CN104963962A - Magnetic powder clutch - Google Patents
Magnetic powder clutch Download PDFInfo
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- CN104963962A CN104963962A CN201510342056.XA CN201510342056A CN104963962A CN 104963962 A CN104963962 A CN 104963962A CN 201510342056 A CN201510342056 A CN 201510342056A CN 104963962 A CN104963962 A CN 104963962A
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- output shaft
- perforate
- cavity
- magnetic powder
- powder clutch
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Abstract
The invention discloses a magnetic powder clutch. The magnetic powder clutch comprises an output shaft, a driven rotor, an input shaft, a driving rotor, a stator and end covers. Two channels are formed inside the output shaft, the driven rotor is fixedly and coaxially arranged at the inner end of the output shaft, two cavities are formed inside the driven rotor, the driving rotor is fixedly and coaxially arranged at the inner end of the input shaft, the two end covers are symmetrically and fixedly arranged at the two ends of the stator, and water sealing covers are arranged on the upper portion and the lower portion of the end covers. The two cavities are communicated through multiple annular channels. According to the sequence of one water sealing cover, a water sealing jacket, one channel inside the output shaft, one cavity inside the driven rotor, the annular channels, the other cavity inside the driven rotor, the other channel inside the output shaft, the water sealing jacket and the other water sealing cover, cooling water circulation is completed, and the anti-leakage effect is achieved through multiple seal rings. The cooling conditions are better than those of common products, and the magnetic powder clutch has large relative slip frequency power, can completely meet certain requirements for special using occasions and is low in operating noise.
Description
Technical field
The present invention relates to a kind of magnetic powder clutch structure, be specifically related to a kind of magnetic powder clutch structure.
Background technique
Magnetic powder clutch is the Automatic Control Component of a kind of multipurpose, superior performance, be widely used in papermaking, printing, plastics, rubber, weaving, printing and dyeing, electric wire, metallurgy, tabletting machine and other about batch in processing industry unreel and winding tension control and prime mover test industry.In magnetic powder clutch, magnetic produces magnetic linkage under magnetic line of force effect, thus makes output shaft and input shaft become a rigid body and rotate, and produces slippage when overloading, and be now working state, the slippage caused that operates continuously is all converted into heat.Generally want control temperature during running below 75 DEG C, when exceeding this temperature, magnetic durability can greatly reduce, and not only affects the working life of magnetic powder clutch, damages magnetic powder clutch and even there is hazard of catch fire time serious.
For accelerating the heat radiation of magnetic powder clutch, existing method is generally by power rotor and the some aluminum alloy radiating fins of driven rotor peripheral hardware, and in stator, adopt air cooling structure, be similar to the heat radiation of computer CPU, adopt air stream to the heat radiation of workpiece, when the high-end magnetic powder clutch using slip power larger time, air-cooled air stream was not enough to take away amount of heat in the shorter time.
Summary of the invention
The object of the invention is to provide a kind of magnetic powder clutch, comprise output shaft (1), coaxially be fixed on the driven rotor (2) that described output shaft (1) is inner, input shaft (13), coaxially be fixed on the power rotor (14) that described input shaft (13) is inner, be set in power rotor (14) stator outward (15), be symmetricly set on the end cap (3) at stator (15) two ends, it is characterized in that, first passage (4) and second channel (5) is provided with in described output shaft (1), described first passage (4) and second channel (5) are symmetrical arranged relative to output shaft (1) axle center, described first passage (4) is provided with the first perforate (41) in described output shaft (1) end place radial direction, described second channel (5) is provided with the second perforate (51) in described output shaft (1) end place radial direction, described first perforate (41) and the second perforate (51) are positioned on the different radial planes of described output shaft (1), described driven rotor has cavity in (2), dividing plate (8) is had in described cavity, described dividing plate (8) arranges with described driven rotor (2) is coaxial and described driven rotor (2) inner cavity is divided into the first cavity (6) and the second cavity (7), described first cavity (6) communicates with first passage (4), described second cavity (7) communicates with described second channel (5), described first cavity (6) is communicated by multiple annular pass (9) with described second cavity (7).Radiating condition of the present invention is better than common product, and relative slip power is much bigger, can meet the requirement of the occasion of some Special uses completely, and it is little to run noise, makes the magnetic powder clutch performance of higher-end have huge lifting.
In some embodiments, the first perforate is identical with size with the second hole shape.First perforate projection is on a second pass not overlapping with the second perforate, and this structure makes two passes can not only accept current in the same way, and two passes is functionally divided into intake tunnel and exhalant canal.
In some embodiments, output shaft outer end is coaxially fixed with hydraulic gland, hydraulic gland has the 3rd perforate and the 4th perforate, and after hydraulic gland is fixing, the 3rd perforate overlaps completely with the first perforate perforate, and the 4th perforate overlaps completely with the second perforate.Adopt hydraulic gland to protect and produce because rotor rotates the wearing and tearing that relative movement causes output shaft, wearing and tearing only can occur on hydraulic gland like this, and rotor shaft can not wear and tear.As optimization, in hydraulic gland and output shaft clearance, be provided with multiple-sealed circle, prevent hydraulic gland from leaking and ensure the respective independence of intake tunnel and exhalant canal.
In some embodiments, the end cap of output shaft side is coaxially fixed with manhole cover, have the first valve port and the second valve port outside manhole cover, the first valve port and the first perforate are positioned on the same radial plane of output shaft, and the second valve port and the second perforate are positioned on the same radial plane of output shaft.As optimization, inside manhole cover, be provided with multiple-sealed circle, prevent manhole cover from leaking and ensure the respective independence of intake tunnel and exhalant canal.
In some embodiments, annular pass is triangular ring passage, and quantity is 15-18, and arranges in a circumferential direction around output shaft.Ensure that circulating water has certain passage on the one hand, ensure that rotor has appropriate magnetic flux on the other hand, thus actual Operating torque can be reached.
Accompanying drawing explanation
Fig. 1 is the structural representation of the magnetic powder clutch of one embodiment of the present invention;
Fig. 2 is output shaft in magnetic powder clutch shown in Fig. 1 and driven rotor Inner eycle current deflecting figure;
Fig. 3 is for driven rotor in magnetic powder clutch shown in Fig. 1 is at the sectional view in A-A face;
Fig. 4 is the structural representation of hydraulic gland in magnetic powder clutch shown in Fig. 1;
Fig. 5 is the structural representation of output shaft in magnetic powder clutch shown in Fig. 1;
Fig. 6 is output shaft B direction view in magnetic powder clutch shown in Fig. 1;
Fig. 7 is the first opening on output shaft in magnetic powder clutch shown in Fig. 1 or the second open C direction view.
Embodiment
Embodiment one:
Magnetic powder clutch described in the invention, as shown in Figure 1, comprise: the field coil 16 in output shaft 1, the driven rotor 2 being coaxially fixed on output shaft 1 the inner, input shaft 13, the power rotor 14 being coaxially fixed on input shaft 13 the inner, the magnetic between driven rotor 2 and power rotor 14, the stator 15 be set in outside power rotor 14, stator 15, and two are symmetrical arranged the end cap 3 being fixed on stator 15 two ends.First passage 4 and second channel 5 is had in output shaft 1.First passage 4 is provided with the first perforate 41 in output shaft 1 end.Second channel 5 is provided with the second perforate 51 at output shaft end place.Have cavity in driven rotor 2, have dividing plate 8 in cavity, dividing plate 8 arranges with driven rotor 2 is coaxial and driven rotor 2 inner cavity is divided into the first cavity 6 and the second cavity 7.First cavity 6 communicates with first passage 4, and the second cavity 7 communicates with second channel 5.First cavity 6 is communicated by 16 triangular ring passages 9 with the second cavity 7.16 triangular ring passages 9 equally spaced arrange in a circumferential direction around the axle center of output shaft 1.
As shown in Figure 5,6, the first passage 4 in output shaft 1 is identical with second channel 5 internal diameter.First passage 4 and second channel 5 are symmetrical arranged relative to the axle center of output shaft 1, more steady when such structure can make output shaft 1 rotate.
