Conveyor belt cleaning device

Abstract

A conveyor belt cleaning device comprises a main frame arranged below the conveyor belt and a plurality of cover shells arranged on the conveyor belt, a cleaning mechanism connected to the cover shell is arranged on one side of the main frame, the cleaning mechanism comprises a first fan and a second fan for removing impurities, the first fan provides a positive pressure airflow, and the second fan provides a negative pressure airflow; an ion wind system for eliminating static electricity is arranged on one side of the cover shell, and a demagnetization system for demagnetization is arranged on the main frame; compared with the prior art, a plurality of cover shells are arranged on the conveyor belt, and the cover shells are connected with the cleaning mechanism, and the closed cleaning of the conveyor belt is achieved under the action of the cleaning mechanism and the cover shell, thereby avoiding the situation where impurities are scattered and flying around, and ensuring the cleanliness of the workshop; in addition, positive pressure airflow and negative pressure airflow are provided under the action of the first fan and the second fan of the cleaning mechanism, thereby achieving clean collection of impurities on the conveyor belt.

Description

Technical Field

[0001] The utility model relates to the technical field of conveyor belt cleaning, in particular to a conveyor belt cleaning device. Background Art

[0002] With the development of equipment and technology, intelligent conveying devices have also become the most important equipment in can production. The existing conveying devices in can workshops are mainly divided into three types: stainless steel chain conveyor belts, POM flat grid mesh belts and stainless steel chain plate conveyor belts.

[0003] During the transportation of tinplate cans, long-term sliding friction will generate a lot of debris, including paint powder, iron chips caused by conveyor belt wear, iron chips caused by tinplate can wear, etc. In extreme cases, foreign matter from the previous process or auxiliary materials may also be mixed in.

[0004] To solve the above problems, Chinese patent application No. 201210387728.5 discloses an air blowing cleaning device for a conveyor belt, and the above disclosed air pipe and cleaning air pipe. The air pipeline conveys high-pressure airflow. The inlet of the reversing valve is connected to the air pipeline, and the first outlet and the second outlet are alternately opened and closed. The vibrating air pipe is arranged below the conveyor belt, and the pipe body of the vibrating air pipe has a first nozzle, and the first nozzle is aligned with the lower surface of the conveyor belt. The cleaning air pipe is arranged on the side of the conveyor belt, and the pipe body of the cleaning air pipe has a second nozzle, and the height of the second nozzle is the same as the upper surface of the conveyor belt. The first outlet of the reversing valve is opened and the second outlet is closed, and the first nozzle of the vibrating air pipe sprays high-pressure airflow to the lower surface of the conveyor belt, and the conveyor belt vibrates in a vertical plane under the impact of the airflow; the reversing valve switches to the first outlet closed and the second outlet opened, and the second nozzle of the cleaning air pipe sprays high-pressure airflow, and the airflow sweeps over the upper surface of the conveyor belt. The Chinese patent application number 201210387831.X discloses a cleaning device for a conveyor belt. The cleaning device disclosed above includes a cleaning roller assembly, a nozzle, a fan and a collecting device. The cleaning roller assembly includes a first roller, a second roller, a third roller, a fourth roller and a reset roller. The conveyor belt forms a vertical portion between the first roller and the second roller, a first inclined portion between the second roller and the third roller, and a second inclined portion between the third roller and the fourth roller. The conveyor belt returns to a horizontal state after passing through the reset roller. The nozzle sprays cleaning liquid to the vertical portion of the conveyor belt. The fan blows out airflow to the second inclined portion of the conveyor belt. The collecting device includes a first collector and a second collector. The first collector collects the cleaning liquid flowing down from the vertical portion of the conveyor belt; the second collector collects the cleaning liquid blown down from the second inclined portion by the fan.

[0005] In the above-mentioned prior art disclosed, a high-pressure airflow is transmitted through an air pipeline, and the high-pressure airflow blows the surface of the conveyor belt through the first nozzle and the second nozzle, thereby realizing the cleaning of impurities. In the above scheme, during the cleaning process, the impurities blown up by the high-pressure airflow will be dispersed in the workshop, which is not conducive to the collection of impurities. At the same time, the dispersed impurities are likely to cause pollution to the workshop, and cause the impurities to be scattered on other equipment and affect the normal operation of the equipment. Utility Model Content

[0006] The utility model aims to overcome the defects in the prior art and provide a conveyor belt cleaning device which can realize clean collection of impurities without causing pollution to the workshop and without affecting other equipment.

[0007] In order to achieve the above-mentioned purpose of the utility model, the utility model adopts the following technical scheme: a conveyor belt cleaning device, including a main frame arranged below the conveyor belt and a plurality of cover shells arranged on the conveyor belts, a cleaning mechanism connected to the cover shell is provided on one side of the main frame, the cleaning mechanism includes a first fan and a second fan for removing impurities, the first fan provides a positive pressure airflow, and the second fan provides a negative pressure airflow; an ion wind system for eliminating static electricity is provided on one side of the cover shell, and a demagnetization system for demagnetization is provided on the main frame.

[0008] As a preferred solution of the utility model, a plurality of the cover shells are sequentially connected to the top of the main frame along the length direction of the main frame, and the conveyor belt passes through the inside of the cover shells.

[0009] As a preferred solution of the utility model, the interior of the cover shell is formed with an ionosphere and a de-impurity layer arranged in sequence from top to bottom, the conveyor belt is located in the de-impurity layer, and a partition plate for separating the ionosphere and the de-impurity layer is provided in the cover shell, and a plurality of connecting holes are formed on the partition plate.

[0010] As a preferred solution of the utility model, the first fan is connected to a positive pressure ventilation pipe, and the positive pressure ventilation pipe is connected to the impurity removal layer.

[0011] As a preferred solution of the utility model, the second fan is connected to a negative pressure ventilation pipe, the negative pressure ventilation pipe is connected to the bottom of the main frame, and the negative pressure ventilation pipe is connected to the impurity removal layer of the cover shell.

[0012] As a preferred solution of the utility model, a negative pressure suction nozzle for collecting impurities is formed at the bottom of the main frame, and the negative pressure suction nozzle is connected to the negative pressure ventilation pipe and the impurity removal layer.

[0013] As a preferred solution of the utility model, the ion wind system includes a high-voltage generator arranged on one side of the housing, and the high-voltage generator is connected to the housing.

[0014] As a preferred solution of the utility model, an air flow inlet for compressed air to enter is formed on the cover, the air flow inlet is connected to the ionosphere, and the high-voltage generator is connected to the air flow inlet for ionizing the compressed air.

[0015] As a preferred solution of the utility model, an ion wind outlet for exhaust is formed on the top of the cover shell, the ion wind outlet is connected to the ionosphere, and the ion wind outlet is formed at the conveyor belt inlet end of the cover shell.

[0016] As a preferred solution of the utility model, the demagnetization system is arranged at the end of the main frame, and the demagnetization system is located at the conveyor belt outlet end of the cover shell.

[0017] Compared with the prior art, the beneficial effects of the utility model are:

[0018] 1. Through a plurality of covers arranged on the conveyor belt, the cover is connected with a cleaning mechanism, and the conveyor belt is closed and cleaned under the action of the cleaning mechanism and the cover, thereby avoiding the impurities from being scattered and flying around, and ensuring the cleanliness of the workshop. In addition, under the action of the first fan and the second fan of the cleaning mechanism, positive pressure airflow and negative pressure airflow are provided, thereby realizing the clean collection of impurities on the conveyor belt;

[0019] 2. Furthermore, by setting up an ion wind system, a high voltage is generated under the action of a high voltage generator to realize the ionization of compressed air, generating a large amount of airflow with positive and negative charges, which is blown out at high speed by the compressed airflow, and the charges on all objects on the can body and the conveyor belt in the cover can be neutralized. When the charge on the surface of the object is negative, it will attract the positive charge in the airflow, and when the charge on the surface of the object is positive, it will attract the negative charge in the airflow, thereby neutralizing the static electricity on the surface of the object, thereby achieving the purpose of eliminating static electricity. In addition, the magnetism of the can body is removed by a demagnetization system arranged on the main frame to prevent the can body from adsorbing ferromagnetic substances. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a structural schematic diagram of the utility model;

[0021] Figure 2 It is the front view of the utility model;

[0022] Figure 3 It is a top view of the utility model;

[0023] Figure 4 This is a cross-sectional view of the housing.

[0024] Figure markings: main frame 1, negative pressure nozzle 101, cover 2, ionosphere 201, ion wind outlet 2011, air flow inlet 2012, impurity removal layer 202, partition plate 203, connecting hole 2031, cleaning mechanism 3, first fan 301, positive pressure ventilation duct 3011, second fan 302, negative pressure ventilation duct 3021, demagnetization system 4, ion wind system 5, high voltage generator 501. DETAILED DESCRIPTION

[0025] The embodiments of the utility model are described in detail below with reference to the accompanying drawings.

[0026] like Figure 1-Figure 4 As shown, a conveyor belt cleaning device includes a main frame 1 arranged below the conveyor belt and a plurality of cover shells 2 arranged on the conveyor belts, a cleaning mechanism 3 connected to the cover shell 2 is provided on one side of the main frame 1, the cleaning mechanism 3 includes a first fan 301 and a second fan 302 for removing impurities, the first fan 301 provides a positive pressure airflow, and the second fan 302 provides a negative pressure airflow; an ion wind system 5 for eliminating static electricity is provided on one side of the cover shell 2, and a demagnetization system 4 for demagnetization is provided on the main frame 1.

[0027] Furthermore, the main frame 1 is arranged along the length direction of the conveyor belt, and a plurality of cover shells 2 are arranged on the main frame 1. The plurality of cover shells 2 are connected to the top of the main frame 1, and the plurality of cover shells 2 are arranged in sequence along the length direction of the main frame 1. The conveyor belt passes through the inside of the cover shell 2, and the conveyor belt is closed under the wrapping of the cover shell 2 and the main frame 1; the conveyor belt is closed by the cover shell 2, and the conveyor belt is cleaned under the action of the cleaning mechanism 3, thereby ensuring that impurities will not be scattered and fly during the cleaning process, thereby improving the cleanliness of the workshop.

[0028] In addition, the first fan 301 and the second fan 302 are both arranged below the main frame 1, and the first fan 301 and the second fan 302 are both connected to the interior of the cover shell 2. The first fan 301 provides positive pressure airflow into the cover shell 2, and the impurities on the conveyor belt are blown up by the positive pressure airflow, so that the impurities float in the cover shell 2; the second fan 302 provides negative pressure airflow into the cover shell 2, and the impurities floating in the cover shell 2 are absorbed by the negative pressure airflow, thereby realizing the clean collection of impurities.

[0029] The interior of the cover 2 is formed with an ionosphere 201 and a de-impurity layer 202 which are arranged in sequence from top to bottom, the conveyor belt is located in the de-impurity layer 202, a partition plate 203 for separating the ionosphere 201 and the de-impurity layer 202 is provided in the cover 2, and a plurality of connecting holes 2031 are formed on the partition plate 203. Furthermore, the ionosphere 201 is arranged at the top of the cover 2, and the de-impurity layer 202 is arranged at the bottom of the cover 2, the ionosphere 201 and the de-impurity layer 202 are separated by the partition plate 203, and the ionosphere 201 and the de-impurity layer 202 are connected through a plurality of connecting holes 2031 on the partition plate 203.

[0030] The first fan 301 is connected to a positive pressure ventilation pipe 3011, and the positive pressure ventilation pipe 3011 is connected to the impurity removal layer 202. Furthermore, the positive pressure ventilation pipe 3011 is arranged on the top of the impurity removal layer 202, and the positive pressure airflow is blown downward from the top of the impurity removal layer 202 through the positive pressure ventilation pipe 3011.

[0031] The second fan 302 is connected to a negative pressure ventilation pipe 3021, which is connected to the bottom of the main frame 1 and is communicated with the impurity removal layer 202 of the cover shell 2. Furthermore, a negative pressure suction nozzle 101 for collecting impurities is formed at the bottom of the main frame 1, and the negative pressure suction nozzle 101 is communicated with the negative pressure ventilation pipe 3021 and the impurity removal layer 202. Impurities floating in the impurity removal layer 202 are sucked in through the negative pressure airflow provided by the negative pressure ventilation pipe 3021, and then the impurities are collected through the negative pressure suction nozzle 101.

[0032] The ion wind system 5 includes a high-voltage generator 501 arranged on one side of the cover shell 2, and the high-voltage generator 501 is connected to the cover shell 2. Furthermore, an air flow inlet 2012 for compressed air to enter is formed on the cover shell 2, and the air flow inlet 2012 is connected to the ionosphere 201. The high-voltage generator 501 is connected to the air flow inlet 2012 for ionizing the compressed air; the ion wind system 5 generates high voltage through the high-voltage generator 501, ionizes the compressed air, and generates a large amount of airflow with positive and negative charges, which is blown into the ionosphere 201 at a high speed by the compressed air, and enters the impurity removal layer 202 through the connecting hole 2031, thereby neutralizing the charges on the can body and all objects on the conveyor belt. When the charge on the surface of the object is negative, it will attract the positive charge in the air flow. When the charge on the surface of the object is positive, it will attract the negative charge in the air flow, thereby neutralizing the static electricity on the surface of the object, thereby achieving the purpose of eliminating static electricity.

[0033] An ion wind outlet 2011 for exhaust is formed at the top of the cover 2. The ion wind outlet 2011 is connected to the ion layer 201 and is formed at the conveyor belt inlet end of the cover 2. Furthermore, the ionized compressed air is discharged from the cover 2 through the ion wind outlet 2011.

[0034] The demagnetization system 4 is arranged at the end of the main frame 1 and is located at the conveyor belt outlet end of the cover shell 2. The demagnetization system 4 can remove the magnetism of the can body, thereby preventing the can body from absorbing ferromagnetic substances.

[0035] The above description of the disclosed embodiments enables those skilled in the art to implement or use the present invention. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention; therefore, the present invention will not be limited to the embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

[0036] Although the following terms are used more frequently in this paper: main frame 1, negative pressure suction nozzle 101, cover 2, ionization layer 201, ion wind outlet 2011, air flow inlet 2012, impurity removal layer 202, partition plate 203, communication hole 2031, cleaning mechanism 3, first fan 301, positive pressure ventilation pipe 3011, second fan 302, negative pressure ventilation pipe 3021, demagnetization system 4, ion wind system 5, high voltage generator 501, etc., the possibility of using other terms is not excluded. These terms are used only to more conveniently describe and explain the essence of the utility model; interpreting them as any additional restrictions is contrary to the spirit of the utility model.

Claims

1. A conveyor belt cleaning device, characterized in that: The invention comprises a main frame (1) arranged below a conveyor belt and a plurality of cover shells (2) arranged on the conveyor belts. A cleaning mechanism (3) connected to the cover shells (2) is arranged on one side of the main frame (1). The cleaning mechanism (3) comprises a first fan (301) and a second fan (302) for removing impurities. The first fan (301) provides a positive pressure airflow, and the second fan (302) provides a negative pressure airflow. An ion wind system (5) for eliminating static electricity is arranged on one side of the cover shell (2). A demagnetization system (4) for demagnetization is arranged on the main frame (1).

2. A conveyor belt cleaning device according to claim 1, characterized in that: A plurality of the cover shells (2) are sequentially connected to the top of the main frame (1) along the length direction of the main frame (1), and the conveyor belt passes through the inside of the cover shells (2).

3. A conveyor belt cleaning device according to claim 1, characterized in that: An ionosphere (201) and a de-impurity layer (202) are formed in sequence from top to bottom inside the casing (2); the conveyor belt is located in the de-impurity layer (202); a partition plate (203) for separating the ionosphere (201) and the de-impurity layer (202) is provided inside the casing (2); and a plurality of connecting holes (2031) are formed on the partition plate (203).

4. A conveyor belt cleaning device according to claim 3, characterized in that: The first fan (301) is connected to a positive pressure ventilation pipe (3011), and the positive pressure ventilation pipe (3011) is connected to the impurity removal layer (202).

5. A conveyor belt cleaning device according to claim 3, characterized in that: The second fan (302) is connected to a negative pressure ventilation pipe (3021), the negative pressure ventilation pipe (3021) is connected to the bottom of the main frame (1), and the negative pressure ventilation pipe (3021) is connected to the impurity removal layer (202) of the cover shell (2).

6. A conveyor belt cleaning device according to claim 5, characterized in that: A negative pressure suction nozzle (101) for collecting impurities is formed at the bottom of the main frame (1), and the negative pressure suction nozzle (101) is connected to the negative pressure ventilation pipe (3021) and the impurity removal layer (202).

7. A conveyor belt cleaning device according to claim 1, characterized in that: The ion wind system (5) comprises a high-voltage generator (501) arranged on one side of the housing (2); the high-voltage generator (501) is connected to the housing (2).

8. A conveyor belt cleaning device according to claim 7, characterized in that: The cover shell (2) is formed with an airflow inlet (2012) for compressed air to enter, the airflow inlet (2012) is connected to the ionosphere (201), and the high-voltage generator (501) is connected to the airflow inlet (2012) for ionizing the compressed air.

9. A conveyor belt cleaning device according to claim 3, characterized in that: An ion wind outlet (2011) for exhaust is formed on the top of the housing (2); the ion wind outlet (2011) is connected to the ionosphere (201), and the ion wind outlet (2011) is formed at the inlet end of the conveyor belt of the housing (2).

10. A conveyor belt cleaning device according to claim 1, characterized in that: The demagnetization system (4) is arranged at the end of the main frame (1), and the demagnetization system (4) is located at the conveyor belt outlet end of the cover shell (2).

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