CN203956128U - General boring folder boring head - Google Patents

General boring folder boring head Download PDF

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Publication number
CN203956128U
CN203956128U CN201420413258.XU CN201420413258U CN203956128U CN 203956128 U CN203956128 U CN 203956128U CN 201420413258 U CN201420413258 U CN 201420413258U CN 203956128 U CN203956128 U CN 203956128U
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China
Prior art keywords
boring
boring head
rod
head
adjusting screw
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CN201420413258.XU
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Chinese (zh)
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刘成
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Chengdu Aircraft Industrial Group Co Ltd
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Chengdu Aircraft Industrial Group Co Ltd
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Abstract

The general boring folder of the disclosed one of the utility model boring head, aims to provide one simple in structure, and clamping is reliable, has the bore hole boring clamp device of versatility.The utility model is achieved by following technical proposals: be shaped with trapezoidal guide runner (9) at cutter holder lower end step, trapezoidal guide runner (9) is assemblied in the guide rail dovetail groove of boring head slide (4) inner chamber, with the adjusting screw(rod) (10) of dial and screw withstanding tight block (6), screwed hole by described boring head body (3) and trapezoidal guide runner (9) links together, boring cutter cutter is moved axially along adjusting screw(rod), housing screw (5) by vertical adjusting screw rod is fastening, realizes the radius of gyration of accurate adjustment point of a knife.The adjusting screw(rod) that the utility model links together by the screwed hole of boring head body and trapezoidal guide runner, can make boring cutter cutter move axially along adjusting screw(rod), realize the adjustable of the accurate adjustment point of a knife radius of gyration, can regulate boring folder boring head according to processed part pore size.

Description

General boring folder boring head
Technical field
The utility model relates to a kind of for common boring machine, drilling machine, the bore hole boring clamp device of milling machine; Specifically a kind of general bore hole boring folder instrument.
Background technology
The boring folder boring head majority of prior art is special boring folder boring head; Complex structure, manufacturing cost is high, and maintenance cost is also high.Boring folder boring head is a kind of special forming tool, need carry out specialized designs according to the feature of concrete processing object, this be current be the most also the most practical way.Deep hole rough boring head Special cutter adopts carbide alloy, has two kinds of structures of welded type and clip type.Each deep hole machining series of cutting tools machine folder boring head, T-shaped deep hole be thick/forming tool of the boring folder boring heads such as fine boring head, combined boring head, the aperture can only machining specifying, like this, the forming tool that will press from both sides with the bore hole boring of different size in the aperture of processing different size; Thereby produce a large amount of material consumptions, waste a large amount of costs.Due to the rigidity difference of boring head housing in two faces of horizontal and vertical, affect the machining accuracy of fine boring machine.Under the effect of cutting force, boring head housing fills the cyclic deformation that therefore bearing place along the circumferential direction causes, has caused the turn error of main shaft.Although cutting force is very little when right boring, this distortion has reduced machining accuracy.Boring head generally comprises rigid boring head and rack sleeve guide pin bushing universal swing boring head, and boring cutter bar comprises rigidity knife bar and universal swing knife bar.Producing at present the upper boring head using has the structures such as nut transmission and centering type, but the adjustment precision of these boring heads is all not high enough, conventionally can only reach 0.01mm.A kind of boring head of Soviet Union development is by body, cutter holder, boring cutter, screw thread rotation set and be fixed on the parts such as dial on screw and form.Boring cutter is fixed by screws in cutter holder.On screw thread rotation set, be made with internal and external screw thread, its external screw thread is connected with cutter holder.T-shaped deep hole is thick/and the boring chuck of fine boring head adopts T-slot location, produces after wearing clearance at T-slot, and the gap of generation, affect bore hole precision, and the wearing clearance of T-slot generation is noncompensable.In Boring, especially while carrying out large quantities of a large amount of Boring on automatic assembly line, because wearing and tearing and other process conditions variation etc. of the wearing and tearing of cutter and adjustment, lathe are determined or the existence of uncertain factor, affect greatly quality, efficiency and the reliability of Boring.
Summary of the invention
The purpose of this utility model is the problem existing for above-mentioned prior art, provides a kind of simple in structure, and clamping is reliable, has the bore hole boring clamp device of versatility.
The utility model solves the technical solution that its technical problem adopts, a kind of general boring folder boring head, comprise rigid boring head body and Application of Mechanical Clamping Rigid Boring head rod, described boring head comprises screw thread rotation set and fixes the cutter holder of boring cutter by radial screw, boring head body is connected with cutter holder, boring head bar is axially fixed on boring head slide 4, it is characterized in that: cutter holder lower end step is shaped with trapezoidal guide runner 9, trapezoidal guide runner 9 is assemblied in the guide rail dovetail groove of boring head slide 3 inner chambers, with the adjusting screw(rod) 10 of dial and screw withstanding tight block 6, screwed hole by described boring head body 3 and trapezoidal guide runner 9 links together, boring cutter cutter is moved axially along adjusting screw(rod) 10, housing screw 5 by vertical adjusting screw rod 10 is fastening, realize the radius of gyration of accurate adjustment point of a knife.
The utility model has following beneficial effect than prior art.
Simple in structure, clamping is reliable.The utility model parts are few, adopt the housing screw 5 of vertical adjusting screw rod 10 fastening, locate by guide rail dovetail groove, have more positioning precision high; Bear axial force higher 1 times than existing bore hole boring chuck.Guide rail dovetail groove positioning precision is high.Producing after wearing clearance, under the condition that is subject to axial force, the wearing and tearing of guide rail dovetail groove locating latch pyramidal plane can compensate naturally.Thereby this bore hole boring chuck can be used for again the end face of boring piece surface and circular pieces.Low cost of manufacture, keeps in repair also easily, and particularly its structure is simpler than existing bore hole boring chuck, but can ensure processing aperture required precision.
There is versatility.The adjusting screw(rod) that the utility model links together by the screwed hole of boring head body and trapezoidal guide runner, can make boring cutter cutter move axially along adjusting screw(rod), realize the adjustable of the accurate adjustment point of a knife radius of gyration, can regulate boring folder boring head according to processed part pore size.
Lightweight; Easy for installation; Operator uses laborsaving.The utility model clamping the boring head slide of cutter and the boring head body linking together with shank, as long as be furnished with can installing of Mohs cone on lathe.Bore hole boring chuck has sufficient intensity, rigidity; Low cost of manufacture, operating maintenance is convenient.Employing the utility model more can be cost-saving, cuts the waste, and operating efficiency can improve 5 times.
The utility model is mainly used for common boring machine, drilling machine, and milling machine carrys out the bore hole boring clamp device of machining hole.
Brief description of the drawings
Fig. 1 is the front view of the general boring folder of the utility model boring head.
Fig. 2 is that Fig. 1 analyses and observe left view.
In figure: 1 changable sleeve, 2 Mohs caudal peduncles, 3 boring head bodies, 4 boring head slides, 5 housing screws, 6 withstanding tight blocks, 7 radial screws, 8 boring cutters, 9 trapezoidal guide runners, 10 adjusting screw(rod)s, 11 dials, 12 dial nuts.
Detailed description of the invention
Consult Fig. 1.In the embodiment once describing, general boring folder boring head, comprises rigid boring head and Application of Mechanical Clamping Rigid Boring head rod.Boring head comprises screw thread rotation set and fixes the cutter holder of boring cutter 8 by radial screw, and boring head body is connected with cutter holder, and boring head bar is axially fixed on boring head slide 4.Boring head bar can be the Mohs caudal peduncle 2 that consubstantiality connects boring head body.The changable sleeve 1 that is sleeved on Mohs caudal peduncle 2 is to have sufficient intensity, the primary structure member of rigidity.Mohs caudal peduncle 2 has versatility, can be contained in the mohs tapered bore with Installing machine tool, and this Mohs caudal peduncle model has can be selected for 1~No. 5, can be arranged on boring machine (right boring, horizontal boring type boring machine equipment), plain-milling machine, and radial drilling machine is processed different holes.Cutter holder lower end step is shaped with trapezoidal guide runner 9, trapezoidal guide runner 9 is assemblied in the guide rail dovetail groove of boring head slide 4 inner chambers, with the adjusting screw(rod) 10 of dial 11 and screw withstanding tight block 6, screwed hole by described boring head body 3 and trapezoidal guide runner 9 links together, can make boring cutter cutter move axially along adjusting screw(rod) 10, fastening by the housing screw 5 of vertical adjusting screw rod 10.Be subject to the withstanding tight block 6 under housing screw 5 effects, push the movement of the trapezoidal guide runner 9 of stop by holding out against oblique angle in the face of trapezoidal guide runner 9 produces.Adjusting screw(rod) 10 axle heads are provided with dial 11 and regulate dial 11 dial nuts, are carved with from 0 °~360 ° scale values on dial 11, and it is mainly to regulate rotary part.Trapezoidal guide runner 9 can be under adjusting screw(rod) 10 effects, and left or right drives installation boring cutter hole left or right to move vertically, expands blade bore hole size.Boring head body 3 inner chambers are furnished with the adjusting screw(rod) 10 with screw mandrel, screw thread nose end on trapezoidal guide runner 9 is equipped with withstanding tight block screw 6, screw mandrel on adjusting screw(rod) 10 is only rotatable and do not allow axial float, drives withstanding tight block screw 6 and adjusting screw(rod) 10 just can make cutter move axially along adjusting screw(rod) 10 when rotation.This structure is revolved adjusting screw(rod) 10 by trace and is moved boring head slide 3, realizes the radius of gyration of accurate adjustment point of a knife.
When boring, processed die cavity workpiece is fixed on position suitable on workbench by pressing plate, and locking workbench is motionless.Mohs caudal peduncle 1 is arranged in the hole that lathe has Mohs cone, and shank inserts in lathe spindle hole, with screw fastening, when rotation, moves as axial feed with main shaft.Loosening pressed screw 5, rotation scale nut, adjusting screw(rod) 10 rotarily drives slide block 9 and moves in the inner chamber middle left and right of boring head body 4 along axis.When dial nut 11 rotates to needed number of division, tighten housing screw 5 oblique angle that holds out against of withstanding tight block 6 is pushed in the face of trapezoidal guide runner 9 generations that are assemblied in boring head body 4 dovetail grooves, piece slide block 9 is no longer produced along an axis left side, move right.Blade 8 is arranged in the interior boring cutter of slide block 9 hole, tightens radial screw 7 stop blades 8, aims at the inner hole wall of processing parts and implements expansion Boring.Dial nut on adjusting screw(rod) 10 heads, indicates adjustment amount with respect to zero line and vernier.The boring head slide 4 adopting can be right-handed thread with coordinating of adjusting screw(rod) 10, and in the time that adjusting screw(rod) 10 is rotated counterclockwise, the cutter on boring head slide 3 moves towards increasing processing cavity radial direction.If change adjusting screw(rod) 10 into left hand thread, the screw rod that turns clockwise, increases processing cavity radius.Comparison operators closing operation person's use habit like this.

Claims (8)

1. a general boring folder boring head, comprise rigid boring head and Application of Mechanical Clamping Rigid Boring head rod, described boring head comprises screw thread rotation set and fixes the cutter holder of boring cutter by radial screw, boring head is connected with cutter holder, boring head bar is axially fixed on boring head slide (4), it is characterized in that: cutter holder lower end step is shaped with trapezoidal guide runner (9), trapezoidal guide runner (9) is assemblied in the guide rail dovetail groove of boring head slide (4) inner chamber, with the adjusting screw(rod) (10) of dial and screw withstanding tight block (6), screwed hole by described boring head body (3) and trapezoidal guide runner (9) links together, boring cutter cutter is moved axially along adjusting screw(rod) (10), housing screw (5) by vertical adjusting screw rod (10) is fastening, realize the radius of gyration of accurate adjustment point of a knife.
2. general boring folder boring head as claimed in claim 1, is characterized in that: boring head bar is the Mohs caudal peduncle (2) that consubstantiality connects boring head.
3. general boring folder boring head as claimed in claim 1, it is characterized in that: be subject to the withstanding tight block (6) under housing screw (5) effect, in the face of producing, pushes trapezoidal guide runner (9) movement of the trapezoidal guide runner of stop (9) by holding out against oblique angle.
4. general boring folder boring head as claimed in claim 1, it is characterized in that: adjusting screw(rod) (10) axle head is provided with dial (11) and regulates dial (11) dial nut, on dial (11), be carved with from 0 °~360 ° scale values, it is mainly to regulate rotary part.
5. general boring folder boring head as claimed in claim 1, is characterized in that: trapezoidal guide runner (9) is under adjusting screw(rod) (10) effect, and left or drive to the right is vertically installed boring cutter hole and moved to the left or to the right, expands blade bore hole size.
6. general boring folder boring head as claimed in claim 1, is characterized in that: the screw thread nose end on trapezoidal guide runner (9) is equipped with withstanding tight block screw (6).
7. general boring folder boring head as claimed in claim 1, is characterized in that: the dial nut on adjusting screw(rod) (10) head, indicate adjustment amount with respect to zero line and vernier.
8. general boring folder boring head as claimed in claim 1, it is characterized in that: boring head slide (4) adopts right-handed thread to coordinate with adjusting screw(rod) (10), in the time that adjusting screw(rod) (10) is rotated counterclockwise, the cutter on boring head slide (4) moves towards increasing processing cavity radial direction.
CN201420413258.XU 2014-07-25 2014-07-25 General boring folder boring head Active CN203956128U (en)

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Application Number Priority Date Filing Date Title
CN201420413258.XU CN203956128U (en) 2014-07-25 2014-07-25 General boring folder boring head

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105081381A (en) * 2015-08-26 2015-11-25 苏州阿诺精密切削技术股份有限公司 Heavy load boring rod for lathe
CN105149623A (en) * 2015-06-29 2015-12-16 东莞市铁真机械有限公司 Combined-type multifunctional boring cutter
CN107824858A (en) * 2017-12-11 2018-03-23 大连四达高技术发展有限公司 Adjustable anti-loosing type friction pulley positioner

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105149623A (en) * 2015-06-29 2015-12-16 东莞市铁真机械有限公司 Combined-type multifunctional boring cutter
CN105081381A (en) * 2015-08-26 2015-11-25 苏州阿诺精密切削技术股份有限公司 Heavy load boring rod for lathe
CN107824858A (en) * 2017-12-11 2018-03-23 大连四达高技术发展有限公司 Adjustable anti-loosing type friction pulley positioner

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