CN100406174C - Conic hole boring machine with adjustable taper - Google Patents
Conic hole boring machine with adjustable taper Download PDFInfo
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- CN100406174C CN100406174C CNB2006100473072A CN200610047307A CN100406174C CN 100406174 C CN100406174 C CN 100406174C CN B2006100473072 A CNB2006100473072 A CN B2006100473072A CN 200610047307 A CN200610047307 A CN 200610047307A CN 100406174 C CN100406174 C CN 100406174C
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Abstract
The conic hole boring machine with adjustable taper includes motor, hole boring cutter, straight boring rod and worm. The motor is connected to the shaft of worm through belt; the worm is meshed with one worm gear mounted on the straight boring rod; the straight boring rod is supported with two supporting units; the conic hole boring cutter is connected to one inclined guide rail with dovetail groove and lead screw groove; and the lead screw inside the lead screw groove is connected to the conic hole boring cutter. The inclined guide rail is fixed onto one clip on the straight boring rod and has the inclination angle adjustable. Each of the boring rod supporting units includes conic sleeve, casing and support board. The present invention has compact structure, small size, light weight, easy assembling and disassembling, simple and accurate conicity regulation, high boring precision and other advantages.
Description
(1) technical field
The present invention relates to the boring processing equipment, particularly relate to shipping rudder blade taper boring frock and Large-Scale Equipment taper boring frock with mechanical.
(2) background technology
The taper hole processing of processing of shipping rudder blade taper hole and Large-Scale Equipment is the difficult problem during Large-Scale Equipments such as puzzlement boats and ships, heavy-duty machinery are made.Because the taper hole of shipping rudder blade taper hole and Large-Scale Equipment belongs to power transmission shaft axis hole or each bearing propeller boss endoporus of transmission device, workpiece assembling back volume is big, weight is big, can't realize high efficiency, high-precision machine tooling, dimensional accuracy, tapering, circularity, axiality and roughness etc. require high in the processing yet above-mentioned these taper holes are accused in system.
Past mainly is to adopt processing of awl boring bar or boring machine processing for the processing of above-mentioned taper hole.Adopt a series of weak points such as the processing of awl boring bar has the cost height, the frock volume weight is big, machining accuracy is low, the processing tapering is non-adjustable, the boring bar recycling rate of waterused is low; And adopt boring machine processing, the own cost height of processing not only, but also produce additional lifting cost of transportation, most important is exactly processing dimension limited (can not process relatively large or super-huge workpiece).
(3) summary of the invention
Purpose of the present invention, provide a kind of conic hole boring machine with adjustable taper, use conic hole boring machine with adjustable taper boring taper hole, can easier adjust tapering (the tapering adjustable range: 1: 10-1: 16) of Boring machine according to the actual tapering of axle, realize that axle and hole have good matching relationship, for the bedding-in work in later stage brings a lot of facilities.
This Boring machine is simple in structure, and is workable.Use this Boring machine processing taper hole, dimensional accuracy, tapering, circularity, axiality and the roughness etc. that can guarantee to process back taper hole well satisfy the specification requirement in the workpiece design fully.
The technical scheme that adopts:
Conic hole boring machine with adjustable taper comprises drive system, straight boring bar, at least two boring spindle supports, slant rails installation clip, axial feed device, taper hole process tool head and end face process tool sub-assemblies.
Drive unit comprises motor, Worm and worm-wheel gearing and electric cabinet.Motor output shaft connects by belt and worm shaft.The worm and wheel engagement, worm gear is installed on the straight boring bar, and is connected with straight boring bar key.
Have along axis on the straight boring bar and offer semi-circular recesses.Boring spindle support comprises tapered sleeve, housing, tapered sleeve adjustment ring and Frame plate.Two boring spindle supports are structurally identical, are separately positioned on the outside, two ends of workpiece to be machined, and wherein tapered sleeve is installed in the housing, and in the whole positioning hole that is arranged on the Frame plate.Tapered sleeve is installed on the straight boring bar, and is connected with straight boring bar key.Be fixed with upper and lower tapering adjustment ring on Frame plate, screw in jackscrew respectively in upper and lower tapering adjustment ring screw, two jackscrews are replaced on housing respectively.Position by the adjustable straightening boring bar of jackscrew.Frame plate is fixedlyed connected with processing work by a plurality of poles.
Taper hole processing cutter head is that female dovetail structure is connected by dovetail groove with slant rail, can slide along slant rail.Taper hole processing cutter head is provided with cutter head and adjusts piece, is connected with taper hole processing cutter head by two screws, by adjusting two screws, taper hole processing cutter head is had well with slant rail contact, and can increase the service life.Slant rail is fixed on the straight boring bar by a plurality of slant rail clips.
The axial feed device comprises feed screw, screw, slant rail, end face cover plate, walks break bar, striker.Leading screw is installed in the leading screw groove on the slant rail, and leading screw one end is supported on the end of slant rail, and the other end is installed on the slant rail end face cover plate, and with walk break bar and be connected, screw is contained on the leading screw, screw is connected with taper hole processing cutter head.
End face process tool sub-assembly comprises that swallow belongs to guide rail, guide rail base, cutter head, leading screw, screw, leading screw cover plate and walks break bar.Swallow belongs to guide rail and is fixed on the guide rail base, and cutter head is connected by dovetail groove with dovetail guide.Leading screw is installed in swallow and belongs in the leading screw groove on the guide rail, and screw is contained on the leading screw, and is connected with cutter head.The cutter travelling wheel is fixedlyed connected by screw with leading screw.End face process tool sub-assembly is by on the end that is bolted to the slant rail clip.The cutter head that has female dovetail is provided with cutter head and adjusts piece at the dovetail place, by adjusting cutter head adjustment piece cutter head is better cooperated with guide rail.This sub-assembly is used for finishing the processing of taper hole end face.
Above-mentioned motor is a variable-frequency motor, is changeing its rotating speed adjusting arbitrarily between Or/min-1450r/min under the constant condition of distance, and by belt and worm gearing straight boring bar revolution is being controlled on the optional position, to improve machining accuracy.
In the slant rail clip of above-mentioned support slant rail, its clip clamping place, two passes is provided with four taperings and adjusts screws, can very accurately adjust the taper value of wanting.
On the above-mentioned slant rail clip keyway is arranged, the key on the slant rail lower surface inserts in the keyway, prevents that slant rail from rotating.
It is 1: 12 tapered cover that above-mentioned bearing and housing are tapering, and bearing is that bronze material is made, and is provided with oil-way in it, to improve service life.
Above-mentioned axial feed device can be selected the striker of suitable leading screw, screw or installation varying number according to the actual processing needs of workpiece, finishes the free adjustment of axial feeding.
The utlity model has compact conformation, volume is little, and is in light weight, site operation moves, easy accessibility, and tapering is regulated easy, accurate, the machining accuracy height, advantages such as processing cost is low, and applicability is strong, the scene that can be widely used in taper holes such as shipbuilding, petrochemical industry, heavy-duty machinery processes.
(4) description of drawings
Fig. 1 is the structural representation of a kind of embodiment of the present invention.
Fig. 2 is the A-A view of Fig. 1.
Fig. 3 is the B-B view of Fig. 1.
Fig. 4 is the C-C view of Fig. 1.
Fig. 5 is an end face process tool sub-assembly schematic appearance.
Fig. 6 is the A-A view of Fig. 5.
Fig. 7 is the B-B view of Fig. 5.
(5) specific embodiment
Conic hole boring machine with adjustable taper comprises that drive system, straight boring bar 8, two boring spindle supports, slant rails install clip 33, axial feed device, taper hole processing cutter head 29 and end face process tool sub-assembly.
Boring spindle support comprises tapered sleeve 12, housing 13, Frame plate 15.Tapered sleeve 12 is packed in the housing 13, is sleeved on the straight boring bar 8.After housing 13 usefulness round nuts 16 back ofs the body are tight, in the positioning hole on the Frame plate 15 of packing into.Be fixed with tapered sleeve adjustment ring 17, following tapered sleeve adjustment ring 14 on the Frame plate 15 respectively.Screw in first adjustment screw 19, second adjustment screw 20 in the upper/lower cone adjustment ring respectively, and replace respectively on housing 13.Seat board 7 is by being bolted on the Frame plate 15 or being welded in the work.Frame plate 15 is fixedlyed connected with work piece 22 by 4 poles 18, and pole 18 length should be lacked as far as possible, to improve the integral rigidity of frock.Can regulate the position of straight boring bar 8 by two adjustment screw 19,20.With two boring spindle supports that straight boring bar frame is good, the spacing of two boring spindle supports surpasses at 10: 1 o'clock with the diameter ratio of straight boring bar 8, can increase boring spindle support again, to increase the integral rigidity of frock.
The axial feed device comprises that first leading screw 21, first screw 46, slant rail 23, end face gland 24, first walk break bar 25 and striker.Slant rail 23 has the support plate 26 and the key 27 of downward extension.Have leading screw groove 28, the first leading screws 21 to be installed in the leading screw groove 28 on the slant rail upper surface, first screw 46 is contained on first leading screw 21.First screw 46 is fixedlyed connected with first cutter head 29.First cutter head 29 is connected with slant rail 23 dovetail grooves coupling, the female dovetail of one side of first cutter head 29 place is provided with first and adjusts piece 30, by adjusting the first first adjustment screw 31 and the second adjustment screw of adjusting on the piece 30 32 first cutter head 29 is well contacted with slant rail 23.The rear end of first leading screw 21 is supported on the end of slant rail 23, and its front end is a square shaft, passes the 24 back insertions first of slant rail end face cover plate and walks in the square hole of break bar 25.Slant rail 23 is supported by a plurality of clips 33, in the keyway that the key 27 on the slant rail 23 inserts on the clips 33, and with bolt 34 support plates 26 and the clip 33 that slant rail 23 extends downwards is fixed together.Slant rail is installed clip 33 and is installed on the straight boring bar 8.
Motor rotates and to drive worm screw by belt pulley and rotate, and drives the straight boring bar of worm gear drives and rotates, and in straight boring bar rotation, in desired location and the striker term of validity mutually, striker is stirred away break bar and rotated to an angle.And then drive leading screw and rotate, screw travels forward and drives cutter head and slide on slant rail, realizes axial feed.
End face process tool sub-assembly comprises that dovetail guide 44, guide rail base 45, second cutter head 35, second leading screw 36, second screw 37, leading screw cover plate 38 and second walk break bar 39.Second cutter head 35 and dovetail guide 44 are connected by dovetail groove, and second cutter head, 35 dovetail places are provided with second and adjust piece 40, adjust screw the 41, the 4th by the 3rd and adjust screw 42 and regulate second and adjust piece 40, and cutter head is contacted well with guide rail.Second leading screw 36 is contained in the leading screw groove on the dovetail guide 44, and second screw 37 is contained on second leading screw 36, and second screw 37 is fixedlyed connected with second cutter head 35.Second leading screw, 36 front ends pass the axis hole that break bar 39 is walked in the 38 back insertions second of leading screw cover plate, and tight with the nut back of the body.After finishing workpiece bore, the connecting plate 43 of end face process tool sub-assembly is fixedlyed connected with a side of clip 33 by bolt.
Its process principle is with the processing of above-mentioned taper hole.
The scene of conic hole boring machine with adjustable taper is installed and is used:
1, conic hole boring machine with adjustable taper is on-the-spot installs
Conic hole boring machine with adjustable taper belongs to on-the-spot machining apparatus, is implemented on rudder blade body or the Large-Scale Equipment no ground usually.Determine the position of pole 18 according to the requirement of workpiece to be machined, pole is welded on the end face of workpiece to be machined.
Tapered sleeve 12 in the bracing or strutting arrangement (Fig. 3) was put into body 13, be through together on the straight boring bar 8 later on tight round nut 16; Bearing is filled it up with lubricant grease, with bracing or strutting arrangement with firm being fixed on the pole 18 of studs.Loosen the bolt that is connected of bear box 13 and Frame plate 15, by given datum mark, first adjustment screw 19 on the adjusting bracket daughter board 15, second adjustment screw 20 accurately locates straight boring bar 8, make the definite dead in line of straight boring bar 8 axis and given datum mark.The bolt that is connected of rugged housing 13 and Frame plate 15 tight, is checked the location situation of straight boring bar 8 with tapered sleeve clip jackscrew, guarantee straight boring bar 8 location meet the specification in the requirement of regulation.
Manually stir away break bar, check whether its running is flexible.Connect power supply, carry out run-in test, install the break bar striker in place after all are normal, after this can carry out the boring processing of taper hole.
2, the boring of taper hole processing
At first manually stir first walk break bar 25 with first cutter head 29 move to processing end face beyond, by hand cutter is installed in the tool bore, determine the overhang of cutter by suitable bite, tight cutter fastening first is adjusted screw 31, start variable-frequency motor 1, and regulate the rotating speed of variable-frequency motor 1 according to actual processing, make straight boring bar 8 with suitable revolution revolution, beginning conic boring processing.
After the work step completion of processing, powered-down with the cutter 2-3mm that withdraws, manually or with the pneumatic knife system that shakes moves to first cutter head 29 beyond the processed end face again, adjusts cutter again, carries out next step boring, repeats above step, until the taper hole completion of processing.
3, end face processing
After the taper hole completion of processing, be folded down away the break bar striker, connecting plate 43 is installed to be needed on the one skew back guide rail clip 33 of processing end, fixing bolt tightly.The rotary space of at first confirming end face set of knives component does not have the test run of the back of interference, after all are normal the feed striker is installed in place, manually stirring second walks break bar 39 second cutter head 35 is moved in the processing end face inner edge, by hand cutter is installed in the tool bore, determine the overhang of cutter by suitable bite, the tight fastening jackscrew of cutter.Start variable-frequency motor 1, and regulate the rotating speed of variable-frequency motor 1, make straight boring bar 8 with suitable revolution revolution, the processing of beginning end face boring according to actual processing.
After the work step completion of processing, powered-down is with the cutter 2-3mm that withdraws, manually or with the pneumatic knife system that shakes second cutter head 35 is moved in the processed end face inner edge again, adjust cutter again, carry out the boring of work step, repeat above step, until the end face completion of processing.
Claims (4)
1. conic hole boring machine with adjustable taper comprises that drive system, straight boring bar (8), two boring spindle supports, slant rails install clip (33), axial feed device, taper holes processing cutter head (29), it is characterized in that:
A, straight boring bar (8) upper edge axis offers semi-circular recesses (9), straight boring bar (8) two ends are provided with boring bar end face gland (10), drive system comprises variable-frequency motor (1) and worm gearing, worm gearing comprises worm screw (4), worm gear (5), worm gear (5) and worm screw (4) engagement, shaft gear on the variable-frequency motor output shaft connects by the shaft gear on belt (2) and worm screw (4) axle, worm screw (4) two end axles is supported by the bearing block that bearing is housed (6) respectively, two bearing blocks (6) are separately fixed on the seat board (7), and worm gear (5) is sleeved on the straight boring bar (8);
B, boring spindle support, comprise tapered sleeve (12), housing (13), Frame plate (15), tapered sleeve (12) is packed in the housing (13), is sleeved on the straight boring bar (8), pack in the positioning hole on the Frame plate (15), Frame plate (15) is fixedlyed connected with work piece (22) by a plurality of poles (18);
C, the axial feed device, comprise first leading screw (21), first screw (46), slant rail (23), end face gland (24), first walks break bar (25), leading screw groove (28) is arranged on the slant rail upper surface, first leading screw (21) is installed in the leading screw groove (28), first screw (46) is contained on first leading screw (21), first screw (46) is fixedlyed connected with taper hole processing cutter head (29), taper hole processing cutter head (29) is connected with slant rail (23) dovetail groove coupling, the rear end of first leading screw (21) is supported on the end of slant rail (23), its front end passes slant rail end face gland (24) back and first and walks break bar (25) and fixedly connected, slant rail (23) is fixed on slant rail and installs on the clip (33), and slant rail is installed clip (33) and is installed on the straight boring bar (8).
2. conic hole boring machine with adjustable taper according to claim 1 is characterized in that a side of described slant rail installation clip (33) is fixedly connected with end face process tool sub-assembly; End face process tool sub-assembly comprises dovetail guide (44), guide rail base (45), second cutter head (35), second leading screw (36), second screw (37), leading screw cover plate (38) and second is walked break bar (39), second cutter head (35) is connected by dovetail groove with dovetail guide (44), second cutter head (35) dovetail place is provided with second and adjusts piece (40), adjust screw (41) by the 3rd, the 4th adjusts screw (42) regulates the second adjustment piece (40), second cutter head (35) is contacted with guide rail well, second leading screw (36) is contained in the leading screw groove on the dovetail guide (44), second screw (37) is contained on second leading screw (36), second screw (37) is fixedlyed connected with second cutter head (35), and second leading screw (36) front end passes leading screw cover plate (38) back and second and walks break bar (39) and fixedly connected.
3. conic hole boring machine with adjustable taper according to claim 1 is characterized in that described worm gear (5) is sleeved on straight boring bar (8) and goes up the back by two clips (11) location; Described seat board (7) is fixedlyed connected with Frame plate (15) by bolt.
4. conic hole boring machine with adjustable taper according to claim 1, it is characterized in that being fixed with respectively on the described Frame plate (15) tapered sleeve adjustment ring (17), following tapered sleeve adjustment ring (14), screw in first adjustment screw (19), second adjustment screw (20) in the upper and lower tapered sleeve adjustment ring respectively, and replace respectively on housing (13); The female dovetail of one side of taper hole processing cutter head (29) place is provided with first and adjusts piece (30), the first adjustment screw (31) and the second adjustment screw (32).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100473072A CN100406174C (en) | 2006-07-26 | 2006-07-26 | Conic hole boring machine with adjustable taper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100473072A CN100406174C (en) | 2006-07-26 | 2006-07-26 | Conic hole boring machine with adjustable taper |
Publications (2)
| Publication Number | Publication Date |
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| CN1887488A CN1887488A (en) | 2007-01-03 |
| CN100406174C true CN100406174C (en) | 2008-07-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2006100473072A Active CN100406174C (en) | 2006-07-26 | 2006-07-26 | Conic hole boring machine with adjustable taper |
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| CN (1) | CN100406174C (en) |
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| CN102513571A (en) * | 2011-12-29 | 2012-06-27 | 中航威海船厂有限公司 | Bboring machine for processing large-hole diameter |
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| CN108772583A (en) * | 2018-06-28 | 2018-11-09 | 中船澄西船舶修造有限公司 | A kind of shipping rudder blade taper hole boring row |
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| CN114160841A (en) * | 2021-11-30 | 2022-03-11 | 福建省马尾造船股份有限公司 | On-site grinding tool for oversized taper hole and using method thereof |
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| CN1887488A (en) | 2007-01-03 |
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Owner name: BOHAI SHIPYARD GROUP CO., LTD. Free format text: FORMER OWNER: BOHAI SHIP HEAVY INDUSTRY CO LTD. Effective date: 20100817 |
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Effective date of registration: 20100817 Address after: 125000 Huludao City, Liaoning province Longgang District Jinhu Road No. 132 Patentee after: Bohai Shipyard Group Co., Ltd. Address before: 125000 Huludao City, Liaoning province Longgang District Jinhu Road No. 132 Patentee before: Bohai Ship Heavy Industry Co., Ltd. |