CN111268408A

CN111268408A - Automatic board receiving frame for PCB

Info

Publication number: CN111268408A
Application number: CN201911369645.1A
Authority: CN
Inventors: 彭茶妹
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-12-26
Filing date: 2019-12-26
Publication date: 2020-06-12

Abstract

The invention discloses an automatic board receiving frame for a PCB (printed circuit board), which comprises a material frame vehicle and a board receiving box, wherein a plurality of layers of supporting side conveying belts which are opposite in pairs in the front and back directions are arranged on the front and back inner walls of the board receiving box in the vertical direction, the supporting side conveying belts are horizontally supported by a plurality of supporting rolling shafts which are rotationally fixed on the front and back inner walls of the board receiving box, side wall belt openings are formed in the front and back panels of the board receiving box, push belts are arranged in the side wall belt openings, the front and back surfaces of the push belts respectively extend out of the front and back openings of the side wall belt openings, a driving mechanism for driving the supporting side conveying belts to rotate and rub is arranged on the inner walls of the front and back panels of the; according to the invention, the automatic lifting board receiving box can automatically carry out layered board receiving action on the conveying belt for conveying the PCB, the supporting edge conveying belt, the pushing belt and the friction belt pulley can smoothly push the PCB into the board receiving box for laying, manual board conveying and material stacking are not needed, and the efficiency of board receiving of the PCB is greatly improved.

Description

Automatic board receiving frame for PCB

Technical Field

The invention particularly relates to a PCB board connecting device, in particular to an automatic board connecting frame for a PCB board.

Background

In PCB paster production, the PCB of worn-out fur passes through soldering tin printing machine, the chip mounter, device such as soldering tin drying furnace forms the semi-manufactured goods PCB board that has electronic components after accomplishing, the PCB board is carried output and relies on the manual work to pile up the workbin and collects by the conveyer belt, generally at the in-process of pay-off, the PCB worn-out fur generally all is equipped with autoloading's work or material rest car, but because semi-manufactured goods PCB board is behind the ejection of compact, self is heavier, the component is more, send into the workbin by the conveyer belt, the PCB board can't rely on in the totally smooth and easy entering workbin of inertia, consequently lack dedicated receiving device and carry out the fishplate bar to semi-manufactured goods PCB board at present, need consume the.

Therefore, in order to solve the problems, an automatic material receiving device for the semi-finished PCB is needed.

Disclosure of Invention

The present invention is directed to an automatic board receiving frame for PCB boards, so as to solve the problems mentioned in the background art.

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

an automatic plate receiving frame for PCB plates comprises a material frame vehicle and a plate receiving box, wherein the top of the material frame vehicle is provided with a material box cavity with an opening at the left side and the top, the bottom of the material frame vehicle is supported by a plurality of supporting wheels, a handrail is fixed on the right side wall of the material frame vehicle, the plate receiving box for receiving the plates is installed in the material box cavity through a lifting mechanism, the plate receiving box is provided with an open box frame at the left side, a plurality of layers of supporting edge conveying belts which are opposite in the front and the back are arranged in the vertical direction of the front and the back inner walls of the plate receiving box, the supporting edge conveying belts are horizontally supported by a plurality of supporting rolling shafts which are rotatably fixed on the front and the back inner walls of the plate receiving box, a plurality of side wall belt openings which are parallel to the supporting edge conveying belts are formed in the front and the back panels of the plate receiving box, the side wall belt openings are respectively positioned at one side above the supporting edge conveying belts, the push belt and the supporting edge conveying belt are perpendicular to each other, driving supporting edge conveying belt rotating friction driving mechanisms are arranged on the inner walls of the front panel and the rear panel of the material rack vehicle, and controllers for controlling the lifting mechanisms and the friction driving mechanisms to act are installed below the handrails.

Further scheme: the lifting mechanism comprises a lifting motor, a lifting lead screw, a lead screw slider and a limiting mechanism, wherein the lifting motor is inversely installed on a lifting frame, the control end of the lifting motor is electrically connected with the output end of a controller, the lifting frame is horizontally fixed on the top of the inner wall of the right side of the stock frame vehicle, the lifting lead screw is vertically rotated and fixed between the lifting frame and the inner bottom surface of the stock frame vehicle, a motor shaft of the lifting motor is fixedly connected with the lifting lead screw, the lead screw slider is sleeved on the lifting lead screw in a penetrating manner by a thread, the left side wall of the lead screw slider is fixedly connected with the bottom of the right side wall of the plate receiving box, and the limiting mechanism for limiting the rotation of the lead screw slider is arranged on the.

Further scheme: stop gear is including fixing the connecting rod at lead screw slider right side wall, the vertical spacing groove of having seted up of right side panel inner wall of magazine car, slide in the spacing groove and be connecting spacing slider, the right-hand member of connecting rod penetrates the spacing inslot and fixes on spacing slider's left side wall.

Further scheme: the lifting motor is a servo motor.

Further scheme: the push belt is in transmission connection with the two push belt wheels, the push belt wheels are vertically fixed between the inner bottom surface and the inner top surface of the side wall belt opening, a plurality of buffer plates which are opposite to the supporting edge conveying belt in height are mounted on the right side wall of the plate receiving box, and the buffer plates are fixed on the right side wall of the plate receiving box through springs.

Further scheme: the friction driving mechanism comprises a friction belt pulley and a pushing motor, the pushing motor is installed on a pushing rack, the control end of the pushing motor is electrically connected with the output end of the controller, the pushing rack is horizontally fixed on the inner side walls of the front panel and the rear panel of the material rack vehicle respectively, the friction belt pulley is horizontally fixed on a motor shaft of the pushing motor, and the friction belt pulley is in friction connection with the pushing belt.

Further scheme: the top and the bottom of the friction belt pulley are provided with arc bulges.

Further scheme: and the supporting wheel is provided with a self-locking mechanism.

Compared with the prior art, the invention has the beneficial effects that: according to the invention, the automatic lifting board receiving box can automatically carry out layered board receiving action on the conveying belt for conveying the PCB, the supporting edge conveying belt, the pushing belt and the friction belt pulley can smoothly push the PCB into the board receiving box for laying, manual board conveying and material stacking are not needed, and the efficiency of board receiving of the PCB is greatly improved.

Drawings

Fig. 1 is a schematic structural view of an automatic receiving plate frame for a PCB board.

Fig. 2 is a view showing the installation position of the pushing motor in the automatic receiving rack for PCB boards.

Fig. 3 is a schematic view of a push belt structure inside a side wall belt opening in an automatic receiving frame for a PCB board.

Fig. 4 is a schematic structural view of a friction pulley in an automatic pick-up frame for PCB boards.

In the figure: the automatic plate-connecting and conveying device comprises a material rack vehicle 1, supporting wheels 10, handrails 11, a lifting rack 12, a limiting groove 13, a controller 14, a plate-connecting box 2, a supporting edge conveying belt 20, supporting rollers 21, side wall belt openings 22, a pushing belt wheel 23, a pushing belt 24, a buffer plate 25, a lifting motor 3, a lifting screw rod 30, a screw rod slide block 31, a connecting rod 32, a limiting slide block 33, a pushing motor 4, a friction belt wheel 40 and a pushing rack 41.

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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1

Referring to fig. 1 to 4, in the embodiment of the invention, an automatic board receiving frame for PCB boards comprises a rack vehicle 1 and a board receiving box 2, wherein the top of the rack vehicle 1 is provided with a left side and a top part provided with an open material box cavity, the bottom of the rack vehicle 1 is supported by a plurality of supporting wheels 10, a handrail 11 is fixed on the right side wall of the rack vehicle 1, the board receiving box 2 for receiving boards is installed in the material box cavity through a lifting mechanism, the board receiving box 2 is a box frame with an open left side, a plurality of layers of supporting edge conveyor belts 20 which are opposite in a front-back direction are arranged on the front-back inner wall of the board receiving box 2 in a vertical direction, the supporting edge conveyor belts 20 are horizontally supported by a plurality of supporting rollers 21 which are rotatably fixed on the front-back inner wall of the board receiving box 2, a plurality of side wall belt openings 22 which are parallel to the supporting edge conveyor belts 20 are arranged on the front-back panel of the board receiving box 2, the side wall belt openings, be equipped with push belt 24 in the side wall area mouth 22, the front and back opening around the side wall area mouth 22 is stretched out respectively to push belt 24 front and back, and push belt 24 sets up with supporting limit transport area 20 mutually perpendicular, be equipped with the drive on the panel inner wall around the magazine wagon 1 and support limit transport area 20 and rotate friction actuating mechanism, the controller 14 of control elevating system and friction actuating mechanism action is installed to the below of handrail 11.

The lifting mechanism comprises a lifting motor 3, a lifting screw rod 30, screw

rod sliding blocks

31 and 26, the lifting motor 3 is arranged on a lifting frame 12 in an inverted mode, the control end of the lifting motor 3 is electrically connected with the output end of a controller 14, the lifting frame 12 is horizontally fixed at the top of the inner wall of the right side of the material frame vehicle 1, the lifting screw rod 30 is vertically and rotatably fixed between the lifting frame 12 and the inner bottom surface of the material frame vehicle 1, a motor shaft of the lifting motor 3 is fixedly connected with the lifting screw rod 30, the screw rod sliding block 31 is sleeved on the lifting screw rod 30 in a penetrating mode through threads, the left side wall of the screw rod sliding block 31 is fixedly connected with the bottom of the right side wall of the board receiving box 2 through 26, a limiting mechanism for limiting the rotation of the screw rod sliding block 31 is arranged on the right side wall of the material frame vehicle 1, the lifting motor 3 is driven to rotate by driving the lifting screw rod sliding block 31 to slide up and down on the lifting screw rod 30, thereby driving the connecting board box 2 to realize upgrading action.

Stop gear is including fixing the connecting rod 32 at the lead screw slider 31 right side wall, the vertical spacing groove 13 of having seted up of right side panel inner wall of magazine car 1, slide block 33 in the spacing groove 13, the right-hand member of connecting rod 32 penetrates in the spacing groove 13 and fixes on the left side wall of spacing slider 33, and the connecting rod 32 and the spacing slider 33 that set up can carry out the rotation at lead screw slider 31 now to when lift lead screw 30 rotated, lead screw slider 31 can only be at lift lead screw 30 up-and-down sliding motion.

Lifting motor 3 is servo motor, and lifting motor 3 sets up to servo motor and mainly makes things convenient for the rotation angle to 3 motor shafts of lifting motor to carry out accurate control to the realization is to the accurate control of 2 lifting height of butt joint plate box.

Friction actuating mechanism includes friction belt pulley 40 and propelling movement motor 4, propelling movement motor 4 is installed in propelling movement frame 41, and the control end of propelling movement motor 4 links to each other with the output of controller 14 electricity, and propelling movement frame 41 level is fixed respectively on the inside wall of panel around the stock frame car 1, friction belt pulley 40 is being fixed to the motor shaft level of propelling movement motor 4, friction belt pulley 40 meets with propelling movement belt 24 friction.

The supporting wheels 10 are provided with self-locking mechanisms, and the supporting wheels 10 with self-locking can ensure the integral stability of the material rack vehicle 1 during working.

The working principle of the invention is as follows: when the PCB pushing and stacking device is used, the material rack vehicle 1 is pushed to the tail end of a conveyor belt for discharging PCBs, the top surface of a supporting edge conveyor belt 20 at the bottommost part of a board receiving box 2 and the top surface of the conveyor belt for conveying the PCBs are kept at the same horizontal plane, the PCBs are directly conveyed to two opposite supporting edge conveyor belts 20 of the board receiving box 2 by the conveyor belt to be directly erected and stacked, a lifting motor 3 is arranged to control a corner through a controller 14 to realize quantitative interval height reduction of the board receiving box 2, the board receiving box 2 adopts a bottom-to-top stacking mode, when the PCBs are pushed to the space between the supporting edge conveyor belts 20 to be erected and placed, in order to ensure that the PCBs can completely enter the board receiving box 2, a pushing motor 4 is arranged to drive a friction belt pulley 40 to rotate, the friction belt pulley 40 drives a pushing belt 24 to rotate through friction force, the pushing belt 24 continuously pushes the side edges of the PCBs at the side edges of the supporting, when the single-layer supporting edge conveying belt 20 is fully paved with the PCBs horizontally, the board receiving box 2 descends through the lifting mechanism, the upper empty two pairs of supporting edge conveying belts 20 continue to carry out board receiving action on the PCBs, therefore, the automatic lifting type PCB receiving machine can automatically carry out layered board receiving action on the conveying belts for conveying the PCBs through the board receiving box 2 with automatic lifting, the arranged supporting edge conveying belts 20, the push belt 24 and the friction belt pulley 40 can smoothly push the PCBs into the board receiving box 2 to be laid, manual board feeding and stacking are not needed, and the efficiency of PCB board receiving is greatly improved.

Example 2

This example differs from example 1 in that:

the push belt 24 is in transmission connection with two push belt wheels 23, the push belt wheels 23 are vertically fixed between the inner bottom surface and the inner top surface of the side wall belt opening 22, a plurality of buffer plates 25 which are opposite to the supporting edge conveying belt 20 in height are mounted on the right side wall of the joint plate box 2, and the buffer plates 25 are fixed on the right side wall of the joint plate box 2 through springs.

The top and the bottom of the friction belt pulley 40 are provided with arc bulges, the arc bulges mainly prevent the vertical belt surface of the push belt 24 from directly colliding the top surface of the friction belt pulley 40 when the connecting plate box 2 moves up and down, and the wheel surface of the friction belt pulley 40, which is in friction contact with the push belt 24, cannot be in normal friction connection with the push belt 24.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The automatic board receiving frame for the PCB comprises a material frame vehicle (1) and a board receiving box (2), wherein the top of the material frame vehicle (1) is provided with a material box cavity with an opening at the left side and the top, the bottom of the material frame vehicle (1) is supported by a plurality of supporting wheels (10), a handrail (11) is fixed on the right side wall of the material frame vehicle (1), the board receiving box (2) for receiving the board is arranged in the material box cavity through a lifting mechanism, and the board receiving box (2) is a box frame with an opening at the left side;

the automatic plate conveying device is characterized in that a plurality of layers of supporting edge conveying belts (20) which are opposite in the front and the back are arranged in the vertical direction of the front and the back inner walls of the plate connecting box (2) in a pairwise manner, the supporting edge conveying belts (20) are horizontally supported by a plurality of supporting rollers (21) which are rotatably fixed on the front and the back inner walls of the plate connecting box (2), a plurality of side wall belt openings (22) which are parallel to the supporting edge conveying belts (20) are formed in the front and the back panels of the plate connecting box (2), the side wall belt openings (22) are respectively positioned on one sides above the supporting edge conveying belts (20), a push belt (24) is arranged in each side wall belt opening (22), the front and the back of the push belt (24) respectively extend out of the front and back openings of the side wall belt openings (22), the push belt (24) and the supporting edge conveying belts (20) are arranged in a mutually perpendicular manner, and driving supporting edge conveying belts, and a controller (14) for controlling the actions of the lifting mechanism and the friction driving mechanism is arranged below the handrail (11).

2. The automatic board receiving frame for the PCB as recited in claim 1, wherein the lifting mechanism comprises a lifting motor (3), a lifting screw rod (30), a screw rod slider (31) and a lifting screw rod (26), the lifting motor (3) is installed on a lifting frame (12) in an inverted manner, a control end of the lifting motor (3) is electrically connected with an output end of the controller (14), the lifting frame (12) is horizontally fixed on the top of the inner wall of the right side of the material frame vehicle (1), the lifting screw rod (30) is vertically and rotationally fixed between the lifting frame (12) and the inner bottom surface of the material frame vehicle (1), a motor shaft of the lifting motor (3) is fixedly connected with the lifting screw rod (30), the screw rod slider (31) is threaded on the lifting screw rod (30) in a penetrating manner, the left side wall of the screw rod slider (31) is fixedly connected with the bottom position of the right side of the board receiving box (2) through the lifting screw rod slider (26), and a limiting mechanism for limiting the rotation of the screw rod sliding block (31) is arranged on the right side wall of the material rack vehicle (1).

3. The automatic receiving rack for the PCB as claimed in claim 2, wherein the limiting mechanism comprises a connecting rod (32) fixed on the right side wall of the screw rod sliding block (31), the inner wall of the right side panel of the rack vehicle (1) is vertically provided with a limiting groove (13), the limiting sliding block (33) is clamped in the limiting groove (13), and the right end of the connecting rod (32) penetrates into the limiting groove (13) and is fixed on the left side wall of the limiting sliding block (33).

4. The automatic rack interface for PCB boards according to claim 2 characterized in that the lifting motor (3) is a servo motor.

5. The automatic board receiving frame for the PCB board as claimed in claim 1, wherein the push belt (24) is in transmission connection with two push belt wheels (23), the push belt wheels (23) are vertically fixed between the inner bottom surface and the inner top surface of the side wall belt opening (22), a plurality of buffer boards (25) which are opposite to the supporting edge conveying belt (20) in height are installed on the right side wall of the board receiving box (2), and the buffer boards (25) are fixed on the right side wall of the board receiving box (2) through springs.

6. The automatic board receiving frame for the PCB as in any one of claims 1 to 5, wherein the friction driving mechanism comprises a friction belt pulley (40) and a push motor (4), the push motor (4) is installed on a push rack (41), a control end of the push motor (4) is electrically connected with an output end of the controller (14), the push rack (41) is horizontally fixed on the inner side walls of the front panel and the rear panel of the material frame vehicle (1), the friction belt pulley (40) is horizontally fixed on a motor shaft of the push motor (4), and the friction belt pulley (40) is in friction connection with the push belt (24).

7. The automatic board receiving rack for PCB board as claimed in claim 6, wherein the top and bottom of the friction pulley (40) are provided with circular arc protrusions.

8. The automatic board receiving rack for PCB board as claimed in any of claims 1-5, wherein the supporting wheel (10) is provided with a self-locking mechanism.