CN215964206U - Powder coating electrostatic spraying device for workpiece surface coating - Google Patents

Abstract

The utility model discloses an electrostatic powder coating spraying device for coating a film on the surface of a workpiece, which comprises a base and a steel cable, wherein a spraying chamber is fixedly arranged at the top of the base, a linkage frame is fixedly arranged at the top of the inner cavity of the spraying chamber through a fixing plate, a gear strip is fixedly arranged on the right side of the inner cavity of the linkage frame, one end of the steel cable penetrates through the linkage frame and extends to the right part of the linkage frame, and a gear meshed with the gear strip is rotatably connected to the bottom of the steel cable, positioned in the linkage frame, through a bearing piece. According to the electrostatic powder coating spraying device for coating the surface of the workpiece, the gear is arranged below the steel cable, and the gear and a hanger below the gear rotate under the action of the gear rack when the gear moves, so that the workpiece on the hanger can be continuously sprayed in all directions, and the spraying quality of the workpiece is uniformly improved.

Description

Powder coating electrostatic spraying device for workpiece surface coating

Technical Field

The utility model relates to the technical field of workpiece spraying, in particular to an electrostatic powder coating spraying device for workpiece surface coating.

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 to discharge. The electrostatic spraying equipment is composed of spray gun, spray cup and electrostatic spraying high-voltage power supply, in which the working principle of electrostatic powder spraying method is almost identical to that of general electrostatic spraying method of liquid coating material, and is characterized by that the powder spraying is dispersed, but not atomized, and it is a coating material sprayed from electrostatic powder spray gun, and at the same time of dispersing the powder particles can be charged with negative charge, and the charged powder particles can be applied on the grounded coated material by the action of air flow and electrostatic attraction, then heated, melted and solidified into film.

The existing powder spraying technology mostly hangs and moves a workpiece through a circular steel cable by using a hanger, so that the workpiece is finally sprayed and dried through various processes, but most of spraying devices can only spray one surface during spraying, and the workpiece needs to be continuously sprayed to the other surface by the aid of the device, the spraying in the process is interrupted, so that the surface spraying is uneven, meanwhile, the general workpiece needs to be conveyed to a drying chamber for drying after being sprayed with powder, the dust on the surface is easy to fall off in the process, and the dust is floated during spraying, so that the dust cannot be well recovered, and raw materials are wasted.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the prior art, the utility model provides the electrostatic powder coating spraying device for coating the surface of the workpiece, and solves the problems that the spraying of a common spraying device is discontinuous, the drying quality is influenced by the falling of the surface coating in the drying process, and the powder coating cannot be recovered.

In order to achieve the purpose, the utility model is realized by the following technical scheme: the utility model provides a powder coating electrostatic spraying device for work piece surface is filmed, includes base and cable wire, the top fixed mounting of base has the spray booth, fixed plate fixed mounting has linkage frame at the top of spray booth inner chamber, the right side fixed mounting of linkage frame inner chamber has the rack, the one end of cable wire is passed linkage frame and is extended to the right part of linkage frame, the bottom of cable wire just is located the inside of linkage frame and rotates through the bearing spare and be connected with the gear with rack meshing mutually, and the gear is provided with a plurality of, the bottom fixedly connected with dwang of gear, the one end of dwang runs through linkage frame and extends to the bottom of linkage frame, the expansion gap that cooperatees and use with the dwang is seted up to the bottom of linkage frame, the surface of dwang just is located the below of linkage frame and has the hanger through mounting fixed mounting.

Preferably, there is hot-blast blower on the upper portion on spray booth right side through fixed plate fixed mounting, there is the play tuber plate with hanger looks adaptation on the right side in spray booth inner chamber through support fixed mounting, there is the wind-equalizing plate in the left side of play tuber plate through support fixed mounting, hot-blast blower's air outlet intercommunication has the tuber pipe, the one end of tuber pipe runs through spray booth and feeds through in the right side of going out the tuber plate.

Preferably, the right side fixed mounting at base top has the drive case, fixed plate fixed mounting has the motor bottom of drive case inner chamber, the output shaft of motor passes through the reciprocal lead screw of shaft coupling fixedly connected with, the left side fixed connection of bearing spare and support and spray booth is passed through on the top of reciprocal lead screw.

Preferably, the surface threaded connection of reciprocal lead screw has the thread bush, one side fixed connection dead lever of thread bush, the one end of dead lever runs through the spray booth and extends to the inside of spray booth, the one end fixed mounting that the dead lever extended to the spray booth inside has the storage frame.

Preferably, the right side fixed mounting of storage frame has the shower nozzle that cooperatees and use with the hanger, the left side of spray booth is seted up with the lift mouth that the dead lever cooperatees and uses, the left side intercommunication of storage frame has the conveying pipeline.

Preferably, the left side and the right side of the spraying chamber are respectively provided with a workpiece inlet and a workpiece outlet.

The utility model provides an electrostatic powder coating spraying device for coating a film on the surface of a workpiece. Compared with the prior art, the method has the following beneficial effects: (1) according to the electrostatic powder coating spraying device for coating the surface of the workpiece, the gear is arranged below the steel cable, and the gear and a hanger below the gear rotate under the action of the gear rack when the gear moves, so that the workpiece on the hanger can be continuously sprayed in an all-dimensional mode, and the spraying quality of the workpiece is uniformly improved. (2) This a powder coating electrostatic spraying device for work piece surface coating, through the right part installation hot-blast blower at the spray booth, make the work piece can be with the even blowing off of hot gas flow through the aerofoil at the work piece surface when the spraying to make it can obtain preheating and slightly solidify, thereby effectively avoided the work piece after the spraying to the condition emergence that the in-process dust of going to the stoving drops, improved the quality of drying.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a cross-sectional view of the construction of the spray booth of the present invention;

FIG. 3 is an enlarged view of a portion of the utility model at A in FIG. 2;

FIG. 4 is a side view of the interior structure of the spray booth and base of the present invention;

FIG. 5 is a cross-sectional view of the linkage frame structure of the present invention;

in the figure: 1. a base; 2. a steel cord; 3. a spray chamber; 4. a linkage frame; 5. a gear rack; 6. a gear; 7. rotating the rod; 8. a movable opening; 9. a hanger; 10. a hot air blower; 11. an air outlet plate; 12. a wind equalizing plate; 13. an air outlet pipe; 17. a drive box; 18. a motor; 19. a reciprocating screw rod; 20. a threaded sleeve; 21. fixing the rod; 22. a material storage frame; 23. a spray head; 24. a lifting port; 25. a delivery pipe; 26. a workpiece inlet; 27. and a workpiece outlet.

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: a powder coating electrostatic spraying device for coating on the surface of a workpiece comprises a base 1 and a steel cable 2, wherein a spraying chamber 3 is fixedly arranged at the top of the base 1, a linkage frame 4 is fixedly arranged at the top of an inner cavity of the spraying chamber 3 through a fixing plate, a gear strip 5 is fixedly arranged at the right side of the inner cavity of the linkage frame 4, one end of the steel cable 2 penetrates through the linkage frame 4 and extends to the right part of the linkage frame 4, a gear 6 meshed with the gear strip 5 is rotatably connected to the bottom of the steel cable 2 and positioned in the linkage frame 4 through a bearing piece, a plurality of gears 6 are arranged on the gears 6, a rotating rod 7 is fixedly connected to the bottom of the gear 6, one end of the rotating rod 7 penetrates through the linkage frame 4 and extends to the bottom of the linkage frame 4, a movable opening 8 matched with the rotating rod 7 for use is arranged at the bottom of the linkage frame 4, a hanging tool 9 is fixedly arranged on the surface of the rotating rod 7 and positioned below the linkage frame 4 through a fixing part, the upper part of the right side of the spraying chamber 3 is fixedly provided with a hot blast blower 10 through a fixing plate, the right side of the inner cavity of the spraying chamber 3 is fixedly provided with an air outlet plate 11 matched with a hanger 9 through a bracket, the left side of the air outlet plate 11 is fixedly provided with an air equalizing plate 12 through a bracket, an air outlet of the hot blast blower 10 is communicated with an air outlet pipe 13, one end of the air outlet pipe 13 penetrates through the spraying chamber 3 and is communicated with the right side of the air outlet plate 11, the right side of the top of the base 1 is fixedly provided with a driving box 17, the bottom of the inner cavity of the driving box 17 is fixedly provided with a motor 18 through a fixing plate, the motor 18 is a servo motor, an output shaft of the motor 18 is fixedly connected with a reciprocating lead screw 19 through a coupler, the top end of the reciprocating lead screw 19 is fixedly connected with the left side of the spraying chamber 3 through a bearing piece and a bracket, the surface of the reciprocating lead screw 19 is in threaded connection with a thread bushing 20, one side of the thread bushing 20 is fixedly connected with a fixing rod 21, one end of the fixing rod 21 penetrates through the spraying chamber 3 and extends to the inside of the spraying chamber 3, the fixing rod 21 extends to one end of the inside of the spraying chamber 3 and is fixedly provided with a storage frame 22, a spray head 23 matched with the hanging tool 9 for use is fixedly arranged on the right side of the storage frame 22, a lifting port 24 matched with the fixing rod 21 for use is formed in the left side of the spraying chamber 3, the left side of the storage frame 22 is communicated with a conveying pipe 25, the other end of the conveying pipe 25 is communicated with a conveying device, and a workpiece inlet 26 and a workpiece outlet 27 are formed in the left side and the right side of the spraying chamber 3 respectively.

And those not described in detail in this specification are well within the skill of those in the art.

When the spraying device is used, a worker hangs a workpiece on the hanger 9, then the device is started, the hanger 9 is driven by the steel cable 2 to move, when the hanger 9 is driven by the steel cable 2 to move to the spraying chamber 3, the gear 6 is meshed with the gear strip 5, the gear 6 rotates the body and the rotating rod 7 under the action of the gear strip 5, so that the workpiece hung on the hanger 9 rotates, the motor 18 is started, the output shaft of the motor 18 drives the reciprocating screw rod 19 to rotate, the threaded sleeve 20 drives the material storage frame 22 to move up and down in a reciprocating manner through the fixed rod 21, the powder spraying material is conveyed to the material storage frame 22 by the conveying pipe 25 and then is sprayed by the spray head 23, so that the workpiece is uniformly sprayed, the hot air is conveyed to the air outlet plate 11 by the hot air blower 10, the air flow is uniformly blown on the surface of the workpiece by the air equalizing plate 12, and the powder coating on the surface of the workpiece is preheated in advance and slightly solidified, the painted workpiece is then moved out of the painting booth 3 from the workpiece outlet 27 for the next process.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (5)

1. The utility model provides a powder coating electrostatic spraying device for work piece surface coating, includes base (1) and cable wire (2), its characterized in that: the top fixed mounting of base (1) has spray booth (3), the top of spray booth (3) inner chamber has linkage frame (4) through fixed plate fixed mounting, the right side fixed mounting of linkage frame (4) inner chamber has gear rack (5), the one end of cable wire (2) is passed linkage frame (4) and is extended to the right part of linkage frame (4), the bottom of cable wire (2) just is located the inside of linkage frame (4) and is connected with gear (6) with gear rack (5) engaged with through the rotation of bearing spare, and gear (6) are provided with a plurality of, the bottom fixedly connected with dwang (7) of gear (6), the one end of dwang (7) is run through linkage frame (4) and is extended to the bottom of linkage frame (4), movable opening (8) that cooperate with dwang (7) and use have been seted up to the bottom of linkage frame (4), a hanging tool (9) is fixedly arranged on the surface of the rotating rod (7) and below the linkage frame (4) through a fixing part; the upper portion on spray booth (3) right side has hot-blast blower (10) through fixed plate fixed mounting, there is air-out board (11) with hanger (9) looks adaptation on the right side of spray booth (3) inner chamber through support fixed mounting, there is equal aerofoil (12) in the left side of air-out board (11) through support fixed mounting, the air outlet intercommunication of hot-blast blower (10) has air-out pipe (13), the one end that goes out air-out pipe (13) runs through spray booth (3) and communicates in the right side that goes out air-out board (11).

2. The electrostatic powder paint spraying apparatus for coating a surface of a workpiece according to claim 1, wherein: the right side fixed mounting at base (1) top has drive case (17), the bottom of drive case (17) inner chamber has motor (18) through fixed plate fixed mounting, the output shaft of motor (18) passes through reciprocal lead screw (19) of shaft coupling fixedly connected with, the left side fixed connection of bearing spare and support and spray booth (3) is passed through on the top of reciprocal lead screw (19).

3. The electrostatic powder paint spraying apparatus for coating a surface of a workpiece according to claim 2, wherein: the surperficial threaded connection of reciprocal lead screw (19) has thread bush (20), one side fixed connection dead lever (21) of thread bush (20), the one end of dead lever (21) runs through spray booth (3) and extends to the inside of spray booth (3), dead lever (21) extend to the inside one end fixed mounting of spray booth (3) have storage frame (22).

4. The electrostatic powder paint spraying apparatus for coating a surface of a workpiece according to claim 3, wherein: the right side fixed mounting of storage frame (22) has shower nozzle (23) with hanger (9) cooperation use, lift mouth (24) with dead lever (21) cooperation use are seted up to the left side of spray booth (3), the left side intercommunication of storage frame (22) has conveying pipeline (25).

5. The electrostatic powder paint spraying apparatus for coating a surface of a workpiece according to claim 1, wherein: the left side and the right side of the spraying chamber (3) are respectively provided with a workpiece inlet (26) and a workpiece outlet (27).

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