CN209953109U

CN209953109U - Pipe fitting inner wall coating spraying device of high suitability

Info

Publication number: CN209953109U
Application number: CN201920547869.6U
Authority: CN
Inventors: 李想
Original assignee: Good And Chemical Co Ltd Of Tianjin Brothers
Current assignee: Good And Chemical Co Ltd Of Tianjin Brothers
Priority date: 2019-04-20
Filing date: 2019-04-20
Publication date: 2020-01-17
Anticipated expiration: 2029-04-20

Abstract

The utility model relates to a high-applicability pipe fitting inner wall coating spraying device, belonging to the technical field of spraying protective layers, which comprises a bracket, a spraying pipe and a coating nozzle, wherein the coating nozzle is connected with one end of the spraying pipe, the other end of the spraying pipe is communicated with a coating spraying machine, a pipe fitting is placed on the bracket, the coating nozzle is positioned inside the pipe fitting, the outside of coating shower nozzle is provided with the support ring, and support ring fixed connection is in the outer wall of coating shower nozzle, and the support ring inlays and is equipped with the roll subassembly, and the roll subassembly includes sliding block, ball and spring, and the sliding block slides along the direction of perpendicular to coating shower nozzle axis in the support ring and removes, and the ball rotates to be connected in the one end that the coating shower nozzle was kept away from to the sliding block, the one end of spring and the external connection of coating shower nozzle, one end and the one end fixed connection that the sliding block is close to the coating shower nozzle, the utility model discloses have the axis that makes the coating shower nozzle and.

Description

Pipe fitting inner wall coating spraying device of high suitability

Technical Field

The utility model belongs to the technical field of the technique of spraying inoxidizing coating and specifically relates to a pipe fitting inner wall coating spraying device of high suitability is related to.

Background

At present, for pipe fittings used in petroleum, chemical industry, electric power and other industries, anticorrosive paint is generally adopted to spray the inner surface of the pipe fittings in order to change the characteristics of the inner surface of the pipe fittings.

The existing Chinese patent with reference to publication No. CN201855779U discloses a coating spraying machine for inner walls of steel pipes, which comprises a trolley, four groups of hollow straight pipes and a coating spray head, wherein the hollow straight pipes are fixed on the trolley and extend forwards, the coating spray head is arranged at the front end of the hollow straight pipe, a coating conveying pipe is arranged in the hollow straight pipe, one end of the coating conveying pipe is communicated with a high-pressure airless coating spraying machine, and the other end of the coating conveying pipe is communicated with the coating spray head.

The above prior art solutions have the following drawbacks: when carrying out the spraying to the pipe fitting inner wall, the coating shower nozzle can with the bottom butt of pipe fitting inner wall, the position that the spraying that makes coating came out is misaligned with the axis of pipe fitting to the inner wall at the pipe fitting is difficult for distributing evenly when making the coating spraying.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a pipe fitting inner wall coating spraying device of the high suitability of the axis coincidence of the axis that makes coating shower nozzle and different pipe diameter pipe fittings.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:

the utility model provides a pipe fitting inner wall coating spraying device of high suitability, includes the support, and spray tube and coating shower nozzle, coating shower nozzle connect in the one end of spray tube, and the other end intercommunication of spray tube has the coating flush coater, has placed the pipe fitting on the support, and the coating shower nozzle is located the inside of pipe fitting, the outside of coating shower nozzle is provided with the support ring, and support ring fixed connection is in the outer wall of coating shower nozzle, and the support ring inlays and is equipped with the roll subassembly, and the roll subassembly includes sliding block, ball and spring, and the sliding block slides along the direction of perpendicular to coating shower nozzle axis in the support ring, and the ball rotates to be connected in the one end that the coating shower nozzle was kept away from to the sliding block, the one end of spring.

By adopting the technical scheme, for the pipe fittings with different pipe diameters, only the sliding block needs to be pressed downwards, the coating spray head can be inserted into the pipe fitting, after the coating spray head is sent into the pipe fitting, the deformation of the spring is recovered, the sliding block is jacked up by the spring, the sliding block moves towards the direction close to the pipe fitting, the ball is driven to abut against the inner wall of the pipe fitting, the axis of the coating spray head is overlapped with the axis of the pipe fitting, even if the coating can be sprayed out at the axis of the pipe fitting, the coating can be uniformly distributed on the inner wall of the pipe fitting, the support of the spring and the sliding block can ensure that the coating spray head can be suitable for the pipe fittings with different pipe diameters in a certain area; when the spraying is carried out, the pipe fitting can move to enable the coating to be sprayed on the inner wall of the pipe fitting, sliding friction between the coating sprayer and the inner wall of the pipe fitting is changed into rolling friction through the ball, and the pipe fitting can move more labor-saving.

The utility model discloses further set up to: the rolling assemblies are arranged at least three, and are uniformly distributed on the outer wall of the coating nozzle.

Through adopting above-mentioned technical scheme, the roll subassembly can play even supporting role to the coating shower nozzle, when having guaranteed that the pipe fitting removes and rotates, the stability of coating shower nozzle and pipe fitting relative position.

The utility model discloses further set up to: the cross section of the support ring passing through the axis of the support ring and being parallel to the axis of the support ring is isosceles trapezoid.

By adopting the technical scheme, the connecting area of one end of the support ring close to the coating spray head and the coating spray head is larger, so that the stability of the connection of the support ring and the coating spray nozzle is improved; along with the removal of pipe fitting, the ball receives the ascending resistance of direction that is on a parallel with the pipe fitting axis, and the ball transmits some resistance for the sliding block, and the sliding block transmits for the support ring, and the cross sectional shape of support ring for in the direction that is on a parallel with the pipe fitting axis, the support ring is difficult for producing the slope, has guaranteed the stability of support ring.

The utility model discloses further set up to: the support ring has been seted up the sliding tray, the size and the spring looks adaptation of sliding tray, and the sliding block slides in the sliding tray.

Through adopting above-mentioned technical scheme, the sliding tray plays the guide effect to spring and sliding block, makes the spring compress and kick-backs along the deformation direction of self only, has guaranteed the accuracy of sliding block slip direction.

The utility model discloses further set up to: the top fixedly connected with of the inner wall of sliding tray is spacing protruding, and the bottom fixedly connected with lug of the outer wall of sliding block.

Through adopting above-mentioned technical scheme, spacing arch carries on spacingly to the lug, and when the coating shower nozzle was taken out from the pipe fitting is inside, the spring can drive the sliding block and remove to the direction of keeping away from the coating shower nozzle, and until the lug is blocked by spacing arch, it can not follow the sliding tray slippage to have guaranteed the sliding block.

The utility model discloses further set up to: the edge of the one end of keeping away from the coating shower nozzle of sliding block is the fillet setting.

Through adopting above-mentioned technical scheme, the edge that makes the sliding block is far away from the inner wall distance of pipe fitting, to the pipe fitting of less pipe diameter, guaranteed the edge of sliding block can not with the inner wall butt of pipe fitting to the stable roll of coating shower nozzle and pipe fitting inner wall has been guaranteed.

The utility model discloses further set up to: and a lubricating layer is arranged on the outer surface of the ball.

Through adopting above-mentioned technical scheme, the frictional force between ball and the coating shower nozzle has been reduced to the lubricant film, makes the rotation between ball and the coating shower nozzle more smooth, and is comparatively smooth and easy when making the pipe fitting driven rotate and remove.

The utility model discloses further set up to: the lubricating layer is made of polytetrafluoroethylene.

By adopting the technical scheme, the polytetrafluoroethylene has the characteristics of acid resistance, alkali resistance and various organic solvents resistance, and can be suitable for spraying of various coatings; the friction coefficient is extremely low, and the paint spray head has high lubrication and non-adhesiveness, so that the friction force between the ball and the paint spray head is small, the movement of the pipe fitting is smooth, and the ball is not easy to adhere to the paint.

To sum up, the utility model discloses a beneficial technological effect does:

1. by arranging the rolling assembly, the coating is uniformly distributed on the inner wall of the pipe fitting, so that the coating nozzle can be suitable for pipe fittings with different pipe diameters in a certain area, and the applicability of the coating nozzle is improved;

2. the stability of the relative position of the coating spray head and the pipe fitting is ensured when the pipe fitting moves and rotates by at least arranging three rolling assemblies which are uniformly distributed on the outer wall of the coating spray head;

3. the edge of the end of the sliding block far away from the coating nozzle is a round angle, so that the edge of the sliding block cannot abut against the inner wall of the pipe fitting, and the sliding between the coating nozzle and the inner wall of the pipe fitting instead of rolling is guaranteed.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a cross-sectional view of the rolling assembly perpendicular to the axis of the paint spray head;

FIG. 3 is a cross-sectional view of the rolling assembly through the axis of the paint spray head;

FIG. 4 is a schematic structural view of the present invention with the pipe members hidden;

figure 5 is a schematic view of the structure of the heating jacket and the support frame.

In the figure, 1, a bracket; 11. a spray pipe; 12. a paint sprayer; 13. a paint sprayer; 14. a limiting pipe; 2. a support ring; 21. a sliding groove; 22. a limiting bulge; 3. a rolling component; 31. a slider; 311. a bump; 32. a ball bearing; 321. a lubricating layer; 33. a spring; 4. a moving assembly; 41. a rotating wheel; 42. a universal joint; 43. a drive motor; 5. heating a jacket; 51. a thermal insulation layer; 52. a fin; 53. a cooling water pipe; 6. a support frame; 61. a chassis; 62. a support pillar; 63. moving the plate; 631. a slip ring; 632. fastening screws; 633. adjusting the lead screw; 634. a fixed block; 635. a bolt; 7. a lifting assembly; 71. an adjustment column; 72. a mating post; 73. adjusting the nut; 731. a handle.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1 and 4, for the utility model discloses a pipe fitting inner wall coating spraying device of high suitability, which comprises a bracket 1, spray tube 11 and coating shower nozzle 12, coating shower nozzle 12 is connected in spray tube 11's one end, spray tube 11's other end intercommunication has coating flush coater 13, the pipe fitting has been placed on the support 1, coating shower nozzle 12 is located the inside of pipe fitting, coating shower nozzle 12's outside is provided with support ring 2, support ring 2 fixed connection is in coating shower nozzle 12's outer wall, support ring 2 crosses self axis and is on a parallel with the cross-section of self axis for isosceles trapezoid, support ring 2 inlays and is equipped with rolling subassembly 3, along the moving direction of pipe fitting, coating shower nozzle 12 the place ahead is provided with the stoving subassembly, the stoving subassembly is located the outside of. The rolling component 3 supports the paint spray head 12, so that the axis of the paint spray head 12 can be basically overlapped with the axis of the pipe fitting, and the uniformity of paint spraying is improved; the rolling component 3 drives the pipe fitting to move and roll simultaneously, so that the coating can be further uniformly distributed on the inner wall of the pipe fitting along with the rotation of the pipe fitting after being sprayed on the inner wall of the pipe fitting; the drying component heats and dries the coating on the inner wall of the pipe fitting, so that the condensation of the coating is accelerated.

Referring to fig. 2 and 3, three rolling assemblies 3 are provided, the rolling assemblies 3 are uniformly distributed on the outer wall of the paint sprayer 12, each rolling assembly 3 comprises a sliding block 31, a ball 32 and a spring 33, the support ring 2 is provided with a sliding groove 21, the sliding block 31 slides in the sliding groove 21, the sliding direction of the sliding block 31 is perpendicular to the axial direction of the paint sprayer 12, the sliding direction of the sliding block 31 passes through the axial direction of the paint sprayer 12, the ball 32 is rotatably connected to one end of the sliding block 31 away from the paint sprayer 12, one end of the spring 33 is connected with the outside of the paint sprayer 12, the other end of the spring 33 is fixedly connected with one end of the sliding block 31 close to the paint sprayer 12, the size of the sliding groove 21 is matched with the spring 33, the top end of the inner wall of the sliding groove 21 is fixedly connected with a limiting protrusion 22, the bottom, avoided sliding block 31 from the sliding tray 21 slippage, the edge of the one end of keeping away from coating shower nozzle 12 of sliding block 31 is the fillet setting, and the outer fixed surface of ball 32 is connected with lubricating layer 321, and lubricating layer 321 is the lubricating layer 321 of polytetrafluoroethylene material. The sliding block 31 is pressed downwards, the coating nozzle 12 can enter the inside of the pipe fitting, then the sliding block 31 is loosened, the spring 33 can drive the sliding block 31 to move upwards, so that the pouring is abutted against the inner wall of the pipe fitting, the rolling assembly 3 plays a role in supporting the coating nozzle 12, the axis of the coating nozzle 12 can be basically coincided with the axis of the pipe fitting, and the spraying position of the coating nozzle 12 is located at the axis of the coating nozzle 12, so that the coating can be sprayed out from the position close to the axis of the pipe fitting, and the coating is more uniformly distributed on the inner wall of the pipe fitting; the support of spring 33 and sliding block 31 makes the pipe fitting that can be applicable to different pipe diameters in certain region of coating shower nozzle 12, has improved the suitability of coating shower nozzle 12.

