CN109571963B - Manufacturing process of gold-plastic welded steel wire reinforced tracheal cannula - Google Patents
Manufacturing process of gold-plastic welded steel wire reinforced tracheal cannula Download PDFInfo
- Publication number
- CN109571963B CN109571963B CN201811345035.3A CN201811345035A CN109571963B CN 109571963 B CN109571963 B CN 109571963B CN 201811345035 A CN201811345035 A CN 201811345035A CN 109571963 B CN109571963 B CN 109571963B
- Authority
- CN
- China
- Prior art keywords
- welding
- steel wire
- semi
- finished
- stainless steel
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 45
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 30
- 239000010959 steel Substances 0.000 title claims abstract description 30
- 238000003466 welding Methods 0.000 claims abstract description 173
- 229910001220 stainless steel Inorganic materials 0.000 claims abstract description 71
- 210000003437 trachea Anatomy 0.000 claims abstract description 40
- 238000003825 pressing Methods 0.000 claims abstract description 36
- 238000005520 cutting process Methods 0.000 claims abstract description 31
- 238000010438 heat treatment Methods 0.000 claims abstract description 23
- 238000001816 cooling Methods 0.000 claims abstract description 8
- 239000011265 semifinished product Substances 0.000 claims description 45
- 238000004023 plastic welding Methods 0.000 claims description 20
- 238000001514 detection method Methods 0.000 claims description 19
- 238000002955 isolation Methods 0.000 claims description 12
- 238000012546 transfer Methods 0.000 claims description 8
- 238000001125 extrusion Methods 0.000 claims description 6
- 238000003860 storage Methods 0.000 claims description 5
- 230000000149 penetrating effect Effects 0.000 claims description 4
- 238000002360 preparation method Methods 0.000 claims description 4
- 230000007246 mechanism Effects 0.000 claims description 3
- 230000000007 visual effect Effects 0.000 claims description 3
- 238000005452 bending Methods 0.000 claims description 2
- 238000011049 filling Methods 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 7
- 230000008569 process Effects 0.000 abstract description 6
- 238000012797 qualification Methods 0.000 abstract description 5
- 238000005265 energy consumption Methods 0.000 abstract description 4
- 238000005470 impregnation Methods 0.000 abstract description 3
- 230000007613 environmental effect Effects 0.000 abstract description 2
- 239000000047 product Substances 0.000 description 9
- 239000000463 material Substances 0.000 description 7
- 230000000694 effects Effects 0.000 description 5
- 238000002627 tracheal intubation Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 230000007547 defect Effects 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 230000003749 cleanliness Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 239000011859 microparticle Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 231100000956 nontoxicity Toxicity 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 206010002091 Anaesthesia Diseases 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000037005 anaesthesia Effects 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 238000002680 cardiopulmonary resuscitation Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000004064 dysfunction Effects 0.000 description 1
- 238000002695 general anesthesia Methods 0.000 description 1
- 229940127554 medical product Drugs 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 210000000214 mouth Anatomy 0.000 description 1
- 210000003928 nasal cavity Anatomy 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 238000012805 post-processing Methods 0.000 description 1
- 238000005381 potential energy Methods 0.000 description 1
- 238000011112 process operation Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000000241 respiratory effect Effects 0.000 description 1
- 230000029058 respiratory gaseous exchange Effects 0.000 description 1
- 210000002345 respiratory system Anatomy 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
Abstract
The invention discloses a manufacturing process of a gold-plastic welded steel wire reinforced trachea cannula, which comprises the following steps: firstly, cutting a semi-finished pipe body; step two, the stainless steel wire spring is penetrated and sent to the interior of the semi-finished pipe body; setting welding parameters of welding equipment, contacting welding conductive electrodes with end points of two ends of the stainless steel wire spring, and installing the semi-finished pipe body assembled with the stainless steel wire spring in a pressing mold; step four, starting welding equipment, performing heating prewelding, performing stable welding, and closing the welding equipment after the welding is completed; step five, cooling: after the welding operation is finished, cooling the semi-finished pipe body and the pressing mold by using compressed cold air; and step six, detecting the welding quality. Through the manufacturing process disclosed by the invention, the stainless steel wire spring and the trachea cannula body can be rapidly welded together, the cost is obviously reduced compared with the traditional internal impregnation process, and the manufacturing process has the advantages of high qualification rate, low energy consumption, cleanness and environmental protection.
