CN107791066A - A kind of gear box casing milling faying face fixture and its application method - Google Patents
A kind of gear box casing milling faying face fixture and its application method Download PDFInfo
- Publication number
- CN107791066A CN107791066A CN201711222640.7A CN201711222640A CN107791066A CN 107791066 A CN107791066 A CN 107791066A CN 201711222640 A CN201711222640 A CN 201711222640A CN 107791066 A CN107791066 A CN 107791066A
- Authority
- CN
- China
- Prior art keywords
- gear box
- box casing
- faying face
- housing
- bottom plate
- 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
Links
Classifications
-
- 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
Abstract
The present invention, which provides a kind of gear box casing milling faying face fixture and its application method, the fixture, includes bottom plate, and bottom plate is provided with counterbore corresponding with the assembling hole site on housing, is provided with pressing device at counterbore, the pressing device can set the power that is fixed and clamped；The stop assembly to be fastened with the turnover face on housing and the support meanss with height regulation and height auto-lock function are additionally provided with bottom plate；The application method of fixture：(1) clamping workpiece；(2) oil cylinder tenses workpiece；(3) support meanss top is to workpiece and locking.Automaticity of the present invention is high, clamping pressure fixing, solves the problems such as thin-wall case shakes knife present in clamping and process, flatness is overproof, it is ensured that the machining accuracy of gear box casing milling faying face.
Description
Technical field
The present invention relates to clamping device technical field, and in particular to a kind of gear box casing milling faying face fixture and its makes
Use method.
Background technology
Gear box casing, belong to die cavity class thin-walled parts.Housing, which is provided with, to be used to assemble with parts such as bearing and brake discs
Pilot hole, for oiling and drain the oil, housing is provided with oil filler point and drain oil, is atmospheric pressure to keep transmission internal
Power, some passages are additionally provided with housing.
In the mechanical processing process of gear box casing, the processing of milling faying face be in gear box casing process very
An important procedure, its precision processed will directly influence the product quality of gear box casing.Because this shells is thin
There is the problem of shake knife, flatness is overproof in wall pieces, processing, the quality of frock clamp directly will have an impact to machining accuracy.It is existing
The fixture of some gear box casing thin-wall part milling faying faces is manual, is not easy clamping, and operative employee's labor intensity is big；Due to work
Part is thin-wall part, is easily deformed, and manual uniformity is poor, influences machining accuracy.
The content of the invention
The technical problems to be solved by the invention are that gear box casing milling faying face fixture is not easy clamping, faying face processing
Low precision, workpiece are yielding, there is provided a kind of gear box casing milling faying face is solved the above problems with fixture and its application method.
To achieve these goals, technical scheme is as follows：
A kind of gear box casing milling faying face fixture, including bottom plate, the bottom plate are provided with and the pilot hole on housing
The corresponding counterbore in position, the pressing device that the power that is fixed and clamped can be set is provided with the counterbore；Be additionally provided with bottom plate with housing
The stop assembly that fastens of turnover face and the support meanss below housing, support meanss there is height regulation and height lock
Determine function.
Further, the pin-and-hole being additionally provided with the bottom plate on the outside of housing lateral edges, side block pin is installed in pin-and-hole.
Further, the pressing device includes oil cylinder, and compressor arm, the top installation of compressor arm are provided with above oil cylinder
There is a pull bar, the surrounding of oil cylinder and compressor arm is coated with cushion block, and the top of cushion block is provided with pressing plate, and pressing plate side is provided with to be caught in and pushed away
The groove of pull bar, the width of groove are less than the width of push-and-pull boom end.
Further, the pressing device is arranged with two oil cylinders, the axis of the compressor arm and pull bar and two
The symmetrical overlapping of axles of oil cylinder, the oil cylinder are thin cylinder；The cushion block is the ring-type parallels above bottom plate.
Further, the stop assembly includes block, and the block is fixed by the block bearing on bottom plate.
Further, the support meanss are the shoring with height auto-lock function.
Further, the shoring is oil pressure over draft cylinder, and the position of shoring is corresponding to the position that the housing is most thin.
Further, the bottom plate is provided with the sequence valve for being used for adjusting the oil cylinder and shoring action sequencing.
Further, the sequence valve is oil pressure sequence valve, and the base plate interior is provided with oil duct.
The present invention compared with prior art, has the advantages that：
A kind of gear box casing milling faying face fixture is devised present invention is generally directed to the defects of prior art and its is made
With method, pressing device, stop assembly and support meanss, wherein pressing device is set to be arranged as required on clamp bottom board
Be fixed and clamped power, and support meanss have height regulation and height locking function, greatly simplify clamping process, reduces operative employee's work
Intensity.Automaticity is high, clamping pressure fixing, solves thin-wall case and knife is shaken present in clamping and process, is put down
The problems such as face degree is overproof, it is ensured that the machining accuracy of gear box casing milling faying face.
Symmetrically arranged thin cylinder is used in pressing device, is uniformly distributed thrust, oil cylinder working-pressure is fixed, and makes housing
Deflection is consistent in clamping process, thin cylinder small volume, saves space, the specification with standardization, can be mounted directly, be not required to
Want other accessories.
Stop assembly is fixed using block and block bearing to housing turnover face, and housing position admittedly
It is fixed, stability during housing processing is improved, prevents from deforming, while housing turning point is supported, prevent the turning point of housing
Produce slight crack or be damaged.
Support meanss use shoring, are mainly used in the most thin position of supporing shell, are cut when preventing housing to be processed
Power and deform, avoid processing when shake, so as to improve the machining accuracy of housing.Shoring can ensure that from oil pressure over draft cylinder
Machined surface is at all indeformable in process, so as to obtain excellent machining accuracy.Also with oil pressure over draft cylinder to shell
Body, which carries out floating clamping mechanism, can reduce the substantial amounts of clamping time immediately, significantly improve processing efficiency.
Brief description of the drawings
Fig. 1 is the structural representation of gear box casing of the present invention；
Fig. 2 is the top view of milling faying face fixture of the present invention；
Fig. 3 is the front view of milling faying face fixture of the present invention, and pressing plate is not drawn into the front view；
Fig. 4 is the enlarged drawing of A portions structure in Fig. 2；
Fig. 5 is the structural representation before the pressing device compression after clamping housing.
Wherein, 1- housings, 11- pilot holes one, 12- pilot holes two, 13- lateral edges, 14- turnovers face, 2- bottom plates, 3- counterbores
One, 4- counterbore two, 5- pin-and-holes, 6- pressing devices, 61- oil cylinders, 62- compressor arms, 621- clamp nuts, 63- pull bars, 631-
Push-and-pull boom end, 7- cushion blocks, 8- pressing plates, 81- grooves, 9- stop assemblies, 91- blocks, 92- block bearings, 93- screws, 10-
Sequence valve, 15- shorings, 16- oil ducts, 161- connect oil pipe.
Embodiment
In order to the present invention architectural feature and it is reached the effect of have a better understanding and awareness, to preferable
Embodiment and accompanying drawing coordinate detailed description, are described as follows：
As shown in figure 1, gear box casing 1 is thin-wall part, its middle part and upper right quarter are respectively equipped with pilot hole 1 and assembling
Hole 2 12, the black skin near the lateral edges 13 of housing 1 are smooth.The left side central portion of housing 1 is provided with turnover face 14, housing 1
Left side edge be the most thin position of housing 1.
As shown in Figure 2 and Figure 3, gear box casing milling faying face fixture includes bottom plate 2, bottom plate 2 be provided with housing 1
The corresponding counterbore in assembling hole site, wherein counterbore 1 is corresponding to the position of the pilot hole 1 on housing, counterbore 24 and shell
The position of pilot hole 2 12 on body is corresponding.
The pressing device 6 for compressing housing 1 is equipped with counterbore 1 and counterbore 24；The pressing device 6 includes two
Symmetrically arranged thin cylinder 61, is uniformly distributed thrust, and thin cylinder 61 is arranged in counterbore, the volume of thin cylinder 61
It is small, space is saved, the specification with standardization, can be mounted directly, it is not necessary to other accessories.The top of two thin cylinders 61
Compressor arm 62 is installed, compressor arm 62 is arranged on oil cylinder 61 by the screw thread on oil cylinder 61 and clamp nut 621, clamp nut
621 are used for locking compressor arm 62；The top of compressor arm 62 is provided with pull bar 63, and the axis of compressor arm 62 and pull bar 63 is equal
With the symmetrical overlapping of axles of two thin cylinders 61.The surrounding of oil cylinder 61 and compressor arm 62 is coated with cushion block 7, the cushion block 7 be positioned at
The ring-type parallels of the top of bottom plate 2, the top of cushion block 7 are provided with pressing plate 8, and the side of pressing plate 8 is provided with the groove 81 that can be caught in pull bar 63,
The width of groove 81 is less than the width of push-and-pull boom end 631, makes pressing plate 8 can be gradually by push-and-pull boom end when pull bar 63 pushes
631 compress.
The stop assembly 9 to be fastened with the turnover face 14 on housing 1 is additionally provided with bottom plate 2 and there is height regulation and height
The support meanss of auto-lock function.As shown in Figure 3, Figure 4, stop assembly 9 includes block 91, and the block 91 is by installing on a base plate 2
Block bearing 92 fix, between block 91 and block bearing 92, block bearing 92 and bottom plate 2 pass through screw 93 fastening connect
Connect.
As shown in Fig. 2 support meanss are shoring 15, shoring 15 can be used to withstand housing 1 when preventing that housing 1 is processed
Deformed by cutting force, avoid shaking during processing, so as to influence the machining accuracy of housing 1, be provided simultaneously with low pressure self-locking work(
Energy.Shoring 15 is preferably oil pressure over draft cylinder, and position and the most thin position of housing 1 of oil pressure over draft cylinder are the left side of housing 1
Edge position is corresponding.Because gear box casing 1 is thin-wall part, the essence of product is not paid attention to influenceing slightly in Milling Processes
Degree, oil pressure over draft cylinder support machined surface in the reverse side of the machined surface of housing 1, make the machined surface of housing 1 in milling process
Do not deformed downwards because of the influence of cutting force, it can be ensured that machined surface is at all indeformable in process, excellent so as to obtain
Machining accuracy.The substantial amounts of clamping time can be reduced immediately by carrying out floating clamping mechanism to housing 1 also with oil pressure over draft cylinder, be shown
Write and improve processing efficiency.
As shown in Fig. 2 bottom plate 2 is provided with oil pressure sequence valve 10, the oil pressure sequence valve 10 be used to adjusting thin cylinder 61 with
The sequencing of oil pressure over draft cylinder action.
The pin-and-hole 5 with the outside of housing lateral edges 13 is additionally provided with bottom plate 2, side block pin is installed in pin-and-hole 5, for housing
1 is further spacing, and because the black skin near housing lateral edges 13 is smooth, the contact area after clamping herein is big, is easy to
Side force is undertaken, resetting is highly reliable.
The inside of bottom plate 2 is provided with oil duct 16, connects the side that oil pipe 161 is arranged on bottom plate 2, the connection and reasonable arrangement of oil duct 16, silk
The clamping of housing 1 and processing are not influenceed.
The use step of above-mentioned fixture is as follows：
(1) clamping workpiece
As shown in Fig. 2, Fig. 3, Fig. 5, the die cavity of gear box casing 1 is subjected to clamping up, makes pilot hole 1 with sinking
The position in hole 1 is corresponding, and pilot hole 2 12 is corresponding with the position of counterbore 24, make pressing device 6 be inserted in pilot hole 1 with
In pilot hole 2 12, then pressing plate 8 is installed on the top of housing pilot hole 1 and pilot hole 2 12 respectively, installation is on a base plate 2
Two side block pins keep off in the outside of housing lateral edges 13, while block 91 on turnover face 14 and the bottom plate 2 on housing 1 and
Block bearing 92 fastens, and the left side edge of housing 1 is corresponding with the position of two shorings 15 on bottom plate 2；
(2) thin cylinder 61 tenses workpiece
Under the control of oil pressure sequence valve 10, thin cylinder 61 first tenses workpiece, is had according to the model of oil cylinder 61 fixed
Thrust, oil cylinder 61, which pushes, drives compressor arm 62 and pull bar 63 to push clamping platen 8, so as to tense housing 1；
(3) oil pressure over draft cylinder top is to workpiece and voluntarily locking
Oil pressure over draft cylinder rises to the surface of housing 1, when contacting housing 1 and reaching the default pressure of oil pressure over draft cylinder, oil pressure
Over draft cylinder is voluntarily locked, and support is fixed to housing 1.
General principle, principal character and the advantages of the present invention of the present invention has been shown and described above.The technology of the industry
For personnel it should be appreciated that the present invention is not limited to the above embodiments, that described in above-described embodiment and specification is the present invention
Principle, various changes and modifications of the present invention are possible without departing from the spirit and scope of the present invention, these change and
Improvement is both fallen within the range of claimed invention.The protection domain of application claims by appended claims and its
Equivalent defines.
Claims (9)
1. a kind of gear box casing milling faying face fixture, including bottom plate, it is characterised in that the bottom plate be provided with housing
The corresponding counterbore in assembling hole site, the pressing device that the power that is fixed and clamped can be set is provided with the counterbore；It is additionally provided with bottom plate
There is height to adjust for the stop assembly to be fastened with the turnover face on housing and the support meanss below housing, support meanss
And height lock function.
2. a kind of gear box casing milling faying face fixture according to claim 1, it is characterised in that on the bottom plate also
Provided with the pin-and-hole on the outside of housing lateral edges, side block pin is installed in pin-and-hole.
A kind of 3. gear box casing milling faying face fixture according to claim 1, it is characterised in that the pressing device
Including oil cylinder, compressor arm is installed above oil cylinder, the surrounding bag of pull bar, oil cylinder and compressor arm is installed above compressor arm
Cushion block is covered with, the top of cushion block is provided with pressing plate, and pressing plate side is provided with the groove that can be caught in pull bar, and the width of groove is less than push-and-pull
The width of boom end.
A kind of 4. gear box casing milling faying face fixture according to claim 3, it is characterised in that the pressing device
The symmetrical overlapping of axles of two oil cylinders, the axis of the compressor arm and pull bar and two oil cylinders is arranged with, the oil cylinder is thin
Type oil cylinder, the cushion block are the ring-type parallels above bottom plate.
A kind of 5. gear box casing milling faying face fixture according to claim 1, it is characterised in that the stop assembly
Including block, the block is fixed by the block bearing on bottom plate.
A kind of 6. gear box casing milling faying face fixture according to claim 1, it is characterised in that the support meanss
For the shoring with height auto-lock function.
7. a kind of gear box casing milling faying face fixture according to claim 6, it is characterised in that the shoring is
Oil pressure over draft cylinder, the position of shoring are corresponding to the position that the housing is most thin.
8. a kind of gear box casing milling faying face fixture according to claim 1, it is characterised in that set on the bottom plate
There is the sequence valve for adjusting the oil cylinder and shoring action sequencing.
9. a kind of gear box casing milling faying face fixture according to claim 8, it is characterised in that the sequence valve is
Oil pressure sequence valve, the base plate interior are provided with oil duct.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711222640.7A CN107791066A (en) | 2017-11-29 | 2017-11-29 | A kind of gear box casing milling faying face fixture and its application method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711222640.7A CN107791066A (en) | 2017-11-29 | 2017-11-29 | A kind of gear box casing milling faying face fixture and its application method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107791066A true CN107791066A (en) | 2018-03-13 |
Family
ID=61537386
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711222640.7A Pending CN107791066A (en) | 2017-11-29 | 2017-11-29 | A kind of gear box casing milling faying face fixture and its application method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107791066A (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108655783A (en) * | 2018-04-17 | 2018-10-16 | 黑龙江农业工程职业学院 | Convenient hydraulic system platen positioning and clamping mechanism and clamping method |
| CN109093427A (en) * | 2018-09-13 | 2018-12-28 | 宝鸡法士特齿轮有限责任公司 | A kind of compatible fixture and its working method of clutch housing |
| CN109676409A (en) * | 2018-12-29 | 2019-04-26 | 綦江齿轮传动有限公司 | Case of transmission mills the tooling of boring processing |
| CN110918694A (en) * | 2019-12-02 | 2020-03-27 | 徐州泓吉环锻科技有限公司 | Wind driven generator flange ovality adjusting device |
| CN111001995A (en) * | 2019-12-28 | 2020-04-14 | 盛瑞传动股份有限公司 | Thin-wall shell machining process |
| CN111113107A (en) * | 2020-01-10 | 2020-05-08 | 东莞市奇海实业有限公司 | Frock clamp and lathe |
| CN113290401A (en) * | 2021-06-08 | 2021-08-24 | 浙江中柴机器有限公司 | Reverse-pulling type clamp device for machining thin-wall gearbox body |
| CN116493986A (en) * | 2023-06-30 | 2023-07-28 | 欧玛(中国)汽车部件有限公司 | New energy unmanned passenger train gearbox shell fixture tool |
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| JP2001138159A (en) * | 1999-11-17 | 2001-05-22 | Nissan Motor Co Ltd | Workpiece clamping device, and workpiece clamping method |
| CN203125158U (en) * | 2012-11-07 | 2013-08-14 | 滁州悦达实业有限公司 | Floating gripper hydraulic clamp for machining gear chamber |
| CN104690576A (en) * | 2014-12-01 | 2015-06-10 | 郑州精益达汽车零部件有限公司 | Tooling for machining bus final drive casing by VMC (vertical machining center) |
| CN206084522U (en) * | 2016-10-08 | 2017-04-12 | 重庆市仕佳汽车配件有限公司 | Gearbox case face adds clamping apparatus |
| CN207593309U (en) * | 2017-11-29 | 2018-07-10 | 滁州悦达实业有限公司 | A kind of gear box casing milling faying face fixture |
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2017
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2001138159A (en) * | 1999-11-17 | 2001-05-22 | Nissan Motor Co Ltd | Workpiece clamping device, and workpiece clamping method |
| CN203125158U (en) * | 2012-11-07 | 2013-08-14 | 滁州悦达实业有限公司 | Floating gripper hydraulic clamp for machining gear chamber |
| CN104690576A (en) * | 2014-12-01 | 2015-06-10 | 郑州精益达汽车零部件有限公司 | Tooling for machining bus final drive casing by VMC (vertical machining center) |
| CN206084522U (en) * | 2016-10-08 | 2017-04-12 | 重庆市仕佳汽车配件有限公司 | Gearbox case face adds clamping apparatus |
| CN207593309U (en) * | 2017-11-29 | 2018-07-10 | 滁州悦达实业有限公司 | A kind of gear box casing milling faying face fixture |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108655783A (en) * | 2018-04-17 | 2018-10-16 | 黑龙江农业工程职业学院 | Convenient hydraulic system platen positioning and clamping mechanism and clamping method |
| CN108655783B (en) * | 2018-04-17 | 2020-05-19 | 黑龙江农业工程职业学院 | Portable hydraulic system pressing plate positioning clamping mechanism and clamping method |
| CN109093427A (en) * | 2018-09-13 | 2018-12-28 | 宝鸡法士特齿轮有限责任公司 | A kind of compatible fixture and its working method of clutch housing |
| CN109093427B (en) * | 2018-09-13 | 2024-03-12 | 宝鸡法士特齿轮有限责任公司 | Compatibility clamp of clutch housing and working method thereof |
| CN109676409A (en) * | 2018-12-29 | 2019-04-26 | 綦江齿轮传动有限公司 | Case of transmission mills the tooling of boring processing |
| CN110918694A (en) * | 2019-12-02 | 2020-03-27 | 徐州泓吉环锻科技有限公司 | Wind driven generator flange ovality adjusting device |
| CN111001995A (en) * | 2019-12-28 | 2020-04-14 | 盛瑞传动股份有限公司 | Thin-wall shell machining process |
| CN111113107A (en) * | 2020-01-10 | 2020-05-08 | 东莞市奇海实业有限公司 | Frock clamp and lathe |
| CN113290401A (en) * | 2021-06-08 | 2021-08-24 | 浙江中柴机器有限公司 | Reverse-pulling type clamp device for machining thin-wall gearbox body |
| CN116493986A (en) * | 2023-06-30 | 2023-07-28 | 欧玛(中国)汽车部件有限公司 | New energy unmanned passenger train gearbox shell fixture tool |
| CN116493986B (en) * | 2023-06-30 | 2023-09-08 | 欧玛(中国)汽车部件有限公司 | New energy unmanned passenger train gearbox shell fixture tool |
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