CN201155536Y - Overload protection device for automatic lathe electric motor - Google Patents
Overload protection device for automatic lathe electric motor Download PDFInfo
- Publication number
- CN201155536Y CN201155536Y CNU2007203032885U CN200720303288U CN201155536Y CN 201155536 Y CN201155536 Y CN 201155536Y CN U2007203032885 U CNU2007203032885 U CN U2007203032885U CN 200720303288 U CN200720303288 U CN 200720303288U CN 201155536 Y CN201155536 Y CN 201155536Y
- Authority
- CN
- China
- Prior art keywords
- output shaft
- overload protection
- sprocket wheel
- automatic lathe
- chain 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.)
- Expired - Fee Related
Links
- 210000000515 tooth Anatomy 0.000 claims description 20
- 238000009826 distribution Methods 0.000 claims description 5
- 230000000295 complement effect Effects 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 abstract description 7
- 238000003825 pressing Methods 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000003116 impacting effect Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000013021 overheating Methods 0.000 description 1
- 238000010079 rubber tapping Methods 0.000 description 1
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- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
The utility model relates to an overload protection device used in an electric motor of an automatic lathe. The utility model comprises a chain wheel that has transmission connection with the distributing shaft chain of the automatic lathe. The chain wheel is installed on the output shaft of the electric motor. The output shaft arranged on one side of the chain wheel is provided with a semi-centrifugal clutch. The output shaft arranged on the other side of the chain wheel is provided with a pressure spring and a fixed sleeve. The semi-centrifugal clutch and the output shaft are fixed in the circumferential direction. The fixed sleeve has permanent connection with the output shaft. One end of the pressure spring props against the fixed sleeve and the other end of the pressure spring props against the chain wheel. The ring-shaped surface of the semi-centrifugal clutch contacting the chain wheel is provided with a plurality of axial trapezoid teeth. As the overload protection device adopts the technical proposal, when the chain wheel is hindered in rotating, the chain wheel gets separated from the semi-centrifugal clutch and the output shaft idles, thus achieving the aim of protecting the electric motor and a relevant transmission component. The overload protection device has the advantages of simple structure, safety, reliability, easy adjustment, etc.
Description
Technical field
The utility model belongs to the machining equipment field, particularly relates to a kind of overload protection arrangement that is used for the automatic lathe motor.
Background technique
At present; the distribution shaft of the machinery control feeding on the automatic lathe, cutting, tapping, dragging plate mechanism is in transmission connection by Worm gear case and motor train; sprocket wheel is directly to be fixedly connected on the motor output shaft; like this; in case being obstructed, distribution shaft rotates unusually; can be because the electric-motor-driving overload; cause the motor safety pin to be cut off or the damage of sprocket wheel chain; even motor output shaft is cut off and accidents such as motor overheating burns; therefore; how making motor output shaft break away from driven loads under the transmission overload situations, is the key of protection motor.
Summary of the invention
In order to solve above-mentioned technical problem, the purpose of this utility model provides a kind of overload protection arrangement that is used for the automatic lathe motor, makes motor under the transmission overload situations, and its output shaft can break away from driven loads, thus the protection motor.
To achieve the above object, the utility model has adopted following technological scheme:
A kind of overload protection arrangement that is used for the automatic lathe motor; comprise the sprocket wheel that is connected with the distribution shaft chain-driven of automatic lathe; described chain bye is enclosed within on the motor output shaft; be arranged with half-clutch device on the output shaft of sprocket wheel one side; be arranged with stage clip and fixed cover on the output shaft of sprocket wheel opposite side; wherein; described half-clutch device and output shaft are circumferentially fixing; described fixed cover is fixedlyed connected with output shaft; described stage clip one end and fixed cover offset; the described stage clip the other end and sprocket wheel offset, and the ring surface that described sprocket wheel contacts with half-clutch device is provided with several axial stepped tooths, and described half-clutch device is provided with the dovetail groove that is complementary and meshes with stepped tooth.
The said fixing cover is threaded with output shaft and is locked by fastening piece.
Above-mentioned half-clutch device is fixed on the output shaft by tight fixed bolt.
Contact a side with stage clip on the above-mentioned sprocket wheel and be provided with annular boss A, described fixed cover is provided with annular boss B, and described compression spring sleeve is located on annular boss A and the annular boss B.
Above-mentioned sprocket wheel is provided with 4 stepped tooths.
The profile of tooth inclination angle a of above-mentioned stepped tooth is 30～60 degree.
As preferably, the profile of tooth inclination angle a of above-mentioned stepped tooth is 45 degree.
The utility model is owing to adopted above technological scheme; the chain bye is enclosed within on the motor output shaft; the chain wheel side is provided with stepped tooth and is located at half-clutch device upper trapezoid groove and cooperates; thereby formation jaw clutch; by stage clip sprocket wheel is applied impacting force; the rotatory force of transmitting on the motor output shaft is when passing through trapezoidal inclination central plane; be divided into the rotatory force and the end thrust that are applied on the sprocket wheel; when sprocket rotation is obstructed; the rotatory force transmitted on the output shaft increases, and rotatory force and end thrust on the sprocket wheel also increase, when end thrust during greater than pressing force of the spring; sprocket wheel separates with half-clutch device, and output shaft idle running reaches the purpose of protection motor and relevant transmission part.The utlity model has advantages such as simple in structure, safe and reliable, easy to adjust.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Fig. 2 is the A-A sectional view of Fig. 1.
Fig. 3 is that stepped tooth launches schematic representation along circumference.
Embodiment
Below in conjunction with accompanying drawing embodiment of the present utility model is made a detailed explanation.
Embodiment 1:
As Fig. 1; Fig. 2; a kind of overload protection arrangement that is used for the automatic lathe motor shown in Figure 3; comprise the sprocket wheel 3 that is connected with the distribution shaft chain-driven of automatic lathe; described sprocket wheel 3 skies are enclosed within on the output shaft 6 of motor 5; be arranged with half-clutch device 4 on the output shaft 6 of sprocket wheel 3 one sides; be arranged with stage clip 2 and fixed cover 1 on the output shaft 6 of sprocket wheel 3 opposite sides; wherein; described half-clutch device 4 is fixed on the output shaft 6 by tight fixed bolt 41; described fixed cover 1 is threaded with output shaft 6 and is locked by fastening piece 12 and is connected; described stage clip 2 one ends and fixed cover 1 offset; described stage clip 2 the other ends and sprocket wheel 3 offset; the ring surface that described sprocket wheel 3 contacts with half-clutch device 4 is provided with 4 axial stepped tooths 32, and described half-clutch device 4 is provided with the dovetail groove that is complementary and meshes with stepped tooth 32.
In the present embodiment, contact a side with stage clip 2 on the above-mentioned sprocket wheel 3 and be provided with annular boss A31, described fixed cover 1 is provided with annular boss B11, and described stage clip 2 is set on annular boss A31 and the annular boss B11; The profile of tooth inclination angle a of above-mentioned stepped tooth 32 is 45 degree.
During use; sprocket wheel is circumferentially fixing with half-clutch device engagement under the effect of pressing force of the spring; the output torque of motor is passed to sprocket wheel; the rotatory force of transmitting on the motor output shaft is when passing through trapezoidal inclination central plane; be divided into the rotatory force and the end thrust that are applied on the sprocket wheel; when sprocket rotation is obstructed; the rotatory force of transmitting on the output shaft increases; rotatory force and end thrust on the sprocket wheel also increase; when end thrust during greater than pressing force of the spring; sprocket wheel separates with half-clutch device, and output shaft idle running reaches the purpose of protection motor and relevant transmission part.
Claims (7)
1. overload protection arrangement that is used for the automatic lathe motor; comprise the sprocket wheel (3) that is connected with the distribution shaft chain-driven of automatic lathe; it is characterized in that; described sprocket wheel (3) sky is enclosed within on the motor output shaft (6); be arranged with half-clutch device (4) on the output shaft (6) of sprocket wheel (3) one sides; be arranged with stage clip (2) and fixed cover (1) on the output shaft (6) of sprocket wheel (3) opposite side; wherein; described half-clutch device (4) is circumferentially fixing with output shaft (6); described fixed cover (1) is fixedlyed connected with output shaft (6); described stage clip (2) one ends and fixed cover (1) offset; described stage clip (2) the other end and sprocket wheel (3) offset; the ring surface that described sprocket wheel (3) contacts with half-clutch device (4) is provided with several axial stepped tooths (32), and described half-clutch device (4) is provided with the dovetail groove that is complementary and meshes with stepped tooth (32).
2. a kind of overload protection arrangement that is used for the automatic lathe motor according to claim 1 is characterized in that, described fixed cover (1) is threaded with output shaft (6) and is locked by fastening piece (12).
3. a kind of overload protection arrangement that is used for the automatic lathe motor according to claim 1 is characterized in that described half-clutch device (4) is fixed on the output shaft (6) by tight fixed bolt (41).
4. a kind of overload protection arrangement that is used for the automatic lathe motor according to claim 1; it is characterized in that; upward contact a side with stage clip (2) is provided with annular boss A (31) to described sprocket wheel (3); described fixed cover (1) is provided with annular boss B (11), and described stage clip (2) is set on annular boss A (31) and the annular boss B (11).
5. according to each described a kind of overload protection arrangement that is used for the automatic lathe motor in the claim 1 to 4, it is characterized in that described sprocket wheel (3) is provided with 4 stepped tooths (32).
6. according to each described a kind of overload protection arrangement that is used for the automatic lathe motor in the claim 1 to 4, it is characterized in that the profile of tooth inclination angle a of described stepped tooth (32) is 30～60 degree.
7. a kind of overload protection arrangement that is used for the automatic lathe motor according to claim 6 is characterized in that, the profile of tooth inclination angle a of described stepped tooth (32) is 45 degree.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007203032885U CN201155536Y (en) | 2007-12-24 | 2007-12-24 | Overload protection device for automatic lathe electric motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007203032885U CN201155536Y (en) | 2007-12-24 | 2007-12-24 | Overload protection device for automatic lathe electric motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201155536Y true CN201155536Y (en) | 2008-11-26 |
Family
ID=40103319
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007203032885U Expired - Fee Related CN201155536Y (en) | 2007-12-24 | 2007-12-24 | Overload protection device for automatic lathe electric motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201155536Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106804457A (en) * | 2016-12-30 | 2017-06-09 | 宁波科韵电子有限公司 | A kind of funny cat machine of intelligent multiple-protection |
| CN112443592A (en) * | 2019-08-28 | 2021-03-05 | 力山工业股份有限公司 | Overload protection device for winch |
| CN114572328A (en) * | 2022-03-31 | 2022-06-03 | 温州美宝龙车业有限公司 | Electric vehicle leg supporter |
| CN115258990A (en) * | 2022-07-25 | 2022-11-01 | 浙江海测科技有限公司 | Electric hydrological winch and using method thereof |
-
2007
- 2007-12-24 CN CNU2007203032885U patent/CN201155536Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106804457A (en) * | 2016-12-30 | 2017-06-09 | 宁波科韵电子有限公司 | A kind of funny cat machine of intelligent multiple-protection |
| CN112443592A (en) * | 2019-08-28 | 2021-03-05 | 力山工业股份有限公司 | Overload protection device for winch |
| CN114572328A (en) * | 2022-03-31 | 2022-06-03 | 温州美宝龙车业有限公司 | Electric vehicle leg supporter |
| CN115258990A (en) * | 2022-07-25 | 2022-11-01 | 浙江海测科技有限公司 | Electric hydrological winch and using method thereof |
| CN115258990B (en) * | 2022-07-25 | 2024-01-30 | 浙江海测科技有限公司 | Electric hydrologic winch and use method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20081126 Termination date: 20131224 |