CN110405238A - A kind of novel turning fixture for processing - Google Patents
A kind of novel turning fixture for processing Download PDFInfo
- Publication number
- CN110405238A CN110405238A CN201910772549.5A CN201910772549A CN110405238A CN 110405238 A CN110405238 A CN 110405238A CN 201910772549 A CN201910772549 A CN 201910772549A CN 110405238 A CN110405238 A CN 110405238A
- Authority
- CN
- China
- Prior art keywords
- lead ring
- block
- shifting block
- displaced block
- driving lever
- 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.)
- Pending
Links
- 238000012545 processing Methods 0.000 title claims abstract description 21
- 230000009471 action Effects 0.000 claims abstract description 16
- 210000000078 claw Anatomy 0.000 claims description 7
- 230000007246 mechanism Effects 0.000 claims description 4
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 8
- 238000013461 design Methods 0.000 abstract description 4
- 230000011218 segmentation Effects 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 12
- 230000008569 process Effects 0.000 description 11
- 238000006073 displacement reaction Methods 0.000 description 5
- 230000008859 change Effects 0.000 description 2
- 230000000977 initiatory effect Effects 0.000 description 2
- 238000007634 remodeling Methods 0.000 description 2
- 230000003044 adaptive effect Effects 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 238000010923 batch production Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B31/00—Chucks; Expansion mandrels; Adaptations thereof for remote control
- B23B31/02—Chucks
- B23B31/10—Chucks characterised by the retaining or gripping devices or their immediate operating means
- B23B31/12—Chucks with simultaneously-acting jaws, whether or not also individually adjustable
- B23B31/16—Chucks with simultaneously-acting jaws, whether or not also individually adjustable moving radially
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B31/00—Chucks; Expansion mandrels; Adaptations thereof for remote control
- B23B31/02—Chucks
- B23B31/24—Chucks characterised by features relating primarily to remote control of the gripping means
- B23B31/30—Chucks characterised by features relating primarily to remote control of the gripping means using fluid-pressure means in the chuck
- B23B31/302—Hydraulic equipment, e.g. pistons, valves, rotary joints
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Jigs For Machine Tools (AREA)
Abstract
The present invention discloses a kind of novel turning fixture for processing, in which: the output end of movable connecting rod and hydraulic cylinder is fixedly and coaxially connected equipped；Functional lead ring is fixedly connected on the circumferential surface of movable connecting rod；Function lead ring is connect with three pinching action module activities；Three pinching action modules are arranged along the central axes of movable connecting rod in uniform circular array；Pinching action module includes displaced block, bulb shifting block and executing agency；Rotating body pin joint is free to rotate in the inside of displaced block；Shifting block is connected to the inside of executing agency far from one end of rotating body；Driving lever and the equipped connection of function lead ring；Displaced block card slot and the equipped connection of function lead ring；Shell body conical surface is provided on the internal circumferential surface of shell；Shell body conical surface is located at the lower section of displaced block.The utility model has the advantages that structurally reasonable, reliable operation；Has axial traction function；Has circumference to float function；Has centrifugal force compensation function；Has segmentation clamping function；Modularized design effectively reduces application cost.
Description
Technical field:
The present invention relates to machinery fields, and in particular to a kind of novel turning fixture for processing.
Background technique
Fixture is used to fix processing object during referring to machine-building, is allowed to occupy correct position, to receive construction
Or the device of detection, also known as fixture.In a broad sense, any process in technical process is used to rapidly, easily and safely
The device for installing workpiece, all can be described as fixture.
In use, have the following deficiencies place: clamping position inaccuracy causes traditional clamp for turning
Turner dimensional tolerance concentration degree is not high or even overproof scraps；Claw can only be moved radially along track, can not overcome workpiece shape
Position error caused by shape is overproof；Chucking power caused by chuck high speed rotation can not be overcome to lose；Automation connection is not can avoid
Manipulator is rigidly transferred and the equipment damage of initiation；It can not achieve quick-replaceable, influence the raising of production efficiency；It is not modularization
Design, replacement cost are high.
Summary of the invention
The purpose of the present invention is to provide a kind of structurally reasonable, reliable operations；Have axial traction function, avoids batch
Process can not 100% the problem of ensuring workpiece against positioning surface；Have circumference to float function, avoids input component ellipse
It spends and is scrapped caused by overproof clamping eccentricity issues or geometric accuracy is overproof；Have centrifugal force compensation function, avoids in vehicle
Clamping failure caused by having chucking power loss is cut in processing；Have segmentation clamping function, it is rigid to avoid automation of link manipulator
Property switching and cause equipment damage；Modularized design has modularization quick change function, and it is long to avoid the time of remodeling, can be effective
Reduce the novel turning fixture for processing of application cost.
The present invention is achieved by the following technical solutions:
A kind of novel turning fixture for processing of the present invention, including movable connecting rod, shell, function lead ring, displaced block, execution machine
Structure and hydraulic cylinder, in which: the output end of movable connecting rod and hydraulic cylinder is fixedly and coaxially connected equipped；It is fixed on the circumferential surface of movable connecting rod
Connect functional lead ring；Function lead ring is connect with three pinching action module activities；Three pinching action modules are along movable connecting rod
Central axes in uniform circular array arrange；Pinching action module includes displaced block, bulb shifting block and executing agency；Bulb shifting block
Including rotating body, shifting block and driving lever；Shifting block and driving lever are located in rotating body, are arranged in " L " shape；The end of shifting block is set as
It is spherical；Rotating body pin joint is free to rotate in the inside of displaced block；Shifting block is connected to execution far from one end of rotating body
The inside of mechanism；Driving lever extends to the outside of displaced block, with the equipped connection of function lead ring；Displaced block card is provided in displaced block
Slot；Displaced block card slot and the equipped connection of function lead ring；Movable connecting rod, function lead ring, displaced block and hydraulic cylinder are located at the interior of shell
Portion；Shell position right cylindrical shape shell；Shell body conical surface is provided on the internal circumferential surface of shell；Shell body conical surface is located under displaced block
Side.
Above-mentioned a kind of novel turning fixture for processing, in which: function lead ring includes driving lever lead ring, displaced block lead ring and end
Only lead ring；Driving lever lead ring, displaced block lead ring and termination lead ring are arranged successively arrangement from top to bottom, are fixedly and coaxially connected and connect in movement
On the circumferential surface of bar；A circle driving lever card slot is provided on the outer peripheral surface of driving lever lead ring；Driving lever comes out from displaced block internal stretch, clamping
In driving lever card slot；Displaced block lead ring is connected in displaced block card slot；Displaced block card slot is located at the lower section of bulb shifting block；Termination is led
Ring is located at the surface of hydraulic cylinder.
Above-mentioned a kind of novel turning fixture for processing, in which: the diameter of shell body conical surface lower end is less than the diameter of upper end.
Above-mentioned a kind of novel turning fixture for processing, in which: shifting block is connected in the cavity inside executing agency；It executes
The internal cavities of mechanism, the exterior contour with shifting block is geometrically being in similarity relation, and is greater than the exterior contour of shifting block；Rotation master
Body, shifting block and driving lever are connected in the internal cavities of displaced block；Shifting block extends to the outside of displaced block from rotating body, with execution
Mechanism connection；The internal cavities of displaced block exist with the exterior contour of the part of rotating body and shifting block, driving lever in displaced block
Geometrically it is in similarity relation, and is greater than the exterior contour.
A kind of above-mentioned novel turning fixture for processing, in which: the exterior contour of the shifting block of bulb shifting block and shifting block via
Rotating body is in smooth arc surface.
A kind of above-mentioned novel turning fixture for processing, in which: executing agency be chuck mode claw or arc-shaped claw or
The soft pawl of chuck mode.
The beneficial effects of the present invention are: structurally reasonable, reliable operation；Have axial traction function, avoids batch and add
Work process can not 100% the problem of ensuring workpiece against positioning surface；Have circumference to float function, avoids input component ovality
It is scrapped caused by overproof clamping eccentricity issues or geometric accuracy is overproof；Have centrifugal force compensation function, avoids in turning
There is clamping failure caused by chucking power loss in processing；Have segmentation clamping function, avoids automation of link manipulator rigidity
The equipment damage of switching and initiation；Modularized design has modularization quick change function, and it is long to avoid the time of remodeling, and is effectively reduced
Application cost.
Detailed description of the invention
Fig. 1: structural representation sectional view of the invention；
Fig. 2: schematic perspective view of the invention；
In figure: 1- movable connecting rod, 2- shell, 3- function lead ring, 4- displaced block, 5- bulb shifting block, 6- executing agency, 7- liquid
Cylinder pressure.
Specific embodiment
The present invention will be further described with reference to the accompanying drawings and detailed description:
Embodiment: as shown in Figure 1, 2, a kind of novel turning fixture for processing, including movable connecting rod 1, shell 2, function are led
Ring 3, displaced block 4, executing agency 6 and hydraulic cylinder 7, in which: the output end of movable connecting rod 1 and hydraulic cylinder 7, which is fixedly and coaxially connected, matches
Dress；Functional lead ring 3 is fixedly connected on the circumferential surface of movable connecting rod 1；Function lead ring 3 is connect with three pinching action module activities；
Three pinching action modules are arranged along the central axes of movable connecting rod 1 in uniform circular array；Pinching action module includes displaced block
4, bulb shifting block 5 and executing agency 6；Bulb shifting block 5 includes rotating body, shifting block and driving lever；Shifting block and driving lever are located at rotation master
On body, it is arranged in " L " shape；The end of shifting block is set as spherical；Rotating body pin joint can freely turn in the inside of displaced block 4
It is dynamic；Shifting block is connected to the inside of executing agency 6 far from one end of rotating body；Driving lever extends to the outside of displaced block 4, with function
The equipped connection of lead ring 3；Displaced block card slot is provided in displaced block 4；Displaced block card slot and the equipped connection of function lead ring 3；Movement connects
Bar 1, function lead ring 3, displaced block 4 and hydraulic cylinder 7 are located at the inside of shell 2；2 right cylindrical shape shells of shell；Shell 2
Shell body conical surface is provided on internal circumferential surface；Shell body conical surface is located at the lower section of displaced block 4；Wherein: function lead ring 3 is led including driving lever
Ring, displaced block lead ring and termination lead ring；Driving lever lead ring, displaced block lead ring and termination lead ring are arranged successively arrangement from top to bottom, together
Axis is fixedly connected on the circumferential surface of movable connecting rod 1；A circle driving lever card slot is provided on the outer peripheral surface of driving lever lead ring；Driving lever is from displacement
4 internal stretch of block comes out, and is connected in driving lever card slot；Displaced block lead ring is connected in displaced block card slot；Displaced block card slot is located at
The lower section of bulb shifting block 5；Terminate the surface that lead ring is located at hydraulic cylinder 7；Wherein: the diameter of shell body conical surface lower end is less than upper end
Diameter；Wherein: shifting block is connected in the cavity inside executing agency 6；The internal cavities of executing agency 6, the outside with shifting block
Profile is geometrically being in similarity relation, and is greater than the exterior contour of shifting block；Rotating body, shifting block and driving lever are connected to displaced block 4
Internal cavities in；Shifting block extends to the outside of displaced block 4 from rotating body, connect with executing agency 6；The inside of displaced block 4
Cavity, the exterior contour with the part of rotating body and shifting block, driving lever in displaced block 4 is geometrically being in similarity relation, and
Greater than the exterior contour；Wherein: the exterior contour of the shifting block of bulb shifting block 5 and shifting block is in smooth arc surface via rotating body；
Wherein: executing agency 6 is chuck mode claw or arc-shaped claw or the soft pawl of chuck mode.
When work: firstly, movable connecting rod 1 moves down, and the driving lever lead ring of function lead ring 3 passes through bulb under the effect of hydraulic cylinder 7
Shifting block 5 drives executing agency 6 to clamp in advance；The movement of the pre- clamping is completed by the leverage movement of bulb shifting block 5；
The conjunction surface of bulb shifting block 5 and executing agency 6 has reserved 1-3 ° of angle of rotation, causes so that adaptive process blank shape is nonstandard
Clamping error；Wherein, after amplification of the scope of activities of driving lever and profile where it via bulb shifting block 5, shifting block is driven
Scope of activities, the displacement range as clamped in advance；
Then movable connecting rod 1 continues to move down, and the displaced block lead ring linkage displaced block card slot of function lead ring 3 drives displaced block 4
It moves axially downwards, 6 axial shrinkage of executing agency is pulled by bulb shifting block 5；The process is intermediate clamping process, wherein being displaced
Scope of activities between block 4 and shell body conical surface is the displacement range of intermediate clamping process；
Finally, movable connecting rod 1 continues to move down, displaced block 4 generates radial and axial position by the effect of shell body conical surface
It moves, executing agency 6 is facilitated to realize final clamping process；Wherein the sum of the vector of radial and axial displacement, as finally clamps
Displacement range；
Above-mentioned is the action process that segmentation clamps, and function lead ring 3 is simultaneously with three pinching action modules with same side
Formula connection, therefore three pinching action module synchronization linkages, complete the pinching action to parts to be processed.
Release process is opposite with three sections of above-mentioned clamping process.
Finally, it should be noted that the foregoing is only a preferred embodiment of the present invention, it is not intended to restrict the invention,
Although the present invention is described in detail referring to the foregoing embodiments, for those skilled in the art, still may be used
To modify the technical solutions described in the foregoing embodiments or equivalent replacement of some of the technical features,
All within the spirits and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in of the invention
Within protection scope.
Claims (6)
1. a kind of novel turning fixture for processing, including movable connecting rod (1), shell (2), function lead ring (3), displaced block (4), hold
Row mechanism (6) and hydraulic cylinder (7), it is characterised in that: the output end of the movable connecting rod (1) and hydraulic cylinder (7) is coaxially fixed to be connected
It connects equipped；Functional lead ring (3) are fixedly connected on the circumferential surface of the movable connecting rod (1)；The function lead ring (3) and three clampings
Action module is flexibly connected；Three pinching action modules are arranged along the central axes of movable connecting rod (1) in uniform circular array；
The pinching action module includes displaced block (4), bulb shifting block (5) and executing agency (6)；The bulb shifting block (5) includes rotation
Turn main body, shifting block and driving lever；The shifting block and driving lever are located in rotating body, are arranged in " L " shape；The end of the shifting block is arranged
For sphere shape；The rotating body pin joint is free to rotate in the inside of displaced block (4)；The shifting block is far from rotating body
One end is connected to the inside of executing agency (6)；The driving lever extends to the outside of displaced block (4), matches load with function lead ring (3)
It connects；Displaced block card slot is provided on the displaced block (4)；The displaced block card slot and function lead ring (3) equipped connection；The fortune
Dynamic connecting rod (1), function lead ring (3), displaced block (4) and hydraulic cylinder (7) are located at the inside of shell (2)；Shell (2) position is straight
Cylindrical shape shell；Shell body conical surface is provided on the internal circumferential surface of the shell (2)；The shell body conical surface is located at displaced block (4)
Lower section.
2. a kind of novel turning fixture for processing as described in claim 1, it is characterised in that: the function lead ring (3) includes
Driving lever lead ring, displaced block lead ring and termination lead ring；The driving lever lead ring, displaced block lead ring and termination lead ring are successively arranged from top to bottom
Column arrangement, is fixedly and coaxially connected on the circumferential surface of movable connecting rod (1)；A circle driving lever is provided on the outer peripheral surface of the driving lever lead ring
Card slot；The driving lever comes out from displaced block (4) internal stretch, is connected in driving lever card slot；The displaced block lead ring clamping is in place
It moves in block card slot；The displaced block card slot is located at the lower section of bulb shifting block (5)；The termination lead ring is being located at hydraulic cylinder (7) just
Top.
3. a kind of novel turning fixture for processing as described in claim 1, it is characterised in that: the shell body conical surface lower end it is straight
Diameter is less than the diameter of upper end.
4. a kind of novel turning fixture for processing as described in any one of claims 1-3, it is characterised in that: the shifting block clamping
In the internal cavity of executing agency (6)；The internal cavities of the executing agency (6), the exterior contour with shifting block is geometrically
In similarity relation, and it is greater than the exterior contour of shifting block；The rotating body, shifting block and driving lever are connected to the inside of displaced block (4)
In cavity；The shifting block extends to the outside of displaced block (4) from rotating body, connect with executing agency (6)；The displaced block
(4) internal cavities, the exterior contour with the part of rotating body and shifting block, driving lever in displaced block (4) are geometrically being in
Similarity relation, and it is greater than the exterior contour.
