A PCB board rack circulating replenishment device

Abstract

The utility model belongs to a kind of PCB board goods shelf circulation material supplementing device, the lower half of conveying frame is provided with conveying chain, and conveying chain is placed with material supplementing box, and the front end of material supplementing box is open, and a plurality of PCB board positioning slots are set in material supplementing box, and the outside of material supplementing box is provided with two first handles;The rear end of conveying frame is provided with jacking unit on both sides, and the rear half of conveying chain is located between each jacking unit;Jack-up unit includes jacking frame, and the outside of jacking frame is connected with the output end of push cylinder, and push cylinder is set on jacking plate, and four corners of jacking plate are all provided with guide rod, and each guide rod is set on jacking box, and jacking cylinder is set in jacking box, and the output end of jacking cylinder is connected with the lower end of jacking plate;The upper half of conveying frame is provided with operating platform.The utility model improves positioning efficiency, reduces physical strain, is more labor-saving in operation, shortens operation dynamic line, simple structure, convenient operation and not easy to be damaged and other beneficial effects.

Description

Technical Field

[0001] This utility model relates to a material replenishment structure, specifically a PCB board shelf circulating material replenishment device. Background Technology

[0002] In the PCB production, assembly, and subsequent processing stages, it is necessary to frequently replenish PCB raw materials at the processing stations to ensure the continuous operation of the production line. Currently, the industry still largely relies on traditional manual operation for PCB material replenishment, which has the following shortcomings: 1. Existing material replenishment methods mostly require manual handling of stacked PCB boards or PCB board bins to the vicinity of the processing station. Since PCB boards themselves have a certain weight, and the amount of material replenished at one time needs to match the consumption rhythm of the production line, staff need to repeatedly travel between the raw material storage area and the processing area. This not only consumes a lot of manpower, but also easily leads to a decrease in handling efficiency due to physical exhaustion. It is difficult to adapt to the material replenishment needs of high-paced production lines, and may even cause production line interruption due to untimely handling.

[0003] 2. During manual handling, PCB boards lack stable positioning and constraint structures, making stacked PCB boards prone to displacement and tilting. In some cases, they may even collide and scratch each other. This not only requires additional time to adjust the PCB board positions after replenishment, increasing secondary operation costs, but may also lead to edge damage and surface scratches on the PCB boards, directly affecting product quality and increasing the defect rate. 3. The height of the workbench at the processing station is usually fixed, while the bins or shelves for loading PCB boards are mostly multi-layered. When workers take PCB boards from the upper or lower layers of the bins, they need to frequently bend over, tiptoe, or even climb. Maintaining this posture for a long time can easily cause muscle strain in the waist, neck, and shoulders, increasing occupational health risks. At the same time, the inconvenience of operation will further reduce the efficiency of material handling. 4. In the traditional model, PCB boards that are transported from the replenishment area to the processing station need to be manually transferred again to the operating table or the feed port of the processing equipment. This process not only prolongs the material flow time, but may also cause secondary damage to the PCB boards due to inadequate protection in the temporary storage process. At the same time, the repetitive operation of manual transfer further increases the probability of human error. Utility Model Content

[0004] The technical solution adopted by this utility model to solve its technical problem is as follows: The PCB board shelf circulating replenishment device of this utility model includes a conveyor frame, the lower half of the conveyor frame is provided with a conveyor chain, a replenishment box is placed on the conveyor chain, the front end of the replenishment box is open, a plurality of PCB board positioning slots are opened inside the replenishment box, and two first handles are provided on the outside of the replenishment box; lifting units are provided on both sides of the rear end of the conveyor frame, and the rear half of the conveyor chain is located between each of the lifting units; The lifting unit includes a lifting frame, the outer side of which is connected to the output end of a pushing cylinder. The pushing cylinder is mounted on a lifting plate. Guide rods are provided at the four corners of the lifting plate. Each guide rod is mounted on a lifting box. A lifting cylinder is installed inside the lifting box. The output end of the lifting cylinder is connected to the lower end of the lifting plate. An operating platform is provided on the upper half of the conveyor frame.

[0005] Furthermore, the conveyor frame includes a frame body, a base is provided at the bottom of the frame body, driven sprockets and driving sprockets are provided on both sides of the base, and a plurality of support wheels are provided between the driven sprockets and the driving sprockets. The driven sprockets, the driving sprockets and each of the support wheels are connected by a conveyor chain. The upper end surface of each conveyor chain is higher than the upper end surface of the base. The driving sprocket is connected to the output end of the feeding motor, and the feeding motor is mounted on the lifting box.

[0006] Furthermore, both sides of the bottom end of the replenishment box are provided with protrusions, each protrusion is located on each of the conveyor chains, the lower end of each protrusion is higher than the bottom end of the replenishment box, and the bottom of the replenishment box is provided with wheels.

[0007] Furthermore, the lifting frame includes a base plate, and side plates are provided on both sides of the base plate.

[0008] Furthermore, a second handle is provided at the rear end of the feeding box.

[0009] Furthermore, a conveyor belt is wound around the operating platform, and a drive roller for rotating is provided on the outer side of the frame. The drive roller is mounted on the frame and is used to drive the conveyor belt to move.

[0010] The advantages of this utility model are: 1. With the cooperation of the conveyor chain and the feeding motor, the replenishment box can be automatically transported from the front end of the conveyor frame to the rear lifting area without manual handling, reducing manpower input; the PCB board positioning slot in the replenishment box can accurately fix the position of the PCB board, avoid secondary adjustment caused by displacement during the conveying process, improve positioning efficiency, and multiple replenishment boxes can be placed along the length of the conveyor chain. 2. The lifting unit can gradually lift the material replenishment box to different heights through the lifting cylinder and the pushing cylinder, so that the operator can easily pick up the PCB boards of the upper, middle and lower layers of the material replenishment box without bending over or standing on tiptoe, reducing physical strain. 3. The wheels at the bottom of the filling box reduce friction between the box and the base. Together with the first handle on the outside and the second handle at the rear, it is easy for the operator to adjust the position of the box when loading materials or to drag it quickly when empty boxes are being recycled, making the operation more labor-saving.

[0011] 4. The upper part of the conveyor frame is equipped with a conveyor belt, which can directly receive PCB boards taken out from the material replenishment box, realize material picking and transmission, and eliminate the need for manual secondary transfer to the processing station, thus shortening the operation line; 5. The open front design of the replenishment box facilitates the loading and unloading of materials. At the same time, the positioning groove provides physical protection for the PCB board, preventing collisions and scratches during transportation or lifting. The bottom plate and side plate structure of the lifting frame can stably support the replenishment box and prevent the box from tilting during lifting, which could cause the PCB board to fall. 6. The conveyor chain, through the cooperation of driven sprockets, driving sprockets and support wheels, maintains a smooth transmission process and avoids shaking of the box; the guide rods at the four corners of the lifting plate restrict the lifting direction, ensure vertical stability during the lifting process, reduce PCB board damage caused by vibration, and also have the advantages of simple structure, easy operation and not easy to break. Attached Figure Description

[0012] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0013] Figure 1 This is a first three-dimensional structural diagram of the present invention.

[0014] Figure 2 This is a schematic diagram of the second three-dimensional structure of the present invention.

[0015] Figure 3 This is a schematic diagram of the material replenishment box of this utility model.

[0016] Figure 4 This is a schematic diagram of a structure with support wheels on both sides of the base.

[0017] Figure 5 This is a partial structural diagram of the lifting unit.

[0018] Figure 6 This is a front view structural diagram of the present invention.

[0019] Figure 7 yes Figure 6 A magnified schematic diagram of the structure at point A in the middle.

[0020] The components represented by each number in the attached diagram are listed below: 1. Conveyor frame; 2. Conveyor chain; 3. Feeding box; 5. PCB board positioning slot; 6. First handle; 7. Lifting unit; 8. Lifting frame; 9. Pushing cylinder; 10. Lifting plate; 11. Guide rod; 12. Lifting box; 13. Operating platform; 15. Frame; 16. Base; 17. Driven sprocket; 18. Driven sprocket; 19. Support wheel; 21. Feeding motor; 22. Boss; 23. Traveling wheel; 26. Base plate; 27. Side plate; 28. Second handle; 29. ​​Conveyor belt; 50. PCB board; Detailed Implementation

[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of protection of the present utility model.

[0022] Please see Figure 1-6 As shown, a PCB board shelf circulation replenishment device includes a conveyor frame 1, a conveyor chain 2 is provided on the lower half of the conveyor frame 1, a replenishment box 3 is placed on the conveyor chain 2, the front end of the replenishment box 3 is open, a plurality of PCB board positioning slots 5 are provided inside the replenishment box 3, and two first handles 6 are provided on the outer side of the replenishment box 3; lifting units 7 are provided on both sides of the rear end of the conveyor frame 1, and the rear half of the conveyor chain 2 is located between each of the lifting units 7. The lifting unit 7 includes a lifting frame 8, the outer side of which is connected to the output end of a pushing cylinder 9. The pushing cylinder 9 is mounted on a lifting plate 10. Guide rods 11 are provided at each of the four corners of the lifting plate 10. Each guide rod 11 is mounted on a lifting box 12. A lifting cylinder is installed inside the lifting box 12. The output end of the lifting cylinder is connected to the lower end of the lifting plate 10. An operating platform 13 is provided on the upper half of the conveyor frame 1.

[0023] The conveyor frame 1 includes a frame body 15, with a base 16 at the bottom of the frame body 15. A driven sprocket 17 and a driving sprocket 18 are provided on both sides of the base 16. A plurality of support wheels 19 are provided between the driven sprocket 17 and the driving sprocket 18. The driven sprocket 17, the driving sprocket 18 and each of the support wheels 19 are connected by a conveyor chain 2. The upper end surface of each conveyor chain 2 is higher than the upper end surface of the base 16. The driving sprocket 18 is connected to the output end of the feeding motor 21, which is mounted on the lifting box 12.

[0024] The frame and base of the conveyor are made of rigid structure, and the support wheels provide uniform support to the conveyor chain to prevent the chain from sagging or deforming. The combination of the lifting box and the guide rod ensures the load-bearing capacity of the lifting unit and can be adapted to different specifications of material replenishment boxes and PCB boards.

[0025] The bottom of the feeding box 3 is provided with protrusions 22 on both sides, and each protrusion 22 is located on each of the conveyor chains 2. The lower end of each protrusion 22 is higher than the bottom of the feeding box 3. The bottom of the feeding box 3 is provided with a traveling wheel 23.

[0026] The lifting frame 8 includes a base plate 26, and side plates 27 are provided on both sides of the base plate 26. A second handle 28 is provided at the rear end of the feeding box 3. A conveyor belt 29 is wound around the operating table 13, and a drive roller for rotating is provided on the outer side of the frame 15. The conveyor roller is mounted on the frame 15 and is used to drive the conveyor belt 29 to move.

