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CN207522367U - A kind of double end main shaft - Google Patents

A kind of double end main shaft Download PDF

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Publication number
CN207522367U
CN207522367U CN201721388597.7U CN201721388597U CN207522367U CN 207522367 U CN207522367 U CN 207522367U CN 201721388597 U CN201721388597 U CN 201721388597U CN 207522367 U CN207522367 U CN 207522367U
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China
Prior art keywords
housing
shaft
main shaft
motor
bearing
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Application number
CN201721388597.7U
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Chinese (zh)
Inventor
韩腾
汤秀清
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Guangzhou Haozhi Electromechanical Co Ltd
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Guangzhou Haozhi Electromechanical Co Ltd
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Priority to CN201721388597.7U priority Critical patent/CN207522367U/en
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Publication of CN207522367U publication Critical patent/CN207522367U/en
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Abstract

The utility model discloses a kind of double end main shafts, including housing, the first shaft core, the second shaft core and motor, first shaft core and the second shaft core are respectively pivoted to inner walls, and one end of housing is stretched out in one end of the first shaft core, and the other end of housing is stretched out in one end of the second shaft core;Motor is fixedly installed in housing, and the other end of the first shaft core and motor shaft one end of motor are affixed, and the other end of the second shaft core and the motor shaft other end of motor are affixed;This kind of double end main shaft can improve the working efficiency of workpieces processing, save time cost and improve the machining accuracy of workpiece.

Description

A kind of double end main shaft
Technical field
Technical field more particularly to a kind of double end main shaft the utility model is related to main shaft.
Background technology
At present, grinding machine spindle on the market all can only one end carry out workpiece grinding, it is impossible to both ends are carried out at the same time work Make, so that fully the power at the motor shaft both ends of motor cannot be used, cause working efficiency low, improve the time into This;And workpiece needs to carry out roughing and finishing, and existing grinding machine spindle only there are one processing end, can only carry out roughing Or finishing, therefore workpiece, after a grinding machine spindle roughing, workpiece need to disassemble is fixedly installed to another grinding machine again Main shaft is finished, therefore carries out roughing and finishing to workpiece, and the installation that is fixedly clamped twice, work need to be carried out to workpiece Part twice be fixedly clamped installation during can not ensure position consistency that Workpiece clamping is fixedly mounted, therefore reduce work The machining accuracy of part.
Utility model content
For overcome the deficiencies in the prior art, the purpose of this utility model is to provide a kind of double end main shafts, can improve The working efficiency of workpieces processing saves time cost and improves the machining accuracy of workpiece.
A kind of double end main shaft, including housing, the first shaft core, the second shaft core and motor, first shaft core and described second Shaft core is respectively pivoted to the inner walls, and one end of the housing, second shaft core are stretched out in one end of first shaft core One end stretch out the other end of the housing;The motor is fixedly installed in the housing, the other end of first shaft core Affixed with motor shaft one end of the motor, the other end of second shaft core and the motor shaft other end of the motor are affixed.
Further, the double end main shaft further includes clutch shaft bearing component and second bearing component, and first shaft core is led to It crosses the clutch shaft bearing component and is articulated in the inner walls, second shaft core is articulated in institute by the second bearing component Inner walls are stated, the bearing that the clutch shaft bearing component is serially connected fitting installation by four is formed, the second bearing group The bearing that part is serially connected fitting installation by two is formed.
Further, the double end main shaft further includes the First coolant jacket for cooling down the motor, first cooling The outer wall of set circumferentially offers several first coolant flow channels, and the First coolant jacket is socketed on the shell of the motor;The shell Body axially offers the first feed pathway and the first liquid outlet channel along housing, and first feed pathway goes out liquid with described first and leads to Road connects respectively with each first coolant flow channel.
Further, the double end main shaft further includes several second coolant jackets for cooling bearing;The first axle Each bearing outer ring of bearing assembly is fixed in one end inner wall of the housing, and each bearing of the second bearing component is fixed in It is cold that the other end inner wall of the housing, one end outer wall of the housing and the other end outer wall of the housing offer several second But runner, each second coolant jacket are socketed on one end outer wall of the housing and the other end outer wall of the housing respectively, The housing axially offers the second feed pathway and the second liquid outlet channel, second feed pathway and described second along housing Liquid outlet channel connects respectively with each second coolant flow channel.
Further, the double end main shaft further includes the first dustproof cover, the second dustproof cover, drive end bearing bracket and rear end cap, described First dustproof cover and the drive end bearing bracket are fixed in one end of the housing successively, and first dustproof cover and the drive end bearing bracket are separated by The first tortuous clearance channel is formed, second dustproof cover and the rear end cap are fixed in the other end of the housing successively, Second dustproof cover and the rear end cap are separated by form the second tortuous clearance channel.
Further, the outer wall of first dustproof cover offers first annular groove, the outer wall of second dustproof cover Offer second annular groove, the cross-sectional area of the cross-sectional area of the first annular groove and the second annular groove is along slot Top to slot bottom is gradually reduced.
Further, the outside wall surface of the drive end bearing bracket offers third annular groove, and the outside wall surface of the rear end cap opens up Have fourth annular groove, the third annular groove is connected with first clearance channel, the fourth annular groove with it is described Second clearance channel connects.
Further, the axial direction of the housing along housing offers first gas passage and second gas channel, and described One gas passage is connected with first clearance channel, and the second gas channel is connected with second clearance channel.
Further, first shaft core and second shaft core are integrally formed respectively with the motor shaft of the motor.
Further, if the double end main shaft further includes dry temperature sensor, each temperature sensor is installed respectively In the motor is internal, the clutch shaft bearing component internal and the second bearing component internal.
Compared with prior art, the beneficial effects of the utility model are:This kind of double end main shaft is being used, due to the first shaft core One end and one end of the second shaft core stretch out the both ends of housing, and the other end of the first shaft core and the other end of the second shaft core respectively It is affixed with the both ends of motor shaft respectively, therefore one end of the first shaft core and one end of the second shaft core can be used as processing end to workpiece It is processed, improves the working efficiency of work pieces process, save time cost, while one end of the first shaft core and the second shaft core One end only can need to carry out the installation that is once fixedly clamped to workpiece, just realize workpiece respectively as finishing end and roughing end Coarse-fine processing demand, reduce Workpiece clamping fixed installation number, ensure that Workpiece clamping be fixedly mounted position one It causes, so as to improve the machining accuracy of workpiece.
Description of the drawings
Fig. 1 is a kind of first cross-sectional view of double end main shaft of the utility model;
Fig. 2 is a kind of second cross-sectional view of double end main shaft of the utility model;
Fig. 3 is the partial enlarged view at A in Fig. 2;
Fig. 4 is the partial enlarged view at B in Fig. 2.
In figure:10th, housing;101st, the first feed pathway;102nd, the second liquid outlet channel;103rd, the second feed pathway;104、 Second liquid outlet channel;20th, the first shaft core;30th, the second shaft core;40th, motor;50th, clutch shaft bearing component;60th, second bearing component; 70th, First coolant jacket;701st, the first coolant flow channel;80th, the second coolant jacket;801st, the second coolant flow channel;90th, the first dustproof cover; 901st, first annular groove;91st, the second dustproof cover;911st, second annular groove;92nd, drive end bearing bracket;921st, third annular groove; 93rd, rear end cap;931st, fourth annular groove;94th, the first clearance channel;95th, the second clearance channel;96th, first gas passage; 97th, second gas channel.
Specific embodiment
In the following, with reference to attached drawing and specific embodiment, the utility model is described further, it should be noted that Under the premise of not colliding, it can be formed in any combination between various embodiments described below or between each technical characteristic new Embodiment.
As shown in Figure 1, a kind of double end main shaft, including housing 10, the first shaft core 20, the second shaft core 30 and motor 40, first 20 and second shaft core 30 of shaft core is respectively pivoted to 10 inner wall of housing, and one end of housing 10 is stretched out in one end of the first shaft core 20, and second The other end of housing 10 is stretched out in one end of shaft core 30;Motor 40 is fixedly installed in housing 10, the other end of the first shaft core 20 with Motor shaft one end of motor 40 is affixed, and the other end of the second shaft core 30 and the motor shaft other end of motor 40 are affixed.
On the basis of above structure, this kind of double end main shaft is being used, one end and the second shaft core due to the first shaft core 20 The both ends of housing 10 are stretched out in 30 one end respectively, and the other end of the first shaft core 20 and the other end of the second shaft core 30 respectively with electricity The both ends of arbor are affixed, therefore one end of the first shaft core 20 and one end of the second shaft core 30 can be used as processing end to carry out workpiece Processing improves the working efficiency of work pieces process, saves time cost, while one end of the first shaft core 20 and the second shaft core 30 One end only can need to carry out the installation that is once fixedly clamped to workpiece, just realize workpiece respectively as finishing end and roughing end Coarse-fine processing demand, reduce Workpiece clamping fixed installation number, ensure that Workpiece clamping be fixedly mounted position one It causes, so as to improve the machining accuracy of workpiece.
Further, in the present embodiment, this kind of double end main shaft further includes clutch shaft bearing component 50 and second bearing component 60, the first shaft core 20 is articulated in 10 inner wall of housing by clutch shaft bearing component 50, and the second shaft core 30 passes through second bearing component 60 10 inner wall of housing is articulated in, the bearing that clutch shaft bearing component 50 is serially connected fitting installation by four is formed, second bearing group The bearing that part 60 is serially connected fitting installation by two is formed, and by rational bearing configuration mode, ensure that main shaft at a high speed Both ends axially and radially has enough rigidity during operating, while ensure that the temperature rise value of main shaft and vibration values are small, so as to Grinding is carried out to workpiece in different environments to realize, the needs of workpiece high-precision processing have been effectively ensured.
Further, in the present embodiment, this kind of double end main shaft further includes the First coolant jacket 70 for cooling down motor 40, The outer wall of First coolant jacket 70 circumferentially offers several first coolant flow channels 701, and First coolant jacket 70 is socketed on the outer of motor 40 Shell;Housing 10 offers the first feed pathway 101 and the first liquid outlet channel 102 along housing 10 is axial, the first feed pathway 101 with First liquid outlet channel 102 connects respectively with each first coolant flow channel 701, can be to main shaft by setting First coolant jacket 70 Motor 40 carries out comprehensive cooling, effectively the Wen Sheng of inhibition main shaft, reduction main shaft thermal deformation, guarantee main shaft long-time stable, It reliably works, ensure that higher machining accuracy.
Further, in the present embodiment, as shown in Fig. 2, this kind of double end main shaft is further included for the several of cooling bearing A second coolant jacket 80;Each bearing outer ring of clutch shaft bearing component 50 is fixed in one end inner wall of housing 10, second bearing group Each bearing of part 60 is fixed in the other end inner wall of housing 10, and one end outer wall of housing 10 and the other end outer wall of housing 10 are opened Equipped with several second coolant flow channels 801, each second coolant jacket 80 is socketed on one end outer wall of housing 10 and housing 10 respectively Other end outer wall, housing 10 offer the second feed pathway 103 and the second liquid outlet channel 104, the second feed liquor along housing 10 is axial 103 and second liquid outlet channel 104 of channel connects respectively with each second coolant flow channel 801, by setting the second coolant jacket 80, subtracts Few influences of the Wen Sheng to front and back bearings performance, ensure that machining accuracy, extends the service life of main shaft.
Further, in the present embodiment, as shown in Figure 3-4, this kind of double end main shaft further includes the first dustproof cover 90, second Dustproof cover 91, drive end bearing bracket 92 and rear end cap 93, the first dustproof cover 90 and drive end bearing bracket 92 are fixed in one end of housing 10 successively, and first Dustproof cover 90 and drive end bearing bracket 92 are separated by form the first tortuous clearance channel 94, and the second dustproof cover 91 and rear end cap 93 are affixed successively In the other end of housing 10, the second dustproof cover 91 and rear end cap 93 are separated by form the second tortuous clearance channel 95, and first is dust-proof Lid 90 is separated by form the first tortuous clearance channel 94 with drive end bearing bracket 92, and increase grinding fluid enters the difficulty inside main shaft, ensures The normal work of main shaft, equally, the second dustproof cover 91 be separated by with rear end cap 93 to form the second tortuous clearance channel 95 can be real Now with the function and effect of the first clearance channel 94.
Further, in the present embodiment, the outer wall of the first dustproof cover 90 offers first annular groove 901, and second is anti- The outer wall of dirt lid 91 offers second annular groove 911, the cross-sectional area of first annular groove 901 and second annular groove 911 Cross-sectional area be gradually reduced along groove top to slot bottom, the benefit designed in this way be so that dustproof cover above grinding fluid in gravity It under effect, flows to first annular groove 901 and second annular groove 911 is collected, most grinding fluid can because of centrifugal force and again Main shaft is thrown away under the collective effect of power, reduces the chance that grinding fluid enters main shaft.
Further, in the present embodiment, the outside wall surface of drive end bearing bracket 92 offers third annular groove 921, rear end cap 93 Outside wall surface offer fourth annular groove 931, third annular groove 921 is connected with the first clearance channel 94, and fourth annular is recessed Slot 931 is connected with the second clearance channel 95, by setting third annular groove 921, when the grinding fluid of the first dustproof cover 90 flows to When third annular groove 921 collects, grinding fluid goes downstream under gravity, reduces the machine that grinding fluid enters main shaft Meeting, similary fourth annular groove 931 realize the function and effect with third annular groove 921.
Further, in the present embodiment, as in Figure 2-4, housing 10 offers first gas along the axial direction of housing 10 Channel 96 and second gas channel 97, first gas passage 96 are connected with the first clearance channel 94, second gas channel 97 and Two clearance channels 95 connect, and by setting first gas passage 96 and second gas channel 97, access compressed air, in time will be into Enter grinding fluid, the abrasive dust blowout of the first clearance channel 94 and the second clearance channel 95, prevent grinding fluid and abrasive dust from entering in main shaft Portion causes main shaft to damage.
Further, in the present embodiment, the first shaft core 20 and the second shaft core 30 are integrated with the motor shaft of motor 40 respectively Molding, integrally formed benefit are to enhance the structural strength that the first shaft core 20, the second shaft core 30 are connected with motor shaft three.
Further, in the present embodiment, if this kind of double end main shaft further includes dry temperature sensor, each temperature sensor It is respectively arranged in inside motor 40, inside 50 inside of clutch shaft bearing component and second bearing component 60, is sensed by set temperature Device can timely and effectively monitor and feed back the working condition of motor 40 and bearing, ensure that main shaft is operated in best work shape State.
The above embodiment is only the preferred embodiment of the utility model, it is impossible to be protected with this to limit the utility model Range, the variation and replacement of any unsubstantiality that those skilled in the art is done on the basis of invention belong to this reality With novel range claimed.

Claims (10)

1. a kind of double end main shaft, it is characterised in that:Including housing, the first shaft core, the second shaft core and motor, first shaft core and Second shaft core is respectively pivoted to the inner walls, and one end of the housing is stretched out in one end of first shaft core, described The other end of the housing is stretched out in one end of second shaft core;The motor is fixedly installed in the housing, first shaft core The other end and the motor motor shaft one end it is affixed, the motor shaft of the other end and the motor of second shaft core is another It holds affixed.
2. a kind of double end main shaft as described in claim 1, it is characterised in that:The double end main shaft further includes clutch shaft bearing component With second bearing component, first shaft core is articulated in the inner walls, second axis by the clutch shaft bearing component Core is articulated in the inner walls by the second bearing component;
The bearing that the clutch shaft bearing component is serially connected fitting installation by four is formed, and the second bearing component is by two The bearing for being serially connected fitting installation is formed.
3. a kind of double end main shaft as described in claim 1, it is characterised in that:The double end main shaft further includes described for cooling down The First coolant jacket of motor, the outer wall of the First coolant jacket circumferentially offer several first coolant flow channels, first cooling It is socketed on the shell of the motor;The housing axially offers the first feed pathway and the first liquid outlet channel, institute along housing The first feed pathway is stated to connect with each first coolant flow channel respectively with first liquid outlet channel.
4. a kind of double end main shaft as claimed in claim 2, it is characterised in that:The double end main shaft is further included for cooling bearing Several second coolant jackets;Each bearing outer ring of the clutch shaft bearing component is fixed in one end inner wall of the housing, institute The each bearing for stating second bearing component is fixed in the other end inner wall of the housing, one end outer wall and the shell of the housing The other end outer wall of body offers several second coolant flow channels, and each second coolant jacket is socketed on the one of the housing respectively Hold the other end outer wall of outer wall and the housing, the housing axially offers the second feed pathway and second along housing and goes out liquid and lead to Road, second feed pathway and second liquid outlet channel connect respectively with each second coolant flow channel.
5. a kind of double end main shaft as described in claim 1, it is characterised in that:The double end main shaft further include the first dustproof cover, Second dustproof cover, drive end bearing bracket and rear end cap, first dustproof cover and the drive end bearing bracket are fixed in one end of the housing successively, First dustproof cover and the drive end bearing bracket are separated by form the first tortuous clearance channel, second dustproof cover and the rear end Lid is fixed in the other end of the housing successively, and second dustproof cover and the rear end cap are separated by form the second tortuous gap Channel.
6. a kind of double end main shaft as claimed in claim 5, it is characterised in that:The outer wall of first dustproof cover offers first Annular groove, the outer wall of second dustproof cover offer second annular groove, the cross-sectional area of the first annular groove and The cross-sectional area of the second annular groove is gradually reduced along groove top to slot bottom.
7. a kind of double end main shaft as claimed in claim 6, it is characterised in that:The outside wall surface of the drive end bearing bracket offers third ring Connected in star, the outside wall surface of the rear end cap offer fourth annular groove, and the third annular groove leads to first gap Road connects, and the fourth annular groove is connected with second clearance channel.
8. a kind of double end main shaft as claimed in claim 7, it is characterised in that:The housing offers first along the axial direction of housing Gas passage and second gas channel, the first gas passage are connected with first clearance channel, and the second gas is led to Road is connected with second clearance channel.
9. a kind of double end main shaft as described in claim 1, it is characterised in that:First shaft core and second shaft core difference It is integrally formed with the motor shaft of the motor.
10. a kind of double end main shaft as claimed in claim 2, it is characterised in that:The double end main shaft further includes several temperature and passes Sensor, each temperature sensor are respectively arranged in the internal motor, the clutch shaft bearing component internal and described second Inside bearing assembly.
CN201721388597.7U 2017-10-24 2017-10-24 A kind of double end main shaft Active CN207522367U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201721388597.7U CN207522367U (en) 2017-10-24 2017-10-24 A kind of double end main shaft

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201721388597.7U CN207522367U (en) 2017-10-24 2017-10-24 A kind of double end main shaft

Publications (1)

Publication Number Publication Date
CN207522367U true CN207522367U (en) 2018-06-22

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201721388597.7U Active CN207522367U (en) 2017-10-24 2017-10-24 A kind of double end main shaft

Country Status (1)

Country Link
CN (1) CN207522367U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107877370A (en) * 2017-10-24 2018-04-06 广州市昊志机电股份有限公司 A kind of double end main shaft

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107877370A (en) * 2017-10-24 2018-04-06 广州市昊志机电股份有限公司 A kind of double end main shaft
CN107877370B (en) * 2017-10-24 2023-12-12 广州市昊志机电股份有限公司 Double-end main shaft

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