CN115229643A - Wire cutting machine - Google Patents
Wire cutting machine Download PDFInfo
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- CN115229643A CN115229643A CN202210761349.1A CN202210761349A CN115229643A CN 115229643 A CN115229643 A CN 115229643A CN 202210761349 A CN202210761349 A CN 202210761349A CN 115229643 A CN115229643 A CN 115229643A
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- 238000005520 cutting process Methods 0.000 title claims abstract description 327
- 230000007246 mechanism Effects 0.000 claims abstract description 50
- 239000000463 material Substances 0.000 claims description 71
- 230000033001 locomotion Effects 0.000 claims description 11
- 238000009434 installation Methods 0.000 claims description 10
- 230000005484 gravity Effects 0.000 abstract description 34
- 230000000694 effects Effects 0.000 abstract description 16
- 239000007788 liquid Substances 0.000 abstract description 9
- 230000009471 action Effects 0.000 abstract description 6
- 238000001816 cooling Methods 0.000 abstract description 5
- 238000012423 maintenance Methods 0.000 abstract description 5
- 230000009286 beneficial effect Effects 0.000 abstract description 4
- 238000005461 lubrication Methods 0.000 abstract description 3
- 229910003460 diamond Inorganic materials 0.000 description 21
- 239000010432 diamond Substances 0.000 description 21
- 238000010586 diagram Methods 0.000 description 19
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 17
- 229910052710 silicon Inorganic materials 0.000 description 17
- 239000010703 silicon Substances 0.000 description 17
- 238000004458 analytical method Methods 0.000 description 10
- 230000005540 biological transmission Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 238000012986 modification Methods 0.000 description 5
- 230000004048 modification Effects 0.000 description 5
- 239000007921 spray Substances 0.000 description 5
- 239000002173 cutting fluid Substances 0.000 description 4
- 230000001105 regulatory effect Effects 0.000 description 4
- 239000002210 silicon-based material Substances 0.000 description 4
- 101100008049 Caenorhabditis elegans cut-5 gene Proteins 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- 238000007599 discharging Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000001174 ascending effect Effects 0.000 description 2
- 230000001050 lubricating effect Effects 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 238000009763 wire-cut EDM Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910021421 monocrystalline silicon Inorganic materials 0.000 description 1
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- 125000006850 spacer group Chemical group 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B27/00—Other grinding machines or devices
- B24B27/06—Grinders for cutting-off
- B24B27/0633—Grinders for cutting-off using a cutting wire
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B27/00—Other grinding machines or devices
- B24B27/06—Grinders for cutting-off
- B24B27/0683—Accessories therefor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/02—Frames; Beds; Carriages
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B55/00—Safety devices for grinding or polishing machines; Accessories fitted to grinding or polishing machines for keeping tools or parts of the machine in good working condition
- B24B55/02—Equipment for cooling the grinding surfaces, e.g. devices for feeding coolant
Abstract
The embodiment of the application provides a wire cutting machine, includes: cutting the panel; the first cutting wheel and the second cutting wheel are respectively and rotatably connected to the cutting panel to form a cutting area; and the cutting line is wound on the circumferential outer walls of the first cutting wheel and the second cutting wheel, and a first preset inclined angle is formed between the cutting line in the cutting area and the vertical surface. The cutting panel is respectively provided with a first cutting wheel, a second cutting wheel and a cutting line, wherein a first preset inclination angle is arranged between the cutting line arranged in the cutting area and a vertical plane or a horizontal plane, so that cutting scraps generated by cutting can be automatically discharged under the action of gravity, and the maintenance of equipment is facilitated. The deformation of the whole machine in the vertical direction is less influenced by gravity, which is beneficial to improving the stability of the mechanism and can make the wire bow more uniform. The liquid carrying capacity is stronger, the lubrication and cooling effects of the cutting line in the cutting area are better, and better processing surface quality can be obtained.
Description
Technical Field
The application relates to the technical field of wire cutting, in particular to a wire cutting machine.
Background
The diamond wire cutting technology is an advanced cutting processing technology in the world at present, and the principle of the cutting technology is that a workpiece to be processed is rubbed by a diamond wire moving at a high speed, so that the cutting purpose is achieved. The diamond wire is guided by the guide wheel, a wire net is formed between the two wire rollers, after the silicon rod is fixed, the silicon rod can be fed by the ascending and descending of the wire net, and the cutting force is generated by the reciprocating motion of the diamond wire, so that the silicon rod cutting process is completed.
The existing loop wire cutting scheme is shown in figure 1, and the loop wire cutting machine mainly comprises a 01-cutting wheel, a 02-cutting wheel, a 03-tension wheel, a 04-driving guide wheel, a 05-annular diamond wire, a 06-single crystal silicon rod and the like. The cutting wheel 01, the cutting wheel 02, the driving guide wheel and the tension wheel are arranged on the loop wire cutting machine in four points. The cutting wheel 01 and the cutting wheel 02 are horizontally or vertically arranged, so that the direction of a diamond wire of a circular line between the cutting wheel 01 and the cutting wheel 02 is horizontal or vertical, the cutting wheel 01 or the cutting wheel 02 is connected with a motor, the circular cutting wheel is driven to rotate through the rotation motion of the motor, the cutting wheel connected with the motor drags the diamond wire to move at a high speed to cut the silicon single crystal rod, and the cutting wheel 01 and the cutting wheel 02 are both connected with the motor; the driving guide wheel is positioned on one side of the cutting wheel and mainly plays a role in guiding; the tension wheel is positioned on one side of the cutting wheel 01 or the cutting wheel 02 and provides tension for the annular diamond wire. The cutting direction of the annular diamond wire to the silicon rod is horizontal or vertical. The annular diamond wire adopting the arrangement mode has poor liquid carrying capacity and poor cutting chip discharging effect.
Disclosure of Invention
The embodiment of the application provides a wire cutting machine, which aims to solve the problems that the cutting direction of the existing annular diamond wire to a silicon rod is horizontal or vertical, the cutting resultant force is large, the liquid carrying capacity is poor, and the cutting chip discharging effect is poor.
In order to achieve the above purpose, the present application provides the following technical solutions:
a wire cutting machine comprising:
cutting the panel;
the first cutting wheel and the second cutting wheel are respectively connected to the cutting panel in a rotating manner;
the cutting line is wound on the circumferential outer walls of the first cutting wheel and the second cutting wheel, and a cutting area is formed between the first cutting wheel and the second cutting wheel; and a first preset inclination angle is formed between the cutting line and the vertical surface in the cutting area.
Optionally, the perpendicular to the cutting line in the cutting zone is disposed obliquely upward.
Optionally, the method further comprises:
a sliding table base;
and the material clamping device is positioned on the sliding table base and used for clamping the material to be cut.
Optionally, the material holding device comprises:
the first inclined sliding table is provided with a first inclined mounting surface, and a second preset inclined angle is formed between the first inclined mounting surface and the horizontal plane so that the second preset inclined angle is formed between the material feeding direction and the horizontal plane;
the material clamping mechanism is used for clamping a material to be cut; the material clamping mechanism is connected to the first inclined mounting surface in a sliding mode so as to drive the material to be cut to move towards the direction close to or far away from the cutting line.
Optionally, the material holding mechanism comprises:
a carriage;
the clamping plates are oppositely arranged and are used for clamping the material to be cut; the clamping plates are respectively positioned at two ends of the carriage in the length direction;
one end of the clamping plate distance adjusting piece is fixed on the carriage, and the other end of the clamping plate distance adjusting piece can be connected with the clamping plate; for adjusting the distance between the clamping plates.
Optionally, the splint distance adjusting member includes:
the adjusting bolt fixing plate is fixed on the end wall of the carriage in the length direction;
one end of the adjusting bolt is fixed on the adjusting bolt fixing plate, and the other end of the adjusting bolt penetrates through the adjusting bolt fixing plate to be capable of abutting against the side wall of the clamping plate; the adjusting bolt can push the clamping plates to move oppositely.
Optionally, the material clamping device further comprises a first sliding driving assembly, one end of the first sliding driving assembly is fixed on the first inclined sliding table, and the other end of the first sliding driving assembly is connected with the carriage so as to drive the carriage to move towards the direction close to or away from the cutting line.
Optionally, the first glide drive assembly comprises:
the first sliding power part is positioned on the first inclined sliding table;
the first sliding driving piece is respectively connected with the first sliding power piece and the carriage; the first sliding power piece drives the first sliding driving piece to move so as to drive the carriage to slide;
and/or the first sliding guide part is respectively connected with the carriage and the first inclined sliding table and guides the movement of the carriage towards the direction close to or away from the cutting line.
Optionally, the first preset inclination angle and the second preset inclination angle are equal.
Optionally, the method further comprises:
and one end of the second sliding driving assembly is fixed on the sliding table base, the other end of the second sliding driving assembly is fixedly connected with the first inclined sliding table, and the second sliding driving assembly drives the first inclined sliding table to move along the direction perpendicular to the cutting surface plate.
Optionally, the second glide drive assembly comprises:
the second sliding power piece is positioned on the sliding table base;
the second sliding driving piece is respectively connected with the second sliding power piece and the first inclined sliding table; the second sliding power part drives the second sliding driving part to move so as to drive the first inclined sliding table to slide;
and/or the second sliding guide part is connected with the sliding table base and the first inclined sliding table respectively, and guides the movement of the first inclined sliding table.
Optionally, the method further comprises:
the second oblique sliding table is provided with a second oblique installation surface, the bottom wall of the cutting panel is located on the second oblique installation surface, and a second preset oblique angle is arranged between the second oblique installation surface and the horizontal plane.
Optionally, the method further comprises:
and one end of the third sliding driving assembly is fixed on the second inclined sliding table, and the other end of the third sliding driving assembly is connected with the bottom wall of the cutting panel so as to drive the cutting panel line to be close to or far away from the sliding table base to move in the direction.
Optionally, the method further comprises:
the tension wheel is rotationally connected to the cutting panel and is positioned on one side far away from the cutting line;
and/or a driving guide wheel which is rotationally connected to the cutting panel and is used for guiding the cutting line.
Optionally, the first cutting wheel, the second cutting wheel, the tension wheel and the driving guide wheel form four vertices of a quadrilateral, and the cutting lines are respectively wound around the circumferential outer walls of the first cutting wheel, the second cutting wheel, the tension wheel and the driving guide wheel to form an annular line.
Optionally, the first preset inclination angle is 30 ° to 60 °.
Adopt a wire cut electrical discharge machining that provides in this application embodiment sets up first cutting wheel, second cutting wheel and line of cut respectively on the cutting panel, wherein, is equipped with first predetermined angle of inclination around the line of cut of locating in the cutting zone with vertical face, from this sets up, compares in prior art, has following technological effect:
firstly, the deformation of the whole inclined bed body of the oblique line net in the vertical direction is less influenced by gravity, so that the influence of the gravity of the structure on cutting is reduced, the rigidity of the mechanism is improved, the stability of the mechanism is improved, and the line bow is more uniform;
secondly, the direction of a lead screw of a horizontal lathe bed in the prior art is horizontally arranged, the direction of the lead screw playing a feeding role in the inclined-line net cutting machine with the inclined lathe bed is obliquely arranged, and gravity component acts on the axial direction of the lead screw, so that the reverse clearance during transmission can be greatly reduced;
thirdly, cuttings can be automatically discharged under the action of gravity component force of the inclined wire net, and maintenance of equipment is facilitated;
fourthly, compared with a flat wire mesh structure, the oblique wire mesh has stronger liquid carrying capacity, the cutting wire can obtain better lubricating and cooling effects in a cutting area, and better processing surface quality can be obtained;
fifthly, in the oblique line net inclined lathe bed structure, the lead screw guide rail is obliquely arranged, so that the guide rail stroke can be longer under the condition of the same floor area, and the size of the silicon rod capable of being processed is larger.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:
FIG. 1 is a schematic diagram of a prior art loop wire cutting machine;
fig. 2 is a schematic structural diagram of a wire cutting machine according to an embodiment of the present application;
fig. 3 is a schematic structural diagram of a material holding device according to an embodiment of the present application;
fig. 4 is a schematic structural diagram of a material clamping mechanism provided in an embodiment of the present application;
FIG. 5 is a schematic view of a splint according to an embodiment of the present application;
FIG. 6 is a schematic structural diagram of a spacer provided in an embodiment of the present application;
FIG. 7 is a schematic structural diagram of a cutting line provided in an embodiment of the present application;
fig. 8 is a schematic structural view of a wire cutting machine according to another embodiment of the present application;
FIG. 9 is a schematic view of a stress analysis corresponding to the wire cutting machine shown in FIG. 2; wherein, fig. 9 (a) is a schematic diagram of stress analysis of a workpiece; fig. 9 (b) is a force analysis diagram of the cutting mechanism.
FIG. 10 is a schematic view of a stress analysis corresponding to the wire cutting machine shown in FIG. 8; fig. 10 (a) is a schematic view of analyzing a stress of the cutting mechanism, and fig. 10 (b) is a schematic view of analyzing a stress of the workpiece.
The drawings are numbered as follows:
the cutting device comprises a first cutting wheel 1, a second cutting wheel 2, a tension wheel 3, a driving guide wheel 4, a cutting line 5, a spraying device 6, a cutting panel 7, a material to be cut 8, a material clamping mechanism 9, a first inclined sliding table 10, a first sliding power part 11, a sliding table base 12, a second sliding rail 13, a second sliding block 14, a first sliding rail 15, a first sliding block 16, a second sliding driving part 17, a second inclined sliding table 18 and a third sliding driving component 19;
a cushion block 901, a bearing cushion block 902, a clamping plate 903, an adjusting bolt fixing plate 904, an adjusting bolt 905, a fastening bolt 906 and a carriage 907;
a countersunk head threaded hole 9011;
a threaded hole 9031, a support frame 9032 and a strip-shaped groove 9033.
Detailed Description
The embodiment of the invention discloses a wire cutting machine, which aims to solve the problems that the existing annular diamond wire is horizontal or vertical in the cutting direction of a silicon rod, the cutting resultant force is large, the liquid carrying capacity is poor, and the cutting chip discharging effect is poor.
In order to make the technical solutions and advantages of the embodiments of the present application more apparent, the following further detailed description of the exemplary embodiments of the present application with reference to the accompanying drawings makes it clear that the described embodiments are only a part of the embodiments of the present application, and are not exhaustive of all embodiments. It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.
First embodiment
Referring to fig. 2-7, fig. 2 is a schematic structural diagram of a wire cutting machine according to an embodiment of the present disclosure; fig. 3 is a schematic structural diagram of a material holding device according to an embodiment of the present application; fig. 4 is a schematic structural diagram of a material clamping mechanism provided in an embodiment of the present application; FIG. 5 is a schematic structural diagram of a splint according to an embodiment of the present disclosure;
fig. 6 is a schematic structural diagram of a cushion block provided in an embodiment of the present application; fig. 7 is a schematic structural diagram of a cutting line provided in an embodiment of the present application.
In a particular embodiment, the present application provides a wire cutting machine comprising a cutting panel 7, a first cutting wheel 1, a second cutting wheel 2 and a cutting wire 5. The first cutting wheel 1 and the second cutting wheel 2 are respectively connected on the cutting panel 7 in a rotating way to form a cutting area. The first cutting wheel 1 and the second cutting wheel 2 can be connected with a motor respectively or both to provide power for cutting. The first cutting wheel 1 and the second cutting wheel 2 are preferably arranged in the same structure, winding grooves are formed in the circumferential outer walls of the first cutting wheel 1 and the second cutting wheel 2, the cutting line 5 winds the circumferential outer walls of the first cutting wheel 1 and the second cutting wheel 2, and a first preset inclined angle is formed between the cutting line 5 in the cutting area and a vertical surface. Therefore, the cutting line 5 in the cutting area inclines at a certain angle, the cutting wheel is driven to rotate through the rotary motion of the motor, and the cutting wheel connected with the motor drags the cutting line 5 to move at a high speed to cut the silicon rod. Compared with the vertical arrangement of the cutting line 5 in the prior art, the arrangement mode has the advantages that the cuttings can be automatically discharged under the action of gravity force component of the inclined wire net, the chip removal effect is better, and the maintenance of equipment is facilitated; compared with the horizontal arrangement of the cutting line 5 in the prior art, the cutting line 5 has stronger liquid carrying capacity, and the cutting line 5 can obtain better lubricating and cooling effects. Preferably, the first preset inclination angle is 30 ° to 60 °.
Wherein, above-mentioned wire cut electrical discharge machining still includes spray set 6, and spray set 6 preferably sets up respectively in the below of first cutting wheel 1, and the top of second cutting wheel 2, and it can be understood that spray set 6 is fixed on cutting panel 7, and the slope setting of line of cut 5 for the cutting fluid that spray set 6 sprayed can better move along line of cut 5, makes line of cut 5 can obtain lubricated and refrigerated effect better.
Specifically, a first preset inclination angle is arranged between the cutting line 5 in the cutting area and the vertical plane, and the vertical line of the cutting line 5 in the cutting area is arranged obliquely upwards. As shown in fig. 2, the first cutting wheel 1 is located above in the vertical direction, the second cutting wheel 2 is located below the first cutting wheel 1, the cutting line 5 is arranged obliquely upward relative to the vertical line on which the axis of the first cutting wheel 1 is located, and the material is fed in a direction to press the cutting line 5 toward the cutting wheel.
As shown in fig. 2, in this embodiment, the wire cutting machine further includes a slide base 12 and a material holding device. Wherein the slipway base 12 is generally arranged on a horizontal table top. The material clamping device is positioned on the sliding table base 12, and a sliding driving device can be arranged between the material clamping device and the sliding table base to adjust the space position of the material clamping device relative to the cutting line 5. The material clamping device is used for clamping a material 8 to be cut, so that a second preset inclination angle is formed between the material feeding direction and the horizontal plane, namely the material is fed at the second preset inclination angle relative to the horizontal plane, and specifically, a second preset inclination angle is formed between the material clamping device and the horizontal plane, such as 30-60 degrees. The second preset inclined angle can be set to be the same as the first preset inclined angle, so that the material feeding direction can be perpendicular to the oblique line net, and production and processing are facilitated. When the second preset inclined angle is adopted for feeding, the inclined wire net and the inclined bed body act together, and the resultant force of the cutting force and the feeding force can balance more gravity compared with the mode of only arranging the inclined wire net. In addition, under the condition of the same guide rail width, the carriage 907 of the oblique line net slant bed body is longer than that of the cross line net flat bed body, and the size of the bar materials which can be processed by the oblique line net complete machine can be larger under the same floor area.
Adopt the wire cutting machine that provides in this application embodiment, compare in prior art, have following technical effect:
a first cutting wheel 1, a second cutting wheel 2 and a cutting line 5 are respectively arranged on the cutting panel 7, wherein a first preset inclination angle is arranged between the cutting line 5 wound in the cutting area and a vertical surface, and as shown in fig. 2, a diamond wire moves from bottom to top from the second cutting wheel 2 to the first cutting wheel 1, that is, as shown in fig. 2, the diamond wire can be regarded as rotating counterclockwise in a preferred scheme; as shown in fig. 9, fig. 9 is a force analysis diagram of the wire cutting machine provided in fig. 2; wherein, (a) is a schematic diagram of stress analysis of a workpiece; and (b) is a stress analysis schematic diagram of the cutting mechanism. By the arrangement, the oblique line net structure can balance part of gravity of the workpiece mechanism by utilizing resultant force of acting force generated during cutting, namely, the material can be subjected to cutting force Fc ′ And a feed force Ff ′ The cutting wheel main shaft is inclined to the upper left and the upper right respectively, the resultant force of the two is opposite to the gravity G direction of the material, so that the gravity of a part of the material (mechanism) is balanced, the load of the material gravity on an equipment mechanism during cutting is reduced, the balanced load is beneficial to optimizing the vibration of the cutting equipment, the main shaft of the cutting wheel of the cutting equipment is enabled to run more stably, and the cutting precision is improved. Meanwhile, the reaction force generated by cutting acts on the wire mesh cutting mechanism to generate a cutting component force Fc which is obliquely downward on the right and a feeding component force Ff which is obliquely downward on the left, the component forces of the two action forces in the horizontal direction can counteract a part of the component forces due to the opposite directions, and the component force which is also in the vertical direction acts on the cutting mechanism and does not influence the cutting deformation in the vertical direction. Compared with the prior art, the cutting force of the traditional flat bed body of the transverse wire mesh forms 90 degrees with the gravity of a workpiece, and an included angle is formed between the resultant force direction of the cutting force and the feeding force and the gravity direction, so that vibration is easily caused, the stability of a cutting line and a main shaft of a cutting wheel is influenced, and the cutting precision is influenced. Meanwhile, the cutting scraps generated by cutting can be automatically discharged under the action of gravity, so that the maintenance of the equipment is facilitated. The deformation of the inclined wire net in the vertical direction is less influenced by gravity, so that the stability of the mechanism is improved, and the wire bow is more uniform. Compared with a flat wire mesh, the inclined wire mesh has stronger liquid carrying capacity, the cutting wire 5 has better lubrication and cooling effects in a cutting area, and better processing surface quality can be obtained.
In one embodiment, the material holding device comprises a first ramp 10 and a material holding mechanism 9. The first inclined sliding table 10 has a first inclined mounting surface, and a second preset inclined angle is arranged between the first inclined mounting surface and a horizontal plane. The arrangement of the first inclined sliding table 10 enables the deformation of the whole machine to be slightly influenced by gravity, and meanwhile, the resultant force of the acting force during cutting is utilized to balance part of the gravity of the machine body, so that the influence of the structural gravity on cutting is reduced, and the requirement on improving the rigidity of the mechanism is facilitated.
