Screen printing clamping and positioning platform for special-shaped plane printing stock
A technology for clamping, positioning, and substrates, applied in screen printing, screen printing, printing, etc., to solve the problem that the positioning accuracy or fixing strength of the substrate does not meet the requirements of screen printing, the positioning and clamping are unbalanced, and the work efficiency is affected. and other problems, to achieve the effect of convenient and easy positioning and fixing, high positioning accuracy, and ensuring printing quality
Active Publication Date: 2022-05-03
CHANGSHA JIANYU SCREEN PRINTING MACHINERY
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Problems solved by technology
However, for irregular-shaped (such as trapezoidal) sheet substrates, due to the difference in the contact stroke between the oblique side of the substrate (called the clamping surface) and the clamp, the positioning and clamping is not balanced or the clamping is not tight. Condition
In practice, the positioning and clamping of the substrate need to be adjusted repeatedly, which affects work efficiency; and it is easy to appear that the positioning accuracy or fixing force of the substrate does not meet the requirements of screen printing
Method used
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Embodiment Construction
[0031] Referring to the accompanying drawings, reflecting a specific structure of the present invention, the screen printing clamping and positioning platform for special-shaped flat substrates includes an electro-permanent magnet platform 100 supporting the substrate, and the electro-permanent magnet platform 100 is provided with a concave 500 printing stations. The two adjacent sides of the printing station 500 are respectively provided with two fixed positioning parts 200, and the sides of the two printing stations opposite to the sides where the fixed positioning parts 200 are located are respectively provided with two movable positioning parts. The movable positioning part adopts the follower bearing 4, and the follower bearing 4 makes rolling contact between the side of the substrate and the movable positioning part. It is convenient for the substrate to be moved and positioned simultaneously along the X-axis direction and the Y-axis direction. The movable positioning p...
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The screen printing clamping and positioning platform is characterized in that fixed positioning pieces are arranged on the two adjacent sides of a printing station respectively, at least two movable positioning pieces are arranged on the opposite sides of the fixed positioning pieces, and a positioning compensation mechanism of each movable positioning piece comprises a connecting piece driven by an air cylinder to do linear reciprocating motion; compensation positioning assemblies are arranged on the two sides of the connecting piece respectively, each compensation positioning assembly comprises a movable positioning piece fixed to the sliding block and a stroke adjusting block movably connected with the connecting piece, and a stroke adjusting screw penetrates through the stroke adjusting block and the spring and is in threaded connection with the sliding block. The position adjusting screw rod is in threaded connection with the connecting piece, and the tail end of the position adjusting screw rod abuts against the stroke adjusting block. The platform is suitable for clamping and positioning the printing stock with the special-shaped plane, the positioning precision is high, and the printing stock can be quickly and conveniently clamped and positioned; adjustment is facilitated to adapt to printing stocks with different clamping surface differences; the printing quality is ensured; the structure integration level is high and the size is small.
Description
technical field [0001] The invention relates to a substrate supporting platform in screen printing equipment, in particular to a positioning platform for planar printing substrates. Background technique [0002] In the planar screen printing equipment, after the sheet-like substrate is placed on the support platform for positioning, it is sent into the equipment to complete the planar printing by the screen plate and the printing head. For substrates with regular shapes (such as rectangles), right-angle positioning and / or fixture positioning can be used for positioning, which generally can meet the requirements of positioning accuracy and positioning strength. However, for irregular-shaped (such as trapezoidal) sheet substrates, due to the difference in the contact stroke between the oblique side of the substrate (called the clamping surface) and the clamp, the positioning and clamping is not balanced or the clamping is not tight. Condition. In practice, the positioning an...
Claims
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IPC IPC(8): B41F15/26B41F15/22B41F15/14
CPCB41F15/26B41F15/22B41F15/14B41P2200/40B41P2215/50B41P2215/114Y02P70/50
Inventor 肖辉李建立张宇
Owner CHANGSHA JIANYU SCREEN PRINTING MACHINERY