Trolley automatic cleaning line

Abstract

The application discloses a trolley automatic cleaning line, which comprises a feeding machine, a buffer machine, a cleaning machine, a drying machine and a discharging machine, the cleaning machine and the drying machine are integrated, a plurality of groups of the buffer machines are arranged at positions, the feeding machine, the buffer machine, the cleaning machine, the drying machine and the discharging machine movably have trolley bodies, the feeding machine and the discharging machine are respectively arranged at both end positions, the trolley body comprises a trolley frame and a clamping block, the clamping block comprises a handle, a connecting rod mechanism, a clamping block, a pressing point, a first limiting block and an elastic clamp, the trolley frame is conveyed to the feeding machine through a slope platform, and the clamping block positions the door of the trolley frame. The trolley automatic cleaning line is integrated and cleaned through feeding, cleaning, drying and discharging stations, automatic cleaning is realized, manual operation is not needed, safety is improved, labor cost is reduced, cleaning efficiency is improved and cleaning effect is improved.

Description

Technical Field

[0001] This invention relates to the field of trolley cleaning, and in particular to an automatic trolley cleaning line. Background Technology

[0002] An automatic trolley cleaning line is a device for cleaning trolleys. Trolleys are commonly used turnover carts in the 3C industry, which can store a certain number of products and their carriers, provide parts for the production line, and realize the function of automatic batch loading and unloading without manual intervention. When used in a cleanroom, the carriers and support strips on the trolleys will rub against each other during loading and unloading, generating dust, which can contaminate and damage the products. Therefore, the trolleys need to be cleaned frequently to remove dust, and there are a large number of trolleys. With the continuous development of technology, people's requirements for trolley cleaning processes are also getting higher and higher.

[0003] Existing trolley cleaning lines have certain drawbacks. Currently, trolley cleaning relies entirely on manual cleaning using lint-free cloths and alcohol, which consumes a lot of manpower, is labor-intensive, inefficient, and the cleaning quality is determined by the subjective consciousness of the personnel, which can easily lead to cleaning quality problems and product defects, thus causing certain adverse effects on the user experience. Therefore, we propose an automatic trolley cleaning line. Summary of the Invention

[0004] (a) Technical problems to be solved

[0005] To address the shortcomings of existing technologies, this invention provides an automated trolley cleaning line that integrates loading, cleaning, drying, and unloading processes into a single, automated process. This eliminates the need for manual labor, enhances safety, reduces labor costs, improves cleaning efficiency, and increases cleaning effectiveness, effectively solving the problems described in the prior art.

[0006] (II) Technical Solution

[0007] To achieve the above objectives, the technical solution adopted by the present invention is as follows: an automatic trolley cleaning line, including a feeder, a buffer machine, a cleaning machine, a dryer, and a discharge machine. The cleaning machine and the dryer are integrated into one unit. Multiple sets of buffer machines are arranged in different positions. A trolley body is movably mounted on the feeder, buffer machine, cleaning machine, dryer, and discharge machine. The feeder and discharge machine are located at both ends.

[0008] As a preferred technical solution of this application, the trolley body includes a trolley frame and a clamping block. The clamping block includes a handle, a linkage mechanism, a locking block, a pressing point, a first limiting block, and an elastic clamp. The trolley frame is conveyed and pushed into the loading machine via an inclined platform. The clamping block positions the door of the trolley frame. The clamping block adopts an elbow clamping structure. The locking block is locked onto the lower crossbeam of the trolley frame. The first limiting block and the elastic clamp can lock the door of the trolley frame. When the handle is pressed down, the locking point is pressed against the front side of the lower crossbeam of the trolley frame through the linkage mechanism.

[0009] As a preferred technical solution of this application, the loading machine includes a ramp platform, a first safety light curtain, a limiting groove, a first translation mechanism, a guiding mechanism, a start button, a lifting cylinder, an induction check valve, and a top frame. The trolley frame is pushed onto the loading machine, and the four universal wheels at the bottom of the trolley frame are limited by the limiting groove. The start button controls the first translation mechanism to pull the trolley frame to a designated position. The lifting cylinder and the guiding mechanism raise the trolley frame to a designated height. The first translation mechanism sends the trolley frame out through the lifting cylinder. The first translation mechanism consists of a linear slide rail, a driven sprocket, a grooved photoelectric sensor, a drag chain, a lifting mechanism, a proximity switch, a drive sprocket, a stepper motor, and a second limiting block. The lifting mechanism can clamp the lower crossbeam of the trolley frame and transport the trolley frame by driving the chain through the stepper motor.

[0010] As a preferred technical solution of this application, the buffer machine adopts a modular structure and is composed of a frame, a second translation mechanism, shafts, a photoelectric detection mechanism, a blocking mechanism, a polyurethane strip, and feet.

[0011] As a preferred technical solution of this application, the cleaning machine includes a support frame, a drive base, a first dehumidifier, an air duct, a top mezzanine, a first automatic airtight door, an inspection door, a first observation window, and a reinforcing block. The drive base includes a base plate, a first rotating platform, a drive shaft, a driver, a servo motor, a high-pressure high-temperature steam nozzle, a six-axis manipulator, and a support connecting frame. The first rotating platform includes a disc base, a positioning frame, a cylinder, a telescopic cylinder, a sprocket, an adjusting slider, a telescopic mechanism, and a positioning clamp. The cleaning machine comprises an airtight cleanroom, a dehumidification system, and a cleaning mechanism. The airtight cleanroom is equipped with a first automatic airtight door, an inspection door, and a first observation window at its inlet and outlet. The airtight cleanroom adopts a fully enclosed structure. The dehumidification system consists of a first dehumidifier, air ducts, and a top mezzanine. The dry air generated after dehumidification by the first dehumidifier is blown down through the air ducts and the top mezzanine. The trolley frame is fed in by a buffer machine. The telescopic cylinder on the cleaning and translation mechanism drives the track to extend. The telescopic cylinder drives the positioning clamp to lock the front beam of the trolley frame and pull it into the telescopic mechanism. The servo motor and drive shaft drive the lower rotating platform to rotate.

[0012] As a preferred technical solution of this application, the dryer includes a support, a support rod, a frame, a second dehumidifier, a top pipe, an upper interlayer, a bottom fan, a second automatic airtight door, a second observation window, and a second rotating platform. The dryer consists of an airtight cleanroom, a dehumidification system, and a drying system. The outlet of the airtight cleanroom is composed of a second automatic airtight door and a second observation window. The airtight cleanroom adopts a fully enclosed structure. The drying system consists of a vertical frame with PTC heating and a bottom fan. The frame blows air onto various parts of the trolley frame. After dehumidification by the second dehumidifier, the dehumidified material is sent to the upper interlayer through the top pipe. After drying, the trolley frame is sent out to the buffer machine by the second rotating platform.

[0013] As a preferred technical solution of this application, the unloading machine is equipped with an unloading frame, a second safety light curtain, an emergency stop button, a lifting drive cylinder, an induction check valve, a conveying wheel, an discharge drive seat, and an unloading plate. The buffer machine sends the trolley frame to the unloading machine, and the lifting drive cylinder drives the trolley frame to descend into place. The second safety light curtain is located at the outlet, and the lifting drive cylinder is equipped with an induction check valve.

