Adjustable material receiving box for electroplating production line of high-density integrated circuit lead frame

Abstract

The utility model relates to the technical field of lead frame material receiving, in particular to an adjustable material receiving box of a high-density integrated circuit lead frame electroplating production line, which comprises a support plate and a clip limiting frame arranged on the support plate, and the clip limiting frame is used for placing material receiving clips for stacking lead frames. The cartridge clip limiting frame comprises two first limiting plates for limiting the two sides of the material receiving cartridge clip in the length direction and two second limiting plates for limiting the two sides of the material receiving cartridge clip in the width direction; the supporting plate is further provided with an electric length adjusting assembly used for adjusting the distance between the two first limiting plates and an electric width adjusting assembly used for adjusting the distance between the two second limiting plates. The efficiency of electric adjustment is higher than that of manual adjustment, and the adjustment accuracy is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of lead frame material collection, in particular to an adjustable material collection box of a high-density integrated circuit lead frame electroplating production line. Background Art

[0002] As an important carrier in the semiconductor integrated chip packaging process, the lead frame is an important bridge connecting the internal circuit and the external lead. It is also a key structural component that uses bonding materials (gold wire, aluminum wire, copper wire) to achieve electrical connection between the internal circuit lead end of the chip and the external lead to form an electrical circuit. It acts as a bridge connecting to the external wires. Lead frames are required in most semiconductor integrated blocks and are an important basic material in the electronic information industry.

[0003] Continuous electroplating is mainly suitable for some continuous strip coils or wires, such as the above-mentioned integrated circuit lead frame. The lead frame needs to be collected after the electroplating is completed; the Chinese utility model with patent number CN202122870341.2 discloses a lead frame stacking device, which includes: a bottom plate, a middle plate, an upper plate, a left plate, a right plate, a column and a ball screw; the two ends of the column are respectively connected to the bottom plate and the middle plate; the two ends of the ball screw are respectively installed on the bottom plate and the middle plate; a screw nut passes through the ball screw; a lifting plate is fixed on the screw nut; the lifting plate is connected to the support plate through a support rod; a motor is installed on the bottom plate, and the motor is connected to a synchronous wheel; the synchronous wheel drives the ball screw to rotate synchronously; the two ends of the left plate and the right plate are respectively connected to the middle plate and the upper plate; a clip is provided in the space surrounded by the middle plate, the upper plate, the left plate and the right plate; a support plate hole connected to the bottom of the clip is provided on the middle plate; a material trough connected to the top of the clip is provided in the upper plate.

[0004] Then the applicant developed a flip-type material receiving box mechanism for a lead frame device as disclosed in the Chinese patent document with publication number CN219216785U, comprising a bottom support plate and a top support plate slidably mounted on the bottom support plate, the top support plate being equipped with two clip stations, the clip stations comprising a mounting frame and a swing frame rotatably mounted in the mounting frame, the swing frame being pluggable with a receiving clip for stacking the lead frame; when unloading is required, the top support plate slides along the bottom support plate, so that the receiving clip in one of the clip stations is unloaded and stacked, after loading is completed, the top support plate slides along the bottom support plate, so that the receiving clip in the other clip station continues to receive; the swing frame on which the receiving clip is mounted rotates as a whole, so that the top openings of the receiving clip and the swing frame are both facing outward, so that the receiving clip can be taken out and replaced, the operation is simpler, and the stacking of the lead frame can be observed, so that the unloading of the lead frame can be observed.

[0005] Another example is the transversely movable material receiving box mechanism of the lead frame equipment disclosed in the Chinese patent document with publication number CN219216815U, which includes a bottom support plate, the bottom support plate is provided with a guide member and a top support plate along the length direction, the top support plate is provided with more than two clip stations, the clip stations are detachably provided with a receiving clip, a pad for supporting the received lead frame and an adjustment component for driving the pad to adjust longitudinally are provided in the receiving clip, and the bottom support plate is provided with a transverse driving member for driving the top support plate to move back and forth along the guide member; when the lead frame is unloaded, after the receiving clip in one of the clip stations is filled, the top support plate is moved transversely so that the receiving clip in another clip station is aligned with the lead frame unloading position to continue to receive the material, at this time, the filled receiving clip can be replaced with an empty receiving clip, and after the receiving clip in the clip station being unloaded is filled, the lead frame is continuously unloaded without stopping.

