CN108501282A - A kind of production technology of the automatic rubber roller for rice huller of air pressure - Google Patents
A kind of production technology of the automatic rubber roller for rice huller of air pressure Download PDFInfo
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- CN108501282A CN108501282A CN201810096225.XA CN201810096225A CN108501282A CN 108501282 A CN108501282 A CN 108501282A CN 201810096225 A CN201810096225 A CN 201810096225A CN 108501282 A CN108501282 A CN 108501282A
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- Prior art keywords
- rubber roller
- air pressure
- heating
- rice huller
- production technology
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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
-
- 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
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/02—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles
- B29C43/18—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles incorporating preformed parts or layers, e.g. compression moulding around inserts or for coating articles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B13/00—Conditioning or physical treatment of the material to be shaped
- B29B13/06—Conditioning or physical treatment of the material to be shaped by drying
- B29B13/065—Conditioning or physical treatment of the material to be shaped by drying of powder or pellets
-
- 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
- B29C33/00—Moulds or cores; Details thereof or accessories therefor
- B29C33/56—Coatings, e.g. enameled or galvanised; Releasing, lubricating or separating agents
- B29C33/60—Releasing, lubricating or separating agents
- B29C33/62—Releasing, lubricating or separating agents based on polymers or oligomers
-
- 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
- B29C35/00—Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
- B29C35/02—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2067/00—Use of polyesters or derivatives thereof, as moulding material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/32—Wheels, pinions, pulleys, castors or rollers, Rims
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Thermal Sciences (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention discloses a kind of production technologies of the automatic rubber roller for rice huller of air pressure, including following production stage：Polyester polyol is put into heating in heating equipment and extracts wherein moisture, adhesive is added thereto after cooling, proceeds by vacuum processing, after the completion of reaction, taking-up is cooled to room temperature, and obtains polyester mixed liquor；MoCA is put into reaction vessel, bulk is made in heating postcooling, adds butanediol and solidifying agent, is uniformly mixed heating, is stirred continuously in liquid, obtains curing agent；Crosslinking agent is coated on the outer surface of iron core, after heating, is directly placed into mold, curing agent then is added in polyester mixed liquor, is poured into mold after stirring evenly, upper press-molding, then put it into and carry out vulcanizing treatment, cooling and mould unloading in drying equipment.The rub proofness of the automatic rubber roller for rice huller of air pressure of the present invention is high, elasticity is good, at low cost, service life is long.
Description
Technical field
The present invention relates to hulling machine technical fields, and in particular to a kind of production technology of the automatic rubber roller for rice huller of air pressure.
Background technology
Common husking machine equipment has rubber roll husker, disk husker emery sheller and centrifugal husker etc., wherein rubber roll husker
Main working parts are a pair of horizontal rubber roller or plastics rollers that glue-line is bonded or be set on cast iron cylinder, two roll axis
It is located in the same horizontal plane or slightly difference in height, is rotated in opposite directions with different rotating speeds, wherein the position of a roller is fixed, another roller can
With movement, keep the roll clearance between two rollers adjustable, between paddy equably feeds two rollers through dropping down plate in rubber roller overall length, isometrical roller with
Different linear speeds inversely turn round, and make to be squeezed by the paddy between roller by the pressure of pressure and stranding is torn, due to by two rollers
Extruding and the tearing effect of stranding that is generated by two roller speed differences, most paddy achieve the purpose that shelling, into husk separation dress
It sets, then rice husk is absorbed through inlet scoop, after mixture of paddy and husked rice is detached with rice husk, mixture of paddy and husked rice drops down plate discharge, roll clearance tune from discharging
Section mechanism has level pressure to adjust can borrow air pressure, hydraulic pressure or pressure thallium progress with spacing two classes of adjusting, level pressure adjusting.Currently, in the market often
Conventional cots have the shortcomings that not wear-resisting, non-refractory, elastic low and service life are short, in consideration of it, it is necessary to tradition
The production technology of the automatic rubber roller for rice huller of air pressure make improvement.
Invention content
To solve the deficiencies in the prior art, high, elastic good, cost that the purpose of the present invention is to provide a kind of rub proofnesses
The production technology of the automatic rubber roller for rice huller of air pressure low, with long service life.
In order to realize that above-mentioned target, the present invention adopt the following technical scheme that：
A kind of production technology of the automatic rubber roller for rice huller of air pressure, which is characterized in that including following production stage：
S1, die surface is cleaned first, drying in drying equipment is put into after cleaning up, is taken out after dry, and in mould
Polyurethane release agent is coated on the inner surface of tool；
S2, iron core made of steel-pipe welding is chosen, sandblasting is carried out to iron core surface, iron core is then cleaned, to remove its surface
Iron rust and greasy dirt, it is for use after cleaning；
S3, polyester polyol is put into heating extraction wherein moisture in heating equipment, adhesive is added thereto after cooling, starts
It is vacuum-treated, after the completion of reaction, taking-up is cooled to room temperature, and obtains polyester mixed liquor；
S4, MoCA is put into reaction vessel, bulk is made in heating postcooling, adds butanediol and solidifying agent, is uniformly mixed
88 ~ 102 DEG C are heated to, is stirred continuously in liquid, obtains curing agent；
S5, crosslinking agent is coated on the outer surface of iron core, after being heated to 78 ~ 95 DEG C, be directly placed into mold, it is then mixed in polyester
It closes in liquid and curing agent is added, poured into mold after stirring evenly, upper press-molding, then put it into drying equipment and vulcanized
Processing；
After the completion of S6, vulcanizing treatment, rubber roller cleans out mold, and finish to rubber roller, disposes table through cooling and mould unloading
After the spot in face, rubber roller finished product is obtained.
Preferably, in abovementioned steps S1, the coating thickness of polyurethane release agent is 50 ~ 150 μm.
More preferably, in above mentioned steps S3, the heating temperature of polyester polyol is 75 ~ 95 DEG C, heating time is 22 ~
32min。
It is highly preferred that in above mentioned steps S3, the temperature of vacuum processing is 136 ~ 148 DEG C, and the time is 1.2 ~ 1.6h.
It is further preferred that in abovementioned steps S4, the heating temperature of MoCA is 55 ~ 80 DEG C, and heating time is 15 ~ 28min.
Specifically, in abovementioned steps S5, the coating thickness of crosslinking agent is 50 ~ 70 μm.
Preferably, aforementioned crosslinking agent includes following each component by weight：28 ~ 42 parts of water soluble phenol resin gathers
8 ~ 16 parts of 15 ~ 33 parts of ethylene, 21 ~ 26 parts of organic acid, 14 ~ 19 parts of aldehydes, 11 ~ 19 parts of isopropanol and triethanolamine.
More preferably, in abovementioned steps S5, the temperature of vulcanizing treatment is 140 ~ 155 DEG C, and the time is 2.5 ~ 3.5h, and pressure is
5.5~6.5Kg/cm2。
It is highly preferred that foregoing polyester polyols, adhesive, MoCA, butanediol and solidifying agent mass ratio be（32~45）：
（11~13）：（2~6）：（4~7）：3.
The invention has the beneficial effects that：The rub proofness of the automatic rubber roller for rice huller of air pressure of the present invention is high, elasticity is good,
It is at low cost, service life is long, colloid have enough surface viscosities, it is ensured that rubber roller keeps good conveying during pelletizing
Introduction acts on；Crosslinking agent is coated on iron core can accelerate the solidification of polyester mixed liquor, reduce hardening time, improve production
Efficiency；After carrying out heat pre-treatment to MoCA, moisture therein can be removed, to improve the quality that curing agent is made.
Specific implementation mode
Specific introduce is made to the present invention below in conjunction with specific embodiment.
Embodiment 1
A kind of production technology of the automatic rubber roller for rice huller of air pressure, which is characterized in that including following production stage：
S1, die surface is cleaned first, drying in drying equipment is put into after cleaning up, is taken out after dry, and in mould
Polyurethane release agent is coated on the inner surface of tool, the coating thickness of polyurethane release agent is 50 μm；
S2, iron core made of steel-pipe welding is chosen, sandblasting is carried out to iron core surface, iron core is then cleaned, to remove its surface
Iron rust and greasy dirt, it is for use after cleaning；
S3, polyester polyol being put into heating extraction wherein moisture in heating equipment, the heating temperature of polyester polyol is 75 DEG C,
Heating time is 22min, and adhesive is added thereto after cooling, proceeds by vacuum processing, the temperature of vacuum processing is 136
DEG C, time 1.2h, after the completion of reaction, taking-up is cooled to room temperature, and obtains polyester mixed liquor；
S4, MoCA is put into reaction vessel, bulk is made in heating postcooling, and the heating temperature of MoCA is 55 DEG C, heating time
For 15min, butanediol and solidifying agent are added, is uniformly mixed and is heated to 88 DEG C, is stirred continuously in liquid, is cured
Agent；
S5, coat crosslinking agent on the outer surface of iron core, the coating thickness of crosslinking agent is 50 μm, crosslinking agent include it is following by weight
The each component of part meter：28 parts of water soluble phenol resin, 15 parts of polyethylene, 21 parts of organic acid, 14 parts of aldehydes, 11 parts of isopropanol and three
8 parts of ethanol amine；It after being heated to 78 DEG C, is directly placed into mold, curing agent then is added in polyester mixed liquor, after stirring evenly
It pours into mold, upper press-molding, then puts it into and carry out vulcanizing treatment in drying equipment, the temperature of vulcanizing treatment is 140 DEG C,
Time is 2.5h, pressure 5.5Kg/cm2；
After the completion of S6, vulcanizing treatment, rubber roller cleans out mold, and finish to rubber roller, disposes table through cooling and mould unloading
After the spot in face, rubber roller finished product is obtained.
Wherein, the mass ratio of polyester polyol, adhesive, MoCA, butanediol and solidifying agent is 32：11：2：4：3.
Embodiment 2
A kind of production technology of the automatic rubber roller for rice huller of air pressure, which is characterized in that including following production stage：
S1, die surface is cleaned first, drying in drying equipment is put into after cleaning up, is taken out after dry, and in mould
Polyurethane release agent is coated on the inner surface of tool, the coating thickness of polyurethane release agent is 150 μm；
S2, iron core made of steel-pipe welding is chosen, sandblasting is carried out to iron core surface, iron core is then cleaned, to remove its surface
Iron rust and greasy dirt, it is for use after cleaning；
S3, polyester polyol being put into heating extraction wherein moisture in heating equipment, the heating temperature of polyester polyol is 95 DEG C,
Heating time is 32min, and adhesive is added thereto after cooling, proceeds by vacuum processing, the temperature of vacuum processing is 148
DEG C, time 1.6h, after the completion of reaction, taking-up is cooled to room temperature, and obtains polyester mixed liquor；
S4, MoCA is put into reaction vessel, bulk is made in heating postcooling, and the heating temperature of MoCA is 80 DEG C, heating time
For 28min, butanediol and solidifying agent are added, is uniformly mixed and is heated to 102 DEG C, is stirred continuously in liquid, is cured
Agent；
S5, coat crosslinking agent on the outer surface of iron core, the coating thickness of crosslinking agent is 70 μm, crosslinking agent include it is following by weight
The each component of part meter：42 parts of water soluble phenol resin, 33 parts of polyethylene, 26 parts of organic acid, 19 parts of aldehydes, 19 parts of isopropanol and three
16 parts of ethanol amine；It after being heated to 95 DEG C, is directly placed into mold, curing agent then is added in polyester mixed liquor, stirs evenly
After pour into mold, the temperature of upper press-molding, then put it into and carry out vulcanizing treatment in drying equipment, vulcanizing treatment is 155
DEG C, time 3.5h, pressure 6.5Kg/cm2；
After the completion of S6, vulcanizing treatment, rubber roller cleans out mold, and finish to rubber roller, disposes table through cooling and mould unloading
After the spot in face, rubber roller finished product is obtained.
Wherein, the mass ratio of polyester polyol, adhesive, MoCA, butanediol and solidifying agent is 45：13：6：7：3.
Embodiment 3
A kind of production technology of the automatic rubber roller for rice huller of air pressure, which is characterized in that including following production stage：
S1, die surface is cleaned first, drying in drying equipment is put into after cleaning up, is taken out after dry, and in mould
Polyurethane release agent is coated on the inner surface of tool, the coating thickness of polyurethane release agent is 100 μm；
S2, iron core made of steel-pipe welding is chosen, sandblasting is carried out to iron core surface, iron core is then cleaned, to remove its surface
Iron rust and greasy dirt, it is for use after cleaning；
S3, polyester polyol being put into heating extraction wherein moisture in heating equipment, the heating temperature of polyester polyol is 85 DEG C,
Heating time is 27min, and adhesive is added thereto after cooling, proceeds by vacuum processing, the temperature of vacuum processing is 142
DEG C, time 1.4h, after the completion of reaction, taking-up is cooled to room temperature, and obtains polyester mixed liquor；
S4, MoCA is put into reaction vessel, bulk is made in heating postcooling, and the heating temperature of MoCA is 65 DEG C, heating time
For 21min, butanediol and solidifying agent are added, is uniformly mixed and is heated to 95 DEG C, is stirred continuously in liquid, is cured
Agent；
S5, coat crosslinking agent on the outer surface of iron core, the coating thickness of crosslinking agent is 60 μm, crosslinking agent include it is following by weight
The each component of part meter：33 parts of water soluble phenol resin, 21 parts of polyethylene, 24 parts of organic acid, 17 parts of aldehydes, 15 parts of isopropanol and three
12 parts of ethanol amine；It after being heated to 82 DEG C, is directly placed into mold, curing agent then is added in polyester mixed liquor, stirs evenly
After pour into mold, the temperature of upper press-molding, then put it into and carry out vulcanizing treatment in drying equipment, vulcanizing treatment is 145
DEG C, time 3h, pressure 6Kg/cm2；
After the completion of S6, vulcanizing treatment, rubber roller cleans out mold, and finish to rubber roller, disposes table through cooling and mould unloading
After the spot in face, rubber roller finished product is obtained.
Wherein, the mass ratio of polyester polyol, adhesive, MoCA, butanediol and solidifying agent is 39：12：4：5：3.
Performance detection through rubber roller is it is found that the hardness of the rubber roller produced in embodiment 1, embodiment 2 and embodiment 3 is reachable
It to 89 ~ 90 degree, is installed on hulling machine, goes out paddy rate and can reach 73% or more, and common commercially available rubber roller is mounted on husking
The paddy rate that goes out after on machine is only 61%.
The rub proofness of the automatic rubber roller for rice huller of air pressure of the present invention is high, elasticity is good, at low cost, service life is long, glue
Body has enough surface viscosities, it is ensured that rubber roller keeps good conveying introduction to act on during pelletizing；It is applied on iron core
The solidification of polyester mixed liquor can be accelerated by covering crosslinking agent, reduced hardening time, improved production efficiency；MoCA is heated
After pretreatment, moisture therein can be removed, to improve the quality that curing agent is made.
The basic principles, main features and advantages of the invention have been shown and described above.The technical staff of the industry should
Understand, the invention is not limited in any way above-described embodiment, all to be obtained by the way of equivalent substitution or equivalent transformation
Technical solution is all fallen in protection scope of the present invention.
Claims (9)
1. a kind of production technology of the automatic rubber roller for rice huller of air pressure, which is characterized in that including following production stage：
S1, die surface is cleaned first, drying in drying equipment is put into after cleaning up, is taken out after dry, and in mould
Polyurethane release agent is coated on the inner surface of tool；
S2, iron core made of steel-pipe welding is chosen, sandblasting is carried out to iron core surface, iron core is then cleaned, to remove its surface
Iron rust and greasy dirt, it is for use after cleaning；
S3, polyester polyol is put into heating extraction wherein moisture in heating equipment, adhesive is added thereto after cooling, starts
It is vacuum-treated, after the completion of reaction, taking-up is cooled to room temperature, and obtains polyester mixed liquor；
S4, MoCA is put into reaction vessel, bulk is made in heating postcooling, adds butanediol and solidifying agent, is uniformly mixed
88 ~ 102 DEG C are heated to, is stirred continuously in liquid, obtains curing agent；
S5, crosslinking agent is coated on the outer surface of iron core, after being heated to 78 ~ 95 DEG C, be directly placed into mold, it is then mixed in polyester
It closes in liquid and curing agent is added, poured into mold after stirring evenly, upper press-molding, then put it into drying equipment and vulcanized
Processing；
After the completion of S6, vulcanizing treatment, rubber roller cleans out mold, and finish to rubber roller, disposes table through cooling and mould unloading
After the spot in face, rubber roller finished product is obtained.
2. a kind of production technology of the automatic rubber roller for rice huller of air pressure according to claim 1, which is characterized in that the step
In rapid S1, the coating thickness of polyurethane release agent is 50 ~ 150 μm.
3. a kind of production technology of the automatic rubber roller for rice huller of air pressure according to claim 1, which is characterized in that the step
In rapid S3, the heating temperature of polyester polyol is 75 ~ 95 DEG C, and heating time is 22 ~ 32min.
4. a kind of production technology of the automatic rubber roller for rice huller of air pressure according to claim 1, which is characterized in that the step
In rapid S3, the temperature of vacuum processing is 136 ~ 148 DEG C, and the time is 1.2 ~ 1.6h.
5. a kind of production technology of the automatic rubber roller for rice huller of air pressure according to claim 1, which is characterized in that the step
In rapid S4, the heating temperature of MoCA is 55 ~ 80 DEG C, and heating time is 15 ~ 28min.
6. a kind of production technology of the automatic rubber roller for rice huller of air pressure according to claim 1, which is characterized in that the step
In rapid S5, the coating thickness of crosslinking agent is 50 ~ 70 μm.
7. a kind of production technology of the automatic rubber roller for rice huller of air pressure according to claim 5, which is characterized in that the friendship
It includes following each component by weight to join agent：28 ~ 42 parts of water soluble phenol resin, 15 ~ 33 parts of polyethylene, organic acid 21 ~
8 ~ 16 parts of 26 parts, 14 ~ 19 parts of aldehydes, 11 ~ 19 parts of isopropanol and triethanolamine.
8. a kind of production technology of the automatic rubber roller for rice huller of air pressure according to claim 1, which is characterized in that the step
In rapid S5, the temperature of vulcanizing treatment is 140 ~ 155 DEG C, and the time is 2.5 ~ 3.5h, and pressure is 5.5 ~ 6.5Kg/cm2。
9. a kind of production technology of the automatic rubber roller for rice huller of air pressure according to claim 1, which is characterized in that described poly-
Ester polyol, adhesive, MoCA, butanediol and solidifying agent mass ratio be（32~45）：（11~13）：（2~6）：（4~7）：3.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810096225.XA CN108501282A (en) | 2018-01-31 | 2018-01-31 | A kind of production technology of the automatic rubber roller for rice huller of air pressure |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810096225.XA CN108501282A (en) | 2018-01-31 | 2018-01-31 | A kind of production technology of the automatic rubber roller for rice huller of air pressure |
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| CN103483541A (en) * | 2013-08-19 | 2014-01-01 | 淄博启明星新材料有限公司 | Polyurethane elastomer printing rubber roller and preparation method thereof |
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| CN105860021A (en) * | 2016-04-29 | 2016-08-17 | 无锡市兰翔胶业有限公司 | Polyurethane rubber roller for spinning and production method thereof |
| CN107082861A (en) * | 2017-04-06 | 2017-08-22 | 三门中瑞聚氨酯科技有限公司 | Casting type polyurethane weaving drafting rubber roller and its manufacture method |
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Application publication date: 20180907 |