CN103394867A - Processing technology for main reducer shell of engineering vehicle and peripheral hole drilling and reaming clamp - Google Patents
Processing technology for main reducer shell of engineering vehicle and peripheral hole drilling and reaming clamp Download PDFInfo
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- CN103394867A CN103394867A CN2013103052520A CN201310305252A CN103394867A CN 103394867 A CN103394867 A CN 103394867A CN 2013103052520 A CN2013103052520 A CN 2013103052520A CN 201310305252 A CN201310305252 A CN 201310305252A CN 103394867 A CN103394867 A CN 103394867A
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Abstract
The invention discloses a processing technology for a main reducer shell of an engineering vehicle and a peripheral hole drilling and reaming clamp. The processing technology includes the steps of double-face milling: milling a flange face and a bearing guard end face; four-hole drilling and twisting: drilling and tapping connecting holes of the main reducer shell and a bearing cover; outer circle finish turning: performing finishing turning on the outer circle of the bearing cover and the outer circle of a large-plane upper step face; drilling and reaming: drilling and reaming peripheral holes on a large plane of a workpiece; rough and fine boring: performing rough and fine boring on a top hole, a center hole and a bearing hole; edge milling: milling the side edge of the center hole; small top face threaded hole drilling and tapping: using a drilling and tapping dual-purpose machine for drilling and tapping a threaded hole and an oil hole on the flange face; and independent hole drilling and tapping: using a drilling machine for facing a threaded hole on the lateral of the main reducer shell prior to drilling and tapping. The processing technology for the main reducer shell is few in processes and simple and reasonable, one or two planes in the large plane, the flange face and the bottom face are taken as the datum for clamping the workpiece, clamping error of datum changing is avoided, and processing efficiency and quality are improved.
Description
Technical field
The invention belongs to the Machining Technology field, be specifically related to a kind of engineering truck final drive casing processing technology and peripheral hole drill strand 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, at first final drive casing is cast as blank, then blank through milling, the operation such as brill, car, strand processes, which is provided with flange face 11, bearing guard end face 12, large plane 13, bottom surface 14, apical pore 15, dead eye 16, centre bore 17, be located at installing hole 18 on large end face and locating hole 19 etc., for avoiding benchmark to change clamping error, raising machining accuracy, the crudy of more existence, a kind of operation of need design is few, the rational processing technology of processing sequence.
Summary of the invention
The object of the invention is to provide a kind of engineering truck final drive casing processing technology and peripheral hole drill strand fixture, and Design Processing 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 truck final drive casing processing technology comprises the steps:
(1) mill two-sided: take the large plane of workpiece as benchmark, with double sides milling machine milling flange face and bearing guard end face;
(2) bore strand four holes:, take flange face and bottom surface as benchmark, drill through the connecting hole of final drive casing and bearing cap with drilling machine, and tapping;
(3) twist bearing cap: utilize the bolt that is bolted in the pre-hole of described connection that bearing cap is connected with final drive casing;
(4) fine turning outer circle: take flange face and bottom surface as benchmark, with the appear on the stage cylindrical of terrace of the cylindrical of lathe finish turning bearing cap and large plane;
(5) perforating fraising:, take flange face and bottom surface as benchmark, with drilling machine/radial drilling machine, bore periphery hole on the strand large plane of workpiece, i.e. installing hole and locating hole;
(6) flat, the chamfering of ream:, take flange face and bottom surface as benchmark, utilize that vertical knee-type milling machine is flat with apical pore end ream, chamfering;
(7) thick, right boring hole:, take large plane as benchmark, utilize that three hole boring machines are thick, right boring apical pore, centre bore and dead eye;
(9) finish-milling plane:, take large plane as benchmark, utilize the little end face of vertical knee-type milling machine finish-milling centre bore;
(10) mill limit:, take flange face and bottom surface as benchmark, utilize milling machine to mill the centre bore side;
(11) tapping:, take large plane as benchmark, utilize the self-made tapping machine with the tapping of step (7) gained dead eye;
(12) bore and to attack little end face silk hole:, take flange face as benchmark, attack dual-purpose machine drill with brill and attack screwed hole and oilhole on flange face;
(13) bore and attack only hole: take large plane as benchmark, the screwed hole flat with the first ream of drilling machine, that rear brill is attacked the final drive casing side.
The embodiment of the present invention also provides a kind of above-mentioned perforating fraising operation peripheral hole drill strand fixture used, comprise base plate, master plate, be fixed on two guide pillars and boss on this base plate, described boss between two described guide pillars, and this boss and described apical pore isometrical;
A sheathed claw on each described guide pillar, described master plate is detachable to be connected on two described claws, and described master plate is provided with the drill bit via hole isometrical with described installing hole.
In technique scheme, be installed with straight pin on described guide pillar, described claw is supported in the top of this straight pin.
Preferably, be provided with accordingly 14 described drill bit via holes on described master plate.
Further technical scheme, also be provided with 3 pattern locating holes accordingly on described master plate.
In technique scheme, be arranged with sleeve on described guide pillar.
Preferably, the end that described claw is connected with master plate is forked end, is respectively equipped with a connecting hole in two branches of this forked end, and described claw utilization is inserted in the bolt that connecting hole is connected with the drill bit via hole and is connected with described master plate is detachable.
In technique scheme, described base plate utilizes 4 bolts to be fixedly connected with platen.
While utilizing this brill strand fixture to bore the periphery hole of strand final drive casing, comprise the steps:
(1) workpiece is positioned to bore on the strand fixture by the cooperation between apical pore and boss;
(2) catch jacket is located on guide pillar, and is adjusted the position of its above-below direction;
(3) utilize bolt master plate to be connected in the below of two claws;
(4) utilize drilling machine/radial drilling machine to bore successively strand installing hole and locating hole, guarantee the position degree of each hole dimension and locating hole;
(5) workpiece after processing takes off from boring on the strand fixture, completes the brill strand of final drive casing periphery hole.
Because technique scheme is used, the present invention compared with prior art has following advantages:
1. few, the technique of the processing technology operation of final drive casing of the present invention is simple, rationally, and all take 1 or 2 plane in large plane, flange face and bottom surface, carry out the clamping of workpiece as benchmark, avoid benchmark to change the clamping error that exists, improved working (machining) efficiency and quality.
Description of drawings
Fig. 1 is the front view of final drive casing in background technology of the present invention;
Fig. 2 is the upward view of final drive casing in background technology of the present invention;
Wherein: 11, flange face; 12, bearing guard end face; 13, large plane; 14 bottom surfaces; 15, apical pore; 16, dead eye; 17, centre bore; 18, installing hole; 19, locating hole;
Fig. 3 is the structural representation of the embodiment of the present invention one;
Fig. 4 is the front view of master plate in embodiment one;
Fig. 5 is the top view of claw in embodiment one;
Wherein: 3, base plate; 4, master plate; 40, drill bit via hole; 41, pattern locating hole; 5, guide pillar; 6, boss; 7, claw; 8, straight pin; 9, sleeve.
The specific embodiment
The invention will be further described below in conjunction with drawings and Examples:
Embodiment one: a kind of engineering truck final drive casing processing technology comprises the steps:
(1) mill two-sided: take the large plane of workpiece as benchmark, with double sides milling machine milling flange face and bearing guard end face;
(2) bore strand four holes:, take flange face and bottom surface as benchmark, drill through the connecting hole of final drive casing and bearing cap with drilling machine, and tapping;
(3) twist bearing cap: utilize the bolt that is bolted in the pre-hole of described connection that bearing cap is connected with final drive casing;
(4) fine turning outer circle: take flange face and bottom surface as benchmark, with the appear on the stage cylindrical of terrace of the cylindrical of lathe finish turning bearing cap and large plane;
(5) perforating fraising:, take flange face and bottom surface as benchmark, with drilling machine/radial drilling machine, bore periphery hole on the strand large plane of workpiece, i.e. installing hole and locating hole;
(6) flat, the chamfering of ream:, take flange face and bottom surface as benchmark, utilize that vertical knee-type milling machine is flat with apical pore end ream, chamfering;
(7) thick, right boring hole:, take large plane as benchmark, utilize that three hole boring machines are thick, right boring apical pore, centre bore and dead eye;
(9) finish-milling plane:, take large plane as benchmark, utilize the little end face of vertical knee-type milling machine finish-milling centre bore;
(10) mill limit:, take flange face and bottom surface as benchmark, utilize milling machine to mill the centre bore side;
(11) tapping:, take large plane as benchmark, utilize the self-made tapping machine with the tapping of step (7) gained dead eye;
(12) bore and to attack little end face silk hole:, take flange face as benchmark, attack dual-purpose machine drill with brill and attack screwed hole and oilhole on flange face;
(13) bore and attack only hole: take large plane as benchmark, the screwed hole flat with the first ream of drilling machine, that rear brill is attacked the final drive casing side.
The processing technology operation of final drive casing of the present invention is few, technique is simple, rationally, and all take 1 or 2 plane in large plane, flange face and bottom surface, carry out the clamping of workpiece as benchmark, avoid benchmark to change the clamping error that exists, improved working (machining) efficiency and quality.
The present invention also provides a kind of above-mentioned perforating fraising operation peripheral hole drill strand fixture used, as shown in Figure 3, comprise base plate 3, master plate 4, be fixed on two guide pillars 5 and boss 6 on this base plate 3, described base plate 3 utilizes 4 bolts to be fixedly connected with platen, described boss 6 is between two described guide pillars 5, and this boss 6 is isometrical with described apical pore.
Be installed with straight pin 8 on described guide pillar 5, be arranged with a claw 7 that is supported in straight pin 8 tops on each described guide pillar 5, described master plate 4 is detachable to be connected on two described claws 7, be provided with accordingly on described master plate 4 14 with isometrical drill bit via hole 40,3 the pattern locating holes 41 of described installing hole, as shown in Figure 4.
The lower end of described guide pillar 5 is arranged with sleeve 9.
As shown in Figure 5, the end that described claw 7 is connected with master plate 4 is forked end, is respectively equipped with a connecting hole in two branches of this forked end, and described claw 7 utilizes and is inserted in the bolt and described detachable connection of master plate 4 that connecting hole is connected with the drill bit via hole.
While utilizing the present embodiment one to bore the periphery hole of strand final drive casing, comprise the steps:
(1) workpiece is positioned to bore on the strand fixture by the cooperation between apical pore and boss;
(2) catch jacket is located on guide pillar, and is adjusted the position of its above-below direction;
(3) utilize bolt master plate to be connected in the below of two claws;
(4) utilize drilling machine/radial drilling machine to bore successively strand installing hole and locating hole, guarantee the position degree of each hole dimension and locating hole;
(5) workpiece after processing takes off from boring on the strand fixture, completes the brill strand of final drive casing periphery hole.
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 (8)
1. an engineering truck final drive casing processing technology, is characterized in that: comprise the steps:
(1) mill two-sided: take the large plane of workpiece as benchmark, with double sides milling machine milling flange face and bearing guard end face;
(2) bore strand four holes:, take flange face and bottom surface as benchmark, drill through the connecting hole of final drive casing and bearing cap with drilling machine, and tapping;
(3) twist bearing cap: utilize the bolt that is bolted in the pre-hole of described connection that bearing cap is connected with final drive casing;
(4) fine turning outer circle: take flange face and bottom surface as benchmark, with the appear on the stage cylindrical of terrace of the cylindrical of lathe finish turning bearing cap and large plane;
(5) perforating fraising:, take flange face and bottom surface as benchmark, with drilling machine/radial drilling machine, bore periphery hole on the strand large plane of workpiece, i.e. installing hole and locating hole;
(6) flat, the chamfering of ream:, take flange face and bottom surface as benchmark, utilize that vertical knee-type milling machine is flat with apical pore end ream, chamfering;
(7) thick, right boring hole:, take large plane as benchmark, utilize that three hole boring machines are thick, right boring apical pore, centre bore and dead eye;
(9) finish-milling plane:, take large plane as benchmark, utilize the little end face of vertical knee-type milling machine finish-milling centre bore;
(10) mill limit:, take flange face and bottom surface as benchmark, utilize milling machine to mill the centre bore side;
(11) tapping:, take large plane as benchmark, utilize the self-made tapping machine with the tapping of step (7) gained dead eye;
(12) bore and to attack little end face silk hole:, take flange face as benchmark, attack dual-purpose machine drill with brill and attack screwed hole and oilhole on flange face;
(13) bore and attack only hole: take large plane as benchmark, the screwed hole flat with the first ream of drilling machine, that rear brill is attacked the final drive casing side.
2. perforating fraising operation peripheral hole drill strand fixture used in a claim 1, it is characterized in that: comprise base plate (3), master plate (4), be fixed on two guide pillars (5) and boss (6) on this base plate (3), described boss (6) is positioned between two described guide pillars (5), and this boss (6) is isometrical with described apical pore;
The upper sheathed claw (7) of each described guide pillar (5), described master plate (4) is detachable to be connected on two described claws (7), and described master plate (4) is provided with the drill bit via hole (40) isometrical with described installing hole.
3. peripheral hole drill according to claim 2 twists fixture, and it is characterized in that: be installed with straight pin (8) on described guide pillar (5), described claw (7) is supported in the top of this straight pin (8).
4. peripheral hole drill strand fixture according to claim 2, is characterized in that: be provided with accordingly 14 described drill bit via holes (40) on described master plate (4).
5. according to claim 2 or 4 described peripheral hole drill strand fixtures, is characterized in that: also be provided with accordingly 3 pattern locating holes (41) on described master plate (4).
6. peripheral hole drill strand fixture according to claim 2, is characterized in that: be arranged with sleeve (9) on described guide pillar (5).
7. peripheral hole drill according to claim 2 twists fixture, it is characterized in that: the end that described claw (7) is connected with master plate (4) is forked end, be respectively equipped with a connecting hole in two branches of this forked end, described claw (7) utilization is inserted in the bolt and detachable connection of described master plate (4) that connecting hole is connected with the drill bit via hole.
8. peripheral hole drill according to claim 2 twists fixture, and it is characterized in that: described base plate (3) utilizes 4 bolts to be fixedly connected with platen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013103052520A CN103394867A (en) | 2013-07-21 | 2013-07-21 | Processing technology for main reducer shell of engineering vehicle and peripheral hole drilling and reaming clamp |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2013103052520A CN103394867A (en) | 2013-07-21 | 2013-07-21 | Processing technology for main reducer shell of engineering vehicle and peripheral hole drilling and reaming clamp |
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| CN103394867A true CN103394867A (en) | 2013-11-20 |
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| CN2013103052520A Pending CN103394867A (en) | 2013-07-21 | 2013-07-21 | Processing technology for main reducer shell of engineering vehicle and peripheral hole drilling and reaming clamp |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104015001A (en) * | 2014-06-12 | 2014-09-03 | 靖江市顺达模具厂 | Method for machining tool apron |
| CN105619031A (en) * | 2016-02-04 | 2016-06-01 | 山东琪能机械科技有限公司 | Machining process for end cover |
| CN114310200A (en) * | 2022-02-15 | 2022-04-12 | 航天华盛源机电（苏州）有限公司 | Production method of servo motor shell |
| CN114473379A (en) * | 2022-01-11 | 2022-05-13 | 恒达传动(禹城)有限公司 | Processing method of variable walking motor shell |
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| CN202088017U (en) * | 2011-06-01 | 2011-12-28 | 安徽恒生机械制造有限公司 | Duel-location mechanism for overturn bushing plate and workpiece |
| CN102463486A (en) * | 2010-11-11 | 2012-05-23 | 天津市宝涞精密机械有限公司 | Automatic centering compaction clamp for Danfoss cylinder body |
| CN202239800U (en) * | 2011-10-09 | 2012-05-30 | 贵州詹阳动力重工有限公司 | Fixture for drilling hub support of excavator |
| CN202239779U (en) * | 2011-07-02 | 2012-05-30 | 郧西县神风实业有限公司 | Frame mounting hole clamp of left/right front suspension bracket |
| CN203356670U (en) * | 2013-07-21 | 2013-12-25 | 泰州市里华机械有限公司 | Reaming clamp of peripheral holes of main speed reducer shell of engineering truck |
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Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| EP2286960A2 (en) * | 2009-08-17 | 2011-02-23 | Grasch GbR | Method and tensioning device for tensioning a blank in a processing machine, in particular a milling machine |
| CN201823966U (en) * | 2010-09-10 | 2011-05-11 | 镇江液压件厂有限责任公司 | Radial pore processing tool of pocket type fully-hydraulic steering gear |
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| CN202239779U (en) * | 2011-07-02 | 2012-05-30 | 郧西县神风实业有限公司 | Frame mounting hole clamp of left/right front suspension bracket |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104015001A (en) * | 2014-06-12 | 2014-09-03 | 靖江市顺达模具厂 | Method for machining tool apron |
| CN105619031A (en) * | 2016-02-04 | 2016-06-01 | 山东琪能机械科技有限公司 | Machining process for end cover |
| CN114473379A (en) * | 2022-01-11 | 2022-05-13 | 恒达传动(禹城)有限公司 | Processing method of variable walking motor shell |
| CN114310200A (en) * | 2022-02-15 | 2022-04-12 | 航天华盛源机电（苏州）有限公司 | Production method of servo motor shell |
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Application publication date: 20131120 |