Printing roller for printing

Abstract

The utility model relates to the technical field of printing rollers, in particular to a printing roller for printing, which comprises a mounting rack, bearings I are respectively arranged on two sides of the mounting rack in a penetrating manner, the joint positions of the bearings I and the mounting rack are fixed by welding, and the bearings I are symmetrically distributed along two sides of the mounting rack; and the same roller shaft is arranged in the two bearings I in a penetrating manner. The channel is formed in the roller shaft, the strip-shaped hole is formed in the inner wall of the channel so that the channel can communicate with the inner cavity in the printing roller, water inlet and water outlet can be achieved through the transition connectors at the two ends of the channel, and hot water or cold water can be injected into the channel; the printing roller can be changed into a heating roller or a cooling roller according to actual needs, the transition connector can rotate relative to the roller shaft after actual connection, normal rotation of the printing roller can be prevented from being affected, integrated operation of the printing roller and the roller shaft is achieved, compared with a printing roller with a single function, replacement needs to be conducted during cold and hot printing, time and labor are saved, and working efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to printing roller technical field especially relates to a printing printing roller. BACKGROUND

[0002] Printing roller is a key component in printing machine, is used for transmitting ink, adjusting printing pressure and controlling printing quality. According to different printing process and application field, the structure of printing roller can be different.

[0003] Printing roller passes through the rotation of itself, and ink is transmitted from ink tray or ink groove to printing plate or printing material, and the contact pressure between printing plate or printing material is adjusted, and the printing pressure in printing process is controlled, such as the prior art Chinese patent publication "CN219133535U" provides a printing roller, including mandrel, roller and positioning piece;The roller can be detachably sleeved on the mandrel;The positioning piece includes a positioning disc, a shaft sleeve, an abutment block and a driving member;The positioning disc is slidingly installed on the outer wall of the mandrel and can be relatively fixed with the mandrel;The shaft sleeve is arranged on one side of the positioning disc and is sleeved on the outside of the mandrel;The abutment block is slidingly installed on the side wall of the positioning disc and can abut with the roller;The driving member is arranged on the shaft sleeve and connected with the abutment block. The utility model cooperates with the above-mentioned device, when it is necessary to replace the printing pattern, only the driving member is needed to control the abutment block and the roller to separate, then the roller is replaced, the whole printing roller does not need to be replaced, the replacement rate is effectively improved, and the production cost caused by equipping multiple printing rollers is reduced.

[0004] At present, most of the printing rollers are divided into many types when printing, most of the printing rollers are single for heating or cooling printing, and the printing roller needs to be replaced when different temperature printing switching is needed, which is relatively complicated. UTILITY MODEL CONTENTS

[0005] The utility model aims at solving the above-mentioned shortcomings in the prior art and provides a printing printing roller.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0007] A kind of printing printing roller is designed, including mounting frame, the both sides of mounting frame are respectively penetrated and are provided with bearing one, the connecting position of bearing one and mounting frame is fixed by welding, bearing one is distributed and is set along the both sides of mounting frame symmetry, the inside of two bearing one is penetrated and is provided with same roller shaft, the surface of roller shaft is wrapped with printing roller, and the connecting position of printing roller and roller shaft is fixed by welding;

[0008] The inside of the roller shaft is provided with a channel penetrating through the inside thereof, and the surface of the roller shaft is provided with a strip-shaped hole in communication with the channel; the inside of the printing roller is provided with an inner cavity in communication with the strip-shaped hole;

[0009] The two ends of the roller shaft are respectively provided with transition interfaces, the surface of the transition interface is sleeved with the inner wall of the channel, the outer wall of the transition interface is provided with a sealing ring two, the inner wall of the channel is provided with a sealing ring one, the sealing ring one and the sealing ring two are tightly arranged with each other, and the sealing ring one and the sealing ring two are made of water-swelling rubber material.

[0010] In detail, the side wall of the printing roller is provided with a waste discharge interface penetrating through the side wall, and the connecting position of the waste discharge interface and the printing roller is fixed by welding.

[0011] In detail, the surface of the waste discharge interface is provided with a valve, and the valve core of the valve is embedded in the inside of the waste discharge interface.

[0012] In detail, one side of the mounting frame is provided with a bearing two penetrating through the side, the connecting position of the bearing two and the mounting frame is fixed by welding, the inside of the bearing two is provided with a shaft penetrating through the inside, and the surface of the shaft is in interference fit with the inner wall of the bearing two.

[0013] In detail, the outward end of the shaft is provided with a motor, the outer wall of the motor is fixed to the surface of the mounting frame through a support, the inside of the motor is provided with a driving shaft, and the end of the driving shaft is fixedly and drivably connected to the end of the shaft through a shaft coupling.

[0014] In detail, the end, away from the motor, of the shaft is fixedly provided with a driving gear, the surface of the roller shaft is fixedly sleeved with a linkage gear, and the driving gear and the linkage gear are in meshing arrangement with each other.

[0015] In detail, the roller shaft and the printing roller are both made of stainless steel material, and the surface of the roller shaft is coated with a ceramic coating.

[0016] The design scheme of the utility model has the advantages that, in the application process, the utility model has the advantages that:

[0017] 1. The inside of the roller shaft is provided with a channel, and the inside of the printing roller is provided with an inner cavity in communication with the channel, so that water can be injected into the channel, and the printing roller can be changed into a heating roller or a cooling roller according to actual needs.

[0018] 2、The waste interface is arranged on one side of the printing roller, the water participating in the work can be discharged in the inner cavity after the work is completed, and the aggregation is avoided;

[0019] 3、The motor drives the shaft to rotate, the driving gear is engaged with the linkage gear, and the roller shaft drives the printing roller to stably rotate. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is the overall structure schematic view of the utility model;

[0021] Figure 2 It is the internal structure schematic view of the utility model;

[0022] Figure 3 It is the A place enlarged schematic view of the utility model;

[0023] Figure 4 It is the B place enlarged schematic view of the utility model.

[0024] In the drawing: 1, mounting frame;11, bearing one;12, roller shaft;13, printing roller;14, strip hole;15, inner cavity;16, transition interface;17, sealing ring one;18, sealing ring two;19, channel;2, waste interface;21, valve;3, bearing two;31, shaft;32, motor;33, driving gear;34, linkage gear. DETAILED DESCRIPTION

[0025] The technical scheme in the embodiments of the utility model will be described clearly and completely below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.

[0026] Referring to Figures 1-4 A printing roller for printing, comprising a mounting frame 1, two bearings one 11 are arranged on the two sides of the mounting frame 1 respectively, the connection position of the bearing one 11 and the mounting frame 1 is fixed by welding, the bearing one 11 is arranged symmetrically along the two sides of the mounting frame 1, the same roller shaft 12 is arranged in the two bearings one 11, the surface of the roller shaft 12 is wrapped with a printing roller 13, and the connection position of the printing roller 13 and the roller shaft 12 is fixed by welding;

[0027] The roller shaft 12 is internally provided with a channel 19 penetrating the inside thereof, the surface of the roller shaft 12 is provided with a strip hole 14, the strip hole 14 is in communication with the channel 19, the inner cavity 15 is arranged in the printing roller 13, and the inner cavity 15 is in communication with the strip hole 14.

[0028] The two ends of the roller shaft 12 are respectively provided with transition interfaces 16, the surfaces of the transition interfaces 16 are sleeved with the inner ring walls of the channels 19, the outer ring walls of the transition interfaces 16 are provided with sealing rings two 18, the inner ring walls of the channels 19 are provided with sealing rings one 17, the sealing rings one 17 and the sealing rings two 18 are tightly arranged with each other, and the sealing rings one 17 and the sealing rings two 18 are made of water-swelling rubber material.

[0029] It is further explained that the side wall of the printing roller 13 is provided with a waste discharge interface 2, the waste discharge interface 2 is fixed by welding at the joint position of the printing roller 13, and the waste discharge interface 2 can empty the residual water in the printing roller 13 when the printing roller 13 is not working, so as to avoid the corrosion of the printing roller 13 from the inside.

[0030] It is further explained that the surface of the waste discharge interface 2 is provided with a valve 21, the valve core of the valve 21 is embedded in the inside of the waste discharge interface 2, and the valve 21 can prevent water from flowing out when the inner cavity 15 is supplied with water.

[0031] It is further explained that one side of the mounting frame 1 is provided with a bearing two 3, the bearing two 3 is fixed by welding at the joint position of the mounting frame 1, the inside of the bearing two 3 is provided with a shaft 31, the surface of the shaft 31 is provided in interference fit with the inner ring wall of the bearing two 3, and the shaft 31 can stably rotate relative to the bearing two 3.

[0032] It is further explained that the outward end of the shaft 31 is provided with a motor 32, the outer wall surface of the motor 32 is fixed to the surface of the mounting frame 1 through a support, the inside of the motor 32 is provided with a driving shaft, the end of the driving shaft is fixedly connected with the end of the shaft 31 through a shaft coupling, the motor 32 is a servo motor, and the motor 32 is connected with an external 220V power supply through a wire plug.

[0033] It is further explained that the end of the shaft 31 away from the motor 32 is fixed with a driving gear 33, the surface of the roller shaft 12 is fixedly sleeved with a linkage gear 34, the driving gear 33 and the linkage gear 34 are arranged in meshing with each other, and through the meshing of the driving gear 33 and the linkage gear 34, the printing roller 13 can stably rotate under the condition that the two ends of the printing roller 13 are provided with the transition interfaces 16.

[0034] It is further explained that the roller shaft 12 and the printing roller 13 are both made of stainless steel material, and the surface of the roller shaft 12 is coated with a ceramic coating, so that the stainless steel material has good heat conduction capacity and good corrosion resistance.

[0035] Working mode: by setting the channel 19 in the inside of the roller shaft 12, and setting the strip-shaped hole 14 on the inner wall of the channel 19, which can communicate with the inner cavity 15 in the inside of the printing roller 13, by the transition interface 16 at both ends of the channel 19, the water inlet and outlet can be set respectively, hot water or cold water can be injected into the channel 19, the printing roller 13 can become heating roller or cooling roller according to actual needs, the transition interface 16 can rotate relative to the roller shaft 12 after actual connection, which can avoid affecting the normal rotation of the printing roller 13, realizes the integrated operation of the two, compared with the single function printing roller 13, the cold and hot printing needs to be replaced, which saves time and effort and improves work efficiency.

[0036] The waste interface 2 is arranged on one side of the printing roller 13, which can discharge the water in the inner cavity 15 after work is completed, so that the water is not gathered.

[0037] The rotation of the shaft can drive the shaft rod 31 to rotate through the driving of the motor 32, so that the driving gear 33 is engaged with the linkage gear 34, so that the roller shaft 12 can drive the printing roller 13 to rotate stably.

[0038] The above is only the preferred specific embodiment of the present application, but the protection scope of the present application is not limited to this, any skilled person in the art can replace or change the technical scheme and the application concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A printing roller for printing, comprising a mounting frame (1), characterized in that: Bearing 1 (11) is provided through both sides of the mounting frame (1). The connection between bearing 1 (11) and mounting frame (1) is fixed by welding. Bearing 1 (11) is symmetrically distributed along both sides of mounting frame (1). The same roller shaft (12) is provided through the interior of the two bearing 1 (11). The surface of roller shaft (12) is covered with printing roller (13). The connection between printing roller (13) and roller shaft (12) is fixed by welding. The roller (12) has a channel (19) that runs through it, and the surface of the roller (12) has strip holes (14) that are connected to the channel (19). The printing roller (13) has an inner cavity (15) that is connected to the strip holes (14). The roller (12) is provided with transition interfaces (16) at both ends. The surface of the transition interface (16) is fitted with the inner ring wall of the channel (19). A second sealing ring (18) is provided on the outer ring wall of the transition interface (16). A first sealing ring (17) is provided on the inner ring wall of the channel (19). The first sealing ring (17) and the second sealing ring (18) are tightly fitted together. The first sealing ring (17) and the second sealing ring (18) are made of water-swellable rubber material.

2. A printing roller for printing according to claim 1, characterized in that: Waste discharge interface (2) is provided through the side wall of the printing roller (13), and the connection position between the waste discharge interface (2) and the printing roller (13) is fixed by welding.

3. A printing roller for printing according to claim 2, characterized in that: The surface of the waste discharge port (2) is provided with a valve (21), and the valve core of the valve (21) is embedded inside the waste discharge port (2).

4. A printing roller for printing according to claim 1, characterized in that: A bearing 2 (3) is provided through one side of the mounting bracket (1). The connection between the bearing 2 (3) and the mounting bracket (1) is fixed by welding. A shaft (31) is provided through the inside of the bearing 2 (3). The surface of the shaft (31) is interference-fitted with the inner ring wall of the bearing 2 (3).

5. A printing roller for printing according to claim 4, characterized in that: A motor (32) is provided at the outward end of the shaft (31). The outer wall of the motor (32) is fixed to the surface of the mounting bracket (1) by a bracket. A drive shaft is provided inside the motor (32). The end of the drive shaft is fixedly connected to the end of the shaft (31) by a coupling.

6. A printing roller for printing according to claim 5, characterized in that: The shaft (31) is fixed with a drive gear (33) at the end away from the motor (32), and a linkage gear (34) is fixedly sleeved on the surface of the roller (12). The drive gear (33) and the linkage gear (34) are meshed with each other.

7. A printing roller for printing according to claim 1, characterized in that: Both the roller (12) and the printing roller (13) are made of stainless steel, and the surface of the roller (12) is coated with a ceramic coating.

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