Powder coating equipment and treatment method thereof

Abstract

The invention provides powder coating equipment and a treatment method thereof. The powder coating equipment comprises a smashing assembly, a separation box, an auxiliary feeding assembly and a fan assembly. The discharging end of the smashing assembly communicates with the separating box, a large particle falling opening and a powder falling opening are formed in the left side and the right side of the lower surface of the separating box correspondingly, the other end of the large particle falling opening communicates with the feeding end of the auxiliary feeding assembly through a pipeline, and a filtering assembly is installed between the large particle falling opening and the inner wall of the separating box. The other end of the auxiliary feeding assembly communicates with the feeding end of the smashing assembly. A controllable vibration sliding plate and a filtering layer net are additionally arranged at a large particle falling opening, meanwhile, a third motor drives the filtering layer net to vibrate, recycled particles are automatically conveyed into an auxiliary feeding assembly in a sliding mode, smooth conveying of large particle powder is guaranteed, secondary screening and smashing are not needed, and the quality of powder coating is improved; and the powder coating has good adhesive force.

Description

Technical Field

[0001] The invention relates to the technical field of powder coating processing, and in particular to a powder coating equipment and a processing method thereof. Background Art

[0002] Powder coating exists in the form of fine powder. It is a new type of solvent-free 100% solid powder coating. It has the characteristics of being solvent-free, pollution-free, recyclable, environmentally friendly, saving energy and resources, reducing labor intensity and having high mechanical strength of the coating. Powder coating is sprayed onto the coated object in powder form, baked, melted and leveled, and solidified into a film. Powder coating has the advantages of improving coating performance, reducing costs, and eliminating the generation of volatile organic compounds, and has been continuously and rapidly developed.

[0003] Patent publication number CN108084765A discloses a powder coating equipment, which grinds the semi-finished product and then sucks it into a cyclone separation device through the wind force of the induced draft fan to separate qualified powder. The substandard ultrafine powder is discharged into the air through the induced draft fan. However, larger particles will appear after the crushing, and the crushed powder coating needs to be screened and crushed for the second time to ensure the quality of the powder coating, resulting in the powder coating not being able to obtain good adhesion. Summary of the invention

[0004] The technical problem to be solved by the present invention is to provide a powder coating equipment and a processing method thereof to solve the problem that the existing powder coating will have larger particles after being crushed, and the crushed powder coating needs to be screened and crushed for the second time to ensure the quality of the powder coating, resulting in the powder coating not being able to obtain good adhesion after spraying.

[0005] In order to solve the above technical problems, the present invention provides the following technical solutions: A powder coating equipment comprises a pulverizing component, a separation box, an auxiliary feeding component and a fan component; the discharge end of the pulverizing component is connected to the separation box, and a large particle drop port and a powder drop port are respectively provided on the left and right sides of the lower surface of the separation box, the other end of the large particle drop port is connected to the feed end of the auxiliary feeding component through a pipeline, a filter component is installed between the large particle drop port and the inner wall of the separation box, the other end of the auxiliary feeding component is connected to the feed end of the pulverizing component, and the fan component is connected to the air induced end of the separation box.

[0006] Preferably, the crushing assembly includes a crushing box, a first motor, a crushing roller and a rotating shaft rotatably installed in the middle of the crushing box, the left and right sides of the upper surface of the crushing box are respectively fixedly connected with a first hopper and a second hopper, the first motor is installed on the rear side of the crushing box, the output end of the first motor is fixedly connected with a driving pulley, the bottom end of the rotating shaft is located inside the crushing box and is fixedly connected to the crushing roller, the top end of the rotating shaft is fixedly connected with a driven pulley, and the driving pulley and the driven pulley are connected by a belt drive.

[0007] Preferably, a plurality of groups of filter elements are installed inside the separation box and between the powder drop port and the fan assembly, and the filter elements are used to separate powders of quality standards.

[0008] Preferably, the auxiliary loading assembly includes a vertical conveying cylinder, the bottom end of the vertical conveying cylinder is fixedly connected to a second motor, the output end of the second motor is located inside the vertical conveying cylinder and is fixedly connected to a spiral auger, the top end of the vertical conveying cylinder is fixedly connected to a material guide cylinder, and the other end of the material guide cylinder gradually tilts toward the first hopper and is connected to the first hopper.

