CN208164146U - PVC roll material production equipment - Google Patents
PVC roll material production equipment Download PDFInfo
- Publication number
- CN208164146U CN208164146U CN201820396488.8U CN201820396488U CN208164146U CN 208164146 U CN208164146 U CN 208164146U CN 201820396488 U CN201820396488 U CN 201820396488U CN 208164146 U CN208164146 U CN 208164146U
- Authority
- CN
- China
- Prior art keywords
- breaker roll
- production equipment
- cover
- roll
- roller
- 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.)
- Expired - Fee Related
Links
Classifications
-
- 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
- Y02W30/52—Mechanical processing of waste for the recovery of materials, e.g. crushing, shredding, separation or disassembly
-
- 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
Landscapes
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The utility model discloses a kind of PVC roll material production equipments, its key points of the technical solution are that：Including screw extruder, calender, feed inlet and discharge port are offered on screw extruder；Calender includes rack, pressure roller group and conveying roller；It is provided with straight-bar in rack, is provided with edger blade on straight-bar, further includes material collecting device, material collecting device includes cover and broken roller group, offers waste material import and waste outlet on cover；Broken roller group includes the first breaker roll, the second breaker roll and actuator, and the first breaker roll and the second breaker roll are symmetrically rotatably connected on inside cover；Actuator improves the degree of automation of the production equipment to a certain extent, reduces the labor intensity when production equipment uses for driving the first breaker roll and the rotation of the second breaker roll opposite direction, material collecting device that can be collected, be crushed to waste material automatically.The production equipment can be used in producing cold-resistant PVC sheet material, antistatic PVC sheet etc..
Description
Technical field
The utility model relates to PVC production equipment technology, in particular to a kind of PVC roll material production equipment.
Background technique
Currently, the Chinese patent that notification number is CN202922990U disclose a kind of TPO, PVC, PE, EVA, ECB reinforcement,
Adhesive waterproof coil apparatus for production line, it includes the feeding device being sequentially connected, screw extruder, three roller extruders and conveying
Device.
When being produced using the apparatus for production line, raw material are put by screw extruder by feeding device first
Inside, then screw extruder heat and squeeze out the raw material after heating and softening to three roller extruders to raw material
On, the raw material of melting are squeezed into flake using three roller extruders later and three roller extruders are transported out of by conveying device.
Automatic cutting device is provided in the conveying device, automatic cutting device has independent control power transmission motor, by motor
Active force drives two edger blade operatings by shaft coupling, cuts to coiled material, for coiled material to be cut to prescribed level.
The waste material generated is cut to fall on ground, the later period by worker's centralized collection, shred after, put into screw extruder for carrying out
It produces again.But this process automation degree is lower, and labor intensity is larger.
Utility model content
In view of the deficienciess of the prior art, the purpose of this utility model is to provide a kind of PVC roll material production equipment,
It is higher with the degree of automation, the small advantage of labor intensity.
The above-mentioned technical purpose of the utility model technical scheme is that：A kind of PVC roll material production
Equipment offers feed inlet and discharge port on the screw extruder including screw extruder, the calender being sequentially connected；
The calender includes rack, rotation connection pressure roller group on the rack and conveying roller；Be additionally provided in the rack with it is defeated
Expect the parallel straight-bar of roller, be provided with the edger blade to offset with conveying roller lateral wall on the straight-bar, further includes rewinding dress
It sets, the material collecting device includes cover and broken roller group, offers waste material import and waste outlet on the cover；It is described
Broken roller group includes the first breaker roll, the second breaker roll and actuator, and the first breaker roll and the second breaker roll symmetrically rotate
It is connected to inside cover, and there are crushing gaps between the first breaker roll and the second breaker roll；The actuator is for driving
First breaker roll and the rotation of the second breaker roll opposite direction.
Through the above technical solutions, raw material are put into screw extruder from entrance when using the production equipment
Inside, screw extruder carries out heating to raw material and the raw material of heating and melting is discharged from discharge outlet later.From discharging
The raw material that mouth goes out discharge drop down on calender, then control pressure roller group and squeeze raw material, so that raw material are squeezed into
Flake.Later by control conveying roller rotation for being transported to the raw material after extruding.Former material is driven in conveying roller
Material carry out it is mobile during, cutting cutter and the starting material in conveying roller surface simultaneously cut raw material.Later
The waste material of clipped generation is put between the first breaker roll and the second breaker roll by waste material import, then passes through actuator
Control the first breaker roll and the rotation of the second breaker roll opposite direction.Waste material is crushed by the first breaker roll and the second breaker roll to fragmentate
Shape, the waste material of fragment shape is discharged at waste outlet under self gravitation effect later.So there is no need to workers to collect manually
Waste material simultaneously shreds waste material, improves the degree of automation of the production equipment, and the labour used for reducing the production equipment is strong
Degree.
Preferably, the actuator includes the driving electricity for being arranged on cover outer wall and being rotatedly connected with the first breaker roll
Machine, coaxially connected engages first gear of the key connection in driving motor output shaft on the second breaker roll and with first gear
Second gear.
Through the above technical solutions, control driving motor is opened when needing to be crushed waste material, driving motor output
Axis drives the rotation of the first breaker roll.At the same time, first gear of the key connection in driving motor output shaft drives second gear
It is rotated, and second gear drives direction opposite with the rotation direction of first gear.Second gear drives the second breaker roll to turn
It is dynamic, and the rotation direction of the second breaker roll is identical as the rotation direction of second gear.A driving motor is only needed in this way
The first breaker roll and the second breaker roll is driven to rotate, so that the use process of the production equipment becomes more energy-saving and environmental protection.
Preferably, the waste material entrance is rotatably connected to the first feed roller and the second feed roller, and the first feed roller
And second feed roller in up and down it is symmetrical, be provided on the cover the first force piece being connected with the first feed roller, and
The second connected force piece of second feed roller.
Through the above technical solutions, passing through the first charging of the first force piece driving during being crushed to waste material
Roller is rotated, and is controlled the second feed roller by the second force piece and is rotated.The angle of rotation speed of the first feed roller is controlled simultaneously
Spend, the rotation direction phase of the rotation direction of first feed roller and second feed roller identical as the rotational angular velocity of the second feed roller
Together.During the first rotating roller and the second rotating roller opposite direction rotate, the first rotating roller and the second rotating roller are by waste material
It is pulled to inside cover, to guarantee that material collecting device can persistently be collected waste material, be crushed.
Preferably, rubber pad is coated on first feed roller and the second feed roller lateral wall.
Through the above technical solutions, the coefficient of friction between rubber pad and waste material is larger, in this way by rotation first into
Material roller and the second feed roller are for during pulling waste material to enter basket, waste material to be not easy and the first rotating roller and the second roller
Between skid, waste material is faster entered in basket, improve to a certain extent the material collecting device to waste material receive
Collection, broken efficiency.
Preferably, feed pipe is connected at the waste outlet, and feed pipe is connected far from the end of cover with feed inlet
It is logical.
Through the above technical solutions, the waste material after broken can be by entering directly into screw extruder from feed pipe
Portion, so there is no need to workers to carry manually to broken waste material, when reducing production equipment use to a certain extent
Labor intensity.
Preferably, the cover is internally provided with the blower for blowing to waste outlet side.
Through the above technical solutions, blower is blown to waste outlet side, enable it is broken after waste material faster into
Enter to inside screw extruder.
Preferably, it is provided with link block on the straight-bar side wall, the connection passed through for waste material is offered on the link block
Hole.
Through the above technical solutions, control waste material is passed through from connecting hole, connecting hole inner hole wall can offset simultaneously with waste material
Barrier effect is played to waste material, shakes and rubs with the PVC sheet completed is cut so that waste material generates under a stretching force,
It ensure that the surface smoothness for the PVC sheet that the production equipment is produced to a certain extent.
Preferably, polytetrafluoroethylene ethylene layer is coated at the connecting hole inner hole wall.
Through the above technical solutions, polytetrafluoroethylene (PTFE) has the characteristics that antiacid alkali resistant, resists various organic solvents, it is almost insoluble
In all solvents.Meanwhile the coefficient of friction of polytetrafluoroethylene (PTFE) is extremely low, can make lubricating action.It is coated at connecting hole inner hole wall
Polytetrafluoroethylene ethylene layer, in this way when relative displacement occurs for waste material and connecting hole inner hole wall, waste material is not easy to break.Such material collecting device
Persistently waste material can be collected, be crushed.
In conclusion the utility model having the beneficial effect that in contrast to the prior art：
1, material collecting device can automatically be collected waste material, be crushed, and improve the production equipment oneself to a certain extent
Dynamicization degree reduces the labor intensity when production equipment uses；
2, after material collecting device is collected waste material, is broken, waste material is sent to screw extruder by feed pipe,
The service efficiency of raw material is improved to a certain extent.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of embodiment, is mainly used for showing the contour structures of embodiment；
Fig. 2 is the structural schematic diagram of calender, is mainly used for showing the profile mechanism of calender；
Fig. 3 is the portion the A enlarged drawing of Fig. 2；
Fig. 4 is the structural schematic diagram of material collecting device, is mainly used for showing the contour structures of material collecting device；
Fig. 5 is the schematic cross-sectional view of material collecting device, is mainly used for showing the composition situation of material collecting device.
Appended drawing reference：1, screw extruder；2, calender；21, rack；22, pressure roller group；221, the first pressure roller；222,
Two pressure rollers；23, conveying roller；3, feed inlet；4, discharge port；5, straight-bar；6, edger blade；7, material collecting device；71, cover；72, it breaks
Broken roller group；721, the first breaker roll；722, the second breaker roll；723, actuator；7231, driving motor；7232, first gear；
7233, second gear；8, waste material import；9, waste outlet；10, the first feed roller；11, the second feed roller；12, the first power
Part；13, the second force piece；14, rubber pad；15, feed pipe；16, blower；17, link block；18, connecting hole；19, polytetrafluoroethyl-ne
Alkene layer.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing.
A kind of PVC roll material production equipment, as shown in Figure 1, including screw extruder 1 and calender 2.Screw extruder 1
For by raw material heating and melting.Screw extruder offers feed inlet 3 on 1 top, and screw extruder is provided with out on 1 one end
Material mouth 4.When using screw extruder 1, raw material are put into via feed inlet 3 to screw extruder 1, screw rod squeezes later
The raw material of 1 pair of inside of machine heat and the raw material of heating and melting are discharged from discharge port 4 out.
As shown in Figure 1 and Figure 2, calender 2 includes rack 21, pressure roller group 22 and conveying roller 23.Rack 21 is placed in screw rod
1 adjacent of extruder, and the discharge port 4 of rack 21 and screw extruder 1 is opposite.The number at least two of pressure roller group 22 and
It is even to be distributed in rack 21.Pressure roller group 22 includes the first pressure roller 221 and the second pressure roller 222 being rotatably connected in rack 21,
And first there are top clearances between pressure roller 221 and the second pressure roller 222.The number of conveying roller 23 is at least one, and conveying roller
23 length direction is parallel with the length direction of the first pressure roller 221.Conveying roller 23 passes through the motor band being arranged in rack 21
It is dynamic.
As shown in Figure 2 and Figure 3, straight-bar 5 is additionally provided in rack 21, the length direction of straight-bar 5 is parallel with conveying roller 23,
And straight-bar 5 is located at 23 top of conveying roller.There are two edger blades 6 for setting on straight-bar 5, and two edger blades 6 are with the weight of straight-bar 5
The heart is symmetric for center of gravity.Edger blade 6 extends towards 23 side of conveying roller and offsets with 23 lateral wall of conveying roller.Straight-bar
Link block 17 is provided on 5 one end, and link block 17 is radially extended along straight-bar 5.Connecting hole 18 is equipped on link block 17, and even
The length direction for connecing the length direction and straight-bar 5 in hole 18 is perpendicular.Polytetrafluoroethylene ethylene layer 19 is coated on 18 inner hole wall of connecting hole,
Polytetrafluoroethylene (PTFE) be as tetrafluoroethene it is aggregated made of high-molecular compound, have excellent chemical stability, corrosion resistance,
Also there is high leakproofness, high lubrication and non-stickiness simultaneously.
As shown in Figure 1, shown in Figure 5, PVC roll material production equipment further includes material collecting device 7, and material collecting device 7 is abutted with rack 21.It receives
Expect that device 7 includes cover 71 and broken roller group 72.
As shown in Figure 4, Figure 5, waste material import 8 and waste outlet 9 are offered on cover 71.The company of rotation at waste material import 8
It is connected to the first feed roller 10 and the second feed roller 11, and the first feed roller 10 and the second feed roller 11 are in symmetrical above and below point
Be coated with rubber pad 14 on the lateral wall of cloth, the first feed roller 10 and the second feed roller 11, and the first feed roller 10 and
There are charging gaps between second feed roller 11.Cover 71 is internally provided with the first force piece 12, the first force piece 12 and
One feed roller 10 is connected and for driving the rotation of the first feed roller 10.First force piece 12 in the present embodiment can be using electricity
Machine.It is additionally provided with the second force piece 13 inside cover 71, the second force piece 13 is connected with the second feed roller 11 and for driving the
Two feed rollers 11 are rotated around self-axis line.Second force piece 13 can select motor in the present embodiment.
As shown in Figure 1, shown in Figure 5, waste outlet 9 extends along vertically downward direction.Blower 16, blower are installed inside cover 71
16 air outlet is towards 9 side of waste outlet, and blower 16 is used for 9 one side air-out of waste outlet.It is connected at waste outlet 9
Feed pipe 15, and end of the feed pipe 15 far from cover 71 is connected with the feed inlet 3 on screw extruder 1.
As shown in Figure 4, Figure 5, being crushed roller group 72 includes the first breaker roll 721, the second breaker roll 722 and actuator 723.
First breaker roll 721 and the second breaker roll 722 are rotatably connected on inside cover 71, and the first breaker roll 721 and second is broken
Roller 722 is parallel to each other, and there are crushing gaps between the first breaker roll 721 and the second breaker roll 722.Actuator 723 is for driving
Dynamic first breaker roll 721 and the opposite rotation of the second breaker roll 722.
Actuator 723 includes driving motor 7231, first gear 7232 and second gear 7233.Driving motor 7231 is pacified
On lateral wall loaded on cover 71, and the output shaft of driving motor 7231 is through cover 71 and coaxial with the first breaker roll 721
It is connected.First gear 7232 is keyed on 7231 output shaft of driving motor, and the center line of first gear 7232 and driving electricity
The axial line of 7231 output shaft of machine coincides.Second gear 7233 with the second breaker roll 722 is coaxial is connected, and the second breaker roll
722 are located at 71 outside of cover and are meshed with first gear 7232.
Specific use process is as follows for material collecting device 7：Two sanctions when 23 material of conveying roller is transported, on straight-bar 5
Side blade 6 cuts the two sides of material.Then the waste material that control is cut is passed through from connecting hole 18, then by waste material
It is placed between the first feed roller 10 and the second feed roller 11.The first force piece 12 is controlled at this time and the second force piece 13 is opened
It opens, so that the first feed roller 10 and the opposite rotation of the second feed roller 11, and waste material continues to move towards inside cover 71.When useless
When material is contacted with the first breaker roll 721 and the second breaker roll 722, control driving motor 7231 is opened, 7231 band of driving motor
Dynamic first breaker roll 721 rotation.At the same time, 7231 output shaft of driving motor drives first gear 7232 to rotate, and the first tooth
The rotation direction of wheel 7232 is identical as the output rotational axis direction of driving motor 7231, and first gear 7232 passes through second gear 7233
Rotation, and the rotation direction of second gear 7233 is opposite with the rotation direction of first gear 7232.Second gear 7233 drives the
Sledging roller 722 rotates, and the rotation direction of the second breaker roll 722 is opposite with the rotation direction of second gear 7233.First is broken
Waste material is crushed by broken roller 721 and the second breaker roll 722 to fragmentate.Waste material after broken enters under the blowing of blower 16
Inside feed pipe 15, and entered inside screw extruder 1 via feed pipe 15 and feed inlet 3.
The above is only the exemplary embodiment of the utility model, the protection model rather than limited the present invention
It encloses, the protection scope of the utility model is determined by the attached claims.
Claims (8)
1. a kind of PVC roll material production equipment, including screw extruder (1), the calender (2) being sequentially connected, the Screw Extrusion
Feed inlet (3) and discharge port (4) are offered on machine (1)；The calender (2) includes rack (21), is rotatably connected on rack
(21) pressure roller group (22) and conveying roller (23) on；It is additionally provided on the rack (21) parallel with conveying roller (23) straight
Bar (5) is provided with the edger blade (6) to offset with conveying roller (23) lateral wall on the straight-bar (5), it is characterized in that：Also wrap
It includes material collecting device (7), the material collecting device (7) includes cover (71) and broken roller group (72), is opened up on the cover (71)
There are waste material import (8) and waste outlet (9)；The broken roller group (72) includes the first breaker roll (721), the second breaker roll
(722) and actuator (723), the first breaker roll (721) and the second breaker roll (722) are symmetrically rotatably connected on cover (71)
Inside, and there are crushing gaps between the first breaker roll (721) and the second breaker roll (722)；The actuator (723) is used for
Drive the first breaker roll (721) and the opposite rotation of the second breaker roll (722).
2. PVC roll material production equipment according to claim 1, it is characterized in that：The actuator (723) includes being arranged in cover
The driving motor (7231) that is rotatedly connected on body (71) outer wall and with the first breaker roll (721), key connection are in driving motor
(7231) first gear on output shaft (7232), it is coaxially connected on the second breaker roll (722) and with first gear (7232)
The second gear (7233) of engagement.
3. PVC roll material production equipment according to claim 1, it is characterized in that：It is rotatably connected at the waste material import (8)
First feed roller (10) and the second feed roller (11), and the first feed roller (10) and the second feed roller (11) are in symmetrical above and below
It is distributed, the first force piece (12) being connected with the first feed roller (10) and the second feed roller is provided on the cover (71)
(11) connected the second force piece (13).
4. PVC roll material production equipment according to claim 3, it is characterized in that：First feed roller (10) and second
Rubber pad (14) are coated on feed roller (11) lateral wall.
5. PVC roll material production equipment according to claim 1, it is characterized in that：Feeding is connected at the waste outlet (9)
It manages (15), and feed pipe (15) is connected far from the end of cover (71) with feed inlet (3).
6. PVC roll material production equipment according to claim 1, it is characterized in that：The cover (71), which is internally provided with, to be used for
The blower (16) blown to waste outlet (9) side.
7. PVC roll material production equipment according to claim 1, it is characterized in that：Connection is provided on straight-bar (5) side wall
Block (17) offers the connecting hole (18) passed through for waste material on the link block (17).
8. PVC roll material production equipment according to claim 7, it is characterized in that：It is coated at connecting hole (18) inner hole wall
There are polytetrafluoroethylene ethylene layer (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820396488.8U CN208164146U (en) | 2018-03-22 | 2018-03-22 | PVC roll material production equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820396488.8U CN208164146U (en) | 2018-03-22 | 2018-03-22 | PVC roll material production equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208164146U true CN208164146U (en) | 2018-11-30 |
Family
ID=64375680
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820396488.8U Expired - Fee Related CN208164146U (en) | 2018-03-22 | 2018-03-22 | PVC roll material production equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208164146U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111716617A (en) * | 2020-06-29 | 2020-09-29 | 安徽普瑞康医药包装科技有限公司 | A extend pressure forming device for capsule packaging polyvinyl chloride resin |
| CN112536936A (en) * | 2020-11-12 | 2021-03-23 | 徐国军 | Waste plastic recovery processing system and method |
| CN116198060A (en) * | 2023-05-06 | 2023-06-02 | 泰州林峰户外用品有限公司 | Crushing device with self-cleaning function for producing polyethylene child seat cushion |
-
2018
- 2018-03-22 CN CN201820396488.8U patent/CN208164146U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111716617A (en) * | 2020-06-29 | 2020-09-29 | 安徽普瑞康医药包装科技有限公司 | A extend pressure forming device for capsule packaging polyvinyl chloride resin |
| CN112536936A (en) * | 2020-11-12 | 2021-03-23 | 徐国军 | Waste plastic recovery processing system and method |
| CN116198060A (en) * | 2023-05-06 | 2023-06-02 | 泰州林峰户外用品有限公司 | Crushing device with self-cleaning function for producing polyethylene child seat cushion |
| CN116198060B (en) * | 2023-05-06 | 2023-09-15 | 泰州林峰户外用品有限公司 | Crushing device with self-cleaning function for producing polyethylene child seat cushion |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN208164146U (en) | PVC roll material production equipment | |
| CN110497561B (en) | Woven bag recycling treatment system | |
| CN204712312U (en) | rubber crushing device | |
| CN109229676B (en) | Waste fungus bag processing device for edible fungus production | |
| CN211941595U (en) | Production line convenient to steep cotton waste recovery granulation | |
| CN104910992A (en) | Biomass particle forming system | |
| CN207749364U (en) | A kind of toilet paper web machine | |
| CN112078058B (en) | Broken wall cleaning integrated equipment for plastic product recovery | |
| CN108004601A (en) | A kind of textile manufacturing processes | |
| CN115366292B (en) | Batching device for plastic woven bags | |
| CN202721965U (en) | Drip tape recycling machine | |
| CN210008519U (en) | Straw secondary crushing extrusion bulking machine | |
| CN207548899U (en) | A kind of textile cloth cuts workbench | |
| CN208164342U (en) | PVC roll material production equipment | |
| CN211138109U (en) | Film blowing machine with waste cutting and recycling device | |
| CN208867374U (en) | A kind of pellet device for engineering plastics production | |
| CN209173986U (en) | A kind of environmentally friendly plastic tube crushing plant | |
| CN206217019U (en) | A kind of feeding back device of calender | |
| CN104418006B (en) | A kind of transporter of the rock wool fibers of improvement | |
| CN219766346U (en) | Non-woven fabrics waste recovery equipment | |
| CN217670494U (en) | Crushing equipment for foam recovery | |
| CN215550142U (en) | Waste recovery device for calender | |
| CN112772161A (en) | Rice straw reducing mechanism | |
| CN213617019U (en) | Divide strip machine with dust absorption function | |
| CN212045509U (en) | Pretreatment equipment for recycling waste materials of disposable plastic cups |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181130 Termination date: 20210322 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |