CN215088368U

CN215088368U - Workpiece coating assembly line

Info

Publication number: CN215088368U
Application number: CN202121492704.7U
Authority: CN
Inventors: 潘允
Original assignee: X J Electrics Hubei Co ltd
Current assignee: X J Electrics Hubei Co ltd
Priority date: 2021-07-01
Filing date: 2021-07-01
Publication date: 2021-12-10
Anticipated expiration: 2031-07-01

Abstract

The utility model discloses a work piece application assembly line belongs to application automation technical field, and it includes: the method comprises the following steps: the device comprises a workpiece conveying system, a spraying module, a preheating module, a powder spraying and coating module and a baking module, wherein the workpiece conveying system is used for conveying workpieces and is arranged in a closed loop; the spraying module comprises a plurality of spraying units which are linearly arranged along the transmission direction, and the plurality of spraying units sequentially carry out deoiling, derusting, cleaning and phosphating treatment on the workpiece; the preheating module is arranged close to the burner and used for preheating the workpiece; the powder spraying and coating module is a box body which is arranged in a sealing way, and is used for spraying powder to the workpiece and recycling redundant powder; the baking module comprises a first baking furnace, wherein a baking cavity with multiple sections communicated with each other is arranged in the first baking furnace, so that the baking time of the workpiece is prolonged, and the powder on the surface of the workpiece is uniformly solidified. The utility model provides a spraying system degree of automation has improved production efficiency.

Description

Workpiece coating assembly line

Technical Field

The utility model relates to an application automation technical field especially relates to a work piece application assembly line.

Background

The coating technology for the surface of a workpiece is an important link in the modern manufacturing process, and industrial parts can be subjected to rust prevention, corrosion prevention, wear resistance, beautification and the like through the coating technology. The coating process comprises the following steps: electrophoresis, spray painting, powder spraying, powder soaking and other technological routes, and each technological route includes several steps of pre-treatment, coating, drying, cooling and other steps.

When the powder spraying process is carried out, a plurality of sets of equipment, such as pretreatment equipment, an electric drying furnace, a powder spraying room and the like, are respectively and independently purchased in the traditional manufacturing industry according to the treatment requirements of different products, and workpieces are transferred and carried among the equipment through a transfer machine, a travelling crane, a conveying chain or the like, so that the equipment occupies a large area, the intelligent degree is low, and the production efficiency is low.

SUMMERY OF THE UTILITY MODEL

In view of the above, a workpiece coating line is needed to solve the problems of low automation degree and low production efficiency among devices in the existing coating process.

The utility model provides a work piece application assembly line, include: the device comprises a workpiece conveying system, a spraying module, a preheating module, a powder spraying and coating module and a baking module, wherein the workpiece conveying system is used for conveying workpieces and is arranged in a closed loop;

the spraying module comprises a plurality of spraying units which are linearly arranged along the conveying direction, and the plurality of spraying units sequentially carry out deoiling, derusting, cleaning and phosphating treatment on the workpiece;

the preheating module is arranged close to the burner and used for preheating the workpiece;

the powder spraying and coating module is a box body which is arranged in a sealing way, and is used for spraying powder to the workpiece and recycling redundant powder;

the baking module comprises a first baking furnace, wherein a baking cavity with multiple sections communicated with each other is arranged in the first baking furnace, so that the baking time of a workpiece is prolonged, and powder on the surface of the workpiece is uniformly solidified.

Further, the workpiece conveying system comprises a conveying track, a conveying chain arranged on the conveying track and a driving piece connected with the conveying chain in a transmission mode, the workpiece is detachably connected with the conveying chain through a hanging jig, and the driving piece drives the conveying chain to move along the conveying track.

Furthermore, one end of the hanging jig is movably connected with the conveying chain, and the other end of the hanging jig is detachably connected with the workpiece.

Furthermore, the spraying unit comprises a hollow spraying box and a spraying head arranged inside the spraying box, the spraying head is arranged on the inner wall of the spraying box and is connected end to end, so that the spraying box is internally provided with a spraying channel for the workpiece to pass through.

Furthermore, a recycling box for collecting spraying liquid is arranged below each spraying box, and the recycling box is arranged opposite to the spraying heads.

Further, the preheating module comprises a second baking oven, and the internal temperature of the second baking oven is: 100 ℃ and 160 ℃.

Furthermore, the powder spraying and coating module comprises a powder spraying chamber for spraying powder to the workpiece and a powder recovery unit, wherein the powder recovery unit is arranged on one side of the powder spraying chamber and recovers powder attached to the powder spraying chamber.

Furthermore, a plurality of baking chambers are arranged in parallel, and the head sections or the tail ends of two adjacent baking chambers are transversely communicated to form a hairpin-shaped channel.

Further, the internal temperature of the baking chamber is as follows: 180 ℃ and 200 ℃.

Furthermore, a feeding module and a discharging module which are used for feeding and discharging are arranged between the spraying module and the baking module, and the feeding module and the discharging module are arranged adjacently.

Compared with the prior art, the utility model discloses the beneficial effect who has does:

(1) the utility model discloses a work piece application assembly line through setting up work piece conveying system, utilizes the removal that carries the chain to drive the work piece, moves between each equipment according to technology order, has promoted whole assembly line system's degree of automation, has improved production efficiency.

(2) The utility model discloses a work piece application assembly line sets up the unit that sprays of a plurality of differences spray liquid in spraying the module, accomplishes deoiling, derusting, washing and bonderizing to workpiece surface, and the modularization degree is high, compact structure. Meanwhile, the spraying liquid can be recycled by arranging the recycling box, so that resources are saved, and the environment is protected.

(3) The utility model discloses a work piece application assembly line is equipped with the stoving cavity that the multistage communicates each other in first baking oven, can prolong the stoving time of work piece, makes workpiece surface's powder melt, levelling, solidification, once forms required work piece coating.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without undue limitation to the invention. In the drawings:

fig. 1 is a schematic plan structure view of a workpiece coating line according to the present invention;

FIG. 2 is a schematic structural view of the conveying system of the present invention;

fig. 3 is a schematic structural diagram of the spraying unit in the present invention;

in the figure, a conveying system 100, a conveying track 110, a conveying chain 120, a driving element 130, a hanging jig 140, a spraying module 200, a spraying unit 210, a spraying box 211, a spraying head 212, a recycling box 213, a preheating module 300, a second baking oven 310, a powder spraying and coating module 400, a powder spraying chamber 410, a powder recycling unit 420, a baking module 500, a first baking oven 510, a baking chamber 511, a feeding module 600, a discharging module 700 and a burner 800 are shown.

Detailed Description

The following detailed description of the preferred embodiments of the invention, which is to be read in connection with the accompanying drawings, forms a part of this application, and together with the embodiments of the invention, serve to explain the principles of the invention and not to limit its scope.

Referring to fig. 1, a workpiece coating line in the present embodiment includes: the closed-loop workpiece conveying system 100, the spraying module 200, the preheating module 300, the powder spraying and coating module 400 and the baking module 500 are sequentially arranged along the workpiece conveying system 100, the workpiece conveying system 100 drives the workpiece to move among the modules, and the spraying module 200 firstly carries out pretreatment before powder spraying on the surface of the workpiece, removes impurities on the surface of the workpiece and increases the adhesive force of the surface of the workpiece to powder. The preheating module 300 heats the workpiece to a certain temperature, which may increase the thickness of the coating. The powder spraying module 400 sprays powder to the surface of the workpiece to form a uniform coating on the surface of the workpiece, and the powder spraying module 400 can also recycle powder which is not attached to the surface of the workpiece for recycling. The baking module 500 is used for baking the workpiece for a long time to melt, level and solidify the powder on the surface of the workpiece, so as to form the required workpiece coating at one time.

Referring to fig. 2, the workpiece conveying system 100 includes a conveying rail 110, a conveying chain 120 disposed on the conveying rail 110, and a driving member 130 connected to the conveying chain 120 in a driving manner. In the specific implementation process, the cross section of the conveying track 110 is in an inverted U shape, the whole conveying track 110 is in an end-to-end closed loop structure, the conveying chain 120 is arranged in an inverted U-shaped inner cavity of the conveying track 110, and the workpiece is detachably connected with the conveying chain 120 through the hanging fixture 140. The driving unit 130 is a driving motor, and the driving unit 130 is not shown in the drawings, and the driving motor drives the conveying chain 120 to move along the conveying track 110 through a gear, so as to sequentially convey the workpiece to each module for corresponding processing. As a further embodiment, one end of the hanging fixture 140 is connected to the pin of the conveying chain 120, the hanging fixture 140 can rotate around the pin, the workpiece is hung on the hanging fixture 140, the workpiece can be easily mounted on the hanging fixture 140, and the workpiece can be easily dismounted from the hanging fixture 140. It should be noted that, in the embodiment, the hanging fixture 140 includes a connecting rod and a semicircular bracket, the connecting rod connects the bracket and the transmission chain, and the workpiece is hung on the bracket. The hanging fixture 140 has various structures in implementation, and in the embodiment, the hanging fixture is only one of the relatively preferable structures.

Referring to fig. 1 and 3, the spray module 200 includes a plurality of spray units 210 linearly arranged, and each spray unit 210 includes a spray box 211 having a hollow interior and a spray header 212 disposed inside the spray box 211. The inside cavity of spraying case 211 sprays the equal opening in below and both sides of case 211, and the bottom of spraying case 211 passes through the supporting leg and sets up with ground interval, and a plurality of spraying case 211 end to end, the opening that sprays case 211 both sides set up relatively and form the spraying channel, and work piece conveying system 100 passes the spraying channel, drives the work piece and passes through the spraying channel. The inner wall of the spray box 211 is provided with a plurality of spray heads 212, and the spray heads 212 spray liquid on the workpiece to correspondingly treat the surface of the workpiece. In the specific implementation process, four spraying units 210 are arranged, and the first spraying unit 210 sprays alkali liquor on the workpiece through a spraying head 212 to remove oil stains on the surface of the workpiece; the second spraying unit 210 sprays a rust remover on the workpiece through the spraying head 212 to remove rust on the surface of the workpiece; the third spraying unit 210 sprays cleaning liquid to the workpiece through the spraying head 212 to clean residual alkali liquor and rust remover on the surface of the workpiece and wash other impurities on the workpiece; the fourth spraying unit 210 sprays the phosphating agent to the workpiece through the spraying head 212 to form a layer of water-insoluble crystalline phosphate conversion film on the surface of the workpiece, so that the workpiece is prevented from being corroded to a certain degree, and meanwhile, the powder has the adhesion force and the corrosion resistance on the surface of the workpiece.

As a further embodiment, a recovery tank 213 for collecting the spray liquid is provided below each spray tank 211, the spray liquid sprayed from the spray heads 212 is collected in different recovery tanks 213, and the spray liquid in the recovery tanks 213 can be reused after being treated. And the spraying liquid belongs to heavily polluted industrial liquid, and the pollution to the environment is reduced by recycling.

Referring to fig. 1, the baking module 500 includes a first baking oven 510, a plurality of baking chambers 511 are disposed in the first baking oven 510, the baking chambers 511 are disposed in parallel, the first section or the tail end of two adjacent baking chambers 511 are connected in a transverse direction to form a hairpin channel, the conveying track 110 passes through the hairpin channel, and the powder adhered to the surface of the workpiece is melted, leveled and solidified at a certain temperature to form a desired workpiece coating at one time. As a further embodiment, the internal temperature of the bake chamber 511 is: 180 ℃ and 200 ℃, and the heat preservation time is 5-20 minutes. It should be noted that different powders vary in baking temperature and time. The preheating module 300 includes a second bake oven 310, and the internal temperature of the second bake oven 310 is: 100 ℃ and 160 ℃. The second baking oven 310 preheats the workpiece, which facilitates the attachment of the powder. Be provided with combustor 800 between first oven and second oven, combustor 800 toasts first oven and second oven and heats, maintains the inside temperature of oven.

Referring to fig. 1, the powder spraying module 400 includes a powder spraying chamber 410 for spraying powder onto a workpiece and a powder recycling unit 420, wherein an electrostatic spraying device is disposed in the powder spraying chamber 410, and the powder spraying device drives powder to spray onto the workpiece so that the powder is attached to the workpiece. Powder recovery unit 420 includes water jet equipment and rivers recovery unit, and water jet equipment is to the spray booth 410 inner wall water spray that has the powder, and rivers will adsorb in the dust on the spray booth 410 inner wall washes the recovery storehouse, and the cooperation of rethread recovery storehouse and filter house for dust and rivers obtain the separation, and the dust after the separation is after drying, has realized the purpose of retrieving and recycling.

A feeding module 600 and a discharging module 700 for feeding and discharging are arranged between the spraying module 200 and the baking module 500, the feeding module 600 comprises a relatively independent feeding area, a workpiece to be sprayed is placed on one side of the feeding area, a conveying track 110 is arranged on the other side of the feeding area, and the workpiece is hung on the hanging jig 140 through a machine or manually. The unloading module 700, similar to the loading module 600, includes an unloading area where the workpiece is unloaded from the hanging jig 140 by a machine or manually and conveyed to the next process.

The working process is as follows: the workpiece conveying system 100 is first started, and the hanging jig 140 moves along with the conveying chain 120, so that the workpiece is mounted on the hanging jig 140 in the loading area. The workpiece is first subjected to oil, rust removal, cleaning, and phosphating treatment in the spray module 200, then preheated in the second baking oven 310, and then subjected to powder spraying treatment in the powder spraying module 400. The sprayed workpiece enters the first baking oven 510, and the powder on the surface of the workpiece is melted, leveled and solidified through long-time baking in the first baking oven 510, so that the required workpiece coating is formed at one time. And finally, unloading the workpiece in the unloading area and entering the next working procedure.

The above description is only for the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the present invention.

Claims

1. A workpiece coating line, comprising: the device comprises a workpiece conveying system, a spraying module, a preheating module, a powder spraying and coating module and a baking module, wherein the workpiece conveying system is used for conveying workpieces and is arranged in a closed loop;

2. The workpiece coating line according to claim 1, wherein the workpiece conveying system comprises a conveying track, a conveying chain arranged on the conveying track, and a driving member in transmission connection with the conveying chain, the workpieces are detachably connected with the conveying chain through hanging fixtures, and the driving member drives the conveying chain to move along the conveying track.

3. The workpiece coating line according to claim 2, wherein one end of the hanging jig is movably connected with the conveying chain, and the other end of the hanging jig is detachably connected with the workpiece.

4. The workpiece coating production line of claim 1 or 3, wherein the spraying unit comprises a spraying box with a hollow interior and a spraying head arranged inside the spraying box, the spraying head is arranged on the inner wall of the spraying box, and the spraying boxes are connected end to end so that spraying channels for workpieces to pass through are formed inside the spraying boxes.

5. The workpiece coating line as recited in claim 4, wherein a recycling bin for collecting the spray liquid is provided below each spray bin, and the recycling bin is disposed opposite to the spray header.

6. The workpiece coating line of claim 5, wherein the preheating module comprises a second baking oven, and the internal temperature of the second baking oven is: 100 ℃ and 160 ℃.

7. The workpiece coating line according to claim 1 or 6, wherein the powder coating module comprises a powder spraying chamber for spraying powder on the workpiece and a powder recovery unit, the powder recovery unit is arranged at one side of the powder spraying chamber, and the powder recovery unit recovers powder attached in the powder spraying chamber.

8. The workpiece coating line of claim 7, wherein a plurality of the baking chambers are arranged in parallel, and the head sections or the tail ends of two adjacent baking chambers are transversely communicated to form hairpin-shaped channels.

9. A workpiece coating line as in claim 8, wherein the internal temperature of said baking chamber is: 180 ℃ and 200 ℃.

10. The workpiece coating line of claim 9, wherein a loading module and a blanking module for loading and unloading are arranged between the spraying module and the baking module, and the loading module and the blanking module are arranged adjacently.