CN204248482U - A kind of connecting rod Compound Machining fixture - Google Patents
A kind of connecting rod Compound Machining fixture Download PDFInfo
- Publication number
- CN204248482U CN204248482U CN201420690006.1U CN201420690006U CN204248482U CN 204248482 U CN204248482 U CN 204248482U CN 201420690006 U CN201420690006 U CN 201420690006U CN 204248482 U CN204248482 U CN 204248482U
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- end cap
- major part
- microcephaly
- connecting rod
- locating
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Abstract
The utility model discloses a kind of connecting rod Compound Machining fixture, comprise the clamp body of symmetrical configuration, the riser that clamp body comprises horizontally disposed base and is vertical on base, positioning clamping device is provided with in riser bilateral symmetry, positioning clamping device comprises microcephaly's clamping district of the circle of placing small end of connecting rod and places the major part clamping district of big end, end cap clamping district is also provided with in the side in major part clamping district, the major part locating pad in microcephaly's locating pad in small end of connecting rod clamping district and microcephaly's locating shaft and big end clamping district, the six-freedom degree of locating piece and the common limiting rod of major part pressing plate, connecting rod is thoroughly fixed on clamp body, the end cap locating pad in end cap clamping district, end cap first locating piece, end cap is thoroughly fixed on clamp body by end cap second locating piece location and major part pressing plate.This fixture makes only to use this fixture in Machining of Connecting Rod process, completes the processing of multiple operation, avoids clamping cumulative errors as far as possible, and improve working (machining) efficiency.
Description
Technical field
The utility model relates to engine link processing and loading clamp technical field, specifically a kind of connecting rod Compound Machining fixture.
Background technology
The effect of connecting rod is that the power of being born by piston passes to bent axle, and makes the reciprocating motion of piston change the rotary motion of bent axle into, and be the core component of diesel engine, the quality of connecting rod directly affects overall performance.
Connecting rod, in processing initial stage, need be processed multiple black skin, such as: first process big end duplicate removal face end face, R arc side, then rough mill bolt face, R arc side, carry out roughing.Because machined surface is more, and position distribution, shape are all different, all bring certain difficulty to the formulation of process program, Fixture Design and selecting of cutter; In substep process, to workpiece multiple clamping, the accumulation of error to be caused, increase difficulty to the quality assurance of product; Meanwhile, the processing of multitask sequence substep, reduces production efficiency, increases the cost of equipment, personnel and frock.
Summary of the invention
Technical problem to be solved in the utility model is: provide a kind of connecting rod Compound Machining fixture, makes only to use this fixture in Machining of Connecting Rod process, completes the processing of multiple operation, to reduce clamping accumulated error and to improve working (machining) efficiency.
For solving the problems of the technologies described above, the technical solution of the utility model is: a kind of connecting rod Compound Machining fixture, comprise: the clamp body of symmetrical configuration, the riser that described clamp body comprises horizontally disposed base and is vertical on described base, at least on a side of described riser, be provided with positioning clamping device, described positioning clamping device comprises microcephaly's clamping district of the circle for placing small end of connecting rod and the major part clamping district for placing big end, the circle centre position in described microcephaly's clamping district is provided with through hole, described through hole interference is connected with microcephaly's locating shaft, described microcephaly's clamping district is also installed with microcephaly's locating pad,
The side in described major part clamping district is provided with the major part locating pad be fixedly connected with described major part clamping district, the outside of described major part locating pad is provided with the screw rod running through described riser, the tail end of described screw rod is provided with the major part pressing plate by fastening nuts, the side of described major part locating pad is provided with the major part locating piece for fitting with the side of described big end, and described major part locating piece is fixedly connected with described riser;
End cap clamping district is also provided with at the opposite side in described major part clamping district, the outside in described end cap clamping district is provided with the end cap locating pad be fixedly connected with described end cap clamping district, the outside of described end cap locating pad is provided with the screw rod running through described riser, the tail end of described screw rod is provided with the end cap pressing plate by fastening nuts, the side of described end cap locating pad is provided with end cap second locating piece of fitting with the side of described end cap, described end cap second locating piece is fixedly connected with described riser, the bottom of described end cap is provided with end cap first locating piece of fitting with the bonnet bolt face of described end cap.
Improve as one, in the through hole in described microcephaly's clamping district, be provided with the microcephaly's axle sleeve be connected with described through hole interference; The limit shaft that described microcephaly's locating shaft comprises fixed axis and is fixedly connected with described fixed axis, described fixed axis is connected with the inner cylinder face interference of described microcephaly's axle sleeve.
Improve as one, the plane that described microcephaly's locating pad and described major part locating pad contact with described connecting rod at grade.
Improve as one, two sides of described riser are arranged with described positioning clamping device.
Owing to have employed technique scheme, the beneficial effects of the utility model are:
Due to the symmetrical configuration of clamp body, the riser that clamp body comprises horizontally disposed base and is vertical on described base, riser is provided with positioning clamping device, positioning clamping device comprises microcephaly's clamping district of the circle for placing small end of connecting rod, circular microcephaly's clamping district circle centre position is provided with through hole, in through hole, there is the microcephaly's axle sleeve be connected with through hole interference, be connected with the fixed axis interference of microcephaly's locating shaft with the inner cylinder face of microcephaly's axle sleeve; During use, the microcephaly of connecting rod is set on the limit shaft of microcephaly's locating shaft, connecting rod only can be rotated around microcephaly's locating shaft; Riser also comprises the major part clamping district for placing big end, and the side of big end is provided with the locating piece of fitting with big end, and locating piece is fixedly mounted on on riser, so just limits big end and rotates around microcephaly's locating shaft; Major part clamping district is also provided with the screw rod running through riser, and be provided with the major part pressing plate compressing big end in the end of screw rod, screw rod is provided with nut, fastening nut, and big end is fixed by pressing plate.
Microcephaly's clamping district and major part clamping district are respectively provided with the microcephaly's locating pad and major part locating pad that are fixedly connected with, the use of microcephaly's locating pad and major part locating pad, make small end of connecting rod and big end in same plane.
Microcephaly's locating pad of small end of connecting rod and microcephaly's locating shaft, the major part locating pad of big end, the locating piece of big end side and the six-freedom degree of the common limiting rod of major part pressing plate, be thoroughly fixed on connecting rod on riser.
End cap clamping district is also provided with in the side in major part clamping district, the side of end cap is provided with end cap second locating piece of fitting with the side of end cap, end cap second locating piece is fixedly mounted on the end cap second locating piece base that is fixedly connected with end cap clamping district, end cap clamping district is also provided with the screw rod running through riser, the end of screw rod is provided with the end cap pressing plate for compressing end cap, thoroughly end cap is fixedly connected on riser, simultaneously, end cap clamping district is also provided with end cap locating pad, to ensure the flatness of end cap, the bonnet bolt face of end cap is located with end cap first locating piece, end cap first locating piece is fixedly connected on riser.
Add man-hour, clamping fixture is put into lathe, first process the duplicate removal face end face of big end, R arc side, then bolt face, R arc side is rough milled, the con-rod only of connecting rod and end cap are cut open, lathe suspends, and installation site got back to by workpiece again, by end cap using the side-locating face of the end face of end cap, end cap and bonnet bolt face as locating surface, by end cap clamping in end cap clamping district.Then the cut surface of end cap is rough milled, finish-milling cut surface, brill, expansion, hinge, tapping thread hole, brill, hinge pin hole; Make only to use this fixture in Machining of Connecting Rod process, complete the processing of multiple operation, the minimizing of clamping times, avoid clamping cumulative errors as far as possible, and improve working (machining) efficiency.
This clamp structure is symmetrical, and the both sides of riser are provided with symmetrical positioning clamping device, to improve the usage quantity of working (machining) efficiency and minimizing fixture, reduces costs.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is further illustrated.
Fig. 1 is the structural representation of the clamp body of the utility model embodiment;
Fig. 2 is the left view of Fig. 1;
Fig. 3 is the structural representation of microcephaly's locating shaft of the utility model embodiment;
Fig. 4 is the structural representation of the major part locating pad of the utility model embodiment;
Fig. 5 is the top view of Fig. 4;
Fig. 6 is the using state figure of the utility model embodiment;
Fig. 7 is the left view of Fig. 6;
In figure: 1-clamp body; 1d-base; 1e-riser; 1a-microcephaly clamping district; 1b-major part clamping district; 1c-end cap clamping district; 2-connecting rod; 21-end cap; 22-con-rod only; 3-circular saw blade; 4-microcephaly locating pad; 5-microcephaly axle sleeve; 6-microcephaly locating shaft; 61-fixed axis; 62-limit shaft; 7-major part locating pad; 8-locating piece; 9-locating piece base; 10-major part pressing plate; 11-screw rod; 12-end cap first locating piece; 13-end cap first locating piece base; 14-end cap second locating piece; 15-end cap second locating piece base; 16-end cap pressing plate.
Detailed description of the invention
Below by embodiment and accompanying drawing, the utility model is described in further detail.
As shown in Figure 1, Figure 2, shown in Fig. 6 and Fig. 7, a kind of connecting rod Compound Machining fixture, the clamp body 1 of pack arrangement symmetry, the riser 1e that clamp body 1 comprises horizontally disposed base 1d and is vertical on base 1d.
Riser 1e is provided with positioning clamping device, positioning clamping device comprises microcephaly's clamping district 1a of the circle for placing connecting rod 2 microcephaly, the circle centre position of circular microcephaly's clamping district 1a is provided with the through hole running through riser 1e, the microcephaly's axle sleeve 5 be connected with the interference of through hole inner cylinder face is provided with in through hole, the inner cylinder face of microcephaly's axle sleeve 5 is connected with fixed axis 61 interference of microcephaly's locating shaft 6, as shown in Figure 3, microcephaly's locating shaft 6 also comprises the limit shaft 62 be fixedly connected with fixed axis 61, connecting rod 2 microcephaly is set on limit shaft 62, connecting rod 2 microcephaly only can be rotated around limit shaft 62.
Riser 1e also comprises the major part clamping district 1b for placing connecting rod 2 major part, the side of connecting rod 2 major part is provided with the locating piece 8 rotated around connecting rod 2 microcephaly for limiting rod 2, locating piece 8 is threaded on locating piece base 9, and locating piece base 9 and riser 1e are fixed together; The outside of major part clamping district 1b is provided with the through hole of through riser 1e, and through hole internal thread is connected with screw rod 11, and be provided with the major part pressing plate 10 compressing connecting rod 2 major part in the end of screw rod 11, screw rod 11 is provided with nut, fastening nut, and connecting rod 2 major part is fixed by major part pressing plate 10.
Microcephaly's clamping district 1a is provided with the microcephaly's locating pad 4 mated with connecting rod 2 microcephaly, and microcephaly's locating pad 4 is fixedly connected with riser 1e; Major part clamping district 1b is provided with the major part locating pad 7 mated with connecting rod 2 major part, major part locating pad 7 is fixedly connected with riser 1e, the surface that microcephaly's locating pad 4 contacts with connecting rod 2 with major part locating pad 7 is polished surface, microcephaly for the major part and connecting rod 2 that ensure connecting rod 2 is positioned at same plane, to ensure the quality of processing when clamping.
Microcephaly's locating pad 4 of connecting rod 2 microcephaly and microcephaly's locating shaft 6, the major part locating pad 7 of connecting rod 2 major part, the six-freedom degree of the locating piece 8 of connecting rod 2 major part side and the common limiting rod 2 of major part pressing plate 10, is thoroughly fixed on connecting rod 2 on riser 1e.
Riser 1e is also provided with end cap clamping district 1c in the side of major part clamping district 1b, end cap second locating piece 14 that restriction end cap 21 rotates is provided with in the side of end cap 21, end cap second locating piece 14 is threaded on end cap second locating piece base 15, and end cap second locating piece base 15 and riser 1e are fixed together, the outside of end cap clamping district 1c is provided with the through hole of through riser 1e, through hole internal thread is connected with screw rod 11, the end cap pressing plate 16 for compressing end cap 21 is provided with in the end of screw rod 11, screw rod 11 is provided with nut, fastening nut, end cap 21 is thoroughly fixed by end cap pressing plate 16, end cap clamping district 1c is also provided with end cap locating pad, to ensure the flatness of end cap 21, the end face of end cap 21 is located with end cap locating pad, side is located with end cap second locating piece 14, the bonnet bolt face of end cap 21 is located with end cap first locating piece 12, end cap first locating piece 12 is threaded on end cap first locating piece base 13, end cap first locating piece base 13 is fixedly connected on riser 1e.
Because end cap second locating piece 14 is for locating the side of end cap 21, locating piece 8 is for locating the side of connecting rod 2 major part, be more or less the same sized by two locating surfaces, the plane that shape is similar, therefore end cap second locating piece 14 and locating piece 8 are designed to identical locating piece, end cap second locating piece base 15 and locating piece 8 base designs are identical base.The inner arc surface of end cap 21 is identical with the radius of the inner arc surface of connecting rod 2 major part, and end cap 21 is more or less the same similar with shape with connecting rod 2 major part size, therefore end cap locating pad and major part locating pad 7 are designed to identical locating pad, major part pressing plate 10 is identical with the structure of end cap pressing plate 16.
Locating piece base 9 and end cap first locating piece base 13 are provided with counter sink and pin-and-hole, accordingly, riser 1e is provided with the screwed hole corresponding with counter sink and the riser pin-and-hole corresponding with pin-and-hole, during installation, first with alignment pin, locating piece base 9 and end cap first locating piece base 13 are located on riser 1e, then with screw, locating piece base 9 and end cap first locating piece base 13 are fixed on riser 1e; First locate, rear fixing installation way, ensure the high accuracy of clamping.As shown in Figure 4 and Figure 5, major part locating pad 7 is provided with several counter sinks, and major part locating pad 7 is fixed on riser 1e by counter sink by screw, and the head of a nail of screw, completely in counter sink, designs like this, ensures the flatness of major part locating pad 7 and connecting rod 2 phase-contact surface.
Add man-hour, clamping fixture is put into lathe, first processes the duplicate removal face end face of connecting rod 2 major part, R arc side, then rough mill bolt face, R arc side, with circular saw blade 3, the con-rod only 22 of connecting rod 2 and end cap 21 are cut open again, cut open rear connected component and only have 0.3-0.5mm.At this moment lathe suspend, installation site got back to by workpiece, operator with hand by con-rod only 22 and end cap 21 disassemble.Using the side-locating face of the end face of end cap 21, end cap 21 and bonnet bolt face as locating surface, by end cap 21 Set and Positioning.Then the cut surface of end cap 21 is rough milled, finish-milling cut surface, brill, expansion, hinge, tapping thread hole, brill, hinge pin hole.
In sum, only use this fixture in connecting rod 2 process, complete the processing of multiple operation, the minimizing of clamping times, avoid clamping cumulative errors as far as possible, and improve working (machining) efficiency.
This clamp structure is symmetrical, and the both sides of clamp body are provided with symmetrical positioning clamping device, can improve working (machining) efficiency like this, reduce the usage quantity of fixture and reduce costs.
Above-described embodiment is for explaining the utility model, and not should be understood to be to restriction of the present utility model.All many variations made based on design of the present utility model, all will fall within protection domain of the present utility model.
Claims (4)
1. a connecting rod Compound Machining fixture, it is characterized in that, comprise: the clamp body of symmetrical configuration, the riser that described clamp body comprises horizontally disposed base and is vertical on described base, at least on a side of described riser, be provided with positioning clamping device, described positioning clamping device comprises microcephaly's clamping district of the circle for placing small end of connecting rod and the major part clamping district for placing big end, the circle centre position in described microcephaly's clamping district is provided with through hole, described through hole interference is connected with microcephaly's locating shaft, and described microcephaly's clamping district is also installed with microcephaly's locating pad;
The side in described major part clamping district is provided with the major part locating pad be fixedly connected with described major part clamping district, the outside of described major part locating pad is provided with the screw rod running through described riser, the tail end of described screw rod is provided with the major part pressing plate by fastening nuts, the side of described major part locating pad is provided with the major part locating piece for fitting with the side of described big end, and described major part locating piece is fixedly connected with described riser;
End cap clamping district is also provided with at the opposite side in described major part clamping district, the outside in described end cap clamping district is provided with the end cap locating pad be fixedly connected with described end cap clamping district, the outside of described end cap locating pad is provided with the screw rod running through described riser, the tail end of described screw rod is provided with the end cap pressing plate by fastening nuts, the side of described end cap locating pad is provided with end cap second locating piece of fitting with the side of described end cap, described end cap second locating piece is fixedly connected with described riser, the bottom of described end cap is provided with end cap first locating piece of fitting with the bonnet bolt face of described end cap.
2. a kind of connecting rod Compound Machining fixture as claimed in claim 1, is characterized in that, is provided with the microcephaly's axle sleeve be connected with described through hole interference in the through hole in described microcephaly's clamping district; The limit shaft that described microcephaly's locating shaft comprises fixed axis and is fixedly connected with described fixed axis, described fixed axis is connected with the inner cylinder face interference of described microcephaly's axle sleeve.
3. a kind of connecting rod Compound Machining fixture as claimed in claim 1, is characterized in that, the plane that described microcephaly's locating pad and described major part locating pad contact with described connecting rod at grade.
4. a kind of connecting rod Compound Machining fixture as described in any one of claim 1-3, is characterized in that, two sides of described riser are arranged with described positioning clamping device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420690006.1U CN204248482U (en) | 2014-11-18 | 2014-11-18 | A kind of connecting rod Compound Machining fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420690006.1U CN204248482U (en) | 2014-11-18 | 2014-11-18 | A kind of connecting rod Compound Machining fixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204248482U true CN204248482U (en) | 2015-04-08 |
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ID=52952833
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420690006.1U Active CN204248482U (en) | 2014-11-18 | 2014-11-18 | A kind of connecting rod Compound Machining fixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204248482U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106975949A (en) * | 2016-01-19 | 2017-07-25 | 成都鸿泰机械有限公司 | Drilling tool for the connecting rod of automobile engine transmission system |
| CN109108751A (en) * | 2018-10-12 | 2019-01-01 | 青岛锦瑞特园林工具有限公司 | Connecting rod pin hole Refining apparatus and Production of Crankshaft technique |
-
2014
- 2014-11-18 CN CN201420690006.1U patent/CN204248482U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106975949A (en) * | 2016-01-19 | 2017-07-25 | 成都鸿泰机械有限公司 | Drilling tool for the connecting rod of automobile engine transmission system |
| CN106975949B (en) * | 2016-01-19 | 2019-01-01 | 成都鸿泰机械有限公司 | The drilling tool of connecting rod for automobile engine transmission system |
| CN109108751A (en) * | 2018-10-12 | 2019-01-01 | 青岛锦瑞特园林工具有限公司 | Connecting rod pin hole Refining apparatus and Production of Crankshaft technique |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210319 Address after: 261000 north of Xishou Road, Qinglonghu Road, Anqiu Economic Development Zone, Weifang City, Shandong Province Patentee after: Shandong Shengxiang Power Co.,Ltd. Address before: 261205 No.518 Shengrui street, east of Wei'an Road, high tech Development Zone, Weifang City, Shandong Province Patentee before: SHENGRUI TRANSMISSION Co.,Ltd. |