CN214077422U

CN214077422U - Painting device for inner layer of cast pipe

Info

Publication number: CN214077422U
Application number: CN202022839237.2U
Authority: CN
Inventors: 焦占博; 焦树怀
Original assignee: Zhuozhou Sanyi Casting Co ltd
Current assignee: Zhuozhou Sanyi Casting Co ltd
Priority date: 2020-11-30
Filing date: 2020-11-30
Publication date: 2021-08-31
Anticipated expiration: 2030-11-30

Abstract

The utility model provides a painting device for the inner layer of a cast tube, which relates to the technical field of cast tube spraying equipment and comprises two bearing roller sets, a frame, a spraying tube and a painting component, wherein the frame is arranged outside the end parts of the bearing roller sets; the spraying pipe is connected to the rack in a sliding manner, and a first nozzle is arranged on the periphery of the spraying pipe; the brushing assembly is arranged on the periphery of the end part of the spraying pipe far away from the frame. The utility model provides a painting device for casting intraductal layer, utilize the bearing roller set to carry out the bearing respectively to the both ends of casting the pipe, and it is rotatory around the axle center to drive the casting pipe, the spraying pipe stretches into the inside of casting the pipe, utilize first nozzle to carry out the spraying of paint to the inner wall of casting the pipe, apply paint the outer end that the subassembly is located the spraying pipe with a brush, the effect of applying paint evenly distributed will paint on the inner wall of casting the pipe through applying paint the subassembly with a brush, it is more even to make the paint layer on the casting pipe inner wall, the device utilizes the rotatory relative motion who realizes brush and casting the pipe of casting the pipe, the action process has been simplified, the structure that makes the device is more simple.

Description

Painting device for inner layer of cast pipe

Technical Field

The utility model belongs to the technical field of cast tube spraying equipment, more specifically say, relate to a painting device for cast tube inlayer.

Background

The cast pipe is widely applied to occasions of water transportation, gas transportation, oil transportation and the like, and the cast pipe plays an extremely important role in large-scale development projects such as south-to-north water transfer, west-to-east gas transportation and the like. In the gas or liquid transportation, paint is often sprayed on the inner wall of the casting pipe to avoid corrosion to the inner wall of the casting pipe. The existing painting methods either use manual work or spray paint onto the inner wall of the cast tube using a rotating pipe. Because cast pipe length is great, the above-mentioned operation degree of difficulty that adopts artifical coating is great, and utilizes rotatory long spray tube to carry out the spraying then need set up comparatively complicated structure, because both will make long spray tube have the leakproofness when carrying paint, will make long spray tube can smoothly rotate in the spraying again, so the above-mentioned structural design degree of difficulty is big, and the spraying homogeneity is relatively poor, has influenced the effective transport of the follow-up material of cast pipe.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a painting device for cast tube inlayer to the cast tube inner wall spraying structure that exists is complicated among the solution prior art, and the poor technical problem of spraying homogeneity.

In order to achieve the above object, the utility model adopts the following technical scheme: the painting device for the inner layer of the cast tube comprises two bearing roller sets, a rack, a painting tube and a painting component, wherein the two bearing roller sets are respectively used for bearing two ends of the cast tube and driving the cast tube to rotate; the frame is arranged at the outer side of the end part of the bearing roller group; the spraying pipe is connected to the rack in a sliding mode and used for extending into the casting pipe, a cavity of the spraying pipe is used for containing paint, and a first nozzle used for spraying the inner wall of the casting pipe is arranged on the periphery of the spraying pipe; the brushing assembly is arranged on the periphery of the end part of the spraying pipe far away from the frame and used for brushing the inner wall of the casting pipe.

As another embodiment of the present application, the brush assembly includes a plurality of brushes spaced around the circumference of the spray tube.

In another embodiment of the present application, the opening direction of the first nozzle is inclined to the side away from the frame.

