CN108214037A - Machine tool fixture - Google Patents
Machine tool fixture Download PDFInfo
- Publication number
- CN108214037A CN108214037A CN201810015422.4A CN201810015422A CN108214037A CN 108214037 A CN108214037 A CN 108214037A CN 201810015422 A CN201810015422 A CN 201810015422A CN 108214037 A CN108214037 A CN 108214037A
- Authority
- CN
- China
- Prior art keywords
- pedestal
- workpiece
- briquetting
- binder
- voussoir
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
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
-
- 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
- B23Q3/069—Work-clamping means for pressing workpieces against a work-table
-
- 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
- B23Q2703/00—Work clamping
- B23Q2703/02—Work clamping means
- B23Q2703/04—Work clamping means using fluid means or a vacuum
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Jigs For Machine Tools (AREA)
Abstract
The invention discloses a kind of machine tool fixture, including：Pedestal, the pedestal are provided with workpiece support face, and X is provided with to locating piece and Y-direction locating piece around the workpiece support face；The pedestal is equipped with Z-direction force voussoir and X to mobile briquetting, the Z-direction force voussoir is provided with force inclined-plane, the X is provided with stress inclined-plane to mobile briquetting, the force inclined-plane mutually reclines with the stress inclined-plane, and Z-direction force voussoir and the X are slidably matched and constrained by guide frame to moving briquetting.The present invention enormously simplifies the clamping device of fixture, reduce the occupancy to clamping workpiece space, it can effectively avoid interference cutter, mitigate overall weight, workpiece after feeding can automatic pressing material, during compression workpiece will not Z-direction upwarp, and compressing member is not present in the upper surface of workpiece, it is processed convenient for Z axis, is particularly suitable for matching with Four-axis milling center.
Description
Technical field
It is matching used to workpiece progress the present invention relates to clamping tool for machine work technical field more particularly to a kind of and lathe
Position the technological equipment clamped.
Background technology
In metal cutting process lathe, three axis machining center or Four-axis milling center are widely used.Three axis machining
Center usually have X Y tri- linear displacement axis of Z, so-called Four-axis milling center be usually X Y Z tri- linear displacement axis
On the basis of added a rotary shaft, commonly referred to as the 4th axis.
When being machined resolution process, first folder position of workpiece is usually smooth surface punching, and most handy " four axis " is processed, but
Since first folder position is machining blanks material, if with " four axis ", the bad pressure holding of Z-direction, which limits tearing open for processing procedure
Point.
Based on above-mentioned contradiction, in the prior art, first folder position is generally processed with " three axis ", processes location hole later again
Some specific characteristics are processed with " four axis ".In terms of work piece holder, a direction pressure holding workpiece is led only there are one direction energy stress
It causes that a hold-down mechanism must be needed to fix workpiece on a direction, the clamping that hold-down mechanism excessively can not only occupy workpiece is empty
Between, but also can be huge due to mechanism and interfere cutter, even more than " four axis " can the weight that can bear, it has to one
A little folder positions for needing to use " four axis " are forced to be changed to first with " three axis ", rear to use " four axis ", so as to reduce production efficiency.
Invention content
To overcome drawbacks described above of the prior art, the technical problems to be solved by the invention are to provide a kind of lathe folder
Tool to simplify its clamping device, and then reduces the occupancy to clamping workpiece space, avoids interference with cutter, mitigates overall weight, just
It is processed in Z axis.
In order to solve the above technical problems, the technical scheme is that：A kind of machine tool fixture, including：Pedestal, the pedestal
Workpiece support face is provided with, X is provided with to locating piece and Y-direction locating piece around the workpiece support face；The pedestal is equipped with Z
To force voussoir and X to mobile briquetting, the Z-direction force voussoir is provided with force inclined-plane, the X to mobile briquetting be provided with by
Power inclined-plane, the force inclined-plane mutually recline with the stress inclined-plane, and the Z-direction force voussoir passes through with the X to mobile briquetting
Guide frame is slidably matched and constrained；The pedestal is provided with inclined briquetting support face and briquetting guide part, the X to
Mobile briquetting is placed in the briquetting support face, is slidably matched with the briquetting guide part and constrained；The pedestal is provided with
Voussoir guide part, the Z-direction force voussoir is slidably matched with the voussoir guide part and constrained, the Z-direction force voussoir
Connecting portion extend downwardly the pedestal along Z-direction and connect with linear reciprocation power plant.
Wherein, the guide frame of Z-direction force voussoir and the X between mobile briquetting is dovetail guide frame, institute
It is the dovetail body and dovetail groove being slidably matched to state dovetail guide frame.
Wherein, the X is position block to locating piece, and the workpiece of the position block abuts against face and is obliquely installed.
Wherein, the workpiece of the position block abuts against face and is provided with anti-slop serrations, and the workpiece of the X to mobile briquetting abuts against face
It is provided with anti-slop serrations.
Wherein, the Y-direction locating piece is positioning pin, and the positioning pin is fixedly connected with the pedestal.
Wherein, the voussoir guide part is lead, and the lead is fixedly connected with the pedestal, and the briquetting is oriented to
Part is the guide pad for being located at the X to mobile briquetting both sides, and the guide pad is fixedly connected with the pedestal.
Wherein, the linear reciprocation power plant is cylinder.
Wherein, the cylinder is installed on machine frame, and the pedestal and the X are fixedly connected on the tooling to locating piece
Frame.
Wherein, the pedestal is provided with Y-direction elastic pressed piece, and the Y-direction elastic pressed piece is opposite with the Y-direction locating piece
Setting.
Wherein, the fixture further includes material pressing device, and the material pressing device includes：Main shaft connection handle, binder upper plate, binder
Spring, binder lower plate and binder pressure head, the binder upper plate are fixedly connected with the main shaft connection handle, and the binder lower plate opens up
There is pressure head mounting hole, the binder pressure head stretches out from the pressure head mounting hole and is limited in the pressure head mounting hole, the binder
Upper plate is fixedly connected with the binder lower plate and passes through the binder spring is elastically mounted to the binder by the binder pressure head
Lower plate.
After adopting the above technical scheme, the beneficial effects of the invention are as follows：
1) driving Z-direction force voussoir moves down, and using inclined plane principle, X is pushed to press to workpiece to mobile briquetting, since briquetting is held
Support is inclined, thus X exerts a force to mobile briquetting to the obliquely downward of workpiece, can thus apply X to the same of pressing force
When apply Z-direction pressing force, achieve the effect that side pushes away in one direction, both direction stress.When Z-direction force voussoir moves up, due to Z
It is slidably matched to force voussoir with X to mobile briquetting by guide frame and constrained, Z-direction force voussoir is tied by the guiding
Structure can pull X to retract to mobile briquetting, convenient for picking and placeing workpiece.
2) X abuts against face to the workpiece of locating piece and is obliquely installed, and when abutting against face and workpiece and abutting against, can also generate Z-direction component,
With X to the common clamping workpiece of mobile briquetting, clamped in Z-direction more securely.
3) workpiece of position block and X to mobile briquetting abuts against face and is respectively provided with anti-slop serrations, clamps more secured.
4) Y-direction elastic pressed piece can help workpiece to be clamped in advance in Y-direction.
5) setting material pressing device can make workpiece X to the workpiece support face of in Z-direction clamping process, being close to pedestal, pressure
When tight workpiece will not Z-direction upwarp, improve the Set and Positioning precision of workpiece.
In conclusion the present invention enormously simplifies the clamping device of fixture, reduce the occupancy to clamping workpiece space, it can
Effectively avoid interference with cutter, mitigate overall weight, workpiece after feeding can automatic pressing material, during compression workpiece will not Z-direction upwarp, and
And there is no compressing members for the upper surface of workpiece, are processed convenient for Z axis, are particularly suitable for matching with Four-axis milling center.
Description of the drawings
Fig. 1 is the structure diagram of machine tool fixture embodiment of the present invention；
Fig. 2 is the installation diagram of pedestal and relevant portion in Fig. 1；
Fig. 3 is the longitudinal sectional view of material pressing device in Fig. 1；
Fig. 4 is structure diagram of the pedestal with X to mobile briquetting in Fig. 1；
Fig. 5 be in Fig. 1 X to the structure diagram of locating piece；
Fig. 6 is front views of the X shown in Fig. 5 to locating piece；
Fig. 7 is the binder status diagram of embodiment illustrated in fig. 1；
Fig. 8 is the Workpiece clamping status diagram of embodiment illustrated in fig. 1；
In figure, 10- material pressing devices, 11- main shaft connection handles, 12- binder upper plates, 13- binder springs, 14- binder lower plates,
15- binder pressure heads, 20- pedestals, for 21-Z to force voussoir, 211- is oriented to post holes, 212- dovetail guide frames, and 22-X is pressed to mobile
Block, 221- anti-slop serrations, 222- forces inclined-plane, 23-X is to locating piece, 231- anti-slop serrations, and 24-Y is to elastic pressed piece, guide 25-X
To part, 26-Y is to locating piece, 27- workpiece supports face, 28- briquetting supports face, 29- cylinders, 30- machine frames, 40- workpiece.
