CN210757172U - A dabber anchor clamps for work piece processing of polishing - Google Patents
A dabber anchor clamps for work piece processing of polishing Download PDFInfo
- Publication number
- CN210757172U CN210757172U CN201921684224.3U CN201921684224U CN210757172U CN 210757172 U CN210757172 U CN 210757172U CN 201921684224 U CN201921684224 U CN 201921684224U CN 210757172 U CN210757172 U CN 210757172U
- Authority
- CN
- China
- Prior art keywords
- elastic expansion
- workpiece
- expansion sleeve
- sleeve
- shaft
- 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
Links
- 238000005498 polishing Methods 0.000 title claims abstract description 8
- 238000012545 processing Methods 0.000 title abstract description 10
- 238000007667 floating Methods 0.000 claims description 11
- 238000003825 pressing Methods 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 8
- 238000005516 engineering process Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 abstract description 3
- 230000002349 favourable effect Effects 0.000 abstract description 2
- 238000006073 displacement reaction Methods 0.000 description 5
- 230000003139 buffering effect Effects 0.000 description 4
- 238000003754 machining Methods 0.000 description 3
- 230000003247 decreasing effect Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000007517 polishing process Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Landscapes
- Grinding Of Cylindrical And Plane Surfaces (AREA)
- Constituent Portions Of Griding Lathes, Driving, Sensing And Control (AREA)
Abstract
The utility model discloses a dabber anchor clamps of work piece processing of polishing, including the stamen axle master piece that is equipped with conical shaft, be equipped with the elastic expansion cover of the conical surface taper fit of conical shaft in hole is used for bulldozing the elastic expansion cover, the anterior push away cover of the elastic expansion cover of arranging in are used for the roof pressure the ejector pin of conical shaft is used for the ejection push away the thimble of cover. The dabber anchor clamps of work piece processing of polishing adopt advanced CNC equipment to process, is through tight demonstration and the effective processing technology of going of continuous experimental affirmation, and the clamp that mainly used wheel hub's production was made is tight and is fixed a position, is favorable to improving wheel hub's production efficiency in putting into production, has guaranteed wheel hub's product quality simultaneously, and it is higher to have simple structure, precision.
Description
Technical Field
The utility model relates to an automobile manufacturing part technical field specifically relates to a dabber anchor clamps that is used for automobile parts such as car brake disc and brake hub's work piece to polish processing.
Background
In the production and processing technology of automobile parts such as an automobile brake disc, a brake hub and the like, a clamp is required to be inserted into center holes of the brake disc and the brake hub, and the brake disc and the brake hub are processed and polished by a grinding machine. The requirement on the clamp is high because the requirements on the smoothness and the roundness of the hub are high. The existing clamp made in China in the market cannot achieve the precision due to the process, materials and the like, and the service life of the clamp is short during machining. The imported clamp guarantees the precision, but is expensive and complex in structure.
Disclosure of Invention
An object of the utility model is to provide a dabber anchor clamps that is used for auto parts such as car brake disc and brake hub's work piece to polish processing to solve the problem that provides among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
a mandrel clamp for polishing a workpiece comprises a mandrel main part provided with a conical shaft, an elastic expansion sleeve with an inner hole, a push sleeve, an ejector rod and an ejector pin, wherein the elastic expansion sleeve is in taper fit with a conical surface of the conical shaft and is used for pushing and pressing the elastic expansion sleeve, the push sleeve is arranged at the front part of the elastic expansion sleeve, the ejector rod is used for ejecting the conical shaft, and the ejector pin is used for ejecting the push sleeve; the core shaft main part is fixed on a main shaft on the left side of the grinding machine and is driven to rotate by the main shaft, the elastic expansion sleeve is sleeved at the right end of the core shaft main part from right to left, an inner hole of a workpiece is sleeved outside the elastic expansion sleeve, and the thimble is fixed on a tailstock on the right side of the grinding machine; when a workpiece is clamped, the ejector rod pushes the conical shaft from left to right, the ejector pin pushes the push sleeve from right to left, the push sleeve extrudes the elastic expansion sleeve leftwards, and the elastic expansion sleeve expands outwards under the action of the conical shaft, so that the workpiece is coaxially fixed with the conical shaft through interference fit through the elastic expansion sleeve.
Like this, this product passes through the design of stamen axle master spare, the elastic expansion cover and bulldozes the structure, fixes the work piece interference fit formula that needs insert the centre bore through anchor clamps and polish with car brake disc etc. and has simple structure, the precision is high, long service life, be convenient for characteristics such as technology operation.
In order to keep the axis of the clamped part fixed during the machining and polishing processes, preferably, a plane bearing is arranged in the push sleeve, the ejector pin is abutted against the plane bearing, and the needle tip part of the ejector pin extends into a central hole of the plane bearing.
In order to prevent the plane bearing from shaking in the push sleeve, preferably, an inner snap spring is arranged between the right side of the plane bearing and the inner edge of the right side of the push sleeve, so that the plane bearing is pressed leftwards through the elasticity of the inner snap spring.
In order to ensure the positioning effect of the plane bearing, preferably, a floating positioning block is arranged between the left side of the plane bearing and the inner edge of the left side of the push sleeve.
In order to achieve a good buffering effect, preferably, a buffering gasket is arranged between the planar bearing and the floating positioning block.
On the core shaft clamp, the conical shaft, the elastic expansion sleeve and the push sleeve perform axial reciprocating movement under the sequential action of the ejector rod and the ejector pin, and the inner hole of the workpiece is matched with the outer diameter of the elastic expansion sleeve by a proper gap. The outer diameter of the elastic expansion sleeve is correspondingly increased and decreased in the reciprocating movement of the elastic expansion sleeve, so that the workpiece is tensioned and loosened. The floating positioning block is arranged in the push sleeve, and the buffer gasket and the planar bearing are stabilized by the inner snap spring. The thimble exerts pressure on the plane bearing, makes corresponding part produce axial displacement, and the displacement volume of floating locating piece restriction its displacement volume, and buffer shim decomposes the instantaneous stress that thimble and plane bearing contact produced to the mechanical properties of protection relevant spare part, improves the stability and the durability of core axle.
Compared with the prior art, the beneficial effects of the utility model are that: the dabber anchor clamps of work piece processing of polishing adopt advanced CNC equipment to process, is through tight demonstration and the effective processing technology of going of continuous experimental affirmation, and the clamp that mainly used wheel hub's production was made is tight and is fixed a position, is favorable to improving wheel hub's production efficiency in putting into production, has guaranteed wheel hub's product quality simultaneously, and it is higher to have simple structure, precision.
Drawings
Fig. 1 is a schematic view of an application scenario of an embodiment of the present invention;
FIG. 2 is a schematic view of the overall structure of the embodiment of the present invention;
fig. 3 is a schematic view of an overall cross-sectional structure of an embodiment of the present invention;
fig. 4 is a schematic cross-sectional structure view of the push sleeve according to the embodiment of the present invention;
wherein: 1. the core shaft comprises a core shaft main part, 2 elastic expansion sleeves, 3 push sleeves, 4 ejector rods, 5 tailstocks, 6 main body conical surfaces, 7 expansion sleeve conical surfaces, 8 plane bearings, 9 floating positioning blocks, 10 buffer gaskets, 11 inner clamp springs, 12 ejector pins, 13 grinding machines and 14 workpieces.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-4, a mandrel fixture for polishing a workpiece comprises a mandrel main part 1 provided with a conical shaft, an elastic expansion sleeve 2 with an inner hole and in taper fit with a conical surface of the conical shaft, a push sleeve 3 for pushing the elastic expansion sleeve 2, arranged in front of the elastic expansion sleeve 2, a push rod 4 for pushing the conical shaft, and a thimble 12 for pushing the push sleeve 3; the core shaft main part 1 is fixed on a main shaft on the left side of a grinding machine 13 and is driven to rotate by the main shaft, the elastic expansion sleeve 2 is sleeved at the right end of the core shaft main part 1 from right to left, an inner hole of a workpiece 14 is sleeved outside the elastic expansion sleeve 2, and the thimble 12 is fixed on a tailstock 5 on the right side of the grinding machine 13; when the workpiece 14 is clamped, the ejector rod 4 pushes the conical shaft from left to right, the ejector pin 12 pushes the push sleeve 3 from right to left, the push sleeve 3 pushes the elastic expansion sleeve 2 leftwards, and the elastic expansion sleeve 2 expands outwards under the action of the conical shaft, so that the workpiece 14 is coaxially fixed with the conical shaft through interference fit through the elastic expansion sleeve 2.
Like this, this product passes through the design of pistil main part 1, the elasticity cover 2 that expands and bulldozes the structure, fixes 14 interference fit formulas of work pieces that need insert the centre bore through anchor clamps and polish such as car brake disc, has simple structure, the precision is high, long service life, the technological operation of being convenient for characteristics such as.
In order to keep the axis of the clamped part fixed during the machining and polishing process, a plane bearing 8 is arranged in the push sleeve 3, the ejector pin 12 is propped against the plane bearing 8, and the pin tip part of the ejector pin extends into a central hole of the plane bearing 8.
In order to prevent the plane bearing 8 from shaking in the push sleeve 3, an inner snap spring 11 is arranged between the right side of the plane bearing 8 and the inner edge of the right side of the push sleeve 3, so that the plane bearing 8 is pressed leftwards through the elasticity of the inner snap spring 11.
In order to ensure the positioning effect of the plane bearing 8, a floating positioning block 9 is arranged between the left side of the plane bearing 8 and the left inner edge of the push sleeve 3.
In order to achieve a good buffering effect, a buffering gasket 10 is arranged between the plane bearing 8 and the floating positioning block 9.
On the core shaft clamp, the conical shaft, the elastic expansion sleeve 2 and the push sleeve 3 do axial reciprocating movement under the sequential action of the ejector rod 4 and the ejector pin 12, and the inner hole of the workpiece 14 is matched with the outer diameter of the elastic expansion sleeve 2 through a proper gap. The outer diameter of the elastic expansion sleeve 2 is correspondingly increased and decreased in the reciprocating movement thereof, thereby tightening and loosening the workpiece 14. The floating positioning block 9, the buffer gasket 10 and the plane bearing 8 are arranged in the push sleeve 3 and are stabilized by the inner snap spring 11. The thimble 12 exerts pressure on the plane bearing 8, so that the corresponding part generates axial displacement, the floating positioning block 9 limits the displacement, and the buffer gasket 10 decomposes the instantaneous stress generated by the contact of the thimble 12 and the plane bearing 8, thereby protecting the mechanical performance of the related parts and improving the stability and durability of the core shaft.
Through the experiment, utilize the embodiment of the utility model provides a wheel hub each item technical index who produces on the grinding machine has all reached the higher level of the same trade. The roundness of the product is less than 0.005mm, the coaxiality is less than 0.02mm, and the end face runout is less than 0.003.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. A mandrel clamp for polishing a workpiece is characterized by comprising a core shaft main part provided with a conical shaft, an elastic expansion sleeve with an inner hole, a push sleeve, an ejector rod and an ejector pin, wherein the elastic expansion sleeve is in taper fit with a conical surface of the conical shaft and is used for pushing and pressing the elastic expansion sleeve; the core shaft main part is fixed on a main shaft on the left side of the grinding machine and is driven to rotate by the main shaft, the elastic expansion sleeve is sleeved at the right end of the core shaft main part from right to left, an inner hole of a workpiece is sleeved outside the elastic expansion sleeve, and the thimble is fixed on a tailstock on the right side of the grinding machine; when a workpiece is clamped, the ejector rod pushes the conical shaft from left to right, the ejector pin pushes the push sleeve from right to left, the push sleeve extrudes the elastic expansion sleeve leftwards, and the elastic expansion sleeve expands outwards under the action of the conical shaft, so that the workpiece is coaxially fixed with the conical shaft through interference fit through the elastic expansion sleeve.
2. The workpiece sharpening mandrel fixture of claim 1, wherein said push sleeve has a flat bearing disposed therein, said ejector pin is supported by said flat bearing, and a tip portion of said ejector pin extends into a central hole of said flat bearing.
3. The mandrel clamp for grinding a workpiece according to claim 2, wherein an inner snap spring is arranged between the right side of the plane bearing and the inner edge of the right side of the push sleeve, so that the plane bearing is pressed leftwards by the elasticity of the inner snap spring.
4. The workpiece grinding mandrel fixture of claim 3, wherein a floating positioning block is arranged between the left side of the plane bearing and the inner edge of the left side of the push sleeve.
5. The workpiece grinding spindle clamp of claim 4, wherein a cushion pad is disposed between the flat bearing and the floating positioning block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921684224.3U CN210757172U (en) | 2019-10-10 | 2019-10-10 | A dabber anchor clamps for work piece processing of polishing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921684224.3U CN210757172U (en) | 2019-10-10 | 2019-10-10 | A dabber anchor clamps for work piece processing of polishing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210757172U true CN210757172U (en) | 2020-06-16 |
Family
ID=71066178
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921684224.3U Expired - Fee Related CN210757172U (en) | 2019-10-10 | 2019-10-10 | A dabber anchor clamps for work piece processing of polishing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210757172U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114279701A (en) * | 2021-12-31 | 2022-04-05 | 连云港斯克斯机器人科技有限公司 | Device for detecting fluency of ball screw pair |
-
2019
- 2019-10-10 CN CN201921684224.3U patent/CN210757172U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114279701A (en) * | 2021-12-31 | 2022-04-05 | 连云港斯克斯机器人科技有限公司 | Device for detecting fluency of ball screw pair |
| CN114279701B (en) * | 2021-12-31 | 2024-05-31 | 连云港斯克斯机器人科技有限公司 | Ball screw pair fluency detection device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105798711A (en) | Grinding device and process for outer ring of bearing | |
| CN104924137A (en) | Clamp assembly for finish machining of thin-wall ring columnar part and machining method | |
| CN100354067C (en) | Method for manufacturing drum shaped roller | |
| CN210757172U (en) | A dabber anchor clamps for work piece processing of polishing | |
| CN210938276U (en) | Centering shaft for supporting bearing inner ring during super-finishing | |
| CN204843658U (en) | Be used for accurately machined anchor clamps subassembly of thin wall hooped column shape part | |
| CN202292414U (en) | Spherical base plane grinding machine chuck clamping device with screw thread | |
| CN210360774U (en) | Grinding head for grinding and polishing equipment | |
| CN217167830U (en) | Clutch assembly's anchor clamps and burring device | |
| CN210476536U (en) | Integrated polishing tile | |
| CN205325418U (en) | Super smart quick -witted supporting mechanism | |
| CN204450203U (en) | A kind of grinding fastener for two half bear inner ring grooved railway of bearing | |
| JP5852596B2 (en) | Grinding apparatus and grinding method | |
| CN208099369U (en) | A kind of more curved surface ball centers for Crankshaft Machining | |
| CN201881242U (en) | Ball head grinding device | |
| CN217194454U (en) | Special finishing grinder for spherical surface machining of plunger | |
| CN205799122U (en) | Precision rotating kinematic pair | |
| CN111515774A (en) | Special clamp for cylindrical grinding machine | |
| CN205363591U (en) | Super smart machine wearing and tearing monitoring and compensating system | |
| CN220660302U (en) | High-precision numerical control vertical composite grinding machine for alloy manufacturing | |
| CN220372993U (en) | Machining grinder center of main shaft | |
| CN205325467U (en) | Super smart quick -witted drive mechanism | |
| CN203557263U (en) | Clamp device provided with inner thimbles and used for polishing shaft part without center hole | |
| CN211277518U (en) | Movable disc apron positive and negative finish machining frock | |
| CN210678168U (en) | Spline shaft fork hydraulic automatic clamp for efficient gear grinding machine tool |
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: 20200616 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |