CN109759858A - Frock clamp - Google Patents
Frock clamp Download PDFInfo
- Publication number
- CN109759858A CN109759858A CN201910114219.7A CN201910114219A CN109759858A CN 109759858 A CN109759858 A CN 109759858A CN 201910114219 A CN201910114219 A CN 201910114219A CN 109759858 A CN109759858 A CN 109759858A
- Authority
- CN
- China
- Prior art keywords
- frock clamp
- conical surface
- clamping jaw
- outer circle
- central movable
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000000034 method Methods 0.000 abstract description 13
- 238000003754 machining Methods 0.000 abstract description 6
- 238000005516 engineering process Methods 0.000 abstract description 5
- 230000009977 dual effect Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 14
- 230000005489 elastic deformation Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
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- Jigs For Machine Tools (AREA)
- Gripping Jigs, Holding Jigs, And Positioning Jigs (AREA)
Abstract
The invention discloses a kind of frock clamps, including frock clamp ontology, central movable axis, expansion set, end face locating piece, outer circle clamping jaw and locking nut；The axle center of frock clamp ontology is provided with cavity, and the inner wall of the cavity is provided with screw thread, and central movable axle position is in the cavity, and central movable axis is connect by screw thread with frock clamp ontology pull rod screw；Expansion set is sheathed on central movable axis, and the conical surface on the inside of expansion set and the conical surface of central movable axis one end fit；End face locating piece is sheathed on expansion set, and outer circle clamping jaw is sheathed on the locating piece of end face, and locking nut is sheathed on outer circle clamping jaw, and the conical surface of outer circle clamping jaw and the conical surface on the inside of locking nut fit.Compared to existing technologies, the dual clamping to part to be processed may be implemented in the present invention, so that part to be processed be made to be unlikely to deform in process, can effectively promote machining accuracy.
Description
Technical field
The present invention relates to technical field of mechanical processing more particularly to a kind of frock clamps.
Background technique
Flexbile gear, that is, flexible gear generally has thin-walled cupuliform, thin wall cylinder-shaped or flat embedded etc. a variety of.
In flexbile gear production process, for thin-walled cupuliform, thin wall cylinder-shaped flexbile gear, the smallest wall thickness is 0.1mm, in reality
It is easily deformed in process, machining deformation will lead to that flexbile gear size is unstable, to influence the machining accuracy of flexbile gear, process good
Rate is low.
Summary of the invention
This application provides a kind of frock clamp, the lower technology of machining accuracy that can solve flexbile gear in the prior art is asked
Topic.
Specifically, the present invention provides a kind of frock clamp, the frock clamp include frock clamp ontology, central movable axis,
Expansion set, end face locating piece, outer circle clamping jaw and locking nut；
The axle center of the frock clamp ontology is provided with cavity, and the inner wall of the cavity is provided with screw thread, it is described in be indecisive and changeable
In the cavity, and the central movable axis passes through the screw thread and the frock clamp ontology pull rod screw and connects for moving axis position
It connects；
The expansion set is sheathed on the central movable axis, and the conical surface on the inside of the expansion set and the central movable axis one
The conical surface at end fits；
The end face locating piece is sheathed on the expansion set, and the outer circle clamping jaw is sheathed on the end face locating piece, institute
It states locking nut to be sheathed on the outer circle clamping jaw, and the conical surface of the outer circle clamping jaw and the conical surface phase on the inside of the locking nut
Fitting.
Optionally, the corresponding taper of the conical surface cone corresponding with the conical surface of central movable axis one end on the inside of the expansion set
It spends identical.
Optionally, the corresponding taper of the conical surface of outer circle clamping jaw taper corresponding with the conical surface on the inside of the locking nut
It is identical.
Optionally, the end face locating piece is threadedly coupled with the locking nut.
Optionally, the end face locating piece is provided with gas hole.
Optionally, the outer circle clamping jaw is provided with the cross sectional slot being spaced apart, and slot is cut in the longitudinal direction being spaced apart.
Optionally, the frock clamp when in use, workpiece to be processed folder be located at the expansion set and the outer circle clamping jaw it
Between.
Optionally, the workpiece to be processed is flexbile gear.
Optionally, the central movable axis, the expansion set, the end face locating piece, the outer circle clamping jaw and the locking
The axis of nut and the axis of workpiece to be processed are located along the same line.
Frock clamp provided by the present invention, including it is frock clamp ontology, central movable axis, expansion set, end face locating piece, outer
Circle clamping jaw and locking nut；The axle center of frock clamp ontology is provided with cavity, and the inner wall of the cavity is provided with screw thread, central movable
Axle position is in the cavity, and central movable axis is connect by screw thread with frock clamp ontology pull rod screw；Expansion set is sheathed on center
The conical surface of the conical surface and central movable axis one end on movable axis, and on the inside of expansion set fits；End face locating piece is sheathed on expansion set,
Outer circle clamping jaw is sheathed on the locating piece of end face, and locking nut is sheathed on outer circle clamping jaw, and the conical surface and locking screw of outer circle clamping jaw
The conical surface of female inside fits.Compared to existing technologies, the present invention passes through the conical surface and central movable axis one on the inside of expansion set
The primary clamping to part to be processed may be implemented in the conical surface at end, passes through the cone on the inside of the conical surface and locking nut of outer circle clamping jaw
The secondary clamping to part to be processed may be implemented in face, so that it is unlikely to deform part to be processed in process, Ke Yiyou
Effect promotes machining accuracy.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those skilled in the art without creative efforts, can also basis
These attached drawings obtain other attached drawings.
Fig. 1 is the section schematic diagram of frock clamp in the embodiment of the present invention；
Fig. 2 is the structural schematic diagram of frock clamp ontology 10 in the embodiment of the present invention；
Fig. 3 is the structural schematic diagram of central movable axis 20 in the embodiment of the present invention；
Fig. 4 is the structural schematic diagram of expansion set 30 in the embodiment of the present invention；
Fig. 5 is the structural schematic diagram of end face locating piece 40 in the embodiment of the present invention；
Fig. 6 is the structural schematic diagram of outer circle clamping jaw 50 in the embodiment of the present invention；
Fig. 7 is the structural schematic diagram of locking nut 60 in the embodiment of the present invention.
Specific embodiment
In order to make the invention's purpose, features and advantages of the invention more obvious and easy to understand, below in conjunction with the present invention
Attached drawing in embodiment, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described reality
Applying example is only a part of the embodiment of the present invention, and not all embodiments.Based on the embodiments of the present invention, those skilled in the art
Member's every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
Referring to Fig. 1, Fig. 1 is the section schematic diagram of frock clamp in the embodiment of the present invention, and in the present embodiment, above-mentioned tooling
Fixture includes frock clamp ontology 10, central movable axis 20, expansion set 30, end face locating piece 40, outer circle clamping jaw 50 and locking nut
60。
Wherein, the axle center of frock clamp ontology 10 is provided with cavity, and the inner wall of the cavity is provided with screw thread, central movable axis
20 are located in the cavity, and central movable axis 20 is connect by above-mentioned screw thread with 10 pull rod screw of frock clamp ontology.
Expansion set 30 is sheathed on central movable axis 20, and the conical surface and the conical surface phase of central movable axis one end of 30 inside of expansion set
Fitting.
End face locating piece 40 is sheathed on expansion set 30, and outer circle clamping jaw 50 is sheathed on end face locating piece 40, locking nut 60
It is sheathed on outer circle clamping jaw, and the conical surface of outer circle clamping jaw 50 and the conical surface on the inside of locking nut fit.
In use process, workpiece to be processed 70 is clipped between expansion set 30 and outer circle clamping jaw 50 above-mentioned frock clamp.Wherein,
By rotation center movable axis 20, so that the relative position of the conical surface of 30 inside of the conical surface of 20 one end of central movable axis and expansion set is sent out
Changing, so that the radial diameter of expansion set 30 be made to change.Specifically, being indecisive and changeable moving axis 20 in the middle into frock clamp ontology 10
When side is mobile, the radial diameter of expansion set 30 can due to the conical surface pressure and increase, at this point, expansion set 30 be just capable of fixing it is to be processed
The interior circle contour of workpiece 70.
Meanwhile by rotating locking nut 60, so that the conical surface of the conical surface and outer circle clamping jaw 50 of 60 inside of locking nut
Relative position changes, so that the radial diameter of outer circle clamping jaw 50 be made to change.Specifically, working as locking nut 60 to tooling
When 10 medial movement of chuck body, the radial diameter of outer circle clamping jaw 50 can due to the conical surface pressure and become smaller, at this point, outer circle clamping jaw
50 are just capable of fixing the excircle configuration of workpiece to be processed 70.
Wherein, it is indecisive and changeable among the above the axis of moving axis 20, expansion set 30, end face locating piece 40, outer circle clamping jaw 50 and locking nut 60
The axis of line and workpiece to be processed 70 is located along the same line.
Embodiment in order to better understand the present invention is frock clamp ontology 10 in the embodiment of the present invention referring to Fig. 2, Fig. 2
Structural schematic diagram.
It is the structural schematic diagram of central movable axis 20 in the embodiment of the present invention referring to Fig. 3, Fig. 3.Wherein, central movable axis
One end is provided with screw thread, and the other end is provided with the conical surface.
It is the structural schematic diagram of expansion set 30 in the embodiment of the present invention referring to Fig. 4, Fig. 4.Wherein, the conical surface pair of 30 inside of expansion set
The taper answered is identical as the corresponding taper of the conical surface of 20 one end of central movable axis.In addition, expansion set 30 be provided be spaced apart it is vertical
To slot is cut, to make expansion set 30 that there is preferably elastic deformation ability.
It is the structural schematic diagram of end face locating piece 40 in the embodiment of the present invention referring to Fig. 5, Fig. 5.
It is the structural schematic diagram of outer circle clamping jaw 50 in the embodiment of the present invention referring to Fig. 6, Fig. 6.Wherein, outer circle clamping jaw is provided with
Slot is cut in the cross sectional slot being spaced apart, and the longitudinal direction being spaced apart, so that outer circle clamping jaw 50 be made to have preferably elastic deformation
Ability.
It is the structural schematic diagram of locking nut 60 in the embodiment of the present invention referring to Fig. 7, Fig. 7.Wherein, locking nut 60 is interior
Side is provided with the conical surface, and the corresponding taper of conical surface taper corresponding with the conical surface of outer circle clamping jaw 50 is identical.In addition, locking nut
60 are threadedly coupled with end face locating piece 40.
Further, the specific installation method of above-mentioned frock clamp are as follows:
First expansion set 30 is mounted on central movable axis 20, central movable axis 20 is then encased in frock clamp ontology 10
In, after central movable axis 20 is fixed by screw thread and frock clamp ontology 10, expansion set 30 is clamped, with outside amesdial correction expansion set 30
Round precision.Further, it is packed into end face locating piece 40, is connect end face locating piece 40 with frock clamp ontology 10 with screw,
Then outer circle clamping jaw 50 is set on end face locating piece 40, after correction 50 inner hole of outer circle clamping jaw bounce, installation locking nut 60.
The specifically used method of above-mentioned frock clamp are as follows:
Charging: parts to be processed encapsulation being set on expansion set 30, and is attached to end face locating piece 40, by adjusting central movable
The position of axis 20 increases the radial diameter of expansion set 30, clamps the inner circle of parts to be processed, then lock locking nut 60,
Reduce the radial diameter of outer circle clamping jaw 50, clamps the outer circular edge of parts to be processed.Later, can to generation processing part into
Row processing.
Discharging: after process finishing, locking nut 60 is first unclamped, central movable axis 20 is then unclamped, with air gun to end face
The gas hole being arranged on locating piece 40 is blown, in order to take out parts to be processed.
Wherein, above-mentioned workpiece to be processed can be flexbile gear, i.e., the frock clamp provided in the present invention can be used to process
Flexbile gear.
Frock clamp provided by the embodiment of the present invention passes through the conical surface of 30 inside of expansion set compared to existing technologies
With the conical surface of 20 one end of central movable axis, the primary clamping to part to be processed 70 may be implemented, pass through the cone of outer circle clamping jaw 50
The conical surface of 60 inside of face and locking nut, may be implemented the secondary clamping to part to be processed 70, to make part to be processed 70
It is unlikely to deform in process, can effectively promote machining accuracy.
In addition, above-mentioned frock clamp also has the advantage that
One, structure is simple, and technical difficulty is not present in use process.
Two, the qualitative height of processing problems is not in that hardly possible takes, hardly possible fills or not clamping phenomenon.
Three, it can effectively shorten process time, improve efficiency.
In the above-described embodiments, it all emphasizes particularly on different fields to the description of each embodiment, there is no the portion being described in detail in some embodiment
Point, it may refer to the associated description of other embodiments.
The above are to a kind of description of frock clamp provided by the present invention, for those skilled in the art, foundation is originally
The thought of inventive embodiments, there will be changes in the specific implementation manner and application range, and to sum up, the content of the present specification is not
It is interpreted as limitation of the present invention.
Claims (9)
1. a kind of frock clamp, which is characterized in that the frock clamp includes frock clamp ontology, central movable axis, expansion set, end
Face locating piece, outer circle clamping jaw and locking nut；
The axle center of the frock clamp ontology is provided with cavity, and the inner wall of the cavity is provided with screw thread, the central movable axis
In the cavity, and the central movable axis is connect by the screw thread with the frock clamp ontology pull rod screw for position；
The expansion set is sheathed on the central movable axis, and the conical surface on the inside of the expansion set and central movable axis one end
The conical surface fits；
The end face locating piece is sheathed on the expansion set, and the outer circle clamping jaw is sheathed on the end face locating piece, the lock
Tight nut is sheathed on the outer circle clamping jaw, and the conical surface of the outer circle clamping jaw is affixed with the conical surface on the inside of the locking nut
It closes.
2. frock clamp as described in claim 1, which is characterized in that the corresponding taper of the conical surface on the inside of the expansion set with it is described
The corresponding taper of the conical surface of central movable axis one end is identical.
3. frock clamp as described in claim 1, which is characterized in that the corresponding taper of the conical surface of the outer circle clamping jaw with it is described
The corresponding taper of the conical surface on the inside of locking nut is identical.
4. frock clamp as described in claim 1, which is characterized in that the end face locating piece and the locking nut screw thread connect
It connects.
5. frock clamp as described in claim 1, which is characterized in that the end face locating piece is provided with gas hole.
6. frock clamp as described in claim 1, which is characterized in that the outer circle clamping jaw is provided with the cross sectional being spaced apart
Slot is cut in slot, and the longitudinal direction being spaced apart.
7. frock clamp as described in claim 1, which is characterized in that when in use, workpiece to be processed presss from both sides the frock clamp
Between the expansion set and the outer circle clamping jaw.
8. frock clamp as claimed in claim 7, which is characterized in that the workpiece to be processed is flexbile gear.
9. the frock clamp as described in claim 1 to 8 any one, which is characterized in that the central movable axis, described swollen
The axis of set, the axis of the end face locating piece, the outer circle clamping jaw and the locking nut and workpiece to be processed is located at same
On straight line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910114219.7A CN109759858B (en) | 2019-02-14 | 2019-02-14 | Work fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910114219.7A CN109759858B (en) | 2019-02-14 | 2019-02-14 | Work fixture |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109759858A true CN109759858A (en) | 2019-05-17 |
| CN109759858B CN109759858B (en) | 2021-01-12 |
Family
ID=66456100
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910114219.7A Active CN109759858B (en) | 2019-02-14 | 2019-02-14 | Work fixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109759858B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110757188A (en) * | 2019-12-10 | 2020-02-07 | 昆山光腾智能机械有限公司 | Positioning fixture for numerical control drilling and milling machining of cycloid disc |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102007006526B3 (en) * | 2007-02-06 | 2008-08-14 | Technische Universität Ilmenau | Device e.g. clamping bolt, for centric deformation-poor clamping of thin-walled pipe, has bracket compensation element provided at arm, and bracket fixed against jaws for pressing and clamping pipe against jaws |
| CN203184683U (en) * | 2013-03-07 | 2013-09-11 | 连云港职业技术学院 | Lathing fixture structure of thin-wall barrel-shaped parts |
| CN203579240U (en) * | 2013-11-27 | 2014-05-07 | 九江精密测试技术研究所 | Special fixture for machining inner circles of thin-walled sleeves |
| CN104858694A (en) * | 2014-02-23 | 2015-08-26 | 张鸿来 | Self-centering clamp for thin-walled part |
| CN205008929U (en) * | 2015-09-28 | 2016-02-03 | 重庆长安汽车股份有限公司 | Anchor clamps of processing solid of revolution thin wall part |
| CN206009896U (en) * | 2016-08-15 | 2017-03-15 | 西安伊克赛尔汽车新技术有限公司 | A kind of fixture of processing thin-wall part |
| CN206104924U (en) * | 2016-07-20 | 2017-04-19 | 江苏腾旋科技股份有限公司 | Dabber rises outward with a plurality of support point |
| CN206335153U (en) * | 2016-11-28 | 2017-07-18 | 中核四0四有限公司 | A kind of Thin Stainless Steel walled workpieces turning clamp |
| CN207373358U (en) * | 2017-08-02 | 2018-05-18 | 广州市昊志机电股份有限公司 | A kind of electro spindle |
| CN208451452U (en) * | 2018-07-16 | 2019-02-01 | 西安君度自动化技术有限公司 | Single two-sided clamping device of thrust |
-
2019
- 2019-02-14 CN CN201910114219.7A patent/CN109759858B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102007006526B3 (en) * | 2007-02-06 | 2008-08-14 | Technische Universität Ilmenau | Device e.g. clamping bolt, for centric deformation-poor clamping of thin-walled pipe, has bracket compensation element provided at arm, and bracket fixed against jaws for pressing and clamping pipe against jaws |
| CN203184683U (en) * | 2013-03-07 | 2013-09-11 | 连云港职业技术学院 | Lathing fixture structure of thin-wall barrel-shaped parts |
| CN203579240U (en) * | 2013-11-27 | 2014-05-07 | 九江精密测试技术研究所 | Special fixture for machining inner circles of thin-walled sleeves |
| CN104858694A (en) * | 2014-02-23 | 2015-08-26 | 张鸿来 | Self-centering clamp for thin-walled part |
| CN205008929U (en) * | 2015-09-28 | 2016-02-03 | 重庆长安汽车股份有限公司 | Anchor clamps of processing solid of revolution thin wall part |
| CN206104924U (en) * | 2016-07-20 | 2017-04-19 | 江苏腾旋科技股份有限公司 | Dabber rises outward with a plurality of support point |
| CN206009896U (en) * | 2016-08-15 | 2017-03-15 | 西安伊克赛尔汽车新技术有限公司 | A kind of fixture of processing thin-wall part |
| CN206335153U (en) * | 2016-11-28 | 2017-07-18 | 中核四0四有限公司 | A kind of Thin Stainless Steel walled workpieces turning clamp |
| CN207373358U (en) * | 2017-08-02 | 2018-05-18 | 广州市昊志机电股份有限公司 | A kind of electro spindle |
| CN208451452U (en) * | 2018-07-16 | 2019-02-01 | 西安君度自动化技术有限公司 | Single two-sided clamping device of thrust |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110757188A (en) * | 2019-12-10 | 2020-02-07 | 昆山光腾智能机械有限公司 | Positioning fixture for numerical control drilling and milling machining of cycloid disc |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109759858B (en) | 2021-01-12 |
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Effective date of registration: 20230110 Address after: 518000 101 201 301 401, Building 36, Cuigang Industrial Zone 4, Huaide Community, Fuyong Street, Bao'an District, Shenzhen, Guangdong Province Patentee after: SHENZHEN HAN'S MOTION TECHNOLOGY CO.,LTD. Address before: 518000 No. 9988 Shennan Road, Nanshan District, Shenzhen, Guangdong Patentee before: HAN'S LASER TECHNOLOGY INDUSTRY GROUP Co.,Ltd. Patentee before: SHENZHEN HAN'S MOTION TECHNOLOGY CO.,LTD. |
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Address after: 518103 Building 36, Cuigang Industrial Zone 4, Huaide Community, Fuyong Street, Bao'an District, Shenzhen City, Guangdong Province 101201301401 Patentee after: Shenzhen Shanchuan Harmonic Transmission Technology Co.,Ltd. Country or region after: China Address before: 518000 101 201 301 401, Building 36, Cuigang Industrial Zone 4, Huaide Community, Fuyong Street, Bao'an District, Shenzhen, Guangdong Province Patentee before: SHENZHEN HAN'S MOTION TECHNOLOGY CO.,LTD. Country or region before: China |