CN115283158A - Automatic electrostatic spraying method for metal piece - Google Patents
Automatic electrostatic spraying method for metal piece Download PDFInfo
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- CN115283158A CN115283158A CN202211035516.0A CN202211035516A CN115283158A CN 115283158 A CN115283158 A CN 115283158A CN 202211035516 A CN202211035516 A CN 202211035516A CN 115283158 A CN115283158 A CN 115283158A
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- Prior art keywords
- metal piece
- spraying
- sleeve
- sliding
- metal
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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
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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
- B05B13/02—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work
- B05B13/0221—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work characterised by the means for moving or conveying the objects or other work, e.g. conveyor belts
- B05B13/0235—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work characterised by the means for moving or conveying the objects or other work, e.g. conveyor belts the movement of the objects being a combination of rotation and linear displacement
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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
- B05B13/02—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work
- B05B13/0221—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work characterised by the means for moving or conveying the objects or other work, e.g. conveyor belts
- B05B13/025—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work characterised by the means for moving or conveying the objects or other work, e.g. conveyor belts the objects or work being present in bulk
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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
- B05B13/02—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work
- B05B13/0221—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work characterised by the means for moving or conveying the objects or other work, e.g. conveyor belts
- B05B13/0264—Overhead conveying means, i.e. the object or other work being suspended from the conveying means; Details thereof, e.g. hanging hooks
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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
- B05B13/02—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work
- B05B13/04—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work the spray heads being moved during spraying operation
- B05B13/0405—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work the spray heads being moved during spraying operation with reciprocating or oscillating spray heads
- B05B13/041—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work the spray heads being moved during spraying operation with reciprocating or oscillating spray heads with spray heads reciprocating along a straight line
- B05B13/0415—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work the spray heads being moved during spraying operation with reciprocating or oscillating spray heads with spray heads reciprocating along a straight line the angular position of the spray heads relative to the straight line being modified during the reciprocating movement
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
- B05D7/14—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials to metal, e.g. car bodies
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Spray Control Apparatus (AREA)
Abstract
The invention discloses an automatic electrostatic spraying method for a metal piece, the spraying device adopted by the spraying method comprises a base, a square seat and a vertical frame which are fixedly arranged at the upper end of the base, two spray heads are rotatably connected inside the shell sleeve, the inside of shell cover is installed with the joint of shower nozzle intercommunication, the upper end of second belt pulley sets firmly circular arch, the inboard of equipment rack is provided with two conveying pipelines, the one end and the joint of conveying pipeline are linked together, and the other end is linked together with circular arch. According to the invention, firstly, the rotating speed of the equipment frame is kept consistent with the rotating speed of the second belt pulley, so that the spraying mechanism can act on the metal piece during conveying along with the metal piece, tracking spraying of the metal piece is realized, and the purpose of improving the batch spraying efficiency of the metal piece is achieved.
Description
Technical Field
The invention relates to the technical field of electrostatic spraying of metal parts, in particular to an automatic electrostatic spraying method for a metal part.
Background
Electrostatic spraying is a spraying method which utilizes a high-voltage electrostatic electric field to make negatively charged paint particles directionally move along the direction opposite to the electric field and adsorb the paint particles on the surface of a workpiece.
Through the electrostatic spraying technology, the coloring processing treatment on the surface of the metal part is facilitated, when the surface of the metal part is sprayed and processed, a user often hangs the metal part on a conveying rail in a workshop, and then uses a spray gun to spray and process the surface of the metal part, the existing spraying mode is divided into two modes, namely manual spraying and automatic spraying, the manual spraying mode is adopted, although the action range of the spray gun can be controlled artificially and randomly to process the surface of the metal part, the efficiency is low, the user needs to swing the spray gun in a reciprocating manner to control the spray gun, so that the coating is attached to the surface of the metal part comprehensively, and the spraying processing mode is complicated and low in efficiency; if the mode of automatic spraying is adopted, the existing problems are that: the existing automatic spraying machine is single in a spray gun running track, only one side end face of a metal piece can be processed and sprayed in the vertical direction, in the spraying process, in order to ensure that spraying liquid is better attached to the surface of the metal piece, a user needs to control a conveying mechanism to stop conveying, so that the action face of the spray gun and the surface of the metal piece are kept relatively static, the processing mode is not beneficial to batch efficient processing of the metal piece, after one end face of the metal piece is processed and sprayed, if the other side of the metal piece needs to be subjected to turn-over processing, the user needs to take the metal piece off from the conveying track and then hang the metal piece in a turn-over manner, in the processing process, the user needs to cooperate to adjust the position of the metal piece, the processing efficiency can be affected by the mode, if corresponding electrostatic spraying mechanisms are arranged on two sides of the transferred section of the metal piece at the same time, the problem of multidirectional processing and spraying of the metal piece is solved, and the processing cost of the metal piece can be improved.
