CN106670863B - A kind of fixture - Google Patents
A kind of fixture Download PDFInfo
- Publication number
- CN106670863B CN106670863B CN201610978424.4A CN201610978424A CN106670863B CN 106670863 B CN106670863 B CN 106670863B CN 201610978424 A CN201610978424 A CN 201610978424A CN 106670863 B CN106670863 B CN 106670863B
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- Prior art keywords
- workpiece
- positioning
- slider
- pressed slider
- positioning seat
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Classifications
-
- 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
- B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
- B23Q3/06—Work-clamping means
- B23Q3/08—Work-clamping means other than mechanically-actuated
- B23Q3/082—Work-clamping means other than mechanically-actuated hydraulically actuated
-
- 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
- B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
- B23Q3/06—Work-clamping means
- B23Q3/061—Work-clamping means adapted for holding a plurality of workpieces
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Jigs For Machine Tools (AREA)
Abstract
The invention discloses a kind of fixtures, including pedestal, positioning seat, vertically oriented Agency sliding block self-locking mechanism, positioning seat to be mounted on the base, and has the workpiece installation position for accommodating workpiece on positioning seat；Vertically oriented mechanism is mounted on the base, and double-slider self-locking mechanism is installed on positioning seat；The vertically oriented mechanism includes a compression cylinder, pressed slider is connected with above compression cylinder, pressed slider includes a lateral main pressed slider, main pressed slider is connected with a crossbeam, crossbeam both ends are fixed with side pressed slider, and the upper surface of side pressed slider and main pressed slider flush and be located at below workpiece installation position.The present invention can carry out effective, stable, high-precision positioning to the irregular workpiece with curved surface, solve the problems, such as that curved surface positioning is inaccurate, unstable, and goes out two symmetrical structure using one, not only solved the problems, such as that two-way positioning one did not pressed tightly, but also improve processing efficiency.
Description
Technical field
The present invention relates to material processing field of locating technology more particularly to a kind of for the non-regulation work with arcwall face
The stationary fixture of part.
Background technique
Before being processed to workpiece, it is necessary first to fix workpiece, generally fixture be used to complete the fixation of workpiece.
The workpiece of rule of surface is easier to fix, but irregular workpiece, such as the components such as connecting shaft of laptop, positioned
Many troubles can be then encountered in the process, and fixed product need to be balanced by all multi-contact surfaces.Application No. is 201310094208.X
Patent of invention disclose a kind of " arc cavity locating clamp " comprising have pedestal, positioning pin, pressing plate, cylinder and reversal valve, lead to
The circular arc chamber cooperation of the positioning pin and workpiece of arc-shaped surface is crossed to position workpiece, guarantees that circular arc chamber position is fixed, to mention
The precision of height positioning and the yields of product processing.However, the prior art including aforementioned invention, fails effectively
Existing not accurate, the unstable product size error for causing to make of positioning is larger when solving for curve part positioning, makes
When with above-mentioned universal fixturing, be easy unbalance and briquetting pressure not stillbirth product lead to problems such as shake knife, while there is also because positioning with
The disadvantage for causing processing efficiency not high on not.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of designs of structure more rationally, good positioning effect, energy one go out two
Fixture.
In order to solve the above technical problems, the present invention adopts the following technical scheme: a kind of fixture, it is characterised in that: the bottom of including
Seat, positioning seat, vertically oriented Agency sliding block self-locking mechanism, positioning seat are mounted on the base, and are had on positioning seat for holding
Receive the workpiece installation position of workpiece, workpiece is installed in workpiece installation position；Vertically oriented mechanism is docked with the lower part of workpiece, double-slider
Self-locking mechanism is docked with the top of workpiece；Vertically oriented mechanism is mounted on the base, and double-slider self-locking mechanism is installed on positioning seat
On；The vertically oriented mechanism includes a compression cylinder, pressed slider is connected with above compression cylinder, and pressed slider is located at
Below workpiece installation position.
Further, there is workpiece installation position at two on the positioning seat, be symmetrically respectively in the front and rear sides in positioning seat；
There are several self-locking mechanism fixing seats between two workpiece installation positions.
Further, several double-slider self-locking mechanisms are installed in a manner of one-to-one in self-locking mechanism fixing seat, and
The upper surface of double-slider self-locking mechanism is equipped with upper cylinder；Each double-slider self-locking mechanism includes pendulum gear, pendulum gear
Has bevelled swinging block for both sides of the edge, the top of swinging block and the telescopic rod of upper cylinder connect；In the two sides of pendulum gear
It is respectively provided with side pressure positioning mechanism, side pressure positioning mechanism is in contact with pendulum gear.
