CN221253775U

CN221253775U - Panel conveying device

Info

Publication number: CN221253775U
Application number: CN202323191505.4U
Authority: CN
Inventors: 何潘生
Original assignee: LG Display Optoelectronics Technology China Co Ltd
Current assignee: LG Display Optoelectronics Technology China Co Ltd
Filing date: 2023-11-24
Publication date: 2024-07-02
Anticipated expiration: 2033-11-24

Abstract

The utility model discloses a panel carrying device which comprises a base, wherein a driving piece, a screw rod and a mounting seat are arranged on the base, the driving piece is in transmission connection with the bottom end of the screw rod through a gear set, a mechanical arm is in transmission connection with the screw rod, and the driving piece can drive the screw rod to rotate so as to drive the mechanical arm to move along the vertical direction; the installation seat comprises a fixed plate fixed on the base and a lifting seat positioned below the fixed plate, the fixed plate is connected with the lifting seat through a lifting mechanism, the driving piece is arranged on the lifting seat, an opening is formed in the fixed plate, and the lifting mechanism can drive the lifting seat to move along the vertical direction so as to drive the driving piece to move and keep being connected with the gear set. The lifting mechanism bears and drives the vertically movable driving piece to finish the installation of the driving piece, so that the driving piece can vertically move and is connected with the driving gear set to drive the screw rod to rotate, the driving piece is not required to be manually lifted for installation, the condition that the driving piece falls down due to manual sliding and the like in the installation process is avoided, and the safety is good.

Description

Panel conveying device

Technical Field

The utility model relates to the field of panel manufacturing equipment, in particular to a panel conveying device.

Background

In the production process of the display panel, the glass substrate needs to be conveyed in the horizontal direction and the vertical direction, and the conveying in the vertical direction is generally performed by adopting a glass substrate lifting device. Referring to fig. 1, in the prior art, a glass substrate lifting device generally includes a base 1', a driving motor 2', two driving screws 3', and a mechanical arm 4' are disposed on the base 1', the mechanical arm 4' is used for bearing a glass substrate, the two driving screws 3 'are respectively connected with the same mechanical arm 4', a mounting plate 6 'is disposed at the position, adjacent to the bottom, of the base 1', the mounting plate 6 'is located below the driving screws 3', a transmission mechanism (for example, a gear set 5 ') is connected at the bottom end of the driving screws 3', an avoidance opening is disposed at the mounting plate 6', the driving motor 2' is fixed on the mounting plate 6 'through screws, and an output end of the driving motor 2' passes through the avoidance opening and is connected with the transmission mechanism. The driving motor 2' can drive the two driving screw rods 3' to synchronously rotate through the transmission mechanism and drive the mechanical arm 4' to lift and move, so that glass substrates are conveyed in the vertical direction. The prior art has the following defects: since the driving motor 2' is heavy, a plurality of people need to lift the driving motor 2' during installation, and then lock the driving motor 2' on the installation plate 6' by upwards screwing the screws from the bottom of the base 1 '. However, in the process of lifting and fixing the driving motor 2', workers are easily injured due to the sliding of the driving motor 2' caused by hand sliding, and potential safety hazards exist.

Disclosure of utility model

The utility model aims at: the panel carrying device is simple in structure, capable of avoiding lifting and installing the driving piece, and high in safety, and the driving piece is prevented from sliding down to cause a bruise accident in the installation process.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

The panel carrying device comprises a base, wherein a driving piece and a vertically extending screw rod are arranged on the base, the driving piece is in transmission connection with the bottom end of the screw rod through a gear set, a mechanical arm is in transmission connection with the screw rod, and the driving piece can drive the screw rod to rotate so as to drive the mechanical arm to move along the vertical direction;

still be provided with the mount pad on the base, the mount pad includes the fixed plate and is located the elevating platform of fixed plate below, the fixed plate is fixed on the base, just be provided with the opening on the fixed plate, connect through elevating system between fixed plate and the elevating platform, the driving piece install in on the elevating platform, elevating system can order about the elevating platform is along vertical direction removal, so as to drive the driving piece removes, makes the output of driving piece pass the opening with the gear train is connected.