[0009] Preferably, the fan assembly comprises a wind tube and a blower, the blower is used to generate wind pressure in the wind tube, one end of the wind tube is fixedly connected to the separation box, and an air outlet is provided at one end of the wind tube away from the separation box.

[0010] Preferably, the filter assembly includes a vibration slide and a third motor, the inner bottom wall of the left side of the separation box is fixedly connected to a fixed seat, the right side of the bottom end of the vibration slide is fixedly connected to a sliding rod, the sliding rod passes through the fixed seat and is fixedly connected to a limited block, the fixed seat is provided with a through hole larger than the sliding rod, the outer surface of the sliding rod is sleeved with a spring, the top of the vibration slide is rotatably connected to the inner top wall of the separation box through a pin shaft, the middle part of the vibration slide is installed with a filter layer net, the third motor is fixedly connected to the lower surface of the separation box, the output end of the third motor is fixedly connected to the active bevel gear, the lower surface of the separation box is rotatably connected to the rotating shaft through a bearing, the top end of the rotating shaft is located inside the separation box and is fixedly connected to a cam corresponding to the limit block, the bottom end of the rotating shaft is fixedly connected to the driven bevel gear, and the active bevel gear is meshed with the driven bevel gear.

[0011] Preferably, the vibration slide plate is arranged obliquely, and the bottom end of the vibration slide plate is located at the pipeline.

[0012] Preferably, a feeding wheel is rotatably connected inside the pipeline, a plurality of feeding grooves are provided on the outer surface of the feeding wheel, a rotating rod is fixedly connected to the middle part of the right side of the feeding wheel, the right side of the rotating rod passes through the pipeline and is fixedly connected to a turbine, the rotating rod is rotatably connected to the pipeline through a bearing, a worm is fixedly connected to the bottom end of the rotating shaft, and the worm is meshingly connected to the turbine.

[0013] Preferably, a contact level meter is installed on the inner wall of the crushing box, an upper partition is fixedly connected to the right inner wall of the first hopper and a feeding channel is formed with the inner bottom wall of the first hopper, and a fourth motor is installed on the left side of the first hopper, and the output end of the fourth motor is located inside the feeding channel and fixedly connected to the second spiral auger.

[0014] A method for treating a powder coating device comprises the following steps: S1: pour the semi-finished powder coating from the second hopper into the crushing box, at this time, the first motor rotates to drive the active pulley to rotate, and the active pulley drives the driven pulley and the rotating shaft to rotate through the belt during the rotation process, and the rotating shaft can drive the crushing roller to rotate to crush the semi-finished product during the rotation process, and then the wind force generated by the fan assembly is used to suck the crushed coating into the separation box, and the powder that meets the quality standard will fall freely into the powder drop port under the action of the filter element, and the ultra-fine powder that does not meet the standard will be discharged into the air through the air outlet of the fan assembly under the action of the airflow; S2: Due to the existence of the filter layer net, larger particles of paint will be intercepted, and at the same time, the third motor drives the active bevel gear to rotate. During the rotation process, the active bevel gear can drive the rotating shaft and the cam to rotate by cooperating with the driven bevel gear. During the rotation process, the cam can frequently squeeze the limit block. At this time, the slide bar moves on the fixed seat and causes the vibration slide plate and the filter layer net to vibrate through the spring. During the vibration process, the filter layer net can make large particles of powder fall from the large particle drop port into the feeding trough. At the same time, the rotating shaft can drive the worm to rotate during the rotation process. During the rotation process, the worm can drive the rotating rod and the feeding wheel to rotate in cooperation with the turbine. During the rotation process, the feeding wheel can transport the large particles of paint in the feeding trough to the lower side. At this time, the large particles of paint enter the vertical conveying cylinder; S3: The second motor drives the spiral auger to transport it to the upper material guide barrel, and then enters the first hopper. Then the contact level meter detects the real-time load data of the crushing box. When the load is heavy, the large particles of powder are stored in the first hopper. When the load is light, the fourth motor is started to drive the second spiral auger to rotate. During the rotation, the second spiral auger drives the large particles of paint along the feeding channel into the crushing box for secondary crushing.

