Screen deformation adjusting device
By designing the screen deformation adjustment device, and using the fixing mechanism and the adjustment mechanism to adjust the screen, the problem of deformation of the screen during the printing process is solved, the service life is extended and the printing accuracy is improved.
Patent Information
- Application Number
- CN202421633287.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-10
- Publication Date
- 2025-04-11
- Estimated Expiration
- 2034-07-10
AI Technical Summary
In the prior art, due to repeated longitudinal stress during printing, the longitudinal tension becomes smaller, and the horizontal and vertical tensions are inconsistent, resulting in deformation, shortening the service life of the screen.
A screen deformation adjustment device is designed, including a stage, a fixing mechanism, an adjustment mechanism and a controller. The screen plate is fixed by a fixing mechanism on the stage, and the screen plate is stressed by an adjustment mechanism and a controller until the graphic accuracy value is within the specified range.
It effectively avoids the problem of offline screens caused by deformation of printing graphics, extends the service life of screens, and improves printing accuracy.
Smart Images
Figure CN222742375U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of solar cell printing equipment, in particular to a screen deformation regulating device. Background Art
[0002] With the continuous development of the solar energy industry, people have higher and higher requirements on the printing accuracy of the appearance of solar cells. As a consumable material in the printing process, screens are widely used in the solar cell printing industry.
[0003] In the existing screen printing process, the force is only repeatedly applied in the longitudinal direction. As the number of printings increases and the action is repeated at the same position, the longitudinal tension of the screen becomes smaller over a long period of time, and the lateral and longitudinal tensions are inconsistent, resulting in deformation of the screen. The printed pattern is deformed and the service life of the screen is significantly reduced after it is offline. Utility Model Content
[0004] (I) The utility model provides a screen deformation adjustment device, which alleviates the technical problem in the prior art that the service life of the screen is significantly reduced due to the deformation of the screen during screen printing.
[0005] (II) Technical solution
[0006] In order to solve the above technical problems, the embodiment of the utility model provides a screen deformation adjustment device, including a stage, a fixing mechanism, an adjustment mechanism and a controller;
[0007] The stage is used to place the screen to be adjusted, and a set of fixing mechanisms are respectively provided on two opposite sides of the stage, and the fixing mechanisms are used to fix the screen, and a set of adjusting mechanisms are respectively provided on the other two opposite sides of the stage, and the adjusting mechanisms are used to adjust the stress of the screen;
[0008] The controller is electrically connected to the adjustment mechanism. After the parameters required for adjustment are input into the controller, the controller drives the adjustment mechanism to adjust the screen.
[0009] Furthermore, each group of the fixing mechanisms includes a fixing plate and a column, at least two columns are provided and installed on the loading platform at intervals, the fixing plate is connected to each column respectively, and the fixing plate can slide along the length direction of the column.
[0010] Furthermore, slideways are provided on the fixed plate, the number of the slideways corresponds to the number of the columns, the columns are located in the slideways, and the columns are slidably connected to the fixed plate via the slideways.
[0011] Furthermore, each group of the adjustment mechanism includes an adjustment plate and an adjustment component, the adjustment plate is mounted on the stage, one end of the adjustment component is slidably connected to the adjustment plate, and the other end of the adjustment component is used to adjust the stress of the screen.
[0012] Furthermore, the adjustment mechanism also includes a power piece, which is installed on the side wall of the adjustment plate away from the adjustment component, and the output end of the power piece is transmission-connected to the adjustment component for driving the adjustment component to move.
[0013] Furthermore, the adjustment component includes a connecting arm and an adjustment member, the connecting arm is transmission-connected to the output end of the power member, one end of the connecting arm can be slidably mounted on the adjustment plate, and the other end is fixedly provided with the adjustment member.
[0014] Furthermore, a slide rail is provided on the adjustment plate, and one end of the connecting arm is arranged in the slide rail and can move along the extension direction of the slide rail.
[0015] Furthermore, the connecting arm includes an arm body and a connecting piece, a sliding block is provided at one end of the arm body, the sliding block is provided on the slide rail, the connecting piece is sleeved on the arm body, the connecting piece is transmission-connected to the power piece, and the power piece drives the connecting piece to move along the length direction of the arm body.
[0016] Furthermore, the connecting member is provided with a fixing hole, and the adjusting member is arranged in the fixing hole.
[0017] Furthermore, the adjusting member is an acrylic dust stick.
[0018] Beneficial effects of the utility model: the utility model provides a screen deformation adjustment device, including a loading platform, a fixing mechanism, an adjustment mechanism and a controller. The screen is removed from the printing machine device, the remaining slurry in the screen is cleared and then placed on the loading platform. The screen is fixed by using the fixing mechanisms on the two corresponding sides of the loading platform. After inputting the required adjustment parameters into the controller, the control personnel operates the controller to control the adjustment component to start the adjustment work, and the stress of the screen is adjusted. The adjustment is repeatedly performed until the screen graphic accuracy value is within the specified range, and the screen is put online for use again, thereby avoiding the problem of significantly reducing the service life of the screen after the printed graphic is deformed and then taken offline. BRIEF DESCRIPTION OF THE DRAWINGS
[0019] In order to more clearly illustrate the specific implementation methods of the utility model or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.
[0020] Figure 1 A schematic diagram of the top view of a screen deformation adjustment device provided in an embodiment of the utility model;
[0021] Figure 2 A schematic diagram of an adjustment mechanism of a screen deformation adjustment device provided in an embodiment of the utility model.
[0022] Icon: 100- stage; 101- screen; 200- fixed plate; 201- column; 300- adjustment plate; 301- connecting arm; 3011- arm body; 3012- connecting piece; 3013- sliding block; 302- adjusting piece; 303- slide rail. DETAILED DESCRIPTION
[0023] The technical solution of the utility model will be clearly and completely described below in conjunction with the embodiments. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0024] In the description of the present invention, it should be noted that the terms "upper" and "lower" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific position, and therefore cannot be understood as limiting the present invention. In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.
[0025] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be a connection between the two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances. In addition, in the description of the present invention, unless otherwise specified, "plurality" means two or more.
[0026] like Figure 1 to Figure 2 As shown, the utility model provides a screen deformation adjustment device, including a stage 100, a fixing mechanism, an adjustment mechanism and a controller; the stage 100 is used to place a screen 101 to be adjusted, and a group of fixing mechanisms are respectively provided on two opposite sides of the stage 100, and the fixing mechanisms are used to fix the screen 101, and a group of adjustment mechanisms are respectively provided on the other two opposite sides of the stage 100, and the adjustment mechanisms are used to adjust the stress of the screen 101; the controller is electrically connected to the adjustment mechanism, and after the required adjustment parameters are input into the controller, the controller drives the adjustment mechanism to adjust the screen 101.
[0027] In this embodiment, the deformation adjustment device of the screen 101 includes a stage 100, a fixing mechanism, an adjustment mechanism and a controller. The screen 101 is removed from the printing machine device, the remaining slurry in the screen 101 is cleared and then placed on the stage 100. The screen 101 is fixed by using the fixing mechanisms on the two corresponding sides of the stage 100. After inputting the required adjustment parameters into the controller, the control personnel operates the controller to control the adjustment component to start the adjustment work, and the stress of the screen 101 is adjusted. The adjustment is repeated until the graphic accuracy value of the screen 101 is within the specified range, and the screen 101 is put online again for use, thereby avoiding the problem that the service life of the screen 101 is significantly reduced after the printed graphic is deformed and taken offline.
[0028] Among them, preferably, the screen 101 to be adjusted is the screen 101 that is found to have abnormal alignment offset between the printed pattern and the SE pattern during normal production monitoring. By measuring the graphic accuracy value of the battery cell, the screen 101 that exceeds the specified range is removed from the printing machine device and the remaining slurry in the screen 101 is cleared. The accuracy range is 208.6060±40um.
[0029] The adjustment parameters input into the controller are the pressing position, pressing depth, extrusion direction, and extrusion frequency. Preferably, the extrusion position is 3-5 cm outside the printed pattern of the screen 101, the pressing depth is 100-200 um, the extrusion direction is parallel to the auxiliary grid and moves up and down, and the extrusion frequency is 20-100 times.
[0030] According to an embodiment provided by the utility model, Figure 1 As shown, each set of fixing mechanisms includes a fixing plate 200 and a column 201 . There are at least two columns 201 installed at intervals on the stage 100 . The fixing plate 200 is connected to each column 201 , respectively, and the fixing plate 200 can slide along the length direction of the column 201 .
[0031] In this embodiment, a group of fixing mechanisms are respectively provided on two opposite sides of the worktable 100, and each group of fixing mechanisms includes a fixing plate 200 and a column 201, wherein preferably, at least two columns 201 are provided and are evenly spaced and installed at corresponding positions of the worktable 100, and the fixing plate 200 is slidably connected to each column 201.
[0032] According to an embodiment provided by the utility model, Figure 1 As shown, slideways are provided on the fixed plate 200 , and the number of the slideways corresponds to the number of the columns 201 . The columns 201 are located in the slideways, and the columns 201 are slidably connected to the fixed plate 200 through the slideways.
[0033] In this embodiment, slideways corresponding to the number of columns 201 are provided on the fixing plate 200, and correspondingly, the columns 201 are arranged in the slideways. Therefore, when fixing the screen 101, the operator only needs to pull up or press down the fixing plate 200 to complete the fixing and loosening of the screen 101, which is very convenient to use.
[0034] Optionally, a flexible portion is provided at the lower edge of the fixing plate 200 close to the screen 101, thereby ensuring that the screen 101 is not damaged during the fixing process.
[0035] According to an embodiment provided by the utility model, Figure 1 and Figure 2 As shown, each set of adjustment mechanisms includes an adjustment plate 300 and an adjustment component. The adjustment plate 300 is mounted on the stage 100 . One end of the adjustment component is slidably connected to the adjustment plate 300 , and the other end of the adjustment component is used to adjust the stress of the screen 101 .
[0036] In this embodiment, a group of adjustment mechanisms are respectively provided on the other two opposite sides of the stage 100 adjacent to the fixing mechanism, and each group of adjustment mechanisms includes an adjustment plate 300 and an adjustment component. The adjustment plate 300 is installed on the stage 100, and one end of the adjustment component is slidably connected to the adjustment plate 300, and the other end adjusts the stress of the screen 101 under the control of the controller, and the slidable connection between the adjustment component and the adjustment plate 300 can facilitate real-time adjustment to the required position for adjustment.
[0037] Preferably, before adjustment, based on the graphic accuracy test results, the edge of the screen 101 with a large stress value is placed below the adjustment component, so that the stress of the screen 101 can be reduced through adjustment, so that it can be put online again.
[0038] According to an embodiment provided by the utility model, Figure 1 and Figure 2As shown, the adjustment mechanism further includes a power piece, which is mounted on the side wall of the adjustment plate 300 away from the adjustment assembly, and the output end of the power piece is transmission-connected with the adjustment assembly for driving the adjustment assembly to move.
[0039] In this embodiment, the adjustment mechanism also includes a power part. Preferably, the power part is installed on the side wall of the adjustment plate 300 away from the adjustment component to facilitate its transmission connection with the adjustment component. The power part is directly electrically connected to the controller. When in use, the operator only needs to control the power part by operating the controller, thereby driving the adjustment component to move, so as to adjust the stress of the screen 101.
[0040] Among them, the power parts include but are not limited to the combined adjustment of the motor and the screw rod, and can also be the transmission methods such as the motor and the transmission belt or the motor and the gear. Its purpose does not deviate from the design concept of the utility model and should belong to the protection scope of the utility model.
[0041] According to an embodiment provided by the utility model, Figure 1 and Figure 2 As shown, the adjustment assembly includes a connecting arm 301 and an adjustment member 302. The connecting arm 301 is transmission-connected to the output end of the power member. One end of the connecting arm 301 is slidably mounted on the adjustment plate 300, and the other end is fixedly provided with the adjustment member 302.
[0042] In this embodiment, the adjustment component includes a connecting arm 301 and an adjustment member 302. The connecting arm 301 is transmission-connected to the output end of the power member, so as to ensure that the operation can directly control the power member to drive the connecting arm 301 to slide on the adjustment plate 300 through the controller, so as to drive the adjustment member 302 placed at the other end of the connecting arm 301 to move, thereby adjusting the stress of the screen 101.
[0043] According to an embodiment provided by the utility model, Figure 1 and Figure 2 As shown, a slide rail 303 is disposed on the adjustment plate 300 , and one end of the connecting arm 301 is disposed in the slide rail 303 and can move along the extension direction of the slide rail 303 .
[0044] In this embodiment, a slide rail 303 is provided on the adjustment plate 300, and the extension direction of the slide rail 303 is consistent with the length direction of the adjustment plate 300. One end of the connecting arm 301 is arranged in the slide rail 303, and can move along the extension direction of the slide rail 303 so as to drive the adjustment member 302 to move with the mechanical arm, thereby ensuring the adjustment effect of the stress of the screen 101.
[0045] According to an embodiment provided by the utility model, Figure 1 and Figure 2As shown, the connecting arm 301 includes an arm body 3011 and a connecting member 3012. A sliding block 3013 is provided at one end of the arm body 3011. The sliding block 3013 is provided on the slide rail 303. The connecting member 3012 is sleeved on the arm body 3011. The connecting member 3012 is transmission-connected to the power member, and the power member drives the connecting member 3012 to move along the length direction of the arm body 3011.
[0046] In this embodiment, the connecting arm 301 includes an arm body 3011 and a connecting member 3012. Preferably, a sliding block 3013 is provided at one end of the arm body 3011. The sliding block 3013 is provided on the slide rail 303, and the sliding block 3013 can slide along the extension direction of the slide rail 303. At the same time, the connecting member 3012 is sleeved on the connecting arm 301, and can move along the length direction of the arm body 3011 under the drive of the power member. Therefore, the adjusting member 302 can be driven by the connecting arm 301 to move up and down and left and right in the direction of travel, and the screen 101 can be squeezed to reduce the stress of the screen 101 through squeezing.
[0047] According to an embodiment provided by the utility model, Figure 1 and Figure 2 As shown, a fixing hole is provided on the connecting member 3012, and the adjusting member 302 is arranged in the fixing hole.
[0048] In this embodiment, a fixing hole is provided on the connecting member 3012 , and one end of the adjusting member 302 is passed through the fixing hole and fixed therein, so that the connecting member 3012 moves along the length direction of the arm body 3011 to drive the adjusting member 302 to move.
[0049] According to an embodiment provided by the utility model, Figure 1 and Figure 2 As shown, the adjusting member 302 is an acrylic dust stick.
[0050] In this embodiment, the adjustment member 302 is selected to be an acrylic sticky stick, which has good transparency, making it easy for the operator to observe the adjustment status. At the same time, the acrylic sticky stick also has good wear resistance and corrosion resistance, which can effectively increase the service life of the deformation adjustment device of the screen 101. Moreover, the acrylic sticky stick is very soft and tough, and can prevent the screen 101 from being damaged during the adjustment process and affecting its use, and has a good protective effect on the electrical properties and appearance of the screen 101.
[0051] Among them, optionally, the adjusting member 302 can also be made of a plastic dust sticking stick, a glass dust sticking stick or other materials, and its purpose does not deviate from the design concept of the utility model and should belong to the protection scope of the utility model.
[0052] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.
Claims
1. A screen deformation adjustment device, characterized in that: It comprises a loading platform (100), a fixing mechanism, an adjusting mechanism and a controller; The stage (100) is used to place a screen (101) to be adjusted, two opposite sides of the stage (100) are respectively provided with a set of fixing mechanisms, the fixing mechanisms are used to fix the screen (101), and the other two opposite sides of the stage (100) are respectively provided with a set of adjustment mechanisms, the adjustment mechanisms are used to adjust the stress of the screen (101); The controller is electrically connected to the adjustment mechanism, and after the parameters required for adjustment are input into the controller, the controller drives the adjustment mechanism to adjust the screen (101).
2. A screen deformation adjustment device according to claim 1, characterized in that: Each group of the fixing mechanisms comprises a fixing plate (200) and a column (201), at least two of the columns (201) are provided and are installed at intervals on the loading platform (100), the fixing plate (200) is respectively connected to each of the columns (201), and the fixing plate (200) can slide along the length direction of the columns (201).
3. A screen deformation adjustment device according to claim 2, characterized in that: The fixed plate (200) is provided with a slideway, the number of which corresponds to the number of the columns (201), the columns (201) are located in the slideway, and the columns (201) are slidably connected to the fixed plate (200) via the slideway.
4. A screen deformation adjustment device according to claim 1, characterized in that: Each group of the adjustment mechanisms comprises an adjustment plate (300) and an adjustment component, wherein the adjustment plate (300) is mounted on the stage (100), one end of the adjustment component is slidably connected to the adjustment plate (300), and the other end of the adjustment component is used to adjust the stress of the screen (101).
5. A screen deformation adjustment device according to claim 4, characterized in that: The adjustment mechanism further comprises a power piece, which is mounted on a side wall of the adjustment plate (300) away from the adjustment component, and an output end of the power piece is transmission-connected with the adjustment component for driving the adjustment component to move.
6. A screen deformation adjustment device according to claim 5, characterized in that: The adjustment component comprises a connecting arm (301) and an adjustment member (302); the connecting arm (301) is drivingly connected to the output end of the power member; one end of the connecting arm (301) is slidably mounted on the adjustment plate (300), and the other end is fixedly provided with the adjustment member (302).
7. A screen deformation adjustment device according to claim 6, characterized in that: The adjustment plate (300) is provided with a slide rail (303), and one end of the connecting arm (301) is arranged in the slide rail (303) and is capable of moving along the extension direction of the slide rail (303).
8. A screen deformation adjustment device according to claim 7, characterized in that: The connecting arm (301) comprises an arm body (3011) and a connecting member (3012); a sliding block (3013) is provided at one end of the arm body (3011); the sliding block (3013) is arranged on the slide rail (303); the connecting member (3012) is sleeved on the arm body (3011); the connecting member (3012) is transmission-connected to the power member; the power member drives the connecting member (3012) to move along the length direction of the arm body (3011).
9. A screen deformation adjustment device according to claim 8, characterized in that: The connecting member (3012) is provided with a fixing hole, and the adjusting member (302) is arranged in the fixing hole.
10. A screen deformation adjustment device according to claim 6, characterized in that: The adjusting member (302) is an acrylic dust stick.