CN112958307B - Electrostatic spraying equipment for inner wall of tubular electromechanical part - Google Patents
Electrostatic spraying equipment for inner wall of tubular electromechanical part Download PDFInfo
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- CN112958307B CN112958307B CN202110135262.9A CN202110135262A CN112958307B CN 112958307 B CN112958307 B CN 112958307B CN 202110135262 A CN202110135262 A CN 202110135262A CN 112958307 B CN112958307 B CN 112958307B
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- threaded rod
- block
- column
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B5/00—Electrostatic spraying apparatus; Spraying apparatus with means for charging the spray electrically; Apparatus for spraying liquids or other fluent materials by other electric means
- B05B5/08—Plant for applying liquids or other fluent materials to objects
- B05B5/12—Plant for applying liquids or other fluent materials to objects specially adapted for coating the interior of hollow bodies
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B12/00—Arrangements for controlling delivery; Arrangements for controlling the spray area
- B05B12/08—Arrangements for controlling delivery; Arrangements for controlling the spray area responsive to condition of liquid or other fluent material to be discharged, of ambient medium or of target ; responsive to condition of spray devices or of supply means, e.g. pipes, pumps or their drive means
- B05B12/084—Arrangements for controlling delivery; Arrangements for controlling the spray area responsive to condition of liquid or other fluent material to be discharged, of ambient medium or of target ; responsive to condition of spray devices or of supply means, e.g. pipes, pumps or their drive means responsive to condition of liquid or other fluent material already sprayed on the target, e.g. coating thickness, weight or pattern
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B13/00—Machines or plants for applying liquids or other fluent materials to surfaces of objects or other work by spraying, not covered by groups B05B1/00 - B05B11/00
- B05B13/06—Machines or plants for applying liquids or other fluent materials to surfaces of objects or other work by spraying, not covered by groups B05B1/00 - B05B11/00 specially designed for treating the inside of hollow bodies
- B05B13/0627—Arrangements of nozzles or spray heads specially adapted for treating the inside of hollow bodies
- B05B13/0636—Arrangements of nozzles or spray heads specially adapted for treating the inside of hollow bodies by means of rotatable spray heads or nozzles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B13/00—Machines or plants for applying liquids or other fluent materials to surfaces of objects or other work by spraying, not covered by groups B05B1/00 - B05B11/00
- B05B13/06—Machines or plants for applying liquids or other fluent materials to surfaces of objects or other work by spraying, not covered by groups B05B1/00 - B05B11/00 specially designed for treating the inside of hollow bodies
- B05B13/0645—Machines or plants for applying liquids or other fluent materials to surfaces of objects or other work by spraying, not covered by groups B05B1/00 - B05B11/00 specially designed for treating the inside of hollow bodies the hollow bodies being rotated during treatment operation
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B16/00—Spray booths
- B05B16/20—Arrangements for spraying in combination with other operations, e.g. drying; Arrangements enabling a combination of spraying operations
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B5/00—Electrostatic spraying apparatus; Spraying apparatus with means for charging the spray electrically; Apparatus for spraying liquids or other fluent materials by other electric means
- B05B5/08—Plant for applying liquids or other fluent materials to objects
- B05B5/081—Plant for applying liquids or other fluent materials to objects specially adapted for treating particulate materials
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B5/00—Electrostatic spraying apparatus; Spraying apparatus with means for charging the spray electrically; Apparatus for spraying liquids or other fluent materials by other electric means
- B05B5/08—Plant for applying liquids or other fluent materials to objects
- B05B5/082—Plant for applying liquids or other fluent materials to objects characterised by means for supporting, holding or conveying the objects
Abstract
The invention discloses electrostatic spraying equipment for the inner wall of a tubular electromechanical part, which comprises a powder feeder, an air supply device, a spraying unit and a spraying unit, wherein the powder feeder is communicated with a feed inlet of a first air pipe; a first valve is arranged on the first air pipe, a second valve is arranged on the second air pipe, a clamping unit is rotatably arranged below the L-shaped supporting frame, and a control unit is arranged between the first valve and the second valve; the lower part of the L-shaped support frame can be rotatably lifted and lowered to be provided with a spraying unit, and the lifting path of a spray gun of the spraying unit can be positioned in the tubular part. This application can carry out the spraying to the part inner wall through the spraying unit that sets up the lift, opens in proper order through setting up steerable first valve of control unit and second valve, realizes earlier spouting the preheating of carrying out the part inner wall of part, carries out electrostatic spraying again, has guaranteed electrostatic spraying's quality.
Description
Technical Field
The invention relates to the field of electromechanical plastic spraying, in particular to electrostatic spraying equipment for the inner wall of a tubular electromechanical part.
Background
Electrostatic spraying refers to a coating method in which atomized coating is negatively charged under the action of a high-voltage direct-current electric field by utilizing a corona discharge principle and is adsorbed on the surface of a positively charged substrate for discharge. The electrostatic spraying equipment consists of a spray gun, a spray cup, an electrostatic spraying high-voltage power supply and the like. With the increasing demand and the increasing attention on environmental protection, the application range of electrostatic spraying is increasingly expanded, and the electrostatic spraying technology can be adopted in industries such as large-scale railway carriages, automobiles and tractors, to small-scale workpieces, toys, household appliances and the like. The existing electrostatic spraying equipment only sprays parts through a single rotating part or a rotating spray head, so that the spraying time is long and the efficiency is low; the existing electrostatic spraying equipment only polishes parts once, and the polishing effect is poor; the existing electrostatic spraying equipment controls the coating by standing and falling off the coating particles, and the coating particles on the surface have insufficient adsorption force, so that the coating thickness is not uniform, and the spraying quality is influenced.
Disclosure of Invention
The invention aims to provide electrostatic spraying equipment for the inner wall of a tubular electromechanical part, which is used for carrying out electrostatic spraying on the inner wall of the tubular part.
The invention is realized by the technical scheme, which comprises an L-shaped support frame, a powder feeder and an air supply device, wherein the powder feeder and the air supply device are fixedly connected to the upper end surface of the L-shaped support frame;
the first air pipe is provided with a first valve handle facing downwards in a closed state, the second air pipe is provided with a second valve handle facing downwards in the closed state, the first valve and the second valve are both arranged on the side wall of the L-shaped support frame, a clamping unit capable of clamping the outer wall of the tubular part is rotatably arranged below the L-shaped support frame, a control unit is arranged on the L-shaped support frame between the first valve handle of the first valve and the second valve handle of the second valve, and the clamping unit can drive the control unit to control the first valve and the second valve to be opened in sequence through rotation;
the lower part of the L-shaped support frame can also be rotatably lifted and lowered to be provided with a spraying unit, the lifting path of a spray gun of the spraying unit can be positioned in the tubular part, and the rotating lifting direction of the spraying unit is parallel to the axial direction of a rotating shaft of the clamping unit.
Preferably, the clamping unit comprises a hollow rotating column and a mounting ring;
the lower end face of the L-shaped support frame top plate is rotatably provided with a hollow rotating column, the axis of the hollow rotating column is perpendicular to the lower end face of the L-shaped support frame top plate, the lower end face of the hollow rotating column is coaxially provided with an installation ring, the lower end face of the installation ring is provided with a first clamping assembly and a second clamping assembly, and the first clamping assembly and the second clamping assembly are symmetrical relative to the axis of the installation ring;
the first clamping assembly and the second clamping assembly respectively comprise a clamping block, an installation block and a first threaded rod;
the lower end face of the mounting ring is slidably provided with a clamping block, and the outer wall of the tubular part can be clamped by a first clamping block of the first clamping assembly and a second clamping block of the second clamping assembly;
the lower end face of the mounting ring is also provided with a mounting block, the mounting block is positioned on one side of the clamping block away from the tubular part, one end of the first threaded rod is rotatably connected with the outer wall of the clamping block, and the other end of the first threaded rod penetrates through the left side wall and the right side wall of the mounting block and is in threaded connection with the mounting block; the hollow rotating column can drive the control unit to control the first valve and the second valve to be opened in sequence through rotation.
Preferably, the control unit comprises a first gear, a rack, a first push block, a second push block, a first chute, a first spring and a second spring;
the hollow rotating column is provided with a first gear which is meshed with a rack, the rack is arranged in a first sliding groove in a sliding manner, a first valve handle of a first valve and a second valve handle of a second valve are arranged on the guide stroke of the first sliding groove, the first sliding groove is formed in the lower end face of a top plate of the L-shaped support frame, a first push block and a second push block in an initial state are arranged between the first valve and the second valve, the first push block is close to the first valve and can correspond to the first valve handle of the first valve, the second push block is close to the second valve and can correspond to the second valve handle of the second valve, the first push block and the second push block are connected to the rack, the left side wall of the rack is connected with one end of a first spring, the other end of the first spring can be in contact with the left side wall of the first sliding groove, the right side wall of the rack is connected with one end of a second spring, and the other end of the second spring can be in contact with the right side wall of the first sliding groove;
the maximum displacement of the rack which can move leftwards in the first sliding groove in the initial state is a, the distance between the first push block and the first valve handle of the first valve in the initial state is b, and a is greater than b is greater than 0;
the maximum displacement of the rack which can move rightwards in the first sliding chute in the initial state is m, the distance between the second push block and a second valve handle of a second valve in the initial state is n, and m > n >0.
Preferably, the spraying unit comprises a mounting plate, a motor, a second gear, a third gear, a hollow threaded rod, a rotating wheel and a guide rod;
the axis of the hollow threaded rod coincides with the axis of the tubular part, the hollow threaded rod comprises a threaded section and a rotating section, the threaded section is positioned above the rotating section, the threaded section of the hollow threaded rod sequentially penetrates through the mounting ring and the middle and middle idle moving columns and is in threaded connection with the top plate of the L-shaped support frame, the rotating section of the hollow threaded rod rotatably penetrates through the mounting plate and extends out of the lower end face of the mounting plate, a motor is arranged on the mounting plate, an output shaft of the motor is perpendicular to the upper end face of the mounting plate and is provided with a second gear, the second gear is meshed with a third gear, the third gear is arranged on the hollow threaded rod, a motor shaft of the motor rotatably penetrates through the upper end face and the lower end face of the mounting plate downwards and is provided with a rotating wheel, an outer circle of the rotating wheel can be attached to the inner wall of the tubular part, the upper end face of the guide rod sequentially penetrates through the mounting ring and the middle and middle idle moving columns and slidably penetrates through the top plate of the L-shaped support frame, the lower end face of the guide rod is connected with the motor, and the axis of the guide rod is parallel to the axis of the hollow threaded rod;
the spraying unit also comprises an electrostatic spraying component, a grinding component and a recycling component;
the utility model discloses a tubular part, including the trachea, the tubular part is equipped with the grinding head, the subassembly of polishing is located the mounting panel below and sets up on the rotation section outer wall of cavity threaded rod, the grinding head of the subassembly of polishing can be corresponding with tubulose part inner wall, the electrostatic spraying subassembly is located the subassembly below of polishing and sets up on the cavity threaded rod, the feed inlet intercommunication cavity threaded rod's of electrostatic spraying subassembly discharge gate, the up end of cavity threaded rod and the rotatable intercommunication of the tracheal export of third, it sets up in the electrostatic spraying subassembly below to retrieve the subassembly, mounting panel, electrostatic spraying subassembly, the subassembly of polishing and the lift route of retrieving the subassembly all can pass in the tubulose part.
Preferably, the polishing assembly comprises a plurality of polishing modules, the polishing modules are circularly arrayed around the axis of the hollow threaded rod and are connected to the rotating section of the hollow threaded rod, and each polishing module comprises a polishing block, an installation column, a guide column, a limiting column, a second chute, a second threaded rod, a first limiting block, a screwing column, a third spring, a second limiting block and a through groove;
the polishing block can correspond to the inner wall of the tubular part, the polishing block is connected with an installation column, a second chute is formed in the installation column along the axis direction of the installation column, a limiting column is arranged in the second chute in a sliding manner on one side far away from the polishing block, a guide column is connected on one side far away from the polishing block, the other end of the guide column slidably penetrates through the inner wall and the outer wall of the installation column and is connected to a rotating section of the hollow threaded rod, a second limiting block is further arranged in the second chute in a sliding manner and is positioned between the limiting column and the polishing block, and the second limiting block is connected with the limiting column through a third spring;
the utility model discloses a polishing device, including first spout, second spout, first stopper, second stopper, first stopper, second threaded rod, first stopper, second stopper, the axis of twisting the post coincides mutually with the axis of second threaded rod, the logical groove that runs through the inner and outer wall of erection column is still seted up along second spout direction on the second spout, it has first stopper to lead to groove top, the terminal surface is connected with the second threaded rod under the first stopper, the terminal surface still can be corresponding with the erection column outer wall under the first stopper, the terminal surface passes logical groove and second stopper threaded connection under the second threaded rod, first stopper up end is connected with twists the post, the axis of twisting the post coincides mutually there is the electrostatic spraying subassembly below the polishing block.
Preferably, the polishing assembly further comprises a circular polishing sponge, the circular polishing sponge is arranged on the outer wall of the rotating section of the hollow threaded rod below the polishing block, and the outer wall of the circular polishing sponge can correspond to the inner wall of the tubular part.
Preferably, the electrostatic spraying component comprises an electrostatic sprayer, a cylinder, a cavity and a steel pipe;
the utility model discloses an electrostatic spraying device, including cylinder, cavity, cylindrical axis and hollow threaded rod, terminal surface under the cavity threaded rod is connected to cylinder up end, the cavity has been seted up in the cylinder, the axis coincidence of cylindrical axis and hollow threaded rod, the discharge gate of hollow threaded rod runs through cylinder inside and outside wall and communicates the cavity, the steel pipe up end runs through cylinder inside and outside wall and communicates the cavity, the axis and the cylindrical axis of steel pipe parallel, terminal surface and electrostatic spraying ware's feed inlet intercommunication under the steel pipe, electrostatic spraying ware's shower nozzle can be corresponding with the tubulose part inner wall, cylindrical diameter is less than the internal diameter of tubulose part.
Preferably, the recovery assembly comprises a support column and an electrostatic adsorber;
the support column upper end face is connected with the lower end face of the cylinder, the lower end face of the support column is connected with the electrostatic adsorber, the axis of the support column coincides with the axis of the cylinder, and the electrostatic adsorber can extend into the tubular part.
After adopting the structure, compared with the prior art, the invention has the following advantages:
1. according to the electrostatic spraying device, the motor rotates forwards to drive the second gear to rotate forwards, so that the rotating wheel is driven to rotate forwards, the tubular part is driven to rotate forwards by attaching the rotating wheel to the inner wall of the tubular part, the third gear is driven to rotate backwards by meshing the second gear with the third gear, so that the hollow threaded rod is driven to rotate backwards to drive the electrostatic spraying device to rotate backwards, the electrostatic spraying device and the inner wall of the tubular part rotate oppositely and reversely, the spraying time is saved, and the spraying efficiency is improved;
2. according to the tubular part polishing device, the motor is arranged to rotate forwards to drive the second gear to rotate forwards, so that the rotating wheel is driven to rotate forwards, the tubular part is driven to rotate forwards by attaching the rotating wheel to the inner wall of the tubular part, the third gear is driven to rotate backwards by meshing the second gear with the third gear, so that the hollow threaded rod is driven to rotate backwards to drive the polishing assembly to rotate backwards, the relative reverse rotation of the polishing assembly and the inner wall of the tubular part is realized, and the polishing efficiency is improved;
3. according to the electrostatic spraying device, the inner wall of the tubular part is sequentially polished by arranging the polishing block and the circular polishing sponge, so that the polishing quality is improved, and the electrostatic spraying quality is improved;
4. when the initial position of the spraying unit is close to the mounting ring, the inner wall of the tubular part can be firstly lowered to the bottom of the tubular part by polishing, in the process of lowering the spraying unit, the hollow threaded rod can rotate forwards, the tubular part can rotate backwards, the hollow rotating column drives the rack to move leftwards through the meshing of the first gear and the rack, the first valve can be opened through the first push block, the inner wall of the tubular part can be blown, the temperature of the inner wall of the tubular part is controlled, the electrostatic spraying quality is improved, meanwhile, the polishing block and the circular polishing sponge can be driven by lowering the spraying unit to polish the inner wall of the tubular part for multiple times, the electrostatic spraying quality is improved, the second valve can be opened to supply powder in the process of raising the spraying unit, the inner wall of the tubular part is sprayed, the first valve and the second valve are opened in sequence, the gas supply device and the powder supply device are fully utilized, and the utilization rate of the device is improved;
5. according to the electrostatic spraying device, the rotating wheel is arranged, so that the tubular part can be driven to rotate while electrostatic spraying is carried out, coating particles with small static electricity on the surface of a coating and poor adsorptivity can be thrown off, and the electrostatic spraying quality is improved;
6. by arranging the third spring and the second limiting block, the polishing pressure of the polishing block on the inner wall of the tubular part can be adjusted, and the polishing device can be suitable for polishing under various conditions;
7. this application is through setting up pivoted static adsorber, and the homogeneity of the thickness of coating is ensured to accessible static adsorption affinity, has promoted the quality of spraying.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof.
Drawings
The drawings of the invention are illustrated below.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a bottom view of the control unit of the present invention;
FIG. 3 is a right side view of the present invention;
FIG. 4 isbase:Sub>A cross-sectional view taken at A-A of the present invention;
FIG. 5 is a partial enlarged view of the invention at B;
FIG. 6 is an enlarged view of a portion of the present invention at C;
FIG. 7 is an enlarged view of a portion of the present invention at D;
FIG. 8 is an enlarged view of a portion of the present invention at E;
FIG. 9 is a schematic view of the painting unit of the present invention;
fig. 10 is a schematic connection diagram of the second threaded rod, the first limiting block and the screwing column of the present invention.
In the figure: 1.L-shaped support frame; 2. a powder supply device; 3. a gas supply device; 4. a first air pipe; 5. a second air pipe; 6. a third air pipe; 7. a first valve; 8. a second valve; 9. a hollow rotating column; 10. a mounting ring; 11. a clamping block; 12. mounting a block; 13. a first threaded rod; 14. a first gear; 15. a rack; 16. a first push block; 17. a second push block; 18. a first chute; 19. a first spring; 20. a second spring; 21. mounting a plate; 22. a motor; 23. a second gear; 24. a third gear; 25. a hollow threaded rod; 26. a rotating wheel; 27. a guide rod; 28. grinding blocks; 29. mounting a column; 30. a guide post; 31. a limiting post; 32. a second chute; 33. a second threaded rod; 34. a first stopper; 35. screwing the column; 36. a third spring; 37. a second limiting block; 38. a through groove; 39. circular polishing sponge; 40. an electrostatic sprayer; 41. a cylinder; 42. a cavity; 43. a steel pipe; 44. a support column; 45. an electrostatic adsorber; 46. a tubular part; 47. a first clamping block; 48. and a second clamping block.
Detailed Description
The invention is further illustrated by the following examples in conjunction with the drawings.
As shown in fig. 1 to 10, an electrostatic spraying device for the inner wall of a tubular electromechanical part comprises an L-shaped support frame 1, a powder feeder 2 and a gas supply device 3, wherein the powder feeder 2 and the gas supply device 3 are fixedly connected to the upper end surface of the L-shaped support frame 1, a discharge port of the powder feeder 2 is communicated with a feed port of a first gas pipe 4, an air outlet of the gas supply device 3 is communicated with an air inlet of a second gas pipe 5, the discharge port of the first gas pipe 4, an air outlet of the second gas pipe 5 and an inlet of a third gas pipe 6 are communicated through a three-way joint, and an outlet of the third gas pipe 6 is communicated with a feed port of a spraying unit; the first air pipe 4 is provided with a first valve 7 with a downward first valve handle in a closed state, the second air pipe 5 is provided with a second valve 8 with a downward second valve handle in a closed state, the first valve 7 and the second valve 8 are both arranged on the side wall of the L-shaped support frame 1, a clamping unit capable of clamping the outer wall of the tubular part 46 is rotatably arranged below the L-shaped support frame 1, a control unit is arranged on the L-shaped support frame 1 between the first valve handle of the first valve 7 and the second valve handle of the second valve 8, and the clamping unit can drive the control unit to control the first valve 7 and the second valve 8 to be opened in sequence through rotation; a spraying unit is arranged below the L-shaped support frame 1 and can be lifted in a rotating mode, the lifting path of a spray gun of the spraying unit can be located in the tubular part 46, and the rotating lifting direction of the spraying unit is parallel to the axial direction of the rotating shaft of the clamping unit.
The clamping unit comprises a hollow rotating column 9 and a mounting ring 10; the lower end face of the top plate of the L-shaped support frame 1 is rotatably provided with a hollow rotating column 9, the axis of the hollow rotating column 9 is vertical to the lower end face of the top plate of the L-shaped support frame 1, the lower end face of the hollow rotating column 9 is coaxially provided with an installation ring 10, the lower end face of the installation ring 10 is provided with a first clamping assembly and a second clamping assembly, and the first clamping assembly and the second clamping assembly are symmetrical relative to the axis of the installation ring 10; the first clamping assembly and the second clamping assembly respectively comprise a clamping block 11, an installation block 12 and a first threaded rod 13; the lower end face of the mounting ring 10 is slidably provided with a clamping block 11, and a first clamping block 47 of the first clamping assembly and a second clamping block 48 of the second clamping assembly can clamp the outer wall of the tubular part 46; the lower end face of the mounting ring 10 is further provided with a mounting block 12, the mounting block 12 is located on one side, away from the tubular part 46, of the clamping block 11, one end of the first threaded rod 13 is rotatably connected with the outer wall of the clamping block 11, and the other end of the first threaded rod 13 penetrates through the left side wall and the right side wall of the mounting block 12 and is in threaded connection with the mounting block 12; the hollow rotating column 9 can drive the control unit to control the first valve 7 and the second valve 8 to be opened in sequence through rotation.
The control unit comprises a first gear 14, a rack 15, a first push block 16, a second push block 17, a first chute 18, a first spring 19 and a second spring 20; a first gear 14 is arranged on the hollow rotating column 9, the first gear 14 is meshed with a rack 15, the rack 15 is arranged in a first sliding groove 18 in a sliding manner, a first valve handle of a first valve 7 and a second valve handle of a second valve 8 are arranged on the guide stroke of the first sliding groove 18, the first sliding groove 18 is arranged on the lower end surface of the top plate of the L-shaped support frame 1, a first push block 16 and a second push block 17 in an initial state are arranged between the first valve 7 and the second valve 8, the first push block 16 is close to the first valve 7 and can correspond to the first valve handle of the first valve 7, the second push block 17 is close to the second valve 8 and can correspond to the second valve handle of the second valve 8, the first push block 16 and the second push block 17 are both connected to the rack 15, the left side wall of the rack 15 is connected with one end of a first spring 19, the other end of the first spring 19 can be contacted with the left side wall of the first sliding groove 18, the right side wall of the rack 15 is connected with one end of a second spring 20, and the other end of the second spring 20 can be contacted with the right side wall of the first sliding groove 18; the maximum displacement of the rack 15 which can move leftwards in the first chute 18 in the initial state is a, the distance between the first push block 16 and the first valve handle of the first valve 7 in the initial state is b, and a > b >0;
the maximum displacement of the rack 15 that can move rightward in the first slide groove 18 in the initial state is m, and the distance between the second push block 17 and the second valve handle of the second valve 8 in the initial state is n, where m > n >0.
The spraying unit comprises a mounting plate 21, a motor 22, a second gear 23, a third gear 24, a hollow threaded rod 25, a rotating wheel 26 and a guide rod 27; the axis of the hollow threaded rod 25 coincides with the axis of the tubular part 46, the hollow threaded rod 25 comprises a threaded section and a rotating section, the threaded section is positioned above the rotating section, the threaded section of the hollow threaded rod 25 sequentially penetrates through the mounting ring 10 and the hollow rotating column 9 and is in threaded connection with the top plate of the L-shaped support frame 1, the rotating section of the hollow threaded rod 25 rotatably penetrates through the mounting plate 21 and extends out of the lower end face of the mounting plate 21, the mounting plate 21 is provided with a motor 22, the output shaft of the motor 22 is perpendicular to the upper end face of the mounting plate 21 and is provided with a second gear 23, the second gear 23 is meshed with a third gear 24, the third gear 24 is arranged on the hollow threaded rod 25, the motor 22 of the motor 22 axially and rotatably penetrates through the upper end face and the lower end face of the mounting plate 21 and is provided with a rotating wheel 26, the outer circle of the rotating wheel 26 can be attached to the inner wall of the tubular part 46, the upper end face of the guide rod 27 sequentially penetrates through the mounting ring 10 and the hollow rotating column 9 and slidably penetrates through the top plate of the L-shaped support frame 1, the lower end face of the guide rod 27 is connected with the motor 22, and the axis of the guide rod 27 is parallel to the axis of the hollow threaded rod 25; the spraying unit also comprises an electrostatic spraying component, a grinding component and a recovery component; the subassembly of polishing is located mounting panel 21 below and sets up on the rotation section outer wall of hollow threaded rod 25, the polishing head of the subassembly of polishing can be corresponding with tubulose part 46 inner wall, the electrostatic spraying subassembly is located the subassembly of polishing below and sets up on hollow threaded rod 25, the discharge gate of electrostatic spraying subassembly's feed inlet intercommunication hollow threaded rod 25, the rotatable intercommunication in the up end of hollow threaded rod 25 and the export of third trachea 6, it sets up in the electrostatic spraying subassembly below to retrieve the subassembly, mounting panel 21, electrostatic spraying subassembly, the subassembly of polishing and the lift route of retrieving the subassembly all can pass in tubulose part 46.
The polishing assembly comprises a plurality of polishing modules, the polishing modules are circularly arrayed around the axis of the hollow threaded rod 25 and are connected to the rotating section of the hollow threaded rod 25, and each polishing module comprises a polishing block 28, an installation column 29, a guide column 30, a limiting column 31, a second sliding groove 32, a second threaded rod 33, a first limiting block 34, a screwing column 35, a third spring 36, a second limiting block 37 and a through groove 38; the polishing block 28 can correspond to the inner wall of the tubular part 46, the polishing block 28 is connected with an installation column 29, a second sliding groove 32 is formed in the installation column 29 along the axial direction of the installation column 29, a limiting column 31 is arranged in the second sliding groove 32 in a sliding mode on one side far away from the polishing block 28, a guide column 30 is connected to one side, far away from the polishing block 28, of the limiting column 31, the other end of the guide column 30 slidably penetrates through the inner wall and the outer wall of the installation column 29 and is connected to a rotating section of the hollow threaded rod 25, a second limiting block 37 is further arranged in the second sliding groove 32 in a sliding mode, the second limiting block 37 is located between the limiting column 31 and the polishing block 28, and the second limiting block 37 and the limiting column 31 are connected through a third spring 36; the second spout 32 is gone up and still is seted up the logical groove 38 that runs through the inner and outer wall of erection column 29 along second spout 32 direction, there is first stopper 34 logical groove 38 top, the terminal surface is connected with second threaded rod 33 under the first stopper 34, the terminal surface still can be corresponding with the erection column 29 outer wall under the first stopper 34, the terminal surface passes logical groove 38 and second stopper 37 threaded connection under the second threaded rod 33, first stopper 34 up end is connected with twists the post 35, the axis that twists the post 35 coincides mutually with the axis of second threaded rod 33 there is the electrostatic spraying subassembly below the piece of polishing 28.
The polishing assembly further comprises a circular polishing sponge 39, the circular polishing sponge 39 is arranged on the outer wall of the rotating section of the hollow threaded rod 25 below the polishing block 28, and the outer wall of the circular polishing sponge 39 can correspond to the inner wall of the tubular part 46.