[0015] Compared with the prior art, the present invention has at least the following beneficial effects: In the above scheme, a controllable vibration slide plate and a filter layer net are added at the drop port of large particles, and the third motor drives the filter layer net to vibrate, so that the recovered particles are automatically slid into the auxiliary feeding component, thereby avoiding particle accumulation or blockage at the filter layer net. At the same time, the vibration frequency is automatically adjusted according to the number of recovered large particles to ensure smooth operation of the material. Due to the independent transportation of the feeding trough on the feeding wheel, the vertical conveying cylinder and the pipeline will not be connected, thereby avoiding the wind force generated by the fan assembly to affect the auxiliary feeding component, ensuring the smooth transportation of large particle powder, thereby eliminating the need for secondary screening and crushing, improving the quality of powder coating, and enabling the powder coating to obtain good adhesion.

[0016] In the above scheme, the large-particle paint is re-conveyed to the first hopper through the auxiliary feeding component, and then the contact level meter detects the real-time load data of the crushing box. When the load is heavy, the large-particle powder is stored in the first hopper. When the load is light, the fourth motor is started to drive the second spiral auger to rotate. During the rotation process, the second spiral auger drives the large-particle paint along the feeding channel into the crushing box for secondary crushing, thereby automatically adjusting the feeding speed of the large-particle powder to avoid excessive or insufficient feeding affecting the crushing effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the front view of a three-dimensional structure of a powder coating device and a processing method thereof; Figure 2 A rear perspective structural diagram of a powder coating device and a processing method thereof; Figure 3 It is a schematic diagram of the front cross-sectional structure of a powder coating device and a processing method thereof; Figure 4 Powder coating equipment and processing method thereof Figure 3 A schematic diagram of the enlarged structure at A in the middle; Figure 5 Powder coating equipment and processing method thereof Figure 3 A schematic diagram of the enlarged structure at B in the middle; Figure 6 A schematic diagram of the internal structure of a pipeline of a powder coating device and a processing method thereof; Figure 7 A schematic diagram of the structure of a vibrating slide plate for a powder coating device and a processing method thereof.

[0018] Figure numerals: 1, crushing assembly; 2, separation box; 3, auxiliary feeding assembly; 4, fan assembly; 5, large particle drop port; 6, powder drop port; 7, pipeline; 8, filter assembly; 9, filter element; 10, contact level meter; 101, crushing box; 102, first motor; 103, crushing roller; 104, rotating shaft; 105, first hopper; 106, second hopper; 107, driving pulley; 108, driven pulley; 109, belt; 301, vertical conveying cylinder; 302, second motor; 303, spiral auger; 304, guide cylinder; 40 1. Air cylinder; 402. Blower; 403. Air outlet; 701. Feed wheel; 702. Feed trough; 703. Rotating rod; 704. Turbine; 705. Worm; 801. Vibrating slide plate; 802. Third motor; 803. Fixed seat; 804. Sliding rod; 805. Limiting block; 806. Filter layer net; 807. Rotating shaft; 808. Cam; 809. Driven bevel gear; 810. Spring; 811. Active bevel gear; 1001. Upper partition; 1002. Feeding channel; 1003. Fourth motor; 1004. Second spiral auger. DETAILED DESCRIPTION

[0019] The following is a detailed description of a powder coating device and a processing method thereof provided by the present invention in conjunction with the accompanying drawings and specific embodiments. At the same time, it is explained here that in order to make the embodiments more detailed, the following embodiments are the best and preferred embodiments, and those skilled in the art may also adopt other alternatives to implement some known technologies; and the accompanying drawings are only for a more specific description of the embodiments, and are not intended to specifically limit the present invention.

[0020] It should be noted that the references to "one embodiment", "embodiment", "exemplary embodiments", "some embodiments" and the like in the specification indicate that the embodiments described may include specific features, structures or characteristics, but not every embodiment may include the specific features, structures or characteristics. In addition, when a specific feature, structure or characteristic is described in conjunction with an embodiment, it should be within the knowledge of a person skilled in the art to implement such feature, structure or characteristic in conjunction with other embodiments (whether or not explicitly described).

[0021] In general, a term can be understood, at least in part, from its use in context. For example, depending, at least in part, on the context, the term "one or more" as used herein can be used to describe any feature, structure, or characteristic in the singular sense, or can be used to describe a combination of features, structures, or characteristics in the plural sense. Additionally, the term "based on" can be understood as not necessarily intended to convey an exclusive set of factors, but can instead, depending, at least in part, on the context, allow for the presence of other factors that are not necessarily explicitly described.

[0022] It will be understood that the meaning of “on,” “over,” and “above” in this disclosure should be interpreted in the broadest manner, so that “on” means not only “directly on” something, but also includes the meaning of being “on” something with intervening features or layers therebetween, and “on” or “over” means not only “on” or “above” something, but also includes the meaning of being “on” or “above” something with no intervening features or layers therebetween.

[0023] Additionally, spatially relative terms such as "under," "beneath," "lower," "above," "upper," and the like may be used herein for descriptive convenience to describe the relationship of one element or feature to another element or features, as shown in the accompanying drawings. Spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the accompanying drawings. The device may be oriented in other ways, and the spatially relative descriptors used herein may be similarly interpreted accordingly.

[0024] like Figure 1-7 As shown, an embodiment of the present invention provides a powder coating device, including a crushing component 1, a separation box 2, an auxiliary feeding component 3 and a fan component 4; The discharge end of the crushing component 1 is connected to the separation box 2. A large particle drop port 5 and a powder drop port 6 are respectively provided on the left and right sides of the lower surface of the separation box 2. The other end of the large particle drop port 5 is connected to the feed end of the auxiliary feeding component 3 through a pipeline 7. A filter component 8 is installed between the large particle drop port 5 and the inner wall of the separation box 2. The other end of the auxiliary feeding component 3 is connected to the feed end of the crushing component 1, and the fan component 4 is connected to the induced draft end of the separation box 2.

[0025] like Figure 1-3 As shown, in this embodiment, the crushing assembly 1 includes a crushing box 101, a first motor 102, a crushing roller 103 and a rotating shaft 104 rotatably installed in the middle of the crushing box 101, and the left and right sides of the upper surface of the crushing box 101 are fixedly connected with a first hopper 105 and a second hopper 106 respectively. The first motor 102 is installed on the rear side of the crushing box 101, and the output end of the first motor 102 is fixedly connected with a driving pulley 107. The bottom end of the rotating shaft 104 is located inside the crushing box 101 and is fixedly connected to the crushing roller 103. The top end of the rotating shaft 104 is fixedly connected with a driven pulley 108, and the driving pulley 107 and the driven pulley 108 are connected by a belt 109.

[0026] The semi-finished powder coating product is poured from the second hopper 106 into the crushing box 101. The first motor 102 rotates to drive the driving pulley 107 to rotate. The driving pulley 107 rotates through the belt 109 to drive the driven pulley 108 and the rotating shaft 104 to rotate. The rotating shaft 104 rotates to drive the crushing roller 103 to rotate and crush the semi-finished product.

[0027] like Figure 1 and Figure 3 As shown, in this embodiment, multiple groups of filter elements 9 are installed inside the separation box 2 and between the powder drop port 6 and the fan assembly 4. The filter element 9 is used to separate powders with quality standards. A cyclone separator can be installed in the separation box 2. The wind force generated by the fan assembly 4 sucks the crushed paint into the separation box 2. Powders that meet the quality standards will freely fall into the powder drop port 6 under the action of the filter element 9, and ultrafine powders that do not meet the standards will be discharged into the air through the air outlet 403 of the fan assembly 4 under the action of the airflow.

