Pickup device

Abstract

The utility model discloses a pickup device, and relates to the technical field of semiconductor packaging equipment. The pick-up device comprises a supporting seat, a material conveying mechanism, a workbench, a pick-up mechanism and a detection mechanism. The material conveying mechanism is arranged on the supporting seat and is used for conveying the lead frame; the workbench is arranged on the supporting seat and at the tail end of the material conveying mechanism, and the workbench is used for bearing the lead frame conveyed by the material conveying mechanism; the picking mechanism comprises a picking unit, and the picking unit is arranged on the supporting base, located above the workbench and capable of moving above the workbench; the detection mechanism is arranged on the pickup mechanism and used for obtaining information of the lead frame on the workbench, and the pickup unit can move according to the obtained information of the lead frame so as to be aligned with a bad copper sheet on the workbench or pick up the bad copper sheet on the workbench. And the practicability of the picking device is relatively poor.

Description

Technical Field

[0001] The utility model relates to the technical field of semiconductor packaging equipment, in particular to a pickup device. Background Art

[0002] In recent years, with the rapid development of copper sheet clamping and welding packaging technology, the localization progress of the corresponding copper sheet clamping and welding packaging equipment is accelerating, and more and more domestic packaging equipment has flooded into the market, but the problems that come with it are also coming one after another. During the packaging process, most of the copper sheet clamping and welding packaging equipment on the market will produce defective copper sheets with excessive deviation in the copper sheet loading position or loading angle, so a picking device is needed to pick up and remove the defective copper sheets.

[0003] The picking device in the prior art has a low intelligence level and cannot quickly, accurately and intelligently identify the loading status of the copper sheet or the product quality of the copper sheet, resulting in poor practicality of the picking device.

[0004] Therefore, there is an urgent need to provide a picking device to solve the above technical problems. Utility Model Content

[0005] The utility model aims to provide a picking device to solve the problem that the picking device in the prior art has a low intelligence level, resulting in poor practicability of the picking device.

[0006] To achieve this purpose, the utility model adopts the following technical solutions:

[0007] A picking device for moving a lead frame and picking up a defective copper piece in the lead frame, comprising:

[0008] Support seat;

[0009] A material conveying mechanism, the material conveying mechanism is arranged on the support seat, and the material conveying mechanism is used to convey the lead frame;

[0010] A workbench, the workbench is arranged on the support seat and at the end of the material conveying mechanism, and the workbench is used to receive the lead frame conveyed by the material conveying mechanism;

[0011] A picking mechanism, wherein the picking mechanism is disposed on the supporting seat, the picking mechanism comprises a picking unit, the picking unit is located above the workbench, and the picking unit can move above the workbench along the X direction, the Y direction or the Z direction;

[0012] A detection mechanism is arranged on the picking mechanism, and the detection mechanism is used to obtain information of the lead frame. The picking unit can move above the workbench along the X direction, the Y direction and the Z direction according to the obtained information of the lead frame to align with the defective copper sheet on the workbench or pick up the defective copper sheet on the workbench.

[0013] As a preferred technical solution for a picking device, the picking mechanism also includes a first moving mechanism, a second moving mechanism and a third moving mechanism, the first moving mechanism is arranged on the support seat, the driving end of the first moving mechanism is connected to the second moving mechanism, the first moving mechanism is used to drive the second moving mechanism to move along the X direction, the driving end of the second moving mechanism is connected to the third moving mechanism, the second moving mechanism is used to drive the third moving mechanism to move along the Y direction, the driving end of the third moving mechanism is connected to the picking unit, and the third moving mechanism is used to drive the picking unit to move along the Z direction.

[0014] As a preferred technical solution for a picking device, the detection mechanism includes a visual detection mechanism and an optical fiber detection mechanism, the visual detection mechanism is arranged on the third moving mechanism, and the optical fiber detection mechanism is arranged on the picking unit, the visual detection mechanism is used to obtain first information of the lead frame on the workbench, and the picking unit can move above the workbench along the X direction or the Y direction according to the first information, and the optical fiber detection mechanism is used to obtain second information of the lead frame on the workbench, and the picking unit can move above the workbench along the Z direction according to the second information.

[0015] As a preferred technical solution for a picking device, the material conveying mechanism includes a clamp and a fourth drive component, the fourth drive component is arranged on the support seat, the driving end of the fourth drive component is connected to the clamp, and the fourth drive component is used to drive the clamp to move along the X direction so that the clamp can clamp the lead frame.

[0016] As a preferred technical solution for a picking device, it also includes a limiting mechanism, which includes a first guide rail and a second guide rail arranged in parallel, the first guide rail and the second guide rail are both fixedly connected to the support seat, a first groove is provided on the side wall of the first guide rail facing the second guide rail, the first groove is used to accommodate one end of the lead frame, and a second groove is provided on the side wall of the second guide rail facing the first guide rail, the second groove is used to accommodate the other end of the lead frame.

[0017] As a preferred technical solution for a picking device, it also includes a positioning mechanism, which includes a push plate and a first driving component, the push plate is arranged in the first groove, the first driving component is arranged on the support seat, and the first driving component is used to drive the push plate to move along the Y direction to push one end of the lead frame in the first groove so that the other end of the lead frame abuts against the bottom of the second groove.

[0018] As a preferred technical solution for a picking device, it also includes an adjustment mechanism, which includes a guide shaft and a second drive component, the second drive component is arranged on the support seat, the guide shaft is perpendicular to the extension direction of the first guide rail, one end of the guide shaft is fixedly connected to the first guide rail, a slider is sleeved on the guide shaft, the slider is fixedly connected to the second guide rail, and the second drive component can drive the slider to move along the guide shaft to adjust the distance between the first guide rail and the second guide rail.

[0019] As a preferred technical solution of the picking device, it also includes a support member, which is arranged on the support seat, the support member is arranged between the first guide rail and the second guide rail, and the support member is used to support the lead frame arranged on the material conveying mechanism.

[0020] As an optimal technical solution for a picking device, it also includes a pressing mechanism, which includes a pressing plate and a third driving component. The third driving component is arranged on the support seat, and the pressing plate is arranged above the workbench. The third driving component is used to drive the pressing plate to move along the Z direction so that the pressing plate can press the lead frame on the workbench.

[0021] As an optimal technical solution for a picking device, it also includes a waste collection box, which is arranged on the support seat and has an opening upward. The waste collection box is used to place the defective copper sheets on the workbench picked up by the picking unit.

[0022] Beneficial effects of the utility model:

[0023] The utility model provides a picking device, which includes a support frame, a material conveying mechanism, a workbench, a picking mechanism and a detection mechanism. The material conveying mechanism conveys the lead frame and conveys the lead frame to the workbench. A picking mechanism is arranged above the workbench, and a detection mechanism is arranged on the picking mechanism. The detection mechanism collects and analyzes the information of the lead frame on the workbench. The picking unit moves above the workbench along the X direction, the Y direction and the Z direction according to the information of the lead frame on the workbench, and then aligns with the defective copper sheet on the workbench or picks up the defective copper sheet on the workbench. The picking device solves the problem in the prior art that the picking device cannot intelligently identify the information of the material, resulting in poor practicality of the picking device, and improves the practicality of the picking device. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is a structural schematic diagram of the picking mechanism of the utility model;

[0025] Figure 2 It is a partial structural schematic diagram of the picking mechanism of the utility model.

[0026] In the figure:

[0027] 1. Support seat; 111. Accommodating cavity;

[0028] 2. Material conveying mechanism; 21. Gripper;

[0029] 3. Workbench;

[0030] 4. Picking mechanism; 41. Picking unit; 42. First moving mechanism; 43. Second moving mechanism; 44. Third moving mechanism;

[0031] 5. Testing mechanism; 51. Visual testing mechanism; 52. Optical fiber testing mechanism;

[0032] 6. Positioning mechanism;

[0033] 7. Adjustment mechanism;

[0034] 8. Supporting parts;

[0035] 9. Pressing mechanism; 91. Pressing plate;

[0036] 10. Waste collection box;

[0037] 11. Control mechanism. DETAILED DESCRIPTION

[0038] In order to make the technical problems solved by the present invention, the technical solutions adopted and the technical effects achieved clearer, the technical solutions of the embodiments of the present invention will be further described in detail below in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative work are within the scope of protection of the present invention.