The material clamping mechanism 9 is used for clamping the material 8 to be cut, and is provided with a clamping jaw and other mechanisms. The material clamping mechanism 9 is connected to the first inclined mounting surface in a sliding manner and drives the material 8 to be cut to move towards the direction close to or away from the cutting line; such as one or both of a lead screw-nut mechanism or a slide-rail slider mechanism, may be employed, as provided in accordance with the state of the art.
As shown in fig. 4, specifically, the material holding mechanism 9 includes a carriage 907, a set of opposing clamping plates 903, and a clamping plate 903 distance adjusting element. The carriage 907 is located on the first inclined mounting surface, the clamping plates 903 are located at two ends of the carriage 907 in the length direction, the number of the clamping plates 903 is two, and the two clamping plates 903 move in the opposite direction or in the opposite direction to clamp or release the material 8 to be cut.
In order to facilitate the distance between the regulation splint 903, treat cutting material 8 with the different models of adaptation better, material fixture 9 includes splint 903 apart from the regulating part, splint 903 is fixed on the layer board apart from one end of regulating part, the other end can be connected with splint 903, a distance for adjusting between splint 903, splint 903 apart from the regulating part can set up on one or two splint 903, preferably splint 903 apart from the regulating part and splint 903 one-to-one setting, so that adjust the spatial position of splint 903, optimize the clamping effect. The distance adjusting element of the clamping plate 903 can be a screw-nut mechanism or the like, and is within the protection scope of the present application.
Further, the clamp plate 903 distance adjuster includes an adjusting bolt fixing plate 904 and an adjusting bolt 905. The distance adjusting parts of the clamp plate 903 are respectively fixed on end walls at two ends of the length direction of the carriage 907, the adjusting bolt fixing plate 904 protrudes out of the upper surface of the carriage 907, an adjusting bolt 905 is positioned on the adjusting bolt fixing plate 904 protruding out of the upper surface of the carriage 907, an adjusting bolt 905 is arranged along the length direction of the carriage 907, one end of the adjusting bolt 905 is fixed on the adjusting bolt fixing plate 904, and the other end of the adjusting bolt 905 penetrates through the adjusting bolt fixing plate 904 to abut against the side wall of the clamp plate 903; when the adjusting bolts 905 at the two ends of the planker 907 are adjusted as above, the clamping plates 903 move oppositely, the distance between the clamping plates 903 is reduced, and the material 8 to be cut is clamped; when the material 8 to be cut is released, the reverse operation is performed, which is not described in detail herein.
As shown in fig. 5, in one embodiment, the clamping plate 903 comprises an L-shaped plate and a support bracket 9032, and the support bracket 9032 is arranged between the two plates of the L-shaped plate for reinforcement. The bottom of the L-shaped plate is provided with a sliding groove, and the supporting plate is provided with a protrusion matched with the sliding groove so as to limit the sliding of the clamping plate 903. Meanwhile, in order to fix the clamping plate 903 after the distance adjusting part of the clamping plate 903 is adjusted, a strip-shaped groove 9033 is formed in the bottom wall of the L-shaped plate, the clamping plate 903 is installed on the carriage 907, and the clamping plate 903 is matched and fixed with the strip-shaped groove 9033 through a fastening bolt.
As shown in fig. 6, the clamping plate 903 further includes a cushion block 901, two cushion blocks 901 are respectively installed on the two L-shaped plates, a countersunk threaded hole 9011 is formed in the cushion block 901, meanwhile, a threaded hole 9031 is formed in each L-shaped plate, the L-shaped plates are connected with the countersunk threaded hole 9011 and the threaded hole 9031 in a matched manner through bolts, installation of the cushion block 901 is achieved, damage to the material 8 to be cut during clamping is prevented, and a bearing cushion block 902 is installed in the center of the carriage 907, so that damage to the material 8 to be cut during placement is prevented.
Specifically, the material clamping device further comprises a first sliding driving assembly, one end of the first sliding driving assembly is fixed on the first inclined sliding table 10, and the other end of the first sliding driving assembly is connected with the carriage 907 so as to drive the carriage 907 to move towards the direction close to or away from the cutting line 5. The first sliding driving assembly can be arranged as a ball screw, so that the movement of the carriage 907 can be accurately adjusted, and the precision is improved. Meanwhile, the arrangement of the first inclined sliding table 10 enables gravity to act on the axial direction of the ball screw, the reverse gap during transmission is 0, and the cutting precision is improved; the carriage 907 reverse screw rod of the transverse wire mesh flat bed cutting machine in the prior art is not influenced by axial gravity, and the gap cannot be directly eliminated, so that the cutting precision is low.
In one embodiment, the first slip drive assembly includes a first slip power member 11, a first slip drive member and/or a first slip guide member. The first sliding power part 11 is positioned on the first inclined sliding table 10; the first sliding driving piece is respectively connected with the first sliding power piece 11 and the carriage 907; the first sliding power part 11 drives the first sliding driving part to move so as to drive the carriage 907 to slide; and the first sliding guide part is respectively connected with the dragging plate 907 and the first inclined sliding table 10 and guides the dragging plate 907 to move towards the direction close to or away from the cutting line 5.
The first sliding power part 11 is a motor, the first sliding driving part is a ball screw, and the first sliding guide part is a slider-slide mechanism. The sliding rails and the ball screw are arranged on the first inclined mounting surface, the first sliding block 16 is arranged below the material clamping mechanism 9, and the material clamping mechanism 9 moves on the first inclined mounting surface through the matching of the first sliding rails 15 and the first sliding block 16.
Further, the first inclined slide table 10 has a first inclined mounting surface which is disposed perpendicularly to the cutting line 5 located in the cutting zone. It can be understood that, at this time, the angles of the first preset inclination angle and the second preset inclination angle are equal, so that during the cutting process, the vertical feeding between the cutting line 5 and the piece to be cut is ensured, and therefore, the arrangement is further made to balance the gravity by using the resultant force, and the gravity of the piece to be cut and the material balances off a part of the resultant force of the acting force during cutting, which is beneficial to reducing the influence of the structural gravity on cutting and improving the rigidity of the mechanism. Simultaneously, first slope installation face can be better with waiting to cut material 8 and cutting line 5 and correspond, improves the cutting effect.
In an embodiment, the wire cutting machine further comprises a second sliding driving assembly, one end of the second sliding driving assembly is fixed on the sliding table base 12, the other end of the second sliding driving assembly is fixedly connected with the first inclined sliding table 10, the second sliding driving assembly drives the first inclined sliding table 10 to move along a direction perpendicular to the cutting panel 7, namely, the second sliding driving assembly moves perpendicular to the direction of the cutting line 5, feeding can be performed timely after cutting, and cutting is continuously performed. The specific structure of the second sliding driving component can be set by referring to the first sliding driving component, and the specific structure is within the protection scope of the application.
The second sliding driving assembly comprises a second sliding power part, a second sliding driving part 17 and/or a second sliding guide part, and the second sliding power part is positioned on the sliding table base 12; the second sliding driving piece 17 is respectively connected with the second sliding power piece and the first inclined sliding table 10; the second sliding power part drives the second sliding driving part to move so as to drive the first inclined sliding table 10 to slide; the second slip guide is connected with slip table base 12 and first oblique slip table 10 respectively, leads the removal of first oblique slip table 10.
The second sliding power part is a motor, the second sliding driving part 17 is a ball screw, and the second sliding guide part is a slider-slide mechanism. Preferably, the first and second slip drive assemblies are identical in construction for ease of installation. Ball and slide rail are installed on slip table base 12, and the lower terminal surface of first oblique slip table 10 sets up for the level, and second slider 14 is fixed at the lower terminal surface of first oblique slip table 10, through the cooperation of second slider 14 with second slide rail 13, accomplishes the linear motion of slip table 10 on slip table base 12 at the material 8 axial direction of waiting to cut.
The specific working principle is as follows: the silicon rod is placed on the bearing cushion block 902, the position of the clamping plate 903 is adjusted by screwing the bolt, so that the silicon rod is clamped by the clamping plate 903, and then the position of the clamping plate 903 is fixed by screwing the fastening bolt 906; the position of the material clamping mechanism 9 is adjusted through the matching of the second sliding driving part 17, the second sliding rail 13 and the second sliding block 14, so that the silicon rod is controlled to move in the axial direction; the feeding of the silicon rod is controlled by the first sliding power part 11 and the cooperation of the first slide rail 15 and the first slide block 16. The cutting wheel on the cutting machine head rotates at a high speed to drive the annular diamond wire wound on the first cutting wheel 1 and the second cutting wheel 2 to rotate at a high speed, and the silicon rod fed by the annular diamond wire in the vertical cutting area is cut. In the cutting process, the material clamping mechanism 9 moves along the first inclined sliding table 10 to feed the silicon rod, the annular diamond wire runs at a high speed, the spraying pipe sprays the diamond wire and the silicon rod, the cutting area is cooled, and cutting fluid is provided. And completing bar cutting under the mutual cooperation of the mechanisms.
As shown in fig. 2, in the above embodiment, the first inclined sliding table 10 is located on the sliding table base 12, a second preset inclination angle is provided between the first inclined installation surface of the first inclined sliding table 10 and the horizontal plane, and a first preset inclination angle is provided between the cutting line 5 located in the cutting area and the vertical plane, it can be understood that the cutting line 5 is arranged in a top view, and the cutting line 5 is perpendicular to the material feeding direction.
Second embodiment
In another embodiment, as shown in fig. 8, the inclined sliding table may be disposed on one side of the cutting panel 7, that is, the second inclined sliding table 18 has a second inclined mounting surface, the bottom wall of the cutting panel 7 is located on the second inclined mounting surface, and a second preset inclined angle is provided between the second inclined mounting surface and the horizontal plane; a first preset inclination angle is arranged between the cutting line 5 in the cutting area and the vertical surface, in this embodiment, the cutting line 5 is arranged in a top view, and the cutting line 5 is arranged perpendicular to the feeding direction of the cutter. It will be appreciated that in the above embodiment, the second predetermined angle of inclination between the first inclined mounting surface and the horizontal plane is 30 °, and then, in the present embodiment, the second predetermined angle of inclination between the first inclined mounting surface and the horizontal plane is 150 °.
As shown in fig. 10, it is a schematic view of a stress analysis corresponding to the wire cutting machine provided in fig. 8; wherein, (c) is the analysis schematic diagram of the stress of the cutting mechanism, and (d) is the analysis schematic diagram of the stress of the workpiece; the feeding force generates a reaction force towards the upper right direction on the wire mesh cutting mechanism when the cutting mechanism cuts the silicon rod; fc (Fc) ′ Is the cutting force to which the material is subjected, ff ′ Is the feeding force to which the material is subjected, G is the gravity of the material, and Vc is the cutting line net speed direction. In the stress of the cutting mechanism, the horizontal component forces of the Fc and the Ff can mutually offset a part of the horizontal component forces, and the vertical resultant force and the gravity direction are opposite, so that a part of the gravity of the cutting mechanism can be balanced. It will be appreciated that in the wire cutting machine of fig. 8, and taking the orientation of the present figure as an example, it is considered that in the preferred embodiment, the diamond wire is preferably rotated clockwise to cut the material from top to bottom.
It has the following technical effects: the precision is high, and cutting panel 7 inclines to be placed on second oblique slip table 18, can influence the clearance of the ball (for presetting) of cutting panel 7 moving direction, compares in this application scheme that the silicon material fed and equally can make gravity act on ball's axial, and reverse clearance during the transmission is almost zero.
The safety is high, generally, mud-shaped objects formed by mixing cutting fluid and cutting chips are attached to equipment, and the operation stability and the service life of the equipment are influenced; as shown in fig. 8, fig. 8 is a schematic structural view of a wire cutting machine according to another embodiment of the present application; according to the cutting wheel motor, the cutting wheel motor is positioned at the upper right part and cannot be soaked by cutting liquid; the tension mechanism can be positioned at the left lower position or the left upper position and can not be soaked by the cutting fluid.
The oblique wire net and the oblique bed body combination provided by the application are not only capable of protecting two schemes, but also capable of being applied to other forms of combination. It is within the scope of the present application to effect beveling whether by cutting tool movement or by feeding by way of silicon material movement.
In order to realize the sliding of the cutting panel 7, the cutting device further comprises a third sliding driving assembly 19, one end of the third sliding driving assembly 19 is fixed on the second inclined sliding table 18, and the other end of the third sliding driving assembly is connected with the bottom wall of the cutting panel 7 so as to drive the cutting panel 7 to move in the direction that the line is close to or far away from the sliding table base 12. The structure of the third sliding driving assembly 19, which can be set with reference to the structure of the first sliding driving assembly, is within the scope of the present application.
Specifically, the wire cutting machine further comprises a tension pulley 3 and/or a driving guide pulley 4, the tension pulley 3 and the driving guide pulley 4 are respectively and rotatably connected to the cutting panel 7, and the tension pulley 3 is positioned on one side far away from the cutting wire 5; the driving guide wheel 4 is used for guiding the cutting wire 5. The structure and the fixed mode of tension pulley 3 and initiative guide pulley 4 can set up according to prior art, and tension pulley 3 and initiative guide pulley 4 can carry out the alternative setting as required simultaneously.
In one embodiment, the present application provides a tension pulley 3 and a drive pulley 4. The first cutting wheel 1, the second cutting wheel 2, the tension wheel 3 and the driving guide wheel 4 form four vertexes of a parallelogram, and the cutting lines 5 are respectively wound on the circumferential outer walls of the first cutting wheel 1, the second cutting wheel 2, the tension wheel 3 and the driving guide wheel 4 to form an annular line. In other embodiments, the number of the driving guide wheels 4 can be set as required or can be eliminated; that is, in the present application, a three-wheel scheme with only two cutting wheels, or with two cutting wheels and one tension wheel 3, or a five-wheel scheme with two cutting wheels, one tension wheel 3 and two driving guide wheels 4 may be provided, all of which are within the protection scope of the present application.
In a specific embodiment, this application is arranged through the slope of first cutting wheel 1 and second cutting wheel 2 for gauze in the cutting district has certain inclination, the cutting district gauze slope is placed and to be utilized the resultant force of the effort that produces when partly cutting to balance off the self gravity of mechanism, the oblique line net slant lathe bed receives gravity to warp less in vertical ascending complete machine, to reducing the influence of structure gravity to the cutting, improve mechanism's rigidity requirement and have a benefit, be favorable to improving the stability of mechanism, and can make the line bow more even. The precision of the mechanism is higher, the oblique line net oblique lathe bed layout can directly influence the gap of the ball screw below the carriage 907, the silicon material feeding carriage 907 is obliquely placed, and gravity acts on the gap of the ball screw, so that the reverse gap during transmission is almost zero, the transmission precision of the mechanism can be improved, and the cutting precision is further improved. The rigidity of the mechanism is better, the wire mesh cutting force is close to the component force direction of the gravity of the workpiece, the main shaft runs more stably, and the cutting vibration is not easy to cause. Under the condition of the same width of the guide rail, the carriage 907 is longer, the travel of the guide rail can be longer under the condition of the same floor area, and the silicon material which can be processed by the oblique line net machine tool is larger in size. The cutting chips can be automatically discharged under the action of gravity, which is beneficial to the maintenance of the equipment. Compared with a flat wire net, the annular diamond wire of the inclined wire net has stronger liquid carrying capacity, the diamond wire has better lubrication and cooling effects in a cutting area, and better processing surface quality can be obtained.
While the preferred embodiments of the present application have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including the preferred embodiment and all changes and modifications that fall within the scope of the present application.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present application without departing from the spirit and scope of the application. Thus, if such modifications and variations of the present application fall within the scope of the claims of the present application and their equivalents, the present application is intended to include such modifications and variations as well.
Claims (16)
1. A wire cutting machine, characterized by comprising:
cutting the panel;
the first cutting wheel and the second cutting wheel are respectively connected to the cutting panel in a rotating manner;
the cutting line is wound on the circumferential outer walls of the first cutting wheel and the second cutting wheel, and a cutting area is formed between the first cutting wheel and the second cutting wheel; and a first preset inclined angle is formed between the cutting line in the cutting area and the vertical surface.
