CN102950334B - Superhard material saw blade edge grinder - Google Patents
Superhard material saw blade edge grinder Download PDFInfo
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- CN102950334B CN102950334B CN201110250864.5A CN201110250864A CN102950334B CN 102950334 B CN102950334 B CN 102950334B CN 201110250864 A CN201110250864 A CN 201110250864A CN 102950334 B CN102950334 B CN 102950334B
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Abstract
The invention relates to a superhard material saw blade edge grinder. The superhard material saw blade edge grinder comprises a machine tool body, and a machine tool working platform plane, wherein a grinding wheel axle is arranged on a stand column component of the machine tool body, the working platform plane is provided with a locating clamping mechanism for clamping a saw blade, and the saw blade clamped on the locating clamping mechanism corresponds to a grinding wheel on the grinding wheel axle. The locating clamping mechanism comprises a cylindrical locating clamping mechanism, and a strip-shaped locating clamping mechanism. According to the known electrical discharge machining technique and the grinding process technique of a ceramic bond diamond grinding wheel to superhard material, a clamping locating method for roughly and finely processing superhard saw teeth of the superhard material frame saw blade is provided, the horizontal, longitudinal and vertical directions of the machine tool working platform plane are endowed with modern numerical control technology so as to achieve the full automation of processing the saw teeth of the superhard saw blade, so that the superhard material saw blade edge grinder not only can be applied to a machine tool adopting the electrical discharge processing technology, but also can be applied to a machine tool ground and processed by adopting a diamond grinding wheel or a ceramic bond diamond grinding wheel.
Description
Technical field
The invention belongs to the lathe for superhard material manufacture field, relate to a kind of lathe superhard material frame saw blade being carried out to spark machined, or adopt ceramic hard grinding wheel to carry out the lathe of grinding to superhard material frame saw blade.
Background technology
The patent No. is before the ultra-hard material saw blade of ZL200920229042.7 is not invented, in domestic and international saw industry machining equipment, the lathe of superhard material frame saw blade superhard sawtooth processing is still belonged to blank, in order to the normal orbit making the superhard material frame saw blade of granted patent go on batch production, the grinding plant issue to the superhard sawtooth of ultra-hard material saw blade must be solved.Superhard material refers to diamond and cubic boron nitride etc., but diamond cannot be welded to cutter hub by the method for welding to get on, in order to make superhard material blade, there is welding performance, so present diamond blade is all adopt diamond compact, the diamond composite blade that the man-made polycrystalline diamond thick by one deck about 0.5 ~ 0.8mm and the thicker tungsten carbide chip (a kind of hard metal tip) of thickness are sintered into one at high temperature under high pressure, also referred to as PCD blade.
Ultrahard diamond is used widely in cutter, instrument, manufacturing industry etc., the existing supply of multiple lathe utilizing known spark erosion technique and adopt ceramic hard grinding wheel to process superhard material workpiece, but there is no the plant equipment of the superhard sawtooth of ultra-hard material saw blade being carried out to Roughing and fine machining so far.
Spark machined is also called electric discharge processing or galvanic corrosion processing, English abbreviation EDM, and it utilizes electrical heat energy to process part, namely utilizes the high temperature produced that discharges of instantaneous spark between tool-electrode and piece pole to carry out corrode machined material.
Pottery hard grinding wheel (Technique of Vitrified Diamond Wheels and ceramics bond cubic boron nitride grinding wheel) has the plurality of advantages such as grinding efficiency is high, grinding temperature is low, machining accuracy is high, workpiece shapes retention is good, and therefore Technique of Vitrified Diamond Wheels has clear superiority in some superhard material grindings such as diamond, diamond composite blade, the contour hard brittle material of cubic boron nitride.
Summary of the invention
The object of the invention is to overcome the deficiency of existing process equipment function and a kind of new process equipment be provided---edge grinder for saw blade made of super-hard materials, fill up the blank that there is no process equipment in the superhard sawtooth of Roughing and fine machining ultra-hard material saw blade.
Technical scheme of the present invention is achieved in that superhard edge grinder for saw blade comprises bed piece, platen plane, platen plane is provided with the positioning and clamping mechanism for clamping saw blade, positioning and clamping mechanism side bed piece has grinding wheel axle, and saw blade clamping on positioning and clamping mechanism is corresponding with the emery wheel on grinding wheel axle.
Grinding wheel axle is arranged on the column part of bed piece, grinding wheel axle can carry out upper and lower motion according to need of work in certain stroke, also can with the horizontal plane direction and vertical direction certain limit of table plane in carry out forward and reverse rotary motion, in order to reach with positioning and clamping mechanism on to the locus of emery wheel during portion's sharpening each by the sawtooth of clamping saw blade and the cooperation effect at sharpening position.The said grinding wheel axle of the present invention, emery wheel and transmission system thereof are prior art.
The positioning and clamping mechanism that the present invention is used for clamping saw blade comprises (A), (B) two kinds of forms.
The first positioning and clamping mechanism (A) of the present invention is that cylindrical positioning and clamping mechanism------comprises the C axle control block that table plane is arranged, and C axle controls there is C axle in block, and cylindrical location parent is connected on C axle; Also comprise the open type tighten ring for the frame saw blade banding by being fitted in cylindrical location parent outer surface, tighten ring opening two ends have a pair pair of tighten ring to play the bolt of the effect unclamped and clamp, nut.
Cylindrical location of the present invention parent, cylindrical outer surface has a step surface, and step surface is E, E ≈ 3 D/4 to the width of cylinder end face, and wherein D is the width of saw blade.
Described C axle is Mohs cone, and described control cabinet axle front end is mohs tapered bore, can be connected, and can do forward and reverse 360 ° of rotary motions with the Mohs cone of cylindrical location parent afterbody.
The second positioning and clamping mechanism (B) of the present invention is strip positioning and clamping mechanism---comprises the strip positioning body being fixed on table plane, also comprises the top board, the bridge screw that saw blade are pressed in strip positioning body.
The cross section of strip positioning body of the present invention is stairstepping, has end face in the middle part of it, and there is the sloping platform terrace for placing saw blade the side of end face, and opposite side has the parallel block terrace for placing saw blade.
With bolt clamping strip positioning body in platen plane, according to the sharpening successively procedure of processing to frame saw blade sawtooth, the quantity of clamping saw blade each time, frame saw blade can be kept flat respectively and be arranged on positioning body and have on the sloping platform terrace of required precision and the end face of parallel step surface, then on the matrix of frame saw blade, with top board and bridge screw segmentation, saw blade is compressed, now can coordinate with the emery wheel of lathe, and complete manufacturing procedure sawtooth being needed to working position by relevant technologies requirement step by step respectively.
The angle of inclination of described sloping platform terrace is sawtooth left front clearance α 0L ' or sawtooth right front clearance α 0R '.
Described sloping platform terrace is E with the width of parallel step surface, 3/4 of E ≈ saw blade width.
With bolt clamping in bed piece table plane for the positioning and clamping mechanism of (A), (B) two kinds of forms of clamping saw blade, not only can be applied on electric spark machine tool, also can be applied on the lathe of employing skive or ceramic bond super-hard emery wheel.
So far the process equipment of the superhard sawtooth of superhard material frame saw blade is still belonged to blank.The present invention according to known spark erosion technique and Technique of Vitrified Diamond Wheels to superhard material Grinding Technology, first propose to carry out slightly to the superhard sawtooth of superhard material frame saw blade, accurately machined Set and Positioning method also designs composition edge grinder for saw blade made of super-hard materials, compared with prior art, instant invention overcomes existing equipment insufficiency of function, fill up slightly, the blank of process equipment is there is no in fine finishining superhard material frame saw blade sawtooth, there is positioning and clamping mechanism volume little, mechanism is compact, the height of lathe can demultiplication, cost is low, machining accuracy is high, working (machining) efficiency is high, the advantages such as easy operation.
Utilize the edge grinder for saw blade made of super-hard materials that the present invention forms, known modern means of science and technology can be adopted, modern cnc technology is given the horizontal, longitudinal of platen plane and vertical direction, reach the whole-course automation to the processing of ultra-hard material saw blade sawtooth, thus reach and guarantee the requirement of ultra-hard material saw blade high-quality.
Accompanying drawing explanation
The embodiment provided below in conjunction with accompanying drawing is described in further detail the present invention.
Fig. 1 is the structure chart of superhard material or Hardmetal materials frame saw blade; Fig. 2 is the top view of Fig. 1; Fig. 3 is the left side view of Fig. 1.