[0027] Working principle: This device achieves cyclic replenishment of PCB boards through an automated process of conveying, positioning, lifting, and transferring. Specifically, the PCB boards 50 to be replenished are manually placed one by one into the PCB board positioning slots 5 of the replenishment box 3. The positioning slots 5 ensure that the PCB boards 50 are fixed in position and prevent displacement. The protrusions 22 on both sides of the bottom of the replenishment box 3 rest on the two conveyor chains 2 of the conveyor frame 1, and the bottom traveling wheels 23 provide auxiliary support to reduce friction between the replenishment box 3 and the base 16. The feeding motor 21 is started, and the output of the motor drives the drive sprocket 18 to rotate. The drive sprocket 18 drives the driven sprocket 17 to rotate synchronously through the conveyor chain 2. At the same time, the support wheel 19 supports the conveyor chain 2 to prevent the chain from sagging. The conveyor chain 2 carries the replenishment box 3 along the lower half of the frame 15 to the rear end until the replenishment box 3 reaches the designated position between the two lifting units 7. Once the material replenishment box 3 is in position, the push cylinder 9 is activated, and its output end pushes the lifting frame 8 towards the operating table 13 until the first handle 6 is directly below the lifting frame 8. Then, the lifting cylinder inside the lifting box 12 pushes the lifting plate 10 upwards. Guide rods 11 at the four corners of the lifting plate 10 restrict its movement, allowing it to rise smoothly vertically. The lifting plate 10 drives the push cylinder 9 and the lifting frame 8 to rise synchronously until the first handle 6 is between the two side plates 27. The base plate 26 then supports the first handle 6. The lifting frame 8 continues to move upwards, pushing the material replenishment box 3 upwards. Once the upper half of the material replenishment box 3 is higher than the operating table 13, the operator can retrieve the material. After the material in the upper half is retrieved, the process continues... Continue to push the replenishment box 3 upwards to facilitate the operator in retrieving the PCB board 50 in the middle section of the replenishment box 3. Finally, continue to push upwards to retrieve the PCB board 50 in the lower half of the replenishment box 3. After all the PCB boards 50 in the replenishment box 3 have been retrieved, the push cylinder 9 reverses its action, pulling the lifting frame 8 and the empty replenishment box 3 back to the initial lifting position. The lifting cylinder in the lifting box 12 retracts, causing the lifting plate 10, push cylinder 9, lifting frame 8, and empty replenishment box 3 to descend synchronously until the boss 22 of the empty replenishment box 3 is placed back on the conveyor chain 2. Then, the operator can drag the second handle 28 to remove the empty replenishment box 3. In actual use, multiple replenishment boxes 3 can be placed along the length of the feeding conveyor belt 2. The actual length of the feeding conveyor belt 2 can be set according to actual needs.

[0028] In the description of this specification, references to terms such as "an embodiment," "example," "specific example," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0029] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed utility model.

Claims

1. A PCB board shelf circulating replenishment device, characterized in that: The system includes a conveyor frame (1), the lower half of which is provided with a conveyor chain (2), a replenishment box (3) is placed on the conveyor chain (2), the front end of the replenishment box (3) is open, and several PCB board positioning slots (5) are opened inside the replenishment box (3). Two first handles (6) are provided on the outside of the replenishment box (3); lifting units (7) are provided on both sides of the rear end of the conveyor frame (1), and the rear half of the conveyor chain (2) is located between each of the lifting units (7). The lifting unit (7) includes a lifting frame (8), the outer side of which is connected to the output end of a pushing cylinder (9). The pushing cylinder (9) is mounted on a lifting plate (10). Guide rods (11) are provided at the four corners of the lifting plate (10). Each guide rod (11) is mounted on a lifting box (12). A lifting cylinder is provided inside the lifting box (12). The output end of the lifting cylinder is connected to the lower end of the lifting plate (10). An operating table (13) is provided on the upper half of the conveyor frame (1).

2. The PCB board shelf circulating replenishment device according to claim 1, characterized in that: The conveyor frame (1) includes a frame (15), and a base (16) is provided at the bottom of the frame (15). A driven sprocket (17) and a driving sprocket (18) are provided on both sides of the base (16). A number of support wheels (19) are provided between the driven sprocket (17) and the driving sprocket (18). The driven sprocket (17), the driving sprocket (18) and each of the support wheels (19) are connected by a conveyor chain (2). The upper end of each conveyor chain (2) is higher than the upper end of the base (16). The driving sprocket (18) is connected to the output end of the feeding motor (21). The feeding motor (21) is provided on the lifting box (12).

3. The PCB board shelf circulating replenishment device according to claim 2, characterized in that: The bottom of the feeding box (3) is provided with protrusions (22) on both sides. Each protrusion (22) is located on each of the conveyor chains (2). The lower end of each protrusion (22) is higher than the bottom of the feeding box (3). The bottom of the feeding box (3) is provided with a traveling wheel (23).

4. The PCB board shelf circulating replenishment device according to claim 3, characterized in that: The lifting frame (8) includes a base plate (26), and side plates (27) are provided on both sides of the base plate (26).

5. The PCB board shelf circulating replenishment device according to claim 4, characterized in that: The rear end of the feeding box (3) is provided with a second handle (28).

6. The PCB board shelf circulating replenishment device according to claim 5, characterized in that: The operating table (13) is wound with a conveyor belt (29), and the outer side of the frame (15) is provided with a drive roller for rotating. The drive roller is located on the frame (15) and is used to drive the conveyor belt (29) to move.

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