CN207914613U - Add hole Three-jaw fixture - Google Patents
Add hole Three-jaw fixture Download PDFInfo
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- CN207914613U CN207914613U CN201820272318.9U CN201820272318U CN207914613U CN 207914613 U CN207914613 U CN 207914613U CN 201820272318 U CN201820272318 U CN 201820272318U CN 207914613 U CN207914613 U CN 207914613U
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- hole
- claw
- chuck body
- jaw fixture
- axis
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Abstract
The utility model provides a kind of plus hole Three-jaw fixture, belongs to field of mechanical technique.It solves the problems, such as that existing Three-jaw fixture is inconvenient for use and keeps machining accuracy not high.This adds hole Three-jaw fixture, including terminal pad, the side of terminal pad is fixed with chuck body, it sets on chuck body and is uniformly arranged on the outer end face of chuck body there are three claw and three claws, the side of one of claw is equipped with perforative abdicating through hole and abdicating through hole is passed through for cutting tool, the side of other two claw is equipped with the resigning portion passed through for cutting tool, and the axis of abdicating through hole and the axis of two resigning portions are vertically arranged.This plus hole Three-jaw fixture have the advantages that easy to use and keep machining accuracy higher.
Description
Technical field
The utility model belongs to field of mechanical technique, is related to a kind of Three-jaw fixture, especially a kind of plus hole Three-jaw fixture.
Background technology
There are four aperture at the lateral wall of cylindric workpiece, there is opposite position in the various holes in this some holes and opposite large cylindrical
Relationship is set, this some holes is placed on Five-axis NC Machining Center and processes, and need to process at one time.This outer circle where four apertures is dress
Folder face, clamps workpiece by way of three-jaw, and working position has been interfered in the position of three-jaw again.
A kind of scroll chuck (application number as disclosed in Chinese patent literature：201510535496.7), including chuck body, work
Dynamic claw；There are three movable jaws and is circumferentially distributed on chuck body；Movable jaw is equipped with recessed close to the one end at chuck body center
Slot, groove are arranged along the direction parallel with the axis of chuck body；Further include being fixed on movable jaw close to chuck body center one
The side outwardly convex of the claw head at end, the nearly movable jaw of claw head rest forms boss, and the boss is fixed in the groove.
But when clamping workpiece of scroll chuck, lathe can not process multiple through-holes of the side of cylindric workpiece, therefore
Its use is more inconvenient.
Invention content
The purpose of this utility model is the presence of the above problem in view of the prior art, it is proposed that one kind is easy to use and makes to add
Work precision is higher to add hole Three-jaw fixture.
The purpose of this utility model can be realized by following technical proposal：Add hole Three-jaw fixture, including terminal pad, it is described
The side of terminal pad be fixed with chuck body, set on the chuck body and be uniformly arranged on chuck there are three claw and three claws
On the outer end face of body, which is characterized in that the side of the claw described in one of them is equipped with perforative abdicating through hole and described allows
Position through-hole is passed through for cutting tool, and the side of the claw described in other two is equipped with the resigning portion passed through for cutting tool, described
Abdicating through hole axis and the axis of the resigning portion described in two be vertically arranged.
This plus hole Three-jaw fixture are mounted on numerically-controlled machine tool, when work, between workpiece is placed on three claws, pass through three
A claw is to Workpiece clamping, and since a claw is equipped with abdicating through hole, remaining two claw is equipped with and is passed through for cutting tool
Resigning portion, the axis of abdicating through hole and the axis of two resigning portions be vertically arranged, and the cutting tool of numerically-controlled machine tool can be straight
It connects and penetrates into abdicating through hole and resigning portion successively, four vertically disposed holes are processed to the lateral wall of workpiece, this adds hole three-jaw
The clamped one time of fixture it is easy to process go out four holes, have the advantages that the time saving reliable and machining accuracy of work is higher, improve life
Produce efficiency.Three drive connections between claw and chuck body with reference to common scroll chuck claw and chuck body between transmission
Connection drives the turntable being mounted in chuck body to rotate by rotating bevel gear, the end face of turntable is equipped with thread groove, claw
Inner face is equipped with the thread being meshed with thread groove, and turntable rotation drives claw to be moved radially along turntable, close or separate
A kind of scroll chuck (application number can also be used with chuck body in the axis of turntable, three claws：201710725732.2) in bottom
Disk and mobile holder structure.The abdicating through hole or resigning portion of different angle can be processed on three claws, once according to actual demand
Clamping can process the hole of different number, have the advantages that the scope of application is wider.
In above-mentioned plus hole Three-jaw fixture, the resigning portion is the resigning breach through the claw side.
In above-mentioned plus hole Three-jaw fixture, the resigning breach is arc-shaped, the axis of the resigning breach and institute
The intersection point of the axis for the abdicating through hole stated is located on the axis of chuck body.
