CN104475792A - Centrifugal ball clamping fixture - Google Patents

Centrifugal ball clamping fixture Download PDF

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Publication number
CN104475792A
CN104475792A CN201410720580.1A CN201410720580A CN104475792A CN 104475792 A CN104475792 A CN 104475792A CN 201410720580 A CN201410720580 A CN 201410720580A CN 104475792 A CN104475792 A CN 104475792A
Authority
CN
China
Prior art keywords
ball
cavity
axle
expansion
steel ball
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
Application number
CN201410720580.1A
Other languages
Chinese (zh)
Inventor
陈文斌
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
CHANGZHOU WENMEI MACHINERY FITTING FACTORY
Original Assignee
CHANGZHOU WENMEI MACHINERY FITTING FACTORY
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by CHANGZHOU WENMEI MACHINERY FITTING FACTORY filed Critical CHANGZHOU WENMEI MACHINERY FITTING FACTORY
Priority to CN201410720580.1A priority Critical patent/CN104475792A/en
Publication of CN104475792A publication Critical patent/CN104475792A/en
Pending legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23BTURNING; BORING
    • B23B31/00Chucks; Expansion mandrels; Adaptations thereof for remote control
    • B23B31/40Expansion mandrels

Abstract

The invention relates to a centrifugal ball clamping fixture comprising an expanding sleeve type mandrel. One end of the coupling mandrel is connected to a housing, the coupling mandrel is provided with a first cavity fulfilled with steel balls, one end of the first cavity, at the connecting position with the housing, is provided with a limit step inside, and the other end of the expanding sleeve type mandrel seals the first cavity through a movably-connected moving part; the housing is provided with a second cavity inside; the first cavity and the second cavity are connected through a first ball, and the first ball and the limit step form a partitioning wall partitioning the first cavity and the second cavity; the second cavity is provided with an automatic extruding device used for extruding the first ball to move in a reciprocating manner. The centrifugal ball clamping fixture has the advantages that the fixture is simple in structure and convenient to use and is capable of clamping thin-wall cylindrical workpieces rapidly and tightly.

Description

Centrifugal ball clamping device
Technical field
The present invention relates to frock technical field, particularly centrifugal force ball clamping device.
Background technology
Thin cylinder is rolled into by sheet metal, and therefore thin cylinder is very easy to distortion.The two ends of thin cylinder need machining, because thin cylinder belongs to easily deformed part, can not directly by thin cylinder clamping, on lathe, this just need the frock clamp of design specialized, thus solve the problem of existing thin cylinder distortion.To sum up, thin cylinder does not have special frock clamp in machining, causes thin cylinder yielding.
Summary of the invention
For the problems referred to above, the object of this invention is to provide a kind of structure simple, easy to use, for the steel ball clamping device of Quick-clamped thin cylinder class workpiece.
Realize technical scheme of the present invention as follows:
Centrifugal ball clamping device, comprise expansion set axle, one end of expansion set axle is connected with housing, the first cavity is provided with in described expansion set axle, steel ball is covered with in first cavity, limited step is provided with in first cavity of one end of housing junction, the other end of expansion set axle by the movable part that is flexibly connected with it by the first cavities seals, the second cavity is provided with in housing, be connected by the first ball between first cavity with the second cavity, first ball and limited step are formed and are separated wall for what isolate the first cavity and the second cavity, be provided with in second cavity for extruding the first ball and the automatic extrusion device making it move back and forth.
Described automatic extrusion device comprises and is arranged on support in housing and packing ring successively, support is provided with the second ball, packing ring to be arranged between the second ball and the first ball and with packing ring both sides the second ball respectively, first ball is tangent, be connected by spring between packing ring with housing, advantage rotarily drives housing into rotation by expansion set axle to produce centrifugal force, second ball outward radial is moved, namely move to packing ring direction, extruded gasket, packing ring makes it move in the first cavity at extruding first ball, thus drive steel ball mutually to extrude, expansion set axle is outwards strutted, thus clamping work pieces, after work pieces process completes, housing is not in rotation, now centrifugal force disappears, second ball is not to packing ring at applying pressure, and such packing ring just gets back to initial position under the effect of the elastic recovery of spring, and the first ball is not also at extruding steel ball, expansion set axle is shunk, just can take off workpiece, structure is simple, easy to use.
Described steel ball comprises the first steel ball and the second steel ball, first steel ball along expansion set axle axle center arrangement and with the first balls there heart, along the circumferential direction go up between adjacent first steel ball and be all provided with multiple second steel ball, second steel ball and the first steel ball, expansion set axle inwall is tangent, multiple second steel ball constitutes the circular arc plane having and equal expansion set axle internal diameter, advantage is that the length after the first steel ball is connected with the second steel ball is consistent with the internal diameter of expansion set axle, after the first steel ball being compressed axially mutually by the extruding of the first ball like this, the second steel ball is moved radially, expansion set axle will be strutted outward like this, thus clamping device.
Described movable part and expansion set axle are for being threaded, and steel ball is withstood in the one end being positioned at expansion set axle movable part, and movable part is screw or screw thread, and advantage is that structure is simple, easy to operate, simultaneously also easy disassembly and maintenance.
Described housing is provided with the end cap for being sealed, and housing is fixedly connected with by screw with end cap, and advantage is connected firmly, easy accessibility, is convenient to maintenance.
Have employed above-mentioned scheme, rotating the centrifugal force produced when housing and expansion set axle work makes automatic extrusion device extrude the first ball, such first ball will move to the first cavity and extrude steel ball, due to the first cavity closed at both ends, so the interphase interaction of steel ball, and move radially, expansion set axle is outwards strutted, thus reaches the object of clamping work pieces; During work, first can adjust expansion set axle to the clamping force of workpiece with movable part, namely extrude steel ball by movable part, be that expansion set axle is outer a little swollen.Structure is simple, easy to use, can prevent the processed distortion of workpiece, substantially increase operating efficiency.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the present invention is further described.
As Fig. 1, centrifugal ball clamping device, comprise expansion set axle 1, one end of expansion set axle 1 is connected with housing 2, the first cavity 3 is provided with in described expansion set axle 1, steel ball is covered with in first cavity 3, limited step 8 is provided with in first cavity 3 of one end of housing 2 junction, first cavity 3 is sealed by the movable part 7 be flexibly connected with it by the other end of expansion set axle 1, the second cavity 4 is provided with in housing 2, be connected by the first ball 9 between first cavity 3 with the second cavity 4, first ball 9 and limited step 8 are formed and are separated wall for what isolate the first cavity 3 and the second cavity 4, be provided with in second cavity 4 for extruding the first ball 9 and the automatic extrusion device making it move back and forth.
Described automatic extrusion device comprises and is arranged on support 10 in housing 2 and packing ring 11 successively, support 10 is provided with the second ball 12, second ball 12 is provided with two, be separately positioned on the two ends up and down of support 10, packing ring 11 to be arranged between the second ball 12 and the first ball 9 and with packing ring 11 both sides the second ball 12 respectively, first ball 9 is tangent, be connected by spring 13 between packing ring 11 with housing 2, advantage rotarily drives housing into rotation by expansion set axle to produce centrifugal force, second ball outward radial is moved, namely move to packing ring direction, extruded gasket, packing ring makes it move in the first cavity at extruding first ball, thus drive steel ball mutually to extrude, expansion set axle is outwards strutted, thus clamping work pieces, after work pieces process completes, housing is not in rotation, now centrifugal force disappears, second ball is not to packing ring at applying pressure, and such packing ring just gets back to initial position under the effect of the elastic recovery of spring, and the first ball is not also at extruding steel ball, expansion set axle is shunk, just can take off workpiece, structure is simple, easy to use.
Described steel ball comprises the first steel ball 5 and the second steel ball 6, first steel ball 5 along expansion set axle 1 axle center arrangement and with the first ball 9 concentric, along the circumferential direction go up between adjacent first steel ball 5 and be all provided with multiple second steel ball 6, second steel ball 6 and the first steel ball 5, expansion set axle 1 inwall is tangent, multiple second steel ball 6 constitutes the circular arc plane having and equal expansion set axle 1 internal diameter, advantage is that the length after the first steel ball is connected with the second steel ball is consistent with the internal diameter of expansion set axle, after the first steel ball being compressed axially mutually by the extruding of the first ball like this, the second steel ball is moved radially, expansion set axle will be strutted outward like this, thus clamping device.
Described movable part 7 and expansion set axle 1 are for being threaded, and steel ball is withstood in the one end being positioned at expansion set axle 1 movable part 7, and movable part is screw or screw thread, and advantage is that structure is simple, easy to operate, simultaneously also easy disassembly and maintenance.
Described housing 2 is provided with the end cap 14 for being sealed, and housing 2 is fixedly connected with by screw with end cap 14, and advantage is connected firmly, easy accessibility, is convenient to maintenance.

Claims (5)

1. centrifugal ball clamping device, comprise expansion set axle, one end of expansion set axle is connected with housing, it is characterized in that: in described expansion set axle, be provided with the first cavity, steel ball is covered with in first cavity, limited step is provided with in first cavity of one end of housing junction, the other end of expansion set axle by the movable part that is flexibly connected with it by the first cavities seals, the second cavity is provided with in housing, be connected by the first ball between first cavity with the second cavity, first ball and limited step are formed and are separated wall for what isolate the first cavity and the second cavity, be provided with in second cavity for extruding the first ball and the automatic extrusion device making it move back and forth.
2. centrifugal ball clamping device according to claim 1, it is characterized in that: described automatic extrusion device comprises and is arranged on support in housing and packing ring successively, support is provided with the second ball, packing ring is arranged between the second ball and the first ball and the second ball, the first ball are tangent respectively with packing ring both sides, is connected between packing ring with housing by spring.
3. centrifugal ball clamping device according to claim 1, it is characterized in that: described steel ball comprises the first steel ball and the second steel ball, first steel ball along expansion set axle axle center arrangement and with the first balls there heart, along the circumferential direction go up between adjacent first steel ball and be all provided with multiple second steel ball, second steel ball and the first steel ball, expansion set axle inwall are tangent, and multiple second steel ball constitutes the circular arc plane having and equal expansion set axle internal diameter.
4. centrifugal ball clamping device according to claim 1, is characterized in that: described movable part and expansion set axle are for being threaded, and steel ball is withstood in the one end being positioned at expansion set axle movable part, and movable part is screw or screw thread.
5. centrifugal ball clamping device according to claim 1, is characterized in that: described housing is provided with the end cap for being sealed.
CN201410720580.1A 2014-12-02 2014-12-02 Centrifugal ball clamping fixture Pending CN104475792A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201410720580.1A CN104475792A (en) 2014-12-02 2014-12-02 Centrifugal ball clamping fixture

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201410720580.1A CN104475792A (en) 2014-12-02 2014-12-02 Centrifugal ball clamping fixture

Publications (1)

Publication Number Publication Date
CN104475792A true CN104475792A (en) 2015-04-01

Family

ID=52750468

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201410720580.1A Pending CN104475792A (en) 2014-12-02 2014-12-02 Centrifugal ball clamping fixture

Country Status (1)

Country Link
CN (1) CN104475792A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108436123A (en) * 2018-03-27 2018-08-24 江苏高精机电装备有限公司 A kind of fixture suitable for thin-walled parts quick-clamping
CN110270701A (en) * 2019-06-26 2019-09-24 郭五连 A kind of numerical control CNC machining center internal-expansion type tooling

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108436123A (en) * 2018-03-27 2018-08-24 江苏高精机电装备有限公司 A kind of fixture suitable for thin-walled parts quick-clamping
CN110270701A (en) * 2019-06-26 2019-09-24 郭五连 A kind of numerical control CNC machining center internal-expansion type tooling

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Legal Events

Date Code Title Description
PB01 Publication
C06 Publication
WD01 Invention patent application deemed withdrawn after publication

Application publication date: 20150401

WD01 Invention patent application deemed withdrawn after publication