CN205940405U - Internal tooth profile of tooth detects positioning fixture - Google Patents
Internal tooth profile of tooth detects positioning fixture Download PDFInfo
- Publication number
- CN205940405U CN205940405U CN201620958229.0U CN201620958229U CN205940405U CN 205940405 U CN205940405 U CN 205940405U CN 201620958229 U CN201620958229 U CN 201620958229U CN 205940405 U CN205940405 U CN 205940405U
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- China
- Prior art keywords
- positioning
- internal tooth
- locating
- ring
- tooth profile
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- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The utility model provides an internal tooth profile of tooth detects positioning fixture belongs to mechanical technical field. It has solved current internal tooth profile of tooth detects positioning fixture's the comparatively inconvenient and positioning accuracy not high problem of operation. This internal tooth profile of tooth detects positioning fixture, including the base and set up the positioning seat on the base, the middle part of positioning seat is equipped with annular convex body, and the outside of annular convex body has linked firmly and has been annular holding ring, holding ring and the coaxial setting of annular convex body, the inboard of holding ring is equipped with that a plurality of have elastic locating detent and the locating detent uses the axis of annular convex body evenly to set up as the center. This internal tooth profile of tooth detects positioning fixture has the comparatively convenient and higher problem of positioning accuracy of operation.
Description
Technical field
The utility model belongs to field of mechanical technique, is related to a kind of positioning fixture, and particularly a kind of internal tooth profile of tooth detection is fixed
Position fixture.
Background technology
Ring gear, when detecting profile of tooth teeth directional, is installed correction and is bothered very much, typically with the cylindrical of part to be checked and end face
Positioned, recycled the rotation of gear measuring center workbench, locating surface is carried out playing table correction to foreign round, upper to workpiece
End face is compressed, and subsequently into normal process of measurement, the installation correction of workpiece is time-consuming almost to account for whole time of measuring
Half, efficiency is very low, meanwhile, in compression end face This move, also exists and calibrated part is pressed again partially
Possibility, affect final testing result.Therefore, in mass-production stage, smart in the urgent need to the simple to operate, resetting of one kind
Spend high special positioning fixture.
A kind of internal tooth ring positioning unit (application number as disclosed in Chinese patent literature：201520631884.0), including setting
It is placed in the support base of annular processing platform, support base includes base plate, riser and gripper shoe, base plate, riser and gripper shoe are led to
The mode crossing welding is combined into a non-removable all-in-one-piece frame-shaped construction, base plate is provided with and is easy to by support base admittedly
It is scheduled on the through hole of annular processing platform, gripper shoe is provided with ring gear supporting surface, ring gear supporting surface is vertically arranged with interior
The cylindrical alignment pin of tooth state, in described gripper shoe, centre position is additionally provided with T-slot, and described alignment pin is arranged in this T-slot, ring
At least 3 sets support bases are provided with shape processing platform.But there is operation more inconvenience and positioning accurate in this internal tooth ring positioning unit
Spend not high problem.
Content of the invention
The purpose of this utility model be there are the problems referred to above for existing technology it is proposed that a kind of simple to operation and
The higher internal tooth profile of tooth detection positioning fixture of positioning precision.
The purpose of this utility model can be realized by following technical proposal：Internal tooth profile of tooth detects positioning fixture, the bottom of including
Seat and be arranged on positioning seat on described base it is characterised in that the middle part of described positioning seat is provided with annular convex, institute
The outside of the annular convex stated is fixed with locating ring ringwise, and described locating ring is coaxially disposed with described annular convex,
The inner side of described locating ring is provided with the resilient locating detent of some tools and described locating detent is with the axle of described annular convex
It is uniformly arranged centered on line.
Before detection, in locating detent that standard component is inserted into locating ring along spigot surface, by the locating detent on locating ring
Standard component elasticity is held tightly, rotating base is corrected to the center of positioning seat, then locking positioning seat.Positioning tested internal tooth
During circle, ring gear is directly introduced to the inner side of locating ring along spigot surface, promotes locating detent past by the lateral wall of ring gear
Outside somewhat flicks, and by the elastic force of locating detent, ring gear is positioned inside locating ring, and makes annular convex be resisted against internal tooth
On the convex shoulder of the inner of circle, realize the axially position to ring gear, after detection is good, can directly ring gear be taken from locating ring
Under, have the advantages that simple to operation and positioning precision is higher.Because locating detent is uniform centered on the axis of annular convex
Setting, enables locating detent uniformly to clamp ring gear, it is to avoid the lateral wall of ring gear produces deformation, has locating effect preferable
Advantage.Alternatively,
In above-mentioned internal tooth profile of tooth detection positioning fixture, the described lower surface of locating ring is upper with described positioning seat
It is provided with packing ring, the inner of described locating detent protrudes from the madial wall of described packing ring between end face.The inner protrusion of locating detent
In the madial wall of packing ring, enable locating detent smoothly to carry out elastic deformation, there is the preferable advantage of locating effect.
In above-mentioned internal tooth profile of tooth detection positioning fixture, the upper end-face edge of the described madial wall of locating ring has outward
Roll oblique guide surface.By arranging guide surface, it is easy to workpiece and is inserted in locating ring, have the advantages that using more dismounting.
In above-mentioned internal tooth profile of tooth detection positioning fixture, between described locating ring and described positioning seat, pass through screw
It is fixedly connected with and described screw passes through corresponding described packing ring.By screw, locating ring and packing ring are fixed on positioning seat,
There is structure simply and dismount conveniently advantage.
In above-mentioned internal tooth profile of tooth detection positioning fixture, described base is fixed with thimble, described positioning seat
Lower end has connecting hole and described thimble is inserted into described connection in the hole, and the sidewall thread of described positioning seat is connected with spiral shell
The inner of nail and described screw is resisted against on the described lateral wall of thimble.It is resisted against by the screw being connected on positioning seat
On the lateral wall of thimble, realize being connected of positioning seat and base, have the advantages that structure is simple, easy to connect, simultaneously facilitate tune
The advantage of the height of section positioning seat, has using more convenient.
In above-mentioned internal tooth profile of tooth detection positioning fixture, the lower end of described thimble is coaxially provided with positioning in disk form
Body, the upper surface of described base is provided with the detent matching with positioning body and described positioning body is embedded in described positioning
In groove, described positioning body is fixedly connected with described base by screw.The positioning body of thimble is embedded in detent, and leads to
Cross screw to be fixedly connected with base, have that structure is simple and the preferable advantage of locating effect.
Compared with prior art, this internal tooth profile of tooth detection positioning fixture has advantages below：
1st, locating detent is promoted somewhat to flick toward outside by the lateral wall of ring gear, by the elastic force of locating detent by ring gear
It is positioned inside locating ring, after detection is good, can directly ring gear be taken off from locating ring, have simple to operation and position
The higher advantage of precision；
2nd, because locating detent is uniformly arranged centered on the axis of annular convex, locating detent is enable uniformly to clamp internal tooth
Circle, it is to avoid the lateral wall of ring gear produces deformation, has the preferable advantage of locating effect；
3rd, the inner of locating detent protrudes from the madial wall of packing ring, enables locating detent smoothly to carry out elastic deformation, has
The preferable advantage of locating effect；
4th, the screw by being connected on positioning seat is resisted against on the lateral wall of thimble, realizes consolidating of positioning seat and base
Even, have the advantages that structure is simple, easy to connect, the advantage simultaneously facilitating the height adjusting positioning seat, have using more square
Just.
Brief description
Fig. 1 is the cross-sectional schematic that this internal tooth profile of tooth detects positioning fixture.
Fig. 2 is the schematic top plan view of the locating ring of this positioning fixture.
In figure, 1, base；1a, detent；2nd, positioning seat；2a, annular convex；2b, connecting hole；3rd, locating ring；3a, fixed
Position pawl；3b, guide surface；4th, packing ring；5th, screw；6th, thimble；6a, positioning body；7th, ring gear.
Specific embodiment
The following is specific embodiment of the utility model and combine accompanying drawing, the technical solution of the utility model is made further
Description, but the utility model is not limited to these embodiments.
As illustrated in fig. 1 and 2, internal tooth profile of tooth detection positioning fixture, including base 1 and be arranged on the positioning seat on base 1
2, the middle part of positioning seat 2 is provided with annular convex 2a, and the outside of annular convex 2a is fixed with locating ring 3 ringwise, locating ring 3 with
Described annular convex 2a is coaxially disposed, and is provided with packing ring 4, locating detent between the upper surface of the lower surface of locating ring 3 and positioning seat 2
The inner of 3a protrudes from the madial wall of described packing ring 4, is fixedly connected with and screw 5 by screw 5 between locating ring 3 and positioning seat 2
Pass through corresponding packing ring 4.By screw 5, locating ring 3 and packing ring 4 are fixed on positioning seat 2, there is structure simply and dismount relatively
Advantage for convenience.
The upper end-face edge of the madial wall of locating ring 3 has and rolls oblique guide surface 3b outward.By arranging guide surface 3b, just
It is inserted in locating ring 3 in workpiece, have the advantages that using more dismounting.It is resilient that the inner side of locating ring 3 is provided with some tools
The madial wall of locating detent 3a and locating detent 3a is uniformly arranged centered on the axis of annular convex 2a, locating detent 3a all can be against
On the lateral wall of tested ring gear 7.
Thimble 6 is fixed with base 1, the lower end of positioning seat 2 has connecting hole 2b and thimble 6 is inserted in connecting hole 2b,
The sidewall thread of positioning seat 2 is connected with screw 5, and the inner of screw 5 is resisted against on the lateral wall of thimble 6, realizes positioning seat 2 and bottom
Being connected of seat 1, has the advantages that structure is simple, easy to connect, and the advantage simultaneously facilitating the height adjusting positioning seat 2 has and makes
With more convenient.
The lower end of thimble 6 is coaxially provided with positioning body 6a in disk form, and the upper surface of base 1 is provided with and positioning body 6a phase
The detent 1a joining and positioning body 6a is embedded in detent 1a, positioning body 6a is fixedly connected with base 1 by screw 5, has
Structure is simple and the preferable advantage of locating effect.
Before detection, in locating detent 3a that standard component is inserted into locating ring 3 along spigot surface 3b, by locating ring 3
Locating detent 3a holds tightly to standard component elasticity, and rotating base 1 is corrected to the center of positioning seat 2, then locking positioning seat 2.?
When detection or the tested ring gear 7 of positioning, tested ring gear 7 is directly introduced to the inner side of locating ring 3, by ring gear 7
Lateral wall promotes locating detent 3a somewhat to flick toward outside, by the elastic force of locating detent 3a, ring gear 7 is positioned in locating ring 3
Side, and so that annular convex 2a is resisted against on the convex shoulder of the inner of ring gear 7, realize the axially position to ring gear 7, detect
Afterwards, directly ring gear 7 can be taken off from locating ring 3, have the advantages that simple to operation and positioning precision is higher.Due to fixed
Position pawl 3a is uniformly arranged centered on the axis of annular convex 2a, enables locating detent 3a uniformly to clamp ring gear 7, it is to avoid internal tooth
The lateral wall of circle 7 produces deformation, has the preferable advantage of locating effect.The inner of locating detent 3a protrudes from the madial wall of packing ring 4,
Enable locating detent 3a smoothly to carry out elastic deformation, there is the preferable advantage of locating effect.
Specific embodiment described herein is only explanation for example to the utility model spirit.The utility model institute
Belong to those skilled in the art described specific embodiment can be made with various modifications or supplement or using similar
Mode substitute, but without departing from of the present utility model spirit or surmount scope defined in appended claims.
Although more employing base 1, detent 1a, positioning seat 2, annular convex 2a, connecting hole 2b, positioning herein
The terms such as ring 3, locating detent 3a, packing ring 4, screw 5, thimble 6, positioning body 6a, ring gear 7, but be not precluded from using other terms
Possibility.It is used for the purpose of more easily describing and explaining essence of the present utility model using these terms；They are explained
Any additional restriction is become to be all contrary with the utility model spirit.
Claims (6)
1. internal tooth profile of tooth detection positioning fixture, includes the positioning seat (2) on base (1) and the base (1) described in being arranged on, its
It is characterised by, the middle part of described positioning seat (2) is provided with annular convex (2a), and the outside of described annular convex (2a) is fixed with
Locating ring (3) ringwise, described locating ring (3) is coaxially disposed with described annular convex (2a), described locating ring (3)
Inner side be provided with some tool resilient locating detent (3a) and described locating detent (3a) with the axle of described annular convex (2a)
It is uniformly arranged centered on line.
2. internal tooth profile of tooth according to claim 1 detects positioning fixture it is characterised in that under described locating ring (3)
It is provided with packing ring (4), the inner of described locating detent (3a) protrudes from described between end face and the described upper surface of positioning seat (2)
Packing ring (4) madial wall.
3. internal tooth profile of tooth according to claim 1 detect positioning fixture it is characterised in that described locating ring (3) interior
The upper end-face edge of side wall has and rolls oblique guide surface (3b) outward.
4. internal tooth profile of tooth according to claim 2 detection positioning fixture is it is characterised in that described locating ring (3) and institute
It is fixedly connected with by screw (5) between the positioning seat (2) stated and described screw (5) passes through corresponding described packing ring (4).
5. internal tooth profile of tooth according to claim 1 or 2 or 3 or 4 detects positioning fixture it is characterised in that described base
(1) it is fixed with thimble (6) on, the lower end of described positioning seat (2) has connecting hole (2b) and described thimble (6) is inserted into institute
In the connecting hole (2b) stated, the sidewall thread of described positioning seat (2) is connected with screw (5) and the inner of described screw (5)
It is resisted against on the described lateral wall of thimble (6).
6. internal tooth profile of tooth according to claim 5 detects positioning fixture it is characterised in that the lower end of described thimble (6)
It is coaxially provided with positioning body (6a) in disk form, the upper surface of described base (1) is provided with and determining that positioning body (6a) matches
Position groove (1a) and described positioning body (6a) is embedded in described detent (1a), described positioning body (6a) passes through screw
(5) it is fixedly connected with described base (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620958229.0U CN205940405U (en) | 2016-08-26 | 2016-08-26 | Internal tooth profile of tooth detects positioning fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620958229.0U CN205940405U (en) | 2016-08-26 | 2016-08-26 | Internal tooth profile of tooth detects positioning fixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205940405U true CN205940405U (en) | 2017-02-08 |
Family
ID=57953959
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620958229.0U Expired - Fee Related CN205940405U (en) | 2016-08-26 | 2016-08-26 | Internal tooth profile of tooth detects positioning fixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205940405U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111761138A (en) * | 2020-05-30 | 2020-10-13 | 浙江三欢齿轮有限公司 | Gear scraping machine |
-
2016
- 2016-08-26 CN CN201620958229.0U patent/CN205940405U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111761138A (en) * | 2020-05-30 | 2020-10-13 | 浙江三欢齿轮有限公司 | Gear scraping machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170208 Termination date: 20200826 |