2. The wire cutting machine according to claim 1, wherein the perpendicular line of the cutting wire located in the cutting zone is disposed obliquely upward.
3. The wire cutting machine according to claim 2, characterized by further comprising:
a sliding table base;
and the material clamping device is positioned on the sliding table base and used for clamping the material to be cut.
4. The wire cutting machine according to claim 3, wherein the material holding device comprises:
the first inclined sliding table is provided with a first inclined mounting surface, and a second preset inclined angle is formed between the first inclined mounting surface and the horizontal plane so that the second preset inclined angle is formed between the material feeding direction and the horizontal plane;
the material clamping mechanism is used for clamping a material to be cut; the material clamping mechanism is connected to the first inclined mounting surface in a sliding mode so as to drive the material to be cut to move towards the direction close to or far away from the cutting line.
5. The wire cutting machine according to claim 4, wherein the material holding mechanism comprises:
a carriage;
the clamping plates are oppositely arranged and are used for clamping the material to be cut; the clamping plates are respectively positioned at two ends of the carriage in the length direction;
one end of the clamping plate distance adjusting piece is fixed on the carriage, and the other end of the clamping plate distance adjusting piece can be connected with the clamping plate; for adjusting the distance between the clamping plates.
6. The wire cutting machine according to claim 5, wherein the clamp plate distance adjusting member comprises:
the adjusting bolt fixing plate is fixed on the end wall of the carriage in the length direction;
one end of the adjusting bolt is fixed on the adjusting bolt fixing plate, and the other end of the adjusting bolt penetrates through the adjusting bolt fixing plate to be capable of abutting against the side wall of the clamping plate; the adjusting bolt can push the clamping plates to move towards each other.
7. The wire cutting machine according to claim 5, wherein the material holding device further comprises a first sliding driving assembly, one end of the first sliding driving assembly is fixed on the first inclined sliding table, and the other end of the first sliding driving assembly is connected with the carriage so as to drive the carriage to move towards or away from the cutting line.
8. The wire cutting machine of claim 7 wherein the first skid drive assembly comprises:
the first sliding power part is positioned on the first inclined sliding table;
the first sliding driving piece is respectively connected with the first sliding power piece and the carriage; the first sliding power piece drives the first sliding driving piece to move so as to drive the carriage to slide;
and/or the first sliding guide part is respectively connected with the carriage and the first inclined sliding table and guides the movement of the carriage towards the direction close to or away from the cutting line.
9. The wire cutting machine according to claim 4, wherein the first preset inclination angle and the second preset inclination angle are equal.
10. The wire cutting machine according to claim 3, characterized by further comprising:
and one end of the second sliding driving assembly is fixed on the sliding table base, the other end of the second sliding driving assembly is fixedly connected with the first inclined sliding table, and the second sliding driving assembly drives the first inclined sliding table to move along the direction perpendicular to the cutting panel.
11. The wire cutting machine of claim 10 wherein the second skid drive assembly comprises:
the second sliding power part is positioned on the sliding table base;
the second sliding driving piece is respectively connected with the second sliding power piece and the first inclined sliding table; the second sliding power part drives the second sliding driving part to move so as to drive the first inclined sliding table to slide;
and/or the second sliding guide part is connected with the sliding table base and the first inclined sliding table respectively, and guides the movement of the first inclined sliding table.
12. The wire cutting machine according to claim 3, further comprising:
the second oblique sliding table is provided with a second oblique installation surface, the bottom wall of the cutting panel is located on the second oblique installation surface, and a second preset oblique angle is arranged between the second oblique installation surface and the horizontal plane.
13. The wire cutting machine according to claim 12, characterized by further comprising:
and one end of the third sliding driving assembly is fixed on the second inclined sliding table, and the other end of the third sliding driving assembly is connected with the bottom wall of the cutting panel so as to drive the cutting panel line to be close to or far away from the sliding table base to move in the direction.
14. The wire cutting machine according to claim 1, further comprising:
the tension wheel is rotationally connected to the cutting panel and is positioned on one side far away from the cutting line;
and/or a driving guide wheel is rotatably connected to the cutting panel and used for guiding the cutting line.
15. The wire cutting machine as claimed in claim 14, wherein the first cutting wheel, the second cutting wheel, the tension wheel and the driving guide wheel form four vertices of a quadrangle, and the cutting wires are wound around the circumferential outer walls of the first cutting wheel, the second cutting wheel, the tension wheel and the driving guide wheel, respectively, to form a circular wire.
16. The wire cutting machine according to any one of claims 1 to 15, wherein the first preset inclination angle is 30 ° to 60 °.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210761349.1A CN115229643A (en) | 2022-06-30 | 2022-06-30 | Wire cutting machine |
| PCT/CN2023/103094 WO2024002138A1 (en) | 2022-06-30 | 2023-06-28 | Wire cutting machine and cutting method and control method thereof, and crystal silicon grinding and polishing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210761349.1A CN115229643A (en) | 2022-06-30 | 2022-06-30 | Wire cutting machine |
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| CN115229643A true CN115229643A (en) | 2022-10-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210761349.1A Pending CN115229643A (en) | 2022-06-30 | 2022-06-30 | Wire cutting machine |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024002138A1 (en) * | 2022-06-30 | 2024-01-04 | 青岛高测科技股份有限公司 | Wire cutting machine and cutting method and control method thereof, and crystal silicon grinding and polishing device |
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