Printed circuit board feeding auxiliary device

Abstract

The utility model relates to the technical field of printed circuit board processing, in particular to a printed circuit board feeding auxiliary device which comprises an auxiliary frame arranged at the feeding end of a board feeding machine body and a composite carrier plate placed on the upper end face of the auxiliary frame and used for stacking PCBs, and the auxiliary frame is provided with a space allowing a lifting arm to penetrate through in a sliding mode. The lower end face of the composite carrying table plate abuts against the upper end face of the lifting arm, the auxiliary frame is provided with a first limiting side rod, a second limiting side rod and a limiting front rod, the first limiting side rod penetrates through the composite carrying table plate in a sliding mode in the vertical direction and abuts against the outer wall of one side of the PCB, the second limiting side rod abuts against the outer wall of the other side of the PCB, the limiting front rod abuts against the outer wall of the front side of the PCB, and the outer wall of the rear side of the PCB abuts against the mounting plate. The PCB fixing device has the effect of reducing the possibility of dislocation of the fallen PCB.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of printed circuit board processing, in particular to a printed circuit board loading auxiliary device. BACKGROUND

[0002] In the processing of PCB (printed circuit board), the PCB loading machine is used for loading and transporting the printed circuit board. Figure 7 The PCB loading machine includes a loading machine main body 10, a mounting plate 20 arranged at the loading end of the loading machine main body 10, a lifting frame 30 vertically slidingly connected to the mounting plate 20, a carrier plate 40 arranged on the lifting frame 30 for stacking the PCB, and a suction device 50 slidingly connected to the loading machine main body 10 along the length direction to adsorb and transfer the PCB on the carrier plate 40 to the conveying part of the loading machine main body 10.

[0003] However, due to the thin thickness and smooth surface of the PCB, the suction device occasionally adsorbs double pieces during the loading process, and the extra adsorbed PCB will fall irregularly during the lifting process due to the loss of stability, causing misalignment with the lower PCB, which seriously affects the smooth operation of the next plate adsorption. Invention content

[0004] In order to reduce the possibility of misalignment of the fallen PCB, the present application provides a printed circuit board loading auxiliary device.

[0005] The printed circuit board loading auxiliary device provided by the present application adopts the following technical scheme:

[0006] A printed circuit board loading auxiliary device includes an auxiliary frame arranged at the loading end of the loading machine main body and a composite carrier plate arranged on the upper end surface of the auxiliary frame for stacking the PCB. The auxiliary frame has a space for the lifting arm to slide through, and the lower end surface of the composite carrier plate abuts against the upper end surface of the lifting arm. The auxiliary frame is provided with a first limiting side rod vertically slidingly penetrating the composite carrier plate and abutting against one side of the outer wall of the PCB, a second limiting side rod abutting against the other side of the outer wall of the PCB, and a limiting front rod abutting against the front side of the outer wall of the PCB. The rear side of the outer wall of the PCB abuts against the mounting plate.

[0007] By adopting the above technical scheme, the auxiliary frame is additionally arranged to provide an installation carrier for the first limiting side rod, the second limiting side rod and the limiting front rod, the first limiting side rod, the second limiting side rod and the limiting front rod are respectively abutted against the left and right side outer walls of the PCB and the front side outer wall of the PCB, and the rear side outer wall of the PCB is abutted against the mounting plate, so that the position deviation of the PCB in the horizontal direction and the vertical direction can be effectively limited, and when the double-piece suction phenomenon occurs, the dropped PCB can be ensured to be kept in a predetermined area, thereby avoiding the subsequent operation difficulty caused by misplacement.

[0008] Preferably, the composite platform plate comprises a metal plate with a lower end surface abutting against an upper end surface of the auxiliary frame and a plastic plate fixedly connected to an upper end surface of the metal plate.

[0009] By adopting the above technical scheme, the metal plate enhances the rigidity and durability of the composite platform plate, and the plastic plate provides better surface flatness and anti-static performance, which helps to reduce scratches and static damage of the PCB during placement, and ensures the quality and safety of the PCB.

[0010] Preferably, the first limiting side rod and the second limiting side rod are slidably connected to the auxiliary frame in the direction of approaching or moving away from each other, a first avoiding sliding groove is provided in the upper end surface of one side of the composite platform plate for the first limiting side rod to slide through, a second avoiding sliding groove is provided in the upper end surface of the other side of the composite platform plate for the second limiting side rod to slide through, and the auxiliary frame is provided with a side rod adjusting member for adjusting the sliding position of the first limiting side rod / second limiting side rod.

[0011] By adopting the above technical scheme, the distance between the first limiting side rod and the second limiting side rod is adjusted by the side rod adjusting member to adapt to PCBs of different widths and improve the applicability of the device. At the same time, the first avoiding sliding groove and the second avoiding sliding groove provided on the composite platform plate enable the first limiting side rod and the second limiting side rod to smoothly slide, thereby ensuring the normal play of the limiting function.

[0012] Preferably, the limiting front rod is slidably connected to the auxiliary frame in the direction of approaching or moving away from the mounting plate, a front avoiding sliding groove is provided in the upper end surface of the composite platform plate for the limiting front rod to slide through, and the auxiliary frame is provided with a front rod adjusting member for adjusting the sliding position of the limiting front rod.

[0013] By adopting the above technical scheme, the sliding position of the limiting front rod is adjusted by the front rod adjusting member, so that the position of the limiting front rod can be adjusted according to PCBs of different specifications.

[0014] Preferably, the front side outer wall of the auxiliary frame is fixedly connected with a limiting front plate abutting against the front side outer wall of the composite loading platform plate, the side outer wall of the auxiliary frame is fixedly connected with a first limiting side plate abutting against the side outer wall of the composite loading platform plate, the other side outer wall of the auxiliary frame is fixedly connected with a second limiting side plate abutting against the other side outer wall of the composite loading platform plate, and the rear side outer wall of the composite loading platform plate abuts against the mounting plate.

[0015] By adopting the above technical scheme, the positioning of the composite loading platform plate is realized through cooperation of the limiting front plate, the first limiting side plate, the second limiting side plate and the mounting plate.

[0016] Preferably, the lower end surface of the composite loading platform plate is fixedly connected with a limiting strip abutting against the side wall of the lifting arm.

[0017] By adopting the above technical scheme, the lower end surface of the composite loading platform plate is fixedly connected with a limiting strip abutting against the side wall of the lifting arm, so that the composite loading platform plate can be kept stable during lifting, and the PCB plate is prevented from deviating or tilting due to shaking, thereby improving the reliability of the feeding process.

[0018] Preferably, the bottom surface of the auxiliary frame is provided with a moving wheel, and the front side outer wall of the auxiliary frame is fixedly connected with a push-pull rod.

[0019] By adopting the above technical scheme, the bottom surface of the auxiliary frame is provided with a moving wheel, so that the movement and position adjustment of the entire auxiliary device are facilitated, and the flexibility and convenience of the equipment are improved; the front side outer wall of the auxiliary frame is fixedly connected with a push-pull rod, so that the auxiliary frame can be pushed or pulled by the operator, and the use convenience is further improved.

[0020] Preferably, the two side plates of the board feeding machine body are fixedly connected with limiting guide rails, and the two side outer walls of the auxiliary frame are provided with limiting guide wheels sliding on the limiting guide rails.

[0021] By adopting the above technical scheme, the limiting guide rails and the limiting guide wheels are added, so that the auxiliary frame can stably slide on the board feeding machine body, and the stability and positioning accuracy of the auxiliary frame during movement are ensured.

[0022] In summary, the present application has the following beneficial effects:

[0023] 1. The auxiliary frame provides an installation carrier for the first limiting side rod, the second limiting side rod and the limiting front rod, the first limiting side rod, the second limiting side rod and the limiting front rod abut against the left and right side outer walls of the PCB plate and the front side outer wall of the PCB plate respectively, and the rear side outer wall of the PCB plate abuts against the mounting plate, so that the position deviation of the PCB plate in the horizontal and vertical directions can be effectively limited, and when the double-piece suction phenomenon occurs, the dropped PCB plate can be ensured to be kept in the predetermined area, and the subsequent operation difficulty caused by mispositioning is avoided.

[0024] 2. Adjust the distance between the first and second limiting side rods through the side rod adjusting member, adapt to PCB boards of different widths, and improve the applicability of the device;

[0025] 3. Adjust the sliding position of the limiting front rod through the front rod adjusting member, so that the position of the limiting front rod can be adjusted according to PCB boards of different specifications. BRIEF DESCRIPTION OF DRAWINGS

[0026] Figure 1 is a schematic diagram of the overall structure of a printed circuit board loading auxiliary device in embodiment 1;

[0027] Figure 2 is a schematic diagram of the connection structure of the auxiliary frame and the composite carrier plate in embodiment 1;

[0028] Figure 3 is a schematic diagram of the structure of the auxiliary frame in embodiment 1;

[0029] Figure 4 is a schematic diagram of the structure of the composite carrier plate in embodiment 1;

[0030] Figure 5 is Figure 4 is a local enlarged schematic diagram at A;

[0031] Figure 6 is a schematic diagram of the structure of the side rod adjusting member in embodiment 2;

[0032] Figure 7 is a schematic diagram of the structure of the PCB board feeding machine in the background art.

[0033] In the figure, 10 is a board feeding machine body; 101 is a limiting guide rail; 20 is a mounting plate; 30 is a lifting frame; 40 is a carrier plate; 50 is a suction device; 1 is an auxiliary frame; 11 is a bottom frame; 111 is a moving wheel; 112 is a fixed plate; 113 is a limiting guide wheel; 12 is a vertical column; 121 is a push-pull rod; 13 is a cross beam; 131 is a limiting front plate; 132 is a connecting beam; 133 is a front rod guide strip; 14 is an L-shaped frame; 141 is a horizontal rod; 142 is a vertical rod; 143 is a side rod guide strip; 144 is a side rod sliding block; 145 is an adjusting sliding groove; 15 is a vertical beam; 151 is a first limiting side plate; 152 is a second limiting side plate; 16 is a first limiting side rod; 17 is a second limiting side rod; 18 is a limiting front rod; 181 is a front rod sliding block; 2 is a composite carrier plate; 21 is a metal plate; 22 is a plastic plate; 23 is a limiting strip; 24 is a first avoidance sliding groove; 25 is a second avoidance sliding groove; 26 is a front avoidance sliding groove; 3 is a side rod adjusting member; 31 is a screw rod; 32 is a butterfly nut; 33 is an adjusting screw rod; 34 is a handle; and 4 is a front rod adjusting member. DETAILED DESCRIPTION

[0034] The following will be described in detail with reference to the accompanying drawings Figures 1-7Further details of the application are described below.

[0035] Embodiment 1

[0036] The embodiment of the application discloses a printed circuit board feeding auxiliary device, referring to Figure 1 , including the auxiliary frame 1 arranged on the feeding end of the board feeding machine main body 10 and below the adsorption device 50 and the composite loading platform 2 placed on the upper end face of the auxiliary frame 1 for stacking the PCB board.

[0037] Referring to Figure 1 , Figure 2 , the auxiliary frame 1 includes a square-shaped bottom frame 11, a column 12 fixedly connected to the upper end face of the four top corners of the bottom frame 11, a cross beam 13 fixedly connected between the upper parts of the adjacent two columns 12 on the front side, and a U-shaped frame 14 fixedly connected to the upper end face of the bottom frame 11. The bottom surface of the four top corners of the bottom frame 11 is provided with a moving wheel 111, which is a universal wheel. The front side outer wall between the adjacent two columns 12 on the front side is fixedly connected with a push-pull rod 121. Both side plates of the board feeding machine main body 10 are fixedly connected with a limiting guide rail 101. Both sides of the bottom frame 11 are fixedly connected with a fixed plate 112, which is provided with a limiting guide wheel 113 sliding on the limiting guide rail 101.

[0038] Referring to Figure 2 , Figure 3 , the cross beam 13 is fixedly connected with a limiting front plate 131 abutting against the front side outer wall of the composite loading platform 2. The notches of the U-shaped frame 14 are vertically arranged for the lifting arm to slide through. In this embodiment, the U-shaped frame 14 is provided with two and is spaced apart. The U-shaped frame 14 includes a cross rod 141 fixedly connected to the upper end face of the bottom frame 11 and a pair of vertical rods 142 fixedly connected to the end portions of the cross rod 141. The vertical rods 142 and the columns 12 on the rear side are fixedly connected with a longitudinal beam 15. The upper end faces of the vertical rods 142, the columns 12 on the rear side and the longitudinal beam 15 are flush. The outer wall of one of the longitudinal beams 15 is fixedly connected with a first limiting side plate 151 abutting against one side outer wall of the composite loading platform 2. The outer wall of the other longitudinal beam 15 is fixedly connected with a second limiting side plate 152 abutting against the other side outer wall of the composite loading platform 2.

[0039] Referring to Figure 3 , Figure 4The upper part of the side wall of the vertical rod 142 is fixedly connected with a side rod guide strip 143, the side rod guide strip 143 is slidably connected with a side rod sliding block 144, and the length direction of the side rod guide strip 143 is parallel to the length direction of the cross beam 13. The upper end surface of the side rod sliding block 144 located on the left side of the auxiliary frame 1 is provided with a first limiting side rod 16 abutting against one side outer wall of the PCB board, and the upper end surface of the side rod sliding block 144 located on the right side of the auxiliary frame 1 is provided with a second limiting side rod 17 abutting against the other side outer wall of the PCB board. In the embodiment, the first limiting side rod 16 / second limiting side rod 17 is threadedly connected with the side rod sliding block 144. The upper end surface of one side of the composite stage plate 2 is provided with a first avoiding sliding groove 24 through which the first limiting side rod 16 slides, and the upper end surface of the other side of the composite stage plate 2 is provided with a second avoiding sliding groove 25 through which the second limiting side rod 17 slides.

[0040] With reference to Figure 4 , Figure 5 The side rod guide strip 143 is provided with a side rod adjusting part 3 adjusting the sliding position of the side rod sliding block 144, the side rod guide strip 143 is provided with an adjusting sliding groove 145, the side rod adjusting part 3 comprises a screw rod 31 fixedly connected with the side rod sliding block 144 and slidably arranged in the adjusting sliding groove 145, and a butterfly nut 32 threadedly sleeved with the screw rod 31 and abutting against the lower end surface of the guide strip.

[0041] With reference to Figure 3 , Figure 4 The front side of the bottom frame 11 and the cross beam 13 are fixedly connected with a connecting beam 132, the connecting beam 132 is fixedly connected with a front rod guide strip 133, and the length direction of the front rod guide strip 133 is parallel to the length direction of the longitudinal beam 15. The front rod guide strip 133 is slidably connected with a front rod sliding block 181, the upper end surface of the front rod sliding block 181 is provided with a limiting front rod 18 abutting against the front side outer wall of the PCB board, and the upper end surface of the composite stage plate 2 is provided with a front avoiding sliding groove 26 through which the limiting front rod 18 slides. The front rod guide strip 133 is provided with a front rod adjusting part 4 adjusting the sliding position of the limiting front rod 18, and the front rod adjusting part 4 and the side rod adjusting part 3 are the same in structure and will not be described herein.

[0042] The composite stage plate 2 comprises a metal plate 21 abutting against the upper end surface of the auxiliary frame 1 and a plastic plate 22 fixedly connected with the upper end surface of the metal plate 21, and the lower end surface of the metal plate 21 is fixedly connected with a limiting strip 23 abutting against the side wall of the lifting arm.

[0043] The implementation principle of the printed circuit board feeding auxiliary device is as follows: in the initial state, the stacked PCBs are placed on the plastic plate 22, and the first limiting side rod 16, the second limiting side rod 17 and the limiting front rod 18 abut the left and right side walls of the PCBs and the front side wall of the PCBs respectively, then the auxiliary frame 1 is moved to the feeding area of the board feeding machine main body 10, so that the limiting guide wheel 113 slides into the limiting guide rail 101, and the rear side wall of the composite carrier plate 2 and the rear side wall of the PCB abut the mounting plate 20, at this time the lifting arm is located between the two vertical rods 142 of the L-shaped frame 14, and the limiting strip 23 abuts the opposite side walls of the two lifting arms, then the suction device 50 performs suction feeding work on the PCBs, and the lifting arm rises with the consumption of the stacked boards, thereby lifting the composite carrier plate 2 and the boards.

[0044] Embodiment 2:

[0045] The difference from embodiment 1 is that, referring to Figure 6 The side rod adjusting member 3 includes an adjusting screw rod 33 rotationally connected to the side rod guide strip 143 and a handle 34 fixedly connected to the outer end of the adjusting screw rod 33, and the adjusting screw rod 33 is threadedly arranged in the side rod sliding block 144. By rotating the adjusting screw rod 33 through the handle 34, the side rod sliding block 144 is limited by the thread of the adjusting screw rod 33 and slides.

[0046] The above are preferred embodiments of the present application, and do not limit the protection scope of the present application, so that: any equivalent changes made according to the structure, shape, principle of the present application shall be covered within the protection scope of the present application.

Claims

1. A printed circuit board loading assist device, characterized by: The utility model provides an auxiliary frame (1) and a composite loading platform (2) are arranged on the upper end of the auxiliary frame (1) and are used for stacking PCBs, the auxiliary frame (1) has a space for the lifting arm to slide through, the lower end of the composite loading platform (2) is abutted to the upper end of the lifting arm, the auxiliary frame (1) is provided with a first limiting side rod (16) sliding through the composite loading platform (2) in the vertical direction and abutted to one side of the PCB, a second limiting side rod (17) abutted to the other side of the PCB and a limiting front rod (18) abutted to the front side of the PCB, and the rear side of the PCB is abutted to the mounting plate (20).

2. The printed circuit board loading assist device of claim 1, wherein: The composite loading platform (2) comprises a metal plate (21) abutted to the upper end of the auxiliary frame (1) and a plastic plate (22) fixedly connected to the upper end of the metal plate (21).

3. The printed circuit board loading aid of claim 1, wherein: The first limiting side rod (16) and the second limiting side rod (17) are slidably connected to the auxiliary frame (1) in the direction of approaching or moving away from each other, the upper end of one side of the composite loading platform (2) is provided with a first avoiding sliding groove (24) for the first limiting side rod (16) to slide through, the upper end of the other side of the composite loading platform (2) is provided with a second avoiding sliding groove (25) for the second limiting side rod (17) to slide through, and the auxiliary frame (1) is provided with a side rod adjusting part (3) for adjusting the sliding position of the first limiting side rod (16) or the second limiting side rod (17).

4. The printed circuit board loading aid of claim 1, wherein: The limiting front rod (18) is slidably connected to the auxiliary frame (1) in the direction of approaching or moving away from the mounting plate (20), the upper end of the composite loading platform (2) is provided with a front avoiding sliding groove (26) for the limiting front rod (18) to slide through, and the auxiliary frame (1) is provided with a front rod adjusting part (4) for adjusting the sliding position of the limiting front rod (18).

5. The printed circuit board loading aid of claim 1, wherein: The upper part of the front side of the auxiliary frame (1) is fixedly connected with a limiting front plate (131) abutted to the front side of the composite loading platform (2), the upper part of one side of the auxiliary frame (1) is fixedly connected with a first limiting side plate (151) abutted to one side of the composite loading platform (2), the upper part of the other side of the auxiliary frame (1) is fixedly connected with a second limiting side plate (152) abutted to the other side of the composite loading platform (2), and the rear side of the composite loading platform (2) is abutted to the mounting plate (20).

6. The printed circuit board loading aid of claim 1, wherein: The lower end of the composite loading platform (2) is fixedly connected with a limiting strip (23) abutted to the side wall of the lifting arm.

7. The printed circuit board loading aid of claim 1, wherein: The bottom of the auxiliary frame (1) is provided with a moving wheel (111), and the front side of the auxiliary frame (1) is fixedly connected with a push-pull rod (121).

8. A printed circuit board loading aid according to claim 7, wherein: Both sides of the board throwing machine body (10) are fixedly connected with limiting guide rails (101), and both sides of the auxiliary frame (1) are provided with limiting guide wheels (113) sliding on the limiting guide rails (101).

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