CN213590896U - Coating spraying device for inner wall of small-caliber pipe - Google Patents
Coating spraying device for inner wall of small-caliber pipe Download PDFInfo
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- CN213590896U CN213590896U CN202021979731.2U CN202021979731U CN213590896U CN 213590896 U CN213590896 U CN 213590896U CN 202021979731 U CN202021979731 U CN 202021979731U CN 213590896 U CN213590896 U CN 213590896U
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Abstract
The utility model provides a small-bore pipe inner wall coating spraying device, spraying device include rotary mechanism, spraying mechanism, arrangement mechanism and inlet pipe, rotary mechanism, spraying mechanism and arrangement mechanism link to each other in proper order on the direction of feed of coating, the inlet pipe with rotary mechanism connects and passes rotary mechanism with thereby spraying mechanism connects and carries coating extremely spraying mechanism, the inlet pipe can drive rotary mechanism removes and rotates rotary mechanism removes and drives when rotatory mechanism removes and rotatory spraying mechanism removes and by spraying mechanism will coating spraying arrives small-bore pipe inner wall, spraying mechanism removes the drive arrangement mechanism removes and contacts the spraying when removing and arrives small-bore pipe inner wall thereby coating makes its distribution even. Compared with the prior art, the utility model discloses a small-bore pipe inner wall coating spraying device easy operation, easy to maintain are applicable to the spraying of the various coatings of small-bore pipe inner wall.
Description
Technical Field
The utility model belongs to the technical field of the coating is handled, specifically, relate to a small-bore pipe inner wall coating spraying device.
Background
In engineering practice, market demands for antibacterial and anticorrosive coatings in pipelines are often met. The spraying in the pipeline needs to be realized by means of special spraying equipment in the pipeline or a robot walking in the pipeline, the spraying equipment can generally solve the problem of spraying in the pipeline with the caliber of more than 100 millimeters, and the spraying equipment also has technical difficulty for spraying in the small-caliber pipeline with the diameter of less than 100 millimeters, particularly the small-caliber pipeline with a longer size. The common operation modes of the spray coating device in the pipe are folding type and rotating type, and when the radial advancing is solved, extra power is needed to complete the rotary spray coating.
The fresh air system is a set of independent air processing system consisting of an air supply system and an air exhaust system, and is increasingly popularized in household residences and office places at present. It is divided into two types of pipeline type fresh air system and pipeline-free fresh air system. Wherein, pipeline formula new trend system comprises new fan and pipe fitting, purifies the leading-in indoor of outdoor air through new fan, discharges the room air through the pipeline. The inside of the pipeline needs to be sprayed with the antibacterial coating, but the aperture ratio of the fresh air pipe is smaller, usually 50mm-120mm, and the inner wall is smooth, good in bending performance and long in distance. Therefore, it is difficult to uniformly coat the antibacterial paint in the interior of the container by using a common method or device. Therefore, an in-pipe spraying device suitable for small-caliber long-distance pipelines is urgently needed.
SUMMERY OF THE UTILITY MODEL
The problem of the difficult operation of small-bore pipe inner wall coating to prior art exists, the utility model provides a small-bore pipe inner wall coating spraying device.
Particularly, the utility model relates to an aspect as follows:
the utility model provides a small-bore pipe inner wall coating spraying device, the device includes rotary mechanism, spraying mechanism, arrangement mechanism and inlet pipe, rotary mechanism, spraying mechanism and arrangement mechanism link to each other in proper order in the direction of feed of coating, the inlet pipe with rotary mechanism connects and passes rotary mechanism with spraying mechanism connects thereby carry coating to spraying mechanism, the inlet pipe can drive rotary mechanism removes and rotates rotary mechanism moves and drives when rotary mechanism removes and rotates spraying mechanism removes and rotatory by spraying mechanism will coating sprays to small-bore pipe inner wall, spraying mechanism moves and drives arrangement mechanism removes and contacts the spraying when removing to small-bore pipe inner wall thereby coating makes its distribution even, wherein, rotary mechanism includes tensile component, a, The spraying device comprises a supporting assembly and a rotary power assembly, wherein the pulling assembly provides moving pulling force for the rotary mechanism, the supporting assembly is connected with the feeding pipe and the spraying mechanism and is used for supporting the rotary power assembly, and the rotary power assembly is used for providing rotary power for the rotary mechanism.
Optionally, the pulling force assembly comprises a connecting screw rod, a fixing nut, a rotary bearing and a pipe clamp, the feeding pipe penetrates through the connecting screw rod and the rotary bearing and is fixed at the upstream end of the rotating mechanism in the paint feeding direction through the fixing nut and the pipe clamp, and preferably, the pulling force assembly further comprises a rotary joint, the feeding pipe penetrates through the rotary joint, and the rotary joint is fixed at the downstream end of the rotating mechanism in the paint feeding direction.
Optionally, the support assembly comprises two opposite circular cover plates, two mounting plates respectively matched with the two cover plates, and a sliding sleeve installed between the two mounting plates, and preferably, the sliding sleeve is connected with the mounting plates through sliding pins.
Optionally, the rotary power component includes rotary guide and extension spring, rotary guide sets up between two mounting panels, be located by two the side of the cylinder of bottom surface about the mounting panel is regarded as, and not parallel to the central axis of cylinder, the extension spring sets up between two mounting panels, and be on a parallel with the central axis of cylinder, preferably, the extension spring pass through the extension spring fixed hook with the mounting panel is connected.
Optionally, the number of the rotating guide rails is at least three, the rotating guide rails are uniformly arranged, preferably, the number of the tension springs is two, the number of the sliding sleeves is two, the two tension springs are symmetrical with respect to the central axis of the cylinder, and the two sliding sleeves are symmetrical with respect to the central axis of the cylinder.
Optionally, the rotary power assembly further comprises two rotary shifting forks mounted on the outer side of the downstream end of the rotary mechanism in the paint feeding direction, and the two rotary shifting forks are symmetrical with respect to the central axis of the cylinder.
Optionally, the spraying mechanism includes shower nozzle, cylindric brush, stopper and inlet pipe connects, the shower nozzle pass through the inlet pipe connect with the inlet pipe is connected, the stopper is located inside the shower nozzle and with the shower nozzle forms the coating storage silo, cylindric brush parcel the shower nozzle.
Optionally, the spray head is in the shape of a hollow cylinder, and the spray head is provided with at least 2 paint nozzles, and the aperture of each paint nozzle is 0.2-1.0 mm.
Optionally, the finishing mechanism comprises a cylindrical sponge and a cloth cover wrapping the cylindrical sponge, the cloth cover is in contact with the inner wall of the small-caliber pipe, and preferably, the finishing mechanism further comprises a connecting piece, and the connecting piece is connected with the spraying device through a hook.
Optionally, the spraying device further includes a storage tank and a feeding pump, the storage tank is used for storing the coating, the feeding pump is used for conveying the coating for the feeding pipe, preferably, the spraying device further includes a winder and a control box, the winder is used for winding the feeding pipe, and the control box is used for controlling the feeding pump.
Compared with the prior art, the utility model discloses a small-bore pipe inner wall coating spraying device easy operation, easy to maintain, and can make coating evenly smooth at the spraying of small-bore pipe inner wall, be applicable to the spraying of the various coatings of small-bore pipe inner wall.
Drawings
FIG. 1 is an overall structure diagram of the coating spraying device for the inner wall of the small-caliber pipe of the present invention;
fig. 2 is a sectional view of the small-caliber pipe inner wall coating spraying device of the present invention.
Reference numerals:
111 rotary mechanism, 112 spraying mechanism, 113 finishing mechanism, 114 material storage tank, 115 feeding pump, 116 winding device, 117 control box, small-bore pipe 1, feeding pipe 2, rotary joint 3, connecting screw rod 4, fixing nut 5, cover plate 6, mounting plate 7, rotary guide rail 8, rotary bearing 9, tension spring fixing hook 10, spring 11, sliding sleeve 12, sliding pin 13, rotary shifting fork 14, feeding pipe joint 15, paint nozzle 16, plug 17, cylindrical brush 18, spray head 19, hanging ring 20, hook 21, connecting piece 22, cloth cover 23, cylindrical sponge 24 and pipe clamp 25.
Detailed Description
The present invention will be further described with reference to the following examples, which are intended to be illustrative and not limiting.
Unless defined otherwise, technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art. Although methods and materials similar or equivalent to those described herein can be used in experimental or practical applications, the materials and methods are described below. In case of conflict, the present specification, including definitions, will control, and the materials, methods, and examples are illustrative only and not intended to be limiting. The present invention will be further described with reference to the following specific examples, which should not be construed as limiting the scope of the invention.
The utility model provides a small-bore pipe inner wall coating spraying device. As shown in fig. 1 and 2, the apparatus includes a rotating mechanism 111, a spraying mechanism 112, a tidying mechanism 113, and a feeding pipe 2. The rotating mechanism 111, the spraying mechanism 112 and the arranging mechanism 113 are sequentially connected in a feeding direction of the paint (the feeding direction of the paint is shown by an arrow in fig. 2), the feeding pipe 2 is connected with the rotating mechanism 111 and penetrates through the rotating mechanism 111 to be connected with the spraying mechanism 112 so as to convey the paint to the spraying mechanism 112, the feeding pipe 2 can drive the rotating mechanism 111 to move and rotate, and specifically, the rotating mechanism 111 can move along the axial direction of the small-diameter pipe while rotating for 360 degrees, namely, the feeding direction of the paint is opposite to the feeding direction. When the rotating mechanism 111 moves and rotates, the spraying mechanism 112 is driven to move and rotate, and the coating is sprayed on the inner wall of the small-caliber pipe by the spraying mechanism 112. Likewise, the coating mechanism 112 can move along the axial direction of the small-diameter pipe while rotating 360 degrees, i.e., the direction opposite to the feeding direction of the coating material. The spraying mechanism 112 moves to drive the arranging mechanism 113 to move and contact the coating sprayed on the inner wall of the small-caliber pipe while moving so as to uniformly distribute the coating.
The rotary mechanism 111 includes a tension assembly, a support assembly, and a rotary power assembly. Wherein, the pulling force component provides the moving pulling force to the rotating mechanism 111, the supporting component is connected with the feeding pipe 2 and the spraying mechanism 112 and is used for supporting the rotating power component, and the rotating power component is used for providing the rotating power for the rotating mechanism 111.
The tension assembly comprises a connecting screw rod 4, a fixing nut 5, a rotary bearing 9 and a pipe clamp 25. Wherein the connecting screw rod 4 and the rotary bearing 9 are both hollow, and the feeding pipe 2 passes through the connecting screw rod 4 and the rotary bearing 9 and is fixed at the upstream end of the rotary mechanism 111 in the paint feeding direction by the fixing nut 5 and the pipe clamp 25. After the feeding pipe 2 and the rotating mechanism 111 are fixed at the upstream end in the paint feeding direction, the rotating mechanism 111 can be driven to move when the feeding pipe 2 is pulled. Wherein, the material of connecting screw 4, fixation nut 5, swivel bearing 9 and pipe strap 25 is the metal material that has the rigidity, preferably stainless steel, and the material of inlet pipe 2 can select for use Polyurethane (PU), Polyethylene (PE) and Polystyrene (PG), preferably PU polyurethane type material, has sufficient intensity, and inlet pipe 2 can manually be pulled, also can pull through electric control.
Optionally, the tension assembly may further comprise a swivel 3. The rotary joint 3 is also hollow, the feed pipe 2 passes through the rotary joint 3, and the rotary joint 3 is fixed at the downstream end of the rotary mechanism 111 in the paint feeding direction. The arrangement of the rotary joint 3 can effectively avoid the phenomenon that the feeding pipe 2 rotates along with a block to cause disorder lines in the rotary spraying process of the coating spraying device on the inner wall of the small-caliber pipe. The supporting component comprises two opposite round cover plates 6, two mounting plates 7 which are respectively matched with the two cover plates 6, and a sliding sleeve 12 which is arranged between the two mounting plates. Wherein the sliding sleeve 12 is connected to the mounting plate 7 by means of a sliding pin 13. The material of the cover plate 6 and the material of the sliding sleeve 12 of the mounting plate 7 are both rigid metal materials, and stainless steel is preferred.
