Clamping device and wire cutting machine
By designing a clamping device suitable for wire cutting machines, two half rods can be clamped and cut at the same time, solving the problem of low cutting efficiency in the prior art, achieving an efficient cutting and unloading process, and reducing costs.
Patent Information
- Application Number
- CN202421914225.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-08
- Publication Date
- 2025-07-04
- Estimated Expiration
- 2034-08-08
AI Technical Summary
When cutting the half rod, the existing clamping mechanism has low cutting efficiency, and cannot effectively match the cutting ability and cutting process of the wire cutting machine, and the cutting process is inconvenient.
A clamping device is designed, including a clamping table, the first and second crystal retents and a reverse unit, which can clamp two half rods at the same time, and achieve stable clamping and cutting through the reverse unit, adapting to the cutting capability and the unloading process of the wire cutting machine.
The cutting efficiency of half-piece cutting is improved, the cutting process is simplified, the cost is reduced, and the automatic acquisition of smaller slices is achieved.
Smart Images
Figure CN223058085U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of wire cutting, in particular to a clamping device and a wire cutting machine. Background Art
[0002] In the technical field of wire cutting, taking a photovoltaic silicon rod as an example, the process of making a silicon rod into a silicon wafer generally includes operations such as truncating, squaring, grinding and polishing, and slicing. The slicing operation is completed by a slicing machine. The silicon rod is bonded to a crystal holder, and the crystal holder is clamped by a clamping device, and then the silicon rod is driven to move relative to the cutting wire mesh by a feeding mechanism to realize slicing. With the continuous development of battery technology, the demand for small-sized silicon wafers is increasing. In order to obtain small-sized silicon wafers, in the prior art, there is a technology of cutting the silicon rod in half along the axial direction to obtain a half rod, and then slicing the half rod separately (i.e., half-slicing).
[0003] However, when using the clamping mechanism in the prior art for half-rod cutting, due to the mismatch with the cutting ability, cutting process, and blanking process of the existing slicing machine, there is still a problem of low cutting efficiency. Summary of the Utility Model
[0004] In view of the above problems, the utility model provides a clamping device and a wire cutting machine, which can clamp two half-rods at the same time, and further can realize cutting the two half-rods at the same time, which is beneficial to matching the cutting ability and cutting process of the wire cutting machine, as well as adapting to the blanking process after cutting, and thus is beneficial to improving the cutting efficiency of half-slicing.
[0005] Specifically, the utility model provides a clamping device, which includes:
[0006] A clamping table, the clamping table has a first installation groove and a second installation groove;
[0007] A first crystal holder, the first crystal holder is arranged on the lower side of the clamping table, a first clamping block is arranged on the upper side of the first crystal holder, and the first clamping block is installed in the first installation groove; the first installation groove is used to prevent the first clamping block from disengaging downward from the clamping table;
[0008] A second crystal holder, the second crystal holder is arranged on the lower side of the clamping table, the second crystal holder is arranged in parallel with the first crystal holder; a second clamping block is arranged on the upper side of the second crystal holder, and the second clamping block is installed in the second installation groove; the second installation groove is used to prevent the first clamping block from disengaging downward from the clamping table;
[0009] The reverse unit is disposed on the clamping table. The reverse unit includes an input portion and an output portion. The reverse unit is configured such that when the input portion moves upward, the output portion moves downward; the output portion is configured to cause the first clamping block to move downward relative to the clamping table and cause the second clamping block to move downward relative to the clamping table.
[0010] Optionally, the reverse unit further includes a rotating rod, which is rotatably mounted on the clamping table around a horizontal axis;
[0011] One end of the rotating rod is the output portion, or the output portion is connected to one end of the rotating rod;
[0012] The other end of the rotating rod is the input portion, or the input portion is connected to the other end of the rotating rod.
[0013] Optionally, the rotating rod is inclined, and the lower end of the rotating rod is the output portion;
[0014] The input portion is a horizontal rod and is connected to the upper end of the rotating rod.
[0015] Optionally, the rotating rod is horizontally arranged;
[0016] An installation hole is provided at one end of the rotating rod, and the installation hole extends along the length direction of the rotating rod;
[0017] The output portion is a vertical rod, and the upper end of the vertical rod is installed in the installation hole to be rotatably and slidably installed along the direction of the rotating rod at one end of the rotating rod;
[0018] The other end of the rotating rod is the input portion.
[0019] Optionally, the reverse unit further includes at least two steering wheels and an annular structure disposed outside the at least two steering wheels. The annular structure has a first vertical section and a second vertical section arranged oppositely;
[0020] The input portion is connected to the first vertical section, and the output portion is connected to the second vertical section.
[0021] Optionally, the reverse unit further includes a reset member, and the reset member is configured to cause the output portion to move upward.
[0022] Optionally, the clamping device further includes:
[0023] A clamping seat and a lifting unit installed on the clamping seat. The lifting unit is configured to drive the input portion to move up and down;
[0024] The clamping seat is used to define the upward movement stroke of the clamping table relative to the clamping seat, or to define the upward movement stroke of the first crystal carrier and the second crystal carrier relative to the clamping seat.
[0025] Optionally, the clamping table is fixedly installed or integrally formed with the clamping seat; or,
[0026] The clamping table is movably installed up and down on the clamping seat.
[0027] Optionally, the clamping seat has a third installation groove, and the clamping table is installed in the third installation groove.
[0028] Optionally, the clamping seat has a first limiting surface, and the clamping table has a second limiting surface. The first limiting surface is configured to contact and abut against the second limiting surface to define the upward movement stroke of the clamping table relative to the clamping seat.
[0029] Optionally, the clamping device further includes:
[0030] A positioning component, which is arranged between the first crystal carrier or the first clamping block and the clamping seat to define the upward movement stroke of the first crystal carrier relative to the clamping seat, and / or is arranged between the second crystal carrier or the second clamping block and the clamping seat to define the upward movement stroke of the second crystal carrier relative to the clamping seat.
[0031] Optionally, the clamping table has a first through hole on the upper side of the first installation groove. The positioning component includes a first positioning member, and the first positioning member passes through the first through hole and contacts the upper surface of the first clamping block;
[0032] The clamping table has a second through hole on the upper side of the second installation groove. The positioning component includes a second positioning member, and the second positioning member passes through the second through hole and contacts the upper surface of the second clamping block.
[0033] Optionally, the clamping device further includes:
[0034] A lifting unit, which is installed on the clamping table, and the lifting unit is configured to drive the input part to lift.
[0035] Optionally, the clamping device further includes a lifting block;
[0036] The clamping table further has a receiving groove, which is located between the first installation groove and the second installation groove. The lifting block is arranged in the receiving groove and is configured to drive the input part to rise by contacting the input part when rising; the lifting unit is configured to drive the lifting block to lift.
[0037] Optionally, both the first crystal carrier and the second crystal carrier are half-piece crystal carriers, so that the lower sides of the first crystal carrier and the second crystal carrier are both used for mounting half-rods.
[0038] Optionally, the first crystal carrier contacts the second crystal carrier, and the lower surface of the first crystal carrier is flush with the lower surface of the second crystal carrier.
[0039] The present utility model also provides a wire cutting machine, which includes any one of the above clamping devices.
[0040] In the clamping device and the wire cutting machine of the present utility model, there are two crystal carriers capable of adapting to the bonding of half-rods, and a clamping table capable of clamping the two half-piece crystal carriers, so that the crystal bar can be installed on the existing wire cutting machine. When the wire cutting machine cuts, the entire crystal bar is cut simultaneously, which is beneficial to utilize the cutting ability of the existing wire cutting machine.
[0041] Specifically, when the clamping device of the present utility model installs half-rods, each crystal carrier installs one half-rod, and there are no problems such as interference and extrusion, and the installation difficulty is low. Obviously, two half-rods can be cut simultaneously, which is beneficial to improving the cutting efficiency of half-piece cutting compared with cutting the two half-rods separately in batches; and the slicing machine slices the two half-rods simultaneously, which is beneficial to adapting to the cutting ability and cutting process of the slicing machine. On the other hand, when discharging after slicing, the two crystal carriers can be separated, that is, the slices on the crystal carriers are separated, which is beneficial to the acquisition of the obtained slices. That is, before degumming, the two crystal carriers are separated, and each half-rod is adhered to a separate crystal carrier, so that the subsequent processes of deinsertion and washing can be automated. Obviously, the clamping device of the present utility model provides technical support for conveniently obtaining smaller slices.
[0042] Furthermore, in the clamping device and the wire cutting machine of the present utility model, due to the presence of the reverse unit, when the input part rises, the output part can squeeze the first clamping block and the second clamping block, so that the clamping table, the first crystal carrier and the second crystal carrier form a stable whole. The clamping table is directly fixed in the wire cutting machine for cutting, or the input part continues to rise, so that the relatively stable whole is clamped on the clamping seat and then used for cutting. The clamping device of the present utility model realizes the clamping of the crystal bar and the half-rod, with a simple structure and convenient operation.
[0043] Furthermore, in the clamping device and the wire cutting machine of the present utility model, since there is a clamping table with a receiving groove, during use, when the lifting block extends into the receiving groove, it can directly act on the input part of the reverse unit to drive the input part to rise for clamping, so there is no need to improve the existing clamping seat. To put it another way, even if it is necessary to improve the existing clamping seat, the improvement is relatively small, which is conducive to cost reduction. That is to say, during use, after installing the crystal carrier on the clamping table, then installing the whole formed by the crystal carrier and the clamping table on the clamping seat, which is convenient for the transportation and installation of the crystal bar. Moreover, this clamping seat can directly utilize the clamping seat in the existing wire cutting machine. That is to say, during the production and manufacturing process of the clamping device of the present utility model, based on the existing clamping device, the clamping seat therein does not need to be redesigned or greatly modified, which is conducive to cost reduction.
[0044] From the following detailed description of the specific embodiments of the present utility model in conjunction with the accompanying drawings, those skilled in the art will become more clearly aware of the above and other objects, advantages and features of the present utility model. BRIEF DESCRIPTION OF THE DRAWINGS
[0045] Some specific embodiments of the present utility model will be described in detail hereinafter with reference to the accompanying drawings in an exemplary but not restrictive manner. The same reference numerals in the drawings denote the same or similar components or parts. Those skilled in the art should understand that these drawings are not necessarily drawn to scale. In the drawings:
[0046] Figure 1 is a schematic structural diagram of a clamping device according to an embodiment of the present utility model;
[0047] Figure 2 is Figure 1 a schematic side view of the shown clamping device;
[0048] Figure 3 is along Figure 2 the schematic sectional view taken along A-A in
[0049] Figure 4 is along Figure 3 the schematic sectional view taken along B-B in
[0050] Figure 5 is a schematic side view of a clamping device according to an embodiment of the present utility model;
[0051] Figure 6 is along Figure 5 the schematic sectional view taken along C-C in
[0052] Figure 7 is along Figure 5 the schematic sectional view taken along D-D in
[0053] Figure 8 It is a schematic cross-sectional view of a clamping device according to an embodiment of the present utility model.
[0054] Description of reference numerals:
[0055] 10. Clamping table; 11. First installation groove; 12. Second installation groove; 13. Accommodation groove; 21. First crystal carrier; 22. Second crystal carrier; 25. First clamping block; 26. Second clamping block; 30. Clamping seat; 31. Third installation groove; 40. Lifting unit; 41. Lifting block; 50. Reverse unit; 51. Rotating rod; 52. Horizontal rod; 53. Steering wheel; 54. Ring structure; 55. Input part; 56. Output part; 60. Positioning component. Detailed implementation manners
[0056] The following will refer to Figures 1 to 8 to describe the clamping device and wire cutting machine according to the embodiments of the present utility model. In the description of this embodiment, it should be understood that the terms "first" and "second" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the quantity of the indicated technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include at least one of such features, that is, including one or more of such features. In the description of the present utility model, the meaning of "a plurality" is at least two, such as two, three, etc., unless otherwise specifically defined. When a certain feature "includes or contains" a certain or certain features it covers, unless otherwise specifically described, this indicates that other features are not excluded and other features may be further included.
[0057] Unless otherwise clearly specified and limited, the terms "arranged", "installed", "connected", "coupled", "fixed", etc. should be understood in a broad sense. For example, it may be a fixed connection, a detachable connection, or integrated; it may be a mechanical connection or an electrical connection; it may be directly connected or indirectly connected through an intermediate medium, and it may be the internal communication of two components or the interaction relationship between two components, unless otherwise clearly limited. Those of ordinary skill in the art should be able to understand the specific meanings of the above terms in the present utility model according to specific situations.
[0058] In addition, in the description of this embodiment, the first feature being "above" or "below" the second feature may include the first and second features being in direct contact, or may include the first and second features not being in direct contact but being in contact through additional features therebetween. That is, in the description of this embodiment, the first feature being "above", "over", and "on top of" the second feature includes the first feature being directly above and obliquely above the second feature, or merely indicates that the first feature has a higher horizontal height than the second feature. The first feature being "under", "beneath", or "underneath" the second feature may be that the first feature is directly below or obliquely below the second feature, or merely indicates that the first feature has a lower horizontal height than the second feature. Moreover, it should be noted that in the description of this embodiment, directions such as up and down are exemplary and can be determined according to specific working conditions. For example, when describing, it is stated that A is above B, but during actual use, A may be below B, or A may be on one side of B, etc.
[0059] In the description of this embodiment, the descriptions with reference to terms such as "one embodiment", "some embodiments", "schematic embodiments", "examples", "specific examples", or "some examples", etc. mean that the specific features, structures, materials, or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present utility model. In this specification, the schematic descriptions of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials, or characteristics described can be combined in a suitable manner in any one or more embodiments or examples.
[0060] Unless otherwise specified, the term "plurality" means two or more.
[0061] In the embodiments of the present disclosure, the character " / " indicates that the objects before and after are in an "or" relationship. For example, A / B means: A or B. The term "and / or" is a description of the association relationship of an object, indicating that there can be three relationships. For example, A and / or B means: A or B, or, A and B these three relationships.
[0062] It should be noted that, without conflict, the embodiments in the embodiments of the present disclosure and the features in the embodiments can be combined with each other.
[0063] As Figure 1 shown, and with reference to Figures 2 to 4 , the embodiments of the present utility model provide a clamping device, and the clamping device includes a clamping table 10, a first crystal carrier 21, a second crystal carrier 22, and a reverse unit 50.
[0064] The clamping table 10 has a first mounting groove 11 and a second mounting groove 12. The first crystal carrier 21 is disposed on the lower side of the clamping table 10. A first clamping block 25 is provided on the upper side of the first crystal carrier 21, and the first clamping block 25 is mounted in the first mounting groove 11. The second crystal carrier 22 is disposed on the lower side of the clamping table 10, and the second crystal carrier 22 is arranged parallel to the first crystal carrier 21. A second clamping block 26 is provided on the upper side of the second crystal carrier 22, and the second clamping block 26 is mounted in the second mounting groove 12. The reverse unit 50 is disposed on the clamping table 10. The reverse unit 50 includes an input part and an output part. The reverse unit 50 is configured such that when the input part moves upward, the output part moves downward relative to the clamping table 10; the output part is configured to urge the first clamping block 25 to move downward relative to the clamping table 10, and / or urge the second clamping block 26 to move downward relative to the clamping table 10. The first mounting groove 11 is used to prevent the first clamping block 25 from disengaging downward from the clamping table 10. The second mounting groove 12 is used to prevent the second clamping block 26 from disengaging downward from the clamping table 10. Such an arrangement is conducive to cooperating with the reverse unit 50, enabling the clamping table 10, the first crystal carrier 21, and the second crystal carrier 22 to form a stable whole, and is conducive to protecting the crystal bars, semi-bars, etc. on the first crystal carrier 21 and the second crystal carrier 22, and is also conducive to the transportation of crystal bars, semi-bars, etc.
[0065] When the clamping device according to the embodiment of the present invention is in use, the first crystal carrier 21 and the second crystal carrier 22 can be first mounted on the clamping table 10, and then the whole formed by the clamping table 10, the first crystal carrier 21, and the second crystal carrier 22 is mounted on a wire cutting machine. At this time, the lifting block (which can also be called a mushroom head) of the wire cutting machine can be brought into contact with the input part, driving the input part to rise relative to the clamping table 10, and the output part presses downward on the first clamping block 25 and the second clamping block 26, realizing the clamping of the crystal carrier to the clamping table 10 to form a stable clamping whole. Then, the cutting device of the wire cutting machine is used for cutting. In some alternative embodiments, the clamping table 10 can also be fixedly arranged on the wire cutting machine, and then the first crystal carrier 21 and the second crystal carrier 22 are respectively mounted on the clamping table 10, and the input part is driven to rise by the lifting block to realize the clamping of the crystal carrier, and then the cutting device is used for cutting. At the same time, the reverse action can also realize the disassembly of the crystal carrier, that is, on a working platform, the functions of clamping, fastening, and disassembling of a half-piece double crystal bar are realized.
[0066] In the embodiment of the present invention, due to the presence of the reverse unit 50, when the input part rises, the output part can press on the first clamping block 25 and the second clamping block 26, enabling the clamping table 10, the first crystal carrier 21, and the second crystal carrier 22 to form a stable whole. The clamping table 10 is directly fixed in the wire cutting machine for cutting, or the input part continues to rise, enabling this relatively stable whole to be clamped on the clamping seat and then used for cutting. The clamping device of the present invention realizes the clamping of crystal bars and semi-bars, and has a simple structure and convenient operation.
[0067] Moreover, the clamping device of the embodiment of the present utility model has two crystal carriers, namely a first crystal carrier 21 and a second crystal carrier 22. The crystal carriers are both semi - sheet - type crystal carriers adaptable to the bonding of semi - rods, that is, a semi - rod can be installed on the lower side of each crystal carrier, and there is a clamping table 10, which enables the crystal bar to be installed on an existing wire cutting machine. When the wire cutting machine cuts, the whole crystal bar is cut simultaneously, which is beneficial to making use of the cutting ability of the existing wire cutting machine.
[0068] It should also be noted here that in the photovoltaic industry, a semi - rod is not exactly half of a square rod, not half in the geometric sense. For example, for a square rod of 180×180, the corresponding semi - rod specifications may be 180×89, 180×90, 180×91, etc. That is to say, the semi - rod can be larger than or smaller than half of the square rod in the geometric sense, that is, the relationship between the length and width of the cross - section of the semi - rod can be: the width of the cross - section of the semi - rod is between half of the length of the cross - section minus a preset difference and half of the length of the cross - section plus a preset difference. The preset difference can be 1 / 10 of the length of the cross - section of the semi - rod, etc. Generally, the two semi - rods carried by the first crystal carrier 21 and the second crystal carrier 22 can form a complete square rod. In the actual production and manufacturing process, the two semi - rods carried by the first crystal carrier 21 and the second crystal carrier 22 can be larger than, smaller than, or equal to half of the square rod in the geometric sense.
[0069] Specifically, when installing the semi - rods on the clamping device, each crystal carrier installs one semi - rod, and there are no problems such as interference and extrusion, and the installation difficulty is low. The slicing machine can cut two semi - rods simultaneously, and the cutting ability can be effectively exerted, which can reduce costs. After slicing, the two crystal carriers can be separated to achieve blanking, and the slices on the two crystal carriers can be automatically degummed respectively, which is beneficial to obtaining the slices. Obviously, the clamping device of the embodiment of the present utility model provides technical support for conveniently obtaining smaller slices.
[0070] In some embodiments of the present utility model, the first crystal carrier 21 is in contact with the second crystal carrier 22, and the lower surface of the first crystal carrier 21 is flush with the lower surface of the second crystal carrier 22 or the height difference is very small, and the height difference is less than 5 mm. Such a setting is beneficial to making the two semi - rods on the first crystal carrier 21 and the second crystal carrier 22 form a whole, which is beneficial to the cutting device to cut the crystal bar simultaneously or with a small time difference. In other embodiments of the present utility model, according to the actual working conditions, the first crystal carrier 21 and the second crystal carrier 22 can be arranged at intervals, and the distance between the first crystal carrier 21 and the second crystal carrier 22 should be less than or equal to 15 mm. For example, the distance between the first crystal carrier 21 and the second crystal carrier 22 is 1 mm, 2 mm, 3 mm, 4 mm, 5 mm, 8 mm, 10 mm, 11 mm, 12 mm or 13 mm, etc.
[0071] In some embodiments of the present utility model, both the first crystal holder 21 and the second crystal holder 22 are semi - sheet - type crystal holders, so that half - rods are respectively installed on the lower sides of the first crystal holder 21 and the second crystal holder 22. Such a setting enables the cutting device to cut two half - rods simultaneously, and it is easy to obtain smaller slices after cutting.
[0072] In some alternative embodiments of the present utility model, the sizes of the first crystal holder 21 and the second crystal holder 22 can be set according to actual requirements. For example, crystal rods are respectively installed on the lower sides of the first crystal holder 21 and the second crystal holder 22. In some other alternative embodiments of the present utility model, the lower surface of the first crystal holder 21 can also be smaller than or larger than the lower surface of the second crystal holder 22.
[0073] In some embodiments of the present utility model, the clamping table 10 further has a receiving groove 13, and the receiving groove 13 is located between the first installation groove 11 and the second installation groove 12. The clamping device further includes a lifting block 41, and the lifting block 41 is arranged in the receiving groove 13 and is configured to drive the input part to rise by contacting the input part when rising. Preferably, the number of the lifting blocks 41 is multiple, and they are arranged at intervals in sequence along the length direction of the receiving groove 13. The multiple lifting blocks 41 move synchronously. The number of groups of the reverse units 50 is multiple, and each group of the reverse units 50 has two, which respectively act on the first clamping block 25 and the second clamping block 26.
[0074] In some embodiments of the present utility model, as Figure 3 and Figure 4 shown, the reverse unit 50 further includes a rotating rod 51, and the rotating rod 51 is rotatably installed on the clamping table 10 around a horizontal axis. One end of the rotating rod 51 is the output part, or the output part is connected to one end of the rotating rod 51. The other end of the rotating rod 51 is the input part, or the input part is connected to the other end of the rotating rod 51. The rotating rod 51 can be equivalent to a lever and has a reverse function, with a simple structure and convenient use.
[0075] For example, in some embodiments, the rotating rod 51 is inclined, and the lower end of the rotating rod 51 is the output part; the input part is a horizontal rod 52, which is connected to the upper end of the rotating rod 51. In some other embodiments, the rotating rod 51 is horizontally arranged; there is a mounting hole at one end of the rotating rod 51, and the mounting hole extends along the length direction of the rotating rod 51; the output part is a vertical rod, and the upper end of the vertical rod is installed in the mounting hole to be rotatably and slidably installed along the direction of the rotating rod 51 at one end of the rotating rod 51; the other end of the rotating rod 51 is the input part.
[0076] In some embodiments of the present utility model, as Figure 8As shown, the reverse unit 50 further includes at least two steering wheels 53 and an annular structure 54 disposed outside the at least two steering wheels 53. The annular structure 54 has a first vertical section and a second vertical section disposed opposite to each other. The input part 55 is connected to the first vertical section, and the output part 56 is connected to the second vertical section. The steering wheels 53 can be belt wheels or sprocket wheels. The annular structure 54 can correspondingly be a transmission belt or a transmission chain.
[0077] In some embodiments of the present utility model, the reverse unit 50 further includes a cam or an eccentric circle, which is rotatably mounted on the clamping table 10; the cam or the eccentric circle has an output part, and the cam or the eccentric circle has an input part or is connected to the input part. By utilizing the characteristic that the distances between the cam or the eccentric circle and the rotating shaft are unequal, the first clamping block 25 and the second clamping block 26 are squeezed to perform clamping. The input part can include a rack and pinion mechanism. When the rack ascends, it drives the pinion to rotate, and the pinion drives the cam or the eccentric circle to rotate. In some alternative embodiments, the input part can be a horizontal rod, which is mounted on the side surface of the cam or the eccentric circle.
[0078] In some embodiments of the present utility model, the reverse unit 50 further includes a reset member configured to urge the output part to move upward relative to the clamping table 10. For example, the reset member can be a spring, a torsion spring, etc. The reset member enables the output part to return to the initial position, which is beneficial for providing a larger installation space for the first installation groove 11 and the second installation groove 12, facilitating the installation of the first clamping block 25 and the second clamping block 26, and improving the installation speed of the first crystal carrier 21 and the second crystal carrier 22.
[0079] In some embodiments of the present utility model, as Figures 1 to 4 shown, the clamping device further includes a clamping seat 30 and a lifting unit 40 mounted on the clamping seat 30. The lifting unit 40 is configured to drive the input part 55 to ascend. Specifically, the lifting unit 40 drives the lifting block 41 to ascend and descend, and the lifting block 41 drives the input part 55 to ascend. The clamping seat 30 is used to define the upward movement stroke of the clamping table 10 relative to the clamping seat 30. When clamping, the lifting unit 40 drives the input part 55 to move upward. After the first clamping block 25 and the second clamping block 26 move downward and are blocked by the clamping table 10, they form a stable whole. If the clamping table 10 is arranged to be movable up and down, the input part 55 continues to move upward, causing the stable whole to move upward. After the clamping table 10 or the first crystal carrier 21 and the second crystal carrier 22 are blocked by the clamping seat 30, the clamping of the clamping table 10, the first crystal carrier 21 and the second crystal carrier 22 is achieved.
[0080] In some embodiments of the present utility model, the clamping table 10 is fixedly installed on or integrally formed with the clamping seat 30. Or rather, in some embodiments of the present utility model, there is no clamping seat 30, that is, the lifting unit 40 is installed on the clamping table 10, and the lifting unit 40 is configured to drive the lifting block 41 to move upward. When clamping, the lifting unit 40 drives the input part 55 to move upward, and the first clamping block 25 and the second clamping block 26 move downward and are blocked by the clamping table 10 to form a stable whole, thus realizing the clamping of the clamping table 10, the first crystal holder 21 and the second crystal holder 22. When in use, directly install the two crystal holders on the clamping table 10, then when transporting the crystal bar and the semi-bar, it is the transportation of each crystal holder and the crystal bar adhered to the crystal holder, rather than the transportation of the whole formed by the crystal holder and the clamping table 10.
[0081] In some embodiments of the present utility model, the clamping table 10 is movably installed up and down on the clamping seat 30. Further, after the clamping table 10 is installed on the clamping seat 30, it cannot be separated from the clamping seat 30 and can only move up and down relative to the clamping seat 30. When transporting the crystal bar and the semi-bar, the first crystal holder 21, the second crystal holder 22 and the crystal bar adhered to the crystal holder are transported.
[0082] In some alternative embodiments, after the clamping table 10 is installed on the clamping seat 30, it can be separated from the clamping seat 30. For example, as Figure 6 and Figure 8 shown, the clamping seat 30 has a third installation groove 31, and the clamping table 10 is installed in the third installation groove 31. When in use, after installing the crystal holder on the clamping table 10, then install the whole formed by the crystal holder and the clamping table 10 on the clamping seat 30, which is convenient for the transportation and installation of the crystal bar. Moreover, the clamping seat 30 can directly use the clamping seat 30 in the existing wire cutting machine. That is to say, during the production and manufacturing process of the clamping device in the embodiments of the present utility model, based on the existing clamping device, the clamping seat 30 therein does not need to be redesigned or greatly modified, which is beneficial to reducing costs. Further, the third installation groove 31 is used to prevent the clamping table 10 from disengaging downward from the clamping seat 30. The third installation groove 31 is horizontally arranged, and at least one end of the third installation groove 31 penetrates through the clamping seat 30. Of course, in some alternative embodiments, the third installation groove 31 only facilitates the installation of the clamping table 10, and the lifting unit is used to prevent the clamping table 10 from disengaging downward from the clamping seat 30.
[0083] In some embodiments of the present utility model, the clamping seat 30 has a first limiting surface, and the clamping table 10 has a second limiting surface. The first limiting surface is configured to contact and abut against the second limiting surface to limit the upward movement stroke of the clamping table 10 relative to the clamping seat 30. Specifically, the top surface of the third installation groove 31 is the first limiting surface, and the upper surface of the clamping table 10 is the second limiting surface.
[0084] In some embodiments of the present utility model, as Figures 5 to 7 shown, the clamping device further includes a positioning assembly 60. The positioning assembly 60 is disposed between the first crystal carrier 21 or the first clamping block 25 and the clamping seat 30 to define the upward movement stroke of the first crystal carrier 21 relative to the clamping seat 30, and / or is disposed between the second crystal carrier 22 or the second clamping block 26 and the clamping seat 30 to define the upward movement stroke of the second crystal carrier 22 relative to the clamping seat 30. A positioning assembly 60 is disposed between the clamping seat 30 and the crystal carrier. The clamping seat 30 restricts the upward movement of the positioning assembly 60, and the positioning assembly 60 restricts the upward movement of the crystal carrier, thereby realizing the function of the clamping seat 30 for defining the upward movement strokes of the first crystal carrier 21 and the second crystal carrier 22 relative to the clamping seat 30.
[0085] In some preferred embodiments of the present utility model, the clamping table 10 has a first through hole on the upper side of the first installation groove 11. The positioning assembly 60 includes a first positioning member that passes through the first through hole and contacts the upper surface of the first clamping block 25. The clamping table 10 has a second through hole on the upper side of the second installation groove 12. The positioning assembly 60 includes a second positioning member that passes through the second through hole and contacts the upper surface of the second clamping block 26.
[0086] During operation, a crystal bar or a half crystal bar can be installed on the crystal carrier. Then, the crystal carrier is installed on the clamping table 10 through the installation groove for the crystal carrier. Then, the lifting unit 40 and the lifting block 41 can be used to directly drive the input part 55 to move upward. As the input part 55 moves upward, the positioning assembly 60 acts on the crystal carrier and hinders the upward movement of the crystal carrier. At this time, the clamping of the crystal carrier is realized. That is, the clamping device of the embodiment of the present utility model realizes the clamping of the crystal carrier by providing through holes and positioning members.
[0087] In the embodiment of the present utility model, the surfaces of the positioning assembly 60 for positioning, that is, the lower end surfaces of the first positioning member and the second positioning member, are significantly smaller than the top surface of the crystal carrier installation groove. Correspondingly, the positioning surfaces corresponding to the upper surfaces of the clamping blocks on the crystal carrier, that is, the first clamping block and the second clamping block, are only a part of the upper surface of the clamping block. This can significantly reduce the processing surface. When processing a smaller processing surface, it is obviously beneficial to reduce the processing cost while improving the processing quality. Moreover, due to the high processing quality of the processing surface, that is, the high flatness of the processing surface, it is beneficial to improve the clamping effect. That is, the clamping device of the present utility model has lower cost and higher clamping effect compared with the existing clamping devices.
[0088] Moreover, since the perforation is located on the upper side of the installation groove of the crystal carrier, the positioning assembly 60 contacts at least the middle part of the clamping block along the width direction of the clamping block, so that the middle part of the clamping block can be clamped, preventing the problem of crystal carrier deflection when clamping at the edge position of the crystal carrier, that is, it is beneficial to prevent one side of the crystal carrier from being higher than the other side. When clamping in the middle, compared with clamping on both sides of the crystal carrier, the processing cost can be reduced.
[0089] In particular, in the clamping device and the wire cutting machine of the present invention, since there are two crystal carriers and the distance between the two crystal carriers is relatively close or they need to be in contact, since it is impossible to clamp on both sides of each crystal carrier, that is, the problem of crystal carrier deflection cannot be solved. In view of this, the present invention adopts the scheme of middle clamping with a perforation and a positioning assembly 60, which is beneficial to make the lower surfaces of the two crystal carriers lie in the same plane.
[0090] In some embodiments of the present invention, the first positioning member is fixedly connected to the clamping seat 30, or the first positioning member is movably arranged up and down on the clamping seat 30 or the clamping table 10, and the upper end of the first positioning member is configured to contact the clamping seat 30. The second positioning member is fixedly connected to the clamping seat 30, or the second positioning member is movably arranged up and down on the clamping seat 30 or the clamping table 10, and the upper end of the second positioning member is configured to contact the clamping seat 30.
[0091] That is to say, in some embodiments of the present invention, the positioning assembly 60 is fixedly connected to the clamping seat 30. For example, the positioning assembly 60 can be installed on the clamping seat 30, or the positioning assembly 60 is integrally formed with the clamping seat 30. It can also be said that a smaller clamping mating surface is provided on the clamping seat 30 to reduce the cost.
[0092] In other embodiments of the present invention, the positioning assembly 60 is movably arranged up and down, and the upper end of the positioning assembly 60 is configured to contact the clamping seat 30. That is to say, the positioning assembly 60 is arranged to move up and down on the clamping seat 30 or the clamping table 10. Preferably, the positioning assembly 60 is movably arranged up and down on the clamping table 10. By setting the movable scheme, for example, directly placing the positioning members, that is, the first positioning member and the second positioning member, into the perforation, it is beneficial to the replacement of the positioning members and also beneficial to the installation of the clamping device.
[0093] In some embodiments of the present invention, the perforation of the clamping table 10 has a movement position below the positioning assembly 60. In particular, when the positioning assembly 60 is arranged on the clamping seat 30, the position of the clamping table 10 is beneficial to the horizontal movement of the clamping table 10, that is, beneficial to the installation of the clamping table 10, and the positioning assembly 60 can also guide the lifting of the clamping table 10. In this embodiment, the clamping table 10 needs to be movably arranged up and down on the clamping seat 30.
[0094] In some embodiments of the present utility model, the clamping device further includes a reset unit, which is arranged between the clamping table 10 and the positioning member and configured to urge the lower end of the positioning member to remain on the upper side of the crystal carrier mounting groove. For example, the reset unit can be a compression spring, which is sleeved on the corresponding positioning member. In the initial position, the lower end of the positioning member is on the upper side of the crystal carrier mounting groove, that is, not in the crystal carrier mounting groove. In this way, when installing the crystal carrier, there is no blockage to the installation of the clamping block, which is beneficial to improving the installation speed. In this embodiment, the clamping table 10 needs to be movably arranged up and down on the clamping seat 30.
[0095] In some alternative embodiments of the present utility model, the lower end of the positioning member can also extend into the crystal carrier mounting groove, as long as it does not prevent the installation of the clamping block. Even if the installation is a bit difficult, it is also an acceptable solution. The reset unit can also be used to make the lower end of the positioning member extend into the crystal carrier mounting groove.
[0096] In some embodiments of the present utility model, the first positioning member is directly placed in the first through hole, and the second positioning member is directly placed in the second through hole. Specifically, after the crystal carrier is installed on the clamping table, the positioning member is directly placed in the through hole, and the lower end of the positioning member contacts the crystal carrier. After the crystal carrier or the clamping table rises, until the upper end of the positioning member contacts the clamping seat.
[0097] In some embodiments of the present utility model, the positioning member is a limit post or a limit block, and the projection of the positioning member in the horizontal plane is circular, square, polygonal or plum blossom-shaped.
[0098] In some embodiments of the present utility model, the first mounting groove 11 is horizontally arranged, and at least one end of the first mounting groove 11 penetrates the clamping table 10. The second mounting groove 12 is horizontally arranged, and at least one end of the second mounting groove 12 penetrates the clamping table 10. The penetration of the mounting groove of the crystal carrier through the clamping table 10 is beneficial to the installation of the crystal carrier.
[0099] In some embodiments of the present utility model, a first guiding post is arranged on the top wall of the first mounting groove 11, a first guiding groove is arranged on the top wall of the first clamping block 25, and the first guiding post is inserted into the first guiding groove. A first wheel for supporting the first clamping block 25 is arranged on the groove wall of the first mounting groove 11. A second guiding post is arranged on the top wall of the second mounting groove 12, a second guiding groove is arranged on the top wall of the second clamping block 26, and the second guiding post is inserted into the second guiding groove. A second wheel for supporting the second clamping block 26 is arranged on the groove wall of the second mounting groove 12. In this embodiment, due to the guiding posts, guiding grooves and wheels, it is beneficial to improve the installation accuracy of the crystal carrier and the installation speed of the crystal carrier.
[0100] In some embodiments of the present utility model, the first mounting groove 11, the second mounting groove 12, the third mounting groove 31, and the accommodating groove 13 can all be T-shaped grooves, dovetail grooves or reverse dovetail grooves, etc. The lifting unit 40 can be a hydraulic cylinder, etc.
[0101] An embodiment of the present utility model further provides a wire cutting machine, which includes a cutting device and the clamping device in any of the above embodiments. The wire cutting machine is a cutting device for cutting hard and brittle material rods such as single crystal silicon material rods, polycrystalline silicon material rods, sapphire rods, and magnetic material rods. The wire cutting machine has the advantages of high efficiency, high productivity, and high precision. Its principle is to rub the workpiece to be processed by a cutting wire moving at a high speed, so as to achieve the purpose of cutting. The wire cutting machine often uses single-wire, multi-wire diamond wires, etc. to cut off, square, and slice silicon materials, etc., in order to obtain corresponding silicon wafers or silicon materials. In this embodiment, the clamping device is used to fix the workpiece, such as a crystal bar, a half crystal bar, and two half crystal bars, and the cutting device moves the cutting wire thereon to cut the workpiece.
[0102] In some embodiments of the present utility model, the wire cutting machine is a slicing machine. It can slice silicon rods, etc. For example, crystalline silicon is the main raw material of solar panels. Crystalline silicon needs to go through processes such as squaring and slicing to be made into crystalline silicon wafers for use. Among them, the slicing process is carried out by a slicing machine, which is used to slice the squared silicon rod to form silicon wafers. The wire cutting machine in the embodiment of the present utility model can especially slice a half crystal bar and has a high cutting efficiency.
[0103] At this point, those skilled in the art should recognize that although multiple exemplary embodiments of the present utility model have been shown and described in detail herein, many other variations or modifications that conform to the principles of the present utility model can still be directly determined or derived from the content disclosed in the present utility model without departing from the spirit and scope of the present utility model. Therefore, the scope of the present utility model should be understood and determined to cover all these other variations or modifications.
Claims
1. A clamping device, characterized in that, Comprising: A clamping table having a first mounting groove and a second mounting groove; A first crystal carrier disposed on the lower side of the clamping table. A first clamping block is provided on the upper side of the first crystal carrier, and the first clamping block is mounted in the first mounting groove; the first mounting groove is configured to prevent the first clamping block from disengaging downward from the clamping table; A second crystal carrier disposed on the lower side of the clamping table, the second crystal carrier being arranged parallel to the first crystal carrier; a second clamping block is provided on the upper side of the second crystal carrier, and the second clamping block is mounted in the second mounting groove; the second mounting groove is configured to prevent the first clamping block from disengaging downward from the clamping table; A reverse unit disposed on the clamping table, the reverse unit including an input part and an output part, the reverse unit being configured such that when the input part moves upward, the output part moves downward relative to the clamping table; the output part is configured to urge the first clamping block to move downward relative to the clamping table, and / or urge the second clamping block to move downward relative to the clamping table.
2. The clamping device according to claim 1, wherein The reverse unit further includes a rotating rod rotatably mounted on the clamping table about a horizontal axis; One end of the rotating rod is the output part, or the output part is connected to one end of the rotating rod; The other end of the rotating rod is the input part, or the input part is connected to the other end of the rotating rod.
3. The clamping device according to claim 2, wherein The rotating rod is inclined, and the lower end of the rotating rod is the output part; The input part is a horizontal rod connected to the upper end of the rotating rod; or, The rotating rod is horizontally arranged; An installation hole is provided at one end of the rotating rod, and the installation hole extends along the length direction of the rotating rod; The output part is a vertical rod, and the upper end of the vertical rod is mounted in the installation hole to be rotatably and slidably mounted along the direction of the rotating rod at one end of the rotating rod; The other end of the rotating rod is the input part.
4. The clamping device according to claim 1, wherein The reverse unit further includes a cam or an eccentric circle rotatably mounted on the clamping table; the cam or the eccentric circle has the output part, and the cam or the eccentric circle has the input part or is connected to the input part; The input part includes a gear and a rack, and when the rack rises, it drives the gear to rotate, and the gear drives the cam or the eccentric circle to rotate, or the input part is a horizontal rod mounted on the side surface of the cam or the eccentric circle.
5. The clamping device according to claim 1, wherein The reverse unit further includes at least two steering wheels and an annular structure disposed outside the at least two steering wheels; the annular structure has a first vertical section and a second vertical section arranged oppositely; The input part is connected to the first vertical section, and the output part is connected to the second vertical section.
6. The clamping device according to claim 1, wherein The reverse unit further includes a reset member configured to urge the output portion to move upward relative to the clamping table.
7. The clamping device according to claim 1, wherein, Further included are: a clamping seat and a lifting unit mounted on the clamping seat, the lifting unit being configured to drive the input portion to move up and down; The clamping seat is used to define the upward movement stroke of the clamping table relative to the clamping seat, or to define the upward movement stroke of the first crystal carrier and the second crystal carrier relative to the clamping seat.
8. The clamping device according to claim 7, wherein the clamping table is fixedly installed on or integrally formed with the clamping seat; or, the clamping table is movably installed up and down on the clamping seat.
9. The clamping device according to claim 7, wherein the clamping seat has a third installation groove, and the clamping table is installed in the third installation groove.
10. The clamping device according to claim 7, wherein the clamping seat has a first limiting surface, and the clamping table has a second limiting surface, the first limiting surface being configured to contact and abut against the second limiting surface to define the upward movement stroke of the clamping table relative to the clamping seat.
11. The clamping device according to claim 7, characterized in that, Further included are: a positioning assembly disposed between the first crystal carrier or the first clamping block and the clamping seat to define the upward movement stroke of the first crystal carrier relative to the clamping seat, and / or disposed between the second crystal carrier or the second clamping block and the clamping seat to define the upward movement stroke of the second crystal carrier relative to the clamping seat.
12. The clamping device according to claim 11, wherein the clamping table has a first through hole on the upper side of the first installation groove, the positioning assembly includes a first positioning member passing through the first through hole and contacting the upper surface of the first clamping block; the clamping table has a second through hole on the upper side of the second installation groove, the positioning assembly includes a second positioning member passing through the second through hole and contacting the upper surface of the second clamping block.
13. The clamping device according to claim 1, characterized in that, Further included are: a lifting unit mounted on the clamping table, the lifting unit being configured to drive the input portion to move up and down.
14. The clamping device according to claim 7 or 13, characterized in that, Further included is a lifting block; The clamping table further has a receiving groove between the first installation groove and the second installation groove, the lifting block is disposed in the receiving groove and is configured to drive the input portion to rise by contacting the input portion when rising; the lifting unit is configured to drive the lifting block to move up and down.
15. The clamping device according to claim 1, wherein both the first crystal carrier and the second crystal carrier are semi-sheet crystal carriers, so that the lower sides of the first crystal carrier and the second crystal carrier are both used for mounting semi-rods.
16. The clamping device according to claim 1, wherein the first crystal carrier contacts the second crystal carrier, and the lower surface of the first crystal carrier is flush with the lower surface of the second crystal carrier; or, the distance between the first crystal carrier and the second crystal carrier is less than or equal to 15 mm, and the lower surface of the first crystal carrier is flush with the lower surface of the second crystal carrier.
17. A wire cutting machine, characterized in that, Comprising the clamping device according to any one of claims 1 to 16.
18. The wire cutting machine according to claim 17, characterized in that, The wire cutting machine is a slicing machine.