Automatic aligning mechanism for PCB assembly
Technical Field
The utility model relates to a technical field of PCB assembly, in particular to automatic aligning mechanism of PCB board assembly.
Background
Aiming at the high-power electronic device arranged on the larger radiator, the high-power electronic device needs to be assembled separately, and then the high-power electronic device is assembled, and the traditional assembling mode is as follows: 1. the industrial vision (CCD) is adopted for guiding, the PCB is grabbed by the manipulator, and the assembly is finished in a product (a pin hole on the PCB needs to penetrate through a pin of a high-power electronic device), so that the structure is complex, and the cost is high; 2, directly grabbing the PCB by a clamp on the manipulator, guiding the PCB by using a positioning pin on the clamp and a positioning hole on a carrier of the PCB, and assembling the PCB into a product (a pin hole on the PCB needs to penetrate through a pin of a high-power electronic device), wherein when the method is operated on a production line, the position precision of positioning positions of different carriers is inconsistent, the carrier on the production line can be clamped or cannot be installed in the assembly process of the PCB, and the carrier on the production line can be taken up when the manipulator resets (the positioning pin on the manipulator is staggered with the positioning hole on the carrier, and the insertion and the extraction are not smooth); the utility model provides a utility model PCB board assembles automatic alignment mechanism to promote the application and the development of PCB trade.
The chinese patent with publication number CN208812128U discloses a PCB board suction manipulator and a PCB board loading and unloading device, wherein the PCB board suction manipulator comprises a connecting piece, a limiting plate, a plurality of adjusting plates, a plurality of suckers and a lifting cylinder; the side wall of the lifting cylinder is fixedly connected with the connecting piece, and the bottom of the lifting cylinder is fixedly connected with the middle part of the limiting plate; the adjusting plate is perpendicular to the limiting plate and is fixedly connected with the limiting plate through the middle of the adjusting plate; the limiting plate is provided with a long sliding groove, and the adjusting plate can slide through the sliding groove of the limiting plate; the regulating plate is equipped with rectangular spout, the spout of sucking disc accessible limiting plate slides, and in the patent literature, it is right to can be according to the PCB size the sucking disc connecting piece is relative the position of limiting plate is adjusted, through screwing and screw rod complex nut, makes the sucking disc connecting piece with regulating plate fixed connection to be suitable for not unidimensional PCB board product, the position precision of the carrier location of nevertheless difference can be inconsistent, and the manual regulation limiting plate position has certain error, and untimely correction position takes place easily to counterpoint not accurate enough and leads to the phenomenon of collision or screens.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that overcome prior art not enough, provide a PCB board assembly automatic alignment mechanism that the location is accurate, transport PCB board is effectual and can effectively prevent hard collision phenomenon emergence.
The utility model adopts the technical proposal that: the utility model discloses a fixed subassembly, propelling movement subassembly, flexible assembly, bottom plate, correction subassembly and vacuum adsorption subassembly, the propelling movement subassembly is located on the fixed subassembly, be equipped with on the propelling movement subassembly with the flexible assembly that the bottom plate transmission is connected, the correction subassembly with the vacuum adsorption subassembly is all installed on the bottom plate, the flexible assembly includes guide pillar, locking ring, excellent cushion gum, tapering piece and latch segment, the locking ring is located on the top of guide pillar, excellent cushion gum locates on the lower extreme of locking ring, the tapering piece is located on the bottom of guide pillar, be equipped with the cavity in the tapering piece, be equipped with the spring on the cavity, the one end of spring with the tapering piece is connected, the other end of spring with the latch segment is connected.
Furthermore, the fixed component comprises two rib plates arranged on the pushing component in parallel, a connecting plate arranged between the two rib plates and a fixed sleeve arranged on the connecting plate.
Further, propelling movement subassembly includes mounting panel, cylinder, a plurality of guide bar and a plurality of bracing piece, the mounting panel respectively with fixed subassembly is connected, the cylinder is located on the mounting panel, the transmission end of cylinder runs through the mounting panel and with the bottom plate transmission is connected, a plurality of guide bar and a plurality of the bracing piece is all located the mounting panel is and all runs through the bottom plate.
Furthermore, one end of the support rod is provided with a buffer glue layer.
Furthermore, a plurality of wire passing sleeves are arranged on the bottom plate.
Furthermore, the correcting assembly comprises a plurality of carrier positioning pins and a plurality of product positioning pins, and the carrier positioning pins and the product positioning pins are distributed on the bottom plate.
Furthermore, the quantity of vacuum adsorption subassembly is a plurality of, a plurality of the vacuum adsorption subassembly is all including locating mounting on the bottom plate and locating sucking disc on the mounting, the sucking disc is connected with vacuum generator.
The utility model discloses following beneficial effect has:
an automatic alignment mechanism for PCB assembly comprises a fixed assembly, a pushing assembly, a flexible assembly, a bottom plate, a correction assembly and a vacuum adsorption assembly, wherein the pushing assembly is arranged on the fixed assembly, the pushing assembly is provided with the flexible assembly in transmission connection with the bottom plate, the correction assembly and the vacuum adsorption assembly are both arranged on the bottom plate, the flexible assembly comprises a guide pillar, a locking ring, a high-quality buffer adhesive, a taper block and a locking block, the locking ring is arranged on the top of the guide pillar, the high-quality buffer adhesive is arranged on the lower end of the locking ring, the taper block is arranged on the bottom of the guide pillar, a cavity is arranged in the taper block, a spring is arranged on the cavity, one end of the spring is connected with the taper block, the other end of the spring is connected with the locking block, so when the pushing assembly drives the bottom plate to move towards a carrier direction bearing a product, because the taper block with be equipped with between the latch segment the spring makes the bottom plate is elasticity floating structure, makes when correction subassembly contacts with the carrier, can automatic correction, prevents that the too hard collision from leading to damaging the condition emergence of spare part.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
FIG. 2 is an exploded view of the present invention;
FIG. 3 is a schematic structural diagram of the push assembly portion;
FIG. 4 is a schematic structural view of the calibration assembly;
FIG. 5 is a schematic structural view of the flexible assembly;
fig. 6 is a schematic structural view of the vacuum adsorption assembly.
Detailed Description
As shown in fig. 1 to 6, in this embodiment, the present invention includes a fixing component 1, a pushing component 2, a flexible component 3, a bottom plate 4, a calibration component 5 and a vacuum absorption component 6, wherein the pushing component 2 is disposed on the fixing component 1, the pushing component 2 is provided with the flexible component 3 in transmission connection with the bottom plate 4, the calibration component 5 and the vacuum absorption component 6 are both mounted on the bottom plate 4, the flexible component 3 includes a guide pillar 31, a locking ring 32, a good buffer glue 33, a taper block 34 and a locking block 35, the locking ring 32 is disposed on the top of the guide pillar 31, the good buffer glue 33 is disposed on the lower end of the locking ring 32, the taper block 34 is disposed on the bottom of the guide pillar 31, a cavity is disposed in the taper block 34, a spring 36 is disposed on the cavity, and one end of the spring 36 is connected with the taper block 34, the other end of the spring 36 is connected to the locking block 35.
According to the scheme, the pushing assembly 2 drives the bottom plate 4 to move towards the direction of the carrier, so that the vacuum adsorption assembly 6 and the correction assembly 5 move along with the bottom plate 4, when the correction assembly 5 is in contact with the carrier, the spring 36 is arranged between the taper block 34 and the locking block 35, so that the flexible assembly 3 is of an elastic floating structure, the position can be automatically corrected in the process that the correction assembly 5 is in contact with the carrier, when the bottom plate 4 is attached to the carrier, the vacuum generator is started to enable the vacuum adsorption assembly 6 to adsorb PCB products on the carrier, and then the pushing assembly 2 drives the bottom plate 4 to reset, so that the effect of carrying the PCB products is achieved; in this design, the guide post 31 penetrates the mounting plate 21 and is connected to the bottom plate 4, and the high-strength buffer glue 33 is disposed on the upper end surface of the mounting plate 21 to perform the functions of buffering and damping.
Preferably, as shown in fig. 1 and 2, the fixing assembly 1 includes two ribs 11 arranged in parallel on the pushing assembly 2, a connecting plate 12 arranged between the two ribs 11, and a fixing sleeve 13 arranged on the connecting plate 12.
It can be seen from the above solution that the arrangement of the rib plate 11, the connecting plate 12 and the fixing sleeve 13 provides the path for installing the device of the present invention.
A preferable scheme is that, as shown in fig. 2 and fig. 3, the pushing assembly 2 includes a mounting plate 21, an air cylinder 22, a plurality of guide rods 23 and a plurality of support rods 24, the mounting plate 21 is respectively connected with the fixing assembly 1, the air cylinder 22 is disposed on the mounting plate 21, a driving end of the air cylinder 22 penetrates through the mounting plate 21 and is in driving connection with the bottom plate 4, and the plurality of guide rods 23 and the plurality of support rods 24 are both disposed on the mounting plate 21 and both penetrate through the bottom plate 4; one end of the support rod 24 is provided with a buffer glue layer 25.
According to the scheme, when the air cylinder 22 drives the bottom plate 4 to move towards the direction of the carrier, the support rod 24 is preferentially contacted with the carrier, and due to the arrangement of the buffer glue layer 25, the scratch-resistant effect is achieved; one end of the guide rod 23 is provided with an inclined structure, and the inclined structure plays a role in guiding and correcting the position.
In a preferable scheme, as shown in fig. 4, a plurality of wire guide sleeves 41 are arranged on the bottom plate 4.
According to the scheme, the wire passing sleeve 41 is arranged to facilitate the passing of the electric wire.
Preferably, as shown in fig. 4, the calibration assembly 5 includes a plurality of carrier positioning pins 51 and a plurality of product positioning pins 52, and the plurality of carrier positioning pins 51 and the plurality of product positioning pins 52 are distributed on the base plate 4.
As can be seen from the above solution, the arrangement of the carrier positioning pin 51 and the product positioning pin 52 plays a role in guiding and correcting.
Preferably, as shown in fig. 6, the number of the vacuum suction assemblies 6 is several, each of the several vacuum suction assemblies 6 includes a fixing member 61 disposed on the bottom plate 4 and a suction cup 62 disposed on the fixing member 61, and the suction cup 62 is connected to a vacuum generator.
As can be seen from the above solution, through the arrangement of a plurality of the suckers 62, a plurality of positions can adsorb PCB products, and the PCB products are suitable for PCB products with more sizes.
The utility model discloses a theory of operation:
the air cylinder 22 drives the bottom plate 4 to move towards the direction of a carrier carrying a PCB product, the vacuum adsorption component 6 and the correction component 5 move along with the bottom plate 4 until the support rod 24 is contacted with the carrier, the buffer glue layer 25 plays a role of buffering, then the guide rod 23 plays a role of guiding, so that the bottom plate 4 can approach the carrier according to a certain path, then the carrier positioning pin 51 and the product positioning pin 52 play a role of guiding, and the spring 36 is arranged between the taper block 34 and the locking block 35, so that the flexible component 3 is of an elastic floating structure, so that the position of the carrier positioning pin 51 and the product positioning pin 52 can be automatically corrected in the process of contacting the carrier, when the bottom plate 4 is attached to the carrier, the vacuum adsorption component 6 adsorbs the PCB product on the carrier by starting a vacuum generator, the pushing assembly 2 then drives the base plate 4 to reset.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the described embodiments. It will be apparent to those skilled in the art that various changes, modifications, substitutions and alterations can be made in the embodiments without departing from the principles and spirit of the invention, and the scope of the invention is to be accorded the full scope of the claims.