Gravure printing roller replacing mechanism of gravure printing machine

By designing an automated gravure plate roller replacement mechanism on the gravure printing press and utilizing components such as clamping plates, connecting plates, and reduction motors, the problems of laborious installation and inaccurate positioning of the gravure plate roller are solved, thus achieving a convenient and efficient plate roller replacement process.

CN223443123UActive Publication Date: 2025-10-17HANGZHOU FEIMO DECORATION MATERIALS CO LTD
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Patent Information

Application Number
CN202422914977.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-28
Publication Date
2025-10-17
Estimated Expiration
2034-11-28

AI Technical Summary

Technical Problem

The existing gravure plate roller replacement mechanism lacks a suitable lifting device during installation and removal, resulting in operators having to rely on manual handling and adjustment, which is laborious and prone to inaccurate positioning.

Method used

A gravure plate roller replacement mechanism for a gravure printing press was designed. The mechanism used components such as a clamping plate, a connecting plate, a support frame, and a reduction motor. The mechanism achieved automatic clamping, position adjustment, and height adjustment of the plate roller through the cooperation of a bidirectional threaded rod and a unidirectional threaded rod, and the universal wheel was used to increase the convenience of movement.

Benefits of technology

The gravure printing plate roller can be conveniently installed and disassembled, the installation accuracy is improved, the manpower consumption is reduced, and the replacement time is shortened.

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Abstract

The utility model discloses a gravure plate roller replacing mechanism of a gravure printing machine, belongs to the technical field of gravure printing machines, solves the problem that a gravure plate roller is inconvenient to install, and comprises a gravure plate roller body, an adjusting mechanism is attached to the outer surface of the gravure plate roller body, and the outer surface of the adjusting mechanism is fixedly connected with an installing mechanism. The mounting mechanism comprises a clamping plate attached to the outer surface of the gravure roller body, a rotating shaft is fixedly connected to the outer surface of the clamping plate, the rotating shaft is rotationally connected with a supporting frame, and a connecting frame is hinged to the outer surface of the clamping plate. The position of the supporting base can be conveniently adjusted through universal wheels, a second gear motor is started, an output shaft of the second gear motor drives a one-way threaded rod to rotate, and the one-way threaded rod rotates to drive a connecting rod to slide on the outer surface of the supporting base, so that a supporting frame slides on the inner side face of a limiting through hole; and therefore, the mounting height of the gravure roller body can be conveniently adjusted.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of gravure printing machine, especially relates to a gravure printing machine's gravure roll replacement mechanism. BACKGROUND

[0002] As an important printing technology, gravure printing is widely used in packaging, publishing, decoration and many other fields. With the continuous improvement of market demand for the quality and diversity of printed matter, the gravure printing industry has developed rapidly. In the field of packaging printing, high-quality gravure printing can provide exquisite appearance packaging for products and enhance the market competitiveness of products. For example, in the packaging of food, cosmetics and pharmaceutical industries, the exquisite patterns and colors of gravure printing can attract the attention of consumers and also convey product information and brand image, so it is necessary to replace and adjust the gravure roll of the gravure printing machine.

[0003] The existing gravure roll replacement mechanism does not have a suitable lifting device to assist in installing the roll to the correct position when installing and dismounting the roll. The operator needs to rely on manual labor to carry and adjust the position of the roll, which is not only laborious but also prone to inaccurate installation position, further prolonging the replacement time, so there is a problem that it is not convenient to install the gravure roll. UTILITY MODEL CONTENT

[0004] (I) Technical problem solved

[0005] In view of the problems existing in the prior art, the utility model provides a gravure roll replacement mechanism of a gravure printing machine.

[0006] (II) Technical scheme

[0007] In order to achieve the above purpose, the utility model is realized by the following technical scheme: a gravure roll replacement mechanism of a gravure printing machine, including gravure roll body, the outer surface of the gravure roll body is attached with adjusting mechanism, the outer surface of the adjusting mechanism is fixedly connected with mounting mechanism, the mounting mechanism includes clamping plate attached to the outer surface of the gravure roll body, the outer surface of the clamping plate is fixedly connected with rotating shaft, the rotating shaft is rotatably connected with support frame, and the outer surface of the clamping plate is hingedly connected with connecting frame, the other end of the connecting frame is hingedly connected with connecting plate, the adjusting mechanism includes connecting rod fixedly connected to the outer surface of the support frame, the outer surface of the connecting rod is slidably connected with support base, and the outer surface of the support base is provided with limiting through hole.

[0008] A preferred scheme of the recess printing plate roller replacement mechanism of the intaglio printing machine, wherein the inner wall of the support frame is fixedly connected with a first speed reducer motor, the output shaft of the first speed reducer motor is fixedly connected with a bidirectional threaded rod, and the outer surface of the bidirectional threaded rod is slidably connected with the outer surface of the connecting plate.

[0009] By adopting the above technical scheme, the connecting plate is driven by the bidirectional threaded rod to slide on the inner side surface of the support frame, so that the angle of the clamping plate is adjusted.

[0010] As a preferred scheme of the recess printing plate roller replacement mechanism of the intaglio printing machine, the outer surfaces of the connecting plate and the clamping plate are slidably connected to the inner side surface of the support frame.

[0011] By adopting the above technical scheme, the connecting plate and the clamping plate slide on the inner side surface of the support frame, and then the connecting frame and the clamping plate are conveniently stored in the support frame, and the support frame is conveniently slid out from the lower surface of the intaglio printing plate roller body.

[0012] As a preferred scheme of the recess printing plate roller replacement mechanism of the intaglio printing machine, the lower surface of the support base is fixedly connected with universal wheels at four corners, and the upper surface of the support base is fixedly connected with a counterweight.

[0013] By adopting the above technical scheme, the position of the support base and the intaglio printing plate roller body is conveniently adjusted by the universal wheels, and then the intaglio printing plate roller body is conveniently transported, and the stability of the support base is conveniently increased by the counterweight.

[0014] As a preferred scheme of the recess printing plate roller replacement mechanism of the intaglio printing machine, the outer surface of the support base is fixedly connected with a second speed reducer motor, the output shaft of the second speed reducer motor is fixedly connected with a unidirectional threaded rod, and the outer surface of the unidirectional threaded rod is threadedly connected with the outer surface of the connecting rod.

[0015] By adopting the above technical scheme, the second speed reducer motor is started, the output shaft of the second speed reducer motor drives the unidirectional threaded rod to rotate, the unidirectional threaded rod drives the connecting rod to move along the direction of the limiting through hole, and the height of the intaglio printing plate roller body is conveniently adjusted.

[0016] As a preferred scheme of the recess printing plate roller replacement mechanism of the intaglio printing machine, the outer surface of the support base is slidably connected with a triangular rod, and the outer surface of the triangular rod is fixedly connected to the lower surface of the support frame.

[0017] By adopting the above technical scheme, the support strength of the support frame is conveniently increased by the triangular rod.

[0018] (III) Beneficial Effects

[0019] The utility model provides a concave printing plate roller replacement mechanism of gravure press. Possess following beneficial effect:

[0020] 1. through starting first reduction motor, make the outer surface of connecting plate push connection frame rotation, and connection frame rotation drives clamping plate rotation, and then conveniently the outer surface of gravure printing plate roller body is clamped and is limited, when installing good gravure printing plate roller body, through starting first reduction motor makes two groups of connecting plates mutually far away, and then make connection frame drive clamping plate rotate to the inner side surface of support frame, convenient to store connection frame and clamping plate to the inner side surface of support frame, and then pull support base can separate support frame and gravure printing plate roller body.

[0021] 2. through universal wheel convenient adjustment support base's position, starting second reduction motor, and the output shaft of second reduction motor drives unidirectional screw rod rotation, and unidirectional screw rod rotation drives connecting rod slide on the outer surface of support base, make support frame slide on the inner side surface of limit through hole, and then conveniently adjust the installation height of gravure printing plate roller body. BRIEF DESCRIPTION OF DRAWINGS

[0022] In order to more clearly illustrate the technical scheme in the embodiment of the utility model, the following will be briefly introduced the drawing needed to be used in the embodiment description, obviously, the drawing in the following description only some embodiments of the utility model, for those skilled in the art, under the premise of not paying creative labor, still can obtain other drawings according to these drawings.

[0023] Figure 1 It is the overall structure schematic diagram of the utility model;

[0024] Figure 2 It is the overall front cross section structure schematic diagram of the utility model;

[0025] Figure 3 It is the overall side cross section structure schematic diagram of the utility model;

[0026] Figure 4 It is the overall overhead cross section structure schematic diagram of the utility model.

[0027] In the drawing, 1, gravure printing plate roller body;2, installation mechanism;201, first reduction motor;202, clamping plate;203, connection frame;204, connecting plate;205, support frame;206, bidirectional screw rod;207, rotating shaft;3, adjusting mechanism;301, universal wheel;302, second reduction motor;303, limit through hole;304, unidirectional screw rod;305, connecting rod;306, triangular rod;307, support base. DETAILED DESCRIPTION

[0028] The technical scheme in the embodiments of the utility model will be apparently and completely described below with reference to the drawings in the embodiments of the utility model.

[0029] Embodiment 1

[0030] With reference to Figure 1 , Figure 2 , Figure 3 and Figure 4 , the first embodiment of the utility model provides a gravure printing machine's gravure roller replacement mechanism, including gravure roller body 1, the outer surface of gravure roller body 1 is attached with adjusting mechanism 3, the outer surface of adjusting mechanism 3 is fixedly connected with mounting mechanism 2, and mounting mechanism 2 includes the clamping plate 202 attached to the outer surface of gravure roller body 1, the outer surface of clamping plate 202 is fixedly connected with rotating shaft 207, rotating shaft 207 is rotatably connected with support frame 205, and the outer surface of clamping plate 202 is hingedly connected with connecting frame 203, and the other end of connecting frame 203 is hingedly connected with connecting plate 204.

[0031] Specifically, the inner wall of support frame 205 is fixedly connected with first speed reducer 201, the output shaft of first speed reducer 201 is fixedly connected with bidirectional screw rod 206, the outer surface of bidirectional screw rod 206 is slidably connected with the outer surface of connecting plate 204, and the outer surfaces of connecting plate 204 and clamping plate 202 are slidably connected to the inner side of support frame 205.

[0032] Further, by placing gravure roller body 1 between the two groups of rotating shafts 207, then starting first speed reducer 201, the outer surface of connecting plate 204 pushes connecting frame 203 to rotate, connecting frame 203 drives clamping plate 202 to rotate, and then the outer surface of gravure roller body 1 is conveniently clamped and limited, when gravure roller body 1 is installed, by starting first speed reducer 201, the two connecting plates 204 are away from each other, and then connecting frame 203 drives clamping plate 202 to rotate to the inner side of support frame 205, so that connecting frame 203 and clamping plate 202 are conveniently stored to the inner side of support frame 205, and then pulling support base 307 can separate support frame 205 and gravure roller body 1.

[0033] Embodiment 2

[0034] With reference to Figure 1 , Figure 2 , Figure 3 and Figure 4 , the second embodiment of the utility model is based on the previous embodiment, adjusting mechanism 3 includes connecting rod 305 fixedly connected to the outer surface of support frame 205, connecting rod 305 is slidably connected with support base 307 on the outer surface, and limit through hole 303 is formed in the outer surface of support base 307.

[0035] The lower surface of the support base 307 is fixedly connected with universal wheels 301 at four corners, and the upper surface of the support base 307 is fixedly connected with a counterweight, the outer surface of the support base 307 is fixedly connected with a second speed reducer 302, the output shaft of the second speed reducer 302 is fixedly connected with a one-way threaded rod 304, the outer surface of the one-way threaded rod 304 is threadedly connected with the outer surface of a connecting rod 305, and the outer surface of the support base 307 is slidably connected with a triangular rod 306, and the outer surface of the triangular rod 306 is fixedly connected to the lower surface of the support frame 205.

[0036] Further, the position of the support base 307 is adjusted by the universal wheels 301, the second speed reducer 302 is started, the output shaft of the second speed reducer 302 drives the one-way threaded rod 304 to rotate, the one-way threaded rod 304 drives the connecting rod 305 to slide on the outer surface of the support base 307, the support frame 205 slides on the inner side of the limiting through hole 303, and the installation height of the gravure roller body 1 is adjusted.

[0037] Working principle: the gravure roller body 1 is placed between the two groups of rotating shafts 207, then the first speed reducer 201 is started, the output shaft of the first speed reducer 201 drives the bidirectional threaded rod 206 to rotate, the bidirectional threaded rod 206 drives the two groups of connecting plates 204 to move close to each other, the outer surface of the connecting plate 204 drives the connecting frame 203 to rotate, the connecting frame 203 drives the clamping plate 202 to rotate, the outer surface of the clamping plate 202 and the outer surface of the gravure roller body 1 are attached, the outer surface of the clamping plate 202 is clamped and limited, then the position of the support base 307 is adjusted by the universal wheels 301, the second speed reducer 302 is started, the output shaft of the second speed reducer 302 drives the one-way threaded rod 304 to rotate, the one-way threaded rod 304 drives the connecting rod 305 to slide on the outer surface of the support base 307, the support frame 205 slides on the inner side of the limiting through hole 303, and the installation height of the gravure roller body 1 is adjusted, when the gravure roller body 1 is installed, the two groups of connecting plates 204 are moved away from each other by starting the first speed reducer 201, the connecting frame 203 drives the clamping plate 202 to rotate to the inner side of the support frame 205, the connecting frame 203 and the clamping plate 202 are accommodated to the inner side of the support frame 205, and the support base 307 is pulled to separate the support frame 205 and the gravure roller body 1.

[0038] It should be noted that, in this text, relational terms such as first and second are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations.

Claims

1. A gravure plate roller replacement mechanism for a gravure printing press, comprising a gravure plate roller body (1), characterized in that: The outer surface of the gravure printing plate roller body (1) is attached with an adjustment mechanism (3), and the outer surface of the adjustment mechanism (3) is fixedly connected with a mounting mechanism (2); The mounting mechanism (2) comprises a clamping plate (202) attached to the outer surface of the gravure plate roller body (1); the outer surface of the clamping plate (202) is fixedly connected to a rotating shaft (207); the rotating shaft (207) is rotatably connected to a supporting frame (205); the outer surface of the clamping plate (202) is hinged to a connecting frame (203); the other end of the connecting frame (203) is hinged to a connecting plate (204); The adjustment mechanism (3) comprises a connecting rod (305) fixedly connected to the outer surface of the support frame (205); a sliding rod on the outer surface of the connecting rod (305) is connected to a support base (307); and a limiting through hole (303) is provided on the outer surface of the support base (307).

2. The gravure plate roller replacement mechanism of a gravure printing press according to claim 1, characterized in that: The inner wall of the support frame (205) is fixedly connected to a first reduction motor (201), the output shaft of the first reduction motor (201) is fixedly connected to a bidirectional threaded rod (206), and the outer surface of the bidirectional threaded rod (206) is slidably connected to the outer surface of the connecting plate (204).

3. The gravure plate roller replacement mechanism of a gravure printing press according to claim 2, characterized in that: The outer surfaces of the connecting plate (204) and the clamping plate (202) are both slidably connected to the inner side surface of the supporting frame (205).

4. The gravure plate roller replacement mechanism of a gravure printing press according to claim 3, characterized in that: Universal wheels (301) are fixedly connected at the four corners of the lower surface of the support base (307), and a counterweight is fixedly connected to the upper surface of the support base (307).

5. The gravure plate roller replacement mechanism of a gravure printing press according to claim 4, characterized in that: The outer surface of the support base (307) is fixedly connected to a second reduction motor (302), the output shaft of the second reduction motor (302) is fixedly connected to a one-way threaded rod (304), and the outer surface of the one-way threaded rod (304) is threadedly connected to the outer surface of the connecting rod (305).

6. The gravure plate roller replacement mechanism of a gravure printing press according to claim 1, characterized in that: The outer surface of the support base (307) is slidably connected to a triangular rod (306), and the outer surface of the triangular rod (306) is fixedly connected to the lower surface of the support frame (205).