CN104625815A - Novel fixture for differential machine shell inner end face rough and fine reaming machine tool - Google Patents
Novel fixture for differential machine shell inner end face rough and fine reaming machine tool Download PDFInfo
- Publication number
- CN104625815A CN104625815A CN201410828818.2A CN201410828818A CN104625815A CN 104625815 A CN104625815 A CN 104625815A CN 201410828818 A CN201410828818 A CN 201410828818A CN 104625815 A CN104625815 A CN 104625815A
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- Prior art keywords
- differential
- machine tool
- pressing plate
- fixture
- fixed
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, 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
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
- B23Q3/06—Work-clamping means
- B23Q3/08—Work-clamping means other than mechanically-actuated
- B23Q3/082—Work-clamping means other than mechanically-actuated hydraulically actuated
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, 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
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
- B23Q3/06—Work-clamping means
- B23Q3/069—Work-clamping means for pressing workpieces against a work-table
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, 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
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/155—Arrangements for automatic insertion or removal of tools, e.g. combined with manual handling
- B23Q3/157—Arrangements for automatic insertion or removal of tools, e.g. combined with manual handling of rotary tools
- B23Q3/15713—Arrangements for automatic insertion or removal of tools, e.g. combined with manual handling of rotary tools a transfer device taking a single tool from a storage device and inserting it in a spindle
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Machine Tool Units (AREA)
Abstract
The invention relates to a novel fixture for a differential machine shell inner end face rough and fine reaming machine tool. The novel fixture for the differential machine shell inner end face rough and fine reaming machine tool solves the problems existing in a present market that the precision of differential machine shell inner end face machining is low, the automation degree is low, the clamping process is tedious, and a same machine tool fixture cannot be adapted to the machining of the spherical shell cavities of differential machines of different types. According to the technical scheme, the fixture comprises a base, the upper end of the base is provided with two horizontally placed sliding rails at intervals, a stop block is fixed at the back end of the upper side face of each sliding rail in the length direction of the sliding rail, a support seat is arranged on the back of each stop block, two pressing plates are rotatably fixed at the upper ends of the support seats, and one pressing plate and one sliding rail are in the same axis; hydraulic cylinders are arranged at the back ends of the support seats, the back ends of the pressing plates are movably fixed on piston rods of the hydraulic cylinders, the front ends of the pressing plates are provided with folded plates which are arranged at the front ends of the stop blocks and are downward towards the direction of the stop blocks, a locating pin is arranged between the two support seats, and the locating pin is arranged towards the sliding rails and matched with a small circular hole in the spherical shell cavity of a differential machine shell.
Description
Technical field
The invention belongs to machining equipment field, relate to the thick smart ream fixture for machine tool of a kind of Novel differential gear housing inner face, especially can the thick smart ream fixture for machine tool of differential carrier inner face in accurate clamping differential mechanism spherical shell chamber.
Background technology
The processing of differential casing inner face is the domestic processing technology being badly in need of upgrading, flourish along with auto manufacturing, the requirement of people to automobile high-quality differential casing part becomes more and more urgent, and the processing of a technology-inner face crucial in differential casing part process, determine the topmost ring of this part quality, it annoyings producer always, be not well solved, general machining center or the copying lathe of adopting of current differential mechanism inner face processing is processed more, also have with shaping countersink processing differential mechanism inner face on engine lathe, but there are some shortcomings, as: process velocity is slow, surface quality is poor, the machining accuracy not accurately caused because of location is low, do not reach higher technical requirement.And the work in-process heart, although the good investment of quality is large, processing cost is high, and cutter expense is large.Special plane is processed, and invest also larger, processing cost is also relatively high.So above several method is all not suitable for the automobile industry of current high speed development to the Production requirement of differential mechanism small lot, multi items.
Chinese patent literature discloses a kind of process and the processing unit (plant) (application number: 201310574368.4 of processing differential carrier; Publication No.: CN103551815A), this device depends on NC vertical lathe, although this processing method machining accuracy is higher, investment is large, processing cost is high and cutter expense is large, is unfavorable for the multi items of product, production in enormous quantities.
Chinese patent literature openly proposes a kind of positioning device used for processing of differential casing (application number: 201120299198.X; Authorization Notice No.: CN 202264102U), it comprises holding device and positioning tool, the top body that described holding device is connected with lathe, top body is connected with live center by bearing group, live center is fixedly connected with live center positioning sleeve, described positioning tool comprises the terminal pad be connected with lathe by silk hole, and terminal pad is provided with positioning sleeve, and terminal pad end face is provided with positioning boss.This plant automation degree is low, and operating personnel's labour intensity is large, and machining accuracy is lower.
Summary of the invention
For above-mentioned situation, for overcoming the defect of prior art, the object of the present invention is just to provide the thick smart ream fixture for machine tool of a kind of Novel differential gear housing inner face, effectively solve existing differential casing inner face precision of commercially processing low, automaticity is low, clamping operation is loaded down with trivial details, same jig can not adapt to the problem of different model differential mechanism spherical shell chamber processing, this sleeve clamp can complete the thick smart ream of differential mechanism inner face, and can the differential mechanism that multiple unlike signal be produced of small lot, reduce cost, meet the requirement of user.
Its solution is, comprise pedestal, pedestal upper end is interval with the slide rail of two horizontal positioned, slide rail upper side is fixed with block along the rear end of its length direction, the rear of block is provided with bearing, bearing upper end is rotated and is fixed with pressing plate, described pressing plate is two, respectively with one of them slide rail on the same axis, prop up base rear end and be provided with hydraulic cylinder, the rear end of pressing plate is movably fixed on the piston rod of hydraulic cylinder, the front end of described pressing plate is provided with and is placed in block front end and the flap downward towards block direction, the alignment pin matched with the small sircle hole on differential casing spherical shell chamber placed towards slide rail is provided with between two bearings.
The present invention can realize the processing of multiple differential mechanism inner face under the prerequisite changing cutter, and achieve the disposable processing technology completing part working position in integral differential mechanism, also significantly improve automaticity simultaneously, there is the angular error of inner face processing hardly, work circumstances safe, improve machining accuracy and production efficiency, saved cost, all alleviate the manual labor of operator at multiple processing link.
Accompanying drawing explanation
Fig. 1 is three-dimensional structure diagram when clamping differential casing in the present invention.
Stereogram when Fig. 2 is the small sircle hole in the present invention on alignment pin insertion differential casing spherical shell chamber.
Fig. 3 is schematic diagram when dynamic cutter head connects the cutter being placed in differential casing in the present invention.
Fig. 4 is general assembly drawing of the present invention.
Fig. 5 is left slipway mechanism stereogram of the present invention.
Fig. 6 is manipulator mechanism stereogram of the present invention.
Fig. 7 is middle slipway mechanism stereogram of the present invention.
Fig. 8 is right slipway mechanism stereogram of the present invention.
Detailed description of the invention
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in further detail.
Provided by Fig. 1 to Fig. 3, the present invention includes pedestal 1, pedestal 1 upper end is interval with the slide rail 2 of two horizontal positioned, slide rail 2 upper side is fixed with block 3 along the rear end of its length direction, the rear of block 3 is provided with bearing 4, bearing 4 upper end is rotated and is fixed with pressing plate 5, described pressing plate 5 is two, respectively with one of them slide rail 2 on the same axis, bearing 4 rear end is provided with hydraulic cylinder 6, the rear end of pressing plate 5 is movably fixed on the piston rod of hydraulic cylinder 6, the front end of described pressing plate 5 is provided with and is placed in block 3 front end and the flap 7 downward towards block 3 direction, the alignment pin 10 matched with the small sircle hole 801 on differential casing 8 spherical shell chamber placed towards slide rail 2 is provided with between two bearings 4.
Described bearing 4 has two, and each bearing 4 upper end is rotated and fixed a pressing plate 5.
Described hydraulic cylinder 6 has two, the piston rod of each hydraulic cylinder 6 is flexibly connected the rear end of a pressing plate 5.
In the present invention, the spherical shell chamber of differential casing 8 is set up between two slide rails 2, the spherical shell chamber of differential casing 8 is after slide rail 2 slides into Working position, after the small sircle hole 801 inserted through the alignment pin 10 on fixture between two bearings 4 on the spherical shell chamber on differential casing 8 carries out rough circumferential registration, hydraulic cylinder 6 starts the rear end of jack-up pressing plate 5, by the manipulator on lathe, the macropore 802 of cutter 9 on differential casing 8 spherical shell is put into the spherical shell chamber of differential casing 8 again, two ends dynamic cutter head 17 inserts in cutter clamping hole (circular holes 803 namely in differential casing both ends of the surface), the thick smart ream to differential casing 8 inner face can be carried out.
Clamping differential casing 8 in the present invention determines the spherical shell chamber of differential casing 8 according to alignment pin 10 (the spherical shell chamber of differential casing 8 to have respectively two symmetrical small sircle holes 801 and two symmetrical big holes 802 after circumferencial direction has been located, when the spherical shell chamber of differential casing 8 slides into Working position along slide rail 2, alignment pin 10 inserts in one of them small sircle hole 801, namely the circular motion in the spherical shell chamber of differential casing 8 is limited, play locating effect), hydraulic cylinder 6 starts, pressing plate 5 is driven to be clamped by differential casing 8, clamping process is simple and convenient, scope in addition due to hydraulic cylinder 6 stroke is larger, so go for the processing of the differential casing 8 of different size model, the spherical shell of differential casing 8 leaves two big holes 802 and for manipulator, cutter 9 can be put into differential casing 8 inner chamber, then dynamic cutter head 17 inserts differential casing 8 by the circular hole 803 at differential casing 8 two ends, penetrate in cutter 9, cutter 9 clamping completes (countersink according to the corresponding model of the differential casing clamping of different model).Chip is spilt by the lower opening of differential casing 8 after cutting, and slides along the inclined-plane of clamp body.
The present invention can realize the processing of multiple differential mechanism inner face under the prerequisite changing cutter, and achieve the disposable processing technology completing part working position in integral differential mechanism, also significantly improve automaticity simultaneously, there is the angular error of inner face processing hardly, work circumstances safe, improve machining accuracy and production efficiency, saved cost, all alleviate the manual labor of operator at multiple processing link.
By shown in Fig. 4 to Fig. 8, the structure of the lathe described in the present invention is, comprise lathe 11, lathe 11 is provided with the left slipway mechanism 12 be placed on lathe 11 slide rail, middle slipway mechanism 13, right slipway mechanism 14, be placed in the manipulator mechanism 15 at middle slipway mechanism 13 rear portion, described middle slipway mechanism 13 is provided with differential casing fixture 16(and the thick smart ream fixture for machine tool of differential casing Internal Spherical Surface of the present invention), described left slipway mechanism 12 comprises the left slide unit body 1203 horizontally slipping and be fixed on slide rail, left slide unit body 1203 right part rotates and is fixed with left extension bar 1205, left extension bar 1205 connects the motor 1201 be placed on left slide unit body 1203 through transmission case 1202, the first hydraulic jack 1204 is connected with on the left of left slide unit body 1203 and between lathe 11,
Described middle slipway mechanism 13 comprises the slide unit body 1301 horizontally slipping and be fixed on slide rail, slide unit body 1301 lower end is provided with feed screw nut 1302, the leading screw screw rod 1303 of placement parallel with slide rail is equipped with in feed screw nut 1302, leading screw screw rod 1303 drives through power set and rotates, and described differential casing fixture 16 is fixed on slide unit body 1301 upper end;
Described right slipway mechanism 14 comprises the right slide unit body 1403 horizontally slipping and be fixed on slide rail, right slide unit body 1403 left end rotates and is fixed with right extension bar 1401, move to right on kinetoplast 1403 and be fixed with the second hydraulic jack 1404, the piston rod 1405 of the second hydraulic jack 1404 is fastened on the piston rod 1405 of buting iron 1406, second hydraulic jack 1404 on lathe 11 and slide rail parallels;
Described manipulator mechanism 15 comprises two of being fixed on lathe 11 and vertically places and parallel optical axis 1503, two optical axises 1503 slide up and down respectively and is provided with slide block 1505, also comprise the gusset piece 1507 be fixed on two slide blocks 1505, gusset piece 1507 is fixed with the 3rd hydraulic jack 1506, the piston rod 1502 of the 3rd hydraulic jack 1506 is parallel with optical axis 1503 and free end is fixed with baffle plate 1501, baffle plate 1501 is fixed on optical axis 1503 upper end, and gusset piece 1507 front end is provided with manipulator.
Described manipulator comprises handgrip 1509, and handgrip 1509 is driven through bar linkage structure by the 4th hydraulic jack 1508.
Described slide block 1505 slides through linear bearing 1504 and is fixed on optical axis 1503.
Affiliated feed screw nut 1302 is Double-ended nut.
Described power set comprise the feed rod 1305 be connected to through shaft coupling 1304 on leading screw screw rod 1303, and feed rod 1305 drives through servomotor 1306.
In machine tooling process, differential casing 8 is contained on differential casing fixture 16, cutter 9 caught by handgrip 1509, handgrip 1510 clamp-on tool 9 is driven by the 4th hydraulic jack 1508, by the cooperation of the 3rd hydraulic jack 1506 and its piston rod 1502, slide block 1505 is moved up and down on slide bar 1503 through linear bearing 1504, cutter 9 is delivered to operating position, while cutter 9 moves down, the first hydraulic jack 1204 of lathe 11 left end and the second hydraulic jack 1404 of lathe 11 right-hand member drive left and right slide unit body (1203, 1403) to intermediary movements, make left and right extension bar (1205, 1401) clamp-on tool 9 that (is equivalent to dynamic cutter head 17), when left and right extension bar (1205, 1401) time close to cutter 9, motor 1201 drives left extension bar 1205 slowly to rotate, handgrip 1509 loosening cutter 9, when cutter 9 reaches working speed, servomotor 1306 is by polished rod 1305, rotation is delivered on leading screw screw rod 1303 by shaft coupling 1304, by becoming horizontal displacement with the cooperation of Double-ended nut, and then control the horizontal displacement of differential casing 8 on slide unit body 1301, control and then controlled working size.
Claims (3)
1. the thick smart ream fixture for machine tool of Novel differential gear housing inner face, comprise pedestal (1), it is characterized in that, pedestal (1) upper end is interval with the slide rail (2) of two horizontal positioned, slide rail (2) upper side is fixed with block (3) along the rear end of its length direction, the rear of block (3) is provided with bearing (4), bearing (4) upper end is rotated and is fixed with pressing plate (5), described pressing plate (5) is two, respectively with one of them slide rail (2) on the same axis, bearing (4) rear end is provided with hydraulic cylinder (6), the rear end of pressing plate (5) is movably fixed on the piston rod of hydraulic cylinder (6), the front end of described pressing plate (5) is provided with and is placed in block (3) front end and the flap (7) downward towards block (3) direction, the alignment pin (10) matched with small sircle hole (801) on differential casing (8) spherical shell chamber that is that place towards slide rail (2) is provided with between two bearings (4).
2. the thick smart ream fixture for machine tool of a kind of Novel differential gear housing inner face according to claim 1, it is characterized in that, described bearing (4) has two, and each bearing (4) upper end is rotated and fixed a pressing plate (5).
3. the thick smart ream fixture for machine tool of a kind of Novel differential gear housing inner face according to claim 1, it is characterized in that, described hydraulic cylinder (6) has two, the piston rod of each hydraulic cylinder (6) is flexibly connected the rear end of a pressing plate (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410828818.2A CN104625815B (en) | 2014-12-29 | 2014-12-29 | A kind of differential casing inner face coarse-fine ream fixture for machine tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410828818.2A CN104625815B (en) | 2014-12-29 | 2014-12-29 | A kind of differential casing inner face coarse-fine ream fixture for machine tool |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104625815A true CN104625815A (en) | 2015-05-20 |
| CN104625815B CN104625815B (en) | 2016-08-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410828818.2A Expired - Fee Related CN104625815B (en) | 2014-12-29 | 2014-12-29 | A kind of differential casing inner face coarse-fine ream fixture for machine tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104625815B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107186235A (en) * | 2017-05-24 | 2017-09-22 | 浙江德尔特自动化科技有限公司 | The punching machine tool of porous processing is realized on slide rail |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1205276A1 (en) * | 2000-11-08 | 2002-05-15 | Trumpf GmbH & Co | Retaining device for at least one functional unit exchangable in a machine tool |
| CN2502838Y (en) * | 2001-09-17 | 2002-07-31 | 无锡机床股份有限公司 | Work-clamping device of bearing-ring internal grinder |
| CN201283431Y (en) * | 2008-10-28 | 2009-08-05 | 宁波永灵航空配件有限公司 | Inner spherical surface processing equipment of differential gear housing |
| CN202264102U (en) * | 2011-08-17 | 2012-06-06 | 林州市鹏华铸业有限公司 | Positioning device used for processing of differential casing |
| CN103551815A (en) * | 2013-11-15 | 2014-02-05 | 中国重汽集团济南动力有限公司 | Technological method for processing differential casing and processing device |
-
2014
- 2014-12-29 CN CN201410828818.2A patent/CN104625815B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1205276A1 (en) * | 2000-11-08 | 2002-05-15 | Trumpf GmbH & Co | Retaining device for at least one functional unit exchangable in a machine tool |
| CN2502838Y (en) * | 2001-09-17 | 2002-07-31 | 无锡机床股份有限公司 | Work-clamping device of bearing-ring internal grinder |
| CN201283431Y (en) * | 2008-10-28 | 2009-08-05 | 宁波永灵航空配件有限公司 | Inner spherical surface processing equipment of differential gear housing |
| CN202264102U (en) * | 2011-08-17 | 2012-06-06 | 林州市鹏华铸业有限公司 | Positioning device used for processing of differential casing |
| CN103551815A (en) * | 2013-11-15 | 2014-02-05 | 中国重汽集团济南动力有限公司 | Technological method for processing differential casing and processing device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107186235A (en) * | 2017-05-24 | 2017-09-22 | 浙江德尔特自动化科技有限公司 | The punching machine tool of porous processing is realized on slide rail |
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| Publication number | Publication date |
|---|---|
| CN104625815B (en) | 2016-08-24 |
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