CN205703377U - Knuckle stepped hole processes new fixture - Google Patents
Knuckle stepped hole processes new fixture Download PDFInfo
- Publication number
- CN205703377U CN205703377U CN201620677474.4U CN201620677474U CN205703377U CN 205703377 U CN205703377 U CN 205703377U CN 201620677474 U CN201620677474 U CN 201620677474U CN 205703377 U CN205703377 U CN 205703377U
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- CN
- China
- Prior art keywords
- knuckle
- stepped hole
- location
- pressing plate
- new 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.)
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Abstract
A kind of knuckle stepped hole processes new fixture, and knuckle includes axle journal, ring flange and two stepped holes coaxial and spaced apart, and new fixture includes base and locating surface, and locating surface has the location trepanning and two protruding alignment pins being connected with described journal engagement；Ring flange has the flange face with location plane-plane contact location fit and the hole, location with described alignment pin pin-and-hole location fit, and it follows location uniform principles, uses plane and two pits location mode, and registration is reasonable, it is to avoid the inaccurate manufacturing deficiency caused in location.
Description
Technical field
This utility model is about a kind of fixture, the new fixture being processed especially for knuckle stepped hole.
Background technology
In automobile market, 6700 model knuckle demands are bigger at present, wherein process the Ф 38 in 6700 type knuckles
Hole, rank operation is its important procedure the efficiency directly affecting whole production and quality.
During existing concrete processing, owing to the defect of fixture causes product quality not to be the most stable, working (machining) efficiency
Low, it is impossible to meet throughput requirements, it is impossible to meet the production capacity of market high demand and and reach product due quality technological requirement.
As it is shown in figure 1, processing 6700 type knuckle Ф 38 stepped hole operation fixtures have employed the mode of self-alignment supporting.Actual
In upper processing, knuckle 1 is adding upper positioning sleeve 31 cylindrical relying on fixture man-hour and lower positioning sleeve 32 excircle orientation；Upper and lower fixed
Position set excircle dimension is less than knuckle 1 kingpin bore size, and generally the minima than king pin hole dimension ф 34+0.03mm is also
Little 0.03mm.Therefore fixture positioning sleeve cylindrical and inner hole of workpiece gap form looseness, meanwhile, in cutter guide finger and fixture positioning sleeve
Interporal lacuna also forms same type looseness, and guide finger is meticulous and overhanging is longer causes guiding rigidity poor.Also has workpiece without clamping dress
Put, add workpiece in man-hour and cutter exists mutual stress runout, cause product adding man-hour because of workpiece and the existence of cutter stress mutually
Swinging, hole shape is irregular, position, hole shift phenomenon occurs to make the product after processing exist, and time serious, causes product rejection.
It addition, workpiece is without clamping device, adds workpiece in man-hour and cutter exists mutual stress and swings, make the product machined
Have that hole shape is irregular, the skew of position, hole.Prior art restrained degree of freedom during processing is fewer, causes workpiece
Location inaccuracy, it is impossible to meet technological requirement, and working (machining) efficiency is low.
Accordingly, it is desirable to provide a kind of novel fixture, to overcome drawbacks described above of the prior art, improve converted products
Quality and stability.
Utility model content
This utility model provides a kind of knuckle stepped hole to process new fixture, to solve the problems of the prior art, improves
The quality of converted products and stability.
This utility model provides a kind of knuckle stepped hole and processes new fixture, and described knuckle includes axle journal, ring flange
The stepped hole coaxial and spaced apart with two, described axle journal is positioned at the front of described ring flange, and described stepped hole is positioned at described
The reverse side of ring flange, wherein:
Described new fixture includes that base and locating surface, described locating surface have: the positioning sleeve being connected with described journal engagement
Hole, and two protruding alignment pins；
Described ring flange has: with the flange face of described location plane-plane contact location fit；And with the pin of described alignment pin
The hole, location of hole location fit.
Knuckle stepped hole as above processes new fixture, these, it is preferred to: two described alignment pins are along described fixed
The diameter both sides of position trepanning are arranged.
Knuckle stepped hole as above processes new fixture, these, it is preferred to: described flange face is protruding platform
Face.
Knuckle stepped hole as above processes new fixture, these, it is preferred to: also there is on described base compression dress
Put, and described hold down gag include:
Lay respectively at fixed supporting seat and the movable supporting seat of described locating surface both sides；
Pressing plate, described pressing plate is connected across described locating surface and with described fixed supporting seat and described movable supporting seat, and
Described pressing plate leans with the reverse side of described ring flange and contacts.
