PCB (Printed Circuit Board) transferring device

Abstract

The utility model belongs to the field of PCB production, and discloses a PCB transferring device which comprises a support. A pair of conveyors arranged in parallel is arranged at one end of the support, the upper end faces of the two conveyors are flush, the conveyors are both used for horizontally conveying a rectangular PCB, and the edges of any two opposite sides of the PCB are parallel to the conveying direction of the conveyors in the conveying process; a transferring mechanism and an edge grinding mechanism are arranged on the side, close to the conveyor, of the support. The transfer mechanism is used for adsorbing the PCB on any conveyor and driving the PCB to be transferred between the two conveyors; when the transfer mechanism transfers the PCB, the edge grinding mechanism is used for grinding the edges of the two sides, perpendicular to the conveying direction of the conveyor, of the PCB. The burr polishing operation is synchronously completed in the transferring and transferring process of the PCBs between the two conveyors, and the continuous degree of production is improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the field of PCB board production, specifically related to a PCB board transfer device. BACKGROUND

[0002] In the PCB board production process, the whole substrate template forms a plurality of connected PCB board array after processing, and the plate separating process will cause the burr on the two side edges of the PCB board; the prior art usually adopts the segmented processing mode: first, the first conveyor is used for detection, then the PCB board is transferred to the second conveyor by the transfer device, and then is conveyed to the independent polishing station for secondary processing; this mode not only needs to set the polishing station additionally, increases the equipment cost and the site occupation, and because the PCB board needs to be transferred and positioned repeatedly, the production efficiency is reduced, and the board surface is easily damaged. More importantly, the prior art only completes the simple displacement conversion in the transfer process between the two conveyors, and cannot fully utilize this key process link; therefore, the PCB board polishing and transfer process are separated in the prior art, which causes the poor production continuity. SUMMARY

[0003] In view of the defects of the prior art, the purpose of the utility model is to provide a PCB board transfer device, which solves the problem of poor production continuity caused by the separation of the PCB board polishing and transfer process in the prior art.

[0004] The purpose of the utility model can be realized by the following technical scheme:

[0005] A PCB board transfer device, comprising a support;

[0006] One end of the support is provided with a pair of parallel placed conveyors, and the upper surfaces of the two conveyors are flush, the conveyors are used for horizontally conveying the rectangular PCB board, and the relative two side edges of the PCB board are parallel to the conveying direction of the conveyor during conveying;

[0007] The transfer mechanism and the edge grinding mechanism are arranged on the support close to the conveyor side;

[0008] The transfer mechanism is used for adsorbing the PCB board on any conveyor and driving the PCB board to transfer between the two conveyors;

[0009] When the transfer mechanism transfers the PCB board, the edge grinding mechanism is used for grinding the two side edges of the PCB board perpendicular to the conveying direction of the conveyor;

[0010] The edge grinding mechanism comprises a pair of horizontally arranged support bars, the two support bars are arranged along the conveying direction of the conveyors, the central axes of the two support bars are vertically arranged relative to the conveying direction of the conveyors, the two support bars are fixed through a connecting piece, the lower end of the support bar close to the support is provided with a plurality of first grinding rollers which are uniformly distributed along the axis of the support bar, the lower end of the support bar away from the support is provided with a plurality of second grinding rollers which are uniformly distributed along the axis of the support bar, and the first grinding rollers and the second grinding rollers are vertically arranged and are rotationally connected with the support bars;

[0011] When the transfer mechanism transfers the PCB, the PCB passes between the first grinding rollers and the second grinding rollers, and the first grinding rollers and the second grinding rollers are tangent to the two side edges of the PCB, respectively;

[0012] The two conveyors are provided with a plurality of first grinding rollers and a plurality of second grinding rollers, respectively, and the distance between the lower end surface of the first grinding roller and the upper end surface of the conveyor is less than the thickness of the PCB in the vertical direction, and the distance between the lower end surface of the second grinding roller and the upper end surface of the conveyor is greater than the thickness of the PCB in the vertical direction;

[0013] The support bar corresponding to the first grinding roller is fixed with the support through a fixing piece;

[0014] The connecting piece comprises a first telescopic cylinder which is horizontally arranged between the two support bars, and at least one end of at least one support bar is fixedly provided with a first telescopic cylinder, and the output end of the first telescopic cylinder is fixed with the other support bar;

[0015] The transfer mechanism comprises a mounting block which is arranged between the two support bars, the lower end of the mounting block is fixedly provided with a second telescopic cylinder which is vertically arranged downward, the output end of the second telescopic cylinder is fixed with a suction member for sucking the PCB, the mounting block is fixedly provided with a connecting seat, the support is provided with an electric sliding rail for driving the connecting seat to move, the electric sliding rail is coaxially arranged with the support bar, a sliding block is slidably connected with the electric sliding rail, and the sliding block is fixed with the connecting seat;

[0016] The upper end of the first grinding roller and the upper end of the second grinding roller are fixedly provided with a rotating shaft which is coaxially arranged, the rotating shaft is rotationally connected with the support bar, a gear is fixedly sleeved on the rotating shaft, a rack is slidably connected with the support bar, the rack is coaxially arranged with the support bar, the rack is engaged with each gear on the corresponding support bar, and the rack is fixed with the mounting block through a telescopic rod which is coaxially arranged with the first telescopic cylinder;

[0017] The support bar is fixedly connected with a guide bar which is coaxially arranged, and the rack is slidably sleeved on the corresponding guide bar.

[0018] The nouns, conjunctions or adjectives involved in the above technical solutions are explained as follows:

[0019] Fixed connection: refers to a connection method in which two or more components are tightly connected together by welding, gluing or other methods, and cannot be easily separated.

[0020] Rotary connection: refers to a connection where two parts can rotate relative to each other, and is often used in mechanical devices when rotational motion is required.

[0021] The beneficial effects of this utility model are:

[0022] 1. When the PCB board is conveyed to the vicinity of the support, the transfer mechanism adsorbs the PCB board and then moves the adsorbed PCB board to another conveyor. During the movement, the edge grinding mechanism grinds the burrs on both sides of the PCB board. That is, this application does not require a separate machine stop to grind the PCB board. It realizes that the burr grinding operation is completed simultaneously during the transfer of the PCB board between the two conveyors, which improves the continuity of production.

[0023] 2. The support strip, the first grinding roller and the second grinding roller are arranged in a coordinated manner to facilitate the grinding of the rough edges on both sides of the PCB board; at the same time, the distance between the first grinding roller, the second grinding roller and the upper end face of the conveyor is set to ensure that the PCB board can effectively pass through the lower end of the second grinding roller, and through the multiple evenly distributed first grinding rollers in a row, in conjunction with the conveyor action, the rough edge on one side of the PCB board is effectively aligned with the first grinding roller.

[0024] 3. Through the coordinated arrangement of mounting blocks, telescopic rods, racks, gears and rotating shafts, the PCB board can be driven to move from one conveyor to another, which can drive the first and second rotating rollers to rotate synchronously. Attached Figure Description

[0025] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, for those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0026] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0027] Figure 2 This is a partial structural schematic diagram of the present invention;

[0028] Figure 3 This is a partial structural diagram of the first grinding roller of this utility model;

[0029] Figure 4 This is a partial structural diagram of the mounting block of this utility model. Detailed Implementation

[0030] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of the present utility model.

[0031] This combination Figures 1 to 4 This invention describes an embodiment of a PCB board transfer device. Specifically, the PCB board transfer device is constructed as a split structure, comprising components such as a support 100, a conveyor 200, a transfer mechanism 300, and an edge grinding mechanism 400. This invention eliminates the need for separate shutdowns to perform edge grinding on the PCB board, enabling simultaneous edge grinding during the transfer of the PCB board between the two conveyors 200, thereby improving the continuity of production.

