Centering tool for square rod bonding

Abstract

The utility model relates to a centering tool for square rod bonding, which comprises a mounting frame, a first positioning block is arranged at the top of the mounting frame, and the first positioning block corresponds to a positioning groove at the bottom of a crystal support; two first centering mechanisms are mounted on the mounting frame in a matched manner through a first screw rod, and the first screw rod rotates under the action of a first external driving part, so that the two first centering mechanisms are driven to do similar linear motion, and a crystal bar is centered; and two second centering mechanisms are mounted on the mounting frame in a matched manner through a second screw rod, and the second screw rod rotates under the action of a second external driving part, so that the two second centering mechanisms are driven to do similar linear motion, and then the resin plate is centered. According to the automatic centering device, the resin plate and the crystal bar on the crystal support can be automatically centered, the centering precision is high, the centering efficiency is high, and therefore the gluing quality is effectively improved, and the production efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to single crystal silicon production technical field especially a kind of centering tool for square bar bonding. BACKGROUND

[0002] Resin plate is with photosensitive resin as plate material, and is made into printing plate or tool plate by specific process (such as ultraviolet exposure, washing etc.).In solar single crystal silicon wafer manufacturing, resin plate is mainly used to carry and fix square bar (i.e.single crystal silicon rod) of different sizes, and also ensure that crystal bar can be centered relative to resin plate during the process of sticking glue to different sizes of single crystal, and keep accurate alignment relationship with resin plate.

[0003] In prior art, the way to handle the centering problem of resin plate and crystal bar is mainly to rely on simple tool design, that is, to try to ensure that both are relatively centered during bonding process by manual adjustment with square ruler. However, during manual operation, resin plate and crystal bar often deviate, resulting in that accurate centering requirement of resin plate and crystal bar cannot be realized, which affects the quality of glue sticking and reduces overall production efficiency. UTILITY MODEL CONTENT

[0004] Therefore, it is necessary to provide a kind of centering tool for square bar bonding in view of the problems of low centering accuracy and low centering efficiency of manual centering method in prior art.

[0005] The technical scheme adopted by the utility model is as follows:

[0006] A kind of centering tool for square bar bonding, including installation frame, the top of the installation frame is provided with first positioning block, the first positioning block is corresponded with the positioning groove of the bottom of crystal holder, the top of the crystal holder is placed with resin plate, the top of the resin plate is placed with crystal bar;

[0007] Two first centering mechanisms are cooperatively installed on the installation frame by first screw rod, two first centering mechanisms are respectively arranged at the both sides of first positioning block with interval symmetry, the first screw rod rotates under the action of first external driving element, so as to drive two first centering mechanisms to make similar linear motion, and then centering is carried out to crystal bar;

[0008] Two second centering mechanisms are cooperatively installed on the installation frame by second screw rod, two second centering mechanisms are respectively arranged at the both sides of first positioning block with interval symmetry, the second screw rod rotates under the action of second external driving element, so as to drive two second centering mechanisms to make similar linear motion, and then centering is carried out to resin plate.

[0009] As a further improvement of the above technical scheme:

[0010] The top of the mounting frame is provided with two second positioning blocks, which are arranged on the sides of the two ends of the first positioning block respectively, and are symmetrically arranged relative to the length direction of the first positioning block, so as to limit the displacement of the crystal holder along the length direction of the first positioning block.

[0011] The first screw rod and the second screw rod are supported by a plurality of screw rod support seats, and each screw rod support seat is fixed to the mounting frame.

[0012] The first screw rod and the second screw rod are electric screw rods.

[0013] The structure of each first centering mechanism comprises a first centering seat in the shape of T, a first threaded hole is formed in the middle of the vertical section of the first centering seat, the first threaded hole is used for cooperating with the first screw rod, and a push plate is installed on one side of the horizontal section of the first centering seat through a plurality of adjusting assemblies.

[0014] The first screw rod rotates, drives the first centering seat to make reciprocating linear motion along the axial direction of the first screw rod through the first threaded hole, and then pushes the crystal rod through the push plate.

