CN216968294U - Upper pressing mechanism for silicon crystal bar cutting device, cutting mechanism and cutting device - Google Patents
Upper pressing mechanism for silicon crystal bar cutting device, cutting mechanism and cutting device Download PDFInfo
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- CN216968294U CN216968294U CN202121131135.3U CN202121131135U CN216968294U CN 216968294 U CN216968294 U CN 216968294U CN 202121131135 U CN202121131135 U CN 202121131135U CN 216968294 U CN216968294 U CN 216968294U
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- silicon crystal
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- crystal bar
- seat plate
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Abstract
The utility model relates to the technical field of cutting of hard and brittle bars, in particular to an upper pressing mechanism, a cutting mechanism and a cutting device for a silicon crystal bar cutting device, wherein the upper pressing mechanism comprises a pressing seat and a telescopic pressing piece; the tightening and pressing seat comprises a fixed seat plate and a lower installation seat plate, the fixed seat plate is used for being fixedly connected with a cutting machine frame, and the fixed seat plate and the lower installation seat plate are arranged oppositely; the telescopic pressing piece penetrates through the through hole in the fixed base plate to be connected with the lower mounting base plate, and the lower mounting base plate can abut against and press against the side wall of the silicon crystal bar. The setting of hold-down mechanism on this scheme can guarantee that silicon crystal bar centre gripping is reliable and stable when using the ascending support of floating support mechanism, can not appear offset, and cutting accuracy is high, of high quality just go up hold-down mechanism's structure and more simplify the assembly process degree of difficulty that reduces.
Description
Technical Field
The utility model relates to the technical field of cutting of hard and brittle bars, in particular to an upper pressing mechanism, a cutting mechanism and a cutting device for a silicon crystal bar cutting device.
Background
In current silicon crystal bar stock cutting device, silicon crystal bar stock is placed on the gyro wheel support frame, supports through the roller train of gyro wheel support frame to in carry silicon crystal bar stock assigned position. Before the cutting, hold through the ascending support of the floating support mechanism of silicon crystal bar below to rely on the effect of silicon crystal bar dead weight to realize pressing from both sides tightly, then the gyro wheel support frame descends, lets out the cutting space for coping saw cutting mechanism. On the basis, an elastic pressing mechanism with an elastic piece is additionally arranged to press the silicon crystal bar. The above scheme has the following disadvantages:
(1) the arranged elastic seat has complex assembly process and high precision required for the position,
(2) the mechanism using the electric pushing cylinder as a main power element has a short service life.
SUMMERY OF THE UTILITY MODEL
Therefore, an upper pressing mechanism, a cutting mechanism and a cutting device for a silicon crystal bar cutting device need to be provided to solve the problems that in the existing silicon crystal bar cutting device, when the upper pressing mechanism is used for the silicon crystal bar cutting device, the assembly process of an elastic seat is complex, the required accuracy of the position is high, and the service life of the machine is low.
In order to achieve the above object, the inventor provides an upper pressing mechanism for a silicon crystal bar cutting device, wherein the upper pressing mechanism comprises a pressing seat and a telescopic pressing piece;
the pressing seat comprises a fixed seat plate and a lower installation seat plate, and the fixed seat plate and the lower installation seat plate are oppositely arranged;
the fixed seat plate is fixedly arranged;
the telescopic pressing piece penetrates through the fixed base plate and is connected with the lower mounting base plate, and the telescopic pressing piece can be stretched to drive the lower mounting base plate to move in a reciprocating mode;
the lower mounting seat plate can be close to the side wall of the silicon crystal bar stock to be compressed.
Further, be provided with the compact heap down on the installation bedplate, the installation bedplate compresses tightly through compact heap conflict silicon crystal bar stock down.
Furthermore, the upper pressing mechanism further comprises a limiting assembly, the limiting assembly comprises a sliding shaft and a sliding sleeve, and the sliding sleeve is fixedly arranged on the fixed seat plate;
one end of the sliding shaft is connected with the lower mounting seat plate, the other end of the sliding shaft penetrates through the sliding sleeve, and a through hole for the sliding shaft to penetrate through is formed in the fixed seat plate.
Furthermore, more than two limiting assemblies are arranged, and the limiting assemblies are uniformly distributed on the periphery of the telescopic pressing piece.
Furthermore, the upper pressing mechanism further comprises a joint bearing, and the telescopic pressing piece is connected with the lower mounting seat plate through the joint bearing.
Preferably, the joint bearing is a universal joint bearing.