Fig. 4 is frame saw blade cylindrical location precursor structure figure; Fig. 5 is lock ring loop graph; Fig. 6 is the side view of Fig. 5; Fig. 7 is the structure chart after frame saw blade puts into tighten ring; Fig. 8 is the left side view of Fig. 7; Fig. 9 is the structure chart after Fig. 8 puts into the parent face of cylinder, cylindrical location.
Figure 10 is the structure chart profile of the embodiment of the present invention 1; Figure 11 is in embodiment 1, and the left front clearance face of emery wheel to frock upper ledge saw blade sawtooth adds the schematic diagram in man-hour; Figure 12 is the top view of Figure 11; Figure 13 is the schematic diagram that the right front clearance face of frame saw blade sawtooth adds man-hour.
Figure 14 is in embodiment 1, and emery wheel is adding the schematic diagram in man-hour to frame saw blade sawtooth primary relief surface; Figure 15 is the left side view of Figure 14.
Figure 16 is frame saw blade strip positioning body front view; Figure 17 is the top view of Figure 16; Figure 18 is the A-A profile of Figure 17; Figure 19 is frame saw blade top board figure; Figure 20 is the B-B profile of Figure 19.
Figure 21 is the structure chart profile of the embodiment of the present invention 2; Figure 22 is in embodiment 2, operating diagram when emery wheel processes left front clearance face between frock, workpiece, emery wheel three; Figure 23 is the top view of Figure 22; Figure 24 is the ABCD profile of Figure 23; Figure 25 is that embodiment 2 is at schematic diagram frame saw blade sawtooth primary relief surface being added to man-hour; Figure 26 is the A-A sectional view of Figure 25; Figure 27 is the top view of Figure 25.
Specific embodiments
It is the structure chart of superhard material frame saw blade shown in Fig. 1 to Fig. 3.
In Fig. 1, saw blade matrix 31, hump 32, sawtooth 33, the diamond compact (PCD) 34 be welded in the insert groove of sawtooth 33, sawtooth primary relief surface 39, primary relief surface 39 are primary clearance α 0 with the angle of hump 32, the front edged surface of sawtooth is 40, the angle of front edged surface and hump vertical line 41 is anterior angle γ o, C is that sawtooth is high, and D is saw blade matrix width.
In Fig. 2,31 is saw blade matrixes, and 34 is PCD composite blades, and 35 is the left auxiliary angle of sawtooth, the compound edged surface of left front clearance; 36 is the right auxiliary angle of sawtooth, right front clearance compound edged surface, and 37 and 38 is left and right basal planes of saw blade.
In Fig. 3,34 is PCD composite blades, and 35 and 36 is knife faces after the left and right compound angle of sawtooth, and 37 and 38 is left and right basal planes of saw blade.B is that sawtooth is wide, and b is that saw blade matrix is thick, and b should be less than B, in case during sawing and kerf workpiece two sides rubs.
The structure chart of frame saw blade on the parent of cylindrical location shown in Fig. 4 to Fig. 9.
In Fig. 4,5 is cylindrical location parent, and 14 is cylindrical outer surfaces, and 15 is cylinder end faces, and 16 is cylinder 14 backstage terraces, and the width of 15 to 16 is E, E ≈ 3 D/4; 12 is the Mohs cones of locating parent, and 13 is screw rod inner bolt holes that parent is installed to fixing parent after on connector.The material of cylindrical location parent 5 is No. 45 steel or other steel.
In Fig. 5,17 is open-type elasticity tighten rings, the material of the open-type elasticity tighten ring that tighten ring divides open-type and the large type of non-open-type two, the present embodiment to select is steel spring plate or other steel, the opening bent plate of tighten ring 17 is provided with 1 to 2 bolt hole, the present embodiment is set to two bolts hole, and tighten ring opening can be linked to be entirety by pair of bolts, the nut of opening part.
In Fig. 6,17 is side view of tighten ring, and E is the width of circle, consistent with the E of cylindrical location parent.
In Fig. 7,17 is tighten rings, and 31 are mounted in the frame saw blade in circle, and 10 and 11 is pair of bolts and nuts of connection opening.