[0015] Each adjusting assembly comprises a fixed seat fixed to the top of the first centering seat and an adjusting seat connected with the push plate, the fixed seat and the adjusting seat are cooperatively installed through a first adjusting bolt, the pre-tightening force of the adjusting seat is adjusted by screwing the first adjusting bolt, and then the thrust force of the push plate is adjusted.

[0016] A plurality of bases are arranged between the top end face of the mounting frame and the first centering seat, each base is fixed to the top end face of the mounting frame, and a first sliding rail assembly is cooperatively installed between the top end face of each base and the bottom end face of the first centering seat.

[0017] The structure of each second centering mechanism comprises a second centering seat, a second threaded hole is formed in the end face of the second centering seat, the second centering seat is cooperatively installed with the second screw rod through the second threaded hole, two first sliding grooves are formed in the top end face of the second centering seat, a movable plate is slidably installed in each first sliding groove, each movable plate is limited by a limiting assembly, and an L-shaped backing plate is fixed to each movable plate.

[0018] The second screw rod rotates, drives the second centering seat to make linear motion along the axial direction of the second screw rod through the second threaded hole, and then pushes the resin plate through the backing plate.

[0019] A second sliding groove is formed in the bottom end face of each movable plate, a first protrusion is arranged in each first sliding groove, and each first protrusion is embedded in the corresponding second sliding groove, so as to realize the sliding installation between the corresponding movable plate and the corresponding first sliding groove.

[0020] The single set of limiting components comprises a second protrusion, which is installed through a second adjusting bolt between the corresponding movable plate.

[0021] The utility model discloses the beneficial effects are as follows:

[0022] The utility model discloses compact, reasonable, convenient operation can to the effective positioning of crystal support through the setting first locating block, can to the centering of crystal bar through the setting first centering mechanism, can to the centering of resin edition through the setting second centering mechanism, thereby can to the automatic centering of resin edition and crystal bar on crystal support, and the centering precision is high, and the centering efficiency is high, thereby effectively promote the quality of viscose, improve production efficiency, in addition, through the setting first screw rod, second screw rod drive, make the centering frock can be compatible with the centering of resin edition and crystal bar of different size, and the use flexibility is high, and the practicality is strong. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 It is the structure schematic drawing of the utility model.

[0024] Figure 2 It is the structure schematic drawing of the utility model installation frame.

[0025] Figure 3 It is the installation structure schematic drawing of the utility model first screw rod, second screw rod and screw rod support seat.

[0026] Figure 4 It is the structure schematic drawing of the utility model first centering mechanism.

[0027] Figure 5 It is the structure schematic drawing of the utility model second centering mechanism.

[0028] Figure 6 It is the installation structure schematic drawing of the utility model crystal bar, resin edition and crystal support.

[0029] Among them: 1, first locating block, 2, second locating block, 3, installation frame, 4, unloading block, 5, first centering mechanism, 6, second centering mechanism, 7, screw rod support seat, 8, first screw rod, 9, second screw rod, 10, four corner joints, 11, crystal bar, 12, resin edition, 13, crystal support,

[0030] 501, first centering seat, 502, first screw hole, 503, push plate, 504, first sliding rail assembly, 505, first adjusting bolt, 506, adjusting seat, 507, fixed seat, 508, base,

[0031] 601, Second centering seat; 602, Second threaded hole; 603, Pad; 604, Second slide rail assembly; 605, Second adjusting bolt; 606, Movable plate; 607, Clearance groove; 608, First protrusion; 609, Second protrusion. Detailed Implementation

[0032] The specific embodiments of this utility model are described below with reference to the accompanying drawings.

[0033] The structure and function of this utility model are as follows:

[0034] like Figures 1-6 As shown, a centering fixture for bonding square rods includes a mounting frame 3. A first positioning block 1 is disposed on the top of the mounting frame 3, corresponding to a positioning groove on the bottom of a crystal holder 13. A resin plate 12 is placed on the top of the crystal holder 13, and a crystal rod 11 is placed on the top of the resin plate 12. Two first centering mechanisms 5 are mounted on the mounting frame 3 via a first lead screw 8. The two first centering mechanisms 5 are symmetrically arranged on both sides of the first positioning block 1. The first lead screw 8 rotates under the action of a first external driving component, thereby driving the two first centering mechanisms 5 to perform similar linear movements, thus centering the crystal rod 11. Two second centering mechanisms 6 are mounted on the mounting frame 3 via a second lead screw 9. The two second centering mechanisms 6 are symmetrically arranged on both sides of the first positioning block 1. The second lead screw 9 rotates under the action of a second external driving component, thereby driving the two second centering mechanisms 6 to perform similar linear movements, thus centering the resin plate 12. By setting the first positioning block 1, the crystal holder 13 can be effectively positioned; by setting the first centering mechanism 5, the crystal rod 11 can be centered; by setting the second centering mechanism 6, the resin plate 12 can be centered.

[0035] The centering fixture of this invention can automatically center the resin plate 12 and crystal rod 11 on the crystal holder 13 with high centering accuracy and high centering efficiency, thereby effectively improving the adhesive quality and increasing production efficiency.

[0036] The top of the mounting frame 3 is provided with two second positioning blocks 2, which are respectively arranged on one side of the two ends of the first positioning block 1. The two second positioning blocks 2 are symmetrically arranged relative to the length direction of the first positioning block 1, and restrict the displacement of the crystal holder 13 along the length direction of the first positioning block 1 by the two second positioning blocks 2. When the crystal holder 13 is engaged with the first positioning block 1, it can be ensured that either of the two second positioning blocks 2 is in contact with one end face of the crystal holder 13, thereby further improving the positioning accuracy.

[0037] The utility model discloses, still install a plurality of unloading blocks 4 on the mounting frame 3, and single unloading block 4 is connected with the mounting frame 3 through spring, so that when placing the crystal holder 13 on the mounting frame 3, the crystal holder 13 is supported through the unloading block 4, and through setting spring, can disperse, shift and absorb part of the pressure of the first locating block 1 of crystal holder 13, thereby reducing the load borne by the first locating block 1.

[0038] The first screw rod 8 and the second screw rod 9 are supported by a plurality of screw rod support seats 7, and the single screw rod support seat 7 is fixed on the mounting frame 3.

[0039] The first screw rod 8 and the second screw rod 9 are electric screw rods, and the electric screw rod has a self-locking function, which can ensure locking and fixing after the corresponding first centering mechanism 5 and second centering mechanism 6 are moved to the position, to prevent deviation.

[0040] The structure of single first centering mechanism 5 is: including the first centering seat 501 of T type, the first threaded hole 502 is set in the middle part of the vertical section of first centering seat 501, and the first threaded hole 502 is used for cooperating with the first screw rod 8, and the horizontal section of first centering seat 501 is installed with the push plate 503 through a plurality of adjusting assemblies on one side; the first screw rod 8 rotates, thereby driving the first centering seat 501 to move along the axial direction of the first screw rod 8 through the first threaded hole 502, and then pushing the crystal bar 11 through the push plate 503. The first centering mechanism 5 pushes the crystal bar 11 through the push plate 503, so that the crystal bar 11 is centered.

[0041] The single adjusting assembly includes the fixed seat 507 fixed on the top of the first centering seat 501 and the adjusting seat 506 connected with the push plate 503, and the fixed seat 507 and the adjusting seat 506 are cooperatively installed through the first adjusting bolt 505, the pre-tightening force of the adjusting seat 506 is adjusted by screwing the first adjusting bolt 505, and then the thrust force of the push plate 503 on the adjusting seat 506 is adjusted. By setting the adjusting assembly, the flatness of the push plate 503 can be adjusted, so that the centering accuracy of the first centering mechanism 5 is ensured.

[0042] A plurality of bases 508 are arranged between the top end surface of the mounting frame 3 and the first centering seat 501, the single base 508 is fixed on the top end surface of the mounting frame 3, and the first slide rail assembly 504 is cooperatively installed between the top end surface of the single base 508 and the bottom end surface of the first centering seat 501. By setting the base 508 and the first slide rail assembly 504, the stability of the linear motion of the first centering seat 501 can be improved.

[0043] The structure of the single second centering mechanism 6 comprises a second centering base 601, a second threaded hole 602 is formed on the end face of the second centering base 601, the second centering base 601 is installed in cooperation with the second screw rod 9 through the second threaded hole 602, two first sliding grooves are formed on the top end face of the second centering base 601, a movable plate 606 is slidably installed in a single first sliding groove, the single movable plate 606 is limited by a limiting assembly, and an L-shaped backing plate 603 is fixed on the single movable plate 606; the second screw rod 9 rotates, drives the second centering base 601 to move linearly along the axial direction of the second screw rod 9 through the second threaded hole 602, and the second centering base 601 pushes the resin plate 12 through the backing plate 603. The second centering mechanism 6 pushes the resin plate through the backing plate 603, so that the resin plate 12 is centered.

[0044] A second sliding groove is formed on the bottom end face of the single movable plate 606, a first protruding block 608 is arranged in the single first sliding groove, and the single first protruding block 608 is embedded in the corresponding second sliding groove, so that the sliding installation between the corresponding movable plate 606 and the corresponding first sliding groove is realized; the single set of limiting assemblies comprises a second protruding block 609, and the second protruding block 609 is installed in cooperation with the corresponding movable plate 606 through a second adjusting bolt 605. In the single second centering mechanism 6, the positions of the two backing plates 603 can be adjusted respectively through the second adjusting bolt 605 and the second protruding block 609, so that the centering accuracy of the resin plate 12 is ensured.

[0045] In the utility model, in order to compact layout, the single second centering mechanism 6 is arranged below the single first centering mechanism 5, and in the single second centering mechanism 2, the second centering base 602 is provided with an avoiding groove 607 for avoiding the corresponding first centering mechanism 5, so that the movement of the first centering mechanism 5 is avoided.

[0046] The working process of the utility model is as follows:

[0047] The mechanical hand is used to grab the crystal holder 13 and place the crystal holder 13 on the top of the mounting frame 3, and the first positioning block 1 is clamped into the positioning groove in the bottom of the crystal holder 13, so that the crystal holder 13 is positioned, and then the top end face of the crystal holder 13 is glued by the gluing machine;

[0048] Then, the mechanical hand is used to grab the resin plate 12 and place the resin plate 12 on the glued surface of the crystal holder 13, the second external driving part (a rotary motor can be used) drives the second screw rod 9 to rotate, drives the two second centering bases 601 to move linearly, so that the four backing plates 603 are in contact with the resin plate 12 at the same time, so that the resin plate 12 and the crystal holder 13 are centered, and after the centering is completed, the top end face of the resin plate 12 is glued by the gluing machine;

[0049] Finally, the mechanical hand picks up the crystal bar 11 and places it on the glue coating surface of the resin plate 12, the first external driving element (a rotary motor can be used) drives the first screw rod 8 to rotate, drives the two first centering seats 501 to make similar linear motion, and the two push plates 503 are in contact with the two opposite side walls of the crystal bar 12 at the same time, so that the crystal bar 11 is centered.

[0050] The above description is an explanation of the utility model, not a limitation of the utility model, the range defined by the utility model is seen from the claims, and any form of modification can be made within the protection range of the utility model.

Claims

1. A centering fixture for bonding square bars, characterized in that: The system includes a mounting frame (3), on the top of which a first positioning block (1) is provided, the first positioning block (1) corresponding to the positioning groove at the bottom of the crystal holder (13), a resin plate (12) is placed on the top of the crystal holder (13), and a crystal rod (11) is placed on the top of the resin plate (12). The mounting frame (3) is equipped with two first centering mechanisms (5) through a first lead screw (8). The two first centering mechanisms (5) are symmetrically arranged on both sides of the first positioning block (1). The first lead screw (8) rotates under the action of the first external driving member, thereby driving the two first centering mechanisms (5) to make similar linear movements, and thus centering the crystal rod (11). Two second centering mechanisms (6) are installed on the mounting frame (3) in cooperation with the second lead screw (9). The two second centering mechanisms (6) are symmetrically arranged on both sides of the first positioning block (1). The second lead screw (9) rotates under the action of the second external driving member, thereby driving the two second centering mechanisms (6) to make similar linear movements, and thus centering the resin plate (12).

2. The centering fixture for bonding square bars as described in claim 1, characterized in that: The top of the mounting frame (3) is provided with two second positioning blocks (2). The two second positioning blocks (2) are respectively arranged on one side of the two ends of the first positioning block (1). The two second positioning blocks (2) are arranged symmetrically with respect to the length direction of the first positioning block (1). The displacement of the crystal holder (13) along the length direction of the first positioning block (1) is restricted by the two second positioning blocks (2).

3. The centering fixture for bonding square bars as described in claim 1, characterized in that: The first lead screw (8) and the second lead screw (9) are supported by several lead screw support seats (7), and each lead screw support seat (7) is fixed on the mounting frame (3).

4. The centering fixture for bonding square bars as described in claim 1, characterized in that: Both the first lead screw (8) and the second lead screw (9) are electric lead screws.

5. The centering fixture for bonding square bars as described in claim 1, characterized in that: The structure of a single first centering mechanism (5) is as follows: it includes a T-shaped first centering seat (501), a first threaded hole (502) is opened in the middle of the vertical section of the first centering seat (501), the first threaded hole (502) is used to cooperate with the first lead screw (8) for installation, and a push plate (503) is installed on one side of the horizontal section of the first centering seat (501) through an array adjustment component; The first lead screw (8) rotates, thereby driving the first centering seat (501) to reciprocate linearly along the axis of the first lead screw (8) through the first threaded hole (502), and then pushing the crystal rod (11) through the push plate (503).

6. The centering fixture for bonding square bars as described in claim 5, characterized in that: The single adjustment assembly includes a fixed seat (507) fixed to the top of the first centering seat (501) and an adjustment seat (506) connected to the push plate (503). The fixed seat (507) and the adjustment seat (506) are installed together by a first adjustment bolt (505). By turning the first adjustment bolt (505), the preload on the adjustment seat (506) is adjusted, thereby adjusting the pushing force of the adjustment seat (506) on the push plate (503).

7. The centering fixture for bonding square bars as described in claim 5, characterized in that: Several bases (508) are arranged between the first pair of center seats (501) and the top end face of the mounting frame (3). Each base (508) is fixed to the top end face of the mounting frame (3). A first slide rail assembly (504) is installed between the top end face of the single base (508) and the bottom end face of the first pair of center seats (501).

8. The centering fixture for bonding square bars as described in claim 1, characterized in that: The structure of a single second centering mechanism (6) is as follows: it includes a second centering seat (601), a second threaded hole (602) is opened on the end face of the second centering seat (601), the second centering seat (601) is installed in cooperation with the second lead screw (9) through the second threaded hole (602), two spaced first sliding grooves are opened on the top end face of the second centering seat (601), a movable plate (606) is slidably installed in a single first sliding groove, the single movable plate (606) is limited by a limiting component, and an L-shaped pad (603) is fixed on the single movable plate (606); The second lead screw (9) rotates and drives the second centering seat (601) to move linearly along the axis of the second lead screw (9) through the second threaded hole (602), thereby pushing the resin plate (12) through the pad (603).

9. A centering fixture for bonding square bars as described in claim 8, characterized in that: A second sliding groove is provided on the bottom end face of a single movable plate (606), and a first protrusion (608) is provided in a single first sliding groove. The single first protrusion (608) is embedded in the corresponding second sliding groove, thereby realizing the sliding installation between the corresponding movable plate (606) and the corresponding first sliding groove.

10. The centering fixture for bonding square bars as described in claim 8, characterized in that: The single-unit limiting assembly includes a second protrusion (609), which is installed with the corresponding movable plate (606) by a second adjusting bolt (605).

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