CN208083879U - A kind of glacing flatness fixture of strip part - Google Patents
A kind of glacing flatness fixture of strip part Download PDFInfo
- Publication number
- CN208083879U CN208083879U CN201721602126.1U CN201721602126U CN208083879U CN 208083879 U CN208083879 U CN 208083879U CN 201721602126 U CN201721602126 U CN 201721602126U CN 208083879 U CN208083879 U CN 208083879U
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- chuck body
- down assembly
- bolt
- fixture
- threaded hole
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Abstract
The utility model is related to work holder field, more particularly to a kind of glacing flatness fixture of strip part, its key points of the technical solution are that：A kind of glacing flatness fixture of strip part, including chuck body offer straight limit hole in the chuck body, and the straight limit hole can accommodate the end of part；Gripper position-limit mechanism is additionally provided in the chuck body；The gripper position-limit mechanism includes that a left side holds down assembly and holds down assembly with the right side, and the left side, which holds down assembly, is set to the side of chuck body, can compress the clamping jaw positioned at the side；The right side, which holds down assembly, is set to the other side of chuck body, can compress the clamping jaw of the side.The glacing flatness fixture of the patent, the volume of fixture is larger, may be only available for the processing of heavy rail metal, is not suitable for the numerically-controlled machine tool of finishing.
Description
Technical field
The utility model is related to work holder field, more particularly to a kind of glacing flatness fixture of strip part.
Background technology
A kind of existing strip square parts 1, as shown in Figure 1, its upper surface center open up along its length it is fluted
2, the center of lower surface also opens up fluted 2 along its length.
It needs to be put into the part in the numerically-controlled machine tool of finishing and be processed, and ensure the straight of part in processing
Degree.Gripper is provided on numerically-controlled machine tool, gripper includes two clamping jaws 5, being capable of holding parts.
For flatness control fixture, the existing following patent in China:
License notification number：CN205342490U discloses a kind of heavy rail metallic inclusion glacing flatness fixture, belongs to inspection
Test technical field.The heavy rail metallic inclusion glacing flatness fixture includes：Lathe bed offers T-slot；Power plant is arranged in bed
With；Movable fixture device is movably arranged in the T-slot that lathe bed opens up, and mobile slide block device connects with power plant；It is fixed to connect
Fitting one end is fixedly connected with movable fixture device, and the other end is movably arranged in T-slot；Stationary fixture is fixed at lathe bed
In the T-slot opened up.Movable fixture end position can be eliminated or be reduced to the utility model heavy rail metallic inclusion glacing flatness fixture
Easily tilting and rotation phenomenon ensure that cutting positioning position is not deviateed, make to cut when being cut to heavy rail or other profiled pieces
Take positioning more accurate, sample clamp is reliable and stable, meets the requirements of the standard, and improves the accuracy that heavy rail field trash is examined.
However, the glacing flatness fixture of the patent, the volume of fixture is larger, may be only available for the processing of heavy rail metal, uncomfortable
Numerically-controlled machine tool for finishing.
Utility model content
In view of the deficienciess of the prior art, the purpose of this utility model is to provide a kind of glacing flatness of strip part
Fixture, its main feature is that the numerically-controlled machine tool suitable for finishing, can guarantee the glacing flatness of part.
The above-mentioned technical purpose of the utility model technical scheme is that：A kind of strip part
Glacing flatness fixture, including chuck body offer straight limit hole in the chuck body, and the straight limit hole can accommodate
The end of part；Gripper position-limit mechanism is additionally provided in the chuck body；The gripper position-limit mechanism includes left compression
Component and the right side hold down assembly, and the left side, which holds down assembly, is set to the side of chuck body, can compress the clamping jaw positioned at the side；Institute
It states right hold down assembly and is set to the other side of chuck body, the clamping jaw of the side can be compressed, the left side holds down assembly or right compression
Component includes upper mounted plate and bottom plate, and vertical threaded hole is provided on fixed plate；Setting in the threaded hole
There is the bolt coordinated with the threaded hole；The stud base is provided with the first rotation tabletting；First rotation tabletting is circle,
Center is fixedly connected with bolt；The first rotation tabletting radius is less than bolt to the distance of chuck body left side, the left side
It holds down assembly or to hold down assembly further includes the second rotation tabletting on the right side, vertical threaded hole is also equipped on the bottom plate；Institute
The bolt for being provided on threaded hole and coordinating with threaded hole is stated, the stud base is provided with the second rotation tabletting；Described second turn
Dynamic pressure piece is circle, and center is fixedly connected with bolt；The second rotation tabletting radius is less than bolt to chuck body left end
The distance in face.
Through the above technical solutions, opening up straight limit hole in chuck body, and part is put into straight limit hole,
It can ensure part and straight limit hole glacing flatness having the same；Gripper position-limit mechanism is set in chuck body, it can
Ensure that the cooperation of chuck body and clamping jaw is close, prevents chuck body crooked in assembly, influence the glacing flatness of part.Realize folder
The limit of pawl, concrete mode are as follows：Part end is installed in the straight limit hole of chuck body, chuck body is put into number
Between two clamping jaws for controlling lathe, the clamping jaw in left side is stuck between left the first rotation tabletting to hold down assembly and bottom plate, right side
Clamping jaw be stuck between right the first rotation tabletting to hold down assembly and bottom plate.Staff turns bolt, makes the first rotation
Tabletting is moved along vertical track to bottom plate direction, until the first rotation tabletting and bottom plate compress clamping jaw.Realize clamping jaw
Limit, concrete mode is as follows：Part end is installed in the straight limit hole of chuck body, chuck body is put into numerical control
Between two clamping jaws of lathe, the clamping jaw in left side is stuck between left the first rotation tabletting to hold down assembly and the second rotation tabletting, right
The clamping jaw of side is stuck between right the first rotation tabletting to hold down assembly and the second rotation tabletting.Staff turns bolt, makes
One rotation tabletting is moved along vertical track to the second rotation tabletting direction, until the first rotation tabletting and the second rotation tabletting compress
Clamping jaw.
Preferably, the precision of the chuck body is not more than 0.005mm；The vertical degree of the threaded hole and the bolt
Error be not more than 0.005mm；The straight limit hole is little with the error of vertical direction in the horizontal direction with the part
In 0.005mm；The error of the levelness of the straight limit hole is not more than 0.005mm；The mistake of the levelness of the bottom plate
Difference is not more than 0.005mm.
Preferably, the error of the horizontality of the first rotation tabletting is not more than 0.005mm.
Through the above technical solutions, ensuring the horizontality of the first rotation tabletting, it is ensured that when clamping jaw and the first rotation tabletting
After contact, the first rotation tabletting can prevent the first rotation tabletting opposing fingers from tilting with clamping jaw levelness having the same.
The beneficial effects of the utility model are:1) by the way that straight limit hole is arranged on fixture, and straight limit is limited
The glacing flatness in hole ensures the part being assemblied in straight limit hole and straight limit hole glacing flatness having the same；2）By setting
Gripper position-limit mechanism is set, and ensures degree of precision, it is ensured that fitting tight between fixture and gripper.
Description of the drawings
Fig. 1 is the structural schematic diagram of embodiment 1；
Fig. 2 is the structural schematic diagram of embodiment 2；
Fig. 3 is the structural schematic diagram of embodiment 3；
Fig. 4 is the structural schematic diagram of embodiment 4.
Reference numeral：1, part；2, groove；3, gripper；4, numerically-controlled machine tool；5, clamping jaw；6, chuck body；7, straight limit
Position hole；8, gripper position-limit mechanism；9, a left side holds down assembly；10, the right side holds down assembly；11, upper mounted plate；12, bottom plate；13,
First sliding block；16, bolt；17, T-slot；18, the second sliding block；19, the first rotation tabletting；20, the second rotation tabletting.
Specific implementation mode
The utility model is described in further detail below in conjunction with attached drawing.
Wherein identical parts are presented with like reference characters.It should be noted that word used in the following description
Language "front", "rear", "left", "right", "up" and "down" refer to the direction in attached drawing, word " bottom surface " and " top surface ", "inner" and
"outside" refers respectively to the direction towards or away from geometric center of specific component.
The center of a kind of existing strip square parts 1, upper surface opens up fluted 2 along its length, lower surface
Center also open up fluted 2 along its length.
It needs to be put into the part 1 in the numerically-controlled machine tool 4 of finishing and be processed, and ensure the flat of part 1 in processing
Straight degree.Gripper 3 is provided on numerically-controlled machine tool 4, gripper 3 includes two clamping jaws 5, being capable of holding parts 1.
Embodiment 1：A kind of glacing flatness fixture of strip part, as shown in Figure 1, including rectangular chuck body 6.Ontology
Flanking central horizontally disposed have straight limit hole 7.The longitudinal section of straight limit hole 7 coordinates with the end face of part 1, can accommodate
The end of part 1.
3 position-limit mechanism of gripper is additionally provided in chuck body 6,3 position-limit mechanism of gripper includes being respectively arranged at fixture
A left side in 6 both ends of the surface of ontology hold down assembly 9 and the right side hold down assembly 10.
A left side hold down assembly 9 include from the upper surface of chuck body 6 to left side outside extend upper mounted plate 11 and from press from both sides
Having the lower surface of ontology 6 to the bottom plate 12 of extension on the outside of left side, the lower section of upper mounted plate 11 is provided with the first sliding block 13,
First sliding block 13 is provided with T-shaped block close to the side of the end face of chuck body 6（It is not shown）.
It is provided with threaded hole on upper mounted plate 11（It is not shown）.Threaded hole（It is not shown）It is vertically arranged.Bolt 16 and screw thread
Hole（It is not shown）Fit through threaded hole（It is not shown）, the bottom of bolt 16 and the top surface of the first sliding block 13 contradict.It needs to note
Meaning, threaded hole here（It is not shown）With with threaded hole（It is not shown）The quantity of corresponding bolt 16 can be multiple.
First sliding block 13 is horizontally disposed, and the lower surface of the first sliding block 13 has preferable glacing flatness.The end of chuck body 6
Vertically it is provided with T-slot 17.T-shaped block（It is not shown）It is set in T-slot 17, and is moved along T-slot 17.
It should be noted that T-slot 17 here and the T-shaped block being correspondingly arranged with T-slot 17（It is not shown）Quantity can
Think multiple.
The right side hold down assembly 10 with a left side hold down assembly 9 structure it is consistent, and be axisymmetricly arranged.
The precision of chuck body 6 is not more than 0.005mm.The levelness of first sliding block, 13 lower surface and straight limit hole 7
Error is not more than 0.005mm.Threaded hole（It is not shown）, T-slot 17, T-shaped block（It is not shown）With the mistake of the vertical degree of bolt 16
Difference is not more than 0.005mm.Mismatch error between T-slot 17 and T-block is not more than 0.005mm.Straight limit hole 7 and part 1
In the horizontal direction with the error of vertical direction no more than 0.005mm.The error of the levelness of bottom plate 12 is not more than
0.005mm。
The occupation mode of the present embodiment is as follows：1 end of part is installed in the straight limit hole 7 of chuck body 6, will be pressed from both sides
Tool ontology 6 is put between two clamping jaws 5 of numerically-controlled machine tool 4, the clamping jaw 5 in left side be stuck in it is left hold down assembly 9 the first sliding block 13 and under
Between fixed plate 12, the clamping jaw 5 on right side be stuck in it is right hold down assembly 10 the first sliding block 13 and bottom plate 12 between.Staff
Bolt 16 is turned, the first sliding block 13 is made to be moved to 12 direction of bottom plate along vertical track, until the first sliding block 13 and lower fixation
Plate 12 compresses clamping jaw 5.
