CN216329937U - Double-screw extruder - Google Patents
Double-screw extruder Download PDFInfo
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- CN216329937U CN216329937U CN202122383641.8U CN202122383641U CN216329937U CN 216329937 U CN216329937 U CN 216329937U CN 202122383641 U CN202122383641 U CN 202122383641U CN 216329937 U CN216329937 U CN 216329937U
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- rotating shaft
- speed reducer
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Abstract
The utility model relates to a double-screw extruder which comprises a base, a motor, a speed reducer, a first screw, a second screw and a machine barrel, wherein the motor, the speed reducer, the first screw, the second screw and the machine barrel are arranged on the base, the motor is connected with the speed reducer, a feed inlet and a discharge outlet are formed in the machine barrel, the first screw and the second screw are arranged in the machine barrel, the output ends of the first screw and the second screw are arranged at the discharge outlet, the input ends of the first screw and the second screw are connected with the speed reducer, and the distance between the output ends of the first screw and the second screw is smaller than the distance between the input ends of the first screw and the second screw. The utility model can improve the mixing effect of the raw materials to ensure the quality of the extruded product.
Description
Technical Field
The utility model belongs to the technical field of extruders, and particularly relates to a double-screw extruder.
Background
The extruder needs to be used in the production process of the polyethylene wax, and materials can be fully plasticized and uniformly mixed through the extruder and are molded through the neck mold. However, the raw materials are not stirred and mixed before entering, and the dispersion uniformity of the twin-screw is poor, so that the dispersion and mixing among different raw materials are insufficient, and the extrusion quality cannot be ensured.
SUMMERY OF THE UTILITY MODEL
The technical problem to be solved by the utility model is to provide a double-screw extruder aiming at the defects, which can improve the mixing effect of raw materials so as to ensure the quality of extruded products.
The technical scheme adopted by the utility model for solving the technical problems is as follows:
the utility model provides a double screw extruder, includes the base to and set up motor, speed reducer, first screw rod, second screw rod and the barrel on the base, motor and speed reducer link to each other, are equipped with feed inlet and discharge gate on the barrel, and first screw rod and second screw rod set up in the barrel, and the output of first screw rod output and second screw rod all sets up in discharge gate department, and the input of first screw rod input and second screw rod all links to each other with the speed reducer, distance between the output of first screw rod output and second screw rod is less than the distance of the input of first screw rod input and second screw rod.
Furthermore, the speed reducer comprises a case, and a first rotating shaft, a second rotating shaft, a third rotating shaft, a fourth rotating shaft, a fifth rotating shaft, a first gear, a second gear, a third gear, a fourth gear, a fifth gear, a sixth gear and a seventh gear which are arranged in the case, wherein one end of the first rotating shaft is connected with the motor, the first gear is sleeved on the first rotating shaft, the second gear and the third gear are both sleeved on the second rotating shaft, the second gear is meshed with the first gear, the fourth gear and the fifth gear are both sleeved on the third rotating shaft, the fourth gear is meshed with the third gear, the sixth gear is sleeved on the fourth rotating shaft and is meshed with the fifth gear, and one end of the fourth rotating shaft is connected with the input end of the first screw rod, the seventh gear sleeve is arranged on the fifth rotating shaft and is meshed with the fifth gear, and one end of the fifth rotating shaft is connected with the input end of the second screw rod.
Further, still be equipped with the support on the base, fourth pivot and fifth pivot all link to each other with the support through the bearing, still link to each other through the strengthening rib between support and the base.
Furthermore, a plurality of supporting blocks are further arranged on the base, and the machine barrel is arranged on the supporting blocks.
Furthermore, a plurality of triangular reinforcing blocks are arranged on the side surface of the base.
The utility model has the beneficial effects that:
(1) according to the utility model, materials are loaded into the machine barrel from the feeding hole, the first screw and the second screw are driven by the motor 1 to rotate, and because the distance between the output end of the first screw and the output end of the second screw is smaller than the distance between the input end of the first screw and the input end of the second screw, a large amount of raw materials are accumulated at the input end of the screws, and then are scattered by the blades on the screws, and are transferred to the discharging hole, and the raw materials are continuously mixed in the moving process, and when the raw materials are moved to the discharging hole, the raw materials are uniformly mixed, so that the mixing effect is greatly improved, and the quality of extruded products is ensured.
(2) The speed reducer has the advantages of compact structure, high transmission efficiency and good safety.
Drawings
The foregoing and other objects, features, and advantages of the utility model will be apparent from the following detailed description taken in conjunction with the accompanying drawings.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the present invention with the barrel and support block omitted;
FIG. 3 is a schematic structural view of a reduction gearbox according to the present invention;
wherein: the device comprises a base 1, a motor 2, a speed reducer 3, a case 31, a first rotating shaft 32, a second rotating shaft 33, a third rotating shaft 34, a fourth rotating shaft 35, a fifth rotating shaft 36, a first gear 37, a second gear 38, a third gear 39, a fourth gear 310, a fifth gear 311, a sixth gear 312, a seventh gear 313, a first screw rod 4, a second screw rod 5, a machine barrel 6, a reinforcing block 7, a supporting block 8, a feeding hole 9, a discharging hole 10, a support 11 and reinforcing ribs 12.
