CN110253854A - Extrusion device is used in a kind of production of Polywoven Bag - Google Patents
Extrusion device is used in a kind of production of Polywoven Bag Download PDFInfo
- Publication number
- CN110253854A CN110253854A CN201910522506.1A CN201910522506A CN110253854A CN 110253854 A CN110253854 A CN 110253854A CN 201910522506 A CN201910522506 A CN 201910522506A CN 110253854 A CN110253854 A CN 110253854A
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- China
- Prior art keywords
- feed pipe
- cylinder
- packing cylinder
- far
- polywoven bag
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/285—Feeding the extrusion material to the extruder
- B29C48/288—Feeding the extrusion material to the extruder in solid form, e.g. powder or granules
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/92—Measuring, controlling or regulating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/96—Safety devices
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Filling Or Emptying Of Bunkers, Hoppers, And Tanks (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The invention belongs to Polywoven Bag production equipment fields, especially a kind of Polywoven Bag production extrusion device, aiming at the problem that existing Polywoven Bag production feed tube speed existing for extrusion device is unable to adjust automatically and is easy to appear blocking, now propose following scheme, it includes heat-preservation cylinder, the inner sidewall of the heat-preservation cylinder is equipped with packing cylinder, reduction gear box is fixedly connected on one end of the packing cylinder, the reduction gear box is equipped with the first driving motor far from one end of packing cylinder, the present invention can automatically adjust the speed of charging and feed hopper blanking in feed pipe, prevent the situation that packing cylinder charging is excessive and the interior pressure of appearance is excessive, to be protected to packing cylinder, and it can avoid occurring the case where fed material from being blocked in feed pipe by agitating shaft, and when there is the case where fed material from being blocked because of accident in feed pipe, Feed pipe can be dredged using agitating shaft.
Description
Technical field
The present invention relates to Polywoven Bag production equipment technology more particularly to a kind of Polywoven Bag production extrusions
Device.
Background technique
Polywoven Bag is divided into Polypropylene Bag, Polythene Bag by main material composition；It is divided into seam bottom bag, seam by method of sewing
Side bottom bag；It is widely used in the packaging of fertilizer, chemical products and other items at present.Its main production is to utilize plastic raw materials
It is flat filament through mixing, extrusion film, cutting, simple tension, finally by being obtained through knitting device.
The extrusion stage in the production process of existing Polywoven Bag carries out generally by extrusion device, by into
Expects pipe pours into plastic particles raw materials in packing cylinder, then heats to plastic grain in packing cylinder, keeps it heated and in height
It is melt into plastics liquid under temperature effect, then under the drive of driving motor and reduction gear box, drives screw rod and helical blade rotation
Turn, so that the plastics liquid of melting is transported at extrusion.
But existing Polywoven Bag production with extrusion device in use, since plastic grain is directly to feed
Into feed pipe, and without being equipped with charging rate regulating device, therefore charging speed that can not automatically to feed pipe in feed pipe
Degree is adjusted, defeated beyond screw rod and helical blade so be easy to because the plastic particles raw materials entered in packing cylinder are excessive
The situation sent speed and cause material extrusion cylinder pressure excessive occurs, in addition, it is easy to appear shadows the case where blocking in feed pipe
It rings to the normal charging in packing cylinder.
Therefore, existing Polywoven Bag production with extrusion device when in use, there are feed tube speed not can from
Dynamic the problem of adjusting and being easy to appear blocking.
Summary of the invention
A kind of Polywoven Bag production extrusion device proposed by the present invention solves existing Polywoven Bag production and uses
The problem of feed tube speed existing for extrusion device is unable to adjust automatically and is easy to appear blocking.
To achieve the goals above, present invention employs following technical solutions:
A kind of Polywoven Bag production extrusion device, including heat-preservation cylinder, the inner sidewall of the heat-preservation cylinder are equipped with material extrusion
Cylinder, is fixedly connected with reduction gear box on one end of the packing cylinder, and the reduction gear box on one end of packing cylinder far from setting
There is the first driving motor, the reduction gear box is equipped with the screw rod through packing cylinder, institute far from one end of the first driving motor
Screw rod is stated in being horizontally disposed with, the screw rod is equipped with helical blade, and the packing cylinder is equipped with far from one end of reduction gear box
Extrusion, the one side wall of the packing cylinder are equipped with the feed pipe through heat-preservation cylinder；
The feed pipe slidably connects feed hopper, the feed hopper and heat-preservation cylinder on the lateral wall far from heat-preservation cylinder one end
Lateral wall between be fixedly connected with spring, the spring is set on the lateral wall of feed pipe, the feed hopper far from charging
The second driving motor is equipped with by fixed device on the inner sidewall of pipe one end, is fixed on the output end of second driving motor
It is connected with agitating shaft, the agitating shaft extends into feed pipe far from one end of the second driving motor, and the feed hopper is close
By two symmetrically arranged shaft rotation connections, there are two baffles on the inner sidewall of feed pipe one end.
Preferably, the fixed device includes four fixed links being symmetrical set, and four fixed links are vertically solid
Surely it is connected on inner sidewall of the feed hopper far from feed pipe one end, four fixed links are far from fixed on one end of feed hopper
It is connected with fixed ring, second driving motor is fixedly connected on the interior ring-side wall of fixed ring.
Preferably, multiple heating tubes are symmetrically arranged in the barrel of the packing cylinder.
Preferably, second driving motor is equipped with jacking block far from one end of agitating shaft, and the jacking block is set in coniform
It sets.
Preferably, the inclined inclined-plane setting of port side wall of the feed pipe far from packing cylinder one end, the baffle are separate
One end of shaft is arranged in matched inclined ramp.
Preferably, the agitating shaft is in U-shape setting.
Compared with prior art, the beneficial effects of the present invention are:
1, in the present invention, when the plastic grain entered in packing cylinder is excessive, when feeding speed beyond helical blade, at this time
The charging rate of plastic grain in feed pipe reduces, and feed hopper weight increases, and squeezes spring, and the height of feed hopper declines, from
And sloped sidewall at the port of feed pipe is made to push baffle, so that baffle is upturned around the shaft, hinder to feed by baffle
Charging rate in pipe, protects packing cylinder, and can automatically adjust the speed of charging and feed hopper blanking in feed pipe,
The situation that packing cylinder charging is excessive and the interior pressure of appearance is excessive is prevented, to protect to packing cylinder.
2, in the present invention, starting the second driving motor, the second driving motor can drive agitating shaft rotation by output end,
To be stirred by agitating shaft to the plastic grain in feed pipe, to avoid the feelings for occurring fed material from being blocked in feed pipe
Condition, and when the case where fed material from being blocked can occur because of accident in feed pipe, feed pipe can be dredged using agitating shaft.
Detailed description of the invention
Fig. 1 is the positive structure schematic that extrusion device is used in a kind of Polywoven Bag production proposed by the present invention；
Fig. 2 is the internal structure cross-sectional view that extrusion device is used in a kind of Polywoven Bag production proposed by the present invention；
Fig. 3 is the enlarged drawing of A structure in Fig. 2；
Fig. 4 is the fixture structure schematic diagram that extrusion device is used in a kind of Polywoven Bag production proposed by the present invention.
In figure: 1 heat-preservation cylinder, 2 packing cylinders, 3 reduction gear boxes, 4 first driving motors, 5 screw rods, 6 helical blades, 7 squeeze out
Mouth, 8 heating tubes, 9 feed pipes, 10 feed hoppers, 11 springs, 12 fixed links, 13 fixed rings, 14 second driving motors, 15 jacking blocks, 16
Agitating shaft, 17 shafts, 18 baffles.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.
Referring to Fig.1-4, a kind of Polywoven Bag, which produces, uses extrusion device, including heat-preservation cylinder 1, on the inner sidewall of heat-preservation cylinder 1
Equipped with packing cylinder 2, heat-preservation cylinder 1 is arranged on the lateral wall of 2 cylinder of packing cylinder, for keeping the temperature to packing cylinder 2, slows down material extrusion
Heat loss speed reduces thermal losses and electric energy in packing cylinder 2 to guarantee the melted by heating effect of plastic grain in cylinder 2
Loss, to reduce production cost, is fixedly connected with reduction gear box 3, reduction gear box 3 is separate on one end of packing cylinder 2
One end of packing cylinder 2 is equipped with the first driving motor 4.
First driving motor 4 and reduction gear box 3 are installed together and mutually link, and reduction gear box 3 drives far from first
One end of dynamic motor 4 is equipped with the screw rod 5 through packing cylinder 2, and for screw rod 5 in being horizontally disposed with, screw rod 5 is equipped with helical blade 6, squeezes
Barrel 2 is equipped with extrusion 7 far from one end of reduction gear box 3, and the first driving motor 4 can be driven by reduction gear box 3
Screw rod 5 rotates, to drive helical blade 6 to rotate by screw rod 5, by the motive force that helical blade 6 generates when rotated, pushes away
Plastic grain and molten plastic liquid in dynamic packing cylinder 2 is constantly mobile to the direction of extrusion 7, then the quilt at extrusion 7
It squeezes out.
Extrusion 7 is connected with wire-drawing die (not shown), and multiple heating tubes 8 are symmetrically arranged in the barrel of packing cylinder 2, is in pair
The multiple heating tubes 8 for claiming setting can effectively avoid plastic grain in packing cylinder 2 heated not the homogeneous heating of packing cylinder 2
Equal problem, during helical blade 6 rotates and drives plastic grain mobile, high temperature of the plastic grain in packing cylinder 2
Under effect, it is melt into plastics liquid form, so that it is squeezed out from extrusion 7, and it is cooling through wire drawing, it is woven into polybag,
The one side wall of packing cylinder 2 is equipped with the feed pipe 9 through heat-preservation cylinder 1.
Feed pipe 9 slidably connects feed hopper 10 on the lateral wall far from 1 one end of heat-preservation cylinder, feed hopper 10 is funnel-shaped to be set
It sets, facilitates the high-volume quick feeding of feed hopper 10, to significantly improve the charging rate of feed hopper 10, pour into charging
Plastic grain in bucket 10 is introduced into feed pipe 9, is then entered in packing cylinder 2 through feed pipe 9, feed hopper 10 and heat-preservation cylinder 1
Lateral wall between be fixedly connected with spring 11, spring 11 is set on the lateral wall of feed pipe 9, and feed hopper 10 is far from feed pipe
The second driving motor 14 is equipped with by fixed device on the inner sidewall of 9 one end.
First driving motor 4 is servo motor, and the second driving motor 14 is that (servo motor and motor are equal for motor
Belong to the prior art, work is separate and connection type is no longer described in detail herein), fixed device includes four in symmetrical
The fixed link 12 of setting, four fixed links 12 are vertically fixedly connected on inner sidewall of the feed hopper 10 far from 9 one end of feed pipe,
Fixed ring 13 is fixedly connected on four one end of fixed link 12 far from feed hopper 10, the second driving motor 14 is fixedly connected on
On the interior ring-side wall of fixed ring 13.
Using four symmetrically arranged fixed links 12, cooperate fixed ring 13 that second driving motor 14 is fixed on charging
On the inner sidewall of bucket 10, and the second driving motor 14 is at the center of feed hopper 10, due to being using symmetrically arranged four
Fixed ring 13 is fixed in fixed link 12, therefore the effect being fixedly connected is good, stable connection, and is able to maintain and is mounted on fixation
The output end state in a vertical shape of the second driving motor 14 in ring 13 is set on second one end of driving motor 14 far from agitating shaft 16
There is jacking block 15.
Jacking block 15 is in coniform setting, and the jacking block 15 of coniform setting facilitates the blanking of plastic grain, thus effectively
Plastic grain is avoided to accumulate on the upper surface of the second driving motor 14, so as to avoid the waste of raw material, the second driving
Be fixedly connected with agitating shaft 16 on the output end of motor 14, agitating shaft 16 far from one end of the second driving motor 14 extend into
In expects pipe 9, starting the second driving motor 14, the second driving motor 14 can drive agitating shaft 16 to rotate by output end, thus
The plastic grain in feed pipe 9 is stirred by agitating shaft 16, to avoid occurring the feelings of fed material from being blocked in feed pipe 9
Condition.
It, can be using agitating shaft 16 to feed pipe 9 and when the case where fed material from being blocked can occur because of accident in feed pipe 9
Dredged, agitating shaft 16 is in U-shape setting, the agitating shaft 16 of U-shaped setting when rotated, the both ends of agitating shaft 16 can simultaneously into
It is stirred in expects pipe 9, so that the stirring action and mixing effect of agitating shaft 16 are effectively raised, so as to feed pipe
Better anti-clogging and dredging are played the role of in charging in 9, and then improve charging rate and powder feeding efficiency in feed pipe 9.
Feed hopper 10 is rotatably connected to two by two symmetrically arranged shafts 17 on the inner sidewall of 9 one end of feed pipe
A baffle 18, the setting of port side wall of the feed pipe 9 far from 2 one end of packing cylinder inclined inclined-plane, baffle 18 far from shaft 17 one
End is arranged in matched inclined ramp, and in order to ensure the stabilization of production, the first driving motor 4 generally can be in reduction gearing
Under the limitation of case 3, screw rod 5 and helical blade 6 is driven to rotate with constant speed, therefore helical blade 6 is to the plastic raw materials in packing cylinder 2
Driving velocity be constant, so feeding speed is certain.
When the plastic grain entered in packing cylinder 2 is excessive, when feeding speed beyond helical blade 6, at this time in feed pipe 9
The charging rate of plastic grain can reduce, when the plastic grain that helical blade 6 accumulates packing cylinder 2 close to 9 one end of feed pipe
After being transported away, plastic grain restores original charging rate after losing obstruction in feed pipe 9, but if feed pipe 9 still with
Charging rate before conveys plastic grain to packing cylinder 2, occurs then will cause the situation that pressure is excessive in packing cylinder 2, because
This needs to reduce the plastic grain charging rate in feed pipe 9.
It is acted on by the elastic force of spring 11, so that the plastic grain entered in packing cylinder 2 is excessive, beyond helical blade 6
When feeding speed, the charging rate of the plastic grain in feed pipe 9 is reduced at this time, and feed hopper 10 is expected due under in feed pipe 9
Blanking velocity reduction hoarded so as to cause plastic grain in feed hopper 10,10 weight of feed hopper increase, squeeze spring 11, charging
The height decline of bucket 10, so that sloped sidewall pushes baffle 18 at the port of feed pipe 9.
So that baffle 18 17 is upturned around the shaft, to hinder the charging rate in feed pipe 9, packing cylinder 2 is carried out
Protection, with the continuous blanking of feed pipe 9,10 weight of feed hopper is reduced, height rises, baffle 18 around the shaft 17 inclination angle it is more next
It is smaller, it is smaller and smaller to the inhibition of feed pipe 9, so that the charging rate of feed pipe 9 is gradually recovered original state, Jin Erneng
The enough speed of automatic adjustment feed pipe 9 interior charging and 10 blanking of feed hopper, prevents packing cylinder 2 from feeding excessive and interior pressure mistake occur
Big situation, to be protected to packing cylinder 2.
In the present invention, when the plastic grain entered in packing cylinder 2 is excessive, when feeding speed beyond helical blade 6, at this time
The charging rate of plastic grain in feed pipe 9 reduces, feed hopper 10 expect due under the blanking velocity in feed pipe 9 reduce from
And plastic grain in feed hopper 10 is caused to be hoarded, 10 weight of feed hopper increases, and squeezes spring 11, and the height of feed hopper 10 declines,
So that sloped sidewall pushes baffle 18 at the port of feed pipe 9, so that baffle 18 17 is upturned around the shaft；
The charging rate in feed pipe 9 is hindered by baffle 18, packing cylinder 2 is protected, it is continuous with feed pipe 9
Blanking, 10 weight of feed hopper reduces, height rises, baffle 18 around the shaft 17 inclination angle it is smaller and smaller, the obstruction of feed pipe 9 is made
With smaller and smaller so that the charging rate of feed pipe 9 is gradually recovered original state, and then can automatically adjust in feed pipe 9 into
The speed of material and 10 blanking of feed hopper prevents packing cylinder 2 from feeding excessive and the excessive situation of interior pressure occur, to packing cylinder 2
It is protected, in addition, the second driving motor 14 of starting, the second driving motor 14 can drive agitating shaft 16 to revolve by output end
Turn, to be stirred by agitating shaft 16 to the plastic grain in feed pipe 9, to avoid occurring feeding in feed pipe 9 stifled
The case where plug, and when the case where fed material from being blocked can occur because of accident in feed pipe 9, it can be using agitating shaft 16 to feed pipe
9 are dredged.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (6)
1. a kind of Polywoven Bag production extrusion device, including heat-preservation cylinder (1), which is characterized in that the heat-preservation cylinder (1) it is interior
Side wall is equipped with packing cylinder (2), is fixedly connected with reduction gear box (3), the reduction gearing on one end of the packing cylinder (2)
Case (3) is equipped with the first driving motor (4) far from the one end of packing cylinder (2), and the reduction gear box (3) is far from the first driving electricity
One end of machine (4) is equipped with the screw rod (5) through packing cylinder (2), and the screw rod (5) sets on the screw rod (5) in being horizontally disposed with
Have helical blade (6), the packing cylinder (2) is equipped with extrusion (7) far from the one end of reduction gear box (3), the packing cylinder
(2) one side wall is equipped with the feed pipe (9) through heat-preservation cylinder (1)；
Feed hopper (10), the feed hopper are slidably connected on the lateral wall of separate heat-preservation cylinder (1) one end of the feed pipe (9)
(10) it is fixedly connected between the lateral wall of heat-preservation cylinder (1) spring (11), the spring (11) is set in the outer of feed pipe (9)
On side wall, the feed hopper (10) is electric far from the second driving is equipped with by fixed device on the inner sidewall of feed pipe (9) one end
Machine (14) is fixedly connected with agitating shaft (16) on the output end of second driving motor (14), and the agitating shaft (16) is separate
One end of second driving motor (14) extends into feed pipe (9), and the feed hopper (10) is interior close to feed pipe (9) one end
By two symmetrically arranged shaft (17) rotation connections, there are two baffle (18) on side wall.
2. a kind of Polywoven Bag production extrusion device according to claim 1, which is characterized in that the fixed device
Including four fixed links being symmetrical set (12), it is remote that four fixed links (12) are vertically fixedly connected on feed hopper (10)
On inner sidewall from feed pipe (9) one end, it is fixedly connected on one end of four fixed links (12) separate feed hopper (10)
Have fixed ring (13), second driving motor (14) is fixedly connected on the interior ring-side wall of fixed ring (13).
3. a kind of Polywoven Bag production extrusion device according to claim 1, which is characterized in that the packing cylinder
(2) multiple heating tubes (8) are symmetrically arranged in barrel.
4. a kind of Polywoven Bag production extrusion device according to claim 1, which is characterized in that second driving
Motor (14) is equipped with jacking block (15) far from the one end of agitating shaft (16), and the jacking block (15) is in coniform setting.
5. a kind of Polywoven Bag production extrusion device according to claim 1, which is characterized in that the feed pipe
(9) the inclined inclined-plane setting of port side wall far from packing cylinder (2) one end, the one end of the baffle (18) far from shaft (17) is in
Matched inclined ramp setting.
6. a kind of Polywoven Bag production extrusion device according to claim 1, which is characterized in that the agitating shaft
(16) be in U-shape setting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910522506.1A CN110253854B (en) | 2019-06-17 | 2019-06-17 | Extrusion device is used in plastic woven sack production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910522506.1A CN110253854B (en) | 2019-06-17 | 2019-06-17 | Extrusion device is used in plastic woven sack production |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110253854A true CN110253854A (en) | 2019-09-20 |
| CN110253854B CN110253854B (en) | 2021-02-26 |
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ID=67918779
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910522506.1A Active CN110253854B (en) | 2019-06-17 | 2019-06-17 | Extrusion device is used in plastic woven sack production |
Country Status (1)
| Country | Link |
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| CN (1) | CN110253854B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112497706A (en) * | 2020-11-18 | 2021-03-16 | 马鞍山华庆包装有限公司 | Novel leak protection material plastics flexible container production facility |
| CN112976533A (en) * | 2021-02-18 | 2021-06-18 | 谢树磊 | High-efficiency plastic extrusion equipment for plastic part processing |
| CN113942211A (en) * | 2021-09-23 | 2022-01-18 | 徐泽南 | PE film blowing machine |
| CN114405400A (en) * | 2022-01-19 | 2022-04-29 | 江苏贝尔机械有限公司 | Fodder prilling granulator |
| CN117382138A (en) * | 2023-12-08 | 2024-01-12 | 江苏烁范智能装备有限公司 | Extruder for producing lithium battery diaphragm |
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| CN208601888U (en) * | 2018-06-25 | 2019-03-15 | 天津市久大塑料制品有限公司 | Extrusion device is used in a kind of production of Polywoven Bag |
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| JPH08229948A (en) * | 1995-02-28 | 1996-09-10 | Aokiko Kenkyusho:Kk | Material supply device of molding machine |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112497706A (en) * | 2020-11-18 | 2021-03-16 | 马鞍山华庆包装有限公司 | Novel leak protection material plastics flexible container production facility |
| CN112976533A (en) * | 2021-02-18 | 2021-06-18 | 谢树磊 | High-efficiency plastic extrusion equipment for plastic part processing |
| CN113942211A (en) * | 2021-09-23 | 2022-01-18 | 徐泽南 | PE film blowing machine |
| CN114405400A (en) * | 2022-01-19 | 2022-04-29 | 江苏贝尔机械有限公司 | Fodder prilling granulator |
| CN117382138A (en) * | 2023-12-08 | 2024-01-12 | 江苏烁范智能装备有限公司 | Extruder for producing lithium battery diaphragm |
| CN117382138B (en) * | 2023-12-08 | 2024-03-08 | 江苏烁范智能装备有限公司 | Extruder for producing lithium battery diaphragm |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110253854B (en) | 2021-02-26 |
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