CN207026993U - A kind of quick Self-positioning clamp of high accuracy - Google Patents
A kind of quick Self-positioning clamp of high accuracy Download PDFInfo
- Publication number
- CN207026993U CN207026993U CN201721013680.6U CN201721013680U CN207026993U CN 207026993 U CN207026993 U CN 207026993U CN 201721013680 U CN201721013680 U CN 201721013680U CN 207026993 U CN207026993 U CN 207026993U
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- positioning
- high accuracy
- card
- flexibly positioned
- quick self
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Abstract
It the utility model is related to a kind of quick Self-positioning clamp of high accuracy, portion, positioning sleeve and spring locator card are held out against including rotary drive, with what the rotary drive was coaxially disposed, the elastic positioning card is sheathed on the outside in the swelling portion, the elastic positioning card includes the flexibly positioned unit that multiple circumferentially equidistant linkages are set, the flexibly positioned stepped structure setting of unit, elastic positioning card forms multistage cylinder ladder, and the conical through-hole that installation is engaged with the swelling portion is offered inside it；Swelling portion, which is stretched out, acts on bellmouth, determine the radial direction tensioning of spring locator card, ring-shaped work pieces respectively using determine orthogonal setting on spring locator card the first axial plane and first end face as axially and radially positioning datum, realize that ring-shaped work pieces ensures high verticality and concentricity quick-clamping.
Description
Technical field
It the utility model is related to clamp art, more particularly to a kind of quick Self-positioning clamp of high accuracy.
Background technology
Fixture is to be used for during machine-building fixing processing object, is allowed to occupy correct position, with receive construction or
The device of detection.Turning attachment is to be used for the inside and outside surface of revolution of workpieces processing and the fixture of end face on lathe, and turning attachment is most
On main shaft, to clamp workpiece so that the axle center of workpiece is fixed, therefore, the end of common clamp workpiece will
It is clamped, and for some special workpiece, such as：, it is necessary to which turning, existing during cylindrical raceway groove for ring-shaped work pieces
Fixture for ring-shaped work pieces includes pull bar and clamping jaw, and clamping jaw is hook, and clamping jaw is located at the front end of pull bar, and pull bar passes through annular zero
In part, pull pull bar to be hooked with clamping jaw in the end face of ring-shaped work pieces, it is fixedly clamped.It is small and the internal diameter for working as ring-shaped work pieces is smaller
When 25mm, pull bar is needed through the ring-shaped work pieces inwall that internal diameter is below 25mm, and therefore, the diameter of pull bar is then necessarily less than
25mm, necessarily causes the low intensity of pull bar, and then causes the intensity decreases of clamping jaw, and fixed effect is poor.
Fig. 1, a kind of existing clamping mechanism shown in 2, ring-shaped work pieces 6 ' is enclosed on elastic positioning card 5 ', in top tight pieces 2 '
Swelling portion 22 ' stretch out the conical through-hole 54 ' that acts on elastic positioning card 5 ', carry out the radial direction swelling of elastic positioning card 5 ',
Ring-shaped work pieces 6 ' using the upper surface of positioning sleeve 3 ' and the axial plane of elastic positioning card 5 ' as axially and radially positioning datum, realizes ring respectively
The quick-clamping of shape part 6 '.
But due to the radial direction swelling of elastic positioning card 5 ', ring-shaped work pieces 6 ' and be using the upper surface of positioning sleeve 3 ' as axle
To positioning, the perpendicularity of end face is determined by technique, fixed to position split settings with support, it is difficult to ensure the vertical of ring-shaped work pieces 6 '
Radial run-out be present in processing in degree and concentricity, ring-shaped work pieces 6 '.
Utility model content
The present invention by using the elastic positioning card being wholely set ensure ring-shaped work pieces end face support and swelling positioning
Perpendicularity and coordinate swelling portion to its radiai adjustment act on, improve ring-shaped work pieces Set and Positioning axiality, solve existing skill
There is the technical problem of circular runout to achieve the above object in the positioning fixture in art, the utility model provides in use
Following technical scheme：
A kind of quick Self-positioning clamp of high accuracy, it is characterised in that including：
Rotary drive；
Top tight pieces, the top tight pieces engagement sleeves are located at the inside of the rotary drive, and the top tight pieces include and the rotation
Turn the close-fitting connecting portion of actuator and the swelling portion being fixedly connected with the connecting portion；
Elastic positioning card, the elastic positioning card are sheathed on the outside in the swelling portion, and the elastic positioning card includes multiple
The flexibly positioned unit that circumferentially equidistant linkage is set, the flexibly positioned stepped structure setting of unit are flexibly positioned
Card forms multistage cylinder ladder, and its ascender line direction is separately provided for coordinating the First for being arranged fixed parts to be processed
Rank and second step；
Positioning sleeve, the positioning sleeve engagement sleeves are on the second step, and its end face and the rotary drive
End face is connected；
The rotary drive, swelling portion, elastic positioning card, positioning sleeve and ring-shaped work pieces are coaxially disposed.
As an improvement, the multiple flexibly positioned units being circumferentially placed equidistant its be internally formed and the swelling
The conical through-hole that portion is engaged.
As an improvement, the outer shape in the swelling portion is taper.
The setting as an improvement, the swelling portion and connecting portion are formed in one, swelling end surface diameter are less than connecting portion end
Face diameter.
As an improvement, offer positioning hole in the middle part of the positioning sleeve.
As an improvement, the first step includes first end face and the first axial plane being arranged in a mutually vertical manner, second step bag
The second end face being arranged in a mutually vertical manner and the second axial plane are included, the outside diameter of the second axial plane is more than the outside diameter of the first axial plane.
As an improvement, the diameter D of the positioning hole and diameter d of the second axial plane that is arranged on the elastic positioning card it
Between relation be：D ＞ d.
As an improvement, the bottom of two neighboring flexibly positioned unit is integrally formed setting, is respectively formed between its upper end
One regulating tank, circumferentially direction is uniformly arranged first regulating tank.
As an improvement, the second regulating tank is offered along its axis direction on the flexibly positioned unit, second regulation
The bottom of the flexibly positioned unit is run through in the lower section that the upper end of groove is extended at the top of the flexibly positioned unit, its lower end.
The beneficial effects of the utility model are：
(1) the utility model elastic positioning card is using being wholely set, and swelling portion is in swelling elastic positioning card, ring-shaped work pieces
End face supports and swelling positioning is on elastic positioning card, improves ring-shaped work pieces end face support in the prior art and swelling positioning
The deficiency of split settings, it ensure that high verticality of the ring-shaped work pieces in clamping process；
(2) rotary drive, swelling portion, elastic positioning card, positioning sleeve and ring-shaped work pieces are coaxially disposed, and are on the one hand pressed from both sides
Tool can realize quick-clamping in clamping ring-shaped work pieces, save the clamping time, and another aspect rotary drive is whole in driving
Fixture can guarantee that the high concentricity between ring-shaped work pieces and fixture when rotating, reduce the appearance of circle bounce；
(3) bottom of the second regulating tank and two neighboring flexibly positioned unit is in axial direction offered on flexibly positioned unit
Portion is integrally formed setting, and the first regulating tank is respectively formed between its upper end, makes swelling portion when stretching into conical through-hole, flexibly positioned
Card can fully realize radial direction swelling, more firmly clamp ring-shaped work pieces.
In a word, the utility model has simple in construction a, firm grip, ensure high verticality of the ring-shaped work pieces in clamping and
The advantages that concentricity.
Brief description of the drawings
It is required in being described below to embodiment for the technical scheme of clearer explanation the utility model embodiment
The accompanying drawing used is briefly described, it should be apparent that, drawings discussed below is only some embodiments of the utility model,
For one of ordinary skill in the art, on the premise of not paying creative work, it can also be obtained according to these accompanying drawings
Obtain other accompanying drawings.
Fig. 1 is existing ring-shaped work pieces quick clamping mechanism structure sectional view；
Fig. 2 is existing ring-shaped work pieces quick clamping mechanism partial schematic diagram；
Fig. 3 is the utility model overall structure sectional view；
Fig. 4 is the utility model overall structure partial schematic diagram；
Fig. 5 is elastic positioning card structural representation in the utility model；
Fig. 6 is elastic positioning card cut-away diagram in the utility model.
Embodiment
The technical scheme in the embodiment of the utility model is clearly and completely illustrated below in conjunction with the accompanying drawings.
Embodiment one
Embodiment of the present utility model is described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning
Same or similar element is represented to same or similar label eventually or there is the element of same or like function.Below by ginseng
The embodiment for examining accompanying drawing description is exemplary, it is intended to for explaining the utility model, and it is not intended that to the utility model
Limitation.
In description of the present utility model, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width
Degree ", " thickness ", " on ", " under ", "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", " outer ",
The orientation or position relationship of the instructions such as " clockwise ", " counterclockwise " be based on orientation shown in the drawings or position relationship, be only for
Be easy to describe the utility model and simplify to describe, rather than instruction or imply signified equipment or element must have it is specific
Orientation, with specific azimuth configuration and operation, therefore it is not intended that to limitation of the present utility model.
In addition, term " first ", " second " are only used for describing purpose, and it is not intended that instruction or hint relative importance
Or the implicit quantity for indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can be expressed or
Implicitly include one or more this feature.In description of the present utility model, " multiple " are meant that two or two
More than, unless otherwise specifically defined.
As shown in figure 3, a kind of quick Self-positioning clamp of high accuracy, including：
Rotary drive 1；
Top tight pieces 2, the engagement sleeves of top tight pieces 2 are located at the inside of the rotary drive 1, and the top tight pieces 2 include and institute
State the close-fitting connecting portion 21 of rotary drive 1 and the swelling portion 22 being fixedly connected with the connecting portion 21；
Elastic positioning card 5, the elastic positioning card 5 are sheathed on the outside in the swelling portion 22, and the elastic positioning card 5 includes
The flexibly positioned unit 51 that multiple circumferentially equidistant linkages are set, the flexibly positioned 51 stepped structure setting of unit,
Its ascender line direction is separately provided for coordinating the first step 52 and second step 53 for being arranged stationary annular part 6；
Positioning sleeve 3, the engagement sleeves of positioning sleeve 3 are on the second step 53, and its end face and the rotation driving
The end face of part 1 is connected；
The rotary drive 1, swelling portion 22, elastic positioning card 5, positioning sleeve 3 and ring-shaped work pieces 6 are coaxially disposed,
Ensure the high concentricity between ring-shaped work pieces 6 and fixture, reduce the circle bounce of ring-shaped work pieces 6.
It should be noted that during fixture clamps, the internal diameter end face of ring-shaped work pieces 6 all the time with elastic positioning card 5
The first axial plane 522 be brought into close contact, improve perpendicularity of the ring-shaped work pieces 6 when self-positioning.
Further, as shown in figure 5, its internal shape of the multiple flexibly positioned units 51 being circumferentially placed equidistant
Into the conical through-hole 54 being engaged with the swelling portion 22, swelling portion 22, which is stretched into conical through-hole 54, realizes elastic positioning card 5
Radial direction swelling.
Further, the outer shape in the swelling portion 22 is taper, and swelling portion 22, which stretches into conical through-hole 54, makes elasticity fixed
Each face can synchronously realize outward radial swelling on position card 5, ensure to be sheathed on the height of ring-shaped work pieces 6 on the elastic positioning card 5
Perpendicularity.
Further, the swelling portion 22 and connecting portion 21 are formed in one setting, and the end face diameter in swelling portion 22 is less than
The diameter of the end face of connecting portion 21, swelling portion 22 can be extend into the conical through-hole of elastic positioning card 5 through positioning sleeve 3.
It should be noted that due to the elastic positioning card 5 for can radial direction relaxation set, the swelling portion 22 extend into bullet
In the conical through-hole 54 of property locator card 5, elastic positioning card 5 realizes radial direction swelling, clamps and is sheathed on the of the elastic positioning card 5
Ring-shaped work pieces 6 on one axial plane 522, while the backstop of ring-shaped work pieces 6 realizes making by oneself for ring-shaped work pieces 6 in first end face 521
Position.
Further, the middle part of the positioning sleeve 3 offers positioning hole 31, and positioning sleeve 3 is arranged by positioning hole 31 and bullet
Property locator card 5 the second axial plane 532 on and backstop in second end face 531, complete the positioning of elastic positioning card 5.
Further, the first step 52 includes the axial plane 522 of first end face 521 and first being arranged in a mutually vertical manner, the
Two steps 53 include the axial plane 532 of second end face 531 and second being arranged in a mutually vertical manner, and the outside diameter of the second axial plane 532 is more than
The outside diameter of first axial plane 522.
Further, the diameter D of the positioning hole 31 and the second axial plane 532 for being arranged on the elastic positioning card 5
Relation between diameter d is：D ＞ d, it is ensured that the energy outward radial swelling of elastic positioning card 5, will not be limited by positioning hole 31.
Further, as shown in figure 5, the bottom of two neighboring flexibly positioned unit 51 is integrally formed setting, its upper end
Between be respectively formed the first regulating tank 55, circumferentially direction is uniformly arranged first regulating tank 55.
Further, the second regulating tank 56 is offered on the flexibly positioned unit 51 along its axis direction, this second
The upper end of regulating tank 56 extends to the lower section at the flexibly positioned top of unit 51, and the bottom of the flexibly positioned unit 51 is run through in its lower end
Portion.
It should be noted that the second regulating tank 56 and two neighboring bullet are in axial direction offered on flexibly positioned unit 51
The bottom of property positioning unit 51 is integrally formed setting, the first regulating tank 55 is respectively formed between its upper end so that this is flexibly positioned
It is stronger to block the ability of 5 outside relaxation, ring-shaped work pieces 6 can be preferably clamped during outside swelling.
Embodiment two
Wherein with embodiment is a kind of identical or corresponding part use with one corresponding reference of embodiment, risen to be easy
See, hereafter only description and the distinctive points of embodiment one, the difference of the embodiment two and embodiment one is：As shown in figure 5,
The flexibly positioned unit 51 in the present embodiment is provided with the 3rd step 57, and the 3rd step includes the 3rd end face 571 and the
Three axial planes 572, it is set with the transition of second step 53, and first step 52, the step 57 of second step 53 and the 3rd are equal
Along the axis direction of the elastic positioning card 5 towards along the axis direction of the elastic positioning card 5 towards the direction of rotary drive 1
Setting rotary drive 1, transition is set successively.
The course of work：
The ring-shaped work pieces 6 is placed on elastic positioning card 5 and completes axial direction and footpath with first end face 521 and first end face 522
To self-positioning, while positioning sleeve 3 is placed on the axial plane 532 of elastic positioning card 5 second and backstop is fixed in being completed in second end face 531
, the swelling portion 22 in top tight pieces 2, which is stretched out, acts on conical through-hole 54, carries out the radial direction swelling of elastic positioning card 5, clamps ring
Shape part 6, rotary drive 1 drive whole fixture to rotate.
The foregoing description of the disclosed embodiments, make those skilled in the art do not depart from it is of the present utility model spirit and
In the case of scope, various changes or equivalence replacement can be carried out to these features and embodiment.In addition, of the present utility model
Under teaching, these features and embodiment can be modified new without departing from this practicality to adapt to particular situation and material
The spirit and scope of type.Therefore, the utility model is not limited to the particular embodiment disclosed, and falls with the application
Right in embodiment belong to the scope of protection of the utility model.
Claims (9)
- A kind of 1. quick Self-positioning clamp of high accuracy, it is characterised in that including：Rotary drive (1)；Top tight pieces (2), top tight pieces (2) engagement sleeves are located at the inside of the rotary drive (1), and the top tight pieces (2) include With the rotary drive (1) close-fitting connecting portion (21) and the swelling portion being fixedly connected with the connecting portion (21) (22)；Elastic positioning card (5), the elastic positioning card (5) are sheathed on the outside of the swelling portion (22), the elastic positioning card (5) The flexibly positioned unit (51) set including multiple circumferentially equidistant linkages, the stepped knot of flexibly positioned unit (51) Structure is set, and its ascender line direction is separately provided for the first step (52) and that cooperation is arranged stationary annular part (6) Two steps (53)；Positioning sleeve (3), positioning sleeve (3) engagement sleeves are on the second step (53), and its end face is driven with the rotation The end face of moving part (1) is connected；The rotary drive (1), swelling portion (22), elastic positioning card (5), positioning sleeve (3) and ring-shaped work pieces (6) are coaxial Set.
- 2. a kind of quick Self-positioning clamp of high accuracy as claimed in claim 1, it is characterised in that described circumferentially equidistant Set multiple flexibly positioned units (51) its be internally formed the conical through-hole (54) being engaged with the swelling portion (22).
- 3. a kind of quick Self-positioning clamp of high accuracy as claimed in claim 2, it is characterised in that outside the swelling portion (22) Shape is shaped as taper.
- 4. a kind of quick Self-positioning clamp of high accuracy as claimed in claim 1, it is characterised in that the swelling portion (22) is with connecting Socket part (21) is formed in one setting.
- 5. a kind of quick Self-positioning clamp of high accuracy as claimed in claim 1, it is characterised in that in the positioning sleeve (3) Portion offers positioning hole (31).
- A kind of 6. quick Self-positioning clamp of high accuracy as claimed in claim 5, it is characterised in that first step (52) bag Include the first end face (521) being arranged in a mutually vertical manner and the first axial plane (522), second step (53) include being arranged in a mutually vertical manner the Biend (531) and the second axial plane (532), the outside diameter of the second axial plane (532) are more than the cylindrical straight of the first axial plane (522) Footpath.
- A kind of 7. quick Self-positioning clamp of high accuracy as claimed in claim 6, it is characterised in that the positioning hole (31) it is straight Relation between the diameter d of footpath D and the second axial plane (532) being arranged on the elastic positioning card (5) is：D ＞ d.
- A kind of 8. quick Self-positioning clamp of high accuracy as claimed in claim 1, it is characterised in that two neighboring flexibly positioned list The bottom of first (51) is integrally formed setting, the first regulating tank (55) is respectively formed between its upper end, the first regulating tank (55) edge Circumferential direction is uniformly arranged.
- A kind of 9. quick Self-positioning clamp of high accuracy as claimed in claim 1, it is characterised in that the flexibly positioned unit (51) the second regulating tank (56) is offered on along its axis direction, the upper end of second regulating tank (56) extends to the elasticity and determined The bottom of the flexibly positioned unit (51) is run through in lower section at the top of bit location (51), its lower end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721013680.6U CN207026993U (en) | 2017-08-14 | 2017-08-14 | A kind of quick Self-positioning clamp of high accuracy |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721013680.6U CN207026993U (en) | 2017-08-14 | 2017-08-14 | A kind of quick Self-positioning clamp of high accuracy |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207026993U true CN207026993U (en) | 2018-02-23 |
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ID=61487571
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721013680.6U Expired - Fee Related CN207026993U (en) | 2017-08-14 | 2017-08-14 | A kind of quick Self-positioning clamp of high accuracy |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207026993U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109894999A (en) * | 2019-04-04 | 2019-06-18 | 金晖(中山)金属制造有限公司 | Accurate positioning fixture of watchcase |
| CN110174131A (en) * | 2019-05-17 | 2019-08-27 | 深圳阜时科技有限公司 | A kind of sensing mould group |
| CN110890630A (en) * | 2019-11-15 | 2020-03-17 | 广东博纬通信科技有限公司 | Packaging structure and packaging method of antenna outer cover |
| CN111496560A (en) * | 2020-06-08 | 2020-08-07 | 张云朋 | Linkage self-locking device for machine tool |
| CN112936171A (en) * | 2019-12-10 | 2021-06-11 | 国核电站运行服务技术有限公司 | Explosion valve shear cap assembly and disassembly tools |
| CN113176168A (en) * | 2021-04-28 | 2021-07-27 | 一汽解放汽车有限公司 | Running-in device for kinematic coupling |
-
2017
- 2017-08-14 CN CN201721013680.6U patent/CN207026993U/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109894999A (en) * | 2019-04-04 | 2019-06-18 | 金晖(中山)金属制造有限公司 | Accurate positioning fixture of watchcase |
| CN109894999B (en) * | 2019-04-04 | 2023-12-19 | 金晖(中山)金属制造有限公司 | Accurate positioning fixture for watchcase |
| CN110174131A (en) * | 2019-05-17 | 2019-08-27 | 深圳阜时科技有限公司 | A kind of sensing mould group |
| CN110890630A (en) * | 2019-11-15 | 2020-03-17 | 广东博纬通信科技有限公司 | Packaging structure and packaging method of antenna outer cover |
| CN112936171A (en) * | 2019-12-10 | 2021-06-11 | 国核电站运行服务技术有限公司 | Explosion valve shear cap assembly and disassembly tools |
| CN112936171B (en) * | 2019-12-10 | 2023-01-13 | 国核电站运行服务技术有限公司 | Explosion valve shear cap assembly and disassembly tools |
| CN111496560A (en) * | 2020-06-08 | 2020-08-07 | 张云朋 | Linkage self-locking device for machine tool |
| CN111496560B (en) * | 2020-06-08 | 2021-12-10 | 苏州屹高自控设备有限公司 | Linkage self-locking device for machine tool |
| CN113176168A (en) * | 2021-04-28 | 2021-07-27 | 一汽解放汽车有限公司 | Running-in device for kinematic coupling |
| CN113176168B (en) * | 2021-04-28 | 2023-02-28 | 一汽解放汽车有限公司 | Running-in device for kinematic coupling |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20181210 Address after: 435000 No. 681 Yanhu Road, Xialian District, Huangshi City, Hubei Province Patentee after: Huangshi Hatebur Precise Forging Co., Ltd. Address before: 313100 No. 498 Fangjiashan Road, Huzhou City, Zhejiang Province Patentee before: Huzhou Yichuang Bearing 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: 20180223 Termination date: 20190814 |