CN217156350U

CN217156350U - Glass stress spot observation lamp box

Info

Publication number: CN217156350U
Application number: CN202123409135.8U
Authority: CN
Inventors: 林成伦; 周厚祥
Original assignee: SHANDONG YAOHUA GLASS CO LTD
Current assignee: SHANDONG YAOHUA GLASS CO LTD
Priority date: 2021-12-30
Filing date: 2021-12-30
Publication date: 2022-08-09
Anticipated expiration: 2031-12-30

Abstract

The utility model discloses a glass stress spot observation lamp box, which comprises a workpiece bracket and a luminous part; the workpiece support comprises an outer frame which is obliquely arranged, the included angle between the plane where the outer frame is located and the vertical plane is alpha, alpha is more than 0 degree and less than 20 degrees, a plurality of groups of first supporting rollers are arranged at the bottom of the outer frame, and the axis of each first supporting roller is perpendicular to the plane where the outer frame is located; the illuminating part comprises a dark box, the rear end and the front end of the inner wall of the dark box are respectively provided with a light source plate and a transparent mask plate, the light source plate is arranged in parallel with the transparent mask plate, the outer side of the transparent mask plate is provided with a polaroid in parallel, the light source plate generates light which becomes parallel light beams after passing through the transparent mask plate, and the irradiation route passes through an outer frame, the light box for observing the stress spots of the glass simultaneously has specific light and a suitable observation angle, and the production line is convenient for detecting the stress spots of the toughened glass.

Description

Glass stress spot observation lamp box

Technical Field

The utility model relates to a glass stress distribution check out test set technical field specifically is a lamp house is observed to glass stress spot.

Background

After the glass is toughened, different stress distributions can be generated on the glass surface due to uneven heating and cooling in the toughening process; as can be known from the photoelastic principle, the existence of stress in glass can cause the birefringence phenomenon of light, and the birefringence phenomenon of light can be observed through polarized light; stress spots are often obvious only under the conditions of specific light, specific angle and certain stacking thickness; such viewing conditions are often absent during in-line production; therefore, the accumulation degree of the stress spots cannot be better controlled in the production process; the accumulation degree of the stress spots can influence the imaging and the appearance of the toughened glass, and poor use experience can be brought; therefore, before the tempered glass leaves a factory, stress spots of the tempered glass should be detected, but the detection difficulty is high under the condition of the prior art.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to overcome current defect, provide a lamp house is observed to glass stress spot, possess specific light, suitable observation angle simultaneously, be convenient for produce on-line toughened glass's stress spot and detect, can effectively solve the problem in the background art.

In order to achieve the above object, the utility model provides a following technical scheme: a glass stress spot observation lamp box comprises a workpiece support and a light emitting part;

the workpiece support comprises an outer frame which is obliquely arranged, the included angle between the plane where the outer frame is located and the vertical plane is alpha, alpha is more than 0 degree and less than 20 degrees, a plurality of groups of first supporting rollers are arranged at the bottom of the outer frame, and the axis of each first supporting roller is perpendicular to the plane where the outer frame is located;

the light emitting part comprises a dark box, the rear end and the front end of the inner wall of the dark box are respectively provided with a light source plate and a transparent mask plate, the light source plate and the transparent mask plate are arranged in parallel, the outer side of the transparent mask plate is provided with a polaroid in parallel, light generated by the light source plate is converted into parallel light beams after passing through the transparent mask plate, and an irradiation route passes through the outer frame;

the transparent mask plate and the plane of the outer frame are fixedly arranged in parallel or the included angle between the transparent mask plate and the plane of the outer frame is adjustable.

As a preferred technical solution of the present invention, the workpiece support further includes a plurality of sets of shafts and a second supporting roller, the first supporting roller is rotatably mounted to the outer frame, the shafts are rotatably mounted to the plane of the outer frame, the plurality of sets of shafts are arranged in parallel, the second supporting roller is coaxially and fixedly arranged to the shafts, and when the workpiece in the workpiece support moves to one side, the first supporting roller and the second supporting roller have the same circumferential linear velocity;

when toughened glass places in the work rest, the toughened glass bottom is accepted by first backing roll, and toughened glass's inside wall is accepted by the second backing roll, when one of them group of rotation of first backing roll and second backing roll, can drive the work piece and feed.

As a preferred technical scheme of the utility model, still include power drive mechanism, power drive mechanism can drive axis body or first supporting roller and rotate.

As a preferred technical scheme of the utility model, the arrangement heights of the second supporting rollers in a plurality of groups of shaft bodies of the workpiece support are different;

the second supporting rollers arranged at different heights support the toughened glass, so that the influence of over-concentration of stress points on stress spot detection in the process of bearing the toughened glass is avoided.

As a preferred technical solution of the present invention, the light-emitting device further comprises a fixing frame, the workpiece support is fixedly mounted on the fixing frame, the bottom of the light-emitting part is rotatably mounted on the fixing frame, and a telescopic rod is hinged between the upper end of the light-emitting part and the fixing frame;

the both ends of telescopic link all adopt articulated mode, when telescopic link length variation, can drive the whole rotation of illuminating part, adjust the angle between illuminating part and the work piece support promptly to obtain best impression.

Compared with the prior art, the beneficial effects of the utility model are that: this lamp house is observed to glass stress spot passes through the form of camera bellows, increases parallel light source, and the polaroid forms the polarisation lamp house in addition to make light detect not receive place and environmental restriction, and can adjust the light source angle, thereby obtain the observation angle of preferred, be convenient for realize the full examination of toughened glass stress spot on the production line.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is a sectional view of the present invention;

fig. 3 is a combination diagram of a plurality of sets of the present invention.

In the figure: 1. a fixed mount; 2. a workpiece holder; 201. a first support roller; 202. a shaft body; 203. a second support roller; 3. a light emitting section; 301. a dark box; 302. a light source plate; 303. a transparent mask; 304. a polarizer; 305. a telescopic rod.

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. 1-3, the present invention provides a technical solution: a glass stress spot observation lamp box comprises a workpiece support 2 and a light emitting part 3; the workpiece support 2 comprises an outer frame which is obliquely arranged, the included angle between the plane where the outer frame is located and the vertical plane is alpha, alpha is more than 0 degrees and less than 20 degrees, a plurality of groups of first supporting rollers 201 are arranged at the bottom of the outer frame, and the axis of each first supporting roller 201 is perpendicular to the plane where the outer frame is located; the light emitting part 3 comprises a dark box 301, the rear end and the front end of the inner wall of the dark box 301 are respectively provided with a light source plate 302 and a transparent mask 303, the light source plate 302 and the transparent mask 303 are arranged in parallel, the outer side of the transparent mask 303 is provided with a polarizer 304 in parallel, light generated by the light source plate 302 passes through the transparent mask 303 and then is converted into parallel light beams, and an irradiation path passes through an outer frame; the transparent mask 303 and the plane of the outer frame are fixedly arranged in parallel or the included angle between the transparent mask and the plane of the outer frame is adjustable.

Preferably, α is 15 °, so that the tempered glass can have a good fit with the workpiece holder 2, and during the feeding process, the tempered glass does not have an excessive forward pressure on the second support roller 203, and the detection of the tempered glass surface stress spot is less affected.

Referring to fig. 1, the workpiece support 2 further includes a plurality of sets of shaft bodies 202 and second supporting rollers 203, the first supporting rollers 201 are rotatably mounted with the outer frame, the shaft bodies 202 are rotatably mounted in a plane of the outer frame, the plurality of sets of shaft bodies 202 are arranged in parallel, the second supporting rollers 203 are coaxially and fixedly arranged with the shaft bodies 202, and when a workpiece in the workpiece support 2 moves to one side, the first supporting rollers 201 and the second supporting rollers 203 have the same circumferential linear velocity; when toughened glass is placed in the workpiece support 2, the bottom end of the toughened glass is supported by the first supporting roller 201, the inner side wall of the toughened glass is supported by the second supporting roller 203, and when one group of the first supporting roller 201 and the second supporting roller 203 rotates, a workpiece can be driven to feed.

The device also comprises a power driving mechanism which can drive the shaft body 202 or the first supporting roller 201 to rotate;

and a motor is added as a power driving mechanism to drive the first supporting roller 201 or the shaft body 202 to rotate, so that the toughened glass is driven to feed along the horizontal direction.

The arrangement heights of the second supporting rollers 203 in the plurality of groups of shaft bodies 202 of the workpiece support 2 are different;

the tempered glass is supported by the second supporting rollers 203 arranged at different heights, so that the influence of over-concentration of stress points on stress spot detection in the process of bearing the tempered glass is avoided.

The device also comprises a fixed frame 1, a workpiece support 2 is fixedly arranged with the fixed frame 1, the bottom of the luminous part 3 is rotatably arranged with the fixed frame 1, and a telescopic rod 305 is hinged between the upper end of the luminous part 3 and the fixed frame 1;

both ends of the telescopic rod 305 are hinged, and when the length of the telescopic rod 305 changes, the whole light emitting part 3 can be driven to rotate, namely, the angle between the light emitting part 3 and the workpiece support 2 is adjusted, so that the best appearance is obtained.

Referring to fig. 3, in the production line, in order to ensure the detection result, a plurality of sets of observation lamp boxes can be arranged in parallel to increase the time for the tempered glass to pass through the lamp boxes.

The light source plate 302 is an LED surface light source, the transparent mask plate 303 is an acrylic plate, the LED light source is fixed on the innermost side of the dark box 301 through screws, the acrylic plate is fixed outside the dark box 301 through screws and plays a role in supporting the polarizer 304, the polarizer 304 is fixed on the outer side of the acrylic plate, and the first supporting roller 201 below the outermost side is used for placing observed glass; when the device is used, a power supply of an LED light source is switched on, light is emitted, then the light is diffused into a uniform surface light source through a milky acrylic plate, and then the light penetrates through a sample after penetrating through a polarizer grating; the observer is positioned at the other side of the sample to observe the stress spot effect of the sample.

Stress spots are often obvious only under the conditions of specific light, specific angle and certain stacking thickness, and the stress spots are not obvious enough in the production process under the condition of single sheets; in the production process of a production line, the stress spot condition of the produced toughened glass cannot be detected in time, so that the quality control degree of the product is not enough; therefore, the polarized light box is manufactured, observation conditions which are not limited by time, places and weather are created, and the stress spot condition of the toughened glass can be observed more obviously and visually.

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 lamp house is observed to glass stress spot which characterized in that: comprises a workpiece support (2) and a light-emitting part (3);

the workpiece support (2) comprises an outer frame which is obliquely arranged, the included angle between the plane where the outer frame is located and the vertical plane is alpha, alpha is more than 0 degree and less than 20 degrees, a plurality of groups of first supporting rollers (201) are arranged at the bottom of the outer frame, and the axis of each first supporting roller (201) is perpendicular to the plane where the outer frame is located;

the light emitting part (3) comprises a dark box (301), the rear end and the front end of the inner wall of the dark box (301) are respectively provided with a light source plate (302) and a transparent mask plate (303), the light source plate (302) and the transparent mask plate (303) are arranged in parallel, a polaroid (304) is arranged on the outer side of the transparent mask plate (303) in parallel, light generated by the light source plate (302) passes through the transparent mask plate (303) and then is changed into parallel light beams, and an irradiation route passes through an outer frame;

the transparent mask (303) and the plane of the outer frame are fixedly arranged in parallel or the included angle between the transparent mask and the plane of the outer frame is adjustable.

2. The glass stress spot observation lamp box according to claim 1, wherein: workpiece support (2) still include a plurality of groups axis body (202) and second backing roll (203), first backing roll (201) rotates the installation with outer frame, axis body (202) rotate to be installed in outer frame place plane, a plurality of groups axis body (202) parallel arrangement, second backing roll (203) and axis body (202) coaxial fixed arrangement, when the work piece in workpiece support (2) to the lateral motion, first backing roll (201) and second backing roll (203) have the same circumference linear velocity.

3. The glass stress spot observation lamp box according to claim 2, wherein: the device also comprises a power driving mechanism which can drive the shaft body (202) or the first supporting roller (201) to rotate.

4. The glass stress spot observation lamp box according to claim 2, wherein: the arrangement heights of the second supporting rollers (203) in a plurality of groups of shaft bodies (202) of the workpiece support (2) are different.

5. The glass stress spot observation lamp box according to claim 1, wherein: still include mount (1), work support (2) and mount (1) fixed mounting, illuminating part (3) bottom and mount (1) rotate the installation, it has telescopic link (305) to articulate between illuminating part (3) upper end and mount (1).