Multicolor silk-screen printing platemaking positioning device

Abstract

The invention relates to the field of silk screen frame positioning equipment, and discloses a multicolor silk screen printing platemaking positioning device which comprises a workbench, supports are fixedly connected to the top of the workbench, a top frame is fixedly connected to the tops of the four supports, and a sliding position adjusting mechanism is arranged in the top frame; the sliding position adjusting mechanism comprises two first guide rails, a second guide rail and a supporting frame, the two first guide rails are fixedly connected to the front side and the rear side of the interior of the top frame, and first sliding blocks are arranged on the bottom walls of the two first guide rails. By means of the laser positioning device at the top and the arranged sliding position adjusting mechanism, the problems that printing plates cannot be accurately aligned in the multi-color overprinting or overprinting process in silk-screen printing, the debugging time of equipment can be prolonged, and the production efficiency is reduced can be solved, a second sliding block is arranged at the bottom of a second guide rail, and the production efficiency is improved. Therefore, the debugging time is effectively shortened, the installation and debugging efficiency of the equipment is improved, the operation is more flexible and convenient, and the operation difficulty is reduced.

Description

Technical Field

[0001] The invention relates to the field of screen frame positioning equipment, and in particular to a multi-color screen printing plate-making positioning device. Background Art

[0002] Screen printing plate making refers to the process of making the printing plate used for screen printing. It is the key link of screen printing and directly affects the quality and effect of printing. The basic materials of screen printing plates are nylon screen, polyester screen and stainless steel screen. Screens of different materials vary in strength, wear resistance, chemical resistance and mesh accuracy, and can be selected according to printing needs.

[0003] During the printing process, printing of different colors requires precise positioning to ensure accurate superposition of patterns and colors. Once there is a slight deviation in the positioning during the initial installation or setting, it is difficult to make fine adjustments. It is necessary to change the positioning position through cumbersome methods such as disassembly and reinstallation, which leads to the inability to accurately align the printing plates during multi-color overprinting or overprinting in screen printing, and also prolongs the debugging time of the equipment and reduces production efficiency. When printing, the screen needs to maintain a specific angle during the printing process to achieve accurate overprinting of multi-color patterns. Operators may need to spend a lot of time manually aligning and fixing the screen before each printing, and they must always pay attention to whether the screen is displaced during the printing process. As a result, once the offset is found, the printing must be suspended for adjustment, which greatly reduces production efficiency, reduces its clarity and readability, and greatly reduces the quality of the printed product. Summary of the invention

[0004] The main purpose of the present invention is to provide a multi-color screen printing plate positioning device, which can effectively solve the problems that the colors cannot be accurately aligned in subsequent printing, resulting in pattern misalignment and ghosting, and also prolonging the debugging time of the equipment and reducing production efficiency.

[0005] To achieve the above object, the present invention provides the following technical solution: a multi-color screen printing platemaking positioning device, comprising a workbench, the top of each of the workbench is fixedly connected to a bracket, the tops of four of the brackets are fixedly connected to a top frame, and a sliding position adjustment mechanism is arranged inside the top frame;

[0006] The sliding position adjustment mechanism includes: two first guide rails, a second guide rail and a support frame, the two first guide rails are fixedly connected to the front and rear sides of the interior of the top frame, the bottom walls of the two first guide rails are provided with first sliders, the upper side walls of the two first sliders are fixedly connected to first pulleys, every four first pulleys are slidably connected to the front and rear side hole grooves of the bottom of the two first guide rails, the bottoms of the two first sliders are fixedly connected to coupling blocks, the bottoms of the two coupling blocks are fixedly connected to the front and rear sides of the upper side walls of the second guide rails, and the front and rear side walls of the second guide rail are fixedly connected to limiting plates.

[0007] Furthermore, a second slider is provided at the bottom of the second guide rail, the bottom of the support frame is fixedly connected to the top of the second slider, the interior of the support frame is provided on the outside of the second guide rail, and the upper side walls of the second slider are fixedly connected to second pulleys.

[0008] Furthermore, the four second pulleys are all slidably connected to the hole grooves on the left and right sides of the bottom of the second guide rail, the bottom of the second slider is threadedly connected to a connecting plate, and the bottom of the connecting plate is fixedly connected to a laser locator.

