CN220549732U - Distance adjusting device and glass substrate conveying device - Google Patents

Abstract

The utility model relates to the technical field of glass substrate conveying, in particular to a distance adjusting device and a glass substrate conveying device. The pitch adjustment device includes: the gear box assembly comprises a gear box and a transmission gear, the transmission gear is rotatably arranged in the gear box, a chute is arranged at the bottom of the gear box, and the top of the gear box is used for installing a roller component; the rack is arranged in the chute, the top of the rack is meshed with the transmission gear, the bottom wall of the rack is lower than the bottom wall of the gear box, and the bottom wall of the rack is arranged on the rack of the glass substrate conveying device; and the driving device can drive the transmission gear to rotate so that the gear box assembly can move along the length direction of the rack. The utility model aims to solve the technical problems that: manual adjustment of the spacing between the two roller members results in reduced production efficiency.

Description

Distance adjusting device and glass substrate conveying device

Technical Field

The utility model relates to the technical field of glass substrate conveying, in particular to a distance adjusting device and a glass substrate conveying device.

Background

In the process of processing a glass substrate, it is necessary to use a glass substrate transfer apparatus to transfer the glass substrate. The glass substrate conveying device comprises a frame and a plurality of transmission roller groups which are arranged along the conveying direction of the glass substrate. As shown in fig. 1, each driving roller group includes two roller members 1 mounted on a frame at intervals.

However, the length-width dimensions of different types of glass substrates may be different. In some transfer links, some glass substrates may have a width less than the spacing between the two roller members, and some may exceed the spacing between the two roller members. The field personnel need to manually adjust the spacing between the two roller members to enable the drive roller set to fit the model glass substrate. However, the roller component needs to be disassembled and reinstalled manually in the manual adjustment process, so that the manual adjustment takes a long time, and the production efficiency is reduced.

Disclosure of Invention

The utility model aims to solve the technical problems that: manual adjustment of the spacing between the two roller members results in reduced production efficiency.

In order to solve the above technical problems, an embodiment of the present utility model provides a pitch adjustment device, including: the gear box assembly comprises a gear box and a transmission gear, the transmission gear is rotatably arranged in the gear box, a chute is arranged at the bottom of the gear box, and the top of the gear box is used for installing a roller component; the rack is arranged in the chute, the top of the rack is meshed with the transmission gear, the bottom wall of the rack is lower than the bottom wall of the gear box, and the bottom wall of the rack is arranged on the rack of the glass substrate conveying device; and the driving device can drive the transmission gear to rotate so that the gear box assembly can move along the length direction of the rack.

In some embodiments, a limiting structure capable of preventing the gear box from being separated from the gear rack is arranged between the gear rack and the gear box.

In some embodiments, the limit structure includes a limit groove and a limit bump that are adapted, the limit groove is disposed on one of a side wall of the rack and a side wall of the chute, and the limit bump is disposed on the other of the side wall of the rack and the side wall of the chute.

In some embodiments, the gear box assembly and the rack are formed as an adjustment structure, the pitch adjustment device includes a plurality of adjustment structures spaced apart along a width direction of the rack, and the drive gears of adjacent two adjustment structures are connected by a drive shaft; the driving device can drive the transmission gear of one of the adjusting structures to drive the other transmission gears to rotate.

In some embodiments, the gearbox is provided with a sensing component; the interval adjusting device comprises a first sensor, wherein the first sensor is electrically connected with the driving device and is used for being arranged on a rack of the glass substrate conveying device; wherein, based on the forward drive of drive arrangement, when the response part is located the first preset position that can be sensed by first sensor, first sensor control drive arrangement shuts down.

In some embodiments, the spacing adjustment device includes a second sensor electrically connected to the drive device, the second sensor for mounting on a frame of the glass substrate transport device; wherein, based on the reverse drive of drive arrangement, when the response part is located the second preset position that can be sensed by the second sensor, second sensor control drive arrangement shut down.

In some embodiments, the drive device is a servo motor.

In some embodiments, two sections of the rack sleeve, which are positioned outside the sliding groove, are respectively sleeved with a telescopic dust sleeve.

In some embodiments, the gearbox is provided with an oil filler hole.

The utility model also provides a glass substrate conveying device, which comprises a frame, two roller components and the distance adjusting device; the two roller components are parallel and distributed at intervals, one roller component is mounted on the top surface of the frame, the bottom wall of the rack of the interval adjusting device is mounted on the top surface of the frame, and the other roller component is mounted on the top of the gear box of the interval adjusting device.

Through the technical scheme, the interval adjusting device provided by the utility model has the following beneficial effects:

the bottom of the rack can be mounted on the frame of the glass substrate conveyor such that the rack acts as a track for movement. The rack is mounted in a chute of the gear box, and a transmission gear in the gear box is engaged with the rack, so that the gear box assembly can reciprocate along the rack when the driving device drives the transmission gear to rotate in a forward or reverse direction. The top of gear box can be connected with one of them gyro wheel part, and reciprocating motion's gear box can drive this gyro wheel part and remove, and then adjusts the interval between two gyro wheel parts to make glass substrate conveyer can adapt to the glass substrate of all models. Therefore, the interval adjusting device is adopted to adjust the interval between the two roller components, the process of manually disassembling and reinstalling the roller components is omitted, the interval adjusting time is shortened, and the production efficiency is improved.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a perspective view of a drive roller set;

FIG. 2 is a schematic illustration of the mounting position of an intermediate distance adjustment device according to an embodiment of the present utility model;

FIG. 3 is a partial schematic view of an intermediate distance adjustment device mounting position in accordance with an embodiment of the present utility model;

FIG. 4 is a schematic view of an intermediate distance adjusting device according to an embodiment of the present utility model;

FIG. 5 is a schematic view of an installation of a pitch adjustment device according to an embodiment of the present utility model;

FIG. 6 is a schematic view of the installation of a dust boot in an embodiment of the utility model.

Reference numerals illustrate:

1. a roller member; 2. a gear box assembly; 21. a gear box; 211. a chute; 212. a limit bump; 213. an induction member; 214. an oil filling hole; 22. a transmission shaft; 3. a rack; 31. a limit groove; 32. a dust cover; 4. a driving device; 5. a first sensor; 6. and a second sensor.

Detailed Description

Embodiments of the present utility model are described in further detail below with reference to the accompanying drawings and examples. The following detailed description of the embodiments and the accompanying drawings are provided to illustrate the principles of the utility model and are not intended to limit the scope of the utility model, which may be embodied in many different forms and not limited to the specific embodiments of the utility model herein, but include all technical solutions falling within the scope of the claims.

These embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the utility model to those skilled in the art. It should be noted that: the relative arrangement of parts and steps, the composition of materials, numerical expressions and numerical values set forth in these embodiments should be construed as exemplary only and not limiting unless otherwise specifically stated.

In the description of the present utility model, unless otherwise indicated, the meaning of "plurality of" means greater than or equal to two; the terms "upper," "lower," "left," "right," "inner," "outer," and the like are merely used for convenience in describing the present utility model and to simplify the description, and do not denote or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus are not to be construed as limiting the present utility model. When the absolute position of the object to be described is changed, the relative positional relationship may be changed accordingly.

Furthermore, the use of the terms first, second, and the like in the present application are not used for any order, quantity, or importance, but rather are used for distinguishing between different parts. The "vertical" is not strictly vertical but is within the allowable error range. "parallel" is not strictly parallel but is within the tolerance of the error. The word "comprising" or "comprises" and the like means that elements preceding the word encompass the elements recited after the word, and not exclude the possibility of also encompassing other elements.

It should also be noted that, in the description of the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present utility model can be understood as appropriate by those of ordinary skill in the art. When a particular device is described as being located between a first device and a second device, there may or may not be an intervening device between the particular device and either the first device or the second device.

All terms used herein have the same meaning as understood by one of ordinary skill in the art to which the present utility model pertains, unless specifically defined otherwise. It will be further understood that terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning that is consistent with their meaning in the context of the relevant art and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein.

Techniques, methods, and apparatus known to one of ordinary skill in the relevant art may not be discussed in detail, but where appropriate, the techniques, methods, and apparatus should be considered part of the specification.

As shown in fig. 2 to 6, the present utility model provides a pitch adjustment device including a gear case assembly 2, a rack 3, and a driving device 4. The gear case assembly 2 includes a gear case 21 and a transmission gear rotatably installed in the gear case 21, a slide groove 211 is provided at the bottom of the gear case 21, and the top of the gear case 21 is used for installing the roller member 1. The rack 3 is installed in the chute 211, the top of the rack 3 is engaged with the transmission gear, the bottom wall of the rack 3 is lower than the bottom wall of the gear case 21, and the bottom wall of the rack 3 is used for being installed on the frame of the glass substrate conveying device. The drive means 4 is capable of driving the transmission gear in rotation to enable the gearbox assembly 2 to move along the length of the rack 3. The drive means 4 may also be mounted on the roller member 1.

Specifically, the gear box 21 is provided with an inner cavity in which the transmission gear is located. The drive gear is rotatably connected to a pair of opposite side walls of the gear case 21 by a gear shaft. For example, a transmission gear is provided on a gear shaft, and the transmission gear is connected to the gear shaft in a keyed manner, and both ends of the gear shaft are rotatably connected to a pair of opposite side walls of the gear case 21 through bearings, respectively. The driving device 4 is connected with the gear shaft to drive the transmission gear to rotate. The bottom of the gear box 21 is provided with a slide groove 211, which slide groove 211 is recessed from the bottom surface of the gear box 21 to the top surface of the gear box 21. The bottom wall of the gear case 21 has a straight passage, and the other pair of side walls of the gear case 21 are respectively provided with grooves, and the grooves and the passage constitute the slide groove 211. The rack 3 is installed in the sliding groove 211, and since the length of the rack 3 is greater than the length or width of the gear case 21, the rack 3 protrudes from both sides of the gear case 21. The transmission gear of the gear box 21 is meshed with the rack 3. The drive teeth of the rack 3 are located on top of the rack 3, so the pinion is also located on top of the rack 3. The bottom of the rack 3 is for mounting on a frame of the glass substrate transfer apparatus, so the rack 3 is a member for being fixed. The bottom surface of the rack 3 is lower than the bottom surface of the gear box 21, so that a certain distance is reserved between the gear box 21 and the rack, and friction interference is not formed between the gear box 21 and the rack. The top of the gear box 21 is used for being connected with one of the roller components 1; and a fixed rack 3 is mounted with its longitudinal direction perpendicular to the longitudinal direction of the roller member 1. The gear box 21 moves the roller members 1, so that the distance between the two roller members 1 is changed.

In the present embodiment, the bottom of the rack 3 can be mounted on the frame of the glass substrate transfer apparatus such that the rack 3 serves as a moving rail. The rack 3 is installed in the sliding groove 211 of the gear case 21, and the transmission gear in the gear case 21 is engaged with the rack 3, so that the gear case assembly 2 can reciprocate along the rack 3 when the driving device 4 drives the transmission gear to rotate in the forward or reverse direction. The top of the gear box 21 can be connected with one of the roller components 1, and the reciprocating gear box 21 can drive the roller components 1 to move, so that the distance between the two roller components 1 can be adjusted, and the glass substrate conveying device can be adapted to all types of glass substrates. Therefore, the interval adjusting device is adopted to adjust the interval between the two roller components 1, the process of manually disassembling and reinstalling the roller components 1 is omitted, the interval adjusting time is shortened, and the production efficiency is improved.

In some embodiments, a pad is provided on top of the gearbox 21 for connection with one of the roller members 1.

In some embodiments of the present utility model, a limiting structure capable of preventing the gear case 21 from being separated from the gear rack 3 is provided between the gear rack 3 and the gear case 21.

Specifically, the limit structure may limit the movement of the gear case 21 in the thickness direction of the rack 3 during the movement of the gear case assembly 2 along the rack 3, so as to prevent the gear case 21 or the gear case assembly 2 from being separated from the rack 3.

As shown in fig. 3, 4 and 6, in some embodiments of the present utility model, the limit structure includes a limit groove 31 and a limit projection 212 that are adapted, the limit groove 31 is disposed on one of the side wall of the rack 3 and the side wall of the chute 211, and the limit projection 212 is disposed on the other of the side wall of the rack 3 and the side wall of the chute 211.

Specifically, the limiting groove 31 is arranged on the side wall of the rack 3, and the limiting bump 212 is arranged in the side wall of the sliding groove 211; or the limit groove 31 is provided in the side wall of the slide groove 211, and the limit groove 31 is provided on the side wall of the rack 3. The length direction of the limiting groove 31 is consistent with the length direction of the rack 3, and the width direction of the limiting groove 31 is vertical. The limit projection 212 extends into the limit groove 31. The limit bump 212 can move along the limit groove 31 relatively when the driving device 4 drives the gear case assembly 2 to move. And during the movement of the gear case assembly 2, the cooperation between the limit projection 212 and the limit groove 31 can limit the movement of the gear case 21 in the thickness direction of the rack 3, thereby preventing the gear case 21 or the gear case assembly 2 from being separated from the rack 3. Of course, the shape of the limit bump 212 is adapted to the shape of the limit groove 31, so as to avoid the gear case assembly 2 from shaking in the width direction of the rack 3.

In some embodiments, two sides of the rack 3 in the width direction are respectively provided with a limit groove 31, and two side walls of the chute 211 are respectively provided with a limit bump 212; the two limit projections 212 and the two limit grooves 31 are respectively in one-to-one correspondence, and the limit projections 212 extend into the corresponding limit grooves 31 to limit the movement of the gear case 21 in the thickness direction of the rack 3.

As shown in fig. 4 and 5, in some embodiments of the present utility model, the gear case assembly 2 and the rack 3 are formed as an adjustment structure, the pitch adjustment means includes a plurality of adjustment structures spaced apart in the width direction of the rack 3, and the transmission gears of adjacent two adjustment structures are connected by a transmission shaft 22; the driving device 4 can drive the transmission gear of one of the adjusting structures to drive the other transmission gears to rotate.

In particular, the gearbox assembly 2 of each adjustment structure is movable along its corresponding rack 3 when the drive means 4 is driven. Of course, the gearboxes 21 of all the adjusting structures are connected with the same roller component 1, so that all the parts of the roller component 1 can synchronously move, and the adjusting precision of the interval adjusting device is further improved.

In some embodiments, the drive shaft 22 is coupled to a gear shaft of a drive gear via a coupling.

As shown in fig. 3, in some embodiments of the present utility model, a sensing member 213 is provided on the gear case 21; the distance adjusting device comprises a first sensor 5, the first sensor 5 is electrically connected with the driving device 4, and the first sensor 5 is used for being installed on a rack of the glass substrate conveying device; wherein, based on the forward driving of the driving device 4, when the sensing member 213 is located at a first preset position that can be sensed by the first sensor 5, the first sensor 5 controls the driving device 4 to be turned off.

Specifically, the sensing member 213 is mounted at the bottom of the gear case 21, and the sensing member 213 extends downward. I.e. the bottom of the sensing member 213 is located below the bottom of the gearbox 21. When the driving device 4 drives the gear box assembly 2 forwards, the gear box assembly 2 drives the sensing part 213 to move forwards, and when the sensing part 213 moves forwards to a first preset position, the first sensor 5 installed on the rack can sense the sensing part 213, at this time, the first sensor 5 sends a shutdown electric signal to the driving device 4, that is, the first sensor 5 controls the driving device 4 to be shut down, the driving device 4 stops driving the gear box assembly 2, and the gear box 21 stops at a limit position of forward movement. The movement range of the gear case assembly 2 is limited by the cooperation between the first sensor 5, the sensing member 213, and the driving device 4 to avoid collision of the gear case assembly 2 with other components of the glass substrate transfer device.

The sensing member 213 may be mounted on the top or side of the gear case 21, and the present utility model is not limited thereto. The sensing member 213 may be a bar-shaped member or a plate-shaped member, and the present utility model is not limited thereto.

As shown in fig. 3, in some embodiments of the present utility model, the spacing adjustment device includes a second sensor 6, the second sensor 6 being electrically connected to the driving device 4, the second sensor 6 being for mounting on a frame of the glass substrate conveying device; wherein, based on the reverse driving of the driving device 4, when the sensing member 213 is located at the second preset position sensed by the second sensor 6, the second sensor 6 controls the driving device 4 to be turned off.

Specifically, when the driving device 4 drives the gear box assembly 2 backward, the gear box assembly 2 drives the sensing part 213 to move backward, and when the sensing part 213 moves backward to a second preset position, the second sensor 6 mounted on the rack can sense the sensing part 213, and at this time, the second sensor 6 sends a shutdown electric signal to the driving device 4, that is, the second sensor 6 controls the driving device 4 to be shutdown, the driving device 4 stops driving the gear box assembly 2, and the gear box 21 stops at a limit position of backward movement. The range of movement of the gear case assembly 2 is limited by the cooperation between the second sensor 6, the sensing member 213 and the driving device 4 to avoid collision of the gear case assembly 2 with other components of the glass substrate transfer device.