In above-mentioned plus hole Three-jaw fixture, the middle part of the chuck body is equipped with columnar locating piece, the positioning
The outer end face of block for the side of end face against, the locating piece of workpiece be uniformly provided with three confined planes and three confined planes with
Three claws are arranged in a one-to-one correspondence, and the inner face of the claw can be resisted against on the corresponding confined planes.Pass through workpiece
Inner end be resisted against on locating piece to workpiece carry out axial limiting, have the advantages that positioning reliably and positioning accuracy it is higher.
In above-mentioned plus hole Three-jaw fixture, the locating piece is fixedly connected with the chuck body by screw.
In above-mentioned plus hole Three-jaw fixture, it is fixedly connected with by screw between the terminal pad and the chuck body.
It is fixedly connected with, is had the advantages that simple in structure and easy to connect by screw between terminal pad and chuck body.
In above-mentioned plus hole Three-jaw fixture, the width of the claw with the ratio between be highly：1:2 to 1:5.The width of claw
The ratio between degree and height are：1:2 to 1:5, keep the height of claw longer, convenient for the workpiece of clamping different length, there is firm grip
And there is the wider scope of application.
Compared with prior art, this plus hole Three-jaw fixture have the following advantages：
1, since a claw is equipped with abdicating through hole, remaining two claw is equipped with the resigning passed through for cutting tool
The cutting tool in portion, numerically-controlled machine tool can directly penetrate into abdicating through hole and resigning portion successively, be processed to the lateral wall of workpiece
Four vertically disposed holes, the clamped one time of this plus hole Three-jaw fixture it is easy to process go out four holes, have work time saving reliable and
The higher advantage of machining accuracy, improves production efficiency；
2, it is resisted against on locating piece by the inner end of workpiece and axial limiting is carried out to workpiece, have positioning reliable and positioning accurate
Spend higher advantage；
3, the ratio between the width of claw and height are：1:2 to 1:5, keep the height of claw longer, convenient for clamping different length
Workpiece, with firm grip and with the wider scope of application.
Description of the drawings
Fig. 1 is the stereoscopic schematic diagram of this plus hole Three-jaw fixture.
Fig. 2 is the schematic cross-sectional view of this plus hole Three-jaw fixture.
Fig. 3 is the schematic top plan view for the locating piece for originally adding hole Three-jaw fixture.
Fig. 4 is the vertical view schematic cross-sectional view for the locating piece for originally adding hole Three-jaw fixture.
In figure, 1, terminal pad；2, chuck body；3, claw；3a, abdicating through hole；3b, resigning breach；4, locating piece；4a, limit
Plane；5, screw；6, workpiece.
Specific implementation mode
It is specific embodiment of the utility model and in conjunction with attached drawing below, the technical solution of the utility model is made further
Description, but the utility model is not limited to these examples.
As shown in Figures 1 to 4, hole Three-jaw fixture, including terminal pad 1, the side of terminal pad 1 is added to be fixed with card by screw 5
Disk body 2 has the advantages that simple in structure and easy to connect.It is set on chuck body 2 there are three claw 3, three claws 3 are uniformly arranged on
On the outer end face of chuck body 2, the side of one of claw 3 is equipped with perforative abdicating through hole 3a, and abdicating through hole 3a is for bite
Tool is across the side of other two claw 3 is equipped with the resigning portion passed through for cutting tool, and the axis of abdicating through hole 3a allows with two
The axis in position portion is vertically arranged, and resigning portion is the resigning breach 3b through 3 side of claw, and resigning breach 3b is arc-shaped, allows
The intersection point of the axis and the axis of abdicating through hole 3a of position notch 3b is located on the axis of chuck body 2.
The middle part of chuck body 2 is equipped with columnar locating piece 4, and locating piece 4 is fixedly connected with chuck body 2 by screw 5, and it is fixed to have
Position is reliable and the higher advantage of positioning accuracy.The outer end face of locating piece 4 for workpiece end face against the side of locating piece 4 is uniform
If there are three confined planes 4a, three confined planes 4a to be arranged in a one-to-one correspondence with three claws 3, the inner face of claw 3 can be resisted against
On the corresponding confined planes 4a.
The ratio between the width of claw 3 and height are：1:2 to 1:5, keep the height of claw 3 longer, convenient for clamping different length
Workpiece, with firm grip and with the wider scope of application.
