CN102198532B - Device for automatically converting positive rotation and reverse rotation of electric drill - Google Patents
Device for automatically converting positive rotation and reverse rotation of electric drill Download PDFInfo
- Publication number
- CN102198532B CN102198532B CN 201110120888 CN201110120888A CN102198532B CN 102198532 B CN102198532 B CN 102198532B CN 201110120888 CN201110120888 CN 201110120888 CN 201110120888 A CN201110120888 A CN 201110120888A CN 102198532 B CN102198532 B CN 102198532B
- Authority
- CN
- China
- Prior art keywords
- gear
- output shaft
- shaft
- tertiary
- transition
- 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.)
- Active
Links
Images
Landscapes
- Gear Transmission (AREA)
- Structure Of Transmissions (AREA)
- Drilling And Boring (AREA)
Abstract
The invention discloses a device for automatically converting positive rotation and reverse rotation of an electric drill. A primary gear (7) is fixed on a primary gear shaft (6); a secondary gear (20) is fixed on a secondary gear shaft (23); the primary and secondary gear shafts (6 and 23) are arranged on a gear box body; a transition gear (9) is arranged on a transition shaft (10); the transition shaft (10) is fixed on the gear box body; an output shaft (12) is arranged on the gear box body; a triple gear (17) is sleeved on the output shaft (12) and arranged on the gear box body; the primary gear shaft (6) is meshed with the secondary gear (20) and the transition gear (9) simultaneously; the transition gear (9) is meshed with the triple gear (17); the secondary gear shaft (23) is on the same axis with the output shaft (12); and an automatic clutch mechanism is arranged between the secondary and triple gears (20 and 17). The device with the structure has the advantages of simple structure, high conversion speed, stable operation, capability of realizing positive and reverse rotation without halt and the like.
Description
Technical field
The invention relates to a kind of electric drill, particularly a kind of automatic transfer equipment of in electric drill boring or tapping operation process, controlling the drill bit rotating automatically.
Background technology
At present, at home and abroad in the electric tool, in order to change the direction of rotation of drill bit, the electric drill of prior art all is through the switch change sense of current motor to be reversed to realize that the weak point that this working method exists is:
The one, switch will bear huge reversal connection electric current, and motor and switch are all had bigger destructiveness, causes motor and switch shortening in service life;
The 2nd, the manufacturing process of clockwise and anticlockwise motor is also quite complicated, and the radio interference of machine is also big;
The 3rd, electric drill needs to slow down, shut down the process of quickening again from just forwarding counter-rotating to, and the change electric drill turns to and needs long time, inefficiency;
The 4th, the electric drill change turns to and will consume mass energy, and particularly when electric drill was used for the tapping operation, the frequent operation of electric drill often made the overheated motor that causes of electric drill damage.
Change the deficiency that turns to the aspect to present electric drill, everybody hopes that novel electric drill is the energy-conserving and environment-protective product that when change turns to, reaches saving of work and time and safety and Health.
Summary of the invention
In order to overcome the above-mentioned disadvantage that existing electric drill exists, the purpose of the invention provide a kind of simple and reasonable, easy for operation, production efficiency is high, do not shut down the electric drill rotating automatic transfer equipment that just can realize the electric drill rotating automatically.
The invention solves the technical scheme that its technical problem adopted, and it comprises gear housing, one-level gear 7, one-level gear shaft, secondary gear, secondary gear axle, transition gear, transition axis, tertiary gear, output shaft, and described one-level gear is fixed on the one-level gear shaft; The one-level gear shaft is arranged on the gear housing rotationally, and secondary gear is fixed on the secondary gear axle, and the secondary gear axle is arranged on the gear housing rotationally; Transition gear is arranged on the transition axis rotationally; Transition axis is fixed on the gear housing, and output shaft is arranged on the gear housing, and tertiary gear is set on the output shaft and is arranged on the gear housing rotationally; Output shaft tertiary gear and gear housing relatively moves axially; One-level gear and the engagement of rotor gear shaft, the one-level gear shaft meshes with secondary gear and transition wheel simultaneously, transition wheel and tertiary gear engagement; Secondary gear axle and output shaft are provided with automatic clutch mechanism between secondary gear and tertiary gear on same axis.
Described automatic clutch mechanism comprises the clutch boss that is separately positioned on secondary gear and the tertiary gear, is arranged on clutch fixture block, spring, ball on the output shaft; The end of output shaft is provided with centre bore; Spring and ball are installed in this centre bore successively; The head of secondary gear axle touches and puts in this centre bore with ball mutually; The clutch fixture block of output shaft is when spring is compressed and the clutch boss of secondary gear engagement, and the clutch fixture block of output shaft meshes with the clutch boss of tertiary gear when the spring free state.
Be provided with baffle plate between described secondary gear and the tertiary gear, baffle plate is fixed on the gear housing.
After adopting said structure, following advantage and effect are arranged compared with prior art: the one, electric drill passes through mechanical drive mode, under non-stop-machine situation, changes the conversion that power thrusts just can be realized rotating automatically, and is simple to operate, practical and convenient.The 2nd, instantaneously just can not realize rotating owing to do not shut down, conversion speed is fast, stable working, saving of work and time, production efficiency height.The 3rd, motor does not need to slow down, shuts down start again in the rotating transfer process, and little to motor and switching surge, the life-span is long, and particularly during the tapping operation, motor can not produce the overheated motor damage that causes.
Description of drawings
Fig. 1 is the structural representation of the invention.
Fig. 2 is the decomposition texture sketch map of the invention.
1 rotor gear shaft wherein, 2 rotor supports bearings, 3 one-level gear shaft bearings, 4 jump rings, 5 woodruff keies, 6 one-level gear shafts, 7 one-level gears; 8 jump rings, 9 transition gears, 10 transition axises, 11 one-level gear shaft bearings, 12 output shafts, 13 axle sleeves, 14 springs; 15 tertiary gear bearings, 16 balls, 17 tertiary gears, 18 intermediate bearings, 19 baffle plates, 20 secondary gears; 21 woodruff keies, 22 jump rings, 23 secondary gear axles, 24 secondary gear axle bearings, 25 clutch boss, 26 clutch fixture blocks.
The specific embodiment
Illustrated in figures 1 and 2; Specific embodiments for the invention electric drill rotating automatic transfer equipment; It comprises gear housing, one-level gear 7, one-level gear shaft 6, secondary gear 20, secondary gear axle 23, transition gear 9, transition axis 10, tertiary gear 17, output shaft 12, and drill bit is fixed on the output shaft 12 through drill chuck, and described one-level gear 7 is fixed on the one-level gear shaft 6 through woodruff key 5 and is spacing by jump ring 4; The two ends of one-level gear shaft 6 are arranged on the gear housing through one-level gear shaft bearing 3,11 rotationally; Secondary gear 20 is fixed on the secondary gear axle 23 through woodruff key 21 and is spacing by jump ring 22, and an end of secondary gear axle 23 is arranged on the gear housing through secondary gear axle bearing 24 rotationally, and transition gear 9 is arranged on rotationally on the transition axis 10 and is spacing by jump ring 8; Transition axis 10 is fixed on the gear housing; Output shaft 12 is arranged on the gear housing through axle sleeve 13, and tertiary gear 17 is set on the output shaft 12 and through tertiary gear bearing 15 and is arranged on rotationally on the gear housing, and output shaft 12 tertiary gear 17 relatively moves axially with gear housing; One-level gear 7 and 1 engagement of rotor gear shaft; Rotor gear shaft 1 is arranged on the body through rotor supports bearing 2, and one-level gear shaft 6 meshes with secondary gear 20 and transition wheel 9 simultaneously, transition wheel 9 and tertiary gear 17 engagements; Secondary gear axle 23 and output shaft 12 are provided with automatic clutch mechanism between secondary gear 20 and tertiary gear 17 on same axis.
Described automatic clutch mechanism comprises the clutch boss 25 that is fixedly installed on respectively on secondary gear 20 and the tertiary gear 17, is fixedly installed on clutch fixture block 26, spring 14, ball 16 on the output shaft 12; The end of output shaft 12 is provided with centre bore; Spring 14 is installed in this centre bore with ball 16 successively; The head of secondary gear axle 23 touches and puts in this centre bore with ball 16 mutually; Between the centre bore of secondary gear axle 23 and output shaft 12, be provided with intermediate bearing 18; Intermediate bearing 18 is fixed on the centre bore end face of output shaft 12; Make output shaft 12 relatively secondary gear axle 23 rotate again relatively that secondary gear axle 23 moves axially, the clutch fixture block 26 of output shaft 12 meshes with the clutch boss 25 of secondary gear 20 when spring 14 is compressed, the clutch fixture block 26 of output shaft 12 when spring 14 free states and the clutch boss 25 of tertiary gear 17 mesh.Between secondary gear 20 and tertiary gear 17, be provided with baffle plate 19, baffle plate 19 is fixed on the gear housing, and the main effect of baffle plate 19 is to be used for preventing that tertiary gear 17 from axially departing from, and makes secondary gear 20 and tertiary gear 17 remain certain distance.
After the electric drill of the invention is connected switch; 1 rotation of rotor gear shaft drives one-level gear 7 and 6 counter-rotatings of one-level gear shaft; One-level gear shaft 6 drives secondary gear 20 simultaneously just to be changeed with secondary gear axle 23 and transition wheel 9, and transition wheel 9 drives tertiary gear 17 counter-rotatings.
When boring or tapping, drill bit is under pressure and thrust, and output shaft 12 moves axially inside pressuring spring 14; Shrink in the elastic force rear spring that overcomes spring 14 14; The clutch fixture block 26 of output shaft 12 separates with the clutch boss 25 of tertiary gear 17, separates 17 relative output shafts 12 idle running of back tertiary gear, and and then the clutch fixture block 26 of output shaft 12 meshes with the clutch boss 25 of secondary gear 20; Realization is rigidly connected; Output shaft 12 just changes under the drive of secondary gear axle 23, and drill bit is also just changeing with output shaft 12, and drill bit is holed or the tapping operation normally.
After accomplishing boring or tapping operation, when outwards moving electric drill, drill bit does not receive any pressure and thrust, and under the elastic force effect of spring 14, the clutch fixture block 26 of output shaft 12 separates with the clutch boss 25 of secondary gear 20,23 idle running of secondary gear axle; The clutch fixture block 26 of output shaft 12 and then with 25 engagements of the clutch boss of tertiary gear 17, realize being rigidly connected, output shaft 12 reverses under the drive of tertiary gear 17, drill bit also reverses with output shaft 12, withdraws from fast.Thereby accomplish boring or tapping operation.This structure when the tapping operation, particular significant effect.
Claims (2)
1. electric drill rotating automatic transfer equipment; Comprise gear housing, one-level gear (7), one-level gear shaft (6), secondary gear (20), secondary gear axle (23), transition gear (9), transition axis (10), tertiary gear (17), output shaft (12); Described one-level gear (7) is fixed on the one-level gear shaft (6); One-level gear shaft (6) is arranged on the gear housing rotationally; Secondary gear (20) is fixed on the secondary gear axle (23); Secondary gear axle (23) is arranged on the gear housing rotationally, and transition gear (9) is arranged on the transition axis (10) rotationally, and transition axis (10) is fixed on the gear housing; Output shaft (12) is arranged on the gear housing; Tertiary gear (17) is set in output shaft (12) and goes up and be arranged on rotationally on the gear housing, and output shaft (12) tertiary gear (17) relatively moves axially with gear housing, and one-level gear (7) and rotor gear shaft (1) mesh; One-level gear shaft (6) meshes with secondary gear (20) and transition wheel (9) simultaneously; Transition wheel (9) and tertiary gear (17) engagement, secondary gear axle (23) and output shaft (12) are provided with automatic clutch mechanism between secondary gear (20) and tertiary gear (17) on same axis; It is characterized in that: described automatic clutch mechanism comprises the clutch boss (25) that is separately positioned on secondary gear (20) and the tertiary gear (17), is arranged on clutch fixture block (26), spring (14), ball (16) on the output shaft (12); The end of output shaft (12) is provided with centre bore, and spring (14) and ball (16) are installed in this centre bore successively, and the head of secondary gear axle (23) touches and put in this centre bore with ball (16) mutually; When being compressed and the clutch boss (25) of secondary gear (20) engagement, the clutch fixture block (26) of output shaft (12) meshes with the clutch boss (25) of tertiary gear (17) when spring (14) free state the clutch fixture block (26) of output shaft (12) at spring (14).
2. electric drill rotating automatic transfer equipment according to claim 1 is characterized in that: be provided with baffle plate (19) between described secondary gear (20) and the tertiary gear (17), baffle plate (19) is fixed on the gear housing.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110120888 CN102198532B (en) | 2011-05-09 | 2011-05-09 | Device for automatically converting positive rotation and reverse rotation of electric drill |
| DE112011105222.7T DE112011105222B4 (en) | 2011-05-09 | 2011-09-06 | Device for automatic switching between forward and reverse rotation of an electric drill |
| PCT/CN2011/079377 WO2012151816A1 (en) | 2011-05-09 | 2011-09-06 | Electric drill forward and reverse rotation automatic switching apparatus |
| US13/983,057 US8973455B2 (en) | 2011-05-09 | 2011-09-06 | Electric drill forward and reverse rotation automatic switching apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110120888 CN102198532B (en) | 2011-05-09 | 2011-05-09 | Device for automatically converting positive rotation and reverse rotation of electric drill |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102198532A CN102198532A (en) | 2011-09-28 |
| CN102198532B true CN102198532B (en) | 2012-12-19 |
Family
ID=44659668
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110120888 Active CN102198532B (en) | 2011-05-09 | 2011-05-09 | Device for automatically converting positive rotation and reverse rotation of electric drill |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102198532B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102013221697B4 (en) * | 2013-10-25 | 2022-05-25 | Robert Bosch Gmbh | Hand tool with a torque clutch |
| CN104942597B (en) * | 2015-05-08 | 2017-03-08 | 浙江理工大学 | Pulse bitbrace |
| CN105422752B (en) * | 2016-01-26 | 2018-05-01 | 正阳实业投资有限公司 | The double-speed electric tool that rotating speed automatically switches |
| CN113458453B (en) * | 2021-07-29 | 2022-04-22 | 永康市晓诚电器有限公司 | Efficient electric drill |
| CN113458454B (en) * | 2021-07-29 | 2022-05-27 | 永康市晓诚电器有限公司 | Hand-held electric drill |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2691751Y (en) * | 2004-03-09 | 2005-04-13 | 立勇实业股份有限公司 | Hole drilling machine tool variable speed driving mechanism |
| TWM262286U (en) * | 2004-04-15 | 2005-04-21 | Lee Yeong Ind Co Ltd | Improved structure for machine with drilling and tapping functions |
| CN202129478U (en) * | 2011-05-09 | 2012-02-01 | 正阳实业投资有限公司 | Automatic switch device for forward and backward rotation of electric drill |
-
2011
- 2011-05-09 CN CN 201110120888 patent/CN102198532B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN102198532A (en) | 2011-09-28 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103670264B (en) | The forward and reverse output of a kind of double-drive coaxial is threaded into rock drilling machine | |
| CN102198532B (en) | Device for automatically converting positive rotation and reverse rotation of electric drill | |
| CN203670611U (en) | Dual-power bi-directional automatic switchover worm speed reducer | |
| CN202129478U (en) | Automatic switch device for forward and backward rotation of electric drill | |
| CN202612495U (en) | High-speed and low-speed worm gear reducer | |
| CN203547530U (en) | Coaxial double-deceleration forward and reverse two-way output spiral rock-entering drilling machine | |
| WO2012151816A1 (en) | Electric drill forward and reverse rotation automatic switching apparatus | |
| CN202326955U (en) | Automatic forward and backward reverser | |
| CN102853048B (en) | A kind of drive unit for chain joint assembly line | |
| CN203784210U (en) | Speed change structure of electric vehicle | |
| CN204030848U (en) | Inner-rotor-type wheel hub motor | |
| CN203077093U (en) | Heavy type numerical-control roll grinder headstock main transmission system | |
| CN203097707U (en) | Full-hydraulic vibration rotation coring power head | |
| CN203547524U (en) | Dual-drive coaxial forward and reverse output spiral rock-entering drilling machine | |
| CN202812036U (en) | Driving device for chain joint assembling machine | |
| CN201711192U (en) | Center driving ball mill | |
| CN201815718U (en) | Drilling device with double motors | |
| CN204544335U (en) | A kind of transmission device of ball mill barrel | |
| CN202377454U (en) | Thread rolling machine | |
| CN103807357A (en) | Double-power bidirectional automatic switching worm reducer | |
| CN203170985U (en) | Transmission shaft | |
| CN102797818B (en) | Milling machine V-belt speed change mechanism capable of changing speed without stropping | |
| CN108644318B (en) | Reduction mechanism of pneumatic high-power gyrator | |
| CN203541767U (en) | Transmission of portable pipe thread forming machine | |
| CN105896815A (en) | High-efficiency self-rotation power machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: No. 558, the Great Wall East Avenue, the Great Wall Economic Development Zone, Jinhua, Zhejiang Patentee after: Polytron Technologies Inc in Zhengyang Address before: 321300 Yongkang City, Zhejiang hardware science and Technology Industrial Park, the Great Wall East Avenue 558 Patentee before: Yongkang Zhengda Industrial Co., Ltd. |
|
| CP03 | Change of name, title or address |