CN210678758U - Universal suction device for rapidly switching large and small PCB (printed circuit board) - Google Patents

Abstract

The utility model provides a PCB big or small board fast switch over's general suction means, including first sucking disc, second sucking disc and relative height guiding mechanism, the second sucking disc encloses to close around the first sucking disc, the adsorption plane of first sucking disc, second sucking disc all is the horizontal plane setting, relative height guiding mechanism respectively with first sucking disc, second sucking disc are connected, relative height guiding mechanism drives the adsorption plane of first sucking disc, second sucking disc is reciprocating motion between first position, second position. The utility model has the advantages that: set up first sucking disc, second sucking disc, the second sucking disc encloses to close around first sucking disc, and the relative height between the adsorption plane of accessible relative height guiding mechanism adjustment first sucking disc, second sucking disc, when both are in the second position, the first sucking disc of accessible adsorbs the platelet, and when both are in the first position, the accessible second sucking disc adsorbs the big board with first sucking disc jointly, and the commonality is higher.

Description

A universal suction device for rapid switching of PCB size boards

technical field

The utility model relates to a suction device, in particular to a general suction device for rapid switching of PCB size boards.

Background technique

At present, in the back-end PCB manufacturing process such as cleaning line, tinning line, OSP line, etc., the size of the board usually ranges from 50*50mm to 600*600mm, and even some PCB board manufacturers will make the size of the board larger due to customer product requirements. small or larger. When these processes are used to close the board, the traditional method of picking up the board is mostly used, that is, using multiple suction cups and fittings with suction cups to pick up the board. Although different sizes of plates can be satisfied, the position of the suction cup needs to be adjusted. In the case of frequently changing boards of different sizes, and the board has hollows, adjusting the suction cups will be relatively troublesome and time-consuming.

SUMMARY OF THE INVENTION

In order to solve the problems in the prior art, the utility model provides a general suction device for quick switching of PCB size boards.

The utility model provides a universal suction device for rapid switching of PCB size plates, comprising a first suction cup, a second suction cup and a relative height adjustment mechanism, the second suction cup is enclosed around the first suction cup, and the first suction cup is surrounded by the first suction cup. The suction surfaces of the first suction cup and the second suction cup are arranged in a horizontal plane, the relative height adjustment mechanism is connected with the first suction cup and the second suction cup respectively, and the relative height adjustment mechanism drives the first suction cup and the second suction cup. The suction surface reciprocates between a first position and a second position, the first position is that the suction surfaces of the first suction cup and the second suction cup are on the same horizontal plane, and the second position is the suction of the second suction cup The surface is higher than the adsorption surface of the first suction cup.

As a further improvement of the present invention, the second suction cup is enclosed in a frame shape.

As a further improvement of the present invention, the first suction cup is connected with a first bracket, the second suction cup is connected with a second bracket, a first guide mechanism is connected between the first suction cup and the first bracket, the A second guide mechanism is connected between the second suction cup and the second bracket.

As a further improvement of the present invention, a spring buffer mechanism is provided on the first guide mechanism, and the spring buffer mechanism is sandwiched between the first suction cup and the first bracket.

As a further improvement of the present invention, the second guide mechanism is slidably connected with a sliding connection block, the relative height adjustment mechanism is fixed on the second bracket, and the relative height adjustment mechanism is connected to the other through the sliding connection block. The first suction cup is connected.

As a further improvement of the present invention, the relative height adjustment mechanism includes a quick-clamp swing arm, a rotating bracket and a telescopic rod, the rotating bracket is fixed on the second bracket, and the quick-clamp swing arm is connected to the The rotating bracket is rotatably connected, the swing arm of the quick clamp is provided with a convex pendulum block, the convex pendulum block is rotatably connected with the top of the telescopic rod, and the bottom of the telescopic rod is connected with the sliding connection block, The rotation axis of the quick clamp swing arm and the rotating bracket is the first rotation axis, the rotation axis of the convex pendulum block and the top of the telescopic rod is the second rotation axis, the first rotation axis, The second axis of rotation does not coincide.

As a further improvement of the present invention, the second guide mechanism is provided with a spring pre-compression mechanism, and the spring pre-compression mechanism is sandwiched between the second bracket and the sliding connection block.

As a further improvement of the present invention, both the first suction cup and the second suction cup are connected with a vacuum airflow connection port.

The beneficial effects of the present utility model are: through the above scheme, a first suction cup and a second suction cup are arranged, the second suction cup is enclosed around the first suction cup, and the suction surfaces of the first suction cup and the second suction cup can be adjusted by the relative height adjustment mechanism The relative height between the two, when the two are in the second position, the small plate can be adsorbed by the first suction cup, and when the two are in the first position, the large plate can be jointly adsorbed by the second suction cup and the first suction cup, which is more versatile. high, and fast switching can be achieved with high efficiency.

Description of drawings

FIG. 1 is a schematic diagram of a general-purpose suction device for rapid switching of PCB size boards according to the present invention.

FIG. 2 is a schematic diagram of a universal suction device for quick switching of PCB size boards according to the present invention.

FIG. 3 is a partial schematic diagram of a general-purpose suction device for rapid switching of PCB size boards according to the present invention.

4 is a schematic diagram of the first suction cup and the second suction cup of a universal suction device for quick switching of PCB size boards according to the present invention, which are located on different horizontal planes.

5 is a schematic diagram of the first suction cup and the second suction cup of a universal suction device for quick switching of PCB size boards according to the present invention, which are located on the same horizontal plane.

Detailed ways

The present utility model will be further described below in conjunction with the accompanying drawings and specific embodiments.

As shown in Fig. 1 to Fig. 5, a universal suction device for quick switching of PCB size boards includes a first suction cup 1 with a small suction cup surface, a second suction cup 2 with a large suction cup surface, and a relative height adjustment mechanism 3. The The second suction cup 2 is enclosed around the first suction cup 1 , the suction surfaces of the first suction cup 1 and the second suction cup 2 are both arranged in a horizontal plane, and the relative height adjustment mechanism 3 is respectively connected to the first suction cup 1 . The second suction cup 2 is connected, and the relative height adjustment mechanism 3 is used to adjust the relative height between the first suction cup 1 and the second suction cup 2. The relative height adjustment mechanism 3 drives the suction of the first suction cup 1 and the second suction cup 2. The surface reciprocates between the first position and the second position, the first position is that the suction surfaces of the first suction cup 1 and the second suction cup 2 are on the same horizontal plane (see Figure 5), and the second position is the The suction surface of the second suction cup 2 is higher than the suction surface of the first suction cup 1 (see FIG. 4 ).

As shown in FIG. 1 to FIG. 5 , the second suction cup 2 is enclosed in a frame shape. As shown in FIG. 1 , the second suction cup 2 is a frame (it may also be a ring frame or a frame of other shapes), and the first suction cup 2 is a frame. A suction cup 1 is located inside the frame and is in the shape of a flat plate. When the two are in the second position, the small plate can be sucked by the first suction cup 1. When the two are in the first position, they can pass through the second suction cup 2 and the first suction cup A suction cup 1 jointly absorbs the large plate, which has high versatility, and can realize fast switching and high efficiency.

As shown in FIG. 1 to FIG. 5 , the first suction cup 1 is connected with a first bracket 6 , the second suction cup 2 is connected with a second bracket 7 , and the first suction cup 1 and the first bracket 6 are connected with a For the first guide mechanism, a second guide mechanism is connected between the second suction cup 2 and the second bracket 7 .

As shown in FIG. 1 to FIG. 5 , a spring buffer mechanism 8 is provided on the first guide mechanism, and the spring buffer mechanism 8 is sandwiched between the first suction cup 1 and the first bracket 6 . The spring buffer mechanism 8 When it is used to pick up the PCB, it is more conducive to pick up the board by skipping the pressing board.

As shown in FIGS. 1 to 5 , the second guide mechanism is slidably connected with a sliding connection block 10 , the relative height adjustment mechanism 3 is fixed on the second bracket 7 , and the relative height adjustment mechanism 3 passes through the The sliding connection block 10 is connected with the first suction cup 1, that is, the upper part of the relative height adjustment mechanism 3 is fixed on the second bracket 7, and the lower part is connected with the first suction cup 1, so as to adjust the relative height of the two, the first guide Both the mechanism and the second guide mechanism can be realized by adopting a guide post and guide sleeve structure.

