Rolling transfer printing device

Abstract

The utility model discloses a rolling transfer printing device which comprises a carrying assembly, a mounting plate, a rolling wheel and a third rotation driving piece, the third rotation driving piece is fixedly mounted on the mounting plate, and the third rotation driving piece is used for driving the rolling wheel to rotate; the scraping plate is fixedly installed on the installation plate and located on one side of the rolling wheel, and a preset distance is formed between the scraping plate and the outer surface of the rolling wheel; the ink box is fixedly mounted on the mounting plate, and the ink box is positioned below the roller; wherein the roller part is located in the ink box. The third rotary driving part drives the roller to rotate so that ink in the ink box can be smeared on the roller, the ink with the preset thickness can be obtained by adjusting the distance between the scraping plate and the outer surface of the roller, and then the carrying assembly drives a product to move to the position of the roller to be rolled so that the ink can be transferred to the product. Therefore, the printing ink can be automatically rolled onto the product.

Description

Technical Field

[0001] This utility model relates to the field of lens ink coating technology, and in particular to a roller transfer device. Background Technology

[0002] In the manufacturing process of wearable, tablet electronic devices, and AR / VR glasses, the lens side light-blocking process is a crucial step. Currently, the market commonly uses ink to cover the sides to achieve a light-blocking effect, preventing light leakage and thus improving the product's visual appeal and user experience. However, this process currently relies heavily on manual operation, resulting in low production efficiency, high labor costs, and low yield rates.

[0003] Specifically, manual operation makes it difficult to ensure uniformity and consistency during ink coating, resulting in poor ink thickness control, which in turn affects the light-blocking effect and the overall quality of the product. Existing technologies using piezoelectric ceramic jet valves for ink jetting have found their ink thickness control to be less than ideal, often exceeding the predetermined thickness. This not only increases the product's thickness and weight but may also cause quality problems such as blurred edges and light leakage, reducing the product's market competitiveness. Therefore, we provide a roller transfer printing device to solve these problems. Utility Model Content

[0004] The purpose of this invention is to overcome the shortcomings of the prior art and provide a roller transfer printing device.

[0005] The objective of this utility model is achieved through the following technical solution:

[0006] A roller transfer printing device includes a conveying assembly for transporting and transferring products; a mounting plate for mounting various components; a roller rotatably mounted on the mounting plate; a third rotary drive fixedly mounted on the mounting plate for driving the roller to rotate; a squeegee fixedly mounted on the mounting plate and located on one side of the roller, with a predetermined distance between the squeegee and the outer surface of the roller; and an ink cartridge fixedly mounted on the mounting plate and located below the roller, wherein the roller portion is located within the ink cartridge.

[0007] Preferably, the conveying assembly includes a two-axis moving module, the moving end of which is fixedly mounted with a first rotary drive component that rotates vertically, the rotating end of which is fixedly mounted with a second rotary drive component capable of horizontal rotation, and the rotating end of which is fixedly mounted with a carrier.

[0008] Preferably, it also includes a linear module, the movable end of which is fixedly mounted on a bracket, the mounting plate is rotatably mounted on the bracket, and the mounting plate is also provided with a counterweight assembly, the counterweight assembly and the roller being located on opposite sides of the rotation axis of the mounting plate.

[0009] Preferably, the counterweight assembly includes a mounting shaft disposed at the end of the mounting plate away from the roller, a counterweight block is mounted on the mounting shaft, and the counterweight block is screwed to be close to or away from the rotating shaft of the mounting plate.

[0010] Preferably, a spring is installed between the mounting plate and the bracket, and the spring is on the same side as the counterweight assembly.

[0011] Preferably, a tension sensor is provided between the spring and the bracket; or, a tension sensor is provided between the spring and the mounting plate.

[0012] Preferably, it further includes an adjusting slide, wherein the scraper is fixedly mounted on the adjusting slide and is used to drive the scraper to move in order to adjust the distance between the scraper and the outer surface of the roller.

[0013] Preferably, a housing is fixedly mounted on the mounting plate, and the roller is located in the receiving space formed by the housing and the mounting plate.

[0014] Preferably, the ink cartridge is in communication with the receiving space, and a detachable structure is provided between the ink cartridge and the housing. The detachable structure includes a limiting block fixedly installed on the housing, a limiting groove adapted to the limiting block is provided on the ink cartridge, and a screw bolt screwed onto the limiting block and extending to the inner wall of the limiting groove.

[0015] Preferably, it also includes a positioning camera for positioning the product on the transport assembly.

[0016] This utility model has the following advantages:

[0017] 1. This utility model uses a third rotary drive to drive the roller to rotate, thereby applying the ink in the ink cartridge to the roller. The ink thickness can be obtained by adjusting the distance between the scraper and the outer surface of the roller. Then, the conveying component moves the product to the position of the roller for rolling to transfer the ink to the product, thereby realizing the automatic rolling of ink onto the product.

[0018] 2. This utility model places the product on a carrier and, through the linkage of the two-axis moving module, the first rotary drive component, and the second rotary drive component, enables multi-angle adjustment of the product and multi-sided rolling of the product.

[0019] 3. This utility model prevents hard collisions when the product comes into contact with the roller by setting a counterweight on the mounting plate, thus protecting the product. Attached Figure Description

[0020] Figure 1 This is a schematic diagram of the overall structure of this utility model.

[0021] Figure 2 This is a schematic diagram of the handling component structure of this utility model.

[0022] Figure 3 This is a schematic diagram of the present invention in the state of having all the transport components removed.

[0023] Figure 4 This is an explosion diagram of the overall removal and handling assembly of this utility model.

[0024] Figure 5 This is a schematic diagram of the casing and ink cartridge in an exploded state according to this utility model.

[0025] In the diagram, 1. Handling component; 101. Two-axis moving module; 102. First rotary drive; 103. Second rotary drive; 104. Carrier; 2. Mounting plate; 3. Roller; 4. Third rotary drive; 5. Scraper; 6. Ink cartridge; 7. Linear module; 8. Bracket; 9. Adjusting slide; 10. Counterweight; 11. Spring; 12. Tension sensor; 13. Mounting shaft; 14. Positioning camera; 15. Housing; 16. Limiting groove; 17. Limiting block; 18. Tightening bolt. Detailed Implementation

[0026] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, not all embodiments. The components of the embodiments of this utility model described and shown in the accompanying drawings can typically be arranged and designed in various different configurations.

[0027] In the description of this utility model, it should also be noted that, unless otherwise explicitly specified and limited, the terms "set," "install," "connect," and "link" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0028] like Figure 1 — Figure 5 The example shown.

[0029] A roller transfer printing device includes a conveying assembly 1 for conveying and transferring products; a mounting plate 2 for mounting various components; a roller 3 rotatably mounted on the mounting plate 2; a third rotary drive 4 fixedly mounted on the mounting plate 2 for driving the roller 3 to rotate; a squeegee 5 fixedly mounted on the mounting plate 2 and located on one side of the roller 3, with a predetermined distance between the squeegee 5 and the outer surface of the roller 3; and an ink cartridge 6 fixedly mounted on the mounting plate 2 and located below the roller 3; wherein the roller 3 is partially located within the ink cartridge 6.

[0030] See Figure 1 and Figure 3 As shown, before the product is rolled and transferred, the distance between the third rotary drive 4 and the outer surface of the roller 3 can be adjusted. This distance is the thickness of the ink. In this embodiment, the end of the third rotary drive 4 near the roller 3 is collinear with the axis of the roller 3, that is, the axis of the third rotary drive 4 is parallel to the axis of the roller 3. Of course, in other embodiments, the axis of the third rotary drive 4 and the axis of the roller 3 may not be collinear. In practice, it can be selected according to actual needs, and there is no limitation here.

[0031] In order to ensure that the outer circumferential surface of the roller 3 is covered with ink during the rotation of the roller 3, the roller 3 is partially inserted into the ink cartridge 6. Specifically, at least part of the roller 3 is located below the ink surface in the ink cartridge 6. Specifically, the bottom part of the roller 3 is located below the ink surface. As the roller 3 is rotated by the third rotating drive 4, the surface of the roller 3 comes into contact with the ink in the ink cartridge 6, thereby coating the outer circumferential surface of the roller 3 with the ink from the ink cartridge 6 for use in subsequent product coating.

[0032] The transport assembly 1 includes a two-axis moving module 101. The moving end of the two-axis moving module 101 is fixedly installed with a first rotating drive 102 that rotates vertically. The rotating end of the first rotating drive 102 is fixedly installed with a second rotating drive 103 that can rotate horizontally. The rotating end of the second rotating drive 103 is fixedly installed with a carrier 104.

[0033] See Figure 2As shown, before roller coating, the product needs to be placed on the carrier 104. The carrier 104 has corresponding suction cups to fix the product on the carrier 104. In order to move the product on the carrier 104, the first rotary drive 102 can drive the product to rotate vertically, and the second rotary drive 103 can drive the product to move horizontally. Thus, the two-axis movement module 101 can drive the product to move linearly in the vertical and horizontal directions. That is, under the linkage of the two-axis movement module 101, the first rotary drive 102, and the second rotary drive 103, multi-angle and multi-position movement can be performed.

[0034] The two-axis moving module 101 can be composed of two linear moving modules. Specifically, it can be assembled using a motor screw module, a motor synchronous belt module, a linear motor module, a cylinder, etc. In this embodiment, the two-axis moving module 101 is composed of two motor screw modules.

[0035] In order to enable the vertical and horizontal rotation of the vehicle 104, the first rotation drive 102 and the second rotation drive 103 can be selected from components that can drive the object to rotate, such as motors, rotary cylinders, DD motors, etc. In this embodiment, the first rotation drive 102 is a motor. In order to further control the rotation accuracy, the first rotation drive 102 is a servo motor and the second rotation drive 103 is a DD motor.

[0036] It also includes a linear module 7, the movable end of which is fixedly mounted with a bracket 8, the mounting plate 2 is rotatably mounted on the bracket 8, and the mounting plate 2 is also provided with a counterweight assembly, the counterweight assembly and the roller 3 being located on opposite sides of the rotation axis of the mounting plate 2.

[0037] See Figure 1 , Figure 3 and Figure 4 As shown, the linear module group 7 drives the mounting plate 2, which is rotatably connected to the bracket 8, to move towards or away from the transport component 1, thereby changing the distance between the roller 3 and the carrier 104, so as to meet different working environments.

[0038] Since the ink on the roller 3 is rolled onto the product, a certain contact pressure is required between the product and the roller 3. In order to increase this pressure, a counterweight assembly is set at the end of the mounting plate 2 away from the roller 3. The counterweight assembly and the roller 3 are located at both ends of the rotating shaft of the mounting plate 2, thus forming a lever system. When the mounting plate 2 rotates at a certain angle, a greater force is required under the action of the counterweight assembly, which in turn requires a larger force to be applied to the roller 3, thereby increasing the contact pressure between the roller 3 and the product.

[0039] The counterweight assembly includes a mounting shaft 13 disposed at the end of the mounting plate 2 away from the roller 3, and a counterweight block 10 is mounted on the mounting shaft 13. The counterweight block 10 can be rotated to approach or move away from the rotation axis of the mounting plate 2 on the mounting shaft 13.

[0040] See Figure 3 and Figure 4 As shown, the counterweight 10 achieves the counterweight effect. In order to change the magnitude of the counterweight force, the counterweight 10 rotates on the mounting shaft 13, thereby moving closer to or away from the rotation axis of the mounting plate 2. According to the lever principle, when the counterweight 10 is close to the rotation axis of the mounting plate 2, the counterweight force decreases, and when the counterweight 10 is away from the rotation axis of the mounting plate 2, the counterweight force increases.

[0041] The mounting shaft 13 can be a threaded rod, and the counterweight 10 has a corresponding threaded hole. The counterweight 10 and the mounting shaft 13 are connected by threads, so the distance between the counterweight 10 and the mounting plate 2 can be changed by rotating the counterweight 10, thereby adjusting the counterweight force.

[0042] The counterweight 10 can be made of weights or iron blocks, etc. In practice, different materials and types can be selected as needed, and there are no restrictions here.

[0043] A spring 11 is installed between the mounting plate 2 and the bracket 8, and the spring 11 is on the same side as the counterweight assembly.

[0044] See Figure 3 and Figure 4 As shown, in order to prevent the product from having a hard collision with the roller 3, a spring 11 is installed on the mounting plate 2 for buffering. When the product collides with the roller 3 and is pressed down, the spring 11 is stretched to achieve buffering. When no product is in contact with the roller 3 and is pressed down, the roller 3 can be restored to its initial position under the tension of the spring 11.

