CN211361505U - Clamping tool for machining annular hole in side wall of annular precision part - Google Patents
Clamping tool for machining annular hole in side wall of annular precision part Download PDFInfo
- Publication number
- CN211361505U CN211361505U CN201922477875.1U CN201922477875U CN211361505U CN 211361505 U CN211361505 U CN 211361505U CN 201922477875 U CN201922477875 U CN 201922477875U CN 211361505 U CN211361505 U CN 211361505U
- Authority
- CN
- China
- Prior art keywords
- carrier roller
- groove
- positioning column
- bottom plate
- annular
- 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
- Jigs For Machine Tools (AREA)
Abstract
The utility model discloses a clamping tool for processing annular precision part side wall annular holes, which comprises a bottom plate, a cylindrical carrier roller, a positioning column and a pneumatic pressing block, wherein the carrier roller is fixed above the bottom plate, and the top of the carrier roller is provided with a abdicating groove; one end of the carrier roller is provided with a groove, the other end of the carrier roller is provided with a bearing, one end of the positioning column penetrates out of an inner ring of the bearing to be in power connection with a speed reducer, the other end of the positioning column is positioned in the groove, and a positioning block is arranged at the top of the positioning column at the end; the pneumatic pressing block is connected to the bottom plate in a sliding mode. The utility model discloses a servo reducer control work piece pivoted angle has improved the centre gripping positioning accuracy of work piece, has guaranteed the machining precision in all bar holes on the work piece.
Description
Technical Field
The utility model belongs to the technical field of the machine tooling, a accurate lateral wall annular ring processing centre gripping frock of annular is related to.
Background
As shown in FIG. 1, the ring-shaped precision part has a plurality of strip-shaped holes A arranged in an equal angle array on the side wall of the ring, a cylinder in the center, and a square groove B on the side wall of the cylinder. The precision requirement of these bar holes is higher, consequently must design accurate centre gripping frock and just can guarantee the machining precision of these bar holes.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is: how to improve the processing precision of the strip-shaped hole in the outer ring side wall of the annular precision part.
In order to achieve the above purpose, the utility model provides a technical scheme as follows:
the clamping tool for processing the annular hole in the side wall of the annular precision part comprises a bottom plate, a cylindrical carrier roller, a positioning column and a pneumatic pressing block, wherein the carrier roller is fixed above the bottom plate, and the top of the carrier roller is provided with a yielding groove; one end of the carrier roller is provided with a groove, the other end of the carrier roller is provided with a bearing, one end of the positioning column penetrates out of an inner ring of the bearing to be in power connection with a speed reducer, the other end of the positioning column is located in the groove, and a positioning block is arranged at the top of the positioning column at the end; the pneumatic pressing block is connected to the bottom plate in a sliding mode.
In the technical scheme, a workpiece in the figure 1 is installed on a carrier roller from the side surface, a positioning column is inserted into a cylinder of the workpiece, a positioning block is clamped in a square groove, a pneumatic pressing block presses the workpiece on the carrier roller from the side surface, so that the workpiece is positioned and clamped, and a first strip-shaped hole is machined on the workpiece by machining equipment; the pneumatic pressing plate loosens the workpiece, the speed reduction motor drives the positioning column to rotate for an angle, the pneumatic pressing block presses the workpiece tightly on the carrier roller from the side face, and the machining equipment machines a second strip-shaped hole in the workpiece; and (5) circulating for a plurality of times according to the steps until all the strip-shaped holes are processed.
Compared with the prior art, the beneficial effects of the utility model are that: the servo reducer is adopted to control the rotating angle of the workpiece, so that the clamping and positioning precision of the workpiece is improved, and the machining precision of all strip-shaped holes in the workpiece is ensured.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below.
FIG. 1 is a view showing a structure of a tubular aluminum casting in the prior art;
FIG. 2 is a partial cross-sectional view of the clamping tool disclosed in the first embodiment;
fig. 3 is a partial sectional view of the clamping tool disclosed in the second embodiment.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
Example one
Please refer to the clamping fixture for processing the annular hole on the side wall of the annular precision part shown in fig. 2, which comprises a bottom plate 10, a cylindrical carrier roller 20, a positioning column 30 and a pneumatic pressing block 40, wherein the carrier roller 20 is fixed above the bottom plate 10, and the top of the carrier roller 20 is provided with a relief groove 50; one end of the carrier roller 20 is provided with a groove 21, the other end is provided with a bearing 60, one end of the positioning column 30 penetrates out of an inner ring of the bearing 60 to be in power connection with a speed reducer 70, the other end is positioned in the groove 21, and the top of the positioning column 30 at the end is provided with a positioning block 80; the pneumatic pressing block 40 is connected on the bottom plate 10 in a sliding mode.
The workpiece C in the figure 1 is installed on the carrier roller 20 from the side, the positioning column 30 is inserted into a cylinder of the workpiece, the positioning block is clamped in the square groove, the pneumatic pressing block 40 presses the workpiece on the carrier roller 20 from the side, so that the workpiece is positioned and clamped, and the machining equipment machines a first strip-shaped hole in the workpiece; the pneumatic pressing plate loosens the workpiece, the speed reduction motor drives the positioning column 30 to rotate for an angle, the pneumatic pressing block 40 presses the workpiece tightly on the carrier roller 20 from the side face, and the machining equipment machines a second strip-shaped hole in the workpiece; and (5) circulating for a plurality of times according to the steps until all the strip-shaped holes are processed. The tool adopts the servo reducer 70 to control the rotating angle of the workpiece, improves the clamping and positioning precision of the workpiece, and ensures the processing precision of all strip-shaped holes on the workpiece.
Example two
Please refer to fig. 3, which illustrates a clamping fixture for processing a ring hole on a sidewall of an annular precision part, comprising a bottom plate 10, a cylindrical carrier roller 20, a positioning column 30 and a pneumatic press block 40, wherein the carrier roller 20 is fixed above the bottom plate 10. The top of the carrier roller 20 is provided with a through groove 90 communicated with the groove 21, the bottom of the through groove is sealed by a sealing plate 100, a support block 110 is placed in the through groove, the top of the support block is provided with a abdicating groove 50 for abdicating the cutter, and a hanging table at the bottom of the support block and the step surface of the through groove are sealed by a sealing ring; an air passage 120 is arranged in the carrier roller 20, one end of the air passage is communicated with the through groove, and the other end of the air passage is communicated with an external air source. One end of the carrier roller 20 is provided with a groove 21, the other end is provided with a bearing 60, one end of the positioning column 30 penetrates out of an inner ring of the bearing 60 to be in power connection with a speed reducer 70, the other end is positioned in the groove 21, and the top of the positioning column 30 at the end is provided with a positioning block; the pneumatic pressing block 40 is connected on the bottom plate 10 in a sliding mode.
The workpiece in fig. 1 is installed on the carrier roller 20 from the side, the positioning column 30 is inserted into a cylinder of the workpiece, the positioning block is clamped in the square groove, and the pneumatic pressing block 40 presses the workpiece on the carrier roller 20 from the side, so that the workpiece is positioned and clamped. Before the processing equipment processes down, high-pressure gas is introduced into the through groove from an external gas source, the supporting block is positioned upwards, the top of the supporting block is attached to the inner wall of the workpiece, and then the processing equipment processes a first strip-shaped hole on the workpiece down. The pneumatic pressing plate loosens the workpiece, air in the through groove is pumped out, the supporting block retracts into the carrier roller 20, the top surface of the supporting block is separated from the workpiece, the speed reduction motor drives the positioning column 30 to rotate for an angle, the pneumatic pressing block 40 presses the workpiece tightly on the carrier roller 20 from the side surface, high-pressure air is introduced into the through groove from an external air source, the supporting block is positioned upwards, the top of the supporting block is attached to the inner wall of the workpiece, and then, a second strip-shaped hole is machined in the workpiece by machining equipment; and (5) circulating for a plurality of times according to the steps until all the strip-shaped holes are processed.
Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (2)
1. The clamping tool for processing the annular hole in the side wall of the annular precision part is characterized by comprising a bottom plate, a cylindrical carrier roller, a positioning column and a pneumatic pressing block, wherein the carrier roller is fixed above the bottom plate, and the top of the carrier roller is provided with a abdicating groove; one end of the carrier roller is provided with a groove, the other end of the carrier roller is provided with a bearing, one end of the positioning column penetrates out of an inner ring of the bearing to be in power connection with a speed reducer, the other end of the positioning column is located in the groove, and a positioning block is arranged at the top of the positioning column at the end; the pneumatic pressing block is connected to the bottom plate in a sliding mode.
2. The clamping tool according to claim 1, wherein a through groove communicated with the groove is formed in the top of the carrier roller, the bottom of the through groove is sealed by a sealing plate, a support block is placed in the through groove, the abdicating groove is formed in the top of the support block, and a hanging table at the bottom of the support block and a step surface of the through groove are sealed through a sealing ring; and an air passage with one end communicated with the through groove and the other end communicated with an external air source is arranged in the carrier roller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922477875.1U CN211361505U (en) | 2019-12-31 | 2019-12-31 | Clamping tool for machining annular hole in side wall of annular precision part |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922477875.1U CN211361505U (en) | 2019-12-31 | 2019-12-31 | Clamping tool for machining annular hole in side wall of annular precision part |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211361505U true CN211361505U (en) | 2020-08-28 |
Family
ID=72165862
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922477875.1U Active CN211361505U (en) | 2019-12-31 | 2019-12-31 | Clamping tool for machining annular hole in side wall of annular precision part |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211361505U (en) |
-
2019
- 2019-12-31 CN CN201922477875.1U patent/CN211361505U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204621586U (en) | A kind of multi-station machine tool Self-centering device | |
| CN203725807U (en) | Sleeve part machining fixture | |
| CN203791659U (en) | Self-adaptive expansion sleeve clamp | |
| CN202571938U (en) | Miller processing clamp base | |
| CN103894850B (en) | A kind of spatial automatic overturning clamping apparatus of saving | |
| CN103600242B (en) | A kind of resilient clamping positioning device | |
| CN103028907A (en) | Technology for processing end cap | |
| CN211361505U (en) | Clamping tool for machining annular hole in side wall of annular precision part | |
| CN202726576U (en) | Fixture of milling machine | |
| CN202964133U (en) | Lathe machining fixture | |
| CN102501113B (en) | Tool fixture | |
| CN110842598B (en) | Positioning and clamping device for high-speed machining of cycloid gear | |
| CN104826885B (en) | The processing method that a kind of light-wall pipe is radially molded | |
| CN212240280U (en) | Numerical control vertical machine tool machining turntable | |
| CN104475762B (en) | A kind of Impeller Machining technique of high pressure positive blower | |
| CN210306893U (en) | Numerical control machine tool machining positioning fixture | |
| CN202639904U (en) | Workpiece horn mouth processing tool | |
| CN215431590U (en) | Flexible clamp for turning large weak-rigidity ring part | |
| CN205254599U (en) | Spiral bevel gear hole car adds clamping apparatus | |
| CN212653418U (en) | Annular workpiece fixing device | |
| CN216882087U (en) | Motor casing processing rotation stopping groove device | |
| CN214920600U (en) | Novel concentric turning anchor clamps of bell-shaped cover | |
| CN219379020U (en) | Annular workpiece clamping tool | |
| CN104084615A (en) | Machining method of ring support | |
| CN210306903U (en) | Outer cylinder clamping device of centrifugal pump |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |