CN110076365A - A kind of centrifugal fixture of axis class - Google Patents
A kind of centrifugal fixture of axis class Download PDFInfo
- Publication number
- CN110076365A CN110076365A CN201910374020.8A CN201910374020A CN110076365A CN 110076365 A CN110076365 A CN 110076365A CN 201910374020 A CN201910374020 A CN 201910374020A CN 110076365 A CN110076365 A CN 110076365A
- Authority
- CN
- China
- Prior art keywords
- slide
- fixed seat
- claw
- floral disc
- annular fixed
- 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.)
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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
- B23B31/14—Chucks with simultaneously-acting jaws, whether or not also individually adjustable involving the use of centrifugal force
Abstract
The present invention discloses a kind of centrifugal fixture of axis class, including floral disc, rotation are top, click-on mechanism, slide and annular fixed seat, are fixed on the main shaft of lathe using floral disc, floral disc is rotated together according to lathe spindle.Annular fixed seat is installed in the fixing groove of floral disc, and slide is socketed in annular fixed seat.First by workpiece first front and back by rotate it is top between top on tail stock, when floral disc rotation, annular fixed seat can be driven to rotate, and slide is then rotated relative to annular fixed seat, centrifugation rotation is carried out simultaneously for slide upper clipping claw mechanism is mounted on, so that multiple clamping jaws under the influence of centrifugal force fasten workpiece, achieve the purpose that the workpiece that is fixedly clamped.And when lathe spindle stops operating, the reset spring being extruded can stretch slide along annular reseting groove opposite direction, so that multiple claw backwards rotations disengage workpiece, remove workpiece convenient for people, save the time of clamping workpiece.
Description
Technical field
The present invention relates to machinery field more particularly to a kind of centrifugal fixtures of axis class.
Background technique
Lathe needs to expend more non-cutting time progress clamping parts, increases worker's in working shaft-like part
Working time, and human error is be easy to cause for manual clamping parts, i.e., the concentricity of excircle of workpiece and centre bore is caused
Deviation influences the precision of workpiece.
Summary of the invention
For this reason, it may be necessary to provide a kind of centrifugal fixture of axis class, to solve, existing lathe clamping workpiece is more time-consuming to be asked
Topic.
To achieve the above object, a kind of centrifugal fixture of axis class, including floral disc, the top, claw of rotation are inventor provided
Mechanism, slide and annular fixed seat；One end of the floral disc is provided with link slot, and the other end of the floral disc is provided with fixation
Slot is provided with bellmouth between link slot and fixing groove, the rotation is top to be arranged in bellmouth, the annular fixed seat set
In the fixing groove of floral disc, the slide is hollow structure, and the stepped end of the slide is rotatably sheathed on fixing groove
It is interior；There are three more than, the end face of the slide is provided with station slot, is provided on the cell wall of station slot for the click-on mechanism setting
Three or more claw slots, the click-on mechanism include claw and connecting shaft, and multiple through-holes, institute are provided in the middle part of the claw
It states connecting shaft and is fixed on slide for any one through-hole across claw, the connecting shaft is for rotatably fixing claw
On slide, three or more click-on mechanism circumference array are arranged on slide, the end face of the slide and/or annular fixed seat
On be provided with annular reseting groove, the reset spring is arranged in annular reseting groove, and one end of the reset spring is arranged in cunning
On seat, the other end of the reset spring is arranged on annular fixed seat.
Further, one end of the floral disc is provided with the shaft shoulder, and the shaft shoulder circumference array is provided with multiple threaded holes.
It further, further include fixing bolt, threaded hole of the fixing bolt on the shaft shoulder fixes floral disc
On the main shaft of lathe.
Further, limiting slot is provided on the slide, after the limiting slot is located at slide and annular fixed seat assembly
Slide is towards on the side of annular fixed seat.
It further, further include position-limiting unit, the position-limiting unit is arranged on annular fixed seat, and the position-limiting unit
For being rotated with the mutually chimeric limitation slide of limiting slot.
Further, the position-limiting unit includes compressed spring and steel ball, and limit cavity, institute are provided on annular fixed seat
Compressed spring setting is stated in limit cavity, steel ball is arranged between compressed spring and the accent for limiting cavity.
Further, the end face of the slide is provided with multiple pin holes, and multiple pin holes are located at through-hole at equal intervals
On side.
Further, through-hole is provided in the middle part of the claw, connecting shaft passes through through-hole and is arranged on slide.
Further, the both ends of the claw are inclination cambered surface, and the inclination cambered surface at the both ends is former along claw central point
Point symmetry is arranged, and is provided with reticulate pattern slot in the inclination cambered surface.
It is different from the prior art, above-mentioned technical proposal is fixed on the main shaft of lathe using floral disc, allows floral disc root
It is rotated together according to lathe spindle.Annular fixed seat is installed in the fixing groove of floral disc, slide is set in annular admittedly by stepped end
In the centre bore of reservation, and slide can be rotated relative to annular fixed seat.In processing, by workpiece, first front and back passes through rotation top
Between top on point and tail stock, when floral disc rotation, annular fixed seat can be driven to rotate, and slide is then relative to ring
Shape fixing seat is rotated, and centrifugation rotation is carried out simultaneously for slide upper clipping claw mechanism is mounted on, so that multiple clamping jaws exist
Under the action of centrifugal force, the end face of multiple clamping jaws contacts fastening with workpiece, achievees the purpose that the workpiece that is fixedly clamped.And work as lathe master
When axis stops operating, the reset spring being extruded can carry out direction stretching so that multiple claws are inverse along annular reseting groove to slide
Workpiece is disengaged to rotation, workpiece is removed convenient for people, saves the time of clamping workpiece.
Detailed description of the invention
Fig. 1 is the structure chart of the centrifugal fixture of axis class described in specific embodiment；
Fig. 2 is the front view of the centrifugal fixture of axis class described in specific embodiment；
Fig. 3 is the cross-sectional view of the centrifugal fixture of axis class described in specific embodiment；
Fig. 4 is the schematic diagram of the slide of the centrifugal fixture of axis class described in specific embodiment；
Fig. 5 is the partial sectional view of the centrifugal fixture of axis class described in specific embodiment；
Fig. 6 is the schematic diagram of the claw of the centrifugal fixture of axis class described in specific embodiment.
Description of symbols:
10, floral disc；11, link slot；12, the shaft shoulder；13, bellmouth；14, fixing groove；
121, threaded hole；122, fixing bolt；
20, it rotates top；
30, click-on mechanism；31, claw；32, through-hole；33, connecting shaft；
34, cambered surface is tilted；35, reticulate pattern slot；
40, slide；41, annular reseting groove；42, reset spring；43, limiting slot；
44, claw slot；45, pin hole；46, pin；
50, annular fixed seat；51, cavity is limited；
60, position-limiting unit；61, compressed spring；62, steel ball；
Specific embodiment
Technology contents, construction feature, the objects and the effects for detailed description technical solution, below in conjunction with specific reality
It applies example and attached drawing is cooperated to be explained in detail.
Please refer to Fig. 1 to Fig. 6, the present embodiment provides a kind of centrifugal fixture of axis class, including floral disc 10, rotation it is top 20,
Click-on mechanism 30, slide 40 and annular fixed seat 50.A generally hollow structure for floral disc, both ends have the shaft shoulder, in flower
One end of disk opens up link slot 11, and link slot is used for and the main shaft of lathe is socketed, and beats spiral shell on the shaft shoulder of link slot one end 12
Pit 121, so that the multiple threaded holes of circumference array on the shaft shoulder with link slot one end, reusing fixing bolt 122 will be spent
Disk locks on lathe spindle, and fixing bolt can be stud in the present embodiment, convenient for people's locking floral disc.
As shown in figure 3, the concentricity in order to keep workpiece, open up a bellmouth 13 in the middle part of floral disc, bellmouth by
Link slot end to the ascending setting of fixing groove so that workpiece act against rotation it is top upper when, rotate it is top will not move axially,
Rotate it is top cooperation tail stock on the top centre bore to shaft-like workpiece be fixed, and bear cutting when generate into
Ensure that processed axis class so that the centre of gyration of shaft-like workpiece and machine tool chief axis are consistent and synchronous rotary to drag
The outer circle of workpiece and the concentricity of centre bore.Therefore when to work pieces process, the precision of processing can be improved.
A fixing groove 14 is then opened up on the other end of floral disc, and it is fixed that an annular is fixedly mounted in fixing groove
Seat, annular fixed seat is a thimble structure, for the socket between slide and fixing groove, and can be in annular fixed seat
Slot is opened up on anchor ring, achievees the purpose that connection, locking slide, and can install and reduce in order to slide by annular fixed seat
The abrasion of floral disc.Specifically, in the fixing groove that annular fixed seat can be fixed by way of interference fit or bolt locking.And
Slide is hollow structure, and the center-hole diameter of slide, which can be greater than, rotates top diameter, so that entire top can pass through is slided
The centre bore of seat, convenient for that will rotate in top installation to floral disc.External one end of slide has hierarchic structure, and slide
The external other end then has a station slot.Be set on the inner hole of annular fixed seat by hierarchic structure, by grooved rail with
Ball is installed between sliding slot, or opens up grooved rail in the center bore inner wall of annular fixed seat, and in one end of slide small diameter
One sliding slot of upper setting, uses grooved rail and sliding slot to relatively rotate between slide and annular fixed seat, reaching slide can
To rotate purpose relative to annular fixed seat, and then the claw of the click-on mechanism on drive slide carries out the effect of centrifugal force clip
Fruit.
And then it is used to install click-on mechanism in the larger-diameter one end of slide, the claw 31 of click-on mechanism is set in the present embodiment
There are three setting, multiple through-holes 32 are set at the middle part of claw, therefore can adjust by the through-hole at the fixed different location of connecting shaft
The diameter of whole claw clamping workpiece, while also can change centrifugal force when claw follows lathe main axis.And for
Installation can then be located on the circular arc of the same circle to the connecting shaft on slide, and the center of circle of the circle is overlapped with the central axes of slide,
I.e. so that the chucking power of three claws is identical, the concentricity of shaft-like workpiece is improved.
When three claws pass through a connecting shaft 33 respectively to be fixed on the outer end face of slide, one end of claw can be located at
In claw slot 44, therefore three claws will not occur mutually to touch between claw and claw when being centrifuged rotation with lathe spindle
The case where hitting, and a pin 46 is being fixed by the pin hole 45 on slide end face, to limit the moveable model of claw
It encloses, makes claw between pin and claw groove sidewall, reach and three claws is allowed to keep identical folder when clamping to shaft-like workpiece
Holding force the case where avoiding the chucking power of some clamping jaw excessive and be damaged, or avoids the chucking power between clamping jaw and clamping jaw
It is different and the case where the concentricity of shaft-like workpiece is deviated.I.e. slide is towards the end face on the outside of floral disc fixing groove, and slides
The seat one side opposite with annular fixed seat is then inner face.Claw can be rotated relative to connecting shaft, and the two of claw
One inclination cambered surface 34 is set on a end face, therefore when floral disc is with lathe spindle high speed rotation, claw on slide can be with
With rotating and generating biggish centrifugal force, allow claw faster bigger to shaft-like workpiece clamping force with velocity of rotation, and
Claw will not ensure that the safety and stability of processing there is a situation where being detached from generation in processing with shaft-like workpiece.And it is right
The shaft-like workpiece progress Automatic-clamping being fixed between top top with tail stock of rotation, what is generated when overcoming cutting cuts
While deep drag, it is thus also avoided that the process of the manual mode locking of traditional scroll chuck reduces non-cutting time, improves people
Working efficiency.
And workpiece can be unclamped automatically after lathe spindle stops operating.Specifically, opening up one on the inner surface of slide
A annular reseting groove 41, or annular reseting groove, or the inner surface in slide are opened up on end face of the annular fixed seat towards slide
Annular reseting groove is all opened up towards the end face of slide with annular fixed seat, and a reset spring is installed on the annular reseting groove
42, reset spring one end is fixed on slide, and the other end of reset spring is then fixed on annular fixed seat.Therefore, work as cunning
When seat is relative to annular fixed seat rotation, reset spring can be squeezed, so can also be deposited after lathe spindle stops rotating
In the moment of inertia, therefore it is difficult to unclamp shaft-like workpiece faster, slide can be stretched through reset spring, and then drives slide
On claw carry out faster reset and unclamp workpiece, to improve the efficiency of processing.
In order to increase the frictional force between shaft-like workpiece and claw, a reticulate pattern slot 35 is set on the end face of claw.Together
When in order to improve the service life of claw, central symmetry is carried out to the both ends of claw or is symmetrical arranged, therefore works as one end of claw
After damage, the other end that can replace claw is carried out using reducing the use cost of clamping jaw.
Also there is position-limiting unit 60, position-limiting unit is limited with to the angular range that claw is swung, i.e., in the present embodiment
When claw turns to angle limit, position-limiting unit can lock slide, so that slide will not be carried out relative to annular fixed seat
Rotation, and one end of claw can abut against and be clamped on shaft-like workpiece, the other end is then fixed on because of stopping operating for slide
On the floral disc of larger diameter one end of slide.It include compressed spring 61 and steel ball 62 for position-limiting unit, because three clamping jaws can
To be swung around the respective connecting shaft being fixed on slide, and workpiece is clamped by centrifugal force.Therefore, solid in annular
It can be with the installation positioning pin of interference, so that the angle that three claws of limitation are swung is identical, so that the clamping of three claws in reservation
Power is consistent, and realizes that workpiece is clamped uniform force, and limit the angle that claw is swung by position-limiting unit.Specifically,
Circumference array offers multiple limit cavitys on annular fixed seat, and limit cavity is located at annular reseting groove and annular fixed seat
Lateral surface between, first steel ball is placed at the accent of limit cavity, then compressed spring is installed to limit cavity, and is sealed
Locking limits cavity admittedly, so that compressed spring is mounted in limit cavity.And the limit in slide relative to annular fixed seat
There is a limiting slot 43, which there can be 120 degree of socket for an opening, when slide on the medial surface of cavity
When socket is slid at position-limiting unit, compressed spring is jacked up in steel ball insertion socket, so that slide no longer moves, reaches limit
Purpose.
Because lathe spindle is by high speed rotation working shaft-like part in the present embodiment, one is installed on floral disc and is prevented
Shield, shield can be that two-half structure prevents the claw at slide by shield convenient for locking on floral disc
Shield improves safety when processing.Shield is fixed on floral disc specifically, screw can be used, is reached slide, claw
With the protection such as annular fixed seat in it, avoids breaking down or part fragment that when clamping jaw damages splashes causes to hurt to human body
Evil, improves the safety of centrifugal fixture.
It should be noted that being not intended to limit although the various embodiments described above have been described herein
Scope of patent protection of the invention.Therefore, it based on innovative idea of the invention, change that embodiment described herein is carried out and is repaired
Change, or using equivalent structure or equivalent flow shift made by description of the invention and accompanying drawing content, it directly or indirectly will be with
Upper technical solution is used in other related technical areas, is included within scope of patent protection of the invention.
Claims (9)
1. a kind of centrifugal fixture of axis class, it is characterised in that: fixed including floral disc, the top, click-on mechanism of rotation, slide and annular
Seat；
One end of the floral disc is provided with link slot, and the other end of the floral disc is provided with fixing groove, link slot and fixing groove it
Between be provided with bellmouth, the rotation is top to be arranged in bellmouth, and the annular fixed seat is sheathed in the fixing groove of floral disc,
The slide is hollow structure, and the stepped end of the slide is rotatably sheathed on the inner hole of annular fixed seat；
There are three more than, the end face of the slide is provided with station slot, is arranged on the cell wall of station slot for the click-on mechanism setting
There are three above claw slot,
The click-on mechanism includes claw and connecting shaft, and multiple through-holes are provided in the middle part of the claw, and the connecting shaft is used for
Any one through-hole across claw is fixed on slide, and the connecting shaft is used to claw being rotatably fixed on slide, and three
A above click-on mechanism circumference array is arranged on slide,
Annular reseting groove is provided on the end face of the slide and/or annular fixed seat, the reset spring setting is multiple in annular
In the slot of position, one end of the reset spring is arranged on slide, and the other end of the reset spring is arranged on annular fixed seat.
2. a kind of centrifugal fixture of axis class according to claim 1, it is characterised in that: one end of the floral disc is provided with axis
Shoulder, the shaft shoulder circumference array are provided with multiple threaded holes.
3. a kind of centrifugal fixture of axis class according to claim 2, it is characterised in that: it further include fixing bolt, it is described solid
Determine the main shaft that floral disc is fixed on lathe for the threaded hole on the shaft shoulder by bolt.
4. a kind of centrifugal fixture of axis class according to claim 1, it is characterised in that: be provided with limit on the slide
Slot, slide is towards on the side of annular fixed seat after the limiting slot is located at slide and annular fixed seat assembly.
5. a kind of centrifugal fixture of axis class according to claim 4, it is characterised in that: it further include position-limiting unit, the limit
Bit location is arranged on annular fixed seat, and the position-limiting unit is used for and the mutually chimeric limitation slide rotation of limiting slot.
6. a kind of centrifugal fixture of axis class according to claim 5, it is characterised in that: the position-limiting unit includes compression bullet
Spring and steel ball are provided with limit cavity on annular fixed seat, and in limit cavity, steel ball setting is being pressed for the compressed spring setting
Between contracting spring and the accent for limiting cavity.
7. a kind of centrifugal fixture of axis class according to claim 1, it is characterised in that: the end face of the slide is provided with more
A pin hole, multiple pin holes are located at equal intervals on the side of through-hole.
8. a kind of centrifugal fixture of axis class according to claim 1, it is characterised in that: be provided in the middle part of the claw logical
Hole, connecting shaft pass through through-hole and are arranged on slide.
9. a kind of centrifugal fixture of axis class according to claim 1, it is characterised in that: the both ends of the claw are inclination arc
The inclination cambered surface in face, the both ends is arranged along claw central point origin symmetry, is provided with reticulate pattern slot in the inclination cambered surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910374020.8A CN110076365B (en) | 2019-05-07 | 2019-05-07 | Centrifugal anchor clamps of axle type |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910374020.8A CN110076365B (en) | 2019-05-07 | 2019-05-07 | Centrifugal anchor clamps of axle type |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110076365A true CN110076365A (en) | 2019-08-02 |
| CN110076365B CN110076365B (en) | 2021-04-16 |
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ID=67418887
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910374020.8A Active CN110076365B (en) | 2019-05-07 | 2019-05-07 | Centrifugal anchor clamps of axle type |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110076365B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113118822A (en) * | 2021-04-21 | 2021-07-16 | 武汉荣拓智能设备有限公司 | CNC numerical control lathe axle type work piece adds clamping apparatus |
| CN115121819A (en) * | 2022-09-02 | 2022-09-30 | 溧阳市兴达机械有限公司 | Heating roller machining lathe |
| CN115673365A (en) * | 2022-12-30 | 2023-02-03 | 江苏创一精锻有限公司 | CNC numerical control lathe axle type work piece adds clamping apparatus |
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| GB679147A (en) * | 1950-01-18 | 1952-09-10 | Fischer Ag Georg | Driver for lathes |
| EP0014138A1 (en) * | 1979-01-23 | 1980-08-06 | Etablissements M. Muller & Cie | Device for mounting vehicle wheels on a balancing apparatus |
| DE3204987A1 (en) * | 1982-02-12 | 1983-08-25 | Supfina Maschinenfabrik Hentzen GmbH & Co KG, 5630 Remscheid | Clamping device for disc-shaped workpieces |
| CN204504272U (en) * | 2015-04-08 | 2015-07-29 | 兰州工业学院 | Centrifugal Automatic-clamping scroll chuck |
| CN204867489U (en) * | 2015-06-03 | 2015-12-16 | 十堰方石汽车零部件有限公司 | Three -jaw centrifugal chuck with adjustable |
| CN105499621A (en) * | 2016-01-11 | 2016-04-20 | 贵阳志源机械产品开发有限公司 | Centrifugal automatic chuck |
| CN207013743U (en) * | 2017-07-11 | 2018-02-16 | 江门江菱电机电气有限公司 | A kind of lathe automatic chuck device |
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2019
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Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB679147A (en) * | 1950-01-18 | 1952-09-10 | Fischer Ag Georg | Driver for lathes |
| EP0014138A1 (en) * | 1979-01-23 | 1980-08-06 | Etablissements M. Muller & Cie | Device for mounting vehicle wheels on a balancing apparatus |
| DE3204987A1 (en) * | 1982-02-12 | 1983-08-25 | Supfina Maschinenfabrik Hentzen GmbH & Co KG, 5630 Remscheid | Clamping device for disc-shaped workpieces |
| CN204504272U (en) * | 2015-04-08 | 2015-07-29 | 兰州工业学院 | Centrifugal Automatic-clamping scroll chuck |
| CN204867489U (en) * | 2015-06-03 | 2015-12-16 | 十堰方石汽车零部件有限公司 | Three -jaw centrifugal chuck with adjustable |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113118822A (en) * | 2021-04-21 | 2021-07-16 | 武汉荣拓智能设备有限公司 | CNC numerical control lathe axle type work piece adds clamping apparatus |
| CN115121819A (en) * | 2022-09-02 | 2022-09-30 | 溧阳市兴达机械有限公司 | Heating roller machining lathe |
| CN115121819B (en) * | 2022-09-02 | 2022-11-04 | 溧阳市兴达机械有限公司 | Heating roller machining lathe |
| CN115673365A (en) * | 2022-12-30 | 2023-02-03 | 江苏创一精锻有限公司 | CNC numerical control lathe axle type work piece adds clamping apparatus |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110076365B (en) | 2021-04-16 |
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