CN102248195B - Portable hole boring machine - Google Patents
Portable hole boring machine Download PDFInfo
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- CN102248195B CN102248195B CN 201110153419 CN201110153419A CN102248195B CN 102248195 B CN102248195 B CN 102248195B CN 201110153419 CN201110153419 CN 201110153419 CN 201110153419 A CN201110153419 A CN 201110153419A CN 102248195 B CN102248195 B CN 102248195B
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Abstract
The invention discloses a portable hole boring machine which comprises a boring rod, a feed screw, a main shaft box and a feed box, wherein two ends of the feed screw can be respectively and relatively arranged in screw support seats in square grooves at two ends of the boring rod rotationally; the boring rod can be relatively and rotationally arranged in end face supports which are positioned at two ends of the boring end and are used for being detachably arranged at the left side and the right side of a workpiece in a matching manner; the main shaft box is directly sleeved on the boring rod, so that a main shaft sleeve of the main shaft box is tightly matched with the boring rod; the feed box comprises a box body and a gear reducing mechanism arranged in the box body; an input shaft of the gear reducing mechanism extends outwards through the box body and is fixedly connected with a stop rod by which the input shaft is immovable in the processing flow; and the feed box is sleeved in the tail end of the boring rod, so that the feed screw is tightly matched with an output shaft of the gear reducing mechanism and the feed box is fixedly connected with the boring rod. According to the portable hole boring machine disclosed by the invention, a modular structure is adopted and various parts are respectively and detachably arranged on the boring rod. In addition, the mounting method is simple and is convenient for field maintenance and processing.
Description
Technical field
The present invention relates to a kind of Boring machine, particularly a kind of Portablle boring machine that stern tube shaft is carried out bore hole, i.e. stern tube shaft boring row.
Background technology
Present Boring machine all is suitable for workshop processing, be not easy to carrying and on-the-spot the installation, like this, even when main equipment (such as screw shaft of ship) is carried out maintenance and fabrication, also need it is carried to, and be positioned at and carry out bore hole and/or boring end face on the Boring machine, and the carrying of main equipment and location all are very difficult, setting is impossible, and this has just increased the difficulty of maintenance and fabrication.In addition, the front and back bearings fulcrum of the boring bar of the Boring machine that can process large-scale elongate articles (such as screw shaft of ship) is longer, therefore, boring bar easily produces amount of deflection in stern pipe stage casing, this will directly affect concentricity, linearity and the cone compression of front and back bearings, then have influence on the installation of follow-up five metals bearing, if boring bar is pressed into the distortion that will cause the five metals bearing by force, make bearing and stern tube shaft gap deviation occur.
Summary of the invention
The purpose of this invention is to provide a kind of scene that is transported to, and it is installed on the Portablle boring machine of processing on the workpiece.
The technical solution used in the present invention is: a kind of Portablle boring machine, comprise the main spindle box that boring bar, feed screw, drive boring bar rotate and drive the feed box that feed screw rotates, described feed screw be installed on boring bar in the cavity of its outer wall, the two ends of described feed screw be installed on rotatably respectively be connected in the boring bar two ends square groove in the leading screw supporting seat in; Described boring bar cooperates rotatably and is installed in the left side and its right end face that are used for being removably installed on the workpiece that are arranged in two ends and supports;
Add the main spindle box that is fixed on man-hour on the workpiece and directly be placed on the described boring bar, make collar bush and the boring bar tight fit of main spindle box; And,
Described feed box comprises casing and is installed on the interior gear shift of casing, the power shaft of described gear shift is protruding by casing, be fixed with on the described power shaft and in process, make its fixed arresting lever, described feed box is inserted in the tail end of boring bar, make the output shaft tight fit of feed screw and gear shift, and, feed box and boring bar are connected.
Preferably, described Portablle boring machine also disposes center support, described center support comprises that all slip center support and the roll center between left side and its right end face support supports, described slip center support and roll center support respectively to be adjusted screw rods by first and second and is removably installed on the bracing frame on workpiece or the workpiece, described boring bar and the vertically sliding connection of slip center support, the inner ring tight fit connection of the rolling bearing that supports with roll center.
Preferably, described main spindle box comprises main spindle box body, described collar bush, adjusting sleeve, Worm Wheel System pair and main shaft bearing, the outer ring of described main shaft bearing is installed in the main spindle box body, adjusting sleeve and worm gear and be positioned at the inner ring tight fit of the described main shaft bearing of worm gear both sides are interior external conical sleeve tight fit structure between described collar bush and adjusting sleeve; Be provided with the key syndeton that is fitted to each other on described adjusting sleeve and the boring bar.
Preferably, be provided with the open slot that extends vertically on the described boring bar, aperture apparatus is to limit it relative to mode and this open slot sliding connection that boring bar rotates in the boring, and a nut that is connected with described feed screw threaded engagement is connected by aperture apparatus in described open slot and the boring.
Preferably, aperture apparatus comprises boring tool holder, parallels and is used for the boring cutter holder of mounting cutter in the described boring, and aperture apparatus is by boring tool holder and open slot sliding connection in the described boring, and described boring cutter holder is connected on the described boring tool holder by parallels.
Preferably, described left end face supports and is connected in the bracing frame on the workpiece when comprising processing and is installed in left side regulating center bearing base in the endoporus of bracing frame by the left side adjustment screw, and described boring bar is installed in the endoporus of left side regulating center bearing base by the left side self-aligning bearing.
Preferably, described its right end face supports the right side regulating center bearing base in the endoporus that is connected in the support boom on the workpiece when comprising processing and is installed in the support boom by the right side adjustment screw, and described boring bar is installed in the endoporus of right side regulating center bearing base by the right side self-aligning bearing.
Preferably, described Portablle boring machine also disposes the boring end surface means, and described boring end surface means comprises end mill holder, end mill tool arm, end mill gearbox, end mill knife rest and travelling gear;
Described end mill holder is segmentation structure, and each section of described end mill holder is placed on the boring bar, and by securing member with each section winding together, the end mill holder closely is connected with boring bar;
Described end mill tool arm is installed on the end mill holder by securing member, described end mill gearbox is installed on the end mill tool arm, and the output shaft of described end mill gearbox is connected by gear mechanism transmission with the radial feed screw of radially arranging on being installed on the end mill tool arm;
The radial feed nut that is connected with its threaded engagement is installed on the described feed screw, and described end mill knife rest is fixed on the radial feed nut; And,
The input of described end mill gearbox is that Worm Wheel System is secondary, the pinion of travelling gear with limit its in relative rotation mode be installed on vertically on the worm screw as the power shaft of end mill gearbox of arranging, the gear wheel that is meshed with pinion of travelling gear is set on the boring bar to limit its axially movable mode by clip; Be equipped with on the described gear wheel and in process, make its fixed end mill arresting lever.
Beneficial effect of the present invention is: at first, Portablle boring machine of the present invention adopts modular construction, and main spindle box, feed box, center support, left side and its right end face support to be and be removably mounted on the boring bar, and, installation method is simple, is convenient to carry out field maintenance processing; Secondly, feed box of the present invention as power, can be realized auto-feed with the rotation of boring bar, need not to be feed box configuration driven motor; Again, the present invention can avoid elongated boring bar to produce amount of deflection in the stage casing by center support is set, and can reduce amount of deflection at least; At last, dispose the boring end surface means, can carry out the processing of boring end face.
Description of drawings
Fig. 1 is the cutaway view of Boring machine of the present invention;
Fig. 2 is the structural representation of aperture apparatus in the boring shown in Figure 1;
Fig. 3 is the structural representation of boring end surface means shown in Figure 1.
The specific embodiment
As shown in Figure 1, Boring machine of the present invention comprises main spindle box 1, feed box 2, boring bar 9 and feed screw 10, this boring bar 9 cooperate rotatably be installed on the left end face that is arranged in two ends support 1 and its right end face support 8, wherein, left end face support 1 and its right end face support 8 all are removably installed on the workpiece 11 by frock at the scene.
