CN112224893A - Float TFT-LCD glass surface grinding automatic operation transmission device - Google Patents
Float TFT-LCD glass surface grinding automatic operation transmission device Download PDFInfo
- Publication number
- CN112224893A CN112224893A CN202011130446.8A CN202011130446A CN112224893A CN 112224893 A CN112224893 A CN 112224893A CN 202011130446 A CN202011130446 A CN 202011130446A CN 112224893 A CN112224893 A CN 112224893A
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- China
- Prior art keywords
- transmission device
- magnetic suspension
- base
- permanent magnet
- lcd glass
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000011521 glass Substances 0.000 title claims abstract description 55
- 230000005540 biological transmission Effects 0.000 title claims abstract description 54
- 239000000725 suspension Substances 0.000 claims abstract description 69
- 239000000758 substrate Substances 0.000 claims abstract description 35
- 238000004804 winding Methods 0.000 claims description 11
- 238000005339 levitation Methods 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 3
- 238000001179 sorption measurement Methods 0.000 abstract description 8
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 3
- 230000005484 gravity Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000002349 favourable effect Effects 0.000 description 2
- 239000008187 granular material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000003746 surface roughness Effects 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G54/00—Non-mechanical conveyors not otherwise provided for
- B65G54/02—Non-mechanical conveyors not otherwise provided for electrostatic, electric, or magnetic
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B37/00—Lapping machines or devices; Accessories
- B24B37/34—Accessories
- B24B37/345—Feeding, loading or unloading work specially adapted to lapping
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02N—ELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR
- H02N15/00—Holding or levitation devices using magnetic attraction or repulsion, not otherwise provided for
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Container, Conveyance, Adherence, Positioning, Of Wafer (AREA)
Abstract
The invention discloses a floating TFT-LCD glass surface grinding automatic operation transmission device, which comprises a magnetic suspension transmission device, an electromagnetic brake system and a closed dust-free channel, wherein the closed dust-free channel consists of a closed cover; the glass substrate is installed on the magnetic suspension transmission device and is transported in a closed dust-free channel in a moving mode, and an electromagnetic brake system used for controlling the magnetic suspension transmission device to brake is arranged in the magnetic suspension transmission device; the clean float TFT-LCD glass substrate is attached to the adsorption pad tray, and magnetic suspension transmission is adopted in the closed cover, so that the utilization rate of a machine table can be improved, and roller marks and stains on the surface of the float TFT-LCD glass substrate cannot be generated in the transmission process.
Description
Technical Field
The invention relates to the technical field of TFT-LCD glass, in particular to a float TFT-LCD glass surface grinding automatic operation transmission device.
Background
The float TFT-LCD glass substrate is spread and formed on a tin bath by drawing of an edge roller, compared with a tin surface and an air surface which are contacted with tin liquid, the roughness and the waviness of the surface can reach 10 mu m at most, and the roughness and the waviness which are less than 1 mu m and are required by the TFT-LCD panel manufacturing process can not be met, so in the back-end manufacturing process, surface grinding is required to be added, and the surface roughness and the waviness of the glass can meet the requirements of the panel manufacturing process.
The method comprises the steps that after front-section cutting, edge grinding and cleaning are carried out on a float TFT-LCD glass substrate, the float TFT-LCD glass substrate is conveyed to a surface grinding machine table through a roller for surface grinding, the existing conveying mode is easy to generate roller marks and dirt on the surface of the float TFT-LCD glass substrate, when the float TFT-LCD glass substrate is conveyed to the surface grinding machine table, the float TFT-LCD glass substrate is attached to the machine table, in the process, in order to meet grinding precision, the attaching time is long, and the utilization rate of the machine table is reduced.
Disclosure of Invention
Aiming at the problems, the invention provides an automatic operation transmission device for grinding a float TFT-LCD glass surface, which is characterized in that a cleaned float TFT-LCD glass substrate is firstly attached to an adsorption pad tray, magnetic suspension transmission is adopted in a closed cover, the utilization rate of a machine table can be improved, roller marks and dirt cannot be generated on the surface of the float TFT-LCD glass substrate in the transmission process, and the automatic transmission is realized by utilizing gravity in order to save energy by adopting a magnetic suspension transmission mode of an inclined track.
In order to realize the technical scheme, the invention provides a floating TFT-LCD glass surface grinding automatic operation transmission device, which comprises a magnetic suspension transmission device, an electromagnetic brake system and a closed dust-free channel, wherein the closed dust-free channel consists of a closed cover, the magnetic suspension transmission device is installed at the lower end of the closed cover, the closed dust-free channel is inclined downwards, a plurality of magnetic suspension transmission devices are arranged from left to right to form a transportation track, the transportation track is sealed by the closed cover, and the transportation track corresponds to the closed dust-free channel and is also inclined downwards; the glass substrate is installed on the magnetic suspension transmission device and is transported in the closed dust-free channel in a moving mode, and an electromagnetic brake system used for controlling the magnetic suspension transmission device to brake is arranged in the magnetic suspension transmission device.
The further improvement lies in that: the magnetic suspension transmission device comprises a base, a suspension body, guide permanent magnets and permanent magnets, wherein the suspension body is arranged inside the base, a linear motor secondary winding is arranged at the bottom of the suspension body, a linear motor primary winding matched with the linear motor secondary winding is arranged at the bottom of the base, the guide permanent magnets are arranged on the inner walls of two sides of the base, and the guide permanent magnets correspond to the side ends of the suspension body; the permanent magnet comprises a cuboid permanent magnet and an L-type permanent magnet, the cuboid permanent magnet is located at the top of the base, the L-type permanent magnet is installed at the side end and the top of the suspension body, and the cuboid permanent magnet and the L-type permanent magnet interact with each other to limit the suspension height of the suspension body.
The further improvement lies in that: the upper end of the base is provided with an opening, the upper surface of the suspension body is provided with a vertical supporting upright post, the upper end of the supporting upright post extends out of the base, the upper end of the supporting upright post is provided with a tray for placing a glass substrate, and the lower end of the base is provided with a supporting base.
The further improvement lies in that: the two magnetic suspension transmission devices are arranged in parallel, and the two parallel magnetic suspension transmission devices are matched to transport the glass substrate.
The further improvement lies in that: the height of the supporting base is set according to the inclination angle of the transportation track, and the inclination angle is 5-10 degrees.
The further improvement lies in that: the electromagnetic brake system is composed of two electromagnets and a control valve, the two electromagnets are respectively installed at the front side end of the suspension body and the tail end of the transportation track, the two electromagnets respectively generate magnetic forces with the same phase, and the control valve controls the magnetic forces of the electromagnets.
The further improvement lies in that: the inside of the closed cover is negative pressure, and the closed cover is made of PE materials.
The further improvement lies in that: the lower extreme of tray is provided with the recess, the support post is installed in the recess in order to fix the tray.
The invention has the beneficial effects that: the invention adopts magnetic suspension transmission, reduces the displacement of the glass substrate on the adsorption pad caused by the friction of the glass substrate and the adsorption pad due to transmission, ensures the bonding precision of the glass substrate on the adsorption pad, and eliminates roller marks and dirt on the surface of the glass; (2) the magnetic suspension transmission mode of the inclined track is adopted, and gravity is used for automatic transmission, so that energy is saved; (3) adopt electromagnetic braking system, reduce the cushion power that the tray braked rapidly, be favorable to steadily transmitting (4) airtight space, prevent that the granule from dropping to glass substrate surface in the environment, produce secondary pollution, influence the face and grind the quality.
Drawings
FIG. 1 is a cross-sectional view of the present invention.
Fig. 2 is a structural view of the magnetic levitation transmission apparatus of the present invention.
Fig. 3 is a schematic view of the transportation of the present invention.
Wherein: 1. a magnetic suspension transmission device; 101. a base; 102. a suspension; 103. a guide permanent magnet; 104. a permanent magnet; 2. an electromagnetic braking system; 3. a closed dust-free channel; 301. a hermetic cover; 4. a linear motor secondary winding; 5. a primary winding of the linear motor; 6. a rectangular parallelepiped permanent magnet; 7. an L-type permanent magnet; 8. an opening; 9. supporting the upright post; 10. a tray; 11. a support base; 12. an electromagnet; 13. a control valve; 14. and (5) transporting the track.
Detailed Description
In order to further understand the present invention, the following detailed description will be made with reference to the following examples, which are only used for explaining the present invention and are not to be construed as limiting the scope of the present invention.
According to the drawings of fig. 1, 2 and 3, the embodiment provides an automatic operation conveying device for grinding a float TFT-LCD glass surface, which includes a magnetic suspension conveying device 1, an electromagnetic brake system 2 and a closed dust-free channel 3, wherein the closed dust-free channel 3 is composed of a closed cover 301, the magnetic suspension conveying device 1 is installed at the lower end of the closed cover 301, the closed dust-free channel 3 is inclined downward, a plurality of magnetic suspension conveying devices 1 are arranged from left to right to form a conveying track 14, and the conveying track is covered by the closed cover 301, and corresponds to the closed dust-free channel and is also inclined downward; the glass substrate is arranged on the magnetic suspension transmission device 1 and is transported in the closed dust-free channel 3 in a moving mode, and an electromagnetic brake system used for controlling the magnetic suspension transmission device to brake is arranged in the magnetic suspension transmission device 1.
The magnetic suspension transmission device 1 comprises a base 101, a suspension body 102, a guide permanent magnet 103 and a permanent magnet 104, wherein the suspension body 102 is arranged in the base 101, a linear motor secondary winding 4 is arranged at the bottom of the suspension body 102, a linear motor primary winding 5 matched with the linear motor secondary winding is arranged at the bottom of the base, the guide permanent magnets 103 are arranged on the inner walls of two sides of the base 101, and the guide permanent magnets 103 correspond to the side ends of the suspension body 102; the permanent magnet 104 comprises a cuboid permanent magnet 6 and an L-type permanent magnet 7, the cuboid permanent magnet 6 is located on the top of the base 101, the L-type permanent magnet 7 is installed on the side end and the upper end of the levitation body 102, and the cuboid permanent magnet 6 and the L-type permanent magnet 7 interact with each other to limit the levitation height of the levitation body 102 and play roles of positioning and limiting.
An opening 8 is arranged at the upper end of the base 101, a vertical supporting upright 9 is arranged on the upper surface of the suspension body 102, the upper end of the supporting upright 9 extends out of the base, a tray 10 for placing a glass substrate is arranged at the upper end of the supporting upright 9, and a supporting base 11 is arranged at the lower end of the base 101.
The two magnetic suspension transmission devices 1 are arranged in parallel, and the two parallel magnetic suspension transmission devices are matched to transport the glass substrate.
The height of the supporting base 11 is set according to the inclination angle of the transportation track, and the inclination angle is 5-10 degrees.
The electromagnetic brake system consists of two electromagnets 12 and a control valve 13, wherein the two electromagnets 12 are respectively arranged at the front side end of the suspension body 102 and the tail end of the transportation track, the two electromagnets respectively generate in-phase magnetic force, and the brake function is realized by utilizing the principle that in-phase magnetic force repels each other; the magnetic force of the electromagnet is controlled by the control valve 13. When the suspension body 102 supports the tray 10 to the tail end of the guide conveying track, the magnetic force is controlled by the control valve 12, so that the buffering force of the rapid brake of the tray 10 is reduced, the stable transmission is facilitated, and the tray is finally stopped stably.
The inside of the closed cover 301 is negative pressure, so that particles in the environment are prevented from falling onto the surface of the glass substrate to generate secondary pollution, and the surface grinding quality is prevented from being influenced; the closed dustless channel 3 is formed by a closed cover 301, and the cross section shape can adopt an ellipse, a rectangle, a trapezoid and the like. The material of the closed cover 301 can adopt transparent PE so as to observe the transmission condition of the tray in the closed dust-free chamber. .
The lower end of the tray 10 is provided with a groove, and the supporting upright posts 9 are arranged in the groove to fix the tray, so that the tray is more stable on a suspension body. The glass substrate is attached to the tray, so that the glass substrate is stably conveyed, and the roller marks and the dirt on the surface of the glass are eliminated. In order to fix the tray on the suspension body more firmly, the lower part of the tray is provided with a groove which is matched with the supporting pillar to play a role in fixing. Reduce glass substrate and absorption pad because the friction of transmission leads to the displacement of glass substrate on the absorption pad, guarantee the laminating precision of glass substrate on the absorption pad. .
The two guide permanent magnets 103 are symmetrically arranged on the inner side wall of the base 101 to prevent the suspension body 102 from moving and deviating the track, and when the suspension body 102 deviates left and right, the guide permanent magnets 103 interact with the side surface of the suspension body 102 to restore the suspension body 102 to the normal position;
the invention adopts magnetic suspension transmission, reduces the displacement of the glass substrate on the adsorption pad caused by the friction of the glass substrate and the adsorption pad due to transmission, ensures the bonding precision of the glass substrate on the adsorption pad, and eliminates roller marks and dirt on the surface of the glass; (2) the magnetic suspension transmission mode of the inclined track is adopted, and gravity is used for automatic transmission, so that energy is saved; (3) adopt electromagnetic braking system, reduce the cushion power that the tray braked rapidly, be favorable to steadily transmitting (4) airtight space, prevent that the granule from dropping to glass substrate surface in the environment, produce secondary pollution, influence the face and grind the quality.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (8)
1. A float TFT-LCD glass face grinds automatic operation transmission device which characterized in that: the device comprises a magnetic suspension transmission device (1), an electromagnetic brake system (2) and a closed dust-free channel (3), wherein the closed dust-free channel (3) consists of a closed cover (301), the magnetic suspension transmission device (1) is installed at the lower end of the closed cover (301), the closed dust-free channel (3) is inclined downwards, a plurality of magnetic suspension transmission devices (1) are arranged from left to right to form a transportation track (14), the transportation track is covered by the closed cover (301), and the transportation track corresponds to the closed dust-free channel and is also inclined downwards; the glass substrate is installed on the magnetic suspension transmission device (1) and is transported in the closed dust-free channel (3) in a moving mode, and an electromagnetic brake system used for controlling the magnetic suspension transmission device to brake is arranged in the magnetic suspension transmission device (1).
2. The float TFT-LCD glass face grinding autorun transfer device of claim 1, wherein: the magnetic suspension transmission device (1) is composed of a base (101), a suspension body (102), a guide permanent magnet (103) and a permanent magnet (104), wherein the suspension body (102) is arranged inside the base (101), a linear motor secondary winding (4) is arranged at the bottom of the suspension body (102), a linear motor primary winding (5) matched with the linear motor secondary winding is arranged at the bottom of the base, the guide permanent magnets (103) are arranged on the inner walls of the two sides of the base (101), and the guide permanent magnets (103) correspond to the side ends of the suspension body (102); the permanent magnet (104) comprises a cuboid permanent magnet (6) and an L-type permanent magnet (7), the cuboid permanent magnet (6) is located at the top of a base (101), the L-type permanent magnet (7) is installed at the side end and the upper end of the levitation body (102), and the cuboid permanent magnet (6) and the L-type permanent magnet (7) mutually interact to limit the levitation height of the levitation body (102).
3. The float TFT-LCD glass face grinding autorun transfer device of claim 2, wherein: the glass substrate suspension device is characterized in that an opening (8) is formed in the upper end of the base (101), a vertical supporting upright post (9) is arranged on the upper surface of the suspension body (102), the upper end of the supporting upright post (9) extends out of the base, a tray (10) for placing a glass substrate is mounted at the upper end of the supporting upright post (9), and a supporting base (11) is arranged at the lower end of the base (101).
4. The float TFT-LCD glass face grinding automatic run conveyor of claim 1, 2 or 3, wherein: the two magnetic suspension transmission devices (1) are arranged in parallel, and the two parallel magnetic suspension transmission devices are matched to transport the glass substrate.
5. The float TFT-LCD glass face grinding automatic run conveyor of claim 3, characterized in that: the height of the supporting base (11) is set according to the inclination angle of the transportation track, and the inclination angle is 5-10 degrees.
6. The float TFT-LCD glass face grinding autorun transfer device of claim 1, wherein: the electromagnetic brake system (2) is composed of two electromagnets (12) and a control valve (13), the two electromagnets (12) are respectively installed at the front side end of the suspension body (102) and the tail end of the transportation track, the two electromagnets respectively generate magnetic forces with the same phase, and the control valve controls the magnitude of the magnetic forces of the electromagnets.
7. The float TFT-LCD glass face grinding autorun transfer device of claim 1, wherein: the inside of the closed cover (301) is negative pressure, and the closed cover (301) is made of PE materials.
8. The float TFT-LCD glass face grinding automatic run conveyor of claim 3, characterized in that: the lower end of the tray (10) is provided with a groove, and the supporting upright posts (9) are arranged in the groove to fix the tray.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011130446.8A CN112224893A (en) | 2020-10-21 | 2020-10-21 | Float TFT-LCD glass surface grinding automatic operation transmission device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011130446.8A CN112224893A (en) | 2020-10-21 | 2020-10-21 | Float TFT-LCD glass surface grinding automatic operation transmission device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112224893A true CN112224893A (en) | 2021-01-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011130446.8A Pending CN112224893A (en) | 2020-10-21 | 2020-10-21 | Float TFT-LCD glass surface grinding automatic operation transmission device |
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| Country | Link |
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| CN (1) | CN112224893A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH583134A5 (en) * | 1974-08-29 | 1976-12-31 | Cattin Machines Sa | Plant for transporting sheet (glass) - with magnetic braking system to prevent sudden shocks on stopping and starting |
| CN103552952A (en) * | 2013-11-14 | 2014-02-05 | 无锡联创薄板有限公司 | Multi-machine coordination forklift transportation system |
| CN104176509A (en) * | 2014-07-04 | 2014-12-03 | 京东方科技集团股份有限公司 | Base plate conveying device |
| CN107298311A (en) * | 2016-04-14 | 2017-10-27 | 付中华 | Magnetic suspension cargo handling turnaround system |
| CN108147038A (en) * | 2017-12-22 | 2018-06-12 | 新昌县吉利标准件厂 | A kind of buffer unit of laundry cloth grass logistics Pig |
| CN109484794A (en) * | 2017-09-13 | 2019-03-19 | 京东方科技集团股份有限公司 | A kind of base plate transfer device |
| CN210691799U (en) * | 2019-11-05 | 2020-06-05 | 艾迪技术创新私人有限公司 | Magnetic suspension train external member |
-
2020
- 2020-10-21 CN CN202011130446.8A patent/CN112224893A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH583134A5 (en) * | 1974-08-29 | 1976-12-31 | Cattin Machines Sa | Plant for transporting sheet (glass) - with magnetic braking system to prevent sudden shocks on stopping and starting |
| CN103552952A (en) * | 2013-11-14 | 2014-02-05 | 无锡联创薄板有限公司 | Multi-machine coordination forklift transportation system |
| CN104176509A (en) * | 2014-07-04 | 2014-12-03 | 京东方科技集团股份有限公司 | Base plate conveying device |
| CN107298311A (en) * | 2016-04-14 | 2017-10-27 | 付中华 | Magnetic suspension cargo handling turnaround system |
| CN109484794A (en) * | 2017-09-13 | 2019-03-19 | 京东方科技集团股份有限公司 | A kind of base plate transfer device |
| CN108147038A (en) * | 2017-12-22 | 2018-06-12 | 新昌县吉利标准件厂 | A kind of buffer unit of laundry cloth grass logistics Pig |
| CN210691799U (en) * | 2019-11-05 | 2020-06-05 | 艾迪技术创新私人有限公司 | Magnetic suspension train external member |
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Application publication date: 20210115 |
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