CN209217817U - Crusher - Google Patents

Abstract

The utility model discloses a kind of crushers comprising magneto, shaft coupling and crusher ontology, shaft coupling one end are connect with magneto, and the other end is connect with crusher ontology；Magneto includes shaft, rotor punching, spoke, rotating device and permanent magnet；Spoke is along the axial or oblique outer surface for being laid in shaft of shaft, more spokes are on the outer surface of shaft along its circumferencial direction uniform intervals and fixed setting, rotor punching fastening is set on spoke, rotating device is fixed at the end in shaft and being located at spoke, and permanent magnet is attached on the outer surface of rotor punching or is embedded in rotor punching.The crusher of the utility model has the advantages that running power is high, degree of protection is high.

Description

Crusher

Technical field

The utility model relates to crusher technical fields, particularly, are related to a kind of crusher.

Background technique

The crusher of the prior art is usually all using air to air cooling threephase asynchronous, the efficiency of threephase asynchronous machine It is relatively narrow with power factor section, it is generally kept in 70%~100% rated power.And the degree of protection of threephase asynchronous Only IP54, absolutely empty cooling tube capacity easily hide ash, cause motor temperature rise larger.

Utility model content

The utility model provides a kind of crusher, to solve low, protection of running power existing for existing crusher etc. The technical problem that grade is low, motor temperature rise is big.

One aspect according to the present utility model provides a kind of crusher comprising magneto, shaft coupling and crusher sheet Body, shaft coupling one end are connect with magneto, and the other end is connect with crusher ontology；Magneto includes shaft, rotor punching, spoke Item, rotating device and permanent magnet；Spoke is along the axial or oblique outer surface for being laid in shaft of shaft, and more spokes are in shaft Outer surface on along its circumferencial direction uniform intervals and fixed setting, rotor punching fastening is set on spoke, and rotating device is solid It is arranged in shaft and is located at the end of spoke calmly, permanent magnet is attached on the outer surface of rotor punching or is embedded in rotor punching It is interior.

Further, the quantity of spoke is 3~20, and the gap width between adjacent spoke is 5mm~300mm.

Further, the quantity of rotating device is two, and two rotating devices are located at the both ends of spoke.

Further, the contained structure for accommodating permanent magnet is offered on rotor punching；Magneto further includes being used for The first pressing plate, the second pressing plate, fastener of fixed rotor punching；Correspond at the position of contained structure on first pressing plate and offers First positioning hole, the position that first positioning hole is corresponded on the second pressing plate offer second location hole, and it is fixed that fastener passes through second Position hole and first positioning hole are simultaneously located in first positioning hole and/or second location hole so that the second pressing plate is pressed on the first pressing plate On, and then compress permanent magnet.

Further, the mutual cooperation between the first pressing plate and the second pressing plate by male half coupling and concave mouth is realized concentric Assembly；Male half coupling is set on the first pressing plate, and concave mouth is set on the second pressing plate；Or concave mouth is set on the first pressing plate, it is convex to stop Mouth is set on the second pressing plate.

Further, the quantity of permanent magnet is that multiple and circumferencial direction uniform intervals along rotor punching are arranged.

Further, the magnetic pole discharge sequence of multiple permanent magnets is that NN, SS are set gradually.

Further, magneto further includes stator core, shell, drive end bearing bracket and rear end cap；Stator core and shell It is fixedly connected and is coaxially disposed with rotor punching, shell is fixedly connected with drive end bearing bracket and rear end cap respectively, drive end bearing bracket and rear end cap It is arranged in shaft by coaxial bearing.

Further, aeration structure is provided on shell, magneto further includes being fixed on shell and for drawing The flow direction of flow guide and the fan housing for playing protective action.

Further, magneto further includes being arranged on the outer surface of stator core and along the cooling of its axial direction setting Pipeline；Cooling line is provided with the inlet and liquid outlet being pierced by outside shell, inlet and liquid outlet with external cooling device Connection.

The utility model has the following beneficial effects:

The crusher of the utility model substitutes threephase asynchronous using magneto, has running power high, anti- The high advantage of grade is protected, in addition, more spokes are arranged on the outer surface of shaft along the circumferencial direction uniform intervals of shaft, rotor Punching fixation is set on spoke, and the gap between adjacent spoke constitutes the channel of air circulation, increases draught area, is led to The rotating device positioned at spoke end is crossed to drive air circulation, to realize internal wind direction circulating cooling, can effectively be prevented Only the temperature of rotor punching is excessively high and permanent magnet is caused to fail, moreover, spoke is fixed in shaft, manufacture easy to produce, Manufacturing cost is reduced, the interior fenestra of rotor punching can correspondingly increase, and reduce the processing capacity of rotor punching, reduce and turn The production cost of sub- punching.

Other than objects, features and advantages described above, there are also other purposes, feature and excellent for the utility model Point.Below with reference to figure, the utility model is described in further detail.

Detailed description of the invention

The attached drawing constituted part of this application is used to provide a further understanding of the present invention, the utility model Illustrative embodiments and their description are not constituteed improper limits to the present invention for explaining the utility model.In attached drawing In:

Fig. 1 is the modular structure schematic diagram of the crusher of the prior art of the utility model.

Fig. 2 is the modular structure schematic diagram of the crusher of the preferred embodiment in the utility model.

Fig. 3 is the diagrammatic cross-section of the magneto of the preferred embodiment in the utility model.

Fig. 4 is the partial cutaway schematic of the magneto of the preferred embodiment in the utility model.

Fig. 5 is the enlarged diagram in Fig. 4 of the preferred embodiment in the utility model at A.

Fig. 6 is after magneto in Fig. 4 of the preferred embodiment in the utility model removes the first pressing plate and the second pressing plate Schematic top plan view.

Marginal data:

100, threephase asynchronous；200, shaft coupling；300, speed reducer；400, crusher ontology；10, magneto；20, Shaft coupling；30, crusher ontology；11, shaft；12, rotor punching；13, stator core；14, spoke；15, rotating device；16, wind Cover；17, shell；18, drive end bearing bracket；19, rear end cap；121, the first pressing plate；122, the second pressing plate；123, fastener；124, permanent magnetism Body.

Specific embodiment

The embodiments of the present invention are described in detail below in conjunction with attached drawing, but the utility model can be by following The multitude of different ways for limiting and covering is implemented.

As shown in Figure 1, the structure of existing crusher generally includes threephase asynchronous 100, shaft coupling 200, speed reducer 300 and crusher ontology 400,200 one end of shaft coupling connect with threephase asynchronous 100, the other end and speed reducer 300 connect It connects, speed reducer 300 is also connect with crusher ontology 400.It is phase asynchronous which employs air to air cooling threephase asynchronous 100 The efficiency of motor 100 and power factor section are relatively narrow, are generally kept in 70%~100% rated power, and phase asynchronous electricity The degree of protection of motivation 100 is only IP54, and absolutely empty cooling tube capacity easily hides ash, causes motor temperature rise larger.

As shown in Fig. 2, the preferred embodiment of the utility model provides a kind of crusher comprising magneto 10, shaft coupling 20 and crusher ontology 30,20 one end of shaft coupling connect with magneto 10, the other end is connect with crusher ontology 30.This is practical new The crusher of type replaces existing threephase asynchronous 100 using magneto 10, and the running power of magneto 10 is wanted Higher than the running power of threephase asynchronous 100, and magneto 10 uses full-enclosed structure, and degree of protection can reach To IP56.Moreover, the crusher of the crusher of the utility model compared with the existing technology has lacked a speed reducer, reduce one Source of failure point, it is stronger to use reliability.

As shown in figure 3, the magneto 10 include shaft 11, rotor punching 12, stator core 13, more spokes 14, Rotating device 15, fan housing 16, shell 17, drive end bearing bracket 18 and rear end cap 19, the more spokes 14 are in the outer surface of shaft 11 On be arranged along its circumferencial direction uniform intervals, the length direction of spoke 14 intersects or parallel with the axial direction of shaft 11, more Root spoke 14 is made or is weldingly connected by being integrally formed with shaft 11, and the fastening of rotor punching 12 is set in spoke 14 On, fasten the mode that is arranged as interference fit, the stator core 13 be fixedly connected with shell 17 and with rotor punching 12 together Axis setting, the shell 17 are fixedly connected with drive end bearing bracket 18 and rear end cap 19 respectively, and the mode being fixedly connected is to pass through screw Or bolt is fixedly connected, the drive end bearing bracket 18 and rear end cap 19 are arranged in shaft 11 by coaxial bearing.The rotating dress Set 15 one end for being fixed in shaft 11 and being located at spoke 14.The fan housing 16 is fixed on shell 17, the shell Aeration structure is provided on body 17, the fan housing 16 is used to guide the flow direction of air-flow and plays the role of protection.It can manage It solves, the aeration structure on the shell 17 is ventilation hole or ventilation slot.It is appreciated that the quantity of the spoke 14 is 3~20, Gap width between adjacent spoke 14 is 5mm~300mm；Preferably, the quantity of the spoke 14 is 4~8, phase Gap width between adjacent spoke 14 is preferably 5~20cm.The rotating device 15 can make the air inside magneto logical The gap crossed between adjacent spoke 14 is flowed, and draught area is bigger, and cooling effect is more preferable, and by logical on shell 17 Wind structure flows into fan housing 16, is flowed into the gap between adjacent spoke 14 again by the guiding role of fan housing 16, thus Inside forms circulating cooling, further ensures good cooling effect.It is appreciated that the fan housing 16 can be omitted.It is described Rotating device 15 is tube-axial fan, turbine or impeller.It is appreciated that being pasted with forever on the outer surface of the rotor punching 12 In magnet or permanent magnet insertion rotor punching 12.It is appreciated that the spoke 14 can also along shaft 11 it is angularly disposed On its outer surface, i.e., the described spoke 14 is angularly disposed around the external peripheral surface of shaft 11.

The magneto 10 of the utility model, shaft 11, drive end bearing bracket 18, rear end cap 19 and shell 17 constitute an envelope The degree of protection of the structure of enclosed, magneto 10 can achieve IP56.In addition, more spokes 14 are on the outer surface of shaft 11 Circumferencial direction uniform intervals along shaft 11 are arranged, and the fixation of rotor punching 12 is set on spoke 14, between adjacent spoke 14 Gap constitutes the channel of air circulation, increases draught area, is driven by being located at the rotating device 15 of 14 end of spoke Air circulation, to realize internal wind direction circulating cooling, the temperature that can be effectively prevented rotor punching 12 is excessively high and causes forever Magnet failure, moreover, the mode that spoke 14 is arranged in shaft 11 can be welding or integrated molding, manufacture easy to produce, Manufacturing cost is reduced, and the inner circle of rotor punching 12 can increase accordingly, reduce the processing capacity of rotor punching 12, dropped The low production cost of rotor punching 12.

It is appreciated that carrying out assembly work convenient for lifting shaft 11 preferably, offer lifting hole(eyelet) on the spoke 14 Industry, it is easy to operate.

It is appreciated that being used as a kind of deformation, the quantity of the rotating device 15 is two, and two rotating devices 15 are fixed It is arranged in shaft 11 and is located at the both ends of spoke 14, one of them is for guiding distinguished and admirable be passed between adjacent spoke 14 Gap, another be used for guide it is distinguished and admirable outflow adjacent spoke 14 between gap, between accelerating air between spoke 14 Flow rate in gap further improves the cooling effect of rotor punching 12.

It is appreciated that being used as a kind of deformation, the magneto 10 further includes cooling line (not shown).The cooling tube Road is provided with the inlet and liquid outlet being pierced by outside shell 17, and inlet and liquid outlet are connect with external cooling device, described Cooling line is arranged on the outer surface of stator core 13 and is axially arranged along it.Preferably, the outer circle of the stator core 13 Fixation is set with cooling fin (not shown) in perimeter surface, so as to carry out rapid cooling, the cooling fin to stator core 13 It is covered on cooling line.For the ease of installing cooling line, in the external peripheral surface of stator core 13 and the interior table of cooling fin The mounting groove to match with the shape of cooling line is respectively arranged on face, cooling line is located in mounting groove.It is appreciated that making To be preferred, it is respectively provided between the contact surface of the cooling line and stator core 13, cooling line and the contact surface of cooling fin There is thermal grease layer, the cooling of stator core 13 can be further speeded up.

It is appreciated that being used as a kind of deformation, it is provided with wind deflector (not shown) between the rotating device 15 and shell 17, The wind deflector respectively with rotating device 15 and the sealed connection of shell 17, to guide the air in the gap of adjacent spoke 14 It is all flowed into fan housing 16 through the aeration structure on shell 17, further ensures that magneto 10 has preferably circulation Cooling effect.

Please also refer to Fig. 4, Fig. 5 and Fig. 6, preferably, the permanent magnet 124 is embedded in rotor punching 12.Institute Stating magneto 10 further includes the first pressing plate 121, the second pressing plate 122, fastener 123 and permanent magnet 124, the rotor punching 12 are set on spoke 14, and first pressing plate 121 is arranged on rotor punching 12 and is used for fixed rotor punching 12, and described turn The contained structure (not shown) for accommodating permanent magnet 124 is provided in sub- punching 12, the contained structure can be holding tank Or receiving hole, the shape and size of the contained structure are adapted with permanent magnet 124, i.e., permanent magnet 124 can be just housed in Without shaking or can not accommodate into the contained structure in the contained structure.According to rotor punching on first pressing plate 121 The laying mode correspondence of contained structure on 12 offers first positioning hole (not shown), and the permanent magnet 124 is housed in rotor In contained structure in punching 12, second positioning is correspondingly arranged on according to the position of first positioning hole on second pressing plate 122 Hole (not shown), the fastener 123 pass through the second limit hole and are fastened in the first limit hole to compress the second pressing plate 122 On the first pressing plate 121, to compress permanent magnet 124 to play fixed function to permanent magnet 124.It is appreciated that the fastening Part 123 can also be fastened in the second limit hole, it will be understood that the fastener 123 can be screw or pin.It can manage Solution, the first positioning hole and second location hole one of both are unthreaded hole (i.e. through-hole), and another one is screw hole or the first positioning Hole and second location hole are screw hole, and the fastener 123 is located in screw hole.The shape of the permanent magnet 124 can be L Shape, T-shaped, linear type or other irregular shapes, the utility model preferably use the shape of permanent magnet 124 for L shape and Corner is provided with chamfering.It is appreciated that circumferencial direction of the locking direction of the fastener 123 perpendicular to rotor punching 12. It is further appreciated that the shape of the rotor punching 12, the first pressing plate 121 and the second pressing plate 122 is annular shape.

Then the magneto 10 of the utility model passes through fastener using the first pressing plate 121 come fixed rotor punching 12 123 are pressed on the second pressing plate 122 on first pressing plate 121, and then compress permanent magnet 124 to play the work of fixed permanent magnet 124 With Standard is simple, and assembly difficulty is low, and convenient for operation, is not necessarily to special tool(s), reduces manufacturing cost.

It is appreciated that the quantity of the permanent magnet 124 is multiple, the quantity of the contained structure on the rotor punching 12 To be multiple and corresponding with the quantity of permanent magnet 124, the permanent magnet 124 is embedded in rotor punching 12 and along the circumference of rotor punching 12 The setting of direction uniform intervals.For example, the quantity of the permanent magnet 124 is 6, magnetic pole discharge sequence is NN and SS is set gradually. Preferably, the quantity of the permanent magnet 124 is 12, magnetic pole discharge sequence is NN and SS is set gradually.

It is appreciated that the rotor punching 12 quantity be it is multiple, multiple rotor punchings 12, which stack gradually, is set in spoke On 14.The magneto 10 further includes at least one locating rod, and number identical as locating rod is provided on each rotor punching 12 The through-hole of amount, locating rod may pass through the through-hole on each rotor punching 12 so as to be set to spoke at 12 sets by multiple rotor punchings Multiple rotor punchings 12 are positioned when on item 14, it is ensured that the precision that rotor punching 12 assembles.Preferably, described The quantity of locating rod is the six roots of sensation, is correspondingly arranged that there are six through-holes on each rotor punching 12, and 60 ° are spaced between each through-hole Even setting.It is further appreciated that in the other embodiments of utility model, the quantity of the locating rod be also possible to 8,10 or Person 12, the interval angles between through-hole on each rotor punching 12 are also possible to 45 °, 36 ° or 30 °, and user can be with It is adjusted according to actual needs, it is not limited here.

It is further appreciated that preferably, first pressing plate 121 and 122 one of both of the second pressing plate are provided with convex stop Mouthful, another one is provided with concave mouth, and the two passes through the mutual cooperation of male half coupling and concave mouth, it is ensured that the fixed peace of permanent magnet 124 The concentricity of dress not will cause the imbalance of rotor punching 12, it is ensured that motor is with good performance.

It is appreciated that being used as a kind of deformation, the magneto 10 further includes being arranged in rotor punching 12 and the first pressing plate Magnetic isolation plate (not shown) between 121 and for playing separated magnetic effect, the magnetic isolation plate is fixed with first on the first pressing plate 121 Through hole is offered at the position in position hole so that fastener 123 passes through.

It is appreciated that preferably, the magneto 10 further includes being arranged between shaft 11 and rotor punching 12 And Ying Yu plays the magnetism-isolating loop (not shown) of separated magnetic effect, it will be understood that the magnetism-isolating loop is set in shaft 11, the rotor Punching 12 is set on magnetism-isolating loop.

It is further appreciated that preferably, being provided with adhesion layer on the inner wall of the contained structure on the rotor punching 12 (not shown), to reinforce the effect that is fixed to each other between permanent magnet 124 and rotor punching 12.

The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model Within, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.

Claims (10)

1. a kind of crusher, it is characterised in that:

It includes magneto (10), shaft coupling (20) and crusher ontology (30), and shaft coupling (20) one end and magneto (10) are even It connects, the other end is connect with crusher ontology (30)；

Magneto (10) includes shaft (11), rotor punching (12), spoke (14), rotating device (15) and permanent magnet (124)；

Spoke (14) along the axial or oblique outer surface for being laid in shaft (11) of shaft (11),

More spokes (14) are on the outer surface of shaft (11) along its circumferencial direction uniform intervals and fixed setting, rotor punching (12) fastening is set on spoke (14), and rotating device (15) is fixed at the end on shaft (11) and being located at spoke (14) Portion, permanent magnet (124) are attached on the outer surface of rotor punching (12) or are embedded in rotor punching (12).

2. crusher as described in claim 1, it is characterised in that:

The quantity of spoke (14) is 3~20, and the gap width between adjacent spoke (14) is 5mm~300mm.

3. crusher as described in claim 1, it is characterised in that:

The quantity of rotating device (15) is two, and two rotating devices (15) are located at the both ends of spoke (14).

4. crusher as described in claim 1, it is characterised in that:

The contained structure for accommodating permanent magnet (124) is offered on rotor punching (12)；

Magneto (10) further includes the first pressing plate (121) for fixed rotor punching (12), the second pressing plate (122), fastening Part (123)；

Corresponding to first positioning hole is offered at the position of contained structure on first pressing plate (121), corresponded on the second pressing plate (122) Second location hole is offered in the position of first positioning hole, fastener (123) passes through second location hole and first positioning hole and determines Position in first positioning hole and/or second location hole the second pressing plate (122) to be pressed on the first pressing plate (121), and then press Tight permanent magnet (124).

5. crusher as claimed in claim 4, it is characterised in that:

Concentric dress is realized by the mutual cooperation of male half coupling and concave mouth between first pressing plate (121) and the second pressing plate (122) Match；

Male half coupling is set on the first pressing plate (121), and concave mouth is set on the second pressing plate (122)；Or

Concave mouth is set on the first pressing plate (121), and male half coupling is set on the second pressing plate (122).

6. crusher as described in claim 1, it is characterised in that:

The quantity of permanent magnet (124) is multiple and is arranged along the circumferencial direction uniform intervals of rotor punching (12).

7. crusher as claimed in claim 6, it is characterised in that:

The magnetic pole discharge sequence of multiple permanent magnets is that NN, SS are set gradually.

8. crusher as described in claim 1, it is characterised in that:

Magneto (10) further includes stator core (13), shell (17), drive end bearing bracket (18) and rear end cap (19)；

Stator core (13) be fixedly connected with shell (17) and with rotor punching (12) be coaxially disposed, shell (17) respectively with front end Lid (18) is fixedly connected with rear end cap (19), and drive end bearing bracket (18) and rear end cap (19) are arranged by coaxial bearing in shaft (11) On.

9. crusher as claimed in claim 8, it is characterised in that:

Aeration structure is provided on shell (17), magneto (10) further includes being fixed on shell (17) and for guiding The flow direction of air-flow and the fan housing (16) for playing protective action.

10. crusher as claimed in claim 8, it is characterised in that:

Magneto (10) further includes being arranged on the outer surface of stator core (13) and along the cooling line of its axial direction setting；

Cooling line, which is provided with, is pierced by the inlet and liquid outlet of shell (17) outside, and inlet and liquid outlet are filled with outside cooling Set connection.