[0028] like Figure 2 and Figure 3 As shown, in this embodiment, the auxiliary loading assembly 3 includes a vertical conveying cylinder 301, the bottom end of the vertical conveying cylinder 301 is fixedly connected to a second motor 302, the output end of the second motor 302 is located inside the vertical conveying cylinder 301 and is fixedly connected to a spiral auger 303, the top end of the vertical conveying cylinder 301 is fixedly connected to a material guide cylinder 304, and the other end of the material guide cylinder 304 gradually tilts toward the first hopper 105 and is connected to the first hopper 105.

[0029] When the large particles of paint enter the vertical conveying cylinder 301 , the second motor 302 drives the spiral auger 303 to convey them to the upper material guide cylinder 304 , and then enter the first hopper 105 .

[0030] like Figure 1 and Figure 2 As shown, in this embodiment, the fan assembly 4 includes a wind tube 401 and a blower 402. The blower 402 is used to generate wind pressure in the wind tube 401. One end of the wind tube 401 is fixedly connected to the separation box 2, and an air outlet 403 is provided at the end of the wind tube 401 away from the separation box 2.

[0031] like Figure 3 , Figure 4 and Figure 7As shown, in this embodiment, the filter assembly 8 includes a vibration slide 801 and a third motor 802, the inner bottom wall of the left side of the separation box 2 is fixedly connected with a fixed seat 803, and the right side of the bottom end of the vibration slide 801 is fixedly connected with a slide bar 804, the slide bar 804 passes through the fixed seat 803 and is fixedly connected to the limited block 805, and the outer surface of the slide bar 804 is sleeved with a spring 810, and the top of the vibration slide 801 is rotatably connected to the inner top wall of the separation box 2 through a pin shaft, and a filter layer net 806 is installed in the middle of the vibration slide 801, and a through hole larger than the slide bar 804 is opened on the fixed seat 803, and the upper and lower sides of the vibration slide 801 are both arc-shaped structures, which not only enables the vibration slide 801 to drive the filter layer net 806 The pin shaft vibrates around the top, and the bottom end of the vibration slide plate 801 has the same curvature as the pin shaft, the upper and lower sides of the vibration slide plate 801 can be well sealed, the third motor 802 is fixedly connected to the lower surface of the separation box 2, and the output end of the third motor 802 is fixedly connected to the driving bevel gear 811, and the lower surface of the separation box 2 is rotatably connected to the rotating shaft 807 through a bearing, the top of the rotating shaft 807 is located inside the separation box 2 and is fixedly connected to a cam 808 corresponding to the limit block 805, and the bottom end of the rotating shaft 807 is fixedly connected to the driven bevel gear 809, and the driving bevel gear 811 is meshed with the driven bevel gear 809. The vibration slide plate 801 is inclined, and the bottom end of the vibration slide plate 801 is located at the pipe 7.

[0032] By setting the filter layer net 806, larger particles of paint will be intercepted, and at the same time, the third motor 802 drives the cam 808 to frequently squeeze the limit block 805. At this time, the slide bar 804 moves on the fixed seat 803 and causes the vibration slide plate 801 and the filter layer net 806 to vibrate through the spring 810. During the vibration process, the filter layer net 806 can make large particles of powder fall from the large particle drop port 5.

[0033] like Figure 3 , Figure 4 and Figure 6 As shown, in this embodiment, a feeding wheel 701 is rotatably connected inside the pipeline 7, and the side of the feeding wheel 701 is in contact with the inner wall of the pipeline 7. When the feeding wheel 701 rotates, the vertical conveying cylinder 301 will not be directly connected to the pipeline 7. An air inlet is provided on the vertical conveying cylinder 301, and a plurality of feeding grooves 702 are provided on the outer surface of the feeding wheel 701. A rotating rod 703 is fixedly connected to the middle part of the right side of the feeding wheel 701, and the right side of the rotating rod 703 passes through the pipeline 7 and is fixedly connected to a turbine 704. The rotating rod 703 is rotatably connected to the pipeline 7 through a bearing, and a worm 705 is fixedly connected to the bottom end of the rotating shaft 807, and the worm 705 is meshingly connected to the turbine 704.

[0034] In this way, the rotating shaft 807 can drive the rotating rod 703 and the feeding wheel 701 to rotate during the rotation process. The feeding wheel 701 can transport the large particle paint in the feeding trough 702 to the lower side during the rotation process. At this time, the large particle paint enters the vertical conveying cylinder 301.

