Slow storage device

Abstract

The utility model relates to the technical field of PCB (Printed Circuit Board) processing, in particular to a buffer storage device which comprises a storage box, a first motor, a first screw rod and a first guide rod, a feeding hole is formed in one side of the storage box, a discharging hole is formed in the other side of the storage box, and the first motor is arranged on one side in the storage box; a first screw rotationally connected with the storage box is connected to an output shaft of the first motor through a coupler, and a plurality of first guide rods are fixedly connected to the interior of the storage box. The feeding port is opened by starting the electric push rod on the front side of the storage box, after the PCBs are placed on the conveying belt through the feeding port, the telescopic rod of the electric push rod is controlled to be shortened, the connecting plate moves downwards to close the feeding port, and the storage box is in a sealed state, so that foreign matter is prevented from falling on the PCBs when the PCBs are temporarily stored, and subsequent processing of the PCBs is prevented from being affected.

Description

TECHNICAL FIELD

[0001] The utility model relates to PCB board processing technical field especially relates to a buffer storage device. BACKGROUND

[0002] PCB (printed circuit board) temporary storage device refers to the equipment or system used for temporarily storing PCB boards during the production process, aiming to ensure the safe storage of PCB boards between different production stages, avoid damage, pollution or loss, and at the same time improve the efficiency of the production line.

[0003] The patent with the authorization announcement number CN214081380U discloses a PCB temporary storage rack, which comprises a base frame, a placing rack arranged on the base frame for placing PCB boards, and a partition arranged on the placing rack for separating the PCB boards; the placing rack comprises a placing plate obliquely arranged on the base frame and a supporting plate fixed to the lower side edge of the placing plate; the patent proposes to separate adjacent PCB boards to reduce the friction and scratching phenomenon; however, there are still some problems in actual use. When the PCB boards are placed on the placing rack, they are in an open state, and foreign matters such as water vapor and dust in the air are easy to fall on the PCB boards, which affects the subsequent processing of the PCB boards.

[0004] Therefore, it is necessary to design a buffer storage device. SUMMARY

[0005] In order to overcome the shortcomings of the prior art that when the PCB boards are placed on the placing rack, they are in an open state, and foreign matters such as water vapor and dust in the air are easy to fall on the PCB boards, which affects the subsequent processing of the PCB boards, the utility model provides a buffer storage device.

[0006] The technical scheme is as follows: a buffer storage device comprises a storage box, a first motor, a first screw rod, a first guide rod, a lifting frame, a mounting plate, a conveying belt and an adjusting mechanism, a feeding port is formed on one side of the storage box, a discharging port is formed on the other side of the storage box, a first motor is installed on one side of the inside of the storage box, a first screw rod connected with the storage box in a rotating manner is connected to the output shaft of the first motor through a shaft coupling, a plurality of first guide rods are fixedly connected inside the storage box, a lifting frame is slidably arranged on the plurality of first guide rods, the lifting frame is threadedly connected with the first screw rod, one mounting plate is installed on each of the two sides of the lifting frame, a plurality of conveying belts are installed on the mounting plates, an adjusting mechanism for adjusting the distance between the two mounting plates is arranged on the upper part of the lifting frame, the buffer storage device further comprises an electric push rod, a connecting plate and a partition door, two electric push rods are installed on each side of the storage box, a connecting plate is fixedly connected to the telescopic rod of each electric push rod, a partition door is jointly installed on the two connecting plates on the same side of the storage box, and the two partition doors are used for closing the feeding port and the discharging port, respectively.

[0007] Further, the adjusting mechanism comprises a second motor, a second screw rod and a second guide rod, the second motor is installed on one side of the lifting frame, a second screw rod is connected to the output shaft of the second motor through a shaft coupling, the second screw rod is rotatably connected to the other side of the lifting frame, the second screw rod penetrates through the mounting plate adjacent to the second motor, the second screw rod is threadedly connected to the mounting plate away from the second motor, a second guide rod is fixedly connected to the side of the lifting frame away from the second motor, and the mounting plate away from the second motor slides on the second guide rod.

[0008] Further, it further comprises a limiting plate, a mounting seat and a rubber roller, a plurality of limiting plates corresponding to the number of conveying belts are installed on both sides of the lifting frame, a plurality of mounting seats are fixedly connected to one side of each limiting plate close to the conveying belt, and a rubber roller is rotatably arranged on each mounting seat.

[0009] Further, the limiting plate is composed of two inclined plates and a straight plate, the two inclined plates are connected to the two ends of the straight plate respectively, and the inclined plates are arranged in an upward inclination.

[0010] Further, it further comprises an air guide pipe, a turbofan and a surface cooler, an air guide pipe is connected and communicated to the top of the storage box, a turbofan is installed on the side of the air guide pipe away from the storage box, exhaust ports are formed in the lower part of the storage box on both sides, a surface cooler is installed on the side of the air guide pipe away from the storage box, and the surface cooler is located outside the turbofan.

[0011] Further, it further comprises a filter element, and the filter element is installed on the exhaust port.

[0012] Further, it further comprises a foot pad, and a plurality of foot pads are installed on the bottom of the storage box.

[0013] The beneficial effects are: 1. By starting the electric push rod on the front side of the storage box, the feeding port is opened, the PCB board is placed on the conveying belt through the feeding port, the telescopic rod of the electric push rod is controlled to be shortened, the connecting plate is moved downward to close the feeding port, and the storage box is in a sealed state, thereby preventing foreign matters from falling on the PCB board when the PCB board is buffered, and avoiding affecting the subsequent processing of the PCB board.

[0014] When the PCB board is placed on the conveying belt, the upper part of the PCB board is in contact with the rubber roller, and the rubber roller extrudes the PCB board, thereby increasing the friction between the PCB board and the conveying belt, so that the conveying belt can conveniently receive and discharge the PCB board.

[0015] By starting the turbofan and the surface cooler, cold air enters the storage box, and the cold air flows from top to bottom to cool the PCB board, thereby avoiding the internal stress caused by the large temperature difference of the PCB board and reducing the risk of PCB board warping. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a three-dimensional structure schematic diagram of the utility model.

[0017] Figure 2 It is a stereoscopic structure section view schematic diagram of the storage box, the lifting frame and the first guide rod of the utility model.

[0018] Figure 3 It is a stereoscopic structure schematic diagram of the lifting frame, the mounting plate and the second guide rod of the utility model.

[0019] Figure 4 It is a stereoscopic structure schematic diagram of the mounting plate, the conveying belt and the limiting plate of the utility model.

[0020] Figure 5 It is a stereoscopic structure schematic diagram of the limiting plate, the mounting seat and the rubber roller of the utility model.

[0021] Figure 6 It is a stereoscopic structure schematic diagram of the storage box, the electric push rod and the partition door of the utility model.

[0022] Figure 7 It is a stereoscopic structure section view schematic diagram of the storage box, the air guide pipe and the surface cooler of the utility model.

[0023] Part names and serial numbers in the figure: 1-storage box, 101-feed inlet, 102-discharge outlet, 2-first motor, 3-first screw rod, 4-first guide rod, 5-lifting frame, 6-mounting plate, 7-conveying belt, 8-second motor, 9-second screw rod, 10-second guide rod, 11-electric push rod, 12-connection plate, 13-partition door, 14-limiting plate, 15-mounting seat, 16-rubber roller, 17-air guide pipe, 18-vortex fan, 1801-exhaust port, 19-filter element, 20-surface cooler, 21-foot pad. DETAILED DESCRIPTION

[0024] The preferred technical scheme of the utility model is described in detail below with reference to the drawings.

[0025] Embodiment 1: a buffer storage device, refer to Figures 1-4 and Figure 6As shown, including storage box 1, the first motor 2, the first screw 3, the first guide rod 4, the lifting frame 5, the mounting plate 6, the conveying belt 7 and adjusting mechanism, storage box 1 front side is provided with feed port 101, storage box 1 rear side is provided with discharge port 102, the bottom of storage box 1 is provided with four foot pads 21, four foot pads 21 in the bottom of storage box 1 is rectangular distribution, increase the friction between the bottom of storage box 1 and the ground, improve the stability of storage box 1 when using, the inside left side of storage box 1 is provided with first motor 2 by bolt connection, the output shaft of first motor 2 is connected with first screw 3 rotatably connected with storage box 1 through the coupling, four first guide rods 4 are fixedly connected in storage box 1, four first guide rods 4 are rectangularly distributed, four first guide rods 4 are commonly provided with lifting frame 5 slidingly, lifting frame 5 is threadedly connected with first screw 3, one mounting plate 6 is mounted on the left and right sides of lifting frame 5 by bolt connection, a plurality of conveying belts 7 are mounted on mounting plate 6, conveying belt 7 is composed of a driving motor, two rollers and a belt, two rollers are rotatably arranged on mounting plate 6, one of the rollers is driven by the driving motor, the belt is sleeved between the two rollers, adjusting mechanism for adjusting the distance between the two mounting plates 6 is arranged on the upper part of lifting frame 5, further comprising electric push rod 11, connecting plate 12 and partition door 13, two electric push rods 11 are mounted on the two sides of storage box 1, connecting plate 12 is fixedly connected on the telescopic rod of electric push rod 11, partition door 13 is commonly mounted on the two connecting plates 12 on the same side of storage box 1, two partition doors 13 are used for closing feed port 101 and discharge port 102 respectively.

[0026] Referring to Figure 2 and Figure 3 As shown, the adjusting mechanism comprises second motor 8, second screw 9 and second guide rod 10, second motor 8 is mounted on the left side of lifting frame 5, second screw 9 is connected on the output shaft of second motor 8 through the coupling, second screw 9 is rotatably connected on the right side, second screw 9 penetrates the left mounting plate 6, second screw 9 is threadedly connected with the right mounting plate 6, second guide rod 10 is fixedly connected on the front side of lifting frame 5, the right mounting plate 6 slides on second guide rod 10.

[0027] When the baked PCB needs to be buffered, first start the electric push rod 11 in front of the storage box 1, the telescopic rod of the electric push rod 11 is elongated to drive the connecting plate 12 in front of the storage box 1 to move upwards, thereby opening the feeding port 101, then start the second motor 8, the output shaft of the second motor 8 drives the second screw rod 9 to rotate, the second screw rod 9 drives the right mounting plate 6 to move left and right under the guidance of the second guide rod 10, thereby adjusting the distance between the two mounting plates 6, so that the PCB of different sizes can be temporarily stored, then start the first motor 2, the output shaft of the first motor 2 drives the first screw rod 3 to rotate, the first screw rod 3 drives the lifting frame 5 to move up and down under the guidance of the first guide rod 4, until the conveying belt 7 is aligned with the feeding port 101, then place the PCB on the conveying belt 7 through the feeding port 101, then start the conveying belt 7 to transport the PCB between the two mounting plates 6, when the feeding position needs to be adjusted, control the output shaft of the first motor 2 to drive the first screw rod 3 to rotate again, the first screw rod 3 moves up and down through the lifting frame 5 mounting plate 6, so that the conveying belt 7 of different heights is aligned with the feeding port 101, so that the PCB can be placed at different heights, after the PCB is placed, control the telescopic rod of the electric push rod 11 to shorten, so that the connecting plate 12 moves downwards to close the feeding port 101, the storage box 1 is in a sealed state, thereby preventing foreign matter from falling on the PCB when the PCB is buffered, and avoiding affecting the subsequent processing of the PCB.

[0028] Example 2: Based on example 1, refer to Figure 4 and Figure 5 It also includes a limiting plate 14, a mounting seat 15 and a rubber roller 16, the lifting frame 5 is provided with a limiting plate 14 corresponding to the number of the conveying belt 7 on both sides, the limiting plate 14 is composed of two inclined plates and a straight plate, the two inclined plates are connected to the two ends of the straight plate respectively, and the inclined plates are inclined upward, five groups of mounting seats 15 are fixedly connected to one side of the limiting plate 14 close to the conveying belt 7, and a rubber roller 16 is rotatably arranged on each mounting seat 15.

[0029] When the baked PCB is placed on the conveying belt 7, the limiting plate 14 guides the PCB to align with the conveying belt 7, the upper part of the PCB contacts the rubber roller 16, the rubber roller 16 extrudes the PCB, and the lower part of the PCB contacts the conveying belt 7, thereby increasing the friction between the PCB and the conveying belt 7, so that the conveying belt 7 can conveniently receive and discharge the PCB.

[0030] Refer to Figure 1 and Figure 7As shown, the storage box 1 further comprises an air duct 17, a vortex fan 18 and a surface cooler 20, the air duct 17 is connected and communicated with the top of the storage box 1, the vortex fan 18 is installed on the front side of the air duct 17, the exhaust ports 1801 are arranged on the lower part of the storage box 1, the filter elements 19 are installed on the exhaust ports 1801, the filter elements 19 are used for filtering the air entering and exiting the exhaust ports 1801, so that foreign matters cannot enter the storage box 1 through the exhaust ports 1801, the surface cooler 20 is installed on the front side of the air duct 17, and the surface cooler 20 is located on the outer side of the vortex fan 18.

[0031] When the baked PCB board is temporarily stored in the storage box 1, the vortex fan 18 and the surface cooler 20 are started, the vortex fan 18 sucks the external air into the air duct 17, the air is cooled by the surface cooler 20 when passing through the surface cooler 20, so that the cold air enters the storage box 1, the cold air flows from top to bottom to cool the PCB board, and then is discharged from the exhaust ports 1801, so that the internal stress of the PCB board caused by a large temperature difference is avoided, and the risk of warping of the PCB board is reduced.

[0032] The above embodiment is only a preferred embodiment of the present application, and is not used to limit the scope of the present application, so that equivalent changes made according to the content of the present application claims should be included in the scope of the present application claims.

Claims

1. A kind of buffer stocker, including storage box (1), first motor (2), first screw rod (3), first guide rod (4), lifting frame (5), mounting plate (6), conveying belt (7) and adjusting mechanism, the side of storage box (1) is equipped with inlet (101), the other side of storage box (1) is equipped with discharge port (102), the inside of storage box (1) is equipped with first motor (2) on one side, the output shaft of first motor (2) is connected with the first screw rod (3) of rotatable connection with storage box (1) by coupling, the inside of storage box (1) is fixed with multiple first guide rods (4), multiple first guide rods (4) are commonly slidably provided with lifting frame (5), lifting frame (5) is threadedly connected with first screw rod (3), lifting frame (5) is equipped with two mounting plates (6) on both sides in, multiple groups of conveying belts (7) are installed on mounting plate (6), lifting frame (5) upper portion is equipped with the adjusting mechanism for adjusting the spacing between two mounting plates (6), characterized in that, The electric push rod (11), the connecting plate (12) and the partition door (13) are further included, two electric push rods (11) are installed on each side of the storage box (1), the connecting plate (12) is fixedly connected to the telescopic rod of the electric push rod (11), the partition door (13) is jointly installed on the two connecting plates (12) on the same side of the storage box (1), and the two partition doors (13) are used for closing the feeding port (101) and the discharging port (102) respectively.

2. A buffer storage device according to claim 1, wherein, The adjusting mechanism comprises a second motor (8), a second screw rod (9) and a second guide rod (10), the second motor (8) is installed on one side of the lifting frame (5), the output shaft of the second motor (8) is connected with the second screw rod (9) through a shaft coupling, the second screw rod (9) is rotatably connected to the other side of the lifting frame (5), the second screw rod (9) penetrates through the mounting plate (6) adjacent to the second motor (8), the second screw rod (9) is threadedly connected to the mounting plate (6) away from the second motor (8), and the second guide rod (10) is fixedly connected to the side of the lifting frame (5) away from the second motor (8). The mounting plate (6) away from the second motor (8) slides on the second guide rod (10).

3. A buffer storage device according to claim 2, wherein, The limiting plate (14), the mounting seat (15) and the rubber roller (16) are further included, the limiting plate (14) corresponding in number to the conveying belt (7) is installed on each side of the lifting frame (5), a plurality of mounting seats (15) are fixedly connected to the side of the limiting plate (14) close to the conveying belt (7), and the rubber roller (16) is rotatably arranged on each mounting seat (15).

4. A buffer storage device according to claim 3, wherein, The limiting plate (14) is composed of two inclined plates and a straight plate, the two inclined plates are connected to the two ends of the straight plate respectively, and the inclined plates are arranged in an upward inclination.

5. A buffer storage device according to claim 4, wherein, The air guide pipe (17), the turbofan (18) and the surface cooler (20) are further included, the air guide pipe (17) is connected and communicated to the top of the storage box (1), the turbofan (18) is installed on the side of the air guide pipe (17) away from the storage box (1), the exhaust port (1801) is formed in the lower part of the storage box (1), the surface cooler (20) is installed on the side of the air guide pipe (17) away from the storage box (1), and the surface cooler (20) is located outside the turbofan (18).

6. A buffer storage device according to claim 5, wherein, The filter element (19) is further included and installed on the exhaust port (1801).

7. A buffer storage device according to claim 6, wherein, The foot pad (21) is further included, and a plurality of foot pads (21) are installed on the bottom of the storage box (1).

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