CN103394866A - Processing technology for main reducer bearing cover of engineering vehicle and dual-hole drilling and reaming clamp of processing technology - Google Patents

Processing technology for main reducer bearing cover of engineering vehicle and dual-hole drilling and reaming clamp of processing technology Download PDF

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Publication number
CN103394866A
CN103394866A CN2013103052516A CN201310305251A CN103394866A CN 103394866 A CN103394866 A CN 103394866A CN 2013103052516 A CN2013103052516 A CN 2013103052516A CN 201310305251 A CN201310305251 A CN 201310305251A CN 103394866 A CN103394866 A CN 103394866A
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CN
China
Prior art keywords
fixture
base plate
diplopore
processing technology
platform
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
Application number
CN2013103052516A
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Chinese (zh)
Inventor
马玉坤
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TAIZHOU LIHUA MACNINERY CO Ltd
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TAIZHOU LIHUA MACNINERY CO Ltd
Priority date (The priority date 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 date listed.)
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Priority to CN2013103052516A priority Critical patent/CN103394866A/en
Publication of CN103394866A publication Critical patent/CN103394866A/en
Pending legal-status Critical Current

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Abstract

The invention discloses a processing technology for a main reducer bearing cover of an engineering vehicle and a dual-hole drilling and reaming clamp of the processing technology. The processing technology includes processes of top hole drilling, spot facing, dual-hole drilling and reaming and the like and is simple and reasonable, and processing efficiency and quality are improved.

