CN107214885A - Production technology and its equipment that a kind of EVA is finely milled - Google Patents
Production technology and its equipment that a kind of EVA is finely milled Download PDFInfo
- Publication number
- CN107214885A CN107214885A CN201710586630.5A CN201710586630A CN107214885A CN 107214885 A CN107214885 A CN 107214885A CN 201710586630 A CN201710586630 A CN 201710586630A CN 107214885 A CN107214885 A CN 107214885A
- Authority
- CN
- China
- Prior art keywords
- eva
- milling
- screening plant
- milling device
- leftover pieces
- 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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Classifications
-
- 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
- B29B17/00—Recovery of plastics or other constituents of waste material containing plastics
- B29B17/04—Disintegrating plastics, e.g. by milling
- B29B17/0404—Disintegrating plastics, e.g. by milling to powder
- B29B17/0408—Disintegrating plastics, e.g. by milling to powder using cryogenic systems
-
- 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
- B29B17/00—Recovery of plastics or other constituents of waste material containing plastics
- B29B17/04—Disintegrating plastics, e.g. by milling
- B29B2017/0424—Specific disintegrating techniques; devices therefor
- B29B2017/0484—Grinding tools, roller mills or disc mills
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/62—Plastics recycling; Rubber recycling
Abstract
The invention discloses the production technology that a kind of EVA is finely milled, comprise the following steps：A：Blowing；B：Cutting；C：Add anti-sticking glutinous material；D：Milling and cooling；E：Secondary milling；F：Collect；The production equipment that a kind of EVA is finely milled, including frame, cutter device, milling device, screening plant and surge drum, milling device is fixed with frame, the bottom of milling device is provided with screening plant, the both sides of screening plant are respectively and fixedly provided with the auxiliary stand of support screening plant, the side of milling device is provided with cutter device, and the bottom of screening plant is provided with surge drum.The present invention can be in the case where not influenceing the build-in attribute of EVA powder, EVA powder is avoided mutually to be glued with milling structure glutinous, the generation for the dead material being significantly reduced, by carrying out secondary fine grinding and cutting structure, the fine degree of EVA powder can be ensured, the situation of imperfection occurs when reducing EVA powder milling.
Description
Technical field
The present invention relates to a kind of EVA products, production technology and its equipment that more particularly to a kind of EVA is finely milled.
Background technology
EVA materials have good flexibility and the elasticity as rubber, therefore are used to do various objects, still
Substantial amounts of EVA leftover pieces can be left in process, the waste material of this part can not degrade, environment is also harmful to, so generally
With milling, mechanism is milled, and is then fabricated to rubber powder, is come into operation again, but during milling, milling mechanism warp
Often with EVA leftover pieces can glue and stick, dead material be easily caused, serious reduces the rate of recovery, at present usually using logical to emery wheel
The method for entering cooling water is cooled, but this temperature control effect is not good, and generally requiring the additive of auxiliary prevents viscous glutinous, and
EVA leftover pieces are very thick when entering milling device, it is not easy to refined by emery wheel, and without secondary fine grinding, therefore in surge drum
Interior regular meeting is collected into the EVA leftover pieces not being precision ground.
The content of the invention
The technical problem to be solved in the present invention is to overcome the defect of prior art there is provided the production that a kind of EVA is finely milled
Technique and its equipment, it is to avoid EVA powder mutually glues glutinous, the generation for the dead material being significantly reduced with milling structure, improves EVA powder
Refining degree.
In order to solve the above-mentioned technical problem, the invention provides following technical scheme：
The production technology that a kind of EVA is finely milled, comprises the following steps：
A:Blowing：EVA leftover pieces are placed on a moving belt one by one.
B:Cutting：EVA leftover pieces are sent in cutter device, 5mm-10mm small-sized EVA is cut into by cutter device
Leftover pieces.
C：Add anti-sticking glutinous material：It is sent in small-sized EVA leftover pieces in the way of milling device, pps powder is mixed
Enter in small-sized EVA leftover pieces, wherein pps powder accounts for the 3% of EVA leftover pieces weight.
D：Milling and cooling：Small-sized EVA leftover pieces are put into milling device, powder are finish-ground to by hollow Carborundum wheel, together
When be passed through cooling gas into milling device, and to cooling water is passed through inside hollow Carborundum wheel, while carrying out temperature adjustment.
