Planographic printing device

By designing the plug-in installation and hydraulic drive of the rotating seat and docking shaft, the time-consuming problem of printing roller replacement in the prior art is solved, the function of rapid replacement of printing rollers and adapting materials of different thicknesses is realized, and the use of equipment is improved Efficiency and convenience.

CN222310148UActive Publication Date: 2025-01-07DONGGUAN XINGCAI IND CO LTD
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Patent Information

Application Number
CN202420617428.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-03-28
Publication Date
2025-01-07
Estimated Expiration
2034-03-28

AI Technical Summary

Technical Problem

The existing lithographic printing device requires removal of a large number of bolts when replacing the printing roller, which is time-consuming and inconvenient, affecting the replacement efficiency.

Method used

A liquid printing device including a rotating seat, a butt shaft, a printing roller, a clamp, a motor and a mounting frame is designed. The clamp is connected to the outer wall of the butt shaft through the clamp, and the longitudinal movement and replacement of the printing roller is achieved by using a hydraulic rod and a slide. It avoids bolts twisting, disassembly and assemble, uses plug-in installation and hydraulic drive, simplifying the replacement process of printing rollers.

Benefits of technology

It realizes rapid replacement of printing rollers and adaptation of materials of different thicknesses, reduces downtime, and improves the flexibility and convenience of equipment.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of printing devices, in particular to a planographic printing device. According to the technical scheme, the printing device comprises a first rotating seat, a butt joint shaft, a printing roller, a clamping sleeve, a second motor, a base, a second rotating seat and a second mounting frame, a conveyor is arranged at the upper end of the base, the printing roller is arranged above the conveyor, a first mounting frame and a second mounting frame are arranged at the upper end of the base, and the first rotating seat is arranged in the first mounting frame; a first rotating seat is arranged in the first mounting frame, a second rotating seat is arranged in the second mounting frame, butt joint shafts are mounted in the first rotating seat and the second rotating seat, mounting shafts are arranged at the two ends of the printing roller, clamping sleeves are connected to the outer sides of the mounting shafts in a sleeving mode, a first motor is arranged at one end of the first rotating seat, and a second motor is arranged at the upper end of the second mounting frame. The two ends of the printing roller are rotationally installed on the first rotating seat and the second rotating seat in an inserted mode, the height of the printing roller is adjusted through the longitudinal adjusting structure, the printing roller is suitable for printing of materials with different thicknesses, and the printing roller is time-saving and convenient to disassemble and assemble.
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Description

Technical Field

[0001] The utility model relates to the technical field of printing devices, in particular to a flat-plate printing device. Background Art

[0002] A flatbed printing device is a device used in the printing industry that uses ink and a printing roller to print patterns or text on a flat surface and is used in conjunction with a belt conveyor.

[0003] When the printing roller is in use, it is fixedly installed with the driving motor. When the printing pattern is adjusted or the printing roller is replaced, a large number of fixed bolts need to be removed first, and then the bolts need to be installed after replacement. The replacement of the printing roller is very time-consuming and inconvenient. For this reason, we propose a flatbed printing device to solve the existing problem. Utility Model Content

[0004] The utility model aims to provide a flat-plate printing device in view of the problems existing in the background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a flat printing device, comprising a rotating seat one, a docking shaft, a printing roller, a sleeve, a motor two, a base, a rotating seat two and a mounting frame two, a conveyor is arranged on the upper end of the base, a printing roller is arranged above the conveyor, a mounting frame one and a mounting frame two are arranged on the upper end of the base, a rotating seat one is arranged inside the mounting frame one, a rotating seat two is arranged inside the mounting frame two, a docking shaft is rotatably installed inside the rotating seat one and the rotating seat two, mounting shafts are arranged at both ends of the printing roller, a sleeve is sleeved on the outer side of the mounting shaft, a hydraulic rod is arranged on the upper end of the base, a motor one is arranged at one end of the rotating seat one, a motor two is arranged at the upper end of the mounting frame two, a screw is arranged at the lower end of the motor two, and a nut is arranged at the front end of the rotating seat two.

[0006] Preferably, the rotating seat 1 is provided with sliders at both the front and rear ends, and the mounting frame 1 is provided with slide grooves at both the front and rear ends, and the sliders are slidably mounted inside the slide grooves. The rotating seat 1 slides inside the slide grooves through the sliders, so that the rotating seat 1 is supported for rotation inside the mounting frame 1.

[0007] Preferably, both ends of the installation shaft are inserted into the docking shaft, the inner walls of the upper and lower ends of the docking shaft are provided with blocks, the outer wall of the installation shaft is provided with a slot, and the block is slidably inserted into the slot. The installation shaft is slidably sleeved into the block through the slot, the installation shaft is clamped, and the rotational force of the docking shaft acts on the installation shaft.

[0008] Preferably, the inner wall of the ferrule and the outer wall of the docking shaft are provided with mutually meshing threads, and the outer wall of the ferrule is provided with rotating rods distributed in a circular array. The ferrule is rotatably sleeved on the outer wall of the docking shaft through the threads, and the rotating rod facilitates gripping and applying force when rotating the ferrule.

[0009] Preferably, one end of the hydraulic rod is connected to the mounting frame 1, a slide seat is provided at the lower end of the mounting frame, a guide rail is provided at the upper end of the base, and the lower end of the slide seat is slidably mounted on the outer wall of the guide rail. The mounting frame 1 slides on the guide rail through the slide seat to provide sliding support for the mounting frame 1, and when the hydraulic rod is in operation, the mounting frame 1 is pushed to slide horizontally.

[0010] Preferably, the output end of the motor 1 is connected to one end of the docking shaft, the lower end of the screw is rotatably mounted on the mounting frame 2 and the inside of the base through a bearing, and the lower end of the screw is rotatably inserted into the inside of the nut. When the motor 1 is running, it drives the docking shaft to rotate, and the screw is supported when rotating, so it is more stable when rotating.

[0011] Preferably, the outer wall of the installation shaft is sleeved with a limiting ring, which limits the position of the ferrule, so that when the ferrule is threadedly connected with the docking shaft, the installation shaft is fixed by the limiting block.

[0012] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0013] The two ends of the printing roller of the utility model are rotatably supported by the rotating seat one and the rotating seat two, and the rotating support end is installed by plugging and sleeved on the outer wall of the docking shaft by a clamping sleeve to fix the mounting shaft of the printing roller, avoiding the need for bolt twisting and disassembly during replacement, and the rotating seat one and the rotating seat two can be adjusted in height longitudinally, and hard brushes suitable for materials of different thicknesses can be used during flat-plate printing, so that replacement of the printing roller is more time-saving, convenient and flexible to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the main cross-sectional structure of the utility model;

[0015] Figure 2 It is a schematic diagram of the top view structure of the utility model;

[0016] Figure 3 It is a schematic diagram of the main cross-sectional structure of the docking shaft of the utility model.

[0017] Figure numerals: 1. Motor 1; 2. Rotating seat 1; 3. Docking shaft; 4. Printing roller; 5. Sleeve; 6. Motor 2; 7. Screw; 8. Conveyor; 9. Mounting frame 1; 10. Base; 11. Rotating rod; 12. Block; 13. Slot; 14. Mounting shaft; 15. Limiting ring; 16. Thread; 17. Rotating seat 2; 18. Bearing; 19. Nut; 20. Hydraulic rod; 21. Mounting frame 2. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in 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.

[0019] like Figure 1-Figure 3 As shown, a flat printing device proposed by the utility model includes a rotating seat 2, a docking shaft 3, a printing roller 4, a sleeve 5, a motor 6, a base 10, a rotating seat 17 and a mounting frame 21. A conveyor 8 is arranged on the upper end of the base 10, and a printing roller 4 is arranged above the conveyor 8. A mounting frame 9 and a mounting frame 21 are arranged on the upper end of the base 10. A rotating seat 2 is arranged inside the mounting frame 9. Slide blocks are arranged at both the front and rear ends of the rotating seat 2. Slide blocks are arranged at both the front and rear ends of the mounting frame 9. The slide blocks are slidably installed inside the slide blocks. The mounting frame A rotating seat 17 is arranged inside the second 21, and a docking shaft 3 is rotatably installed inside the rotating seat 2 and the rotating seat 17. Both ends of the printing roller 4 are provided with mounting shafts 14. A motor 1 is arranged at one end of the rotating seat 2, and the output end of the motor 1 is connected with one end of the docking shaft 3. A motor 6 is arranged at the upper end of the mounting frame 21, and a screw 7 is arranged at the lower end of the motor 6. The lower end of the screw 7 is rotatably installed inside the mounting frame 21 and the base 10 through a bearing 18. A nut 19 is arranged at the front end of the rotating seat 17, and the lower end of the screw 7 is rotatably inserted into the nut 19.

[0020] The implementation steps based on Example 1: the material is transported by the conveyor belt, and the motor 1 drives the docking shaft 3 to rotate, and the docking shaft 3 drives the printing roller 4 to rotate. When the material passes through the printing roller 4, the ink coated on the grid of the printing roller 4 rotates and presses on the material to realize flat printing of the material. After printing, ink is added to the printing roller 4 again. When the material is hard brushed, the motor 2 6 drives the screw 7 to rotate, and the screw 7 pushes the nut 19 to drive the printing roller 4 to move longitudinally, so that the printing roller 4 can adapt to materials of different thicknesses, and the flat material can be effectively printed, with high flexibility in use.

[0021] like Figure 1-Figure 3As shown, compared with the first embodiment, the flat printing device proposed by the utility model further includes: both ends of the installation shaft 14 are inserted into the docking shaft 3, the inner walls of the upper and lower ends of the docking shaft 3 are provided with blocks 12, the outer wall of the installation shaft 14 is provided with a slot 13, the block 12 is slidably inserted into the slot 13, the outer wall of the installation shaft 14 is sleeved with a limit ring 15, the outer side of the installation shaft 14 is sleeved with a sleeve 5, the inner wall of the sleeve 5 and the outer wall of the docking shaft 3 are provided with mutually meshing threads 16, the outer wall of the sleeve 5 is provided with rotating rods 11 distributed in a ring array, the lower end of the installation frame 9 is provided with a slide seat, the upper end of the base 10 is provided with a guide rail, the lower end of the slide seat is slidably installed on the outer wall of the guide rail, the upper end of the base 10 is provided with a hydraulic rod 20, and one end of the hydraulic rod 20 is connected to the installation frame 9.

[0022] In this embodiment, when the printed pattern needs to be replaced, the sleeve 5 rotates and disengages from the thread 16 of the docking shaft 3. The hydraulic rod 20 drives the mounting frame 9 to move outward, and one end of the mounting shaft 14 disengages from the engagement. At this time, the printing roller 4 is taken out, and the mounting shaft 14 of the printing roller 4 with the new pattern is inserted into the docking shaft 3. The hydraulic rod 20 drives the mounting frame 9 to move horizontally, and the docking shaft 3 is docked with the mounting shaft 14. The sleeve 5 rotates and is sleeved on the outside of the docking shaft 3, thereby realizing the replacement of the printing roller 4. The replacement process avoids the disassembly and assembly of a large number of bolts, and the replacement process is time-saving and convenient, reducing downtime, and making the equipment easy to use.

[0023] The above-mentioned specific embodiments are only several preferred embodiments of the present invention. Based on the technical solution of the present invention and the relevant inspiration of the above-mentioned embodiments, those skilled in the art can make various alternative improvements and combinations to the above-mentioned specific embodiments.

[0024] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. A flat printing device, comprising a rotating seat (2), a docking shaft (3), a printing roller (4), a sleeve (5), a motor (6), a base (10), a rotating seat (17) and a mounting frame (21), characterized in that: A conveyor (8) is arranged at the upper end of the base (10), a printing roller (4) is arranged above the conveyor (8), a mounting frame 1 (9) and a mounting frame 2 (21) are arranged at the upper end of the base (10), a rotating seat 1 (2) is arranged inside the mounting frame 1 (9), a rotating seat 2 (17) is arranged inside the mounting frame 2 (21), a docking shaft (3) is rotatably mounted inside the rotating seat 1 (2) and the rotating seat 2 (17), mounting shafts (14) are arranged at both ends of the printing roller (4), a sleeve (5) is sleeved on the outer side of the mounting shaft (14), a hydraulic rod (20) is arranged at the upper end of the base (10), a motor 1 (1) is arranged at one end of the rotating seat 1 (2), a motor 2 (6) is arranged at the upper end of the mounting frame 2 (21), a screw rod (7) is arranged at the lower end of the motor 2 (6), and a nut (19) is arranged at the front end of the rotating seat 2 (17).

2. A lithography device according to claim 1, characterized in that: The rotating seat (2) is provided with sliders at both the front and rear ends, and the mounting frame (9) is provided with slide grooves at both the front and rear ends, and the sliders are slidably mounted inside the slide grooves.

3. A lithography device according to claim 1, characterized in that: Both ends of the installation shaft (14) are inserted into the docking shaft (3), the inner walls of the upper and lower ends of the docking shaft (3) are provided with clamping blocks (12), the outer wall of the installation shaft (14) is provided with a clamping groove (13), and the clamping block (12) is slidably inserted into the inside of the clamping groove (13).

4. A lithography device according to claim 1, characterized in that: The inner wall of the ferrule (5) and the outer wall of the docking shaft (3) are both provided with mutually meshing threads (16), and the outer wall of the ferrule (5) is provided with rotating rods (11) distributed in a ring array.

5. A lithography device according to claim 1, characterized in that: One end of the hydraulic rod (20) is connected to the mounting frame (9), a slide seat is provided at the lower end of the mounting frame (9), a guide rail is provided at the upper end of the base (10), and the lower end of the slide seat is slidably mounted on the outer wall of the guide rail.

6. A lithography device according to claim 1, characterized in that: The output end of the motor 1 (1) is connected to one end of the docking shaft (3), the lower end of the screw rod (7) is rotatably mounted on the inside of the mounting frame 2 (21) and the base (10) through a bearing (18), and the lower end of the screw rod (7) is rotatably inserted into the inside of the nut (19).

7. A lithography device according to claim 1, characterized in that: The outer wall of the installation shaft (14) is sleeved with a limiting ring (15).