Cleaning and drying equipment for fast food box production and processing

By introducing a combination design of heating sheet, ultrasonic vibrator and blower in the cleaning and drying equipment, the problem of cleaning blind spots of the corners of the fast food box is solved, and a comprehensive cleaning and drying effect is achieved.

CN223295139UActive Publication Date: 2025-09-02SHENZHEN SAIZHUO PLASTIC IND CO LTD
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Patent Information

Application Number
CN202422276370.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-18
Publication Date
2025-09-02
Estimated Expiration
2034-09-18

AI Technical Summary

Technical Problem

During the use of existing cleaning and drying equipment, there are often cleaning dead corners at the corners of the fast food box, which need to be repeatedly washed.

Method used

A device including a cleaning box, loading frame, blowing assembly and control assembly is designed. Through the combination of multiple sets of heating plates, ultrasonic vibrator and blowing fan, high-temperature sterilization and rapid moisture evaporation are achieved. Combined with the design of the conveying slide rail and the slide chute, it ensures that the fast food box is cleaned without dead corners during cleaning and drying.

Benefits of technology

It realizes all-round cleaning and efficient drying of fast food boxes, avoids corner cleaning and blind spots, and improves cleaning efficiency and effect.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the field of cleaning and drying equipment, in particular to cleaning and drying equipment for fast food box production and processing. The technical problems that in the using process of existing cleaning and drying equipment, a fast food box is generally washed and cleaned through a spray head, cleaning dead corners are generally reserved at the corners of the fast food box, and repeated washing is needed are solved. According to the technical scheme, the cleaning and drying equipment for fast food box production and processing comprises a cleaning box, a loading frame, an air blowing assembly and a control assembly; through combination of a plurality of groups of heating pieces, after the fast food box is cleaned in the cleaning bin, the fast food box can slide into the drying bin through a plurality of groups of conveying sliding rails, the temperature of the drying bin is increased through heating of the plurality of groups of heating pieces, and moisture evaporation of the fast food box is accelerated while high-temperature sterilization is performed; the loading frame can be placed into the cleaning bin through the sliding grooves along the conveying sliding rails to be cleaned, and after cleaning is completed, the loading frame slides into the drying bin through the sliding grooves along the conveying sliding rails to be subjected to moisture removal, drying and sterilization.
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Description

Technical Field

[0001] The utility model relates to the field of drying equipment, in particular to a cleaning and drying equipment for producing and processing fast food boxes. Background Art

[0002] A fast food box is a box used to hold fast food, usually made of paper or plastic. Fast food boxes are easy to carry, easy to pack and hold food, and are widely used in fast food restaurants and take-out services. During the production and processing of fast food boxes, corresponding cleaning and drying equipment is usually required to clean the dirt and impurities on the surface of the fast food boxes. Existing cleaning and drying equipment, during use, usually only uses a nozzle to flush the fast food boxes, and the corners of the fast food boxes usually leave dead corners for cleaning, which need to be repeatedly flushed. Therefore, we propose a cleaning and drying equipment for the production and processing of fast food boxes to solve the above problems. Utility Model Content

[0003] In order to overcome the problem that the existing cleaning and drying equipment is usually used to clean the fast food box by simply flushing it with a nozzle, but the corners of the fast food box usually leave dead corners for cleaning, which require repeated flushing.

[0004] The technical solution of the present utility model is: a cleaning and drying equipment for the production and processing of fast food boxes, including a cleaning box, a loading frame, a blowing assembly and a control assembly. The interior of the cleaning box is respectively provided with a cleaning chamber and a drying chamber, the drying chamber is located above the cleaning chamber, the interior of the cleaning chamber is provided with a loading frame for assembling fast food boxes, the loading frame includes a support frame and a fixed pile; the top of the drying chamber is provided with a blowing assembly for blowing away moisture from the fast food boxes, and one side of the cleaning box is provided with a control assembly for controlling the operation of each component.

[0005] Preferably, by combining multiple groups of heating plates, after the fast food boxes are cleaned in the cleaning bin, they can slide into the drying bin through multiple groups of conveying slides, and the temperature of the drying bin can be increased by heating through multiple groups of heating plates, and the evaporation of moisture in the fast food boxes can be accelerated while sterilizing at high temperature. By combining the water inlet hole, multiple groups of ultrasonic vibrating rods and the drain port, the staff can inject pure water into the cleaning bin through the water inlet hole, and then separate the fast food boxes and oil stains in the cleaning bin through vibration of multiple groups of ultrasonic vibrating rods, thereby achieving the purpose of cleaning the fast food boxes. By combining the support frame with multiple groups of slides, the staff can put the fast food boxes into the loading frame through the slide along the conveying slide to be cleaned, and after cleaning, they can slide into the drying bin through the slide along the conveying slide to remove moisture, dry and sterilize. By combining the leakage hole and the drainage trough, the moisture in the fast food boxes can flow back into the cleaning bin through the drainage trough and the leakage hole when the fast food boxes are drying.

[0006] Preferably, a partition is provided between the drying bin and the cleaning bin, a conveying trough is provided in the center of the partition, the drying bin and the cleaning bin are connected to each other through the conveying trough, multiple sets of conveying slide rails are provided on both side walls of the drying bin, the lower ends of the multiple sets of conveying slide rails pass through the conveying trough and extend to the interior of the cleaning bin, multiple sets of heating plates are provided between the multiple sets of conveying slide rails, and the multiple sets of heating plates are combined so that after the fast food box is cleaned in the cleaning bin, it can slide into the drying bin through the multiple sets of conveying slide rails, and the temperature of the drying bin can be increased by heating with the multiple sets of heating plates, which can accelerate the evaporation of moisture in the fast food box while sterilizing it at high temperature.

[0007] Preferably, multiple groups of ultrasonic vibrating rods are linearly provided on both side walls of the cleaning bin, a drain outlet is provided at the bottom of the cleaning bin, a drain valve is provided inside the drain outlet, a water inlet is provided on the rear end side wall of the cleaning bin, a water inlet joint is provided at the rear end of the water inlet, a fan slot is provided on the top of the drying bin, and bin openings are provided at the front ends of the cleaning bin and the drying bin, and sealed bin doors are provided to match the bin openings. The bin openings and the sealed bin doors are matched and snapped together, and the water inlet holes, multiple groups of ultrasonic vibrating rods and the drain outlet are combined to enable the staff to inject pure water into the cleaning bin through the water inlet hole, and then separate the fast food boxes and oil stains in the cleaning bin through the vibration of multiple groups of ultrasonic vibrating rods, thereby achieving the purpose of cleaning the fast food boxes.

[0008] Preferably, multiple sets of slide grooves are linearly provided on both sides of the support frame, and the slide grooves are matched with the conveying slide rails. The support frame slides up and down along the conveying slide rails through the slide grooves. An embedded groove is provided on the surface of the support frame, and multiple sets of drainage grooves are provided at the edges of the embedded grooves. Multiple sets of leakage holes are linearly provided on the bottom of the embedded grooves. By combining the support frame with the multiple sets of slide grooves, when the staff puts the fast food box into the loading frame, it can be placed in the cleaning bin for cleaning through the slide groove along the conveying slide rail, and after cleaning, it can be slid into the drying bin along the conveying slide rail through the slide groove to remove moisture, dry and sterilize. By combining the leakage holes and the drainage grooves, moisture in the fast food box can flow back into the cleaning bin through the drainage grooves and the leakage holes when it is drying.

[0009] Preferably, fixed piles are provided at the corners of the embedded grooves, two groups of slots are provided at the outer ends of the fixed piles, and multiple groups of panels are provided between the multiple groups of fixed piles. The two ends of the panels extend into the interior of the slots respectively, and multiple groups of through holes are provided on the surface of the panels. The combination of multiple groups of panels and fixed piles can play a role in fixing and limiting the fast food box, preventing the fast food box from falling out of the loading frame when the loading frame slides.

[0010] Preferably, the blowing assembly includes a support rod and a blowing fan, the support rod is mounted on the upper end of the fan slot, and protective nets for closing the top of the fan slot are provided on both sides of the support rod. There are two groups of blowing fans, and the two groups of blowing fans are spaced apart along the lower end of the support rod. By combining the two groups of blowing fans, when the fast food box is dried in the drying chamber, the two groups of blowing fans blow downwards to remove moisture on the surface of the fast food box, thereby cooperating with multiple groups of heating plates to dry the fast food box.

