Workshop cleaning device

Abstract

The utility model relates to the technical field of cleaning equipment, and discloses a workshop cleaning device which comprises an AGV robot and a metal collecting trailer. The metal collecting trailer is connected with the AGV robot and dragged by the AGV robot. The metal collecting trailer comprises a box body and a magnetic suction roller rotationally arranged in the box body, the magnetic suction roller is transversely arranged in the box body, and the box body is provided with a box cover capable of being opened and closed. An opening is formed in the lower surface of the box body, the magnetic suction roller can stretch out of the box body from the opening and make contact with the ground, and a plurality of universal wheels are arranged on the lower surface of the box body. And scrapers are arranged on the front side and the rear side of the magnetic suction roller, and the scrapers are used for scraping metal dust on the surface of the magnetic suction roller into the box body. The workshop cleaning device can continuously collect metal dust on the ground of the workshop for 24 hours, the manpower requirement for workshop cleaning is relieved, the cleaning efficiency of the metal dust in the workshop is improved, and the purity of produced monocrystalline silicon is prevented from being affected by the metal dust.

Description

Technical Field

[0001] The utility model relates to the technical field of workshop cleaning equipment, and particularly relates to a workshop cleaning device. Background Art

[0002] The production process of photovoltaic single crystals requires a relatively clean environment. However, during the operation of single crystal furnaces, some metal particles will be generated, which will affect the production purity of single crystals. Therefore, it is necessary to clean the workshop regularly. At present, the cleaning of workshops mainly relies on manual labor. Although there are many cleaning tools on the market, which can improve the cleaning efficiency to a certain extent, manual operation is still required. For single crystal production workshops with a large number of placed equipment and a large area, cleaning takes a long time and a lot of manpower, and it is also impossible to clean the metal particles in floor seams and corners, resulting in poor cleaning effects. Content of the Utility Model

[0003] In order to overcome the deficiencies of the prior art, the purpose of the utility model is to provide a workshop cleaning device, which can automatically clean the metal dust in the workshop for 24 hours a day, improve the cleaning efficiency of the metal dust in the workshop, and avoid the purity of monocrystalline silicon being contaminated by metals.

[0004] To solve the above problems, the technical solution adopted by the utility model is as follows: A workshop cleaning device, comprising: an AGV robot; a metal collection trailer, connected to the AGV robot and towed by the AGV robot, including a box body and a magnetic adsorption roller rotatably arranged in the box body. The magnetic adsorption roller is horizontally arranged in the box body. The box body is provided with an openable and closable box cover. An opening is provided on the lower surface of the box body. The magnetic adsorption roller can protrude from the opening outside the box body and contact the ground. A plurality of universal wheels are provided on the lower surface of the box body. The magnetic adsorption roller has magnetism. Scrapers are arranged on the front and rear sides of the magnetic adsorption roller, and the scrapers are used to scrape the metal dust on the surface of the magnetic adsorption roller into the box body.

[0005] Compared with the prior art, the beneficial effects of the utility model are as follows: The metal dust in the workshop is collected by the AGV robot towing the metal collection trailer. While the AGV robot tows the metal collection trailer to move in the workshop, the metal dust on the ground and in the floor seams will be adsorbed by the magnetic adsorption roller with magnetism and scraped into the box body by the scraper, realizing the automatic cleaning of the metal dust in the workshop. The metal collection trailer can move in a cycle without stopping for 24 hours in the workshop under the guidance and towing of the AGV robot, ensuring that the workshop continuously maintains a high metal cleanliness, improving the metal cleaning efficiency of the workshop, reducing the consumption of manpower for cleaning operations, and avoiding the purity of the produced monocrystalline silicon being affected by the metal pollution in the workshop.

[0006] The above-mentioned workshop cleaning device, the AGV robot includes a chassis, on which driving wheels and a number of universal wheels are provided. A protective cover is provided on the chassis. An integrated control unit, a battery and a driving module are provided on the chassis. The integrated control unit, the battery and the driving module are arranged inside the protective cover. A positioning sensing unit is provided on the protective cover. The positioning sensing unit, the battery and the driving module are all electrically connected to the integrated control unit. The driving module is used to drive the driving wheels to rotate.

[0007] The above-mentioned workshop cleaning device, an electromagnet is provided inside the magnetic adsorption roller, and the electromagnet is electrically connected to the integrated control unit.

[0008] The above-mentioned workshop cleaning device, a data interface is provided on the protective cover, and the data interface is electrically connected to the integrated control unit.

[0009] The above-mentioned workshop cleaning device, the positioning sensing unit includes a laser range finder, the laser range finder is arranged on the front end of the protective cover, and the laser range finder is electrically connected to the integrated control unit.

[0010] The above-mentioned workshop cleaning device, the positioning sensing unit includes a time-of-flight sensor, the time-of-flight sensor is arranged on the front end of the protective cover, and the time-of-flight sensor is electrically connected to the integrated control unit.

[0011] The above-mentioned workshop cleaning device, the positioning sensing unit includes a depth camera and four three-dimensional structured light sources. The depth camera is arranged at the front end of the protective cover, and the four three-dimensional structured light sources are respectively arranged at the four corners of the protective cover.

[0012] The above-mentioned workshop cleaning device, an alarm is provided on the chassis, and the alarm is electrically connected to the integrated control unit.

[0013] The above-mentioned workshop cleaning device, the driving module includes a servo motor and a speed reducer. The driving wheel is shaft-connected to the output shaft of the speed reducer. The input shaft of the speed reducer is shaft-connected to the output shaft of the servo motor. The servo motor is electrically connected to the integrated control unit.

[0014] The above-mentioned workshop cleaning device, the data interface includes an RJ45 interface and a USB interface.

[0015] The present utility model will be further described in detail below in conjunction with the accompanying drawings and specific embodiments. Description of the Drawings

[0016] Figure 1 It is a schematic three-dimensional structure diagram of the workshop cleaning device according to the embodiment of the present utility model;

[0017] Figure 2 The bottom view of the workshop cleaning device according to the embodiment of the present utility model;

[0018] Figure 3 The side view of the workshop cleaning device according to the embodiment of the present utility model;

[0019] Figure 4 The front view of the workshop cleaning device according to the embodiment of the present utility model;

[0020] Figure 5 The schematic diagram of the internal structure of the AGV robot according to the embodiment of the present utility model.

[0021] Explanation of the reference numerals in the drawings:

[0022] 100 AGV robot, 110 chassis, 111 universal wheels, 112 drive wheels, 120 shield, 121 three-dimensional structured light source, 122 laser range finder, 123 depth camera, 124 time-of-flight sensor, 125 data interface, 130 integrated control unit, 140 battery, 150 drive module, 151 servo motor, 152 reducer, 200 metal collection trailer, 210 box body, 211 box cover, 220 magnetic adsorption roller, 221 scraper. Detailed implementation manners

[0023] The following details the embodiments of the present utility model. Referring to Figure 1 , the embodiments of the present utility model provide a workshop cleaning device, including an AGV robot 100 and a metal collection trailer 200. The metal collection trailer 200 is connected to the AGV robot 100 and can be towed by the AGV robot 100. The metal collection trailer 200 includes a box body 210 and a magnetic adsorption roller 220 rotatably arranged in the box body 210. The magnetic adsorption roller 220 is horizontally arranged in the box body 210, and the box body 210 is provided with an openable and closable box cover 211. An opening is provided on the lower surface of the box body 210, and the magnetic adsorption roller 220 can protrude from the opening outside the box body 210 and contact the ground. A plurality of universal wheels 111 are also provided on the lower surface of the box body 210. The magnetic adsorption roller 220 has magnetism, and scrapers 221 are arranged on the front and rear sides of the magnetic adsorption roller 220. The scrapers 221 are used to scrape the metal dust on the surface of the magnetic adsorption roller 220 into the box body 210.

[0024] The workshop cleaning device according to the embodiment of the present utility model has an AGV robot 100 drag a metal collection trailer 200 to move back and forth in the workshop. When the AGV robot 100 drags the metal collection trailer to move in the workshop, a magnetic adsorption roller 220 rolls on the ground of the workshop, and relies on the magnetism of the magnetic adsorption roller 220 to adsorb the metal dust on the ground along the way onto the surface of the magnetic adsorption roller 220. When the adsorbed metal dust reaches the inside of the box body 210 as the magnetic adsorption roller 220 rotates, it is scraped off onto the inside of the box body 210 by a scraper 221 arranged along the surface of the magnetic adsorption roller 220, realizing the automatic collection of the metal dust on the workshop ground. Since the magnetic adsorption method is adopted to adsorb and collect the metal dust on the ground, it can better collect the metal dust in the ground gaps, and is driven by the AGV robot 100, so that the metal dust in the workshop can be collected continuously for 24 hours, reducing the human resource consumption for cleaning the metal dust on the workshop ground, improving the metal dust collection efficiency in the workshop, and avoiding the influence of metal pollution on the purity of the monocrystalline silicon produced in the photovoltaic single crystal workshop. By adopting the workshop cleaning device according to the embodiment of the present utility model, a large number of cleaning tools can be avoided from being stacked in the workshop, further improving the cleanliness of the workshop, which is beneficial to the 6S management of the workshop.

[0025] It can be understood that the magnetic adsorption roller 220 can be made of a permanent magnet or a roller with an electromagnet arranged inside, and is powered by the power supply in the AGV robot 100. In this embodiment, the magnetism of the magnetic adsorption roller 220 is generated by the electromagnet arranged inside. The number of the magnetic adsorption rollers 220 can be multiple to achieve multiple cleaning of the workshop ground. Refer to Figure 2 , in this embodiment, only one magnetic adsorption roller 220 is arranged in the box body 210, and the width of the magnetic adsorption roller 220 is slightly narrower than the width of the box body 210.

[0026] Refer to Figure 1 、 Figure 2 、 Figure 3 and Figure 5, in this embodiment, the AGV robot 100 includes a chassis 110, on which driving wheels 112 and a plurality of omnidirectional wheels 111 are provided, and a protective cover 120 is covered on the chassis 110. An integrated control unit 130, a battery 140 and a driving module 150 are provided on the chassis 110. The integrated control unit 130, the battery 140 and the driving module 150 are arranged inside the protective cover 120, and a positioning sensing unit is provided on the protective cover 120. The battery 140, the positioning sensing unit, the driving module 150 and the electromagnet on the metal collection trailer 200 are all electrically connected to the integrated control unit 130. The integrated control unit 130 is used to control the actions of the AGV robot 100. The battery 140 is used to supply power to the entire device. The positioning sensing unit is used to obtain the position information of the AGV robot 100 and guide the movement of the AGV robot 100. The driving wheels 112 are connected to the driving module 150, and the driving module 150 is used to drive the driving wheels 112 to rotate to provide the power for the movement of the AGV robot 100.

[0027] It can be understood that the positioning sensing unit can use methods such as cameras, lidars or millimeter-wave radars to obtain the position of the AGV robot 100 and detect surrounding obstacles. Refer to Figure 3 and Figure 4 , in this embodiment, the positioning sensing unit includes a laser range finder 122, a time-of-flight sensor 124 and a depth camera 123. The laser range finder 122 is arranged at the center of the front end of the protective cover 120. The time-of-flight sensor 124 is arranged on one side of the laser range finder 122. The depth camera 123 is arranged at the lower side of the front end of the protective cover 120. Four three-dimensional structured light sources 121 are also provided on the protective cover 120. The four three-dimensional structured light sources 121 are respectively arranged at the four corners of the upper end of the protective cover 120 and are used to emit infrared light with a specific structure to the surrounding ground. The depth camera 123 acquires the reflected infrared light and obtains the depth information in the ground image by analyzing the distortion degree of the reflected infrared light, so as to realize the identification of metal dust on the ground. It cooperates with the laser range finder 122 and the time-of-flight sensor 124 to realize the identification and detection of obstacles with different heights and different materials under different lighting environments, avoid visual blind spots, and improve the recognition ability of the AGV robot 100 to the surrounding environment.

[0028] Refer to Figure 3 and Figure 4, in this embodiment, an emergency stop switch, a power switch, and a data interface 125 are further provided on the shield 120. The emergency stop switch, the power switch, and the data interface 125 are all electrically connected to the integrated control unit 130. The emergency stop switch is used for the emergency stop of the AGV robot 100, the power switch is used for the start and stop of the AGV robot 100, and the data interface 125 is used for software update and data transmission of the integrated control unit 130. In this embodiment, the data interface 125 includes an RJ45 interface and a USB interface.

[0029] Referring to Figure 3 and Figure 5 , in this embodiment, four universal wheels 111 are provided on the lower surface of the chassis 110. The four universal wheels 111 are divided into two groups. The two groups of universal wheels 111 are respectively arranged at the front end and the rear end of the chassis 110. Two drive wheels 112 are symmetrically arranged on both sides of the middle of the chassis 110 to drive the entire AGV robot 100 to turn. In this embodiment, the drive module 150 includes a servo motor 151 and a speed reducer 152. The drive wheel 112 is shaft-connected to the output shaft of the speed reducer 152. The input shaft of the speed reducer 152 is shaft-connected to the output shaft of the servo motor 151. The servo motor 151 is electrically connected to the integrated control unit 130. It can be understood that the integrated control unit 130 can be composed of a programmable controller such as a PLC or a single-chip microcomputer, some drive circuits, and charge and discharge circuits. Its specific structure is common knowledge in the art and will not be elaborated here. It can be understood that, in some embodiments, an alarm is further provided on the chassis 110. The alarm is electrically connected to the integrated control unit 130. The alarm is used to emit a sound alarm to the surrounding when the AGV robot 100 is stuck and unable to self-rescue, attracting the surrounding workers to rescue the stuck AGV robot 100.

[0030] It can be understood that, in some embodiments, a dust suction device can also be provided in the box body 210. An opening for the suction nozzle of the dust suction device to extend out is provided on the lower surface of the box body 210. The dust suction device can collect silicon compounds and dust on the ground while the magnetic adsorption roller 220 adsorbs and collects metal dust, further improving the cleanliness of the workshop.

[0031] It should be noted that, in the description of the present utility model, if there is any reference to the orientation description, such as the orientation or positional relationship indicated by up, down, front, back, left, right, etc., it is all based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed or operated in a specific orientation, and should not be construed as a limitation to the present utility model.

[0032] In the description of the present utility model, the meaning of "a number of" is one or more, the meaning of "a plurality of" is two or more, and understandings such as "greater than", "less than", "exceeding", etc. do not include the corresponding number, while understandings such as "above", "below", "within", etc. include the corresponding number. If there is a description of "first" or "second", etc., it is only for the purpose of distinguishing technical features and cannot be understood as indicating or implying relative importance or implicitly indicating the quantity of the indicated technical features or implicitly indicating the sequence relationship of the indicated technical features.

[0033] In the description of the present utility model, unless otherwise clearly defined, words such as "arrangement", "installation", "connection", etc. shall be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in the present utility model in combination with the specific content of the technical solution.

[0034] The above embodiments are only the preferred embodiments of the present utility model, and cannot be used to limit the scope of protection of the present utility model. Any non-substantial changes and substitutions made by those skilled in the art based on the present utility model fall within the scope of protection required by the present utility model.

Claims

1. A workshop cleaning device, characterized in that, Including: An AGV robot (100); A metal collection trailer (200), connected to the AGV robot (100) and towed by the AGV robot (100), including a box body (210) and a magnetic adsorption roller (220) rotatably arranged in the box body (210). The magnetic adsorption roller (220) is horizontally arranged in the box body (210). The box body (210) is provided with an openable and closable box cover (211). An opening is provided on the lower surface of the box body (210). The magnetic adsorption roller (220) can extend out of the box body (210) from the opening and contact the ground. A plurality of universal wheels (111) are arranged on the lower surface of the box body (210). The magnetic adsorption roller (220) has magnetism. Scrapers (221) are arranged on the front and rear sides of the magnetic adsorption roller (220). The scrapers (221) are used to scrape the metal dust on the surface of the magnetic adsorption roller (220) into the box body (210).

2. The workshop cleaning device according to claim 1, characterized in that, The AGV robot (100) includes a chassis (110). Driving wheels (112) and a plurality of universal wheels (111) are arranged on the chassis (110). A protective cover (120) is covered on the chassis (110). An integrated control unit (130), a battery (140) and a driving module (150) are arranged on the chassis (110). The integrated control unit (130), the battery (140) and the driving module (150) are arranged in the protective cover (120). A positioning sensing unit is arranged on the protective cover (120). The positioning sensing unit, the battery (140) and the driving module (150) are all electrically connected to the integrated control unit (130). The driving module (150) is used to drive the driving wheels (112) to rotate.

3. The workshop cleaning device according to claim 2, characterized in that, An electromagnet is arranged in the magnetic adsorption roller (220). The electromagnet is electrically connected to the integrated control unit (130).

4. The workshop cleaning device according to claim 2, characterized in that, A data interface (125) is arranged on the protective cover (120). The data interface (125) is electrically connected to the integrated control unit (130).

5. The workshop cleaning device according to claim 2, characterized in that, The positioning sensing unit includes a laser ranging sensor (122). The laser ranging sensor (122) is arranged on the front end of the protective cover (120). The laser ranging sensor (122) is electrically connected to the integrated control unit (130).

6. The workshop cleaning device according to claim 2, characterized in that, The positioning sensing unit includes a time-of-flight sensor (124). The time-of-flight sensor (124) is arranged on the front end of the protective cover (120). The time-of-flight sensor (124) is electrically connected to the integrated control unit (130).

7. The workshop cleaning device according to claim 2, wherein The positioning sensing unit includes a depth camera (123) and four three-dimensional structured light sources (121). The depth camera (123) is arranged at the front end of the protective cover (120). The four three-dimensional structured light sources (121) are respectively arranged at the four corners of the protective cover (120).

8. The workshop cleaning device according to claim 2, wherein, An alarm is arranged on the chassis (110). The alarm is electrically connected to the integrated control unit (130).

9. The workshop cleaning device according to claim 2, characterized in that, The driving module (150) includes a servo motor (151) and a speed reducer (152). The driving wheel (112) is shaft-connected to the output shaft of the speed reducer (152), the input shaft of the speed reducer (152) is shaft-connected to the output shaft of the servo motor (151), and the servo motor (151) is electrically connected to the integrated control unit (130).

10. The workshop cleaning device according to claim 4, characterized in that, The data interface (125) includes an RJ45 interface and a USB interface.

Images