As another embodiment of this application, still be equipped with the lead screw driving piece that is used for driving the spray tube to remove in the frame, the screw of lead screw driving piece and the tip rigid coupling of spray tube are equipped with the bearing ring seat that is used for the middle part of bearing spray tube in the frame, and spray tube and bearing ring seat sliding connection on the horizontal direction.

As another embodiment of this application, still be equipped with the waterproof lacquer pipe along the axial extension of spray tube on the outer wall of spray tube, the one end that the frame was kept away from to waterproof lacquer pipe is equipped with around the circumference pipe of establishing in the spray tube periphery, is equipped with a plurality of second nozzle on the circumference pipe.

As another embodiment of the application, the second nozzles are arranged on the circumferential pipe at intervals, the intervals among the second nozzles are equal, and the opening directions of the second nozzles are obliquely arranged towards one side close to the first nozzle.

As another embodiment of this application, the frame is equipped with two, and is located the outside of two bearing roller sets respectively, and the spray coating pipe also is equipped with two, rotates respectively to be connected in two frames.

As another embodiment of the application, two ends of the bearing roller group are respectively provided with a limiting baffle roller for limiting the axial position of the cast tube, and a main shaft of the limiting baffle roller extends along the vertical direction and is used for being matched with the outer end of the cast tube in a rolling manner.

As another embodiment of this application, the below of spacing fender roller is provided with along the lift of upper and lower direction extension, and the lower extreme of lift links to each other with ground.

As another embodiment of the application, the supporting roller group comprises two supporting rollers which are respectively positioned at two sides below the casting pipe, wherein one of the supporting rollers is connected with a driving motor.

The utility model provides a painting device for cast tube inlayer's beneficial effect lies in: compared with the prior art, the utility model provides a painting device for casting intraductal layer, utilize the bearing roller set to carry out the bearing respectively to the both ends of casting the pipe, and it is rotatory around the axle center to drive the casting pipe, the spray tube stretches into the inside of casting the pipe, utilize first nozzle to carry out the spraying of paint to the inner wall of casting the pipe, apply paint the outer end that the subassembly is located the spray tube with a brush, the effect of applying paint with a brush through applying paint the subassembly with a brush will paint evenly distributed on the inner wall of casting the pipe, it is more even to make the paint layer on the casting pipe inner wall, reach comprehensive anticorrosive effect, the device utilizes the rotatory relative motion of realizing brush and casting the pipe of casting the pipe, the action process has been simplified, the structure that makes the device is more simple, help reducing equipment cost.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive labor.

Fig. 1 is a schematic top sectional structural view of a first embodiment of a painting device for an inner layer of a cast pipe according to an embodiment of the present invention;

FIG. 2 is a schematic view of a partial enlarged structure of I in FIG. 1;

fig. 3 is a schematic top cross-sectional structural view of a second embodiment of a painting apparatus for an inner layer of a cast pipe according to an embodiment of the present invention;

FIG. 4 is a front view of a portion of the structure of the tube, the set of support rolls, the set of stop rolls, and the elevator shown in FIG. 3.

Wherein, in the figures, the respective reference numerals:

1. a bearing roller set; 11. a carrier roller; 12. a drive motor; 2. a frame; 21. a lead screw drive; 22. a bearing ring seat; 3. a spray pipe; 4. brushing the component; 41. a first nozzle; 42. a brush; 51. limiting and blocking rollers; 52. a lifting member; 6. a waterproof paint pipe; 61. a circumferential tube; 62. a second nozzle; 7. and (5) casting the pipe.

Detailed Description

In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

It will be understood that when an element is referred to as being "disposed on" another element, it can be directly on the other element or be indirectly on the other element. It is to be understood that the terms "length," "width," "upper," "lower," "front," "rear," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the invention. The terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

Referring to fig. 1 to 4 together, a painting apparatus for an inner layer of a cast tube according to the present invention will now be described. The painting device for the inner layer of the cast tube comprises two bearing roller sets 1, a frame 2, a spraying tube 3 and a painting component 4, wherein the two bearing roller sets 1 are respectively used for bearing two ends of a cast tube 7 and driving the cast tube 7 to rotate; the frame 2 is arranged at the outer side of the end part of the bearing roller group 1; the spraying pipe 3 is connected to the frame 2 in a sliding manner and is used for extending into the casting pipe 7, the cavity of the spraying pipe 3 is used for containing paint, and the periphery of the spraying pipe 3 is provided with a first nozzle 41 for spraying the inner wall of the casting pipe 7; the painting assembly 4 is arranged on the periphery of the end part of the spraying pipe 3 far away from the frame 2 and is used for painting the inner wall of the casting pipe 7.

The utility model provides a pair of a painting device for casting intraductal, compared with the prior art, the utility model provides a painting device for casting intraductal, utilize bearing roller set 1 to carry out the bearing respectively to the both ends of casting pipe 7, and it is rotatory around the axle center to drive casting pipe 7, spray pipe 3 stretches into the inside of casting pipe 7, utilize first nozzle 41 to carry out the spraying of paint to the inner wall of casting pipe 7, apply paint subassembly 4 with a brush and be located spray pipe 3's outer end, act on with a brush will paint evenly distributed on the inner wall of casting pipe 7 through applying paint subassembly 4 with a brush, it is more even to make the paint layer on the inner wall of casting pipe 7, reach comprehensive anticorrosive effect, the device utilizes the relative motion of the rotatory brush that realizes 42 and casting pipe 7 of casting pipe 7, the action process is simplified, the structure that makes the device is more simple, help reducing equipment cost.

As a specific implementation manner of the embodiment of the present invention, please refer to fig. 1 to 3, the brushing assembly 4 includes a plurality of brushes 42 arranged at intervals around the spraying pipe 3.

In this embodiment, the brushing assembly 4 is disposed at the outer end of the spraying pipe 3, and the paint sprayed from the first nozzle 41 is uniformly brushed by the plurality of brushes 42. Because the bearing roller group 1 can drive the cast tube 7 to rotate, even if the position of the brush 42 is fixed, the brush can rotate relative to the inner wall of the cast tube 7, so that the circumferential brushing of the paint layer is realized, and the uniform distribution of the paint layer is realized.

Further, the opening direction of first nozzle 41 sets up to deviating from frame 2 one side slope, namely to the one side slope that is close to brush 42, can directly brush with a brush through brush 42 after the paint spraying of being convenient for, realizes the evenly distributed of paint layer.

As a specific implementation manner of the embodiment of the present invention, please refer to fig. 1, fig. 3 and fig. 4, the frame 2 is further provided with a screw driving member 21 for driving the spraying pipe 3 to move, the screw of the screw driving member 21 is fixedly connected to the end of the spraying pipe 3, the frame 2 is provided with a bearing ring seat 22 for bearing the middle part of the spraying pipe 3, and the spraying pipe 3 is slidably connected to the bearing ring seat 22 in the horizontal direction.

In this embodiment, because the axial displacement of the spray pipe 3 is relatively large, in order to increase the axial stroke distance of the spray pipe 3, the screw driving member 21 is utilized to drive the spray pipe 3 to move, so as to cover the inner walls of the cast pipe 7 at different axial positions, and thus the paint spraying is more uniform and ordered.

As a specific implementation manner of the embodiment of the present invention, please refer to fig. 1 to 3, the outer wall of the spraying pipe 3 is further provided with a waterproof paint pipe 6 extending along the axial direction of the spraying pipe 3, one end of the waterproof paint pipe 6 away from the frame 2 is provided with a circumferential pipe 61 around the periphery of the spraying pipe 3, and the circumferential pipe 61 is provided with a plurality of second nozzles 62.

In this embodiment, waterproof paint is held in waterproof paint pipe 6 inside, with waterproof paint spraying in the outside of the paint layer of cast tube 7, is convenient for realize cast tube 7's waterproof performance, avoids cast tube 7's corruption, and then prolongs cast tube 7's life.

One end of the waterproof paint pipe 6 close to the painting component 4 is provided with a circumferential pipe 61, and the second nozzle 62 is arranged on the circumferential pipe 61, so that the problem that the circumferential inner wall of the cast pipe 7 is difficult to cover due to the influence of the spraying pipe 3 on the second nozzle 62 in the spraying process is avoided.

When spraying, firstly, the spraying pipe 3 extends to the deepest part of the casting pipe 7, namely, the farthest part of the spraying pipe 3 to be sprayed, then the spraying pipe 3 is opened, the first nozzle 41 is used for spraying paint on the inner wall of the casting pipe 7, meanwhile, the spraying pipe 3 is moved outwards at a constant speed, the paint is coated on the inner wall of the casting pipe 7 under the rotation action of the casting pipe 7, and meanwhile, the paint is uniformly distributed by the hairbrush 42 until the spraying pipe 3 is drawn out of the casting pipe 7.

Then, the spraying pipe 3 is extended to the deepest part of the casting pipe 7, namely the farthest part of the spraying pipe 3 needing spraying, then the waterproof paint pipe 6 is opened, paint is sprayed on the inner wall of the casting pipe 7 by using the second nozzle 62, the spraying pipe 3 is moved outwards at a constant speed, the waterproof paint is coated on the inner wall of the casting pipe 7 by matching the rotating action of the casting pipe 7 and the outward moving action of the spraying pipe 3, and the waterproof paint is uniformly distributed by using the brush 42 until the spraying pipe 3 is pulled out of the casting pipe 7.

As a specific implementation manner of the embodiment of the present invention, please refer to fig. 1 to 3, the second nozzles 62 are arranged in the direction of the circumferential pipe 61 at intervals, the distance between the second nozzles 62 is equal, and the opening direction of the second nozzles 62 is inclined toward a side close to the first nozzle 41. The uniform arrangement of the second nozzles 62 can realize effective circumferential coverage of the inner wall of the casting pipe 7, and realize uniform coating of the waterproof paint.

As a specific implementation manner of the embodiment of the present invention, please refer to fig. 3 to 4, two frames 2 are provided, and are respectively located at the outer sides of the two bearing roller sets 1, and two spraying pipes 3 are also provided, and are respectively rotatably connected to the two frames 2.

In this embodiment, there are two racks 2, and likewise, there are two spray pipes 3, each for extending into the casting pipe 7 from both ends of the casting pipe 7. When spraying is performed, the two spray pipes 3 are simultaneously operated and fed into the casting pipe 7 at the same speed to improve the efficiency of spraying the casting pipe 7, thereby improving the yield of the casting pipe 7.

The two spray pipes 3 are symmetrically arranged at two ends of the cast pipe 7, and the two spray pipes 3 move to the connected position towards the adjacent side to brush the inner wall of the whole cast pipe 7.

As a specific implementation manner of the embodiment of the present invention, please refer to fig. 1 and fig. 4, the two ends of the bearing roller set 1 are respectively provided with a limiting blocking roller 51 for limiting the axial position of the cast pipe 7, and the main shaft of the limiting blocking roller 51 extends along the up-down direction for being in rolling fit with the outer end of the cast pipe 7.

In this embodiment, the two limiting stop rollers 51 are respectively disposed at the shaft ends of the casting tube 7, so as to prevent the casting tube 7 from moving axially during the rotation process, thereby preventing the influence on the internal spraying effect. The main shaft of the limiting baffle roller 51 extends along the up-down direction and can be in rolling fit with the end surface of the cast tube 7, so that the friction force between the cast tube 7 and the limiting baffle roller 51 is reduced, and the end part of the cast tube 7 is prevented from being damaged.

As a specific implementation manner of the embodiment of the present invention, please refer to fig. 1 and 4, a lifting member 52 extending in the up-down direction is disposed below the limiting stop roller 51, and the lower end of the lifting member 52 is connected to the ground. The lifting piece 52 can be arranged to perform corresponding lifting actions according to different processes of feeding and spraying the casting pipe 7. When transferring cast tube 7 to bearing roller set 1, lifter 52 is in the shrink state, avoids the interference to cast tube 7 displacement, and when cast tube 7 rotates on bearing roller set 1 and is in the spraying state, lifter 52 is in the rising state, can carry out effectual injeciton to the axial position of cast tube 7.

As a specific implementation manner of the embodiment of the present invention, please refer to fig. 1, fig. 3 and fig. 4, the supporting roller set 1 includes two supporting rollers 11 respectively located at two sides below the casting pipe 7, and one of the supporting rollers 11 is connected with a driving motor 12.

In this embodiment, bearing roller set 1 utilizes the bearing roller 11 of below both sides to bear the outer wall of the lateral part below of cast tube 7, and the driving motor 12 of setting on one of them bearing roller 11 can drive bearing roller 11 rotatory, and then realizes driving the rotatory effect of cast tube 7, at spraying pipe 3, waterproof paint pipe 6 and apply paint subassembly 4 with a brush and not take place circumferential direction's prerequisite under, also can realize taking place relative motion with cast tube 7 inner wall to improve later stage paint or waterproof paint and apply paint the homogeneity of applying paint with a brush.

The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. Painting apparatus for the inner layer of a cast tube, comprising:

the two bearing roller sets are respectively used for bearing two ends of the cast tube and driving the cast tube to rotate;

the frame is arranged on the outer side of the end part of the bearing roller group;

the spraying pipe is connected to the rack in a sliding mode and used for extending into the casting pipe, a cavity of the spraying pipe is used for containing paint, and a first nozzle used for spraying the inner wall of the casting pipe is arranged on the periphery of the spraying pipe; and

and the brushing component is arranged on the periphery of the end part of the spraying pipe far away from the rack and is used for brushing the inner wall of the casting pipe.

2. The painting apparatus for the internal layer of cast tubes according to claim 1, characterized in that said painting assembly comprises a plurality of brushes spaced around the periphery of said painting tube.

3. The painting apparatus for an inner layer of a cast pipe according to claim 2, wherein an opening direction of the first nozzle is inclined to a side away from the frame.

4. The painting device for the inner layer of the cast tube as claimed in claim 1, wherein the frame is further provided with a screw driving member for driving the spray tube to move, a nut of the screw driving member is fixedly connected with an end portion of the spray tube, the frame is provided with a supporting ring seat for supporting the middle portion of the spray tube, and the spray tube is connected with the supporting ring seat in a sliding manner in the horizontal direction.

5. The painting apparatus for an inner layer of a cast tube according to claim 1, wherein a waterproof paint pipe extending in an axial direction of the paint pipe is further provided on an outer wall of the paint pipe, an end of the waterproof paint pipe remote from the frame is provided with a circumferential pipe around an outer periphery of the paint pipe, and the circumferential pipe is provided with a plurality of second nozzles.

6. The painting apparatus for an inner layer of a cast pipe as recited in claim 5, wherein said second nozzles are provided in plural at intervals in the direction of the circumferential pipe, the plural second nozzles are equally spaced, and the opening directions of said second nozzles are inclined toward a side close to said first nozzle.

7. Painting installation for the internal layer of cast tubes, as in any one of claims 1 to 6, characterized in that said frames are provided with two and respectively outside said two sets of support rollers, and in that said painting tubes are also provided with two and respectively rotatably connected to said two frames.

8. The painting apparatus for an inner layer of cast tubes according to any one of claims 1 to 6, wherein both ends of the set of backup rolls are respectively provided with a stopper roller for stopping the axial position of the cast tubes, and main shafts of the stopper rollers extend in the up-down direction for rolling engagement with the outer ends of the cast tubes.

9. The painting apparatus for an inner layer of a cast tube as recited in claim 8, wherein a lifter extending in an up-and-down direction is provided below the stopper roller, and a lower end of the lifter is connected to a ground.

10. The painting apparatus for the inner layer of the cast tube according to any one of claims 1 to 6, wherein the set of backup rolls includes two idlers located on both sides below the cast tube, respectively, and one of the idlers is connected with a driving motor.