The electrostatic spraying component comprises an electrostatic sprayer 40, a cylinder 41, a cavity 42 and a steel pipe 43; the upper end face of the cylinder 41 is connected with the lower end face of the hollow threaded rod 25, a cavity 42 is formed in the cylinder 41, the axis of the cylinder 41 is overlapped with the axis of the hollow threaded rod 25, a discharge hole of the hollow threaded rod 25 penetrates through the inner wall and the outer wall of the cylinder 41 and is communicated with the cavity 42, the upper end face of the steel pipe 43 penetrates through the inner wall and the outer wall of the cylinder 41 and is communicated with the cavity 42, the axis of the steel pipe 43 is parallel to the axis of the cylinder 41, the lower end face of the steel pipe 43 is communicated with a feed hole of the electrostatic sprayer 40, a spray head of the electrostatic sprayer 40 can correspond to the inner wall of the tubular part 46, and the diameter of the cylinder 41 is smaller than the inner diameter of the tubular part 46.
The recovery component comprises a support column 44 and an electrostatic adsorber 45; the upper end surface of the supporting column 44 is connected with the lower end surface of the cylinder 41, the lower end surface of the supporting column 44 is connected with an electrostatic adsorber 45, the axis of the supporting column 44 is overlapped with the axis of the cylinder 41, and the electrostatic adsorber 45 can extend into the tubular part 46.
The working principle is as follows: when electrostatic spraying is not carried out, the grinding block 28, the circular grinding sponge 39, the electrostatic sprayer 40 and the electrostatic adsorber 45 of the spraying unit are located at positions close to the mounting ring 10, when spraying is needed, the spraying unit needs to be lowered to the lower end of the tubular part 46, at the moment, the tubular part 46 is placed between the first clamping block 47 and the second clamping block 48, the first threaded rod 13 is rotated to clamp the tubular part 46, the motor 22 is started to rotate reversely to drive the second gear 23 and the rotating wheel 26 to rotate reversely, the tubular part 46 is driven to rotate reversely by the friction force between the rotating wheel 26 and the inner wall of the tubular part 46, the hollow rotating column 9 is driven to rotate reversely to drive the first gear 14 on the hollow rotating column 9 to rotate reversely, the rack 15 is driven to move leftwards by the meshing of the first gear 14 and the rack 15, the first push block 16 on the rack 15 is used for opening the first valve 7 to ventilate the inside of the tubular part 46, so as to achieve the purpose of controlling the temperature, meanwhile, the hollow gear 24 is driven to rotate forwards by the meshing between the second gear 23 and the third gear 24, the threaded rod 25 is driven to rotate forwards, the top plate 25 is connected with the L-shaped threaded rod 25, the rotary threaded rod is connected with the grinding block 39, the electrostatic adsorber, and the electrostatic adsorber 45, so as to grind the inner wall of the tubular part, and the electrostatic adsorber 45, so as to grind the tubular part, and the electrostatic adsorber, and the tubular part 46; when the grinding block 28, the circular grinding sponge 39, the electrostatic sprayer 40 and the electrostatic adsorber 45 of the spraying unit descend to the lower end of the tubular part 46, the electrostatic adsorber 45 and the starting motor 22 are started to rotate forwards, the motor 22 rotates forwards to drive the second gear 23 and the rotating wheel 26 to rotate forwards, the tubular part 46 is driven to rotate forwards through the friction force between the rotating wheel 26 and the inner wall of the tubular part 46, the hollow rotating column 9 is driven to rotate forwards, the first gear 14 on the hollow rotating column 9 is driven to rotate forwards, the rack 15 is driven to move rightwards through the meshing between the first gear 14 and the rack 15, the second valve 8 is opened through the first push block 16 on the rack 15 to supply powder to the electrostatic sprayer 40, the electrostatic spraying operation is carried out, meanwhile, the third gear 24 is driven to rotate backwards through the meshing between the second gear 23 and the third gear 24, the hollow threaded rod 25 is driven to rotate backwards, the hollow threaded rod 25 is connected with the top plate of the L-shaped support frame 1 through the hollow threaded rod 25, and the grinding block 28, the circular grinding sponge 39, the electrostatic sprayer 40 and the electrostatic adsorber 46 and the electrostatic sprayer 45 rotate backwards to adsorb surplus paint.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting the same, and although the present invention is described in detail with reference to the above embodiments, those of ordinary skill in the art should understand that: modifications and equivalents may be made to the embodiments of the invention without departing from the spirit and scope of the invention, which is to be covered by the claims.
Claims (6)
1. The utility model provides an electrostatic spraying equipment of tubulose electromechanical part inner wall, including L shape support frame (1), confession powder ware (2) and air feeder (3) equal rigid coupling are at L shape support frame (1) up end, its characterized in that, the discharge gate of confession powder ware (2) communicates the feed inlet of first trachea (4), the air outlet of air feeder (3) communicates the air intake of second trachea (5), communicate through the three way connection between the discharge gate of first trachea (4), the air outlet of second trachea (5) and the entry of third trachea (6), the export of third trachea (6) communicates the feed inlet of spraying unit;
a first valve (7) with a first valve handle facing downwards in a closed state is arranged on the first air pipe (4), a second valve (8) with a second valve handle facing downwards in the closed state is arranged on the second air pipe (5), the first valve (7) and the second valve (8) are both arranged on the side wall of the L-shaped support frame (1), a clamping unit capable of clamping the outer wall of the tubular part (46) is rotatably arranged below the L-shaped support frame (1), a control unit is arranged on the L-shaped support frame (1) between the first valve handle of the first valve (7) and the second valve handle of the second valve (8), and the clamping unit can drive the control unit to control the first valve (7) and the second valve (8) to be opened in sequence through rotation;
a spraying unit is arranged below the L-shaped support frame (1) and can also rotate and lift, the lifting path of a spray gun of the spraying unit can be positioned in the tubular part (46), and the rotating and lifting direction of the spraying unit is parallel to the axial direction of a rotating shaft of the clamping unit;
the clamping unit comprises a hollow rotating column (9) and a mounting ring (10);
the lower end face of the top plate of the L-shaped support frame (1) is rotatably provided with a hollow rotating column (9), the axis of the hollow rotating column (9) is perpendicular to the lower end face of the top plate of the L-shaped support frame (1), the lower end face of the hollow rotating column (9) is coaxially provided with an installation ring (10), the lower end face of the installation ring (10) is provided with a first clamping assembly and a second clamping assembly, and the first clamping assembly and the second clamping assembly are symmetrical relative to the axis of the installation ring (10);
the first clamping assembly and the second clamping assembly respectively comprise a clamping block (11), an installation block (12) and a first threaded rod (13);
the lower end face of the mounting ring (10) is provided with a clamping block (11) in a sliding manner, and a first clamping block (47) of the first clamping assembly and a second clamping block (48) of the second clamping assembly can clamp the outer wall of a tubular part (46);
the lower end face of the mounting ring (10) is further provided with a mounting block (12), the mounting block (12) is located on one side, away from the tubular part (46), of the clamping block (11), one end of the first threaded rod (13) is rotatably connected with the outer wall of the clamping block (11), and the other end of the first threaded rod (13) penetrates through the left side wall and the right side wall of the mounting block (12) and is in threaded connection with the mounting block (12); the hollow rotating column (9) can drive the control unit to control the first valve (7) and the second valve (8) to be opened in sequence through rotation;
the control unit comprises a first gear (14), a rack (15), a first push block (16), a second push block (17), a first sliding groove (18), a first spring (19) and a second spring (20);
a first gear (14) is arranged on the hollow rotating column (9), the first gear (14) is meshed with a rack (15), the rack (15) is arranged in a first sliding chute (18) in a sliding way, a first valve handle of a first valve (7) and a second valve handle of a second valve (8) are arranged on the guide stroke of the first sliding chute (18), the first sliding chute (18) is arranged on the lower end surface of the top plate of the L-shaped supporting frame (1), a first push block (16) and a second push block (17) in an initial state are arranged between the first valve (7) and the second valve (8), the first push block (16) is close to the first valve (7) and can correspond to a first valve handle of the first valve (7), the second push block (17) is close to the second valve (8) and can correspond to a second valve handle of the second valve (8), the first push block (16) and the second push block (17) are both connected to the rack (15), the left side wall of the rack (15) is connected with one end of a first spring (19), the other end of the first spring (19) can be contacted with the left side wall of the first sliding chute (18), the right side wall of the rack (15) is connected with one end of a second spring (20), the other end of the second spring (20) can be contacted with the right side wall of the first sliding chute (18);
the maximum displacement of the rack (15) which can move to the left in the first sliding chute (18) in the initial state is a, the distance between the first push block (16) and the first valve handle of the first valve (7) in the initial state is b, and a > b >0;
the maximum displacement of the rack (15) which can move rightwards in the first sliding chute (18) in the initial state is m, the distance between the second push block (17) and the second valve handle of the second valve (8) in the initial state is n, and m > n >0.
2. The electrostatic painting equipment of the inner wall of the tubular electromechanical part according to claim 1, characterized in that the painting unit comprises a mounting plate (21), a motor (22), a second gear (23), a third gear (24), a hollow threaded rod (25), a rotating wheel (26) and a guide rod (27);
the axis of the hollow threaded rod (25) coincides with the axis of the tubular element (46), the hollow threaded rod (25) comprises a threaded section and a rotating section, the threaded section is positioned above the rotating section, the thread section of the hollow threaded rod (25) sequentially passes through the mounting ring (10) and the hollow rotating column (9) and is in threaded connection with the top plate of the L-shaped support frame (1), the rotating section of the hollow threaded rod (25) can rotatably penetrate through the mounting plate (21) and extend out of the lower end face of the mounting plate (21), a motor (22) is arranged on the mounting plate (21), an output shaft of the motor (22) is vertical to the upper end surface of the mounting plate (21) and is provided with a second gear (23), the second gear (23) is meshed with a third gear (24), the third gear (24) is arranged on a hollow threaded rod (25), a motor (22) of the motor (22) axially and downwards rotatably penetrates through the upper end surface and the lower end surface of the mounting plate (21) and is provided with a rotating wheel (26), the excircle of the rotating wheel (26) can be attached to the inner wall of the tubular part (46), the upper end surface of the guide rod (27) sequentially passes through the mounting ring (10) and the hollow rotating column (9) and can slidably pass through the top plate of the L-shaped support frame (1), the lower end face of the guide rod (27) is connected with a motor (22), and the axis of the guide rod (27) is parallel to the axis of the hollow threaded rod (25);
the spraying unit also comprises an electrostatic spraying component, a grinding component and a recycling component;
the utility model discloses a pneumatic polishing device, including mounting panel (21), electrostatic spraying subassembly, grinding subassembly, cavity threaded rod (25), the subassembly of polishing is located mounting panel (21) below and sets up on the rotation section outer wall of cavity threaded rod (25), the grinding head of the subassembly of polishing can be corresponding with tubulose part (46) inner wall, the electrostatic spraying subassembly is located the subassembly below of polishing and sets up on cavity threaded rod (25), the discharge gate of electrostatic spraying subassembly's feed inlet intercommunication cavity threaded rod (25), the rotatable intercommunication in the up end of cavity threaded rod (25) and the export of third trachea (6), it sets up in the electrostatic spraying subassembly below to retrieve the subassembly, mounting panel (21), electrostatic spraying subassembly, the subassembly of polishing and the lift route of retrieving the subassembly all can pass in tubulose part (46).
