CN102091806A - Special clamp for motor shell macropore series for fine boring rail train - Google Patents
Special clamp for motor shell macropore series for fine boring rail train Download PDFInfo
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- CN102091806A CN102091806A CN2011100722292A CN201110072229A CN102091806A CN 102091806 A CN102091806 A CN 102091806A CN 2011100722292 A CN2011100722292 A CN 2011100722292A CN 201110072229 A CN201110072229 A CN 201110072229A CN 102091806 A CN102091806 A CN 102091806A
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Abstract
The invention discloses a special clamp for a motor shell macropore series for a fine boring rail train. The special clamp comprises a base, a supporting post, a positioning clamping plate and a tightening bolt; the upper end face of the positioning clamping plate is provided with a positioning seam allowance, a positioning plane and a tightening fixing hole; the positioning seam allowance is matched with a phi 465mm hole on a workpiece end face A; the tightening fixing hole corresponds to a mounting screw hole on a workpiece to be processed; the positioning clamping plate is fixed on the base through the supporting post; and the workpiece is fixed on the upper end face of the positioning clamping plate through the tightening bolt. The end face A, the phi 465mm hole on the face and a lateral surface B are adopted for positioning, and the workpiece is clamped by the tightening bolt 4, so the workpiece is positioned accurately and installed stably; axial tightening and fixing are performed by using a direct screwing mode of the tightening bolt and the existing screw hole on the workpiece, and the magnitude of the tightening force does not generate stress deformation in the radial direction of the processed pore series so as to ensure the dimensional precision and the form and position precision of the processed pore series.
Description
Technical field:
The present invention relates to a kind of casing boring jig, relate in particular to the special fixture of a kind of right boring track train with motor casing macropore system.
Background technology:
The structure of the motor casing that the high-speed track train is used such as Fig. 1, shown in Figure 2, this part volume is bigger, interstitial hole is the coaxial aperture system of eight sizes, the coaxial aperture system from left to right diameter in each hole is respectively ￠ 650mm, ￠ 531mm, ￠ 517.5mm, ￠ 517mm, ￠ 401.98mm, ￠ 421.06mm, ￠ 465mm and ￠ 650mm, wherein, diameter is ￠ 531mm, ￠ 517.5mm, the requirement on machining accuracy in the hole of ￠ 517mm and ￠ 401.98mm is the highest, the axiality requirement of existing strictness between four, opposing end surface A, end face D has the perpendicularity requirement, the surface of endoporus also has the total run-out requirement, wherein, diameter is that the hole tolerance in ￠ 531mm hole is 0～0.034mm, the perpendicularity form and position tolerance of opposing end surface D is 0.02mm, the diameter tolerance in ￠ 517mm hole is 0.01～0.044mm, the squareness tolerance of opposing end surface A is 0.03mm, is 0.05mm with respect to the total run-out tolerance of end face A, and the axiality tolerance in three holes is ￠ 0.04mm.This group coaxial aperture system all belongs to the wall thin structure, the hole is that dimensional accuracy and accuracy of form and position requirement are all very high, at present, this high-precision workpiece is all processed by numerical control machining center, processing technology is: process ￠ 465mm hole and ￠ 650mm plane step on the end face A earlier, be datum level with the ￠ 650mm plane on the end face A then, with ￠ 650mm hole as circumferential location benchmark, radially adapted side claw along hole system clamps, because the ￠ 650mm hole end surface of end face A is non-whole plane, the centre is the macropore of a ￠ 465mm, in clamping process, workpiece is installed, location and clamping are not steady, clamp the back workpiece and easily produce distortion, the processing back is owing to the stress balance produces the response distortion too much, and the dimensional accuracy of hole system and the accuracy of form and position are difficult to guarantee.To right boring processing of this group coaxial aperture system is difficult point in the whole work-piece machining.Manufacturing enterprise presses for the special fixture of a kind of track train with motor casing right boring macropore system, require steady positioning, the registration height of location, the deflection of workpiece is little behind the clamping, the machining accuracy that processed hole is is not subjected to the influence of clamping force size, should guarantee dimensional accuracy, guarantee Geometrical Tolerance Principle again.
Summary of the invention:
The purpose of this invention is to provide a kind of right boring track train is special fixture with the motor casing macropore, and it can satisfy track train is the right boring requirement with the motor casing macropore.
The technical scheme that the present invention takes is as follows:
A kind of right boring track train is a special fixture with the motor casing macropore, it is characterized in that: comprise base, support column, positioning and clamping plate and tightening bolt, on the upper surface of positioning and clamping plate, be provided with positioning spigot, plane of orientation and tighten up fixing hole, the external diameter of positioning spigot is ￠ 465mm, tolerance is-0.02～-0.05mm, height 5mm～8mm, tighten up fixing hole to offer the position corresponding with the installation screw on the workpiece to be processed, the positioning and clamping plate is fixed on the base by support column, base is fixed on the workbench of lathe, the end face A of workpiece is shelved on the plane of orientation, and make the ￠ 465mm hole on the end face A cooperate the location with the external diameter of positioning spigot, make workpiece and positioning and clamping plate Primary Location, tightening bolt passes from the lower end of positioning and clamping plate and tightens up the screwed hole corresponding on the fixing hole screw-in workpiece, by tightening bolt workpiece is securely fixed on the upper surface of positioning and clamping plate.
Further, positioning spigot on the described positioning and clamping plate is circular, its external diameter is 465mm, diameter of bore is 402mm～405mm, on the same circumference of positioning and clamping plate upper surface, offer eight counter sinks equably, the specification of counter sink is ￠ 17mm, counterbore ￠ 25mm, dark 18mm, the diameter of counter sink circumference of living in is less than tightening up the residing circle diameter of fixing hole, counter sink with tighten up fixing hole and circumferentially staggering base mutually, be integral by connecting bolt is fixedly connected between support column and the positioning and clamping plate, the support column height is 80mm～100mm, and the thickness of positioning and clamping plate is 35mm～50mm.
Owing to adopt end face A, ￠ 465mm hole that has processed on this face and side B are the location, workpiece is shelved on the positioning and clamping plate by end face A, cooperate with ￠ 465mm hole on the workpiece end face A by positioning spigot, realize the Primary Location of workpiece, circumferentially finely tuning workpiece, side B is overlapped with the length feed direction of lathe, even side B is along beating less than 0.03mm on the lathe length feed direction, by tightening bolt workpiece is clamped, positioning spigot on the positioning and clamping plate can be eliminated the one-movement-freedom-degree of two directions of workpiece in plane of orientation like this, rely on fine setting to find the tram of workpiece accurately, limit the rotational freedom of workpiece in plane of orientation, plane of orientation can have been eliminated other three degree of freedom, tightening bolt passes and tightens up fixing hole workpiece is fixed on the positioning and clamping plate, like this, workpiece to be processed is accurate positioning not only, install steadily, utilizing existing screw on tightening bolt and the workpiece directly to screw mode axially tightens up fixing, the tightening force size can be to the radially generation stress deformation of processed hole system, thereby guaranteed the dimensional accuracy and the accuracy of form and position that processed hole is, eliminated the deficiency that existing anchor clamps exist.
Description of drawings:
Fig. 1, Fig. 2 are the process dimension schematic diagram of workpiece to be processed;
Fig. 2 is the left view of Fig. 1;
Fig. 3, Fig. 4 are structural representation of the present invention;
Fig. 4 is the vertical view of Fig. 3;
Fig. 5 is the clamping schematic diagram of workpiece in the present invention;
Among the figure, the 1-base; The 2-support column; 3-positioning and clamping plate; The 4-tightening bolt; The 5-workpiece; The 6-connecting bolt; The 31-positioning spigot; The 32-plane of orientation; 33-tightens up fixing hole; The 34-counter sink.
The specific embodiment:
A kind of right boring track train is a special fixture with the motor casing macropore, and it comprises base 1, support column 2, positioning and clamping plate 3 and tightening bolt 4, as shown in Figure 3; On the upper surface of positioning and clamping plate 3, be provided with positioning spigot 31, the external diameter of positioning spigot 31 is that diameter is ￠ 465mm, tolerance is-0.02～-0.05mm, diameter of bore is 405mm, the height 5mm of positioning spigot 31 offers eight counter sinks equably on the same circumference of ￠ 510mm on positioning and clamping plate 3 upper surfaces, the specification of counter sink is ￠ 17mm, counterbore ￠ 25mm, dark 18mm; What be provided with eight diameter 12.5mm on the upper surface of positioning and clamping plate 3 tightens up fixing hole 33, and the screwhole position of eight M12 on the setting of tightening up fixing hole 33 and the workpiece 5 is corresponding, as shown in Figure 3, Figure 4; By connecting bolt 6 fixedly connected being integral, support column 2 highly is 100mm between base 1, support column 2 and the positioning and clamping plate 3, and the thickness of positioning and clamping plate 3 is 40mm, as shown in Figure 5.
Specific operation process is as follows:
During use, earlier the datum level A of workpiece 5 is placed on the positioning and clamping plate 3, make that ￠ 465mm in hole cooperates with positioning spigot 31 on the workpiece 5, ￠ 650mm plane is shelved on the plane of orientation 32, realize the workpiece Primary Location, finely tune workpiece 5 then, side B on the workpiece 5 is overlapped with the length feed direction of machining center, even side B beating in a longitudinal direction less than 0.03mm, again with tightening bolt 4 tightening up the fixing hole 33 from positioning and clamping plate 3 screw in workpiece 5 on clamp in the corresponding screwed hole, like this, positioning spigot 31 on the positioning and clamping plate 3 has just been eliminated two the frees degree that direction move of workpiece in plane of orientation 32, rely on fine setting to determine the accurate position of workpiece 5, thereby eliminated the rotational freedom of workpiece 5 in plane of orientation 32, plane of orientation 32 has been eliminated other three degree of freedom.The anchor clamps of this structure, not only accurate positioning of workpiece to be processed 5, install steadily, utilizing tightening bolt 4 and existing screw on the workpiece 5 directly to screw mode axially tightens up fixing, the application of force direction of tightening force is parallel with the axis that processed hole is, the size of tightening force can be not to cause the radial force distortion to processed hole, thereby has guaranteed the dimensional accuracy and the accuracy of form and position that processed hole is, has eliminated the deficiency that existing anchor clamps exist.
Claims (2)
1. a right boring track train is a special fixture with the motor casing macropore, it is characterized in that: comprise base (1), support column (2), positioning and clamping plate (3) and tightening bolt (4), on the upper surface of positioning and clamping plate (3), be provided with positioning spigot (31), plane of orientation (32) and tighten up fixing hole (33), the external diameter of positioning spigot (31) is ￠ 465mm, tolerance is-0.02～-0.05mm, height 5mm～8mm, tighten up fixing hole (33) to offer the position corresponding with the installation screw on the workpiece to be processed (5), positioning and clamping plate (3) is fixed on the base (1) by support column (2), base (1) is fixed on the workbench of lathe, the end face A of workpiece (5) is shelved on the plane of orientation (32), and make the ￠ 465mm hole on the end face A cooperate the location with the external diameter of positioning spigot (31), make workpiece (5) and positioning and clamping plate (3) Primary Location, tightening bolt (4) passes from the lower end of positioning and clamping plate (3) and tightens up the upward corresponding screwed hole of fixing hole (33) screw-in workpiece (5), by tightening bolt (4) workpiece (5) is securely fixed on the upper surface of positioning and clamping plate (3).
2. be special fixture according to the described right boring track train of claim 1 with the motor casing macropore, it is characterized in that: the positioning spigot (31) on the described positioning and clamping plate (3) is for circular, its external diameter is 465mm, diameter of bore is 402mm～405mm, on the same circumference of positioning and clamping plate (3) upper surface, offer eight counter sinks equably, the specification of counter sink is ￠ 17mm, counterbore ￠ 25mm, dark 18mm, the diameter of counter sink circumference of living in is less than tightening up the residing circle diameter of fixing hole (33), counter sink with tighten up fixing hole and circumferentially staggering mutually, base (1), between support column (2) and the positioning and clamping plate (3) by fixedly connected being integral of connecting bolt (6), support column (2) highly is 80mm～100mm, and the thickness of positioning and clamping plate (3) is 35mm～50mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100722292A CN102091806A (en) | 2011-03-24 | 2011-03-24 | Special clamp for motor shell macropore series for fine boring rail train |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100722292A CN102091806A (en) | 2011-03-24 | 2011-03-24 | Special clamp for motor shell macropore series for fine boring rail train |
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| Publication Number | Publication Date |
|---|---|
| CN102091806A true CN102091806A (en) | 2011-06-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011100722292A Pending CN102091806A (en) | 2011-03-24 | 2011-03-24 | Special clamp for motor shell macropore series for fine boring rail train |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102717282A (en) * | 2012-06-26 | 2012-10-10 | 江苏汤臣汽车零部件有限公司 | Bearing hole turning and top surface milling tool for speed reducer shell |
| CN103009080A (en) * | 2012-11-30 | 2013-04-03 | 南通弘峰机电有限公司 | Boring tool |
| CN103252664A (en) * | 2013-04-19 | 2013-08-21 | 苏州弘远机械制造有限公司 | Machining jig and machining technology for screw rod bearing block set |
| CN103372774A (en) * | 2012-04-14 | 2013-10-30 | 靖江先锋半导体科技有限公司 | Counter-pull type working platen device for milling machine |
| CN103551808A (en) * | 2013-10-28 | 2014-02-05 | 苏州工业园区得意机电设备有限公司 | Method for machining rotor parts by pentahedral numerical control gantry machine tool |
| CN104384984A (en) * | 2014-10-20 | 2015-03-04 | 北京遥测技术研究所 | Positioning installing and clamping tool and method |
| CN106584027A (en) * | 2016-11-29 | 2017-04-26 | 沈阳黎明航空发动机(集团)有限责任公司 | Process method of improving wall thickness uniformity of closed thin-walled rotary part |
| CN107398758A (en) * | 2017-09-07 | 2017-11-28 | 歌尔股份有限公司 | Positioning and clamping frock |
| CN109877612A (en) * | 2019-01-23 | 2019-06-14 | 武汉船用机械有限责任公司 | A kind of processing tool of thin wall special-shaped part |
| CN110315313A (en) * | 2018-03-30 | 2019-10-11 | 神讯电脑(昆山)有限公司 | Position assembled fixture |
| GB2581007A (en) * | 2019-01-29 | 2020-08-05 | Kaydon Ring & Seal Inc | Fixture for machining parts and method of using same |
-
2011
- 2011-03-24 CN CN2011100722292A patent/CN102091806A/en active Pending
Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103372774A (en) * | 2012-04-14 | 2013-10-30 | 靖江先锋半导体科技有限公司 | Counter-pull type working platen device for milling machine |
| CN102717282A (en) * | 2012-06-26 | 2012-10-10 | 江苏汤臣汽车零部件有限公司 | Bearing hole turning and top surface milling tool for speed reducer shell |
| CN103009080A (en) * | 2012-11-30 | 2013-04-03 | 南通弘峰机电有限公司 | Boring tool |
| CN103252664A (en) * | 2013-04-19 | 2013-08-21 | 苏州弘远机械制造有限公司 | Machining jig and machining technology for screw rod bearing block set |
| CN103551808A (en) * | 2013-10-28 | 2014-02-05 | 苏州工业园区得意机电设备有限公司 | Method for machining rotor parts by pentahedral numerical control gantry machine tool |
| CN103551808B (en) * | 2013-10-28 | 2016-03-30 | 苏州工业园区得意机电设备有限公司 | The method of a kind of gantry pentahedron Digit Control Machine Tool processing rotor class part |
| CN104384984A (en) * | 2014-10-20 | 2015-03-04 | 北京遥测技术研究所 | Positioning installing and clamping tool and method |
| CN104384984B (en) * | 2014-10-20 | 2017-01-18 | 北京遥测技术研究所 | Positioning installing and clamping tool and method |
| CN106584027A (en) * | 2016-11-29 | 2017-04-26 | 沈阳黎明航空发动机(集团)有限责任公司 | Process method of improving wall thickness uniformity of closed thin-walled rotary part |
| CN107398758A (en) * | 2017-09-07 | 2017-11-28 | 歌尔股份有限公司 | Positioning and clamping frock |
| CN107398758B (en) * | 2017-09-07 | 2023-10-31 | 歌尔科技有限公司 | Positioning and clamping tool |
| CN110315313A (en) * | 2018-03-30 | 2019-10-11 | 神讯电脑(昆山)有限公司 | Position assembled fixture |
| CN110315313B (en) * | 2018-03-30 | 2022-03-15 | 神讯电脑(昆山)有限公司 | Electronic product assembling method |
| CN109877612A (en) * | 2019-01-23 | 2019-06-14 | 武汉船用机械有限责任公司 | A kind of processing tool of thin wall special-shaped part |
| GB2581007A (en) * | 2019-01-29 | 2020-08-05 | Kaydon Ring & Seal Inc | Fixture for machining parts and method of using same |
| US11117231B2 (en) | 2019-01-29 | 2021-09-14 | Kaydon Ring & Seal, Inc. | Fixture for machining parts and method of using same |
| GB2581007B (en) * | 2019-01-29 | 2022-12-14 | Kaydon Ring & Seal Inc | Fixture for machining parts and method of using same |
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Application publication date: 20110615 |