Lifting stock bin of PCBA (printed circuit board assembly)

Abstract

The utility model relates to the technical field of a plastic uptake disc lifting stock bin of a PCBA, in particular to a lifting stock bin of the PCBA. A machine table, an XZ axial transfer mechanism connected with the top of the machine table, a blister tray limiting frame connected with the bottom of the machine table, a lifting driving mechanism connected to one side of the machine table, a bracket connected with the output end of the lifting driving mechanism and extending into the blister tray limiting frame, and tray dividing supporting mechanisms connected to the tops of the two sides of the blister tray limiting frame are adopted. The blister tray positioning mechanism is connected to the side, away from the lifting driving mechanism, of the tray separation supporting mechanism, the tray separation supporting mechanism is matched with the XZ axial transfer mechanism to be used for separating independent blister trays from the stacked blister trays and supporting the independent blister trays, and the XZ axial transfer mechanism is used for moving the blister trays in the XZ axial direction. The PCBA containing groove in the top blister tray is prevented from being tightened and deformed easily due to stacked blister trays, tray arranging operation of a mechanical arm is facilitated, and the feeding device is particularly suitable for feeding of blister trays of small PCBA.

Description

Technical Field

[0001] This utility model relates to the field of lifting hopper for PCBA blister packs, and specifically to a lifting hopper for PCBA. Background Technology

[0002] PCBA blister trays are manufactured using a blister forming process and feature anti-static, moisture-proof, and dust-proof functions, ensuring that PCBAs are not damaged during transportation, storage, and processing. During production, after dust removal and inspection, the PCBAs are arranged on trays, typically using robotic arms to distribute multiple PCBAs simultaneously onto the blister tray.

[0003] The PCBA blister pack lifting hopper is a system specifically designed for storing, buffering, and automatically lifting PCBA blister packs. This type of hopper plays a crucial role in automated production lines, improving production efficiency, reducing manual labor, and ensuring the safe transport and storage of PCBA components. Traditional lifting hoppers raise and hold stacked blister packs, distributing PCBAs to the top blister pack. However, stacked blister packs can easily cause the PCBA receiving slots in the top blister pack to tighten and deform, especially for smaller PCBAs. Furthermore, stacked blister packs make it difficult to position the top blister pack accurately, making it challenging for robotic arms to precisely place PCBAs into the PCBA receiving slots of the blister pack. Summary of the Invention

[0004] In order to overcome the shortcomings and deficiencies of the existing technology, the purpose of this utility model is to provide a lifting hopper for PCBA.

[0005] The objective of this utility model is achieved through the following technical solution: a lifting hopper for PCBA, comprising a machine base, an XZ axial transfer mechanism connected to the top of the machine base, a blister tray limiting frame connected to the bottom of the machine base, a lifting drive mechanism connected to one side of the machine base, a bracket connected to the output end of the lifting drive mechanism and extending into the blister tray limiting frame, a tray-splitting support mechanism connected to the top of both sides of the blister tray limiting frame, and a blister tray positioning mechanism connected to the tray-splitting support mechanism on the side away from the lifting drive mechanism. The lifting drive mechanism is used to drive the bracket to lift and lower, the bracket is used to support stacked blister trays, the tray-splitting support mechanism cooperates with the XZ axial transfer mechanism to separate and support individual blister trays from the stacked blister trays, and the XZ axial transfer mechanism is used to move the blister trays along the XZ axial direction.

[0006] Preferably, the XZ axial transfer mechanism includes an X-axis linear module connected to the top of the machine tool, a first bracket connected to the output end of the X-axis linear module, a Y-axis extension frame fixedly connected to the top of the first bracket, a lifting cylinder connected to the end of the Y-axis extension frame away from the first bracket, a fixed frame connected to the output end of the lifting cylinder, and a plurality of suction cups fixedly connected to the fixed frame, the plurality of suction cups working together to adsorb the blister tray.

[0007] Preferably, the lifting drive mechanism includes a servo screw module connected to one side of the machine tool, the output end of the servo screw module is fixedly connected to the bracket, and the servo screw module is used to drive the bracket to lift.

[0008] Preferably, the tray support mechanism includes two supports respectively connected to the top of both sides of the blister tray limiting frame, a first telescopic cylinder fixedly connected to the bottom of the support, a second bracket connected to the output end of the first telescopic cylinder and passing through the support, a second telescopic cylinder connected to the top of the second bracket, a linear bearing seat fixedly connected to the top of the support, a support shaft slidably engaged with the linear bearing seat, and a support plate connected to the output end of the second telescopic cylinder and the support shaft. The support has a clearance through hole for the first telescopic cylinder to drive the second bracket to move, and the two support plates cooperate to support the blister tray.

[0009] Preferably, both sides of the top of the blister tray limiting frame are provided with clearance grooves for the tray to extend into the blister tray limiting frame.

[0010] Preferably, the blister tray positioning mechanism includes a fixed pad connected to the side of the support away from the lifting drive mechanism, a third telescopic cylinder connected to the top of the fixed pad, and a right-angle push plate connected to the output end of the third telescopic cylinder. The third telescopic cylinder and the right-angle push plate cooperate to push the blister tray to the end corner of the blister tray limiting frame away from the right-angle push plate for positioning.

[0011] The beneficial effects of this utility model are as follows: The lifting hopper of the PCBA of this utility model adopts a machine base, an XZ axial transfer mechanism connected to the top of the machine base, a blister tray limiting frame connected to the bottom of the machine base, a lifting drive mechanism connected to one side of the machine base, a bracket connected to the output end of the lifting drive mechanism and extending into the blister tray limiting frame, a tray-splitting support mechanism connected to the top of both sides of the blister tray limiting frame, and a blister tray positioning mechanism connected to the tray-splitting support mechanism on the side away from the lifting drive mechanism; in use, the stacked blister trays are supported by the bracket, and the lifting drive mechanism drives the bracket to rise to the top of the blister tray and the trays. The support mechanism is flush with the top independent blister tray, which is separated from the stacked blister trays by the tray-separating support mechanism. The remaining blister tray is lowered by the lifting drive mechanism, and then the independent blister tray is driven to rise and then fall by the XZ axis transfer mechanism to release the blister tray. At the same time, the tray-separating support mechanism supports the blister tray, and then the blister tray is positioned by the blister tray positioning mechanism. The existing robot can then place the PCBA onto the blister tray, avoiding the PCBA receiving groove in the top blister tray from tightening and deforming due to the stacked blister trays. This is more conducive to the robot's tray placement operation and is especially suitable for blister tray feeding of small PCBAs. Attached Figure Description

[0012] Figure 1 This is a schematic diagram of the structure of this utility model;

[0013] Figure 2 This is a schematic diagram of the XZ axial transfer mechanism described in this utility model;

[0014] Figure 3 This is a partially enlarged schematic diagram of the present invention;

[0015] The attached figures are labeled as follows: 1. Machine base; 2. XZ axis transfer mechanism; 21. X-axis linear module; 22. First support; 23. Y-axis extension frame; 24. Lifting cylinder; 25. Fixed frame; 26. Suction cup; 3. Blister tray limit frame; 4. Lifting drive mechanism; 41. Servo screw module; 5. Bracket; 6. Dial tray support mechanism; 61. Support; 62. First telescopic cylinder; 63. Second support; 64. Second telescopic cylinder; 65. Linear bearing seat; 66. Support shaft; 67. Tray; 7. Blister tray positioning mechanism; 71. Fixed pad; 72. Third telescopic cylinder; 73. Right angle push plate; 8. Clearance groove. Detailed Implementation

[0016] To facilitate understanding by those skilled in the art, the present invention will be further described below with reference to embodiments and accompanying drawings. The content mentioned in the embodiments is not intended to limit the present invention.

[0017] like Figure 1-3As shown, a lifting hopper for a PCBA includes a machine base 1, an XZ-axis transfer mechanism 2 connected to the top of the machine base 1, a blister tray limiting frame 3 connected to the bottom of the machine base 1, a lifting drive mechanism 4 connected to one side of the machine base 1, a bracket 5 connected to the output end of the lifting drive mechanism 4 and extending into the blister tray limiting frame 3, a tray-splitting support mechanism 6 connected to the top of both sides of the blister tray limiting frame 3, and a blister tray positioning mechanism 7 connected to the side of the tray-splitting support mechanism 6 away from the lifting drive mechanism 4. The lifting drive mechanism 4 is used to drive the bracket 5 to lift and lower, the bracket 5 is used to support stacked blister trays, the tray-splitting support mechanism 6 cooperates with the XZ-axis transfer mechanism 2 to separate and support individual blister trays from the stacked blister trays, and the XZ-axis transfer mechanism 2 is used to move the blister trays along the XZ-axis.

[0018] When using the lifting hopper of this PCBA, the stacked blister trays are supported by the bracket 5. The lifting drive mechanism 4 drives the bracket 5 to rise until the top blister tray is flush with the tray-separating support mechanism 6. The tray-separating support mechanism 6 separates the top independent blister tray from the stacked blister trays. The remaining blister trays descend with the lifting drive mechanism 4. Then, the XZ axis transfer mechanism 2 drives the independent blister trays to rise and then descend and release the blister trays. At the same time, the tray-separating support mechanism 6 supports the blister trays. Then, the blister tray positioning mechanism 7 positions the blister trays. The existing robot can then place the PCBA onto the blister trays. This avoids the PCBA receiving slots in the top blister tray from tightening and deforming due to the stacked blister trays, which is more conducive to the robot's tray placement operation. It is especially suitable for blister tray feeding of small PCBAs.

[0019] Furthermore, the XZ-axis transfer mechanism 2 includes an X-axis linear module 21 connected to the top of the machine base 1, a first bracket 22 connected to the output end of the X-axis linear module 21, a Y-axis extension frame 23 fixedly connected to the top of the first bracket 22, a lifting cylinder 24 connected to the end of the Y-axis extension frame 23 away from the first bracket 22, a fixed frame 25 connected to the output end of the lifting cylinder 24, and multiple suction cups 26 fixedly connected to the fixed frame 25. The multiple suction cups 26 work together to adsorb the blister tray. The X-axis linear module 21 drives the first bracket 22, which in turn moves the Y-axis extension frame 23, the lifting cylinder 24, the fixed frame 25, and the suction cups 26 along the X-axis. This facilitates the placement of the blister tray after separation by driving the first bracket 22 away from the blister tray limit frame 3, thus avoiding obstruction of the placement. On the other hand, after the placement is completed, the multiple suction cups 26 work together to adsorb the blister tray and then transfer it out of the blister tray limit frame 3 so that the next blister tray can continue to be operated.

[0020] Furthermore, the lifting drive mechanism 4 includes a servo screw module 41 connected to one side of the machine base 1. The output end of the servo screw module 41 is fixedly connected to the bracket 5. The servo screw module 41 is used to drive the bracket 5 to lift and lower, thereby lifting and lowering the stacked blister trays.

[0021] Furthermore, the tray support mechanism 6 includes two supports 61 respectively connected to the top of both sides of the blister tray limiting frame 3, a first telescopic cylinder 62 fixedly connected to the bottom of the support 61, a second bracket 63 connected to the output end of the first telescopic cylinder 62 and passing through the support 61, a second telescopic cylinder 64 connected to the top of the second bracket 63, a linear bearing seat 65 fixedly connected to the top of the support 61, a support shaft 66 slidably engaged with the linear bearing seat 65, and a support plate 67 connected to the output end of the second telescopic cylinder 64 and the support shaft 66. The support 61 has a clearance through hole (not shown in the figure) for the first telescopic cylinder 62 to drive the second bracket 63 to move. The two support plates 67 cooperate to support the blister tray. When the lifting drive mechanism 4 drives the bracket 5 to rise until the top blister tray is flush with the support plate 67, the two second telescopic cylinders 64 drive the two support plates 67 respectively to clamp the top blister tray to separate the top blister tray from the stacked blister trays. Then, the XZ axial transfer mechanism 2 adsorbs the top blister tray and raises it. The lifting drive mechanism 4 drives the remaining blister trays to descend, making the top blister tray completely independent. The two first telescopic cylinders 62 drive the two second brackets 63 to move closer to each other so that after the XZ axial transfer mechanism 2 descends and releases the blister tray, the two support plates 67 work together to support the blister tray.

[0022] Furthermore, both sides of the top of the blister tray limiting frame 3 are provided with clearance grooves 8 for the tray 67 to extend into the blister tray limiting frame 3. The tray 67 extends into the blister tray limiting frame 3 along the clearance grooves 8, which prevents the top blister tray from completely detaching from the top of the blister tray limiting frame 3, which would be detrimental to tray separation and positioning.

[0023] Furthermore, the blister tray positioning mechanism 7 includes a fixed pad 71 connected to the side of the support 61 away from the lifting drive mechanism 4, a third telescopic cylinder 72 connected to the top of the fixed pad 71, and a right-angle push plate 73 connected to the output end of the third telescopic cylinder 72. The third telescopic cylinder 72 and the right-angle push plate 73 cooperate to push the blister tray to the end corner of the blister tray limiting frame 3 away from the right-angle push plate 73 for positioning, which is more conducive to the robot arm's tray placement operation.

[0024] The above embodiments are preferred implementations of this utility model. In addition, this utility model can also be implemented in other ways. Any obvious substitutions without departing from the concept of this utility model are within the protection scope of this utility model.

Claims

1. A lifting hopper for PCBA, characterized in that: The device includes a machine base, an XZ-axis transfer mechanism connected to the top of the machine base, a blister tray limiting frame connected to the bottom of the machine base, a lifting drive mechanism connected to one side of the machine base, a bracket connected to the output end of the lifting drive mechanism and extending into the blister tray limiting frame, a tray-splitting support mechanism connected to the top of both sides of the blister tray limiting frame, and a blister tray positioning mechanism connected to the tray-splitting support mechanism on the side away from the lifting drive mechanism. The lifting drive mechanism is used to drive the bracket to lift and lower, the bracket is used to support stacked blister trays, the tray-splitting support mechanism cooperates with the XZ-axis transfer mechanism to separate and support individual blister trays from the stacked blister trays, and the XZ-axis transfer mechanism is used to move the blister trays along the XZ-axis.

2. The lifting hopper for PCBA according to claim 1, characterized in that: The XZ axial transfer mechanism includes an X-axis linear module connected to the top of the machine base, a first bracket connected to the output end of the X-axis linear module, a Y-axis extension frame fixedly connected to the top of the first bracket, a lifting cylinder connected to the end of the Y-axis extension frame away from the first bracket, a fixed frame connected to the output end of the lifting cylinder, and multiple suction cups fixedly connected to the fixed frame. The multiple suction cups work together to adsorb the blister tray.

3. The lifting hopper for PCBA according to claim 1, characterized in that: The lifting drive mechanism includes a servo screw module connected to one side of the machine tool. The output end of the servo screw module is fixedly connected to the bracket, and the servo screw module is used to drive the bracket to lift.

4. The lifting hopper for PCBA according to claim 1, characterized in that: The tray support mechanism includes two supports respectively connected to the top of the two sides of the blister tray limiting frame, a first telescopic cylinder fixedly connected to the bottom of the support, a second bracket connected to the output end of the first telescopic cylinder and passing through the support, a second telescopic cylinder connected to the top of the second bracket, a linear bearing seat fixedly connected to the top of the support, a support shaft slidably engaged with the linear bearing seat, and a support plate connected to the output end of the second telescopic cylinder and the support shaft. The support has a clearance through hole for the first telescopic cylinder to drive the second bracket to move. The two support plates work together to support the blister tray.

5. The lifting hopper for PCBA according to claim 4, characterized in that: The top of both sides of the blister tray limiting frame are provided with clearance grooves for the tray to extend into the blister tray limiting frame.

6. The lifting hopper for PCBA according to claim 5, characterized in that: The blister tray positioning mechanism includes a fixed pad connected to the side of the support away from the lifting drive mechanism, a third telescopic cylinder connected to the top of the fixed pad, and a right-angle push plate connected to the output end of the third telescopic cylinder. The third telescopic cylinder and the right-angle push plate cooperate to push the blister tray to the end corner of the blister tray limiting frame away from the right-angle push plate for positioning.

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