Pressing wheel device and 3D imprinting exposure equipment

Abstract

The utility model discloses a pinch roller device and 3D impressing exposure equipment, the pinch roller device comprises a lever, a pinch roller, a balancing weight and a first cylinder, the pinch roller and the balancing weight are respectively arranged at two ends of the lever, and the pinch roller and the balancing weight are kept balanced; the first air cylinder is arranged above the pressing wheel, and the first air cylinder can make contact with the pressing wheel and apply downward pressure to the pressing wheel. According to the pressing wheel device, the configuration block is additionally arranged on the opposite side of the pressing wheel to offset the self weight of the pressing wheel, so that only the pressure output by the first air cylinder during pressing is achieved, precise control over the pressure is achieved, and it is guaranteed that the product thickness is uniform; the size or the imprinting speed of the existing pressing wheel is not adjusted, so that the pressing wheel is still suitable for imprinting operation of low-viscosity and large-width products; and the pressing wheel is controlled to ascend and descend through the second air cylinder, the stamping requirements of products with different thicknesses can be met, and the universality and practicability of the device are improved.

Description

Technical Field

[0001] This utility model relates to the field of optical film imprinting technology, and in particular to an imprinting roller device and a 3D imprinting exposure equipment. Background Technology

[0002] When developing large-scale imprinting exposure equipment, the cured product has precise requirements for its cured thickness. During the imprinting process, due to factors such as the low viscosity of the UV adhesive, the large imprinting area, and the heavy weight of the pressure rollers, the pressure of the pressure rollers cannot be precisely controlled, resulting in inaccurate control of the thickness of the cured product.

[0003] like Figure 1 As shown, in existing pressure roller devices, the pressure roller is raised and lowered by a cylinder, providing a corresponding pressure output according to the required pressure. Due to the weight of the pressure roller itself, this design is limited to non-downward pressing applications, and therefore cannot be used when downward pressing is required. Design drawback: Due to the weight of the pressure roller, when pressing from top to bottom, the weight of the pressure roller plus the pressure itself results in a total pressure exceeding the required pressure during imprinting, leading to inaccurate control of product thickness (see...). Figure 2 (Circled area). For large-size printing, the larger the printing area, the wider the pressure roller, and the heavier the relative weight of the pressure roller, the less accurately the required pressure can be controlled, making large-size printing impossible.

[0004] Currently, while reducing the weight of the pressure roller and increasing the printing speed can meet the needs of small-area printing to a certain extent, the excessively light weight of the pressure roller limits its length and stability, making it difficult to meet the needs of large-format printing and failing to fundamentally solve the problem of precise pressure control. Utility Model Content

[0005] The purpose of this invention is to provide a pressure roller device and a 3D imprinting exposure equipment. By counterweighting the side of the pressure roller to offset its own weight, the downward pressure of the pressure roller can be precisely controlled, thereby ensuring uniform control of the product thickness.

[0006] The objective of this utility model is achieved through the following technical solution:

[0007] A pressure roller device, comprising:

[0008] lever;

[0009] The pressure roller and the counterweight are respectively located at both ends of the lever and are kept in balance between them;

[0010] A first cylinder is positioned above the pressure roller, and the first cylinder is capable of contacting the pressure roller and applying downward pressure to it.

[0011] In some embodiments, the lever comprises an impression end and a counterweight end; wherein the press wheel is detachably arranged at the impression end, and the counterweight of the counterweight end is adjustable.

[0012] In some embodiments, the counterweight block is replaceably arranged at the counterweight end.

[0013] In some embodiments, the counterweight end is provided with a sliding slot, and the counterweight block is slidingly arranged in the sliding slot and can be fixed at any position in the slot.

[0014] In some embodiments, the number of the first cylinders is two, and the two first cylinders are arranged at two ends of the length direction of the press wheel.

[0015] In some embodiments, the first cylinder is a precision pneumatic cylinder.

[0016] In some embodiments, the surface of the press wheel is provided with a conductive layer, and the conductive layer is grounded.

[0017] In some embodiments, the press wheel is arranged above a work platform for pressing a product.

[0018] In some embodiments, a second cylinder is further included, and the second cylinder is connected with the fulcrum shaft of the lever for controlling the lifting movement of the press wheel.

[0019] A 3D impression exposure device comprises the press wheel device.

[0020] Compared with the prior art, the beneficial effects of the present application at least include:

[0021] 1. By adding a configuration block on the opposite side of the press wheel to offset its weight, only the pressure output by the first cylinder is applied when pressing, so that the pressure can be accurately controlled, and the uniformity of the product thickness is ensured.

[0022] 2. The size or impression speed of the existing press wheel is not adjusted, which makes it still applicable to low viscosity and large width product impression operations.

[0023] 3. The lifting of the press wheel is controlled by the second cylinder, which can meet the pressing needs of products of different thicknesses, and improve the versatility and practicality of the device. BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1 is a structural schematic diagram of the existing press wheel device.

[0025] Figure 2 is a cross-sectional schematic diagram of a product under conventional impression of the press wheel.

[0026] Figure 3 is a front structural schematic diagram of the press wheel device of the present application.

[0027] Figure 4 It is the side structure schematic diagram of the pressure wheel device.

[0028] Figure 5 It is the cross section schematic diagram of the product under the impression after the pressure wheel offsets the self weight.

[0029] In the figure: 1, lever; 11, impression end; 12, counterweight end; 121, sliding groove; 13, fulcrum shaft; 2, pressure wheel; 3, counterweight block; 4, first air cylinder; 5, working platform; 6, second air cylinder. DETAILED DESCRIPTION

[0030] Example implementations will now be described more fully with reference to the accompanying drawings. Example implementations may, however, be implemented in many different forms and should not be construed as limited to the implementations set forth herein; rather, these implementations are provided so that this disclosure will be thorough and complete, and fully convey the inventive aspects of example implementations to those skilled in the art. Like reference numerals refer to like elements throughout the figures, and descriptions of the same elements will not be repeated.

[0031] The words expressing position and direction described in the present application are explained by taking the drawings as an example, but changes can also be made according to needs, and the changes made are all included in the protection scope of the present application.

[0032] Referring to Figure 1 As shown, in the pressure wheel device, the pressure wheel 2 is driven by the first air cylinder 4 to ascend and descend on the working platform 5, and responds to the required pressure to output pressure, but due to the self weight of the wheel, this design is only limited to non-downward use, so for the downward pressure, this device cannot be applied (when pressing from top to bottom, the weight acting on the product is the weight of the wheel + the weight of the pressure, and when the product (film) is pressed, the total pressure exceeds the required pressure, resulting in that the thickness of the product (film) cannot be accurately controlled, and the thickness unevenness problem as shown in Figure 2 occurs).

[0033] Therefore, the present application provides a novel pressure wheel device through structural improvement. Referring to Figure 3 and Figure 4 As shown, the pressure wheel device comprises a lever 1, a pressure wheel 2, a counterweight block 3 and a first air cylinder 4. The pressure wheel 2 and the counterweight block 3 are arranged at two ends of the lever 1 respectively and keep balance between them, and the first air cylinder 4 is arranged above the pressure wheel 2, and the first air cylinder 4 can contact the pressure wheel 2 and apply downward pressure to it.

[0034] The present application utilizes the principle of lever 1, by adding the same weight of configuration block on the opposite side of the pressure roller 2, so as to offset the self weight of the pressure roller 2. In use, the pressure roller 2 is arranged above the working platform 5, and the first air cylinder 4 outputs downward pressure. Since the self weight of the pressure roller 2 is zero, only the downward pressure output by the first air cylinder 4 acts on the product surface when the product is pressed, so as to achieve the purpose of precise pressing. Moreover, the pressure roller 2 of the present application does not involve adjusting the size or pressing speed, which makes it still applicable to low viscosity and large width product pressing operation, and ensures that the product thickness can be accurately controlled.

[0035] As shown in Figure 5 , Figure 5 the cross-sectional structure of the product under the pressing of the pressure roller 2 after offsetting the self weight, compared with Figure 2 the cross-sectional structure of the product under the conventional pressing of the pressure roller 2, the product pressed by the pressure roller device of the present application has more uniform thickness and higher yield.

[0036] As shown in Figure 4 , in some embodiments, the lever 1 includes a pressing end 11 and a counterweight end 12, wherein the pressure roller 2 is detachably arranged at the pressing end 11, and the counterweight of the counterweight end 12 can be adjusted to cope with pressure rollers 2 of different weights and meet the needs of different pressing conditions.

[0037] For example, the counterweight block 3 is replaceably arranged at the counterweight end 12, for example, the counterweight block 3 can be detachably fixed to the counterweight end 12 (not shown) in a sleeving, clamping, threaded connection or other manner. By replacing the configuration block of different weights, the pressure roller 2 of different weights can be balanced.

[0038] Or as shown in Figure 4 , the counterweight end 12 is provided with a sliding groove 121, the groove extends along the length direction of the lever 1, and the counterweight block 3 is slidingly arranged in the sliding groove 121 and can be fixed at any position in the groove (such as fixed by friction force, adsorption force, lock pin or other ways). In this example, without replacing the counterweight block 3, the length of the force arm can be adjusted to balance the pressure roller 2 of different weights, which has the advantages of flexible adjustment and convenient use.

[0039] As shown in Figure 3 , in some embodiments, the number of first air cylinders 4 is two, which are arranged at both ends of the length direction of the pressure roller 2, so that the downward pressure is uniformly distributed on the pressure roller 2, thereby improving the pressing effect.

