Feeding and discharging mechanism for removing flash of high-density integrated circuit lead frame

Abstract

The utility model relates to the technical field of feeding and discharging equipment, in particular to a feeding and discharging mechanism for removing flash of a lead frame of a high-density integrated circuit, which comprises a discharging conveying module for conveying a clip so as to take out the lead frame placed in the clip, the material receiving and conveying module is used for conveying an empty clip so as to receive the lead frame of which the flash is removed; the first supporting frame is further provided with a sheet ejecting mechanism used for being matched with the discharging conveying module to eject the lead frames in the clips one by one and further provided with a first conveying component used for conveying the lead frames ejected by the sheet ejecting mechanism to the next mechanism to be soaked and softened. The second supporting frame is provided with a second conveying component used for being matched with the material receiving and conveying module so as to convey the lead frames with the flash removed into the empty clips one by one. Through cooperation of the first conveying part, the sheet ejecting mechanism and the second conveying part, automatic material taking and receiving of the lead frame are achieved, and the flash removing efficiency of the lead frame is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of loading and unloading equipment, in particular to a loading and unloading mechanism for removing overflow materials from lead frames of high-density integrated circuits. Background Art

[0002] In the field of integrated circuit manufacturing, as a key carrier of chips, the processing quality and efficiency of lead frames directly affect the performance and cost of integrated circuits. Especially after the epoxy encapsulation processing of lead frames, there are often overflow materials (such as overflow glue) remaining on lead pins and heat sinks. If these overflow materials are not removed in time, it will seriously affect subsequent processes such as tin plating, and even cause product failure.

[0003] Currently, the process of removing overflow materials from lead frames mostly adopts a semi-automatic method. Compared with manual removal of overflow materials, although semi-automatic overflow material removal equipment improves efficiency to a certain extent, it cannot automatically pick and collect lead frames in a magazine (a tooling for loading lead frames), resulting in an inefficient and non-smooth overflow material removal process. Therefore, a loading and unloading mechanism for removing overflow materials from lead frames of high-density integrated circuits is provided to solve the above technical problems. Summary of the Utility Model

[0004] The purpose of the utility model is to provide a loading and unloading mechanism for removing overflow materials from lead frames of high-density integrated circuits to solve the technical problem that existing overflow material removal equipment cannot automatically pick and collect lead frames in a magazine.

[0005] To achieve the above purpose, the technical solution of the utility model is as follows:

[0006] A loading and unloading mechanism for removing overflow materials from lead frames of high-density integrated circuits includes a first support frame and a second support frame. An unloading conveying module for conveying a magazine to facilitate the removal of lead frames placed inside it is installed on the first support frame. A receiving conveying module for conveying an empty magazine to facilitate the collection of lead frames after removing overflow materials is installed on the second support frame. It further includes a bridging conveying line for transporting the empty magazine on the unloading conveying module to the receiving conveying module.

[0007] The first support frame is further installed with a top sheet mechanism for cooperating with the unloading conveying module to eject lead frames in the magazine one by one, and a first conveying component for conveying the lead frames ejected by the top sheet mechanism to the next mechanism for soaking and softening treatment. A second conveying component for cooperating with the receiving conveying module to convey the lead frames after removing overflow materials into an empty magazine one by one is installed on the second support frame.

[0008] The beneficial effects of the utility model are as follows: after placing a plurality of magazines loaded with lead frames on the unloading conveying module, the unloading conveying module is operated to convey the magazines loaded with lead frames one by one, and during the conveying process, the magazines are driven to move downward intermittently, and at the same time, the ejecting mechanism is operated to cooperate to eject the lead frames one by one, and to push them onto the first conveying component, and the lead frames are conveyed one by one to the next mechanism through the first conveying component to soak and soften the overflow (the overflow is removed after the soaking is completed), thereby realizing the automatic material taking process of the lead frames in the magazine; after the lead frames in the magazine are taken out, they are conveyed to the bridge conveying line, and then the bridge conveying line is operated to transport the empty magazines to the receiving conveying module, and then the receiving conveying module is operated to The empty magazines are transported one by one; the lead frames after the overflow is removed are placed one by one on the second transport component, and then the second transport component and the receiving transport module are operated at the same time. The second transport component transports the lead frames, and the receiving transport module drives the empty magazines to move upward intermittently to transport the lead frames after the overflow is removed into the magazines one by one, so as to complete the receiving process of the lead frames; after the magazines are filled with lead frames, they are transported to the designated location for the staff to take, and the magazines are transported with the cooperation of the discharging transport module, the receiving transport module and the bridge transport line. In the process of transportation, the first transport component, the top sheet mechanism and the second transport component cooperate to realize automatic material picking and receiving of the lead frames, thereby improving the efficiency of removing the overflow of the lead frames. BRIEF DESCRIPTION OF THE DRAWINGS

[0009] Figure 1 It is a three-dimensional structural schematic diagram of the utility model.

[0010] Figure 2 It is a structural schematic diagram of the magazine transportation part of the utility model.

[0011] Figure 3 It is a structural schematic diagram of the discharging and conveying module of the utility model.

[0012] Figure 4 This is a structural schematic diagram of the discharging and conveying module of the utility model from another perspective.

[0013] Figure 5 It is a structural schematic diagram of the first lifting component of the utility model.

[0014] Figure 6 It is a structural schematic diagram of the second material pushing component and the material receiving and conveying module of the utility model.

[0015] Figure 7 It is a structural schematic diagram of the first conveying component of the utility model.

[0016] Figure 8 It is a partial structural schematic diagram of the first conveying component of the utility model.

[0017] Figure 9 This is a schematic structural diagram of the top sheet mechanism of the present utility model.

[0018] The reference signs include:

[0019] 101, magazine; 21, first support frame; 22, second support frame; 3, discharging conveying module; 31, first support plate; 3101, discharging port; 32, first transporting component; 33, second transporting component; 34, first handling component; 341, first fixing plate; 342, lifting frame; 343, linear driving module; 344, L-shaped supporting plate; 345, first air cylinder; 346, pressing block; 347, mounting rack; 348, first servo motor; 349, lead screw; 35, first lifting component; 351, second fixing plate; 352, lifting seat; 353, second air cylinder; 354, roller; 36, first pushing component; 361, mounting block; 362, third air cylinder; 363, pushing block; 37, third fixing plate; 38, positioning plate; 39, fourth air cylinder; 310, aligning plate; 311, fifth air cylinder; 4, material receiving conveying module; 41, second support plate; 4101, feeding port; 42, third transporting component; 43, fourth transporting component; 44, second handling component; 45, second lifting component; 5, bridge conveying line; 51, second pushing component; 511, guiding frame; 512, slider; 513, sixth air cylinder; 514, clamping block; 515, seventh air cylinder; 52, guiding rail;

[0020] 6, first conveying component; 601, second conveying component; 61, third support plate; 62, fourth support plate; 63, first feeding module; 64, second feeding module; 641, first conveying wheel; 642, second conveying wheel; 643, conveying belt; 644, tension wheel; 65, transmission component; 66, driving component; 661, first mounting seat; 662, second servo motor; 663, spline shaft; 67, guiding block; 68, guiding groove; 69, pressing wheel component; 691, fixing block; 692, driven wheel; 693, pressing wheel; 694, driving wheel; 610, pushing component; 6101, second mounting seat; 6102, eighth air cylinder; 6103, connecting piece; 6104, guiding rod; 6105, pushing piece; 6106, spring; 6107, retaining rod; 7, top sheet mechanism; 71, third mounting seat; 72, guide rail; 73, sliding seat; 74, ejecting piece; 75, rotating shaft; 76, swinging piece; 77, connecting rod; 78, third servo motor; 79, gear; 710, toothed belt. Detailed implementation manners

[0021] The following describes in detail the loading and unloading mechanism for removing overflow materials of the high-density integrated circuit lead frame of the present utility model with reference to the accompanying drawings.

[0022] As Figure 1-2 shown, an embodiment of the loading and unloading mechanism for removing overflow materials from the lead frame of the high-density integrated circuit of the present utility model includes a first support frame 21 and a second support frame 22 for support. An unloading conveying module 3 for conveying a magazine 101 is installed on the first support frame 21 to facilitate the removal of the lead frame placed inside it. A loading conveying module 4 for conveying an empty magazine 101 is installed on the second support frame 22 to facilitate the collection of the lead frame after removing the overflow materials; It further includes a bridge conveying line 5 for transporting the empty magazine 101 on the unloading conveying module 3 to the loading conveying module 4. The initial end of the bridge conveying line 5 is connected to the unloading conveying module 3, and its end is connected to the loading conveying module 4. After placing a plurality of magazines 101 loaded with lead frames on the unloading conveying module 3, the unloading conveying module 3 is operated to convey and process each magazine 101 loaded with a lead frame one by one. During the conveying process, in order to remove the lead frames in the magazine 101 one by one, a top sheet mechanism 7 for pushing out the lead frames in the magazine 101 one by one is also installed on the first support frame 21. By operating the unloading conveying module 3 during the conveying of the magazine 101 filled with a lead frame, the top sheet mechanism 7 is operated to push out the lead frames one by one, so as to push them to the next mechanism for soaking and softening the overflow materials on the lead frame (after soaking, the overflow materials are removed), thus realizing the automatic material taking process for the lead frames in the magazine 101; After all the lead frames in the magazine 101 are taken out, it is conveyed to the bridge conveying line 5, then the bridge conveying line 5 is operated to transport the empty magazine 101 to the loading conveying module 4, and finally the loading conveying module 4 is operated to convey and process each empty magazine 101 one by one, and during the conveying process, the lead frames after removing the overflow materials are collected one by one. When the magazine 101 is filled with lead frames, it is conveyed to a designated position for the staff to take; With the cooperation of the unloading conveying module 3, the loading conveying module 4 and the bridge conveying line 5, the magazine 101 is conveyed, and during the conveying process, the lead frames are taken and collected. In addition, a second pushing component 51 for pushing the magazine 101 to a designated position on the loading conveying module 4 is provided at the end of the bridge conveying line 5. After the bridge conveying line 5 transports the empty magazine 101 to its end, the second pushing component 51 is operated to push the empty magazine 101 to a designated position on the loading conveying module 4, so as to improve the accuracy of the transportation of the magazine 101.

[0023] In order to convey the lead frame ejected by the top sheet mechanism 7 to the next mechanism for soaking and softening treatment, a first conveying component 6 is installed on the first support frame 21. The lead frame in the magazine 101 is ejected by the top sheet mechanism 7 and pushed onto the first conveying component 6, and then the first conveying component 6 conveys the lead frames one by one to the next mechanism. In addition, during the process of the material receiving and conveying module 4 conveying the empty magazine 101, in order to facilitate conveying the lead frames with overflow removed one by one into the empty magazine 101, a second conveying component 601 is installed on the second support frame 22, and the second conveying component 601 is used to receive the lead frames with overflow removed. After the overflow of the lead frames taken out from the magazine 101 is removed, they are placed on the second conveying component 601 one by one. Then, the second conveying component 601 and the material receiving and conveying module 4 are run simultaneously. The second conveying component 601 conveys the lead frames, and the material receiving and conveying module 4 drives the empty magazine 101 to move upward intermittently to convey the lead frames with overflow removed into the magazine 101 one by one, completing the material receiving process of the lead frames. Moreover, the first conveying component 6 and the second conveying component 601 have the same structure and opposite conveying directions. The first conveying component 6 is used to convey the lead frames to be deburred, and the second conveying component 601 is used to convey the lead frames with overflow removed.

[0024] Preferably, the discharging and conveying module 3 includes a pair of first support plates 31 arranged vertically and for supporting. On the first support plate 31, a first conveying member 32 and a second conveying member 33 are arranged up and down and for horizontally transporting the magazine 101. The conveying directions of the first conveying member 32 and the second conveying member 33 are opposite. On the first support plate 31, a first handling member 34 is further arranged for successively moving the magazines 101 on the first conveying member 32 to the second conveying member 33; after placing a plurality of magazines 101 loaded with lead frames on the first conveying member 32, operate the first conveying member 32 to transport the magazines 101 to the end of the first conveying member 32, and then operate the first handling member 34 to move the magazines 101 at the end of the first conveying member 32 downward to the initial end of the second conveying member 33. And during the handling process, the first handling member 34 will intermittently move downward with the magazine 101, and then cooperate with the top sheet mechanism 7 to successively eject the lead frames in the magazine 101, realizing the automatic feeding process of the lead frames; after the lead frames in the magazine 101 are taken out, place the empty magazine 101 at the initial end of the second conveying member 33, then complete the automatic handling process of the magazine 101, and then operate the second conveying member 33 to transport the empty magazine 101 to its end. However, in order to transport the magazine 101 at the end of the second conveying member 33 to the bridge conveying line 5, on the first support plate 31, there is a discharging port 3101 for the magazine 101 to pass through and connect to the initial end of the bridge conveying line 5, and a first lifting member 35 is further arranged for lifting the magazine 101 at the end of the second conveying member 33 to align with the discharging port 3101, and a first pushing member 36 is arranged for pushing the magazine 101 aligned with the discharging port 3101 onto the bridge conveying line 5. After operating the second conveying member 33 to transport the empty magazine 101 to its end, first operate the first lifting member 35 to lift the magazine 101 to align with the discharging port 3101, the bottom of the magazine 101 is separated from the second conveying member 33, then operate the first pushing member 36 to push the lifted magazine 101 onto the bridge conveying line 5, and finally operate the bridge conveying line 5 to transport it to the receiving and conveying module 4, completing the automatic transportation of the empty magazine 101.

[0025] Secondly, the discharging conveying module 3 has the same structure as the receiving conveying module 4, and operates in the opposite manner; specifically, the receiving conveying module 4 includes a pair of second support plates 41 arranged vertically and used for support, and the second support plate 41 is provided with a third transport component 42 and a fourth transport component 43 arranged up and down and used for horizontally transporting the magazine 101, and the conveying directions of the third transport component 42 and the fourth transport component 43 are opposite, and the second support plate 41 is also provided with a second conveying component 44 for moving the magazines 101 on the fourth transport component 43 one by one to the third transport component 42, and in addition, the second support plate 41 is also provided with a second lifting component 45 and a feed port 4101 connected to the end of the bridge transport line 5; the second lifting component 45 is used to receive the magazine 101 dragged by the second pushing component 51. When the clip 101 is transported to its rear end by running the bridge transport line 5, the second lifting component 45 is first operated to make the second lifting component 45 move upward to the height of receiving the clip 101, and then the second pushing component 51 is operated to push the clip 101 from the feed port 4101 to the second lifting component 45, and then the second lifting component 45 is operated to drive the clip 101 to move downward, so as to place it at the initial end of the fourth transport component 43, and the fourth transport component 43 is operated to transport the clip 101 to its rear end, and then the second conveying component 44 is operated to convey the clip 101 from the rear end of the fourth transport component 43 upward to the output end of the third transport component 42, and in the process of upward conveying, the lead frames after the overflow are collected one by one, so that the clip 101 conveyed to the third transport component 42 is filled with lead frames.

[0026] like Figures 3-5As shown in the figure, the first handling component 34 includes a first fixed plate 341 disposed on the first support plate 31. The first fixed plate 341 is located at the initial end of the second transportation component 33. A lifting frame 342 that can move up and down is provided on the first fixed plate 341. At the top end of the lifting frame 342, a linear drive module 343 is horizontally arranged and the length direction thereof is consistent with the transportation direction of the first transportation component 32 (or the second transportation component 33). By controlling the lifting frame 342 to move up and down on the first fixed plate 341, the linear drive module 343 can be driven to move up and down together. Among them, an L-shaped support plate 344 for supporting the magazine 101 is provided on the linear drive module 343. By operating the linear drive module 343, the L-shaped support plate 344 can be driven to move horizontally along the transportation direction of the first transportation component 32 (or the second transportation component 33). When it is necessary to transfer the magazine 101 placed on the first transportation component 32 to the second transportation component 33, first control the lifting frame 342 to move up a certain distance so that the support surface of the L-shaped support plate 344 is slightly lower than the top surface of the first transportation component 32. Then operate the linear drive module 343 to control the L-shaped support plate 344 to move in the direction close to the magazine 101, so as to move to the position where the support surface of the L-shaped support plate 344 is below the magazine 101 to be transferred. Then control the lifting frame 342 to move up a distance so that the L-shaped support plate 344 supports the magazine 101, causing the bottom of the magazine 101 to leave the top surface of the first transportation component 32. Subsequently, operate the linear drive module 343 to control the L-shaped support plate 344 to reset to the initial position, and control the lifting frame 342 to move down to move to the position where the support surface of the L-shaped support plate 344 is slightly higher than the top surface of the second transportation component 33. Operate the linear drive module 343 again to control the L-shaped support plate 344 to move in the direction close to the second transportation component 33, thereby placing the magazine 101 at the initial end of the transportation track of the second transportation component 33. Finally, control the lifting frame 342 to move down a distance, thereby placing the magazine 101 on the second transportation component 33, completing the automatic handling process of the magazine 101. In addition, the L-shaped support plate 344 drives the magazine 101 to move down intermittently, thereby successively pushing out the high-density integrated circuit lead frames in the magazine 101 to the next mechanism for soaking treatment, and automatically discharging the high-density integrated circuit lead frames.

[0027] In order to ensure that the magazine 101 can be stably placed on the L-shaped pallet 344 during the process of the L-shaped pallet 344 driving the magazine 101 to move downward, a first cylinder 345 with a telescopic rod arranged downward is installed on the top of the L-shaped pallet 344, and a pressing block 346 for pressing the magazine 101 placed on the L-shaped pallet 344 is fixedly arranged at the end of the telescopic rod of the first cylinder 345; when the L-shaped pallet 344 holds the magazine 101 so that its bottom is separated from the top surface of the first transportation component 32, the first cylinder 345 can be operated, and by controlling the pressing block 346 to move downward and cooperating with the L-shaped pallet 344 to press the magazine 101, the stability of transporting the magazine 101 is improved. In order to control the lifting frame 342 to move up and down on the first fixing plate 341, a mounting frame 347 is arranged on the first fixing plate 341, and a first servo motor 348 with an output shaft arranged upward is installed on the mounting frame 347. A vertically arranged lead screw 349 is installed on the output shaft of the first servo motor 348, and the lead screw 349 is threadedly connected to the bottom end of the lifting frame 342; by operating the first servo motor 348, the lead screw 349 can be driven to rotate, and under the action of the lead screw 349, the lifting frame 342 can be driven to move up and down to a specified height.

[0028] Furthermore, the first lifting component 35 includes a second fixing plate 351 arranged on the first support plate 31. The second fixing plate 351 is located at the end of the second transportation component 33. A lifting seat 352 that can move up and down and is located below the second transportation component 33 is arranged on the second fixing plate 351. A plurality of rollers 354 arranged horizontally and with their axial directions perpendicular to the transportation direction of the second transportation component 33 are arranged on the lifting seat 352; after transporting the magazine 101 placed at the end of the first transportation component 32 to the initial end of the second transportation component 33, the second transportation component 33 is operated. After the magazine 101 is transported directly above the lifting seat 352, it stops. Subsequently, the lifting seat 352 is controlled to move upward to support the magazine 101 through a plurality of rollers 354. At this time, the bottom of the magazine 101 is separated from the top of the second transportation component 33, and the magazine 101 is aligned with the discharge port 3101. Finally, the first pushing component 36 is operated to push the magazine 101 placed on the rollers 354 from the discharge port 3101 onto the bridge transportation line 5, and it is transported to the receiving and conveying module 4 through the bridge transportation line 5. Additionally, a second cylinder 353 with a telescopic rod arranged upward is installed on the second fixing plate 351, and the end of the telescopic rod of the second cylinder 353 is fixedly arranged with the bottom of the lifting seat 352; by operating the second cylinder 353, the lifting seat 352 can be controlled to move up and down.

[0029] Secondly, the first pusher component 36 includes a mounting block 361 disposed beside the first support plate 31. A third air cylinder 362 (model: DSNU-25--PPVA) horizontally arranged with its length direction perpendicular to the transportation direction of the second transportation component 33 is installed on the mounting block 361. The telescopic rod of the third air cylinder 362 is aligned with the discharge port 3101, and a push block 363 for pushing the magazine 101 on the roller 354 onto the overbridge transportation line 5 is provided at the end of the telescopic rod of the third air cylinder 362. After the magazine 101 is lifted by the lifting seat 352 to align with the discharge port 3101, the third air cylinder 362 can be operated to push the magazine 101 through the push block 363.

[0030] Preferably, after the lifting seat 352 lifts the magazine 101 upward, in order to enable the magazine 101 to accurately align with the discharge port 3101, a third fixing plate 37 is provided on the first support plate 31, and the third fixing plate 37 is provided with a positioning plate 38 for blocking the magazine 101 during transportation to align it with the discharge port 3101. When the magazine 101 is transported to the end of the second transportation component 33, it will be blocked by the positioning plate 38, and the blocked magazine 101 will be aligned with the discharge port 3101. In addition, the positioning plate 38 is horizontally movably arranged on the third fixing plate 37, and the moving direction of the positioning plate 38 is the same as the transportation direction of the second transportation component 33. A fourth air cylinder 39 for controlling the movement of the positioning plate 38 is also installed on the third fixing plate 37. The position of the positioning plate 38 is controlled by the fourth air cylinder 39 to block magazines 101 of different sizes to align with the discharge port 3101.

[0031] Additionally, a pair of alignment plates 310 are horizontally movably arranged on the same first support plate 31 and are respectively disposed beside the first transportation component 32 and the second transportation component 33. The moving direction of the alignment plates 310 is perpendicular to the transportation direction of the first transportation component 32 (or the second transportation component 33). By controlling the horizontal movement of the alignment plates 310 on the first support plate 31, a plurality of magazines 101 placed on the first transportation component 32 and the second transportation component 33 are respectively aligned, so that the magazines 101 are in the same straight line. A pair of fifth air cylinders 311 for respectively controlling the horizontal movement of different alignment plates 310 are also installed on the first support plate 31.

[0032] Such as Figure 6As shown, the second pusher component 51 includes a pair of guide frames 511 respectively arranged on both sides of the cross-bridge conveyor line 5. Among them, sliders 512 are slidably arranged on the guide frames 511 on both sides, and the sliding direction of the sliders 512 is consistent with the transportation direction of the cross-bridge conveyor line 5. Sixth cylinders 513 are installed on each slider 512, and the end parts of the expansion rods of the sixth cylinders 513 on both sides are arranged oppositely. Clamping blocks 514 for clamping the magazine 101 are arranged on the end parts of the expansion rods of each sixth cylinder 513. Operate the cross-bridge conveyor line 5 to transport the magazine 101 to the end of the cross-bridge conveyor line 5 and place it between the clamping blocks 514 on both sides. Then, operate the sixth cylinders 513 on both sides simultaneously to control the clamping blocks 514 on both sides to move towards each other, and clamp the magazine 101 placed at the end of the cross-bridge conveyor line 5 through the clamping blocks 514. Finally, control the slider 512 to slide on the guide frame 511 towards the direction close to the feed inlet 4101 to push the magazine 101 onto the second lifting component 45. By pushing the magazine 101 to the specified position, the transportation accuracy of the magazine 101 is improved.

[0033] In order to control the sliding of the slider 512 on the guide frame 511, seventh cylinders 515 (model: DSNU-25--PPVA) with the length direction consistent with the transportation direction of the cross-bridge conveyor line 5 are installed on each guide frame 511, and the end part of the expansion rod of the seventh cylinder 515 is fixedly arranged with the slider 512. By operating the seventh cylinders 515 on both sides simultaneously, the sliders 512 on both sides can be controlled to slide simultaneously. Additionally, guide rails 52 for limiting the magazine 101 during transportation are arranged on both sides of the transportation track of the cross-bridge conveyor line 5. Under the action of the guide rails 52, the magazine 101 always maintains linear transportation during the transportation process by the cross-bridge conveyor line 5.

[0034] As Figure 7As shown, the first conveying component 6 includes a third support plate 61 and a fourth support plate 62 erected on the first support frame 21. The third support plate 61 and the fourth support plate 62 are arranged in parallel, and on the sides of the third support plate 61 and the fourth support plate 62 close to each other, a first feeding module 63 and a second feeding module 64 for conveying the lead frame are respectively installed. The conveying tracks of the first feeding module 63 and the second feeding module 64 are the same and are connected by a transmission component 65. After the lead frame to be deburred is pushed to the initial ends of the second feeding modules 64 on both sides by the top piece mechanism 7, the second feeding modules 64 on both sides are driven to run simultaneously. Under the action of the transmission component 65, the second feeding module 64 and the first feeding module 63 run simultaneously to horizontally convey the lead frame, so as to convey it to the end of the first feeding modules 63 on both sides. In addition, a pushing component 610 for pushing the lead frame placed at the end of the first feeding module 63 to the next mechanism is installed between the third support plate 61 and the fourth support plate 62. After the lead frame is conveyed to the end of the first feeding modules 63 on both sides, it is pushed to the next mechanism by the pushing component 610 to soak and soften the burr (the burr is removed after soaking). Additionally, a driving component 66 for driving the second feeding modules 64 on both sides to run simultaneously is installed on the fourth support plate 62.

[0035] Preferably, in order to enable the top piece mechanism 7 to accurately push the lead frame to the initial end of the second feeding module 64, guide blocks 67 close to the initial end of the second feeding module 64 are provided on both the third support plate 61 and the fourth support plate 62, and guide grooves 68 for guiding the lead frame are provided on each guide block 67. During the process of pushing the lead frame to the second feeding module 64 by the top piece mechanism 7, it will pass through the guide groove 68, and the lead frame is guided by the guide groove 68 so that the lead frame is accurately pushed to the initial end of the second feeding module 64. In addition, a pair of pressure wheel components 69 are respectively provided on the third support plate 61 and the fourth support plate 62 above the initial end of the second feeding module 64 and above the initial end of the first feeding module 63. The pressure wheel components 69 are used to press the lead frame placed at the initial end of the second feeding module 64 and the lead frame placed at the end of the first feeding module 63. Under the action of the pressure wheel components 69, during the process of the first feeding module 63 and the second feeding module 64 conveying the lead frame, slipping is prevented from occurring.

[0036] As Figure 8As shown, the second feeding module 64 includes a first conveying wheel 641 and a second conveying wheel 642 that are sequentially rotatably arranged on the fourth support plate 62 (or the third support plate 61) along the conveying track of the lead frame. A conveying belt 643 for conveying the lead frame is wound around the first conveying wheel 641 and the second conveying wheel 642. A tension wheel 644 that is adjustable and used to tension the conveying belt 643 is also provided on the fourth support plate 62 (or the third support plate 61). By operating the driving component 66, the first conveying wheel 641 on the fourth support plate 62 and the first conveying wheel 641 on the third support plate 61 are simultaneously driven to rotate, thereby driving the conveying belt 643 to move, and realizing the conveying process of the lead frame.

[0037] Furthermore, the driving component 66 includes a first mounting seat 661 fixedly arranged on the fourth support plate 62. A second servo motor 662 with an axially horizontal arrangement is installed on the first mounting seat 661. A spline shaft 663 for driving the first conveying wheel 641 to rotate is provided on the output shaft of the second servo motor 662. The first conveying wheel 641 on the fourth support plate 62 and the first conveying wheel 641 on the third support plate 61 are both sleeved on the spline shaft 663. By operating the second servo motor 662, the spline shaft 663 can be driven to rotate, thereby driving the first conveying wheel 641 on the fourth support plate 62 and the first conveying wheel 641 on the third support plate 61 to rotate simultaneously. In addition, by providing the spline shaft 663, while the spline shaft 663 can drive the first conveying wheel 641 to rotate, it can also adjust the distance between the fourth support plate 62 and the third support plate 61. During adjustment, the first conveying wheel 641 can move on the spline shaft 663 to adapt to lead frames of different sizes and perform the conveying process on lead frames of different sizes.

[0038] The pressing wheel component 69 includes a fixed block 691 arranged on the fourth support plate 62 (or the third support plate 61). A pressing wheel 693 for pressing the lead frame placed at the initial end of the conveying belt 643 is rotatably arranged on the fixed block 691. After the lead frame is guided through the guiding block 67, it can pass through the space between the pressing wheel 693 and the conveying belt 643. By applying a downward pressure on the lead frame by the pressing wheel 693 and cooperating with the first conveying wheel 641 to drive the conveying belt 643 to move, the stable conveying of the lead frame is realized without slipping. In addition, in order to drive the pressing wheel 693 to rotate, a driven wheel 692 is provided at one end of the pressing wheel 693, and a driving wheel 694 meshing with the driven wheel 692 is fixedly arranged on the spline shaft 663. When the spline shaft 663 drives the first conveying wheel 641 to rotate, it also drives the driving wheel 694 to rotate. Through the transmission of the driven wheel 692, the pressing wheel 693 can be driven to rotate, and the rotation direction of the pressing wheel 693 is opposite to that of the first conveying wheel 641.

[0039] The pushing component 610 includes a second mounting seat 6101 fixedly arranged between the third support plate 61 and the fourth support plate 62. An eighth cylinder 6102 (model: DSNU-25--PPVA) with a length direction consistent with the conveying direction of the second feeding module 64 (or the first feeding module 63) is installed on the second mounting seat 6101. A connecting piece 6103 is provided at the end of the telescopic rod of the eighth cylinder 6102, and a pushing piece 6105 for pushing the lead frame placed at the end of the first feeding module 63 onto the next mechanism is provided on the connecting piece 6103. One end of the pushing piece 6105 is rotatably arranged with the connecting piece 6103, and the other end is the pushing end. The middle of the pushing piece 6105 is connected to the connecting piece 6103 through a spring 6106. A stop rod 6107 for blocking the pushing piece 6105 below the top surface of the first feeding module 63 is fixedly arranged between the third support plate 61 and the fourth support plate 62. When the pushing end of the pushing piece 6105 is lower than the top surface of the first feeding module 63, the spring 6106 is in a stretched state. During the process of conveying the lead frame through the second feeding module 64 and the first feeding module 63 and transporting it to the end of the first feeding module 63, it will pass above the pushing piece 6105. After the lead frame is transported to the end of the first feeding module 63, the eighth cylinder 6102 can be operated to push the connecting piece 6103 to move towards the lead frame, thereby driving the pushing piece 6105 to disengage from the stop rod 6107. After disengagement, under the action of the spring 6106 in a stretched state, the pushing piece 6105 will be pulled up, so that the pushing end of the pushing piece 6105 is higher than the top surface of the first feeding module 63 or flush with the top surface of the first feeding module 63. Subsequently, the lead frame placed at the end of the first feeding module 63 can be pushed to the next mechanism through the pushing end of the pushing piece 6105, and the overflow material on the lead frame is soaked and softened (the overflow material is removed after soaking). Additionally, a guide rod 6104 with a length direction consistent with the conveying direction of the second feeding module 64 (or the first feeding module 63) is provided on the connecting piece 6103, and the guide rod 6104 is slidably arranged with the second mounting seat 6101. Under the action of the guide rod 6104, the connecting piece 6103 can move more stably during horizontal movement.

