CN103286586B - High rigidity knife bar support block structure - Google Patents
High rigidity knife bar support block structure Download PDFInfo
- Publication number
- CN103286586B CN103286586B CN201310245608.6A CN201310245608A CN103286586B CN 103286586 B CN103286586 B CN 103286586B CN 201310245608 A CN201310245608 A CN 201310245608A CN 103286586 B CN103286586 B CN 103286586B
- Authority
- CN
- China
- Prior art keywords
- support
- knife bar
- head
- wedge
- ornaments
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Milling Processes (AREA)
Abstract
The invention discloses a kind of high rigidity knife bar support block structure, comprise the support portion of voussoir shape, support portion comprises the wedge surface towards the wedge women's head-ornaments of active side and wedge women's head-ornaments both sides, wedge women's head-ornaments are provided with cutter relieving groove and support slot, the cross section of the inwall of support slot is curved, the radian in the cross section, at least one place of inwall of support slot is greater than 180 °, and the size of cutter relieving groove is greater than the size of cutter head. Support block structure has been installed in the present invention additional, has reduced the degree of knife bar stress and deformation; In addition, the support circular arc of support slot is greater than the setting of semicircle, provides more wide in range support angle to knife bar, while preventing from processing two end regions of crescent, the power that can not provide support causes knife bar distortion to cause precision poor, has extended the service life of knife bar and cutter head simultaneously.
Description
Technical field
The present invention relates to a kind of machine cut process equipment, relate in particular to the knife bar of machine cut process equipmentSupport block structure.
Background technology
For improving wire rod for building and concrete bond strength, need to add at building screw-thread steel wire surfaceWork crescent shape projection, general employing has the roll rolling of roller groove, and roller groove inwall also has crescent. RollerThe special machining tool of the general employing of crescent of groove inwall.
Fig. 1～2 show the part-structure signal of the lathe of the crescent of working roll groove inwall in prior artFigure, knife bar 1 one end is clamped on the chuck 5 of lathe cutter saddle, and the other end is by top 6 jails, top, by folder5 provide the torque of knife bar 1, drive the cutter head 2 that is fixed on knife bar 1 middle part to rotate, and machining is rolledThe roller groove inwall of roller, forms crescent.
Fig. 2 is that the A of the part-structure of lathe shown in Fig. 1 is to view, for offsetting knife bar 1 in machiningThe lateral pressure being subject in processing, prevents that knife bar 1 stress and deformation from affecting product quality and affecting knife bar 1 HeIn the life-span of cutter head 2, generally have a back-up block 3 in knife bar 1 is laterally disposed, and back-up block 3 is provided with cooperation cutterThe support slot 4 of bar 1, and be provided with cutter relieving groove 7 at the corresponding cutter head of support slot 42 places, thus do not affect cutter2 rotation. In prior art, support slot 4 cross section semicirculars in shape arrange. General low speed milling train adoptsGrain roll, crescent is easily processed.
But on high-speed rod-rolling mill, because the material of roll is tungsten carbide, there is very high hardness, millingThe crescent of processing tungsten carbide roll becomes the difficult problem in industry. At the diameter of roller groove hour, problem moreAdd obviously. Because roll top roll groove diameter is little, knife bar 1 diameter of processing crescent is less, existing processingUnder method, the stressed knife bar 1 that makes minor diameter of process is easily out of shape, though there is back-up block 3 to support,But because back-up block 3 support slots 4 can only provide semicircle with interior support force, as shown in Figure 9, some addsTerritory, work area (as the two ends of crescent) can not provide good supporting role, causes machining shakinessFixed, the crescent size of processing is difficult to ensure, and affects the life-span of knife bar 1 and cutter head 2.
Summary of the invention
The object of this invention is to provide a kind of high rigidity knife bar support block structure, solve above-mentioned prior art and askIn topic, when the end of the crescent of Milling Process high rigidity and/or small diameter roller, back-up block is because structure is formerBecause not providing support power.
The invention provides a kind of high rigidity knife bar support block structure, comprise the support portion of voussoir shape, supportPortion comprises the wedge surface towards the wedge women's head-ornaments of active side and wedge women's head-ornaments both sides, and wedge women's head-ornaments are provided with cutter relieving groove and prop upSupport groove, the cross section of the inwall of support slot is curved, and the radian in the cross section, at least one place of inwall of support slot is greater than180 °, the size of cutter relieving groove is greater than the size of cutter head.
The invention provides high rigidity knife bar support block structure, less at knife bar diameter, the feelings that rigidity is poorUnder condition, install support block structure additional, reduced the degree of knife bar stress and deformation; In addition propping up of support slot,Hold round the setting that arc is greater than semicircle, provide more wide in range support angle to knife bar, prevent from processing crescent moonWhen two end regions of groove, the power that can not provide support causes knife bar distortion to cause precision poor, has extended simultaneouslyThe service life of knife bar and cutter head.
In some embodiments, wedge women's head-ornaments are in the longitudinal direction by two side direction medial recess. Above-mentioned setting,Can increase the wedge women's head-ornaments at cutter head place and the drop of cutter head, increase coordinated with the scope of roll and cutter head.
In some embodiments, wedge women's head-ornaments are smooth surface. The good embodiment of one of depression,In this mode, can preferentially be set to cambered surface, ensure to support circular arc from length direction by two side direction middle parts allEven dwindling.
In some embodiments, wedge surface caves inward. Further reduce near the size of the support portion of cutter head,Further increase coordinated with the scope of roll and cutter head.
In some embodiments, the sunk part of wedge surface is smooth surface. The one of depression is real preferablyExecute mode, in this mode, can preferentially be set to cambered surface, further ensure to support circular arc from length directionEvenly dwindled by two side direction middle parts.
In some embodiments, support portion split arranges, and comprises two and half support portions, and two and half supportSupport slot is divided into two and half support slots by portion. Because the structure of the present invention and prior art is different, dressThe mode of cutter is also different, in the situation that split arranges, can be first by two and half support portions separately after by cutterBar is put into, then by two and half support sections altogether, and adopt follow-up mode to fix. It is simple to operate,Easy to process.
In some embodiments, the present invention also comprises pressure strip, lower pressure strip and bearing, and half supportsThe each installation portion of fixing of portion, upper pressure strip and lower pressure strip towards a side of support slot respectively from upper and lower twoDirection two installation portions that are fixedly clamped, are fixed on bearing away from a side of support slot. The present invention also providesThe structure of above-mentioned easy installation, said structure, can be according to service condition, and examination is easily adjusted or is repaired thisThe high rigidity knife bar support block structure that invention provides.
Brief description of the drawings
Fig. 1 is the part-structure schematic diagram of the lathe of roll crescent in prior art;
Fig. 2 is that the A of the back-up block shown in Fig. 1 is to view;
Fig. 3 is the structural representation of the high rigidity knife bar support block structure of an embodiment of the present invention;
Fig. 4 is that the B of support portion of the high rigidity knife bar support block structure shown in Fig. 3 is to view;
Fig. 5 is the perspective view of the wedge women's head-ornaments of the support portion of the high rigidity knife bar support block structure shown in Fig. 4;
Fig. 6 is that the support portion of high rigidity knife bar support block structure of an embodiment of the present invention is relevant to latheThe structural representation that parts coordinate;
Fig. 7 is that the support portion of the high rigidity knife bar support block structure shown in Fig. 6 and knife bar part are at D-D placeSectional view;
Fig. 8 is that the support portion of the high rigidity knife bar support block structure shown in Fig. 6 is in processing when crescent endForce analysis figure;
Fig. 9 is the force analysis figure of the back-up block shown in Fig. 2 in the time of processing crescent end;
Figure 10 is that the support portion of the high rigidity knife bar support block structure shown in Fig. 6 and knife bar part are at E-EThe sectional view at place.
Detailed description of the invention
As shown in Fig. 3～5, the invention discloses a kind of high rigidity knife bar support block structure, comprise voussoir shapeSupport portion 81, support portion 81 comprises the wedge towards the wedge women's head-ornaments 82 of active side and wedge women's head-ornaments 82 both sidesFace 83, wedge women's head-ornaments 82 are provided with cutter relieving groove 7 and support slot 84, and the cross section of the inwall of support slot 84 is arcShape, in figure, chain line represents the axis of arc support slot 84, above-mentioned cross section is perpendicular to the B shown in Fig. 3The cross section of direction, B direction is the direction of knife bar axis in work, the arc under above-mentioned cross section, at least one placeThe radian of the inwall of support slot 84 is greater than 180 °, and Fig. 7,10 is the sectional view of above-mentioned two kinds of diverse locations.The size of cutter relieving groove 7 is greater than the size of cutter head 2.
The present invention is less at knife bar 1 diameter, in the poor situation of rigidity, has installed support block structure additional, subtractsLack the degree of knife bar 1 stress and deformation. The support slot 84 of support block structure has two important factor in order,One for supporting circular arc everywhere, perpendicular to the circular arc radian on each cross section of the B direction shown in Fig. 3,This parameter can be evaluated the support slot 84 support situation to knife bar 1 everywhere; Two is maximum support circular arc, props upThe radian of the maximum circular arc that bracer structure obtains under B direction projection, this parameter can represent support slot 84To the maximum support circular arc of knife bar 1. The radian in the cross section, at least one place of inwall of support slot 84 is greater than180 °, also, the maximum support circular arc of support slot 84 is greater than 180 °.
The setting that the maximum support circular arc of support slot 84 of the present invention is greater than 180 °, can provide knife bar 1More wide in range support angle, while preventing from processing two end regions of crescent, supports the support that circular arc providesPower is unstable causes knife bar 1 distortion to cause precision poor, and has extended the use longevity of knife bar 1 and cutter head 2Life.
The position of the corresponding cutter head 2 in position of cutter relieving groove 7 arranges, that is, after installing, cutter relieving groove 7 is in cutter head2 position; The size of cutter relieving groove 7 is greater than the size of cutter head 2, can make cutter head 2 pass in and out cutter relieving groove 7In process, do not hinder, facilitate cutter head 2 rotatablely moving in process. The size of cutter relieving groove 7 is largeSize in cutter head 2 is as the criterion can realize above-mentioned effect, the shape of cutter relieving groove 7 is not limited to some extent.
Support portion 81 is voussoir shape, and voussoir shape support portion 81 refers to that support portion 81 is at the B shown in Fig. 3The projection of direction is wedge shape, not the limited tailor-made use of each shape to support portion 81 of the present invention. Above-mentioned throwingThe corresponding wedge women's head-ornaments of the present invention of microcephaly's side 82 places of shadow, major part side is fixed with the follow-up installation portion of mentioning 88.By support slot 84 being arranged to the wedge women's head-ornaments 82 of microcephaly's side, increasing roll 10 and can coordinate with cutter head 2Scope. Convenient processing. Under this set, in process, the support slot 84 plug-in mounting cuttves of wedge women's head-ornaments 82Bar 1, roll to be processed is positioned at microcephaly's side, and microcephaly's side is towards active side.
As shown in Figure 3, wedge women's head-ornaments 82 are in the longitudinal direction by two side direction medial recess. Above-mentioned setting, entersOne step has increased roll 10 can coordinate scope with cutter head 2. Be preferably wedge women's head-ornaments 82 for smooth surface. ProtectCard supports circular arc and evenly dwindles (length direction of wedge women's head-ornaments 82, i.e. figure from length direction by two side direction middle parts3 show the B direction at place). In the present embodiment, wedge women's head-ornaments 82 are set to cambered surface, and cutter relieving groove 7 is positioned at wedge women's head-ornaments82 at the middle part of length direction, at utmost reduces the size of the support slot 84 at cutter head 2 places.
As shown in Figures 4 and 5, wedge surface 83 caves inward, and is preferably the sunk part of wedge surface 83 for level and smooth bentFace, because the indent of wedge surface 83 also has impact to the size of width everywhere of wedge women's head-ornaments 82. Therefore can enterOne step has increased roll 10 can coordinate scope with cutter head 2.
Support portion 81 split settings, comprise that half support portion 85,85, two of two and half support portions is by support slot84 are divided into two and half support slots, and the arc of each half support slot is less than semicircle, owing to the present invention proposes onePlant and have the almost all-round support block structure to supporting circular arc, the mode of dress cutter, with in the past different, passesSystem back-up block is that semicircle supports circular arc, and back-up block is wholely set does not affect dress cutter, provided by the invention twoIndividual half support portion 85 after can first separating is put into knife bar 2, then by two and half support sections 85 altogether.As shown in Figure 3, the present invention also comprises pressure strip 86, lower pressure strip 87 and bearing 9, half support portions85 each installation portions 88 of fixing, upper pressure strip 86 and lower pressure strip 87 divide towards a side of support slot 84Not from upper and lower both direction two installation portions 88 that are fixedly clamped, be fixed on away from a side of support slot 84Seat 9, bearing 9 is fixed on the knife rest of lathe by tight lock screw. Above-mentioned mounting means is simple to operate,Easy to process.
Preferential two half support sections that equal-sized axial symmetry arranges that adopt as shown in Figure 3 of the present inventionSupport slot 84 is divided into two half support slots that grade is large by 85, two half support sections 85, waits large halfSupport slot has equal support circular arc. It may be noted that the present invention can also adopt the support being wholely setPortion 81, dress cutter mode adopts drawing and pulling type.
Fig. 6 shows that to have located the support portion 81 of high rigidity knife bar support block structure provided by the invention relevant to latheParts coordinate figure, and its D-D place (cutter head 2 places) sectional view as shown in Figure 7, is clear expression, omitHatching, in Fig. 7, solid line part is sectional view, dotted portion is the projection of support portion 81 in B direction,Its α angle is maximum support circular arc of the present invention, and maximum support circular arc of the present invention is greater than 180 °, because ofThe semicircle that the strut angle α that this can provide is obviously greater than prior art supports circular arc.
When Fig. 8 shows the crescent end that the present invention processes in the roller groove 11 of roll 10 stressed pointAnalyse figure, dotted portion is the shape under maximum support circular arc, and cutter head 2 is pair roller groove in the time that roller groove 11 cuts11 have the active force of F1, and as shown in the figure, meanwhile, roller groove 11 produces knife bar 1 direction of F1Reaction force-F2. Support slot 84 inwalls of the present invention provide support circular arc can to knife bar 1 provide withThe reverse also equal support force-F3 of F2, and then offset the reaction force-F2 pair of roller groove 11 to knife bar 1The impact of knife bar 1.
Fig. 9 has shown the sectional view of back-up block 3 under Fig. 8 same position in prior art, and to its workForce analysis, its dotted portion is also the shape under maximum support circular arc, same dotted line represents. In figureKnown, because the support circular arc of the back-up block 3 of prior art is semicircle, can not provide F3, offset roller grooveReaction force-the F2 of 11 pairs of knife bars 1, entirely by the mechanical rigid of knife bar 1 self. When processing background technologyIn mention high rigidity, small diameter roller 10 time, the mechanical rigid that knife bar 1 can provide is limited, easilyThere is knife bar 1 bending, affect the life-span of knife bar 1 and cutter head 2, and the precision of the crescent of impact processing.
The solid line part of Figure 10 is the sectional view of E-E in Fig. 6 (not under the position of cutter relieving groove 7), byIn cutter head 2 not on this cross section, therefore be represented by dotted lines in this figure; Other dotted portions illustrate existing skillSectional view under art under same position. As we can see from the figure, with respect to prior art, the present invention passes throughThe setting of wedge surface 83 indents, has reduced the width of E-E place wedge women's head-ornaments 82, rolls thereby increased the present inventionRoller 10 can coordinate scope with cutter head 2, that is, cutter head 2 can go deep into more, more freely in roller groove 11Processing crescent, near minimum degree reduces, the shape of back-up block is goed deep into the impact of roller groove 11 on cutter head 2.In addition, in figure, dash area is the part that the present invention compared with prior art gives prominence to, and dash area is fine againUtilized the headspace between cutter head 2 and roller groove 11, and it is better to use this space to give knife bar 2Chucking power.
The scope that is noted that protection disclosed by the invention is cross section, at least one place of the inwall of support slot 84Radian is greater than 180 °, for those skilled in the art, and greatly 180 ° everywhere, the support circular arc of support slot 84Also should be considered as protection scope of the present invention.
The above is only optimal way of the present invention, it should be pointed out that for those of ordinary skill in the art, without departing from the concept of the premise of the invention, can also make some similar distortion and changeThese enter, within also should be considered as protection scope of the present invention.
Claims (3)
1. high rigidity knife bar support block structure, is characterized in that, comprises the support portion (81) of voussoir shape, instituteState that support portion (81) comprises towards the wedge women's head-ornaments (82) of active side and described wedge women's head-ornaments (82) both sidesWedge surface (83), described wedge women's head-ornaments (82) are provided with cutter relieving groove (7) and support slot (84), described supportThe cross section of the inwall of groove (84) is curved, the arc in the cross section, at least one place of inwall of described support slot (84)Degree is greater than 180 °, and the size of described cutter relieving groove (7) is greater than the size of cutter head (2);
Described wedge women's head-ornaments (82) are in the longitudinal direction by two side direction medial recess; Described wedge surface (83) toSunken inside;
The setting of described wedge surface (83) indent, has reduced wedge women's head-ornaments (82) not at described cutter relieving groove (7)The width of position;
Described support portion (81) split setting, comprises two and half support portions (85), and two described half are supportedSupport slot (84) is divided into two and half support slots by portion (85);
Described high rigidity knife bar support block structure also comprises pressure strip (86), lower pressure strip (87) and props upSeat (9), the each installation portion (88) of fixing in described half support portion (85), described upper pressure strip (86) andLower pressure strip (87) is fixedly clamped from upper and lower both direction respectively towards a side of described support slot (84)Two described installation portions (88), are fixed on described bearing (9) away from a side of described support slot (84).
2. high rigidity knife bar support block structure according to claim 1, is characterized in that described wedgeWomen's head-ornaments (82) are smooth surface.
3. high rigidity knife bar support block structure according to claim 1, is characterized in that described wedgeThe sunk part of face (83) is smooth surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310245608.6A CN103286586B (en) | 2013-06-19 | 2013-06-19 | High rigidity knife bar support block structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310245608.6A CN103286586B (en) | 2013-06-19 | 2013-06-19 | High rigidity knife bar support block structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103286586A CN103286586A (en) | 2013-09-11 |
| CN103286586B true CN103286586B (en) | 2016-05-11 |
Family
ID=49088396
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310245608.6A Active CN103286586B (en) | 2013-06-19 | 2013-06-19 | High rigidity knife bar support block structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103286586B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112247604A (en) * | 2020-06-02 | 2021-01-22 | 南通精育机械有限公司 | Bisection type supporting block structure |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3742815A (en) * | 1969-10-18 | 1973-07-03 | I Sukhov | Method of machining grooves in rolls of hot pilger mills |
| CN201863036U (en) * | 2010-11-25 | 2011-06-15 | 成都普瑞斯数控机床有限公司 | Floating unloading type device for loosening cutter on main shaft |
| CN202097570U (en) * | 2011-05-25 | 2012-01-04 | 青岛港（集团）有限公司 | Boring machine toolbar reinforcing seat |
| CN202763211U (en) * | 2012-08-20 | 2013-03-06 | 联德机械（杭州）有限公司 | Machining knife with support structure |
| CN202963677U (en) * | 2012-12-14 | 2013-06-05 | 天津钢铁集团有限公司 | Numeral control screw-thread miller support block |
| CN203357030U (en) * | 2013-06-19 | 2013-12-25 | 江苏鼎顺重型机床有限公司 | High-rigidity cutter bar supporting block structure |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0740107A (en) * | 1993-07-30 | 1995-02-10 | Dainippon Printing Co Ltd | Lathe-tool rest for cutting fresnel lens or its master die |
-
2013
- 2013-06-19 CN CN201310245608.6A patent/CN103286586B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3742815A (en) * | 1969-10-18 | 1973-07-03 | I Sukhov | Method of machining grooves in rolls of hot pilger mills |
| CN201863036U (en) * | 2010-11-25 | 2011-06-15 | 成都普瑞斯数控机床有限公司 | Floating unloading type device for loosening cutter on main shaft |
| CN202097570U (en) * | 2011-05-25 | 2012-01-04 | 青岛港（集团）有限公司 | Boring machine toolbar reinforcing seat |
| CN202763211U (en) * | 2012-08-20 | 2013-03-06 | 联德机械（杭州）有限公司 | Machining knife with support structure |
| CN202963677U (en) * | 2012-12-14 | 2013-06-05 | 天津钢铁集团有限公司 | Numeral control screw-thread miller support block |
| CN203357030U (en) * | 2013-06-19 | 2013-12-25 | 江苏鼎顺重型机床有限公司 | High-rigidity cutter bar supporting block structure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103286586A (en) | 2013-09-11 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPWO2006033314A1 (en) | End processing apparatus and pipe manufacturing method | |
| CN103286586B (en) | High rigidity knife bar support block structure | |
| CN204182921U (en) | A kind of axial workpiece lathe processing equipment | |
| CN203357030U (en) | High-rigidity cutter bar supporting block structure | |
| CN104985149A (en) | Integrated-shaft and three-roller corner rolling device for continuous casting billet corner rolling | |
| CN202861062U (en) | Side roll device of four-roll veneer reeling machine | |
| CN203779149U (en) | Clamping device for groove cutting of distribution line pipeline | |
| CN202045132U (en) | Mill roller for pipe welding rolling mill | |
| CN205270357U (en) | Supporting seat of short stress line rolling mill | |
| CN204208932U (en) | The righting rotor block of arbor press | |
| CN111872989A (en) | Ultra-narrow slitting process equipment for width of aluminum foil for capacitor | |
| CN203227665U (en) | Separating roller device | |
| CN103357698A (en) | Side roll device of four-roll plate bending roll | |
| CN219253985U (en) | Vertical ring rolling machine capable of preventing workpiece from swinging | |
| CN205855801U (en) | A kind of suspender for crane | |
| CN204545563U (en) | The cutting means that a kind of waterproof roll cuts from middle part | |
| CN204220702U (en) | The lower roll rolling wimble device of three rolls plate bending machine | |
| CN203076330U (en) | Roller assembly assembling structure | |
| CN221494073U (en) | Rolling path rolling and expanding device for conical bearing ring forge piece | |
| CN205183904U (en) | A mechanical type circle shear cutter for shearing steel plate | |
| CN103978039A (en) | Improved rolling mill roller | |
| CN203900116U (en) | Three-hole type half-sectioning guide slot device | |
| CN218638212U (en) | Roller with adjustable function | |
| CN203470543U (en) | Adjusting device for universal roller of auxiliary recoiler | |
| CN211386303U (en) | Roller for rolling deformed steel |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |