CN115549378A - Drive device and extruder - Google Patents
Drive device and extruder Download PDFInfo
- Publication number
- CN115549378A CN115549378A CN202211243115.4A CN202211243115A CN115549378A CN 115549378 A CN115549378 A CN 115549378A CN 202211243115 A CN202211243115 A CN 202211243115A CN 115549378 A CN115549378 A CN 115549378A
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- casing
- planet
- output shaft
- drive
- planet carrier
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- 230000005540 biological transmission Effects 0.000 claims abstract description 16
- 230000004308 accommodation Effects 0.000 claims abstract description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 43
- 238000007789 sealing Methods 0.000 claims description 15
- 239000003638 chemical reducing agent Substances 0.000 claims description 3
- 238000012423 maintenance Methods 0.000 abstract description 10
- 238000005265 energy consumption Methods 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/10—Structural association with clutches, brakes, gears, pulleys or mechanical starters
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- 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
- B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
- B29C48/395—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders
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- 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
- B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
- B29C48/50—Details of extruders
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/10—Structural association with clutches, brakes, gears, pulleys or mechanical starters
- H02K7/116—Structural association with clutches, brakes, gears, pulleys or mechanical starters with gears
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/10—Structural association with clutches, brakes, gears, pulleys or mechanical starters
- H02K7/116—Structural association with clutches, brakes, gears, pulleys or mechanical starters with gears
- H02K7/1163—Structural association with clutches, brakes, gears, pulleys or mechanical starters with gears where at least two gears have non-parallel axes without having orbital motion
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Mechanical Engineering (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The invention relates to the technical field of extruders and discloses a driving device and an extruder. The drive device includes: the permanent magnet motor comprises a first shell and a motor body arranged in the first shell; planetary gear reduction unit, including second casing, third casing and planet gear, the second casing with first casing fixed connection and with the third casing sets up relatively, planet gear be located by the second casing with in the accommodation space that forms between the third casing, just motor body with the transmission of planet gear is connected, planet gear and screw rod fixed connection. The driving device can reduce the occupied area and the maintenance cost.
Description
Technical Field
The invention relates to the technical field of extruders, in particular to a driving device and an extruder.
Background
Single screw extruders are one type of plastic machine that uniformly plasticizes plastic by rotating a single screw in a heated barrel to forward extrude the plastic from a hopper. The single screw rod is driven to rotate through a driving device, the driving device usually comprises an asynchronous motor and a cylindrical gear speed reducing mechanism, and the asynchronous motor and the cylindrical gear speed reducing mechanism are independently arranged and are in transmission connection through a coupler.
However, because the asynchronous motor and the cylindrical gear speed reducing mechanism are independently arranged, the whole weight of the driving device is heavier, and the occupied area is larger; meanwhile, because the asynchronous motor needs to be strictly maintained regularly, the failure probability of the cylindrical gear speed reducing mechanism is relatively high, frequent maintenance is also needed, and the maintenance cost is greatly increased.
Therefore, a driving device and an extruder are required to solve the above problems.
Disclosure of Invention
One object of the present invention is to provide a drive device that can reduce the floor space and the maintenance costs.
In order to achieve the purpose, the invention adopts the following technical scheme:
drive means for driving rotation of the screw, comprising:
the permanent magnet motor comprises a first shell and a motor body arranged in the first shell;
planetary gear reduction unit, including second casing, third casing and planet gear, the second casing with first casing fixed connection and with the third casing sets up relatively, planet gear be located by the second casing with in the accommodation space that forms between the third casing, just motor body with the transmission of planet gear is connected, planet gear with screw rod fixed connection.
Further, the motor body includes:
the stator is fixedly arranged in the first shell, the rotor is located on the inner side of the stator, the motor output shaft is fixedly arranged on the rotor in a penetrating mode, and the motor output shaft is in transmission connection with the planetary speed reducer.
Further, the driving device further comprises a controller for controlling the rotation speed of the rotor.
Further, the planetary reduction gear includes:
the motor output shaft is in transmission connection with the sun wheel through an inner gear sleeve, one end of the planet wheel is meshed with the sun wheel, the other end of the planet wheel is meshed with the inner gear ring, the inner gear ring is fixedly arranged between the second shell and the third shell, one end of the planet carrier is located in the accommodating space, the other end of the planet carrier penetrates through the third shell and extends outwards, the planet wheel is arranged on the planet carrier and can drive the planet carrier to rotate, and the planet carrier is fixedly connected with the screw rod.
Further, the planetary reduction gear further includes:
a thrust bearing disposed between the planet carrier and the second housing.
Further, the inside of motor output shaft is hollow structure, drive arrangement still includes:
circulating pipe, circulating pipe rotates to set up in the hollow structure, circulating pipe follows the length direction of motor output shaft extends, circulating pipe's one end with planet carrier fixed connection, the other end with motor output shaft sealing connection.
Furthermore, one end of the circulating water pipe is fixedly connected with the planet carrier through a fastener, a sealing element is arranged between the other end of the circulating water pipe and the output shaft of the motor, and an end cover is arranged on the sealing element in an upward pressing mode.
Further, the driving device further includes:
the rotary joint is connected with the other end of the circulating water pipe, the circulating water pipe can rotate relative to the rotary joint, and the rotary joint is used for connecting circulating water into the circulating water pipe and discharging the circulating water in the circulating water pipe.
Furthermore, two water flow channels which are arranged in parallel and at intervals are formed on the inner side of the circulating water pipe.
Another object of the invention is to propose an extruder which is compact, small and inexpensive to maintain.
In order to achieve the purpose, the invention adopts the following technical scheme:
extruder comprising a screw and a drive as described above for driving the screw in rotation.
The invention has the beneficial effects that:
the permanent magnet motor comprises a first shell and a motor body arranged in the first shell, the planetary gear speed reducing mechanism comprises a second shell, a third shell and a planetary speed reducing part, the second shell is fixedly connected with the first shell, the second shell and the third shell are oppositely arranged to form an accommodating space for accommodating the planetary speed reducing part, the motor body is in transmission connection with the planetary speed reducing part, and the planetary speed reducing part is fixedly connected with the screw rod, so that the motor body drives the planetary speed reducing part to rotate, and the planetary speed reducing part drives the screw rod to rotate after speed reduction and torque increase, and normal use of the extruder is ensured; in this way, the permanent magnet motor and the planetary gear speed reducing mechanism can be integrated into a whole structure, so that the number of shells required when the permanent magnet motor and the planetary gear speed reducing mechanism are independently arranged can be reduced, the number of parts required when the permanent magnet motor and the planetary gear speed reducing mechanism are independently packaged can be reduced, and the whole weight of the driving device can be lighter and the occupied area is smaller; meanwhile, compared with an asynchronous motor, the permanent magnet motor does not need strict regular maintenance; and because the working stability of the planetary gear speed reducing mechanism adopting the planetary structure is higher, the failure probability of the planetary gear speed reducing mechanism is relatively lower, and the planetary gear speed reducing mechanism does not need to be maintained frequently, thereby greatly reducing the maintenance cost.
Drawings
FIG. 1 is a cross-sectional view of a drive arrangement provided by the present invention;
FIG. 2 is an enlarged partial schematic view at A of FIG. 1;
fig. 3 is a partially enlarged schematic view at B in fig. 1.
Reference numerals:
1-a permanent magnet motor; 11-a first housing; 12-a stator; 13-a rotor; 14-a motor output shaft;
2-a planetary gear reduction mechanism; 21-a second housing; 22-a third housing; 23-an accommodation space; 24-a sun gear; 25-inner gear sleeve; 26-a planet wheel; 27-ring gear; 28-a planet carrier; 29-a thrust bearing;
3-a controller; 4-a circulating water pipe; 5-a fastener; 6-a seal; 7-end cap; 8-rotating joint.
Detailed Description
In order to make the technical problems solved, the technical solutions adopted and the technical effects achieved by the present invention clearer, the technical solutions of the present invention are further described below by way of specific embodiments with reference to the accompanying drawings.
In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, removably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
In the description of the present embodiment, the terms "upper", "lower", "left", "right", and the like are used based on the orientations and positional relationships shown in the drawings only for convenience of description and simplification of operation, and do not indicate or imply that the structures or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.
A screw in the extruder needs to be driven to rotate by a driving device; the existing driving device generally comprises an asynchronous motor and a cylindrical gear speed reducing mechanism, wherein the asynchronous motor and the cylindrical gear speed reducing mechanism are independently arranged and are in transmission connection through a coupler; however, the asynchronous motor and the cylindrical gear speed reducing mechanism are independently arranged, so that the whole weight of the driving device is heavier, and the occupied area is larger; meanwhile, because the asynchronous motor needs to be strictly maintained regularly, the failure probability of the cylindrical gear speed reducing mechanism is relatively high, frequent maintenance is also needed, and the maintenance cost is greatly increased.
For this reason, the present embodiment proposes a driving device and an extruder including the driving device. Wherein, the extruder still includes the screw rod, and drive arrangement is connected with the screw rod drive to be used for the drive screw rod rotatory, thereby guarantee the normal use function of extruder. The extruder in this example is specifically a single screw high pressure extruder.
Specifically, as shown in fig. 1, the drive device includes a permanent magnet motor 1 and a planetary gear reduction mechanism 2; the permanent magnet motor 1 comprises a first shell 11 and a motor body arranged in the first shell 11; the planetary gear reduction mechanism 2 includes a second housing 21, a third housing 22 and a planetary reduction gear, the second housing 21 is fixedly connected to the first housing 11 and is disposed opposite to the third housing 22, the planetary reduction gear is located in an accommodating space 23 formed between the second housing 21 and the third housing 22, a motor body is in transmission connection with the planetary reduction gear, the planetary reduction gear is fixedly connected to the screw, and the motor body is used for driving the planetary reduction gear to rotate so that the planetary reduction gear drives the screw to rotate.
Compared with the prior art, the driving device in the embodiment changes the connection mode between the motor and the speed reducing mechanism; the permanent magnet motor 1 comprises a first shell 11 and a motor body arranged in the first shell 11, the planetary gear speed reducing mechanism 2 comprises a second shell 21, a third shell 22 and a planetary speed reducing part, the second shell 21 is fixedly connected with the first shell 11, the second shell 21 and the third shell 22 are oppositely arranged to form an accommodating space 23 for placing the planetary speed reducing part, meanwhile, the motor body is in transmission connection with the planetary speed reducing part, and the planetary speed reducing part is fixedly connected with the screw rod, so that the motor body drives the planetary speed reducing part to rotate, the planetary speed reducing part drives the screw rod to rotate after speed reduction and torque increase, and normal use of the extruder is guaranteed; in this way, the permanent magnet motor 1 and the planetary gear reduction mechanism 2 can be integrated into one integral structure to reduce the number of cases required when the permanent magnet motor 1 and the planetary gear reduction mechanism 2 are independently provided, and the number of parts required when the permanent magnet motor 1 and the planetary gear reduction mechanism 2 are individually packaged can be reduced, so that the overall weight of the drive device can be made lighter and the floor space can be made smaller.
Meanwhile, compared with the prior art, the driving device in the embodiment also changes the types of the motor and the speed reducing mechanism, and adopts the permanent magnet motor 1 and the planetary gear speed reducing mechanism 2; as the permanent magnet machine 1 does not require strict regular maintenance with respect to the asynchronous machines of the prior art; the working stability of the planetary gear speed reducing mechanism 2 adopting the planetary structure is high, so that the failure probability of the planetary gear speed reducing mechanism 2 is relatively low, and the planetary gear speed reducing mechanism 2 does not need to be maintained frequently, so that the maintenance cost is greatly reduced; in addition, the permanent magnet motor 1 also has the characteristics of flexible rotation speed adjustment, small starting current, low energy consumption and high transmission efficiency, so that the energy consumption of the whole driving device is low and the transmission efficiency is high; the planetary gear reduction mechanism 2 can greatly reduce the rotation speed of the motor output shaft 14 and increase the torque.
Because the extruder adopts the driving device to drive the screw rod to rotate, the use requirements of the extruder, such as high stability, energy conservation, large output torque force and low rotating speed, can be well matched through the matching between the permanent magnet motor 1 and the planetary gear speed reducing mechanism 2 in the driving device.
Further, as shown in fig. 1, the motor body includes a stator 12, a rotor 13 and a motor output shaft 14; the stator 12 is fixedly arranged in the first housing 11 through bolts, the rotor 13 is positioned inside the stator 12, the stator 12 is electrified to enable the stator 12 to generate a rotating magnetic field, and the rotor 13 is cut by magnetic lines of force in the rotating magnetic field to generate output current so as to enable the rotor 13 to rotate; the motor output shaft 14 is fixedly arranged on the inner side of the rotor 13 in a penetrating mode, and the motor output shaft 14 is in transmission connection with the planetary speed reducer. Wherein, the motor output shaft 14 is fixedly connected with the rotor 13 through a spline. The stator 12 and the rotor 13 in this embodiment are both common structures in a permanent magnet motor in the prior art, and detailed descriptions of specific structures and working principles of the stator 12 and the rotor 13 are omitted here.
Specifically, as shown in fig. 1, the driving apparatus further includes a controller 3, and the controller 3 is configured to control the magnitude of the energizing current supplied to the stator 12, thereby controlling the generated output current to control the rotation speed of the rotor 13, and thus the rotation speed of the motor output shaft 14. The controller 3 in this embodiment is a control structure that is common in the prior art, and the detailed description of the control principle of the controller 3 is omitted here.
Further, as shown in fig. 1, the planetary reduction gear includes a sun gear 24, a planetary gear 26, a ring gear 27, and a carrier 28; one end of the motor output shaft 14 is in transmission connection with the sun gear 24 through an inner gear sleeve 25, one end of the planet gear 26 is meshed with the sun gear 24, the other end of the planet gear 26 is meshed with an inner gear ring 27, the inner gear ring 27 is fixedly arranged between the second shell 21 and the third shell 22, namely one end of the inner gear ring 27 is fixedly connected with the second shell 21, and the other end of the inner gear ring 27 is fixedly connected with the third shell 22; one end of the planet carrier 28 is located in the accommodating space 23, the other end of the planet carrier 28 passes through the third casing 22 and extends outwards, and the planet carrier 28 can rotate relative to the second casing 21 and the third casing 22; the planet wheel 26 is arranged on a planet carrier 28, and the planet wheel 26 can drive the planet carrier 28 to rotate, and the planet carrier 28 is fixedly connected with the screw rod so as to drive the screw rod to rotate through the planet carrier 28.
When it is necessary to rotate the screw, first, the controller 3 is caused to control the energization current supplied to the stator 12 in accordance with the specific rotation demand of the screw to energize the stator 12; thereafter, the magnetic field of the stator 12 interacts with the magnetic field of the rotor 13 to generate an output current to enable the rotor 13 to rotate; then, the rotor 13 drives the motor output shaft 14 to rotate, the motor output shaft 14 transmits the rotation torque to the inner gear sleeve 25, the inner gear sleeve 25 drives the sun gear 24 to rotate, the sun gear 24 drives the planet gear 26 to rotate, the planet gear 26 drives the planet carrier 28 to rotate, and the planet carrier 28 drives the screw to rotate, so that the rotation of the screw can be realized through the driving device.
Specifically, during rotation of the screw, the screw generates a large axial load on the planet carrier 28; for this reason, as shown in fig. 1, the planetary reduction gear further includes a thrust bearing 29, and the thrust bearing 29 is disposed between the carrier 28 and the second housing 21, so that an axial load generated on the carrier 28 by the screw can be received by the thrust bearing 29, and the axial load can be transmitted to the second housing 21 and the first housing 11 by the thrust bearing 29 without being transmitted to the motor output shaft 14, and thus a normal rotation of the motor output shaft 14 can be ensured, so that the reliability of the entire drive device is high. The thrust bearing 29 is a special bearing for receiving an axial force.
Further, as shown in fig. 1, the inside of the motor output shaft 14 is a hollow structure; drive arrangement still includes circulating pipe 4, and circulating pipe 4 rotates and sets up in hollow structure, and circulating pipe 4 extends along motor output shaft 14's length direction, and circulating pipe 4's one end and planet carrier 28 fixed connection, circulating pipe 4's the other end and motor output shaft 14 sealing connection, and circulating pipe 4 is used for providing the circulating water to guarantee the demand of extruder to water in the use.
The planet carrier 28 drives the circulating water pipe 4 to rotate, so that the circulating water in the circulating water pipe 4 has good fluidity; and the circulating water pipe 4 is provided inside the motor output shaft 14 to enable the structure of the driving apparatus to be simple. Wherein, two water flow channels which are arranged in parallel and at intervals are formed at the inner side of the circulating water pipe 4, wherein one water flow channel is used for the inflow of circulating water, and the other water flow channel is used for the outflow of circulating water.
Specifically, as shown in fig. 1 and 2, one end of the circulating water pipe 4 is fixedly connected with the planet carrier 28 through the fastener 5; wherein the fastener 5 is specifically a screw; moreover, as shown in fig. 1 and 3, a sealing member 6 is disposed between the other end of the circulating water pipe 4 and the motor output shaft 14, and an end cover 7 is disposed on the sealing member 6 in a pressing manner, so as to ensure the sealing property between the circulating water pipe 4 and the motor output shaft 14, prevent circulating water in the circulating water pipe 4 from flowing to the motor output shaft 14 and affecting the usability of the motor output shaft 14, further protect the motor output shaft 14 well, and further improve the reliability of the driving device. Wherein, the sealing element 6 can be a sealing ring or other sealing structures; and the number of the sealing members 6 and the end covers 7 is not limited as long as the sealing between the circulating water pipe 4 and the motor output shaft 14 can be realized.
Further, as shown in fig. 1, the driving device further includes a rotary joint 8, the rotary joint 8 can penetrate through the end cover 7 to be connected with one end of the circulating water pipe 4, which is not connected with the planet carrier 28, the circulating water pipe 4 can rotate relative to the rotary joint 8, and when the circulating water pipe 4 is in a rotating state, the rotary joint 8 can be connected into the circulating water pipe 4 and can discharge the circulating water in the circulating water pipe 4, so that the circulating water can be circulated. Wherein, the rotary joint 8 is a sealed rotary connector for conveying circulating water in a 360-degree rotary mode. The rotary joint 8 in this embodiment is a rotary joint structure commonly found in the prior art, and the working principle of the rotary joint 8 is not described in detail herein.
The above description is only a preferred embodiment of the present invention, and it should not be understood that the present invention is limited to the details of the embodiment and the range of applications, which can be changed by those skilled in the art according to the spirit of the present invention.
Claims (10)
1. Drive arrangement for the drive screw rotates, its characterized in that includes:
the permanent magnet motor (1) comprises a first shell (11) and a motor body arranged in the first shell (11);
planetary gear reduction (2), including second casing (21), third casing (22) and planet gear, second casing (21) with first casing (11) fixed connection and with third casing (22) set up relatively, planet gear be located by second casing (21) with in accommodation space (23) that form between third casing (22), just motor body with planet gear transmission is connected, planet gear with screw rod fixed connection.
2. The drive device according to claim 1, wherein the motor body includes:
stator (12), rotor (13) and motor output shaft (14), stator (12) fixed setting in first casing (11), rotor (13) are located stator (12) inboard, motor output shaft (14) are fixed wear to establish to rotor (13), motor output shaft (14) with planetary gear reducer transmission is connected.
3. A drive arrangement according to claim 2, characterised in that the drive arrangement further comprises a controller (3), the controller (3) being adapted to control the rotational speed of the rotor (13).
4. A drive arrangement as claimed in claim 2, in which the epicyclic reduction comprises:
the motor comprises a sun wheel (24), a planet wheel (26), an inner gear ring (27) and a planet carrier (28), wherein a motor output shaft (14) is in transmission connection with the sun wheel (24) through an inner gear sleeve (25), one end of the planet wheel (26) is meshed with the sun wheel (24), the other end of the planet wheel (26) is meshed with the inner gear ring (27), the inner gear ring (27) is fixedly arranged between the second shell (21) and the third shell (22), one end of the planet carrier (28) is located in the accommodating space (23), the other end of the planet carrier (28) penetrates through the third shell (22) and extends outwards, the planet wheel (26) is arranged on the planet carrier (28), the planet wheel (26) can drive the planet carrier (28) to rotate, and the planet carrier (28) is fixedly connected with the screw rod.
5. The drive of claim 4, wherein the planetary reduction further comprises:
a thrust bearing (29), the thrust bearing (29) being disposed between the planet carrier (28) and the second housing (21).
6. The drive of claim 4, wherein the motor output shaft (14) is hollow inside, the drive further comprising:
circulating pipe (4), circulating pipe (4) rotate to be set up in the hollow structure, circulating pipe (4) are followed the length direction of motor output shaft (14) extends, the one end of circulating pipe (4) with planet carrier (28) fixed connection, the other end with motor output shaft (14) sealing connection.
7. The drive device according to claim 6, characterized in that one end of the circulating water pipe (4) is fixedly connected with the planet carrier (28) through a fastener (5), a sealing element (6) is arranged between the other end of the circulating water pipe (4) and the motor output shaft (14), and an end cover (7) is pressed on the sealing element (6).
8. The drive of claim 6, further comprising:
rotary joint (8), rotary joint (8) with circulating pipe (4) the other end is connected, circulating pipe (4) can for rotary joint (8) is rotatory, rotary joint (8) are used for inserting circulating water to in circulating pipe (4) and with circulating water in circulating pipe (4) is discharged.
9. The drive device according to any one of claims 6 to 8, characterized in that two water flow channels arranged in parallel and at a distance are formed inside the circulating water pipe (4).
10. Extruder, characterized in that it comprises a screw and a drive device according to any one of claims 1-9 for driving the screw in rotation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211243115.4A CN115549378A (en) | 2022-10-11 | 2022-10-11 | Drive device and extruder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211243115.4A CN115549378A (en) | 2022-10-11 | 2022-10-11 | Drive device and extruder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115549378A true CN115549378A (en) | 2022-12-30 |
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ID=84732982
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211243115.4A Pending CN115549378A (en) | 2022-10-11 | 2022-10-11 | Drive device and extruder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115549378A (en) |
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| CN102762306A (en) * | 2010-02-23 | 2012-10-31 | 奥图泰有限公司 | Flotation machine |
| CN104494104A (en) * | 2014-12-12 | 2015-04-08 | 南京肯特复合材料有限公司 | Vertical type extruding machine |
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