CN103707145A - Machine tool used for polishing crankshaft main journal - Google Patents
Machine tool used for polishing crankshaft main journal Download PDFInfo
- Publication number
- CN103707145A CN103707145A CN201310748365.8A CN201310748365A CN103707145A CN 103707145 A CN103707145 A CN 103707145A CN 201310748365 A CN201310748365 A CN 201310748365A CN 103707145 A CN103707145 A CN 103707145A
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- CN
- China
- Prior art keywords
- crankshaft
- polishing
- mount pad
- motor
- sand ribbon
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B21/00—Machines or devices using grinding or polishing belts; Accessories therefor
- B24B21/02—Machines or devices using grinding or polishing belts; Accessories therefor for grinding rotationally symmetrical surfaces
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/06—Work supports, e.g. adjustable steadies
- B24B41/061—Work supports, e.g. adjustable steadies axially supporting turning workpieces, e.g. magnetically, pneumatically
- B24B41/062—Work supports, e.g. adjustable steadies axially supporting turning workpieces, e.g. magnetically, pneumatically between centres; Dogs
Abstract
A machine tool used for polishing a crankshaft main journal comprises a clamping mechanism and a polishing mechanism. A crankshaft is directly placed on the machine tool, a first tapered ejector pin and a second tapered ejector pin are inserted in tapered counter bores in the two ends of the crankshaft, the crankshaft is clamped through two clamping blocks, and a poking rod is adopted for poking the crankshaft to polish the crankshaft main journal in a rotating mode. In the polishing process, a sand strip traction motor drives a sand strip to move forward, and the motor drives an installing base to slide along a slide rail back and forth, so that the crankshaft main journal is polished through the sand strip. When polished, the crankshaft is directly placed on a first positioning brace and a second positioning brace, the first tapered ejector pin and the second tapered ejector pin are inserted in the tapered counter bores in the two ends of the crankshaft to clamp the crankshaft, it is avoided that clamp marks are prone to appearing on the crankshaft by the adoption of an existing crankshaft clamping technology, follow-up polishing clamping impressions are avoided, the efficiency of polishing the crankshaft is improved, people do not need to clamp and fix the crankshaft manually, and the automation degree is high.
Description
Technical field
The present invention relates to lathe, particularly a kind of trunnion polishing lathe of bent axle.
Background technology
The trunnion of bent axle could assemble use after need to polishing.The polishing machine tool that the trunnion polishing of existing bent axle is used need to be fixed on bent axle people on lathe by hand, then starts polishing, and grinding efficiency is low, and mechanical automation degree is not high.
Summary of the invention
For above-mentioned technical problem, the invention provides a kind of grinding efficiency high, the trunnion polishing lathe that automaticity is high.
To achieve these goals, the technical solution used in the present invention is as follows:
A trunnion polishing lathe for bent axle, is characterized in that, comprises clamp mechanism and workpiece polishing mechanism;
Described clamp mechanism comprises base, this base upper surface is installed with stiff end one and stiff end two, described stiff end one and stiff end two inner sides are relative taper thimble one and the taper thimble two of being provided with respectively, the axis of described taper thimble one and taper thimble two overlaps, motor and this motor are also installed on described stiff end one and stir the driving lever of crankshaft rotating, on described stiff end two, be also provided with for driving described taper thimble two to clamp or unclamp the cylinder of bent axle;
Described workpiece polishing mechanism comprises slide rail, on this slide rail, be slidably fitted with mount pad, on this mount pad, support bar is installed, this support bar top is provided with contiguous block, the upper and lower of described contiguous block is connected with a transverse slat by a movable rod respectively, the front portion of two transverse slats is provided with the hole that pull bar passes, the rear portion of this pull bar is through the anterior hole of described transverse slat, the front portion of this pull bar is provided with fixture block, upper and lower two fixture blocks are symmetrical arranged up and down, on described pull bar, be set with spring, the inner side of each fixture block is provided with one and clamps fixed block, this clamps and on fixed block, all has a semi-circular recesses, two clamp fixed block and are symmetrical arranged, inner side at described fixture block is also provided with journal stirrup, this journal stirrup is connected with stayed pole by rotating shaft, the rear end of this stayed pole is rotationally connected cross bar, this cross bar connects the front portion of described contiguous block by rotating shaft, the rear portion of described contiguous block is connected with the first cylinder for affecting described contiguous block to retreat or moving forward,
The transverse slat top on top is provided with sand ribbon disc carrier, sand ribbon dish is installed on this sand ribbon disc carrier, on the dish of this sand ribbon, be wound with sand ribbon, the fixed block on top is walked around successively in described sand ribbon, be connected with the line shaft of sand ribbon tractive motor after runner, the journal stirrup of bottom and the fixed block of bottom on the journal stirrup on top, contiguous block;
The sidepiece of described mount pad is provided with the motor for driving mount pad to slide along described slide rail.
Middle part, described mount pad side is connected with one end of a bar, the other end one of this bar is provided with " U " shaped frame, the opening of this " U " shaped frame is described mount pad dorsad, at this U " opening of shaped frame is connected with a rocking lever by rotating shaft; and in the rotating shaft of described motor, rotating disk is installed; rotation fixed axis is installed on this rotating disk, this rotation fixed axis and rocking lever are rotationally connected, and the rotating shaft of described rotation fixed axis and described motor is not on same axis.
Beneficial effect of the present invention:
The trunnion polishing lathe of bent axle, comprise clamp mechanism and workpiece polishing mechanism, directly bent axle is placed on lathe, taper thimble one and taper thimble two insert in the taper counterbore of crankshaft two end, two fixture blocks are clamped bent axle, adopt driving lever to stir the trunnion of crankshaft rotating polishing bent axle.During polishing, advance in tractive driven by motor sand ribbon, sand ribbon, and driven by motor mount pad slidably reciprocates along slide rail, realizes the trunnion polishing of sand ribbon to bent axle.
During polishing bent axle, directly bent axle is placed in positioning pillars one and positioning pillars two, the taper counterbore that taper thimble one and taper thimble two insert crankshaft two end adds bent axle to hold, easily easily there is catcher mark in the bent axle of having avoided existing bent axle clamping technology to cause, avoid follow-up polishing to add and held impression, improved the grinding efficiency of bent axle, and manual adding held fixed crankshaft without people, automaticity is high.
Accompanying drawing explanation
Fig. 1 is the structural representation of clamp mechanism of the present invention;
Fig. 2 is the structural representation of workpiece polishing mechanism of the present invention;
Fig. 3 is the drive connection structural representation of motor 21 and mount pad 7.
The specific embodiment
Below in conjunction with specific embodiment, the present invention is described in further detail.
As shown in Figure 1 to Figure 3, a kind of trunnion polishing lathe of bent axle, comprises clamp mechanism and workpiece polishing mechanism;
Described clamp mechanism comprises base, this base upper surface is installed with stiff end 1 and stiff end 22, described stiff end 1 and stiff end 22 inner sides are relative taper thimble 1 and the taper thimble 24 of being provided with respectively, the axis of described taper thimble 1 and taper thimble 24 overlaps, motor and this motor are also installed on described stiff end 1 and stir the driving lever 30 of crankshaft rotating, on described stiff end 22, be also provided with for driving described taper thimble 24 to clamp or unclamp the cylinder 5 of bent axle;
Described workpiece polishing mechanism comprises slide rail 6, on this slide rail 6, be slidably fitted with mount pad 7, on this mount pad 7, support bar 8 is installed, these support bar 8 tops are provided with contiguous block 9, the upper and lower of described contiguous block 9 is connected with a transverse slat 11 by a movable rod 10 respectively, the front portion of two transverse slats 11 is provided with the hole that pull bar 12 passes, the rear portion of this pull bar 12 is through the anterior hole of described transverse slat 11, the front portion of this pull bar 12 is provided with fixture block 13, upper and lower two fixture blocks 13 are symmetrical arranged up and down, on described pull bar 12, be set with spring 14, the inner side of each fixture block 13 is provided with one and clamps fixed block 15, this clamps and on fixed block 15, all has a semi-circular recesses, two clamp fixed block 15 and are symmetrical arranged, inner side at described fixture block 13 is also provided with journal stirrup 17, this journal stirrup 17 is connected with stayed pole 18 by rotating shaft, the rear end of this stayed pole 18 is rotationally connected cross bar 19, this cross bar 19 connects the front portion of described contiguous block 9 by rotating shaft, the rear portion of described contiguous block 9 is connected with the first cylinder 20 for affecting described contiguous block 9 to retreat or moving forward,
The sidepiece of described mount pad 7 is provided with the motor 21 for driving mount pad 7 to slide along described slide rail 6.
Described mount pad 7 middle parts, side are connected with one end of a bar, the other end one of this bar is provided with " U " shaped frame, the opening of this " U " shaped frame is described mount pad 7 dorsad, at this U " opening of shaped frame is connected with a rocking lever 27 by rotating shaft; and in the rotating shaft of described motor 21, rotating disk is installed; rotation fixed axis is installed on this rotating disk, this rotation fixed axis and rocking lever 27 are rotationally connected, and the rotating shaft of described rotation fixed axis and described motor 21 is not on same axis.
The trunnion polishing lathe of bent axle, comprise clamp mechanism and workpiece polishing mechanism, directly bent axle is placed on lathe, taper thimble 1 and taper thimble 24 insert in the taper counterbore of crankshaft two end, two fixture blocks 13 are clamped bent axle, adopt driving lever 30 to stir the trunnion of crankshaft rotating polishing bent axle.During polishing, sand ribbon tractive motor 26 drives sand ribbon to advance, and motor 21 drives mount pad 7 to slidably reciprocate along slide rail, realizes the trunnion polishing of sand ribbon to bent axle.
During polishing bent axle, directly bent axle is placed in positioning pillars one and positioning pillars two, the taper counterbore that taper thimble 1 and taper thimble 24 insert crankshaft two end adds bent axle to hold, easily easily there is catcher mark in the bent axle of having avoided existing bent axle clamping technology to cause, avoid follow-up polishing to add and held impression, improved the grinding efficiency of bent axle, and manual adding held fixed crankshaft without people, automaticity is high.
The above embodiment of the present invention is to be only explanation example of the present invention, and is not the restriction to embodiments of the present invention.For those of ordinary skill in the field, can also make on the basis of the above description other multi-form variation and changes.Here cannot give all embodiments exhaustive.Every still row in protection scope of the present invention of apparent variation that technical scheme of the present invention amplifies out or change that belong to.
Claims (2)
1. a trunnion polishing lathe for bent axle, is characterized in that, comprises clamp mechanism and workpiece polishing mechanism;
Described clamp mechanism comprises base, this base upper surface is installed with stiff end one (1) and stiff end two (2), described stiff end one (1) and stiff end two (2) inner sides are relative taper thimble one (3) and the taper thimble two (4) of being provided with respectively, the axis of described taper thimble one (3) and taper thimble two (4) overlaps, motor and this motor are also installed on described stiff end one (1) and stir the driving lever (30) of crankshaft rotating, on described stiff end two (2), be also provided with for driving described taper thimble two (4) to clamp or unclamp the cylinder (5) of bent axle, the positioning pillars one (28) and the positioning pillars two (29) that are positioned between described taper thimble one (3) and taper thimble two (4) are also installed on base,
Described workpiece polishing mechanism comprises slide rail (6), on this slide rail (6), be slidably fitted with mount pad (7), support bar (8) is installed on this mount pad (7), this support bar (8) top is provided with contiguous block (9), the upper and lower of described contiguous block (9) is connected with a transverse slat (11) by a movable rod (10) respectively, the front portion of two transverse slats (11) is provided with the hole that pull bar (12) passes, the rear portion of this pull bar (12) is through the anterior hole of described transverse slat (11), the front portion of this pull bar (12) is provided with fixture block (13), upper and lower two fixture blocks (13) are symmetrical arranged up and down, on described pull bar (12), be set with spring (14), the inner side of each fixture block (13) is provided with one and clamps fixed block (15), this clamps and on fixed block (15), all has a semi-circular recesses, two clamp fixed block (15) and are symmetrical arranged, in the inner side of described fixture block (13), journal stirrup (17) is also installed, this journal stirrup (17) is connected with stayed pole (18) by rotating shaft, the rear end of this stayed pole (18) is rotationally connected cross bar (19), this cross bar (19) connects the front portion of described contiguous block (9) by rotating shaft, the rear portion of described contiguous block (9) is connected with the first cylinder (20) for affecting described contiguous block (9) to retreat or moving forward,
The transverse slat on top (11) top is provided with sand ribbon disc carrier (22), sand ribbon dish (23) is installed on this sand ribbon disc carrier (22), on this sand ribbon dish (23), be wound with sand ribbon (24), described sand ribbon (24) walk around successively the fixed block (15) on top, runner (25), the journal stirrup (17) of bottom and the fixed block (15) of bottom on the journal stirrup (17) on top, contiguous block (9) are connected with the line shaft of sand ribbon tractive motor (26) afterwards;
The sidepiece of described mount pad (7) is provided with the motor (21) for driving mount pad (7) to slide along described slide rail (6).
2. the trunnion polishing lathe of bent axle according to claim 1, it is characterized in that, middle part, described mount pad (7) side is connected with one end of a bar, the other end one of this bar is provided with " U " shaped frame, the opening of this " U " shaped frame is described mount pad (7) dorsad, at this U " opening of shaped frame is connected with a rocking lever (27) by rotating shaft, in the rotating shaft of described motor (21), rotating disk is installed, rotation fixed axis is installed on this rotating disk, this rotation fixed axis and rocking lever (27) are rotationally connected, the rotating shaft of described rotation fixed axis and described motor (21) is not on same axis.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310748365.8A CN103707145B (en) | 2013-12-31 | 2013-12-31 | The trunnion polishing lathe of bent axle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310748365.8A CN103707145B (en) | 2013-12-31 | 2013-12-31 | The trunnion polishing lathe of bent axle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103707145A true CN103707145A (en) | 2014-04-09 |
| CN103707145B CN103707145B (en) | 2015-12-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310748365.8A Active CN103707145B (en) | 2013-12-31 | 2013-12-31 | The trunnion polishing lathe of bent axle |
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| Country | Link |
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| CN (1) | CN103707145B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109176275A (en) * | 2018-11-08 | 2019-01-11 | 山东宏旺实业有限公司 | A kind of back lining bearing grinding device |
| CN114378656A (en) * | 2022-01-12 | 2022-04-22 | 青岛迈特园林机械零部件有限公司 | Crank grinding device and machining method |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1360534A (en) * | 1999-04-30 | 2002-07-24 | 埃尔温·容克尔机械制造有限公司 | Rough-griding and finish-grinding crankshaft in clamping |
| US7794306B2 (en) * | 2003-02-12 | 2010-09-14 | Nissan Motor Co., Ltd. | Surface finishing apparatus and related method |
| CN201872019U (en) * | 2010-08-31 | 2011-06-22 | 重庆美心米勒曲轴股份有限公司 | Journal polishing device of gasoline engine crankshaft |
| CN202479905U (en) * | 2012-03-13 | 2012-10-10 | 固耐重工（苏州）有限公司 | Crankshaft grinder |
| CN202639903U (en) * | 2012-05-29 | 2013-01-02 | 重庆歇马机械曲轴有限公司 | Turning fixture for crankshaft |
| CN103372791A (en) * | 2012-04-13 | 2013-10-30 | 德国索菲纳有限公司 | Method and device for finishing workpiece surface |
| CN203804694U (en) * | 2013-12-31 | 2014-09-03 | 重庆歇马机械曲轴有限公司 | Machine tool for grinding main shaft neck of crank shaft |
-
2013
- 2013-12-31 CN CN201310748365.8A patent/CN103707145B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1360534A (en) * | 1999-04-30 | 2002-07-24 | 埃尔温·容克尔机械制造有限公司 | Rough-griding and finish-grinding crankshaft in clamping |
| US7794306B2 (en) * | 2003-02-12 | 2010-09-14 | Nissan Motor Co., Ltd. | Surface finishing apparatus and related method |
| CN201872019U (en) * | 2010-08-31 | 2011-06-22 | 重庆美心米勒曲轴股份有限公司 | Journal polishing device of gasoline engine crankshaft |
| CN202479905U (en) * | 2012-03-13 | 2012-10-10 | 固耐重工（苏州）有限公司 | Crankshaft grinder |
| CN103372791A (en) * | 2012-04-13 | 2013-10-30 | 德国索菲纳有限公司 | Method and device for finishing workpiece surface |
| CN202639903U (en) * | 2012-05-29 | 2013-01-02 | 重庆歇马机械曲轴有限公司 | Turning fixture for crankshaft |
| CN203804694U (en) * | 2013-12-31 | 2014-09-03 | 重庆歇马机械曲轴有限公司 | Machine tool for grinding main shaft neck of crank shaft |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109176275A (en) * | 2018-11-08 | 2019-01-11 | 山东宏旺实业有限公司 | A kind of back lining bearing grinding device |
| CN109176275B (en) * | 2018-11-08 | 2023-10-03 | 山东宏旺实业有限公司 | Backing bearing grinding device |
| CN114378656A (en) * | 2022-01-12 | 2022-04-22 | 青岛迈特园林机械零部件有限公司 | Crank grinding device and machining method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103707145B (en) | 2015-12-16 |
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