CN201300341Y - 180-degrees symmetrical key groove milling frock of shaft part - Google Patents

180-degrees symmetrical key groove milling frock of shaft part Download PDF

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Publication number
CN201300341Y
CN201300341Y CNU2008202213248U CN200820221324U CN201300341Y CN 201300341 Y CN201300341 Y CN 201300341Y CN U2008202213248 U CNU2008202213248 U CN U2008202213248U CN 200820221324 U CN200820221324 U CN 200820221324U CN 201300341 Y CN201300341 Y CN 201300341Y
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CN
China
Prior art keywords
centering
alignment
piece
alignment block
shaft
Prior art date
Application number
CNU2008202213248U
Other languages
Chinese (zh)
Inventor
陈小伟
张金全
朱朝辉
王兮羿
赵东海
王立涛
Original Assignee
南阳二机石油装备(集团)有限公司
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Application filed by 南阳二机石油装备(集团)有限公司 filed Critical 南阳二机石油装备(集团)有限公司
Priority to CNU2008202213248U priority Critical patent/CN201300341Y/en
Application granted granted Critical
Publication of CN201300341Y publication Critical patent/CN201300341Y/en

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Abstract

The utility model relates to a 180-degrees symmetrical key groove milling frock of shaft part, which comprises an alignment body and an alignment instrument, wherein the alignment body comprises a left alignment block, a right alignment block and a connecting bolt, wherein the left alignment block and the right alignment block are provided with V-shaped openings for clamping shaft parts, the connecting bolt is connected with the left alignment block and the right alignment block to clamp the shaft parts, the opposite sides of the V-shaped openings on the left alignment block and the right alignment block are alignment surfaces, and the alignment surfaces require the roughness to be Ra 0.8-1.6 and the center depth of parallelism to be 0.005-0.01mm. The alignment instrument comprises a supporting stand, a dial indicator or a micrometer gage, wherein the supporting stand comprises a bottom board and a standing plate, wherein the bottom surface of the bottom board requires the roughness to be Ra 0.8-1.6, and the outer lateral surface of the standing plate and the bottom surface of the bottom board require the verticality to be 0.05-0.01 mm, two dial indicators or micrometer gages are provided, which are respectively up and down mounted on the standing plate of the alignment frame. The 180-degrees symmetrical key groove milling frock of shaft part has the advantages of low processing cost and excellent economic benefits when satisfying the symmetrical degree technology requirement of the position tolerance of the symmetrical key grooves.

Description

180 ° of symmetrical keyway milling frocks of axial workpiece
Technical field
The utility model relates to the machine tooling servicing unit, specifically is a kind of milling process device of using 180 ° of symmetrical keyways on the plain-milling machine working shaft-like part.
Background technology
Axial workpiece particularly on the larger axis class part 180 ° of symmetrical keyways add man-hour, between two keyways very high symmetry requirement is arranged.At present, 180 ° of symmetrical keyways are to utilize the dividing head Rotate 180 ° to process on machine tool on the small-sized axial workpiece, and 180 ° of symmetrical keyways adopt specialized nc machine tool processing or use large-scale dividing head Rotate 180 and ° process on the larger axis class part, specialized nc machine tool costs an arm and a leg, the production model of suitable part processing in enormous quantities, but for the production model of single-piece or parts in small batch processing, production cost height, deficiency in economic performance.Large-scale dividing head cost height, rareness, and in using because to bear the gravity of macrotype axes series parts bigger, be prone to and damage and its precision is reduced, for single-piece and parts in small batch processing, both uneconomically also be difficult for guaranteeing the part processing quality.
Summary of the invention
The purpose of this utility model provides 180 ° of symmetrical keyway milling frocks of a kind of axial workpiece, use the utility model at the 180 ° of symmetrical keyways on the larger axis class part particularly of working shaft-like part on the plain-milling machine, when satisfying the specification requirement of symmetrical keyway position of related features symmetry, it is low to have processing cost, good in economic efficiency advantage.
For achieving the above object, 180 ° of symmetrical keyway milling frocks of a kind of axial workpiece, comprise centering body, alignment instrument, described centering body comprises left centering piece, right centering piece, connecting bolt, left side centering piece, right centering piece have the V-type opening of clamping axial workpiece, connecting bolt connects left centering piece, right centering piece clamps axial workpiece, the back side of V-type opening is the centering face on left side centering piece or the right centering piece, and it is that Ra0.8~1.6 and the center depth of parallelism are 0.005~0.01mm that described centering face requires roughness; Described alignment instrument comprises support, dial gauge or amesdial, described support is made of base plate and riser, it is Ra0.8~1.6 that the bottom surface of described base plate requires roughness, it is 0.005~0.01mm that the lateral surface of described riser and the bottom surface of base plate require perpendicularity, dial gauge or amesdial have two, are installed in one on the other on the riser of centering frame.
Operation principle: adopt conventional clamping method, by the V-type parallels, pressing plate, bolt with processed axle clamping on the plain-milling machine workbench, before clamping is fastening, the centering body is installed on the appropriate location of processed axle, the alignment instrument support is placed on centering body centering face one side, make the centering face of dial gauge or amesdial joint contact centering body, fine setting centering body rotates, when up and down two dial gauges or amesdial reading are consistent, centering body centering face and milling machine table face perpendicularity have just been guaranteed, screw bolt then and make the V-type parallels, pressing plate clamps processed axle, with the fastening clamping of processed axle on milling machine table, milling one side switch groove.Afterwards, unclamp bolt, axle is rotated about 180 °, at this moment the centering face forwards the milling machine table opposite side to, and the centering face is contacted with dial gauge or amesdial joint, and fine setting centering body rotates, make up and down two dial gauges or amesdial reading unanimity, guarantee centering body centering face and milling machine table face perpendicularity, to the fastening clamping of processed axle, milling and last keyway are another keyway of 180 ° of symmetries once more.Above-mentioned to processed axle behind twice clamping on the milling machine table, by guaranteeing centering body centering face and the requirement of milling machine table face perpendicularity respectively, thereby can guarantee the requirement of the symmetry of last 180 ° of symmetrical keyways.
Use the utility model, can be implemented in and carry out axial workpiece particularly accurate 180 ° of calibration of larger axis class part and clamping on the plain-milling machine, 180 ° of symmetrical keyways after the milling can satisfy the specification requirement of position of related features symmetry.The utility model is simple in structure, and is easy to use.With respect to prior art, it is low that application of the present utility model has processing cost, good in economic efficiency advantage.
Description of drawings
Fig. 1 is the utility model structural representation.
Fig. 2 is a C-C cutaway view among Fig. 1.
Fig. 3 is a B-B cutaway view among Fig. 1.
The specific embodiment
The utility model is described in further detail below in conjunction with accompanying drawing.
As Fig. 1, shown in Figure 3, need processing to be two keyways of 180 ° of symmetries on the axle 14, the symmetry that requires the relative shaft centre line of symmetrical keyway is 0.04mm.The symmetrical keyway that is 180 ° on the axle 14 is realized the calibration Milling Process by using the utility model at common horizontal milling machine.
As shown in Figure 1 and Figure 2, the utility model is made of centering body, alignment instrument, the centering body comprises left centering piece 1, right centering piece 2, connecting bolt 3,4, the V-type opening that left side centering piece 1, right centering piece 2 have clamp axis 14, connecting bolt 3,4 connects left centering piece 1, right centering piece 2 clamps axle 14, the back side of V-type opening is centering face 1a on the centering piece 1 of a left side, and centering face 1a is through grinding, and roughness is that the Ra0.8 and the center depth of parallelism are 0.007mm.Alignment instrument comprises support 5, dial gauge 6,7, and support 5 is made of base plate 5a and riser 5b, and dial gauge 6,7 is installed on the riser 5b of support 5 one on the other.During centering frame 5 processing and fabricatings, perpendicularity is 0.008mm between the bottom surface of the lateral surface of riser 5 and base plate 5a, and the bottom surface roughness of base plate 5a is Ra0.8.
During Milling Process, axle 14 is placed on two V-type parallels 8,11 on the common horizontal milling machine workbench 15, adopt conventional clamping method by V-type parallels 8,11, pressing plate 9,12, bolt 10,13 with axle 14 clampings on milling machine table 15.Fastening bolt 10, before 13, the centering body is installed in the appropriate position of axle, in this example, left side centering piece 1, right centering piece 2 is clamped in the left end of axle 14, by connecting bolt 3,4 connect left centering piece 1, right centering piece 2 clamps axle 14, support 5 is placed on centering body centering face 1a one side, make dial gauge 6, the centering face 1a of 7 joints contact centering body, finely tuning the centering body then rotates, make dial gauge 6,7 reading unanimities, thereby guarantee the perpendicularity of centering body centering face 1a and milling machine table 15 table tops, screw bolt 10 then, 13, make V-type parallels 8 and pressing plate 9 and V-type parallels 11 and pressing plate 12 clamp shafts 14 respectively, with axle 14 fastening clampings on milling machine table 15, milling one side switch groove.Afterwards, unclamp bolt 10,13, with about 180 ° of axle 14 rotations, at this moment centering face 1a forwards milling machine table 15 opposite sides to, and centering face 1a is contacted with dial gauge 6,7 joints, and fine setting centering body rotates the reading unanimity that makes dial gauge 6,7, screw bolt 10,13 then, on milling machine table 15, milling and last keyway are another keyway of 180 ° of symmetries with the fastening once more clamping of axle 14, can guarantee the requirement of the symmetry 0.04mm of 180 ° of symmetrical keyways on the axle 14 like this.

Claims (1)

1,180 ° of symmetrical keyway milling frocks of a kind of axial workpiece, it is characterized in that: comprise centering body, alignment instrument, described centering body comprises left centering piece, right centering piece, connecting bolt, left side centering piece, right centering piece have the V-type opening of clamping axial workpiece, connecting bolt connects left centering piece, right centering piece clamps axial workpiece, the back side of V-type opening is the centering face on left side centering piece or the right centering piece, and it is that the Ra 0.8~1.6 and the center depth of parallelism are 0.005~0.01mm that described centering face requires roughness; Described alignment instrument comprises support, dial gauge or amesdial, described support is made of base plate and riser, it is Ra0.8~1.6 that the bottom surface of described base plate requires roughness, it is 0.005~0.01mm that the lateral surface of described riser and the bottom surface of base plate require perpendicularity, dial gauge or amesdial have two, are installed in one on the other on the riser of centering frame.
CNU2008202213248U 2008-11-20 2008-11-20 180-degrees symmetrical key groove milling frock of shaft part CN201300341Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNU2008202213248U CN201300341Y (en) 2008-11-20 2008-11-20 180-degrees symmetrical key groove milling frock of shaft part

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNU2008202213248U CN201300341Y (en) 2008-11-20 2008-11-20 180-degrees symmetrical key groove milling frock of shaft part

Publications (1)

Publication Number Publication Date
CN201300341Y true CN201300341Y (en) 2009-09-02

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Family Applications (1)

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CNU2008202213248U CN201300341Y (en) 2008-11-20 2008-11-20 180-degrees symmetrical key groove milling frock of shaft part

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CN (1) CN201300341Y (en)

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102284734A (en) * 2011-07-04 2011-12-21 宝鸡石油机械有限责任公司 Method for processing key grooves of shaft
CN102489937A (en) * 2011-11-15 2012-06-13 中电电机股份有限公司 Machining process for symmetric key grooves of motor shaft extension and fixture for same
CN102489756A (en) * 2011-11-15 2012-06-13 中电电机股份有限公司 Processing and graduation method of synchronous motor magnetic yoke
CN102689165A (en) * 2012-06-21 2012-09-26 张家口中地装备探矿工程机械有限公司 Method and device for machining elongated opposite key grooves
CN102848265A (en) * 2012-10-09 2013-01-02 江苏润孚机械轧辊制造有限公司 Milling machine universal stand
CN103949712A (en) * 2014-04-25 2014-07-30 宝鸡石油机械有限责任公司 Processing method for ensuring form and position tolerance during slotting of key grooves in holes
CN104148986A (en) * 2014-08-19 2014-11-19 山西维达机械制造有限公司 Special indexing device for keyseat
CN104400471A (en) * 2014-09-30 2015-03-11 宝鸡石油机械有限责任公司 Clamp for milling clamp tooth box dovetail groove and machining method of clamp tooth box dovetail groove
CN104625188A (en) * 2014-12-17 2015-05-20 中国航空工业集团公司北京航空精密机械研究所 Method for processing high-symmetry-degree double-key groove of slender shaft component
CN104841992A (en) * 2015-05-22 2015-08-19 常州信息职业技术学院 Method for machining shaft-end flat head
CN108788921A (en) * 2018-06-22 2018-11-13 淮阴工学院 A kind of tool setting device of milling key groove
CN110682117A (en) * 2019-08-19 2020-01-14 武汉船用机械有限责任公司 Shaft machining tool and shaft machining method
WO2021088162A1 (en) * 2019-11-06 2021-05-14 浙江南元泵业有限公司 Clamping device for multifunctional key groove milling

Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102284734A (en) * 2011-07-04 2011-12-21 宝鸡石油机械有限责任公司 Method for processing key grooves of shaft
CN102284734B (en) * 2011-07-04 2013-02-06 宝鸡石油机械有限责任公司 Method for processing key grooves of shaft
CN102489937A (en) * 2011-11-15 2012-06-13 中电电机股份有限公司 Machining process for symmetric key grooves of motor shaft extension and fixture for same
CN102489756A (en) * 2011-11-15 2012-06-13 中电电机股份有限公司 Processing and graduation method of synchronous motor magnetic yoke
CN102689165A (en) * 2012-06-21 2012-09-26 张家口中地装备探矿工程机械有限公司 Method and device for machining elongated opposite key grooves
CN102848265A (en) * 2012-10-09 2013-01-02 江苏润孚机械轧辊制造有限公司 Milling machine universal stand
CN103949712B (en) * 2014-04-25 2016-04-13 宝鸡石油机械有限责任公司 The processing method of form and position tolerance is ensured in female keyway slotting process
CN103949712A (en) * 2014-04-25 2014-07-30 宝鸡石油机械有限责任公司 Processing method for ensuring form and position tolerance during slotting of key grooves in holes
CN104148986A (en) * 2014-08-19 2014-11-19 山西维达机械制造有限公司 Special indexing device for keyseat
CN104400471A (en) * 2014-09-30 2015-03-11 宝鸡石油机械有限责任公司 Clamp for milling clamp tooth box dovetail groove and machining method of clamp tooth box dovetail groove
CN104625188A (en) * 2014-12-17 2015-05-20 中国航空工业集团公司北京航空精密机械研究所 Method for processing high-symmetry-degree double-key groove of slender shaft component
CN104841992A (en) * 2015-05-22 2015-08-19 常州信息职业技术学院 Method for machining shaft-end flat head
CN108788921A (en) * 2018-06-22 2018-11-13 淮阴工学院 A kind of tool setting device of milling key groove
CN108788921B (en) * 2018-06-22 2019-07-30 淮阴工学院 A kind of tool setting device of milling key groove
CN110682117A (en) * 2019-08-19 2020-01-14 武汉船用机械有限责任公司 Shaft machining tool and shaft machining method
WO2021088162A1 (en) * 2019-11-06 2021-05-14 浙江南元泵业有限公司 Clamping device for multifunctional key groove milling

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Granted publication date: 20090902

Termination date: 20171120