CN111318424A

CN111318424A - Coating machine

Info

Publication number: CN111318424A
Application number: CN202010263711.3A
Authority: CN
Inventors: 孙金锁; 黄国军; 吴锐宇; 许江铭; 任向阳
Original assignee: World Precision Manufacturing Dongguan Co Ltd
Current assignee: World Precision Manufacturing Dongguan Co Ltd
Priority date: 2020-04-03
Filing date: 2020-04-03
Publication date: 2020-06-23

Abstract

The invention discloses a coating machine, which comprises a feeding device, a cleaning device, a coating device and a discharging device, wherein the feeding device takes and sends a product to the cleaning device, and is matched with a cleaning device to clean and remove dust of the product, and the cleaned product is overturned for 180 degrees and then is placed on a coating table of a coating device, the coating device comprises a coating box detachably connected to the bottom of the coating table and a coating head suspended in the coating box, the coating head is provided with an accommodating groove with an upward notch, the notch of the holding tank is lower than the liquid level of the coating liquid in the coating box, the coating head can move linearly along the Z-axis direction relative to the coating box so as to be close to or far away from the coating platform, the coating part of the product can be soaked in the coating liquid carried by the containing tank, the coating box of the coating device can do linear motion close to or far away from the coating platform along the Y-axis direction, and the blanking device is used for cooling, storing, transferring and blanking the coated product. The machine can realize automatic operation, and has simple structure and high efficiency.

Description

Coating machine

Technical Field

The invention relates to a diverter processing device, in particular to a coating machine for coating components of a diverter.

Background

The automobile steering device is an important component of an automobile, the processing requirement on the steering device is continuously improved along with the development of science and technology, wherein, in order to meet the requirements of the development towards miniaturization, high capacity, high reliability and low cost, in the production and manufacturing process of the automobile steering device, the coating process is often carried out on pins or plug-in ends of electronic components such as inductors, connectors and the like in the components, through coating operation, lubrication is increased, friction is reduced, the working effect of the electronic components is better, and the service life is longer. Wherein, the slurry to be coated is required to be uniformly coated on the surface of the pin or the plug end according to the preset thickness and length so as to ensure that the pin or the plug end can work normally and well. Because electronic components are mounted on the front surface and the back surface of the shell seat of the automobile steering gear component, the mounting heights of the electronic components are different, the shape of the whole component is irregular, and the existing coating machine is difficult to meet the coating operation of the electronic components of the automobile steering gear component with different heights and irregular shapes.

Therefore, a coater that can perform automation, has a simple structure, and is highly efficient is needed to overcome the above problems.

Disclosure of Invention

The invention aims to provide a coating machine which can realize automatic line production and has simple and efficient structure.

In order to achieve the above purpose, the invention discloses a coating machine, which comprises a feeding device, a cleaning device, a coating device and a discharging device, wherein the feeding device is arranged beside the cleaning device and the coating device and is used for taking and delivering a product to the cleaning device and cleaning and dedusting the product by matching with the cleaning device, the feeding device is also used for overturning the cleaned product for 180 degrees and then placing the product on a coating table of the coating device, the coating device comprises a coating box detachably connected to the bottom of the coating table and a coating head suspended in the coating box, the coating head is provided with an accommodating groove with an upward notch, the notch of the accommodating groove is lower than the liquid level of a coating liquid in the coating box, and the coating head can linearly move along the Z-axis direction relative to the coating box to be close to or far away from the coating table, the coating part of the product can be soaked in the coating liquid carried by the accommodating tank, the coating box of the coating device can do linear motion close to or far away from the coating platform along the Y-axis direction, and the blanking device is used for cooling, storing, transferring and blanking the coated product.

Compared with the prior art, the feeding device of the coating machine can realize automatic picking and placing of products, can also realize transfer and turnover operation of the products, realizes multiple actions by a single device, has simple and efficient structure and optimizes the structure. The product is cleaned before the cleaning device, and then is coated in the coating device, so that the coating effect of the product is better, and the coating part is positioned at the overturning position convenient for coating during coating, the whole product is not contacted with the coating liquid but moves relative to the product by the coating head, so that the coating part can be soaked in the coating liquid carried by the containing groove of the coating head, and the positioning coating is realized, and the coating effect is good; and the coating head can move up and down to stir the coating liquid, so that the coating liquid in the coating box can be promoted to flow, and the using effect of the coating liquid is effectively improved. In addition, the coating box is detachably connected with the coating table, when the coating box moves linearly away from the coating table, the cleaning operation of the coating box can be conveniently completed, and the coating head is convenient to clean, disassemble and replace, so that the adaptive operation of coating parts of different types and different parts is realized, and the adaptability of the whole machine is effectively improved. The blanking device can automatically transfer the products after coating treatment, and can also transfer the blanking after cooling and storing the products, thereby effectively ensuring the coating effect. The whole machine of the coating machine is simple and compact in structure, effectively ensures the coating effect, is high in automation degree, effectively simplifies the structure and correspondingly reduces the manufacturing cost.

