CN211841085U

CN211841085U - Volute positioning tool for automobile turbocharger

Info

Publication number: CN211841085U
Application number: CN202020442308.2U
Authority: CN
Inventors: 达萍
Original assignee: Nanjing Qinchi Machinery Manufacturing Co ltd
Current assignee: Nanjing Qinchi Machinery Manufacturing Co ltd
Priority date: 2020-03-31
Filing date: 2020-03-31
Publication date: 2020-11-03
Anticipated expiration: 2030-03-31

Abstract

The utility model provides a volute positioning tool of an automobile turbocharger, which comprises a table board, a limiting plate and a flexible positioning piece; the table top is used for supporting the volute, the limiting plate is vertically fixed on the table top, and the limiting plate is tightly attached to the waste gas inlet end face of the volute; the flexible positioning part can with the limiting plate presss from both sides tight volute together, flexible positioning part is including straining piece, extension spring, along with shape splint and locating piece, straining piece is fixed in on the mesa, extension spring's both ends fixed connection respectively straining piece with along with shape splint, locating piece detachably place in straining piece with along with between the shape splint, the locating piece can be to volute one side extrusion along with shape splint, makes the volute is hugged closely along with shape splint. The utility model discloses can solve the poor stability's of the tight location of clamp to the volute problem.

Description

Volute positioning tool for automobile turbocharger

Technical Field

The utility model belongs to the technical field of the volute processing, concretely relates to automobile turbocharger's volute location frock.

Background

The gas outlet terminal surface to the volute needs to carry out car processing in the manufacturing process of car turbo charger volute, adds the processing and should carry out the clamping location to the volute, and current location frock uses the cylinder drive usually and presss from both sides tight volute, and the material cost of frock is higher, and the cylinder is driven by the air compressor machine, and the running cost is also higher, if compressed air's atmospheric pressure is not stable enough, then the clamp force of volute also can produce undulant, is difficult to the stable, fix a position the volute effectively.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an automobile turbocharger's volute location frock to the poor stability's of the tight location of clamp problem is pressed from both sides to the volute to the solution.

The utility model provides a following technical scheme:

a volute positioning tool of an automobile turbocharger comprises a table top, a limiting plate and a flexible positioning piece;

the table top is used for supporting the volute, the limiting plate is vertically fixed on the table top, and the limiting plate is tightly attached to the waste gas inlet end face of the volute;

the flexible positioning part can with the limiting plate presss from both sides tight volute together, flexible positioning part is including straining piece, extension spring, along with shape splint and locating piece, straining piece is fixed in on the mesa, extension spring's both ends fixed connection respectively straining piece with along with shape splint, locating piece detachably place in straining piece with along with between the shape splint, the locating piece can be to volute one side extrusion along with shape splint, makes the volute is hugged closely along with shape splint.

Preferably, a guide rod penetrates through the extension spring, one end of the guide rod is fixed on the tensioning block, a sliding hole is formed in the conformal clamping plate, and the other end of the guide rod can slide back and forth along the sliding hole.

Preferably, the end part of the guide rod, which is positioned in the slide hole, is provided with a limiting bulge, and the limiting bulge can be abutted to the side wall of the slide hole.

Preferably, the bottom of the positioning block is provided with a groove, and the extension spring can be arranged in the groove.

Preferably, two extension springs are installed between the tensioning block and the conformal clamping plate at intervals in the same horizontal plane.

Preferably, the table top is further provided with a positioning column, and the positioning column extends into the shell cavity of the volute.

The utility model has the advantages that: the utility model discloses install limiting plate and flexible setting element relatively on the mesa, flexible setting element can stretch out and press from both sides tight volute, is convenient for process the gas outlet flange face of volute. Before the volute is positioned, the flexible positioning piece can automatically tighten the conformal clamping plate through the extension spring, so that the conformal clamping plate is far away from the volute, the conformal clamping plate is pushed out when the volute needs to be clamped, then the positioning block is clamped between the tensioning block and the conformal clamping plate, the conformal clamping plate is tightly attached to the arc-shaped outer side wall of the volute, and the flange surface of the volute is processed. The tool does not need to use driving devices such as an air cylinder and the like to clamp the volute, so that the number of parts is reduced, and the cost of the tool is reduced. The positioning block continuously and rigidly extrudes the conformal clamping plate, and the stability of clamping and positioning the volute by the conformal clamping plate is high.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

FIG. 1 is a schematic top view of the scroll of the present invention before clamping the scroll;

FIG. 2 is a schematic top view of the scroll clamping mechanism of the present invention;

FIG. 3 is a schematic side view of the clamping scroll of the present invention;

fig. 4 is a schematic cross-sectional structure diagram of the positioning block of the present invention.

Labeled as: 10. a table top; 11. a positioning column; 20. a limiting plate; 30. a flexible positioning member; 31. a tensioning block; 32. an extension spring; 33. a conformal splint; 34. positioning blocks; 35. an arc-shaped positioning surface; 36. a guide bar; 37. a limiting bulge; 38. a slide hole; 39. a groove; 40. a volute; 41. an exhaust gas inlet end face; 42. and an air outlet flange surface.