[0040] Preferably, the first air cylinder 4 is a precision air cylinder, which outputs accurate air pressure downward, so that the product thickness can be uniformly controlled, thereby ensuring the product quality.

[0041] In some embodiments, the surface of the pressure wheel 2 is provided with a conductive layer, such as an indium tin oxide layer, a nano-silver layer, etc., and the conductive layer is grounded, so as to remove static electricity generated by the contact between the pressure wheel 2 and the product during the embossing process, avoid damage to the product, and improve the yield of the product.

[0042] Referring to Figure 3 As shown, the pressure wheel device further comprises a second air cylinder 6 connected with the fulcrum shaft 13 of the lever 1, for controlling the lifting movement of the pressure wheel 2, so as to meet the embossing requirements of products with different thicknesses, and improve the versatility and practicability of the device.

[0043] In addition, the utility model further provides a 3D embossing exposure equipment, adopts the pressure wheel device, this makes the product thickness uniform that 3D embossing exposure equipment produces, quality is better.

[0044] Although the embodiments of the utility model have been shown and described above, it can be understood that the above-mentioned embodiments are exemplary and cannot be understood as limiting the utility model, and the ordinary skilled in the art can change, modify, replace and transform the above-mentioned embodiments within the scope of the utility model without departing from the principles and purposes of the utility model, and all these changes should belong to the protection scope of the utility model claim.

Claims

1. A pinch roller device, characterized by, The utility model relates to a press wheel device, comprising: a lever (1); a press wheel (2) and a counterweight (3) arranged at two ends of the lever (1) respectively and balanced between the two; a first cylinder (4) arranged above the press wheel (2), the first cylinder (4) being capable of contacting and applying downward pressure to the press wheel (2).

2. The compression wheel device of claim 1, wherein, The lever (1) comprises a pressing end (11) and a counterweight end (12); wherein the press wheel (2) is detachably arranged at the pressing end (11), and the counterweight of the counterweight end (12) is adjustable.

3. The compression wheel device of claim 2, wherein, The counterweight (3) is replaceably arranged at the counterweight end (12).

4. The compression wheel device of claim 2, wherein, The counterweight end (12) is provided with a sliding groove (121), the counterweight (3) is slidingly arranged in the sliding groove (121) and can be kept stationary at any position in the groove.

5. The compression wheel device of claim 1, wherein, The number of the first cylinders (4) is two, and the first cylinders (4) are arranged at two ends of the length direction of the press wheel (2) respectively.

6. The compression wheel device of claim 1, wherein, The first cylinder (4) is a precision pneumatic cylinder.

7. The compression wheel device of claim 1, wherein, The surface of the press wheel (2) is provided with a conductive layer, and the conductive layer is grounded.

8. The compression wheel apparatus of claim 1, wherein, The press wheel (2) is arranged above a work platform (5) and used for pressing a product.

9. The roller device according to any one of claims 1 to 8, characterized in that Further comprising a second cylinder (6) connected with a fulcrum shaft (13) of the lever (1) and used for controlling the lifting movement of the press wheel (2).

10. A 3D imprint exposure apparatus characterized by comprising: The utility model relates to a press wheel device, comprising: a lever (1); a press wheel (2) and a counterweight (3) arranged at two ends of the lever (1) respectively and balanced between the two; a first cylinder (4) arranged above the press wheel (2), the first cylinder (4) being capable of contacting and applying downward pressure to the press wheel (2). The lever (1) comprises a pressing end (11) and a counterweight end (12); wherein the press wheel (2) is detachably arranged at the pressing end (11), and the counterweight of the counterweight end (12) is adjustable. The counterweight (3) is replaceably arranged at the counterweight end (12). The counterweight end (12) is provided with a sliding groove (121), the counterweight (3) is slidingly arranged in the sliding groove (121) and can be kept stationary at any position in the groove. The number of the first cylinders (4) is two, and the first cylinders (4) are arranged at two ends of the length direction of the press wheel (2) respectively. The first cylinder (4) is a precision pneumatic cylinder. The surface of the press wheel (2) is provided with a conductive layer, and the conductive layer is grounded. The press wheel (2) is arranged above a work platform (5) and used for pressing a product. Further comprising a second cylinder (6) connected with a fulcrum shaft (13) of the lever (1) and used for controlling the lifting movement of the press wheel (2). The utility model relates to a press wheel device, comprising: a lever (1); a press wheel (2) and a counterweight (3) arranged at two ends of the lever (1) respectively and balanced between the two; a first cylinder (4) arranged above the press wheel (2), the first cylinder (4) being capable of contacting and applying downward pressure to the press wheel (2). The lever (1) comprises a pressing end (11) and a counterweight end (12); wherein the press wheel (2) is detachably

Images