CN114075859A - Production process of movable lifting handrail sleeve - Google Patents
Production process of movable lifting handrail sleeve Download PDFInfo
- Publication number
- CN114075859A CN114075859A CN202010834488.3A CN202010834488A CN114075859A CN 114075859 A CN114075859 A CN 114075859A CN 202010834488 A CN202010834488 A CN 202010834488A CN 114075859 A CN114075859 A CN 114075859A
- Authority
- CN
- China
- Prior art keywords
- handrail
- sleeve
- tube
- armrest
- plasticizing
- 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.)
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F11/00—Stairways, ramps, or like structures; Balustrades; Handrails
- E04F11/18—Balustrades; Handrails
- E04F11/181—Balustrades
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L27/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers
- C08L27/02—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L27/04—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment containing chlorine atoms
- C08L27/06—Homopolymers or copolymers of vinyl chloride
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F11/00—Stairways, ramps, or like structures; Balustrades; Handrails
- E04F11/18—Balustrades; Handrails
- E04F11/181—Balustrades
- E04F11/1836—Handrails of balustrades; Connections between handrail members
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2203/00—Applications
- C08L2203/18—Applications used for pipes
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F11/00—Stairways, ramps, or like structures; Balustrades; Handrails
- E04F11/18—Balustrades; Handrails
- E04F2011/1868—Miscellaneous features of handrails not otherwise provided for
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F11/00—Stairways, ramps, or like structures; Balustrades; Handrails
- E04F11/18—Balustrades; Handrails
- E04F2011/1885—Handrails or balusters characterized by the use of specific materials
- E04F2011/1897—Handrails or balusters characterized by the use of specific materials mainly of organic plastics with or without reinforcements or filling materials
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Steps, Ramps, And Handrails (AREA)
Abstract
The invention discloses a production process of a movable lifting handrail sleeve, which comprises the following steps: the method comprises the following steps: sleeving the handrail tube: adopting a bending device to bend the sleeve for 70-90 degrees after chamfering, sleeving the prepared handrail tube and the handrail sleeve in the handrail tube while the waste heat is still, punching an arc on a beam of the handrail tube, welding the beam of the handrail tube and the handrail tube into a whole moving lifting handrail, and performing step two: preparing liquid plastic-dipped material: coating the powder on the surface, preheating for 150-260 ℃ for 5-15 minutes, performing plastic dipping treatment after preheating, coating and plasticizing the powder by baking, wherein the plasticizing temperature is 160-280 ℃ and the plasticizing time range is 1-3 minutes, and performing air cooling or water cooling treatment after plasticizing and forming; the handrail is coated on the through pipe by improving and applying the plastic dipping process, the surface of the handrail is more attractive by adopting the plastic dipping process, the handfeel is better, the service life of the handrail sleeve is longer, the handrail sleeve is more environment-friendly, the handrail sleeve completely meets the standard, no harm is caused to people, and the potential safety hazard is avoided.
Description
Technical Field
The invention relates to the technical field of processing of colored plastic sleeves, in particular to a production process of a movable lifting handrail sleeve.
Background
The existing movable lifting handrail is directly supported by a straight rod as shown in figure 1, a user can easily slip and grind hands in a hand holding process, abrasion is caused by long-term use, in addition, the handrail is not good in hand holding hand feeling, the service life of a holding glove is not long, sweat generated when the user uses the handrail falls and easily slips on the handrail, serious injury is caused to old people, and potential safety hazards exist.
Disclosure of Invention
The invention aims to solve the problem of providing a novel production process of a movable lifting handrail sleeve, and the improved production process of the movable lifting handrail sleeve has the advantages that a handrail of a user of the sleeve does not slip or rub hands, the service life is prolonged, and the use is convenient and safe.
In order to solve the problems, the invention provides a production process of a movable lifting handrail sleeve, which comprises the following steps:
the method comprises the following steps: sleeving the handrail tube: blanking an armrest tube, chamfering by using equipment, bending the sleeve by 70-90 degrees by using a bending device after chamfering, punching a hole on a bent tube, sleeving the prepared armrest tube and an armrest sleeve in the armrest tube while the armrest sleeve is still hot, fixing the armrest tube and the armrest sleeve into an armrest semi-finished product by using screws, arcing a cross beam of the armrest tube, removing burrs, and welding the cross beam of the armrest tube and the armrest tube into an integrally-moving lifting armrest;
step two: the handrail tube is processed as follows: washing, pickling, surface conditioning, drying, paint spraying, drying, curing and blanking;
step three: preparing liquid plastic-dipped material: pre-treatment, namely performing surface powder coating treatment, namely fixing the arranged hanging tool, preheating for 150-260 ℃ for 5-15 minutes, performing plastic dipping treatment after preheating is finished, coating and plasticizing the powder by baking, arranging the powder in a sleeve mould at the plasticizing temperature of 160-280 ℃ for 1-3 minutes, performing air cooling or water cooling treatment after plasticizing forming, and taking down the hanging tool.
Preferably, the baking plasticizing temperature in the third step is 250 ℃, and the baking plasticizing time is 2 minutes; the solidification temperature of water cooling is 170 ℃, and the time is 3 minutes.
Preferably, the lifting handrail sleeve pipe is of a circular straight-through structure, and the outer surface of the lifting handrail sleeve pipe is free of particles.
Preferably, the surface powder of the lifting handrail sleeve is coated into an integrally formed structure formed by mixing and injection molding 98 percent of TPR thermoplastic rubber, 0.1 percent of color master batch and 0.1 percent of mildew preventive.
Preferably, the lifting handrail sleeve is formed by coating, processing and injection molding 98% of polyvinyl chloride resin, 0.1% of color master batch and 0.1% of mildew preventive mixed powder.
Adopt above-mentioned structure, its beneficial effect lies in:
the method comprises the following steps: sleeving the handrail tube: blanking an armrest tube, chamfering by using equipment, bending the sleeve by 70-90 degrees by using a bending device after chamfering, punching a hole on a bent tube, sleeving the prepared armrest tube and an armrest sleeve in the armrest tube while the armrest sleeve is still hot, fixing the armrest tube and the armrest sleeve into an armrest semi-finished product by using screws, arcing a cross beam of the armrest tube, removing burrs, and welding the cross beam of the armrest tube and the armrest tube into an integrally-moving lifting armrest; step two: the handrail tube is processed as follows: washing, pickling, surface conditioning, drying, paint spraying, drying, curing and blanking; step three: preparing liquid plastic-dipped material: pre-treatment, namely performing surface powder coating treatment, namely fixing a rack, preheating for 150-260 ℃ for 5-15 minutes, performing plastic dipping treatment after preheating is finished, coating and plasticizing the powder by baking, arranging the powder in a sleeve mould at the plasticizing temperature of 160-280 ℃ for 1-3 minutes, performing air cooling or water cooling treatment after plasticizing forming, and taking down the rack; the handrail is coated on the through pipe by improving and applying the plastic dipping process, the surface of the handrail is more attractive by adopting the plastic dipping process, the handfeel is better, the service life of the handrail sleeve is longer, the handrail sleeve is more environment-friendly and completely meets the standard, potential safety hazards are avoided, and the average polymerization degree of the material of the supporting sleeve is 1285, the volatility is 0.13-0.21%, the apparent density is 0.495-0.507%, and the handrail sleeve is harmless to people according to the quality inspection report.
Drawings
Fig. 1 is a schematic view of a conventional structure of a movable lifting handrail.
Fig. 2 is a schematic structural view of the assembled movable lifting handrail sleeve.
FIG. 3 is a flow chart of the production process.
Detailed Description
The invention is further explained below with reference to the figures and examples.
The first embodiment is as follows: a production process of a movable lifting handrail sleeve comprises the following steps:
the method comprises the following steps: sleeving the handrail tube: blanking a handrail tube, chamfering by adopting equipment, bending the sleeve by 70 degrees by adopting a bending device after chamfering, punching a hole on the bent tube, sleeving the prepared handrail tube and the handrail sleeve in the handrail tube while the waste heat is still left, fixing the handrail tube and the handrail sleeve into a handrail semi-finished product by adopting screws, arcing a beam of the handrail tube, removing burrs, and welding the beam of the handrail tube and the handrail tube into an integrally-moving lifting handrail;
step two: the handrail tube is processed as follows: washing, pickling, surface conditioning, drying, paint spraying, drying, curing and blanking.
Step three: preparing liquid plastic-dipped material: pre-treatment, namely performing surface powder coating treatment, namely fixing a rack, preheating for 150 ℃ for 5 minutes, performing plastic dipping treatment after preheating, coating and plasticizing powder by baking, arranging the powder in a sleeve mould, setting the powder in the sleeve mould at the plasticizing temperature of 160 ℃, setting the plasticizing time within 1 minute, performing air cooling or water cooling treatment after plasticizing, and taking down the rack;
the circular straight-through structure of the lifting handrail sleeve pipe is free of particles on the outer surface.
The surface powder of the lifting handrail sleeve is coated into an integrally formed structure formed by mixing and injection molding 98 percent of TPR thermoplastic rubber, 0.1 percent of color master batch and 0.1 percent of mildew preventive.
The lifting handrail sleeve is formed by coating, processing and injection molding 98 percent of polyvinyl chloride resin, 0.1 percent of color master batch and 0.1 percent of mildew preventive mixed powder.
Maximum use weight of the armrest: 100kg, the lowest position height 711mm and the highest position height 861mm of the armrest (powder coating), and the armrest is assembled and adjusted before use:
1) the position of the armrest frame is adjustable. According to the requirements of users, the mounting positions of the armrest frame can be selected at three positions.
2) Method for mounting armrest frame
The armrest frame is mounted on the base using a large hex wrench.
3) Adjusting the height of the screw
Firstly, a small hexagonal wrench is used, and the height of the handrail is adjusted by 6 levels, wherein each section is 30 mm.
And secondly, 4 height adjusting screws are disassembled to enable the armrest frame to slide to the height required to be fixed.
And thirdly, inserting the height adjusting screw into the screw hole for screwing.
Assembling, namely moving the rubber sleeve on the armrest frame component to the armrest direction for a certain distance at a required position on the base, sequentially arranging a stainless steel washer, a spring washer and an inner hexagon screw, and locking. And (5) putting down the rubber sleeve.
Example two: a production process of a movable lifting handrail sleeve comprises the following steps:
the method comprises the following steps: sleeving the handrail tube: blanking a handrail tube, chamfering by adopting equipment, bending the sleeve by 90 degrees by adopting a bending device after chamfering, punching a hole on the bent tube, sleeving the prepared handrail tube and the handrail sleeve in the handrail tube while the waste heat is still left, fixing the handrail tube and the handrail sleeve into a handrail semi-finished product by adopting screws, arcing a beam of the handrail tube, removing burrs, and welding the beam of the handrail tube and the handrail tube into an integrally-moving lifting handrail;
step two: the handrail tube is processed as follows: washing, pickling, surface conditioning, drying, paint spraying, drying, curing and blanking;
step three: preparing liquid plastic-dipped material: pre-treatment, namely performing surface powder coating treatment, namely fixing a rack, preheating at 260 ℃ for 15 minutes, performing plastic dipping treatment after preheating, coating and plasticizing powder by baking, arranging the powder in a sleeve mould, setting the powder in the mould at a plasticizing temperature of 280 ℃ for 3 minutes, performing air cooling treatment after plasticizing, and taking down the rack; the rest of the technique is the same as the first embodiment.
Example three: the baking plasticizing temperature in the third step is 250 ℃, and the time is 2 minutes; the solidification temperature of water cooling is 170 ℃, and the time is 3 minutes.
In order to facilitate understanding of the above-described embodiments of the present invention, the following detailed description will be given of the above-described embodiments of the present invention in a specific manner of use.
The foregoing is illustrative and explanatory of the invention and is not intended to limit the advantages attainable thereby, and it is within the scope of the present application for any one or more of the advantages to be realized, whether simple changes in construction and/or implementation in some embodiments are possible in the practice of the invention.
Claims (5)
1. A production process of a movable lifting handrail sleeve is characterized in that: the method comprises the following steps:
the method comprises the following steps: sleeving the handrail tube: blanking an armrest tube, chamfering by using equipment, bending the sleeve by 70-90 degrees by using a bending device after chamfering, punching a hole on a bent tube, sleeving the prepared armrest tube and an armrest sleeve in the armrest tube while the armrest sleeve is still hot, fixing the armrest tube and the armrest sleeve into an armrest semi-finished product by using screws, arcing a cross beam of the armrest tube, removing burrs, and welding the cross beam of the armrest tube and the armrest tube into an integrally-moving lifting armrest;
step two: the handrail tube is processed as follows: washing, pickling, surface conditioning, drying, paint spraying, drying, curing and blanking;
step three: preparing liquid plastic-dipped material: pre-treatment, namely performing surface powder coating treatment, namely fixing the arranged hanging tool, preheating for 150-260 ℃ for 5-15 minutes, performing plastic dipping treatment after preheating is finished, coating and plasticizing the powder by baking, arranging the powder in a sleeve mould at the plasticizing temperature of 160-280 ℃ for 1-3 minutes, performing air cooling or water cooling treatment after plasticizing forming, and taking down the hanging tool.
