CN208357827U - A kind of axial workpiece fixation kit for lathe - Google Patents
A kind of axial workpiece fixation kit for lathe Download PDFInfo
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- CN208357827U CN208357827U CN201820995862.6U CN201820995862U CN208357827U CN 208357827 U CN208357827 U CN 208357827U CN 201820995862 U CN201820995862 U CN 201820995862U CN 208357827 U CN208357827 U CN 208357827U
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- axial workpiece
- claw
- lathe
- fixation kit
- locating piece
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Abstract
The utility model provides a kind of axial workpiece fixation kit for lathe, including for be installed on chuck and be supported in axial workpiece end face shaft core position stationary center；Further include for and meanwhile be arranged in claw two sides and axial workpiece outer peripheral surface, with claw and axial workpiece synchronous rotation positioning device.Stationary center and the elastic live centre being mounted on tail stock in the prior art constitute double top tip structures, to positioning at the axle center of two end faces of axial workpiece.When turnery processing, Double Tops point positions the contact area that can maximally reduce fixture and part, after processing is completed, without individually being cooled down to part, natural cooling, it is possible thereby to the deflection for improving processing efficiency, reducing axial workpiece.It is arranged in the two sides of claw while positioning device positions part, can prevent part from shaking.
Description
Technical field
The utility model relates to parts fixation technical fields, more specifically to a kind of axial workpiece for lathe
Fixation kit.
Background technique
Currently, on lathe there are mainly two types of the methods of working shaft-like part:
The first directly processes axial workpiece by the way of one top of a folder, and about 85mm is processed in axis blanking, is made
Clamping collet.The axial workpiece processed using such mode, axis is flexible, and concentricity and straightness are not achieved technology and want
It asks, thus, rejection rate is high.In addition, needing sufficiently long cooling time in process, it is otherwise unable to reach tolerance.
This results in the process time of axial workpiece too long, and processing efficiency is low.In addition, axial workpiece is in High-speed machining, easily because occurring
It deforms and is detached from tailstock tool thimble, axial workpiece is made to fly out, cause safety accident.
Second method is to carry out roughing to blank part first with lathe, then finish through grinding machine.Such processing side
Method, equipment purchase are at high cost.
Therefore, a kind of axial workpiece positioning device how is designed, reduces the deflection of axial workpiece, improve axial workpiece
The technical issues of machining accuracy shortens part process time, is those skilled in the art's urgent need to resolve.
Utility model content
The purpose of the utility model is to provide a kind of axial workpiece fixation kits for lathe, can have to axial workpiece
The positioning of effect solves the problems, such as that Machining of Shaft-type Parts precision is low.
The utility model provides a kind of axial workpiece fixation kit for lathe, including for being installed on chuck and support
In the stationary center of the end face shaft core position of axial workpiece；Further include for and meanwhile be arranged in two sides and the axis class of claw
Part outer peripheral surface, the positioning device to be rotated synchronously with claw and axial workpiece.
Preferably, the positioning device includes claw locating piece and part locating piece；
The claw locating piece offers the U-shaped card mouth for being arranged in two sides of claw；
The part locating piece is separate structure, including is equipped with for being installed in axial workpiece outer peripheral surface clamping portion, described
The center in clamping portion offers drops bayonet, further include for being threadedly coupled with the clamping portion, with axial workpiece
The fixed part that offsets of lower circumferential surface.
Preferably, the stationary center includes the mounting portion being clamped on chuck and is fixedly arranged on the mounting portion front end
Top tip part.
Preferably, the lower end in the clamping portion is equipped with internal screw thread, and the fixed part is equipped with external screw thread, the clamping portion and institute
State the connection of fixed part screw-threaded coupling.
Preferably, the claw locating piece include stationary jaw, movable jaw and to install the stationary jaw and
The bottom of the clamping jaw positioning region of the movable jaw, the movable jaw is equipped with worm gear, and the clamping jaw positioning region offers installation
Slot is equipped with the worm screw to be meshed with the worm gear in the mounting groove.
Preferably, the stationary center is an integral structure.
Preferably, the claw locating piece is an integral structure with the clamping portion.
