CN108526925A - A kind of crankshaft toothed wheel center rack device - Google Patents
A kind of crankshaft toothed wheel center rack device Download PDFInfo
- Publication number
- CN108526925A CN108526925A CN201810577971.0A CN201810577971A CN108526925A CN 108526925 A CN108526925 A CN 108526925A CN 201810577971 A CN201810577971 A CN 201810577971A CN 108526925 A CN108526925 A CN 108526925A
- Authority
- CN
- China
- Prior art keywords
- pull rod
- active pull
- centre frame
- pressing plate
- trunnion
- 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.)
- Pending
Links
- 238000003825 pressing Methods 0.000 claims abstract description 32
- 239000003921 oil Substances 0.000 claims description 6
- 239000010687 lubricating oil Substances 0.000 claims description 3
- 238000003754 machining Methods 0.000 abstract description 5
- 230000006641 stabilisation Effects 0.000 abstract 1
- 238000011105 stabilization Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q1/00—Members which are comprised in the general build-up of a form of machine, particularly relatively large fixed members
- B23Q1/72—Auxiliary arrangements; Interconnections between auxiliary tables and movable machine elements
- B23Q1/76—Steadies; Rests
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B25/00—Accessories or auxiliary equipment for turning-machines
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B5/00—Turning-machines or devices specially adapted for particular work; Accessories specially adapted therefor
- B23B5/18—Turning-machines or devices specially adapted for particular work; Accessories specially adapted therefor for turning crankshafts, eccentrics, or cams, e.g. crankpin lathes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q1/00—Members which are comprised in the general build-up of a form of machine, particularly relatively large fixed members
- B23Q1/72—Auxiliary arrangements; Interconnections between auxiliary tables and movable machine elements
- B23Q1/76—Steadies; Rests
- B23Q1/763—Rotating steadies or rests
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q11/00—Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
- B23Q11/10—Arrangements for cooling or lubricating tools or work
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Transmission Devices (AREA)
Abstract
The present invention provides a kind of crankshaft toothed wheel center rack devices, including centre frame, the support column of multiple trunnions for being used to support bent axle are provided in the middle part of centre frame, the covering plate structure for being pressed on trunnion top can be stablized by being provided on centre frame.The lower part of support column supports main shaft neck on centre frame, covering plate structure stabilization is pressed on trunnion top, covering plate structure includes pressing plate, the both sides of pressing plate are obliquely connected with active pull rod, the lower end of active pull rod is hinged and connected on centre frame, and trunnion is pressed on centre frame by active pull rod by pressing plate.Babbit block and trunnion contact surface have an oil groove, when crank rotation, are lubricated to trunnion, reduce the friction of trunnion and pressing plate.Covering plate structure is pressed against on trunnion, and in crank rotation and processing, limitation bent axle is beated upwards, is ensured the stability of Crankshaft Machining, is improved the quality and efficiency of Crankshaft Machining.
Description
Technical field
The present invention relates to Crankshaft Machining lathe fields, and in particular to a kind of crankshaft toothed wheel center rack device.
Background technology
The whole turnery processing of the high-power low-speed diesel engine bent axle of cylinder diameter 500mm to 350mm is special in a kind of bent axle
It is carried out on lathe, in processing, multiple centre frames of lathe support each trunnion of bent axle, each centre frame difference respectively
There are multiple a support columns, as shown in Figure 1.Whole bent axle is fallen on the support column of centre frame, is not limited in the top of bent axle
System.
When the weight of the high-power low-speed diesel engine bent axle of processing is at 20 tons or more in the case of the slow-speed of revolution, in bent axle
It rotates and processes on special purpose lathe, also can guarantee by own wt and steadily rotate and process.But when the weight of bent axle is small
When 20 tons (cylinder diameter is less than 400mm), since bent axle dead weight is smaller, when rotating and processing, since there is no limit bent on bent axle top
Shaft rotation is dynamic and processes unstable, and the bent axle after processing is caused deviation occur, of low quality.Therefore, it is necessary to design a kind of energy auxiliary
Bent axle special purpose lathe carries out the device of Crankshaft Machining.
Invention content
For the smaller bent axle of existing dead weight, in rotation and processing, since there is no limit crank rotations on bent axle top
It is unstable with processing, cause the bent axle after processing deviation occur, problem of low quality, the present invention provides a kind of crankshaft toothed wheels
Center rack device.
The present invention uses technical solution below：
A kind of crankshaft toothed wheel center rack device, including centre frame are provided in the middle part of centre frame and multiple are used to support song
The support column of the trunnion of axis, the covering plate structure for being pressed on trunnion top, the lid can be stablized by being provided on the centre frame
Harden structure includes pressing plate, and the both sides of pressing plate are obliquely connected with active pull rod, and the lower end of active pull rod is hinged and connected to centre frame
On, active pull rod tenses pressing plate on centre frame.
Preferably, the pressing plate be W-shaped pressing plate, W-shaped pressing plate include two side plates of both sides, middle part two side plates and in
Entreat transverse slat；
U-shaped jack is offered on side plate, the top of the active pull rod passes through U-shaped jack, and is fixed on side by nut
On plate；
The lower end of the side plate is provided with babbit block, and the bottom of babbit block is provided with oil groove；
The oilhole that can flow into lubricating oil is offered in the horizontal version in center.
Preferably, the first draw-bar seat, centre frame right side are provided with to the upper angled of the bearing diagonal on the left of the centre frame
Table top on be provided with the second draw-bar seat；
The active pull rod includes the first active pull rod and the second active pull rod, and the lower end of the first active pull rod is hinged and connected to
On first draw-bar seat, the lower end of the second active pull rod is hinged and connected on the second draw-bar seat.
Preferably, the gasket of wedge shape is lined between the nut and side plate.
Preferably, it is provided with engaging lug on first draw-bar seat, the lower end of the first active pull rod is hinged by axis pin
On engaging lug.
Preferably, link block is provided on second draw-bar seat, the lower end of the second active pull rod is U-shaped connecting pin, U-shaped
Connecting pin is stuck in the both sides of link block, and is hinged and connected on link block by axis pin.
Preferably, there are three the support columns.
The invention has the advantages that：
Crankshaft toothed wheel center provided by the invention rack device, the lower part of the support column supports main shaft neck on centre frame, cover board
Stable structure is pressed on trunnion top, and covering plate structure includes pressing plate, and the both sides of pressing plate are obliquely connected with active pull rod, living
The lower end of dynamic pull rod is hinged and connected on centre frame, and active pull rod tenses pressing plate on trunnion；Babbit block and trunnion
Contact surface has an oil groove, when crank rotation, is lubricated to trunnion, reduces the friction of trunnion and pressing plate.Covering plate structure lid pressure
On trunnion, in crank rotation and processing, limitation bent axle is beated upwards, ensures the stability of Crankshaft Machining, improves bent axle
The quality and efficiency of processing.
Description of the drawings
Fig. 1 is the structural schematic diagram of existing crankshaft toothed wheel centre frame.
Fig. 2 is the stereogram of crankshaft toothed wheel center provided by the invention rack device.
Fig. 3 is the front view of crankshaft toothed wheel center provided by the invention rack device.
Specific implementation mode
The specific implementation mode of the present invention is described further in the following with reference to the drawings and specific embodiments：
In conjunction with Fig. 2 and Fig. 3, a kind of crankshaft toothed wheel center rack device, including centre frame 1, it is provided at the middle part of centre frame 1
The support column 3 of three trunnions 2 for being used to support bent axle.
Two of which support column is separately positioned at oblique 45 degree in the middle part of centre frame, another support column is centrally disposed
Centre in the middle part of frame, support column provide lower support for trunnion.
The covering plate structure for being pressed on trunnion top can be stablized by being provided on centre frame 1, and covering plate structure provides for trunnion
Top consolidates power.
Covering plate structure includes pressing plate 4, and the both sides of pressing plate 4 are obliquely connected with active pull rod, the lower end hinge of active pull rod
It is connected on centre frame 1, active pull rod tenses pressing plate on centre frame.
Pressing plate 4 is W-shaped pressing plate, and W-shaped pressing plate includes two side plates 5 of both sides, two side plates 6 at middle part and central transverse slat 7,
Two side plates, the horizontal version of two side plates and center link into an integrated entity, and form complete W-shaped pressing plate.
U-shaped jack is offered on side plate 5, the top of active pull rod passes through U-shaped jack, and is fixed on side plate by nut 8
On.
The lower end of side plate 5 is provided with babbit block 9, and the bottom of babbit block is provided with oil groove, and platen cover is in main shaft
When on neck, babbit block 9 is contacted with trunnion.The oil groove of babbit block bottom setting, when crank rotation, to trunnion into
Row lubrication, reduces the friction of trunnion and pressing plate.
The oilhole 10 that can flow into lubricating oil is offered in the horizontal version in center, oilhole connects the oil pipe of original machine bed.
The upper angled of bearing diagonal 11 on the left of centre frame it is provided with the first draw-bar seat 12, the table top 13 on the right side of centre frame
On be provided with the second draw-bar seat 14.
Active pull rod includes that the first active pull rod 15 and the second active pull rod 16, the lower end of the first active pull rod are hinged and connected to
On first draw-bar seat, the lower end of the second active pull rod is hinged and connected on the second draw-bar seat.
Specifically, being provided with engaging lug 17 on the first draw-bar seat, the lower end of the first active pull rod is hinged and connected to by axis pin
On engaging lug.
Specifically, being provided with link block on the second draw-bar seat, the lower end of the second active pull rod is U-shaped connecting pin 18, and U-shaped connects
It connects end and is stuck in the both sides of link block, and be hinged and connected on link block by axis pin.
Since main bearing journal size is different, the angle that movable rod is connect with W-shaped pressing plate will be different, is
Ensure that nut can be fixed on what movable rod consolidated on W-shaped pressing plate, the gasket of wedge shape is lined between nut and W-shaped pressing plate
19, the angle of taperliner top and bottom is determined according to the compression angle of both sides movable rod and W-shaped pressing plate.
Certainly, above description is not limitation of the present invention, and the present invention is also not limited to the example above, this technology neck
The variations, modifications, additions or substitutions that the technical staff in domain is made in the essential scope of the present invention should also belong to the present invention's
Protection domain.
Claims (7)
1. a kind of crankshaft toothed wheel center rack device, which is characterized in that including centre frame, multiple use are provided in the middle part of centre frame
In the support column of the trunnion of support bent axle, the cover board knot that can stablize and be pressed on trunnion top is provided on the centre frame
Structure, the covering plate structure include pressing plate, and the both sides of pressing plate are obliquely connected with active pull rod, and the lower end of active pull rod is hinged
On centre frame, active pull rod tenses pressing plate on centre frame.
2. a kind of crankshaft toothed wheel center rack device according to claim 1, which is characterized in that the pressing plate is W-shaped pressing plate,
W-shaped pressing plate includes two side plates of both sides, two side plates at middle part and central transverse slat；
U-shaped jack is offered on side plate, the top of the active pull rod passes through U-shaped jack, and is fixed on side plate by nut；
The lower end of the side plate is provided with babbit block, and the bottom of babbit block is provided with oil groove；
The oilhole that can flow into lubricating oil is offered in the horizontal version in center.
3. a kind of crankshaft toothed wheel center rack device according to claim 1, which is characterized in that oblique on the left of the centre frame
It is provided with to the upper angled of support the first draw-bar seat, the second draw-bar seat is provided on the table top on the right side of centre frame；
The active pull rod includes the first active pull rod and the second active pull rod, and the lower end of the first active pull rod is hinged and connected to first
On draw-bar seat, the lower end of the second active pull rod is hinged and connected on the second draw-bar seat.
4. a kind of crankshaft toothed wheel center rack device according to claim 2, which is characterized in that between the nut and side plate
It is lined with the gasket of wedge shape.
5. a kind of crankshaft toothed wheel center rack device according to claim 3, which is characterized in that set on first draw-bar seat
It is equipped with engaging lug, the lower end of the first active pull rod is hinged and connected to by axis pin on engaging lug.
6. a kind of crankshaft toothed wheel center rack device according to claim 3, which is characterized in that set on second draw-bar seat
It is equipped with link block, the lower end of the second active pull rod is U-shaped connecting pin, and U-shaped connecting pin is stuck in the both sides of link block, and passes through axis pin
It is hinged and connected on link block.
7. a kind of crankshaft toothed wheel center rack device according to claim 1, which is characterized in that there are three the support columns.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810577971.0A CN108526925A (en) | 2018-06-07 | 2018-06-07 | A kind of crankshaft toothed wheel center rack device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810577971.0A CN108526925A (en) | 2018-06-07 | 2018-06-07 | A kind of crankshaft toothed wheel center rack device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108526925A true CN108526925A (en) | 2018-09-14 |
Family
ID=63470176
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810577971.0A Pending CN108526925A (en) | 2018-06-07 | 2018-06-07 | A kind of crankshaft toothed wheel center rack device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108526925A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111266605A (en) * | 2020-02-27 | 2020-06-12 | 山东大学 | Steel pipe chamfering machine |
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|---|---|---|---|---|
| CN2822834Y (en) * | 2005-11-08 | 2006-10-04 | 天水星火机床有限责任公司 | Horizontal lathe central frame |
| CN201300310Y (en) * | 2008-11-29 | 2009-09-02 | 天水星火机床有限责任公司 | Strong lubrication center frame |
| CN201483245U (en) * | 2009-05-31 | 2010-05-26 | 江西华伍重工有限责任公司 | Hydraulic centre frame using blank as roughness of matching surface |
| CN202200046U (en) * | 2011-08-30 | 2012-04-25 | 天津滨海龙泰科技发展有限公司 | Four-wheel center rest for machining core rod |
| EP2711124A1 (en) * | 2012-09-21 | 2014-03-26 | ADVO-Carillon UG (haftungsbeschränkt) | Self-centring support |
| CN104493521A (en) * | 2014-11-28 | 2015-04-08 | 苏州卓诚钛设备有限公司 | Novel workpiece fixing jig |
| CN206230253U (en) * | 2016-09-12 | 2017-06-09 | 肇庆金福旺金属机械实业有限公司 | Novel floating auxiliary supporting device special for lathe |
| CN106914757A (en) * | 2017-04-18 | 2017-07-04 | 苏州标杆知识产权运营有限公司 | It is a kind of to center lathe center frame |
| CN208304404U (en) * | 2018-06-07 | 2019-01-01 | 青岛海西重工有限责任公司 | A kind of crankshaft toothed wheel center rack device |
-
2018
- 2018-06-07 CN CN201810577971.0A patent/CN108526925A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2822834Y (en) * | 2005-11-08 | 2006-10-04 | 天水星火机床有限责任公司 | Horizontal lathe central frame |
| CN201300310Y (en) * | 2008-11-29 | 2009-09-02 | 天水星火机床有限责任公司 | Strong lubrication center frame |
| CN201483245U (en) * | 2009-05-31 | 2010-05-26 | 江西华伍重工有限责任公司 | Hydraulic centre frame using blank as roughness of matching surface |
| CN202200046U (en) * | 2011-08-30 | 2012-04-25 | 天津滨海龙泰科技发展有限公司 | Four-wheel center rest for machining core rod |
| EP2711124A1 (en) * | 2012-09-21 | 2014-03-26 | ADVO-Carillon UG (haftungsbeschränkt) | Self-centring support |
| CN104493521A (en) * | 2014-11-28 | 2015-04-08 | 苏州卓诚钛设备有限公司 | Novel workpiece fixing jig |
| CN206230253U (en) * | 2016-09-12 | 2017-06-09 | 肇庆金福旺金属机械实业有限公司 | Novel floating auxiliary supporting device special for lathe |
| CN106914757A (en) * | 2017-04-18 | 2017-07-04 | 苏州标杆知识产权运营有限公司 | It is a kind of to center lathe center frame |
| CN208304404U (en) * | 2018-06-07 | 2019-01-01 | 青岛海西重工有限责任公司 | A kind of crankshaft toothed wheel center rack device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111266605A (en) * | 2020-02-27 | 2020-06-12 | 山东大学 | Steel pipe chamfering machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180914 |