[0032] Please refer to Figures 1 to 4 A PCB board transfer device includes a support 100;

[0033] A pair of conveyors 200 placed side by side are provided at one end of the support 100. The upper surfaces of the two conveyors 200 are flush. Both conveyors 200 are used to horizontally transport rectangular PCB boards. During the transport process, any two opposite edges of the PCB board are parallel to the transport direction of the conveyor 200.

[0034] A transfer mechanism 300 and an edge grinding mechanism 400 are provided on the support 100 near the conveyor 200;

[0035] The transfer mechanism 300 is used to pick up the PCB board on either conveyor 200 and drive the PCB board to transfer between the two conveyors 200;

[0036] When the transfer mechanism 300 transfers the PCB board, the edge grinding mechanism 400 is used to grind the two edges of the PCB board that are perpendicular to the conveying direction of the conveyor 200.

[0037] It should be noted that during use, the two conveyors 200 convey in opposite directions; when the PCB board is placed on the conveyor 200, ensure that the rough edges on both sides of the PCB board are perpendicular to the conveying direction of the conveyor 200.

[0038] One conveyor 200 is used to convey the PCB board towards the end close to the support 100, and the other conveyor 200 is used to convey the PCB board away from the end of the support 100;

[0039] When the PCB is conveyed to the vicinity of the support 100, the transfer mechanism 300 adsorbs the PCB, and then drives the adsorbed PCB to the other conveyor 200 for transfer. The transfer mechanism 300 drives the PCB to move to the other conveyor 200, and at the same time, the edge grinding mechanism 400 grinds the two side edges of the PCB during the movement. That is, the present application does not need to stop separately to grind the PCB, and the edge grinding operation is completed synchronously during the transfer and movement of the PCB between the two conveyors 200, thereby improving the continuous degree of production.

[0040] Preferably, the conveyor 200 used to convey the PCB to the vicinity of the support 100 is a first conveyor 200. A detection unit can be arranged on the conveying path of the first conveyor 200 to detect the PCB, and cooperate with a mechanical arm or the like to take the unqualified PCB from the first conveyor 200.

[0041] Preferably, a pair of symmetrical flow guide strips can be arranged on the first conveyor 200, and the flow guide strips are coaxially arranged with the conveyor 200. The PCB is arranged between the two flow guide strips. Through the arrangement of the flow guide strips, the PCB can be prevented from being skewed during conveying.

[0042] Preferably, the conveyor 200 is a belt conveyor 200.

[0043] The edge grinding mechanism 400 includes a pair of horizontally arranged support strips 401. The two support strips 401 are arranged along the conveying direction of the conveyor 200, and the central axes of the support strips 401 are vertically arranged with the conveying direction of the conveyor 200. The two support strips 401 are fixed through a connecting piece 405. The lower end of the support strip 401 close to the support 100 is arranged with a plurality of first grinding rollers 402 uniformly distributed along the axis direction of the support strip 401. The lower end of the support strip 401 away from the support 100 is arranged with a plurality of second grinding rollers 403 uniformly distributed along the axis direction of the support strip 401. The first grinding rollers 402 and the second grinding rollers 403 are vertically arranged and rotationally connected with the support strips 401.

[0044] When the transfer mechanism 300 transfers the PCB, the PCB passes between the first grinding rollers 402 and the second grinding rollers 403, and the first grinding rollers 402 and the second grinding rollers 403 are tangent to the two side edges of the PCB, respectively.

[0045] Through the arrangement of the first grinding rollers 402 and the second grinding rollers 403, when the PCB passes through the middle, the PCB can drive the first grinding rollers 402 and the second grinding rollers 403 to rotate, thereby grinding the edge of the two side edges of the PCB.

[0046] The first grinding roller 402 and the second grinding roller 403 are distributed on the two conveyors 200, the distance between the lower end surface of the first grinding roller 402 and the upper end surface of the conveyor 200 is less than the thickness of the PCB in the vertical direction, and the distance between the lower end surface of the second grinding roller 403 and the upper end surface of the conveyor 200 is greater than the thickness of the PCB in the vertical direction; the PCB can effectively pass through the lower end of the second grinding roller 403 and pass through the plurality of first grinding rollers 402 uniformly distributed in the row, and cooperate with the conveying effect of the conveyor 200 to effectively ensure that the side burr of the PCB is positioned and aligned with the first grinding roller 402.

[0047] The support strip 401 corresponding to the first grinding roller 402 is fixed with the support 100 through the fixing piece 404; the support strip 401 is effectively and stably supported and fixed.

[0048] The connecting piece 405 includes a first telescopic cylinder horizontally arranged between the two support strips 401, and at least one first telescopic cylinder is fixedly installed at any one end of the support strip 401, and the output end of the first telescopic cylinder is fixed with the other support strip 401; through the setting of the first telescopic cylinder, the distance between the two support strips 401 can be adjusted, thereby being suitable for different specifications of rectangular PCBs for use, and improving the adaptability of the device.

[0049] The transfer mechanism 300 includes a mounting block 301 located between the two support strips 401, a second telescopic cylinder 302 vertically placed downward is fixedly installed at the lower end of the mounting block 301, a suction member 303 for suctioning the PCB is fixed at the output end of the second telescopic cylinder 302, a connecting seat 304 is fixed on the mounting block 301, an electric sliding rail 305 for driving the connecting seat 304 to move is installed on the support 100, the electric sliding rail 305 is coaxially placed with the support strip 401, a sliding block is slidably connected on the electric sliding rail 305, and the sliding block is fixed with the connecting seat 304.

[0050] The suction member 303 is driven downward by the second telescopic cylinder 302, after the PCB is suctioned and fixed by the suction member 303, the second telescopic cylinder 302 drives the suction member 303 and the PCB to move upward, so that the lower end surface of the PCB is higher than the lower end surface of the second grinding roller 403; the electric sliding rail 305 is opened, the electric sliding rail 305 drives the sliding block and the connecting seat 304 to move horizontally, and the PCB is transferred between the two conveyors 200.

[0051] Preferably, the suction member 303 can adopt an electric vacuum suction cup.

[0052] The first grinding roller 402 and the second grinding roller 403 are fixed with rotating shafts 406 coaxially arranged at the upper ends, the rotating shafts 406 are rotationally connected with the support strips 401, the rotating shafts 406 are fixed with gear wheels 407, the support strips 401 are slidably connected with gear racks 408 coaxially arranged, the gear racks 408 are engaged with the gear wheels 407 on the corresponding support strips 401, the gear racks 408 are fixed with the mounting blocks 301 through telescopic rods 409, and the telescopic rods 409 are coaxially arranged with the first telescopic cylinders;

[0053] When the mounting blocks 301 move horizontally, the gear racks 408 on the two sides are synchronously driven to move through the telescopic rods 409, the gear racks 408 drive the gear wheels 407, the rotating shafts 406 and the first grinding roller 402 or the second grinding roller 403, and then the two sides of the PCB are effectively polished.

[0054] The support strips 401 are fixed with guide strips 410 coaxially arranged, and the gear racks 408 are slidably sleeved on the corresponding guide strips 410; through the arrangement of the guide strips 410, the guiding property of the gear racks 408 during movement is improved, and the gear racks 408 can be effectively driven to move synchronously when the two support strips 401 are close to or away from each other.

[0055] In the description of the present specification, the description of the terms "one embodiment", "example", "specific example" and the like means that the specific features, structures, materials or characteristics described in combination with the embodiment or example are contained in at least one embodiment or example of the present application. In the present specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0056] The basic principles, main features and advantages of the present application are shown and described above. It should be understood by those skilled in the art that the present application is not limited by the above embodiments, and the above embodiments and descriptions in the specification are only to illustrate the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the present application.

Claims

1. A PCB board transfer device, comprising a support (100), characterized in that: A pair of conveyors (200) are placed side by side at one end of the bracket (100). The upper surfaces of the two conveyors (200) are flush. The conveyors (200) are used to horizontally transport rectangular PCB boards. During the transport process, any two opposite edges of the PCB board are parallel to the transport direction of the conveyor (200). A transfer mechanism (300) and an edge grinding mechanism (400) are provided on the support (100) near the conveyor (200); The transfer mechanism (300) is used to pick up the PCB board on either conveyor (200) and drive the PCB board to transfer between the two conveyors (200); When the transfer mechanism (300) transfers the PCB board, the edge grinding mechanism (400) is used to grind the two sides of the PCB board that are perpendicular to the conveyor (200) conveying direction.

2. The PCB board transfer device according to claim 1, characterized in that, The edge grinding mechanism (400) includes a pair of horizontally placed support bars (401). The two support bars (401) are arranged along the conveying direction of the conveyor (200). The central axis of the support bars (401) is perpendicular to the conveying direction of the conveyor (200). The two support bars (401) are fixed together by a connector (405). The lower end of the support bar (401) near the bracket (100) is provided with a plurality of evenly distributed first grinding rollers (402) along its own axis. The lower end of the support bar (401) away from the bracket (100) is provided with a plurality of evenly distributed second grinding rollers (403) along its own axis. The first grinding rollers (402) and the second grinding rollers (403) are both placed vertically and rotatably connected to the support bars (401). When the transfer mechanism (300) transfers the PCB board, the PCB board passes between the first grinding roller (402) and the second grinding roller (403), and the first grinding roller (402) and the second grinding roller (403) are tangent to the two side edges of the PCB board respectively.

3. The PCB board transfer device according to claim 2, characterized in that, Both conveyors (200) have multiple first grinding rollers (402) and multiple second grinding rollers (403) distributed on them. The distance between the lower end face of the first grinding roller (402) and the upper end face of the conveyor (200) is less than the thickness of the PCB board in the vertical direction, and the distance between the lower end face of the second grinding roller (403) and the upper end face of the conveyor (200) is greater than the thickness of the PCB board in the vertical direction.

4. The PCB board transfer device according to claim 3, characterized in that, The support bar (401) corresponding to the first grinding roller (402) is fixed to the bracket (100) by the fastener (404).

5. The PCB board transfer device according to claim 4, characterized in that, The connector (405) includes a first telescopic cylinder horizontally disposed between two support bars (401). At least one support bar (401) has a first telescopic cylinder fixedly installed at one end. The output end of the first telescopic cylinder is fixed to another support bar (401).

6. The PCB board transfer device according to claim 5, characterized in that, The transfer mechanism (300) includes a mounting block (301) located between two support bars (401). A second telescopic cylinder (302) is fixedly mounted on the lower end of the mounting block (301) and placed vertically downward. An adsorption component (303) for adsorbing PCB boards is fixed at the output end of the second telescopic cylinder (302). A connecting seat (304) is fixed on the mounting block (301). An electric slide rail (305) for driving the connecting seat (304) to move is mounted on the bracket (100). The electric slide rail (305) is placed coaxially with the support bars (401). A slider is slidably connected to the electric slide rail (305), and the slider is fixed to the connecting seat (304).

7. The PCB board transfer device according to claim 6, characterized in that, The upper ends of the first grinding roller (402) and the second grinding roller (403) are both fixed with a rotating shaft (406) placed on the same axis. The rotating shaft (406) is rotatably connected to the support bar (401). Gears (407) are fixedly sleeved on the rotating shaft (406). A rack (408) is slidably connected to the support bar (401). The rack (408) is placed on the same axis as the support bar (401), and the rack (408) meshes with each gear (407) on the corresponding support bar (401). The rack (408) is fixed to the mounting block (301) through a telescopic rod (409). The telescopic rod (409) is placed on the same axis as the first telescopic cylinder.

8. The PCB board transfer device according to claim 7, characterized in that, Each support bar (401) is fixed with a guide bar (410) placed coaxially, and each rack (408) is slidably sleeved on the corresponding guide bar (410).

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