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Laser welding device and welding method for hose and plug

A technology of laser welding and hose, which is applied in the field of laser welding devices, can solve the problems of affecting the quality of liquid medicine, the sealing is not tight enough, and the plug is easy to fall out, etc., so as to avoid contact pollution, improve sealing performance, and increase the yield.

Active Publication Date: 2017-01-18
SHINVA MEDICAL INSTR CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Especially in the hose plug-in combination, when the plug of PP material is sealed with the hose of PP material, if the diameter of the plug is too large, burrs are likely to be generated when the hose is inserted, which may affect the quality of the liquid medicine.
And if the plug is small, the seal will not be tight enough, and the plug will fall out more easily
Although some lubricating and sealing medium was added to the plug when plugging, the effect was not ideal

Method used

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  • Laser welding device and welding method for hose and plug

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] Embodiment 1: as figure 1 As shown, the laser welding device for a hose and a plug according to the present invention includes a hose clamp 1, and one end of the hose clamp 1 is provided with a clamp hole 2 adapted to the shape of the hose, and the hose clamp 1 is located between the clamp hole 2 and The side position is provided with a reflective mask plate 3, a servo electric cylinder 4, a moving slider on the servo electric cylinder 4, and a laser generator 5, which is fixed on the moving slider to generate laser light. The reflector 5 and the reflective mask plate 3 are located at the same horizontal position.

Embodiment 2

[0025] Embodiment 2: On the basis of the structure described in Embodiment 1, the number of reflective mask plates 3 is two, and the two reflective mask plates 3 are symmetrical to each other according to the center of the clamping hole 2 .

Embodiment 3

[0026] Embodiment 3: On the basis of the structure described in Embodiment 2, the hose clamp 1 is provided with a center line, the center line passes through the center of the clamp hole 2, and the included angle between the reflective mask plate 3 and the center line is 45 degrees to 90 degrees, The normal distance from the reflective mask plate 3 to the clamping hole 2 is 10mm-30mm.

[0027] Operation steps and working principle:

[0028] In the welding method of the laser welding device for the hose and the plug, the hose is clamped into the clamp hole of the hose clamp 1, and then welded. The specific method is:

[0029] (1) Adjust the angle of the reflective mask plate 3 and the normal phase distance from the clamp hole 2 to ensure that the laser generator 5 can reflect when the laser generator 5 is driven by the servo electric cylinder 4 to scan the reflective mask plate 3 . The laser reflected by the mask plate 3 can completely cover the welding surface that the laser...

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Abstract

The invention provides a flexible pipe and a plug laser welding apparatus and a welding method thereof, which belongs to the medical flexible pipe and plug welding equipment and method fields. The laser welding apparatus comprises a flexible pipe clamp, a clamp aperture cooperated to shape of a flexible pipe is arranged at one end of the flexible pipe clamp, a masking plate and a servo electric cylinder are arranged on the flexible pipe clamp with one side of the clamp aperture, a mobile slide block and a laser generator are arranged on the servo electric cylinder, the laser generator is fixed on the mobile slide block, the laser generator and the masking plate are positioned on same horizontal position, so that sealing performance of the flexible pipe and the plug can be guaranteed, contact pollution can not be generated, and yield can be increased.

Description

technical field [0001] The invention provides a laser welding device for a hose and a plug and a welding method thereof, belonging to the field of welding equipment and methods for a medical hose and a plug. Background technique [0002] With the development of science and technology and people's higher requirements for medical products, the development speed of medical devices is also getting faster and faster. In terms of large infusions, the original glass bottle, and later the plastic bottle, and non-PVC soft bag gradually appeared. Now non-PVC soft bags are gradually popularized, and in soft bags, it is generally necessary to seamlessly combine the mouth tube and the cover tightly together, mainly including the welding of the hard mouth tube and the plug-in combination of the hose and the plug. Especially in the hose plug-in combination, when the plug of PP material is sealed with the hose of PP material, if the diameter of the plug is too large, burrs are likely to be...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B29C65/16
Inventor 郭伦袁帅付延超李朝磊
Owner SHINVA MEDICAL INSTR CO LTD
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