CN111715576A - Dust removal device for motor rotor - Google Patents
Dust removal device for motor rotor Download PDFInfo
- Publication number
- CN111715576A CN111715576A CN202010403934.5A CN202010403934A CN111715576A CN 111715576 A CN111715576 A CN 111715576A CN 202010403934 A CN202010403934 A CN 202010403934A CN 111715576 A CN111715576 A CN 111715576A
- Authority
- CN
- China
- Prior art keywords
- rotating frame
- dust
- dust collection
- mounting
- hole
- 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.)
- Granted
Links
- 239000000428 dust Substances 0.000 title claims abstract description 72
- 238000007790 scraping Methods 0.000 claims abstract description 18
- 238000009434 installation Methods 0.000 claims description 10
- 239000007769 metal material Substances 0.000 claims description 3
- 229910000831 Steel Inorganic materials 0.000 abstract description 18
- 239000010959 steel Substances 0.000 abstract description 18
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 abstract description 16
- 229910052742 iron Inorganic materials 0.000 abstract description 7
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 239000012535 impurity Substances 0.000 abstract description 2
- 238000010521 absorption reaction Methods 0.000 description 5
- 239000012634 fragment Substances 0.000 description 2
- 229910052755 nonmetal Inorganic materials 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Images
Classifications
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- B08B1/165—
-
- B08B1/32—
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B13/00—Accessories or details of general applicability for machines or apparatus for cleaning
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B15/00—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area
- B08B15/02—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area using chambers or hoods covering the area
Abstract
The invention discloses a dust removing device for a motor rotor, which comprises: the rotary scraper comprises a dust hood, a rotary frame, a propeller and a scraping disc, wherein the dust hood comprises a dust collection part and a connecting part, and the dust collection part is communicated with the connecting part; the inner wall of the dust collection part is provided with a mounting frame, and the propeller and the rotating frame are coaxially arranged; the scraping disc is fixed at the bottom of the rotating frame and is coaxially set with the rotating frame; according to the invention, the dust collection part is sleeved on the rotor, the connecting part is communicated with the external exhaust fan, so that a negative pressure space is formed in the dust collection cover, the propeller rotates, the propeller drives the rotating frame to rotate, the scraping disc rotates, scrap iron and magnetic steel scraps adsorbed on the top of the magnetic steel of the rotor are hung by the scraping disc, and the impurities are sucked away by negative pressure, so that the magnetic steel is assembled under the condition of clean surface, the potential safety hazard is eliminated, and the production quality of the motor is greatly improved.
Description
Technical Field
The invention relates to the field of dust removing equipment, in particular to a dust removing device for a motor rotor.
Background
The motor is seen everywhere in our life, and the existing motor mainly comprises an electromagnetic motor and a permanent magnet motor, and the permanent magnet motor can realize small size, light weight and wide control range, so the permanent magnet motor is the most widely applied at present, the difference between the electromagnetic motor and the permanent magnet motor mainly lies in the structure of a rotor, the electromagnetic motor is provided with an excitation coil on the rotor, and the permanent magnet motor is provided with a permanent magnet inserted in a rotor iron core.
The permanent magnet adopted by the rotor of the existing permanent magnet motor is generally magnetic steel; iron chips and magnetic steel scraps are often adsorbed on the top of the magnetic steel in the production process of the existing motor rotor; if the scrap iron and the magnetic steel scrap are not processed, the rotor is arranged in the stator, and the motor is assembled; when the motor works, the rotor is possibly blocked in the stator, and a large potential safety hazard exists; meanwhile, the existence of scrap iron and magnetic steel scraps can also influence the magnetic field performance of the motor; most importantly, the scrap iron and the scrap steel can not be blown away or sucked away by conventional dust removing equipment, so that the production quality of the motor is influenced.
Disclosure of Invention
Aiming at the technical problems that scrap iron and magnetic steel scraps are often adsorbed at the top of magnetic steel of a rotor in the production process of a motor rotor in the prior art and are difficult to remove, and the production quality of a motor is influenced, the invention provides the dust removal device for the motor rotor, which can quickly remove the scrap iron and the magnetic steel scraps adsorbed on the magnetic steel.
The technical scheme for solving the technical problems is as follows: a dust removing device for a motor rotor, comprising:
the dust collection cover comprises a dust collection part and a connecting part, and the dust collection part is communicated with the connecting part; the inner wall of the dust collection part is provided with a mounting frame, the mounting frame comprises a cylinder and a mounting arm, one end of the mounting arm is fixedly connected with the outer circular surface of the cylinder, the other end of the mounting arm is fixedly connected with the inner wall of the dust collection cover, the cylinder is axially provided with a through hole, and the through hole and the connecting part are coaxially arranged;
the rotating frame comprises an installation section and an external section; the mounting section is coaxially fixed with the external section, and the mounting section is axially clamped in the through hole; the diameter of the mounting section is smaller than that of the through hole.
The propeller is fixed on the external section of the rotating frame and is coaxially arranged with the external section;
and the scraping disc is fixed at the bottom of the rotating frame and is coaxially arranged with the rotating frame.
Further, a threaded hole is axially formed in one end of the mounting section of the rotating frame, the other end of the mounting section is connected with the external section, and the mounting section) is clamped and hung in the through hole through a screw.
Furthermore, a regular polygon columnar block pier is arranged in the middle of the external section of the rotating frame, a mounting hole matched with the block pier of the external section is formed in the middle of the propeller, and the block pier is in interference fit with the mounting hole.
The scraping disc further comprises a plurality of scrapers which are annularly arranged at the bottom of the rotating frame.
Further, the scraper comprises a scraper frame and a blade, and the blade is detachably arranged at the bottom of the scraper frame.
Furthermore, the blade is made of non-metal materials.
The invention has the beneficial effects that: the invention leads the connecting part to be communicated with the external exhaust fan by sleeving the gap of the dust absorption part at the end part of the motor rotor, so that a negative pressure space is formed in the dust hood, the dust absorption part and the connecting part are hollow, and a gap exists between the mounting frame in the dust absorption part and the inner wall of the dust absorption part, so that the inner space of the dust hood and the outer space of the dust hood are communicated, under the condition of negative pressure, the inner air can be rapidly circulated, thereby leading the flowing air to drive the propeller to rotate, leading the propeller to drive the rotating frame to rotate, leading the scraping disc to rotate, scraping scrap iron and magnetic steel scraps adsorbed at the top of the magnetic steel of the rotor by the scraping disc, leading the impurities to be taken away by the external exhaust fan through the gap between the mounting frame and the dust absorption part, ensuring that the motor rotor is assembled under the condition of clean surface, thereby eliminating the potential safety hazard and greatly improving the production quality of the motor.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a cross-sectional view of a dust removing apparatus for a rotor of an electric motor according to the present invention;
FIG. 2 is a sectional view taken along line A-A of FIG. 1;
FIG. 3 is a side view of an installation frame of a dust removing device for a motor rotor according to the present invention;
FIG. 4 is a top view of a mounting frame of a dust removing device for a motor rotor according to the present invention;
FIG. 5 is a schematic perspective view of a dust hood of a dust removing device for a motor rotor according to the present invention;
FIG. 6 is a schematic structural view of a rotary frame and a cutter head of the dust removing device for the motor rotor of the present invention;
fig. 7 is a schematic view of a propeller structure of a dust removing device for a motor rotor according to the present invention.
In the drawings, the components represented by the respective reference numerals are listed below:
1. a dust hood; 11. a dust suction part; 12. a connecting portion; 13. a mounting frame; 131. a cylinder; 132. mounting an arm; 133. a through hole;
2. a rotating frame; 21. an installation section; 22. an external section; 211. a threaded hole; 221. blocking piers;
3. a propeller; 31. mounting holes;
4. a scraping disc; 41. a scraper; 411. a tool holder; 412. a blade.
Detailed Description
The principles and features of this invention are described below in conjunction with the following drawings, which are set forth by way of illustration only and are not intended to limit the scope of the invention.
Referring to fig. 1 to 3, the present invention provides a technical solution: a dust removing device for a motor rotor, comprising: the device comprises a dust hood 1, a rotating frame 2, a propeller 3 and a scraping disc 4;
the dust hood 1 comprises a dust collection part 11 and a connecting part 12, the dust collection part 11 and the connecting part 12 are communicated and connected to form a funnel-shaped dust hood 1, and the dust hood 1 is mainly used for forming a space for air flow so as to facilitate the concentrated guiding out of magnetic steel fragments at the later stage; the inner wall of the dust collection part 11 is provided with a mounting frame 13 for mounting the rotating frame 2, and the mounting frame 13 consists of a mounting arm 132 and a cylinder 131; one end of the mounting arm 132 is fixedly connected with the outer circular surface of the cylinder 131, the other end is fixedly connected with the inside of the dust collection part 11, a through hole 133 is formed in the axial direction of the cylinder 131, and the through hole 133 is coaxial with the connecting part 12 of the dust collection cover 1;
the rotating frame 2 is divided into an installation section and an external section 22, and the installation section 21 is coaxially connected with the external section 22; the mounting section 21 is of a cylindrical structure and is axially clamped in a through hole 133 of the cylinder 131 of the mounting frame 13, and the diameter of the mounting section 21 is smaller than that of the through hole 133, so that the mounting section 21 can rotate in the through hole 133;
the propeller 3 is fixed to be set up on the external section 22 of swivel mount 2 and with external section 22 coaxial arrangement, rotates with the swivel mount 2 is synchronous, and the frizing 41 is fixed in the afterbody of swivel mount 2, also with the coaxial setting of swivel mount 2 to also be coaxial pivoted with swivel mount 2.
The mounting arms of the mounting rack are distributed at intervals along the circumferential direction of the cylinder, so that an air flowing channel exists between the adjacent mounting arms, and air flows from the dust suction part to the connecting part through the air flowing channel; in this embodiment, the number of the mounting arms may be six, four or two, and preferably, in order to make the air flow inside the dust hood smoother, the mounting arms in this embodiment of the present disclosure are only provided with two mounting arms, and the two mounting arms are axially symmetric along the cylinder.
The mounting section 21 of the rotating frame 2 is of a cylindrical structure, one end of the mounting section is provided with a threaded hole 211 along the axial direction, and the other end of the mounting section is connected with the external 22 section; a screw is screwed in the threaded hole 211 of the mounting section 21, and the diameter of the head of the screw is larger than the diameter 133 of the through hole, so that the rotating frame 2 is hung on the mounting frame 13 through the screw; because the diameter of the mounting section 21 is smaller than that of the through hole 133, the mounting section 21 can rotate in the through hole 133 under the condition of axial clamping.
The middle of the external section 22 is a regular polygon columnar block 221, the head and the tail are both in a cylindrical structure, a mounting hole 31 matched with the block 221 of the external section is formed in the middle of the propeller 3, and the block 221 is in interference fit with the mounting hole 31, so that the propeller 3 is locked on the rotating frame 2 and synchronously rotates with the rotating frame 2.
The scraping disc 4 is formed by a plurality of scrapers 41 which are uniformly arranged in the circumferential direction; the scraper 41 is in a long strip shape, the scraper 41 is divided into a cutter holder 411 and a blade 412, the blade 412 is detachably inserted at the bottom of the cutter holder 411, and the blade 412 is made of a non-metal material, so that magnetic steel scraps are prevented from being adsorbed on the blade 412.
The working principle is as follows: the connecting part 12 of the dust hood 1 is externally connected with a fan, so that a negative pressure space is formed inside the dust hood 1; because the internal space of the dust hood 1 is communicated, and the internal space of the dust hood 1 is also communicated with the external space of the dust hood 1, under the condition of negative pressure, the air in the dust hood 1 can flow into the dust collection part 11 of the dust hood 1 from the outside of the dust hood 1, enter the connecting part 12 from the gap between the mounting arms 132 of the mounting frame 13, and then be drawn away by the exhaust fan from the connecting part 12, so that the dust hood 1 is internally provided with air flowing in a certain direction, the propeller 3 is driven to rotate through the flowing of the air, the rotating of the propeller 3 drives the rotating frame 2 to rotate, the rotating of the scraping disc 4 is driven through the rotating frame 2, the rotor to be cleaned is sleeved in the dust collection part of the dust hood, the magnetic steel fragments on the rotor are hung on the rotating scraping disc 4, and the motor rotor is ensured to be assembled under the condition of clean surface.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (6)
1. The utility model provides a dust collector for electric motor rotor which characterized in that includes:
the dust collection cover (1) comprises a dust collection part (11) and a connecting part (12), wherein the dust collection part (11) is communicated with the connecting part (12); an installation frame (13) is arranged on the inner wall of the dust collection part (11), the installation frame (13) comprises a cylinder (131) and an installation arm (132), one end of the installation arm (132) is fixedly connected with the outer circular surface of the cylinder (131), the other end of the installation arm is fixedly connected with the inner wall of the dust collection cover (1), a through hole (133) is formed in the axial direction of the cylinder (131), and the through hole (133) and the connecting part (12) are coaxially arranged;
the rotating frame (2) comprises a mounting section (21) and an external section (22); the mounting section (21) and the external section (22) are coaxially fixed, and the mounting section (21) is axially clamped in the through hole (133); the diameter of the mounting section (21) is smaller than that of the through hole (133).
The propeller (3) is fixed on the external section (22) of the rotating frame (2) and is coaxially arranged with the external section (22);
and the scraping disc (4) is fixed at the bottom of the rotating frame (2) and is coaxially arranged with the rotating frame (2).
2. The dust removing device for the motor rotor as claimed in claim 1, wherein a threaded hole (211) is axially formed at one end of the mounting section (21) of the rotating frame (2), the other end of the mounting section is connected with the external section (22), and the mounting section (21) is clamped and hung in the through hole (133) through a screw.
3. The dust removing device for the motor rotor as recited in claim 1, wherein a regular polygon columnar block (221) is arranged in the middle of the external section (22) of the rotating frame (2), a mounting hole (31) matched with the block (221) of the external section (22) is formed in the middle of the propeller (3), and the block (221) is in interference fit with the mounting hole (31).
4. The dust removing device for the motor rotor as recited in claim 1, wherein the scraping disc (4) comprises a plurality of scraping blades (41), and the plurality of scraping blades (41) are annularly arranged at the bottom of the rotating frame (2).
5. The dust removing device for the motor rotor as recited in claim 4, wherein the scraper (41) comprises a blade holder (411) and a blade (412), and the blade (412) is detachably arranged at the bottom of the blade holder (411).
6. The dust removing apparatus for rotor of electric machine as claimed in claim 5, wherein said blade (412) is made of non-metallic material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010403934.5A CN111715576B (en) | 2020-05-13 | 2020-05-13 | Dust removal device for motor rotor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010403934.5A CN111715576B (en) | 2020-05-13 | 2020-05-13 | Dust removal device for motor rotor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111715576A true CN111715576A (en) | 2020-09-29 |
| CN111715576B CN111715576B (en) | 2021-10-01 |
Family
ID=72564319
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010403934.5A Active CN111715576B (en) | 2020-05-13 | 2020-05-13 | Dust removal device for motor rotor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111715576B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102862172A (en) * | 2012-09-28 | 2013-01-09 | 迪皮埃复材构件（太仓）有限公司 | Wind-driven blade root cutting device |
| KR101283428B1 (en) * | 2011-08-16 | 2013-07-08 | 주식회사 그린솔루스 | Electric precipitator for controlling gas containing oil droplets |
| DE102015114237A1 (en) * | 2015-08-27 | 2017-03-02 | Wessel-Werk Gmbh & Co. Kg | cleaner |
| CN109024435A (en) * | 2018-10-15 | 2018-12-18 | 南安市泉建机械科技有限公司 | The building site iron nail and thin wire recyclable device of a kind of negative pressure and magnetic interaction |
| CN109431370A (en) * | 2018-11-28 | 2019-03-08 | 珠海格力电器股份有限公司 | Brush head and dust catcher |
-
2020
- 2020-05-13 CN CN202010403934.5A patent/CN111715576B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101283428B1 (en) * | 2011-08-16 | 2013-07-08 | 주식회사 그린솔루스 | Electric precipitator for controlling gas containing oil droplets |
| CN102862172A (en) * | 2012-09-28 | 2013-01-09 | 迪皮埃复材构件（太仓）有限公司 | Wind-driven blade root cutting device |
| DE102015114237A1 (en) * | 2015-08-27 | 2017-03-02 | Wessel-Werk Gmbh & Co. Kg | cleaner |
| CN109024435A (en) * | 2018-10-15 | 2018-12-18 | 南安市泉建机械科技有限公司 | The building site iron nail and thin wire recyclable device of a kind of negative pressure and magnetic interaction |
| CN109431370A (en) * | 2018-11-28 | 2019-03-08 | 珠海格力电器股份有限公司 | Brush head and dust catcher |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111715576B (en) | 2021-10-01 |
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