Pretreatment device for processing anti-corrosion coating

Abstract

The utility model discloses an anticorrosive coating processing pretreatment device, which relates to the technical field of pipeline anticorrosive processing and comprises a base, a transmission shaft sleeve is movably arranged in the middle of the base through a bearing, a transmission shaft is inserted into the top end of the transmission shaft sleeve, and a hexagonal shaft is arranged at the bottom end of the transmission shaft. A plurality of movable arms are arranged at the top end of the transmission shaft in a surrounding mode through pin shafts, a brush roller is arranged at one end of each movable arm, and each brush roller is of a conical structure. The rotatable transmission shaft is arranged above the base, the top end of the transmission shaft is provided with the brush rollers of the conical structures through the movable arms, when the inner wall of the pipeline is pretreated, the pipeline is directly arranged on the outer sides of the brush rollers from top to bottom in a sleeving mode, and the brush rollers are attached to the inner wall of the pipeline and rotate under traction of the transmission shaft; the inner wall of the pipeline can be quickly treated, accurate positioning is not needed in the pipeline placing process, and therefore efficient treatment of the pipeline can be achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of pipeline anti-corrosion processing, in particular to an anti-corrosion coating processing pre-treatment device. Background Art

[0002] Metal pipes are widely used, mainly in water supply, drainage, heating, gas supply, long-distance transportation of oil and natural gas, agricultural irrigation, hydraulic engineering and various industrial devices. In order to avoid corrosion of pipes after long-term use, it is necessary to spray anti-corrosion coating on their surface during processing. Before the anti-corrosion coating is processed on the inner wall of the pipe, the inner wall of the pipe needs to be polished to ensure the spraying effect of the anti-corrosion coating. In the prior art, a grinder is used to polish the inner wall of the pipe.

[0003] For example, a pipeline inner wall grinding device with publication number CN217453252U includes a cylindrical chassis, a first motor is fixedly installed in the left end of the chassis, the rotating shaft of the first motor extends to the left to the outside of the chassis and is fixedly installed with a mounting seat, a grinding mechanism is provided on the mounting seat, a plurality of walking mechanisms are evenly spaced around the axis on the outside of the chassis, each walking mechanism includes two support arms arranged in parallel on the left and right, one end of the support arm is rotatably connected to the outside of the chassis through a hinge seat, a support seat is fixedly installed on the other end of the support arm, a walking wheel supported on the inner wall of the pipeline is rotatably installed on the support seat, a second motor for driving the walking wheel to rotate is fixedly installed on the support seat; the walking wheel is driven to rotate by the second motor, and the chassis is driven to move in the pipeline by the walking wheel, and the inner wall of the pipeline is polished and cleaned by the polishing mechanism while the chassis moves, so the polishing efficiency is higher and manpower is saved.

[0004] The above technical solution has some problems in practical application. The technical solution is only applicable to the processing of pipelines with larger diameters and longer lengths. When processing batches of shorter pipelines, the efficiency is low.

[0005] Therefore, it is necessary to invent a pre-processing device for anti-corrosion coating to solve the above problems. Utility Model Content

[0006] The purpose of the utility model is to provide a pre-processing device for anti-corrosion coating processing to solve the problems raised in the above-mentioned background technology.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a device for pre-processing an anti-corrosion coating, comprising a base, a transmission shaft sleeve is movably arranged in the middle part of the base through a bearing, a transmission shaft is plugged into the top end of the transmission shaft sleeve, and the bottom end of the transmission shaft is arranged as a hexagonal shaft, a plurality of movable arms are arranged around the top end of the transmission shaft through a pin shaft, a brush roller is arranged at one end of the movable arm, and the brush roller is arranged as a conical structure, a slide groove with a strip structure is penetrated through the middle part of the movable arm, a slide rod is penetrated inside the slide groove, a connecting seat is fixedly arranged at the bottom end of the slide rod, a plurality of sliding sleeves are fixedly arranged between the plurality of connecting seats, and the sliding sleeve is sleeved on the top end of the transmission shaft, an annular seat is fixedly arranged at the bottom end of the sliding sleeve, a positioning seat is arranged below the annular seat, and the positioning seat is fixedly arranged in the middle part of the transmission shaft, a plurality of positioning blocks are arranged around the inner side of the annular seat, a plurality of fixed blocks are fixedly arranged on the upper surface of the positioning seat, and a spring is arranged between the fixed block and the positioning block.

[0008] Preferably, a driving motor is fixedly disposed at the bottom end of the transmission sleeve, and the driving motor is fixedly disposed inside the base.

[0009] Preferably, a locking bolt is provided through the screw hole formed at the top end of the outer wall of the transmission shaft sleeve, and one end of the locking bolt is in contact with the outer wall of the transmission shaft.

[0010] Preferably, a waste box with an annular structure is fixedly arranged above the base, and a protective net is fixedly arranged on the top of the waste box.

[0011] Preferably, a plurality of material discharge troughs are provided through the upper surface of the protective net, and the plurality of material discharge troughs are all provided as strip structures.

