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A floating press-fit turbine shell bushing device and its alignment and positioning method

A turbine shell and bushing technology, applied in the field of fixtures, can solve the problems of extrusion deformation of parts bushing holes, complicated operation, low positioning accuracy, etc., to ensure the qualified rate of press-fitting, easy and reliable operation, and improve press-fitting accuracy. Effect

Active Publication Date: 2017-05-10
CRRC QISHUYAN INSTITUTE CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, the traditional tooling we use has cumbersome operation, simple principle, low positioning accuracy, unstable press-fit quality, and easy extrusion deformation of the bushing hole of the part.

Method used

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  • A floating press-fit turbine shell bushing device and its alignment and positioning method
  • A floating press-fit turbine shell bushing device and its alignment and positioning method
  • A floating press-fit turbine shell bushing device and its alignment and positioning method

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Embodiment Construction

[0014] Below in conjunction with accompanying drawing, this frock technical scheme is further described:

[0015] Such as Figure 1-7 As shown, the device includes a connecting base 1 directly bolted to the press, which has a spherical structure; the positioning rod 2 with a groove structure is opened on the lower part of the spherical structure of the connecting base, and the groove structure is used to accommodate the fastening rod 7 And the guide block 9, wherein the cylindrical perforation 12 is used to install the alignment spring 8 and the guide block 9, the guide block 9 is covered with the alignment spring 8; the guiding function of the guide block 9 is guaranteed; it is connected to the connection base 1 through the fixing bolt 10 The fixed block 3 is mainly used to fix the small spring 4 and the large spring 5, and to make the spring have a certain pressing force; the small spring groove 11 embedded in the positioning rod 2 is used to install the small spring 4 and t...

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Abstract

The invention relates to a tool clamp, in particular to an aligning mounting device for a floating bushing of a turbocharger turbine shell. The floating press-fitting turbine shell bushing device comprises a connecting base which is directly connected to a press base body, a positioning rod which is matched with the connecting base, a fixed baffle block which is connected with the connecting base and the positioning rod, a small spring which guarantees the fixed baffle block and the positioning rod to tightly act, a fastening rod which is in bolted connection with the positioning rod, a guide block which is connected on the positioning rod, and a large spring which guarantees normal action of the guide block. According to the floating press-fitting turbine shell bushing device, interaction of force between springs is delicately utilized to guarantee self-centering of the device, so that the bushing and a component bushing hole are kept to be coaxial, and therefore, press-fitting precision is improved, the structure is simplified, the operation is simple, convenient and reliable, and a press-fitting qualified rate is guaranteed.

Description

technical field [0001] The invention relates to a tooling fixture, in particular to an aligning and installing device for a floating bush of a turbine housing of a turbocharger. Background technique [0002] The process of press-fitting the bushing of the turbine housing is a key process in the assembly of the turbine housing of the turbocharger, and its press-fitting accuracy directly affects the function and life of the turbocharger. The tooling fixture is directly related to the dimensional stability, dimensional accuracy, working strength and working efficiency of the press. At present, the traditional tooling we use is cumbersome to operate, simple in principle, low in positioning accuracy, unstable in press-fitting quality, and easily causes extrusion deformation of the bushing hole of the part. Contents of the invention [0003] The purpose of the present invention is to overcome the disadvantages of the prior art, and provide a turbine shell floating press-fit bus...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B25B11/02B23P19/02B23P19/10
CPCB23P19/02B23P19/10B25B11/02
Inventor 孙力学戴怡菁
Owner CRRC QISHUYAN INSTITUTE CO LTD
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