CN109317383B - High-efficiency spraying production process and system for surface machining of injection molding part - Google Patents
High-efficiency spraying production process and system for surface machining of injection molding part Download PDFInfo
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- CN109317383B CN109317383B CN201811252502.8A CN201811252502A CN109317383B CN 109317383 B CN109317383 B CN 109317383B CN 201811252502 A CN201811252502 A CN 201811252502A CN 109317383 B CN109317383 B CN 109317383B
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- 238000005507 spraying Methods 0.000 title claims abstract description 214
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 41
- 238000001746 injection moulding Methods 0.000 title description 5
- 238000003754 machining Methods 0.000 title description 2
- 239000003973 paint Substances 0.000 claims abstract description 60
- 239000002966 varnish Substances 0.000 claims abstract description 46
- 238000012545 processing Methods 0.000 claims abstract description 37
- 238000001816 cooling Methods 0.000 claims abstract description 28
- 239000000428 dust Substances 0.000 claims abstract description 26
- 238000001035 drying Methods 0.000 claims abstract description 18
- 238000007689 inspection Methods 0.000 claims abstract description 10
- 238000012544 monitoring process Methods 0.000 claims abstract description 8
- 230000003068 static effect Effects 0.000 claims abstract description 7
- 239000007921 spray Substances 0.000 claims description 54
- 238000004140 cleaning Methods 0.000 claims description 16
- 238000007590 electrostatic spraying Methods 0.000 claims description 13
- 230000037452 priming Effects 0.000 claims description 12
- 238000004806 packaging method and process Methods 0.000 claims description 10
- 230000033764 rhythmic process Effects 0.000 claims description 9
- 230000005611 electricity Effects 0.000 claims description 6
- 238000010285 flame spraying Methods 0.000 claims description 6
- 230000005484 gravity Effects 0.000 claims description 6
- 238000004381 surface treatment Methods 0.000 claims description 6
- 239000003086 colorant Substances 0.000 claims description 4
- 239000002904 solvent Substances 0.000 claims description 4
- 230000008676 import Effects 0.000 claims description 3
- 238000002156 mixing Methods 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 8
- 230000008569 process Effects 0.000 abstract description 7
- 238000002203 pretreatment Methods 0.000 abstract 3
- 230000005540 biological transmission Effects 0.000 abstract 1
- 230000006872 improvement Effects 0.000 description 8
- 238000010586 diagram Methods 0.000 description 4
- 239000002912 waste gas Substances 0.000 description 4
- 239000000203 mixture Substances 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 239000002245 particle Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000003665 fog water Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000010422 painting Methods 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
- B05D7/02—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials to macromolecular substances, e.g. rubber
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B13/00—Machines or plants for applying liquids or other fluent materials to surfaces of objects or other work by spraying, not covered by groups B05B1/00 - B05B11/00
- B05B13/02—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work
- B05B13/0221—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work characterised by the means for moving or conveying the objects or other work, e.g. conveyor belts
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B16/00—Spray booths
- B05B16/20—Arrangements for spraying in combination with other operations, e.g. drying; Arrangements enabling a combination of spraying operations
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
- B05D7/24—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials for applying particular liquids or other fluent materials
- B05D7/26—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials for applying particular liquids or other fluent materials synthetic lacquers or varnishes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
- B05D7/50—Multilayers
- B05D7/56—Three layers or more
- B05D7/58—No clear coat specified
- B05D7/582—No clear coat specified all layers being cured or baked together
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
- Spray Control Apparatus (AREA)
Abstract
A high-efficiency spraying production system for processing the surface of a product comprises an upper piece chamber, a monitoring chamber, a dust removal chamber, a first cooling chamber, a primer spraying chamber, a primer leveling chamber, a colored paint spraying chamber, a colored paint leveling chamber, a varnish spraying chamber, a varnish leveling chamber, a drying chamber, a second cooling chamber, a lower piece chamber and a jig replacing chamber which are sequentially communicated to form a spraying processing loop; the spraying processing loop is a million-level dust-free workshop and is provided with a conveying chain for conveying the jig; go up the outdoor side of piece and be equipped with the pre-treatment chamber rather than the intercommunication, the pre-treatment chamber be used for to the product surface that does not need the spraying cover pad pasting processing and product surface inspection, clean and destatic the processing, the pre-treatment chamber send into the conveyor chain one side of piece room through preventing the product that the static transmission band finishes the preliminary treatment. The method has the advantages that the process is adjusted, so that the productivity is improved, the product quality is improved, the productivity is further improved, and the automatic production is realized to the greatest extent.
Description
Technical Field
The invention relates to the technical field of product surface spraying, in particular to a high-efficiency spraying production process and a high-efficiency spraying production system for surface processing of injection molding parts.
Background
In modern manufacturing, painting of the outer surface of a product has become a common process requirement. The spraying operation has high production efficiency, is suitable for manual operation and industrial automatic production, has wide application range, mainly comprises the fields of hardware, plastic cement, furniture, military industry, ships and the like, and is the most common coating mode applied at present; the spraying operation requires a dust-free workshop with the environment requirement of millions to hundreds, and the spraying equipment comprises a spray gun, a spray booth, a paint supply room, a curing oven/drying oven, spraying workpiece conveying operation equipment, fog and waste water elimination, waste gas treatment equipment and the like. With the popularization of automatic equipment, the traditional manual spraying operation is replaced by the full-automatic spraying production line. However, most of the spraying production lines in the prior art have few functional designs, large floor space and limited spraying methods, the spraying tracks are sprayed according to a single product, paint is wasted more, the hanging spraying quantity is limited, the productivity is low, the product quality is low, manual intervention is needed in the spraying process, and the requirements of industrial production on rapidness and high efficiency are difficult to meet. And with the continuous improvement of the national requirements for production environment protection, most of the existing spraying production lines lack of particle control in workshops to cause the product quality to be reduced, thereby causing threats to the physical health of workers.
Disclosure of Invention
The first purpose of the invention is to overcome the defects of high production cost and difficulty in meeting the requirements of rapid and efficient production of the existing spraying process, and provide a high-efficiency spraying production process for surface processing of injection molding parts.
The second purpose of the present invention is to overcome the above disadvantages of large volume, low automation degree and poor control of particles in the workshop of the existing spraying production line, and to provide a high-efficiency spraying production system for surface processing of injection molding parts.
The invention is realized by the following technical scheme:
a high-efficiency spraying production process for processing the surface of a product comprises the following specific steps:
step 1, carrying out shielding film pasting processing on the outer surface of a product which does not need to be sprayed;
step 4, the jig is driven by a conveying chain to bring the product with the jig hung on the jig into a dust chamber for surface cleaning and electrostatic dust collection treatment;
step 8, drying and baking the product, and then carrying out air cooling treatment;
and 9, performing unloading inspection on the product.
As an improvement of the scheme, the cleaning in the steps 2 and 4 adopts the mixture ratio of the solvents T-877 and T-645 THINNER.
As an improvement of the scheme, in the step 3, the product is subjected to primary dust removal through a high-pressure spray gun arranged at the clamping end of the mechanical arm.
As an improvement of the scheme, the spraying paths are planned by using jigs in the steps 5, 6 and 7.
As a modification of the above, an RB1000 electrostatic spray atomizer was used in step 6 and step 7.
As an improvement of the above scheme, the spraying paths of the steps 5, 6 and 7 are designed and recorded into the system in an earlier stage through software according to the hanging position on the jig and the spraying position of the product, and the actual spraying path is obtained in the step 3 by combining the input product model and jig model with the spraying path recorded in the earlier stage of the system.
As a modification of the scheme, the spraying equipment comprises a step 5, a step 6 and a step 7, wherein the spraying equipment is ABB IRb 5500.
As an improvement of the scheme, the spray paths planned by the jig in the steps 5, 6 and 7 are sprayed in a curve mode, compared with the traditional spray paths, the empty gun paths are reduced, the spray efficiency is improved, and after the spray mode is optimized, the beat can be improved, and the productivity is improved; the former vertical-hanging spraying mode is changed into horizontal-hanging spraying mode, the influence of gravity on corners is reduced, namely the influence of gravity on appearance quality is reduced, and the stability of product quality can be improved after the spraying mode is optimized.