Knuckle stepped hole as above processes new fixture, these, it is preferred to: the fixing end of described pressing plate is with described
Fixed supporting seat chain connection, described movable supporting seat has the work of cam pressing block, described cam pressing block and described pressing plate
Moved end leans contact, fixes described pressing plate with the most described movable supporting seat.
Knuckle stepped hole as above processes new fixture, these, it is preferred to: described movable supporting seat also has hands
Handle, cam pressing block described in described handle drives.
Knuckle stepped hole as above processes new fixture, these, it is preferred to: also have in the middle of described pressing plate relatively
The floating briquetting that described pressing plate is flexibly connected, described floating briquetting leans with the reverse side of described ring flange and contacts.
Knuckle stepped hole as above processes new fixture, these, it is preferred to: have in the middle of described pressing plate: pressing plate
Hole, and the pressing plate bearing pin being arranged in described plate hole, and described floating briquetting the most described pressing plate bearing pin is rotationally connected.
Knuckle stepped hole as above processes new fixture, these, it is preferred to: the axis of described stepped hole and processing
The lengthwise movement direction of cutter is parallel.
Knuckle stepped hole as above processes new fixture, these, it is preferred to: described process tool is boring cutter, and
The knife bar of described boring cutter has bearing group on the axis direction along described stepped hole.
New fixture in this utility model follows location uniform principles, uses plane and two pits location mode, i.e. workpiece utilizes
On ring flange and ring flange, machined fabrication hole (hole, location) location, makes registration reasonable, it is to avoid owing to location is forbidden to lead
The generation of the situation of scrapping of the processing workpiece caused.
Accompanying drawing explanation
Fig. 1 prior art fixture process and assemble schematic diagram；
Fig. 2 is this utility model new chuck body schematic diagram；
Fig. 3 is this utility model slewing journal structure schematic diagram；
Fig. 4 is this utility model fixture schematic diagram；
Fig. 5 is that this utility model assembles schematic diagram；With
Fig. 6 is this utility model machining sketch chart.
Reference: 1 knuckle, 2 axle journals, 3 ring flanges, 4 stepped holes, 5 flange faces, 6 holes, location, 11 bases, 12 location
Face, 13 location trepannings, 14 alignment pins, 15 fixed supporting seats, 16 movable supporting seats, 17 pressing plates, 18 cam pressing blocks, 19 handles,
20 floating briquettings, 21 plate holes, 22 pressing plate bearing pins, 23 boring cutters, 24 knife bars, 25 bearing group, positioning sleeve on 31,32 times positioning sleeves.
Detailed description of the invention
As Fig. 2 is to shown in 6, and this utility model provides a kind of knuckle stepped hole to process new fixture, and described knuckle 1 includes
Axle journal 2, ring flange 3 and two stepped holes 4 coaxial and spaced apart, described axle journal 2 is positioned at the front of described ring flange 3, institute
State stepped hole 4 and be positioned at the reverse side of described ring flange 3, wherein: described new fixture includes base 11 and locating surface 12, described locating surface
12 have: the location trepanning 13 being connected with described axle journal 2, and two protruding alignment pins 14；Described ring flange 3 has
Have: with the flange face 5 that described locating surface 12 contacts location fit；And the location of the pin-and-hole location fit with described alignment pin 14
Hole 6.
New fixture in this utility model follows location uniform principles, uses plane and two pits location mode, i.e. workpiece utilizes
On ring flange and ring flange, machined fabrication hole (hole, location) location, makes registration reasonable, it is to avoid owing to location is forbidden to lead
The generation of the situation of scrapping of the processing workpiece caused.
As preferred version of the present utility model, two described alignment pins 14 are along the diameter both sides cloth of described location trepanning 13
Put.Form two good finger settings.
As it is shown on figure 3, as preferred technical scheme, described flange face 5 is protruding table top.
As a preferred embodiment of the present utility model, described base 11 also has hold down gag, and described compression
Device includes: lay respectively at fixed supporting seat 15 and the movable supporting seat 16 of described locating surface 12 both sides；And pressing plate 17, described
Pressing plate 17 is connected across described locating surface 12 and with described fixed supporting seat 15 and described movable supporting seat 16, and described pressing plate 17
Lean with the reverse side of described ring flange 3 and contact.This hold down gag is after completing plane and two pits location, across locating surface 12 to method
Rule dish 3 is formed and compresses and fixing, it is ensured that the stability in the course of processing.
As improving further, as shown in Figure 4, the fixing end of described pressing plate 17 is with described fixed supporting seat 15 hinge even
Connecing, described movable supporting seat 16 has cam pressing block 18, and described cam pressing block 18 offsets with the movable end of described pressing plate 17
It is abutted against tactile, fixes described pressing plate 17 with the most described movable supporting seat 16.This attachment structure is simple, and by cam pressing block 18
The diverse location clamping platen of cam rotation or unclamp pressing plate, it is achieved pressing plate the assembling of ring flange (knuckle) is compressed and
Unloading is unclamped.
As further improving, described movable supporting seat 16 also has handle 19, and described handle 19 drives described cam
Compact heap 18.Convenient and lightly driving cam pressing block the rotation of this structure, and manual compression and the mode of operation unclamped are provided.
As further improving, also there is in the middle of described pressing plate 17 the floating briquetting that the most described pressing plate is flexibly connected
20, described floating briquetting 20 leans with the reverse side of described ring flange 3 and contacts.Realize ring flange 3 is pressed by floating briquetting 20
Being adjusted flexibly with good fit time tight, and reduce and add cutter in man-hour fixture and workpiece (knuckle) are impacted.The most preferred
Technical scheme, has in the middle of described pressing plate 17: plate hole 21, and is arranged on the pressing plate bearing pin 22 in described plate hole 21, and
Described floating briquetting 20 the most described pressing plate bearing pin 22 is rotationally connected.Flexible and easy structure is provided, it is achieved be fixed and clamped and
Add the reliable and stable of man-hour.
Preferably technical scheme adds clamping device, after workpiece is located, utilizes cam clamping press plate fast-holding, changes
Become the former phenomenon without clamping device；Eliminate former fixture adding the upper and lower positioning sleeve location relying on fixture man-hour and determining
The position set fixture positioning sleeve that causes than the least 0.03mm of minima of king pin hole dimension ф 34+0.03mm of excircle dimension with
Gap that inner hole of workpiece is formed and mutually runout, the problem of positioning precision difference.Thus improve clamping efficiency and product quality.
As embodiment of the present utility model, the lengthwise movement direction of the axis of described stepped hole 4 and process tool is (such as figure
The direction of arrow shown in 6) parallel.Realize adding operation and the cutting of the steady rigidity of cutter in man-hour, it is ensured that crudy.
As the improvement of Application Example of the present utility model, as shown in Figure 6, described process tool is boring cutter 23, and institute
The knife bar 24 stating boring cutter 23 has bearing group 25 on the axis direction along described stepped hole, to play the work guiding and supporting
With.
In preferred version of the present utility model, follow location at processing 6700 type knuckle Ф 38 stepped hole operation fixtures
Uniform principles, uses plane and two pits location mode during design, workpiece utilizes the machined work of preamble on square flange face and this face
Skill hole positions, and makes registration reasonable, after workpiece is in place, utilizes cam clamping press plate fast-holding, changes former nothing folder
Tight state, and use bearing group as the guiding of machine folder boring cutter bar and support, make that cutting is brisk, rigidity is sufficient, position is unique, keep away
Exempt from the inaccurate generation with processing shake pendulum phenomenon in workpiece location.
Should be appreciated that this utility model scope of the claimed is not limited to non-limiting embodiments, it should be understood that non-limiting reality
Scheme of executing illustrates as just example.The protection domain of the essence that the application is to be required more is embodied in independent claims
The scope provided, and its dependent claims.
Claims (10)
1. knuckle stepped hole processes a new fixture, and described knuckle includes that axle journal, ring flange and two are coaxial and interval is divided
The stepped hole of cloth, described axle journal is positioned at the front of described ring flange, and described stepped hole is positioned at the reverse side of described ring flange, its feature
It is:
Described new fixture includes that base and locating surface, described locating surface have: the location trepanning being connected with described journal engagement, with
And two protruding alignment pins；
Described ring flange has: with the flange face of described location plane-plane contact location fit；And it is fixed with the pin-and-hole of described alignment pin
The hole, location that position coordinates.
2. knuckle stepped hole as claimed in claim 1 processes new fixture, it is characterised in that: two described alignment pins are along described
The diameter both sides of location trepanning are arranged.
3. knuckle stepped hole as claimed in claim 2 processes new fixture, it is characterised in that: described flange face is protruding platform
Face.
4. knuckle stepped hole as claimed in claim 3 processes new fixture, it is characterised in that: also there is on described base compression
Device, and described hold down gag includes:
Lay respectively at fixed supporting seat and the movable supporting seat of described locating surface both sides；
Pressing plate, described pressing plate is connected across described locating surface and with described fixed supporting seat and described movable supporting seat, and described
Pressing plate leans with the reverse side of described ring flange and contacts.
5. knuckle stepped hole as claimed in claim 4 processes new fixture, it is characterised in that: the fixing end of described pressing plate and institute
Stating fixed supporting seat chain connection, described movable supporting seat has cam pressing block, described cam pressing block and described pressing plate
Movable end leans contact, fixes described pressing plate with the most described movable supporting seat.
6. knuckle stepped hole as claimed in claim 5 processes new fixture, it is characterised in that: described movable supporting seat also has
Handle, cam pressing block described in described handle drives.
7. knuckle stepped hole as claimed in claim 6 processes new fixture, it is characterised in that: also there is in the middle of described pressing plate phase
The floating briquetting being flexibly connected described pressing plate, described floating briquetting leans with the reverse side of described ring flange and contacts.
8. knuckle stepped hole as claimed in claim 7 processes new fixture, it is characterised in that: have in the middle of described pressing plate: pressure
Plate hole, and the pressing plate bearing pin being arranged in described plate hole, and described floating briquetting the most described pressing plate bearing pin is rotationally connected.
9. knuckle stepped hole as claimed in claim 8 processes new fixture, it is characterised in that: the axis of described stepped hole with add
The lengthwise movement direction of work cutter is parallel.
10. knuckle stepped hole as claimed in claim 9 processes new fixture, it is characterised in that: described process tool is boring cutter,
And the knife bar of described boring cutter has bearing group on the axis direction along described stepped hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620677474.4U CN205703377U (en) | 2016-06-29 | 2016-06-29 | Knuckle stepped hole processes new fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620677474.4U CN205703377U (en) | 2016-06-29 | 2016-06-29 | Knuckle stepped hole processes new fixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205703377U true CN205703377U (en) | 2016-11-23 |
Family
ID=57318341
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620677474.4U Expired - Fee Related CN205703377U (en) | 2016-06-29 | 2016-06-29 | Knuckle stepped hole processes new fixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205703377U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107877225A (en) * | 2017-12-15 | 2018-04-06 | 浙江青霄科技股份有限公司 | Special pneumatic fixture |
| CN108673210A (en) * | 2018-08-07 | 2018-10-19 | 芜湖先力自动化设备有限公司 | A kind of knuckle numerically controlled lathe hydraulically operated fixture and its application method |
| CN110842597A (en) * | 2019-10-16 | 2020-02-28 | 湖北三环锻造有限公司 | Positioning clamp structure of steering knuckle blank and using method thereof |
| CN112605472A (en) * | 2020-12-04 | 2021-04-06 | 安徽江淮汽车集团股份有限公司 | Deburring device |
| CN113334287A (en) * | 2021-08-09 | 2021-09-03 | 徐州艾力驰汽车配件有限公司 | Fixing clamp for detecting automobile front steering knuckle |
-
2016
- 2016-06-29 CN CN201620677474.4U patent/CN205703377U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107877225A (en) * | 2017-12-15 | 2018-04-06 | 浙江青霄科技股份有限公司 | Special pneumatic fixture |
| CN108673210A (en) * | 2018-08-07 | 2018-10-19 | 芜湖先力自动化设备有限公司 | A kind of knuckle numerically controlled lathe hydraulically operated fixture and its application method |
| CN110842597A (en) * | 2019-10-16 | 2020-02-28 | 湖北三环锻造有限公司 | Positioning clamp structure of steering knuckle blank and using method thereof |
| CN112605472A (en) * | 2020-12-04 | 2021-04-06 | 安徽江淮汽车集团股份有限公司 | Deburring device |
| CN112605472B (en) * | 2020-12-04 | 2023-08-22 | 安徽江淮汽车集团股份有限公司 | Deburring device |
| CN113334287A (en) * | 2021-08-09 | 2021-09-03 | 徐州艾力驰汽车配件有限公司 | Fixing clamp for detecting automobile front steering knuckle |
| CN113334287B (en) * | 2021-08-09 | 2021-10-26 | 徐州艾力驰汽车配件有限公司 | Fixing clamp for detecting automobile front steering knuckle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 230601 Anhui Province, Hefei City Industrial Park, the Peach Blossom Road No. 669 Patentee after: Anhui Jianghuai Automobile Group Limited by Share Ltd Address before: 230601 Anhui Province, Hefei City Industrial Park, the Peach Blossom Road No. 669 Patentee before: Anhui Jianghuai Automotive Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161123 Termination date: 20190629 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |