Polyurethane spraying equipment for thermal insulation pipe processing

Abstract

The utility model relates to the technical field of thermal insulation pipe production, and discloses a polyurethane spraying device for thermal insulation pipe processing, which comprises stand columns, a top plate fixedly connected between the tops of the two stand columns, a mixing box fixedly connected to the top of the top plate, an open groove formed in the top of the mixing box, fixing columns arranged on the two sides of the open groove, and a spraying device arranged on the top of the mixing box. Sliding grooves are formed in the adjacent sides of the two fixing columns, a sliding plate is slidably connected between the two sliding grooves, a first motor is fixedly connected to the top of the sliding plate, and the output end of the first motor penetrates through the sliding plate and is fixedly connected with a stirring rod. According to the coating spraying device, the stand column, the mounting frame, the air heater, the motor, the limiting disc, the limiting column, the flow dividing pipe and the spraying head work in a matched mode, the two driving assemblies can drive the limiting disc to be matched with the limiting column to fix the two sides of the heat preservation pipe, meanwhile, the second motor is matched to drive the fixed heat preservation pipe to rotate at a constant speed, and coating can be sprayed more evenly.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of heat preservation pipe production equipment, and specifically relates to a polyurethane spraying equipment for heat preservation pipe processing. BACKGROUND

[0002] The heat preservation steel pipe is a steel pipe with heat preservation and insulation effect after heat preservation process processing. The heat preservation pipe is widely used in liquid and gas conveying pipe network, chemical pipe heat preservation engineering, petroleum, chemical industry, central heating heat network, central air conditioning ventilation pipe, municipal engineering and the like. In the production process of the heat preservation steel pipe, a spraying device needs to be used to spray polyurethane paint on the surface of the steel pipe.

[0003] The viscosity of the polyurethane paint is significantly affected by temperature. At a lower temperature, the viscosity of the paint is usually higher, and the flowability is poor. The existing spraying equipment cannot heat and stir the paint in the paint tank, thereby causing uneven mixing of the paint and affecting the spraying effect.

[0004] In view of the above problems, a polyurethane spraying equipment for heat preservation pipe processing is provided. UTILITY MODEL CONTENTS

[0005] The utility model discloses a polyurethane spraying equipment for heat preservation pipe processing, which solves the problem that the existing spraying equipment in the background art cannot heat and stir the paint in the paint tank, thereby causing uneven mixing of the paint and affecting the spraying effect.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a polyurethane spraying equipment for heat preservation pipe processing, comprising a stand, two top portions of the stand are fixedly connected with a top plate, the top plate is fixedly connected with a mixing box at the top, the mixing box is provided with a slot at the top, the two sides of the slot are provided with fixed columns, the adjacent sides of the two fixed columns are provided with sliding grooves, a sliding plate is slidably connected between the two sliding grooves, the top of the sliding plate is fixedly connected with a first motor, a stirring rod is fixedly connected to the output end of the first motor and penetrates through the sliding plate, a plurality of stirring blades are fixedly connected to the lower part of the outer ring of the stirring rod, electric heating plates are arranged on the inner walls of the two sides of the mixing box, a gear is fixedly connected to the upper part of the outer ring of the stirring rod, a pump body is arranged on the right side of the mixing box, conveying pipes are fixedly connected to the left and right sides of the pump body, a shunt pipe is fixedly connected to the bottom of the top plate, a plurality of spray heads are arranged on the outer ring of the shunt pipe, drive assemblies are arranged in the middle of the two stands, mounting racks are fixedly connected to the rear sides of the two stands, and two air heaters are fixedly connected to the inner side of the mounting rack.

[0007] By adopting the technical scheme, the motor drives the stirring rod and stirring blade to rotate to stir the polyurethane paint in the mixing box, so that the paint is uniformly mixed, meanwhile, the gear above the stirring rod also rotates, the gear is engaged with the rack on the front side of the rear fixed column, so that the sliding plate slides left and right along the sliding groove, and then drives the stirring rod and its accessory components to move horizontally in the mixing box, further expanding the stirring range, making the raw material mixing more thorough, and ensuring the consistency of the subsequent spraying quality.

[0008] As a further description of the above technical scheme: the driving assembly comprises a hydraulic cylinder, the hydraulic cylinder penetrates and is fixedly connected with the column, the output end of the hydraulic cylinder is fixedly connected with a second motor, the output end of the second motor is fixedly connected with a limiting disc, and the outer side of the limiting disc is fixedly connected with a limiting column.

[0009] By adopting the technical scheme, the two driving assemblies can drive the limiting disc to cooperate with the limiting column to fix the heat preservation pipe on both sides, and the second motor can drive the fixed heat preservation pipe to rotate at a constant speed, so that the paint can be sprayed more uniformly.

[0010] As a further description of the above technical scheme: the front side of the rear fixed column is fixedly connected with a rack, and the rack is engaged with the gear.

[0011] By adopting the technical scheme, the effect of transmission is achieved, and the gear can move along the rack conveniently.

[0012] As a further description of the above technical scheme: the outer side of each of the two fixed columns is provided with a shell, and the bottom of the shell is fixedly connected with the top of the mixing box.

[0013] By adopting the technical scheme, the shell can seal the slot.

[0014] As a further description of the above technical scheme: the left end of the conveying pipe is fixedly connected with the mixing box, and the right end of the conveying pipe penetrates the top plate and is fixedly connected with the flow divider.

[0015] By adopting the technical scheme, the conveying pipe is used to convey the paint drawn out.

[0016] As a further description of the above technical scheme: the two fixed columns are fixedly connected with the mixing box.

[0017] By adopting the technical scheme, the stability of the fixed column is ensured.

[0018] As a further description of the above technical scheme: a receiving box is arranged between the two columns.

[0019] By adopting the technical scheme, the paint dripping can be collected.

[0020] Compared with the prior art, the utility model have the advantages that:

[0021] 1, the utility model provides a kind of polyurethane spraying equipment of thermal insulation pipe processing, first pass through mixing box, slot, fixed column, sliding slot, sliding plate, first motor, stirring rod, stirring vane, electric hot plate, gear, rack mutual cooperation work, motor drives stirring rod, stirring vane rotation is stirred to polyurethane coating in mixing box, make it mix evenly, gear also rotates simultaneously above stirring rod, because gear is engaged with the rack of the front side of rear fixed column, so that sliding plate is slid along sliding slot left and right, and further drive stirring rod and its accessory components do transverse movement in mixing box, further expand stirring range, let coating mix more thoroughly, guarantee the consistency of subsequent spraying quality, cooperate electric hot plate can heat coating in mixing box.Suitable temperature can reduce coating viscosity, make its fluidity better, not only beneficial to stirring uniformity, also lay the foundation for subsequent smooth spraying.

[0022] 2, the utility model provides a kind of polyurethane spraying equipment of thermal insulation pipe processing, pass through stand, mounting bracket, hot air machine, hydraulic cylinder, motor, limit disc, limit column, shunt pipe and spray head mutual cooperation work, pass through two drive assemblies can drive limit disc to cooperate limit column and fix both sides of thermal insulation pipe, can also drive fixed thermal insulation pipe uniform speed rotation with the cooperation of second motor, so that coating can be sprayed more evenly, and cooperate hot air machine can accelerate the drying solidification speed of polyurethane coating that spraying is on the surface of thermal insulation pipe, shorten processing cycle. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 It is whole structure schematic view of the utility model;

[0024] Figure 2 It is the mixing box sectional view of the utility model;

[0025] Figure 3 It is drive assembly structure schematic view of the utility model.

[0026] In the drawing: 1, stand;2, top plate;3, mixing box;4, slot;5, fixed column;6, sliding slot;7, sliding plate;8, first motor;9, stirring rod;10, stirring vane;11, electric hot plate;12, gear;13, rack;14, shell;15, pump body;16, delivery pipe;17, shunt pipe;18, spray head;19, hydraulic cylinder;20, second motor;21, limit disc;22, limit column;23, mounting bracket;24, hot air machine;25, receiving box. DETAILED DESCRIPTION

[0027] With reference to the drawings in the embodiments of the present application, the technical solutions in the embodiments of the present application will be described clearly and completely. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.

[0028] In order to further understand the content of the present application, the present application will be described in detail with reference to the drawings.