[0009] Furthermore, a placement plate is fixedly connected to the interior of the workbench, a first slide groove is opened on both the front and rear sides of the interior of the placement plate, a second slide groove is opened on both the front and rear sides of the interior of the placement plate, the two second slide grooves are arranged on the rear sides of the two first slide grooves, and a control panel is fixedly connected to the right side wall of the workbench.

[0010] Furthermore, motors are provided on both the front and rear sides of the inner bottom wall of the workbench, the output ends of the two motors are fixedly connected to rotating rods, the top outer sides of the two rotating rods are fixedly connected to gears, and the front sides of the two gears are provided with first racks.

[0011] Furthermore, a second rack is provided on the rear side of the two gears, a first connecting block is fixedly connected to the left side of the two first racks, a first fastening block is fixedly connected to the top of the two first connecting blocks, a first clamping block is fixedly connected to the top of the two first fastening blocks, and the outer sides of the two first fastening blocks are slidably connected to the inside of the two first slide grooves.

[0012] Furthermore, the right sides of the two second racks are fixedly connected with second connecting blocks, the tops of the two second connecting blocks are fixedly connected with second fastening blocks, and the tops of the two second fastening blocks are fixedly connected with second clamping blocks.

[0013] Furthermore, the top outer sides of the two second clamping blocks are slidably connected to the insides of the two second slideway grooves, and the second clamping blocks are arranged corresponding to the first clamping blocks.

[0014] Compared with the prior art, the present invention has the following beneficial effects:

[0015] 1. The present invention can solve the problem that the printing plates cannot be accurately aligned during multi-color overprinting or superimposition in screen printing, which will also prolong the debugging time of the equipment and reduce production efficiency through the laser locator at the top and the sliding position adjustment mechanism. The second slider is provided at the bottom of the second guide rail, and the second pulley on the second slider is slidably connected with the hole grooves on the left and right sides of the bottom of the second guide rail, so that the second slider can slide in the front and back directions on the second guide rail, so that the second slider at the bottom can slide stably on the bottom wall of the second guide rail. The bottom of the support frame is fixed on the top of the second slider, and its interior is sleeved on the outside of the second guide rail. The support frame plays a certain supporting and guiding role on the second slider, and enables the staff to change the required adjustment position by pushing, thereby effectively shortening the debugging time, improving the installation and debugging efficiency of the equipment, and making the operation more flexible and convenient, reducing the difficulty of operation.

[0016] 2. The motor, gear, second rack, first fastening block, second connecting block, second clamping block and second slide groove can solve the problem that once the deviation is found, the printing must be suspended for adjustment, which greatly reduces the production efficiency, reduces its clarity and readability, and greatly reduces the quality of the printed matter. After the motor is started, its output end will drive the rotating rod to rotate. The gear fixedly connected to the outer side of the top of each rotating rod will rotate with the rotating rod. The first rack is set on the front side of the gear and the second rack is set on the back side. When the gear rotates, due to the meshing principle of the gear and the rack, it will drive the first rack and the second rack to perform linear motion. The first rack and the second rack will move in opposite directions on both sides of the gear, respectively, thereby driving the components connected thereto to perform corresponding actions, thereby effectively improving the overall quality stability of the product, reducing the scrap rate, and improving the accuracy and efficiency of detection.

[0017] The parts not involved in the device are the same as those in the prior art or can be implemented by using the prior art. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 A three-dimensional structural diagram of a multi-color screen printing plate-making positioning device proposed by the present invention;

[0019] Figure 2 This is a structural diagram of a bracket of a multi-color screen printing plate-making positioning device proposed by the present invention;

[0020] Figure 3 This is a structural diagram of a sliding position adjustment mechanism of a multi-color screen printing plate-making positioning device proposed by the present invention;

[0021] Figure 4This is a structural diagram of a limit plate of a multi-color screen printing plate-making positioning device proposed by the present invention;

[0022] Figure 5 This is a structural diagram of a joint block of a multi-color screen printing plate-making positioning device proposed by the present invention;

