CN114950899B - Powder spraying system - Google Patents
Powder spraying system Download PDFInfo
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- CN114950899B CN114950899B CN202210764795.8A CN202210764795A CN114950899B CN 114950899 B CN114950899 B CN 114950899B CN 202210764795 A CN202210764795 A CN 202210764795A CN 114950899 B CN114950899 B CN 114950899B
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- 239000000843 powder Substances 0.000 title claims abstract description 205
- 238000005507 spraying Methods 0.000 title claims abstract description 180
- 230000007246 mechanism Effects 0.000 claims abstract description 13
- 238000007664 blowing Methods 0.000 claims abstract description 12
- 239000007921 spray Substances 0.000 claims description 65
- 238000004064 recycling Methods 0.000 claims description 3
- 229940098458 powder spray Drugs 0.000 claims 7
- 238000011084 recovery Methods 0.000 abstract description 20
- 238000000034 method Methods 0.000 abstract description 11
- 239000011248 coating agent Substances 0.000 abstract description 10
- 238000000576 coating method Methods 0.000 abstract description 10
- 230000006378 damage Effects 0.000 abstract description 10
- 230000008569 process Effects 0.000 abstract description 9
- 230000033001 locomotion Effects 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 3
- 230000007613 environmental effect Effects 0.000 abstract description 3
- 239000002699 waste material Substances 0.000 abstract description 2
- 208000028571 Occupational disease Diseases 0.000 description 7
- 230000005540 biological transmission Effects 0.000 description 6
- 239000000428 dust Substances 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 238000004140 cleaning Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000006806 disease prevention Effects 0.000 description 1
- 238000001962 electrophoresis Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000010422 painting Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C19/00—Apparatus specially adapted for applying particulate materials to surfaces
- B05C19/04—Apparatus specially adapted for applying particulate materials to surfaces the particulate material being projected, poured or allowed to flow onto the surface of the work
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C13/00—Means for manipulating or holding work, e.g. for separate articles
- B05C13/02—Means for manipulating or holding work, e.g. for separate articles for particular articles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C15/00—Enclosures for apparatus; Booths
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C19/00—Apparatus specially adapted for applying particulate materials to surfaces
- B05C19/06—Storage, supply or control of the application of particulate material; Recovery of excess particulate material
-
- 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
Abstract
The invention discloses a powder spraying system, in particular to a powder spraying system suitable for a long-strip-shaped or plate-shaped workpiece powder spraying process, which is particularly suitable for the technical field of frame longitudinal beam coating and mainly comprises a first powder spraying device, a conveying device, a second powder spraying device, a recovery device, a powder blowing mechanism, a motion device and a chamber body; the powder spraying system comprises a first powder spraying device, a conveying device, a second powder spraying device and a recovery device, wherein the first powder spraying device, the conveying device, the second powder spraying device and the recovery device are sequentially arranged from top to bottom so as to achieve the technical effect of simultaneously spraying powder on the upper surface and the lower surface of a workpiece, redundant powder is recovered through the recovery device, residual powder on the conveying device can be removed during a gap of the re-spraying operation through a powder blowing mechanism, the conveying device adopts a roller type conveying line mode of arranging a driving wheel on a roller, damage to a spraying surface in the conveying process of the workpiece is reduced, the occupied space of the powder spraying system is small, the area of a factory building is saved, and generated waste is less, and the system is good in environmental protection and economical efficiency.
Description
Technical Field
The invention belongs to the technical field of spraying equipment, and particularly relates to a powder spraying system suitable for a long-strip-shaped or plate-shaped workpiece powder spraying process, which is particularly suitable for the technical field of frame longitudinal beam coating.
Background
The commercial vehicle frame is assembled by a longitudinal beam and a cross beam and is a main body bearing part of a vehicle chassis, and most of the vehicle dead weight and cargo weight are borne. The longitudinal beam is used as a main component of the frame, if the surface coating quality is unqualified, adverse changes such as corrosion, oxidation and the like are easy to occur in a severe outdoor environment, so that the bearing strength of the longitudinal beam is reduced and even broken, serious safety accidents are caused, and the requirements of various commercial vehicle manufacturers at home and abroad on the surface coating performance of the longitudinal beam are higher; the cross section shape of the longitudinal beam is generally a groove shape, the upper surface, the lower surface and the side wings of the conventional powder spraying equipment are often required to be sprayed separately, automatic spraying work and simultaneous spraying of multiple workpieces are difficult to realize, the working efficiency is low, the coating quality is easily disqualified due to uneven powder thickness in repeated spraying, the occupied area is large, the construction and maintenance costs are high, and the excessive powder is difficult to clean; moreover, occupational disease harm is easy to generate in the manual powder spraying process, so that the labor cost and the occupational disease prevention cost are increased; how to realize simple, efficient and high-quality powder spraying of longitudinal beams is a problem to be solved by various manufacturers.
