Electrostatic spraying device for spraying coating on blood sampling chair part

Abstract

The invention provides an electrostatic spraying device for spraying a coating on a blood sampling chair part, and relates to the technical field of paint spraying, the electrostatic spraying device comprises a spraying box, the front side of the spraying box is rotatably provided with a sealing door through hinge connection; a backflow bin is integrally arranged at the bottom of the spraying box, and a backflow hole is formed in the top of the backflow bin. The rotating tool is fixedly arranged in the middle of the top of the backflow bin; according to the eccentric wheel and the strip-shaped frame in each embodiment, the effect of increasing charges is achieved, the eccentric wheel and the eccentric rod further drive the strip-shaped frame to move up and down in a reciprocating mode, negative charges can be increased through friction between a sliding rod and a hair pad, paint is stirred through a stirring strip and a folded plate, and the negative charges are diffused into the paint; the eccentric wheel drives the silk layer to rub with the glass rod to increase positive charges and input the positive charges to the rotating tool, and the problem that an existing spraying device mainly achieves spraying through single stress and is not provided with a driven structure capable of conveniently and rapidly increasing positive charges and negative charges is solved.

Description

Technical Field

[0001] The present invention relates to the technical field of spray painting, and particularly to an electrostatic spraying device for spraying paint on components of a blood collection chair. Background Art

[0002] The charge carried by a glass rod rubbed with silk is called positive charge, and the charge carried by a rubber rod rubbed with fur is called negative charge. Positive and negative charges will attract each other. The attractive property of charges can be used to improve the adhesion effect for spray painting operations. The outer frame of a blood collection chair needs to be spray painted to seal the metal material and avoid rusting, oxidation and other phenomena.

[0003] However, the currently used spraying devices mainly achieve spraying through a single stress, do not have a driven structure for conveniently and quickly increasing positive and negative charges, do not have an angle control structure for conveniently and quickly adjusting, and cannot provide an automatic control structure for conveniently controlling the automatic circulation of paint. Summary of the Invention

[0004] In view of this, the present invention provides an electrostatic spraying device for spraying paint on components of a blood collection chair, which has a charge concentration function and can respectively increase positive and negative charges and act on the paint and the workpiece to further increase their attraction.

[0005] The present invention provides an electrostatic spraying device for spraying paint on components of a blood collection chair, specifically including: a spraying box, the front side of the spraying box is rotatably provided with a sealing door through a hinge connection; the bottom of the spraying box is integrally provided with a reflux bin, and a reflux hole is opened at the top of the reflux bin; a rotating tooling, the rotating tooling is fixedly arranged in the middle of the top of the reflux bin; a paint box, the paint box is fixedly arranged on the right side of the spraying box; a sealing plate is fixedly arranged on the top of the paint box; a driven bin, the number of driven bins is set to two groups, and the two groups of driven bins are respectively fixedly arranged on the top and the right side of the spraying box; the two groups of driven bins are connected and communicated through pipelines; a rotating pipe rack, the rotating pipe rack is rotatably arranged in the middle of the top driven bin and penetrates through the middle of the top of the spraying box, two groups of inclined pipes are integrally arranged on both sides of the bottom of the rotating pipe rack, and the outer ends of the inclined pipes are hinged with a rotating arm; a hose is connected and communicated between the inclined pipe and the rotating arm, and a spray head is arranged at the bottom end of the rotating arm; a delivery pump, the delivery pump is connected and arranged at the bottom of the right driven bin; an eccentric wheel, the eccentric wheel is rotatably arranged outside the right driven bin; a strip-shaped frame, two groups of sliding rods are fixedly arranged at the bottom of the strip-shaped frame; a tee joint, the tee joint is connected and arranged at the bottom of the delivery pump.

[0006] Optionally, the paint box further includes: sleeves, two groups of sleeves are integrally arranged on the top of the sealing plate, and wool pads are fixedly arranged inside the sleeves; a rubber layer is arranged outside the sliding rod, and the sliding rod is slidably connected with the wool pad, and the friction between the sliding rod and the wool pad can be used to increase negative charges.

[0007] Optionally, the driven bin includes: impellers, which are arranged in the driven bin, and the impellers are all eccentrically arranged. The impeller in the top driven bin is fixedly connected to the rotating pipe rack; an L-shaped channel, one end of the top driven bin is connected with an L-shaped channel, and the top of the L-shaped channel is rotatably connected and communicated with the top end of the rotating pipe rack through a sealed bearing.

[0008] Optionally, the rotating pipe rack further includes: a guiding channel, a guiding channel is fixedly arranged on one side of the inclined pipe, and a lead screw is rotatably arranged in the guiding channel; a nut, a nut is slidably arranged in the guiding channel, and the nut is threadedly connected to the lead screw; a connecting rod, a connecting rod is hinged between the rotating arm and the nut; a worm, a worm is rotatably arranged on one side of the rotating arm, and a worm gear is arranged at one end of the lead screw and is in transmission connection with the worm.

[0009] Optionally, the eccentric wheel includes: an eccentric rod, an eccentric rod is eccentrically arranged on the right side of the eccentric wheel, and the eccentric rod slides inside the eccentric rod; the rotating shaft of the eccentric wheel is fixedly connected to the impeller inside the right side of the driven bin; a silk layer, a silk layer is arranged on the arc surface of the eccentric wheel.

[0010] Optionally, the strip-shaped frame includes: a stirring bar, a stirring bar is fixedly arranged at the bottom end of the sliding rod, and a folding plate is rotatably arranged at the left end of the stirring bar through a hinge connection; the folding plate can rotate 0-90°, and the top edge of the folding plate is a bevel structure.

[0011] Optionally, the three-way pipe includes: a floating valve, the bottom of the three-way pipe is located in the paint tank, and a floating valve is slidably arranged outside the three-way pipe; a check valve, the front branch of the three-way pipe is connected and communicated with the reflux bin, and a check valve is arranged in the front branch of the three-way pipe.

[0012] Optionally, a glass rod is fixedly arranged on the right side of the spraying box, the glass rod is attached to the silk layer, and the glass rod is electrically connected to the rotating tooling.

[0013] Beneficial effects According to the eccentric wheel and the strip-shaped frame of the embodiments of the present invention, the effect of increasing charge is provided. The eccentric wheel and the eccentric rod further drive the strip-shaped frame to reciprocate up and down. The friction between the sliding rod and the wool mat can increase the negative charge. The paint is stirred by the stirring bar and the folding plate and the negative charge is diffused into the paint; the eccentric wheel drives the silk layer to rub against the glass rod to increase the positive charge and input it to the rotating tooling.

[0014] In addition, while the paint is conveyed to the top driven bin, the impeller drives the rotating pipe rack to rotate, and the paint passes through the L-shaped channel and the rotating pipe rack and enters the inclined pipe, and is conveyed to the rotating arm through the hose and sprayed out through the spray head at the bottom of the rotating arm to spray paint on the workpiece. The eccentric wheel and the rotating pipe rack are both automatically rotated by the power generated by conveying the paint, which can save the transmission cost and automatically provide a synchronous effect.

[0015] In addition, rotating the worm drives the lead screw to rotate, the lead screw drives the nut to move, and the nut drives the position of the adjusting link, further enabling the adjustment of the angle between the inclined tube and the rotating arm.

[0016] In addition, when the liquid level in the paint tank drops, the floating valve automatically drops, and finally closes the opening of the three-way pipe. As a result, the suction force of the three-way pipe increases, sucking the paint in the return bin through the one-way valve for spraying, enabling the recycling of the paint and having good environmental protection effects. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings of the embodiments will be briefly introduced below.

[0018] The drawings in the following description only relate to some embodiments of the present invention and do not limit the present invention.

[0019] In the drawings: Figure 1 shows a schematic diagram of the right front axonometric view of the overall device according to an embodiment of the present invention; Figure 2 shows a schematic diagram of the front side elevation of the overall device according to an embodiment of the present invention; Figure 3 shows a schematic diagram of the left front axonometric view of the overall device according to an embodiment of the present invention; Figure 4 shows a schematic diagram of the partial cross-sectional three-dimensional view of the overall device according to an embodiment of the present invention; Figure 5 shows a schematic diagram of the transmission relationship between the driven bin and the rotating pipe rack according to an embodiment of the present invention; Figure 6 shows a schematic diagram of the enlarged structure of part A according to an embodiment of the present invention; Figure 7 shows a schematic diagram of the enlarged structure of part B according to an embodiment of the present invention; Figure 8 shows a schematic diagram of the enlarged structure of part C according to an embodiment of the present invention.

[0020] LIST OF REFERENCE NUMERALS 1. Spraying box; 101. Sealing door; 102. Return flow bin; 2. Rotating tooling; 3. Paint box; 301. Sealing plate; 302. Sleeve; 303. Wool gasket; 4. Driven bin; 401. Impeller; 402. L-shaped channel; 5. Rotating pipe rack; 501. Inclined pipe; 502. Rotating arm; 503. Guide channel; 504. Lead screw; 505. Lead nut; 506. Connecting rod; 507. Worm; 6. Delivery pump; 7. Eccentric wheel; 701. Eccentric rod; 702. Silk layer; 8. Striped frame; 801. Sliding rod; 802. Stirring bar; 803. Folding plate; 9. Three-way pipe; 901. Floating valve; 902. Check valve; 10. Glass rod. Detailed implementation manners

[0021] In order to make the purpose, scheme and advantages of the technical scheme of the present invention clearer, the technical scheme of the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings of the specific embodiments of the present invention. Unless otherwise specified, the terms used herein have the common meanings in the art. The same reference numerals in the drawings represent the same components.

[0022] Embodiment: Please refer to Figures 1 to 8 : The present invention provides an electrostatic spraying device for spraying paint on the components of a blood collection chair, including: a spraying box 1, a sealing door 101 is rotatably arranged on the front side of the spraying box 1 through a hinge connection; a return flow bin 102 is integrally arranged at the bottom of the spraying box 1, and a return flow hole is opened at the top of the return flow bin 102; a rotating tooling 2, the rotating tooling 2 is fixedly arranged in the middle of the top of the return flow bin 102, and an insulating pad is arranged at the bottom of the rotating tooling 2; a paint box 3, the paint box 3 is fixedly arranged on the right side of the spraying box 1; a sealing plate 301 is fixedly arranged at the top of the paint box 3; a driven bin 4, the number of the driven bins 4 is set to two groups, and the two groups of driven bins 4 are respectively fixedly arranged on the top and the right side of the spraying box 1; the two groups of driven bins 4 are connected and communicated through pipes; a rotating pipe rack 5, the rotating pipe rack 5 is rotatably arranged in the middle of the top driven bin 4 and penetrates through the middle of the top of the spraying box 1, two groups of inclined pipes 501 are integrally arranged on both sides of the bottom of the rotating pipe rack 5, and a rotating arm 502 is hinged at the outer end of the inclined pipe 501; the inclined pipe 501 and the rotating arm 502 are connected and communicated through a hose, and a spray head is arranged at the bottom end of the rotating arm 502; a delivery pump 6, the delivery pump 6 is connected and arranged at the bottom of the right driven bin 4; an eccentric wheel 7, the eccentric wheel 7 is rotatably arranged outside the right driven bin 4; a striped frame 8, two groups of sliding rods 801 are fixedly arranged at the bottom of the striped frame 8; a three-way pipe 9, the three-way pipe 9 is connected and arranged at the bottom of the delivery pump 6.

