degrees around the limiting rod 17 at this time, so that the limiting wheel 20 does not affect the taking and placing of the steel pipe 6 when working, and the movable block 18 and the fixed block 19 are fixedly connected through bolts, and if the toothed plate 23 and the clamping teeth of the limiting rod 17 are misaligned when the limiting wheel 20 fits the steel pipe 6 when working, the bolt can be rotated to adjust the fixed block 19, so that the toothed plate 23 corresponds to the clamping teeth.

[0030] It is apparent for a person skilled in the art that the present application is not restricted to the details of the above exemplary embodiments, but that it can be implemented in other concrete forms without departing from the spirit or the essential characteristics of the present application. Therefore, the embodiments should be considered as exemplary only, and not limiting, the scope of the present application being defined by the appended claims rather than the above description, and all changes coming within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference signs in the claims should not be construed as limiting the claims concerned.

Claims

1. A painting installation for plastic-coated steel pipes comprising a base (1) and a steel pipe (6), characterized in that: The bottom (1) top two sides are fixedly connected with mounting plate (2), two the mounting plate (2) inside are slidably connected with moving block (3), two the mounting plate (2) top are fixedly connected with mounting bracket (7), two the mounting bracket (7) inside one side are slidably connected with the supporting plate (8), two the mounting bracket (7) inside are rotatably connected with first threaded rod (9), two the first threaded rod (9) are respectively penetrated through two supporting plate (8) and are connected with two supporting plate (8) threadedly, two the mounting bracket (7) inside upper and lower ends are slidably connected with sliding block (16), four The sliding block (16) is a group, every group the sliding block (16) between is fixedly connected with limit rod (17), two The limit rod (17) outside are movably connected with movable block (18), two The movable block (18) one side is provided with limit wheel (20).

2. A paint spraying apparatus for a plastic coated steel pipe as defined in claim 1, wherein: Two The mounting plate (2) inside are rotatably connected with second threaded rod (11), two The mounting plate (2) one side is fixedly connected with first positive and negative motor, two The first positive and negative motor output is fixedly connected with two second threaded rod (11) respectively, two The second threaded rod (11) is respectively penetrated through two moving block (3) and is connected with two moving block (3) threadedly, two The moving block (3) opposite side is rotatably installed with driven wheel (4), two The second threaded rod (11) one end outside is fixedly connected with second bevel gear (12).

3. A paint spraying apparatus for a plastic coated steel pipe as defined in claim 2, wherein: Two The first threaded rod (9) bottom is respectively penetrated through two mounting plate (2) top and is rotatably connected with two mounting plate (2), two The first threaded rod (9) bottom is fixedly connected with first bevel gear (10), two The first bevel gear (10) is respectively meshed with two second bevel gear (12), two The supporting plate (8) between rotatably connected with third threaded rod (26), one The supporting plate (8) one side is fixedly connected with second positive and negative motor, the second positive and negative motor output is fixedly connected with third threaded rod (26), the third threaded rod (26) outside is threadedly connected with spraying plate (27), the spraying plate (27) one side is fixedly connected with multiple spray gun, two The supporting plate (8) between fixedly connected with slide rod (25), the slide rod (25) is penetrated through spraying plate (27) and is slidably connected with spraying plate (27).

4. The apparatus according to claim 1, wherein: Two The mounting plate (2) one side is slidably connected with transmission plate (15), two The transmission plate (15) inside are slidably connected with rotating shaft (14), two The moving block (3) and two mounting plate (2) one side are rotatably installed with positioning rod (13), four The positioning rod (13) one end is rotatably connected with two rotating shaft (14), two The transmission plate (15) top is fixedly connected with two in mounting bracket (7) bottom sliding block (16) respectively.

5. The apparatus according to claim 1, wherein: Two movable blocks (18) are provided with fixed blocks (19) on one side, and two fixed blocks (19) and two movable blocks (18) are connected by bolts respectively, and two fixed blocks (19) are rotatably connected with limiting wheels (20) on one side.

6. A paint spraying apparatus for a plastic coated steel pipe as defined in claim 5, wherein: Two movable blocks (18) are provided with clamping blocks (21) on one side, two limiting rods (17) are provided with first sliding grooves (22) on the outer side, two limiting rods (17) are provided with second sliding grooves (28) on the outer side, two first sliding grooves (22) are communicated with two second sliding grooves (28) respectively, two first sliding grooves (22) and two second sliding grooves (28) are matched with two clamping blocks (21) respectively, two movable blocks (18) are slidably connected with toothed plates (23) on one side, two limiting rods (17) are provided with clamping teeth matched with two toothed plates (23) on the outer side, two toothed plates (23) are fixedly connected with springs (24) on one side, and two springs (24) are fixedly connected with two clamping blocks (21) on one end.

7. A paint spraying apparatus for use in the coating of plastic coated steel pipe as defined in claim 1, wherein: Two mounting plates (2) are rotatably provided with driving wheels (5) on the opposite sides, and two mounting plates (2) are fixedly connected with driving motors on one side, and the output ends of two driving motors are fixedly connected with two driving wheels (5) respectively.

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