CN108284334B - Gear box casing Special Fixture for Machining - Google Patents
Gear box casing Special Fixture for Machining Download PDFInfo
- Publication number
- CN108284334B CN108284334B CN201810041185.9A CN201810041185A CN108284334B CN 108284334 B CN108284334 B CN 108284334B CN 201810041185 A CN201810041185 A CN 201810041185A CN 108284334 B CN108284334 B CN 108284334B
- Authority
- CN
- China
- Prior art keywords
- positioning column
- bridge plate
- driving lever
- gear box
- bar
- 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.)
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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
-
- 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
-
- 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
- B23Q3/062—Work-clamping means adapted for holding workpieces having a special form or being made from a special material
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Jigs For Machine Tools (AREA)
Abstract
This patent is related to Workpiece clamping device field, disclose a kind of gear box casing Special Fixture for Machining, including numerical control rotating platform, oil pressure tailstock and bridge plate, it further include positioning column on bridge plate, positioning column is fixed on bridge plate, positioning column inner hollow, screw rod is fixed on positioning column, locking nut is threaded on screw rod, the middle part of positioning column is uniformly distributed, and there are four sliding slots, sliding block is slidably connected in sliding slot, driving lever is equipped in positioning column, the first connected ball is fixed in the middle part of driving lever, pressure spring is connected between sliding block and driving lever, driving lever is hinged with amplification bar far from one end of sliding block, the length for amplifying bar is greater than driving lever, the second connected ball is fixed on amplification bar, first connected ball and the second connected ball with positioning column wall ball-joint, U-shaped tunnel is equipped in bridge plate, the one end in U-shaped tunnel is connected to positioning column, the other end in U-shaped tunnel runs through bridge plate, The corner in U-shaped tunnel is equipped with reflecting mirror.This patent is intended to provide a kind of special fixture of clamping precision for guaranteeing gear box casing.
Description
Technical field
The present invention relates to Workpiece clamping device fields.
Background technique
Gear box casing generallys use die cast, gear box casing after molding also need to process on shell plane,
Slot, hole etc..Due to usually needing to process inclined-plane, inclined hole etc. on gear box casing, frequently with four axis turntable clamping workpieces.?
During clamping, the precision of clamping position directly affects the precision of processing.
A kind of automobile steering device shell numerical control is disclosed application No. is the Chinese invention patent of CN201620925377.2 to add
Four axis tooling of work, tooling include pedestal, and pedestal both ends are respectively equipped with numerical control rotating platform and oil pressure tailstock, numerical control rotating platform and oil pressure tailstock
It is bolted on bottom plate respectively, numerical control rotating platform and oil pressure tailstock are equipped with turntable in inside, and tooling further includes intermediate axle
Plate, the bridge plate both ends are respectively equipped with to be fixed on turntable with numerical control rotating platform/matched disk of oil pressure tailstock, the disk, institute
Bridge plate is stated equipped with several work piece holder platforms, work piece holder platform is equipped with several clamping screws to fix workpiece.It will in the patent
Clamping screw is inserted into the mounting hole on shell and workpiece is fixed, but mounting hole is usually bigger than clamping screw, is locking
It is difficult to ensure that clamping screw is coaxial with mounting hole when bolt lock clamping of workpieces, in turn results in after each clamping workpiece that there are position mistakes
Difference reduces clamping precision, thereby reduces machining accuracy.
Summary of the invention
The invention is intended to provide a kind of gear box casing Special Fixture for Machining, to guarantee the clamping precision of workpiece.
Gear box casing Special Fixture for Machining in this programme, including numerical control rotating platform, oil pressure tailstock and bridge plate, numerical control rotating platform
It is equipped with turntable in inside with oil pressure tailstock, bridge plate both ends are respectively equipped with and numerical control rotating platform, the matched attachment base of oil pressure tailstock, even
Joint chair further includes positioning column on the bridge plate for connecting with turntable, and positioning column is perpendicular to bridge plate and is fixed on bridge plate, positioning
Column inner hollow, for positioning column far from screw rod is fixed on one end of bridge plate, screw rod is coaxial with positioning column, is threaded on screw rod
Locking nut, the middle part of positioning column is uniformly distributed there are four sliding slot, and sliding slot is arranged radially along positioning column, and cunning is slidably connected in sliding slot
Block, interior be equipped with of positioning column are equipped with a driving lever in the axial direction, the first connected ball are fixed in the middle part of driving lever, between sliding block and driving lever
It is connected with pressure spring, driving lever slidably connects slide far from one end of sliding block, amplification bar is hinged on slide, and the length for amplifying bar is big
In driving lever, amplify and be fixed with the second connected ball on bar, the first connected ball and the second connected ball with positioning column wall ball-joint, institute
The U-shaped tunnel in bridge plate equipped with middle part for straight way is stated, the one end in U-shaped tunnel is connected to positioning column, and the other end in U-shaped tunnel runs through
The surface of positioning column is installed, the corner in U-shaped tunnel is equipped with reflecting mirror on bridge plate.
The technical principle of this programme and have the beneficial effect that workpiece to be mounted is placed on bridge plate, the top of positioning column is stretched
Enter into the mounting hole of gear box casing, when positioning column is coaxial with mounting hole, the decrement of pressure spring is equal in four sliding slots, this
When driving lever it is coaxial with positioning column, tighten clamp nut, can be by Workpiece clamping；When positioning column is not coaxial with mounting hole, at this time
Mounting hole is in eccentric state relative to positioning column, and the decrement for the pressure spring being connect to it with the closer sliding block of inner wall of the hole installing is more
Greatly, the elastic force of pressure spring is also bigger, and driving lever is pushed to tilt to the other side, and one end of driving lever connection amplification bar is subjected to displacement, and amplifies
The displacement equations at driving lever end are made amplification bar that apparent displacement occur far from one end of driving lever by bar, run through bridge by U-shaped tunnel
One end of plate and reflection sem observation amplify displacement of the bar far from driving lever end.Opposite direction along amplification bar direction of displacement gently taps
Workpiece makes workpiece slight displacement on bridge plate, can constantly regulate the position of mounting hole, until mounting hole and positioning column are coaxial,
Locking nut can be tightened.
This programme guarantees the clamping precision of workpiece by positioning, adjustment and clamping to mounting hole.Pass through driving lever and amplification
Whether bar using lever principle accurately detects mounting hole coaxial with positioning column, while being seen in real time by U-shaped tunnel and reflecting mirror
The amplification amplified offset of bar is examined, workpiece is adjusted while clamping, further ensures the precision of clamping.
Further, the junction in the positioning column and the U-shaped tunnel is equipped with transparent reference plate, and reference plate is equipped with
Several concentric rings, concentric ring are concentric with positioning column.Convenient on the basis of the concentric ring on reference plate, observation amplification bar is close to benchmark
The displacement of one end of piece is also convenient for quantifying the amount that workpiece needs to adjust when workpiece needs to adjust.
Further, the amplification bar is equipped with laser lamp, the direction of illumination of laser lamp on one end of the reference plate
To amplify the axis direction of bar and towards reference plate, the reflecting mirror and bridge plate are in 45° angle.Convenient for passing through laser lamp and reflecting mirror
Whether observation amplification bar is directed toward the center of circle of concentric ring, and it is same that amplification bar is directed toward provable mounting hole and positioning column when the center of circle of concentric ring
Axis.
Further, second connected ball no more than the second connected ball and amplifies bar lower end at a distance from amplification bar upper end
The 1/2 of distance.The displacement for guaranteeing amplification bar lower end is the 2 times or more of the upper end displacement, to guarantee amplification effect, in favor of
Observation.
Further, the positioning column base diameter is greater than top diameter, and positioning column is made of transparent glass.Guarantee amplification bar
Lower end has enough spaces, while convenient for amplifying whether bar tilts from the side of positioning column.
Further, the U-shaped tunnel is equipped with magnifying glass through one end of the bridge plate.Refer to convenient for amplifying observation amplification bar
To the center of circle of concentric ring.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of gear box casing of embodiment of the present invention Special Fixture for Machining；
Structural schematic diagram when Fig. 2 is positioning column clamping workpiece in Fig. 1.
Specific embodiment
Below by specific embodiment, the present invention is described in further detail:
Appended drawing reference in Figure of description includes: mounting hole 1, bridge plate 2, attachment base 3, positioning column 4, screw rod 5, U-shaped hole
Road 6, magnifying glass 7, sliding block 8, driving lever 9, pressure spring 10, amplification bar 11, reference plate 12, reflecting mirror 13, laser lamp 14.
The embodiment of gear box casing Special Fixture for Machining is substantially as shown shown in Figure 1 and Figure 2: including numerical control rotating platform, oil
Press tailstock and bridge plate 2, numerical control rotating platform and oil pressure tailstock are equipped with turntable in inside, 2 both ends of bridge plate be respectively equipped with numerical control rotating platform,
The matched attachment base 3 of oil pressure tailstock, attachment base 3 further include positioning column 4 made of glass on bridge plate 2 for connecting with turntable,
Positioning column 4 is in truncated cone-shaped, and positioning column 4 is perpendicular to bridge plate 2 and is fixed on bridge plate 2,4 inner hollow of positioning column, and positioning column 4 is separate
Screw rod 5 is fixed on one end of bridge plate 2, screw rod 5 and positioning column 4 are coaxial, and locking nut, positioning column 4 are threaded on screw rod 5
Middle part it is uniformly distributed there are four sliding slot, sliding slot is arranged radially along positioning column 4, and one piece of sliding block 8 is slidably connected in each sliding slot, fixed
It is equipped in the column 4 of position and is equipped with a driving lever 9 in the axial direction, the first connected ball is fixed in the middle part of driving lever 9, between sliding block 8 and driving lever 9
It is connected with pressure spring 10, driving lever 9 slidably connects slide far from one end of sliding block 8, and amplification bar 11 is hinged on slide, amplifies bar 11
Length be greater than driving lever 9, amplify and be fixed with the second connected ball on bar 11, the first connected ball and the second connected ball with positioning column 4
Inner wall ball-joint, bridge plate 2 is interior to be equipped with the U-shaped tunnel 6 that middle part is straight way, and the one end in U-shaped tunnel 6 is connected to positioning column 4, U-shaped hole
The other end in road 6 is equipped with the surface of positioning column 4 on bridge plate 2, and through part is equipped with magnifying glass 7, the corner in U-shaped tunnel 6
Reflecting mirror 13 is installed；The junction in positioning column 4 and U-shaped tunnel 6 is equipped with transparent reference plate 12, if reference plate 12 is equipped with
Dry concentric ring, concentric ring and positioning column 4 are concentric；Amplification bar 11 is equipped with laser lamp 14, laser on one end of reference plate 12
The direction of illumination of lamp 14 is to amplify the axis direction of bar 11 and towards reference plate 12, reflecting mirror 13 and bridge plate 2 in 45° angle.
Workpiece to be mounted is placed on bridge plate 2, and the top of positioning column 4 is extend into the mounting hole 1 of gear box casing.
When positioning column 4 and coaxial mounting hole 1, driving lever 9 and positioning column 4 are coaxial at this time, observe laser by magnifying glass 7
The concentric position for laser irradiation concentric ring on reference plate 12 that lamp 14 issues, tightens clamp nut, can be by Workpiece clamping.
When positioning column 4 and not coaxial mounting hole 1, mounting hole 1 is in eccentric state relative to positioning column 4 at this time, with peace
The decrement for the pressure spring 10 that the closer sliding block 8 of dress 1 inner wall of hole connects it is bigger, and the elastic force of pressure spring 10 is also bigger, and pushes and dial
Bar 9 is tilted to the other side, and one end of the connection amplification bar 11 of driving lever 9 is subjected to displacement, and amplification bar 11 makes the displacement equations at 9 end of driving lever
Bar 11 must be amplified, apparent displacement occurs far from one end of driving lever 9, observed by magnifying glass 7 on U-shaped tunnel 6 and reflecting mirror 13
Amplify the displacement of hot spot in 11 reference rings of bar.Opposite direction along amplification 11 direction of displacement of bar gently taps workpiece, and workpiece is made to exist
Slight displacement on bridge plate 2 can constantly regulate the position of mounting hole 1, until mounting hole 1 and positioning column 4 are coaxial, can tighten lock
Tight nut.
What has been described above is only an embodiment of the present invention, and the common sense such as well known specific structure and characteristic are not made herein in scheme
Excessive description.It, without departing from the structure of the invention, can be with it should be pointed out that for those skilled in the art
Several modifications and improvements are made, these also should be considered as protection scope of the present invention, these all will not influence what the present invention was implemented
Effect and patent practicability.The scope of protection required by this application should be based on the content of the claims, in specification
The records such as specific embodiment can be used for explaining the content of claim.
Claims (6)
1. gear box casing Special Fixture for Machining, including numerical control rotating platform, oil pressure tailstock and bridge plate, numerical control rotating platform and oil pressure tailstock are equal
It is equipped with turntable in inside, bridge plate both ends, which are respectively equipped with, to be used for and turn with numerical control rotating platform, the matched attachment base of oil pressure tailstock, attachment base
Disk connection, it is characterised in that: further include positioning column on the bridge plate, positioning column is perpendicular to bridge plate and is fixed on bridge plate, positioning
Column inner hollow, for positioning column far from screw rod is fixed on one end of bridge plate, screw rod is coaxial with positioning column, is threaded on screw rod
Locking nut, the middle part of positioning column is uniformly distributed there are four sliding slot, and sliding slot is arranged radially along positioning column, and cunning is slidably connected in sliding slot
Block, interior be equipped with of positioning column are equipped with a driving lever in the axial direction, the first connected ball are fixed in the middle part of driving lever, between sliding block and driving lever
It is connected with pressure spring, driving lever slidably connects slide far from one end of sliding block, amplification bar is hinged on slide, and the length for amplifying bar is big
In driving lever, amplify and be fixed with the second connected ball on bar, the first connected ball and the second connected ball with positioning column wall ball-joint, institute
The U-shaped tunnel in bridge plate equipped with middle part for straight way is stated, the one end in U-shaped tunnel is connected to positioning column, and the other end in U-shaped tunnel runs through
The surface of positioning column is installed, the corner in U-shaped tunnel is equipped with reflecting mirror on bridge plate.
2. gear box casing Special Fixture for Machining according to claim 1, it is characterised in that: the positioning column and the U
The junction in shape tunnel is equipped with transparent reference plate, and reference plate is equipped with several concentric rings, and concentric ring is concentric with positioning column.
3. gear box casing Special Fixture for Machining according to claim 2, it is characterised in that: the amplification bar is close to described
Laser lamp is installed, the direction of illumination of laser lamp is to amplify the axis direction of bar and towards reference plate, institute on one end of reference plate
Reflecting mirror and bridge plate are stated in 45° angle.
4. gear box casing Special Fixture for Machining according to claim 3, it is characterised in that: second connected ball with put
The distance of big bar upper end is not more than 1/2 of the second connected ball at a distance from amplification bar lower end.
5. gear box casing Special Fixture for Machining according to claim 1, it is characterised in that: the positioning column base diameter
Greater than top diameter, positioning column is made of transparent glass.
6. gear box casing Special Fixture for Machining according to claim 4, it is characterised in that: the U-shaped tunnel runs through institute
The one end for stating bridge plate is equipped with magnifying glass.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810041185.9A CN108284334B (en) | 2018-01-16 | 2018-01-16 | Gear box casing Special Fixture for Machining |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810041185.9A CN108284334B (en) | 2018-01-16 | 2018-01-16 | Gear box casing Special Fixture for Machining |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108284334A CN108284334A (en) | 2018-07-17 |
| CN108284334B true CN108284334B (en) | 2019-06-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810041185.9A Active CN108284334B (en) | 2018-01-16 | 2018-01-16 | Gear box casing Special Fixture for Machining |
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| Country | Link |
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| CN (1) | CN108284334B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110802428B (en) * | 2019-11-29 | 2021-01-22 | 常州机电职业技术学院 | Milling machine fixture for gearbox of coulter gear |
| CN112635938B (en) * | 2020-12-22 | 2021-11-30 | 扬州斯帕克实业有限公司 | 5G ceramic filter |
| CN116652644B (en) * | 2023-07-06 | 2023-10-13 | 长沙博大科工股份有限公司 | Clamping fixture for processing engine end cover |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4964613B2 (en) * | 2007-02-19 | 2012-07-04 | 光洋電子工業株式会社 | Wireless proximity sensor device, work clamp device and machining device |
| CN203401326U (en) * | 2013-07-18 | 2014-01-22 | 杭州萧山中艺纺织有限公司 | High-efficiency high-precision machining center for automotive engine cylinder head |
| CN104308625A (en) * | 2014-11-22 | 2015-01-28 | 重庆鸿磐机械配件有限公司 | Cam drilling clamp |
| CN205571959U (en) * | 2016-03-12 | 2016-09-14 | 杭州宏科自动化机械有限公司 | Frock clamp of reductor body |
| CN206029463U (en) * | 2016-08-24 | 2017-03-22 | 十堰高明精密机械有限公司 | Auto steering ware casing digital control processing four -axis frock |
| CN206105449U (en) * | 2016-10-26 | 2017-04-19 | 昆山勇翔精密机械有限公司 | Gearbox special fixture |
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2018
- 2018-01-16 CN CN201810041185.9A patent/CN108284334B/en active Active
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| Publication number | Publication date |
|---|---|
| CN108284334A (en) | 2018-07-17 |
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