CN209078274U - A kind of numerical control lathe wheeled litter shift fork fork shaft hole and positioning surface fixture - Google Patents
A kind of numerical control lathe wheeled litter shift fork fork shaft hole and positioning surface fixture Download PDFInfo
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- CN209078274U CN209078274U CN201821769962.3U CN201821769962U CN209078274U CN 209078274 U CN209078274 U CN 209078274U CN 201821769962 U CN201821769962 U CN 201821769962U CN 209078274 U CN209078274 U CN 209078274U
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- disc
- numerical control
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- 230000007246 mechanism Effects 0.000 claims abstract description 20
- 210000000078 claw Anatomy 0.000 claims abstract description 16
- 238000012545 processing Methods 0.000 claims abstract description 9
- 238000000034 method Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001738 isopycnic centrifugation Methods 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
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Abstract
The utility model provides a kind of numerical control lathe wheeled litter shift fork fork shaft hole and positioning surface fixture, including master, balance weight, flexibly positioned seat, limit base, stationary positioned seat and disc on master, and hold-down mechanism and support base on disc；The limit base offers limiting slot, the bottom wall and one side side wall of limiting slot are equipped with flexibly positioned salient point, the flexibly positioned seat is set to limit base side, and it is equipped with the retractable supports portion for the flexibly positioned salient point being directed toward in limit groove sidewall, the hold-down mechanism is arranged relative to limiting slot, and it is equipped with the claw for compressing workpiece to be processed, the support base is set to hold-down mechanism two sides, it is used to support workpiece to be processed, the stationary positioned seat is set to disc side, for being fixed to workpiece to be processed, the balance weight is set to side opposite with disc on master.The frock clamp of the utility model, it is easy to use, greatly improve the yield rate and product stability of shift fork processing.
Description
Technical field
The utility model relates to a kind of tooling, specifically a kind of numerical control lathe wheeled litter shift fork fork shaft hole and positioning surface fixture.
Background technique
Shift fork is the main component on automobile gearbox, for stirring speed changer intermediate gear, to convert gear, is made defeated
Enter/export rotating ratio change.With the development of science and technology the type of shift fork becomes diversification.For dialling for different types
Fork, needs to be equipped with different frock clamps.Currently, the frock clamp for some conventional shift forks is rather common but some
The design or blank out of the shift fork frock clamp of new construction, and according to the mechanical feature of shift fork product, it generally requires not
With milling face and drill reaming work is completed in equipment, the case where product stability is bad, and processing efficiency is low is thus caused.Shift fork
Belong to thin-wall part, mutability in process is unstable.Therefore the requirement to blank just seems especially important.Through hole positioning
Carrying out processing makes to greatly reduce blank requirement, greatly improves the yield rate and product stability of shift fork processing.Cause
The selection of hole machined and positioning surface before the positioning of this hole is particularly important.
Utility model content
The purpose of this utility model is in view of the deficiencies of the prior art, to provide a kind of easy to use, stable be used for routinely
The fixture of shift fork workpiece hole machined.
To achieve the goals above, the technical solution adopted in the utility model are as follows:
A kind of numerical control lathe wheeled litter shift fork fork shaft hole and positioning surface fixture, including master, balance weight, elasticity on master
Positioning seat, limit base, stationary positioned seat and disc, and hold-down mechanism and support base on disc；The limit base is opened
Equipped with limiting slot, the bottom wall and one side side wall of the limiting slot are equipped with flexibly positioned salient point, and the flexibly positioned seat is set to limit
Position seat side, and it is equipped with the retractable supports portion for the flexibly positioned salient point being directed toward in limit groove sidewall, the hold-down mechanism is opposite
It is arranged in the limiting slot, and is equipped with the claw for compressing workpiece to be processed, the support base is set to hold-down mechanism two sides, uses
In support workpiece to be processed, the stationary positioned seat is set to disc side, described for fixing to workpiece to be processed
Balance weight is set to side opposite with disc on master.
Further, the flexibly positioned seat includes oil cylinder seat and the Auxiliary support cylinder being threadedly coupled with oil cylinder seat, described
Auxiliary support cylinder is equipped with the resilient support for being directed toward the flexibly positioned salient point.
Further, the hold-down mechanism includes oil cylinder, pull rod, claw, hinge and limited post, and the oil cylinder is for driving
Pull rod is flexible up and down, and the free end of the pull rod is flexibly connected with one end of claw by pin；The middle part of the claw and hinge
Chain link, free end are set to below the free end of claw for compressing shift fork to be processed, the limited post.
Further, the stationary positioned seat includes circumferentially positioned seat and circumferential support rod, and the circumferential direction support rod is spiral shell
Rasp bar is horizontally installed in the threaded hole on circumferentially positioned seat, and positioning end is directed toward the hold-down mechanism.
Further, the support base includes support base and the support nail set on support base top, the support base top
Equipped with threaded hole, the support nail is connect by screw thread with support base.
