CN206194721U - Automatic trigger down of lead frame - Google Patents

Abstract

The utility model provides an automatic lead frame unloading machine, which includes a downstream plate moving device, which is divided into a downstream conveying section located upstream and a downstream plate moving section located downstream; in the downstream plate moving section, a plurality of rotating The conveying rollers are arranged in parallel, and a lifting and moving board conveying device is arranged between the conveying rollers, and a liftable moving board stop device is provided on one side of the position corresponding to the multiple stations, and a movable board moving stop device is installed downstream of the multiple conveying rollers. There are liftable conveying baffles corresponding to the stations. By increasing the width of the downstream plate-moving device to be consistent with the working machine, and setting a plurality of parallel conveying stations on the downstream plate-moving device, in conjunction with the plate-moving stop device and the lifting plate-moving conveying device, the material, that is, the lead frame, can be placed on the bottom The traveling plate device is transported and allocated along the width direction of the working machine, thereby overcoming the defects in the prior art, making full use of the working capacity of the working machine, and improving the working efficiency of the working machine.

Description

Lead frame automatic unloading machine

technical field

The utility model relates to the field of auxiliary equipment of electronic production equipment, in particular to an automatic unloading machine for a lead frame.

Background technique

Lead frame is the chip carrier of integrated circuits and an important basic material in the electronic information industry. The upper and lower plate machines are used in the production line of lead frames, and their function is to realize the distribution and collection of lead frames. Currently commonly used upper and lower plate machines are respectively arranged on both sides of the working machine (such as cleaning equipment, heating equipment), and the plate moving machine is arranged between the upper and lower plate machines and the working machine respectively. When working, the loading machine pushes the lead frame out of the material box, and transfers it to the working machine through the moving machine. The printed circuit board is stored in the material box, so as to enter the next processing link. The existing upper and lower board machines and board moving machines have the following problems in terms of structural composition and working mode: the board moving machine can only realize one-way transmission along the direction of the work line, and can only accommodate one piece of lead frame along the machine width direction, causing work The number of lead frames processed by the machine is limited, wasting the working capacity of the machine. If multiple lead frames are to be transported simultaneously in the width direction of the machine, multiple board moving machines are required to be arranged side by side, which greatly increases the equipment cost, and the combined installation of the board moving machines also occupies a large area. After searching, there is no better solution in the prior art.

Contents of the invention

The technical problem to be solved by the utility model is to provide an automatic lead frame unloading machine, which can realize unloading along the width direction of the working machine, make full use of the processing capacity of the working machine, improve the processing efficiency of the working machine, and realize multi-piece lead frames Parallel conveying and processing, and the conveying position of the lead frame can be automatically controlled, and the increased cost is not high.

In order to solve the above technical problems, the technical solution adopted by the utility model is: an automatic lead frame unloading machine, which includes a downstream plate moving device, and the downstream plate moving device is divided into a downstream conveying section located in the upstream and a downstream moving section located in the downstream board section;

In the downstream conveying section, a plurality of rotating guide plate conveying rollers are arranged in parallel, and a liftable conveying baffle corresponding to the station is provided downstream of the conveying waiting section;

In the downstream shifting section, a plurality of rotating conveying rollers are arranged in parallel, and a lifting and shifting conveying device for laterally conveying workpieces is provided between the conveying rollers, and a The liftable plate moving stop device is provided with a liftable conveying baffle corresponding to the station downstream of the plurality of conveying rollers.

In a preferred solution, a liftable conveying baffle is provided upstream of the downstream plate moving device.

In a preferred solution, a second conveying track is provided downstream of the downstream plate moving device, and a lower plate device is provided downstream of the second conveying track.

In a preferred solution, in the lower plate device, the top of the lower plate support frame is provided with a lower plate traverse belt for placing the material box, the bottom of the lower plate support frame is provided with a lower plate guide rod, and the lower plate guide rod is connected to the bottom of the lower plate support frame. The guide rail of the lower plate is slidingly connected, and the bottom of the support frame of the lower plate is also provided with a lifting drive device.