[0012] Preferably, a connecting sleeve is provided above the protective net, and the connecting sleeve is fixedly provided at the bottom end of the transmission shaft sleeve, and brushes are fixedly provided on both sides of the connecting sleeve, and the brushes are in contact with the upper surface of the protective net.

[0013] Technical effects and advantages of the utility model:

[0014] 1. The utility model sets a rotatable transmission shaft above the base, and the top of the transmission shaft is provided with a plurality of brush rollers of a conical structure through a movable arm. A slide rod is set in a slide groove opened in the middle of the movable arm, and the slide rod is connected with a slide sleeve through a connecting seat. The slide sleeve can drive the slide rod to move under the action of a spring, so as to push the movable arm outward, thereby pushing the brush roller outward. When pre-processing the inner wall of the pipeline, the pipeline is directly sleeved from top to bottom on the outside of the plurality of brush rollers, and the plurality of brush rollers are fitted with the inner wall of the pipeline and rotated under the traction of the transmission shaft, so as to realize rapid processing of the inner wall of the pipeline, and the pipeline placement process does not need precise positioning, so that efficient processing of the pipeline can be realized;

[0015] 2. The utility model is provided with a base, a waste box is provided above the base, and a protective net is provided above the waste box. Small particles of waste generated during the grinding process can directly pass through the protective net and fall into the waste box, and large particles of waste can be pushed into the discharge chute under the action of the brush and then enter the waste box, thereby realizing the collection and cleaning of waste chips during the grinding process. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0017] Figure 2 It is a schematic diagram of the base structure of the utility model.

[0018] Figure 3 This is a schematic diagram of the transmission shaft structure of the utility model.

[0019] Figure 4 It is a schematic diagram of the interior of the annular seat structure of the utility model.

[0020] In the figure: 1. base; 2. transmission shaft sleeve; 3. transmission shaft; 4. movable arm; 5. brush roller; 6. slide groove; 7. slide rod; 8. connecting seat; 9. slide sleeve; 10. annular seat; 11. positioning seat; 12. positioning block; 13. fixing block; 14. spring; 15. drive motor; 16. locking bolt; 17. waste box; 18. protective net; 19. discharge chute; 20. connecting sleeve; 21. brush. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] The utility model provides Figure 1-4 The anti-corrosion coating pre-processing device shown in the figure comprises a base 1, a transmission sleeve 2 is movably arranged in the middle of the base 1 through a bearing, a transmission shaft 3 is inserted and arranged at the top of the transmission sleeve 2, and the bottom end of the transmission shaft 3 is arranged as a hexagonal shaft, a plurality of movable arms 4 are arranged around the top of the transmission shaft 3 through a pin shaft, a brush roller 5 is arranged at one end of the movable arm 4, and the brush roller 5 is arranged as a conical structure, and the setting of the conical structure facilitates the pipe to be sleeved on the outside of the plurality of brush rollers 5;

[0023] Specifically, a strip-shaped slide groove 6 is provided through the middle of the movable arm 4, a slide rod 7 is provided through the interior of the slide groove 6, a connecting seat 8 is fixedly provided at the bottom end of the slide rod 7, a plurality of connecting seats 8 are fixedly provided with a sliding sleeve 9, and the sliding sleeve 9 is sleeved on the top of the transmission shaft 3, an annular seat 10 is fixedly provided at the bottom end of the sliding sleeve 9, a positioning seat 11 is provided below the annular seat 10, and the positioning seat 11 is fixedly provided in the middle of the transmission shaft 3, and a plurality of positioning blocks 12 are provided around the inner side of the annular seat 10. A plurality of fixing blocks 13 are fixedly arranged on the upper surface of the positioning seat 11, and a spring 14 is arranged between the fixing block 13 and the positioning block 12. The spring 14 acts on the positioning block 12, so that the positioning block 12 drives the annular seat 10 to rotate, and the annular seat 10 drives the sliding sleeve 9 to rotate, and the sliding sleeve 9 drives the sliding rod 7 to rotate through the connecting seat 8, so that the sliding rod 7 squeezes the inner wall of the sliding groove 6. At this time, the movable arm 4 is squeezed by the sliding rod 7 to move outward, and the movable arm 4 drives the brush roller 5 to move outward, so that the brush roller 5 fits the inner wall of the pipeline;

[0024] More specifically, a driving motor 15 is fixedly arranged at the bottom end of the transmission sleeve 2, and the driving motor 15 is fixedly arranged inside the base 1. A locking bolt 16 is penetrated through the screw hole opened at the top end of the outer wall of the transmission sleeve 2, and one end of the locking bolt 16 is in contact with the outer wall of the transmission shaft 3. The setting of the locking bolt 16 enables the position between the transmission sleeve 2 and the transmission shaft 3 to be adjusted and fixed. When processing pipelines of different lengths, the position of the transmission shaft 3 can be adjusted to facilitate the placement of the pipelines.

