CN106084767A - A kind of mechanical lifting machine slide block - Google Patents
A kind of mechanical lifting machine slide block Download PDFInfo
- Publication number
- CN106084767A CN106084767A CN201610421111.9A CN201610421111A CN106084767A CN 106084767 A CN106084767 A CN 106084767A CN 201610421111 A CN201610421111 A CN 201610421111A CN 106084767 A CN106084767 A CN 106084767A
- Authority
- CN
- China
- Prior art keywords
- parts
- slide block
- lifting machine
- carbon black
- mixing
- 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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-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L77/00—Compositions of polyamides obtained by reactions forming a carboxylic amide link in the main chain; Compositions of derivatives of such polymers
- C08L77/06—Polyamides derived from polyamines and polycarboxylic acids
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F3/00—Devices, e.g. jacks, adapted for uninterrupted lifting of loads
- B66F3/08—Devices, e.g. jacks, adapted for uninterrupted lifting of loads screw operated
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- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Geology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Structural Engineering (AREA)
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Manufacture Of Macromolecular Shaped Articles (AREA)
- Sliding-Contact Bearings (AREA)
Abstract
The present invention relates to a kind of mechanical lifting machine slide block, its constituent is as follows according to the mass fraction: PA 6650 ~ 80 parts, silicone powder 12 ~ 20 parts, glass fibre 8 ~ 15 parts, carbon black 3 ~ 9 parts;Present invention ensures that wear-resisting and mechanical property, hardness improves, and Reusability greasy property is good, the advantage such as have that bearing capacity is big, shock resistance, deformation resistance are good, is beneficial to raising lifting machine work efficiency, it is ensured that job safety reliability, solve metal block noise big, the phenomenons such as report danger is malfunctioning.
Description
Technical field
The present invention relates to a kind of mechanical lifting machine slide block, belong to supra polymer product technique field.
Background technology
Lifting machine is that automobile maintenance industry protects equipment for the vapour of vehicle hoisting, plays to closing in auto repair maintenance
Important effect, its product property, quality directly affect the personal safety of vehicle asset safety and maintainer.Mechanical type
Lifting machine slide block is the important component part of lifting machine, can realize lifting and support, yet with having interior spiral shell in lifting machine slide block
Stricture of vagina, to bearing capacity hardness, brittle failure, wear-resisting and mechanical property, Reusability greasy property is respectively provided with high requirements, thus ensures
Job safety reliability.
Summary of the invention
It is an object of the invention to the defect for prior art, it is provided that a kind of mechanical lifting machine slide block, hardness is high, pressure-bearing
Power is big, shock resistance, deformation resistance are good, and wear-resisting greasy property is good, is beneficial to ensure job safety reliability, improves lifting machine work effect
Rate.
The present invention is achieved by the following technical solutions:
A kind of mechanical lifting machine slide block, its constituent is as follows according to the mass fraction:
PA 66 50 ~ 80 parts
Silicone powder 12 ~ 20 parts
Glass fibre 8 ~ 15 parts
Carbon black 3 ~ 9 parts.
Above-mentioned a kind of mechanical lifting machine slide block, wherein, described silicone powder is silicone powder KJ-A, and silicone powder KJ-A is purchased from
Kai Jie plastic toughening Materials Co., Ltd of Jiande City.
Above-mentioned a kind of mechanical lifting machine slide block, wherein, described glass fibre length is 5 ~ 7mm.
Above-mentioned a kind of mechanical lifting machine slide block, wherein, described carbon black is carbon black N220, carbon black N550, carbon black N330, carbon
Black N339, carbon black N375 one or more, described carbon black N220, carbon black N550, carbon black N330, carbon black N339, carbon black N375
Forever shake white carbon black instrument factory purchased from Zhangqiu City of Shandong Province.
Above-mentioned a kind of mechanical lifting machine slide block, its preparation method is as follows:
(1) the most mixing: to take 50 ~ 80 parts of PA 66 and 12 ~ 20 parts of silicone powder according to the mass fraction, control stir speed (S.S.) be 120 ~
160r/min, temperature is 250 ~ 280 DEG C, and pressure is 2 ~ 2.5MPa, carries out the most mixing 1 ~ 2h;
(2) secondary is mixing: the material after the most mixing is added 8 ~ 15 parts of glass fibre and 3 ~ 9 parts of carbon blacks, controls stir speed (S.S.)
Being 150 ~ 250r/min, temperature is 290 ~ 310 DEG C, and pressure is 2.5 ~ 3MPa, carries out the mixing 2 ~ 3h of secondary, obtains mixed material;
(3) moulding by casting: be poured in mould after mixed material is melted and carry out curing molding, obtain slide block base substrate;
(4) annealing processing: slide block base substrate is pressed 58 DEG C/h of heating rate, is warming up to annealing temperature 174 DEG C, is incubated 6h subsequently, with
It is down to room temperature by 44 DEG C/h of rate of temperature fall afterwards, obtains molded body;
(6) chamfered: molded body is carried out chamfered Protect edge information, prepares lifting machine slide block finished product.
The invention have the benefit that
The present invention uses PA 66 to be main material, have high-tensile, resistance to tough, resistance to impact is special excellent, self-lubricity, wearability are good and low
Temperature characteristics is good, has self-extinguishment;Silicone powder KJ-A contributes to eliminating the shoe surface caused because adding glass fibre and carbon black and lacks
Fall into, eliminate PA 66 melt fracture, reduce mould accumulation in casting process, more preferable punch die and the demoulding, improve product surface light
Pool, improves goods lubricity and wearability, and significantly improves impact strength and the tensile strength of goods;Glass fibre contributes to changing
Become fragile disconnected property;Carbon black contributes to improving wearability and crack resistance and lubricity.
Present invention ensures that wear-resisting and mechanical property, hardness improves, and Reusability greasy property is good, and bearing capacity is big, anti-impact
Hit, deformation resistance good, improve lifting machine work efficiency, be beneficial to ensure job safety reliability, solve metal block noise big,
The phenomenons such as report danger is malfunctioning.
Accompanying drawing explanation
Fig. 1 is generalized section of the present invention.
Fig. 2 is top view of the present invention.
Detailed description of the invention
With embodiment, the detailed description of the invention of the present invention is described further below in conjunction with the accompanying drawings.
PA 66 is purchased from the letter plastic cement Science and Technology Ltd. of wound, and glass fibre is purchased from Dongan, and prosperous to build glass fibre limited
Company.
A kind of mechanical lifting machine slide block, including slider body 18, described for the cylindrical integral structure of slider body 18,
And inside is sequentially provided with slip through hole 21 and cylindrical groove 22 by top to bottom, described slip through hole 21 connects with cylindrical groove 22,
And surface is provided with female thread 23, the interior diameter of institute's cylindrical groove 22 is more than the interior diameter of slip through hole 21, and described cylindrical groove top sets
Buffering ring 26, described slip through hole 21 is had to be equipped with chamfering 7, described cunning with cylindrical groove 22 bottom margin, lifting slide block 18 edge
Block body 18 top is provided with some installing holes 24, and described some installing holes 24 are arranged around 18 1 weeks uniform intervals of slider body.
Embodiment 1
A kind of mechanical lifting machine slide block, its preparation method is as follows:
(1) the most mixing: to take 65 parts of PA 66 and 19 parts of silicone powder KJ-A according to the mass fraction, control stir speed (S.S.) is 130r/
Min, temperature is 255 DEG C, and pressure is 2.5MPa, carries out the most mixing 1h;
(2) secondary is mixing: the material after the most mixing is added 13 parts of glass fibre and 3 parts of carbon black N339,2 parts of carbon black N375,
Glass fibre length is 5 ~ 7mm, and control stir speed (S.S.) is 230r/min, and temperature is 300 DEG C, and pressure is 2.6MPa, carries out secondary
Mixing 2h, obtains mixed material;
(3) moulding by casting: be poured in mould after mixed material is melted and carry out curing molding, obtain slide block base substrate;
(4) annealing processing: slide block base substrate is pressed 58 DEG C/h of heating rate, is warming up to annealing temperature 174 DEG C, is incubated 6h subsequently, with
It is down to room temperature by 44 DEG C/h of rate of temperature fall afterwards, obtains molded body;
(6) chamfered: molded body is carried out chamfered Protect edge information, prepares lifting machine slide block finished product.
Embodiment 2
A kind of mechanical lifting machine slide block, its preparation method is as follows:
(1) the most mixing: to take 76 parts of PA 66 and 16 parts of silicone powder KJ-A according to the mass fraction, control stir speed (S.S.) is 145r/
Min, temperature is 270 DEG C, and pressure is 2.1MPa, carries out the most mixing 2h;
(2) secondary is mixing: the material after the most mixing is added 14 parts of glass fibre and 3 parts of carbon black N220, glass fibre length
Being 5 ~ 7mm, control stir speed (S.S.) is 170r/min, and temperature is 305 DEG C, and pressure is 2.6MPa, carries out the mixing 3h of secondary, obtains mixing
Material;
(3) moulding by casting: be poured in mould after mixed material is melted and carry out curing molding, obtain slide block base substrate;
(4) annealing processing: slide block base substrate is pressed 58 DEG C/h of heating rate, is warming up to annealing temperature 174 DEG C, is incubated 6h subsequently, with
It is down to room temperature by 44 DEG C/h of rate of temperature fall afterwards, obtains molded body;
(6) chamfered: molded body is carried out chamfered Protect edge information, prepares lifting machine slide block finished product.
Embodiment 3
A kind of mechanical lifting machine slide block, its preparation method is as follows:
(1) the most mixing: to take 70 parts of PA 66 and 18 parts of silicone powder KJ-A according to the mass fraction, control stir speed (S.S.) is 155r/
Min, temperature is 265 DEG C, and pressure is 2MPa, carries out the most mixing 1.5h;
(2) secondary is mixing: the material after the most mixing is added 15 parts of glass fibre and 5 parts of carbon black N550,3 parts of carbon black N330,
Glass fibre length is 5 ~ 7mm, and control stir speed (S.S.) is 220r/min, and temperature is 300 DEG C, and pressure is 3MPa, carries out secondary and mixes
Refining 2.5h, obtains mixed material;
(3) moulding by casting: be poured in mould after mixed material is melted and carry out curing molding, obtain slide block base substrate;
(4) annealing processing: slide block base substrate is pressed 58 DEG C/h of heating rate, is warming up to annealing temperature 174 DEG C, is incubated 6h subsequently, with
It is down to room temperature by 44 DEG C/h of rate of temperature fall afterwards, obtains molded body;
(6) chamfered: molded body is carried out chamfered Protect edge information, prepares lifting machine slide block finished product.
Present invention ensures that wear-resisting and mechanical property, hardness improves, and Reusability greasy property is good, and bearing capacity is big, anti-impact
Hit, deformation resistance good, improve lifting machine work efficiency, be beneficial to ensure job safety reliability, solve metal block noise big,
The phenomenons such as report danger is malfunctioning;Installing hole can install gripper shoe, and female thread coordinates realization lifting transmission with screw mandrel external screw thread, when lifting is sliding
When block comes off, cylindrical groove and axle sleeve top cover fit during whereabouts, it is achieved insure spacing, improve operational security.
The above, the only present invention preferably detailed description of the invention, but protection scope of the present invention is not limited thereto,
Any those familiar with the art in the technical scope that the invention discloses, the change that can readily occur in or replacement,
All should contain within the scope of the present invention.Therefore, protection scope of the present invention should be with the protection domain of claims
It is as the criterion.
Claims (5)
1. a mechanical lifting machine slide block, is characterized by, its constituent is as follows according to the mass fraction:
PA 66 50 ~ 80 parts
Silicone powder 12 ~ 20 parts
Glass fibre 8 ~ 15 parts
Carbon black 3 ~ 9 parts.
2. a kind of mechanical lifting machine slide block as claimed in claim 1, is characterized by, described silicone powder is silicone powder KJ-A.
3. a kind of mechanical lifting machine slide block as claimed in claim 1, is characterized by, described glass fibre length is 5 ~ 7mm.
4. a kind of mechanical lifting machine slide block as claimed in claim 1, is characterized by, described carbon black is carbon black N220, carbon black
N550, carbon black N330, carbon black N339, carbon black N375 one or more.
5. a kind of mechanical lifting machine slide block as claimed in claim 1, is characterized by, its preparation method is as follows:
(1) the most mixing: to take 50 ~ 80 parts of PA 66 and 12 ~ 20 parts of silicone powder according to the mass fraction, control stir speed (S.S.) be 120 ~
160r/min, temperature is 250 ~ 280 DEG C, and pressure is 2 ~ 2.5MPa, carries out the most mixing 1 ~ 2h;
(2) secondary is mixing: the material after the most mixing is added 8 ~ 15 parts of glass fibre and 3 ~ 9 parts of carbon blacks, controls stir speed (S.S.)
Being 150 ~ 250r/min, temperature is 290 ~ 310 DEG C, and pressure is 2.5 ~ 3MPa, carries out the mixing 2 ~ 3h of secondary, obtains mixed material;
(3) moulding by casting: be poured in mould after mixed material is melted and carry out curing molding, obtain slide block base substrate;
(4) annealing processing: slide block base substrate is pressed 58 DEG C/h of heating rate, is warming up to annealing temperature 174 DEG C, is incubated 6h subsequently, with
It is down to room temperature by 44 DEG C/h of rate of temperature fall afterwards, obtains molded body;
(6) chamfered: molded body is carried out chamfered Protect edge information, prepares lifting machine slide block finished product.
Priority Applications (1)
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CN201610421111.9A CN106084767A (en) | 2016-06-16 | 2016-06-16 | A kind of mechanical lifting machine slide block |
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CN201610421111.9A CN106084767A (en) | 2016-06-16 | 2016-06-16 | A kind of mechanical lifting machine slide block |
Publications (1)
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CN106084767A true CN106084767A (en) | 2016-11-09 |
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CN201610421111.9A Pending CN106084767A (en) | 2016-06-16 | 2016-06-16 | A kind of mechanical lifting machine slide block |
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Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20090286064A1 (en) * | 2001-11-02 | 2009-11-19 | Kitagawa Industries Co., Ltd. | Sliding parts, precision parts and timepieces and electronic equipment using the same |
CN101955664A (en) * | 2010-10-20 | 2011-01-26 | 株洲时代新材料科技股份有限公司 | Reinforced wear-resistance nylon 66 composite for textile apparatuses and preparation method thereof |
CN101955655A (en) * | 2010-09-09 | 2011-01-26 | 邵峰 | Nylon composition for labyrinth inner and outer sealing rings |
CN102532884A (en) * | 2010-12-21 | 2012-07-04 | 上海日之升新技术发展有限公司 | Nylon 66 composition capable of being used in automobile radiator covers and preparing method thereof |
-
2016
- 2016-06-16 CN CN201610421111.9A patent/CN106084767A/en active Pending
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20090286064A1 (en) * | 2001-11-02 | 2009-11-19 | Kitagawa Industries Co., Ltd. | Sliding parts, precision parts and timepieces and electronic equipment using the same |
CN101955655A (en) * | 2010-09-09 | 2011-01-26 | 邵峰 | Nylon composition for labyrinth inner and outer sealing rings |
CN101955664A (en) * | 2010-10-20 | 2011-01-26 | 株洲时代新材料科技股份有限公司 | Reinforced wear-resistance nylon 66 composite for textile apparatuses and preparation method thereof |
CN102532884A (en) * | 2010-12-21 | 2012-07-04 | 上海日之升新技术发展有限公司 | Nylon 66 composition capable of being used in automobile radiator covers and preparing method thereof |
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Application publication date: 20161109 |