Description
Technical Field
The invention relates to the field of medical instruments, in particular to a manufacturing process, and particularly relates to a manufacturing process of a gold-plastic welded steel wire reinforced trachea cannula.
Background
Trachea cannula is the important medical instrument who uses in general anesthesia operation or cardiopulmonary resuscitation and the critical patient rescue process that accompanies respiratory dysfunction, and the surface that traditional endotracheal tube body inserted the end is provided with the gas cell, and the edge and the body airtight connection of gas cell and with the one way intake pipe one end intercommunication of inlaying on the body outer wall, the other end and the admission valve intercommunication of intake pipe, the gasbag is used for sealed air flue, trachea cannula leads to the chamber and is connected with the breathing machine for the patient breathes the oxygen suppliment. The endotracheal intubation is characterized in that a special endotracheal tube and an intubation tool are inserted into the trachea of a patient through the oral cavity or the nasal cavity, and the endotracheal intubation is a technique for performing endotracheal anesthesia or rescuing the patient and is the most reliable means for keeping the upper respiratory tract unobstructed.
In clinical use, a steel wire reinforced tracheal cannula (such as the reinforced tracheal cannula recorded in CN 201248945Y) is designed for tracheal intubation patients, particularly difficult airway patients. At present, the production process of the reinforced trachea cannula body is to extrude the body by an extruder, cut the body into standard length, penetrate a supporting spring (namely a stainless steel wire spring), fill the inner wall with liquid PVC plastic, naturally evacuate the liquid PVC plastic, cure and mold the liquid PVC material through a high-temperature drying channel, and coat the supporting spring in the body; and then the finished product of the tracheal cannula is produced through subsequent processing. The production and manufacturing process has the serious defects of long processing time period, poor product consistency, relatively high cost, fussy process operation implementation, low automation degree, poor production environment, easy pollution, reduced pipe body quality and the like.
Disclosure of Invention
The invention aims to overcome the defects in the prior art, and provides a manufacturing process of a gold-plastic welded steel wire reinforced trachea cannula, which can quickly weld a stainless steel wire spring and a trachea cannula body together, has the characteristics of high qualification rate, high production efficiency, no toxicity and no odor, obviously reduces the cost compared with the traditional internal impregnation process, and has the advantages of energy consumption reduction, cleanness and environmental protection.
The technical scheme adopted by the invention to solve the problems is to provide a manufacturing process of a gold-plastic welded steel wire reinforced trachea cannula, which comprises the following steps:
step one, cutting: cutting the trachea cannula body after extrusion molding into a semi-finished product tube body with the length required by the standard specification;
step two, assembling a stainless steel wire spring: filling high-pressure air into the semi-finished product pipe body to expand and increase the inner diameter of the semi-finished product pipe body, then penetrating the stainless steel wire spring into the semi-finished product pipe body to enable the stainless steel wire spring to be in a smooth and natural springing-open state, enabling the stainless steel wire spring to be located in the middle of the semi-finished product pipe body, naturally placing until the semi-finished product pipe body naturally contracts to the original inner diameter, and pressing the stainless steel wire spring;
step three, preparation work before welding: setting welding parameters of welding equipment, enabling welding conductive electrodes on the welding equipment to be in contact with end points of two ends of a stainless steel wire spring, installing a semi-finished pipe body assembled with the stainless steel wire spring in a pressing mold, and closing the pressing mold;
step four, gold-plastic welding: starting welding equipment, heating and pre-welding, and raising the temperature of a semi-finished tube body assembled with the stainless steel wire spring to 65-80 ℃ to ensure that the subsequent welding quality is more stable; after the heating prewelding is finished, performing stable welding to enable the semi-finished pipe body assembled with the stainless steel wire spring to be tightly and firmly combined with the stainless steel wire spring, and after the welding is finished, closing welding equipment to finish the welding operation;
step five, cooling: after the welding operation is finished, blowing compressed cold air on the surface of the welded semi-finished product pipe body and the pressing mold to reduce the temperature of the semi-finished product pipe body and the pressing mold to 25-45 ℃, opening the pressing mold, taking the welding conductive electrodes off from two ends of the welded semi-finished product pipe body, and taking the welded semi-finished product pipe body out of the pressing mold;
step six, welding quality detection: and carrying out quality detection on the welded semi-finished tube body, and storing the semi-finished tube body qualified in welding quality detection in a transfer storage box to finish the manufacture of the gold-plastic welded steel wire reinforced trachea cannula tube body.
Preferably, the trachea cannula body of step one cut through automatic guillootine, specifically be: assembling the trachea cannula body after extrusion molding on an automatic feeding mechanism of an automatic cutting machine, starting the cutting machine after setting cutting parameters, and cutting the trachea cannula body to a semi-finished product trachea body with the length required by a standard specification.
Preferably, the cutting parameters are set as follows: the cutting length was 36CM and the cutting speed was 1 m/s.
Preferably, the pressure of the high-pressure air filled into the semi-finished product tube in the step two is 0.4-0.6MPa, and the pressure maintaining time is 1 second.
Preferably, the welding device in step three includes a welding controller and a single-phase isolation transformer, the welding controller is connected to the single-phase isolation transformer, and the welding conductive electrode is mounted on the single-phase isolation transformer.
Preferably, the welding parameters of the welding equipment are set, that is, the execution parameters of the welding controller are set, and the parameters of the heating pre-welding are firstly set on the welding controller as follows: the time was 2 seconds and the welding current was 1.1A.
Preferably, the clamping pressure of the press mold is 15N.
Preferably, the heating pre-welding time in the fourth step is 2 seconds, the welding current is 1.1A, and the stable welding is performed after the heating pre-welding is finished, namely the welding parameters are adjusted to be 2.2A after the heating pre-welding is finished, the welding is continuously performed for 3 times, and the welding time is 2 seconds each time.
Preferably, the welding quality detection of the step six specifically comprises: carrying out visual detection and distortion detection on the welded semi-finished pipe body, and visually observing whether black spots or bubbles appear in the welded semi-finished pipe body and whether the welding surface is neat and beautiful; and (3) bending the welded semi-finished pipe body to an included angle of 60 degrees, and observing whether the stainless steel wire spring falls off or not, wherein the stainless steel wire spring is qualified if the stainless steel wire spring does not fall off.
By adopting the technical scheme, the invention has the following advantages:
the manufacturing process of the gold-plastic welding steel wire reinforced trachea cannula can effectively solve the problems of uneven wall thickness and poor transparency of the steel wire reinforced trachea cannula, and overcomes the defects of poor operation environment condition, low automation degree, low qualification rate, high energy consumption, high emission and the like of the original production process mode; the gold-plastic welding technology is a welding technology which connects two different materials together by welding metal and plastic to play a role in fixed connection. The gold-plastic welding is to make the inner molecules of the two materials instantaneously migrate and cross under the action of the electric potential energy outside the materials, and the two materials are crossed and combined together to form a joint surface. The gold-plastic welding has the advantages of being obvious, high in welding speed, low in welding cost, free of auxiliary welding materials, good in welding effect, clean and free of pollution, particularly suitable for welding medical products with high cleanliness requirements, free of post-processing after welding, capable of greatly improving production efficiency, remarkably reducing cost, free of any damage to operators, meanwhile, capable of avoiding the problem that medical equipment adhesives are peculiar in smell and toxic, and improving product transparency and appearance attractiveness.
The manufacturing process of the gold-plastic welding steel wire reinforced tracheal cannula does not need professional technical personnel, has high qualification rate, high production speed and good consistency, and the produced steel wire reinforced tracheal cannula meets the technical requirements of products.
In conclusion, the manufacturing process of the gold-plastic welding steel wire reinforced trachea cannula can rapidly weld the stainless steel wire spring and the trachea cannula body together, has the characteristics of high welding speed, high welding firmness, smooth welding surface, high welding transparency, high welding qualification rate, good welding consistency, high production efficiency, no toxicity and no odor, obviously reduces the cost compared with the traditional internal impregnation process, greatly reduces the energy consumption, greatly improves the production efficiency, is clean and environment-friendly, and is particularly suitable for being applied under the welding environment condition with higher requirement on cleanliness.
Drawings
FIG. 1 is a flow chart of the present invention;
fig. 2 is a schematic view of a state of use of the welding apparatus of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The invention is further described with reference to the following figures and examples.
Example 1
As shown in figure 1, the manufacturing process of the gold-plastic welded steel wire reinforced tracheal cannula comprises the following steps:
step one, cutting: and cutting the trachea cannula body after extrusion molding into a semi-finished product tube body with the length required by the standard specification.
Step two, assembling a stainless steel wire spring: connecting two ends of the semi-finished pipe body with inflation connectors, inflating high-pressure air into the semi-finished pipe body through the inflation connectors to enable the inner diameter of the semi-finished pipe body to expand and increase, taking the inflation connectors down from the two ends of the semi-finished pipe body, penetrating the stainless steel wire spring into the semi-finished pipe body, enabling the stainless steel wire spring to be in a smooth and natural springing-open state, enabling the stainless steel wire spring to be located in the middle position of the semi-finished pipe body along the axial direction, naturally placing until the semi-finished pipe body naturally contracts to the original inner diameter, and pressing the stainless steel wire spring tightly.
The effect of letting in high-pressure air makes the expansion of semi-manufactured goods body internal diameter increase, conveniently wears to send stainless steel wire spring to the body inside.
Step three, preparation work before welding: setting welding parameters of welding equipment, enabling welding conductive electrodes 2 on the welding equipment to be in contact with end points of two ends of a stainless steel wire spring, installing a semi-finished product pipe body 1 provided with the stainless steel wire spring in a pressing mold 3, and closing the pressing mold 3.
The welding conductive electrode 2 is used for transferring charge energy to the stainless steel wire spring to enable the surface temperature of the stainless steel wire spring to rise instantly to form a heat welding surface, and the pressing die 3 is used for enabling the inner wall of the semi-finished pipe body 1 to be in firm and tight contact with the stainless steel wire spring; the welding surface is more uniform and consistent.
Step four, gold-plastic welding: starting welding equipment, heating and pre-welding, and raising the temperature of the semi-finished pipe body 1 assembled with the stainless steel wire spring to 65-80 ℃ to ensure that the subsequent welding quality is more stable; and (3) performing stable welding after the heating prewelding is finished, so that the semi-finished product pipe body 1 assembled with the stainless steel wire spring is tightly and firmly combined with the stainless steel wire spring, and closing welding equipment to finish the welding operation after the welding is finished.
The heating prewelding has the effect of raising the temperature of the semi-finished pipe body 1 assembled with the stainless steel wire spring to 65-80 ℃ to generate a primary welding joint surface, so that the post-welding quality is more stable. The high temperature produced during the heating prewelding enables the water or other micro-particles adsorbed on the surface of the semi-finished product pipe body 1 (plastic) to be discharged, so that the welding joint surface is cleaner, and the welding quality is improved.
The action process of the stable welding is as follows: the welding conductive electrode 2 is utilized to transfer charge energy to the contact surface and the adjacent area of the stainless steel wire spring and the semi-finished product tube body 1, the contact part of the semi-finished product tube body 1 and the stainless steel wire spring is processed to be in a melting or plastic state, and the stainless steel wire spring is wrapped in the tube wall of the semi-finished product tube body 1.
Step five, cooling: after the welding operation is finished, compressed cold air is blown over the surface of the welded semi-finished tube body 1 and the pressing mold 3 to reduce the temperature of the semi-finished tube body 1 and the pressing mold 3 to 25-45 ℃, the pressing mold 3 is opened, the welding conductive electrodes 2 are taken down from two ends of the welded semi-finished tube body 1, and the welded semi-finished tube body 1 is taken out of the pressing mold 3; the cooling function is to ensure the stability of welding and prevent scalding the operating personnel.
Step six, welding quality detection: and (4) carrying out quality detection on the welded semi-finished tube body 1, and storing the semi-finished tube body 1 qualified in welding quality detection in a transfer storage box to finish the manufacture of the gold-plastic welded steel wire reinforced trachea cannula tube body.
And after each step is finished, self-checking is carried out, the qualified products are placed into the transfer box and transferred to the next step, and the unqualified products are placed into the recovery box.
All the steps of the manufacturing process of the gold-plastic welded steel wire reinforced tracheal cannula are operated and implemented in a purification workshop, the requirements of the production environment of medical instruments are met, and all functions and performances of the reinforced tracheal cannula manufactured by the manufacturing process meet the clinical use requirements.
Example 2
As shown in fig. 1 and 2, the manufacturing process of the gold-plastic welded steel wire reinforced tracheal cannula of the invention comprises the following steps:
step one, cutting: assembling the trachea cannula tube body after extrusion molding to an automatic feeding mechanism of an automatic cutting machine, starting the cutting machine after setting cutting parameters, cutting the tube body to a semi-finished tube body with a length required by a standard specification, and setting the cutting parameters as: the cutting length was 36CM and the cutting speed was 1 m/s.
Step two, assembling a stainless steel wire spring: connecting inflation connectors to two ends of the semi-finished product pipe body, inflating high-pressure air with the pressure intensity of 0.4-0.6MPa into the semi-finished product pipe body through the inflation connectors, keeping the pressure for 1 second, enabling the inner diameter of the semi-finished product pipe body to expand and increase (the inner diameter of the semi-finished product pipe body generally increases by at least 1 mm), then penetrating a stainless steel wire spring into the semi-finished product pipe body, shaking the semi-finished product pipe body to enable the stainless steel wire spring to be in a smooth and natural springing-open state, enabling the stainless steel wire spring to be located at the middle position of the semi-finished product pipe body along the axial direction, naturally placing for 2 minutes until the semi-finished product pipe body naturally contracts to the original inner diameter, and pressing.
The effect of letting in high-pressure air makes the expansion of semi-manufactured goods body internal diameter increase, conveniently wears to send stainless steel wire spring to the body inside.
Step three, preparation work before welding: setting welding parameters of welding equipment, enabling welding conductive electrodes 2 on the welding equipment to be in contact with end points of two ends of a stainless steel wire spring, installing a semi-finished product pipe body 1 provided with the stainless steel wire spring in a pressing mold 3, and closing the pressing mold 3.
The welding equipment comprises a welding controller 4 and a single-phase isolation transformer 5, wherein the welding controller 4 is connected with the single-phase isolation transformer 5, the welding conductive electrode 2 is installed on the single-phase isolation transformer 5, and the welding conductive electrode 2 is used for transmitting charge energy to the stainless steel wire spring to enable the surface temperature of the stainless steel wire spring to rise instantly to form a hot welding surface. Setting welding parameters of welding equipment, namely setting execution parameters of a welding controller 4, and firstly setting parameters of heating prewelding on the welding controller 4 as follows: the time was 2 seconds and the welding current was 1.1A.
The pressing die 3 comprises an upper die and a lower die, the upper die and the lower die are provided with groove structures matched with the semi-finished pipe body 1, and the die assembly pressure of the pressing die 3 is 15N. The pressing mold 3 is used for enabling the inner wall of the semi-finished pipe body 1 to be contacted with the stainless steel wire spring more firmly and tightly, and enabling the welding surface to be more uniform and consistent.
Step four, gold-plastic welding: starting welding equipment, firstly carrying out heating pre-welding for 2 seconds at a welding current of 1.1A, and raising the temperature of a semi-finished tube body 1 assembled with a stainless steel wire spring to 65-80 ℃ to ensure that the subsequent welding quality is more stable; after the heating and pre-welding are finished, performing stable welding, namely adjusting welding parameters to welding current of 2.2A after the heating and pre-welding are finished, continuously performing welding for 3 times, wherein the welding time is 2 seconds each time, so that the semi-finished product pipe body 1 assembled with the stainless steel wire spring is tightly and firmly combined with the stainless steel wire spring, and after the welding is finished, closing welding equipment and finishing welding operation;
the heating prewelding has the effect of raising the temperature of the semi-finished pipe body 1 assembled with the stainless steel wire spring to 65-80 ℃ to generate a primary welding joint surface, so that the post-welding quality is more stable. The high temperature produced during the heating prewelding enables the water or other micro-particles adsorbed on the surface of the semi-finished product pipe body 1 (plastic) to be discharged, so that the welding joint surface is cleaner, and the welding quality is improved.
The action process of the stable welding is as follows: the welding conductive electrode 2 is utilized to transfer charge energy to the contact surface and the adjacent area of the stainless steel wire spring and the semi-finished product tube body 1, the contact part of the semi-finished product tube body 1 and the stainless steel wire spring is processed to be in a melting or plastic state, and the stainless steel wire spring is wrapped in the tube wall of the semi-finished product tube body 1.
And (3) continuously welding for 3 times during stable welding, namely uninterruptedly welding for 2 seconds in single time and 6 seconds in total time, and immediately pressing the starting switch to weld after each time. The difference between 3 successive welds and 6 seconds of direct one weld is that: one-time welding for 6 seconds represents that the welding power is maintained all the time, the heat productivity is overlarge, the semi-finished tube body 1 and the single-phase isolation transformer 5 are easy to burn out, intermittent discharge can be realized by 3 times of continuous welding, and products and equipment are prevented from being burned out.
Step five, cooling: after the welding operation is finished, compressed cold air is blown over the surface of the welded semi-finished tube body 1 and the pressing mold 3 to reduce the temperature of the semi-finished tube body 1 and the pressing mold 3 to 25-45 ℃, the pressing mold 3 is opened, the welding conductive electrodes 2 are taken down from two ends of the welded semi-finished tube body 1, and the welded semi-finished tube body 1 is taken out of the pressing mold 3; the cooling function is to ensure the stability of welding and prevent scalding the operating personnel.
Step six, welding quality detection: carrying out visual detection and distortion detection on the welded semi-finished pipe body 1, and visually observing whether black spots or bubbles appear in the welded semi-finished pipe body 1 and whether the welding surface is neat and beautiful; and (3) skewing the welded semi-finished tube body 1 to an included angle of 60 degrees, observing whether the stainless steel wire spring falls off or not, judging that the stainless steel wire spring is qualified if the stainless steel wire spring does not fall off, and placing the welded semi-finished tube body 1 qualified in welding quality detection in a transfer storage box for storage to finish the manufacture of the gold-plastic welded steel wire reinforced trachea cannula tube body.
And after each step is finished, self-checking is carried out, the qualified products are placed into the transfer box and transferred to the next step, and the unqualified products are placed into the recovery box.
The model of the automatic cutting machine used in the manufacturing process of the golden plastic welding steel wire reinforced trachea cannula can be an HZX-100D automatic cutting machine, the model of the welding controller 4 can be an NY-D04 welding controller, and the model of the single-phase isolation transformer 5 can be a DG5KVA/5KW single-phase isolation transformer.
All the steps of the manufacturing process of the gold-plastic welded steel wire reinforced tracheal cannula are operated and implemented in a purification workshop, the requirements of the production environment of medical instruments are met, and all functions and performances of the reinforced tracheal cannula manufactured by the manufacturing process meet the clinical use requirements.
The above-described embodiments are not intended to limit the shape, material, structure, etc. of the present invention in any way, and any simple modification, equivalent change and modification made to the above-described embodiments according to the technical spirit of the present invention are within the scope of the technical solution of the present invention.
Claims (9)
1. A manufacturing process of a gold-plastic welding steel wire reinforced trachea cannula is characterized in that: the manufacturing process comprises the following steps: step one, cutting: cutting the trachea cannula body after extrusion molding into a semi-finished product tube body with the length required by the standard specification;
step two, assembling a stainless steel wire spring: filling high-pressure air into the semi-finished product pipe body to expand and increase the inner diameter of the semi-finished product pipe body, then penetrating the stainless steel wire spring into the semi-finished product pipe body to enable the stainless steel wire spring to be in a smooth and natural springing-open state, enabling the stainless steel wire spring to be located at the axial middle position of the semi-finished product pipe body, naturally placing until the semi-finished product pipe body naturally contracts to the original inner diameter, and pressing the stainless steel wire spring;
step three, preparation work before welding: setting welding parameters of welding equipment, enabling welding conductive electrodes on the welding equipment to be in contact with end points of two ends of a stainless steel wire spring, installing a semi-finished pipe body assembled with the stainless steel wire spring in a pressing mold, and closing the pressing mold;
step four, gold-plastic welding: starting welding equipment, heating and pre-welding, and raising the temperature of a semi-finished tube body assembled with the stainless steel wire spring to 65-80 ℃ to ensure that the subsequent welding quality is more stable; after the heating prewelding is finished, performing stable welding to enable the semi-finished pipe body assembled with the stainless steel wire spring to be tightly and firmly combined with the stainless steel wire spring, and after the welding is finished, closing welding equipment to finish the welding operation;
step five, cooling: after the welding operation is finished, compressed cold air is blown over the surface of the welded semi-finished product pipe body and the pressing mold, the temperature of the semi-finished product pipe body and the pressing mold is reduced to 25-45 ℃, the pressing mold is opened, the welding conductive electrodes are taken down from two ends of the welded semi-finished product pipe body, and the welded semi-finished product pipe body is taken out of the pressing mold;
step six, welding quality detection: and carrying out quality detection on the welded semi-finished tube body, and storing the semi-finished tube body qualified in welding quality detection in a transfer storage box to finish the manufacture of the gold-plastic welded steel wire reinforced trachea cannula tube body.
2. The manufacturing process of the golden plastic welding steel wire reinforced trachea cannula according to claim 1, which is characterized in that: the trachea cannula body of step one cut through automatic guillootine, specifically do: assembling the trachea cannula body after extrusion molding on an automatic feeding mechanism of an automatic cutting machine, starting the cutting machine after setting cutting parameters, and cutting the trachea cannula body to a semi-finished product trachea body with the length required by a standard specification.
3. The manufacturing process of the golden plastic welding steel wire reinforced trachea cannula according to claim 2, which is characterized in that: the cutting parameters are set as follows: the cutting length was 36CM and the cutting speed was 1 m/s.
4. The manufacturing process of the golden plastic welding steel wire reinforced trachea cannula according to claim 1, which is characterized in that: in the second step, the pressure of the high-pressure air filled into the semi-finished product tube is 0.4-0.6MPa, and the pressure maintaining time is 1 second.
5. The manufacturing process of the golden plastic welding steel wire reinforced trachea cannula according to claim 1, which is characterized in that: the welding equipment in the third step comprises a welding controller and a single-phase isolation transformer, wherein the welding controller is connected with the single-phase isolation transformer, and the welding conductive electrode is installed on the single-phase isolation transformer.
6. The manufacturing process of the golden plastic welding steel wire reinforced trachea cannula according to claim 5, which is characterized in that: setting welding parameters of welding equipment, namely setting execution parameters of a welding controller, and firstly setting parameters of heating prewelding on the welding controller as follows: the time was 2 seconds and the welding current was 1.1A.
7. The manufacturing process of the golden plastic welding steel wire reinforced trachea cannula according to claim 1, which is characterized in that: the clamping pressure of the pressing mould is 15N.
8. The manufacturing process of the golden plastic welding steel wire reinforced trachea cannula according to claim 1, which is characterized in that: and in the fourth step, the heating pre-welding time is 2 seconds, the welding current is 1.1A, and the stable welding is carried out after the heating pre-welding is finished, namely the welding parameters are adjusted to be 2.2A after the heating pre-welding is finished, the welding is continuously carried out for 3 times, and the welding time is 2 seconds each time.
9. The manufacturing process of the golden plastic welding steel wire reinforced trachea cannula according to claim 1, which is characterized in that: welding quality detection in the sixth step is specifically as follows: carrying out visual detection and distortion detection on the welded semi-finished pipe body, and visually observing whether black spots or bubbles appear in the welded semi-finished pipe body and whether the welding surface is neat and beautiful; and (3) bending the welded semi-finished pipe body to an included angle of 60 degrees, and observing whether the stainless steel wire spring falls off or not, wherein the stainless steel wire spring is qualified if the stainless steel wire spring does not fall off.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811345035.3A CN109571963B (en) | 2018-11-13 | 2018-11-13 | Manufacturing process of gold-plastic welded steel wire reinforced tracheal cannula |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811345035.3A CN109571963B (en) | 2018-11-13 | 2018-11-13 | Manufacturing process of gold-plastic welded steel wire reinforced tracheal cannula |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109571963A CN109571963A (en) | 2019-04-05 |
| CN109571963B true CN109571963B (en) | 2021-02-19 |
Family
ID=65922143
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811345035.3A Active CN109571963B (en) | 2018-11-13 | 2018-11-13 | Manufacturing process of gold-plastic welded steel wire reinforced tracheal cannula |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109571963B (en) |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB379961A (en) * | 1931-09-23 | 1932-09-08 | Walther & Co Komm Ges H | Improvements in or relating to vulcanising apparatus |
| US4130617A (en) * | 1977-12-30 | 1978-12-19 | Airco, Inc. | Method of making endotracheal tube cuffs |
| GB2194749A (en) * | 1986-09-09 | 1988-03-16 | Du Pont | Method of manufacturing heat-weldable thermoplastic fittings |
| CN1038586A (en) * | 1989-06-23 | 1990-01-10 | 澄海县澄城外埔医疗用品厂 | A kind of manufacture method of tracheal intubation |
| CN2434126Y (en) * | 2000-02-17 | 2001-06-13 | 孙峰 | Thermal molten welder for plastic tube |
| CN100406224C (en) * | 2006-03-18 | 2008-07-30 | 新乡市驼人医疗器械有限公司 | Process for manufacturing tracheal cannula |
| AU2016270675A1 (en) * | 2015-05-29 | 2018-01-18 | Qmax, Llc | Dynamic walled tubing |
| CN106363070B (en) * | 2016-08-25 | 2018-08-17 | 宁波市沃瑞斯机械科技有限公司 | A kind of processing technology of metal bi multiple tube |
-
2018
- 2018-11-13 CN CN201811345035.3A patent/CN109571963B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN109571963A (en) | 2019-04-05 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP1278568B1 (en) | Film welded reservoir bag for breathing circuit and method of making the same | |
| CN109571963B (en) | Manufacturing process of gold-plastic welded steel wire reinforced tracheal cannula | |
| CN207091295U (en) | The pneumatic means of glass cutting machine | |
| CN114043708A (en) | Positive pressure forming equipment for dental diaphragm | |
| CN104760272A (en) | Steel-plastic composite pipe cutting end surface plastic seal device and application thereof | |
| CN218865391U (en) | Production and manufacturing equipment for desensitization condom | |
| CN103883871A (en) | Lightened high-temperature and high-pressure composite cylinder and manufacturing method thereof | |
| CN208667093U (en) | High-effect ionic pipe | |
| CN107186037A (en) | A kind of thermo shaping method of titanium alloy corrugated pipe | |
| CN207918679U (en) | A kind of 3D heat-bending glass processing unit (plant) and equipment | |
| CN207547967U (en) | A kind of novel welding stage | |
| CN113299968A (en) | Intelligent processing device for lithium battery roll core | |
| CN209141315U (en) | A kind of laryngoscope blade mould slide block water route | |
| CN218227495U (en) | Vulcanizing tank | |
| CN204844206U (en) | Robot joint ball forming device | |
| CN211612173U (en) | CO (carbon monoxide)2Pollutant treatment device of laser cutting machine | |
| CN216423415U (en) | Positive pressure forming equipment for dental diaphragm | |
| CN109366954A (en) | A kind of plastics suction mould of refrigerator freezing case courage | |
| CN109366950A (en) | A kind of plastics suction mould of refrigerator freezing case courage | |
| CN216503063U (en) | Welding fume processing device for welding equipment | |
| CN215969325U (en) | Glazing line with cleaning effect | |
| CN217677715U (en) | Metal material retrieves vacuum purification equipment | |
| CN209682706U (en) | A kind of anode pipe mold | |
| CN210770248U (en) | Air sealing device | |
| CN214608426U (en) | Amoxicillin and potassium clavulanate sealing air blowing device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Application publication date: 20190405 Assignee: Henan Koniz Medical Equipment Co.,Ltd. Assignor: HENAN TUOREN MEDICAL DEVICE Co.,Ltd. Contract record no.: X2024980000132 Denomination of invention: The manufacturing process of a metal plastic welded steel wire reinforced tracheal intubation tube Granted publication date: 20210219 License type: Common License Record date: 20240109 |
|
| EE01 | Entry into force of recordation of patent licensing contract |