CN202978476U - Shaft feeding motor - Google Patents

Shaft feeding motor Download PDF

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Publication number
CN202978476U
CN202978476U CN 201220699157 CN201220699157U CN202978476U CN 202978476 U CN202978476 U CN 202978476U CN 201220699157 CN201220699157 CN 201220699157 CN 201220699157 U CN201220699157 U CN 201220699157U CN 202978476 U CN202978476 U CN 202978476U
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CN
China
Prior art keywords
inner ring
rotor
stator
feeding motor
motor
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.)
Expired - Lifetime
Application number
CN 201220699157
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Chinese (zh)
Inventor
胡笛
王国芳
陈仙根
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SHANGHAI CDQC ELECTRIC CO Ltd
Original Assignee
SHANGHAI CDQC ELECTRIC CO Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by SHANGHAI CDQC ELECTRIC CO Ltd filed Critical SHANGHAI CDQC ELECTRIC CO Ltd
Priority to CN 201220699157 priority Critical patent/CN202978476U/en
Application granted granted Critical
Publication of CN202978476U publication Critical patent/CN202978476U/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Abstract

The utility model relates to a shaft feeding motor which comprises a stator arranged in a case and a rotor arranged in the stator. Two ends of a rotor shaft of the rotor are supported by a first bearing to be extended outside the case, the length of an armature of the rotor is larger than that of an iron core of the stator, and the width of an inner ring of the first bearing is larger than that of an outer ring of the same. The shaft feeding motor can realize feeing of a grinding head and a cutter through axial moving of the rotor shaft, so that cost for building a working platform is saved, feeding accuracy is high, and production energy consumption is substantially lowered.

Description

A kind of axle feeding motor
Technical field
The utility model relates to technical field of motors, relates in particular to a kind of axle feeding motor.
Background technology
In a lot of occasions of machining, when the logical cutting head of motor band or grinding machine head processing work, need between workpiece and motor axially relatively close along motor, with cutting or grinding work piece progressively.Usually the mode that realizes above-mentioned relative motion has two kinds: one, and motor maintains static, and workbench drives the feeding of workpiece rectilinear motion; Its two, workpiece is motionless, the feeding of workbench drive motor rectilinear motion.
The selection of this dual mode depends primarily on the relative size of workpiece and motor, when workpiece is smaller and more exquisite, and travelling workpiece normally; When the larger mobile inconvenience of workpiece, normally the base with motor is fixed on a workbench, makes motor near workpiece by modes such as screw mandrel, screw rods.
In fact, it is comparatively easy to operate when workpiece is less, when the larger mobile motor of workpiece is more convenient, in following defective is often:
The workbench volume is large, and quality is heavy, and feed consumption is many, and complex structure has increased volume and the production cost of complete machine; Actuating force is large, and energy consumption is large, and production cost is high; Be subjected to the restriction of the cascaded coordination precision such as screw rod and nut, screw mandrel and the spirit of living, the precision of motor straight line forward and back motion is limited.
The utility model content
Technical problem to be solved in the utility model is for the structural shortcoming of prior art, a kind of axle feeding motor is proposed, this axle feeding motor has the axially movable characteristics of armature spindle, can not need to just can realize the feeding of bistrique, cutter by workbench, not only saved the cost of building platform, and feed accuracy is high, has significantly reduced the energy consumption of producing.
In order to solve the problems of the technologies described above, the utility model adopts following technical scheme:
A kind of axle feeding motor comprises the stator be located in casing, is located at the rotor in stator, and the armature spindle two ends of described rotor are supported by clutch shaft bearing and stretched out outside described casing, and it is characterized in that: the armature length of described rotor is greater than the core length of described stator; The width of described clutch shaft bearing inner ring is greater than the width of outer ring.
Described clutch shaft bearing comprises inner ring, outer ring and a plurality of rolling element of being located between this inner ring and outer ring, has the rolling surface that is cylinder on the outer peripheral face of described inner ring, and when described inner ring moved axially with axle, described rolling element rolled with described rolling surface all the time and coordinates.
The head of described casing, tail end respectively form a described inner ring of confession and slide on wherein sliding cavity.
Described rolling element is roller.
Compared with prior art, the beneficial effects of the utility model are: have the axially movable characteristics of armature spindle, can not need to just can realize the feeding of bistrique, cutter by workbench, not only saved the cost of building platform, and feed accuracy is high, has significantly reduced the energy consumption of producing.
Description of drawings
By the description of its exemplary embodiment being carried out below in conjunction with accompanying drawing, the above-mentioned feature and advantage of the utility model will become apparent and easily understand.
Fig. 1 is the utility model embodiment overall structure schematic diagram.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail, so that technical staff's of the same trade understanding:
As shown in Figure 1, label represents respectively:
Manual handle 1, actuator 2, capping 3, dwang 4, sleeve 5, dwang head 6, angular contact bearing 7, rear end cap 8, outer ring 9, inner ring 10, sliding cavity 11, armature spindle 12, stator 13, rotor 14, support 15, sliding cavity 16, outer ring 17, roller 18, front end housing 19, inner ring 20, end wall 21, protection waveform sheath 22, grinding wheel stand 23, protective baffle plate 24, controller 25.
Shown in Figure 1, the feeding motor in the present embodiment comprises casing, and this casing is made of support 15 and the rear end cap 8 and the front end housing 19 that are assemblied in support 15 both ends open places.Be provided with the armature spindle 12 that can move axially between primary importance and the second place in casing, be fixed on the rotor 14 on described armature spindle 12 and be set in stator 13 outside described rotor 14.Wherein, stator 13 fixedly is assemblied on the inwall of support 15, described armature spindle 12 is rotatably supported by two clutch shaft bearings, and extend respectively outside the casing of described motor at its two ends, an end that stretches out front end housing 19 of armature spindle 12 consists of the output of this motor, be fixed with grinding wheel stand 23 on this output, be used for installing emery wheel.In addition, outer protection waveform sheath 22 and the protective baffle plate 24 of also being provided with of motor front end cover 19 is for the protection of armature spindle 12 outputs and grinding wheel stand 23.
These two clutch shaft bearings are the roller bearing of special tectonic, take the clutch shaft bearing that is positioned at the motor head end as example: this clutch shaft bearing by fixed cover be located at the inner ring 20 on described armature spindle 12, outer ring 17 and a plurality of roller 18 of being located between inner ring 20 and outer ring 17 that fixedly is assemblied on described front end housing 19 consists of.Be provided with raceway in outer ring 17, have the rolling surface that is cylinder on the outer peripheral face of inner ring 20, when described inner ring 20 moved axially with armature spindle 12, described roller 18 rolled with described rolling surface all the time and coordinates.That is to say, the width of this rolling surface should be not less than the axially movable range of armature spindle 12 (namely spacing between primary importance and the second place).Same, the clutch shaft bearing structure that is positioned at the motor tail end is identical with said structure, is made of the inner ring 10 and a plurality of roller of being located between inner ring 10 and outer ring 9 that are fixed on outer ring 9 on rear end cap 8, be set on armature spindle 12.
With above-mentioned clutch shaft bearing structural correspondence be, the head of casing, tail end respectively form a described inner ring of confession and slide on wherein sliding cavity, two sliding cavities all have the sidewall of cylinder, coordinate with the inner ring rolling surface gap in it, difference is: the sliding cavity 16 of motor head end has the end wall 21 for block inner ring 20, during by this end wall 21 block, described armature spindle 12 is positioned at described primary importance when inner ring 20.The sliding cavity 11 that is positioned at the motor tail end does not have the end wall of block inner ring 10.
In addition, for guaranteeing the motor normal operation, when armature spindle 12 moved axially, the iron core of stator 13 all was positioned on the armature of described rotor 14 all the time, that is to say that the armature length of rotor 14 is greater than the core length of stator 13.The core length that saying more specifically, the armature length of described rotor 14 should be not less than described stator 13 adds the range (namely spacing between primary importance and the second place) of armature spindle 12.
Be exactly more than axle feeding motor of the present utility model, its in use, in cooperation, axial brake device and controller can be realized auto-feed, concrete fit system is as follows:
Axial brake device is used for driving described rotor 12 axles and axially moves between primary importance and the second place.Axial brake device comprises that sleeve 5, the second bearing, dwang 4 and the actuator 2 of the tail end that is connected to motor case consist of.
Wherein: sleeve 5 is hollow round tubular, and its inwall arranges internal thread, and its tail end is by capping 3 sealings.Described dwang 4 passes through this capping 3, and head 6 side faces that are positioned at sleeve 5 have the external screw thread that coordinates with sleeve 5 inner threads, and the precession direction of this dwang 4 is along the axis setting of described armature spindle 12.The second bearing is angular contact bearing 7, and the outer ring of angular contact bearing 7 is inlaid in the interior inner chamber of described head 6 and interference fit, and the inner ring fixed cover of angular contact bearing 7 is located on described armature spindle 12.When rotation during dwang 4, head 6 is along screw thread precession or the back-out of sleeve 5, and then drives angular contact bearing 7 and move axially, and armature spindle 12 is synchronous to be moved axially with angular contact bearing 7.Because armature spindle 12 is supported by clutch shaft bearing, the structure of clutch shaft bearing allows inner ring relative outer ring to move axially, thereby does not hinder moving axially of armature spindle 12.Simultaneously, by said structure as can be known, during by this capping 3 block, armature spindle 12 is positioned at the second place when the head 6 of dwang 4.
Actuator 2 is used for driving described dwang 4 around the central axis rotation, and this actuator 2 can adopt motor, cylinder or other mechanical power source and assist with corresponding transmission mechanisms such as worm-and-wheel gears to realize driving the purpose of these dwang 4 rotations.25 of controllers are connected with actuator 2, the amount of feeding of program control described armature spindle 12.
Due to this class actuator and the structure by controller program control driving part for those skilled in the art's technological means of commonly seeing, therefore do not repeat them here.
Above-mentioned by the amount of feeding of controller 25 automatic programme control armature spindles 12 except this, can also adopt the feeding of manual mode Control Shaft, to be combined with automatic control scheme.Be exactly specifically, the afterbody of described dwang 4 also is provided with turning handle 1, by rotating the rotation of the manual control dwang 4 of this turning handle 1, can manually control the feeding of armature spindle 12.
Thus, by rotation manual handle 1 or utilize controller 25 automatically to control, can realize controlling manually or automatically the axial feed of armature spindle 12.
Abovely be elaborated for utility model of the present utility model intention and execution mode by embodiment; but the utility model one of ordinary skill in the art be appreciated that; the above embodiment of the utility model is only one of preferred embodiment of the present utility model; be the length restriction; here can not all execution modes of particularize; any enforcement that can embody the utility model claim technical scheme is all in protection range of the present utility model.

Claims (4)

1. axle feeding motor comprises the stator be located in casing, is located at the rotor in stator, and the armature spindle two ends of described rotor are supported by clutch shaft bearing and stretched out outside described casing, and it is characterized in that: the armature length of described rotor is greater than the core length of described stator; The width of described clutch shaft bearing inner ring is greater than the width of outer ring.
2. axle feeding motor according to claim 1, it is characterized in that: described clutch shaft bearing comprises inner ring, outer ring and a plurality of rolling element of being located between this inner ring and outer ring, has the rolling surface that is cylinder on the outer peripheral face of described inner ring, when described inner ring moved axially with axle, described rolling element rolled with described rolling surface all the time and coordinates.
3. axle feeding motor according to claim 2 is characterized in that: the head of described casing, tail end respectively form a described inner ring of confession and slide on wherein sliding cavity.
4. axle feeding motor according to claim 2, it is characterized in that: described rolling element is roller.
CN 201220699157 2012-12-17 2012-12-17 Shaft feeding motor Expired - Lifetime CN202978476U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201220699157 CN202978476U (en) 2012-12-17 2012-12-17 Shaft feeding motor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201220699157 CN202978476U (en) 2012-12-17 2012-12-17 Shaft feeding motor

Publications (1)

Publication Number Publication Date
CN202978476U true CN202978476U (en) 2013-06-05

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN 201220699157 Expired - Lifetime CN202978476U (en) 2012-12-17 2012-12-17 Shaft feeding motor

Country Status (1)

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CN (1) CN202978476U (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104393692A (en) * 2014-12-16 2015-03-04 安徽威能电机有限公司 Electric motor
CN105304300A (en) * 2015-10-08 2016-02-03 上海赢双电机有限公司 Variable reluctance resolver capable of axial movement
CN105305703A (en) * 2015-11-30 2016-02-03 浙江特种电机有限公司 Motor with shaft in clearance fit with bearings
CN105304301A (en) * 2015-10-08 2016-02-03 上海赢双电机有限公司 Non-contact type rotary transformer capable of axial movement
CN111627685A (en) * 2020-04-26 2020-09-04 浙江大学 Brushless rotary transformer

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104393692A (en) * 2014-12-16 2015-03-04 安徽威能电机有限公司 Electric motor
CN105304300A (en) * 2015-10-08 2016-02-03 上海赢双电机有限公司 Variable reluctance resolver capable of axial movement
CN105304301A (en) * 2015-10-08 2016-02-03 上海赢双电机有限公司 Non-contact type rotary transformer capable of axial movement
CN105304301B (en) * 2015-10-08 2017-08-11 上海赢双电机有限公司 The non-contact type rotary transformer being axially movable
CN105304300B (en) * 2015-10-08 2018-01-16 上海赢双电机有限公司 The magnetoresistance transformer being axially movable
CN105305703A (en) * 2015-11-30 2016-02-03 浙江特种电机有限公司 Motor with shaft in clearance fit with bearings
CN111627685A (en) * 2020-04-26 2020-09-04 浙江大学 Brushless rotary transformer

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CX01 Expiry of patent term

Granted publication date: 20130605

CX01 Expiry of patent term