Printing adjusting device of printing machine

By introducing a pressure roller position adjustment and limiting mechanism into the printing press, the problem of interference between the pressure roller and the printing roller during the upward movement of the pressure roller was solved, thereby improving the quality of printed products and the stability of the device.

CN223631194UActive Publication Date: 2025-12-05GUANGDONG YUEAN PRINTING TECH CO LTD
View PDF 1 Cites 0 Cited by

Patent Information

Application Number
CN202520897233.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-05-08
Publication Date
2025-12-05
Estimated Expiration
2035-05-08

AI Technical Summary

Technical Problem

In existing printing presses, the pressure roller is not effectively limited during its upward movement, which causes interference with the printing roller and results in damage to the printed matter.

Method used

A printing press adjustment device is designed, which includes a vertical plate, a printing mechanism, a pressure roller moving mechanism, and a pressure roller position adjustment and limiting mechanism. The pressure roller position adjustment and limiting mechanism limits the top end of the pressure roller to prevent it from interfering with the printing mechanism.

Benefits of technology

It effectively prevents interference between the pressure roller and the printing roller, improving the production quality of printed materials and the stability of the equipment.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223631194U_ABST
    Figure CN223631194U_ABST
Patent Text Reader

Abstract

The utility model discloses a printing adjusting device of a printing machine, which relates to the technical field of printing machines, and comprises two symmetrically distributed vertical plates and a pressure roller body, the lower end of each vertical plate is provided with a mounting mechanism, and the surface of each vertical plate is provided with a placing groove; a printing mechanism, a pressure roller moving mechanism and a pressure roller position adjusting and limiting mechanism are sequentially arranged between the two vertical plates from top to bottom, the mounting mechanism is used for stably mounting the vertical plates, the printing mechanism is used for printing operation, and the pressure roller moving mechanism is used for moving the position of a pressure roller body. The pressure roller position adjusting and limiting mechanism is used for limiting the top end of the pressure roller body. The top end of the pressure roller moving mechanism is limited through the pressure roller position adjusting and limiting mechanism, the phenomenon that the pressure roller moving mechanism and the printing mechanism interfere with each other due to the fact that the pressure roller moving mechanism moves without an upper limit is avoided, and the production quality of printed matter is improved.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to printing machine technical field, concretely is a printing machine printing adjusting device. BACKGROUND

[0002] The printing machine is the machine that prints character and image. Modern printing machine generally comprises the mechanism such as edition, coating ink, impression, paper conveying. The working principle of printing machine is to print the character and image into the edition, and is installed on printing machine, then by hand or printing machine the ink is applied to the edition where there is character and image, is directly or indirectly transferred to paper or other printing material, to copy the same edition with the printing product,;

[0003] Such as the utility model patent with the publication number CN219381910U discloses a printing machine printing pressure adjusting device, including two groups of printing machine support plates, and two groups of printing machine support plates are symmetrically arranged, the lower part of the front and rear ends of printing machine support plate is symmetrically welded with fixed foot plate, the lower part between two groups of printing machine support plates is rotatably connected with bidirectional screw rod, and the left end of bidirectional screw rod penetrates printing machine support plate and is fixedly connected with clutch motor, the inside of printing machine support plate is provided with lifting mechanism, two groups of lifting mechanism are rotatably connected with pressure roller through shaft rod, the outer surface and upper end of bidirectional screw rod are provided with transmission mechanism. It is favorable for adjusting the distance from pressure roller to printing roller, so as to change the pressure between printing roller and pressure roller, and the phenomenon that pressure roller is inclined will not be caused due to different step adjustment, which provides guarantee for the quality of printing, but there is the problem that the sliding block does not carry out substantial limiting during upward movement, which can cause the upward movement of the sliding block to drive the pressure roller to move upward and further interfere with the printing roller, finally leading to the damage of the printing product between the pressure roller and the printing roller. For this reason, we propose a printing machine printing adjustment device. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a printing machine printing adjustment device to solve the problems in the above background.

[0005] To achieve the above object, the utility model provides the following technical scheme: a printing machine printing adjustment device, including two symmetrical vertical boards and pressure roller bodies, the lower end of each vertical board is provided with a mounting mechanism, the surface of each vertical board is provided with a placing groove, the printing mechanism, pressure roller moving mechanism and pressure roller position adjusting limiting mechanism are sequentially arranged between the two vertical boards from top to bottom, the mounting mechanism is used for stable installation of vertical board, the printing mechanism is used for printing operation, the pressure roller moving mechanism is used for position movement of pressure roller body, and the pressure roller position adjusting limiting mechanism is used for limiting the top end of pressure roller body.

[0006] Preferably, the pressure roller position adjusting limiting mechanism comprises two symmetrically distributed third taper plates, second racks are fixedly installed at outer ends of the third taper plates, follow-up gears are connected to lower ends of the second racks in a meshed mode, first racks are connected to lower ends of the follow-up gears in a meshed mode, L-shaped moving plates are fixedly installed at lower ends of the first racks, first taper plates are fixedly installed at inner ends of the L-shaped moving plates, moving strips are fixedly installed at inner ends of the first taper plates, and second taper plates are slidably connected to upper ends of the first taper plates.

[0007] Preferably, a second stepper motor is fixedly installed at a front end of the front vertical plate, a rotating rod is fixedly installed at an output end of the second stepper motor, two symmetrically arranged threaded grooves are formed in an outer end of the rotating rod, two symmetrically arranged moving blocks are threadedly connected to the outer end of the rotating rod, second guide rods are slidably connected to surfaces of the moving blocks, and the second guide rods are fixedly installed between the two vertical plates.

[0008] Preferably, rotating shafts are fixedly installed at two sides of the follow-up gear, side plates are rotatably connected to the rotating shafts through bearings, and the side plates are fixedly installed at front ends of the vertical plates.

[0009] Preferably, the pressure roller moving mechanism comprises a pressure roller body, a follow-up shaft is fixedly installed on a surface of the pressure roller body and penetrates through the pressure roller body, lifting blocks are rotatably connected to front and rear ends of the follow-up shaft through bearings, the lifting blocks are slidably connected to outer ends of placing grooves, first guide rods are slidably connected to upper ends of the lifting blocks and are fixedly installed on inner walls of the placing grooves, two symmetrically arranged springs are fixedly installed on the lifting blocks, lower ends of the springs are fixedly installed on the placing grooves, the springs are sleeved on the first guide rods, and a second taper plate is fixedly installed on a lower end of the lifting block.

[0010] Preferably, the printing mechanism comprises a first stepper motor, the first stepper motor is fixedly installed at an outer end of the front vertical plate, a rotating shaft is fixedly installed at an output end of the first stepper motor, a printing roller is fixedly installed at an outer end of the rotating shaft, and the rotating shaft is rotatably connected to the vertical plate through a bearing.

[0011] Preferably, the mounting mechanism comprises a support plate, the support plate is fixedly installed on the vertical plate, and two symmetrically arranged mounting holes are formed in an upper end of the support plate.

[0012] Preferably, a pushing plate is fixedly installed at an upper end of the second rack, a third guide rod is fixedly installed at a rear end of the pushing plate, an L-shaped fixed plate is slidably connected to an outer end of the third guide rod, and the L-shaped fixed plate is fixedly installed on the vertical plate.

[0013] Compared with the prior art, the printing device has the following beneficial effects:

[0014] 1. The utility model discloses a pressure roller position adjusting limiting mechanism is prevented to the top limiting action of pressure roller moving mechanism to the pressure roller moving mechanism and the printing mechanism produce the mutual interference phenomenon of no upper limit movement of pressure roller moving mechanism, improved the printing product production quality.

[0015] 2. The utility model discloses through installing mechanism can with vertical board, printing mechanism, pressure roller moving mechanism and pressure roller position adjusting limiting mechanism carry out stable support action, improved the stability of device. ACCURACY OF DRAWINGS

[0016] Figure 1 It is the whole structure schematic diagram of the utility model;

[0017] Figure 2 It is pressure roller position adjusting limiting mechanism sectional structure schematic diagram of the utility model;

[0018] Figure 3 It is the utility model Figure 2 A part structure enlarged view of the utility model;

[0019] Figure 4 It is pressure roller moving mechanism structure schematic diagram of the utility model;

[0020] Figure 5 It is printing mechanism structure schematic diagram of the utility model;

[0021] Figure 6 It is installing mechanism structure schematic diagram of the utility model.

[0022] In the drawing: 1, vertical board;2, installing mechanism;21, support plate;22, mounting hole;3, placing groove;4, printing mechanism;41, first stepper motor;42, rotating shaft;43, printing roller;5, pressure roller moving mechanism;51, pressure roller body;52, follow-up shaft;53, lifting block;54, first guide rod;55, spring;6, pressure roller position adjusting limiting mechanism;61, second stepper motor;62, rotating rod;63, moving block;64, second guide rod;65, moving strip;66, first conical plate;67, second conical plate;68, L-shaped moving plate;69, first rack;610, follow-up gear;611, rotating shaft;612, side plate;613, second rack;614, third conical plate;615, push plate;616, third guide rod;617, L-shaped fixed plate. DETAILED DESCRIPTION

[0023] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.

[0024] Please refer to Figures 1-6 The present application provides a technical scheme: a printing machine printing adjusting device, comprising two symmetrical vertical plates 1 and a pressure roller body 51, each vertical plate 1 is provided with a mounting mechanism 2 at the lower end, and each vertical plate 1 is provided with a placing groove 3 on the surface, a printing mechanism 4, a pressure roller moving mechanism 5 and a pressure roller position adjusting limiting mechanism 6 are sequentially arranged between the two vertical plates 1 from top to bottom, the mounting mechanism 2 is used for stable installation of the vertical plate 1, the printing mechanism 4 is used for printing operation, the pressure roller moving mechanism 5 is used for position movement of the pressure roller body 51, and the pressure roller position adjusting limiting mechanism 6 is used for limiting the top end of the pressure roller body 51.

[0025] In the embodiment, the pressure roller position adjusting limiting mechanism 6 comprises two symmetrical third tapered plates 614, the outer end of the third tapered plate 614 is fixedly installed with a second rack 613, the lower end of the second rack 613 is meshingly connected with a follow-up gear 610, the lower end of the follow-up gear 610 is meshingly connected with a first rack 69, the lower end of the first rack 69 is fixedly installed with an L-shaped moving plate 68, the inner end of the L-shaped moving plate 68 is fixedly installed with a first tapered plate 66, the inner end of the first tapered plate 66 is fixedly installed with a moving strip 65, and the upper end of the first tapered plate 66 is slidingly connected with a second tapered plate 67.

[0026] Specifically, the moving strip 65 drives the first tapered plate 66 to move, the first tapered plate 66 drives the second tapered plate 67 to move upwards, the first tapered plate 66 also drives the L-shaped moving plate 68 to move and further drives the first rack 69 to move outward, the first rack 69 drives the follow-up gear 610 to rotate, and the follow-up gear 610 drives the second rack 613 to move and further drives the third tapered plate 614 to move.

[0027] In the embodiment, the front end of the front vertical plate 1 is fixedly installed with a second stepper motor 61, the output end of the second stepper motor 61 is fixedly installed with a rotating rod 62, two symmetrically arranged threaded grooves are formed in the outer end of the rotating rod 62, two symmetrically arranged moving blocks 63 are threadedly connected to the outer end of the rotating rod 62, a second guide rod 64 is slidingly connected to the surface of each moving block 63, and the second guide rod 64 is fixedly installed between the two vertical plates 1. The moving strip 65 is fixedly installed at the upper end of each moving block 63.

[0028] Specifically, the second stepper motor 61 is started, the output end of the second stepper motor 61 drives the rotating rod 62 to rotate, the rotating rod 62 drives the moving block 63 to move away from each other, the moving block 63 slides relative to the second guide rod 64, and the moving block 63 drives the moving strip 65 to move.

[0029] In the embodiment, the two sides of the follow-up gear 610 are fixedly installed with rotating shafts 611, the outer ends of the rotating shafts 611 are rotatably connected with side plates 612 through bearings, and the side plates 612 are fixedly installed on the front end vertical plate 1.

[0030] Specifically, the follow-up gear 610 drives the rotating shaft 611 to rotate, so as to improve the stability of the follow-up gear 610 during rotation.

[0031] In the embodiment, the pressure roller moving mechanism 5 includes a pressure roller body 51, a follow-up shaft 52 is fixedly installed on the surface of the pressure roller body 51 and penetrates through the pressure roller body 51, lifting blocks 53 are rotatably connected with the front and rear ends of the follow-up shaft 52 through bearings, the outer ends of the lifting blocks 53 are slidably connected with the placing groove 3, the upper end of the lifting block 53 penetrates and slidably connects with a first guide rod 54, the first guide rod 54 is fixedly installed on the inner wall of the placing groove 3, two symmetrically arranged springs 55 are fixedly installed on the lower end of the lifting block 53 and the lower end of the spring 55 is fixedly installed on the placing groove 3, the spring 55 is sleeved on the first guide rod 54, and a second tapered plate 67 is fixedly installed on the lower end of the lifting block 53.

[0032] Specifically, during the movement of the second tapered plate 67, the second tapered plate 67 drives the lifting block 53 to move upwards, the lifting block 53 drives the follow-up shaft 52 and the pressure roller body 51 to move upwards, the lifting block 53 slides relative to the first guide rod 54, and the spring 55 is stretched.

[0033] In the embodiment, the printing mechanism 4 includes a first stepper motor 41, the first stepper motor 41 is fixedly installed on the outer end of the front vertical plate 1, a rotating shaft 42 is fixedly installed on the output end of the first stepper motor 41, a printing roller 43 is fixedly installed on the outer end of the rotating shaft 42, and the outer end of the rotating shaft 42 is rotatably connected with the vertical plate 1 through a bearing.

[0034] Specifically, the first stepper motor 41 is started, the output end of the first stepper motor 41 drives the rotating shaft 42 to rotate, and the rotating shaft 42 drives the printing roller 43 to rotate.

[0035] In the embodiment, the mounting mechanism 2 includes a support plate 21, the support plate 21 is fixedly installed on the vertical plate 1, and two symmetrically arranged mounting holes 22 are formed in the upper end of the support plate 21.

[0036] Specifically, the mounting mechanism 2 can improve the stability of the vertical plate 1, the printing mechanism 4, the pressure roller moving mechanism 5, and the pressure roller position adjusting and limiting mechanism 6.

[0037] In the embodiment, the upper end of the second rack 613 is fixedly installed with a pushing plate 615, the rear end of the pushing plate 615 is fixedly installed with a third guide rod 616, the outer end of the third guide rod 616 is slidably connected with an L-shaped fixed plate 617, and the inner end of the L-shaped fixed plate 617 is fixedly installed with the vertical plate 1.

[0038] Specifically, the second rack 613 drives the pushing plate 615 and the third guide rod 616 to move, and the third guide rod 616 and the L-shaped fixed plate 617 slide relative to each other.

[0039] Working principle: in use, the second stepper motor 61 is started, the output end of the second stepper motor 61 drives the rotating rod 62 to rotate, the rotating rod 62 drives the moving block 63 to move away from each other, the moving block 63 and the second guide rod 64 slide relative to each other, the moving block 63 drives the moving strip 65 to move and in turn drives the first conical plate 66 to move, the first conical plate 66 drives the second conical plate 67 to move upwards, the second conical plate 67 drives the lifting block 53 to move upwards, at this time, the lifting block 53 and the first guide rod 54 slide relative to each other, at this time, the spring 55 is stretched, the first conical plate 66 drives the L-shaped moving plate 68 to move outward, the L-shaped moving plate 68 drives the first rack 69 to move outward, the first rack 69 drives the driven gear 610 to rotate and in turn drives the rotating shaft 611 to rotate, the driven gear 610 drives the second rack 613 to move and in turn drives the third conical plate 614 to move, after the third conical plate 614 moves into the placing groove 3, the distance of the upper movement of the pressure roller body 51 can be limited.

[0040] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A printing press printing adjustment device comprising two vertically arranged symmetrical uprights (1) and a pressure roller body (51), characterized in that: Each of the vertical plate (1) lower end is provided with installation mechanism (2), each of the vertical plate (1) surface is provided with placement slot (3), two the vertical plate (1) between from top to bottom are sequentially provided with printing mechanism (4), pressure roller moving mechanism (5) and pressure roller position adjusting limiting mechanism (6), the installation mechanism (2) is used for vertical plate (1) stable installation, the printing mechanism (4) is used for printing operation, the pressure roller moving mechanism (5) is used for pressure roller body (51) position movement, the pressure roller position adjusting limiting mechanism (6) is used for pressure roller body (51) top end limiting.

2. A printing press print adjustment device according to claim 1, characterised in that: The pressure roller position adjusting limiting mechanism (6) includes two symmetrical third taper plates (614), the third taper plate (614) outer end is fixedly installed with second rack (613), the second rack (613) lower end is engaged with follow-up gear (610), the follow-up gear (610) lower end is engaged with first rack (69), the first rack (69) lower end is fixedly installed with L-shaped moving plate (68), the L-shaped moving plate (68) inner end is fixedly installed with first taper plate (66), the first taper plate (66) inner end is fixedly installed with moving strip (65), the first taper plate (66) upper end is slidably connected with second taper plate (67).

3. A printing press print adjustment device according to claim 2, characterised in that: The front side vertical plate (1) front end is fixedly installed with second stepper motor (61), the second stepper motor (61) output end is fixedly installed with rotating rod (62) and rotating rod (62) outer end is provided with two symmetrical screw grooves, the rotating rod (62) outer end is threadedly connected with two symmetrical moving blocks (63), the moving block (63) surface is slidably connected with second guide rod (64), the second guide rod (64) is fixedly installed between two vertical plates (1), each moving block (63) upper end is fixedly installed with moving strip (65).

4. A printing press print adjustment apparatus according to claim 2, wherein: The follow-up gear (610) both sides are fixedly installed with rotating shaft (611), the rotating shaft (611) outer end is rotatably connected with side plate (612) through bearing and the side plate (612) is fixedly installed front vertical plate (1).

5. A printing press print adjustment apparatus according to claim 2, wherein: The pressure roller moving mechanism (5) includes pressure roller body (51), the pressure roller body (51) surface is fixedly installed with follow-up shaft (52) and the follow-up shaft (52) penetrates the pressure roller body (51), the follow-up shaft (52) front and rear ends are rotatably connected with lifting block (53) through bearing and the lifting block (53) outer end is slidably connected with placement slot (3), the lifting block (53) upper end is slidably connected with first guide rod (54) and the first guide rod (54) is fixedly installed in the inner wall of placement slot (3), the lifting block (53) lower end is fixedly installed with two symmetrical springs (55) and the spring (55) lower end is fixedly installed in placement slot (3), the spring (55) is sleeved with first guide rod (54), the lifting block (53) lower end middle part is fixedly installed with second taper plate (67).

6. A printing press print adjustment apparatus as claimed in claim 1, wherein: The printing mechanism (4) comprises a first stepper motor (41), the first stepper motor (41) is fixedly installed on the outer end of the front vertical plate (1), the output end of the first stepper motor (41) is fixedly installed with a rotating shaft (42), the outer end of the rotating shaft (42) is fixedly installed with a printing roller (43), and the outer end of the rotating shaft (42) is rotatably connected with the vertical plate (1) through a bearing.

7. A printing press print adjustment apparatus as claimed in claim 1, wherein: The mounting mechanism (2) comprises a supporting plate (21), the supporting plate (21) is fixedly installed on the vertical plate (1), and two symmetrically arranged mounting holes (22) are formed in the upper end of the supporting plate (21).

8. A printing press print adjustment apparatus according to claim 2, wherein: The second rack (613) is fixedly installed with a push plate (615) at the upper end, the push plate (615) is fixedly installed with a third guide rod (616) at the rear end, the outer end of the third guide rod (616) is slidably connected with an L-shaped fixed plate (617), and the inner end of the L-shaped fixed plate (617) is fixedly installed with the vertical plate (1).

Citation Information

Patent Citations

  • Printing pressure adjusting device of printing machine

    CN219381910U