As shown in FIG. 1 to FIG. 5 , the relative height adjustment mechanism 3 includes a quick clamp swing arm 31 , a rotating bracket 33 and a telescopic rod 34 , the rotating bracket 33 is fixed on the second bracket 7 , and the quick The clamp swing arm 31 is rotatably connected with the rotating bracket 33 , the quick clamp swing arm 31 is provided with a convex swing block 32 , and the convex swing block 32 is rotatably connected with the top of the telescopic rod 34 , so The bottom of the telescopic rod 34 is connected to the sliding connection block 10 , the rotation axis of the quick clamp swing arm 31 and the rotating bracket 33 is the first rotation axis, and the convex pendulum block 32 is connected to the telescopic rod The rotating shaft at the top of 34 is the second rotating shaft, the first rotating shaft and the second rotating shaft are not coincident, and the relative height adjustment mechanism can be adjusted by adjusting the distance between the first rotating shaft and the second rotating shaft. Adjustment of the relative height difference between the suction cup 1 and the second suction cup 2.

As shown in FIG. 1 to FIG. 5 , the second guide mechanism is provided with a spring preloading mechanism 9 , and the spring preloading mechanism 9 is sandwiched between the second bracket 7 and the sliding connection block 10 . The preloading mechanism 9 is used to ensure the stability of the large suction cup surface.

As shown in FIG. 1 to FIG. 5 , the first suction cup 1 and the second suction cup 2 are connected with vacuum airflow connection ports 4 and 5 , which can be connected to the SCARCA robot through the connecting clamp block 11 , and can be designed according to different forms. Install the connector.

The above content is a further detailed description of the present invention in conjunction with specific preferred embodiments, and it cannot be considered that the specific implementation of the present invention is limited to these descriptions. For those of ordinary skill in the technical field of the present invention, without departing from the concept of the present invention, some simple deductions or substitutions can be made, which should be regarded as belonging to the protection scope of the present invention.

Claims (8)

1. A universal suction device for quick switching of PCB size plates, characterized in that: comprising a first suction cup, a second suction cup and a relative height adjustment mechanism, the second suction cup is enclosed around the first suction cup, and the The suction surfaces of the first suction cup and the second suction cup are arranged in a horizontal plane, the relative height adjustment mechanism is respectively connected with the first suction cup and the second suction cup, and the relative height adjustment mechanism drives the first suction cup and the second suction cup. The suction surface reciprocates between a first position and a second position, the first position is that the suction surfaces of the first suction cup and the second suction cup are on the same horizontal plane, and the second position is the suction cup of the second suction cup. The adsorption surface is higher than the adsorption surface of the first suction cup. 2 . The universal suction device for quickly switching between large and small boards of a PCB according to claim 1 , wherein the second suction cups are enclosed to form a frame shape. 3 . 3 . The universal suction device for quick switching of PCB size boards according to claim 1 , wherein the first suction cup is connected with a first support, the second suction cup is connected with a second support, and the first suction cup is connected with a second support. 4 . and a first guide mechanism is connected between the first brackets, and a second guide mechanism is connected between the second suction cup and the second bracket. 4 . The universal suction device for quick switching of large and small PCB boards according to claim 3 , wherein a spring buffer mechanism is provided on the first guide mechanism, and the spring buffer mechanism is clamped on the first suction cup. 5 . , between the first bracket. 5 . The universal suction device for quick switching of PCB size boards according to claim 3 , wherein the second guide mechanism is slidably connected with a sliding connection block, and the relative height adjustment mechanism is fixed on the second bracket. 6 . , the relative height adjustment mechanism is connected with the first suction cup through the sliding connection block. 6. The universal suction device for quick switching of PCB size boards according to claim 5, wherein the relative height adjustment mechanism comprises a quick clamp swing arm, a rotating bracket and a telescopic rod, and the rotating bracket is fixed on the On the second bracket, the quick-clamp swing arm is rotatably connected to the rotating support, and the quick-clamp swing arm is provided with a convex swing block, which is rotatably connected to the top of the telescopic rod , the bottom of the telescopic rod is connected with the sliding connection block, the rotation axis of the quick clamp swing arm and the rotating bracket is the first rotation axis, and the convex pendulum block is connected to the top of the telescopic rod. The rotation axis is the second rotation axis, and the first rotation axis and the second rotation axis do not coincide. 7 . The universal suction device for quick switching of large and small PCBs according to claim 6 , wherein a spring preloading mechanism is provided on the second guide mechanism, and the spring preloading mechanism is sandwiched between the first and second guide mechanisms. 8 . Between the two brackets and the sliding connection block. 8 . The universal suction device for quickly switching between large and small boards of a PCB according to claim 1 , wherein the first suction cup and the second suction cup are both connected with a vacuum airflow connection port. 9 .

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