CN203972897U - The frock clamp that a kind of machining crankshafts eccentric shaft is used - Google Patents
The frock clamp that a kind of machining crankshafts eccentric shaft is used Download PDFInfo
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- CN203972897U CN203972897U CN201420471406.3U CN201420471406U CN203972897U CN 203972897 U CN203972897 U CN 203972897U CN 201420471406 U CN201420471406 U CN 201420471406U CN 203972897 U CN203972897 U CN 203972897U
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- chuck
- sleeve
- base
- eccentric shaft
- frock clamp
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Abstract
The frock clamp that the utility model provides a kind of machining crankshafts eccentric shaft to use, comprise base, sleeve, briquetting and chuck, described base both sides have holddown groove, described sleeve is arranged on base, sleeve top is fixed with an end cap, end cap middle part has the opening stretching out for chuck, and a side of the corresponding chuck of end cap has the groove of taper, end cap outside is provided with a location-plate, briquetting is arranged on the holddown groove of base both sides, on briquetting, be provided with offset adjusting bolt, offset adjusting bolt is passed briquetting and is connected with sleeve, chuck is arranged on sleeve inner.The utility model can be followed by the offset adjusting bolt regulating sleeve on briquetting the side-play amount of base central shaft, on end cap, increase by a location-plate positions simultaneously, improve the accuracy of offset, ensure the quality of converted products, adopt in addition elasticity jaw to clamp, clamping is simple, clamps, unclamps the time short, has improved production efficiency.
Description
Technical field
The utility model belongs to technical field of tooling clamps, specifically relates to the frock clamp that a kind of machining crankshafts eccentric shaft is used.
Background technology
Fixture is to add to be used for rapid fastening workpiece man-hour, makes lathe, cutter, workpiece keep the process unit of correct relative position.Frock clamp is indispensable parts in machining, machine tool technology at a high speed, under the drive of efficient, accurate, compound, intelligent, environmental protection future development, clamp technology is just towards high-precision, efficient, module, combination, general, economic future development.At present, in field of machining and machinebuilding technology, crankshaft eccentric shaft is due to bias, existing frock is directly on fixture, to have individual eccentric orfice, aperture is that size is done and stubbornly refused to regulate, in the time making the different workpiece of size model, remodel cumbersome, once want many sleeve clamps for subsequent use and occur wearing and tearing, the bias processing can be unstable, greatly affect crudy, in addition in making eccentric shaft bearing sleeve, the fixture of manufacturing and the axle center of eccentric shaft bearing sleeve are on same axis, like this in installing, just need artificial by fixture axle center and the certain distance of cutter axis deviation, this distance bad grasp in practical operation, clamping after need to measuring by accurate instrument, long-time use after clamping, also disalignment likely, need clamping again, lose time and manpower, production efficiency is lower, increase the cost that dispatches from the factory of part.
Summary of the invention
The purpose of this utility model is for the deficiencies in the prior art, and the frock clamp that provides a kind of machining crankshafts eccentric shaft to use, has offset registration, operation, clamps the advantage of simple and fast.
The technical scheme that the utility model provides is as follows: the frock clamp that a kind of machining crankshafts eccentric shaft is used, comprise base, sleeve, briquetting and chuck, described base both sides have holddown groove, described sleeve is arranged on base, chuck is arranged on sleeve inner, sleeve top is fixed with an end cap, one side of the corresponding chuck of end cap has groove, end cap outside is provided with a location-plate, described location-plate comprises contiguous block and locating piece, contiguous block is bolted on end cap, locating piece makes location-plate form T character form structure perpendicular to contiguous block, described briquetting is arranged on the holddown groove of base both sides, on briquetting, be provided with offset adjusting bolt, offset adjusting bolt is passed briquetting and is connected with sleeve.
Further, described base bottom has passage.
Further, described base front end has the guide table of protrusion.
Further, the bottom of described sleeve is provided with the chute coordinating with the guide table of base.
Further, the bottom of described sleeve extends outward the installing plate that forms a ring-type, and the two side ends of installing plate all has the threaded adjusting mouth coordinating with offset adjusting bolt.
Further, described groove has the inwall of inclination, and groove is greater than the diameter away from chuck one end near the diameter of chuck one end.
Further, described chuck comprises chuck cover, jaw and baffle plate, and jaw is arranged on chuck and puts, and described chuck cover is installed with sleeve is movable, and baffle plate is nested on sleeve lining and with end cap and is connected.
Further, the channel position that described chuck puts corresponding base has and holds mouth.
Further, described chuck cover has wide mouthful and slot, and the wide mouth end of chuck cover is limited in baffle plate.
Further, described jaw is elasticity jaw.
The utility model is installed a briquetting on base, side-play amount by the offset adjusting bolt regulating sleeve on briquetting with base central shaft, on end cap, increase by a location-plate simultaneously and carry out positioning of workpiece, improved the accuracy of offset, ensured the quality of converted products; In addition, adopt elasticity jaw to clamp, on end cap, have the groove of taper, the groove of taper makes jaw in protruding process, tightens up gradually, thereby workpiece is stepped up under the effect of the inwall tilting at groove, strengthen the stability degree of clamping, clamping is simple, clamps, unclamps the time short, has improved production efficiency.
Brief description of the drawings
Accompanying drawing 1 is the cross-sectional view of the frock clamp used of machining crankshafts eccentric shaft described in the utility model;
Accompanying drawing 2 is plan structure schematic diagrames of base shown in accompanying drawing 1;
Accompanying drawing 3 is cross-sectional view of end cap shown in accompanying drawing 1;
Accompanying drawing 4 is cross-sectional view of location-plate shown in accompanying drawing 1;
Accompanying drawing 5 is cross-sectional view of the cover of chuck shown in accompanying drawing 1.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the utility model embodiment, technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiment, in the situation that not conflicting, the feature in embodiment and embodiment in the application can combine mutually, describes below with reference to the accompanying drawings and in conjunction with the embodiments the utility model in detail.
As shown in Figure 1, the frock clamp that a kind of machining crankshafts eccentric shaft is used, be arranged on the eccentric shaft for machining crankshafts on lathe, comprise base 1, sleeve 2, briquetting 3 and chuck 4, described base 1 is installed chuck 4 for carrying, sleeve 2 is arranged on base 1, described chuck 4 is arranged on sleeve 2 inside, briquetting 3 is arranged on the two ends, side of base 1, on briquetting 3, be provided with offset adjusting bolt 31, offset adjusting bolt 31 is passed briquetting 3 and is connected with sleeve 2, position that can regulating sleeve 2 by offset adjusting bolt 31, realize the adjustment of the offset of chuck 4.
Described base 1 is arranged on lathe by a ring flange, and its bottom has the passage 11 passing through for the hydraulic cylinder of lathe, and the hydraulic cylinder of lathe promotes chuck 4 through passage 11 and moves; Base 1 both sides have holddown groove 12, and for briquetting 3 is installed, as shown in Figure 2, described base 1 front end has the guide table 13 of protrusion, for accepting sleeve 2.
Described sleeve 2 is cylindric, in it, there is spatial accommodation 21, be used for holding chuck 4, sleeve 2 is nested in guide table 13, sleeve 2 is provided with chute (scheming not shown) with the junction of guide table 13, and further, the bottom of described sleeve 2 extends outward the installing plate 22 that forms a ring-type, on installing plate 22, have screw socket (scheming not shown), thereby installing plate 22 is arranged on base 1 through screw socket by a bolt; The two side ends of described installing plate 22 all has the threaded adjusting mouth (scheming not shown) coordinating with offset adjusting bolt 31, the side-play amount by offset adjusting bolt 31 regulating sleeves 2 with base 1 central shaft; Sleeve 2 tops have been bolted an end cap 23, end cap 23 is enclosed in chuck 4 in spatial accommodation 21, as shown in Figure 3, described end cap 23 is cylindrical, and the position of the corresponding chuck 4 of end cap 23 has the groove 231 of taper, and groove 231 has the inwall of inclination, and the diameter near chuck 4 one end is greater than the diameter away from chuck 4 one end, this structure makes chuck 4 in protruding process, tightens up gradually, thereby workpiece 5 is stepped up under the effect of the inwall tilting at groove 231; Described end cap 23 outsides are provided with a location-plate 24, as shown in Figure 4, location-plate 24 comprises contiguous block 241 and locating piece 242, contiguous block 241 is bolted on end cap 23, locating piece 242 is perpendicular to contiguous block 241, make location-plate 24 form T character form structure, locating piece 242 is for the bent axle of positioning workpieces 5.
Described briquetting 3 is the side-play amount with base 1 central shaft for regulating sleeve 2, and briquetting 3 is arranged on the holddown groove 12 of base 1 both sides, and is connected with sleeve 2 by offset adjusting bolt 31.
