Back shielding tool for water-cooled plate spraying

Abstract

The application relates to a back shielding tool for water-cooled plate spraying, which comprises a moving trolley and a supporting frame fixed on the top of the trolley, a shielding plate is fixedly arranged at the top end of the supporting frame, a water-cooled plate is arranged on the side of the shielding plate away from the supporting frame, a plurality of suction cups for fixing the water-cooled plate are fixedly arranged on the shielding plate, the output ends of the plurality of suction cups are commonly connected with a T-shaped pipe, a limiting mechanism for supporting the water-cooled plate is arranged in the middle of the supporting frame, a recovery mechanism for absorbing harmful gas around the water-cooled plate is arranged below the limiting mechanism; by reducing the air pressure above the piston in the adjusting cylinder, the plurality of suction cups can suck the back of the water-cooled plate, when the piston continues to slide downwards, the suction force of the suction cups on the water-cooled plate is increased, at the same time, the roller pushes the L-shaped frame to rotate, the supporting plate is pulled by the first pull rod to separate from the water-cooled plate, the bottom of the water-cooled plate is not shielded during paint spraying, and the spraying efficiency of the water-cooled plate is affected.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of shielding structure, in particular to a back shielding tool for water-cooled plate spraying. BACKGROUND

[0002] In the process of shielding the surface of the automobile exterior part which is not painted, special adhesive tape is often used for manual sticking. After spraying is completed, the adhesive tape with paint attached is manually removed. This process affects the production progress of the part, and a large amount of waste adhesive tape increases the production cost, resulting in low production efficiency and cost waste. Therefore, a solution is needed to solve the above technical problems.

[0003] As disclosed in the patent document CN212943631U, the device cooperates with the positioning plate, the telescopic rod, the clamping rod, the limiting groove, the receiving groove and the shielding cover. The clamping hole on the positioning plate is clamped with the clamping rod to drive the telescopic rod to move downward. The telescopic rod drives the limiting groove to move downward and is fixed with the receiving groove to the product. The back of the product is shielded by the shielding cover to avoid the use of manual sticking of special adhesive tape. After spraying is completed, the adhesive tape with paint attached is manually removed. This process affects the production progress of the part, and a large amount of waste adhesive tape increases the production cost, resulting in low production efficiency and cost waste. The production efficiency is improved, and the cost is saved.

[0004] When spraying insulating paint on the water-cooled plate, the back of the water-cooled plate also needs to be shielded by a shielding plate. The shielding plate in the prior art limits the water-cooled plate by a fixed support. However, when spraying insulating paint, the support easily shields the bottom of the water-cooled plate, affecting the spraying efficiency of the water-cooled plate. At the same time, when spraying insulating paint on the front of the water-cooled plate, a large amount of harmful gas is generated around it. After the spraying operation is completed, the operator may be injured when carrying the water-cooled plate. SUMMARY

[0005] The technical problems solved by the present application are:

[0006] (1) How to solve the problem that the support easily shields the bottom of the water-cooled plate when spraying insulating paint, affecting the spraying efficiency of the water-cooled plate;

[0007] (2) How to solve the problem that the harmful gas generated during spraying causes damage to the operator's body.

[0008] The purpose of the application can be realized by the technical scheme that a back shielding tool for water-cooled plate spraying comprises a moving trolley and a supporting frame fixed on the top of the moving trolley, a shielding plate for shielding insulating paint is fixedly installed at the top end of the supporting frame, a water-cooled plate is arranged on the side of the shielding plate away from the supporting frame, a plurality of suction cups for fixing the water-cooled plate are fixedly inserted on the shielding plate, the output ends of the plurality of suction cups are commonly communicated with a T-shaped pipe, a limiting mechanism for supporting the water-cooled plate is arranged in the middle of the supporting frame, and a recovery mechanism for absorbing harmful gas around the water-cooled plate is arranged below the limiting mechanism.

