Paint sprayer

Abstract

The paint spraying machine comprises a rack, a bearing table, a paint spraying mechanism, a drying assembly and a heat conduction mechanism, the rack is provided with a paint spraying cavity and a drying cavity which are arranged in a separated mode, the bearing table and the paint spraying mechanism are both arranged in the paint spraying cavity, the bearing table is used for bearing objects, and the paint spraying mechanism is used for spraying paint on the surfaces of the objects on the bearing table. The drying assembly is arranged in the drying cavity and used for drying paint on the surface of an object, and the heat conduction mechanism is arranged on the rack and used for guiding heat in the drying cavity into the paint spraying cavity, so that the heat conduction mechanism can conduct the heat in the drying cavity into the paint spraying cavity, and the temperature in the drying cavity is increased; according to the paint spraying device, paint on the surfaces of objects in the paint spraying cavity can be dried in advance, on one hand, heat energy generated by the drying assembly can be fully utilized, and on the other hand, the drying efficiency of the objects can be improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a paint spraying machine technical field, especially a kind of paint spraying machine. BACKGROUND

[0002] Paint spraying machine is the equipment used to some objects production process and paint is sprayed to the side surface of object, after paint is sprayed to the surface of object, the paint on the surface needs to be dried before next operation, generally, after the object is sprayed with paint, the object is naturally placed to dry, when the existing paint spraying machine sprays paint on plate or object, the object is generally converted by manual, and the surface of the object after spraying paint cannot be dried quickly, which leads to slow work efficiency. In order to improve the drying speed of the surface of the object, a drying assembly is generally provided on the paint spraying machine, but the heat energy generated by the existing drying assembly cannot be fully utilized, which causes resource waste. SUMMARY

[0003] The utility model aims at at least one of the technical problems existing in the prior art. To this end, the utility model provides a paint spraying machine, which can fully utilize the heat energy generated by the drying assembly.

[0004] The paint spraying machine according to the embodiment of the utility model comprises:

[0005] A rack is provided with a paint spraying cavity and a drying cavity which are separated;

[0006] A carrying table and a paint spraying mechanism are arranged in the paint spraying cavity, the carrying table is used for carrying objects, and the paint spraying mechanism is used for spraying paint on the surface of the objects on the carrying table;

[0007] A drying assembly is arranged in the drying cavity, and the drying assembly is used for drying the paint on the surface of the objects;

[0008] A heat conduction mechanism is arranged in the rack, and the heat conduction mechanism is used for guiding the heat in the drying cavity to the paint spraying cavity.

[0009] The paint spraying machine according to the embodiment of the utility model has at least the following beneficial effects:

[0010] When the paint spraying machine works, the paint spraying mechanism sprays paint on the objects on the carrying table, so that the paint is attached to the surface of the objects, then the objects are carried into the drying cavity, so that the drying assembly can dry the paint on the surface of the objects, by arranging the heat conduction mechanism, the heat in the drying cavity can be conducted to the paint spraying cavity, so that the temperature in the drying cavity is increased, the paint on the surface of the objects in the paint spraying cavity can be dried in advance, on the one hand, the heat energy generated by the drying assembly can be fully utilized, on the other hand, the drying efficiency of the objects can be improved.

[0011] According to some embodiments of the present application, the heat conduction mechanism comprises a first connecting piece, a second connecting piece and a heat conduction pipe arranged between the first connecting piece and the second connecting piece, the first connecting piece and the second connecting piece are arranged on the rack, the first connecting piece is provided with a first channel communicating with the drying cavity, the second connecting piece is provided with a second channel communicating with the paint spraying cavity, and the first channel communicates with the second channel through the heat conduction pipe.

[0012] According to some embodiments of the present application, a fan assembly is arranged between the first connecting piece and the heat conduction pipe, and the fan assembly is used to guide the air flow in the drying cavity to the paint spraying cavity.

[0013] According to some embodiments of the present application, the paint spraying mechanism comprises a support, a paint spraying head and a driving assembly, the support is connected with the rack, the driving assembly is arranged on the support, the paint spraying head is arranged on the driving assembly, and the driving assembly is used to drive the paint spraying head to move.

[0014] According to some embodiments of the present application, the driving assembly comprises a first sliding seat and a second sliding seat, the first sliding seat is slidably arranged on the support and connected with a first driving piece, the second sliding seat is slidably arranged on the first sliding seat and connected with a second driving piece, and the sliding directions of the first sliding seat and the second sliding seat are arranged staggeredly.

[0015] According to some embodiments of the present application, the rack comprises a frame body, a bottom plate and a side wall plate, the bottom plate and the side wall plate are arranged on the frame body, the side wall plate is arranged around the circumference of the bottom plate, the bottom plate and the side wall plate are enclosed to form the paint spraying cavity, the bearing table is arranged on the bottom plate, and the paint spraying machine further comprises a water curtain mechanism, the water curtain mechanism is used to generate a water curtain capable of covering the inner circumferential surface of the side wall plate.

[0016] According to some embodiments of the present application, the water curtain mechanism comprises a water tank, a water curtain pipe assembly and a pump body assembly, the water tank is arranged at the bottom of the rack, the water curtain pipe assembly comprises a first water pipe and a second water pipe connected with the first water pipe, the first water pipe communicates with the water tank through the pump body assembly, the second water pipe is arranged in the paint spraying cavity, and the second water pipe is arranged around the circumference of the bottom plate, the second water pipe is provided with a plurality of first water outlets, the plurality of first water outlets are arranged in parallel and spaced apart along the length direction of the second water pipe, and the water flowing out of the plurality of first water outlets forms the water curtain.

[0017] According to some embodiments of the present application, a baffle is further arranged, the baffle is connected with the side wall plate, the baffle is arranged on the side of the second water pipe away from the side wall plate, and the baffle is used to shield the second water pipe.

[0018] According to some embodiments of the present application, the bottom plate is provided with a drainage channel, and the drainage channel is communicated with the water tank.

[0019] According to some embodiments of the present application, the paint spraying machine further comprises a plurality of trays arranged in a separated manner, the trays are movably arranged in the drying cavity, and the trays are used for supporting the objects to be dried.

[0020] The additional aspects and advantages of the present application will be partially given in the following description, partially will become obvious from the following description, or will be understood by the practice of the present application. BRIEF DESCRIPTION OF DRAWINGS

[0021] The above and / or additional aspects and advantages of the present application will become apparent and more readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

[0022] Figure 1 It is a structure schematic view of the paint spraying machine of the present application embodiment;

[0023] Figure 2 It is an internal structure schematic view of the paint spraying machine of the present application embodiment;

[0024] Figure 3 It is Figure 2 a top view;

[0025] Figure 4 It is Figure 3 a sectional view of A-A line in

[0026] Figure 5 It is a structure schematic view of the heat conduction mechanism of the present application embodiment;

[0027] Figure 6 It is a structure schematic view of the heat conduction mechanism of the present application embodiment in another view;

[0028] Figure 7 It is an exploded schematic view of the heat conduction mechanism of the present application embodiment;

[0029] Figure 8 It is a structure schematic view of the paint spraying machine of the present application embodiment, and part of the tray is hidden in the figure;

[0030] Figure 9 It is Figure 8 a side view;

[0031] Figure 10 It is Figure 8 a structure schematic view in another view;

[0032] Figure 11 It is a structure schematic view of the water curtain mechanism of the present application embodiment.

[0033] Reference signs:

[0034] Rack 100, drainage channel 101, paint spraying cavity 110, drying cavity 120, bottom plate 130, third plate body 131, fourth plate body 132, side wall plate 140, first plate body 141, second plate body 142;

[0035] Carrying table 200, first carrying strip 210, second carrying strip 220;

[0036] Paint spraying mechanism 300, support 310, paint spraying head 320, first sliding seat 330, second sliding seat 340;

[0037] Drying assembly 400, tray 410;

[0038] Heat conduction mechanism 500, first connecting piece 510, second connecting piece 520, heat conduction pipe 530, main pipe 531, branch pipe 532, fan assembly 540, frame 541, fan body 542;

[0039] Water tank 610, water curtain pipe assembly 620, first water pipe 621, second water pipe 622, first pipe section 6221, second pipe section 6222, third water pipe 623, baffle 640. DETAILED DESCRIPTION

[0040] The embodiments of the present application are described in detail below, examples of which are shown in the drawings, wherein the same or similar notations represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary and are only used to explain the present application, and cannot be understood as a limitation of the present application.

[0041] In the description of the present application, it should be understood that the orientation description, such as the orientation or position relationship indicated by up, down, front, back, left, right, etc. is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as a limitation of the present application.

