CN109616002A - A kind of gear-hobbing machine teaching aid - Google Patents
A kind of gear-hobbing machine teaching aid Download PDFInfo
- Publication number
- CN109616002A CN109616002A CN201910064749.5A CN201910064749A CN109616002A CN 109616002 A CN109616002 A CN 109616002A CN 201910064749 A CN201910064749 A CN 201910064749A CN 109616002 A CN109616002 A CN 109616002A
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- China
- Prior art keywords
- gear
- cabinet
- pinion gear
- tooth
- shaft
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B25/00—Models for purposes not provided for in G09B23/00, e.g. full-sized devices for demonstration purposes
- G09B25/02—Models for purposes not provided for in G09B23/00, e.g. full-sized devices for demonstration purposes of industrial processes; of machinery
Abstract
A kind of gear-hobbing machine teaching aid, motor and main drive gear are cooperatively connected, and main drive gear is engaged with the auxiliary driving gear of upper and lower part with counter drive shaft respectively, and counter drive shaft end is connected with cone tooth, it bores tooth and pinion gear is intermeshed, the pinion gear on top is connected by gear hobbing cutter shaft with hobcutter；The pinion gear of lower part is meshed by worm and wheel, respectively there is a cabinet in base bottom or so, right side cabinet fixes major and minor transmission gear, left side cabinet can vertical direction it is mobile, supporting plate is installed in its dovetail groove, worm gear and wax-pattern are respectively positioned on cabinet by positioning cylinder and spring；The present invention passes through actual presentation Cutting Gear process principle, gear-hobbing machine working principle；Starting motor drives hobboing cutter to move, cutting wax-pattern, securely and reliably；The present invention can cutting master gear, also can cutting profile modified gear；Simplify the transmission process of industry gear-hobbing machine, the demonstration of prominent generation method principle greatly reduces cost.
Description
Technical field
The present invention relates to a kind of teaching aid, in particular to a kind of gear-hobbing machine teaching aid processes gear teaching aid using generating.
Background technique
Generation method also known as generating or envelope method are the most common methods of Cutting Machining of Gear, while being also " mechanical former
The elusive contents of course teachings middle school student such as reason " " Fundamentals of Machine Design ", therefore many schools all open up Cutting Gear
Experiment of Principle, to deepen understanding of the student to this method.The mode of experiment mainly include visit industrial gear-hobbing machine or gear shapping machine,
Involute forming process is simulated using gear model for demonstration purpose and Gear Processing process is simulated using computer simulation technique.
Due to industrial gear-hobbing machine or big, at high cost, the dangerous property of gear shapping machine volume, it is normally only used for lecture experiment,
Student cannot operate personally, and be difficult clearly to observe the forming process and Undercutting Phenomenon of involute in true processing environment
Deng it is little to understand that generating method principle helps to student.Gear model for demonstration purpose is a kind of easy device for simulating generation method principle,
Gear blank is replaced using round paper, portrays cutting process with pencil, it is at low cost, operational risk is not present, it is common at present high
The experimental provision generallyd use in the generation method Experiment of Principle of school, but be that student cannot see that using the shortcomings that gear model for demonstration purpose
Whole gear, it is not visual in image enough.There are also many schools to develop software program models generating by VB etc., same unfavorable
In the forming process of student's profound lesson involute.
Summary of the invention
In order to overcome the defects of the prior art described above, the purpose of the present invention is to provide a kind of gear-hobbing machine teaching aid, this teaching aids
With the advantages that multiple functional, structure is simple, compact, and easy to operate, not only facilitate teachers ' teaching, it is convenient to be also beneficial to student
Observation is copied, and is integrated theory with practice, more thorough to theoretical knowledge understanding, is also improved the ability of practice, be can be applied to each science and engineering
The teaching demonstration of the courses such as theory of mechanics, Fundamentals of Machine Design, the Machine Manufacturing Technology of universities and colleges, especially mechanical major.
