CN209476556U - A kind of heterochromatic spraying one-shot forming production line of powdery paints - Google Patents
A kind of heterochromatic spraying one-shot forming production line of powdery paints Download PDFInfo
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- CN209476556U CN209476556U CN201822167544.3U CN201822167544U CN209476556U CN 209476556 U CN209476556 U CN 209476556U CN 201822167544 U CN201822167544 U CN 201822167544U CN 209476556 U CN209476556 U CN 209476556U
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Abstract
The utility model discloses a kind of heterochromatic spraying one-shot forming production lines of powdery paints, including suspended chain and the first powder spraying chamber and the second powder spraying chamber that are successively set on outside suspended chain, suspended chain is hung oneself equipped with several suspenders, and the driving mechanism for driving suspender rotation is provided in the second powder spraying chamber；It is provided with the paint spray nozzle communicated with coating storage tank in first powder spraying chamber and the second powder spraying chamber, several gas nozzles communicated with gas source are additionally provided in the second powder spraying chamber；First dust indoor paint spray nozzle and the second powder spraying chamber gas nozzle unanimously towards the top surface of the hung workpiece of suspender or top surface motion profile or bottom surface or bottom surface motion profile, the air-flow of gas nozzle is less than the horizontal projected area of the hung workpiece corresponding top surface of suspender or bottom surface in the coverage area of top surface motion profile or bottom surface motion profile.The heterochromatic spraying one-shot forming production line of powdery paints changes the motion profile of secondary dusty spray using air-flow guiding role, prevents secondary dusty spray and is adsorbed on a spray-coating surface.
Description
Technical field
The utility model relates to powder spray coating device fields, and in particular to a kind of heterochromatic spraying one-pass molding of powdery paints is raw
Producing line.
Background technique
I-beam wheel in the prior art generallys use powder thermosetting such as epoxy powder and sprays, and is passing through hot setting,
Bright clean and tidy, the uniform coating of color paint film is finally formed in I-shaped wheel surface.In order to distinguish the both forward and reverse directions of coiling, I-beam wheel
The outside disc face color of end flange disk and the color of other positions are inconsistent.
The operating process of two-double spray coating is as described in CN106862043A in the prior art, comprising the following steps: to need
The region chromatic jet printing paint for wanting chromatography to handle carries out coating quality inspection after drying；Masking operation is carried out to trap region；To not
The region of masking is surface-treated；This colored paint is sprayed to uncovered region, coating quality inspection is carried out after drying；Removal hides
It covers；Vehicle lacquer varnish carries out integral spray quality inspection after drying；Terminate spraying.The double-colored spraying packet of similar I-beam wheel
It includes following steps: integral spray being carried out to I-beam wheel first or slightly avoids heterochromatic disk spraying, fully one-step solidification is formed
Then paint film holds a flange surface of I-beam wheel, the disk of another ring flange is pressed on the round powder injection hole of powder spraying chamber
It carries out the secondary of disk to dust, secondary curing finally is carried out to I-beam wheel again.Above-mentioned production process is as follows:
Firstly, step multi-process is many and diverse, one-step solidification must be abundant, is otherwise easy to appear I-beam wheel and round powder injection hole contact portion heat
The problem of solidity powder is removed；Secondly, temperature required for sufficiently solidifying is 220 DEG C or so by taking epoxy thermosetting powder as an example,
Shi Changwei 20min or so, solidification energy consumption is larger twice and takes a long time；Again, it just can be carried out after being fully cooled after solidification secondary
It dusts, manual operation load is big, and various sizes of I-beam wheel also needs to configure round powder injection hole of corresponding size.Above-mentioned powder injection process
Apply equally to other heterochromatic stereochemical structure products of one side.
Therefore, it is necessary to which heterochromatic spraying equipment in the prior art and spraying process are improved and are optimized.
Utility model content
The purpose of the utility model is to overcome defects existing in the prior art, provide a kind of heterochromatic spraying of powdery paints
One-shot forming production line completes top surface or the heterochromatic coating in bottom surface using the loss direction of air-flow directing powder paint.
In order to realize above-mentioned technical effect, the technical solution of the utility model are as follows: a kind of heterochromatic spraying of powdery paints is primary
Forming production line, which is characterized in that including suspended chain and the first powder spraying chamber and the second powder spraying chamber that are successively set on outside suspended chain,
The suspended chain is hung oneself equipped with several suspenders, and the driving mechanism for driving suspender rotation is provided in the second powder spraying chamber；Described
The paint spray nozzle communicated with coating storage tank is provided in one powder spraying chamber and the second powder spraying chamber, be additionally provided in the second powder spraying chamber with
Several gas nozzles that gas source communicates；
Described first dust indoor paint spray nozzle and the second powder spraying chamber gas nozzle unanimously towards the hung workpiece of suspender
Top surface or top surface motion profile or bottom surface or bottom surface motion profile, the air-flow of gas nozzle is at the top surface motion profile or bottom
The coverage area of face motion profile is less than the horizontal projected area of the hung workpiece corresponding top surface of suspender or bottom surface.
