CN115921189A - Suspended coating production line for aluminum alloy shells - Google Patents

Abstract

The invention provides a suspension type coating production line suitable for an aluminum alloy shell, the equipment function of the suspension type coating production line is divided into an upper part section, a pre-coating treatment section, a first treatment section, a primer drying section, a second treatment section, a finish drying section, a post-coating treatment section and a lower part section according to the production process requirement in sequence, the inlet of the upper part section is connected with the outlet of an original material warehouse, and the outlet of the lower part section is connected with the inlet of a finished product warehouse. Through setting up a complete chain that hangs that is connected to the entry in finished product storehouse from the export in raw materials storehouse, and set up first processing section, second processing section and spray paint to the inner wall and the outer wall of aluminum alloy housing respectively, make aluminum alloy housing need not repeat the piece from top to bottom in the application production process, the application of aluminum alloy housing can be accomplished to one-time piece, greatly improved the production efficiency and the product quality of aluminum alloy housing application, shortened manufacturing cycle, promoted the per capita value.

Description

Suspended coating production line for aluminum alloy shells

technical field

The invention relates to a hanging coating production line, in particular to a hanging coating production line suitable for aluminum alloy shells.

Background technique

GIS (Gas Insulated Switchgear, gas-insulated metal-enclosed switchgear) equipment, as a key equipment for power transmission and transformation, has the advantages of compact structure, small footprint, safe and reliable operation, short maintenance time, and no influence from the external environment. be widely used.

The casing of GIS equipment is usually made of aluminum alloy. Coating is an important link in the manufacturing process of aluminum alloy shells. Coating is a systematic project, which includes three basic processes of surface treatment before coating, coating process and drying, as well as a reasonable coating system design. To design the coating process, it is necessary to select the appropriate coating, determine a good coating operation environment, and carry out quality and process control.

The existing aluminum alloy shell coating production line uses a suspended assembly line in some processes, but parts need to be loaded and unloaded multiple times between major processes, the production efficiency is low, and multiple loading and unloading poses safety and quality risks And other issues. Therefore, there is an urgent need to design a new aluminum alloy shell coating production line that can complete all the work procedures in one loading and unloading, so as to solve the problems of low production efficiency, safety and quality hidden dangers of the existing coating production line.

Contents of the invention

The present invention aims to solve the problems of low production efficiency, safety and quality hidden dangers of the existing coating production line, and provides a suspended coating production line.

The present invention solves the above technical problems through the following technical solutions:

The present invention provides a suspended coating production line suitable for aluminum alloy shells, the suspended coating production line comprising:

The production area planned on the plant floor;

a warehouse, the warehouse includes a raw material warehouse and a finished product warehouse, and the warehouse is arranged on the side of the production area;

a suspension chain, the suspension chain is arranged above the production area, and the suspension chain is used to suspend and transport the aluminum alloy casing;

A plurality of production equipment, the production equipment is arranged in the production area, and a plurality of production equipment is arranged along the extension direction of the suspension chain, and the suspension chain is divided into the upper section, the coating section and the coating section according to the functions of the corresponding production equipment. Pre-treatment section, first treatment section, primer drying section, second treatment section, topcoat drying section, post-painting treatment section and lower part section, the inlet of the upper part section is connected to the outlet of the raw material warehouse , the outlet of the lower section is connected to the inlet of the finished product warehouse.

In this technical solution, by setting up a complete suspension chain connected from the outlet of the raw material warehouse to the entrance of the finished product warehouse, and setting the first processing section and the second processing section to treat the inner wall, bottom and outer surface of the aluminum alloy shell respectively Painting is carried out, so that the aluminum alloy shell does not need to be loaded and unloaded multiple times during the coating process, and the coating of the aluminum alloy shell can be completed by one loading.

Preferably, the warehouse is located at the upper right corner of the production area, the lower section is arranged along the upper edge of the production area, and the front section of the pre-painting treatment section is arranged along the right edge of the production area, The rear section of the pre-painting treatment section is parallel to the lower section and is located inside relative to the lower section.

In this technical solution, the lower section is set on the upper edge of the production area, which can ensure that the operator can observe and count the quantity conveniently when the aluminum alloy shell is put into storage; the front section of the pre-painting treatment section, the The back section is set on the edge of the production area, which can facilitate the installation during construction, and also facilitate the operation of operators and equipment maintenance.

Preferably, the front section of the pre-painting treatment section includes a degreasing section and a first water washing section, the degreasing section and the first water washing section are arranged parallel to the right edge of the production area, and the first water washing section is opposite to the The degreasing section is located inside.

In this technical solution, the degreasing section and the first water washing section are arranged on the right edge of the production area, which is convenient for personnel to operate and maintain, can maximize the reasonable use of workshop space, and is also convenient for operators to operate.

Preferably, the suspended coating production line further includes a first pedestrian platform, and the first pedestrian platform is located between the degreasing section and the first water washing section.

In this technical solution, the setting of the first pedestrian platform can be used by operators to operate and observe the operation conditions of the degreasing section and the first water washing section.

Preferably, the rear section of the pre-painting treatment section includes a light extraction section, a second water washing section, a passivation section, a pure water washing section, a water blowing section, a dripping section, a moisture drying section and a first forced cooling section, so The light emitting section, the second washing section, the passivation section, the pure water washing section and the water blowing section form the first straight section, the dripping section, the moisture drying section and the first strong cooling section form the second straight section, and the first A straight line segment and a second straight line segment are arranged parallel to the lower section, and the second straight line segment is located inside relative to the first straight line segment.

In this technical solution, the setting of the rear section of the above-mentioned pre-painting treatment section can maximize the rational use of workshop space and facilitate the operation of operators. At the same time, the moisture drying section can also be set adjacent to other drying sections, saving energy. energy.

Preferably, the suspended painting production line further includes a second pedestrian platform, and the second pedestrian platform is arranged between the first straight line section and the second straight line section.

In this technical solution, the second pedestrian platform can be used by operators to observe the running conditions of the rear section of the pre-painting treatment section.

Preferably, the primer drying section and the topcoat drying section are arranged adjacently.

In this technical solution, the primer drying section and the topcoat drying section are arranged adjacent to each other, so that the heat emitted by the primer drying section and the topcoat drying section can compensate each other, which not only reduces energy waste, but also saves land occupation area, saving energy to the greatest extent.

Preferably, the pre-painting treatment section further includes a moisture drying section, and the moisture drying section is arranged adjacent to the primer drying section and the topcoat drying section.

In this technical solution, the moisture drying section is arranged adjacent to the primer drying section and the topcoat drying section, so that the heat of the moisture drying section can also compensate with the heat of the primer drying section and the topcoat drying section, Reduce energy waste.

Preferably, the first processing section and/or the second processing section are arranged along the lower edge of the production area.

In this technical solution, the first processing section and/or the second processing section are arranged along the lower edge of the production area, so that the operator can conveniently carry out the painting operation, make the painting automation easy to see, and facilitate ventilation and exhaust.

Preferably, the post-painting treatment section is arranged along the left edge of the production area.

In this technical solution, the main production equipment of the post-painting treatment section is arranged on the left edge of the production area, so that operators can conveniently perform post-processing operations and facilitate maintenance of post-processing equipment.

Preferably, the primer drying section and the topcoat drying section are located in the middle of the production area.

In this technical solution, the primer drying section and the topcoat drying section are located in the middle of the production area, which realizes a reasonable layout of the production line. At the same time, the heat emitted by the primer drying section and the topcoat drying section can also be compared with other equipment Shared, and used for factory heating, saving energy.

Preferably, the suspended coating production line also includes a semi-finished product storage line and a line body transfer device, the line body transfer device is arranged between the semi-finished product storage line and the suspension chain, and the semi-finished product storage line It is used for hanging and storing the aluminum alloy shell, and the wire body transfer device is used for transporting the aluminum alloy shell between the semi-finished product storage line and the suspension chain.

In this technical solution, by setting up a semi-finished product storage line, the unpainted aluminum alloy casing can be temporarily stored on the semi-finished product storage line, so that the aluminum alloy casing remains in a suspended state, and there is no need to remove the aluminum alloy casing storage, improving production efficiency.

Preferably, the storage line for semi-finished products extends above the suspension chain, and the storage line for semi-finished products partially overlaps with the suspension chain in the vertical direction.

In this technical solution, the semi-finished product storage line is arranged above the suspension chain, which does not affect the production and saves the workshop area.

Preferably, the suspended coating production line also includes an upper floor, the upper floor is horizontally inserted between the semi-finished product storage line and the suspension chain, and the upper floor vertically connects the semi-finished product storage line and the suspension chain. isolation.

In this technical solution, the upper floor is set to ensure the safety of equipment and personnel under the semi-finished product storage line; at the same time, operators can also go to the upper floor to operate or maintain the semi-finished product storage line.

Preferably, the first treatment section includes a pre-primer masking section and an implementation section, the primer pre-masking section is used for masking part of the surface of the aluminum alloy casing, and the implementation section is used for The surface of the aluminum alloy shell is sprayed; the wire body transfer device is arranged between the shielding section before the primer and the implementation section.

In this technical solution, after the aluminum alloy shell is shielded by the primer shielding section of the first treatment section, it can choose to enter the implementation section of the first treatment section for painting treatment, or it can be selected from the wire body transfer device Transfer to the semi-finished product storage line, and temporarily store it on the semi-finished product storage line, avoiding the problem of backlog of parts in the implementation section of the first processing section.

Preferably, the suspended coating production line further includes a human flow channel, which is used for operators to walk and transport goods, and the human flow channel is arranged around the edge of the production area.

In this technical solution, all the production equipment with high operation requirements are arranged on the edge of the production area, and then a surrounding human flow channel is set up on the edge of the production area, which ensures the convenience of the operator's walking and logistics transportation, and improves the production efficiency. efficiency.

On the basis of conforming to common knowledge in the field, the above-mentioned preferred conditions can be combined arbitrarily to obtain preferred examples of the present invention.

The positive progress effect of the present invention is:

The above-mentioned suspended coating production line suitable for aluminum alloy shells is provided with a complete suspension chain connected from the outlet of the raw material warehouse to the entrance of the finished product warehouse, and the first processing section and the second processing section are respectively set to treat the aluminum alloy shell The inner wall, bottom and outer surface of the body are sprayed, so that the aluminum alloy shell does not need to be repeatedly loaded and unloaded during the coating process, and the coating of the aluminum alloy shell can be completed by one piece of loading, which greatly improves the coating quality of the aluminum alloy shell. The production efficiency and product quality of packaging are improved, the manufacturing cycle is shortened, and the per capita output value is increased.

Description of drawings

Fig. 1 is a schematic layout diagram of a hanging coating production line applicable to aluminum alloy shells according to the present invention.

Fig. 2 is a partially enlarged view of the hanging coating production line shown in Fig. 1 .

Fig. 3 is a schematic view in the vertical direction of the semi-finished product storage line and the suspension chain of the hanging coating production line shown in Fig. 1 .

Explanation of reference signs

Production area 1

Warehouse 2

hanging chain 3

Upper section 31

Pre-painting treatment section 32

Skim section 321

The first washing section 322

Light section 323

The second washing section 324

Passivation section 325

Pure water washing section 326

Blowing section 327

Drip section 328

Moisture drying section 329

The first forced cooling section 3210

First processing stage 33

Bottom shielding section 331

Top Shelter Section 332

Side shielding section 333

Hole shielding section 334

Spray interior wall paint section 335

Primer section 336

Primer leveling section 337

Primer drying section 34

Second processing stage 35

Primer forced cooling section 351

Primer sanding section 352

Primer cleaning section 353

Primer Cleaning Section 354

Masking section before topcoat 355

Spray finish section 356

Respray topcoat section 357

Topcoat leveling section 358

Topcoat drying section 36

Post-painting treatment section 37

Topcoat forced cooling section 371

Demasking section 372

Topcoat sanding section 373

Topcoat cleaning section 374

Topcoat Cleaning Section 375

Lower section 38

First Pedestrian Platform 4

Second pedestrian platform 5

Semi-finished product storage line 6

Line body transfer device 7

upper floor 8

Passageway 9

Detailed ways

The present invention is further illustrated below by means of examples, but the present invention is not limited to the scope of the examples.

Fig. 1 shows an embodiment of the present invention applicable to a hanging coating production line for aluminum alloy shells. The suspended coating production line includes production area 1, warehouse 2, suspension chain 3 and some production equipment. Production area 1 is planned on the ground of the factory building. Warehouse 2 includes raw material warehouse and finished product warehouse. Warehouse 2 is set on the side of production area 1. side; the suspension chain 3 is set above the production area 1, and the suspension chain 3 is used to hang and transport the aluminum alloy shell; According to the functions of the correspondingly set production equipment, it is divided into the loading section 31, the pre-painting treatment section 32, the first treatment section 33, the primer drying section 34, the second treatment section 35, the finish paint drying section 36, the coating section The post-processing section 37 and the lower piece section 38 are installed, the inlet of the upper piece section 31 is connected to the outlet of the raw material warehouse, and the outlet of the lower piece section 38 is connected to the entrance of the finished product warehouse.

In this hanging coating production line, a complete suspension chain 3 connected from the outlet of the raw material warehouse to the entrance of the finished product warehouse is provided, and the first processing section 33 and the second processing section 35 are respectively arranged for the inner wall of the aluminum alloy shell, The bottom and the outer surface are painted, so that the aluminum alloy shell does not need to be repeatedly loaded and unloaded during the coating process, and the coating of the aluminum alloy shell can be completed once the piece is loaded.

The pre-painting treatment section 32 can be divided into a front section and a back section. The front section of the painting pre-treatment section 32 is sequentially divided into a degreasing section 321 and a first washing section 322 according to the functions of the corresponding production equipment; According to the functions of the corresponding production equipment, the section is divided into the light output section 323, the second washing section 324, the passivation section 325, the pure water washing section 326, the water blowing section 327, the dripping section 328, the moisture drying section 329 and the first strong cooling section. Section 3210. The first treatment section 33 includes a masking section before the primer and an implementation section. The masking section before the primer is used to mask part of the surface of the aluminum alloy casing, and the implementation section is used to spray paint on the surface of the aluminum alloy casing; The shielding section is sequentially divided into bottom shielding section 331, top shielding section 332, side shielding section 333, and hole shielding section 334 according to the functions of the corresponding production equipment. The implementation section is sequentially divided into inner wall paint spraying section 335 according to the functions of the corresponding production equipment. , Spray primer section 336, primer leveling section 337. The primer drying section 34 is used for drying the primer. The second processing section 35 is successively divided into primer forced cooling section 351, primer polishing section 352, primer cleaning section 353, primer cleaning section 354, topcoat front masking section 355, and topcoat spray section according to the functions of the corresponding production equipment. Section 356, respray topcoat section 357 and topcoat leveling section 358. The top paint drying section 36 is used for top paint drying. The post-painting treatment section 37 is sequentially divided into a topcoat forced cooling section 371 , a masking section 372 , a topcoat polishing section 373 , a topcoat cleaning section 374 and a topcoat cleaning section 375 according to the functions of the corresponding production equipment. Through the layout of the technological process of the above-mentioned production line, the coating of the aluminum alloy casing can be better realized; of course, the above-mentioned functional modules can also be adjusted according to specific technological requirements to achieve a better coating effect.

As shown in Figure 1, the warehouse 2 is located at the upper right corner of the production area 1, the lower section 38 is arranged along the upper edge of the production area 1, and the front section of the pre-painting treatment section 32 is arranged along the right edge of the production area 1, and the pre-painting treatment The rear section of section 32 is parallel to lower section 38 and is located inwardly relative to lower section 38 . By arranging the front section of the pre-painting treatment section 32 and the rear section of the pre-painting treatment section 32 on the edge of the production area 1, it is convenient for installation during construction, and also facilitates the operation of operators and equipment maintenance.

Wherein, the degreasing section 321 and the first washing section 322 in the front section of the pre-painting treatment section 32 are arranged parallel to the right edge of the production area 1 , and the first washing section 322 is located inside relative to the degreasing section 321 . A first pedestrian platform 4 is also provided between the degreasing section 321 and the first washing section 322 , and the first pedestrian platform 4 can be used by operators to operate and observe the operation conditions of the degreasing section 321 and the first washing section 322 .

Wherein, the light emitting section 323, the second washing section 324, the passivation section 325, the pure water washing section 326 and the water blowing section 327 of the rear section of the coating pretreatment section 32 form the first straight section, the drip section 328, the moisture drying section 329 and the first forced cooling section 3210 form the second straight section, the first straight section and the second straight section are arranged parallel to the lower section 38, and the second straight section is located inside relative to the first straight section. A second pedestrian platform 5 is also arranged between the first straight line section and the second straight line section, and the second pedestrian platform 5 can allow operators to observe the running conditions of the rear section of the pre-painting treatment section 32 .

As shown in FIGS. 1 and 2 , the primer drying section 34 and the topcoat drying section 36 are located in the middle of the production area 1 . Since the manual operation required by the drying equipment is less, placing the primer drying section 34 and the topcoat drying section 36 in the middle of the production area 1 can make the layout of the entire production line more compact, and does not affect the production line. Productivity and ease of operation.

In order to save energy to the greatest extent, the primer drying section 34 and the topcoat drying section 36 are arranged adjacent to each other, so that the heat emitted by the primer drying section 34 and the topcoat drying section 36 can compensate each other, reducing energy waste At the same time, it also saves the floor area. Simultaneously, the moisture drying section 329 of the pre-coating treatment section 32 can also be set to be adjacent to the primer drying section 34 and the finish paint drying section 36, so that the heat of the moisture drying section 329 can also be compared with the primer drying section. The heat of the drying section 34 and the finish paint drying section 36 compensate each other to reduce energy waste.

As shown in FIG. 1 , the first processing section 33 is arranged along the lower edge of the production area 1 . Specifically, the inner wall paint spraying section 335 and the primer spraying section 336 of the first treatment section 33 are arranged by the lower edge of the production area 1, and the primer front shielding section (i.e. the bottom shielding section 331, the top shielding section) of the first treatment section 33 Section 332, side shielding section 333, hole shielding section 334) are arranged between the implementation section of the first treatment section 33 and the rear section of the pre-painting treatment section 32. The inner wall paint spraying section 335 and the primer spraying section 336 are arranged at the lower edge of the production area 1, so that the operator can conveniently carry out the painting operation. The bottom shielding section 331 , the top shielding section 332 , the side shielding section 333 , and the hole shielding section 334 are arranged in a relatively inner area, which can save space while ensuring production efficiency.

As shown in FIG. 1 , the second treatment section 35 is arranged along the lower edge of the production area 1 . Specifically, the primer grinding section 352, the primer cleaning section 353, the primer cleaning section 354, the masking section 355 before the topcoat, the topcoat section 356, and the respray topcoat section 357 of the second processing section 35 are along the production area. The lower edge of 1 is set, the primer strong cooling section 351 is bent inwardly to connect the primer grinding section 352 and the primer drying section 34, and the topcoat leveling section 358 is curved inwardly to connect the respray topcoat section 357 and the topcoat drying section paragraph 36. The main production equipment of the second processing section 35 is arranged at the lower edge of the production area 1, so that the operator can conveniently carry out the painting operation and also facilitate the maintenance of the painting equipment.

As shown in FIG. 1 , the post-painting treatment section 37 is arranged along the left edge of the production area 1 . Specifically, the masking section 372, topcoat polishing section 373, topcoat cleaning section 374, and topcoat cleaning section 375 are arranged along the left edge of the production area 1, and the topcoat strong cooling section 371 is bent inwardly to connect the topcoat drying. Section 36 and unmasking section 372. The main production equipment of the post-painting treatment section 37 is arranged on the left edge of the production area 1, so that the operators can conveniently perform post-processing operations and also facilitate the maintenance of the post-processing equipment.

From the overall layout, the rear section of the pre-painting treatment section 32 is located at the upper edge of the production area 1, the front section of the pre-painting treatment section 32 is located at the right edge of the production area 1, the implementation section of the first treatment section 33, the second section The processing section 35 is located at the lower edge of the production area 1, and the post-painting processing section 37 is located at the left edge of the production area 1, so that the production equipment with high operation requirements of the painting production line is located at the edge of the production area 1, which is convenient for operators operation and equipment maintenance. However, the primer drying section 34 and the topcoat drying section 36 are located in the middle, and are adjacent to the moisture drying section 329 of the pre-painting treatment section 32, which solves the problem of energy waste caused by the heat dissipation of the drying furnace. It saves energy to a maximum and achieves the purpose of energy saving and environmental protection.

As shown in Figures 1 and 3, the suspended coating production line also includes a semi-finished product storage line 6 and a line body transfer device 7. The line body transfer device 7 is arranged between the semi-finished product storage line 6 and the suspension chain 3, and the semi-finished product storage line 6 is used to hang and store the aluminum alloy casing, and the wire body transfer device 7 is used to transport the aluminum alloy casing between the semi-finished storage line 6 and the suspension chain 3 . When the aluminum alloy casing has a backlog in the coating process and cannot flow to the next process, the aluminum alloy casing can be transferred from the suspension chain 3 to the semi-finished product storage line 6 through the line body transfer device 7 . The aluminum alloy casing is first suspended on the semi-finished product storage line 6, and then transferred from the semi-finished product storage line 6 to the suspension chain 3 after the backlog phenomenon in the subsequent process disappears, and flows into the next process. When it is necessary to suspend production, the unfinished aluminum alloy casing can also be transferred from the suspension chain 3 to the semi-finished product storage line 6 through the wire body transfer device 7, so that the unfinished aluminum alloy casing is temporarily stored in the Semi-finished product storage line 6.

In order to save the workshop area, the semi-finished product storage line 6 can be extended to the top of the suspension chain 3, and the semi-finished product storage line 6 and the suspension chain 3 partially overlap in the vertical direction. The aluminum alloy shell is moved to the top of the suspension chain 3 through the semi-finished product storage line 6, which does not affect the production and saves the workshop area.

In order to avoid the danger caused by the falling of the aluminum alloy shell of the semi-finished product storage line 6, the production line is also provided with an upper floor 8, which is inserted horizontally between the semi-finished product storage line 6 and the suspension chain 3, and the upper floor 8 connects the semi-finished product storage line 6 1. The suspension chain 3 is isolated along the vertical direction. Even if an accident occurs, if the aluminum alloy shell falls from the semi-finished product storage line 6, it will only fall to the upper floor 8, and will not fall to the suspension chain 3 below and the surrounding production equipment, which ensures the semi-finished product storage line The equipment and personnel below the 6 are safe; at the same time, the operating personnel can also go to the upper floor 8 to operate or maintain the semi-finished product storage line 6 .

In this embodiment, the upper section 31 is arranged on the second floor, the lower section 38 is arranged on the first floor, and the semi-finished product storage line 6 is arranged on the top, which is equivalent to the third floor.

In this embodiment, the semi-finished product storage line 6 is mainly located above the pre-painting treatment section 32 and the primer drying section 34; in other embodiments, the semi-finished product storage line 6 can also If required, set it in other areas.

In this embodiment, since the implementation section of the first treatment section 33 is a process link that is more prone to backlogs, the wire body transfer device 7 is arranged between the primer shielding section and the implementation section of the first treatment section 33 . The aluminum alloy casing is subjected to surface treatment in the pre-painting treatment section 32 , and then masked in the pre-priming masking section of the first treatment section 33 . Thereafter, you can choose to enter the implementation section of the first treatment section 33 for painting treatment, or you can choose to transfer from the line body transfer device 7 to the semi-finished product storage line 6, and temporarily store it on the semi-finished product storage line 6.

As shown in FIG. 1 , the suspended coating production line also includes a human flow channel 9 , which is used for the walking of operators and logistics transportation, and the human flow channel 9 is arranged around the edge of the production area 1 . All the production equipment with high operation requirements are arranged on the edge of the production area 1, and then the surrounding human flow channel 9 is set on the edge of the production area 1, which ensures the convenience of the operators' walking and logistics transportation, and improves the production efficiency.

The present invention is not limited to the above-mentioned embodiments, and any changes in its shape or structure fall within the protection scope of the present invention. The protection scope of the present invention is defined by the appended claims. Those skilled in the art can make various changes or modifications to these embodiments without departing from the principle and essence of the present invention, but these changes and Modifications all fall within the protection scope of the present invention.

Claims (16)

1. The utility model provides a suspension type coating line suitable for aluminum alloy shell, its characterized in that, suspension type coating line includes:

a production area is planned on the ground of the factory building;

the warehouse comprises a raw material warehouse and a finished product warehouse, and is arranged on the side of the production area;

the suspension chain is arranged above the production area and is used for suspending and conveying the aluminum alloy shell;

a plurality of production facility, production facility arrange in the production area, a plurality of production facility are followed hang the extending direction setting of chain, hang the chain and divide into upper part section, before painting processing section, first processing section, priming paint stoving section, second processing section, finish paint stoving section, after painting processing section and lower part section according to the function that corresponds the production facility that sets up in proper order, the entry linkage of upper part section the export in raw materials storehouse, the exit linkage of lower part section the entry in finished product storehouse.

2. The suspended painting line of claim 1, characterized in that: the warehouse is located in the upper right corner of the production area, the lower piece section is arranged along the upper edge of the production area, the front section of the pre-coating treatment section is arranged along the right edge of the production area, and the rear section of the pre-coating treatment section is parallel to the lower piece section and is located inside relative to the lower piece section.

3. The suspended painting line as set forth in claim 2, characterized in that: the front section of the pretreatment section before coating comprises a degreasing section and a first washing section, wherein the degreasing section and the first washing section are parallel to the right edge of the production area, and the first washing section is located inside relative to the degreasing section.

4. The suspended painting line of claim 3, characterized in that: the suspension type coating production line further comprises a first walking platform, and the first walking platform is located between the degreasing section and the first washing section.

5. The suspended painting line as set forth in claim 2, characterized in that: the rear section of the coating pretreatment section comprises a light emitting section, a second washing section, a passivation section, a pure washing section, a water blowing section, a water dripping section, a moisture drying section and a first strong cooling section; the light emitting section, the second water washing section, the passivation section, the pure water washing section and the water blowing section form a first straight line section, the water dripping section, the moisture drying section and the first strong cooling section form a second straight line section, the first straight line section and the second straight line section are parallel to the lower piece section, and the second straight line section is located inside relative to the first straight line section.

6. The suspended painting line of claim 5, wherein: the suspension type coating production line further comprises a second pedestrian platform, and the second pedestrian platform is arranged between the first straight line section and the second straight line section.

7. The suspended painting line of claim 1, characterized in that: and the primer drying section and the finish drying section are adjacently arranged.

8. The suspended painting line of claim 1, characterized in that: the coating pretreatment section further comprises a moisture drying section, and the moisture drying section is arranged adjacent to the primer drying section and the finish drying section.

9. The suspended painting line of claim 1, characterized in that: the first and/or second treatment section is/are arranged along a lower edge of the production area.

10. A suspended coating line according to claim 1, characterised in that: the post-coating treatment section is arranged along the right edge of the production area.

11. A suspension painting line according to any one of claims 1 to 10, characterised in that: the primer drying section and the finish drying section are positioned in the middle of the production area.

12. The suspended painting line of claim 1, characterized in that: the suspension type coating production line further comprises a semi-finished product storage line and a line body transferring device, the line body transferring device is arranged between the semi-finished product storage line and the suspension chain, the semi-finished product storage line is used for suspending and storing the aluminum alloy shell, and the line body transferring device is used for transporting the aluminum alloy shell between the semi-finished product storage line and the suspension chain.

13. The suspended painting line of claim 12, wherein: the semi-finished product storage line extends to the upper part of the suspension chain, and the semi-finished product storage line and the suspension chain are partially overlapped in the vertical direction.

14. A suspended coating line according to claim 13, characterised in that: the suspension type coating production line further comprises an upper floor slab, the upper floor slab is transversely inserted between the semi-finished product storage line and the suspension chain, and the semi-finished product storage line and the suspension chain are separated by the upper floor slab along the vertical direction.

15. The suspended painting line of claim 12, wherein: the first treatment section comprises a pre-primer shielding section and an implementation section, the pre-primer shielding section is used for shielding part of the surface of the aluminum alloy shell, and the implementation section is used for painting the surface of the aluminum alloy shell; the line body transferring and hanging device is arranged between the front shielding section and the implementation section of the primer.

16. A suspended painting line according to any one of claims 1 to 10, 12 to 15, characterised in that: the suspension type coating production line further comprises a people flow channel, the people flow channel is used for operators to walk and transport logistics, and the people flow channel is arranged around the edge of the production area.

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