In Fig. 8, the width of tighten ring 17 is E, and the width of saw blade 31 is D, and 10 and 11 is pair of bolts and nut.E≈3 D /4。
In Fig. 9,17 is tighten rings, 31 are mounted in the frame saw blade in tighten ring, the inner face being arranged on frame saw blade hump on cylindrical parent 5 cylindrical outer surface and tighten ring all will be fitted with cylinder table terrace 16, frame saw blade sawtooth height is C, and it is D/4 that frame saw blade is installed to the height that on cylindrical parent, rear sawtooth stretches out cylinder end face 15, E ≈ 3 D/4,10 and 11 is a pair clamping tighten ring, simultaneously the bolt of clamp frame saw blade and nut.12 is the Mohs centrums be connected with control cabinet C axle.
In Figure 10,1 is superhard frame saw blade blade milling machine lathe bed, and in the present embodiment, C axle 4 is Mohs cone, and 5 is cylindrical location parents, and 6 is grinding wheel axles, and 7 is emery wheels.10 is bolt.11 is nut, and 17 is tighten ring, and 31 is saw blade.Platen plane 2 has with bolt clamping one the control block 3 rotating C axle, mohs tapered bore in control cabinet axle front end, can be connected with the Mohs cone of cylindrical location parent 5 afterbody, and just can do, reverse 360 ° of rotary motions, the front end of Mohs cone is the large diameter cylinder type location parent 5 that a concentricity requirement is very high, an open type tighten ring 17 is made according to cylindrical large diameter specification, pair of bolts 10 is had at tighten ring 17 opening two ends, nut 11 pairs of tighten rings 17 play the effect unclamped and clamp, then after bending one, the frame saw blade 31 be installed in tighten ring 17 is inserted on the periphery of cylindrical location parent 5 on request together, use the bolt 10 on a pair tighten ring 17 again, nut 11 by frame saw blade 31 and tighten ring 17 very regular be fitted on parent cylindrical outer surface, now, as long as by controlling the rotation C axle on block 3, can to the accurate calibration of each sawtooth of frame saw blade, and coordinate with the emery wheel 7 on lathe, clamped one time, can complete each sawtooth left step by step, the manufacturing procedure in right two front clearance faces.The advantage of this cylindrical positioning and clamping mechanism is that frock bulk area is little, and mechanism is compact, and lathe height can demultiplication, and cost is low, and machining accuracy is high, easily operates.
That the cylindrical positioning and clamping mechanism of frame saw blade is at the operating diagram coordinating the left and right compound angle rear corner surface of aft-loaded airfoil frame saw blade sawtooth with emery wheel shown in Figure 11 to 13.
In Figure 11,2 is platen planes, 3 is control block with the clamping C axle in table plane of screw, 4 is control the C axle in block, 5 is the cylindrical location parents be connected on C axle, and 10 and 11 is bolt and nuts of a pair installation clamping tighten ring and frame saw blade on the parent of cylindrical location.On the left of cylindrical location parent 56 is the grinding wheel axles on bed piece, 7 are mounted in the emery wheel on grinding wheel axle, 8 is cylindricals of emery wheel, by reducing emery wheel 7 center by technical requirement to C axle centre-height difference e, when processing the left surface of frame saw blade sawtooth, the left auxiliary angle requirement of sawtooth of setting can be reached.
In Figure 12, C axle controls block 3, C axle 4, and cylindrical location parent 5, grinding wheel axle 6, emery wheel 7, emery wheel cylindrical 8,10 and 11 is a pair clamping bolt and nut.Tighten ring 17 and frame saw blade 31 are encircled on the cylindrical outer surface of cylindrical location parent, D is that frame saw blade is wide, E is that tighten ring is wide, E ≈ 3 D/4, so, the height that frame saw blade 31 stretches out parent end face is that D/4. emery wheel cylindrical 8 grinding that turns clockwise is welded on the left front clearance (α 0L ') of the PCD composite blade 34 on sawtooth 33 and left front clearance face 35, tooth depth is C, the left front clearance of sawtooth is obtaining of α 0L ' is by rotating C axle box seating 3, making the axis of C axle 4 and the X-X of platen plane 2; Y-Y axis in Y-Y coordinate forms a ɑ 0L ' angle and realizes.Sawtooth front clearance divides left front clearance and right front clearance, and it and the left auxiliary angle of sawtooth, right auxiliary angle constitute the left compound angle front clearance face of sawtooth and right compound angle front clearance face, and Figure 12 is the top view of Figure 11.Figure 11 and Figure 12 illustrate only each left compound angle front clearance face 35 of grinding sawtooth.Figure 13 be by the cylindrical location parent 5 in Figure 12 on the left of grinding wheel axle 6 together with the emery wheel 7 be arranged on grinding wheel axle, among the vestibule being displaced to cylindrical location parent 5 together, and be rotated counterclockwise with the cylindrical 8 of emery wheel, contact with the reverse side 36 of 35, by the technical scheme that picture processing 35 is same, grinding each right front clearance (α 0R ') of sawtooth and right front clearance face 36 can be gone out.
That the cylindrical positioning and clamping mechanism of frame saw blade (A) is at the operating diagram coordinating aft-loaded airfoil frame saw blade sawtooth primary relief surface with emery wheel shown in Figure 14 to Figure 15.
In Figure 14,2 is platen planes, 3 is with the clamping C axle box seating in table plane of bolt, 4 is the C axles in block, 5 is the cylindrical location parents be connected on C axle, 10 and 11 is be arranged on the bolt and the nut that cylindrical location parent 5 clamp tighten ring 17 and frame saw blade 31 for a pair, on the left of cylindrical location parent 56 is the grinding wheel axles on lathe bed, because grinding wheel axle has tilted backwards the angle of a sawtooth primary clearance, so can see part cylindrical 8,9 is end faces after grinding wheel inclination.
In Figure 15,3 is control blocks of C axle, and C axle is 4, cylindrical location parent 5, grinding wheel axle 6, and emery wheel end face 9 is left side views of Figure 14, and 2 is platen planes, and 17 is tighten rings, and 31 is frame saw blades, and 39 is rear leading role faces.According to sawtooth designing requirement, the angle of its primary clearance is α 0, so grinding wheel axle 6 must tilt one be the angle of α 0 with basal plane (table plane 2) angle, then, after grinding wheel axle 6 being increased to a certain height on C axle 4 center according to technical requirement, namely the end face 9 of operative wheels 7 goes each primary relief surface 39. of processing sawtooth
With the various cutters that superhard material composite blade makes, its surface of ultra-hard material is all as the rake face of cutter, superhard material frame saw blade is no exception, so in FIG the front edged surface 40 of frame saw blade 31 without grinding, angle (γ o) anterior angle of its front edged surface 40 and cutting plane 41, sawtooth 33 is processed in insert groove, as long as PCD composite blade is welded in insert groove and can be formed.
Structure (B) figure of frame saw blade strip location parent shown in Figure 16 to Figure 18.The material of strip positioning body can use magnet, or other steel make.
In Figure 16,18 is strip positioning bodies, and 19 is baseplanes of positioning body, and 20 is the step surfaces being centered around positioning body surrounding sustained height, and 28 is end faces of positioning body.
In Figure 17,18 is strip positioning bodies, and 20 is step surfaces, and 21 is several screws of distribution, and 22 is at Y-Y to the plane having oblique angle, and 23 is planes parallel with bottom surface, and 26 and 27 is right flank and the left surface of strip positioning body respectively.
In Figure 18,18 is strip positioning bodies, and 20 is step surfaces, and 21 is screws, and 22 is inclined-planes of sawtooth left front clearance α 0L ' or right front clearance α 0R ', and 24 is the rear end faces on inclined-plane 22; 23 is planes parallel with bottom surface 19,25 be 23 rear end face; 26 and 27 is right flank and the left surface of strip positioning body respectively; The width of 24 to 26 and 25 to 27 is E, and the width of E is 3/4 of saw blade width, 28 is end faces, and the distance of end face 28 to 22 is the thick b+1 of saw blade matrix
;the distance of end face 28 to 23 is that the thick bx4 of saw blade matrix is advisable.B is that saw blade matrix is thick.
Figure 19 to Figure 20 is top board front view and sectional view, and in figure, d is the hole of through bolt.
In Figure 21,1 is superhard edge grinder for saw blade lathe bed, and 2 is table surfaces, and 18 is strip positioning bodies, and 6 is grinding wheel axles, and 7 is emery wheels, and 29 is top board, and 30 is pressing plate nut, and 31 is frame saw blades.
It is frame saw blade strip positioning body clamp system (B) coordinates the left and right compound front clearance face of aft-loaded airfoil frame saw blade sawtooth operating diagram with emery wheel shown in Figure 22 to Figure 24.
In Figure 22,18 is strip positioning bodies, and 19 is clamping positioning body bottom surfaces on platen face 2, and 20 is step surfaces, 31 is frame saw blades, 34 is PCD blades, and 35 and 36 is the left and right compound front clearance face of sawtooth respectively, and 40 is rake faces of sawtooth, 29 is top boards of clamping saw blade, 30 is bridge screws, and 6 is grinding wheel axles, and 7 is emery wheels.According to the size of emery wheel diameter, after the distance of e being moved in the center of grinding wheel axle after the rake face 40 of sawtooth by technical requirement, namely 35 faces of operative wheels cylindrical 8 pairs of sawtooth process the setting requirement of left auxiliary angle KrL '.After saw blade x-x direction is overturn 180 °, use the same method the right auxiliary angle KrR ' that can process 36.
In Figure 23,18 is strip positioning bodies, and 20 is step surfaces, and 31 is frame saw blades, and 33 is sawtooth, and 34 is PCD blades, and 29 is clamping saw blade top boards, and 30 is bridge screws, and 6 is grinding wheel axle, processes the front clearance face of sawtooth with emery wheel cylindrical 8, and sawtooth height is C.
In Figure 24, 18 is strip positioning bodies, 19 is positioning body bottom surfaces, 20 is step surfaces, 21 is Inner screws, 22 is inclined-planes of sawtooth left front clearance α 0L ' or right front clearance α 0R ', the left front clearance (α 0L ') of 35 is realized by this setting, 24 is the rear end faces on inclined-plane 22, the height of 22 to 28 is b+1, 22 inclined-planes are wide is E, saw blade width is D, E ≈ 3 D/4, after on saw blade clamping to the inclined-plane 22 of strip positioning body, with top board 29 and bridge screw, saw blade is clamped, then the left auxiliary angle of sawtooth is processed with emery wheel cylindrical 8, the left front clearance face 35 of left front clearance compound angle.After saw blade being overturn 180 °, using the same method and can process the right auxiliary angle of saw blade, the right front clearance face 36 of right front clearance compound angle, sawtooth height C, is that C carrys out control realization with the working width of emery wheel cylindrical 8.After positioning body right flank 26 is rotated 180 ° in table plane, saw blade can be made close to machine tool grinding wheel shaft 6 and emery wheel 7(referring to Figure 21).
It is frame saw blade strip positioning and clamping mechanism (B) coordinates aft-loaded airfoil sawtooth primary relief surface operating diagram with emery wheel shown in Figure 25 to Figure 27.
In Figure 25,18 is strip positioning bodies, and 19 is positioning body bottom surfaces, and 20 is step surfaces, and 29 is top boards, and 30 is bridge screws, and 6 is grinding wheel axles, and 8 is emery wheel cylindricals, and 9 is emery wheel end faces.
In Figure 26, 18 is strip positioning bodies, 19 is positioning body bottom surfaces, 20 is step surfaces, 21 is Inner screws, 23 is step surfaces of installing frame saw blade, the height of 23 to 28 can be determined according to the quantity of setting installing frame saw blade, once overlapping installation two saw blades are set in the present embodiment, damage mutually for preventing sawtooth, so to add between saw blade put one with the pad of saw blade matrix stack pile, for this reason, in the present embodiment, the distance of 23 to 28 is about 4 × b(saw blade matrix thickness b), 25 is rear end faces of 23, 31 is saw blades, 42 is pads, 34 is PCD blades, 27 is left surfaces of positioning body, the width of 25 to 27 is E, D is saw blade width, E ≈ 3 D/4, 6 is the grinding wheel axles having rotated the sawtooth primary clearance number of degrees, 8 is emery wheel cylindricals, 9 is emery wheel end faces, after the suitable height of distance saw blade sawtooth is adjusted at grinding wheel axle 6 center, namely operative wheels end face 9 processes sawtooth primary relief surface.
In Figure 27,18 is strip positioning bodies, and 20 is step surfaces, and 31 is frame saw blades, 33 is sawtooth, 34 is PCD blades, and 29 is top boards of clamping saw blade, and 30 is bridge screws, 6 is grinding wheel axles, grinding wheel axle 6 is rotated clockwise the primary clearance α 0 degree of sawtooth, after then the center of grinding wheel axle 6 being adjusted to the suitable height of distance saw blade sawtooth, namely available end face 9 processes primary clearance α 0 needed for sawtooth and primary relief surface 39.
The frame saw blade sharpening positioning mode of the embodiment of the present invention 1 and embodiment 2, not only can be applicable on the lathe of spark erosion technique, also can be applicable on the lathe of Technique of Vitrified Diamond Wheels grinding.
The embodiment of the present invention 1 and embodiment 2 pairs of superhard material frame saw blade sawtooth can carry out the Set and Positioning method of Roughing and fine machining, can modern cnc technology be given the horizontal, longitudinal of platen plane and vertical direction three-dimensional and carry out in line projection's detection technique to tooth Profile Machining simultaneously, reach the whole-course automation to each sawtooth processing of saw blade.
Described spark machined all needs by technical requirement, in process, to annotate sufficient cutting fluid, reach conduction, lubrication and cooling effect to the working position of workpiece.
Described employing skive or ceramic bond super-hard emery wheel lathe carry out in grinding to superhard sawtooth, also all needs, to working position filling cutting fluid, to reach the effect of Cooling and Lubricator.
Claims (6)
1. an edge grinder for saw blade made of super-hard materials, comprise bed piece (1), platen plane (2), bed piece column part is provided with grinding wheel axle (6), it is characterized in that: table plane (2) is provided with the positioning and clamping mechanism for clamping saw blade, saw blade clamping on positioning and clamping mechanism is corresponding with the emery wheel (7) on grinding wheel axle (6); The described positioning and clamping mechanism for clamping saw blade comprises the upper C axle arranged of table plane (2) and controls block (3), C axle controls there is C axle (4) in block (3), and cylindrical location parent (5) is connected on C axle (4); Also comprise the tighten ring (17) of the frame saw blade banding for being fitted in cylindrical location parent (5) outer surface, tighten ring (17) opening two ends have a pair pair of tighten ring to play to unclamp and bolt, the nut of clamping action.
2. edge grinder for saw blade made of super-hard materials according to claim 1, it is characterized in that: described cylindrical location parent (5), cylindrical outer surface (14) has a step surface (16), step surface (16) is E to the width of cylinder end face (15), E ≈ 3 D/4, wherein D is the width of saw blade.
3. edge grinder for saw blade made of super-hard materials according to claim 1, it is characterized in that: described C axle (4) is Mohs cone, described control cabinet axle front end is mohs tapered bore, can be connected with the Mohs cone of cylindrical location parent (5) afterbody, and forward and reverse 360 ° of rotary motions can be done.
4. an edge grinder for saw blade made of super-hard materials, comprise bed piece (1), platen plane (2), bed piece column part is provided with grinding wheel axle (6), it is characterized in that: table plane (2) is provided with the positioning and clamping mechanism for clamping saw blade, saw blade clamping on positioning and clamping mechanism is corresponding with the emery wheel (7) on grinding wheel axle (6); The described positioning and clamping mechanism for clamping saw blade comprises the strip positioning body (18) of table plane (2), also comprises the top board (29), the bridge screw (30) that saw blade are pressed in strip positioning body; The cross section of described strip positioning body (18) is stairstepping, end face (28) is had in the middle part of it, there is the sloping platform terrace (22) for placing saw blade the side of end face (28), and opposite side has the parallel block terrace (23) for placing saw blade.
5. edge grinder for saw blade made of super-hard materials according to claim 4, is characterized in that: the angle of inclination of described sloping platform terrace (22) is sawtooth left front clearance α 0L ' or sawtooth right front clearance α 0R '.
6. edge grinder for saw blade made of super-hard materials according to claim 4, is characterized in that: described sloping platform terrace (22) is E with the width of parallel step surface (23), 3/4 of E ≈ saw blade width.
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| US4023448A (en) * | 1975-08-13 | 1977-05-17 | Milo Bertini | Method of making a saw blade construction |
| CN2038824U (en) * | 1988-01-11 | 1989-06-07 | 黄河清 | Vertical grinding machine for strap sawing machine |
| US5488884A (en) * | 1994-04-07 | 1996-02-06 | Armstrong Manufacturing Company | Method and apparatus for side-grinding saw blade teeth |
| CN2882868Y (en) * | 2006-03-23 | 2007-03-28 | 叶利民 | Automatic toothing machine |
| CN101380685A (en) * | 2008-10-16 | 2009-03-11 | 约克夏(浙江)工具有限公司 | Tooth grinder for producing bimetal band saw blade |
| CN202224766U (en) * | 2011-08-29 | 2012-05-23 | 张大晟 | Edge grinder for saw blade made of super-hard materials |
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| CN102950334A (en) | 2013-03-06 |
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