CN213413250U

CN213413250U - Screen printing machine

Info

Publication number: CN213413250U
Application number: CN202021542749.6U
Authority: CN
Inventors: 杜青岛
Original assignee: Fujian Huajiacai Co Ltd
Current assignee: Fujian Huajiacai Co Ltd
Priority date: 2020-07-30
Filing date: 2020-07-30
Publication date: 2021-06-11
Anticipated expiration: 2030-07-30

Abstract

The utility model discloses a screen printer support of screen printer includes: the bearing side wall and the two bearing brackets; the two bearing supports are arranged on the same side of the bearing side wall and are connected with the two ends of the bearing side wall; the bearing support comprises: a high table top and a low table top; the lower table top is arranged on one side of the high table top, the high table top is higher than the lower table top, one sides of the two bearing supports, which are provided with the lower table tops, are oppositely arranged, and the lower table tops are used for placing the screen printing plates; the output end of the first motor vertically penetrates through the side wall below one high table surface, the first spring is vertically arranged in the side wall below the other high table surface, one end of the first spring, which is close to the first motor, extends out of the side wall below the high table surface, the other end of the first spring is abutted against the inside of the side wall below the high table surface, and the first spring and the first motor are positioned on the same horizontal plane; the carrying platform is positioned below the bearing support and used for placing a glass substrate, and the alignment lens is arranged below the carrying platform and used for identifying marks on the screen printing plate. Eliminate the error that exists between the different half tone, prevent the condition emergence of counterpointing the anomaly simultaneously.

Description

Screen printing machine

Technical Field

The utility model relates to a glass glues rendition technical field, especially relates to a screen printer.

Background

In the production flow of the AMOLED, the glass glue is transferred to the cover plate glass by the screen printing technology, which is an important process of the packaging technology. Different screen printing plates need to be made according to different product sizes or different glue width requirements. The current mode of fixing the screen printing plate is as follows: and manually pushing the screen to the inner side of the machine table, pushing the screen to be close to the right side by the left cylinder, and then applying downward force to clamp the screen by the gripper to fix the screen. Because of the error of the metal frames between different screens, fixing all different screens according to the method can not ensure that the alignment mark completely falls on the center of the visual field of the alignment lens, and the abnormal alignment sometimes occurs.

SUMMERY OF THE UTILITY MODEL

Therefore, it is desirable to provide a screen printing machine to eliminate the error between different screens and to prevent the occurrence of abnormal alignment.

To achieve the above object, the present invention provides a screen printing machine comprising: the device comprises a screen printer support, a carrying platform, a first spring, a first motor and an alignment lens;

the screen printer support includes: the bearing side wall and the two bearing brackets; the two bearing supports are arranged on the same side of the bearing side wall and are connected with two ends of the bearing side wall; the load bearing support includes: a high table top and a low table top; the low table top is arranged on one side of the high table top, the high table top is higher than the low table top, one sides of the two bearing supports, which are provided with the low table top, are oppositely arranged, and the low table top is used for placing a screen printing plate; the output end of the first motor vertically penetrates through the side wall below one high platform surface, the first spring is vertically arranged in the side wall below the other high platform surface, one end, close to the first motor, of the first spring extends out of the side wall below the high platform surface, the other end of the first spring is abutted against the inside of the side wall below the high platform surface, and the first spring and the first motor are located on the same horizontal plane;

the carrying platform is positioned below the bearing support and used for placing a glass substrate, and the alignment lens is arranged below the carrying platform and used for identifying marks on the screen printing plate.

Furthermore, the alignment lenses are multiple and are respectively located below four corners of the carrying platform.

Further, still include: and the plurality of grippers are arranged, one end of each gripper is movably connected with the high table top, and the other end of each gripper is arranged above the low table top and used for fixing the screen printing plate on the low table top.

Furthermore, a second motor is further arranged at one end of the low table top, which is far away from the bearing side wall, the second motors are respectively arranged on the two low table tops, and the output end of the second motor is perpendicular to the bearing side wall;

and a second spring is further arranged on one side of the bearing side wall close to the second motor, the second spring and the second motor are positioned on the same horizontal plane, and the first motor and the second motor are positioned on the same horizontal plane.

Furthermore, a groove is further arranged on the low table top and is positioned below the second motor and used for accommodating the second motor; and a telescopic rod is further arranged in the groove and connected with the second motor for driving the second motor to reciprocate up and down.

Further, the number of the first springs is two, and the number of the first motors is two, wherein one first motor is arranged close to the bearing side wall, and the other first motor is arranged far away from the bearing side wall; one of the first springs is arranged close to the bearing side wall, and the other first spring is arranged far away from the bearing side wall.

Further, still include: and the control unit is electrically connected with the carrying platform, the first motor and the contraposition lens.

Different from the prior art, the technical scheme fixes and finely adjusts the screen printing plate on the low table top through the matching of the first spring, the first motor and the low table top, specifically, the screen printing plate is firstly placed on the low table top, and one side of the screen printing plate is close to the bearing side wall; and then the first motor pushes the screen to extrude the first spring on the other side, and the position of the screen is finely adjusted through the first spring on the side wall of the high platform surface, so that the mark on the screen is positioned in the middle of the alignment lens, the error existing between different screens is eliminated, and the abnormal alignment condition is prevented.

Drawings

FIG. 1 is a top view of the screen printing machine;

FIG. 2 is a schematic view of the second motor position;

fig. 3 is a schematic diagram of the alignment lens and the mark position.

Description of reference numerals:

11. a load bearing sidewall; 12. a load bearing support;

121. a high table top; 122. a low table top;

2. a stage; 3. a first spring; 4. a first motor; 5. aligning a lens; 6. a gripper; 7. a second motor; 8. a second spring; 9. screen printing; 10. and (4) marking.

Detailed Description

To explain technical contents, structural features, and objects and effects of the technical solutions in detail, the following detailed description is given with reference to the accompanying drawings in conjunction with the embodiments.

Referring to fig. 1 to 3, the present embodiment provides a screen printing machine, including: the device comprises a screen printer support, a carrying platform 2, a first spring 3, a first motor 4 and an alignment lens 5; the screen printer support includes: a carrying side wall 11 and two carrying brackets 12; the two bearing brackets 12 have the same length, and the two bearing brackets 12 are arranged on the same side of the bearing side wall 11 and connected with two ends of the bearing side wall 11; the carrier support 12 comprises: a high mesa 121, a low mesa 122; the low table top 122 is arranged on one side of the high table top 121, the high table top 121 is higher than the low table top 122, the two sides of the bearing supports 12 provided with the low table top 122 are oppositely arranged, and the low table top 122 is used for placing the screen printing plate 9; the output end of the first motor 4 vertically penetrates through the side wall of one high table-board 121, the first spring 3 is vertically arranged in the other high table-board 121, one end of the first spring 3 close to the first motor 4 extends out of the side wall of the high table-board 121, the other end of the first spring 3 is abutted in the high table-board 121, and the first spring 3 and the first motor 4 are positioned on the same horizontal plane; the stage is located below the carrying support 12 for placing a glass substrate, and the alignment lens 5 is disposed below the stage 2 for identifying the mark 10 on the screen 9. In some embodiments may also include: and the control unit is electrically connected with the carrying platform 2, the first motor 4 and the alignment lens 5, and is used for controlling the carrying platform 2 and the first motor 4 and receiving a message sent by the alignment lens 5. Referring to fig. 2 to 3, in some embodiments, to improve the accuracy of the transfer, the alignment lenses 5 are multiple, and the alignment lenses 5 are respectively located below four corners of the carrier 2. It should be noted that each alignment lens 5 corresponds to one mark 10, and the mark 10 is in a cross shape. It should be noted that the screen printer support is in a concave shape, a gap in the middle is used for placing the screen 9 and for transfer printing, and the size of the gap is larger than that of the carrier 2. In actual operation, the screen plate 9 is grasped by a human or a mechanical arm and placed on the bearing supports 12 at two sides, and meanwhile, one side of the screen plate 9 needs to be tightly attached to the bearing side wall 11 through the human or the mechanical arm; then the first motor 4 is started, a push rod on the first motor 4 pushes the screen plate 9, so that the screen plate 9 extrudes a spring on the side wall of the upper platform at the other side; the position of the screen plate 9 is finely adjusted by the cooperation of the first motor 4 and the first spring 3. Specifically, when the mark 10 is found not to be located at the center of the alignment lens 5; the first motor 4 can make the elastic force of the first spring 3 larger than the thrust of the first motor 4 by reducing the thrust in the direction of the first spring 3, so as to move the screen plate 9 in the direction of the first motor 4; or the first motor 4 can make the elastic force of the first spring 3 smaller than the thrust of the first motor 4 by increasing the thrust in the direction of the first spring 3, so that the screen plate 9 moves in the direction of the first spring 3, thereby achieving the purpose of fine adjustment. In the above technical solution, the screen plate 9 on the low table top 122 is fixed and fine-tuned by the cooperation of the first spring 3, the first motor 4 and the low table top 122, specifically, the screen plate 9 is placed on the low table top 122, and one side of the screen plate 9 is close to the bearing sidewall 11; then, the first motor 4 pushes the screen plate 9 to press the first spring 3 on the other side, and the position of the screen plate 9 is finely adjusted through the first spring 3 on the sidewall of the high table-board 121, so that the mark 10 on the screen plate 9 is located in the middle of the alignment lens 5, thereby eliminating errors existing between different screen plates 9 and preventing abnormal alignment.

In order to adjust the position of the screen plate 9 more precisely, in the present embodiment, there are two first springs 3, and two first motors 4, where one first motor 4 is disposed close to the carrying sidewall 11, and the other first motor 4 is disposed away from the carrying sidewall 11; one of the first springs 3 is disposed close to the load-bearing side wall 11, and the other first spring 3 is disposed away from the load-bearing side wall 11. It should be noted that when the screen 9 is tilted, the position of the screen 9 can be adjusted by adjusting the single first motor 4.

Referring to fig. 2, the embodiment further includes: and a plurality of grippers 6 are arranged, one end of each gripper 6 is movably connected with the high table-board 121, and the other end of each gripper is arranged above the low table-board 122 and used for fixing the screen printing plate 9 on the low table-board 122. It should be noted that, in this embodiment, the hand grip 6 is arranged on the upper platform in a lifting manner, and after the adjustment of the screen plate 9 is completed, the hand grip 6 moves downward and is tightly buckled on the screen plate for fixing the screen plate. Of course, in some embodiments, the hand grip 6 is rotatably connected to the high table 121, that is, after the screen 9 is adjusted, the hand grip 6 rotates around the connection between the hand grip 6 and the high table 121, so that the other end of the hand grip 6 is fastened to the screen 9, and the hand grip is used to prevent the screen 9 from being displaced during the transfer process, which affects the screen printing precision.

Referring to fig. 1 to fig. 2, in some embodiments, a second motor 7 is further disposed at an end of the lower mesa 122 away from the carrying sidewall 11, the second motors 7 are respectively disposed on the two lower mesas, and an output end of the second motor 7 is perpendicular to the carrying sidewall 11; a second spring 8 is further disposed on one side of the bearing side wall 11 close to the second motor 7, the second spring 8 and the second motor 7 are located on the same horizontal plane, and the first motor 4 and the second motor 7 are located on the same horizontal plane. In this embodiment, when the screen plate 9 is not provided on the screen printing machine, the push rod end of the second motor 7 is in the retracted state; specifically, the screen 9 is placed into the screen printer through a manipulator or manually from above the second motor 7, the screen printer detects that the screen 9 is placed in the screen printer, the second motor 7 is started, a push rod of the second motor 7 pushes the screen to extrude the second spring 8 on the bearing side wall 11, and then the first motor 4 is started, so that the screen 9 extrudes the first spring 3 and the second spring 8 at the same time; then fine tuning is performed. It should be further noted that the second motor 7 pushes the screen 9 to press the second spring 8 on the other side, and the position of the screen 9 is finely adjusted through the second spring 8 on the carrying sidewall 11, so that the mark 10 on the screen 9 is located in the middle of the alignment lens 5, thereby eliminating errors existing between different screens 9 and preventing abnormal alignment. Specifically, when the mark 10 is found not to be located at the center of the alignment lens 5; the first motor 4 can make the elastic force of the first spring 3 larger than the thrust of the first motor 4 by reducing the thrust in the direction of the first spring 3, so as to move the screen plate 9 in the direction of the first motor 4; or the first motor 4 can make the elastic force of the first spring 3 smaller than the thrust of the first motor 4 by increasing the thrust in the direction of the first spring 3, so as to move the screen plate 9 in the direction of the first spring 3; the second motor 7 can make the elastic force of the second spring 8 larger than the thrust of the second motor 7 by reducing the thrust in the direction of the second spring 8, so as to move the screen plate 9 in the direction of the second motor 7; or the second motor 7 may increase the pushing force in the direction of the second spring 8, so that the elastic force of the second spring 8 is smaller than the pushing force of the second motor 7, and the screen plate 9 is moved in the direction of the second spring 8; through the combined action of the first spring 3, the first motor 4, the second spring 8 and the second motor 7 in four directions, the screen plate 9 can be finely adjusted in four axial directions, the forward/backward/left/right movement of each part of the screen plate 9 can be separately controlled, the flexibility of operating equipment of personnel is improved, and the transfer precision of the transfer machine is improved.

In some embodiments, a groove is further disposed on the lower stage 122, and the groove is located below the second motor 7 and is used for accommodating the second motor 7; and a telescopic rod is further arranged in the groove and connected with the second motor 7 for driving the second motor 7 to reciprocate up and down. It should be noted that, in this embodiment, when there is no screen plate 9 on the screen printing machine, the second motor 7 is disposed in the groove; specifically, when the screen 9 is placed into the screen printing machine by a manipulator or manually, the screen printing machine detects that the screen 9 is placed in, starts the telescopic rod, lifts the second motor 7, so that the second motor 7 and the second spring 8 are in the same horizontal plane, a push rod of the second motor 7 pushes the screen to extrude the second spring 8 on the bearing side wall 11, and then starts the first motor 4, so that the first spring 3 and the second spring 8 are extruded by the screen 9 at the same time; then fine tuning is performed. The arrangement of the groove facilitates the taking and placing of the screen printing plate 9, and improves the transfer efficiency

It should be noted that, although the above embodiments have been described herein, the scope of the present invention is not limited thereby. Therefore, based on the innovative concept of the present invention, the changes and modifications of the embodiments described herein, or the equivalent structure or equivalent process changes made by the contents of the specification and the drawings of the present invention, directly or indirectly apply the above technical solutions to other related technical fields, all included in the protection scope of the present invention.

Claims

1. A screen printing machine, comprising: the device comprises a screen printer support, a carrying platform, a first spring, a first motor and an alignment lens;

2. A screen printing machine according to claim 1, wherein the alignment lens is plural, and the plural alignment lenses are respectively located below four corners of the stage.

3. A screen printing machine according to claim 1, further comprising: and the plurality of grippers are arranged, one end of each gripper is movably connected with the high table top, and the other end of each gripper is arranged above the low table top and used for fixing the screen printing plate on the low table top.

4. A screen printing machine according to claim 1, wherein a second motor is further provided at an end of the lower table remote from the carrying side wall, the second motors are respectively provided on the two lower tables, and an output end of the second motor is perpendicular to the carrying side wall;

5. A screen printing machine according to claim 4, wherein a recess is provided in the lower table, the recess being located below the second motor for receiving the second motor; and a telescopic rod is further arranged in the groove and connected with the second motor for driving the second motor to reciprocate up and down.

6. A screen printing machine according to claim 1, wherein there are two first springs and two first motors, one of the first motors being located adjacent the load bearing side wall and the other of the first motors being located remote from the load bearing side wall; one of the first springs is arranged close to the bearing side wall, and the other first spring is arranged far away from the bearing side wall.

7. A screen printing machine according to claim 1, further comprising: and the control unit is electrically connected with the carrying platform, the first motor and the contraposition lens.