CN206662771U - Fixture for milling shift fork flat surface - Google Patents
Fixture for milling shift fork flat surface Download PDFInfo
- Publication number
- CN206662771U CN206662771U CN201720293573.7U CN201720293573U CN206662771U CN 206662771 U CN206662771 U CN 206662771U CN 201720293573 U CN201720293573 U CN 201720293573U CN 206662771 U CN206662771 U CN 206662771U
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- CN
- China
- Prior art keywords
- alignment pin
- clamp body
- pressing plate
- shift fork
- fixture
- 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.)
- Expired - Fee Related
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Abstract
A kind of fixture for milling shift fork flat surface, including clamp body, stud, mobile pressing plate, studs, alignment pin one, alignment pin two, feeler block and positioning key, alignment pin one and alignment pin two are located on clamp body, and the distance between the axis of alignment pin one and the axis of alignment pin two are equal with the distance between two through holes on blank；Mobile pressing plate is provided with slotted hole, and its lower surface is provided with horizontal groove；The lower end of studs is threadedly coupled with clamp body, upper end is rotary with packing ring and nut after passing through the slotted hole of mobile pressing plate, and spring is provided between clamp body and studs；Stud lower end is threadedly coupled with clamp body, upper end is with moving the fit depressions on pressing plate lower surface；Positioning key is located on the lower plane of clamp body bottom plate；Feeler block is fixed on clamp body in plane by screw one.The fixture realizes complete positioning using the Position with One Plane and Two Holes of shift fork blank as positioning datum, is compressed using mobile pressing plate, and simple and reliable for structure, renewal part is convenient.
Description
Technical field
A kind of fraise jig is the utility model is related to, more particularly to a kind of fixture for milling shift fork flat surface, category
In machining technology field.
Background technology
Part as shown in Figure 1 is a kind of shift fork, and it is located in lathe gear, mainly plays gear shift, makes main shaft
Gyration is operated according to the requirement of worker.The material of the part is malleable cast iron, can be mechanical again by rough forging
The mode of cutting obtains the part.It is typically to forge two parts integrally symmetrical blank, then carry out follow-up machine during forging
Tool is processed to obtain part.Milling machine is a kind of widely used lathe, and plane, groove can be processed on milling machine, divides tooth part, spiral shell
Shape surface and various curved surfaces are revolved, therefore, the flat surface of shift fork part can be processed with milling machine, and have phase with milling machine processing part
The fixture answered ensures the positioning and clamping of workpiece.
The content of the invention
In order to solve the above problems, the utility model provide a kind of fixture for milling shift fork flat surface, the fixture with
The Position with One Plane and Two Holes of shift fork blank is positioning datum, realizes complete positioning, is compressed using mobile pressing plate, simple and reliable for structure, more
It is convenient to change part, is easily installed, it is high in machining efficiency.
In order to achieve the above object, the utility model uses following technical scheme：It is a kind of for milling shift fork flat surface
Fixture, including clamp body, stud, mobile pressing plate, studs, alignment pin one, alignment pin two, feeler block and positioning key, it is described
Clamp body left and right ends be respectively provided with former and later two U-shaped installation ear mounts, described alignment pin one and alignment pin two are located at clamp body
Upper plane on, the through hole of the distance between the axis of alignment pin one and the axis of alignment pin two with two above-below directions on shift fork blank
The distance between it is equal, alignment pin one and alignment pin two are located in clamp body fore-and-aft direction median plane；Mobile pressure described in two
Plate is symmetrical set, and mobile pressing plate is provided with slotted hole, and one end away from shift fork blank is provided with left and right directions on its lower surface
Horizontal groove；Studs described in two is symmetrical set, and the lower end of studs is threadedly coupled with clamp body, upper end
Packing ring and nut are rotary with after through the slotted hole of mobile pressing plate, spring is provided between clamp body and studs；Described in two
Stud be symmetrical set, its lower end is threadedly coupled with clamp body, upper end and the fit depressions on mobile pressing plate lower surface；
Described positioning key is located on the lower plane of clamp body bottom plate；Described feeler block is fixed on plane on clamp body by screw one
On；
Further, in addition to supporting plate, supporting plate are fixed between alignment pin one and alignment pin two by screw two
On clamp body in plane, its height is equal with the height of alignment pin one and the positioning shaft shoulder of alignment pin two；
Further, described positioning key quantity is two, from A type positioning keys, the positioning of two positioning key the same sides
In the same plane, positioning key is fixed on clamp body by screw three for side；
Further, described alignment pin one and alignment pin 21 are straight pin, and another is rhombus pin.
The utility model realizes the complete positioning to workpiece using the bottom surface of shift fork blank and two holes as positioning datum,
Using mobile platen clamp, positioning precision is high, reliable clamping；Fixture is provided with feeler block, realizes quickly processing to knife.Should
Clamp structure is simple and reliable, and renewal part is convenient, is easily installed, high in machining efficiency.
Brief description of the drawings
Fig. 1 is the structural representation of shift fork.
Fig. 2 is front view of the present utility model.
Fig. 3 is top view of the present utility model.
Fig. 4 is left view of the present utility model.
Fig. 5 is Fig. 3 A-A sectional views.
In figure：1st, clamp body, 2, stud, 3, mobile pressing plate, 4, spring, 5, packing ring, 6, nut, 7, studs, 8, fixed
Position pin one, 9, alignment pin two, 10, feeler block, 11, screw one, 12, screw two, 13, positioning key, 14, screw three, 15, support
Plate.
Embodiment
It is (left and right directions, above-below direction in following description, preceding that the utility model is described in further detail below in conjunction with the accompanying drawings
Rear is to identical with the left and right directions in Fig. 2, above-below direction, fore-and-aft direction, and the direction away from reader is rear in Fig. 2).
It is the part drawing of the shift fork to be processed as shown in Figure 1, is respectively the front view of shift fork, bows from Fig. 1 (a)~Fig. 1 (c)
View and A-A sectional views；As shown in Figures 2 to 4, a kind of fixture for milling shift fork flat surface, including clamp body 1, stud
2nd, mobile pressing plate 3, studs 7, alignment pin 1, alignment pin 29, feeler block 10 and positioning key 13, described clamp body 1 are left
Right both ends are respectively provided with former and later two U-shaped installation ear mounts, and described alignment pin 1 and alignment pin 29 are located at the upper plane of clamp body 1
On, the distance between the axis of alignment pin 1 and the axis of alignment pin 29 are between the through hole of two above-below directions on shift fork blank
Apart from equal, alignment pin 1 and alignment pin 29 are located in the fore-and-aft direction median plane of clamp body 1；Mobile pressing plate 3 described in two
It is symmetrical set, mobile pressing plate 3 is provided with slotted hole, and one end away from shift fork blank is provided with left and right directions on its lower surface
Horizontal groove；Studs 7 described in two is symmetrical set, the lower end of studs 7 is threadedly coupled with clamp body 1, on
Packing ring 5 and nut 6 are rotary with after holding through the slotted hole of mobile pressing plate 3, spring 4 is provided between clamp body 1 and studs 7；
Stud 2 described in two is symmetrical set, and its lower end is threadedly coupled with clamp body 1, upper end is with moving on the lower surface of pressing plate 3
Fit depressions；Described positioning key 9 is located on the lower plane of the bottom plate of clamp body 1；Described feeler block 10 passes through screw 1
It is fixed on clamp body 1 in plane.
Operation principle：After first this fixture is assembled, by fixture integral installation on milling machine table；By shift fork blank
The alignment pin 1 on clamp body 1 in plane, being and alignment pin 29 is positioned over to be engaged with two holes of shift fork blank, now,
The complete positioning of Position with One Plane and Two Holes is as carried out to shift fork workpiece by the shaft shoulder end face of two alignment pins and alignment pin, now, to
Lower mobile automatic plate press 3 so that the upper end of stud 2 is placed in the groove of the mobile lower surface of pressing plate 3, tightening nut 6, makes to move pressure
Plate 3 compresses shift fork blank, you can carries out milling flat surface processing, after completion of processing, reversely rotates nut 6, mobile pressing plate 3 is in bullet
Moved up in the presence of the restoring force of spring 4 so that mobile pressing plate 3 disengages with shift fork blank, takes down workpiece, carries out next
The processing of workpiece.
Described fixture also includes supporting plate 15, and supporting plate 15 passes through spiral shell between alignment pin 1 and alignment pin 29
Follow closely 2 12 to be fixed on clamp body in plane, its height is equal with the height of alignment pin 1 and the positioning shaft shoulder of alignment pin 29；
Supporting plate 15 plays Auxiliary support, prevents the active force of milling so that alignment pin 1 and alignment pin 29 deform and shadow
Ring the precision of fixture.
The described quantity of positioning key 13 is two, and from A type positioning keys, the positioning side of two the same sides of positioning key 13 exists
In same plane, positioning key 13 is fixed on clamp body 1 by screw 3 14；During installation, the distance between two positioning keys 13
As far as possible far to improve the installation accuracy of fixture, positioning key 13 and the selection standard part of screw 3 14 are easy to accessory, installation and determined
Position is reliable.
Described alignment pin 1 and alignment pin 291 is straight pin, and another is rhombus pin, and two pins coordinate positioning,
Both complete positioning can be realized, positioning will not be crossed again, be easily installed.
Claims (4)
- A kind of 1. fixture for milling shift fork flat surface, it is characterised in that：Including clamp body (1), stud (2), mobile pressing plate (3), studs (7), alignment pin one (8), alignment pin two (9), feeler block (10) and positioning key (13), described clamp body (1) left and right ends are respectively provided with former and later two U-shaped installation ear mounts, and described alignment pin one (8) and alignment pin two (9) are located at clamp body (1) in upper plane, the distance between alignment pin one (8) axis and alignment pin two (9) axis with about two on shift fork blank The distance between the through hole in direction is equal, and alignment pin one (8) and alignment pin two (9) are located at clamp body (1) fore-and-aft direction median plane It is interior；Mobile pressing plate (3) described in two is symmetrical set, and mobile pressing plate (3) is provided with slotted hole, on its lower surface away from group The one end for pitching blank is provided with the horizontal groove of left and right directions；Studs (7) described in two is symmetrical set, studs (7) lower end is threadedly coupled with clamp body (1), upper end is rotary with packing ring (5) and nut after passing through the slotted hole of mobile pressing plate (3) (6) spring (4), is provided between clamp body (1) and studs (7)；Stud (2) described in two is symmetrical set, its Lower end is threadedly coupled with clamp body (1), upper end is with moving the fit depressions on pressing plate (3) lower surface；Described positioning key (9) It is located on the lower plane of clamp body (1) bottom plate；Described feeler block (10) is fixed on clamp body (1) by screw one (11) and put down On face.
- 2. a kind of fixture for milling shift fork flat surface according to claim 1, it is characterized in that：Also include supporting plate (15), supporting plate (15) is fixed on clamp body between alignment pin one (8) and alignment pin two (9) by screw two (12) In plane, its height is equal with the height of alignment pin one (8) and the positioning shaft shoulder of alignment pin two (9).
- 3. a kind of fixture for milling shift fork flat surface according to claim 1 or 2, it is characterized in that：Described positioning Key (13) quantity is two, in the same plane, fixed from A type positioning keys, the positioning side of two positioning key (13) the same sides Position key (13) is fixed on clamp body (1) by screw three (14).
- 4. a kind of fixture for milling shift fork flat surface according to claim 3, it is characterized in that：Described alignment pin one (8) and alignment pin two (9) one is straight pin, and another is rhombus pin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720293573.7U CN206662771U (en) | 2017-03-24 | 2017-03-24 | Fixture for milling shift fork flat surface |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720293573.7U CN206662771U (en) | 2017-03-24 | 2017-03-24 | Fixture for milling shift fork flat surface |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206662771U true CN206662771U (en) | 2017-11-24 |
Family
ID=60372869
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720293573.7U Expired - Fee Related CN206662771U (en) | 2017-03-24 | 2017-03-24 | Fixture for milling shift fork flat surface |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206662771U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108098389A (en) * | 2017-12-18 | 2018-06-01 | 中国航发贵州黎阳航空动力有限公司 | A kind of abnormal shape expansion block type face NC Milling fixture and processing method |
| CN108818089A (en) * | 2018-07-20 | 2018-11-16 | 河南科技大学 | A kind of two sides hole workpiece positioning fixture |
| CN109048415A (en) * | 2018-08-13 | 2018-12-21 | 江苏大学 | A kind of machining center bracket milling face drilling milling manual tooling of circular arc |
| CN109759868A (en) * | 2019-03-08 | 2019-05-17 | 常州机电职业技术学院 | Tractor gearbox shifting fork jaw milling machine fixture and using method thereof |
| CN110977541A (en) * | 2019-12-31 | 2020-04-10 | 哈尔滨安宇迪航空工业有限公司 | Positioning and clamping mechanism |
| CN113909812A (en) * | 2021-10-09 | 2022-01-11 | 重庆红江机械有限责任公司 | Machining method of slideway counter bore |
-
2017
- 2017-03-24 CN CN201720293573.7U patent/CN206662771U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108098389A (en) * | 2017-12-18 | 2018-06-01 | 中国航发贵州黎阳航空动力有限公司 | A kind of abnormal shape expansion block type face NC Milling fixture and processing method |
| CN108818089A (en) * | 2018-07-20 | 2018-11-16 | 河南科技大学 | A kind of two sides hole workpiece positioning fixture |
| CN109048415A (en) * | 2018-08-13 | 2018-12-21 | 江苏大学 | A kind of machining center bracket milling face drilling milling manual tooling of circular arc |
| CN109759868A (en) * | 2019-03-08 | 2019-05-17 | 常州机电职业技术学院 | Tractor gearbox shifting fork jaw milling machine fixture and using method thereof |
| CN110977541A (en) * | 2019-12-31 | 2020-04-10 | 哈尔滨安宇迪航空工业有限公司 | Positioning and clamping mechanism |
| CN113909812A (en) * | 2021-10-09 | 2022-01-11 | 重庆红江机械有限责任公司 | Machining method of slideway counter bore |
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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 |
Granted publication date: 20171124 Termination date: 20180324 |
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| CF01 | Termination of patent right due to non-payment of annual fee |