CN216349268U - Device for detecting clamping force of roller in substrate glass manufacturing - Google Patents
Device for detecting clamping force of roller in substrate glass manufacturing Download PDFInfo
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- CN216349268U CN216349268U CN202122374133.3U CN202122374133U CN216349268U CN 216349268 U CN216349268 U CN 216349268U CN 202122374133 U CN202122374133 U CN 202122374133U CN 216349268 U CN216349268 U CN 216349268U
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Abstract
The utility model belongs to the field of glass manufacturing, and discloses a device for detecting the clamping force of a roller in the process of manufacturing substrate glass, which comprises the following components: at least one pair of rollers, a plurality of pairs of clamping members and a clamping force detection mechanism; the pair of rollers comprises a fixed roller and a floating roller; the pair of clamping members comprises a fixed roller clamping member and a floating roller clamping member; the fixed roller clamping component and the floating roller clamping component are respectively connected with the corresponding fixed roller and the corresponding floating roller; the clamping force detection mechanism comprises a limiting part, a force sensor and a data processing unit; the force sensor is arranged between the fixed roller clamping component and the limiting part; the force sensor is connected with the fixed roller clamping component or the limiting component; the data processing unit is connected with the force sensor. According to the utility model, the force sensor is arranged to detect the force applied by the fixed roller clamping piece to the limiting piece, so that the clamping force is finely controlled, and the adverse effect caused by too small or too small clamping force is avoided.
Description
Technical Field
The utility model belongs to the field of glass manufacturing, and particularly relates to a device for detecting the clamping force of a roller in substrate glass manufacturing.
Background
The overflow downdraw method is used for preparing glass, traction rollers are used for clamping and stretching a glass belt, the traction rollers are used in pairs and are divided into fixed rollers and floating rollers, the two rollers rotate oppositely when the glass belt is clamped and stretched, and pressure is applied to the glass to generate friction force on the surfaces of the traction rollers and the glass, so that the glass belt is driven to move downwards, and the glass belt with the set thickness is achieved. In the stretching process, the traction roller applies pressure to the glass, namely the roller clamping force, and the clamping force has important influence on the quality of the glass and even influences the normal production order. The thickness of the substrate glass gradually becomes thinner from 0.7mm, 0.5mm to 0.4mm, the capability of resisting external force damage is weakened, the glass can be damaged and cracked when the pressure is too large, the glass belt can be broken to interrupt normal production when the pressure is serious, the friction force is too small, and the glass belt and the drawing roller can slip. The drawing rolls adopt a short roll technology in the production of advanced substrate glass, a plurality of pairs of short rolls work simultaneously on two edges of a glass belt, and two pairs of short rolls on the two edges at the same height have the requirement on the stretching of the glass belt to be as synchronous as possible so as to ensure the warping and stress quality of the glass and the clamping force can influence the stretching effect. In addition, if the moving part of the clamping mechanism of the drawing roller is abnormal, the virtual clamping of the drawing roller can be caused, namely the roller and the glass are not completely contacted, and the clamping force of the roller is also changed to influence the stretching effect.
Therefore, the roller clamping force needs to be continuously detected, the size of the clamping force needs to be finely controlled, the production efficiency and the product quality can be improved, and measures can be taken when an abnormal point is found.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a device and a method for detecting the clamping force of a roller in the manufacture of substrate glass, which aim to solve the problems that the glass is damaged due to overlarge clamping force, the roller with undersize clamping force and the glass slips; the problem that the quality of the glass is influenced by the fact that the roller clamps the glass in a virtual mode can be found through the change of the clamping force, and abnormal points are processed in time.
In order to achieve the purpose, the utility model adopts the following technical scheme:
an apparatus for detecting a roller gripping force in the manufacture of a glass substrate, comprising: at least one pair of rollers, a plurality of pairs of clamping members and a clamping force detection mechanism;
the pair of rollers comprises a fixed roller and a floating roller; the pair of clamping members comprises a fixed roller clamping member and a floating roller clamping member; the fixed roller clamping component and the floating roller clamping component are respectively connected with the corresponding fixed roller and the corresponding floating roller;
the clamping force detection mechanism comprises a limiting part, a force sensor and a data processing unit;
the force sensor is arranged between the fixed roller clamping component and the limiting part; the force sensor is connected with the fixed roller clamping component or the limiting piece; the data processing unit is connected with the force sensor.
The utility model further improves the following steps: the force sensor is a strain force sensor or a piezoelectric force sensor.
The utility model further improves the following steps: the fixed roller clamping component comprises a first connecting rod, a limiting adjusting block and a fixed roller mounting seat; the first link includes two sections: a first straight link and a first L-link; the corner of the first L-shaped connecting rod is hinged with the rack, one end of the first L-shaped connecting rod is connected with the limiting adjusting block, and the other end of the first L-shaped connecting rod is hinged with one end of the first straight connecting rod; the other end of the first straight connecting rod is hinged with the fixed roller mounting seat; the fixed rollers are installed in the corresponding fixed roller installation seats.
The utility model further improves the following steps: the limiting adjusting block can move on the first L-shaped connecting rod; the limiting part is arranged between the limiting adjusting block and the corner of the first L-shaped connecting rod and is located below the first L-shaped connecting rod.
The utility model further improves the following steps: the floating roller clamping component comprises a second connecting rod, a clamping force adjusting block and a floating roller mounting seat; the second link comprises two sections: a second straight link and a second L-link; the corner of the second L-shaped connecting rod is hinged with the rack, one end of the second L-shaped connecting rod is connected with the clamping force adjusting block, and the other end of the second L-shaped connecting rod is hinged with one end of the second straight connecting rod; the other end of the second straight connecting rod is hinged with the floating roll mounting seat; the clamping force adjusting block can move on the second L-shaped connecting rod; the floating rollers are arranged in the corresponding floating roller mounting seats.
The utility model further improves the following steps: and the data processing unit is connected with the display instrument.
The utility model further improves the following steps: the display instrument is a distributed control system DCS and a digital display instrument.
The utility model further improves the following steps: the detection range of the force sensor is 0-500N.
Compared with the prior art, the utility model has the beneficial effects that:
1. the clamping force of the roller in the substrate glass manufacturing process is detected by the force sensor, the size of the clamping force is finely controlled, adverse effects caused by too large or too small clamping force are avoided, and countermeasures can be taken by finding abnormal points in time.
2. The clamping force of each pair of rollers can be independently monitored by arranging the force sensor, the clamping forces of the two pairs of rollers at the same height of the edge of the glass ribbon are compared, and the size of the rollers is controlled, so that better glass warping and stress quality is achieved.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, are included to provide a further understanding of the utility model, and are incorporated in and constitute a part of this specification, illustrate exemplary embodiments of the utility model and together with the description serve to explain the utility model and not to limit the utility model. In the drawings:
FIG. 1 is a front view of an apparatus for detecting a roller gripping force and a glass position in the manufacture of a glass substrate;
FIG. 2 is a cross-sectional view of an apparatus for detecting a clamping force of a roller and a glass position in glass manufacturing of a substrate;
FIG. 3 is a side view of an apparatus for detecting a roller holding force and a glass position in the manufacture of a glass substrate;
FIG. 4 is a schematic view showing the operation of a fixed roller and a floating roller of an apparatus for detecting a roller gripping force in the manufacture of a glass substrate.
Reference numerals: the device comprises a glass belt 1, a glass belt 2, rollers 21, fixed rollers 22, floating rollers 3, fixed roller clamping components 31, a first connecting rod 32, a limiting adjusting block 33, a fixed roller mounting seat 4, a floating roller clamping component 41, a second connecting rod 42, a clamping force adjusting block 43, a floating roller mounting seat 5, a limiting part 6, a force sensor 7, a data processing unit 7 and an 8-display instrument.
Detailed Description
The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings. It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.
The following detailed description is exemplary in nature and is intended to provide further details of the utility model. Unless otherwise defined, all technical terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the utility model.
The utility model is described in further detail below with reference to the accompanying drawings:
the utility model provides a device for detecting the clamping force of a roller in the manufacture of substrate glass, which comprises: a roller 2, a fixed roller clamping member 3, a floating roller clamping member 4, a limiting member 5, a force sensor 6 and a data processing unit 7; the fixed roller clamping member 3 and the floating roller clamping member 4 are connected with the roller 2; a force sensor 6 is arranged between the fixed roller clamping component 3 and the limiting part 5; the force sensor 6 is connected with the fixed roller clamping component 3 or the limiting component 5; the data processing unit 7 is connected to the force sensor 6.
The force sensor 6 is a strain force sensor or a piezoelectric force sensor.
At least one pair of rollers 2 including a fixed roller 21 and a floating roller 22; the fixed roller holding member 3 is connected to the fixed roller 21, and the floating roller holding member 4 is connected to the floating roller 22.
The fixed roller clamping component 3 comprises a first connecting rod 31, a limit adjusting block 32 and a fixed roller mounting seat 33; the first link 31 includes two pieces: a first straight link and a first L-link; the corner of the first L-shaped connecting rod is hinged with the rack, one end of the first L-shaped connecting rod is connected with the limiting adjusting block 32, and the other end of the first L-shaped connecting rod is hinged with one end of the first straight connecting rod; the other end of the first straight connecting rod is hinged with the fixed roller mounting seat 33; the fixed rollers 21 are mounted in corresponding fixed roller mounts 33. The first L-link can rotate around the hinge point, and then the position of the fixed roller mounting seat 33 and the fixed roller 21 can be adjusted by pulling or pushing the fixed roller mounting seat 33 through the hinged first straight link to move left and right. The limiting part 5 is disposed between the limiting adjusting block 32 and the corner of the first L-shaped connecting rod, is located below the first L-shaped connecting rod, and is used for supporting the first connecting rod 31, limiting the first connecting rod 31, and controlling the moving range of the fixed roller mounting base 33 and the fixed roller 21. The limit adjusting block 32 can move left and right on the first L-shaped link, and usually the limit adjusting block 32 is arranged at the tail end of the first link 31, so that the limiting effect on the position of the fixed roller 21 is optimal.
The floating roller holding member 4 includes a second link 41, a holding force adjusting block 42, and a floating roller mount 43; the second link 41 includes two segments: a second straight link and a second L-link; the corner of the second L-shaped connecting rod is hinged with the rack, one end of the second L-shaped connecting rod is connected with the clamping force adjusting block 42, and the other end of the second L-shaped connecting rod is hinged with one end of the second straight connecting rod; the other end of the second straight connecting rod is hinged with the floating roll mounting seat 43; the clamping force adjusting block 42 can move on the second L connecting rod; the second L-shaped connecting rod is driven to rotate around the hinge point by the movement of the clamping force adjusting block 42, and then the floating roller mounting seat 43 is driven to move to adjust the clamping force by the hinged second straight connecting rod. The dancers 22 are mounted in corresponding dancer mounts 43.
The data processing unit 7 is connected to a display 8.
The display 8 includes DCS and digital display.
The utility model relates to a working principle of a device for detecting the clamping force of a roller in the manufacture of substrate glass, which comprises the following steps:
the force sensor 6 is arranged between the fixed roller clamping member 3 and the limiting part 5 and is used for detecting the force applied by the fixed roller clamping member 3 to the limiting part 5;
the force detected when the glass is not nipped by the fixed roller 21 and the floating roller 22 is used as the reference force f0The data are transmitted to the data processing unit 7;
the force f detected when the glass is nipped between the fixed roller 21 and the floating roller 221The data are transmitted to the data processing unit 7;
the data processing unit 7 calculates f0And f1The difference Δ f represents the clamping force of the roller 2 to the glass;
the monitoring signal of delta f is displayed on a digital display instrument 8 on site or transmitted to a computer control system for displaying and recording.
The detection range of the force sensor 6 is 0-500N.
As shown in fig. 1 to 3, a plurality of pairs of rollers 2 are arranged on two edges of a glass ribbon 1 and simultaneously clamp the glass ribbon 1 to work, each pair of rollers 2 on the edges is divided into a fixed roller 21 and a floating roller 22 when clamping the glass ribbon 1 to stretch, the fixed roller 21 is fixed, the floating roller 22 approaches the glass ribbon 1 and pushes the glass ribbon 1 to be contacted with the fixed roller 21, so that the fixed roller 21 and the floating roller 22 which rotate oppositely clamp the glass ribbon 1 to drive the glass ribbon 1 to move downwards.
In the fixed roller clamping member 3, the position of the first link 31 can be determined by the position limiting adjusting block 32 mounted on the first link 31 and the position limiting member 5 in cooperation, so that the position of the fixed roller mounting seat 33 and the fixed roller 21 connected with the fixed roller mounting seat through a bearing is fixed, the position limiting adjusting block 32 can move on the first link 31 along the axis, and the position limiting adjusting block 32 is usually located at the tail end of the first link 31, so that the downward pressure is maximum. The height of the stop 5 can be adjusted to accommodate the desired position of the fixed roller 21.
When the floating roller clamping component 4 works, under the action of the clamping force adjusting block 42, the floating roller mounting seat 43 and the floating roller 22 approach the glass belt 1 and push the glass belt 1 to be contacted with the fixed roller 21, so that the fixed roller 21 and the floating roller 22 which rotate oppositely clamp the glass belt 1 to drive the glass belt 1 to move downwards. The position of the clamping force adjusting block 42 on the second link 41 determines the clamping force of the roller 2 on the glass ribbon 1, and the magnitude of the clamping force can be calculated by a mechanical formula, but the clamping member is not completely in a regular shape, so that the clamping force has certain errors.
As shown in fig. 4, the force sensor 6 is provided between the first link 31 and the stopper 5, the magnitude of the force applied to the stopper 5 by the fixed roller clamp 3 is detected, the force detected when the glass ribbon 1 is not clamped by the fixed roller 21 and the floating roller 22 is the reference force f0, the force detected when the glass ribbon 1 is clamped by the fixed roller 21 and the floating roller 22 is f1, the information is processed by the data processing unit 7, and the difference Δ f between the reference forces f0 and f1 is calculated, where Δ f represents the clamping force of the roller 2 on the glass ribbon 1. The monitoring signal of delta f is displayed on a digital display instrument 8 on site or transmitted to a computer control system for displaying and recording.
The clamping force of each pair of rollers 2 can be independently monitored, and the clamping force of the two pairs of rollers 2 at the same height of the edge of the glass ribbon 1 can be compared and controlled, so that better glass warpage and stress quality can be achieved.
It will be appreciated by those skilled in the art that the utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The embodiments disclosed above are therefore to be considered in all respects as illustrative and not restrictive. All changes which come within the scope of or equivalence to the utility model are intended to be embraced therein.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting the same, and although the present invention is described in detail with reference to the above embodiments, those of ordinary skill in the art should understand that: modifications and equivalents may be made to the embodiments of the utility model without departing from the spirit and scope of the utility model, which is to be covered by the claims.
Claims (8)
1. An apparatus for detecting a roller gripping force in substrate glass manufacturing, comprising: at least one pair of rollers (2), a plurality of pairs of clamping members and a clamping force detection mechanism;
the pair of rollers (2) comprises a fixed roller (21) and a floating roller (22); the pair of clamping members comprises a fixed roller clamping member (3) and a floating roller clamping member (4); the fixed roller clamping component (3) and the floating roller clamping component (4) are respectively connected with the corresponding fixed roller (21) and the corresponding floating roller (22);
the clamping force detection mechanism comprises a limiting piece (5), a force sensor (6) and a data processing unit (7);
the force sensor (6) is arranged between the fixed roller clamping component (3) and the limiting part (5); the force sensor (6) is connected with the fixed roller clamping component (3) or the limiting piece (5); the data processing unit (7) is connected with the force sensor (6).
2. The apparatus for detecting roller gripping force in substrate glass manufacturing according to claim 1, wherein the force sensor (6) is a strain force sensor or a piezoelectric force sensor.
3. The apparatus for detecting roller clamping force in substrate glass manufacturing according to claim 1, wherein the fixed roller clamping member (3) comprises a first connecting rod (31), a limit adjusting block (32) and a fixed roller mounting seat (33); the first link (31) comprises two segments: a first straight link and a first L-link; the corner of the first L-shaped connecting rod is hinged with the rack, one end of the first L-shaped connecting rod is connected with the limiting adjusting block (32), and the other end of the first L-shaped connecting rod is hinged with one end of the first straight connecting rod; the other end of the first straight connecting rod is hinged with the fixed roller mounting seat (33); the fixed rollers are mounted in corresponding fixed roller mounting seats (33).
4. The apparatus for detecting roller holding force in substrate glass manufacturing according to claim 3, wherein the position limit adjusting block (32) is movable on the first L link; the limiting part (5) is arranged between the limiting adjusting block (32) and the corner of the first L-shaped connecting rod and is located below the first L-shaped connecting rod.
5. The apparatus for detecting roller gripping force in substrate glass manufacturing according to claim 1, wherein the floating roller gripping member (4) comprises a second link (41), a gripping force adjusting block (42) and a floating roller mounting seat (43); the second link (41) comprises two sections: a second straight link and a second L-link; the corner of the second L-shaped connecting rod is hinged with the rack, one end of the second L-shaped connecting rod is connected with the clamping force adjusting block (42), and the other end of the second L-shaped connecting rod is hinged with one end of the second straight connecting rod; the other end of the second straight connecting rod is hinged with the floating roll mounting seat (43); the clamping force adjusting block (42) can move on the second L-shaped connecting rod; the floating rollers are mounted in corresponding floating roller mounting seats (43).
6. An apparatus for detecting roller gripping force in the manufacture of glass of a substrate according to claim 1, characterized in that the data processing unit (7) is connected to a display (8).
7. The apparatus for detecting roller gripping force in the manufacture of glass substrates according to claim 6, wherein said display device (8) is a distributed control system DCS and a digital display device.
8. The apparatus for detecting a roller gripping force in the manufacture of glass for a substrate according to claim 1, wherein the force sensor (6) has a detection range of 0 to 500N.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122374133.3U CN216349268U (en) | 2021-09-28 | 2021-09-28 | Device for detecting clamping force of roller in substrate glass manufacturing |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122374133.3U CN216349268U (en) | 2021-09-28 | 2021-09-28 | Device for detecting clamping force of roller in substrate glass manufacturing |
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| CN216349268U true CN216349268U (en) | 2022-04-19 |
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| CN202122374133.3U Active CN216349268U (en) | 2021-09-28 | 2021-09-28 | Device for detecting clamping force of roller in substrate glass manufacturing |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113899483A (en) * | 2021-09-28 | 2022-01-07 | 彩虹显示器件股份有限公司 | Device and method for detecting clamping force of roller in substrate glass manufacturing |
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- 2021-09-28 CN CN202122374133.3U patent/CN216349268U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113899483A (en) * | 2021-09-28 | 2022-01-07 | 彩虹显示器件股份有限公司 | Device and method for detecting clamping force of roller in substrate glass manufacturing |
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