CN210615894U - Impeller processing tool - Google Patents

Abstract

The utility model provides an impeller processing tool, including frock axle, cushion and axle head nut, frock axle front end is near the rear end of impeller inner wall, the cushion rear end is near the front end of impeller inner wall, the rear end of axle head nut is near the front end of cushion, the axle head nut inboard passes through screw-thread fit with the main shaft outside, the frock axle includes hold-down shaft and connecting axle that connect gradually from beginning to end, the connecting axle rear end is equipped with annular sunken, annular sunken and the annular bulge cooperation of lathe front end, lathe and connecting axle pass through connecting bolt fastening; the utility model has the advantages that: the machining precision is high, the machining part of the impeller is not provided with a clamping structure, and the impeller cannot deform after being machined, so that the dimensional precision of parts is ensured, and the qualified rate is improved; the universal pump has high universality, the sizes and specifications of impeller shaft holes of general pumps are several, after the tool shaft is arranged according to the size of the shaft hole, the corresponding tool shaft is replaced aiming at impellers with different shaft holes, and the size of a part connected with a machine tool is unchanged, so that the universal pump is universal and convenient.

Description

Impeller processing tool

Technical Field

The utility model relates to an impeller processing field especially relates to an impeller processing frock.

Background

In the prior art, when an impeller is machined, a jaw on a lathe is used for clamping the impeller, as shown in fig. 1, the jaw is generally located at D, E or F, the jaw clamps the side F, a turning tool is used for turning the surface of the A, B mark on the impeller, and the A, B mark is the surface of the impeller to be machined.

The prior structure has the following defects: the machining precision is not high, after the F side is clamped by the clamping jaw, the clamping position of the F side is subjected to the acting force of the clamping jaw, after the machining is finished, the F side of the clamping jaw is loosened to deform to a certain extent, so that the dimensional tolerance and the shape of the part are changed, the part is inconsistent with a drawing, and the qualification rate of the part is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an impeller processing frock.

In order to realize the purpose, the technical scheme of the utility model is that:

an impeller machining tool is characterized by comprising a tool shaft, a cushion block and a shaft end nut, wherein the tool shaft, the cushion block and the shaft end nut are all sleeved on the outer side of a main shaft, the front end of the tool shaft is arranged close to the rear end of the inner wall of an impeller, the rear end of the cushion block is arranged close to the front end of the inner wall of the impeller, the rear end of the shaft end nut is close to the front end of the cushion block, the inner side of the shaft end nut is matched with the outer side of the main shaft through threads,

the tool shaft comprises a pressing shaft and a connecting shaft which are sequentially connected from front to back, the pressing shaft and the connecting shaft are cylindrical, the outer diameter of the pressing shaft is larger than the inner diameter of the impeller, the outer diameter of the connecting shaft is larger than the outer diameter of the pressing shaft, an annular recess is formed in the rear end of the connecting shaft and is located at the outer edge of the connecting shaft, the annular recess is matched with an annular protrusion at the front end of a lathe in a protruding mode, connecting bolts penetrate through the front portion and the rear portion of the outer side of the connecting shaft and are inserted into the front end of the lathe, and the lathe and the connecting shaft are fastened through the connecting.

The utility model has the advantages that:

the machining precision is high, the machining part of the impeller is not provided with a clamping structure, and the impeller cannot deform after being machined, so that the dimensional precision of parts is ensured, and the qualified rate is improved;

the universal pump has high universality, the sizes and specifications of impeller shaft holes of general pumps are several, after the tool shaft is arranged according to the size of the shaft hole, the corresponding tool shaft is replaced aiming at impellers with different shaft holes, and the size of a part connected with a machine tool is unchanged, so that the universal pump is universal and convenient.

Drawings

FIG. 1 is a schematic view of a prior art impeller machining tool;

fig. 2 is a schematic view of the overall structure of the present invention.

Reference numerals:

1 lathe

11 annular projection

2 tooling shaft

21 pressing shaft

22 connecting shaft

23 annular recess

3 connecting bolt

4 impeller

5 cushion block

6 shaft end nut

7 lathe thimble

8, a main shaft.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The utility model discloses an impeller processing tool, as shown in figure 2, comprising a tool shaft 2, a cushion block 5 and a shaft end nut 6, wherein the tool shaft 2, the cushion block 5 and the shaft end nut 6 are all sleeved outside a main shaft 8, the front end of the tool shaft 2 is arranged near the rear end of the inner wall of an impeller 4, the rear end of the cushion block 5 is arranged near the front end of the inner wall of the impeller 4, the rear end of the shaft end nut 6 is arranged near the front end of the cushion block 5, the inner side of the shaft end nut 6 is matched with the outer side of the main shaft 8 through screw threads,

the tool shaft 2 comprises a pressing shaft 21 and a connecting shaft 22 which are sequentially connected from front to back, the pressing shaft 21 and the connecting shaft 22 are cylindrical, the outer diameter of the pressing shaft 21 is larger than the inner diameter of the impeller 4, the outer diameter of the connecting shaft 22 is larger than the outer diameter of the pressing shaft 21, an annular recess 23 is formed in the rear end of the connecting shaft 22, the annular recess 23 is located at the outer edge of the connecting shaft 22, the annular recess 23 is matched with an annular protrusion 11 at the front end of the lathe 1, a connecting bolt 3 penetrates through the outer side of the connecting shaft 22 from front to back, the connecting bolt 3 is inserted into the front end of the lathe 1, and the lathe 1 and the connecting shaft 22 are fastened through the connecting bolt 3.

During specific implementation, the tool shaft 2 is matched and positioned with the annular protrusion 11 of the lathe 1 through the annular recess 23 at the rear end of the connecting shaft 22, the lathe 1 and the tool shaft 2 are connected and fastened through the connecting bolt 3, the impeller 4 is arranged on the tool shaft 2 when the impeller 4 is machined, one end of the impeller is matched and positioned by the pressing shaft 21 at the front part of the tool shaft 2, the cushion block 5 is arranged at one end of the impeller, the impeller 4 is positioned on the whole tool structure through the threaded structure function of the shaft end nut 6 and matched with the tool shaft 2, the ejector pin 7 on the lathe is assisted at the front end of the main shaft 8, and an additional support is erected for the whole machining tool.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.

Claims (1)

1. An impeller machining tool is characterized by comprising a tool shaft, a cushion block and a shaft end nut, wherein the tool shaft, the cushion block and the shaft end nut are all sleeved on the outer side of a main shaft, the front end of the tool shaft is arranged close to the rear end of the inner wall of an impeller, the rear end of the cushion block is arranged close to the front end of the inner wall of the impeller, the rear end of the shaft end nut is close to the front end of the cushion block, the inner side of the shaft end nut is matched with the outer side of the main shaft through threads,

the tool shaft comprises a pressing shaft and a connecting shaft which are sequentially connected from front to back, the pressing shaft and the connecting shaft are cylindrical, the outer diameter of the pressing shaft is larger than the inner diameter of the impeller, the outer diameter of the connecting shaft is larger than the outer diameter of the pressing shaft, an annular recess is formed in the rear end of the connecting shaft and is located at the outer edge of the connecting shaft, the annular recess is matched with an annular protrusion at the front end of a lathe in a protruding mode, connecting bolts penetrate through the front portion and the rear portion of the outer side of the connecting shaft and are inserted into the front end of the lathe, and the lathe and the connecting shaft are fastened through the connecting.

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