CN106735374A - A kind of scroll chuck with hold-down gear - Google Patents
A kind of scroll chuck with hold-down gear Download PDFInfo
- Publication number
- CN106735374A CN106735374A CN201611084609.7A CN201611084609A CN106735374A CN 106735374 A CN106735374 A CN 106735374A CN 201611084609 A CN201611084609 A CN 201611084609A CN 106735374 A CN106735374 A CN 106735374A
- Authority
- CN
- China
- Prior art keywords
- chuck body
- claw
- hold
- adjustment axis
- chuck
- 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
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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
-
- 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
- B23B31/102—Jaws, accessories or adjustment means
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Gripping On Spindles (AREA)
Abstract
The invention discloses a kind of scroll chuck with hold-down gear, belong to turning attachment field, including chuck body and three mutually isostructural claws, described chuck body is provided with workpiece pressing mechanism, the workpiece pressing mechanism includes frame shape slip base, upper shed plate, small axle and the eccentric handwheel around the rotation of small axle, described frame shape slip base has lower sliding bar, described small axle is fixed on upper shed plate, described lower sliding bar intersects along the rail groove shift reciprocately set on chuck body, the extended line of center line of the rail groove of described chuck body with the center line of chuck body；Adjustment axis are fixedly connected with the upper shed plate, adjustment axis are provided with raised with limited post class inwall identical.Bian of the present invention can avoid clamping workpiece blank from the sliding phenomenon of pine occur with such structure, improve the qualification rate of lathe process, increase lathe process scope.
Description
Technical field
The invention belongs to turning attachment field.
Background technology
Lathe process workpiece includes chuck body and three claws, makes usually using scroll chuck, conventional scroll chuck
During, due to the polymorphic structure to be similar to equilateral triangular shape that workpiece blank has, processed on lathe and appeared in
The sliding phenomenon of blank pine, influences the qualification rate of lathe process during clamping workpiece.
Authorization Notice No. discloses a kind of scroll chuck with hold-down gear for the patent of invention file of CN101758257B,
The chuck includes chuck body and three mutually isostructural claws, and described chuck body is provided with workpiece pressing mechanism, the compression work
Part mechanism includes frame shape slip base, upper shed plate, small axle and the eccentric handwheel around the rotation of small axle, described frame shape sliding seat tool
There is lower sliding bar, described small axle is fixed on upper shed plate, and described lower sliding bar is past along the rail groove set on chuck body
Complex displacement, the extended line of center line of the rail groove of described chuck body intersects with the center line of chuck body；Described frame shape sliding
The lower sliding bar of seat is provided with limited post, and spacing column wall is provided with ordered series of numbers projection, regulation is fixedly connected with the upper shed plate
Axle, adjustment axis are provided with corresponding raised with limited post class inwall.The principle of the invention is：While clamping workpiece, will be upper
Open plate is near workpiece；After common clamping is completed, one is imposed to the side of workpiece again by the eccentric wheel on upper shed plate
Clamping force, avoids clamping workpiece blank from the sliding effect of pine occur so as to reach.Frame shape slip base adjusts clamping position by bearing pin
Put, workpiece pressing mechanism clip position span is big, selects scope small, it is impossible to preferably to be adjusted.It is provided with chuck body T-shaped
Groove, fixed seat is arranged in T-slot by T-bolt, is fixed on chuck body, and claw connecting seat is moved by rotary screw.
T-bolt and workbench T-bolt groove in fixed seat are the presence of certain gap, and during processing workpiece, chuck jaw is easily left
The right side is rocked, and position changes in process to make workpiece, or loosening occurs causes workpiece to fall down, and is unfavorable for adding for workpiece
Work.So the patent has the following disadvantages：1. the small shortcoming of workpiece pressing mechanism clip position range of choice；2. in chuck jaw
There is certain gap in T-bolt, be unfavorable for the problem of processing with inverted T-bolt groove in workbench.
The content of the invention
This patent provides a kind of scroll chuck with hold-down gear, becomes workpiece pressing mechanism clip position range of choice
Greatly, it is small to solve the problems, such as prior art workpiece pressing mechanism clip position range of choice.
The mode that the present invention solves the above problems is to provide new scroll chuck, including chuck body and three identical structures
Claw, described chuck body is provided with workpiece pressing mechanism, the workpiece pressing mechanism include frame shape slip base, upper shed plate,
Small axle and the eccentric handwheel around the rotation of small axle, described frame shape slip base have lower sliding bar, and described small axle is fixed on
Open plate, described lower sliding bar along the rail groove shift reciprocately set on chuck body, the rail groove of described chuck body
The extended line of center line intersects with the center line of chuck body；Described frame shape slip base is spacing also with what is set on lower sliding bar
Post, spacing column wall is provided with the projection of several vertical arrangements, and adjustment axis are fixedly connected with the upper shed plate, is set in adjustment axis
Have raised with limited post class inwall identical.Raised arrangement in the adjustment axis is identical with the projection arrangement on limited post, convex
The thickness risen in vertical direction is 5mm, and the raised vertical range and projection between in limited post is thicker than raised vertical direction
Spend big 0.5mm.
Adjust after the position of fixed seat, first frame shape slip base is adjusted with the spacing of chuck body, then frame shape is slided
Move seat outwards to be translated along the rail groove on chuck body, the workpiece that then will be processed is put on scroll chuck, and three-jaw is inside
Close up the workpiece to be processed of clamping, then, adjustment axis are injected into limited post, by rotating position adjustment raised in adjustment axis
Clearance position between limited post protrusions, enables adjustment axis to be moved in vertical direction.When eccentric handwheel is with regulation axle position
The variation put, when being moved to suitable position, rotate adjustment axis, by the raised precession limited post protrusions in adjustment axis with it is convex
Rise in the gap of vertical direction, thus secure the position of adjustment axis vertical direction.Now, because projection in limited post
Vertical range 0.5mm bigger than the thickness of raised vertical direction between projection, raised small with the gap of raised time, adjustment axis
Hunting range is small not to be influenceed to accommodate.Thickness in raised vertical direction is 5mm, that is, the unit for adjusting is 5mm, for clamping blank
Precision has been obtained for meeting for part.Frame shape slip base is inwardly translated along the rail groove on chuck body again, rotating eccentricity
Handwheel, the Workpiece clamping that will be processed.Such structure, in the polymorphic structure workpiece of the similar equilateral triangular shape of clamping,
Clamping workpiece blank can be avoided the sliding phenomenon of pine occur, increase lathe process scope.Because guide pad work department and gathering sill mistake
Degree coordinates, and workpiece will not be rocked because there is gap during processing workpiece, improve the qualification rate of lathe process, while screw thread is adjusted
Section, has reached effect easy to adjust.
Further, the adjustment axis and nut are fine thread, and the vertical height of additional clamp structure is adjusted with nut, are come
The height of workpiece is adapted to, fine thread ensure that the precision of regulation.
Further, each described claw is by claw connecting seat and the claw clamping part being fixed on the inside of claw connecting seat
Composition, described claw clamping part has swallow-tailed groove.
Further, symmetrical claw clamping is provided with the swallow-tailed groove of the claw clamping part of each described claw
Cushion block.Cushion block can be replaced according to the concrete shape of workpiece, using flexible, possess preferable shaped piece and accommodate ability.
Further, the angle that the dovetail shaped groove of described claw clamping part is formed is 130 degree.130 degree of obtuse angle clamping
The larger-size workpiece effect with arcwall is good.
Brief description of the drawings
A kind of structural representation of the scroll chuck with hold-down gear of Fig. 1 present invention；
Fig. 2 is the A-A section view enlarged diagrams shown in Fig. 1；
Fig. 3 is partial enlarged drawing at E in Fig. 2；
Fig. 4 is C direction views in Fig. 2；
B-B sectional views shown in Fig. 5 Fig. 1；
Partial enlarged drawing at D in Fig. 6 Fig. 3.
Specific embodiment
This patent is described in further detail below by specific embodiment：
Reference in Figure of description includes：, chuck body 1, claw clamping cushion block 2, claw connecting seat 3, claw clamping part
4th, workpiece pressing mechanism 5, rail groove 6, lower sliding bar 7, limited post 8, upper shed plate 9, small axle 10, eccentric handwheel 11, adjustment axis
12nd, adjusting bolt 13, fixed seat 14, guide pad connecting portion 15, guide pad work department 16.
Embodiment 1：Substantially as shown in accompanying drawing 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6：
The present invention includes chuck body 1 and three mutually isostructural claws, and described chuck body 1 is provided with workpiece pressing mechanism 5, should
Workpiece pressing mechanism 5 includes frame shape slip base, upper shed plate 9, small axle 10 and the eccentric handwheel 11 around the rotation of small axle 10, described
Frame shape slip base there is lower sliding bar 7, described small axle 10 is fixed on upper shed plate 9, and described lower sliding bar 7 is along chuck
In the shift reciprocately of rail groove 6 set on body 1, the extended line of the center line of the rail groove 6 of described chuck body 1 and chuck body 1
Heart line intersects；Described frame shape slip base also has the limited post 8 set on lower sliding bar 7, and the inwall of limited post 8 is provided with several hanging down
The projection of in line row, is fixedly connected with adjustment axis 12 under the upper shed plate 9, adjustment axis 12 are provided with and the class inwall of limited post 8
Identical is raised.Raised arrangement in the adjustment axis 12 is identical with the projection arrangement on limited post 8, in raised vertical direction
Thickness is 5mm, thickness big 0.5mm of the raised vertical range and projection between in limited post 8 than raised vertical direction.Each
Claw is constituted by claw connecting seat 3 and the claw clamping part 4 being fixed on the inside of claw connecting seat 3, and claw clamping part 4 has swallow
The groove of shape of tail.Symmetrical claw clamping cushion block 2 is provided with the swallow-tailed groove of the claw clamping part 4 of each claw.Pad
Block can be replaced according to the concrete shape of workpiece.The angle that the dovetail shaped groove of claw clamping part 4 is formed is 130 degree.It is described
Inverted T-slot is provided with chuck body 11, by T-bolt and nut, fixed seat 14 is fixed on chuck body 11, it is described
Claw clamping part 44 is set on chuck connecting seat 3, and the claw connecting seat 33 is moved by rotating adjusting bolt 1313;It is described solid
The bottom of reservation 14 is provided with guide pad, and the guide pad is made up of guide pad connecting portion 15 and guide pad work department 16, guide pad
The connection end of connecting portion 15 is threaded rod, and guide pad connecting portion 15 is threadedly coupled with fixed seat 14.Gathering sill is provided with chuck body 11,
Guide pad work department 16 is interference fits just in the gathering sill of chuck body 11.Guide pad work department 16 is different for forked type
Property block, such as Fig. 4, its four ends at angle are sphere, and there are two positions the inwall of each angle and chuck body 11 or Fixing clamp-seat bottom surface
Contact is put, and is linear contact lay with the way of contact.
Before clamping workpiece, the position of fixed seat 14 is first adjusted, then tighten nut, the position of fixed seat 14 is fixed.
Because gathering sill inwall is linear contact lay in guide pad work department 16 and chuck body 11, it is in course of adjustment, will not be because of
Excessively coordinating makes fixed seat 14 be difficult to move.After adjusting the position of fixed seat 14, first by frame shape slip base and chuck body 1
Spacing is adjusted, then frame shape slip base is outwards translated along the rail groove 6 on chuck body 1, and the workpiece that then will be processed is put
In on scroll chuck, three-jaw is inwardly closed up the workpiece to be processed of clamping, then, adjustment axis 12 are injected into limited post 8, by rotation
Turn position adjustment raised in adjustment axis 12 to the clearance position between the protrusions of limited post 8, enable adjustment axis 12 vertical
Move in direction.When eccentric handwheel 11 is with the variation of the position of adjustment axis 12, when being moved to suitable position, adjustment axis are rotated
12, in the gap by the raised protrusions of precession limited post 8 in adjustment axis 12 with raised vertical direction, thus by adjustment axis 12
The position of vertical direction secures.Now, because the raised vertical range and projection between in limited post 8 is than raised Vertical Square
To the big 0.5mm of thickness, raised small with the gap of raised time, the hunting range of adjustment axis 12 is small not to influence blessing.It is raised vertical
Thickness on direction is 5mm, that is, the unit for adjusting is 5mm, and precision has been obtained for meeting for clamping blank.Again will
Frame shape slip base is inwardly translated along the rail groove 6 on chuck body 1, rotating eccentricity handwheel 11, the Workpiece clamping that will be processed.This
The structure of sample, in the polymorphic structure workpiece of the similar equilateral triangular shape of clamping, can avoid clamping workpiece blank from pine occur sliding
Phenomenon, increases lathe process scope.Because guide pad work department 16 excessively coordinates with gathering sill, workpiece will not during processing workpiece
Being rocked because there is gap, reducing this factor of influence work pieces process size, then improve the qualified of lathe process
Rate, while threaded adjusting, has reached effect easy to adjust.
Above-described is only embodiments of the invention, and the general knowledge such as known concrete structure and characteristic is not made herein in scheme
Excessive description.It should be pointed out that for a person skilled in the art, on the premise of structure of the present invention is not departed from, can be with
Some deformations and improvement are made, these should also be considered as protection scope of the present invention, these are implemented all without the influence present invention
Effect and practical applicability.This application claims protection domain should be defined by the content of its claim, in specification
Specific embodiment etc. records the content that can be used for explaining claim.
Claims (5)
1. a kind of scroll chuck with hold-down gear, including chuck body and three mutually isostructural claws, described chuck body set
Be equipped with workpiece pressing mechanism, the workpiece pressing mechanism include frame shape slip base, upper shed plate, small axle and around small axle rotation it is inclined
Heart handwheel, described frame shape slip base includes lower sliding bar, and described small axle is fixed on upper shed plate, described lower sliding bar edge
The rail groove shift reciprocately set on chuck body, in the extended line of the center line of the rail groove of described chuck body and chuck body
Heart line intersects；It is characterized in that：Described frame shape slip base also includes the fixed limited post in lower sliding bar top, spacing column wall
It is provided with ordered series of numbers raised, adjustment axis is fixedly connected with the upper shed plate, adjustment axis is provided with corresponding with limited post class inwall
It is raised.
2. a kind of scroll chuck with hold-down gear according to claim 1, it is characterised in that：It is convex in the adjustment axis
Play arrangement identical with the projection arrangement on limited post, thickness in raised vertical direction is 5mm, projection and projection in limited post
Between vertical range 0.5mm bigger than the thickness of raised vertical direction.
3. a kind of scroll chuck with hold-down gear according to claim 2, it is characterised in that：Each described claw is equal
It is made up of claw connecting seat and the claw clamping part being fixed on the inside of claw connecting seat, described claw clamping part has dovetail shaped
Groove.
4. a kind of scroll chuck with hold-down gear according to claim 3, it is characterised in that：Each described claw
Symmetrical claw clamping cushion block is provided with the swallow-tailed groove of claw clamping part.
5. a kind of scroll chuck with hold-down gear according to claim 4, it is characterised in that：Described claw clamping part
Dovetail shaped groove formed angle be 130 degree.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611084609.7A CN106735374A (en) | 2016-11-30 | 2016-11-30 | A kind of scroll chuck with hold-down gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611084609.7A CN106735374A (en) | 2016-11-30 | 2016-11-30 | A kind of scroll chuck with hold-down gear |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106735374A true CN106735374A (en) | 2017-05-31 |
Family
ID=58913199
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611084609.7A Pending CN106735374A (en) | 2016-11-30 | 2016-11-30 | A kind of scroll chuck with hold-down gear |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106735374A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10342469A1 (en) * | 2003-02-26 | 2004-09-09 | Stephan Nickel | Workpiece clamping device for a lathe, milling machine, etc. comprises a bench top having an upper side provided with slide guides for receiving clamping devices |
| CN201106707Y (en) * | 2007-08-10 | 2008-08-27 | 彭东 | Mechanism for regulating height of inlet valve |
| CN101758257A (en) * | 2009-11-28 | 2010-06-30 | 芜湖长胜机械制造有限公司 | Three-jaw chuck |
| CN103658717A (en) * | 2013-11-19 | 2014-03-26 | 无锡京华重工装备制造有限公司 | Chuck jaw guiding structure |
| CN203969628U (en) * | 2014-05-29 | 2014-12-03 | 江西省仁和教育技术设备有限责任公司 | A kind of liftable art working table |
| CN204621617U (en) * | 2015-05-05 | 2015-09-09 | 江苏亚美特齿轮有限公司 | Gear ring tooth embryo cutting special fixture |
-
2016
- 2016-11-30 CN CN201611084609.7A patent/CN106735374A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10342469A1 (en) * | 2003-02-26 | 2004-09-09 | Stephan Nickel | Workpiece clamping device for a lathe, milling machine, etc. comprises a bench top having an upper side provided with slide guides for receiving clamping devices |
| CN201106707Y (en) * | 2007-08-10 | 2008-08-27 | 彭东 | Mechanism for regulating height of inlet valve |
| CN101758257A (en) * | 2009-11-28 | 2010-06-30 | 芜湖长胜机械制造有限公司 | Three-jaw chuck |
| CN103658717A (en) * | 2013-11-19 | 2014-03-26 | 无锡京华重工装备制造有限公司 | Chuck jaw guiding structure |
| CN203969628U (en) * | 2014-05-29 | 2014-12-03 | 江西省仁和教育技术设备有限责任公司 | A kind of liftable art working table |
| CN204621617U (en) * | 2015-05-05 | 2015-09-09 | 江苏亚美特齿轮有限公司 | Gear ring tooth embryo cutting special fixture |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170531 |