On-line detection technology of reversion defect of disposable injection needle

A technology for injection needles and detection technology, which is applied in the field of online detection technology for reverse-installation defect detection of disposable injection needles. It can solve problems such as heavy workload, inability to adapt to large-scale production, and large human eye damage, and meet the needs of industrial online production. , Accurate needle anti-installation defect detection, avoiding difficult effects

Inactive Publication Date: 2010-09-15
EAST CHINA JIAOTONG UNIVERSITY
View PDF0 Cites 9 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This artificial visual method has a large workload, and because the diameter of the needle is very small, the reliability of manual visual inspection for a long time is poor, and it depends on the experience and responsibility of the inspectors. Repeated operations for a long time will easily cause visual fatigue and reduce work efficiency. Extremely low, and more harmful to human eyes, can not meet the needs of mass production

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • On-line detection technology of reversion defect of disposable injection needle
  • On-line detection technology of reversion defect of disposable injection needle
  • On-line detection technology of reversion defect of disposable injection needle

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0016] The device of the present invention includes: lighting device, stepping motor and driver, motor control module [c] FP-PWM-520, CCD camera, lens, PC, conveyor belt and pulley, etc.

[0017] The existing production process of injection needles is as follows: firstly, the injection needle base is installed on the needle row, and then the injection needle is inserted into the injection needle base by the automatic installation device, and the entire needle is discharged to the automatic conveyor belt on the needle production line, and finally brushed. glue, drying and other processes. In the process of automatic installation of the injection needle to the injection needle base, the phenomenon that the needle tip is partially inserted into the base often occurs, that is, the reverse installation phenomenon mentioned in the present invention. Existing production enterprises arrange a full-time person for manual visual inspection at this station, which is time-consuming and la...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

PUM

No PUM Login to view more

Abstract

The invention discloses an on-line detection technology of the reversion defect of a disposable injection needle. A detection device comprises a lighting device and a CCD industrial digital camera used for acquiring an image; a conveying device comprises a [c] FP controller, a step motor, a belt wheel, a conveying belt and the like; and a virtual apparatus LabVIEW is used for constructing a software platform to realize automatic detection and alarming of the reversion defect of the injection needle. In a process of producing and assembling the disposable injection head, the needle is easy to produce the reversion defect (a needle point is inserted into a needle stand); and because shapes of the needle point and the bottom are different, the shape of the needle point after the reversion changes, which is the detection basis. The designed lighting device provides uniform stable shadowless lighting, under the action of the lighting device, the CCD camera obtains a sharp image of the needle point, and the reversion or not of the needle can be detected accurately by using the LabVIEW virtual software platform. A detection result is directly displayed by computer software and alarmed.

Description

technical field [0001] The invention relates to an on-line detection technology, in particular to an on-line detection technology for detection of reverse assembly defects of disposable injection needles. Background technique [0002] At present, my country's disposable injection needle manufacturers are using manual visual methods to check whether there is needle reverse loading in the needle production line. This artificial visual method has a large workload, and because the diameter of the needle is very small, the reliability of manual visual inspection for a long time is poor, and it depends on the experience and responsibility of the inspectors. Repeated operations for a long time will easily cause visual fatigue and reduce work efficiency. It is extremely low, and the damage to human eyes is relatively large, so it cannot meet the needs of mass production. Contents of the invention [0003] The purpose of the present invention is to provide an online detection tech...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

Application Information

Patent Timeline
no application Login to view more
Patent Type & Authority Applications(China)
IPC IPC(8): G01N21/88G01N21/892
Inventor 周建民尹洪妍周其显周佳刘正平杨超
Owner EAST CHINA JIAOTONG UNIVERSITY
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap