CN111891633A - Auxiliary discharging device for granulating leftover materials of melt-blown fabric - Google Patents
Auxiliary discharging device for granulating leftover materials of melt-blown fabric Download PDFInfo
- Publication number
- CN111891633A CN111891633A CN202010701724.4A CN202010701724A CN111891633A CN 111891633 A CN111891633 A CN 111891633A CN 202010701724 A CN202010701724 A CN 202010701724A CN 111891633 A CN111891633 A CN 111891633A
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- China
- Prior art keywords
- melt
- sides
- blown fabric
- rotating shaft
- mounting
- 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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Links
- 239000004744 fabric Substances 0.000 title claims abstract description 38
- 239000000463 material Substances 0.000 title claims abstract description 30
- 238000007599 discharging Methods 0.000 title claims abstract description 11
- 238000003825 pressing Methods 0.000 claims abstract description 39
- 230000007246 mechanism Effects 0.000 claims abstract description 36
- 230000005540 biological transmission Effects 0.000 claims abstract description 32
- 238000005469 granulation Methods 0.000 claims abstract description 11
- 230000003179 granulation Effects 0.000 claims abstract description 11
- 238000007664 blowing Methods 0.000 claims abstract description 8
- 239000004677 Nylon Substances 0.000 claims description 2
- 229920001778 nylon Polymers 0.000 claims description 2
- 239000000835 fiber Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000004743 Polypropylene Substances 0.000 description 1
- 239000011358 absorbing material Substances 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- -1 polypropylene Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G15/00—Conveyors having endless load-conveying surfaces, i.e. belts and like continuous members, to which tractive effort is transmitted by means other than endless driving elements of similar configuration
- B65G15/30—Belts or like endless load-carriers
-
- 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
- B29B9/00—Making granules
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G15/00—Conveyors having endless load-conveying surfaces, i.e. belts and like continuous members, to which tractive effort is transmitted by means other than endless driving elements of similar configuration
- B65G15/30—Belts or like endless load-carriers
- B65G15/58—Belts or like endless load-carriers with means for holding or retaining the loads in fixed position, e.g. magnetic
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G23/00—Driving gear for endless conveyors; Belt- or chain-tensioning arrangements
- B65G23/02—Belt- or chain-engaging elements
- B65G23/04—Drums, rollers, or wheels
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G23/00—Driving gear for endless conveyors; Belt- or chain-tensioning arrangements
- B65G23/22—Arrangements or mountings of driving motors
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
Abstract
The invention relates to a discharging device, in particular to an auxiliary discharging device for leftover material granulation of melt-blown fabric. The technical problem to be solved is as follows: the auxiliary blowing device for the leftover material granulation of the melt-blown fabric is simple and convenient to operate and high in feeding speed. The utility model provides a blowing device is assisted in granulation of melt-blown fabric leftover bits, includes: the servo motor is arranged on one side of the front part of the mounting rack; the two sides of the mounting rack are connected with the transmission mechanisms; pressing mechanism, mounting bracket upper portion are equipped with pressing mechanism, and transmission device cooperates with pressing mechanism. The invention has the advantages of simple operation and high blanking speed, the servo motor drives the transmission mechanism to rotate so as to drive the pressing frame to move up and down, the pressing frame moves up and down to press the melt-blown fabric leftover materials in the inlet of the granulator, manual pressing is not needed, the time of a user is saved, and more melt-blown fabric leftover materials can be loaded in the inlet of the granulator, so that the working efficiency is improved.
Description
Technical Field
The invention relates to a discharging device, in particular to an auxiliary discharging device for leftover material granulation of melt-blown fabric.
Background
The melt-blown fabric is a filter material with polypropylene as a main raw material. The fiber diameter can reach 1-5 microns, and the superfine fibers with unique capillary structures increase the number and the surface area of fibers in unit area, so that the melt-blown fabric has good filtering property, shielding property, heat insulation property and oil absorption property, and can be used in the fields of air, liquid filtering materials, isolating materials, absorbing materials, mask materials, heat-insulating materials, wiping cloth and the like.
