CN112278787A

CN112278787A - Belt cleaning system and G8.5 glass substrate belt conveyor

Info

Publication number: CN112278787A
Application number: CN202011323452.5A
Authority: CN
Inventors: 李青; 李赫然; 曹海勇; 郑权; 张冰; 胡恒广; 史伟华; 张占永
Original assignee: Fuzhou Dongxu Optoelectronics Technology Co ltd; Tunghsu Group Co Ltd; Hebei Guangxing Semiconductor Technology Co Ltd
Current assignee: Nippon Electric Glass Co Ltd
Priority date: 2020-11-23
Filing date: 2020-11-23
Publication date: 2021-01-29

Abstract

The present disclosure relates to a belt cleaning system and a G8.5 glass substrate belt conveyor, the belt (1) is used for conveying glass substrates, wherein the belt cleaning system comprises: the brush roller (2) is arranged below the belt; the first driving assembly is arranged on the frame (3) and used for driving the brush roller to move up and down to approach or depart from the belt; a second drive assembly for driving the brush roller to counter-rotate relative to the belt when the brush roller is moved upwardly into contact with the belt; the suction assembly is arranged below the brush roller and is used for sucking dust swept on the brush roller; and the control assembly is respectively connected with the first driving assembly, the second driving assembly and the suction assembly. Therefore, the belt can be effectively cleaned, the maintenance is convenient, the operation is simple, the time and the labor are saved, the invalid stop time is avoided, and the production efficiency of a production line is improved.

Description

Belt cleaning system and G8.5 glass substrate belt conveyor

Technical Field

The disclosure relates to the technical field of glass substrate production, in particular to a belt cleaning system and a G8.5 glass substrate belt conveyor.

Background

The thin film transistor liquid crystal display (TFT-LCD) is a new high-end display, has the characteristics of large display size, high definition, light weight and the like, and becomes a mainstream flat panel display in the market at the present stage, the TFT-LCD glass substrate is a key material, the larger the size is, the greater the processing difficulty is, and thus, higher requirements are put forward on the equipment of the automatic production line. In the TFT-LCD liquid crystal glass automatic production line equipment, the conveying and the transferring of the glass are carried out, belt conveying equipment is mainly used, the conveying of large-size glass can be well realized, and the risk of bending and cracking of the glass is avoided. However, during the process of conveying the glass by the belt, the surface of the belt may remain glass fragments and dust in the air, so that the belt may be damaged, and the surface of the plate glass may be scratched.

In order to solve the problem of adhesion of glass debris and dust on the surface of a belt, in the related technology, a device for semi-automatically cleaning the belt is designed on a small-size glass production line, namely a long felt cleaner is arranged below the belt, so that the dust on the surface of the belt can be removed, but the felt is polluted quickly, the felt is cleaned and replaced frequently, and the inconvenience is brought to daily maintenance; or set up pivoted round brush cleaner below the belt, the round brush is clean the belt, effectively stops the pollution of round brush itself, but, the round brush is fixed in the frame, when the periodic maintenance, dismantles the degree of difficulty greatly, equally wastes time and energy.

Disclosure of Invention

A first object of the present disclosure is to provide a belt cleaning system, which can solve the problems of poor cleaning effect, great difficulty in disassembling the cleaning device, time and labor waste, and inconvenience in regular maintenance of the existing cleaning system.

A second object of the present disclosure is to provide a G8.5 glass substrate belt conveyor, the G8.5 glass substrate belt conveyor including the belt cleaning system provided by the present disclosure.

In order to achieve the above object, the present disclosure provides a belt cleaning system for conveying a glass substrate, comprising:

the brush roller is arranged below the belt;

the first driving assembly is arranged on the rack and used for driving the brush roller to move up and down so as to be close to or far away from the belt;

a second drive assembly for driving the brush roller to counter-rotate relative to the belt when the brush roller is moved upwardly into contact with the belt;

the suction assembly is arranged below the brush roller and is used for sucking dust swept on the brush roller; and

and the control assembly is respectively connected with the first driving assembly, the second driving assembly and the suction assembly.

Optionally, supporting seats are fixed to two sides of the machine frame in the conveying direction of the belt respectively, two ends of the brush roller are rotatably mounted on the supporting seats through first bearing seats, each first driving assembly comprises a lead screw connected with the corresponding supporting seat, a nut mounted on the lead screw, and a power part driving the lead screw to rotate, the bottom wall of the corresponding supporting seat is abutted to the corresponding nut, and the corresponding control assembly is connected with the power part.

Optionally, the power part includes a jack fixed on the frame and a first motor, the lead screw is connected with an output shaft of the jack, and the first motor is connected with an input shaft of the jack.

Optionally, the two sides of the belt are respectively provided with the first driving assembly, the jacks on the two sides are connected through the connecting shaft, and the first motor can simultaneously drive the screw rods on the two sides to rotate.

Optionally, support seats are fixed to two sides of the machine frame in the conveying direction of the belt respectively, two ends of the brush roller are rotatably mounted on the support seats through first bearing seats, the second driving assembly comprises a second motor and a transmission assembly, the second motor is used for driving the brush roller to rotate, the transmission assembly is arranged between the second motor and the brush roller, and the control assembly is connected with the second motor.

Optionally, the transmission assembly includes a first belt wheel installed at the output end of the second motor, a second belt wheel installed on the roller shaft of the brush roller, and a conveyor belt sleeved on the first belt wheel and the second belt wheel.

Optionally, the air draft assembly comprises a material receiving box arranged below the brush roller, a negative pressure fan and a hose connected with a discharge port of the material receiving box and the negative pressure fan, two ends of the material receiving box are fixedly connected to the supporting seat, and the control assembly is connected with the negative pressure fan.

Optionally, a filter screen is arranged on the hose between the material receiving box and the negative pressure fan.

Optionally, the control system includes a PLC controller and a touch screen, and the PLC controller is in signal connection with the first driving assembly, the second driving assembly, and the suction assembly, respectively.

According to a second aspect of the present disclosure, there is also provided a G8.5 glass substrate belt conveyor comprising the belt cleaning system as described above.

According to the technical scheme, the first driving assembly drives the brush roller to ascend to press the belt, the second driving assembly drives the brush roller to rotate, and the brush roller rotates in the reverse direction relative to the belt, so that dust on the surface of the belt is effectively removed, and the cleaning effect is improved; a suction assembly is arranged below the brush roller, and is used for automatically collecting the dust which is swept and dropped, and pumping and filtering the dust; when the brush roller is maintained regularly, the first driving assembly drives the brush roller to descend to be separated from the belt, and after maintenance is finished, the first driving assembly drives the brush roller to ascend to a belt cleaning position to continue working, so that cleaning or dismounting is facilitated; the first driving assembly, the second driving assembly and the suction assembly are automatically controlled through the control assembly, and full-automatic operation of the whole cleaning process is achieved. Therefore, the belt cleaning system provided by the disclosure can effectively clean the belt, is convenient to maintain and has the advantages of simple operation, time saving and labor saving, avoids causing invalid stop time, and improves the production efficiency of a production line.

Additional features and advantages of the disclosure will be set forth in the detailed description which follows.

Drawings

The accompanying drawings, which are included to provide a further understanding of the disclosure and are incorporated in and constitute a part of this specification, illustrate embodiments of the disclosure and together with the description serve to explain the disclosure without limiting the disclosure. In the drawings:

FIG. 1 is a front view of a belt cleaning system provided by an exemplary embodiment of the present disclosure;

FIG. 2 is a partial schematic illustration of a side view of a belt cleaning system provided in an exemplary embodiment of the present disclosure;

FIG. 3 is a schematic structural view of a second drive assembly and a brush roller provided in accordance with an exemplary embodiment of the present disclosure;

fig. 4 is a schematic structural view of a pumping assembly provided in an exemplary embodiment of the present disclosure.

Description of the reference numerals

1 Belt 2 Brush roller

3 rack 4 support seat

51 lead screw 52 nut

53 jack 54 first motor

55 connecting shaft 61 second motor

62 first pulley 63 second pulley

64 conveyer belt 71 material collecting box

72 negative pressure fan 73 hose

74 first bearing seat of filter screen 8

9 second bearing block 10 guide rail

11 slide block

Detailed Description

The following detailed description of specific embodiments of the present disclosure is provided in connection with the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating the present disclosure, are given by way of illustration and explanation only, not limitation.

Unless stated to the contrary, the terms "upper", "lower", "top" and "bottom" used in the present disclosure refer to actual usage of the related components, and refer to the direction of the drawing shown in fig. 1. Furthermore, the terms "first," "second," and the like, as used in this disclosure, are intended to distinguish one element from another, and not necessarily for order or importance. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated.

Referring to fig. 1 to 4, the present disclosure provides a belt cleaning system, in which a belt 1 is used to convey a glass substrate, particularly a large-sized, high-definition, lightweight and thin G8.5 (high generation) glass substrate, the belt cleaning system comprising: the brush roller 2 is arranged below the belt 1; the first driving assembly is arranged on the frame 3 and used for driving the brush roller 2 to move up and down so as to be close to or far away from the belt 1; the second driving assembly is used for driving the brush roller 2 to rotate reversely relative to the belt 1 when the brush roller 2 moves upwards to be in contact with the belt 1; the suction assembly is arranged below the brush roller 2 and is used for sucking dust swept on the brush roller 2; and the control assembly is respectively connected with the first driving assembly, the second driving assembly and the suction assembly.

According to the technical scheme, the first driving assembly drives the brush roller 2 to ascend to press the belt 1, the second driving assembly drives the brush roller 2 to rotate, and the brush roller 2 rotates in the reverse direction relative to the belt 1, so that dust on the surface of the belt 1 is effectively removed, and the cleaning effect is improved; a suction component is arranged below the brush roller 2, and is used for automatically collecting the dust which is swept and dropped, and sucking and filtering the dust; when the brush roller 2 is maintained regularly, the first driving assembly drives the brush roller 2 to descend and separate from the belt 1, and after maintenance is finished, the first driving assembly drives the brush roller 2 to ascend to the cleaning position of the belt 1 to continue working, so that cleaning or dismounting is facilitated; the first driving assembly, the second driving assembly and the suction assembly are automatically controlled through the control assembly, and full-automatic operation of the whole cleaning process is achieved. Therefore, the belt cleaning system provided by the disclosure can effectively clean the belt 1, is convenient to maintain and has the advantages of simple operation, time saving and labor saving, avoids causing invalid stop time, and improves the production efficiency of a production line.

The first drive assembly may be of any suitable construction. In this disclosure, refer to fig. 1 and 3, frame 3 is last to be fixed with supporting seat 4 respectively along the direction of delivery's of belt 1 both sides, the both ends of brush roller 2 can rotationally install on supporting seat 4 through first bearing frame 8, first drive assembly can include the lead screw 51 that is connected with supporting seat 4, install nut 52 on lead screw 51, and drive lead screw 51 pivoted power spare, power spare drive lead screw 51 is rotatory to drive nut 52 and goes up and down, nut 52 and the diapire looks butt of supporting seat 4, promote supporting seat 4 then, brush roller 2 and suction assembly wholly go up and down, the purpose is when brush roller 2 does regular maintenance, first drive assembly can drive brush roller 2 and descend, break away from belt 1, convenient cleanness or dismantlement. Furthermore, the control component is connected with the power component, and the power component can automatically control the lifting of the brush roller 2 and the suction component.

The power member may be provided in any suitable form and will be described below by way of example only with reference to the structure shown in the drawings.

Referring to fig. 1, the power unit includes a jack 53 fixed to the frame 3 and a first motor 54, the screw 51 is connected to an output shaft of the jack 53, and the first motor 54 is connected to an input shaft of the jack 53. The first motor 54 drives the jack 53, torque is input through a driving shaft of the first motor 54, and torque is output by an output shaft of the jack 53, so that the screw rod 51 rotates and is converted into up-and-down movement of the nut 52, and the supporting seat 4 and the brush roller 2 are driven to lift. Specifically, the screw 51 and the output shaft of the jack 53 and the input shafts of the first motor 54 and the jack 53 may be connected by a coupling to realize the transmission of the torque. Further, a second bearing seat 9 is provided on the output shaft of the first motor 54 at one side of the coupling to ensure stability of torque transmission. In other embodiments, the power element may also be a motor directly connected to the screw 51, and the second driving assembly may also be a rack and pinion mechanism, an air cylinder, or the like, and the structure capable of driving the supporting seat 4 to drive the brush roller 2 to move up and down is within the protection scope of the present disclosure.

Specifically, in this embodiment, the two sides of the belt 1 are respectively provided with the first driving assemblies, the jacks 53 may adopt a dual-input shaft structure, the jacks 53 on the two sides may be connected through the connecting shaft 55, the first motor 54 may simultaneously drive the screw rods 51 on the two sides to rotate, the two jacks 53 may be lifted synchronously, the bearing capacity in the vertical direction is increased, and the large-size brush roller 2 is suitable for stable lifting. Specifically, the connecting shaft 55 is coupled to the other input shaft of the jack 53 to transmit torque. Further, a second bearing seat 9 is provided on the connecting shaft 55 at one side of the coupling to ensure stability of torque transmission.

The second drive assembly may be of any suitable construction. In the present disclosure, according to some embodiments, referring to fig. 2 and 3, the second driving assembly includes a second motor 61 for driving the brush roller 2 to rotate, and a transmission assembly disposed between the second motor 61 and the brush roller 2, the second motor 61 realizes torque transmission through the transmission assembly, the brush roller 2 is driven to rotate, and the brush roller 2 rotates in a direction opposite to the belt 1, so as to effectively remove dust on the surface of the belt 1. Further, the control component is connected with the second motor 61, and the second motor 61 can automatically control the rotation of the brush roller 2.

Further, in this embodiment, referring to fig. 2 and 3, the transmission assembly may include a first pulley 62 installed at an output end of the second motor 61, a second pulley 63 installed on a roller shaft of the brush roller 2, and a conveyor belt 64 sleeved on the first pulley 62 and the second pulley 63, wherein the second motor 61 realizes torque transmission through the conveyor belt 64 to drive the brush roller 2 to rotate to clean the surface of the belt 1. It should be noted that the transmission assembly may be provided in any suitable form, and fall within the scope of the present disclosure.

Referring to fig. 1, in this embodiment, a guide rail 10 may be further disposed on the frame 3, a slider 11 is slidably disposed on the guide rail 10, and the slider 11 is fixedly connected to the supporting seat 4, so that the slider 11 moves up and down along the guide rail 10 to guide the lifting of the supporting seat 4. It should be noted that the guiding structure may be configured in any other suitable form, and all fall within the scope of the present disclosure.

According to some embodiments, referring to fig. 4, the air extraction assembly includes: the material receiving box 71 and the negative pressure fan 72 are arranged below the brush roller 2, the discharge hole of the material receiving box 71 and the hose 73 of the negative pressure fan 72 are connected, two ends of the material receiving box 71 are fixedly connected to the supporting seats 4 on two sides and can be lifted along with the supporting seats 4, and the material receiving box 71 and the negative pressure fan 72 are connected through the hose 73, so that the lifting motion of the material receiving box 71 cannot influence the negative pressure fan 72, and the problem that the connection part is loosened is caused. A negative pressure system is formed by the action of the negative pressure fan 72, and dust is pumped into the collecting box 71 through the hose 73 so as to be automatically and quickly pumped away. Further, the control assembly is connected with the negative pressure fan 72, and automatic control of the negative pressure fan 72 can be achieved.

Further, referring to fig. 4, a filter screen 74 is disposed on the hose 73 between the material receiving box 71 and the negative pressure fan 72, the filter screen 74 is used for filtering dust, the filtered gas can be directly discharged to the room, and the filter screen 74 can be periodically cleaned.

According to some embodiments, the control system comprises a PLC and a touch screen, the PLC is in signal connection with the first driving assembly, the second driving assembly and the suction assembly respectively, the operation is simple and convenient through the touch screen, and the automatic control of the whole belt cleaning system can be realized.

According to the second aspect of the present disclosure, a G8.5 glass substrate belt conveyor is further provided, where the G8.5 glass substrate belt conveyor includes the belt cleaning system provided in the present disclosure, and the belt cleaning system described above is integrally fixed on the belt conveyor to implement a cleaning operation on a belt, and the G8.5 glass substrate belt conveyor has the same advantages as the belt cleaning system described above with respect to the prior art, and is not described herein again.

The preferred embodiments of the present disclosure are described in detail with reference to the accompanying drawings, however, the present disclosure is not limited to the specific details of the above embodiments, and various simple modifications may be made to the technical solution of the present disclosure within the technical idea of the present disclosure, and these simple modifications all belong to the protection scope of the present disclosure.

It should be noted that, in the foregoing embodiments, various features described in the above embodiments may be combined in any suitable manner, and in order to avoid unnecessary repetition, various combinations that are possible in the present disclosure are not described again.

In addition, any combination of various embodiments of the present disclosure may be made, and the same should be considered as the disclosure of the present disclosure, as long as it does not depart from the spirit of the present disclosure.

Claims

1. A belt cleaning system, the belt (1) being for conveying glass substrates, characterized in that the belt cleaning system comprises:

the brush roller (2) is arranged below the belt (1);

the first driving assembly is arranged on the frame (3) and used for driving the brush roller (2) to move up and down to approach or separate from the belt (1);

a second drive assembly for driving the brush roller (2) to counter-rotate relative to the belt (1) when the brush roller (2) is moved upwards into contact with the belt (1);

the suction assembly is arranged below the brush roller (2) and is used for sucking dust swept on the brush roller (2); and

2. The belt cleaning system as claimed in claim 1, wherein a support base (4) is fixed to each of both sides of the frame (3) in the conveying direction of the belt (1), both ends of the brush roller (2) are rotatably mounted on the support base (4) through a first bearing housing (8), the first driving assembly includes a lead screw (51) connected to the support base (4), a nut (52) mounted on the lead screw (51), and a power member driving the lead screw (51) to rotate, the bottom wall of the support base (4) abuts against the nut (52), and the control assembly is connected to the power member.

3. A belt cleaning system as claimed in claim 2, characterized in that said power member comprises a jack (53) fixed to said frame (3) and a first motor (54), said screw (51) being connected to an output shaft of said jack (53), said first motor (54) being connected to an input shaft of said jack (53).

4. The belt cleaning system as claimed in claim 3, wherein the first driving assembly is respectively provided at both sides of the belt (1), and the jacks (53) at both sides are connected by a connecting shaft (55), and the first motor (54) can simultaneously drive the screw rods (51) at both sides to rotate.

5. A belt cleaning system as claimed in claim 1, characterized in that a support base (4) is fixed to the frame (3) on each side in the conveying direction of the belt (1), the brush roller (2) is rotatably mounted on the support base (4) at both ends thereof by means of a first bearing block (8), the second drive assembly comprises a second motor (61) for driving the brush roller (2) to rotate, and a transmission assembly provided between the second motor (61) and the brush roller (2), and the control assembly is connected to the second motor (61).

6. A belt cleaning system as claimed in claim 5, characterized in that the transmission assembly comprises a first pulley (62) mounted at the output of the second motor (61), a second pulley (63) mounted on the roller shaft of the brush roller (2), and a conveyor belt (64) fitted over the first pulley (62) and the second pulley (63).

7. The belt cleaning system according to claim 2 or 5, characterized in that the air draft assembly comprises a material receiving box (71) arranged below the brush roller (2), a negative pressure fan (72) and a hose (73) connecting a material outlet of the material receiving box (71) and the negative pressure fan (72), two ends of the material receiving box (71) are fixedly connected to the supporting base (4), and the control assembly is connected with the negative pressure fan (72).

8. A belt cleaning system as claimed in claim 7, characterized in that a filter screen (74) is arranged on the hose (73) between the collection box (71) and the negative pressure fan (72).

9. A belt cleaning system as claimed in claim 1, wherein said control system comprises a PLC controller and a touch screen, said PLC controller being in signal connection with said first drive assembly, said second drive assembly, and said suction assembly, respectively.

10. A G8.5 glass substrate belt conveyor comprising the belt cleaning system of any of claims 1-9.