Heating pipe heating layer spraying device

Abstract

The utility model belongs to the technical field of heating pipe preparation, and particularly discloses a heating pipe heating layer spraying device which is characterized in that a first partition plate and a second partition plate are arranged in a box body to divide the box body into a first cavity, a second cavity and a third cavity, a spraying assembly is arranged in the first cavity, the second cavity is used for placing a quartz tube, and the third cavity is used for placing the quartz tube; a plurality of first through holes are formed in the first partition plate; a hollow rotary table structure is arranged at the bottom of the second cavity and is used for fixing the quartz tube and driving the quartz tube to rotate; a plurality of second through holes are formed in the second partition plate, a slurry collecting box is arranged in the third cavity and is in sliding connection with the third cavity, and the second through holes and the first through holes are coaxially formed. According to the spraying device, the quartz tubes are rotated in the heating layer spraying process, so that spraying is more uniform, the spraying assembly is prevented from being moved repeatedly, the multiple spraying guns are arranged at the same time, spraying of the multiple quartz tubes is completed at the same time, and production efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to heating pipe preparation technical field, in particular to a kind of heating pipe heat layer spraying device. BACKGROUND

[0002] Heating pipe is a kind of heating device using infrared heating, widely used in food processing, heating industry, automobile industry and other industries. When preparing heating pipe, conductive carbon slurry needs to be sprayed on the inner wall of quartz tube. In the prior art, the spray head is inserted into the heating pipe to continuously spray, so that the slurry at the top flows along the inner wall of the heating pipe to the bottom of the heating pipe. However, relying solely on the flowability of the slurry will result in uneven thickness of the heating layer. In the spraying process, in order to avoid the heating layer on one side of the heating pipe being too thick, the position of the spray head needs to be adjusted from time to time. Since the spray gun is connected to at least two spray pipes, it is difficult to adjust the position, which reduces the production efficiency. SUMMARY

[0003] The utility model aims at overcoming the defects of uneven thickness of heating layer and low production efficiency in the prior art, and provides a heating pipe heat layer spraying device. The device comprises a box body, a first partition plate and a second partition plate are arranged in the box body from top to bottom, dividing the box body into a first cavity, a second cavity and a third cavity, a spraying assembly is arranged in the first cavity, the second cavity is used for placing a quartz tube, a plurality of first through holes are formed in the first partition plate, and the spraying end of the spraying assembly extends into the quartz tube through the first through holes for heat layer spraying;

[0004] A hollow turntable structure is arranged at the bottom of the second cavity for fixing and rotating the quartz tube.

[0005] A plurality of second through holes are formed in the second partition plate, a slurry collecting box is arranged in the third cavity, the slurry collecting box is slidably connected with the third cavity, and the second through holes are coaxially arranged with the first through holes.

[0006] Further, a sliding groove is formed in the inner wall of one side of the first cavity.

[0007] The spraying assembly comprises a plurality of spray guns arranged side by side, each spray gun is provided with a connecting rod on the side close to the sliding groove, one end of the connecting rod is provided with a sliding block, and the sliding block is slidably connected with the sliding groove.

[0008] Each connecting rod is connected as an integral structure by a horizontal rod, a first driving component is arranged at the top of the first cavity, the output end of the first driving component is fixedly connected with the horizontal rod, and the sliding block is driven to slide in the sliding groove.

[0009] The number and position of the spray guns are adapted to the first through holes.

[0010] Further, the second cavity is internally provided with a first positioning plate and a second positioning plate;

[0011] The contact surface of the first positioning plate and the second positioning plate is provided with a semicircular hole for limiting the position of the quartz tube and avoiding the inclination of the quartz tube.

[0012] Further, the hollow rotating table structure comprises a rotating shaft, a worm wheel and a second driving component;

[0013] The second driving component is arranged outside the second cavity and is axially connected with the rotating shaft.

[0014] The worm wheel is a hollow structure for clamping and rotating the quartz tube.

[0015] Further, the bottom of the worm wheel is internally provided with a receiving table, and the bottom of the quartz tube is abutted on the receiving table.

[0016] The inner wall of the worm wheel is uniformly provided with a plurality of elastic fins along the circumference for clamping the quartz tube.