[0023] In addition, according to the embodiments of the present invention, refer to Figure 4 and Figure 7, the lacquer box 3 further includes: sleeves 302, two sets of sleeves 302 are integrally provided at the top of the sealing plate 301, and felt pads 303 are fixedly provided inside the sleeves 302; a rubber layer is provided outside the sliding rod 801, and the sliding rod 801 is slidably connected to the felt pad 303, and the friction between the sliding rod 801 and the felt pad 303 can increase negative charges.

[0024] In addition, according to an embodiment of the present invention, refer to Figure 5 , the driven bin 4 includes: impellers 401, impellers 401 are provided inside the driven bin 4, the impellers 401 are all eccentrically arranged, and the impeller 401 in the top driven bin 4 is fixedly connected to the rotating pipe rack 5; an L-shaped channel 402, one end of the top driven bin 4 is connected with an L-shaped channel 402, and the top of the L-shaped channel 402 is rotatably connected and communicated with the top end of the rotating pipe rack 5 through a sealed bearing, and the rotation of the rotating pipe rack 5 can be further driven by the conveyed paint as power.

[0025] In addition, according to an embodiment of the present invention, refer to Figure 5 and Figure 8 , the rotating pipe rack 5 further includes: a guiding channel 503, a guiding channel 503 is fixedly provided on one side of the inclined pipe 501, and a lead screw 504 is rotatably provided in the guiding channel 503; a nut 505, a nut 505 is slidably provided in the guiding channel 503, and the nut 505 is threadedly connected to the lead screw 504; a connecting rod 506, a connecting rod 506 is hinged between the rotating arm 502 and the nut 505; a worm 507, a worm 507 is rotatably provided on one side of the rotating arm 502, and one end of the lead screw 504 is provided with a worm gear which is in transmission connection with the worm 507; rotating the worm 507 drives the lead screw 504 to rotate, the lead screw 504 drives the nut 505 to move, and the nut 505 drives the position of the adjusting connecting rod 506, and further the included angle between the inclined pipe 501 and the rotating arm 502 can be adjusted.

[0026] In addition, according to an embodiment of the present invention, refer to Figure 4 and Figure 6 , the eccentric wheel 7 includes: an eccentric rod 701, an eccentric rod 701 is eccentrically provided on the right side of the eccentric wheel 7, and the eccentric rod 701 slides inside the eccentric rod 701; the rotating shaft of the eccentric wheel 7 is fixedly connected to the impeller 401 inside the right side of the driven bin 4; a silk layer 702, a silk layer 702 is provided outside the arc surface of the eccentric wheel 7, a glass rod 10 is fixedly provided on the right side of the spraying box 1, the glass rod 10 is in contact with the silk layer 702, and the glass rod 10 is electrically connected to the rotating tooling 2 through a wire; by rubbing the glass rod 10 with the silk layer 702, positive charges can be increased for auxiliary adsorption.

[0027] In addition, according to an embodiment of the present invention, refer to Figure 4, the strip-shaped frame 8 includes: a stirring bar 802, the bottom end of the sliding rod 801 is fixedly provided with a stirring bar 802, and the left end of the stirring bar 802 is rotatably provided with a folding plate 803 through a hinge connection; the folding plate 803 can rotate 0-90°, and the top edge of the folding plate 803 is a bevel structure. By the up and down floating of the stirring bar 802 and the folding plate 803, the paint can be stirred to prevent the paint from naturally solidifying or caking and preserve the liquid characteristics of the paint.

[0028] In addition, according to an embodiment of the present invention, referring to Figure 4 , the three-way pipe 9 includes: a floating valve 901, the bottom of the three-way pipe 9 is located in the paint tank 3, and a floating valve 901 is slidably arranged outside the three-way pipe 9; a one-way valve 902, the front branch of the three-way pipe 9 is connected and communicated with the return bin 102, and a one-way valve 902 is connected and arranged in the front branch of the three-way pipe 9; when the liquid level in the paint tank 3 drops, the floating valve 901 automatically drops to close the opening of the three-way pipe 9, and then the suction force of the three-way pipe 9 increases, sucking out the paint in the return bin 102 through the one-way valve 902 for spraying, so that the paint can be recycled.

[0029] The specific usage mode and function of this embodiment: In the present invention, paint is added inside the paint tank 3 in advance, and then the workpiece of the fitness equipment is installed on the top of the rotating tooling 2, and the sealing door 101 is closed to complete the preset.

[0030] Start the delivery pump 6, the delivery pump 6 first extracts the paint in the paint tank 3 through the three-way pipe 9 and conveys it upward. While the paint passes through the right driven bin 4, it drives the eccentric wheel 7 to rotate in cooperation with the impeller 401. The eccentric wheel 7 and the eccentric rod 701 further drive the strip-shaped frame 8 to move up and down reciprocally. The friction between the sliding rod 801 and the wool mat 303 can increase the negative charge, and the paint is stirred by the stirring bar 802 and the folding plate 803 and the negative charge is diffused into the paint; the eccentric wheel 7 drives the silk layer 702 to rub against the glass rod 10 to increase the positive charge and input it to the rotating tooling 2.

[0031] While the paint is conveyed to the top driven bin 4, it drives the rotating pipe rack 5 to rotate in cooperation with the impeller 401, and the paint passes through the L-shaped channel 402 and the rotating pipe rack 5 and enters the inclined pipe 501, and is conveyed to the rotating arm 502 through a hose and sprayed out through the spray head at the bottom of the rotating arm 502 to spray paint on the workpiece.

[0032] Rotate the worm 507 to drive the lead screw 504 to rotate, the lead screw 504 drives the nut 505 to move, and the nut 505 drives the position of the adjusting link 506, and further the included angle between the inclined pipe 501 and the rotating arm 502 can be adjusted.

[0033] When the liquid level in the paint tank 3 drops, the floating valve 901 automatically descends, and finally closes the opening of the three-way pipe 9. As a result, the suction force of the three-way pipe 9 increases, sucking the paint in the return bin 102 through the one-way valve 902 for spraying, enabling the recycling of the paint and completing the painting operation.

[0034] Finally, it should be noted that when describing the positions of various components and their cooperation relationships, etc., one / a pair of components are usually taken as examples. However, those skilled in the art should understand that such positions, cooperation relationships, etc. equally apply to other components / other pairs of components.

[0035] The above description is only an exemplary embodiment of the present invention and is not used to limit the protection scope of the present invention. The protection scope of the present invention is determined by the appended claims.

Claims

1. An electrostatic spraying device for spraying paint on blood collection chair parts, characterized in that: include: A spray box (1), wherein a sealing door (101) is rotatably provided on the front side of the spray box (1) via a hinge connection; a reflow chamber (102) is integrally provided at the bottom of the spray box (1), and a reflow hole is provided at the top of the reflow chamber (102); A rotating tool (2), wherein the rotating tool (2) is fixedly arranged in the middle of the top of the reflow bin (102); A paint box (3), wherein the paint box (3) is fixedly arranged on the right side of the spray box (1); a sealing plate (301) is fixedly arranged on the top of the paint box (3); The driven bins (4) are provided in two groups, and the two groups of driven bins (4) are respectively fixedly arranged on the top and right side of the spray box (1); the two groups of driven bins (4) are connected and communicated with each other by pipelines; A rotating pipe rack (5), wherein the rotating pipe rack (5) is rotatably arranged in the middle of the top driven bin (4) and passes through the middle of the top of the spray box (1); two groups of inclined pipes (501) are integrally arranged on both sides of the bottom of the rotating pipe rack (5); a rotating arm (502) is hingedly arranged at the outer end of the inclined pipe (501); the inclined pipe (501) and the rotating arm (502) are connected and communicated by a hose, and a spray head is arranged at the bottom end of the rotating arm (502); A delivery pump (6), the delivery pump (6) being connected and arranged at the bottom of the right driven bin (4); An eccentric wheel (7), wherein the eccentric wheel (7) is rotatably arranged on the outside of the right driven bin (4); an eccentric rod (701) is eccentrically arranged on the right side of the eccentric wheel (7), and the eccentric rod (701) slides inside the eccentric rod (701); A bar frame (8), wherein two sets of sliding rods (801) are fixedly arranged at the bottom of the bar frame (8); A three-way pipe (9), wherein the three-way pipe (9) is connected and arranged at the bottom of the delivery pump (6).

2. The electrostatic spraying device for spraying paint on blood collection chair parts as claimed in claim 1, characterized in that: The paint box (3) also includes: The sleeve (302) and the sealing plate (301) are integrally provided with two sets of sleeves (302) on the top, and the inside of each sleeve (302) is fixedly provided with a wool pad (303); the outside of the sliding rod (801) is provided with a rubber layer, and the sliding rod (801) is slidably connected to the wool pad (303).

3. The electrostatic spraying device for spraying paint on blood collection chair parts as claimed in claim 1, characterized in that: The driven bin (4) comprises: An impeller (401), each driven chamber (4) is provided with an impeller (401), each impeller (401) is eccentrically arranged, and the impeller (401) in the top driven chamber (4) is fixedly connected to the rotating pipe frame (5); An L-shaped channel (402) is connected to one end of the top driven bin (4) and is provided with the L-shaped channel (402). The top of the L-shaped channel (402) is rotatably connected and communicated with the top of the rotating pipe rack (5) through a sealed bearing.

4. The electrostatic spraying device for spraying paint on blood collection chair parts as claimed in claim 1, characterized in that: The rotating tube rack (5) also includes: A guide channel (503), wherein a guide channel (503) is fixedly disposed on one side of the inclined tube (501), and a lead screw (504) is rotatably disposed in the guide channel (503); A nut (505) is slidably disposed in the guide channel (503), and the nut (505) is threadedly connected to the lead screw (504); A connecting rod (506) is hingedly provided between the rotating arm (502) and the nut (505); A worm (507) is rotatably provided on one side of the rotating arm (502), and a worm wheel is provided on one end of the lead screw (504) and is transmission-connected to the worm (507).

5. The electrostatic spraying device for spraying paint on blood collection chair parts as claimed in claim 1 or 3, characterized in that: The rotating shaft of the eccentric wheel (7) is fixedly connected to the impeller (401) inside the right side of the driven bin (4); the eccentric wheel (7) also includes: A silk layer (702), wherein the outer portion of the arc surface of the eccentric wheel (7) is provided with a silk layer (702).

6. The electrostatic spraying device for spraying paint on blood collection chair parts as claimed in claim 1, characterized in that: The strip frame (8) includes: A stirring bar (802) is fixedly provided at the bottom end of the sliding rod (801), and a folding plate (803) is rotatably provided at the left end of the stirring bar (802) via a hinge connection; the folding plate (803) can be rotated 0-90 degrees, and the top edge of the folding plate (803) is a bevel structure.

7. The electrostatic spraying device for spraying paint on blood collection chair parts as claimed in claim 1, characterized in that: The three-way pipe (9) comprises: A floating valve (901), the bottom of the three-way pipe (9) is located in the paint box (3), and a floating valve (901) is slidably provided outside the three-way pipe (9); A one-way valve (902), the front branch of the three-way pipe (9) is connected to the reflux bin (102), and the front branch of the three-way pipe (9) is connected to the one-way valve (902).

8. The electrostatic spraying device for spraying paint on blood collection chair parts as claimed in claim 1 or 5, characterized in that: A glass rod (10) is fixedly arranged on the right side of the spray box (1), the glass rod (10) is in contact with the silk layer (702), and the glass rod (10) is connected to the rotating tooling (2) via a wire.

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