First passage 4 is identical in the second perforate 51 size of output shaft 1 end place sidewall with second channel 5 in the first perforate 41 of output shaft 1 end place sidewall, and shape is long-round-shape as shown in Figure 7.Ensureing that on the mechanical property that output shaft 1 is good and complete machine sealing effect basis, the present embodiment adopts Elongation to be the obround opening of 2: 1.Oblong length direction is the sense of rotation of output shaft 1.First perforate 41 and the second perforate 51 position are on the different radial planes of output shaft 1.That is, the first projection of perforate 41 on second channel 5 is not overlapping with the second perforate 51.Make first passage 4 and second channel 5 can not accept current in the same way respectively like this, first passage 4 and second channel 5 are functionally divided into intake tunnel and exhalant canal.
As shown in Figure 1 and Figure 4, output shaft 1 outer end is coaxially fixed with hydraulic gland 11.Hydraulic gland 11 there are the 3rd perforate 42 and the 4th perforate 52.3rd perforate 42 and the first perforate 41 size and shape completely the same, the 4th perforate 52 and the second perforate 51 size and shape completely the same.Hydraulic gland 11 is detachably fixed on output shaft 1, can along with output shaft 1 synchronous axial system.Hydraulic gland 11 behind location, the 3rd perforate 42 on it overlaps completely with on the first perforate 41 position on output shaft 1, and the 4th perforate 52 on it overlaps completely with on the second perforate 51 position on output shaft 1.Due to the mutual corresponding relation in the conformity of shape, size and position, the first perforate 41 and the 3rd perforate 42 reality are connected as a single entity, and the second perforate 51 and the 4th perforate 52 are also connected.Such setting, make wearing and tearing only can occur on hydraulic gland 11, output shaft 1 can not wear and tear, and can avoid because output shaft 1 rotates the wearing and tearing producing relative movement and cause output shaft 1.May wear to certain degree when hydraulic gland 11, user can change cheap hydraulic gland 11, and need not change expensive output shaft 1, and easy to operate.
As shown in Figure 1 and Figure 4, in order to ensure the seal between hydraulic gland 11 and output terminal 1, also there are in the gap of hydraulic gland 11 and output shaft 13 road seal rings, there is seal ring 122 together in gap between first perforate 41 and the second perforate 51, guarantees the sealing and anti-leakage between the first perforate 41 and the second perforate 51; Sealing ring 121,123 together with first perforate 41 respectively has with the other side of the second perforate 51, guarantee the binding site sealing and anti-leakage of hydraulic gland 11 and output terminal 1, guarantee cooling water in hydraulic gland 11 and output terminal 1 by the effect sealed, prevent liquid from draining to magnetic powder clutch inside, cause ill effect.
As shown in Figure 1, the end cap 3 of output shaft 1 side is coaxially fixed with manhole cover 10.The first valve port 43 and the second valve port 53 is fixed with outside manhole cover 10.Can water receiving source outside first valve port 43, the first valve port 43 and the first perforate 41 are positioned on the same radial plane of output shaft; Can water receiving pipe outside second valve port 53, the second valve port 53 and the second perforate 51 are positioned on the same radial plane of output shaft.3 road seal rings are installed: between the first valve port 43 and the second valve port 53, have seal ring 125 together inside manhole cover 10, ensure the sealing and anti-leakage between the first valve port 43 and the second valve port 53, sealing ring 124,126 together with first valve port 43 respectively has with the opposite side of the second valve port 53, guarantee the sealing and anti-leakage of manhole cover 10, avoid manhole cover 10 inner cooling water to drain to magnetic powder clutch inside, cause ill effect.That is, the first valve port 43 and the 3rd perforate 42 are in being partitioned in circular groove of seal ring 124 and seal ring 125, therefore can keep communicating, and the second valve port 53 and the 4th perforate 52 are in the circular groove be partitioned into of seal ring 125 and seal ring 126, keep communicating.In practice, general relative position under be water inlet valve port, relative position upper for water outlet valve port, therefore water inlet valve port and water outlet valve port can adjust accordingly according to practice, in the present embodiment, with the first valve port 43 for water inlet valve port, the second valve port 53 is being set forth for water outlet valve port.
As shown in Figure 2, in driven rotor 2, there is cavity, in cavity, have dividing plate 8.Dividing plate 8 arranges with driven rotor 2 is coaxial and driven rotor 2 inner cavity is divided into the first cavity 6 and the second cavity 7.First cavity 6 communicates with first passage 4, and the second cavity 7 communicates with second channel 5, and the first cavity 6 and the second cavity 7 are communicated by 16 triangular ring passages 9.As shown in Figure 3,16 triangular ring passages 9 arrange for axle center in a circumferential direction at equal intervals with output shaft 1, ensure that circulating water has certain passage on the one hand, ensure that rotor has appropriate magnetic flux on the other hand, thus can reach actual Operating torque.
During work, the rotor combination that output shaft 1 and driven rotor 2 are formed rotates with output shaft 1 axle center, is fixed on hydraulic gland 11 on output shaft 1 with rotor combination synchronous axial system.Because the 3rd perforate 42 first perforate 41 of output shaft 1 (also i.e.) of hydraulic gland 11 and the first valve port 43 of manhole cover 10 communicate all the time.4th perforate 52 (being also the second perforate 51 of output shaft 1) of same hydraulic gland 11 and the second valve port 53 of manhole cover 10 communicate all the time.
So whole circulating water process is: the second valve port 53, then water outlet in the 4th perforate 52 in the first cavity 6,16 the triangular ring passages 6 in the first passage 4 of cooling water on manhole cover 3 on first valve port 43, hydraulic gland 11 in first perforate 41 on the 3rd perforate 42, output shaft 1, output shaft 1 axle, driven rotor 2, driven rotor 2 in second cavity 7, output shaft 1 on second perforate 51 on second channel 5, output shaft 1, hydraulic gland 11, manhole cover 10.
According to the size of slip power, the height of magnetic powder clutch surface temperature, suitably can regulate the size of water inlet and outlet flow, thus makes magnetic powder clutch surface temperature control within normal range (NR).
Embodiment two:
The quantity of annular pass 9 of the present invention also can be 20, arranges in a circumferential direction equally around output shaft axle center.
Also there are 6 road seal rings: between the first perforate 41 and the second perforate 51, have the other side of two seals circle 122, first perforate 41 and the second perforate 51 respectively to have two seals circle 121 and two seals circle 123 in the gap of hydraulic gland 11 and output shaft 1.
6 road seal rings are installed: between the first valve port 43 and the second valve port 53, have two seals circle 125 inside manhole cover 10, ensure the sealing and anti-leakage between the first valve port 43 and the second valve port 53, the opposite side of the first valve port 43 and the second valve port 53 respectively has two seals circle 124 and two seals circle 126.
Compare embodiment one, this enforcement only has above-mentioned part to change, and same place is no longer repeated.
Embodiment three:
The quantity of annular pass 9 of the present invention also can be 8, arranges in a circumferential direction equally around output shaft axle center.
Also there are 5 road seal rings: between the first perforate 41 and the second perforate 51, have the other side of seal ring 122, first perforate 41 and the second perforate 51 together respectively to have seal ring 121 twice and seal ring 123 twice in the gap of hydraulic gland 11 and output shaft 1.
5 road seal rings are installed: between the first valve port 43 and the second valve port 53, have 1 road seal ring 125 inside manhole cover 10, ensure the sealing and anti-leakage between the first valve port 43 and the second valve port 53, the opposite side of the first valve port 43 and the second valve port 53 respectively has two seals circle 124 and two seals circle 126.
The Elongation of oblong first perforate 41 is 1.5: 1.
Compare embodiment one, this enforcement only has above-mentioned part to change, and same place is no longer repeated.
Claims (7)
1. magnetic powder clutch, comprise output shaft (1), coaxially be fixed on the driven rotor (2) that described output shaft (1) is inner, input shaft (13), coaxially be fixed on the power rotor (14) that described input shaft (13) is inner, be set in power rotor (14) stator outward (15), be symmetricly set on the end cap (3) at stator (15) two ends, it is characterized in that, first passage (4) and second channel (5) is provided with in described output shaft (1), described first passage (4) and second channel (5) are symmetrical arranged relative to output shaft (1) axle center, described first passage (4) is provided with the first perforate (41) in described output shaft (1) end place radial direction, described second channel (5) is provided with the second perforate (51) in described output shaft (1) end place radial direction, described first perforate (41) and the second perforate (51) are positioned on the different radial planes of described output shaft (1), described driven rotor has cavity in (2), dividing plate (8) is had in described cavity, described dividing plate (8) arranges with described driven rotor (2) is coaxial and described driven rotor (2) inner cavity is divided into the first cavity (6) and the second cavity (7), described first cavity (6) communicates with first passage (4), described second cavity (7) communicates with described second channel (5), described first cavity (6) is communicated by multiple annular pass (9) with described second cavity (7).
2. magnetic powder clutch according to claim 1, is characterized in that, described first perforate (41) is identical with size with the second perforate (51) shape.
3. magnetic powder clutch according to claim 1, it is characterized in that, described output shaft (1) outer end is coaxially fixed with hydraulic gland (11), described hydraulic gland (11) there are the 3rd perforate (42) and the 4th perforate (52), after described hydraulic gland (11) is fixing, described 3rd perforate (42) overlaps completely with described first perforate (41), and described 4th perforate (52) overlaps completely with described second perforate (51).
4. magnetic powder clutch according to claim 1, it is characterized in that: the end cap (3) of described output shaft (1) side is coaxially fixed with manhole cover (10), described manhole cover (10) outside has the first valve port (43) and the second valve port (53), described first valve port (43) and described first perforate (41) are positioned on the same radial plane of output shaft (1), and described second valve port (53) and described second perforate (51) are positioned on the same radial plane of output shaft (1).
5. magnetic powder clutch according to claim 4, is characterized in that: be provided with multiple-sealed circle in described hydraulic gland (11) and output shaft (1) gap.
6. magnetic powder clutch according to claim 5, is characterized in that: described manhole cover (10) inner side is provided with multiple-sealed circle.
7. magnetic powder clutch according to claim 1, is characterized in that: described annular pass (9) are triangular ring passage, and quantity is 15-18, and arranges in a circumferential direction around described output shaft (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510342056.XA CN104963962A (en) | 2015-06-12 | 2015-06-12 | Magnetic powder clutch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510342056.XA CN104963962A (en) | 2015-06-12 | 2015-06-12 | Magnetic powder clutch |
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| Publication Number | Publication Date |
|---|---|
| CN104963962A true CN104963962A (en) | 2015-10-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510342056.XA Pending CN104963962A (en) | 2015-06-12 | 2015-06-12 | Magnetic powder clutch |
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| CN (1) | CN104963962A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2313936Y (en) * | 1997-11-03 | 1999-04-14 | 平阳县塑料机械总厂 | Spinning apparatus |
| CN102810955A (en) * | 2012-08-10 | 2012-12-05 | 梅声 | Double-rotor or multi-rotor hub motor |
| CN203051551U (en) * | 2012-12-13 | 2013-07-10 | 海安县兰菱机电设备有限公司 | Water-cooling magnetic powder clutch |
| CN203051552U (en) * | 2012-12-13 | 2013-07-10 | 海安县兰菱机电设备有限公司 | Sealing device of hollow shaft water cooling clutch |
| CN103741109A (en) * | 2013-12-31 | 2014-04-23 | 北京工业大学 | Device and method for continuously coating fiber with metallic conductive function film through magnetron sputtering |
-
2015
- 2015-06-12 CN CN201510342056.XA patent/CN104963962A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2313936Y (en) * | 1997-11-03 | 1999-04-14 | 平阳县塑料机械总厂 | Spinning apparatus |
| CN102810955A (en) * | 2012-08-10 | 2012-12-05 | 梅声 | Double-rotor or multi-rotor hub motor |
| CN203051551U (en) * | 2012-12-13 | 2013-07-10 | 海安县兰菱机电设备有限公司 | Water-cooling magnetic powder clutch |
| CN203051552U (en) * | 2012-12-13 | 2013-07-10 | 海安县兰菱机电设备有限公司 | Sealing device of hollow shaft water cooling clutch |
| CN103741109A (en) * | 2013-12-31 | 2014-04-23 | 北京工业大学 | Device and method for continuously coating fiber with metallic conductive function film through magnetron sputtering |
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Application publication date: 20151007 |
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