Further, the side pressure positioning mechanism includes the arc protrusion docked with pendulum gear inclined-plane, and arc protrusion is logical
It crosses shaft to be installed in a sideslip fixing seat, the outside of sideslip fixing seat connects a side pressure sliding block, the side pressure sliding block difference on both sides
It is in contact with the upper inner face of two workpiece；Pendulum gear and arc protrusion are located at an enclosure interior, and shell is fixed on positioning seat
On.
Further, it is equipped with retainer component in one end of workpiece installation position, retainer component includes the retainer on pedestal
Cylinder and the material carrying mechanism connecting with retainer cylinder, material carrying mechanism are located at workpiece installation position longitudinal direction side.
Further, the pressed slider includes lateral main pressed slider, and main pressed slider is connected with a crossbeam, horizontal
Beam both ends are fixed with side pressed slider, and the upper surface of side pressed slider and main pressed slider flush；It is compressed in main pressed slider and side
The both ends of sliding block are connected separately with limited block, and limited block is stuck in the outside of positioning seat.
Further, it is respectively provided with an anchor point in the lower part upper position of workpiece installation position, anchor point protrudes from workpiece peace
It fills in position；Anchor point positioned at a side on the inside of workpiece is inside anchor point, and the anchor point positioned at a side on the outside of workpiece is fixed for outside
Site；The upper surface of main pressed slider and side pressed slider is equipped with the positioning brackets for holding up workpiece bottom.
Further, the both sides of the positioning brackets have lug boss, and a positioning convex strip is respectively provided in two lug bosses,
Under vertically oriented mechanism raised configuration, two convex strip holders are in the bottom of workpiece；Inside anchor point, outside anchor point and convex
Item constitutes 3 curved surface location structures together.
Preferably, the pedestal includes bottom plate, vertical plate and upper plate, and two vertical plates are fixed on bottom plate, and compression cylinder is installed on
Between two vertical plates；Upper plate is fixed on vertical plate, and positioning seat is installed in upper plate.
Preferably, the material carrying mechanism is T-type structure, and upper part transverse end is docked with workpiece installation position end, and lower part
Vertical end is then connect with the telescopic rod of retainer cylinder.
Course of work explanation: due to entire fixture be it is edge-on be installed on four axis, when processing, by workpiece along the upper of fixture
Face is pushed into workpiece installation position, and the lower end of workpiece is held by material carrying mechanism to prevent from continuing gliding.Then compression cylinder pushes main pressure
Tight sliding block simultaneously drives side pressed slider workpiece pressing, should be in the process using three pressure points being evenly arranged on positioning seat, i.e. inside is fixed
Site, outside anchor point and positioning convex strip, wherein positioning convex strip is moving point, and moving point moves radially workpiece pressing；Then on
Cylinder pushes pendulum gear to move down, squeezes two sides arc protrusion using inclined-plane, is led to again by the adjust automatically of pendulum gear
Side pressure positioning mechanism is crossed to the product of not uniform thickness while being compressed；Last retainer cylinder withdraws material carrying mechanism, gets out of the way to workpiece lower end
Machined surface to be processed, clamping complete.
The present invention passes through the mutual cooperation of double-slider self-locking mechanism, positioning seat and vertically oriented mechanism, and utilizes inside fixed
The curved surface three-point fix structure that site, outside anchor point and positioning convex strip are constituted, to reach to the irregular work with curved surface
Part carries out effective, stable, high-precision positioning, solves the problems, such as that curved surface positioning is inaccurate, unstable, improves positioning accuracy and stabilization
Property, and go out two symmetrical structure using one, not only solved the problems, such as that two-way positioning one did not pressed tightly, but also improve processing effect
Rate.
Detailed description of the invention
Fig. 1 is overall structure figure of the present invention；
Fig. 2 is Facad structure figure of the present invention；
Fig. 3 is construction profile of the present invention；
Fig. 4 is the structure chart that the present invention removes double-slider self-locking mechanism；
Fig. 5 is internal structure chart of the present invention；
Fig. 6 is the partial enlarged view of Fig. 5；
Fig. 7 is double-slider self-locking mechanism structure chart；
Fig. 8 is double-slider self-locking mechanism sectional view.
