A mold for preventing a chip runner from collapsing during a hot press process

Abstract

The utility model discloses a kind of moulds for preventing chip flow channel from collapsing in hot-pressing process, it is related to microfluidic chip hot-pressing mould technical field, including mould one, mould one side surface has recess cavity one, and mould one inside has gas delivery channel and exhaust passage;Gas inlet of gas delivery channel is located on the outer wall surface of mould one, and gas outlet of gas delivery channel is located on the inner wall surface of recess cavity one;Exhaust port of exhaust passage is located on the outer wall surface of mould one, and gas inlet of exhaust passage is located on the inner wall surface of recess cavity one;Mould two, mould two side surface has recess cavity two, and mould one and mould two can be adapted to fit mould, and recess cavity one and recess cavity two are oppositely buckled to be used to place chip forming cavity for hot-pressing chip;Gas outlet and gas inlet can be one-to-one corresponding intercommunication arrangement in chip forming cavity chip sample inlet and chip sample outlet of chip to be hot-pressed.The utility model can effectively avoid microfluidic chip flow channel collapse, to guarantee the channel integrity of microfluidic chip after hot-pressing.

Claims

1. A mold for preventing a chip runner from collapsing during a hot press process, characterized by, include: Mold 1 (1), one side surface of mold 1 (1) has cavity 1 (11), and the interior of mold 1 (1) has gas supply channel (12) and exhaust channel (13); The air inlet (121) of the air supply channel (12) is located on the outer wall of the mold (1), and the air outlet (122) of the air supply channel (12) is located on the inner wall of the cavity (11); the exhaust outlet (131) of the exhaust channel (13) is located on the outer wall of the mold (1), and the air inlet (132) of the exhaust channel (13) is located on the inner wall of the cavity (11); Mold 2 (2), one side surface of mold 2 (2) has cavity 2 (21), mold 1 (1) and mold 2 (2) can be adapted to fit each other, and cavity 1 (11) and cavity 2 (21) are engaged to jointly construct a chip forming cavity (3) for placing the chip to be hot-pressed (4); The air outlet (122) and the air inlet (132) can be connected one-to-one to the chip inlet (41) and the chip outlet (42) of the chip to be heated and pressed arranged in the chip forming cavity (3).

2. The mold for preventing the chip flow channel from collapsing during the hot press process according to claim 1, wherein, The air inlet (121) is a threaded port that can be adapted to connect to a quick-connect air pipe connector.

3. The mold for preventing the chip flow channel from collapsing during the hot press process according to claim 2, wherein, The air inlet (121) is connected to and communicates with a quick-connect fitting for connecting the air compressor supply line.

4. The mold for preventing the chip flow channel from collapsing during the hot press process according to claim 1, wherein, The exhaust port (131) is a threaded port that can be adapted to connect to a quick connector.

5. The mold for preventing the chip flow channel from collapsing during the hot press process according to claim 4, wherein, The exhaust port (131) is connected to and communicates with a quick-connect fitting for connecting an exhaust pipe.

6. The mold for preventing the chip flow channel from collapsing during the hot press process according to claim 1, wherein, The air inlet (121) and the exhaust outlet (131) are arranged on opposite side walls of the mold (1).

7. The mold for preventing the chip flow channel from collapsing during the hot press process according to claim 1, wherein, The air outlet (122) and the air inlet (132) are both located on the bottom wall of the concave cavity (11).

8. The mold for preventing the chip flow channel from collapsing during the hot press process according to claim 1, wherein, A guide positioning post (14) is fixed on one side surface of the mold one (1) corresponding to the outer periphery of the cavity one (11); a guide positioning hole (22) is opened on one side surface of the mold two (2) corresponding to the outer periphery of the cavity two (21); when the mold one (1) and the mold two (2) are closed, the guide positioning post (14) can be adapted to be inserted into the guide positioning hole (22) for mold closing guidance.

9. The mold for preventing the chip flow channel from collapsing during the hot press process according to claim 1, wherein, Both mold one (1) and mold two (2) are stainless steel molds.

10. The mold for preventing the chip flow channel from collapsing during the hot press process according to claim 1, wherein, There is a hot-pressing deformation gap between the inner peripheral wall of the chip forming cavity (3) and the outer peripheral wall of the chip to be hot-pressed (4).

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