CN206825725U - The cooling dewatering unit of plastic granulator - Google Patents
The cooling dewatering unit of plastic granulator Download PDFInfo
- Publication number
- CN206825725U CN206825725U CN201720299114.XU CN201720299114U CN206825725U CN 206825725 U CN206825725 U CN 206825725U CN 201720299114 U CN201720299114 U CN 201720299114U CN 206825725 U CN206825725 U CN 206825725U
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- water
- rotating shaft
- trough body
- water trough
- dewatering unit
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- Expired - Fee Related
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- 238000001816 cooling Methods 0.000 title claims abstract description 26
- 239000004033 plastic Substances 0.000 title claims abstract description 22
- 229920003023 plastic Polymers 0.000 title claims abstract description 22
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 111
- 239000000463 material Substances 0.000 claims abstract description 55
- 238000000605 extraction Methods 0.000 claims abstract description 21
- 230000018044 dehydration Effects 0.000 claims description 6
- 238000006297 dehydration reaction Methods 0.000 claims description 6
- 230000005540 biological transmission Effects 0.000 claims description 4
- 229910001220 stainless steel Inorganic materials 0.000 claims description 4
- 239000010935 stainless steel Substances 0.000 claims description 4
- 241000237858 Gastropoda Species 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 238000011109 contamination Methods 0.000 abstract description 5
- 239000002699 waste material Substances 0.000 abstract description 4
- 238000004891 communication Methods 0.000 abstract description 3
- 238000001035 drying Methods 0.000 description 8
- 230000006872 improvement Effects 0.000 description 6
- 238000009833 condensation Methods 0.000 description 4
- 230000005494 condensation Effects 0.000 description 4
- 230000002045 lasting effect Effects 0.000 description 4
- 238000009423 ventilation Methods 0.000 description 4
- 239000004744 fabric Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 229920000742 Cotton Polymers 0.000 description 1
- 206010044565 Tremor Diseases 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 210000005056 cell body Anatomy 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000005453 pelletization Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Landscapes
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
Abstract
The utility model discloses a kind of cooling dewatering unit of plastic granulator; including water trough body; the side that the upper end of water trough body is located at strip-shaped materials removal is provided with preliminary hydro-extraction device, and the front side that the upper end of water trough body is located at preliminary hydro-extraction device is provided with steam retracting device；Preliminary hydro-extraction device includes the rotating shaft being rotationally connected with water trough body, the axis of rotating shaft is vertical with the direction of advance of strip-shaped materials, the both sides of rotating shaft are installed with installing plate, some pressure pins are uniformly provided with along the circumference of rotating shaft between two installing plates, one end of rotating shaft is connected with the power set for driving rotating shaft rotation；Steam retracting device includes the water fender being fixedly arranged in water trough body, and water fender is hollow to offer some through holes connected with cavity formed with cavity, the obstructing surface of water fender, and there is exhaust blower the bottom of water fender by pipeline communication.By using such scheme so that strip-shaped materials are dried faster, moreover it is possible to are reduced the moisture contamination in workshop, avoided the waste of water resource, reduce production cost.
Description
Technical field
It the utility model is related to the cooling dewatering unit of technical field of plastic production, more particularly to plastic granulator.
Background technology
Comminutor is a kind of forming machine that material can be manufactured into given shape.It is widely used in chemical industry, petrochemical industry, system
The fields such as medicine, food, rubber, plastics.
When the material to plastic materials such as PVC is granulated, the material of melting is usually extruded into strip using mould,
Enter water-cooling groove again and carry out water cooling, its hardening is facilitated pelletizing after water cooling.The unavoidable surface of strip-shaped materials after water cooling can adhesion
Moisture, nowadays all it is that material is directly blown using air blower so that the moisture drying of surface of material and further cooling down.Or
Wind is guided to above strip-shaped materials by a pipeline, strip-shaped materials is then aligned with and is blown.
Chinese patent notification number CN204278491U discloses a kind of " plastic granulator device for drying and cooling ", including air-cooled
Drying device and water cooling plant, water cooling plant include bosh, are provided with lower carry-over pinch rolls in bosh front portion, on the notch of rear portion
Provided with upper carry-over pinch rolls, lower carry-over pinch rolls and upper carry-over pinch rolls are rack-mounted on bosh by carry-over pinch rolls, and wind cold drying device includes
Lower groove, cloth bellows, air blower and vertical ventilation duct, vertical ventilation duct are connected with air blower, and lower groove left side wall is fixed on perpendicular
To the top of ventilation duct, the forward and backward side wall of lower groove is provided with breach, and water receiving frid is connected between front side breach and bosh, under
Carry-over pinch rolls are installed, cloth bellows include crescent casing, and tank ends are placed exactly in directly over carry-over pinch rolls, tank ends in cell body
Provided with air outlet, air inlet is provided with the middle part of casing left side wall, air inlet is connected with vertical ventilation duct upper end kink.
Above-mentioned plastic granulator device for drying and cooling is when drying strip-shaped materials, by wind cold drying device to strip-shaped materials
Dried up, after the translational speed of strip-shaped materials is accelerated, only strip-shaped materials can not be carried out very well by wind cold drying device
Dry, and after the moisture on strip-shaped materials is blown back to bosh, have partial moisture and produce vapor, vapor
The moisture contamination in workshop is not only resulted in, can also make it that the water in bosh is fewer and fewer, increase production cost.
Utility model content
The purpose of this utility model is to provide a kind of plastic granulator with preliminary hydro-extraction device and steam retracting device
Cooling dewatering unit.
Above-mentioned technical purpose of the present utility model technical scheme is that：
A kind of cooling dewatering unit of plastic granulator, including water trough body, the upper end of water trough body are located at strip-shaped materials
The side of removal is provided with preliminary hydro-extraction device, and the upper end of the water trough body is located at the front side of preliminary hydro-extraction device provided with steam time
Receiving apparatus；
The preliminary hydro-extraction device includes the rotating shaft being rotationally connected with water trough body, the axis and bar of the rotating shaft
The direction of advance of material is vertical, and the both sides of the rotating shaft are installed with installing plate, between two installing plates along rotating shaft it is circumferential
Even to be provided with some pressure pins, one end of the rotating shaft is connected with the power set for driving rotating shaft rotation；
The steam retracting device includes the water fender being fixedly arranged in water trough body, and hollow formed of the water fender is had time
Chamber, the obstructing surface of the water fender offer some through holes connected with cavity, and the bottom of the water fender passes through pipeline communication
There is exhaust blower.
By using such scheme, when strip-shaped materials pass through from the pressure pin between installing plate, pressure pin rotating shaft from
Turn to continue under driving lift to strip-shaped materials, so that strip-shaped materials carry out lasting shake, in strip-shaped materials
Substantial amounts of moisture on strip-shaped materials can be shaken off during being shaken, so as to which strip-shaped materials have been carried out with preliminary dehydration,
So that strip-shaped materials are dried faster；And vapor caused by the moisture on bosh is dropped down onto from strip-shaped materials last time passes through gear
Water droplet is condensed into after the condensation of water plate to flow back in water trough body again, after opening exhaust blower, can be formed in the cavity of water fender
Negative pressure, it is collected so as to the larger range of vapor by water trough body so that more vapor enter from through hole
Enter and flow back to water trough body again after being condensed into water after cavity, so as to reduce the moisture contamination in workshop, it is thus also avoided that water resource
Waste, reduce production cost.
As it is of the present utility model it is a kind of improve, the power set include motor mount, on the motor mount
Provided with motor, first pulley is connected with the output shaft of the motor, the one end fits of the rotating shaft are connected with the second band
Wheel, transmission belt is connected between the first pulley and the second belt wheel.
By using such scheme, the rotating shaft that can be continued by motor is rotated so that dehydration device is more
Automation.
As it is of the present utility model it is a kind of improve, the front side that the upper end of the water trough body is located at preliminary hydro-extraction device is provided with
Supporting plate.
By using such scheme, supporting plate can play a part of support to strip-shaped materials, prevent strip-shaped materials because of shake
Amplitude excessive cause to disconnect.
As a kind of improvement of the present utility model, the water fender tilts towards dash lateral bend.
By using such scheme, the dash side of water fender can play a part of guiding to the flow direction of vapor,
So that the collection enhanced convenience of vapor.
As a kind of improvement of the present utility model, the bottom of the cavity is provided with water accepting layer.
By using such scheme, the water accepting layer of cavity bottom can improve water vapor condensation Cheng Shui efficiency so that water
The collection enhanced convenience of steam.
As a kind of improvement of the present utility model, some movable rolls, the tank sheet are interval with the water trough body
The both sides that the upper end of body is located at movable roll axial direction are respectively equipped with rotation seat, and worm gear is rotatably connected in the rotation seat, relative
A worm screw is rotatably connected between the rotation seat, is connected between the worm screw and two worm gears, in the worm gear
The heart is threaded with threaded rod, and the bottom of the threaded rod is movably connected on the both ends of movable roll.
By using such scheme, after rotary worm, two worm gears being connected with worm screw can be driven while rotated,
So that the threaded rod in the threaded connection of worm gear center moves up and down, the movable roll of threaded rod bottom is movably connected on also just
Move up and down therewith, it is achieved thereby that the height regulation of movable roll.
As a kind of improvement of the present utility model, the both ends of the movable roll offer the T-shaped link slot in cross section, institute
The bottom for stating threaded rod is provided with the connector coordinated with link slot.
By using such scheme, it is possible to achieve being flexibly connected between threaded rod and movable roll, and install and be also convenient for.
As a kind of improvement of the present utility model, the both ends of the worm screw are respectively equipped with handwheel.
By using such scheme, staff can rotate handwheel in bosh either side so that regulation movable roll
Height enhanced convenience.
As a kind of improvement of the present utility model, the worm gear, worm screw and threaded rod are all made of stainless steel.
By using such scheme, as far as possible worm gear, worm screw and threaded rod can be avoided to get rusty in use, so as to prolong
The service life of equipment is grown.
In summary, the utility model has the advantages that：
1st, the side for being located at strip-shaped materials removal in the upper end of water trough body is provided with preliminary hydro-extraction device, preliminary hydro-extraction device
Including the rotating shaft being rotationally connected with water trough body, the axis of rotating shaft is vertical with the direction of advance of strip-shaped materials, the both sides of rotating shaft
It is installed with installing plate, is uniformly provided with some pressure pins along the circumference of rotating shaft between two installing plates, one end of rotating shaft is connected with drive
The power set of rotating shaft rotation, when strip-shaped materials pass through from the pressure pin between installing plate, pressure pin drives in the rotation of rotating shaft
It is lower lasting strip-shaped materials to be lifted, so that strip-shaped materials carry out lasting shake, trembled in strip-shaped materials
Substantial amounts of moisture on strip-shaped materials can be shaken off in dynamic process, so as to which strip-shaped materials have been carried out with preliminary dehydration so that bar
Shape dry materials are faster；Power set include motor mount, and motor mount is provided with motor, matched somebody with somebody on the output shaft of motor
Conjunction is connected with first pulley, and the one end fits of rotating shaft are connected with the second belt wheel, biography is connected between first pulley and the second belt wheel
Dynamic band, the rotating shaft that can be continued by motor are rotated so that dehydration device more automates；In water trough body
Upper end be located at the front side of preliminary hydro-extraction device and be provided with supporting plate, supporting plate can play a part of support to strip-shaped materials, prevent bar
Shape material causes to disconnect because the amplitude of shake is excessive；
2nd, the front side for being located at preliminary hydro-extraction device in the upper end of water trough body is provided with steam retracting device, steam recovery dress