In the manufacturing process of the melt-blown fabric, certain leftover materials can be generated, and in order to save resources, people generally put the leftover materials of the melt-blown fabric into a granulator for recycling. At present, people mostly adopt the manual mode of manual work to place the melt-blown fabric leftover bits in the entrance of granulator, because the melt-blown fabric leftover bits are comparatively fluffy, still need the manual work to press the melt-blown fabric leftover bits to make blowing speed slower, production efficiency reduces.
Disclosure of Invention
In order to overcome the manual work and carry out the blowing to the melt-blown fabric leftover bits and pieces and press, the blowing speed is slower for the shortcoming of production efficiency reduction, the technical problem that solve is: the auxiliary blowing device for the leftover material granulation of the melt-blown fabric is simple and convenient to operate and high in feeding speed.
The technical scheme is as follows: the utility model provides a blowing device is assisted in granulation of melt-blown fabric leftover bits, includes:
the servo motor is arranged on one side of the front part of the mounting rack;
the two sides of the mounting rack are connected with the transmission mechanisms;
pressing mechanism, mounting bracket upper portion are equipped with pressing mechanism, and transmission device cooperates with pressing mechanism.
As a preferred technical scheme of the invention, the transmission mechanism comprises a first bearing seat, a first rotating shaft, a second bearing seat, a second rotating shaft, a transmission belt and pull rods, wherein the second bearing seats are arranged on two sides of an installation frame close to one side of the servo motor, the second rotating shaft is rotatably connected between the second bearing seats, one end of the second rotating shaft is connected with an output shaft of the servo motor, the first bearing seats are arranged on two sides of the installation frame far away from one side of the servo motor, the first rotating shaft is rotatably connected between the first bearing seats, the transmission belts are wound between the first rotating shaft and the second rotating shaft, and the pull rods are uniformly arranged on the transmission belts at intervals.
As a preferable technical scheme of the invention, the pressing mechanism comprises a sliding plate, a fixed block, a first spring, a mounting plate, a pressing frame, a second spring, a connecting plate, a first reel, a second reel and a pull wire, wherein two sides of the lower part of the mounting plate close to one side of the servo motor are respectively provided with at least two through holes, the sliding plate is connected between the through holes at two sides in a sliding way, the two sides of the mounting plate positioned below the through holes are both provided with the fixed block, the first spring is connected between the top of the fixed block at two sides and the two sides of the sliding plate, the inner wall of the upper part of the mounting plate is connected with the mounting plate, the pressing frame is connected at two sides of the mounting plate in a sliding way, the upper part of the pressing frame is connected with the second spring, the tail end of the second spring is, both sides of the bottom of the connecting plate are provided with pull wires, the pull wires are wound around the first reel and the second reel, and the tail ends of the pull wires are connected with both sides of the sliding plate.
As a preferred technical scheme of the invention, the device also comprises a baffle, and one side of the mounting rack is provided with the baffle.
As a preferred technical scheme of the invention, the stay wire is made of nylon material.
The invention has the advantages of simple operation and high blanking speed, the servo motor drives the transmission mechanism to rotate so as to drive the pressing frame to move up and down, the pressing frame moves up and down to press the melt-blown fabric leftover materials in the inlet of the granulator, manual pressing is not needed, the time of a user is saved, and more melt-blown fabric leftover materials can be loaded in the inlet of the granulator, so that the working efficiency is improved.
Drawings
Fig. 1 is a schematic perspective view of the present invention.
Fig. 2 is a schematic view of a first partially-separated body structure of the transfer mechanism of the present invention.
Fig. 3 is a schematic view of a second partially separated body structure of the transfer mechanism of the present invention.
Fig. 4 is a schematic perspective view of the pressing mechanism of the present invention.
Fig. 5 is a partial perspective view of the present invention.
Wherein: a mounting block, 2.. a servo motor, 3.. a transmission mechanism, 31.. a first bearing block, 32.. a first rotating shaft, 33.. a second bearing block, 34.. a second rotating shaft, 35.. a transmission belt, 36.. a pull rod, 4.. a pressing mechanism, 41.. a through hole, 42.. a sliding plate, 43.. a fixed block, 44.. a first spring, 45.. a mounting plate, 46.. a pressing frame, 47.. a second spring, 48.. a connecting plate, 49.. a first reel, 410.. a second reel, 411.. a pull wire baffle.
Detailed Description
It is to be noted that, in the case of the different described embodiments, identical components are provided with the same reference numerals or the same component names, wherein the disclosure contained in the entire description can be transferred to identical components having the same reference numerals or the same component names in a meaningful manner. The positional references selected in the description, such as upper, lower, lateral, etc., refer also to the directly described and illustrated figures and are to be read into the new position in the sense of a change in position.
Example 1
A melt-blown fabric leftover material granulation auxiliary discharging device is shown in figure 1 and comprises a mounting frame 1, a servo motor 2, a transmission mechanism 3 and a pressing mechanism 4, wherein the servo motor 2 is arranged on the lower left side of the front portion of the mounting frame 1, the transmission mechanism 3 is connected between the inner walls of the mounting frame 1, the transmission mechanism 3 is connected with an output shaft of the servo motor 2, the pressing mechanism 4 is arranged on the mounting frame 1, the pressing mechanism 4 is used for pressing melt-blown fabric leftover materials in a granulator, the transmission mechanism 3 is matched with the pressing mechanism 4, when the melt-blown fabric leftover materials need to be placed into the granulator, firstly, a worker can push the device to a feeding port of the granulator, then the melt-blown fabric leftover materials are placed on the transmission mechanism 3, the servo motor 2 is started to rotate forwards, the servo motor 2 rotates forwards to drive the transmission mechanism 3, so that the melt-blown fabric leftover materials on the transmission mechanism 3 move into the feeding port of the granulator, the transmission device 3 pushes the pressing device 4 to move downwards while rotating, so that the leftover materials of the melt-blown fabric in the feeding port of the granulator are pressed, and after the operation is finished, the servo motor 2 is closed.
As shown in fig. 2 and fig. 3, the conveying mechanism 3 includes a first bearing seat 31, a first rotating shaft 32, a second bearing seat 33, a second rotating shaft 34, a conveying belt 35 and a pull rod 36, the second bearing seats 33 are respectively disposed on the front and rear sides of the left portion of the mounting rack 1, the second rotating shaft 34 is rotatably disposed between the second bearing seats 33 on the front and rear sides, the front end of the second rotating shaft 34 is connected to an output shaft of the servo motor 2, the first bearing seats 31 are respectively disposed on the front and rear sides of the right portion of the mounting rack 1, the first bearing seats 31 are located on the upper right side of the second bearing seats 33, the second rotating shaft 34 is rotatably disposed between the first bearing seats 31 on the front and rear sides, the conveying belt 35 is wound between the first rotating shaft 32 and the second rotating shaft 34, a worker can place the edge material of the melt-blown fabric on the conveying belt 35, the conveying belt 35 is uniformly provided with a plurality of, servo motor 2 corotation drives 34 corotation of second pivot, and 34 rotations of second pivot drive transmission band 35 clockwise rotation, thereby drive first pivot 32 and carry out the corotation, transmission band 35 rotates and drives pull rod 36 and rotate, and then drives to melt and spout cloth leftover bits clockwise rotation, make to melt and spout cloth leftover bits and pieces and remove to the pan feeding mouth of granulator in, transmission band 35 rotates simultaneously and drives pressing means 4 through pull rod 36 and presses down to the intraoral cloth leftover bits of melting and spouting of pan feeding.
As shown in fig. 4, the pressing mechanism 4 includes a sliding plate 42, a fixing block 43, a first spring 44, a mounting plate 45, a pressing frame 46, a second spring 47, a connecting plate 48, a first reel 49, a second reel 410 and a pull wire 411, two through holes 41 are respectively opened on the front and rear sides of the lower portion of the mounting frame 1, the sliding plate 42 is slidably disposed between the two through holes 41, the fixing block 43 is disposed on the front and rear sides of the lower portion of the mounting frame 1, the fixing blocks 43 on the front and rear sides are disposed below the through holes 41, the first spring 44 is disposed on the fixing blocks 43 on the front and rear sides, the end of the first spring 44 is connected to the bottom of the sliding plate 42, the mounting plate 45 is disposed between the inner walls of the upper portion of the mounting frame 1, the pressing frame 46 is slidably connected to both sides of the mounting plate 45, the second spring 47 is connected between the upper portions of the front and rear, the front side and the rear side of the upper part of the mounting rack 1 are respectively provided with a second reel 410, the first reel 49 is positioned at the right side of the second reel 410, the front side and the rear side of the bottom of the connecting plate 48 are respectively connected with a stay wire 411, the stay wires 411 all bypass the first reel 49 and the second reel 410, the tail ends of the stay wires 411 are connected with the top of the sliding plate 42, the transmission belt 35 rotates to drive the pull rod 36 to rotate, when the pull rod 36 rotates to be in contact with the sliding plate 42, the sliding plate 42 is pushed to move downwards, so that the first spring 44 is compressed, the sliding plate 42 moves downwards and moves downwards to drive the stay wires 411 to move downwards, the stay wires 411 drive the connecting plate 48 to move downwards through the first reel 49 and the second reel 410, the connecting plate 48 moves downwards to drive the pressing frame 46 to move downwards, the second spring 47 is compressed, the pressing frame 46 moves downwards to press down the melt-spraying leftover materials in the feeding port of the granulator, when the pull rod 36 rotates away to be no longer in contact with the sliding plate 42, the sliding plate 42 is driven to move upwards under the action of the first spring 44, meanwhile, the pressing frame 46 and the connecting plate 48 are driven to reset upwards under the action of the second spring 47, and the connecting plate 48 moves upwards to drive the pull wire 411 to move upwards.
As shown in fig. 4, the granulator drying device further comprises a baffle 5, the right part of the mounting frame 1 is provided with the baffle 5 in a fixed connection mode, the baffle 5 is provided with two openings, in the rotating process of the pull rod 36, the pull rod 36 can penetrate through the openings in the baffle 5, when residual leftover materials of melt-blown cloth exist on the transmission belt 35, and the two openings are respectively matched with the size of the pull rod 36 on the transmission belt 35, so that the leftover materials of melt-blown cloth cannot penetrate through the openings and fall into a feeding port of the granulator.
It should be understood that the above description is for exemplary purposes only and is not meant to limit the present invention. Those skilled in the art will appreciate that variations of the present invention are intended to be included within the scope of the claims herein.
Claims (5)
1. The utility model provides a blowing device is assisted in granulation of melt-blown fabric leftover bits, its characterized in that includes:
the servo motor is arranged on one side of the front part of the mounting rack;
the two sides of the mounting rack are connected with the transmission mechanisms;
pressing mechanism, mounting bracket upper portion are equipped with pressing mechanism, and transmission device cooperates with pressing mechanism.
2. The melt-blown fabric leftover granulation auxiliary discharging device according to claim 1, wherein the transmission mechanism comprises a first bearing seat, a first rotating shaft, a second bearing seat, a second rotating shaft, a transmission belt and a pull rod, the second bearing seat is arranged on two sides of the mounting frame close to one side of the servo motor, the second rotating shaft is rotatably connected between the second bearing seats, one end of the second rotating shaft is connected with an output shaft of the servo motor, the first bearing seat is arranged on two sides of the mounting frame far away from one side of the servo motor, the first rotating shaft is rotatably connected between the first bearing seats, the transmission belt is wound between the first rotating shaft and the second rotating shaft, and the pull rod is arranged on the transmission belt at uniform intervals.
3. The auxiliary discharging device for leftover bits and pieces of melt-blown cloth according to claim 2, wherein the pressing mechanism comprises a sliding plate, a fixed block, a first spring, a mounting plate, a pressing frame, a second spring, a connecting plate, a first reel, a second reel and a pull wire, at least two through holes are respectively arranged on two sides of the lower portion of the mounting frame near one side of the servo motor, the sliding plate is slidably connected between the through holes on two sides, the fixed block is arranged on each side of the mounting frame below the through hole, the first spring is connected between the top of the fixed block on two sides and each side of the sliding plate, the mounting plate is connected on the inner wall of the upper portion of the mounting frame, the pressing frames are slidably connected on two sides of the mounting plate, the second spring is connected on the upper portion of the pressing frame, the tail end of the second spring is connected with the mounting plate, the connecting plate is connected between the top, both sides of the bottom of the connecting plate are provided with pull wires, the pull wires are wound around the first reel and the second reel, and the tail ends of the pull wires are connected with both sides of the sliding plate.
4. The auxiliary discharging device for the leftover material granulation of the melt-blown fabric as claimed in claim 3, further comprising a baffle, wherein the baffle is arranged on one side of the mounting frame.
5. The auxiliary discharging device for the leftover material granulation of the melt-blown fabric according to claim 3, which is characterized in that: the stay wire is made of nylon material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010701724.4A CN111891633B (en) | 2020-07-21 | 2020-07-21 | Auxiliary discharging device for granulating leftover materials of melt-blown fabric |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010701724.4A CN111891633B (en) | 2020-07-21 | 2020-07-21 | Auxiliary discharging device for granulating leftover materials of melt-blown fabric |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111891633A true CN111891633A (en) | 2020-11-06 |
| CN111891633B CN111891633B (en) | 2021-10-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010701724.4A Active CN111891633B (en) | 2020-07-21 | 2020-07-21 | Auxiliary discharging device for granulating leftover materials of melt-blown fabric |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111891633B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112645013A (en) * | 2020-12-17 | 2021-04-13 | 张仁山 | Auxiliary discharging device for granulating leftover materials of melt-blown fabric |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5277108A (en) * | 1990-11-08 | 1994-01-11 | Mitsubishi Kasei Engineering Co. | Rotating cylindrical treatment apparatus |
| CN205466874U (en) * | 2016-03-26 | 2016-08-17 | 浙江乐能科技有限公司 | Automatic high -efficient mould material granulation all -in -one of dehydration positive feed |
| CN206492467U (en) * | 2016-07-22 | 2017-09-15 | 佛山石湾华鹏陶瓷有限公司 | A kind of ceramic bulky grain granulation for powders machine and granulating system |
| CN206520129U (en) * | 2017-01-07 | 2017-09-26 | 义乌市顺达塑胶有限公司 | A kind of film scrap retracting device |
| CN208664126U (en) * | 2018-04-16 | 2019-03-29 | 岑仁锋 | A kind of pelleter |
| CN208801506U (en) * | 2018-09-30 | 2019-04-30 | 绵阳立新科技发展有限公司 | Feeding device is used in a kind of machining of plastic granulating |
| CN209937069U (en) * | 2019-01-24 | 2020-01-14 | 芜湖博元材料科技有限公司 | Polypropylene leftover material recovery device |
| CN210824201U (en) * | 2019-10-22 | 2020-06-23 | 厦门慧金盟磁电有限公司 | Feed mechanism for granulation equipment |
| CN211026684U (en) * | 2019-11-06 | 2020-07-17 | 上海洁乐特防锈包装技术有限公司 | A plastic waste film recycling granulator |
-
2020
- 2020-07-21 CN CN202010701724.4A patent/CN111891633B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5277108A (en) * | 1990-11-08 | 1994-01-11 | Mitsubishi Kasei Engineering Co. | Rotating cylindrical treatment apparatus |
| CN205466874U (en) * | 2016-03-26 | 2016-08-17 | 浙江乐能科技有限公司 | Automatic high -efficient mould material granulation all -in -one of dehydration positive feed |
| CN206492467U (en) * | 2016-07-22 | 2017-09-15 | 佛山石湾华鹏陶瓷有限公司 | A kind of ceramic bulky grain granulation for powders machine and granulating system |
| CN206520129U (en) * | 2017-01-07 | 2017-09-26 | 义乌市顺达塑胶有限公司 | A kind of film scrap retracting device |
| CN208664126U (en) * | 2018-04-16 | 2019-03-29 | 岑仁锋 | A kind of pelleter |
| CN208801506U (en) * | 2018-09-30 | 2019-04-30 | 绵阳立新科技发展有限公司 | Feeding device is used in a kind of machining of plastic granulating |
| CN209937069U (en) * | 2019-01-24 | 2020-01-14 | 芜湖博元材料科技有限公司 | Polypropylene leftover material recovery device |
| CN210824201U (en) * | 2019-10-22 | 2020-06-23 | 厦门慧金盟磁电有限公司 | Feed mechanism for granulation equipment |
| CN211026684U (en) * | 2019-11-06 | 2020-07-17 | 上海洁乐特防锈包装技术有限公司 | A plastic waste film recycling granulator |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112645013A (en) * | 2020-12-17 | 2021-04-13 | 张仁山 | Auxiliary discharging device for granulating leftover materials of melt-blown fabric |
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| Publication number | Publication date |
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| CN111891633B (en) | 2021-10-01 |
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