CN102717275B - Locating mechanism for machining two ends of crank shaft - Google Patents
Locating mechanism for machining two ends of crank shaft Download PDFInfo
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- CN102717275B CN102717275B CN201210220756.8A CN201210220756A CN102717275B CN 102717275 B CN102717275 B CN 102717275B CN 201210220756 A CN201210220756 A CN 201210220756A CN 102717275 B CN102717275 B CN 102717275B
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- pin
- hole
- follower plate
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- rotating shaft
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Abstract
The invention discloses a locating mechanism for machining the two ends of a crank shaft, comprising a support frame, a rotating shaft, a driven plate and a crank shaft fixing device, wherein the support frame is fixed on ground and is provided with a vertical working surface; the rotating shaft is horizontally arranged at the middle part of the working surface of the support frame; the driven plate is vertically arranged, is fixed on the rotating shaft and is close to the working surface of the support frame; the driven plate is fixedly provided with a fixing mechanism and an axial locating piece; a driven plate limit mechanism used for fixing the driven plate after the driven plate rotates along with the rotating shaft is arranged between the driven plate and the support frame; and the driven plate is respectively horizontally provided with height regulating slots which extend vertically at the upper side and the lower side of the rotating shaft, and the fixing mechanism and the axial locating piece are both fixed in the height regulating slots. The locating mechanism disclosed by the invention is used for locating in the machining of the two ends of the crank shaft, holes at the two ends can be machined while the crank shaft is clamped once, and therefore positional accuracy of the holes at the two ends is guaranteed and labour intensity of operating personnel is reduced.
Description
Technical field
The present invention relates to a kind of machined detent mechanism, relate in particular to a kind of centre bore of crankshaft two end face or the crankshaft two end of bolt hole precise positioning processing detent mechanism of making.
Background technology
Bent axle is the important drive disk assembly of engine, if crankshaft rotating is uneven during engine operation, can cause engine to occur the phenomenons such as vibration, therefore must guarantee the positional precision of the centre bore of crankshaft two end face concentric and bolt hole and signal installing hole.
In prior art, when the centre bore of machining crankshafts both ends of the surface or bolt hole, one end that machining tool can only first machining crankshafts, upset bent axle is the reprocessing other end behind clamping location again.After bent axle upset, can cause secondary position error, affect the positional precision of two ends face, and positional precision reduction can cause bent axle assembling difficulty or cause crankshaft rotating uneven.
Summary of the invention
For solving the deficiencies in the prior art, the invention provides a kind of crankshaft two end processing detent mechanism, this mechanism can realize the processing that bent axle clamping once can complete centre bore and the bolt hole of its both ends of the surface, guarantee the positional precision of two stomidiums, and reduced operating personnel's labour intensity.
For achieving the above object, crankshaft two end processing detent mechanism of the present invention, it comprises bracing frame, rotating shaft, follower plate, crankshaft fixing, wherein:
Bracing frame can be fixed on ground, with the perpendicular working face of putting;
Rotating shaft level is located at the middle part of the working face of bracing frame;
Follower plate is perpendicular to be put, and is fixed on rotating shaft and the working face of close bracing frame; On follower plate, be fixed with for bent axle being clamped and vertical fixing fixed mechanism; On follower plate, be also provided with that end face that is positioned at rotating shaft top for keeping bent axle at bent axle with rotating shaft in the forward and backward axial location piece being positioned on sustained height of vertical plane Rotate 180 ゜; Between follower plate and bracing frame, be also provided with the follower plate position-limit mechanism for being fixed after follower plate is rotated with rotating shaft;
On described follower plate, in the both sides up and down of rotating shaft, level is provided with the height regulating tank of vertical extension to being separated by respectively, and described fixed mechanism and axial location piece are all fixed in height regulating tank.
As improvement of the present invention, fixed mechanism comprises fixed block, hold-down mechanism; Wherein:
Fixed block is horizontally disposed with and stiff end is fixed in the height regulating tank of follower plate, and the other end is free end; The free end of fixed block is with the penetrating V-shaped groove of above-below direction, and the opening of V-arrangement is towards paralleling with follower plate, and two groove faces of the outer peripheral face of bent axle and V-shaped groove are simultaneously tangent;
Described hold-down mechanism is positioned at the free-ended outside of fixed block, and its inboard, can be tangent with bent axle outer peripheral face with vertical clamping plane; On hold-down mechanism, be with the distance being useful between the free end of adjusting hold-down mechanism and fixed block so that the tangent fastener of clamping plane and bent axle outer peripheral face.
As specializing of fastener structure, described fastener comprises screw rod and nut, and hold-down mechanism is provided with slotted hole, and screw limiting is in slotted hole and can be slidably matched with slotted hole; The stiff end of screw rod is fixed on follower plate, and the other end matches with nut through slotted hole.
As the improvement to aforesaid way, described fixed mechanism is provided with two, lays respectively at the both sides up and down of rotating shaft.
As another kind of the present invention is improved, described pin rod is separate component, suitable with the pin-and-hole of pin-and-hole group;
Described pin-and-hole group comprises horizontally extending three pin-and-holes: wherein one is bracing frame pin-and-hole, is located on the working face of bracing frame; All the other two is the first pin-and-hole and the second pin-and-hole, be through hole, the first pin-and-hole and the second pin-and-hole distribute with respect to axisymmetry, are located at respectively when bent axle is perpendicular above an one end face lays respectively at while putting, during below, on follower plate with the corresponding position of bracing frame pin-and-hole.
Owing to having adopted technique scheme, compared with prior art, obtained technological progress is in the present invention:
1, the setting of fixed mechanism, bent axle is played to the perpendicular fixing effect of putting, while having guaranteed Crankshaft Machining, can arbitrarily not rock, arranging of axial location piece can guarantee that bent axle Rotate 180 ° former and later two end faces in vertical plane are positioned on sustained height, and arranging of follower plate position-limit mechanism can guarantee the accurate Rotate 180 ° of follower plate; And fixed mechanism and axial location piece are arranged in height regulating tank, can adjust the two height and position on follower plate according to the bent axle of different axle journals, length;
2, fixed block is provided with two, and two groove faces of the outer peripheral face of bent axle and the V-shaped groove of fixed block are simultaneously tangent, be that the two ends of bent axle are individually fixed in two V-shaped grooves, and be fixed with hold-down mechanism, further guaranteed that crankshaft end-face can arbitrarily not rock adding man-hour bent axle;
3, the follower plate position-limit mechanism being formed by pin rod and pin-and-hole group, simple in structure, easy to operate.
The centre bore or the bolt hole that the invention solves the both ends of the surface of bent axle add decentraction problem in man-hour.
The present invention is applicable to various crankshaft end-faces to add man-hour, realizes the location to bent axle.
Accompanying drawing explanation
Below in conjunction with drawings and the specific embodiments, the present invention is done further to describe in detail.
Fig. 1 is the front view of the embodiment of the present invention;
Fig. 2 is the left view of Fig. 1;
Fig. 3 is the agent structure schematic diagram of follower plate 3;
Fig. 4 is the structural representation of fixed block 51;
Fig. 5, Fig. 6 are respectively upward view and the left view of Fig. 4;
Fig. 7 is position relationship, the connecting relation schematic diagram of fixed block 51, hold-down mechanism 52 and fastener 53;
Fig. 8 is the structural representation of hold-down mechanism 52;
Fig. 9 is the left view of Fig. 8;
Figure 10 is the structural representation of axial location piece 6;
Figure 11 is the upward view of Figure 10;
Figure 12 is the structural representation of gripper shoe 8;
Figure 13, Figure 14 are respectively the Left elevation and bottom view of Figure 12.
In figure: 1, bracing frame; 2, rotating shaft; 3, follower plate; 4, bent axle; 5, fixed mechanism; 6, axial location piece; 7, follower plate position-limit mechanism; 11, working face; 31, height regulating tank; 51, fixed block; 52, hold-down mechanism; 53, fastener; 71, pin rod; 72, bracing frame pin-and-hole; 73, the first pin-and-hole; 74, the second pin-and-hole; 8, gripper shoe.
The specific embodiment
Embodiment
A crankshaft two end processing detent mechanism, as shown in Figures 1 and 2.It comprises bracing frame 1, rotating shaft 2, follower plate 3 and crankshaft fixing.Wherein:
(1) bracing frame 1
(2) rotating shaft 2
Rotating shaft 2 levels are located at the middle part of the working face 11 of bracing frame 1, can 360 ゜ rotations.
(3) follower plate 3
(4) crankshaft fixing
Crankshaft fixing is arranged on follower plate 3, comprises fixed mechanism 5, axial location piece 6 and follower plate position-limit mechanism 7.Wherein:
(41) fixed mechanism 5
Fixed mechanism 5 is provided with two groups, lays respectively at the both sides up and down of rotating shaft 2, for bent axle 4 being stepped up and vertically fixing.Each group fixed mechanism 5 comprises fixed block 51 and hold-down mechanism 52.Wherein:
(411) fixed block 51
Fixed block 51 is horizontally disposed with, and its one end is stiff end, and the other end is free end.
Its stiff end is bolted in height regulating tank 31, unclamps that bolt can make fixed block 51 in the interior vertical movement of height regulating tank 31 to adjust the height of fixed block 51.
Its free end is with the penetrating V-shaped groove of above-below direction, the opening of V-arrangement is towards paralleling with follower plate 3, two groove faces of the outer peripheral face of bent axle 4 and V-shaped groove are tangent (as Figure 4-Figure 6) simultaneously, and the upper and lower side of bent axle 4 is connected to respectively in the V-shaped groove of fixed block 51 of rotating shaft both sides Shang Xia 2.
(412) hold-down mechanism 52
Hold-down mechanism 52 is positioned at the free-ended outside of fixed block 51, its inboard is with vertical clamping plane (as shown in Fig. 8 and Fig. 9), can with bent axle 4 outer peripheral faces tangent (as shown in Figure 7), the middle part of hold-down mechanism 52 is provided with slotted hole, and slotted hole place is with fastener 53, and it comprises screw rod and nut, screw limiting is in slotted hole and can be slidably matched with slotted hole, the stiff end of screw rod is fixed on follower plate 3, and the other end is through slotted hole, and nut and screw rod are suitable and be positioned at the other end of screw rod.Fastener 53 is for adjusting the distance between the free end of hold-down mechanism 52 and fixed block 51, tangent to guarantee clamping plane and bent axle outer peripheral face.
The outboard end place of hold-down mechanism 52 is also provided with gripper shoe 8, and its structure is as shown in Figure 12-14.The outboard end of hold-down mechanism 52 and gripper shoe 8 connect firmly, and gripper shoe 8 cannot move it for limiting hold-down mechanism 52 in the plane paralleling with follower plate 3.Gripper shoe 8 is fixed in height regulating tank 31.
(42) axial location piece 6
One end of axial location piece 6 is fixed in height regulating tank 31, and the other end is working end, and the end face band of working end is useful on the working face matching with bent axle 4 shaft neck thrust faces, and working face comprises horizontal operation face and the vertical working face that rectangular dihedral angle distributes.
(43) follower plate position-limit mechanism 7
Follower plate position-limit mechanism 7 is fixed after follower plate 3 is rotated with rotating shaft 2, comprises pin rod 71 and pin-and-hole group.
(431) pin rod 71
(432) pin-and-hole group
Pin-and-hole group comprises horizontally extending three pin-and-holes: wherein one is bracing frame pin-and-hole 72, be located on the working face 11 of bracing frame 1, all the other two is the first pin-and-hole 73 and the second pin-and-hole 74, is through hole, and the first pin-and-hole 73 and the second pin-and-hole 74 are symmetrical with respect to rotating shaft 2.At bent axle 4, erect and put before rotation, the first pin-and-hole 73 is corresponding with back shaft pin-and-hole 72 positions, and bent axle 4 is in vertical plane after Rotate 180 ゜, and the second pin-and-hole 74 is corresponding with back shaft pin-and-hole 72 positions.
When the present embodiment is used, first the two ends of bent axle 4 are connected to respectively in the V-shaped groove of fixed block 51 of rotating shaft both sides Shang Xia 2, the position of adjusting bent axle 4 two ends clampings makes the working face of axial location piece 6 contact with bent axle 4 shaft neck thrust faces, by hold-down mechanism 52, contacted with bent axle 4 outer peripheral faces again, complete the fixing of bent axle 4.Then pin rod 71 is inserted in back shaft pin-and-hole 72 and the first pin-and-hole 73 follower plate 3 is positioned, tight a bolt to guarantee that working face 11, back shaft pin-and-hole 72 and first pin-and-hole 73 of follower plate 3, back shaft 1 closely cooperates.Then by machining tool, the end face that is positioned at rotating shaft 2 tops of bent axle 4 is processed.After machining, unclamp bolt, extract pin rod 71, fixed mechanism 5 on rotation rotating shaft 2 drive follower plates 3 and axial location piece 6 are so that bent axle 4 Rotate 180 ゜ in vertical plane, again pin rod 71 is inserted in back shaft pin-and-hole 72 and the second pin-and-hole 74, postrotational follower plate 3 is positioned, and after tighting a bolt, machining tool just can be processed the end face that is positioned at rotating shaft 2 tops of postrotational bent axle 4.
Because fixed block 51, axial location piece 6 are all fixed on follower plate in 3 height regulating tank 31, make said two devices can on follower plate 3, regulate position height separately, to be applicable to the bent axle 4 of different length, different axle journals.
Claims (9)
1. a crankshaft two end processing detent mechanism, is characterized in that: it comprises bracing frame (1), rotating shaft (2), follower plate (3), crankshaft fixing, wherein:
Bracing frame (1) can be fixed on ground, with the perpendicular working face (11) of putting;
Rotating shaft (2) level is located at the middle part of the working face (11) of bracing frame (1);
Follower plate (3) is perpendicular to be put, and is fixed on the working face (11) of the upper and close bracing frame (1) of rotating shaft (2); On follower plate (3), be fixed with for bent axle (4) being clamped and vertical fixing fixed mechanism (5); On follower plate (3), be also provided with that end face that is positioned at rotating shaft (2) top for keeping bent axle (4) at bent axle (4) with rotating shaft (2) in the forward and backward axial location piece (6) being positioned on sustained height of vertical plane Rotate 180 ゜; Between follower plate (3) and bracing frame (1), be also provided with the follower plate position-limit mechanism (7) for being fixed after follower plate (3) is rotated with rotating shaft (2);
Described follower plate (3) is upper, and in the both sides up and down of rotating shaft (2), level is provided with the height regulating tank (31) of vertical extension to being separated by respectively, and described fixed mechanism (5) and axial location piece (6) are all fixed in height regulating tank (31).
2. crankshaft two end processing detent mechanism according to claim 1, is characterized in that: fixed mechanism (5) comprises fixed block (51) and hold-down mechanism (52); Wherein:
Fixed block (51) is horizontally disposed with and stiff end is fixed in the height regulating tank (31) of follower plate (3), and the other end is free end; Between the free end of fixed block (51), with the penetrating V-shaped groove of above-below direction, the opening of V-arrangement is towards paralleling with follower plate (3), and two groove faces of the outer peripheral face of bent axle (4) and V-shaped groove are simultaneously tangent;
Described hold-down mechanism (52) is positioned at the free-ended outside of fixed block (51), and its inboard, can be tangent with bent axle (4) outer peripheral face with vertical clamping plane; The upper distance being useful between the free end of adjusting hold-down mechanism (52) and fixed block (51) of being with of hold-down mechanism (52) is so that the tangent fastener (53) of clamping plane and bent axle outer peripheral face.
3. crankshaft two end according to claim 2 is processed detent mechanism, it is characterized in that:
Described fastener (53) comprises screw rod and nut, and hold-down mechanism (52) is provided with slotted hole, and screw limiting is in slotted hole and can be slidably matched with slotted hole; It is upper that the stiff end of screw rod is fixed on follower plate (3), and the other end matches with nut through slotted hole.
4. according to the crankshaft two end processing detent mechanism described in claim 2 or 3, it is characterized in that: described fixed mechanism (5) is provided with two, lay respectively at the both sides up and down of rotating shaft (2).
5. according to the crankshaft two end processing detent mechanism described in any one in claim 1-3, it is characterized in that: described axial location piece (6) is at least provided with one, its one end is fixed in the height regulating tank (31) on follower plate (3), the other end is working end, the end face of working end is with working face, and working face comprises horizontal operation face and the vertical working face that rectangular dihedral angle distributes.
6. crankshaft two end according to claim 4 is processed detent mechanism, it is characterized in that: described axial location piece (6) is at least provided with one, its one end is fixed in the height regulating tank (31) on follower plate (3), the other end is working end, the end face of working end is with working face, and working face comprises horizontal operation face and the vertical working face that rectangular dihedral angle distributes.
7. according to the crankshaft two end processing detent mechanism described in any one in claim 1-3,6, it is characterized in that: described follower plate position-limit mechanism (7) comprises pin rod (71) and pin-and-hole group;
Described pin rod (71) is separate component, suitable with the pin-and-hole of pin-and-hole group;
Described pin-and-hole group comprises horizontally extending three pin-and-holes: wherein one is bracing frame pin-and-hole (72), is located on the working face (11) of bracing frame (1); All the other two is the first pin-and-hole (73) and the second pin-and-hole (74), be through hole, the first pin-and-hole (73) is located at respectively on follower plate (3) with the second pin-and-hole (74), symmetrical with respect to rotating shaft (2), when when put with bent axle is perpendicular respectively the position of the first pin-and-hole (73), the second pin-and-hole (74), an one end face lays respectively at top, below, bracing frame pin-and-hole (72) position is corresponding.
8. crankshaft two end processing detent mechanism according to claim 4, is characterized in that: described follower plate position-limit mechanism (7) comprises pin rod (71) and pin-and-hole group;
Described pin rod (71) is separate component, suitable with the pin-and-hole of pin-and-hole group;
Described pin-and-hole group comprises horizontally extending three pin-and-holes: wherein one is bracing frame pin-and-hole (72), is located on the working face (11) of bracing frame (1); All the other two is the first pin-and-hole (73) and the second pin-and-hole (74), be through hole, the first pin-and-hole (73) is located at respectively on follower plate (3) with the second pin-and-hole (74), symmetrical with respect to rotating shaft (2), when when put with bent axle is perpendicular respectively the position of the first pin-and-hole (73), the second pin-and-hole (74), an one end face lays respectively at top, below, bracing frame pin-and-hole (72) position is corresponding.
9. crankshaft two end processing detent mechanism according to claim 5, is characterized in that: described follower plate position-limit mechanism (7) comprises pin rod (71) and pin-and-hole group;
Described pin rod (71) is separate component, suitable with the pin-and-hole of pin-and-hole group;
Described pin-and-hole group comprises horizontally extending three pin-and-holes: wherein one is bracing frame pin-and-hole (72), is located on the working face (11) of bracing frame (1); All the other two is the first pin-and-hole (73) and the second pin-and-hole (74), be through hole, the first pin-and-hole (73) is located at respectively on follower plate (3) with the second pin-and-hole (74), symmetrical with respect to rotating shaft (2), when when put with bent axle is perpendicular respectively the position of the first pin-and-hole (73), the second pin-and-hole (74), an one end face lays respectively at top, below, bracing frame pin-and-hole (72) position is corresponding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210220756.8A CN102717275B (en) | 2012-06-29 | 2012-06-29 | Locating mechanism for machining two ends of crank shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210220756.8A CN102717275B (en) | 2012-06-29 | 2012-06-29 | Locating mechanism for machining two ends of crank shaft |
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| Publication Number | Publication Date |
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| CN102717275A CN102717275A (en) | 2012-10-10 |
| CN102717275B true CN102717275B (en) | 2014-03-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210220756.8A Active CN102717275B (en) | 2012-06-29 | 2012-06-29 | Locating mechanism for machining two ends of crank shaft |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103949922B (en) * | 2014-05-21 | 2016-01-06 | 成都西菱动力科技股份有限公司 | A kind of Rapid positioning locking fixture for camshaft processing |
| CN105333788A (en) * | 2015-12-14 | 2016-02-17 | 重庆凯西驿电子科技有限公司 | Gear shaft rapid detection mechanism |
| CN106181503A (en) * | 2016-08-31 | 2016-12-07 | 侯马市东鑫机械铸造有限公司 | A kind of air clamper of machining crankshafts dead eye |
| CN108620907A (en) * | 2018-03-28 | 2018-10-09 | 江苏泰隆减速机股份有限公司 | A kind of tricyclic bent axle drill jig |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0724678A (en) * | 1993-07-13 | 1995-01-27 | Teijin Seiki Co Ltd | Working system |
| JPH0911170A (en) * | 1995-06-28 | 1997-01-14 | Mitsubishi Electric Corp | Phase adjusting device for crankshaft |
| CN100494656C (en) * | 2006-06-28 | 2009-06-03 | 王全峰 | Improved engine crankshaft position limiter |
| KR100855778B1 (en) * | 2007-03-30 | 2008-09-01 | 서동우 | Fixing apparatus using magnetic |
| CN101352811B (en) * | 2008-09-09 | 2011-01-12 | 福群电子(深圳)有限公司 | Clamping fixture |
| CN201320690Y (en) * | 2008-10-31 | 2009-10-07 | 江苏罡阳股份有限公司 | Crankshaft slotting bidirectional positioning fixture |
| CN101762389A (en) * | 2008-11-28 | 2010-06-30 | 天润曲轴股份有限公司 | Positioning device for crankshaft checking bracket |
| CN101439473B (en) * | 2008-12-15 | 2010-09-29 | 镁联科技（芜湖）有限公司 | Chucking appliance for processing multiple finish surfaces of workpiece by rotating positioning and operation method thereof |
| CN201320689Y (en) * | 2008-12-30 | 2009-10-07 | 宁波祥瑞机械有限公司 | Cramping apparatus for crankshaft milling key groove |
| CN201676919U (en) * | 2010-05-25 | 2010-12-22 | 东风汽车有限公司 | Micro-deformation corrector for crankshaft forging stock |
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2012
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Effective date of registration: 20191226 Address after: 314200 north side of Rongrong Road, east side of Pingshan Avenue, Pinghu Economic and Technological Development Zone, Jiaxing City, Zhejiang Province Patentee after: Pinghu branch of Great Wall Motor Co., Ltd Address before: 071000 No. 2266 Chaoyang South Street, Hebei, Baoding Patentee before: Changcheng Automobile Co., Ltd. |