CN212328750U

CN212328750U - Paint dipping device and drying box with same

Info

Publication number: CN212328750U
Application number: CN202020402665.6U
Authority: CN
Inventors: 卢荣邦
Original assignee: Zhuhai Hengqin Jiahao Intelligent Technology Co ltd
Current assignee: Zhuhai Hengqin Jiahao Intelligent Technology Co ltd; Zhuhai Rungu Electronic Co ltd
Priority date: 2020-03-25
Filing date: 2020-03-25
Publication date: 2021-01-12
Anticipated expiration: 2030-03-25

Abstract

The utility model discloses a dip coating device and have its stoving case has solved the transformer and has received the problem of pollution at the dip coating in-process. The utility model discloses a: the two sides of the base are respectively provided with a guide rod; the two sides of the top cover are respectively connected with the guide rod in a sliding manner, and the top cover is provided with a vacuum tube and an input tube; at least one placing plate, wherein two sides of the placing plate are respectively connected with the corresponding guide rods in a sliding manner; a plurality of flexible subassemblies, flexible subassembly is connected adjacent top cap respectively, is placed board and base between two liang. The utility model utilizes the telescopic component to realize the separation or the stacking of the top cover, the placing plate and the base, thereby realizing the effects of material loading and isolation from the outside, realizing internal communication through the liquid outlet, and smoothly injecting varnish and completing paint dipping; stoving case has adopted simultaneously the utility model discloses a dip coating device can directly dry after accomplishing the dip coating, can avoid carrying out the secondary like this and shift, makes the transformer can not contact with the external world, has improved convenience and reliability.

Description

Paint dipping device and drying box with same

Technical Field

The utility model relates to a transformer production technical field, especially a dip coating device and have its stoving case.

Background

In the production of transformers, in order to ensure the insulating performance of the transformers, the coil gaps of the transformers need to be filled with varnish. When the standing water is soaked, the water is transferred into a drying box for drying. In the transferring process, the transformer is easily contaminated by dust or other impurities, so that the performance of the transformer is easily affected.

Disclosure of Invention

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides an immersion paint device can avoid the transformer to receive the pollution when carrying out the wicking to the transformer.

The utility model discloses still provide a stoving case with above-mentioned dip coating device.

According to the utility model discloses an immersion paint device of first aspect embodiment includes: the guide rods are vertically upwards arranged on two sides of the base respectively, and a first groove is formed in the upper end face of the base; the water pipe is arranged on one side of the base and is communicated with the first groove; the two sides of the placing plate are respectively connected with the corresponding guide rods in a sliding manner, a second groove is formed in the upper end face of the placing plate, and a liquid discharge port penetrating through the corresponding placing plate is further formed in the second groove; the two sides of the top cover are respectively connected with the corresponding guide rods in a sliding manner and are positioned above the placing plate at the top end; each telescopic assembly is used for respectively connecting the adjacent base and the placing plate, or the adjacent top cover and the placing plate, or the adjacent placing plates in pairs.

According to the utility model discloses paint dipping device has following beneficial effect at least: utilize flexible subassembly, can make the top cap, place board and base between two liang realize the separation or stack to can realize transformer material loading and realize the purpose of keeping apart with the external world, and realize inside intercommunication through the leakage fluid dram, the water pipe can pour into standing water or evacuation into to interior space, thereby accomplishes the process of dip coating, and avoids the transformer to have the contact with the external world, has improved the reliability of transformer production.

According to some embodiments of the present invention, the bottom end surface of the placement plate and the bottom end surface of the top cover are both provided with a first annular protrusion or a first annular groove along the periphery, and the upper end surfaces of the placement plate and the base are provided with a second annular groove or a second annular protrusion along the periphery; when two adjacent placing plates are abutted, or the adjacent base is abutted with the placing plates, or the adjacent top cover is abutted with the placing plates, the first annular convex part is inserted into the corresponding second annular groove, or the second annular convex part is inserted into the corresponding first annular groove. By utilizing the matching of the annular convex part and the annular groove, the whole sealing performance can be improved, and impurities and dust in the air are prevented from entering.

