CN213440477U - Line cutting machine home roll and line cutting machine - Google Patents
Line cutting machine home roll and line cutting machine Download PDFInfo
- Publication number
- CN213440477U CN213440477U CN202021542662.9U CN202021542662U CN213440477U CN 213440477 U CN213440477 U CN 213440477U CN 202021542662 U CN202021542662 U CN 202021542662U CN 213440477 U CN213440477 U CN 213440477U
- Authority
- CN
- China
- Prior art keywords
- cutting machine
- line cutting
- roll
- line
- groove
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Abstract
The utility model provides a line cutting machine home roll and line cutting machine, wherein, line cutting machine home roll includes the roll body, set up a plurality of recesses that are used for twining buddha's warrior attendant line on the disc outside the roll body, seted up of roll body the recess part one end diameter wherein is less than other end diameter. The utility model discloses line cutting machine home roll has solved the problem that golden copper wire cutting power weakens gradually in the silicon chip cutting to guaranteed that the silicon chip can cut thoroughly in step, shortened process time, thereby reduced the defective rate that the silicon rod goes out the piece, reduced golden copper wire's use amount, reduced manufacturing cost, increased economic benefits.
Description
Technical Field
The utility model relates to a solar energy silicon chip cutting technical field, concretely relates to line cutting machine home roll and have line cutting machine of this line cutting machine home roll.
Background
The multi-wire cutting machine is widely applied to the field of precision cutting, an auxiliary cutting workpiece for winding steel wires and enabling the steel wires to be orderly arranged into a wire net is arranged in the multi-wire cutting machine, the auxiliary cutting workpiece is commonly called as a main roller, a plurality of grooves are formed in the outer circles of the two main rollers, the steel wires are wound in the grooves, and materials such as crystals, ceramics and the like are cut by the walking of the steel wires during working. Under the great trend of environmental protection production, the original common steel wire is gradually replaced by the gold steel wire, the gold steel wire solves the environmental protection problem and brings a new problem, in the cutting process, in the walking process of the gold steel wire from one end to the other end of the silicon rod, the gold steel sand attached to the gold steel wire is reduced due to abrasion of the silicon rod, the cutting force is gradually weakened, finally, the phenomenon that one end with strong cutting force is cut through and the other end with weak cutting force is not cut through occurs after the cutting is completed, in order to complete the cutting, only the process is changed for continuous cutting, the cut-through part in the secondary processing process is easy to fall, the cut-through part is easy to have defects such as edge breakage gaps, R arc line marks and the like, meanwhile, the working time and the using amount of the gold steel wire are wasted, the working efficiency is reduced invisibly, and the production cost is increased.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides a low-cost, efficient line cutting machine home roll that can reduce silicon rod and go out piece defect rate.
Another object of the utility model is to provide a line cutting machine with above-mentioned line cutting machine home roll.
In order to solve the technical problem, the utility model discloses a following technical scheme:
according to the utility model discloses line cutting machine home roll, including the roll body, set up a plurality of recesses that are used for twining buddha's warrior attendant line on the disc outside the roll body, seted up of roll body the wherein one end diameter of recess part is less than other end diameter.
Further, the diameter of the roller body increases from the one end to the other end.
Further, the diameter of the roller body increases uniformly from the one end to the other end.
Furthermore, the part of the roller body, provided with the groove, is formed into a frustum.
Further, the groove pitch of the groove is the same from the one end to the other end along the length direction of the roller body.
Further, the groove pitch of the grooves at the one end is larger than the groove pitch of the grooves at the other end.
Further, the groove pitch decreases in sequence from the one end to the other end along the length direction of the roller body.
Furthermore, the utility model also provides a line cutting machine, include: the pair of main rollers of the line cutting machine with mutually parallel rotating shafts is the main roller of the line cutting machine in any embodiment, and the change trends of the diameters of the roller bodies of the pair of main rollers of the line cutting machine in the length direction are the same; and the diamond wires are positioned in the grooves of the wire cutting machine main rollers and are wound outside the pair of wire cutting machine main rollers.
The above technical scheme of the utility model one of following beneficial effect has at least:
according to the line cutting machine main roller of the embodiment of the utility model, the original diameter of the same two ends of the roller body is improved into the diameter with different sizes, the diameter of the roller body is gradually increased, so that the tension of the wire net is gradually increased, the problem that the cutting force of a gold steel wire in silicon wafer cutting is gradually weakened is solved, and the main roller can be more suitable for the cutting of the existing gold steel wire compared with the traditional main roller structure;
the main roller of the wire cutting machine ensures that the silicon wafers can be cut completely synchronously, and shortens the processing time, thereby reducing the defect rate of silicon rod sheet discharge;
the line cutting machine main roller can reduce the using amount of gold steel wires, thereby reducing the production cost and increasing the economic benefit.
Drawings
Fig. 1 is a schematic structural view of a line cutting machine including a main roller of the line cutting machine according to an embodiment of the present invention.
Reference numerals:
1. the roller body, 2, the recess, 3, the gold steel wire.
Detailed Description
In order to make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined below to clearly and completely describe the technical solution of the embodiments of the present invention. It is to be understood that the embodiments described are only some of the embodiments of the present invention, and not all of them. All other embodiments, which can be derived from the description of the embodiments of the present invention by a person skilled in the art, are within the scope of the present invention.
Unless otherwise defined, technical or scientific terms used herein shall have the ordinary meaning as understood by those of ordinary skill in the art to which the invention belongs. The use of "first," "second," and similar terms in the description herein do not denote any order, quantity, or importance, but rather the terms are used to distinguish one element from another. Also, the use of the terms "a" or "an" and the like do not denote a limitation of quantity, but rather denote the presence of at least one. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships are changed accordingly.
The main roller and the line cutting machine according to the embodiment of the present invention will be described in detail with reference to the accompanying drawings.
As shown in fig. 1, the wire cutting machine according to the embodiment of the present invention is used for cutting silicon wafers, including: a pair of main rollers of the wire cutting machine with mutually parallel rotating shafts, and a gold steel wire 3.
Wherein, the roll body diameter D of the pair of main rolls of the line cutting machine has the same change trend in the length direction.
The gold steel wire 3 is positioned in the groove 2 of the main roller of the wire cutting machine and wraps the outer sides of the main rollers of the pair of wire cutting machines.
Hereinafter, the line cutting machine main roller will be described in detail with reference to the accompanying drawings.
The line cutting machine main roller comprises a roller body 1. The outer circular surface of the roller body 1 is provided with a plurality of grooves 2 for winding diamond wires 3, and the diameter of one end of the part of the roller body, provided with the grooves 2, is smaller than that of the other end of the part of the roller body.
As shown in fig. 1, a plurality of grooves 2 are distributed on the outer circumferential surface of a main roller body 1 of the wire cutting machine, and a gold steel wire 3 is wound in the grooves 2 for cutting silicon wafers.
That is, at least the portion of the roller body where the groove 2 is opened, one end of which has a smaller diameter than the other end, in other words, one end of which has a smaller circumference than the other end, means that the length of one turn of the diamond wire 3 wound in the groove 2 of the portion is smaller than the length of one turn of the groove at the one end. According to the utility model discloses above-mentioned embodiment's line cutting machine home roll improves the diameter that original roll body both ends are the same for the diameter of variation in size, and the girth through making diamond wire 3 of the other end longer, can overcome effectively because of the impervious problem of cutting that the line bow leads to, thereby can adapt to present golden steel wire-electrode cutting more for traditional home roll structure.
Furthermore, according to the utility model discloses line cutting machine home roll has guaranteed that the silicon chip can cut thoroughly in step, has shortened process time to reduce the defect rate that the silicon rod goes out the piece.
And, the utility model discloses above-mentioned embodiment's line cutting machine home roll is because guaranteed that the silicon chip can cut thoroughly in step, does not have the problem of 2 times cutting to can reduce the use amount of gold copper wire, thereby reduce manufacturing cost, increase economic benefits.
Further, the diameter of the roller body 1 increases from one end to the other end in order. Specifically, as shown in fig. 1, the roller body diameter D increases in order from the left side to the right side. From this, progressively increase up through the roll body diameter, can progressively lengthen the length around 2 a week diamond wires 3 of recess to make gauze tension also take place to progressively increase up, solved the problem that gold steel wire cutting force weakens gradually in the silicon chip cutting.
Further, the diameter of the roller body 1 is uniformly increased from one end to the other end. In fig. 1, the diameter of the roller body 1 increases uniformly in the left-to-right direction according to a fixed value, and the fixed value is a value that the difference between the diameters of the two ends of the roller body 1 is divided equally on the diameters of all the grooves 2 of the main roller. Thereby, it is more advantageous to maintain the stability of the cutting performance.
Further, the portion of the roller body 1 where the groove 2 is opened is formed as a frustum. As shown in fig. 1, the line cutting machine main roller body 1 is integrally formed into a frustum structure at a portion where the groove 2 is opened. Therefore, for the diamond wire 3 with a fixed wire diameter, the diameter of the roller body 1 can be ensured to be uniformly increased from one end to the other end only by arranging the grooves 2 with the same depth, and the processing is convenient.
According to some embodiments, the groove pitch U of the grooves 2 is the same from one end to the other end along the length L of the roller body 1. As shown in fig. 1, the groove pitch U of the grooves 2 formed on the outer circumferential surface of the roller body 1 is constant along the length L direction from the left end to the right end of the roller body 1, and it is easy to process.
According to other embodiments, the groove pitch U of the grooves 2 at one end is larger than the groove pitch U of the grooves 2 at the other end. Therefore, the result that the cutting gap is reduced from large to small due to the fact that the diamond wire 3 is gradually thinned can be compensated reversely, and the uniformity of the cut silicon wafer is further improved.
Further, the groove pitch U decreases in order from one end to the other end along the length L direction of the roller body 1. The result of the tapering is that the reverse compensation is also tapered, which more closely corresponds to the trend of the wire diameter of the actual diamond wire 3.
The main roller of the wire cutting machine and the processing and preparation thereof will be further described in detail with reference to the attached drawing 1.
As a specific embodiment, the line cutting machine main roller comprises a roller body 1 and a plurality of grooves 2 which are formed in the outer circular surface of the roller body 1 and used for winding gold steel wires 3, wherein the diameter of the roller body increases from the left side to the right side of the roller body 1 in sequence according to a fixed value d.
Firstly, determining a difference h of diameters of two ends of a roller body according to the height difference of a wire mesh which is cut through one part of silicon wafers and not cut through the other part of the silicon wafers in the cutting process, then calculating a groove distance U of a groove to be formed in a main roller of an online cutting machine according to the thickness of the silicon wafers to be processed and the diameter of a gold steel wire 3, calculating the total number N of the grooves 2 to be formed in the main roller of the online cutting machine by dividing the length L of the main roller by the groove distance U, and finally distributing the difference h to be compensated into the total number N of the grooves to calculate a fixed increment value d which is h/N.
And inputting parameters of the calculated result, such as the groove distance U, the fixed incremental value D, the diameter D0 of the left end of the main roller body and the like, into the automatic processing equipment, and slotting the main roller by a slotting cutter of the automatic processing equipment from an initial position. Firstly, a first groove is formed at the initial point of a wire inlet on the left side of a main roller body 1 according to the required groove distance U at the initial diameter D0, then the first groove is moved to the next position according to the groove distance U in the right direction, namely, a second groove is formed at the position of the diameter D0+ D of the main roller body, then the first groove is moved to the next position according to the groove distance U, namely, a third groove is formed at the position of the diameter D0+2D of the main roller body, and the like until the last groove 2 is formed.
Therefore, the utility model discloses line cutting machine home roll more can adapt to present gold steel wire cutting for traditional home roll structure, the diameter that is the same at original roll body both ends is improved to the diameter of variation in size, utilize the roll body diameter to increase gradually, thereby make gauze tension also take place to increase gradually, the problem that gold steel wire cutter power weakens gradually in the silicon chip cutting has been solved, thereby it can cut thoroughly in step to have guaranteed the silicon chip, the process time has been shortened, thereby reduce the defect rate that the silicon rod goes out the piece, reduce the use amount of copper wire, and the production cost is reduced, and economic benefits is increased.
The foregoing is a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.
Claims (8)
1. The utility model provides a line cutting machine home roll which characterized in that includes:
the diamond wire winding device comprises a roller body, wherein a plurality of grooves for winding diamond wires are formed in the outer circular surface of the roller body, and the diameter of one end of each groove formed in the roller body is smaller than that of the other end of each groove.
2. The line cutter main roll of claim 1, wherein the roll body diameter increases sequentially from the one end to the other end.
3. The line cutter main roll of claim 2, wherein the roll body diameter increases uniformly from the one end to the other end.
4. The line cutting machine main roller of claim 3, wherein the portion of the roller body provided with the groove is formed as a frustum.
5. The line cutter main roll of claim 4, wherein the groove pitch of the groove is the same along the length of the roll body from the one end to the other end.
6. The line cutting machine main roll according to claim 4, wherein the grooves at the one end have a pitch greater than the pitch of the grooves at the other end.
7. The line cutter main roll of claim 5, wherein the groove pitch decreases sequentially from the one end to the other end along the length of the roll body.
8. A wire cutting machine is used for cutting a silicon wafer and is characterized by comprising:
a pair of main rollers of a line cutting machine with rotation axes parallel to each other, the main rollers of the line cutting machine according to any one of claims 1 to 7, and the roller bodies of the pair of main rollers of the line cutting machine have the same variation trend in the length direction;
and the diamond wires are positioned in the grooves of the wire cutting machine main rollers and are wound outside the pair of wire cutting machine main rollers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021542662.9U CN213440477U (en) | 2020-07-30 | 2020-07-30 | Line cutting machine home roll and line cutting machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021542662.9U CN213440477U (en) | 2020-07-30 | 2020-07-30 | Line cutting machine home roll and line cutting machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213440477U true CN213440477U (en) | 2021-06-15 |
Family
ID=76307182
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021542662.9U Active CN213440477U (en) | 2020-07-30 | 2020-07-30 | Line cutting machine home roll and line cutting machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213440477U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113733377A (en) * | 2021-07-30 | 2021-12-03 | 隆基绿能科技股份有限公司 | Silicon wafer cutting method |
-
2020
- 2020-07-30 CN CN202021542662.9U patent/CN213440477U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113733377A (en) * | 2021-07-30 | 2021-12-03 | 隆基绿能科技股份有限公司 | Silicon wafer cutting method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105052021B (en) | For producing the method and apparatus unshakable in one's determination of motor | |
| CN110430958B (en) | Wire saw, wire guide roller and method for simultaneously cutting a plurality of wafers from a material ingot | |
| CN213440477U (en) | Line cutting machine home roll and line cutting machine | |
| CN201235584Y (en) | Silicon slice wire cutting apparatus | |
| CN102310489A (en) | Cutting wire with composite structure, and manufacturing method and manufacturing equipment thereof | |
| CN109967810B (en) | Multi-wire electric spark cutting machining method for straight-line curved surface | |
| JP3943584B1 (en) | Saw wire and wire saw | |
| TW201529225A (en) | Fixed-abrasive-grain wire saw device, and wafer production method using same | |
| JP2010253652A (en) | Multi-saw machine and cutting method | |
| CN101279336A (en) | Three-roller flattening machine | |
| CN112060376A (en) | Silicon chip wire cut electrical discharge machining convenient to adjust | |
| CN201516649U (en) | Wire cutting machine home roll | |
| CN102039638A (en) | Cutting method for cutting substrate by utilizing cutting line | |
| CN104084442B (en) | A kind of isomery steel wire and its manufacture device and preparation method for multi-wire saw | |
| CN101391464B (en) | Home roll for line cutting machine | |
| CN202479794U (en) | Straightening-sawing-finishing processing device of brass bar material | |
| CN109092916A (en) | Hardly possible deformation high alloy high-precision section material production technology and special-shaped microfilament production line | |
| CN202097550U (en) | Straightening and finishing equipment for copper alloy pipes and bars | |
| CN103395131A (en) | Multi-wire cutting machine guide wheel wire groove and machining method thereof | |
| CN104085051A (en) | Metal wire for multi-wire cutting and manufacturing device of metal wire | |
| CN104084443B (en) | A kind of isomery wire and its manufacture device and preparation method for multi-wire saw | |
| CN203680561U (en) | Isomeric steel wires for multi-wire cutting and manufacturing device thereof | |
| CN202633039U (en) | Coil winding machine | |
| CN202208067U (en) | Cutting wire in composite structure and manufacturing equipment thereof | |
| JP3070430B2 (en) | Cutting method and apparatus using multi-wire saw |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20221116 Address after: No. 1688, Chang'an Road, Xingtai Economic Development Zone, Hebei 054001 Patentee after: JA (XINGTAI) SOLAR Co.,Ltd. Address before: 054000 Xingda street, Nanyuan District, Xingtai Development Zone, Hebei Province Patentee before: XINGTAI JINGLONG ELECTRONIC MATERIAL Co.,Ltd. |