Referring to fig. 1, the moving assembly 4 includes rotating wheels 41, universal joints 42 and driving motors 43, the bracket 1 is rotatably connected with the rotating wheels 41, each two of the rotating wheels 41 are in one group, two rotating wheels 41 in the same group are respectively arranged on two sides of the pipe, the universal joints 42 are connected between the rotating wheels 41, along the moving direction of the pipe, one rotating wheel 41 at the end of one side of the pipe is connected with the driving motor 43, the universal joints 42 are connected between the driving motor 43 and the rotating wheels 41, the rotating axis of the rotating wheels 41 and the axis of the pipe have an inclination angle of ten degrees to thirty degrees, the rotating wheels 41 in each group have the same rotating direction and are staggered in the direction parallel to the axis of the pipe, the bracket 1 is fixedly connected with a vertical limiting pipe 14, the top end of the limiting pipe 14 is in a concave arc shape, the limiting pipe 14 plays a supporting and limiting role on the pipe, so that the pipe is driven by the rotating wheels 41, the two sides of the pipe fitting are limited by the limiting pipes 14, so that the pipe fitting is not easy to directly shift from the two sides of the pipe fitting, and the pipe fitting is not easy to slip off from the rotating wheel 41. After the pipe fitting is placed between each group of rotating wheels 41 and the top end position of the limiting pipe 14, the driving motor 43 is started, the driving motor 43 drives the universal joint 42 to rotate, the universal joint 42 drives the rotating wheels 41 to rotate, the rotating wheels 41 drive the pipe fitting to rotate and move, so that the coating in the pipe fitting is further uniformly distributed on the inner wall of the pipe fitting along with the rotation of the pipe fitting, and the spraying uniformity is improved.

Referring to fig. 4 and 5, the drying assembly includes a heating jacket 5 and a supporting frame 6, the heating jacket 5 is connected with a power supply (not shown in the figure), the heating jacket 5 is connected on the supporting frame 6, the heating jacket 5 is in a circular tube shape with two open ends, the outer surface of the pipe fitting is sleeved with the heating jacket 5, the external part of the heating jacket 5 is fixedly connected with spiral fins 52, spiral cooling water pipes 53 are arranged between the fins 52, a heat insulation layer 51 is arranged on the external part of the heating jacket 5, the heat insulation layer 51 is positioned on the external part of the fins 52, the distance between the paint sprayer 12 and the drying assembly is ten to thirty centimeters, and the drying assembly is positioned in front of the paint sprayer 12 along the direction of. After the coating is sprayed on the inner wall of the pipe fitting, the pipe fitting is driven by the rotating wheel 41 to rotate and move, so that the coating further disperses on the inner wall of the pipe fitting and then reaches the heating sleeve 5, the uniformity of the coating formed by the coating is ensured, the heating sleeve 5 heats the pipe fitting, the temperature of the pipe fitting rises, the coating on the inner wall of the pipe fitting is dried, and the setting time of the coating is shortened.