The rotary power component comprises a rotary guide rail 8 and an extension spring 11, the rotary guide rail 8 is arranged between the two mounting plates 7 and is positioned by two side faces of the cylinder with the upper and lower bottom faces as the mounting plates 7, and is not parallel to the central axis of the cylinder, and the extension spring 11 is arranged between the two mounting plates 7 and is parallel to the central axis of the cylinder. The number of the rotating guide rails 8 is at least three, for example, three, four, five, six, seven, etc., and the rotating guide rails 8 are uniformly arranged. The material of the rotary rail 8 is a rigid metal material, preferably stainless steel.
The number of the extension springs is at least two, for example, two, three, four and the like, and the number of the sliding sleeves is at least two, for example, two, three, four and the like. Preferably, the number of the tension springs 11 is two, the number of the sliding sleeves 12 is two, the two tension springs 11 are symmetrical with respect to the central axis of the cylinder, and the two sliding sleeves 12 are symmetrical with respect to the central axis of the cylinder. More preferably, two of the tension springs 11 are symmetrical with respect to the central axis of the cylinder, two of the sliding sleeves 12 are symmetrical with respect to the central axis of the cylinder, and two tension springs 11 and two sliding sleeves 12 are uniformly arranged on the two mounting plates 7. Wherein, extension spring 11 is connected with mounting panel 7 through extension spring fixed hook 10, and is specific, and extension spring 11's both ends are connected through an extension spring fixed hook 10 respectively, are connected with two mounting panels 7. The material of the tension spring 11 and the sliding sleeve 12 is a rigid metal material, preferably stainless steel.
Further, the rotary power assembly further includes a rotary fork 14, and the rotary fork 14 is installed outside the downstream end of the rotary mechanism 111 in the paint feeding direction, that is, at the downstream end of the rotary mechanism 111 in the paint feeding direction and faces the spraying mechanism 112. The number of the rotary forks 14 may be one, two or more. In a preferred embodiment, the number of the rotary forks 14 is two, and the two rotary forks 14 are symmetrical with respect to the central axis of the cylinder. The spraying mechanism 112 is provided with a stopper (not shown) that engages with the rotary fork 14 on the outside of the upstream end in the paint feeding direction. When the spraying mechanism 112 drives the lower small-caliber pipe to rotate in the rotating mechanism 111, the rotating shifting fork 14 can prevent the spraying mechanism from rotating only in one direction, but rotates to a certain angle in the spraying mechanism 112, and when the blocking piece on the spraying mechanism 112 touches the rotating shifting fork 14, the spraying mechanism 112 changes the rotating direction and rotates reversely and reversely in the opposite direction to the previous rotating direction, so that the coating is sprayed more uniformly.
The arrangement mechanism 113 comprises a cylindrical sponge 24 and a cloth cover 23 wrapping the cylindrical sponge, and the cloth cover 23 is in contact with the inner wall of the small-caliber pipe. The cloth cover 23 is in contact with the inner wall of the small-caliber pipe to contact the coating sprayed to the inner wall of the small-caliber pipe so as to be uniformly distributed. The cylindrical sponge 24 is cylindrical and is made of sponge. And the material of the cloth cover 23 is fiber cloth.
Further, the arranging mechanism 113 further comprises a connecting member 22, and the connecting member 22 is connected with the spraying device 112 through a hook 21. Specifically, the hook 21 is hung on the hanging ring 20 of the spraying device 112, and is connected with the spraying device 112.
The spraying device further comprises a storage tank 114 and a feeding pump 115, wherein the storage tank 114 is used for storing the coating, and the feeding pump 115 is used for conveying the coating to the feeding pipe 2. Further, the spraying device may further include a winder 116 for winding the feeding pipe 2 and a control box 117 for controlling the feeding pump 115.
The small-caliber pipe inner wall coating spraying device can be suitable for various small-caliber pipes as required, and is preferable, and the pipe diameter of the small-caliber pipe is 50-120 mm. Wherein, the pipe diameter here refers to the nominal diameter of the pipeline, and the pipe diameters below all refer to the nominal diameter. Nominal diameter, also known as mean outside diameter, refers to the standardized series of diameters for containers, pipes and their accessories. The adoption of the nominal diameter is beneficial to realizing the standardization of parts, is also convenient for design, manufacture, repair and management, and reduces the manufacturing cost. For pipes, a dimension smaller than the outer diameter and larger than the inner diameter is used. The outer diameter of the pipe is a constant value corresponding to a nominal diameter of the pipe, and the inner diameter varies with the wall thickness. Aiming at small-caliber pipes with different pipe diameters, for large-caliber adjustment, the diameters of the spray head 19 and the cylindrical brush 18, and the diameters of the cloth sleeve 23 and the cylindrical sponge 24 can be correspondingly adjusted to adapt to different pipe diameters of the small-caliber pipes. For small caliber adjustments, for example within 50mm, different small caliber pipe diameters can be accommodated simply by selecting the rotating mechanism 111 and the cylindrical brush 18 of the corresponding diameters, and the cloth cover 23. The small-bore pipe diameters can be divided into DN65, DN70, DN80, DN90, DN102, DN115, where DN represents the nominal diameter of the pipe. The rotating mechanism 111 configured with three different diameters can completely cover the diameter range of the small-diameter pipes DN65 to DN 115.
The coating can be any coating, such as solvent-based anticorrosive coating, water-based anticorrosive coating, solvent-based antibacterial coating, water-based antibacterial coating, preferably water-based antibacterial coating.
The utility model discloses a small-bore pipe inner wall coating spraying device's theory of operation as follows:
the feeding pipe 2 drives the rotating mechanism 111 to move axially in the small-caliber pipe, the rotating mechanism 111 enables the self-rotating track 8 of the rotating mechanism to interact with the inner wall of the small-caliber pipe in the moving process to generate a wall pressing force, and the rotating mechanism 111 rotates 360 degrees after friction is formed due to the rifling principle. Wherein, the rifling is also called rifling, and the bore is a spiral concave-convex line. The concave portions are called grooves and the convex portions are called lands. The rifling is used for enabling the bullet to rotate so as to keep stable flight, improve the hitting precision and increase the penetration force. Rifling of the existing weapon of the Chinese army has a spiral line. When the bullet is embedded with rifling under the action of gunpowder gas, the bullet moves forwards along the rifling and starts to rotate at the same time, the rotating bullet head is similar to a gyro, the axis of the bullet is equivalent to the axis of the gyro, and the tangent line of the bullet trajectory, namely the flying direction of the bullet after the bullet leaves the muzzle, is equivalent to a vertical axis. The rotating speed of the bullet reaches 3000 revolutions per second, the bullet does circular motion around the bullet, and the axis of the bullet always does conical motion around the trajectory tangent line, so that air blockage can be overcome, the bullet flies forwards continuously, and the bullet is ensured to fly forwards stably. The utility model discloses become the spiral form guide rail on the rotary device with the rifling, produce the rotation axis through its frictional force with the inside pipe wall and move forward.
The rotating mechanism 111 drives the spraying mechanism 112 to move and rotate, after the coating reaches the spraying mechanism 112 from the feeding pipe 2, the coating is sprayed out from the coating nozzle 16 on the spraying mechanism 112, and the sprayed coating is uniformly coated on the inner wall of the small-diameter pipe through the cylindrical brush 18. The finishing mechanism 113 is in contact with the inner wall of the small-caliber pipe through its cloth cover 23, so as to contact the coating sprayed on the inner wall of the small-caliber pipe and to distribute it uniformly.
The utility model discloses a small-bore pipe inner wall coating spraying device simple structure, convenient operation drives rotary mechanism 111 along axial displacement in the small-bore intraductal through inlet pipe 2, and rotary mechanism 111 makes rotary mechanism's autogyration track 8 and small-bore pipe inner wall interact at the removal in-process, produces and presses the wall power, makes rotary mechanism 111 be 360 degrees rotations after owing to the rifling principle forms the friction. The rotating mechanism 111 further drives the spraying mechanism 112 to move and rotate, so that the sprayed coating is uniformly coated on the inner wall of the small-bore pipe, and the coating sprayed on the inner wall of the small-bore pipe is uniformly distributed under the action of the arranging mechanism 113. In addition, the size of the coating spraying device for the inner wall of the small-caliber pipe can be simply adjusted, so that the coating spraying device is suitable for various small-caliber pipes.