5. a kind of novel turning fixture for processing as claimed in claim 4, it is characterised in that: the bulb shifting block (5) is dialled
The exterior contour of head and shifting block is in smooth arc surface via rotating body.
6. a kind of novel turning fixture for processing as claimed in claim 4, it is characterised in that: the executing agency (6) is card
Disc type claw or arc-shaped claw or the soft pawl of chuck mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910772549.5A CN110405238A (en) | 2019-08-21 | 2019-08-21 | A kind of novel turning fixture for processing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910772549.5A CN110405238A (en) | 2019-08-21 | 2019-08-21 | A kind of novel turning fixture for processing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110405238A true CN110405238A (en) | 2019-11-05 |
Family
ID=68368281
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910772549.5A Pending CN110405238A (en) | 2019-08-21 | 2019-08-21 | A kind of novel turning fixture for processing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110405238A (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH521186A (en) * | 1970-03-20 | 1972-04-15 | Bechler Andre | Chucks for automatic lathes processing material bars |
| US5340130A (en) * | 1991-08-12 | 1994-08-23 | Gerard Gorse Equipements De Machines-Outils S.A. | Polyvalent clamp chuck for machine tools |
| US20020033582A1 (en) * | 2000-09-21 | 2002-03-21 | Erwin Bohler | Method and device for the dynamic lubrication of a power chuck |
| US6371493B1 (en) * | 1999-01-25 | 2002-04-16 | Sandvik Tobler S.A. | Adaptive clamping type chuck |
| US20040119249A1 (en) * | 2002-12-18 | 2004-06-24 | Chun-Chih Chen | Chuck |
| US20080203681A1 (en) * | 2007-02-27 | 2008-08-28 | Crowley Brian J | Quick-release jaws with single-piece bearing chuck |
| CN202539612U (en) * | 2012-04-13 | 2012-11-21 | 建研科技股份有限公司 | Lever multi-jaw hydraulic fixture |
| CN203091772U (en) * | 2013-03-11 | 2013-07-31 | 高中服 | Adjustable hump hydraulic chuck |
| CN103264396A (en) * | 2013-05-29 | 2013-08-28 | 丰汉电子(上海)有限公司 | Mechanical gripper capable of grabbing cylinder sleeves of different inner diameters |
| CN210451037U (en) * | 2019-08-21 | 2020-05-05 | 宁夏工商职业技术学院（宁夏化工技工学校、宁夏机电工程学校、宁夏农业机械化学校） | Novel anchor clamps for lathe work |
-
2019
- 2019-08-21 CN CN201910772549.5A patent/CN110405238A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH521186A (en) * | 1970-03-20 | 1972-04-15 | Bechler Andre | Chucks for automatic lathes processing material bars |
| US5340130A (en) * | 1991-08-12 | 1994-08-23 | Gerard Gorse Equipements De Machines-Outils S.A. | Polyvalent clamp chuck for machine tools |
| US6371493B1 (en) * | 1999-01-25 | 2002-04-16 | Sandvik Tobler S.A. | Adaptive clamping type chuck |
| US20020033582A1 (en) * | 2000-09-21 | 2002-03-21 | Erwin Bohler | Method and device for the dynamic lubrication of a power chuck |
| US20040119249A1 (en) * | 2002-12-18 | 2004-06-24 | Chun-Chih Chen | Chuck |
| US20080203681A1 (en) * | 2007-02-27 | 2008-08-28 | Crowley Brian J | Quick-release jaws with single-piece bearing chuck |
| CN202539612U (en) * | 2012-04-13 | 2012-11-21 | 建研科技股份有限公司 | Lever multi-jaw hydraulic fixture |
| CN203091772U (en) * | 2013-03-11 | 2013-07-31 | 高中服 | Adjustable hump hydraulic chuck |
| CN103264396A (en) * | 2013-05-29 | 2013-08-28 | 丰汉电子(上海)有限公司 | Mechanical gripper capable of grabbing cylinder sleeves of different inner diameters |
| CN210451037U (en) * | 2019-08-21 | 2020-05-05 | 宁夏工商职业技术学院（宁夏化工技工学校、宁夏机电工程学校、宁夏农业机械化学校） | Novel anchor clamps for lathe work |
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