Disclosure of Invention
The invention provides a powder spraying recovery system, which solves the problems that the automatic spraying work of long-strip workpieces such as automobile longitudinal beams, high cost, serious occupational disease hazard, large occupied area, high construction and maintenance cost, difficult cleaning of redundant powder and the like are difficult to realize in the prior art.
The technical scheme adopted by the invention is as follows: a powder spraying system comprises a first powder spraying device, a second powder spraying device, a conveying device and a chamber body; the conveying device comprises a carrying unit, the carrying unit penetrates through two parallel side surfaces of the chamber body and is used for conveying a workpiece along a first direction, the first powder spraying device and the second powder spraying device are arranged in the chamber body, the first powder spraying device can move along the vertical or horizontal direction and is used for spraying powder on the upper surface of the workpiece from top to bottom, the second powder spraying device is used for spraying powder on the lower surface of the workpiece from bottom to top, and the first powder spraying device and the second powder spraying device are arranged in a staggered mode in the first direction.
Further, the carrying unit comprises a plurality of rollers which are arranged in parallel, and a plurality of disc-shaped members for supporting and conveying the workpieces are arranged on each roller at intervals, and the disc-shaped members are coaxial with the rollers.
Further, the first powder spraying device and the second powder spraying device are sequentially arranged along the first direction, and the second powder spraying device is located on the output side of the chamber body.
Further, the first powder spraying device and the second powder spraying device are sequentially arranged along the first direction, a gap between two rollers at the forefront end in the first direction in the chamber body is used as a first gap, and the second powder spraying device is arranged in the first gap.
Further, the disk-shaped member includes a first disk-shaped member provided on each of the rollers located on the rear side of the second powder spraying device in the first direction, and a second disk-shaped member provided on each of the rollers located on the front side of the second powder spraying device in the first direction;
the second disc-shaped member comprises a second sleeve fixedly connected to the roller and teeth circumferentially and uniformly distributed on the side surface of the second sleeve, and the height of the side surface of the disc-shaped member relative to the roller is larger than the height of the side wings of the workpiece.
Further, the first disk member includes a first sleeve fixedly connected to the drum and disks disposed at both sides of the first sleeve, and the diameter of the disks is larger than that of the drum.
Further, the second disc-shaped member comprises a second sleeve fixedly connected to the roller and a plurality of ejector pins circumferentially distributed on the side surface of the second sleeve at intervals, one end of each ejector pin is fixedly connected to the second sleeve, the other end of each ejector pin is a conical top, and the conical top is used for supporting the workpiece.
Further, the second powder spraying device comprises a plurality of second spray gun groups, each second spray gun group comprises three second spray guns which are sequentially arranged along a second direction, the second direction is horizontal and perpendicular to the first direction, the second spray guns in the middle of the second spray gun groups are aligned with the lower surface of the workpiece, and the second spray guns in the two sides of the second spray gun groups are arranged opposite to the side wings of the workpiece.
Further, a powder blowing mechanism is arranged below the first disc-shaped member in the chamber body, and the powder blowing mechanism is used for removing powder on the surface of the first disc-shaped member in the chamber body.
Further, the powder spraying system further comprises a recovery device mounted on the bottom plate of the chamber body and used for recovering excessive powder.
Further, the powder spraying system further comprises a moving device, wherein the moving device is fixedly connected with the first powder spraying device and is used for controlling the first powder spraying device to move.
Further, the powder spraying system further comprises a room body arranged in a hollow mode, the room body is arranged in the room body, and the carrying unit penetrates through two parallel side faces of the room body.
One or more technical schemes provided by the invention have at least the following technical effects or advantages:
1. the carrying unit penetrates through two parallel side surfaces of the chamber body and is used for conveying a workpiece into the chamber body along a first direction, and then the workpiece is conveyed out of the chamber body along the first direction, so that when powder spraying processing is carried out on a workpiece with a large size (such as a long-strip workpiece with the length longer than the distance between the front side and the rear side of the chamber body), the workpiece can be conveyed through the carrying unit to pass through the lower part of the first powder spraying device, the whole powder spraying operation of the workpiece can be completed in the chamber body through the first powder spraying device and the second powder spraying device, the whole workpiece is not required to be completely in the chamber body, and the factory area occupied by the powder spraying recovery system is further saved.
2. Through setting up the room body for the powder spraying area is comparatively closed, and need not to carry out artifical powder spraying, mend powder work, and then reduces personnel and the contact of dust, effectively reduces occupational disease harm.
3. The roller with the same structure and parallel arrangement is used as the carrying unit, so that a gap is formed on the carrying surface of the carrying unit, conditions are provided for carrying out powder spraying operation on the upper surface and the lower surface of the workpiece at the same time, and the second powder spraying device is arranged in the chamber and below the roller, so that the technical effect of carrying out powder spraying on the upper surface and the lower surface of the workpiece at the same time is realized, the operation efficiency is improved, the contact between the sprayed powder parts and the carrying unit caused by respectively spraying powder on the upper surface and the lower surface of the workpiece is reduced, and the powder spraying quality is improved.
4. Through set gradually in the first direction first powder spraying device the second powder spraying device makes the powder spraying area of first powder spraying device and second powder spraying device does not coincide, reduces in the operation of spraying powder first powder spraying device with the mutual disturbance of second powder spraying device spun powder, just the second powder spraying device is located the output side of room body, will the second powder spraying device sets up near the rear end in the first direction, can reduce the lower surface spraying of work piece is accomplished the required contact the cylinder (or is being the disc component on the cylinder) number, reduces because of carrying the damage to work piece lower extreme spraying face that the work piece caused improves the powder spraying quality.
5. The area of the conveying surface of the carrying unit, which is in contact with the lower surface of the workpiece, can be further reduced by arranging the disc-shaped members, and meanwhile, the defect of spraying quality caused by adhesion of powder remained on the conveying surface of the carrying unit to the lower surface of the workpiece is also reduced, and the spraying quality is improved.
6. Through setting up the second disc component, make the second disc component include fixed connection be in sleeve and circumference evenly distributed on the side surface of sleeve the thimble, through in the transportation process of work piece, only make the conical tip of thimble with the lower surface contact of work piece, make the lower surface spraying of work piece accomplish the back with the area of contact of delivery unit further reduces, reduces because of carrying the damage to work piece lower extreme spraying face that causes the work piece, avoids producing coating surface orange skin, pit and inhomogeneous phenomenon, further improvement powder spraying quality.
7. Aligning the second spray gun positioned in the middle with the lower surface of the workpiece through the second spray gun group, so that the second spray gun positioned in the middle is mainly responsible for spraying operation of the lower surface of the workpiece; the second spray guns on two sides of the second spray gun group are arranged relative to the side wings of the workpiece, so that the second spray guns on two sides can spray the side surfaces of the workpiece.
8. Through setting up recovery unit, retrieve the unnecessary powder of spraying operation in and recycle, improved the utilization ratio of powder, reduced dust pollution simultaneously, the discarded object of production is few, and terminal treatment requires less, and the feature of environmental protection is good.
9. Through setting up blow powder mechanism, realized in the room internal to the automatic clearance of residual powder on the carrying unit avoids being infected with because of residual powder on the carrying unit arrives the surface of work piece, and then influences the spraying quality, simultaneously, realized the automatic clearance to residual powder, improved the powder utilization ratio, still reduced the process of personnel's clearance residual powder, and then reduced personnel and the contact of dust, reduce occupational disease harm.
10. Through setting up the motion device, control the first powder spraying device reciprocates, with level and perpendicular to the reciprocating motion of first direction has realized the relative position of first powder spraying device with the work piece is adjustable and controllable, and has realized in the spraying operation first powder spraying device can follow the level and perpendicular to the function of reciprocating motion in the first direction makes the spraying operation in-process, the spraying of first powder spraying device is more even.
11. By arranging the house body, the tightness of the powder spraying system is further improved, and dust pollution and occupational disease harm caused by redundant powder are reduced.
Drawings
In order to more clearly illustrate the technical solutions of the present invention, the drawings that are needed in the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram showing a front view of a powder coating system according to the present embodiment;
FIG. 2 is a schematic right-side view of the powder spraying system according to the present embodiment;
fig. 3 is a schematic front view of a first powder spraying device, a second powder spraying device, a moving device and a chamber in the powder spraying system according to the embodiment;
fig. 4 is a schematic right-view structural diagram of a first powder spraying device, a second powder spraying device, a moving device, a recycling device and a chamber in the powder spraying system according to the embodiment;
FIG. 5 is a schematic diagram showing a front view of a conveying device in the powder spraying system according to the present embodiment;
FIG. 6 is a schematic top view of a conveying device in the powder spraying system according to the present embodiment;
FIG. 7 is a schematic diagram showing the relationship between the first disc member and the powder blowing mechanism in the powder spraying system according to the present embodiment;
FIG. 8 is a schematic front view of a second disc-shaped member in the powder coating system according to the present embodiment;
fig. 9 is a schematic side view of a second disc-shaped member in the powder coating system according to the present embodiment.
Wherein: 1-conveying device, 2-first powder spraying device, 3-chamber, 4-second powder spraying device, 5-recovery device, 6-powder blowing mechanism, 7-moving device, 8-chamber and 9-workpiece;
101-a carrying unit and 102-a driving unit;
10101-a roller, 10102-a first disk-shaped member, 10103-a second disk-shaped member;
10201-a driving motor, 10202-a transmission assembly, 10203-a driven assembly, 10204-a first bracket, 10205-a second bracket;
201-a first spray gun; the method comprises the steps of carrying out a first treatment on the surface of the
301-input window, 302-output window;
401-a second spray gun;
601-air pipe, 602-air tap;
701-a reciprocating unit, 702-a lifting unit and 703-a connecting part;
70101-floor, 70102-moving section.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the examples described are only some, but not all, examples of the present invention.
As shown in fig. 1 and 2, the present embodiment provides a powder spraying system, which includes a conveying device 1, a first powder spraying device 2, a chamber 3, a second powder spraying device 4, a recovery device 5, a powder blowing mechanism 6, a movement device 7 and a chamber 8;
the first powder spraying device 2, the second powder spraying device 4 and the recovery device 5 are all arranged in the chamber body 3, and the chamber body 3 is arranged in the chamber body 8;
the first powder spraying device 2, the conveying device 1, the second powder spraying device 4 and the recovery device 5 are sequentially arranged from top to bottom;
as shown in fig. 1 and 2, the conveying device 1 includes a carrying unit 101 and a driving unit 102, two parallel sides of the chamber body 3 are respectively provided with an input window 301 and an output window 302, the carrying unit 101 is horizontally disposed and vertically passes through the input window 301 and the output window 302, the carrying unit 1 is configured to send a workpiece 9 into the chamber body 3 along a first direction through the input window 301 on the chamber body 3, and then send the workpiece 9 out of the chamber body 3 along the first direction through the output window 302 on the chamber body 3; that is, in this embodiment, the first direction is a direction that is horizontal and perpendicular to the input window 301 and the output window 302, and the first direction is directed from one side of the input window 301 to one side of the output window 302 (i.e., the first direction is a direction from right to left in fig. 2).
The room body 3 is arranged in the room body 8, the conveying device 1 passes through two parallel side surfaces of the room body 8, and the tightness of the powder spraying system is further improved by arranging the room body, so that dust pollution and occupational disease harm caused by redundant powder are reduced.
In this embodiment, the carrying unit 101 vertically passes through two parallel sides (not shown) of the housing 8, and sends the workpiece 9 into the housing 8 (not shown) through a feed port on the housing 8 in a first direction, and then sends the workpiece 9 out of the housing 8 (not shown) through a discharge port on the housing 8 in the first direction.
The function of the moving device 7 can be achieved by using various spraying reciprocators which can be lifted, and the installation position of the moving device 7 comprises but is not limited to: the movable device 7 is arranged outside the room body 8 and is arranged at the top of the room body, between the room body 3 and the room body 8 or in the room body 3 and is arranged on a top plate of the room body 3, in the embodiment, as shown in fig. 1, 2, 3 and 4, the movable device 7 comprises a reciprocating unit 701, a lifting unit 702 and a connecting part 703, the reciprocating unit 701 comprises a bottom plate 70101 and a movable part 70102, the bottom plate 70101 is fixedly connected to the top surface outside the room body 8, the movable part 70102 is movably connected to the bottom plate 70101, so that the movable part 70102 can reciprocate on the bottom plate 70101 in a second direction, the second direction is horizontal and perpendicular to the first direction, and the lifting unit 702 is movably connected to the movable part 70102, so that the lifting unit 702 can move downwards on the movable part 70102 in a direction perpendicular to the horizontal plane;
as shown in fig. 3 and 4, the first powder spraying device 2 includes a plurality of first spray gun groups, the first spray gun groups include a plurality of first spray guns 201, the connection portion 703 penetrates into the interior of the chamber body 3 through a first moving groove arranged at the top end of the chamber body 8 and a second moving groove arranged at the top end of the chamber body 3, and is fixedly connected with each first spray gun, the connection portion 703 is fixedly connected with the lifting unit 702, and by a control instruction, the first spray guns 201 can reciprocate at a required speed in the second direction and a direction perpendicular to a horizontal plane, and also the height position of the first spray guns 201 relative to the workpiece 9 can be adjusted;
the size and shape of the moving groove are set so that all the first spray guns 201 can reciprocate in the second direction and the direction perpendicular to the horizontal plane according to the designed travel range.
As shown in fig. 5 and 6, the carrying unit 101 includes a plurality of rollers 10101 having the same structure and being disposed in parallel, in this embodiment, the carrying unit 101 includes more than 5 rollers 10101 shown in fig. 1 to 4 (e.g., the rollers 10101 disposed outside the room 8 due to the conveying device 1 penetrating out of two parallel sides of the room 8).
The driving unit 102 includes a driving motor 10201, a transmission assembly 10202, a driven assembly 10203, a first bracket 10204, and a second bracket 10205; the first bracket 10204 and the second bracket 10205 are respectively arranged at two sides of the chamber body 3; the driving motor 10201 is mounted on the first bracket 10204, the transmission assembly 10202 is connected with the driving motor 10201, and the driven assembly 10203 is fixedly mounted on the second bracket 10205; one end of each roller 10101 is connected with the first bracket 10204 through the transmission assembly 10202, the other end of each roller 10101 is connected with the second bracket 10205 through the driven assembly 10203, the rollers 10101 are driven to rotate in a plane perpendicular to the axis of the rollers 10101 through the transmission assembly 10202 by the rotation of the driving motor 10201, so as to convey workpieces along the first direction, and in the embodiment, the transmission assembly 10202 comprises a gear fixedly connected with one end of each roller 10101 and a chain meshed and connected between the gear and the output end of the driving motor; the driven assembly 10203 is a bearing with an inner hole rotatably connected to the other end of each roller 10101, and the bearing is fixedly connected to the second bracket 10205.
A plurality of disc-shaped members for supporting and conveying the workpieces are arranged on each roller 10101 at intervals, the disc-shaped members are coaxial with the rollers 10101, for example and without limitation, in this embodiment, 6 disc-shaped members are fixedly connected to each roller 10101 according to a design interval, the disc-shaped members are coaxial with the rollers 10101, all the disc-shaped members arranged on all the rollers 10101 form a rectangular array arrangement, the disc-shaped members at the same position on each roller 10101 jointly form a conveying line, the conveying line is used for conveying single workpieces, in this embodiment, 6 conveying lines are used in total, and the design interval can be determined according to the fact that the conveying line can simultaneously complete conveying of 6 workpieces 9 (mainly strip-shaped workpieces such as longitudinal beams and transverse beams of automobiles) of various sizes in a first direction.
The first powder spraying device 2 and the second powder spraying device 4 are sequentially arranged along the first direction, so that the powder spraying areas of the first powder spraying device and the second powder spraying device are not overlapped, disturbance between powder sprayed by the first powder spraying device and powder sprayed by the second powder spraying device in powder spraying operation is reduced, the second powder spraying device 4 is positioned at the output side of the chamber body 3, and the number of disc-shaped members required to be contacted after the lower surface of the workpiece is sprayed can be reduced by arranging the second powder spraying device at the rear end in the first direction, damage to the spraying surface at the lower end of the workpiece caused by conveying the workpiece is reduced, and the powder spraying quality is improved, for example, but not limited to: in this embodiment, as shown in fig. 1 and 2, the first powder spraying device 2 is disposed at a side of the chamber 3 near the input window 301, the second powder spraying device 4 is disposed below a gap between two adjacent rollers 10101 closest to the output window 302, and the second powder spraying device 4 is used for spraying powder on the lower surface of the workpiece 9.
