Lead frame handling device

Abstract

The present invention relates to a lead frame handling device, comprising a lifting device and a lifting fork. The lifting device comprises a pallet, which is arranged to be raised and lowered; the lifting fork is arranged to be raised and lowered; and the lifting fork is arranged to pass through the pallet when raised and lowered, rise to above the pallet, and then descend to below the pallet. The pallet is provided with a notch, and the lifting fork can pass through the pallet through the notch, making it easy to lift the lead frame out of the magazine. The lifting fork is arranged to be translatable, and can avoid the lifting of the pallet during use to avoid interference.

Description

Technical Field

[0001] The present invention relates to a lead frame transport device. Background Art

[0002] Lead frames are often used in the production of electronic components and parts. Different production lines involve lead frames of different sizes. During the processing, lead frames are often processed in batches. In some links, multiple lead frames are placed in a material box for transportation. Figure 5 A magazine 200 is shown, which features a receiving slot 201. Lead frames are sequentially arranged and placed within the slot 201, which has openings facing forward, upward, and downward. During transportation, the lead frames are placed within the magazine. However, removing the lead frames from the magazine and ensuring the stability of the magazine during removal remain technical challenges faced by those skilled in the art. Summary of the Invention

[0003] One of the purposes of the present invention is to overcome the deficiencies in the prior art and provide a lead frame transmission device that is applicable to lead frames of various sizes.

[0004] To achieve the above objectives, the present invention is implemented through the following technical solutions:

[0005] A lead frame transport device, characterized in that it comprises:

[0006] A lifting device, the lifting device comprising a supporting plate, the supporting plate being arranged to be raised and lowered;

[0007] The supporting fork is configured to be liftable; when the supporting fork is lifted or lowered, it can pass through the supporting plate and rise to above the supporting plate, and can also be lowered to below the supporting plate.

[0008] According to one embodiment of the present invention, the support plate is provided with a plurality of notches, and the support fork is provided with a plurality of support teeth, and the support teeth pass through the support plate from the notches during the lifting process.

[0009] According to one embodiment of the present invention, the lifting device further includes a first driving device, which directly drives the support plate or drives the support plate to rise and fall through a first transmission device.

[0010] According to one embodiment of the present invention, a clamping device is further included, wherein the clamping device includes two rows of rollers, the two rows of rollers are arranged at an interval, and the two rows of rollers clamp the material box from both sides; the rollers are rotatably arranged.

[0011] According to one embodiment of the present invention, a second driving device is further included, and the two rows of rollers can be arranged to move closer to and farther away from each other; the second driving device directly drives the two rows of rollers closer to and farther away from each other or drives the two rows of rollers closer to and farther away from each other through a second transmission device.

[0012] According to one embodiment of the present invention, it further includes a third driving device and a mounting seat, and the roller, the second driving device and the second transmission device are all arranged on the mounting seat; the third driving device directly drives the mounting seat to move or drives the mounting seat to move through the third transmission device.

[0013] According to one embodiment of the present invention, the vehicle further comprises a fourth driving device, which directly drives the supporting fork or drives the supporting fork through a fourth transmission device.

[0014] According to one embodiment of the present invention, the device further comprises a material box, wherein the material box is provided with openings facing forward, upward and downward.

[0015] According to one embodiment of the present invention, the supporting fork passes through the supporting plate during the lifting process and enters the material box from the downward opening of the material box.

[0016] According to one embodiment of the present invention, a fifth driving device is further included, and the supporting fork is arranged to be translatable; the fifth driving device directly drives the supporting fork to translate or drives the supporting fork to translate through a fifth transmission device.

[0017] The lead frame handling device of the present invention supports a magazine with a pallet. The pallet can be raised or lowered when the pallet is raised. Lifting the magazine facilitates the removal of lead frames from the magazine, making it easy to use. The pallet rises, lifting the magazine, allowing a suction device to pick up the lead frames within. When the lead frames are limited, a fork rises through the pallet and lifts the lead frames from the magazine upward, facilitating suction by the suction device and allowing for quick removal of the magazine. A clamping device is provided to hold the magazine in place during lifting and lowering, preventing it from tipping over and potentially spilling the lead frames. The clamping device includes rotatable rollers that roll against the magazine during movement, securing the magazine and preventing it from becoming stuck. The two rows of rollers can be moved closer and further apart, allowing the clamping device to accommodate magazines of varying sizes, making it convenient and flexible to use. A notch in the pallet allows the fork to pass through the pallet, making it easy to remove lead frames from the magazine. The support fork can be moved horizontally to avoid the lifting of the support plate and avoid interference during use. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a structural schematic diagram of the lead frame handling device in the present invention.

[0019] Figure 2 It is a structural schematic diagram of the clamping device and the lifting device in the present invention.

[0020] Figure 3 It is a schematic structural diagram of the clamping device in the present invention.

[0021] Figure 4 It is a schematic diagram of the supporting fork and its matching structure in the present invention.

[0022] Figure 5 It is a schematic diagram of the material box structure in the present invention. DETAILED DESCRIPTION

[0023] like Figures 1 to 5 As shown, the lead frame handling device 100 includes a mounting base 110, a lifting device 130, a clamping device 150, and a fork 170. The mounting base 110 is used to mount the lifting device 130 and the clamping device 150. The mounting base 110 is plate-shaped. In the example shown, a linear motor 111, a first guide rail 112, and a first slider 113 are also provided. The mounting base 110 is connected to the linear motor 111. The linear motor 111 drives the mounting base 110 to move. The first slider 113 is mounted on the first guide rail 112 and can slide along the first guide rail 112. The first slider 113 is connected to the mounting base 110. The crossbeam 111, the first guide rail 112, and the first slider 113 all serve as guides during the movement of the mounting base 110. According to the solution of the present invention, a third drive device is also provided, which is a linear motor 111. According to the solution of the present invention, the third drive device can also use other types of power devices to drive the mounting base 110 to move via a third transmission device (not shown). If a third transmission device is required, the type of the third transmission device can be determined according to actual needs, such as a synchronous belt, a screw nut, a transmission chain, etc.

[0024] The clamping device 150 is disposed on the upper portion of the mounting base 110. The clamping device 150 includes two interconnected mounting plates 151, two rows of rollers, and a second drive device 158. The mounting plates 151 are connected to the mounting base 110. The two mounting plates 151 are spaced apart. The outer mounting plate 151 is provided with a plurality of through slots 153. The two rows of rollers include a first roller 154 and a second roller 155. Both the first roller 154 and the second roller 155 are rotatable. There are two first rollers 154 arranged in a row. The first rollers 154 are fixed and do not need to be moved. There are two second rollers 155 arranged in a row. A second guide rail 156 and a second slider 157 are provided on the inner mounting plate 151. The second slider 157 is arranged on the second guide rail 156 and is movable along the second guide rail 156. The second guide rail 156 and the second slider 157 are located between the two mounting plates 151. The second roller 155 passes through the through slot 153 and is connected to the slider 157. The second roller 155 can move with the slider 157, approaching and moving away from the first roller 156. The second drive device 158 directly drives the second roller 155 to approach and move away from the first roller 154 or drives the second roller 155 to approach and move away from the first roller 154 through a second transmission device. As shown in the figure, the second drive device 158 is a cylinder. If a second transmission device is required, the type of the second transmission device can be determined according to actual needs, such as a synchronous belt, a screw nut, a transmission chain, etc. The second drive device 158 is connected to the slider 157 through a connecting plate. The connecting plate passes through the mounting plate 151. The second drive device 158 drives the slider 157 and the second roller 154 to move.

[0025] A lifting device 130 is provided at the lower part of the mounting base 110. The lifting device 130 includes a support plate 131. The support plate 131 is provided with a plurality of notches 132. The plurality of notches 131 are arranged in a straight line. A guide rod 133 is installed on the mounting base 110. One end of the support plate 131 is sleeved on the guide rod 133 and can slide along the guide rod 133. A first driving device 134 is also installed on the mounting base 110, and the support plate 131 is arranged to be raised and lowered. The first driving device 134 directly drives the support plate 131 or drives the support plate 131 to be raised and lowered through a first transmission device. In the example shown in the figure, the first driving device 134 is a cylinder, and the first driving device 134 directly drives the support plate 131 to be raised and lowered.

[0026] The support fork 170 is provided with a plurality of support teeth 171. The support teeth 171 are arranged opposite to the notch 132 on the support plate 131. The support fork 170 can be raised and lowered. When the support fork 170 is raised or lowered, the support teeth 171 pass through the support plate 131 from the notch 132, rise to the top of the support plate 131 or fall to the bottom of the support plate 131. The support fork 170 is installed on the base plate 173. The present invention is provided with a fourth drive device 172, and the fourth drive device 172 directly drives the support fork 171 to rise and fall or drives the support fork 171 to rise and fall through a fourth transmission device. In the example shown in the figure, the fourth drive device 172 is a linear motor. The base plate 173 is connected to the linear motor 172. If a fourth transmission device is required, the type of the fourth transmission device can be determined according to actual needs, such as a synchronous belt, a screw nut, a transmission chain, etc. The support fork 170 can also be set on the base plate 173 in a translational manner. A fifth drive device 174 is provided on the base plate 173; the fifth drive device 174 directly drives the support fork 170 or drives the support fork 170 to translate via a fifth transmission device. As shown in the figure, the fifth drive device 174 is a cylinder. If a fifth transmission device is required, the type of the fourth transmission device can be determined according to actual needs, such as a synchronous belt, a screw nut, a transmission chain, etc. A third guide rail 175 is provided on the base plate 173. A third slider 176 is provided on the third guide rail 175. The third slider 176 can slide along the third guide rail 175. The support fork 170 is connected to the third slider 176.

[0027] The lead frame transport device 100 of the present invention further includes a magazine 200 , which is provided with a receiving slot 201 , and the magazine 200 is provided with openings 202 facing forward, upward, and downward.

[0028] During the lifting process of the supporting fork 170 , the supporting teeth 171 pass through the supporting plate 131 and enter the receiving groove 201 of the material box through the downward opening 202 of the material box 200 , and lift the lead frame in the receiving groove 201 out of the receiving groove 201 .

[0029] The lead frame handling device of the present invention supports a magazine with a pallet. The pallet can be raised or lowered when the pallet is raised. Lifting the magazine facilitates the removal of lead frames from the magazine, making it easy to use. The pallet rises, lifting the magazine, allowing a suction device to pick up the lead frames within. When the lead frames are limited, a fork rises through the pallet and lifts the lead frames from the magazine upward, facilitating suction by the suction device and allowing for quick removal of the magazine. A clamping device is provided to hold the magazine in place during lifting and lowering, preventing it from tipping over and potentially spilling the lead frames. The clamping device includes rotatable rollers that roll against the magazine during movement, securing the magazine and preventing it from becoming stuck. The two rows of rollers can be moved closer and further apart, allowing the clamping device to accommodate magazines of varying sizes, making it convenient and flexible to use. A notch in the pallet allows the fork to pass through the pallet, making it easy to remove lead frames from the magazine. The support fork can be moved horizontally to avoid the lifting of the support plate and avoid interference during use.

[0030] The above are only preferred embodiments of the present invention and are not intended to limit the scope of protection of the present invention. Any modifications, equivalent replacements or improvements within the spirit of the present invention are included in the scope of the claims of the present invention.

Claims

1. A lead frame handling device, wherein the lead frame is located in a material box, characterized in that: include: A lifting device, comprising a supporting plate, the supporting plate being used to support the material box, the supporting plate being arranged to be raised or lowered when the supporting plate is raised or lowered; The supporting fork is arranged to be raised and lowered; when the supporting fork is raised and lowered, it can pass through the supporting plate and rise to the top of the supporting plate and can fall to the bottom of the supporting plate. The support plate is provided with a plurality of notches, and the support fork is provided with a plurality of teeth. During the lifting process, the teeth pass through the support plate from the notches and enter the material box from the downward opening of the material box to lift the lead frame in the material box upward. The clamping device includes two rows of rollers, which are arranged at intervals and clamp the material box from both sides; the rollers are rotatably arranged and roll and rub against the material box during the movement of the material box.

2. The lead frame transport device according to claim 1, wherein: The lifting device also includes a first driving device, which directly drives the supporting plate or drives the supporting plate to move up and down through a first transmission device.

3. The lead frame transport device according to claim 1, wherein: It also includes a second driving device, which can move the two rows of rollers closer to and farther away from each other; the second driving device directly drives the two rows of rollers closer to and farther away from each other or drives the two rows of rollers closer to and farther away from each other through a second transmission device.

4. The lead frame transport device according to claim 3, wherein: It also includes a third driving device and a mounting seat, and the roller, the second driving device and the second transmission device are all arranged on the mounting seat; the third driving device directly drives the mounting seat to move or drives the mounting seat to move through the third transmission device.

5. The lead frame transport device according to claim 1, wherein: It also includes a fourth driving device, which directly drives the supporting fork or drives the supporting fork through a fourth transmission device.

6. The lead frame transport device according to claim 1, wherein The material box is provided with openings facing forward, upward and downward.

7. The lead frame transport device according to claim 1, wherein: It also includes a fifth driving device, and the supporting fork is arranged to be able to move in translation; the fifth driving device directly drives the supporting fork to move in translation or drives the supporting fork to move in translation through a fifth transmission device.

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