CN204799976U - Boring reamer and machining center - Google Patents
Boring reamer and machining center Download PDFInfo
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- CN204799976U CN204799976U CN201520419503.2U CN201520419503U CN204799976U CN 204799976 U CN204799976 U CN 204799976U CN 201520419503 U CN201520419503 U CN 201520419503U CN 204799976 U CN204799976 U CN 204799976U
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- boring reamer
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Abstract
The utility model discloses a boring reamer and machining center relates to engineering machinery technical field. The problem of have the boring reamer among the prior art and does not have from the function of feeling relieved, result in the lower technique of machining precision in hole is solved. This boring reamer includes blade and cutter arbor, and the cutter arbor includes with blade fixed connection's cutting pole portion according to this, is used for providing the flexible pole portion of elasticity centering power and being used for being connected the rear end pole portion in order to receive rotary driving power with actuating mechanism for the cutter arbor along its length direction, on the length direction of cutter arbor, flexible pole portion is not less than the size of cutting pole portion with rear end pole portion size sum between them. This machining center include general handle of a knife and the utility model provides a boring reamer. The utility model is used for improve the machining precision in hole.
Description
Technical field
The utility model relates to technical field of engineering machinery, particularly relates to a kind of boring reamer and arranges the machining center of this boring reamer.
Background technology
The draw ratio (axial dimension of draw ratio finger-hole and the ratio of hole internal diameter size) of valve body spool bore is greater than 10 mostly, belongs to deep and long hole processing to the processing of valve body spool bore.
Every procedure machining accuracy of deep and long hole machining process all requires very high, wherein, is exactly the most significantly honing front valve core hole Precision Machining operation.This procedure has very high requirement to the dimensional accuracy of spool bore, roughness, linearity.For this reason, very high requirement is proposed to the main axis jerking of machining center, the precision etc. of machining center, correspondingly improves the processing cost of spool bore.
The applicant finds: prior art at least exists following technical problem:
There is boring reamer in prior art and not there is self-centering function, the technical problem that the machining accuracy of causing hole is lower.In order to promote the lifting of domestic spool bore crudy, the spool bore Precision Machining cutter that exploitation has self-centering function seems particularly important.
Utility model content
One of them object of the present utility model proposes a kind of boring reamer and arranges the machining center of this boring reamer, solves in prior art to there is boring reamer and do not have self-centering function, the technical problem that the machining accuracy of causing hole is lower.Many technique effects that optimal technical scheme in many technical schemes that the utility model provides can produce refer to hereafter sets forth.
For achieving the above object, the utility model provides following technical scheme:
The boring reamer that the utility model embodiment provides, comprise blade and knife bar, described knife bar comprises three parts be connected according to this along its length, this three part according to this for be fixedly connected with described blade cutting bar portion, for providing the flexible link portion of elastic centering power and the bar portion, rear end for being connected to receive rotary driving force with driving mechanism for described knife bar;
On the length direction of described knife bar, the size sum in described flexible link portion and bar portion, described rear end is not less than the size in described cutting bar portion.
As the further optimization of arbitrary technical scheme that the utility model provides above or hereinafter, described knife bar is cylindric, the length direction of described knife bar is the axial direction of described knife bar, described knife bar is also provided with gib block, and the part that described gib block deviates from described knife bar axial line protrudes the circumferential exterior surface of described knife bar.
As the further optimization of arbitrary technical scheme that the utility model provides above or hereinafter, the number of described gib block is three, and its circumferential exterior surface being evenly distributed on described cutting bar portion is positioned at the part outside described blade.
As the further optimization of arbitrary technical scheme that the utility model provides, described cutting bar portion is provided with mounting groove above or hereinafter, the length direction of described mounting groove is consistent with the length direction of described knife bar, and described gib block is embedded in described mounting groove.
As the further optimization of arbitrary technical scheme that the utility model provides above or hereinafter, the cross section outer profile size that described cutting bar portion, described blade and described gib block deviate from the end in bar portion, described rear end separately reduces gradually along the direction deviating from bar portion, described rear end.
As the further optimization of arbitrary technical scheme that the utility model provides above or hereinafter, described blade and described gib block are all welded in described cutting bar portion separately.
As the further optimization of arbitrary technical scheme that the utility model provides above or hereinafter, the axial direction be also provided with in described boring reamer along described knife bar at least runs through the internal cooling liquid passage in described cutting bar portion.
As the further optimization of arbitrary technical scheme that the utility model provides above or hereinafter, the described cutting bar portion radial direction be also provided with along described knife bar runs through the through hole of a described cutting bar portion wherein sidewall bodies, described blade is fixedly connected on the subregion of the inwall of described through hole, and the gap between the remainder region of described blade and described through-hole wall forms cooling fluid chip transmits mouth.
As the further optimization of arbitrary technical scheme that the utility model provides above or hereinafter, on the length direction of described knife bar, the size sum in described flexible link portion and bar portion, described rear end is 1.5 ~ 3.5 times of the size in described cutting bar portion, and the ratio of the axial dimension of described knife bar and the outside dimension of described knife bar is 5 ~ 10.
The machining center that the utility model embodiment provides, comprise the boring reamer that general handle of a knife and the arbitrary technical scheme of the utility model provide, described general handle of a knife drives with the bar portion, rear end of described boring reamer and is connected.
Based on technique scheme, the utility model embodiment at least can produce following technique effect:
The flexible link portion of the knife bar of the boring reamer provided due to the utility model can provide elastic centering power for knife bar, this elastic centering power can make boring reamer in the process of machining hole (such as: spool bore), axial line and the axial line in processed hole of boring reamer convergence of trying one's best overlaps, which thereby enhance the machining accuracy in hole, there is boring reamer so solve in prior art not there is self-centering function, the technical problem that the machining accuracy of causing hole is lower.
In addition, the optimal technical scheme in many technical schemes that the utility model provides compared with prior art, at least can also produce following many technique effects:
1, blade, knife bar, gib block manufacture are simple;
2, process is by integrated to guiding cutting, scraping, finishing tool height, ensure that the dimensional accuracy of spool bore, linearity and roughness;
3, the interior cold function of boring reamer, is conducive to chip discharge, improves spool bore machining accuracy, tool life;
4, the setting in flexible link portion makes the utility model boring reamer define flexible boring reamer, and the self-centering function of flexible boring reamer reduces the dependence of spool bore high accuracy processing to lathe, reduces production cost, is easy to realize commercial application.
Accompanying drawing explanation
Accompanying drawing described herein is used to provide further understanding of the present utility model, and form a application's part, schematic description and description of the present utility model, for explaining the utility model, is not formed improper restriction of the present utility model.In the accompanying drawings:
The schematic front view of the boring reamer that Fig. 1 provides for the utility model embodiment;
Schematic diagram is looked on the left side that Fig. 2 provides for the utility model embodiment;
Reference numeral: 1, blade; 2, knife bar; 21, cutting bar portion; 22, flexible link portion; 23, rear end bar portion; 24, internal cooling liquid passage; 25, cooling fluid chip transmission mouth; 3, gib block.
Detailed description of the invention
Content of the present utility model and the distinctive points between the utility model and prior art can be understood below with reference to accompanying drawing Fig. 1 ~ Fig. 2 and word content.Hereafter by accompanying drawing and the mode enumerating embodiment more of the present utility model, the technical solution of the utility model (comprising optimal technical scheme) is described in further detail.It should be noted that: any technical characteristic in the present embodiment, any technical scheme is all one or more in the technical characteristic of plurality of optional or optional technical scheme, cannot exhaustive all alternative technical characteristics of the present utility model and alternative technical scheme in order to describe succinct to need in presents, also the embodiment being not easy to each technical characteristic all emphasizes that it is one of optional numerous embodiments, so those skilled in the art should know: arbitrary technological means that the utility model can be provided carries out two or more technological means any of replacing or being provided by the utility model or technical characteristic carries out mutually combining and obtaining new technical scheme.Any technical characteristic in the present embodiment and any technical scheme all do not limit protection domain of the present utility model, protection domain of the present utility model should comprise those skilled in the art do not pay creative work thinkable any alternate embodiments and those skilled in the art two or more technological means any that the utility model is provided or the technical characteristic new technical scheme carrying out mutually combining and obtain.