Detailed Description

As shown in fig. 1 and 2, the fixture for locating the volute of the automobile turbocharger is used for turning the air outlet flange surface 42 of the volute, and comprises a table top 10, a limiting plate 20 and a flexible locating piece 30.

The table top 10 is used for supporting the volute 40, the limiting plate 20 is vertically welded and fixed on the table top 10, and the limiting plate 20 can be tightly attached to the exhaust gas inlet end face 41 of the volute 40.

The flexible positioning member 30 and the limit plate 20 can clamp the scroll 40 together, the flexible positioning member 30 is disposed opposite to the limit plate 20, the flexible positioning member 30 includes a tension block 31, an extension spring 32, a shape following clamping plate 33 and a positioning block 34, the tension block 31 is welded and fixed on the table top 10, two ends of the extension spring 32 are respectively and fixedly connected with the tension block 31 and the shape following clamping plate 33, referring to fig. 1, the extension spring 32 can tension the shape following clamping plate 33 in a free state to make it far away from the scroll 40, so as to place the scroll 40 on the table top 10. Referring to fig. 3, an arc-shaped positioning surface 35 matching with the outer sidewall of the scroll 40 is disposed on the sidewall of the conformal clamping plate 33. The positioning block 34 is a separate component, and the positioning block 34 can be placed between the tension block 31 and the follower 33 to press the follower 33 toward the scroll 40, so that the follower 33 is tightly attached to the scroll 40, thereby positioning the scroll 40.

Referring to fig. 1 and 2, a guide rod 36 penetrates through the extension spring 32, one end of the guide rod 36 is welded or screwed to the tension block 31, a sliding hole 38 is formed in the shape-following clamp plate 33, the other end of the guide rod 36 can slide back and forth along the sliding hole 38 in the deformation process of the extension spring 32, and the guide rod 36 guides the extension and retraction of the extension spring 32 to prevent the shape-following clamp plate 33 from being inclined in the extension process.

The end part of the guide rod 36 in the sliding hole 38 is provided with a limiting projection 37, and after the extension spring 32 is stretched to a certain degree, the limiting projection 37 can abut against the side wall of the sliding hole 38 to prevent the guide rod 36 from being separated from the conformal clamping plate 33, so that the extension spring 32 and the conformal clamping plate 33 are kept in flexible connection.

In order to protect the extension spring 32 and prevent iron filings generated by machining from splashing into the extension spring, the extension spring 32 can be covered by a positioning block 34, and referring to fig. 4, a groove 39 is formed at the bottom of the positioning block 34, so that the positioning block 34 can be placed on the extension spring 32, and the groove 39 covers the extension spring 32.

Two extension springs 32 are installed between the tension block 31 and the conformal clamping plate 33 at intervals in the same horizontal plane to keep the movable balance of the conformal clamping plate 33.

The table top 10 is further provided with a positioning column 11, and the positioning column 11 extends into the shell cavity of the volute 40. The positioning post 11 can roughly position the scroll 40 to provide a preparation condition for the positioning action of the flexible positioning member 30.

The working process of the tool is as follows: the volute 40 is placed on the table top 10, the waste gas inlet end face 41 of the volute 40 is tightly attached to the limiting plate 20, the follower clamp plate 33 is pulled until the outer side wall of the volute 40 is embedded into the arc-shaped positioning face 35 of the follower clamp plate 33, the extension spring 32 is stretched in the process, the positioning block 34 is placed on the extension spring 32, the follower clamp plate 33 is clamped by the positioning block 34, and the volute 40 is reliably positioned under the clamping action of the follower clamp plate 33 and the limiting plate 20. The outlet flange face 42 of the volute 40 is then machined. After the processing, the positioning block 34 is taken out, the conformal clamping plate 33 automatically resets under the tension of the extension spring 32, and then the volute 40 is taken away.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A volute positioning tool of an automobile turbocharger is characterized by comprising a table top, a limiting plate and a flexible positioning piece;

2. The volute positioning tool of the automobile turbocharger as claimed in claim 1, wherein a guide rod penetrates through the extension spring, and one end of the guide rod is fixed to the tensioning block; a sliding hole is arranged in the conformal clamping plate, and the other end of the guide rod can slide back and forth along the sliding hole.

3. The automobile turbocharger volute positioning tool as claimed in claim 2, wherein a limiting protrusion is arranged at an end of the guide rod in the sliding hole, and the limiting protrusion can abut against a side wall of the sliding hole.

4. The volute positioning tool of the automobile turbocharger as claimed in claim 1, wherein a groove is formed in the bottom of the positioning block, and the extension spring can be placed in the groove.

5. The automobile turbocharger volute positioning tool according to claim 1, wherein two extension springs are mounted between the tension block and the conformal clamping plate at intervals in the same horizontal plane.

6. The automobile turbocharger volute positioning tool as claimed in claim 1, wherein a positioning post is further mounted on the table top and extends into the volute cavity.