Furthermore, the telescopic pressing piece is an air cylinder or an oil cylinder.
The utility model provides a silicon crystal bar cutting device's cutting mechanism, cutting mechanism includes ring wire saw cutting unit and goes up hold-down mechanism, it is foretell to go up hold-down mechanism last hold-down mechanism, it is fixed in to go up hold-down mechanism on the cutter frame of ring wire saw cutting unit, just it is located to go up hold-down mechanism the intermediate position of the cutter frame of ring wire saw cutting unit.
A silicon crystal bar cutting device comprises a lifting roller support frame, a floating support mechanism and a cutting mechanism, wherein the cutting mechanism is the cutting mechanism, and the lifting roller support frame and the floating support mechanism are arranged on one side close to a cutting station on the cutting mechanism;
the lifting roller support frame is used for supporting and conveying silicon crystal bars;
the floating support mechanism can be close to the lower mounting base plate to move and further approach to and prop up with the side wall of the silicon crystal bar, and the floating support mechanism is used for being matched with the upper pressing mechanism to clamp and position the silicon crystal bar.
Different from the prior art, the technical scheme has the following advantages: the utility model relates to a pressing seat, a cutting mechanism and a cutting device for a silicon crystal bar cutting device, wherein the pressing seat comprises a fixed seat plate and a lower mounting seat plate. The silicon crystal bar stock is firstly placed on the lifting roller supporting frame, the silicon crystal bar stock is conveyed to a designated position along the roller supporting piece, and the silicon crystal bar stock is clamped by the cooperation of the pressing seat pressed downwards and the floating supporting mechanism lifted upwards. In this scheme, the setting that compresses tightly the seat can guarantee that silicon crystal bar centre gripping is reliable and stable when using the ascending support of supporting mechanism that floats, position offset can not appear in the silicon crystal bar centre gripping, and cutting accuracy is high, of high quality, and the structure that compresses tightly the seat has simplified the assembly process degree of difficulty, adopts the universal joint axle to have also reduced the requirement to the part precision and has reduced the assembly degree of difficulty.
Drawings
FIG. 1 is a schematic diagram showing the positional relationship between an upper pressing mechanism for a silicon crystal bar cutting apparatus according to the present invention and a silicon crystal bar cutting machine;
fig. 2 is a schematic front view of the silicon crystal bar cutting device according to an embodiment of the present invention when the upper pressing mechanism abuts against the silicon crystal bar;
fig. 3 shows an upper pressing device for a silicon ingot cutting device according to the present invention.
Description of reference numerals:
1. a cutter frame;
2. an upper pressing mechanism;
3. a pressing seat;
31. fixing the seat plate;
32. a seat plate is arranged below;
4. a compression block;
5. a limiting component;
51. a slide shaft;
52. a sliding sleeve;
6. a telescopic pressing member;
7. a knuckle bearing;
9. lifting roller support frames;
10. a floating support mechanism.
Detailed Description
To explain technical contents, structural features, and objects and effects of the technical solutions in detail, the following detailed description is given with reference to the accompanying drawings in conjunction with the embodiments.
In the description of the present application, it is to be noted that, unless otherwise specified, "a plurality" means two or more; the terms "upper," "lower," "left," "right," "inner," "outer," and the like, indicate an orientation or positional relationship that is merely for convenience in describing the application and to simplify the description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the application. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. "vertical" is not strictly vertical, but is within the tolerance of the error. "parallel" is not strictly parallel but within the tolerance of the error.
In the description of the present application, it is also to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present application can be understood as appropriate by one of ordinary skill in the art.
Referring to fig. 1 to 3 together, the present invention provides an upper pressing mechanism 2 for a silicon crystal bar cutting device, the upper pressing mechanism 2 is disposed in the middle of the cutting machine frame 1, and when a silicon crystal bar is conveyed to the cutting mechanism by the lifting roller support frame 9 for cutting, the upper pressing mechanism 2 can cooperate with the floating support mechanism 10 to press the silicon crystal bar. Go up the supplementary supporting mechanism 10 that floats that hold-down mechanism 2 can be better and stabilize silicon crystal bar, prevent to place the not adaptation of the ejecting force of supporting mechanism 10 and cause silicon crystal bar not press from both sides tightly or the skew appears, rock when reducing the cutting to and when 9 decline of lift roller support frame or cutting, the silicon crystal bar condition such as rock appears. Specifically, the upper pressing mechanism 2 comprises a pressing seat 3 and a telescopic pressing piece 6;
the pressing seat 3 comprises a fixed seat plate 31 and a lower mounting seat plate 32;
fixed bedplate 31 and cutting machine frame 1 fixed connection, fixed bedplate 31 is used for going up the assembly between hold-down mechanism 2 and cutting device's other subassemblies fixed, also plays the effect to the location of flexible hold-down member 6 simultaneously. Be provided with one on the concrete fixed seat board 31 and stretch out and draw back the through-hole that compresses tightly 6 diameter size looks adaptations, stretch out and draw back and compress tightly 6 and pass the through-hole, the flexible other end that compresses tightly 6 of colleague is connected with installation bedplate 32 down, and fixed seat board 31 sets up with installation bedplate 32 down relatively, and the flexible bedplate 32 reciprocating motion that compresses tightly can drive down, even installation bedplate 32 keeps away from or is close fixed seat board 31 and removes down, specifically moves along H or L direction. Since the fixed seat plate 31 is fixedly assembled with other components of the cutting device, and the telescopic pressing member 6 is arranged through the through hole on the fixed seat plate 31, the movement of the telescopic pressing member 6 is limited to be required to pass through the through hole, and the silicon crystal bar stock to be cut is aligned and placed below the through hole or the fixed seat plate 31, so that the accuracy of the pressing position of the upper pressing mechanism 2 on the silicon crystal bar stock can be improved, and the stability can be improved better;
The telescopic pressing piece 6 is used for supporting and limiting from the upper part when silicon crystal bars are clamped, and the situation that the silicon crystal bars are not clamped tightly due to the fact that the jacking force of the floating supporting mechanism 10 below is too large and the silicon crystal bars are deflected or the jacking force is too small is avoided. The upper pressing mechanism 2 for the silicon crystal bar cutting device comprises a pressing base 3 and a telescopic pressing piece 6. In an initial state, the lower mounting base plate 32 is at the highest position under the action of the telescopic pressing member 6, at the moment, silicon crystal bars are placed on the lifting roller support frame 9, the silicon crystal bars are conveyed to a specified position along the lifting roller support frame 9 to be cut, the lower mounting base plate 32 cannot cause interference on conveying of the silicon crystal bars, then the telescopic pressing member 6 pushes out and pushes the lower mounting base plate 32 to enable the lower mounting base plate 32 to hold the silicon crystal bars along with the telescopic pressing member 6, the lower mounting base plate continues to push out until the silicon crystal bars are reliably clamped, then the floating support mechanisms 10 in the cutting device push out upwards, all the floating support mechanisms 10 can be provided with a larger ejection pressure, so that reliable contact between the silicon crystal bars and the ejection support surfaces of the floating support mechanisms 10 is ensured, the silicon crystal bars cannot move under the upper pressing mechanism 2, thereby achieving reliable clamping positioning. And the silicon crystal bar stock is limited by the positions of the upper pressing mechanism 2 and the lower floating support mechanism 10, if the lifting roller support frame 9 needs to move down the roller group to avoid the position of the cutting line, the silicon crystal bar stock cannot be deflected in the downward moving process, and the effective clamping of the silicon crystal bar stock is ensured. In this scheme, go up hold-down mechanism 2's setting and can guarantee that silicon crystal bar centre gripping is reliable and stable when using the ascending support of supporting mechanism 10 that floats, position deviation can not appear in silicon crystal bar centre gripping, and cutting accuracy is high, of high quality.
Referring to fig. 3, as a preferred embodiment of the present invention, the upper pressing mechanism 2 further includes a limiting component 5, and the limiting component 5 is used for limiting the movement tracks of the telescopic pressing member 6 and the lower mounting seat plate 32, so as to ensure the smooth movement of the lower mounting seat plate 32 and to make the structure of the pressing seat 3 stable. Specifically, the limiting assembly 5 includes a sliding shaft 51 and a sliding sleeve 52, the sliding sleeve 52 is fixedly disposed on the fixed seat plate 31, one end of the sliding shaft 51 is connected to the lower mounting seat plate 32, the other end of the sliding shaft 51 penetrates through the sliding sleeve 52, and a through hole for the sliding shaft 51 to penetrate through is disposed on the fixed seat plate 31. In the specific embodiment shown in fig. 1 and 2, the four limiting assemblies 5 are provided, and the four limiting assemblies 5 are uniformly distributed on the periphery of the telescopic pressing member 6, so that the lower mounting seat plate 32 has higher motion stability, and the pressing seat 3 has better structural strength.
In the embodiment shown in fig. 1 and 2, the upper pressing mechanism 2 further includes a pressing block 4, the pressing block 4 is disposed on one side of the lower mounting base plate 32 close to the silicon crystal ingot, and the pressing block 4 can be pressed against the side wall of the silicon crystal ingot under the driving of the telescopic pressing member 6. Come to lean on the contact with the lateral wall of silicon crystal bar stock through compact heap 4, compress tightly the effect better. Meanwhile, specific materials such as nylon or rubber of the pressing block 4 are selected, so that the pressing block 4 can be prevented from being damaged when the silicon crystal bar material is pressed. In a preferred embodiment, the telescopic compressing member 6 further comprises a protecting cover, and the protecting cover is sleeved on the telescopic section to achieve waterproof and dustproof effects.
Referring to fig. 3, in the specific embodiment, the upper pressing mechanism 2 further includes a joint bearing 7, and the lower mounting seat plate 32 is connected to the telescopic pressing member 6 through the joint bearing 7. Preferably, the joint bearing 7 may be a universal joint bearing, and the universal joint bearing may be a mechanical structure that realizes power transmission of different shafts by means of ball-type connection, and may reduce the machining precision of each movable member, thereby improving the manufacturing economy.
In a specific embodiment, the telescopic pressing member 6 is one of an electric cylinder, an air cylinder, a hydraulic cylinder or an electric push rod, the linear reciprocating device can realize the top tightening of the upper end of the silicon crystal bar, and a user can select the device according to needs. Preferably, the telescopic pressing piece 6 is an electric cylinder, the electric cylinder is a modular product with a servo motor and a lead screw integrally designed, the rotary motion of the servo motor is converted into linear motion, and the control process is simple and the result is accurate.
The utility model further provides a cutting mechanism for the silicon crystal bar cutting device, which comprises an annular wire saw cutting unit, a cutter frame 1 and an upper pressing mechanism 2, wherein the upper pressing mechanism 2 is fixed on the outer shell of the annular wire saw cutting unit, and the upper pressing mechanism 2 is positioned in the middle of the cutter frame 1. The cutting mechanism has the functions of cutting silicon crystal bars and tightly pushing the silicon crystal bars, can effectively ensure the cutting precision of the silicon crystal bars, and has high quality of processed products. When annular scroll saw cutting unit contacted with silicon crystal bar, high-speed diamond cutting line carried out the cutting of silicon crystal bar, will go up hold-down mechanism 2 set up in annular scroll saw cutting unit sets up more simply, and the structure is more reasonable, is convenient for accomplish the counterpoint of hold-down mechanism 2 and silicon crystal bar.
As a preferred embodiment of the present invention, the upper pressing mechanism 2 further includes a sliding seat, the sliding seat is disposed on the outer casing of the circular wire saw cutting unit, and the telescopic pressing member 6 is slidably disposed in the sliding seat. The setting of slide is in order to play the limiting displacement to the flexible section of flexible pressing member 6, prevents that flexible pressing member 6 from appearing rocking, and the influence is tight to the clamp of silicon crystal bar.
In the preferred embodiment shown in fig. 2, the utility model further provides a silicon crystal bar stock cutting device, which comprises a lifting roller support frame 9, a floating support mechanism 10 and a cutting mechanism, wherein the cutting mechanism is provided with a cutting machine frame 1. Silicon crystal bar stock is firstly placed on the lifting roller supporting frame 9, the silicon crystal bar stock is conveyed to a designated position along the lifting roller supporting frame 9, then the silicon crystal bar stock is compressed above the silicon crystal bar stock by the upper compressing mechanism 2 in the middle of the cutting machine frame 1, then the floating supporting mechanism 10 is upwards ejected, all the floating supporting mechanisms can be set with larger ejection pressure at the moment, so that the reliable contact between the silicon crystal bar stock and the ejection supporting surface of the floating supporting mechanism 10 is ensured, the silicon crystal bar stock cannot move under the jacking of the upper compressing mechanism, and the reliable clamping and positioning are realized. And the silicon crystal bar stock is limited by the positions of the upper pressing mechanism 2 and the lower floating support mechanism 10, if the lifting roller support frame 9 needs to move down the roller group to avoid the position of the cutting line, the silicon crystal bar stock cannot be deflected in the downward moving process, and the effective clamping of the silicon crystal bar stock is ensured. And finally, the upper pressing mechanism 2 in the middle of the cutting machine frame 1 is retracted, and the annular wire saw cutting unit performs cutting work to finish the processing of the silicon crystal bar. In this scheme, go up hold-down mechanism 2's setting and can guarantee that silicon crystal bar centre gripping is reliable and stable when using the ascending support of supporting mechanism 10 that floats, position deviation can not appear in silicon crystal bar centre gripping, and cutting accuracy is high, of high quality.
It should be noted that, although the above embodiments have been described herein, the scope of the present invention is not limited thereby. Therefore, based on the innovative concepts of the present invention, the technical solutions of the present invention can be directly or indirectly applied to other related technical fields by making changes and modifications to the embodiments described herein, or by using equivalent structures or equivalent processes performed in the content of the present specification and the attached drawings, which are included in the scope of the present invention.
Claims (9)
1. An upper pressing mechanism for a silicon crystal bar cutting device is characterized by comprising a pressing seat and a telescopic pressing piece;
the pressing seat comprises a fixed seat plate and a lower installation seat plate, and the fixed seat plate and the lower installation seat plate are oppositely arranged;
the fixed seat plate is fixedly arranged;
the telescopic pressing piece penetrates through the fixed base plate and is connected with the lower mounting base plate, and the telescopic pressing piece can be stretched to drive the lower mounting base plate to move in a reciprocating mode;
the lower mounting seat plate can be close to the side wall of the silicon crystal bar stock to be compressed.
2. The upper pressing mechanism for silicon crystal ingot cutting device according to claim 1, wherein a pressing block is provided on the lower mounting seat plate, and the lower mounting seat plate is pressed against the silicon crystal ingot by the pressing block.
3. The upper pressing mechanism for silicon crystal bar cutting device according to claim 1, wherein said upper pressing mechanism further comprises a limit component, said limit component comprises a sliding shaft and a sliding sleeve,
the sliding sleeve is fixedly arranged on the fixed seat plate;
one end of the sliding shaft is connected with the lower mounting seat plate, the other end of the sliding shaft penetrates through the sliding sleeve, and a through hole for the sliding shaft to penetrate through is formed in the fixed seat plate.
4. The upper pressing mechanism for silicon crystal bar cutting device according to claim 3, wherein there are more than two said limiting assemblies, and said limiting assemblies are uniformly arranged on the periphery of said telescopic pressing member.
5. The upper pressing mechanism for silicon crystal ingot cutting device according to claim 1, wherein said upper pressing mechanism further comprises a knuckle bearing, and said telescopic pressing member is connected to said lower mounting base plate through said knuckle bearing.
6. The upper pressing mechanism for silicon crystal ingot cutting apparatus as set forth in claim 5, wherein the knuckle bearing is a universal joint bearing.
7. The upper pressing mechanism for silicon crystal ingot cutting device according to claim 1, wherein the telescopic pressing member is a cylinder, an oil cylinder or a linear motor.
8. A cutting mechanism of a silicon crystal bar cutting device, the cutting mechanism comprises a circular wire saw cutting unit and an upper pressing mechanism, and is characterized in that the upper pressing mechanism is the upper pressing mechanism according to any one of claims 1 to 6, the upper pressing mechanism is fixed on a cutting rack of the circular wire saw cutting unit, and the upper pressing mechanism is located in the middle of the cutting rack of the circular wire saw cutting unit.
9. A silicon crystal bar stock cutting device comprises a lifting roller support frame, a floating support mechanism and a cutting mechanism, and is characterized in that the cutting mechanism is the cutting mechanism as claimed in claim 8, and the lifting roller support frame and the floating support mechanism are arranged on one side close to a cutting station on the cutting mechanism;
the lifting roller support frame is used for supporting and conveying silicon crystal bars;
the floating support mechanism can be close to the lower mounting base plate to move and further approach to and prop up with the side wall of the silicon crystal bar, and the floating support mechanism is used for being matched with the upper pressing mechanism to clamp and position the silicon crystal bar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121131135.3U CN216968294U (en) | 2021-05-25 | 2021-05-25 | Upper pressing mechanism for silicon crystal bar cutting device, cutting mechanism and cutting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121131135.3U CN216968294U (en) | 2021-05-25 | 2021-05-25 | Upper pressing mechanism for silicon crystal bar cutting device, cutting mechanism and cutting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216968294U true CN216968294U (en) | 2022-07-15 |
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ID=82338770
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121131135.3U Active CN216968294U (en) | 2021-05-25 | 2021-05-25 | Upper pressing mechanism for silicon crystal bar cutting device, cutting mechanism and cutting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216968294U (en) |
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2021
- 2021-05-25 CN CN202121131135.3U patent/CN216968294U/en active Active
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