[0040] As Figure 9As shown in the figure, the top sheet mechanism 7 includes a third mounting base 71 installed on the first support frame 21. Among them, a guide rail 72 with a length direction consistent with the conveying direction of the second feeding module 64 (or the first feeding module 63) is provided at the top of the third mounting base 71. A sliding seat 73 is slidably provided on the guide rail 72, and a pusher 74 for pushing the lead frames placed in the magazine 101 onto the second feeding module 64 one by one is installed on the sliding seat 73. During the process of holding the magazine 101 by the L-shaped support plate 344 and intermittently moving downward, the sliding seat 73 is controlled to slide on the guide rail 72 towards the direction close to the lead frame, and the lead frame is pushed onto the second feeding module 64 by the pusher 74 (after the L-shaped support plate 344 stops moving downward, the pusher 74 is then driven to move).

[0041] In order to control the movement of the pusher 74, a rotating shaft 75 with a vertical axis is rotatably installed on the third mounting base 71, and a swinging member 76 is installed at the top end of the rotating shaft 75. The swinging member 76 swings around the axis of the rotating shaft 75. The transmission connecting rod 77 is horizontally arranged, and one end of the connecting rod 77 is hinged to the sliding seat 73, and the other end is hinged to the swinging end of the swinging member 76. By driving the rotating shaft 75 to rotate, the swinging member 76 can be driven to swing. Under the action of the transmission of the connecting rod 77, a thrust and a pulling force are applied to the sliding seat 73, so as to control the pusher 74 to move towards or away from the lead frame.

[0042] Additionally, a third servo motor 78 with an output shaft arranged upward is installed on the third mounting base 71, and gears 79 are respectively provided on the output shaft of the third servo motor 78 and the bottom end of the rotating shaft 75, and a toothed belt 710 for transmission is wound around the two gears 79. When it is necessary to control the movement of the pusher 74, the third servo motor 78 is operated, and through the transmission of the gears 79 and the toothed belt 710, the rotating shaft 75 is driven to rotate, so as to automatically control the movement of the pusher 74.

[0043] In summary, it can be seen that the present utility model has the above-mentioned excellent characteristics, so that it can enhance the efficiency that has never been seen in the prior art during use and has practicality, becoming a product with extremely high practical value.

[0044] The above content is only the preferred embodiment of the present utility model. For those of ordinary skill in the art, according to the idea of the present utility model, there will be changes in the specific implementation manner and application scope. The content of this specification should not be construed as a limitation to the present utility model.

Claims

1. The loading and unloading mechanism for removing overflow materials of a high-density integrated circuit lead frame, characterized in that: It includes a first support frame (21) and a second support frame (22). An unloading conveyor module (3) for conveying the magazine (101) to facilitate the removal of the lead frame placed inside it is installed on the first support frame (21). A loading conveyor module (4) for conveying the empty magazine (101) to facilitate the collection of the lead frame after removing the overflow material is installed on the second support frame (22); It also includes a bridge conveyor line (5) for transporting the empty magazine (101) on the unloading conveyor module (3) to the loading conveyor module (4); The first support frame (21) is also equipped with a top sheet mechanism (7) for cooperating with the unloading conveyor module (3) to eject the lead frames in the magazine (101) one by one, and is also equipped with a first conveying component (6) for conveying the lead frames ejected by the top sheet mechanism (7) to the next mechanism for soaking and softening treatment; A second conveying component (601) for cooperating with the loading conveyor module (4) to convey the lead frames after removing the overflow material into the empty magazine (101) one by one is installed on the second support frame (22).

2. The loading and unloading mechanism for removing overflow material of the high-density integrated circuit lead frame according to claim 1, characterized in that: The unloading conveyor module (3) includes a first support plate (31). A first conveying component (32) and a second conveying component (33) which are arranged up and down and used for horizontally transporting the magazine (101) are installed on the first support plate (31). The conveying directions of the first conveying component (32) and the second conveying component (33) are opposite. A first handling component (34) for moving the magazines (101) on the first conveying component (32) to the second conveying component (33) one by one is also installed on the first support plate (31); An unloading port (3101) through which the magazine (101) passes and is connected to the initial end of the bridge conveyor line (5) is provided on the first support plate (31). A first lifting component (35) for lifting the magazine (101) at the end of the second conveying component (33) to align it with the unloading port (3101), and a first pushing component (36) for pushing the magazine (101) aligned with the unloading port (3101) onto the bridge conveyor line (5) are also installed.

3. The loading and unloading mechanism for removing overflow materials of the high-density integrated circuit lead frame according to claim 2, characterized in that: The first handling component (34) includes a first fixing plate (341) provided on the first support plate (31). The first fixing plate (341) is placed at the initial end of the second conveying component (33). A lifting frame (342) that can move up and down is provided on the first fixing plate (341). A linear drive module (343) that is horizontally arranged and whose length direction is the same as the conveying direction of the first conveying component (32) is installed at the top end of the lifting frame (342). An L-shaped support plate (344) for supporting the magazine (101) is provided on the linear drive module (343).

4. The loading and unloading mechanism for removing overflow material of the high-density integrated circuit lead frame according to claim 3, characterized in that: A first cylinder (345) with a telescopic rod arranged downward is installed on the top of the L-shaped support plate (344), and a pressing block (346) for pressing the clip (101) placed on the L-shaped support plate (344) is fixedly installed on the end of the telescopic rod of the first cylinder (345); a mounting frame (347) is provided on the first fixed plate (341), and a servo motor (348) with an output shaft arranged upward is installed on the mounting frame (347), and a vertically arranged screw rod (349) is installed on the output shaft of the servo motor (348), and the screw rod (349) is threadedly connected to the bottom end of the lifting frame (342).

5. The loading and unloading mechanism for removing overflow material of the high-density integrated circuit lead frame according to claim 2, wherein: The first lifting component (35) includes a second fixed plate (351) arranged on the first supporting plate (31), the second fixed plate (351) is placed at the rear end of the second transport component (33), a lifting seat (352) that can move up and down and is placed below the second transport component (33) is provided on the second fixed plate (351), and a plurality of rollers (354) that are horizontally arranged and axially perpendicular to the transport direction of the second transport component (33) are provided on the lifting seat (352); a second cylinder (353) with a telescopic rod arranged upward is installed on the second fixed plate (351), and the end of the telescopic rod of the second cylinder (353) is fixedly arranged with the bottom of the lifting seat (352).

6. The loading and unloading mechanism for high-density integrated circuit lead frame deburring according to claim 2, characterized in that: The first pushing component (36) includes a mounting block (361) arranged beside the first supporting plate (31), and a third cylinder (362) is mounted on the mounting block (361) and is arranged horizontally and has a length direction perpendicular to the transport direction of the second transport component (33). The telescopic rod of the third cylinder (362) is aligned with the discharge port (3101), and a pushing block (363) for pushing the clip (101) on the roller (354) to the bridge transport line (5) is provided at the end of the telescopic rod of the third cylinder (362).

7. The loading and unloading mechanism for overflow material removal of the high-density integrated circuit lead frame according to claim 1, characterized in that: The first conveying component (6) comprises a third support plate (61) and a fourth support plate (62) which are vertically and parallelly arranged on the first support frame (21); a first feeding module (63) and a second feeding module (64) for conveying the lead frame are both installed on the side of the third support plate (61) and the fourth support plate (62) close to each other; the conveying tracks of the first feeding module (63) and the second feeding module (64) are consistent, and they are connected by transmission through a transmission component (65); a pushing component (610) for pushing the lead frame placed at the rear end of the first feeding module (63) to the next mechanism is installed between the third support plate (61) and the fourth support plate (62); and a driving component (66) for driving the second feeding modules (64) on both sides to operate simultaneously is installed on the fourth support plate (62).

8. The loading and unloading mechanism for the overflow material removal of the high-density integrated circuit lead frame according to claim 7, characterized in that: A pair of pressing wheel components (69) are provided on the third support plate (61) and the fourth support plate (62), respectively disposed above the initial end of the second feeding module (64) and above the initial end of the first feeding module (63). The pressing wheel components (69) are used to press the lead frame disposed at the initial end of the second feeding module (64) and the lead frame disposed at the final end of the first feeding module (63).

9. The loading and unloading mechanism for high-density integrated circuit lead frame deburring according to claim 7, characterized in that: The pushing component (610) includes a second mounting base (6101) fixedly arranged between the third support plate (61) and the fourth support plate (62). An eighth cylinder (6102) with a length direction consistent with the conveying direction of the second feeding module (64) is installed on the second mounting base (6101). A connecting piece (6103) is provided at the end of the telescopic rod of the eighth cylinder (6102). A pushing piece (6105) for pushing the lead frame placed at the end of the first feeding module (63) onto the next mechanism is provided on the connecting piece (6103). One end of the pushing piece (6105) is rotatably arranged with the connecting piece (6103), and the other end is the pushing end. The middle part of the pushing piece (6105) is connected to the connecting piece (6103) through a spring (6106). A stop rod (6107) for stopping the pushing piece (6105) below the top surface of the first feeding module (63) is fixedly arranged between the third support plate (61) and the fourth support plate (62). When the pushing end of the pushing piece (6105) is lower than the top surface of the first feeding module (63), the spring (6106) is in a stretched state.

10. The loading and unloading mechanism for the high-density integrated circuit lead frame to remove overflow materials according to claim 7, characterized in that: The top sheet mechanism (7) includes a third mounting base (71) installed on the first support frame (21). A guide rail (72) with a length direction consistent with the conveying direction of the second feeding module (64) is provided at the top of the third mounting base (71). A sliding seat (73) is slidably arranged on the guide rail (72). A top piece (74) for pushing the lead frames placed in the magazine (101) onto the second feeding module (64) one by one is installed on the sliding seat (73). A rotating shaft (75) with an axial vertical arrangement is rotatably arranged on the third mounting base (71). A swinging piece (76) is installed at the top end of the rotating shaft (75). The swinging piece (76) swings around the axis of the rotating shaft (75). A transmission connecting rod (77) is horizontally arranged. One end of the connecting rod (77) is hinged to the sliding seat (73), and the other end is hinged to the swinging end of the swinging piece (76).

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