Die bonder translation assembly and die bonder
By adopting the ball guide structure and circulation channel design in the die bonding machine, the problems of low precision and short service life caused by sliding friction of the slider and rail are solved, and high precision and long life movement of rolling friction are achieved.
Patent Information
- Application Number
- CN202422394731.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-29
- Publication Date
- 2025-09-19
- Estimated Expiration
- 2034-09-29
AI Technical Summary
In existing die bonders, sliding friction between the slider and the slide rail results in low precision and a short service life of the drive platform.
The first guide seat and the first guide rail are in contact through the first ball, and the second guide seat and the second guide rail are in contact through the second ball, so as to convert sliding friction into rolling friction, and limit the movement direction of the ball through the semi-guide groove and the accommodating channel structure to form a circulating channel structure to improve the guiding accuracy.
The rolling friction has a long service life and high precision, ensuring the movement accuracy of the moving seat and the mounting seat, and extending the service life of the equipment.
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Figure CN223363111U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of crystal bonding machines and relates to a crystal bonding machine translation component and a crystal bonding machine. Background Art
[0002] LEDs are semiconductor light-emitting devices that convert electrical energy into light. The primary raw material for LEDs is the target wafer, which directly determines the LED's luminous performance. The target wafers are typically square and neatly arranged within the LED. When manufacturing LED lamps, multiple LED target wafers are mounted on a substrate and then packaged. As the spacing between target wafers increases, the efficiency of the die bonding process becomes increasingly demanding, necessitating the use of a die bonder.
[0003] For example, an invention patent with application number CN202110750377.9 provides a crystal bonding machine, characterized in that it includes: a wafer feeding mechanism, the wafer feeding mechanism is provided with a crystal picking position; a crystal bonding table, the crystal bonding table is movably provided with a transfer table to carry the substrate to be processed, and the substrate to be processed is provided with a crystal bonding position; and a crystal bonding mechanism, the crystal bonding mechanism includes a crystal picking lens, a rotatable swing arm and a movable crystal bonding lens, the projection of the crystal picking lens in the two-dimensional crystal picking plane coincides with the crystal picking position, the projection of the crystal bonding lens in the two-dimensional crystal bonding plane coincides with the crystal bonding position, the swing angle of the swing arm is 180°-θ, wherein 90°>θ>0°; wherein, according to the adjustment of the crystal bonding position, the crystal bonding lens moves to the crystal bonding position, the target limit position of the swing arm is adjusted to match the crystal bonding position, and the swing arm action moves the target wafer from the crystal picking position to the crystal bonding position; the wafer feeding mechanism includes a crystal picking lens for carrying the target The chip supply tray, motion mechanism and angle compensation mechanism, the angle compensation mechanism drives the supply tray to rotate so as to rotate the target chip to the crystal retrieval angle, and the motion mechanism drives the supply tray to move on the two-dimensional solid crystal plane to move the target chip to the crystal retrieval position; the angle compensation mechanism includes a driving member and a transmission member, and the transmission member includes: a driving wheel, the driving wheel is connected to the driving member; a driven wheel, the driven wheel rotates synchronously with the supply tray; a belt, the belt is wrapped around the driving wheel and the driven wheel; and a guide wheel, the guide wheel is movably arranged between the driving wheel and the driven wheel, and the guide wheel abuts against the outer side of the belt; the motion mechanism includes a first driving platform and a second driving platform, the first driving platform and the second driving platform respectively move in two mutually perpendicular directions; the supply tray is connected to the second driving platform, and the second driving platform is movably arranged on the first driving platform.
[0004] In summary, some existing technical solutions use sliders and rails for guidance, but there is sliding friction between the sliders and rails, which affects the accuracy of the driving platform over time. At the same time, the service life is short and there is much room for improvement. Summary of the Invention
[0005] The purpose of the utility model is to address the above-mentioned problems existing in the prior art and to propose a crystal bonder translation assembly and a crystal bonder.
[0006] The purpose of the utility model can be achieved through the following technical solutions: A translation assembly of a die bonder, comprising:
[0007] First Plinth;
[0008] a first driving assembly connected to the first base;
[0009] a moving seat connected to the first driving assembly, wherein the first driving assembly can drive the moving seat to move relative to the first base;
[0010] a first guide assembly comprising a first guide rail and a first guide seat, wherein the first guide rail is connected to the first base, the first guide seat is connected to the movable seat, a first ball is provided between the first guide seat and the first guide rail, and the first guide seat and the first guide rail are in contact via the first ball;
[0011] a second base connected to the moving base;
[0012] a second driving assembly connected to the second base;
[0013] a mounting seat connected to the second driving assembly, wherein the second driving assembly can drive the mounting seat to move relative to the second base, and the moving direction of the mounting seat is perpendicular to the moving direction of the moving seat;
[0014] The second guide assembly includes a second guide rail and a second guide seat, the second guide rail is connected to the second base, the second guide seat is connected to the mounting seat, a second ball is provided between the second guide seat and the second guide rail, and the second guide seat and the second guide rail are in contact through the second ball.
[0015] In the above-mentioned crystal bonder translation assembly, the first guide rail is provided with a first half guide groove, the first guide seat is provided with a second half guide groove, the first half guide groove and the second half guide groove are combined to form a first accommodating channel, and the first ball is distributed in the first accommodating channel.
[0016] In the above-mentioned crystal bonding machine translation assembly, the first guide seat is also provided with a second accommodating channel, the two ends of the second accommodating channel are respectively connected to the two ends of the second semi-guide groove, the first accommodating channel and the second accommodating channel form a first circulation channel structure, and the first ball is distributed in the first circulation channel structure.
[0017] In the above-mentioned translation assembly of the crystal bonder, the first driving assembly includes a first stator and a first mover, the first stator is connected to the first base, the first mover is connected to the movable seat, and the first mover can move relative to the first stator.
[0018] In the above-mentioned crystal bonding machine translation assembly, the number of the first guide rails and the number of the first guide seats are both two, the two first guide seats are respectively slidably connected to the two first guide rails, the first stator is located between the two first guide rails, and the first mover is located between the two first guide seats.
[0019] In the above-mentioned crystal bonding machine translation assembly, the second guide rail is provided with a third half guide groove, the second guide seat is provided with a fourth half guide groove, the third half guide groove and the fourth half guide groove are combined to form a third accommodating channel, and the second ball is distributed in the third accommodating channel.
[0020] In the above-mentioned crystal bonding machine translation assembly, the second guide seat is also provided with a fourth accommodating channel, the two ends of the fourth accommodating channel are respectively connected to the two ends of the fourth semi-guide groove, the third accommodating channel and the fourth accommodating channel form a second circulation channel structure, and the second ball is distributed in the second circulation channel structure.
[0021] In the above-mentioned crystal bonder translation assembly, the second driving assembly includes a second stator and a second mover, the second stator is connected to the second base, the second mover is connected to the mounting seat, and the second mover is movable relative to the second stator.
[0022] In the above-mentioned crystal bonding machine translation assembly, the number of the second guide rails and the number of the second guide seats are both two, the two second guide seats are respectively slidably connected to the two second guide rails, the second stator is located between the two second guide rails, and the second mover is located between the two second guide seats.
[0023] Secondly, a die bonder includes the die bonder translation assembly.
[0024] Compared with the prior art, the beneficial effects of the present invention are:
[0025] 1. The first guide seat contacts the first guide rail through the first ball, thereby guiding the movable seat to move relative to the first base, and the second guide seat contacts the second guide rail through the second ball, thereby guiding the mounting seat to move relative to the second base, converting sliding friction into rolling friction, with a long service life and high precision.
[0026] 2. The first half guide groove contacts and positions a part of the first ball, and the second half guide groove contacts and positions the other part of the first ball. The first accommodating channel formed by the two ensures that the first ball is always located between the first guide rail and the first guide seat, limiting its movement direction and preventing it from falling.
[0027] 3. The first guide seat is further provided with a second accommodating channel connected end to end with the first accommodating channel. The first accommodating channel and the second accommodating channel form a first circulation channel structure, so that the first ball can circulate and roll in the first circulation channel structure.
[0028] 4. The first stator is located between the two first guide rails and the first mover is located between the two first guide seats, thereby guiding the movement of the movable seat relative to the first base from both sides at the same time, evenly distributing the pressure borne, and ensuring the movement accuracy of the movable seat.
[0029] 5. The third half guide groove contacts and positions a part of the second ball, and the fourth half guide groove contacts and positions the other part of the second ball. The third accommodating channel formed by the two ensures that the second ball is always located between the second guide rail and the second guide seat, limiting its movement direction and preventing it from falling.
[0030] 6. The second guide seat is further provided with a fourth accommodating channel connected end to end with the third accommodating channel. The third accommodating channel and the fourth accommodating channel form a second circulation channel structure, so that the second ball can circulate and roll in the second circulation channel structure.
[0031] 7. The second stator is located between the two second guide rails and the second mover is located between the two second guide seats, thereby guiding the movement of the mounting seat relative to the second base from both sides at the same time, evenly distributing the pressure borne, and ensuring the movement accuracy of the mounting seat. BRIEF DESCRIPTION OF THE DRAWINGS
[0032] Figure 1 This is a schematic structural diagram of the translation assembly of the crystal bonder of the present invention.
[0033] Figure 2 It is a structural schematic diagram of the first base, first driving assembly, moving base and first guide assembly of the utility model.
[0034] Figure 3It is a top view of the first base, the first driving assembly, the moving base and the first guide assembly of the present invention.
[0035] Figure 4 for Figure 3 Cross-sectional view from the AA perspective.
[0036] Figure 5 It is a structural schematic diagram of the second base, second drive assembly, mounting seat and second guide assembly of the present invention.
[0037] Figure 6 It is a structural schematic diagram of the second base, second drive assembly, mounting seat and second guide assembly of the present invention.
[0038] Figure 7 for Figure 6 Cross-sectional view from the BB perspective.
[0039] In the figure, 100, the first base; 210, the first stator; 220, the first mover; 300, the moving seat; 410, the first guide rail; 411, the first half guide groove; 420, the first guide seat; 421, the second half guide groove; 422, the second accommodating channel; 500, the second base; 610, the second stator; 620, the second mover; 700, the mounting seat; 810, the second guide rail; 811, the third half guide groove; 820, the second guide seat; 821, the fourth half guide groove; 822, the fourth accommodating channel. DETAILED DESCRIPTION
[0040] The following are specific embodiments of the present invention and the accompanying drawings to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.
[0041] It should be noted that all directional indications (such as up, down, left, right, front, back, etc.) in the embodiments of the present invention are only used to explain the relative position relationship, movement status, etc. between the various components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.
[0042] In addition, terms such as "first," "second," and "an" in this utility model are for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of the technical features indicated. Therefore, features specified as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of this utility model, "plurality" means at least two, such as two, three, etc., unless otherwise specifically defined.
[0043] In this utility model, unless otherwise specified or limited, the terms "connection" and "fixation" should be understood in a broad sense. For example, "fixation" can mean fixed connection, detachable connection, or integration; mechanical connection or electrical connection; direct connection or indirect connection through an intermediate medium; internal communication between two elements or interaction between two elements, unless otherwise specified. For those skilled in the art, the specific meanings of the above terms in this utility model can be understood according to specific circumstances.
[0044] In addition, the technical solutions between the various embodiments of the present invention can be combined with each other, but it must be based on the fact that ordinary technicians in this field can implement it. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such a combination of technical solutions does not exist and is not within the scope of protection required by this utility model.
[0045] The specific embodiments described herein are merely illustrative of the spirit of the present invention. Persons skilled in the art may make various modifications, additions, or substitutions to the described specific embodiments without departing from the spirit of the present invention or exceeding the scope defined by the appended claims.
[0046] like Figure 1-Figure 7 As shown, a translation assembly of a die bonder includes: a first base 100, a first drive assembly, a moving base 300, a first guide assembly, a second base 500, a second drive assembly, a mounting base 700 and a second guide assembly.
[0047] The first driving assembly is connected to the first base 100 .
[0048] Specifically, the first driving assembly includes a first stator 210 and a first mover 220 . The first stator 210 is connected to the first base 100 . The first mover 220 is connected to the movable base 300 . The first mover 220 is movable relative to the first stator 210 .
[0049] The movable base 300 is connected to the first driving assembly, and the first driving assembly can drive the movable base 300 to move relative to the first base 100 .
[0050] Among them, the first guide assembly includes a first guide rail 410 and a first guide seat 420, the first guide rail 410 is connected to the first base 100, the first guide seat 420 is connected to the movable seat 300, and a first ball (not shown in the figure) is arranged between the first guide seat 420 and the first guide rail 410, and the first guide seat 420 and the first guide rail 410 are in contact through the first ball.
[0051] The second base 500 is connected to the moving base 300 .
[0052] The second driving assembly is connected to the second base 500 .
[0053] Specifically, the second driving assembly includes a second stator 610 and a second mover 620 . The second stator 610 is connected to the second base 500 . The second mover 620 is connected to the mounting seat 700 . The second mover 620 is movable relative to the second stator 610 .
[0054] The mounting seat 700 is connected to the second driving assembly, and the second driving assembly can drive the mounting seat 700 to move relative to the second base 500 . The moving direction of the mounting seat 700 is perpendicular to the moving direction of the moving seat 300 .
[0055] Among them, the second guide assembly includes a second guide rail 810 and a second guide seat 820, the second guide rail 810 is connected to the second base 500, the second guide seat 820 is connected to the mounting seat 700, a second ball (not shown in the figure) is arranged between the second guide seat 820 and the second guide rail 810, and the second guide seat 820 and the second guide rail 810 are in contact through the second ball.
[0056] In this embodiment, the first guide seat 420 and the first guide rail 410 are in contact through the first ball, thereby guiding the movable seat 300 to move relative to the first base 100, and the second guide seat 820 and the second guide rail 810 are in contact through the second ball, thereby guiding the mounting seat 700 to move relative to the second base 500, converting sliding friction into rolling friction, which has a longer service life and higher precision.
[0057] like Figure 1-Figure 7 As shown, based on the above embodiment, the first guide rail 410 is provided with a first half guide groove 411, and the first guide seat 420 is provided with a second half guide groove 421. The first half guide groove 411 and the second half guide groove 421 are combined to form a first accommodating channel, and the first ball is distributed in the first accommodating channel.
[0058] In this embodiment, the first half guide groove 411 contacts and positions a part of the first ball, and the second half guide groove 421 contacts and positions the other part of the first ball. The first accommodating channel formed by the two ensures that the first ball is always located between the first guide rail 410 and the first guide seat 420, limiting its movement direction and preventing it from falling.
[0059] like Figure 1-Figure 7As shown, on the basis of the above embodiment, the first guide seat 420 is further provided with a second accommodating channel 422, and the two ends of the second accommodating channel 422 are respectively connected to the two ends of the second semi-guide groove 421, and the first accommodating channel and the second accommodating channel 422 form a first circulation channel structure, and the first balls are distributed in the first circulation channel structure.
[0060] In this embodiment, the first guide seat 420 is also provided with a second accommodating channel 422 which is connected end to end with the first accommodating channel. The first accommodating channel and the second accommodating channel 422 form a first circulation channel structure, so that the first ball can circulate and roll in the first circulation channel structure.
[0061] like Figure 1-Figure 7 As shown, based on the above embodiment, the number of the first guide rails 410 and the number of the first guide seats 420 are both two, the two first guide seats 420 are respectively slidably connected to the two first guide rails 410, the first stator 210 is located between the two first guide rails 410, and the first mover 220 is located between the two first guide seats 420.
[0062] In this embodiment, the first stator 210 is located between the two first guide rails 410 and the first mover 220 is located between the two first guide seats 420, thereby guiding the movement of the movable seat 300 relative to the first base 100 from both sides at the same time, evenly distributing the pressure, and ensuring the movement accuracy of the movable seat 300.
[0063] like Figure 1-Figure 7 As shown, based on the above embodiment, the second guide rail 810 is provided with a third half guide groove 811, and the second guide seat 820 is provided with a fourth half guide groove 821. The third half guide groove 811 and the fourth half guide groove 821 are combined to form a third accommodating channel, and the second ball is distributed in the third accommodating channel.
[0064] In this embodiment, the third half guide groove 811 contacts and positions a part of the second ball, and the fourth half guide groove 821 contacts and positions another part of the second ball. The third accommodating channel formed by the two ensures that the second ball is always located between the second guide rail 810 and the second guide seat 820, limiting its movement direction and preventing it from falling.
[0065] like Figure 1-Figure 7 As shown, on the basis of the above embodiment, the second guide seat 820 is further provided with a fourth accommodating channel 822, and the two ends of the fourth accommodating channel 822 are respectively connected to the two ends of the fourth semi-guide groove 821, and the third accommodating channel and the fourth accommodating channel 822 form a second circulation channel structure, and the second ball is distributed in the second circulation channel structure.
[0066] In this embodiment, the second guide seat 820 is also provided with a fourth accommodating channel 822 which is connected end to end with the third accommodating channel. The third accommodating channel and the fourth accommodating channel 822 form a second circulation channel structure, so that the second ball can circulate and roll in the second circulation channel structure.
[0067] like Figure 1-Figure 7 As shown, based on the above embodiment, the number of the second guide rails 810 and the number of the second guide seats 820 are both two, the two second guide seats 820 are respectively slidably connected to the two second guide rails 810, the second stator 610 is located between the two second guide rails 810, and the second mover 620 is located between the two second guide seats 820.
[0068] In this embodiment, the second stator 610 is located between the two second guide rails 810 and the second mover 620 is located between the two second guide seats 820, thereby guiding the movement of the mounting seat 700 relative to the second base 500 from both sides at the same time, evenly distributing the pressure, and ensuring the movement accuracy of the mounting seat 700.
[0069] like Figure 1-Figure 7 As shown, a crystal bonding machine includes the crystal bonding machine translation component.
Claims
1. A translation assembly of a die bonder, characterized in that: include: First Plinth; a first driving assembly connected to the first base; a moving seat connected to the first driving assembly, wherein the first driving assembly can drive the moving seat to move relative to the first base; a first guide assembly comprising a first guide rail and a first guide seat, wherein the first guide rail is connected to the first base, the first guide seat is connected to the movable seat, a first ball is provided between the first guide seat and the first guide rail, and the first guide seat and the first guide rail are in contact via the first ball; a second base connected to the moving base; a second driving assembly connected to the second base; a mounting seat connected to the second driving assembly, wherein the second driving assembly can drive the mounting seat to move relative to the second base, and the moving direction of the mounting seat is perpendicular to the moving direction of the moving seat; The second guide assembly includes a second guide rail and a second guide seat, the second guide rail is connected to the second base, the second guide seat is connected to the mounting seat, a second ball is provided between the second guide seat and the second guide rail, and the second guide seat and the second guide rail are in contact through the second ball.
2. The die bonder translation assembly according to claim 1, wherein: The first guide rail is provided with a first half guide groove, the first guide seat is provided with a second half guide groove, the first half guide groove and the second half guide groove are combined to form a first accommodating channel, and the first balls are distributed in the first accommodating channel.
3. The die bonder translation assembly according to claim 2, wherein: The first guide seat is also provided with a second accommodating channel, the two ends of the second accommodating channel are respectively connected to the two ends of the second half guide groove, the first accommodating channel and the second accommodating channel form a first circulation channel structure, and the first balls are distributed in the first circulation channel structure.
4. The die bonder translation assembly according to claim 1, wherein: The first driving assembly includes a first stator and a first mover. The first stator is connected to the first base. The first mover is connected to the movable seat. The first mover is movable relative to the first stator.
5. The die bonder translation assembly according to claim 4, characterized in that: The number of the first guide rails and the number of the first guide seats are both two, the two first guide seats are slidably connected to the two first guide rails respectively, the first stator is located between the two first guide rails, and the first mover is located between the two first guide seats.
6. The die bonder translation assembly according to claim 1, wherein: The second guide rail is provided with a third half guide groove, and the second guide seat is provided with a fourth half guide groove. The third half guide groove and the fourth half guide groove are combined to form a third accommodating channel, and the second balls are distributed in the third accommodating channel.
7. The die bonder translation assembly according to claim 6, wherein: The second guide seat is also provided with a fourth accommodating channel, the two ends of the fourth accommodating channel are respectively connected to the two ends of the fourth half guide groove, the third accommodating channel and the fourth accommodating channel form a second circulation channel structure, and the second balls are distributed in the second circulation channel structure.
8. The die bonder translation assembly according to claim 1, wherein: The second driving assembly includes a second stator and a second mover, the second stator is connected to the second base, the second mover is connected to the mounting seat, and the second mover is movable relative to the second stator.
9. The crystal bonder translation assembly according to claim 8, characterized in that: The number of the second guide rails and the number of the second guide seats are both two, the two second guide seats are slidably connected to the two second guide rails respectively, the second stator is located between the two second guide rails, and the second mover is located between the two second guide seats.
10. A die bonding machine, characterized in that: It comprises a crystal bonder translation assembly as described in any one of claims 1-9.
Citation Information
Patent Citations
Die bonder
CN113410172B