Disclosure of Invention
The invention aims to: in order to solve the problems, an automatic electrostatic spraying method for metal parts is provided.
In order to achieve the purpose, the invention adopts the following technical scheme: a spraying device adopted in the spraying method comprises a base, a square seat and a vertical frame, wherein the square seat and the vertical frame are fixedly arranged at the upper end of the base;
the upper end of the upright post is rotatably connected with a first belt pulley, the upper end of the equipment frame is fixedly provided with a second belt pulley, the outer sides of the first belt pulley and the second belt pulley are sleeved with a transmission belt for conveying metal pieces, and the transmission belt is provided with a plurality of components matched with the metal pieces for hanging connection;
the device comprises an equipment frame, a shell and a plurality of nozzles, wherein two groups of vertical spraying mechanisms are arranged inside the equipment frame, each vertical spraying mechanism is a sliding block which is embedded in the inner side of the equipment frame in a sliding mode, a component for driving the sliding block to vertically reciprocate is arranged in the equipment frame, a shell is fixedly arranged at the outer end of the sliding block, two nozzles are rotatably connected inside the shell, a connector communicated with the nozzles is arranged inside the shell, and the two nozzles are controlled to reciprocate through a linkage component when the shell vertically moves;
the upper end of the second belt pulley is fixedly provided with a circular bulge, the inner side of the equipment rack is provided with two material conveying pipes corresponding to the vertical spraying mechanism, one end of the material conveying pipe is communicated with the joint, and the other end of the material conveying pipe is communicated with the circular bulge;
a stand is fixedly arranged at the upper end of the mounting rack, a storage box is arranged at the upper end of the stand, the bottom of the stand is fixedly provided with an annular sleeve which is matched with the storage box to convey spraying liquid to the circular bulge, and the annular sleeve is rotatably sleeved on the outer side of the circular bulge;
the spraying method the method comprises the following steps:
s1, hanging the metal piece on a hook, conveying the metal piece through a conveying belt;
s2, when the metal piece is conveyed to the action range of the spraying mechanism, the shell sleeve moves in the vertical direction along with the rotation of the equipment frame, and the swinging spray head carries out vertical electrostatic spraying on the end face of one side of the conveyed metal piece;
s3, with the continuous conveying of the metal piece, the sliding sleeve is lifted up, the connecting rod drives the hanging plate to rotate, the metal piece is turned over, and the spraying mechanism continuously conducts vertical electrostatic spraying on the end face of the other side of the metal piece;
s4, when the metal piece is conveyed out of the action range of the spraying mechanism, the metal piece is taken down from the hook, and the spraying processing of the metal piece is finished
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Preferably, the component for driving the hanging plate to rotate and turn over the metal piece comprises a sliding sleeve which is sleeved outside the shaft sleeve in a sliding manner, a convex block is fixedly arranged at the inner end of the sliding sleeve, and a spiral sliding rail matched with the convex block to slide and a combined piece matched with the sliding sleeve to lift are formed in the inner wall of the rotating shaft.
Preferably, the outer end of axle sleeve sets firmly the bar tooth, the inside of sliding sleeve is formed with the gliding bar groove of cooperation bar tooth, the upper end of revolving the axle sets firmly the baffle of restriction sliding sleeve sliding range.
Preferably, the upper lifted assembly of the matching sliding sleeve comprises a side connecting arm fixedly arranged at the side end of the sliding sleeve, an annular frame is arranged on the outer side of the transmission belt, a guide sliding rail matched with the side connecting arm to slide is formed in the annular frame, and the annular frame is mounted on the stand through a frame rod assembly.
Preferably, the part that orders about vertical reciprocating motion of slider is including rotating the two pairs of rim plates of connection in the equipment rack inside to and order about the synchronous pivoted subassembly of rim plate, two the outside cover of rim plate is equipped with the driven first chain of cooperation, has set firmly branch between the first chain of two subtend distributions, the inside of slider is formed with the gliding recess of cooperation branch.
Preferably, the component driving the wheel disc to synchronously rotate comprises a first bevel gear and a second bevel gear, the first bevel gear is fixedly connected with the base through a shaft rod penetrating through the rotary table, the second bevel gear is rotatably connected to two opposite sides of the equipment frame, a driven wheel is fixedly arranged at the outer end of the wheel disc, and a second chain in matched transmission is sleeved on the outer side of the driven wheel and the outer side of the first bevel gear.
Preferably, the interlock part is including sliding the setting at the inside transmission piece of shell to and order about the subassembly of transmission piece horizontal reciprocating motion, the upper end of shower nozzle has set firmly the nose bar, the inside of transmission piece is formed with the gliding spout of cooperation nose bar.
Preferably, the component for driving the transmission block to horizontally reciprocate is two side connecting rods fixedly arranged at the side ends of the transmission block, and a wave-shaped groove for alternately pressing the two side connecting rods is formed on the inner side wall of the equipment frame.
Preferably, a semicircular open slot matched with the output of the spraying liquid is formed at the top of the annular sleeve, and two connectors corresponding to the conveying pipes are formed in the circular bulge.
In summary, due to the adoption of the technical scheme, the invention has the beneficial effects that:
1. in this application, when the work piece passes through spraying mechanism under the effect of drive belt, because the rotational speed of equipment frame keeps unanimous with the rotational speed of second belt pulley for spraying mechanism will follow the effect on the metalwork in transporting, realizes the pursuit spraying to the metalwork, reaches the purpose that improves spraying efficiency in batches to the metalwork.
2. In this application, when the second belt pulley drives the equipment rack and rotates, the shell will remove along vertical direction, carries out the electrostatic spraying of vertical direction to the sheet metal spare that conveys, and at the in-process of spraying, two shower nozzles can be quick along the reciprocal swing of horizontal direction to realize the comprehensive spraying processing of sheet metal spare.
3. In this application, when side joint arm pressurized drives and rises smoothly, the lug slides along spiral slide rail, through the lug to spiral slide rail's oppression transmission, orders about the spiral shaft and drives the link plate through the connecting rod and rotate to the realization carries out the turn-over to the metalwork of transporting the in-process, reaches the purpose to the diversified processing spraying of metalwork.
Drawings
FIG. 1 illustrates a perspective view of a spray coating device provided in accordance with an embodiment of the present invention;
FIG. 2 illustrates a top view of a spray coating device provided in accordance with an embodiment of the present invention;
FIG. 3 illustrates a cross-sectional view of an equipment rack provided in accordance with an embodiment of the present invention;
FIG. 4 is an exploded view of an internal structure of an equipment rack provided in accordance with an embodiment of the present invention;
fig. 5 shows an explosion diagram of the internal structure of the sliding sleeve provided by the embodiment of the invention.
Illustration of the drawings:
1. a base; 2. rotating the platform; 3. an equipment rack; 301. a wave-shaped groove; 4. a wheel disc; 5. a first chain; 6. a strut; 7. a slider; 701. groove (ii) a; 8. a shell; 9. a spray head; 10. a nose bar; 11. a transmission block; 1101. a chute; 12. a side connecting rod; 13. a joint; 14. a first bevel gear; 15. a second taper tooth; 16. a driven wheel; 17. a second chain; 18. a delivery pipe; 19. erecting a frame; 20. an annular frame; 2001. a guide slide rail; 21. a square base; 22. a column; 23. a first pulley; 24. a transmission belt; 25. a shaft sleeve; 26. a bar-shaped tooth; 27. rotating the shaft; 2701. a spiral slide rail; 28. a connecting rod; 29. a baffle plate; 30. a sliding sleeve; 3001. a strip-shaped groove; 3002. a bump; 31. a side connecting arm; 32. hanging plates; 33. hooking; 34. a mounting frame; 35. a stand; 36. a storage box; 37. an annular sleeve; 3701. an open slot; 38. a second pulley; 39. a circular protrusion; 40. an interface.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-5, the present invention provides a technical solution: an automatic electrostatic spraying method for a metal piece is characterized in that a spraying device adopted by the spraying method comprises a base 1, a square seat 21 and a vertical frame 19, wherein the square seat 21 and the vertical frame 19 are fixedly arranged at the upper end of the base 1, a rotary table 2 is rotatably connected at the upper end of the base 1, an equipment frame 3 is fixedly arranged at the upper end of the rotary table 2, a cavity with openings at two sides is formed in the equipment frame 3 and used for installing a spraying mechanism, an installation frame 34 and an upright column 22 are fixedly arranged at the upper end of the square seat 21, and an existing motor driving mechanism is installed in the upright column 22 and used for controlling the rotation of a first belt pulley 23;
the upper end of the upright post 22 is rotationally connected with a first belt pulley 23, the upper end of the equipment frame 3 is fixedly provided with a second belt pulley 38, the outer sides of the first belt pulley 23 and the second belt pulley 38 are sleeved with a transmission belt 24 for conveying metal parts, the transmission belt 24 is provided with a plurality of components matched with the metal parts for hanging, the side ends of the first belt pulley 23 and the second belt pulley 38, which are attached to the transmission belt 24, are respectively provided with a retaining ring for preventing the transmission belt 24 from deviating so as to prevent the transmission belt 24 from loosening from the belt pulleys when conveying the metal parts, and the side ends of the belt pulleys are respectively provided with anti-skidding bulges so as to improve the transmission efficiency of the transmission belt 24; when the workpiece passes through the spraying mechanism under the action of the transmission belt 24, the rotating speed of the equipment frame 3 is consistent with that of the second belt pulley 38, so that the spraying mechanism installed in the equipment frame 3 can act on the conveyed metal pieces along with the metal pieces, tracking and spraying of the metal pieces are achieved, and the purpose of improving batch spraying efficiency of the metal pieces is achieved.
Two groups of vertical spraying mechanisms are arranged inside the equipment frame 3, each vertical spraying mechanism is a sliding block 7 which is embedded in the equipment frame 3 in a sliding mode, a component for driving the sliding block 7 to vertically reciprocate is arranged in the equipment frame 3, a shell sleeve 8 is fixedly arranged at the outer end of the sliding block 7, two spray heads 9 are rotatably connected inside the shell sleeve 8, a connector 13 communicated with the spray heads 9 is installed inside the shell sleeve 8, and the two spray heads 9 are controlled to reciprocate through a linkage component when the shell sleeve 8 vertically moves; when the second belt pulley 38 drives the equipment frame 3 to rotate, the shell sleeve 8 moves in the vertical direction to perform electrostatic spraying on the conveyed metal plate in the vertical direction, and in the spraying process, the two spray heads 9 can rapidly swing back and forth in the horizontal direction, so that the metal plate can be comprehensively sprayed and processed; the spraying area of the spraying mechanism is disposed within an arc-shaped conveying range near the second pulley 38.
A circular bulge 39 is fixedly arranged at the upper end of the second belt pulley 38, two material conveying pipes 18 corresponding to the vertical spraying mechanism are arranged on the inner side of the equipment frame 3, one end of each material conveying pipe 18 is communicated with the joint 13, and the other end of each material conveying pipe is communicated with the circular bulge 39; the paint flowing into the circular bulge 39 is conveyed into the joint 13 through the conveying pipe 18, then is introduced into the spray head 9 through the joint 13, and finally is acted on the surface of the metal piece by the spray head 9;
the upper end of the mounting frame 34 is fixedly provided with a stand 35, the upper end of the stand 35 is provided with a storage box 36, the bottom of the stand 35 is fixedly provided with an annular sleeve 37 which is matched with the storage box 36 to convey spraying liquid to the circular bulge 39, and the annular sleeve 37 is rotatably sleeved on the outer side of the circular bulge 39; the circular protrusion 39 will rotate inside the annular sleeve 37 with the rotation of the second pulley 38, so as to realize the staged conduction to the corresponding feed delivery pipe 18.
The spraying method comprises the following steps:
s1, hanging the metal piece on a hook 33, and conveying the metal piece through a transmission belt 24;
s2, when the metal piece is conveyed to the action range of the spraying mechanism, the shell sleeve 8 moves along the vertical direction along with the rotation of the equipment frame 3, and the swinging spray head 9 carries out vertical electrostatic spraying on the end face of one side of the conveyed metal piece;
s3, with the continuous conveying of the metal piece, the sliding sleeve 30 is lifted upwards, the connecting rod 28 drives the hanging plate 32 to rotate, the metal piece is turned over, and the spraying mechanism continuously conducts vertical electrostatic spraying on the end face of the other side of the metal piece;
s4, when the metal piece is conveyed out of the action range of the spraying mechanism, the metal piece is taken down from the hook 33, and the spraying processing of the metal piece is completed
Specifically, as shown in fig. 1 and 5, the parts that cooperate with the metal part to be hung include a shaft sleeve 25 fixed inside the transmission belt 24, a hanging plate 32 rotatably disposed on the lower side of the shaft sleeve 25, a hook 33 hung on the bottom of the hanging plate 32, and an assembly that drives the hanging plate 32 to rotate to turn over the metal part, wherein the upper end of the hanging plate 32 is fixedly provided with a connecting rod 28 penetrating through the shaft sleeve 25, and the upper end of the connecting rod 28 is fixedly provided with a rotating shaft 27; the metal piece is hung at the bottom of the hanging plate 32 through a hook 33 and is conveyed by the driving belt 24.
The component for driving the hanging plate 32 to rotate and turn over the metal piece comprises a sliding sleeve 30 which is sleeved outside the shaft sleeve 25 in a sliding manner, a convex block 3002 is fixedly arranged at the inner end of the sliding sleeve 30, a spiral sliding rail 2701 which is matched with the convex block 3002 to slide is formed in the inner wall of the rotating shaft 27, and a combined piece which is matched with the sliding sleeve 30 to lift up is formed; when the side connecting arm 31 is pressed to drive the sliding sleeve 30 to lift up, the sliding sleeve 30 can drive the projection 3002 to slide along the spiral sliding rail 2701, the projection 3002 drives the spiral sliding rail 2701 to press and transmit, and the rotating shaft 27 is driven to drive the hanging plate 32 to rotate through the connecting rod 28, so that the metal piece in the conveying process is turned over, and the purpose of processing and spraying the metal piece in multiple directions is achieved.
The outer end of the shaft sleeve 25 is fixedly provided with a bar-shaped tooth 26, a bar-shaped groove 3001 matched with the bar-shaped tooth 26 to slide is formed inside the sliding sleeve 30, and the upper end of the rotary shaft 27 is fixedly provided with a baffle 29 for limiting the sliding range of the sliding sleeve 30; when the sliding sleeve 30 moves vertically, the strip-shaped teeth 26 will slide along the strip-shaped groove 3001 inside the sliding sleeve 30, so as to limit the sliding sleeve 30 to rotate relative to the shaft sleeve 25, which is beneficial to the transmission of the sliding sleeve 30 to the rotating shaft 27.
The fitting part lifted up by the matching sliding sleeve 30 comprises a side connecting arm 31 fixedly arranged at the side end of the sliding sleeve 30, an annular frame 20 is arranged at the outer side of the transmission belt 24, a guide sliding rail 2001 sliding along the side connecting arm 31 is formed in the annular frame 20, and the annular frame 20 is arranged on the stand 19 through a frame rod assembly; in practical application, the guide slide rails 2001 may be disposed on the inner wall of the annular frame 20 without penetrating through the annular frame 20, the drawings only show the structure of the guide slide rails 2001, the frame bar assembly is an existing frame bar supporting structure and plays a role in supporting and erecting the annular frame 20, the guide slide rails 2001 disposed along the annular frame 20 have different heights distributed on two opposite sides of the annular frame 20, the two opposite sides of the annular frame 20 in an arc shape are connected through inclined slideways, and when the side-connected arms 31 slide through the inclined slideways, the conveyed metal pieces are turned over.
Specifically, as shown in fig. 1, 3 and 4, the component for driving the slider 7 to vertically reciprocate comprises two pairs of wheel discs 4 rotatably connected inside the equipment frame 3 and an assembly for driving the wheel discs 4 to synchronously rotate, and the outer sides of the two wheel discs 4 are sleeved with first chains 5 in matching transmission; the side wall of the wheel disc 4 is provided with a tooth mesh matched with chain transmission, a support rod 6 is fixedly arranged between two first chains 5 which are distributed oppositely, and a groove 701 matched with the support rod 6 to slide is formed in the slide block 7; when the wheel disc 4 drives the first chain 5 to rotate, the first chain 5 drives the sliding block 7 and the shell sleeve 8 to move along the vertical direction through the supporting rod 6, and when the supporting rod 6 changes the vertical moving direction of the sliding block under the action of the first chain 5, the sliding block will slide along the groove 701 inside the sliding block 7, so that the reciprocating movement of the sliding block 7 in the vertical direction is controlled.
The component for driving the wheel disc 4 to synchronously rotate comprises a first bevel gear 14 and a second bevel gear 15, the first bevel gear 14 is fixedly connected with the base 1 through a shaft rod penetrating through the rotary table 2, the second bevel gear 15 is rotatably connected to two opposite sides of the equipment frame 3, a driven wheel 16 is fixedly arranged at the outer end of the wheel disc 4, and a second chain 17 in matched transmission is sleeved on the outer sides of the driven wheel 16 and the first bevel gear 14; when the equipment rack 3 rotates, the second bevel gear 15 inside the equipment rack 3 rotates along the inner wall of the equipment rack 3 under the action of the first bevel gear 14, and the first bevel gear 14 drives the driven wheel 16 and the wheel disc 4 to synchronously rotate through the second chain 17; the side walls of the first bevel gear 14 and the driven pulley 16 should be provided with a mesh which is matched with chain transmission.
Specifically, as shown in fig. 4, the linkage component includes a driving block 11 slidably disposed inside the casing 8, and a component for driving the driving block 11 to horizontally reciprocate, a protruding rod 10 is fixedly disposed at the upper end of the spray head 9, a sliding slot 1101 matched with the protruding rod 10 to slide is formed inside the driving block 11, and when the driving block 11 reciprocally slides inside the casing 8, the driving block presses the protruding rod 10 through the sliding slot 1101, so as to drive the spray head 9 to reciprocally swing;
the component for driving the transmission block 11 to horizontally reciprocate is two side connecting rods 12 fixedly arranged at the side ends of the transmission block 11, wave-shaped grooves 301 for alternately pressing the two side connecting rods 12 are formed on the inner side wall of the equipment frame 3, when the shell 8 moves along the equipment frame 3, the side connecting rods 12 fixedly arranged at the two sides of the transmission block 11 are discontinuously in sliding contact with the wave-shaped grooves 301 at the two sides of the inside of the equipment frame 3, and the transmission block 11 is driven to slide in a reciprocating manner in the shell 8 under the pressing action of the inner walls of the wave-shaped grooves 301.
Specifically, as shown in fig. 4, a semicircular open slot 3701 matched with the output of the spraying liquid is formed at the top of the annular sleeve 37, two interfaces 40 corresponding to the material conveying pipe 18 are formed in the circular protrusion 39, after one group of spraying mechanisms finishes processing the metal part, the interface 40 corresponding to the spraying mechanism is screwed out of the open slot 3701 and then covered by the top wall of the annular sleeve 37, so as to achieve the effect of intercepting the nozzle 9 of the spraying mechanism, so as to limit the supply of the paint when the spraying mechanism does not act on the metal part, and achieve the purpose of saving the paint, at this time, the next metal part to be processed is conveyed to be close to the second belt pulley 38 along with the transmission belt 24, the other group of spraying mechanisms will align with the metal part again, and the interface 40 corresponding to the spraying mechanism is also screwed into the semicircular open slot 3701 along with the transmission belt 24, so as to achieve the supply of the paint; an anti-seepage rubber ring is arranged at the joint part of the annular sleeve 37 and the circular bulge 39 to prevent paint from seeping out, and an anti-seepage rubber strip is arranged at the bottom of the annular sleeve 37 along the straight line of the open groove 3701.
The previous description of the embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. An automatic electrostatic spraying method for a metal piece is characterized in that a spraying device adopted by the spraying method comprises a base (1), a square seat (21) and a vertical frame (19) which are fixedly arranged at the upper end of the base (1), the upper end of the base (1) is rotatably connected with a rotary table (2), an equipment frame (3) is fixedly arranged at the upper end of the rotary table (2), and an installation frame (34) and an upright post (22) are fixedly arranged at the upper end of the square seat (21);
the upper end of the upright post (22) is rotatably connected with a first belt pulley (23), the upper end of the equipment frame (3) is fixedly provided with a second belt pulley (38), the outer sides of the first belt pulley (23) and the second belt pulley (38) are sleeved with a transmission belt (24) for conveying metal pieces, and the transmission belt (24) is provided with a plurality of components which are matched with the metal pieces for hanging connection;
two groups of vertical spraying mechanisms are arranged inside the equipment frame (3), the vertical spraying mechanisms are sliding blocks (7) which are embedded inside the equipment frame (3) in a sliding manner, a component for driving the sliding blocks (7) to vertically reciprocate is arranged in the equipment frame (3), a shell sleeve (8) is fixedly arranged at the outer end of each sliding block (7), two nozzles (9) are rotatably connected inside the shell sleeve (8), a joint (13) communicated with the nozzles (9) is installed inside the shell sleeve (8), and the two nozzles (9) are controlled to swing in a reciprocating manner through a linkage component when the shell sleeve (8) moves vertically;
a circular bulge (39) is fixedly arranged at the upper end of the second belt pulley (38), two material conveying pipes (18) corresponding to the vertical spraying mechanism are arranged on the inner side of the equipment frame (3), one end of each material conveying pipe (18) is communicated with the joint (13), and the other end of each material conveying pipe is communicated with the circular bulge (39);
the upper end of the mounting frame (34) is fixedly provided with a stand (35), the upper end of the stand (35) is provided with a storage box (36), the bottom of the stand (35) is fixedly provided with an annular sleeve (37) which is matched with the storage box (36) to convey spraying liquid to the circular bulge (39), and the annular sleeve (37) is rotatably sleeved on the outer side of the circular bulge (39);
the spraying method comprises the following steps:
s1, hanging the metal piece on a hook (33), conveying the metal pieces by a conveyor belt (24);
s2, when the metal piece is conveyed to the action range of the spraying mechanism, the shell sleeve (8) moves along the vertical direction along with the rotation of the equipment frame (3), the swinging spray head (9) carries out vertical electrostatic spraying on one side end face of the conveyed metal plate;
s3, with the continuous conveying of the metal piece, the sliding sleeve (30) is lifted, the connecting rod (28) drives the hanging plate (32) to rotate, turning over the metal piece, and continuously performing vertical electrostatic spraying on the end face of the other side of the metal piece by using the spraying mechanism;
and S4, when the metal piece is conveyed out of the action range of the spraying mechanism, the metal piece is taken down from the hook (33), and the spraying processing of the metal piece is completed.
2. The automated electrostatic spraying method for the metal part according to claim 1, wherein the parts matching with the hanging of the metal part comprise a shaft sleeve (25) fixedly arranged inside the transmission belt (24), a hanging plate (32) rotatably arranged on the lower side of the shaft sleeve (25), a hook (33) hung at the bottom of the hanging plate (32), and an assembly for driving the hanging plate (32) to rotate to turn over the metal part, the upper end of the hanging plate (32) is fixedly provided with a connecting rod (28) penetrating through the shaft sleeve (25), and the upper end of the connecting rod (28) is fixedly provided with a rotating shaft (27).
3. The automated electrostatic spraying method for the metal piece according to claim 2, wherein the component for driving the hanging plate (32) to rotate to turn over the metal piece comprises a sliding sleeve (30) slidably sleeved on the outer side of the shaft sleeve (25), a protrusion (3002) is fixedly arranged at the inner end of the sliding sleeve (30), a spiral sliding rail (2701) which is matched with the protrusion (3002) to slide is formed in the inner wall of the rotating shaft (27), and a lifting piece which is matched with the sliding sleeve (30) to slide.
4. The automated electrostatic spraying method for the metal piece according to claim 3, wherein a bar-shaped tooth (26) is fixedly arranged at an outer end of the shaft sleeve (25), a bar-shaped groove (3001) which is matched with the bar-shaped tooth (26) to slide is formed inside the sliding sleeve (30), and a baffle (29) which limits the sliding range of the sliding sleeve (30) is fixedly arranged at an upper end of the rotating shaft (27).
5. The automated electrostatic painting method for metal parts according to claim 4, characterized in that the fitting part lifted up by the matching sliding sleeve (30) comprises a side arm (31) fixedly arranged at the side end of the sliding sleeve (30), the outer side of the driving belt (24) is provided with an annular frame (20), a guide slide rail (2001) sliding by the matching side arm (31) is formed inside the annular frame (20), and the annular frame (20) is installed on the stand (19) through a hack lever assembly.
6. The automated electrostatic spraying method for the metal piece according to claim 1, wherein the component for driving the sliding block (7) to vertically reciprocate comprises two pairs of wheel discs (4) rotatably connected inside the equipment frame (3) and an assembly for driving the wheel discs (4) to synchronously rotate, first chains (5) in matched transmission are sleeved on the outer sides of the two wheel discs (4), a support rod (6) is fixedly arranged between the two first chains (5) distributed in an opposite manner, and a groove (701) in which the support rod (6) slides is formed inside the sliding block (7).
7. The automated electrostatic spraying method for the metal parts, according to claim 6, is characterized in that the component for driving the wheel disc (4) to rotate synchronously comprises a first bevel gear (14) and a second bevel gear (15), the first bevel gear (14) is fixedly connected with the base (1) through a shaft rod penetrating through the rotating table (2), the second bevel gear (15) is rotatably connected to two opposite sides of the equipment frame (3), a driven wheel (16) is fixedly arranged at the outer end of the wheel disc (4), and a second chain (17) for matching transmission is sleeved on the outer side of the driven wheel (16) and the outer side of the first bevel gear (14).
8. The automatic electrostatic spraying method for the metal piece as claimed in claim 1, wherein the linkage component comprises a transmission block (11) slidably disposed inside the housing (8) and an assembly for driving the transmission block (11) to horizontally reciprocate, a protruding rod (10) is fixedly disposed at the upper end of the spray head (9), and a sliding groove (1101) matched with the protruding rod (10) to slide is formed inside the transmission block (11).
9. The method for the automatic electrostatic painting of metal parts according to claim 8, characterized in that the components for driving the driving block (11) to reciprocate horizontally are two side connecting rods (12) fixed at the side ends of the driving block (11), the inner side wall of the equipment frame (3) is provided with a wave-shaped groove (301) which alternately presses the two side connecting rods (12).
10. The method according to claim 1, characterized in that the top of the annular sleeve (37) is formed with a semicircular open slot (3701) matching the spraying liquid output, and the circular protrusion (39) is formed with two ports (40) respectively corresponding to the feed delivery pipes (18).
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