CN206868322U - A kind of controllable rubber grain rubber powder preparation facilities of milling gap - Google Patents
A kind of controllable rubber grain rubber powder preparation facilities of milling gap Download PDFInfo
- Publication number
- CN206868322U CN206868322U CN201720762803.XU CN201720762803U CN206868322U CN 206868322 U CN206868322 U CN 206868322U CN 201720762803 U CN201720762803 U CN 201720762803U CN 206868322 U CN206868322 U CN 206868322U
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- supporting plate
- grinding disc
- movable grinding
- removable
- removable supporting
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- 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 utility model is a kind of controllable rubber grain rubber powder preparation facilities of milling gap, including lathe bed, fuel tank is provided with the left of lathe bed, bracket institution is provided with above lathe bed and fuel tank, feeding mechanism, movable grinding disc mechanism and voussoir governor motion, bracket institution includes the first fixed support plate, second fixed support plate, first removable supporting plate and the second removable supporting plate, voussoir governor motion includes voussoir, removable block and fixed stop, movable grinding disc mechanism includes main shaft, main shaft one end is connected with movable grinding disc, the other end of main shaft is connected by second shaft coupling with stepper motor, in the outside of main shaft, cooling jacket is set, cooling jacket cooperatively forms cooling water cavity with movable grinding disc sealing, movable grinding disc below static cutting disk with being provided with rubber powder disposable box.The utility model can prepare the rubber powder of different fineness, and the rubber powder of preparation does not sinter, do not reunited, and quality is good, and precision is high, and preparation efficiency is high, and automaticity is high, and stationarity is good, and method is simple, save cost.
Description
Technical field
A kind of rubber grain rubber powder preparation facilities is the utility model is related to, more particularly to a kind of controllable rubber of milling gap
Glue particle rubber powder preparation facilities.
Background technology
Junked tire is referred to as " black pollution ", and the recovery of junked tire and treatment technology are always global problem,
And the problem of environmental protection；The burial and stacking of junked tire easily cause the pollution of soil and the generation of fire, so anxious
The recycling to junked tire need to be accelerated.
At present, junked tire is broken into particle, then it is to one of main processing ways of junked tire that rubber powder, which is made,；It is useless
Old tire rubber powder can be used to manufacture racing car, the chassis of offroad vehicle as additive, it may also be used for stealth aircraft and concrete material
Preparation.
Rubber tire particles are made into rubber powder method at present has traditional roll-type to grind method, liquid nitrogen freezing and micropowders
Broken method（PAPRA）, traditional roll-type grinds method and grinds rubber powder using the gap between roller, but obtained rubber powder fineness only exists
20-40 mesh, precision is relatively low, and yields poorly, and energy consumption is big；Liquid nitrogen freezing and subtle powder smash method although obtained rubber powder precision compared with
Height, fineness is thinner, but its process is complex, and required cost is higher, pollutes environment, has unfavorable shadow to the health of the producer
Ring.
The content of the invention
To solve the above problems, the utility model, which provides a kind of controllable rubber grain rubber powder of milling gap, prepares dress
Put, the device preparation method is simple, can prepare the rubber powder of different fineness, and rubber powder is not reunited, and is not sintered, and final product quality is high, easily
In collection, prepared by the rubber powder available for all kinds of rubber grains, be not limited to rubber tire particles.
To reach above-mentioned purpose, the utility model is achieved through the following technical solutions：
The utility model is a kind of controllable rubber grain rubber powder preparation facilities of milling gap, including lathe bed, on the left of lathe bed
Fuel tank is provided with, bracket institution, feeding mechanism, movable grinding disc mechanism and voussoir regulation machine are provided with above lathe bed and fuel tank
Structure, bracket institution include the first fixed support plate, the second fixed support plate, the first removable supporting plate and the second removable supporting plate,
First fixed support plate and the second fixed support plate, the first removable supporting plate and the second removable supporting plate be arranged in parallel, and first
Fixed support and the second fixed support plate are bolted connection in the both sides of lathe bed, the first removable supporting plate and second removable
Supporting plate is arranged at the centre of the first fixed support plate and the second fixed support plate, the first removable supporting plate and the second removable support
Plate is connected by first connecting rod with second connecting rod, the first fixed support plate, the second fixed support plate, the first removable supporting plate,
Four guide pillars, four guide pillars and the first fixed support plate and the fastening of the second fixed support plate are symmetrical arranged in second removable supporting plate
Connection, the first removable supporting plate and the second removable supporting plate can move along four guide pillars, and voussoir governor motion includes voussoir, removable
Block and fixed stop, fixed stop are fixedly connected on the second fixed support plate by the second bolt, and removable block passes through company
Bar is connected with the second removable supporting plate, and voussoir is connected with hydraulic cylinder, and feeding mechanism includes feed pipe, and it is solid that feed pipe is arranged at first
Determine the central hole of supporting plate, one end of feed pipe is connected with static cutting disk, and the other end of feed pipe is connected with vertical feeding bucket,
Feed worm is set in feed pipe, forms charging inner chamber with feed pipe, feed worm one end passes through shaft coupling and hydraulic motor phase
Even, movable grinding disc mechanism includes main shaft, and main shaft one end is connected with movable grinding disc, and the other end of main shaft passes through second shaft coupling and stepping electricity
Machine is connected, and main shaft is set cold through the centre bore of the first removable supporting plate and the second removable supporting plate in the outside of the main shaft
But water jacket, movable grinding disc is connected by screw with baffle plate, and is sealed with sealing ring, and cooling jacket passes through the center of baffle plate and sealing ring
Hole, cooling jacket cooperatively form cooling water cavity with movable grinding disc sealing, and movable grinding disc below static cutting disk with being provided with rubber powder disposable box.
Further improvement of the utility model is：The tank of annular is provided with inside the cooling jacket, cooling jacket
Left part is uniformly arranged several shower nozzles, is connected by spray-head interface with annular water tank, and cooling jacket is provided with water inlet and annular water
Groove is connected, and cooling jacket is provided with delivery port, and cooling jacket right-hand member is coordinated with end cap by screw thread, and close provided with the second sealing ring
Envelope.
Further improvement of the utility model is：There is charging aperture at static cutting disk center, is easy to waste tyre particle from center
Into grinding space, movable grinding disc is hollow structure, is easy to the cooling of cooling water.
Further improvement of the utility model is：Movable grinding disc surface is concave spherical surface, and static cutting disk surface is convex spherical, moves mill
The curvature of disk concave spherical surface be less than static cutting disk convex spherical curvature, space is formed between movable grinding disc and static cutting disk, from circle center to
Edge, space is from large to small.
Further improvement of the utility model is：The removable block of cotter mechanism passes through connecting rod and the second removable supporting plate
It is connected, the first removable supporting plate is connected by connecting rod with the second removable supporting plate, and the movement of removable block can drive first and the
Two removable supporting plates move integrally with movable grinding disc mechanism.
Further improvement of the utility model is：Move back and forth, cause removable before and after controlling voussoir by hydraulic cylinder
Block drives movable grinding disc mechanism or so reciprocal micro-displacement so that grinding space is descending periodically, then changes from small to big.
Further improvement of the utility model is：The pulse frequency of stepper motor is controlled by PLC circuit, drives dynamic mill
The regular rotating of disk, realize that the low frequency of movable grinding disc reverses so that movable grinding disc is to the regular torsional pulse of rubber grain.
Further improvement of the utility model is：The lubrication of whole device is completed by hydraulic system fuel feeding.
The beneficial effects of the utility model are：The removable block of cotter mechanism passes through connecting rod and the second removable supporting plate phase
Even, the first removable supporting plate is connected by connecting rod with the second removable supporting plate, and the movement of removable block can drive the first removable branch
Fagging, the second removable supporting plate are moved integrally with movable grinding disc mechanism, and the position of voussoir is controlled by hydraulic cylinder, so as to freely adjust
Gap length between whole movable grinding disc and static cutting disk, the rubber powder of different fineness can be prepared.Before and after hydraulic cylinder control voussoir
Move back and forth, cause removable block to drive movable grinding disc mechanism or so reciprocal micro-displacement, when grinding space from large to small, meet
Lapping principle, grinding efficiency is improved, when grinding space is changed from small to big, be easy to the automatic feed of rubber tire particles and up to system
The rubber powder of detailed degree is automatically fallen into rubber powder disposable box, from circle center to circumferential edges, between movable grinding disc and static cutting disk between
Gap from large to small, is easy to the charging of rubber tire particles, prevents the rubber powder of not up to fineness requirement from being fallen at edge voids, leads to
Supercooled water is cooled down to movable grinding disc, prevents rubber powder from sintering, and the pulse frequency of stepper motor is controlled by PLC circuit, is realized
The low frequency of movable grinding disc reverses so that the regular torsional pulse of movable grinding disc, regular torsional pulse make movable grinding disc to rubber
Impacted when being ground during grain, help to prevent rubber powder from reuniting, it is other to use hydraulic system in addition to movable grinding disc uses driving stepper motor
Driving, automation and the stationarity of device are improved, these enable the utility model to prepare the rubber powder of different fineness, prepare
Rubber powder do not sinter, do not reunite, quality is good, and precision is high, and preparation efficiency is high, and automaticity is high, and stationarity is good, and method is simple,
Save cost.
Brief description of the drawings
Fig. 1 is the controllable rubber grain rubber powder preparation facilities structural representation of the utility model milling gap.
Fig. 2 is the utility model cooling jacket left view.
Fig. 3 is the utility model cooling jacket B-B sectional views.
Fig. 4 is enlarged drawing at the utility model A.
Fig. 5 is the utility model cotter mechanism structural representation.
Fig. 6 is the utility model bracket institution structural representation.
Wherein：1-fuel tank；2-hydraulic motor；3-shaft coupling；4-feed worm；5-feed hopper；6-feed pipe；
7-the first fixed support plate；8-cooling jacket；9-the first removable supporting plate；10-water inlet pipe；11-the second sealing ring；
12-end cap；13-main shaft；14-the second removable supporting plate；15-second shaft coupling；16-stepper motor；17-connecting rod；
18-cotter mechanism；19-the second bolt；20-the second fixed support plate；21-bolt；22-rubber powder disposable box；23-bed
Body；24-spray-head interface；25-delivery port；26-static cutting disk；27-charging aperture；28-movable grinding disc；29-sealing ring；30-gear
Plate；31-screw；32-removable block；33-hydraulic cylinder；34-voussoir, 35-fixed stop；36-the first guide pillar；37-the
Two guide pillars；38-bolt；39-first connecting rod；40-second connecting rod；41-the three guide pillar；42-the four guide pillar.
Embodiment
In order to deepen to understanding of the present utility model, the utility model is made below in conjunction with drawings and examples further
It is described in detail, the embodiment is only used for explaining the utility model, and the scope of protection of the utility model is not formed and limited.
As shown in figures 1 to 6, the utility model is a kind of controllable rubber grain rubber powder preparation facilities of milling gap, including bed
Body 23, the described left side of lathe bed 23 are provided with fuel tank 1, and top is provided with bracket institution, feeding mechanism, rotary bistrique mechanism and voussoir
Governor motion 18, the bracket institution include the first fixed support plate 7, the second fixed support plate 20, the first removable and of supporting plate 9
Second removable supporting plate 14, the fixed support plate 20 of the first fixed support plate 7 and second, the first removable supporting plate 9 and second
Removable supporting plate 14 is be arranged in parallel, and the fixed support plate 20 of the first fixed support plate 7 and second is fastened by bolt 21 to be connected
The both sides of lathe bed 23 are connected to, the first removable 9 and second removable supporting plate 14 of supporting plate is arranged at the He of the first fixed support plate 7
The centre of second fixed support plate 20, the first removable 9 and second removable supporting plate 14 of supporting plate are connected by first connecting rod 39, second
Bar 40 is connected, between the fixed support plate 20 of the first fixed support plate 7 and second, through the described first removable supporting plate 9
Second removable supporting plate 14 is provided with the first guide pillar 36, the second guide pillar 37, the 3rd guide pillar 41 and the 4th guide pillar 42, first is removable
9 and second removable supporting plate 14 of supporting plate moves along the first guide pillar 36, the second guide pillar 37, the 3rd guide pillar 41 and the 4th guide pillar 42,
Four guide pillars are fastenedly connected with the first fixed support plate 7 and the second fixed support plate 20, the cotter mechanism 18 include voussoir 34,
Removable block 32 and fixed stop 35, the fixed stop 35 are fixedly connected on the second fixed support plate 20 by the second bolt 19
On, the removable block 32 is connected by connecting rod 17 with the second removable supporting plate 14, and the voussoir 34 is connected with hydraulic cylinder 33, institute
Stating feeding mechanism includes feed pipe 6, and described feed pipe 6 is arranged at the central hole of the first fixed support plate 7, feed pipe 6
One end is connected with static cutting disk 26, and the other end of feed pipe is connected with vertical feeding bucket 5, and charging spiral shell is set in the feed pipe 6
Bar 4, charging inner chamber is formed with feed pipe 6, described one end of feed worm 4 is connected by shaft coupling 3 with hydraulic motor 2, described
Movable grinding disc mechanism includes main shaft 13, and described one end of main shaft 13 is connected with movable grinding disc 28, and the other end of main shaft 13 passes through the second shaft coupling
Device 15 is connected with stepper motor 16, and the main shaft 13 passes through the centre bore of the first removable 9 and second removable supporting plate 14 of supporting plate,
The movable grinding disc 28 is connected by screw 31 with baffle plate 30, and is sealed with sealing ring 29, and described cooling jacket 8 passes through baffle plate 30
With the centre bore of sealing ring 29, cooling jacket 8 is set in the outside of the main shaft 13, the inside of cooling jacket 8 is provided with annular
Tank, left part is uniformly arranged several shower nozzles, is connected by spray-head interface 24 with annular water tank, and right part passes through with end cap 12
Screw thread coordinates, and is sealed provided with sealing ring 11, and described cooling jacket 8 is connected provided with water inlet 10 with annular water tank, described cold
But water jacket is provided with delivery port 25, and the cooling jacket 8 cooperatively forms cooling water cavity, described static cutting disk 26 with the sealing of movable grinding disc 28
Provided with central feeding mouth 27, it is easy to rubber tire particles to enter grinding space from center, its surface is convex spherical, described dynamic mill
Disk 28 is hollow structure, is easy to the cooling of cooling water, and its surface is concave spherical surface, and the curvature of movable grinding disc concave spherical surface is convex less than static cutting disk
The curvature of sphere, described movable grinding disc 28 among static cutting disk 26 with leaving certain gap, from circle center to circumferential edges,
Gap is gradually reduced, and the lower section of movable grinding disc 28 and static cutting disk 26 sets rubber powder disposable box, and the lubrication of whole device is by hydraulic system
Fuel feeding is completed.
The controllable specific application method of rubber grain rubber powder preparation facilities of milling gap provided by the utility model is：Open
The hydraulic system switch of dynamic device, it is different according to the required fineness for preparing rubber powder, voussoir governor motion is adjusted by hydraulic cylinder 33
The original position of voussoir 34 in 18, mobile first removable 9 and second removable supporting plate 14 of supporting plate, makes removable block 32 and voussoir
34 are close to, and determine the initial clearance between movable grinding disc 28 and static cutting disk 26；Starting hydraulic motor 2, driving feed worm 4 rotates,
Start stepper motor 16, driving movable grinding disc 28 rotates, and opens water inlet pipe and outlet pipe, cooling water is from water inlet 10 through annular water
Groove, it is ejected into by shower nozzle into taper in rotary bistrique 28, cools down rotary bistrique 28, then flow out through delivery port 25.It is put into from feed hopper 5
Rubber tire particles, under the rotation conveying of feed worm 4, rubber tire particles are transported to static cutting disk 26 and movable grinding disc 28
Between space, by the grinding of movable grinding disc 28 and static cutting disk 26；In process of lapping, by past before and after the driving voussoir 34 of hydraulic cylinder 33
Multiple motion so that removable block 32 drives the first removable supporting plate 9, the second removable supporting plate 14 and movable grinding disc mechanism that left and right occurs
Reciprocal micro-displacement, the space formed between movable grinding disc 28 and static cutting disk 26 are periodically changed from small to big, then from large to small,
Space from large to small during, rubber tire particles are expeditiously ground into rubber powder by mill, during changing from small to big,
It is easy to rubber grain to enter from the charging aperture 27 of static cutting disk 26 in grinding space, also allows for having reached the rubber powder of fineness from mill side
Fallen into the gap of edge in the rubber powder disposable box 22 of lower section, so circulation, continuous feed can be achieved and expeditiously by rubber wheel
Tire particulate abrasive is into powder；Meanwhile the pulse frequency of stepper motor 16 is set by PLC control circuits, drive stepper motor 16
28 regular rotating of movable grinding disc, realize that the low frequency of movable grinding disc 28 reverses, make movable grinding disc 28 to the regular torsion of rubber grain
Turning impact, regular torsional pulse helps to prevent that rubber powder is reunited in process of lapping, after the completion of grinding, shutoff device electricity
Source.Because the utility model uses the automatic feed of feed worm 4, the space between movable grinding disc 28 and static cutting disk 26 is from circle center
It is gradually reduced to circumferential edges, the space that voussoir governor motion 18 can be automatically controlled between movable grinding disc 28 and static cutting disk 26 is big
It is small so that rubber tire particles can successfully automatic feed, will not result in blockage, meet lapping principle, can be expeditiously
Rubber powder is made in waste tyre particle, and drives the low frequency of movable grinding disc 28 to reverse and to the cold of movable grinding disc 28 by stepper motor 16
But so that manufactured rubber powder quality is higher, does not sinter, does not reunite, and precision is higher, in addition except movable grinding disc 28 uses stepper motor 16
Driving is outer, other to be driven using hydraulic system, improves automation of the present utility model and stationarity.
Claims (6)
1. a kind of controllable rubber grain rubber powder preparation facilities of milling gap, including lathe bed（23）, described lathe bed（23）Left side
It is provided with fuel tank（1）, in the lathe bed（23）With the fuel tank（1）Top be provided with bracket institution, feeding mechanism, movable grinding disc
Mechanism and voussoir governor motion（18）, it is characterised in that：The bracket institution includes the first fixed support plate（7）, second fix
Supporting plate（20）, the first removable supporting plate（9）With the second removable supporting plate（14）, first fixed support plate（7）With second
Fixed support plate（20）, the first removable supporting plate（9）With the second removable supporting plate（14）It is arranged in parallel, described first fixes branch
Fagging（7）With the second fixed support plate（20）Pass through bolt（21）It is fastenedly connected in the lathe bed（23）Both sides, described
One removable supporting plate（9）With the second removable supporting plate（14）It is arranged at the first fixed support plate（7）With the second fixed support plate
（20）Centre, the first removable supporting plate（9）With the second removable supporting plate（14）Pass through first connecting rod（39）And second connecting rod（40）
It is connected, in first fixed support plate（7）With the second fixed support plate（20）Between, through the described first removable supporting plate
（9）With the second removable supporting plate（14）It is provided with the first guide pillar（36）, the second guide pillar（37）, the 3rd guide pillar（41）With the 4th guide pillar
（42）, the first removable supporting plate（9）With the second removable supporting plate（14）Along the first guide pillar（36）, the second guide pillar（37）, the 3rd lead
Post（41）With the 4th guide pillar（42）It is mobile, the voussoir governor motion（18）Including voussoir（34）, removable block（32）And fixation
Block（35）, the fixed stop（35）Pass through the second bolt（19）It is fixedly connected on the second fixed support plate（20）On, it is described
Removable block（32）Pass through connecting rod（17）With the second removable supporting plate（14）It is connected, the voussoir（34）With hydraulic cylinder（33）Phase
Even, the feeding mechanism includes feed pipe（6）, the feed pipe（6）It is arranged at the first fixed support plate（7）Central hole,
Feed pipe（6）One end and static cutting disk（26）It is connected, feed pipe（6）The other end and vertical feeding bucket（5）Be connected, it is described enter
Expects pipe（6）Interior setting feed worm（4）, with feed pipe（6）Form charging inner chamber, the feed worm（4）One end passes through shaft coupling
Device（3）With hydraulic motor（2）It is connected, the movable grinding disc mechanism includes main shaft（13）, the main shaft（13）One end and movable grinding disc
（28）It is connected, the main shaft（13）The other end pass through second shaft coupling（15）With stepper motor（16）It is connected, the main shaft
（13）Through the first removable supporting plate（9）With the second removable supporting plate（14）Centre bore, in the main shaft（13）Outside set
Put cooling jacket（8）, the movable grinding disc（28）Pass through screw（31）With baffle plate（30）It is connected, and uses sealing ring（29）Sealing, institute
State cooling jacket（8）Through baffle plate（30）With sealing ring（29）Centre bore, the cooling jacket（8）With movable grinding disc（28）Sealing
Cooperatively form cooling water cavity, the movable grinding disc（28）With static cutting disk（26）Lower section is provided with rubber powder disposable box（22）, voussoir regulation
Mechanism（18）Removable block（32）The first removable supporting plate of mobile drive（9）, the second removable supporting plate（14）With movable grinding disc
Mechanism moves integrally, and passes through hydraulic cylinder（33）Control voussoir（34）Front and rear move back and forth cause removable block（32）Drive dynamic
The reciprocal micro-displacement of disc-grinding mechanism or so so that grinding space is descending periodically, then changes from small to big.
A kind of 2. controllable rubber grain rubber powder preparation facilities of milling gap according to claim 1, it is characterised in that：It is described
Cooling jacket（8）Inside is provided with the tank of annular, the cooling jacket（8）Left part be uniformly arranged several shower nozzles, pass through spray
Head interface（24）It is connected with annular water tank, the cooling jacket（8）Provided with water inlet（10）It is connected with annular water tank, the cooling
Water jacket（8）Provided with delivery port（25）, the cooling jacket（8）Right-hand member and end cap（12）Coordinated by screw thread, and it is close provided with second
Seal（11）Sealing.
A kind of 3. controllable rubber grain rubber powder preparation facilities of milling gap according to claim 1, it is characterised in that：It is described
Static cutting disk（26）There is charging aperture at center（27）, movable grinding disc（28）For hollow structure.
A kind of 4. controllable rubber grain rubber powder preparation facilities of milling gap according to claim 1, it is characterised in that：It is described
Movable grinding disc（28）Surface is concave spherical surface, the static cutting disk（26）Surface is convex spherical, movable grinding disc（28）The curvature of concave spherical surface is less than
Static cutting disk（26）The curvature of convex spherical, movable grinding disc（28）With static cutting disk（26）Between form space, from circle center to edge,
Space is from large to small.
A kind of 5. controllable rubber grain rubber powder preparation facilities of milling gap according to claim 1, it is characterised in that：Stepping
Motor（16）Pulse frequency controlled by PLC circuit, stepper motor（16）Drive movable grinding disc（28）Regular rotating, it is real
Existing movable grinding disc（28）Low frequency reverse so that movable grinding disc is to the regular torsional pulse of rubber grain.
A kind of 6. controllable rubber grain rubber powder preparation facilities of milling gap according to claim 1, it is characterised in that：It is whole
The lubrication of individual device is completed by hydraulic system fuel feeding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720762803.XU CN206868322U (en) | 2017-06-28 | 2017-06-28 | A kind of controllable rubber grain rubber powder preparation facilities of milling gap |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720762803.XU CN206868322U (en) | 2017-06-28 | 2017-06-28 | A kind of controllable rubber grain rubber powder preparation facilities of milling gap |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206868322U true CN206868322U (en) | 2018-01-12 |
Family
ID=61332037
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720762803.XU Withdrawn - After Issue CN206868322U (en) | 2017-06-28 | 2017-06-28 | A kind of controllable rubber grain rubber powder preparation facilities of milling gap |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206868322U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107115928A (en) * | 2017-06-28 | 2017-09-01 | 南京工程学院 | A kind of controllable rubber grain rubber powder preparation facilities of milling gap |
-
2017
- 2017-06-28 CN CN201720762803.XU patent/CN206868322U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107115928A (en) * | 2017-06-28 | 2017-09-01 | 南京工程学院 | A kind of controllable rubber grain rubber powder preparation facilities of milling gap |
| CN107115928B (en) * | 2017-06-28 | 2019-04-02 | 南京工程学院 | A kind of rubber grain rubber powder preparation facilities that milling gap is controllable |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20180112 Effective date of abandoning: 20190402 |
|
| AV01 | Patent right actively abandoned |