Clamping device and wire cutting machine
By designing a clamping device adapted to the wire cutting machine, using the lifting block to clamp two half rods, the problem of low cutting efficiency in the prior art is solved, and efficient cutting and automatic unloading are achieved.
Patent Information
- Application Number
- CN202421914302.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-08
- Publication Date
- 2025-07-29
- 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 capability and cutting process of the wire cutting machine, and the cutting process is not suitable.
A clamping device is designed, including a clamping table, the first and second crystal support and the lifting block. The clamping of the two half rods is achieved by driving the lifting block up by the lifting block, adapting to the cutting ability of the wire cutting machine, and facilitating the unloading after the slice is completed.
It improves the cutting efficiency of half-piece cutting, simplifies operations, reduces costs, and realizes automatic acquisition of slices.
Smart Images
Figure CN223161166U_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, generally, operations such as truncating, squaring, grinding and polishing, and slicing are required to make the silicon rod into silicon wafers. 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 achieve 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, a technology has emerged in which the silicon rod is cut in half along the axial direction to obtain a half rod, and then the half rod is sliced respectively (i.e., half slices).
[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 two half rods at the same time, which is beneficial to matching the cutting ability and cutting process of the wire cutting machine, and adapting to the blanking process after cutting, and thus is beneficial to improving the cutting efficiency of half-slice cutting.
[0005] Specifically, the utility model provides a clamping device, which includes:
[0006] A clamping table, the clamping table has a first installation groove, a second installation groove and a receiving groove, the receiving groove is between the first installation groove and the second installation groove, and the receiving groove is communicated with both the first installation groove and the second installation groove; the receiving groove is configured to receive a lifting block;
[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 clamping block is configured to contact or connect with the lifting block to rise under the drive of the lifting block;
[0008] A second crystal holder, the second crystal holder is arranged on the lower side of the clamping table, and 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 clamping block is configured to contact or connect with the lifting block to rise under the drive of the lifting block.
[0009] Optionally, the communication space between the first installation groove and the accommodation groove is a first communication notch, and the first communication notch is located above the accommodation groove;
[0010] The communication space between the second installation groove and the accommodation groove is a second communication notch, and the second communication notch is located above the accommodation groove;
[0011] Part of the first clamping block is located above the first communication notch, and part of the second clamping block is located above the second communication notch.
[0012] Optionally, the clamping device further includes a lifting block, which is arranged in the accommodation groove and is configured to drive the first clamping block and the second clamping block to rise when rising by contacting the first clamping block and the second clamping block.
[0013] Optionally, part of the lifting block is located below the first communication notch, and part of the lifting block is located below the second communication notch.
[0014] Optionally, the clamping device further includes:
[0015] A clamping seat and a lifting unit installed on the clamping seat, and the lifting unit is configured to drive the lifting block to rise and fall;
[0016] 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.
[0017] Optionally, the clamping table is fixedly installed on or integrally formed with the clamping seat; or,
[0018] The clamping table is movably installed up and down on the clamping seat.
[0019] Optionally, the clamping seat has a third installation groove, and the clamping table is installed in the third installation groove.
[0020] Optionally, the third installation groove is used to prevent the clamping table from disengaging downward from the clamping seat. The third installation groove is horizontally arranged, and at least one end of the third installation groove penetrates through the clamping seat.
[0021] Optionally, the third installation groove 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.
[0022] Optionally, the clamping device further includes a positioning component, which is 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 is 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.
[0023] Optionally, the clamping table has a first through hole on the upper side of the first installation groove, and the positioning component includes a first positioning member that passes through the first through hole and contacts the upper surface of the first clamping block;
[0024] The clamping table has a second through hole on the upper side of the second installation groove, and the positioning component includes a second positioning member that passes through the second through hole and contacts the upper surface of the second clamping block.
[0025] Optionally, the first positioning member is fixedly connected to the clamping seat, or the first positioning member is disposed on the clamping seat or the clamping table so as to be movable up and down, and the upper end of the first positioning member is configured to contact the clamping seat;
[0026] The second positioning member is fixedly connected to the clamping seat, or the second positioning member is disposed on the clamping seat or the clamping table so as to be movable up and down, and the upper end of the second positioning member is configured to contact the clamping seat.
[0027] Optionally, the clamping device further includes a lifting unit installed on the clamping table, and the lifting unit is configured to drive the lifting block to move up and down.
[0028] Optionally, the first installation groove is used to prevent the first clamping block from disengaging downward from the clamping table; the first installation groove is horizontally arranged, and at least one end of the first installation groove penetrates through the clamping table;
[0029] The second installation groove is used to prevent the second clamping block from disengaging downward from the clamping table, the second installation groove is horizontally arranged, and at least one end of the second installation groove penetrates through the clamping table;
[0030] The receiving groove is used to prevent the lifting block from disengaging upward from the clamping table, the receiving groove is horizontally arranged, and at least one end of the receiving groove penetrates through the clamping table.
[0031] Optionally, the first installation groove has a third limiting surface, and the first clamping block has a fourth limiting surface, and the third limiting surface is configured to contact and abut against the fourth limiting surface to define the upward movement stroke of the first clamping block relative to the clamping table;
[0032] The second installation groove has a fifth limiting surface, and the second clamping block has a sixth limiting surface. The fifth limiting surface is configured to contact and abut against the sixth limiting surface to define the upward movement stroke of the second clamping block relative to the clamping table.
[0033] Optionally, both the first crystal holder and the second crystal holder are semi - sheet - type crystal holders, so that the lower sides of the first crystal holder and the second crystal holder are both used for mounting semi - rods.
[0034] Optionally, the first crystal holder contacts the second crystal holder, and the lower surface of the first crystal holder is flush with the lower surface of the second crystal holder.
[0035] Optionally, a first guiding post is provided on the top wall of the first installation groove, and a first guiding groove is provided on the top wall of the first clamping block. The first guiding post is inserted into the first guiding groove; a first wheel for supporting the first clamping block is provided on the groove wall of the first installation groove.
[0036] A second guiding post is provided on the top wall of the second installation groove, and a second guiding groove is provided on the top wall of the second clamping block. The second guiding post is inserted into the second guiding groove; a second wheel for supporting the second clamping block is provided on the groove wall of the second installation groove.
[0037] The present utility model also provides a wire cutting machine, which includes any one of the above - mentioned clamping devices.
[0038] In the clamping device and the wire cutting machine of the present utility model, there are two crystal holders capable of adapting to the bonding of semi - rods, and a clamping table capable of clamping the two semi - sheet - type crystal holders, so that the crystal bar can be installed on the existing wire cutting machine. When the wire cutting machine cuts, the whole crystal bar is cut simultaneously, which is beneficial to utilizing the cutting ability of the existing wire cutting machine.
[0039] Specifically, when the clamping device of the present utility model installs semi - rods, each crystal holder installs one semi - rod, and there are no problems such as interference and extrusion, and the installation difficulty is low. Obviously, two semi - rods can be cut simultaneously. Compared with separately cutting the two semi - rods in batches, it is beneficial to improve the cutting efficiency of semi - sheet cutting; and when the slicing machine slices the two semi - rods simultaneously, it is beneficial to adapt to the cutting ability and cutting process of the slicing machine. On the other hand, when discharging after slicing, the two crystal holders can be separated, that is, the slices on the crystal holders can be separated, which is beneficial to obtaining the slices. That is, before debonding, the two crystal holders are separated, and each semi - rod is adhered to a separate crystal holder, so that the subsequent processes of debonding, inserting, and washing can be automated. Obviously, the clamping device of the present utility model provides technical support for conveniently obtaining smaller slices.
[0040] Further, in the clamping device and the wire cutting machine of the present utility model, due to the presence of the receiving groove, and the receiving groove is in communication with both the first mounting groove and the second mounting groove, the lifting block can come into contact with both the first clamping block and the second clamping block after entering the receiving groove, and at the same time drive the first clamping block and the second clamping block to rise, so as to clamp the first clamping block and the second clamping block, thereby realizing the clamping of the ingot and semi-ingot. The structure is simple and the operation is convenient.
[0041] Further, in the clamping device and the wire cutting machine of the present utility model, since there is a clamping table with a receiving groove, when in use, after the lifting block extends into the receiving groove, it can directly act on the first clamping block and the second clamping block, driving the two crystal holders to rise for clamping, and there is no need to improve the existing clamping seat. Even if it is necessary to improve the existing clamping seat, the improvement is relatively small, which is beneficial to reducing costs. That is to say, when in use, after the crystal holder is installed on the clamping table, the whole formed by the crystal holder and the clamping table is then installed on the clamping seat, which is convenient for the transfer and installation of the ingot. Moreover, this clamping seat can directly utilize the clamping seat in the existing wire cutting machine. That is to say, in 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 significantly modified, which is beneficial to reducing costs.
[0042] Based on 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 clear about the above and other objects, advantages and features of the present utility model. Brief Description of the Drawings
[0043] Some specific embodiments of the present utility model will be described in detail hereinafter with reference to the accompanying drawings in an exemplary but non-limiting 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:
[0044] Figure 1 is a schematic structural diagram of a clamping device according to an embodiment of the present utility model;
[0045] Figure 2 is Figure 1 a schematic side view of the shown clamping device;
[0046] Figure 3 is along Figure 2 a schematic cross-sectional view taken along A-A in
[0047] Figure 4 is a schematic structural diagram of a clamping device according to an embodiment of the present utility model;
[0048] Figure 5 is Figure 4 a schematic side view of the shown clamping device;
[0049] Figure 6 is a schematic sectional view taken along Figure 5 B - B in the figure;
[0050] Figure 7 is a schematic sectional view taken along Figure 5 C - C in the figure;
[0051] Figure 8 is a schematic structural diagram of a clamping device according to an embodiment of the present utility model;
[0052] Figure 9 is Figure 8 a schematic side view of the shown clamping device;
[0053] Figure 10 is a schematic sectional view taken along Figure 9 D - D in the figure.
[0054] Explanation of reference numerals:
[0055] 10. Clamping table; 11. Accommodating groove; 21. First crystal holder; 22. Second crystal holder; 25. First clamping block; 26. Second clamping block; 27. First wheel; 28. Second wheel; 30. Clamping seat; 31. Third installation groove; 32. Third guide post; 40. Lifting unit; 41. Lifting block; 51. First positioning member; 52. Second positioning member. Detailed implementation manners
[0056] The following will refer to Figures 1 to 10 to describe the clamping device and wire cutting machine of 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 construed as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Thus, features defined with "first" and "second" may explicitly or implicitly include at least one of such features, that is, include 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 defined or limited, terms such as "arranged", "installed", "connected", "joined", "fixed", "coupled", etc. should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or integrated; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside 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 circumstances.
[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 other features between them. 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 simply indicating that the first feature is at a higher horizontal level than the second feature. The first feature being "under", "beneath", or "below" the second feature may be that the first feature is directly below or obliquely below the second feature, or simply indicating that the first feature is at a lower horizontal level 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 that A is above B, 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 description referring to terms such as "one embodiment", "some embodiments", "illustrative embodiments", "examples", "specific examples", or "some examples", etc. means that the specific features, structures, materials, or characteristics described in connection with that embodiment or example are included in at least one embodiment or example of the present utility model. In this specification, the schematic expressions 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 "plural" 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 an associative relationship describing objects, indicating that three relationships can exist. 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 referring to Figure 2 and Figure 3 , an embodiment of the present utility model provides a clamping device, which includes a clamping table 10, a first crystal holder 21, and a second crystal holder 22.
[0064] The clamping table 10 has a first installation groove, a second installation groove, and a receiving groove 11. The receiving groove 11 is located between the first installation groove and the second installation groove, and the receiving groove 11 communicates with both the first installation groove and the second installation groove. The receiving groove 11 is used to receive a lifting block 41, and the lifting block 41 can also be referred to as a mushroom head. The lifting block is connected to a lifting unit 40 and rises and falls under the drive of the lifting unit 40.
[0065] The first crystal holder 21 is arranged on the lower side of the clamping table 10. A first clamping block 25 is arranged on the upper side of the first crystal holder 21, and the first clamping block 25 is installed in the first installation groove. The first clamping block 25 is configured to contact or connect with the lifting block 41 and can at least rise under the drive of the lifting block 41. That is to say, the lifting block 41 can drive the first clamping block 25 to rise during the rising process. When the lifting block 41 descends, the first clamping block 25 can be driven by the lifting block 41 to descend, or the first clamping block 25 follows the lifting block 41 to descend by relying on its own gravity / the gravity of the connected object.
[0066] The second crystal holder 22 is arranged on the lower side of the clamping table 10, and the second crystal holder 22 is arranged in parallel with the first crystal holder 21. A second clamping block 26 is arranged on the upper side of the second crystal holder 22, and the second clamping block 26 is installed in the second installation groove. The second clamping block 26 is configured to contact or connect with the lifting block 41 and can at least rise under the drive of the lifting block 41. That is to say, the lifting block 41 can drive the second clamping block 26 to rise during the rising process. When the lifting block 41 descends, the second clamping block 26 can be driven by the lifting block 41 to descend, or the second clamping block 26 follows the lifting block 41 to descend by relying on its own gravity / the gravity of the connected object.
[0067] When the clamping device of the embodiment of the present utility model is in use, the first crystal holder 21 and the second crystal holder 22 are respectively used to adhere to the crystal bar to be cut (which can be a semi-bar). First, the first crystal holder 21 and the second crystal holder 22 can be installed on the clamping table 10, and then the whole composed of the clamping table 10, the first crystal holder 21, and the second crystal holder 22 is installed on a wire cutting machine. At this time, the lifting block 41 on the wire cutting machine can be inserted into the receiving groove 11 and simultaneously contact the first clamping block 25 and the second clamping block 26, driving the first clamping block 25 and the second clamping block 26 to rise, realizing the clamping of the crystal holder, and then realizing the clamping of the crystal bar to be cut. Then, the cutting device of the wire cutting machine is used for cutting.
[0068] In some alternative embodiments, the clamping table 10 can also be fixedly arranged on the wire cutting machine. Then, the first crystal carrier 21 and the second crystal carrier 22 are respectively installed on the clamping table 10. The lifting block 41 on the wire cutting machine is used to drive the first clamping block 25 and the second clamping block 26 to rise, so as to clamp the crystal carrier. Then, the cutting device is used for cutting. At the same time, the reverse operation can also realize the disassembly of the crystal carrier, that is, on a working platform, the functions of clamping, fastening and disassembling the two half rods are realized.
[0069] In the embodiment of the present utility model, since there is a receiving groove 11, and the receiving groove 11 is communicated with the first installation groove and the second installation groove, the lifting block 41 can contact both the first clamping block 25 and the second clamping block 26 after entering the receiving groove 11, and at the same time drive the first clamping block 25 and the second clamping block 26 to rise to clamp the first clamping block 25 and the second clamping block 26, thereby realizing the clamping of the two half rods. The structure is simple and the operation is convenient.
[0070] Furthermore, the clamping device in the embodiment of the present utility model has two crystal carriers, namely the first crystal carrier 21 and the second crystal carrier 22. The crystal carriers are both half-piece crystal carriers that can be adapted to bond the half rods, that is, a half 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 the existing wire cutting machine. When the wire cutting machine cuts, the whole crystal bar is cut at the same time, which is beneficial to utilize the cutting ability of the existing wire cutting machine.
[0071] Specifically, when installing the 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. The slicing machine can cut the two half rods at the same time, and the cutting ability can be effectively exerted, which can reduce the cost. After slicing, the two crystal carriers can be separated to realize blanking, and the automatic degumming operation can be carried out on the slices on the two crystal carriers respectively, which is beneficial to the acquisition of the obtained slices. Obviously, the clamping device in the embodiment of the present utility model provides technical support for conveniently obtaining smaller slices.
[0072] In some embodiments of the present utility model, the first crystal carrier 21 contacts 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 forming a whole of the two half rods on the first crystal carrier 21 and the second crystal carrier 22, which is beneficial to the cutting device to cut the crystal bar at the same time 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.
[0073] In some embodiments of the present utility model, both the first crystal carrier 21 and the second crystal carrier 22 are semi - sheet - type crystal carriers, so that semi - rods are respectively installed on the lower sides of the first crystal carrier 21 and the second crystal carrier 22. Such a setting enables the cutting device to cut two semi - rods simultaneously, and it is easy to obtain smaller slices after cutting.
[0074] 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, both of the two semi - rods carried by the first crystal carrier 21 and the second crystal carrier 22 can be larger than or smaller than or equal to half of the square rod in the geometric sense.
[0075] In some alternative embodiments of the present utility model, the sizes of the first crystal carrier 21 and the second crystal carrier 22 can be set according to actual needs. For example, crystal rods are respectively installed on the lower sides of the first crystal carrier 21 and the second crystal carrier 22. In some other alternative embodiments of the present utility model, the lower surface of the first crystal carrier 21 can also be smaller than or larger than the lower surface of the second crystal carrier 22.
[0076] In some embodiments of the present utility model, as Figure 3 shown, the first installation groove is used to prevent the first clamping block 25 from disengaging downward from the clamping table 10. The second installation groove is used to prevent the second clamping block 26 from disengaging downward from the clamping table 10. Such a setting is beneficial to protecting the crystal rods, semi - rods, etc. on the first crystal carrier 21 and the second crystal carrier 22, and is also beneficial to the transportation of crystal rods, semi - rods, etc. In some optional embodiments of the present utility model, when the lifting block directly drives the crystal carrier to move upward, the installation grooves of the crystal carrier, that is, the first installation groove and the second installation groove, can be set not to prevent the clamping block from disengaging downward from the clamping table 10, and the lifting block is used to prevent the clamping block from disengaging downward from the clamping table 10. Of course, for the convenience of transporting the crystal carrier and protecting the crystal carrier, etc., the installation grooves of the crystal carrier are preferably set to prevent the clamping block from disengaging downward from the clamping table 10.
[0077] In some embodiments of the present utility model, the communication space between the first installation groove and the accommodation groove 11 is a first communication notch, and the first communication notch is located above the accommodation groove 11. The communication space between the second installation groove and the accommodation groove 11 is a second communication notch, and the second communication notch is located above the accommodation groove 11. A part of the first clamping block 25 is located above the first communication notch, and a part of the second clamping block 26 is located above the second communication notch. Such a setting makes the structure of the clamping table 10 simple, easy to process and manufacture, and is beneficial to the contact between the lifting block and the first clamping block 25 and the second clamping block 26.
[0078] In some embodiments of the present utility model, the clamping device further includes the above-mentioned lifting block 41. The lifting block 41 is arranged in the accommodation groove 11, and the lifting block 41 is configured to drive the first clamping block 25 and the second clamping block 26 to rise when rising by contacting the first clamping block 25 and the second clamping block 26. Further, a part of the lifting block 41 is located below the first communication notch, and a part of the lifting block 41 is located below the second communication notch. Preferably, the number of the lifting blocks 41 is multiple, and they are arranged at intervals in sequence along the length direction of the accommodation groove 11. The multiple lifting blocks 41 move synchronously.
[0079] In some embodiments of the present utility model, the clamping device further includes a clamping seat 30 and a lifting unit 40 installed on the clamping seat 30. The lifting unit 40 is configured to drive the lifting block 41 to rise and fall, that is, the lifting unit 40 is configured to drive the first crystal carrier 21 and the second crystal carrier 22 to move upward. The clamping seat 30 is used to limit the upward movement stroke of the clamping table 10 relative to the clamping seat 30. When clamping, the lifting unit 40 drives the first crystal carrier 21 and the second crystal carrier 22 to move upward. After the first crystal carrier 21 and the second crystal carrier 22 are blocked by the clamping table 10, the first crystal carrier 21 and the second crystal carrier 22 drive the clamping table 10 to rise until the clamping table 10 is blocked by the clamping seat 30, realizing the clamping of the first crystal carrier 21 and the second crystal carrier 22.
[0080] In some other embodiments of the present utility model, the clamping seat 30 is used to limit the upward movement stroke of the first crystal carrier 21 and the second crystal carrier 22 relative to the clamping seat 30. When clamping, the lifting unit 40 drives the first crystal carrier 21 and the second crystal carrier 22 to move upward, and the first crystal carrier 21 and the second crystal carrier 22 are clamped after being blocked by the clamping seat 30.
[0081] 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, such as Figures 8 to 10As shown, without the 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. The clamping table 10 is used to define the upward movement stroke of the first crystal carrier 21 and the second crystal carrier 22 relative to the clamping table 10. In use, when directly installing the two crystal carriers on the clamping seat 30, during the transfer of the crystal bar and the semi-bar, it is the transfer of each crystal carrier and the crystal bar bonded on the crystal carrier, rather than the transfer of the whole formed by the crystal carrier and the clamping table 10.
[0082] In some embodiments of the present invention, 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. During the transfer of the crystal bar and the semi-bar, the first crystal carrier 21, the second crystal carrier 22 and the crystal bar bonded on the crystal carrier are transferred.
[0083] 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 Figures 4 to 7 shown, the clamping seat 30 has a third installation groove 31, and the clamping table 10 is installed in the third installation groove 31. In use, after installing the crystal carrier on the clamping table 10, then installing the whole formed by the crystal carrier and the clamping table 10 on the clamping seat 30, which is convenient for the transfer 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 embodiment of the present invention, 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 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 40 and the lifting block 41 are used to prevent the clamping table 10 from disengaging downward from the clamping seat 30.
[0084] In some embodiments of the present invention, 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 define 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.
[0085] In some embodiments of the present utility model, the first installation groove has a third limiting surface, and the first clamping block 25 has a fourth limiting surface. The third limiting surface is configured to contact and abut against the fourth limiting surface to limit the upward movement stroke of the first clamping block 25 relative to the clamping table 10. The second installation groove has a fifth limiting surface, and the second clamping block 26 has a sixth limiting surface. The fifth limiting surface is configured to contact and abut against the sixth limiting surface to limit the upward movement stroke of the second clamping block 26 relative to the clamping table 10. Specifically, the top surface of the first installation groove is the third limiting surface, and the upper surface of the first clamping block 25 is the fourth limiting surface. The top surface of the second installation groove is the fifth limiting surface, and the upper surface of the second clamping block 26 is the sixth limiting surface.
[0086] In some embodiments of the present utility model, as Figures 4 to 7 shown, the clamping device further includes a positioning assembly. The positioning assembly is disposed between the first crystal carrier 21 or the first clamping block 25 and the clamping seat 30 to limit 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 limit the upward movement stroke of the second crystal carrier 22 relative to the clamping seat 30. A positioning assembly is disposed between the clamping seat 30 and the crystal carrier. The clamping seat 30 limits the upward movement of the positioning assembly, and the positioning assembly limits the upward movement of the crystal carrier, thereby realizing the function of the clamping seat 30 for limiting the upward movement strokes of the first crystal carrier 21 and the second crystal carrier 22 relative to the clamping seat 30.
[0087] 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. The positioning assembly includes a first positioning member 51. The first positioning member 51 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. The positioning assembly includes a second positioning member 52. The second positioning member 52 passes through the second through hole and contacts the upper surface of the second clamping block 26.
[0088] 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 crystal carrier to move upward. As the crystal carrier moves upward, the positioning assembly 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 a positioning assembly.
[0089] In the embodiment of the present utility model, the surfaces of the positioning members, namely the first positioning member 51 and the second positioning member 52, for positioning are significantly smaller than the top surface of the crystal tray mounting groove. Correspondingly, the positioning surfaces corresponding to the upper surfaces of the clamping blocks on the crystal tray, namely the first clamping block 25 and the second clamping block 26, are only a part of the upper surface of the clamping blocks. This can significantly reduce the machining surface. When machining a smaller machining surface, it is obviously beneficial to reduce the machining cost while improving the machining quality. Moreover, due to the high machining quality of the machining surface, that is, the high flatness of the machining surface, it is beneficial to improve the clamping effect. That is, the clamping device of the present utility model has a lower cost and a higher clamping effect compared with the existing clamping devices.
[0090] Furthermore, since the perforation is located on the upper side of the mounting groove of the crystal tray, the positioning member 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 tray deflection when clamping at the edge position of the crystal tray, that is, it is beneficial to prevent one side of the crystal tray from being higher than the other side. When clamping in the middle, compared with clamping on both sides of the crystal tray, the machining cost can be reduced.
[0091] Particularly, in the clamping device and the wire cutting machine of the present utility model, since there are two crystal trays and the distance between the two crystal trays is relatively close or they need to be in contact, it is impossible to clamp on both sides of each crystal tray, that is, the problem of crystal tray deflection cannot be solved. In view of this, the present utility model adopts the scheme of middle clamping with perforations and positioning members, which is beneficial to make the lower surfaces of the two crystal trays be in the same plane.
[0092] In some embodiments of the present utility model, the first positioning member 51 is fixedly connected to the clamping seat 30. Alternatively, the first positioning member 51 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 51 is configured to contact the clamping seat 30.
[0093] In some embodiments of the present utility model, the second positioning member 52 is fixedly connected to the clamping seat 30. Alternatively, the second positioning member 52 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 52 is configured to contact the clamping seat 30.
[0094] That is to say, in some embodiments of the present utility model, the positioning assembly is fixedly connected to the clamping seat 30. For example, the positioning assembly can be installed on the clamping seat 30, or the positioning assembly and the clamping seat 30 are integrally formed. It can also be said that a smaller clamping mating surface is provided on the clamping seat 30 to reduce the cost.
[0095] In some other embodiments of the present utility model, the positioning assembly is arranged to be movable up and down, and the upper end of the positioning assembly is configured to contact the clamping seat 30. That is to say, the positioning assembly is arranged to move up and down on the clamping seat 30 or the clamping table 10. Preferably, the positioning assembly is arranged to be movable up and down on the clamping table 10. By setting the movable solution, for example, directly placing the positioning member into the corresponding through hole, it is beneficial to the replacement of the positioning member and also beneficial to the installation of the clamping device.
[0096] In some embodiments of the present utility model, the through hole of the clamping table 10 has a movement position on the lower side of the positioning assembly. In particular, when the positioning assembly 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 can also guide the lifting of the clamping table 10. In this embodiment, the clamping table 10 needs to be arranged to be movable up and down on the clamping seat 30.
[0097] In some embodiments of the present utility model, the clamping device further includes a reset unit, and the reset unit is arranged between the clamping table 10 and the positioning assembly, and is configured to urge the lower end of the positioning assembly to remain on the upper side of the crystal holder installation groove.
[0098] For example, the reset unit can be a compression spring, which is sleeved on the positioning member. In the initial position, the lower end of the positioning member is on the upper side of the crystal holder installation groove, that is, not in the crystal holder installation groove. In this way, when installing the crystal holder, 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 arranged to be movable up and down on the clamping seat 30.
[0099] In some alternative embodiments of the present utility model, the lower end of the positioning assembly can also extend into the crystal holder installation groove, as long as it does not prevent the installation of the clamping block. Even if the installation is a bit difficult, it is an acceptable solution. The lower end of the positioning assembly can also be made to extend into the crystal holder installation groove by using the reset unit.
[0100] In some embodiments of the present utility model, the positioning assembly is a limit post or a limit block, and the projection of the positioning assembly in the horizontal plane is circular, square, polygonal or plum blossom-shaped.
[0101] In some embodiments of the present utility model, the first installation groove is horizontally arranged, and at least one end of the first installation groove penetrates through the clamping table 10. The second installation groove is horizontally arranged, and at least one end of the second installation groove penetrates through the clamping table 10. The installation groove for installing the crystal holder penetrating through the clamping table 10 is beneficial to the installation of the crystal holder.
[0102] In some embodiments of the present utility model, a first guiding post is provided on the top wall of the first mounting groove, a first guiding groove is provided 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 27 for supporting the first clamping block 25 is provided on the groove wall of the first mounting groove. A second guiding post is provided on the top wall of the second mounting groove, a second guiding groove is provided 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 28 for supporting the second clamping block 26 is provided on the groove wall of the second mounting groove. In this embodiment, due to the presence of the guiding post, guiding groove and wheels, it is beneficial to improve the accuracy of the crystal holder installation and the installation speed of the crystal holder. In some embodiments of the present utility model, a third wheel for supporting the clamping table 10 is provided on the groove wall of the third mounting groove 31. A third guiding post 32 is provided on the top wall of the third mounting groove 31, a third guiding groove is provided on the top wall of the clamping table 10, and the third guiding post 32 is inserted into the third guiding groove.
[0103] In some embodiments of the present utility model, the first mounting groove, the second mounting groove, the third mounting groove 31, and the receiving groove 11 can all be T-shaped grooves, dovetail grooves or reverse dovetail grooves, etc. The lifting unit 40 can be a hydraulic cylinder, etc.
[0104] The embodiment of the present utility model also 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, high precision, etc. 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 silicon materials, etc. for truncation, squaring, and slicing, so as to obtain corresponding silicon wafers or silicon materials. In this embodiment, the workpiece, such as a crystal rod, half a crystal rod, or two half crystal rods, is fixed by using the clamping device, and the cutting device moves the cutting wire thereon to cut the workpiece.
[0105] In some embodiments of the present utility model, the wire cutting machine is a slicing machine. Silicon rods, etc. can be sliced. For example, crystalline silicon is the main raw material of solar panels. Crystalline silicon needs to go through processes such as squaring and slicing before it can 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 of the embodiment of the present utility model can especially slice half a crystal rod and has a high cutting efficiency.
[0106] 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 based on 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 such other variations or modifications.
Claims
1. A clamping device, characterized in that, Comprising: A clamping table, the clamping table having a first mounting groove, a second mounting groove, and a receiving groove, the receiving groove being between the first mounting groove and the second mounting groove, the receiving groove communicating with both the first mounting groove and the second mounting groove; the receiving groove is configured to receive a lifting block; A first crystal carrier, the first crystal carrier being disposed on the lower side of the clamping table, a first clamping block being provided on the upper side of the first crystal carrier, the first clamping block being mounted in the first mounting groove; the first clamping block is configured to contact or connect with the lifting block to rise under the drive of the lifting block; A second crystal carrier, the second crystal carrier being 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 being provided on the upper side of the second crystal carrier, the second clamping block being mounted in the second mounting groove; the second clamping block is configured to contact or connect with the lifting block to rise under the drive of the lifting block.
2. The clamping device according to claim 1, wherein The communication space between the first mounting groove and the receiving groove is a first communication notch, the first communication notch being above the receiving groove; The communication space between the second mounting groove and the receiving groove is a second communication notch, the second communication notch being above the receiving groove; A part of the first clamping block is above the first communication notch, and a part of the second clamping block is above the second communication notch.
3. The clamping device according to claim 2, characterized in that, Further comprising: The lifting block, the lifting block being disposed in the receiving groove, the lifting block being configured to drive the first clamping block and the second clamping block to rise by contacting the first clamping block and the second clamping block when rising.
4. The clamping device according to claim 3, wherein A part of the lifting block is below the first communication notch, and a part of the lifting block is below the second communication notch.
5. The clamping device according to claim 3, wherein, Further comprising: A clamping seat and a lifting unit mounted on the clamping seat, the lifting unit being configured to drive the lifting block to move up and down; The clamping seat is used to limit the upward movement stroke of the clamping table relative to the clamping seat, or to limit the upward movement stroke of the first crystal carrier and the second crystal carrier relative to the clamping seat.
6. The clamping device according to claim 5, wherein The clamping table is fixedly mounted on or integrally formed with the clamping seat; or, The clamping table is movably mounted up and down on the clamping seat.
7. The clamping device according to claim 5, wherein The clamping seat has a third mounting groove, and the clamping table is mounted in the third mounting groove.
8. The clamping device according to claim 7, wherein The third mounting groove is used to prevent the clamping table from disengaging downward from the clamping seat, the third mounting groove is horizontally arranged, and at least one end of the third mounting groove penetrates the clamping seat.
9. 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 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.
10. The clamping device according to claim 5, characterized in that, Further included is: a positioning assembly, which is 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 is 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.
11. The clamping device according to claim 10, wherein the clamping table has a first through hole located above the first installation groove. The positioning assembly includes a first positioning member that passes through the first through hole and contacts the upper surface of the first clamping block; the clamping table has a second through hole located above the second installation groove. The positioning assembly includes a second positioning member that passes through the second through hole and contacts the upper surface of the second clamping block.
12. The clamping device according to claim 11, wherein the first positioning member is fixedly connected to the clamping seat, or the first positioning member is disposed on the clamping seat or the clamping table in a vertically movable manner, and the upper end of the first positioning member is configured to contact the clamping seat; the second positioning member is fixedly connected to the clamping seat, or the second positioning member is disposed on the clamping seat or the clamping table in a vertically movable manner, and the upper end of the second positioning member is configured to contact the clamping seat.
13. The clamping device according to claim 3, characterized in that, Further included is: a lifting unit, which is installed on the clamping table. The lifting unit is configured to drive the lifting block to move up and down; the clamping table is used to define the upward movement stroke of the first crystal carrier and the second crystal carrier relative to the clamping table.
14. The clamping device according to claim 3, wherein the first installation groove is used to prevent the first clamping block from disengaging downward from the clamping table; the first installation groove is horizontally arranged, and at least one end of the first installation groove penetrates through the clamping table; the second installation groove is used to prevent the second clamping block from disengaging downward from the clamping table. The second installation groove is horizontally arranged, and at least one end of the second installation groove penetrates through the clamping table; the receiving groove is used to prevent the lifting block from disengaging upward from the clamping table. The receiving groove is horizontally arranged, and at least one end of the receiving groove penetrates through the clamping table.
15. The clamping device according to claim 1, wherein the first installation groove has a third limiting surface, and the first clamping block has a fourth limiting surface. The third limiting surface is configured to contact and abut against the fourth limiting surface to define the upward movement stroke of the first clamping block relative to the clamping table; the second installation groove has a fifth limiting surface, and the second clamping block has a sixth limiting surface. The fifth limiting surface is configured to contact and abut against the sixth limiting surface to define the upward movement stroke of the second clamping block relative to the clamping table.
16. The clamping device according to claim 1, wherein both the first crystal holder and the second crystal holder are semi - sheet - type crystal holders, so that the lower sides of the first crystal holder and the second crystal holder are both used for mounting semi - rods.
17. The clamping device according to claim 1, wherein the first crystal holder contacts the second crystal holder, and the lower surface of the first crystal holder is flush with the lower surface of the second crystal holder; or the distance between the first crystal holder and the second crystal holder is less than or equal to 15 mm, and the lower surface of the first crystal holder is flush with the lower surface of the second crystal holder.
18. The clamping device according to claim 1, wherein a first guiding post is provided on the top wall of the first installation groove, a first guiding groove is provided on the top wall of the first clamping block, and the first guiding post is inserted into the first guiding groove; a first wheel for supporting the first clamping block is provided on the groove wall of the first installation groove; a second guiding post is provided on the top wall of the second installation groove, a second guiding groove is provided on the top wall of the second clamping block, and the second guiding post is inserted into the second guiding groove; a second wheel for supporting the second clamping block is provided on the groove wall of the second installation groove.
19. A wire cutting machine, characterized in that, comprises the clamping device according to any one of claims 1 to 18.
20. The wire cutting machine according to claim 19, wherein, The wire cutting machine is a slicing machine.