CN110757100A - Preparation method of elevator guide rail - Google Patents
Preparation method of elevator guide rail Download PDFInfo
- Publication number
- CN110757100A CN110757100A CN201910987676.7A CN201910987676A CN110757100A CN 110757100 A CN110757100 A CN 110757100A CN 201910987676 A CN201910987676 A CN 201910987676A CN 110757100 A CN110757100 A CN 110757100A
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- Prior art keywords
- guide rail
- elevator guide
- section
- machining
- carrying
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- 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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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B7/00—Other common features of elevators
- B66B7/02—Guideways; Guides
Abstract
The invention discloses a preparation method of an elevator guide rail, which comprises the following steps of carrying out stress relief treatment on sectional materials, placing the sectional materials in an open natural environment to be stacked together flatly for 7-10 days, and drying the sectional materials by blowing wind under natural conditions to obtain the stress-relieved sectional materials; carrying out rust removal treatment on the obtained stress-removed section, placing the section in a shot blasting machine, adopting composite metal shots with the granularity of phi 2.5-phi 1mm, taking compressed air as power, and cleaning and removing rust on the surface of the section by utilizing the high-speed motion of the composite metal shots, wherein the time duration is controlled within 5-20min, so as to obtain the rust-removed section; carrying out rough machining treatment on the derusted section, and sending the section to a straightening machine for straightening at the straightening speed of 2-4m/s to obtain a rough and finished section; according to the preparation method of the elevator guide rail, the elevator guide rail is more stable and comfortable in use through the small symmetrical tolerance of the male tenon and the female tenon, and meanwhile, the elevator guide rail has an anti-corrosion effect in long-term use.
Description
Technical Field
The invention belongs to the technical field of mechanical devices, and particularly relates to a preparation method of an elevator guide rail.
Background
The elevator guide rail is an elevator component consisting of steel rails and connecting plates, and is divided into a car guide rail and a counterweight guide rail, the elevator guide rail is two or more rows of vertical or inclined rigid rails arranged in an elevator shaft or between floors, the vertical movement of the car and a counterweight device is ensured along the rigid rails, the inclined or horizontal movement of the escalator and the moving sidewalk steps is ensured along the rigid rails, and the guide rail not only controls the running tracks of the elevator car and the counterweight, but also is firmly supported when the car is emergently stopped when the car is in unexpected overspeed, so the elevator guide rail is an important part relating to the running quality of the elevator and the safety of the elevator;
the elevator guide rail has certain defects in preparation, and the existing elevator guide rail is not subjected to fine correction or manual fine correction in preparation, so that the elevator guide rail has errors in manual correction, the quality of an elevator in operation is poor, and the elevator guide rail is unstable.
Disclosure of Invention
The invention mainly aims to provide a preparation method of an elevator guide rail, which can effectively solve the problems in the background technology.
In order to achieve the purpose, the invention adopts the technical scheme that:
1. a preparation method of an elevator guide rail comprises the following steps:
the method comprises the following steps of firstly, carrying out stress relief treatment on sectional materials, placing the sectional materials in an open natural environment to be stacked together flatly for 7-10 days, and drying the sectional materials by blowing wind and sun under natural conditions to obtain the stress-relieved sectional materials;
step two, carrying out rust removal treatment on the obtained stress-removed section, placing the section in a shot blasting machine, cleaning and derusting the surface of the section by using a composite metal shot with the granularity of phi 2.5-phi 1mm and compressed air as power and utilizing the high-speed motion of the composite metal shot, wherein the time duration is controlled within 5-20min, so as to obtain the derusted section;
thirdly, performing rough machining treatment on the derusted section, and sending the section to a straightening machine for straightening at the straightening speed of 2-4m/s to obtain a rough and finished section;
step four, conducting guide surface processing on the roughly-finished section, utilizing a special high-speed broaching machine according to the size required by a drawing, conducting size processing on the section by adopting a strong wide-blade broaching processing technology, reserving a processing allowance of 3.5-5mm, and obtaining the section with the processed guide surface, wherein the roughness Ra of the processed section is less than or equal to 12;
step five, performing end face machining treatment on the section bar with the machined guide face, firstly planing a bottom plane by using a machine tool, wherein the feed amount of a planer tool is 0.2-0.5 mm, and then sequentially performing male tenon machining, female tenon machining, drilling machining and spot facing machining by using high-precision machine tool equipment to obtain the section bar with the machined end face;
step six, performing finish machining on the profile subjected to end face machining, accurately machining, cutting and polishing the machining allowance of the profile according to the size required by a drawing, then performing fine correction on the profile by using an automatic correction instrument, and correcting the straightness and the torsion of the profile to obtain a finish machined elevator guide rail;
step seven, carrying out spraying treatment on the finish-machined elevator guide rail, firstly washing the elevator guide rail by pure clear water, wherein the spraying water pressure is 0.12-0.17Mpa, then carrying out hot air circulation drying on the elevator guide rail, painting the elevator guide rail after drying, coating anti-rust oil on the processed surface, coating anti-corrosion paint on the non-processed surface, and then carrying out natural air drying to obtain the sprayed elevator guide rail;
and step eight, packaging the obtained sprayed elevator guide rail, pasting the air-dried guide surface of the elevator guide rail, and installing protective sleeves on two end surfaces of the elevator guide rail to finish the preparation process of the elevator guide rail so as to obtain the solid elevator guide rail.
Preferably, the composite metal shot in the second step is compositely cast by 65% of steel, 20% of nickel and 15% of copper.
Preferably, in the fifth step, the symmetric tolerance of the male tenon and the female tenon is 0.03mm-0.05 mm.
Preferably, in the fifth step, after the end face is machined, the upper longitudinal surface roughness Ra is less than or equal to 1.5um, and the transverse surface roughness Ra is less than or equal to 1.6 and less than or equal to 6.0 um.
Preferably, the anticorrosive paint in the seventh step is a mixture of organic silicon modified polyester resin and barium sulfate, and the antirust oil comprises 10-20g/L of zinc nitrate, 12-15g/L of potassium permanganate, 10-15ml/L of sulfuric acid, 30-40ml/L of hydrogen peroxide and the balance of tap water, wherein the production conditions are that the temperature is 30-40 ℃, the pH value is 2.5-4, and the soaking time is 60-120 min.
Compared with the prior art, the invention has the following beneficial effects: this elevator guide rail preparation method, through the essence school that increases automatic proofreading equipment after the finish machining for can rectify the straightness accuracy and the tortuosity degree of guide rail, thereby make elevator guide rail quality assurance when the operation, good stability and comfort level have when the operation, the anticorrosive effect that increases simultaneously, through spraying anticorrosive oil make with traditional surface painting rust-resistant compare, the rust-resistant ability of improvement steel that can be great, make the guide rail have good anticorrosive effect in follow-up long-term use, the life has been increased, and simple process has good result of use.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
Example 1
When the stress-relieved section bar is prepared, firstly, the section bar is subjected to stress-relief treatment, the section bar is placed in an open natural environment and stacked together flatly for 8 days, and the section bar is subjected to wind blowing and sun drying under natural conditions to obtain the stress-relieved section bar; carrying out rust removal treatment on the obtained stress-removed section, placing the section in a shot blasting machine, cleaning and derusting the surface of the section by adopting a composite metal shot with the granularity of phi 2.5mm and taking compressed air as power and utilizing the high-speed motion of the composite metal shot, wherein the composite metal shot is formed by compositely casting 65% of steel, 20% of nickel and 15% of copper, and the duration is controlled within 10min to obtain the derusted section; carrying out rough machining treatment on the derusted section, and sending the section to a straightening machine for straightening at the straightening speed of 2.5m/s to obtain a rough and finished section; processing the rough and finished section by a guide surface, processing the section by size by using a special high-speed broaching machine according to the size required by a drawing and adopting a strong wide-blade broaching processing technology, wherein the processing allowance is left for 3.5mm, and the roughness Ra after processing is less than or equal to 12 to obtain the section with the processed guide surface; processing the end face of the profile processed by the guide face, firstly planing a bottom plane by using a machine tool, wherein the feed amount of a planer tool is 0.35mm, then sequentially processing a male tenon, a female tenon, a drilling hole and a countersinking hole by using high-precision machine tool equipment, wherein the symmetric tolerance of the male tenon and the female tenon is 0.03mm, the upper longitudinal surface roughness Ra of the profile processed by the end face is less than or equal to 1.5um, the transverse surface roughness of the profile processed by the transverse surface roughness of 1.6 is less than or equal to Ra and less than or equal to 6.0um, and obtaining the profile processed by the end face; the profile with the machined end face is subjected to finish machining, machining allowance is accurately cut and polished by the profile according to the size required by a drawing, then an automatic calibration instrument is adopted to perform precise calibration on the profile, and the straightness and the torsion resistance of the profile are corrected to obtain a finish-machined elevator guide rail; carrying out spraying treatment on the finish-machined elevator guide rail, firstly washing the elevator guide rail by pure clear water, wherein the spraying water pressure is 0.15Mpa, then carrying out hot air circulation drying on the elevator guide rail, painting the elevator guide rail after drying, coating anti-rust oil on the processed surface, wherein the rust oil comprises 20g/L of zinc nitrate, 15g/L of potassium permanganate, 10ml/L of sulfuric acid, 30ml/L of hydrogen peroxide and the balance of tap water, the generation condition temperature is 35 ℃, the pH value is 2.5, the soaking time is 80min, coating anti-corrosion paint on the non-processed surface, the anti-corrosion paint is a mixture of organic silicon modified polyester resin and barium sulfate, and then carrying out natural air drying to obtain the sprayed elevator guide rail; packaging the obtained sprayed elevator guide rail, pasting the dried guide surface of the elevator guide rail, and installing protective sleeves on two end surfaces to complete the preparation process of the elevator guide rail;
weighing the prepared elevator guide rail by using a ten-thousandth precision balance, marking the weight of the elevator guide rail as W1, marking the weight of W1 as 16KG, marking the specification as 200-mesh corundum abrasive paper, tightly contacting the elevator guide rail with the weight of W1 with the 200-mesh corundum abrasive paper, simultaneously polishing for 5min, marking the mass of the polished elevator guide rail as W2, marking the mass of the elevator guide rail as 15.998KG by using the ten-thousandth precision balance W2, marking the wear resistance as S1(S is W2/W1), and calculating S1 as 99.9875%, wherein the wear resistance of the elevator guide rail is excellent.
Example 2
When the stress-relieved section bar is prepared, firstly, the section bar is subjected to stress-relief treatment, the section bar is placed in an open natural environment and stacked together flatly for 7 days, and the section bar is subjected to wind blowing and sun drying under natural conditions to obtain the stress-relieved section bar; carrying out rust removal treatment on the obtained stress-removed section, placing the section in a shot blasting machine, cleaning and derusting the surface of the section by adopting a composite metal shot with the granularity of phi 1mm and taking compressed air as power and utilizing the high-speed motion of the composite metal shot, wherein the composite metal shot is formed by compositely casting 65% of steel, 20% of nickel and 15% of copper, and the duration is controlled within 15min to obtain the derusted section; carrying out rough machining treatment on the derusted section, and sending the section to a straightening machine for straightening at the straightening speed of 4m/s to obtain a rough and finished section; processing the rough and finished section by a guide surface, processing the section by size by using a special high-speed broaching machine according to the size required by a drawing and adopting a strong wide-blade broaching processing technology, wherein the processing allowance is 4.5mm, and the roughness Ra after processing is less than or equal to 12 to obtain the section with the processed guide surface; processing the end face of the profile processed by the guide face, firstly planing a bottom plane by using a machine tool, wherein the feed amount of a planer tool is 0.5mm, then sequentially processing a male tenon, a female tenon, a drilling hole and a countersinking hole by using high-precision machine tool equipment, wherein the symmetric tolerance of the male tenon and the female tenon is 0.05mm, the upper longitudinal surface roughness Ra of the profile processed by the end face is less than or equal to 1.5um, the transverse surface roughness of the profile processed by the transverse surface roughness of 1.6 is less than or equal to Ra and less than or equal to 6.0um, and obtaining the profile processed by the end face; the profile with the machined end face is subjected to finish machining, machining allowance is accurately cut and polished by the profile according to the size required by a drawing, then an automatic calibration instrument is adopted to perform precise calibration on the profile, and the straightness and the torsion resistance of the profile are corrected to obtain a finish-machined elevator guide rail; carrying out spraying treatment on the finish-machined elevator guide rail, firstly washing the elevator guide rail by pure clear water, wherein the spraying water pressure is 0.16Mpa, then carrying out hot air circulation drying on the elevator guide rail, painting the elevator guide rail after drying, coating anti-rust oil on the processed surface, wherein the rust oil comprises 20g/L of zinc nitrate, 13g/L of potassium permanganate, 15ml/L of sulfuric acid, 32ml/L of hydrogen peroxide and the balance of tap water, the generation condition temperature is 40 ℃, the pH value is 4, the soaking time is 100min, coating anti-corrosion paint on the non-processed surface, the anti-corrosion paint is a mixture of organic silicon modified polyester resin and barium sulfate, and then carrying out natural air drying to obtain the sprayed elevator guide rail; packaging the obtained sprayed elevator guide rail, pasting the dried guide surface of the elevator guide rail, and installing protective sleeves on two end surfaces to complete the preparation process of the elevator guide rail;
weighing the prepared elevator guide rail by using a ten-thousandth precision balance, marking the weight of the elevator guide rail as W1, marking the weight of W1 as 16KG, marking the specification as 200-mesh corundum abrasive paper, tightly contacting the elevator guide rail with the weight of W1 with the 200-mesh corundum abrasive paper, simultaneously polishing for 5min, marking the mass of the polished elevator guide rail as W2, marking the mass of the elevator guide rail as 15.9945KG by using the ten-thousandth precision balance W2, marking the wear resistance as S1(S is W2/W1), and calculating S1 to be 99.9996 percent and ensuring the wear resistance of the elevator guide rail to be excellent.
The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (5)
1. The preparation method of the elevator guide rail is characterized by comprising the following steps:
the method comprises the following steps of firstly, carrying out stress relief treatment on sectional materials, placing the sectional materials in an open natural environment to be stacked together flatly for 7-10 days, and drying the sectional materials by blowing wind and sun under natural conditions to obtain the stress-relieved sectional materials;
step two, carrying out rust removal treatment on the obtained stress-removed section, placing the section in a shot blasting machine, cleaning and derusting the surface of the section by using a composite metal shot with the granularity of phi 2.5-phi 1mm and compressed air as power and utilizing the high-speed motion of the composite metal shot, wherein the time duration is controlled within 5-20min, so as to obtain the derusted section;
thirdly, performing rough machining treatment on the derusted section, and sending the section to a straightening machine for straightening at the straightening speed of 2-4m/s to obtain a rough and finished section;
step four, conducting guide surface processing on the roughly-finished section, utilizing a special high-speed broaching machine according to the size required by a drawing, conducting size processing on the section by adopting a strong wide-blade broaching processing technology, reserving a processing allowance of 3.5-5mm, and obtaining the section with the processed guide surface, wherein the roughness Ra of the processed section is less than or equal to 12;
step five, performing end face machining treatment on the section bar with the machined guide face, firstly planing a bottom plane by using a machine tool, wherein the feed amount of a planer tool is 0.2-0.5 mm, and then sequentially performing male tenon machining, female tenon machining, drilling machining and spot facing machining by using high-precision machine tool equipment to obtain the section bar with the machined end face;
step six, performing finish machining on the profile subjected to end face machining, accurately machining, cutting and polishing the machining allowance of the profile according to the size required by a drawing, then performing fine correction on the profile by using an automatic correction instrument, and correcting the straightness and the torsion of the profile to obtain a finish machined elevator guide rail;
step seven, carrying out spraying treatment on the finish-machined elevator guide rail, firstly washing the elevator guide rail by pure clear water, wherein the spraying water pressure is 0.12-0.17Mpa, then carrying out hot air circulation drying on the elevator guide rail, painting the elevator guide rail after drying, coating anti-rust oil on the processed surface, coating anti-corrosion paint on the non-processed surface, and then carrying out natural air drying to obtain the sprayed elevator guide rail;
and step eight, packaging the obtained sprayed elevator guide rail, pasting the air-dried guide surface of the elevator guide rail, and installing protective sleeves on two end surfaces of the elevator guide rail to finish the preparation process of the elevator guide rail so as to obtain the solid elevator guide rail.
2. Method for preparing an elevator guide rail according to claim 1, characterized in that: and the composite metal shot in the second step is compositely cast by 65% of steel, 20% of nickel and 15% of copper.
3. Method for preparing an elevator guide rail according to claim 1, characterized in that: and in the fifth step, the symmetric tolerance of the male tenon and the female tenon is 0.03mm-0.05 mm.
4. Method for preparing an elevator guide rail according to claim 1, characterized in that: in the fifth step, after the end face is machined, the upper longitudinal surface roughness Ra is not more than 1.5um, and the transverse surface roughness Ra is not less than 1.6 and not more than 6.0 um.
5. The process for preparing the method for preparing the elevator guide rail according to claim 1, wherein the process comprises the steps of: and seventhly, the anticorrosive paint is a mixture of organic silicon modified polyester resin and barium sulfate, the antirust oil consists of 10-20g/L of zinc nitrate, 12-15g/L of potassium permanganate, 10-15ml/L of sulfuric acid, 30-40ml/L of hydrogen peroxide and the balance of tap water, and the production conditions are that the temperature is 30-40 ℃, the pH value is 2.5-4 and the soaking time is 60-120 min.
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| CN201910987676.7A CN110757100A (en) | 2019-10-17 | 2019-10-17 | Preparation method of elevator guide rail |
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| CN201910987676.7A CN110757100A (en) | 2019-10-17 | 2019-10-17 | Preparation method of elevator guide rail |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111910186A (en) * | 2020-08-19 | 2020-11-10 | 江阴海丰电梯导轨有限公司 | High-rust-proof wear-resistant elevator guide rail surface treatment process |
| CN112275818A (en) * | 2020-09-21 | 2021-01-29 | 常熟市谢桥台板有限责任公司 | Machining method of guide rail for elevator |
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| JP2014531920A (en) * | 2011-08-15 | 2014-12-04 | コンフォーミス・インコーポレイテッドＣｏｎｆｏｒＭＩＳ， Ｉｎｃ． | Revision system, tool, and method for revision of an arthroplasty implant |
| CN106346261A (en) * | 2016-10-18 | 2017-01-25 | 江苏理工学院 | Production line and production process for automatically processing elevator guide rails |
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| EP2283946A2 (en) * | 2009-08-07 | 2011-02-16 | Schomäcker Federnwerk GmbH | Method and device for producing parabolic guides and parabolic springs for, in particular, vehicle chassis, vehicle bodies and the like |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111910186A (en) * | 2020-08-19 | 2020-11-10 | 江阴海丰电梯导轨有限公司 | High-rust-proof wear-resistant elevator guide rail surface treatment process |
| CN112275818A (en) * | 2020-09-21 | 2021-01-29 | 常熟市谢桥台板有限责任公司 | Machining method of guide rail for elevator |
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