CN204772067U - Anchor clamps of two sets of two -throw crank axle eccentric circles of grinding simultaneously - Google Patents
Anchor clamps of two sets of two -throw crank axle eccentric circles of grinding simultaneously Download PDFInfo
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- CN204772067U CN204772067U CN201520507811.0U CN201520507811U CN204772067U CN 204772067 U CN204772067 U CN 204772067U CN 201520507811 U CN201520507811 U CN 201520507811U CN 204772067 U CN204772067 U CN 204772067U
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- locating piece
- eccentric
- crank axle
- eccentric disk
- spline
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Abstract
The utility model discloses an anchor clamps of two sets of two -throw crank axle eccentric circles of grinding simultaneously, including first central borehole jack, first cylindric lock, first eccentric board, first locating piece, the spline locating piece, the spline locating lever, gland nut, the crank axle, the second locating piece, the eccentric board of second, second center borehole jack and second cylindric lock, can realize two sets of two -throw crank axle simultaneous processing of symmetry setting, general high accuracy grinding mechanism adopts, two eccentric circles to two sets of two -throw crank axles carry out accurate abrasive machining simultaneously, the phase angle and the higher required precision of eccentric distance of two sets of two -throw crank axle eccentric circles have been guaranteed, also guarantee the requirement of the uniformity between two sets of two -throw crank axles, the error is very little, satisfy portable compressor completely, small -size engine, and the requirement of the interior drive disk assembly of accurate reduction gear, and has a good application prospect.
Description
Technical field
The utility model relates to drive disk assembly processing technique field, the fixture of grinding two groups of double throw crankshaft off-centre operations while of being specifically related to a kind of.
Background technology
Double throw crankshaft, be mainly used in light duty compressor, put-put, and the drive disk assembly such as accurate decelerator, and be mostly that two groups of double throw crankshafts use in groups, for double throw crankshaft, the phase angle of its off-centre operation and eccentric throw all have degree of precision requirement, more have conforming instructions for use.
At present, for processing the method for double throw crankshaft, main exist following two kinds, specific as follows,
(1) adopt the import high accuracy special equipment such as dedicated cam numerically control grinder or follow-up grinder to process, this kind of Equipments Setting and required precision are all higher, but working (machining) efficiency and output are lower, cause integrated cost higher;
(2) special fixture is adopted to process, but this fixture substantially all needs secondary again to correct location and clamping, cannot ensure the uniformity of secondary clamping, two ends adopt technique staight shank to position, there is certain positioning gap, also easily loosen in grinding process.
Also have, two kinds of above processing methods, be the processing of single double throw crankshaft, when cannot ensure that two groups of double throw crankshafts use in groups, the phase angle of off-centre operation and the uniformity of eccentric throw on double throw crankshaft, and error is difficult to meet light duty compressor, put-put, and the requirement of drive disk assembly in accurate decelerator.
Utility model content
The technical problem that the utility model solves overcomes existing double throw crankshaft processing method, for single double throw crankshaft is processed, when cannot ensure that two groups of double throw crankshafts use in groups, the phase angle of off-centre operation and the uniformity of eccentric throw on double throw crankshaft, and error is difficult to the problem of the requirement meeting drive disk assembly.
In order to achieve the above object, the technical scheme that the utility model adopts is:
While grinding two groups of double throw crankshaft off-centre operations a fixture, it is characterized in that: comprise the first center borehole jack, first straight pin, first eccentric disk, first locating piece, spline locating piece, spline backstay, clamp nut, crank axle, second locating piece, second eccentric disk, second center borehole jack and the second straight pin, described first eccentric disk, second eccentric disk is in left, the right side is symmetrical arranged, and eccentric direction is consistent, and described first centre bore is set on the middle part outside the first eccentric disk, and described second centre bore is set on the middle part outside the second eccentric disk, described first center borehole jack, center hole in the middle part of second center borehole jack is arranged on grinding mechanism, and described first eccentric disk is by upper, two the first straight pins of lower distribution are fixedly connected with the first locating piece, and described first locating piece is positioned at the inner side of the first eccentric disk, and described second eccentric disk is by upper, two the second straight pins of lower distribution are fixedly connected with the second locating piece, and described second locating piece is positioned at the inner side of the second eccentric disk, described first locating piece, second locating piece is in left, the right side is symmetrical arranged, described first locating piece, middle part inside second locating piece is equipped with the locating hole for grafting crankshaft end to be processed, top inside described first locating piece is also fixed with spline locating piece, the inner side of described spline locating piece is fixed with spline backstay, described clamp nut is socketed on spline backstay, and described clamp nut locks the bottom of spline backstay and a crank axle end.
The fixture of grinding two groups of double throw crankshaft off-centre operations while of aforesaid, is characterized in that: described crank axle comprises symmetrically arranged two groups of double throw crankshafts, the structure and two groups of double throw crankshafts are formed in one.
The fixture of grinding two groups of double throw crankshaft off-centre operations while of aforesaid, is characterized in that: the rear end of described first straight pin, the second straight pin is equipped with clamping screw.
The fixture of grinding two groups of double throw crankshaft off-centre operations while of aforesaid, is characterized in that: the locating hole inside described first locating piece, the second locating piece is in same level.
The beneficial effects of the utility model are: the fixture of grinding two groups of double throw crankshaft off-centre operations while of the present utility model, symmetrically arranged two groups of double throw crankshafts can be realized process simultaneously, adopt general high-precision grinding mechanism, accurate grinding processing is carried out to two place's off-centre operations of two groups of double throw crankshafts simultaneously, ensure that the phase angle of two groups of double throw crankshaft off-centre operations and the higher required precision of eccentric throw, also the conforming requirement between two groups of double throw crankshafts is ensured, error is very little, meet light duty compressor completely, put-put, and the requirement of drive disk assembly in accurate decelerator, have a good application prospect.
Accompanying drawing explanation
The structural representation of the fixture of grinding two groups of double throw crankshaft off-centre operations while that Fig. 1 being of the present utility model.
The implication marked in accompanying drawing is as follows:
1: the first center borehole jack; 2: the first straight pins; 3: the first eccentric disks; 4: the first locating pieces; 5: spline locating piece; 6: spline backstay; 7: clamp nut; 8: crank axle; 9: the second locating pieces; 10: the second eccentric disks; 11: the second center borehole jacks; 12: the second straight pins; 13: locating hole; 14: clamping screw.
Detailed description of the invention
Below in conjunction with Figure of description, the utility model is further described.
As shown in Figure 1, the fixture of the two groups of double throw crankshaft off-centre operations of grinding simultaneously, comprises the first center borehole jack 1, first straight pin 2, first eccentric disk 3, first locating piece 4, spline locating piece 5, spline backstay 6, clamp nut 7, crank axle 8, second locating piece 9, second eccentric disk 10, second center borehole jack 11 and the second straight pin 12, described first eccentric disk 3, second eccentric disk 10 is in left, the right side is symmetrical arranged, and eccentric direction is consistent, and the first center borehole jack 1 is arranged on the middle part outside the first eccentric disk 3, and the second center borehole jack 11 is arranged on the middle part outside the second eccentric disk 10, the first center borehole jack 1, center hole in the middle part of second center borehole jack 11 is arranged on grinding mechanism, and the first eccentric disk 3 is by upper, two the first straight pins 2 of lower distribution are fixedly connected with the first locating piece 4, and the first locating piece 4 is positioned at the inner side of the first eccentric disk 3, and the second eccentric disk 10 is by upper, two the second straight pins 12 of lower distribution are fixedly connected with the second locating piece 9, and the second locating piece 9 is positioned at the inner side of the second eccentric disk 10, the first locating piece 4, second locating piece 9 is in left, the right side is symmetrical arranged, the first locating piece 4, middle part inside second locating piece 9 is equipped with the locating hole 13 for grafting crank axle 8 to be processed end, top inside first locating piece 4 is also fixed with spline locating piece 5, the inner side of spline locating piece 5 is fixed with spline backstay 6, clamp nut 7 is socketed on spline backstay 6, and clamp nut 7 is for locking the bottom of spline backstay 6 and crank axle 8 one ends.
Described crank axle 8 comprises symmetrically arranged two groups of double throw crankshafts, the structure and two groups of double throw crankshafts are formed in one, and can realize symmetrically arranged two groups of double throw crankshafts and process simultaneously.
The rear end of described first straight pin 2, second straight pin 12 is equipped with clamping screw 14.
Locating hole 13 inside described first locating piece 4, second locating piece 9, in same level, ensures the horizontal positioned of crank axle 8 to be processed.
The using method of the fixture of the utility model grinding simultaneously two groups of double throw crankshaft off-centre operations, comprises the following steps,
Step (1), is placed on dull and stereotyped upper correction water Pingdu, and inserts in the locating hole 13 of respective side first locating piece 4, second locating piece 9 by crank axle 8 two ends by the first locating piece 4, second locating piece 9;
Step (2), upwards lift spline backstay 6, rotary crank axle 8, is adjusted to grinding position, and is locked in the locating hole 13 of respective side by crank axle 8 two ends;
Step (3), first eccentric disk 3, second eccentric disk 10 is arranged on respectively the inner side of the first locating piece 4, second locating piece 9 by the first straight pin 2, second straight pin 12, and ensures that the eccentric direction of the first eccentric disk 3, second eccentric disk 10 is consistent;
Step (4), is located fixture by the first center borehole jack 1, the second center borehole jack 11 being positioned at both sides on grinding mechanism;
Step (5), by crank throw a, crank throw c consistent with the first eccentric disk 3, second eccentric disk 10 eccentric direction on grinding mechanism grinding crank axle 8, completes crank axle 8 in crank throw a, crank throw c place's grinding;
Step (6), dismantles the first eccentric disk 3, second eccentric disk 10, and rotates 180 ° respectively, and repeats step (3)-step (4);
Step (7), by crank throw b, crank throw d consistent with the first eccentric disk 3, second eccentric disk 10 eccentric direction on grinding mechanism grinding crank axle 8, completes crank axle 8 in crank throw b, crank throw d place's grinding;
Step (8), from the first locating piece 4, second locating piece 9, dismounting crank axle 8;
Step (9), cuts off crank axle 8 from center, forms two groups of two-throw cranks.
In sum, the fixture of grinding two groups of double throw crankshaft off-centre operations while of the present utility model, symmetrically arranged two groups of double throw crankshafts can be realized process simultaneously, adopt general high-precision grinding mechanism, accurate grinding processing is carried out to two place's off-centre operations of two groups of double throw crankshafts simultaneously, ensure that the phase angle of two groups of double throw crankshaft off-centre operations and the higher required precision of eccentric throw, also the conforming requirement between two groups of double throw crankshafts is ensured, error is very little, meet light duty compressor completely, put-put, and the requirement of drive disk assembly in accurate decelerator, have a good application prospect.
More than show and describe general principle of the present utility model, principal character and advantage.The technical staff of the industry should understand; the utility model is not restricted to the described embodiments; what describe in above-described embodiment and description just illustrates principle of the present utility model; under the prerequisite not departing from the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall within the scope of claimed the utility model.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (4)
1. the fixture of a grinding simultaneously two groups of double throw crankshaft off-centre operations, it is characterized in that: comprise the first center borehole jack (1), first straight pin (2), first eccentric disk (3), first locating piece (4), spline locating piece (5), spline backstay (6), clamp nut (7), crank axle (8), second locating piece (9), second eccentric disk (10), second center borehole jack (11) and the second straight pin (12), described first eccentric disk (3), second eccentric disk (10) is in left, the right side is symmetrical arranged, and eccentric direction is consistent, described first center borehole jack (1) is arranged on the middle part in the first eccentric disk (3) outside, described second center borehole jack (11) is arranged on the middle part in the second eccentric disk (10) outside, described first center borehole jack (1), the center hole at the second center borehole jack (11) middle part is arranged on grinding mechanism, described first eccentric disk (3) is by upper, two the first straight pins (2) of lower distribution are fixedly connected with the first locating piece (4), described first locating piece (4) is positioned at the inner side of the first eccentric disk (3), described second eccentric disk (10) is by upper, two the second straight pins (12) of lower distribution are fixedly connected with the second locating piece (9), described second locating piece (9) is positioned at the inner side of the second eccentric disk (10), described first locating piece (4), second locating piece (9) is in left, the right side is symmetrical arranged, described first locating piece (4), the middle part of the second locating piece (9) inner side is equipped with the locating hole (13) for grafting crank axle to be processed (8) end, the top of described first locating piece (4) inner side is also fixed with spline locating piece (5), the inner side of described spline locating piece (5) is fixed with spline backstay (6), described clamp nut (7) is socketed on spline backstay (6), described clamp nut (7) is for locking the bottom of spline backstay (6) and crank axle (8) ends.
2. while according to claim 1, the fixture of grinding two groups of double throw crankshaft off-centre operations, is characterized in that: described crank axle (8) comprises symmetrically arranged two groups of double throw crankshafts, the structure and two groups of double throw crankshafts are formed in one.
3. while according to claim 1, the fixture of grinding two groups of double throw crankshaft off-centre operations, is characterized in that: the rear end of described first straight pin (2), the second straight pin (12) is equipped with clamping screw (14).
4. the fixture of grinding two groups of double throw crankshaft off-centre operations while according to claim 1, is characterized in that: the locating hole (13) of described first locating piece (4), the second locating piece (9) inner side is in same level.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520507811.0U CN204772067U (en) | 2015-07-14 | 2015-07-14 | Anchor clamps of two sets of two -throw crank axle eccentric circles of grinding simultaneously |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520507811.0U CN204772067U (en) | 2015-07-14 | 2015-07-14 | Anchor clamps of two sets of two -throw crank axle eccentric circles of grinding simultaneously |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204772067U true CN204772067U (en) | 2015-11-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520507811.0U Active CN204772067U (en) | 2015-07-14 | 2015-07-14 | Anchor clamps of two sets of two -throw crank axle eccentric circles of grinding simultaneously |
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|---|---|
| CN (1) | CN204772067U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104959912A (en) * | 2015-07-14 | 2015-10-07 | 南京康尼机电股份有限公司 | Clamp for grinding eccentric circles of two double-throw crankshafts at the same time and use method thereof |
| 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 |
-
2015
- 2015-07-14 CN CN201520507811.0U patent/CN204772067U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104959912A (en) * | 2015-07-14 | 2015-10-07 | 南京康尼机电股份有限公司 | Clamp for grinding eccentric circles of two double-throw crankshafts at the same time and use method thereof |
| CN104959912B (en) * | 2015-07-14 | 2017-04-19 | 南京康尼机电股份有限公司 | Clamp for grinding eccentric circles of two double-throw crankshafts at the same time and use method thereof |
| 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 |
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