Description

Engineering car owner subtracts the bearing cap processing technology and bores strand diplopore fixture
Technical field
The present invention relates to a kind of frock clamp, be specifically related to a kind of engineering car owner and subtract the bearing cap processing technology and bore strand diplopore fixture.
Background technology
Main reducing gear is to reduce rotating speed in automotive transmission, utilize Bevel Gear Transmission to change power direction and to increase the critical piece of moment of torsion.Wherein, main reducing gear is comprised of differential assembly, speed reducer assembly (master, driven gear), main reducing gear housing assy etc., and the main reducing gear housing assy is the installation basis of differential assembly and speed reducer assembly.Must guarantee in main reducing gear that driving and driven gear has good engagement situation, just can make their good work.The correct engagement of main reducing gear middle gear, except the crudy with gear, equipment adjustment and bearing are relevant, also have close relationship with rigidity and the machining accuracy of main reducing gear housing assy.For the needs that assemble, the main reducing gear housing assy usually by final drive casing and pair of bearings, is covered and related fittings forms.
As shown in Figure 1 and Figure 2, bearing cap 1 is generally cast member, then utilizes special fixture to process apical pore 10, two connecting holes 11 on foundry goods, and connecting hole is used for bearing cap is connected with final drive casing.Before processing, need the rational bearing cap processing technology of customization, improve working (machining) efficiency and quality.
Summary of the invention
The object of the invention is to provide a kind of engineering car owner and subtracts the bearing cap processing technology and bore strand diplopore fixture, and processing technology is reasonable, improves working (machining) efficiency and quality.
For achieving the above object, the technical solution used in the present invention is: a kind of engineering car owner subtracts the bearing cap processing technology, and described bearing cap is provided with apical pore and two connecting holes, and described processing technology comprises the steps:
(1) mill two-sided: utilize milling machine and the upper and lower end face of milling two-sided fixture milling workpiece;
(2) bore apical pore: utilize drilling machine and bore the apical pore fixture and bore, attack apical pore at the top of workpiece, guaranteeing the eccentric throw of apical pore;
(3) spot facing: utilize the flat fixture of milling machine and ream that the upper surface ream of connecting hole on workpiece is flat, guarantee height, the centre-to-centre spacing of two connecting holes and the back gauge of connecting hole of upper surface;
(4) bore the strand diplopore: utilize drilling machine and bore that strand diplopore fixture adopts subdrilling, rear ream on workpiece, the mode of boring is again bored and twisted out two connecting holes, guarantee the centre-to-centre spacing of two connecting holes and the back gauge of connecting hole.
The present invention also provides the fixture of the brill strand diplopore in a kind of above-mentioned processing technology, the riser that comprises base plate, top board, the described base plate of connection and top board, parallel on described base plate, two levels that are arranged at intervals with are propped up platform, and are parallel on described riser, be arranged at intervals with two vertical platform;
An end away from riser of described base plate is provided with the extension that protrudes with respect to described top board, and this extension is provided with screw rod, is arranged with pressing plate on this screw rod, and described pressing plate top is provided with the nut that is spirally connected with described screw rod;
Described top board is provided with two drill bit via holes, offers the groove that up and down reciprocatingly slides for described pressing plate on the described top board between two described drill bit via holes.
In technique scheme, the side of described top board is fixed with short slab, and this short slab is provided with flat head bolt, and the tail end of described flat head bolt extend out to the inboard of described riser from described short slab.
In technique scheme, a side relative with described riser of described screw rod is provided with positioning screw, the lower end of this positioning screw is supported on described base plate, its upper end is bolted with two setscrew nuts, described pressing plate is sheathed on the positioning screw between two described setscrew nuts, be used for the position of positioning pressuring plate, do not need all to readjust at every turn.
In technique scheme, the bottom supporting of bearing cap is positioned two described levels and props up on platform, and lateral support is positioned on two described vertical platforms, and two connecting holes to be processed of described bearing cap are coaxial respectively at two described drill bit via holes.
Further technical scheme, each described level is propped up platform and is fixedly connected with described base plate by two sunk screws.Each described vertical platform is fixedly connected with described riser by two sunk screws.
In technique scheme, described base plate utilizes 4 screws to be fixedly connected with platen.
In technique scheme, two described levels prop up platform and two described vertical platforms are symmetrical with respect to same plane, and two described levels are propped up the spacing of the spacing of platform less than two vertical platforms.
Further technical scheme, described base plate is rectangular configuration, and the center is provided with the centre bore that inserts for described screw rod, and the lower end of described screw rod utilizes lower nut to be fixedly connected with described base plate.
Utilize above-mentioned fixture to bore two φ 22 of strand bearing cap, dark 50.8 connecting hole, comprise the steps:
(1) bearing cap is placed on fixture, the bottom supporting of bearing cap is positioned two described levels and props up on platform, lateral support is positioned on two described vertical platforms, and, by the flat head bolt on the rotation short slab, guarantees that two connecting holes to be processed of bearing cap are coaxial respectively at two described drill bit via holes;
(2) adjust up and down the position of pressing plate, to it, be pressed in the top of bearing cap, then screw the nut of pressing plate top;
(3) at first utilize the drilling machine drill bit to get out the through hole of two φ 21.9;
(4) then utilize the ream plain cutter to mill out from top to down bolt through-hole bigger diameter end dark 41.24, φ 23.3;
(5) then utilize again reamer to twist out the bolt through-hole miner diameter end of φ 22, guarantee two hole centre-to-centre spacing and the hole back gauge to side;
(6) last at the upper end of connecting hole chamfer, the brill of completing the bearing cap diplopore twists operation.
Because technique scheme is used, the advantage that the present invention compared with prior art has is:
Master of the present invention to subtract the processing technology of bearing cap simple, rationally, improve working (machining) efficiency and quality.
Description of drawings
Fig. 1 is the front view of background technology middle (center) bearing lid of the present invention;
Fig. 2 is the top view of background technology middle (center) bearing lid of the present invention;
Wherein, 1, bearing cap; 10, apical pore; 11, connecting hole;
Fig. 3 is the front view of the embodiment of the present invention one;
Fig. 4 is the top view of embodiment one;
Fig. 5 is the left view of embodiment one;
Fig. 6 is the upward view of embodiment one;
Wherein, 2, base plate; 20, extension; 3, top board; 30, drill bit via hole; 31, groove; 4, riser; 5, level is propped up platform; 6, vertically prop up platform; 7, screw rod; 8, pressing plate; 9, nut; 10, short slab; 11, flat head bolt; 12, positioning screw; 13, setscrew nut; 14, sunk screw; 15, screw; 16, lower nut.
The specific embodiment
The invention will be further described below in conjunction with drawings and Examples:
Embodiment one: the invention provides a kind of engineering car owner and subtract the bearing cap processing technology, described bearing cap is provided with apical pore and two connecting holes, comprises the steps:
(1) mill two-sided: utilize milling machine and the upper and lower end face of milling two-sided fixture milling workpiece;
(2) bore apical pore: utilize drilling machine and bore the apical pore fixture and bore, attack apical pore at the top of workpiece, guaranteeing the eccentric throw of apical pore;
(3) spot facing: utilize the flat fixture of milling machine and ream that the upper surface ream of connecting hole on workpiece is flat, guarantee height, the centre-to-centre spacing of two connecting holes and the back gauge of connecting hole of upper surface;
(4) bore the strand diplopore: utilize drilling machine and bore that strand diplopore fixture adopts subdrilling, rear ream on workpiece, the mode of boring is again bored and twisted out two connecting holes, guarantee the centre-to-centre spacing of two connecting holes and the back gauge of connecting hole.
The processing technology that master of the present invention subtracts bearing cap is simple, reasonable, improves working (machining) efficiency and quality.
Shown in Fig. 3 ~ 6, described brill strand diplopore fixture comprises base plate 2, top board 3, connects the riser 4 of described base plate 2 and top board 3, and described base plate 2 is rectangular configuration, utilizes 4 screws 15 to be fixedly connected with platen, sees Fig. 6.
Parallel on described base plate 2, two levels that are arranged at intervals with are propped up platform 5, parallel on described riser 4, be arranged at intervals with two vertical platform 6, each described level is propped up platform 5 and is fixedly connected with described base plate 2 by two sunk screws 14, and each described vertical platform 6 is fixedly connected with described riser 4 by two sunk screws 14.
Two described levels prop up platform 5 and two described vertical platforms 6 are symmetrical with respect to same plane, and two described levels are propped up the spacing of the spacing of platform 5 less than two vertical platforms 6.
The side of described top board 3 is fixed with short slab 10, and this short slab 10 is provided with flat head bolt 11, and the tail end of described flat head bolt 11 extend out to the inboard of described riser 4 from described short slab 10, guarantee the positional precision in hole.
An end away from riser 4 of described base plate 2 is provided with the extension 20 that protrudes with respect to described top board 3, be provided with described base plate 2 center superposition places the centre bore that inserts for screw rod 7 on this extension 20, the lower end of described screw rod 7 utilizes lower nut 16 to be fixedly connected with described base plate 2.
Be arranged with pressing plate 8 on described screw rod 7, described pressing plate 8 tops are provided with the nut 9 that is spirally connected with described screw rod 7, described top board 3 is provided with on described top board 3 between the two described drill bit via holes 30 of drill bit via hole 30, two and offers the groove 31 that up and down reciprocatingly slides for described pressing plate 8.
A side relative with described riser 4 of described screw rod 7 is provided with positioning screw 12, the lower end of this positioning screw 12 is supported on described base plate 2, its upper end is bolted with two setscrew nuts 13, and described pressing plate 8 is sheathed on the positioning screw 12 between two described setscrew nuts 13.
Add man-hour, the bottom supporting of bearing cap is positioned two described levels and props up on platform 5, and lateral support is positioned on two described vertical platforms 6, and two connecting holes to be processed of described bearing cap are coaxial respectively at two described drill bit via holes 30.
Utilize above-mentioned fixture to bore two φ 22 of strand bearing cap, dark 50.8 connecting hole, comprise the steps:
(1) bearing cap is placed on fixture, the bottom supporting of bearing cap is positioned two described levels and props up on platform, lateral support is positioned on two described vertical platforms, and, by the flat head bolt on the rotation short slab, guarantees that two connecting holes to be processed of bearing cap are coaxial respectively at two described drill bit via holes;
(2) adjust up and down the position of pressing plate, to it, be pressed in the top of bearing cap, then screw the nut of pressing plate top;
(3) at first utilize the drilling machine drill bit to get out the through hole of two φ 21.9;
(4) then utilize the ream plain cutter to mill out from top to down bolt through-hole bigger diameter end dark 41.24, φ 23.3;
(5) then utilize again reamer to twist out the bolt through-hole miner diameter end of φ 22, guarantee two hole centre-to-centre spacing and the hole back gauge to side;
(6) last at the upper end of connecting hole chamfer, the brill of completing the bearing cap diplopore twists operation.
The above is the preferred embodiment of the present invention; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from principle of the present invention; can also make some improvement or replacement, these improvement or replacement also should be considered as protection scope of the present invention

Claims (10)

1. an engineering car owner subtracts the bearing cap processing technology, and described bearing cap is provided with apical pore and two connecting holes, it is characterized in that: described processing technology comprises the steps:
(1) mill two-sided: utilize milling machine and the upper and lower end face of milling two-sided fixture milling workpiece;
(2) bore apical pore: utilize drilling machine and bore the apical pore fixture and bore, attack apical pore at the top of workpiece, guaranteeing the eccentric throw of apical pore;
(3) spot facing: utilize the flat fixture of milling machine and ream that the upper surface ream of connecting hole on workpiece is flat, guarantee height, the centre-to-centre spacing of two connecting holes and the back gauge of connecting hole of upper surface;
(4) bore the strand diplopore: utilize drilling machine and bore that strand diplopore fixture adopts subdrilling, rear ream on workpiece, the mode of boring is again bored and twisted out two connecting holes, guarantee the centre-to-centre spacing of two connecting holes and the back gauge of connecting hole.
2. the strand of the brill in the described processing technology of claim 1 diplopore fixture, it is characterized in that: comprise base plate (2), top board (3), connect the riser (4) of described base plate (2) and top board (3), upper parallel, two levels that are arranged at intervals with of described base plate (2) are propped up platform (5), described riser (4) upper parallel, be arranged at intervals with two vertical platform (6);
An end away from riser (4) of described base plate (2) is provided with the extension (20) that protrudes with respect to described top board (3), this extension (20) is provided with screw rod (7), be arranged with pressing plate (8) on this screw rod (7), described pressing plate (8) top is provided with the nut (9) that is spirally connected with described screw rod (7);
Described top board (3) is provided with two drill bit via holes (30), offers the groove (31) that up and down reciprocatingly slides for described pressing plate (8) on the described top board (3) between two described drill bit via holes (30).
3. brill according to claim 2 twists the diplopore fixture, it is characterized in that: the side of described top board (3) is fixed with short slab (10), this short slab (10) is provided with flat head bolt (11), and the tail end of described flat head bolt (11) extend out to the inboard of described riser (4) from described short slab (10).
4. brill according to claim 2 twists the diplopore fixture, it is characterized in that: a side relative with described riser (4) of described screw rod (7) is provided with positioning screw (12), the lower end of this positioning screw (12) is supported on described base plate (2), its upper end is bolted with two setscrew nuts (13), and described pressing plate (8) is sheathed on the positioning screw (12) that is positioned between two described setscrew nuts (13).
5. brill according to claim 2 twists the diplopore fixture, it is characterized in that: the bottom supporting of bearing cap is positioned two described levels and props up on platform (5), lateral support is positioned on two described vertical platforms (6), and two connecting holes to be processed of described bearing cap are coaxial respectively at two described drill bit via holes (30).
6. brill according to claim 2 twists the diplopore fixture, and it is characterized in that: each described level is propped up platform (5) and is fixedly connected with described base plate (2) by two sunk screws (14).
7. brill according to claim 2 twists the diplopore fixture, and it is characterized in that: each described vertical platform (6) is fixedly connected with described riser (4) by two sunk screws (14).
8. according to claim 2 or 4 described brills twist the diplopore fixtures, and it is characterized in that: described base plate (2) utilizes 4 screws (15) to be fixedly connected with platen.
9. brill according to claim 2 twists the diplopore fixture, and it is characterized in that: two described levels prop up platform (5) and two described vertical platforms (6) are symmetrical with respect to same plane, and two described levels are propped up the spacings of the spacing of platform (5) less than two vertical platforms (6).
10. brill according to claim 2 twists the diplopore fixture, it is characterized in that: described base plate (2) is rectangular configuration, the center is provided with the centre bore that inserts for described screw rod (7), and the lower end of described screw rod (7) utilizes lower nut (16) to be fixedly connected with described base plate (2).
CN2013103052516A 2013-07-21 2013-07-21 Processing technology for main reducer bearing cover of engineering vehicle and dual-hole drilling and reaming clamp of processing technology Pending CN103394866A (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103921232A (en) * 2014-05-06 2014-07-16 安徽工程大学 Clamping device
CN104668885A (en) * 2015-02-09 2015-06-03 常熟赛驰机械有限公司 Processing technique for left-and-right rocker
CN107127597A (en) * 2017-05-25 2017-09-05 中车长春轨道客车股份有限公司 Roof locating and machining auxiliary mould and the roof integral processing method based on the frock

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20080067729A1 (en) * 2006-09-14 2008-03-20 Mckown Jeffrey A Holding Fixture for Machining Bearing Caps
CN201979305U (en) * 2011-01-31 2011-09-21 上海万泰汽车零部件有限公司 Clamp for processing bearing cap
CN202228544U (en) * 2011-09-06 2012-05-23 安徽省芜湖市信达粉末冶金零部件有限公司 Bearing cover
CN202326758U (en) * 2011-11-18 2012-07-11 曹泽通 Sliding bearing pedestal
CN202668140U (en) * 2012-06-26 2013-01-16 江苏汤臣汽车零部件有限公司 Tooling used in drilling and reaming of holes of bearing covers
CN202668139U (en) * 2012-06-26 2013-01-16 江苏汤臣汽车零部件有限公司 Tooling used in drilling of connecting holes of bearing covers
CN203565919U (en) * 2013-07-21 2014-04-30 泰州市里华机械有限公司 Main reducer bearing cap drilling-twisting dual-hole jig of engineering vehicle

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20080067729A1 (en) * 2006-09-14 2008-03-20 Mckown Jeffrey A Holding Fixture for Machining Bearing Caps
CN201979305U (en) * 2011-01-31 2011-09-21 上海万泰汽车零部件有限公司 Clamp for processing bearing cap
CN202228544U (en) * 2011-09-06 2012-05-23 安徽省芜湖市信达粉末冶金零部件有限公司 Bearing cover
CN202326758U (en) * 2011-11-18 2012-07-11 曹泽通 Sliding bearing pedestal
CN202668140U (en) * 2012-06-26 2013-01-16 江苏汤臣汽车零部件有限公司 Tooling used in drilling and reaming of holes of bearing covers
CN202668139U (en) * 2012-06-26 2013-01-16 江苏汤臣汽车零部件有限公司 Tooling used in drilling of connecting holes of bearing covers
CN203565919U (en) * 2013-07-21 2014-04-30 泰州市里华机械有限公司 Main reducer bearing cap drilling-twisting dual-hole jig of engineering vehicle

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103921232A (en) * 2014-05-06 2014-07-16 安徽工程大学 Clamping device
CN104668885A (en) * 2015-02-09 2015-06-03 常熟赛驰机械有限公司 Processing technique for left-and-right rocker
CN104668885B (en) * 2015-02-09 2017-09-29 常熟赛驰机械有限公司 Left rocker processing technology
CN107127597A (en) * 2017-05-25 2017-09-05 中车长春轨道客车股份有限公司 Roof locating and machining auxiliary mould and the roof integral processing method based on the frock
CN107127597B (en) * 2017-05-25 2018-10-09 中车长春轨道客车股份有限公司 Roof processes positioning assisting tooling and the roof integral processing method based on the tooling

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Application publication date: 20131120