Clamping device and wire cutting machine
By designing the clamping table and crystal support structure of the clamping device, the problem of low cutting efficiency of half rods in the prior art is solved, and the effect of cutting two half rods at the same time is achieved and the cutting efficiency and automation are improved.
Patent Information
- Application Number
- CN202421915091.7
- 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 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 retention strips, and the locking strips are used to drive the crystal retention upward to achieve clamping of the half rods, which can clamp and cut two half rods at the same time, and facilitate the unloading after the slicing is completed.
The cutting efficiency of half-piece cutting is improved, the cutting capacity and cutting process of adapted to the wire cutting machine is simplified, the cutting process is reduced, and the cost is realized is realized.
Smart Images
Figure CN223161168U_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, the silicon rod needs to go through operations such as truncating, squaring, grinding and polishing, slicing to be made into silicon wafers. The slicing operation is completed by a slicing machine. The silicon rod is bonded to a crystal carrier, and the crystal carrier 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-size silicon wafers is increasing. In order to obtain small-size 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 slice).
[0003] However, when using the clamping mechanism in the prior art for cutting the half rod, due to the mismatch with the cutting ability, cutting process, blanking process, etc. 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 slice cutting.
[0005] Specifically, the utility model provides a clamping device, which includes:
[0006] A clamping table, which has a first installation groove and a second installation groove;
[0007] A first crystal carrier, which is arranged on the lower side of the clamping table. A first clamping block is arranged on the upper side of the first crystal carrier, and the first clamping block is installed in the first installation groove;
[0008] A second crystal carrier, which is arranged on the lower side of the clamping table and is arranged in parallel with the first crystal carrier; a second clamping block is arranged on the upper side of the second crystal carrier, and the second clamping block is installed in the second installation groove;
[0009] A locking bar, which is configured to drive the first crystal carrier and the second crystal carrier to rise simultaneously when the locking bar rises.
[0010] Optionally, a first through hole is arranged on the first clamping block, and a second through hole is arranged on the second clamping block; the locking bar passes through the first through hole and the second through hole; or,
[0011] A first relief groove is provided on the lower side of the first installation groove, and a second relief groove is provided on the lower side of the second installation groove; the locking strip is located within the first relief groove and the second relief groove, and drives the first clamping block and the second clamping block to rise by contacting the first clamping block and the second clamping block.
[0012] Optionally, the clamping table further has a receiving groove, the receiving groove is located between the first installation groove and the second installation groove, and the locking strip passes through the receiving groove.
[0013] Optionally, the clamping device further includes:
[0014] A lifting block, the lifting block is arranged in the receiving groove;
[0015] A third through hole is provided on the lifting block, and the locking strip passes through the third through hole; or,
[0016] The lifting block is arranged on the lower side of the locking strip, so that the lifting block drives the locking strip to rise by contacting the locking strip.
[0017] Optionally, the clamping device further includes:
[0018] A clamping seat and a lifting unit installed on the clamping seat, the lifting unit is configured to drive the lifting block to move up and down;
[0019] 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.
[0020] Optionally, the clamping table is fixedly installed on or integrally formed with the clamping seat; or,
[0021] The clamping table is movably installed up and down on the clamping seat.
[0022] Optionally, the clamping seat has a third installation groove, and the clamping table is installed in the third installation groove.
[0023] 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 the clamping seat.
[0024] Optionally, the clamping device further includes a first positioning member and a second positioning member;
[0025] The clamping table has a first through hole on the upper side of the first installation groove, the first positioning member passes through the first through hole and is arranged between the first clamping block and the clamping seat to limit the upward movement stroke of the first crystal carrier relative to the clamping seat
[0026] The clamping table has a second through hole on the upper side of the second installation groove. The second positioning member passes through the second through hole and is disposed between the second clamping block and the clamping seat to define the upward movement stroke of the second crystal carrier relative to the clamping seat.
[0027] Optionally, the first positioning member is fixedly connected to the clamping seat, or the first positioning member is vertically movably disposed on the clamping seat or the clamping table, and the upper end of the first positioning member is configured to contact the clamping seat;
[0028] The second positioning member is fixedly connected to the clamping seat, or the second positioning member is vertically movably disposed on the clamping seat or the clamping table, and the upper end of the second positioning member is configured to contact the clamping seat.
[0029] Optionally, the clamping device further includes:
[0030] A lifting unit, installed on the clamping table, the lifting unit is configured to drive the lifting block to lift; 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.
[0031] 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 the clamping table;
[0032] 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 the clamping table;
[0033] 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 the clamping table.
[0034] Optionally, 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 installing semi-rods.
[0035] 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. ]
[0036] The present invention also provides a wire cutting machine, which includes any one of the above clamping devices.
[0037] In the clamping device and wire cutting machine of the present utility model, it includes two crystal holders that can be adapted to bond half-rods, and a clamping table, which enables the crystal bar to be installed on an existing wire cutting machine. When the wire cutting machine cuts, the entire crystal bar is cut simultaneously, which is beneficial to utilize the cutting capacity of the existing wire cutting machine.
[0038] Specifically, when installing the half-rods in the clamping device of the present utility model, each crystal holder 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. Compared with cutting the two half-rods separately in batches, it is beneficial to improve the cutting efficiency of half-chip cutting; and the slicing machine slices the two half-rods simultaneously, which is beneficial to adapt to the cutting capacity and cutting process of the slicing machine. On the other hand, when discharging after slicing is completed, the two crystal holders can be separated, that is, the slices on the crystal holders are separated, which is beneficial to obtain the slices. That is, before degumming, the two crystal holders are separated, and each half-rod is adhered to a separate crystal holder, 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.
[0039] Furthermore, in the clamping device and wire cutting machine of the present utility model, due to having a locking strip, the lifting unit can drive the locking strip to rise, and the locking strip simultaneously drives the first clamping block and the second clamping block to rise to clamp the first clamping block and the second clamping block, thereby realizing the clamping of the crystal bar and semi-crystal bar. The structure is simple and the operation is convenient.
[0040] From the following detailed description of 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
[0041] Hereinafter, some specific embodiments of the present utility model will be described in detail 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:
[0042] Figure 1 is a schematic structural diagram of a clamping device according to an embodiment of the present utility model;
[0043] Figure 2 is Figure 1 a schematic side view of the shown clamping device;
[0044] Figure 3 is along Figure 2 A-A in the schematic sectional view;
[0045] Figure 4 is a schematic structural diagram of a clamping device according to an embodiment of the present utility model;
[0046] Figure 5 is Figure 4 a schematic cross-sectional view of the clamping device shown;
[0047] Figure 6 is along Figure 5 a schematic sectional view taken along B-B in
[0048] Figure 7 a schematic cross-sectional view of the clamping device according to an embodiment of the present utility model;
[0049] Figure 8 a schematic structural view of the clamping device according to an embodiment of the present utility model;
[0050] Figure 9 is Figure 8 a schematic side view of the clamping device shown;
[0051] Figure 10 is along Figure 9 a schematic sectional view taken along C-C in
[0052] Description of reference numerals:
[0053] 10. Clamping table; 11. Accommodating groove; 21. First crystal holder; 22. Second crystal holder; 25. First clamping block; 26. Second clamping block; 30. Clamping seat; 31. Third installation groove; 40. Lifting unit; 41. Lifting block; 42. Locking strip; 51. First positioning member; 52. Second positioning member. Detailed implementation manners
[0054] Next, 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 indicating 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, including one or more of such features. In the description of the present utility model, the meaning of "a plurality of" 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.
[0055] Unless otherwise clearly defined or limited, terms such as "set", "installed", "connected", "linked", "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 defined. 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.
[0056] 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" the second feature includes the first feature being directly above and obliquely above the second feature, or merely indicating that the first feature is at a higher horizontal height than the second feature. The first feature being "under", "beneath", or "below" the second feature may be the first feature being directly below or obliquely below the second feature, or merely indicating that the first feature is at 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 that A is above B, in the actual use process, A may be below B, or A may be on one side of B, etc.
[0057] 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 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.
[0058] Unless otherwise specified, the term "plural" means two or more.
[0059] 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 objects, indicating that there can be three relationships. For example, A and / or B means: A or B, or, A and B these three relationships.
[0060] 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.
[0061] As Figure 1 shown, and with reference to Figures 2 to 6 , an embodiment of the present utility model provides a clamping device, which includes a clamping table 10, a first crystal carrier 21, a second crystal carrier 22 and a locking bar 42. The clamping table 10 has a first installation groove and a second installation groove. The first crystal carrier 21 is arranged on the lower side of the clamping table 10, and a first clamping block 25 is arranged on the upper side of the first crystal carrier 21, and the first clamping block 25 is installed in the first installation groove. The second crystal carrier 22 is arranged on the lower side of the clamping table 10, and the second crystal carrier 22 is arranged in parallel with the first crystal carrier 21. A second clamping block 26 is arranged on the upper side of the second crystal carrier 22, and the second clamping block 26 is installed in the second installation groove. The locking bar 42 is arranged horizontally and is configured to drive the first crystal carrier 21 and the second crystal carrier 22 to rise simultaneously when rising.
[0062] When the clamping device of the embodiment of the present utility model is in use, the first crystal carrier 21 and the second crystal carrier 22 are respectively used to adhere to the crystal bar to be cut (which can be a half bar). The first crystal carrier 21 and the second crystal carrier 22 can be first installed 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 installed on a wire cutting machine. Then the locking bar 42 is installed. At this time, the lifting block (which can also be called a mushroom head) on the wire cutting machine or other structures on the wire cutting machine can drive the locking bar 42 to rise. The locking bar 42 drives the first clamping block 25 and the second clamping block 26 to rise, realizing the clamping of the crystal carrier, 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.
[0063] 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 installed on the clamping table 10, and the lifting unit on the wire cutting machine is used to drive the locking bar 42, as well as the first clamping block 25 and the second clamping block 26 to rise, realizing 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.
[0064] In the embodiment of the present utility model, due to the presence of the locking bar 42, the lifting unit can drive the locking bar 42 to rise, and the locking bar 42 drives the first clamping block 25 and the second clamping block 26 to rise simultaneously, realizing the clamping of the first clamping block 25 and the second clamping block 26, and further realizing the clamping of two half bars. The structure is simple and the operation is convenient.
[0065] Furthermore, the clamping device according to 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 entire crystal bar is cut simultaneously, which is conducive to making use of the cutting ability of the existing wire cutting machine.
[0066] Specifically, when installing the semi - rods on the clamping device, one semi - rod is installed on each crystal carrier, and there are no problems such as interference and extrusion, and the installation difficulty is low. Obviously, two semi - rods can be cut simultaneously, and the cutting ability can be effectively exerted, which can reduce costs. After slicing is completed, 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 conducive to the acquisition of the obtained slices. Obviously, the clamping device according to the embodiment of the present utility model provides technical support for conveniently obtaining smaller slices.
[0067] 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 or has a very small height difference from the lower surface of the second crystal carrier 22, and the height difference is less than 5 mm. Such a setting is conducive to making the semi - rods on the first crystal carrier 21 and the second crystal carrier 22 form a whole, which is conducive to the cutting device cutting 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.
[0068] 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 can be installed on the lower sides of the first crystal carrier 21 and the second crystal carrier 22 respectively. Such a setting enables the cutting device to cut two semi - rods simultaneously, and it is easy to obtain smaller slices after cutting.
[0069] It should also be noted here that in the photovoltaic industry, a half 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 half rod specifications may be 180×89, 180×90, 180×91, etc. That is to say, the half rod can be greater than or less 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 half rod can be: the width of the cross-section of the half 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 half rod, etc. Usually, the two half rods carried by the first crystal carrier 21 and the second crystal carrier 22 here can form a complete square rod. In the actual production and manufacturing process, both of the two half rods carried by the first crystal carrier 21 and the second crystal carrier 22 can be greater than or less than or equal to half of the square rod in the geometric sense.
[0070] In some alternative embodiments of the present invention, 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 invention, 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.
[0071] In some embodiments of the present invention, 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-crystal rods, etc. on the first crystal carrier 21 and the second crystal carrier 22, and is also beneficial to the transportation of the crystal rods, semi-crystal rods, etc.
[0072] In some optional embodiments of the present invention, when the locking bar 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 in a form that does not 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.
[0073] In some embodiments of the present invention, a first through hole is provided on the first clamping block 25, and a second through hole is provided on the second clamping block 26; the locking bar 42 passes through the first through hole and the second through hole. By installing in the way of through holes, the locking bar 42 can be firmly installed on the first clamping block 25 and the second clamping block 26, improving the stability of driving the first clamping block 25 and the second clamping block 26 to rise.
[0074] In some other embodiments of the present utility model, a first relief groove is provided on the lower side of the first installation groove, and a second relief groove is provided on the lower side of the second installation groove; the locking strip 42 is located within the first relief groove and the second relief groove, and drives the first clamping block 25 and the second clamping block 26 to rise by contacting the first clamping block 25 and the second clamping block 26.
[0075] In some embodiments of the present utility model, the clamping table 10 further has a receiving groove 11, the receiving groove 11 is located between the first installation groove and the second installation groove, and the locking strip 42 passes through the receiving groove 11. By providing the receiving groove 11, it is convenient to install the device for driving the locking strip 42 to rise, which is beneficial to improving the structural compactness of the clamping device.
[0076] For example, in some embodiments of the present utility model, the clamping device further includes a lifting block 41, the lifting block 41 is arranged in the receiving groove 11, and the lifting block 41 is configured to drive the locking strip 42 to rise when rising. Preferably, the number of lifting blocks 41 is multiple, and they are arranged at intervals in sequence along the length direction of the receiving groove 11. The multiple lifting blocks 41 move synchronously.
[0077] In some embodiments of the present utility model, as Figures 1 to 3 shown, a third through hole is provided on the lifting block 41, and the locking strip 42 passes through the third through hole.
[0078] In some other embodiments of the present utility model, as Figures 4 to 6 shown, the lifting block 41 is arranged on the lower side of the locking strip 42, so that the lifting block 41 drives the locking strip 42 to rise by contacting the locking strip 42. During installation, the first crystal carrier 21 and the second crystal carrier 22 can be first installed on the clamping table 10, then the whole formed by the clamping table 10, the first crystal carrier 21 and the second crystal carrier 22 is installed on the wire cutting machine, and then the locking strip 42 is inserted into the first through hole and the second through hole, which is beneficial to reducing the possibility of installation interference and can improve the installation convenience and installation efficiency.
[0079] In some embodiments of the present utility model, as Figures 1 to 6 shown, 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 locking strip 42, 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 define the upward movement stroke of the first crystal holder 21 and the second crystal holder 22 relative to the clamping seat 30. When clamping, the lifting unit 40 drives the first crystal holder 21 and the second crystal holder 22 to move upward. After the first crystal holder 21 and the second crystal holder 22 are blocked by the clamping seat 30, the clamping of the first crystal holder 21 and the second crystal holder 22 is realized.
[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, as Figures 8 to 10 shown, 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. The clamping table 10 is used to define the upward movement stroke of the first crystal holder 21 and the second crystal holder 22 relative to the clamping table 10. When in use, two crystal holders are directly installed 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.
[0082] In some embodiments of the present utility model, the clamping table 10 is movably installed up and down on the clamping seat 30. 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.
[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 Figure 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. When in use, after the crystal holder is installed on the clamping table 10, then the whole formed by the crystal holder and the clamping table 10 is installed on the clamping seat 30, which is convenient for the transportation and installation of the crystal bar. Moreover, this 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 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 installation groove of the clamping table 10, that is, the third installation groove 31, only facilitates the installation of the clamping table 10, and the lifting unit 40, the lifting block 41 and the locking strip 42 are used to prevent the clamping table 10 from disengaging downward from the clamping seat 30.
[0084] 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 define the upward movement stroke of the clamping table 10 relative to the clamping seat 30. Specifically, the top surface of the third mounting 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 mounting 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 define the upward movement stroke of the first clamping block 25 relative to the clamping table 10. The second mounting 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 define the upward movement stroke of the second clamping block 26 relative to the clamping table 10. Specifically, the top surface of the first mounting 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 mounting 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 Figure 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 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 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, 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.
[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 mounting 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 mounting 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 holder. Then, the crystal holder is installed on the clamping table 10 through the installation groove for the crystal holder. Next, the lifting unit 40 and the lifting block 41 can be used to directly drive the crystal holder to move upward. As the crystal holder moves upward, the positioning component acts on the crystal holder and hinders the upward movement of the crystal holder. At this time, the clamping of the crystal holder is realized. That is, for the clamping device of the embodiment of the present invention, the clamping of the crystal holder is realized by setting the through hole and the positioning component.
[0089] In the embodiment of the present invention, 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 installation groove of the crystal holder. Correspondingly, the positioning surfaces corresponding to the upper surfaces of the clamping blocks on the crystal holder, 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 processing surface. When processing a smaller processing surface, it is significantly 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 invention has a lower cost and a higher clamping effect compared with the existing clamping devices.
[0090] Furthermore, since the through hole is located above the installation groove of the crystal holder, 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 holder deflection when clamping at the edge position of the crystal holder, that is, it is beneficial to prevent the crystal holder from being higher on one side and lower on the other side. When clamping in the middle, compared with clamping on both sides of the crystal holder, the processing cost can be reduced.
[0091] In particular, in the clamping device and the wire cutting machine of the present invention, since there are two crystal holders and the distance between the two crystal holders is relatively close or they need to be in contact, since it is impossible to clamp on both sides of each crystal holder, that is, the problem of crystal holder deflection cannot be solved. In view of this, the present invention adopts the scheme of middle clamping with a through hole and a positioning member, which is beneficial to make the lower surfaces of the two crystal holders be in the same plane.
[0092] In some embodiments of the present invention, the first positioning member 51 is fixedly connected to the clamping seat 30, or 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. The second positioning member 52 is fixedly connected to the clamping seat 30, or 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.
[0093] 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 costs.
[0094] 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 in the corresponding through hole, it is beneficial to the replacement of the positioning member and also beneficial to the installation of the clamping device.
[0095] 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.
[0096] 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 always remain on the upper side of the crystal carrier installation groove.
[0097] 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 carrier installation groove, that is, not in the crystal carrier installation groove. In this way, when installing the crystal carrier, there is no blockage to the installation of the chuck, 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.
[0098] In some alternative embodiments of the present utility model, the lower end of the positioning member can also extend into the crystal carrier installation groove, as long as it does not prevent the installation of the chuck. Even if the installation is a bit difficult, it is also an acceptable solution, and the reset unit can also be used to make the lower end of the positioning member extend into the crystal carrier installation groove.
[0099] In some embodiments of the present utility model, the first positioning member 51 is directly placed in the first through hole, and the second positioning member 52 is directly placed in the second through hole. Specifically, after the crystal carrier is installed on the clamping table 10, 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 10 rises until the upper end of the positioning member contacts the clamping seat 30.
[0100] In some embodiments of the present utility model, the positioning member is directly placed in the through hole. Specifically, after the crystal tray is installed on the clamping table 10, the positioning member is directly placed in the through hole, and the lower end of the positioning member contacts the crystal tray. After the crystal tray or the clamping table 10 rises until the upper end of the positioning member contacts the clamping seat 30.
[0101] In some embodiments of the present utility model, the locking bar 42 is further configured to drive the clamping table 10 to rise synchronously when driving the first crystal tray 21 and the second crystal tray 22 to rise simultaneously. A fourth through hole may be provided on the clamping table 10, and the locking bar 42 passes through the fourth through hole, so that the clamping table 10 and the crystal tray rise synchronously. That is, the lifting unit 40 is installed on the clamping seat 30 and is configured to drive the crystal tray and the clamping table 10 to move upward synchronously. After the positioning member contacts the crystal tray, the clamping of the crystal tray can be achieved.
[0102] 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.
[0103] 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 tray penetrating through the clamping table 10 is beneficial to the installation of the crystal tray.
[0104] In some embodiments of the present utility model, 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 25, and the first guiding post is inserted into the first guiding groove. A first wheel for supporting the first clamping block 25 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 26, and the second guiding post is inserted into the second guiding groove. A second wheel for supporting the second clamping block 26 is provided on the groove wall of the second installation groove. In this embodiment, due to the guiding posts, guiding grooves and wheels, it is beneficial to improve the installation accuracy of the crystal tray and the installation speed of the crystal tray.
[0105] In some embodiments of the present utility model, the first installation groove, the second installation groove, the third installation groove 31, and the accommodating 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.
[0106] The embodiment of the present utility model further provides a wire cutting machine, which includes a cutting device and the clamping device in any one 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 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, 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 rod, a half crystal rod, or two half crystal rods, and the cutting device moves the cutting wire thereon to cut the workpiece.
[0107] 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 in the embodiment of the present utility model can particularly slice a half crystal rod and has a high cutting efficiency.
[0108] So far, 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 these other variations or modifications.
Claims
1. A clamping device, characterized in that, Comprising: A clamping table, which has a first mounting groove and a second mounting groove; A first crystal carrier, which is arranged on the lower side of the clamping table, and a first clamping block is arranged on the upper side of the first crystal carrier, and the first clamping block is installed in the first mounting groove; A second crystal carrier, which is arranged on the lower side of the clamping table, and the second crystal carrier is arranged in parallel with the first crystal carrier; a second clamping block is arranged on the upper side of the second crystal carrier, and the second clamping block is installed in the second mounting groove; And A locking bar, which is configured to drive the first crystal carrier and the second crystal carrier to rise simultaneously when the locking bar rises.
2. The clamping device according to claim 1, wherein A first through hole is arranged on the first clamping block, and a second through hole is arranged on the second clamping block; the locking bar passes through the first through hole and the second through hole; or, A first relief groove is arranged on the lower side of the first mounting groove, and a second relief groove is arranged on the lower side of the second mounting groove; the locking bar is located in the first relief groove and the second relief groove, so as to drive the first clamping block and the second clamping block to rise by contacting the first clamping block and the second clamping block.
3. The clamping device according to claim 1, wherein The clamping table further has a receiving groove, which is located between the first mounting groove and the second mounting groove, and the locking bar passes through the receiving groove.
4. The clamping device according to claim 3, wherein, Further comprising: A lifting block, which is arranged in the receiving groove and is configured to drive the locking bar to rise when rising; A third through hole is arranged on the lifting block, and the locking bar passes through the third through hole; or, The lifting block is arranged on the lower side of the locking bar, so that the lifting block drives the locking bar to rise by contacting the locking bar.
5. The clamping device according to claim 4, characterized in that, Further comprising: A clamping seat and a lifting unit installed on the clamping seat, and the lifting unit is configured to drive the lifting block to lift; 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 installed on or integrally formed with the clamping seat; or, The clamping table is movably installed 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 installed 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 through the clamping seat.
9. The clamping device according to claim 5, characterized in that, Further comprising a first positioning member and a second positioning member; The clamping table has a first through hole above the first mounting groove, and the first positioning member passes through the first through hole and is arranged between the first clamping block and the clamping seat to limit the upward movement stroke of the first crystal carrier relative to the clamping seat; The clamping table has a second through hole on the upper side of the second installation groove. The second positioning member passes through the second through hole and is arranged between the second clamping block and the clamping seat to define the upward movement stroke of the second crystal carrier relative to the clamping seat.
10. The clamping device according to claim 8, wherein The locking bar is further configured to drive the clamping table to rise synchronously when driving the first crystal carrier and the second crystal carrier to rise simultaneously.
11. The clamping device according to claim 4, characterized in that, Further comprising: A lifting unit, installed on the clamping table, the lifting unit being configured to drive the lifting block to lift; 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.
12. The clamping device according to claim 4, 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 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 the clamping table; The accommodation groove is used to prevent the lifting block from disengaging upward from the clamping table, the accommodation groove is horizontally arranged, and at least one end of the accommodation groove penetrates the clamping table.
13. 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 installing semi-rods.
14. The clamping device according to claim 1, wherein The first crystal carrier is in contact with 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.
15. A wire cutting machine, characterized in that, Comprising the clamping device according to any one of claims 1 to 14.
16. The wire cutting machine according to claim 15, characterized in that, The wire cutting machine is a slicing machine.