Preferred technical solution is that the first powder spraying chamber, the first heat cure room, the second powder spraying chamber are disposed with outside suspended chain
With the second heat cure room.
Preferred technical solution is that the spray angle of the gas nozzle and the angle of horizontal plane are less than 45 °.
Preferred technical solution is that gas nozzle is air knife, and the edge of a knife of air knife and the angle of horizontal plane are 5~20 °.
Preferred technical solution is that the suspender is gear rotary hanger, and driving mechanism is arranged below suspended chain, driving
Mechanism includes synchronous belt, driving motor and at least two synchronous pulleys, and synchronous belt tensioning is arranged outside at least two synchronous pulleys, synchronous
The tooth of band is meshed with the tooth of horizontal gear in gear rotary hanger, and the driving end of driving motor is connected with synchronous pulley.
Spraying process the following steps are included:
S1: using the bottom surface or top surface of the first powder thermosetting spraying hanging like workpiece；
The heat cure of S2: the first time；
S3: hanging like workpiece is imported in the cavity with flat updraft or downdraught, while workpiece rotation
Using the residual surface of the second powder thermosetting spraying hanging like workpiece, the first powder thermosetting and the second powder thermosetting color
It is different；
S4: second heat cure workpiece；
Flat updraft or downdraught are towards the S1 spray-coating surface edge or S1 spray-coating surface motion profile of workpiece in S3.
Preferred technical solution is that the first time heat curing temperature in S2 is lower than second of heat curing temperature in S4.
Preferred technical solution is, first powder thermosetting and the second powder thermosetting are epoxy powder, in S2
First time heat curing temperature be 140~200 DEG C, first time thermal curing time is 7~20min, second of heat cure temperature in S4
Degree is 210~240 DEG C, and second of thermal curing time is 10~30min.
Preferred technical solution is that workpiece is I-beam wheel, and the top surface or bottom surface of workpiece are the outside of one ring flange of I-beam wheel
Disk.
Advantages and beneficial effects of the utility model lie in that
It is provided in the heterochromatic spraying one-shot forming production line of the powdery paints and sprays twice, using gas nozzle to workpiece
Jet-stream wind on heterochromatic top surface or bottom surface changes the motion profile of coating powder in spraying process using the guiding role of air-flow,
The powdery paints for preventing secondary spraying is adsorbed on the heterochromatic top surface or bottom surface of workpiece；
The heterochromatic junction transitions smooth of the I-beam wheel obtained through above-mentioned production wire spraying is naturally, heterochromatic junction interface is clear
It is clear；
The heterochromatic spraying process of the powdery paints successively includes primary spraying, first time heat cure, secondary spraying, second of heat
Solidify four steps, compared with prior art, the temperature of first time heat cure is low compared with second of heat cure, first time thermal curing time
Short, energy consumption and single Workpiece painting time-consuming are smaller；
Technical process is all made of suspended chain driving walking, and manual operation load is few, high degree of automation.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the heterochromatic spraying one-shot forming production line of 1 powdery paints of embodiment；
Fig. 2 is the partial enlarged view of A in Fig. 1；
Fig. 3 is the partial enlarged view of the second powder spraying chamber of Fig. 1；
Fig. 4 is the structural schematic diagram of workpiece and gas nozzle on suspended chain extending direction in embodiment 1；
Fig. 5 is the structural schematic diagram of the heterochromatic spraying one-shot forming production line of 2 powdery paints of embodiment；
Fig. 6 is the partial enlarged view of B in Fig. 5；
Fig. 7 is the structural schematic diagram of workpiece and gas nozzle on suspended chain extending direction；
Fig. 8 is the structural schematic diagram of workpiece and gas nozzle and paint spray nozzle on suspended chain extending direction in embodiment 3.
In figure: 1, suspended chain；2, the first powder spraying chamber；3, the second powder spraying chamber；4, the second heat cure room；5, suspender；6, it drives
Mechanism；61, synchronous belt；62, driving motor；63, synchronous pulley；7, coating storage tank；8, paint spray nozzle；9, gas nozzle；91,
One air knife；92, the second air knife；10, gas source；11, the first heat cure room；12, horizontal gear；B, workpiece.
Specific embodiment
With reference to the accompanying drawings and examples, specific embodiment of the present utility model is further described.Implement below
Example is only used for clearly illustrating the technical solution of the utility model, and cannot be used as a limitation the protection model of limitation the utility model
It encloses.
[position of gas nozzle]
Gas nozzle in second powder spraying chamber may be provided at the top of workpiece, also can be set in the lower section of workpiece, due to
Suspender is provided between workpiece and suspended chain, gas nozzle is arranged above workpiece, and air-flow unavoidably will receive suspender and work
The blocking of connector between part, it is preferred that the lower section of workpiece is arranged in gas nozzle.
Workpiece in suspended chain dust walking non-for spinning under state when, first dusts indoor paint spray nozzle and second
Towards the top surface of the hung workpiece of suspender or bottom surface or top surface, the workpiece in suspended chain dusts under state the gas nozzle of powder spraying chamber
When for spinning and walking, first dust indoor paint spray nozzle and the second powder spraying chamber gas nozzle towards the hung work of suspender
The top surface motion profile or bottom surface motion profile of part.
[gas nozzle type selecting]
Gas nozzle must meet claimed below: the air-flow of gas nozzle is in the top surface motion profile or bottom surface motion profile
Coverage area be less than the horizontal projected area of the hung workpiece corresponding top surface of suspender or bottom surface, i.e., certain workpiece is run to gas in a flash
When body nozzle coverage area, the vertical periphery side of workpiece or a part are located in the air-flow coverage area of gas nozzle, and second
The vertical periphery of workpiece is arranged in not by the range of airflow influence in the paint spray nozzle of powder spraying chamber.In order to guarantee the equal of coating powder
Even absorption avoids a large amount of coating powder from entering coating powder recyclable device with the air-flow of gas nozzle and cause to waste, gas
The air-flow of nozzle need to become small control in the coverage area of the top surface motion profile or bottom surface motion profile.
The specific type of gas nozzle includes but is not limited to hollow cone nozzle, solid-cone (type) nozzle, fan nozzle and air knife.Base
It need to become the requirement of small control in the air-flow of gas nozzle in the coverage area of the top surface motion profile or bottom surface motion profile, gas
The preferred kind of body nozzle be flat gas nozzle, the air-flow that flat gas nozzle is sprayed be it is flat, specific type selecting includes
But it is not limited to fan nozzle and air knife, further preferably sprays the air knife of laminar air-flow.
[position of paint spray nozzle]
Paint spray nozzle is close with the workpiece surface to be coated in the prior art.By taking I-beam wheel as an example, if first dusts
Coated face is the flange in the bottom disk of I-beam wheel in room, and the top flange of I-beam wheel is arranged in the paint spray nozzle in the first powder spraying chamber
Near disk, middle cylinder.
[gas source]
Gas source includes but is not limited to compressed air, can also be the air that air blower blasts, it is preferred that air blower and air
Filter assemblies connection, to reduce the fraction of particle such as the dust in air, optimizes the painting effect of powdery paints.
[position of flat gas nozzle and air outlet angle]
When workpiece top surface or bottom surface are planar, airflow direction and workpiece top surface or bottom that fan nozzle and air knife are sprayed
The angle in face is unrestricted, can be perpendicular with workpiece top surface or bottom surface, or there are obtuse angle or acute angles with workpiece top surface or bottom surface
Angle.
The edge of a knife of further preferred air knife is in slightly skewed.By taking air knife is arranged below workpiece motion s track as an example, when
The thin slice air-flow moment that air knife is ejected slightly tilts to the edge of work from workpiece bottom, and the edge of thin slice air-flow, which tilts upward, to be penetrated
To Workpiece periphery, i.e., the loss powder in the second powder spraying chamber is blowed into adjacent workpiece；When the thin slice air-flow that air knife is ejected
Moment can then blow to the loss powder in the second powder spraying chamber above air knife from workpiece bottom slightly to inclination on the inside of workpiece outer profile
Workpiece.
Air knife is arranged in the upper area of workpiece top surface motion profile or in the lower zone of bottom surface motion profile, or
One end of air knife is located in the upper area of workpiece top surface motion profile or in the lower zone of bottom surface motion profile, other end position
In in the upper area of workpiece top surface motion profile or outside the lower zone of bottom surface motion profile, i.e., air knife is corresponding across work up and down
The motion profile in the heterochromatic face of part.
The angle of the edge of a knife and horizontal plane that first air knife is located at workpiece air knife is 5~20 °, further preferably 10~17 °.
[position of paint spray nozzle in the second powder spraying chamber]
The paint spray nozzle of second powder spraying chamber is disposed adjacent with air nozzle, but paint spray nozzle is located at the air-flow of air nozzle
Outside coverage area.
[the applicable Workpiece structure of the heterochromatic spraying one-shot forming production line of powdery paints]
Since workpiece in rotation by the way of spraying, the structure of workpiece is limited without apparent, preferably
Heterochromatic face is planar workpiece, and further preferably heterochromatic handover is located at the workpiece of horizontal edge.
[the first heat cure room]
After the completion of once dusting, operator can unload workpiece, be placed in other heat cure room and solidified；It can also be with
It directly drives workpiece to stop or walk using suspended chain, carries out online heat cure.Preferably latter scheme.
[the second heat cure room]
It is secondary dust after the completion of, operator can unload workpiece, be placed in other heat cure room and solidified；It can also be with
It directly drives workpiece to stop or walk using suspended chain, carries out online heat cure.Preferably latter scheme.
[driving mechanism]
The effect of driving mechanism is to drive the workpiece rotation on suspender, including but not limited to motor-driven synchronous belt.
Correspondingly, the position of driving mechanism includes but is not limited to connect with the second powder spraying chamber, it can also be provided on suspender, i.e., suspender is certainly
Rotary hanger.
Embodiment 1
As shown in Figs 1-4, the heterochromatic spraying one-shot forming production line of 1 powdery paints of embodiment, including suspended chain 1 and successively set
The first powder spraying chamber 2, the second powder spraying chamber 3 and the second heat cure room 4 outside suspended chain 1 are set, suspended chain 1 is hung oneself hangs equipped with several
Have 5, the driving mechanism 6 for driving suspender rotation is provided in the second powder spraying chamber 3；It is all provided in first powder spraying chamber 2 and the second powder spraying chamber 3
It is equipped with the paint spray nozzle 8 communicated with coating storage tank 7, the gas nozzle 9 flat with several, gas are provided in the second powder spraying chamber 3
Body nozzle 9 is communicated with gas source 10；Motion profile of the gas nozzle 9 towards workpiece bottom.
Flat gas nozzle 9 is located at below the motion profile of workpiece bottom in embodiment 1, that is, is located at the two of suspended chain 1
Side, the flat air-flow and 1 extending direction of suspended chain of gas nozzle 9 are perpendicular, and one end of gas nozzle 9 is located at workpiece bottom movement
The lower section of track, the other end extend to the lower outer at workpiece bottom motion profile edge.
Suspender 5 be gear rotary hanger, driving mechanism 6 be arranged below suspended chain 1, driving mechanism 6 include synchronous belt 61,
Driving motor 62 and at least two synchronous pulleys 63, the tensioning of synchronous belt 61 are arranged outside at least two synchronous pulleys 63, synchronous belt 61
Tooth is meshed with the tooth of horizontal gear 12 in gear rotary hanger, and the driving end of driving motor 62 is connected with synchronous pulley 63.
The paint spray nozzle 8 of gas nozzle 9 and powder paint component is fixed in the second powder spraying chamber 3.
Embodiment 2
As illustrated in figs. 5-7, embodiment 2 is based on embodiment 1, and difference is, the first powder spraying chamber 2 and second outside suspended chain 1
The first heat cure room 11 is additionally provided between powder spraying chamber 3.
Gas nozzle 9 is air knife.
It include the first air knife 91 and the second air knife 92 in air knife, the edge of a knife of the first air knife 91 is vertical or near normal (is pressed from both sides
Angle is 90 ± 15 °) in the extending direction of suspended chain 1, one end is located at the lower section of workpiece bottom motion profile, and the other end extends to work
The motion profile lower outer of part bottom surface.Second air knife 92 is located at below the motion profile of workpiece bottom, the edge of a knife of the second air knife
Angle a with horizontal plane is 12 °.
Embodiment 3
As shown in figure 8, embodiment 3 is based on embodiment 2, difference is, the air nozzle in embodiment 3 is solid-cone air
Nozzle, the relative position of workpiece, solid-cone air nozzle and paint spray nozzle is as shown in Figure 8 in the second powder spraying chamber.
Spraying process the following steps are included:
S1: using the bottom surface of the first powder thermosetting spraying hanging like workpiece；
The heat cure of S2: the first time；
S3: hanging like workpiece is placed in the cavity with flat updraft, while workpiece rotation, using the second heat
The side and top surface of solidity powder spray hanging like workpiece, obtain spraying workpiece, the first powder thermosetting and the second powder thermosetting
Color is different；
S4: second heat cure workpiece；
The bottom surface motion profile of flat updraft or downdraught towards the hung workpiece of suspender in S3.
First powder thermosetting and the second powder thermosetting are epoxy powder in embodiment 1 and embodiment 2, and in S2
Heat curing temperature is 165 DEG C, and first time thermal curing time is 10min, and second of heat curing temperature is 225 DEG C in S4, the
Secondary thermal curing time is 20min.
Workpiece in embodiment and embodiment 2 is I-beam wheel, and the top surface or bottom surface of workpiece are the outer of one ring flange of I-beam wheel
Side panel face.
Color transition between test gained embodiment 1 and 2 I-beam wheel ring flange disk of embodiment and crimping side is natural
Smoothly.
The above is only the preferred embodiment of the utility model, it is noted that for the common skill of the art
For art personnel, without deviating from the technical principle of the utility model, several improvements and modifications can also be made, these change
It also should be regarded as the protection scope of the utility model into retouching.
Claims (5)
1. a kind of heterochromatic spraying one-shot forming production line of powdery paints, which is characterized in that including suspended chain and be successively set on outstanding
The first powder spraying chamber and the second powder spraying chamber outside chaining, the suspended chain are hung oneself equipped with several suspenders, are arranged in the second powder spraying chamber
There is the driving mechanism for driving suspender rotation；It is provided in first powder spraying chamber and the second powder spraying chamber and to be communicated with coating storage tank
Paint spray nozzle is additionally provided with several gas nozzles communicated with gas source in the second powder spraying chamber；
Described first dust indoor paint spray nozzle and the second powder spraying chamber gas nozzle unanimously towards the top of the hung workpiece of suspender
The air-flow of face or top surface motion profile or bottom surface or bottom surface motion profile, gas nozzle is transported in the top surface motion profile or bottom surface
The coverage area of dynamic rail mark is less than the horizontal projected area of the hung workpiece corresponding top surface of suspender or bottom surface.
2. the heterochromatic spraying one-shot forming production line of powdery paints according to claim 1, which is characterized in that suspended chain it is outer according to
It is secondary to be provided with the first powder spraying chamber, the first heat cure room, the second powder spraying chamber and the second heat cure room.
3. the heterochromatic spraying one-shot forming production line of powdery paints according to claim 1, which is characterized in that the gas spray
The spray angle of mouth and the angle of horizontal plane are less than 45 °.
4. the heterochromatic spraying one-shot forming production line of powdery paints according to claim 1 or 2, which is characterized in that gas spray
Mouth is air knife, and the edge of a knife of air knife and the angle of horizontal plane are 5~20 °.
5. the heterochromatic spraying one-shot forming production line of powdery paints according to claim 1, which is characterized in that the suspender is
Gear rotary hanger, driving mechanism are arranged below suspended chain, and driving mechanism includes that synchronous belt, driving motor are synchronous at least two
Belt wheel, synchronous belt tensioning are arranged outside at least two synchronous pulleys, the tooth of horizontal gear in the tooth and gear rotary hanger of synchronous belt
It is meshed, the driving end of driving motor is connected with synchronous pulley.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822167544.3U CN209476556U (en) | 2018-12-24 | 2018-12-24 | A kind of heterochromatic spraying one-shot forming production line of powdery paints |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822167544.3U CN209476556U (en) | 2018-12-24 | 2018-12-24 | A kind of heterochromatic spraying one-shot forming production line of powdery paints |
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| CN209476556U true CN209476556U (en) | 2019-10-11 |
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ID=68126942
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| Application Number | Title | Priority Date | Filing Date |
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| CN201822167544.3U Active CN209476556U (en) | 2018-12-24 | 2018-12-24 | A kind of heterochromatic spraying one-shot forming production line of powdery paints |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109365199A (en) * | 2018-12-24 | 2019-02-22 | 江阴友联金属制品有限公司 | A kind of heterochromatic spraying one-shot forming production line of powdery paints and spraying process |
| CN114308476A (en) * | 2022-01-11 | 2022-04-12 | 武汉日鼎信易达自动化设备有限公司 | Automobile surface spraying device with strong permeability |
-
2018
- 2018-12-24 CN CN201822167544.3U patent/CN209476556U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109365199A (en) * | 2018-12-24 | 2019-02-22 | 江阴友联金属制品有限公司 | A kind of heterochromatic spraying one-shot forming production line of powdery paints and spraying process |
| CN109365199B (en) * | 2018-12-24 | 2024-05-03 | 江阴友联金属制品有限公司 | Powder coating heterochromatic spraying one-step forming production line and spraying process |
| CN114308476A (en) * | 2022-01-11 | 2022-04-12 | 武汉日鼎信易达自动化设备有限公司 | Automobile surface spraying device with strong permeability |
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