CN105921775A - Double entry pump impeller expanding mandrel tool - Google Patents
Double entry pump impeller expanding mandrel tool Download PDFInfo
- Publication number
- CN105921775A CN105921775A CN201610541358.4A CN201610541358A CN105921775A CN 105921775 A CN105921775 A CN 105921775A CN 201610541358 A CN201610541358 A CN 201610541358A CN 105921775 A CN105921775 A CN 105921775A
- Authority
- CN
- China
- Prior art keywords
- mandrel
- tool
- hand member
- pull bar
- pump impeller
- 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.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B31/00—Chucks; Expansion mandrels; Adaptations thereof for remote control
- B23B31/40—Expansion mandrels
- B23B31/404—Gripping the work or tool by jaws moving radially controlled by conical surfaces
- B23B31/4066—Gripping the work or tool by jaws moving radially controlled by conical surfaces using mechanical transmission through the spindle
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B2215/00—Details of workpieces
- B23B2215/76—Components for turbines
- B23B2215/81—Turbine blades
Abstract
The invention discloses a double entry pump impeller expanding mandrel tool. The tool comprises a pull rod fixedly installed on a chuck of a machine tool, a fixed sleeve is fixedly installed on the pull rod, the inner wall of the fixed sleeve is in a taper drum shape, a transition sleeve is arranged on the inner wall of the fixed sleeve, a taper hole is formed in the center of the transition sleeve and is connected with a mandrel in a clamped mode, a screw hole is formed in the left end of the mandrel, the right end of the pull rod is provided with a thread and screwed into the screw hole, a step shaft is arranged at the right end of the mandrel, and an impeller is fixedly installed on the step shaft through a nut. The tool is reasonable in structural design, an outer circle seam allowance and the plane of a workpiece can be accurately machined, machining circle run-out and size precision are ensured, and product quality is improved.
Description
Technical field:
The present invention relates to the field of pump, particularly a kind of swollen mandrel tool of double-suction pump impeller.
Background technology:
In prior art, the impeller expansion core axle of double entry pump does not has special frock clamp in the course of processing, processes efficiency very lowly, and cannot ensure quality.
Summary of the invention:
The invention aims to solve the deficiencies in the prior art, it is provided that a kind of swollen mandrel tool of double-suction pump impeller.
The technical solution used in the present invention is:
Double-suction pump impeller is swollen mandrel tool, including pull bar, pull bar is fixedly installed on the chuck of lathe, it is characterised in that:
It is installed with fixed cover on described pull bar, the inwall of fixed cover is barrel-shaped for cone, its inwall is provided with spacer shell, spacer shell central authorities are provided with taper hole and are connected with mandrel, the left end of mandrel has screw, pull bar right-hand member is provided with screw thread and is screwed together in screw, and the right-hand member of mandrel is provided with Step Shaft and fixedly mounts impeller by nut.
Described double-suction pump impeller is swollen mandrel tool, it is characterised in that:
Described mandrel right-hand member is provided with locating piece, and the mandrel of locating piece right part is provided with taper surface and screw thread, and taper surface is cased with expansion core set, and the wall contacts impeller of expansion core set, right-hand member contact hold out against nut, hold out against nut and be screwed together on mandrel.
Described double-suction pump impeller is swollen mandrel tool, it is characterised in that:
The right-hand member of described pull bar screws togather fixing connection through fixed cover and spacer shell with the left end of mandrel.
Compared with prior art, the beneficial effects of the present invention is:
Present configuration is reasonable in design, it is possible to processing excircle of workpiece seam and plane exactly, it is ensured that processing circle is beated and dimensional accuracy, improves the quality of product.
Accompanying drawing illustrates:
Fig. 1 is the structural representation of the present invention.
Detailed description of the invention:
Below in conjunction with the accompanying drawings, by embodiment, the present invention is described in further detail:
Double-suction pump impeller is swollen mandrel tool, including pull bar 1, pull bar 1 is fixedly installed on the chuck of lathe, being installed with fixed cover 2 on pull bar 1, the inwall of fixed cover 2 is barrel-shaped for cone, and its inwall is provided with spacer shell 3, spacer shell 3 central authorities are provided with taper hole and are connected with mandrel 4, the left end of mandrel 4 has screw, and pull bar 1 right-hand member is provided with screw thread and is screwed together in screw, and the right-hand member of mandrel 4 is provided with Step Shaft and fixedly mounts impeller 5 by nut.
Mandrel 4 right-hand member is provided with locating piece 6, and the mandrel 4 of locating piece 6 right part is provided with taper surface and screw thread, and taper surface is cased with expansion core set 7, and the wall contacts impeller 5 of expansion core set 7, right-hand member contact hold out against nut 8, hold out against nut 8 and be screwed together on mandrel 4.
The right-hand member of pull bar 1 screws togather fixing connection through fixed cover 2 and spacer shell 3 with the left end of mandrel 4.
Above-described embodiment is only the preferably embodiment of the present invention, and in addition, the present invention can also have other implementations.It should be noted that on the premise of without departing from present inventive concept, any conspicuously improved and modification all should fall under the scope of the present invention.
Claims (3)
1. the swollen mandrel tool of double-suction pump impeller, including pull bar, pull bar is fixedly installed on the chuck of lathe, it is characterised in that:
It is installed with fixed cover on described pull bar, the inwall of fixed cover is barrel-shaped for cone, its inwall is provided with spacer shell, spacer shell central authorities are provided with taper hole and are connected with mandrel, the left end of mandrel has screw, pull bar right-hand member is provided with screw thread and is screwed together in screw, and the right-hand member of mandrel is provided with Step Shaft and fixedly mounts impeller by nut.
Double-suction pump impeller the most according to claim 1 is swollen mandrel tool, it is characterised in that:
Described mandrel right-hand member is provided with locating piece, and the mandrel of locating piece right part is provided with taper surface and screw thread, and taper surface is cased with expansion core set, and the wall contacts impeller of expansion core set, right-hand member contact hold out against nut, hold out against nut and be screwed together on mandrel.
Double-suction pump impeller the most according to claim 1 is swollen mandrel tool, it is characterised in that:
The right-hand member of described pull bar screws togather fixing connection through fixed cover and spacer shell with the left end of mandrel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610541358.4A CN105921775A (en) | 2016-07-11 | 2016-07-11 | Double entry pump impeller expanding mandrel tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610541358.4A CN105921775A (en) | 2016-07-11 | 2016-07-11 | Double entry pump impeller expanding mandrel tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105921775A true CN105921775A (en) | 2016-09-07 |
Family
ID=56827756
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610541358.4A Pending CN105921775A (en) | 2016-07-11 | 2016-07-11 | Double entry pump impeller expanding mandrel tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105921775A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4285528A (en) * | 1980-04-18 | 1981-08-25 | The Gillette Company | Chuck assembly |
| CN201744685U (en) * | 2010-05-11 | 2011-02-16 | 上海东方泵业(集团)有限公司 | Built-up mandrel for lathe |
| CN203471083U (en) * | 2013-08-09 | 2014-03-12 | 内江神舟机电设备有限公司 | Inner centering tensioning clamp |
| CN205869504U (en) * | 2016-07-11 | 2017-01-11 | 合肥凯泉电机电泵有限公司 | Double entry pump impeller dabber frock that expands |
-
2016
- 2016-07-11 CN CN201610541358.4A patent/CN105921775A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4285528A (en) * | 1980-04-18 | 1981-08-25 | The Gillette Company | Chuck assembly |
| CN201744685U (en) * | 2010-05-11 | 2011-02-16 | 上海东方泵业(集团)有限公司 | Built-up mandrel for lathe |
| CN203471083U (en) * | 2013-08-09 | 2014-03-12 | 内江神舟机电设备有限公司 | Inner centering tensioning clamp |
| CN205869504U (en) * | 2016-07-11 | 2017-01-11 | 合肥凯泉电机电泵有限公司 | Double entry pump impeller dabber frock that expands |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160907 |