CN213007051U

CN213007051U - Paper positioning and adjusting mechanism of full-automatic screen printer

Info

Publication number: CN213007051U
Application number: CN202021404445.3U
Authority: CN
Inventors: 朱兴文; 肖乾龙; 陈维林; 曹成昆; 廖勇
Original assignee: Yibin Hansheng Glass Technology Co ltd
Current assignee: Yibin Hansheng Glass Technology Co ltd
Priority date: 2020-07-16
Filing date: 2020-07-16
Publication date: 2021-04-20
Anticipated expiration: 2030-07-16

Abstract

The utility model discloses a full-automatic silk screen printing machine paper location guiding mechanism, including workstation and pallet, the below of pallet is provided with the spin, and the spin is provided with four to constitute the rectangle structure between four spins, the outside of spin is and is provided with two servo motor perpendicularly, and two servo motor's the equal transmission of output shaft is connected with the drive wheel, it is connected with the live-rollers to rotate on the drive wheel, and the setting of laminating between live-rollers and the spin. The utility model discloses in, during the servo motor action, the live-rollers side on the corresponding drive wheel pushes away the spin to carry out the transmission to the spin, rotate between live-rollers on another servo motor drive wheel and the spin and be connected, keep its position unchangeable, reduce influence each other, through four independent controls, and have the spin of two direction driving forces of X Y axle can realize the accurate regulation to the paper position, promote the precision of paper before the printing.

Description

Paper positioning and adjusting mechanism of full-automatic screen printer

Technical Field

The utility model relates to a full-automatic silk screen printing machine paper positioning adjustment mechanism.

Background

Screen printing belongs to stencil printing and is known as four major printing methods together with lithographic, embossing and gravure printing. The stencil printing includes stencil printing, spray printing, screen printing, etc. The principle of stencil printing is: when printing, the printing plate (paper film plate or other plate base is provided with holes capable of passing through ink) transfers ink to the printing stock (paper, ceramic, etc.) through the holes of the hole plate under certain pressure to form images or characters.

The positioning mechanism of the existing full-automatic screen printing machine is used for limiting paper through the corner block by butting the paper and the corner block, and due to the fact that a certain gap possibly exists between the paper and the corner block, the paper is twisted at an angle possibly, an adjusting mechanism is not arranged in the device, the position which leads to printing is deviated, defective products are generated, and therefore the positioning mechanism which is more accurate is needed to position and adjust the mechanism, and the performance of the device is improved.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a full-automatic silk screen printing machine paper positioning adjustment mechanism has solved the problem that the device location is inaccurate among the prior art and can not adjust by oneself.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a full-automatic silk screen printing machine paper location guiding mechanism, includes workstation and pallet, the below of pallet is provided with the spin, and the spin is provided with four to constitute the rectangle structure between four spins, the outside of spin is and is provided with two servo motor perpendicularly, and the equal transmission of two servo motor's output shaft is connected with the drive wheel, it is connected with the live-rollers to rotate on the drive wheel, and laminates the setting between live-rollers and the spin, the axial setting of the equal perpendicular to drive wheel of live-rollers.

As a further description of the above technical solution:

the limiting ring is arranged outside the horizontal central line position of the rolling ball in a wrapping mode and welded with the stand through the fixing frame.

As a further description of the above technical solution:

the side of drive wheel is to the sunken arc structure in inboard, and drive wheel and spin set up with one heart.

As a further description of the above technical solution:

the rotating rollers are provided with at least five groups, each group of rotating rollers is provided with a plurality of rotating rollers, the rotating rollers are arranged around the driving wheels in an annular array mode, and output shafts of the rotating rollers are elastically connected with the driving wheels through extrusion springs.

As a further description of the above technical solution:

the stand is through swing joint between four electric telescopic handle and the workstation, and four electric telescopic handle are located four turning positions department of stand respectively.

As a further description of the above technical solution:

the middle points of the four side lines of the stand are fixedly connected with a CCD camera system, and the CCD camera system is electrically connected with the processor.

The utility model discloses possess following beneficial effect at least:

1. the utility model discloses in, during the servo motor action, the live-rollers side on the corresponding drive wheel pushes away the spin to carry out the transmission to the spin, rotate between live-rollers on another servo motor drive wheel and the spin and be connected, keep its position unchangeable, reduce influence each other, through four independent controls, and have the spin of two direction driving forces of X Y axle can realize the accurate regulation to the paper position, promote the precision of paper before the printing.

2. The utility model discloses in, electric telescopic handle's flexible realization is to compressing tightly and loosening of paper, and CCD camera system work this moment is shot four edges of paper to compare with the picture of predetermineeing in the system, carry out analysis processes through the treater, thereby reachs the deviation position and the scope of paper, the servo motor that the treater control corresponds turning position X \ Y axle direction afterwards moves, has guaranteed to carry out convenient adjustment, the hoisting device practicality in printing in-process paper position.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without any creative effort.

Fig. 1 shows a front view provided in accordance with an embodiment of the present invention;

fig. 2 shows a top view provided in accordance with an embodiment of the present invention;

fig. 3 shows an enlarged view of a point a provided according to an embodiment of the present invention;

fig. 4 shows a longitudinal section of a drive mechanism provided according to an embodiment of the invention;

fig. 5 shows a longitudinal section of a drive wheel according to an embodiment of the present invention.

In the figure: 1. a work table; 2. a stand; 3. a CCD camera system; 4. rolling a ball; 5. a limiting ring; 6. a driving wheel; 7. a rotating roller; 8. a servo motor; 9. a fixed mount; 10. an electric telescopic rod; 11. compressing the spring.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

The utility model relates to an electric telescopic handle 10 and treater do respectively: (XTL-100 electric telescopic rod and Siemens programmable logic controller);

referring to fig. 1-5, a paper positioning and adjusting mechanism of a full-automatic screen printer comprises a workbench 1 and a stand 2, wherein four rolling balls 4 are arranged below the stand 2, and a rectangular structure is formed among the four rolling balls 4, the four rolling balls 4 are respectively positioned at the corner positions of the rectangular structure, two servo motors 8 are vertically arranged at the outer sides of the rolling balls 4, the axial directions of the two servo motors 8 are vertically arranged, and the output shafts of the two servo motors 8 are respectively connected with a driving wheel 6 in a transmission way, the two driving wheels 6 are respectively positioned at the diameter positions in the X/Y axis direction, the driving wheels 6 are rotatably connected with rotating rollers 7, and the rotating rollers 7 are attached to the rolling balls 4, the rotating rollers 7 are perpendicular to the axial direction of the driving wheel 6, the length of each rotating roller 7 is short, and a certain gap is formed between every two adjacent rotating rollers 7.

Specifically, as shown in fig. 1-5, the outside of the horizontal center line position of the rolling ball 4 is wrapped with a limit ring 5, the limit ring 5 is in clearance fit with the rolling ball 4, and is in sliding connection with the rolling ball, and the limit ring 5 is welded with the stand 2 through the fixing frame 9, the side surface of the driving wheel 6 is of an inward concave arc structure, and the driving wheel 6 and the rolling ball 4 are concentrically arranged, so that the rolling roller 7 can be better attached to the rolling ball 4, the rolling roller 7 is provided with at least five groups, each group of the rolling rollers 7 is provided with a plurality of rolling rollers, and the plurality of rolling rollers are arranged around the driving wheel 6 in an annular array mode, the output shaft of the rolling roller 7 is elastically connected to the driving wheel 6 through the extrusion spring 11, and the attaching degree between the rolling ball.

Specifically, as shown in fig. 1 and 2, the table 2 is movably connected with the workbench 1 through four electric telescopic rods 10, the four electric telescopic rods 10 are respectively located at four corner positions of the table 2, the electric telescopic rods 10 are electrically connected with the processor, the CCD camera system 3 is fixedly connected with the middle points of four side lines of the table 2, and the CCD camera system 3 is electrically connected with the processor.

The working principle is as follows: the paper is pushed to the workbench 1, the electric telescopic rod 10 contracts, so that the rolling ball 4 is pressed on the paper, the CCD camera system 3 works at the moment, four edges of the paper are shot and compared with a preset picture in the system, analysis and processing are carried out through the processor, and therefore the deviation position and the range of the paper are obtained, the processor then controls the servo motor 8 corresponding to the X \ Y axis direction to act, the position of the paper is conveniently adjusted, and the position accuracy during printing is guaranteed; when the servo motor 8 acts, an output shaft of the servo motor is in transmission connection with the transmission wheel 6 to rotate, because the axial direction of the rotating roller 7 on the transmission wheel 6 is perpendicular to the axial direction of the servo motor 8, a certain friction force is generated between the side edge of the rotating roller 7 and the rolling ball 4 to transmit the rolling ball 4, the rolling ball 4 realizes the change of the position of the rolling ball 4 through the friction force of paper, when the rolling ball 4 changes in the X-axis direction, the Y-axis direction rotates around a central point, the other transmission wheel 6 counteracts the rotating force through the action of the rotating roller 7, and the rotating roller 7 does not have a transmission action on the transmission wheel 6, namely, the position of the transmission wheel; the accuracy of the device is further improved by independent control at the four corner positions.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the principles of the present invention may be applied to any other embodiment without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a full-automatic silk screen printing machine paper location guiding mechanism, includes workstation (1) and pallet (2), its characterized in that, the below of pallet (2) is provided with spin (4), and spin (4) are provided with four to constitute the rectangle structure between four spin (4), the outside of spin (4) is and is provided with two servo motor (8) perpendicularly, and the equal transmission of output shaft of two servo motor (8) is connected with drive wheel (6), it is connected with live-rollers (7) to rotate on drive wheel (6), and laminates the setting between live-rollers (7) and spin (4), the axial setting of the equal perpendicular to drive wheel (6) of live-rollers (7).

2. The paper positioning and adjusting mechanism of the full-automatic screen printing machine according to claim 1, wherein a limiting ring (5) is wrapped outside the horizontal center line position of the rolling ball (4), and the limiting ring (5) is welded with the stand (2) through a fixing frame (9).

3. The paper positioning and adjusting mechanism of the full-automatic screen printing machine according to claim 1, wherein the side surface of the transmission wheel (6) is in an inward concave arc structure, and the transmission wheel (6) and the rolling ball (4) are concentrically arranged.

4. The paper positioning and adjusting mechanism of the full-automatic screen printing machine as claimed in claim 1, wherein the rotating rollers (7) are provided with at least five groups, and each group of rotating rollers (7) is provided with a plurality of rotating rollers, and the plurality of rotating rollers are arranged around the driving wheel (6) in an annular array, and the output shafts of the rotating rollers (7) are elastically connected with the driving wheel (6) through the extrusion springs (11).

5. The paper positioning and adjusting mechanism of the full-automatic screen printing machine according to claim 1, wherein the stand (2) is movably connected to the workbench (1) through four electric telescopic rods (10), and the four electric telescopic rods (10) are respectively located at four corners of the stand (2).

6. The paper positioning and adjusting mechanism of the full-automatic screen printing machine according to claim 5, wherein the middle points of four sidelines of the stand (2) are fixedly connected with the CCD camera system (3), and the CCD camera system (3) is electrically connected with the processor.