Positioning device

Abstract

The utility model provides a positioning device which comprises a supporting piece, a first positioning assembly, a second positioning assembly and a third positioning assembly. The supporting piece is used for placing a first workpiece and is provided with a first positioning part, the first workpiece is provided with a second positioning part, and the first positioning part and the second positioning part are matched in a limiting mode so as to position the first workpiece in the second direction; the first positioning assembly is arranged on the supporting piece so as to abut against a first workpiece on the supporting piece in a limiting mode and position the first workpiece in the first direction. The first direction is perpendicular to the second direction; the second positioning assembly is used for positioning a second workpiece placed on the first workpiece in a second direction; the third positioning assembly is used for positioning a third workpiece placed on the second workpiece in the second direction. By means of the positioning device, the crystal support, the resin plate and the silicon rod can be well positioned in the process that the resin plate is bonded to the crystal support and the silicon rod is bonded to the resin plate.

Description

Technical Field

[0001] The utility model relates to the technical field of silicon rod bonding, in particular to a positioning device. Background Art

[0002] In the prior art, the operation process includes bonding the resin plate to the crystal tray and then bonding the silicon rod to the resin plate. During this process, if the crystal tray, the resin plate and the silicon rod are not well positioned, the bonding effect of the crystal tray, the resin plate and the silicon rod will be affected, thereby causing the final bonded workpiece assembly to fail to meet the requirements. Utility Model Content

[0003] The main purpose of the utility model is to provide a positioning device, so as to well position the crystal tray, the resin plate and the silicon rod in the process of bonding the resin plate to the crystal tray and bonding the silicon rod to the resin plate.

[0004] In order to achieve the above-mentioned purpose, the utility model provides a positioning device, which includes: a support member, on which a first workpiece is placed; a first positioning portion is provided on the support member, and a second positioning portion is provided on the first workpiece, the first positioning portion and the second positioning portion are limitedly matched to position the first workpiece in a second direction; a first positioning assembly, the first positioning assembly is provided on the support member to limit and abut with the first workpiece on the support member to position the first workpiece in the first direction; the first direction and the second direction are perpendicular to each other; a second positioning assembly, the second positioning assembly is used to position the second workpiece placed on the first workpiece in the second direction; and a third positioning assembly, the third positioning assembly is used to position the third workpiece placed on the second workpiece in the second direction.

[0005] Further, the first positioning assembly includes two third positioning portions, both of which are arranged on the support member and spaced apart along the first direction, so that the first workpiece is arranged between the two third positioning portions, and both of the third positioning portions abut against the first workpiece.

[0006] Furthermore, one of the first positioning portion and the second positioning portion is a groove structure, and the other is a protrusion structure; the groove structure includes a positioning groove, the protrusion structure includes at least one protrusion, and the multiple protrusions are distributed along the first direction; each protrusion is arranged in the positioning groove; wherein the positioning groove has two limiting groove side walls distributed along the second direction, and each protrusion abuts against the two limiting groove side walls of the positioning groove.

[0007] Further, the second positioning assembly includes a second positioning unit; the second positioning unit includes two second chucks; the two second chucks are distributed along the second direction so that the second workpiece is located between the two second chucks; at least one of the two second chucks is movably arranged along the second direction so that both second chucks contact the second workpiece and clamp the second workpiece to position the second workpiece at a second preset position in the second direction.

[0008] Further, along the second direction, the reserved intervals between the two second chucks and the second preset position are equal; the two second chucks both move along the second direction and at the same speed, and the movement directions of the two second chucks are opposite.

[0009] Furthermore, the second positioning unit also includes a second slide rail and two second sliders, and the two second clamps are connected to the two second sliders in a one-to-one correspondence; the second slide rail is extended along the second direction, and the two second sliders can be slidably arranged on the second slide rail.

[0010] Furthermore, the second positioning unit also includes a second transmission rod and two second transmission parts, the two second transmission parts are connected to the two second chucks in a one-to-one correspondence; the second transmission rod is extended along the second direction, the two second transmission parts are distributed along the second direction and are threadedly connected to the second transmission rod, and the second transmission rod is rotatably arranged around its center axis to drive the two second chucks to move along the second direction through the two second transmission parts respectively.

[0011] Further, there are multiple second positioning units, and the multiple second positioning units are distributed along the first direction.

[0012] Further, the third positioning assembly includes a third positioning unit; the third positioning unit includes two third chucks; the two third chucks are distributed along the second direction so that the third workpiece is located between the two third chucks; at least one of the two third chucks is movably arranged along the second direction so that both third chucks contact and clamp the third workpiece to position the third workpiece at a third preset position in the second direction.

[0013] Furthermore, along the second direction, the reserved intervals between the two third chucks and the third preset position are equal; the two third chucks both move along the second direction and at the same speed, and the movement directions of the two third chucks are opposite.

[0014] Furthermore, the third positioning unit also includes a third slide rail and two third sliders, and the two third clamps are connected to the two third sliders in a one-to-one correspondence; the third slide rail is extended along the second direction, and the two third sliders can be slidably set on the third slide rail.

[0015] Furthermore, the third positioning assembly also includes a third transmission rod and two third transmission parts, the two third transmission parts are respectively connected to the two third chucks of the third positioning unit in a one-to-one correspondence; the third transmission rod is extended along the second direction, the two third transmission parts are distributed along the second direction and are both threadedly connected to the third transmission rod, and the third transmission rod is rotatably arranged around its center axis to drive the two third chucks of the third positioning unit to move along the second direction through the two third transmission parts respectively.

[0016] Further, there are multiple third positioning units, and the multiple third positioning units are distributed along the first direction.

[0017] Furthermore, the first workpiece is a crystal tray, the second workpiece is a resin plate, and the third workpiece is a silicon rod.

[0018] Applying the technical solution of the utility model, the positioning device includes a support, a first positioning assembly, a second positioning assembly and a third positioning assembly; the support is used to place the first workpiece, the first workpiece is used to place the second workpiece, and the second workpiece is used to place the third workpiece. The first positioning assembly is arranged on the support to limit the abutment with the first workpiece placed on the support so as to position the first workpiece in the first direction. The support is provided with a first positioning portion, and the first workpiece is provided with a second positioning portion, and the first positioning portion and the second positioning portion are limitedly matched to position the first workpiece in the second direction. The first direction is perpendicular to the second direction. The second positioning assembly is used to position the second workpiece placed on the first workpiece in the second direction. The third positioning assembly is used to position the third workpiece placed on the second workpiece in the second direction.

[0019] During the specific implementation process, the first workpiece is first placed on the support, and the first workpiece is positioned through the cooperation of the first positioning component, the first positioning part and the second positioning part to constrain the freedom of the first workpiece on the support, so that the first workpiece is fixed on the support, thereby facilitating the subsequent gluing process; after applying glue on the first workpiece, the second workpiece is placed on the first workpiece, and before the glue layer on the first workpiece is cured, the second workpiece is positioned by the second positioning component, so that the positioned second workpiece is bonded and fixed to the first workpiece through the cured glue layer; after the glue layer between the second workpiece and the first workpiece is cured, glue is applied to the second workpiece; after applying glue on the second workpiece, the third workpiece is placed on the second workpiece, and before the glue layer on the second workpiece is cured, the third workpiece is positioned by the third positioning component, so that the positioned third workpiece is bonded and fixed to the second workpiece through the cured glue layer; thereby, the first workpiece, the second workpiece and the third workpiece are bonded to form a workpiece assembly. It can be seen that the positioning device of the present application can be used to well position the crystal tray, the resin plate, and the silicon rod in the process of bonding the resin plate to the crystal tray and bonding the silicon rod to the resin plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] The drawings constituting part of the present application are used to provide a further understanding of the present invention. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention. In the drawings:

[0021] Figure 1 A schematic structural diagram of a positioning device according to the utility model is shown;

[0022] Figure 2 A schematic structural diagram of a first positioning assembly and a first positioning portion on a support member of a positioning device according to the utility model is shown;

[0023] Figure 3 A schematic diagram showing the structure of the positioning device according to the utility model after the third positioning component is removed;

[0024] Figure 4 A schematic structural diagram of the positioning device according to the utility model after the second positioning component is removed is shown;

[0025] Figure 5 A schematic diagram showing the matching structure between the first workpiece and the first positioning assembly, and the matching structure between the positioning groove of the first workpiece and the positioning pin according to the utility model;

[0026] Figure 6 A schematic diagram of the structure of a first workpiece and a second workpiece according to the utility model is shown;

[0027] Figure 7 A structural schematic diagram showing a perspective of a positioning device according to the utility model and a first workpiece, a second workpiece, and a third workpiece;

[0028] Figure 8 A structural schematic diagram of the positioning device according to the utility model and the first workpiece, the second workpiece, and the third workpiece from another perspective is shown.

[0029] The above drawings include the following reference numerals:

[0030] 10. Support member; 11. First positioning assembly; 111. Third positioning portion; 12. Positioning pin;

[0031] 20. second positioning assembly; 201. second positioning unit; 21. second chuck; 22. second slider; 23. second slide rail; 24. second connecting member; 25. second transmission rod; 27. second support; 28. second transmission block;

[0032] 30. third positioning assembly; 301. third positioning unit; 311. fourth integral chuck; 3110. fourth integral floating portion; 312. fifth integral chuck; 3120. fifth integral floating portion; 32. third slider; 33. third slide rail; 34. third connecting member; 35. third transmission rod; 36. third transmission portion; 37. third support; 38. third transmission block;

[0033] 40. Base;

[0034] 210, first workpiece; 2100, positioning groove; 2101, first main body; 2102, second main body; 220, second workpiece; 230, third workpiece. DETAILED DESCRIPTION

[0035] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present application can be combined with each other. The present utility model will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0036] It should be noted that the following detailed descriptions are illustrative and are intended to provide further explanation of the present application. Unless otherwise specified, all technical and scientific terms used herein have the same meanings as those commonly understood by those skilled in the art to which the present application belongs.

[0037] It should be noted that the terms used herein are only for describing specific embodiments and are not intended to limit the exemplary embodiments according to the present application. As used herein, unless the context clearly indicates otherwise, the singular form is also intended to include the plural form. In addition, it should be understood that when the terms "comprise" and / or "include" are used in this specification, it indicates the presence of features, steps, operations, devices, components and / or combinations thereof.

[0038] The utility model provides a positioning device, please refer to Figures 1 to 8 The positioning device includes a support 10, a first positioning assembly 11, a second positioning assembly 20 and a third positioning assembly 30; the support 10 is used to place the first workpiece 210, the first workpiece 210 is used to place the second workpiece 220, and the second workpiece 220 is used to place the third workpiece 230.

[0039] The first positioning assembly 11 is disposed on the support 10 to limit and abut against the first workpiece 210 placed on the support 10 to position the first workpiece 210 in the first direction. The support 10 is provided with a first positioning portion, and the first workpiece 210 is provided with a second positioning portion. The first positioning portion and the second positioning portion are limited and matched to position the first workpiece 210 in the second direction. The first direction and the second direction are perpendicular to each other.

[0040] The second positioning assembly 20 is used to position the second workpiece 220 placed on the first workpiece 210 in the second direction. The third positioning assembly 30 is used to position the third workpiece 230 placed on the second workpiece 220 in the second direction.

[0041] Specifically, both the first direction and the second direction are parallel to the horizontal plane.

[0042] During the specific implementation process, the first workpiece 210 is first placed on the support 10, and the first workpiece 210 is positioned by the cooperation of the first positioning component 11, the first positioning portion and the second positioning portion to constrain the freedom of the first workpiece 210 on the support 10, so that the first workpiece 210 is fixed on the support 10, thereby facilitating the subsequent gluing process; after the first workpiece 210 is coated with glue, the second workpiece 220 is placed on the first workpiece 210, and before the glue layer on the first workpiece 210 is cured, the second workpiece 220 is positioned by the second positioning component 20, so that the positioned second workpiece 220 The third workpiece 230 is bonded and fixed to the first workpiece 210 by a solidified adhesive layer; after the adhesive layer between the second workpiece 220 and the first workpiece 210 is solidified, glue is applied on the second workpiece 220; after glue is applied on the second workpiece 220, the third workpiece 230 is placed on the second workpiece 220, and before the adhesive layer on the second workpiece 220 is solidified, the third workpiece 230 is positioned by a third positioning assembly 30, so that the positioned third workpiece 230 is bonded and fixed to the second workpiece 220 by the solidified adhesive layer; thereby, the first workpiece 210, the second workpiece 220, and the third workpiece 230 are bonded to form a workpiece assembly.

[0043] Specifically, after the third workpiece 230 is positioned by the third positioning assembly 30, and before the glue layer between the third workpiece 230 and the second workpiece 220 is cured, the pressure device can be brought into contact with the upper surface of the third workpiece 230, and the pressure device can apply a downward force to the third workpiece 230, so as to make the third workpiece 230 and the second workpiece 220 more tightly bonded. The pressure device is located above the third workpiece 230, and the pressure device is movably arranged in the vertical direction to contact with the upper surface of the third workpiece 230 or to be away from the third workpiece 230, and to apply a downward force to the third workpiece 230.

[0044] Specifically, glue is applied on the upper surface of the first workpiece 210 , and the second positioning portion is disposed on the lower surface of the first workpiece 210 ; and glue is applied on the upper surface of the second workpiece 220 .

[0045] Optionally, the first workpiece 210 is a wafer tray, the second workpiece 220 is a resin plate, and the third workpiece 230 is a silicon rod.

[0046] Optionally, the silicon rod is a single crystal silicon rod, and the silicon rod has a rectangular parallelepiped structure; that is, the silicon rod is a rectangular single crystal silicon rod formed by squaring and grinding a round silicon rod.

[0047] Optionally, the wafer support is a workpiece used in a silicon rod slicing process.

[0048] In this embodiment, the first positioning assembly 11 includes two third positioning portions 111, both of which are arranged on the support member 10, and the two third positioning portions 111 are spaced apart along the first direction; the first workpiece 210 is used to be arranged between the two third positioning portions 111, and both of the third positioning portions 111 abut against the first workpiece 210 therebetween, so as to position the first workpiece 210 in the first direction under the action of the two third positioning portions 111.

[0049] Specifically, the two third positioning portions 111 are both fixedly disposed on the support member 10 .

[0050] Specifically, the two third positioning portions 111 are both strip structures extending along the second direction.

[0051] Specifically, the two third positioning portions 111 are both block structures.

[0052] In this embodiment, one of the first positioning portion and the second positioning portion is a groove structure, and the other is a protrusion structure; the groove structure includes a positioning groove; the protrusion structure includes at least one protrusion, and when the protrusion structure includes multiple protrusions, the multiple protrusions are distributed along the first direction. Each protrusion is arranged in the positioning groove; the positioning groove has two groove side walls distributed along the second direction, and the two groove side walls respectively form two limiting groove side walls; each protrusion abuts against the two limiting groove side walls of the positioning groove to realize positioning of the first workpiece 210 in the second direction.

[0053] Optionally, when the groove structure includes a positioning groove and the protrusion structure includes a protrusion, the protrusion is arranged in the positioning groove, and the protrusion abuts against both the side walls of the two limiting grooves of the positioning groove. Further, the protrusion is a strip structure extending along the first direction, and the positioning groove is a strip groove extending along the first direction, so as to ensure the positioning effect of the first workpiece 210.

[0054] Optionally, when the groove structure includes a plurality of positioning grooves and the protrusion structure includes a plurality of protrusions, the plurality of positioning grooves are distributed along the first direction; the plurality of protrusions are arranged one-to-one with the plurality of positioning grooves; each protrusion is arranged in a corresponding positioning groove; each positioning groove has two limiting groove side walls distributed along the second direction, and each protrusion abuts against two limiting groove side walls of the corresponding positioning groove. The cooperation of the plurality of positioning grooves and the plurality of protrusions ensures the positioning effect of the first workpiece 210.

[0055] Optionally, when the groove structure includes a positioning groove and the protrusion structure includes a plurality of protrusions, each protrusion is arranged in the positioning groove, and each protrusion abuts against two limiting groove side walls of the positioning groove. Further, the positioning groove is a strip groove extending along the first direction.

[0056] Optionally, when the protruding structure includes a plurality of protruding portions, the protruding portion is at least a portion of the body of the positioning pin 12 .

[0057] like Figure 2 As shown, the first positioning portion is a protruding structure, which includes two protruding portions, and the protruding portion is at least part of the body of the positioning pin 12, and the positioning pin 12 is fixedly penetrated on the support member 10. Figure 5 As shown, the second positioning portion is a groove structure, and the groove structure only includes one positioning groove 2100, which is a strip groove extending along the first direction. Since the outer peripheral surface of the positioning pin 12 is a cylindrical surface or a cylindrical surface, by providing more than two positioning pins 12, it is possible to prevent the first workpiece 210 having a strip-shaped positioning groove from rotating along the outer peripheral surface of the positioning pin 12, thereby ensuring the positioning effect of the first workpiece 210.

[0058] In this embodiment, the second positioning assembly 20 includes a second positioning unit 201; the second positioning unit 201 includes two second chucks 21; the two second chucks 21 are distributed along the second direction so that the second workpiece 220 is located between the two second chucks 21; at least one of the two second chucks 21 is movably arranged along the second direction so that both second chucks 21 contact and clamp the second workpiece 220, that is, when the two second chucks 21 clamp the second workpiece 220, a certain clamping force is applied to position the second workpiece 220 at the second preset position in the second direction.

[0059] Specifically, before the two second chucks 21 clamp the second workpiece 220, the reserved spacing between the two second chucks 21 and the second preset position is equal along the second direction; that is, in the second direction, the two second chucks 21 are symmetrically arranged relative to the second preset position; by making the two second chucks 21 move along the second direction and at the same speed, and making the movement directions of the two second chucks 21 opposite, so that the two second chucks 21 are close to each other, and the two second chucks 21 are in contact with the second workpiece 220 at the same time, at this time, the two second chucks 21 clamp the second workpiece 220. After the two second chucks 21 are in contact with the second workpiece 220 at the same time to clamp the second workpiece 220, the two second chucks 21 continue to move at the same speed and in opposite directions to apply a certain clamping force to the second workpiece 220, so as to realize positioning the second workpiece 220 at the second preset position in the second direction, that is, the second positioning assembly 20 can realize the centering operation of the second workpiece 220, that is, the second positioning assembly 20 is a second centering assembly. When the clamping force applied to the second workpiece 220 reaches a preset value, the clamping force applied to the second workpiece 220 is stopped, so that the two second clamps 21 move away from each other along the second direction to stay away from the second workpiece 220 .

[0060] Specifically, the second positioning unit 201 also includes a second slide rail 23 and two second sliders 22. The second slide rail 23 is extended along the second direction; the two second sliders 22 are distributed along the second direction; the two second chucks 21 are arranged one-to-one with the two second sliders 22, and each second chuck 21 is connected to the corresponding second slider 22; the two second sliders 22 can be slidably arranged on the second slide rail 23, and when the two second chucks 21 move along the second direction, each second chuck 21 drives the corresponding second slider 22 to slide along the second slide rail 23.

[0061] Specifically, each second clamping head 21 is connected to the corresponding second sliding block 22 via a second connecting member 24 .

[0062] Specifically, the second positioning unit 201 also includes a second transmission rod 25 and two second transmission parts, the two second transmission parts are arranged in a one-to-one correspondence with the two second chucks 21, and each second chuck 21 is connected to the corresponding second transmission part; the second transmission rod 25 is extended along the second direction, and the second transmission rod 25 is rotatably arranged around its center axis; the two second transmission parts are distributed along the second direction, and the two second transmission parts are both threadedly connected to the second transmission rod 25; when the second transmission rod 25 rotates around its center axis, the two second transmission parts are driven to move along the second direction, and each second transmission part drives the corresponding second chuck 21 to move.

[0063] Specifically, the thread direction between one second transmission part and the second transmission rod 25 is opposite to the thread direction between the other second transmission part and the second transmission rod 25, so that when the second transmission rod 25 rotates around its central axis, the two second transmission parts are driven to move simultaneously in the second direction and in the opposite direction, thereby causing the two second chucks 21 to move simultaneously in the second direction and in the opposite direction.

[0064] Specifically, the thread pitches between the two second transmission parts and the second transmission rod 25 are equal, so that the two second transmission parts can move at the same speed, and further the two second chucks 21 can move at the same speed.

[0065] Optionally, the two second transmission parts are both sleeved on the second transmission rod 25 .

[0066] Optionally, the second transmission rod 25 is a lead screw, that is, the second transmission rod 25 is a forward and reverse lead screw; and the two second transmission parts are nuts.

[0067] Specifically, each second clamp 21 is connected to the corresponding second transmission part via a corresponding second connecting member 24 .

[0068] Specifically, the second positioning unit 201 further includes at least one second support 27 , and a plurality of second supports 27 are distributed along the second direction. The second transmission rod 25 is rotatably disposed on each second support 27 , so that all second supports 27 support the second transmission rod 25 together.

[0069] Specifically, a bearing is disposed between each second support 27 and the second transmission rod 25 .

[0070] Specifically, the second positioning unit 201 further includes a second driving member, which is connected to the second transmission rod 25 to drive the second transmission rod 25 to rotate.

[0071] Optionally, the second drive member comprises a motor.

[0072] Optionally, the second driving member and the second transmission rod 25 are connected via a second transmission block 28 , and the second transmission block 28 is coaxially arranged with the second transmission rod 25 .

[0073] Specifically, there are multiple second positioning units 201 , and the multiple second positioning units 201 are distributed along the first direction.

[0074] Optionally, the plurality of second positioning units 201 are distributed at intervals along the first direction.

[0075] Optionally, the two second chucks 21 of the plurality of second positioning units 201 all approach or move away from the second workpiece 220 at the same time, that is, the second transmission rods 25 of the plurality of second positioning units 201 rotate at the same time.

[0076] In this embodiment, the third positioning assembly 30 includes a third positioning unit 301; the third positioning unit 301 includes two third chucks; the two third chucks are distributed along the second direction so that the third workpiece 230 is located between the two third chucks; at least one of the two third chucks is movably arranged along the second direction so that both third chucks contact and clamp the third workpiece 230, that is, when the two third chucks clamp the third workpiece 230, a certain clamping force is applied to position the third workpiece 230 at a third preset position in the second direction.

[0077] Specifically, before the two third chucks clamp the third workpiece 230, the reserved spacing between the two third chucks and the third preset position is equal along the second direction; that is, in the second direction, the two third chucks are symmetrically arranged relative to the third preset position; by making the two third chucks move along the second direction and at the same speed, and making the movement directions of the two third chucks opposite, so that the two third chucks are close to each other, and the two third chucks are simultaneously in contact with the third workpiece 230, at this time, the two third chucks clamp the third workpiece 230. After the two third chucks are in contact with the third workpiece 230 at the same time to clamp the third workpiece 230, the two third chucks continue to move at the same speed and in opposite directions to apply a certain clamping force to the third workpiece 230, so as to realize positioning the third workpiece 230 at the third preset position in the second direction, that is, the third positioning assembly 30 can realize the centering operation of the third workpiece 230, that is, the third positioning assembly 30 is a third centering assembly. When the clamping force applied to the third workpiece 230 reaches a predetermined value, the clamping force applied to the third workpiece 230 is stopped, so that the two third clamps move away from each other along the second direction to stay away from the third workpiece 230 .

[0078] Specifically, the third positioning unit 301 also includes a third slide rail 33 and two third sliders 32. The third slide rail 33 is extended along the second direction; the two third sliders 32 are distributed along the second direction; the two third chucks are arranged in one-to-one correspondence with the two third sliders 32, and each third chuck is connected to the corresponding third slider 32; the two third sliders 32 can be slidably set on the third slide rail 33, and when the two third chucks move along the second direction, each third chuck drives the corresponding third slider 32 to slide along the third slide rail 33.

[0079] Specifically, each third clamp is connected to the corresponding third slider 32 via a third connecting member 34 .

[0080] Specifically, the third positioning assembly 30 also includes a third transmission rod 35 and two third transmission parts 36. The two third transmission parts 36 are arranged in a one-to-one correspondence with the two third chucks of the third positioning unit 301, and each third chuck of the third positioning unit 301 is connected to the corresponding third transmission part 36; the third transmission rod 35 is extended along the second direction, and the third transmission rod 35 is rotatably arranged around its center axis; the two third transmission parts 36 are distributed along the second direction, and the two third transmission parts 36 are both threadedly connected to the third transmission rod 35; when the third transmission rod 35 rotates around its center axis, the two third transmission parts 36 are driven to move in the second direction, and each third transmission part 36 drives the corresponding third chuck of the third positioning unit 301 to move.

[0081] Specifically, the thread direction between one third transmission part 36 and the third transmission rod 35 is opposite to the thread direction between another third transmission part 36 and the third transmission rod 35, so that when the third transmission rod 35 rotates around its central axis, the two third transmission parts 36 are driven to move simultaneously in the second direction and in the opposite direction, thereby causing the two third chucks of the third positioning unit 301 to move simultaneously in the second direction and in the opposite direction.

[0082] Specifically, the thread pitches between the two third transmission parts 36 and the third transmission rod 35 are equal, so that the two third transmission parts 36 can move at the same speed, and thus the two third clamps of the third positioning unit 301 can move at the same speed.

[0083] Optionally, the two third transmission parts 36 are both sleeved on the third transmission rod 35 .

[0084] Optionally, the third transmission rod 35 is a lead screw, that is, the third transmission rod 35 is a forward and reverse lead screw; and the two third transmission parts 36 are both nuts.

[0085] Specifically, each third clamp of the third positioning unit 301 is connected to the corresponding third transmission part 36 via a corresponding third connecting member 34 .

[0086] Specifically, the third positioning assembly 30 also includes at least one third support 37 , and multiple third supports 37 are distributed along the second direction. The third transmission rod 35 is rotatably provided on each third support 37 so that all third supports 37 can jointly support the third transmission rod 35 .

[0087] Specifically, a bearing is provided between each third support 37 and the third transmission rod 35 .

[0088] Specifically, the third positioning assembly 30 further includes a third driving member, which is connected to the third transmission rod 35 to drive the third transmission rod 35 to rotate.

[0089] Optionally, the third driving member comprises a motor.

[0090] Optionally, the third driving member and the third transmission rod 35 are connected via a third transmission block 38 , and the third transmission block 38 is coaxially arranged with the third transmission rod 35 .

[0091] Specifically, there are multiple third positioning units 301 , and the multiple third positioning units 301 are distributed along the first direction.

[0092] Optionally, a plurality of third positioning units 301 are distributed at intervals along the first direction.

[0093] Optionally, the two third clamps of each third positioning unit 301 are respectively the fourth clamp and the fifth clamp; the two third transmission parts 36 are respectively the fourth transmission part and the fifth transmission part; the fourth clamps of the plurality of third positioning units 301 are all connected to the fourth transmission part, and the fifth clamps of the plurality of third positioning units 301 are all connected to the fifth transmission part, so that the fourth transmission part drives the fourth clamps of the plurality of third positioning units 301 to move together, and the fifth transmission part drives the fifth clamps of the plurality of third positioning units 301 to move together. Further, the fourth clamp of each third positioning unit 301 is connected to the fourth transmission part through the corresponding third connecting member 34, and the fifth clamp of each third positioning unit 301 is connected to the fifth transmission part through the corresponding third connecting member 34.

[0094] Optionally, the fourth chucks of multiple third positioning units 301 are all connected to form an integral chuck, which is a fourth integral chuck 311; the fifth chucks of multiple third positioning units 301 are all connected to form an integral chuck, which is a fifth integral chuck 312.

[0095] Optionally, the fourth integral clamp 311 is a plate-shaped structure, and the fifth integral clamp 312 is a plate-shaped structure.

[0096] Furthermore, the two third chucks of the plurality of third positioning units 301 move closer to or farther away from the third workpiece 230 at the same time.

[0097] In this embodiment, at least a portion of the fourth chuck can be arranged to float up and down to form a fourth floating portion of the fourth chuck; at least a portion of the fifth chuck can be arranged to float up and down to form a fifth floating portion of the fifth chuck; the fourth floating portion and the fifth floating portion are both in contact with the third workpiece 230; when the pressure device applies a downward force to the third workpiece 230, the fourth floating portion and the fifth floating portion can float downward with the third workpiece 230, that is, the fourth floating portion and the fifth floating portion both float downward due to pressure.

[0098] Specifically, after the fourth floating portion and the fifth floating portion are separated from the third workpiece 230 , the fourth floating portion and the fifth floating portion float upward to restore the initial state.

[0099] Specifically, the fourth floating parts of the fourth clamps of the third positioning units 301 together form the fourth integral floating part 3110 of the fourth integral clamp 311 , and the fifth floating parts of the fifth clamps of the third positioning units 301 together form the fifth integral floating part 3120 of the fifth integral clamp 312 .

[0100] In this embodiment, the positioning device also includes a base 40, and the support member 10 is arranged on the base 40; the second slide rail 23 and the second support 27 of each second positioning unit 201 are arranged on the base 40; the third slide rail 33 and the third support 37 of each third positioning unit 301 are arranged on the base 40.

[0101] Optionally, the support member 10 is a support frame.

[0102] Optionally, the base 40 is a plate-shaped structure; the support member 10 is a plate-shaped structure.

[0103] Specifically, the support member 10 has a bearing plane for bearing the first workpiece 210 , the two third positioning portions 111 are both arranged on the bearing plane of the support member 10 , and the first positioning portion is arranged on the bearing plane of the support member 10 .

[0104] In this embodiment, the first workpiece 210 includes a first body portion 2101 and a second body portion 2102 connected to each other; along the first direction, the length of the first body portion 2101 is greater than the length of the second body portion 2102; the first body portion 2101 is used for applying glue to bond with the second workpiece 220; the second positioning portion is provided on the second body portion 2102, that is, the positioning groove 2100 is provided on the second body portion 2102. The first positioning assembly 11 is limitedly abutted with the second body portion 2102 of the first workpiece 210 placed on the support member 10, that is, the second body portion 2102 is used to be provided between the two third positioning portions 111, and the two third positioning portions 111 are both abutted with the second body portion 2102 therebetween.

[0105] In this embodiment, when the first workpiece 210 is a crystal tray, the second workpiece 220 is a resin plate, and the third workpiece 230 is a silicon rod, the specific steps of using the positioning device of the present application are as follows: S1: Place the crystal tray on the support 10, and accurately position the first workpiece 210 through the cooperation of the first positioning component 11, the first positioning part, and the second positioning part to constrain the freedom of the crystal tray on the support 10, so that the crystal tray is fixed on the support 10, thereby facilitating the subsequent gluing process. S2: Apply glue (glue) on the crystal tray; optionally, use an external glue coating device to apply glue on the crystal tray. S3: After applying glue on the crystal tray, before the glue layer on the crystal tray is solidified, place the resin plate on the crystal tray; rotate the second transmission rod 25 of the second positioning component 20, and the two second chucks 21 of the second positioning unit 201 located on both sides of the resin plate start to move toward the center at the same time. When the two second chucks 21 of the second positioning unit 201 clamp the resin plate and when the clamping force reaches a preset value, stop applying the clamping force to the resin plate, even if the second transmission rod 25 of the second positioning component 20 stops rotating, thereby completing the centering of the resin plate; optionally, in this step, a second external input is used to drive the second transmission rod 25 to rotate. S4: After standing for a period of time, the glue layer between the resin plate and the crystal tray is solidified to complete the bonding between the resin plate and the crystal tray; when the glue layer between the resin plate and the crystal tray is solidified, the two second chucks 21 of the second positioning unit 201 can be kept away from the resin plate. S5: Apply glue (glue) on the resin plate; optionally, an external glue coating device is used to apply glue on the resin plate. S6: After applying glue on the resin board, before the glue layer on the resin board is cured, place the silicon rod on the resin board; rotate the third transmission rod 35 of the third positioning assembly 30, and the fourth integral chuck 311 and the fifth integral chuck 312 of the third positioning assembly 30 located on both sides of the silicon rod start to move toward the center at the same time. When the fourth integral chuck 311 and the fifth integral chuck 312 clamp the silicon rod and when the clamping force reaches a predetermined value, stop applying the clamping force to the silicon rod, that is, stop rotating the third transmission rod 35 of the third positioning assembly 30, thereby completing the centering of the silicon rod; optionally, in this step, a third external input is used to drive the third transmission rod 35 to rotate. S7: After the silicon rod is centered and positioned by the third positioning assembly 30, and before the glue layer between the silicon rod and the resin board is cured, the pressure device is lowered from above the silicon rod to pressurize the silicon rod downward to make the silicon rod and the resin board more tightly bonded. S8: After standing for a period of time, the glue layer between the silicon rod and the resin board is cured to complete the bonding between the silicon rod and the resin board. After the glue layer between the silicon rod and the resin plate is cured, the pressurizing device, the fourth integral chuck 311 and the fifth integral chuck 312 of the third positioning assembly 30 are all kept away from the silicon rod.

[0106] The positioning device of the present application can realize the centering of the resin plate on the wafer support through the second positioning component 20 , and can realize the centering and pressing of the silicon rod on the resin plate through the third positioning component 30 .

[0107] The positioning device of the present application is not only suitable for manual loading and unloading, but can also be connected to automated equipment. By docking with the automated equipment, the process of automatic loading and unloading can be completed to achieve continuous unmanned operation.

[0108] From the above description, it can be seen that the above embodiments of the utility model achieve the following technical effects:

[0109] In the positioning device provided by the utility model, the positioning device includes a support 10, a first positioning assembly 11, a second positioning assembly 20 and a third positioning assembly 30; the support 10 is used to place the first workpiece 210, the first workpiece 210 is used to place the second workpiece 220, and the second workpiece 220 is used to place the third workpiece 230. The first positioning assembly 11 is arranged on the support 10 to limit the first workpiece 210 placed on the support 10 to position the first workpiece 210 in the first direction. The support 10 is provided with a first positioning portion, and the first workpiece 210 is provided with a second positioning portion. The first positioning portion and the second positioning portion are limitedly matched to position the first workpiece 210 in the second direction. The first direction is perpendicular to the second direction. The second positioning assembly 20 is used to position the second workpiece 220 placed on the first workpiece 210 in the second direction. The third positioning assembly 30 is used to position the third workpiece 230 placed on the second workpiece 220 in the second direction.

[0110] During the specific implementation process, the first workpiece 210 is first placed on the support 10, and the first workpiece 210 is positioned by the cooperation of the first positioning component 11, the first positioning portion and the second positioning portion to constrain the freedom of the first workpiece 210 on the support 10, so that the first workpiece 210 is fixed on the support 10, thereby facilitating the subsequent gluing process; after the first workpiece 210 is coated with glue, the second workpiece 220 is placed on the first workpiece 210, and before the glue layer on the first workpiece 210 is cured, the second workpiece 220 is positioned by the second positioning component 20, so that the positioned second workpiece 220 The first workpiece 210 is bonded and fixed by the solidified adhesive layer; after the adhesive layer between the second workpiece 220 and the first workpiece 210 is solidified, the second workpiece 220 is coated with adhesive; after the second workpiece 220 is coated with adhesive, the third workpiece 230 is placed on the second workpiece 220, and before the adhesive layer on the second workpiece 220 is solidified, the third workpiece 230 is positioned by the third positioning assembly 30, so that the positioned third workpiece 230 is bonded and fixed to the second workpiece 220 by the solidified adhesive layer; thus, the first workpiece 210, the second workpiece 220, and the third workpiece 230 are bonded to form a workpiece assembly. It can be seen that the positioning device of the present application can well position the crystal tray, the resin plate, and the silicon rod in the process of bonding the resin plate to the crystal tray and bonding the silicon rod to the resin plate.

[0111] It should be noted that the terms "first", "second", etc. in the specification and claims of the present application and the above-mentioned drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence. It should be understood that the data used in this way can be interchangeable where appropriate, so that the embodiments of the present application described herein can be implemented in an order other than those illustrated or described herein, for example. In addition, the terms "including" and "having" and any of their variations are intended to cover non-exclusive inclusions, for example, a process, method, system, product or device that includes a series of steps or units is not necessarily limited to those steps or units that are clearly listed, but may include other steps or units that are not clearly listed or inherent to these processes, methods, products or devices.

[0112] For ease of description, spatially relative terms such as "above", "above", "on the upper surface of", "above", etc. may be used here to describe the spatial positional relationship between a device or feature and other devices or features as shown in the figure. It should be understood that spatially relative terms are intended to include different orientations of the device in use or operation in addition to the orientation described in the figure. For example, if the device in the accompanying drawings is inverted, the device described as "above other devices or structures" or "above other devices or structures" will be positioned as "below other devices or structures" or "below other devices or structures". Thus, the exemplary term "above" can include both "above" and "below". The device can also be positioned in other different ways (rotated 90 degrees or in other orientations), and the spatially relative descriptions used here are interpreted accordingly.

[0113] The above description is only the preferred embodiment of the utility model, and is not intended to limit the utility model. For those skilled in the art, the utility model can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A positioning device, characterized in that: include: A support member (10), the support member (10) being used to place a first workpiece (210); the support member (10) being provided with a first positioning portion, the first workpiece (210) being provided with a second positioning portion, the first positioning portion and the second positioning portion being limitedly matched to position the first workpiece (210) in a second direction; a first positioning component (11), the first positioning component (11) being arranged on the support member (10) so as to be in limited contact with the first workpiece (210) on the support member (10) so as to position the first workpiece (210) in a first direction; the first direction and the second direction being perpendicular to each other; a second positioning assembly (20), the second positioning assembly (20) being used to position a second workpiece (220) placed on the first workpiece (210) in the second direction; A third positioning assembly (30) is used to position a third workpiece (230) placed on the second workpiece (220) in the second direction.

2. The positioning device according to claim 1, characterized in that: The first positioning assembly (11) comprises two third positioning portions (111), and the two third positioning portions (111) are both arranged on the support member (10) and spaced apart along the first direction, so that the first workpiece (210) is arranged between the two third positioning portions (111), and the two third positioning portions (111) are both in contact with the first workpiece (210).

3. The positioning device according to claim 1, characterized in that: One of the first positioning portion and the second positioning portion is a groove structure, and the other is a protrusion structure; the groove structure includes a positioning groove, the protrusion structure includes at least one protrusion, and a plurality of the protrusions are distributed along the first direction; each of the protrusions is arranged in the positioning groove; Wherein, the positioning groove has two limiting groove side walls distributed along the second direction, and each of the protruding portions abuts against the two limiting groove side walls of the positioning groove.

4. The positioning device according to claim 1, characterized in that: The second positioning assembly (20) comprises a second positioning unit (201); the second positioning unit (201) comprises two second chucks (21); the two second chucks (21) are distributed along the second direction so that the second workpiece (220) is located between the two second chucks (21); at least one of the two second chucks (21) is movably arranged along the second direction so that the two second chucks (21) are in contact with the second workpiece (220) and clamp the second workpiece (220) to position the second workpiece (220) at a second preset position in the second direction.

5. The positioning device according to claim 4, characterized in that: Along the second direction, the reserved spacing between the two second clamps (21) and the second preset position is equal; the two second clamps (21) both move along the second direction and at the same speed, and the movement directions of the two second clamps (21) are opposite.

6. The positioning device according to claim 5, characterized in that: The second positioning unit (201) further comprises a second slide rail (23) and two second sliders (22), the two second clamps (21) being connected to the two second sliders (22) in a one-to-one correspondence; the second slide rail (23) is extended along the second direction, and the two second sliders (22) are both slidably arranged on the second slide rail (23); and / or The second positioning unit (201) further comprises a second transmission rod (25) and two second transmission parts, the two second transmission parts are connected to the two second clamps (21) in a one-to-one correspondence; the second transmission rod (25) is extended along the second direction, the two second transmission parts are distributed along the second direction and are both threadedly connected to the second transmission rod (25), and the second transmission rod (25) is rotatably arranged around its central axis so as to drive the two second clamps (21) to move along the second direction through the two second transmission parts respectively; and / or There are a plurality of the second positioning units (201), and the plurality of the second positioning units (201) are distributed along the first direction.

7. The positioning device according to claim 1, characterized in that: The third positioning assembly (30) includes a third positioning unit (301); the third positioning unit (301) includes two third chucks; the two third chucks are distributed along the second direction so that the third workpiece (230) is located between the two third chucks; at least one of the two third chucks is movably arranged along the second direction so that the two third chucks are in contact with the third workpiece (230) and clamp the third workpiece (230) to position the third workpiece (230) at a third preset position in the second direction.

8. The positioning device according to claim 7, characterized in that: Along the second direction, the reserved intervals between the two third chucks and the third preset position are equal; the two third chucks both move along the second direction and at the same speed, and the movement directions of the two third chucks are opposite.

9. The positioning device according to claim 8, characterized in that: The third positioning unit (301) further comprises a third slide rail (33) and two third sliders (32), the two third clamps being connected to the two third sliders (32) in a one-to-one correspondence; the third slide rail (33) is extended along the second direction, and the two third sliders (32) are both slidably arranged on the third slide rail (33); and / or The third positioning assembly (30) further comprises a third transmission rod (35) and two third transmission parts (36), wherein the two third transmission parts (36) are respectively connected to the two third chucks of the third positioning unit (301) in a one-to-one correspondence; the third transmission rod (35) is extended along the second direction, the two third transmission parts (36) are distributed along the second direction and are both threadedly connected to the third transmission rod (35), and the third transmission rod (35) is rotatably arranged around its central axis so as to drive the two third chucks of the third positioning unit (301) to move along the second direction through the two third transmission parts (36); and / or There are a plurality of the third positioning units (301), and the plurality of the third positioning units (301) are distributed along the first direction.

10. The positioning device according to claim 1, characterized in that: The first workpiece (210) is a crystal tray, the second workpiece (220) is a resin plate, and the third workpiece (230) is a silicon rod.

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