CN112264276A - Aluminum alloy spraying process - Google Patents
Aluminum alloy spraying process Download PDFInfo
- Publication number
- CN112264276A CN112264276A CN202010899886.3A CN202010899886A CN112264276A CN 112264276 A CN112264276 A CN 112264276A CN 202010899886 A CN202010899886 A CN 202010899886A CN 112264276 A CN112264276 A CN 112264276A
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- workpiece
- aluminum alloy
- clamping
- clamping assembly
- spraying process
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
- B05D7/14—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials to metal, e.g. car bodies
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- 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
- B05B14/00—Arrangements for collecting, re-using or eliminating excess spraying material
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- Application Of Or Painting With Fluid Materials (AREA)
Abstract
The invention relates to the technical field of aluminum alloy processing, and provides an aluminum alloy spraying process for solving the problem that the yield of aluminum alloy is reduced due to uneven spraying thickness easily caused by adopting a manual spraying mode in the prior art, which comprises the following steps: s1: starting a clamping assembly to clamp a workpiece to be sprayed, so that the workpiece is kept in a vertically suspended state; s2: starting the spray head to spray the workpiece, wherein in the spraying process, the clamping assembly drives the workpiece to rotate and move downwards, and redundant powder coating falls onto a bottom plate below and falls into the bottom of a collecting hole in the bottom plate; s3: during the process that the workpiece moves downwards, the upper end of the workpiece is gradually separated from the clamping assembly, after the workpiece moves downwards for a period of time, the lower end of the workpiece falls into the collecting hole and is fixed by the fixing part at the upper end of the collecting hole, and meanwhile, the upper end of the workpiece is completely separated from the clamping assembly; when the workpiece falls into the fixed part of the collecting hole, the spray head is triggered to stop working.
Description
Technical Field
The invention relates to the technical field of aluminum alloy processing, in particular to an aluminum alloy spraying process.
Background
An alloy based on aluminum with a certain amount of other alloying elements added is one of light metal materials. At present, the aluminum alloy die casting is widely applied in life, for example, the aluminum alloy die casting is used in places such as automobile parts, motors, aviation, ships, household appliances, security and protection product shells and the like. This is because the aluminum alloy die cast has advantages of light weight, good strength and hardness, good ductility, and the like. In order to make the aluminum alloy die casting have these characteristics, in addition to the characteristics of the aluminum alloy itself, various treatments need to be performed on the aluminum alloy during the processing, for example, after the aluminum alloy is subjected to a spraying operation, the corrosion resistance, the decoration and the functionality of the aluminum alloy die casting can be increased.
In the prior art, a conventional aluminum alloy spraying process comprises three steps of pretreatment, spraying and curing and drying, wherein when the aluminum alloy is sprayed, the aluminum alloy with a well-made shape is hung, and then the pretreatment, including degreasing, acid etching and the like, is carried out. And then the treated aluminum alloy is sent into a spraying chamber. When the aluminum alloy is sprayed, some small-scale processing workshops still adopt a manual spraying mode, after the aluminum alloy is conveyed into a spraying chamber to be hung, workers hold a sprayer to spray the aluminum alloy, and the spraying thickness cannot be held well due to manual spraying of the workers, so that the uneven spraying thickness is easy to occur, the yield of the aluminum alloy can be reduced, and the spraying electric leakage place is easy to occur.
Disclosure of Invention
The invention aims to provide an aluminum alloy spraying process to solve the problem that the yield of aluminum alloy is reduced due to the fact that the spraying thickness is uneven easily caused by the adoption of a manual spraying mode in the prior art.
The basic scheme provided by the invention is as follows: an aluminum alloy spraying process comprises the following steps: s1: starting a clamping assembly to clamp a workpiece to be sprayed, so that the workpiece is kept in a vertically suspended state;
s2: starting the spray head to spray the workpiece, wherein in the spraying process, the clamping assembly drives the workpiece to rotate and move downwards, and redundant powder coating falls onto a bottom plate below and falls into the bottom of a collecting hole in the bottom plate;
s3: during the process that the workpiece moves downwards, the upper end of the workpiece is gradually separated from the clamping assembly, after the workpiece moves downwards for a period of time, the lower end of the workpiece falls into the collecting hole and is fixed by the fixing part at the upper end of the collecting hole, and meanwhile, the upper end of the workpiece is completely separated from the clamping assembly; when the workpiece falls into the fixed part of the collecting hole, the spray head is triggered to stop working.