[0017] Further, the bottom of the worm wheel is provided with a second bearing, and the second bearing is internally provided with a fixing tube.

[0018] Further, the inner wall of the second cavity is provided with a heating wire for heating the quartz tube.

[0019] Further, the first cavity and the second cavity are both externally connected with cabinet doors through hinges.

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

[0021] (1) The utility model discloses a quartz tube spraying device, which comprises a first cavity, a second cavity and a quartz tube.

[0022] (2) The utility model discloses be provided with the sliding slot for the spray gun sliding in the first cavity, and the vertical height of spray gun is adjusted through the first drive part, can be applicable to different size's quartz tube, and be provided with the first locating plate and second locating plate of buckling connection in the second cavity, avoid the inclination in the rotation process, still be provided with slurry collection box in the third cavity, can collect the slurry that flows to the bottom of quartz tube, improved the aesthetic property and environmental protection of production environment.

[0023] (3) The utility model discloses through one drive part simultaneously drive multiple worm wheel rotation, reduced the manufacturing cost of equipment, and still be provided with heating wire in the second cavity, when the heating layer spray coating is completed, can heat the quartz tube in time and shape, avoid the thickness uneven of heating layer that the heating layer flows again leads to. BRIEF DESCRIPTION OF DRAWINGS

[0024] The following drawings only make the illustrative explanation of the utility model and do not use to limit the scope of the utility model, wherein:

[0025] Figure 1 The utility model discloses external structure schematic diagram;

[0026] Figure 2 The utility model discloses internal structure schematic diagram;

[0027] Figure 3 : Figure 2 Middle A part enlarged view;

[0028] Figure 4 Second cavity internal structure schematic diagram;

[0029] Figure 5 Worm wheel internal structure schematic diagram;

[0030] Figure 6 Worm wheel bottom structure schematic diagram;

[0031] In the drawing: 1, box;2, first cavity;3, second cavity;4, third cavity;5, first drive part;6, sliding slot;7, connecting rod;8, sliding block;9, spray gun;10, first baffle;11, first through -hole;12, second baffle;13, second drive part;14, rotating shaft;15, worm;16, first bearing;17, bearing base;18, worm wheel;19, heating wire;20, quartz tube;21, first locating plate;22, second locating plate;23, elastic fin;24, receiving table;25, second bearing;26, fixed pipe. DETAILED DESCRIPTION

[0032] In order to make the purpose, technical scheme, design method and advantages of the utility model more clear and explicit, the utility model is further explained in detail by specific embodiments combined with drawings. It should be understood that the specific embodiments described herein are only used to explain the utility model and not used to limit the utility model.

[0033] As Figure 1 shown, the utility model provides a kind of heating pipe heat control layer spraying device, including box 1, first baffle 10 and second baffle 12 are sequentially arranged from top to bottom in the box 1 inside, and the box is divided into first cavity 2, second cavity 3 and third cavity 4, hinged cabinet door is connected on the outside of first cavity 2 and second cavity 3, handle is provided on cabinet door, slurry collection box is provided in third cavity 4, in this embodiment, slurry collection box is the drawer structure of pullable, when slurry flows to slurry collection box, slurry can be collected periodically.

[0034] As Figure 2 shown, first cavity 2 inside is provided with spraying assembly, second cavity 3 is used to place quartz tube 20, first baffle 10 is provided with 5 first through holes 11, the injection end of spraying assembly passes through first through hole 11 and extends to the inside of quartz tube 20 and carries out heat control layer spraying;The bottom of second cavity 3 is provided with hollow turntable structure, for fixing quartz tube 20 and driving quartz tube 20 to rotate;Second baffle 12 is provided with 5 second through holes, which is used to install hollow turntable structure and provide channel for slurry to flow to third cavity 4, wherein, the second through hole is coaxially arranged with first through hole 11.

[0035] Continue to refer to Figure 2 in this embodiment, first cavity 2 one side inner wall is provided with chute 6;Spraying assembly includes 5 side-by-side arranged spray guns 9, each spray gun 9 is provided with connecting rod 7 close to one side of chute 6, one end of connecting rod 7 is provided with sliding block 8, and sliding block 8 is slidably connected with chute 6;Each connecting rod 7 is connected into an integral structure by a cross bar, first cavity 2 top is provided with first driving part 5, the output end of first driving part 5 is fixedly connected with cross bar, drives sliding block 8 to slide in chute 6;The position of spray gun 9 is adapted to first through hole 11, so that the spray head of spray gun can pass through first through hole 11 and extend into quartz tube 20 in the process of descending, in this embodiment, first driving part 5 can select stepper motor or air cylinder, and the stroke of stepper motor or air cylinder is controlled by external controller, so that spraying height can be accurately controlled.

[0036] As Figure 4As shown, the first positioning plate 21 and the second positioning plate 22 are arranged in the second cavity 3, and the contact surfaces of the first positioning plate 21 and the second positioning plate 22 are provided with semicircular holes, and the two semicircular holes are buckled to form a circular through hole for limiting the position of the quartz tube 20 to avoid the inclination of the quartz tube 20. The first positioning plate 21 and the second positioning plate 22 are detachably connected by buckling. Figure 3 As shown, the hollow rotating table structure includes a rotating shaft 14, a worm gear 18 and a second driving component 13. The second driving component 13 is arranged outside the second cavity 3 and is axially connected with the rotating shaft 14. The rotating shaft 14 is sleeved with five first bearings 16, and the bottom of the first bearing 16 is provided with a bearing base 17 which is fixedly connected with the second partition plate 12. The worm gear 18 is a hollow structure for clamping the quartz tube 20 and driving the quartz tube 20 to rotate. The rotating shaft 14 is composed of five worm gears 15. The worm gears 15 are meshed with the worm gear 18, and the positions of the worm gear 18 and the worm gears 15 are adapted to the second through hole so that the hollow part of the worm gear 18 is coaxial with the second through hole, and each worm gear 15 is meshed with the corresponding worm gear 18. Figure 5 As shown, the bottom of the worm gear 18 is inwardly provided with a receiving table 24, and the bottom of the quartz tube 20 abuts against the receiving table 24. The inner wall of the worm gear 18 is uniformly provided with four elastic fins 23 in the circumferential direction for clamping the quartz tube 20. The quartz tube 20 is placed in the worm gear 18, and the quartz tube 20 is clamped by the elastic fins 23, and the bottom of the quartz tube 20 is overlapped on the receiving table 24. It should be noted that the diameter of the receiving table 24 should be adapted to the diameter of the quartz tube 20 to avoid the quartz tube 20 from falling into the third cavity 4.

[0037] As shown, the bottom of the worm gear 18 is inwardly provided with a receiving table 24, and the bottom of the quartz tube 20 abuts against the receiving table 24. The inner wall of the worm gear 18 is uniformly provided with four elastic fins 23 in the circumferential direction for clamping the quartz tube 20. The quartz tube 20 is placed in the worm gear 18, and the quartz tube 20 is clamped by the elastic fins 23, and the bottom of the quartz tube 20 is overlapped on the receiving table 24. It should be noted that the diameter of the receiving table 24 should be adapted to the diameter of the quartz tube 20 to avoid the quartz tube 20 from falling into the third cavity 4. Figure 6 As shown, the bottom of the worm gear 18 is inwardly provided with a receiving table 24, and the bottom of the quartz tube 20 abuts against the receiving table 24. The inner wall of the worm gear 18 is uniformly provided with four elastic fins 23 in the circumferential direction for clamping the quartz tube 20. The quartz tube 20 is placed in the worm gear 18, and the quartz tube 20 is clamped by the elastic fins 23, and the bottom of the quartz tube 20 is overlapped on the receiving table 24. It should be noted that the diameter of the receiving table 24 should be adapted to the diameter of the quartz tube 20 to avoid the quartz tube 20 from falling into the third cavity 4.

[0038] In this embodiment, the inner wall of the second cavity 3 is also provided with a heating wire 19 for heating the quartz tube 20. After the slurry spraying is completed, the first driving component 5 drives the spray gun 9 to move upward until the nozzle of the spray gun 9 moves out of the first through hole 11, and the heating wire 19 is turned on to preheat and shape the quartz tube to avoid the uneven thickness of the heating layer caused by the flow of the slurry.

[0039] The above has described various embodiments of the present application, the above description is exemplary, not exhaustive, and is not limited to the disclosed embodiments. Many modifications and changes are obvious to those skilled in the art without departing from the scope and spirit of the described embodiments. The selection of terms used herein is intended to best explain the principles of the embodiments, practical applications, or improvements in the technology in the market, or to enable other ordinary skilled in the art to understand the embodiments disclosed herein.

Claims

1. A heating control hot layer spraying device, comprising a housing (1), wherein a first partition (10) and a second partition (12) are arranged sequentially from top to bottom inside the housing (1) to divide the housing into a first cavity (2), a second cavity (3), and a third cavity (4), characterized in that, The first cavity (2) is equipped with a spraying assembly, and the second cavity (3) is used to place a quartz tube (20). The first partition (10) has a plurality of first through holes (11). The spraying end of the spraying assembly passes through the first through holes (11) and extends into the quartz tube (20) to spray the heating layer. The bottom of the second cavity (3) is provided with a hollow turntable structure, which is used to fix the quartz tube (20) and drive the quartz tube (20) to rotate; The second partition (12) has several second through holes. The third cavity (4) is equipped with a slurry collection box. The slurry collection box is slidably connected to the third cavity (4). The second through holes are coaxially arranged with the first through hole (11).

2. The heating control hot layer spraying device according to claim 1, characterized in that, A groove (6) is provided on one side of the inner wall of the first cavity (2); The spraying assembly includes several spray guns (9) arranged side by side. Each spray gun (9) has a connecting rod (7) on one side near the slide groove (6). One end of the connecting rod (7) is provided with a slider (8), and the slider (8) is slidably connected to the slide groove (6). Each of the connecting rods (7) is connected as a whole structure by a crossbar. The top of the first cavity (2) is provided with a first driving component (5). The output end of the first driving component (5) is fixedly connected to the crossbar, driving the slider (8) to slide in the groove (6). The number and position of the spray guns (9) are adapted to the first through hole (11).

3. The heating control hot layer spraying device according to claim 1, characterized in that, The second cavity (3) is provided with a first positioning plate (21) and a second positioning plate (22); The contact surfaces of the first positioning plate (21) and the second positioning plate (22) are provided with semi-circular holes to limit the position of the quartz tube (20) and prevent the quartz tube (20) from tilting. The first positioning plate (21) and the second positioning plate (22) are detachably connected by a snap fastener.

4. The heating control hot layer spraying device according to claim 3, characterized in that, The hollow turntable structure includes a rotating shaft (14), a worm gear (18), and a second drive component (13); The second drive component (13) is disposed outside the second cavity (3) and is axially connected to the rotating shaft (14). A plurality of first bearings (16) are sleeved on the rotating shaft (14). A bearing base (17) is disposed at the bottom of the first bearing (16). The bearing base (17) is fixedly connected to the second partition (12). The worm gear (18) is a hollow structure used to clamp the quartz tube (20) and drive the quartz tube (20) to rotate. The rotating shaft (14) is composed of several worm segments (15). The worm segments (15) are meshed with the worm gear (18), and the number and position of the worm gear (18) and worm segments (15) are adapted to the second through hole.

5. A heating control hot layer spraying device according to claim 4, characterized in that, The bottom of the worm gear (18) is provided with a receiving platform (24) facing inward, and the bottom of the quartz tube (20) abuts against the receiving platform (24); The inner wall of the worm gear (18) is uniformly provided with a number of elastic fins (23) along the circumference for clamping the quartz tube (20).

6. The heating control hot layer spraying device according to claim 5, characterized in that, The bottom of the worm gear (18) is provided with a second bearing (25), and a fixing tube (26) is provided inside the second bearing (25). One end of the fixing tube (26) is interference-fitted with the second bearing (25), and the other end of the fixing tube (26) is fixedly connected to the inner wall of the second through hole.

7. A heating control hot layer spraying device according to claim 6, characterized in that, The inner wall of the second cavity (3) is provided with a heating wire (19) for heating the quartz tube (20).

8. A heating control hot layer spraying device according to claim 1, characterized in that, Cabinet doors are connected to the outside of the first cavity (2) and the second cavity (3) by hinges.

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