CN211276821U - Internal thread machining device of impeller - Google Patents
Internal thread machining device of impeller Download PDFInfo
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- CN211276821U CN211276821U CN201922195290.0U CN201922195290U CN211276821U CN 211276821 U CN211276821 U CN 211276821U CN 201922195290 U CN201922195290 U CN 201922195290U CN 211276821 U CN211276821 U CN 211276821U
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- expansion
- impeller
- inflation
- internal thread
- center line
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Abstract
The utility model discloses an internal thread processing device of impeller, including the processingequipment body, the processingequipment body includes the base, install positioner, roof on the base and be fixed in the screw tap on the roof, install positioner on the base, positioner includes positioning disk, inflation plug, the inflation cover with impeller hole looks adaptation, the inflation is sheathe in and is arranged many separating grooves along the circumferencial direction, the separating groove is arranged along the axial direction of inflation cover, the inflation hole of toper structure is seted up in the inflation cover, the inflation plug includes body portion and inflation portion, the inflation portion is the toper structure, the inflation portion with inflation hole looks adaptation; the axial center line of the screw tap, the axial center line of the expansion core rod and the axial center line of the expansion sleeve are coincided. The utility model discloses simple structure easily realizes, adopts the internal thread of its processing impeller, and stability is good, and then can improve the qualification rate greatly.
Description
Technical Field
The utility model relates to a turbo charger processing technology field of car especially relates to an internal thread processingequipment of impeller.
Background
The turbocharger is actually an air compressor that increases the intake air amount by compressing air. The engine uses the inertia impulse force of the exhaust gas from the engine to push the turbine in the turbine chamber, the turbine drives the coaxial impeller, the impeller presses the air sent by the air filter pipeline, and the air is pressurized and enters the cylinder.
The impeller is one of the important parts of the turbocharger. At present, when the impeller is produced, an internal thread needs to be machined, however, the machining stability of the internal thread of the existing impeller is poor, and the qualified rate is low, so that the problem is urgently needed to be solved.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to the above-mentioned problem, provide an internal thread processingequipment of impeller to solve the internal thread processing poor stability of current impeller, the problem that the percent of pass is low.
The utility model aims at realizing through the following technical scheme:
an internal thread machining device of an impeller comprises a machining device body, wherein the machining device body comprises a base, a positioning device, a top plate and a screw tap, the positioning device is installed on the base, the screw tap is fixed on the top plate, the positioning device is installed on the base and comprises a positioning disc, an expansion core rod and an expansion sleeve matched with an inner hole of the impeller, a plurality of partition grooves are arranged on the expansion sleeve along the circumferential direction, the partition grooves are arranged along the axial direction of the expansion sleeve, an expansion hole with a conical structure is formed in the expansion sleeve, the expansion core rod comprises a body part and an expansion part, the expansion part is of the conical structure, and the expansion part is matched with the expansion hole; the axial center line of the screw tap, the axial center line of the expansion core rod and the axial center line of the expansion sleeve are coincided.
As an optimized proposal of the utility model, a clearance is arranged between the outer peripheral surface of the expansion sleeve and the inner hole of the impeller.
As a preferred scheme of the utility model, the clearance is 0.02mm ~ 0.05 mm.
As an optimized proposal of the utility model, the dividing grooves are 4, the 4 dividing grooves are followed the circumferencial direction equipartition of inflation cover.
As a preferable embodiment of the present invention, the body portion and the expansion portion are integrally structured.
The beneficial effects of the utility model are that, an internal thread processingequipment of impeller simple structure easily realizes, adopts its internal thread of processing impeller, and stability is good, and then can improve the qualification rate greatly.
Drawings
FIG. 1 is a schematic structural view of an internal thread machining apparatus for an impeller;
fig. 2 is a schematic cross-sectional view at B-B of an internal thread machining apparatus of an impeller shown in fig. 1.
Detailed Description
The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings. It is to be understood that the embodiments described herein are merely illustrative of the present invention and are not limiting thereof.
Referring to fig. 1 and 2, fig. 1 is a schematic structural view of an internal thread processing device of an impeller; fig. 2 is a schematic cross-sectional view at B-B of an internal thread machining apparatus of an impeller shown in fig. 1.
In the embodiment, the internal thread processing device of the impeller comprises a processing device body, wherein the processing device body comprises a base 1, a positioning device arranged on the base 1, a top plate 2 and a screw tap 3 fixed on the top plate 2, the base 1 is provided with a positioning device which comprises a positioning disc 4, an expansion core rod 7 and an expansion sleeve 6 matched with an inner hole of the impeller 5, a gap is arranged between the peripheral surface of the expansion sleeve 6 and the inner hole of the impeller 5, the gap is 0.02 mm-0.05 mm, 4 dividing grooves are uniformly distributed on the expansion sleeve 6 along the circumferential direction and are arranged along the axial direction of the expansion sleeve 6, an expansion hole with a conical structure is formed in the expansion sleeve 6, the expansion core rod 7 comprises a body part and an expansion part, the expansion part is of a conical structure, and the expansion part is matched with the expansion hole; the axial center line of the tap 3, the axial center line of the expansion core rod 7 and the axial center line of the expansion sleeve 6 are coincident.
In order to facilitate production and manufacture, in this embodiment, the main body and the expansion portion are of an integral structure.
When the machining process is carried out, the base 1 is installed on the table top of a machine tool, the top plate 2 is installed on the upper portion of the machine tool, the axial center line of the screw tap 3, the axial center line of the expansion core rod 7 and the axial center line of the expansion sleeve 6 are coincident, then the impeller 5 is installed on the positioning plate 4, the inner hole of the impeller 5 is sleeved on the expansion sleeve 6, then the expansion core rod 7 is inserted to enable the expansion sleeve 6 to be uniformly expanded all around to be locked with the inner hole of the impeller 5, the machining of the inner thread of the impeller 5 can be carried out at the moment, the machining stability is high, and the qualified rate can be greatly.
The above embodiments have been merely illustrative of the basic principles and features of the present invention, and the present invention is not limited by the above embodiments, and does not depart from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims.
Claims (5)
1. The utility model provides an internal thread processingequipment of impeller, includes the processingequipment body, its characterized in that: the machining device comprises a machining device body and a machining device body, wherein the machining device body comprises a base, a positioning device arranged on the base, a top plate and a screw tap fixed on the top plate, the positioning device is arranged on the base and comprises a positioning disc, an expansion core rod and an expansion sleeve matched with an inner hole of an impeller, a plurality of partition grooves are arranged on the expansion sleeve along the circumferential direction, the partition grooves are arranged along the axial direction of the expansion sleeve, an expansion hole with a conical structure is formed in the expansion sleeve, the expansion core rod comprises a body part and an expansion part, the expansion part is of a conical structure, and the expansion part is matched with the expansion hole; the axial center line of the screw tap, the axial center line of the expansion core rod and the axial center line of the expansion sleeve are coincided.
2. The internal thread processing device of an impeller according to claim 1, wherein: a gap is arranged between the peripheral surface of the expansion sleeve and the inner hole of the impeller.
3. The internal thread processing device of an impeller according to claim 2, wherein: the gap is 0.02 mm-0.05 mm.
4. The internal thread processing device of an impeller according to claim 3, wherein: the number of the dividing grooves is 4, and the 4 dividing grooves are uniformly distributed along the circumferential direction of the expansion sleeve.
5. An internal thread machining apparatus for an impeller according to any one of claims 1 to 4, wherein: the body part and the expansion part are of an integral structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922195290.0U CN211276821U (en) | 2019-12-09 | 2019-12-09 | Internal thread machining device of impeller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922195290.0U CN211276821U (en) | 2019-12-09 | 2019-12-09 | Internal thread machining device of impeller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211276821U true CN211276821U (en) | 2020-08-18 |
Family
ID=72023170
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922195290.0U Active CN211276821U (en) | 2019-12-09 | 2019-12-09 | Internal thread machining device of impeller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211276821U (en) |
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2019
- 2019-12-09 CN CN201922195290.0U patent/CN211276821U/en active Active
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