Step frame feeding device

Abstract

The utility model provides a step frame feeding device, a step frame is provided with heat dissipation through holes, the feeding device comprises a supporting plate and a guide column, and the step height of the upper surface of the guide column is matched with the step height of the step frame; the guide columns are at least located on the upper surface of the supporting plate, the extending direction of the guide columns is perpendicular to the upper surface of the supporting plate, and after the step frame is placed on the supporting plate, the guide columns penetrate through the heat dissipation through holes to limit the step frame. According to the step frame feeding device, the guide columns penetrate through the heat dissipation through holes to limit the step frames, so that the step frames are prevented from inclining, the step frames can be sucked by the plane frame adsorption device, the equipment compatibility of the adsorption device is improved, the plane frames and the step frames can be sucked, the equipment purchasing cost is reduced, and the production efficiency is improved. The cost is reduced; in addition, plane frame welding products and step frame welding products can be rapidly switched, and the equipment production utilization rate is effectively improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of semiconductor packaging, and relates to a stepped frame feeding device. BACKGROUND

[0002] The development and progress of semiconductor enterprises cannot be separated from the support of various semiconductor equipment, and the die-attaching soft solder equipment has become one of the indispensable equipment in the industry as a semiconductor post-sealing and testing equipment.

[0003] The die-attaching soft solder equipment mainly comprises a feeding mechanism, a conveying mechanism, a tin-pointing and mold pressing mechanism, a welding mechanism and a discharging mechanism, wherein the feeding mechanism is used to adsorb the surface of the frame by a suction cup and then transfer to a specified position of a guide rail to complete the feeding action. Figures 1 to 3 Currently, the frame of the packaging structure mainly has two types, the first type is a planar frame such as a PDFN series frame, please refer to Figures 4 to 6 , the whole of the planar frame 1 is flat, and the multiple planar frames 1 are still flat after being stacked; the second type is a stepped frame such as a TO-247 series frame, please refer to Figures 4 to 6 , the stepped frame 2 has steps, and the multiple stepped frames 2 are in the shape of an inclined sector after being stacked. For some die-attaching soft solder equipment, since the frame bearing platform in the feeding mechanism is planar, it can only be used for adsorbing the frame without steps, and cannot be used for adsorbing the frame with steps, which leads to low equipment compatibility, and different types of frame adsorption need to purchase different equipment, resulting in increased cost.

[0004] Therefore, how to provide a stepped frame feeding device to enable the stepped frame to be adsorbed by the planar frame adsorption device and reduce the cost has become a technical problem to be solved by the person skilled in the art. SUMMARY

[0005] In view of the above-mentioned shortcomings of the prior art, the purpose of the utility model is to provide a stepped frame feeding device to solve the problem that the stepped frame cannot be adsorbed by the planar frame adsorption device in the prior art and the low equipment compatibility.

[0006] To achieve the above-mentioned purpose and other related purposes, the utility model provides a stepped frame feeding device, the stepped frame has a heat dissipation hole, and the feeding device comprises:

[0007] a supporting plate, the upper surface of the supporting plate is stepped, and the height of the upper surface of the supporting plate is matched with the height of the steps of the stepped frame;

[0008] a guide column, at least located on the upper surface of the supporting plate, and the extension direction of the guide column is perpendicular to the upper surface of the supporting plate, wherein the stepped frame is placed on the supporting plate, and the guide column passes through the heat dissipation hole to limit the stepped frame.

[0009] Optionally, the number of the guide columns is not less than two, and each of the guide columns passes through the heat dissipation perforation at the preset position.

[0010] Optionally, the number of the guide columns is two.

[0011] Optionally, after the guide column passes through the heat dissipation perforation, the distance between the hole wall of the heat dissipation perforation and the side wall of the guide column is in the range of 2mm-5mm.

[0012] Optionally, a guide column seat is further included, the guide column seat is located below the supporting plate, and the bottom end of the guide column penetrates the supporting plate and is connected with the guide column seat.

[0013] Optionally, an adjusting seat is further included, the adjusting seat is located below the guide column seat, the guide column seat is installed on the adjusting seat, and the guide column seat can move relative to the adjusting seat.

[0014] Optionally, a sheet frame is further included, the sheet frame includes a first sheet frame and a second sheet frame, the first sheet frame and the second sheet frame are separately arranged at two ends of the supporting plate in the horizontal direction, and the sheet frame protrudes from the upper surface of the supporting plate in the vertical direction.

[0015] Optionally, a sheet frame seat is further included, the sheet frame seat is located below the sheet frame to fix the sheet frame, and the sheet frame seat can move relative to the supporting plate.

[0016] Optionally, the number of the sheet frame is two.

[0017] Optionally, the ratio of the height of the guide column above the upper surface of the supporting plate to the thickness of the stepped frame is not less than 5.

[0018] As described above, in the stepped frame loading device, the guide column penetrates the heat dissipation perforation to limit the stepped frame, so that the stepped frame can be sucked by the planar frame suction device, the equipment compatibility of the suction device is improved, the planar frame and the stepped frame can be sucked, the equipment purchase cost is reduced, and the cost is lowered; and the planar frame welding product and the stepped frame welding product can be quickly switched, and the equipment production utilization rate is effectively improved. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 A plan view of a platform frame is shown.

[0020] Figure 2 A side view of a platform frame is shown.

[0021] Figure 3 A side view of a plurality of platform frames stacked is shown.

[0022] Figure 4 A top view of the stepped frame is shown.

[0023] Figure 5 A side view of the stepped frame is shown.

[0024] Figure 6 A side view of the stepped frame is shown.

[0025] Figure 7 A perspective view of the stepped frame feeding device is shown.

[0026] Figure 8 A perspective view of the stepped frame feeding device is shown.

[0027] Figure 9 A side view of the stepped frame feeding device is shown.

[0028] Figure 10 A perspective view of the stepped frame feeding device is shown.

[0029] Element number explanation

[0030] 1 Planar frame

[0031] 2 Stepped frame

[0032] 200 Heat dissipation perforation

[0033] 3 Support plate

[0034] 4 Guide column

[0035] 5 Guide column seat

[0036] 6 Adjusting seat

[0037] 7 Tray

[0038] 8 Tray seat DETAILED DESCRIPTION

[0039] The embodiments of the present application will be described in detail with specific examples. Those skilled in the art can easily understand other advantages and effects of the present application from the content disclosed in the specification. The present application can also be implemented or applied in other different embodiments, and the details in the specification can be modified or changed based on different viewpoints and applications without departing from the spirit of the present application.

[0040] Please refer to Figures 4 to 10It is to be noted that the diagrams provided in the embodiments only schematically illustrate the basic concept of the present application, and the diagrams only show the components related to the present application, rather than being drawn according to the number, shape and size of the components in actual implementation. The shape, number and proportion of the components in actual implementation can be arbitrarily changed, and the layout of the components can be more complex.

[0041] The embodiment provides a stepped frame feeding device, please refer to Figures 3 to 6 , the stepped frame 2 has a heat dissipation perforation 200, please refer to Figure 7 , the stepped frame feeding device comprises a supporting plate 3 and a guide column 4, the upper surface of the supporting plate 3 is stepped, the stepped height of the upper surface of the supporting plate 3 is matched with the stepped height of the stepped frame 2; the guide column 4 is located at least on the upper surface of the supporting plate 3, the extension direction of the guide column 4 is perpendicular to the upper surface of the supporting plate 3, wherein the stepped frame 2 is placed behind the supporting plate 3, the guide column 4 penetrates the heat dissipation perforation 200, so as to limit the stepped frame 2.

[0042] As an example, please refer to Figure 8 and Figure 9 , the stepped height of the upper surface of the supporting plate 3 is matched with the stepped height of the stepped frame 2, that is, the stepped height of the upper surface of the supporting plate 3 is consistent with the stepped height of the stepped frame 2, and the bottommost stepped frame 2 can be completely attached to the supporting plate 3 after a plurality of the stepped frame 2 is stacked on the supporting plate 3, so as to ensure the stability of the “foundation” of the plurality of the stepped frame 2. Since the guide column 4 penetrates the heat dissipation perforation 200, the inclination of the second layer of the stepped frame 2 and the upper layers of the stepped frame 2 due to gravity is limited by the guide column 4, so as to ensure that the stepped frame 2 will not be inclined, bent and the like.

[0043] As an example, the number of the guide column 4 is not less than two, and each guide column 4 penetrates the heat dissipation perforation 200 at different positions. By arranging a plurality of the guide column 4, the supporting strength of the guide column 4 is improved; specifically, two guide columns 4 are arranged in the embodiment, and in other examples, three, four or more guide columns can be arranged, which are selected according to requirements.

[0044] As an example, in the embodiment, the heat dissipation perforation 200 is a circular hole, and the guide column 4 is a circular column. After the guide column 4 passes through the heat dissipation perforation 200, the distance between the hole wall of the heat dissipation perforation 200 and the side wall of the guide column 4 is in the range of 2mm-5mm, that is, the hole diameter of the heat dissipation perforation 200 is slightly larger than the diameter of the guide column 4, so as to avoid the step frame 2 from touching the guide column 4 during the process of the adsorption device adsorbing the upward and downward movement of the step frame 2, thereby causing the operation to be not smooth.

[0045] As an example, please refer to Figure 10 , which is an exploded view of the step frame loading device. The step frame loading device further comprises a guide column seat 5, which is located below the supporting plate 3. The bottom end of the guide column 4 penetrates the supporting plate 3 and is connected with the guide column seat 5. The guide column seat 5 is used for fixing the guide column 4. In the embodiment, the number of the guide column seat 5 is two.

[0046] As an example, the step frame loading device further comprises an adjusting seat 6, which is located below the guide column seat 5. The upper surface of the adjusting seat 6 is provided with a sliding groove. The guide column seat 5 is located in the sliding groove and can move in the sliding groove. When the guide column seat 5 moves in the sliding groove, the guide column 4 is driven to move, thereby changing the distance between the guide columns 4. Since the distance between the heat dissipation perforations 200 in the step frame 2 of different models will be different, the guide columns 4 can be applied to the step frame 2 of different models by changing the distance between the guide columns 4. When the guide column seat 5 drives the guide column 4 to the preset position, the guide column seat 5 is fixedly installed on the adjusting seat 6.

[0047] As an example, in another example, the guide column 4 can also be directly fixed to the supporting plate 3, which is not limited by the embodiment.

[0048] As an example, the step frame loading device further comprises a sheet frame 7, which comprises a first sheet frame and a second sheet frame. In the horizontal direction, the first sheet frame and the second sheet frame are separately arranged at the two ends of the supporting plate 3. In the vertical direction, the sheet frame 7 protrudes from the upper surface of the supporting plate 3. The first sheet frame and the second sheet frame cooperate to limit the horizontal displacement of the step frame 2, so as to ensure that the step frame 2 will not produce horizontal displacement. Specifically, in the embodiment, the number of the sheet frame 7 is two.

[0049] As an example, the slice rack seat 8 is located below the slice rack 7 to fix the slice rack 7, wherein the slice rack seat 8 can be moved relative to the tray 3 to drive the slice rack 7 to move, thereby changing the distance between the slice racks 7. Since the lengths of the step frames 7 of different models are different, the distance between the slice racks 7 is changed to horizontally limit the step frame 2 of different models. Specifically, the number of the slice rack seats 8 corresponds to the number of the slice racks 7, and the number of the slice rack seats 8 in the embodiment is two.

[0050] As an example, since the guide column 4 limits the step frame 2 through the heat dissipation perforation 200, the step frame 2 is prevented from tilting, so that the multiple step frames 2 are flat after being stacked on the tray 3 and can be sucked by the suction disc of the planar frame suction device when the suction disc moves up and down, the equipment compatibility of the suction device is improved, the planar frame and the step frame can be sucked, the equipment purchase cost is reduced, and the cost is reduced; and the planar frame welding product and the step frame welding product can be quickly switched, and the equipment production utilization rate is effectively improved.

[0051] As an example, the ratio between the height of the guide column 4 on the upper surface of the tray 3 and the thickness of the step frame 2 is not less than 5, that is, the guide column 4 can at least limit the step frame 2 stacked by 5 layers to prevent the step frame 5 from tilting. In the embodiment, the ratio between the height of the guide column 4 on the upper surface of the tray 3 and the thickness of the step frame 2 is not less than 20, that is, not less than 20 layers of the step frame 2 can be stacked above the tray 3 in the embodiment.

[0052] As an example, the ratio between the height of the slice rack 7 on the upper surface of the tray 3 and the thickness of the step frame 2 is not less than 5, that is, the slice rack 7 can at least limit the step frame 2 stacked by 5 layers in the horizontal direction. In the embodiment, the ratio between the height of the slice rack 7 on the upper surface of the tray 3 and the thickness of the step frame 2 is not less than 20.

[0053] In summary, in the step frame feeding device of the utility model, the guide column penetrates the heat dissipation perforation to limit the step frame, the step frame is prevented from tilting, so that the step frame can be sucked by the planar frame suction device, the equipment compatibility of the suction device is improved, the planar frame and the step frame can be sucked, the equipment purchase cost is reduced, and the cost is reduced; and the planar frame welding product and the step frame welding product can be quickly switched, and the equipment production utilization rate is effectively improved. Therefore, the utility model effectively overcomes various shortcomings in the prior art and has high industrial utilization value.

[0054] The above embodiments only exemplarily illustrate the principles and effects of the present application, and are not used to limit the present application. Any person skilled in the art can modify or change the above embodiments without departing from the spirit and scope of the present application. Therefore, all equivalent modifications or changes completed by those skilled in the art without departing from the spirit and technical thought disclosed by the present application should be covered by the claims of the present application.

Claims

1. A stepped frame feeding device, the stepped frame having heat dissipation perforations, characterized by, The feeding device comprises: a supporting plate, the upper surface of which is stepped, the height of the step of the upper surface of the supporting plate being matched with the height of the step of the stepped frame; a guide column, at least located on the upper surface of the supporting plate, the extension direction of the guide column being perpendicular to the upper surface of the supporting plate, wherein the stepped frame is placed behind the supporting plate, and the guide column passes through the heat dissipation perforation to limit the stepped frame.

2. The stepped frame loading device of claim 1, wherein: The number of the guide columns is not less than two, and each guide column passes through the heat dissipation perforation at a preset position.

3. The stepped frame loading apparatus of claim 2, wherein: The number of the guide columns is two.

4. The stepped frame loading apparatus of claim 1, wherein: After the guide column passes through the heat dissipation perforation, the distance between the hole wall of the heat dissipation perforation and the side wall of the guide column is in the range of 2mm-5mm.

5. The stepped frame loading apparatus of claim 1, wherein: A guide column seat is further included, which is located below the supporting plate, and the bottom end of the guide column penetrates the supporting plate and is connected with the guide column seat.

6. The stepped frame loading apparatus of claim 5, wherein: An adjusting seat is further included, which is located below the guide column seat, wherein the guide column seat is installed on the adjusting seat, and the guide column seat can move relative to the adjusting seat.

7. The stepped frame loading apparatus of claim 1, wherein: A sheet holder is further included, which comprises a first sheet holder and a second sheet holder, and in the horizontal direction, the first sheet holder and the second sheet holder are separately arranged at the two ends of the supporting plate, and in the vertical direction, the sheet holder protrudes from the upper surface of the supporting plate.

8. The stepped frame loading apparatus of claim 7, wherein: A sheet holder seat is further included, which is located below the sheet holder to fix the sheet holder, wherein the sheet holder seat can move relative to the supporting plate.

9. The stepped frame loading apparatus of claim 7, wherein: The number of the sheet holders is two.

10. The stepped frame loading apparatus of claim 1, wherein: The ratio of the height of the guide column on the upper surface of the supporting plate to the thickness of the stepped frame is not less than 5.

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