Put the water fender including being fixedly arranged in water trough body, water fender is hollow formed with cavity, and the obstructing surface of water fender offers some
There is exhaust blower the through hole connected with cavity, the bottom of water fender by pipeline communication, and bosh is dropped down onto from strip-shaped materials last time
On moisture caused by vapor condensed by water fender after be condensed into water droplet and flow back to again in water trough body, open exhaust blower
Afterwards, negative pressure can be formed in the cavity of water fender, is received so as to the larger range of vapor by water trough body
Collection so that water trough body is flowed back to again after being condensed into water after more vapor are from through hole into cavity, so as to reduce workshop
Moisture contamination, it is thus also avoided that the waste of water resource, reduce production cost；Water fender tilts towards dash lateral bend, water fender
Dash side can play a part of guiding to the flow direction of vapor so that the collection enhanced convenience of vapor；In sky
The bottom of chamber is provided with water accepting layer, and water accepting layer can improve water vapor condensation Cheng Shui efficiency so that the collection of vapor is more
It is convenient；
3rd, some movable rolls are interval with water trough body, the upper end of water trough body is located at the both sides point of movable roll axial direction
Not She You rotation seat, be rotatably connected to worm gear in rotation seat, a worm screw, snail be rotatably connected between the relative rotation seat
It is connected between bar and two worm gears, the center of worm gear is threaded with threaded rod, and the bottom of threaded rod is movably connected on work
The both ends of dynamic roller, after rotary worm, two worm gears being connected with worm screw can be driven while rotated, so that in worm gear
The threaded rod of center threaded connection moves up and down, and the movable roll for being movably connected on threaded rod bottom also just moves up and down therewith,
It is achieved thereby that the height regulation of movable roll；The both ends of movable roll offer the T-shaped link slot in cross section, the bottom of threaded rod
Provided with the connector coordinated with link slot, it is possible to achieve being flexibly connected between threaded rod and movable roll, and also side is installed
Just；Handwheel is respectively equipped with the both ends of worm screw, staff can rotate handwheel in bosh either side so that regulation activity
The height enhanced convenience of roller；Worm gear, worm screw and threaded rod are all made of stainless steel, can as far as possible avoid worm gear, worm screw and
Threaded rod gets rusty in use, so as to extend the service life of equipment.
Brief description of the drawings
Fig. 1 is the cooling dewatering unit of plastic granulator；
Fig. 2 is the structural representation of power set；
Fig. 3 is the sectional view of water fender；
Fig. 4 is the scheme of installation of movable roll.
In figure, 1, water trough body；2nd, preliminary hydro-extraction device；201st, rotating shaft；202nd, installing plate；203rd, pressure pin；3rd, steam returns
Receiving apparatus；4th, power set；401st, motor mount；402nd, motor；403rd, first pulley；404th, the second belt wheel；405th, it is driven
Band；5th, water fender；501st, cavity；502nd, through hole；6th, pipeline；7th, exhaust blower；8th, supporting plate；9th, water accepting layer；10th, movable roll；1001、
Link slot；11st, rotation seat；12nd, worm gear；13rd, worm screw；1301st, handwheel；14th, threaded rod；1401st, connector；15th, bearing block.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing.
Embodiment：
Reference picture 1, a kind of cooling dewatering unit of plastic granulator, including water trough body 1, in the upper end of water trough body 1
The side that strip-shaped materials remove is provided with preliminary hydro-extraction device 2, preliminary hydro-extraction device 2 is included installed in water trough body 1
The bearing block 15 of upper end, is rotatably connected to a rotating shaft 201 on bearing block 15, and one is respectively welded in the both sides of rotating shaft 201
Individual installing plate 202, there are four pressure pins 203 along the circumferential uniform welding of rotating shaft 201 between two installing plates 202, rotating shaft 201
One end passes from bearing block 15 and is connected with power set 4.
With reference to Fig. 2, power set 4 include motor mount 401, and motor 402, motor are provided with motor mount 401
First pulley 403 is connected with 402 output shaft, the one end fits of rotating shaft 201 are connected with the second belt wheel 404, first band
It is attached between the belt wheel 404 of wheel 403 and second by transmission belt 405.
The front side for being located at preliminary hydro-extraction device 2 in the upper end of water trough body 1 is also welded with supporting plate 8, and the upper surface of supporting plate 8 is in
Cambered surface.
Reference picture 1 and Fig. 3, the front side that preliminary hydro-extraction device 2 is located in the upper end of water trough body 1 are additionally provided with steam recovery dress
Put 3, steam retracting device 3 includes being bolted to connection the water fender 5 in water trough body 1, and water fender 5 is towards dash lateral bending
Song is obliquely installed, and water fender 5 is hollow formed with cavity 501, and uniformly offers some and cavity in the obstructing surface of water fender 5
The through hole 502 of 501 connections, is connected with exhaust blower 7 by pipeline 6 in the bottom of water fender 5, is also set up in the bottom of cavity 501
There is one layer of water accepting layer 9, water accepting layer 9 is made of sponge or cotton, and water accepting layer 9 is made up of sponge in the present embodiment.
Reference picture 1 and Fig. 4, the side of the input in water trough body 1 positioned at strip-shaped materials are additionally provided with a movable roll
10, the both sides that the axial direction of movable roll 10 is located in the upper end-face edge of water trough body 1 are respectively fixed with a rotation seat 11, in rotation seat
Worm gear 12 is rotatably connected in 11, a worm screw 13, worm screw 13 and two worm gears are also rotatably connected between two rotation seats 11
Coordinate transmission between 12, handwheel 1301 is also respectively welded at the both ends of worm screw 13；Distinguish screw thread at the center of two worm gears 12
A threaded rod 14 is connected with, the both ends of movable roll 10 offer the T-shaped link slot 1001 in cross section, the bottom of threaded rod 14
It is provided with and coordinates the connector 1401 being flexibly connected with link slot 1001, for the service life of extension device, worm gear 12, snail
Bar 13 and threaded rod 14 are all made of stainless steel.
When needing to carry out preliminary hydro-extraction to the strip-shaped materials removed out of bosh, motor 402 can be opened so that
Rotating shaft 201 carries out rotation, and what pressure pin 203 can continue under the rotation of rotating shaft 201 drive lifts to strip-shaped materials, so that
Strip-shaped materials carry out lasting shake, and strip-shaped materials can tremble substantial amounts of moisture on strip-shaped materials during being shaken
Fall, so can be to cause strip-shaped materials to dry faster so that strip-shaped materials have been carried out with preliminary dehydration.
And the moisture shaken off from strip-shaped materials can produce vapor after falling after rise to water trough body 1, vapor flows to
It water droplet is condensed into after on water fender 5 can flow back to again in water trough body 1 and reuse.The dash side of water fender 5 can be fine
The flow direction to vapor play a part of guiding.
After starting exhaust blower 7, negative pressure can also be formed in the cavity 501 of water fender 5, is incited somebody to action so as to larger range of
Vapor in water trough body 1 is collected so that and more vapor are condensed into water after entering cavity 501 from through hole 502,
The water accepting layer 9 of the bottom of cavity 501 can improve water vapor condensation Cheng Shui efficiency so that the collection enhanced convenience of vapor from
And reduce the moisture contamination in workshop, it is thus also avoided that the waste of water resource, reduce production cost.
And when need adjust movable roll 10 height come control strip-shaped materials it is elastic when, can be rotated by handwheel 1301
Worm screw 13, the rotation of worm screw 13 can drive two worm gears 12 to rotate, while cause the spiral shell being threadedly coupled at the center of worm gear 12
Rasp bar 14 carries out movement up or down, so as to driven be movably connected on the movable roll 10 of the bottom of threaded rod 14 also therewith to
Above or move down, it is achieved thereby that the elastic regulation of strip-shaped materials.
This specific embodiment is only that it is not to limitation of the present utility model, ability to explanation of the present utility model
Field technique personnel can make the modification of no creative contribution to the present embodiment as needed after this specification is read, but
As long as all protected in right of the present utility model by Patent Law.
Claims (9)
1. a kind of cooling dewatering unit of plastic granulator, including water trough body（1）, it is characterised in that the water trough body（1）
Upper end be located at strip-shaped materials removal side be provided with preliminary hydro-extraction device（2）, the water trough body（1）Upper end positioned at preliminary
Dehydration device（2）Front side be provided with steam retracting device（3）；
The preliminary hydro-extraction device（2）Including being rotationally connected with water trough body（1）On rotating shaft（201）, the rotating shaft（201）'s
Axis is vertical with the direction of advance of strip-shaped materials, the rotating shaft（201）Both sides be installed with installing plate（202）, two peaces
Loading board（202）Between along rotating shaft（201）Circumference be uniformly provided with some pressure pins（203）, the rotating shaft（201）One end be connected with
Drive rotating shaft（201）The power set of rotation（4）；
The steam retracting device（3）Including the water fender being fixedly arranged in water trough body（5）, the water fender（5）Hollow formation
There is cavity（501）, the water fender（5）Obstructing surface offer some and cavity（501）The through hole of connection（502）, the gear
Water plate（5）Bottom pass through pipeline（6）It is communicated with exhaust blower（7）.
2. the cooling dewatering unit of plastic granulator according to claim 1, it is characterised in that the power set（4）
Including motor mount（401）, the motor mount（401）It is provided with motor（402）, the motor（402）Output shaft
On be connected with first pulley（403）, the rotating shaft（201）One end fits be connected with the second belt wheel（404）, described first
Belt wheel（403）With the second belt wheel（404）Between be connected with transmission belt（405）.
3. the cooling dewatering unit of plastic granulator according to claim 1, it is characterised in that the water trough body（1）
Upper end be located at preliminary hydro-extraction device（2）Front side be provided with supporting plate（8）.
4. the cooling dewatering unit of plastic granulator according to claim 1, it is characterised in that the water fender（5）Court
Dash lateral bend tilts.
5. the cooling dewatering unit of plastic granulator according to claim 1, it is characterised in that the cavity（501）'s
Bottom is provided with water accepting layer（9）.
6. the cooling dewatering unit of plastic granulator according to claim 1, it is characterised in that the water trough body（1）
Inside it is interval with some movable rolls（10）, the water trough body（1）Upper end be located at movable roll（10）The both sides of axial direction are set respectively
There is rotation seat（11）, the rotation seat（11）Inside it is rotatably connected to worm gear（12）, the relative rotation seat（11）Between rotate
It is connected with a worm screw（13）, the worm screw（13）With two worm gears（12）Between be connected, the worm gear（12）Center
It is threaded with threaded rod（14）, the threaded rod（14）Bottom be movably connected on movable roll（10）Both ends.
7. the cooling dewatering unit of plastic granulator according to claim 6, it is characterised in that the movable roll（10）'s
Both ends offer the T-shaped link slot in cross section（1001）, the threaded rod（14）Bottom be provided with and link slot（1001）Match somebody with somebody
The connector of conjunction（1401）.
8. the cooling dewatering unit of plastic granulator according to claim 7, it is characterised in that the worm screw（13）Two
End is respectively equipped with handwheel（1301）.
9. the cooling dewatering unit of plastic granulator according to claim 8, it is characterised in that the worm gear（12）, snail
Bar（13）And threaded rod（14）All it is made of stainless steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720299114.XU CN206825725U (en) | 2017-03-24 | 2017-03-24 | The cooling dewatering unit of plastic granulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720299114.XU CN206825725U (en) | 2017-03-24 | 2017-03-24 | The cooling dewatering unit of plastic granulator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206825725U true CN206825725U (en) | 2018-01-02 |
Family
ID=60767318
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720299114.XU Expired - Fee Related CN206825725U (en) | 2017-03-24 | 2017-03-24 | The cooling dewatering unit of plastic granulator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206825725U (en) |
-
2017
- 2017-03-24 CN CN201720299114.XU patent/CN206825725U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180102 |