Direct drive motor for drying cylinder of toilet paper machine and toilet paper machine

Abstract

The invention provides a toilet paper machine drying cylinder direct drive motor and a toilet paper machine, and relates to the technical field of toilet paper machine drying cylinder equipment. The toilet paper machine drying cylinder direct drive motor comprises a motor shell, an outer stator, an inner rotor and a rotor mounting base. The outer stator is fixedly arranged on the inner wall of the motor shell, the rotor mounting seat is rotatably arranged in the motor shell, the inner rotor is arranged on the rotor mounting seat, and the inner rotor is located on the inner side of the outer stator; a connecting hole used for being connected with a toilet paper machine drying cylinder rotating shaft is formed in the rotor mounting base. A static sealing ring is arranged on the motor shell, a rotary sealing ring is arranged on the rotor mounting seat, the static sealing ring and the rotary sealing ring are in sliding sealing, and the motor shell, the rotor mounting seat, the static sealing ring and the rotary sealing ring can define a sealing ring cavity for accommodating the outer stator and the inner rotor. The toilet paper machine comprises the toilet paper machine drying cylinder direct drive motor. The technical effect of improving the sealing effect of the driving motor is achieved.

Description

Technical Field

[0001] The present invention relates to the technical field of toilet paper machine drying cylinder equipment, and in particular to a toilet paper machine drying cylinder direct drive motor and a toilet paper machine. Background Art

[0002] With the development of economy and the progress of society, energy conservation has become inevitable and a consensus. The drive motors for dryer cylinders of tissue paper machines in the papermaking industry are increasingly developing in the direction of energy conservation, space conservation, safety and high efficiency.

[0003] In the prior art, the high-temperature steam pipeline of the toilet paper machine drying cylinder must pass through the inside of the motor, causing the drive motor to be in a high-temperature and high-humidity environment with a lot of dust. The stator and rotor are easily damaged by high-temperature and high-humidity and dust erosion, and the motor sealing effect of the prior art is poor. Summary of the invention

[0004] The object of the present invention is to provide a toilet paper machine drying cylinder direct drive motor and a toilet paper machine, so as to alleviate the technical problem of poor sealing effect of the drive motor in the prior art.

[0005] In a first aspect, an embodiment of the present invention provides a direct-drive motor for a dryer cylinder of a toilet paper machine, comprising a motor housing, an outer stator, an inner rotor and a rotor mounting seat;

[0006] The outer stator is fixedly arranged on the inner wall of the motor housing, the rotor mounting seat is rotatably arranged in the motor housing, the inner rotor is arranged on the rotor mounting seat, and the inner rotor is located on the inner side of the outer stator;

[0007] The rotor mounting seat is provided with a connection hole for connecting with the drying cylinder rotating shaft of the toilet paper machine;

[0008] A stationary sealing ring is arranged on the motor housing, and a rotating sealing ring is arranged on the rotor mounting seat. A sliding seal is provided between the stationary sealing ring and the rotating sealing ring. The motor housing, the rotor mounting seat, the stationary sealing ring and the rotating sealing ring can enclose a sealing ring cavity for accommodating the outer stator and the inner rotor.

[0009] In combination with the first aspect, an embodiment of the present invention provides a possible implementation of the first aspect, wherein the motor housing comprises a mounting base, a motor housing and a motor cover;

[0010] The motor housing is arranged between the mounting base and the motor cover.

[0011] In combination with the first aspect, an embodiment of the present invention provides a possible implementation of the first aspect, wherein an inner wall of the motor housing is provided with a stator mounting seat for mounting the outer stator.

[0012] In combination with the first aspect, an embodiment of the present invention provides a possible implementation of the first aspect, wherein an outer wall of the motor housing is provided with a cooling channel for cooling the outer stator.

[0013] In combination with the first aspect, an embodiment of the present invention provides a possible implementation of the first aspect, wherein the stationary sealing ring is provided on both the mounting base and the motor cover plate;

[0014] Both the mounting base and the motor cover plate are provided with heat dissipation holes which can be opposite to the stationary sealing ring.

[0015] In combination with the first aspect, an embodiment of the present invention provides a possible implementation of the first aspect, wherein both the mounting base and the motor cover plate are provided with a supporting bearing for supporting the rotor mounting seat.

[0016] In combination with the first aspect, an embodiment of the present invention provides a possible implementation of the first aspect, wherein the outer wall of the rotor mounting seat is provided with a rotor supporting plate for supporting the inner rotor;

[0017] The rotating sealing rings are arranged on both sides of the rotor supporting plate.

[0018] In combination with the first aspect, an embodiment of the present invention provides a possible implementation of the first aspect, wherein a first ventilation channel is provided on the rotor supporting plate;

[0019] The mounting base and the motor cover are both provided with a second ventilation channel.

[0020] In combination with the first aspect, an embodiment of the present invention provides a possible implementation of the first aspect, wherein heat dissipation blades are arranged in the first ventilation channel.

[0021] In a second aspect, an embodiment of the present invention provides a toilet paper machine, including the toilet paper machine drying cylinder direct drive motor.

[0022] Beneficial effects:

[0023] An embodiment of the present invention provides a direct-drive motor for a toilet paper machine drying cylinder, comprising a motor housing, an outer stator, an inner rotor and a rotor mounting seat; the outer stator is fixedly arranged on the inner wall of the motor housing, the rotor mounting seat is rotatably arranged in the motor housing, the inner rotor is arranged on the rotor mounting seat, and the inner rotor is located on the inner side of the outer stator; a connecting hole for connecting to a rotating shaft of a toilet paper machine drying cylinder is opened in the rotor mounting seat; a stationary sealing ring is arranged on the motor housing, and a rotating sealing ring is arranged on the rotor mounting seat, and a sliding seal is formed between the stationary sealing ring and the rotating sealing ring, and the motor housing, the rotor mounting seat, the stationary sealing ring and the rotating sealing ring can enclose a sealing ring cavity for accommodating the outer stator and the inner rotor.

[0024] Specifically, during use, the staff installs the toilet paper machine dryer cylinder direct-drive motor directly on the outside of the dryer cylinder, inserts the toilet paper machine dryer cylinder shaft into the rotor mounting seat, the toilet paper machine dryer cylinder shaft is keyed to the rotor mounting seat, and after the motor is started, the inner rotor can drive the dryer cylinder to work. A stationary sealing ring is provided on the motor housing, and a rotating sealing ring is provided on the rotor mounting seat. Through the cooperation of the stationary sealing ring and the rotating sealing ring, the outer stator and the inner rotor can be sealed and protected to reduce the impact of moisture or dust during later work.

[0025] The embodiment of the present invention provides a toilet paper machine, including a toilet paper machine drying cylinder direct drive motor. Compared with the prior art, the toilet paper machine has the above advantages, which will not be described in detail here. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] In order to more clearly illustrate the specific implementation methods of the present invention or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0027] Figure 1 A schematic diagram of the structure of a direct-drive motor for a toilet paper machine drying cylinder provided by an embodiment of the present invention;

[0028] Figure 2 A cross-sectional view of a direct-drive motor for a tissue machine drying cylinder provided by an embodiment of the present invention;

[0029] Figure 3 A schematic diagram of a mounting base in a direct-drive motor for a dryer cylinder of a toilet paper machine provided by an embodiment of the present invention;

[0030] Figure 4 A schematic diagram of a rotor mounting seat and an inner rotor in a toilet paper machine drying cylinder direct drive motor provided in an embodiment of the present invention.

[0031] icon:

[0032] 100 - motor housing; 110 - mounting base; 120 - motor housing; 121 - cooling channel; 130 - motor cover; 140 - heat dissipation hole; 150 - bearing support; 160 - second ventilation channel; 170 - protective mesh cover;

[0033] 200 - external stator;

[0034] 300 - inner rotor;

[0035] 400 - rotor mounting seat; 410 - rotor supporting plate; 420 - first ventilation channel; 430 - heat dissipation blades;

[0036] 500-Tissue machine drying cylinder shaft;

[0037] 610 - stationary sealing ring; 620 - rotating sealing ring. DETAILED DESCRIPTION

[0038] The technical solution of the present invention will be described clearly and completely below in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0039] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as limiting the present invention.

[0040] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present invention, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0041] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0042] The present invention is further described in detail below through specific embodiments in conjunction with the accompanying drawings.

[0043] See also Figure 1 , Figure 2 , Figure 3 and Figure 4 As shown, this embodiment provides a tissue machine drying cylinder direct drive motor, including a motor housing 100, an outer stator 200, an inner rotor 300 and a rotor mounting seat 400; the outer stator 200 is fixedly arranged on the inner wall of the motor housing 100, the rotor mounting seat 400 is rotatably arranged in the motor housing 100, the inner rotor 300 is arranged on the rotor mounting seat 400, and the inner rotor 300 is located on the inner side of the outer stator 200; a connecting hole for connecting with the tissue machine drying cylinder rotating shaft 500 is opened in the rotor mounting seat 400; a stationary sealing ring 610 is arranged on the motor housing 100, and a rotating sealing ring 620 is arranged on the rotor mounting seat 400, and a sliding seal is formed between the stationary sealing ring 610 and the rotating sealing ring 620, and the motor housing 100, the rotor mounting seat 400, the stationary sealing ring 610 and the rotating sealing ring 620 can enclose a sealing ring cavity for accommodating the outer stator 200 and the inner rotor 300.

[0044] Specifically, during use, the staff directly installs the toilet paper machine dryer cylinder direct drive motor on the outside of the dryer, inserts the toilet paper machine dryer cylinder shaft 500 into the rotor mounting seat 400, and the toilet paper machine dryer cylinder shaft 500 is keyed to the rotor mounting seat 400. After the motor is started, the inner rotor 300 can drive the dryer to work. A stationary sealing ring 610 is provided on the motor housing 100, and a rotating sealing ring 620 is provided on the rotor mounting seat 400. Through the cooperation of the stationary sealing ring 610 and the rotating sealing ring 620, the outer stator 200 and the inner rotor 300 can be sealed and protected to reduce the influence of moisture or dust during later work.

[0045] See also Figure 1 , Figure 2 , Figure 3 and Figure 4As shown, in an optional solution of this embodiment, the motor housing 100 includes a mounting base 110 , a motor housing 120 and a motor cover 130 ; the motor housing 120 is disposed between the mounting base 110 and the motor cover 130 .

[0046] Specifically, the motor housing 100 includes a mounting base 110 , a motor housing 120 and a motor cover 130 . One end of the motor housing 120 is sealedly connected to the mounting base 110 , and the other end of the motor housing 120 is sealedly connected to the motor cover 130 .

[0047] Among them, both the mounting base 110 and the motor cover 130 are provided with a supporting bearing 150 for carrying the rotor mounting seat 400. The rotor mounting seat 400 is installed on the supporting bearing 150, so that the inner rotor 300 drives the rotor mounting seat 400 to rotate relative to the motor housing 100, thereby driving the tissue machine dryer cylinder rotating shaft 500 arranged in the rotor mounting seat 400 to rotate, wherein the tissue machine dryer cylinder rotating shaft 500 is a hollow shaft, and a high-temperature air pipe can pass through the interior of the tissue machine dryer cylinder rotating shaft 500.

[0048] See also Figure 1 , Figure 2 , Figure 3 and Figure 4 As shown, in an optional solution of this embodiment, the inner wall of the motor housing 120 is provided with a stator mounting seat for mounting the outer stator 200 .

[0049] The outer wall of the motor housing 120 is provided with a cooling channel 121 for cooling the outer stator 200 .

[0050] Specifically, a cooling channel 121 is provided on the outer wall of the motor housing 120, and the cooling channel 121 can cool the outer stator 200 provided on the inner wall of the motor housing 120, so that the toilet paper machine dryer cylinder direct drive motor provided in this embodiment can receive better cooling and improve the service life.

[0051] See also Figure 1 , Figure 2 , Figure 3 and Figure 4 As shown, in an optional solution of this embodiment, a stationary sealing ring 610 is provided on both the mounting base 110 and the motor cover 130 ; and a heat dissipation hole 140 which can be opposite to the stationary sealing ring 610 is opened on both the mounting base 110 and the motor cover 130 .

[0052] Specifically, heat dissipation holes 140 are provided on both the mounting base 110 and the motor cover 130 , and the heat dissipation holes 140 correspond to the stationary sealing ring 610 , so that the airflow can directly blow onto the stationary sealing ring 610 to cool the stationary sealing ring 610 .

[0053] See also Figure 1 , Figure 2 , Figure 3 and Figure 4 As shown, in an optional solution of this embodiment, a first ventilation channel 420 is opened on the rotor supporting plate 410 ; and a second ventilation channel 160 is opened on both the mounting base 110 and the motor cover plate 130 .

[0054] Wherein, heat dissipation blades 430 are disposed in the first ventilation channel 420 .

[0055] The outer wall of the rotor mounting seat 400 is provided with a rotor supporting plate 410 for supporting the inner rotor 300 ; rotating sealing rings 620 are provided on both sides of the rotor supporting plate 410 .

[0056] Specifically, when the inner rotor 300 rotates, the inner rotor 300 can drive the rotor supporting plate 410 to rotate synchronously, and the rotor supporting plate 410 can drive the heat dissipation blades 430 located in the first ventilation channel 420 to rotate. The heat dissipation blades 430 can drive the airflow to sweep the first ventilation channel 420 and the second ventilation channel 160, thereby cooling the outer stator 200 and the inner rotor 300, and at the same time can cool the rotating sealing ring 620.

[0057] A protective mesh cover 170 is provided on both the mounting base 110 and the motor cover 130 , and the protective mesh cover 170 can protect the heat dissipation holes 140 and the second ventilation holes to prevent large-volume debris from entering the motor housing 100 .

[0058] This embodiment provides a toilet paper machine, including a toilet paper machine drying cylinder direct drive motor.

[0059] Specifically, the toilet paper machine provided in this embodiment has the advantages of the above-mentioned toilet paper machine drying cylinder direct drive motor compared with the prior art, which will not be described in detail here.

[0060] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or replace some or all of the technical features therein by equivalents. However, these modifications or replacements do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of the present invention.

Claims

1. A direct drive motor for a tissue machine drying cylinder, characterized in that: include: A motor housing (100), an outer stator (200), an inner rotor (300) and a rotor mounting seat (400); The outer stator (200) is fixedly arranged on the inner wall of the motor housing (100), the rotor mounting seat (400) is rotatably arranged in the motor housing (100), the inner rotor (300) is arranged on the rotor mounting seat (400), and the inner rotor (300) is located on the inner side of the outer stator (200); The rotor mounting seat (400) is provided with a connection hole for connecting with a toilet paper machine drying cylinder rotating shaft (500); The motor housing (100) is provided with a stationary sealing ring (610), and the rotor mounting seat (400) is provided with a rotating sealing ring (620). A sliding seal is formed between the stationary sealing ring (610) and the rotating sealing ring (620). The motor housing (100), the rotor mounting seat (400), the stationary sealing ring (610) and the rotating sealing ring (620) can enclose a sealing ring cavity for accommodating the outer stator (200) and the inner rotor (300).

2. The direct drive motor for a tissue machine drying cylinder according to claim 1, characterized in that: The motor housing (100) comprises a mounting base (110), a motor housing (120) and a motor cover plate (130); The motor housing (120) is arranged between the mounting base (110) and the motor cover plate (130).

3. The direct drive motor for a tissue machine drying cylinder according to claim 2, characterized in that: The inner wall of the motor housing (120) is provided with a stator mounting seat for mounting the outer stator (200).

4. The direct drive motor for a tissue machine drying cylinder according to claim 3, characterized in that: The outer wall of the motor housing (120) is provided with a cooling channel (121) for cooling the outer stator (200).

5. The direct drive motor for a tissue machine drying cylinder according to claim 2, characterized in that: The stationary sealing ring (610) is disposed on both the mounting base (110) and the motor cover plate (130); Both the mounting base (110) and the motor cover plate (130) are provided with heat dissipation holes (140) capable of facing the stationary sealing ring (610).

6. The direct drive motor for a tissue machine drying cylinder according to claim 2, characterized in that: A supporting bearing (150) for supporting the rotor mounting seat (400) is provided on both the mounting base (110) and the motor cover plate (130).

7. The direct drive motor for a tissue machine drying cylinder according to claim 2, characterized in that: The outer wall of the rotor mounting seat (400) is provided with a rotor supporting plate (410) for supporting the inner rotor (300); The rotating sealing rings (620) are arranged on both sides of the rotor supporting plate (410).

8. The direct drive motor for a tissue machine drying cylinder according to claim 7, characterized in that: The rotor supporting plate (410) is provided with a first ventilation channel (420); A second ventilation channel (160) is provided on both the mounting base (110) and the motor cover plate (130).

9. The direct drive motor for a tissue machine drying cylinder according to claim 8, characterized in that: Heat dissipation blades (430) are arranged in the first ventilation channel (420).

10. A toilet paper machine, characterized in that: It comprises the toilet paper machine drying cylinder direct drive motor as described in any one of claims 1 to 9.

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