CN217096643U - Device for expanding by steel balls - Google Patents
Device for expanding by steel balls Download PDFInfo
- Publication number
- CN217096643U CN217096643U CN202220609109.5U CN202220609109U CN217096643U CN 217096643 U CN217096643 U CN 217096643U CN 202220609109 U CN202220609109 U CN 202220609109U CN 217096643 U CN217096643 U CN 217096643U
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- CN
- China
- Prior art keywords
- expansion sleeve
- flange plate
- balls
- clamp body
- spline shaft
- 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.)
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 6
- 239000010959 steel Substances 0.000 title claims abstract description 6
- 230000006835 compression Effects 0.000 claims abstract description 9
- 238000007906 compression Methods 0.000 claims abstract description 9
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000003754 machining Methods 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 1
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- Jigs For Machine Tools (AREA)
- Clamps And Clips (AREA)
Abstract
A device for expanding by steel balls comprises a flange plate, an expanding mechanism, a clamp body, an end face positioning pin, a ball sleeve and balls, and is characterized in that the expanding mechanism is arranged in holes of the flange plate and the clamp, and the clamp body is matched with the flange plate and fastened by screws; 6 end face positioning pins are arranged in holes of the clamp body; the expansion mechanism consists of a spline shaft, a left expansion sleeve, a compression spring, a right expansion sleeve, a gasket and a nut, wherein the left expansion sleeve, the compression spring and the right expansion sleeve are sleeved on the spline shaft, and the gasket and the nut are arranged at the right end of the spline shaft; 6 balls and the balls are sleeved in corresponding holes of the clamp body; the right end of the flange plate is provided with a spigot, and the middle of the flange plate is provided with a spline hole; the left end of the spline shaft is provided with an external spline; the left expansion sleeve and the right expansion sleeve are provided with conical surfaces. Loosening the nut, and detaching the workpiece; and locking the nut, and expanding the ball to tighten the inner hole of the workpiece.
Description
Technical Field
The invention relates to the technical field of mechanical manufacturing, in particular to the technical field of precision machining.
Background
In the machining process, the excircle is often required to be machined by hole positioning, and the coaxiality is required to be ensured, so that a positioning expansion device which is simple in structure, convenient to manufacture and high in precision needs to be designed.
Disclosure of Invention
The utility model discloses it is exactly for designing a simple structure, make convenient, the location tight device that expands of precision height.
A device for expanding by steel balls is composed of a flange plate, an expanding mechanism, a clamp body, an end face positioning pin, a ball sleeve and balls, and is characterized in that the expanding mechanism is arranged in holes of the flange plate and the clamp, and the clamp body is matched with the flange plate and fastened by screws; 6 end face positioning pins are arranged in holes of the clamp body; the expansion mechanism consists of a spline shaft, a left expansion sleeve, a compression spring, a right expansion sleeve, a gasket and a nut, wherein the left expansion sleeve, the compression spring and the right expansion sleeve are sleeved on the spline shaft, and the gasket and the nut are arranged at the right end of the spline shaft; 6 balls and the balls are sleeved in corresponding holes of the clamp body; the right end of the flange plate is provided with a spigot, and the middle of the flange plate is provided with a spline hole; the left end of the spline shaft is provided with an external spline; the left expansion sleeve and the right expansion sleeve are provided with conical surfaces.
Drawings
FIG. 1 is a main sectional view of the present invention
In the figure, 1, a flange plate, 2, an expansion mechanism, 3, a clamp body, 4, an end face positioning pin, 5, a ball sleeve and 6, balls are arranged;
FIG. 2 is a front view of the middle expansion mechanism of the present invention
In the figure, a spline shaft is 2-1, a left expansion sleeve is 2-2, a compression spring is 2-3, a right expansion sleeve is 2-4, a washer is 2-5, and a nut is 2-6.
Detailed Description
A device for expanding by steel balls is composed of a flange plate, an expanding mechanism, a clamp body, an end face positioning pin, a ball sleeve and balls, and is characterized in that the expanding mechanism is arranged in holes of the flange plate and the clamp, and the clamp body is matched with the flange plate and fastened by screws; 6 end face positioning pins are arranged in holes of the clamp body; the expansion mechanism consists of a spline shaft, a left expansion sleeve, a compression spring, a right expansion sleeve, a gasket and a nut, wherein the left expansion sleeve, the compression spring and the right expansion sleeve are sleeved on the spline shaft, and the gasket and the nut are arranged at the right end of the spline shaft; 6 balls and the balls are sleeved in corresponding holes of the clamp body; the right end of the flange plate is provided with a spigot, and the middle of the flange plate is provided with a spline hole; the left end of the spline shaft is provided with an external spline; the left expansion sleeve and the right expansion sleeve are provided with conical surfaces.
When a workpiece is clamped, the nut is loosened, the distance between the left expansion sleeve and the right expansion sleeve is increased, 2 circles of 6 balls generate gaps between the conical surfaces of the left expansion sleeve and the right expansion sleeve, and the workpiece can be dismounted; the locking nut, the conical surfaces of the left expansion sleeve and the right expansion sleeve push the ball to move outwards to expand the inner hole of the workpiece, and then cutting processing can be carried out; when the nut is loosened and tightened, the spline shaft can slide in the spline hole of the flange plate. The invention has simple structure, convenient manufacture and high precision, and is popular with operators.
Claims (1)
1. A device for expanding by steel balls is composed of a flange plate, an expanding mechanism, a clamp body, an end face positioning pin, a ball sleeve and balls, and is characterized in that the expanding mechanism is arranged in holes of the flange plate and the clamp, and the clamp body is matched with the flange plate and fastened by screws; 6 end face positioning pins are arranged in holes of the clamp body; the expansion mechanism consists of a spline shaft, a left expansion sleeve, a compression spring, a right expansion sleeve, a gasket and a nut, wherein the left expansion sleeve, the compression spring and the right expansion sleeve are sleeved on the spline shaft, and the gasket and the nut are arranged at the right end of the spline shaft; 6 balls and the balls are sleeved in corresponding holes of the clamp body; the right end of the flange plate is provided with a spigot, and the middle of the flange plate is provided with a spline hole; the left end of the spline shaft is provided with an external spline; the left expansion sleeve and the right expansion sleeve are provided with conical surfaces.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220609109.5U CN217096643U (en) | 2022-03-10 | 2022-03-10 | Device for expanding by steel balls |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220609109.5U CN217096643U (en) | 2022-03-10 | 2022-03-10 | Device for expanding by steel balls |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217096643U true CN217096643U (en) | 2022-08-02 |
Family
ID=82603561
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220609109.5U Active CN217096643U (en) | 2022-03-10 | 2022-03-10 | Device for expanding by steel balls |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217096643U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116493625A (en) * | 2023-02-28 | 2023-07-28 | 台州市百达电器有限公司 | A punching jig for a hollow shaft of a motor |
-
2022
- 2022-03-10 CN CN202220609109.5U patent/CN217096643U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116493625A (en) * | 2023-02-28 | 2023-07-28 | 台州市百达电器有限公司 | A punching jig for a hollow shaft of a motor |
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| GR01 | Patent grant |