CN102773538A - Milling tool for forming Super-thick steel plate groove - Google Patents
Milling tool for forming Super-thick steel plate groove Download PDFInfo
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- CN102773538A CN102773538A CN201210242664XA CN201210242664A CN102773538A CN 102773538 A CN102773538 A CN 102773538A CN 201210242664X A CN201210242664X A CN 201210242664XA CN 201210242664 A CN201210242664 A CN 201210242664A CN 102773538 A CN102773538 A CN 102773538A
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Abstract
The invention discloses a milling tool for forming super-thick steel plate groove, comprising a cutter body (1), a cutter holder (2), cutter blades and a dull-edged cutter piece (4); the cutter holder (2) is fixedly arranged on the step surface (10) of the cutter body (1); an upper groove cutter blade and a lower groove cutter blade (3) are fixed in an upper cutter blade groove and a lower cutter blade groove (14) in the cutter holder (2); the dull-edged cutter piece (4) is fixed in a dull-edged cutter piece positioning groove (16) of the cutter holder (2); and a dull-edged cutter blade (25) is fixed in a dull-edged cutter blade groove (15) of the dull-edged cutter piece (4). The milling tool for forming super-thick steel plate groove provided by the invention has the beneficial effects that all the cutter blades installed on the cutter holder are in overlap joint, thus a complete groove profile cutting blade is formed, and a required V-shaped or U-shaped butt-welding welding surface can be machined one time; through the installation of adjusting gaskets with different thicknesses on the bottom of the dull-edged cutter piece, the adjusting function of the dull-edged cutter piece is realized, thus the groove dimensions with different dull-edged widths can be met; and through replacing different cutter holders, the machining of profiles of different angles can be realized.
Description
Technical field
The present invention relates to the metal cutting manufacture field, particularly a kind of super-thick steel plate groove profile milling cutter.
Background technology
For the processing of the steel plate welding groove surface of the processing of super-thick steel plate welding groove surface, particularly 60mm ~ 115mm, at present domestic also do not have a disposable moulding cutter that processes complete groove profile.At present, at welding field, particularly at the super-thick steel plate welding field; Domestic for the normal processing methods such as flame cutting, carbon arc air gouging that adopt of groove profile processing, this class methods shortcoming is that the groove profile angular error that not only processes is big, and the groove face roughness after the cutting is also poor; To directly influence welding quality,, and then weld so postorder also need polish flat except that descale; So processed complex is loaded down with trivial details, working (machining) efficiency is not high, is only applicable to small lot batch manufacture; And in the large batch of production, processing methods such as present flame cutting, carbon arc air gouging obviously can't obtain effectively satisfying producing.Therefore this field is also sought a kind ofly both can obtain high-quality groove face constantly exploring always, high production efficiency is arranged again, and can disposablely process the moulding cutter of complete V-arrangement or U-shaped groove profile.
Summary of the invention
The objective of the invention is to overcome the shortcoming of prior art; Provide a kind of and both can obtain high-quality groove face, and can disposablely process the super-thick steel plate groove profile milling cutter of complete groove profile, its working (machining) efficiency is high; The forming surface angular error is little, and the groove face roughness is low.
The object of the invention is realized through following technical scheme: super-thick steel plate groove profile milling cutter; It comprises cutter hub, tool rest and blade, and cutter hub is fixed on the central shaft and with the central shaft rotation, the circumference of cutter hub is provided with some step surfaces; All be provided with tool rest collet threaded hole on the step surface of each cutter hub; Tool rest is fixedly arranged on the step surface, and it also comprises root face cutter piece, also is provided with axial direction positioning device on the step surface of each cutter hub; Tool rest is spacing through step surface, locating surface and axial direction positioning device, and through the tool rest housing screw it is pressed on the cutter hub; Blade comprises upper and lower groove blade and root face blade; Tool rest is provided with upper and lower insert groove; Upper and lower insert groove comprises upper slitter film trap of arranging in the shape of a spiral that is separately positioned on the tool rest both sides and the bottom knife groove of arranging in the shape of a spiral; Be provided with the thread connection hole of blade pressing screw in the upper and lower insert groove; Upper and lower groove blade is provided with the screw in compression hole, and the blade pressing screw passes the screw in compression hole on the upper and lower groove blade, and each upper and lower groove blade is fixed in the corresponding upper and lower insert groove; On the tool rest between upper slitter film trap and the bottom knife groove, also be provided with root face cutter piece locating slot, root face cutter piece through root face cutter piece housing screw in counterbore is fixed in root face cutter piece locating slot; Also be provided with the root face insert groove on the root face cutter piece; Be provided with the thread connection hole of blade pressing screw in the root face insert groove; The root face blade is provided with the screw in compression hole, and the blade pressing screw passes the screw in compression hole on the root face blade, and the root face blade is fixed in the root face insert groove; Upper and lower groove blade and root face blade on each tool rest overlap each other, form complete V-arrangement or U-shaped groove profile cutting edge.
The bottom of the inherent root face cutter of root face cutter piece locating slot piece also is equipped with the adjustment pad; The difference that requires according to processing dimension can be on tool rest the bottom of root face cutter piece the adjustment pad of different-thickness is installed; Thereby make root face cutter piece in groove, to move up and down; Obtain different root face width with this, satisfy the process requirements of more how different groove sizes.
Axial direction positioning device is alignment pin or the positioning key that is installed on the step surface.
Upper and lower groove blade and root face blade are triangular blade or square blade or circular arc blade.
Upper and lower groove blade and root face blade adopt upright assembling structure to arrange and are installed in the corresponding insert groove.
Upper and lower groove blade and root face blade are the full overlap joint of imitating each other, promptly are installed on a blade on the tool rest and just can be overlapped to form a complete V-arrangement or U-shaped groove profile cutting edge.
The present invention has the following advantages: all blades that are installed on the tool rest overlap each other, form complete groove profile cutting edge, can disposablely process required V-type or U type butt welding solder side like this; Adjustment pad through different-thickness is installed in the bottom of root face cutter piece is realized the adjustment function of root face cutter piece, thereby can satisfy the groove size of different root face width; Through changing different tool rests, can realize the profile processing of different angles, comprise the processing of U type or double V-groove face.
Cutter is through CAD and manufacturing, and work in-process is processed in the heart, so the cutter machining accuracy is high; Can effectively guarantee the accuracy of blade overlap joint line style and the run-out tolerance of cutting edge roundness; According to the rational blade material of the material selection of steel plate, guaranteed the machinability and the crudy of milling cutter, can obtain the lower bevel for welding surface of surface roughness; Operation such as need not to take again to polish flat, welding performance also is superior to the groove solder side that flame cutting, carbon arc air gouging etc. process.Therefore the present invention has not only effectively improved welding quality, has also effectively improved working (machining) efficiency, has satisfied the process requirements in super-thick steel plate field greatly.
Description of drawings
Fig. 1 is a structural representation of the present invention
Fig. 2 is the right view of Fig. 1
Fig. 3 is for adopting the structural representation of triangular blade and the tool rest that adopts the alignment pin location
Fig. 4 cooperates, adopts the structural representation of the tool rest of alignment pin location for employing side's blade and circular arc blade
Fig. 5 is the front view of tool rest shown in Figure 4
Fig. 6 is the vertical view of Fig. 5
Fig. 7 is the front view of tool rest shown in Figure 3
Fig. 8 is the vertical view of Fig. 7
Fig. 9 is the structural representation of root face cutter piece
Figure 10 is the vertical view of Fig. 9
Figure 11 is for regulating the structural representation of pad
Figure 12 is overlapped to form the cutting structure sketch map of a complete U-shaped groove profile cutting edge for the blade on the tool rest
Figure 13 is overlapped to form the cutting structure sketch map of a complete V-butt profile cutting edge for the blade on the tool rest
Figure 14 is for adopting the structural representation of triangular blade and the tool rest that adopts the positioning key location
Figure 15 is the structural representation for employing side's blade and the tool rest that the circular arc blade cooperates, the employing positioning key is located
Figure 16 is the structural representation of positioning key
Figure 17 is the front view of tool rest shown in Figure 15
Figure 18 is the vertical view of Figure 17
Figure 19 is the front view of tool rest shown in Figure 14
Figure 20 is the vertical view of Figure 19
Among the figure, 1-cutter hub, 2-tool rest, the upper and lower groove blade of 3-, 4-root face cutter piece, 5-blade pressing screw; 6-tool rest housing screw, 7-root face cutter piece housing screw, 8-adjusts pad, 9-alignment pin, 10-step surface; The 11-locating surface, 12-tool rest collet threaded hole, 13-pin-and-hole, the upper and lower insert groove of 14-, 15-root face insert groove; 16-root face cutter piece locating slot, 17-root face cutter piece collet threaded hole, 18-tool rest pin-and-hole, 19-root face cutter piece counterbore, 20-positioning key; The 21-housing screw, 22-cannelure, 23-keyway, 24-screwed hole, 25-root face blade.
The specific embodiment
Below in conjunction with accompanying drawing the present invention is done further description, protection scope of the present invention is not limited to the following stated:
Like Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7, Fig. 8, Fig. 9, shown in Figure 10; Super-thick steel plate groove profile milling cutter, it is made up of cutter hub 1, tool rest 2, blade, root face cutter piece 4, blade pressing screw 5, tool rest housing screw 6, root face cutter piece housing screw 7, adjustment pad 8 and axial direction positioning device.Cutter hub 1 is fixed on the central shaft and can rotates with central shaft, and the circumference of cutter hub 1 is provided with some step surfaces 10, and the tool rest collet threaded hole 12 corresponding with tool rest 2 counterbores all arranged on the step surface 10 of each cutter hub 1; Tool rest 2 is fixedly arranged on the step surface 10; Also be provided with axial direction positioning device on the step surface 10 of each cutter hub 1, axial direction positioning device is an alignment pin 9, also is provided with pin-and-hole 13 on the step surface 10 of each cutter hub 1; Alignment pin 9 is fixed in the pin-and-hole 13 of correspondence position; Tool rest 2 is placed on the step surface 10, leans on step surface 10, locating surface 11 and alignment pin 9 spacing, and through tool rest housing screw 6 it is pressed on the cutter hub 1; Alignment pin 9 connects with tool rest pin-and-hole 1813 on the tool rest 2, and through tool rest housing screw 6 tool rest 2 is pressed on the cutter hub 1.
Like Figure 14, Figure 15, Figure 16, Figure 17, Figure 18, Figure 19, shown in Figure 20; Described positioner also can be positioning key 20; The step surface 10 of cutter hub 1 is provided with cannelure 22; Tool rest 2 is provided with keyway 23, and positioning key 20 is fixed in the keyway 23 of tool rest 2 through housing screw 21 and screwed hole 24, cooperates with cannelure 22 and realizes the location.
Like Fig. 2～Fig. 8, Figure 12～Figure 15, Figure 17～shown in Figure 20; Described blade comprises upper and lower groove blade 3 and root face blade 25; Tool rest 2 is provided with upper and lower insert groove 14; Upper and lower insert groove 14 comprises upper slitter film trap of arranging in the shape of a spiral that is separately positioned on tool rest 2 both sides and the bottom knife groove of arranging in the shape of a spiral; Be provided with the thread connection hole of blade pressing screw 5 in the upper and lower insert groove 14, upper and lower groove blade 3 is provided with the screw in compression hole, and blade pressing screw 5 passes the screw in compression hole on the upper and lower groove blade 3; Each upper and lower groove blade 3 is fixed in corresponding several upper slitter film traps and several bottom knife grooves; On the tool rest 2 between upper slitter film trap and the bottom knife groove, also be provided with root face cutter piece locating slot 16, be provided with root face cutter piece collet threaded hole 17 in the root face cutter piece locating slot 16, root face cutter piece 4 through root face cutter piece housing screw 7 in root face cutter piece counterbore 19 is fixed in root face cutter piece locating slot 16; And like Fig. 3, Fig. 4, Figure 11, Figure 14, shown in Figure 15, the bottom of root face cutter piece locating slot 16 inherent root face cutter pieces 4 also can be installed the adjustment pad 8 of different-thickness according to the processing dimension needs; Like Fig. 9, shown in Figure 10; Also be provided with root face insert groove 15 on the root face cutter piece 4; Be provided with the thread connection hole of blade pressing screw 5 in the root face insert groove 15; Root face blade 25 is provided with the screw in compression hole, and blade pressing screw 5 passes the screw in compression hole on the root face blade 25, and root face blade 25 is fixed in the root face insert groove 15.Upper and lower groove blade 3 adopts upright assembling structure to arrange with root face blade 25 and is installed in the corresponding insert groove.
Claims (6)
1. super-thick steel plate groove profile milling cutter; It comprises cutter hub (1), tool rest (2) and blade; Cutter hub (1) is fixed on the central shaft and with central shaft and rotates; The circumference of cutter hub (1) is provided with some step surfaces (10), all is provided with tool rest collet threaded hole (12) on the step surface (10) of each cutter hub (1), and tool rest (2) is fixedly arranged on the step surface (10); It is characterized in that: it also comprises root face cutter piece (4); Also be provided with axial direction positioning device on the step surface (10) of each cutter hub (1), tool rest (2) is spacing through step surface (10), locating surface (11) and axial direction positioning device, and through tool rest housing screw (6) it is pressed on the cutter hub (1); Blade comprises upper and lower groove blade (3) and root face blade (25); Tool rest (2) is provided with upper and lower insert groove (14); Upper and lower insert groove (14) comprises upper slitter film trap of arranging in the shape of a spiral that is separately positioned on tool rest (2) both sides and the bottom knife groove of arranging in the shape of a spiral; Be provided with the thread connection hole of blade pressing screw (5) in the upper and lower insert groove (14); Upper and lower groove blade (3) is provided with the screw in compression hole; Blade pressing screw (5) passes the screw in compression hole on the upper and lower groove blade (3); Each upper and lower groove blade (3) is fixed in the corresponding upper and lower insert groove (14), on the tool rest (2) between upper slitter film trap and the bottom knife groove, also is provided with root face cutter piece locating slot (16), root face cutter piece (4) through root face cutter piece housing screw (7) in counterbore is fixed in root face cutter piece locating slot (16); Also be provided with root face insert groove (15) on the root face cutter piece (4); Be provided with the thread connection hole of blade pressing screw (5) in the root face insert groove (15); Root face blade (25) is provided with the screw in compression hole; Blade pressing screw (5) passes the screw in compression hole on the root face blade (25); Root face blade (25) is fixed in the root face insert groove (15), overlaps each other between upper and lower groove blade (3) on each tool rest (2) and root face blade (25) cutting edge, form complete V-arrangement or U-shaped groove profile cutting edge.
2. super-thick steel plate groove profile milling cutter according to claim 1 is characterized in that: the bottom of described root face cutter piece locating slot (16) inherent root face cutter piece (4) also is equipped with adjustment pad (8).
3. super-thick steel plate groove profile milling cutter according to claim 1 is characterized in that: described axial direction positioning device is alignment pin (9) or positioning key (20).
4. super-thick steel plate groove profile milling cutter according to claim 1 is characterized in that: described upper and lower groove blade (3) and root face blade (25) are triangular blade or square blade or circular arc blade.
5. super-thick steel plate groove profile milling cutter according to claim 1 is characterized in that: described upper and lower groove blade (3) and root face blade (25) adopt upright assembling structure to arrange and are installed in the corresponding insert groove.
6. super-thick steel plate groove profile milling cutter according to claim 1; It is characterized in that: described upper and lower groove blade (3) and root face blade (25) are the full overlap joint of imitating each other, and the blade that promptly is installed on the tool rest (2) just can be overlapped to form a complete V-arrangement or U-shaped groove profile cutting edge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210242664.XA CN102773538B (en) | 2012-07-13 | 2012-07-13 | Milling tool for forming super-thick steel plate groove |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210242664.XA CN102773538B (en) | 2012-07-13 | 2012-07-13 | Milling tool for forming super-thick steel plate groove |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102773538A true CN102773538A (en) | 2012-11-14 |
| CN102773538B CN102773538B (en) | 2015-03-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210242664.XA Expired - Fee Related CN102773538B (en) | 2012-07-13 | 2012-07-13 | Milling tool for forming super-thick steel plate groove |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102773538B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105081472A (en) * | 2015-09-02 | 2015-11-25 | 中广核工程有限公司 | Method for machining omega weld joint groove in lower portion of CRDM of nuclear power plant and cutter |
| CN112496423A (en) * | 2021-01-07 | 2021-03-16 | 中铁宝桥集团有限公司 | High manganese frog face milling cutter |
| CN113618175A (en) * | 2021-09-13 | 2021-11-09 | 哈尔滨山纳工具制造有限公司 | Gear rough milling cutter with adjustable modulus |
| CN114833364A (en) * | 2021-02-02 | 2022-08-02 | 中国石油天然气集团有限公司 | Composite groove cutter |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105081472A (en) * | 2015-09-02 | 2015-11-25 | 中广核工程有限公司 | Method for machining omega weld joint groove in lower portion of CRDM of nuclear power plant and cutter |
| CN105081472B (en) * | 2015-09-02 | 2017-10-31 | 中广核工程有限公司 | Nuclear power station CRDM lower omega welding seam retaining wall on slope methods and cutter |
| CN112496423A (en) * | 2021-01-07 | 2021-03-16 | 中铁宝桥集团有限公司 | High manganese frog face milling cutter |
| CN114833364A (en) * | 2021-02-02 | 2022-08-02 | 中国石油天然气集团有限公司 | Composite groove cutter |
| CN113618175A (en) * | 2021-09-13 | 2021-11-09 | 哈尔滨山纳工具制造有限公司 | Gear rough milling cutter with adjustable modulus |
| CN113618175B (en) * | 2021-09-13 | 2024-04-12 | 哈尔滨山纳工具制造有限公司 | Gear rough milling cutter with adjustable modulus |
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| CN102773538B (en) | 2015-03-25 |
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