Cutting component for wire saw, wire saw and slicing machine

Abstract

The utility model relates to the field of cutting of high-hardness and brittle materials, particularly provides a cutting part for a fret saw, the fret saw and a slicing machine, and aims to further solve the problem that the tensile force detection is not timely enough in the scheme provided by the utility model. In order to achieve the purpose, the cutting component at least comprises a first main roller, a second main roller and a third main roller, a polygon is defined by rotating shafts of all the main rollers, and the cutting component further comprises a cutting line arranged on the outer side of the polygon in a winding mode. The third main roller is arranged to change the perimeter of the polygon; the cutting component further comprises an adjusting assembly, the adjusting assembly comprises an adjusting sleeve, an eccentric shaft and a mounting seat, the transmission mechanism further comprises a base, and a pressure sensor is further arranged between the mounting seat and the base. According to the technical scheme, the tensioning force of the cutting line can be obtained based on the numerical value of the sensor, and real-time monitoring over the cutting line is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of cutting highly hard and brittle materials, and specifically provides a cutting component for a wire saw, a wire saw and a slicer. Background Art

[0002] Wire saws, as machines for cutting silicon wafers, are widely used in the field of cutting technology for hard and brittle materials. Their main working principle is to pull the cutting wire back and forth so that the cutting wire moves back and forth at high speed between the main rollers, thereby cutting the hard and brittle material objects to be processed into required shapes, such as cutting silicon rods into silicon wafers. The working principle here is well documented in the prior art and will not be elaborated on in detail.

[0003] During the cutting process of the wire saw, the main roller is pre-adjusted in position according to different objects to be processed. At least two main rollers form a cutting wire net, which does not move during the cutting process to ensure stable cutting. In order to adjust the tension of the cutting wire, a tension wheel is usually arranged on the line between the pay-off roller and the main roller. However, the tension wheel here is far away from the cutting chamber, and it only tensions one point of the cutting wire. After it is tensioned or relaxed, it needs to pass through the running of the cutting wire and slowly transfer to the cutting wire net formed by winding the cutting wire for multiple turns, so as to adjust the wire bow of the cutting wire net. However, this adjustment method has a certain delay, resulting in untimely adjustment of the wire bow, and the processing efficiency still needs to be improved.

[0004] Based on the above background, the utility model proposes a new cutting component, which realizes timely adjustment of the wire bow by setting an adjustable third main roller. However, during the adjustment process of the third main roller, the technical problem of insufficient timely monitoring of the tension of the cutting line is still reflected.

[0005] Accordingly, the art needs a new cutting component for a wire saw, a wire saw and a slicer to solve the above-mentioned technical problems. It should be noted that the content described in the background technology does not completely belong to the prior art. The utility model proposes a more preferred solution based on a new design solution. Utility Model Content

[0006] The utility model aims to solve the above technical problems.

[0007] In a first aspect, the utility model provides a cutting component for a wire saw, the cutting component comprising at least a first main roller, a second main roller and a third main roller, the rotating axes of all the main rollers enclosing a polygon, the cutting component further comprising a cutting line arranged around the outside of the polygon; the cutting line between the first main roller and the second main roller forms a cutting line net for cutting an object; the cutting component further comprises an adjustment sleeve, an eccentric shaft, a mounting seat and a base, the adjustment sleeve is provided with a main roller mounting hole and an adjustment hole, the third main roller is arranged in the main roller mounting hole, the end of the eccentric shaft is rotatably arranged on the mounting seat, and the eccentric area of ​​the eccentric shaft is arranged in the adjustment hole, so that when the eccentric shaft rotates, it can drive the adjustment sleeve to move, thereby driving the third main roller to move, so as to change the circumference of the polygon and thereby change the tension of the cutting line net; the mounting seat is arranged on the base, and a pressure sensor is arranged between the mounting seat and the base.

[0008] In the above preferred technical solution of the cutting component for the wire saw, the cutting component further comprises a driving mechanism and a transmission wheel, the transmission wheel is arranged on the eccentric shaft, and the driving mechanism is drivingly connected to the transmission wheel.

[0009] In the above preferred technical solution of the cutting component for the wire saw, the adjusting sleeve is provided with two adjusting holes, and correspondingly, the eccentric shaft and the transmission wheel are also provided with two.

[0010] In the above preferred technical solution of the cutting component for the wire saw, two pressure sensors are arranged between the mounting seat and the base.

[0011] In the above preferred technical solution of the cutting component for the wire saw, an adjustment sleeve is respectively provided at both ends of the third main roller, and correspondingly, four pressure sensors are provided.

[0012] In the above preferred technical solution of the cutting component for a wire saw, the pressure sensor is arranged directly below the eccentric shaft.

[0013] In the above preferred technical solution of the cutting component for the wire saw, a first fixing block is further provided on the adjustment sleeve, a threaded hole is provided on the first fixing block, and a first adjusting bolt is provided in the threaded hole.

[0014] In the above-mentioned preferred technical solution of the cutting component for the wire saw, the driving mechanism is connected to the transmission wheel through a belt drive, and the adjustment component is also provided with a tensioning wheel, which is arranged between the two transmission wheels and is configured to be able to adjust the tension of the belt.

[0015] In the above preferred technical solution of the cutting component for a wire saw, the tensioning wheel and the driving mechanism are both configured to be adjustable in the vertical direction.

