CN106737302B - Floating type fixture - Google Patents
Floating type fixture Download PDFInfo
- Publication number
- CN106737302B CN106737302B CN201710047060.2A CN201710047060A CN106737302B CN 106737302 B CN106737302 B CN 106737302B CN 201710047060 A CN201710047060 A CN 201710047060A CN 106737302 B CN106737302 B CN 106737302B
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- Prior art keywords
- clamping
- positioning
- cylinder body
- piston
- piston bar
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B11/00—Work holders not covered by any preceding group in the subclass, e.g. magnetic work holders, vacuum work holders
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
-
- 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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Jigs For Machine Tools (AREA)
Abstract
The invention discloses a kind of floating type fixtures, object clamping cylinder includes that object clamps cylinder body, and there are two first pistons, a first piston to connect with a First piston bar for setting in object clamping cylinder body, First piston bar is fixedly connected with jaw, and two jaws are oppositely arranged；Fixture further includes that there are two the positioning clamping body of clamping part, clamping part and objects to clamp cylinder body rotation connection for tool；It further include positioning clamping cylinder, positioning clamping cylinder includes positioning clamping cylinder body, second piston is provided in positioning clamping cylinder body, second piston connects second piston bar, positioning clamping cylinder body and second piston bar are fixedly connected with a clamping part of positioning clamping body respectively, this structure positions after can be realized the first clamping to clamped workpiece, and clamping part and object clamp cylinder body rotation connection, floating type fixture is repositioned with the variation of clamped workpiece fulcrum and after free centering clamping, the deformation that workpiece can effectively be avoided, guarantees the quality pass rate of workpieces processing.
Description
Technical field
The invention belongs to clamping technical field of processing equipment, and in particular to a kind of floating type fixture.
Background technique
As the manufacturing transition and upgrade of industrial equipment and robot are carried, the application of clamping process technology, tooling is pressed from both sides
The requirement of tool is to high-endization, specialization, intelligent direction development.Especially in some light body workpiece (or weldment) processing necks
In domain, because the rigid of workpiece itself is poor, crawl clamping space is narrow, and clamped face is poor with system, extremely easy to press from both sides
Tight rebound deformation phenomenon, leads to the reduction of Workpiece Machining Accuracy qualification rate, and manufacturing cost is substantially improved.
It is being similar to light body component as Salar light-gathering Glass plate support at present, is being easy to produce during the welding process
Deformation, or due to the error of welding surface, when workpiece is during clamping, meeting cause workpiece to be pressed from both sides because of the deformation of fulcrum
It is next, it is easy to produce torque rebound after the completion of machine operations, in turn results in mach error, influences the essence of work pieces process
Degree.Or since workpiece is during clamping crawl by manipulator, since the clamping face between manipulator and workpiece is unstable
And lead to the deformation for being crawled workpiece, to influence the quality pass rate of workpiece.
Summary of the invention
The technical problems to be solved by the present invention are: providing a kind of floating type fixture, workpiece can first be clamped and be positioned afterwards,
I.e. fixture is repositioned with the variation of clamped workpiece fulcrum and after free centering clamping, avoids the deformation of workpiece, guarantees workpiece
Quality pass rate.
In order to solve the above technical problems, the technical scheme is that floating type fixture, comprising: object clamping cylinder, it is described
Object clamping cylinder includes that object clamps cylinder body, first piston there are two settings in the object clamping cylinder body, and one described first
Piston is connect with a First piston bar, and the First piston bar is fixedly connected with jaw, and two jaws are oppositely arranged；Its
It is characterized in that, the fixture further includes positioning clamping body, and there are two clamping part, the clamping part and institutes for the positioning clamping body tool
It states object and clamps cylinder body rotation connection；Positioning clamping cylinder, the positioning clamping cylinder include positioning clamping cylinder body, and the positioning clamps
Second piston is provided in cylinder body, the second piston connects second piston bar, and the positioning clamping cylinder body and described second live
Stopper rod is fixedly connected with a clamping part of the positioning clamping body respectively.
Further, the clamping part of the positioning clamping body and the object clamp cylinder body ball-joint.
Further, the object clamps cylinder body and is connected with centering sphere, two clamping parts folder of the positioning clamping body
Hold the centering sphere.
Further, the positioning clamping body and object clamping Boring mill are hinged.
Further, the fixture further includes positioning joint axis, and the positioning joint axle sleeve is set to the positioning clamping body
Mounting hole in, two clamping parts of the positioning clamping body clamp the positioning joint axis.
Further, the second piston bar is set between the centering sphere and the positioning joint axis.
Further, it is arranged with the first spring in the First piston bar, the second bullet is arranged in the second piston bar
Spring.
Further, the positioning joint axis is integrated axis or the positioning joint axis is two sections of axis being oppositely arranged.
Further, the object clamps cylinder body and is provided with guide rail, and the jaw is slidably mounted on the guide rail.
By adopting the above-described technical solution, the beneficial effects of the present invention are:
Floating type fixture of the invention, object clamping cylinder include that object clamps cylinder body, are provided with two in object clamping cylinder body
A first piston, a first piston are connect with a First piston bar, and First piston bar is fixedly connected with jaw, two jaws
It is oppositely arranged, two jaws can clamp workpiece；Fixture further includes that there are two the positioning clamping body of clamping part, clamping part and objects for tool
Part clamps cylinder body rotation connection；It further include positioning clamping cylinder, positioning clamping cylinder includes positioning clamping cylinder body, in positioning clamping cylinder body
It is provided with second piston, second piston connects second piston bar, and positioning clamping cylinder body and second piston bar are clamped with positioning respectively
One clamping part of body is fixedly connected, and this structure positions after can be realized the first clamping to clamped workpiece, and clamping part
Cylinder body rotation connection is clamped with object, is adjusted by rotation, floating type fixture freedom with the variation of clamped workpiece fulcrum
Centering simultaneously steps up rear repositioning, can effectively avoid the deformation of workpiece, guarantee the quality pass rate of workpieces processing.
It is arranged with the first spring on the first piston of object clamping cylinder, is arranged in the second piston bar of positioning clamping cylinder
There is second spring, so that floating type adjusting is more flexible, so that floating type fixture adjusts more the positioning of clamped workpiece
Add flexibly.
Positioning joint axle sleeve is set in the mounting hole of positioning clamping body, and two clamping part clamping positions for positioning clamping body close
Nodal axisn, positioning clamping body can be moved along positioning joint axis, while can also be rotated around positioning joint axis, and fixture can be real
Now preferably adjust；Positioning joint axis can be set to be oppositely arranged two sections of axis, can save material in this way, reduce cost.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of floating type fixture (use state) of the invention；
Fig. 2 is the left view of floating type fixture in Fig. 1；
In figure, the first jaw of 11-, the second jaw of 12-, the first jaw seat of 21-, the second jaw seat of 22-, 30- first piston,
31- First piston bar, 32- second piston bar, 40- second piston, the first spring of 41-, 42- second spring, 5- object clamping cylinder,
6- centering sphere, 7- position clamping body, 8- positioning joint axis, 9- bracket, 10- positioning clamping cylinder.
Specific embodiment
Present invention will be further explained below with reference to the attached drawings and examples.
In the description of this specification, it is to be understood that the orientation or position of the descriptions such as " upper surface ", " lower surface "
Relationship is orientation or positional relationship based on the figure, it is only for convenient for the description present invention and simplify description, without
It is that the device of indication or suggestion meaning or element must have a particular orientation, be constructed and operated in a specific orientation, therefore not
It can be interpreted as limitation of the present invention.
In conjunction with shown in Fig. 1 and Fig. 2, the object clamping cylinder 5 of floating type fixture includes that object clamps cylinder body, object clamping cylinder
There are two first piston 30, a first piston 30 is connect with a First piston bar 31 for setting in vivo, and the of object clamping cylinder 5
One piston rod 31 is fixedly connected with jaw, i.e., one of First piston bar 31 is solid by the first jaw seat 21 and the first jaw 11
Fixed connection, another First piston bar 31 be fixedly connected by the second jaw seat 22 with the second jaw 12 or jaw and it is right
The jaw seat answered is structure as a whole, and two jaws are oppositely arranged on the upper surface that object clamps cylinder body, workpiece to be processed
It is just placed between two jaws.
Object clamping cylinder 5 can use pneumatic control or hydraulic control mode.It can also be covered in First piston bar 31
Equipped with the first spring 41, so, object clamping cylinder 5 can be made more flexible to the adjusting of First piston bar 31, in turn
It is more flexible to the adjusting for the jaw being fixedly connected with First piston bar 31.
Object clamp cylinder body on be provided with guide rail, jaw is slidably mounted on guide rail, to jaw in the process of moving into
Row guiding, guide rail can be the form of dovetail groove, it is of course also possible to be that other conventionally forms can play leading for guiding role
Rail form.
The positioning clamping body 7 for clamping cylinder body rotation connection with object has there are two clamping part, positions the clamping part of clamping body 7
Cylinder body ball-joint is clamped with object, when passing through ball-joint, object clamps cylinder body and is connected with centering sphere 6, i.e., in object clamping cylinder
It is fixedly connected with centering sphere 6 below body, can be fixedly connected by welding, it is of course also possible to often by other
The mode that is fixedly connected of rule is attached；Two clamping parts for positioning clamping body 7 clamp centering sphere 6, in order to realize rotation
Connection.It positions the clamping part of clamping body 7 and object clamps cylinder body and can also hingedly be realized by axis.
Floating type fixture further includes positioning clamping cylinder 10, and it is living that second is provided in the positioning clamping cylinder body of positioning clamping cylinder 10
Plug 10, second piston 10 connect second piston bar 32, positioning clamping cylinder body and second piston bar 32 respectively with positioning clamping body 7
One clamping part is fixedly connected.Positioning clamping cylinder 10 can use pneumatic control or hydraulic control mode.It can also be second
It is arranged with second spring 42 on piston rod 32, so, adjusting of the positioning clamping cylinder 10 to second piston bar 32 can be made
It is more flexible, so that the clamping part of positioning clamping body 7 is more flexible to the clamping positioning of centering sphere 6 or axis.
Floating type fixture further includes positioning joint axis 8, and positioning joint axis 8 is sheathed in the mounting hole of positioning clamping body 7, fixed
Two clamping part clamping position joint shafts 8 of position clamping body 7.In order to which the structure of entire fixture arranges more reasonable, second piston
Bar 32 is set between centering sphere 6 and positioning joint axis 8, and centering sphere 6 is interfered with second piston bar 32 in order to prevent,
Centering sphere 6 can be irregular sphere.Positioning joint axis 8 is integrated axis or positioning joint axis 8 is two be oppositely arranged
Section axis.Positioning joint axis 8 can be two sections of axis being oppositely arranged, and can save material in this way, reduce cost；And can also be
There are enough accommodating spaces for second piston bar 32, will not interfere phenomenon.
There are gaps between the lower surface of object clamping cylinder body and the upper surface for positioning clamping body, convenient for floating type fixture
It adjusts.
When using floating type clamp workpiece of the invention, first put the workpiece in the jaw that two are oppositely arranged,
Jaw clamps workpiece.Floating type fixture is fixed on bracket 9 or manipulator, and screw can be used and be fixed, or is used
Other conventional modes that are fixedly connected are fixedly connected, and the present invention is without limitation.Object clamping cylinder 5 and positioning clamping cylinder 10 divide
It does not work, clamped workpiece is adjusted, clamped workpiece can be adjusted from each freedom degree, to workpiece
After being clamped positioning, the rebound of torque will not be caused, effectively avoid the deformation of workpiece, guarantee the up-to-standard of workpieces processing
Rate.
Claims (7)
1. floating type fixture, comprising:
Object clamping cylinder, the object clamping cylinder include that object clamps cylinder body, and there are two for setting in the object clamping cylinder body
One piston, a first piston are connect with a First piston bar, and the First piston bar is fixedly connected with jaw, and two
The jaw is oppositely arranged；It is characterized in that, the fixture further includes
Clamping body is positioned, there are two clamping part, the clamping part and the objects to clamp cylinder body rotation for the positioning clamping body tool
Connection；
Positioning clamping cylinder, the positioning clamping cylinder include positioning clamping cylinder body, and it is living that second is provided in the positioning clamping cylinder body
Plug, the second piston connect second piston bar, the positioning clamping cylinder body and the second piston bar respectively with the positioning
One clamping part of clamping body is fixedly connected；
The fixture further includes positioning joint axis, and the positioning joint axle sleeve is set in the mounting hole of the positioning clamping body, institute
Two clamping parts for stating positioning clamping body clamp the positioning joint axis；The positioning joint axis is two sections of axis being oppositely arranged.
2. floating type fixture as described in claim 1, which is characterized in that the clamping part and the object of the positioning clamping body
Clamp cylinder body ball-joint.
3. floating type fixture as claimed in claim 2, which is characterized in that the object clamps cylinder body and is connected with centering sphere,
Two clamping parts of the positioning clamping body clamp the centering sphere.
4. floating type fixture as described in claim 1, which is characterized in that the positioning clamping body and the object clamp cylinder body
Axis is hinged.
5. floating type fixture as claimed in claim 3, which is characterized in that the second piston bar is set to the centering sphere
Between the positioning joint axis.
6. floating type fixture as described in claim 1, which is characterized in that the first spring is arranged in the First piston bar,
Second spring is arranged in the second piston bar.
7. floating type fixture as described in claim 1, which is characterized in that the object clamps cylinder body and is provided with guide rail, described
Jaw is slidably mounted on the guide rail.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710047060.2A CN106737302B (en) | 2017-01-22 | 2017-01-22 | Floating type fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710047060.2A CN106737302B (en) | 2017-01-22 | 2017-01-22 | Floating type fixture |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106737302A CN106737302A (en) | 2017-05-31 |
| CN106737302B true CN106737302B (en) | 2019-08-27 |
Family
ID=58943898
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710047060.2A Active CN106737302B (en) | 2017-01-22 | 2017-01-22 | Floating type fixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106737302B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107855967B (en) * | 2017-12-23 | 2024-02-06 | 安徽航大智能科技有限公司 | Floating type plane positioning platform |
| CN108637308B (en) * | 2018-05-17 | 2020-02-07 | 潜山县福达橡胶刷业制品厂 | Brush disc drilling positioning device |
| CN111822741B (en) * | 2020-06-23 | 2021-05-28 | 泉州台商投资区飞翔机械设计服务中心 | Drilling device and method for annular array inclined holes in mechanical part |
| CN113560915B (en) * | 2021-06-19 | 2024-01-05 | 宜兴同展精密模架有限公司 | Multifunctional turnover workbench with safety protection function for die carrier machining |
| CN113732977B (en) * | 2021-09-10 | 2022-11-25 | 深圳市快速直接工业科技有限公司 | Fixing device for irregular part machining |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201891998U (en) * | 2010-12-13 | 2011-07-06 | 上海市紧固件和焊接材料技术研究所 | Universal positioning support |
| CN103100906A (en) * | 2012-12-12 | 2013-05-15 | 重庆巨康建材有限公司 | Hydraulic-type clamping device for thin-wall work piece |
| CN203062321U (en) * | 2012-12-14 | 2013-07-17 | 重庆洋迪机电有限公司 | Hydraulic fixture for shaft-type elements |
| EP2977145A1 (en) * | 2014-07-23 | 2016-01-27 | Gressel AG | Centrical tensioning device |
| CN205271488U (en) * | 2015-12-28 | 2016-06-01 | 浙江汉达机械有限公司 | From centering hydraulic pressure flat -nose pliers |
| CN105666204A (en) * | 2014-11-19 | 2016-06-15 | 周丽 | Mechanical workbench clamping tool |
| CN206426010U (en) * | 2017-01-22 | 2017-08-22 | 高密宏泰机床制造有限公司 | Floating type fixture |
-
2017
- 2017-01-22 CN CN201710047060.2A patent/CN106737302B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201891998U (en) * | 2010-12-13 | 2011-07-06 | 上海市紧固件和焊接材料技术研究所 | Universal positioning support |
| CN103100906A (en) * | 2012-12-12 | 2013-05-15 | 重庆巨康建材有限公司 | Hydraulic-type clamping device for thin-wall work piece |
| CN203062321U (en) * | 2012-12-14 | 2013-07-17 | 重庆洋迪机电有限公司 | Hydraulic fixture for shaft-type elements |
| EP2977145A1 (en) * | 2014-07-23 | 2016-01-27 | Gressel AG | Centrical tensioning device |
| CN105666204A (en) * | 2014-11-19 | 2016-06-15 | 周丽 | Mechanical workbench clamping tool |
| CN205271488U (en) * | 2015-12-28 | 2016-06-01 | 浙江汉达机械有限公司 | From centering hydraulic pressure flat -nose pliers |
| CN206426010U (en) * | 2017-01-22 | 2017-08-22 | 高密宏泰机床制造有限公司 | Floating type fixture |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106737302A (en) | 2017-05-31 |
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