Automatic feeding device for circuit board production

Abstract

The utility model relates to an automatic feeding device for circuit board production, which comprises a conveyor, a circuit board placing frame for vertically placing circuit boards, and an automatic feeding device for conveying the circuit boards on the circuit board placing frame to the conveyor one by one, the automatic feeding device comprises an automatic overturning frame, an adsorption assembly and a transmission mechanism, the adsorption assembly is used for adsorbing the circuit board, the transmission mechanism is connected with the adsorption assembly, the adsorption assembly is driven by the transmission mechanism to move, the circuit board on the adsorption assembly is vertically conveyed to the automatic overturning frame, and the automatic overturning frame is used for overturning the circuit board. The automatic roll-over stand can convey the vertically placed circuit board to the conveyor in a horizontal state. Firstly, the circuit board can be vertically placed on the circuit board placing frame, so that the circuit board can be prevented from being damaged due to stacking, and the yield is improved; and in addition, feeding work can be automatically carried out, manpower is saved, and the working efficiency is greatly improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to circuit board production technical field, especially relate to a circuit board production automatic feeding device. BACKGROUND

[0002] The process subdivision of the multilayer PCB inner layer circuit production flow has six: 1, paste dry film: the substrate after processing is pasted dry film, it is convenient for subsequent exposure production, 2, exposure: the film negative and the substrate of pressing dry film are aligned, in the exposure machine, utilize the irradiation of ultraviolet light, the film negative pattern is transferred to the photosensitive dry film, 3, development: utilize the weak alkaline of developing solution (calcium carbonate), the dry film not exposed is dissolved and washed away, the exposed part is retained, 4, etching: the dry film not exposed is removed after developing solution, the copper surface is exposed, the part of copper surface exposed is dissolved and corroded by hydrochloric acid mixed medicine, just obtains the required circuit, 5, film stripping: the dry film exposed to protect the copper surface is stripped with sodium hydroxide solution, and the circuit pattern is exposed, 6, test: through high-definition line array camera, the PCB surface pattern is extracted and compared, and the circuit defect is detected.

[0003] The circuit board is conveyed to the conveying machine by artificial or feeding device during the processing of the circuit board, and then the circuit board is conveyed to the processing equipment by the conveying machine, however, the circuit boards to be processed of the existing part feeding device are stacked, so that the circuit boards are easily damaged, and economic losses are caused. UTILITY MODEL CONTENTS

[0004] The utility model aims at solving one of the problems in the prior art at least to some extent, and provides a circuit board production automatic feeding device.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0006] A circuit board production automatic feeding device, comprising a conveyor, a circuit board placing rack for vertically placing circuit boards, and an automatic feeding device for conveying the circuit boards on the circuit board placing rack one by one to the conveyor, the automatic feeding device comprising an automatic turnover rack, a suction assembly, and a transmission mechanism, the suction assembly being used for suctioning the circuit boards, the transmission mechanism being connected with the suction assembly and driving the suction assembly to move through the transmission mechanism, so that the circuit boards on the suction assembly are vertically conveyed to the automatic turnover rack, and the automatic turnover rack can convey the vertically placed circuit boards to the conveyor in a horizontal state.

[0007] In some embodiments, the conveyor comprises a rack and rollers uniformly and intermittently arranged on the rack, and rollers are uniformly and intermittently arranged on the rollers.

[0008] In some embodiments, the automatic turnover frame comprises support plates arranged at intervals, a connecting plate connected between the two support plates, a hinged seat arranged at the lower side of each of the two support plates, and a hook for placing the circuit board, the hinged seat being installed on the frame through a rotating shaft, a motor connected with the rotating shaft being arranged on the frame, and the two support plates being located between two rollers, and the connecting plate being located between two roller shafts.

[0009] In some embodiments, the transmission mechanism comprises a cylinder fixing frame, a first cylinder arranged on the cylinder fixing frame, a piston rod of the first cylinder being arranged vertically upward and connected with a lifting plate, a second cylinder arranged on the lifting plate, a moving seat arranged on the piston rod of the second cylinder, and the adsorption assembly being arranged on the moving seat, and the moving seat being located between the two support plates.

[0010] In some embodiments, a guide column is arranged at the upper end of the cylinder fixing frame, and the lifting plate is movably lifted on the guide column.

[0011] In some embodiments, the adsorption assembly comprises a fixing plate arranged on the moving seat, a plurality of straight pipes arranged on the fixing plate, one end of each of the straight pipes being communicated with a gas pump through a gas pipe, and a suction disc being arranged at the other end of each of the straight pipes.

[0012] In some embodiments, the straight pipes are movably arranged on the fixing plate, and a first limiting block and a second limiting block are arranged at intervals on the straight pipes, the fixing plate being located between the first limiting block and the second limiting block, a spring being arranged on the straight pipe, one end of the spring abutting against the fixing plate, and the other end of the spring abutting against the second limiting block.

[0013] In some embodiments, the circuit board placing frame comprises a vertical plate, a bottom rod for supporting the circuit board being arranged on one side of the vertical plate, and a limiting rod for limiting the left and right movement of the circuit board being arranged at intervals.

[0014] Compared with the prior art, the utility model has the advantages that: first, the circuit board can be placed vertically on the circuit board placing frame, so that damage to the circuit board caused by stacking can be avoided, and the yield rate is improved; in addition, during the feeding work, the transmission mechanism drives the adsorption assembly to adsorb the circuit board on the circuit board placing frame, then the transmission mechanism drives the adsorption assembly and the circuit board on the adsorption assembly to be conveyed to the automatic turnover frame, then the automatic turnover frame turns the circuit board from the vertical state to the horizontal state, and the circuit board can be directly conveyed to the conveyor, so that the labor cost is saved, and the work efficiency is greatly improved. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a three-dimensional view of the adsorption assembly adsorbing the circuit board.

[0016] Figure 2 is a top view schematic diagram of the adsorption assembly of the utility model when adsorbing the circuit board;

[0017] Figure 3 is a three-dimensional schematic diagram of the utility model when the circuit board is located on the automatic turnover frame;

[0018] Figure 4 is a three-dimensional schematic diagram of the utility model when the circuit board is turned over to the conveyor;

[0019] Figure 5 is a top view schematic diagram of the utility model when the circuit board is turned over to the conveyor;

[0020] Figure 6 is a sectional view schematic diagram of the utility model at A-A; Figure 5

[0021] Figure 7 is an enlarged schematic diagram of A of the utility model; Figure 6

[0022] Figure 8 is a structural schematic diagram of the automatic turnover frame of the utility model. DETAILED DESCRIPTION

[0023] The following detailed implementation provides a plurality of different embodiments or examples for implementing the utility model. Of course, these are only examples and are not intended to be limiting. In addition, repeated reference numbers may be used in different embodiments, such as repeated numbers and / or letters. These repetitions are for the purpose of simply and clearly describing the utility model, and do not represent a specific relationship between the different embodiments and / or structures discussed.

[0024] As shown in Figures 1-8 An automatic feeding device for circuit board production, characterized in that: it comprises a conveyor 1, a circuit board placing frame 2 for vertically placing a circuit board 10, and an automatic feeding device for conveying the circuit boards 10 on the circuit board placing frame 2 one by one to the conveyor 1, the automatic feeding device comprises an automatic turnover frame 3, an adsorption assembly, and a transmission mechanism, the adsorption assembly is used for adsorbing the circuit board 10, the transmission mechanism is connected with the adsorption assembly and drives the adsorption assembly to move through the transmission mechanism, so that the circuit board 10 on the adsorption assembly is vertically conveyed to the automatic turnover frame 3, and the automatic turnover frame 3 can convey the vertically placed circuit board 10 to the conveyor 1 in a horizontal state.

[0025] ​​The utility model discloses, first, can place circuit board 10 vertically on circuit board placing frame 2 to avoid the damage of circuit board 10 caused by stacking and improve the yield, in addition, during the feeding work, the circuit board 10 on circuit board placing frame 2 is adsorbed through the transmission mechanism drive adsorption component, then the circuit board 10 on adsorption component is conveyed to automatic turnover frame 3 through the transmission mechanism drive adsorption component, then, the circuit board 10 is turned from vertical state to horizontal state through automatic turnover frame 3, and can be directly conveyed to conveyer 1, saves the manpower, greatly improves the operation efficiency.

[0026] Referring to Figures 1-8 As shown in the figure, the conveyer 1 includes a rack 21 and roller shafts 22 evenly spaced on the rack 21, and the roller shafts 22 are evenly spaced with rollers 23. Of course, the conveyer 1 is prior art, and will not be described in detail here.

[0027] Further, the automatic turnover frame 3 includes support plates 31 spaced apart, connecting plates 32 connected between the two support plates 31, hinged seats 33 and hooks 36 for placing circuit boards 10 provided on the lower sides of the two support plates 31, the hinged seats 33 are installed on the rack 21 through shafts 34, and the rack 21 is also provided with a motor 35 connected with the shafts 34, the two support plates 31 are located between the two rollers 23, and the connecting plate 32 is located between the two roller shafts 22. Thus, when the support plate 31 is turned to a horizontal state, the support plate 31 can be turned between the rollers 23, and the connecting plate 32 can be turned between the two roller shafts 22, so that the circuit board 10 on the support plate 31 can fall on the rollers 23 and be conveyed by the rotation of the rollers 23.

[0028] Referring to Figures 1-6 As shown in the figure, the transmission mechanism includes a cylinder fixing frame 41, a first cylinder 42 provided on the cylinder fixing frame 41, a piston rod of the first cylinder 42 vertically upwardly provided and connected with a lifting plate 43, a second cylinder 44 provided on the lifting plate 43, a moving seat 45 provided on a piston rod of the second cylinder 44, and the adsorption component provided on the moving seat 45, and the moving seat 45 is located between the two support plates 31.

[0029] The specific working process of the transmission mechanism is as follows:

[0030] Firstly, the lifting plate 43 is lifted by the first cylinder 42, then the second cylinder 44 drives the moving seat 45 and the adsorption assembly to move to the circuit board placing rack 2, and the frontmost circuit board 10 is adsorbed by the adsorption assembly, the second cylinder 44 drives the moving seat 45 and the adsorption assembly to reset, at this time, the circuit board 10 on the adsorption assembly is located above the hook 36, then the first cylinder 42 drives the lifting plate 43 to descend, so that the circuit board 10 is placed in the hook 36, finally, the circuit board 10 is turned over to the conveyor 1 by the turning of the automatic turning rack 3.

[0031] In order to improve the stability of the lifting plate 43, a guide column 51 is arranged at the upper end of the cylinder fixing frame 41, and the lifting plate 43 is movably lifted on the guide column 51.

[0032] Referring to Figure 7 As shown in the figure, the adsorption assembly comprises a fixed plate 61 arranged on the moving seat 45, a plurality of straight pipes 62 are arranged on the fixed plate 61, one end of each straight pipe 62 is communicated with the air pump through an air pipe, and the other end is provided with a suction disc 63.

[0033] Further, the straight pipe 62 is movably arranged on the fixed plate 61, and a first limiting block 71 and a second limiting block 72 are arranged on the straight pipe 62 at intervals, the fixed plate 61 is located between the first limiting block 71 and the second limiting block 72, and a spring 73 is arranged on the straight pipe 62, one end of the spring 73 abuts against the fixed plate 61, and the other end abuts against the second limiting block 72, through the arrangement of the spring 73, the suction disc 63 is prevented from moving too much and colliding and damaging the circuit board, and the stability during production can be further improved.