As a preferable mode of the panel conveying device, the lifting seat is provided with a tray in a sliding manner, the tray part can slide to the outside of the lifting seat, and the driving member is mounted on the tray.

As a preferable scheme of the panel carrying device, the lifting seat is provided with a sliding rail, the tray is arranged on the sliding rail in a sliding manner, one side of the lifting seat, which is along the direction from the tray to the inside of the lifting seat, is provided with a positioning baffle plate, and the positioning baffle plate is used for positioning the tray so that the driving piece is aligned with the gear set.

As a preferable scheme of the panel carrying device, a limit block is arranged on one side of the direction from the tray to the outside of the lifting seat, and the limit block is used for limiting the tray to be separated from the slide rail.

As a preferred aspect of the panel handling device, the panel handling device further includes a stopper for restricting movement of the tray relative to the slide rail to hold the tray against the positioning baffle.

As a preferable mode of the panel handling device, one of the positioning baffle plate and the tray is provided with a slot, and the other of the positioning baffle plate and the tray is provided with a plug-in part which is in plug-in fit with the slot;

The plug-in part is provided with two opposite inclined planes, the inclined planes are obliquely arranged from the direction close to the slot towards the direction far away from the slot to the outer side of the plug-in part, the slot is just opposite to the slot wall of the inclined planes, the slot is concavely provided with a mounting groove, the stop piece comprises an elastic piece and balls, each mounting groove is internally provided with the elastic piece, the elastic piece is connected with the balls, and the elastic piece can drive the balls to extend into the slot and tightly prop against the inclined planes.

As a preferable scheme of the panel carrying device, the gear set comprises a driving gear and a driven gear which are meshed, the driven gear is arranged on the screw rod, the driving piece is arranged on one side surface of the lifting seat, which is opposite to the fixed plate, the driving gear is positioned above the driving piece, an opening is formed in the fixed plate, and the output end of the driving piece penetrates through the opening and is connected with the driving gear through a key.

As a preferable scheme of the panel carrying device, the lifting mechanism comprises a lifting frame and a screw, the screw is rotatably arranged on the side surface of the fixed plate, which faces the lifting seat, a first thread and a second thread are arranged on the screw at intervals along the length direction of the screw, the rotation directions of the first thread and the second thread are opposite, the screw is connected with a first sliding block through the first thread, the screw is connected with a second sliding block through the second thread, the screw rotation can drive the first sliding block and the second sliding block to move relatively or reversely, and a third sliding block and a fourth sliding block are slidably arranged on the lifting seat;

The lifting frame comprises at least one group of hinging rods, the hinging rods comprise a first rod and a second rod which are hinged, one end of the first rod is hinged with the first sliding block, and one end of the second rod is hinged with the second sliding block in a group of hinging rods adjacent to the fixed plate; one end of the first rod is hinged with the third sliding block, and one end of the second rod is hinged with the fourth sliding block in a group of hinged rods adjacent to the lifting seat.

As a preferable mode of the panel carrying device, two opposite lifting mechanisms are arranged between the fixing plate and the lifting seat, an accommodating space is formed between the two lifting mechanisms, and the driving piece is installed in the accommodating space.

As a preferable scheme of the panel carrying device, a synchronous belt is connected between the screw rods of the two lifting mechanisms, the end part of at least one screw rod extends to the outside of the fixed plate and is provided with a handle, and the two screw rods can be driven to synchronously rotate by rotating the handle.

The beneficial effects of the utility model are as follows: when installing the driving piece, elevating system can drive the elevating socket and deviate from the fixed plate and vertically move down subaerial to be formed with the installation space that supplies the driving piece to install, can directly place the driving piece on the elevating socket this moment and carry out fixed mounting, then the elevating system is driven to be close to the fixed plate through elevating system and vertically move up, in order to be connected the output and the gear train of driving piece, make the driving piece rotate through drive gear train and drive the lead screw. The lifting mechanism can be used for bearing and driving the vertically movable driving piece to finish the installation of the driving piece, and the driving piece does not need to be manually lifted for installation, so that the situation that the driving piece falls down due to manual sliding and other reasons in the installation process is avoided, and the safety of installing the driving piece is improved.

Drawings

The utility model is described in further detail below with reference to the drawings and examples.

Fig. 1 is a schematic structural view of a panel handling device according to the prior art.

Fig. 2 is a schematic structural diagram of a panel handling device according to an embodiment of the utility model.

Fig. 3 is a first perspective view of a mounting base according to an embodiment of the present utility model.

Fig. 4 is a second perspective view of the mounting base according to the embodiment of the present utility model.

Fig. 5 is a partial cross-sectional view of a mount according to an embodiment of the present utility model.

Fig. 6 is a partial cross-sectional view of the positioning baffle and tray of an embodiment of the present utility model when abutted.

In fig. 1:

1', a base; 2', a driving motor; 3', a transmission screw rod; 4', a mechanical arm; 5', a gear set; 6', a mounting plate;

in fig. 2 to 6:

1. A base; 2. a screw rod; 3. a driving member; 4. a gear set; 41. a drive gear; 42. a driven gear; 6. a mechanical arm; 7. a mounting base; 71. a fixing plate; 711. an opening; 72. a lifting seat; 721. a chute; 73. a lifting mechanism; 731. a lifting frame; 7311. a hinge rod; 7311a, a first lever; 7311b, a second lever; 732. a screw; 7321. a handle; 7322. a first thread; 7323. a second thread; 733. a synchronous belt; 8. a tray; 81. a plug-in part; 811. an inclined plane; 812. a sliding part; 813. a handle; 9. a stopper; 91. an elastic member; 92. a ball; 10. a slide rail; 11. positioning a baffle; 111. a slot; 12. a limiting block; 13. a first slider; 14. a second slider; 15. a third slider; 16. and a fourth slider.

Detailed Description

Advantages and features of the present utility model and methods of accomplishing the same may become apparent with reference to the following detailed description of embodiments taken in conjunction with the accompanying drawings. However, the present utility model is not limited to the embodiments disclosed below, but may be embodied in various different forms, which are provided only for the purpose of completing the disclosure of the present utility model and fully understanding the scope of the present utility model by those skilled in the art, and the present utility model is limited only by the scope of the claims. Like reference numerals denote like constituent elements throughout the specification.

Hereinafter, the present utility model will be described in detail with reference to the accompanying drawings.

The utility model provides a panel carrying device which is used for conveying a panel along a vertical direction. As shown in fig. 2 to 5, the panel handling device includes a base 1, a driving member 3 and a vertically extending screw rod 2 are disposed on the base 1, the driving member 3 is in transmission connection with the bottom end of the screw rod 2 through a gear set 4, a mechanical arm 6 is in transmission connection with the screw rod 2, the driving member 3 can be a motor, the driving member 3 can drive the screw rod 2 to rotate so as to drive the mechanical arm 6 to move along the vertical direction, and thus, the panel on the mechanical arm 6 is conveyed along the vertical direction.

The base 1 is further provided with a mounting seat 7, the mounting seat 7 is adjacent to the bottom of the base 1 and located below the screw rod 2, the mounting seat 7 comprises a fixing plate 71 and a lifting seat 72 located below the fixing plate 71, the fixing plate 71 is fixed on the base 1, an opening 711 is formed in the fixing plate 71, the fixing plate 71 is connected with the lifting seat 72 through a lifting mechanism 73, the driving piece 3 is mounted on the lifting seat 72, and the lifting mechanism 73 can drive the lifting seat 72 to move in the vertical direction. When the driving piece 3 is installed, the lifting mechanism 73 can drive the lifting seat 72 to move vertically downwards away from the fixed plate 71 to the ground so as to form an installation space for installing the driving piece 3, at this time, the driving piece 3 can be directly placed on the lifting seat 72 for fixed installation, and then the lifting seat 72 is driven to move vertically upwards close to the fixed plate 71 by the lifting mechanism 73 so as to connect the output end of the driving piece 3 with the gear set 4 through the opening 711, so that the driving piece 3 can drive the screw rod 2 to rotate by driving the gear set 4 to rotate. This design can utilize elevating system 73 to bear and drive vertical removal driving piece 3 in order to accomplish the installation of driving piece 3, need not the manual work and lift driving piece 3 and install to avoid causing the condition that driving piece 3 dropped because of reasons such as hand is smooth in the installation, improved the security of installation driving piece 3.