[0025] In addition, a waste box 17 with an annular structure is fixedly arranged above the base 1, and a protective net 18 is fixedly arranged on the top of the waste box 17. A plurality of feed troughs 19 are penetrated through the upper surface of the protective net 18, and the plurality of feed troughs 19 are all arranged in a strip structure. A connecting sleeve 20 is arranged above the protective net 18, and the connecting sleeve 20 is fixedly arranged at the bottom end of the transmission shaft sleeve 2. Brushes 21 are fixedly arranged on both sides of the connecting sleeve 20, and the brushes 21 are in contact with the upper surface of the protective net 18. The brushes 21 can rotate with the transmission shaft sleeve 2 through the connecting sleeve 20 to realize the cleaning of waste chips on the surface of the protective net 18. In order to ensure the cleaning effect of waste chips, an exhaust fan can be added on one side of the waste box 17 to improve the collection and capture effect of waste chips.

[0026] Working principle of this utility model:

[0027] When the device is in use, the pipeline is moved to the top of the device, and the pipeline is made to correspond to the positions of the multiple brush rollers 5, and the pipeline is pushed downward so that the pipeline is sleeved on the outside of the multiple brush rollers 5. At this time, the spring 14 acts on the positioning block 12, so that the positioning block 12 drives the annular seat 10 to rotate, and the annular seat 10 drives the sliding sleeve 9 to rotate, and the sliding sleeve 9 drives the sliding rod 7 to rotate through the connecting seat 8, so that the sliding rod 7 squeezes the inner wall of the slide groove 6. At this time, the movable arm 4 is squeezed outward by the sliding rod 7, and the movable arm 4 drives the brush roller 5 to move outward, so that the brush roller 5 fits the inner wall of the pipeline. At this time, the driving motor 15 drives the transmission sleeve 2 to rotate, the transmission sleeve 2 drives the transmission shaft 3 to rotate, and the transmission shaft 3 drives the brush roller 5 to rotate, so as to grind the inner wall of the pipeline for subsequent coating processing of the pipeline;

[0028] The waste debris that falls off during the treatment of the inner wall of the pipeline falls freely to the top of the protective net 18. Small particles of waste debris can directly pass through the protective net 18 into the waste box 17, while large particles of waste debris are pushed into the discharge chute 19 under the action of the brush 21, and then enter the waste box 17 through the discharge chute 19 to achieve the cleaning of the waste debris.

[0029] Finally, it should be noted that the above is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments, or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present utility model shall be included in the protection scope of the present utility model.

Claims

1. A pre-processing device for anti-corrosion coating, comprising a base (1), characterized in that: A transmission sleeve (2) is movably provided in the middle of the base (1) through a bearing, a transmission shaft (3) is inserted at the top of the transmission sleeve (2), and the bottom end of the transmission shaft (3) is set as a hexagonal shaft, a plurality of movable arms (4) are arranged around the top of the transmission shaft (3) through a pin shaft, a brush roller (5) is arranged at one end of the movable arm (4), and the brush roller (5) is set as a conical structure, a strip-shaped slide groove (6) is penetrated in the middle of the movable arm (4), a slide rod (7) is penetrated inside the slide groove (6), and a connecting seat ( 8), a sliding sleeve (9) is fixedly arranged between the plurality of connecting seats (8), and the sliding sleeve (9) is sleeved on the top end of the transmission shaft (3), an annular seat (10) is fixedly arranged at the bottom end of the sliding sleeve (9), a positioning seat (11) is arranged below the annular seat (10), and the positioning seat (11) is fixedly arranged in the middle of the transmission shaft (3), a plurality of positioning blocks (12) are arranged around the inner side of the annular seat (10), a plurality of fixed blocks (13) are fixedly arranged on the upper surface of the positioning seat (11), and a spring (14) is arranged between the fixed block (13) and the positioning block (12).

2. The anti-corrosion coating pre-processing device according to claim 1, characterized in that: A driving motor (15) is fixedly arranged at the bottom end of the transmission shaft sleeve (2), and the driving motor (15) is fixedly arranged inside the base (1).

3. The anti-corrosion coating pre-processing device according to claim 2, characterized in that: A locking bolt (16) is provided through a screw hole provided at the top end of the outer wall of the transmission shaft sleeve (2), and one end of the locking bolt (16) is in contact with the outer wall of the transmission shaft (3).

4. The anti-corrosion coating pre-processing device according to claim 3 is characterized in that: A waste box (17) with an annular structure is fixedly arranged above the base (1), and a protective net (18) is fixedly arranged at the top of the waste box (17).

5. The anti-corrosion coating pre-processing device according to claim 4, characterized in that: A plurality of material discharge troughs (19) are provided through the upper surface of the protective net (18), and the plurality of material discharge troughs (19) are all provided in a strip-shaped structure.

6. The anti-corrosion coating pre-processing device according to claim 5, characterized in that: A connecting sleeve (20) is arranged above the protective net (18), and the connecting sleeve (20) is fixedly arranged at the bottom end of the transmission shaft sleeve (2), and brushes (21) are fixedly arranged on both sides of the connecting sleeve (20), and the brushes (21) are in contact with the upper surface of the protective net (18).

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