[0023] Figure 6 This is a structural diagram of the first pulley of a multi-color screen printing plate-making positioning device proposed by the present invention;

[0024] Figure 7 A schematic diagram of a support frame of a multi-color screen printing plate-making positioning device proposed by the present invention;

[0025] Figure 8 This is a structural diagram of a connecting plate of a multi-color screen printing plate-making positioning device proposed by the present invention;

[0026] Fig. 9 This is a cross-sectional structural diagram of the interior of a workbench of a multi-color screen printing plate-making positioning device proposed by the present invention;

[0027] Fig.10 This is a structural diagram of a rotating rod of a multi-color screen printing plate-making positioning device proposed by the present invention;

[0028] Fig.11 This is a structural diagram of the first fastening block of a multi-color screen printing platemaking positioning device proposed by the present invention.

[0029] Legend:

[0030] 1. Workbench; 2. Bracket; 3. Top frame; 4. Sliding position adjustment mechanism; 401. First guide rail; 402. First slider; 403. First pulley; 404. Engagement block; 405. Second guide rail; 406. Limiting plate; 407. Second slider; 408. Support frame; 409. Second pulley; 410. Connecting plate; 5. Laser locator; 6. Placement plate; 7. First slideway groove; 8. Control panel; 9. Motor; 10. Rotating rod; 11. Gear; 12. First rack; 13. Second rack; 14. First connecting block; 15. First fastening block; 16. First clamping block; 17. Second connecting block; 18. Second fastening block; 19. Second clamping block; 20. Second slideway groove. DETAILED DESCRIPTION

[0031] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further explained below in conjunction with specific implementation methods.

[0032] like Figure 1 - Figure 7As shown: a multi-color screen printing platemaking positioning device, including a workbench 1, the top of the workbench 1 is fixedly connected with a bracket 2, the top of the four brackets 2 are fixedly connected with a top frame 3, and the interior of the top frame 3 is provided with a sliding position adjustment mechanism 4; the top frame 3 is supported at the bottom by the bracket 2 on the top of the workbench 1, so that the top frame 3 can stably support and fix the sliding position adjustment mechanism 4.

[0033] The sliding position adjustment mechanism 4 includes: two first guide rails 401, a second guide rail 405 and a support frame 408. The two first guide rails 401 are fixedly connected to the front and rear sides of the top frame 3. The bottom walls of the two first guide rails 401 are provided with first sliders 402. The upper side walls of the two first sliders 402 are fixedly connected with first pulleys 403. By fixing the first guide rails 401 to the front and rear sides of the top frame 3, the first slider 402 slides inside the front and rear two hole grooves at the bottom of the first guide rail 401 through the first pulley 403 on the top, so as to drive the first slider 402 to slide left and right, thereby supporting the first slider 402, so that the stability of the first slider 402 can be improved when sliding.

[0034] Each of the four first pulleys 403 is slidably connected to the hole grooves on the front and rear sides of the bottom of the two first guide rails 401. The bottoms of the two first sliders 402 are fixedly connected with the engaging blocks 404. The bottoms of the two engaging blocks 404 are fixedly connected to the front and rear sides of the upper side wall of the second guide rail 405. The engaging blocks 404 at the bottom of the two first sliders 402 are connected to the second guide rail 405 and drive the second guide rail 405 to slide left and right. The front and rear side walls of the second guide rail 405 are fixedly connected to the limiting plates 406. The limiting plates 406 are set to limit the sliding second pulley 409 inside the second guide rail 405 to prevent excessive sliding, which may cause the second pulley 409 to fall off.

[0035] like Figure 1 - Figure 8 As shown, a second slider 407 is provided at the bottom of the second guide rail 405, and the bottom of the support frame 408 is fixedly connected to the top of the second slider 407. The interior of the support frame 408 is arranged on the outside of the second guide rail 405. The second pulley 409 on the second slider 407 is slidably connected with the hole grooves on the left and right sides of the bottom of the second guide rail 405, so that the second slider 407 can slide in the front and back directions on the second guide rail 405, so that the second slider 407 at the bottom can slide stably on the bottom wall of the second guide rail 405. The bottom of the support frame 408 is fixed to the top of the second slider 407, and the interior thereof is sleeved on the outside of the second guide rail 405. The support frame 408 plays a certain supporting and guiding role on the second slider 407, and enables the staff to change the required adjustment position by pushing the support frame 408.

[0036] The upper side walls of the second slider 407 are fixedly connected with second pulleys 409, and the four second pulleys 409 are slidably connected to the left and right side hole grooves at the bottom of the second guide rail 405. The second pulleys 409 at the top of the second slider 407 slide in the left and right hole grooves at the bottom of the second guide rail 405 to provide the second slider 407 with a stable sliding and support effect. The bottom of the second slider 407 is threadedly connected with a connecting plate 410, and the bottom of the connecting plate 410 is fixedly connected with a laser locator 5. The connecting plate 410 is fixed to the bottom of the second slider 407 by bolts. When the support frame 408 is pushed to drive the second slider 407 to slide left and right on the second guide rail 405, the laser locator 5 will be driven to move synchronously in the front and rear directions through the connecting plate 410 to change the position of the laser locator 5 for adjustment.

[0037] like Figure 1 - Figure 2 As shown, a placement plate 6 is fixedly connected to the inside of the workbench 1, and first slide grooves 7 are opened on the front and rear sides of the inside of the placement plate 6, and second slide grooves 20 are opened on the front and rear sides of the inside of the placement plate 6. The two second slide grooves 20 are arranged on the rear sides of the two first slide grooves 7, and the internal device is slid in an area through the first slide grooves 7 and the second slide grooves 20 opened on the placement plate 6.

[0038] The right side wall of the workbench 1 is fixedly connected with a control panel 8, and the entire device is controlled by the control panel 8. Motors 9 are arranged on both the front and rear sides of the inner bottom wall of the workbench 1, and the output ends of the two motors 9 are fixedly connected with rotating rods 10, and the top outer sides of the two rotating rods 10 are fixedly connected with gears 11, and the front sides of the two gears 11 are arranged with first racks 12. The motor 9 is arranged inside the workbench 1 to protect the outside of the motor 9. When the motor 9 is started, the rotating rod 10 on the output end of the motor 9 will drive the gear 11 to rotate. By arranging the first rack 12 and the second rack 13 on the front and rear sides of the motor 9, when the motor 9 is started, the motor 9 will mesh with the first rack 12 and the second rack 13 to drive the first rack 12 and the second rack 13 to move in opposite directions on both sides of the gear 11, thereby driving the components connected thereto to perform corresponding actions.

[0039] like Figure 1 - Fig.11As shown, the rear sides of the two gears 11 are both provided with second racks 13, the left sides of the two first racks 12 are both fixedly connected with first connecting blocks 14, the tops of the two first connecting blocks 14 are both fixedly connected with first fastening blocks 15, the tops of the two first fastening blocks 15 are fixedly connected with first clamping blocks 16, the left sides of the first racks 12 are fixedly connected with the first connecting blocks 14, and the first fastening blocks 15 and the first clamping blocks 16 at the tops of the first connecting blocks 14 move together. The first fastening blocks 15 slide in the first slideway groove 7, ensuring that the first fastening blocks 15 and the components above them can only move along the direction of the first slideway groove 7.

[0040] The outer sides of the two first fastening blocks 15 are slidably connected to the inside of the two first slide grooves 7, the right sides of the two second racks 13 are fixedly connected with second connecting blocks 17, the tops of the two second connecting blocks 17 are fixedly connected with second fastening blocks 18, the tops of the two second fastening blocks 18 are fixedly connected with second clamping blocks 19, the outer sides of the tops of the two second clamping blocks 19 are slidably connected to the inside of the two second slide grooves 20, the second fastening blocks 18 and the second clamping blocks 19 are driven to move by the second connecting blocks 17 on the right side of the second rack 13, the second fastening blocks 18 slide in the second slide groove 20, and the second clamping blocks 19 move along the direction of the second slide groove 20. The second clamping block 19 is arranged corresponding to the first clamping block 16, and is arranged at the rear side of the first slide groove 7 through the second slide groove 20. Their movement directions are different, so that the device can realize motion control at different front and rear positions, and the first clamping block 16 and the second clamping block 19 are arranged correspondingly, so that the first clamping block 16 and the second clamping block 19 can be a horizontal line to clamp the wire mesh frame.

[0041] As shown in the upper part, after the silk screen frame is placed on the placement plate 6 and clamped by the first clamp block 16 and the second clamp block 19, the position of the laser locator 5 is adjusted to the top of the silk screen frame and then turned on. After turning on, the positioning cursor refracted by the laser locator 5 will appear on the silk screen frame, and then the film is placed in the silk screen frame according to the positioning cursor refracted by the laser locator 5, so as to position the film and accurately position it inside the silk screen frame.

[0042] It should be noted that the device is used for multi-color printing processing of the same specification screen frame. After the relative positions of the first screen frame and the film are fixed, the position of the laser locator 5 is also relatively fixed. When printing the second screen frame, it only needs to be placed inside the first clamp 16 and the second clamp 19, and the position of the film can be aligned by laser positioning. When multiple screen frames need to be processed, the above method can be used to achieve it.

[0043] It should be noted that the present invention is a multi-color screen printing platemaking positioning device, and firstly, the motor 9 and the control panel 8 are connected to an external power source to power the device.

[0044] The workbench 1 is a basic support and a working platform. A stable frame structure is constructed by the bracket 2 and the top frame 3 on the top of the workbench 1 to support the internal sliding position adjustment mechanism 4.

[0045] The two first guide rails 401 are fixed on the front and rear sides inside the top frame 3, and the first slider 402 arranged on the bottom wall is connected to the first pulley 403. The first pulley 403 forms a sliding connection with the hole grooves on the front and rear sides of the bottom of the first guide rail 401, so that the first slider 402 can slide smoothly along the first guide rail 401, thereby realizing the left and right position adjustment inside the top frame 3. The bottom of the first slider 402 is fixedly connected to the second guide rail 405 through the coupling block 404. When the staff pushes the second guide rail 405 to drive the first slider 402 to slide on the first guide rail 401, it will drive the second guide rail 405 to move synchronously in the left and right directions, providing a basic displacement for the subsequent precise adjustment in the second direction.

[0046] A second slider 407 is provided at the bottom of the second guide rail 405, and a second pulley 409 on the second slider 407 is slidably connected to the hole grooves on the left and right sides of the bottom of the second guide rail 405, so that the second slider 407 can slide in the front-back direction on the second guide rail 405, so that the second slider 407 at the bottom can slide stably on the bottom wall of the second guide rail 405, and the bottom of the support frame 408 is fixed to the top of the second slider 407, and the inside of the support frame 408 is sleeved on the outside of the second guide rail 405. The support frame 408 plays a certain supporting and guiding role on the second slider 407, and enables the staff to change the position of the required adjustment by pushing 408.

[0047] When the second slider 407 slides left and right on the second guide rail 405, the laser locator 5 will be driven to move synchronously in the front-to-back direction through the connecting plate 410. When the first slider 402 drives the second guide rail 405 to move left and right, the laser locator 5 will also move left and right accordingly.

[0048] After the motor 9 is started, its output end will drive the rotating rod 10 to rotate. The gear 11 fixedly connected to the outer side of the top of each rotating rod 10 will rotate with the rotating rod 10. A first rack 12 is set on the front side of the gear 11, and a second rack 13 is set on the rear side. When the gear 11 rotates, due to the meshing principle of the gear and the rack, the first rack 12 and the second rack 13 will be driven to perform linear motion. The first rack 12 and the second rack 13 will move in opposite directions on both sides of the gear 11, respectively, thereby driving the components connected thereto to perform corresponding actions.

[0049] The first connecting block 14 is fixedly connected to the left side of the first rack 12, and the first fastening block 15 and the first clamping block 16 on the top of the first connecting block 14 move together. The first fastening block 15 slides in the first slideway groove 7, ensuring that the first fastening block 15 and the components above it can only move along the direction of the first slideway groove 7.

[0050] The second connecting block 17 on the right side of the second rack 13 drives the second fastening block 18 and the second clamping block 19 to move. The second fastening block 18 slides in the second slideway groove 20, and the second clamping block 19 moves along the direction of the second slideway groove 20.

[0051] Since the second slide groove 20 is arranged at the rear side of the first slide groove 7, their movement directions are different, so that the device can realize motion control at different front and rear positions, and the first clamping block 16 and the second clamping block 19 correspond to each other to clamp the wire mesh frame.

[0052] The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments. The above embodiments and descriptions are only for explaining the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, which fall within the scope of the present invention to be protected. The scope of protection of the present invention is defined by the attached claims and their equivalents.

Claims

1. A multi-color screen printing plate-making positioning device, comprising a workbench (1), characterized in that: The top of each of the workbench (1) is fixedly connected to a bracket (2), the tops of the four brackets (2) are fixedly connected to a top frame (3), and a sliding position adjustment mechanism (4) is provided inside the top frame (3); The sliding position adjustment mechanism (4) comprises: two first guide rails (401), a second guide rail (405) and a support frame (408); the two first guide rails (401) are fixedly connected to the front and rear sides of the interior of the top frame (3); the bottom walls of the two first guide rails (401) are provided with first sliders (402); the upper side walls of the two first sliders (402) are fixedly connected to first pulleys (403); every four first pulleys (403) are slidably connected to the hole grooves on the front and rear sides of the bottom of the two first guide rails (401); the bottoms of the two first sliders (402) are fixedly connected to joint blocks (404); the bottoms of the two joint blocks (404) are fixedly connected to the front and rear sides of the upper side walls of the second guide rail (405); and the front and rear side walls of the second guide rail (405) are fixedly connected to limit plates (406).

2. A multi-color screen printing plate-making positioning device according to claim 1, characterized in that: A second slider (407) is arranged at the bottom of the second guide rail (405), the bottom of the support frame (408) is fixedly connected to the top of the second slider (407), the interior of the support frame (408) is arranged on the outside of the second guide rail (405), and the upper side walls of the second slider (407) are fixedly connected to second pulleys (409).

3. A multi-color screen printing plate making positioning device according to claim 2, characterized in that: The four second pulleys (409) are all slidably connected to the left and right hole grooves at the bottom of the second guide rail (405); the bottom of the second slider (407) is threadedly connected to a connecting plate (410); and the bottom of the connecting plate (410) is fixedly connected to a laser locator (5).

4. A multi-color screen printing plate making positioning device according to claim 1, characterized in that: A placement plate (6) is fixedly connected to the interior of the workbench (1), and first slide grooves (7) are provided on both the front and rear sides of the interior of the placement plate (6), and second slide grooves (20) are provided on both the front and rear sides of the interior of the placement plate (6), and the two second slide grooves (20) are arranged at the rear sides of the two first slide grooves (7), and a control panel (8) is fixedly connected to the right side wall of the workbench (1).

5. A multi-color screen printing plate-making positioning device according to claim 4, characterized in that: Motors (9) are provided on both the front and rear sides of the inner bottom wall of the workbench (1); the output ends of the two motors (9) are fixedly connected to rotating rods (10); the top outer sides of the two rotating rods (10) are fixedly connected to gears (11); and the front sides of the two gears (11) are provided with first racks (12).

6. A multi-color screen printing plate-making positioning device according to claim 5, characterized in that: A second rack (13) is provided on the rear side of the two gears (11), a first connecting block (14) is fixedly connected to the left side of the two first racks (12), a first fastening block (15) is fixedly connected to the top of the two first connecting blocks (14), a first clamping block (16) is fixedly connected to the top of the two first fastening blocks (15), and the outer sides of the two first fastening blocks (15) are slidably connected to the inside of the two first slide grooves (7).

7. A multi-color screen printing plate-making positioning device according to claim 6, characterized in that: The right sides of the two second racks (13) are fixedly connected with a second connecting block (17), the tops of the two second connecting blocks (17) are fixedly connected with a second fastening block (18), and the tops of the two second fastening blocks (18) are fixedly connected with a second clamping block (19).

8. A multi-color screen printing plate-making positioning device according to claim 7, characterized in that: The top outer sides of the two second clamping blocks (19) are both slidably connected to the inside of the two second slideway grooves (20), and the second clamping blocks (19) are arranged corresponding to the first clamping blocks (16).

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