CN216905476U

CN216905476U - Vacuum etching suction pipe height lifting device

Info

Publication number: CN216905476U
Application number: CN202220400775.8U
Authority: CN
Inventors: 林其龙; 陈坚明; 刘国平; 梁力平
Original assignee: Xunde Technology Guangdong Co ltd
Current assignee: Xunde Technology Guangdong Co ltd
Priority date: 2022-02-24
Filing date: 2022-02-24
Publication date: 2022-07-05
Anticipated expiration: 2032-02-24

Abstract

The utility model discloses a vacuum etching straw height lifting device which comprises a box body, wherein a conveying device used for conveying a PCB is arranged in the box body, spraying devices capable of spraying liquid medicine are respectively arranged on the upper side and the lower side of the conveying device, a vacuum water absorption device capable of absorbing the liquid medicine on the PCB surface and lifting is further arranged on the upper side of the conveying device, and a lifting device capable of driving the vacuum water absorption device to lift is connected to the vacuum water absorption device. The utility model has the advantages of simple structure, low cost and capability of freely adjusting the height of the vacuum etching suction pipe.

Description

Vacuum etching suction pipe height lifting device

Technical Field

The utility model relates to the technical field of PCB (printed circuit board) etching, in particular to a vacuum etching suction pipe height lifting device.

Background

In the process of pattern etching in PCB circuit board production, the liquid medicine needs to be sprayed on the PCB, and the residual liquid medicine on the PCB needs to be absorbed by a vacuum suction pipe. Present vacuum etching straw in the existing market is often fixed, and the transmission gyro wheel that is used for conveying the PCB board is pressed close to the height of vacuum etching straw, and is 1 to 2mm higher than the transmission gyro wheel, and apart from the height of PCB board promptly for fixed height, can not adjust. If the PCB is thick, the PCB collides with the vacuum etching suction pipe during transmission through the roller, so that material clamping is caused.

The present invention has been made based on such a situation.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects of the prior art and provides the vacuum etching suction pipe height lifting device which is simple in structure, low in cost and capable of freely adjusting the height of the vacuum etching suction pipe.

The utility model is realized by the following technical scheme:

in order to solve the technical problem, the utility model provides a vacuum etching straw height lifting device which comprises a box body, wherein a conveying device used for conveying a PCB is arranged in the box body, spraying devices capable of spraying liquid medicine are respectively arranged on the upper side and the lower side of the conveying device, a vacuum water sucking device capable of sucking the liquid medicine on the PCB and lifting is further arranged on the upper side of the conveying device, and a lifting device capable of driving the vacuum water sucking device to lift is connected to the vacuum water sucking device.

In order to further solve the technical problem to be solved by the utility model, in the vacuum etching straw height lifting device provided by the utility model, the lifting device comprises a transversely arranged linear driver and a vertically arranged lifting rod, the lower end of the lifting rod is fixedly connected to the vacuum water absorption device, and a conversion mechanism capable of converting the action of the output end of the linear driver into the lifting motion of the lifting rod is arranged between the output end of the linear driver and the upper end of the lifting rod.

In order to further solve the technical problem to be solved by the utility model, in the vacuum etching straw height lifting device provided by the utility model, the conversion mechanism comprises a swing rod, the tail end of the linear driver is hinged on the box body, the output end of the linear driver is directly or indirectly connected with the swing rod in a rotating manner, the linear driver can drive the swing rod to swing up, down, left and right on a vertical plane, the upper end of the lifting rod is provided with a conversion block, the conversion block is provided with a horizontal strip-shaped limiting hole, the swing rod is connected with a shaft head which can be inserted into the strip-shaped limiting hole and can slide in the bar-shaped limiting hole, and the lifting rod is provided with a guide structure which can only limit the lifting rod to lift.

In order to further solve the technical problem to be solved by the utility model, in the vacuum etching straw height lifting device provided by the utility model, the switching mechanism further comprises a limiting rod, the upper end and the lower end of the limiting rod are respectively and rotatably connected to the box body and the swing rod, and the limiting rod enables the swing rod to swing around the rotating axis at the lower end of the limiting rod on a vertical plane.

In order to further solve the technical problem to be solved by the utility model, in the vacuum etching straw height lifting device provided by the utility model, the guide structure comprises a guide block fixed on the box body, a guide hole is formed in the guide block, and the lifting rod penetrates through the guide hole and can slide up and down in the guide hole.

In order to further solve the technical problem to be solved by the utility model, in the vacuum etching suction pipe height lifting device provided by the utility model, the vacuum water suction device comprises a lifting frame, a vacuum suction pipe capable of being connected with a vacuum source is arranged on the lifting frame, and the lower end of the lifting rod is fixed on the lifting frame.

In order to further solve the technical problem to be solved by the utility model, in the vacuum etching straw height lifting device provided by the utility model, at least two lifting rods are arranged on the lifting frame and are uniformly distributed on the periphery of the lifting frame, at least two swing rods are arranged, a linkage rod for connecting the output end of the linear driver and the swing rods is arranged between the output end of the linear driver and the swing rods, the output end of the linear driver is hinged in the middle of the linkage rod, and two ends of the linkage rod are rotatably connected with different swing rods.

In order to further solve the technical problem to be solved by the utility model, in the vacuum etching straw height lifting device provided by the utility model, lifting rods are arranged at four corners of the lifting frame.

In order to further solve the technical problem to be solved by the present invention, in the vacuum etching suction pipe height lifting device provided by the present invention, a plurality of vacuum suction pipes are arranged on the lifting frame, and each vacuum suction pipe is provided with a plurality of vacuum suction heads.

In order to further solve the technical problem to be solved by the present invention, in the vacuum etching straw height lifting device provided by the present invention, the conveying device comprises a plurality of conveying roller sets and a drive thereof.

Compared with the prior art, the utility model has the following advantages:

1. the utility model has wider adaptability, and can produce thinner PCB boards and thicker PCB boards. Specifically, the vacuum water absorption device is integrally lifted by the lifting device, so that the thickness of the PCB is adapted, namely when a thicker PCB is produced, the vacuum water absorption device is driven by the lifting device to ascend for a certain distance, the vacuum water absorption device is prevented from colliding with the PCB, and material clamping is avoided; and when producing thinner PCB board, thereby the lifting device drive vacuum water absorption device descends and is close to the PCB board, and vacuum water absorption device presses close to but contactless near the PCB board promptly to better siphoning away remains liquid medicine, and the effect of absorbing water is better. The utility model has simple structure and low cost, and can improve the production speed.

2. The linear driver of the utility model is transversely arranged (namely horizontally arranged or approximately horizontally arranged), and the linear driver drives the lifting rod to lift, thereby driving the vacuum water absorption device to lift. The lifting device is simple in structure, the power of the lifting device is set in the horizontal direction of the linear driver, the horizontal thrust is converted into the vertical lifting force through the conversion mechanism, the height space is effectively saved, and the reduction of the volume occupation of equipment is facilitated.

3. The power of the lifting device is a single linear driver, and the power is uniformly transmitted to each conversion mechanism through the linkage rods, so that each lifting rod is uniformly lifted, each lifting rod simultaneously drives the lifting frame to move up and down, and the lifting frame is stably lifted. Therefore, the structure is simple, the cost is low, the lifting speed is high, and the movement is stable.

Drawings

The following detailed description of embodiments of the utility model is provided in conjunction with the appended drawings, in which:

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is an exploded view of the present invention (the case not shown);

figure 3 is an exploded view of the lifting device and vacuum suction device.

Detailed Description

In order to make the technical solutions of the present invention better understood by those skilled in the art, the present invention will be further described in detail with reference to the accompanying drawings and the detailed description.

As shown in fig. 1-3, a high hoisting device of vacuum etching straw, including box 1, be equipped with conveyer 2 that is used for carrying the PCB board in the box 1, both sides are equipped with spray set 3 that can spray liquid medicine respectively about

conveyer

2, 2 upsides of conveyer still are equipped with the vacuum water absorption device 4 that can absorb the liquid medicine on the PCB face and can go up and down, be connected with lifting device 5 that can drive its lift on the vacuum water absorption device 4.

The utility model has wider adaptability, and can produce thinner PCB boards and thicker PCB boards. Specifically, the vacuum water absorption device 4 is integrally lifted by the lifting device 5, so that the thickness of the PCB is adapted, namely when a thicker PCB is produced, the lifting device 5 drives the vacuum water absorption device 4 to ascend for a certain distance, the vacuum water absorption device 4 is prevented from colliding with the PCB, and material clamping is avoided; and when producing thinner PCB board, thereby lifting device 5 drive vacuum water absorption device 4 descends and is close to the PCB board, and vacuum water absorption device 4 presses close to but contactless near the PCB board promptly to better siphoning away remains liquid medicine, and the effect of absorbing water is better. The utility model has simple structure and low cost, and can improve the production speed.

In a more specific embodiment of the present invention, the lifting device 5 comprises a horizontally arranged linear actuator 52 and a vertically arranged lifting rod 54, the lower end of the lifting rod is fixedly connected to the vacuum water absorption device 4, and a conversion mechanism capable of converting the motion of the output end of the linear actuator 52 into the lifting motion of the lifting rod 54 is arranged between the output end of the linear actuator 52 and the upper end of the lifting rod 54. The linear driver 52 is transversely arranged (i.e. horizontally arranged or approximately horizontally arranged), and the linear driver 52 drives the lifting rod 54 to lift through the conversion mechanism, so as to drive the vacuum water absorption device 4 to lift. The lifting device is simple in structure, the power of the lifting device 5 is the linear driver 52 which is arranged in the approximately horizontal direction, the approximately horizontal thrust is converted into the vertical lifting force through the conversion mechanism, the height space is effectively saved, and the occupied volume of equipment is reduced.

In a more specific embodiment of the present invention, the conversion mechanism includes a swing rod 51, the tail end of the linear actuator 52 is hinged to the box 1, the output end of the linear actuator 52 is directly or indirectly connected to the swing rod 51 in a rotating manner (the output end of the linear actuator 52 may be directly and rotatably connected to the swing rod 51, or a linkage rod 56 is arranged between the output end of the linear actuator 52 and the swing rod 51, which will be described in detail later), the linear actuator 52 can drive the swing rod 51 to swing up and down and left and right on a vertical plane, a conversion block 53 is arranged at the upper end of the lifting rod 54, a horizontal bar-shaped limiting hole 531 is arranged on the conversion block 53, the swing rod 51 is connected to a shaft head 511 which can be inserted into the bar-shaped limiting hole 531 and can slide therein, and a guiding structure which can limit the lifting rod 54 to only lift up and down is arranged on the lifting rod 54. Namely, the linear actuator 52 drives the swing link 51 to swing up, down, left and right on a vertical plane, the lifting rod 54 can only move up and down due to the limiting action of the guiding structure, and the spindle nose 511 is in sliding connection with the strip-shaped limiting hole 531 in the horizontal direction, so that the swing link 51 only drives the lifting rod 54 to lift when swinging, namely, the conversion mechanism converts the motion of the output end of the linear actuator 52 into the lifting motion of the lifting rod 54.

The linear actuator 52 is preferably a pneumatic cylinder or an electric push rod.

In a more specific embodiment of the present invention, the conversion mechanism further comprises a limiting rod 57, the upper end and the lower end of the limiting rod 57 are respectively rotatably connected to the box body 1 and the swing rod 51, and the limiting rod 57 enables the swing rod 51 to swing on a vertical plane around a rotating axis of the lower end of the limiting rod 57. That is, the limit rod 57 makes the swing rod 51 move around the shaft (the movement radius is the distance between the rotation centers of the upper and lower ends of the limit rod 57), the movement is uniform and regular, and the limit rod 57 can limit the movement of the linear driver 52 (such as an air cylinder) within the stroke, so as to avoid the impact generated when the linear driver moves to the maximum stroke, and thus, the movement stability of the lifting rod 54 is facilitated.

In a more specific embodiment of the present invention, the guiding structure comprises a guiding block 55 fixed on the box body 1, the guiding block 55 is provided with a guiding hole, and the lifting rod 54 is inserted into the guiding hole and can slide up and down therein. That is, the guide hole restricts the lifting rod 54 from being lifted up and down only.

In a more specific embodiment of the present invention, the vacuum water absorption device 4 comprises a lifting frame 41, a vacuum suction pipe 42 capable of connecting a vacuum source is arranged on the lifting frame 41, and the lower end of the lifting rod 54 is fixed on the lifting frame 41. The vacuum suction tube 42 is close to the PCB board surface to better suck away the residual liquid medicine.

In a more specific embodiment of the present invention, at least two lifting rods 54 are disposed on the lifting frame 41 and are uniformly distributed around the lifting frame 41, at least two swing rods 51 are disposed on two opposite sides of the lifting frame 41, respectively, the output end of the linear driver 52 is indirectly connected to the swing rods 51 in a rotating manner, that is, a linkage rod 56 for connecting the output end of the linear driver 52 and the swing rods 51 is disposed between the output end of the linear driver 52 and the swing rods 51, the output end of the linear driver 52 is hinged to the middle portion of the linkage rod 56, and two ends of the linkage rod 56 are rotatably connected to different swing rods 51. That is, the power of the lifting device 5 is a single linear driver 52, and the power is uniformly transmitted to each conversion mechanism through the linkage rod 56, so that each lifting rod 54 is uniformly lifted, each lifting rod 54 simultaneously drives the lifting frame 41 to move up and down, and the lifting frame 41 is stably lifted. Therefore, the structure is simple, the cost is low, the lifting speed is high, and the movement is stable.

In a more specific embodiment of the present invention, in order to make the lifting frame 41 lift more smoothly, the lifting rods 54 are provided at four corners of the lifting frame 41.

In a more specific embodiment of the present invention, a plurality of vacuum suction pipes 42 are provided on the lifting frame 41, and a plurality of vacuum suction heads 421 are provided on each of the vacuum suction pipes 42. Thus, the vacuum suction heads 421 are uniformly distributed between the conveying rollers of the conveying device 2, and can uniformly suck residual liquid medicine in each area on the PCB surface.

In a more specific embodiment of the present invention, the conveying device 2 includes several conveying roller sets and their drives, and the conveying roller sets are mainly used for conveying PCB boards.

It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. A vacuum etching suction pipe height lifting device is characterized in that: including box (1), be equipped with conveyer (2) that are used for carrying the PCB board in box (1), both sides are equipped with spray set (3) that can spray liquid medicine respectively about conveyer (2), conveyer (2) upside still is equipped with vacuum water absorption device (4) that can absorb on the PCB face liquid medicine and can go up and down, be connected with lifting device (5) that can drive its lift on vacuum water absorption device (4).

2. The vacuum etching pipette height raising device as set forth in claim 1, wherein: the lifting device (5) comprises a transversely arranged linear driver (52) and a vertically arranged lifting rod (54), the lower end of the lifting rod is fixedly connected to the vacuum water absorption device (4), and a conversion mechanism capable of converting the motion of the output end of the linear driver (52) into the lifting motion of the lifting rod (54) is arranged between the output end of the linear driver (52) and the upper end of the lifting rod (54).

3. The vacuum etching pipette height raising device as set forth in claim 2, wherein: the conversion mechanism comprises a swing rod (51), the tail end of the linear driver (52) is hinged to the box body (1), the output end of the linear driver (52) is rotatably connected with the swing rod (51), the linear driver (52) can drive the swing rod (51) to swing up and down, left and right, the upper end of the lifting rod (54) is provided with a conversion block (53), the conversion block (53) is provided with a bar-shaped limiting hole (531) in the horizontal direction, the swing rod (51) is connected with a shaft head (511) which can be inserted into the bar-shaped limiting hole (531) and can slide in the bar-shaped limiting hole, and the lifting rod (54) is provided with a guide structure for limiting the lifting rod (54) to enable the lifting rod to lift up and down only.

4. The vacuum etching pipette height raising device as set forth in claim 3, wherein: the conversion mechanism further comprises a limiting rod (57), the upper end and the lower end of the limiting rod (57) are respectively connected to the box body (1) and the swing rod (51) in a rotating mode, and the swing rod (51) can swing around a rotating shaft center at the lower end of the limiting rod (57) on a vertical plane through the limiting rod (57).

5. The vacuum etching pipette height raising device as set forth in claim 3, wherein: the guide structure comprises a guide block (55) fixed on the box body (1), a guide hole is formed in the guide block (55), and the lifting rod (54) penetrates through the guide hole and can slide up and down in the guide hole.

6. The vacuum etching pipette height raising device as set forth in claim 3, wherein: the vacuum water absorption device (4) comprises a lifting frame (41), a vacuum suction pipe (42) capable of being connected with a vacuum source is arranged on the lifting frame (41), and the lower end of the lifting rod (54) is fixed on the lifting frame (41).

7. The vacuum etching pipette height raising device as set forth in claim 6, wherein: the lifting frame (41) is at least provided with two lifting rods (54) and uniformly distributed on the periphery of the lifting frame (41), the swing rods (51) are at least two, a linkage rod (56) for connecting the two is arranged between the output end of the linear driver (52) and the swing rods (51), the output end of the linear driver (52) is hinged to the middle of the linkage rod (56), and the two ends of the linkage rod (56) are rotatably connected with different swing rods (51).

8. The vacuum etching pipette height raising device as set forth in claim 7, wherein: lifting rods (54) are arranged at four corners of the lifting frame (41).

9. The vacuum etching pipette height raising device as set forth in claim 6, wherein: the vacuum suction pipes (42) on the lifting frame (41) are provided with a plurality of vacuum suction heads (421), and each vacuum suction pipe (42) is provided with a plurality of vacuum suction heads.

10. The vacuum etching pipette height raising mechanism as claimed in any one of claims 1 to 9, wherein: the conveying device (2) comprises a plurality of conveying roller groups and drives thereof.