[0042] In the description of the present application, the meaning of several is one or more, and the meaning of multiple is more than two, greater than, less than, more than, etc. are understood as not including the number, and above, below, etc. are understood as including the number. If it is described as first, second, it is only used for the purpose of distinguishing technical features, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features or the sequence of indicated technical features.

[0043] In the description of the utility model, unless otherwise expressly limited, the words such as setting, installing, connecting should be understood broadly, and the skilled in the art can determine the specific meaning of the above words in the utility model according to the specific content of the technical scheme.

[0044] In the related art, the existing paint spraying machine needs to manually convert the front and back of the object when spraying paint on the plate or object, and the surface of the object after spraying paint cannot be quickly dried after spraying paint, resulting in slow work efficiency. In order to improve the drying speed of the surface of the object, a drying assembly is generally provided on the paint spraying machine, but the heat energy generated by the existing drying assembly cannot be fully utilized, causing resource waste.

[0045] Reference Figures 1 to 7 According to the paint spraying machine, the heat energy generated by the drying assembly 400 can be fully utilized, and the drying efficiency of the object is improved. The utility model discloses a paint spraying machine, which comprises a rack 100, a bearing table 200, a paint spraying mechanism 300, a drying assembly 400 and a heat conduction mechanism 500.

[0046] Specifically, when the paint spraying machine works, the paint spraying mechanism 300 sprays paint on the object on the bearing table 200, so that the surface of the object is attached with paint. Then, the object is carried into the drying cavity 120, so that the drying assembly 400 can dry the paint on the surface of the object. By arranging the heat conduction mechanism 500, the heat in the drying cavity 120 can be conducted to the paint spraying cavity 110, so that the temperature in the drying cavity 120 is increased, and the paint on the surface of the object in the paint spraying cavity 110 can be dried in advance. On the one hand, the heat energy generated by the drying assembly 400 can be fully utilized, and on the other hand, the drying efficiency of the object is improved.

[0047] It should be noted that the heat conduction mechanism 500 is arranged on both sides of the width direction of the rack 100, so that the heat in the drying cavity 120 can be radiated to the surface of the object from the opposite sides of the width direction of the paint spraying cavity 110, the surface of the object is dried uniformly, the yield of the object is improved, and details are not described here.

[0048] It should be noted that the drying assembly 400 is a heating pipe, which can generate heat so that the object is dried in the drying cavity 120, which is not described in detail here.

[0049] It should be noted that the bearing table 200 includes a first bearing strip 210 and a second bearing strip 220 connected to the first bearing strip 210, and the first bearing strip 210 and the second bearing strip 220 are in a cross-shaped structure, which can reduce the contact area between the bearing table 200 and the object, thereby reducing the possibility of the bearing table 200 damaging the surface of the object.

[0050] Referring to Figures 5 to 7 In some embodiments of the present application, the heat conduction mechanism 500 includes a first connecting piece 510, a second connecting piece 520, and a heat conduction pipe 530 arranged between the first connecting piece 510 and the second connecting piece 520, the first connecting piece 510 and the second connecting piece 520 are arranged on the rack 100, the first connecting piece 510 is provided with a first passage communicating with the drying cavity 120, the second connecting piece 520 is provided with a second passage communicating with the paint spraying cavity 110, the first passage communicates with the second passage through the heat conduction pipe 530, which can facilitate the assembly of the heat conduction mechanism 500.

[0051] Specifically, when assembling the heat conduction mechanism 500, the first connecting piece 510 and the second connecting piece 520 are respectively installed on the inner walls of the drying cavity 120 and the paint spraying cavity 110, and then the two ends of the heat conduction pipe 530 are connected with the first connecting piece 510 and the second connecting piece 520, which can facilitate the assembly of the heat conduction mechanism 500.

[0052] It should be noted that, in order to reduce heat loss, the heat conduction pipe 530 can be wrapped with thermal insulation cotton on the outer periphery side, so as to reduce heat exchange between the heat conduction pipe 530 and the outside, thereby reducing resource waste.

[0053] It should be noted that the heat conduction pipe 530 is in a three-way structure, the heat conduction pipe 530 includes a main pipe 531 and two branch pipes 532, and the second connecting piece 520 is correspondingly provided with two, the branch pipe 532 communicates with the corresponding second connecting piece 520, and the main pipe 531 communicates with the first connecting piece 510, so that the temperature in the paint spraying cavity 110 is more uniform, which is not limited here.

[0054] Referring to Figure 7In some embodiments of the utility model, fan assembly 540 is arranged between first connecting piece 510 and heat pipe 530, fan assembly 540 is used to guide the air flow in drying cavity 120 to spray paint cavity 110, to produce hot air in spray paint cavity 110, make the heat energy in drying cavity 120 can flow to each position in spray paint cavity 110, make the paint of the surface of article dry uniformly, can improve the drying efficiency of article, and can improve the yield of article.

[0055] Need to explain, fan assembly 540 includes frame 541 and fan body 542, frame 541 is connected with first connecting piece 510, and fan body 542 is rotatably contained in frame 541, and this is not detailed.

[0056] Refer to Figures 8 to 10 In some embodiments of the utility model, spray paint mechanism 300 includes support 310, spray paint head 320 and drive assembly, support 310 is connected with rack 100, drive assembly is arranged in support 310, spray paint head 320 is arranged in drive assembly, and drive assembly is used to drive spray paint head 320 to move, so that spray paint head 320 can move to each position of the surface of article, so that the surface of article is painted uniformly, can improve the yield of article.

[0057] In some embodiments of the utility model, drive assembly includes first sliding seat 330 and second sliding seat 340, first sliding seat 330 is slidably arranged in support 310 and is connected with first drive piece, second sliding seat 340 is slidably arranged in first sliding seat 330 and is connected with second drive piece, and the sliding direction of first sliding seat 330 and second sliding seat 340 is staggered, so that drive assembly can drive spray paint head 320 to move along the direction of double shaft.

[0058] Specifically, first sliding seat 330 slides along the front and back direction, and second sliding seat 340 slides along the left and right direction, and the sliding direction of first sliding seat 330 and second sliding seat 340 is perpendicular, so that spray paint head 320 can move to each position of the surface of article, so that the surface of article is painted uniformly, can improve the yield of article.

[0059] As another implementation, drive assembly can also be three-axis mechanical hand or four-axis mechanical hand, which is not limited here.

[0060] Refer to Figure 4 、 Figure 11In some embodiments of the utility model, the frame 100 includes the frame body, the bottom plate 130 and the side wall plate 140, the bottom plate 130 and the side wall plate 140 are all arranged on the frame body, the side wall plate 140 is arranged around the circumference of the bottom plate 130, the bottom plate 130 and the side wall plate 140 are enclosed to form the paint spraying cavity 110, the bearing table 200 is arranged on the bottom plate 130, the paint spraying machine further includes a water curtain mechanism, the water curtain mechanism is used to generate a water curtain capable of covering the inner circumferential surface of the side wall plate 140, which can reduce the situation that paint is attached to the side wall plate 140, so that the paint spraying cavity 110 can be cleaner, thereby reducing the maintenance frequency of the paint spraying machine.

[0061] Specifically, the side wall plate 140 is in U-shaped structure, the side wall plate 140 includes the first plate body 141 and the oppositely arranged second plate body 142, the first plate body 141 is arranged between the oppositely arranged second plate body 142, the water curtain mechanism can generate a water curtain on the surface of the first plate body 141 and the second plate body 142 towards the bearing table 200, which can reduce the situation that paint is attached to the side wall plate 140, so that the paint spraying cavity 110 can be cleaner, thereby reducing the maintenance frequency of the paint spraying machine.

[0062] For example Figure 11 As shown in some embodiments of the utility model, the water curtain mechanism includes the water tank 610, the water curtain pipe assembly 620 and the pump body assembly, the water tank 610 is arranged at the bottom of the frame 100, the water curtain pipe assembly 620 includes the first water pipe 621 and the second water pipe 622 connected to the first water pipe 621, the first water pipe 621 is communicated with the water tank 610 through the pump body assembly, the second water pipe 622 is arranged in the paint spraying cavity 110, and the second water pipe 622 is arranged around the circumference of the bottom plate 130, the second water pipe 622 is provided with a plurality of first water outlets, the plurality of first water outlets are arranged in parallel and spaced apart along the length direction of the second water pipe 622, the water flowing out of the plurality of first water outlets forms a water curtain, which can reduce the situation that paint is attached to the side wall plate 140, so that the paint spraying cavity 110 can be cleaner, thereby reducing the maintenance frequency of the paint spraying machine.

[0063] Specifically, the second water pipe 622 is in U-shaped structure, the second water pipe 622 includes the first pipe section 6221 and the oppositely arranged second pipe section 6222, one end of the two second pipe sections 6222 is respectively communicated with the two ends of the first pipe section 6221, the first pipe section 6221 is located on the side of the first plate body 141 towards the bearing table 200, so that the first water outlets on the first pipe section 6221 can form a water curtain on the side of the first plate body 141 towards the bearing table 200, the second pipe section 6222 is located on the side of the corresponding second plate body 142 towards the bearing table 200, so that the first water outlets on the second pipe section 6222 can form a water curtain on the side of the second plate body 142 towards the bearing table 200, which can reduce the situation that paint is attached to the side wall plate 140, so that the paint spraying cavity 110 can be cleaner, thereby reducing the maintenance frequency of the paint spraying machine.

[0064] It should be noted that the pump body assembly is used to pump the water in the water tank 610 into the first water pipe 621, so that the second water pipe 622 can flow out water from the first water outlet hole to form a water curtain, which is not described in detail here.

[0065] It can be understood that the pump body assembly can be a water pump, which is not limited here.

[0066] Referring to Figure 4 In some embodiments of the present application, a baffle plate 640 is further included, which is connected with the side wall plate 140 and located on the side of the second water pipe 622 away from the side wall plate 140, and the baffle plate 640 is used to shield the second water pipe 622, so as to avoid paint from adhering to the second water pipe 622, thereby improving the service life of the second water pipe 622.

[0067] It should be noted that from top to bottom, the minimum distance between the baffle plate 640 and the inner circumferential surface of the side wall plate 140 gradually decreases, so that the water flowing out of the first water outlet hole can flow to the inner circumferential surface of the side wall plate 140 under the action of the baffle plate 640, so that the water curtain formed by the first water outlet hole can flow on the inner circumferential surface of the side wall plate 140, thereby cleaning the inner circumferential surface of the side wall plate 140.

[0068] Referring to Figure 4 , Figure 9 In some embodiments of the present application, the bottom plate 130 is provided with a drainage channel 101, which is in communication with the water tank 610, so as to form a water circulation, which can not only reduce the water replenishment frequency in the water tank 610, but also reduce the waste of water resources.

[0069] Specifically, the bottom plate 130 includes a third plate body 131 and a fourth plate body 132, which are arranged in a spaced manner in the up-down direction to form the drainage channel 101, and the third plate body 131 is located above the fourth plate body 132, and both the third plate body 131 and the fourth plate body 132 are arranged in a downward inclined manner, which can guide the water flow to the water tank 610, so as to form a water circulation, which can not only reduce the water replenishment frequency in the water tank 610, but also reduce the waste of water resources.

[0070] It should be noted that the water curtain mechanism further includes a third water pipe 623, which is arranged on the side of the fourth plate body 132 facing the bearing table 200, and the third water pipe 623 is provided with a plurality of second water outlet holes arranged in a spaced manner along the axis direction of the third water pipe 623, and the water flowing out of the plurality of second water outlet holes can form a water curtain on the side of the fourth plate body 132 facing the bearing table 200, so as to avoid the side of the fourth plate body 132 facing the bearing table 200 from being contaminated, which is not described in detail here.

[0071] It should be noted that, since the third plate body 131 is located below the first pipe body, the water curtain formed by the first water outlet hole of the first pipe body can cover the side of the third plate body 131 facing the bearing table 200, so as to avoid the side of the third plate body 131 facing the bearing table 200 from being contaminated, which is not described in detail here.

[0072] In some embodiments of the present application, the paint spraying machine further comprises a plurality of trays 410 arranged separately, the trays 410 are movably arranged in the drying cavity 120 to enter or exit the drying cavity 120, the trays 410 are used to support the objects to be dried, and a plurality of objects can be dried at a time, thereby improving the drying efficiency of the paint spraying machine.

[0073] It should be noted that the tray 410 is of a drawer type structure, and a guide rail structure is arranged between the tray 410 and the inner wall of the drying cavity 120, the guide rail structure can guide the tray 410 to move in the direction of entering or exiting the drying cavity 120, thereby improving the moving stability of the tray 410.

[0074] The technical features of the above embodiments can be combined arbitrarily, and in order to make the description concise, all possible combinations of the technical features in the above embodiments are not described, however, as long as the combinations of the technical features do not exist contradictory, they should be considered as the scope of the present application.

[0075] The above embodiments are described in detail in combination with the drawings, but the present application is not limited to the above embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the purpose of the present application.

Claims

1. A paint spraying machine, characterised in that, The utility model relates to a paint spraying machine, which comprises a rack (100) provided with a paint spraying cavity (110) and a drying cavity (120) arranged separately, a carrying table (200) and a paint spraying mechanism (300) arranged in the paint spraying cavity (110), the carrying table (200) being used for carrying articles, and the paint spraying mechanism (300) being used for spraying paint on the surface of the articles on the carrying table (200), a drying assembly (400) arranged in the drying cavity (120) and used for drying the paint on the surface of the articles, and a heat conduction mechanism (500) arranged in the rack (100) and used for guiding the heat in the drying cavity (120) to the paint spraying cavity (110). The heat conduction mechanism (500) comprises a first connecting piece (510), a second connecting piece (520) and a heat conduction pipe (530) arranged between the first connecting piece (510) and the second connecting piece (520), the first connecting piece (510) and the second connecting piece (520) are arranged in the rack (100), the first connecting piece (510) is provided with a first channel communicating with the drying cavity (120), the second connecting piece (520) is provided with a second channel communicating with the paint spraying cavity (110), and the first channel communicates with the second channel through the heat conduction pipe (530). A fan assembly (540) is arranged between the first connecting piece (510) and the heat conduction pipe (530), and the fan assembly (540) is used for guiding the air flow in the drying cavity (120) to the paint spraying cavity (110). The paint spraying mechanism (300) comprises a support (310), a paint spraying head (320) and a driving assembly, the support (310) is connected with the rack (100), the driving assembly is arranged in the support (310), the paint spraying head (320) is arranged in the driving assembly, and the driving assembly is used for driving the paint spraying head (320) to move. The driving assembly comprises a first sliding seat (330) and a second sliding seat (340), the first sliding seat (330) is slidably arranged in the support (310) and connected with a first driving member, the second sliding seat (340) is slidably arranged in the first sliding seat (330) and connected with a second driving member, and the sliding directions of the first sliding seat (330) and the second sliding seat (340) are arranged staggeredly.

2. The paint sprayer of claim 1, wherein, The rack (100) comprises a frame body, a bottom plate (130) and a side wall plate (140), the bottom plate (130) and the side wall plate (140) are arranged in the frame body, the side wall plate (140) is arranged around the periphery of the bottom plate (130), the bottom plate (130) and the side wall plate (140) are arranged to form the paint spraying cavity (110), the carrying table (200) is arranged on the bottom plate (130), and the paint spraying machine further comprises a water curtain mechanism used for generating a water curtain capable of covering the inner circumferential surface of the side wall plate (140).

3. The paint sprayer of claim 2, wherein, ​ 4. The paint sprayer of claim 1, wherein, ​ 5. The paint sprayer of claim 4, wherein, ​ 6. The paint sprayer of claim 1, wherein, ​ 7. The paint sprayer of claim 6, wherein, The water curtain mechanism comprises a water tank (610), a water curtain pipe assembly (620) and a pump body assembly, the water tank (610) is arranged at the bottom of the rack (100), the water curtain pipe assembly (620) comprises a first water pipe (621) and a second water pipe (622) connected to the first water pipe (621), the first water pipe (621) is communicated with the water tank (610) through the pump body assembly, the second water pipe (622) is arranged in the paint spraying cavity (110), and the second water pipe (622) is arranged around the circumference of the bottom plate (130), the second water pipe (622) is provided with a plurality of first water outlets, the plurality of first water outlets are arranged in parallel and spaced apart along the length direction of the second water pipe (622), and the water flowing out of the plurality of first water outlets forms the water curtain.

8. The paint sprayer of claim 7, wherein, Further comprising a baffle (640), the baffle (640) is connected with the side wall plate (140), and the baffle (640) is located on the side of the second water pipe (622) away from the side wall plate (140), and the baffle (640) is used for shielding the second water pipe (622).

9. The paint sprayer of claim 7, wherein, The bottom plate (130) is provided with a drainage channel (101), and the drainage channel (101) is communicated with the water tank (610).

10. The paint sprayer of claim 1, wherein, The paint spraying machine further comprises a plurality of trays (410) arranged in a spaced manner, the trays (410) are movably arranged in the drying cavity (120) to enter or exit the drying cavity (120), and the trays (410) are used for supporting the objects to be dried.

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