[0009] The limiting mechanism comprises an adjusting cylinder fixedly connected with the supporting frame, a piston is slidably arranged on the inner wall of the adjusting cylinder, a transmission rod is fixedly connected to the bottom of the piston, a roller is rotatably arranged at the bottom end of the transmission rod and penetrates through the adjusting cylinder, a supporting plate for limiting the position of the water-cooled plate is movably inserted at the bottom of the shielding plate, the supporting plate is arranged transversely, and a transmission unit for driving the supporting plate to move is arranged below the adjusting cylinder.

[0010] Further technical improvements of the application are that a vacuum pump is fixedly arranged on the moving trolley, an air inlet pipe is communicated with the input end of the vacuum pump, the input end of the air inlet pipe is communicated with the bottom of the adjusting cylinder, a control valve is fixedly installed in the middle of the air inlet pipe, and an air suction pipe is fixedly communicated with the air inlet pipe between the control valve and the vacuum pump.

[0011] Further technical improvements of the application are that the transmission unit comprises a first limiting plate fixedly connected with the supporting frame, an L-shaped frame is rotatably arranged at the top of the first limiting plate, a first connecting rod is fixedly installed at one end of the supporting plate away from the water-cooled plate, the first connecting rod is movably connected with one end of the L-shaped frame through a first pulling rod, and the position corresponding to the roller is arranged at the end of the L-shaped frame away from the first pulling rod. The water-cooled plate is placed on the supporting plate, the vacuum pump and the control valve are turned on, the air in the air inlet pipe is exhausted, the piston slides downward, the roller does not contact the L-shaped frame in this process, the air pressure above the piston in the adjusting cylinder is reduced, the plurality of suction cups suck the back of the water-cooled plate, when the piston continues to slide downward, the suction force of the suction cups on the water-cooled plate is increased, at the same time, the roller provides the power for overturning the L-shaped frame, the L-shaped frame is rotated, the first pulling rod pulls the supporting plate, the bottom of the water-cooled plate is separated from the supporting plate, the bottom of the water-cooled plate is not shielded when the paint is sprayed, and the spraying efficiency of the water-cooled plate is affected.

[0012] Further technical improvements of the application are that a guide frame for guiding the first connecting rod is fixedly arranged at the bottom of the shielding plate, a connecting frame is fixedly installed at the bottom of the guide frame, and the connecting frame is elastically connected with the end of the L-shaped frame close to the first pulling rod through a tension spring.

[0013] Further technical improvements of the present application are that the recycling mechanism comprises a filtering tool on the mobile vehicle, the filtering tool is prior art, and an input end of the filtering tool is fixedly connected with an absorption pipe, an input end of the absorption pipe is located below the water cooling plate, an output end of the filtering tool is fixedly connected with a connecting pipe, the connecting pipe corresponds to the position of the air suction pipe, and a lifting plate is slidably arranged between the connecting pipe and the air suction pipe; the L-shaped frame is rotated, the second lever pushes the lifting plate to move downward, so that the through hole is connected with the connecting pipe and the air suction pipe, at this time, the harmful gas generated during paint spraying is absorbed and filtered through the vacuum pump, the filtering tool and the absorption pipe, so as to avoid damage to the operator's body; after the paint spraying operation is completed, the control valve and the vacuum pump are closed, the external air slowly enters the adjusting cylinder through the gap between the transmission rod and the adjusting cylinder, so that the piston slowly resets, and the supporting plate is reset through the tension spring, so as to continue to provide support for the water cooling plate sprayed with insulating paint to prevent it from falling and avoid damage to the water cooling plate.

[0014] Further technical improvements of the present application are that the lifting plate is movably penetrated through the first limiting plate at the top end and is fixedly connected with a second connecting rod, the second connecting rod is movably connected with the L-shaped frame away from one end of the first lever through the second lever, a through hole is formed in the middle of the lifting plate, the inner diameter of the through hole is smaller than the inner diameter of the connecting pipe, and the bottom of the supporting frame is fixedly installed with a second limiting plate for guiding the lifting plate.

[0015] Compared with the prior art, the present application has the following advantages:

[0016] In use, the water cooling plate is placed on the supporting plate, the vacuum pump and the control valve are turned on, the air in the air inlet pipe is pumped out, the piston slides downward, the roller does not contact the L-shaped frame during this process, the air pressure above the piston in the adjusting cylinder is reduced, the plurality of suction cups suck the back of the water cooling plate, when the piston continues to slide downward, the suction force of the suction cups on the water cooling plate is increased, at the same time, the roller provides a turning force to the L-shaped frame, the L-shaped frame is rotated, the supporting plate is pulled away from the bottom of the water cooling plate by the first lever, so as to avoid blocking the bottom of the water cooling plate during paint spraying and affecting the spraying efficiency of the water cooling plate.

[0017] In use, the L-shaped frame is rotated, the second lever pushes the lifting plate to move downward, so that the through hole is connected with the connecting pipe and the air suction pipe, at this time, the harmful gas generated during paint spraying is absorbed and filtered through the vacuum pump, the filtering tool and the absorption pipe, so as to avoid damage to the operator's body; after the paint spraying operation is completed, the control valve and the vacuum pump are closed, the external air slowly enters the adjusting cylinder through the gap between the transmission rod and the adjusting cylinder, so that the piston slowly resets, and the supporting plate is reset through the tension spring, so as to continue to provide support for the water cooling plate sprayed with insulating paint to prevent it from falling and avoid damage to the water cooling plate. BRIEF DESCRIPTION OF DRAWINGS

[0018] For the convenience of those skilled in the art to understand, the present application will be further described below in conjunction with the drawings.

[0019] Figure 1 It is a schematic diagram of the overall structure of the present application.

[0020] Figure 2 It is a schematic diagram of the limiting mechanism structure of the present application.

[0021] Figure 3 It is a schematic diagram of the recovery mechanism structure of the present application. Figure 2 It is an enlarged view of structure A in the present application.

[0022] Figure 4 It is a schematic diagram of the recovery mechanism structure of the present application.

[0023] Figure 5 It is a schematic diagram of the recovery mechanism structure of the present application.

[0024] In the figure: 1, T-shaped pipe; 2, support frame; 3, limiting mechanism; 4, vacuum pump; 5, recovery mechanism; 6, moving vehicle; 7, suction cup; 8, shielding plate; 9, shielding film; 301, adjusting cylinder; 302, piston; 303, air inlet pipe; 304, control valve; 305, air suction pipe; 306, transmission unit; 307, guide frame; 308, support plate; 309, transmission rod; 3061, L-shaped frame; 3062, first limiting plate; 3063, connecting frame; 3064, first connecting rod; 3065, first shifting rod; 501, second limiting plate; 502, filtering tool; 503, absorption pipe; 504, connecting pipe; 505, second shifting rod; 506, second connecting rod; 507, through hole; 508, lifting plate. DETAILED DESCRIPTION

[0025] The technical solutions of the present application will be described below in conjunction with the embodiments, obviously, the described embodiments are only part of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the present application.

[0026] Please refer to Figures 1-5As shown in the figure, a back shielding tool for water-cooled plate spraying includes a moving trolley 6 and a support frame 2 fixed on the top of the moving trolley 6, the top end of the support frame 2 is fixedly provided with a shielding plate 8 for shielding insulating paint, the shielding plate 8 is provided with a water-cooled plate away from the side of the support frame 2, a plurality of suction cups 7 for fixing the water-cooled plate are fixedly inserted on the shielding plate 8, the output ends of the plurality of suction cups 7 are commonly communicated with a T-shaped pipe 1, a limiting mechanism 3 for supporting the water-cooled plate is arranged in the middle of the support frame 2, a recovery mechanism 5 for absorbing harmful gas around the water-cooled plate is arranged below the limiting mechanism 3.

[0027] As shown in the figure Figure 1 and Figure 2 As shown in the figure, the limiting mechanism 3 includes an adjusting cylinder 301 fixedly connected with the support frame 2, a piston 302 is slidably arranged on the inner wall of the adjusting cylinder 301, a transmission rod 309 is fixedly connected to the bottom of the piston 302, the bottom end of the transmission rod 309 is movably penetrated through the adjusting cylinder 301 and rotatably provided with a roller, a support plate 308 for limiting the position of the water-cooled plate is movably inserted at the bottom of the shielding plate 8, the support plate 308 is transversely arranged, and a transmission unit 306 for driving the support plate 308 to move is arranged below the adjusting cylinder 301.

[0028] As shown in the figure Figure 1 and Figure 2 As shown in the figure, the moving trolley 6 is fixedly provided with a vacuum pump 4, the input end of the vacuum pump 4 is communicated with an air inlet pipe 303, the input end of the air inlet pipe 303 is communicated with the bottom of the adjusting cylinder 301, a control valve 304 is fixedly installed in the middle of the air inlet pipe 303, and the air inlet pipe 303 between the control valve 304 and the vacuum pump 4 is fixedly communicated with an air suction pipe 305.

[0029] As shown in the figure Figure 2 and Figure 3As shown, the transmission unit 306 includes a first limiting plate 3062 fixedly connected with the support frame 2, the top of the first limiting plate 3062 is rotatably provided with an L-shaped frame 3061, one end of the support plate 308 away from the water-cooled plate is fixedly provided with a first connecting rod 3064, the first connecting rod 3064 is movably connected with one end of the L-shaped frame 3061 through a first pulling rod 3065, and the end of the L-shaped frame 3061 away from the first pulling rod 3065 corresponds to the position of the roller; the water-cooled plate is placed on the support plate 308, the vacuum pump 4 and the control valve 304 are turned on, and the air in the air inlet pipe 303 is exhausted, so that the piston 302 slides downward, and in this process, the roller does not contact the L-shaped frame 3061, by reducing the air pressure above the piston 302 in the adjusting cylinder 301, the plurality of suction cups 7 suck the back of the water-cooled plate, when the piston 302 continues to slide downward, the suction force of the suction cups 7 on the water-cooled plate is increased, at the same time, the roller provides a turning power to the L-shaped frame 3061, so that the L-shaped frame 3061 rotates, and the first pulling rod 3065 pulls the support plate 308, so that the support plate 308 is separated from the bottom of the water-cooled plate, avoiding that the bottom of the water-cooled plate is shielded when painting, and affecting the painting efficiency of the water-cooled plate.

[0030] Please refer to Figure 3 As shown, the bottom of the shielding plate 8 is fixedly provided with a guide frame 307 for guiding the first connecting rod 3064, the bottom of the guide frame 307 is fixedly provided with a connecting frame 3063, and the connecting frame 3063 is elastically connected with the end of the L-shaped frame 3061 close to the first pulling rod 3065 through a tension spring.

[0031] Please refer to Figure 1 , Figure 4 and Figure 5 As shown, the recycling mechanism 5 includes a filtering tool 502 on the moving trolley 6, the filtering tool 502 is a prior art, the input end of the filtering tool 502 is fixedly communicated with an absorption pipe 503, the input end of the absorption pipe 503 is located below the water-cooled plate, the output end of the filtering tool 502 is fixedly communicated with a connecting pipe 504, the connecting pipe 504 corresponds to the position of the air suction pipe 305, and a lifting plate 508 is slidably arranged between the connecting pipe 504 and the air suction pipe 305; by rotating the L-shaped frame 3061, the lifting plate 508 is pushed downward by the second pulling rod 505, so that the through hole 507 is communicated with the connecting pipe 504 and the air suction pipe 305, at this time, the harmful gas generated during painting is absorbed and filtered by the vacuum pump 4, the filtering tool 502 and the absorption pipe 503, so as to avoid damage to the operator's body; after the painting operation is completed, the control valve 304 and the vacuum pump 4 are closed, the external air slowly enters the adjusting cylinder 301 through the gap between the transmission rod 309 and the adjusting cylinder 301, so that the piston 302 slowly resets, and at the same time, the support plate 308 is reset by the tension spring, and the water-cooled plate painted with insulating paint is continuously supported to prevent it from falling and being damaged.

[0032] As shown in Figure 4 and Figure 5 The top end of the lifting plate 508 is movably penetrated through the first limiting plate 3062 and fixedly connected with the second connecting rod 506, the second connecting rod 506 is movably connected with the L-shaped frame 3061 away from one end of the first lever 3065 through the second lever 505, the middle part of the lifting plate 508 is provided with a through hole 507, the inner diameter of the through hole 507 is smaller than the inner diameter of the connecting pipe 504, and the bottom of the supporting frame 2 is fixedly installed with the second limiting plate 501 for guiding the lifting plate 508.

[0033] As shown in Figure 1 The shielding film 9 is arranged between the shielding plate 8 and the water-cooled plate, and the material of the shielding film 9 is silica gel.

[0034] Working principle: when the present application is used, first, the water-cooled plate is placed on the supporting plate 308, so that the back surface is closely attached to the shielding plate 8, the position of the water-cooled plate is conveniently limited and fixed, the vacuum pump 4 and the control valve 304 are opened, the air in the air inlet pipe 303 is sucked out, so that the piston 302 slides downward, in this process, the roller does not contact the L-shaped frame 3061, the air pressure above the piston 302 in the adjusting cylinder 301 is reduced, so that the plurality of suction cups 7 suck the back surface of the water-cooled plate, when the piston 302 continues to slide downward, the suction force of the suction cups 7 on the water-cooled plate is increased, at the same time, the roller provides the power for overturning the L-shaped frame 3061, so that the L-shaped frame 3061 rotates, the supporting plate 308 is pulled away from the bottom of the water-cooled plate by the first lever 3065, so that the bottom of the water-cooled plate is not shielded during paint spraying, and the spraying efficiency of the water-cooled plate is affected; through the rotation of the L-shaped frame 3061, the second lever 505 pushes the lifting plate 508 to move downward, so that the through hole 507 connects the connecting pipe 504 and the air suction pipe 305, at this time, the harmful gas generated during paint spraying is absorbed and filtered through the vacuum pump 4, the filtering tool 502 and the absorption pipe 503, so as to avoid damage to the operator's body; after the paint spraying operation is completed, the control valve 304 and the vacuum pump 4 are closed, the external air slowly enters the adjusting cylinder 301 through the gap between the transmission rod 309 and the adjusting cylinder 301, so that the piston 302 slowly resets, at the same time, the supporting plate 308 is reset by the tension spring, the water-cooled plate sprayed with insulating paint is continuously supported to prevent it from falling off, and damage to the water-cooled plate is avoided.

[0035] In order to further illustrate the technical means and effects adopted by the present application to achieve the predetermined invention purpose, the specific embodiments, structures, features and effects according to the present application will be described in detail below in combination with the drawings and preferred embodiments.

[0036] The above merely describes the preferred embodiments of the present application, and is not intended to limit the present application in any form. Although the present application has been disclosed with the preferred embodiments as above, it is not intended to limit the present application. Any person skilled in the art can make some changes or modifications to the above disclosed technical content to obtain equivalent embodiments with equivalent changes, as long as the changes or modifications do not deviate from the technical solution of the present application. Any modification, change, equivalent change and modification of the above embodiments made according to the technical essence of the present application still belong to the scope of the technical solution of the present application.

Claims

1. A back shielding tool for water-cooled plate spraying, comprising a moving trolley (6) and a support frame (2) fixed on the top of the trolley, characterized in that: The top end of the support frame (2) is fixedly provided with a shielding plate (8) for shielding insulation paint, the shielding plate (8) is provided with a water cooling plate away from the side surface of the support frame (2), a plurality of suction cups (7) for fixing the water cooling plate are fixedly inserted on the shielding plate (8), the output ends of the plurality of suction cups (7) are commonly communicated with a T-shaped pipe (1), the middle part of the support frame (2) is provided with a limiting mechanism (3) for supporting the water cooling plate, and the lower part of the limiting mechanism (3) is provided with a recovery mechanism (5) for absorbing harmful gas around the water cooling plate. The limiting mechanism (3) comprises an adjusting cylinder (301) fixedly connected with the support frame (2), a piston (302) slidably arranged on the inner wall of the adjusting cylinder (301), a transmission rod (309) fixedly connected to the bottom of the piston (302), and a roller rotatably arranged at the bottom end of the transmission rod (309) and penetrating through the adjusting cylinder (301), and the bottom of the shielding plate (8) is movably inserted with a supporting plate (308) for limiting the position of the water cooling plate, the supporting plate (308) is transversely arranged, and a transmission unit (306) for driving the supporting plate (308) to move is arranged below the adjusting cylinder (301). The transmission unit (306) comprises a first limiting plate (3062) fixedly connected with the support frame (2), an L-shaped frame (3061) rotatably arranged on the top of the first limiting plate (3062), a first connecting rod (3064) fixedly arranged at one end of the supporting plate (308) away from the water cooling plate, and one end of the L-shaped frame (3061) movably connected with the first connecting rod (3064) through a first shifting rod (3065), and the other end of the L-shaped frame (3061) away from the first shifting rod (3065) corresponds to the position of the roller. A guide frame (307) for guiding the first connecting rod (3064) is fixedly arranged on the bottom of the shielding plate (8), a connecting frame (3063) is fixedly arranged on the bottom of the guide frame (307), and the connecting frame (3063) is elastically connected with one end of the L-shaped frame (3061) close to the first shifting rod (3065) through a tension spring.

2. The back shielding tool for water-cooling plate spraying according to claim 1, characterized in that, A vacuum pump (4) is fixedly arranged on the moving trolley (6), an air inlet pipe (303) is in communication with the input end of the vacuum pump (4), the input end of the air inlet pipe (303) is in communication with the bottom of the adjusting cylinder (301), a control valve (304) is fixedly arranged on the middle part of the air inlet pipe (303), and a suction pipe (305) is fixedly communicated with the air inlet pipe (303) between the control valve (304) and the vacuum pump (4).

3. The back shielding tool for water-cooling plate spraying according to claim 1, characterized in that, The recovery mechanism (5) comprises a filtering tool (502) arranged on the moving trolley (6), an absorption pipe (503) is fixedly communicated with the input end of the filtering tool (502), the input end of the absorption pipe (503) is below the water cooling plate, a connecting pipe (504) is fixedly communicated with the output end of the filtering tool (502), the connecting pipe (504) corresponds to the position of the suction pipe (305), and a lifting plate (508) is slidably arranged between the connecting pipe (504) and the suction pipe (305).

4. The back shielding tool for water-cooling plate spraying according to claim 3, characterized in that, The top end of the lifting plate (508) is movably penetrated through the first limiting plate (3062) and is fixedly connected with the second connecting rod (506), one end of the second connecting rod (506) is movably connected with the L-shaped frame (3061) through the second shifting rod (505) and away from the first shifting rod (3065), the middle part of the lifting plate (508) is provided with the through hole (507), the inner diameter of the through hole (507) is smaller than the inner diameter of the connecting pipe (504), and the bottom of the supporting frame (2) is fixedly installed with the second limiting plate (501) for guiding the lifting plate (508).

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