Detailed Description
The utility model is further described below with reference to the accompanying drawings.
The twin-screw extruder shown in fig. 1 to 3 comprises a base 1, and a motor 2, a speed reducer 3, a first screw 4, a second screw 5 and a machine barrel 6 which are arranged on the base 1, wherein a plurality of triangular reinforcing blocks 7 are arranged on the side surface of the base 1. The motor 2 is connected with the speed reducer 3, a plurality of supporting blocks 8 are further arranged on the base 1, and the machine barrel 6 is arranged on the supporting blocks 8. Be equipped with feed inlet 9 and discharge gate 10 on the barrel 6, first screw rod 4 and second screw rod 5 set up in barrel 6, and the output of first screw rod 4 and second screw rod 5 all set up in discharge gate 10 department, and the input of first screw rod 4 and second screw rod 5 all links to each other with speed reducer 3, the distance between the output of first screw rod 4 and the output of second screw rod 5 is less than the distance of the input of first screw rod 4 and the input of second screw rod 5.
The speed reducer 3 comprises a chassis 31, and a first rotating shaft 32, a second rotating shaft 33, a third rotating shaft 34, a fourth rotating shaft 35, a fifth rotating shaft 36, a first gear 37, a second gear 38, a third gear 39, a fourth gear 310, a fifth gear 311, a sixth gear 312 and a seventh gear 313 which are arranged in the chassis 31, wherein one end of the first rotating shaft is connected with a motor, the first gear 37 is sleeved on the first rotating shaft 32, the second gear 38 and the third gear 39 are both sleeved on the second rotating shaft 33, the second gear 38 is meshed with the first gear 37, the fourth gear 310 and the fifth gear 311 are both sleeved on the third rotating shaft 34, the fourth gear 310 is meshed with the third gear 39, the sixth gear 312 is sleeved on the fourth rotating shaft 35 and is meshed with the fifth gear 311, one end of the fourth rotating shaft 310 is connected with an input end of a first screw rod 4, the seventh gear sleeve 313 is arranged on the fifth rotating shaft 36 and is meshed with the fifth gear 311, and one end of the fifth rotating shaft 36 is connected to the input end of the second screw 5.
Still be equipped with support 11 on the base 1, fourth pivot 35 and fifth pivot 36 all link to each other with support 11 through the bearing, still link to each other through strengthening rib 12 between support 11 and the base 1.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and all simple modifications and equivalent variations of the above embodiment according to the present invention are within the scope of the present invention.
Claims (5)
1. A twin-screw extruder, characterized in that: comprises a base, a motor, a speed reducer, a first screw, a second screw and a machine barrel, wherein the motor, the speed reducer, the first screw, the second screw and the machine barrel are arranged on the base, the motor is connected with the speed reducer, a feed inlet and a discharge outlet are arranged on the machine barrel, the first screw and the second screw are arranged in the machine barrel, the output ends of the first screw and the second screw are arranged at the discharge outlet, the input ends of the first screw and the second screw are connected with the speed reducer,
and the distance between the output end of the first screw and the output end of the second screw is smaller than the distance between the input end of the first screw and the input end of the second screw.
2. A twin screw extruder as defined in claim 1 wherein: the speed reducer comprises a case, and a first rotating shaft, a second rotating shaft, a third rotating shaft, a fourth rotating shaft, a fifth rotating shaft, a first gear, a second gear, a third gear, a fourth gear, a fifth gear, a sixth gear and a seventh gear which are arranged in the case, wherein one end of the first rotating shaft is connected with a motor, the first gear is sleeved on the first rotating shaft, the second gear and the third gear are both sleeved on the second rotating shaft, the second gear is meshed with the first gear, the fourth gear and the fifth gear are both sleeved on the third rotating shaft, the fourth gear is meshed with the third gear, the sixth gear is sleeved on the fourth rotating shaft and is meshed with the fifth gear, and one end of the fourth rotating shaft is connected with the input end of the first screw rod, the seventh gear sleeve is arranged on the fifth rotating shaft and is meshed with the fifth gear, and one end of the fifth rotating shaft is connected with the input end of the second screw rod.
3. A twin-screw extruder as defined in claim 2, wherein: the base is further provided with a support, the fourth rotating shaft and the fifth rotating shaft are connected with the support through bearings, and the support is connected with the base through reinforcing ribs.
4. A twin screw extruder as defined in claim 1 wherein: the base is also provided with a plurality of supporting blocks, and the machine barrel is arranged on the supporting blocks.
5. A twin screw extruder as defined in claim 1 wherein: and a plurality of triangular reinforcing blocks are arranged on the side surface of the base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122383641.8U CN216329937U (en) | 2021-09-29 | 2021-09-29 | Double-screw extruder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122383641.8U CN216329937U (en) | 2021-09-29 | 2021-09-29 | Double-screw extruder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216329937U true CN216329937U (en) | 2022-04-19 |
Family
ID=81173623
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122383641.8U Active CN216329937U (en) | 2021-09-29 | 2021-09-29 | Double-screw extruder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216329937U (en) |
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2021
- 2021-09-29 CN CN202122383641.8U patent/CN216329937U/en active Active
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