CN215615191U - Auxiliary machining jig for automobile brake disc - Google Patents
Auxiliary machining jig for automobile brake disc Download PDFInfo
- Publication number
- CN215615191U CN215615191U CN202121488018.2U CN202121488018U CN215615191U CN 215615191 U CN215615191 U CN 215615191U CN 202121488018 U CN202121488018 U CN 202121488018U CN 215615191 U CN215615191 U CN 215615191U
- Authority
- CN
- China
- Prior art keywords
- locking
- brake disc
- supporting
- radial
- automobile brake
- 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.)
- Active
Links
Images
Abstract
The utility model discloses an auxiliary machining jig for an automobile brake disc, which comprises a chuck main body, wherein at least three radial sliding blocks which are uniformly distributed at intervals in the circumferential direction and have radial displacement are arranged on the chuck main body, a locking block and a supporting column are arranged on each radial sliding block, and each locking block comprises a conical matching part which is embedded into an annular groove. The clamping and locking structure aiming at the annular groove is adopted, embedded clamping and locking can be realized through the conical matching part, a pressing and locking function matched with the supporting column can be provided, the locking stability is improved, and the condition that a workpiece is separated from a jig in the machining process is avoided. The radial sliding blocks are used for carrying the locking blocks and the supporting columns, the requirements on relative positions of the locking blocks and the supporting columns are met, the locking blocks and the supporting columns are matched to reliably lock and fix a workpiece, the position accuracy is accurate, and the jig cost is reduced. Possess detachable complex locking piece and support column, satisfy different specification products and carry on the demand, tool life and stability in use are ensured.
Description
Technical Field
The utility model relates to an auxiliary machining jig for an automobile brake disc, and belongs to the technical field of machining jigs.
Background
Turning refers to lathe machining as part of machining. Lathe machining mainly uses a lathe tool to perform turning machining on a rotating workpiece. Lathes are used primarily for machining shafts, discs, sleeves and other workpieces having a surface of revolution, and are the most widely used type of machine tool in machine manufacturing and repair plants.
When turning operation is carried out, the workpiece needs to be effectively and fixedly loaded, so that the clamp can be adopted, and the clamp is used for stably clamping the workpiece, so that the workpiece is ensured to stably run in the turning displacement process.
At present, an automobile brake disc exists, which comprises a shaft pile and an annular disc body connected with the shaft pile, wherein an annular groove is formed in the peripheral wall surface of the annular disc body.
When the machining operation, need carry out the clamping to this automobile brake disc through anchor clamps, traditional anchor clamps adopt the radial clamp splice of a plurality of to carry out the clamping to the periphery wall of cyclic annular lamellar body, and the periphery wall has certain tolerance, has circularity and axial wall gradient tolerance, therefore clamping stability is relatively poor, appears the axial degree of beating deviation of work piece easily in the course of working, and the serious person appears the condition emergence that the product breaks away from the tool even.
Disclosure of Invention
The utility model aims to solve the defects of the prior art and provides an auxiliary machining jig for an automobile brake disc, aiming at the problem that the clamping and locking stability of the traditional peripheral wall is poor.
In order to achieve the purpose, the technical scheme adopted by the utility model is as follows:
the machining auxiliary jig for the automobile brake disc comprises a shaft pile and an annular disc body connected with the shaft pile, wherein an annular groove is formed in the outer peripheral wall surface of the annular disc body,
the auxiliary machining jig comprises a chuck main body, wherein at least three radial sliding blocks with radial displacement are uniformly distributed on the chuck main body in the circumferential direction at intervals,
the radial sliding block is provided with a locking block matched with the annular groove and at least one supporting column for supporting the annular disc body,
the capture block includes a tapered mating portion for insertion into the annular groove.
Preferably, the position locking block and the supporting column are detachably arranged on the radial sliding block respectively.
Preferably, a sliding cavity groove for slidably matching the lock position block is formed in the radial sliding block, and a lock bolt mechanism is arranged between the cavity wall of the sliding cavity groove and the lock position block.
Preferably, the sliding fit cavity groove comprises a sliding fit groove chamber and a radial support protrusion, and the locking block is provided with a sliding fit base matched with the sliding fit groove chamber and a matching concave part matched with the radial support protrusion.
Preferably, the radial sliding block is provided with a pin hole for carrying the supporting column, and the supporting column is circumferentially limited and arranged in the pin hole.
Preferably, the supporting column is a supporting column with a polygonal section.
Preferably, the support surface of the support column is a high-polished surface.
Preferably, the support surface of the support column is provided with a chamfered outer edge.
Preferably, the chuck body is a hydraulic chuck body.
The utility model has the following beneficial effects:
1. the clamping and locking structure aiming at the annular groove is adopted, embedded clamping and locking can be realized through the conical matching part, a pressing and locking function matched with the supporting column can be provided, the locking stability is improved, and the condition that a workpiece is separated from a jig in the machining process is avoided.
2. The radial sliding blocks are used for carrying the locking blocks and the supporting columns, the requirements on relative positions of the locking blocks and the supporting columns are met, the locking blocks and the supporting columns are matched to reliably lock and fix a workpiece, the position accuracy is accurate, and the jig cost is reduced.
3. Possess detachable complex locking piece and support column, satisfy different specification products and carry on the demand, use comparatively in a flexible way.
4. The locking block and the support column are convenient to assemble, disassemble and replace, the position precision and the structural strength are excellent, and the service life and the service stability of the jig are guaranteed.
Drawings
Other features, objects and advantages of the present application will become more apparent upon reading of the following detailed description of non-limiting embodiments thereof, made with reference to the accompanying drawings in which:
fig. 1 is a schematic structural view of the machining auxiliary fixture for the automobile brake disc of the utility model.
Fig. 2 is a schematic structural view of a use state of the machining auxiliary fixture for the automobile brake disc of the utility model.
Fig. 3 is a schematic sectional structural view of the use state of the machining auxiliary fixture for the automobile brake disc of the utility model.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The present application will be described in further detail with reference to the following drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the relevant invention and are not limiting of the utility model.
It should be noted that, for convenience of description, only the relevant portions of the related inventions are shown in the drawings. It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.
The utility model provides an auxiliary machining jig for an automobile brake disc, as shown in fig. 1 to 3, an automobile brake disc 10 comprises a shaft pile 11 and an annular disc body 12 connected with the shaft pile 11, and an annular groove 13 is formed in the peripheral wall surface of the annular disc body 12.
The traditional clamp adopts the clamping jaw sliding block to clamp the peripheral wall surface of the annular disk body 12, roundness tolerance and wall surface gradient difference exist on the peripheral wall surface, and the clamping stability can be greatly influenced.
In the present case, as shown in fig. 1 to 3, the auxiliary machining jig includes a chuck body 1, at least three radial sliders 2 having radial displacement and circumferentially distributed at uniform intervals are disposed on the chuck body 1, and a locking block 3 for being matched with the annular groove 13 and at least one supporting column 4 for supporting the annular disk body are disposed on the radial slider 2.
The capture block 3 includes a tapered mating portion 5 for fitting into the annular groove.
The specific implementation process and principle description are as follows:
the conical matching part 5 of the locking block 3 is adopted to realize embedded locking matching with the annular groove, radial clamping locking can be realized through the conical matching part 5, downward pressure is generated on the annular groove by the conical matching part 5, the annular disc body 12 is forced to be pressed on the supporting column 4, and the locking stability requirement is met.
In addition, when the conical matching parts 5 are cooperatively locked, certain matching tolerance can be eliminated, so that the conical matching parts 5 and the annular groove 13 are stably and reliably locked relatively. The axial runout degree in the machining process is effectively reduced, and the phenomenon that the automobile brake disc 10 is separated from the auxiliary jig in the machining process is avoided.
More closely, the tapered fitting portion 5 includes a top inclined edge 51 and a bottom inclined edge 52, and a gap 9 exists between a tapered end formed by the top inclined edge 51 and the bottom inclined edge 52 and an inner wall of the annular groove 13.
During the radial clamping displacement, the tapered end of the tapered fitting portion 5 will be inserted into the annular groove 13, abutting against the top and bottom edges of the annular groove 13 via the top and bottom beveled edges 51 and 52, respectively.
During engagement of beveled bottom edge 52 with annular recess 13, beveled bottom edge 52 exerts a downward force on annular recess 13 that urges the bottom wall of annular disc 12 into tight engagement against support post 4.
The conical matching part 5 is in surface contact with the annular groove 13, so that expansion deformation of the annular groove 13 can be caused to a certain extent in the radial compression joint process, so that the requirement for tolerance adjustment to a certain extent is met, and the requirement for stable clamping and locking of products within a certain tolerance range is met.
It should be noted that, in the present application, the supporting column 4 is located on the radial slider 2, and it is adjacent to the tapered matching portion 5, and it has a very reliable and stable matching and supporting function, and simultaneously, the carrying difficulty and carrying cost of the supporting column 4 are reduced.
In a specific embodiment, the locking block 3 and the supporting column 4 are detachably arranged on the radial sliding block respectively.
Specifically, the automobile brake disc 10 has thickness difference and specification difference of the annular groove 13, and the carrying and locking requirements of automobile brake discs 10 with different specifications can be met by replacing the locking block 3 and the supporting column 4.
In one embodiment, the radial slide block 2 is provided with a sliding cavity groove 6 for slidably matching with the locking block 3, and a locking bolt mechanism 7 is arranged between the cavity wall of the sliding cavity groove and the locking block.
Namely, the detachable replacement requirement of the locking block 3 can be met through the sliding matching cavity groove 6, the locking and releasing operation is realized through the lock bolt mechanism 7, and the carrying position precision of the locking block 3 is ensured through sliding matching.
In one embodiment, the sliding cavity groove 6 includes a sliding groove chamber 61 and a radial supporting protrusion 62, and the capture block 3 is provided with a sliding base 31 matching with the sliding groove chamber and a matching concave part 32 matching with the radial supporting protrusion.
Specifically, the sliding groove chamber 61 is matched with the sliding base 31, so that the carrying precision of the locking block 3 can be met, the radial supporting protrusion 62 can be matched with the matching concave part 32 to provide a radial supporting force for the locking block 3, the compression joint deformation of the locking block 3 is effectively prevented, the position precision of the conical matching part 5 is ensured, and the effective service life of the locking block 3 is prolonged.
In a specific embodiment, the radial sliding block 2 is provided with a pin hole 8 for carrying a support column, and the support column is circumferentially limited and arranged in the pin hole. The support column is a support column with a polygonal section.
Specifically, the support stability can be improved by the support columns 4 which are circumferentially limited, the support columns 4 are effectively prevented from rotating due to machining vibration, the carrying support stability is improved, and meanwhile the situation that the support columns rotate to damage workpieces is prevented.
In one embodiment, the support surface of the support column 4 is a highly polished surface. The supporting surface of the supporting column is provided with a chamfer outer edge.
Specifically, the design of the high polished surface and the outer edge of the chamfer of the supporting column 4 can reduce the contact abrasion of the bottom surface of the annular disc body 12, thereby meeting the product protection requirement.
In one particular embodiment, the chuck body 1 is a hydraulic chuck body. The radial opening and closing driving of the radial sliding block 2 is realized by adopting the hydraulic chuck main body, and the hydraulic chuck has the advantages of simple structure, convenience in driving and the like.
Through the above description, the machining auxiliary jig for the automobile brake disc disclosed by the utility model has the advantages that the clamping and locking structure aiming at the annular groove is adopted, the embedded clamping and locking can be realized through the conical matching part, the pressing and locking function matched with the supporting column can be provided, the locking stability is improved, and the condition that a workpiece is separated from the jig in the machining process is avoided.
The radial sliding blocks are used for carrying the locking blocks and the supporting columns, the requirements on relative positions of the locking blocks and the supporting columns are met, the locking blocks and the supporting columns are matched to reliably lock and fix a workpiece, the position accuracy is accurate, and the jig cost is reduced.
Possess detachable complex locking piece and support column, satisfy different specification products and carry on the demand, use comparatively in a flexible way. The locking block and the support column are convenient to assemble, disassemble and replace, the position precision and the structural strength are excellent, and the service life and the service stability of the jig are guaranteed.
The terms "comprises," "comprising," or any other similar term are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
So far, the technical solutions of the present invention have been described in connection with the preferred embodiments shown in the drawings, but it is easily understood by those skilled in the art that the scope of the present invention is obviously not limited to these specific embodiments. Equivalent changes or substitutions of related technical features can be made by those skilled in the art without departing from the principle of the utility model, and the technical scheme after the changes or substitutions can fall into the protection scope of the utility model.
Claims (9)
1. Tool is assisted in machining of car brake disc, car brake disc include the axle stake and with the cyclic annular disk body that the axle stake links to each other, be equipped with annular groove, its characterized in that on the periphery wall face of cyclic annular disk body:
the auxiliary machining jig comprises a chuck main body, wherein at least three radial sliding blocks with radial displacement are uniformly distributed on the chuck main body in the circumferential direction at intervals,
the radial sliding block is provided with a locking block matched with the annular groove and at least one supporting column for supporting the annular disc body,
the capture block includes a tapered mating portion for insertion into the annular groove.
2. The auxiliary machining jig for the automobile brake disc of claim 1, characterized in that:
the locking block and the supporting column are respectively detachably arranged on the radial sliding block.
3. The auxiliary machining jig for the automobile brake disc of claim 2, characterized in that:
the radial sliding block is provided with a sliding cavity groove for sliding and connecting the locking block, and a lock bolt mechanism is arranged between the cavity wall of the sliding cavity groove and the locking block.
4. The auxiliary machining jig for the automobile brake disc of claim 3, wherein:
the sliding matching cavity groove comprises a sliding matching groove chamber and a radial supporting bulge, and the locking block is provided with a sliding matching base matched with the sliding matching groove chamber and a matching concave part matched with the radial supporting bulge.
5. The auxiliary machining jig for the automobile brake disc of claim 2, characterized in that:
the radial sliding blocks are provided with pin holes for carrying the supporting columns, and the supporting columns are circumferentially and limitedly arranged in the pin holes.
6. The auxiliary machining jig for the automobile brake disc of claim 5, wherein:
the support column is a support column with a polygonal section.
7. The auxiliary machining jig for the automobile brake disc of any one of claims 1 to 6, characterized in that:
the supporting surface of the supporting column is a high polished mirror surface.
8. The auxiliary machining jig for the automobile brake disc of claim 7, wherein:
the supporting surface of the supporting column is provided with a chamfer outer edge.
9. The auxiliary machining jig for the automobile brake disc of claim 1, characterized in that:
the chuck main body is a hydraulic chuck main body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121488018.2U CN215615191U (en) | 2021-07-01 | 2021-07-01 | Auxiliary machining jig for automobile brake disc |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121488018.2U CN215615191U (en) | 2021-07-01 | 2021-07-01 | Auxiliary machining jig for automobile brake disc |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215615191U true CN215615191U (en) | 2022-01-25 |
Family
ID=79947360
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121488018.2U Active CN215615191U (en) | 2021-07-01 | 2021-07-01 | Auxiliary machining jig for automobile brake disc |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215615191U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114833616A (en) * | 2022-06-15 | 2022-08-02 | 一汽解放汽车有限公司 | High-precision clamp for positioning end teeth of movable gear sleeve of differential lock |
-
2021
- 2021-07-01 CN CN202121488018.2U patent/CN215615191U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114833616A (en) * | 2022-06-15 | 2022-08-02 | 一汽解放汽车有限公司 | High-precision clamp for positioning end teeth of movable gear sleeve of differential lock |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102501020B (en) | Method for machining separated type outer ring of small and medium-sized thin-wall crossed cylindrical roller turntable bearing | |
| CN108296986B (en) | Synchronizer ring gear inner ring processing composite clamp | |
| JP5698756B2 (en) | Method for grinding crankshaft main and rod bearings by cylindrical grinding and grinding machine for carrying out the method | |
| CN215615191U (en) | Auxiliary machining jig for automobile brake disc | |
| CN104981306B (en) | Formwork | |
| CN102039546B (en) | Inner diameter chuck device of cylindrical grinding machine and collet chuck component | |
| CN114536063B (en) | Self-centering clamping device and clamping method for numerical control turntable of circular workpiece | |
| CN201483261U (en) | Self-aligning combined fixture | |
| CN111203603B (en) | Interchange clamping device for turbine disc | |
| EP1588868A1 (en) | Wheel bearing unit and method of manufacturing the bearing unit | |
| CA2525920A1 (en) | Mechanically actuated workpiece holder including a plastic collet | |
| CN213164191U (en) | Steel body piston processing location frock | |
| CN211219798U (en) | Clamping fixture for machine tool spindle | |
| CN110524289B (en) | Special clamping fixture for machine tool spindle | |
| CN115007897A (en) | Machining clamp for special-shaped revolving body part and application method | |
| KR101033308B1 (en) | Chuck for tool | |
| CN215615194U (en) | Internal stay formula machine tooling tool of watch case | |
| CN114289749A (en) | Clamp for machining eccentric excircle and clamping method | |
| CN106141233A (en) | A kind of clutch hub turning clamp in automatic gearbox | |
| JP2022535952A (en) | Clamping device for tool holders | |
| CN212664920U (en) | Clamping tool for automobile accessory motor cover | |
| CN218745505U (en) | Elastic jacket for inertia friction welding of drum disc of gas compressor | |
| CN220807014U (en) | Quick-change clamp for machining spiral trajectory of steering gear nut | |
| CN216859130U (en) | Bearing position supporting device for micro-concave roller precision forming | |
| CN218575014U (en) | Clamping device of machine tool |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |