CN219139644U

CN219139644U - Micro-concave roller transmission device and coating machine

Info

Publication number: CN219139644U
Application number: CN202222748539.8U
Authority: CN
Inventors: 唐皞; 张宇航; 杨开福; 金骋; 李学法; 张国平
Original assignee: Jiangyin Nali New Material Technology Co Ltd
Current assignee: Jiangyin Nali New Material Technology Co Ltd
Priority date: 2022-10-18
Filing date: 2022-10-18
Publication date: 2023-06-06
Anticipated expiration: 2032-10-18

Abstract

The utility model relates to a micro-concave roller transmission device and a coating machine, comprising a motor, a coupler and a micro-concave roller, wherein the micro-concave roller is connected with the motor through the coupler, and the coupler comprises a first coupler and a second coupler which are connected through a fixing unit; the first coupler is connected with the motor and the fixing unit, and the second coupler is connected with the fixing unit and the micro-concave roller. The fixing unit comprises a connecting shaft, a fixing shell and a bearing, wherein two ends of the connecting shaft are respectively connected with the first coupler and the second coupler, the fixing shell is fixedly connected with a mounting base of the micro-concave roller transmission device, the bearing is sleeved on the connecting shaft, and the connecting shaft is rotatably connected with the fixing shell through the bearing. The double shaft couplings and the fixing device arranged in the middle of the double shaft couplings reduce the direct vibration transmission of motor vibration to the micro-concave roller, reduce the condition that lines are generated on a coated product, and improve the coating efficiency; meanwhile, through the fixing effect of the fixing unit, the stability of the micro-concave roller is improved, and the coating effect is improved.

Description

Micro-concave roller transmission device and coating machine

Technical Field

The utility model belongs to the technical field of coating mechanisms, and particularly relates to a micro-concave roller transmission device and a coating machine.

Background

Gravure coating is a relatively popular coating method in which a gravure roll having a gravure screen on its surface is rotated in a hopper so that the coating fills the gravure screen of the gravure roll, the substrate is in tangential contact with the rotating gravure roll, and the substrate is moved against the gravure roll so that the coating is transferred to the substrate.

The conventional power transmission structure of the micro gravure roll is to directly connect a motor with the micro gravure roll through a coupling, so that power transmission is realized, as shown in fig. 1. The micro gravure roller is simple in installation structure, but has high requirements on motor installation accuracy, if the coaxiality of a motor shaft and the micro gravure roller is out of tolerance, the micro gravure roller can vibrate, lines can be generated during product coating, material waste is caused, and the motor also has certain vibration and certain influence on the coated product.

Disclosure of Invention

The utility model aims to provide a micro-concave roller transmission device aiming at the defects of the prior art so as to solve the technical problems in the background art.

In order to achieve the above purpose, the utility model discloses a micro-concave roller transmission device, which comprises a motor, a coupler and a micro-concave roller, wherein the micro-concave roller is connected with the motor through the coupler, the coupler comprises a first coupler and a second coupler, and the first coupler and the second coupler are connected through a fixing unit; the first coupler is connected with the motor and the fixing unit, and the second coupler is connected with the fixing unit and the micro-concave roller.

In one aspect, the fixing unit includes a connection shaft, and both ends of the connection shaft are connected with the first coupling and the second coupling, respectively. The motor mounting precision can be reduced through the fixing unit, and vibration caused by the motor is reduced, so that the power effect of the micro-concave roller is effectively ensured.

In one scheme, the fixed unit further comprises a fixed shell and a bearing, wherein the fixed shell is fixedly connected with a mounting base of the micro-concave roller transmission device, the bearing is sleeved on the connecting shaft, and the connecting shaft is rotatably connected with the fixed shell through the bearing.

In one aspect, the fixing unit includes a first bearing, a first fixing housing, a second bearing, a second fixing housing, and a connection shaft connected with the first fixing housing through the first bearing, and the connection shaft connected with the second fixing housing through the second bearing. Divide into first fixed shell and the fixed shell of second with fixed shell, under the condition of effectively guaranteeing the power transmission effect, reduce the transmission of vibrations through the setting of two fixed shells to improve the stability of connecting axle.

In one aspect, the first coupling is a universal coupling.

In one aspect, the second coupling is an elastic coupling.

In one scheme, the device further comprises a connecting unit, and the second coupler is connected with the micro concave roller through the connecting unit.

In one aspect, the connection unit includes a bearing, and the micro gravure roll is connected with the connection unit through the bearing.

The utility model also provides a coating machine which comprises the micro-concave roller transmission device.

Compared with the prior art, the slit adjustable device has the following advantages:

1. the stability of the micro-concave roller is improved. The double shaft couplings and the fixing device arranged in the middle of the double shaft couplings reduce the direct vibration transmission of motor vibration to the micro-concave roller, reduce the condition that the coated product generates lines, and further improve the coating efficiency; meanwhile, through the fixing effect of the fixing unit, the stability of the micro-concave roller is improved, and the coating effect is improved.

2. The installation is convenient. Due to the arrangement of the double couplings, only the relative positions of the fixing device and the connecting unit are required to be reasonably arranged, and the relative positions of the motor and the connecting unit are not required to be arranged with high precision; compared with the precision requirement of the motor installation position, the precision requirement of the fixing unit is low, and the installation is simpler, so that the transmission device can meet the installation precision requirement, and the installation work is simplified.

Drawings

The utility model will be further described with reference to the drawings and examples.

Fig. 1: schematic diagram of prior art micro-gravure roll drive.

Fig. 2: schematic diagram of micro concave roller driving device in the utility model.

Reference numerals illustrate: 1. a motor; 2-1, a first coupler; 2-2, a second coupling; 3. a fixing unit; 3-1, a bearing; 3-2, connecting shaft; 3-3, fixing the shell; 4. a connection unit; 5. a micro concave roller.

Detailed Description

The technical scheme of the utility model is explained in detail by specific examples. In order to make the objects, technical solutions and advantages of the embodiments of the present utility model more clear, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. It will be apparent that the described embodiments are some, but not all, embodiments of the utility model. All other embodiments, which are obtained by a person skilled in the art based on the described embodiments of the utility model, fall within the scope of protection of the utility model.

As shown in fig. 2, a micro-gravure roll transmission device comprises a motor 1, a coupler and a micro-gravure roll 5, wherein the micro-gravure roll 5 is connected with the motor 1 through the coupler, the coupler comprises a first coupler 2-1 and a second coupler 2-2, and the first coupler 2-1 and the second coupler 2-2 are connected through a fixing unit 3. Wherein, the first shaft coupling 2-1 connects motor 1 and fixed unit 3, and the second shaft coupling 2-2 connects fixed unit 3 and little gravure roll 5.

The motor mounting precision can be reduced through the fixing unit, and vibration caused by the motor is reduced, so that the power effect of the micro-concave roller is effectively ensured. The fixing unit 3 includes a bearing 3-1, a connecting shaft 3-2, and a fixing housing 3-3. The fixing unit 3 is fixedly connected with the mounting base of the whole micro-concave roller transmission device, and is fixedly connected with the mounting base through the fixing shell 3-3.

The two ends of the connecting shaft 3-2 are respectively connected with the first coupler 2-1 and the second coupler 2-2. The bearing 3-1 is sleeved on the connecting shaft 3-2, and the connecting shaft 3-2 is rotatably connected with the fixed shell 3-3 through the bearing 3-1, so that the resistance is reduced, and the transmission stability is improved. One end of the first coupler 2-1 is connected with the motor 1, the other end of the first coupler 2-1 is connected with a roll shaft output shaft of the shaft 3-2 micro-concave roll 5, and rotary power is transmitted to the connecting shaft 3-2 through the first coupler 2-1.

The first coupling 2-1 is a universal coupling, and the specific structure can be a cross shaft type, a ball fork type, a bump type three-pin type, a three-fork type, a hinge type and the like. The universal coupling enables the two shafts not to be on the same axis, can realize continuous rotation of the two shafts connected under the condition of an included angle of the axes, and reliably transmits torque and motion. The universal coupling has the advantages of large angular compensation capability, compact structure and high transmission efficiency.

The second coupling 2-2 is an elastic coupling, and the specific structure can be a spiral groove type or a parallel groove type. The integrally formed design of the elastic coupling enables the elastic coupling to achieve the advantages of zero-clearance torque transmission and no maintenance. The elastic coupling contains an elastic compound of pre-pressed rubber, which can provide additional strength and prolong the service life. The coupling can accommodate all types of deviations, and the hub is made of high-strength aluminum alloy, so that the coupling is light and corrosion-resistant. The rubber component is mainly used for damping, so that power transmission is smooth and quiet, and driving force and driving machines are protected. The elastic coupling is simple to install, and since the rubber part is a split insert, it can be inserted after the axes are aligned.

The elastic coupler is a split insert, so that the elastic coupler can be installed in an inserting mode after the shafts are aligned, and the installation is simple and convenient. The vibration of the micro-concave roller can be effectively reduced through the transmission of vibration of the double couplings, so that the condition that lines are generated on a coated product is reduced, the production efficiency is improved, and the coating effect is ensured.

In order to further effectively ensure the transmission effect, the micro-concave roller transmission device further comprises a connecting unit 4, and the second coupling 2-2 is connected with the roller shaft of the micro-concave roller 5 through the connecting unit 4. Bearings may also be provided at the connection of the connection unit 4 and the micro gravure roll 5, so that the roll shaft 5-1 of the micro gravure roll 5 is rotatably connected with the connection unit 4 through the bearings and is connected with the connection shaft 3-2 through the connection with the second coupling 2-2. The resistance is reduced through the arrangement of the bearing, the abrasion of the roll shaft of the micro-concave roll 5 is reduced, and the service life of the micro-concave roll is prolonged.

In the actual use process, the output shaft of the motor 1 drives the connecting shaft 3-2 to rotate through the first coupler 2-1, and the connecting shaft 3-2 drives the micro-concave roller 5 to rotate through the second coupler 2-2. In the whole rotation process, through the double coupler and set up fixing device in the middle of the double coupler, reduce the direct shock transfer of motor vibrations to the micro-concave roller, alleviate the vibrations of micro-concave roller, reduce the condition that the coating product produced the line.

Example 2

On the basis of embodiment 1, wherein the fixing unit is replaced with a structure in which the fixing unit 3 includes a first bearing, a first fixing housing, a second bearing, a second fixing housing, and a connection shaft. The connecting shaft is connected with the first fixed shell through a first bearing, and the connecting shaft is connected with the second fixed shell through a second bearing. The connection direction of the connecting shaft can be determined through the arrangement of the double fixing shells, the transmission of vibration can be reduced, and the stability of the connecting shaft is improved.

The present utility model has been illustrated by the above-described embodiments, but it should be understood that the above-described embodiments are for purposes of illustration and description only and are not intended to limit the utility model to the embodiments described. Various modifications and changes of the utility model will occur to those skilled in the art, including combinations and rearrangements of the features. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. The utility model provides a little gravure roll transmission, includes motor (1), shaft coupling and little gravure roll (5), little gravure roll (5) pass through with motor (1) shaft coupling connection, its characterized in that: the coupling comprises a first coupling (2-1) and a second coupling (2-2), wherein the first coupling (2-1) and the second coupling (2-2) are connected through a fixing unit (3);

the first shaft coupling (2-1) is connected with the motor (1) and the fixing unit (3), and the second shaft coupling (2-2) is connected with the fixing unit (3) and the micro-concave roller (5).

2. A micro gravure roll driving device according to claim 1, wherein: the fixing unit (3) comprises a connecting shaft (3-2), and two ends of the connecting shaft (3-2) are respectively connected with the first coupler (2-1) and the second coupler (2-2).

3. A micro gravure roll driving device according to claim 2, wherein: the fixing unit (3) further comprises a fixing shell (3-3) and a bearing (3-1), the fixing shell (3-3) is fixedly connected with a mounting base of the micro-concave roller transmission device, the bearing (3-1) is sleeved on the connecting shaft (3-2), and the connecting shaft (3-2) is rotatably connected with the fixing shell (3-3) through the bearing (3-1).

4. The micro gravure roll driving device according to claim 1, wherein: the fixing unit (3) comprises a first bearing, a first fixing shell, a second bearing, a second fixing shell and a connecting shaft, wherein the connecting shaft is connected with the first fixing shell through the first bearing, and the connecting shaft is connected with the second fixing shell through the second bearing.

5. A micro gravure roll driving device according to claim 1, wherein: the first coupler (2-1) is a universal coupler.

6. A micro gravure roll driving device according to claim 1, wherein: the second coupler (2-2) is an elastic coupler.

7. A micro gravure roll driving device according to claim 1, wherein: the micro-concave roller is characterized by further comprising a connecting unit (4), wherein the second coupler (2-2) is connected with the micro-concave roller (5) through the connecting unit (4).

8. The micro gravure roll driving device according to claim 7, wherein: the connecting unit (4) comprises a bearing, and the micro-concave roller (5) is connected with the connecting unit (4) through the bearing.

9. A coater comprising a micro gravure roll drive according to any one of claims 1 to 8.