CN215376080U - Roll-to-roll exposure device - Google Patents

Abstract

The utility model discloses a roll-to-roll exposure device, which comprises an exposure part, wherein the exposure part comprises an exposure adsorption piece, an alignment lens and an exposure lens, the exposure adsorption piece is positioned below a roll material and used for adsorbing and fixing the roll material when the roll material is exposed, the alignment lens and the exposure lens are both positioned above the roll material, and the alignment lens is positioned on one side of the exposure lens. The exposure part of the utility model adopts digital exposure, thus improving the exposure precision, and the coil stock is adsorbed and fixed by the sucker, thus avoiding exposure deviation during exposure.

Description

Roll-to-roll exposure device

Technical Field

The utility model relates to a roll-to-roll exposure technology, in particular to a roll-to-roll exposure device.

Background

As shown in fig. 1, in a conventional Roll-to-Roll (Roll) exposure machine, a film exposure mode is adopted in an exposure part 20, that is, a film 4 and a full light source are used to expose a web 2. The specific exposure process comprises the following steps: 1. the roll-up machine 40 and the roll-up machine 10 move to drive the roll material 2 to move a predetermined distance in the exposure part 20, and then the upper and lower transparent glass cover plates 3 of the exposure part 20 clamp and fix the roll material 2 to prevent the roll material from moving, bending and the like. 2. A CCD (charge coupled device) camera of the exposure part 20 captures a mark point 24 on the web, determines a position error (offset error, angle error, etc.) of the web 2, and then adjusts the position compensation error of the film 4 correspondingly. 3. The whole light source covers the film 4 and the roll material 2, and the roll material 2 is exposed.

The disadvantages of the above solution are: 1. the accuracy of film exposure is low. 2. The way that the glass cover plate clamps the fixed coil stock can weaken the laser, cause the exposure deviation.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects of the prior art and provide a roll-to-roll exposure device which has high exposure precision and can avoid exposure deviation.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a reel-to-reel exposure device, the device is including the exposure part, the exposure part is including exposing adsorption part, counterpoint camera lens and exposure camera lens, the exposure adsorption part is located the below of coil stock for adsorb when the coil stock exposes and fix the coil stock, counterpoint camera lens and exposure camera lens all are located the top of coil stock, just the counterpoint camera lens is located one side of exposure camera lens.

Preferably, the alignment lens and the exposure lens move back and forth in the exposure direction relative to the coil stock, and the alignment lens and the exposure lens move simultaneously.

Preferably, counterpoint camera lens and exposure camera lens all set up a plurality ofly, it is a plurality of counterpoint camera lens and exposure camera lens all distribute along the width direction of coil stock, and all cover the width of coil stock.

Preferably, the apparatus further includes a lifting mechanism for lifting the web off the exposure suction member or lowering the web onto the exposure suction member.

Preferably, the two sides of the exposure adsorption piece are respectively provided with one lifting mechanism.

Preferably, the part of the lifting mechanism contacting with the roll material is provided with at least one roller.

Preferably, the apparatus further comprises a reel-up and a reel-out, the exposure section being located between the reel-up and the reel-out.

Preferably, the device further comprises a pulling section, and the pulling section is positioned between the exposure part and the rolling machine.

Preferably, the web located at the exposure portion includes at least an exposed area and an acceleration area located between the exposure start point and the exposure end point, and the acceleration area is located between the exposure start point and the exposed area.

Preferably, the web at the exposure portion further comprises a deceleration zone located between the exposed area and the end point.

The utility model has the beneficial effects that:

1. the exposure part of the utility model adopts digital exposure (specifically uses a digital micro-reflector DMD or laser direct projection), and compared with film exposure, the exposure precision is improved.

2. The utility model adopts the sucking disc to adsorb and fix the coil stock, can avoid the problems of light reflection and refraction of the existing glass clamping plate, and avoids exposure deviation.

3. The utility model sets buffer areas on both sides of the exposure area, and can adjust the speed of the exposure lens, so that the exposure lens moves at a constant speed in the exposure area, and the exposure precision is ensured.

Drawings

FIG. 1 is a schematic view of a conventional roll-to-roll exposure machine;

FIG. 2 is a schematic view of the structure of the roll-to-roll exposure apparatus according to the present invention;

FIG. 3 is a schematic view of the distribution of the zones on the web of the present invention;

FIG. 4 is a schematic top view of the exposed portion of the present invention.

Reference numerals:

1. the device comprises a roll-to-roll exposure device 10, a roll-to-roll machine 20, an exposure part 201, an exposure adsorption piece 202, an alignment lens 203, an exposure lens 204, a lifting mechanism 30, a material pulling section 40, a roll-to-roll machine 2, a roll material 21, an exposed area 22, an exposure starting point 23, an end point 24, a marking point 25, an acceleration area 26, a deceleration area a, a first direction b, a second direction 3, a glass cover plate 4 and a film.

Detailed Description

The technical solution of the embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings of the present invention.

According to the roll-to-roll exposure device disclosed by the utility model, the exposure part adopts digital exposure, the exposure precision is improved, and the reel is adsorbed and fixed by the sucking disc, so that the exposure deviation is avoided during exposure.

As shown in fig. 2, a roll-to-roll exposure apparatus 1 disclosed in the embodiment of the present invention includes a reel-up machine 10, an exposure portion 20, a material pulling section 30 and a roll-up machine 40, wherein the exposure portion 20 is located between the reel-up machine 10 and the material pulling section 30, and the material pulling section 30 is located between the exposure portion 20 and the roll-up machine 40, except for the exposure portion 20, the reel-up machine 10, the material pulling section 30 and the roll-up machine 40 of the present invention can be implemented by using corresponding structures in the existing roll-to-roll exposure machine, so that the present invention will not be described in detail for this, and the structure of the lower exposure portion 20 will not be described in detail. In other alternative embodiments, the pulling section 30 may be omitted.

As shown in fig. 2, the exposure portion 20 of the present invention mainly includes an exposure absorption member 201, an alignment lens 202, an exposure lens 203, and a lifting mechanism 204, wherein the exposure absorption member 201 is located below the web 2 and is used for absorbing and fixing the web 2 before exposure, so as to prevent the web 2 from moving, bending, and the like, and in practice, the exposure absorption member 201 may adopt a suction cup. Because of in the current fixed knot who presss from both sides tight coil stock 2 with the glass apron, the glass apron can reflect partly light, has weakened the energy of laser, and light passes the glass apron moreover and can take place the refraction, causes the exposure deviation. Compared with the existing fixing structure adopting glass cover plate clamping, the exposure part of the utility model adopts a mode of sucking and fixing the coil materials by the sucking disc, so that the problems of weakening laser energy, causing exposure deviation and the like can be avoided.

The alignment lens 202 and the exposure lens 203 are both installed above the coil stock 2, and in this embodiment, the alignment lens 202 and the exposure lens 203 are installed together and move synchronously, and the alignment lens 202 is located on one side of the exposure lens 203. In this embodiment, the alignment lens 202 is a CCD camera. In addition, in the embodiment, two alignment lenses, that is, two alignment lenses 202 are arranged, and the two alignment lenses 202 are distributed along the width direction of the coil stock 2; the exposure lenses 203 are provided in three, and the three exposure lenses 203 are also provided in the width direction of the web 2. In other alternative embodiments, the alignment lens 202 and the exposure lens 203 may also be independently disposed, and both may be independently moved, and the number and the disposition positions of the alignment lens 202 and the exposure lens 203 are not limited herein, and may be set according to actual needs as long as the alignment lens 202 and the exposure lens 203 cover the width of the exposed area 21 on the roll material 2.

Preferably, because the front and back sides of the roll material 2 are coated with photosensitive materials, in order to avoid friction and scratch of the photosensitive materials with the exposure absorption member 201 when the roll material 2 moves, the two sides of the exposure absorption member 201 are respectively provided with a lifting mechanism 204, which is used for lifting the clamping roll material away from the exposure absorption member 201 after the exposure of the current section of roll material is finished, and before the alignment of the next section of roll material, the clamping roll material is lowered and absorbed onto the exposure absorption member 201. More preferably, in order to avoid the friction between the lifting mechanism 204 and the web 2, the present invention provides a roller (not shown) at the contact part of the lifting mechanism 204 and the web 2, so as to reduce the friction between the lifting mechanism 204 and the web 2.

Referring to fig. 3 and 4, each roll of the embodiment of the utility model includes an exposure start point 22, an exposure end point 23, an exposed area 21 located between the exposure start point 22 and the exposure end point 23, and four Mark points (Mark) 24, where the exposed area 21 is rectangular, the four Mark points 24 are located on the periphery of the exposed area 21, and the four Mark points 24 are respectively located near four vertices of the exposed area 21. The two alignment lenses 202 above the roll 2 correspond to the two marks 24 on the exposed area 21 side in the width direction, respectively.