In a preferred solution, the lifting drive device is a hydraulic cylinder, the cylinder body of the hydraulic cylinder is fixedly installed, and the piston rod of the hydraulic cylinder is connected to the support frame of the lower plate.

Or the lifting driving device is a rack-and-pinion mechanism, the rack is fixedly connected to the support frame of the lower plate, the gear and the rack are meshed and connected, and the gear is connected to the driving device;

Or the lifting drive device is a screw nut mechanism, the lower plate screw is fixedly connected with the lower plate support frame, the drive nut is installed between the two bearings, the outer wall of the drive nut is provided with teeth, and the drive device passes through gears or synchronous belts. Connect with the drive nut and drive the drive nut to rotate.

In a preferred solution, a photoelectric sensor for detecting the position of the material in the magazine is also provided.

In a preferred solution, in the described moving plate stop device, a plurality of moving plate stop rods are vertically fixed on the moving plate stop frame, and the bottom of the moving plate stop frame is connected with the moving plate stop cylinder or the rack and pinion. Institutional connections.

In a preferred solution, in the conveying baffle, the conveying baffle is fixedly connected to the baffle elevating cylinder.

In a preferred solution, in the described lifting and moving plate conveying device, a plurality of plate moving seats are provided on the plate moving frame, and a plurality of pulleys are rotatably mounted on the plate moving seats, and the plate moving is passed between the pulleys in the same column. Tape connection, multiple pulleys on one side are fixedly connected by a connecting shaft, and the connecting shaft is connected to the moving plate motor through a transmission device;

The bottom of the plate-moving frame is connected with the lifting drive device.

In the preferred solution, photoelectric sensors corresponding to the stations are arranged upstream and downstream of the downstream conveying section; downstream of the downstream plate moving section.

The utility model provides a lead frame automatic unloading machine, by increasing the width of the downstream plate moving device to be consistent with the working machine, and setting a plurality of parallel conveying stations on the downstream plate moving device, and matching the set moving plate stop position The device and the lifting and shifting plate conveying device conveyed along the width direction of the working machine can make the material, that is, the lead frame, be transported and allocated along the width direction of the working machine on the downstream moving plate device, thereby overcoming the defects in the prior art and being able to fully Use the working capacity of the working machine to improve the working efficiency of the working machine. Moreover, the combined structure of the utility model is compact, the occupied area is small, and the space is saved. Compared with configuring two board moving machines, the equipment cost is saved. The automatic loading machine and unloading machine of the lead frame of the utility model can be sold separately or as a set.

Description of drawings

Below in conjunction with accompanying drawing and embodiment the utility model is further described:

Fig. 1 is the schematic diagram of the facade principle structure of the middle and lower trigger of the present invention.

Fig. 2 is a schematic diagram of the elevation principle structure of the loading machine.

Fig. 3 is a schematic diagram of the principle structure of the push plate device.

Fig. 4 is a schematic diagram of the cross-sectional structure of the push plate device.

Fig. 5 is a top structural schematic diagram of the lateral movement belt of the middle and lower plate of the utility model.

Fig. 6 is a top structural schematic diagram of the middle and downstream plate moving device of the present invention.

Fig. 7 is a structural schematic diagram of the mid-moving plate stop device of the present invention.

Fig. 8 is a view rotated 90° along the direction A of Fig. 9 .

Fig. 9 is a schematic top view of the lifting and moving plate conveying device in the present invention.

Fig. 10 is a three-dimensional schematic diagram of the overall structure of the utility model, and the working machine is not shown in the figure.

In the figure: lower plate device, lower plate traverse belt, lower plate traverse motor, lower plate support frame, lower plate guide rod, lower plate guide rail, lower plate frame, lower plate screw, lower plate conical bearing, drive nut , the lower tapered bearing of the lower plate, the lower plate motor, the downstream plate moving device, the upstream plate moving device, the plate moving section, the conveying waiting section, the downstream conveying section, the downstream plate moving section, the conveying roller, the lifting plate conveying device, the plate moving seat , pulley, moving plate tape, moving plate frame, moving plate motor, moving plate lifting guide rod, moving plate lifting slide rail, moving plate lifting cylinder, connecting shaft, moving plate stop device, moving plate stop rod, moving plate Stop frame, moving plate stop cylinder, moving plate stop guide rod, conveying baffle, baffle lifting cylinder, stop lifting cylinder, guide plate conveying roller, guide plate, moving plate section motor, conveying section motor, pushing plate device , push rod with teeth, push rod teeth, push rod limit part, push plate gear, push rod guide rail, guide rail limit groove, guide rail cover plate, push rod support, downstream plate shifting device, first conveying track, material box, The second conveying track, unloading device, working machine, photoelectric sensor, lead frame.

detailed description

The orientation definition in this example is subject to the orientation in Figure 1 and Figure 2 , for example, up, down, left, right or similar orientation terms all refer to the orientation in Figure 1 and Figure 2 . The upstream and downstream are based on the movement of the material, that is, the lead frame. Compared with Figure 1 and Figure 2, the upstream is on the left and the downstream is on the right.

Example 1:

The utility model is a complete set of equipment, including an automatic loading machine and an automatic unloading machine. For the convenience of understanding, the automatic loading machine is also explained. same.

As shown in Fig. 2 and 10, a lead frame automatic board loading machine, the downstream of the loading device is provided with a first conveying track 5, and the downstream of the first conveying track 5 is provided with an upstream board moving device 2'; the first conveying track 5 It is a one-way single-station conveying channel, and a belt conveying device is arranged in the first conveying track 5 .

The upstream plate moving device 2' is divided into an upstream plate moving section 21 and a downstream conveying waiting section 22; wherein the plate moving section 21 can transport the lead frame 11 along the width direction and the length direction of the working machine 9.

In the described board shifting section 21, a plurality of rotating conveying rollers 201 are arranged in parallel, the length of the conveying rollers 201 is roughly equivalent to the width of the working machine 9, and a lifting and shifting board conveying device 202 is provided between the conveying rollers 201 for The lead frame 11 is traversed along the width direction of the working machine 9 when raised, and the conveying roller 201 is not affected when the conveying device 202 is lowered. On one side of the position corresponding to a plurality of stations, there is a liftable plate-moving stop device 203, which is used to limit the position of the traverse lead frame 11, and on the downstream of the plurality of conveying rollers 201, there is a station corresponding to the station. The liftable conveying baffle 204 is used to block the lead frame 11 conveyed along the upstream and downstream directions; referring to FIG. 6 , each conveying roller is connected to each other through a transmission device, such as a pulley and a belt transmission mechanism, and a sprocket and a chain transmission mechanism. One of the conveying rollers 201 is also connected to the motor 208 of the plate moving section through a transmission device, and the motor preferably adopts a servo motor, an adjustable speed motor or a stepping motor. In Fig. 6, it is directly connected with the motor 208 of the plate-moving section, and the motor 208 of the plate-moving section may be decelerated by a reducer and then connected with the conveying roller 201 through a transmission device.

In the conveying waiting section 22, a plurality of rotating conveying rollers 201 and guide plate conveying rollers 207 are arranged in parallel, and the rotational driving of the conveying rollers 201 and guide plate conveying rollers 207 is the same as that in the plate moving section 21. The guide plate conveying rollers 207 On both sides of the position corresponding to the station, there are guide plates 2071. The guide plates 2071 are circular, fixed on the guide plate conveying roller 207, and rotate with the rotation of the guide plate conveying roller 207. This structure is used for To limit the axial position of the material on the conveying roller, a liftable conveying baffle corresponding to the station is provided downstream of the conveying waiting section 22 .

The preferred scheme is as shown in Figures 2 and 3, a push plate device 3 is also provided on the upstream side of the upper plate device, and the structure of the push plate device 3 is that the cylinder drives the push rod to expand and contract; that is, the front end of the cylinder is provided with a push rod, The lead frame 11 is pushed into the first delivery track 5 by a push rod. The structure of the cylinder is not shown in the figure

Or the push plate device 3 structure as described in Fig. 3, 4 is that the toothed push rod 31 is supported on the push rod guide rail 33, and the toothed push rod 31 is provided with a push rod tooth 311, and the preferred push rod tooth 311 is located on the belt. On the top of the tooth push rod 31, the push rod teeth 311 are meshed with the push pedal gear 32, and the push pedal gear 32 is connected with the driving device. The preferred driving device is a servo motor with a reducer. A protruding push rod limiter 312 is provided on the toothed push rod 31 , and a guide rail limit groove 331 is provided on the push rod guide rail 33 to limit the rotation of the toothed push rod 31 . The top of the push rod guide rail 33 is also provided with a guide rail cover plate 332 for limiting the radial position of the toothed push rod 31 . Preferably, a fork-shaped structure is provided at the downstream end of the toothed push rod 31 to prevent slippage when pushing the lead frame 11 .

The rotation of the push plate gear 32 can drive the toothed push rod 31 to expand and contract, thereby pushing the lead frames 11 stacked in the magazine 6 into the first conveying track 5 .

The preferred scheme is as shown in Fig. 2. In the described upper plate device, the top of the upper plate support frame is provided with an upper plate traversing belt for placing the material box 6, and the structure of the upper plate traversing belt is shown in Fig. 5 , two side-by-side traversing belts, and a servo motor with a reducer is arranged between the traversing belts. Preferably, the servo motor adopts a through-shaft structure, and the two ends of the through-shaft are connected to the two traversing belts respectively, so that the structure Reduce the volume of the upper plate traversing belt, at least two upper plate traversing belts are used to transport multiple material boxes 6 horizontally, and a photoelectric sensor is installed at the position of the material box in the working position to sense whether there is material, and the material The position is also convenient for the materials to be aligned with the first conveying track 5 sequentially. There are multi-layer tracks from top to bottom in the material box 6, such as 10-20 layers of tracks, and the lead frame 11 is placed on the tracks of each layer. The bottom of the upper plate support frame is provided with an upper plate guide rod, and the upper plate guide rod is slidingly connected with the upper plate guide rail, and the bottom of the upper plate support frame is also provided with a lifting drive device. The structure of the upper plate device and the lower plate device is the same, so that the support frame of the upper plate is lowered or raised successively, and each time a layer is raised or lowered, the push plate device pushes the lead frame 11 of the current layer to the first conveyor. Track 5, repeat the above steps, so that the push plate device 3 pushes out the lead frame 11 in the magazine 6 layer by layer. When a material box is emptied, the upper plate traversing belt 101 moves to align the newly filled material box with the first conveying track 5, and at the same time, the lifting drive device at the bottom acts to position the height of the material box at the initial position, such as the top or the very bottom.

In a preferred solution, the lifting drive device is a hydraulic cylinder, the cylinder body of which is fixedly installed, and the piston rod of the hydraulic cylinder is connected to the support frame 103 of the upper plate.

Or the lifting driving device is a rack and pinion mechanism, the rack is fixedly connected to the upper plate support frame 103, the gear is engaged with the rack, and the gear is connected to the driving device;

Or the lifting drive device is a screw nut mechanism, the upper plate screw rod 107 is fixedly connected with the upper plate support frame 103, the drive nut 109 is installed between the two bearings, and the outer wall of the drive nut 109 is provided with teeth, and the drive device passes through A gear or a synchronous belt is connected with the drive nut 109 and drives the drive nut 109 to rotate. With this structure, more precise step control can be obtained, and self-locking can be realized. In this example, the lifting drive device with this structure is preferably used.

The preferred solution is as shown in Figures 1 and 7. In the described plate-moving stop device 203, a plurality of plate-moving stop rods 2031 are vertically fixed on the plate-moving stop frame 2032, and the bottom of the plate-moving stop frame 2032 is in contact with the plate stop frame 2032. The plate moving stop cylinder 2033 or the rack and pinion mechanism are connected; this structure, as shown in FIG. 6 , is used to limit the lateral position of the lead frame 11 when it is raised, and does not affect the lateral movement of the lead frame 11 when it is lowered. In order to avoid interference, generally the plate moving stop rod 2031 has a relatively long length, so as to keep the position of the lifting plate moving conveying device 202 out of the way.

In the conveying baffle 204 , the conveying baffle 204 is fixedly connected with the baffle elevating cylinder 205 . This structure is used to block the lead frame 11 along the upstream and downstream, so that the lead frame 11 is in a waiting state.

In the preferred schemes 8 and 9, in the described lifting and moving plate conveying device 202, a plurality of plate moving seats 2021 are provided on the plate moving frame 2024, and a plurality of pulleys 2022 are rotatably installed on the plate moving seats 2021, in the same row The belt pulleys 2022 are connected by the plate-moving tape 2023, and the multiple pulleys 2022 on one side are fixedly connected by the connecting shaft 2029, and the connecting shaft 2029 is connected with the plate-moving motor 2025 through a transmission device; driven by the plate-moving motor 2025 The connecting shaft 2029 rotates, thereby driving each board-moving adhesive tape 2023 to rotate.

The bottom of the plate-moving frame 2024 is connected with the lifting drive device, and the lifting drive device preferably adopts an air cylinder. With this structure, when the lifting and moving board conveying device 202 is raised, the rotating board moving adhesive tape 2023 drives the lead frame 11 on it to move laterally until it is stopped by the board moving stop device 203 .

In a preferred solution, a photoelectric sensor 10 corresponding to the station is provided downstream of the board loading device, downstream of the board moving section 21 and downstream of the conveying waiting section 22 . Preferably, a photoelectric sensor 10 is also provided upstream and downstream of the first conveying track 5

There are rollers and lifting support bases under the cabinets of the pushing plate device 3, the first conveying track 5 and the upstream moving plate device 2, which can facilitate the combination and mobile configuration of each equipment. After the configuration is completed, the support base is raised for leveling and position.

During use, the corresponding parameters are set on the control panel, and the upper plate traverses the belt action to transport a material box 6 on it to the first conveying track 5 for alignment, and the alignment process is controlled by the photoelectric sensor 10 . The push plate device 3 moves to extend the toothed push rod 31, pushes out a piece of lead frame 11 in the material box 6, enters the first conveying track 5, and then the upper plate supporting frame descends one level, when the first conveying track 5 After the lead frame 11 is emptied, the push plate device 3 moves again to push the lead frame 11 into the first conveying track 5 . After the first conveying track 5 obtains the signal that the plate-moving section 21 station is empty, the first conveying track 5 continues to rotate and transports the lead frame 11 to the rotating conveying roller 201 until it is lifted by the conveying stop downstream of the plate-moving section 21 Plate 204 is blocked, and at this time, the lifting and shifting conveying device 202 and the shifting stop device 203 are raised, wherein the moving tape 2023 of the lifting and shifting conveying device 202 is higher than the upper surface of the conveying roller 201, and the lead frame 11 moves laterally until Blocked by the plate-moving stop device 203, it is now aligned with a station of the plate-moving section 21, as shown in FIG. On the roller 201, the conveying roller 201 continues to rotate at this time, and the lead frame 11 is blocked by the conveying baffle 204 raised by the station, until the control device receives the emptying of the next station, the conveying baffle 204 of the station is lowered , the conveying baffle 204 enters the next station, and is further accurately adjusted by the guide plate conveying roller 207 by the guide plate conveying roller 207 in the conveying waiting section 22, and is on standby at this station until after receiving the completion order of the working machine 9, the control The device controls the conveying baffle 204 of the station to descend, and the lead frame 11 enters the working machine for cleaning or heating. This completes the automated loading operation. The state of whether each station is empty is detected by the photoelectric sensor of each station, and transmitted to the control device. The control device described here is PLC.

Example 2:

As shown in Figures 1, 6, and 10, a lead frame automatic unloading machine includes a downstream board shifting device 2. In a preferred solution, a second conveying track 7 is provided downstream of the downstream shifting board device 2, and the second conveying track The downstream of 7 is provided with lower plate device 1.

The downstream plate moving device 2 is divided into a downstream conveying section 23 located upstream and a downstream plate moving section 24 located downstream;

In the downstream shifting section 24, a plurality of rotating conveying rollers 201 are arranged in parallel, and a lifting and shifting conveying device 202 for laterally conveying workpieces is provided between the conveying rollers 201. One side is provided with a liftable plate moving stop device 203, and a liftable conveying baffle 204 corresponding to the station is provided downstream of a plurality of conveying rollers 201;

In the downstream conveying section 23 , a plurality of rotating guide plate conveying rollers 207 are arranged in parallel, and a liftable conveying baffle corresponding to the station is provided downstream of the conveying waiting section 22 .

In a preferred solution, a liftable conveying baffle 204 is provided upstream of the downstream plate moving device 2 .

During use, the material coming from working machine 9, such as lead frame 11, enters the downstream conveying section 23 and waits when it detects that the downstream station is empty. The conveying baffle 204 between 23 and the downstream plate moving section 24 is lowered, and the material enters the downstream plate moving section 24. If the station is aligned with the second conveying track 7, it will directly enter the second conveying track 7, and then the material will be sent to the In the material box 6; if not aligned, the lifting and shifting conveying device 202 will rise to move the material horizontally to align with the second conveying track 7, and the moving plate stop device 203 will raise the lateral limit material, and the material will be input to the The second conveying track 7 is sent into the feed box.

The preferred solution is as shown in Fig. 1, in the described lower board device 1, the top of the lower board support frame 103 is provided with a lower board traverse belt 101 for placing the material box 6, and the bottom of the lower board support frame 103 is provided with a lower board The guide rod 104, the lower board guide rod 104 is slidingly connected with the lower board guide rail 105, and the bottom of the lower board support frame 103 is also provided with a lifting drive device. With this structure, the height of the hollow track for making the material box 6 is aligned with the second conveying track 7 , so that the material is sent into by the second conveying track 7 . Lifting and aligning and sending in successively fills a material box, and when a material box is full, the lower plate traversing belt 101 sends away the full material box and sends an empty material box.

In a preferred solution, the lifting drive device is a hydraulic cylinder, the cylinder body of the hydraulic cylinder is fixedly installed, and the piston rod of the hydraulic cylinder is connected to the lower plate support frame 103 .

Or the lifting driving device is a rack and pinion mechanism, the rack is fixedly connected to the lower plate support frame 103, the gear is engaged with the rack, and the gear is connected to the driving device;

Or the described lifting drive device is a lead screw nut mechanism, as shown in Figure 1, the lower plate screw rod 107 is fixedly connected with the lower plate support frame 103, and the drive nut 109 is installed between the two bearings, on the outer wall of the drive nut 109 There are teeth, and the driving device is connected with the transmission nut 109 through a gear or a synchronous belt, and drives the transmission nut 109 to rotate. With this structure, more precise step control can be obtained, and self-locking can be realized. In this example, the lifting drive device with this structure is preferably used.

In a preferred solution, a photoelectric sensor 10 for detecting the position of the material in the magazine 6 is also provided. With this structure, it is convenient for the control device to obtain the data of whether there is material on the track of the layer in the material box. When there is no material, the material box does not need to be lifted. If there is material, the lifting drive device acts to make the material box rise or fall one level.

The preferred solution is shown in Fig. 7, in the described plate-moving stop device 203, a plurality of plate-moving stop rods 2031 are vertically fixed on the plate-moving stop frame 2032, and the bottom of the plate-moving stop frame 2032 is in contact with the plate-moving stop frame 2032. The stop cylinder 2033 or the rack and pinion mechanism are connected. This structure, as shown in FIG. 6 , is used to limit the lateral position of the lead frame 11 when it is raised, but does not affect the lateral movement of the lead frame 11 when it is lowered. In order to avoid interference, generally the board moving stop rod 2031 has a relatively long length, and is located below the lifting and moving board conveying device 202 to keep the position of the lifting and moving board conveying device 202 out of the way. The plate moving stop device 203 can adjust the lateral position.

A preferred solution is shown in FIG. 1 , in the conveying baffle 204 , the conveying baffle 204 is fixedly connected with the baffle lifting cylinder 205 . With this structure, when the transport barrier 204 is raised, it is used to block the lead frame 11 along the upstream and downstream, so that the lead frame 11 is in a waiting state. At this time, both the conveying roller 201 and the guide plate conveying roller 207 are in a rotating state, and the lead frame 11 cannot move forward.

The preferred solution is as shown in Figures 8 and 9. In the lifting and moving plate conveying device 202 described above, a plurality of plate moving seats 2021 are provided on the plate moving frame 2024, and a plurality of pulleys 2022 are rotatably mounted on the plate moving seats 2021. , the pulleys 2022 in the same column are connected by the plate-moving tape 2023, and the multiple pulleys 2022 on one side are fixedly connected by the connecting shaft 2029. The connecting shaft 2029 is connected with the plate-moving motor 2025 through the transmission device, and the plate-moving motor 2025 drives the connecting shaft 2029 to rotate, thereby driving the rotation of each plate-moving adhesive tape 2023;

The bottom of the plate-moving frame 2024 is connected with the lifting drive device. The lifting drive preferably adopts an air cylinder. With this structure, when the lifting and moving board conveying device 202 is raised, the rotating board moving adhesive tape 2023 drives the lead frame 11 on it to move laterally until it is stopped by the board moving stop device 203 .

In a preferred solution, a photoelectric sensor 10 corresponding to a station is provided upstream and downstream of the downstream conveying section 23 and downstream of the downstream plate moving section 24 . It is used to detect whether there is material in the current station. Thereby automatic control is carried out by the control device.

There are rollers and lifting support bases under the lower panel machine cabinet, which can easily combine and move the configuration of each device. After the configuration is completed, the support bases are raised to level and position.

During use, as shown in Fig. 1 and Fig. 6, the lead frame 11 output by the working machine 9 enters the guide plate conveying roller 207 of the downstream conveying section 23, and when the control device receives the signal that the next station is emptied, one of the downstream conveying sections 23 The conveying baffle 204 of the lower position is lowered, and the lead frame 11 enters the downstream plate moving section 24 until it is blocked by the conveying baffle 204 of the downstream plate moving section 24. At this time, the plate moving stop device 203 of the downstream plate moving section 24 and the lifting and moving plate The conveying device 202 rises, and the lifting and shifting conveying device 202 conveys the lead frame 11 to align with the second conveying track 7. When the control device receives that the second conveying track 7 is empty, the conveying baffle 204 of this station is lowered, and the lead frame 11 is aligned with the second conveying track 7. The frame 11 is conveyed to the second conveying track 7 and waits. At this time, the conveying baffle 204 of another station of the downstream conveying section 23 is lowered, and the lead frame 11 is conveyed to the downstream plate moving section 24 . The conveying baffle 204 downstream of the working machine 9 is lowered, and the working machine 9 continues to convey the lead frame 11 to the downstream conveying section 23 . The upper plate supporting frame 103 of the lower plate device 1 descends, so that the empty track of the magazine 6 is aligned with the second delivery track 7, and the second delivery track 7 rotates, and the lead frame 11 on it is sent into the magazine 6 . Then the upper plate support frame 103 descends again, so that the empty track of the material box 6 is aligned with the second conveying track 7, until the material box 6 is completely filled, the upper plate traverses the belt 101 action, and the new material box 6 is aligned with the second conveying track 7. Track 7.

The above-mentioned embodiments are only preferred technical solutions of the present utility model, and should not be regarded as limitations on the present utility model. The embodiments in the present application and the features in the embodiments can be combined arbitrarily with each other if there is no conflict. The scope of protection of the utility model shall be the technical solution described in the claims, including the equivalent replacements of the technical features in the technical solution described in the claims. That is, equivalent replacement and improvement within this scope are also within the protection scope of the present utility model.

Claims (10)

1. a kind of lead frame automatic board descending machine, it is characterized in that：It includes downstream moving plate mode（2）, downstream moving plate mode（2）Point It is to convey workshop section positioned at the downstream of upstream（23）With plate workshop section of being vacillated under downstream（24）；

Described downstream conveying workshop section（23）In, the guide plate conveying roller of multiple rotation（207）Parallel arrangement, workshop section is waited in conveying （22）Downstream be provided with the liftable baffle conveying corresponding with station；

Vacillated under described plate workshop section（24）In, the conveying roller of multiple rotation（201）Parallel arrangement, in conveying roller（201）Between The lifting being provided with for lateral transfer workpiece moves plate conveying device（202）, set in the side of the position corresponding with multiple stations There is liftable shifting plate stop bit device（203）, in multiple conveying rollers（201）Downstream be provided with corresponding with station liftable Baffle conveying（204）.

2. a kind of lead frame automatic board descending machine according to claim 1, it is characterized in that：In downstream moving plate mode（2）'s Upstream is provided with liftable baffle conveying（204）.

3. a kind of lead frame automatic board descending machine according to claim 1 and 2, it is characterized in that：In downstream moving plate mode（2） Downstream be provided with the second delivery track（7）, the second delivery track（7）Downstream be provided with board descending device（1）.

4. a kind of lead frame automatic board descending machine according to claim 3, it is characterized in that：Described board descending device（1）In, Lower plate support frame（103）Top be provided with for placing magazine（6）The traversing belt of lower plate（101）, lower plate support frame （103）Bottom be provided with lower plate guide rod（104）, lower plate guide rod（104）With lower panel guide（105）It is slidably connected, lower plate carriage Frame（103）Bottom be additionally provided with lifting drive.

5. a kind of lead frame automatic board descending machine according to claim 4, it is characterized in that：Described lifting drive is Hydraulic cylinder, the cylinder body fixed installation of hydraulic cylinder, piston rod and the lower plate support frame of hydraulic cylinder（103）Connection；

Or described lifting drive is pinion and rack, tooth bar and lower plate support frame（103）It is fixedly connected, gear It is connected with tooth bar engagement, gear is connected with drive device；

Or described lifting drive is screw-nut body, lower plate screw rod（107）With lower plate support frame（103）It is fixed Connection, transmission nut（109）Between two bearings, in transmission nut（109）Outer wall be provided with tooth, drive device passes through Gear or Timing Belt and transmission nut（109）Connection, and drive transmission nut（109）Rotation.

6. a kind of lead frame automatic board descending machine according to claim 5, it is characterized in that：It is additionally provided with for detecting magazine （6）The photoelectric sensor of interior material position（10）.

7. a kind of lead frame automatic board descending machine according to claim 1, it is characterized in that：Described shifting plate stop bit device （203）In, many shifting plate stop rods（2031）Shifting plate stop bit framework is fixed on vertically（2032）On, move plate stop bit framework（2032） Bottom with move plate stop bit cylinder（2033）Or pinion and rack connection.

8. a kind of lead frame automatic board descending machine according to claim 1, it is characterized in that：Described baffle conveying（204） In, baffle conveying（204）With baffle plate lift cylinder（205）It is fixedly connected.

9. a kind of lead frame automatic board descending machine according to claim 1, it is characterized in that：Described lifting moves plate conveying dress Put（202）In, move plate framework（2024）It is provided with multiple shifting panel seats（2021）, multiple belt wheels（2022）It is rotatably mounted to move Panel seat（2021）On, the belt wheel of same column（2022）Between by moving plate adhesive tape（2023）Connection, positioned at multiple belt wheels of side （2022）Between pass through connecting shaft（2029）It is fixedly connected, connecting shaft（2029）By transmission device and shifting board motor（2025）Even Connect；

Move plate framework（2024）Bottom be connected with lifting drive.

10. a kind of lead frame automatic board descending machine according to claim 3, it is characterized in that：Workshop section is conveyed in downstream（23） Upstream and downstream；Under vacillate plate workshop section（24）Downstream be provided with the photoelectric sensor corresponding with station（10）.