[0014] (III) Beneficial Effects

[0015] Compared with existing technologies, this invention provides an automatic trolley cleaning line with the following advantages: This automatic trolley cleaning line integrates loading, cleaning, drying, and unloading stations for integrated cleaning, automatically eliminating the need for manual labor, thus enhancing safety, reducing labor costs, improving cleaning efficiency, and increasing cleaning effectiveness. The trolley body is pushed into the loading machine by the operator via a ramp platform. The operator opens the trolley door and uses clamps to firmly secure it, preventing the door from loosening during handling, cleaning, drying, and unloading. The clamps employ an elbow clamp structure, with the clamps locking onto the lower crossbeam of the trolley body. The first limiting block and elastic clamps can hold the door in place. Pressing down the handle, a linkage mechanism presses the pressure point against the front side of the lower crossbeam of the trolley. The operator then... After the trolley body is pushed onto the loading machine, the four omnidirectional wheels at the bottom of the trolley are limited by limit grooves to prevent the trolley from falling during transportation due to the rotation of the casters. Pressing the start button, the first translation mechanism pulls the trolley body to the designated position. Under the action of the lifting cylinders on both sides and the guide mechanism, the trolley is raised to the designated height. Then, the first translation mechanism sends the trolley out through the lifting cylinder. The first translation mechanism consists of linear slide rails, driven sprockets, grooved photoelectric sensors, drag chains, lifting mechanisms, proximity switches, drive sprockets, stepper motors, and second limit blocks. The lifting mechanism can clamp the lower crossbeam of the trolley body, and the stepper motor drives the chain to realize the transportation of the trolley position. Since the loading machine adopts a semi-enclosed structure, a first safety light curtain is installed at the inlet, and the lifting cylinder is equipped with an induction check valve. When a foreign object enters the feeding machine or the emergency stop button is manually pressed, the feeding machine can immediately stop operating to ensure safety. The buffer machine adopts a modular structure and can be added or reduced according to the customer's site space. Its function is to automatically receive, store, and deliver trolleys. The buffer machine can reduce the waiting time for operators to load and unload materials and improve efficiency. The buffer machine consists of a frame, a second translation mechanism, a photoelectric detection mechanism, and a blocking mechanism. The translation mechanism can realize the functions of receiving, transporting, and delivering trolleys. The bottom is equipped with feet to adjust the height, which is convenient for docking with other equipment. The bottom of the equipment is equipped with polyurethane strips to prevent trolleys or other objects from hitting the equipment and causing damage during transportation. The cleaning machine consists of an airtight cleanroom, a dehumidification system, and a cleaning mechanism. The airtight cleanroom has an inlet and an outlet. The entrance is equipped with an automatic airtight door, inspection door, and observation window. The airtight cleanroom adopts a fully enclosed structure to prevent dust and moisture generated during the trolley cleaning process from escaping and contaminating the cleanroom environment. The dehumidification system consists of a dehumidifier, air ducts, and a top mezzanine. The high-temperature steam generated during the cleaning process is dehumidified by the dehumidifier, and the resulting dry air is blown down through the air ducts and top mezzanine to complete the circulation. The trolley body is sent in by the front buffer unit. The telescopic cylinder on the cleaning translation mechanism drives the track to extend. The translation mechanism drives the positioning clamp to lock the front beam of the trolley, pulling it into the telescopic mechanism. At this time, the three-position leakage solenoid valve controlling the telescopic cylinder is de-energized, and the cylinder is in a non-powered state. The pin on the translation mechanism inserts into the telescopic mechanism, pulling the trolley body and the telescopic mechanism together into the rotating platform.To ensure the trolley body and telescopic mechanism are synchronized and prevent the trolley body from falling, the pin on the translation mechanism retracts after positioning. The translation mechanism continues to transport the trolley into position. Driven by the servo motor and drive shaft, the rotating platform rotates, positioning the trolley body at a suitable angle to be cleaned by the six-axis robotic arm and high-pressure, high-temperature steam nozzle. After cleaning, the rotating platform sends the trolley out. The condensate generated during the high-temperature, high-pressure steam cleaning process is collected in the collection tank by the water tank on the turntable, the water tank on the base plate, and the water flow from the dehumidifier. Once the tank is full, it is detected by the liquid level sensor and pumped out by the water pump. The dryer consists of an airtight cleanroom, a dehumidification system, and a drying system. The airtight cleanroom outlet is equipped with an automatic airtight door and an observation window. The airtight cleanroom adopts a fully enclosed structure to prevent water vapor generated during the trolley drying process from overflowing. The drying system consists of a vertical belt with a PT (Potential Airflow) The system consists of a heating fan and a bottom fan. Combined with heat generated by a dehumidifier, the set temperature is reached. The fans blow air onto all parts of the trolley body. The humid air is dehumidified by the dehumidifier and then sent to the upper interlayer through a top pipe. An air outlet is located at the front of the interlayer, allowing dry air to flow down from the top, completing the circulation. The dried trolley is then transported by a rotating platform to a feeding buffer platform. The feeding buffer platform then sends the trolley body onto the feeding machine. Driven by a lifting cylinder, the trolley descends to its designated position and is pulled out by the operator. The feeding machine outlet is equipped with a safety light curtain, and the lifting cylinder is fitted with an induced check valve. During the trolley's withdrawal, if foreign objects enter the feeding machine, or if the emergency stop button is pressed, all mechanisms of the feeding machine stop, ensuring safety. The entire automatic trolley cleaning line has a simple structure, is easy to operate, and performs better than traditional methods. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the overall structure of an automatic cleaning line for trolleys according to the present invention.

[0017] Figure 2 This is a schematic diagram of the main body of the trolley in an automatic cleaning line of the present invention.

[0018] Figure 3 This is a schematic diagram of the clamping block in an automatic cleaning line for trolleys according to the present invention.

[0019] Figure 4 This is a schematic diagram of the feeding machine in an automatic trolley cleaning line according to the present invention.

[0020] Figure 5 This is a schematic diagram of the first translation mechanism in an automatic cleaning line for trolleys according to the present invention.

[0021] Figure 6 This is a schematic diagram of the buffer unit in an automatic cleaning line for trolleys according to the present invention.

[0022] Figure 7This is a schematic diagram of the cleaning machine in an automatic trolley cleaning line according to the present invention.

[0023] Figure 8 This is a schematic diagram of the drive base in an automatic cleaning line for trolleys according to the present invention.

[0024] Figure 9 This is a schematic diagram of the rotating platform in an automatic cleaning line for trolleys according to the present invention.

[0025] Figure 10 This is a schematic diagram of the dryer in an automatic trolley cleaning line according to the present invention.

[0026] Figure 11 This is a schematic diagram of the unloading machine in an automatic trolley cleaning line according to the present invention.

[0027] In the diagram: 1. Main body of the trolley; 101. Trolley frame; 102. Clamping block; 10201. Handle; 10202. Linkage mechanism; 10203. Locking block; 10204. Pressing point; 10205. First limit block; 10206. Elastic clamp; 2. Feeder; 201. Inclined platform; 202. First safety light curtain; 203. Limiting groove; 204. First translation mechanism; 20401. Linear slide rail; 20402. Driven sprocket; 20403. Channel photoelectric sensor; 20404. Cable drag chain; 20405. Lifting mechanism; 20406. Proximity switch; 2040 7. Drive sprocket; 20408. Stepper motor; 20409. Second limit block; 205. Guide mechanism; 206. Start button; 207. Lifting cylinder; 208. Induction check valve; 209. Top frame; 3. Buffer machine; 301. Frame; 302. Second translation mechanism; 303. Shaft; 304. Photoelectric detection mechanism; 305. Blocking mechanism; 306. Polyurethane strip; 307. Foot cup; 4. Cleaning machine; 401. Support frame; 402. Drive base; 40201. Base plate; 40202. First rotating platform; 4020201. Disc base; 4 020202, Positioning frame; 4020203, Cylinder body; 4020204, Telescopic cylinder; 4020205, Sprocket; 4020206, Adjusting slider; 4020207, Telescopic mechanism; 4020208, Positioning clamp; 40203, Drive shaft; 40204, Driver; 40205, Servo motor; 40206, High-pressure high-temperature steam nozzle; 40207, Six-axis robot; 40208, Support connecting frame; 403, First dehumidifier; 404, Air duct; 405, Top mezzanine; 406, First automatic airtight door; 407, Inspection... 408. Door; 409. First observation window; 401. Reinforcing block; 5. Dryer; 501. Support; 502. Support rod; 503. Frame; 504. Second dehumidifier; 505. Top pipe; 506. Upper mezzanine; 507. Bottom fan; 508. Second automatic airtight door; 509. Second observation window; 510. Second rotating platform; 6. Feeding machine; 601. Feeding rack; 602. Second safety light curtain; 603. Emergency stop button; 604. Lifting drive cylinder; 605. Induction check valve; 606. Conveyor wheel; 607. Discharge drive seat; 608. Feeding plate. Detailed Implementation

[0028] The technical solution of the present invention will be clearly and completely described below with reference to the accompanying drawings and specific embodiments. However, those skilled in the art will understand that the embodiments described below are some embodiments of the present invention, but not all embodiments, and are only used to illustrate the present invention, and should not be regarded as limiting the scope of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention. Where specific conditions are not specified in the embodiments, conventional conditions or conditions recommended by the manufacturer shall be followed. Where the manufacturers of reagents or instruments are not specified, they are all conventional products that can be purchased commercially.

[0029] In the description of this invention, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing the invention and for simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on the invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0030] In the description of this invention, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "linking" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this invention based on the specific circumstances.

[0031] like Figure 1-7 As shown, an automatic trolley cleaning line includes a feeder 2, a buffer machine 3, a cleaning machine 4, a dryer 5, and a discharge machine 6. The cleaning machine 4 and the dryer 5 are integrated. Multiple buffer machines 3 are arranged in positions. A trolley body 1 is movably mounted on the feeder 2, buffer machine 3, cleaning machine 4, dryer 5, and discharge machine 6. The feeder 2 and discharge machine 6 are located at both ends, respectively. They pass through the feeding, cleaning, drying, and discharge stations to perform integrated cleaning. The cleaning is automatic, requiring no manual labor, which is safer, reduces labor costs, improves cleaning efficiency, and enhances cleaning effect.

[0032] Furthermore, the trolley body 1 includes a trolley frame 101 and a clamping block 102. The clamping block 102 includes a handle 10201, a linkage mechanism 10202, a locking block 10203, a pressing point 10204, a first limiting block 10205, and an elastic clamp 10206. The trolley frame 101 is conveyed and pushed into the feeder 2 via the inclined platform 201. The clamping block 102 positions the door of the trolley frame 101. The clamping block 102 adopts an elbow clamp structure. The locking block 10203 is clamped on the lower middle crossbeam of the trolley frame 101. The first limiting block 10204... 5. The elastic clamp 10206 can lock the door of the trolley frame 101. Press down the handle 10201, and press the pressure point 10204 on the front side of the lower crossbeam of the trolley frame 101 through the linkage mechanism 10202. The operator opens the trolley door and uses the clamp block 102 to firmly fix the door, so that the door does not loosen during the transportation, cleaning, drying and unloading of the trolley body 1. After the operator pushes the trolley body 1 onto the loading machine 2, the four universal wheels at the bottom of the trolley are restricted by the limit groove 203 to prevent the casters from rotating and causing the trolley to fall during transportation.

[0033] Furthermore, the loading machine 2 includes an inclined platform 201, a first safety light curtain 202, a limiting groove 203, a first translation mechanism 204, a guiding mechanism 205, a start button 206, a lifting cylinder 207, a first induction check valve 208, and a top frame 209. The trolley frame 101 is pushed onto the loading machine 2, and its four casters are limited by the limiting groove 203. The start button 206 controls the first translation mechanism 204 to pull the trolley frame 101 to a designated position. The lifting cylinder 207 and the guiding mechanism 205 raise the trolley frame 101 to a designated height. The first translation mechanism 204 then sends the trolley frame 101 out via the lifting cylinder 207. The first translation mechanism 204... The feeder 2 is composed of a linear guide rail 20401, a driven sprocket 20402, a grooved photoelectric sensor 20403, a drag chain 20404, a lifting mechanism 20405, a proximity switch 20406, a drive sprocket 20407, a stepper motor 20408, and a second limit block 20409. The lifting mechanism 20405 can clamp the lower crossbeam of the trolley frame 101 and drive the chain to transport the trolley frame 101 through the stepper motor 20408. Since the feeder 2 adopts a semi-enclosed structure, a first safety light curtain 202 is provided at the inlet, and a first induction check valve 208 is installed on the lifting cylinder 207. When a foreign object enters the feeder 2 or the emergency stop button is pressed manually, the feeder 2 can stop immediately to ensure safety.

[0034] Furthermore, the buffer unit 3 adopts a modular structure and consists of a frame 301, a second translation mechanism 302, a shaft 303, a photoelectric detection mechanism 304, a blocking mechanism 305, a polyurethane strip 306, and feet 307. The translation mechanism can realize the functions of receiving, transporting, and sending out the trolley. The bottom is equipped with feet 307 to adjust the height, which is convenient for docking with other equipment. The bottom of the equipment is equipped with a polyurethane strip 306 to prevent the trolley or other items from hitting the equipment during transportation and causing damage.

[0035] Furthermore, the cleaning machine 4 includes a support frame 401, a drive base 402, a first dehumidifier 403, an air duct 404, a top mezzanine 405, a first automatic airtight door 406, an inspection door 407, a first observation window 408, and a reinforcing block 409. The drive base 402 includes a base plate 40201, a first rotating platform 40202, a drive shaft 40203, a driver 40204, a servo motor 40205, a high-pressure, high-temperature steam nozzle 40206, a six-axis robotic arm 40207, and a support connecting frame 40208. The first rotating platform 40202 includes a disc base 4020201. The cleaning machine 4 consists of a positioning frame 4020202, a cylinder 4020203, a telescopic cylinder 4020204, a sprocket 4020205, an adjusting slider 4020206, a telescopic mechanism 4020207, and a positioning clamping block 4020208. The cleaning machine 4 comprises an airtight cleanroom, a dehumidification system, and a cleaning mechanism. The airtight cleanroom is equipped with a first automatic airtight door 406, a maintenance door 407, and a first observation window 408 at both the inlet and outlet. The airtight cleanroom adopts a fully enclosed structure. The dehumidification system consists of a first dehumidifier 403, an air duct 404, and a top interlayer 405. The first dehumidifier 403 dehumidifies the air, and the resulting air... Dry air is blown down through duct 404 and top interlayer 405, and fed into trolley frame 101 by buffer machine 3. Telescopic cylinder 4020204 on the cleaning translation mechanism drives the track to extend, and telescopic cylinder 4020204 drives positioning clamp 4020208 to lock the front beam of trolley frame 101 and pull it into telescopic mechanism 4020207. Servo motor 40205 and drive shaft 40203 drive the lower rotating platform to rotate. The dryer 5 includes support 501, support rod 502, frame 503, second dehumidifier 504, top pipe 505, upper interlayer 506, bottom fan 507, and second automatic The dryer 5 consists of an airtight cleanroom, a dehumidification system, and a drying system. The airtight cleanroom outlet is assembled with the second automatic airtight door 508 and the second observation window 509. The airtight cleanroom adopts a fully enclosed structure. The drying system consists of a vertical frame 503 with PTC heating and a bottom fan 507. The frame 503 blows air onto various parts of the trolley frame 101. After dehumidification by the second dehumidifier 504, the dehumidified material is sent to the upper interlayer 506 through the top pipe 505. After drying, the trolley frame 101 is sent out to the buffer machine 3 by the second rotating platform 510.

[0036] Furthermore, the unloading machine 6 is equipped with an unloading frame 601, a second safety light curtain 602, an emergency stop button 603, a lifting drive cylinder 604, a second induction check valve 605, a conveying wheel 606, a discharge drive seat 607, and an unloading plate 608. The buffer machine 3 sends the trolley frame 101 onto the unloading machine 6. The lifting drive cylinder 604 drives the trolley frame 101 to descend into place. The second safety light curtain 602 is located at the outlet. The lifting drive cylinder 604 is equipped with a second induction check valve 605. During the trolley pulling out, when foreign objects enter the unloading machine, or when the emergency stop button 603 is pressed, all mechanisms of the unloading machine stop operating to ensure safety.

[0037] Working Principle: This invention mainly consists of a trolley body 1, a feeding machine 2, a buffer machine 3, a washing machine 4, a drying machine 5, and a discharging machine 6. The trolley body 1 is pushed into the feeding machine 2 by the operator via the inclined platform 201. The operator opens the trolley door and uses clamping blocks 102 to firmly fix the door, ensuring that the door does not loosen during the handling, washing, drying, and discharging processes. The clamping blocks 102 adopt an elbow clamping structure, with locking blocks 10203 locking onto the lower crossbeam of the trolley body 1. The first limiting block 10205 and the elastic clamp 10206 can lock the door. Pressing down the handle 10201 presses the pressing point 10204 against the front side of the lower crossbeam of the trolley through the linkage mechanism 10202. After the operator pushes the trolley body 1 onto the feeding machine 2, the four universal wheels at the bottom of the trolley are limited. The groove 203 restricts the movement of the trolley, preventing it from falling due to caster rotation during transport. Pressing the start button 206 activates the first translation mechanism 204, which pulls the trolley body 1 to the designated position. Under the action of the side lifting cylinders 207 and the guide mechanism 205, the trolley is raised to a designated height. Then, the first translation mechanism 204 sends the trolley out via the lifting cylinders 207. The first translation mechanism 204 consists of a linear slide rail 20401, a driven sprocket 20402, a groove-shaped photoelectric sensor 20403, a drag chain 20404, a lifting mechanism 20405, a proximity switch 20406, a drive sprocket 20407, a stepper motor 20408, and a second limit block 20409. The lifting mechanism 20405 can clamp the lower crossbeam of the trolley body 1, and the stepper motor 204... The 08 drive chain enables the conveying of the trolley position. Since the feeder 2 adopts a semi-enclosed structure, a first safety light curtain 202 is installed at the inlet, and a first induction check valve 208 is installed on the lifting cylinder 207. When a foreign object enters the feeder 2 or the emergency stop button is manually pressed, the feeder 2 can immediately stop to ensure safety. The buffer machine 3 adopts a modular structure and can be added or removed according to the customer's site space. Its function is to automatically receive, store, and send out trolleys. The buffer machine can reduce the waiting time for operators to load and unload materials, improving efficiency. The buffer machine consists of a frame 301, a second translation mechanism 302, a photoelectric detection mechanism 304, and a blocking mechanism 305. The translation mechanism can realize the functions of receiving, transporting, and sending out trolleys. The bottom is equipped with feet 307 for height adjustment. To facilitate integration with other equipment, the bottom of the equipment is equipped with polyurethane strips 306 to prevent damage from impacts during transport by the trolley or other items. The cleaning machine 4 consists of an airtight cleanroom, a dehumidification system, and a cleaning mechanism. The airtight cleanroom is equipped with automatic airtight doors 406, inspection doors 407, and observation windows 408 at the inlet and outlet. The airtight cleanroom adopts a fully enclosed structure to prevent dust and moisture generated during the trolley cleaning process from escaping and contaminating the cleanroom environment. The dehumidification system consists of a dehumidifier 403, air ducts 404, and a top interlayer 405. The high-temperature steam during the cleaning process is dehumidified by the dehumidifier 403, and the resulting dry air is blown down through the air ducts 404 and the top interlayer 405 to complete the circulation. The trolley body 1 is fed in by the front buffer machine 3.The telescopic cylinder 4020204 on the cleaning translation mechanism drives the track to extend, and the translation mechanism 4020204 drives the positioning clamp 4020208 to lock the front beam of the trolley, pulling it onto the telescopic mechanism 4020207. At this time, the three-position leakage solenoid valve controlling the telescopic cylinder 4020204 is de-energized, and the cylinder is in a non-powered state. The pin on the translation mechanism inserts into the telescopic mechanism 4020207, pulling the trolley body 1 and the telescopic mechanism 4020207 together onto the rotating platform, ensuring that the trolley body 1 and the telescopic mechanism 4020207 are synchronized and preventing the trolley from tilting. After the trolley body 1 falls into place and the pin on the translation mechanism retracts, the translation mechanism continues to transport the trolley to its position. Driven by the servo motor 40205 and drive shaft 40203, the rotating platform rotates, positioning the trolley body 1 at a suitable angle to clean it in conjunction with the six-axis robotic arm 40207 and the high-pressure high-temperature steam nozzle 40206. After cleaning, the rotating platform 40202 sends the trolley out. The condensate generated during the high-temperature and high-pressure steam cleaning process is collected in the collection tank by the water tanks on the turntable, the base plate, and the dehumidifier. Once the collection tank is full, it is detected by the liquid level sensor. The water is pumped out. The dryer 4 consists of an airtight clean room, a dehumidification system, and a drying system. The airtight clean room is equipped with an automatic airtight door 508 and an observation window 509 at the discharge port. The airtight clean room adopts a fully enclosed structure to prevent water vapor generated during the drying process of the trolley from escaping. The drying system consists of a vertical fan 503 with PTC heating and a bottom fan 507. In addition, the heat generated by the dehumidifier reaches the set temperature. The fan blows air to various parts of the trolley body 1. The humid air is dehumidified by the dehumidifier 504 and then sent to the upper interlayer 506 through the top pipe 505. The machine is equipped with an air outlet. Dry air flows down from the top through the outlet, completing the circulation. After drying, the trolley is sent out by the rotating platform 510 to the unloading buffer platform 3. The unloading buffer platform 3 then sends the trolley body 1 to the unloading machine 6. Driven by the lifting drive cylinder 604, the trolley descends to its position and is pulled out by the operator. The unloading machine outlet is equipped with a safety light curtain 602, and the lifting drive cylinder 604 is equipped with a second induction check valve 605. During the trolley's unloading process, when foreign objects enter the unloading machine, or when the emergency stop button 603 is pressed, all mechanisms of the unloading machine stop operating to ensure safety.

[0038] It should be noted that, in this document, relational terms such as first and second (number one, number two), etc., are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.

[0039] The foregoing has shown and described the basic principles, main features, and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of the invention. Various changes and modifications can be made to the invention without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed invention.

Claims

1. An automatic trolley cleaning line, comprising a feeder (2), a buffer machine (3), a cleaning machine (4), a dryer (5), and a discharge machine (6), characterized in that: The cleaning machine (4) and the dryer (5) are integrated. The buffer machine (3) is arranged in multiple positions. The trolley body (1) is movably arranged on the feeding machine (2), the buffer machine (3), the cleaning machine (4), the dryer (5), and the unloading machine (6). The feeding machine (2) and the unloading machine (6) are located at the two ends respectively. The trolley body (1) includes a trolley frame (101) and a clamping block (102). The clamping block (102) includes a handle (10201), a linkage mechanism (10202), a locking block (10203), a pressing point (10204), a first limiting block (10205), and an elastic clamp (10206). The trolley frame (101) is conveyed and pushed into the loading machine (2) via the inclined platform (201). The clamping block (102) positions the trolley. The position of the door of the frame (101), the clamp (102) adopts an elbow clamp structure, the card block (10203) is clamped on the lower crossbeam of the trolley frame (101), the first limiting block (10205) and the elastic clamp (10206) can clamp the door of the trolley frame (101), the handle (10201) is pressed down, and the pressing point (10204) is pressed on the front side of the lower crossbeam of the trolley frame (101) through the linkage mechanism (10202); The loading machine (2) includes a ramp platform (201), a first safety light curtain (202), a limiting groove (203), a first translation mechanism (204), a guiding mechanism (205), a start button (206), a lifting cylinder (207), a first induction check valve (208), and a top frame (209). The trolley frame (101) is pushed onto the loading machine (2), and the four casters at the bottom of the trolley frame (101) are limited by the limiting groove (203). The start button (206) controls the first translation mechanism (204) to pull the trolley frame (101) to a designated position. The lifting cylinder (207) and the guiding mechanism (205) lift the trolley frame (101) onto the loading machine (2). Upon reaching the designated height, the first translation mechanism (204) sends the trolley frame (101) out via the lifting cylinder (207). The first translation mechanism (204) consists of a linear slide rail (20401), a driven sprocket (20402), a slotted photoelectric sensor (20403), a drag chain (20404), a lifting mechanism (20405), a proximity switch (20406), a drive sprocket (20407), a stepper motor (20408), and a second limit block (20409). The lifting mechanism (20405) can clamp the lower crossbeam of the trolley frame (101) and drive the chain via the stepper motor (20408) to transport the trolley frame (101). The buffer machine (3) adopts a modular structure and is composed of a frame (301), a second translation mechanism (302), a shaft (303), a photoelectric detection mechanism (304), a blocking mechanism (305), a polyurethane strip (306), a foot cup (307), etc. The cleaning machine (4) includes a support frame (401), a drive base (402), a first dehumidifier (403), an air duct (404), a top mezzanine (405), a first automatic airtight door (406), an inspection door (407), a first observation window (408), and a reinforcing block (409). The drive base (402) includes a base plate (40201), a first rotating platform (40202), a drive shaft (40203), a driver (40204), and a servo motor. The first rotating platform (40202) includes a servo motor (40205), a high-pressure high-temperature steam nozzle (40206), a six-axis manipulator (40207), and a support connecting frame (40208). It also includes a disc base (4020201), a positioning frame (4020202), a cylinder (4020203), a telescopic cylinder (4020204), a sprocket (4020205), an adjusting slider (4020206), a telescopic mechanism (4020207), and a positioning clamp. Block (4020208), the cleaning machine (4) consists of an airtight clean room, a dehumidification system, and a cleaning mechanism. The airtight clean room is equipped with a first automatic airtight door (406), an inspection door (407), and a first observation window (408) at the inlet and outlet. The airtight clean room adopts a fully enclosed structure. The dehumidification system consists of a first dehumidifier (403), an air duct (404), and a top interlayer (405). The dry air generated after dehumidification by the first dehumidifier (403) is passed through... The air duct (404) and top interlayer (405) are blown down, and the trolley frame (101) is fed in by the buffer machine (3). The telescopic cylinder (4020204) on the cleaning translation mechanism drives the track to extend. The telescopic cylinder (4020204) drives the positioning clamp (4020208) to lock the front beam of the trolley frame (101) and pull it into the telescopic mechanism (4020207). The servo motor (40205) and drive shaft (40203) drive the lower rotating platform to rotate. The dryer (5) includes a support (501), a support rod (502), a frame (503), a second dehumidifier (504), a top pipe (505), an upper interlayer (506), a bottom fan (507), a second automatic airtight door (508), a second observation window (509), and a second rotating platform (510). The dryer (5) consists of an airtight cleanroom, a dehumidification system, and a drying system. The outlet of the airtight cleanroom is connected by a second automatic airtight door (508). The second observation window (509) is assembled. The airtight clean room adopts a fully enclosed structure. The drying system consists of a vertical frame (503) with PTC heating and a bottom fan (507). The frame (503) blows air to various parts of the trolley frame (101). After the second dehumidifier (504) dehumidifies, it is sent to the upper interlayer (506) through the top pipe (505). After the trolley frame (101) is dried, it is sent out to the buffer machine (3) by the second rotating platform (510). The unloading machine (6) is equipped with an unloading frame (601), a second safety light curtain (602), an emergency stop button (603), a lifting drive cylinder (604), a second induction check valve (605), a conveyor wheel (606), an discharge drive seat (607), and an unloading plate (608). The buffer machine (3) sends the trolley frame (101) to the unloading machine (6). The lifting drive cylinder (604) drives the trolley frame (101) to descend into place. The second safety light curtain (602) is located at the outlet. The lifting drive cylinder (604) is equipped with a second induction check valve (605).

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