CN209288876U - A kind of disc type gear brill lightening hole indexing fixture - Google Patents
A kind of disc type gear brill lightening hole indexing fixture Download PDFInfo
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- CN209288876U CN209288876U CN201821737605.9U CN201821737605U CN209288876U CN 209288876 U CN209288876 U CN 209288876U CN 201821737605 U CN201821737605 U CN 201821737605U CN 209288876 U CN209288876 U CN 209288876U
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- indexing
- disc type
- mandrel
- type gear
- pedestal
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Abstract
The utility model specifically discloses a kind of disc type gears to bore lightening hole indexing fixture, including pedestal and indexing mandrel, is provided with location hole on pedestal, indexing mandrel is mounted in location hole, and disc type gear is mounted in indexing mandrel；It indexes and offers several index holes on the periphery of mandrel, the distributing position of index hole is adapted to the distributing position of disc type gear lightening hole；The control mechanism for mandrel and pedestal locking or loosening will to be indexed is equipped on pedestal；When indexing mandrel and pedestal loosens, indexing mandrel is able to drive disc type gear and turns to the corresponding position of next index hole.The disc type gear, which bores lightening hole indexing fixture, has locking device, and principle is ingenious, compact-sized, and machining accuracy is high, does not require processing environment, is suitble to low cost processing.
Description
Technical field
The utility model belongs to disc type gear processing technique field, is related to a kind of disc type gear brill lightening hole indexing fixture.
Background technique
Gearbox will usually process lightening hole on disc type gear, realize loss of weight section to realize light-weighted requirement
It can purpose.Current process equipment is upright drill, real under the precondition of not numerical control rotating platform using single spindle processing
Existing disc type gear bores lightening hole process, and field is a problem at home, especially adapts to different indexing requirements.Using numerical control rotating platform
Lightening hole is processed, speed of production can be improved, but cost of investment is big, can increase the processing cost of disc type gear.Add for above
Work status needs to design a kind of fixture for capableing of rapid processing lightening hole.
Utility model content
In order to overcome the problems of the above-mentioned prior art, the purpose of this utility model is to provide a kind of disc type gear brills
Lightening hole indexing fixture has indexing function, can adapt to the disc type gear difference number of divisions, is suitble to low cost processing.
The utility model is to be achieved through the following technical solutions:
A kind of disc type gear bores lightening hole indexing fixture, including pedestal and indexing mandrel, is provided with location hole on pedestal, indexes
Mandrel is mounted in location hole, and disc type gear is mounted in indexing mandrel；
It indexes and offers several index holes on the periphery of mandrel, the distributing position and disc type gear lightening hole of index hole
Distributing position adaptation；
It is provided with mounting hole on pedestal, the control for mandrel and pedestal locking or loosening will to be indexed is equipped in mounting hole
Mechanism.
Further, the control mechanism includes knob, guide sleeve, pin rod and spring, and pin rod includes the end of thread and for holding out against
Indexing mandrel holds out against end, and the end of thread is connect with knob；Spring wrap is on pin rod；
Guide sleeve is mounted in mounting hole and is set in outside pin rod, and guide sleeve is equipped with the limit of limitation pin rod shift position
Slot；
Pin rod is equipped with spacer pin, and the both ends of spacer pin are stuck in limiting slot.
Further, the end of thread of pin rod is fixedly connected by fixed pin with knob.
Further, holding out against for pin rod holds diameter identical as the diameter of index hole.
Further, knob outer cover is equipped with the rubber sleeve with grid line.
Further, disc type gear is fastened in indexing mandrel by nut and gasket.
Further, several link slots are offered on pedestal.
Further, the fastening structure for fastening indexing mandrel and pedestal is additionally provided on pedestal.
Further, fastening structure includes holding screw and monkey wrench, and monkey wrench is mounted on one end of holding screw, tightly
The other end for determining screw has run through pedestal and has extended at indexing mandrel foreign circle face.
Further, fastening structure is screw nut assembly.
Compared with prior art, the utility model has technical effect beneficial below:
Disc type gear disclosed by the utility model bores lightening hole indexing fixture, including pedestal and indexing mandrel, indexes mandrel
In the base, disc type gear is mounted in indexing mandrel for installation, is indexed and is offered several and disk class tooth on the periphery of mandrel
The index hole for taking turns the distributing position adaptation of lightening hole, is equipped with the control for that will index mandrel with pedestal locking or loosen on pedestal
Mechanism processed；When work, makes to index mandrel and pedestal loosens, it is corresponding that indexing mandrel drives disc type gear to turn to next index hole
Position, realize indexing process；It turns to after the corresponding position of next index hole, indexing mandrel and pedestal are locked
Start the lightening hole processed on disc type gear.Principle is ingenious, compact-sized, and machining accuracy is high, and manufacturing cost is low, to processing environment
It does not require, is suitble to low cost processing.
Further, control mechanism knob, guide sleeve, pin rod and spring, pin rod are connected with knob, affect pin rod by knob
It is mobile.When tensing knob, spring contraction, pin rod is displaced outwardly, and indexing mandrel and pedestal loosen, rotation indexing mandrel；When point
When spending central axis to next indexing hole site, knob is unclamped, spring is upheld, and pin rod rebounds next point under the action of the spring
It spends in hole, realizes indexing process.
Further, pin rod is fixedly connected by fixed pin with knob, prevents from using thread looseness for a long time.
Further, knob outer cover is equipped with the rubber sleeve with grid line, and ease of use personnel hold.
Further, the fastening structure for fastening indexing mandrel and pedestal is additionally provided on pedestal, when indexing central axis
When to position to be processed, mandrel will be indexed by fastening structure and pedestal fastens, and prevent indexing mandrel play in process,
Guarantee the accuracy of processing gear part lightening hole.
Detailed description of the invention
Fig. 1 is the three dimensional structure diagram of the utility model；
Fig. 2 is the schematic diagram of base structure of the utility model；
Fig. 3 is the front view of Fig. 1；
Fig. 4 is the top view of Fig. 1；
Fig. 5 is the pin rod structural schematic diagram of the utility model；
Fig. 6 is the indexing mandrel structure schematic diagram of the utility model；
Fig. 7 is the A-A cross-sectional view of Fig. 6；
Wherein: 1 is pedestal；2 be holding screw；3 be monkey wrench；4 be indexing mandrel；5 be gasket；6 be nut；7 are
Knob；8 be guide sleeve；9 be pin rod；10 be spring；11 be spacer pin；12 be fixed pin；13 be location hole；14 be link slot；15
For index hole.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawing:
As shown in Fig. 1~2, the disc type gear of the utility model bores lightening hole indexing fixture, including pedestal 1 and indexing mandrel
4, location hole 13 is provided on pedestal 1, indexing mandrel 4 is mounted in location hole 13, and disc type gear is mounted in indexing mandrel 4；?
Pedestal 1 is equipped with the control mechanism for that will index mandrel 4 and the locking of pedestal 1 or loosening, is provided with installation control mechanism on pedestal 1
Mounting hole；When indexing mandrel 4 and pedestal 1 loosens, indexing mandrel 4 is able to drive disc type gear and turns to next index hole
15 corresponding positions.
The location hole 13 for indexing 4 outer circle of mandrel and pedestal 1 uses 0.1mm clearance fit, guarantees that indexing mandrel 4 can be free
Rotation.4 outer circle of mandrel and disk-shaped gear inner holes 0.12mm clearance fit are indexed, convenient for the installing and dismounting of gear part.
As shown in Figures 4 and 5, the control mechanism includes knob 7, guide sleeve 8, pin rod 9 and spring 10, and pin rod 9 includes screw thread
End and end is held out against for holding out against indexing mandrel 4, the end of thread connect with knob 7；Spring 10 is wrapped on pin rod 9；Guide sleeve 8 is installed
It in mounting hole and is set in outside pin rod 9, guide sleeve 8 is equipped with the limiting slot of limitation 9 shift position of pin rod；Pin rod 9 is equipped with
The both ends of spacer pin 11, spacer pin 11 are stuck in limiting slot.
When tensing knob 7, spring 10 is shunk, and pin rod 9 is displaced outwardly, and indexing mandrel 4 and pedestal 1 loosen, rotation indexing
Mandrel 4；When indexing mandrel 4 turns to next 15 position of index hole, knob 7 is unclamped, spring 10 is upheld, and pin rod 9 is in spring
It is rebounded in next index hole 15 under 10 effects, realizes indexing process, then can start to process lightening hole.
The mounting hole of guide sleeve 8 and pedestal 1 is interference fitted, and guide sleeve 8 is motionless, guarantees the accurate movement of pin rod 9.When pin rod 9 to
When moving to predeterminated position outside, positioning pin is stuck in limiting slot, and pin rod 9 can not be just displaced outwardly again, and pin rod 9 is prevented to be detached from bottom
Seat 1.
Uniformly distributed in order to index, holding out against for pin rod 9 holds diameter identical as indexing 15 diameter of index hole of mandrel 4, indexes mandrel 4
16 hole Φ is processed in outer circle, the end outer diameter that holds out against of pin rod 9 is Φ 16.
The end of thread of pin rod 9 is fixedly connected by fixed pin 12 with knob 7, and being threadedly coupled use for a long time can loosen, and is added
If knob 7 being fixedly connected with pin rod 9, thoroughly preventing loosening after fixed pin 12.
7 outer cover of knob is equipped with the rubber sleeve with grid line, and ease of use personnel hold.
Two pin holes of Φ 3 are machined on the outer diameter of pin rod 9, one is used to position with guide sleeve 8, another is used for and knob
7 connections.
As shown in figs. 6-7, it indexes and offers several index holes 15, the distribution position of index hole 15 on the periphery of mandrel 4
It sets and is adapted to the distributing position of disc type gear lightening hole.It is required that the number of divisions and the disc type gear lightening hole number of divisions of indexing mandrel 4
Unanimously.
As shown in figure 3, being additionally provided with the fastening structure for fastening indexing mandrel 4 and pedestal 1, fastening structure on pedestal 1
Including holding screw 2 and monkey wrench 3, monkey wrench 3 is mounted on one end of holding screw 2, and the other end of holding screw 2 runs through
Pedestal 1 extends at indexing mandrel 4 periphery.Fastening structure can also be screw nut assembly.
As shown in figure 3, disc type gear is fastened in indexing mandrel 4 by nut 6 and gasket 5.Index the processing of 4 upper end of mandrel
There is M24 external screw thread, for being threadedly coupled with nut 6, by nut 6 and the fixation of gasket 5 gear part end face, when indexing indexes the heart
Axis 4, gasket 5, nut 6, gear part rotate together.
As shown in Fig. 2, being machined with the location hole 13 of Φ 95mm and depth 65mm on pedestal 1, for installing indexing mandrel 4, together
When indexing mandrel 4 be machined with Φ 95mm outer circle and 1 clearance fit of pedestal, indexing mandrel 4 can be freely rotated, and guarantee to index the time-division
Spend the reliability of mandrel 4.Pedestal 1 is machined with the mounting hole for mounting guide sleeve 8 of Φ 24mm, and guide sleeve 8 is matched with mounting hole interference
It closes.The link slot 14 of 6 24mm wide, generally U-type groove are machined on pedestal 1, it is convenient to be connect with upright drill.
In processing in use, location hole 13 and indexing 4 size of mandrel are unified, using unified φ 95mm interface, according to disk class
The indexing of gear part requires only to need to change indexing mandrel, can be with while can guarantee that the indexing for boring lightening hole requires
The different numbers of divisions are adapted to, realize that fast quick change produces, it is accurate to index.
The indexing fixture of the utility model only needs 3min quick change can produce fastly, while can guarantee the reliable of processing
Property.The disc type gear, which bores lightening hole indexing fixture, has locking device, and principle is ingenious, compact-sized, and machining accuracy is high, manufacture at
This is low.Processing environment is not required, low cost processing is suitble to.
Claims (10)
1. a kind of disc type gear bores lightening hole indexing fixture, which is characterized in that including pedestal (1) and indexing mandrel (4), pedestal
(1) it is provided on location hole (13), indexing mandrel (4) is mounted in location hole (13), and disc type gear is mounted on indexing mandrel (4)
On；
It indexes and offers several index holes (15) on the periphery of mandrel (4), the distributing position and disk class tooth of index hole (15)
Take turns the distributing position adaptation of lightening hole；
It is provided with mounting hole on pedestal (1), is equipped in mounting hole for that will index mandrel (4) and pedestal (1) locking or loosen
Control mechanism.
2. a kind of disc type gear according to claim 1 bores lightening hole indexing fixture, which is characterized in that the control mechanism
Including knob (7), guide sleeve (8), pin rod (9) and spring (10), pin rod (9) includes the end of thread and indexes mandrel (4) for holding out against
Hold out against end, the end of thread is connect with knob (7)；Spring (10) is wrapped on pin rod (9)；
Guide sleeve (8) is mounted in mounting hole and is set in pin rod (9) outside, and guide sleeve (8) is equipped with limitation pin rod (9) shift position
Limiting slot；
Pin rod (9) is equipped with spacer pin (11), and the both ends of spacer pin (11) are stuck in limiting slot.
3. a kind of disc type gear according to claim 2 bores lightening hole indexing fixture, which is characterized in that the spiral shell of pin rod (9)
Line end is fixedly connected by fixed pin (12) with knob (7).
4. a kind of disc type gear according to claim 2 bores lightening hole indexing fixture, which is characterized in that the top of pin rod (9)
Tight end diameter is identical as the diameter of index hole (15).
5. a kind of disc type gear according to claim 2 bores lightening hole indexing fixture, which is characterized in that knob (7) is external
It is arranged with the rubber sleeve with grid line.
6. a kind of disc type gear according to claim 1 bores lightening hole indexing fixture, which is characterized in that disc type gear passes through
Nut (6) and gasket (5) are fastened in indexing mandrel (4).
7. a kind of disc type gear according to claim 1 bores lightening hole indexing fixture, which is characterized in that pedestal is opened on (1)
Equipped with several link slots (14).
8. a kind of disc type gear brill lightening hole indexing fixture described in any one according to claim 1~7, which is characterized in that
The fastening structure for fastening indexing mandrel (4) and pedestal (1) is additionally provided on pedestal (1).
9. a kind of disc type gear according to claim 8 bores lightening hole indexing fixture, which is characterized in that fastening structure includes
Holding screw (2) and monkey wrench (3), monkey wrench (3) are mounted on one end of holding screw (2), holding screw (2) it is another
End has been run through pedestal (1) and has been extended at indexing mandrel (4) periphery.
10. a kind of disc type gear according to claim 8 bores lightening hole indexing fixture, which is characterized in that fastening structure is
Screw nut assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821737605.9U CN209288876U (en) | 2018-10-25 | 2018-10-25 | A kind of disc type gear brill lightening hole indexing fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821737605.9U CN209288876U (en) | 2018-10-25 | 2018-10-25 | A kind of disc type gear brill lightening hole indexing fixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209288876U true CN209288876U (en) | 2019-08-23 |
Family
ID=67646781
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821737605.9U Active CN209288876U (en) | 2018-10-25 | 2018-10-25 | A kind of disc type gear brill lightening hole indexing fixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209288876U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110814829A (en) * | 2019-11-12 | 2020-02-21 | 广东海洋大学 | Adjustable multi-angle milling device and method |
| CN113926872A (en) * | 2021-09-02 | 2022-01-14 | 华东理工大学 | Clamp for extrusion strengthening of high-strength alloy turbine disc hole structure |
| CN115945745A (en) * | 2022-12-23 | 2023-04-11 | 河北勤思机械配件有限公司 | Indexing mechanism for high-precision gear milling equipment |
-
2018
- 2018-10-25 CN CN201821737605.9U patent/CN209288876U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110814829A (en) * | 2019-11-12 | 2020-02-21 | 广东海洋大学 | Adjustable multi-angle milling device and method |
| CN113926872A (en) * | 2021-09-02 | 2022-01-14 | 华东理工大学 | Clamp for extrusion strengthening of high-strength alloy turbine disc hole structure |
| CN115945745A (en) * | 2022-12-23 | 2023-04-11 | 河北勤思机械配件有限公司 | Indexing mechanism for high-precision gear milling equipment |
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