The utility model embodiment provides one and has self-centering function, the boring reamer that the machining accuracy in hole is higher and arrange the machining center of this boring reamer.
Below in conjunction with the elaboration that Fig. 1 ~ Fig. 2 carries out specifically to the technical scheme that the utility model provides.
As shown in Fig. 1 ~ Fig. 2, the boring reamer that the utility model embodiment provides, comprise blade 1 and knife bar 2, knife bar 2 comprises three parts be connected according to this along its length, this three part according to this for be fixedly connected with blade 1 cutting bar portion 21, for providing the flexible link portion 22 of elastic centering power for knife bar 2 and for (this driving mechanism is preferably comprised general handle of a knife and to be driven with bar portion, rear end 23 by general handle of a knife and is connected) being connected to receive the bar portion, rear end 23 of rotary driving force with driving mechanism;
On the length direction of knife bar 2, flexible link portion 22 is not less than the size in (being preferably greater than) cutting bar portion 21 with the size sum in both bar portions, rear end 23.
The flexible link portion 22 of the knife bar 2 of the boring reamer provided due to the utility model can provide elastic centering power for knife bar 2, this elastic centering power can make boring reamer in the process of machining hole (such as: spool bore), axial line and the axial line in processed hole of boring reamer convergence of trying one's best overlaps, and which thereby enhances the machining accuracy in hole.
As the Alternate embodiments of the arbitrary technical scheme of the utility model, knife bar 2 is cylindric, the length direction of knife bar 2 is the axial direction of knife bar 2, and knife bar 2 is also provided with gib block 3, and gib block 3 deviates from the circumferential exterior surface of the part protrusion knife bar 2 of knife bar 2 axial line.
Gib block 3 not only can guarantee that in the process of boring reamer machining hole, directionality is even more ideal, but also can play supporting, roll extrusion effect, further increases the machining accuracy in hole thus.
As the Alternate embodiments of the arbitrary technical scheme of the utility model, the number of gib block 3 is three, and its circumferential exterior surface being evenly distributed on cutting bar portion 21 is positioned at the part outside blade 1.
Said structure can make circumferential exterior surface in boring reamer feeding process, and circumferentially direction is stressed more even everywhere, thus while guaranteeing the machining accuracy in hole, improves service life and the functional reliability of boring reamer.
As the Alternate embodiments of the arbitrary technical scheme of the utility model, cutting bar portion 21 is provided with mounting groove, the length direction of mounting groove is consistent with the length direction of knife bar 2, and gib block 3 is embedded in mounting groove.The positional precision that said structure has gib block 3 is high, easy for installation, connect reliable advantage.
As the Alternate embodiments of the arbitrary technical scheme of the utility model, the cross section outer profile size that cutting bar portion 21, blade 1 and gib block 3 deviate from the end in bar portion, rear end 23 separately reduces gradually along the direction deviating from bar portion, rear end 23.This structure is conducive to boring reamer and progresses in processed hole in the process of machining hole, thus improves the machining accuracy in feed speed, working (machining) efficiency and hole.
As the Alternate embodiments of the arbitrary technical scheme of the utility model, blade 1 and gib block 3 are all welded in cutting bar portion 21 separately.Welding has compact conformation, connects reliable advantage.
As the Alternate embodiments of the arbitrary technical scheme of the utility model, the axial direction be also provided with in boring reamer along knife bar 2 at least runs through the internal cooling liquid passage (or claim: interior cold runner) 24 in cutting bar portion 21.Being provided with of internal cooling liquid passage 24 is beneficial to the timely heat reducing boring reamer and put aside in cutting process, improves service life and the reliability of boring reamer.
As the Alternate embodiments of the arbitrary technical scheme of the utility model, cutting bar portion 21 radial direction be also provided with along knife bar 2 runs through the through hole of a cutting bar portion 21 wherein sidewall bodies, blade 1 is fixedly connected on the subregion of the inwall of through hole, and the gap between the remainder region of blade 1 and through-hole wall forms cooling fluid chip transmits mouth 25.
Said structure not only facilitates the assembling of blade 1, and is conducive to, in time by chip discharge, avoiding chip to cause adverse effect to machining accuracy and working (machining) efficiency.
As the Alternate embodiments of the arbitrary technical scheme of the utility model, on the length direction of knife bar 2, flexible link portion 22 and the size sum in both bar portions, rear end 23 are 1.5 ~ 3.5 times of the size in cutting bar portion 21, the ratio of the axial dimension of knife bar 2 and the outside dimension of knife bar 2 (or claim: draw ratio) be 5 ~ 10.On the length direction of knife bar 2, flexible link portion 22 is longer with the size sum in both bar portions, rear end 23, then its elastic centering power that can export is larger, and self-centering function is also stronger.Above-mentioned size range is only preferred scope, uses the flexible link portion 22 of other sizes and bar portion, rear end 23 also within protection domain of the present utility model.
Machining center that the utility model embodiment provides (or claim: the CNC milling machine of band tool magazine), comprise the boring reamer that general handle of a knife and the arbitrary technical scheme of the utility model provide, general handle of a knife drives with the bar portion, rear end 23 of boring reamer and is connected.Machining center is suitable for applying the utility model to improve its machining accuracy to hole.Certainly, the utility model also can be applied on other lathes outside machining center or cutting apparatus.
The optimal technical scheme set forth the utility model and provide is provided below:
The boring reamer that the utility model optimal technical scheme provides is that one is applicable to the accurately machined flexible boring reamer of spool bore, and its primary structure comprises blade 1, knife bar 2, and three gib blocks 3.Blade 1 is fixedly connected with knife bar 2 by the means of welding with gib block 3.Blade 1 has guiding cutting, scraping, finishing tool effect.Knife bar 2 has bar portion, rear end 23, flexible link portion 22, cutting bar portion 21, and bar portion, rear end 23 can realize being connected with all general handle of a knifes; In process, flexible link portion 22 realizes self centering function; Cutting bar portion 21 is mainly used in installing blade 1 and gib block 3, and guarantees that solid tool has guide function.Be designed with interior cold runner in knife bar 2, make cutter have interior cold function, be convenient to the discharge of chip.Gib block 3 is according to the configuration design in cutting bar portion 21, and work in-process plays guiding, supporting, roll extrusion effect.
Above-mentioned arbitrary technical scheme disclosed in the utility model unless otherwise stated, if the number range of it discloses, so disclosed number range is preferred number range, anyly it should be appreciated by those skilled in the art: preferred number range is only the numerical value that in many enforceable numerical value, technique effect is obvious or representative.Because numerical value is more, cannot be exhaustive, so the utility model just discloses component values to illustrate the technical solution of the utility model, and the above-mentioned numerical value enumerated should not form restriction the utility model being created to protection domain.
If employ the word such as " first ", " second " herein to limit parts, those skilled in the art should know: the use of " first ", " second " is only used to be convenient to describe carry out difference as not having outside Stated otherwise to parts, the implication that above-mentioned word is not special.
Simultaneously, if above-mentioned the utility model discloses or relate to parts or the structural member of connection fastened to each other, so, unless otherwise stated, be fixedly connected with and can be understood as: can releasably be fixedly connected with (such as using bolt or screw to connect), also can be understood as: to be non-removablely fixedly connected with (such as rivet, weld), certainly, connection fastened to each other also can be replaced by integral type structure (such as use casting technique is integrally formed create) (obviously cannot adopt except integrally formed technique).
In addition, apply in arbitrary technical scheme disclosed in above-mentioned the utility model for represent position relationship or shape term unless otherwise stated its implication comprise approximate with it, similar or close state or shape.Arbitrary parts that the utility model provides both can be assembled by multiple independent part, and also can be one of the forming manufacture technics separate part out.
If employ term " " center " in description of the present utility model, " longitudinal direction ", " transverse direction ", " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end ", " interior ", " outward " etc., orientation or the position relationship of so above-mentioned term instruction are based on orientation shown in the drawings or position relationship, only the utility model and simplified characterization for convenience of description, instead of indicate or imply that the boring reamer of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore the restriction to the utility model protection domain can not be interpreted as.
Finally should be noted that: above embodiment is only in order to illustrate that the technical solution of the utility model is not intended to limit; Although be described in detail the utility model with reference to preferred embodiment, those of ordinary skill in the field have been to be understood that: still can modify to detailed description of the invention of the present utility model or carry out equivalent replacement to portion of techniques feature; And not departing from the spirit of technical solutions of the utility model, it all should be encompassed in the middle of the technical scheme scope of the utility model request protection.
Claims (10)
1. a boring reamer, it is characterized in that, comprise blade and knife bar, described knife bar comprises three parts be connected according to this along its length, this three part according to this for be fixedly connected with described blade cutting bar portion, for providing the flexible link portion of elastic centering power and the bar portion, rear end for being connected to receive rotary driving force with driving mechanism for described knife bar;
On the length direction of described knife bar, the size sum in described flexible link portion and bar portion, described rear end is not less than the size in described cutting bar portion.
2. boring reamer according to claim 1, it is characterized in that, described knife bar is cylindric, the length direction of described knife bar is the axial direction of described knife bar, described knife bar is also provided with gib block, and the part that described gib block deviates from described knife bar axial line protrudes the circumferential exterior surface of described knife bar.
3. boring reamer according to claim 2, is characterized in that, the number of described gib block is three, and its circumferential exterior surface being evenly distributed on described cutting bar portion is positioned at the part outside described blade.
4. boring reamer according to claim 2, is characterized in that, described cutting bar portion is provided with mounting groove, and the length direction of described mounting groove is consistent with the length direction of described knife bar, and described gib block is embedded in described mounting groove.
5. boring reamer according to claim 2, is characterized in that, the cross section outer profile size that described cutting bar portion, described blade and described gib block deviate from the end in bar portion, described rear end separately reduces gradually along the direction deviating from bar portion, described rear end.
6. boring reamer according to claim 2, is characterized in that, described blade and described gib block are all welded in described cutting bar portion separately.
7. boring reamer according to claim 1, is characterized in that, the axial direction be also provided with in described boring reamer along described knife bar at least runs through the internal cooling liquid passage in described cutting bar portion.
8. boring reamer according to claim 7, it is characterized in that, the described cutting bar portion radial direction be also provided with along described knife bar runs through the through hole of a described cutting bar portion wherein sidewall bodies, described blade is fixedly connected on the subregion of the inwall of described through hole, and the gap between the remainder region of described blade and described through-hole wall forms cooling fluid chip transmits mouth.
9. boring reamer according to claim 1, it is characterized in that, on the length direction of described knife bar, the size sum in described flexible link portion and bar portion, described rear end is 1.0 ~ 3.5 times of the size in described cutting bar portion, and the ratio of the axial dimension of described knife bar and the outside dimension of described knife bar is 5 ~ 10.
10. a machining center, is characterized in that, comprises general handle of a knife and the arbitrary described boring reamer of claim 1-9, and described general handle of a knife drives with the bar portion, rear end of described boring reamer and is connected.
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CN201520419503.2U CN204799976U (en) | 2015-06-17 | 2015-06-17 | Boring reamer and machining center |
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CN201520419503.2U CN204799976U (en) | 2015-06-17 | 2015-06-17 | Boring reamer and machining center |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN106312110A (en) * | 2015-06-17 | 2017-01-11 | 徐工集团工程机械股份有限公司 | A boring reamer and a machining center |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN106312110A (en) * | 2015-06-17 | 2017-01-11 | 徐工集团工程机械股份有限公司 | A boring reamer and a machining center |
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