[0006] However, when the width and length of the lead frame to be collected are different, it is necessary to adjust the size specifications of the clip station where the collected clip is placed. The above existing technology requires manual adjustment, and the efficiency needs to be improved. Summary of the invention

[0007] In view of the above technical problems in the prior art, the utility model provides an adjustable material receiving box for a high-density integrated circuit lead frame electroplating production line.

[0008] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0009] An adjustable material receiving box for a high-density integrated circuit lead frame electroplating production line is provided, comprising a support plate and a clip limit frame arranged on the support plate, wherein the clip limit frame is used to place a receiving clip for stacking lead frames, and is characterized in that: the clip limit frame comprises two first limit plates on both sides of the receiving clip for limiting the length direction and two second limit plates on both sides of the receiving clip for limiting the width direction; the support plate is also provided with an electric length adjustment component for adjusting the distance between the two first limit plates and an electric width adjustment component for adjusting the distance between the two second limit plates.

[0010] As an optional solution, a first guide rail is provided on the top of the support plate, and two first limit plates are provided with a first slide seat which slides with the first guide rail; the electric length adjustment component includes a length adjustment motor and a length adjustment screw, the length adjustment screw is arranged in parallel with the first guide rail, the two first limit plates are respectively threadedly connected to the length adjustment screw, and the two first limit plates are arranged opposite to the threads of the length adjustment screw, so that when the length adjustment motor drives the length adjustment screw to rotate, the two first limit plates are driven to move in opposite directions.

[0011] As an optional solution, mounting plates are provided on the sides of the two first limiting plates facing each other, the mounting plates are slidably provided with a sliding rod perpendicular to the first guide rail, and the second limiting plates are fixed to the sliding rod.

[0012] As an optional solution, each first limiting plate corresponds to two second limiting plates, wherein one second limiting plate is fixed to the slide rod as a fixed plate, and the other second limiting plate is fixed to the first limiting plate as a movable plate.

[0013] As an optional solution, the electric width adjustment assembly includes a width adjustment motor and a width adjustment screw rod. The width adjustment screw rod is arranged perpendicular to the length adjustment screw rod. The end of the width adjustment screw rod is connected to the output shaft of the width adjustment motor. The width adjustment screw rod is threadedly connected to a connecting seat, and a connecting rod is fixed to the connecting seat. The two ends of the connecting rod are respectively connected to two second limit plates serving as moving plates.

[0014] As an optional solution, the electric length adjustment assembly also includes a steering rod, which is arranged in parallel with the width adjustment screw rod. The steering rod and the length adjustment screw rod are transmitted via helical gears. The output shaft of the length adjustment motor is connected to the end of the steering rod. The length adjustment motor and the width adjustment motor are located on the same side of the support plate.

[0015] As an optional solution, there are two groups of magazine limit frames, and the electric width adjustment components and electric length adjustment components of the two groups of magazine limit frames are arranged in linkage.

[0016] As an optional solution, it also includes a base plate, a transverse slide rail is provided on the top of the base plate, the transverse slide rail is arranged in parallel with the first guide rail, and a transverse slide seat is provided at the bottom of the support plate that slides in cooperation with the transverse slide rail so that the support plate can be slidably mounted on the base plate; the base plate is provided with a transverse motor and a transverse screw rod, the transverse screw rod is arranged in parallel with the length adjustment screw rod, the support plate is connected to the transverse screw rod via a threaded seat, and the output shaft of the transverse motor is connected to the transverse screw rod.

[0017] As an optional solution, the bottom plate is a long strip-shaped plate body, both ends of which are connected to suspension rods, and the lower end of the suspension rod is fixedly connected to the bottom plate.

[0018] As an optional solution, the first limit plate is provided with a clearance hole, and a supporting cylinder is fixed to the opposite sides of the two first limit plates. The piston rod of the supporting cylinder is fixed with a magazine support plate, which extends through the clearance hole to the opposite sides of the two first limit plates for supporting the magazine.

