Quick replacement device for ink roller of six-color flexo printing machine

By designing height and distance adjustment mechanisms on a six-color flexographic printing press, and using a motor-driven threaded rod to adjust the height of the ink rollers and the spacing between the clamping seats, the problem of difficult positioning and installation of existing devices is solved, the efficiency of ink roller replacement is improved and damage is reduced.

CN224223780UActive Publication Date: 2026-05-12DONGGUAN JIASUI PACKAGING PROD CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
DONGGUAN JIASUI PACKAGING PROD CO LTD
Filing Date
2025-05-30
Publication Date
2026-05-12

AI Technical Summary

Technical Problem

The existing quick-change device for ink rollers on six-color flexographic printing presses lacks a quick adjustment function for ink roller height, making it difficult to position and install quickly, thus affecting the replacement efficiency.

Method used

A quick ink roller replacement device was designed, which includes a height adjustment mechanism and a distance adjustment mechanism. The device uses a motor to drive unidirectional and bidirectional threaded rods to achieve precise adjustment of the ink roller height and the clamping seat distance. Combined with casters and brake feet, the device is stable and adaptable to the installation requirements of different ink roller models.

Benefits of technology

实现了墨辊高度的快速调节和精准定位,提高了墨辊更换的效率,减少了对墨辊表面的损伤,增强了装置的稳定性和适应性。

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Abstract

The utility model discloses a quick replacement device for an ink roller of a six-color flexo printing machine, and belongs to the technical field of printing machinery. The quick replacing device for the ink roller of the six-color flexographic printing machine comprises a bottom plate, universal wheels are installed at the four corners of the bottom end of the bottom plate, a stand column is installed on one side of the top end of the bottom plate, a top frame is installed at the top end of the stand column, a height adjusting mechanism is connected to the bottom end of the top frame and comprises a one-way threaded rod, and the top end of the one-way threaded rod is rotationally connected with the bottom end of the top frame; the bottom end of the one-way threaded rod is rotationally connected with a holding seat, the bottom end of the holding seat is rotationally connected with the top end of the bottom plate, the outer side of the one-way threaded rod is sleeved with a lifting arm, a frame is installed on the side, away from the one-way threaded rod, of the bottom end of the lifting arm, and clamping seats are arranged on the two sides of the bottom end of the frame; the height of the ink roller can be effectively and rapidly adjusted, the ink roller can be conveniently and rapidly positioned and installed, and the ink roller adjusting device has high practical value.
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Description

Technical Field

[0001] This utility model relates to the field of printing machinery technology, specifically to a quick ink roller replacement device for a six-color flexographic printing press. Background Technology

[0002] In the printing industry, flexographic printing presses are widely used due to their high efficiency and environmental friendliness. Six-color flexographic printing presses can achieve multi-color printing, meeting diverse printing needs. However, existing six-color flexographic printing presses have some shortcomings in terms of ink roller replacement.

[0003] Based on the above, the inventors have discovered the following problem: the current six-color flexographic printing press ink roller quick change device does not have a quick ink roller height adjustment function during use, making it difficult to quickly position and install the ink roller, thus affecting the change efficiency.

[0004] Therefore, in view of this, we have studied and improved the existing structure and its shortcomings, and provided a quick ink roller replacement device for a six-color flexographic printing press, in order to achieve a more practical purpose. Utility Model Content

[0005] The purpose of this invention is to provide a quick ink roller replacement device for a six-color flexographic printing press, in order to solve the problem mentioned in the background art that the current quick ink roller replacement devices for six-color flexographic printing presses do not have a quick ink roller height adjustment function, making it difficult to quickly position and install the ink rollers, thus affecting the replacement efficiency.

[0006] In view of the above problems, the technical solution proposed by this utility model is as follows:

[0007] A quick ink roller replacement device for a six-color flexographic printing press includes a base plate with casters mounted at all four corners of its bottom. A column is mounted on one side of the top of the base plate, and a top frame is mounted on the top of the column. A height adjustment mechanism is connected to the bottom of the top frame. The height adjustment mechanism includes a one-way threaded rod, the top of which is rotatably connected to the bottom of the top frame. A retaining seat is rotatably connected to the bottom of the one-way threaded rod, and the bottom of the retaining seat is rotatably connected to the top of the base plate. A lifting arm is fitted around the outside of the one-way threaded rod, and a frame is mounted on the bottom of the lifting arm on the side away from the one-way threaded rod. Clamping seats are provided on both sides of the bottom of the frame, and an adjustment mechanism for adjusting the distance between a pair of clamping seats is provided inside the frame.

[0008] Furthermore, a first motor is mounted on the top of the top frame, and the output end of the first motor is connected to the top of the one-way threaded rod.

[0009] The beneficial effect of adopting the above-mentioned further solution is that the one-way threaded rod can be electrically rotated by connecting the output end of the first motor to the top end of the one-way threaded rod.

[0010] Furthermore, a slide rail is slidably connected to one end face of the lifting arm, and one side of the slide rail is fixedly connected to one side of the top frame.

[0011] The beneficial effect of adopting the above-mentioned further solution is that the lifting stability of the lifting arm is improved by sliding a slide rail on one end face of the lifting arm.

[0012] Furthermore, a V-shaped groove is formed at the bottom end of the adjacent sides of the pair of clamping seats.

[0013] The beneficial effect of adopting the above-mentioned further solution is that by opening V-shaped grooves at the bottom of adjacent sides of a pair of clamping seats, they form line contact with the cylindrical outer surface of the ink roller, increasing the friction while reducing damage to the surface of the ink roller.

[0014] Furthermore, the adjusting mechanism includes a bidirectional threaded rod, the two ends of which are rotatably connected to the inner end faces of the frame. Each end of the bidirectional threaded rod is fitted with a sliding block, the bottom end of which is fixedly connected to the top end of the clamping seat, and the two sides of which are slidably connected to the inner two sides of the frame.

[0015] The beneficial effect of adopting the above-mentioned further solution is that, by fitting sliding blocks at both ends of the bidirectional threaded rod, the spacing of the sliding blocks can be adjusted by rotating the bidirectional threaded rod, thereby adjusting the spacing of a pair of clamping seats.

[0016] Furthermore, a second motor is mounted on one end face of the frame, and the output end of the second motor is connected to one end of a bidirectional threaded rod.

[0017] The beneficial effect of adopting the above-mentioned further solution is that the electric rotation of the bidirectional threaded rod is realized by connecting the output end of the second motor to one end of the bidirectional threaded rod.

[0018] Furthermore, a brake foot plate is connected to one side of the omnidirectional wheel.

[0019] The advantage of adopting the above-mentioned further solution is that by connecting a brake foot to one side of the caster wheel, the device is ensured to remain stable during the replacement process.

[0020] Compared with the prior art, the beneficial effects of this utility model are as follows: This six-color flexographic printing press ink roller quick change device has casters installed at the four corners of the bottom of the base plate, enabling the device to move as a whole, making it convenient to move the device closer to or away from the printing press. The column and top frame form a supporting frame. The height adjustment mechanism is driven by a first motor to rotate a one-way threaded rod, which drives the lifting arm to slide up and down along the slide rail, precisely adjusting the frame height to adapt to the ink roller installation position of different printing press models. The distance adjustment mechanism inside the frame is driven by a second motor to rotate a two-way threaded rod, causing the sliding block to drive the clamping seat to open and close, quickly adapting to the clamping requirements of ink rollers of different diameters. The output end of the first motor is connected to the top of the one-way threaded rod to realize the electric rotation of the one-way threaded rod. A slide rail is slidably connected to one end face of the lifting arm to improve the lifting stability of the lifting arm. V-shaped openings are made at the bottom of adjacent sides of a pair of clamping seats. The groove allows it to form a line contact with the cylindrical outer surface of the ink roller, increasing friction while reducing damage to the ink roller surface. Sliding blocks are fitted at both ends of the bidirectional threaded rod, allowing adjustment of the distance between the sliding blocks by rotating the bidirectional threaded rod, thereby adjusting the distance between the pair of clamping seats. The output end of a second motor is connected to one end of the bidirectional threaded rod, enabling its electric rotation. A brake foot is connected to one side of the universal wheel to ensure the device remains stable during replacement. This invention effectively achieves rapid adjustment of the ink roller height, facilitating quick positioning and installation of the ink roller, and has high practical value. Attached Figure Description

[0021] Figure 1 This is one of the three-dimensional structural schematic diagrams disclosed in the embodiments of this utility model;

[0022] Figure 2 This is the second three-dimensional structural schematic diagram disclosed in the embodiment of this utility model;

[0023] Figure 3 This is the third perspective structural diagram of the present utility model embodiment;

[0024] Figure 4 This is a disassembled three-dimensional structural diagram of an embodiment of the present utility model;

[0025] Figure 5 The embodiments disclosed herein Figure 2 A magnified schematic diagram of structure A in the middle.

[0026] In the diagram: 100, base plate; 101, caster wheel; 102, column; 103, top frame; 104, height adjustment mechanism; 10401, one-way threaded rod; 10402, lifting arm; 10403, first motor; 10404, slide rail; 10405, retaining seat; 105, frame; 106, clamping seat; 10601, V-groove; 107, distance adjustment mechanism; 10701, two-way threaded rod; 10702, sliding block; 10703, second motor. Detailed Implementation

[0027] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0028] Please see Figures 1-5 This utility model provides a technical solution: a quick ink roller replacement device for a six-color flexographic printing press, including a base plate 100, with casters 101 installed at the four corners of the bottom end of the base plate 100, a column 102 installed on one side of the top end of the base plate 100, a top frame 103 installed on the top end of the column 102, and a height adjustment mechanism 104 connected to the bottom end of the top frame 103. The height adjustment mechanism 104 includes a one-way threaded rod 10401, the top end of the one-way threaded rod 10401 being rotatably connected to the bottom end of the top frame 103, and a retaining seat 10 being rotatably connected to the bottom end of the one-way threaded rod 10401. 405, the bottom end of the retainer 10405 is rotatably connected to the top end of the base plate 100. A lifting arm 10402 is fitted on the outside of the one-way threaded rod 10401. A frame 105 is installed on the bottom end of the lifting arm 10402 on the side away from the one-way threaded rod 10401. Clamping seats 106 are provided on both sides of the bottom end of the frame 105. An adjustment mechanism 107 for adjusting the distance between a pair of clamping seats 106 is provided inside the frame 105. Universal wheels 101 are installed at the four corners of the bottom end of the base plate 100 to realize the overall movement of the device, making it convenient for the device to move closer to or away from the printing machine. The column 102 and the top frame 103 form a support frame. The height adjustment mechanism 104 drives the one-way threaded rod 10401 to rotate through the first motor 10403, which drives the lifting arm 10402 to slide up and down along the slide rail 10404, precisely adjusting the height of the frame 105 to adapt to the installation position of the ink rollers of different printing presses. The distance adjustment mechanism 107 inside the frame 105 drives the two-way threaded rod 10701 through the second motor 10703, which causes the sliding block 10702 to drive the clamping seat 106 to open and close, quickly adapting to the clamping requirements of ink rollers of different diameters.

[0029] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0030] Please see Figures 1-5 A first motor 10403 is installed at the top of the top frame 103. The output end of the first motor 10403 is connected to the top of the one-way threaded rod 10401. A slide rail 10404 is slidably connected to one end face of the lifting arm 10402. One side of the slide rail 10404 is fixedly connected to one side of the top frame 103. V-grooves 10601 are opened at the bottom of adjacent sides of a pair of clamping seats 106. The one-way threaded rod 10401 is electrically rotated by connecting the output end of the first motor 10403 to the top of the one-way threaded rod 10401. The slide rail 10404 is slidably connected to one end face of the lifting arm 10402 to improve the lifting stability of the lifting arm 10402. The V-grooves 10601 opened at the bottom of adjacent sides of a pair of clamping seats 106 make them form line contact with the cylindrical outer surface of the ink roller, increasing the friction while reducing damage to the surface of the ink roller.

[0031] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0032] Please see Figures 1-5The adjusting mechanism 107 includes a bidirectional threaded rod 10701. Both ends of the bidirectional threaded rod 10701 are rotatably connected to the inner end faces of the frame 105. Sliding blocks 10702 are fitted onto both ends of the bidirectional threaded rod 10701. The bottom end of the sliding block 10702 is fixedly connected to the top end of the clamping seat 106. The two sides of the sliding block 10702 are slidably connected to the inner sides of the frame 105. A second motor 10703 is mounted on one end face of the frame 105. The output end of the second motor 10703 is connected to the bidirectional threaded rod 10701. One end is connected to a brake foot plate on one side of the universal wheel 101. Both ends of the bidirectional threaded rod 10701 are fitted with sliding blocks 10702. Rotating the bidirectional threaded rod 10701 adjusts the spacing of the sliding blocks 10702, thereby adjusting the spacing of a pair of clamping seats 106. The output end of the second motor 10703 is connected to one end of the bidirectional threaded rod 10701, enabling the bidirectional threaded rod 10701 to rotate electrically. The brake foot plate connected to one side of the universal wheel 101 ensures that the device remains stable during replacement.

[0033] Specifically, the working principle of this six-color flexographic printing press ink roller quick change device is as follows: When in use, the device can be moved as a whole by means of casters 101 installed at the four corners of the bottom of the base plate 100, which make it convenient for the device to move closer to or away from the printing press. The column 102 and the top frame 103 form a support frame. The height adjustment mechanism 104 drives the one-way threaded rod 10401 to rotate via the first motor 10403, causing the lifting arm 10402 to slide up and down along the slide rail 10404, precisely adjusting the height of the frame 105 to adapt to the installation position of ink rollers of different printing presses. The distance adjustment mechanism 107 inside the frame 105 drives the two-way threaded rod 10701 via the second motor 10703, causing the sliding block 10702 to drive the clamping seat 106 to open and close, quickly adapting to the clamping requirements of ink rollers of different diameters. The output end of the first motor 10403 is connected to the top end of the one-way threaded rod 10401, realizing the electric rotation of the one-way threaded rod 10401. The slide rail 104 is slidably connected to one end face of the lifting arm 10402, improving the lifting stability of the lifting arm 10402. A pair of clamping seats 106 have V-shaped grooves 10601 on their adjacent bottom ends, which form line contact with the cylindrical outer surface of the ink roller, increasing friction while reducing damage to the ink roller surface. Sliding blocks 10702 are fitted at both ends of the bidirectional threaded rod 10701, allowing the spacing of the sliding blocks 10702 to be adjusted by rotating the bidirectional threaded rod 10701, thereby adjusting the spacing of the pair of clamping seats 106. The output end of the second motor 10703 is connected to one end of the bidirectional threaded rod 10701, enabling the bidirectional threaded rod 10701 to rotate electrically. A brake foot is connected to one side of the universal wheel 101 to ensure the device remains stable during replacement. This invention effectively achieves rapid adjustment of the ink roller height, facilitating quick positioning and installation of the ink roller, and has high practical value.

Claims

1. A quick ink roller changing device for a six-color flexographic printing press, characterized in that, The system includes a base plate (100), with casters (101) installed at each of the four corners of the base plate (100). A column (102) is installed on one side of the top of the base plate (100), and a top frame (103) is installed on the top of the column (102). A height adjustment mechanism (104) is connected to the bottom of the top frame (103). The height adjustment mechanism (104) includes a one-way threaded rod (10401), the top of which is rotatably connected to the bottom of the top frame (103). The bottom of the one-way threaded rod (10401) rotates... A retaining seat (10405) is connected to the bottom end of the retaining seat (10405) and the top end of the base plate (100). A lifting arm (10402) is fitted on the outside of the one-way threaded rod (10401). A frame (105) is installed on the bottom end of the lifting arm (10402) on the side away from the one-way threaded rod (10401). Clamping seats (106) are provided on both sides of the bottom end of the frame (105). An adjusting mechanism (107) for adjusting the distance between a pair of clamping seats (106) is provided inside the frame (105).

2. The quick ink roller changing device for a six-color flexographic printing press according to claim 1, characterized in that, The top of the top frame (103) is equipped with a first motor (10403), and the output end of the first motor (10403) is connected to the top of the one-way threaded rod (10401).

3. The quick ink roller changing device for a six-color flexographic printing press according to claim 1, characterized in that, The lifting arm (10402) is slidably connected to a slide rail (10404) at one end, and one side of the slide rail (10404) is fixedly connected to one side of the top frame (103).

4. The quick ink roller changing device for a six-color flexographic printing press according to claim 1, characterized in that, A V-shaped groove (10601) is provided at the bottom of the adjacent sides of a pair of clamping seats (106).

5. The quick ink roller changing device for a six-color flexographic printing press according to claim 1, characterized in that, The adjusting mechanism (107) includes a bidirectional threaded rod (10701), the two ends of which are rotatably connected to the inner end faces of the frame (105). Sliding blocks (10702) are fitted on both ends of the bidirectional threaded rod (10701). The bottom end of the sliding block (10702) is fixedly connected to the top end of the clamping seat (106). The two sides of the sliding block (10702) are slidably connected to the inner two sides of the frame (105).

6. The quick ink roller changing device for a six-color flexographic printing press according to claim 5, characterized in that, A second motor (10703) is mounted on one end face of the frame (105), and the output end of the second motor (10703) is connected to one end of the bidirectional threaded rod (10701).

7. The quick ink roller changing device for a six-color flexographic printing press according to claim 1, characterized in that, A brake foot plate is connected to one side of the omnidirectional wheel (101).