Preferably, each roll of material of the embodiment of the present invention further includes a buffer area for adjusting the speed of the exposure lens 203 outside the exposed area 21, and in this embodiment, the buffer area includes an acceleration area 25 and a deceleration area 26, where the acceleration area 25 is located between the exposure starting point 22 and the exposed area 21 and is used for accelerating the exposure lens 203, and the deceleration area 26 is located between the end point 23 and the exposed area 21 and is used for decelerating the exposure lens 203 until the brake stops, so as to adjust that the exposure lens 203 moves at a constant speed in the exposed area 21, that is, uniformly exposes the exposed area 21.

In the present embodiment, the alignment lens 202 moves from the end point 23 to the exposure start point 22 along the first direction a, if the first direction a is a left-to-right direction in fig. 2 and 3, during the movement of the alignment lens 202 from left to right, the two alignment lenses 202 first obtain the two mark points 24 at the left end and then obtain the two mark points 24 at the other end (i.e. the right end), and determine the exposure parameters of the web 2 according to the positions of the four mark points 24, where the exposure parameters specifically include a position error, an angle error, and a stretch and shrink deviation of the web 2. The exposure image data is adjusted according to these exposure parameters.

The exposure principle of the utility model is specifically as follows: the roll-up machine 40 and the roll-up machine 10 move cooperatively to drive the roll material 2 to move a preset distance in the exposure part 20, the lifting mechanism 204 of the exposure part 20 clamps and descends the roll material 2 to be adsorbed onto the exposure adsorption member 201 and then releases the roll material, and then the exposure adsorption member 201 of the exposure part 20 adsorbs and fixes the roll material 2; the alignment lens 202 above the web 2 moves in the first direction a between the exposure start point 22 and the exposure end point 23, obtains the exposure parameters of the web 2, and adjusts the exposure image data according to the exposure parameters. After the alignment is completed, the exposure lens 203 above the web 2 moves in the second direction b opposite to the first direction a between the exposure start point 22 and the exposure end point 23, and scans and exposes the web 2 according to the exposure image data. After the exposure is finished, the alignment lens 202 and the exposure lens 203 are both located at the leftmost exposure end point 23 (i.e., the starting point of the next alignment) of the web 2, and the next alignment and exposure are prepared. Then the exposure absorbing member 201 of the exposure part 20 releases the coil stock 2, and the lifting mechanisms 204 at two sides of the exposure absorbing member 201 release the current coil stock 2 after clamping and lifting the current coil stock 2 by a preset distance, so that the current coil stock 2 leaves the exposure absorbing member 201. And circulating the steps until the whole roll of the material 2 is exposed and processed.

Therefore, the scope of the present invention should not be limited to the disclosure of the embodiments, but includes various alternatives and modifications without departing from the scope of the present invention, which is defined by the claims of the present patent application.

Claims (10)

1. The utility model provides a reel-to-reel exposure device, its characterized in that, the device is including the exposure part, the exposure part is including exposing adsorption part, counterpoint camera lens and exposure camera lens, exposure adsorption part is located the below of coil stock for adsorb when the coil stock exposes and fix the coil stock, counterpoint camera lens and exposure camera lens all are located the top of coil stock, just the counterpoint camera lens is located one side of exposure camera lens.

2. The roll-to-roll exposure apparatus according to claim 1, wherein the alignment lens and the exposure lens are reciprocally moved in the exposure direction with respect to the web, and the alignment lens and the exposure lens are moved simultaneously.

3. The roll-to-roll exposure apparatus according to claim 1, wherein the alignment lens and the exposure lens are provided in plural, and the plural alignment lenses and the plural exposure lenses are distributed along a width direction of the web and cover a width of the web.

4. The roll-to-roll exposure apparatus according to claim 1, further comprising a lifting mechanism for lifting the web off the exposure suction member or lowering the web onto the exposure suction member.

5. The roll-to-roll exposure apparatus according to claim 4, wherein one of the lifting mechanisms is provided on each of both sides of the exposure suction member.

6. The roll-to-roll exposure apparatus according to claim 4, wherein a portion of the lifting mechanism that contacts the web is provided with at least one roller.

7. The roll-to-roll exposure apparatus according to claim 1, further comprising a roll-up machine and a roll-out machine, the exposure section being located between the roll-up machine and the roll-out machine.

8. The roll-to-roll exposure apparatus according to claim 7, further comprising a take-up section between the exposure section and the roll-up.

9. The roll-to-roll exposure apparatus according to claim 1, wherein the web located at the exposure portion includes at least an exposed area and an acceleration area located between the exposure start point and the exposure end point, the acceleration area being located between the exposure start point and the exposed area.

10. The roll-to-roll exposure apparatus according to claim 9, wherein the web at the exposure portion further comprises a deceleration zone, the deceleration zone being located between the exposed area and the end point.

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