Automatic board turnover device for flexible circuit board spray printing machine
A technology for flexible circuit boards and inkjet printers, applied in printing devices, printing and other directions, can solve the problems of time-consuming and labor-intensive, low accuracy of manual turning over positioning, etc., to simplify the process flow, save the conversion and positioning, and reduce the floor space. Effect
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Embodiment 1
[0032] An automatic turning device for a flexible circuit board printing machine, comprising a turning mechanism bracket 20 arranged on one side of the flexible circuit board printing machine 23, driven by a turning motor 22 on the turning mechanism bracket 20 The rotating shaft 21, the positioning plate 1 fixed on the rotating shaft 21 through the connecting piece 26, and the adsorption platform 12 arranged at the bottom of the positioning plate 1 through the buffer assembly 30;
[0033] Wherein, the buffer assembly includes a guide sleeve 2 fixed on the upper surface of the adsorption platform and a spring guide column 3 that moves up and down in the inner cavity of the guide sleeve 2; wherein the top end of the spring guide column 3 is fixed on the On the positioning plate 1, the upper outer edge of the spring guide column 3 is fixedly provided with an upper limiter 4 to form a support for the guide sleeve 2 in the overturned state, and the lower outer edge of the spring gui...
Embodiment 2
[0040] In this embodiment, on the basis of Embodiment 1, the shape and number of each component are optimized.
[0041] As a preferred manner, the positioning plate 1 is a rectangular plate, and the top end of the spring guide post 3 is fastened to the positioning plate 1 by screws. Simple structure, easy to assemble and assemble.
[0042] As a preferred manner, there are four buffer assemblies, which are respectively symmetrically arranged at four corners of the bottom of the positioning plate 1 . The symmetrically arranged structure makes the stress between the adsorption platform and the turnover plate more uniform.
[0043] As a preferred manner, the upper limit member 4 and the lower limit member 5 are respectively limit rings fixed on the upper and lower ends of the outer wall of the spring guide post 3 . The annular structure has a large stress surface.
Embodiment 3
[0045] In this embodiment, on the basis of Embodiment 1, the adsorption platform 12 is further improved.
[0046] The adsorption platform 12 includes a microporous plate 7 forming an adsorption surface, a boss 8 fixed on the top of the micropore plate 7 and an adsorption bottom plate 9 supported by the boss 8, wherein the upper part of the adsorption bottom plate 9 is Fitted with a pipe joint 10, the combination of the pipe joint 10, the groove formed between the bosses 8 and the microholes formed on the micropore plate 7 forms an airflow channel.
[0047] Way of working:
[0048] The suction fan is connected to the pipe joint 10 through a pipeline, and negative pressure is generated through the airflow channel. Since the micropores are densely covered with micropores, even if the sucked object (such as a flexible circuit board) does not cover the entire surface of the micropores, the negative pressure lost The pressure is still less, and enough negative pressure can be gener...
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