CN219129428U - Direct-drive sand mill - Google Patents
Direct-drive sand mill Download PDFInfo
- Publication number
- CN219129428U CN219129428U CN202222077380.1U CN202222077380U CN219129428U CN 219129428 U CN219129428 U CN 219129428U CN 202222077380 U CN202222077380 U CN 202222077380U CN 219129428 U CN219129428 U CN 219129428U
- Authority
- CN
- China
- Prior art keywords
- motor
- shell
- sand mill
- rotor
- output shaft
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
The utility model relates to a direct-drive sand mill, which comprises: a base; a sander housing disposed on the base; the motor is horizontally arranged on the base and is positioned at one side of the sand mill shell; an output shaft of the motor horizontally penetrates through the shell and is fixedly connected with the inner rotor of the sand mill shell; the motor is adopted to directly drive, the output shaft of the motor is inserted into the shell of the sander and is fixedly connected with the inner rotor of the sander, so that the rotor is rotated, a bearing seat and a belt wheel are omitted, the transmission shaft, a transmission bearing and other parts are omitted, structural parts such as a belt wheel, a motor wheel, a belt and a housing are omitted, the occupied space is reduced, noise caused by a triangular belt is reduced, the mechanism of the sander is simplified, and the transmission efficiency of the sander is improved.
Description
Technical Field
The utility model relates to a sand mill, in particular to a direct-drive sand mill.
Background
The traditional transmission mode of the sand mill is formed by tightly sleeving one or more belts on two wheels (called as 'belt pulleys'); two wheels are respectively arranged on an output shaft and a driven shaft of the motor; the friction between the belt and the two wheels is utilized to transmit motion and power; the structure is complex, and the motor, the motor wheel, the belt pulley and the transmission shaft bearing seat are arranged. And the transmission efficiency is poor, the noise generated by the belt is large, and the occupied space is large.
In summary, how to simplify the transmission structure of the sand mill is an urgent problem to be solved by researchers in the field.
Disclosure of Invention
The utility model aims to solve the technical problems that: how to simplify the transmission structure of the sand mill;
in order to solve the technical problems, the utility model adopts the following technical scheme:
the utility model relates to a direct-drive sand mill, which comprises: a base; a sander housing disposed on the base; the motor is horizontally arranged on the base and is positioned at one side of the sand mill shell; an output shaft of the motor horizontally penetrates through the shell and is fixedly connected with the inner rotor of the sand mill shell;
in this scheme, adopt the mode that the motor directly drives, insert the casing of sand mill through the output shaft of motor, with sand mill inner rotor fixed connection, realized the rotation of rotor, the mode of directly driving like this is saved bearing frame, band pulley promptly, including parts such as transmission shaft and drive bearing, save the structural component again like belt pulley, motor wheel, belt, housing etc. reduced occupation space, also reduced the noise that the V belt brought, simplified the mechanism of sand mill, improved sand mill's availability factor.
How to realize cooling when the motor runs, the utility model adopts the motor to comprise: a motor housing; the cooling sleeve is sleeved outside the motor shell and forms a sealed cooling cavity with the motor shell; the partition plates are axially and equally arranged in the cooling cavity along the motor shell; when one end part of one partition plate and the head part of the motor shell form a flow hole, the end part of the other adjacent partition plate and the tail part of the motor shell form a flow hole; a baffle plate disposed within the cooling chamber and dividing the cooling chamber; the water inlet is formed in the outer wall of the motor shell and is positioned above the baffle; the water outlet is formed in the outer wall of the motor shell and is positioned below the baffle plate;
the cooling jacket is sleeved outside the motor shell to form a cooling cavity, the partition plates are positioned in the cooling cavity to form cooling channels, the cooling channels are communicated through circulation holes, the circulation holes are alternately formed in the head or tail of the motor, so that cooling water can alternately pass through the axis scheme of the motor shell in a reversing way, exchange heat with the motor shell, and finally flow out of the water outlet.
How to realize the positioning and mounting of the rotor on the motor output shaft, the utility model adopts the structure that the motor output shaft is provided with a step surface, and one end of the rotor is propped against the step surface; an end cover is fixed on the end face of the motor output shaft and is fixedly connected with the other end of the rotor;
in this scheme, the tip of rotor offsets with the step face of output shaft, can realize the location of rotor like this, carries out fixed connection through the end cover between the other end tip of output shaft and the rotor, can transmit the turning force of output shaft to the rotor through the end cover like this, realizes the rotation of rotor.
In order to facilitate the positioning and mounting of the end cover, the utility model adopts the positioning connection of the end cover and the convex step surface at the other end of the rotor;
that is, the inner side surface of the end cover is provided with a groove, and the rotor end surface is convexly provided with a step surface matched with the groove surface, so that the end cover can be positioned and installed.
The utility model has the beneficial effects that: the utility model relates to a direct-drive sand mill, which has the following advantages:
(1) the installation is convenient; the bearing seat, the large belt pulley and the small belt pulley are omitted, and the bearing seat, the large belt pulley and the small belt pulley comprise a transmission shaft and a transmission bearing;
(2) the cost is reduced; a large number of structural components, belt pulleys, motor wheels, belts, covers and the like are omitted;
(3) the energy consumption is saved; compared with the original belt transmission, the water-cooling direct-drive compound motor with the novel structure can improve the energy efficiency utilization rate by 5% -12%, and can eliminate the energy loss caused by the traditional belt transmission;
(4) providing a space utilization rate; the new structure uses smaller occupied space and provides the space position for the use of the field;
(5) noise reduction: because the direct drive has no belt wheel, the noise brought by the V-belt is reduced.
Drawings
The utility model will be further described with reference to the drawings and examples.
FIG. 1 is a cross-sectional view of the present utility model;
FIG. 2 is a front view of the motor of the present utility model;
FIG. 3 is a schematic view of a motor of the present utility model with a cooling jacket omitted;
in the figure: 1-base, 2-sand mill casing, 3-motor, 4-output shaft, 5-rotor, 6-motor casing, 7-cooling jacket, 8-baffle, 9-flow hole, 10-baffle, 11-water inlet, 12-delivery port, 13-step face, 14-end cover.
Detailed Description
The utility model will now be described in further detail with reference to the accompanying drawings. The drawings are simplified schematic representations which merely illustrate the basic structure of the utility model and therefore show only the structures which are relevant to the utility model.
Example 1
As shown in fig. 1, the present utility model is a direct-drive sand mill, comprising: a base 1; a sand mill housing 2 provided on the base 1; a motor 3 horizontally arranged on the base 1 and positioned at one side of the sand mill shell 2; an output shaft 4 of the motor 3 horizontally penetrates through the sand mill shell 2 and is fixedly connected with an inner rotor 5 of the sand mill shell 2;
in the embodiment, a motor direct driving mode is adopted, an output shaft of the motor is inserted into a shell of the sander and is fixedly connected with an inner rotor of the sander, so that the rotation of the rotor is realized, the direct driving mode is realized, namely, a bearing seat and a belt wheel are omitted, the components such as a transmission shaft, a transmission bearing and the like are omitted, structural components such as the belt wheel, the motor wheel, a belt and a housing are omitted, the occupied space is reduced, noise caused by a triangular belt is reduced, the mechanism of the sander is simplified, and the service efficiency of the sander is improved;
in addition, the motor in the scheme can adopt permanent magnet, synchronous, asynchronous and other types of motors.
Example 2
As shown in fig. 2-3, how cooling is achieved when the motor is running, the present utility model employs a motor comprising: a motor housing 6; a cooling jacket 7 which is fitted over the motor housing 6 and forms a sealed cooling chamber with the motor housing 6; a partition plate 8 axially and equally arranged in the cooling chamber along the motor housing 6; when one of the end portions of the partition plate 8 and the head portion of the motor housing 6 form a flow hole 9, the end portion of the adjacent other partition plate 8 and the tail portion of the motor housing 6 form a flow hole 9; a baffle 10 disposed within the cooling chamber and dividing the cooling chamber; a water inlet 11 which is arranged on the outer wall of the motor shell 6 and is positioned above the baffle 10; a water outlet 12 which is arranged on the outer wall of the motor shell 6 and is positioned below the baffle 10;
the cooling sleeve is sleeved outside the motor shell to form a cooling cavity, the partition plates are positioned in the cooling cavity to form cooling channels, the cooling channels are communicated through circulation holes, the circulation holes are alternately arranged at the head or the tail of the motor, so that cooling water can exchange heat with the motor shell by reversing the axial line embodiment of the motor shell, and finally flows out of the water outlet.
Example 3
As shown in fig. 1, how to realize positioning and mounting of a rotor on an output shaft of a motor, the utility model adopts the structure that a stepped surface 13 is arranged on an output shaft 4 of a motor 3, and one end of a rotor 5 is propped against the stepped surface 13; an end cover 14 is fixed on the end face of the output shaft 4 of the motor 3, and the end cover 14 is fixedly connected with the other end of the rotor 5;
in this embodiment, the end portion of the rotor abuts against the stepped surface of the output shaft, so that the rotor can be positioned, and the other end portion of the output shaft is fixedly connected to the rotor through the end cover. The end cover can realize the fixed connection of output shaft and rotor, can transmit the turning force of output shaft to the rotor through key, the end cover on the output shaft, realize the rotation of rotor.
Example 4
As shown in fig. 1, in order to facilitate positioning and installation of the end cover, the utility model adopts the end cover 14 to be in positioning connection with the step surface 13 protruding from the other end of the rotor 5;
that is, the inner side surface of the end cover is provided with a groove, the rotor end surface is convexly provided with a step surface matched with the groove surface, and thus, the positioning and the installation of the end cover can be realized.
With the above-described preferred embodiments according to the present utility model as an illustration, the above-described descriptions can be used by persons skilled in the relevant art to make various changes and modifications without departing from the scope of the technical idea of the present utility model. The technical scope of the present utility model is not limited to the description, but must be determined according to the scope of claims.
Claims (3)
1. A direct drive sander, comprising:
a base;
a sander housing disposed on the base;
the motor is horizontally arranged on the base and is positioned at one side of the sand mill shell;
an output shaft of the motor horizontally penetrates through the sand mill shell and is fixedly connected with an inner rotor of the sand mill shell;
the motor includes:
a motor housing;
the cooling sleeve is sleeved outside the motor shell and forms a sealed cooling cavity with the motor shell;
the partition plate is axially and equally arranged in the cooling cavity along the motor shell;
when one end part of the partition plate and the head part of the motor shell form a flow hole, the other adjacent end part of the partition plate and the tail part of the motor shell form a flow hole;
a baffle plate disposed within the cooling chamber and dividing the cooling chamber;
the water inlet is formed in the outer wall of the motor shell and is positioned above the baffle;
the water outlet is formed in the outer wall of the motor shell and is positioned below the baffle.
2. The direct-drive sand mill according to claim 1, wherein a stepped surface is arranged on an output shaft of the motor, and one end of the rotor abuts against the stepped surface;
an end cover is fixed on the end face of the motor output shaft and is fixedly connected with the other end of the rotor.
3. The direct drive sander of claim 2, wherein the end cap is in positioning connection with a raised step surface at the other end of the rotor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222077380.1U CN219129428U (en) | 2022-08-08 | 2022-08-08 | Direct-drive sand mill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222077380.1U CN219129428U (en) | 2022-08-08 | 2022-08-08 | Direct-drive sand mill |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219129428U true CN219129428U (en) | 2023-06-06 |
Family
ID=86563541
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222077380.1U Active CN219129428U (en) | 2022-08-08 | 2022-08-08 | Direct-drive sand mill |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219129428U (en) |
-
2022
- 2022-08-08 CN CN202222077380.1U patent/CN219129428U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111884407A (en) | Variable-frequency drive biochemical special permanent magnet synchronous direct-drive motor and stator sealing glue treatment method | |
| CN219129428U (en) | Direct-drive sand mill | |
| CN213953942U (en) | Make things convenient for brushless motor bearing housing device of dismouting | |
| CN203272159U (en) | Through-flow submersible electric pump | |
| CN114915055B (en) | Cooling structure of high-efficiency permanent magnet motor | |
| CN213906499U (en) | Water-cooling type external rotor motor | |
| CN210669773U (en) | Energy-saving speed reducing motor with brake | |
| CN210839229U (en) | Heat radiation structure of hub motor for electric automobile | |
| CN112576527A (en) | Integrated high-speed permanent magnet synchronous two-stage centrifugal compressor | |
| CN112392749A (en) | Make things convenient for brushless motor bearing housing device of dismouting | |
| CN219227376U (en) | Permanent magnet synchronous motor capable of realizing rotor self-cooling | |
| CN209724696U (en) | An a kind of only more axis spline pump group | |
| CN220492813U (en) | Air-cooled permanent magnet direct-drive motor | |
| CN220087100U (en) | Driving device integrated with speed reducing mechanism | |
| CN220586095U (en) | Synchronous direct-drive motor | |
| CN220934979U (en) | Novel golf cart motor | |
| CN118589760B (en) | Permanent magnet samarium cobalt motor for electric automobile | |
| CN220505336U (en) | Intelligent double-drive pump and water supply system | |
| CN221709592U (en) | In put circulation liquid cooling structure of inner rotor motor | |
| CN117040184B (en) | Axial magnetic flux wheel hub motor system with double circulation water heat exchanger | |
| CN217486252U (en) | Permanent magnet synchronous motor stator and rotor with water cooling structure | |
| CN214660983U (en) | Electric spindle for high-speed fan | |
| CN210129801U (en) | Permanent magnet synchronous motor and pump integrated system | |
| CN114552852B (en) | Large-scale internal-external mixed double-air-cooling and water-cooling permanent magnet synchronous motor | |
| CN212137403U (en) | Compact integrated motor rotor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: No. 308, Xixiang Village, Hengshanqiao Town, Economic Development Zone, Changzhou City, Jiangsu Province, 213000 Patentee after: Changzhou Longxin Intelligent Equipment Co.,Ltd. Address before: 213000 Xixiang Village, Hengshanqiao Town, Wujin District, Changzhou City, Jiangsu Province Patentee before: CHANGZHOU LONGXIN INTELLIGENT EQUIPMENT Co.,Ltd. |