This plus hole Three-jaw fixture are mounted on numerically-controlled machine tool, when work, between workpiece is placed on three claws 3, are passed through
Three claws 3 are to Workpiece clamping, and since a claw 3 is equipped with abdicating through hole 3a, remaining two claw 3 is equipped with for bite
Have across resigning portion, the axis of abdicating through hole 3a and the axis of two resigning portions be vertically arranged, the bite of numerically-controlled machine tool
Tool can directly penetrate into abdicating through hole 3a and resigning portion successively, and four vertically disposed holes are processed to the lateral wall of workpiece,
The clamped one time of this plus hole Three-jaw fixture it is easy to process go out four holes, have the time saving reliable and machining accuracy of work higher excellent
Point, improves production efficiency.The claw 3 and card of drive connection between three claws 3 and chuck body 2 with reference to common scroll chuck
Drive connection between disk body 2 drives the turntable being mounted in chuck body 2 to rotate, the end face of turntable by rotating bevel gear
Equipped with thread groove, the inner face of claw 3 is equipped with the thread being meshed with thread groove, and turntable rotation drives claw 3 along turntable diameter
To movement, a kind of scroll chuck (application number can also be used with chuck body 2 in axis close or far from turntable, three claws 3：
201710725732.2) in chassis and mobile holder structure.According to actual demand different angle can be processed on three claws 3
Abdicating through hole 3a or resigning portion, clamped one time can process the hole of different number, have the advantages that the scope of application is wider.
The specific embodiments described herein are merely examples of the spirit of the present invention.The utility model institute
Belonging to those skilled in the art can make various modifications or additions to the described embodiments or using similar
Mode substitute, but without departing from the spirit of the present application or beyond the scope of the appended claims.
Although terminal pad 1, chuck body 2, claw 3, abdicating through hole 3a, resigning breach 3b, positioning is used more herein
The terms such as block 4, confined planes 4a, screw 5, but it does not preclude the possibility of using other terms.The use of these terms is only to be
More easily describe and explain the essence of the utility model；Being construed as any one of the additional limitations is all and this reality
It is disagreed with novel spirit.
Claims (7)
1. adding hole Three-jaw fixture, including terminal pad (1), the side of the terminal pad (1) is fixed with chuck body (2), described
It sets on chuck body (2) and is uniformly arranged on the outer end face of chuck body (2) there are three claw (3) and three claws (3), feature exists
In the side of the claw (3) described in one of them is equipped with perforative abdicating through hole (3a) and the abdicating through hole (3a) is for cutting
Cutting knife tool passes through, and the side of the claw (3) described in other two is equipped with the resigning portion passed through for cutting tool, and the resigning is logical
The axis in hole (3a) and the axis of the resigning portion described in two are vertically arranged.
2. according to claim 1 plus hole Three-jaw fixture, which is characterized in that the resigning portion is through the card
The resigning breach (3b) of pawl (3) side.
3. according to claim 2 plus hole Three-jaw fixture, which is characterized in that the resigning breach (3b) is arc-shaped, institute
The axis for the resigning breach (3b) stated and the intersection point of the axis of the abdicating through hole (3a) are located on the axis of chuck body (2).
4. according to claim 1 or 2 or 3 plus hole Three-jaw fixture, which is characterized in that the middle part of the chuck body (2)
Equipped with columnar locating piece (4), the outer end face of the locating piece (4) for workpiece end face against the locating piece (4)
Side is uniformly provided with three confined planes (4a) and three confined planes (4a) are arranged in a one-to-one correspondence with three claws (3), the card
The inner face of pawl (3) can be resisted against on the corresponding confined planes (4a).
5. according to claim 4 plus hole Three-jaw fixture, which is characterized in that the locating piece (4) and the chuck
Body (2) is fixedly connected with by screw (5).
6. according to claim 1 or 2 or 3 plus hole Three-jaw fixture, which is characterized in that the terminal pad (1) with it is described
Chuck body (2) between be fixedly connected with by screw (5).
7. according to claim 1 or 2 or 3 plus hole Three-jaw fixture, which is characterized in that the width of the claw (3) with
Height the ratio between be：1:2 to 1:5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820272318.9U CN207914613U (en) | 2018-02-26 | 2018-02-26 | Add hole Three-jaw fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820272318.9U CN207914613U (en) | 2018-02-26 | 2018-02-26 | Add hole Three-jaw fixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207914613U true CN207914613U (en) | 2018-09-28 |
Family
ID=63600428
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820272318.9U Active CN207914613U (en) | 2018-02-26 | 2018-02-26 | Add hole Three-jaw fixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207914613U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111300055A (en) * | 2020-03-31 | 2020-06-19 | 上海格尔汽车科技发展有限公司 | Turning and milling combined machining machine tool for ball screw type electric steering gear nut |
-
2018
- 2018-02-26 CN CN201820272318.9U patent/CN207914613U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111300055A (en) * | 2020-03-31 | 2020-06-19 | 上海格尔汽车科技发展有限公司 | Turning and milling combined machining machine tool for ball screw type electric steering gear nut |
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