Specifically, as shown in fig. 2, the gear set 4 includes a driving gear 41 and a driven gear 42 which are engaged with each other, the driven gear 42 is disposed on the screw rod 2, the driving member 3 is mounted on a side of the lifting seat 72 facing the fixing plate 71, the driving gear 41 is located on the driving member 3, and an output end of the driving member 3 is connected with the driving gear 41 through the opening 711. Illustratively, the center of rotation of the driving gear 41 is provided with a jack in a penetrating manner, the output end of the driving member 3 mounted on the lifting seat 72 is opposite to the jack, the lifting seat 72 can vertically move upwards and keep the output end of the driving member 3 inserted in the jack, one of the hole wall of the jack and the outer side wall of the output end of the driving member 3 protrudes and is provided with a spline, the other of the hole wall of the jack and the outer side wall of the output end of the driving member 3 is provided with a key slot matched with the spline, and when the output end of the driving member 3 is inserted in the jack, the spline is inserted in the key slot, so that the output end of the driving member 3 rotates to drive the driving gear 41 to synchronously rotate. The lifting seat 72 can be utilized to drive the driving piece 3 to move so as to realize the plug-in matching of the driving piece 3 and the driving gear 41, so that the installation of the driving piece 3 is completed, the installation operation is simplified, and the installation efficiency is improved.

Since the space at the bottom of the base 1 is limited, the moving stroke of the elevating seat 72 is short, resulting in a small installation space between the fixing plate 71 and the elevating seat 72, which is disadvantageous in installing the driving piece 3 to the elevating seat 72. Referring to fig. 3 and 4, in some alternative embodiments, the lifting seat 72 is slidably provided with a tray 8, the driving member 3 is mounted on the tray 8, and a portion of the tray 8 can slide outside the lifting seat 72. It will be appreciated that when the installation space between the lifting seats 72 of the fixing plate 71 is small after the lifting seats 72 are lowered, the tray 8 can be slid to move to the outside of the lifting seats 72, and at this time, the portion of the tray 8 located outside the lifting seats 72 can be far away from the bottom of the base 1, so that the driving element 3 can be installed on the tray 8 outside the bottom of the base 1, and the tray 8 is slid again after installation, thereby realizing that the driving element 3 is installed on the lifting seats 72 and aligned with the driving gear 41. Through setting up the tray 8 that slides in elevating socket 72, can install tray 8 with driving piece 3 in the base 1 bottom outside, because the base 1 bottom outside does not have the blocking of spare parts such as base 1 and mount pad 7, the space in the base 1 bottom outside is great, can conveniently install driving piece 3, reduces the installation degree of difficulty.

Specifically, the elevating seat 72 is provided with the slide rail 10, the tray 8 is provided with the sliding portion 812, the sliding portion 812 is slidably provided on the slide rail 10, and one side of the elevating seat 72 in the direction in which the tray 8 moves to the inside of the elevating seat 72 is provided with the positioning baffle 11. After the driving piece 3 is installed on the tray 8, the tray 8 moves towards the inside of the lifting seat 72 to reset, when the tray 8 moves to a position where the driving piece 3 is aligned with the driving gear 41 of the gear set 4, the positioning baffle 11 can block the movement of the tray 8 so as to position the tray 8, thereby ensuring the accurate alignment of the driving piece 3 and the driving gear of the gear set 4.

Further, a stopper 12 is provided on one side of the slide rail 10 in the direction in which the tray 8 moves to the outside of the elevating seat 72. Illustratively, the stoppers 12 protrude toward opposite sides of the slide rail 10 in the moving direction of the tray 8, so that the stoppers 12 can abut against the sliding portions 812 of the tray 8, thereby restricting the movement of the tray 8 and preventing the tray 8 from moving away from the slide rail 10.

During the movement of the elevating seat 72, the tray 8 may move away from the positioning baffle 11 with respect to the slide rail 10 due to vibration or the like. For this reason, it is preferable that the panel handling device further includes a stopper 9, the stopper 9 being for restricting the movement of the tray 8 with respect to the slide rail 10 to hold the tray 8 against the positioning baffle 11, thereby avoiding the misalignment of the driving member 3 and the driving gear 41 due to the movement of the tray 8.

Referring to fig. 6, in an alternative embodiment, one of the positioning baffle 11 and the tray 8 is provided with a slot 111, and the other of the positioning baffle 11 and the tray 8 is provided with a socket portion 81 that is socket-fitted with the slot 111; the plugging portion 81 has two opposite inclined surfaces 811, the inclined surfaces 811 are inclined to the outside of the plugging portion from the direction close to the slot 111 toward the direction away from the slot 111, the slot 111 is provided with mounting grooves in a recessed manner opposite to the slot walls of the inclined surfaces 811, the stopper 9 comprises elastic members 91 and balls 92, each mounting groove is internally provided with an elastic member 91, the elastic member 91 is connected with the balls 92, and the elastic member 91 can drive the balls 92 to partially extend into the slot 111 and abut against the inclined surfaces 811.

Illustratively, the positioning baffle 11 is provided with a slot 111 on a side surface facing the tray 8, and the tray 8 is provided with a plugging portion 81 facing the slot 111; the horizontal cross section of grafting portion 81 is isosceles trapezoid, grafting portion 81 has two opposite inclined planes 811, and inclined plane 811 is outwards inclined from the one side that is close to tray 8 towards the one side that keeps away from tray 8 and sets up, and slot 111 is just all sunken to be provided with the mounting groove to the cell wall of inclined plane 811, and stopper 9 includes elastic component 91 and ball 92, all is provided with elastic component 91 in every mounting groove, and elastic component 91 is the spring, and elastic component 91 is connected with ball 92, and elastic component 91 can order about ball 92 part to stretch into in slot 111 and support tightly in inclined plane 811.

In the process of pushing the tray 8 against the positioning baffle 11, the two inclined surfaces 811 of the plugging portion 81 can be slidably abutted against the balls 92 so as to be inserted into the slot 111 against the elastic force of the elastic member 91; when the tray 8 is completely abutted against the positioning baffle 11, the two elastic members 91 can respectively drive the two balls 92 to clamp the inserting portion 81 so as to limit the inserting portion 81 to be separated from the slot 111, thereby limiting the movement of the tray 8 and realizing the stop locking of the tray 8. When the driving member 3 is required to be assembled and disassembled by sliding the tray 8, the tray 8 can be pulled out by only applying the external force capable of being applied to overcome the elasticity of the elastic member 91.

In other alternative embodiments, the stopper 9 may be a limiting pin or a bolt, the slide rail 10 is provided with an alignment hole, the sliding portion 812 of the tray 8 is provided with a connecting hole, and the limiting pin or the bolt can be inserted into the alignment hole through the connecting hole to limit the movement of the tray 8, so as to ensure alignment of the driving element 3 with the driving teeth of the gear set 4.

Optionally, a handle 813 is provided on a side of the tray 8 facing away from the plugging portion 81, so as to facilitate movement of the push-pull tray 8.

In this embodiment, as shown in fig. 3 to 5, the lifting mechanism 73 includes a lifting frame 731 and a screw 732, the screw 732 is rotatably disposed on a side of the fixed plate 71 opposite to the lifting seat 72, the screw 732 is provided with a first screw 7322 and a second screw 7323 at intervals along its length direction, the first screw 7322 and the second screw 7323 are opposite in rotation direction, the screw 732 is connected to the first slider 13 through the first screw 7322, the screw 732 is connected to the second slider 14 through the second screw 7323, the screw 732 is capable of driving the first slider 13 and the second slider 14 to move relatively or reversely, the lifting seat 72 is slidably provided with a third slider 15 and a fourth slider 16, the lifting frame 731 includes at least one set of hinge rods 7311, the hinge rods 7311 include a first rod 7311a and a second rod 7311b hinged to each other, one end of the first rod 7311a is hinged to the first slider 13, and one end of the second rod 7311b is hinged to the second slider 14 adjacent to the fixed plate 71; of the set of hinge levers 7311 adjacent to the elevating seat 72, one end of the first lever 7311a is hinged with the third slider 15, and one end of the second lever 7311b is hinged with the fourth slider 16. The design can rotate the driving screw 732 to enable the first slider 13 and the second slider 14 to move relatively or oppositely, so as to drive the first rod 7311a and the second rod 7311b of the hinge rod 7311 to rotate relatively, and synchronously move relatively or oppositely along with the third slider 15 and the fourth slider 16, so as to realize the unfolding or folding of the hinge rod 7311, so that the lifting frame 731 is lifted and moved, and the lifting plate is lifted and moved.

The lifting base 72 is provided with a sliding groove 721 or a guide rail, the length direction of the sliding groove 721 or the guide rail is the same as the moving direction of the tray 8, and the third slider 15 and the fourth slider 16 are slidably provided on one sliding rail 10 or one sliding rail 10, respectively, so that the third slider 15 and the fourth slider 16 can move synchronously with the first slider 13 and the second slider 14.

Optionally, two first limit nuts and two second limit nuts are screwed on the screw 732, the two first limit nuts are matched with the first threads 7322 and located on two sides of the first slider 13, and the two second limit nuts are matched with the second threads 7323 and located on two sides of the second slider 14. When the screw 732 is required to be rotated to drive the lifting frame 731 to lift, the two first limit nuts are screwed away from the first sliding block 13, and the two second limit nuts are screwed away from the second sliding block 14, so that the first sliding block 13 and the second sliding block 14 can both move relative to the screw 732; when the lifting frame 731 is not required to be driven, the two first limit nuts are screwed and abutted against two sides of the first sliding block 13, and the two second limit nuts are screwed and abutted against two sides of the second sliding block 14, so that the first sliding block 13 and the second sliding block 14 are limited to move, and the lifting frame 731 is prevented from moving downwards due to the fact that the first sliding block 13 and the second sliding block 14 move relative to the screw 732 under the action of gravity of the driving piece 3 and the lifting frame 731 when the lifting frame 731 is not required to be lowered.

Further, two opposite lifting mechanisms 73 are arranged between the fixed plate 71 and the lifting seat 72, and the two lifting mechanisms 73 are symmetrically arranged on two opposite sides of the tray 8 so as to improve the movement stability of the lifting seat 72. Furthermore, an accommodating space is formed between the two elevating mechanisms 73, and the driving piece 3 is installed in the accommodating space so as to avoid the elevating mechanisms 73 interfering with the installation of the driving piece 3.

Further, a synchronous belt 733 is connected between the screws 732 of the two lifting mechanisms 73, and an end portion of at least one screw 732 extends to the outside of the fixed plate 71 and is provided with a handle 7321, and the rotation of the handle 7321 can drive the two screws 732 to rotate synchronously. This design can rotate through the rotation of one screw 732 by the handle 7321 and synchronously rotate through the synchronous belt 733 communicating with the other screw 732, thereby synchronously adjusting the two lifting mechanisms 73, so as to avoid the tilting of the lifting seat 72 caused by the different lifting speeds of the two lifting mechanisms 73.

Preferably, the end of the screw 732 is provided with a telescopic cavity, and one end of the screw 732 is slidably disposed in the telescopic cavity through a telescopic structure, so that the handle 7321 can be selectively telescopic, so that the handle 7321 is hidden at the bottom of the fixing plate 71, and a worker is prevented from tripping or being knocked due to the fact that the handle 7321 is protruded. It should be noted that, the screw 732 and the handle 7321 may be configured as a telescopic structure according to the prior art, which is not described herein.

Although the embodiments of the present utility model have been described above with reference to the accompanying drawings, the present utility model is not limited to the above embodiments, but may be manufactured in various forms, and it will be understood by those skilled in the art that the present utility model may be embodied in other specific forms without changing the technical spirit or essential features of the present utility model. Accordingly, it should be understood that the above-described embodiments are illustrative in all respects and not restrictive.

Claims

1. The panel carrying device is characterized by comprising a base, wherein a driving piece and a vertically extending screw rod are arranged on the base, the driving piece is in transmission connection with the bottom end of the screw rod through a gear set, a mechanical arm is in transmission connection with the screw rod, and the driving piece can drive the screw rod to rotate so as to drive the mechanical arm to move along the vertical direction;

Still be provided with the mount pad on the base, the mount pad includes the fixed plate and is located the elevating platform of fixed plate below, the fixed plate is fixed on the base, just be provided with the opening on the fixed plate, connect through elevating system between fixed plate and the elevating platform, the driving piece install in on the elevating platform, elevating system can order about the elevating platform is along vertical direction removal, so as to drive the driving piece removes, makes the output of driving piece pass the opening keep with the gear train is connected.

2. The panel handling device of claim 1, wherein the lifting base is slidably provided with a tray, the tray portion being slidable to the outside of the lifting base, the driving member being mounted on the tray.

3. The panel handling device according to claim 2, wherein the lifting base is provided with a slide rail, the tray is slidably disposed on the slide rail, and a positioning baffle is disposed on a side of the lifting base along a direction in which the tray moves to the inside of the lifting base, the positioning baffle being for positioning the tray so that the driving member is aligned with the gear set.

4. A panel handling apparatus according to claim 3, wherein a stopper is provided on one side of the slide rail in a direction in which the tray moves to the outside of the lifting base, the stopper being for restricting the tray from being separated from the slide rail.

5. The panel handling device of claim 3, further comprising a stop for limiting movement of the tray relative to the slide rail to retain the tray against the positioning baffle.

6. The panel handling device of claim 5, wherein one of the positioning baffle and the tray is provided with a slot, and the other of the positioning baffle and the tray is provided with a mating portion mated with the slot;

7. The panel handling apparatus according to any one of claims 1 to 6, wherein the gear train includes a driving gear and a driven gear engaged with each other, the driven gear is provided on the screw, the driving member is mounted on a side of the lifting base facing the fixing plate, the driving gear is located above the driving member, and an output end of the driving member is connected with the driving gear through the opening.

8. The panel handling device according to any one of claims 1 to 6, wherein the lifting mechanism comprises a lifting frame and a screw, the screw is rotatably arranged on the side surface of the fixed plate facing the lifting seat, the screw is provided with a first thread and a second thread at intervals along the length direction of the screw, the first thread and the second thread are oppositely rotated, the screw is connected with a first sliding block through the first thread, the screw is connected with a second sliding block through the second thread, the screw rotation can drive the first sliding block and the second sliding block to relatively or reversely move, and the lifting seat is provided with a third sliding block and a fourth sliding block in a sliding manner;

9. The panel handling apparatus of claim 8, wherein two opposing lifting mechanisms are provided between the fixed plate and the lifting base, a receiving space is formed between the two lifting mechanisms, and the driving member is installed in the receiving space.

10. The panel handling device of claim 9, wherein a timing belt is connected between the screws of the two lifting mechanisms, and an end of at least one of the screws extends to the outside of the fixed plate and is provided with a handle, and rotation of the handle drives the two screws to rotate synchronously.