In figure, 1 is bottom plate, and 2 be positioning seat, and 3 be workpiece, and 4 be compression cylinder, and 5 be upper cylinder, and 6 be main pressed slider, 7
It is side pressed slider for crossbeam, 8,9 be double-slider self-locking mechanism, and 10 be limited block, and 11 be vertical plate, and 12 be upper plate, and 13 be retainer
Cylinder, 14 be material carrying mechanism, and 15 be workpiece installation position, and 16 be positioning convex strip, and 17 be side pressure sliding block, and 18 be sideslip fixing seat, 19
It is shell for pendulum gear, 20,21 be arc protrusion, and 22 be inside anchor point, and 23 be outside anchor point, and 24 is solid for self-locking mechanism
Reservation, 25 be positioning brackets.
Specific embodiment
Below in conjunction with attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that institute
The embodiment of description is only a part of the embodiments of the present invention, instead of all the embodiments.Based on the implementation in the present invention
Example, every other embodiment obtained by those of ordinary skill in the art without making creative efforts belong to
The scope of protection of the invention.
It is to be appreciated that if relating to directionality instruction (such as up, down, left, right, before and after ...) in the embodiment of the present invention,
Then directionality instruction be only used for explain under a certain particular pose (as shown in the picture) between each component relative positional relationship,
Motion conditions etc., if the particular pose changes, directionality instruction is also correspondingly changed correspondingly.
In the present embodiment, referring to FIG. 1, FIG. 2 and FIG. 3, the fixture, including pedestal, positioning seat 2, vertically oriented mechanism and
Double-slider self-locking mechanism 9, positioning seat 2 are mounted on the base, and have the workpiece installation position 15 for accommodating workpiece 3 on positioning seat 2,
Workpiece 3 is installed in workpiece installation position 15；Vertically oriented mechanism is docked with the lower part (similar circular shaft shape) of workpiece 3, double-slider
Self-locking mechanism 9 is docked with the top (similar curved shape) of workpiece 3；Vertically oriented mechanism is mounted on the base, and double-slider is self-locking
Mechanism 9 is installed on positioning seat 2；The vertically oriented mechanism includes a compression cylinder 4, and it is horizontal that compression cylinder 4 connects one above
To main pressed slider 6, main pressed slider 6 is connected with a crossbeam 7, and 7 both ends of crossbeam are fixed with side pressed slider 8, and side, which compresses, to be slided
The upper surface of block 8 and main pressed slider 6 flush and are located at below workpiece installation position.
There is workpiece installation position 15 at two on the positioning seat 2, be symmetrically respectively in the front and rear sides in positioning seat 2；Two
There are several self-locking mechanism fixing seats 24 between workpiece installation position 15.
Referring to Fig.1, Fig. 7 and Fig. 8, several double-slider self-locking mechanisms 9 are installed on self-locking mechanism in a manner of one-to-one and fix
On seat 24, and upper cylinder 5 is installed in the upper surface of double-slider self-locking mechanism 9；Each double-slider self-locking mechanism 9 includes pendulum
Mechanism 19, pendulum gear 19 are that both sides of the edge have bevelled swinging block, and the top of swinging block and the telescopic rod of upper cylinder 5 connect
It connects；It is respectively provided with side pressure positioning mechanism in the two sides of pendulum gear 19, side pressure positioning mechanism is in contact with pendulum gear.
The side pressure positioning mechanism includes the arc protrusion 21 docked with 19 inclined-plane of pendulum gear, and arc protrusion 21 is by turning
Axis is installed in a sideslip fixing seat 18, and the outside of sideslip fixing seat 18 connects a side pressure sliding block 17, the side pressure sliding block 17 on both sides
It is in contact respectively with the upper inner face of two workpiece 3；Pendulum gear 19 and arc protrusion 21 are located inside a shell 20, shell 20
It is fixed on positioning seat 2.
Referring to Fig. 5, it is equipped with retainer component in one end of workpiece installation position 15, retainer component includes the retainer on pedestal
Cylinder 13 and the material carrying mechanism 14 connecting with retainer cylinder 13, material carrying mechanism 14 are located at the longitudinal side in workpiece installation position 15.
Referring to Fig. 4 and Fig. 5, it is respectively provided with an anchor point in the lower part upper position of workpiece installation position 15, anchor point protrudes from
In workpiece installation position 15；Anchor point positioned at a side on the inside of workpiece is inside anchor point 22, positioned at the positioning of a side on the outside of workpiece
Point is outside anchor point 23；The upper surface of main pressed slider 6 and side pressed slider 8 is equipped with for holding up determining for 3 bottom of workpiece
Position bracket 25.
Referring to Fig. 6, the both sides of the positioning brackets 25 have lug boss, and a positioning convex strip is respectively provided in two lug bosses
16, under vertically oriented mechanism raised configuration, two positioning convex strips, 16 support is in the bottom of workpiece 3；Inside anchor point 22, outer side positioning
Point 23 constitutes 3 curved surface location structures with positioning convex strip 16 together.
Referring to Figures 1 and 2, the pedestal includes bottom plate 1, vertical plate 11 and upper plate 12, and two vertical plates 11 are fixed on bottom plate 1,
Compression cylinder 4 is installed between two vertical plates 11；Upper plate 12 is fixed on vertical plate 11, and positioning seat 2 is installed in upper plate.
It is connected separately with limited block 10 at the both ends of main pressed slider 6 and side pressed slider 8, limited block is stuck in positioning seat
Outside.
Referring to Fig. 5, the material carrying mechanism 14 is T-type structure, and upper part transverse end is docked with 15 end of workpiece installation position, and
Lower vertical end is then connect with the telescopic rod of retainer cylinder 13.
Course of work explanation: due to entire fixture be it is edge-on be installed on four axis (not shown), when processing, by workpiece 3
It is pushed into workpiece installation position 15 along the upper surface of fixture, the lower end of workpiece 3 is held by material carrying mechanism 14 and prevents from continuing gliding.Then it presses
Tight cylinder 4 pushes main pressed slider 6 and drives 8 workpiece pressing 3 of side pressed slider, should utilize and is evenly arranged on positioning seat 2 in the process
Three pressure points, i.e. inside anchor point 22, outside anchor point 23 and positioning convex strip 16, wherein positioning convex strip 16 is moving point, living
Dynamic point moves radially workpiece pressing 3；Then upper cylinder 5 pushes pendulum gear to move down, and it is convex to squeeze two sides arc using inclined-plane
Portion 21 passes through side pressure positioning mechanism to the product of not uniform thickness by the adjust automatically of pendulum gear 19 again while compressing；Most butt
Expect that cylinder 13 withdraws material carrying mechanism, get out of the way to the machined surface of 3 lower end of workpiece to process, clamping is completed.
The above description is only a preferred embodiment of the present invention, is not intended to limit the scope of the invention, all at this
Under the inventive concept of invention, using equivalent structure transformation made by description of the invention and accompanying drawing content, or directly/use indirectly
It is included in other related technical areas in scope of patent protection of the invention.
Claims (10)
1. a kind of fixture, it is characterised in that: including pedestal, positioning seat, vertically oriented Agency sliding block self-locking mechanism, positioning seat
It is mounted on the base, there is the workpiece installation position for accommodating workpiece on positioning seat；The lower part pair of vertically oriented mechanism and workpiece
It connects, double-slider self-locking mechanism is docked with the top of workpiece；Vertically oriented mechanism is mounted on the base, the installation of double-slider self-locking mechanism
In on positioning seat；The vertically oriented mechanism includes a compression cylinder, and pressed slider is connected with above compression cylinder, compresses and slides
Block is located at below workpiece installation position；The double-slider self-locking mechanism includes pendulum gear, and pendulum gear has for both sides of the edge
The top of the swinging block on inclined-plane, swinging block is connect with driving device；Side pressure positioning mechanism, side are respectively provided in the two sides of pendulum gear
Pressure positioning mechanism is in contact with pendulum gear.
2. fixture according to claim 1, it is characterised in that: there is workpiece installation position at two, symmetrically on the positioning seat
It is respectively in the front and rear sides in positioning seat；There are several self-locking mechanism fixing seats between two workpiece installation positions.
3. fixture according to claim 2, it is characterised in that: several double-slider self-locking mechanisms are installed in a manner of one-to-one
In in self-locking mechanism fixing seat, and upper cylinder is installed in the upper surface of double-slider self-locking mechanism；The swinging block of pendulum gear it is upper
The connection of the telescopic rod of portion and upper cylinder.
4. fixture according to claim 3, it is characterised in that: the side pressure positioning mechanism includes and pendulum gear inclined-plane pair
The arc protrusion connect, arc protrusion are installed in a sideslip fixing seat by shaft, and the outside of sideslip fixing seat connects a side pressure
Sliding block, the side pressure sliding block on both sides are in contact with the upper inner face of two workpiece respectively；Pendulum gear and arc protrusion are located at a shell
Internal portion, shell are fixed on positioning seat.
5. fixture according to claim 1, it is characterised in that: be equipped with retainer component, retainer in one end of workpiece installation position
Component includes that the retainer cylinder being set on pedestal and the material carrying mechanism connecting with retainer cylinder, material carrying mechanism are located at workpiece installation position
Longitudinal side.
6. fixture according to claim 1, it is characterised in that: the pressed slider includes lateral main pressed slider,
Main pressed slider is connected with a crossbeam, and crossbeam both ends are fixed with side pressed slider, the upper surface of side pressed slider and main pressed slider
It flushes；It is connected separately with limited block at the both ends of main pressed slider and side pressed slider, limited block is stuck in the outside of positioning seat.
7. fixture according to claim 6, it is characterised in that: be respectively provided with centainly in the lower part upper position of workpiece installation position
Site, anchor point protrude from workpiece installation position；Anchor point positioned at a side on the inside of workpiece is inside anchor point, is located at outside workpiece
The anchor point of one side of side is outside anchor point；The upper surface of main pressed slider and side pressed slider is equipped with for holding up workpiece bottom
The positioning brackets in portion.
8. fixture according to claim 7, it is characterised in that: the both sides of the positioning brackets have lug boss, convex two
It is respectively provided with a positioning convex strip in the portion of rising, under vertically oriented mechanism raised configuration, two convex strip holders are in the bottom of workpiece；Inside
Anchor point, outside anchor point constitute 3 curved surface location structures together with positioning convex strip.
9. fixture according to claim 1, it is characterised in that: the pedestal includes bottom plate, vertical plate and upper plate, and two vertical plates are solid
Due on bottom plate, compression cylinder is installed between two vertical plates；Upper plate is fixed on vertical plate, and positioning seat is installed in upper plate.
10. fixture according to claim 5, it is characterised in that: the material carrying mechanism is T-type structure, upper part transverse end
It is docked with workpiece installation position end, and lower vertical end is then connect with the telescopic rod of retainer cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610978424.4A CN106670863B (en) | 2016-11-07 | 2016-11-07 | A kind of fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610978424.4A CN106670863B (en) | 2016-11-07 | 2016-11-07 | A kind of fixture |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106670863A CN106670863A (en) | 2017-05-17 |
| CN106670863B true CN106670863B (en) | 2019-03-22 |
Family
ID=58840289
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610978424.4A Active CN106670863B (en) | 2016-11-07 | 2016-11-07 | A kind of fixture |
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| Country | Link |
|---|---|
| CN (1) | CN106670863B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203471425U (en) * | 2013-08-08 | 2014-03-12 | 天津东义镁制品股份有限公司 | Clamp air cylinder positioning device |
| CN203566360U (en) * | 2013-11-28 | 2014-04-30 | 无锡市航鹄科技有限公司 | Shell body drilling positioning tool |
| CN104148717A (en) * | 2013-05-13 | 2014-11-19 | 烟台中集来福士海洋工程有限公司 | Semifocal chord pipe groove processing method and device |
| CN104369019A (en) * | 2014-11-13 | 2015-02-25 | 重庆联合机器制造有限公司 | Cam shaft keywaying milling jig |
| CN204771756U (en) * | 2015-07-16 | 2015-11-18 | 嘉兴市新望机械制造有限公司 | Bent axle major axis deep hole boring grab |
-
2016
- 2016-11-07 CN CN201610978424.4A patent/CN106670863B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104148717A (en) * | 2013-05-13 | 2014-11-19 | 烟台中集来福士海洋工程有限公司 | Semifocal chord pipe groove processing method and device |
| CN203471425U (en) * | 2013-08-08 | 2014-03-12 | 天津东义镁制品股份有限公司 | Clamp air cylinder positioning device |
| CN203566360U (en) * | 2013-11-28 | 2014-04-30 | 无锡市航鹄科技有限公司 | Shell body drilling positioning tool |
| CN104369019A (en) * | 2014-11-13 | 2015-02-25 | 重庆联合机器制造有限公司 | Cam shaft keywaying milling jig |
| CN204771756U (en) * | 2015-07-16 | 2015-11-18 | 嘉兴市新望机械制造有限公司 | Bent axle major axis deep hole boring grab |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106670863A (en) | 2017-05-17 |
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