CN210449659U

CN210449659U - Coating production line

Info

Publication number: CN210449659U
Application number: CN201920923885.0U
Authority: CN
Inventors: 王国琦
Original assignee: Hangzhou Xinzhou Machinery Equipment Co Ltd
Current assignee: Hangzhou Xinzhou Machinery Equipment Co Ltd
Priority date: 2019-06-19
Filing date: 2019-06-19
Publication date: 2020-05-05
Anticipated expiration: 2029-06-19

Abstract

A coating line comprising: the automatic coating unit is used for spraying an automobile disc brake component to be processed; the high-temperature curing furnace is used for curing the coating of the automobile disc brake component after the spraying step is finished in a controllable distributed heating mode; the air cooling device is used for cooling the automobile disc brake part subjected to coating curing; and the mesh belt conveyor belt is used for conveying the automobile disc brake component to be processed and is arranged at the high-temperature curing furnace and the air cooling device. The automatic coating unit is integrally sealed, so that the paint powder is prevented from leaking, and the electrostatic injury to operators is avoided; the matched device for recycling the paint powder is arranged, so that redundant paint powder is recycled, materials are saved, the whole working process is accelerated by the assembly line heating of the high-temperature curing furnace, the automation efficiency is improved, and the error condition caused by manual operation is reduced; subsequent forced air cooling can accelerate the convenient follow conveyer belt of spare part cooling and take off, and the recovery heat can move and do other usefulness simultaneously, has totally practiced thrift the energy.

Description

Coating production line

Technical Field

The utility model relates to a spare part application solidification field, concretely relates to coating line.

Background

With continuous deepening and continuous development of Chinese reform and continuous development and great improvement of the living standard of people, the automobile part manufacturing industry is developed at an unprecedented high speed, manufacturers for producing matched parts for large automobile manufacturing enterprises gradually move from small and medium scales to enterprise and cluster, higher requirements are put forward for the management and production of the enterprises, and the production is converted towards automation and semi-automation. Among the numerous accessories, the disc brake assembly is used as an automobile accessory, and the manufacturing process has higher requirements.

The disc brake is generally processed by a plurality of processes such as sand blasting, pressing, cleaning, spraying (painting or plastic spraying), solidifying, cooling and the like! The quality of the process directly influences the quality of the brake shoe. In the middle and small production scale, various manufacturers mostly adopt non-online work, which causes the defects of unstable quality of the brake shoe, no yield, higher labor intensity of workers, relatively poorer working environment and the like.

The invention discloses a curing oven named as a curing oven in China published patent No. CN207472042U, published 2018, 6 and 8, and is characterized by comprising the following components in parts by weight: the curing oven comprises a curing oven body and a curing oven body, wherein the curing oven body comprises a closed shell, one end of the shell is provided with an inlet, the other end of the shell is provided with an outlet, a channel is formed in the shell, a heat treatment area and a cooling area are sequentially arranged in the shell along the material conveying direction, the heat treatment area is provided with a plurality of heating devices, the heating devices are connected with a temperature control device, the interior of the heat treatment area can be divided into a plurality of temperature areas, and the cooling area is provided with a cooling device; the pushing device is arranged at the inlet end of the shell and movably penetrates through the inlet to push the materials into the curing furnace; and the bracket is fixedly arranged below the curing oven body.

However, the box-type transmission structure is not sufficient, so that the transmission needs an additional process to arrange the components into the transmission box, the limitation of the box causes that the box needs to be heated and cooled together to completely reinforce the components in the box, and the instability caused by the higher temperature can be reached, so that the specific time of the transmission box in the device cannot be well controlled.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a curing oven to using among the current coating process adopts traditional plural heating device to set up the structure in curing oven, form the mode of local concentrated heating and produce, consequently cause local high temperature easily, the heating is inhomogeneous, the effect difference nature of answering admittedly is big, make solidification spare part because the temperature reason solidification failure become the substandard product, and because the restriction of local concentrated heating itself makes the spraying in-process can't carry out quick spraying processing to a large amount of parts, consequently, a coating line has been designed.

A coating line comprising:

the automatic coating unit is used for spraying an automobile disc brake component to be processed;

the high-temperature curing furnace is used for curing the coating of the automobile disc brake component after the spraying step is finished in a controllable distributed heating mode;

the air cooling device is used for cooling the automobile disc brake part subjected to coating curing;

and the mesh belt conveyor belt is used for conveying the automobile disc brake component to be processed and is arranged at the high-temperature curing furnace and the air cooling device.

The utility model discloses a car dish brake part after adopting controllable distributed heating mode to accomplish the spraying step carries out the coating solidification, wherein distributed indicates that the heat source is comparatively wide-spread on the production line rather than concentrating and the form of a little or a few points on the production line when solidifying, in the utility model, the regional length of carrying out the solidification on the production line is far wider than the region of carrying out the solidification in the prior art, in the process of spraying solidification at home and abroad, the length of general solidification work district is no more than 5 meters, even less than 3 meters, 2 meters, but the utility model discloses the distance of solidification process on the mesh belt conveyer belt is promoted to 12-14 meters, in the whole region more than 12 meters, the wide distribution has the heating heat source, long-time carries out the solidification operation to the car dish brake after spraying, simultaneously, all heat sources must be controllable heat sources, the controllable setting of heat source can carry out corresponding regulation according to the different temperature conditions in the whole solidification region at present, the degree of opening and closing and opening and closing is controllable, thereby control in the whole heating and curing region, the whole performance of the temperature of heating accords with the settlement, the user can be according to the condition of demarcation and production reality, production environment and target condition, carry out further setting to the input temperature, the temperature rise condition and the exit temperature of heating and curing region, and ensure that the temperature in the whole heating and curing region accords with user's settlement requirement, consequently just can prevent to concentrate after combining two characteristics of distributing type and controllable quick hot change of rapid cooling after the heating, local temperature too high too low phenomenon. The utility model discloses in distributed implementation mode can be hot-blast mode, the regional mode of heat transfer of the high convection current of high radiation, high temperature electric heating district mode and the combination of above-mentioned mode realize, can make the mode of its control hot-blast amount of wind, control the distance of the regional mode of heat transfer of the high convection current of high radiation, control the power supply of the high temperature electric heating district, promptly the utility model discloses in, do not injecing its concrete form. Because can ensure that the temperature in the whole heating curing region accords with user's settlement requirement, consequently have higher solidification quality to the part after accomplishing the heating curing, can directly carry out forced air cooling or other non-contact or the accelerated cooling of weak contact nature on this basis, consequently the air-cooled device can directly be settled behind the high temperature curing stove, cools down to the car dish that accomplishes the coating solidification part of stopping.

Preferably, the automatic coating unit includes:

the closed chamber is used for closing powder overflowing in the spraying of the automobile disc brake component to be processed;

the conductive conveyor belt is arranged at the bottom of the inner side of the closed chamber and drives the automobile disc brake part to be processed to move towards the high-temperature curing oven;

the spray gun moving track is fixed at the upper part of the closed chamber;

the spray gun suspension device is connected with the spray gun moving track in a sliding way;

the powder spraying box is filled with spraying raw materials;

the suspension moving motor is arranged at the upper part of the sliding connection part of the spray gun suspension device and the spray gun moving track, and the machine body is fixedly connected with the spray gun suspension device and drives the rotating shaft to work in cooperation with the spray gun moving track;

the automatic electrostatic spray gun is arranged on the lower side of the spray gun suspension device and is communicated with the powder spraying box;

and the driving roller receives the automobile disc brake component transmitted from the closed chamber material outlet and transmits the automobile disc brake component to the mesh belt conveyor belt.

Preferably, the inlet and the outlet of the closed chamber are both provided with dustproof hanging curtains in a hanging manner, and the inlet of the closed chamber is also provided with a pulse dust collector which is aligned with the automobile disc brake part.

The automatic coating unit benefits from a high-temperature curing oven with a controllable distributed heating mode and can execute a large number of spraying operations, so that three automatic electrostatic spray guns with different angles can be configured on a single track, repeated spraying is carried out on the track in a mode of transversely moving relative to a mesh belt conveyor belt, the shape of an automobile disc brake is a sheet shape and a disc shape due to the configuration of different angles, the length of a gun head and the shape of a gun nozzle during spraying, and the shape of the automobile disc brake is a concave shape, so that the effect of one-time full-spraying can be achieved by controlling the spraying opening and closing time of different automatic electrostatic spray guns, the spraying efficiency is greatly improved compared with the working efficiency of a single spray gun of foreign similar products, the foreign similar products need to judge the position of one product, repeatedly and accurately spray and adjust the angle in real time, and in the utility model, the corresponding spraying effect can be achieved only by spraying specific points by using two non-vertical spray guns of the three spray guns, and the requirement on the position in the spraying process is low, so that the three spray guns can move in a reciprocating manner by adopting the moving track of the spray guns, and the effect of large-scale quick spraying is achieved. The setting of spraying the powder box can have multiple forms, and external, built-in, it is all optional scheme to have other equipment to provide, can select for use the form that recovery unit cooperation sprayed the powder box to accomplish work if necessary.

Preferably, the air cooling device includes:

the bottom of the case is penetrated by a mesh belt conveyor belt;

the exhaust fan is arranged at the top of the case and is aligned with and used for exhausting air in the case;

the blower is arranged below the mesh belt conveyor belt at the bottom of the case and blows air upwards;

and the conveying air duct is used for removing hot air from the current environment, is arranged at the top of the box body, is communicated with the exhaust fan and is fixedly connected with the case.

The utility model discloses in adopt the air-cooling device can with the utility model provides a high temperature curing oven's structural style is unanimous, for example, the utility model discloses in adopt fixed position to set up the mode of high temperature electric heating district, then can set up fixed position's water-cooling heat transfer mode, adopt the mode of circulating water heat transfer to cool down. But the form of forced air cooling is the most reasonable, and the suitability is also the most extensive, the utility model discloses in, utilize the form of forced air cooling to take away the waste heat, and the waste heat is retrieved and is carried out high temperature solidification again, cyclic utilization, and is simple and quick to the utilization of heat energy, improvement efficiency that can be better.

Preferably, the air cooling device further comprises:

and the air volume valve is arranged on the conveying air duct.

The device can be changed into a device for recycling waste heat when possible:

the heat exchange tube is arranged in the conveying air duct and conveys heat to the return air duct through the heat exchange pump;

the air volume valve is arranged on the air conveying pipeline side behind the heat exchange pipe;

and the return air duct is communicated with a blower arranged at the bottom of the case through an air volume valve.

The controllable realizable mode to the recovery of waste heat is more, the utility model discloses in only publish one of them mode, not represent it can not be realized by other modes, for example the selection of air volume valve does not restrict its concrete form promptly and can be the arbitrary valve that can reach the switching requirement.

Preferably, the high temperature curing oven comprises

The heating chamber is arranged on the mesh belt conveyor belt, the automobile disc brake component to be processed is arranged in a closed space, a main air duct for receiving heat supplied by the heating chamber is arranged, a plurality of air ports are formed in the main air duct, and the automobile disc brake component to be processed realizes coating curing by receiving hot air blown out by the air ports;

the heating chamber generates heat, transmits the heat energy to the heating chamber through the main air duct in an air flowing mode, and recovers the heat in the heating chamber for cyclic utilization.

In the utility model, the high-temperature curing furnace adopts the method of distributed uniform control, the heating chamber and the heating chamber are separately arranged, the heating chamber only generates heat, the heating chamber is only responsible for heating and curing the automobile disc brake, in the processing process, the heating chamber can form a larger uniform heating workpiece on the production line, the heating chamber generates heat energy in a centralized manner, the heat energy is transmitted into the heating chamber by the air pipe, the air port control and the opening and closing in the heating chamber are controllable, the distribution is uniform and reasonable, therefore, the surface temperature of the automobile disc brake can be controlled in the heating process, the degree of temperature rise, the heating time and the heating uniformity can be improved, in order to improve the heating uniformity as much as possible, the transverse and longitudinal air ports can be established and arranged, and the effect of uniformly heating the surface can be achieved by the air blowing of different air ports, and all the detail positions of the surface of the disc brake can obtain similar temperatures, so that the curing effect of the paint particles is improved. Simultaneously, because the utilization efficiency of wind-heat is not high, so, the utility model discloses in adopted energy cyclic utilization's way, will have the hot-blast of waste heat to retrieve as far as, the energy resource consumption of reheating has had huge decline than simple cold wind heating energy resource consumption after retrieving, has practiced thrift the energy from this.

Preferably, two ends of the heating chamber are sealed through hanging curtains, the heating chamber is integrally arranged on a mesh belt conveyor belt, at least two main air ducts are arranged in the heating chamber, a plurality of controllable transverse air outlets and controllable longitudinal air outlets are arranged in the main air ducts, the controllable transverse air outlets and the controllable longitudinal air outlets are all aligned with the mesh belt conveyor belt, at least one inspection door for observation and inspection is arranged on the side surface of the heating chamber, a heating chamber is fixed at the top of the heating chamber, the heating chamber is located in the middle of the heating chamber, heating chamber air supply openings for supplying air to the heating chamber are arranged on the side of the heating chamber facing the air cooling device, each heating chamber air supply opening is communicated with at least one main air duct, and heating chamber air outlets for supplying air to the heating chamber are arranged on the side of the heating chamber facing the automatic coating unit.

The utility model provides a heated air circulation return circuit does in proper order: the heating chamber, the air supply outlet of the heating chamber, the main air duct, the controllable transverse air outlet, the controllable longitudinal air outlet, the air outlet of the heating chamber and the heating chamber form a loop, the heating mode of the heating chamber has various forms such as fuel oil, fuel gas and electric heating equipment, and the fuel oil, the fuel gas and the electric heating equipment need to be controlled when in use, if necessary, the opening and closing degree and the opening and closing state of the controllable transverse air outlet and the controllable longitudinal air outlet can be simultaneously controlled, the main feedback parameters for controlling the automatic disc brake are from a temperature sensor, the set transmission speed of the mesh belt conveyor belt, and the number of the allocated automobile disc brakes in the transmission process, for example, if the number of the automobile disc brakes is large, the conveying speed of the mesh belt conveyor belt needs to be set to be slower, and the controllable transverse air outlet and the controllable longitudinal air outlet can be opened more or more simultaneously. If the temperature is determined to be too fast in use, the controllable transverse air outlet and the controllable longitudinal air outlet close to the automatic coating unit side can be set to be opened with smaller opening degrees or smaller quantity, and therefore the effect of stabilizing the temperature rise is achieved.

Preferably, the heating chamber comprises

The lower end of the air inlet section is communicated with the heating chamber through an air outlet of the heating chamber, a heating chamber fan is arranged on the air inlet section, receives the waste heat of the heating chamber, and supplies air to the heating section through the air inlet section;

a heating section which is provided with a built-in gas, fuel oil or electric heating device for heating air and supplies air to the blast section by a heating chamber fan,

the air blowing section is internally provided with a spiral air channel, and the spiral air channel receives hot air in the heating section, changes the diameter of the hot air and then supplies air to the main air channel through an air supply opening of the heating chamber.

The utility model discloses a setting of different segmentation, especially different segmentation radial difference rationally promote the utilization efficiency of heating chamber fan, through the setting of the wind section of difference, played with the complete output of hot-blast in the heating chamber to reach the effect of reasonable even heating.

The beneficial effects of the utility model reside in that: the automatic coating unit is integrally sealed, so that the paint powder is prevented from leaking, and the electrostatic injury to operators is avoided; the matched device for recycling the paint powder is arranged, so that redundant paint powder is recycled, materials are saved, the whole working process is accelerated by the assembly line heating of the high-temperature curing furnace, the automation efficiency is improved, and the error condition caused by manual operation is reduced; subsequent air cooling can accelerate the convenient follow conveyer belt of spare part cooling and take off, and the recovery heat can recycle simultaneously, has generally practiced thrift the energy.

Drawings

FIG. 1 is a schematic side view of the present invention;

FIG. 2 is a top schematic view of the present invention;

in the figure: 1. The device comprises a conductive conveyor belt, 2, an automatic electrostatic spray gun, 3, an automatic spraying mechanism, 4, a closed chamber, 5, a transmission roller bracket, 6, a transmission roller, 7, a transmission roller motor, 8, a mesh belt conveyor belt, 9, a mesh belt driving motor, 10, an automobile disc brake inlet, 11, a main air pipe, 12, an air outlet, 13, a furnace shell, 14, a machine shell, 15, an air heating device, 16, a heating chamber fan, 17, an air cooling device, 18, an exhaust fan, 19, a conveying air duct, 20, an air volume valve, 22, a blower, 23, an automatic powder brushing mechanism, 24, a pulse ash blowing mechanism, 31, a recovery fan, 32, a filtering recovery barrel, 33 and a movable recovery cabinet.

Detailed Description

The technical solution of the present invention is further specifically described below by way of specific embodiments and with reference to the accompanying drawings.

Example 1

A painting line, as shown in fig. 1 and 2, comprises:

the air cooling device 17 is used for cooling the automobile disc brake part subjected to coating curing;

More specifically, the method comprises the following steps:

the closed chamber 4 is roughly cuboid, the top of the side edge is provided with a rectangular protrusion for placing paint powder to overflow to cause environmental pollution, one side is provided with a material placing opening, and the side opposite to the material placing opening is provided with a material outlet; the material in this embodiment is the automobile disc brake, and under certain circumstances, the spraying of other parts of any form can also be used, and other flattening parts similar to the automobile disc brake are more recommended.

The conductive conveyor belt 1 is rectangular when observed from the upper part and is arranged at the bottom of the inner side of the closed chamber 4;

the conductive conveyor belt 1 is made of a leather conveyor belt, and metal wires are combined on the surface of the leather conveyor belt;

at least two spray gun moving tracks 24 are arranged inside the upper side of the closed chamber 4 and are fixedly connected with the closed chamber 4;

the automatic spraying mechanism 3 is rectangular in top, arranged on the spray gun moving track and connected with the spray gun moving track in a sliding manner;

the powder spraying box is filled with spraying raw materials;

the driving roller receives the automobile disc brake component transmitted from the closed chamber material outlet and transmits the automobile disc brake component to the mesh belt conveyor belt;

the entrance and the exit of the closed chamber are both provided with dustproof hanging curtains, and the entrance of the closed chamber is also provided with a pulse dust collector aiming at the automobile disc brake part. The pulse dust collector is arranged at the position that the opening is upward and the lower section of the conductive conveyor belt is aligned to the inlet of the closed chamber in an inverted mode.

The driving roller set 6 is arranged above the driving roller bracket 5 at the rear side of the material outlet of the closed chamber 4 and is hinged with the driving roller bracket 5, and the driving roller motor 7 is configured on the driving roller bracket to drive the driving roller set to operate;

the coating control circuit is used for controlling the conductive conveyor belt 1, the automatic powder brushing mechanism 23 and the automatic electrostatic spray gun 2 and is electrically connected with the conductive conveyor belt 1, the automatic powder brushing mechanism 23 and the automatic electrostatic spray gun 2;

the high-temperature curing oven is used for curing paint particles, the top of the high-temperature curing oven is in a strip shape, and the high-temperature curing oven is arranged in the direction of the material outlet of the automatic coating unit;

the air cooling device is used for cooling the solidified parts for convenient operation and is arranged on the non-automatic coating unit side of the high-temperature curing furnace;

the mesh belt conveyor belt 8 is arranged at the inner bottom of the high-temperature curing furnace and the air cooling device, one end of the mesh belt conveyor belt is adjacent to the outlet of the automatic coating unit material, and the mesh belt conveyor belt is in a grid form;

and the mesh belt driving motor 9 is arranged at the front part of the mesh belt conveying belt 8 and the edge of the transmission roller group 6, is arranged inside the mesh belt conveying belt 8, is used for driving the mesh belt conveying belt 8 and is in transmission connection with the mesh belt conveying belt 8.

Spraying paint powder onto parts through automatic electrostatic spraying, conveying the sprayed parts into a high-temperature curing furnace through a mesh belt conveyor 8, wherein the high-temperature curing furnace is in a strip shape, the time for the mesh belt conveyor 8 to convey the sprayed parts to pass through the inside of the high-temperature curing furnace is matched with the curing time of the parts, when the mesh belt conveyor 8 is conveyed out of the high-temperature curing furnace, the parts are cured, conveying the cured parts by the mesh belt conveyor 8 into an air cooling device for air cooling, and finally taking the parts off from the mesh belt conveyor 8 by an operator or a mechanical arm; the rest links of the process except for the beginning and the end of the process, which need to be operated by an operator, are automatic operation, so that the problem of incomplete spraying caused by manual spraying is avoided, and the injury of the operator caused by manual spraying is avoided; the powder falling problem possibly caused by transporting parts to the curing oven is avoided, and the problem that the high-temperature curing oven can burn operators is avoided; the air cooling device can accelerate the cooling of the parts after the parts are discharged from the high-temperature curing furnace, and the space and time required by natural cooling are reduced. The spray gun moving track 24 can enable the automatic spraying mechanism 3 to stably translate, and enable the automatic electrostatic spray gun 2 to stably spray parts; the set of drive rollers 6 can then act as a relay and remove excess paint powder when moving on the roller bars. Because the paint powder is attached to the surfaces of the parts in an electrostatic adsorption mode, the properties of the paint powder are not changed, so that the paint powder can be recycled, more paint powder can be directly collected in a closed type, and the parts which are painted can be collected again through the collecting box 7; the collection of the paint powder can reduce the pollution of the dissipated paint powder to the environment and reduce unnecessary loss of the paint powder.

The high-temperature curing furnace comprises

The furnace shell 13 is provided with a heat-insulating shell, the top of the furnace shell is provided with an air inlet and an air outlet, the side edge of the furnace shell is provided with an automobile disc brake inlet, and the side symmetrical to the automobile disc brake inlet 10 is provided with an automobile disc brake outlet;

the at least two main air pipes 11 are arranged at the inner upper part of the furnace shell 13 and are axially symmetrical, the air inlet of the main air pipe 11 is communicated with the air inlet of the furnace shell 13, and the main air pipe 11 is fixedly connected with the furnace shell 13;

the bottom of the main air pipe 11 is provided with an air outlet 12 with a longitudinal opening and a transverse opening, which is used for filling hot air in the furnace shell 13 to avoid local problems caused by dead angles;

the electric heating equipment, namely the thermal cycler, is arranged at the top of the furnace shell 13, an air inlet of the thermal cycler is communicated with an air outlet of the furnace shell 13, an air outlet of the thermal cycler is communicated with an air inlet of the furnace shell 13, and the thermal cycler is fixedly connected with the furnace shell 13.

The high-temperature curing furnace heats the inside of the whole furnace shell 13 in a hot air circulation mode, the temperature in the whole furnace is uniform and stable in a mode that air with lower relative temperature in the furnace is reheated through a thermal circulator and enters the furnace, and compared with a traditional single-furnace heating mode, the high-temperature curing furnace is more uniform in heating and suitable for assembly line operation.

The thermal cycler, comprising:

a casing 14 arranged on the top of the furnace shell 13 and provided with a heat-insulating shell the same as the furnace shell 13, wherein the front end of the casing is provided with an air inlet and the rear end of the casing is provided with an air outlet;

a heating chamber fan 16 for controlling the air flow in the furnace shell 13, wherein the fan blades are arranged above the air outlet at the rear end of the casing 14, the motor is arranged at the outer side of the rear end of the casing 14, and the rotating shaft is hinged with the casing 14;

the air heating device 15 is arranged in the middle of the machine shell 14 and in front of the heating chamber fan 16 and is used for heating air in the machine shell 14;

the air heating device 15 is an electric heating device. The heat insulation machine is provided with at least two group type mounting plates which are arranged at the top of the heating section of the heat insulation machine body and are detachably connected with the machine shell; the group type electric heating tubes are matched with the group type mounting plates in quantity and arranged at the bottom of the group type mounting plates, and the heat tubes enter the heating section of the heat preservation machine body, are fixedly connected with the group type mounting plates and are electrically connected with the constant temperature control circuit.

The air cooling device 17 includes:

the machine box is in a cuboid shape, the top of the machine box is provided with an inverted buckled funnel-shaped gathering structure, and the bottom of the machine box is penetrated by a mesh belt conveyor belt 8;

the exhaust fan 18 is used for extracting air in the case, is arranged at an outlet of the reversed funnel-shaped gathering structure at the top of the case and is fixedly connected with the case;

12 blowers 22 are arranged below the mesh belt conveyor 8 at the bottom of the chassis and fixedly connected with the chassis, and the blowers 22 are arranged at equal intervals;

and the conveying air duct 19 is used for removing hot air from the current environment, is arranged at the top of the box body, is communicated with the exhaust fan 18 and is fixedly connected with the case.

And an air volume valve 20 for adjusting the removal volume of the hot air.

If the heat brought out from the high-temperature curing furnace is directly cooled by the air cooling device, the heat can be dissipated along with the air, and the cooled air needs to be cooled and filtered or directly filtered to be discharged out of a processing place, so that the waste heat of the air cooling device is removed in a heat exchange mode, the waste heat is collected, and the waste heat is applied to other occasions needing heating while the waste gas amount of the air cooling device is reduced.

In the embodiment, the high-temperature curing furnace adopts a distributed uniform control method, the heating chamber and the heating chamber are separately arranged, the heating chamber only generates heat, the heating chamber is only responsible for heating and curing the automobile disc brake, in the processing process, the heating chamber can form a large uniform heating workpiece on a production line, the heating chamber generates heat energy in a centralized manner, the heat energy is transmitted into the heating chamber in a wind pipe manner, the air ports in the heating chamber are controllable in opening and closing and are uniformly and reasonably distributed, so that the surface temperature of the automobile disc brake can be controlled in the heating process, the temperature rise degree, the heating time and the heating uniformity can be improved, in order to improve the heating uniformity as much as possible, transverse and longitudinal air ports can be arranged, and the effect of uniformly heating the surface can be achieved through the air blows of different air ports, and all the detail positions of the surface of the disc brake can obtain similar temperatures, so that the curing effect of the paint particles is improved. Meanwhile, because the utilization efficiency of wind heat is not high, the method of energy recycling is adopted in the embodiment, the hot wind with the waste heat is recycled as much as possible, and the energy consumption of reheating after recycling is greatly reduced compared with the energy consumption of pure cold wind heating, so that the energy is saved.

The hot air circulation loop in this embodiment is sequentially: the heating chamber, the air supply outlet of the heating chamber, the main air duct, the controllable transverse air outlet, the controllable longitudinal air outlet, the air outlet of the heating chamber and the heating chamber form a loop, the heating mode of the heating chamber has various forms such as fuel oil, fuel gas and electric heating equipment, etc. in the using process, the fuel oil, fuel gas and electric heating equipment need to be controlled, if necessary, the opening and closing degree and the opening and closing state of the controllable transverse air outlet and the controllable longitudinal air outlet can be simultaneously controlled, the main feedback parameters of the control are from a temperature sensor, the set transmission speed of a mesh belt conveyor belt and the number of automobile disc brakes configured in the transmission process,

the previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A coating line, characterized by comprising:

2. A painting line according to claim 1, characterised in that said automatic painting unit comprises:

the spray gun moving track is fixed at the upper part of the closed chamber;

the powder spraying box is filled with spraying raw materials;

3. A painting line according to claim 2, characterised in that said air cooling means comprise:

the bottom of the case is penetrated by a mesh belt conveyor belt;

4. A coating line according to claim 3, wherein said air cooling means further comprises:

and the air volume valve is arranged on the conveying air duct.

5. A paint line according to claim 1 or 2 or 3 or 4 characterised in that the high temperature curing oven includes

6. A coating line according to claim 5, wherein both ends of the heating chamber are closed by hanging curtains, the heating chamber is integrally provided on the mesh belt conveyor, at least two main air ducts are arranged in the warming chamber, a plurality of controllable transverse air outlets and controllable longitudinal air outlets are arranged in the main air ducts, the controllable transverse air outlet and the controllable longitudinal air outlet are both aligned with the mesh belt conveyor belt, the side surface of the heating chamber is provided with at least one access door for observation and maintenance, a heating chamber is fixed at the top of the warming chamber, the heating chamber is positioned in the middle of the warming chamber, the side of the heating chamber facing the air cooling device is provided with a heating chamber air supply outlet for supplying air to the heating chamber, each heating chamber air supply outlet is communicated with at least one main air duct, and the side of the heating chamber, which faces the automatic coating unit, is provided with a heating chamber air outlet for supplying air to the heating chamber.

7. A coating line according to claim 6, characterised in that the heating chamber comprises

8. The coating production line according to claim 2, wherein dust-proof curtains are hung at the inlet and the outlet of the closed chamber, and a pulse dust collector aligned with a disc brake component of the automobile is arranged at the inlet of the closed chamber.