[0016] A sensor is also provided between the mounting seat and the base. Preferably, the sensor is a pressure sensor and is provided directly below the eccentric shaft. At this time, the sensor value can be used to determine whether the left and right sides of the eccentric shaft are balanced during the assembly process, and real-time monitoring can be performed during the operation process to avoid the situation of forced startup due to unevenness, thereby ensuring the safety of the product. The sensor can also be used as one of the data for obtaining the tension of the cutting line. With such a configuration, when the product is in the assembly process, the accurate installation of the adjustment sleeve and the eccentric shaft can be accurately guaranteed, and the normal operation trajectory of the adjustment sleeve will not be affected if the adjustment sleeve is removed during the use of the product. The utility model can calculate the tension T of the cutting line based on the force balance formula based on the pressure sensors N1, N2, N3, N4, the angle α between the cutting line at the third main roller and the vertical direction, and the gravity G of the third main roller through the force balance of the third main roller.

[0017] The utility model also provides a wire saw, which comprises a tension mechanism and a wire-retracting and -releasing mechanism, and a cutting component for the wire saw according to any one of the above technical solutions.

[0018] The utility model also provides a slicer, which comprises a feeding mechanism and a cutting component for a wire saw according to any one of the above technical solutions.

[0019] Among them, the tension mechanism, the wire-retracting mechanism, and the feeding mechanism are several conventional mechanisms of the slicer in the prior art and will not be elaborated in detail. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] The preferred embodiments of the present invention are described below in conjunction with the accompanying drawings, in which:

[0021] Figure 1 It is a schematic diagram of the overall structure of the cutting component of the wire saw of the utility model;

[0022] Figure 2a It is a schematic diagram of the state of the object to be processed when the wire mesh is cut before processing;

[0023] Figure 2b It is a schematic diagram of the state of the object to be processed when cutting the wire mesh;

[0024] Figure 3 It is a schematic diagram of the installation structure of the third main roller of the cutting part of the wire saw of the utility model and the eccentric shaft rotation scheme of the cutting frame;

[0025] Figure 4 It is a structural schematic diagram of the third main roller and the adjustment assembly of the utility model;

[0026] Figure 5 It is a schematic diagram of the connection relationship between the motor base, the adjustment sleeve and the connecting sleeve of the utility model;

[0027] Figure 6 It is a schematic diagram of the overall structure of the connecting sleeve of the utility model;

[0028] Figure 7 It is a structural schematic diagram of the adjustment sleeve of the utility model;

[0029] Figure 8 It is a structural schematic diagram of the eccentric shaft of the utility model;

[0030] Fig. 9 It is a structural schematic diagram of the mounting ear of the utility model;

[0031] Fig.10 It is a schematic diagram of the overall structure of a side adjustment assembly of the third main roller of the utility model;

[0032] Fig.11 It is a schematic diagram of the driving mechanism of the eccentric shaft of the utility model;

[0033] Fig.12 It is a structural schematic diagram of the tensioning wheel of the mounting seat and the position adjustment part of the first motor of the utility model;

[0034] Fig.13 It is a structural schematic diagram of the position adjustment part of the first motor of the mounting seat of the utility model;

[0035] Fig.14a It is the state 1 of the eccentric shaft of the utility model after rotation;

[0036] Fig.14b This is the second state of the eccentric shaft of the utility model after rotation;

[0037] Fig.15 It is a schematic diagram of two different positions of the eccentric shaft of the utility model when rotating;

[0038] Fig.16 It is a schematic diagram of the overall structure of the auxiliary tooling of the utility model;

[0039] Fig.17 It is a top view of the auxiliary tooling of the utility model;

[0040] Fig.18 yes Fig.17 Sectional view at AA in the middle;

[0041] Fig.19 It is a structural schematic diagram of the support rod of the utility model;

[0042] Fig. 20It is a schematic diagram of the sealing position of the cutting frame and the adjusting sleeve of the utility model;

[0043] Fig.21 It is a structural schematic diagram of the elastic sealing sheath of the utility model;

[0044] Fig. 22 It is a schematic diagram of the installation position of the elastic sealing sheath of the utility model;

[0045] Fig.23 It is a schematic diagram of the installation structure of the lifting scheme of the linear motion mechanism of the cutting part of the wire saw of the utility model;

[0046] Fig.24 It is a structural schematic diagram of the linear motion mechanism of the utility model;

[0047] Fig.25 It is a schematic diagram of the cutting line state of the cutting line of the utility model in the process of cutting the object to be processed;

[0048] Fig.26 It is a schematic diagram of the force of the third main roller of the utility model;

[0049] Fig. 27 It is a schematic diagram of the force direction of the tensioning force of the cutting line of the utility model;

[0050] Fig.28 The process of the control method of the utility model is Figure 1 ;

[0051] Fig.29 It is the second flow chart of the control method of the utility model;

[0052] Fig.30 It is a schematic diagram of the overall structure of the slicer of the utility model.

[0053] List of reference numerals:

[0054] 1- first main roller;

[0055] 2- second main roller;

[0056] 3-third main roller; 31-second motor; 311-motor seat;

[0057] 4-Polygon;

[0058] 5-cutting wire; 51-cutting wire net;

[0059] 6-Adjustment components;

[0060] 61-installation mechanism; 611-adjustment sleeve; 6111-main roller installation hole; 6112-adjustment hole; 6113-first fixing block; 6114-plane installation groove;

[0061] 62-driving mechanism; 621-first motor;

[0062] 63- transmission mechanism;

[0063] 631-eccentric shaft;

[0064] 632-Mounting seat;

[0065] 6321-mounting base; 63211-first fixing platform; 63212-second fixing platform; 63213-first long strip hole; 63214-second long strip hole;

[0066] 6322-first fixing plate; 63221-first supporting platform;

[0067] 6323-second fixing plate; 63231-second supporting platform;

[0068] 6324-second fixing block;

[0069] 6325-first adjusting bolt;

[0070] 6326-second adjusting bolt;

[0071] 6327-third adjusting bolt;

[0072] 6328-Mounting ear; 63281-Left ear; 632811-Mounting step; 63282-Right ear;

[0073] 633-transmission wheel;

[0074] 634-tensioning wheel;

[0075] 635-base;

[0076] 636 connecting sleeve;

[0077] 6361-first end ring;

[0078] 6362 - second end ring;

[0079] 6363-Connection plate;

[0080] 63631-clip groove; 636311-plug hole;

[0081] 63632-supporting plane;

[0082] 637- auxiliary tooling;

[0083] 6371-support body; 63711; support surface; 63712-socket; 63713-inclined mounting surface; 63714-pad; 63715-locking screw;

[0084] 6372-connecting part; 63721-support rod; 637211-annular groove;

[0085] 638-pressure sensor;

[0086] 639-Linear motion mechanism; 6391-Screw lift;

[0087] 7- Symmetry plane;

[0088] 8-cutting frame; 81-through hole;

[0089] 9- elastic sealing sheath;

[0090] 91- elastic shield;

[0091] 92-Install the fixing plate;

[0092] 93-clamp;

[0093] 10-wire roller;

[0094] 11- Guide wheel. DETAILED DESCRIPTION

[0095] The preferred embodiments of the present invention are described below with reference to the accompanying drawings. It should be understood by those skilled in the art that these embodiments are only used to explain the technical principles of the present invention and are not intended to limit the scope of protection of the present invention. Those skilled in the art can make adjustments to them as needed to adapt to specific application scenarios.

[0096] It should be noted that in the description of the present invention, the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicating directions or positional relationships are based on the directions or positional relationships shown in the drawings, which are only for the convenience of description, and do not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0097] In addition, it should be noted that in the description of the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a direct connection, or an indirect connection through an intermediate medium, or it can be the internal communication of two components. For those skilled in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0098] A possible embodiment of the utility model is described in detail below with reference to the accompanying drawings.

[0099] like Figure 1 As shown in FIG2 , the wire saw includes a cutting component, which includes a first main roller 1, a second main roller 2 and a third main roller 3. Preferably, the three main rollers are arranged in parallel, and a polygon 4 surrounded by the rotation axes of all the main rollers can be obtained on a plane intersecting the center lines of the first main roller 1, the second main roller 2 and the third main roller 3. The embodiment shows a scheme with three main rollers, and the polygon 4 is a triangle accordingly. A cutting line 5 is also arranged around the outside of the three main rollers, wherein the cutting line 5 between the first main roller 1 and the second main roller 2 is surrounded by multiple circles to form a cutting line net 51 for cutting the object to be processed. The third main roller 3 is arranged below the first main roller 1 and the second main roller 2, and can move during the process of the cutting line net 51 cutting the object, thereby changing the perimeter of the polygon 4. Preferably, it can move up and down, or move left and right, or move along a set trajectory, etc., and its moving direction is not specifically limited. Of course, the three parallels here are not absolute parallels. For example, the third main roller may need to form a certain deflection based on other requirements, such as a small deflection angle within 10°. The three main rollers can also form three intersections on a plane, and finally form a polygon. This simple offset deformation scheme is also within the protection scope of the present utility model.

[0100] The utility model adds a third main roller 3 on the basis that the first main roller 1 and the second main roller 2 are used to support the cutting wire net 51 and are fixed to ensure the stability of the wire net cutting, and the third main roller 3 is adjustable, so that a polygon 4 surrounded by the rotation axes of all the main rollers can be obtained on a plane intersecting the center lines of the first main roller 1, the second main roller 2, and the third main roller 3. In the embodiment of the utility model, the three main rollers surround a triangle (as shown in Figure 2), and correspondingly there can be four, five or more main rollers. For the convenience of description, three main rollers are used as an example for explanation. By adjusting the third main roller 3, the length of the polygon 4 is changed. At this time, the tension of the cutting wire 5 changes, and the wire bow of the cutting wire net 51 between the first main roller 1 and the second main roller 2 also changes accordingly, wherein the attached Fig.25 The angle β is the angle between the cutting line and the horizontal line, and the distance between the two dotted lines is the wire bow. Since the utility model is adjusted directly in the cutting area, it is a direct linkage, and can change the wire bow of the cutting wire net 51 very quickly, and the overall delay is very small. In addition, since the third main roller 3 also has multiple positions in contact with the cutting line 5, there are usually as many contact positions as the number of turns. The numerous contact positions also make the utility model faster than the prior art that only uses the tension wheel for adjustment. The smooth adjustment of the wire bow also greatly reduces the overall risk of wire breakage and slot derailment, making the cutting of the cutting line 5 more stable and the obtained silicon wafers higher in quality.

[0101] A possible implementation of how to achieve the movement of the third main roller 3 will be described in detail below with reference to the accompanying drawings.

[0102] The cutting component of the utility model also includes an adjusting component 6, which includes a mounting mechanism 61, a driving mechanism 62 and a transmission mechanism 63. The transmission mechanism 63 is arranged between the driving mechanism 62 and the mounting mechanism 61. Bearing boxes are arranged on both sides of the third main roller 3, which are indirectly arranged in the mounting mechanism 61 through the bearing boxes. The transmission mechanism 63 is arranged to be able to drive the mounting mechanism 61 to move under the drive of the driving mechanism 62, thereby driving the third main roller 3 to move.

[0103] Specifically, Figures 3 to 10 As shown, the mounting mechanism 61 includes an adjustment sleeve 611, in which a main roller mounting hole 6111 and an adjustment hole 6112 are provided, and the third main roller 3 is provided in the main roller mounting hole 6111. The adjustment sleeve 611 is provided at both ends of the main roller and can move, and the third main roller 3 is driven to move in a set direction by the movement of the adjustment sleeve 611. In order to ensure the synchronous movement of both sides of the third main roller 3, a set of driving mechanism 62 and transmission mechanism 63 are provided on both sides, and a connecting sleeve 636 is also provided between the two adjustment sleeves 611. The two adjustment sleeves 611 are connected into a whole through the connecting sleeve 636, which can offset the slight deviation of the two adjustment sleeves 611 in the synchronous movement, improve the position accuracy of the two adjustment sleeves 611, and make the position of the third main roller 3 more controllable.

[0104] The adjusting sleeve 611 has two symmetrically arranged adjusting holes 6112, preferably symmetrically arranged along a symmetry plane 7 (in FIG. 14 ), and an eccentric shaft 631 is arranged in each adjusting hole 6112. The eccentric part of the eccentric shaft 631 is arranged in the adjusting hole 6112. By rotating the eccentric shaft 631, the adjusting sleeve 611 can be dragged to move along the set trajectory, and finally the third main roller 3 is driven to move along the set trajectory, so as to realize the Fig.15 way of movement.

[0105] Refer to the following Figures 7 to 13 , a possible specific implementation method of driving the eccentric shaft 631 to rotate is expanded.

[0106] like Fig. 9 , Fig.10 , Fig.11As shown, the transmission mechanism 63 also includes a mounting seat 632 and two transmission wheels 633. A mounting ear 6328 is arranged on the mounting base 6321 of the mounting seat 632. The two ends of the eccentric shaft 631 can be rotatably arranged in the mounting ears 6328 to realize the eccentric rotation of the middle part of the eccentric shaft 631. The transmission wheel 633 is connected to the eccentric shaft 631. The driving mechanism 62 includes a first motor 621. The first motor 621 is drivingly connected to the two transmission wheels 633, such as a gear connection, etc., preferably connected by a belt, and is configured to drive the two transmission wheels 633 to move synchronously. In this way, after the motor is started, the two transmission wheels 633 are driven to rotate synchronously through the belt, and the eccentric shafts 631 on both sides rotate synchronously accordingly, so that the entire adjustment sleeve 611 moves along the set trajectory, and the third main roller 3 moves along the set trajectory.

[0107] The specific structure of the mounting ear 6328 is as follows: Fig. 9 , Fig.10 As shown, two eccentric shafts 631 are arranged on each adjustment sleeve 611, and two mounting ears 6328 are arranged on both sides of each eccentric shaft 631. The mounting ears 6328 are split mounting ears, and the dividing line of the split mounting ears is arranged in the vertical direction so that the mounting ears 6328 are divided into two halves, a left ear 63281 and a right ear 63282. The left ear 63281 is fixedly arranged on the mounting seat 632, and the right ear 63282 is detachably arranged on the left ear 63281, and of course it can also be arranged on the mounting seat 632 (this modified embodiment is not shown in the figure), and a mounting step 632811 is also arranged on the left ear 63281, and the right ear 63282 is detachably arranged on the mounting step 632811.

[0108] This arrangement means that only one first motor 621 is needed for the two eccentric shafts 631 on one side of the third main roller 3 to achieve synchronous movement of the two eccentric shafts 631. In addition, the split design of the mounting ear 6328, especially the left and right split design, can make the eccentric shaft 631 easy to install. After the entire eccentric shaft 631 is in place, it is directly locked by the right ear 63282, which significantly improves installation efficiency, saves work hours, and reduces product production costs.

[0109] It can be seen from the above structural setting that if the initial positions of the two eccentric shafts 631 in an adjustment sleeve 611 are not uniform, or the movement direction and angular velocity of the movement are not synchronized, the entire adjustment sleeve 611 will no longer be able to move along the set trajectory, thereby causing damage to the eccentric shaft 631 or the adjustment sleeve 611, and ultimately causing the machine to be unable to operate normally. Therefore, how to make the two eccentric shafts 631 run synchronously is also the focus of this specific implementation method of the utility model.

[0110] In order to realize the synchronous movement of the two eccentric shafts 631, the utility model starts from two perspectives and designs relevant structures to realize the synchronization of the two eccentric shafts 631. The following will expand on these two aspects in turn.

[0111] First, the parallelism and symmetry of the eccentric shaft 631 during installation. In order to ensure that the eccentric shaft 631 can completely reach the preset position at the beginning, it is necessary to accurately adjust the position of the adjustment sleeve 611. However, the adjustment sleeve 611 is only supported by the eccentric shaft 631 and cannot achieve accurate adjustment. Based on this, Figure 7 , Fig.10 As shown, a reference adjustment structure is designed to adjust the distance between the adjustment sleeve 611 and the base 635 during the assembly process of the adjustment sleeve 611, thereby adjusting the initial position of the adjustment sleeve 611. The reference adjustment structure includes a first fixing block 6113, a second fixing block 6324 and a first adjusting bolt 6325. Preferably, the first fixing block 6113 and the second fixing block 6324 are both metal blocks. The mounting seat 632 is arranged on the base 635, and the T-shaped second fixing block 6324 is detachably arranged on the base 635 by screws (the second fixing block 6324 can also be The first fixing block 6113 is directly arranged on the mounting seat 632, which is not shown in the figure), and the adjustment sleeve 611 is provided with a plane mounting groove 6114 accordingly. The first fixing block 6113 is detachably arranged in the plane mounting groove 6114 by means of screws. The first fixing block 6113 is provided with a threaded hole. The first adjusting bolt 6325 is arranged in the threaded hole and can abut against the second fixing block 6324. Of course, a simple deformation of the first adjusting bolt 6325 being arranged on the second fixing block 6324 and abutting against the first fixing block 6113 is also within the protection scope of the present utility model. The two sets of reference adjustment structures are symmetrically arranged on both sides of the adjustment sleeve 611. In the process of installing the eccentric shaft 631, the two sides of the adjustment sleeve 611 are first adjusted to be completely horizontal by the first adjusting screw, that is, the two adjusting holes 6112 are on the same horizontal plane, and then the eccentric shaft 631 is installed, so that the rotation centers of the eccentric shaft 631 are also parallel to each other and on the same horizontal plane. In particular, a sensor is also provided between the mounting seat 632 and the base 635. Preferably, the sensor is a pressure sensor 638, and is provided directly below the eccentric shaft 631. At this time, the sensor value can be used to determine whether the left and right sides of the eccentric shaft 631 are balanced during the assembly process, and real-time monitoring can be performed during the operation process to avoid the situation of forced startup due to unevenness, ensure the safety of the product, and can also be used as one of the data for obtaining the tension of the cutting line 5. With such a configuration, when the product is in the assembly process, the accurate installation of the adjustment sleeve 611 and the eccentric shaft 631 can be accurately guaranteed, and the normal operation trajectory of the adjustment sleeve 611 will not be affected if it is removed during the use of the product.

[0112] Secondly, the synchronization of the power transmitted from the first motor 621 to the eccentric shaft 631. The most preferred mode for the transmission wheels 633 on the two eccentric shafts 631 to rotate synchronously and in the same direction during operation is that the belts must be tightened during installation. Figure 11-13 As shown, the utility model designs a first fixing plate 6322 on the mounting base 6321 of the mounting seat 632, and a first elongated hole 63213 ( Fig.13 The scheme is that the first long hole 63213 is provided on the first fixing plate 6322, so that the first fixing plate 6322 can adjust the fixed position on the mounting base 6321, and the first motor 621 is fixedly provided on the first fixing plate 6322. The specific adjustment structure is as follows: a first fixing platform 63211 is provided on the mounting base 6321, a first supporting platform 63221 is provided on the first fixing plate 6322, a threaded through hole is provided on the first fixing platform 63211, and a second adjusting bolt 6326 is provided to be screwed into the threaded through hole and abut against the first supporting platform 63221. By adjusting the second adjusting bolt 6326, the fixed position of the first fixing plate 6322 on the mounting base 6321 is adjusted, thereby tightening the belt. However, the belt is elastic. When the first motor 621 moves downward to tension or upward to relax, the belt between the two transmission wheels 633 will be stretched to a certain extent, and will inevitably produce opposite rotation directions. Accordingly, the adjustment component 6 is also provided with a tensioning wheel 634, which is arranged between the two transmission wheels 633. Preferably, the tensioning wheel 634 is equidistant from the two transmission wheels 633, and the axis of the tensioning wheel 634 and the axis of the output shaft of the motor are both arranged in the vertical direction. The tensioning wheel 634 is also arranged to be adjustable up and down. In this way, the reverse rotation of the two transmission wheels 633 caused by the stretching of the belt generated by the adjustment motor can be rotated back to the originally set position through the matching tensioning adjustment of the tensioning wheel 634, and the fixing of the tensioning wheel 634 can also be achieved. The synchronization of the power transmitted to the eccentric shaft 631 by the first motor 621 is achieved through the two features of the adjustable tensioning wheel 634 and the adjustable motor position. The specific scheme of the adjustable tension wheel 634 is similar to the specific scheme of the first motor 621, that is, the mounting base 6321 further includes a second fixing plate 6323, and at least one of the second fixing plate 6323 and the mounting base 6321 is provided with a second elongated hole 63214 ( Fig.12The second long hole 63214 is arranged on the second fixing plate 6323) so that the second fixing plate 6323 can adjust the fixed position on the mounting base 6321, the tensioning wheel 634 is rotatably arranged on the second fixing plate 6323, the mounting base 6321 is provided with a second fixing platform 63212, the second fixing plate 6323 is provided with a second support platform 63231, the second fixing platform 63212 is provided with a threaded through hole, and the third adjusting bolt 6327 is arranged to be screwed into the threaded through hole and abut against the second support platform 63231, finally realizing the up and down adjustment of the tensioning wheel 634. Preferably, the two adjusting holes 6112 are arranged on the same horizontal plane, so that the axis of the eccentric shaft 631 is also on the same horizontal plane, and at least one of the tensioning wheel 634 and the first motor 621 is arranged to be adjustable in the vertical direction, and more preferably, the tensioning wheel 634 and the first motor 621 can both be adjusted in the vertical direction.

[0113] Since the utility model creatively introduces the structure of the adjustment sleeve 611 to realize the movable design of the third main roller 3, and the third main roller 3 itself also needs to be provided with a second motor 31 at the end for driving, the motor seat 311 of the second motor 31 in the prior art is usually fixed on the cutting frame 8 through the motor seat 311, and the utility model creatively arranges the motor seat 311 on the adjustment sleeve 611, preferably, the adjustment sleeve 611 on one side is directly integrated with the motor seat 311, such as Figure 5 , Fig.10 As shown, the adjustment sleeve 611 on the left is integrally formed with the motor sleeve, and the right side still maintains the original structural design. This layout makes it unnecessary for the second motor 31 to be additionally connected to the frame body, and the coaxiality of the motor sleeve and the adjustment sleeve 611 can also be guaranteed, ensuring that the installation accuracy of the second motor 31 is reliable and easier to assemble.

[0114] The specific structure of the connecting sleeve 636 is further described below. Figure 5 , Figure 6As shown, the connecting sleeve 636 includes a first end ring 6361 and a second end ring 6362, and the first end ring 6361 and the second end ring 6362 are both provided with mounting holes for mounting the third main roller 3 and connection fixing holes with the adjustment sleeve 611. The connecting sleeve 636 also includes a connecting plate 6363, and the two ends of the connecting plate 6363 are respectively fixedly connected to the first end ring 6361 and the second end ring 6362. Preferably, the connecting plate 6363, the first end ring 6361 and the second end ring 6362 are integrally formed. An opening is provided between the two connecting plates 6363 to allow the third main roller 3 to pass through. As can be seen from the figure, the opening between the two connecting plates 6363 is relatively large, and the third main roller 3 can be disassembled and installed through the opening. In order to facilitate the disassembly and installation of the main roller, a clamping groove 63631 is also provided on the connecting plate 6363, and a plug hole 636311 is also provided in the clamping groove 63631. A supporting plane 63632 is also provided on the connecting plate 6363. The clamping groove 63631 is provided at one end of the supporting plane 63632. An auxiliary tooling 637 can be provided on the clamping hole at the clamping groove 63631 to help the main roller to move horizontally smoothly. A cushion layer can also be provided on the supporting plane 63632. During the disassembly of the third main roller 3, the third main roller 3 is placed smoothly on the supporting plane 63632, and then slowly moved from the supporting plane 63632 to the auxiliary tooling 637 for taking it up. The installation process is reversed. The specific structure of the auxiliary tooling 637 is described below. Figure 5 , Figure 6 , Figure 16-19As shown, the auxiliary tooling 637 includes a supporting body 6371 and a connecting portion 6372. The supporting body 6371 is provided with a supporting surface 63711. The supporting surface 63711 is provided with a pad 63714 for protecting the third main roller 3. The connecting portion 6372 is configured to be fixedly arranged on the connecting plate 6363 of the connecting sleeve 636. Specifically, the connecting portion 6372 is a supporting rod 63721. The supporting body 6371 is provided with a socket 63712. The support rod 63721 is fixedly arranged in the socket 63712. In order to prevent the support rod 63721 from falling out, an annular groove 637211 is arranged on the support rod 63721. A threaded hole is also arranged on the support body 6371. The threaded hole is connected to the socket 63712 and is fixed by a locking screw 63715. After the locking screw 63715 is inserted into the support body 6371, it is clamped together with the annular groove 637211 to prevent the support rod 63721 from falling out. Since the auxiliary tooling 637 needs to be quickly disassembled and assembled, an inclined mounting surface 63713 is designed on the support body 6371, and the support rod 63721 is fixedly arranged perpendicular to the inclined mounting surface 63713. In this way, when the support rod 63721 is inserted into the clamping hole on the connecting plate 6363, the inclined mounting surface 63713 also abuts against the clamping groove 63631. At this time, due to the inclined setting, the auxiliary tooling 637 will realize self-locking under the action of gravity. The greater the upper pressure, the less likely it will fall out. After replacing the third main roller 3, it can be taken out by gently moving it upward. The principle of self-locking is used to ensure the reliability of the auxiliary tooling 637, and the quick insertion and removal of the auxiliary tooling 637 is realized, which is convenient for users to replace the third main roller 3. A connection method of the support body 6371 and the support rod 63721 is introduced above, but it is obvious that it can also be a method in which the support body 6371 and the support rod 63721 are integrally formed, or other usable connection methods. Preferably, the support body 6371 is made of metal, and the pad 63714 is made of elastic material, such as nylon, rubber, etc.

[0115] Since the adjustment sleeve 611 is to drive the third main roller 3 to move, there is a relative movement between the adjustment sleeve 611 and the cutting frame 8. The cutting frame 8 is provided with a through hole 81, and the fixing frame moves in the through hole 81. The cutting part will produce silicon powder and cutting fluid and other substances. If they overflow between the adjustment sleeve 611 and the cutting frame 8, they will pollute the operating space and damage the parts. In order to avoid such pollution, the wire saw of the utility model is also provided with a sealing member capable of covering the through hole 81 between the adjustment sleeve 611 and the cutting frame 8. Preferably, the sealing member is an elastic sealing sleeve 9, and the elastic sealing sleeve 9 includes an elastic shield 91. One end of the elastic shield 91 is connected to the cutting frame 8, and the other end is connected to the adjustment sleeve 611. Preferably, the elastic sealing sleeve 9 also includes a mounting fixing plate 92. One end of the elastic shield 91 is connected to the mounting fixing plate 92. The mounting fixing plate 92 is connected to the cutting frame 8. The indirect connection through the mounting fixing plate 92 solves the problem of inconvenient connection between the elastic sealing sleeve 9 and the cutting frame 8. Preferably, the elastic sealing sleeve 9 also includes a clamp 93, and the elastic shield 91 is connected to the adjustment sleeve 611 through the clamp 93. Similarly, it is easier to assemble by directly clamping the adjustment sleeve 611 with the clamp 93, and it is not easy to be damaged or dusty. Preferably, the elastic shield 91 is provided with wave folds, which are made of rubber material and are integrally formed with the mounting plate 92. The above describes a specific seal. Of course, the seal can also include a first sealing body and a second sealing body. The first sealing body is arranged on the cutting frame 8, and the second sealing body is arranged on the adjustment sleeve 611. The first sealing body and the second sealing body are connected in a sliding sealing manner. Since the adjustment sleeve 611 only displaces in the plane direction perpendicular to the axial direction and has no axial displacement, the sealing of the adjustment sleeve 611 and the cutting frame 8 can also be ensured by a conventional sliding sealing connection method, but its service life and sealing effect are usually not as good as those of the elastic sealing sleeve 9.

[0116] Continue to refer to Figure 25-29 , the control method of the utility model is expanded.

[0117] As shown in the figure, the control method of the utility model includes:

[0118] S01, obtaining the tension force T of the cutting line;

[0119] S02, comparing the tension force T with a preset tension force value range;

[0120] S03. Based on the comparison result, selectively control the movement of the third main roller so that the perimeter of the polygon changes according to the set value, thereby making the tension force T enter the preset tension force value range.

[0121] There are various ways to obtain the tension T. In a preferred embodiment, step S01 may further include: S011, calculating the tension of the cutting line based on the value of the pressure sensor. It may also be other detection methods. For example, a sensor that can obtain the tension of the cutting line is set on any one of the line roller 10 and the guide wheel 11, or on any main roller, and the tension T can be obtained.

[0122] In a preferred embodiment, before step S02, the control method further includes: S04: obtaining the cutting progress of the wire saw, and selecting different preset tensioning force value ranges based on the cutting progress, the cutting progress of the wire saw includes the middle cutting stage and the final cutting stage, preferably, the maximum value of the preset tensioning force value range of the middle cutting stage of the wire saw is greater than the maximum value of the preset tensioning force value range of the final cutting stage of the wire saw.

[0123] Specifically, Fig.25 As shown in the figure, during the process of cutting the object, the cutting wire 5 is also subjected to the opposite force, thereby generating a bend. At this time, the cutting wire 5 forms an angle β with the horizontal plane. The distance between the two dotted lines is the wire bow. The larger the wire bow is, the larger the contact surface with the object to be cut is, the higher the cutting efficiency is, and the wire breakage rate and wire loss can be reduced at this time. However, the larger the wire bow is, the greater the fluctuation will be when the wire is reeled in due to the cutting of the object to be cut. At this time, the entire wire saw will be unstable and the cutting wire 5 will be easily de-grooved. Therefore, the most ideal process should be to design a larger wire bow in the middle stage of cutting and set a smaller wire bow in the final stage of cutting. The traditional solution that relies solely on the tension wheel cannot be adjusted quickly. For example, during cutting, Before the middle stage of cutting is over, it is necessary to reduce the wire bow as soon as possible, otherwise the preset value cannot be fully reached in the final stage of cutting, which affects the cutting efficiency in the middle stage of cutting. The utility model can balance the force of the third main roller 3, based on the pressure sensors N1, N2, N3, N4, the angle α between the cutting line 5 at the third main roller 3 and the vertical direction, the gravity G of the third main roller 3, and the force balance formula to calculate the tensioning force T of the cutting line 5, and then compare it with the preset tensioning force value range, and then adjust the perimeter of the polygon 4 based on the comparison result, and then adjust the tensioning force T to enter the preset tensioning force value range. This method is quick and effective, speeds up the change of the wire bow, and improves the cutting efficiency. The specific force balancing method is: take N1 and N2 as one group of data, and N3 and N4 as another group of data. Comparing N1 with N2 and N3 with N4 can obtain the trend change of the movement process parameters of the third main roller. Then, compare N1 with N2 as a group and N3 with N4 as a group, so as to finally determine the appropriate moving distance of the third main roller and synchronously feedback the tension of the cutting line.

[0124] So far, a preferred specific implementation has been introduced, but it is obvious that the solution for driving the third main roller 3 to move is not limited to the solution of the eccentric shaft 631 mentioned in the utility model, and can also be other movement solutions, such as Fig.23 , Fig.24 Another possible implementation is provided, the transmission mechanism 63 is a linear motion mechanism 639, one end of the linear motion mechanism 639 is connected to the driving mechanism, and the other end is connected to the mounting mechanism 61, and the linear motion mechanism 639 is configured to be able to drive the mounting mechanism to move along a set straight line under the drive of the driving mechanism. Preferably, as shown in the figure, the linear motion mechanism 639 is a screw lift 6391, the screw lift 6391 is connected to the mounting mechanism, and the screw lift 6391 is driven directly by a motor to move, or other driving methods drive the screw lift 6391 to move, so as to achieve the lifting and lowering of the third main roller 3. Of course, the linear motion mechanism 639 can also be a deformation of other structures, for example, the linear motion mechanism 639 includes a ball screw and a screw nut, the screw nut is sleeved on the ball screw, and the screw nut is connected to the mounting mechanism 61, and the linear movement of the screw nut is driven by the rotation of the ball screw. For another example, the linear motion mechanism 639 includes a gear and a rack, the gear meshes with the rack, the rack is connected to the mounting mechanism, and the linear drive is achieved through the cooperation of the gear and the rack. In particular, since the linear drive method here has azimuthal instability, it is preferred that the cutting component also includes a linear guide rail (not shown) arranged in the vertical direction, and the mounting mechanism can be slidably arranged on the linear guide rail, so that the directional movement of the mounting mechanism can be achieved.

[0125] Even so, due to the limitations of the structure of the linear motion mechanism 639 itself, the required displacement of the third main roller 3 is relatively small and the accuracy requirement is relatively high. As for the driving stability of the third main roller 3, it is still not as good as the first implementation method of the eccentric shaft 631. In terms of the overall occupied space, the eccentric shaft 631 solution has a very large advantage. However, the above-mentioned several deformation schemes are also an implementable solution based on the utility model concept of the utility model, and are also within the protection scope of the utility model.

[0126] It should be noted that the above-mentioned implementation mode is only used to illustrate the principle of the utility model, and is not intended to limit the protection scope of the utility model. Without departing from the principle of the utility model, those skilled in the art can adjust the above-mentioned structure so that the utility model can be applied to more specific application scenarios.

[0127] For example, in an alternative embodiment, the number of main rollers is obviously not limited to three rollers, but can also be four rollers, five rollers, etc. As long as the third main roller 3 can adjust the circumference of the polygon 4, the wire bow of the cutting wire net 51 can be adjusted. These do not deviate from the principles of the present invention and therefore will fall within the scope of protection of the present invention.

[0128] For example, in another replaceable embodiment, the adjustment hole 6112 can also be one, and the adjustment sleeve 611 is correspondingly restricted to only be able to slide vertically. At this time, the diameter of the eccentric part of the eccentric shaft 631 is set to be smaller than the diameter of the adjustment hole 6112, so that the eccentric shaft 631 is used as a cam, and the adjustment sleeve 611 can also reciprocate along the set trajectory. These do not deviate from the principles of the present invention and therefore will fall within the protection scope of the present invention.

[0129] For example, in another replaceable embodiment, only one of the tensioning wheel 634 and the first motor 621 can be adjusted. When the belt stretches and causes the two transmission wheels 633 to rotate in opposite directions, the initial position of the eccentric shaft 631 needs to be readjusted. At this time, it is necessary to add other switchable structures between the eccentric shaft 631 and the transmission wheel 633, such as a clutch, and then readjust the rotation angle of the eccentric shaft 631. However, the structure of this method will be much more complicated. Although it is slightly worse than the first solution, it is also an implementable specific implementation method under the utility model concept of the utility model. These do not deviate from the principles of the utility model and therefore will fall within the protection scope of the utility model.

[0130] The utility model also provides a wire saw, which is configured to include a cutting component for a wire saw as described in any one of the above technical solutions.

[0131] The utility model also provides a slicer, such as Fig.30 As shown, the slicer includes a wire saw, as well as other feeding mechanisms, cooling mechanisms, etc. The wire saw is configured to include the cutting components for the wire saw described in any of the above technical solutions.

[0132] Those skilled in the art can understand that the above-mentioned wire saw also includes some other well-known structures, such as a controller, a memory, etc., wherein the memory includes but is not limited to a random access memory, a flash memory, a read-only memory, a programmable read-only memory, a volatile memory, a non-volatile memory, a serial memory, a parallel memory or a register, etc., and the processor includes but is not limited to a CPLD / FPGA, a DSP, an ARM processor, a MIPS processor, etc. In order to unnecessarily obscure the embodiments of the present disclosure, these well-known structures are not shown in the drawings.

[0133] Although the various steps in the above embodiment are described in the above-mentioned chronological order, those skilled in the art will understand that in order to achieve the effect of this embodiment, different steps do not have to be executed in such an order, and they can be executed simultaneously (in parallel) or in a reversed order. For example, the steps of step S01 and step S04 can be reversed or executed in parallel. These simple changes are within the protection scope of the present utility model.

[0134] So far, the technical solution of the present invention has been described in conjunction with the preferred embodiments shown in the accompanying drawings. However, it is easy for those skilled in the art to understand that the protection scope of the present invention is obviously not limited to these specific embodiments. Without departing from the principle of the present invention, those skilled in the art can make equivalent changes or substitutions to the relevant technical features, and the technical solutions after these changes or substitutions will fall within the protection scope of the present invention.

Claims

1. A cutting component for a wire saw, characterized in that The cutting component comprises at least a first main roller, a second main roller and a third main roller, the rotation axes of all the main rollers surround a polygon, and the cutting component further comprises a cutting line wound around the outside of the polygon; The cutting line between the first main roller and the second main roller forms a cutting line web for cutting an object; The cutting component further comprises an adjustment sleeve, an eccentric shaft, a mounting seat and a base, wherein the adjustment sleeve is provided with a main roller mounting hole and an adjustment hole, wherein the third main roller is arranged in the main roller mounting hole, wherein the end of the eccentric shaft is rotatably arranged on the mounting seat, and wherein the eccentric region of the eccentric shaft is arranged in the adjustment hole, so that when the eccentric shaft rotates, the adjustment sleeve can be driven to move, thereby driving the third main roller to move, so as to change the perimeter of the polygon and thus change the tension of the cutting wire web; The mounting seat is arranged on the base, and a pressure sensor is arranged between the mounting seat and the base.

2. The cutting member for a wire saw according to claim 1, characterized in that The cutting component further comprises a driving mechanism and a transmission wheel. The transmission wheel is arranged on the eccentric shaft, and the driving mechanism is drivingly connected to the transmission wheel.

3. The cutting member for a wire saw according to claim 2, characterized in that The adjusting sleeve is provided with two adjusting holes, and correspondingly, the eccentric shaft and the transmission wheel are also provided with two.

4. The cutting member for a wire saw according to claim 3, characterized in that Two pressure sensors are arranged between the mounting seat and the base.

5. The cutting member for a wire saw according to claim 3, characterized in that An adjustment sleeve is respectively disposed at both ends of the third main roller, and correspondingly, four pressure sensors are disposed.

6. The cutting member for a wire saw according to claim 3, characterized in that The adjusting sleeve is also provided with a first fixing block, the first fixing block is provided with a threaded hole, and a first adjusting bolt is provided in the threaded hole.

7. The cutting member for a wire saw according to claim 3, characterized in that The driving mechanism is connected to the transmission wheel through a belt drive, and the cutting component for the wire saw is also provided with a tensioning wheel, which is arranged between the two transmission wheels and is configured to be able to adjust the tension of the belt.

8. The cutting member for a wire saw according to claim 7, characterized in that The tensioning wheel and the driving mechanism are both configured to be adjustable in the vertical direction.

9. A wire saw, characterized in that: The wire saw comprises a tension mechanism and a wire-retracting and -releasing mechanism, and a cutting component for a wire saw according to any one of claims 1 to 8.

10. A slicer, characterized in that: The slicer comprises a feeding mechanism and a cutting component for a wire saw according to any one of claims 1 to 8.

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