Roll type air bubble film fine tightening and feeding device

Abstract

The utility model relates to the technical field of PCB (printed circuit board) processing, and discloses a roll type air bubble film fine tightening feeding device which comprises a mounting frame, an air swelling shaft end and an air swelling shaft body, circular baffles are arranged on two sides of the air swelling shaft body, and guide blocks are fixed on two sides of a positioning rod close to the bottom. According to the utility model, the shaft end of the air expansion shaft is assembled at the side edge of the shaft body of the air expansion shaft, so that the shaft end of one air expansion shaft is inserted into the reserved groove and then reaches the assembling groove during assembling, the top of the positioning rod is firstly clung to the inner wall of the assembling groove, and the reset spring is correspondingly compressed; when the air expansion shaft end reaches the tail portion in the assembling groove, the air expansion shaft end can be rotated when the positioning rod is not flush with the reserved hole, after the positioning rod reaches the position of the reserved hole, the reset spring rebounds, meanwhile, the positioning rod penetrates through the reserved hole to be positioned, limiting is conducted through the limiting plate, and meanwhile the guide rail and the guide block are matched to conduct guiding work. And the overall assembly convenience is improved in the working process.

Description

Technical Field

[0001] The utility model relates to the technical field of PCB board processing, and specifically relates to a precise and tight feeding device for roll-type bubble film. Background Technique

[0002] Generally speaking, a PCB board refers to a circuit board, which is a support for electronic components and a carrier for the electrical connection of electronic components. Among them, the batch of circuit board products is getting larger and larger, and the types are getting more and more. In the process of adapting to large-scale production, the PCB boards are classified and packaged according to the same specifications before shipment. Therefore, when packaging the PCB boards, heat shrink packaging work is required;

[0003] Among them, when carrying out this type of packaging work, a roll-type bubble film is required to complete the packaging work. The roll-type bubble film is a new type of plastic packaging material. In order to facilitate the transportation of this roll-type bubble film, a roll-type bubble film feeding device is required. It uses the rotation of the air shaft to complete the feeding work, and generally requires a baffle to be assembled on its side for limiting. Therefore, if the assembly is inconvenient during its assembly, it is easy to affect the convenience during assembly. Content of the Utility Model

[0004] The purpose of the utility model is to provide a precise and tight feeding device for roll-type bubble film, so as to solve the problem proposed in the above background technique that in order to facilitate the transportation of this roll-type bubble film, a roll-type bubble film feeding device is required. It uses the rotation of the air shaft to complete the feeding work, and generally requires a baffle to be assembled on its side for limiting. Therefore, if the assembly is inconvenient during its assembly, it is easy to affect the convenience during assembly.

[0005] To achieve the above purpose, the utility model provides the following technical solution: A precise and tight feeding device for roll-type bubble film, including a mounting frame, an air shaft end, and an air shaft body. Circular baffles are provided on both sides of the air shaft body. A connecting sleeve is installed on one side of one of the circular baffles. An assembly groove is formed inside the connecting sleeve. A reserved hole is opened at the top of the connecting sleeve. An adjustment groove is opened on one side inside the air shaft end. Guide rails are fixed on both sides of the inner wall of the adjustment groove. A positioning rod is inserted into the adjustment groove. A limiting plate is fixed at a position near the top of the outer part of the positioning rod. A return spring is connected between the outer part of the positioning rod at a position between the limiting plate and the air shaft end. Guide blocks are fixed at positions near the bottom on both sides of the positioning rod.

[0006] Preferably, the guide rails penetrate through the inside of the guide blocks, and a sliding connection is formed between the guide rails and the guide blocks.

[0007] Preferably, the guide rails are symmetrically distributed about the central axis of the adjustment groove, and the guide blocks are symmetrically distributed about the central axis of the positioning rod.

[0008] Preferably, the diameter of the positioning rod is smaller than the inner diameter of the reserved hole, and the diameter of the limiting plate is larger than the inner diameter of the reserved hole.

[0009] Preferably, the circular baffles are symmetrically distributed about the central axis of the air shaft body, and a roll of bubble film is wound around the outside of the air shaft body.

[0010] Preferably, a driving motor is assembled at the bottom of the mounting frame, and a regulating valve is installed on one side of the mounting frame.

[0011] Preferably, reserved grooves are formed inside the circular baffles, and the inside of the reserved grooves communicates with the embedded grooves.

[0012] Preferably, balls are embedded in the embedded grooves, and the embedded grooves are annularly distributed about the center of the reserved grooves.

[0013] Compared with the prior art, the beneficial effects of the present utility model are as follows: This kind of precise feeding device for roll bubble film not only improves the assembly convenience, but also improves the protection ability and operation convenience of the feeding device;

[0014] (1) By assembling the end of the air shaft on the side position of the air shaft body and installing a connecting sleeve on the side of a circular baffle, during assembly, an end of the air shaft is inserted through the reserved groove and reaches the assembly groove. At this time, the top of the positioning rod first closely adheres to the inner wall of the assembly groove, and the return spring is correspondingly compressed until the end of the air shaft reaches the tail in the assembly groove. Then, when the positioning rod is not aligned with the reserved hole, the end of the air shaft can be rotated, and when the positioning rod reaches the position of the reserved hole, the return spring rebounds and the positioning rod passes through the reserved hole for positioning, and is limited by the limiting plate. At the same time, the guide rail and the guide block cooperate to perform the guiding work. Therefore, the overall assembly convenience is improved during the working process;

[0015] (2) By providing the reserved groove in the circular baffle and communicating the embedded groove inside the reserved groove, and embedding the balls in the embedded groove, when the end of the air shaft passes through the reserved groove, the balls and the embedded groove can be used to contact and protect the end of the air shaft, reducing the wear problem caused by direct contact during work and improving the overall protection ability;

[0016] (3) By winding the roll bubble film around the outside of the air shaft body, and assembling a regulating valve and a driving motor at the position of the mounting frame, after the driving motor works, it is transmitted through the RV gearbox on the end face of the mounting frame, driving the end of the air shaft and the air shaft body of the bubble film to rotate in cooperation, and controlled by the PLC, realizing the characteristics of simple structure, reliable mechanism and fast response speed of the precise feeding mechanism for bubble film. Description of the Drawings

[0017] Figure 1Schematic three-dimensional structure diagram of the present utility model;

[0018] Figure 2 Front view sectional structure diagram of the circular baffle of the present utility model;

[0019] Figure 3 Partial side view sectional structure diagram of the circular baffle of the present utility model;

[0020] Figure 4 For the present utility model Figure 2 Enlarged sectional structure diagram at position A in the present utility model.

[0021] In the figure: 1, circular baffle; 2, roll type bubble film; 3, mounting rack; 4, regulating valve; 5, driving motor; 6, air shaft end; 7, connecting sleeve; 8, reserved groove; 9, air shaft body; 10, embedding groove; 11, ball; 12, positioning rod; 13, reserved hole; 14, limiting plate; 15, reset spring; 16, regulating groove; 17, guide rail; 18, guide block; 19, assembly groove. Specific implementation mode

[0022] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0023] Please refer to Figures 1-4 , an embodiment provided by the present utility model: a roll type bubble film precise feeding device, including a mounting rack 3, an air shaft end 6, and an air shaft body 9. Circular baffles 1 are provided on both sides of the air shaft body 9. A connecting sleeve 7 is installed on one side of one circular baffle 1. An assembly groove 19 is formed inside the connecting sleeve 7. A reserved hole 13 is opened at the top inside the connecting sleeve 7. An adjusting groove 16 is opened on one side inside the air shaft end 6. Guide rails 17 are fixed on both sides of the inner wall of the adjusting groove 16. A positioning rod 12 is inserted into the adjusting groove 16. A limiting plate 14 is fixed at a position near the top outside the positioning rod 12. A reset spring 15 is connected between the position of the positioning rod 12 outside the limiting plate 14 and the air shaft end 6. Guide blocks 18 are fixed at positions near the bottom on both sides of the positioning rod 12.

[0024] The guide rail 17 penetrates through the inside of the guide block 18, and a sliding connection is formed between the guide rail 17 and the guide block 18.

[0025] The guide rails 17 are symmetrically distributed about the central axis of the adjusting groove 16, and the guide blocks 18 are symmetrically distributed about the central axis of the positioning rod 12.

[0026] The diameter of the positioning rod 12 is smaller than the inner diameter of the reserved hole 13, and the diameter of the limiting plate 14 is larger than the inner diameter of the reserved hole 13.

[0027] The circular baffles 1 are symmetrically distributed about the central axis of the air shaft body 9, and the roll-type bubble film 2 is wound around the outside of the air shaft body 9.

[0028] A driving motor 5 is assembled at the bottom of the mounting bracket 3, and a regulating valve 4 is installed on one side of the mounting bracket 3.

[0029] Reserved grooves 8 are formed inside the circular baffles 1, and the inside of the reserved grooves 8 communicates with the embedded grooves 10.

[0030] The inside of the embedded groove 10 is embedded with balls 11, and the embedded grooves 10 are annularly distributed about the center of the reserved groove 8;

[0031] Furthermore, an RV gearbox is assembled on the end face of the mounting bracket 3 to cooperate with the driving motor 5 to form a transmission operation;

[0032] Furthermore, the RV gearbox and the driving motor 5 introduce PLC control technology, which is convenient for control and other operations.

[0033] Working principle: First, during operation, the air shaft end 6 is assembled on the side of the air shaft body 9. A connecting sleeve 7 is installed on the side of one circular baffle 1. Therefore, during assembly, an air shaft end 6 is inserted through the reserved groove 8 and reaches the assembly groove 19. At this time, the top of the positioning rod 12 first clings to the inner wall of the assembly groove 19, and the return spring 15 is compressed accordingly until the air shaft end 6 reaches the end of the assembly groove 19. Then, when the positioning rod 12 is not aligned with the reserved hole 13, the air shaft end 6 can be rotated. Then, when the positioning rod 12 reaches the position of the reserved hole 13, the return spring 15 rebounds and the positioning rod 12 passes through the reserved hole 13 for positioning, and is limited by the limiting plate 14. The roll-type bubble film 2 is wound around the outside of the air shaft body 9, and a regulating valve 4 and a driving motor 5 are assembled at the position of the mounting bracket 3. After the driving motor 5 works, it is transmitted through the RV gearbox on the end face of the mounting bracket 3, driving the bubble film to rotate in cooperation with the air shaft end 6 and the air shaft body 9, and the feeding operation of the roll-type bubble film 2 can be formed by PLC control.

[0034] In the description of the present invention, it should be noted that unless otherwise clearly specified and limited, the terms "installation", "connection", and "connection" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected, or indirectly connected through an intermediate medium, and it can be the communication inside two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific situations.

Claims

1. A roll-type air bubble film precision feeding device, comprising a mounting frame (3), an air expansion shaft end (6), and an air expansion shaft body (9), characterized in that: Circular baffles (1) are provided on both sides of the air expansion shaft body (9), a connecting sleeve (7) is installed on one side of the circular baffle (1), an assembly groove (19) is formed inside the connecting sleeve (7), a reserved hole (13) is provided in the top of the connecting sleeve (7), an adjustment groove (16) is provided in one side of the air expansion shaft end (6), guide rails (17) are fixed on both sides of the inner wall of the adjustment groove (16), a positioning rod (12) is inserted in the adjustment groove (16), a limiting plate (14) is fixed at the outside of the positioning rod (12) near the top, a reset spring (15) is connected to the outside of the positioning rod (12) at a position between the limiting plate (14) and the air expansion shaft end (6), and guide blocks (18) are fixed at both sides of the positioning rod (12) near the bottom.

2. A roll-type bubble film precision feeding device according to claim 1, characterized in that: The guide rail (17) passes through the interior of the guide block (18), and a sliding connection is formed between the guide rail (17) and the guide block (18).

3. A roll-type bubble film precision feeding device according to claim 1, characterized in that: The guide rails (17) are symmetrically distributed with respect to the central axis of the adjustment slot (16), and the guide blocks (18) are symmetrically distributed with respect to the central axis of the positioning rod (12).

4. The roll-type bubble film precision feeding device according to claim 1, characterized in that: The diameter of the positioning rod (12) is smaller than the inner diameter of the reserved hole (13), and the diameter of the limiting plate (14) is larger than the inner diameter of the reserved hole (13).

5. The roll-type bubble film precision feeding device according to claim 1, characterized in that: The circular baffles (1) are symmetrically distributed about the central axis of the air-expanding shaft body (9), and a rolled air bubble film (2) is wound around the outside of the air-expanding shaft body (9).

6. The roll-type bubble film precision feeding device according to claim 1, characterized in that: A driving motor (5) is installed at the bottom of the mounting frame (3), and a regulating valve (4) is installed on one side of the mounting frame (3).

7. The roll-type bubble film precision feeding device according to claim 1, characterized in that: The circular baffle (1) is provided with a reserved groove (8) inside, and the inside of the reserved groove (8) is connected with an embedded groove (10).

8. The roll-type bubble film precision feeding device according to claim 7, characterized in that: A ball (11) is embedded in the embedding groove (10), and the embedding groove (10) is distributed in a ring shape with respect to the center of the reserved groove (8).

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