Example 1
As shown in fig. 1 and 2, the device for spraying the coating on the inner wall of the small-caliber pipe comprises a rotating mechanism 111, a spraying mechanism 112, a finishing mechanism 113 and a feeding pipe 2. The rotating mechanism 111, the spraying mechanism 112 and the finishing mechanism 113 are sequentially connected in a feeding direction of the coating (the feeding direction of the coating is shown by an arrow in fig. 2), the feeding pipe 2 is connected with the rotating mechanism 111 and penetrates through the rotating mechanism 111 to be connected with the spraying mechanism 112 so as to convey the coating to the spraying mechanism 112, the feeding pipe 2 can drive the rotating mechanism 111 to move, when the rotating mechanism 111 moves, the spraying mechanism 112 is driven to move and the coating is sprayed on the inner wall of the small-caliber pipe by the spraying mechanism 112, and when the spraying mechanism 112 moves, the finishing mechanism 113 is driven to move and contacts the coating sprayed on the inner wall of the small-caliber pipe while moving, so that the coating is uniformly distributed.
The rotary mechanism 111 includes a tension assembly, a support assembly, and a rotary power assembly. Wherein, the pulling force component provides the moving pulling force to the rotating mechanism 111, the supporting component is connected with the feeding pipe 2 and the spraying mechanism 112 and is used for supporting the rotating power component, and the rotating power component is used for providing the rotating power for the rotating mechanism 111.
The tension assembly comprises a connecting screw rod 4, a fixing nut 5, a rotary bearing 9 and a pipe clamp 25. Wherein the connecting screw rod 4 and the rotary bearing 9 are both hollow, and the feeding pipe 2 passes through the connecting screw rod 4 and the rotary bearing 9 and is fixed at the upstream end of the rotary mechanism 111 in the paint feeding direction by the fixing nut 5 and the pipe clamp 25. After the feeding pipe 2 and the rotating mechanism 111 are fixed at the upstream end in the paint feeding direction, the rotating mechanism 111 can be driven to move when the feeding pipe 2 is pulled. Wherein, connecting screw 4, fixation nut 5, swivel bearing 9 and pipe strap 25's material are the stainless steel, and the pipe diameter of inlet pipe 2 is 6 millimeters, and the material is the PU trachea, has sufficient intensity, and inlet pipe 2 can be through manual pulling. The tension assembly may also include a swivel 3. The rotary joint 3 is also hollow, the feed pipe 2 passes through the rotary joint 3, and the rotary joint 3 is fixed at the downstream end of the rotary mechanism 111 in the paint feeding direction. The arrangement of the rotary joint 3 can effectively avoid the phenomenon that the feeding pipe 2 rotates along with a block to cause disorder lines in the rotary spraying process of the coating spraying device on the inner wall of the small-caliber pipe.
The supporting component comprises two opposite round cover plates 6, two mounting plates 7 matched with the two cover plates 6 respectively, and a sliding sleeve 12 arranged between the two mounting plates 7. Wherein the sliding sleeve 12 is connected to the mounting plate 7 by means of a sliding pin 13. The diameters of the cover plate 6 and the mounting plates 7 are 60 mm, and the stationary distance between the two mounting plates 7 is 100 mm, that is, the distance between the two mounting plates 7 when the rotating mechanism 111 is stationary is 100 mm. The cover plate 6 and the mounting plate 7 are made of stainless steel, and the sliding sleeve 12 is made of stainless steel.
The rotary power component comprises a rotary guide rail 8 and an extension spring 11, the rotary guide rail 8 is arranged between the two mounting plates 7 and is positioned by two side faces of the cylinder with the upper and lower bottom faces as the mounting plates 7, and is not parallel to the central axis of the cylinder, and the extension spring 11 is arranged between the two mounting plates 7 and is parallel to the central axis of the cylinder. The number of the rotating guide rails 8 is four, and the rotating guide rails 8 are uniformly arranged. The material of the rotating guide rail 8 is stainless steel. The quantity of extension spring 11 is two, sliding sleeve 12's quantity is two, two extension spring 11 for the central axis symmetry of cylinder, two sliding sleeve 12 for the central axis symmetry of cylinder, and two extension springs 11 and two sliding sleeve 12 evenly arrange on two mounting panels 7. Two ends of the tension spring 11 are respectively connected with the two mounting plates 7 through a tension spring fixing hook 10. Wherein, the material of the tension spring 11 and the sliding sleeve 12 is stainless steel.
The rotary power assembly further includes a rotary fork 14, and the rotary fork 14 is installed outside the downstream end of the rotary mechanism 111 in the paint feeding direction, that is, at the downstream end of the rotary mechanism 111 in the paint feeding direction and facing the spraying mechanism 112. The number of the rotary shifting forks 14 is two, and the two rotary shifting forks 14 are symmetrical relative to the central axis of the cylinder. The spraying mechanism 112 is provided with a stopper (not shown) that engages with the rotary fork 14 on the outside of the upstream end in the paint feeding direction.
The arrangement mechanism 113 comprises a cylindrical sponge 24 and a cloth cover 23 wrapping the cylindrical sponge, and the cloth cover 23 is in contact with the inner wall of the small-caliber pipe. The cylindrical sponge 24 is cylindrical and 120mm long and is made of sponge. And the material of the cloth cover 23 is fiber cloth. The diameter of the collating mechanism 113 is 68 millimeters.
Further, the arranging mechanism 113 further comprises a connecting member 22, and the connecting member 22 is connected with the spraying device 112 through a hook 21. Specifically, the hook 21 is hung on the hanging ring 20 of the spraying device 112, and is connected with the spraying device 112.
The spraying device further comprises a storage tank 114 and a feeding pump 115, wherein the storage tank 114 is used for storing the coating, and the feeding pump 115 is used for conveying the coating to the feeding pipe 2. Further, the spraying device further comprises a winder 116 and a control box 117, wherein the winder 116 is used for winding the feeding pipe 2, and the control box 117 is used for controlling the feeding pump 115.
While embodiments of the present application have been described above in connection with specific embodiments thereof, the present application is not limited to the above-described embodiments and fields of application, which are intended to be illustrative, instructive, and not restrictive. Those skilled in the art, having the benefit of this disclosure, may effect numerous modifications thereto and changes may be made without departing from the scope of the invention as defined by the appended claims.
Claims (18)
1. A device for spraying paint on the inner wall of a small-caliber pipe, which is characterized in that,
the device comprises a rotating mechanism, a spraying mechanism, a finishing mechanism and a feeding pipe, wherein the rotating mechanism, the spraying mechanism and the finishing mechanism are sequentially connected in the feeding direction of paint, the feeding pipe is connected with the rotating mechanism and penetrates through the rotating mechanism to be connected with the spraying mechanism so as to convey the paint to the spraying mechanism, the feeding pipe can drive the rotating mechanism to move and rotate, the spraying mechanism is driven to move and rotate when the rotating mechanism moves and rotates, the paint is sprayed on the inner wall of the small-caliber pipe by the spraying mechanism, the spraying mechanism moves to drive the finishing mechanism to move and contacts the paint sprayed on the inner wall of the small-caliber pipe while moving so as to be uniformly distributed, the rotating mechanism comprises a tension component, a supporting component and a rotary power component, and the tension component provides moving tension for the rotating mechanism, the supporting assembly is connected with the feeding pipe and the spraying mechanism and used for supporting the rotary power assembly, and the rotary power assembly is used for providing rotary power for the rotary mechanism.
2. The small-caliber pipe inner wall paint spraying device as claimed in claim 1,
the tension assembly comprises a connecting screw rod, a fixing nut, a rotary bearing and a pipe clamp, and the feeding pipe penetrates through the connecting screw rod and the rotary bearing and is fixed at the upstream end of the rotary mechanism in the paint feeding direction through the fixing nut and the pipe clamp.
3. The small-caliber pipe inner wall paint spraying device as claimed in claim 2,
the tension assembly further comprises a rotary joint, the feeding pipe penetrates through the rotary joint, and the rotary joint is fixed at the downstream end of the rotary mechanism in the paint feeding direction.
4. The small-caliber pipe inner wall paint spraying device as claimed in claim 2,
the supporting component comprises two opposite round cover plates, two mounting plates matched with the cover plates and a sliding sleeve arranged between the two mounting plates.
5. The small-caliber pipe inner wall paint spraying device as claimed in claim 4,
the sliding sleeve is connected with the mounting plate through a sliding pin.
6. The small-caliber pipe inner wall paint spraying device as claimed in claim 4,
the rotary power component comprises a rotary guide rail and a tension spring, the rotary guide rail is arranged between the two mounting plates and is positioned by two side faces of the cylinder with the upper bottom face and the lower bottom face serving as the mounting plates and is not parallel to the central axis of the cylinder, and the tension spring is arranged between the two mounting plates and is parallel to the central axis of the cylinder.
7. The small-caliber pipe inner wall paint spraying device as claimed in claim 6,
the extension spring pass through extension spring fixed hook with the mounting panel is connected.
8. The small-caliber pipe inner wall paint spraying device as claimed in claim 6,
the number of the rotating guide rails is at least three, and the rotating guide rails are uniformly arranged.
9. The small-caliber pipe inner wall paint spraying device as claimed in claim 8,
the number of extension springs is two, sliding sleeve's quantity is two, two the extension spring for the central axis symmetry of cylinder, two sliding sleeve for the central axis symmetry of cylinder.
10. The small-caliber pipe inner wall paint spraying device as claimed in claim 6,
the rotary power assembly further comprises a rotary shifting fork, and the rotary shifting fork is arranged on the outer side of the downstream end of the rotary mechanism in the coating feeding direction.
11. The small-caliber pipe inner wall paint spraying device as claimed in claim 10,
the number of the rotary shifting forks is two, and the two rotary shifting forks are symmetrical relative to the central axis of the cylinder.
12. The small-caliber pipe inner wall paint spraying device as claimed in claim 1,
the spraying mechanism includes shower nozzle, cylindric brush, stopper and inlet pipe joint, the shower nozzle passes through the inlet pipe joint with the inlet pipe is connected, the stopper is located inside the shower nozzle and with the shower nozzle forms the coating storage silo, cylindric brush parcel the shower nozzle.
13. The small-caliber pipe inner wall paint spraying device as claimed in claim 12, wherein the spray head is in the shape of a hollow cylinder, and a paint nozzle is arranged on the spray head.
14. The small-caliber pipe inner wall paint spraying device as claimed in claim 13,
the number of the coating nozzles is at least 2, and the aperture of each coating nozzle is 0.2-1.0 mm.
15. The small-caliber pipe inner wall paint spraying device according to claim 1, wherein the tidying mechanism comprises a cylindrical sponge and a cloth cover wrapping the cylindrical sponge, and the cloth cover is in contact with the small-caliber pipe inner wall.
16. The small-caliber pipe inner wall paint spraying device as claimed in claim 15,
the arranging mechanism further comprises a connecting piece, and the connecting piece is connected with the spraying device through a hook.
17. The small-caliber pipe inner wall paint spraying device as claimed in claim 1,
the spraying device further comprises a storage tank and a feeding pump, wherein the storage tank is used for storing the coating, and the feeding pump is used for conveying the coating to the feeding pipe.
18. The small-caliber pipe inner wall paint spraying device as claimed in claim 17,
the spraying device further comprises a winder and a control box, the winder is used for winding the feeding pipe, and the control box is used for controlling the feeding pump.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021979731.2U CN213590896U (en) | 2020-09-11 | 2020-09-11 | Coating spraying device for inner wall of small-caliber pipe |
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| CN202021979731.2U CN213590896U (en) | 2020-09-11 | 2020-09-11 | Coating spraying device for inner wall of small-caliber pipe |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112024216A (en) * | 2020-09-11 | 2020-12-04 | 三河市安霸生物技术有限公司 | Coating spraying device for inner wall of small-caliber pipe |
| CN113769918A (en) * | 2021-09-08 | 2021-12-10 | 西安交通大学 | Small-caliber pipeline inner wall spraying robot and control method thereof |
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2020
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112024216A (en) * | 2020-09-11 | 2020-12-04 | 三河市安霸生物技术有限公司 | Coating spraying device for inner wall of small-caliber pipe |
| CN113769918A (en) * | 2021-09-08 | 2021-12-10 | 西安交通大学 | Small-caliber pipeline inner wall spraying robot and control method thereof |
| CN113769918B (en) * | 2021-09-08 | 2022-06-07 | 西安交通大学 | Small-caliber pipeline inner wall spraying robot and control method thereof |
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