[0034] Referring to Figures 1-5 As shown in the figure, the circuit board placing rack 2 comprises a vertical plate 81, a bottom rod 82 for supporting the circuit board 10 is arranged on one side of the vertical plate 81, and a limiting rod 83 for limiting the left and right movement of the circuit board 10 is arranged at intervals, the circuit board to be processed is vertically placed on the bottom rod 82, and the circuit board 10 is limited by the limiting rod 83.

[0035] The basic principle and main features of the present application and the advantages of the present application are shown and described in combination with the drawings, and those skilled in the art should understand that the present application is not limited by the above examples, the above examples and descriptions in the specification are only to illustrate the principle of the present application, various changes and improvements can be made to the present application without departing from the spirit and scope of the present application, and these changes and improvements all fall within the scope of the present application. The scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. A circuit board production automatic feeding device, characterized by: The application relates to an automatic feeding device for a conveyor (1), a circuit board placing rack (2) for vertically placing circuit boards (10) and the automatic feeding device for vertically conveying the circuit boards (10) on the circuit board placing rack (2) to the conveyor (1) one by one, wherein the automatic feeding device comprises an automatic turnover rack (3), a suction assembly and a transmission mechanism, the suction assembly is used for sucking the circuit boards (10), the transmission mechanism is connected with the suction assembly, the suction assembly is driven to move through the transmission mechanism, the circuit boards (10) on the suction assembly are vertically conveyed to the automatic turnover rack (3), the automatic turnover rack (3) can vertically place the circuit boards (10) in a horizontal state and convey the circuit boards (10) to the conveyor (1), the suction assembly comprises a fixed plate (61) arranged on the transmission mechanism, a plurality of straight pipes (62) are arranged on the fixed plate (61), one end of each straight pipe (62) is communicated with a gas pump through a gas pipe, the other end of each straight pipe (62) is provided with a suction disc (63), the straight pipes (62) are movably arranged on the fixed plate (61), first limiting blocks (71) and second limiting blocks (72) are arranged on the straight pipes (62) at intervals, the fixed plate (61) is located between the first limiting blocks (71) and the second limiting blocks (72), springs (73) are arranged on the straight pipes (62), one end of each spring (73) abuts against the fixed plate (61), and the other end of each spring (73) abuts against the second limiting block (72).

2. The automatic feeding device for the production of circuit boards according to claim 1, characterized in that The conveyor (1) comprises a rack (21) and roller shafts (22) uniformly and intervally arranged on the rack (21), and rollers (23) are uniformly and intervally arranged on the roller shafts (22).

3. The automatic feeding device for the production of circuit boards according to claim 2, characterized in that The automatic turnover rack (3) comprises support plates (31) arranged at intervals, a connecting plate (32) connected between the two support plates (31), hinged seats (33) and hooks (36) for placing the circuit boards (10) arranged on the lower sides of the two support plates (31), the hinged seats (33) are installed on the rack (21) through rotating shafts (34), a motor (35) connected with the rotating shafts (34) is arranged on the rack (21), the two support plates (31) are located between the two rollers (23), and the connecting plate (32) is located between the two roller shafts (22).

4. The automatic feeding device for the production of circuit boards according to claim 3, characterized in that The transmission mechanism comprises a cylinder fixing rack (41), a first cylinder (42) arranged on the cylinder fixing rack (41), a piston rod of the first cylinder (42) vertically upwardly arranged and connected with a lifting plate (43), a second cylinder (44) arranged on the lifting plate (43), a moving seat (45) arranged on a piston rod of the second cylinder (44), the fixed plate (61) arranged on the moving seat (45), and the moving seat (45) located between the two support plates (31).

5. The automatic feeding device for the production of circuit boards according to claim 4, characterized in that A guide column (51) is arranged on the upper end of the cylinder fixing rack (41), and the lifting plate (43) is movably lifted on the guide column (51).

6. The automatic feeding device for the production of circuit boards according to claim 1, characterized in that The circuit board placing rack (2) comprises a vertical plate (81), a bottom rod (82) for supporting the circuit board (10) is arranged on one side of the vertical plate (81), and spacing limiting rods (83) for limiting the left and right movement of the circuit board (10) are arranged.

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