CN207873963U - A kind of flexible sheet positioning device - Google Patents
A kind of flexible sheet positioning device Download PDFInfo
- Publication number
- CN207873963U CN207873963U CN201721779064.1U CN201721779064U CN207873963U CN 207873963 U CN207873963 U CN 207873963U CN 201721779064 U CN201721779064 U CN 201721779064U CN 207873963 U CN207873963 U CN 207873963U
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- China
- Prior art keywords
- actuator
- flexible sheet
- positioning device
- sheet positioning
- pedestal
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Abstract
The utility model is related to a kind of flexible sheet positioning devices, flexible sheet positioning device includes axially disposed pedestal, the pedestal is equipped with chuck, the chuck includes that the claw for being used for being positioned to workpiece is arranged in chuck body in chuck body and at least two, it is equipped in the pedestal axial arranged for squeezing chuck body so that the yoke frame that the claw in chuck body opens along pedestal, pedestal upper edge is useful for the actuator of driving yoke frame work perpendicular to base axis direction slidable fit, actuator is equipped with for coordinating the pushing tow structure to drive yoke frame to work with yoke frame pushing tow in sliding process.Actuator in this positioning device can carry out adjusting actuator by the structure at actuator both ends, so that the pushing tow structure of actuator drives yoke frame work, also it is easily achieved the deformation of claw, and simple in structure, accurate positioning after so that positioning device is installed to lathe, improves the efficiency of work.
Description
Technical field
The utility model is related to a kind of flexible sheet positioning devices.
Background technology
It is usually adopted as the sleeve workpiece of process tolerances in order to make positioning datum be overlapped with process tolerances using axis, center line
With centering and clamping mechanism, centering and clamping mechanism carries out positioning to sleeve workpiece makes the axis of sleeve workpiece or center line not generate position
It moves, realizes the effect that centering clamps.Under normal circumstances, not using machining accuracy when common scroll chuck gripping sleeve class work pieces process
Height, when especially being clamped to thin-wall sleeve workpiece, the clamping force of scroll chuck is difficult to grasp, and is easy that sleeve workpiece is made to deform.Needle
To such case, Chinese utility model patent that Authorization Notice No. CN202240887U, authorized announcement date are 2012.05.30
A kind of elastic membrane chuck of inner hole grinding is disclosed, which is connect by clamp body with grinding machine spindle, claw
It is fixed on clamp body by screw, ten positioning bolts are mounted on claw, and cover parts pass through the positioning on claw and claw
Bolt and support nail are accurately positioned, and the propulsion of pull rod release can be such that claw deforms, to control cover parts clamping and
It unclamps.But the pull rod of the flexible sheet is located at the centre position of side of the clamp body far from claw, when clamp body is installed to machine
Inconvenient adjusting yoke after on bed, it is necessary to the driving mechanism for individually driving pull rod be set on lathe, lead to the structure of lathe
Become complicated.
Utility model content
The purpose of this utility model is to provide a kind of flexible sheet positioning devices, to solve elastic membrane in the prior art
Realize the pull rod of claw deformation the problem of being inconvenient to adjust after clamp body is installed to lathe in piece chuck.
To achieve the above object, the first technical solution of the utility model flexible sheet positioning device is：Flexible sheet
Positioning device includes axially disposed pedestal, and the pedestal is equipped with chuck, and the chuck includes chuck body and at least two
A claw being arranged in chuck body for being positioned to workpiece, the pedestal are interior equipped with axial arranged for squeezing along pedestal
Chuck body is pressed so that the yoke frame that the claw in chuck body opens, pedestal upper edge is perpendicular to base axis direction slidable fit
It is useful for the actuator of driving yoke frame work, actuator is equipped with for coordinating to drive with yoke frame pushing tow in sliding process
The pushing tow structure of dynamic yoke frame work.
Second of technical solution of the utility model flexible sheet positioning device be：It is positioned in the utility model flexible sheet
On the basis of the first technical solution of device, the pushing tow structure is the actuator inclined-plane being arranged on actuator.
The third technical solution of the utility model flexible sheet positioning device is：It is positioned in the utility model flexible sheet
On the basis of second of technical solution of device, one end end face of the yoke frame far from chuck body is inclined-plane, the driving
Part is equipped with groove, and a cell wall of groove constitutes the actuator inclined-plane.Actuator can be ensured by being slidably matched by inclined-plane
It is more uniform to the transmission of the power of yoke frame, it is convenient for promotion of the actuator to yoke frame.
4th kind of technical solution of the utility model flexible sheet positioning device be：It is positioned in the utility model flexible sheet
On the basis of the third technical solution of device, the groove is V-groove.It can step down to yoke frame.
5th kind of technical solution of the utility model flexible sheet positioning device be：It is positioned in the utility model flexible sheet
On the basis of the first of device to the 4th kind of any one technical solution, the yoke frame be equipped with for pushing tow structure top
Push away the yoke frame inclined-plane of cooperation.
6th kind of technical solution of the utility model flexible sheet positioning device be：It is positioned in the utility model flexible sheet
On the basis of the first of device to the 4th kind of any one technical solution, it is equipped between the actuator and pedestal for making drive
The resetting spring that moving part automatically resets after by pressure.The downward displacement for adjusting position limiting structure, passes through the active force of resetting spring
Actuator is set to move down, to drive yoke frame to push chuck body that claw is made to deform.
7th kind of technical solution of the utility model flexible sheet positioning device be：It is positioned in the utility model flexible sheet
On the basis of 6th kind of technical solution of device, it is threaded on pedestal and coordinates to limit actuator with actuator top pressure
Screwing operation part.It is connected through a screw thread manual limit, is conveniently operated, and reduces cost.
8th kind of technical solution of the utility model flexible sheet positioning device be：It is positioned in the utility model flexible sheet
On the basis of 7th kind of technical solution of device, the screwing operation part includes the major diameter section being connect with base thread and is in big
Path section of the diameter section far from actuator side, the one end of the path section far from major diameter section are equipped with nut, the screwing operation part
Coordinated by major diameter section and actuator top pressure.
9th kind of technical solution of the utility model flexible sheet positioning device be：It is positioned in the utility model flexible sheet
On the basis of 6th kind of technical solution of device, the one end of the resetting spring far from actuator is equipped with for limiting resetting spring
The plug of position.Plug is connect with base thread, the size of action of reset spring power can be adjusted by rotation, while can also be from
It is removed on pedestal, is convenient for the installation of resetting spring.
Tenth kind of technical solution of the utility model flexible sheet positioning device be：It is positioned in the utility model flexible sheet
On the basis of the first of device to the 4th kind of any one technical solution, it is threaded on the pedestal and is rotated with actuator
The screwing operation part of cooperation, screwing operation part coordinate in actuator glide direction upper limit to drive actuator to slide with actuator
It is dynamic.The use that resetting spring can be reduced keeps structure simpler.
A kind of tenth technical solution of the utility model flexible sheet positioning device is：It is fixed in the utility model flexible sheet
On the basis of the first of position device to the 4th kind of any one technical solution, the claw is equipped with radially to be prolonged along chuck body
The mounting hole stretched is equipped with the clamping and positioning part for being clamped positioning to workpiece in the mounting hole.Clamping and positioning part energy
It is enough that positioning is clamped to the workpiece of different-diameter, and can be finely adjusted, to ensure the precision of positioning.
12nd kind of technical solution of the utility model flexible sheet positioning device be：It is fixed in the utility model flexible sheet
On the basis of the first of position device to the 4th kind of any one technical solution, the yoke frame is close to one end end of chuck body
Face is arc surface.
The utility model has the beneficial effects that：This positioning device includes pedestal and the chuck that is arranged on pedestal, in chuck
Chuck body on claw is set, so that workpiece is positioned and is clamped by the deformation of the even resilient of claw stress, and by vertical
Yoke frame is driven to squeeze chuck body in the pushing tow structure on the actuator of base axis in order to which workpiece to be placed in chuck；
Actuator can carry out adjusting actuator by the structure at actuator both ends, so that the pushing tow structure of actuator drives yoke frame
Work, is also easily achieved the deformation of claw, and simple in structure, accurate positioning, improves after so that positioning device is installed to lathe
The efficiency of work.
Description of the drawings
Fig. 1 is the structural schematic diagram of the specific embodiment one of the utility model flexible sheet positioning device；
Fig. 2 is the right view of flexible sheet positioning device in Fig. 1；
Fig. 3 is the sectional view of the right view of flexible sheet positioning device in Fig. 1；
Fig. 4 is the structural schematic diagram of the specific embodiment two of the utility model flexible sheet positioning device；
Fig. 5 is the structural schematic diagram of the specific embodiment three of the utility model flexible sheet positioning device；
Fig. 6 is the structural schematic diagram of the specific embodiment four of the utility model flexible sheet positioning device；
Fig. 7 is the structural schematic diagram of the specific embodiment five of the utility model flexible sheet positioning device；
Fig. 8 is the structural schematic diagram of the specific embodiment six of the utility model flexible sheet positioning device.
Specific implementation mode
The embodiment of the utility model is described further below in conjunction with the accompanying drawings.
The specific embodiment one of the flexible sheet positioning device of the utility model, as depicted in figs. 1 and 2, flexible sheet is fixed
Position device includes the pedestal 8 in axial direction arranged, chuck is provided on pedestal 8, chuck and pedestal 8 are bolted on one
It rises, in other embodiments, pedestal 8 and chuck can be welded directly together.Chuck includes chuck body 11, chuck body
11 are equipped with claw 3, and claw 3 is equipped with clamping and positioning bolt 1, and in the present embodiment, the quantity of claw 3 is ten, clamping and positioning
Bolt 1 is corresponded with claw 3, and in other embodiments, the quantity of claw can be two or more；Claw 3 is equipped with along axis
To the support nail 2 for carrying out axially position to workpiece 12, support nail 2 is parallel with the axis of pedestal 8, in the present embodiment, support
Nail 2 is fixed on by welding on claw 3, and in other embodiments, one end of support nail is equipped with external screw thread, is set on claw
There are internal thread, claw and support nail to be connected through a screw thread；In the present embodiment, the quantity of claw 3 is ten, the quantity of support nail 2
It it is five, 2 arranged for interval of support nail is on the claw 3 of chuck body 11, and in other embodiments, support nail can not be spaced cloth
It sets on the claw of chuck body or the quantity of support nail can be identical as the quantity of claw, one is arranged on each claw
Support nail, support nail is for ensureing stability of the workpiece in clamping and positioning.
It is equipped in the present embodiment, in pedestal 8 axial arranged for squeezing chuck body 11 so that chuck body 11 along pedestal
On the propulsion arm 4 that opens of claw, propulsion arm 4 constitutes yoke frame, and the cross section of propulsion arm 4 is circle, is existed convenient for propulsion arm 4
Sliding in pedestal 8, in other embodiments, propulsion arm 4 or ellipse or rectangular；Propulsion arm 4 is close to chuck body 11
One end end face be arc surface, propulsion arm 4 is by arc surface top pressure chuck body 11, and in other embodiments, propulsion arm is close
One end end face of chuck body can be plane；One end end face of the propulsion arm 4 far from chuck body 11 is propulsion arm inclined-plane, pushing tow
Bar inclined-plane constitutes yoke frame inclined-plane, and propulsion arm inclined-plane is used for the cooperation of drive rod 5 in pedestal 8 to realize the opening of claw 3.
In the present embodiment, as shown in Figures 2 and 3, the drive rod 5 perpendicular to propulsion arm 4, drive rod 5 are additionally provided in pedestal 8
Cross section be circle.One end of drive rod 5 is equipped with resetting spring 10, and the one end of resetting spring 10 far from drive rod 5 is equipped with stifled
First 9, plug 9 plays position-limiting action to resetting spring；The other end of drive rod 5 is equipped with screwing operation part, and screwing operation part includes big
Diameter section 7,7 top pressure of major diameter section is on drive rod 5 and Screw assembly is in the inside of pedestal 8, side of the major diameter section 7 far from drive rod 5
It is welded and connected with path section 6, the one end of path section 6 far from major diameter section 7 is equipped with nut；Drive rod 5 be equipped with for propulsion arm 4
The cooperation of propulsion arm inclined-plane V-groove 13, upper wall surface and the propulsion arm inclined-plane of V-groove 13 be slidably matched, the upper wall surface of V-groove 13
Actuator inclined-plane is constituted, the angle between two inclined-planes of V-groove 13 is not less than 90 °, in other embodiments, can will be big
Diameter section and path section are substituted for and major diameter section diameter plug of a size.
When work, flexible sheet positioning device is mounted on the ring flange of machine tool chief axis, one by one by clamping and positioning bolt 1
It screws in claw 3, the length of screw-in is determined according to the diameter of workpiece 12；Then the nut in path section 6, path are rotated
Section 6 drives major diameter sections 7 to rotate and simultaneously moves downward, at this time drive rod 5 under the active force of resetting spring 10 as major diameter section 7 is downward
Movement, propulsion arm 4 are driven the ramp effect of bar 5, move right, and chuck body 11 is made to deform, and then claw 3 is made to send out
The shape that changes and open；Workpiece 12 is put into flexible sheet positioning device, the nut in path section 6 is then reversely rotated, makes driving
Bar 5 moves upwardly together under the action of major diameter section 7, at this time 11 recoverable force of chuck body, and propulsion arm 4 is in chuck body 11
Effect is lower to be resetted, and claw 3 is shunk and locating clip clamping of workpieces 12；It dismantles also such when workpiece 12.If the diameter of workpiece 12 occurs
Variation can suitably clamp workpiece 12 by adjusting the clamping and positioning bolt 1 on claw 3, nut check is used in combination.
The specific embodiment two of the flexible sheet positioning device of the utility model：As shown in figure 4, with specific embodiment one
The difference is that being not provided with resetting spring and plug on drive rod 5, it is threaded on pedestal 8 and is rotatably assorted with drive rod 5
Screwing operation part, screwing operation part includes pull-push piece 16, and the one end of pull-push piece 16 far from drive rod 5 is equipped with major diameter section 15, greatly
The peripheral surface of diameter section 15 and the internal face screw-thread fit of pedestal 8；The one end of major diameter section 15 far from pull-push piece 16 is equipped with path section 14,
Path section 14 is equipped with the one end of nut or major diameter section 15 far from pull-push piece 16 and is equipped with interior hexagonal groove, uses die nut
The round push-and-pull block of rotation.
The specific embodiment three of the flexible sheet positioning device of the utility model：As shown in figure 5, with specific embodiment one
The difference is that the one end of the resetting spring 10 far from drive rod 5 is not provided with plug.
The specific embodiment four of the flexible sheet positioning device of the utility model：As shown in fig. 6, with specific embodiment one
The difference is that the yoke frame 4 is plane close to one end end face of chuck body 11.
The specific embodiment five of the flexible sheet positioning device of the utility model：As shown in fig. 7, with specific embodiment one
The difference is that the V-groove 13 is V-groove of the angle between two inclined-planes less than 90.
The specific embodiment six of the flexible sheet positioning device of the utility model：As shown in figure 8, with specific embodiment one
The difference is that one end end face of the yoke frame 4 far from chuck body 11 is arc surface.
In other embodiments, driving mechanism includes drive rod and major diameter section, and major diameter section is equipped with close to one end of drive rod
Bearing, drive rod rolling assembling is in major diameter section and can move up and down with major diameter section, the one end of major diameter section far from drive rod
Weld together with path section, drives the rotation of major diameter section, major diameter section to drive drive rod downward by the nut rotated in path section
Promotion of the drive rod to propulsion arm is realized in movement；In other embodiments, support nail can be not provided on claw；In other realities
It applies in example, yoke frame is plane close to one end end face of chuck body；In other embodiments, the center line and pedestal of propulsion arm
Center line can be misaligned.
Claims (12)
1. a kind of flexible sheet positioning device, it is characterised in that：Including axially disposed pedestal, the pedestal is equipped with card
Disk, the chuck include that the claw for being used for being positioned to workpiece, institute is arranged in chuck body in chuck body and at least two
It states and is equipped in pedestal along the axial arranged yoke frame for being used to squeeze chuck body so that the claw in chuck body opens of pedestal, base
Seat upper edge is useful for the actuator of driving yoke frame work perpendicular to base axis direction slidable fit, and actuator is equipped with and is used for
Coordinate to drive the pushing tow structure of yoke frame work with yoke frame pushing tow in sliding process.
2. flexible sheet positioning device according to claim 1, it is characterised in that：The pushing tow structure is that setting is driving
Actuator inclined-plane on part.
3. flexible sheet positioning device according to claim 2, it is characterised in that：The yoke frame is far from chuck body
One end end face is inclined-plane, and the actuator is equipped with groove, and a cell wall of groove constitutes the actuator inclined-plane.
4. flexible sheet positioning device according to claim 3, it is characterised in that：The groove is V-groove.
5. flexible sheet positioning device according to any one of claims 1-4, it is characterised in that：It is set on the yoke frame
It is useful for the yoke frame inclined-plane coordinated with pushing tow structure pushing tow.
6. flexible sheet positioning device according to any one of claims 1-4, it is characterised in that：The actuator and base
The resetting spring for making actuator automatically reset after by pressure is equipped between seat.
7. flexible sheet positioning device according to claim 6, it is characterised in that：It is threaded on pedestal and actuator
Top pressure coordinates the screwing operation part to be limited to actuator.
8. flexible sheet positioning device according to claim 7, it is characterised in that：The screwing operation part includes and pedestal
The major diameter section and the path section far from actuator side in major diameter section of threaded connection, the one end of the path section far from major diameter section
Equipped with nut, the screwing operation part is coordinated by major diameter section and actuator top pressure.
9. flexible sheet positioning device according to claim 6, it is characterised in that：The resetting spring is far from actuator
One end is equipped with the plug for being limited to resetting spring.
10. flexible sheet positioning device according to any one of claims 1-4, it is characterised in that：Spiral shell on the pedestal
Line is connected with the screwing operation part being rotatably assorted with actuator, and screwing operation part is with actuator in actuator glide direction upper limit
Cooperation is to drive actuator to slide.
11. flexible sheet positioning device according to any one of claims 1-4, it is characterised in that：It is set on the claw
There is the mounting hole radially extended along chuck body, the clamping being equipped in the mounting hole for being clamped positioning to workpiece is fixed
Position part.
12. flexible sheet positioning device according to any one of claims 1-4, it is characterised in that：The yoke frame leans on
One end end face of nearly chuck body is arc surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721779064.1U CN207873963U (en) | 2017-12-19 | 2017-12-19 | A kind of flexible sheet positioning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721779064.1U CN207873963U (en) | 2017-12-19 | 2017-12-19 | A kind of flexible sheet positioning device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207873963U true CN207873963U (en) | 2018-09-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721779064.1U Expired - Fee Related CN207873963U (en) | 2017-12-19 | 2017-12-19 | A kind of flexible sheet positioning device |
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| Country | Link |
|---|---|
| CN (1) | CN207873963U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109940510A (en) * | 2017-12-19 | 2019-06-28 | 河南奔马股份有限公司 | Flexible sheet positioning device |
| CN112476231A (en) * | 2020-11-26 | 2021-03-12 | 华虹半导体(无锡)有限公司 | Method for cleaning grinding head of chemical mechanical grinding process |
-
2017
- 2017-12-19 CN CN201721779064.1U patent/CN207873963U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109940510A (en) * | 2017-12-19 | 2019-06-28 | 河南奔马股份有限公司 | Flexible sheet positioning device |
| CN112476231A (en) * | 2020-11-26 | 2021-03-12 | 华虹半导体(无锡)有限公司 | Method for cleaning grinding head of chemical mechanical grinding process |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 461500 eastern part of Wei Wu Road, Changge, Xuchang, Henan Patentee after: SENYUAN AUTOMOBILE Co.,Ltd. Address before: 461500 eastern part of Wei Wu Road, Changge, Xuchang, Henan Patentee before: Henan Benma Co.,Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180918 Termination date: 20211219 |