CN106514354A - Machining tool and method for two end surfaces of cross head pin - Google Patents
Machining tool and method for two end surfaces of cross head pin Download PDFInfo
- Publication number
- CN106514354A CN106514354A CN201611236209.3A CN201611236209A CN106514354A CN 106514354 A CN106514354 A CN 106514354A CN 201611236209 A CN201611236209 A CN 201611236209A CN 106514354 A CN106514354 A CN 106514354A
- Authority
- CN
- China
- Prior art keywords
- connecting plate
- hydraulic swivel
- pin
- crosshead pin
- hydraulic
- 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
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Classifications
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- 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
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
- B23Q3/06—Work-clamping means
- B23Q3/062—Work-clamping means adapted for holding workpieces having a special form or being made from a special material
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Machine Tool Units (AREA)
Abstract
A machining tool for two end surfaces of a cross head pin comprises a hydraulic rotary table, a connecting plate, two pieces of V-shaped iron, connecting bolts and two pressure plates, wherein the connecting plate is fixed on the hydraulic rotary table; the two pieces of V-shaped iron are parallel to each other and are fixed on the connecting plate; bolt holes are respectively formed in two ends of each piece of V-shaped iron so that the connecting bolts can be inserted into the bolt holes; each pressure plate sleeves the two corresponding connecting bolts in a pressing manner; and the hydraulic rotary table is externally connected with a hydraulic pump. The machining tool for the two end surfaces of the cross head pin is mounted on a table board of a machine tool, and through suspension and rotation of the hydraulic rotary table, changing of machining of a front end surface and machining of a rear end surface is carried out, so that the circumstances that the rotating accuracy of the machine tool is low, and matching degree of the size of a part and the size of the table board of the machine tool is poor are compensated; and moreover, the size of the distance between the two pieces of V-shaped iron is matched with the sizes of all existing required small machines, and therefore, the tool has quite high universality, and can be adjusted in the later period.
Description
Technical field
The present invention relates to machining, the processing of particularly a kind of crosshead pin and the both ends of the surface with analogous shape part
Frock and its processing method.
Background technology
Crosshead pin is the peculiar part of large-sized low-speed diesel engine, is the part for connecting piston component and connecting rod, and which has
The effect of guiding, and bear the side-thrust and pulling force of piston, piston reciprocate through which and pass to bent axle.
In the middle of prior art, for the processing of crosshead pin both ends of the surface, it is by one piece of V is directly placed on lathe table top
Sections is fixed in the middle of the table top of lathe after correction as frock；Part is placed on v block, datum level has been proofreaded
After start processing datum, after again by lathe table top rotate 180 ° processing other ends.
The problem that existing process technology is present：Due to the lathe table top of current processing crosshead pin end face it is generally larger, and
Total class of part is various at present, and when processing small size type, the boring bar of lathe needs to stretch out relatively long distance, can reduce main shaft firm
Property, so as to affect the flatness of processed part；And the running accuracy of big table top lathe is not universal high, also has one to crudy
It is fixing to ring.
The content of the invention
It is an object of the invention to overcome the defect of above-mentioned existing machining technique, there is provided a kind of crosshead pin both ends of the surface
Processing tool and its processing method, disclosure satisfy that the convenient of existing equipment, and realization simply reliably completes ten on existing
Prefix pin, the processing of especially undersized crosshead pin both ends of the surface.The special tooling of the present invention has easy to use, low cost
Honest and clean, high in machining efficiency, machining accuracy ensures reliable advantage.
Technical scheme is as follows：
A kind of processing tool of crosshead pin both ends of the surface, including hydraulic swivel, connecting plate, two pieces of v blocks, connecting bolt and
Two block pressur plates；
Described connecting plate is fixed on the hydraulic swivel, and two pieces of described v blocks are fixed on described parallel to each other
Connecting plate on, be respectively arranged at two ends with bolt hole in the V-type of the v block, insert for connecting bolt, described pressing plate set is pressed in two
On root connecting bolt, the external hydraulic pump of described hydraulic swivel.
Described hydraulic swivel is arranged on lathe table top and uses, and its own can carry out rotating and can positioning and locking.
Described hydraulic pump is used to provide pressure.
Used as work top, bottom utilizes alignment pin and bolt to connect with described hydraulic swivel to described connecting plate
Connect, top is provided with T-slot, fix for described v block.
Described v block and connecting bolt, pressing plate are used cooperatively, and complete the clamping to crosshead pin.
Base of the described hydraulic swivel head as a whole set of tool component, which is directly placed on lathe table top, needs to bear
The weight of whole tool component, the frock are used for the crosshead pin (type from 35MEB to 50MEB) for processing little type, so its
Weighted design chooses most heavy 50MEB types, adds the deadweight of frock, and puts 30% safety coefficient, so the liquid of this frock
The design load-bearing of pressure rotating disk should be not less than 2500kg.After hydraulic swivel head rotation specified angle, it is desirable to have alignment pin can be locked
Tightly.Selected hydraulic swivel head meets above-mentioned condition.
Described connecting plate is used as work top, and which is connected by alignment pin with hydraulic swivel head, and is used
Fixing bolt is fixed.As which is used as work top, it is necessary to have the good depth of parallelism, and load-bearing is needed, mesa designs will
Table top is met in load-bearing 2000kg parallelism errors without departing from 0.02mm.Meanwhile, in order to preferably be pacified on connecting plate
Dress is used, so the T-slot design being designed with similar to lathe table top of the connecting plate.
Described v block is mounted on connecting plate, using V-type face holding parts；In order to part tune up facility, two pieces
There to be the corresponding depth of parallelism between the inclined-plane of the good depth of parallelism, especially two get well between v block.While in order to mitigate certainly
Weight, discharges stress, also allows for clamping, and v block is adopted has hole to design.According to the size of the part of required processing, two v blocks are determined
Spacing；If subsequently requiring machining for less like parts, it is also possible to adjust the spacing of two v blocks.
Depending on the design size of connecting bolt and pressing plate is according to the size of part, plurality of specifications can be designed, is entered as needed
Row is selected.
Hydraulic pump needs to provide enough pressure for fixture system, and the hydraulic pump of selection should be more light and easy to use.
Small volume is also wanted not take up space simultaneously.
Using the processing method of the processing tool of described crosshead pin both ends of the surface, the method comprises the steps：
1. hydraulic swivel head is arranged on into lathe table top near main shaft side, length is stretched out according to the size and boring bar of lathe table top
Degree determines precise mounting position, hydraulic swivel head is locked on lathe table top using alignment pin, and by hydraulic swivel head and hydraulic pump
Connection；
2. connecting plate is passed through into alignment pin and bolt is arranged on hydraulic swivel head, and ensure that its flatness tolerance does not surpass
0.02mm；
3. two pieces of v blocks are arranged on connecting plate, are coordinated using the T-slot of T-nut, stud and connecting plate,
It is fixed, it is ensured that the parallelism tolerance of two v blocks is less than 0.01mm；
4. crosshead pin is centrally placed on two pieces of v blocks, datum level corrects transverse plane just to boring bar, by even
After connecting bolt and pressing plate fix crosshead pin, start processing datum；
5. after datum level is machined, the alignment pin on hydraulic swivel head is unclamped, the use of hydraulic pump is hydraulic swivel head voltage supply, makes
After which floats and rotates 180 °, using positioning pin locked, process the other end of crosshead pin afterwards, after the completion of complete whole
The processing of operation.
Compared with prior art, beneficial effects of the present invention are as follows：
1) install when using on machine-tool platform face near machine tool chief axis side, overcome accessory size and lathe table top not phase
The shortcoming of matching；
2) as there is frock itself good precision, once mounting just can use for a long time after regulating, no
The workload of the tune-up of part can additionally be increased.
3) with simple structure the characteristics of, v block spacing when having demand, can also be adjusted as the case may be.
4) it is easy to use, the characteristics of stable accuracy is reliable, meets on existing lathe to middle-size and small-size crosshead pin and have
The convenient processing of similar structures part both ends of the surface.
Description of the drawings
Fig. 1 is the structural representation of the processing tool of crosshead pin both ends of the surface of the present invention；
Fig. 2 be crosshead pin both ends of the surface of the present invention processing tool in connecting plate structural representation.
Fig. 3 is the schematic three dimensional views that the processing tool of crosshead pin both ends of the surface of the present invention installs part.
Specific embodiment
Next with specific embodiment below in conjunction with the accompanying drawings the present invention will be further described, but therefore should not limit this
The protection domain of invention.
Fig. 1 is referred to, Fig. 1 is the structural representation of the processing tool of crosshead pin both ends of the surface of the present invention, as illustrated, one
Plant the processing tool of crosshead pin both ends of the surface, including hydraulic swivel 1,2, two pieces of v blocks 3 of connecting plate, connecting bolt 4 and two pieces of pressures
Plate 5；Described connecting plate 2 is fixed on the hydraulic swivel 1, and two pieces of described v blocks 3 are fixed on described parallel to each other
On connecting plate 2, bolt hole being respectively arranged at two ends with the V-type of the v block 3, being inserted for connecting bolt 4,5 sets described of pressing plate is pressed in
On two connecting bolts 4, described 1 external hydraulic pump of hydraulic swivel.Described hydraulic swivel 1 is arranged on lathe table top and makes
With its own can carry out rotating and can positioning and locking.Hydraulic swivel 1 is arranged on clamping, company installed above on lathe table top
Fishplate bar simultaneously utilizes alignment pin and bolt and hydraulic swivel assembly connection；After correction connecting plate, installation fixes two pieces of V-types
Ferrum, and ensure its depth of parallelism；Above as tool component, it can be arranged on lathe table top for a long time.Part is placed on v block
On, fixed using connecting bolt and pressing plate, after check and correction datum level, start processing；After the completion of datum level content, supplied using hydraulic pump
Pressure so that hydraulic swivel head floats, turns 180 °, and after positioning and locking, starts to process other end face.
Embodiment：
One preferred embodiment of the present invention is exactly to the cross in MAN companies low-speed diesel engine 6S35MEB9.5 types
The clamping of head pin, as shown in Figure 3.
The frock of crosshead pin both ends of the surface processing is as follows using step：
1. hydraulic swivel head 1 is arranged on into lathe table top near main shaft side, concrete installation site is big according to lathe table top
Little and boring bar extension elongation is coordinated using the T-slot of T-nut, stud and connecting plate, by which in lathe table top determining
On fix, connect with hydraulic pump 2 afterwards.
2. connecting plate 3 passes through alignment pin and bolt is arranged on hydraulic swivel head 1, and ensures that its flatness tolerance does not surpass
0.02mm。
3rd, two pieces of v blocks 5 are arranged on connecting plate, using the T-shaped of T-nut, stud, pressing plate etc. and connecting plate
Groove coordinates, and is fixed, it is ensured that the parallelism tolerance of two v blocks is less than 0.01mm.This enforcement processing part is that 35MEB is arrived
50MEB type crosshead pins, according to minimum 35MEB crosshead pin sizes, determine that the outer end interplanar distance of two v blocks is 300mm.
The main body of above-mentioned this frock of composition is arranged on lathe table top.Afterwards without the need for dismounting, periodic measurement frock is only needed
With the relative position of table top, and according to measurement result do appropriateness adjustment.If requiring machining for smaller size of part only needs
Adjustment v block spacing.
4th, afterwards 6S35MEB9.5 crosshead pins are centrally placed on v block, datum level just to boring bar, hold level with both hands by correction
Face, is fixed with connecting bolt 5 and pressing plate 6 etc., starts processing datum.
5th, after datum level is machined, the alignment pin on hydraulic swivel head 1 is unclamped, the use of hydraulic pump is 1 voltage supply of hydraulic swivel head,
Make which float, allow its rotation 180 ° after, using positioning pin locked, process other end face afterwards, after the completion of complete whole operation
Processing content.
In sum, the present invention solves the situation of existing lathe mesa dimensions and accessory size matching degree difference, especially solves
The difficulty that certainly small size crosshead pin both ends of the surface are processed, and the labor intensity of operator will not be increased.There is simple structure simultaneously,
Easy to use, the reliable advantage of stable accuracy is realized to small-medium size crosshead pin and the both ends of the surface for having analogous shape part
Reliable processing.
Claims (6)
1. a kind of processing tool of crosshead pin both ends of the surface, it is characterised in that including hydraulic swivel (1), connecting plate (2), two pieces of V
Sections (3), connecting bolt (4) and two block pressur plates (5)；
Described connecting plate (2) is fixed on the hydraulic swivel (1), and two pieces of described v blocks (3) are fixed on parallel to each other
On described connecting plate (2), bolt hole is respectively arranged at two ends with the V-type of the v block (3), insert for connecting bolt (4), it is described
Pressing plate (5) set be pressed on two connecting bolts (4), the described external hydraulic pump of hydraulic swivel (1).
2. the processing tool of crosshead pin both ends of the surface according to claim 1, it is characterised in that described hydraulic swivel
(1) use on lathe table top, its own can carry out rotating and can positioning and locking.
3. the processing tool of crosshead pin both ends of the surface according to claim 1, it is characterised in that described hydraulic pump is used for
Pressure is provided.
4. the processing tool of crosshead pin both ends of the surface according to claim 1, it is characterised in that described connecting plate (3)
Used as work top, bottom utilizes alignment pin and bolt to be connected with described hydraulic swivel (1), and top is provided with T-slot, supplies
Described v block (3) is fixed.Sections.
5. the processing tool of crosshead pin both ends of the surface according to claim 1, it is characterised in that described v block (3) and
Connecting bolt (5), pressing plate (6) are used cooperatively, and complete the clamping to crosshead pin.
6. the processing method for utilizing the processing tool of the arbitrary described crosshead pin both ends of the surface of claim 1-5, it is characterised in that
The method comprises the steps：
1. by hydraulic swivel head (1) installed in lathe table top near main shaft side, length is stretched out according to the size and boring bar of lathe table top
Degree determines precise mounting position, hydraulic swivel head (1) is locked on lathe table top using alignment pin, and by hydraulic swivel head (1) and
Hydraulic pump connects；
2. connecting plate (2) is arranged on hydraulic swivel head (1) by alignment pin and bolt, and ensures its flatness tolerance not
Super 0.02mm；
3. two pieces of v blocks (3) are matched somebody with somebody using the T-slot of T-nut, stud and connecting plate on connecting plate (2)
Close, be fixed, it is ensured that the parallelism tolerance of two v blocks is less than 0.01mm；
4. crosshead pin is centrally placed on two pieces of v blocks, datum level corrects transverse plane just to boring bar, by connecting spiral shell
After bolt (5) and pressing plate (6) fix crosshead pin, start processing datum；
5. after datum level is machined, the alignment pin on hydraulic swivel head (1) is unclamped, the use of hydraulic pump is hydraulic swivel head (1) voltage supply,
After which is floated and is rotated 180 °, using positioning pin locked, afterwards process crosshead pin other end, after the completion of complete whole
The processing of individual operation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611236209.3A CN106514354A (en) | 2016-12-28 | 2016-12-28 | Machining tool and method for two end surfaces of cross head pin |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611236209.3A CN106514354A (en) | 2016-12-28 | 2016-12-28 | Machining tool and method for two end surfaces of cross head pin |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106514354A true CN106514354A (en) | 2017-03-22 |
Family
ID=58339220
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611236209.3A Pending CN106514354A (en) | 2016-12-28 | 2016-12-28 | Machining tool and method for two end surfaces of cross head pin |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106514354A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108145520A (en) * | 2017-12-12 | 2018-06-12 | 青岛盛健工贸有限公司 | A kind of face miller equipped with stop gauge |
| CN109227183A (en) * | 2018-11-26 | 2019-01-18 | 法兰泰克重工股份有限公司 | A kind of clamping apparatus |
| CN110293418A (en) * | 2019-07-15 | 2019-10-01 | 中船动力有限公司 | Marine low speed diesel engine crosshead pin cylindrical surface notch positioning tool and localization method |
| CN110328374A (en) * | 2019-07-09 | 2019-10-15 | 苏州优力克流体控制科技有限公司 | A kind of novel throttle valve lathe machining device |
| CN111674694A (en) * | 2020-05-18 | 2020-09-18 | 长江大学 | Protection device for petroleum machinery |
| CN112276145A (en) * | 2020-10-19 | 2021-01-29 | 河南柴油机重工有限责任公司 | Machining and positioning device and method for holes in opposite positions of two end faces of large slender shaft |
| CN113305186A (en) * | 2021-07-29 | 2021-08-27 | 南通瓯海电气设备有限公司 | Omnibearing bending CNC equipment for nonferrous metal or alloy |
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| CN102699725A (en) * | 2012-05-30 | 2012-10-03 | 东南大学 | Combined clamp special for keywaying of shaft |
| CN102862082A (en) * | 2012-10-19 | 2013-01-09 | 江苏腾旋科技股份有限公司 | Positioning and clamping mechanism for a plurality of drill holes |
| CN204565684U (en) * | 2015-03-23 | 2015-08-19 | 西安华欧精密机械有限责任公司 | Circular reverser ball nut side keyway fixture |
| CN206356942U (en) * | 2016-12-28 | 2017-07-28 | 沪东重机有限公司 | A kind of processing tool of crosshead pin both ends of the surface |
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Patent Citations (5)
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| SU1289646A1 (en) * | 1985-05-06 | 1987-02-15 | Производственное Объединение "Ворошиловградский Тепловозостроительный Завод Им.Октябрьской Революции" | Device for positioning and rotating work |
| CN102699725A (en) * | 2012-05-30 | 2012-10-03 | 东南大学 | Combined clamp special for keywaying of shaft |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108145520A (en) * | 2017-12-12 | 2018-06-12 | 青岛盛健工贸有限公司 | A kind of face miller equipped with stop gauge |
| CN109227183A (en) * | 2018-11-26 | 2019-01-18 | 法兰泰克重工股份有限公司 | A kind of clamping apparatus |
| CN110328374A (en) * | 2019-07-09 | 2019-10-15 | 苏州优力克流体控制科技有限公司 | A kind of novel throttle valve lathe machining device |
| CN110293418A (en) * | 2019-07-15 | 2019-10-01 | 中船动力有限公司 | Marine low speed diesel engine crosshead pin cylindrical surface notch positioning tool and localization method |
| CN111674694A (en) * | 2020-05-18 | 2020-09-18 | 长江大学 | Protection device for petroleum machinery |
| CN111674694B (en) * | 2020-05-18 | 2022-04-12 | 长江大学 | Protection device for petroleum machinery |
| CN112276145A (en) * | 2020-10-19 | 2021-01-29 | 河南柴油机重工有限责任公司 | Machining and positioning device and method for holes in opposite positions of two end faces of large slender shaft |
| CN113305186A (en) * | 2021-07-29 | 2021-08-27 | 南通瓯海电气设备有限公司 | Omnibearing bending CNC equipment for nonferrous metal or alloy |
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| PB01 | Publication | ||
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Application publication date: 20170322 |