CN109192611B - Armature shaft turning tool - Google Patents

Armature shaft turning tool Download PDF

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Publication number
CN109192611B
CN109192611B CN201811172193.3A CN201811172193A CN109192611B CN 109192611 B CN109192611 B CN 109192611B CN 201811172193 A CN201811172193 A CN 201811172193A CN 109192611 B CN109192611 B CN 109192611B
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CN
China
Prior art keywords
armature
positioning
shaft
clamping block
positioning sleeve
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Active
Application number
CN201811172193.3A
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Chinese (zh)
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CN109192611A (en
Inventor
李森
宁治明
刘建利
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Shaanxi Qunli Electric Co ltd
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Shaanxi Qunli Electric Co ltd
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Priority to CN201811172193.3A priority Critical patent/CN109192611B/en
Publication of CN109192611A publication Critical patent/CN109192611A/en
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Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H49/00Apparatus or processes specially adapted to the manufacture of relays or parts thereof
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23BTURNING; BORING
    • B23B5/00Turning-machines or devices specially adapted for particular work; Accessories specially adapted therefor
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23QDETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q3/00Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
    • B23Q3/12Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for securing to a spindle in general

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Machine Tool Units (AREA)

Abstract

An armature shaft turning tool comprises a rotary positioning seat, an annular positioning sleeve and a semicircular clamping block; the rotary positioning seat consists of a positioning disc, and clamping shafts and positioning shafts which are positioned at two sides of the positioning disc and positioned at the same rotary center; the outer end of the positioning shaft is provided with a right-angle positioning table, an annular positioning sleeve is sleeved on the right-angle positioning table, an armature is arranged on the right-angle positioning table, the semicircular clamping block is embedded in the annular positioning sleeve and is positioned above the armature, and the horizontal plane of the semicircular clamping block is abutted against the upper end face of the armature through a locking screw arranged on the annular positioning sleeve; when the turning of the armature shaft at one side of the armature is completed, the locking screw is loosened, the armature is taken out, horizontally rotated for 180 degrees, and then is installed on the right-angle positioning table again and is tightly pressed through the semicircular clamping block, and the armature shaft at the other side of the armature is turned. The invention realizes quick installation and accurate positioning, not only can meet the machining precision requirement of the armature small shaft, but also ensures the machining efficiency. Can be directly applied to the existing common lathe, and reduces the production cost.

Description

Armature shaft turning tool
Technical Field
The invention belongs to the technical field of relay manufacturing, and particularly relates to an armature shaft turning tool.
Background
The connecting shaft armature for the relay electromagnetic system is characterized in that precise small shafts are respectively machined on the end faces of two sides of the armature, the coaxiality of the small shafts on the end faces of the two sides is less than or equal to 0.06mm, the outer diameter tolerance is within 0.04mm, the surface roughness is Ra0.8, and the requirement on the symmetry degree of the appearance is 0.1mm. The connecting shaft armature has small outline dimension and high processing precision requirement. In the prior art, the armature of the connecting shaft is processed by one-time clamping, and the small shafts on two sides are simultaneously turned on a special machine tool.
Disclosure of Invention
The invention provides an armature shaft turning tool which is used for turning a connecting shaft armature on an ordinary lathe, has a simple structure and reliable positioning, and can meet the precision requirement of an armature small shaft.
The technical scheme adopted by the invention is as follows: an armature shaft turning tool comprises a rotary positioning seat, an annular positioning sleeve and a semicircular clamping block; the rotary positioning seat consists of a positioning disc, and clamping shafts and positioning shafts which are positioned at two sides of the positioning disc and positioned at the same rotary center; the outer end of the positioning shaft is provided with a right-angle positioning table formed by a horizontal reference surface and a vertical reference surface which are mutually perpendicular, the height h of the horizontal reference surface lower than the rotation center is equal to the distance between the center of the armature shaft and the armature reference surface, and the vertical reference surface is provided with a counter bore coaxial with the rotation center; the positioning shaft is sleeved with an annular positioning sleeve, the annular positioning sleeve is radially provided with a threaded hole, the inner diameter of the annular positioning sleeve is matched with the maximum rotation dimension D of the armature, and the inner end face of the annular positioning sleeve is abutted against the outer end face of the positioning disc; the right-angle positioning table is provided with an armature, an armature datum plane is abutted against a horizontal datum plane, a vertical surface of the armature is abutted against a vertical datum plane, the semicircular clamping block is embedded in the annular positioning sleeve and is positioned above the armature, the threaded hole is vertical to the horizontal datum plane and is positioned right above the semicircular clamping block, and the horizontal plane of the semicircular clamping block is abutted against the upper end face of the armature through a locking screw arranged in the threaded hole; after the turning of the armature shaft at one side of the armature is completed, loosening the locking screw, taking out the armature, horizontally rotating for 180 degrees, loading the armature on the right-angle positioning table again, enabling the processed armature shaft to be inserted into the counter bore, abutting the horizontal plane of the semicircular clamping block with the upper end face of the armature again through the locking screw, and turning the armature shaft at the other side of the armature.
The positioning shaft is in tight fit with the annular positioning sleeve, and the semicircular clamping block is in clearance fit with the annular positioning sleeve.
The armature is in clearance fit with the annular locating sleeve.
The diameter of the counter bore is larger than the diameter of the armature shaft, and the depth is larger than the length of the armature shaft.
Compared with the prior art, the invention has the following beneficial effects:
1. the invention has simple and practical structure, easy manufacture and small number of components, and utilizes the combination of the right-angle positioning table and the annular positioning sleeve to limit the rotational freedom degree of the armature X, Y, Z in three directions and the movement freedom degree of the armature X, Z in directions, thereby well ensuring the coaxiality and the symmetry of small shafts on two sides of the armature.
2. The invention realizes quick installation and accurate positioning, not only can meet the machining precision requirement of the armature small shaft, but also ensures the machining efficiency.
3. The invention is suitable for turning the connecting shaft armatures with different shapes such as rectangular armatures, diamond armatures, Z-shaped armatures and the like, has extremely strong universality, can be directly applied to the existing common lathe, and reduces the production cost.
Drawings
FIG. 1 is a cross-sectional view of the structure of the present invention;
FIG. 2 is a schematic view of a rotary positioning seat according to the present invention;
FIG. 3 is a perspective view of the present invention;
fig. 4 is a front view of an armature of the present invention;
fig. 5 is a top view of an armature of the present invention.
Detailed Description
The invention will now be described in detail with reference to figures 1-5 and the detailed description.
An armature shaft turning tool comprises a rotary positioning seat 1, an annular positioning sleeve 2 and a semicircular clamping block 3; the rotary positioning seat 1 consists of a positioning disc 1-1, clamping shafts 1-2 and positioning shafts 1-3, wherein the clamping shafts 1-2 and the positioning shafts 1-3 are positioned on two sides of the positioning disc 1-1 and are positioned at the same rotary center; the outer end of the positioning shaft 1-3 is provided with a right-angle positioning table formed by a horizontal reference surface 1-5 and a vertical reference surface 1-6 which are perpendicular to each other, the height h of the horizontal reference surface 1-5 lower than the rotation center is equal to the distance between the center of the armature shaft 4-2 and the armature reference surface 4-1, and the vertical reference surface 1-6 is provided with a counter bore 1-4 coaxial with the rotation center; the positioning shaft 1-3 is sleeved with an annular positioning sleeve 2, the annular positioning sleeve 2 is radially provided with a threaded hole 2-1, the inner diameter of the annular positioning sleeve 2 is matched with the maximum rotation dimension D of the armature 4, and the inner end surface of the annular positioning sleeve 2 is abutted against the outer end surface of the positioning disc 1-1; the right-angle positioning table is provided with an armature 4, an armature datum plane 4-1 is abutted against a horizontal datum plane 1-5, a vertical surface of the armature 4 is abutted against a vertical datum plane 1-6, the semicircular clamping block 3 is embedded in the annular positioning sleeve 2 and is positioned above the armature 4, the threaded hole 2-1 is vertical to the horizontal datum plane 1-5 and is positioned right above the semicircular clamping block 3, and the horizontal surface of the semicircular clamping block 3 is abutted against the upper end surface of the armature 4 through a locking screw 5 arranged in the threaded hole 1-4; after the turning of the armature shaft 4-2 on one side of the armature 4 is completed, the locking screw 5 is loosened, the armature 4 is taken out, horizontally rotated by 180 degrees, and then is installed on the right-angle positioning table again, the processed armature shaft 4-2 is inserted into the counter bore 1-4, the horizontal plane of the semicircular clamping block 3 is abutted against the upper end face of the armature 4 again through the locking screw 5, and the armature shaft 4-2 on the other side of the armature 4 is turned.
The positioning shaft 1-3 is in tight fit with the annular positioning sleeve 2, and the semicircular clamping block 3 is in clearance fit with the annular positioning sleeve 2. The armature 4 is in clearance fit with the annular positioning sleeve 2. The diameter of the counter bore 1-4 is larger than that of the armature shaft 4-2, and the depth is larger than the length of the armature shaft 4-2.
When the invention is used, the clamping shaft 1-2 is arranged in a three-jaw chuck of an ordinary lathe, the inner end face of the positioning disc 1-1 is abutted against the outer end face of the three-jaw chuck, then the armature 4 to be processed is arranged on a right-angle positioning table and is abutted against the vertical face of the right-angle positioning table, the locking screw 5 is rotated to downwards apply pressure to the semicircular clamping block 3 to compress the armature 4, the armature shaft 4-2 on one side of the armature of the lathe is started to be turned, then the locking screw 5 is loosened, the armature 4 is taken out, turned around and put into a tool to be compressed, and the armature shaft on the other side is turned.
The above embodiments are only preferred embodiments of the present invention and are not intended to limit the scope of the present invention, so that all equivalent modifications made by the appended claims shall be included in the scope of the present invention.

Claims (4)

1. An armature axle turning frock, its characterized in that: the tool comprises a rotary positioning seat (1), an annular positioning sleeve (2) and a semicircular clamping block (3); the rotary positioning seat (1) is composed of a positioning disc (1-1), and clamping shafts (1-2) and positioning shafts (1-3) which are positioned on two sides of the positioning disc (1-1) and positioned at the same rotary center; the outer end of the positioning shaft (1-3) is provided with a right-angle positioning table formed by a horizontal reference surface (1-5) and a vertical reference surface (1-6) which are perpendicular to each other, the height h of the horizontal reference surface (1-5) lower than the rotation center is equal to the distance between the center of the armature shaft (4-2) and the armature reference surface (4-1), and the vertical reference surface (1-6) is provided with a counter bore (1-4) coaxial with the rotation center; the positioning shaft (1-3) is sleeved with an annular positioning sleeve (2), the annular positioning sleeve (2) is radially provided with a threaded hole (2-1), the inner diameter of the annular positioning sleeve (2) is matched with the maximum rotation dimension D of the armature (4), and the inner end surface of the annular positioning sleeve (2) is abutted against the outer end surface of the positioning disc (1-1); the right-angle positioning table is provided with an armature (4), an armature datum plane (4-1) is abutted against a horizontal datum plane (1-5), a vertical surface of the armature (4) is abutted against a vertical datum plane (1-6), the semicircular clamping block (3) is embedded in the annular positioning sleeve (2) and is positioned above the armature (4), the threaded hole (2-1) is perpendicular to the horizontal datum plane (1-5) and is positioned right above the semicircular clamping block (3), and the horizontal surface of the semicircular clamping block (3) is abutted against the upper end surface of the armature (4) through a locking screw (5) arranged in the threaded hole (2-1); after turning of an armature shaft (4-2) on one side of the armature (4) is completed, the locking screw (5) is loosened, the armature (4) is taken out, horizontally rotated for 180 degrees, then is installed on the right-angle positioning table again, the processed armature shaft (4-2) is inserted into the counter bore (1-4), the horizontal plane of the semicircular clamping block (3) is abutted against the upper end face of the armature (4) through the locking screw (5) again, and the armature shaft (4-2) on the other side of the armature (4) is turned.
2. The armature shaft turning tool of claim 1, wherein: the positioning shaft (1-3) is in tight fit with the annular positioning sleeve (2), and the semicircular clamping block (3) is in clearance fit with the annular positioning sleeve (2).
3. An armature shaft turning tool according to claim 1 or 2, characterized in that: the armature (4) is in clearance fit with the annular positioning sleeve (2).
4. An armature shaft turning tooling as set forth in claim 3, wherein: the diameter of the counter bore (1-4) is larger than that of the armature shaft (4-2), and the depth is larger than the length of the armature shaft (4-2).
CN201811172193.3A 2018-10-09 2018-10-09 Armature shaft turning tool Active CN109192611B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201811172193.3A CN109192611B (en) 2018-10-09 2018-10-09 Armature shaft turning tool

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201811172193.3A CN109192611B (en) 2018-10-09 2018-10-09 Armature shaft turning tool

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Publication Number Publication Date
CN109192611A CN109192611A (en) 2019-01-11
CN109192611B true CN109192611B (en) 2023-08-18

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Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102262037B1 (en) * 2019-12-27 2021-06-08 한국야금 주식회사 Cutting insert and Tool mounted withthere

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4513217A (en) * 1982-10-30 1985-04-23 Mitsubishi Denki Kabushiki Kaisha Rotary armature with cooling of commutator
US5152202A (en) * 1991-07-03 1992-10-06 The Ingersoll Milling Machine Company Turning machine with pivoted armature
US6407654B1 (en) * 1999-04-27 2002-06-18 Nec Corporation Electromagnetic relay, apparatus and method for making it
WO2012168077A1 (en) * 2011-06-08 2012-12-13 Robert Bosch Gmbh Armature for a magnetic valve and method for producing an armature
CN105290782A (en) * 2015-11-20 2016-02-03 上海衡拓液压控制技术有限公司 Servo valve assembly limiting and press-fitting process equipment and method
CN105291045A (en) * 2015-11-19 2016-02-03 上海衡拓液压控制技术有限公司 Limiting and press-fit process device and method for thin-walled tube assembly
DE102015118748A1 (en) * 2015-11-02 2017-05-04 Bavaria Fluid Systems Gmbh Axial solenoid valve and armature for an axial solenoid valve
CN208819803U (en) * 2018-10-09 2019-05-03 陕西群力电工有限责任公司 A kind of armature shaft turning tool

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4513217A (en) * 1982-10-30 1985-04-23 Mitsubishi Denki Kabushiki Kaisha Rotary armature with cooling of commutator
US5152202A (en) * 1991-07-03 1992-10-06 The Ingersoll Milling Machine Company Turning machine with pivoted armature
US6407654B1 (en) * 1999-04-27 2002-06-18 Nec Corporation Electromagnetic relay, apparatus and method for making it
WO2012168077A1 (en) * 2011-06-08 2012-12-13 Robert Bosch Gmbh Armature for a magnetic valve and method for producing an armature
DE102015118748A1 (en) * 2015-11-02 2017-05-04 Bavaria Fluid Systems Gmbh Axial solenoid valve and armature for an axial solenoid valve
CN105291045A (en) * 2015-11-19 2016-02-03 上海衡拓液压控制技术有限公司 Limiting and press-fit process device and method for thin-walled tube assembly
CN105290782A (en) * 2015-11-20 2016-02-03 上海衡拓液压控制技术有限公司 Servo valve assembly limiting and press-fitting process equipment and method
CN208819803U (en) * 2018-10-09 2019-05-03 陕西群力电工有限责任公司 A kind of armature shaft turning tool

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