Referring to fig. 5, the supporting frame 6 includes a bottom frame 61, a supporting column 62 and a moving plate 63, the supporting column 62 is vertically and fixedly connected to the bottom frame 61, a sliding ring 631 is fixedly connected to a corner of the moving plate 63, the sliding ring 631 is sleeved outside the supporting column 62, and is slidably connected with the supporting column 62, the sliding ring 631 is threadedly connected with a fastening screw 632, the end of the fastening screw 632 abuts against the supporting column 62, the upper surface of the moving plate 63 is connected with a fixed block 634, the fixed blocks 634 are respectively arranged at two sides of the heating jacket 5, the heating sleeve 5 is tightly abutted, a bolt 635 is connected between the fixed block 634 and the moving plate 63, the bolt 635 vertically penetrates through the moving plate 63 and the fixed block 634, the fixed block 634 fixes the heating sleeve 5 on the upper surface of the moving plate 63, the moving plate 63 is provided with a groove perpendicular to the pipe fitting, and the bolt 635 can move in the groove, so that the fixed block 634 can fix the heating sleeves 5 with different pipe diameters; the sliding ring 631 is in threaded connection with an adjusting lead screw 633, the end of the adjusting lead screw 633 abuts against the fixed block 634, and the rotation axis of the adjusting lead screw 633 is perpendicular to the axis of the pipe fitting. The fastening screw 632 is unscrewed, the sliding ring 631 and the support column 62 can slide up and down, so that the sliding plate can drive the moving plate 63 to move up and down, the height of the moving plate 63 can be adjusted for pipe fittings with different pipe diameters, the pipe fittings can penetrate through the heating sleeve 5, the axis of each pipe fitting can be coincided with the axis of the heating sleeve 5, the distance from the outer wall of each pipe fitting to the inner wall of the heating sleeve 5 is basically equal, the heat of the heating sleeve 5 borne by the outer wall of each pipe fitting is similar, and the uniformity of heating of the coating on the inner wall of each pipe fitting by the heating sleeve; when fixing heating jacket 5, place fixed block 634 behind heating jacket 5's outer wall, rotate and adjust lead screw 633, adjust lead screw 633 and adjust fixed block 634 and heating jacket 5, make the axis of heating jacket 5 can coincide with the axis of pipe fitting, and spacing fixed block 634 and heating jacket 5, make the position of fixed block 634 and heating jacket 5 comparatively stable, fix fixed block 634 again, also make fixed block 634 by the difficult aversion of fixed in-process.

Referring to fig. 5, lifting unit 7 includes adjusting column 71, cooperation post 72 and adjusting nut 73, adjusting column 71 and the equal vertical setting of cooperation post 72, adjust post 71 fixed connection in the lower surface of movable plate 63, cooperation post 72 fixed connection is in the upper surface of chassis 61, cooperation post 72 cover is located the outside of adjusting column 71 and is with adjusting column 71 upper and lower sliding connection, adjusting nut 73 cover is located the outside of cooperation post 72, and adjusting nut 73 rotates and connects in the top of cooperation post 72, adjusting nut 73 and the threaded connection of adjusting column 71, adjusting nut 73's outside fixed connection has horizontally handle 731, handle 731 sets up two, and two handle 731 sets up relatively. After the fastening screw 632 is loosened, the handle 731 is rotated, the handle 731 drives the adjusting nut 73 to rotate, the adjusting nut 73 rotates to drive the adjusting column 71 to move up and down, and the adjusting column 71 drives the moving plate 63 to move up and down, so that the up and down movement of the adjusting moving plate 63 is facilitated.

The implementation principle of the embodiment is as follows: when spraying is carried out, the pipe fitting is firstly placed between the rotating wheels 41, namely the limiting pipe 14, then the fastening screw 632 is unscrewed according to the pipe diameter, the handle 731 is rotated, the handle 731 drives the adjusting nut 73 to rotate, the adjusting nut 73 and the adjusting column 71 rotate relatively, so that the adjusting column 71 gradually ascends or descends, the adjusting column 71 drives the sliding ring 631 to ascend or descend, the sliding ring 631 drives the moving plate 63 to ascend or descend until the axis of the pipe fitting coincides with the axis of the heating sleeve 5, the rotation of the handle 731 is stopped, the fastening screw 632 is screwed, and the moving plate 63 and the supporting column 62 are relatively fixed.

After the slide block 31 is pressed down to prevent the paint sprayer 12 from being inserted into the pipe, the slide block 31 is released, the spring 33 springs up the slide block 31 until the balls 32 abut against the inner wall of the pipe, and at this time, the axis of the paint spray head 12 substantially coincides with the axis of the pipe, and the position of spraying the paint is at the axis of the paint spray head 12, namely, the coating can be sprayed out at the axis of the pipe fitting, thereby being beneficial to the uniform distribution of the coating on the inner wall of the pipe fitting, and enabling the coating nozzle 12 to be suitable for the pipe fittings with different pipe diameters, then the paint spray head 12 is moved until the paint spray head 12 drives the spray pipe 11 to reach the other end of the pipe fitting, the paint spray head 12 is placed at a position which is 5 to thirty centimeters away from the heating jacket, and in the moving direction of the pipe fitting, the coating nozzle 12 is positioned behind the heating jacket 5 to fix the spray pipe 11, so that the spray pipe 11 cannot be driven by the pipe fitting to move.

The coating spraying machine 13 is opened, the driving motor 43 is started, the driving motor 43 drives the universal joint 42 to rotate, the universal joint 42 drives the rotating wheel 41 to rotate, the rotating wheel 41 drives the pipe fitting to rotate and move, meanwhile, the coating is sprayed out from the coating spraying nozzle 12, along with the rotation of the pipe fitting, the coating is further uniformly distributed on the inner wall of the pipe fitting, and the uniformity of the coating on the inner wall of the pipe fitting is further improved.

After the inner wall of the pipe fitting is sprayed with the coating, the inner wall of the pipe fitting is driven by the rotating wheel 41 to rotate and move for a distance, the pipe fitting with the coating sprayed on the inner wall reaches the heating sleeve 5, the pipe fitting is heated in the heating sleeve 5, the condensation of the coating is accelerated, and after the pipe fitting is not rotated, the phenomenon that the coating flows to cause the uneven thickness of the coating due to the fact that the coating is not solidified is avoided.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a pipe fitting inner wall coating spraying device of high suitability, includes support (1), spray tube (11) and coating shower nozzle (12), and coating shower nozzle (12) are connected in the one end of spray tube (11), and the other end intercommunication of spray tube (11) has coating flush coater (13), has placed the pipe fitting on support (1), and coating shower nozzle (12) are located the inside of pipe fitting, its characterized in that: the outside of coating shower nozzle (12) is provided with support ring (2), support ring (2) fixed connection is in the outer wall of coating shower nozzle (12), support ring (2) inlay and are equipped with rolling subassembly (3), rolling subassembly (3) include sliding block (31), ball (32) and spring (33), sliding block (31) are along the direction sliding movement of perpendicular to coating shower nozzle (12) axis in support ring (2), ball (32) rotate to be connected in sliding block (31) keep away from the one end of coating shower nozzle (12), the one end of spring (33) and the external connection of coating shower nozzle (12), one end and sliding block (31) are close to the one end fixed connection of coating shower nozzle (12).

2. The high-applicability pipe inner wall paint spraying device according to claim 1, wherein: the number of the rolling assemblies (3) is at least three, and the rolling assemblies (3) are uniformly distributed on the outer wall of the coating sprayer (12).

3. The high-applicability pipe inner wall paint spraying device according to claim 1, wherein: the cross section of the support ring (2) passing through the axis of the support ring and being parallel to the axis of the support ring is isosceles trapezoid.

4. The high-applicability pipe inner wall paint spraying device according to claim 1, wherein: the support ring (2) is provided with a sliding groove (21), the size of the sliding groove (21) is matched with the spring (33), and the sliding block (31) slides in the sliding groove (21).

5. The high-applicability pipe inner wall paint spraying device according to claim 4, wherein: the top end of the inner wall of the sliding groove (21) is fixedly connected with a limiting bulge (22), and the bottom end of the outer wall of the sliding block (31) is fixedly connected with a lug (311).

6. The high-applicability pipe inner wall paint spraying device according to claim 1, wherein: the edge of one end, far away from the coating nozzle (12), of the sliding block (31) is arranged in a round angle mode.

7. The high-applicability pipe inner wall paint spraying device according to claim 1, wherein: the outer surface of the ball (32) is provided with a lubricating layer (321).

8. The high-applicability pipe inner wall paint spraying device according to claim 7, wherein: the lubricating layer (321) is made of polytetrafluoroethylene.