阅读说明：本技术 一种pcb电路板活塞升降机构 (PCB circuit board piston elevating system ) 是由 马伟 石秀青 于 2018-08-10 设计创作，主要内容包括：本发明公开了一种PCB电路板活塞升降机构，包括基座，所述基座的上方设有支撑板，所述支撑板的上端固定连接有液压缸，所述支撑板与基座之间设有缓冲机构，所述液压缸的活塞杆末端固定连接有安装板，所述安装板的上端固定设有PCB电路板，所述支撑板的上端与安装板的下端之间的两侧均设有升降加稳机构。本发明能够增加PCB电路板上升的稳定性，使得PCB电路板与FPC金手指之间精准贴合完成电路导通。(The invention discloses a piston lifting mechanism of a PCB (printed circuit board), which comprises a base, wherein a supporting plate is arranged above the base, the upper end of the supporting plate is fixedly connected with a hydraulic cylinder, a buffer mechanism is arranged between the supporting plate and the base, the tail end of a piston rod of the hydraulic cylinder is fixedly connected with a mounting plate, the upper end of the mounting plate is fixedly provided with the PCB, and two sides between the upper end of the supporting plate and the lower end of the mounting plate are respectively provided with a lifting stabilizing mechanism. The invention can increase the stability of the PCB to make the PCB and the FPC golden finger accurately fit to complete circuit conduction.)

1. The utility model provides a PCB circuit board piston elevating system, includes base (1), its characterized in that, the top of base (1) is equipped with backup pad (2), upper end fixedly connected with pneumatic cylinder (3) of backup pad (2), be equipped with buffer gear between backup pad (2) and base (1), the terminal fixedly connected with mounting panel (4) of piston rod of pneumatic cylinder (3), the fixed PCB circuit board (5) that is equipped with in upper end of mounting panel (4), both sides between the upper end of backup pad (2) and the lower extreme of mounting panel (4) all are equipped with to go up and down to add steady mechanism.

2. The PCB circuit board piston lifting mechanism is characterized in that the buffering mechanism comprises a plurality of cavities which are arranged inside the base (1) and are located right below the supporting plate (2), the cavities are arranged in an annular shape, a plurality of extrusion plates (6) are slidably connected inside the cavities, first springs (7) are fixedly connected to the lower ends of the extrusion plates (6), the lower ends of the first springs (7) are fixedly connected with the bottoms of the cavities respectively, extrusion rods (8) are fixedly connected to the upper ends of the extrusion plates (6) vertically, and the upper ends of the extrusion rods (8) penetrate through the upper sides of the cavities respectively and are fixedly connected with the lower ends of the supporting plate (2).

3. The PCB piston lifting mechanism of claim 2, wherein a second spring (9) is movably sleeved on a portion of the rod wall of the plurality of the extrusion rods (8) between the base (1) and the support plate (2).

4. The PCB piston lifting mechanism according to claim 1, wherein the lifting and stabilizing mechanism comprises a fixed tube (10) vertically and fixedly arranged at the upper end of the support plate (2), a moving rod (11) is movably arranged inside the fixed tube (10), the upper end of the moving rod (11) extends to the outside of the fixed tube (10) and is fixedly connected with the lower end of the mounting plate (4), two sliding blocks (12) are symmetrically and fixedly connected with the lower end of the rod wall of the moving rod (11), strip-shaped sliding grooves are respectively formed in positions, corresponding to the two sliding blocks (12), of the inner wall of the fixed tube (10), and are respectively in sliding connection with the two sliding blocks (12).

5. The PCB piston lifting mechanism according to claim 4, wherein a fixing ring (13) is fixedly connected to the upper end of the fixing tube (10), a plurality of universal balls (14) arranged in a ring shape are fixedly connected to the inner wall of the fixing ring (13), and the universal balls (14) are in contact with the rod wall of the moving rod (11) in an abutting mode.

6. A PCB circuit board piston lifting mechanism according to claim 2, wherein there are at least six of the cavities.

Technical Field

The invention relates to the technical field of PCB (printed circuit board), in particular to a piston lifting mechanism of a PCB.

Background

At present, an external FPC (flexible printed circuit) interface of a common backlight plate is generally positioned on the outer side of the backlight plate, and a good visual space is provided for the product FPC to observe the conduction state of the product FPC and a PCB (printed circuit board) circuit when the product FPC is lighted (automatically and manually). When the FPC is conducted with the PCB circuit, the PCB circuit board is driven to move by the PCB circuit board piston lifting mechanism and is attached to the FPC golden finger to complete the conduction of the circuit.

However, the existing piston lifting mechanism for the PCB is poor in stability, so that the attaching precision of the PCB and the FPC golden finger is reduced, and the FPC and the PCB cannot be normally conducted. Therefore, the invention designs a PCB piston lifting mechanism.

Disclosure of Invention

The invention aims to solve the problem that in the prior art, the lifting stability of a piston lifting mechanism of a PCB is poor, so that the attaching precision of the PCB and an FPC golden finger is reduced, and the FPC and a PCB circuit cannot be normally conducted.

In order to achieve the purpose, the invention adopts the following technical scheme:

the utility model provides a PCB circuit board piston elevating system, includes the base, the top of base is equipped with the backup pad, the upper end fixedly connected with pneumatic cylinder of backup pad, be equipped with buffer gear between backup pad and the base, the terminal fixedly connected with mounting panel of piston rod of pneumatic cylinder, the fixed PCB circuit board that is equipped with in upper end of mounting panel, both sides between the upper end of backup pad and the lower extreme of mounting panel all are equipped with the lift and add steady mechanism.

Preferably, buffer gear is including setting up in the inside of base and all being located a plurality of cavities under the backup pad, and a plurality of the cavity is the annular setting, and is a plurality of the equal sliding connection in inside of cavity has the stripper plate, and is a plurality of the first spring of the equal fixedly connected with of lower extreme of stripper plate, it is a plurality of the lower extreme of first spring respectively with a plurality of the bottom fixed connection of cavity, it is a plurality of the equal vertical fixedly connected with stripper rod in upper end of stripper plate, it is a plurality of the upper end of stripper rod runs through a plurality of respectively the upside of cavity and all with the lower extreme fixed connection of backup pad.

Preferably, a second spring is movably sleeved on the part, located between the base and the support plate, of the rod wall of the plurality of the extrusion rods.

Preferably, go up and down to add steady mechanism and include the fixed pipe of vertical fixed setting in the backup pad upper end, the inside activity of fixed pipe is equipped with the carriage release lever, the upper end of carriage release lever extend to the outside of fixed pipe and with the lower extreme fixed connection of mounting panel, two sliders of the pole wall lower extreme symmetry fixedly connected with of carriage release lever, the inner wall and two of fixed pipe the position of slider corresponds the department and has all seted up the bar spout, two the bar spout respectively with two slider sliding connection.

Preferably, the upper end fixedly connected with of fixed pipe is solid fixed ring, gu fixed ring's inner wall fixedly connected with is a plurality of universal ball that are the annular setting, and is a plurality of universal ball all offsets with the pole wall of carriage release lever and contacts.

Preferably, at least six of said cavities are present.

Compared with the prior art, the invention provides a PCB circuit board piston lifting mechanism, which has the following beneficial effects:

1. this PCB circuit board piston elevating system, through the buffer gear who sets up between base and backup pad, when the backup pad receives vibrations, can make the stripper bar pass through stripper plate extrusion first spring and backup pad extrusion second spring, can make the backup pad have the buffering effect, the influence of external impact force to the pneumatic cylinder has been reduced, add steady mechanism through the lift that sets up in the backup pad upper end, when the piston rod of pneumatic cylinder drives the mounting panel and rises, can make the carriage release lever pass through the inside removal of slider at the bar spout, and then can increase the stability that PCB circuit board rises, make accurate laminating accomplish the circuit between PCB circuit board and the FPC golden finger and switch on.

2. This PCB circuit board piston elevating system through set up at solid fixed ring of fixed pipe upper end and the fixed universal ball who sets up in solid fixed ring inside, can increase the stability that the carriage release lever removed to increase the stability that PCB circuit board goes up and down.

The parts which are not involved in the device are the same as or can be realized by adopting the prior art, and the lifting stability of the PCB can be improved, so that the PCB and the FPC golden finger can be accurately attached to complete circuit conduction.

Drawings

Fig. 1 is a schematic structural diagram of a PCB piston lifting mechanism according to the present invention;

FIG. 2 is an enlarged view of a portion A of FIG. 1;

fig. 3 is a schematic structural view of the fixing ring in fig. 1.

In the figure: the device comprises a base 1, a supporting plate 2, a hydraulic cylinder 3, a mounting plate 4, a PCB 5, a squeezing plate 6, a first spring 7, a squeezing rod 8, a second spring 9, a fixing pipe 10, a moving rod 11, a sliding block 12, a fixing ring 13 and universal balls 14.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Referring to fig. 1-3, a PCB piston elevating mechanism comprises a base 1, the base 1 is fixedly connected with a moving mechanism, a supporting plate 2 is disposed above the base 1, a hydraulic cylinder 3 is fixedly connected to the upper end of the supporting plate 2, the hydraulic cylinder 3 is connected with an external hydraulic pump through a conduit, which is a prior art, and therefore, detailed description is omitted, a buffer mechanism is disposed between the supporting plate 2 and the base 1, the buffer mechanism comprises a plurality of cavities disposed inside the base 1 and all located right below the supporting plate 2, the plurality of cavities are annularly disposed, at least six cavities are formed, extrusion plates 6 are slidably connected inside the plurality of cavities, first springs 7 are fixedly connected to the lower ends of the extrusion plates 6, the lower ends of the first springs 7 are fixedly connected to the bottoms of the plurality of cavities, extrusion rods 8 are vertically and fixedly connected to the upper ends of the extrusion plates 6, the upper ends of a plurality of extrusion rods 8 respectively penetrate through the upper sides of a plurality of cavities and are fixedly connected with the lower end of a support plate 2, the part of the rod wall of the extrusion rods 8, which is positioned between a base 1 and the support plate 2, is movably sleeved with a second spring 9, a buffer mechanism can enable the support plate 2 to have a buffer effect, and the influence of external impact force on a hydraulic cylinder 3 is reduced, the tail end of a piston rod of the hydraulic cylinder 3 is fixedly connected with a mounting plate 4, the upper end of the mounting plate 4 is fixedly provided with a PCB 5, the two sides between the upper end of the support plate 2 and the lower end of the mounting plate 4 are respectively provided with a lifting and stabilizing mechanism, the lifting and stabilizing mechanism comprises a fixed pipe 10 vertically and fixedly arranged at the upper end of the support plate 2, the inner part of the fixed pipe 10 is movably provided with a movable rod 11, the upper end of the movable rod 11 extends to the outer part of, the inner wall of fixed pipe 10 corresponds the department with the position of two sliders 12 and has all seted up the bar spout, two bar spouts respectively with two sliders 12 sliding connection, the solid fixed ring 13 of upper end fixedly connected with of fixed pipe 10, a plurality of universal ball 14 that are the annular setting of the inner wall fixedly connected with of solid fixed ring 13, and a plurality of universal ball 14 all with the pole wall counterbalance contact of carriage release lever 11, can increase the stability that carriage release lever 11 removed to increase the stability that PCB circuit board 5 goes up and down.

In the invention, when the support plate 2 is vibrated in use, the extrusion rod 8 can extrude the first spring 7 and the support plate 2 extrudes the second spring 9 through the extrusion plate 6, the support plate 2 can have a buffering effect, the influence of external impact force on the hydraulic cylinder 3 is reduced, when the piston rod of the hydraulic cylinder 3 drives the mounting plate 4 to ascend, the moving rod 11 can move in the bar-shaped sliding groove through the sliding block 12, the ascending stability of the PCB 5 can be further increased, and the PCB 5 and the FPC golden finger can be precisely attached to complete circuit conduction.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.