CN221271968U - Novel modified plastic double-screw extruder - Google Patents
Novel modified plastic double-screw extruder Download PDFInfo
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- CN221271968U CN221271968U CN202323142534.1U CN202323142534U CN221271968U CN 221271968 U CN221271968 U CN 221271968U CN 202323142534 U CN202323142534 U CN 202323142534U CN 221271968 U CN221271968 U CN 221271968U
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- 229920003023 plastic Polymers 0.000 title claims abstract description 34
- 239000004033 plastic Substances 0.000 title claims abstract description 34
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 37
- 238000001816 cooling Methods 0.000 claims description 20
- 238000007599 discharging Methods 0.000 claims description 17
- 238000010438 heat treatment Methods 0.000 claims description 16
- 230000008093 supporting effect Effects 0.000 claims description 13
- 230000005611 electricity Effects 0.000 claims description 5
- 241000463219 Epitheca Species 0.000 claims description 4
- 230000002457 bidirectional effect Effects 0.000 claims description 2
- 230000001360 synchronised effect Effects 0.000 abstract description 5
- 239000002994 raw material Substances 0.000 description 9
- 238000000034 method Methods 0.000 description 7
- 238000004090 dissolution Methods 0.000 description 5
- 238000009434 installation Methods 0.000 description 4
- 230000001276 controlling effect Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229920006351 engineering plastic Polymers 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
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- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The utility model discloses a novel modified plastic double-screw extruder, which comprises a base, a temperature control mechanism and a power input mechanism, wherein the base is provided with a first screw rod and a second screw rod; and (2) base: the front end of the upper surface of the feeding barrel is fixedly connected with a feeding barrel lower shell, the right end of the feeding barrel lower shell is hinged with a feeding barrel upper shell through a hinge, the left end and the right end of the inside of the feeding barrel upper shell are respectively and rotatably connected with a driven screw and a driving screw, the driving screw is in meshed connection with the driven screw, the driven screw and the driving screw are both matched and installed with an integral inner cavity formed by the feeding barrel upper shell and the feeding barrel lower shell, and the rear end of the lower surface of the base is fixedly connected with a mounting frame; temperature control mechanism: the lower end of the lower shell of the charging barrel is provided with a lower shell; this novel modified plastics twin-screw extruder can carry out temperature control automatically for temperature control in the equipment is in a preferred scope, makes the high while protection equipment of work efficiency, and single motor drive equipment operation has economic value more, and the rotation range is more synchronous simultaneously.
Description
Technical Field
The utility model relates to the technical field of novel modified plastic production, in particular to a novel modified plastic double-screw extruder.
Background
The novel modified plastic is a plastic product which is processed and modified by filling, blending, reinforcing and other methods on the basis of general plastic and engineering plastic and has the performance of improving the fire resistance, strength, impact resistance, toughness and the like, and different raw materials are required to be mixed, dissolved and extruded in the production process, so that a novel modified plastic double-screw extruder is required to be used:
Part of the traditional modified plastic double-screw extruder drives two screws to synchronously rotate in the same amplitude through two motors, then raw materials are sent into the screw grooves, and the plastics are compressed and dissolved forward in the rotating process until finally extruded;
There are some problems such as lack of temperature control, too high temperature in the equipment affects the service life of the elements, lower temperature in the equipment affects the dissolution efficiency of raw materials, and meanwhile, the double motor driving lacks economic benefits, so that a novel modified plastic double-screw extruder is provided.
Disclosure of utility model
The utility model aims to overcome the existing defects, provides a novel modified plastic double-screw extruder, can automatically control the temperature, and simultaneously can effectively solve the problems in the background technology by driving equipment by a single motor.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the novel modified plastic double-screw extruder comprises a base, a temperature control mechanism and a power input mechanism;
And (2) base: the front end of the upper surface of the feeding barrel is fixedly connected with a feeding barrel lower shell, the right end of the feeding barrel lower shell is hinged with a feeding barrel upper shell through a hinge, the left end and the right end of the inside of the feeding barrel upper shell are respectively and rotatably connected with a driven screw and a driving screw, the driving screw is in meshed connection with the driven screw, the driven screw and the driving screw are both matched and installed with an integral inner cavity formed by the feeding barrel upper shell and the feeding barrel lower shell, and the rear end of the lower surface of the base is fixedly connected with a mounting frame;
temperature control mechanism: the lower end of the lower shell of the charging barrel is provided with a lower shell;
a power input mechanism: the power input mechanism is arranged at the rear end of the upper surface of the base and is respectively matched with the driving screw and the driven screw;
Wherein: the heating plate is uniformly and fixedly connected to the bottom wall of the mounting groove formed in the upper surface of the front end of the upper shell of the charging barrel;
Wherein: the upper surface front end fixedly connected with ejection of compact mould of base, ejection of compact mould and feed cylinder inferior valve and feed cylinder epitheca all cooperate the installation, ejection of compact mould's leading flank fixedly connected with discharging pipe, discharging pipe and ejection of compact mould's inside intercommunication can carry out temperature control automatically for temperature control in the equipment is in a preferred scope, makes the high while protection equipment of work efficiency, and single motor drive equipment operation has economic value more, and rotation range is more synchronous simultaneously.
Further, the left side of mounting bracket fixedly connected with control switch group, the input of control switch group is connected with external power supply electricity, can control equipment operation.
Further, temperature control mechanism includes water-cooling tank, inlet tube and outlet pipe, the water-cooling tank is seted up inside the lower extreme of feed cylinder inferior valve, and inlet tube fixed connection is in the trailing flank lower extreme of feed cylinder inferior valve, and outlet pipe fixed connection is in the front end left surface of feed cylinder inferior valve, and outlet pipe and inlet tube all communicate with the water-cooling tank, provide the water-cooling, prevent that equipment inside temperature from being too high.
Further, temperature control mechanism still includes temperature detector and singlechip, temperature detector fixed connection is inside the fixed slot that the middle-end upper surface of feed cylinder epitheca was opened, and singlechip fixed connection is in the diapire of mounting bracket, and the input of singlechip is connected with the output electricity of control switch group, and the singlechip is connected with temperature detector two-way electricity, and the output of singlechip is connected with the input of hot plate all electricity, can carry out temperature control automatically.
Further, the power input mechanism comprises a motor, a driven gear and a driving gear, the motor is fixedly connected to the rear end of the upper surface of the base, the front end of an output shaft of the motor is fixedly connected with the rear end of the driving screw, the driving gear is fixedly sleeved on the rear end of the outer surface of the driving screw, the driven gear is fixedly sleeved on the rear end of the outer surface of the driven screw, the driven gear is meshed with the driving gear and connected with the output end of the control switch group, and the input end of the motor is electrically connected with the output end of the control switch group to provide power for equipment operation.
Further, the power input mechanism further comprises a rotation supporting seat, the rotation supporting seat is fixedly connected to the left side of the rear end of the upper surface of the base, the inside of the rotation supporting seat is rotationally connected with the rear end of the driven screw, and a supporting effect is provided, so that the driven screw is more stable in rotation.
Further, the pan feeding mouth has been seted up to the upper surface rear end of feed cylinder inferior valve, and the upper surface fixedly connected with of pan feeding mouth is the guide rail of fore-and-aft symmetry, and sliding connection has the pan feeding door between the guide rail, and pan feeding door and pan feeding mouth cooperation installation, the upper surface fixedly connected with handle one of pan feeding door, the pan feeding of being convenient for.
Further, the inner wall left end rotation of mounting groove is connected with the revolving door, and revolving door and mounting groove cooperation installation, the last fixed surface of revolving door is connected with handle two, the easy access.
Further, the left end of the upper shell of the charging barrel is connected with the left end of the lower shell of the charging barrel through a fixing bolt, so that elements in the equipment can be overhauled quickly.
Further, the lower surface of base fixedly connected with evenly distributed's support frame provides stable operational environment.
Further, the upper surface front end fixedly connected with ejection of compact mould of base, ejection of compact mould and feed cylinder inferior valve and feed cylinder epitheca all cooperate the installation, and ejection of compact mould's leading flank fixedly connected with discharging pipe, discharging pipe and ejection of compact mould's inside intercommunication are convenient for the ejection of compact, can preliminary shaping before the ejection of compact.
Compared with the prior art, the utility model has the beneficial effects that: this novel modified plastics twin-screw extruder has following benefit:
1. Through the regulation starter motor of control switch group, motor rotation drives the initiative screw rod and rotates, and the initiative screw rod rotates and drives the driving gear and rotate, and the driving gear rotates and drives driven gear and rotate, and driven gear rotates and drive driven screw rod and rotate, can use single motor drive initiative screw rod and driven screw rod to mesh in opposite directions from this, has economic value more, and the rotation range when meshing simultaneously is more synchronous.
2. The temperature detector transmits the detected temperature to the singlechip in real time through an electric signal, when the temperature is too high, the singlechip stops supplying power to the heating plate, and meanwhile, external water cooling equipment sends cold water into through the water inlet pipe, flows in the water cooling tank and is discharged from the water outlet pipe, the inside of the equipment is cooled down in the cold water flowing process, when the temperature is too low, the singlechip recovers the power supply to the heating plates of corresponding quantity according to a threshold value set by a program, and therefore, the temperature of the heating zone can be automatically regulated and controlled through water cooling, so that the equipment cannot be damaged due to the too high temperature, the dissolution efficiency is not too low due to the too low temperature, the manpower of workers is saved, and meanwhile, the equipment is kept at the optimal working efficiency.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a left side schematic view of the present utility model;
FIG. 3 is a schematic rear view of the present utility model;
fig. 4 is a schematic view of a partial structure of the power input mechanism of the present utility model.
In the figure: 1 base, 2 mounting bracket, 3 control switch group, 4 support frame, 5 feed cylinder upper shell, 6 feed cylinder lower shell, 7 temperature control mechanism, 71 temperature detector, 72 singlechip, 73 water cooling tank, 74 inlet tube, 75 outlet pipe, 8 driving screw, 9 driven screw, 10 power input mechanism, 101 motor, 102 driven gear, 103 driving gear, 104 rotation supporting seat, 11 discharge mould, 12 discharging pipe, 13 guide rail, 14 pan feeding door, 15 handle one, 16 revolving door, 17 handle two, 18 hot plate, 19 fixing bolt.
Description of the embodiments
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-4, the present embodiment provides a technical solution: the novel modified plastic double-screw extruder comprises a base 1, a temperature control mechanism 7 and a power input mechanism 10;
Base 1: the front end of the upper surface of the discharging tube is fixedly connected with a charging tube lower shell 6, the right end of the charging tube lower shell 6 is hinged with a charging tube upper shell 5 through a hinge, the left end and the right end of the interior of the charging tube upper shell 5 are respectively connected with a driven screw 9 and a driving screw 8 in a rotating way, the driving screw 8 is connected with the driven screw 9 in a meshed way, the driven screw 9 and the driving screw 8 are both fixedly connected with an integral inner cavity formed by the charging tube upper shell 5 and the charging tube lower shell 6, the rear end of the lower surface of a base 1 is fixedly connected with a mounting frame 2, the left side surface of the mounting frame 2 is fixedly connected with a control switch group 3, the input end of the control switch group 3 is electrically connected with an external power supply, the rear end of the upper surface of the charging tube lower shell 6 is provided with a charging port, the upper surface of the charging port is fixedly connected with a guide rail 13 which is symmetrical in front and rear, a charging door 14 is slidingly connected between the guide rail 13, the charging door 14 is fixedly connected with a handle 15, the left end of the charging tube upper shell 5 is fixedly connected with the left end of the charging tube lower shell 6 through a fixing bolt 19, the lower surface of the base 1 is fixedly connected with a supporting frame 4 which is uniformly distributed with a discharging tube 11, the front end of the discharging tube is fixedly connected with a discharging tube 11, and the discharging tube is fixedly connected with a die 11, and the discharging tube 11 is fixedly connected with the discharging tube 11;
Temperature control mechanism 7: the temperature control mechanism 7 comprises a water cooling groove 73, a water inlet pipe 74 and a water outlet pipe 75, wherein the water cooling groove 73 is formed in the lower end of the lower shell 6 of the charging barrel, the water inlet pipe 74 is fixedly connected to the lower end of the rear side surface of the lower shell 6 of the charging barrel, the water outlet pipe 75 is fixedly connected to the left side surface of the front end of the lower shell 6 of the charging barrel, the water outlet pipe 75 and the water inlet pipe 74 are communicated with the water cooling groove 73, the temperature control mechanism 7 further comprises a temperature detector 71 and a singlechip 72, the temperature detector 71 is fixedly connected to the inside of a fixed groove formed in the upper surface of the middle end of the upper shell 5 of the charging barrel, the singlechip 72 is fixedly connected to the bottom wall of the mounting frame 2, the input end of the singlechip 72 is electrically connected with the output end of the control switch group 3, the singlechip 72 is electrically connected with the temperature detector 71 in a bidirectional electrical mode, the temperature detected by the temperature detector 71 is transmitted to the singlechip 72 in real time through an electrical signal, when the temperature is overhigh, the singlechip 72 stops supplying power to the heating plate 18, and simultaneously external water cooling equipment is fed through the water inlet pipe 74, flows in the water cooling groove 73 and then flows out of the heating plate 75, and the water cooling equipment is correspondingly cooled down in the inner part of the heating plate, and the temperature is not cooled down time, and the temperature is reduced by the heating plate is not reduced by the human power, and the temperature is not required to be reduced by the human power equipment because the temperature is not required to be cooled by the temperature and is well due to the high temperature and the temperature is not well-controlled by the equipment and well when the temperature is set to be cooled by the high temperature and low temperature equipment;
Power input mechanism 10: the power input mechanism 10 is respectively matched with the driving screw 8 and the driven screw 9, the power input mechanism 10 comprises a motor 101, a driven gear 102 and a driving gear 103, the motor 101 is fixedly connected to the rear end of the upper surface of the base 1, the front end of an output shaft of the motor 101 is fixedly connected with the rear end of the driving screw 8, the driving gear 103 is fixedly sleeved on the rear end of the outer surface of the driving screw 8, the driven gear 102 is fixedly sleeved on the rear end of the outer surface of the driven screw 9, the driven gear 102 is in meshed connection with the driving gear 103, the input end of the motor 101 is electrically connected with the output end of the control switch group 3, the power input mechanism 10 further comprises a rotation supporting seat 104, the rotation supporting seat 104 is fixedly connected to the left side of the rear end of the upper surface of the base 1, the inside of the rotation supporting seat 104 is in rotational connection with the rear end of the driven screw 9, the motor 101 is started through adjustment of the control switch group 3, the motor 101 rotates to drive the driving screw 8 to drive the driving gear 103, the driving gear 103 rotates to drive the driving screw 102, and the driven gear 102 rotates to drive the driven screw 9, so that the driving screw 101 can drive the single motor 101 and the driven screw 9 to rotate in different directions, and the driven screws 9 can be simultaneously in synchronous rotation value;
Wherein: the heating plate 18 is uniformly and fixedly connected to the bottom wall of the mounting groove formed in the upper surface of the front end of the upper shell 5 of the charging barrel.
The working principle of the novel modified plastic double-screw extruder provided by the utility model is as follows: when in work, a worker starts the motor 101 through the adjustment of the control switch group 3, the motor 101 rotates to drive the driving screw rod 8 to rotate, the driving screw rod 8 rotates to drive the driving gear 103 to rotate, the driving gear 103 rotates to drive the driven gear 102 to rotate, the driven gear 102 rotates to drive the driven screw rod 9 to rotate, thereby the single motor 101 can be used for driving the driving screw rod 8 and the driven screw rod 9 to be in opposite meshing, the economic value is better, the rotation amplitude during meshing is more synchronous, then the worker opens the feeding door 14 to feed the novel modified plastic raw materials into the whole formed by the upper shell 5 and the lower shell 6 of the charging barrel, each screw groove is formed between the driving screw rod 8 and the driven screw rod 9, the screw groove is filled after the novel modified plastic raw materials enter, the novel modified plastic raw materials are continuously pushed forwards in the rotating process and are compressed and mixed in the pushing process, the novel modified plastic raw material is rubbed with the whole body formed by the spiral groove, the upper shell 5 of the charging barrel and the lower shell 6 of the charging barrel at a high speed, the novel modified plastic raw material starts to dissolve, when passing through the heating area under the heating plate 18, the dissolution starts to be accelerated, the feeding port of the discharging mold 11 is aligned with the whole body formed by the upper shell 5 of the charging barrel and the lower shell 6 of the charging barrel, then the novel modified plastic raw material after dissolution is extruded into the discharging mold 11, finally is extruded from the discharging pipe 12, the temperature detector 71 transmits the detected temperature to the singlechip 72 in real time through an electric signal, when the temperature is too high, the singlechip 72 stops supplying power to the heating plate 18, meanwhile, the external water cooling equipment feeds cold water through the water inlet pipe 74, flows in the water cooling groove 73 and is discharged from the water outlet pipe 75, the inside of the equipment is cooled in the cold water flowing process, when the temperature is too low, the singlechip 72 resumes the power supply to the corresponding quantity of heating plates 18 according to the threshold value set by the program, thereby automatically regulating and controlling the temperature of the heating zone through water cooling, so that the temperature can not damage equipment due to overhigh temperature, and can not cause overlow dissolution efficiency due to overlow temperature, the manpower of workers is saved, and meanwhile, the equipment is kept at the optimal working efficiency.
It should be noted that, in the above embodiment, the motor 101 may be selected from YE2-80M1-2-0.75KW, the single-chip microcomputer 72 may be selected from STM32G070, the temperature detector 71 may be selected from GS1, and the control switch group 3 is provided with control buttons corresponding to the motor 101 and the single-chip microcomputer 72 one by one and used for controlling the switches thereof.
The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present utility model.
Claims (10)
1. Novel modified plastics twin-screw extruder, its characterized in that: comprises a base (1), a temperature control mechanism (7) and a power input mechanism (10);
Base (1): the front end of the upper surface of the feeding barrel is fixedly connected with a feeding barrel lower shell (6), the right end of the feeding barrel lower shell (6) is hinged with a feeding barrel upper shell (5) through a hinge, the left end and the right end of the inside of the feeding barrel upper shell (5) are respectively and rotatably connected with a driven screw (9) and a driving screw (8), the driving screw (8) is meshed with the driven screw (9), the driven screw (9) and the driving screw (8) are both matched and installed with an integral inner cavity formed by the feeding barrel upper shell (5) and the feeding barrel lower shell (6), and the rear end of the lower surface of the base (1) is fixedly connected with a mounting frame (2);
temperature control mechanism (7): the device is arranged at the lower end of the lower shell (6) of the charging barrel;
Power input mechanism (10): the power input mechanism (10) is arranged at the rear end of the upper surface of the base (1) and is respectively matched with the driving screw (8) and the driven screw (9);
Wherein: the heating plate (18) is uniformly and fixedly connected to the bottom wall of the mounting groove formed in the upper surface of the front end of the upper shell (5) of the charging barrel;
Wherein: the upper surface front end fixedly connected with ejection of compact mould (11) of base (1), ejection of compact mould (11) are all installed with feed cylinder inferior valve (6) and feed cylinder epitheca (5) cooperation, and the leading flank fixedly connected with discharging pipe (12) of ejection of compact mould (11), the inside intercommunication of discharging pipe (12) and ejection of compact mould (11).
2. The novel modified plastic twin-screw extruder according to claim 1, wherein: the left side of mounting bracket (2) fixedly connected with control switch group (3), the input of control switch group (3) is connected with external power source electricity.
3. The novel modified plastic twin-screw extruder according to claim 1, wherein: the temperature control mechanism (7) comprises a water cooling tank (73), a water inlet pipe (74) and a water outlet pipe (75), wherein the water cooling tank (73) is arranged inside the lower end of the lower shell (6) of the charging barrel, the water inlet pipe (74) is fixedly connected to the lower end of the rear side face of the lower shell (6) of the charging barrel, the water outlet pipe (75) is fixedly connected to the left side face of the front end of the lower shell (6) of the charging barrel, and the water outlet pipe (75) and the water inlet pipe (74) are both communicated with the water cooling tank (73).
4. The novel modified plastic twin-screw extruder according to claim 2, wherein: the temperature control mechanism (7) further comprises a temperature detector (71) and a singlechip (72), wherein the temperature detector (71) is fixedly connected inside a fixed groove formed in the upper surface of the middle end of the upper shell (5) of the charging barrel, the singlechip (72) is fixedly connected to the bottom wall of the mounting frame (2), the input end of the singlechip (72) is electrically connected with the output end of the control switch group (3), the singlechip (72) is electrically connected with the temperature detector (71) in a bidirectional manner, and the output end of the singlechip (72) is electrically connected with the input end of the heating plate (18).
5. The novel modified plastic twin-screw extruder according to claim 2, wherein: the power input mechanism (10) comprises a motor (101), a driven gear (102) and a driving gear (103), wherein the motor (101) is fixedly connected to the rear end of the upper surface of the base (1), the front end of an output shaft of the motor (101) is fixedly connected with the rear end of the driving screw (8), the driving gear (103) is fixedly sleeved on the rear end of the outer surface of the driving screw (8), the driven gear (102) is fixedly sleeved on the rear end of the outer surface of the driven screw (9), the driven gear (102) is meshed with the driving gear (103), and the input end of the motor (101) is electrically connected with the output end of the control switch group (3).
6. The novel modified plastic twin-screw extruder according to claim 1, wherein: the power input mechanism (10) further comprises a rotary supporting seat (104), the rotary supporting seat (104) is fixedly connected to the left side of the rear end of the upper surface of the base (1), and the inside of the rotary supporting seat (104) is rotationally connected with the rear end of the driven screw rod (9).
7. The novel modified plastic twin-screw extruder according to claim 1, wherein: the feeding port is formed in the rear end of the upper surface of the lower charging barrel shell (6), front-back symmetrical guide rails (13) are fixedly connected to the upper surface of the feeding port, feeding doors (14) are connected between the guide rails (13) in a sliding mode, the feeding doors (14) are mounted in a matched mode with the feeding port, and a first handle (15) is fixedly connected to the upper surface of the feeding door (14).
8. The novel modified plastic twin-screw extruder according to claim 1, wherein: the left end of the inner wall of the mounting groove is rotationally connected with a revolving door (16), the revolving door (16) is matched with the mounting groove, and the upper surface of the revolving door (16) is fixedly connected with a handle II (17).
9. The novel modified plastic twin-screw extruder according to claim 1, wherein: the left end of the upper shell (5) of the charging barrel is connected with the left end of the lower shell (6) of the charging barrel through a fixing bolt (19).
10. The novel modified plastic twin-screw extruder according to claim 1, wherein: the lower surface of the base (1) is fixedly connected with a supporting frame (4) which is uniformly distributed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323142534.1U CN221271968U (en) | 2023-11-21 | 2023-11-21 | Novel modified plastic double-screw extruder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323142534.1U CN221271968U (en) | 2023-11-21 | 2023-11-21 | Novel modified plastic double-screw extruder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221271968U true CN221271968U (en) | 2024-07-05 |
Family
ID=91697376
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323142534.1U Active CN221271968U (en) | 2023-11-21 | 2023-11-21 | Novel modified plastic double-screw extruder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221271968U (en) |
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2023
- 2023-11-21 CN CN202323142534.1U patent/CN221271968U/en active Active
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