CN203045308U - Round work table, slider and lathe bed bearing load basic part - Google Patents
Round work table, slider and lathe bed bearing load basic part Download PDFInfo
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- CN203045308U CN203045308U CN 201320021693 CN201320021693U CN203045308U CN 203045308 U CN203045308 U CN 203045308U CN 201320021693 CN201320021693 CN 201320021693 CN 201320021693 U CN201320021693 U CN 201320021693U CN 203045308 U CN203045308 U CN 203045308U
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- slide
- circular table
- lathe bed
- work table
- guide rail
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Abstract
The utility model relates to a round work table, a slider and a lathe bed bearing load basic part. The round work table, the slider and the lathe bed bearing load basic part are arranged on the front end portion of a milling round cutter disk main shaft transmission feed drive combined device working part in series. The slider and a rectangular guide rail are arranged on a lathe bed, and the rectangular guide rail is formed by combination of the slider and the lathe bed and extends along the X-axis line, the slider is further provided with the round work table and an annular guide rail at the same time, wherein the round work table is used for bearing workpieces, and the annular guide rail is formed by combination of the round work table and the slider and used for driving the round work table to carry out rotational motion along a C-axis. The round work table is provided with a workpiece clamping device. The round work table, the slider and the lathe bed bearing load basic part are applied to a numerical control crank lathe milling machine, and milling efficiency is 5-8 times as that of a crank turning machining lathe.
Description
Technical field
The utility model relates to a kind of boats and ships heavy industry industry that is applied to, the circular table in the numerical control crank milling lathe and slide, lathe bed load-bearing load basic part.
Background technology
Boats and ships heavy industry industry marine low speed diesel engine bent axle is functional part most crucial in the marine low speed diesel engine, is used for transmitting huge moment of torsion, promotes several ten thousand tons to the boats and ships of hundreds of thousands ton.Crankshaft material is low-carbon alloy steel, and 5 to 15 meters of general single crankshaft length, weight are 30 to 200 tons, and the bent axle that minority weight reaches more than 300 tons is to be in series by two bent axles.Because the long weight of self length is big, can not adopts the mode of blank solid forging moulding and adopt package assembly.Processed separately by some single parts, be combined into whole bent axle through hot jacket then.Single part be called crank arm heavy 30 tons to more than 80 tons, single structure of cranking arm as shown in Figure 1, it is connected two cranks 1 by two structure cranks 1 identical and that be parallel to each other with one columned crank-pin 2 three parts constitute cranks arm, crank-pin 2 positions are at an end of two cranks 1, be processed with the hot jacket hole of assembling usefulness at the other end of crank, be processed into crank pit 3 (in open crotch) between two cranks 1.The present manufacture craft of cranking arm is that two cranks and crank-pin are made an one-piece parts, and the blank of cranking arm is the unitary solid forging, thick on the entity forging blank, fine finishining go out between crank in open crotch groove 3.The equipment that is used at present crank pit processing adopts crank turning machine processing crank pit usually, and the blank of cranking arm is installed at the turnery platform and adds the man-hour workpiece and will revolve three-sixth turn and cut a cutter, and its process velocity is slow and efficient is low.Milling milling process in the numerical control is present crank pit machining advanced person's processing method in the world, by its processing to high-power forged steel crank element, it is good especially more to be conducive to the chip breaking rigidity, and interior milling machine tool has multiple processing pattern, and using maximum is to mill processing technology in the crank fixed numerical control crank.Its main feature is: production efficiency height, good processing accuracy, applied widely, flexible good.Foreign-made has crank pit Milling Process lathe, and the working (machining) efficiency of crank pit milling machine is 5 to 8 times of crank pit machined into efficient.The present whole world of this crank pit Milling Process lathe has only produced five, if the such crank pit of import mills machining tool, need about 400～7,000,000 Euros of cost, because equipment investment is huge, so domestic boats and ships heavy industry industry still adopts the low crank shank lathe of its working (machining) efficiency to be used for processing at present and cranks arm, but also will spend the external crank shank lathe that a large amount of foreign exchanges is bought import.The domestic present whirlwind milling machine that is used for heavy crankshaft journal processing of having developed, develop crank shank lathe but still do not solved the problem of heavily cutting high efficiency processing of blank forging roughing first procedure of cranking arm, at present in boats and ships heavy industry industry marine low speed diesel engine bent axle is cranked arm process technology equipment family, lacking this just is the boats and ships heavy industry industry marine low speed diesel engine bent axle technical barrier that processing technology, technical equipment aspect need to be resolved hurrily of cranking arm for heavily cutting the crank arm technical equipment of crank pit of Milling Process in the high efficiency, designing and developing numerical control crank milling lathe.
The utility model content
Technical problem to be solved in the utility model is: circular table in a kind of heavy numerical control crank milling lathe of cutting Milling Process mode in the high efficiency and slide, lathe bed load-bearing load basic part are provided.
For satisfying and realizing above functional requirement, the technical method measure that the utility model adopts, the designing technique that needs to solve are:
Circular table and slide, lathe bed load-bearing load basic part, it is installed in series and drives the front end position of composite set working portion in the feeding of milling circular beater plate spindle drive; Comprise: lathe bed, lathe bed is provided with slide and slide combines with lathe bed along the rectangular guideway of X-axis line extension, at the circular table that also is provided with holding workpieces on the slide simultaneously with drive the ring-shaped guide rail that combines between circular table does gyration around the C axle slide and circular table, circular table is provided with the clamping workpiece device.
Described lathe bed, slide, circular table are the box structure of cloth muscle in the abdominal cavity, and lathe bed is the front end position that box rectangle vertically is installed in milling circular beater plate spindle drive and feeding driving composite set; Bed ways extend in X-axis line direction, on it, are furnished with the rectangular guideway of one or more, be provided with the several tooth bars that meet impulse stroke length and scurry at least one group of the tooth bar group that the connection form installs between lathe bed and slide; Slide is that the rectangular guideway on the box rectangular configuration bottom, abdominal cavity combines with bed ways, and the top is provided with round ring guide and combines with the circular table guide rail, and the slide afterbody is provided with the slide feed drive unit; Circular table is the box structure of cloth muscle in the abdominal cavity, the lower horizontal anchor ring of circular table is provided with ring-shaped guide rail, the vertical side anchor ring is equipped with the gear ring of circular table, the workpiece clamping is installed on the circular table uses anchor clamps, and be furnished with the workpiece of workpiece weight changeable and lay particular stress on balance weight.
The slide of supporting circular table clamping workpiece is installed on the lathe bed, combines with lathe bed longitudinal extension guide rail; The slide afterbody is provided with the slide feeding and drives at least one group of transmission case, and the pinion on its device is meshed by driven by servomotor with lathe bed tooth bar group, drives slide through drive unit and does the feed motion of X-axis line along lathe bed longitudinal extension guide rail; Be provided with at least one group in the slide side and drive circular table around the drive unit of C axis gyration, the workbench gear ring engagement that the pinion of C axis gyration drive unit and the lower vertical side ring surface of circular table arrange drives it on the circular table of installation through drive unit and makes the C axis and rotatablely move; Be equipped with in the slide two sides at least more than one group the circular table driving transmission case that rotatablely moves, gearing shaft on the transmission case and power transmission shaft upper and lower and gear ring pinion in mesh and travelling gear, transmission case are made of the form that adopts reversal of the natural order of things to install some travelling gears that are meshed and power transmission shaft.
1. milling circular beater plate spindle drive and feeding drive the composite set working portion, drive the composite set working portion with the supporting of circular table clamping workpiece and slide feeding and adopt the composite configuration's form that is installed in series.The supporting of circular table clamping workpiece and slide feeding drive the composite set working portion, are installed in the front end position that milling circular beater plate spindle drive and feeding drive the composite set working portion.
2. circular table clamping workpiece supporting and slide feeding drive the composite set working portion: mainly solve work mounting s clamping feeding driving, feeding power coupling, the big stressed stiffness and strength of part in work mounting s basis, work mounting s feeding and axial-movement, for realizing between the big part in work mounting s and feed motion basis mutually the structural design designing technique of coupling etc.
5. the supporting of circular table clamping workpiece and slide feeding drive the composite set working portion, and fixedly clamping arm song cuts under the gravity situation, the torsional rigidity in big part cross section, basis, intensity, vibration resistance and basis big part quality structure coupling design etc.
6. embodied the every technical characterictic that proposes in claims by the supporting of circular table clamping workpiece and slide feeding driving composite set by above requirement design.
The beneficial effects of the utility model are: numerical control crank milling lathe is realized the forging blank crank pit high-power high-efficiency of cranking arm is heavily cut interior Milling Process, and its Milling Process efficient is 5 to 8 times of crank turning machining tool.This numerical control crank milling lathe is the novel lathe that stand-alone development manufactures and designs, and is not quite similar with external uniform machines bed structure, has independently technological know-how property right.This lathe for solve forging blank crank arm efficiently heavily cut in the Milling Process crank pit of cranking arm open shelves, advanced interior Milling Process process is provided, for boats and ships heavy industry industry provides the high efficiency process technology equipment of heavily cutting of the heavy bent axle of autonomous production, efficiently make heavy crank axle for vessel technical guarantee is provided for boats and ships heavy industry industry realizes domesticizing as early as possible.Fill up country and be used for the crank arm technological gap of crank pit machining tool of the heavy bent axle of boats and ships heavy industry industry, solved the crank arm difficult point of processing of boats and ships heavy industry industry heavy bent axle peculiar to vessel.
Description of drawings
Fig. 1 is single structural representation of cranking arm on the heavy bent axle;
Fig. 2 is main TV structure schematic diagram of the present utility model;
Fig. 3 is the plan structure schematic diagram of Fig. 2;
Fig. 4 is the left TV structure schematic diagram of Fig. 2;
Fig. 5 is the left TV structure schematic diagram that Fig. 2 removes the back timber aftertable;
Fig. 6 removes the structural representation that moves down drive unit behind the back timber on the T shape ram cutterhead among Fig. 2;
Among Fig. 1: 1, crank, 2, crank-pin, 3, crank pit opens shelves;
Fig. 2, Fig. 3, Fig. 4, Fig. 5, among Fig. 6: 1, lathe bed, 2, the lathe bed protective cover, 3, the slide feed drive unit, 4, slide, 5, circular table, 6, the clamping workpiece device, 7, crank shaft blank, 8, slide feeding drive motors, 9, the tooth bar group, 10, main transmission drives, and 11, T shape ram, 12, main shaft, 13, cutterhead, 14, the ram drive unit, 15, cutterhead position device, 16, left side pedestal, 17, right pedestal, 18, circular table drives transmission case, 19, the circular table gear ring, 20, the workpiece balance weight, 21, the ram panel, 22, the hydro-cushion oil cylinder, 23, the vibration damping case, 24, linked roof bar, 25, screw mandrel, 26, turning annex head.
The specific embodiment
Below by specific embodiment the utility model circular table and slide, lathe bed load-bearing load basic part are described in further detail.
As Fig. 2, Fig. 3, Fig. 4, Fig. 5, shown in Figure 6, numerical control crank milling lathe general structure layout designs is divided into two big working portions: the first working portion milling circular beater plate spindle drive and feeding drive composite set; The supporting of the second working portion circular table clamping workpiece and slide feeding drive composite set.
Milling circular beater plate spindle drive and feeding drive the composite set working portion, drive the composite set working portion with the supporting of circular table clamping workpiece and slide feeding and adopt the composite configuration's form that is installed in series.The supporting of circular table clamping workpiece and slide feeding drive the composite set working portion, are installed in the front end position that milling circular beater plate spindle drive and feeding drive composite set working portion knife cutting district.
Milling circular beater plate spindle drive and feeding drive the composite set working portion when mainly finishing the height change of the different crank pits of cranking arm with knife cutting of cutterhead main cutting power drive, and T shape ram is made the actuation movement of the transmission of vertical feed up and down of Z direction.Circular table clamping workpiece supporting and slide feeding drive the composite set working portion and mainly finish the workpiece of clamping that workpiece cranks arm, load-bearing, conveying clamping and crank arm and be fed into the knife cutting district and carry out milling and cut processing.The motion of these two working portions and power drive are finished the work under programmed instruction by digital control system control.
Milling circular beater plate spindle drive and feeding drive the composite set working portion and comprise: linked roof bar 24 combination pedestals and the T shape ram 11, the ram panel 21 that are arranged in the combination pedestal, T shape ram is provided with circular beater plate 13 and is used for driving main transmission box 10 and the drive motors of circular beater plate gyration, is provided with in the combination pedestal for driving T shape ram drive unit 14 transmission cases and the drive motors that cutterhead T shape ram 11 moves up and down along combination base rail Z-direction.For guaranteeing that milling circular beater plate spindle drive and feeding drive each parts of composite set working portion and reliably realize cutterhead main cutting power drive, the actuation movement of T shape ram feeding transmission, guarantee the stressed support strength of carrying and the rigidity of each parts of combination installation, the main body that milling circular beater plate spindle drive and feeding drive the composite set working portion is designed to portal frame structure combining above the following box rectangular susceptor, is assembled by linked roof bar 24, combination pedestal.The combination pedestal is box structure, integral body is made up of left base body 16, right base body 17, surround the z axis guide rail that T shape inner chamber extends in middle vertical planes, T shape ram 11 is installed is done in check moving along z axis, circular beater plate 13 is installed in T shape ram 11 tops.Linked roof bar 24 is box-shaped integral body, is assembled by left and right back timber body.The crossbeam of left and right sides back timber is made integral body with left and right pillar respectively, and the combination back constitutes abdominal cavity indent hollow shape gantry type frame formula structure.Linked roof bar 24 is by making up main body across gantry type frame on the top of combination pedestal and the bottom base that base top surface fixedly becomes one above the cutterhead.Linked roof bar 24 is included in cutterhead 13T shape ram 11 parts linked roof bar 24 and makes up the indent hollow part, abdominal cavity that the pedestal top forms with the combination pedestal.The cutting blade of the forward facial position of circular beater plate 13 alignment of shafts roots partly protrudes from linked roof bar 24 and forms the knife cutting district with the positive front end face that makes up pedestal.T shape ram 11 is installed in T shape re-entrant portion in the combination main body combination pedestal vertical plane and is combined the formation z axis with T shape guide rail.Milling circular beater plate 13 is installed in the top of T shape ram main shaft 12, and T shape ram 11 is equipped with cutter spindle transmission case 10 and drive motors (at least one group).On the combination pedestal drive unit 14 (at least one group) that T shape ram 11 moves along z axis is housed, comprise the four rhizoid bars 25 that are arranged on the T type ram 11, the combination pedestal is provided with transmission case and the servomotor of the ram drive unit of being made up of some gears and power transmission shaft that drives respectively that screw pair rotates, and the slide block of setting and slide block and T type ram 11 fix on the screw mandrel 25.The cutterhead position limiter 15 that is equipped with more than one on the linked roof bar 24 of cutterhead upper surface and at the T of cutterhead lower surface shape ram 11, T shape ram 11 bottoms are equipped with hydro-cushion oil cylinder 22 and vibration damping case 23.
The supporting of circular table clamping workpiece and slide feeding drive composite set and comprise lathe bed 1, lathe bed 1 is provided with lathe bed protective cover 2, lathe bed 1 is provided with slide 4 and is used for driving the slide feed drive unit 3 that slide 4 vertically moves, slide 4 two sides also are provided with for driving the circular table driving transmission case 18 that circular table 5 rotates, and circular table 5 is provided with clamping workpiece device 6.Cranking arm for the workpiece that guarantees clamping that the supporting of circular table clamping workpiece and slide feeding drive composite set 3 operate portions departmentalisms and realize that workpiece cranks arm, load-bearing, conveying clamping is fed into the knife cutting district and carries out milling and cut processing, and the load load-bearing of each parts, the stressed support under resistance to cutting.Lathe bed 1, slide 4, the circular table 5 of circular table clamping workpiece supporting feeding driving composite set working portion all is designed to the box structure of cloth muscle in the abdominal cavity, and lathe bed 1 vertically is installed in the front end position of milling circular beater plate spindle drive and feeding driving composite set for the box rectangle of interior cloth muscle.Lathe bed 1 guide rail extends in X-axis line direction, on it, be furnished with unnecessary one or more rectangular guideway, in lathe bed longitudinal rail horizontal plane and the parallel recessed belly of guide rail position then, be provided with the several tooth bars that meet impulse stroke length and scurry 9 at least one groups of the tooth bar groups that the connection form installs.Slide 4 combines with lathe bed 1 guide rail for the rectangular guideway on the box rectangular configuration bottom of cloth muscle in the abdominal cavity, and the top is provided with round ring guide and combines with circular table 5 guide rails, and the slide afterbody is provided with slide feed drive unit 3.Circular table is the box structure of cloth muscle in the abdominal cavity, the lower horizontal anchor ring of circular table 5 is provided with ring-shaped guide rail, the vertical side anchor ring is equipped with the gear ring 19 of circular table, clamping workpiece device 6 is installed on the circular table 5, and is furnished with the balance weight 20 of laying particular stress on counterweight with the clamping workpiece of workpiece weight changeable.Slide 4 afterbodys are provided with the slide feeding and drive transmission case 3 (at least one group), and the pinion on its device is meshed with lathe bed tooth bar group 9 and is driven by slide feeding drive motors 8, drives slide 4 through drive unit and does the feed motion of X-axis line along lathe bed 1 longitudinal extension guide rail.Be provided with (at least one group) in slide 4 sides and drive circular table around the drive unit 18 of C axis gyration, workbench gear ring 19 engagements that the pinion of C axis gyration drive unit 18 and the lower vertical side ring surface of circular table 5 arrange drive its circular table 5 of going up installation through drive unit 18 and make the C axis and rotatablely move.Circular table 5 is provided with Workpiece clamping device 6.
Operation principle of the present utility model is: during use, crank shaft blank 7 is fixed on the circular table 5 by clamping workpiece device 6, cutterhead ram main shaft main transmission drive motors drives cutterhead 13 and rotates.Circular table 5 clamping workpieces are by slide 4 supporting, drive to move to cutterhead 13 directions along lathe bed 1 upper rail by slide drive unit 3 to be transported to the knife cutting district, thereby make 13 pairs of the cutterheads forging blank of cranking arm carry out milling.After being milled into certain depth, circular table 5 reverse movements are drawn back.
The beneficial effects of the utility model are: numerical control crank milling lathe is realized the forging blank crank pit high-power high-efficiency of cranking arm is heavily cut interior Milling Process, and its Milling Process efficient is 5 to 8 times of crank turning machining tool.This numerical control crank milling lathe is the novel lathe that stand-alone development manufactures and designs, and is not quite similar with external uniform machines bed structure, has independently technological know-how property right.This lathe for solve forging blank crank arm efficiently heavily cut in the Milling Process crank pit of cranking arm open shelves, advanced interior Milling Process process is provided, for boats and ships heavy industry industry provides the high efficiency process technology equipment of heavily cutting of the heavy bent axle of autonomous production, efficiently make heavy crank axle for vessel technical guarantee is provided for boats and ships heavy industry industry realizes domesticizing as early as possible.Fill up country and be used for the crank arm technological gap of crank pit machining tool of the heavy bent axle of boats and ships heavy industry industry, solved the crank arm difficult point of processing of boats and ships heavy industry industry heavy bent axle peculiar to vessel.
The above embodiments are principle and the effect thereof of illustrative the invention only, and the embodiment of part utilization, but not is used for restriction the utility model; Should be pointed out that for the person of ordinary skill of the art under the prerequisite that does not break away from the utility model creation design, can also make some distortion and improvement, these all belong to protection domain of the present utility model.
Claims (3)
1. circular table and slide, lathe bed load-bearing load basic part is characterized in that: it is installed in series and drives the front end position of composite set working portion in the feeding of milling circular beater plate spindle drive; Comprise: lathe bed, lathe bed is provided with slide and slide combines with lathe bed along the rectangular guideway of X-axis line extension, at the circular table that also is provided with holding workpieces on the slide simultaneously with drive the ring-shaped guide rail that combines between circular table does gyration around the C axle slide and circular table, circular table is provided with the clamping workpiece device.
2. circular table according to claim 1 and slide, lathe bed load-bearing load basic part, it is characterized in that: described lathe bed, slide, circular table are the box structure of cloth muscle in the abdominal cavity, and lathe bed is the front end position that box rectangle vertically is installed in milling circular beater plate spindle drive and feeding driving composite set; Bed ways extend in X-axis line direction, on it, are furnished with the rectangular guideway of one or more, be provided with the several tooth bars that meet impulse stroke length and scurry at least one group of the tooth bar group that the connection form installs between lathe bed and slide; Slide is that the rectangular guideway on the box rectangular configuration bottom, abdominal cavity combines with bed ways, and the top is provided with round ring guide and combines with the circular table guide rail, and the slide afterbody is provided with the slide feed drive unit; Circular table is the box structure of cloth muscle in the abdominal cavity, the lower horizontal anchor ring of circular table is provided with ring-shaped guide rail, the vertical side anchor ring is equipped with the gear ring of circular table, the workpiece clamping is installed on the circular table uses anchor clamps, and be furnished with the workpiece of workpiece weight changeable and lay particular stress on balance weight.
3. circular table according to claim 1 and 2 and slide, lathe bed load-bearing load basic part is characterized in that: the slide of supporting circular table clamping workpiece is installed on the lathe bed, combines with lathe bed longitudinal extension guide rail; The slide afterbody is provided with the slide feeding and drives at least one group of transmission case, and the pinion on its device is meshed by driven by servomotor with lathe bed tooth bar group, drives slide through drive unit and does the feed motion of X-axis line along lathe bed longitudinal extension guide rail; Be provided with at least one group in the slide side and drive circular table around the drive unit of C axis gyration, the workbench gear ring engagement that the pinion of C axis gyration drive unit and the lower vertical side ring surface of circular table arrange drives it on the circular table of installation through drive unit and makes the C axis and rotatablely move; Be equipped with in the slide two sides at least more than one group the circular table driving transmission case that rotatablely moves, gearing shaft on the transmission case and power transmission shaft upper and lower and gear ring pinion in mesh and travelling gear, transmission case are made of the form that adopts reversal of the natural order of things to install some travelling gears that are meshed and power transmission shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320021693 CN203045308U (en) | 2013-01-16 | 2013-01-16 | Round work table, slider and lathe bed bearing load basic part |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320021693 CN203045308U (en) | 2013-01-16 | 2013-01-16 | Round work table, slider and lathe bed bearing load basic part |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203045308U true CN203045308U (en) | 2013-07-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320021693 Expired - Fee Related CN203045308U (en) | 2013-01-16 | 2013-01-16 | Round work table, slider and lathe bed bearing load basic part |
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| Country | Link |
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| CN (1) | CN203045308U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103084849A (en) * | 2013-01-16 | 2013-05-08 | 苏州爱博纳重工装备科技有限公司 | Circular operation platform and bearing load foundation part of sliding seat and lathe bed |
-
2013
- 2013-01-16 CN CN 201320021693 patent/CN203045308U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103084849A (en) * | 2013-01-16 | 2013-05-08 | 苏州爱博纳重工装备科技有限公司 | Circular operation platform and bearing load foundation part of sliding seat and lathe bed |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130710 Termination date: 20150116 |
|
| EXPY | Termination of patent right or utility model |