CN213570125U

CN213570125U - Carry over pinch rolls of online adjustment glass sheet warpage

Info

Publication number: CN213570125U
Application number: CN202021822733.0U
Authority: CN
Inventors: 张立军
Original assignee: Irico Hefei LCD Glass Co Ltd
Current assignee: Irico Hefei LCD Glass Co Ltd
Priority date: 2020-08-27
Filing date: 2020-08-27
Publication date: 2021-06-29
Anticipated expiration: 2030-08-27

Abstract

The utility model discloses a traction roller for online adjusting the warpage of a glass plate, which comprises an online adjusting traction roller component, the on-line adjusting traction roller component is tightly propped against the elastic force and is slidably arranged on the frame component, two groups of online adjusting traction roller assemblies are arranged on the frame assembly in a one-to-one opposite way, and the glass plate is pulled and pulled down to form a glass plate with certain thickness by the rotation of the traction rollers, the utility model is matched with the elastic jacking guide of the jacking guide slide bar through the first jacking spring, the second jacking spring and the jacking guide, two ends of the contact cushion layer of the glass substrate coated outside the traction rollers are always in tight contact with the first limit driven pulley and the second limit driven pulley, and the outer side surface of the contact cushion layer of the glass substrate coated outside the traction roller is always tangent to the same longitudinal plane, therefore, the function of real-time online automatic adjustment is realized, and the surface shape of the glass plate is prevented from changing and warping and deforming.

Description

Carry over pinch rolls of online adjustment glass sheet warpage

Technical Field

The utility model belongs to the technical field of the glass substrate makes, concretely relates to adjust crooked carry over pinch rolls of glass board on line.

Background

Glass plates, which are one of the key components of flat panel displays, are the substrate glass used in flat panel display technology, and for many display devices, the surface flatness of the glass used in the panel must be within a certain range, and any fluctuations in the warpage of the glass, i.e. the surface deformation of the glass plate, can negatively affect the quality of the display, e.g. in LCD displays comprising a layer of liquid crystal material connected to the glass substrate, and transistors (TFTs) arranged in a pattern of arrays that orient the liquid crystal molecules in the desired form, so that any changes in the warpage of the glass substrate can lead to changes in the spacing between the transistors and the pixels, which can directly affect the electric field and the pixels of the display, making the grey and color of the display non-uniform, creating defects such as bright spots, and so in LCD and other glass display applications, it would be highly beneficial to provide glass substrates within an acceptable warp range.

The prior art has the following problems: when the glass board is produced by the overflow down-pulling method, in the forming process, the pulling roll is responsible for pulling down-pulling the glass board so as to form the glass board with certain thickness, wherein one side of the pulling roll can move freely (called as a floating end), the other side of the pulling roll is fixed (called as a fixed end), the material coated on the outer surfaces of the pulling rolls on two sides can be in direct contact with the glass board, the friction between the pulling roll and the pulling roll can cause the material coated on the pulling roll to be worn, the position of the pulling roll on the floating end side is not moved, so that the position of the pulling roll on the floating end side is moved, and further the position of the glass board is driven to move, the shape of the surface of the glass board is changed, the warping deformation is generated, the pulling roll which is seriously worn is usually to be.

SUMMERY OF THE UTILITY MODEL

To solve the problems set forth in the background art described above. The utility model provides a carry over pinch rolls of online adjustment glass board warpage has the characteristics of real-time online automatic adjustment.

In order to achieve the above object, the utility model provides a following technical scheme: the pulling roll for adjusting the warping of the glass plate on line comprises an on-line adjusting pulling roll assembly, wherein the on-line adjusting pulling roll assembly is elastically supported and slidably mounted on a frame assembly;

the on-line adjustment traction roller assembly comprises a U-shaped frame plate, a traction roller is rotatably arranged in the U-shaped frame plate through a bearing seat, a traction driving motor for driving the traction roller to rotate is fixedly arranged on the outer side face of a plate body at one end of the U-shaped frame plate, a glass substrate contact cushion layer is coated on an outer roller body of the traction roller, a plurality of jacking guide sliding rods are symmetrically distributed and fixedly arranged on an outer panel body of the U-shaped frame plate, fixing nuts are arranged on end threads of the jacking guide sliding rods, limiting discs are sleeved at end parts of the jacking guide sliding rods, and a first jacking spring and a second jacking spring are sleeved on a rod body of each jacking guide sliding rod;

the frame subassembly includes the frame plate, a plurality of direction slide opening have been seted up on the frame plate, and fixed first spacing otic placode and the spacing otic placode of second of being provided with respectively on the both ends plate body of frame plate medial surface, rotate through the bearing frame on the tip plate body of first spacing otic placode medial surface and be provided with first spacing driven pulley, rotate through the bearing frame on the tip plate body of the spacing otic placode medial surface of second and be provided with the spacing driven pulley of second.

Preferably, when the online adjusting traction roller assembly is assembled with the frame assembly for use, the rod body tightly propping the guide slide rod is in penetrating type sliding connection with the plate body of the frame plate through the guide slide hole.

Preferably, when the online adjustment traction roller assembly is assembled with the frame assembly for use, one end of the first jacking spring abuts against the limiting disc, the other end of the first jacking spring abuts against the frame plate, one end of the second jacking spring abuts against the frame plate, and the other end of the second jacking spring abuts against the U-shaped frame plate.

Preferably, through the tight guide cooperation in elasticity top of first top tight spring, the tight spring in second top and the tight guide slide bar in top, the both ends of the outside cladding glass substrate contact bed course of carry over pinch rolls are all the time supported the contact with the spacing driven pulley of first spacing and the spacing driven pulley of second tightly, and the lateral surface of the outside cladding glass substrate contact bed course of carry over pinch rolls is tangent with same longitudinal plane all the time.

Compared with the prior art, the beneficial effects of the utility model are that: when the utility model is used, two groups of traction roller assemblies are arranged oppositely one by one on a frame assembly, when glass plates are produced by an overflow down-draw method, in the forming process, a traction driving motor drives the traction roller to rotate, and the traction roller rotates to realize the traction down-draw of the glass plates so as to form the glass plates with certain thickness, because the glass substrate contact cushion layer outside the traditional traction roller is directly contacted with the glass plates for a long time, the friction between the two can lead the glass substrate contact cushion layer to be worn and worn, so that the traction roller moves and further drives the glass plates to move, thereby causing the surface shape of the glass plates to change and generate warping deformation, the utility model is matched through the elastic jacking guide of a first jacking spring, a second jacking spring and a jacking guide slide bar, and both ends of the glass substrate contact cushion layer coated outside the traction roller are always in tight contact with a first limit driven pulley and a second limit driven pulley, and the outer side surface of the glass substrate contact cushion layer coated outside the traction roller is tangent to the same longitudinal plane all the time, so that the outer side surface of the glass substrate contact cushion layer coated outside the traction roller is tangent to the same longitudinal plane all the time through the automatic jacking function even in a wear state, thereby realizing the function of real-time online automatic adjustment and avoiding the surface shape change and warping deformation of the glass plate.

Drawings

Fig. 1 is a perspective view of the present invention;

FIG. 2 is an exploded view of the present invention;

FIG. 3 is a perspective view of the on-line adjustment pull roll assembly of the present invention;

FIG. 4 is an exploded view of the on-line adjustment pull roll assembly of the present invention;

FIG. 5 is a perspective view of a part of the frame assembly of the present invention;

in the figure: 1. adjusting the traction roller assembly on line; 11. a U-shaped frame plate; 12. a traction roller; 13. a glass substrate contact pad layer; 14. a traction drive motor; 15. tightly supporting the guide slide bar; 16. fixing a nut; 17. a limiting disc; 18. a first urging spring; 19. a second urging spring; 2. a rack assembly; 21. a frame plate; 22. a guide slide hole; 23. a first limit lug plate; 24. a second limiting lug plate; 25. a first limit driven pulley; 26. and a second limiting driven pulley.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides the following technical solutions: a pull roll for adjusting the warping of a glass plate on line comprises an on-line adjusting pull roll component 1, wherein the on-line adjusting pull roll component 1 is elastically propped and is slidably mounted on a frame component 2;

the online adjustment traction roller assembly 1 comprises a U-shaped frame plate 11, a traction roller 12 is rotatably arranged inside the U-shaped frame plate 11 through a bearing seat, a traction driving motor 14 for driving the traction roller 12 to rotate is fixedly arranged on the outer side face of a plate body at one end of the U-shaped frame plate 11, a glass substrate contact cushion layer 13 is coated and arranged on an outer roller body of the traction roller 12, a plurality of jacking guide slide bars 15 are symmetrically and fixedly distributed on an outer panel body of the U-shaped frame plate 11, fixing nuts 16 are arranged on end threads of the jacking guide slide bars 15, a limiting disc 17 is sleeved at the end parts of the jacking guide slide bars 15, and a first jacking spring 18 and a second jacking spring 19 are sleeved on a rod body of the jacking guide slide bars 15;

the frame component 2 comprises a frame plate 21, a plurality of guide sliding holes 22 are formed in the frame plate 21, a first limiting lug plate 23 and a second limiting lug plate 24 are fixedly arranged on two end plate bodies on the inner side surface of the frame plate 21 respectively, a first limiting driven pulley 25 is rotatably arranged on a end plate body on the inner side surface of the first limiting lug plate 23 through a bearing seat, and a second limiting driven pulley 26 is rotatably arranged on an end plate body on the inner side surface of the second limiting lug plate 24 through a bearing seat.

In this embodiment, preferably, when the online adjustment traction roller assembly 1 is assembled with the frame assembly 2 for use, the rod body abutting against the guide slide rod 15 is slidably connected with the plate body of the frame plate 21 through the guide slide hole 22.

In this embodiment, preferably, when the online adjustment traction roller assembly 1 is assembled with the frame assembly 2 for use, one end of the first tightening spring 18 abuts against the limiting disc 17, the other end of the first tightening spring 18 abuts against the frame plate 21, one end of the second tightening spring 19 abuts against the frame plate 21, and the other end of the second tightening spring 19 abuts against the U-shaped frame plate 11.

In this embodiment, preferably, through the elastic tightening guide cooperation of the first tightening spring 18, the second tightening spring 19 and the tightening guide slide rod 15, both ends of the outer coated glass substrate of the pulling roll 12 contacting the cushion layer 13 are always in tight abutting contact with the first limiting driven pulley 25 and the second limiting driven pulley 26, and the outer side surface of the outer coated glass substrate of the pulling roll 12 contacting the cushion layer 13 is always tangent to the same longitudinal plane.

The utility model discloses well traction drive motor 14 wide application that has disclosed and the known technique of daily life, its model is DM 542.

The utility model discloses a theory of operation and use flow: the utility model discloses during the use, on frame subassembly 2, two sets of on-line adjustment carry over pinch rolls subassembly 1 is just to setting up one by one, when the glass board is produced to overflow down-draw method, in the forming process, drive carry over pinch rolls 12 through traction driving motor 14 and rotate, through the rotation of carry over pinch rolls 12, realize the glass board pull-down of glass board in order to form the glass board of certain thickness, because the outside glass substrate contact bed course 13 of traditional carry over pinch rolls 12 is when long-term with the glass board direct contact, both frictions can lead to glass substrate contact bed course 13 to take place wearing and tearing, make carry over pinch rolls 12 position removal, and then drive glass board position removal, thereby cause glass board surface shape to change, produce warpage, the utility model discloses a first puller spring 18, the tight spring of second puller spring 19 and the tight guide slide bar 15's in elasticity top cooperation of direction, the outside cladding glass substrate contact bed course 13 of carry over pinch rolls 12 both ends all the time with first spacing driven pulley 25 and the spacing driven The contact is tightly supported, the outer side surface of the outer cladding glass substrate contact cushion layer 13 of the traction roller 12 is tangent to the same longitudinal plane all the time, and through the mode, even if the outer cladding glass substrate contact cushion layer 13 of the traction roller 12 is in a wear state, the outer side surface of the glass substrate contact cushion layer 13 is tangent to the same longitudinal plane all the time through an automatic jacking function, so that the function of real-time online automatic adjustment is realized, and the surface shape of the glass plate is prevented from changing and warping.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a carry over pinch rolls of online adjustment glass sheet warpage, includes online adjustment carry over pinch roll subassembly (1), its characterized in that: the online adjusting traction roller assembly (1) is elastically propped and slidably mounted on the frame assembly (2);

the online adjustment traction roller assembly (1) comprises a U-shaped frame plate (11), a traction roller (12) is rotatably arranged inside the U-shaped frame plate (11) through a bearing seat, a traction driving motor (14) for driving the traction roller (12) to rotate is fixedly arranged on the outer side face of a plate body at one end of the U-shaped frame plate (11), a glass substrate contact cushion layer (13) is coated on an outer roller body of the traction roller (12), a plurality of jacking guide slide bars (15) are symmetrically distributed and fixedly arranged on an outer side panel body of the U-shaped frame plate (11), fixing nuts (16) are arranged on end threads of the jacking guide slide bars (15), a limiting disc (17) is sleeved on the end portion of the jacking guide slide bars (15), and a first jacking spring (18) and a second jacking spring (19) are sleeved on a rod body of the jacking guide slide bars (15);

frame subassembly (2) are including frame board (21), a plurality of direction draw holes (22) have been seted up on frame board (21), and fixed first spacing otic placode (23) and the spacing otic placode of second (24) of being provided with respectively on the both ends plate body of frame board (21) medial surface, rotate through the bearing frame on the tip plate body of first spacing otic placode (23) medial surface and be provided with first spacing driven pulley (25), rotate through the bearing frame on the tip plate body of the spacing otic placode of second (24) medial surface and be provided with the spacing driven pulley of second (26).

2. The pulling roll for adjusting the warp of a glass sheet on-line according to claim 1, wherein: when the online adjustment traction roller assembly (1) and the rack assembly (2) are assembled for use, the rod body of the tightly-jacking guide sliding rod (15) is connected with the plate body of the rack plate (21) in a penetrating mode in a sliding mode through the guide sliding hole (22).

3. The pulling roll for adjusting the warp of a glass sheet on-line according to claim 1, wherein: when the online adjustment traction roller assembly (1) is assembled with the frame assembly (2) for use, one end of the first jacking spring (18) is abutted on the limiting disc (17), the other end of the first jacking spring (18) is abutted on the frame plate (21), one end of the second jacking spring (19) is abutted on the frame plate (21), and the other end of the second jacking spring (19) is abutted on the U-shaped frame plate (11).

4. The pulling roll for adjusting the warp of a glass sheet on-line according to claim 1, wherein: through the tight cooperation of the elasticity top of first top tight spring (18), second top tight spring (19) and top tight direction slide bar (15), the both ends of carry over pinch rolls (12) outside cladding glass base plate contact bed course (13) are tightly supported the contact with first spacing driven pulley (25) and second spacing driven pulley (26) all the time, and the lateral surface of carry over pinch rolls (12) outside cladding glass base plate contact bed course (13) is tangent with same longitudinal plane all the time.