Described chuck 4 is for holding workpiece 5, described chuck 3 comprises chuck cover 41, jaw 42 and baffle plate 43, jaw 42 is arranged on chuck cover 41, described chuck cover 41 is installed with sleeve 2 is movable, making chuck overlap 41 can be in the interior slip of sleeve 2, on chuck cover 41, passage 11 positions of corresponding base 1 have and hold mouth 44, the hydraulic cylinder of lathe holds and is holding mouthful 44 promotion chuck covers 41 in the interior slip of sleeve 2, as shown in Figure 5, described chuck cover 41 has wide mouthful 411 and slot 412, described baffle plate 43 is nested on sleeve 2 inwalls and with end cap 23 and is connected, wide mouthful of 411 ends of chuck cover 41 are limited in baffle plate 43, baffle plate 43 plays position-limiting action to chuck cover 41, prevent that chuck cover 41 from coming off, jaw 42 is elasticity jaw or scroll chuck, wherein preferred elastomeric jaw, when use, hold mouthful 44 promotion chuck covers 41 to front slide at the promotion lower push-rod of hydraulic cylinder, jaw 42 stretches out forward under the effect of the inwall tilting at groove 231 and tightens up gradually, thereby workpiece 5 is stepped up,
When use, choose the model of jaw 42 according to the diameter of workpiece 5, after jaw 42 installs, put 1 workpiece well on location-plate 24, primer fluid compresses switch, holding on mouth 44 at the promotion lower push-rod apical grafting of main axis of hydraulic cylinder, promote chuck cover 41 in the interior slip of sleeve 2, jaw 42 stretches out forward under the effect of the inwall tilting at groove 231 and tightens up gradually, thereby workpiece 5 is stepped up, and both can process switch and process, after processing, restart hydraulic selector, jaw 42 moves backward and unclamps, and changes unprocessed workpiece, so loops processing.
The utility model is installed a briquetting on base, side-play amount by the offset adjusting bolt regulating sleeve on briquetting with base central shaft, on end cap, increase by a location-plate simultaneously and carry out positioning of workpiece, improve the accuracy of offset, ensure the quality of converted products, in addition, adopt elasticity jaw to clamp, on end cap, have the groove of taper, the groove of taper makes jaw in protruding process, under the effect of the inwall tilting at groove, tighten up gradually, thereby workpiece is stepped up, strengthen the stability degree of clamping, clamping is simple, clamp, the time of unclamping is short, improve production efficiency.
The foregoing is only embodiment of the present utility model; not thereby limit the scope of the claims of the present utility model; every equivalent structure or conversion of equivalent flow process that utilizes the utility model description to do; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present utility model.
Claims (10)
1. the frock clamp that machining crankshafts eccentric shaft is used, comprise base, sleeve, briquetting and chuck, it is characterized in that: described base both sides have holddown groove, described sleeve is arranged on base, chuck is arranged on sleeve inner, sleeve top is fixed with an end cap, one side of the corresponding chuck of end cap has groove, end cap outside is provided with a location-plate, described location-plate comprises contiguous block and locating piece, contiguous block is bolted on end cap, locating piece makes location-plate form T character form structure perpendicular to contiguous block, described briquetting is arranged on the holddown groove of base both sides, on briquetting, be provided with offset adjusting bolt, offset adjusting bolt is passed briquetting and is connected with sleeve.
2. the frock clamp that machining crankshafts eccentric shaft is used according to claim 1, is characterized in that: described base bottom has passage.
3. the frock clamp that machining crankshafts eccentric shaft is used according to claim 1, is characterized in that: described base front end has the guide table of protrusion.
4. according to the frock clamp that described in claim 1 or 3, machining crankshafts eccentric shaft is used, it is characterized in that: the bottom of described sleeve is provided with the chute coordinating with the guide table of base.
5. the frock clamp that machining crankshafts eccentric shaft is used according to claim 1, is characterized in that: the bottom of described sleeve extends outward the installing plate that forms a ring-type, and the two side ends of installing plate all has the threaded adjusting mouth coordinating with offset adjusting bolt.
6. the frock clamp that machining crankshafts eccentric shaft is used according to claim 1, is characterized in that: described groove has the inwall of inclination, and groove is greater than the diameter away from chuck one end near the diameter of chuck one end.