The principle and the beneficial effects of the basic scheme are as follows: compared with the existing manual spraying mode, the scheme 1. after clamping a workpiece to be sprayed by the clamping assembly, the workpiece is sprayed by the spraying head, in the spraying process, the workpiece rotates to ensure that the workpiece can be sprayed in all directions in the circumferential direction, and the workpiece moves downwards to ensure that all parts on the length of the workpiece can be sprayed, so that the situation that parts are not sprayed is avoided; moreover, the spray head is triggered to stop in time when the workpiece falls into the fixed part of the collecting hole, so that the waste of powder coating caused by the prolonged spraying time is avoided;
2. in the spraying process, redundant powder coating falls into the bottom of the collecting hole for collection, so that the waste of the redundant powder coating is avoided;
3. in this scheme, compare with the mode of present manual spraying, increased the setting that can drive the work piece and rotate and the drive assembly that moves down, equipment cost is low, moreover because this scheme can improve the yields of aluminum alloy to reduced the aluminum alloy disability rate, also just also reduced the cost of aluminum alloy, from long-term development, the spraying cost of aluminum alloy can be reduced to the spraying technology of this scheme.
The first preferred scheme is as follows: preferably, in S1, during the clamping of the workpiece by the clamping assembly, the surface of the workpiece is cleaned by the contact part of the clamping assembly and the workpiece. Has the advantages that: because in the in-process of spraying, the powder coating of shower nozzle spun can float in the air, and partial powder coating will adhere to work piece upper portion, so, will lead to this partial thickness of work piece to increase when work piece upper portion is sprayed and lead to the thickness inhomogeneous, consequently utilize the centre gripping subassembly to clean the surface of work piece in this scheme to reduce the adhesion of powder coating on the work piece surface that does not carry out the spraying, thereby reduced the uneven condition of reason of work piece spraying thickness.
The preferred scheme II is as follows: preferably, in S2, the powder coating dropped on the bottom plate slides along the inclined surface of the bottom plate into the collecting part at the lower part of the collecting hole. Has the advantages that: the arrangement of the inclined plane of the bottom plate facilitates the powder coating to fall into the collecting hole, so that the collecting effect of the powder coating is ensured.
The preferable scheme is three: preferably, in S2, the powder coating material dropped onto the bottom plate drops onto a collecting plate at the bottom of the collecting hole, and the powder coating material drops out of the collecting hole after the collecting plate is opened. Has the advantages that: the convenient coating powder who collects all in the collecting hole in time of setting up that the collecting plate can be opened in this scheme clears up easy operation.
The preferable scheme is four: preferably, in the third step, in S2, the collecting hole is opened after the collecting plate is horizontally slid along the bottom plate. Has the advantages that: the collection hole is opened through the mode of slip collection plate in this scheme, easy operation.
The preferable scheme is five: preferably, in S1, the clamping assembly includes a clamping plate, the clamping plate is provided with a clamping hole matching the workpiece, and the workpiece is located in the clamping hole and can slide downward along the clamping hole. Has the advantages that: in this scheme, through the mode that sets up the centre gripping hole on the grip block, the grip block rotates and will drive the work piece and rotate to guarantee that work piece circumference all receives the spraying, simple structure.
The preferable scheme is six: preferably, in the fifth step, the plurality of clamping holes provided in the clamping plate in S1 clamp the plurality of workpieces and drive the workpieces to rotate. Has the advantages that: the mode through setting up a plurality of centre gripping holes on the grip block can realize the purpose of a plurality of work pieces of once spraying in this scheme, has improved the spraying effect.
The preferable scheme is seven: preferably, in S1, the distance from the workpiece to the base plate is adjusted by telescopic connecting rods on the clamping assembly. Has the advantages that: considering that the lengths of different workpieces are different, the distance from the workpiece to the bottom plate is adjusted by the telescopic connecting rod in the scheme, and the operation is simple.
The preferable scheme is eight: preferably, in the step S1, the clamping assembly is detachably connected to the connecting rod. Has the advantages that: make things convenient for more smooth, easy operation of centre gripping subassembly through the mode that can dismantle the connection in this scheme.
The preferable scheme is nine: preferably, in S1, the spray head is positioned above the workpiece when the workpiece falls into the fixed portion of the collection well. Has the advantages that: in this scheme, when the work piece falls into the fixed part in collection hole, when triggering the spraying head stop work promptly, the spraying head is located the top of work piece to guaranteed that the work piece is whole can both be sprayed, thereby guaranteed the spraying effect.
Drawings
FIG. 1 is a flow chart of an embodiment of an aluminum alloy spray coating process of the present invention;
FIG. 2 is a schematic view of the structure of the spray booth of the present invention.
Detailed Description
The following is further detailed by way of specific embodiments:
reference numerals in the drawings of the specification include: the device comprises a clamping plate 1, a connecting rod 2, a gear shaft 3, a transmission rack 4, a driving motor 5, a spray head 6, a bottom plate 7, a collecting plate 8 and a collecting hole 9.
The embodiment is basically as shown in the attached figure 1: the method comprises the following steps: s1: starting a clamping assembly to clamp a workpiece to be sprayed so that the workpiece is kept in a vertically suspended state, specifically, the clamping assembly comprises a clamping plate 1, a plurality of clamping holes which are matched with the workpiece and drive the workpiece to rotate are formed in the clamping plate 1, and the workpiece is located in the clamping holes and can slide downwards along the clamping holes; in the process of clamping the workpiece by the clamping assembly, the part of the clamping assembly, which is in contact with the workpiece, cleans the surface of the workpiece; the distance from the workpiece to the bottom plate 7 is adjusted through the detachable telescopic connecting rod 2 on the clamping assembly;
s2: starting the spray head 6 to spray the workpiece, wherein in the spraying process, the clamping assembly drives the workpiece to rotate and move downwards, redundant powder coating falls onto the bottom plate 7 below and falls into the bottom of the collecting hole 9 on the bottom plate 7, specifically, the powder coating falling onto the bottom plate 7 slides into the collecting part at the lower part of the collecting hole 9 along the inclined surface of the bottom plate 7 and then falls onto the collecting plate 8 at the bottom of the collecting hole 9, the collecting hole 9 is opened after the collecting plate 8 horizontally slides along the bottom plate 7, and the powder coating falls out of the collecting hole 9;
s3: during the downward movement of the workpiece, the upper end of the workpiece is gradually separated from the clamping assembly, after the workpiece moves downward for a period of time, the lower end of the workpiece falls into the collecting hole 9 and is fixed by the fixing part at the upper end of the collecting hole 9, and meanwhile, the upper end of the workpiece is completely separated from the clamping assembly; in the embodiment, the spray head 6 is triggered to stop working when the workpiece falls into the fixing part of the collecting hole 9, one side of the bottom end of the fixing part of the collecting hole 9 is provided with an infrared transmitter, the other side of the bottom end of the fixing part of the collecting hole 9 is provided with an infrared receiver, and when the infrared receiver does not receive infrared rays any more, the powder supply device is triggered to stop working through the control module; the spray head is located above the workpiece as it falls into the fixed portion of the collection well 9.
Based on the spraying process, the embodiment also discloses a spraying system. The spraying system comprises a spraying chamber, as shown in fig. 2, a clamping assembly is arranged at the top of the spraying chamber, specifically, the clamping assembly is connected with the lower surface of the top surface of the spraying chamber through a telescopic connecting rod 2, the clamping assembly comprises a clamping plate 1, a plurality of clamping holes are uniformly arranged on the clamping plate 1 at intervals, 2 clamping holes are arranged in fig. 2, a workpiece is located in the clamping holes and can slide downwards along the clamping holes, in the embodiment, the workpiece takes a cylindrical rail as an example, and the clamping holes are circular holes; a gear shaft 3 is arranged in the clamping hole, the shaft part of the gear shaft 3 is positioned in the clamping hole, and the gear part of the gear shaft 3 is positioned above the clamping plate 1; the upper part of the workpiece is intermittently matched with the shaft part, and preferably, an elastic part, namely a spongy cushion is arranged between the inner wall of the shaft part and the upper part of the workpiece, so that the workpiece slowly descends under the action of the gravity of the workpiece, and the elastic part cleans the upper part of the workpiece in the descending process; the clamping assembly further comprises a driving motor 5 installed at the left end of the clamping plate 1, and an output shaft of the driving motor 5 drives a gear portion above the clamping plate 1 to rotate through a transmission rack 4.
The side wall of the spraying chamber is provided with a spray head 6, the spraying is communicated with a powder supply device filled with powder coating through an air pipe, powder in the powder supply device is in a fluidized state, the powder is realized through the action of compressed air, then the powder is carried by airflow flowing at high speed through siphon action to form powder-air mixture, and the powder finally reaches the spray head 6 through a Venturi powder pump and a powder conveying pipe.
A bottom plate 7 is arranged at the bottom of the spraying chamber, a collecting hole 9 is correspondingly arranged on the bottom plate 7 and the clamping hole, and the collecting hole 9 comprises a collecting part at the lower part and a fixing part at the upper part; the bottom plate 7 is provided with an inclined surface which inclines downwards towards the collecting hole 9; the bottom of the bottom plate 7 is connected with a collecting plate 8 in a sliding mode, and the collecting plate 8 is located at the bottom of the collecting part.
The specific working process is as follows: before spraying, the upper end of a workpiece to be sprayed is inserted into the shaft part of the gear shaft 3 in the clamping hole, the workpiece is kept in a vertical suspension state under the clamping of the elastic piece and the side wall of the shaft part, and when the workpiece is inserted, the lower end of the workpiece is positioned above the spraying, namely the vertical height of the bottom surface of the workpiece is greater than that of the spray head 6.
Then, the driving motor 5 is started, the driving motor 5 drives the gear shaft 3 to rotate through the transmission rack 4, and then the rotating gear shaft 3 drives the workpiece to rotate. And meanwhile, the powder supply device is started, the spray head 6 sprays powder coating to spray the workpiece, and redundant powder coating falls on the bottom plate 7 below and falls on the bottom of the collecting hole 9 on the bottom plate 7.
In the rotating process of the workpiece, the workpiece gradually slides downwards under the action of self gravity, the lower end of the workpiece sliding downwards gradually falls into the corresponding collecting hole 9 below, when the workpiece finally slides out of the clamping hole, the whole workpiece falls, and the lower end of the workpiece is fixed by the fixing part at the upper end of the collecting hole 9; when the workpiece falls into the fixing part of the collecting hole 9, the infrared rays emitted by the infrared emitter are blocked by the workpiece, the infrared receiver does not receive the infrared rays any more, the powder supply device stops working at the moment, and the spray head 6 stops working.
The foregoing is merely an example of the present invention, and common general knowledge in the field of known specific structures and characteristics is not described herein in any greater extent than that known in the art at the filing date or prior to the priority date of the application, so that those skilled in the art can now appreciate that all of the above-described techniques in this field and have the ability to apply routine experimentation before this date can be combined with one or more of the present teachings to complete and implement the present invention, and that certain typical known structures or known methods do not pose any impediments to the implementation of the present invention by those skilled in the art. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several changes and modifications can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.
Claims (10)
1. An aluminum alloy spraying process is characterized in that: the method comprises the following steps: s1: starting a clamping assembly to clamp a workpiece to be sprayed, so that the workpiece is kept in a vertically suspended state;
s2: starting the spray head to spray the workpiece, wherein in the spraying process, the clamping assembly drives the workpiece to rotate and move downwards, and redundant powder coating falls onto a bottom plate below and falls into the bottom of a collecting hole in the bottom plate;
s3: during the process that the workpiece moves downwards, the upper end of the workpiece is gradually separated from the clamping assembly, after the workpiece moves downwards for a period of time, the lower end of the workpiece falls into the collecting hole and is fixed by the fixing part at the upper end of the collecting hole, and meanwhile, the upper end of the workpiece is completely separated from the clamping assembly; when the workpiece falls into the fixed part of the collecting hole, the spray head is triggered to stop working.
2. The aluminum alloy spraying process according to claim 1, wherein: in S1, during the clamping of the workpiece by the clamping assembly, the surface of the workpiece is cleaned by the contact part of the clamping assembly and the workpiece.
3. The aluminum alloy spraying process according to claim 1, wherein: in S2, the powder coating dropped on the bottom plate slides along the inclined surface of the bottom plate into the collecting part below the collecting hole.
4. The aluminum alloy spraying process according to claim 1, wherein: in S2, the powder paint falling on the bottom plate falls on the collecting plate at the bottom of the collecting hole, and after the collecting plate is opened, the powder paint falls out from the collecting hole.
5. The aluminum alloy spraying process according to claim 4, wherein: in S2, the collecting hole is opened after the collecting plate is horizontally slid along the bottom plate.
6. The aluminum alloy spraying process according to claim 1, wherein: and S1, the clamping assembly comprises a rotating clamping plate, a clamping hole matched with the workpiece is formed in the clamping plate, and the workpiece is located in the clamping hole and can slide downwards along the clamping hole.
7. The aluminum alloy spraying process according to claim 6, wherein: the plurality of clamping holes arranged on the clamping plate in the S1 clamp the plurality of workpieces and drive the workpieces to rotate.
8. The aluminum alloy spraying process according to claim 1, wherein: and S1, adjusting the distance between the workpiece and the bottom plate through the telescopic connecting rod on the clamping assembly.
9. The aluminum alloy spraying process of claim 8, wherein: and S1, the clamping assembly is detachably connected with the connecting rod.
10. The aluminum alloy spraying process according to claim 1, wherein: in S1, the spray head is positioned above the workpiece when the workpiece falls into the fixed portion of the collection well.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010899886.3A CN112264276A (en) | 2020-08-31 | 2020-08-31 | Aluminum alloy spraying process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010899886.3A CN112264276A (en) | 2020-08-31 | 2020-08-31 | Aluminum alloy spraying process |
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| Publication Number | Publication Date |
|---|---|
| CN112264276A true CN112264276A (en) | 2021-01-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010899886.3A Pending CN112264276A (en) | 2020-08-31 | 2020-08-31 | Aluminum alloy spraying process |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204746674U (en) * | 2015-07-06 | 2015-11-11 | 将乐县佳丰木业有限公司 | Panel paint spraying apparatus |
| CN105642529A (en) * | 2014-11-28 | 2016-06-08 | 重庆伊曼环保设备有限公司 | Painting process for metal plates |
| CN107511687A (en) * | 2017-09-28 | 2017-12-26 | 江门金力五金实业有限公司 | A kind of rotary spraying vehicle frame production line |
| CN207287855U (en) * | 2017-07-17 | 2018-05-01 | 广东会德丰建设工程有限公司 | A kind of automatic four sides spray-painting plant of architectural engineering panel material |
| CN209093698U (en) * | 2018-10-18 | 2019-07-12 | 重庆新原港科技发展有限公司 | A kind of spray equipment being in electrical contact optimization protection material for new-energy automobile instrument |
| CN110665690A (en) * | 2019-11-06 | 2020-01-10 | 江苏彭飞自动化机械有限公司 | Suspension type application device |
| CN210115199U (en) * | 2019-05-30 | 2020-02-28 | 福建省永春双恒铝材有限公司 | Spraying device of anti-corrosion coating aluminum profile |
-
2020
- 2020-08-31 CN CN202010899886.3A patent/CN112264276A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105642529A (en) * | 2014-11-28 | 2016-06-08 | 重庆伊曼环保设备有限公司 | Painting process for metal plates |
| CN204746674U (en) * | 2015-07-06 | 2015-11-11 | 将乐县佳丰木业有限公司 | Panel paint spraying apparatus |
| CN207287855U (en) * | 2017-07-17 | 2018-05-01 | 广东会德丰建设工程有限公司 | A kind of automatic four sides spray-painting plant of architectural engineering panel material |
| CN107511687A (en) * | 2017-09-28 | 2017-12-26 | 江门金力五金实业有限公司 | A kind of rotary spraying vehicle frame production line |
| CN209093698U (en) * | 2018-10-18 | 2019-07-12 | 重庆新原港科技发展有限公司 | A kind of spray equipment being in electrical contact optimization protection material for new-energy automobile instrument |
| CN210115199U (en) * | 2019-05-30 | 2020-02-28 | 福建省永春双恒铝材有限公司 | Spraying device of anti-corrosion coating aluminum profile |
| CN110665690A (en) * | 2019-11-06 | 2020-01-10 | 江苏彭飞自动化机械有限公司 | Suspension type application device |
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Application publication date: 20210126 |
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