Printing machine with rapid plate changing function

By designing structures such as rollers, moving plates, press plates, ink collection grooves and rotating rods in the printing press, the cumbersome problem of replacing the printing plate with existing printing presses is solved, and the rapid replacement and cleaning of the printing plate is achieved, and the working efficiency is improved.

CN222987819UActive Publication Date: 2025-06-17DONGGUAN YADA COLOR PRINTING CO LTD
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Patent Information

Application Number
CN202422354731.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-26
Publication Date
2025-06-17
Estimated Expiration
2034-09-26

AI Technical Summary

Technical Problem

Existing printing presses are cumbersome when replacing printing plates, which affects work efficiency.

Method used

A printing press with the function of quick change of plates is designed, and the rapid installation, disassembly and replacement of the printing plates is achieved by installing structures such as rollers, moving plates, press plates, ink collection grooves and rotating rods.

Benefits of technology

It realizes rapid replacement and cleaning of printing plates, improving the working efficiency and convenience of the printing press.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a printing machine with a rapid plate changing function, and belongs to the technical field of printing machines. The printing machine with the rapid plate changing function comprises a base and a printing box, the two sides of the top of the base are each provided with a pair of mounting plates, a pair of carrier rollers are connected between the two pairs of mounting plates, the printing box is mounted in the center of the top of the base, mounting mechanisms are arranged on the four sides of the top of a moving plate, and each mounting mechanism comprises a pressing plate. An ink box is arranged in the groove, an ink conveying pipe is connected to one side of the ink box, mounting rods are mounted on the two sides of the inner wall of the groove, second sliding grooves are formed in the pair of mounting rods, sliding blocks are slidably mounted in the pair of second sliding grooves, a connecting plate is connected between the pair of sliding blocks, a moving mechanism is arranged at the top of the connecting plate, and the moving mechanism comprises an adjusting rod. And through the mounting mechanism, the printing plate can be mounted and replaced, meanwhile, the moving mechanism is matched to drive the printing roller to move, and the printing plate can be replaced conveniently.
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Description

Technical Field

[0001] The utility model relates to the technical field of printing machines, and more specifically, to a printing machine with a function of quickly changing printing plates. Background Technique

[0002] A printing machine is a machine for printing characters and images. Modern printing machines generally consist of mechanisms such as plate loading, ink coating, impression, and paper feeding. Its working principle is as follows: First, the characters and images to be printed are made into printing plates and installed on the printing machine. Then, ink is applied to the areas with characters and images on the printing plate by manual or the printing machine, and then directly or indirectly transferred to paper or other printing substrates, thereby reproducing the same printed matter as the printing plate. The invention and development of printing machines play an important role in the dissemination of human civilization and culture.

[0003] When the current printing machine is in use, sometimes it is necessary to print different characters and images and replace the printing plate. However, the current printing plates are all fixedly installed on the printing machine through various parts, and it will be rather cumbersome to replace the printing plate. Content of the Utility Model

[0004] In order to make up for the above deficiencies, the utility model provides a printing machine with a function of quickly changing printing plates.

[0005] The utility model is realized as follows:

[0006] A printing machine with a function of quickly changing printing plates includes a base and a printing box. On both sides of the top of the base, a pair of mounting plates are installed, and between the two pairs of mounting plates, a pair of supporting rollers are connected. The printing box is installed at the center of the top of the base, and a groove is provided inside the printing box. On one side inside the printing box, there is a through hole, and a number of baffle curtains are equidistantly installed at the through hole. On both sides inside the groove, mounting blocks are installed, and inside each of the pair of mounting blocks, there is a first sliding groove. A moving plate is slidably installed between the pair of first sliding grooves, and a printing plate is placed at the center of the top of the moving plate. On the four sides of the top of the moving plate, mounting mechanisms are provided, and each mounting mechanism includes a pressing plate. On one side of the top of the printing box, an ink box is installed, and an ink delivery pipe is connected to one side of the ink box. On both sides of the inner wall of the groove, mounting rods are installed, and inside each of the pair of mounting rods, there is a second sliding groove. Sliders are slidably installed inside the pair of second sliding grooves, and a connecting plate is connected between the pair of sliders. On the top of the connecting plate, a moving mechanism is provided, and the moving mechanism includes an adjusting rod.

[0007] Furthermore, on both sides of the top of the moving plate, a pair of mounting grooves are provided, and a first spring is connected inside the mounting grooves. The top end of the first spring is connected with a clamping block. On one side inside the first sliding groove, a pair of clamping grooves are provided, and the clamping block is engaged with the clamping grooves.

[0008] Furthermore, a number of vertical rods are installed on both sides of the top of the moving plate, and a moving groove is provided inside the vertical rod, and a second spring is connected inside the moving groove.

[0009] The beneficial effect of adopting the above further scheme is that by installing the second spring, the pressing plate can be driven to move up and down, which is convenient for installing and disassembling the printing plate.

[0010] Furthermore, the top end of the second spring is connected with a moving rod, and the pressing plate is connected with the top end of the moving rod. The pressing plate is in mutual contact with the printing plate, and a limiting ring is installed at the bottom of the moving rod outside the pressing plate.

[0011] The beneficial effect of adopting the above further scheme is that by installing a number of pressing plates, the printing plate can be installed and fixed, which is convenient for replacing the printing plate.

[0012] Furthermore, a handle is installed on one side of the moving plate, and ink collecting grooves are installed on both sides of the printing plate inside the moving plate.

[0013] The beneficial effect of adopting the above further scheme is that by installing the ink collecting groove, the excess ink can be collected and cleaned when replacing the printing plate.

[0014] Furthermore, rotating rods are connected to both sides inside the groove. A motor is installed on one side outside the printing box, and the output end of the motor is in transmission connection with the rotating rod. One end of a pair of rotating rods is hinged with an adjusting rod.

[0015] The beneficial effect of adopting the above further scheme is that by installing the rotating rod, the adjusting rod can be driven to rotate, so that the first connecting rod moves up and down.

[0016] Furthermore, a first connecting rod is connected between the bottom ends of a pair of adjusting rods, and a connecting block is installed outside the first connecting rod. The bottom of the connecting block is connected with a second connecting rod, and the bottom end of the second connecting rod is connected with the connecting plate.

[0017] The beneficial effect of adopting the above further scheme is that by installing the adjusting rod, the first connecting rod and the second connecting rod can move up and down, driving the printing roller to move up and down, which is convenient for the user to take and place the printing plate.

[0018] Furthermore, a printing roller is installed at the bottom of the connecting plate, and one end of the ink delivery pipe penetrates through the connecting pipe and extends to one side of the printing roller.

[0019] The beneficial effects of the present utility model are as follows: A printing press with a rapid plate-changing function obtained through the above design places the printed matter to be printed between a pair of rollers, fixes one end of the printed matter, then places the printed matter on the printing plate, and then starts the pump to convey the ink in the ink tank to the printing plate. When it is necessary to replace the printing plate, start the motor to drive the rotating rod to rotate. When the rotating rod rotates, it drives the adjusting rod and the first connecting rod to rotate, so that the second connecting rod drives the connecting plate to move up and down. During the movement, the slider moves in the second chute to support and limit the movement of the connecting plate, so that the printing roller is separated from the printing plate. Pull the handle to squeeze the two pairs of clamping blocks, drive the clamping blocks to move through the first spring, so that the clamping blocks are separated from the clamping grooves, open the curtain, take out the moving plate from the pair of grooves, and then pull the pressing plate at the same time. Through the elasticity of the second spring, the pressing plate is separated from the printing plate, and the printing plate is replaced. After the replacement is completed, release the pressing plate to fix the new printing plate. And during the pressing process of the printing roller, the excess ink flows into the ink collecting groove, which is convenient for cleaning while replacing the printing plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of the present utility model, and therefore should not be regarded as limiting the scope. For those of ordinary skill in the art, other related drawings can be obtained based on these drawings without creative efforts.

[0021] Figure 1 It is a three-dimensional structural schematic diagram of a printing press with a rapid plate-changing function provided by the present utility model;

[0022] Figure 2 It is a three-dimensional structural schematic diagram of the moving plate of a printing press with a rapid plate-changing function provided by the present utility model;

[0023] Figure 3 It is a three-dimensional structural schematic diagram of the printing roller of a printing press with a rapid plate-changing function provided by the present utility model;

[0024] Figure 4 For Figure 2 the enlarged structural schematic diagram of structure A in

[0025] In the figure: 1001, base; 1002, mounting plate; 1003, idler roller; 1004, printing box; 1005, groove; 1006, through hole; 1007, curtain; 2001, mounting block; 2002, first chute; 2003, moving plate; 2004, handle; 2005, mounting groove; 2006, first spring; 2007, clamping block; 2008, printing plate; 2009, vertical rod; 2010, moving groove; 2011, second spring; 2012, moving rod; 2013, limiting ring; 2014, pressing plate; 2015, ink collecting groove; 3001, ink box; 3002, ink delivery pipe; 3003, mounting rod; 3004, second chute; 3005, slider; 3006, connecting plate; 3007, printing roller; 3008, first connecting rod; 3009, second connecting rod; 3010, adjusting rod; 3011, rotating rod; 3012, motor. Detailed implementation mode

[0026] To make the purpose, technical solutions and advantages of the embodiments of the present utility model clearer, the technical solutions in the embodiments of the present utility model will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are part of the embodiments of the present utility model, rather than all of the embodiments. Based on the embodiments in the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts belong to the scope of protection of the present utility model.

[0027] Therefore, the following detailed description of the embodiments of the present utility model provided in the drawings is not intended to limit the scope of the present utility model to be protected, but merely represents the selected embodiments of the present utility model. Based on the embodiments in the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts belong to the scope of protection of the present utility model.

[0028] Embodiment 1 of a printing machine with a fast plate-changing function of the present utility model

[0029] The present utility model provides the following technical solutions: As Figures 1 - 4As shown in the figure, it includes a base 1001 and a printing box 1004. A pair of mounting plates 1002 are installed on both sides of the top of the base 1001, and a pair of roller supports 1003 are connected between the two pairs of mounting plates 1002. The printing box 1004 is installed at the center of the top of the base 1001, and a groove 1005 is provided inside the printing box 1004. A through hole 1006 is provided on one side inside the printing box 1004, and a number of curtain guards 1007 are installed at equal intervals at the through hole 1006. Mounting blocks 2001 are installed on both sides inside the groove 1005, and a first sliding groove 2002 is provided inside each of the pair of mounting blocks 2001. A moving plate 2003 is slidably installed between the two first sliding grooves 2002, and a printing plate 2008 is placed at the center of the top of the moving plate 2003. Mounting mechanisms are provided on the four sides of the top of the moving plate 2003, and the mounting mechanism includes a pressing plate 2014. An ink box 3001 is installed on one side of the top of the printing box 1004, and an ink delivery pipe 3002 is connected to one side of the ink box 3001. Mounting rods 3003 are installed on both sides of the inner wall of the groove 1005, and a second sliding groove 3004 is provided inside each of the pair of mounting rods 3003. Sliders 3005 are slidably installed inside the two second sliding grooves 3004, and a connecting plate 3006 is connected between the pair of sliders 3005. A moving mechanism is provided on the top of the connecting plate 3006, and the moving mechanism includes an adjusting rod 3010. A pair of mounting grooves 2005 are provided on both sides of the top of the moving plate 2003, and a first spring 2006 is connected inside the mounting groove 2005. The top end of the first spring 2006 is connected to a clamping block 2007. A pair of clamping grooves are provided on one side inside the first sliding groove 2002, and the clamping block 2007 is engaged with the clamping grooves. A number of vertical rods 2009 are installed on both sides of the top of the moving plate 2003, and a moving groove 2010 is provided inside the vertical rod 2009. A second spring 2011 is connected inside the moving groove 2010. The top end of the second spring 2011 is connected to a moving rod 2012, and the pressing plate 2014 is connected to the top end of the moving rod 2012. The pressing plate 2014 is in close contact with the printing plate 2008. A limiting ring 2013 is installed at the bottom of the pressing plate 2014 outside the moving rod 2012. A handle 2004 is installed on one side of the moving plate 2003. Ink collecting grooves 2015 are installed on both sides of the printing plate 2008 inside the moving plate 2003. By installing the second spring 2011, the pressing plate 2014 can be driven to move up and down, which is convenient for installing and disassembling the printing plate 2008. By installing a number of pressing plates 2014, the printing plate 2008 can be installed and fixed, which is convenient for replacing the printing plate 2008. By installing the ink collecting grooves 2015, the excess ink can be collected and cleaned when replacing the printing plate 2008.

[0030] Embodiment II of a printing press with a fast plate-changing function according to the present utility model

[0031] Refer to, specifically as Figures 1 - 4 As shown, both sides inside the groove 1005 are connected with rotating rods 3011. One side outside the printing box 1004 is provided with a motor 3012, and the output end of the motor 3012 is in transmission connection with the rotating rod 3011. One end of a pair of the rotating rods 3011 is hinged with an adjusting rod 3010. A first connecting rod 3008 is connected between the bottom ends of the pair of adjusting rods 3010. A connecting block is installed outside the first connecting rod 3008. The bottom of the connecting block is connected with a second connecting rod 3009, and the bottom end of the second connecting rod 3009 is connected with a connecting plate 3006. A printing roller 3007 is installed at the bottom of the connecting plate 3006. One end of the ink delivery pipe 3002 penetrates through the connecting pipe and extends to one side of the printing roller 3007. By installing the rotating rod 3011, the adjusting rod 3010 can be driven to rotate, so that the first connecting rod 3003 moves up and down. By installing the adjusting rod 3010, the first connecting rod 3008 and the second connecting rod 3009 can move up and down, driving the printing roller 3007 to move up and down, facilitating the user to take and place the printing plate 2008.

[0032] Specifically, the working principle of the printing machine with a quick plate-changing function is as follows: When in use, place the printed matter to be printed between a pair of supporting rollers 1003, fix one end of the printed matter, then place the printed matter on the printing plate 2008, and then start the pump to transport the ink in the ink tank 3001 to the printing plate 2008. When it is necessary to replace the printing plate 2008, start the motor 3012 to drive the rotating rod 3011 to rotate. When the rotating rod 3011 rotates, it drives the adjusting rod 3010 and the first connecting rod 3008 to rotate, so that the second connecting rod 3009 drives the connecting plate 3006 to move up and down. During the movement, the slider 3005 moves in the second chute 3004 to support and limit the movement of the connecting plate 3006, so that the printing roller 3007 is separated from the printing plate 2008. Pull the handle 2004 to squeeze the two pairs of clamping blocks 2007, and drive the clamping blocks 2007 to move through the first spring 2006, so that the clamping blocks 2007 are separated from the clamping grooves. Open the curtain 1007 and take out the moving plate 2003 from a pair of grooves 1005. Then pull the pressing plate 2014 at the same time. Due to the elasticity of the second spring 2011, the pressing plate 2014 is separated from the printing plate, and the printing plate 2008 is replaced. After the replacement is completed, release the pressing plate 2014 to fix the new printing plate 2008. And during the pressing process of the printing roller 3007, the excess ink flows into the ink collecting groove 2015, which is convenient for cleaning when replacing the printing plate 2008.

[0033] It should be noted that the specific model and specification of the motor 3012 of the printing machine with a quick plate-changing function need to be selected and determined according to the actual specifications of the device. The specific selection calculation method adopts the existing technology in the field, so it will not be elaborated in detail here.

[0034] The power supply and principle of the motor 3012 of the printing machine with a quick plate-changing function are clear to those skilled in the art, so they will not be described in detail here.

[0035] The above are only the preferred embodiments of the present invention and are not used to limit the present invention. For those skilled in the art, the present invention can have various changes and modifications. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A printing press with a quick plate changing function, characterized in that: The invention comprises a base (1001) and a printing box (1004), wherein a pair of mounting plates (1002) are mounted on both sides of the top of the base (1001), and a pair of rollers (1003) are connected between the two pairs of mounting plates (1002), the printing box (1004) is mounted at the top center of the base (1001), and a groove (1005) is arranged inside the printing box (1004), a through hole (1006) is arranged on one side of the inside of the printing box (1004), and a plurality of curtains (1007) are equidistantly mounted at the through hole (1006), mounting blocks (2001) are mounted on both sides of the inside of the groove (1005), and a first slide groove (2002) is arranged inside a pair of the mounting blocks (2001), and a movable plate (2003) is slidably mounted between the pair of the first slide grooves (2002), and A printing plate (2008) is placed at the top center of the movable plate (2003), and mounting mechanisms are provided on all four sides of the top of the movable plate (2003), and the mounting mechanisms include a pressing plate (2014). An ink box (3001) is installed on one side of the top of the printing box (1004), and one side of the ink box (3001) is connected to an ink supply tube (3002). Mounting rods (3003) are installed on both sides of the inner wall of the groove (1005), and a pair of the mounting rods (3003) are provided with second slide grooves (3004) inside, and a pair of the second slide grooves (3004) are slidably installed with sliders (3005) inside, and a connecting plate (3006) is connected between the pair of sliders (3005), and a moving mechanism is provided on the top of the connecting plate (3006), and the moving mechanism includes an adjusting rod (3010).

2. A printing press with a quick plate changing function according to claim 1, characterized in that: A pair of mounting grooves (2005) are provided on both sides of the top of the movable plate (2003), and a first spring (2006) is connected inside the mounting groove (2005), a clamping block (2007) is connected to the top of the first spring (2006), and a pair of clamping grooves are provided on one side of the interior of the first sliding groove (2002), and the clamping block (2007) and the clamping grooves are mutually engaged.

3. A printing press with a quick plate changing function according to claim 1, characterized in that: A plurality of vertical rods (2009) are installed on both sides of the top of the movable plate (2003), and a movable groove (2010) is provided inside the vertical rod (2009), and a second spring (2011) is connected inside the movable groove (2010).

4. A printing press with a quick plate changing function according to claim 3, characterized in that: The top end of the second spring (2011) is connected to a moving rod (2012), and the pressure plate (2014) and the top end of the moving rod (2012) are connected to each other, the pressure plate (2014) and the printing plate (2008) are fitted to each other, and a limiting ring (2013) is installed on the outside of the moving rod (2012) at the bottom of the pressure plate (2014).

5. The printing press with a quick plate changing function according to claim 1, characterized in that: A handle (2004) is installed on one side of the movable plate (2003), and ink collecting grooves (2015) are installed on both sides of the printing plate (2008) inside the movable plate (2003).

6. A printing press with a quick plate changing function according to claim 1, characterized in that: Both sides of the interior of the groove (1005) are connected to rotating rods (3011), a motor (3012) is installed on one side of the exterior of the printing box (1004), and the output end of the motor (3012) is transmission-connected to the rotating rod (3011), and one end of a pair of rotating rods (3011) is hinged with an adjusting rod (3010).

7. A printing press with a rapid plate changing function according to claim 6, characterized in that: A first connecting rod (3008) is connected between the bottom ends of a pair of adjusting rods (3010), and a connecting block is installed outside the first connecting rod (3008), a second connecting rod (3009) is connected to the bottom of the connecting block, and the bottom end of the second connecting rod (3009) is interconnected with the connecting plate (3006).

8. The printing press with a quick plate changing function according to claim 1, characterized in that: A printing roller (3007) is installed at the bottom of the connecting plate (3006), and one end of the ink supply tube (3002) passes through the connecting tube and extends to one side of the printing roller (3007).