CN202151733U - A transmission device of a numerical control gear-hobbing machine - Google Patents

A transmission device of a numerical control gear-hobbing machine Download PDF

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Publication number
CN202151733U
CN202151733U CN 201120131082 CN201120131082U CN202151733U CN 202151733 U CN202151733 U CN 202151733U CN 201120131082 CN201120131082 CN 201120131082 CN 201120131082 U CN201120131082 U CN 201120131082U CN 202151733 U CN202151733 U CN 202151733U
Authority
CN
China
Prior art keywords
gear
shaft
shaft gear
screw nut
hobboing cutter
Prior art date
Application number
CN 201120131082
Other languages
Chinese (zh)
Inventor
李立强
姜辉
王伟顺
马蕾
杨志勇
陈强
张健
Original Assignee
齐重数控装备股份有限公司
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 齐重数控装备股份有限公司 filed Critical 齐重数控装备股份有限公司
Priority to CN 201120131082 priority Critical patent/CN202151733U/en
Application granted granted Critical
Publication of CN202151733U publication Critical patent/CN202151733U/en

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Abstract

The utility model discloses a transmission device of a numerical control gear-hobbing machine. The transmission device comprises a sliding plate feed shift structure and a main shaft rotary motion structure. The sliding plate feed shift structure is structurally characterized in that a sliding plate is disposed under a hob head body; a screw nut support is disposed on the top of the middle section of the sliding plate; the screw nut support stretches into a cavity of the hob head body; a locating hole in the screw nut support is provided with a ball screw but; and, in the cavity of the hob head body, the right end of a ball screw is fixed to the hob head body through a bearing, the middle of the ball screw is put through the ball screw nut, and the left end of the ball screw is connected with a servo motor through a coupler and a reducer disposed at the left end of the hob head body. The transmission device has a reasonable structure and a short transmission chain, improves transmission precision and efficiency of the gear-hobbing machine greatly, facilitates the use and repair of a machine tool greatly, and is especially suitable for computer process control and is beneficial to the automation of machine tool transmission.

Description

The transmission device of chain digital control gear hobbing machine
Technical field
the utility model relates to the transmission device of chain digital control gear hobbing machine, belongs to the Machining Technology field.
Background technology
Mostly the transmission system of existing general hobbing machine is differential attachment, by a main motor power is provided, and the principal rotating motion of process main shaft and feeding are moved synthetic by a cover differential gearing system after moving two cover driving-chain transmissions again.Because the driving-chain of existing transmission system is very long, structure is also comparatively complicated, thereby its transmission accuracy and efficient are all very low.In addition; The automaticity of existing general hobbing machine spindle is also very low; When processing the gear of the different numbers of teeth, modulus, also need change outside change gear structure; Sometimes also need the different moduluses of a large amount of subsequent use transposings, the gear of the number of teeth to take turns, to using and keeping in repair and all caused great inconvenience as adjustment.
Summary of the invention
in order to overcome above-mentioned deficiency, the utility model provides a kind of transmission device of chain digital control gear hobbing machine, and this device has transmission accuracy, efficient, characteristics that automaticity is high.
The technical scheme that its technical problem of the utility model chain digital control gear hobbing machine drive mechanism solution is taked is: this device comprises slide plate feeding travel mechanism and main axis rotation motion; The concrete structure of its middle slide plate feeding travel mechanism: below the hobboing cutter support body, slide plate is housed; At the top, waist the feed screw nut support is housed; The feed screw nut support is insinuated in the cavity of hobboing cutter support body, in the locating hole on the feed screw nut support ball-screw nut is housed; In the cavity of hobboing cutter support body, on the hobboing cutter support body, ball-screw nut is passed at the middle part to the right-hand member of ball-screw through bearing fixing, and left end is connected with servomotor with the decelerator that is installed in hobboing cutter support body left end through shaft coupling.
The concrete structure of the main axis rotation motion of the utility model is: deceleration box is installed on its right end face of hobboing cutter support body, and the I shaft gear, II shaft gear and the III shaft gear that laterally arrange are housed in it; The spindle motor that is installed in hobboing cutter support body top is connected with the I shaft gear through shaft coupling, and the I shaft gear is through gear A and the engagement of II shaft gear, and the II shaft gear is through gear B and the engagement of III shaft gear; Right-hand member at the III shaft gear is equipped with flywheel, and main shaft is contained in the below of III shaft gear, is contained in the sliding sleeve through spline, and the external cylindrical surface of sliding sleeve is connected with gear wheel through flat key.
The beneficial effect of the utility model is: the design is rational in infrastructure, driving-chain is short, has improved the transmission accuracy and the efficient of gear-hobbing machine greatly.For the use of lathe, maintenance also all provide great convenience.The design also is particularly suitable for computer program control, helps realizing the automation of lathe transmission.
Description of drawings
specify the utility model below in conjunction with the accompanying drawing and the specific embodiment.
Fig. 1 is the structural representation of the utility model.
Label among the figure:
1, ball-screw nut 2, hobboing cutter support body 3, ball-screw 4, shaft coupling 5, decelerator
6, servomotor 7, slide plate 8, shaft coupling 9, spindle motor 10, deceleration box
11, I shaft gear 12, gear A 13, II shaft gear 14, gear B 15, III shaft gear
16, flywheel 17, flat key 18, main shaft 19, sliding sleeve 20, gear wheel 21, feed screw nut support.
The specific embodiment
are as shown in Figure 1; The technical scheme that its technical problem of the utility model chain digital control gear hobbing machine drive mechanism solution is taked is: this device comprises slide plate feeding moving structure and main axis rotation motion structure; Its middle slide plate feeding moving structure comprises: ball-screw nut 1, hobboing cutter support body 2, ball-screw 3, shaft coupling 4, decelerator 5, servomotor 6, slide plate 7, the main axis rotation motion structure comprises: shaft coupling 8, spindle motor 9, deceleration box 10, I shaft gear 11, gear A 12, II shaft gear 13, gear B 14, III shaft gear 15, flywheel 16, flat key 17, main shaft 18, sliding sleeve 19, gear wheel 20.In slide plate feeding moving structure: slide plate 7 is installed in the bottom of hobboing cutter support body 2, and ball-screw nut 1 is installed in the locating hole on the slide plate 7 postmedian feed screw nut supports 21, and decelerator 5 is installed in place, hobboing cutter support body 2 left sides; Servomotor 6 is installed on the left side of decelerator 5, and the output shaft of decelerator 5 connects through shaft coupling 4 and ball-screw 3 left axle heads, and ball-screw 3 is installed in the hobboing cutter support body 2 middle part cavitys; In the main axis rotation motion structure: deceleration box 10 is installed on its right end face of hobboing cutter support body 2; Spindle motor 9 is installed in the top of hobboing cutter support body 2, and the output shaft of spindle motor 9 links to each other with the I shaft gear that is installed in deceleration box 10 tops 11 left axle heads through shaft coupling 8, and II shaft gear 13 is installed in parallel in the bottom of I shaft gear 11; Gear A 12 is installed in the left part of II shaft gear 13; I shaft gear 11 and gear A 12 engagements, III shaft gear 15 is installed in parallel in the bottom of II shaft gear 13, and gear B 14 is installed in the right part of III shaft gear 15; II shaft gear 13 and gear B 14 engagements; Flywheel 16 is installed in the right axle head of III shaft gear 15, and sliding sleeve 19 is installed in the middle part of main shaft 18 male splined shafts, and gear wheel 20 is installed on sliding sleeve 19 external cylindrical surfaces; Flat key 17 is installed in the keyway in the middle part of sliding sleeve 19 external cylindrical surfaces and with gear wheel 20 keyways and cooperates; Main shaft 18 is installed in the bottom of III shaft gear 15, and main shaft 18 male splined shafts are through in the internal splined hole of sliding sleeve 19, III shaft gear 15 and gear wheel 20 engagements.
Below be the course of work of the utility model:
The feeding moving process of slide plate: the motor shaft rotation of servomotor 6 drives decelerator 5 rotations; The output shaft of decelerator 5 directly drives ball-screw 3 rotation through shaft coupling 4, and ball-screw 3 rotates drive ball-screw nuts 1, slide plate 7, main shaft 18 and axially does feed motion along main shaft 18.
The rotary movement of main shaft: the output shaft of spindle motor 9 drives 11 rotations of I shaft gear through shaft coupling 8; I shaft gear 11 rotates driven wheel A 12,13 rotations of II shaft gear; II shaft gear 13 rotates driven wheel B 14, III shaft gear 15, flywheel 16 rotations, and 15 rotations of III shaft gear drive gear wheels 20 rotations, and gear wheel 20 transmits sliding sleeve 19 through flat key 17 with moment of torsion; Sliding sleeve 19 passes to main shaft 18 through internal splined hole with moment of torsion, driving main shaft 18 rotations.

Claims (2)

1. chain digital control gear hobbing machine transmission device; It is characterized in that: this device comprises slide plate feeding travel mechanism and main axis rotation motion; The concrete structure of slide plate feeding travel mechanism is: in the below of hobboing cutter support body (2) slide plate (7) is housed; At the top, stage casing of slide plate (7) feed screw nut support (21) is housed, feed screw nut support (21) is insinuated in the cavity of hobboing cutter support body (2), and ball-screw nut (1) is housed in the locating hole on feed screw nut support (21); In the cavity of hobboing cutter support body (2); The right-hand member of ball-screw (3) passes through bearing fixing on hobboing cutter support body (2); Ball-screw nut (1) is passed at the middle part, and left end is connected with servomotor (6) with the decelerator (5) that is installed in hobboing cutter support body (2) left end through shaft coupling (4).
2. chain digital control gear hobbing machine transmission device according to claim 1; It is characterized in that: the concrete structure of main axis rotation motion is: deceleration box (10) is installed on its right end face of hobboing cutter support body (2), and the I shaft gear (11), II shaft gear (13) and the III shaft gear (15) that laterally arrange are housed in it; The spindle motor (9) that is installed in hobboing cutter support body (2) top is connected with I shaft gear (11) through shaft coupling (8); I shaft gear (11) is through gear A (12) and II shaft gear (13) engagement, and II shaft gear (13) is through gear B (14) and III shaft gear (15) engagement; Right-hand member at III shaft gear (15) is equipped with flywheel (16), and main shaft (18) is contained in the below of III shaft gear (15), is contained in the sliding sleeve (19) through spline, and the external cylindrical surface of sliding sleeve (19) is connected with gear wheel (20) through flat key (17).
CN 201120131082 2011-04-29 2011-04-29 A transmission device of a numerical control gear-hobbing machine CN202151733U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201120131082 CN202151733U (en) 2011-04-29 2011-04-29 A transmission device of a numerical control gear-hobbing machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201120131082 CN202151733U (en) 2011-04-29 2011-04-29 A transmission device of a numerical control gear-hobbing machine

Publications (1)

Publication Number Publication Date
CN202151733U true CN202151733U (en) 2012-02-29

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Application Number Title Priority Date Filing Date
CN 201120131082 CN202151733U (en) 2011-04-29 2011-04-29 A transmission device of a numerical control gear-hobbing machine

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CN (1) CN202151733U (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103111637A (en) * 2013-02-04 2013-05-22 常州工学院 Quick-changing type hob main shaft of gear hobbing machine
CN103934512A (en) * 2014-05-09 2014-07-23 南京众得利自动化机械有限公司 Chamfering knife rest device with ejection pin
CN105458307A (en) * 2016-01-15 2016-04-06 重庆机床(集团)有限责任公司 High-rigidity and high-precision hob spindle supporting transmission structure
CN105563210A (en) * 2016-03-27 2016-05-11 林志贺 Rotary cutting type numerically controlled lathe
CN106424972A (en) * 2016-09-30 2017-02-22 浙江日创机电科技有限公司 Right-angled base of numerical control gear hobbing machine
CN109079261A (en) * 2018-08-04 2018-12-25 王飞 A kind of Gear Processing cutter frame mechanism

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103111637A (en) * 2013-02-04 2013-05-22 常州工学院 Quick-changing type hob main shaft of gear hobbing machine
CN103111637B (en) * 2013-02-04 2015-06-03 常州工学院 Quick-changing type hob main shaft of gear hobbing machine
CN103934512A (en) * 2014-05-09 2014-07-23 南京众得利自动化机械有限公司 Chamfering knife rest device with ejection pin
CN105458307A (en) * 2016-01-15 2016-04-06 重庆机床(集团)有限责任公司 High-rigidity and high-precision hob spindle supporting transmission structure
CN105458307B (en) * 2016-01-15 2018-01-30 重庆机床(集团)有限责任公司 A kind of high rigidity, high-precision hobboing cutter main shaft support drive mechanism
CN105563210A (en) * 2016-03-27 2016-05-11 林志贺 Rotary cutting type numerically controlled lathe
CN106424972A (en) * 2016-09-30 2017-02-22 浙江日创机电科技有限公司 Right-angled base of numerical control gear hobbing machine
CN106424972B (en) * 2016-09-30 2018-07-13 浙江日创机电科技有限公司 A kind of square pedestal of chain digital control gear hobbing machine
CN109079261A (en) * 2018-08-04 2018-12-25 王飞 A kind of Gear Processing cutter frame mechanism

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CX01 Expiry of patent term

Granted publication date: 20120229