[0045] Spring 11 can be a tension spring, or it can be replaced by other structures. For example, if the working conditions are met, a telescopic rubber band or other components can be used. The specific type of spring to be used is not limited here.

[0046] A tension sensor 12 is provided between the spring 11 and the bracket 8; or, a tension sensor 12 is provided between the spring 11 and the mounting plate 2.

[0047] In order to ensure that the ink on the outer surface of the roller 3 can be transferred to the product by rolling, a certain amount of squeezing contact force is required between the product and the roller 3. Excessive contact force may damage the product, while insufficient contact force may result in an unsatisfactory rolling transfer effect.

[0048] See Figure 3 and Figure 4 As shown, in order to prevent the product from having too much or too little contact with the surface of the roller 3, the pressure can be detected by the tension sensor 12. That is, when the force applied to the roller 3 drives the mounting plate 2 to rotate, the spring 11 will inevitably be stretched. At this time, the tension sensor 12 connected to the spring 11 can detect this, so that the contact force between the roller 3 and the product is kept within a certain range.

[0049] It also includes an adjusting slide 9, on which the scraper 5 is fixedly mounted for movement, and is used to drive the scraper 5 to move in order to adjust the distance between the scraper 5 and the outer surface of the roller 3.

[0050] See Figures 3 to 5 As shown, in order to facilitate adjustment, the scraper 5 is moved closer to or further away from the outer surface of the roller 3 by adjusting the slide table 9, thereby changing the distance between the end of the scraper 5 and the outer surface of the roller 3. Thicker ink will be scraped off by the scraper 5, thereby changing the ink thickness to meet the actual needs.

[0051] Provided that the adjustment accuracy is met, the adjustment slide 9 can be manual or automatic. In practice, the appropriate option can be selected based on actual needs, taking into account cost or accuracy. No limitation is made here.

[0052] The mounting plate 2 is fixedly mounted with a housing 15, and the roller 3 is located in the accommodating space formed by the housing 15 and the mounting plate 2.

[0053] See Figures 3 to 5 As shown, the roller 3 may splash ink from the ink cartridge 6 into the surrounding environment during rotation. To prevent this from happening, the roller 3 is covered by the housing 15 and the mounting plate 2. Of course, in order to meet the requirements of roller transfer printing, the top of the roller 3 is higher than the upper surface of the housing 15.

[0054] Continue reading Figures 3 to 5 To facilitate the installation of the scraper 5 and the adjusting slide 9, a protruding plate (not shown in the figure) can be provided on the side of the housing 15, and the adjusting slide 9 is installed on the protruding plate.

[0055] The ink cartridge 6 is connected to the accommodating space. A detachable structure is provided between the ink cartridge 6 and the housing 15. The detachable structure includes a limiting block 17 fixedly installed on the housing 15. The ink cartridge 6 has a limiting groove 16 adapted to the limiting block 17. It also includes a screw bolt 18 screwed onto the limiting block 17 and extending to the inner wall of the limiting groove 16.

[0056] See Figure 4 and Figure 5As shown, to facilitate cleaning or replacement of the ink cartridge 6, a detachable structure is used to install it onto the housing 15. Specifically, during installation, the limiting block 17 is first fixedly connected to the side of the housing 15. Next, the limiting block 17 slides into the limiting groove 16. At this time, the limiting block 17 can only slide vertically to separate from the limiting groove 16, that is, the limiting block 17 and the limiting groove 16 are engaged and limited. To fix the ink cartridge 6 to the housing 15, the screw bolt 18 is screwed into the threaded hole of the limiting block 17, and the screw bolt 18 abuts against the side wall of the limiting groove 16. Of course, to improve the safety of the connection, a threaded hole can also be opened on the side wall of the limiting groove 16. That is, the screw bolt 18 is screwed into the connection hole formed by the threaded hole on the side wall of the limiting groove 16 and the threaded hole on the limiting block 17, so that the ink cartridge 6 is fixedly connected to the housing 15. When disassembly is required, simply turn the screw bolt 18 in the opposite direction.

[0057] It also includes a positioning camera 14 for positioning the product on the transport assembly 1.

[0058] See Figure 1 , Figure 3 and Figure 4 As shown, the positioning camera 14 can be fixedly mounted on the bracket 8, that is, the positioning camera 14 moves with the bracket 8. The positioning camera 14 positions the position of the product that needs to be coated with ink, so that the position of the product can be coated with ink.

[0059] The working process of this utility model is as follows: First, the two-axis moving module 101, the first rotary drive 102 and the second rotary drive 103 drive the product located on the carrier 104 to move in position, so that the side of the product on the carrier 104 is aligned with the direction of the roller 3. Next, the linear module 7 drives the bracket 8 to move, so that the roller 3 moves to below the product. With the linkage of the two-axis moving module 101, the first rotary drive 102 and the second rotary drive 103 in the conveying assembly 1, the product on the carrier 104 contacts and moves with the outer surface of the roller 3 with ink, thereby realizing roller coating and coating the ink onto the product.

[0060] Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A roller transfer printing device, characterized in that, include A transport component (1) is used to transport and transfer products. Mounting plate (2), which is used for mounting various components; Roller (3), which is rotatably mounted on the mounting plate (2); The third rotary drive (4) is fixedly mounted on the mounting plate (2) and is used to drive the roller (3) to rotate. Scraper (5), the scraper (5) is fixedly installed on the mounting plate (2), and the scraper (5) is located on one side of the roller (3), and a predetermined distance is formed between the scraper (5) and the outer surface of the roller (3); Ink cartridge (6), the ink cartridge (6) is fixedly installed on the mounting plate (2), and the ink cartridge (6) is located below the roller (3); The roller (3) is located in the ink cartridge (6).

2. The roller transfer printing device according to claim 1, characterized in that: The transport assembly (1) includes a two-axis moving module (101). The moving end of the two-axis moving module (101) is fixedly installed with a first rotary drive (102) that rotates vertically. The rotating end of the first rotary drive (102) is fixedly installed with a second rotary drive (103) that can rotate horizontally. The rotating end of the second rotary drive (103) is fixedly installed with a carrier (104).

3. The roller transfer printing device according to claim 1, characterized in that: It also includes a linear module (7), the movable end of which is fixedly mounted with a bracket (8), the mounting plate (2) is rotatably mounted on the bracket (8), and the mounting plate (2) is also provided with a counterweight assembly, the counterweight assembly and the roller (3) being located on both sides of the rotation axis of the mounting plate (2).

4. The roller transfer printing device according to claim 3, characterized in that: The counterweight assembly includes a mounting shaft (13) disposed at the end of the mounting plate (2) away from the roller (3), and a counterweight (10) is mounted on the mounting shaft (13). The counterweight (10) can be screwed to be close to or away from the rotation axis of the mounting plate (2) on the mounting shaft (13).

5. The roller transfer printing device according to claim 3, characterized in that: A spring (11) is installed between the mounting plate (2) and the bracket (8), and the spring (11) is on the same side as the counterweight assembly.

6. The roller transfer printing device according to claim 5, characterized in that: A tension sensor (12) is provided between the spring (11) and the bracket (8); or, a tension sensor (12) is provided between the spring (11) and the mounting plate (2).

7. The roller transfer printing device according to claim 1, characterized in that: It also includes an adjusting slide (9), on which the scraper (5) is fixedly mounted for moving, and is used to drive the scraper (5) to move to adjust the distance between the scraper (5) and the outer surface of the roller (3).

8. The roller transfer printing device according to claim 1, characterized in that: The mounting plate (2) is fixedly mounted with a housing (15), and the roller (3) is located in the accommodating space formed by the housing (15) and the mounting plate (2).

9. A roller transfer printing device according to claim 8, characterized in that: The ink cartridge (6) is connected to the accommodating space. A detachable structure is provided between the ink cartridge (6) and the housing (15). The detachable structure includes a limiting block (17) fixedly installed on the housing (15). The ink cartridge (6) is provided with a limiting groove (16) adapted to the limiting block (17). It also includes a screw bolt (18) screwed onto the limiting block (17) and extending to the inner wall of the limiting groove (16).

10. A roller transfer printing device according to claim 1, characterized in that: It also includes a positioning camera (14) for positioning the product on the transport assembly (1).

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