It should be noted that the first sensor 5 and the second sensor 6 may be sensor devices commonly used in the art, and the principles and structures of the present utility model are not repeated herein. In some embodiments, the first sensor 5 and the second sensor 6 may be proximity switches, and the sensing member 213 is a member made of metal.

In addition, in the present utility model, forward refers to a direction of controlling to decrease the spacing between the two roller members 1, and backward refers to a direction of controlling to increase the spacing between the two roller members 1.

In some embodiments of the utility model, the driving means 4 is a servo motor.

In particular, the first sensor 5 and the second sensor 6 are able to transmit signals to the servomotor to control the shut-down of the servomotor. The servo motor has a small structure and is convenient to use, and the transmission requirement of the gearbox assembly 2 in the utility model can be met. Of course, the driving device 4 may take other forms, and the present utility model is not limited thereto.

In some embodiments, the servo motor is coupled to a gear shaft of the transfer gear via a speed reducer.

In some embodiments of the present utility model, as shown in fig. 2 and 6, two sections of the rack 3 sleeve outside the sliding slot 211 are respectively sleeved with a telescopic dust cover 32.

Specifically, the length of the rack 3 is greater than the length of the gear case 21, so that two sections with the rack 3 are respectively located outside the slide grooves 211, one section is located at the front side of the gear case 21, and the other section is located at the front side of the gear case 21. The length of the two segments will change as the gearbox 21 moves forward or backward. The two sections are respectively sleeved with an elastic and telescopic dust cover 32. The dust cover 32 can prevent dust and other pollutants from falling onto the rack 3, thereby affecting the engagement between the transmission gear and the rack 3.

In order to make the position and structure of the rack 3 clearer, only a part of the dust cover 32 is shown in fig. 3 and 6.

As shown in fig. 3, in some embodiments of the present utility model, the gear case 21 is provided with an oil filler hole 214.

Specifically, the oil hole 214 communicates with the interior of the gear case 21, and the lubricating oil can enter the interior of the gear case 21 through the oil hole 214. In some embodiments, the oil filler holes 214 are near the meshing points of the drive gear and rack 3 to facilitate simultaneous lubrication of the drive gear and rack 3. In some embodiments, the number of oil holes 214 is multiple.

As shown in fig. 2, the present utility model also provides a glass substrate transfer apparatus comprising a frame, two roller members 1, and the above-mentioned pitch adjustment device. The two roller components 1 are parallel and distributed at intervals, one roller component 1 is arranged on the top surface of the frame, the bottom wall of the rack 3 of the interval adjusting device is arranged on the top surface of the frame, and the other roller component 1 is arranged on the top of the gear box 21 of the interval adjusting device.

Specifically, the glass substrate conveying device comprises a frame and two roller components 1, wherein the two roller components 1 are a first roller component and a second roller component 1 respectively, and the first roller component is fixedly installed on the frame. The bottom of the rack 3 is mounted on the frame, the gear box assembly 2 is mounted on the rack 3, and the bottom of the gear box 21 is higher than the top of the frame to avoid friction between the gear box 21 and the frame. The top of the gear box 21 is mounted to the bottom of the second roller member 1 and the driving device 4 is also mounted to the bottom of the second roller member 1. The driving device 4 drives the transmission gear to rotate, so that the gear box assembly 2 moves forwards or backwards, and the second roller component 1 is driven to move forwards or backwards. When the gear box assembly 2 moves forwards, the distance between the second roller component 1 and the first roller component is reduced, so that the glass substrate conveying device can be suitable for glass substrates with smaller length and width dimensions; when the gear case assembly 2 moves backward, the interval between the second roller member 1 and the first roller member increases, so that the glass substrate transfer apparatus can be adapted to a glass substrate having a large length and width. The spacing adjustment means can adjust the spacing between the two roller members 1 so that the glass substrate transfer device can be adapted to all types of glass substrates.

In the present utility model, it should be noted that the drive motor or the transmission gear rotates in the forward direction, so that the distance between the two roller members 1 can be reduced; the drive motor or the transmission gear reversely rotates, so that the distance between the two roller components 1 can be increased; the gearbox 21 or the gearbox assembly 2 is moved forward, enabling the spacing between the two roller members 1 to be reduced; the gearbox 21 or the gearbox assembly 2 is moved backwards, enabling the spacing between the two roller members 1 to be increased; the front side of the gear case 21 refers to the forward side of the gear case 21, and the rear side of the gear case 21 refers to the rearward side of the gear case 21. Thus, various embodiments of the present utility model have been described in detail. In order to avoid obscuring the concepts of the utility model, some details known in the art have not been described. How to implement the inventive solutions herein will be fully apparent to those skilled in the art from the above description.

While certain specific embodiments of the utility model have been described in detail by way of example, it will be appreciated by those skilled in the art that the above examples are for illustration only and are not intended to limit the scope of the utility model. It will be understood by those skilled in the art that the foregoing embodiments may be modified and equivalents substituted for elements thereof without departing from the scope and spirit of the utility model. In particular, the technical features mentioned in the respective embodiments may be combined in any manner as long as there is no structural conflict.

Claims (10)

1. A pitch adjustment device, comprising:

the gear box assembly (2), the gear box assembly (2) comprises a gear box (21) and a transmission gear, the transmission gear is rotatably arranged in the gear box (21), a sliding groove (211) is formed in the bottom of the gear box (21), and the top of the gear box (21) is used for installing a roller component (1);

the rack (3) is arranged in the sliding groove (211), the top of the rack (3) is meshed with the transmission gear, the bottom wall of the rack (3) is lower than the bottom wall of the gear box (21), and the bottom wall of the rack (3) is used for being arranged on a rack of the glass substrate conveying device; and

and the driving device (4) can drive the transmission gear to rotate so that the gear box assembly (2) can move along the length direction of the rack (3).

2. Pitch adjustment device according to claim 1, characterized in that a limit structure is provided between the rack (3) and the gearbox (21) which can prevent the gearbox (21) from disengaging from the rack (3).

3. The spacing adjustment device according to claim 2, characterized in that the spacing structure comprises an adapted spacing groove (31) and a spacing projection (212), the spacing groove (31) being provided on one of the side walls of the rack (3) and the side walls of the chute (211), the spacing projection (212) being provided on the other of the side walls of the rack (3) and the side walls of the chute (211).

4. A spacing adjustment device according to any one of claims 1-3, characterized in that the gearbox assembly (2) and the rack (3) are formed as an adjustment structure, that the spacing adjustment device comprises a plurality of adjustment structures spaced apart in the width direction of the rack (3), and that the transmission gears of adjacent two adjustment structures are connected by a transmission shaft (22);

the driving device (4) can drive the transmission gear of one of the adjusting structures to drive the other transmission gears to rotate.

5. A spacing adjustment device according to any one of claims 1-3, characterized in that the gearbox (21) is provided with an inductive component (213);

the distance adjusting device comprises a first sensor (5), wherein the first sensor (5) is electrically connected with the driving device (4), and the first sensor (5) is used for being installed on a rack of the glass substrate conveying device;

wherein, based on the forward driving of the driving device (4), when the sensing part (213) is located at a first preset position which can be sensed by the first sensor (5), the first sensor (5) controls the driving device (4) to be turned off.

6. The spacing adjustment device according to claim 5, characterized in that it comprises a second sensor (6), which second sensor (6) is electrically connected to the drive device (4), which second sensor (6) is intended to be mounted on a frame of a glass substrate transport device;

wherein, based on the back drive of the driving device (4), when the sensing part (213) is located at a second preset position which can be sensed by the second sensor (6), the second sensor (6) controls the driving device (4) to be shut down.

7. Pitch adjustment device according to claim 6, characterized in that the drive device (4) is a servo motor.

8. A spacing adjustment device according to any one of claims 1-3, characterized in that two sections of the rack (3) outside the chute (211) are each provided with a telescopic dust cover (32).

9. A spacing adjustment device according to any one of claims 1-3, characterized in that the gearbox (21) is provided with oil holes (214).

10. A glass substrate transfer device characterized in that it comprises a frame, two roller members (1) and a spacing adjustment device according to any one of claims 1-9;

the two roller components (1) are parallel and distributed at intervals, one roller component (1) is mounted on the top surface of the frame, the bottom wall of the rack (3) of the interval adjusting device is mounted on the top surface of the frame, and the other roller component (1) is mounted on the top of the gear box (21) of the interval adjusting device.