A quick-change device for an intaglio printing transfer roller
The fast-changing roller system addresses the inefficiency of roller replacement by enabling quick and precise attachment and detachment, improving production efficiency and ink thickness control for flexible substrate printing.
Patent Information
- Application Number
- CN202311113311.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2023-08-31
- Publication Date
- 2025-07-15
- Estimated Expiration
- 2043-08-31
AI Technical Summary
In the prior art, the transfer roller replacement process is complicated, resulting in low production efficiency.
A gravure printing transfer roller quick change device is designed. Through the cooperation of the locking screw and the rotating disc, the transfer roller is quickly installed and disassembled, and the rotating disc is driven by the driving component to drive the transfer roller to drive it, combining the ink scraping roller and the ink groove to achieve automatic ink-loading and ink thickness control.
It realizes rapid replacement and accurate printing of transfer rollers, improves production efficiency, adapts to the printing needs of conductive lines of different specifications, has high compatibility and accurate ink control.
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Figure CN116901569B_ABST
Abstract
Description
Technical Field
[0001] This application relates to the technical field of semiconductor material processing. More specifically, it relates to a quick-change device for intaglio printing transfer rollers. Background Art
[0002] The flexible circuit industry is in a stage of small but rapid development. The polymer thick film method is an efficient and low-cost production process. In this process, conductive polymer ink is selectively printed on a cheap flexible substrate, and the representative flexible substrate is PET.
[0003] The printing of conductive polymer ink onto a flexible substrate usually adopts the intaglio printing method. The conductive circuit is engraved on the transfer roller, and conductive polymer ink is brushed on the transfer roller. The transfer roller is driven to rotate by a driver to print the conductive polymer ink onto the flexible substrate. In related technologies, the replacement of the transfer roller requires the disassembly of many components, which is rather troublesome and cannot achieve the quick replacement of the transfer roller to improve production efficiency. Summary of the Invention
[0004] In order to solve the problem that the disassembly and assembly of the transfer roller in related technologies are rather troublesome and the quick replacement of the transfer roller cannot be achieved to improve production efficiency, this application provides a quick-change device for intaglio printing transfer rollers.
[0005] A quick-change device for intaglio printing transfer rollers includes a transfer roller, a locking screw, a bottom plate, a first support frame, a second support frame, and a driving assembly. The first support frame and the second support frame are respectively fixedly installed at both ends of the bottom plate. One end of the transfer roller is provided with a first connecting shaft, and the other end is provided with a second connecting shaft. A rotating disk is rotatably arranged on the first support frame, and a support sleeve is arranged on the second support frame. The transfer roller is located between the rotating disk and the support sleeve. The first connecting shaft and the rotating disk are locked and fixed by being threadedly connected with the locking screw. The second connecting shaft passes through the support sleeve to obtain support, and the driving assembly drives the rotating disk to rotate.
[0006] Preferably, on one side of the rotating disk, a rotation wheel group and a fixing block that are symmetric left and right are rotatably arranged. Each rotation wheel group includes two rotation wheels that are symmetric up and down and a locking seat that is rotatably connected to one of the rotation wheels. The locking seat is welded to the rotating disk. A pressing bolt is threadedly connected to the locking seat, and the pressing bolt presses the rotation wheel to fix the rotation wheel to the locking seat. The fixing block is provided with a threaded hole that is threadedly connected with the locking screw, and long strip-shaped blocks are arranged on both sides of the fixing block. The two rotation wheels respectively press the opposite side surfaces of the blocks.
[0007] Preferably, the second support frame includes a fixed seat, a movable seat, two micrometer screw rod measuring kits, and a fixing bolt. The fixed seat is fixedly installed on the bottom plate, and a limiting groove is recessed at the top. A limiting block is provided at the bottom of the movable seat. The bottom of the movable seat abuts against the top of the fixed seat, and the limiting block is embedded in the limiting groove. A connecting plate is further provided at the top of the fixed seat. The movable seat is provided with a runway hole for the fixing bolt to pass through. The connecting plate and the movable seat are fixed by the fixing bolt. The two micrometer screw rod measuring kits are respectively fixed on the left and right sides of the fixed seat to push the movable seat and measure the displacement of the movable seat. The support sleeve is arranged on the movable seat.
[0008] Preferably, an ink tank is further included. The ink tank is located below the transfer roller to provide ink for the transfer roller. A plurality of support feet are provided at the bottom of the ink tank, and all the support feet are fixedly connected to the bottom plate.
[0009] Preferably, a scraping roller and two third support frames are further included. The two third support frames are respectively fixedly installed at both ends of the bottom plate. The scraping roller is located on one side of the transfer roller and is parallel to the transfer roller, and both ends thereof are respectively rotatably connected to the two third support frames.
[0010] Preferably, each of the third support frames includes a first sliding seat, a first slider, a second sliding seat, a second slider, a connecting rod, a first adjusting screw rod, and a second adjusting screw rod. The first sliding seat is fixedly installed on the bottom plate. A first sliding rail parallel to the width direction of the bottom plate is provided at the top of the first sliding seat. The first slider is slidably connected to the first sliding rail. The second sliding seat is fixed on the top of the first slider. A vertical second sliding rail is provided on one side of the second sliding seat. The second slider is slidably connected to the second sliding rail. The connecting rod is fixedly connected to the second slider. The end of the scraping roller is rotatably connected to the connecting rod. The first slider adjusts the moving distance through the first adjusting screw rod and is locked with the first sliding seat. The second slider adjusts the moving distance through the second adjusting screw rod and is locked with the second sliding seat.
[0011] Preferably, the third support frame further includes a digital display pressure sensor and a support rod. The support rod is located on the side of the second slider away from the second sliding rail and is vertically fixed on the first sliding seat. The digital display pressure sensor is fixed on the support rod and the probe presses against the second slider.
[0012] In summary, the present application includes at least one of the following beneficial technical effects:
[0013] 1. The transfer roller can be removed by twisting the locking screw out of the first connecting shaft and the rotating disk. During installation, first insert the second connecting shaft into the support sleeve, and then screw and lock the locking screw with the rotating disk and the first connecting shaft to complete the installation. This is relatively simple and convenient, without the need to disassemble a large number of parts, with high replacement efficiency, which is beneficial to improving production efficiency. The driving component drives the rotating disk to rotate, driving the locking screw to rotate, causing the transfer roller to rotate and printing the conductive polymer ink on the flexible substrate.
[0014] 2. Twist the pressing bolt to release the pressing on the rotating wheel and loosen the fixing screw. Push the movable seat through the first adjusting screw rod or the second adjusting screw rod so that the transfer roller can be finely adjusted left and right. After fine adjustment, lock the rotating wheel and tighten the fixing screw to make the transfer roller print the conductive polymer ink on the flexible substrate more accurately.
[0015] 3. The rotation of the transfer roller draws the ink in the ink tank to the outer wall to achieve automatic inking. The doctor blade is used to scrape off the ink on the transfer roller to control the thickness of the ink. Adjust the moving distance of the first slider through the first adjusting screw rod and adjust the moving distance of the second slider through the second adjusting screw rod, which is convenient for adjusting the distance between the transfer roller and the doctor blade to control the ink on the outer wall of the transfer roller to different thicknesses, adapting to printing different specifications of conductive circuits on the flexible substrate, with high compatibility. The distance is judged by the digital display pressure sensor. Description of the Drawings
[0016] Figure 1 It is a schematic diagram of the overall structure of an intaglio printing transfer roller quick-change device according to this embodiment.
[0017] Figure 2 It is a schematic diagram of the structure of the rotating disk according to this embodiment.
[0018] Figure 3 It is a schematic diagram of the structure of the second support frame according to this embodiment.
[0019] Figure 4 It is a schematic diagram of the structure of the locking screw according to this embodiment.
[0020] Figure 5 It is a schematic diagram of the structure of the transfer roller according to this embodiment.
[0021] Figure 6 It is a schematic diagram of the structure of the third support frame according to this embodiment.
[0022] Reference numerals: 1, transfer roller; 11, first connecting shaft; 111, frustum-shaped groove body; 112, threaded groove; 12, second connecting shaft; 2, locking screw; 21, hexagonal block; 3, bottom plate; 4, first support frame; 41, support column; 411, convex edge; 4111, second opening; 42, mounting seat; 421, rotating disk; 4211, first opening; 4212, rotating wheel set; 42121, rotating wheel; 42122, locking seat; 42123, pressing bolt; 4213, fixing block; 42131, threaded hole; 42132, square block; 5, second support frame; 51, fixing seat; 511, limiting groove; 52, movable seat; 521, limiting block; 522, runway hole; 523, support sleeve; 53, micrometer screw rod measuring kit; 6, driving assembly; 7, ink tank; 71, support leg; 8, ink scraping roller; 9, third support frame; 91, first sliding seat; 911, first slide rail; 912, first connecting block; 913, first rotating sleeve; 92, first slider; 921, first nut; 93, second sliding seat; 931, second slide rail; 932, second connecting block; 933, second rotating sleeve; 94, second slider; 941, second nut; 95, connecting rod; 96, first adjusting screw rod; 97, second adjusting screw rod; 98, digital display pressure sensor; 99, support rod. Detailed implementation manners
[0023] Next, the technical solutions in the embodiments of the present application will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present application.
[0024] Refer to Figure 1 、 Figure 2, An intaglio printing transfer roller quick-change device, comprising a transfer roller 1, a locking screw 2, a bottom plate 3, a first support frame 4, a second support frame 5, and a drive assembly 6. The first support frame 4 and the second support frame 5 are respectively fixedly installed at both ends of the bottom plate 3. The first support frame 4 includes a support column 41 and a mounting seat 42. The support column 41 is erected and installed on the bottom plate 3, and the mounting seat 42 is fixed on a convex edge 411 protruding from the top of the support column 41 towards the back side. A rotating disk 421 is rotatably arranged on the mounting seat 42. A first opening 4211 for the locking screw 2 to pass through is provided in the middle of the rotating disk 421. A second opening 4111 for the locking screw 2 to pass through is provided on the support column 41. The drive assembly 6 is a motor, which is fixedly installed on the mounting seat 42 to drive the rotating disk 421 to rotate. A rotation wheel group 4212 symmetrically arranged left and right is provided on the outer side surface of the rotating disk 421, and a fixing block 4213 movably installed on the rotation wheel group 4212. Each rotation wheel group 4212 includes two rotation wheels 42121 symmetrically arranged up and down and a locking seat 42122 rotatably connected to one rotation wheel 42121. The locking seat 42122 is welded to the rotating disk 421. A pressing bolt 42123 is threadedly connected to the locking seat 42122, and the pressing bolt 42123 presses the rotation wheel 42121 to fix the rotation wheel 42121 and the locking seat 42122. A threaded hole 42131 threadedly connected to the locking screw 2 is provided in the fixing block 4213. Long strip-shaped blocks 42132 are provided on the opposite sides of the fixing block 4213. The two rotation wheels 42121 respectively press the opposite side surfaces of the block 42132 to clamp the block 42132 to play a supporting and fixing role and release the locking of the pressing bolt 42123 on the rotation wheel 42121 to facilitate the left and right movement of the fixing block 4213.
[0025] Refer to Figure 3 , The second support frame 5 includes a fixed seat 51, a movable seat 52, two micrometer screw rod measuring kits 53, and fixing bolts. The fixed seat 51 is fixedly installed on the bottom plate 3 and a limiting groove 511 is recessed at the top. A limiting block 521 is provided at the bottom of the movable seat 52. The bottom of the movable seat 52 abuts against the top of the fixed seat 51. The limiting block 521 is embedded in the limiting groove 511 to limit the random movement of the movable seat 52. A runway hole 522 for the fixing bolt to pass through is provided in the movable seat 52. The fixing bolt passes through the runway hole 522 and abuts against the movable seat 52 and is threadedly connected to the connecting plate to fix the movable seat 52 and the connecting plate. The two micrometer screw rod measuring kits 53 are respectively fixed on the left and right sides of the fixed seat 51 to push the movable seat 52 and measure the displacement of the movable seat 52. A support sleeve 523 is provided on the movable seat 52, and the support sleeve 523 is aligned with the threaded hole 42131.
[0026] Refer to Figure 1 , Figure 4 and Figure 5, the locking screw 2 is composed of three coaxial screws with gradually decreasing sizes, and a hexagonal block 21 is provided at the end of the largest screw for facilitating the use of tools to twist the locking screw 2. One end of the transfer roller 1 is provided with a first connecting shaft 11 and the other end is provided with a second connecting shaft 12. A frustum-shaped groove body 111 is recessed at the end of the first connecting shaft 11, and a threaded groove 112 for the locking screw 2 to penetrate is provided at the bottom of the frustum-shaped groove body 111. When installing the transfer roller 1, the second connecting shaft 12 is penetrated into the supporting sleeve 523 that matches it, and the locking screw 2 is penetrated into the first opening 4211. The largest section of the locking screw 2 is threadedly connected to the threaded hole 42131 on the fixed block 4213. The middle section of the locking screw 2 is penetrated into the second opening 4111 to obtain support. The smallest end of the locking screw 2 is penetrated into the threaded groove 112 and threadedly connected to the first connecting shaft 11, realizing the fixation of the transfer roller 1 and the rotating disc 421. The motor drives the rotating disc 421 to rotate, driving the transfer roller 1 to rotate for printing circuits. Further, the fixed block 4213 can be moved left and right by unlocking the locking of the rotating wheel 42121 through the locking bolt. Two micrometer screw measuring kits 53 push the movable seat 52 at the left and right sides of the movable seat 52 and measure the displacement distance of the movable seat 52, enabling the transfer roller 1 to be finely adjusted left and right to achieve more accurate printing circuits of the transfer roller 1.
[0027] Refer to Figure 1 , further, an intaglio printing transfer roller quick-change device further includes an ink tank 7, a doctor blade roller 8 and two third support frames 9. The ink tank 7 is located below the transfer roller 1 to provide ink for the transfer roller 1. A plurality of feet 71 are provided at the bottom of the ink tank 7, and the plurality of feet 71 are fixedly connected to the bottom plate 3 to support the ink tank 7. The doctor blade roller 8 is located on one side of the transfer roller 1 and is parallel to the transfer roller 1 for scraping off the ink on the transfer roller 1 to control the thickness of the ink on the outer wall of the transfer roller 1. The two third support frames 9 are respectively fixedly installed at both ends of the bottom plate 3. One end of the doctor blade roller 8 is rotatably connected to one third support frame 9, and the other end of the doctor blade roller 8 is rotatably connected to the other third support frame 9.
[0028] Refer to Figure 6, each third support bracket 9 includes a first sliding seat 91, a first slider 92, a second sliding seat 93, a second slider 94, a connecting rod 95, a first adjusting screw rod 96, a second adjusting screw rod 97, a digital display pressure sensor 98, and a support rod 99. The first sliding seat 91 is fixedly installed on the bottom plate 3. A first slide rail 911 parallel to the width direction of the bottom plate 3 is provided at the top of the first sliding seat 91. The first slider 92 is slidably connected to the first slide rail 911. The first sliding seat 91 is provided with a first connecting block 912. The first sliding block is provided with a first nut 921. The first nut 921 is sleeved on the first adjusting screw rod 96. A first rotating sleeve 913 is rotatably provided on the first connecting block 912. The first adjusting screw rod 96 is sleeved in the first rotating sleeve 913 to realize the locking of the first slider 92 and the first sliding seat 91. Rotating the first rotating sleeve 913 causes the first adjusting screw rod 96 to rotate and drive the first slider 92 to move along the length direction of the first slide rail 911. The second sliding seat 93 is fixed to the top of the first slider 92. A vertical second slide rail 931 is provided on one side of the second sliding seat 93. The second slider 94 is slidably connected to the second slide rail 931. The connecting rod 95 is fixedly connected to the second slider 94. The end of the ink scraping roller 8 is rotatably connected to the connecting rod 95. The second sliding seat 93 is provided with a second connecting block 932. The second slider 94 is provided with a second nut 941. The second nut 941 is sleeved on the second adjusting screw rod 97 to realize the locking of the second slider 94 and the second sliding seat 93. A second rotating sleeve 933 is rotatably provided on the second connecting block 932. The second adjusting screw rod 97 is sleeved in the second rotating sleeve 933. Rotating the second rotating sleeve 933 causes the second adjusting screw rod 97 to rotate and drive the second slider 94 to move along the length direction of the second slide rail 931. The support rod 99 is located on the side of the second slider 94 away from the second slide rail 931 and is vertically fixed on the second sliding seat 93. The digital display pressure sensor 98 is fixed on the support rod 99 and the probe presses against the second slider 94. Through the adjustment of the first adjusting screw rod 96 and the second adjusting screw rod 97, the ink scraping roller 8 can move up and down and left and right, so as to adjust the distance between the ink scraping roller 8 and the transfer roller 1 and control the ink on the outer wall of the transfer roller 1 to different thicknesses.
[0029] Although the embodiments of the present application have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principle and spirit of the present application. The scope of the present application is defined by the appended claims and their equivalents.
Claims
1. A quick-change device for an intaglio printing transfer roller, characterized in that: It includes a transfer roller, a locking screw, a bottom plate, a first support frame, a second support frame, and a drive assembly. The first support frame and the second support frame are respectively fixedly installed at both ends of the bottom plate. One end of the transfer roller is provided with a first connecting shaft, and the other end is provided with a second connecting shaft. A rotating disc is rotatably arranged on the first support frame, and a support sleeve is arranged on the second support frame. The transfer roller is located between the rotating disc and the support sleeve. The first connecting shaft and the rotating disc are locked and fixed by being threadedly connected to the locking screw. The locking screw is composed of three coaxial screws with gradually decreasing sizes. The second connecting shaft passes through the support sleeve to obtain support. The drive assembly drives the rotating disc to rotate; The second support frame includes a fixed seat, a movable seat, two micrometer screw rod measurement kits, and a fixing bolt. The fixed seat is fixedly installed on the bottom plate, and a limiting groove is concavely provided at the top. The bottom of the movable seat is provided with a limiting block. The bottom of the movable seat abuts against the top of the fixed seat, and the limiting block is embedded in the limiting groove. A connecting plate is further provided at the top of the fixed seat. The movable seat is provided with a runway hole for the fixing bolt to pass through. The connecting plate and the movable seat are fixed by the fixing bolt. The two micrometer screw rod measurement kits are respectively fixed on the left and right sides of the fixed seat to push the movable seat and measure the displacement of the movable seat. The support sleeve is arranged on the movable seat; On one side of the rotating disc, a rotation wheel group and a fixing block that are symmetric about the left and right are rotatably arranged. Each rotation wheel group includes two rotation wheels that are symmetric about the up and down and a locking seat that is rotatably connected to one of the rotation wheels. The locking seat is welded to the rotating disc. A pressing bolt is threadedly connected to the locking seat. The pressing bolt presses the rotation wheel to fix the rotation wheel to the locking seat. The fixing block is provided with a threaded hole that is threadedly connected to the locking screw, and long strip-shaped blocks are arranged on both sides of the fixing block. The two rotation wheels respectively press the opposite side surfaces of the blocks; It further includes an ink tank. The ink tank is located below the transfer roller to provide ink for the transfer roller. Several supporting feet are arranged at the bottom of the ink tank, and all the supporting feet are fixedly connected to the bottom plate.
2. The quick-change device for an intaglio printing transfer roller according to claim 1, wherein: It further includes a scraping roller and two third support frames. The two third support frames are respectively fixedly installed at both ends of the bottom plate. The scraping roller is located on one side of the transfer roller and is parallel to the transfer roller, and both ends of the scraping roller are respectively rotatably connected to the two third support frames.
3. The quick-change device for an intaglio printing transfer roller according to claim 2, wherein: Each of the third support frames includes a first sliding seat, a first slider, a second sliding seat, a second slider, a connecting rod, a first adjusting screw rod, and a second adjusting screw rod. The first sliding seat is fixedly installed on the bottom plate. A first sliding rail parallel to the width direction of the bottom plate is provided at the top of the first sliding seat. The first slider is slidably connected to the first sliding rail. The second sliding seat is fixed on the top of the first slider. A vertical second sliding rail is provided on one side of the second sliding seat. The second slider is slidably connected to the second sliding rail. The connecting rod is fixedly connected to the second slider. The end of the ink scraping roller is rotatably connected to the connecting rod. The first slider adjusts the moving distance through the first adjusting screw rod and is locked with the first sliding seat. The second slider adjusts the moving distance through the second adjusting screw rod and is locked with the second sliding seat.
4. The quick-change device for an intaglio printing transfer roller according to claim 3, characterized in that: The third support frame further includes a digital display pressure sensor and a support rod. The support rod is located on the side of the second slider away from the second sliding rail and is vertically fixed on the first sliding seat. The digital display pressure sensor is fixed on the support rod and the probe presses against the second slider.
Citation Information
Patent Citations
Clamping device for roller of intaglio printing press
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