In order to achieve the above object, the technical solution of the present invention is as follows:
A kind of gear-hobbing machine teaching aid, including pedestal 9, are fixed with motor 24 on pedestal 9,24 output shaft of motor by belt 20 with
Main drive gear 18 is cooperatively connected, and main drive gear 18 is engaged with the A auxiliary driving gear 15 on top, A auxiliary driving gear 15 and A pair
Transmission shaft 16 engages, and 16 end of A counter drive shaft is connected with A cone tooth 25, and A bores tooth 25 and B cone tooth 26 is intermeshed, and it is logical that B bores tooth 26
Conical tooth shaft is crossed to be connected with B pinion gear 12, B pinion gear 12 and A pinion gear 11 are intermeshed, A pinion gear 11 by gear hobbing cutter shaft with
Hobcutter 27 is connected；
Main drive gear 18 is also engaged with the B auxiliary driving gear 22 of lower part, and B auxiliary driving gear 22 is nibbled with B counter drive shaft 23
It closes, 23 end of B counter drive shaft is connected with D cone tooth 31, and D bores tooth 31 and C cone tooth 30 is intermeshed, and C bores tooth 30 and passes through conical tooth shaft and D
Pinion gear 29 is connected, and D pinion gear 29 and C pinion gear 28 are intermeshed, and C pinion gear 28 is meshed by worm and wheel 32；
Sliding is provided with A cabinet 2 on the fixed D cabinet 19 in the bottom end side of pedestal 9, the support rod of the other side；D cabinet 19
Main drive gear 18 and B auxiliary driving gear 22 is fixed, C cabinet 14 is installed in the dovetail groove of D cabinet 19, C cabinet 14 is logical
Cross two screws B cabinet 13 is fixed；
Supporting plate 5 is installed in the dovetail groove of 2 vertical direction of A cabinet, by positioning cylinder 6 and spring 7 by worm gear 8 and wax
Mould 4 is respectively positioned on A cabinet 2 and supporting plate 5.Couple chip plate 10 on supporting plate 5, A cabinet 2 is erected in dovetail groove by knob 1
Histogram is to movement.
Compared with the prior art, the advantages of the present invention are as follows:
1, can cutting master gear, also can cutting profile modified gear；Student drives hobboing cutter movement, cutting by starting motor
Wax-pattern, securely and reliably；Simplify the transmission process of industry gear-hobbing machine, the demonstration of prominent generation method principle greatly reduces cost.
2 make classroom originally dry as dust become the more interests of flavor and are readily appreciated that, for the reform for catering to structure of education, this rolling
Tooth machine is intended to facilitate by actual presentation Cutting Gear process principle, gear-hobbing machine working principle the explanation of teacher, deepens classmate
Understanding.
3 structures are simple, compact, and easy to operate etc., it will be while student's theories of learning knowledge real entity
Show at the moment, not only facilitate teachers ' teaching, is also beneficial to student and facilitates observation, copy, integrate theory with practice, make student
Theoretical knowledge is understood more thorough.
Detailed description of the invention
Fig. 1 is assembling front view of the invention.
Fig. 2 is that assembly of the invention just waits shaft side figures.
Specific embodiment
The invention will now be described in detail with reference to the accompanying drawings.
Referring to Fig.1, Fig. 2, a kind of gear-hobbing machine teaching aid, including pedestal 9 are fixed with motor 24,24 output shaft of motor on pedestal 9
It is cooperatively connected by belt 20 and main drive gear 18, so that the kinetic energy of motor 24 is directly passed to main drive gear 18 and completes to move
The transmitting of energy.Main drive gear 18 is engaged with the A auxiliary driving gear 15 on top, and A auxiliary driving gear 15 is nibbled with A counter drive shaft 16
It closes, 16 end of A counter drive shaft is connected with A cone tooth 25, and A bores tooth 25 and B cone tooth 26 is intermeshed, and B bores tooth 26 and passes through conical tooth shaft and B
Pinion gear 12 is connected, and B pinion gear 12 and A pinion gear 11 are intermeshed, and A pinion gear 11 is connected by gear hobbing cutter shaft with hobcutter 27
It connects；Kinetic energy is transmitted on 27 transmission shaft of hobcutter and worm screw by A pinion gear 11 and C pinion gear 28 respectively, 27 transmission shaft of hobcutter
Hobcutter and worm gear are driven with worm screw, so that wax-pattern 4 is carried out axial rotation by the transmission of worm and gear, hobcutter 27 is in wax-pattern 4
On wax-pattern 4 is processed.
Main drive gear 18 is also engaged with the B auxiliary driving gear 22 of lower part, and B auxiliary driving gear 22 is nibbled with B counter drive shaft 23
It closes, 23 end of B counter drive shaft is connected with D cone tooth 31, and D bores tooth 31 and C cone tooth 30 is intermeshed, and C bores tooth 30 and passes through conical tooth shaft and D
Pinion gear 29 is connected, and D pinion gear 29 and C pinion gear 28 are intermeshed, and C pinion gear 28 is meshed by worm and wheel 32.
Sliding is provided with A cabinet 2 on the fixed D cabinet 19 in the bottom end side of pedestal 9, the support rod of the other side；D cabinet 19
By bearing, B counter drive shaft 23 and main shaft that main drive gear 18 and B auxiliary driving gear 22 is fixed, C cabinet 14 passes through swallow
Stern notch links together with D cabinet 19, and C cabinet 14 is fixed by B cabinet 13 by two screws, and knob 17 drives screw-driven,
It adjusts cabinet C cabinet 14 and 13 entirety of B cabinet moves in dovetail groove, the distance between adjustable hobboing cutter 27 and wax-pattern 4 are real
The processing of existing profile modified gear.
Supporting plate 5 is installed in the dovetail groove of the vertical direction of A cabinet 2, by positioning cylinder 6 and spring 7 by 8 He of worm gear
Wax-pattern 4 is respectively positioned on A cabinet 2 and supporting plate 5 and is fixed with nut 3, and chip plate 10 is coupled by bolt and supporting plate 5, uses
To collect the chip generated in hobbing process；Knob 1 drives screw-driven, so that A cabinet 2 can be along vertical in dovetail groove
Direction is mobile.
The operation principle of the present invention is that:
As shown in Figure 1, 2, gear-hobbing machine is made of purely mechanic mechanism, including rack, gear unit and working cell.Wherein pass
Moving cell is by motor 24, A pinion gear 11, B pinion gear 12, A auxiliary driving gear 15, main drive gear 18, B auxiliary driving gear 22, C
Pinion gear 28, D pinion gear 29, A bore tooth 25, B cone tooth 26, C cone tooth 30, D cone tooth 31, A counter drive shaft 16, B counter drive shaft 23 with
And several bearing compositions.Working cell is made of worm screw 32, hobcutter 27, worm gear 8, wax-pattern 4.When work, 24 output shaft of motor
By belt wheel and belt 20, drives main drive gear 18 to rotate, be engaged biography with A auxiliary driving gear 15, B auxiliary driving gear 22
Dynamic, A counter drive shaft 16 and B counter drive shaft 23 drive A cone tooth 25 and D cone tooth 31 to rotate, and A bores tooth 25 and D cone tooth 31 and B bores tooth 26
With 30 engaged transmission of C cone tooth, B cone tooth 26 and C bore tooth 30 and rotate B pinion gear 12 and D pinion gear 29 by transmission shaft, the small tooth of B
Wheel 12 and D pinion gear 29 is meshed with A pinion gear 11 and C pinion gear 28 rotation respectively, the drive worm shaft of C pinion gear 28 and worm screw
32 are driven with worm gear 8, and A pinion gear 11 drives gear hobbing cutter shaft and hobcutter 27 to process wax-pattern 4, complete gear hobbing process
Task.
For from structure composition, the main body mechanism of gear-hobbing machine be by a Gear Trains, motor 24 drive under, snail
Bar 32 and the engagement of worm gear 8 realize that 4 axial-rotation of wax-pattern, motor 24 are meshed by belt wheel and belt 20 with main drive gear 18,
Motor 24 can drive main drive gear 18 to rotate when moving, upper and lower two parts ensure that biography using completely the same drive mechanism
Dynamic accuracy, while also meeting transmission ratio requirement between hobcutter and wax-pattern 4.
For from kinetic characteristic, motor drives worm screw, the engagement of worm and worm wheel in such a way that gear engages
Allow us to pass through different routes while realizing the rotation and processing to wax-pattern.
The device for mechanical mechanism is simple, economical and practical, long service life, securely and reliably；Simplify the transmission of industry gear-hobbing machine
Process, the demonstration of prominent generation method principle, greatly reduces cost, is also beneficial to student and facilitates observation, copies, theory and practice
It combines.
Claims (2)
1. a kind of gear-hobbing machine teaching aid, which is characterized in that including pedestal (9), be fixed on pedestal (9) motor (24), motor (24)
Output shaft is cooperatively connected by belt (20) and main drive gear (18), the A auxiliary driving gear of main drive gear (18) and top
(15) it engaging, A auxiliary driving gear (15) is engaged with A counter drive shaft (16), and A counter drive shaft (16) end is connected with A cone tooth (25),
A bores tooth (25) and B cone tooth (26) intermeshing, and B cone tooth (26) is connected by conical tooth shaft with B pinion gear (12), B pinion gear (12)
It is intermeshed with A pinion gear (11), A pinion gear (11) is connected by gear hobbing cutter shaft with hobcutter (27)；
Main drive gear (18) is also engaged with the B auxiliary driving gear (22) of lower part, B auxiliary driving gear (22) and B counter drive shaft
(23) it engages, B counter drive shaft (23) end is connected with D cone tooth (31), and D bores tooth (31) and C cone tooth (30) intermeshing, and C bores tooth
(30) it is connected by conical tooth shaft with D pinion gear (29), D pinion gear (29) and C pinion gear (28) are intermeshed, C pinion gear (28)
It is meshed by worm and wheel (32)；
Fixed D cabinet (19) in the bottom end side of pedestal (9), sliding is provided with A cabinet (2) on the support rod of the other side；D cabinet
(19) main drive gear (18) and B auxiliary driving gear (22) is fixed, C cabinet is installed in the dovetail groove of D cabinet (19)
(14), C cabinet (14) is fixed by B cabinet (13) by two screws；
Supporting plate (5) are installed in the dovetail groove of A cabinet (2) vertical direction, by positioning cylinder (6) and spring (7) by worm gear
(8) it is respectively positioned on A cabinet (2) and supporting plate (5) with wax-pattern (4), A cabinet (2) vertical side in dovetail groove by knob (1)
To movement.
2. a kind of gear-hobbing machine teaching aid according to claim 1, which is characterized in that couple chip plate (10) on supporting plate (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910064749.5A CN109616002A (en) | 2019-01-23 | 2019-01-23 | A kind of gear-hobbing machine teaching aid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910064749.5A CN109616002A (en) | 2019-01-23 | 2019-01-23 | A kind of gear-hobbing machine teaching aid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109616002A true CN109616002A (en) | 2019-04-12 |
Family
ID=66017217
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910064749.5A Pending CN109616002A (en) | 2019-01-23 | 2019-01-23 | A kind of gear-hobbing machine teaching aid |
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| Country | Link |
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| CN (1) | CN109616002A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009104033A1 (en) * | 2008-02-22 | 2009-08-27 | B.B.I.P. Szellemi Tulajdonjog-Hasznosito Es Vagyonkezelo Korlatolt Felelossegu Tarsasag | Turntable for support of loaded surfaces |
| CN204087684U (en) * | 2014-11-06 | 2015-01-07 | 杨家武 | Gear model for demonstration purpose |
| CN104332098A (en) * | 2014-11-04 | 2015-02-04 | 北京理工大学 | Comprehensive experiment table of cam |
| CN105374271A (en) * | 2015-12-02 | 2016-03-02 | 上海大学 | Portable gear drive and processing demonstration instrument |
| CN105478919A (en) * | 2016-01-19 | 2016-04-13 | 重庆机床(集团)有限责任公司 | Multi-shaft high-speed dry-cutting composite gear hobbing machine |
| CN210223285U (en) * | 2019-01-23 | 2020-03-31 | 西安航空学院 | Gear hobbing machine teaching aid based on gear generating method |
-
2019
- 2019-01-23 CN CN201910064749.5A patent/CN109616002A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009104033A1 (en) * | 2008-02-22 | 2009-08-27 | B.B.I.P. Szellemi Tulajdonjog-Hasznosito Es Vagyonkezelo Korlatolt Felelossegu Tarsasag | Turntable for support of loaded surfaces |
| CN104332098A (en) * | 2014-11-04 | 2015-02-04 | 北京理工大学 | Comprehensive experiment table of cam |
| CN204087684U (en) * | 2014-11-06 | 2015-01-07 | 杨家武 | Gear model for demonstration purpose |
| CN105374271A (en) * | 2015-12-02 | 2016-03-02 | 上海大学 | Portable gear drive and processing demonstration instrument |
| CN105478919A (en) * | 2016-01-19 | 2016-04-13 | 重庆机床(集团)有限责任公司 | Multi-shaft high-speed dry-cutting composite gear hobbing machine |
| CN210223285U (en) * | 2019-01-23 | 2020-03-31 | 西安航空学院 | Gear hobbing machine teaching aid based on gear generating method |
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