Magnetic drive transportation device applied to liquid crystal glass substrate

By using a magnetic drive transport device in the glass substrate process line body and using magnetic levitation technology to drive the transportation trolley, the problems of low efficiency and cumbersome maintenance of the traditional line body are solved, and efficient and stable conveying and precise positioning of the glass substrate are achieved.

CN119389786APending Publication Date: 2025-02-07PANDA ELECTRONICS +1
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Patent Information

Application Number
CN202411482546.5
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-10-23
Publication Date
2025-02-07

AI Technical Summary

Technical Problem

The traditional glass substrate process line body can only be transported in one direction, with low efficiency and high mechanical friction, resulting in frequent maintenance and low maintenance efficiency.

Method used

The magnetic drive transport device is adopted, including a magnetic drive motor assembly and a V-type guide rail assembly, and the transport trolley is driven to operate efficiently on the process line body through magnetic levitation technology.

Benefits of technology

It improves the conveying speed and stability, the maximum speed can reach 5m/s, and the positioning accuracy of the car can reach ±5um, realizing the independent movement of the car in both directions, reducing mechanical friction, and simplifying maintenance.

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Abstract

The invention discloses a magnetic drive transportation device applied to a liquid crystal glass substrate, which comprises a transportation trolley, and further comprises a process line body, a return line body, a main frame, a support leg frame assembly and a walkway frame, the return line body and the process line body have the same structure and are oppositely mounted on the main frame at intervals, and the support leg frame assembly and the walkway frame are mounted on two opposite sides of the main frame. The supporting leg frame assembly is used for assisting in supporting of the main frame. The walkway frame is used for allowing personnel to walk and overhauling the process line body and the return line body. The process line body is used for forward driving operation of the transport trolley, and the return line body is used for returning the transport trolley to the original position. The operation stability of the trolley can be improved, and the reliability of glass production is guaranteed; the running speed of the trolley can be increased under the condition of ensuring stable running, and the production efficiency is improved; high-precision positioning of the trolley can be achieved through the magnetic drive motor assembly, and the technological level is helped to be improved.
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Description

Technical Field

[0001] The invention relates to the field of glass manufacturing process transportation, and in particular to a magnetic drive transportation device applied to a liquid crystal glass substrate. Background Art

[0002] Glass transportation is one of the important components of the glass substrate process line. The stability and efficiency of the tape-out can ensure the glass tape-out capacity. At present, the traditional line can only transport glass substrates in one direction, which is inefficient. In addition, since the trolley and the line are mechanically driven, there will be a large mechanical friction, which leads to the need for regular maintenance of the line. At present, the space setting for personnel maintenance is not reasonable, resulting in low maintenance efficiency and cumbersome work. Summary of the invention

[0003] Purpose of the invention: In view of the above problems, the purpose of the present invention is to provide a magnetic drive transportation device for liquid crystal glass substrates to improve the transportation speed and stability.

[0004] Technical solution: A magnetically driven transport device for liquid crystal glass substrates, comprising a transport trolley, a process line body, a return line body, a main frame, a leg frame assembly, and a walkway frame. The return line body has the same structure as the process line body and is installed on the main frame at a relative interval. The leg frame assembly and the walkway frame are installed on opposite sides of the main frame. The leg frame assembly is used to assist the main frame in supporting, and the walkway frame is used for personnel to walk and inspect the process line body and the return line body.

[0005] The process line body is used for the transport trolley to move forward, and the return line body is used for the transport trolley to return to its original position. The process line body includes a profile frame, a magnetic drive motor assembly, and a V-shaped guide rail assembly. The profile frame is mounted on the upper surface of the main frame, and the magnetic drive motor assembly and the V-shaped guide rail assembly are respectively mounted on the profile frame. The magnetic drive motor assembly drives the transport trolley to travel on the V-shaped guide rail assembly.

[0006] Furthermore, the profile frame includes a thickened profile and an auxiliary profile. The profile frame is a rectangular frame structure. Two thickened profiles are arranged in parallel and spaced apart. The two are connected by multiple auxiliary profiles arranged longitudinally or transversely to form a grid. The V-shaped guide rail assembly is installed in the profile groove of the thickened profile, and the magnetic drive motor assembly is installed in the grid-shaped auxiliary profile.

[0007] The best, thickened profiles have a profile specification of 40120 and auxiliary profiles have a profile specification of 4080.

[0008] Furthermore, the magnetic drive motor assembly includes a magnetic levitation motor, a magnetic levitation motor mounting plate, a Hall sensor, a sensor bracket, and a magnetic plate. The magnetic levitation motor is installed on the profile frame through the magnetic levitation motor mounting plate. Two Hall sensors are provided, which are installed on opposite sides of the magnetic levitation motor through a sensor bracket respectively. The sensor bracket is connected to the side of the magnetic levitation motor mounting plate, and the magnetic plate is installed on the bottom of the transport trolley.

[0009] Optimally, the magnetic drive motor assembly further comprises a motor adjustment plate, which is mounted on the bottom of the magnetic suspension motor mounting plate, and the magnetic drive motor assembly is mounted on the profile frame via the magnetic suspension motor mounting plate or the motor adjustment plate.

[0010] Furthermore, the V-shaped guide rail assembly includes a V-shaped guide rail and a guide rail mounting block, and the V-shaped guide rail is mounted on the profile frame through the guide rail mounting block.

[0011] Furthermore, the main frame includes a walkway plate, a line body main frame, leg frames, and cross braces. Two leg frames are vertically spaced apart, and the line body main frame is horizontally installed on the two leg frames. The lower parts of the two leg frames are connected by two parallel cross braces arranged at intervals. The walkway plate is installed on the upper surface of the line body main frame. A plurality of vertical legs are respectively spaced apart on the line body main frame and on the laterally opposite sides of the walkway plate. The process line body and the return line body are respectively installed on the main frame through the vertical leg supports on both sides.

[0012] Optimally, the main frame also includes a preliminary adjustment component, and each upper surface of the vertical leg is respectively installed with a preliminary adjustment component, the preliminary adjustment component includes a horizontal height adjustment block and a lateral direction adjustment plate, which are respectively connected to the process line body or the return line body; the main frame also includes a foot cup and an expansion bolt mounting plate, the foot cup is adjustable, there are four foot cups, two by two are installed at the bottom of the two leg frames, and at least one expansion bolt mounting plate is installed on the leg frame.

[0013] Furthermore, the leg frame assembly includes a leg frame main body and a leg frame connecting leg. The leg frame main body is spaced apart on one side of the main frame, and its upper part is connected to the upper part of the main frame. The leg frame connecting leg is horizontally arranged, one end of which is connected to the lower part of the leg frame main body, and the other end is connected to the lower part of the main frame. The leg frame main body and the leg frame connecting leg are welded integrally.

[0014] Furthermore, the walkway frame includes an aisle frame base, an aisle frame diagonal brace, a walkway board, and a guardrail. The aisle frame base is horizontally arranged along the transportation direction of the main frame, and one side thereof is connected to a side of the upper part of the main frame. An aisle frame diagonal brace is provided between the bottom of the aisle frame base and the main frame, the guardrail is vertically installed on the upper surface of the aisle frame base opposite to the other side, and the walkway board is laid on the upper surface of the aisle frame base.

[0015] Beneficial effects: Compared with the prior art, the advantages of the present invention are: the magnetically driven line supports the trolley to run at a faster speed, with the highest speed reaching 5m / s, and the positioning accuracy of the trolley is higher, and the repeated positioning accuracy can reach ±5um. When there are multiple trolleys on the entire line, the magnetically driven line can achieve bidirectional movement of each trolley independently. The magnetically driven line is a flexible conveying method without mechanical connection. There is no mechanical friction between the magnetically driven motor assembly of the power device and the trolley of the force-bearing device, which is easy to maintain the line. The present invention can improve the stability of the trolley operation and ensure the reliability of glass production. It can increase the running speed of the trolley while ensuring stable operation, thereby improving production efficiency. It can achieve high-precision positioning of the trolley through the magnetically driven motor assembly, helping to improve the process level. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the three-dimensional structure of the present invention;

[0017] Figure 2 It is a structural schematic diagram of the profile frame;

[0018] Figure 3 It is a structural schematic diagram of a magnetic drive motor assembly;

[0019] Figure 4 It is a structural schematic diagram of the motor adjustment board;

[0020] Figure 5 It is a structural schematic diagram of a single-section single-side V-shaped guide rail assembly;

[0021] Figure 6 A schematic diagram of the structure of the main frame;

[0022] Figure 7 is a structural schematic diagram of a leg support assembly;

[0023] Figure 8 This is a schematic diagram of the structure of the walkway frame. DETAILED DESCRIPTION

[0024] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments. It should be understood that these embodiments are only used to illustrate the present invention and are not used to limit the scope of the present invention.

[0025] A magnetic drive transport device for liquid crystal glass substrates, such as Figures 1 to 8 As shown, it includes a transport trolley, a process line body, a return line body, a main frame 4, a leg frame assembly 5, and a walkway frame 6. The return line body has the same structure as the process line body. The main frame 4 supports the process line body and the return line body. The leg frame assembly 5 and the walkway frame 6 are installed on opposite sides of the main frame 4. The leg frame assembly 5 is used to assist the main frame 4 in supporting, and the walkway frame 6 is used for personnel to walk and inspect the process line body and the return line body.

[0026] The process line is used for the transport trolley to move forward, and the return line is used for the transport trolley to return to its original position. The process line includes a profile frame 1, a magnetic drive motor assembly 2, and a V-shaped guide rail assembly 3. The profile frame 1 is mounted on the upper surface of the main frame 4, and the magnetic drive motor assembly 2 and the V-shaped guide rail assembly 3 are respectively installed on the profile frame 1. The magnetic drive motor assembly 2 drives the transport trolley to travel on the V-shaped guide rail assembly 3.

[0027] The standard length of the profile frame is 3.5m. The whole is made of profiles. The main connection is fixed with screws, and some installations are connected with corner pieces of corresponding profile specifications. The profile frame 1 includes thickened profile 1.1 and auxiliary profile 1.2. The profile specification of thickened profile 1.1 is 40120, and the profile specification of auxiliary profile 1.2 is 4080.

[0028] The profile frame 1 is a rectangular frame structure, and two thickened profiles 1.1 are arranged in parallel and spaced apart, and the two are connected by multiple auxiliary profiles 1.2 arranged longitudinally or transversely to form a grid. The V-shaped guide rail assembly 3 is installed in the profile groove of the thickened profile 1.1, and the magnetic drive motor assembly 2 is installed in the grid-shaped auxiliary profile 1.2.

[0029] The magnetic drive motor assembly 2 includes a magnetic levitation motor 2.1, a magnetic levitation motor mounting plate 2.2, a Hall sensor 2.3, a sensor bracket 2.4, a magnetic plate, and a motor adjustment plate 2.5. The magnetic levitation motor 2.1 is installed on the profile frame 1 through the magnetic levitation motor mounting plate 2.2. Two Hall sensors 2.3 are provided, which are respectively installed on the opposite sides of the magnetic levitation motor 2.1 through a sensor bracket 2.4. The sensor bracket 2.4 is connected to the side of the magnetic levitation motor mounting plate 2.2. The magnetic plate is installed at the bottom of the transport trolley. The motor adjustment plate 2.5 is installed at the bottom of the magnetic levitation motor mounting plate 2.2. The magnetic drive motor assembly 2 is installed on the profile frame 1 through the magnetic levitation motor mounting plate 2.2 or the motor adjustment plate 2.5. The motor adjustment plate 2.5 is set for the convenience of fine-tuning the height.

[0030] The V-shaped guide rail assembly 3 comprises a V-shaped guide rail 3.1 and a guide rail mounting block 3.2. The V-shaped guide rail 3.1 is mounted on the profile frame 1 via the guide rail mounting block 3.2.

[0031] The main frame 4 includes a walkway plate 4.2, a main frame 4.4 of the line body, a leg frame 4.5, a foot cup 4.6, an expansion bolt mounting plate 4.7, and a cross brace 4.8. Two leg frames 4.5 are arranged vertically at intervals, and the main frame 4.4 of the line body is horizontally erected and mounted on the two. The lower parts of the two leg frames 4.5 are connected by two cross braces 4.8 arranged in parallel and at intervals. The foot cup 4.6 is adjustable, and there are four foot cups 4.6, which are installed at the bottom of the two leg frames 4.5 in pairs. At least one expansion bolt mounting plate 4.7 is installed on the leg frame 4.5. After the initial calibration level is completed using the foot cup 4.5, the expansion bolts are driven into the ground in the holes of the expansion bolt mounting plate 4.7 to completely fix the two parts. The main frame 4.4 of the line body is connected to the transport line body profile frame. In order to play the role of allowing workers to walk on it, a walkway plate 4.2 is laid, and its legs are also the support columns supporting the process line body and the return line body. The walkway plate 4.2 is installed on the upper surface of the main frame 4.4 of the line body. On the main frame 4.4 of the line body, a plurality of vertical legs are spaced apart on both sides of the walkway plate 4.2. The process line body and the return line body are respectively supported and installed on the main frame 4 by the vertical legs on both sides.

[0032] The main frame 4 also includes a preliminary adjustment component, and each upper surface of the vertical leg is respectively equipped with a preliminary adjustment component, which includes a horizontal height adjustment block 4.1 and a lateral direction adjustment plate 4.3, which are respectively connected to the process line body or the return line body.

[0033] The leg frame assembly 5 includes a leg frame body 5.1 and a leg frame connecting leg 5.2. The leg frame body 5.1 is spaced apart on one side of the main frame 4, and its upper part is connected to the upper part of the main frame 4. The leg frame connecting leg 5.2 is horizontally arranged, one end of which is connected to the lower part of the leg frame body 5.1, and the other end is connected to the lower part of the main frame 4. The leg frame body 5.1 and the leg frame connecting leg 5.2 are welded as a whole.

[0034] The walkway frame 6 includes a walkway frame base 6.1, a walkway frame diagonal brace 6.2, a walkway board 6.3, and a guardrail 6.4 for protecting maintenance personnel. The walkway frame base 6.1 is horizontally arranged along the transportation direction of the main frame 4, and one side thereof is connected to a side of the upper part of the main frame 4. An aisle frame diagonal brace 6.2 is provided between the bottom of the walkway frame base 6.1 and the main frame 4 to support the walkway frame 6. The guardrail 6.4 is vertically installed on the upper surface of the walkway frame base 6.1 on the other side, and the walkway board 6.3 is laid on the upper surface of the walkway frame base 6.1.

[0035] In the present invention, the transport trolley adopts magnetic levitation technology to move. The transport trolley is composed of a clamping claw, a trolley mounting plate, a V-shaped roller and a bottom magnetic plate. The transport trolley runs on a straight transport line body composed of a steel structure and a profile frame. When the clamping claw on the transport trolley opens and clamps the liquid crystal glass substrate, the magnetic drive motor assembly drives the transport trolley to run along the path specified by the V-shaped guide rail on the process line body. When the transport trolley runs to a specific process position, the start and stop of the magnetic drive motor assembly is controlled to realize the precise positioning of the transport trolley. When the transport trolley runs to the end point of the process line body, the clamping claw is opened and the liquid crystal glass substrate is removed. After completing the process work, the transport trolley moves to the end transverse moving platform and then enters the return line body through the existing transverse transport device. The magnetic drive motor assembly drives the transport trolley to run along the path specified by the V-shaped guide rail on the return line body. Finally, the transport trolley runs to the head end transverse moving platform, and the transverse moving operation device of the head end transverse moving platform transports the transport trolley back to the process line body, completing the circular transportation work of the transport trolley.

[0036] The magnetic plate is installed at the bottom of the trolley, and the corresponding magnetic drive motor assembly is installed on the profile frame. There is a certain distance between the magnetic plate and the magnetic drive motor assembly, which is 2 to 2.5 mm. At the same time, there is also a height difference between the Hall sensor of the magnetic drive motor assembly and the main body of the magnetic drive motor assembly, which is 4 mm to 6 mm.

[0037] The line body in the present invention is a single-segment magnetic drive line body segment as a whole. In addition, the entire conveying line can be provided with a plurality of magnetic drive line body segments as required, that is, the number of process line bodies and return line bodies can be increased as required and is not limited to only one.

[0038] The present invention is suitable for the transportation of glass and the realization of process functions, can improve the stability of the trolley operation and ensure the reliability of glass production; can increase the running speed of the trolley while ensuring stable operation and improve production efficiency; can achieve high-precision positioning of the trolley through a magnetic drive motor assembly, and help improve the process level.

Claims

1. A magnetic drive transport device for liquid crystal glass substrates, comprising a transport trolley, characterized in that: It also includes a process line body, a return line body, a main frame (4), a leg frame assembly (5), and a walkway frame (6). The return line body has the same structure as the process line body and is installed on the main frame (4) at a relative interval. The leg frame assembly (5) and the walkway frame (6) are installed on opposite sides of the main frame (4). The leg frame assembly (5) is used to assist the main frame (4) in supporting, and the walkway frame (6) is used for personnel to walk and inspect the process line body and the return line body. The process line body is used for the transport trolley to move forward, and the return line body is used for the transport trolley to return to its original position. The process line body comprises a profile frame (1), a magnetic drive motor assembly (2), and a V-shaped guide rail assembly (3). The profile frame (1) is mounted on the upper surface of a main frame (4), the magnetic drive motor assembly (2) and the V-shaped guide rail assembly (3) are respectively mounted on the profile frame (1), and the magnetic drive motor assembly (2) drives the transport trolley to travel on the V-shaped guide rail assembly (3).

2. The magnetic drive transport device for liquid crystal glass substrate according to claim 1, characterized in that: The profile frame (1) comprises a thickened profile (1.1) and an auxiliary profile (1.2). The profile frame (1) is a rectangular frame structure. Two thickened profiles (1.1) are arranged in parallel and spaced apart. The two are connected by a plurality of auxiliary profiles (1.2) arranged longitudinally or transversely to form a grid. The V-shaped guide rail assembly (3) is installed in a profile groove of the thickened profile (1.1), and the magnetic drive motor assembly (2) is installed in the grid-shaped auxiliary profile (1.2).

3. The magnetic drive transport device for liquid crystal glass substrate according to claim 2, characterized in that: The profile specification of the thickened profile (1.1) is 40120, and the profile specification of the auxiliary profile (1.2) is 4080.

4. The magnetic drive transport device for liquid crystal glass substrate according to claim 1, characterized in that: The magnetic drive motor assembly (2) comprises a magnetic suspension motor (2.1), a magnetic suspension motor mounting plate (2.2), a Hall sensor (2.3), a sensor bracket (2.4), and a magnetic plate. The magnetic suspension motor (2.1) is mounted on a profile frame (1) via the magnetic suspension motor mounting plate (2.2). Two Hall sensors (2.3) are provided and are respectively mounted on opposite sides of the magnetic suspension motor (2.1) via a sensor bracket (2.4). The sensor bracket (2.4) is connected to the side of the magnetic suspension motor mounting plate (2.2). The magnetic plate is mounted on the bottom of a transport trolley.

5. The magnetic drive transport device for liquid crystal glass substrate according to claim 4, characterized in that: The magnetic drive motor assembly (2) also includes a motor adjustment plate (2.5), which is mounted on the bottom of the magnetic suspension motor mounting plate (2.2), and the magnetic drive motor assembly (2) is mounted on the profile frame (1) via the magnetic suspension motor mounting plate (2.2) or the motor adjustment plate (2.5).

6. The magnetic drive transport device for liquid crystal glass substrate according to claim 1, characterized in that: The V-shaped guide rail assembly (3) comprises a V-shaped guide rail (3.1) and a guide rail mounting block (3.2); the V-shaped guide rail (3.1) is mounted on the profile frame (1) via the guide rail mounting block (3.2).

7. The magnetic drive transport device for liquid crystal glass substrate according to claim 1, characterized in that: The main frame (4) comprises a walkway plate (4.2), a line body main frame (4.4), a leg frame (4.5), and a cross brace (4.8). Two leg frames (4.5) are arranged vertically at intervals, and the line body main frame (4.4) is horizontally erected and installed on the two leg frames. The lower parts of the two leg frames (4.5) are connected by two cross braces (4.8) arranged in parallel and at intervals. The walkway plate (4.2) is installed on the upper surface of the line body main frame (4.4). A plurality of vertical legs are arranged on the line body main frame (4.4) and on opposite sides of the walkway plate (4.2) in a horizontal direction at intervals. The process line body and the return line body are respectively installed on the main frame (4) through the vertical leg supports on both sides.

8. The magnetic drive transport device for liquid crystal glass substrate according to claim 7, characterized in that: The main frame (4) also includes a preliminary adjustment component, each of which is installed on the upper surface of the vertical leg. The preliminary adjustment component includes a horizontal height adjustment block (4.1) and a lateral direction adjustment plate (4.3), which are respectively connected to the process line body or the return line body; the main frame (4) also includes a foot cup (4.6) and an expansion bolt mounting plate (4.7), the foot cup (4.6) is adjustable, and there are four foot cups (4.6), which are installed at intervals on the bottom of the two leg frames (4.5), and at least one expansion bolt mounting plate (4.7) is installed on the leg frame (4.5).

9. The magnetic drive transport device for liquid crystal glass substrate according to claim 1, characterized in that: The leg frame assembly (5) comprises a leg frame body (5.1) and a leg frame connecting leg (5.2). The leg frame body (5.1) is arranged at a distance on one side of the main frame (4), and its upper part is connected to the upper part of the main frame (4). The leg frame connecting leg (5.2) is arranged horizontally, and one end of the leg frame is connected to the lower part of the leg frame body (5.1), and the other end is connected to the lower part of the main frame (4). The leg frame body (5.1) and the leg frame connecting leg (5.2) are welded as a whole.

10. The magnetic drive transport device for liquid crystal glass substrate according to claim 1, characterized in that: The walkway frame (6) comprises a walkway frame base (6.1), a walkway frame diagonal brace (6.2), a walking board (6.3), and a guardrail (6.4). The walkway frame base (6.1) is horizontally arranged along the transportation direction of the main frame (4), and one side surface thereof is connected to one side surface of the upper part of the main frame (4). A walkway frame diagonal brace (6.2) is arranged between the bottom of the walkway frame base (6.1) and the main frame (4). The guardrail (6.4) is vertically installed on the upper surface of the walkway frame base (6.1) on the other side thereof, and the walking board (6.3) is laid on the upper surface of the walkway frame base (6.1).