[0011] Preferably, the control component includes a drive box and a transmission switch seat, the transmission switch seat is located on one side of the drive box, and the interior of the drive box is provided with an ultrasonic drive module, a slide drive module, a heating drive module and a fan drive module in sequence. The surface of the drive box is provided with a digital display screen, and one side of the digital display screen is provided with a fan switch, a cleaning switch and a heating switch in sequence. The surface of the transmission switch seat is provided with a switch slot, and the interior of the switch slot is provided with a switch pull rod. Through the combination of the fan switch, the cleaning switch, the heating switch and the switch pull rod, the staff presses the cleaning switch to control the start of the ultrasonic drive module, thereby driving multiple groups of ultrasonic vibrating rods to vibrate. After cleaning is completed, the switch pull rod is pushed to make the slide drive module drive the loading frame to slide along the transmission slide rail through the slide slot. Pressing the heating switch makes the heating drive module drive multiple groups of heating plates to work. Pressing the fan switch makes the fan drive module drive the blowing component to work, and at the same time, the corresponding drying data is displayed on the digital display screen.

[0012] Beneficial effects of the utility model:

[0013] 1. By combining multiple sets of heating plates, after the fast food boxes are cleaned in the cleaning bin, they can slide into the drying bin through multiple sets of conveyor slides, and the temperature of the drying bin can be increased by heating through multiple sets of heating plates. The evaporation of moisture in the fast food boxes can be accelerated while sterilizing at high temperature. By combining the water inlet hole, multiple sets of ultrasonic vibrating rods and the drain port, the staff can inject pure water into the cleaning bin through the water inlet hole, and then separate the fast food boxes and oil stains in the cleaning bin through the vibration of multiple sets of ultrasonic vibrating rods, thereby achieving the purpose of cleaning the fast food boxes. By combining the support frame with multiple sets of slides, the staff can put the fast food boxes into the loading frame through the slide along the conveyor slide to the cleaning bin for cleaning, and after cleaning, they can slide into the drying bin through the slide along the conveyor slide to remove moisture, dry and sterilize. By combining the leakage hole and the drainage trough, the moisture in the fast food boxes can flow back into the cleaning bin through the drainage trough and the leakage hole when the fast food boxes are drying.

[0014] 2. By combining multiple sets of enclosures and fixed piles, the fast food boxes are fixed and limited to prevent the fast food boxes from falling out of the loading frame when sliding. By combining two sets of blowing fans, when the fast food boxes are dried in the drying chamber, the two sets of blowing fans blow downward to remove moisture from the surface of the fast food boxes, thereby cooperating with multiple sets of heating plates to dry the fast food boxes. By combining the fan switch, cleaning switch, heating switch and switch pull rod, the staff presses the cleaning switch to control the ultrasonic drive module to start, thereby driving multiple sets of ultrasonic vibrating rods to vibrate. After cleaning is completed, the switch pull rod is pushed to enable the slide drive module to drive the loading frame to slide along the conveying slide rail through the slide groove, press the heating switch to enable the heating drive module to drive the multiple sets of heating plates to work, and press the fan switch to enable the fan drive module to drive the blowing component to work. At the same time, the corresponding drying data is displayed on the digital display screen, which solves the problem of existing cleaning and drying equipment. During use, the fast food boxes are usually only cleaned by flushing with a nozzle, and the corners of the fast food boxes usually have cleaning dead corners that need to be flushed repeatedly. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0016] Figure 2 This is a schematic diagram of the present invention from another angle;

[0017] Figure 3 This is a schematic diagram of the blowing assembly of the present utility model;

[0018] Figure 4 This is a schematic diagram of the loading frame of the present utility model.

[0019] Explanation of reference numerals: 1. cleaning box; 101. cleaning chamber; 102. drying chamber; 103. partition; 104. conveying trough; 105. conveying slide rail; 106. heating plate; 107. sealing chamber door; 108. ultrasonic vibrating rod; 109. drainage trough; 110. water inlet; 111. fan slot; 2. loading frame; 201. support frame; 202. embedded groove; 203. slide; 204. drainage outlet; 205. fixing pile; 206. slot; 207. enclosure; 208. through hole; 209. water leakage hole; 3. blowing assembly; 301. support rod; 302. protective net; 303. blowing fan; 4. Control assembly; 401. Drive box; 402. Digital display; 403. Fan switch; 404. Cleaning switch; 405. Heating switch; 406. Transmission switch seat; 407. Switch slot; 408. Switch lever. DETAILED DESCRIPTION

[0020] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0021] See also Figure 1-2The utility model provides an embodiment: a cleaning and drying device for the production and processing of fast food boxes, comprising a cleaning box 1, a loading frame 2, a blowing component 3 and a control component 4. The interior of the cleaning box 1 is respectively provided with a cleaning chamber 101 and a drying chamber 102. The drying chamber 102 is located above the cleaning chamber 101. The interior of the cleaning chamber 101 is provided with a loading frame 2 for loading fast food boxes. The loading frame 2 includes a support frame 201 and a fixing pile 205; the top of the drying chamber 102 is provided with a blowing component 3 for blowing away moisture from the fast food boxes, and one side of the cleaning box 1 is provided with a control component 4 for controlling the operation of each component.

[0022] Please continue reading Figure 1-2 104 , and the lower ends of the multiple transmission slides 105 extend through the transmission trough 104 to the interior of the cleaning chamber 101. Multiple sets of heating plates 106 are provided between the multiple transmission slides 105. Through the combination of the multiple sets of heating plates 106, after the fast food box is cleaned in the cleaning chamber 101, it can slide into the drying chamber 102 through the multiple sets of transmission slides 105. The temperature of the drying chamber 102 is increased by heating the multiple sets of heating plates 106, and the high temperature sterilization accelerates the evaporation of water in the fast food box. Multiple groups of ultrasonic vibrating rods 108, a drain outlet 204 is provided at the bottom of the cleaning chamber 101, a drain valve is provided inside the drain outlet 204, a water inlet hole 110 is provided on the rear end side wall of the cleaning chamber 101, and a water inlet joint is provided at the rear end of the water inlet hole 110, a fan slot 111 is provided on the top of the drying chamber 102, and the front ends of the cleaning chamber 101 and the drying chamber 102 are both provided with a chamber opening, and a sealed chamber door 107 is provided to match the chamber opening, and the chamber opening and the sealed chamber door 107 are matched and snapped together, through the water inlet hole 110, multiple groups of ultrasonic vibrating rods 108 and the drain outlet 204 are combined, so that the staff can inject pure water into the cleaning chamber 101 through the water inlet hole 110, and then separate the fast food box and the oil stain in the cleaning chamber 101 through the vibration of multiple groups of ultrasonic vibrating rods 108, thereby achieving the purpose of cleaning the fast food box.

[0023] See also Figure 1-3In this embodiment, the blowing assembly 3 includes a support rod 301 and a blowing fan 303. The support rod 301 is mounted on the upper end of the fan slot 111. Protective nets 302 for closing the top of the fan slot 111 are provided on both sides of the support rod 301. There are two groups of blowing fans 303. The two groups of blowing fans 303 are arranged at intervals along the lower end of the support rod 301. Through the combination of the two groups of blowing fans 303, when the fast food box is dried in the drying chamber 102, the two groups of blowing fans 303 blow downward to remove moisture on the surface of the fast food box, thereby cooperating with the multiple groups of heating plates 106 to dry the fast food box. The control assembly 4 includes a drive box 401 and a transmission switch seat 406. The transmission switch seat 406 is located on one side of the drive box 401. The interior of the drive box 401 is sequentially provided with an ultrasonic drive module (ultrasonic drive module model is CPX2800), a slide drive module (slide drive module model is SHS10S), and a heating drive module (heating drive module model is Fuji Electric). PXZ4) and fan drive module (fan drive module model is Siemens SINAMICS G120), a digital display screen 402 is provided on the surface of the drive box 401, and a fan switch 403, a cleaning switch 404 and a heating switch 405 are provided on one side of the digital display screen 402 in sequence. A switch slot 407 is provided on the surface of the conveying switch seat 406, and a switch pull rod 408 is provided inside the switch slot 407. Through the combination of the fan switch 403, the cleaning switch 404, the heating switch 405 and the switch pull rod 408, the staff presses the cleaning switch 404 to control the ultrasonic driving module to start, thereby driving the multiple groups of ultrasonic vibration rods 108 to vibrate. After the cleaning is completed, the switch pull rod 408 is pushed to enable the slide drive module to drive the loading frame 2 to slide along the conveying slide rail 105 through the slide slot 203. Pressing the heating switch 405 enables the heating drive module to drive the multiple groups of heating plates 106 to work. Pressing the fan switch 403 enables the fan drive module to drive the blowing component 3 to work. At the same time, the corresponding drying data is displayed on the digital display screen 402.

[0024] See also Figure 1-4In this embodiment, both sides of the support frame 201 are linearly provided with multiple sets of slide grooves 203, and the slide grooves 203 are matched with the conveying slide rails 105. The support frame 201 slides up and down along the conveying slide rails 105 through the slide grooves 203. The surface of the support frame 201 is provided with an embedded groove 202, and the edge of the embedded groove 202 is provided with multiple sets of drainage grooves 109. The bottom of the embedded groove 202 is linearly provided with multiple sets of leakage holes 209. By combining the support frame 201 with the multiple sets of slide grooves 203, when the staff puts the fast food box into the loading frame 2, it can be placed in the cleaning bin 101 for cleaning through the slide grooves 203 along the conveying slide rails 105, and after cleaning, it can be placed in the cleaning bin 101 for cleaning through the slide grooves 203 along the conveying slide rails 1 05 slides into the drying chamber 102 to remove moisture, dry and sterilize. Through the combination of the water leakage hole 209 and the drainage groove 109, when the fast food box is drying, moisture can flow back to the cleaning chamber 101 through the drainage groove 109 and the water leakage hole 209. Fixed piles 205 are provided at the corners of the embedded groove 202. Two groups of slots 206 are provided at the outer ends of the fixed piles 205. Multiple groups of panels 207 are provided between the multiple groups of fixed piles 205. The two ends of the panels 207 extend into the interior of the slots 206 respectively. The surface of the panels 207 is provided with multiple groups of through holes 208. The combination of multiple groups of panels 207 and the fixed piles 205 can play a role in fixing and limiting the fast food box, preventing the fast food box from falling outside the loading frame 2 when the loading frame 2 slides.

[0025] During the work, the staff first places the fast food box in the loading frame 2 , then closes the sealed compartment door 107 , and injects clean water into the cleaning compartment 101 through the water inlet 110 .

[0026] The staff presses the cleaning switch 404 to control the ultrasonic drive module to start, thereby driving multiple sets of ultrasonic vibration rods 108 to vibrate and separate the fast food box from the oil stains in the cleaning chamber 101, thereby achieving the purpose of cleaning the fast food box, and then opens the drain valve to discharge the cleaning water in the cleaning chamber 101.

[0027] After the cleaning is completed, the staff pushes the switch lever 408 to make the slide rail drive module drive the loading frame 2 to slide through the slide groove 203 along the conveying slide rail 105 into the drying chamber 102, and then presses the heating switch 405 to make the heating drive module drive the multiple groups of heating plates 106 to work, so that the temperature of the multiple groups of heating plates 106 is increased, thereby increasing the temperature of the drying chamber 102, and accelerating the evaporation of moisture in the fast food box while sterilizing at high temperature. Press the fan switch 403 to make the fan drive module drive the blowing component 3 to work, so that when the fast food box is dried in the drying chamber 102, the two groups of blowing fans 303 blow away the moisture on the surface of the fast food box downwards, thereby cooperating with the multiple groups of heating plates 106 to dry the fast food box.

[0028] According to the above steps, the staff first places the fast food box in the loading frame 2, then injects clean water into the cleaning chamber 101, and then uses multiple sets of ultrasonic vibrating rods 108 to vibrate to separate the fast food box and the oil stains in the cleaning chamber 101, thereby cleaning the fast food box. Then, the loading frame 2 slides along the conveying slide rail 105 through the slide groove 203 to the drying chamber 102, and the temperature is increased by the multiple sets of heating plates 106, which plays a role in high-temperature sterilization and accelerates the evaporation of moisture in the fast food box. At the same time, two sets of blowing fans 303 blow away the moisture on the surface of the fast food box, and cooperate with the multiple sets of heating plates 106 to dry the fast food box.

[0029] The embodiments of the present invention are described in detail above with reference to the accompanying drawings. However, the present invention is not limited to the above embodiments. Various changes can be made within the scope of knowledge possessed by those skilled in the art without departing from the purpose of the present invention.

Claims

1. A cleaning and drying device for producing and processing fast food boxes, comprising a cleaning box (1); characterized in that: The invention also includes a loading frame (2), a blowing component (3) and a control component (4). A cleaning chamber (101) and a drying chamber (102) are respectively provided inside the cleaning box (1). The drying chamber (102) is located above the cleaning chamber (101). A loading frame (2) for loading fast food boxes is provided inside the cleaning chamber (101). The loading frame (2) includes a support frame (201) and a fixing pile (205). A blowing component (3) for blowing away moisture from the fast food boxes is provided on the top of the drying chamber (102). A control component (4) for controlling the operation of each component is provided on one side of the cleaning box (1).

2. The cleaning and drying equipment for producing and processing fast food boxes according to claim 1, characterized in that: A partition (103) is provided between the drying chamber (102) and the cleaning chamber (101), a conveying groove (104) is provided at the center of the partition (103), the drying chamber (102) and the cleaning chamber (101) are connected to each other through the conveying groove (104), and a plurality of conveying slide rails (105) are provided on both side walls of the drying chamber (102), the lower ends of the plurality of conveying slide rails (105) pass through the conveying groove (104) and extend to the interior of the cleaning chamber (101), and a plurality of heating plates (106) are provided between the plurality of conveying slide rails (105).

3. The cleaning and drying equipment for producing and processing fast food boxes according to claim 2, characterized in that: A plurality of groups of ultrasonic vibrating rods (108) are linearly provided on both side walls of the cleaning chamber (101), a drain outlet (204) is provided at the bottom of the cleaning chamber (101), a drain valve is provided inside the drain outlet (204), a water inlet hole (110) is provided on the rear end side wall of the cleaning chamber (101), a water inlet joint is provided at the rear end of the water inlet hole (110), a fan slot (111) is provided on the top of the drying chamber (102), and a chamber opening is provided at the front end of each of the cleaning chamber (101) and the drying chamber (102), a sealed chamber door (107) is provided to match the chamber opening, and the chamber opening and the sealed chamber door (107) are matched and buckled.

4. The cleaning and drying equipment for producing and processing fast food boxes according to claim 2, characterized in that: Both sides of the support frame (201) are linearly provided with multiple groups of slide grooves (203), the slide grooves (203) and the transmission slide rails (105) are matched with each other, and the support frame (201) slides up and down along the transmission slide rails (105) through the slide grooves (203). The surface of the support frame (201) is provided with an embedded groove (202), and multiple groups of drainage grooves (109) are provided at the edge of the embedded groove (202). The bottom of the embedded groove (202) is linearly provided with multiple groups of leakage holes (209).

5. The cleaning and drying equipment for producing and processing fast food boxes according to claim 4, characterized in that: A fixing pile (205) is provided at each corner of the embedded groove (202), two groups of slots (206) are provided at the outer ends of the fixing pile (205), and multiple groups of panels (207) are provided between the multiple groups of fixing piles (205). The two ends of the panels (207) extend into the interior of the slots (206), and the surface of the panels (207) is provided with multiple groups of through holes (208).

6. The cleaning and drying equipment for producing and processing fast food boxes according to claim 3, characterized in that: The blowing assembly (3) includes a support rod (301) and a blowing fan (303). The support rod (301) is mounted on the upper end of the fan slot (111). Protective nets (302) for closing the top of the fan slot (111) are provided on both sides of the support rod (301). Two groups of blowing fans (303) are provided, and the two groups of blowing fans (303) are spaced apart along the lower end of the support rod (301).

7. The cleaning and drying equipment for producing and processing fast food boxes according to claim 1, characterized in that: The control component (4) includes a drive box (401) and a transmission switch seat (406), the transmission switch seat (406) is located on one side of the drive box (401), and the interior of the drive box (401) is provided with an ultrasonic drive module, a slide rail drive module, a heating drive module and a fan drive module in sequence, a digital display screen (402) is provided on the surface of the drive box (401), and a fan switch (403), a cleaning switch (404) and a heating switch (405) are provided on one side of the digital display screen (402), a switch slot (407) is provided on the surface of the transmission switch seat (406), and a switch pull rod (408) is provided inside the switch slot (407).