Further, the hold-down mechanism and support base are fixed on disc by counterbore and corresponding bolt, described flat
Weighing apparatus block, flexibly positioned seat, limit base, stationary positioned seat and disc are fixed by bolts on master respectively.
Optionally, the workpiece is shift fork.
The utility model has the beneficial effects that the frock clamp of the utility model, can be used for corresponding automobile shift fork workpiece fork
Axis hole and positioning surface processing in, it is easy to use, it is ensured that shift fork fork shaft hole lathe stablize process, save drilling, pulling eye,
Planar end surface three process, while can be positioned during subsequent processing during the heart with hole, greatly improve shift fork processing
Yield rate and product stability.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the fixture embodiment of the utility model.
Fig. 2 is the structural schematic diagram of shift fork.
Fig. 3 is the usage state diagram of embodiment in Fig. 1.
Specific embodiment
For a further understanding of the utility model, the utility model preferred embodiment is retouched below with reference to embodiment
It states, but it is to be understood that these descriptions are only the feature and advantage for further illustrating the utility model, rather than practical to this
The limitation of novel claim.
As shown in Figure 1, the utility model embodiment provides a kind of numerical control lathe wheeled litter shift fork fork shaft hole and positioning surface fixture,
Including master 1, balance weight 2, flexibly positioned seat 3, limit base 4, stationary positioned seat 7 and the disc 6 being installed on master 1, and
Hold-down mechanism 5 and support base 8a, 8b on disc 6.
Wherein, limit base 4 offers limiting slot 40, and the bottom wall of limiting slot 40 is equipped with flexibly positioned salient point 41, one side side wall
It is equipped with flexibly positioned salient point 42.Two flexibly positioned salient points correspond to the locating piece on workpiece, for positioning to workpiece.
Flexibly positioned seat 3 is set to limit base 4 and is not provided with the side of flexibly positioned salient point, including oil cylinder seat 31 and with oil
The Auxiliary support cylinder 32 that cylinder seat 31 is threadedly coupled, Auxiliary support cylinder 32 are equipped with the resilient support 30 for being directed toward flexibly positioned salient point 42.
Telescopic movable under the action of oil cylinder of resilient support 30, workpiece to be fixed.
Hold-down mechanism 5 is arranged relative to limiting slot 40, including oil cylinder 52, pull rod 51, claw 50, hinge 53 and limited post
54, for driving about 51 pull rod flexible, the free end of pull rod 51 is connected with one end of claw 50 by pin activity oil cylinder 52
It connects；The middle part of claw 50 is connect with hinge 53, and free end is set to claw 50 for compressing workpiece to be processed, the limited post 54
Below free end.When work, oil cylinder 52 drives about 51 pull rod flexible, and then claw 50 is driven to rotate at hinge 53, compresses
Or unclamp workpiece.
Stationary positioned seat 7 is set to 6 side of disc, including circumferentially positioned seat 70 and circumferential support rod 71, circumferential support rod 71
For threaded rod, be horizontally installed in the threaded hole on circumferentially positioned seat 70, and positioning end is directed toward the hold-down mechanism 5, for pair
Workpiece to be processed fixes.
Support base 8a, 8b are set to 5 two sides of hold-down mechanism, the support nail including support base and set on support base top, support
Seat top is equipped with threaded hole, and support nail is connect by screw thread with support base.Support base 8a, 8b are used to support workpiece to be processed.
Preferably, hold-down mechanism 5 and support base 8a, 8b are fixed on disc by counterbore and corresponding bolt
On 6, while balance weight 2, flexibly positioned seat 3, limit base 4, stationary positioned seat 7 and disc 6 are fixed by bolts in master respectively
On 1.
Balance weight 2 is set to side opposite with disc 6 on master 1, plays equilibrium centrifugation power in 1 high speed rotation of master
Effect.
As shown in Fig. 2, the workpiece mentioned in above-described embodiment is shift fork 9, including axle hole 90 and external-open shelves portion 91.
It is illustrated in figure 3 the usage state diagram of the utility model embodiment, the axle hole of shift fork 9 is placed in the limit of limit base 4
In the slot of position, outer rim and flexibly positioned bump contacts, and further fixed by the resilient support of flexibly positioned seat 3.The other side compresses
The claw of mechanism 5 compresses shift fork inner edge under the action of oil cylinder.Meanwhile the circumferential support rod of stationary positioned seat 7 and shift fork outer rim
Contact compresses.Support base 8a, 8b and limited post 54 play the role of bottom supporting point.Entire fixture can realize the stable folder of shift fork
It holds, effectively improves processing efficiency and precision.
The method and its core concept of the above embodiments are only used to help understand the utility model.It should refer to
It out, for those skilled in the art, without departing from the principle of this utility model, can also be to this
Some improvement and modification can also be carried out for utility model, these improvement and modification also fall into the protection scope of the utility model claims
It is interior.
Claims (7)
1. a kind of numerical control lathe wheeled litter shift fork fork shaft hole and positioning surface fixture, it is characterised in that: including master (1), be set to master (1)
On balance weight (2), flexibly positioned seat (3), limit base (4), stationary positioned seat (7) and disc (6), and be set to disc (6)
On hold-down mechanism (5) and support base (8a, 8b)；The limit base (4) offers limiting slot (40), the limiting slot (40)
Bottom wall and one side side wall are equipped with flexibly positioned salient point (41,42), and the flexibly positioned seat (3) is set to limit base (4) side, and
Retractable supports portion equipped with the flexibly positioned salient point (42) being directed toward on limiting slot (40) side wall, the hold-down mechanism (5) are opposite
It is arranged in the limiting slot (40), and is equipped with the claw (50) for compressing workpiece to be processed, the support base (8a, 8b) is set to
Hold-down mechanism (5) two sides are used to support workpiece to be processed, and the stationary positioned seat (7) is set to disc (6) side, for treating
Workpieces processing fixes, and the balance weight (2) is set to side opposite with disc (6) on master (1).
2. numerical control lathe wheeled litter shift fork fork shaft hole as described in claim 1 and positioning surface fixture, it is characterised in that: the elasticity is fixed
Position seat (3) includes oil cylinder seat (31) and the Auxiliary support cylinder (32) being threadedly coupled with oil cylinder seat (31), the Auxiliary support cylinder
(32) it is equipped with the resilient support (30) for being directed toward the flexibly positioned salient point (42).
3. numerical control lathe wheeled litter shift fork fork shaft hole as described in claim 1 and positioning surface fixture, it is characterised in that: the compacting machine
Structure (5) includes oil cylinder (52), pull rod (51), claw (50), hinge (53) and limited post (54), and the oil cylinder (52) is for driving
Pull rod (51) stretches up and down, and the free end of the pull rod (51) is flexibly connected with one end of claw (50) by pin；The pressure
The middle part of pawl (50) is connect with hinge (53), and free end is set to claw for compressing workpiece to be processed, the limited post (54)
(50) below free end.
4. numerical control lathe wheeled litter shift fork fork shaft hole as described in claim 1 and positioning surface fixture, it is characterised in that: the fixation is fixed
Position seat (7) includes circumferentially positioned seat (70) and circumferential support rod (71), and the circumferential direction support rod (71) is threaded rod, is horizontally mounted
In in the threaded hole on circumferentially positioned seat (70), and positioning end is directed toward the hold-down mechanism (5).
5. numerical control lathe wheeled litter shift fork fork shaft hole as described in claim 1 and positioning surface fixture, it is characterised in that: the support base
(8a, 8b) includes support base and the support nail set on support base top, is equipped with threaded hole, the support nail at the top of the support base
It is connect by screw thread with support base.
6. numerical control lathe wheeled litter shift fork fork shaft hole as described in any one in claim 1-5 and positioning surface fixture, it is characterised in that: institute
It states hold-down mechanism (5) and support base (8a, 8b) is fixed on disc (6) by counterbore and corresponding bolt, the balance weight
(2), flexibly positioned seat (3), limit base (4), stationary positioned seat (7) and disc (6) are fixed by bolts in master (1) respectively
On.
7. numerical control lathe wheeled litter shift fork fork shaft hole as claimed in claim 6 and positioning surface fixture, it is characterised in that: the workpiece is
Shift fork.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821769962.3U CN209078274U (en) | 2018-10-30 | 2018-10-30 | A kind of numerical control lathe wheeled litter shift fork fork shaft hole and positioning surface fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821769962.3U CN209078274U (en) | 2018-10-30 | 2018-10-30 | A kind of numerical control lathe wheeled litter shift fork fork shaft hole and positioning surface fixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209078274U true CN209078274U (en) | 2019-07-09 |
Family
ID=67121463
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821769962.3U Active CN209078274U (en) | 2018-10-30 | 2018-10-30 | A kind of numerical control lathe wheeled litter shift fork fork shaft hole and positioning surface fixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209078274U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111113070A (en) * | 2019-12-27 | 2020-05-08 | 南京信息职业技术学院 | Tool for turning drill bit clamp of rock drill |
| CN115302268A (en) * | 2022-07-29 | 2022-11-08 | 青岛理工大学 | Torque converter anchor clamps, lathe work equipment and system |
-
2018
- 2018-10-30 CN CN201821769962.3U patent/CN209078274U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111113070A (en) * | 2019-12-27 | 2020-05-08 | 南京信息职业技术学院 | Tool for turning drill bit clamp of rock drill |
| CN111113070B (en) * | 2019-12-27 | 2021-07-30 | 南京信息职业技术学院 | Tool for turning drill bit clamp of rock drill |
| CN115302268A (en) * | 2022-07-29 | 2022-11-08 | 青岛理工大学 | Torque converter anchor clamps, lathe work equipment and system |
| CN115302268B (en) * | 2022-07-29 | 2024-02-06 | 青岛理工大学 | Torque converter clamp, turning equipment and system |
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