CN203565884U - Tool spindle device of numerical control spiral bevel gear milling machine - Google Patents

Tool spindle device of numerical control spiral bevel gear milling machine Download PDF

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Publication number
CN203565884U
CN203565884U CN201320714913.0U CN201320714913U CN203565884U CN 203565884 U CN203565884 U CN 203565884U CN 201320714913 U CN201320714913 U CN 201320714913U CN 203565884 U CN203565884 U CN 203565884U
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CN
China
Prior art keywords
tool spindle
spindle
milling machine
torque motor
control spiral
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.)
Withdrawn - After Issue
Application number
CN201320714913.0U
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Chinese (zh)
Inventor
王秀梅
王景召
柴宝连
吴杰
王威
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Tianjin No1 Machine Tool Works
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Tianjin No1 Machine Tool Works
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Publication date
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Priority to CN201320714913.0U priority Critical patent/CN203565884U/en
Application granted granted Critical
Publication of CN203565884U publication Critical patent/CN203565884U/en
Withdrawn - After Issue legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model relates to a tool spindle device of a numerical control spiral bevel gear milling machine. The tool spindle device of the numerical control spiral bevel gear milling machine comprises a spindle box and a tool spindle arranged in the spindle box. The tool spindle device of the numerical control spiral bevel gear milling machine is characterized in that a torque motor stator and a torque motor rotor are fixed inside the spindle box, the torque motor rotor is connected with the tool spindle through a taper sleeve and a key, one end of the tool spindle is provided with an encoder through a sleeve and a locking nut, and a damping mechanism which can exert a reverse force on the tool spindle is installed in the middle of the tool spindle. The tool spindle device of the numerical control spiral bevel gear milling machine has the advantages that the tool spindle is driven to rotate by a torque motor directly, the problems of transmission precision and transmission efficiency losses caused by cradle transmission can be avoided, and the motion speed of the tool spindle is improved; moreover, the problems that the machining precision is affected by a gear transmission structure, transmission errors are prone to occurring and noise is large can further be solved. In addition, a hydraulic motor is used for exerting a reverse force on the tool spindle through gear transmission so as to achieve the damping effect, so that transmission of the tool spindle is more stable and more reliable, and the machining precision is improved.

Description

Milling machine of digital-control spiral conical gear tool spindle device
Technical field
The utility model belongs to gear machine technical field, particularly relates to a kind of milling machine of digital-control spiral conical gear tool spindle device.
Background technology
Milling machine of digital-control spiral conical gear, at a high speed, accurately cutting spiral bevel gear, improves tooth accuracy and fineness, reaches stable drive, reduces noise and proposes high-precision requirement.
Traditional tooth milling machine cutter spindle adopts cage chair transmission, and cutting tool (cutterhead) is anchored on the main shaft of cage chair, and by means of the rotation of cage chair eccentric drum, cutterhead is installed on certain position.So not only can lose transmission accuracy and transmission efficiency, the movement velocity of cutter spindle also can be restricted simultaneously.Due to the restriction of above-mentioned tooth milling machine cutter spindle structure, can only adopt at present interrupted division method processing screw-pinch bevel gear and hypoid gear, and can not adopt continuous indexing processing cycloid equal-depth teeth bevel and hypoid gesrs.Although between nearly 1 year, occurred adopt gear-driven two generation cutter spindle structure, due to the impact that gear is originally experienced machining accuracy, easily there is driving error, and then affected the machining accuracy of bevel gear.
Utility model content
The utility model provides a kind of milling machine of digital-control spiral conical gear tool spindle device that adopts torque motor directly to drive cutter spindle as power and can increase substantially transmission accuracy and working (machining) efficiency for solving the technical problem existing in known technology.
The technical scheme that the utility model is taked for the technical problem existing in solution known technology is:
Milling machine of digital-control spiral conical gear tool spindle device, comprise main spindle box body and be arranged on the cutter spindle in main spindle box body, it is characterized in that: in described main spindle box body, be fixed with torque motor stator and torque motor rotor, described torque motor rotor is connected with cutter spindle with key by tapered sleeve, described cutter spindle one end is provided with encoder by cover and locking nut, at cutter spindle position placed in the middle, is equipped with and can produces to it damping mechanism of opposite force effect.
The utility model can also adopt following technical scheme:
Described damping mechanism comprises the first gear of being arranged on cutter spindle, be arranged on the second gear on power transmission shaft and that engage with the first gear and be arranged on the hydraulic motor of the outer side of main spindle box body, described power transmission shaft is arranged in hydraulic motor seat by bearings, and described hydraulic motor is connected with power transmission shaft by flat key.
Described torque motor stator puts outward and has tank, and is provided with the cooling water supply connector of cooling water circulation and cooling water outlet joint are provided for torque motor is cooling.
Advantage and the good effect that the utlity model has are: because utility model adopts technique scheme, adopt torque motor direct to connect in succession cutter spindle, and by torque motor, directly drive cutter spindle rotation, not only can avoid cage chair transmission cause transmission accuracy and transmission efficiency loss, improved the movement velocity of cutter spindle; But also can solve gear transmission structure, affect machining accuracy, easily occur the problem that driving error and noise are large.In addition, adopt hydraulic motor to opposite force of cutter spindle, to play damping action by gear drive, and then make cutter spindle transmission more steadily reliable, improve machining accuracy.Milling machine of digital-control spiral conical gear adopts this cutter spindle mechanism also can carry out high speed, accurate machining to spiral bevel gear, improves machining accuracy and the fineness of the flank of tooth, and then improves transmission accuracy and the transmission stability of spiral bevel gear.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
In figure: 1, tapered sleeve; 2, torque motor stator; 3, torque motor rotor; 4, the first locking nut; 5, the first oil baffle disc; 6, the first rotary oil seal; 7, the first gear; 8, the second rotary oil seal; 9, the second oil baffle disc; 10, rear bearing; 11, main spindle box body; 12, fore bearing; 13, drive end bearing bracket; 14, cutter spindle; 15, the second locking nut; 16, hydraulic motor; 17, power transmission shaft; 18, hydraulic motor seat; 19, bearing; 20, encoder; 21, ring flange; 22, the second gear; 23, cooling water outlet joint; 24, cooling water supply connector; 25, seal cover; 26, circlip; 27, casing bonnet; 28, the 3rd locking nut; 29, cover.
The specific embodiment
For further understanding utility model content of the present utility model, Characteristic, hereby exemplify following examples, and coordinate accompanying drawing to be described in detail as follows:
Refer to Fig. 1, milling machine of digital-control spiral conical gear tool spindle device, comprises main spindle box body 11 and is arranged on the cutter spindle 14 in main spindle box body.In described main spindle box body, be fixed with torque motor stator 2 and torque motor rotor 3, described torque motor rotor 3 is fixed on the tapered sleeve 1 that is positioned at main spindle box body, and is connected with cutter spindle by flat key.Described cutter spindle supports and is fixed in main spindle box body 11 and casing bonnet 27 by fore bearing 12, rear bearing 10 and auxiliary bearing, and described auxiliary bearing is fixing by circlip 26, and seal cover 25 is housed on casing bonnet 30.In cutter spindle one end, by drive end bearing bracket 13, seal, the described cutter spindle other end by overlap 29 and the 3rd locking nut 28 encoder 20 is installed, at cutter spindle position placed in the middle, be equipped with and can produce to it damping mechanism of opposite force effect.
In the present embodiment, described damping mechanism comprises the first gear 7 of being arranged on cutter spindle, be arranged on the second gear 22 on power transmission shaft 17 and that engage with the first gear and be arranged on the hydraulic motor 16 of the outer side of main spindle box body, described power transmission shaft is arranged in hydraulic motor seat by bearings, and described hydraulic motor is connected with power transmission shaft by flat key.Described the first gear 7 is fixed on cutter spindle 14 by the second locking nut 15, described power transmission shaft 17 is supported and is arranged in hydraulic motor seat 18 by a pair of fore bearing 19 and a rear bearing 19, power transmission shaft front end is fixing by ring flange 21, and power transmission shaft rear end is fixing by the second locking nut 15.Described hydraulic motor 16 is fixed on hydraulic motor seat 18, described hydraulic motor axle is connected with power transmission shaft 17 by flat key, can play the opposite force damping action to cutter spindle 14 by the transmission of hydraulic motor 18, power transmission shaft 17, the second gear 22 and the first gear 7 like this.
The first oil baffle disc 5, the second oil baffle disc 9, the first rotary oil seal 6 and the second rotary oil seal 8 are housed on casing, described the first oil baffle disc 5, the second oil baffle disc 9, the first rotary oil seal 6 and the second rotary oil seal 8 are that casing 11 middle parts are formed to an oil sump, to be that the first gear 7 and the second gear 22 are lubricated.
Described cutter spindle 14 other ends by overlap 29 and second locking nut 28 encoder 20 is housed, by encoder, realize closed-loop control.
In the present embodiment, described torque motor stator puts outward and has tank, and be provided with cooling water supply connector 24 and cooling water outlet joint 23 that cooling water circulation is provided for torque motor, by external water cooling unit, cooling water supply connector 24 and cooling water outlet joint 23, be that torque motor is cooling.
It should be noted that, unless otherwise clearly defined and limited, term " first ", " second " etc. do not represent order installation, do not represent the importance of described part yet.
The example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar part or has the part of identical or similar functions from start to finish.The embodiment describing in the utility model accompanying drawing is exemplary, only for explaining the utility model, and can not be interpreted as restriction of the present utility model.

Claims (3)

1. a milling machine of digital-control spiral conical gear tool spindle device, comprise main spindle box body and be arranged on the cutter spindle in main spindle box body, it is characterized in that: in described main spindle box body, be fixed with torque motor stator and torque motor rotor, described torque motor rotor is connected with cutter spindle with key by tapered sleeve, described cutter spindle one end is provided with encoder by cover and locking nut, and the damping mechanism that can produce to it opposite force is housed at cutter spindle position placed in the middle.
2. milling machine of digital-control spiral conical gear tool spindle device according to claim 1, it is characterized in that: described damping mechanism comprises the first gear of being arranged on cutter spindle, be arranged on the second gear on power transmission shaft and that engage with the first gear and be arranged on the hydraulic motor of the outer side of main spindle box body, described power transmission shaft is arranged in hydraulic motor seat by bearings, and described hydraulic motor is connected with power transmission shaft by flat key.
3. milling machine of digital-control spiral conical gear tool spindle device according to claim 1, it is characterized in that: described torque motor stator puts outward and has tank, and be provided with the cooling water supply connector of cooling water circulation and cooling water outlet joint are provided for torque motor is cooling.
CN201320714913.0U 2013-11-14 2013-11-14 Tool spindle device of numerical control spiral bevel gear milling machine Withdrawn - After Issue CN203565884U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201320714913.0U CN203565884U (en) 2013-11-14 2013-11-14 Tool spindle device of numerical control spiral bevel gear milling machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201320714913.0U CN203565884U (en) 2013-11-14 2013-11-14 Tool spindle device of numerical control spiral bevel gear milling machine

Publications (1)

Publication Number Publication Date
CN203565884U true CN203565884U (en) 2014-04-30

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ID=50533643

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201320714913.0U Withdrawn - After Issue CN203565884U (en) 2013-11-14 2013-11-14 Tool spindle device of numerical control spiral bevel gear milling machine

Country Status (1)

Country Link
CN (1) CN203565884U (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103567469A (en) * 2013-11-14 2014-02-12 天津第一机床总厂 Machine tool spindle device of numerically-controlled gear milling machine for spiral bevel gear
CN105499611A (en) * 2016-02-24 2016-04-20 常州机电职业技术学院 Boring and turning combined machining spindle unit and method
CN108971659A (en) * 2017-06-01 2018-12-11 重庆瀚源机械有限公司 It is a kind of for processing the tooth milling machine of spiral bevel gear

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103567469A (en) * 2013-11-14 2014-02-12 天津第一机床总厂 Machine tool spindle device of numerically-controlled gear milling machine for spiral bevel gear
CN103567469B (en) * 2013-11-14 2016-04-13 天津第一机床总厂 Milling machine of digital-control spiral conical gear tool spindle device
CN105499611A (en) * 2016-02-24 2016-04-20 常州机电职业技术学院 Boring and turning combined machining spindle unit and method
CN108971659A (en) * 2017-06-01 2018-12-11 重庆瀚源机械有限公司 It is a kind of for processing the tooth milling machine of spiral bevel gear

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C14 Grant of patent or utility model
GR01 Patent grant
C25 Abandonment of patent right or utility model to avoid double patenting
AV01 Patent right actively abandoned

Granted publication date: 20140430

Effective date of abandoning: 20160413