CN204524841U - For the eccentric clamp of crank shaft of bent axle car eccentric throw processing - Google Patents
For the eccentric clamp of crank shaft of bent axle car eccentric throw processing Download PDFInfo
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- CN204524841U CN204524841U CN201520126083.9U CN201520126083U CN204524841U CN 204524841 U CN204524841 U CN 204524841U CN 201520126083 U CN201520126083 U CN 201520126083U CN 204524841 U CN204524841 U CN 204524841U
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Abstract
The utility model relates to a kind of eccentric clamp of crank shaft for the processing of bent axle car eccentric throw, comprise eccentric chuck, offer the groove being sleeved on crankshaft two end in the inner side of eccentric chuck, the center of eccentric chuck offers centre bore, offers eccentric orfice in the outside of eccentric chuck; The two ends of bent axle are plugged in the groove of two eccentric chucks respectively, along the radial direction of eccentric chuck, by puller bolt, bent axle and cam lock are overlapped fastening, along the axis of eccentric chuck, overlap fastening by soket head cap screw by bent axle and cam lock, the eccentric throw of bent axle is located by the eccentric orfice outside eccentric chuck.Compared with prior art, the utility model utilizes the eccentric throw of crank throw neck on the corresponding bent axle of the distance between eccentric orfice with centre bore, ensures accurate positioning by symmetrically arranged two eccentric orfices, and mounting or dismounting are convenient.Meanwhile, adopt easy structure, low cost of manufacture, extremely easy to use, flexible, quick, effectively shorten the process-cycle manufacturing cost of bent axle.
Description
Technical field
The utility model relates to a kind of fixture, especially relates to a kind of eccentric clamp of crank shaft for the processing of bent axle car eccentric throw.
Background technology
Bent axle car eccentric fixture is used to the special tooling of machining crankshafts crank throw neck.Existing bent axle car eccentric fixture processing crank throw neck, need lifting school to adjust many large-scale frock parts, install complicated, waste time and energy, the cost manufacturing the eccentric frock of a whole set of bent axle car is also high.
Chinese patent CN 102303258 A discloses a kind of eccentric clamp of crank shaft, it comprises spindle flange dish, packing, eccentric disc, clamp body, crankshaft clamping, packing is fixedly mounted in spindle flange disk hole, eccentric disc installing hole is provided with inside packing, eccentric disc with eccentric shaft is fixed on packing, and clamp body endoporus is arranged on eccentric shaft by bearing.Packing is also provided with several T-slot holes, coordinated by T-shaped screw and nut and compress, clamp body is fixed on packing.Crankshaft clamping is installed in clamp body front portion.This fixture according to different eccentricity of crankshaft sizes, can change eccentric disc.It is rational in infrastructure, installs simple, and operation is fast and save time, and production efficiency is high, safe and reliable, by changing eccentric disc eccentric distance, being suitable for the eccentric clamp of crank shaft making turning, the various Large Crankshaft connecting rod neck of grinding, meeting the job requirement of different eccentricity of crankshafts.But above-mentioned clamp structure is comparatively complicated, installs complicated, waste time and energy, and cost is also higher.
Utility model content
The purpose of this utility model is exactly provide a kind of simple structure, easy to use, the eccentric clamp of crank shaft for the processing of bent axle car eccentric throw that greatly reduces manufacturing cost and use cost to overcome defect that above-mentioned prior art exists.
The purpose of this utility model can be achieved through the following technical solutions:
A kind of eccentric clamp of crank shaft for the processing of bent axle car eccentric throw, comprise eccentric chuck, offer in the inner side of described eccentric chuck the groove being sleeved on crankshaft two end, the center of described eccentric chuck offers centre bore, offers eccentric orfice in the outside of eccentric chuck; The two ends of described bent axle are plugged in the groove of two eccentric chucks respectively, along the radial direction of eccentric chuck, by puller bolt, bent axle and cam lock are overlapped fastening, along the axis of eccentric chuck, overlap fastening by soket head cap screw by bent axle and cam lock, the eccentric throw of bent axle is located by the eccentric orfice outside eccentric chuck.
The radial direction of described eccentric chuck offers puller bolt hole, and described puller bolt hole is communicated with groove.Described puller bolt hole is provided with 4, is distributed on eccentric chuck circumferentially, and the angle in adjacent two puller bolt holes is 90 °.
The axis of described eccentric chuck offers soket head cap screw hole, and described soket head cap screw hole is communicated with groove.Described soket head cap screw hole is provided with 4, is distributed on eccentric chuck circumferentially, and the angle in adjacent two soket head cap screw holes is 90 °.
Described eccentric orfice is provided with two, is symmetricly set on the two ends up and down of centre bore.
Inner side and the bent axle contact surface of described groove are provided with lining.
Eccentric clamp of crank shaft of the present utility model can process the crank throw neck of all size eccentric throw, and the eccentric chuck end face of different size is equipped with the eccentric orfice of different size.The eccentric chuck of each secondary crankshaft car is all furnished with a secondary finish turning lining, in order to complete roughing in car crank throw neck process and finishing step.
Compared with prior art, the utility model has the following advantages and beneficial effect:
(1) the eccentric orfice location eccentricity distance utilizing cam lock to put, the eccentric throw of crank throw neck on the corresponding bent axle of the distance between eccentric orfice with centre bore, ensures accurate positioning by two eccentric orfices being symmetricly set on the upper and lower two ends of centre bore, and mounting or dismounting are convenient.
(2) adjust eccentric throw only need adjust eccentric orfice positioning instant can, there is good precision stability and reliability.
(3) along the radial direction of eccentric chuck, by puller bolt, bent axle and cam lock are overlapped fastening, along the axis of eccentric chuck, by soket head cap screw, bent axle and cam lock are overlapped fastening, therefore, between fixture of the present utility model and bent axle, fastening effect is good, installs fastening stable.
(4) the utility model adopts easy structure, and low cost of manufacture is extremely easy to use, flexible, quick, effectively shortens the process-cycle manufacturing cost of bent axle.
Accompanying drawing explanation
Fig. 1 is the sectional structure schematic diagram of eccentric clamp of crank shaft of the present utility model;
Fig. 2 is that the master of eccentric chuck looks sectional structure schematic diagram;
Fig. 3 is the diagrammatic side-view cross-sectional structural representation of eccentric chuck;
Fig. 4 is the mounting structure schematic diagram of eccentric clamp of crank shaft of the present utility model and bent axle;
Fig. 5 is the sectional structure schematic diagram of lining.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the utility model is described in detail.
Embodiment
A kind of eccentric clamp of crank shaft for the processing of bent axle car eccentric throw, as shown in FIG. 1 to 3, comprise eccentric chuck 1, offer the groove 11 being sleeved on bent axle 5 two ends in the inner side of eccentric chuck 1, the radial direction of eccentric chuck 1 offers puller bolt hole 12, and puller bolt hole 12 is communicated with groove 11.Puller bolt hole 12 is provided with 4, is distributed on eccentric chuck 1 circumferentially, and the angle in adjacent two puller bolt holes 12 is 90 °.The axis of eccentric chuck 1 offers soket head cap screw hole 13, and soket head cap screw hole 13 is communicated with groove 11.Soket head cap screw hole 13 is provided with 4, is distributed on eccentric chuck 1 circumferentially, and the angle in adjacent two soket head cap screw holes 13 is 90 °.The center of eccentric chuck 1 offers centre bore 14, offers eccentric orfice 15 in the outside of eccentric chuck 1.Eccentric orfice 15 is provided with two, is symmetricly set on the two ends up and down of centre bore 14.
As shown in Figure 4, the two ends of bent axle 5 are plugged in the groove 11 of two eccentric chucks 1 respectively, along the radial direction of eccentric chuck 1, by puller bolt 2 by fastening to bent axle 5 and eccentric chuck 1, along the axis of eccentric chuck 1, by soket head cap screw 3 by fastening to bent axle 5 and eccentric chuck 1, the eccentric throw of bent axle 5 is located by the eccentric orfice 15 outside eccentric chuck 1.The eccentric orfice location eccentricity distance utilizing cam lock to put, the eccentric throw of crank throw neck on the corresponding bent axle of the distance between eccentric orfice with centre bore, ensures accurate positioning by two eccentric orfices being symmetricly set on the upper and lower two ends of centre bore, and mounting or dismounting are convenient.
As shown in Figure 4, Figure 5, the inner side of groove 11 and bent axle 5 contact surface are provided with lining 4.Wherein when roughing, lining 4 need not be placed, lining 4 is set when fine finishining.
In the present embodiment, eccentric chuck hardness meets HB270-300, and the hardness of lining meets HB250-270.On lining, the orifice chamfer in each hole is 0.5 × 45 °.
The eccentric clamp of crank shaft of the present embodiment can process the crank throw neck of all size eccentric throw, and the eccentric chuck end face of different size is equipped with the eccentric orfice of different size.The eccentric chuck of each secondary crankshaft car is all furnished with a secondary finish turning lining, in order to complete roughing in car crank throw neck process and finishing step.
Above-mentioned is can understand for ease of those skilled in the art and use utility model to the description of embodiment.Person skilled in the art obviously easily can make various amendment to these embodiments, and General Principle described herein is applied in other embodiments and need not through performing creative labour.Therefore, the utility model is not limited to above-described embodiment, and those skilled in the art, according to announcement of the present utility model, do not depart from improvement that the utility model category makes and amendment all should within protection domain of the present utility model.
Claims (7)
1. the eccentric clamp of crank shaft for the processing of bent axle car eccentric throw, it is characterized in that, comprise eccentric chuck (1), the groove (11) being sleeved on bent axle (5) two ends is offered in the inner side of described eccentric chuck (1), the center of described eccentric chuck (1) offers centre bore (14), offers eccentric orfice (15) in the outside of eccentric chuck (1); The two ends of described bent axle (5) are plugged in the groove (11) of two eccentric chucks (1) respectively, along the radial direction of eccentric chuck (1), by puller bolt (2) by fastening to bent axle (5) and eccentric chuck (1), along the axis of eccentric chuck (1), by soket head cap screw (3) by fastening to bent axle (5) and eccentric chuck (1), the eccentric throw of bent axle (5) is located by the eccentric orfice (15) in eccentric chuck (1) outside.
2. a kind of eccentric clamp of crank shaft for the processing of bent axle car eccentric throw according to claim 1, it is characterized in that, the radial direction of described eccentric chuck (1) offers puller bolt hole (12), and described puller bolt hole (12) is communicated with groove (11).
3. a kind of eccentric clamp of crank shaft for the processing of bent axle car eccentric throw according to claim 2, it is characterized in that, described puller bolt hole (12) is provided with 4, be distributed on eccentric chuck (1) circumferentially, the angle of adjacent two puller bolt holes (12) is 90 °.
4. a kind of eccentric clamp of crank shaft for the processing of bent axle car eccentric throw according to claim 1, it is characterized in that, the axis of described eccentric chuck (1) offers soket head cap screw hole (13), and described soket head cap screw hole (13) is communicated with groove (11).
5. a kind of eccentric clamp of crank shaft for the processing of bent axle car eccentric throw according to claim 4, it is characterized in that, described soket head cap screw hole (13) is provided with 4, be distributed on eccentric chuck (1) circumferentially, the angle of adjacent two soket head cap screw holes (13) is 90 °.
6. a kind of eccentric clamp of crank shaft for the processing of bent axle car eccentric throw according to claim 1, it is characterized in that, described eccentric orfice (15) is provided with two, is symmetricly set on the two ends up and down of centre bore (14).
7. a kind of eccentric clamp of crank shaft for the processing of bent axle car eccentric throw according to claim 1, it is characterized in that, inner side and bent axle (5) contact surface of described groove (11) are provided with lining (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520126083.9U CN204524841U (en) | 2015-03-04 | 2015-03-04 | For the eccentric clamp of crank shaft of bent axle car eccentric throw processing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520126083.9U CN204524841U (en) | 2015-03-04 | 2015-03-04 | For the eccentric clamp of crank shaft of bent axle car eccentric throw processing |
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| CN204524841U true CN204524841U (en) | 2015-08-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520126083.9U Active CN204524841U (en) | 2015-03-04 | 2015-03-04 | For the eccentric clamp of crank shaft of bent axle car eccentric throw processing |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107953123A (en) * | 2017-12-18 | 2018-04-24 | 徐州博丰轴承有限公司 | A kind of clamp for machining of crankshaft journal |
| CN108942343A (en) * | 2018-09-30 | 2018-12-07 | 山西华翔集团股份有限公司 | A kind of air-conditioner compressor crankshaft eccentric shaft outer circle novel clamp |
| CN109604655A (en) * | 2018-11-22 | 2019-04-12 | 中国船舶重工集团公司第七0七研究所 | A kind of method for turning and Special Eccentric tooling of RV retarder crank axle off-centre operation |
| CN109648275A (en) * | 2019-01-07 | 2019-04-19 | 山东大学 | A kind of entirety eccentric cylinder cam crank processing method |
| CN110561161A (en) * | 2019-09-11 | 2019-12-13 | 中核(天津)科技发展有限公司 | Special clamp for turning special-shaped eccentric long pipe part and using method thereof |
| CN113042995A (en) * | 2021-03-31 | 2021-06-29 | 安徽江淮汽车集团股份有限公司 | Positioning jig for crankshaft turnover and crankshaft turnover device |
| CN113829094A (en) * | 2021-10-20 | 2021-12-24 | 内江金鸿曲轴有限公司 | Crankshaft center hole machining process |
-
2015
- 2015-03-04 CN CN201520126083.9U patent/CN204524841U/en active Active
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107953123A (en) * | 2017-12-18 | 2018-04-24 | 徐州博丰轴承有限公司 | A kind of clamp for machining of crankshaft journal |
| CN108942343A (en) * | 2018-09-30 | 2018-12-07 | 山西华翔集团股份有限公司 | A kind of air-conditioner compressor crankshaft eccentric shaft outer circle novel clamp |
| CN108942343B (en) * | 2018-09-30 | 2024-03-08 | 山西华翔集团股份有限公司 | Novel clamp for outer circle of crankshaft eccentric shaft of air conditioner compressor |
| CN109604655A (en) * | 2018-11-22 | 2019-04-12 | 中国船舶重工集团公司第七0七研究所 | A kind of method for turning and Special Eccentric tooling of RV retarder crank axle off-centre operation |
| CN109648275A (en) * | 2019-01-07 | 2019-04-19 | 山东大学 | A kind of entirety eccentric cylinder cam crank processing method |
| CN110561161A (en) * | 2019-09-11 | 2019-12-13 | 中核(天津)科技发展有限公司 | Special clamp for turning special-shaped eccentric long pipe part and using method thereof |
| CN113042995A (en) * | 2021-03-31 | 2021-06-29 | 安徽江淮汽车集团股份有限公司 | Positioning jig for crankshaft turnover and crankshaft turnover device |
| CN113042995B (en) * | 2021-03-31 | 2022-04-08 | 安徽江淮汽车集团股份有限公司 | Positioning jig for crankshaft turnover and crankshaft turnover device |
| CN113829094A (en) * | 2021-10-20 | 2021-12-24 | 内江金鸿曲轴有限公司 | Crankshaft center hole machining process |
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