[0039] In the description of the present invention, unless otherwise clearly specified and limited, the terms "connected", "connected", and "fixed" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0040] In the present utility model, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may include that the first and second features are in direct contact, or may include that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, a first feature being "above", "above" and "above" a second feature includes that the first feature is directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature. A first feature being "below", "below" and "below" a second feature includes that the first feature is directly below and obliquely below the second feature, or simply indicates that the first feature is lower in level than the second feature.

[0041] The technical solution of the utility model is further explained below with reference to the accompanying drawings and through specific implementation methods.

[0042] like Figure 1As shown, this embodiment provides a picking device for moving a lead frame and picking up defective copper sheets in the lead frame, including a support seat 1, a material conveying mechanism 2, a workbench 3, a picking mechanism 4 and a detection mechanism 5. The material conveying mechanism 2 is arranged on the support seat 1, and the material conveying mechanism 2 is used to convey the lead frame; the workbench 3 is arranged on the support seat 1 and is placed at the end of the material conveying mechanism 2, and the workbench 3 is used to receive the lead frame conveyed by the material conveying mechanism 2; the picking mechanism 4 is arranged on the support seat 1, and the picking mechanism 4 includes a picking unit 41, and the picking unit 41 is located above the workbench 3, and the picking unit 41 can move above the workbench 3 in the X direction, the Y direction or the Z direction; the detection mechanism 5 is arranged on the picking mechanism 4, and the detection mechanism 5 is used to obtain information of the lead frame, and the picking unit 41 can move above the workbench 3 in the X direction, the Y direction and the Z direction according to the information of the lead frame obtained, so as to align with the defective copper sheet on the workbench 3 or pick up the defective copper sheet on the workbench 3. The material conveying mechanism 2 conveys the lead frame and conveys the lead frame to the workbench 3. A picking mechanism 4 is arranged above the workbench 3. A detection mechanism 5 is arranged on the picking mechanism 4. The detection mechanism 5 obtains the information of the lead frame on the workbench 3. The picking unit 41 moves along the X direction, the Y direction and the Z direction above the workbench 3 according to the information of the lead frame on the workbench 3, and then aligns with the defective copper sheet on the workbench 3 or picks up the defective copper sheet on the workbench 3. The picking device solves the problem in the prior art that the picking device cannot intelligently identify the information of the material, resulting in poor practicality of the picking device, thereby improving the practicality of the picking device. In this embodiment, the copper sheet in the lead frame has a position offset or an angle deviation that is too large, which is a defective copper sheet. The picking device is used to pick up the defective copper sheet.

[0043] In this embodiment, the picking mechanism 4 further includes a first moving mechanism 42, a second moving mechanism 43 and a third moving mechanism 44. The first moving mechanism 42 is arranged on the support seat 1. The driving end of the first moving mechanism 42 is connected to the second moving mechanism 43. The first moving mechanism 42 is used to drive the second moving mechanism 43 to move along the X direction. The driving end of the second moving mechanism 43 is connected to the third moving mechanism 44. The second moving mechanism 43 is used to drive the third moving mechanism 44 to move along the Y direction. The driving end of the third moving mechanism 44 is connected to the picking unit 41. The third moving mechanism 44 is used to drive the picking unit 41 to move along the Z direction. The first moving mechanism 42, the second moving mechanism 43 and the third moving mechanism 44 cooperate with each other to drive the picking unit 41 to move along the X direction, the Y direction and the Z direction above the workbench 3, thereby realizing that the picking unit 41 is aligned with the defective copper sheet in the lead frame on the workbench 3 and picks up the defective copper sheet in the lead frame on the workbench 3.

[0044] Furthermore, the first moving mechanism 42 , the second moving mechanism 43 and the third moving mechanism 44 are all linear motor modules.

[0045] In this embodiment, the material conveying mechanism 2 includes a clamp 21 and a fourth drive component. The fourth drive component is arranged on the support base 1. The driving end of the fourth drive component is connected to the clamp 21. The fourth drive component is used to drive the clamp 21 to move along the X direction so that the clamp 21 can clamp the lead frame, thereby improving the degree of automation of the picking device.

[0046] In this embodiment, the pickup device further includes a limiting mechanism, which includes a first guide rail and a second guide rail arranged in parallel, the first guide rail and the second guide rail are both fixedly connected to the support seat, a first groove is arranged on the side wall of the second guide rail facing the first guide rail, the first groove is used to accommodate one end of the lead frame, and a second groove is arranged on the side wall of the second guide rail facing the first guide rail, the second groove is used to accommodate the other end of the lead frame. The two ends of the lead frame are respectively placed in the first groove and the second groove to prevent the lead frame from being misplaced during movement.

[0047] Furthermore, the picking device also includes a positioning mechanism 6, which includes a push plate and a first drive assembly. The push plate is arranged in the first groove, and the first drive assembly is arranged on the support seat 1. The first drive assembly is used to drive the push plate to move along the Y direction to push one end of the lead frame in the first groove so that the other end of the lead frame abuts against the bottom of the second groove, thereby ensuring that each lead frame is in the same position before entering the workbench 3.

[0048] Furthermore, the pickup device also includes an adjustment mechanism 7, which includes a guide shaft and a second drive assembly. The second drive assembly is arranged on the support seat 1, the guide shaft is perpendicular to the direction in which the first guide rail extends, one end of the guide shaft is fixedly connected to the first guide rail, a slider is sleeved on the guide shaft, and the slider is fixedly connected to the second guide rail. The second drive assembly can drive the slider to move along the guide shaft to adjust the distance between the first guide rail and the second guide rail. The second drive assembly drives the slider to move along the guide shaft, thereby realizing the movement of the second guide rail relative to the first guide rail in the Y direction, thereby adjusting the distance between the first guide rail and the second guide rail, and realizing the adaptation of lead frames of different sizes, so that the pickup device has a wider range of applications.

[0049] like Figure 1 and Figure 2 As shown, further, the picking device also includes a support member 8, which is arranged on the support seat 1, and the support member 8 is arranged between the first guide rail and the second guide rail. The support member 8 is used to support the lead frame arranged on the first guide rail and the second guide rail to prevent the middle part of the lead frame from sinking downward.

[0050] In this embodiment, the picking device further includes a pressing mechanism 9, which includes a pressing plate 91 and a third driving assembly, wherein the third driving assembly is disposed on the mounting seat 1, and the pressing plate 91 is disposed above the workbench 3, and the third driving assembly is used to drive the pressing plate 91 to move along the Z direction, so that the pressing plate 91 can press the lead frame on the workbench 3. When the picking unit 41 picks up a defective copper sheet in the lead frame, the third driving assembly drives the pressing plate 91 to move along the Z direction to press the lead frame on the workbench 3, so as to prevent the picking unit 41 from picking up the entire lead frame when picking up the defective copper sheet.

[0051] like Figure 1 As shown, in this embodiment, the detection mechanism 5 includes a visual detection mechanism 51 and an optical fiber detection mechanism 52. The visual detection mechanism 51 is arranged on the third moving mechanism 44, and the optical fiber detection mechanism 52 is arranged on the picking unit 41. The visual detection mechanism 51 is used to obtain the first information of the lead frame on the workbench 3, and the picking unit 41 can move in the X direction or the Y direction above the workbench 3 according to the first information. The optical fiber detection mechanism 52 is used to obtain the second information of the lead frame on the workbench 3, and the picking unit 41 can move in the Z direction above the workbench 3 according to the second information. In this embodiment, the visual detection mechanism 51 is a high-definition camera, and the optical fiber detection mechanism 52 is an optical fiber sensor.

[0052] In this embodiment, the picking device further includes a waste collection box 10, which is disposed on the support base 1. The waste collection box 10 is provided with an opening upward, and the waste collection box 10 is used to place defective copper sheets in the lead frame on the workbench 3 picked up by the picking unit 41. The picking unit 41 picks up defective copper sheets in the lead frame on the workbench 3 and puts them into the waste collection box 10.

[0053] In this embodiment, the picking device further includes a control mechanism 11, a receiving cavity 111 is provided on the support base 1, the receiving cavity 111 is provided with an opening, the control mechanism 11 is placed in the receiving cavity 111, and the control mechanism 11 is used to control the first moving mechanism 42, the second moving mechanism 43, the third moving mechanism 44, the first driving assembly, the second driving assembly, the third driving assembly and the fourth driving assembly. The control circuit structure of the control mechanism 11 controlling the first moving mechanism 42, the second moving mechanism 43, the third moving mechanism 44, the first driving assembly, the second driving assembly, the third driving assembly and the fourth driving assembly is a prior art and will not be described in detail here.

[0054] Workflow: the adjustment mechanism 7 adjusts the distance between the first guide rail and the second guide rail to match the size of the lead frame, the clamp 21 clamps the lead frame of the previous program onto the first guide rail and the second guide rail, the clamp 21 is released, and the push plate pushes one end of the lead frame so that the other end abuts against the bottom of the second groove, ensuring that the lead frames on the first guide rail and the second guide rail are in the same position, the clamp 21 is closed again, the clamp 21 moves along the X direction, driving the lead frame to move and place it on the workbench 3, the pressing plate 91 presses the lead frame on the workbench 3, the visual inspection mechanism 51 on the picking mechanism 4 above the workbench 3 obtains the first information of the lead frame on the workbench 3 and controls the picking unit 41 to move along the X direction or the Y direction above the workbench 3, so that the picking unit 41 aligns the defective copper sheet in the lead frame, the optical fiber detection mechanism 52 on the picking mechanism 4 obtains the second information of the lead frame on the workbench 3, so that the picking unit 41 picks up the defective copper sheet in the lead frame, and puts the defective copper sheet into the waste collection box 10.

[0055] Obviously, the above embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the implementation methods of the present invention. For those skilled in the art, other different forms of changes or modifications can be made based on the above description. It is not necessary and impossible to list all implementation methods here. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of the present invention shall be included in the protection scope of the claims of the present invention.

Claims

1. A picking device for conveying a lead frame and picking up defective copper sheets on the lead frame, characterized in that: include: Support seat (1); A material conveying mechanism (2), the material conveying mechanism (2) being arranged on the support seat (1), and the material conveying mechanism (2) being used for conveying a lead frame; A workbench (3), the workbench (3) being arranged on the support seat (1) and placed at the end of the material conveying mechanism (2), the workbench being used to receive the lead frame conveyed by the material conveying mechanism (2); A picking mechanism (4), the picking mechanism (4) being arranged on the support seat (1), the picking mechanism (4) comprising a picking unit (41), the picking unit (41) being located above the workbench (3), and the picking unit (41) being able to move above the workbench (3) along the X direction, the Y direction or the Z direction; A detection mechanism (5), the detection mechanism (5) being arranged on the picking mechanism (4), the detection mechanism (5) being used to obtain information of the lead frame on the workbench (3), the picking unit (41) being able to move above the workbench (3) along the X direction, the Y direction and the Z direction according to the obtained information of the lead frame, so as to align with the defective copper sheet on the workbench (3) or pick up the defective copper sheet on the workbench (3).

2. The pickup device according to claim 1, characterized in that: The picking mechanism (4) further comprises a first moving mechanism (42), a second moving mechanism (43) and a third moving mechanism (44); the first moving mechanism (42) is arranged on the supporting seat (1); the driving end of the first moving mechanism (42) is connected to the second moving mechanism (43); the first moving mechanism (42) is used to drive the second moving mechanism (43) to move along the X direction; the driving end of the second moving mechanism (43) is connected to the third moving mechanism (44); the second moving mechanism (43) is used to drive the third moving mechanism (44) to move along the Y direction; the driving end of the third moving mechanism (44) is connected to the picking unit (41); the third moving mechanism (44) is used to drive the picking unit (41) to move along the Z direction.

3. The pickup device according to claim 2, characterized in that: The detection mechanism (5) comprises a visual detection mechanism (51) and an optical fiber detection mechanism (52); the visual detection mechanism (51) is arranged on the third moving mechanism (44); the optical fiber detection mechanism (52) is arranged on the picking unit (41); the visual detection mechanism (51) is used to obtain first information of the lead frame on the workbench (3); the picking unit (41) can move above the workbench (3) along the X direction or the Y direction according to the first information; the optical fiber detection mechanism (52) is used to obtain second information of the lead frame on the workbench (3); the picking unit (41) can move above the workbench (3) along the Z direction according to the second information.

4. The pickup device according to claim 1, characterized in that: The material conveying mechanism (2) comprises a clamping jaw (21) and a fourth driving assembly, wherein the fourth driving assembly is arranged on the support seat (1), a driving end of the fourth driving assembly is connected to the clamping jaw (21), and the fourth driving assembly is used to drive the clamping jaw (21) to move along the X direction so that the clamping jaw (21) can clamp the lead frame.

5. The pickup device according to claim 1, characterized in that: The invention also comprises a limiting mechanism, wherein the limiting mechanism comprises a first guide rail and a second guide rail arranged in parallel, wherein the first guide rail and the second guide rail are both fixedly connected to the support seat (1), a first groove is arranged on the side wall of the first guide rail facing the second guide rail, and the first groove is used to accommodate one end of the lead frame, and a second groove is arranged on the side wall of the second guide rail facing the first guide rail, and the second groove is used to accommodate the other end of the lead frame.

6. The pickup device according to claim 5, characterized in that: The invention also includes a positioning mechanism (6), wherein the positioning mechanism (6) includes a push plate and a first driving component, wherein the push plate is arranged in the first groove, and the first driving component is arranged on the support seat (1), and the first driving component is used to drive the push plate to move along the Y direction to push one end of the lead frame in the first groove so that the other end of the lead frame abuts against the bottom of the second groove.

7. The pickup device according to claim 5, characterized in that: The invention also comprises an adjusting mechanism (7), wherein the adjusting mechanism (7) comprises a guide shaft and a second driving component, wherein the second driving component is arranged on the supporting seat (1), the guide shaft is perpendicular to the direction in which the first guide rail extends, one end of the guide shaft is fixedly connected to the first guide rail, a sliding block is sleeved on the guide shaft, and the sliding block is fixedly connected to the second guide rail, and the second driving component can drive the sliding block to move along the guide shaft to adjust the distance between the first guide rail and the second guide rail.

8. The pickup device according to claim 5, characterized in that: It also comprises a support member (8), wherein the support member (8) is arranged on the support seat (1), the support member (8) is arranged between the first guide rail and the second guide rail, and the support member (8) is used to support the lead frame arranged on the material conveying mechanism (2).

9. The pickup device according to claim 1, characterized in that: The invention also comprises a pressing mechanism (9), wherein the pressing mechanism (9) comprises a pressing plate (91) and a third driving component, wherein the third driving component is arranged on the support seat (1), and the pressing plate (91) is arranged above the workbench (3), and the third driving component is used to drive the pressing plate (91) to move along the Z direction so that the pressing plate (91) can press the lead frame on the workbench (3).

10. The pickup device according to claim 1, characterized in that: It also includes a waste collection box (10), which is arranged on the support base (1), and the waste collection box (10) is provided with an opening facing upwards, and the waste collection box (10) is used to place the defective copper sheets on the workbench (3) picked up by the picking unit (41).

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