Embodiment 2：A kind of glacing flatness fixture of strip part, difference from example 1 is that, as shown in Fig. 2,
It 9 further includes the second sliding block 18 for being set to the top of bottom plate 12 that a left side, which holds down assembly, and the second sliding block 18 is close to the end of chuck body 6
The side in face is also equipped with T-shaped block（It is not shown）.Vertical threaded hole is also equipped on bottom plate 12（It is not shown）.Threaded hole
（It is not shown）On be provided with and threaded hole（It is not shown）The bolt 16 of cooperation, the bottom of bolt 16 and the bottom surface of the second sliding block 18 are supported
It touches.It should be noted that threaded hole here（It is not shown）With with threaded hole（It is not shown）The quantity of corresponding bolt 16 can be with
To be multiple, T-shaped block here（It is not shown）Quantity may be multiple.
The error of the levelness of first sliding block, 13 lower surface and straight limit hole 7 is not more than 0.005mm.Threaded hole（Do not scheme
Show）, T-slot 17, T-shaped block（It is not shown）It is not more than 0.005mm with the error of the vertical degree of bolt 16.T-slot 17 and T-block
Between mismatch error be not more than 0.005mm.Straight limit hole 7 and part 1 in the horizontal direction with the error of vertical direction not
More than 0.005mm.The error of the levelness of bottom plate 12 is not more than 0.005mm.
The right side hold down assembly 10 with a left side hold down assembly 9 structure it is consistent.
The occupation mode of the present embodiment is as follows：1 end of part is installed in the straight limit hole 7 of chuck body 6, will be pressed from both sides
Tool ontology 6 is put between two clamping jaws 5 of numerically-controlled machine tool 4, the clamping jaw 5 in left side be stuck in it is left hold down assembly 9 the first sliding block 13 and the
Between two sliding blocks 18, the clamping jaw 5 on right side be stuck in it is right hold down assembly 10 the first sliding block 13 and the second sliding block 18 between.Staff
Bolt 16 is turned, the first sliding block 13 is made to be moved to 18 direction of the second sliding block along vertical track, until the first sliding block 13 and second is slided
Block 18 compresses clamping jaw 5.
Embodiment 3：A kind of glacing flatness fixture of strip part, difference from example 1 is that, as shown in figure 3,
Hold down assembly 9 16 bottom of bolt of a left side is provided with the first rotation tabletting 19.The center of first rotation tabletting 19 is fixed with bolt 16
Connection.First rotation tabletting 19 is circle, and radius is less than the distance that bolt 16 arrives 6 left side of chuck body.First rotation pressure
The error of the horizontality of piece 19 is not more than 0.005mm.
The right side hold down assembly 10 structure with a left side hold down assembly 9 structure it is consistent.
The occupation mode of the present embodiment is as follows：1 end of part is installed in the straight limit hole 7 of chuck body 6, will be pressed from both sides
Tool ontology 6 is put between two clamping jaws 5 of numerically-controlled machine tool 4, the clamping jaw 5 in left side be stuck in it is left hold down assembly 9 the first rotation tabletting 19
Between bottom plate 12, the clamping jaw 5 on right side be stuck in it is right hold down assembly 10 the first rotation tabletting 19 and bottom plate 12 between.
Staff turns bolt 16, and the first rotation tabletting 19 is made to be moved to 12 direction of bottom plate along vertical track, until first turn
Dynamic pressure piece 19 and bottom plate 12 compress clamping jaw 5.
Embodiment 4：A kind of glacing flatness fixture of strip part, difference from example 1 is that, as shown in figure 4,
A left side hold down assembly 9 bottom plate 12 on be also equipped with vertical threaded hole（It is not shown）, threaded hole（It is not shown）In be equipped with
With threaded hole（It is not shown）The bottom of the bolt 16 of cooperation, bolt 16 is provided with the second rotation tabletting 20.Second rotation tabletting 20
Center be fixedly connected with bolt 16.The structure of second rotation tabletting 20 is consistent with the first rotation structure of tabletting 19.
The right side hold down assembly 10 structure with a left side hold down assembly 9 structure it is consistent.
The occupation mode of the present embodiment is as follows：1 end of part is installed in the straight limit hole 7 of chuck body 6, will be pressed from both sides
Tool ontology 6 is put between two clamping jaws 5 of numerically-controlled machine tool 4, the clamping jaw 5 in left side be stuck in it is left hold down assembly 9 the first rotation tabletting 19
And second between rotation tabletting 20, the clamping jaw 5 on right side be stuck in it is right hold down assembly 10 the first rotation rotation pressure of tabletting 19 and second
Between piece 20.Staff turns bolt 16, and the first rotation tabletting 19 is made to be moved to the second 20 direction of rotation tabletting along vertical track
It is dynamic, until the first rotation tabletting 19 and second rotates tabletting 20 and compresses clamping jaw 5.
The above is only the exemplary embodiment of the utility model, the protection model rather than limited the present invention
It encloses, the scope of protection of the utility model is determined by the attached claims.
Claims (3)
1. a kind of glacing flatness fixture of strip part, including chuck body（6）, it is characterised in that：The chuck body（6）On
Offer straight limit hole（7）, the straight limit hole（7）Part can be accommodated（1）End；The chuck body（6）On
It is additionally provided with gripper（3）Position-limit mechanism；The gripper（3）Position-limit mechanism holds down assembly including a left side（9）It holds down assembly with the right side
（10）, the left side holds down assembly（9）It is set to chuck body（6）Side, the clamping jaw positioned at the side can be compressed（5）；It is described
The right side holds down assembly（10）It is set to chuck body（6）The other side, the clamping jaw of the side can be compressed（5）The left side holds down assembly
（9）Or the right side holds down assembly（10）Including upper mounted plate（11）And bottom plate（12）, fixed plate（11）On be provided with it is perpendicular
Straight threaded hole；The bolt coordinated with the threaded hole is provided in the threaded hole（16）；The bolt（16）Bottom is arranged
There is the first rotation tabletting（19）；First rotation tabletting（19）For circle, center and bolt（16）It is fixedly connected；Described first turn
Dynamic pressure piece（19）Radius is less than bolt（16）To chuck body（6）The distance of left side, the left side hold down assembly（9）Or right compression
Component（10）It further include the second rotation tabletting（20）, the bottom plate（12）On be also equipped with vertical threaded hole；The spiral shell
The bolt coordinated with threaded hole is provided on pit（16）, the bolt（16）Bottom is provided with the second rotation tabletting（20）；Institute
State the second rotation tabletting（20）For circle, center and bolt（16）It is fixedly connected；The second rotation tabletting（20）Radius is small
In bolt（16）To chuck body（6）The distance of left side.
2. a kind of glacing flatness fixture of strip part according to claim 1, it is characterised in that：The chuck body
（6）Precision be not more than 0.005mm；The threaded hole and the bolt（16）Vertical degree error be not more than 0.005mm；
The straight limit hole（7）With the part（1）In the horizontal direction with the error of vertical direction no more than 0.005mm；It is described
Straight limit hole（7）Levelness error be not more than 0.005mm；The bottom plate（12）The error of levelness be not more than
0.005mm。
3. a kind of glacing flatness fixture of strip part according to claim 1, it is characterised in that：The first rotation pressure
Piece（19）Horizontality error be not more than 0.005mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721602126.1U CN208083879U (en) | 2017-11-24 | 2017-11-24 | A kind of glacing flatness fixture of strip part |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721602126.1U CN208083879U (en) | 2017-11-24 | 2017-11-24 | A kind of glacing flatness fixture of strip part |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208083879U true CN208083879U (en) | 2018-11-13 |
Family
ID=64067696
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721602126.1U Expired - Fee Related CN208083879U (en) | 2017-11-24 | 2017-11-24 | A kind of glacing flatness fixture of strip part |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208083879U (en) |
-
2017
- 2017-11-24 CN CN201721602126.1U patent/CN208083879U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181113 Termination date: 20211124 |