A high-efficiency spraying production system for processing the surface of a product comprises an upper piece chamber, a monitoring chamber, a dust removal chamber, a first cooling chamber, a primer spraying chamber, a primer leveling chamber, a colored paint spraying chamber, a colored paint leveling chamber, a varnish spraying chamber, a varnish leveling chamber, a drying chamber, a second cooling chamber, a lower piece chamber and a jig replacing chamber which are sequentially communicated to form a spraying processing loop; the spraying processing loop is a million-level dust-free workshop and is provided with a conveying chain for conveying the jig; the device comprises an upper workpiece chamber, a pretreatment chamber, a conveying chain, a first mechanical arm, a high-pressure spray gun, a data input end, a data output end and a data output end, wherein the pretreatment chamber is communicated with the upper workpiece chamber and is used for carrying out shielding film pasting processing and product surface inspection, cleaning and static electricity removing processing on the outer surface of a product which does not need spraying; the monitoring room is used for checking the jig and the product after loading and performing background control on the whole production system; the dust removal chamber is used for carrying out surface cleaning, electrostatic dust removal treatment or flame spraying surface treatment on the product, and the first cooling chamber is used for cooling the product subjected to the flame spraying surface treatment; the conveying chain in the drying chamber is at least provided with a reciprocating path; the second cooling chamber cools the product sent out from the drying chamber through a fan; a packaging chamber communicated with the lower workpiece chamber is arranged on the outer side of the lower workpiece chamber, and the lower workpiece chamber is used for unloading the product on the jig through a second mechanical arm and conveying the product to the packaging chamber through a conveying belt for product packaging; a jig placing area is arranged on the outer side of the jig replacing chamber, and a proper jig is selected from the jig placing area in the jig replacing chamber according to production requirements and is installed on the conveying chain; go up a room, monitor chamber, clean room, first cooling chamber, priming paint spray booth, priming paint levelling room, color paint spray booth, color paint levelling room, varnish spray booth, varnish levelling room, drying chamber, second cooling chamber, lower room, the position that the room communicates each other is changed to the tool all is equipped with and cuts off the curtain, is equipped with two at least tool sensors in priming paint spray booth, priming paint levelling room, color paint spray booth, color paint levelling room, varnish spray booth, the import department of varnish levelling room all.
As an improvement of the scheme, the system further comprises a waste gas treatment system, wherein the waste gas treatment system is respectively connected with the upper chamber, the pretreatment chamber, the dust removal chamber, the primer spraying chamber, the primer leveling chamber, the colored paint spraying chamber, the colored paint leveling chamber, the varnish spraying chamber and the varnish leveling chamber through a collection pipeline; the frequency of a circulating fan frequency converter in the primer spraying chamber, the primer leveling chamber, the colored paint spraying chamber, the colored paint leveling chamber, the varnish spraying chamber and the varnish leveling chamber is 50Hz, and the opening of an air supply valve of the circulating fan is 90 degrees; the pipe diameter of the collecting pipeline is 850 multiplied by 850 mm.
As an improvement of the scheme, ABB industrial robots IRb5500 are arranged in the primer spraying chamber, the colored paint spraying chamber and the varnish spraying chamber for spraying operation.
The invention has the following beneficial effects:
1. by adjusting the process, the productivity is improved, the product quality is improved, the speed of a conveying chain is improved, and meanwhile, the spraying mode is adjusted, so that the spraying efficiency can meet the requirement of the spraying efficiency, the process parameters and the process means are optimized in each functional area, and the automatic production is further realized to the greatest extent.
2. The spraying track is optimized, the original single-piece spraying is improved into integral spraying, the empty gun path is reduced, and the spraying efficiency is improved.
3. The spraying production system provided by the invention has the advantages of simple structure, reasonable layout and low construction cost, meets the requirements of the current automatic, rapid and efficient production while meeting the national environmental protection requirements, and is suitable for large-scale popularization and application.
Drawings
Fig. 1 is a schematic structural diagram of a high performance spray production system for surface processing of products according to the present invention.
Fig. 2 is a schematic diagram of a conventional spray path.
FIG. 3 is a schematic diagram of an optimized spray path of the present invention.
FIG. 4 is a schematic view of a conventional vertical spray path.
FIG. 5 is a schematic diagram of the optimized horizontal hang spray path of the present invention.
Description of reference numerals: the device comprises an upper workpiece chamber 1, a monitoring chamber 2, a dust removing chamber 3, a first cooling chamber 4, a primer spraying chamber 5, a primer leveling chamber 6, a colored paint spraying chamber 7, a colored paint leveling chamber 8, a varnish spraying chamber 9, a varnish leveling chamber 10, a drying chamber 11, a second cooling chamber 12, a lower workpiece chamber 13, a jig replacing chamber 14, a conveying chain 15, a pretreatment chamber 16, an anti-static conveying belt 17, a first mechanical arm 18, a data input end 19, a packaging chamber 20, a second mechanical arm 21, a conveying belt 22, an exhaust gas treatment system 23 and a pipeline 24.
Detailed Description
Example 1
A high-efficiency spraying production process for processing the surface of a product comprises the following specific steps:
step 1, carrying out shielding film pasting processing on the outer surface of a product which does not need to be sprayed.
And 3, conveying the product processed in the step 2 to an upper part area, hanging the jig through the mechanical arm, inputting the product model and the jig model, and preliminarily removing dust of the product through a high-pressure spray gun arranged at a clamping end of the mechanical arm on the product with the jig hung.
Step 4, the jig is driven by a conveying chain to bring the product with the jig hung on the jig into a dust chamber for surface cleaning and electrostatic dust collection treatment; the cleaning adopts the mixture ratio of a solvent T-877 and T-645 THINNER.
And 5, spraying the primer by adopting a spraying equipment model ABB IRb5500, wherein the conveying rhythm of a conveying chain is 72s, planning a spraying path according to the model of the jig and the model of the product, spraying from one gun at the bottom until returning to the bottom, and reducing the times of idle running and spraying gun starting of the path, wherein the spraying path is a system designed and recorded in the early stage through software according to the hanging position of the jig and the spraying position of the product, and the actual spraying path is obtained by combining the input model of the product and the model of the jig with the spraying path recorded in the early stage of the system in the step 3. The spraying speed is 1000 mm/s; leveling the primer after spraying the primer, wherein the frequency of an air supply frequency converter is 50Hz, and the opening of a leveling air supply valve is 90 degrees; and planning a spraying path by adopting a jig.
As shown in fig. 2 and 3, the spraying path planned by the jig in steps 5 to 7 is sprayed in a curved manner, so that compared with the conventional spraying path, the number of empty gun paths is reduced, the spraying efficiency is improved, and the beat can be increased and the productivity can be improved after the spraying manner is optimized.
As shown in fig. 4 and 5, for the spraying path planned by the jig in the steps 5 to 7, a curved spraying manner is adopted, the conventional vertical-hanging spraying manner is changed into a horizontal-hanging spraying manner, so that the influence of gravity on corners is reduced, namely, the influence of gravity on appearance quality is reduced, and the stability of product quality can be improved after the spraying manner is optimized.
Step 8, drying and baking the product, and then carrying out air cooling treatment;
and 9, performing unloading inspection on the product.
Example 2
A high-efficiency spraying production system for product surface processing comprises an upper chamber 1, a monitoring chamber 2, a dust removing chamber 3, a first cooling chamber 4, a primer spraying chamber 5, a primer leveling chamber 6, a colored paint spraying chamber 7, a colored paint leveling chamber 8, a varnish spraying chamber 9, a varnish leveling chamber 10, a drying chamber 11, a second cooling chamber 12, a lower chamber 13 and a jig replacing chamber 14 which are sequentially communicated to form a spraying processing loop; the spraying processing loop is a million-level dust-free workshop and is provided with a conveying chain 15 for conveying jigs; the outer side of the upper part chamber 1 is provided with a pretreatment chamber 16 communicated with the upper part chamber, the pretreatment chamber 16 is used for carrying out shielding film pasting processing and product surface inspection, cleaning and static electricity removing processing on the outer surface of a product which does not need to be sprayed, the pretreatment chamber 16 sends the product which is subjected to pretreatment into one side of a conveying chain 15 of the upper part chamber 1 through an anti-static conveying belt 17, a first mechanical arm 18 is arranged in the upper part chamber 1 and used for hanging the product on the anti-static conveying belt 17 onto a jig arranged on the conveying chain 15, a high-pressure spray gun is arranged at a clamping end of the first mechanical arm 18 for carrying out primary dust removal on the product, and a data input end 19 is arranged in the upper part chamber 1 and used for inputting and conveying the product model and the jig model of the upper part to a background; the monitoring room 2 is used for checking the jig and the product after loading and performing background control on the whole production system; the dust removal chamber 3 is used for carrying out surface cleaning, electrostatic dust removal treatment or flame spraying surface treatment on the product, and the first cooling chamber 4 is used for cooling the product subjected to the flame spraying surface treatment; the conveying chain 15 in the drying chamber 11 is at least provided with a reciprocating path; the second cooling chamber 12 cools the product sent from the drying chamber 11 through a fan; a packaging chamber 20 communicated with the lower chamber 13 is arranged on the outer side of the lower chamber 13, and the lower chamber 13 puts down the products on the jig by a second mechanical arm 21 and transmits the products to the packaging chamber 20 by a conveying belt 22 for product packaging; a jig placing area is arranged on the outer side of the jig replacing chamber 14, and a proper jig is selected from the jig placing area in the jig replacing chamber 14 according to production requirements and is installed on the conveying chain 15; go up a room 1, monitor room 2, clean room 3, first cooling chamber 4, priming paint spray booth 5, priming paint levelling room 6, color paint spray booth 7, color paint levelling room 8, varnish spray booth 9, varnish levelling room 10, drying chamber 11, second cooling chamber 12, lower room 13, the position that room 14 communicates each other is changed to the tool all is equipped with cuts off the curtain, at priming paint spray booth 5, priming paint levelling room 6, color paint spray booth 7, color paint levelling room 8, varnish spray booth 9, the import department of varnish levelling room 10 all is equipped with two at least tool sensors. ABB industrial robots IRb5500 are arranged in the primer spraying chamber 5, the colored paint spraying chamber 7 and the varnish spraying chamber 9 and are used for spraying operation. The waste gas treatment system 23 is respectively connected with the upper chamber 1, the pretreatment chamber 16, the dust removal chamber 3, the primer spraying chamber 5, the primer leveling chamber 6, the colored paint spraying chamber 7, the colored paint leveling chamber 8, the varnish spraying chamber 9 and the varnish leveling chamber 10 through a collection pipeline 24; the frequency of the frequency converters of the circulating fans in the primer spraying chamber 5, the primer leveling chamber 6, the colored paint spraying chamber 7, the colored paint leveling chamber 8, the varnish spraying chamber 9 and the varnish leveling chamber 10 is 50Hz, and the opening of the air supply valve of the circulating fan is 90 degrees; the pipe diameter of the collecting pipeline 24 is 850 multiplied by 850 mm.
The above detailed description is specific to possible embodiments of the present invention, and the embodiments are not intended to limit the scope of the present invention, and all equivalent implementations or modifications that do not depart from the scope of the present invention are intended to be included within the scope of the present invention.
Claims (8)
1. A high-efficiency spraying production process for processing the surface of a product is characterized by comprising the following specific steps:
step 1, carrying out shielding film pasting processing on the outer surface of a product without a spraying part;
step 2, carrying out inspection, cleaning and static electricity removal treatment on the surface of the product;
step 3, conveying the product processed in the step 2 to a workpiece loading area, hanging the product into a jig through a mechanical arm, inputting the product model and the jig model, combining the input product model and the jig model with a spraying path input in the earlier stage of the system to obtain an actual spraying path, and performing primary dust removal on the product on which the jig is hung through the mechanical arm;
step 4, the jig is driven by a conveying chain to bring the product with the jig hung on the jig into a dust chamber for surface cleaning and electrostatic dust collection treatment;
step 5, primer spraying is carried out, the conveying rhythm of a conveying chain is 72s, a spraying path is designed and recorded in a system in an early stage through software according to the hanging position on a jig and the spraying position of a product, the spraying is carried out from one gun at the bottom to the bottom according to the spraying path, the times of idle running and gun opening of spraying of the path are reduced, and the spraying speed is 1000 mm/s; leveling the primer after spraying the primer, wherein the frequency of an air supply frequency converter is 50Hz, and the opening of a leveling air supply valve is 90 degrees;
step 6, carrying out color paint spraying, wherein the conveying rhythm of a conveying chain is 72s, a spraying path is designed and recorded in a system in an early stage through software according to the hanging position on a jig and the spraying position of a product, the idle running and spraying gun starting times of the path are reduced according to the spraying path from one gun spraying at the bottom to the returning bottom, wherein the electrostatic spraying speed is 800-1000 mm/s, the air spraying speed is 1000mm/s, different brushes with different hanging positions and color measuring positions are adopted for positions with higher requirements on spraying colors, so that the colors are adjusted more easily, the electrostatic spraying and the air spraying are adopted for spraying surfaces with lower spraying requirements and quality requirements, and the overlapping of the paths of the spraying surfaces with lower requirements is reduced; after the colored paint is sprayed, carrying out colored paint leveling, wherein the frequency of the air supply frequency converter is 50Hz, and the opening degree of a leveling air supply valve is 90 degrees;
step 7, varnish spraying is carried out, the conveying rhythm of a conveying chain is 72s, a spraying path is designed and recorded in a system in an early stage through software according to the hanging position on a jig and the spraying position of a product, the idle running and spraying gun starting times of the path are reduced from one gun spraying at the bottom to returning to the bottom according to the spraying path, the electrostatic spraying speed is 800-1000 mm/s, the air spraying speed is 1000mm/s, the electrostatic spraying and the air spraying are separately sprayed on the spraying surface with lower spraying requirements and quality requirements, and the overlapping of the paths of the spraying surface with lower requirements is reduced; leveling the varnish after spraying the varnish, wherein the frequency of an air supply frequency converter is 50Hz, and the opening of a leveling air supply valve is 90 degrees;
step 8, drying and baking the product, and then carrying out air cooling treatment;
and 9, performing unloading inspection on the product.
2. The high-performance spray production process for processing the surface of a product as claimed in claim 1, wherein the cleaning in the steps 2 and 4 is carried out by mixing and proportioning the solvents T-877 and T-645 THINNER.
3. The high-efficiency spraying production process for processing the surface of the product as claimed in claim 1, wherein the step 3 is to perform preliminary dust removal on the product by a high-pressure spray gun arranged at a clamping end of the mechanical arm.
4. The high-efficiency spraying production process for processing the surface of the product as claimed in claim 1, wherein an RB1000 electrostatic spraying atomizer is adopted in the steps 6 and 7.
5. The high-efficiency spraying production process for processing the surface of a product according to claim 1, wherein the spray paths planned by the jigs in the steps 5, 6 and 7 are in a curved spray mode, compared with the traditional spray paths, the empty gun paths are reduced, the spray efficiency is improved, and the beat can be improved and the productivity can be improved after the spray mode is optimized; the former vertical-hanging spraying mode is changed into horizontal-hanging spraying mode, the influence of gravity on corners is reduced, namely the influence of gravity on appearance quality is reduced, and the stability of product quality can be improved after the spraying mode is optimized.
6. A high-performance spray production system for processing the surface of a product, which is used for executing the high-performance spray production process for processing the surface of the product in any one of claims 1 to 5, and is characterized by comprising an upper piece chamber, a monitoring chamber, a dust removing chamber, a first cooling chamber, a primer spraying chamber, a primer leveling chamber, a colored paint spraying chamber, a colored paint leveling chamber, a varnish spraying chamber, a varnish leveling chamber, a drying chamber, a second cooling chamber, a lower piece chamber and a jig replacing chamber which are sequentially communicated to form a spray processing loop; the spraying processing loop is a million-level dust-free workshop and is provided with a conveying chain for conveying the jig; the device comprises an upper workpiece chamber, a pretreatment chamber, a conveying chain, a first mechanical arm, a high-pressure spray gun, a data input end, a data output end and a data output end, wherein the pretreatment chamber is communicated with the upper workpiece chamber and is used for carrying out shielding film pasting processing and product surface inspection, cleaning and static electricity removing processing on the outer surface of a product which does not need spraying; the monitoring room is used for checking the jig and the product after loading and performing background control on the whole production system; the dust removal chamber is used for carrying out surface cleaning, electrostatic dust removal treatment or flame spraying surface treatment on the product, and the first cooling chamber is used for cooling the product subjected to the flame spraying surface treatment; the conveying chain in the drying chamber is at least provided with a reciprocating path; the second cooling chamber cools the product sent out from the drying chamber through a fan; a packaging chamber communicated with the lower workpiece chamber is arranged on the outer side of the lower workpiece chamber, and the lower workpiece chamber is used for unloading the product on the jig through a second mechanical arm and conveying the product to the packaging chamber through a conveying belt for product packaging; a jig placing area is arranged on the outer side of the jig replacing chamber, and a proper jig is selected from the jig placing area in the jig replacing chamber according to production requirements and is installed on the conveying chain; go up a room, monitor chamber, clean room, first cooling chamber, priming paint spray booth, priming paint levelling room, color paint spray booth, color paint levelling room, varnish spray booth, varnish levelling room, drying chamber, second cooling chamber, lower room, the position that the room communicates each other is changed to the tool all is equipped with and cuts off the curtain, is equipped with two at least tool sensors in priming paint spray booth, priming paint levelling room, color paint spray booth, color paint levelling room, varnish spray booth, the import department of varnish levelling room all.
7. The high-efficiency spraying production system for processing the surface of a product according to claim 6, further comprising an exhaust gas treatment system, wherein the exhaust gas treatment system is connected with the upper chamber, the pretreatment chamber, the dust removal chamber, the primer spraying chamber, the primer leveling chamber, the color paint spraying chamber, the color paint leveling chamber, the varnish spraying chamber and the varnish leveling chamber through collection pipes respectively; the frequency of a circulating fan frequency converter in the primer spraying chamber, the primer leveling chamber, the colored paint spraying chamber, the colored paint leveling chamber, the varnish spraying chamber and the varnish leveling chamber is 50Hz, and the opening of an air supply valve of the circulating fan is 90 degrees; the pipe diameter of the collecting pipeline is 850 multiplied by 850 mm.
8. The high-performance spray production system for processing the surface of a product according to claim 6, wherein an ABB industrial robot IRb5500 is arranged in each of the primer spray booth, the color paint spray booth and the varnish spray booth for spray operation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811252502.8A CN109317383B (en) | 2018-10-25 | 2018-10-25 | High-efficiency spraying production process and system for surface machining of injection molding part |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811252502.8A CN109317383B (en) | 2018-10-25 | 2018-10-25 | High-efficiency spraying production process and system for surface machining of injection molding part |
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| CN111822286A (en) * | 2020-07-05 | 2020-10-27 | 盐城查尔斯机电有限公司 | Spraying process for gasoline generator set |
| CN112680688B (en) * | 2020-12-04 | 2021-10-19 | 中国科学院力学研究所 | Plasma spraying type insulating layer processing and manufacturing device for coaxial thermocouple transient heat flow sensor |
| CN112718426A (en) * | 2020-12-24 | 2021-04-30 | 苏州仕通电子科技有限公司 | Color band spraying process of plastic tray |
| CN115382685A (en) * | 2022-08-16 | 2022-11-25 | 苏州智涂工业科技有限公司 | Control technology of automatic robot spraying production line |
| CN116351627B (en) * | 2023-05-31 | 2024-06-18 | 常州市闳晖科技发展股份有限公司 | Automatic spraying production line |
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Denomination of invention: An efficient spray coating production process and system for surface processing of injection molded parts Effective date of registration: 20231220 Granted publication date: 20210716 Pledgee: China Merchants Bank Limited by Share Ltd. Foshan branch Pledgor: FOSHAN SHUNDE EAST ASIA AUTO PARTS CO.,LTD. Registration number: Y2023980072707 |
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