Preferably, the feeding device comprises a feeding clamping jaw, the feeding clamping jaw can move linearly relative to the coating platform along the Z-axis direction to grab the product, the feeding clamping jaw can also move linearly relative to the coating platform along the Y-axis direction to transfer the grabbed product between the cleaning device and the coating platform, and during transfer, the feeding clamping jaw can also rotate 180 degrees relative to the coating platform, so that the coating part is in the direction convenient for coating treatment.

Preferably, the feeding device further comprises a Y-axis linear module, a mounting frame, a first rotary driver, a first swing arm, a second swing arm, a connecting plate, a second rotary driver and a clamping driver, the mounting rack is connected with a slide block of the Y-axis linear module, the first rotary driver is fixed at the top end of the mounting rack, one end of the first swing arm is rotatably connected with the output end of the first rotary driver, the other end of the first swing arm is pivoted with one end of the second swing arm, the other end of the second swing arm is rotatably connected with a connecting plate, the side end of the connecting plate is slidably connected with the opposite lower end of the mounting rack along the Z-axis direction, the second rotary driver is installed on the connecting plate, the clamping driver is connected to the output end of the second rotary driver, and the feeding clamping jaw is connected to the output end of the clamping driver.

Preferably, an elastic member is connected between the mounting frame and the lower end of the second swing arm.

Preferably, the cleaning device comprises an upper ion blower and a lower ion blower which are arranged in parallel and at intervals along the Z-axis direction, and the feeding device can transfer the obtained product to a position between the upper ion blower and the lower ion blower, pause for a period of time, and then transfer the product to the coating table.

Preferably, the coating table and the coating box are in sealed connection through a sealing piece.

Preferably, the coating device further comprises a first linear actuator and a second linear actuator, the first linear actuator is connected with the coating head and used for driving the coating head to move linearly along the Z-axis direction, and the second linear actuator is connected with the coating box and used for driving the coating box to move linearly along the Y-axis direction.

Preferably, the coating machine further comprises a third linear actuator, the third linear actuator is arranged below the coating table and located outside the coating box, and the third linear actuator is fixedly connected with or detachably abutted against the coating table and used for driving the coating table to move linearly along the Z-axis direction.

Preferably, the blanking device comprises a cooling storage mechanism, and a first manipulator, a second manipulator and a third manipulator which are arranged in a triangular shape relative to the cooling storage mechanism, the second manipulator is used for taking and delivering a bin to a loading table which is positioned at the rear side relative to the coating table, the first manipulator is arranged beside the coating table and is used for transferring the product which is coated and is completed into the bin, the third manipulator is used for transferring the bin which is filled with the product into the cooling storage mechanism, and the cooling storage mechanism is used for cooling, storing, transferring and blanking the product which is arranged in the bin.

Preferably, the cooling and storing mechanism comprises at least two conveyor belts arranged in parallel, and the conveyor belts can convey a plurality of workbins which are arranged in a stacked mode at the input ends of the conveyor belts to the output ends of the conveyor belts along the Y-axis direction.

Drawings

FIG. 1 is a schematic plan view of a coater according to the present invention.

FIG. 2 is a schematic view of a partial structure of a coater according to the present invention.

Fig. 3 is a schematic perspective view of the feeding device of the present invention.

Fig. 4 is a schematic perspective view of the coating apparatus of the present invention.

FIG. 5 is a view showing a state where a coating tank of the coating apparatus of the present invention is away from a coating table.

FIG. 6 is a schematic perspective view of a fluid infusion mechanism of the coating apparatus of the present invention.

Fig. 7 is a schematic perspective view of a first robot according to the present invention.

Fig. 8 is a schematic perspective view of a third robot according to the present invention.

Detailed Description

The following detailed description is given with reference to the accompanying drawings for illustrating the contents, structural features, and objects and effects of the present invention.

Referring to fig. 1, the present invention discloses a coating machine 100 for coating a coating portion 201 of a product 200, in the present application, the product 200 includes but is not limited to a component of an automobile steering gear, the component of the steering gear has a substantially circular housing, the back of the housing is provided with 3 connectors and 1 end cap with different heights, the front of the housing is provided with 4 stacked connection terminals, an inductor welded to two ends of the connection terminal 1, and 3 capacitors welded to two ends of the other 3 connection terminals in a one-to-one correspondence manner, and the coating machine 100 of the present invention is mainly used for coating pins of the connection terminals. Specifically, the coating machine 100 of the present invention includes a feeding device 10, a cleaning device 20, a coating device 30, and a discharging device 40, the feeding device 10 is disposed beside the cleaning device 20 and the coating device 30, and is used for taking and delivering the product 200 to the cleaning device 20, and cleaning and dedusting the product 200 by cooperating with the cleaning device 20, the feeding device 10 is further used for turning the cleaned product 200 180 ° and placing the product on a coating table 31 of the coating device 30, the coating device 30 includes a coating box 32 detachably connected to the bottom of the coating table 31 and a coating head 33 suspended in the coating box 32, the coating head 33 has a holding tank (not shown in the figure) with an upward notch, and the notch of the holding tank is lower than the liquid level of the coating liquid in the coating box 32, the coating head 33 can move linearly in the Z-axis direction relative to the coating box 32 to approach or separate from the coating table 31, so that the coating portion 201 of the product 200 can be soaked in the coating liquid carried by the holding tank, the coating box 32 of the coating device 30 can move linearly along the Y-axis direction to approach or depart from the coating platform 31, and the blanking device 40 is used for cooling, storing, transferring and blanking the coated products 200. The coating machine 100 of the present invention further includes a controller electrically connected to the feeding device 10, the cleaning device 20, the coating device 30, and the discharging device 40, for controlling the coordination of the devices. The controller is of conventional design, and its structure and control principle are well known in the art, so that it will not be described in detail here.

Referring to fig. 2 and 3, the feeding device 10 includes a feeding gripper 11, the feeding gripper 11 can move linearly in the Z-axis direction relative to the coating stage 31 to grip the product 200, the feeding gripper 11 can also move linearly in the Y-axis direction relative to the coating stage 31 to transfer the gripped product 200 between the cleaning device 20 and the coating stage 31, and during the transfer, the feeding gripper 11 can also rotate 180 ° relative to the coating stage 31 so that the coating portion 201 is in a direction convenient for the coating process.

Specifically, the feeding device 10 further comprises a Y-axis linear module 12, a mounting frame 13, a first rotary driver 14, a first swing arm 15, second swing arm 16, connecting plate 17, second rotary actuator 18 and press from both sides tight driver 19, mounting bracket 13 is connected with the slider of Y axle straight line module 12, first rotary actuator 14 is fixed in the top of mounting bracket 13, the one end of first swing arm 15 is rotationally connected with the output of first rotary actuator 14, the other end of first swing arm 15 and the one end pin joint of second swing arm 16, the other end of second swing arm 16 and connecting plate 17 are rotationally connected, the side of connecting plate 17 is connected in the relative lower extreme of mounting bracket 13 along Z axle direction slidable, second rotary actuator 18 is installed on connecting plate 17, press from both sides tight driver 19 and connect in the output of second rotary actuator 18, material loading clamping jaw 11 connects in the output that presss from both sides tight driver 19.

More specifically, the mounting bracket 13 is substantially L-shaped, and has a short side 131 along the Y-axis and a long side 132 along the Z-axis and slidably connected to the Y-axis linear module 12. The first rotary driver 14 is disposed on the short side 131 of the mounting frame 13, the connecting plate 17 is slidably connected to the long side 132 of the mounting frame 13, and both the first rotary driver 14 and the second rotary driver 18 are servo motors. Preferably, an elastic member 133 is connected between the mounting frame 13 and the opposite lower end of the second swing arm 16, and the elastic member 133 is a spring.

The specific working principle of the feeding device 10 is as follows: when the first rotary driver 14 rotates, the first swing arm 15 can be driven to rotate, so as to drive the second swing arm 16 to rotate, so that the first swing arm 15 and the second swing arm 16 are relatively opened or folded, the connecting plate 17 can be driven to slide on the long edge 132 of the mounting frame 13, so as to drive the feeding clamping jaw 11 to move up and down along the Z-axis direction so as to be close to or far away from the product 200, and the clamping driver 19 drives the feeding clamping jaw 11 to clamp or loosen the product 200. When the first swing arm 15 and the second swing arm 16 are relatively opened and approximately form a straight line in the Z-axis direction, the feeding clamping claw 11 moves downwards to take a material, and at this time, the elastic member 133 is stretched; when the first swing arm 15 and the second swing arm 16 are folded relatively, the elastic member 133 is reset, and also drives the second swing arm 16 to reset to have an acute included angle between the Y-axis direction and the first swing arm 14, the feeding claw 11 takes the product up, so that the product can be clamped to a higher position from a lower conveying device, so that the subsequent Y-axis linear module 12 drives the feeding claw 11 to move horizontally to the cleaning device 20 and the coating device 30. And after cleaning and dust removal are performed at the cleaning device 20, the second rotary driver 18 may drive the clamping driver 19 to drive the feeding clamping claw 11 to turn 180 °, so that the coating portion 201 of the product 200 faces downward, so as to be disposed on the coating table 31 for coating operation.

Referring to fig. 2, the cleaning device 20 includes an upper ion blower 21 and a lower ion blower 22 arranged in parallel and at an interval along the Z-axis direction, and the feeding device 10 may transfer the obtained product 200 to between the upper ion blower 21 and the lower ion blower 22, stop for a period of time, perform cleaning and dust removal, and then transfer the product to the coating table 31 in parallel.

Referring to fig. 4 and 5, the coating station 31 and the coating tank 32 are hermetically connected by a sealing member to prevent the coating liquid in the coating tank 32 from volatilizing. The coating device 30 further comprises a first linear driver 34, wherein the first linear driver 34 is connected with the coating head 33 and used for driving the coating head 33 to move linearly along the Z-axis direction, so that the coating head 33 can move upwards to be higher than the liquid level of the coating liquid and finally pass through the opening 311 on the coating table 31, so that the coating part 201 is soaked in the carried coating liquid and the required coating time is kept. The first linear drive 34 is embodied as a linear motor. Preferably, when the number of the coating portions 301 is plural and the heights are different, the coating head 33 may have accommodating grooves with corresponding positions and heights.

The coating apparatus 30 further includes a second linear actuator 35, and the second linear actuator 35 is connected to the coating tank 32 for driving the coating tank 32 to move linearly in the Y-axis direction, so as to facilitate cleaning of the coating tank 32 and replacement of the coating liquid therein.

In the preferred embodiment of the present application, the coating apparatus 30 further includes a third linear actuator 36, the third linear actuator 36 is disposed below the coating stage 31 and located outside the coating box 32, and an output end of the third linear actuator 36 is fixedly connected or detachably abutted to the coating stage 31 for driving the coating stage 31 to move linearly in the Z-axis direction, so that after the coating stage 31 moves upwards, the sealing connection with the coating box 32 is released, and the coating box 32 can move linearly in the Y-axis direction. In addition, after the coating table 31 is lifted, the coating head 33 is convenient to clean, detach and replace, and the operation of different coating parts 201 is suitable.

With reference to fig. 1 and 6, the coating apparatus 30 further includes a liquid replenishing mechanism 37, the liquid replenishing mechanism 37 includes a support 371, a coating liquid tank 372 detachably mounted on the support 371, and a liquid level sensor 373, the coating liquid tank 372 is located above the side of the coating table 31, connected to the coating tank 32 through a pipeline, and controlled by a switch valve 374 to be on or off, and the coating tank 32 and the coating liquid tank 372 are respectively provided with a liquid level sensor 373. When the liquid level sensor 373 at the coating tank 32 senses that the liquid level in the tank is lower than the preset value, a signal is sent to the controller, and under the instruction of the controller, the switch valve 374 is opened, so that the coating liquid is automatically replenished into the coating tank 32. When the liquid level sensor 373 at the coating liquid tank 372 senses that the liquid level in the tank is lower than the preset value, an alarm is given out to remind the user of manual liquid supplement.

In the coating machine 100 of the present invention, when the coated product 200 is inspected by sampling inspection, the inspection table 50 is provided between the coating table 31 and the loading table 46, and the product 200 can be inspected by sampling inspection and the defective product is marked with a marker.

Referring to fig. 1, 7 and 8, the blanking device 40 includes a cooling storage mechanism 41, and a first robot arm 42, a second robot arm 43 and a third robot arm 44 which are arranged in a triangular shape with respect to the cooling storage mechanism 41, wherein the second robot arm 43 is used for taking and delivering an empty bin 45 to a loading table 46 which is located at the opposite rear side of the coating table 31, the first robot arm 42 is arranged at the side of the coating table 31 and is used for transferring a coated product 200 into the bin 45, the third robot arm 44 is used for transferring the bin 45 filled with the product to the cooling storage mechanism 41, and the cooling storage mechanism 41 is used for cooling, storing, transferring and discharging the product 200 which is placed in the bin 45.

Specifically, the cooling and storing mechanism 41 includes at least two conveyors 411 arranged in parallel, and the conveyors 411 can convey a plurality of bins 45 stacked at their input ends to their output ends along the Y-axis direction, i.e., from front to back, so that first-in first-out can be realized. Besides, an empty box feeding belt 412 is provided beside the two conveyor belts 411, and a plurality of empty boxes 45 stacked in layers are conveyed to the second manipulator 43 along the Y-axis from the back to the front on the empty box feeding belt 412.

Referring to fig. 7, the first manipulator 42 is a four-axis manipulator, the output end of which is connected to a feeding clamping jaw 421 and an industrial camera 422, and the industrial camera 422 is used for recognizing the position of the card in the bin 45, so as to accurately place the coated product 200 into the card in the bin 45.

Referring to fig. 8, the second robot 43 and the third robot 44 are six-axis robots, which have the same structure and working principle, but have different functions, one for taking and putting empty bins 45 and one for taking and putting full bins 45 of products 200. Specifically, taking the third robot 44 as an example for explanation, the third robot 44 includes 4 pick-and-place clamping jaws 441 connected to the output end, and the 4 pick-and-place clamping jaws 441 are used for clamping and fixing from four corners of the upper end of the bin 45, so as to maintain smooth transfer.

The operation of the coater 100 of the present invention will be described with reference to fig. 1 to 8:

after the equipment is started, under the instruction of the controller, the feeding device 10 firstly moves up and down along the Z axis to clamp the product 200, then transfers the product to a position between two ion fans of the cleaning device 20, stays for a short time to clean and remove dust, then the feeding device 10 transfers the product 200 and places the product on the coating platform 31, and the feeding device resets 10; then, the coating head 33 moves linearly in the coating tank 32 along the Z-axis direction to approach the product 200 until passing through the opening 311 on the coating table 31, the coating part 201 is soaked in the carried coating liquid, and after the required coating time is kept, the coating head 33 falls back below the liquid level of the coating liquid, and the coating liquid is replenished; at this time, the second manipulator 43 has placed the empty bin 45 on the loading platform 46, the first manipulator 42 puts the product coated on the coating platform 31 into the bin 45, until the bin 45 is full, the third manipulator 44 transfers and stacks the bin 45 full of the product 200 on the conveyor belt 411, when the stack is stacked to a preset number of layers, the conveyor belt 411 operates to convey the bin 45 stacked in multiple layers one step backwards, until the conveyor belt 411 is full of multiple stacks of bins 45, the third manipulator 44 stacks the subsequent bin 45 on another conveyor belt 411, and the first-in cooled bin 45 can be fed at the rear end, so as to realize first-in first-out. The above operations are repeated continuously to realize the automatic line production of coating the product 200.

Compared with the prior art, the feeding device 10 of the coating machine 100 can realize automatic picking and placing of the product 200, can realize transferring and overturning operation of the product 200, realizes multiple actions by a single device, has simple and efficient structure and effectively optimizes the structure. The product 200 is cleaned by the cleaning device 20 and then coated by the coating device 30, so that the coating effect of the product 200 is better, and when coating is performed, the coating part 201 is at an overturning position convenient for coating, the whole product is not contacted with the coating liquid, but the coating head 33 moves relative to the product 200, so that the coating part 201 can be soaked in the coating liquid carried by the containing tank of the coating head 33, and thus, positioning coating is realized, and the coating effect is good; and, the coating head 33 can stir the coating liquid by moving up and down, so that the coating liquid in the coating box 32 can be promoted to flow, and the using effect of the coating liquid can be effectively improved. In addition, the coating box 32 is detachably connected with the coating table 31, when the coating box moves linearly away from the coating table 31, the cleaning operation of the coating box and the coating head 33 can be conveniently finished, and the coating head 33 is convenient to clean, disassemble and replace, so that the adaptive operation of the coating parts 201 with different models and different parts is realized, and the adaptability of the whole machine is effectively improved. The blanking device 40 can automatically transfer the coated product 200, and can also cool, store, transfer and discharge the product 200, thereby effectively ensuring the coating effect. The coating machine 100 has simple and compact structure, high automation degree, effectively simplified structure and correspondingly reduced manufacturing cost, and effectively ensures the coating effect.

The above disclosure is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the scope of the present invention, therefore, the present invention is not limited by the appended claims.

Claims

1. A coating machine is characterized by comprising a feeding device, a cleaning device, a coating device and a discharging device, wherein the feeding device is arranged beside the cleaning device and the coating device and used for taking and sending a product to the cleaning device and cleaning and dedusting the product by matching with the cleaning device, the feeding device is also used for overturning the cleaned product for 180 degrees and then placing the product on a coating table of the coating device, the coating device comprises a coating box detachably connected to the bottom of the coating table and a coating head suspended in the coating box, the coating head is provided with an accommodating groove with an upward notch, the notch of the accommodating groove is lower than the liquid level of the coating liquid in the coating box, and the coating head can linearly move along the Z-axis direction relative to the coating box to be close to or far away from the coating table, the coating part of the product can be soaked in the coating liquid carried by the accommodating tank, the coating box of the coating device can do linear motion close to or far away from the coating platform along the Y-axis direction, and the blanking device is used for cooling, storing, transferring and blanking the product after coating treatment.

2. A coater according to claim 1, wherein said feeding means includes a feeding claw linearly movable in a Z-axis direction with respect to said coating station to grasp said product, and linearly movable in a Y-axis direction with respect to said coating station to transfer said grasped product between said cleaning means and said coating station, and during the transfer, said feeding claw is further rotated 180 ° with respect to said coating station so that said coating section is in a direction facilitating the coating process.

3. The coater according to claim 2, wherein the feeding device further comprises a Y-axis linear module, a mounting frame, a first rotary actuator, a first swing arm, a second swing arm, a connecting plate, a second rotary actuator, and a clamping actuator, the mounting frame is connected to the slider of the Y-axis linear module, the first rotary actuator is fixed to a top end of the mounting frame, one end of the first swing arm is rotatably connected to an output end of the first rotary actuator, the other end of the first swing arm is pivotally connected to one end of the second swing arm, the other end of the second swing arm is rotatably connected to the connecting plate, side ends of the connecting plate are slidably connected to opposite lower ends of the mounting frame in a Z-axis direction, the second rotary actuator is mounted on the connecting plate, and the clamping actuator is connected to an output end of the second rotary actuator, the feeding clamping claw is connected to the output end of the clamping driver.

4. A coater according to claim 3, wherein an elastic member is connected between the mounting frame and the opposite lower end of the second swing arm.

5. The coater of claim 1, wherein the cleaning device comprises an upper ion blower and a lower ion blower arranged in parallel and at an interval along the Z-axis direction, and the feeding device is capable of moving the obtained product to a position between the upper ion blower and the lower ion blower, stopping for a period of time, and then moving the product to the coating stage.

6. A coater according to claim 1, wherein the coating station and the coating tank are sealingly connected by a seal.

7. The coater according to claim 1, wherein the coating device further comprises a first linear actuator connected to the coating head for driving the coating head to move linearly in the Z-axis direction, and a second linear actuator connected to the coating box for driving the coating box to move linearly in the Y-axis direction.

8. The coater according to claim 1, further comprising a third linear actuator disposed below the coating stage and outside the coating tank, wherein the third linear actuator is fixedly connected or detachably abutted to the coating stage for driving the coating stage to move linearly in the Z-axis direction.

9. The coating machine according to claim 1, wherein the blanking device comprises a cooling storage mechanism, and a first robot, a second robot and a third robot arranged in a triangular shape relative to the cooling storage mechanism, the second robot is used for taking and delivering bins to a loading table located at the opposite rear side of the coating table, the first robot is arranged at the side of the coating table and used for transferring the products after coating to the bins, the third robot is used for transferring bins filled with the products to the cooling storage mechanism, and the cooling storage mechanism is used for cooling storage and transferring discharging of the products placed in the bins.

10. The coater of claim 9, wherein the cooling and storing mechanism includes at least two conveyors arranged in parallel, the conveyors being capable of conveying a plurality of the bins in a stacked arrangement at their input ends to their output ends in the Y-axis direction.