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A screen printing pitch self-adjusting device

A technology of screen printing and pitch, applied in screen printing machine, printing, printing machine and other directions, can solve the problems of easy change of pitch and low color registration accuracy of screen printing, so as to improve accuracy and ensure accurate The effect of high degree of stability and automation

Active Publication Date: 2019-03-15
网都河北科技服务有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to overcome the defects and problems existing in the prior art that the pitch is easy to change and the accuracy of screen printing color registration is low, and to provide a method that does not change the pitch and has high accuracy of screen printing color registration. Screen printing pitch self-adjusting device

Method used

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  • A screen printing pitch self-adjusting device
  • A screen printing pitch self-adjusting device
  • A screen printing pitch self-adjusting device

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0044] see Figure 1 to Figure 6 , a screen printing pitch self-adjusting device, including an elliptical guide rail 1, a fixed pallet 2, a support plate 3 and a pallet 4, the fixed pallet 2 is an elliptical structure, and the periphery of the fixed pallet 2 is surrounded by concentric The elliptical guide rail 1, the elliptical guide rail 1 and the rollers provided at the bottom of the support plate 3 roll and cooperate with each other, and the top of the support plate 3 is connected with the bottom of the platen 4;

[0045] The number of the support plates 3 is greater than or equal to three, and the adjacent support plates 3 are connected by a link eccentric mechanism 5, and a link eccentric mechanism 5 includes a middle link 51 and two connecting rods connected to its two ends. Eccentric joint 52, this eccentric joint 52 is arranged on one end near fixed pallet 2 on support plate 3, is provided with two eccentric joints 52 on a support plate 3; Described eccentric joint 52...

Embodiment 2

[0047] Basic content is the same as embodiment 1, the difference is:

[0048] The eccentric fixture 54 is a vertical structure, comprising a top 541 of the fixture, a middle part 542 of the fixture and a bottom 543 of the fixture connected sequentially from top to bottom. , the limiting plate 55 is set wider than the cross section of the eccentric ring 53 . The eccentric fixture 54 has the following two options:

[0049] The first type, the eccentric firmware 54 is a waist structure, the top 541 of the firmware and the bottom 543 of the firmware are wider than the central part 542 of the firmware, and the side of the central part 542 of the firmware is an arc surface. Prevent the eccentric ring 53 from being thrown out;

[0050] Second, the side of the firmware middle part 542 is a wave structure, and the top part 541 of the firmware and the bottom part 543 of the firmware are all wider than the narrowest surface of the middle part 542 of the firmware. During use, the wave s...

Embodiment 3

[0052] Basic content is the same as embodiment 1, the difference is:

[0053] The bottom of the support plate 3 is provided with a No. 1 inner roller 31, a No. 2 inner roller 32, a No. 1 outer roller 33, and a No. 2 outer roller 34. Inner wall rolling fit, the No. 1 outer roller 33 and the No. 2 outer roller 34 are rolled with the outer wall of the elliptical guide rail 1, and the No. 1 inner roller 31 and the No. 2 inner roller 32 are line-symmetric with the central axis of the support plate 3 as the line of symmetry For setting, the No. 1 outer roller 33 and the No. 2 outer roller 34 are arranged symmetrically with the central axis of the support plate 3 as the line of symmetry. Preferably, the distance between the No. 1 inner roller 31 and the No. 2 inner roller 32 is smaller than the distance between the No. 1 outer roller 33 and the No. 2 outer roller 34 .

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PUM

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Abstract

The invention discloses a pitch self-adjusting device for screen printing. The pitch self-adjusting device comprises an elliptical guide rail, a fixed plate table, supporting plates and a platen, wherein the elliptical guide rail which is concentric with the fixed plate table is arranged on the periphery of the fixed plate table in a surrounding mode, the tops of the supporting plates are connected with the bottom of the platen, the number of the supporting plates is larger than or equal to three, every two adjacent supporting plates are connected through an eccentric connecting rod mechanism, and four side rollers and two top rollers are arranged on the bottom of each supporting plate for being matched with the inner and outer side wall and the top of the elliptical guide rail in a rolling mode respectively. According to the design of the pitch self-adjusting device, the pitch is not changed, the accuracy of screen printing color registering is improved, the automation degree is high, the stability is high, the impact is small, the noise is low and the safety is high.

Description

technical field [0001] The invention relates to a screen printing device, in particular to a screen printing pitch self-adjusting device, which is particularly suitable for avoiding pitch changes and improving the accuracy of screen printing color registration. Background technique [0002] In the traditional screen printing, the movement track of the platen adopts a single track, and the adjacent platens are connected by chains. Not only the connection structure of the platen is complicated, but the movement speed is slow. The length will be stretched and elongated, which will cause the distance (pitch) between the platens to change, resulting in inaccurate drive positioning of the platen and inaccurate color registration of the screen printing. In addition, when the platen passes through its moving track, the impact Loud, noisy, jerky motion. Contents of the invention [0003] The purpose of the present invention is to overcome the defects and problems existing in the p...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B41F15/14
CPCB41F15/14
Inventor 张智明卢宾宾孙俊徐巧刘芳姬巧玲祖耀梅顺齐
Owner 网都河北科技服务有限公司