This main spindle box 1 comprises main spindle box body 101, collar bush 102, adjusting sleeve 103, Worm Wheel System pair and main shaft bearing 104, the outer ring of this main shaft bearing 104 is installed in the main spindle box body 101, the Worm Wheel System pair is installed in the main spindle box body 101, adjusting sleeve 103 and worm screw 105, and the inner ring tight fit that is positioned at this main shaft bearing 104 of worm screw 105 both sides, this collar bush 102 and adjusting sleeve 103 tight fits.Being provided with the key syndeton that is fitted to each other on this adjusting sleeve 103 and the boring bar 9, is that wedge structure cooperates between this adjusting sleeve 103 and the collar bush 102.When installing at the scene, first main spindle box is placed on the boring bar 9, collar bush 102 and boring bar 9 are linked together by the key syndeton, by regulating adjusting sleeve 103 collar bush 102 closely is connected with boring bar 9 again; Afterwards, at main spindle box body 101 clamp is installed, and main spindle box 1 is connected by clamp and workpiece.During work, the worm screw of Worm Wheel System pair makes main shaft interplanting gyration by driven by servomotor by worm gear, and then the drive boring bar carries out machining.
Similar to existing Boring machine, this feed screw 10 be installed on boring bar 9 in the cavity of its outer wall, the two ends of feed screw 10 are installed on respectively in the leading screw supporting seat in the square groove that is connected in boring bar 9 two ends rotatably, as the two ends of feed screw 10 respectively with corresponding separately leading screw supporting seat in the inner ring tight fit of bearing.This boring bar 9 is provided with the open slot that in axial direction extends, aperture apparatus 5 rotates relative to boring bar to limit it in the boring mode and this open slot sliding connection, a nut (not shown in figure 1) that is connected with feed screw 10 threaded engagement is connected by aperture apparatus 5 in this open slot and the boring, and aperture apparatus 5 in axial direction moves relative to boring bar 9 in the boring to drive.
This feed box 2 comprises casing and is installed on the interior gear shift of casing, the power shaft of this gear shift is protruding by casing, one arresting lever 201 is fixed on the external part of this power shaft, this feed box 2 is inserted in the tail end of boring bar 9, make the output shaft tight fit of feed screw 10 and gear shift, by connecting bolt feed box 2 is fixed on the flange that is arranged on boring bar 9 tail ends.When process operation, arresting lever 201 is fixed by pull bar, and namely the power shaft of gear shift maintains static, like this, when boring bar 9 drives feed box 2 rotation, just can drive feed screw 10 by output shaft and itself rotate, realize aperture apparatus 5 feed motion vertically in the boring.
As shown in Figure 2, aperture apparatus 5 comprises boring tool holder 501, parallels 502 and boring cutter holder 503 in this boring, and aperture apparatus 5 is by boring tool holder 501 and open slot sliding connection in this boring, and this boring cutter holder 503 is installed on the boring tool holder 501 by parallels 502.Add man-hour, can adjust according to the diameter range of the endoporus of workpiece 11 required processing the thickness of parallels 502.
In order to prevent that elongated boring bar from the stage casing deflection deformation occuring, this Portablle boring machine is configurable center support also, this center support comprises that as shown in Figure 1 slip center support 6 and roll center support 7, this slip center support 6 and roll center support 7 and adjust screw rods by first and second respectively and be removably installed on the bracing frame on workpiece 11 or the workpiece, and the two all supports between 8 in left end face support 1 and its right end face, wherein, boring bar 9 and vertically sliding connection of slip center support 6, support the inner ring tight fit connection of 7 rolling bearing with roll center, can adjust the locus that screw rod is adjusted respectively slip center support 6 and roll center support 7 by first and second like this, guarantee the axiality of the two and boring bar 8, at the present embodiment, by upper, lower, before, rear four first adjust screw rods vertically with the position of horizontal direction adjustment slip center support 6, equally, by upper, lower, before, adjust screw rod is vertically adjusted roll center support 7 with horizontal direction position for rear four second.According to Workpiece length, a configurable cover or two cover center support in the middle of the boring bar.
This left end face supports 1 and comprises bracing frame and be installed in left side regulating center bearing base in the endoporus of bracing frame by the left side adjustment screw, boring bar 9 is installed in the endoporus of left side regulating center bearing base by the left side self-aligning bearing, during use, can vertically adjust by the left side adjustment screw position of left side regulating center bearing base with horizontal direction.
This its right end face supports the 8 right side regulating center bearing bases that comprise in the endoporus that supports boom and be installed in the support boom by the right side adjustment screw, boring bar 9 is installed in the endoporus of right side regulating center bearing base by the right side self-aligning bearing, during use, can vertically adjust by the right side adjustment screw position of right side regulating center bearing base with horizontal direction.
During on-the-spot the installation, this bracing frame and support boom all are connected on the workpiece 11 by frock.
Can finish the processing of boring end face in order to make Portablle boring machine of the present invention, it also may be configured with boring end surface means 4 as shown in Figure 1, as shown in Figure 3, this boring end surface means 4 comprises end mill holder 401, end mill tool arm 402, end mill gearbox 403, end mill knife rest 404 and travelling gear, this end mill holder 401 is for enclosing the segmentation structure that is connected together by securing member, during installation, each section of end mill holder 401 is placed on the boring bar 9, and by securing member with each section winding together, end mill holder 401 closely is connected with boring bar, at this, end mill holder 401 and boring bar 9 can be provided with the key syndeton that is fitted to each other, in the present embodiment, this end mill holder 401 adopts the two-period form structure of being convenient to assemble most.This end mill tool arm 402 is installed on the end mill holder 401 by securing member, this end mill gearbox 403 is installed on the end mill tool arm 402, and the output shaft of end mill gearbox 403 is connected by gear mechanism transmission with the radial feed screw of radially arranging 407 on being installed on end mill tool arm 402.The radial feed nut 408 that is connected with its threaded engagement is installed on this feed screw 407, and this end mill knife rest 404 is fixed on this radial feed nut 408.The input of this end mill gearbox 403 is that Worm Wheel System is secondary, the worm screw of arranging vertically is as the power shaft of end mill gearbox 403, the pinion 405 of travelling gear with limit its in relative rotation mode be installed on the power shaft of end mill gearbox 403, the gear wheel 406 that is meshed with pinion 405 of travelling gear is set on the boring bar 9 to limit its axially movable mode by clip 409.On this gear wheel 406 the end mill arresting lever is installed, this end mill arresting lever is fixed by fixtures such as pull bars, namely when boring bar 9 rotates, gear wheel 406 does not play rotation with one, like this, under the effect of travelling gear, just can drive radial feed screw 407 by end mill gearbox 403 and rotate, and then make radially feeding of end mill knife rest 404, finish the processing of boring end face.
In addition, in order to guarantee the linearity of end mill knife rest 404 motions, can be provided with the guide rail with its sliding connection on this end mill tool arm 402.
The gear shift of this feed box 2 and end mill gearbox 403 all should be provided with gear change hand lever and reversing handle, with the rotating speed that changes feed screw and radial feed screw 407 with turn to, this can realize by the shifting slide gear group is set, at this, said gear gear and end mill gearbox 403 structural designs own are not the inventive point of not inventing, do not repeat them here, it will be clear to one skilled in the art that this part can realize by existing project organization fully.
The installation process of Portablle boring machine of the present invention is as follows:
1. install and support and knife rest
(1) center support is pushed on the correct position of boring bar 9 centres, the locknut on the tapered sleeve of adjusting rolling center support 7 makes its inner conical drogue and boring bar close-fitting;
(2) aperture apparatus in the boring 5 is pushed on the middle correct position of boring bar, connect the nut on boring bar and the feed screw;
(3) left side and right side regulating center bearing base are pushed on the correct position of boring bar, regulate the locknut on the two tapered sleeve, make end face support inner conical drogue and boring bar 9 close-fittings;
(4) bracing frame is linked to each other with workpiece by frock respectively with the support boom, make its center consistent with the workpiece hole center.
(5) with boring bar together with aperture apparatus in the boring 5, center support, and, left side and right side regulating center bearing base insert in the endoporus of workpiece, left side and right side regulating center bearing base are in respectively on the correct position of bracing frame and support boom, screw is adjusted on adjusting left side and right side, makes left side and right side regulating center bearing base concentric with bracing frame and support boom respectively; And center support is connected on the bracing frame on workpiece 11 or the workpiece.
2. main spindle box 3 is installed
Main spindle box 3 is inserted in boring bar 9, at main spindle box 3 clamp is installed, then clamp is connected with workpiece., with the assurance worm screw preferably lubricant effect is arranged in the running as far as possible with the main spindle box worm screw down during use.
3. feed box 2 is installed
Feed box is inserted in the boring bar tail end, the connecting bolt of locking feed box and boring bar flange at tail end.
4. installation servomotor
Servomotor is installed in the worm screw end of main spindle box
5. main frame accurate adjustment
(1), instrument: dial gauge, dial indicator holder, various spanner.
(2), at boring bar dial gauge and dial indicator holder are installed, dial gauge is aimed at machining hole, control boring bar low speed rotation is readjusted the position of support, makes boring bar concentric with hole to be processed;
(3), dial gauge is aimed at the machining hole end face, control boring bar low speed rotation is readjusted the position of two end supports, makes boring bar vertical with hole end surface to be processed.
6. mounting cutter
According to workpiece processing request install and adjust cutter.
Set suitable feed speed by feed box and can carry out Boring.
When needs boring end face, need boring end surface means 4 is installed, installation steps are as follows:
1, the end mill holder is installed;
2, installation end milling cutter arm;
3, installation end milling transmission box;
4, installation end carriage arbor;
5, clip and travelling gear are installed.
Claims (7)
1. Portablle boring machine, comprise the main spindle box that boring bar, feed screw, drive boring bar rotate and drive the feed box that feed screw rotates, described feed screw be installed on boring bar in the cavity of its outer wall, the two ends of described feed screw be installed on rotatably respectively be connected in the boring bar two ends square groove in the leading screw supporting seat in; It is characterized in that: described boring bar cooperates rotatably and is installed in the left side and its right end face that are used for being removably installed on the workpiece that are arranged in two ends and supports;
Add the main spindle box that is fixed on man-hour on the workpiece and directly be placed on the described boring bar, make collar bush and the boring bar tight fit of main spindle box; And,
Described feed box comprises casing and is installed on the interior gear shift of casing, the power shaft of described gear shift is protruding by casing, be fixed with on the described power shaft and in process, make its fixed arresting lever, described feed box is inserted in the tail end of boring bar, make the output shaft tight fit of feed screw and gear shift, and, feed box and boring bar are connected;
Described Portablle boring machine also disposes the boring end surface means, and described boring end surface means comprises end mill holder, end mill tool arm, end mill gearbox, end mill knife rest and travelling gear;
Described end mill holder is segmentation structure, and each section of described end mill holder is placed on the boring bar, and by securing member with each section winding together, the end mill holder closely is connected with boring bar;
Described end mill tool arm is installed on the end mill holder by securing member, described end mill gearbox is installed on the end mill tool arm, and the output shaft of described end mill gearbox is connected by gear mechanism transmission with the radial feed screw along the radial arrangement of boring bar on being installed on the end mill tool arm;
The radial feed nut that is connected with its threaded engagement is installed on the described radial feed screw, and described end mill knife rest is fixed on the radial feed nut; And,
The input of described end mill gearbox is that Worm Wheel System is secondary, the pinion of travelling gear with limit its in relative rotation mode be installed on vertically on the worm screw as the power shaft of end mill gearbox of arranging, the gear wheel that is meshed with pinion of travelling gear is set on the boring bar to limit its axially movable mode by clip; Be equipped with on the described gear wheel and in process, make its fixed end mill arresting lever.
2. Portablle boring machine according to claim 1, it is characterized in that: also dispose center support, described center support comprises that all slip center support and the roll center between left side and its right end face support supports, described slip center support and roll center support respectively to be adjusted screw rods by first and second and is removably installed on the bracing frame on workpiece or the workpiece, described boring bar and the vertically sliding connection of slip center support, the inner ring tight fit connection of the rolling bearing that supports with roll center.
3. Portablle boring machine according to claim 1, it is characterized in that: described main spindle box comprises main spindle box body, described collar bush, adjusting sleeve, Worm Wheel System pair and main shaft bearing, the outer ring of described main shaft bearing is installed in the main spindle box body, adjusting sleeve and worm gear and be positioned at the inner ring tight fit of the described main shaft bearing of worm gear both sides are interior external conical sleeve tight fit structure between described collar bush and adjusting sleeve; Be provided with the key syndeton that is fitted to each other on described adjusting sleeve and the boring bar.
4. Portablle boring machine according to claim 1, it is characterized in that: be provided with the open slot that extends vertically on the described boring bar, aperture apparatus is to limit it relative to mode and this open slot sliding connection that boring bar rotates in the boring, and a nut that is connected with described feed screw threaded engagement is connected by aperture apparatus in described open slot and the boring.
5. Portablle boring machine according to claim 4, it is characterized in that: the interior aperture apparatus of described boring comprises boring tool holder, parallels and is used for the boring cutter holder of mounting cutter, aperture apparatus is by boring tool holder and open slot sliding connection in the described boring, and described boring cutter holder is connected on the described boring tool holder by parallels.
6. Portablle boring machine according to claim 1, it is characterized in that: described left end face supports and is connected in the bracing frame on the workpiece when comprising processing and is installed in left side regulating center bearing base in the endoporus of bracing frame by the left side adjustment screw, and described boring bar is installed in the endoporus of left side regulating center bearing base by the left side self-aligning bearing.
7. Portablle boring machine according to claim 1, it is characterized in that: described its right end face supports the right side regulating center bearing base in the endoporus that is connected in the support boom on the workpiece when comprising processing and is installed in the support boom by the right side adjustment screw, and described boring bar is installed in the endoporus of right side regulating center bearing base by the right side self-aligning bearing.
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CN 201110153419 CN102248195B (en) | 2011-06-09 | 2011-06-09 | Portable hole boring machine |
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CN 201110153419 CN102248195B (en) | 2011-06-09 | 2011-06-09 | Portable hole boring machine |
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CN102248195B true CN102248195B (en) | 2013-01-23 |
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Families Citing this family (7)
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CN103551608B (en) * | 2013-10-29 | 2016-01-06 | 安徽全柴动力股份有限公司 | A kind of numerical control composite boring cutters of bidirectional modulation |
CN103691988B (en) * | 2013-12-12 | 2015-12-16 | 武汉武船重型装备工程有限责任公司 | A kind of portable vertical boring machine |
CN107234258B (en) * | 2017-07-06 | 2023-10-10 | 昆山华恒焊接股份有限公司 | Boring cutter mechanism for machining chuck of pipeline beveling machine and chuck machining method |
CN109454477A (en) * | 2018-12-27 | 2019-03-12 | 江苏博林机械制造有限公司 | A kind of novel planar knife rest |
CN111889703A (en) * | 2020-07-31 | 2020-11-06 | 广州市欧树环保科技有限公司 | Boring cutter for machining end face of gearbox |
CN113059217A (en) * | 2021-06-03 | 2021-07-02 | 佛山新成洪鼎机械技术有限公司 | Boring machine capable of machining inner hole and end face |
CN113857918B (en) * | 2021-10-14 | 2023-03-10 | 上海外高桥造船有限公司 | Digital boring device for ship subsection stern shaft tube |
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JP3716681B2 (en) * | 1999-08-30 | 2005-11-16 | 三菱自動車エンジニアリング株式会社 | Hole processing equipment |
CN2574810Y (en) * | 2002-10-30 | 2003-09-24 | 黄润樟 | Multifunction key duplicating machine |
CN2645826Y (en) * | 2003-10-20 | 2004-10-06 | 渤海船舶重工有限责任公司 | Device for on-site processing of inner hole of large aperture bearing hub |
CN201008988Y (en) * | 2007-03-26 | 2008-01-23 | 渤海船舶重工有限责任公司 | Boring spindle intermediate support device of large-scale equipment boring field processing |
CN202162407U (en) * | 2011-06-09 | 2012-03-14 | 广州新成机械技术有限公司 | Portable boring machine |
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