[0019] Beneficial effects of the utility model:

[0020] The utility model discloses an adjustable material receiving box for a high-density integrated circuit lead frame electroplating production line. When in use, the distance between the two first limit plates is adjusted according to the size of the material receiving clip by an electric length adjustment component, and the distance between the two second limit plates is adjusted by an electric width adjustment component, so that the two first limit plates abut against the two opposite sides of the material receiving clip in the length direction, and the two second limit plates abut against the two opposite sides of the material receiving clip in the width direction. The electric adjustment is more efficient than manual adjustment, and the adjustment accuracy is improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic diagram of the structure of the adjustable material receiving box in the embodiment.

[0022] Figure 2 for Figure 1 Magnified view of the circled area.

[0023] Figure 3 It is a structural schematic diagram of the magazine limiting frame in the embodiment.

[0024] Figure 4 It is a schematic diagram of the adjustable material receiving box combined with the material receiving clip in the embodiment.

[0025] Figure 5 for Figure 4 Schematic diagram from another perspective.

[0026] Reference numerals:

[0027] Support plate 21;

[0028] The magazine limit frame 22, the first limit plate 221, the clearance hole 2211, the second limit plate 222, the mounting plate 223, the slide bar 224, the supporting cylinder 225, and the magazine supporting plate 226;

[0029] Receiving magazine 23;

[0030] A first guide rail 24 and a first slide seat 25;

[0031] Electric length adjustment component 26, length adjustment screw rod 261, length adjustment motor mounting seat 262, steering rod 263, bevel gear 264;

[0032] Electric width adjustment assembly 27, width adjustment screw rod 271, width adjustment motor mounting seat 272, connecting seat 273, connecting rod 274, synchronous pulley assembly 275;

[0033] Bottom plate 28, transverse slide rail 281, transverse slide seat 282, transverse motor 283, transverse screw rod 284;

[0034] Suspension rod 29. DETAILED DESCRIPTION

[0035] The present invention is described in detail below in conjunction with specific embodiments and drawings.

[0036] The adjustable material receiving box of this embodiment is as follows: Figures 1 to 5 As shown, it includes a support plate 21 and two groups of clip limiting frames 22 arranged on the support plate 21. Each group of clip limiting frames 22 corresponds to a receiving clip 23 for stacking lead frames.

[0037] The following describes each group of magazine limit frames 22: it includes two first limit plates 221 and four second limit plates 222, two first guide rails 24 are arranged on the top of the support plate 21, and the two first limit plates 221 are provided with first slide seats 25 that are slidably matched with the first guide rails 24. Each first limit plate 221 corresponds to two second limit plates 222, one of which can move relative to the first limit plate 221, and the other second limit plate 222 is fixed to the first limit plate 221, and the distance between the two second limit plates 222 is adjusted to adapt to the receiving magazines 23 of different widths.

[0038] The support plate 21 is also provided with an electric length adjustment component 26 for adjusting the distance between the two first limit plates 221 and an electric width adjustment component 27 for adjusting the distance between the two second limit plates 222. Specifically, the electric length adjustment component 26 includes a length adjustment motor and a length adjustment screw rod 261. The length adjustment motor is not shown in the figure, and only the length adjustment motor mounting seat 262 is schematically shown. The length adjustment screw rod 261 is arranged in parallel with the first guide rail 24, and the four first limit plates 221 of the two groups of clip limit frames 22 are respectively threadedly connected to the length adjustment screw rod 261, and the two first limit plates 221 of the same group of clip limit frames 22 are arranged opposite to the threads of the length adjustment screw rod 261, so that when the length adjustment motor drives the length adjustment screw rod 261 to rotate, the two first limit plates 221 of each group of clip limit frames 22 are driven to move in opposite directions to adapt to the receiving clips 23 of different lengths.

[0039] In this embodiment, the electric length adjustment component 26 also includes a steering rod 263, which is arranged perpendicular to the length adjustment screw rod 261. The steering rod 263 and the length adjustment screw rod 261 are transmitted via a bevel gear 264, and the output shaft of the length adjustment motor is connected to the end of the steering rod 263.

[0040] In this embodiment, mounting plates 223 are provided on the facing sides of the two first limiting plates 221, and the mounting plates 223 are slidably provided with a sliding rod 224 perpendicular to the first guide rail 24, one of the second limiting plates 222 is fixed to the sliding rod 224 as a fixed plate, and the other second limiting plate 222 is fixed to the first limiting plate 221 as a movable plate.

[0041] In this embodiment, the electric width adjustment assembly 27 includes a width adjustment motor and a width adjustment screw 271. The width adjustment motor is not shown in the figure, and only the width adjustment motor mounting seat 272 is shown. The length adjustment motor and the width adjustment motor are located on the same side of the support plate 21. The width adjustment screw 271 is arranged perpendicular to the length adjustment screw 261, and the end of the width adjustment screw 271 is connected to the output shaft of the width adjustment motor. The width adjustment screw 271 is threadedly connected to a connecting seat 273, and the connecting seat 273 is fixed with a connecting rod 274. The two ends of the connecting rod 274 are respectively connected to two second limit plates 222 as moving plates.

[0042] In this embodiment, the electric width adjustment components 27 of the two groups of clip limit frames 22 are linked, that is, a synchronous pulley assembly 275 is provided between the output shaft of the width adjustment motor and the width adjustment screw rod 271, and the second limit plates 222 of the two groups of clip limit frames 22 are adjusted synchronously.

[0043] In this embodiment, a bottom plate 28 is also included. A lateral sliding rail 281 is arranged on the top of the bottom plate 28. The lateral sliding rail 281 is arranged in parallel with the first guide rail 24. A lateral sliding seat 282 that slidably matches the lateral sliding rail 281 is arranged at the bottom of the support plate 21, so that the support plate 21 can be slidably mounted on the bottom plate 28. The bottom plate 28 is provided with a lateral motor 283 and a lateral screw rod 284. The lateral screw rod 284 is arranged in parallel with the lengthening screw rod 261. The support plate 21 is connected to the lateral screw rod 284 via a threaded seat. The output shaft of the lateral motor 283 is connected to the lateral screw rod 284. It is used to drive the support plate 21 and the magazine limit frame 22 thereon to shift, so that one group of magazine limit frames 22 is in the loading position, and the other group of magazine limit frames 22 is in the standby position.

[0044] In this embodiment, the bottom plate 28 is a long strip-shaped plate, and the two ends thereof are connected with suspension rods 29, and the lower ends of the suspension rods 29 are fixedly connected to the bottom plate 28. It is convenient to fix the entire material receiving box below the device.

[0045] In this embodiment, the first limiting plate 221 is provided with a clearance hole 2211, and a supporting cylinder 225 is fixed to the opposite sides of the two first limiting plates 221. The piston rod of the supporting cylinder 225 is fixed with a magazine clip plate 226. The magazine clip plate 226 passes through the clearance hole 2211 and extends to the opposite sides of the two first limiting plates 221, so as to support the material receiving magazine 23 and to lift and lower the material receiving magazine 23.

[0046] In the description of the present invention, unless otherwise clearly specified and limited, the terms "installed", "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.

[0047] The standard parts used in the utility model can all be purchased from the market, and special-shaped parts can be customized according to the instructions and the drawings. The specific connection methods of each part adopt the conventional means such as mature bolts, rivets, welding, etc. in the existing technology. The machinery, parts and equipment all adopt the conventional models in the existing technology, and the circuit connection adopts the conventional connection method in the existing technology, which will not be described in detail here.

[0048] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

[0049] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model, rather than to limit the protection scope of the utility model. Although the utility model has been described in detail with reference to the preferred embodiments, ordinary technicians in this field should understand that the technical solution of the utility model can be modified or replaced by equivalents without departing from the essence and scope of the technical solution of the utility model.

Claims

1. An adjustable material receiving box for a high-density integrated circuit lead frame electroplating production line comprises a support plate and a clip limiting frame arranged on the support plate, wherein the clip limiting frame is used to place a receiving clip for stacking lead frames, and is characterized by: The magazine limit frame includes two first limit plates on both sides of the magazine for limiting the length direction and two second limit plates on both sides of the magazine for limiting the width direction; the support plate is also provided with an electric length adjustment component for adjusting the distance between the two first limit plates and an electric width adjustment component for adjusting the distance between the two second limit plates.

2. The adjustable material receiving box of the high-density integrated circuit lead frame electroplating production line according to claim 1 is characterized by: A first guide rail is provided on the top of the support plate, and two first limit plates are provided with a first slide seat which slides with the first guide rail; the electric length adjustment component includes a length adjustment motor and a length adjustment screw rod, the length adjustment screw rod and the first guide rail are arranged in parallel, the two first limit plates are respectively threadedly connected to the length adjustment screw rod, and the two first limit plates are arranged opposite to the threads of the length adjustment screw rod, so that when the length adjustment motor drives the length adjustment screw rod to rotate, the two first limit plates are driven to move in opposite directions.

3. The adjustable material receiving box of the high-density integrated circuit lead frame electroplating production line according to claim 2 is characterized by: The sides of the two first limiting plates facing each other are provided with mounting plates, the mounting plates are slidably provided with a sliding rod perpendicular to the first guide rail, and the second limiting plate is fixed to the sliding rod.

4. The adjustable material receiving box of the high-density integrated circuit lead frame electroplating production line according to claim 3 is characterized by: Each first limiting plate corresponds to two second limiting plates, one of which is fixed to the slide bar as a fixed plate, and the other second limiting plate is fixed to the first limiting plate as a movable plate.

5. The adjustable material receiving box of the high-density integrated circuit lead frame electroplating production line according to claim 4 is characterized by: The electric width adjustment component includes a width adjustment motor and a width adjustment screw rod. The width adjustment screw rod is arranged perpendicular to the length adjustment screw rod. The end of the width adjustment screw rod is connected to the output shaft of the width adjustment motor. The width adjustment screw rod is threadedly connected to a connecting seat, and a connecting rod is fixed to the connecting seat. The two ends of the connecting rod are respectively connected to two second limit plates serving as moving plates.

6. The adjustable material receiving box of the high-density integrated circuit lead frame electroplating production line according to claim 5 is characterized by: The electric length adjustment component also includes a steering rod, which is arranged in parallel with the width adjustment screw rod. The steering rod and the length adjustment screw rod are driven by helical gears. The output shaft of the length adjustment motor is connected to the end of the steering rod. The length adjustment motor and the width adjustment motor are located on the same side of the support plate.

7. The adjustable material receiving box of the high-density integrated circuit lead frame electroplating production line according to claim 1 is characterized by: There are two groups of magazine limit frames, and the electric width adjustment components and the electric length adjustment components of the two groups of magazine limit frames are linked.

8. The adjustable material receiving box of the high-density integrated circuit lead frame electroplating production line according to claim 7 is characterized by: It also includes a base plate, a transverse slide rail is arranged on the top of the base plate, the transverse slide rail is arranged in parallel with the first guide rail, and a transverse slide seat is arranged at the bottom of the support plate for sliding cooperation with the transverse slide rail so that the support plate can be slidably mounted on the base plate; the base plate is provided with a transverse motor and a transverse screw rod, the transverse screw rod is arranged in parallel with the length adjustment screw rod, the support plate is connected to the transverse screw rod via a threaded seat, and the output shaft of the transverse motor is connected to the transverse screw rod.

9. The adjustable material receiving box of the high-density integrated circuit lead frame electroplating production line according to claim 8 is characterized by: The bottom plate is a long strip-shaped plate body, both ends of which are connected with suspension rods, and the lower end of the suspension rod is fixedly connected to the bottom plate.

10. The adjustable material receiving box of the high-density integrated circuit lead frame electroplating production line according to claim 1 is characterized by: The first limit plate is provided with a clearance hole, and a supporting cylinder is fixed on the opposite sides of the two first limit plates. The piston rod of the supporting cylinder is fixed with a magazine support plate, which extends through the clearance hole to the opposite sides of the two first limit plates for supporting the receiving magazine.

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