3. The electrostatic spraying equipment for the inner wall of the tubular electromechanical part as claimed in claim 2, wherein the grinding assembly comprises a plurality of grinding modules, the grinding modules are circularly arrayed around the axis of the hollow threaded rod (25) and are all connected to the rotating section of the hollow threaded rod (25), and each grinding module comprises a grinding block (28), a mounting column (29), a guide column (30), a limiting column (31), a second sliding groove (32), a second threaded rod (33), a first limiting block (34), a screwing column (35), a third spring (36), a second limiting block (37) and a through groove (38);
the polishing block (28) can correspond to the inner wall of the tubular part (46), a mounting column (29) is connected onto the polishing block (28), a second sliding groove (32) is formed in the mounting column (29) along the axis direction of the mounting column (29), a limiting column (31) is arranged in the second sliding groove (32) in a sliding mode on one side far away from the polishing block (28), a guide column (30) is connected to one side far away from the polishing block (28) of the limiting column (31), the other end of the guide column (30) can slidably penetrate through the inner wall and the outer wall of the mounting column (29) and is connected to the rotating section of the hollow threaded rod (25), a second limiting block (37) is further arranged in the second sliding groove (32) in a sliding mode, the second limiting block (37) is located between the limiting column (31) and the polishing block (28), and the second limiting block (37) is connected with the limiting column (31) through a third spring (36);
go up along second spout (32) direction on second spout (32) and still set up logical groove (38) of running through erection column (29) inside and outside wall, it has first stopper (34) to lead to groove (38) top, the terminal surface is connected with second threaded rod (33) under first stopper (34), the terminal surface still can be corresponding with erection column (29) outer wall under first stopper (34), the terminal surface passes logical groove (38) and second stopper (37) threaded connection under second threaded rod (33), first stopper (34) up end is connected with twists and moves post (35), the axis that twists and move post (35) coincides mutually with the axis of second threaded rod (33) there is the electrostatic spraying subassembly below sanding block (28).
4. The electrostatic spraying equipment for the inner wall of the tubular electromechanical part as claimed in claim 3, wherein the polishing assembly further comprises a circular polishing sponge (39), the circular polishing sponge (39) is arranged on the outer wall of the rotating section of the hollow threaded rod (25) below the polishing block (28), and the outer wall of the circular polishing sponge (39) can correspond to the inner wall of the tubular part (46).
5. The electrostatic painting equipment for the inner wall of the tubular electromechanical part according to claim 4, characterized in that the electrostatic painting assembly comprises an electrostatic sprayer (40), a cylinder (41), a cavity (42) and a steel pipe (43);
the utility model discloses an electrostatic spraying device, including cylinder (41), hollow threaded rod (25), cavity (42) have been seted up in cylinder (41), the axis coincidence of the axis of cylinder (41) and hollow threaded rod (25), the discharge gate of hollow threaded rod (25) runs through cylinder (41) inside and outside wall and communicates cavity (42), steel pipe (43) up end runs through cylinder (41) inside and outside wall and communicates cavity (42), the axis of steel pipe (43) and the axis of cylinder (41) are parallel, the terminal surface communicates with the feed inlet of electrostatic spraying ware (40) under steel pipe (43), the shower nozzle of electrostatic spraying ware (40) can be corresponding with tubulose part (46) inner wall, the diameter of cylinder (41) is less than the internal diameter of tubulose part (46).
6. Electrostatic painting equipment of the internal wall of tubular electromechanical parts, according to claim 5, characterized in that said recovery assembly comprises a support column (44), an electrostatic adsorber (45);
the support column (44) up end connects terminal surface under cylinder (41), terminal surface is connected with static adsorber (45) under support column (44), the axis of support column (44) and the axis coincidence of cylinder (41), static adsorber (45) can stretch into in tubular part (46).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110135262.9A CN112958307B (en) | 2021-01-31 | 2021-01-31 | Electrostatic spraying equipment for inner wall of tubular electromechanical part |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110135262.9A CN112958307B (en) | 2021-01-31 | 2021-01-31 | Electrostatic spraying equipment for inner wall of tubular electromechanical part |
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| CN112958307A CN112958307A (en) | 2021-06-15 |
| CN112958307B true CN112958307B (en) | 2022-10-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110135262.9A Active CN112958307B (en) | 2021-01-31 | 2021-01-31 | Electrostatic spraying equipment for inner wall of tubular electromechanical part |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113578598B (en) * | 2021-08-03 | 2023-01-20 | 合肥市金佰嘉精密科技有限公司 | Spraying device for processing injection molding pipe fittings |
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| CN111250331A (en) * | 2020-02-28 | 2020-06-09 | 重庆市荣昌区永世光电设备有限公司 | Loading attachment is used in lamp pole japanning |
| CN211756166U (en) * | 2019-09-06 | 2020-10-27 | 漳州市熙和装饰装潢工程有限公司 | Steel pipe internal and external surface spraying device |
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| GB846102A (en) * | 1956-03-05 | 1960-08-24 | Minimax Ltd | Improvements in or relating to spraying apparatus |
| CN103831182A (en) * | 2014-03-20 | 2014-06-04 | 浙江明泉工业涂装有限公司 | Improved vertical type section bar electrostatic spraying and coating device |
| CN204380911U (en) * | 2014-12-09 | 2015-06-10 | 温岭市奥美特电子有限公司 | Automatic electrostatic plastics spraying machine |
| CN107930879A (en) * | 2017-12-20 | 2018-04-20 | 中山市雅乐思商住电器有限公司 | A kind of electrostatic powder vertical spraying equipment |
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| CN112958307A (en) | 2021-06-15 |
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