Compared with above-mentioned background technique, the utility model provides a kind of axial workpiece fixation kit for lathe, passes through
Stationary center is installed on lathe chuck, with the elastic live centre being mounted on tail stock in the prior art, constitutes Double Tops
Sharp structure, respectively to being positioned at the axle center of two end faces of axial workpiece.When carrying out turnery processing, the positioning of Double Tops point,
The contact area of fixture and part can be maximally reduced, after processing is completed to part, without individually being cooled down to it,
It is placed in one side natural cooling, it is possible thereby to save the process time of part, improves processing efficiency.To prevent on axial workpiece
Lower movement sets positioning device in the outer peripheral surface card of part, thus it can be prevented that part moves up and down.Positioning device is being arranged in zero
While part outer peripheral surface, the two sides of claw are arranged in, effectively prevent positioning device from shaking, realized same with axial workpiece
Step rotation.The reduction of cutting heat and fixedlying positioning for part, further reduce the deflection of axial workpiece.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is the embodiments of the present invention, for those of ordinary skill in the art, without creative efforts, also
Other attached drawings can be obtained according to the attached drawing of offer.
Fig. 1 is the structural schematic diagram that axial workpiece fixation kit provided by the utility model is installed on lathe；
Fig. 2 is the structural schematic diagram of stationary center in Fig. 1；
Fig. 3 is the structural schematic diagram of positioning device in Fig. 1；
Fig. 4 is the claw when spacing is adjustable between the stationary jaw and movable jaw for constituting the claw locating piece in Fig. 3
The partial sectional view of locating piece.
Wherein, 1- chuck, 2- axial workpiece, 3- stationary center, 31- mounting portion, 32- top tip part, 4- claw, 5- positioning dress
It sets, 51- claw locating piece, 511- stationary jaw, 512- movable jaw, 52- part locating piece, 521- clamping portion, 522- are fixed
Portion, 6- elasticity live centre, 7- tailstock, 8- worm screw.
Specific embodiment
The core of the utility model is to provide a kind of axial workpiece fixation kit for lathe, and it is easy to solve axial workpiece
The low problem of deformation, machining accuracy.
In order to make those skilled in the art more fully understand the utility model, with reference to the accompanying drawing and specifically
The utility model is described in further detail for embodiment.
Fig. 1, Fig. 2 and Fig. 3 are please referred to, Fig. 1 is that axial workpiece fixation kit provided by the utility model is installed on lathe
Structural schematic diagram, Fig. 2 be Fig. 1 in stationary center structural schematic diagram, Fig. 3 be Fig. 1 in positioning device structural schematic diagram.
The utility model provides a kind of axial workpiece fixation kit for lathe, including stationary center 3, the stationary center
3 are installed on lathe chuck 1, and top tip part is supported in the shaft core position of 2 end face of axial workpiece, stationary center 3 and are mounted on vehicle
Elastic live centre 6 on tailstock seat 7 constitutes double top tip structures, positions respectively to two axial ends of axial workpiece 2, vehicle
When cutting processing, the positioning of Double Tops point can maximally reduce the contact area of fixture Yu axial workpiece 2, add to axial workpiece 2
After the completion of work, without individually being cooled down to it, it is placed in one side natural cooling, it is possible thereby to save adding for axial workpiece 2
Between working hour, processing efficiency is improved.Positioning device 5 is also equipped on claw 4, positioning device 5 is installed in two sides of claw 4,
Follow claw 4 and part 2 to rotate synchronously, at the same time, positioning device 5 is sleeved on axial workpiece 2, and with axial workpiece 2
Outer peripheral surface offset, to prevent axial workpiece 2 mobile and shake.
Below by taking turnery processing high pressure aqua ammonia pump shaft as an example, its process is described:
(1) blanking φ 60mm × 1383mm；
(2) rough turn elongated shaft left end (left hand thread end on axis)；
(3) rough turn elongated shaft right end (the dextrorotation end of thread on axis)；
(4) one stationary center of self-control is mounted on machine chuck 1, top using must all correct every time, makes top and machine
Bed axis is overlapped；
(5) installation center frame, follow-rest, centre frame and follow-rest must be modified after installing；(6) the fixed top of installation
Point 3, positioning device 5 and workpiece, tailstock 7 use elastic live centre 6；
(7) smart car φ 52mm × 30mm is positioned to centre frame；
(8) half smart car elongated shaft right ends cut escape, process right-handed thread；
(9) smart car elongated shaft right end；
(10) the elongated axle right end of superfinishing vehicle；
Escape is cut in (11) half smart car elongated shaft left ends, processes left hand thread；
(12) smart car elongated shaft left end；
(13) the elongated axle left end of superfinishing vehicle.
The high pressure aqua ammonia pump shaft processed by above-mentioned steps, concentricity and straightness reach technical requirements, report
Useless rate is zero, also, process is not necessarily to reserved cooling time, high in machining efficiency, and the batch of high pressure aqua ammonia pump shaft may be implemented
Change processing.
Specifically, above-mentioned positioning device 5 includes claw locating piece 51 and part locating piece 52, wherein claw locating piece
51 be block structure, and center is equipped with U-shaped card mouth, and the size of U-shaped card mouth and the width of claw 4 are equal or slightly less than claw
4 width, so that U-shaped card mouth is installed in the two sides of claw 4, to realize that claw locating piece 51 follows claw 4 to rotate synchronously；Zero
Part locating piece 52 is separate structure, including clamping portion 521 and fixed part 522, the center in clamping portion 521 offer drops
Bayonet, drops structure are adapted to the part of different-diameter, no matter how the diameter of axial workpiece 2 changes, drops bayonet
Two inclined-planes of intersection can offset with the outer peripheral surface of axial workpiece 2；In addition, between fixation portions 522 and clamping portion 521
It is threadedly coupled, by rotating clamping portion 521, so that the lower circumferential surface of itself and axial workpiece 2 offsets, and so, drops bayonet
The two-point locating between part 2, a point location between clamping portion 521 and axial workpiece 2 are constituted to 2 three-point fix of axial workpiece
Structure can circumferentially be fixed axial workpiece 2.Above-mentioned positioning device 5 is by part locating piece 52 to axis class zero as a result,
Part 2 is fixed, and at the same time, is installed in 4 side of claw by claw locating piece 51, is realized with this same with axial workpiece 2
Step rotation.
More specifically, clamping portion 521 is equipped with internal screw thread, internal screw thread runs through the wall thickness in clamping portion 521 and erects from bottom to top
Directly open up, corresponding, fixed part 522 is equipped with external screw thread, it is connected between fixed part 522 and clamping portion 521 by screw-threaded coupling,
So, when clamping axial workpiece 2, and fixed part 522 passes through the outer peripheral surface that drops bayonet is installed in clamping portion 521, Gu
Determine 522 precession of portion to the outer peripheral surface of axial workpiece 2 to be fixed, it is possible thereby to carry out clamping to axial workpiece 2, dismantles axis
When class part 2, fixed part 522 is unscrewed.
Above-mentioned stationary center 3 includes mounting portion 31 and the top tip part 32 for being fixedly arranged on 31 front end of mounting portion, mounting portion 31 are
Cylindrical structure is clamped on chuck 1, and top tip part 32 is pyramidal structure, is supported in the end face axle center of axial workpiece 2 to be processed
Place, mounting portion 31 are integrally formed formula rotary structure with top tip part 32.It should be noted that being required to correct before installation every time
Stationary center 3, is overlapped it with machine axes.
In order to adapt to the clamping demand of different claws 4, above-mentioned claw locating piece 51 can be arranged to can be with relative motion
Structure, specifically, above-mentioned claw locating piece 51 includes stationary jaw 511, movable jaw 512 and to install fixing clamp
The clamping jaw mounting portion of pawl 511 and movable jaw 512, wherein the bottom of movable jaw 512 is equipped with worm gear, and clamping jaw mounting portion opens up
There is mounting groove, the worm screw 8 to be meshed with worm gear is installed, as shown in Figure 4 in mounting groove.When operator can be manually rotated worm screw
When 8, worm gear together with movable jaw 512 jointly towards or away from stationary jaw 511 direction move, to realize movable jaw
The adjustment of distance between 512 and stationary jaw 511.
It should be noted that above-mentioned stationary center 3 is an integral structure, claw locating piece 51 and clamping portion 521 are to pass through
It is welded to connect the integral structure constituted.
The axial workpiece fixation kit provided by the utility model for lathe is described in detail above.Herein
In apply specific case the principles of the present invention and embodiment be expounded, the explanation of above embodiments is only used
The method and its core concept of the utility model are understood in help.It should be pointed out that for those skilled in the art
For, without departing from the principle of this utility model, several improvements and modifications can be made to this utility model, these
Improvement and modification are also fallen into the protection scope of the utility model claims.
Claims (7)
1. a kind of axial workpiece fixation kit for lathe, which is characterized in that including for being installed on chuck (1) and being supported in
The stationary center (3) of the end face shaft core position of axial workpiece (2)；It further include two sides for being used for while being arranged in claw (4)
And axial workpiece (2) outer peripheral surface, the positioning device (5) to be rotated synchronously with claw (4) and axial workpiece (2).
2. the axial workpiece fixation kit according to claim 1 for lathe, which is characterized in that the positioning device
It (5) include claw locating piece (51) and part locating piece (52)；
The claw locating piece (51) offers the U-shaped card mouth for being arranged in (4) two sides of claw；
The part locating piece (52) is separate structure, including is equipped with for being installed in axial workpiece (2) outer peripheral surface clamping portion
(521), the center of the clamping portion (521) offers drops bayonet, further include for clamping portion (521) spiral shell
The fixed part (522) that line is connected, offseted with the lower circumferential surface with axial workpiece (2).
3. the axial workpiece fixation kit according to claim 2 for lathe, which is characterized in that the stationary center
It (3) include the mounting portion (31) being clamped on chuck (1) and the top tip part (32) for being fixedly arranged on the mounting portion (31) front end.
4. the axial workpiece fixation kit according to claim 2 for lathe, which is characterized in that the clamping portion
(521) lower end is equipped with internal screw thread, and the fixed part (522) is equipped with external screw thread, the clamping portion (521) and the fixed part
(522) screw-threaded coupling connects.
5. according to the described in any item axial workpiece fixation kits for lathe of claim 2~4, which is characterized in that described
Claw locating piece (51) include stationary jaw (511), movable jaw (512) and to install the stationary jaw (511) and
The bottom of the clamping jaw positioning region of the movable jaw (512), the movable jaw (512) is equipped with worm gear, the clamping jaw positioning region
Mounting groove is offered, the worm screw (8) to be meshed with the worm gear is installed in the mounting groove.
6. the axial workpiece fixation kit according to claim 5 for lathe, which is characterized in that the stationary center
(3) it is an integral structure.
7. the axial workpiece fixation kit according to claim 6 for lathe, which is characterized in that the claw locating piece
(51) it is an integral structure with the clamping portion (521).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820995862.6U CN208357827U (en) | 2018-06-26 | 2018-06-26 | A kind of axial workpiece fixation kit for lathe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820995862.6U CN208357827U (en) | 2018-06-26 | 2018-06-26 | A kind of axial workpiece fixation kit for lathe |
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| Publication Number | Publication Date |
|---|---|
| CN208357827U true CN208357827U (en) | 2019-01-11 |
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ID=64926954
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820995862.6U Active CN208357827U (en) | 2018-06-26 | 2018-06-26 | A kind of axial workpiece fixation kit for lathe |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110340392A (en) * | 2019-07-01 | 2019-10-18 | 昌河飞机工业（集团）有限责任公司 | The positioning device and method of yoke class part |
| CN110496975A (en) * | 2019-08-26 | 2019-11-26 | 上海丰禾精密机械有限公司 | A kind of waterproof frock clamp mechanism and its working method being applicable in different lengths axial workpiece |
| CN112378853A (en) * | 2020-11-23 | 2021-02-19 | 上海大众动力总成有限公司 | Detection device and detection method for surface defects of mechanical parts and related device |
| CN113732323A (en) * | 2021-09-02 | 2021-12-03 | 上汽通用五菱汽车股份有限公司 | Air seal positioning clamp, positioning detection system and method for shaft workpieces |
-
2018
- 2018-06-26 CN CN201820995862.6U patent/CN208357827U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110340392A (en) * | 2019-07-01 | 2019-10-18 | 昌河飞机工业（集团）有限责任公司 | The positioning device and method of yoke class part |
| CN110496975A (en) * | 2019-08-26 | 2019-11-26 | 上海丰禾精密机械有限公司 | A kind of waterproof frock clamp mechanism and its working method being applicable in different lengths axial workpiece |
| CN110496975B (en) * | 2019-08-26 | 2024-04-16 | 上海丰禾精密机械有限公司 | Waterproof tool clamp mechanism applicable to shaft parts with various lengths and working method thereof |
| CN112378853A (en) * | 2020-11-23 | 2021-02-19 | 上海大众动力总成有限公司 | Detection device and detection method for surface defects of mechanical parts and related device |
| CN113732323A (en) * | 2021-09-02 | 2021-12-03 | 上汽通用五菱汽车股份有限公司 | Air seal positioning clamp, positioning detection system and method for shaft workpieces |
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