[0029] With reference to Figure 1 , Figure 2 and Figure 3 , the polyurethane spraying equipment for heat preservation pipe processing of the present application comprises a stand 1, a top plate 2 fixedly connected between the top portions of the two stands 1, which facilitates the installation of a mixing box 3, the top plate 2 is fixedly connected with the mixing box 3 at the top portion, a slot 4 is formed at the top portion of the mixing box 3, which facilitates the movement of a stirring rod 9, a fixed column 5 is arranged on each side of the slot 4, a sliding groove 6 is formed on each side of the two fixed columns 5, a sliding plate 7 is slidably connected between the two sliding grooves 6, the sliding plate 7 can move in the sliding groove 6, a first motor 8 is fixedly connected at the top portion of the sliding plate 7, the first motor 8 is fixedly connected with the stirring rod 9 at the output end penetrating through the sliding plate 7, the first motor 8 can drive the stirring rod 9 to rotate, a plurality of stirring blades 10 are fixedly connected below the outer circle of the stirring rod 9, an electric heating plate 11 is arranged on the inner wall of each side of the mixing box 3, which can heat the paint in the mixing box 3, a gear 12 is fixedly connected above the outer circle of the stirring rod 9, a pump body 15 is arranged on the right side of the mixing box 3, which can draw out the paint in the mixing box 3, a conveying pipe 16 is fixedly connected on each side of the pump body 15, a shunt pipe 17 is fixedly connected at the bottom of the top plate 2, a plurality of spray heads 18 are arranged on the outer circle of the shunt pipe 17, which facilitates the spraying on the surface of the heat preservation pipe, a driving assembly is arranged in the middle of each of the two stands 1, an installation rack 23 is fixedly connected on the rear side of each of the two stands 1, which facilitates the installation of a hot air blower 24. Two hot air blowers 24 are fixedly connected on the inner side of the installation rack 23.

[0030] With reference to Figure 2 and Figure 3 , the driving assembly comprises a hydraulic cylinder 19, the hydraulic cylinder 19 penetrates and is fixedly connected with the stand 1, a second motor 20 is fixedly connected at the output end of the hydraulic cylinder 19, the output end of the hydraulic cylinder 19 is fixedly connected with the second motor 20 through a mounting plate (not marked in the figure). A limiting disc 21 is fixedly connected at the output end of the second motor 20, a limiting column 22 is fixedly connected on the outer side of the limiting disc 21, the two driving assemblies can drive the limiting disc 21 to cooperate with the limiting column 22 to fix the heat preservation pipe on both sides at the same time, and cooperate with the second motor 20 to drive the fixed heat preservation pipe to rotate at a constant speed, so that the paint can be sprayed more uniformly.

[0031] Referring to Figure 1 , Figure 2 and Figure 3 , the rear fixed column 5 front side is fixedly connected with a rack 13, and the rack 13 is in meshing connection with the gear 12, which plays a transmission effect, so that the gear 12 can move along the rack 13 conveniently. The outer sides of the two fixed columns 5 are provided with housings 14, and the housings 14 are fixedly connected with the mixing box 3 at the top. The housings 14 can seal the slot 4. The left end of the conveying pipe 16 is fixedly connected with the mixing box 3, and the right end of the conveying pipe 16 penetrates through the top plate 2 and is fixedly connected with the shunt pipe 17. The conveying pipe 16 is used to convey the paint drawn out. The two fixed columns 5 are fixedly connected with the mixing box 3, and a receiving box 25 is arranged between the two upright columns 1 at the bottom, which can collect the paint dripping down.

[0032] Working principle: first, before spraying, the heat preservation pipe is placed between the two limiting discs 21, so that the limiting columns 22 are inserted into both ends of the heat preservation pipe, the hydraulic cylinder 19 is extended, the two limiting discs 21 are used to fix both ends of the heat preservation pipe, and at the same time, the second motor 20 can drive the fixed heat preservation pipe to rotate, so that the surface of the heat preservation pipe at different angles can be sprayed conveniently. Then, various raw materials of polyurethane are poured into the mixing box 3 through the feed cylinder (not marked in the figure) arranged on the outer side of the mixing box 3. The first motor 8 is started, the first motor 8 drives the stirring rod 9 to rotate at high speed, and the multiple stirring blades 10 below the stirring rod 9 rotate to strongly stir the raw materials. The raw materials can be fully tumbled in the mixing box 3, so that the components are uniformly mixed. At the same time, the gear 12 above the stirring rod 9 also rotates, the gear 12 is in meshing connection with the rack 13 on the front side of the rear fixed column 5, so that the sliding plate 7 slides left and right along the sliding groove 6, thereby driving the stirring rod 9 and its attached components to move horizontally in the mixing box 3, further expanding the stirring range, making the raw materials mix more thoroughly, and ensuring the consistency of the subsequent spraying quality. The electric heating plates 11 on the inner walls of the two sides of the mixing box 3 start to work to heat the raw materials in the mixing box 3. The appropriate temperature can reduce the viscosity of the raw materials and make them have better fluidity, which is not only beneficial to uniform stirring, but also lays a foundation for subsequent smooth spraying. Then, the spraying process is entered, the pump body 15 is started, the left conveying pipe 16 draws the raw materials that have been fully mixed and heated in the mixing box 3, and the raw materials are conveyed to the shunt pipe 17 at the bottom of the top plate 2 through the right conveying pipe 16. The multiple nozzles 18 on the outer circle of the shunt pipe 17 spray the raw materials out, realizing the preliminary spraying of the heat preservation pipe. At the same time, the hot air blown out by the air heater 24 can accelerate the drying and curing speed of the polyurethane paint sprayed on the surface of the heat preservation pipe, and shorten the processing period.

[0033] It is to be noted that, in the present document, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0034] While the embodiments of the present application have been illustrated and described, it will be understood by those skilled in the art that various changes, modifications, substitutions, and alterations can be made therein without departing from the spirit and scope of the application, which is defined by the appended claims and their equivalents.

Claims

1. A polyurethane spraying apparatus for processing of thermal tubes, comprising a column (1), characterized in that: Two said column (1) top between fixed connection has roof (2), roof (2) top fixed connection has mixing box (3), the mixing box (3) top is equipped with slot (4), slot (4) both sides are provided with fixed column (5), two fixed column (5) adjacent side is equipped with sliding groove (6), two sliding groove (6) between the sliding connection has sliding plate (7), the sliding plate (7) top fixed connection has first motor (8), the first motor (8) output end penetrates the sliding plate (7) and is fixedly connected with stirring rod (9), the stirring rod (9) outer circle below fixedly connected with a plurality of stirring blade (10), the mixing box (3) both sides inner wall is provided with electric heating plate (11), the stirring rod (9) outer circle above fixedly connected with gear (12), the mixing box (3) right side is provided with pump body (15), the pump body (15) left and right sides are fixedly connected with conveying pipe (16), the roof (2) bottom fixed connection has shunt pipe (17), the shunt pipe (17) outer circle is provided with a plurality of spray head (18), two column (1) middle part is provided with drive assembly, two column (1) rear side is fixedly connected with mounting bracket (23), the mounting bracket (23) inboard is fixedly connected with two air heaters (24).

2. A polyurethane spray apparatus for processing cryovials according to claim 1, wherein: The drive assembly comprises a hydraulic cylinder (19), the hydraulic cylinder (19) penetrates and is fixedly connected with the column (1), the hydraulic cylinder (19) output end is fixedly connected with second motor (20), the second motor (20) output end is fixedly connected with limit disc (21), the limit disc (21) outer side is fixedly connected with limit column (22).

3. A polyurethane spray apparatus for processing cryovials according to claim 1, wherein: The front side of the rear fixed column (5) is fixedly connected with a rack (13), and the rack (13) is engagedly connected with the gear (12).

4. The polyurethane spray apparatus for processing thermal tubes according to claim 1, wherein: Both sides of the two fixed columns (5) are provided with a shell (14), and the shell (14) is fixedly connected with the mixing box (3) at the bottom.

5. The polyurethane spray apparatus for processing thermal tubes according to claim 1, wherein: The left end of the conveying pipe (16) is fixedly connected with the mixing box (3), and the right end of the conveying pipe (16) penetrates the roof (2) and is fixedly connected with the shunt pipe (17).

6. A polyurethane spray apparatus for processing cryovials according to claim 1, wherein: Two said fixed column (5) and mixing box (3) are fixedly connected.

7. A polyurethane spray apparatus for processing cryovials according to claim 1, wherein: Two said column (1) below is provided with a receiving box (25).

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