CN203622668U - Hard and brittle material cutting equipment - Google Patents

Abstract

The utility model discloses hard and brittle material cutting equipment which comprises a machine base, a lifting ram arranged on the machine base in the vertical direction in a lifting mode and a cutting mechanism arranged on the machine base. A piece to be cut is arranged on the lower portion of the lifting ram in the mode that the piece can rotate around the axis of the piece. The cutting mechanism comprises a roller base arranged below the lifting ram, a plurality of multi-wire grooved pulleys which are arranged on the roller base in the mode that the multi-wire grooved pulleys can rotate around the axes of the multi-wire grooved pulleys and a plurality of steel wires for cutting. The steel wires are wound on the multi-wire grooved pulleys in sequence and form a plurality of cutting wires. The two ends of each steel wire are subjected to taking up and paying off through a taking-up and paying-off mechanism arranged on the machine base. By driving one multi-wire grooved pulley to rotate, the cutting wires formed by the steel wires are driven to move in a reciprocating mode to carry out cutting machining on the rotating piece to be cut, during machining, a contact line between the piece to be cut and the steel wires for cutting is short, so that large-diameter super-hard and super-brittle material cutting is easy, energy loss of the cutting equipment during cutting is greatly lowered, power can be greatly lowered, and cutting efficiency is improved.

Description

A kind of hard brittle material cutting equipment

Technical field

the utility model relates to a kind of hard brittle material cutting equipment, relates in particular to a kind of cutting equipment that can cut large scale hard brittle material.

Background technology

for as the cutting of the hard brittle materials such as glass, pottery, crystal, silicon material, magnetic material, sapphire, earliest period is to adopt Multi-knife machine or inside and outside circular knitting machine, the blade that these two kinds of modes are cut employing is conventionally thicker, blade thickness is generally not less than 0.3mm, wastage of material is more, size is relatively little, and efficiency is lower, substantially no longer adopts.

have subsequently the appearance of multi-line cutting machine, by the reciprocating motion of steel wire, bring abrasive particle into by work piece cut, workpiece is done descending motion simultaneously, can work piece cut is in blocks, and its incision principle is as shown in Figure 1.Under this cutting mode, due to steel wire diameter less (being generally 0.09～0.3mm), therefore waste of raw materials is few, and simultaneously can cutting blade number many, efficiency high energy consumption is low, applies comparatively extensive.But this type of multi-line cutting machine is in when cutting, the contact wire of cutting steel wire and workpiece is very long, glass-cutting, pottery, crystal, silicon material fashion can, but seem unable to do what one wishes while cutting as superhard materials such as sapphires.

there is again in recent years the cutting machine of workpiece small angle oscillation, its incision principle is that the roller that drives steel wire to move reciprocatingly 1 ' and roller 2 ' are contained on panoramic table, in cutting process, two rollers drive steel wire reciprocating, panoramic table is done descending motion with low speed swing, workpiece simultaneously, thereby by work piece cut, its incision principle figure as shown in Figure 2.The cutting effect of this cutting mode is still not satisfactory, although can cutting sapphire, but also can only cut at most two inches of following sapphires, that diameter of work to be cut requires is little, simultaneously can number of slices few, cannot carry out cutting processing to large diameter sapphire.

Summary of the invention

the purpose of this utility model is the shortcoming that overcomes prior art, and a kind of hard brittle material cutting equipment is provided, to meet the cutting processing demand of hard brittle material workpiece.

for achieving the above object, the technical solution adopted in the utility model is:

a kind of hard brittle material cutting equipment, described cutting equipment comprises support, vertically be arranged on up and down the lifting ram on described support, for driving the lift drive mechanism of vertically lifting of described lifting ram, to be cut can be arranged on rotatably around Pivot Point Center line the bottom of described lifting ram, described lifting ram is provided with the rotary drive mechanism for driving described to be cut rotation, on described support, be also provided with cutting mechanism, described cutting mechanism comprises the roller stand of being located at described lifting ram below, can be arranged on rotatably the multiple multi-thread sheave on described roller stand around Pivot Point Center line, winding forms the cutting steel wire of many cutting wires on multiple described multi-thread sheaves according to the order of sequence, the two ends of described steel wire are by the retractable cable mechanism folding and unfolding being arranged on described support, many described cutting wires axially distributing separately along described multi-thread sheave, thereby on described support, be also provided with for drive multi-thread sheave described in one of them rotarily drive many described cutting wires move back and forth along described to be cut radially to described to be cut the cutting driving mechanism cutting.

preferably, the bottom of described lifting ram is fixedly provided with the mount pad for installing described to be cut, one end face of described to be cut is bonded with flitch regularly, its other end is bonded with spherical pad regularly, the bottom of described mount pad is provided with rotatable rotating shaft, axially displaceable ball-type thimble, the axial line of the axial line of described rotating shaft and described ball-type thimble distributes along same rectilinear direction, described rotating shaft is fixed with sucker on the end of described ball-type thimble, described flitch is pull-in on described flitch regularly, the thimble portion of described ball-type thimble conflicts vertically on described spherical pad.

preferably, the bottom of described lifting ram is fixedly provided with the mount pad for installing described to be cut, one end face of described to be cut is bonded with flitch regularly, its other end is bonded with spherical pad regularly, the bottom of described mount pad is provided with rotatable rotating shaft, axially displaceable ball-type thimble, the axial line of the axial line of described rotating shaft and described ball-type thimble distributes along same rectilinear direction, described rotating shaft is fixedly provided with the fixture for clamping described flitch on the end of described ball-type thimble, described flitch is clamped on described fixture, the thimble portion of described ball-type thimble conflicts vertically on described spherical pad.

preferably, the above multi-thread sheave of described roller stand has three, in the perimembranous of each described multi-thread sheave, all offer multiple wire casings spaced apart vertically, described steel wire is drawn by a wire casing of multi-thread sheave described in first successively, then enter second described multi-thread sheave a wire casing, enter after a wire casing of the 3rd described multi-thread sheave, enter the next wire casing of multi-thread sheave described in first, so circulating and being stretched in the perimembranous of three described multi-thread sheaves forms many described cutting wires again.

further preferably, three described multi-thread sheaves become " product " font to distribute on described roller stand.

still more preferably, described roller stand comprises Connection Block, be fixedly mounted on the front shoe of described Connection Block front portion, be fixedly mounted on the rear fixed plate at described Connection Block rear portion, described front shoe, on described rear fixed plate, offer respectively three groups for the installing hole of three described multi-thread sheaves is installed, three described multi-thread sheaves be arranged on three groups along fore-and-aft direction respectively described in installing hole, on described Connection Block, offer opening up groove, the opening of described groove above between two described multi-thread sheaves, the bottom of described groove is fixedly provided with supersonic generator, on described rear fixed plate, offer the liquid outlet running through along fore-and-aft direction, described liquid outlet is connected with the vallecular cavity of described groove, the upper surface of described supersonic generator is vertically not less than the minimum point of described liquid outlet, the top that is positioned at described groove left and right sidewall on described Connection Block is respectively equipped with nozzle carrier, on each described nozzle carrier, be respectively equipped with multiple hydrojet nozzles, the mouth spray of the described nozzle of the left and right sides is oppositely arranged.

as a kind of specific embodiment, the cross section of described groove is roughly U font.

preferably, described retractable cable mechanism comprises multiplely can be arranged on the self sealss guide wheel on described support rotatably around Pivot Point Center line, each described self sealss guide wheel includes mandrel, be arranged on the wheel body on described mandrel front end, be located at the bearing between described mandrel and described wheel body, be fixedly installed on the protecgulum of described wheel body front portion, described guide wheel also comprises the seal closure of being located at regularly described wheel body rear portion, described seal closure has the through hole running through vertically, described mandrel is rotatably located in described through hole, the outside perimembranous of described mandrel is provided with the multiple annular projections that distribute along its axially spaced-apart, on the madial wall of described through hole, offer multiple multiple annular recess that distribute along its axially spaced-apart, or the outside perimembranous of described mandrel offers the multiple annular recess that distribute along its axially spaced-apart, the madial wall of described through hole is provided with the multiple annular projections that distribute along its axially spaced-apart, have at least a described annular projection to be embedded in described annular recess.

further preferably, described seal closure is at least two arc-shaped covers are along being circumferentially spliced.

further preferably, every two described arc-shaped cover phase stitching portions are provided with sealing rubber blanket.

due to the utilization of technique scheme, the utility model compared with prior art has following advantages: when cutting processing, contact wire between to be cut and steel wire used for cutting is shorter, this is more easy for the large diameter superhard super crisp material of cutting, when cutting, the energy consumption of cutting equipment reduces greatly, its power also can significantly reduce, and has guaranteed that the continuous and effective of cutting is carried out, and is applicable to the cutting processing of multiple large scale hard brittle material.

Accompanying drawing explanation

accompanying drawing 1 is the incision principle schematic diagram of conventional method in prior art;

accompanying drawing 2 is the principle schematic of swing type cutting method in prior art;

the overall structure schematic diagram that accompanying drawing 3 is cutting equipment of the present utility model;

accompanying drawing 4 is the schematic diagram of cutting part in cutting equipment of the present utility model;

accompanying drawing 5 is the scheme of installation of to be cut in cutting equipment of the present utility model;

accompanying drawing 6 is the incision principle schematic diagram of cutting part in cutting equipment of the present utility model;

accompanying drawing 7 is the structural representation of cutting equipment middle roller seat of the present utility model;

the sectional structure schematic diagram that accompanying drawing 8 is cutting equipment of the present utility model;

accompanying drawing 9 is the overall structure schematic diagram of self sealss guide wheel in retractable cable mechanism in cutting equipment of the present utility model;

accompanying drawing 10 is that the master of self sealss guide wheel in accompanying drawing 9 looks cross-sectional schematic;

accompanying drawing 11 is the structural representation of seal closure on self sealss guide wheel in accompanying drawing 9.

wherein:

1, support;

2, lifting ram;

3, to be cut;

4, mount pad; 41, rotating shaft; 42, ball-type thimble; 43, spherical pad; 44, flitch; 45, magnechuck;

5, cutting mechanism; 51, roller stand; 511, front shoe; 512, rear fixed plate; 513, Connection Block; 514, nozzle carrier; 515, nozzle; 516, liquid outlet; 517, supersonic generator; 52,53,54 multi-thread sheaves; 55, steel wire;

6, self sealss guide wheel; 61, mandrel; 611, annular projection; 62, wheel body; 63, protecgulum; 64, seal closure; 641,642, arc-shaped cover; 643, annular recess; 65, bearing.

The specific embodiment

below in conjunction with accompanying drawing and preferred embodiment of the present utility model, the technical solution of the utility model is further elaborated.

below about in the definition of direction, be all according to this equipment of normal use be operation direction define, when forward direction operates this equipment, operator is positioned at the direction of equipment, that is the direction of visual lines of observer in Fig. 3, wherein sight line rear is front, after sight line front is, left and right directions when left and right directions that is observer observe Fig. 3.

cutting equipment shown in Figure 3, is mainly used in hard brittle material to carry out cutting processing.This cutting equipment comprises support 1, is vertically liftably arranged on lifting ram 2 on support 1, for driving the lift drive mechanism (not shown) of vertically lifting of lifting ram 2, can be arranged on rotatably around Pivot Point Center line the bottom of lifting ram 2 by rotary drive mechanism (not shown) for to be cut 3, in the present embodiment, what adopt for to be cut 3 is sapphire bar.On support 1, be also provided with cutting mechanism 5, this cutting mechanism 5 comprises the roller stand 51 of being located at lifting ram 2 belows, can be arranged on rotatably three multi-thread sheaves 52 on roller stand 51 around Pivot Point Center line, 53, 54, winding is at three multi-thread sheaves 52 according to the order of sequence, 53, on 54, form the steel wire 55 for cutting of many cutting wires, folding and unfolding is carried out by the retractable cable mechanism (not indicating in figure) on support 1 in the two ends of steel wire 55, many cutting wires axially distributing separately along multi-thread sheave, on support 1, be also provided with the cutting driving mechanism for driving one of them multi-thread sheave rotation, in the time that cutting driving mechanism drives multi-thread sheave rotation, steel wire 55 moves, retractable cable mechanism is to steel wire 55 two ends retractable cables, many the cutting wires that steel wire 55 forms move back and forth and are touching to be cut 3 o'clock along to be cut 3 radially it cut.

shown in Fig. 4, Fig. 5, to be cut 3 is to be arranged in the following manner on lifting ram 2: the bottom of lifting ram 2 is fixedly provided with the mount pad 4 for installing to be cut 3, one end face of to be cut 3 is bonded with flitch 44 regularly, is bonded with regularly spherical pad 43 on its other end.The bottom of mount pad 4 is provided with rotatable rotating shaft 41, rotary drive mechanism is for driving the rotation of rotating shaft 41, the bottom of mount pad 4 is also provided with ball-type thimble 42, ball-type thimble 42 can be arranged on mount pad 4 vertically movably, ball-type thimble 42 distributes along same rectilinear direction with the axial line of rotating shaft 41, rotating shaft 41 is fixed with a magnechuck 45 on the end of ball-type thimble 42, when this magnechuck 45 is switched on, flitch 44 can be pull-in on magnechuck 45 regularly, and the thimble portion of ball-type thimble 42 conflicts vertically on spherical pad 43.Install to be cut 3 o'clock, first flitch 44 and spherical pad 43 are bonded on the end face at its two ends, then make magnechuck 45 energisings make magnechuck 45 and flitch 44 adhesives, and then the position of adjustment ball-type thimble 42, its thimble portion is conflicted on spherical pad 43, so just, treat cutting member 3 and locate, when rotating shaft 41 rotates, to be cut 3 rotates thereupon.Above-mentioned employing ball-type thimble 42 fixes to be cut 3, in fixing process, can, according to the factor such as self size and precision and cutting angle of to be cut 3, its radial angle self adaptation be adjusted, and without manually adjusting, install more convenient again.In above-mentioned installation, magnechuck 45 is also replaceable fixes one end of flitch 44 for for clamping the fixture of flitch 44 by fixture, but adopts the fixed form of magnechuck 45 more convenient.

shown in Figure 4, on cutting mechanism 5, steel wire 55 is to be arranged in the following way on three multi-thread sheaves, three multi-thread sheaves are down " product " font and arrange, in the perimembranous of each multi-thread sheave, all offer multiple wire casings that distribute along self axially spaced-apart, a wire casing of the first multi-thread sheave 54 by below of steel wire 55 tangentially enters a wire casing of multi-thread sheave 52 successively after drawing, enter a wire casing of multi-thread sheave 53, and then tangentially enter the next wire casing of multi-thread sheave 54, so circulation and tensioning ground winding forms many cutting wires in the perimembranous of three multi-thread sheaves, these many cutting wires distribute along the axially spaced-apart of multi-thread sheave, the multiple cutting positions on corresponding to be cut 3 are distinguished in the position of these many cutting wires.The two ends of steel wire 55, by the folding and unfolding of retractable cable mechanism, make cutting wire move back and forth the cutting driving mechanism (not shown) of cutting thereby be also provided with on support 1 for driving multi-thread sheave 54 to rotate.Drive multi-thread sheave 6 to rotate by cutting driving mechanism, many cutting wires move back and forth thereupon, vertically fall while touching cutting wire rotatably to be cut 3 when lifting ram 2, and cutting wire cuts along the cutting member 3 of radially treating of to be cut 3.

shown in Fig. 7, Fig. 8, roller stand 51 comprises Connection Block 513, be fixedly mounted on the front shoe 511 of Connection Block 513 front portions, be fixedly mounted on the rear fixed plate 512 at Connection Block 513 rear portions, on front shoe 511 and rear fixed plate 512, offer three groups of installing holes, three multi-thread sheaves are arranged on roller stand 51 by these three groups of installing holes respectively, the axial line of three multi-thread sheaves all distributes along fore-and-aft direction, on Connection Block 513, offer opening up groove, the cross section of this groove be roughly U font and this groove above two groups of installing holes between.The bottom of this groove is fixedly provided with supersonic generator 517, on rear fixed plate 512, also offer the liquid outlet 516 running through along fore-and-aft direction, this liquid outlet 516 is connected with the vallecular cavity of above-mentioned groove, the upper surface of supersonic generator 7 can be made as by the inclined-plane having a down dip gradually after forward direction, and the rear portion on this inclined-plane is vertically not less than the minimum point of liquid outlet 516, so just can guarantee that the liquid in groove all can discharge by liquid outlet 516.

the top that is positioned at above-mentioned groove left and right sidewall on Connection Block 513 is respectively equipped with nozzle carrier 514, is respectively equipped with multiple nozzles 515 for hydrojet on nozzle carrier 514, and the mouth spray on the nozzle 515 of the left and right sides is oppositely arranged.The external water inlet pipe of nozzle carrier 514, cleaning fluid is entered in each nozzle 515 and is carried out jet douche by nozzle carrier 514.Thereby liquid outlet 516 picks out water pipe and after cleaning completes, the waste water after cleaning in groove is discharged.Said nozzle 51 vertically should be higher than winding two multi-thread sheaves 52 up, steel wire 55 between 53, like this, after steel wire 55 windings form many cutting wires and treat cutting member 3 and cut on multi-thread sheave, multi-thread sheave rotates at a slow speed, cutting wire slow running, to be cut 3 with the slow lifting of lifting ram 2, simultaneously, the cleaning fluid that nozzle 515 sprays is sprayed onto on to be cut 3 slice surface is impacted to cleaning, when cutting wire operation, can strike off the spot on slice surface, supersonic generator 517 makes the cleaning fluid of productive set in groove produce vibration, thereby make its surface clean to section even more ideal, sewage after cleaning is discharged through liquid outlet 516.Like this, the large-area stain of slice surface is washed off, slightly leaves over, also only need simple cleaning after wafer dismounting.So not only improve cleaning efficiency, also guaranteed the yield rate of cutting processing.

shown in Fig. 9, Figure 10, retractable cable mechanism comprises multiplely can be arranged on the self sealss guide wheel 6 on support 1 rotatably around Pivot Point Center line, this self sealss guide wheel 6 comprises mandrel 61, is arranged on the wheel body 62 of mandrel 61 front ends, is located at the bearing 65 between mandrel 61 and wheel body 62, can rotate around the axial line of mandrel 61 by bearing 65 wheel bodys 62.The front portion of wheel body 62 is fixedly provided with protecgulum 63, the rear portion of wheel body 62 is fixedly provided with seal closure 64, seal closure 64 has the through hole running through vertically, mandrel 61 is rotatably located in above-mentioned through hole, the outside perimembranous of mandrel 61 is provided with the multiple annular projections 611 that distribute along its axially spaced-apart, on the through hole madial wall of seal closure 64, offer the multiple annular recess 643 that distribute along its axially spaced-apart, mandrel 61 is located in through hole and has at least an annular projection 611 to be embedded in annular recess 643, like this, between seal closure 64 and mandrel 61, form and be tightly connected, seal closure 64 can rotate around mandrel 61 together with wheel body 62 entirety simultaneously, seal closure 64 seals bearing 65 jointly with protecgulum 63.In the process of guide wheel work, without being aided with air-flow, reduced air-flow supply again, saved the energy, when work, noise is also less.Certainly, in the structure of above-mentioned self sealss guide wheel 6, also can in the perimembranous of the outside of mandrel 61, offer the multiple annular recess that distribute along its axially spaced-apart, on the through hole madial wall of seal closure 64, offer the multiple annular projections that distribute along its axially spaced-apart, the cooperation of this annular recess and this annular projection is same can reach the effect that mandrel 61 and seal closure 64 are rotatably tightly connected.In the present embodiment, in order to facilitate the installation of seal closure 64 and mandrel 61, seal closure 64 is spliced by the arc-shaped cover 641,642 of two semicirculars in shape, is also provided with sealing rubber blanket (not shown) two arc-shaped cover stitching portions, thereby guarantees the sealing of seal closure 64 entirety.

below specifically set forth the specific works process of the present embodiment:

referring to Fig. 3, Fig. 4, shown in Fig. 6, this cutting equipment is in the time treating cutting member 3 and cut, under the effect of rotary drive mechanism, rotate for to be cut 3, under the effect of lift drive mechanism, vertically decline simultaneously, under the effect of cutting driving mechanism, steel wire 55 moves back and forth, many cutting wires of steel wire 55 contact the bottom of to be cut 3 gradually, very short with the contact wire of cutting wire to be cut 3, cutting force is little, this is more easy for the large diameter superhard super crisp material of cutting, when cutting, the energy consumption of cutting equipment reduces greatly, its power also can significantly reduce, the continuous and effective that has guaranteed cutting is carried out, be applicable to the cutting processing of multiple large scale hard brittle material, experimental results show that 6～8 inches of large specification sapphires that can cannot cut existing equipment carry out slice processing, even can cut the wafer of the oversize (as 8～12 inches) that existing equipment cannot cut.In cutting processing process, because steel wire 55 is short with the contact wire of to be cut 3, cutting force is less, the elongation of steel wire 55 is also less, and this has improved the service life of steel wire 55 to a certain extent.Meanwhile, the surface quality of section improves significantly, and angularity greatly reduces, and has improved the quality of product, has reduced the difficulty of the later process such as follow-up grinding, polishing, even can cancel these later process.After cutting processing completes, thereby the multiple nozzles 515 on roller stand 51 can directly impact cleaning to slice surface ejection cleaning fluid to its slice surface on to be cut 3, have improved the cleaning efficiency of section.

above-described embodiment is only explanation technical conceive of the present utility model and feature, and its object is to allow person skilled in the art can understand content of the present utility model and implement according to this, can not limit protection domain of the present utility model with this.All equivalences of doing according to the utility model Spirit Essence change or modify, within all should being encompassed in protection domain of the present utility model.

Claims (10)

1. a hard brittle material cutting equipment, it is characterized in that: described cutting equipment comprises support (1), vertically be arranged on up and down the lifting ram (2) on described support (1), be used for driving the lift drive mechanism of vertically lifting of described lifting ram (2), to be cut (3) can be arranged on rotatably around Pivot Point Center line the bottom of described lifting ram (2), described lifting ram (2) is provided with the rotary drive mechanism for driving described to be cut (3) rotation, on described support (1), be also provided with cutting mechanism (5), described cutting mechanism comprises the roller stand (51) of being located at described lifting ram (2) below, can be arranged on rotatably the multiple multi-thread sheave (52 on described roller stand (51) around Pivot Point Center line, 53, 54), winding is at multiple described multi-thread sheaves (52 according to the order of sequence, 53, 54) the upper steel wire for cutting (55) that forms many cutting wires, the two ends of described steel wire (55) are by the retractable cable mechanism folding and unfolding being arranged on described support (1), many described cutting wires are along described multi-thread sheave (52, 53, 54) axially distribute separately, described support (1) thus on be also provided with for driving described in one of them multi-thread sheave to rotarily drive many described cutting wires and move back and forth the cutting driving mechanism radially described to be cut (3) being cut along described to be cut (3).

2. a kind of hard brittle material cutting equipment according to claim 1, it is characterized in that: the bottom of described lifting ram (2) is fixedly provided with the mount pad (4) for described to be cut (3) are installed, one end face of described to be cut (3) is bonded with flitch (44) regularly, its other end is bonded with spherical pad (43) regularly, the bottom of described mount pad (4) is provided with rotatable rotating shaft (41), axially displaceable ball-type thimble (42), the axial line of the axial line of described rotating shaft (41) and described ball-type thimble (42) distributes along same rectilinear direction, described rotating shaft (41) is fixed with sucker (45) on the end of described ball-type thimble (42), described flitch (44) is pull-in on described sucker (45) regularly, the thimble portion of described ball-type thimble (42) conflicts vertically on described spherical pad (43).

3. a kind of hard brittle material cutting equipment according to claim 1, it is characterized in that: the bottom of described lifting ram (2) is fixedly provided with the mount pad (4) for described to be cut (3) are installed, one end face of described to be cut (3) is bonded with flitch (44) regularly, its other end is bonded with spherical pad (43) regularly, the bottom of described mount pad (4) is provided with rotatable rotating shaft (41), axially displaceable ball-type thimble (42), the axial line of the axial line of described rotating shaft (41) and described ball-type thimble (42) distributes along same rectilinear direction, described rotating shaft (41) is fixedly provided with the fixture for clamping described flitch (44) on the end of described ball-type thimble (42), described flitch (44) is clamped on described fixture, the thimble portion of described ball-type thimble (42) conflicts vertically on described spherical pad (43).

4. a kind of hard brittle material cutting equipment according to claim 1, it is characterized in that: the above multi-thread sheave of described roller stand (51) has three, in the perimembranous of each described multi-thread sheave, all offer multiple wire casings spaced apart vertically, described steel wire (55) is drawn by a wire casing of multi-thread sheave (54) described in first successively, then enter a wire casing of second described multi-thread sheave (52), enter after a wire casing of the 3rd described multi-thread sheave (53), enter again the next wire casing of multi-thread sheave (54) described in first, so circulation and be stretched in the perimembranous of three described multi-thread sheaves and form many described cutting wires.

5. a kind of hard brittle material cutting equipment according to claim 4, is characterized in that: three described multi-thread sheaves (52,53,54) become down " product " font to distribute on described roller stand (51).

6. a kind of hard brittle material cutting equipment according to claim 5, it is characterized in that: described roller stand (51) comprises Connection Block (513), be fixedly mounted on the anterior front shoe (511) of described Connection Block (513), be fixedly mounted on the rear fixed plate (512) at described Connection Block (513) rear portion, described front shoe (511), on described rear fixed plate (512), offer respectively three groups for three described multi-thread sheaves (52 are installed, 53, 54) installing hole, three described multi-thread sheaves (52, 53, 54) be arranged on three groups along fore-and-aft direction respectively described in installing hole, described Connection Block offers opening up groove on (513), the opening of described groove above between two described multi-thread sheaves, the bottom of described groove is fixedly provided with supersonic generator (517), on described rear fixed plate (512), offer the liquid outlet (516) running through along fore-and-aft direction, described liquid outlet (516) is connected with the vallecular cavity of described groove, the upper surface of described supersonic generator (517) is vertically not less than the minimum point of described liquid outlet, the top that is positioned at described groove left and right sidewall on described Connection Block (513) is respectively equipped with nozzle carrier (514), on each described nozzle carrier (514), be respectively equipped with multiple nozzles (515) for hydrojet, the mouth spray of the described nozzle (515) of the left and right sides is oppositely arranged.

7. a kind of hard brittle material cutting equipment according to claim 6, is characterized in that: the cross section of described groove is roughly U font.

8. a kind of hard brittle material cutting equipment according to claim 1, it is characterized in that: described retractable cable mechanism comprises multiplely can be arranged on the self sealss guide wheel (6) on described support (1) rotatably around Pivot Point Center line, each described self sealss guide wheel (6) includes mandrel (61), be arranged on the wheel body (62) on described mandrel (61) front end, be located at the bearing (65) between described mandrel (61) and described wheel body (62), be fixedly installed on the anterior protecgulum (63) of described wheel body (62), described self sealss guide wheel (6) also comprises the seal closure (64) of being located at regularly described wheel body (62) rear portion, described seal closure (64) has the through hole running through vertically, described mandrel (61) is rotatably located in described through hole, the outside perimembranous of described mandrel (61) is provided with the multiple annular projections (611) that distribute along its axially spaced-apart, on the madial wall of described through hole, offer multiple multiple annular recess (643) that distribute along its axially spaced-apart, or the outside perimembranous of described mandrel (61) offers the multiple annular recess that distribute along its axially spaced-apart, the madial wall of described through hole is provided with the multiple annular projections that distribute along its axially spaced-apart, have at least a described annular projection (611) to be embedded in described annular recess (643).

9. a kind of hard brittle material cutting equipment according to claim 8, is characterized in that: described seal closure (64) is at least two arc-shaped covers (641,642) are along being circumferentially spliced.

10. a kind of hard brittle material cutting equipment according to claim 9, is characterized in that: every two described arc-shaped covers (641,642) phase stitching portion is provided with sealing rubber blanket.

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