[0035] like Figure 3 and Figure 5 As shown, in this embodiment, a contact level meter 10 is installed on the inner wall of the crushing box 101, an upper partition 1001 is fixedly connected to the right inner wall of the first hopper 105 and a feeding channel 1002 is formed with the inner bottom wall of the first hopper 105, and a fourth motor 1003 is installed on the left side of the first hopper 105. The output end of the fourth motor 1003 is located inside the feeding channel 1002 and is fixedly connected to the second spiral auger 1004. The second spiral auger 1004 is driven to rotate by the fourth motor 1003. During the rotation, the second spiral auger 1004 drives large particles of paint along the feeding channel 1002 into the crushing box 101 for secondary crushing.

[0036] A method for treating a powder coating device comprises the following steps: S1: Pour the semi-finished product of powder coating from the second hopper 106 into the crushing box 101. At this time, the first motor 102 rotates to drive the active pulley 107 to rotate. During the rotation, the active pulley 107 drives the driven pulley 108 and the rotating shaft 104 to rotate through the belt 109. During the rotation, the rotating shaft 104 can drive the crushing roller 103 to rotate to crush the semi-finished product. Then, the wind force generated by the fan assembly 4 sucks the crushed coating into the separation box 2. The powder that meets the quality standard will freely fall into the powder drop port 6 under the action of the filter element 9, and the ultra-fine powder that does not meet the standard will be discharged into the air through the air outlet 403 of the fan assembly 4 under the action of the airflow.

[0037] S2: Due to the existence of the filter layer net 806, larger particles of paint will be intercepted, and at the same time, the third motor 802 drives the active bevel gear 811 to rotate. During the rotation process, the active bevel gear 811 can drive the rotating shaft 807 and the cam 808 to rotate by cooperating with the driven bevel gear 809. During the rotation process, the cam 808 can frequently squeeze the limit block 805. At this time, the slide bar 804 moves on the fixed seat 803 and vibrates the vibration slide plate 801 and the filter layer net 806 through the spring 810. During the vibration process, the filter layer net 806 can make large particles of powder fall from the large particle drop port 5 into the feeding trough 702. At the same time, the rotating shaft 807 can drive the worm 705 to rotate during the rotation process. During the rotation process, the worm 705 cooperates with the turbine 704 to drive the rotating rod 703 and the feeding wheel 701 to rotate. During the rotation process, the feeding wheel 701 can transport the large particles of paint in the feeding trough 702 to the lower side. At this time, the large particles of paint enter the vertical conveying cylinder 301. Therefore, by adding a controllable vibration slide plate 801 and a filter layer net 806 at the large particle drop port 5, and at the same time the third motor 802 drives the filter layer net 806 to vibrate, the recovered particles are automatically slid into the auxiliary feeding component 3, thereby avoiding particle accumulation or blockage at the filter layer net 806, and automatically adjusting the vibration frequency according to the number of recovered large particles to ensure smooth operation of the material. Due to the independent conveying of the feeding trough 702 on the feeding wheel 701, it is ensured that the vertical conveying cylinder 301 and the pipeline 7 will not be connected, thereby avoiding the wind force generated by the fan component 4 from affecting the auxiliary feeding component 3, and ensuring the smooth conveying of large particle powder.

[0038] S3: The second motor 302 drives the spiral auger 303 to be transported to the upper material guide cylinder 304, and then enters the first hopper 105, and then the contact level meter 10 detects the real-time load data of the crushing box 101. When the load is heavy, the large particle powder is stored in the first hopper 105. When the load is light, the fourth motor 1003 is started to drive the second spiral auger 1004 to rotate. During the rotation process, the second spiral auger 1004 drives the large particle coating along the feeding channel 1002 into the crushing box 101 for secondary crushing, thereby automatically adjusting the feeding speed of the large particle powder to avoid excessive or insufficient feeding affecting the crushing effect.

[0039] The present invention covers any substitution, modification, equivalent method and scheme made on the essence and scope of the present invention. In order to make the public have a thorough understanding of the present invention, specific details are described in detail in the following preferred embodiments of the present invention, but those skilled in the art can fully understand the present invention without the description of these details. In addition, in order to avoid unnecessary confusion about the essence of the present invention, well-known methods, processes, procedures, components and circuits are not described in detail.

[0040] A person skilled in the art will appreciate that all or part of the steps in the above-mentioned embodiment method can be completed by instructing related hardware through a program, and the program can be stored in a computer-readable storage medium, such as ROM / RAM, a disk, an optical disk, etc.

[0041] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principle of the present invention. These improvements and modifications should also be regarded as the scope of protection of the present invention.

Claims

1. A powder coating device, characterized in that: It comprises a crushing component (1), a separation box (2), an auxiliary feeding component (3) and a fan component (4); The discharge end of the pulverizing component (1) is connected to the separation box (2); a large particle drop opening (5) and a powder drop opening (6) are respectively provided on the left and right sides of the lower surface of the separation box (2); the other end of the large particle drop opening (5) is connected to the feed end of the auxiliary feeding component (3) through a pipeline (7); a filter component (8) is installed between the large particle drop opening (5) and the inner wall of the separation box (2); the other end of the auxiliary feeding component (3) is connected to the feed end of the pulverizing component (1); and the fan component (4) is connected to the air induction end of the separation box (2).

2. The powder coating equipment according to claim 1, characterized in that The pulverizing assembly (1) comprises a pulverizing box (101), a first motor (102), a pulverizing roller (103) and a rotating shaft (104) rotatably mounted in the middle of the pulverizing box (101); a first hopper (105) and a second hopper (106) are respectively fixedly connected to the left and right sides of the upper surface of the pulverizing box (101); the first motor (102) is mounted on the rear side of the pulverizing box (101); the output end of the first motor (102) is fixedly connected to a driving pulley (107); the bottom end of the rotating shaft (104) is located inside the pulverizing box (101) and is fixedly connected to the pulverizing roller (103); the top end of the rotating shaft (104) is fixedly connected to a driven pulley (108); the driving pulley (107) and the driven pulley (108) are connected by a belt (109).

3. The powder coating equipment according to claim 2, characterized in that A plurality of groups of filter elements (9) are installed inside the separation box (2) and between the powder drop opening (6) and the fan assembly (4), wherein the filter elements (9) are used to separate powders of a quality standard.

4. The powder coating equipment according to claim 3, characterized in that The auxiliary loading assembly (3) comprises a vertical conveying cylinder (301), the bottom end of the vertical conveying cylinder (301) is fixedly connected to a second motor (302), the output end of the second motor (302) is located inside the vertical conveying cylinder (301) and is fixedly connected to a spiral auger (303), the top end of the vertical conveying cylinder (301) is fixedly connected to a material guide cylinder (304), the other end of the material guide cylinder (304) gradually tilts toward the first hopper (105) and is in communication with the first hopper (105).

5. The powder coating equipment according to claim 4, characterized in that The fan assembly (4) comprises a wind tube (401) and a blower (402), wherein the blower (402) is used to generate wind pressure in the wind tube (401), one end of the wind tube (401) is fixedly connected to the separation box (2), and an air outlet (403) is provided at one end of the wind tube (401) away from the separation box (2).

6. The powder coating device according to claim 5, characterized in that The filtering assembly (8) comprises a vibrating slide (801) and a third motor (802); the inner bottom wall on the left side of the separation box (2) is fixedly connected to a fixing seat (803); the right side of the bottom end of the vibrating slide (801) is fixedly connected to a sliding rod (804); the sliding rod (804) passes through the fixing seat (803) and is fixedly connected to a limiting block (805); a through hole larger than the sliding rod (804) is formed on the fixing seat (803); a spring (810) is sleeved on the outer surface of the sliding rod (804); the top end of the vibrating slide (801) is rotatably connected to the inner top wall of the separation box (2) via a pin shaft; and the vibrating slide A filter layer net (806) is installed in the middle of (801), the third motor (802) is fixedly connected to the lower surface of the separation box (2), the output end of the third motor (802) is fixedly connected to a driving bevel gear (811), the lower surface of the separation box (2) is rotatably connected to a rotating shaft (807) via a bearing, the top end of the rotating shaft (807) is located inside the separation box (2) and is fixedly connected to a cam (808) corresponding to the limit block (805), the bottom end of the rotating shaft (807) is fixedly connected to a driven bevel gear (809), and the driving bevel gear (811) is meshingly connected to the driven bevel gear (809).

7. The powder coating equipment according to claim 6, characterized in that The vibration slide plate (801) is arranged in an inclined manner, and the bottom end of the vibration slide plate (801) is located at the pipeline (7).

8. The powder coating equipment according to claim 7, characterized in that A feeding wheel (701) is rotatably connected inside the pipeline (7), a plurality of feeding grooves (702) are provided on the outer surface of the feeding wheel (701), a rotating rod (703) is fixedly connected to the middle of the right side of the feeding wheel (701), the right side of the rotating rod (703) passes through the pipeline (7) and is fixedly connected to a turbine (704), the rotating rod (703) is rotatably connected to the pipeline (7) via a bearing, a worm (705) is fixedly connected to the bottom end of the rotating shaft (807), and the worm (705) is meshingly connected to the turbine (704).

9. The powder coating device according to claim 8, characterized in that A contact material level meter (10) is installed on the inner wall of the crushing box (101); an upper partition (1001) is fixedly connected to the right inner wall of the first hopper (105) and forms a feeding channel (1002) with the inner bottom wall of the first hopper (105); a fourth motor (1003) is installed on the left side of the first hopper (105); an output end of the fourth motor (1003) is located inside the feeding channel (1002) and is fixedly connected to the second spiral auger (1004).

10. A method for treating a powder coating device according to any one of claims 1 to 9, characterized in that: The steps include: S1: pouring the semi-finished powder coating from the second hopper (106) into the crushing box (101), at which time the first motor (102) rotates to drive the driving pulley (107) to rotate, and the driving pulley (107) drives the driven pulley (108) and the rotating shaft (104) to rotate through the belt (109) during the rotation process, and the rotating shaft (104) can drive the crushing roller (103) to rotate during the rotation process to crush the semi-finished product, and then the crushed coating is sucked into the separation box (2) through the wind force generated by the fan component (4), and the powder that meets the quality standard will fall freely into the powder drop port (6) under the action of the filter element (9), and the ultra-fine powder that does not meet the quality standard will be discharged into the air through the air outlet (403) of the fan component (4) under the action of the airflow; S2: Due to the presence of the filter layer net (806), larger particles of paint will be intercepted, and at the same time, the third motor (802) drives the active bevel gear (811) to rotate. During the rotation process, the active bevel gear (811) can drive the rotating shaft (807) and the cam (808) to rotate by cooperating with the driven bevel gear (809). During the rotation process, the cam (808) can frequently squeeze the limit block (805). At this time, the slide bar (804) moves on the fixed seat (803) and uses the spring (810) to make the vibration slide plate (801) and the filter layer net (80 6) generating vibrations, and during the vibration process, the filter layer net (806) can make the large-particle powder fall from the large-particle drop port (5) into the feeding trough (702), and at the same time, the rotating shaft (807) can drive the worm (705) to rotate during the rotation process, and the worm (705) can cooperate with the turbine (704) to drive the rotating rod (703) and the feeding wheel (701) to rotate during the rotation process, and the feeding wheel (701) can transport the large-particle paint in the feeding trough 702 to the lower side during the rotation process, and at this time, the large-particle paint enters the vertical conveying cylinder (301); S3: The second motor (302) drives the spiral auger (303) to be transported to the upper material guide cylinder (304), and then enters the first hopper (105). Then the contact material level meter (10) detects the real-time load data of the crushing box (101). When the load is heavy, the large-particle powder is stored in the first hopper (105). When the load is light, the fourth motor (1003) is started to drive the second spiral auger (1004) to rotate. During the rotation process, the second spiral auger (1004) pushes the large-particle paint along the feeding channel (1002) into the crushing box (101) for secondary crushing.

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