Automatic needle assembling device

Abstract

The invention discloses an automatic needle assembling device which comprises a rack. Assembling modules on the rack are used for assembling glass needles and rubber sleeves by utilizing the cooperation of sleeves and ejector pins; rubber sleeve feeding modules are used for providing the rubber sleeves to be assembled; rubber sleeve picking and press-fitting modules are used for sucking the rubbersleeves provided by the rubber sleeve feeding modules, and press-fitting the rubber sleeves onto the sleeves in a one-to-one correspondence way; glass needle feeding modules are used for providing the glass needles to be assembled, and enabling the glass needles to fall into the sleeves in a one-to-one correspondence way; and pressing modules are used for press-fitting with assembling jigs and fixing the positions of the rubber sleeves on pick-and-place plates. The automatic needle assembling device provided by the invention is high in automation degree and capable of automatically accomplishing assembling operation of the glass needles and the rubber sleeves, and has the advantages of stability and accuracy in production; without manual touch, the pollution caused on the reaction surfaces of the glass needles due to manual touch is avoided; by applying the sleeves, the problem that the glass needles are pressed so as to be fractured during the assembling process is solved; and by applying the ejector pins, the assembling accuracy of the lengths of one ends, exposed out of the rubber sleeves, of the glass needles can be well controlled.

Description

technical field [0001] The invention relates to the technical field of medical kit production, in particular to an automatic needle loading device. Background technique [0002] During the production of the kit, the glass needle 1 needs to be assembled on the rubber sleeve 2 (see figure 1 shown in ). Since the kit is used for medical testing, the reaction surface (end surface) of the glass needle is not allowed to be touched during the assembly process. At the same time, the diameter of the glass needle is only 1mm, which is fragile, and the rubber sleeve is soft and thin. The needle is exposed at one end of the rubber sleeve ( figure 1 The length of the bottom end of the middle glass needle) requires high precision (no more than 0.2mm). The above reality makes it very difficult to assemble the glass needle on the rubber sleeve. [0003] In the prior art, the glass needle and the rubber sleeve are assembled manually with the help of semi-automatic fixtures, which often c...

AI Technical Summary

Problems solved by technology

The above reality makes it very difficult to assemble the glass needle on the rubber sleeve

[0003] In the prior art, the glass needle and the rubber sleeve are assembled manually with the help of semi-automatic fixtures, which often cause contamination by accidentally touching the reaction surface of the glass needle. At the same time, the glass needle is easily broken due to improper operation during the assembly process. The length of the glass needle exposed at the end of the rubber sleeve cannot be precisely controlled

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