Specific embodiment
It elaborates with reference to the accompanying drawings and embodiments to the present invention.For the ease of understanding the design of this programme, in Fig. 1
With X-direction, Y-direction and Z-direction are shown in Fig. 2, these agreements are not construed as limitation of the invention.
As shown in Figure 1, a kind of machine tool fixture, mainly includes material pressing device 10, pedestal 20 and associated components and machine frame
30 three parts.Material pressing device 10 is complementary, and concrete structure will be further described below.Machine frame 30 is used for support
Pedestal 20 and associated components, and connect with the workbench of lathe (Four-axis milling center).
Following emphasis describes pedestal 20 and associated components.
If Fig. 1 and Fig. 2 are jointly shown, pedestal 20 is provided with workpiece support face 27, for support workpiece 40, obtains workpiece 40
Z-direction is obtained to bear against.X is provided with to locating piece 23 and Y-direction locating piece 26 around workpiece support face 27, Y-direction locating piece 26 is positioning pin,
Positioning pin is fixedly connected with pedestal 20, for workpiece 40 provide Y-direction positioning and bear against, X to locating piece 23 be position block,
It is fixed on machine frame 30, if position block is set as one with pedestal 20, manufacture difficulty can be increased, X is used for locating piece 23
X is provided workpiece 40 to positioning and is born against.
The relative position of Y-direction locating piece 26 is provided with Y-direction elastic pressed piece 24, Y-direction elastic pressed piece 24 is elastic
Backing pin is fixed on pedestal 20, and after feeding, elastic pressed piece 24 can push workpiece 40 to Y-direction locating piece 26 using natural resiliency,
Realize pre-pressing of the workpiece in Y-direction.
Jointly shown with Fig. 4 as shown in Figure 1, Figure 2, Z-direction force voussoir 21 and X are installed on to mobile briquetting 22 on pedestal 20, Z-direction
Force voussoir 21 is provided with force inclined-plane, and X is provided with stress inclined-plane 222, force inclined-plane and stress inclined-plane 222 to mobile briquetting 22
It mutually reclines, Z-direction voussoir 21 and the X that exerts a force is slidably matched and constrained to briquetting 22 is moved by guide frame, it is preferred that this is led
It is dovetail guide frame 212 to structure, dovetail body is slidably matched with dovetail groove, and dovetail body and dovetail groove are separately positioned on Z-direction
Force voussoir 21 and X are provided in Z-direction force voussoir 21 or X to mobile briquetting 22 on mobile briquetting 22, as dovetail body
It is upper not important, it is important that the relationship that is slidably connected of both, when Z-direction force voussoir 21 moves down, using inclined plane principle,
Push X to mobile briquetting 22 to both sides movement (there are two mobile briquettings 22, respectively positioned at the left and right sides of Z-direction force voussoir 21,
Two workpiece 40 can be compressed simultaneously), when Z-direction force voussoir 21 moves up, X can be pulled to movement by the guide frame
Briquetting 22 retracts, and convenient for picking and placeing workpiece, improves the clamping efficiency of the fixture.
Z-direction force voussoir 21 and X are required for setting guider to mobile briquetting 22.Pedestal 20 is provided with inclined briquetting
Support face 28 and briquetting guide part 25, X are placed on briquetting support face 28 to mobile briquetting 22, are slidably matched with briquetting guide part 25
And it is constrained, briquetting guide part 25 is the guide pad for being located at X to mobile 22 both sides of briquetting, and the guide pad is fixed with pedestal 20
Connection.Pedestal 20 is provided with voussoir guide part (not shown), Z-direction force voussoir 21 be slidably matched with voussoir guide part and by
It is constrained, and voussoir guide part is lead (the guiding post holes 211 that installation lead is shown in Fig. 1 and Fig. 2), lead and base
Seat 20 is fixedly connected.
The connecting portion of Z-direction force voussoir 21 extends downwardly pedestal 20 along Z-direction and is connect with cylinder 29, and cylinder peace 29 is loaded on work
Cylinder 29 is shelved, cylinder 29 can be replaced, such as oil cylinder or electric pushrod etc. with other power plants for doing reciprocating linear, cylinder 29
Power is provided for Z-direction force voussoir 21.
By above description, the principle of present inventive concept can be substantially understood：Driving Z-direction force voussoir 21 moves down, and utilizes
Inclined plane principle pushes X to press to workpiece to mobile briquetting 22, and since briquetting support face 28 is inclined, thus X is to mobile briquetting 22
It exerts a force to the obliquely downward of workpiece, thus can apply Z-direction pressing force while X is applied to pressing force, reach a side
It is pushed away to side, the effect of both direction stress, meanwhile, when force voussoir 21 moves up, Z-direction force voussoir 21 passes through dovetail guide frame
X is pulled to retract to mobile briquetting 22, convenient for picking and placeing workpiece, improves the clamping efficiency of the fixture.
It in order to make Workpiece clamping more secured, is obliquely installed as shown in fig. 6, the workpiece of X to locating piece 23 abuts against face, workpiece top
When being abutted against by face and workpiece, Z-direction component can be generated, with X to 22 common clamping workpiece of mobile briquetting, is clamped in Z-direction more firm
Gu.
In addition, as shown in figure 5, the workpiece of X to locating piece 23, which abuts against face, is provided with anti-slop serrations 231, the X is to mobile briquetting
22 workpiece abuts against face and is also equipped with anti-slop serrations 221.
As shown in figure 3, the concrete structure of material pressing device 10 is：Binder upper plate 12 is fixedly connected with main shaft connection handle 11, pressure
Material lower plate 14 offers pressure head mounting hole, and binder pressure head 15 stretches out from pressure head mounting hole and is limited in pressure head mounting hole, on binder
Plate 12 is fixedly connected with binder lower plate 13 and passes through binder spring 13 is elastically mounted to binder lower plate 14 by binder pressure head 15.Binder
The effect of device 10 is to implement automatic pressing material after charging, finds Z-direction breasting, during compression product will not Z-direction upwarp.
For a further understanding of present inventive concept, Fig. 7 and Fig. 8 illustrate the course of work of the embodiment of the present invention：
As shown in fig. 7, workpiece 40 is placed on the workpiece support face 27 of pedestal 20, Y-direction elastic pressed piece relies on itself
Elastic force tentatively can push workpiece to Y-direction locating piece 26, realize workpiece Y-direction in place；After putting, the main shaft that is connect with main shaft handle 11
Material pressing device 10 is driven to move down, until binder pressure head 15 is pressed onto the (note of workpiece 40：The pressure-plate-force of material pressing device will be much smaller than under cylinder 29
Draw the lateral force generated to workpiece 40), cylinder 29 drives Z-direction force voussoir 21 to move down, utilizes inclined plane principle, Z toward drop-down at this time
X is pushed to be moved to mobile briquetting 22 to both sides to force voussoir 21, workpiece pressing 40.
Then, as shown in figure 8, main shaft drives material pressing device 10 to move up, charging action is completed, and Four-axis milling center starts to cut
Cut processing.After machining, cylinder 29 moves up, and Z-direction force voussoir 21 pulls X to be returned to mobile briquetting 22 by dovetail guide frame
It moves back, X, far from workpiece, carries out feeding to mobile briquetting 22.
For above-described embodiment by the structure of simplified clamping device, reduction fixture, can be effective to the occupancy in clamping workpiece space
Cutter is avoided interference with, mitigates overall weight, there is no compressing members for the upper surface of workpiece, process, are particularly suitable for and four axis convenient for Z axis
Machining center matches.But disclosed design is not limited to above-described embodiment, can also be applied to mechanical processing
Handling equipment or auxiliary binder of process etc..In short, all design, principle, structure and methods based on the present invention are made
The various improvement gone out will be fallen under the scope of the present invention.
Claims (10)
1. a kind of machine tool fixture, including：
Pedestal, the pedestal are provided with workpiece support face, and the workpiece support face is provided with X to be positioned to locating piece and Y-direction
Part；It is characterized in that,
The pedestal is equipped with Z-direction force voussoir and X to mobile briquetting, and the Z-direction force voussoir is provided with force inclined-plane, described
X is provided with stress inclined-plane to mobile briquetting, and the force inclined-plane mutually reclines with the stress inclined-plane, the Z-direction force voussoir and
The X is slidably matched and constrained to mobile briquetting by guide frame；
The pedestal is provided with inclined briquetting support face and briquetting guide part, and the X is placed in the briquetting to mobile briquetting and holds
Support is slidably matched and constrained with the briquetting guide part；
The pedestal is provided with voussoir guide part, the Z-direction force voussoir be slidably matched with the voussoir guide part and by it about
Beam, the connecting portion of the Z-direction force voussoir extend downwardly the pedestal along Z-direction and are connect with linear reciprocation power plant.
2. machine tool fixture as described in claim 1, which is characterized in that Z-direction force voussoir and the X to mobile briquetting it
Between guide frame be dovetail guide frame, the dovetail guide frame is the dovetail body and dovetail groove being slidably matched.
3. machine tool fixture as described in claim 1, which is characterized in that the X is position block to locating piece, and the positioning is kept off
The workpiece of block abuts against face and is obliquely installed.
4. machine tool fixture as claimed in claim 3, which is characterized in that the workpiece of the position block abut against face be provided with it is anti-skidding
Tooth, the workpiece of the X to mobile briquetting abut against face and are provided with anti-slop serrations.
5. machine tool fixture as described in claim 1, which is characterized in that the Y-direction locating piece is positioning pin, the positioning pin with
The pedestal is fixedly connected.
6. machine tool fixture as described in claim 1, which is characterized in that the voussoir guide part is lead, the lead
It is fixedly connected with the pedestal, the briquetting guide part is the guide pad to mobile briquetting both sides, the guide pad positioned at the X
It is fixedly connected with the pedestal.
7. machine tool fixture as described in claim 1, which is characterized in that the linear reciprocation power plant is cylinder.
8. machine tool fixture as claimed in claim 7, which is characterized in that the cylinder is installed on machine frame, the pedestal and
The X is fixedly connected on the machine frame to locating piece.
9. machine tool fixture as described in claim 1, which is characterized in that the pedestal is provided with Y-direction elastic pressed piece, the Y
It is oppositely arranged to elastic pressed piece and the Y-direction locating piece.
10. machine tool fixture as claimed in claim 9, which is characterized in that the fixture further includes material pressing device, the binder dress
Put including：Main shaft connection handle, binder upper plate, binder spring, binder lower plate and binder pressure head, the binder upper plate and the main shaft
Connection handle is fixedly connected, and the binder lower plate offers pressure head mounting hole, and the binder pressure head is stretched out from the pressure head mounting hole
And the pressure head mounting hole is limited in, the binder upper plate is fixedly connected with the binder lower plate and passes through the binder spring will
The binder pressure head is elastically mounted to the binder lower plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810015422.4A CN108214037A (en) | 2018-01-08 | 2018-01-08 | Machine tool fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810015422.4A CN108214037A (en) | 2018-01-08 | 2018-01-08 | Machine tool fixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108214037A true CN108214037A (en) | 2018-06-29 |
Family
ID=62643297
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810015422.4A Pending CN108214037A (en) | 2018-01-08 | 2018-01-08 | Machine tool fixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108214037A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109514308A (en) * | 2018-12-29 | 2019-03-26 | 河南卫华重型机械股份有限公司 | A kind of long narrow workpiece Milling Process tooling |
| CN109732155A (en) * | 2019-01-29 | 2019-05-10 | 上海槎南工贸发展有限公司 | A kind of three-dimensional positioning fixture |
| CN111730387A (en) * | 2020-07-18 | 2020-10-02 | 盐城乔胜机动车配件有限公司 | Vertical machining jig for electric injection air inlet pipe and working method of vertical machining jig |
| CN115284052A (en) * | 2022-10-08 | 2022-11-04 | 赫比(成都)精密塑胶制品有限公司 | Automatic processing device and automatic processing method |
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| CN111730387A (en) * | 2020-07-18 | 2020-10-02 | 盐城乔胜机动车配件有限公司 | Vertical machining jig for electric injection air inlet pipe and working method of vertical machining jig |
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Application publication date: 20180629 |
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| RJ01 | Rejection of invention patent application after publication |