According to some embodiments of the utility model, still include at least a set of driving piece, the driving piece with the connection can be dismantled to one side of base, just the drive end of driving piece with the connection can be dismantled to one side of top cap, with the drive the top cap rises or descends. Utilize the driving piece, can make the top cap, place and realize autosegregation and overlap between board and the base, improved the convenience.

According to some embodiments of the invention, the telescoping assembly comprises a spring member or a sliding plate.

According to some embodiments of the present invention, the spring element is connected at two ends thereof to the placing plate or the base and the top cover and the placing plate, respectively. Adopt through the flexible of utilizing the spring part, can change the top cap, place the board and the adjacent interval between the base.

According to some embodiments of the utility model, be equipped with waist shape hole on the sliding plate, place the board with be equipped with spacing post on the base respectively, the upper end of sliding plate with correspond place the board or top cap fixed connection, the other end of sliding plate passes through waist shape hole and the spacing post sliding connection who corresponds adjacent make corresponding place the board or the base can be in correspondence slide on the sliding plate. Utilize spacing post to slide in waist shape hole, see to change the top cap, place the interval between board and the base is adjacent.

According to some embodiments of the invention, the top cap with place the both sides of board respectively through slide bearing with correspond guide bar sliding connection. By using the sliding bearing, the top cover and the placing plate can be conveniently slid up and down along the guide rod.

According to some embodiments of the utility model, be located the top place the side of board still be equipped with respectively with correspond vacuum tube and input tube of second recess intercommunication. Through utilizing vacuum tube and input tube, can be convenient for the staff to carry out the evacuation and pour into varnish the space of inside formation.

According to some embodiments of the utility model, still include three ooff valve, locate respectively correspond the vacuum tube the input tube with on the water pipe. The on-off state of the vacuum pipe, the input pipe and the pipeline of the water pipe can be controlled respectively by adopting the switch valve.

According to the utility model discloses a stoving case of second aspect embodiment, include according to the utility model discloses the dip coating device of above-mentioned first aspect embodiment.

According to the utility model discloses stoving case has following beneficial effect at least: the stoving case has adopted the dip coating device of any above-mentioned embodiment, can directly dry after accomplishing the dip coating, can avoid carrying out the process that the secondary shifted like this, makes the transformer can not contact with the external world, has improved convenience and reliability. In addition, the second aspect embodiment of the present invention further includes the structure of any one of the above embodiments, so that the second aspect embodiment further includes the beneficial effects of any one of the above embodiments, and repeated descriptions are omitted here.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

FIG. 1 is a schematic structural view of a paint dipping apparatus according to an embodiment of the first aspect of the present invention;

FIG. 2 is a left side view of the paint dipping apparatus shown in FIG. 1;

FIG. 3 is a schematic view of the paint dipping apparatus shown in FIG. 1 with adjacent top cover, placing plate and base abutting each other;

FIG. 4 is a schematic view of the structure of a placement plate at the bottom of the paint dipping apparatus shown in FIG. 1;

FIG. 5 is a schematic view of FIG. 4 showing another angle at which the board is placed;

fig. 6 is a schematic structural diagram of an embodiment of the second aspect of the present invention.

Reference numerals: the drying device comprises a base 100, a guide rod 110, a first groove 120, a water pipe 200, a placing plate 300, a second groove 310, a liquid outlet 320, a top cover 400, a telescopic assembly 500, a first annular groove 600, a second annular convex part 700, a driving part 800, a vacuum pipe 900, an input pipe 1000 and a drying box 1100.

Detailed Description

This section will describe in detail the embodiments of the present invention, preferred embodiments of the present invention are shown in the attached drawings, which are used to supplement the description of the text part of the specification with figures, so that one can intuitively and vividly understand each technical feature and the whole technical solution of the present invention, but they cannot be understood as the limitation of the protection scope of the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, a plurality of means are one or more, a plurality of means are two or more, and the terms greater than, less than, exceeding, etc. are understood as not including the number, and the terms greater than, less than, within, etc. are understood as including the number. If any description to first, second and third is only for the purpose of distinguishing technical features, it is not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.

Referring to fig. 1 to 3, an immersion painting apparatus according to an embodiment of a first aspect of the present invention includes: the base 100 is provided with guide rods 110 which are vertically upward at two sides respectively, and the upper end surface of the base 100 is provided with a first groove 120; a water pipe 200 disposed at one side of the base 100 and communicated with the first groove 120; two placing plates 300, both sides of which are respectively connected with the corresponding guide rods 110 in a sliding way, wherein the upper end surface of the placing plate 300 is provided with a second groove 310, and the second groove 310 is also provided with a liquid outlet 320 which penetrates through the corresponding placing plate 300; a top cover 400, both sides of which are slidably connected to the corresponding guide bars 110, respectively, and which is positioned above the top placing plate 300; twelve telescoping assemblies 500, each telescoping assembly 500 connecting two adjacent bases 100 and placing plates 300, or two adjacent top covers 400 and placing plates 300, or two adjacent placing plates 300, respectively. Wherein, four telescopic assemblies 500 are respectively arranged between the adjacent bases 100 and the placing plates 300, or between the adjacent top covers 400 and the placing plates 300, and are respectively arranged at the front two sides and the rear two sides, so that in the telescopic process of the telescopic assemblies 500, the top covers 400, the placing plates 300 and the bases 100 can be kept stable in the separation or approach process.

It is contemplated that the number of the telescopic assemblies 500 may be increased to further improve stability during ascending and descending by achieving separation or sequential stacking between the top cover 400, the placing plate 300 and the base 100.

It is conceivable that the number of the placing plates 300 may be one, two, three or more, and the number of the placing plates 300 is set according to the requirement of the process and the purpose of the transfer, and when the number of the placing plates 300 is more, the bearable capacity is improved, and at the same time, the weight is increased, and the difficulty of the transfer is improved. In this embodiment, two placing plates 300 are provided, and in combination with the base 100, three layers of placing of the transformer can be realized.

Utilize flexible subassembly 500, can make top cap 400, place board 300 and base 100 between two liang realize the separation or stack to can realize the transformer material loading and realize keeping apart with the external world, and realize inside intercommunication through leakage fluid dram 320, can pour into standing water or evacuation into to interior space through water pipe 200, thereby accomplish the process of dip coating, and avoid the transformer to have the contact with the external world, improved the reliability of transformer production.

Referring to fig. 4 and 5, in some embodiments of the present invention, the bottom end surface of the placing plate 300 and the bottom end surface of the top cover 400 are both provided with a first annular groove 600 along the periphery, and the upper end surfaces of the placing plate 300 and the base 100 are provided with a second annular protrusion 700 along the periphery; wherein, when two adjacent placing plates 300 are abutted, or when the adjacent base 100 and the placing plate 300 are abutted, or when the adjacent top cover 400 and the placing plate 300 are abutted, the second annular convex part 700 is inserted into the corresponding first annular groove 600. By utilizing the matching of the annular convex part and the annular groove, the whole sealing performance can be improved, and impurities and dust in the air are prevented from entering.

It is conceivable that the bottom end surfaces of the placing plate 300 and the top cover 400 are provided with a first annular protrusion along the periphery, and the upper end surfaces of the placing plate 300 and the base 100 are provided with a second annular groove along the periphery; wherein, when two adjacent placing plates 300 are abutted, or when the adjacent base 100 and the placing plate 300 are abutted, or when the adjacent top cover 400 and the placing plate 300 are abutted, the first annular convex part is inserted into the corresponding second annular groove. By utilizing the matching of the annular convex part and the annular groove, the whole sealing performance can be improved, and impurities and dust in the air are prevented from entering.

Referring to fig. 1 to 3, in some embodiments of the present invention, a driving member 800 is further included, the driving member 800 is detachably connected to one side of the base 100, and the driving end of the driving member 800 is detachably connected to one side of the top cover 400 to drive the top cover 400 to ascend or descend. By using the driving member 800, the top cover 400, the placing plate 300 and the base 100 can be automatically separated and overlapped, thereby improving convenience.

It is conceivable that the driving member 800 may be an air cylinder, a motor, or an electric motor, and in this embodiment, the top cover 400 mainly achieves fixed-point lifting at two points, so the driving member 800 adopts a transmission structure of an electric motor and a screw nut pair to drive the top cover 400 to lift, thereby achieving separation and approach of the top cover 400, the placing plate 300, and the base 100.

It is conceivable that two, three or more sets of driving members 800 are provided, and in this embodiment, two sets of driving members 800 are provided and are respectively located at two sides of the base 100.

Referring to fig. 1 and 3, in some embodiments of the present invention, telescoping assembly 500 includes a sliding plate. The sliding plates are provided with waist-shaped holes, the placing plate 300 and the base 100 are respectively provided with a limiting column, the upper ends of the sliding plates are fixedly connected with the corresponding placing plate 300 or the top cover 400, and the other ends of the sliding plates are in sliding connection with the corresponding adjacent limiting columns through the waist-shaped holes, so that the corresponding placing plate 300 or the corresponding base 100 can slide on the corresponding sliding plates. The spacing between the top cover 400, the placing plate 300 and the base 100 adjacent to each other is changed by sliding the limiting columns in the waist-shaped holes.

It is contemplated that the telescopic assembly 500 may employ a spring member, and both ends of the spring member are respectively connected to the adjacent two placing plates 300, or the adjacent base 100 and placing plate 300, or the adjacent top cover 400 and placing plate 300. The interval between the top cover 400, the placing plate 300 and the base 100 adjacent to each other can be changed by using the expansion and contraction of the spring member.

In some embodiments of the present invention, the top cover 400 and the two sides of the placing plate 300 are slidably connected to the corresponding guide rods 110 through sliding bearings, respectively.

It is conceivable that the guide bar 110 is disposed outside the first and second

annular protrusions

600 and 700, so that the top cover 400 and the placing plate 300 can slide up and down, and the space formed between the top cover 400, the placing plate 300, and the base 100 can be sealed.

Referring to fig. 1 to 3, in some embodiments of the present invention, the side of the placing plate 300 at the top end is further provided with a vacuum tube 900 and an input tube 1000 respectively communicating with the corresponding second grooves 310. Through the vacuum tube 900 at the top end, the space formed inside can be vacuumized, and the standing water can flow to the bottom of the inner space by utilizing gravity through the input tube 1000, so that the liquid injection effect is improved.

Referring to fig. 1 to 3, in some embodiments of the present invention, three switching valves are further included, which are respectively disposed on the corresponding vacuum pipe 900, input pipe 1000 and water pipe 200. The on-off state of the vacuum pipe 900, the input pipe 1000 and the water pipe 200 can be controlled by using the switch valve.

It is conceivable that the three on-off valves can be directly replaced by using sealing covers, and when the vacuum pipe 900, the input pipe 1000 or the water pipe 200 need to be opened, the corresponding sealing covers are directly detached and then connected with the corresponding pipelines.

Referring to fig. 6, a drying box 1100 according to an embodiment of the second aspect of the present invention includes the paint dipping device according to the embodiment of the first aspect of the present invention.

Wherein the inside bottom surface of stoving case is equipped with the third recess with base 100 assorted, and the base 100 is arranged in the third recess, and the inside bottom surface of base 100 and stoving case 1100 can be dismantled and be connected. The structure of the drying box 1100 is conventional in the art, and will not be described again.

It is conceivable that the detachable coupling between the base and the inner bottom surface of the drying box 1100 is achieved by using an L-shaped coupling plate, screws, etc. to detachably couple the side surface of the base 100 with the bottom surface of the drying box 1100.

By means of detachable connection of the paint dipping device and the drying box 1100, the paint dipping device can be directly transferred into the drying box 1100 after the step of paint dipping of the transformer is completed, so that the process of secondary transfer can be avoided, the transformer can not be in contact with the outside, and convenience and reliability are improved. When the dipping device is transferred into the drying box 1100 and the front door of the drying box 1100 is covered, the driving part 800 can be started, the top cover 400 and the placing plate 300 are lifted, the top cover 400 is pulled open, the distance between the placing plate 300 and the base 100 is shortened, then the drying box 1100 is started, the transformer is heated and dried, after drying is completed, the driving part 800 is started again, the top cover 400, the placing plate 300 and the base 100 are mutually overlapped, the space formed by the top cover 400, the placing plate 300 and the base 100 is isolated from the outside, the transformer can be continuously dried for a period of time by internal hot air, meanwhile, the dipping device can be directly transferred, drying operation of the next dipping device is carried out, and process handover time between tin dipping and drying of the transformer is prolonged.

In addition, the second aspect embodiment of the present invention further includes the structure of any one of the above embodiments, so that the second aspect embodiment further includes the beneficial effects of any one of the above embodiments, and repeated descriptions are omitted here.

The paint dipping apparatus according to an embodiment of the present invention will be described in detail with a specific embodiment with reference to fig. 1 to 6. It is to be understood that the following description is illustrative only and is not intended as a specific limitation on the invention.

Referring to fig. 1 to 3, an immersion painting apparatus includes: the base 100 is provided with guide rods 110 which are vertically upward at two sides respectively, and the upper end surface of the base 100 is provided with a first groove 120; a water pipe 200 disposed at one side of the base 100 and communicated with the first groove 120; two placing plates 300, both sides of which are respectively connected with the corresponding guide rods 110 in a sliding way, wherein the upper end surface of the placing plate 300 is provided with a second groove 310, and the second groove 310 is also provided with a liquid outlet 320 which penetrates through the corresponding placing plate 300; a top cover 400, both sides of which are slidably connected to the corresponding guide bars 110, respectively, and which is positioned above the top placing plate 300; twelve telescoping assemblies 500, each telescoping assembly 500 connecting two adjacent bases 100 and placing plates 300, or two adjacent top covers 400 and placing plates 300, or two adjacent placing plates 300, respectively. Wherein, four telescopic assemblies 500 are respectively arranged between the adjacent bases 100 and the placing plates 300, or between the adjacent top covers 400 and the placing plates 300, and are respectively arranged at the front two sides and the rear two sides, so that in the telescopic process of the telescopic assemblies 500, the top covers 400, the placing plates 300 and the bases 100 can be kept stable in the separation or approach process.

In this embodiment, two placing plates 300 are provided, and in combination with the first groove 120 of the base 100, three layers of placing of the transformer can be realized.

Referring to fig. 4 and 5, in the present embodiment, both the bottom end surface of the placement plate 300 and the bottom end surface of the top cover 400 are provided with a first annular groove 600 along the periphery, and the upper end surfaces of the placement plate 300 and the base 100 are provided with a second annular protrusion 700 along the periphery; wherein, when two adjacent placing plates 300 are abutted, or when the adjacent base 100 and the placing plate 300 are abutted, or when the adjacent top cover 400 and the placing plate 300 are abutted, the second annular convex part 700 is inserted into the corresponding first annular groove 600. By utilizing the matching of the annular convex part and the annular groove, the sealing property of the whole inner space can be improved, and impurities and dust in the air are prevented from entering.

Referring to fig. 1 to 3, in the present embodiment, a driving member 800 is further included, the driving member 800 is detachably connected to one side of the base 100, and a driving end of the driving member 800 is detachably connected to one side of the top cover 400 to drive the top cover 400 to ascend or descend. By using the driving member 800, the top cover 400, the placing plate 300 and the base 100 can be automatically separated and overlapped, thereby improving convenience. In this embodiment, two sets of driving members 800 are disposed on the left and right sides of the base 100.

Referring to fig. 1 to 3, in the present embodiment, the top cover 400 mainly achieves fixed-point lifting at two upper and lower points, so the driving member 800 adopts a transmission structure of a motor and a screw nut pair to drive the top cover 400 to lift, thereby achieving separation and approach of the top cover 400, the placing plate 300 and the base 100.

Referring to fig. 1 to 3, in the present embodiment, the telescopic assembly 500 includes a sliding plate. The sliding plates are provided with waist-shaped holes, the placing plate 300 and the base 100 are respectively provided with a limiting column, the upper ends of the sliding plates are fixedly connected with the corresponding placing plate 300 or the top cover 400, and the other ends of the sliding plates are in sliding connection with the corresponding adjacent limiting columns through the waist-shaped holes, so that the corresponding placing plate 300 or the corresponding base 100 can slide on the corresponding sliding plates. The spacing between the top cover 400, the placing plate 300 and the base 100 adjacent to each other is changed by sliding the limiting columns in the waist-shaped holes.

In the present embodiment, both sides of the top cover 400 and the placing plate 300 are slidably coupled with the corresponding guide bars 110 by slide bearings, respectively.

The position of the guide rod 110 is required to be arranged outside the first annular protrusion and the second annular groove, so that the top cover 400 and the placing plate 300 can slide up and down, and the space formed between the top cover 400, the placing plate 300 and the base 100 can ensure the sealing effect.

Referring to fig. 1 to 3, in the present embodiment, the side of the placing plate 300 at the top end is further provided with a vacuum tube 900 and an input tube 1000 respectively communicating with the corresponding second grooves 310. Through the vacuum tube 900 at the top end, the space formed inside can be vacuumized, and the standing water can flow to the bottom of the inner space by utilizing gravity through the input tube 1000, so that the liquid injection effect is improved.

Referring to fig. 1 to 3, in the present embodiment, three switching valves are further included, and are respectively disposed on the vacuum pipe 900, the input pipe 1000, and the water pipe 200. The on-off state of the vacuum pipe 900, the input pipe 1000 and the water pipe 200 can be controlled by using the switch valve. Wherein, the vacuum pipe 900 and the input pipe 1000 are provided at the front side of the corresponding placing plate 300, and the water pipe 200 is provided at the front side of the base 100.

The working principle is as follows:

the driving member 800 is used to directly drive the top cover 400 to ascend, and the two lower placing plates 300 are driven to ascend in sequence by matching with the telescopic assembly 500, thereby achieving separation of the top cover 400, the placing plate 300, and the base 100, and at this time, the transformers to be varnished can be directly placed into the first groove 120 and the second groove 310 one by one, and after the placement of the transformers is completed, the driving member 800 drives the top cover 400 to descend, and pushes down the placing plates 300 one by one, so that the top cover 400, the two placing plates 300, and the base 100 are sequentially stacked, while fitting the liquid discharge port 320, a state in which the first recess 120 and the two second recesses 310 communicate with each other can be made, then the vacuum pipe 900 and the input pipe 1000 are respectively communicated with the vacuum pump and the tank body storing the varnish through pipelines, at this time, the on-off valves of the vacuum pipe 900 and the input pipe 1000 are opened, and the on-off valve of the water pipe 200 is closed; the space between the first groove 120 and the second groove 310 is formed with negative pressure by vacuumizing, so that the varnish is sucked into the interior, and air in the transformer can be exhausted in the vacuumizing process, so that the effect of tin immersion in the transformer can be improved;

after the transformer is completely filled, the transformer is continuously dipped in tin for a period of time in the paint dipping device, the switch valves of the vacuum tube 900 and the input tube 1000 are closed, and the water tube 200 is communicated with the water pump and the corresponding tank body, so that the internal varnish water is pumped out;

then, the paint dipping device is directly transferred into the drying box 1100, referring to fig. 6, after the front door of the drying box 1100 is closed, the driving member 800 is started, the top cover 400 and the placing plate 300 are lifted, so that the drying box 1100 dries the transformer inside, finally, after drying, the driving member 800 is started, so that the top cover 400, the placing plate 300 and the base 100 are stacked again, the drying box 1100 is opened, the paint dipping device is transferred, and another paint dipping device to be dried is transferred.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the gist of the present invention within the knowledge range of those skilled in the art.

Claims

1. An immersion painting apparatus, comprising:

the guide rods are vertically upwards arranged on two sides of the base respectively, and a first groove is formed in the upper end face of the base;

the water pipe is arranged on one side of the base and is communicated with the first groove;

the two sides of the placing plate are respectively connected with the corresponding guide rods in a sliding manner, a second groove is formed in the upper end face of the placing plate, and a liquid discharge port penetrating through the corresponding placing plate is further formed in the second groove;

the two sides of the top cover are respectively connected with the corresponding guide rods in a sliding manner and are positioned above the placing plate at the top end;

each telescopic assembly is used for respectively connecting the adjacent base and the placing plate, or the adjacent top cover and the placing plate, or the adjacent placing plates in pairs.

2. The paint dipping apparatus according to claim 1, characterized in that: the bottom end surface of the placing plate and the bottom end surface of the top cover are both provided with a first annular convex part or a first annular groove along the periphery, and the upper end surfaces of the placing plate and the base are provided with a second annular groove or a second annular convex part along the periphery;

when two adjacent placing plates are abutted, or the adjacent base is abutted with the placing plates, or the adjacent top cover is abutted with the placing plates, the first annular convex part is inserted into the corresponding second annular groove, or the second annular convex part is inserted into the corresponding first annular groove.

3. The paint dipping apparatus according to claim 1, characterized in that: the driving part is detachably connected with one side of the base, and the driving end of the driving part is detachably connected with one side of the top cover so as to drive the top cover to ascend or descend.

4. The paint dipping apparatus according to claim 1, characterized in that: the telescoping assembly includes a spring member or a sliding plate.

5. The paint dipping apparatus according to claim 4, characterized in that: two ends of the spring piece are respectively connected with the two adjacent placing plates, or the adjacent base and the placing plate, or the adjacent top cover and the placing plate.

6. The paint dipping apparatus according to claim 4, characterized in that: the sliding plate is provided with a waist-shaped hole, the placing plate and the base are respectively provided with a limiting column, the upper end of the sliding plate is fixedly connected with the corresponding placing plate or the top cover, and the other end of the sliding plate is in sliding connection with the corresponding adjacent limiting column through the waist-shaped hole, so that the corresponding placing plate or the corresponding base can slide on the corresponding sliding plate.

7. The paint dipping apparatus according to claim 1, characterized in that: the top cover and the two sides of the placing plate are respectively connected with the corresponding guide rods in a sliding mode through sliding bearings.

8. The paint dipping apparatus according to claim 1, characterized in that: and the side surface of the placing plate positioned at the top end is also provided with a vacuum tube and an input tube which are respectively communicated with the corresponding second grooves.

9. The paint dipping apparatus according to claim 8, characterized in that: the three switch valves are respectively arranged on the corresponding vacuum pipe, the input pipe and the water pipe.

10. Drying box characterized in that it comprises a paint dipping device according to any one of claims 1 to 9.