CN114131772A - Cutting method and cutting device for hard and brittle material rod - Google Patents
Cutting method and cutting device for hard and brittle material rod Download PDFInfo
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- CN114131772A CN114131772A CN202111353684.XA CN202111353684A CN114131772A CN 114131772 A CN114131772 A CN 114131772A CN 202111353684 A CN202111353684 A CN 202111353684A CN 114131772 A CN114131772 A CN 114131772A
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- 238000000034 method Methods 0.000 title claims abstract description 42
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- 230000009471 action Effects 0.000 abstract description 11
- 238000012986 modification Methods 0.000 description 5
- 230000004048 modification Effects 0.000 description 5
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 3
- 229910052710 silicon Inorganic materials 0.000 description 3
- 239000010703 silicon Substances 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 229910003460 diamond Inorganic materials 0.000 description 2
- 239000010432 diamond Substances 0.000 description 2
- 238000010248 power generation Methods 0.000 description 2
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- 229910021419 crystalline silicon Inorganic materials 0.000 description 1
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- 229910052594 sapphire Inorganic materials 0.000 description 1
- 239000010980 sapphire Substances 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 235000012431 wafers Nutrition 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28D—WORKING STONE OR STONE-LIKE MATERIALS
- B28D5/00—Fine working of gems, jewels, crystals, e.g. of semiconductor material; apparatus or devices therefor
- B28D5/04—Fine working of gems, jewels, crystals, e.g. of semiconductor material; apparatus or devices therefor by tools other than rotary type, e.g. reciprocating tools
- B28D5/045—Fine working of gems, jewels, crystals, e.g. of semiconductor material; apparatus or devices therefor by tools other than rotary type, e.g. reciprocating tools by cutting with wires or closed-loop blades
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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
- B24B27/0675—Grinders for cutting-off methods therefor
-
- 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
- B28—WORKING CEMENT, CLAY, OR STONE
- B28D—WORKING STONE OR STONE-LIKE MATERIALS
- B28D5/00—Fine working of gems, jewels, crystals, e.g. of semiconductor material; apparatus or devices therefor
- B28D5/0058—Accessories specially adapted for use with machines for fine working of gems, jewels, crystals, e.g. of semiconductor material
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Abstract
The embodiment of the application provides a cutting method and a cutting device for a hard and brittle material rod. The cutting method of the hard and brittle material rod comprises the following steps: forming a plurality of annular wires, wherein the annular wires are arranged in parallel and at intervals; wherein the arrangement direction of each annular wire is a first direction; placing a hard and brittle material rod, wherein the length direction of the hard and brittle material rod is consistent with the first direction; and synchronously cutting the hard and brittle material rods by each annular wire to form finished product blocks. The cutting device is used for realizing the hard and brittle material rod cutting method. According to the hard and brittle material rod cutting method, one cutting action is performed, actual cutting is performed on the hard and brittle material rod, the number of the actual cutting is consistent with that of the annular wires, the cutting efficiency is high, and the speed of cutting the hard and brittle material rod into the finished product block is high.
Description
Technical Field
The application relates to the technical field of hard and brittle material rod cutting, in particular to a hard and brittle material rod cutting method and a cutting device.
Background
At present, with the importance and the openness of the society on the utilization of green renewable energy sources, the field of photovoltaic solar power generation is more and more valued and developed. In the field of photovoltaic power generation, conventional crystalline silicon solar cells are fabricated on high quality silicon wafers that are cut by wire saw from a pulled or cast silicon rod, i.e. wire cutting technique.
The wire cutting technology is an advanced cutting processing technology in the world at present, and the principle of the wire cutting technology is that a diamond wire moving at a high speed rubs a workpiece to be processed (such as a silicon rod, sapphire or other semiconductor hard and brittle materials) to cut a square rod, so that the cutting purpose is achieved. Compared with the traditional knife saw blade, grinding wheel and internal circle cutting, the linear cutting technology has the advantages of high efficiency, high productivity, high precision and the like.
The existing hard and brittle material rod cutting method cannot meet the requirements of the photovoltaic industry on silicon chips.
The above information disclosed in the background section is only for enhancement of understanding of the background of the present application and therefore it may contain information that does not form the prior art that is known to those of ordinary skill in the art.
Disclosure of Invention
The embodiment of the application provides a novel process cutting method and device for a hard and brittle material rod.
According to a first aspect of embodiments of the present application, there is provided a method for cutting a hard and brittle material rod, comprising the steps of:
forming a plurality of annular wires, wherein the annular wires are arranged in parallel and at intervals; wherein the arrangement direction of each annular wire is a first direction;
placing a hard and brittle material rod, wherein the length direction of the hard and brittle material rod is consistent with the first direction;
and synchronously cutting the hard and brittle material rods by each annular wire to form finished product blocks.
According to a second aspect of embodiments of the present application, there is provided a cutting device comprising:
a plurality of support wheel pairs, each support wheel pair having two support wheels;
the supporting device comprises two supporting rollers arranged at intervals, wherein two supporting wheels of each supporting wheel pair are respectively arranged on the peripheral surfaces of the two supporting rollers, and the two supporting wheels of the same supporting wheel pair are oppositely arranged at intervals;
the annular wires are in one-to-one correspondence with the supporting wheel pairs and are wound on the outer edges of the two supporting wheels of the corresponding supporting wheel pair; wherein, each annular wire is arranged in parallel and at intervals.
Due to the adoption of the technical scheme, the embodiment of the application has the following technical effects:
the cutting method of the hard and brittle material rod is used for cutting the hard and brittle material rod to form a finished product block. The cutting method of the hard and brittle material rod comprises the following steps: forming a plurality of annular wires, wherein the annular wires are arranged in parallel and at intervals; placing the hard and brittle material rod to enable the length direction of the hard and brittle material rod to be consistent with the first direction, namely the length direction of the hard and brittle material rod is consistent with the arrangement direction of each annular wire; and then, synchronously cutting the hard and brittle material rods by each annular wire to form finished product blocks. Because the hard and brittle material rod is cut by a plurality of annular wires which are arranged in parallel and at intervals, namely, one cutting action is carried out, the plurality of annular wires are synchronously carried out, and the actual cutting of the hard and brittle material rod is determined by the number of the annular wires. Therefore, one cutting action in the hard and brittle material bar cutting method is used for actually cutting the hard and brittle material bar according with the number of the annular wires, so that the cutting efficiency is high, and the speed of cutting the hard and brittle material bar into finished product blocks is high.
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 flow chart of a hard and brittle material bar cutting method according to an embodiment of the present application;
FIG. 2 is a schematic diagram of a first cutting of a hard and brittle material bar cutting method according to a second embodiment of the present application;
FIG. 3 is a schematic diagram of a second cut of the hard brittle material bar cutting method shown in FIG. 2;
FIG. 4 is a partial schematic view of a cutting device used in the method for cutting a hard and brittle material bar according to the second embodiment of the present application;
fig. 5 is a partial schematic view of a cutting device used in the method for cutting a hard and brittle material bar according to the third embodiment of the present application.
Reference numerals:
11 annular wires, 21 supporting wheels, 22 supporting rollers, 23 middle spacing sleeves and 3 hard and brittle material rods.
Detailed Description
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.
Example one
As shown in fig. 1 to 5, a method for cutting a hard and brittle material rod according to an embodiment of the present application includes the following steps:
step S100: forming a plurality of annular wires 11, wherein the annular wires 11 are arranged in parallel and at intervals; wherein, the arrangement direction of each annular wire 11 is a first direction;
step S200: placing a hard and brittle material rod 3, wherein the length direction of the hard and brittle material rod 3 is consistent with the first direction;
step S300: and synchronously cutting the hard and brittle material rods by each annular wire 11 to form finished product blocks.
The hard and brittle material rod cutting method is used for cutting the hard and brittle material rod to form a finished product block. The cutting method of the hard and brittle material rod comprises the following steps: forming a plurality of annular wires, wherein the annular wires are arranged in parallel and at intervals; placing the hard and brittle material rod to enable the length direction of the hard and brittle material rod to be consistent with the first direction, namely the length direction of the hard and brittle material rod is consistent with the arrangement direction of each annular wire; and then, synchronously cutting the hard and brittle material rods by each annular wire to form finished product blocks. Because the hard and brittle material rod is cut by a plurality of annular wires which are arranged in parallel and at intervals, namely, one cutting action is carried out, the plurality of annular wires are synchronously carried out, and the actual cutting of the hard and brittle material rod is determined by the number of the annular wires. Therefore, one cutting action in the hard and brittle material bar cutting method is used for actually cutting the hard and brittle material bar according with the number of the annular wires, so that the cutting efficiency is high, and the speed of cutting the hard and brittle material bar into finished product blocks is high.
Example two
The method for cutting the hard and brittle material rod in the embodiment of the application has the following characteristics on the basis of the first embodiment.
In the implementation, in the step S100 and the step S200, the first direction is a horizontal direction, and the hard and brittle material rod 3 is horizontally placed;
step S300, as shown in fig. 2 and fig. 3, specifically includes:
step S311: each annular wire 11 synchronously cuts the hard and brittle material rod 3 for the first time, and the position of the first cutting is used as a cutting starting position;
step S312: synchronously cutting the hard and brittle material rod for the second time by each annular wire 11, wherein the second cutting moves for an incremental distance along the first direction relative to the cutting starting position; wherein one incremental distance Δ L is a preset thickness of the finished block.
After the first cutting, the position of the first cutting is used as a cutting starting position, namely the cutting starting position is used as a starting point of subsequent cutting. Before the second cutting, each annular wire is moved by an incremental distance along the first direction relative to the cutting starting position, and the preset thickness of the finished product block is formed; thereafter, each annular wire 11 simultaneously performs a second cut on the bar of hard and brittle material. Thus, after the first cut and the second cut, the finished block is formed. After the first cutting and the second cutting, a first batch of finished product blocks are formed, and the number of the first batch of finished product blocks is determined by the number of the annular wires, so that the cutting efficiency is high.
In the implementation, after step S312, the method further includes:
step S313: synchronously cutting the hard and brittle material rod for the third time by each annular wire, wherein the third time of cutting moves two incremental distances of 2 multiplied by delta L along the first direction relative to the cutting starting position;
step S314: each annular wire synchronously cuts the hard and brittle material rod for the fourth time, and the fourth time of cutting moves for three incremental distances of 3 multiplied by delta L along the first direction relative to the cutting starting position;
and sequentially carrying out the steps until the cutting is finished.
The distance between the third cutting and the cutting starting position is two incremental distances, namely the preset thicknesses of two finished product blocks; the distance between the fourth cutting and the cutting starting position is three incremental distances, namely the preset thicknesses of three finished product blocks; the distance between the fifth cut and the cutting start position is four incremental distances; … …, respectively; until the bar of hard and brittle material is cut into finished pieces.
The hard and brittle material bar cutting method is used for cutting, and the hard and brittle material bar part between the first cutting and the last cutting is cut into a finished product block. The whole hard and brittle material rod only has the parts outside the first cutting and the last cutting, and is not cut into the hard and brittle material rod. The utilization rate of the hard and brittle material rod is extremely high, and the waste is little. Meanwhile, the cutting efficiency is higher.
Specifically, one incremental distance is the preset thickness of the finished block. When a hard and brittle material rod is cut, an increment distance is fixed, namely, the hard and brittle material rod is cut into a plurality of finished blocks with fixed thickness. When another hard and brittle material rod is cut, the value of the increment distance can be adaptively adjusted according to the thickness requirement of the finished product block, so that the hard and brittle material rod is cut to form the finished product block with another thickness.
Therefore, the method for cutting the hard and brittle material rod has a wide application range.
In the implementation, in the step of synchronously cutting the hard and brittle material rod by each annular wire, each annular wire synchronously cuts the hard and brittle material rod from top to bottom, or each annular wire synchronously cuts the hard and brittle material rod from bottom to top.
The hard and brittle material rod is placed in a horizontal mode, and each annular wire synchronously cuts the hard and brittle material rod from top to bottom. Therefore, the cut hard and brittle material rod and the finished product block are supported in the vertical direction, and the influence on subsequent cutting is small.
EXAMPLE III
The method for cutting the hard and brittle material rod in the embodiment of the application has the following characteristics on the basis of the first embodiment.
In the implementation, step S300 specifically includes:
step S321: the interval value among all the annular wires is one, and corresponds to the preset thickness of the same finished product block.
Because the value of the interval between each annular wire is one, the annular wires correspond to the preset thickness of the same finished product block, and after one cutting action, the annular wires cut out a plurality of finished product blocks with approximately the same thickness. The number of finished pieces at the cutting position is determined by the group number of the annular wires in one cutting action. According to the hard and brittle material rod cutting method, a plurality of finished product blocks with approximately the same thickness can be cut and formed through one-time cutting action, and the cutting efficiency is high. The utilization rate of the hard and brittle material rod is extremely high, and the waste is little.
In the implementation, step S300 specifically includes:
as shown in fig. 5, the annular wires 11 have a plurality of intervals corresponding to the predetermined thicknesses of the finished blocks.
Due to the fact that the annular wires are various in interval value, the annular wires correspond to the preset thicknesses of various finished product blocks. Thus, a plurality of finished blocks are cut out in one cutting action, and the thicknesses of the finished blocks are various. According to the hard and brittle material rod cutting method, finished product blocks with various thicknesses can be cut through one-time cutting action, and the cutting efficiency is high. The utilization rate of the hard and brittle material rod is extremely high, and the waste is little.
Specifically, the first direction is a horizontal direction, and the hard and brittle material rod is horizontally placed;
as shown in fig. 2, fig. 3, fig. 4 and fig. 5, in the step of synchronously cutting the hard and brittle material rod by each annular wire 11, synchronously cutting the hard and brittle material rod by each annular wire 11 from top to bottom;
the annular wire 11 is a diamond wire.
The hard and brittle material rod is placed in a horizontal mode, and each annular wire synchronously cuts the hard and brittle material rod from top to bottom. In this way, the cut finished block is supported in the vertical direction.
Example four
The cutting device in the embodiment of the application is used for realizing the method for cutting the hard and brittle material rod in the first embodiment to the third embodiment. The cutting device of the embodiment of the present application, as shown in fig. 2 to 5, includes:
a plurality of pairs of support wheels, each pair having two support wheels 21;
the supporting device comprises two supporting rollers 22 arranged at intervals, wherein two supporting wheels 21 of each supporting wheel pair are respectively arranged on the peripheral surfaces of the two supporting rollers 22, and the two supporting wheels 21 of the same supporting wheel pair are arranged at intervals oppositely;
the annular wires are in one-to-one correspondence with the supporting wheel pairs and are wound on the outer edges of the two supporting wheels of the corresponding supporting wheel pair; wherein, each annular silk is arranged at intervals.
The cutting device of this application embodiment, through the backing roll that two intervals set up, the cooperation installation of a plurality of backing rolls to and annular silk has realized parallel and interval setting between each annular silk, and then has realized the parallel and interval setting of a plurality of annular silks through simple structure. And the mode of the annular wire is adopted, so that the wiring of the whole cutting device is simple. The cutting device of this application embodiment, the annular silk that a plurality of parallels and interval set up can realize that cutting device carries out a cutting action, carries out many times actual cutting to hard and brittle material stick for the efficiency that cutting device of this application embodiment carries out the cutting is higher.
In practice, as shown in fig. 4 and 5, the support wheel 21 is movable in the axial direction of the support roller 22 and fixed with respect to the circumferential direction of the support roller 22; the cutting device further comprises:
the middle spacer sleeve 23 is sleeved on the outer peripheral surface of the supporting roller and positioned between two adjacent supporting wheels, and can move along the axial direction of the supporting roller and is fixed relative to the circumferential direction of the supporting roller;
wherein the spacing between the two endless wires is adjusted by adjusting the number between the intermediate spacer sleeves between the two support wheels.
The support wheel and the intermediate sleeve are each capable of moving in the axial direction of the support roller. Therefore, when the number of the middle spacer sleeves between the two supporting wheels needs to be adjusted and the distance between the two supporting wheels is further adjusted, one supporting wheel is taken down from one end of the supporting roller, the number of the middle spacer sleeves is increased or reduced, then the supporting wheel is installed from one end of the supporting roller, and then the supporting wheels at two ends of the supporting roller are locked.
Specifically, every two adjacent supporting wheels on the same supporting roller form a group, and the supporting wheels in the same group are separated by an intermediate spacer sleeve to keep a gap.
The number of the middle spacer sleeves among the supporting wheels of each group can be the same;
the number of intermediate spacers between the sets of support wheels may also be varied, as shown.
In an implementation, the cutting device further comprises:
and the driving device is connected with the two supporting rollers and used for driving the two supporting rollers to synchronously move up and down in the vertical direction and also used for driving the two supporting rollers to synchronously move in the horizontal direction.
The driving device drives the two supporting rolls to move up and down in the vertical direction to realize cutting, and drives the two supporting rolls to move in the horizontal direction synchronously to realize that the two supporting rolls move in the first direction synchronously.
In the description of the present application and the embodiments thereof, it is to be understood that the terms "top", "bottom", "height", and the like, indicate orientations or positional relationships based on those shown in the drawings, are merely for convenience in describing the present application and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present application.
In this application and its embodiments, unless expressly stated or limited otherwise, the terms "disposed," "mounted," "connected," "secured," and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integral to; the connection can be mechanical connection, electrical connection or communication; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
In this application and its embodiments, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise the first and second features being in direct contact, or may comprise the first and second features being in contact, not directly, but via another feature in between. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly above and obliquely above the second feature, or simply meaning that the first feature is at a lesser level than the second feature.
The above disclosure provides many different embodiments or examples for implementing different structures of the application. The components and arrangements of specific examples are described above to simplify the present disclosure. Of course, they are merely examples and are not intended to limit the present application. Moreover, the present application may repeat reference numerals and/or letters in the various examples, such repetition is for the purpose of simplicity and clarity and does not in itself dictate a relationship between the various embodiments and/or configurations discussed. In addition, examples of various specific processes and materials are provided herein, but one of ordinary skill in the art may recognize applications of other processes and/or use of other materials.
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 preferred embodiments and all alterations and modifications as fall within the scope of the 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 (10)
1. A method for cutting a hard and brittle material rod is characterized by comprising the following steps:
forming a plurality of annular wires, wherein the annular wires are arranged in parallel and at intervals; wherein the arrangement direction of each annular wire is a first direction;
placing a hard and brittle material rod, wherein the length direction of the hard and brittle material rod is consistent with the first direction;
and synchronously cutting the hard and brittle material rods by each annular wire to form finished product blocks.
2. The method for cutting the hard and brittle material rod according to claim 1, wherein the step of synchronously cutting the hard and brittle material rod by each annular wire to form a finished product block specifically comprises the following steps:
synchronously cutting the hard and brittle material rods for the first time by each annular wire, wherein the position of the first cutting is used as a cutting starting position; wherein, the first direction is a horizontal direction, and the hard and brittle material rod is placed in a horizontal mode;
synchronously cutting the hard and brittle material rod for the second time by each annular wire, wherein the second cutting is moved for an incremental distance along the first direction relative to the cutting starting position; wherein one incremental distance is a preset thickness of the finished block.
3. The method for cutting a hard and brittle material rod according to claim 2, characterized in that the step of cutting the hard and brittle material rod synchronously by each ring wire to form a finished block further comprises:
and each annular wire synchronously performs third cutting on the hard and brittle material rod, and the third cutting moves two incremental distances along the first direction relative to the cutting starting position.
4. The method for cutting a hard and brittle material rod according to claim 3, characterized in that the step of cutting the hard and brittle material rod synchronously by each ring wire to form a finished block further comprises:
each annular wire synchronously cuts the hard and brittle material rod for the fourth time, and the fourth time of cutting moves for three incremental distances along the first direction relative to the cutting starting position;
and sequentially carrying out the steps until the cutting is finished.
5. The method for cutting a hard and brittle material bar as claimed in claim 1, characterized in that in the step of cutting the hard and brittle material bar simultaneously with each ring wire to form a finished block, wherein:
the interval value among all the annular wires is one, and corresponds to the preset thickness of the same finished product block.
6. The method for cutting a hard and brittle material bar as claimed in claim 1, characterized in that in the step of cutting the hard and brittle material bar simultaneously with each ring wire to form a finished block, wherein:
the annular wires are spaced at intervals to obtain various values corresponding to the preset thicknesses of various finished product blocks.
7. The method for cutting a hard and brittle material rod as claimed in claim 1, characterized in that in the step of synchronously cutting the hard and brittle material rod by each ring-shaped wire, each ring-shaped wire synchronously cuts the hard and brittle material rod from top to bottom, or each ring-shaped wire synchronously cuts the hard and brittle material rod from bottom to top.
8. A cutting device for realizing the hard and brittle material rod cutting method according to any one of claims 1 to 7, characterized by comprising:
a plurality of support wheel pairs, each support wheel pair having two support wheels;
the supporting device comprises two supporting rollers arranged at intervals, wherein two supporting wheels of each supporting wheel pair are respectively arranged on the peripheral surfaces of the two supporting rollers, and the two supporting wheels of the same supporting wheel pair are oppositely arranged at intervals;
the annular wires are in one-to-one correspondence with the supporting wheel pairs and are wound on the outer edges of the two supporting wheels of the corresponding supporting wheel pair; wherein, each annular wire is arranged in parallel and at intervals.
9. The cutting device according to claim 8, wherein the support wheel is movable in the axial direction of the support roller and fixed relative to the circumferential direction of the support roller; the cutting device further comprises:
the middle spacer sleeve is sleeved on the peripheral surface of the supporting roller and positioned between two adjacent supporting wheels, and can move along the axial direction of the supporting roller and is fixed relative to the circumferential direction of the supporting roller;
wherein the spacing between the two endless wires is adjusted by adjusting the number between the intermediate spacer sleeves between the two support wheels.
10. The cutting device of claim 9, further comprising:
and the driving device is connected with the two supporting rollers and used for driving the two supporting rollers to synchronously move up and down in the vertical direction and also used for driving the two supporting rollers to synchronously move in the horizontal direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111353684.XA CN114131772A (en) | 2021-11-16 | 2021-11-16 | Cutting method and cutting device for hard and brittle material rod |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111353684.XA CN114131772A (en) | 2021-11-16 | 2021-11-16 | Cutting method and cutting device for hard and brittle material rod |
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| CN114131772A true CN114131772A (en) | 2022-03-04 |
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