CN105710685A - Clamp for engine shell gear shaping process - Google Patents

Clamp for engine shell gear shaping process Download PDF

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Publication number
CN105710685A
CN105710685A CN201610251911.0A CN201610251911A CN105710685A CN 105710685 A CN105710685 A CN 105710685A CN 201610251911 A CN201610251911 A CN 201610251911A CN 105710685 A CN105710685 A CN 105710685A
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CN
China
Prior art keywords
gear shaping
fixture
oil cylinder
motor body
shaping operation
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.)
Granted
Application number
CN201610251911.0A
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Chinese (zh)
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CN105710685B (en
Inventor
乔凌云
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Yichang Changjiang Machine Technology Co Ltd
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Yichang Changjiang Machine Technology Co Ltd
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Priority to CN201610251911.0A priority Critical patent/CN105710685B/en
Publication of CN105710685A publication Critical patent/CN105710685A/en
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Publication of CN105710685B publication Critical patent/CN105710685B/en
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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23QDETAILS, 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
    • B23Q3/00Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
    • B23Q3/02Devices 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
    • B23Q3/06Work-clamping means
    • B23Q3/08Work-clamping means other than mechanically-actuated
    • B23Q3/082Work-clamping means other than mechanically-actuated hydraulically actuated
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23QDETAILS, 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
    • B23Q3/00Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
    • B23Q3/02Devices 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
    • B23Q3/06Work-clamping means
    • B23Q3/062Work-clamping means adapted for holding workpieces having a special form or being made from a special material

Abstract

The invention provides a clamp for an engine shell gear shaping process. The clamp comprises a clamp body. The clamp body is provided with multiple supporting columns used for datum plane localization and multiple locating pins used for circle center localization. Multiple rotary compression oil cylinders and locating and supporting oil cylinders matched with the rotary compression oil cylinders are arranged on the clamp body. The datum plane of a part shell is located through the upper end faces of the supporting columns. An inner hole step of the part shell is supported by the upper end faces of the supporting columns. The number of the locating pins is two. The supporting columns are adopted for locating the end face datum plane, the part shell is centered through the locating pins, and the part shell of a complex structure is accurately clamped and located. The rotary compression oil cylinders and the locating and supporting oil cylinders are matched to compress the part shell, the machining rigidity of the part shell is improved, the part shell is prevented from deforming in the gear shaping process, and the gear shaping accuracy of an inner gear in the part shell is improved.

Description

The fixture of motor body gear shaping operation
Technical field
The present invention relates to Gear Shaping field, particularly a kind of relate to the fixture of the motor body gear shaping operation of the complicated shape thin-walled parts such as motor body in the industry such as automobile, Aero-Space.
Background technology
Electromotor is the vitals in the field such as automobile, Aero-Space.And motor body forms frequently with precision aluminium-alloy casting, having light weight, contour structures is complicated, poor rigidity, yielding feature.Motor body in production and processing usually because These characteristics causes processing difficulties.Such as have plenty of because of benchmark problem cannot clamping, have plenty of poor rigidity during clamping post-treatment, machining accuracy is low, also has plenty of the lathe not having to process this operation.In prior art, there is no the fixture being exclusively used in motor body class thin-walled parts gear shaping.Employing milling teeth procedure is processed, inefficient, relatively costly.
Summary of the invention
The technical problem to be solved is to provide the fixture of a kind of motor body gear shaping operation, it is possible to solve motor body when gear shaping operation cannot clamping, the problem of poor rigidity, it is possible to be accurately positioned the center of circle and the datum level of motor body.
For solving above-mentioned technical problem, the technical solution adopted in the present invention is: the fixture of a kind of motor body gear shaping operation, and including clamp body, clamp body is provided with multiple support column for datum level location and multiple alignment pin for location, the center of circle;
Clamp body is provided with multiple oil cylinder that rotatably compresses, and with rotatably compress the location support cylinder that oil cylinder matches.
The described support column datum level by upper surface locating element housing, the upper surface of support column is bearing in the endoporus stage of part housing.
Described alignment pin is two.
In alignment pin, the first alignment pin is round pin, and the second alignment pin is rhombus pin.
Multiple auxiliary support cylinder it is additionally provided with in the bottom of part housing.
Being provided with stage rotatably compressing the oil cylinder side towards part housing, auxiliary support cylinder is arranged in the stage of side.
Be provided with stage at the top rotatably compressing oil cylinder, location support cylinder is arranged in stage.
Rotatably compress oil cylinder and position the position that support cylinder is clamped in the flange of part housing.
Described rotatably compressing that oil cylinder is fixing with clamp body to be connected, clamp body passes through screw and is connected with the T-nut in platen T-slot.
Rotatably compressing in oil cylinder, piston rod is fixedly connected with the pressing plate, and the sidewall rotatably compressing oil cylinder is provided with two oil-ins, is respectively communicated with rod chamber and rodless cavity.
The fixture of a kind of motor body gear shaping operation provided by the invention, by adopting the mode of support column to realize the location in end standard face, realizes the centering of part housing by alignment pin, it is achieved the accurate Set and Positioning of part housing of labyrinth.Coordinating to rotatably compress oil cylinder and position support cylinder makes part housing compress, and improves the processing rigidity of part housing, it is prevented that the deformation of part housing in gear shaping operation, improves the gear shaping precision of internal gear in part housing.In preferred scheme, the auxiliary support cylinder of setting further increases the clamping precision of part housing.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the invention will be further described:
Fig. 1 is the schematic front view of the present invention.
Fig. 2 is the schematic top plan view of the present invention.
Fig. 3 is the top view of part housing in the present invention.
Fig. 4 is the A-A sectional view of Fig. 3.
Fig. 5 is the right view of Fig. 3.
Fig. 6 is the upward view of part housing in the present invention.
Fig. 7 is the structural representation rotatably compressing oil cylinder in the present invention.
In figure: clamp body 1, the first alignment pin 2, the second alignment pin 2', support column 3, rotatably compress oil cylinder 4, position support cylinder 5, assist support cylinder 6, part housing 7, pinion cutter 8, screw 9, T-nut 10, internal gear 11, compress position 12, centering position 13, flange 14, endoporus stage 15, inner chamber 16, flange compresses position 17, compresses position 18 under flange.
Detailed description of the invention
In Fig. 3 ~ 6, the part housing 7 in the present invention is thin-walled parts, and centre is provided with inner chamber 16 in irregular shape.Position in the middle of inner chamber 16 is provided with internal gear 11, is additionally provided with step hole and reinforcement in the bottom of part housing 7, and outline is irregular, it is difficult to location and clamping, and rigidity is poor, yielding in the course of processing.Be provided with flange 14 on the top of part housing 7, flange 14 is provided with multiple flange hole.
Such as Fig. 1, in 2, a kind of fixture of motor body gear shaping operation, including clamp body 1, clamp body 1 is provided with multiple support column 3 for datum level location, preferably as shown in fig. 1, the described support column 3 datum level by upper surface locating element housing 7, the upper surface of support column 3 is bearing in the endoporus stage 15 of part housing 7.Thus structure, by endoporus stage 15 position of verification Reference Transforming to part housing 7, as positioning datum, owing to endoporus stage 15 place is through machining, having higher precision, and the rigidity at this place is also of a relatively high, therefore the datum level after conversion improves the precision of processing.
With multiple alignment pins for location, the center of circle;Preferably as shown in Figure 2, described alignment pin is two.The center of circle of internal gear 11 is positioned by alignment pin.Preferably, in alignment pin, the first alignment pin 2 is round pin, and the second alignment pin 2' is rhombus pin.Thus structure, it is to avoid hole, location centre-to-centre spacing error interferes alignment pin and coordinating of positioning hole.The major axis of rhombus pin is vertical with two lines positioned between hole.
Such as Fig. 1, as shown in 2, clamp body 1 is provided with multiple oil cylinder 4 that rotatably compresses, and with rotatably compress the location support cylinder 5 that oil cylinder 4 matches.Rotatably compressing oil cylinder 4 and position the position that support cylinder 5 is clamped in the flange 14 of part housing 7, the pressing plate wherein rotatably compressing oil cylinder 4 is down pressed, and the piston rod positioning support cylinder 5 pushes up upward.By rotatably compressing oil cylinder 4 and coordinating of location support cylinder 5, the flange 14 of part housing 7 is reliably fixed, improve the rigidity of part housing 7.In this example rotatably compressing oil cylinder 4 and location support cylinder 5 is four groups, compress position 18 under position 17 and flange referring to Fig. 3, compression position 12 in 5, flange compress.Such as Fig. 1, as shown in 7, described rotatably compresses in oil cylinder 4, rotatably compresses in oil cylinder 4, and piston rod is fixedly connected with the pressing plate, and adopts taper hole and key to connect in this example, and the sidewall rotatably compressing oil cylinder 4 is provided with two oil-ins, is respectively communicated with rod chamber and rodless cavity.Thus structure, by rotary pressure plate, piston rod concomitant rotation, it is to avoid in clamping with the process taking off part housing 7, part housing 7 is caused interference by pressing plate.
Preferably, each oil circuit of each location support cylinder 5 communicates, and namely connects and interconnects between the oil circuit of rod chamber, connects and interconnects between the oil circuit of rodless cavity.Thus structure, it is ensured that support force is balanced.
Preferably as shown in fig. 1, multiple auxiliary support cylinder 6 it is additionally provided with in the bottom of part housing 7.Preferably, the oil circuit of each auxiliary support cylinder 6 communicates, and namely connects and interconnects between the oil circuit of rod chamber, connects and interconnects between the oil circuit of rodless cavity.Thus structure, further enhances the clamping rigidity of part housing 7.
Preferably as shown in fig. 1, being provided with stage rotatably compressing the oil cylinder 4 side towards part housing 7, auxiliary support cylinder 6 is arranged in the stage of side.Thus structure, it is simple to the location of auxiliary support cylinder 6, also allows for the setting of hydraulic circuit.
Preferably as shown in fig. 1, being provided with stage at the top rotatably compressing oil cylinder 4 cylinder body, location support cylinder 5 is arranged in stage.Thus structure, it is simple to the location of location support cylinder 5, also allows for the setting of hydraulic circuit.The pressure rotatably compressing oil cylinder 4 can individually adjust, and beats whether table look-up part housing 7 upper surface deforms after compressing according to initial setting oil pressure, if without deformation, then by detecting.If being deformed, then adjust some of this position or several charge oil pressure rotatably compressing oil cylinder 4, repeatedly play table, to without deformation.
Preferred as shown in fig. 1, oil cylinder 4 is fixing with clamp body 1 is connected in described rotatably compressing, and clamp body 1 passes through screw 9 and is connected with the T-nut 10 in platen T-slot.Thus structure, uses for centering workpiece.
The fixture of the present invention, except for motor body, it is also possible in irregular shape for other, the clamping processing of the thin-walled parts that rigidity is poor.
As shown in Figure 1, 2, clamp body is connected with gear shaper workbench, plays the effect supporting whole part housing 7 together with support column 3.The upper surface of support column 3 is the locating surface of part housing 7.The inspection benchmark of part gear shaping precision has been transformed into by flange 14 upper surface of the upper surface of support column 3 herein.Ensure that machining accuracy, it is ensured that use the gear shaping action of pinion cutter 8 during gear shapping machine to be smoothed out.
First alignment pin 2 and the second alignment pin 2' respectively round pin and rhombus pin.Workpiece centering adopts the location mode of two pins.
Rotatably compress oil cylinder 4 and controlled the lifting of pressing plate and the size of thrust by oil pressure.Pressing plate rotates the top to part housing 7, rotates and continues decline compressing component housing 7 after terminating.Reversely logical oil can make pressing plate rise, and unclamps part housing 7.Rotatably compressing oil cylinder in present clip structure is 4.
Location support cylinder 5 is different with auxiliary support cylinder 6 only position, and structure is identical.The size of the pressure supported can be controlled by oil pressure.The push rod positioning support cylinder 5 during logical oil and assist support cylinder 6 rises and touches the surface of part housing 7 and lock, and plays the effect supporting part housing 7.Location supports the pressure being responsible for supporting the pressing plate rotatably compressing oil cylinder 4, it is prevented that rotatably compress oil cylinder 4 by part housing 7 compressive strain.Auxiliary support cylinder 6 is responsible for supporting the part housing 7 whole cambered surface of part, further enhances the rigidity of whole processing.Positioning support cylinder 5 quantity in the clamp structure of the present invention is 4, and auxiliary support cylinder 6 quantity is 5.
Part housing 7 is realized end face by support column 3 and positions, and is realized the centering of internal gear 11 by the first alignment pin 2 and the second alignment pin 2', is compressed the upper surface of flange 14 by rotatably compressing oil cylinder 4.And by positioning support cylinder 5, the lower surface of flange 14 is supported.The bottom cambered surface of part housing 7 is provided auxiliary to support by auxiliary support cylinder 6.During part housing 7 clamping, after placing part by first alignment pin the 2, second alignment pin 2' and support column 3, the supporting mechanism action of location support cylinder 5, then oil cylinder 4 action is rotatably compressed, part housing 7 is tentatively compressed, adjust oil pressure pressure, make part housing 7 reliably be fixed, and deform less than predetermined design.Continue fuel feeding until reliably being compressed by part housing 7.Finally auxiliary support cylinder 6 action, by the bottom support of part housing 7.Whole clamping action completes, and now part housing 7 has extremely strong rigidity, can prevent the deformation that pinion cutter 8 causes in gear shaping operation, improves the gear shaping precision of internal gear 11.
The above embodiments are only the preferred technical solution of the present invention; and it is not construed as the restriction for the present invention; the technical scheme that protection scope of the present invention should be recorded with claim, is protection domain including the equivalents of technical characteristic in the technical scheme that claim is recorded.Namely equivalent replacement the within the scope of this is improved, also within protection scope of the present invention.

Claims (10)

1. a fixture for motor body gear shaping operation, is characterized in that: include clamp body (1), and clamp body (1) is provided with multiple support column (3) for datum level location and multiple alignment pin for location, the center of circle;
Clamp body (1) is provided with multiple oil cylinder (4) that rotatably compresses, and with rotatably compress the location support cylinder (5) that oil cylinder (4) matches.
2. the fixture of motor body gear shaping operation according to claim 1, it is characterized in that: the described support column (3) datum level by upper surface locating element housing (7), the upper surface of support column (3) is bearing in the endoporus stage (15) of part housing (7).
3. the fixture of motor body gear shaping operation according to claim 1, is characterized in that: described alignment pin is two.
4. the fixture of motor body gear shaping operation according to claim 3, is characterized in that: in alignment pin, and the first alignment pin (2) is round pin, and (2') the second alignment pin is rhombus pin.
5. the fixture of motor body gear shaping operation according to claim 1, is characterized in that: be additionally provided with multiple auxiliary support cylinder (6) in the bottom of part housing (7).
6. the fixture of motor body gear shaping operation according to claim 1, is characterized in that: being provided with stage rotatably compressing the oil cylinder (4) side towards part housing (7), auxiliary support cylinder (6) is arranged in the stage of side.
7. the fixture of motor body gear shaping operation according to claim 1, is characterized in that: be provided with stage at the top rotatably compressing oil cylinder (4), location support cylinder (5) is arranged in stage.
8. the fixture of motor body gear shaping operation according to claim 1, is characterized in that: rotatably compresses oil cylinder (4) and positions the position that support cylinder (5) is clamped in the flange (14) of part housing (7).
9. the fixture of motor body gear shaping operation according to claim 1, it is characterized in that: described rotatably compress that oil cylinder (4) is fixing with clamp body (1) to be connected, clamp body (1) is connected with the T-nut (10) in platen T-slot by screw (9).
10. the fixture of motor body gear shaping operation according to claim 1, is characterized in that: rotatably compressing in oil cylinder (4), piston rod is fixedly connected with the pressing plate, the sidewall rotatably compressing oil cylinder (4) is provided with two oil-ins, is respectively communicated with rod chamber and rodless cavity.
CN201610251911.0A 2016-04-21 2016-04-21 The fixture of motor body gear shaping process Active CN105710685B (en)

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Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
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CN105710685B CN105710685B (en) 2018-05-18

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106426259A (en) * 2016-10-09 2017-02-22 宜昌长机科技有限责任公司 Paw structure and grabbing method for automatic grabbing of engine shell
CN110497042A (en) * 2019-09-29 2019-11-26 宜昌长机科技有限责任公司 Motor body gear-shaping clamp and hydraulic control method
CN113021033A (en) * 2021-03-23 2021-06-25 安徽全柴动力股份有限公司 Clamp for finish machining of gearbox shell and clamping method
CN113276032A (en) * 2020-02-20 2021-08-20 无锡职业技术学院 A fixed frock for special-shaped housing part
CN115090939A (en) * 2022-06-27 2022-09-23 重庆荆江汽车半轴股份有限公司 Flange positioning device for milling machine

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1579954A1 (en) * 2004-03-25 2005-09-28 WENDT GmbH Ram clamping device
CN104647091A (en) * 2015-01-06 2015-05-27 柳州博昌汽车部件有限公司 Clamp apparatus for plane milling of manipulator cover of small-sized business-purpose vehicle
CN204413691U (en) * 2015-02-03 2015-06-24 焱智精密机械(上海)有限公司 For the clamping system of work pieces process
CN104759919A (en) * 2015-04-22 2015-07-08 如皋市非标轴承有限公司 Shaft head milling device and machining process thereof
CN105058117A (en) * 2015-08-04 2015-11-18 重庆山青机械制造有限公司 Side-by-side type clamp for end surface milling of reverse and shift gear cantilevers
CN205111377U (en) * 2015-11-18 2016-03-30 盛瑞传动股份有限公司 Hydraulic tightening positioner of bell housing processing machine dignity
CN205520620U (en) * 2016-04-21 2016-08-31 宜昌长机科技有限责任公司 Anchor clamps of motor case gear shaping process

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1579954A1 (en) * 2004-03-25 2005-09-28 WENDT GmbH Ram clamping device
CN104647091A (en) * 2015-01-06 2015-05-27 柳州博昌汽车部件有限公司 Clamp apparatus for plane milling of manipulator cover of small-sized business-purpose vehicle
CN204413691U (en) * 2015-02-03 2015-06-24 焱智精密机械(上海)有限公司 For the clamping system of work pieces process
CN104759919A (en) * 2015-04-22 2015-07-08 如皋市非标轴承有限公司 Shaft head milling device and machining process thereof
CN105058117A (en) * 2015-08-04 2015-11-18 重庆山青机械制造有限公司 Side-by-side type clamp for end surface milling of reverse and shift gear cantilevers
CN205111377U (en) * 2015-11-18 2016-03-30 盛瑞传动股份有限公司 Hydraulic tightening positioner of bell housing processing machine dignity
CN205520620U (en) * 2016-04-21 2016-08-31 宜昌长机科技有限责任公司 Anchor clamps of motor case gear shaping process

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106426259A (en) * 2016-10-09 2017-02-22 宜昌长机科技有限责任公司 Paw structure and grabbing method for automatic grabbing of engine shell
CN106426259B (en) * 2016-10-09 2019-03-19 宜昌长机科技有限责任公司 A kind of grasping means for the gripper structure that motor body automatically grabs
CN110497042A (en) * 2019-09-29 2019-11-26 宜昌长机科技有限责任公司 Motor body gear-shaping clamp and hydraulic control method
CN113276032A (en) * 2020-02-20 2021-08-20 无锡职业技术学院 A fixed frock for special-shaped housing part
CN113021033A (en) * 2021-03-23 2021-06-25 安徽全柴动力股份有限公司 Clamp for finish machining of gearbox shell and clamping method
CN115090939A (en) * 2022-06-27 2022-09-23 重庆荆江汽车半轴股份有限公司 Flange positioning device for milling machine

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