E：Secondary milling：By carrying out feed powder separation, the original do not refined in the material transportation after fine grinding to screening plant
Material is transported again carries out secondary fine grinding in screening plant.
F：Collect：The EVA powder refined is collected by surge drum.
As a preferred technical solution of the present invention, temperature temperature adjustment need to keep the temperature of EVA leftover pieces 0~60 DEG C it
Between, preferably between 25~50 DEG C.
As a preferred technical solution of the present invention, the production equipment that a kind of EVA is finely milled, it includes frame, cut
Cut and milling device, the bottom of the milling device are fixed with device, milling device, screening plant and surge drum, the frame
Screening plant is provided with, the both sides of the screening plant are respectively and fixedly provided with the auxiliary stand of support screening plant, the milling device
Side be provided with cutter device, the bottom of the screening plant is provided with surge drum.
As a preferred technical solution of the present invention, the cutter device includes rotating blade and support frame, the branch
Hydraulic cylinder is provided with support, the bottom of the hydraulic cylinder is provided with motion bar, and the bottom of the motion bar is connected with portable plate,
Blade is provided with the portable plate, the spacing of the blade is 5mm-10mm, and the bottom of the cutter device is provided through
The conveyer belt and conveyer belt of cutter device extend to the inside of milling device.
As a preferred technical solution of the present invention, cooling gas is provided with the top of the milling device and is passed through mouth, institute
State cooling gas and be passed through the side of mouth and be provided with exhaust outlet, the milling device is internally provided with Carborundum wheel, the diamond dust
Outer casing is provided with the outside of wheel, the center of the Carborundum wheel is provided with the power transmission shaft of synchronous axial system, the power transmission shaft
Side be socketed with bearing block and through bearing block outer surface, the opposite side of the power transmission shaft is provided with servomotor, described
Power transmission shaft and Carborundum wheel are hollow structure.
As a preferred technical solution of the present invention, the side of the screening plant is provided with motor, the motor
Bottom is provided with thick discharging opening, and the side of the thick discharging opening is provided with conveying elevator, one end of the conveying elevator and transmission
Band connection, the side of the motor is provided with rotary shaft, and the both sides up and down of the rotary shaft, which are provided with, to re-pack, described to re-pack
Outside is provided with sieve plate, and the side of the rotary shaft, which is provided with the inside of pipeline, the pipeline, is provided with vavuum pump, the screening
The bottom of device is provided with thin discharging opening.
Compared with prior art, beneficial effects of the present invention are as follows：
The present invention can be in the case where not influenceing the build-in attribute of EVA powder, it is to avoid EVA powder mutually glues with milling structure
It is glutinous, the generation for the dead material being significantly reduced, by carrying out secondary fine grinding and cutting structure, it is ensured that the fine journey of EVA powder
Degree, the situation of imperfection occurs when reducing EVA powder milling.
Brief description of the drawings
Accompanying drawing is used for providing a further understanding of the present invention, and constitutes a part for specification, the reality with the present invention
Applying example is used to explain the present invention together, is not construed as limiting the invention.In the accompanying drawings：
Fig. 1 is the overall structure diagram of the present invention；
Fig. 2 is one of partial structural diagram of the present invention；
Fig. 3 is the two of the partial structural diagram of the present invention；
In figure：1st, conveyer belt；2nd, cutter device；3rd, milling device；4th, screening plant；5th, surge drum；6th, frame；7th, aid in
Support；8th, blade；9th, support frame；10th, hydraulic cylinder；11st, motion bar；12nd, portable plate；13rd, cooling gas is passed through mouth；14th, exhaust outlet；
15th, Carborundum wheel；16th, outer casing；17th, power transmission shaft；18th, bearing block；19th, servomotor；20th, motor；21st, thick discharging opening；22、
Convey elevator；23rd, rotary shaft；24th, re-pack；25th, sieve plate；26th, pipeline；27th, vavuum pump；28th, thin discharging opening.
Embodiment
The preferred embodiments of the present invention are illustrated below in conjunction with accompanying drawing, it will be appreciated that preferred reality described herein
Apply example to be merely to illustrate and explain the present invention, be not intended to limit the present invention.Wherein identical label is all referred in accompanying drawing
Identical part.
In addition, if it is known that the detailed description of technology is for showing the invention is characterized in that unnecessary, then to be omitted.
It should be noted that the word "front", "rear", "left", "right", the "up" and "down" that are used below in description are referred in accompanying drawing
Direction, word " interior " and " outer " are referred respectively to towards or away from the direction of particular elements geometric center.
Embodiment 1
As Figure 1-3, the present invention provides the production technology and its equipment that a kind of EVA is finely milled, and comprises the following steps：
A：Blowing：EVA leftover pieces are placed on conveyer belt 1 one by one.
B：Cutting：EVA leftover pieces are sent in cutter device 2, the small-sized of 5mm-10mm is cut into by cutter device 2
EVA leftover pieces, facilitate milling device 3 to grind EVA leftover pieces.
C：Add anti-sticking glutinous material：It is sent in small-sized EVA leftover pieces in the way of milling device 3, by pps powder
It is mixed into small-sized EVA leftover pieces, wherein pps powder accounts for the 3% of EVA leftover pieces weight, it is to avoid Carborundum wheel 15 and EVA
Leftover pieces are viscous glutinous.
D：Milling and cooling：Small-sized EVA leftover pieces are put into milling device 3, powder is finish-ground to by hollow Carborundum wheel 15,
It is passed through cooling gas into milling device 3 simultaneously, and to being passed through cooling water inside hollow Carborundum wheel 15, while temperature adjustment is carried out,
Carborundum wheel 15 is cooled down, can further avoid Carborundum wheel 15 viscous glutinous with EVA leftover pieces.
E：Secondary milling：By carrying out feed powder separation, the original do not refined in the material transportation after fine grinding to screening plant 4
Material is transported again carries out secondary fine grinding in screening plant 4, improve fine grinding precision.
F：Collect：The EVA powder refined is collected by surge drum 5.
Further, the temperature that temperature temperature adjustment need to keep EVA leftover pieces is preferably 25~50 between 0~60 DEG C
Between DEG C, the build-in attribute of EVA leftover pieces is not interfered with this temperature, can also further prevent Carborundum wheel 15 with
EVA leftover pieces are viscous glutinous.
The production equipment that a kind of EVA is finely milled, it includes frame 6, cutter device 2, milling device 3, the and of screening plant 4
Milling device 3 is fixed with surge drum 5, frame 6, the bottom of milling device 3 is provided with screening plant 4, the both sides of screening plant 4
The auxiliary stand 7 of support screening plant 4 is respectively and fixedly provided with, the side of milling device 3 is provided with cutter device 2, the bottom of screening plant 4
Portion is provided with surge drum 5, makes whole milling process more smooth.
Cutter device 2 includes being provided with hydraulic cylinder 10 on blade 8 and support frame 9, support frame 9, and the bottom of hydraulic cylinder 10 is set
Motion bar 11 is equipped with, the bottom of motion bar 11, which is connected with portable plate 12, portable plate 12, is provided with blade 8, and the spacing of blade 8 is
5mm-10mm, the conveyer belt 1 and conveyer belt 1 that the bottom of cutter device 2 is provided through cutter device 2 extends to milling dress
Put 3 inside, EVA leftover pieces can be cut, facilitate milling device 3 to grind EVA leftover pieces.
The top of milling device 3 is provided with cooling gas and is passed through mouth 13, and the side that cooling gas is passed through mouth 13 is provided with exhaust outlet
14, milling device 3 is internally provided with Carborundum wheel 15, and the outside of Carborundum wheel 15 is provided with outer casing 16, Carborundum wheel 15
Center be provided with the power transmission shaft 17 of synchronous axial system, the side of power transmission shaft 17 is socketed with bearing block 18 and through bearing block 18
Outer surface, the opposite side of power transmission shaft 17 is provided with servomotor 19, and power transmission shaft 17 and Carborundum wheel 15 are hollow structure,
While milling, cooled down, further avoid Carborundum wheel 15 viscous glutinous with EVA leftover pieces.
The side of screening plant 4 is provided with motor 20, and the bottom of motor 20 is provided with thick discharging opening 21, thick discharging opening 21
Side is provided with conveying elevator 22, and one end of conveying elevator 22 is connected with conveyer belt 1, and the side of motor 20 is provided with rotary shaft
23, the both sides up and down of rotary shaft 23, which are provided with, re-packs 24, and 24 outside of re-packing is provided with sieve plate 25, and the side of rotary shaft 23 is set
Pipeline 26 is equipped with, the inner side of pipeline 26 is provided with vavuum pump 27, and the bottom of screening plant 4 is provided with thin discharging opening 28, to EVA sides
Corner material is separated.
Specifically, EVA leftover pieces are placed on conveyer belt 1 one by one, EVA leftover pieces are sent in cutter device 2, are started
Hydraulic cylinder 10 on cutter device 2, makes hydraulic cylinder 10 drive motion bar 11 to be pressed downward portable plate 12, the blade on portable plate 12
8 spacing are 5mm-10mm, and when EVA leftover pieces pass through cutter device 2 by conveyer belt 1, EVA leftover pieces are cut into 5mm-10mm
Small-sized EVA leftover pieces.
Then pps powder is mixed into small-sized EVA sides by small-sized EVA leftover pieces in transport into the way of milling device 3
In corner material, polyphenylene sulfide powder is in solid-state in normal temperature, has very strong anti-sticking glutinous effect after being mixed with small-sized EVA leftover pieces,
Subsequently into the inside of milling device 3, now, servomotor 19 drives power transmission shaft 17 to rotate Carborundum wheel 15, to EVA corners
Material is refined, while to cooling water is passed through inside hollow Carborundum wheel 15, mouth 13 is passed through into milling device 3 by cooling down gas
Portion can be discharged by cooling down gas, gas by exhaust outlet 14, by the temperature of the whole body of cooling controlled atmosphere, then be carried out by cooling water
Fine setting, simultaneously bi-directionally carries out temperature adjustment, temperature adjustment process is more stablized.
Material after being milled by milling device 3 is fallen on the sieve plate 25 of screening plant 4, and motor 20 drives rotary shaft 23
Make 24 rotations that re-pack, re-packing for rotation 24 can accelerate the velocity through screen of material, and screened material is directly entered by thin discharging opening 28
Enter in surge drum 5, after sieving is completed, open thick discharging opening 21, under the blowing of vavuum pump 27, the EVA materials not refined from
Thick discharging opening 21 is discharged, and into conveying elevator 22, the EVA materials not refined are fed again on conveyer belt 1 by conveying elevator 22,
Refined again.
The present invention can be in the case where not influenceing the build-in attribute of EVA powder, it is to avoid EVA powder mutually glues with milling structure
It is glutinous, the generation for the dead material being significantly reduced, by carrying out secondary fine grinding and cutting structure, it is ensured that the fine journey of EVA powder
Degree, the situation of imperfection occurs when reducing EVA powder milling.
Finally it should be noted that：The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention,
Although the present invention is described in detail with reference to the foregoing embodiments, for those skilled in the art, it still may be used
To be modified to the technical scheme described in foregoing embodiments, or equivalent substitution is carried out to which part technical characteristic.
Within the spirit and principles of the invention, any modification, equivalent substitution and improvements made etc., should be included in the present invention's
Within protection domain.
Claims (6)
1. a kind of production technology that EVA is finely milled, it is characterised in that following steps：
A：Blowing：EVA leftover pieces are placed on conveyer belt one by one（1）On,
B：Cutting：EVA leftover pieces are sent to cutter device（2）In, by cutter device（2）Cut into the small-sized of 5mm-10mm
EVA leftover pieces,
C：Add anti-sticking glutinous material：Milling device is sent in small-sized EVA leftover pieces（3）Way in, pps powder is mixed
Enter in small-sized EVA leftover pieces, wherein pps powder accounts for the 3% of EVA leftover pieces weight,
D：Milling and cooling：Small-sized EVA leftover pieces are put into milling device（3）It is interior, by hollow Carborundum wheel（15）It is finish-ground to powder,
Simultaneously to milling device（3）Inside it is passed through cooling gas, and to hollow Carborundum wheel（15）Inside is passed through cooling water, while being adjusted
Temperature,
E：Secondary milling：By the material transportation after fine grinding to screening plant（4）Interior progress feed powder separation, the raw material not refined
Milling device is transported again（3）It is interior to carry out secondary fine grinding,
F：Collect：By the EVA powder refined by surge drum（5）Collect.
2. the production technology that a kind of EVA according to claim 1 is finely milled, it is characterised in that
Temperature temperature adjustment need to keep the temperature of EVA leftover pieces between 0~60 DEG C, preferably between 25~50 DEG C.
3. the production equipment that a kind of EVA according to claim 1 is finely milled, it is characterised in that including frame（6）, cut
Cut device（2）, milling device（3）, screening plant（4）And surge drum（5）, the frame（6）On be fixed with milling device（3）,
The milling device（3）Bottom be provided with screening plant（4）, the screening plant（4）Both sides be respectively and fixedly provided with support screening
Device（4）Auxiliary stand（7）, the milling device（3）Side be provided with cutter device（2）, the screening plant（4）'s
Bottom is provided with surge drum（5）.
4. the production equipment that a kind of EVA according to claim 3 is finely milled, it is characterised in that the cutter device（2）
Including blade（8）And support frame（9）, support frame as described above（9）On be provided with hydraulic cylinder（10）, the hydraulic cylinder（10）Bottom set
It is equipped with motion bar（11）, the motion bar（11）Bottom be connected with portable plate（12）, the portable plate（12）On be provided with knife
Piece（8）, the blade（8）Spacing be 5mm-10mm, the cutter device（2）Bottom be provided through cutter device（2）
Conveyer belt（1）And conveyer belt（1）Extend to milling device（3）Inside.
5. the production equipment that a kind of EVA according to claim 3 is finely milled, it is characterised in that the milling device（3）
Top be provided with cooling gas be passed through mouth（13）, it is described cooling gas be passed through mouth（13）Side be provided with exhaust outlet（14）, it is described
Milling device（3）Be internally provided with Carborundum wheel（15）, the Carborundum wheel（15）Outside be provided with outer casing（16）, institute
State Carborundum wheel（15）Center be provided with the power transmission shaft of synchronous axial system（17）, the power transmission shaft（17）Side be socketed with
Bearing block（18）And pass through bearing block（18）Outer surface, the power transmission shaft（17）Opposite side be provided with servomotor（19）,
The power transmission shaft（17）With Carborundum wheel（15）It is hollow structure.
6. the production equipment that a kind of EVA according to claim 3 is finely milled, it is characterised in that the screening plant（4）
Side be provided with motor（20）, the motor（20）Bottom be provided with thick discharging opening（21）, the thick discharging opening（21）'s
Side is provided with conveying elevator（22）, the conveying elevator（22）One end and conveyer belt（1）Connection, the motor（20）One
Side is provided with rotary shaft（23）, the rotary shaft（23）Both sides up and down be provided with and re-pack（24）, it is described to re-pack（24）It is outer
Side is provided with sieve plate（25）, the rotary shaft（23）Side be provided with pipeline（26）, the pipeline（26）Inner side be provided with
Vavuum pump（27）, the screening plant（4）Bottom be provided with thin discharging opening（28）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710586630.5A CN107214885B (en) | 2017-07-18 | 2017-07-18 | Production process and equipment for EVA fine grinding powder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710586630.5A CN107214885B (en) | 2017-07-18 | 2017-07-18 | Production process and equipment for EVA fine grinding powder |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107214885A true CN107214885A (en) | 2017-09-29 |
| CN107214885B CN107214885B (en) | 2020-07-31 |
Family
ID=59952891
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710586630.5A Active CN107214885B (en) | 2017-07-18 | 2017-07-18 | Production process and equipment for EVA fine grinding powder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107214885B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108381326A (en) * | 2018-02-06 | 2018-08-10 | 西京学院 | A kind of silicon carbide ultrafine powder Preparation equipment |
| CN112776213A (en) * | 2020-12-21 | 2021-05-11 | 哈尔滨盛洋塑胶材料有限公司 | Milling equipment is used in plastic material processing |
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| JPH05125232A (en) * | 1991-11-08 | 1993-05-21 | Mitsubishi Kasei Corp | Production of regrind |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108381326A (en) * | 2018-02-06 | 2018-08-10 | 西京学院 | A kind of silicon carbide ultrafine powder Preparation equipment |
| CN108381326B (en) * | 2018-02-06 | 2019-10-11 | 西京学院 | A kind of silicon carbide ultrafine powder Preparation equipment |
| CN112776213A (en) * | 2020-12-21 | 2021-05-11 | 哈尔滨盛洋塑胶材料有限公司 | Milling equipment is used in plastic material processing |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107214885B (en) | 2020-07-31 |
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Denomination of invention: A kind of production technology of EVA fine grinding powder and its equipment Effective date of registration: 20220818 Granted publication date: 20200731 Pledgee: Zhejiang Pinghu Rural Commercial Bank Co.,Ltd. Guangchen sub branch Pledgor: ZHEJIANG LONGYUAN HIGH POLYMER SCIENCE & TECHNOLOGY Co.,Ltd. Registration number: Y2022330001821 |
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