7. the frock clamp that machining crankshafts eccentric shaft is used according to claim 1, it is characterized in that: described chuck comprises chuck cover, jaw and baffle plate, jaw is arranged on chuck and puts, and described chuck cover is installed with sleeve is movable, and baffle plate is nested on sleeve lining and with end cap and is connected.
8. the frock clamp that machining crankshafts eccentric shaft is used according to claim 7, is characterized in that: the channel position that described chuck puts corresponding base has and holds mouth.
9. the frock clamp that machining crankshafts eccentric shaft is used according to claim 7, is characterized in that: described chuck cover has wide mouthful and slot, and the wide mouth end of chuck cover is limited in baffle plate.
10. the frock clamp that machining crankshafts eccentric shaft is used according to claim 7, is characterized in that: described jaw is elasticity jaw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420471406.3U CN203972897U (en) | 2014-08-20 | 2014-08-20 | The frock clamp that a kind of machining crankshafts eccentric shaft is used |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420471406.3U CN203972897U (en) | 2014-08-20 | 2014-08-20 | The frock clamp that a kind of machining crankshafts eccentric shaft is used |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203972897U true CN203972897U (en) | 2014-12-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420471406.3U Active CN203972897U (en) | 2014-08-20 | 2014-08-20 | The frock clamp that a kind of machining crankshafts eccentric shaft is used |
Country Status (1)
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| CN (1) | CN203972897U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105415054A (en) * | 2015-12-30 | 2016-03-23 | 浙江纳迪克数控设备有限公司 | Cutter mounting structure of numerically-controlled equipment |
| CN105750968A (en) * | 2016-05-09 | 2016-07-13 | 广东铭利达科技有限公司 | Turning lathe clamp device |
| CN106891173A (en) * | 2015-12-18 | 2017-06-27 | 上海上机精密量仪有限公司 | A kind of method that eccentric fixture and application eccentric fixture produce eccentric shaft |
| CN107225417A (en) * | 2017-06-30 | 2017-10-03 | 宝鸡银康机械设备有限公司 | Collet with slidingtype compressing structure |
| CN109500571A (en) * | 2018-12-20 | 2019-03-22 | 浙江精湛化油器有限公司 | A kind of axis class riveting tool |
| CN115194500A (en) * | 2022-06-29 | 2022-10-18 | 镇江合力汽车紧固件有限公司 | Special guide rod processing positioner of pincers |
| CN115194500B (en) * | 2022-06-29 | 2024-04-26 | 镇江合力汽车紧固件有限公司 | Guide rod machining and positioning device special for calipers |
-
2014
- 2014-08-20 CN CN201420471406.3U patent/CN203972897U/en active Active
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106891173A (en) * | 2015-12-18 | 2017-06-27 | 上海上机精密量仪有限公司 | A kind of method that eccentric fixture and application eccentric fixture produce eccentric shaft |
| CN106891173B (en) * | 2015-12-18 | 2019-07-23 | 上海上机精密量仪有限公司 | A kind of eccentric fixture and the method using eccentric fixture production eccentric shaft |
| CN105415054A (en) * | 2015-12-30 | 2016-03-23 | 浙江纳迪克数控设备有限公司 | Cutter mounting structure of numerically-controlled equipment |
| CN105750968A (en) * | 2016-05-09 | 2016-07-13 | 广东铭利达科技有限公司 | Turning lathe clamp device |
| CN105750968B (en) * | 2016-05-09 | 2019-02-19 | 广东铭利达科技有限公司 | A kind of turning attachment device |
| CN107225417A (en) * | 2017-06-30 | 2017-10-03 | 宝鸡银康机械设备有限公司 | Collet with slidingtype compressing structure |
| CN109500571A (en) * | 2018-12-20 | 2019-03-22 | 浙江精湛化油器有限公司 | A kind of axis class riveting tool |
| CN115194500A (en) * | 2022-06-29 | 2022-10-18 | 镇江合力汽车紧固件有限公司 | Special guide rod processing positioner of pincers |
| CN115194500B (en) * | 2022-06-29 | 2024-04-26 | 镇江合力汽车紧固件有限公司 | Guide rod machining and positioning device special for calipers |
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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: Tung Chung town Nansha District Qixin road Guangzhou City, Guangdong province 511453 No. 46 Patentee after: Guangdong Jinghe precision machining Co., Ltd Address before: Tung Chung town Nansha District Qixin road Guangzhou City, Guangdong province 511453 No. 46 Patentee before: GUANGZHOU JINGHE PRECISION MACHINING Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder |