CN2526171Y

CN2526171Y - Carving equipment for printing roll

Info

Publication number: CN2526171Y
Application number: CN 02201230
Authority: CN
Inventors: 钱远强
Original assignee: Individual
Current assignee: Individual
Priority date: 2002-01-08
Filing date: 2002-01-08
Publication date: 2002-12-18
Anticipated expiration: 2012-01-08

Abstract

The utility model relates to a carving device for printing roll and having an adjustable net-shaped mask. The utility model includes a laser generator; a laser focusing device; a first reviser, which is arranged between the laser focusing device and the printing roll or between the laser focusing device and the laser source and has a first round tray which has a plurality of preset through holes; a second reviser, which is arranged between the laser focusing device and the first reviser or between the laser source and the first reviser and has a second round tray which has a plurality of preset through holes; a first controlling device, which controls the revolving of the first and the second revisers; a second controlling device, which controls the frequency of the laser pulse. When the first and the second reviser revolve to a certain position, the laser can simultaneously penetrate the first and the second round trays and form a pattern on the printing roll. With one laser generator, the utility model can produce the mesh holes which are misplacedly arrayed and have the sizes and depths different, which reduces the rejection rate of the printing roll and the production cost.

Description

A kind of printing roller engraving equipment

Technical field

The utility model relates to a kind of printing roller engraving equipment, particularly a kind of printing roller engraving equipment with adjustable netted mask adjuster.

Background technology

Traditional printing roller engraving equipment includes a laser machine, by fixing mask piece or technology laser is made various solid shape, when the size of the netting twine shape on the print roller and depth degree reach the standardized the best that is when even.If when requiring on same print roller, to have different netted and deep mixed hole, just will use a branch of above laser, the netted and deep mixed mesh of the collaborative described difference of generation.But, control two bundles simultaneously or the above laser of two bundles is carved on same print roller, for the focusing adjustment of each laser, and the position of coordinating dislocation is very unmanageable.In the combination engraving of two bundles or the laser more than two bundles, if there is beam of laser deviation or fault to occur, can cause scrapping of whole piece print roller, and many expensive laser equipments will be set, cause operating cost to improve greatly.

Summary of the invention

The purpose of this utility model is to overcome the defective and the deficiency of prior art, a kind of printing roller engraving equipment with adjustable netted mask adjuster is proposed, only with a laser generator, make laser beam pass through adjustable netted mask adjuster, on print roller, make the size of uniform dislocation arrangement and deep mixed mesh shape, significantly reduce the possibility of scrapping of print roller, and reduce operating cost significantly.

To achieve the above object of the invention, solve technical problem of the prior art, the utility model adopts following technological means.

An aspect of the present utility model provides a kind of printing roller engraving equipment, comprising:

A laser generator can produce the required laser of printing roller engraving;

Laser focusing device focuses on described laser;

First adjuster between laser focusing device and print roller, comprises having a plurality of first disks that preestablish open-work;

Second adjuster between the focusing arrangement and first adjuster, comprises having a plurality of second disks that preestablish open-work;

First control device is controlled the rotation of first adjuster and second adjuster;

Second control device, the frequency of control laser pulse;

Wherein, when first adjuster and second adjuster turned to a certain position, described laser can pass first disk and second disk simultaneously, forms pattern on print roller.

Another aspect of the present utility model provides another kind of printing roller engraving equipment, comprising:

A laser generator can produce the required laser of printing roller engraving;

Laser focusing device focuses on described laser;

First adjuster between laser focusing device and LASER Light Source, comprises having a plurality of first disks that preestablish open-work;

Second adjuster between the LASER Light Source and first adjuster, comprises having a plurality of second disks that preestablish open-work;

Second control device, the frequency of control laser pulse;

In printing roller engraving equipment of the present utility model, may further include the platform of settling first adjuster, second adjuster and laser generator.

First disk and the open-work on second disk in first, second adjuster of the present utility model can be designed to different shape as required.But preferably, the open-work on first disk and second disk has identical patterns.The material of first disk and second disk is copper or copper alloy.

First control device in the utility model preferably includes two servomotors, controls first adjuster and second adjuster respectively and rotates in the same way synchronously.Certainly, those skilled in the art should know, if use a servomotor, also can reach this purpose.

Second control device of the present utility model can be controlled the laser that laser generator sends different frequency with technology known in the art such as computers, to obtain needed mesh according to the character of mesh on the print roller.

In the case, printing roller engraving equipment of the present utility model also can be included in the 3rd adjuster between laser focusing device and the print roller, the open-work that predefined different shape is arranged on it, the 3rd adjuster can be the mask piece that tradition is used, laser by the 3rd adjuster can produce on the print roller with the traditional masks piece on the consistent pattern of predefined open-work shape, these patterns are more complicated often, as flowers and plants, star, toy or the like.

Advantage of the present utility model is that this printing roller engraving equipment only uses a laser generator, make laser beam pass through adjustable netted mask adjuster, just can be on print roller, make the size of uniform dislocation arrangement and deep mixed mesh shape, need not consider to control the focusing adjustment of many laser and the position of coordinating dislocation, can not occur deviation or fault occurring because of laser wherein, and cause scrapping of whole piece print roller, thereby significantly reduce the possibility of scrapping of print roller, and reduce operating cost significantly.

Description of drawings

Fig. 1 is the schematic diagram of a preferred embodiment of the present utility model;

Fig. 2 is the schematic diagram of another preferred embodiment of the present utility model;

Fig. 3 is the schematic diagram of first disk and second disk among Fig. 1 and Fig. 2 embodiment;

Fig. 4 is the schematic diagram that open-work intersects on first disk and second disk;

Fig. 5 be first disk with second disk on the different netted schematic diagram that obtained when intersecting at diverse location of open-work.

The specific embodiment

Describe the specific embodiment of the present utility model in detail below in conjunction with drawings and Examples.

Embodiment 1

As shown in Figure 1, disclosed the printing roller engraving equipment of a preferred embodiment of the utility model, the laser generator (not shown) can produce the required laser of printing roller engraving 1; Laser focusing device 2 focuses on described laser 1; First adjuster 3, between laser focusing device 2 and print roller 5, as shown in Figure 3 and Figure 4, it comprise have a plurality of (as 50, for convenience of description for the purpose of, only be shown 8 among the figure) preestablish first disk 31 of open-work 32; Second adjuster 4, between the focusing arrangement 2 and first adjuster 3, it comprises second disk 41 with a plurality of (as 50) open-work 42 equally; First control device is controlled the rotation of first adjuster and second adjuster, and with the laser generator interlock; Second control device, the frequency of control laser pulse; Wherein, when first adjuster 3 and second adjuster 4 turned to a certain position, described laser 1 can pass first disk 31 and second disk 41 simultaneously, and the material of formation pattern 6, the first disks 31 and second disk 41 is copper alloys on print roller 5.First adjuster 3, second adjuster 4 and laser generator are placed on the platform 7.Be typically provided with laser disperser 8 between laser generator and laser focusing device 2, the laser that makes laser generator is through evenly focusing on through laser focusing device 2 after the diffusion, so that form the pattern 6 uniform, that the depth is consistent on print roller 5 again.Wherein first control device comprises two identical servomotors 9, controls first adjuster 3 and second adjuster 4 respectively and rotates in the same way synchronously.First disk 31 on first adjuster 3 and second adjuster 4 has identical pattern with the open-

work

32,42 on second disk 41, as shown in Figure 3, Figure 4, when first disk 31 and second disk 41 rotate in the same way, in position shown in Figure 4, open-work on two disks is in the position-reversed motion of meeting, shape and the open-work that degree caused 32 of motion and the folding of open-work 42 according to open-work, can produce different pattern 6, as shown in Figure 5, rhombus that can be rhombus, ellipse, circle, square, band side or the like is various poroid.Described second control device (not shown) control laser generator sends the laser 1 of different pulse frequency, utilize the folding of open-work 32 and open-work 42, design poroid will be from big to small, little to closed, be closed into to open and constantly repeat shown in a → b among Fig. 5 → c → d → e → f, utilize second control device this moment, the formed poroid interpulse one or more laser shootings that carry out of two disks of locking when being up to minimum and opening of each hole.So running, not only can select the shape and the depth in each hole, can also make the continuous arrangement of poroid large, medium and small dislocation consciously, and this be arranged with hundreds of available, so strengthened the selectivity and the flexibility of printing roller engraving running greatly.

Embodiment 2

As Fig. 2, Fig. 3, shown in Figure 4, disclosed the printing roller engraving equipment of another preferred embodiment of the utility model, laser generator produces the required laser 1 of printing roller engraving; Laser focusing device 2 focuses on described laser 1; First adjuster 3 between laser focusing device 2 and LASER Light Source, comprises having a plurality of first disks 31 that preestablish open-work 32; Second adjuster 4 between the LASER Light Source and first adjuster 3, comprises having a plurality of second disks 41 that preestablish open-work 42; First control device is controlled the rotation of first adjuster 3 and second adjuster 4; The second control device (not shown), the frequency of control laser pulse; Wherein, when first adjuster 3 and second adjuster 4 turn to a certain position, open-work 32 and open-work 42 that described laser 1 can pass on first disk 31 and second disk 41 simultaneously, formation pattern 6 on print roller 5.Other guide is identical with the described printing roller engraving equipment of Fig. 1.

In the case, printing roller engraving equipment of the present utility model also can be included in the 3rd adjuster between laser focusing device 2 and the print roller 5, the open-work that predefined different shape is arranged on it, the 3rd adjuster can be the mask piece 10 that tradition is used, laser by the 3rd adjuster can produce on the print roller 5 with traditional masks piece 10 on the consistent pattern 6 of predefined open-work shape, these patterns 6 can be predefined flowers and plants, star, toy or the like.

Consult shown in Figure 3, when stating first disk 31 in

preferred embodiment

1 and 2 and second disk 41 in design, at first to understand the light beam diameter of the laser 1 that sends from laser generator, the laser light column diameter be multiply by 2, be the distance between the center of each open-work and open-work, multiply by the hole count of fixing in the design again, can get the circumference at place, set open-work center on the disk, radius r that as calculated can this circumference, adding 12～16 millimeters again is exactly disk 31 and the radius R of disk 41.

Claims

1. printing roller engraving equipment comprises:

A laser generator can produce the required laser of printing roller engraving;

Laser focusing device focuses on described laser;

Second control device, the frequency of control laser pulse;

2. according to the equipment of claim 1, wherein further comprise the platform of settling first adjuster, second adjuster and laser generator.

3. according to the equipment of claim 1 or 2, wherein first control device comprises two servomotors, controls first adjuster and second adjuster respectively and rotates in the same way synchronously.

4. according to the equipment of claim 1, wherein the open-work on first disk and second disk has identical patterns.

5. according to the equipment of claim 1, wherein said second control device control laser generator sends the laser of different frequency.

6. printing roller engraving equipment comprises:

A laser generator can produce the required laser of printing roller engraving;

Laser focusing device focuses on described laser;

Second control device, the frequency of control laser pulse;

7. according to the equipment of claim 6, wherein further comprise the platform of settling first adjuster, second adjuster and laser generator.

8. according to the equipment of claim 6 or 7, wherein first control device comprises two servomotors, controls first adjuster and second adjuster respectively and rotates in the same way synchronously.

9. according to the equipment of claim 6, wherein the open-work on first disk and second disk has identical patterns.

10. according to the equipment of claim 6, wherein said second control device control laser generator sends the laser of different frequency.

11. according to the equipment of claim 6, wherein also be included in the 3rd adjuster between laser focusing device and the print roller, contain a plurality of predefined open-works on it.