CN103775563A - Speed change mechanism of angle grinder - Google Patents
Speed change mechanism of angle grinder Download PDFInfo
- Publication number
- CN103775563A CN103775563A CN201210407569.0A CN201210407569A CN103775563A CN 103775563 A CN103775563 A CN 103775563A CN 201210407569 A CN201210407569 A CN 201210407569A CN 103775563 A CN103775563 A CN 103775563A
- Authority
- CN
- China
- Prior art keywords
- gear
- carrier
- motor
- angle grinder
- grinding wheel
- 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.)
- Pending
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B23/00—Portable grinding machines, e.g. hand-guided; Accessories therefor
- B24B23/02—Portable grinding machines, e.g. hand-guided; Accessories therefor with rotating grinding tools; Accessories therefor
- B24B23/028—Angle tools
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B47/00—Drives or gearings; Equipment therefor
- B24B47/10—Drives or gearings; Equipment therefor for rotating or reciprocating working-spindles carrying grinding wheels or workpieces
- B24B47/12—Drives or gearings; Equipment therefor for rotating or reciprocating working-spindles carrying grinding wheels or workpieces by mechanical gearing or electric power
Abstract
The invention discloses a speed change mechanism of an angle grinder. The speed change mechanism of the angle grinder comprises a motor, a first gear connected to an output shaft of the motor and a second gear connected to a grinding wheel spindle, wherein the first gear and the second gear are meshed with each other for transmission. According to the speed change mechanism of the angle grinder, the gear transmission mode is used for achieving adjustment of the rotation speed of the motor and the rotation speed of a grinding wheel of the angle grinder, the step that the speed of the motor is reduced so that the motor can be adapted to the angle grinder is not needed, and therefore damage to the motor is reduced.
Description
Technical field
The present invention relates to a kind of gear, specifically, relate to the gear of a kind of angle grinding machine.
Background technique
The suitable rotating speed of motor be generally 2.8 ten thousand turn～30,000 turn/hour, and that the output speed of angle grinding machine does not generally need is so high, therefore needs to reduce the rotating speed of motor, but can make like this motor be easy to damage.
Summary of the invention
Object of the present invention is just to provide a kind of gear of the angle grinding machine that reduces motor damage.
For addressing the above problem, the invention provides the gear of a kind of angle grinding machine, described gear comprises motor, is connected in the first gear on motor output shaft and is connected in the second gear on grinding wheel spindle, described the first gear and described the second meshed transmission gear.
Preferably, between described the first gear and the second gear, be also provided with carrier gear assembly.
Preferably, described carrier gear assembly comprises bridge shaft and is connected in the carrier gear on described bridge shaft, described the first gear and described carrier gear engagement driving; Described carrier gear and described the second meshed transmission gear; Described the first gear, carrier gear and the second gear are bevel gear.
Preferably, described carrier gear assembly comprises bridge shaft, the first carrier gear and the second carrier gear, and described the first carrier gear and the second carrier gear are connected on described bridge shaft; The bevel gear that described the first gear and the first carrier gear are intermeshing transmission, straight-tooth gear or angular gear that described the second carrier gear and the second gear are intermeshing transmission.
Preferably, the number of teeth of described the first gear is less than the number of teeth of described the second gear.
A kind of angle grinding machine, comprises gear as above.
Adopt the beneficial effect of this technological scheme to be, adopt gear-driven mode to realize the adjusting of motor and angle grinding machine grinding wheel speed, do not need the speed that reduces motor itself to be applicable to angle grinding machine, reduced the infringement to motor.
Accompanying drawing explanation
Fig. 1 is the gear embodiment's 1 of a kind of angle of the present invention grinding machine structural representation;
Fig. 2 is the gear embodiment's 2 of a kind of angle of the present invention grinding machine structural representation;
Fig. 3 is the gear embodiment's 2 of a kind of angle of the present invention grinding machine structural representation.
Wherein, 1. rotor electric machine 2. motor output shaft 3. first gear 4. grinding wheel spindle 5. second gear 6. emery wheel 71. bridge shaft 72. first carrier gear 73. second carrier gears.
Embodiment
Describe specific embodiments of the invention in detail below in conjunction with accompanying drawing.
Referring to Fig. 1, as shown in legend wherein, the gear of a kind of angle grinding machine, this gear comprises motor 1, is connected in the second gear 5 on one first gear 3 and the grinding wheel spindle 4 on motor output shaft 2, the first gear 3 and the second gear 5 engagement driving, emery wheel 6 is installed on grinding wheel spindle 4.
The rotating speed of motor 1 be 2.8 ten thousand turn/hour, the number of teeth n1=10 of the first gear 3, the number of teeth n2=20 of the second gear 5, the rotating speed of grinding wheel spindle 4 be 1.4 ten thousand turn/hour, by the transmission of the first gear 3 and the second gear 5, in the situation that not changing motor 1 speed, reduce motor 1 and exported the rotating speed of grinding wheel spindle 4 to, thereby regulated the rotating speed of grinding wheel 6.
Referring to Fig. 2, as shown in legend wherein, all the other are identical with described embodiment 1, and difference is, between the first gear 3 and the second gear 5, be also provided with carrier gear assembly, this carrier gear assembly comprises a bridge shaft 71 and is connected in first carrier gear 72 on bridge shaft 71; The first gear 3 and the first carrier gear 72 engagement driving; The first carrier gear 72 and the second gear 5 engagement driving; The first gear 3, the first carrier gear 72 and the second gear 5 are bevel gear.
The rotating speed of motor 1 be 2.8 ten thousand turn/hour, the number of teeth n1=10 of the first gear 3, the number of teeth n1'=10 of the first carrier gear, the number of teeth n2=20 of the second gear 5, the rotating speed of grinding wheel spindle 4 be 1.4 ten thousand turn/hour, by the transmission of the first gear 3, the first carrier gear 72 and the second gear 5, export the rotating speed of grinding wheel spindle 4 in the case of not changing the speed of motor 1 and keeping turning to of grinding wheel spindle 4 to reduce motor 1 identical with turning to of motor 1, thereby regulate the rotating speed of grinding wheel 6.
Referring to Fig. 3, referring to Fig. 3, as shown in legend wherein, all the other are identical with described embodiment 2, and difference is, carrier gear assembly comprises a bridge shaft 71, one first carrier gear 72 and one second carrier gear 73; The first carrier gear 72 and the second carrier gear 73 are connected on bridge shaft 71; The bevel gear that the first gear 3 and the first carrier gear 72 are intermeshing transmission, the straight-tooth gear that the second carrier gear 73 and the second gear 5 are intermeshing transmission.
The rotating speed of motor 1 be 2.8 ten thousand turn/hour, the number of teeth n1=10 of the first gear 3, number of teeth n1 '=20 of the first carrier gear 72, the number of teeth n2'=10 of the second carrier gear 73, the number of teeth n2=20 of the second gear 5, the rotating speed of grinding wheel spindle 4 be 1.4 ten thousand turn/hour, by the transmission of the first gear 3, the first carrier gear 72, the second carrier gear 73 and the second gear 5, in the case of do not change motor 1 speed and reduced motor 1 and exported to the rotating speed of grinding wheel spindle 4, thereby regulate the rotating speed of grinding wheel 6, and realized the change of the speed outbound course of grinding wheel spindle 4.
All the other are identical with described embodiment 2, and difference is, the angular gear that the second carrier gear and the second gear are intermeshing transmission.
Adopt the beneficial effect of this technological scheme to be, adopt gear-driven mode to realize the adjusting of motor and angle grinding machine grinding wheel speed, do not need the speed that reduces motor itself to be applicable to angle grinding machine, reduced the infringement to motor.
The above is only the preferred embodiment of the present invention, it should be pointed out that without departing from the concept of the premise of the invention, can also make some distortion and improvement, and these all belong to protection scope of the present invention.
Claims (6)
1. a gear for angle grinding machine, is characterized in that, described gear comprises motor, is connected in the first gear on motor output shaft and is connected in the second gear on grinding wheel spindle, described the first gear and described the second meshed transmission gear.
2. gear according to claim 1, is characterized in that, between described the first gear and the second gear, is also provided with carrier gear assembly.
3. gear according to claim 2, is characterized in that, described carrier gear assembly comprises bridge shaft and is connected in the carrier gear on described bridge shaft, described the first gear and described carrier gear engagement driving; Described carrier gear and described the second meshed transmission gear; Described the first gear, carrier gear and the second gear are bevel gear.
4. gear according to claim 2, is characterized in that, described carrier gear assembly comprises bridge shaft, the first carrier gear and the second carrier gear, and described the first carrier gear and the second carrier gear are connected on described bridge shaft; The bevel gear that described the first gear and the first carrier gear are intermeshing transmission, straight-tooth gear or angular gear that described the second carrier gear and the second gear are intermeshing transmission.
5. according to the gear described in claim 1-4, it is characterized in that, the number of teeth of described the first gear is less than the number of teeth of described the second gear.
6. an angle grinding machine, is characterized in that, comprises gear as claimed in claim 5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210407569.0A CN103775563A (en) | 2012-10-24 | 2012-10-24 | Speed change mechanism of angle grinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210407569.0A CN103775563A (en) | 2012-10-24 | 2012-10-24 | Speed change mechanism of angle grinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103775563A true CN103775563A (en) | 2014-05-07 |
Family
ID=50568164
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210407569.0A Pending CN103775563A (en) | 2012-10-24 | 2012-10-24 | Speed change mechanism of angle grinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103775563A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114523398A (en) * | 2020-11-23 | 2022-05-24 | 越崎企业股份有限公司 | Portable grinder |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06170715A (en) * | 1992-12-02 | 1994-06-21 | Sadayuki Amiya | Angle grinder using reverse-rotation motor |
| CN201625965U (en) * | 2010-01-07 | 2010-11-10 | 宁波朗达电子科技有限公司 | Multifunctional electric cutting angle grinder |
| CN202200144U (en) * | 2011-07-13 | 2012-04-25 | 福建惠安县坚固电机有限公司 | Hand-held electric angle grinding tool |
| CN202867708U (en) * | 2012-10-24 | 2013-04-10 | 江苏铁锚工具有限公司 | Speed change mechanism of angle grinder |
-
2012
- 2012-10-24 CN CN201210407569.0A patent/CN103775563A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06170715A (en) * | 1992-12-02 | 1994-06-21 | Sadayuki Amiya | Angle grinder using reverse-rotation motor |
| CN201625965U (en) * | 2010-01-07 | 2010-11-10 | 宁波朗达电子科技有限公司 | Multifunctional electric cutting angle grinder |
| CN202200144U (en) * | 2011-07-13 | 2012-04-25 | 福建惠安县坚固电机有限公司 | Hand-held electric angle grinding tool |
| CN202867708U (en) * | 2012-10-24 | 2013-04-10 | 江苏铁锚工具有限公司 | Speed change mechanism of angle grinder |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114523398A (en) * | 2020-11-23 | 2022-05-24 | 越崎企业股份有限公司 | Portable grinder |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20140507 |