CN215612715U

CN215612715U - Version roller coating machine

Info

Publication number: CN215612715U
Application number: CN202121735484.6U
Authority: CN
Inventors: 杨连勇; 杨黎光; 冯奎
Original assignee: Yunnan Seiko Plate Making Co ltd
Current assignee: Yunnan Seiko Plate Making Co ltd
Priority date: 2021-07-28
Filing date: 2021-07-28
Publication date: 2022-01-25
Anticipated expiration: 2031-07-28

Abstract

The utility model relates to a printing roller film coating machine which comprises a bracket, an upper fixed shaft, a lower fixed shaft, an upper printing roller fixed plate, a lower printing roller fixed plate, an upper positioning cylinder, a lower positioning cylinder, a film coating ring, a screw rod and a motor, wherein the upper fixing shaft is fixed on the bracket; the screw rod is parallel to the bracket, and the lower printing roller fixing plate and the screw rod can be connected in a vertical sliding manner; the transmission part is connected with the motor; the upper positioning cylinder is fixed on the upper end surface of the upper printing roller fixing plate; the lower positioning cylinder is fixed on the lower end surface of the lower printing roller fixing plate; the coating ring is clamped between the lower positioning cylinder and the lower printing roller fixing plate; the upper fixing shaft and the lower fixing shaft are both in a circular truncated cone shape, small heads of the upper fixing shaft and the lower fixing shaft face inwards and are respectively suspended and inserted into the upper positioning barrel and the lower positioning barrel; the printing roller passing hole, the upper fixing shaft, the lower fixing shaft, the upper positioning cylinder, the lower positioning cylinder and the film coating ring are concentrically arranged; the utility model not only facilitates the installation and fixation of the printing roller, but also can effectively prevent the printing roller from shaking in the film coating process, thereby reducing the requirements on the fineness and the proficiency of manual operation and greatly improving the film coating efficiency.

Description

Version roller coating machine

Technical Field

The utility model belongs to the technical field of laser roller processing, and particularly relates to a roller film coating machine.

Background

The gravure printing needs a plate roller, the chemical corrosion method laser plate making technology is one of the commonly used technologies for preparing the plate roller, a layer of nickel is plated on the plate roller firstly, then copper is plated on the nickel, a layer of laser glue is coated on the surface of the plate roller after the copper is plated, a laser engraving machine is used for ablating a laser glue film after the laser glue is dried, a required pattern is ablated, the chemical corrosion method is used for corrosion after the ablation, the laser glue has a good corrosion prevention effect, the non-image-text part is protected by the laser glue and cannot be corroded in the corrosion process, and the image-text part is corroded, so that a net hole or a net line is formed.

The printing plate roller has high requirements on the surface precision of the plate roller, the laser film layer is required to be uniform, when the laser film coating machine is used, the inner cylinder of the plate roller is inserted into the fixing shafts at two ends of the film coating machine and is fixed, and then the plate roller is coated with glue.

Disclosure of Invention

In order to overcome the problems in the prior art, the utility model provides the plate roller film coating machine, and the plate roller can be prevented from shaking in the film coating process by arranging the positioning cylinder which is concentric with the fixed shaft, so that the film coating effect is ensured.

In order to realize the purpose, the utility model is realized by the following technical scheme:

the printing roller film coating machine comprises a bracket, an upper fixing shaft, a lower fixing shaft, an upper printing roller fixing plate, a lower printing roller fixing plate, an upper positioning cylinder, a lower positioning cylinder, a film coating ring, a screw rod and a motor; the screw rod is fixed with the bracket in parallel; the lower printing roller fixing plate is connected with the screw rod in a vertically sliding manner through a transmission part; the transmission part is connected with the motor; the upper printing roller fixing plate and the lower printing roller fixing plate are both provided with printing roller penetrating holes; the upper positioning cylinder is fixed on the upper end surface of the upper printing roller fixing plate; the lower positioning cylinder is fixed on the lower end surface of the lower printing roller fixing plate; the film coating ring is clamped and fixed between the lower positioning cylinder and the lower printing roller fixing plate; the upper fixing shaft and the lower fixing shaft are both in a circular truncated cone shape, small heads of the upper fixing shaft and the lower fixing shaft face inwards and are respectively suspended and inserted into the upper positioning barrel and the lower positioning barrel; the plate roller passing hole, the upper fixing shaft, the lower fixing shaft, the upper positioning cylinder, the lower positioning cylinder and the film coating ring are concentrically arranged.

Preferably, the upper fixed shaft is fixed on the bracket through a sleeve, a transmission core and a fixed rod; the transmission core is sleeved with the sleeve through threads; the sleeve is fixed on the bracket through a fixing rod; the lower end face of the transmission core is fixed with the upper fixing shaft, and the upper end face of the transmission core is provided with an adjusting handle.

Preferably, the sleeve is further provided with a locking bolt in threaded connection with the sleeve wall.

Preferably, a semicircular annular support frame is fixed on the upper end face of the lower plate roller fixing plate, and the support frame is connected with the screw rod in a vertically sliding mode through a transmission piece.

Preferably, the outer end face of the lower printing roller fixing plate is provided with at least three positioning clips, the outer ends of the positioning clips are connected with the lower printing roller fixing plate through bolts, and the inner ends of the positioning clips are clamped on the coating ring.

The utility model has the beneficial effects that:

the utility model is convenient for installing the printing roller, can be used for installing the printing rollers with different inner diameters and different lengths, has simple operation, can effectively prevent the printing roller from shaking in the film coating process, has uniform film coating, reduces the requirements on the manual operation fineness and proficiency and greatly improves the film coating efficiency.

Drawings

FIG. 1 is a front view of the present invention;

FIG. 2 is a side view of the present invention;

FIG. 3 is a schematic view of a film coating ring fixing structure according to the present invention;

FIG. 4 is a cross-sectional view of the fixed relationship of the lower plate roller fixing plate and the lower fixing shaft of the present invention;

FIG. 5 is a cross-sectional view of the fixed relationship of the upper plate roller fixing plate and the upper fixed shaft of the present invention;

FIG. 6 is a cross-sectional view of an upper positioning barrel (or lower positioning barrel) of the present invention;

in the drawing, 1-bracket, 2-upper fixed shaft, 3-lower fixed shaft, 4-upper plate roller fixed plate, 5-lower plate roller fixed plate, 6-upper positioning cylinder, 7-lower positioning cylinder, 8-coating ring, 9-screw rod, 10-motor, 11-transmission piece, 12-sleeve, 13-transmission core, 14-fixed rod, 15-adjusting handle, 16-locking bolt, 17-supporting frame and 18-positioning clamping piece.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings to facilitate understanding of the skilled person.

As shown in fig. 1 to 6, the plate roller film coating machine includes a bracket 1, an upper fixing shaft 2, a lower fixing shaft 3, an upper plate roller fixing plate 4, a lower plate roller fixing plate 5, an upper positioning cylinder 6, a lower positioning cylinder 7, a film coating ring 8, a screw rod 9 and a motor 10. The screw rod 9 is fixed through the bracket 1 and is parallel to the bracket 1.

The upper printing roller fixing plate 4 and the lower printing roller fixing plate 5 are both provided with printing roller penetrating holes, the upper positioning cylinder 6 is fixed on the upper end face of the upper printing roller fixing plate 4 through bolts, the lower positioning cylinder 7 is fixed on the lower end face of the lower printing roller fixing plate 5 through bolts, and the coating ring 8 is clamped between the lower positioning cylinder 7 and the lower printing roller fixing plate 5. The upper fixing shaft 2 and the lower fixing shaft 3 are both in a circular truncated cone shape, small ends of the upper fixing shaft 2 and the small ends of. The coating ring 8 is made of elastic material, the inner diameter of the coating ring is slightly smaller than the outer diameter of the printing roller and is 2-4mm smaller than the outer diameter of the printing roller, and the size design can ensure that the laser film is uniformly laser-etched on the coating film on the outer wall of the printing roller under the action of the coating ring 8.

A semi-annular supporting frame 17 is fixedly welded on the upper end surface of the lower plate roller fixing plate 4, the supporting frame 17 is connected with a transmission part 11, and the transmission part 9 is electrically connected with a motor 10; under the drive of the motor 10, the support frame 17 drives the lower plate roller fixing plate 4 to move upwards or downwards. The motor 10 is a variable frequency motor.

The upper fixing shaft 2 is fixed on the support 1 through a sleeve 12, a transmission core 13 and a fixing rod 14, the transmission core 13 is in threaded sleeve joint with the sleeve 12, the sleeve 12 is fixed on the support 1 through the fixing rod 14, the lower end face of the transmission core 13 is fixed with the upper fixing shaft 2, the upper end face of the transmission core is provided with an adjusting handle 15, and the sleeve 12 is further provided with a locking bolt 16 in threaded connection with the sleeve wall. The lower fixed shaft 3 and the upper fixed shaft are also fixed on the bracket 1 through a sleeve 12, a transmission core 13 and a fixed rod 14 in the same connection mode as the upper fixed shaft 2.

The outer end face of a lower printing roller fixing plate 5 is provided with at least three positioning clamping pieces 18, the outer ends of the positioning clamping pieces 18 are connected with a lower printing roller fixing plate 4 through bolts, the inner ends of the positioning clamping pieces are clamped on a film coating ring 8, bolt holes of the three positioning clamping pieces 18 are uniformly distributed along the circumferential direction of the center of a printing roller passing hole, when the film coating ring 8 is installed, the installation position of the film coating ring 8 can be quickly determined according to the bolt holes, the film coating ring 8 is further clamped by the positioning clamping pieces 18 after the film coating ring and a lower positioning cylinder 7 are fixed, the inner edge of the fixed positioning clamping pieces 18 is tangent to the outer edge of the lower positioning cylinder 7, and the positioning clamping pieces 18 are further clamped while the lower positioning cylinder 7 is prevented from loosening.

The working process of the utility model is as follows:

according to the outer diameter of the plate roller needing to be coated, an upper positioning cylinder 6 and a lower positioning cylinder 7 are processed in advance, the inner diameters of the upper positioning cylinder 6 and the lower positioning cylinder 7 can clamp and fix the plate roller, the plate roller is prevented from shaking, and the plate roller can be taken down after coating; installing a film coating ring 8, an upper positioning cylinder 6 and a lower positioning cylinder 7; inserting the lower end inner cylinder of the printing roller into the lower fixed shaft 3, holding the adjusting handle 15 by hand, enabling the transmission core 13 to move downwards, driving the upper fixed shaft 2 to move downwards, and enabling the upper fixed shaft 2 and the lower fixed shaft 3 to clamp the printing roller tightly; and pouring a laser film between the film coating ring 8 and the lower plate roller fixing plate 5, starting the motor 10 to enable the lower plate roller fixing plate 5 to move upwards along the screw rod 9, and uniformly coating the laser film on the outer wall of the plate roller when the film coating ring 8 moves upwards.

Finally, it is noted that the above-mentioned preferred embodiments illustrate rather than limit the utility model, and that, although the utility model has been described in detail with reference to the above-mentioned preferred embodiments, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the scope of the utility model as defined by the appended claims.

Claims

1. A version roller coating machine which characterized in that: comprises a bracket (1), an upper fixed shaft (2), a lower fixed shaft (3), an upper plate roller fixed plate (4), a lower plate roller fixed plate (5), an upper positioning cylinder (6), a lower positioning cylinder (7), a coating ring (8), a screw rod (9) and a motor (10); the screw rod (9) is fixed with the bracket (1) in parallel; the lower printing roller fixing plate (5) is connected with the screw rod (9) in a vertically sliding manner through a transmission part (11); the transmission piece (11) is electrically connected with the motor (10); the upper printing roller fixing plate (4) and the lower printing roller fixing plate (5) are both provided with printing roller through holes; the upper positioning cylinder (6) is fixed on the upper end surface of the upper plate roller fixing plate (4); the lower positioning cylinder (7) is fixed on the lower end surface of the lower printing roller fixing plate (5); the film coating ring (8) is clamped between the lower positioning cylinder (7) and the lower printing roller fixing plate (5); the upper fixing shaft (2) and the lower fixing shaft (3) are both in a circular truncated cone shape, small ends of the upper fixing shaft and the lower fixing shaft face inwards, and the upper fixing shaft and the lower fixing shaft are respectively suspended and inserted into the upper positioning barrel (6) and the lower positioning barrel (7); the plate roller penetrates through the hole, the upper fixing shaft (2), the lower fixing shaft (3), the upper positioning cylinder (6), the lower positioning cylinder (7) and the film coating ring (8) are concentrically arranged.

2. The roll film coating machine according to claim 1, characterized in that: the upper fixed shaft (2) is fixed on the bracket (1) through a sleeve (12), a transmission core (13) and a fixed rod (14); the transmission core (13) is in threaded sleeve connection with the sleeve (12); the sleeve (12) is fixed on the bracket (1) through a fixing rod (14); the lower end face of the transmission core (13) is fixed with the upper fixing shaft (2), and the upper end face is provided with an adjusting handle (15).

3. The roll film coating machine according to claim 2, characterized in that: and the sleeve (12) is also provided with a locking bolt (16) in threaded connection with the sleeve wall.

4. The roll film coating machine according to claim 1, characterized in that: and a semicircular supporting frame (17) is fixed on the upper end surface of the lower plate roller fixing plate (5), and the supporting frame (17) is connected with the transmission part (11).

5. The roll film coating machine according to claim 1, characterized in that: the outer end face of the lower plate roller fixing plate (5) is provided with at least three positioning clips (18), the outer ends of the positioning clips (18) are connected with the lower plate roller fixing plate (5) through bolts, and the inner ends of the positioning clips are clamped on the film coating ring (8).