2. The process for producing a sleeve for a moving lifting handrail as claimed in claim 1, wherein: the baking plasticizing temperature in the third step is 250 ℃, and the time is 2 minutes; the solidification temperature of water cooling is 170 ℃, and the time is 3 minutes.
3. The process for producing a sleeve for a moving lifting handrail as claimed in claim 1, wherein: the circular straight-through structure of the lifting handrail sleeve pipe is free of particles on the outer surface.
4. The process for producing a sleeve for a moving lifting handrail as claimed in claim 1, wherein: the surface powder of the lifting handrail sleeve is coated into an integrally formed structure formed by mixing and injection molding 98 percent of TPR thermoplastic rubber, 0.1 percent of color master batch and 0.1 percent of mildew preventive.
5. The process for producing a sleeve for a moving lifting handrail as claimed in claim 1, wherein: the lifting handrail sleeve is formed by coating, processing and injection molding 98 percent of PVC (polyvinyl chloride) resin, 0.1 percent of color master batch and 0.1 percent of mildew preventive mixed powder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010834488.3A CN114075859A (en) | 2020-08-18 | 2020-08-18 | Production process of movable lifting handrail sleeve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010834488.3A CN114075859A (en) | 2020-08-18 | 2020-08-18 | Production process of movable lifting handrail sleeve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114075859A true CN114075859A (en) | 2022-02-22 |
Family
ID=80281766
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010834488.3A Withdrawn CN114075859A (en) | 2020-08-18 | 2020-08-18 | Production process of movable lifting handrail sleeve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114075859A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007297912A (en) * | 2001-12-12 | 2007-11-15 | Ym Kogyo Kk | Handrail member |
| CN101869755A (en) * | 2010-05-26 | 2010-10-27 | 章竹娇 | Production process of spinning handrail |
| CN103934186A (en) * | 2014-04-03 | 2014-07-23 | 安徽力盛新材料有限公司 | Plastic dipping technology of steel wire guardrail |
| CN105327843A (en) * | 2014-08-16 | 2016-02-17 | 青岛世纪云帆实业有限公司 | Assembly line production process for pretreatment and plastic spraying of metal surface |
| CN208989452U (en) * | 2018-09-11 | 2019-06-18 | 孙旷 | A kind of bedside is stood up power assisting device |
| CN110586431A (en) * | 2019-08-12 | 2019-12-20 | 天津市凯鑫金属制品有限公司 | Production process of spinning handrail |
| CN111015077A (en) * | 2018-10-10 | 2020-04-17 | 江苏升创管业有限公司 | Manufacturing process of handrail tube for rail transit |
-
2020
- 2020-08-18 CN CN202010834488.3A patent/CN114075859A/en not_active Withdrawn
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007297912A (en) * | 2001-12-12 | 2007-11-15 | Ym Kogyo Kk | Handrail member |
| CN101869755A (en) * | 2010-05-26 | 2010-10-27 | 章竹娇 | Production process of spinning handrail |
| CN103934186A (en) * | 2014-04-03 | 2014-07-23 | 安徽力盛新材料有限公司 | Plastic dipping technology of steel wire guardrail |
| CN105327843A (en) * | 2014-08-16 | 2016-02-17 | 青岛世纪云帆实业有限公司 | Assembly line production process for pretreatment and plastic spraying of metal surface |
| CN208989452U (en) * | 2018-09-11 | 2019-06-18 | 孙旷 | A kind of bedside is stood up power assisting device |
| CN111015077A (en) * | 2018-10-10 | 2020-04-17 | 江苏升创管业有限公司 | Manufacturing process of handrail tube for rail transit |
| CN110586431A (en) * | 2019-08-12 | 2019-12-20 | 天津市凯鑫金属制品有限公司 | Production process of spinning handrail |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20220222 |