The first powder spraying device 2 comprises at least one first spray gun group, the second powder spraying device 4 comprises at least one second spray gun group, at least one first spray gun 201 is arranged above each conveying line, and at least one second spray gun 401 is arranged below each conveying line; the number of settings of the first spray gun 201 and the second spray gun 401 is determined according to the number of arrangement of the conveyor lines and the actual painting needs for the workpieces 9 conveyed on each of the conveyor lines, such as, but not limited to: in this embodiment, as shown in fig. 3 and 4, the number of the first spray gun groups and the number of the second spray gun groups are determined according to the number of the conveying lines, the first powder spraying device 2 comprises 6 first spray gun groups, the second powder spraying device 4 comprises 6 second spray gun groups, one first spray gun group is arranged above each conveying line, the first spray gun groups are composed of two first spray guns 201 symmetrically arranged relative to the central line of the conveying line, one second spray gun group is arranged below each conveying line, the second spray gun groups are composed of 3 second spray guns 401 symmetrically arranged relative to the central line of the conveying line, by the arrangement, the powder spraying areas of the first powder spraying device 2 and the second powder spraying device 4 are larger, and by matching with the moving device 7, the powder spraying of the first powder spraying device can be more uniform, meanwhile, the second spray guns located in the middle of the second spray gun groups are aligned with the central line of the first spray gun 201, the second spray gun groups are aligned with the central line of the workpiece 9, and the second spray guns located on the two sides of the second spray gun groups are aligned with the lateral surfaces of the second spray guns 401 located on the two sides of the workpiece 9.
As shown in fig. 2, 5 and 6, in the present embodiment, the disc-shaped members include a first disc-shaped member 10102 and a second disc-shaped member 10103, the first disc-shaped member 10102 is disposed on each of the rollers 10101 located on the front side of the second powder spraying device 4 in the first direction (i.e., on the left side of the second powder spraying device 4 in fig. 2), and the second disc-shaped member 10103 is disposed on each of the rollers 10101 located on the rear side of the second powder spraying device in the first direction (i.e., on the right side of the second powder spraying device 4 in fig. 2);
since the portion of the lower surface of the workpiece 9, which is in contact with the first disk member 10102, is not yet sprayed by the second spray gun 401, the first disk member 10102 may be a roller of various types (for example, but not limited to, in this embodiment, as shown in fig. 7, the first disk member 10102 includes a first sleeve fixedly connected to the drum and disks disposed on both sides of the first sleeve, the disks having a diameter larger than that of the drum, and the first sleeve is fixedly connected to the drum 10101 by a pin shaft);
the second disc-shaped member 10103 comprises a second sleeve fixedly connected to the roller 10101 and teeth uniformly distributed on the side surface of the second sleeve in the circumferential direction, the height of the first disc-shaped member 10102 relative to the roller is the same as the height of the teeth of the second disc-shaped member 10103 relative to the roller and is larger than the flank height of the workpiece 9, the teeth are arranged in a plurality of ways (for example, but not limited to, as shown in fig. 8 and 9, the second disc-shaped member 10103 comprises a second sleeve and a plurality of ejector pins arranged on the left end and the right end of the side surface of the second sleeve, the ejector pins are uniformly distributed on the second sleeve in the circumferential direction, one end of each ejector pin is fixedly connected to the second sleeve, the other end of each ejector pin is a conical top for supporting the workpiece, and the part of the lower surface of the workpiece 9, which is sprayed through the second spray gun 401, only needs to be contacted with the conical top in the subsequent transportation process, so that the contact area is further reduced, the damage to the lower surface of the workpiece 9 caused by the powder sprayed and the lower surface of the workpiece is further improved.
As shown in fig. 2 and 4, the recovery device 5 is installed on the bottom plate in the chamber body 3, after the workpiece 9 enters the powder spraying area, the first spray gun 201 and the second spray gun 401 start to work, uniformly spray powder, and attach to all surfaces of the workpiece 9, the recovery device 5 is used for recovering excessive powder, and the function of the recovery device 5 can be achieved by selecting various devices, for example, but not limited to: in this embodiment, the recovery device 5 is a negative pressure dust collection device, and the excessive powder can be reused after recovery treatment by the recovery device 5.
In order to realize automatic cleaning of the residual powder on the carrying unit in the chamber body and avoid the influence on the spraying quality due to the fact that the residual powder on the carrying unit is stained on the surface of the workpiece, the invention provides that a powder blowing mechanism 6 is arranged below the first disc-shaped member 10102 in the chamber body 3, and the powder blowing mechanism 6 is used for cleaning the powder on the surface of the first disc-shaped member 10102 in the chamber body 3. "technical scheme.
The above technical solutions have various embodiments in practical applications, such as but not limited to: in this embodiment, as shown in fig. 1, 2 and 7, the powder blowing mechanism 6 includes an air pipe 601 and a plurality of air nozzles 602, two air nozzles are symmetrically disposed below the first disc-shaped member 10102 in the chamber, the two symmetrically disposed air nozzles are respectively aligned with the circumferential surfaces of the two wheel discs of the first disc-shaped member 10102, the air nozzles 602 are communicated with the air pipe 601, and the air pipe 601 is externally connected with compressed air.
Since the roller 10101 does not contact the workpiece 9 in this embodiment, the lower surface of the workpiece 9 contacts only the disk-shaped member, and the workpiece 9 contacts only the tip of the ejector pin of the second disk-shaped member 10103, the air tap 602 is disposed only under the first disk-shaped member disposed inside the chamber 3 in this embodiment considering that the powder is hardly adhered to the tip of the ejector pin, but the embodiment in which the air tap 602 is disposed under the second disk-shaped member 10103 also inside the chamber 3 is not excluded.
The workflow of spraying by using the spraying system provided in this embodiment has various setting manners, for example, but not limited to: after the workpiece 9 at least partially enters the chamber 3 through the input window 301 on the conveying device 1, the first powder spraying device 2, the second powder spraying device 4 and the recovery device 5 are started, the workpiece 9 is driven by the conveying device 1 to move at a constant speed, the upper surface of the workpiece 9 is sprayed with powder through the first spray gun 201, the lower surface of the workpiece 9 is sprayed with powder through the second spray gun 401, meanwhile, the first spray gun 201 and the second spray gun 401 both consider the powder spraying of the side surface of the workpiece 9, and whether the motion device 7 is started in the process to drive the first spray gun 201 to move up and down or reciprocate in the second direction can be determined according to the requirement of actual spraying.
The section of the workpiece 9 after spraying is separated from the chamber 3 through the output window 302, after the whole workpiece 9 is sprayed, the first powder spraying device 2 and the second powder spraying device 4 stop working, meanwhile, the powder blowing mechanism 6 starts working, and residual powder coated on the first disc-shaped member 10102 in the chamber 3 is blown off by compressed air flow, so that powder accumulation is avoided, and the subsequent powder spraying quality on the lower surface of the workpiece 9 is not affected.
The invention is suitable for the powder spraying operation of the strip-shaped or plate-shaped workpieces, and is particularly suitable for the powder spraying and coating operation of the frame longitudinal beams.
In conclusion, the powder spraying recovery system provided by the invention has the advantages of small occupied space, factory building area saving, high powder spraying quality, less waste, less terminal treatment requirement and good environmental protection; the total cost is lower than that of the traditional electrophoresis process, and the economy is good.
The electronic control unit, which is not described in detail in this specification, belongs to the prior art known to those skilled in the art, and is therefore not described in detail.
While the foregoing is directed to the preferred embodiments of the present invention, it will be appreciated by those skilled in the art that changes and modifications may be made without departing from the principles of the invention, such changes and modifications are also intended to be within the scope of the invention.
Claims (7)
1. A powder spray coating system, characterized by: comprises a first powder spraying device, a second powder spraying device, a conveying device and a chamber body; the conveying device comprises a carrying unit, the carrying unit penetrates through two parallel side surfaces of the chamber body and is used for conveying a workpiece along a first direction, the first powder spraying device and the second powder spraying device are arranged in the chamber body, the first powder spraying device can move along the up-down or horizontal direction and is used for spraying powder on the upper surface of the workpiece from top to bottom, the second powder spraying device is used for spraying powder on the lower surface of the workpiece from bottom to top, and the first powder spraying device and the second powder spraying device are arranged in a staggered mode in the first direction;
the carrying unit comprises a plurality of rollers which are arranged in parallel, a plurality of disc-shaped members for supporting and conveying the workpieces are arranged on each roller at intervals, and the disc-shaped members are coaxial with the rollers;
the disk-shaped member includes a first disk-shaped member provided on each of the rollers located on the rear side of the second powder spraying device in the first direction, and a second disk-shaped member provided on each of the rollers located on the front side of the second powder spraying device in the first direction;
the second disc-shaped member comprises a second sleeve fixedly connected to the roller and teeth circumferentially and uniformly distributed on the side surface of the second sleeve, and the height of the side surface of the disc-shaped member relative to the roller is larger than the height of the side wings of the workpiece;
the second powder spraying device comprises a plurality of second spray gun groups, each second spray gun group comprises three second spray guns which are sequentially arranged along a second direction, the second direction is horizontal and perpendicular to the first direction, the second spray guns in the middle of the second spray gun groups are aligned to the lower surface of the workpiece, and the second spray guns in the two sides of the second spray gun groups are arranged relative to the side wings of the workpiece; the second spray guns on two sides can spray the side surfaces of the workpiece.
2. The powder spray system of claim 1, wherein: the first powder spraying device and the second powder spraying device are sequentially arranged along the first direction, and the second powder spraying device is located on the output side of the chamber body.
3. The powder spray system of claim 1, wherein: the first disk-shaped member comprises a first sleeve fixedly connected to the roller and disks arranged on two sides of the first sleeve, and the diameter of each disk is larger than that of the roller.
4. The powder spray system of claim 1, wherein: the second disc-shaped member comprises a second sleeve fixedly connected to the roller and a plurality of thimble circumferentially distributed on the side surface of the second sleeve at intervals, one end of the thimble is fixedly connected to the second sleeve, the other end of the thimble is a conical top, and the conical top is used for supporting the workpiece.
5. The powder spray system of claim 1, wherein: and the powder blowing mechanisms are arranged below the first disc-shaped components in the chamber body and are used for removing powder on the surfaces of the first disc-shaped components in the chamber body.
6. The powder spray system of claim 1, wherein: the recycling device is arranged on the bottom plate in the chamber body and used for recycling redundant powder.
7. The powder spray system of claim 1, wherein: the device also comprises a moving device, wherein the moving device is fixedly connected with the first powder spraying device and is used for controlling the first powder spraying device to move.
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| CN202210764795.8A CN114950899B (en) | 2022-06-29 | 2022-06-29 | Powder spraying system |
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| CN202210764795.8A CN114950899B (en) | 2022-06-29 | 2022-06-29 | Powder spraying system |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101474607A (en) * | 2008-09-19 | 2009-07-08 | 北京星和众工设备技术有限公司 | Single sheet type sheet metal roll coating mechanism |
| DE102011005887A1 (en) * | 2010-09-17 | 2012-03-22 | Manroland Ag | Device for automated powder extraction and disposal of remaining stocks of powder in bow stand of sheet-fed rotary printing machine, has endlessly revolving conveyor system for printing sheets which are stored on stack of sheets |
| JP2014004730A (en) * | 2012-06-22 | 2014-01-16 | Kmew Co Ltd | Roll pressure device and cleaning method of pressure roll |
| CN205703254U (en) * | 2016-03-30 | 2016-11-23 | 潍坊东方钢管有限公司 | The steel guardrail production line of epoxy zinc-base polyester composite coating |
| CN107350101A (en) * | 2017-07-27 | 2017-11-17 | 广东创智智能装备有限公司 | Automobile soldering electrostatic coating system |
| CN213612189U (en) * | 2020-11-11 | 2021-07-06 | 浙江久石工研建材科技有限公司 | Water-based protective agent spraying and recycling device |
-
2022
- 2022-06-29 CN CN202210764795.8A patent/CN114950899B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101474607A (en) * | 2008-09-19 | 2009-07-08 | 北京星和众工设备技术有限公司 | Single sheet type sheet metal roll coating mechanism |
| DE102011005887A1 (en) * | 2010-09-17 | 2012-03-22 | Manroland Ag | Device for automated powder extraction and disposal of remaining stocks of powder in bow stand of sheet-fed rotary printing machine, has endlessly revolving conveyor system for printing sheets which are stored on stack of sheets |
| JP2014004730A (en) * | 2012-06-22 | 2014-01-16 | Kmew Co Ltd | Roll pressure device and cleaning method of pressure roll |
| CN205703254U (en) * | 2016-03-30 | 2016-11-23 | 潍坊东方钢管有限公司 | The steel guardrail production line of epoxy zinc-base polyester composite coating |
| CN107350101A (en) * | 2017-07-27 | 2017-11-17 | 广东创智智能装备有限公司 | Automobile soldering electrostatic coating system |
| CN213612189U (en) * | 2020-11-11 | 2021-07-06 | 浙江久石工研建材科技有限公司 | Water-based protective agent spraying and recycling device |
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| CN114950899A (en) | 2022-08-30 |
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