PCB positioning feeding and discharging device

Abstract

The utility model relates to a PCB positioning feeding and discharging device, and relates to the technical field of PCB machining, a lifting control assembly is installed on the lower side of a supporting frame, a lifting support is installed on the lifting control assembly, and the lifting support is in sliding connection with the supporting frame; a plurality of layers of PCB placing beams are installed on the lifting support, a plurality of sets of pushing assemblies are installed on the PCB placing beams, the pushing assemblies control PCBs to move horizontally, and the PCBs are conveyed to the discharging end from the feeding end; the PCB placing beam is provided with a PCB limiting assembly, and the PCB limiting assembly is used for preventing the position of the PCB from deviating. The supporting frame is provided with a height positioning sensor, and the height positioning sensor is used for controlling the height of the PCB placing beam. The PCB conveying device has the effect of preventing the PCB from deviating in the conveying process.

Description

Technical Field

[0001] The present application relates to the technical field of PCB board processing, and in particular to a PCB board positioning and loading and unloading device. Background Art

[0002] PCB boards are commonly used circuit boards in industrial production. During the production and processing process, it is usually necessary to punch holes in the circuit boards. CNC processing equipment is usually used to punch holes in the circuit boards. In traditional processes, circuit boards are manually processed and placed on CNC equipment for processing, which is inefficient. For example, application number: CN202120888828.0 discloses a feeding device. During the transportation of the PCB board, the PCB board is not limited, and position deviation is likely to occur, resulting in misaligned punching. Summary of the Invention

[0003] The purpose of this application is to provide a PCB board positioning and loading and unloading device to solve the technical problem of "position deviation of PCB boards during transportation".

[0004] The present application provides a PCB board positioning and loading and unloading device that adopts the following technical solution: a PCB board positioning and unloading device includes a support frame, a lifting control component is installed on the lower side of the support frame, a lifting bracket is installed on the lifting control component, and the lifting bracket is slidably connected to the support frame; a multi-layer PCB board placement beam is installed on the lifting bracket, and a plurality of push components are installed on the PCB board placement beam, and the push components control the horizontal movement of the PCB board to transport the PCB board from the feed end to the discharge end; a PCB board limiting component is installed on the PCB board placement beam, and the PCB board limiting component is used to prevent the position of the PCB board from shifting; a height positioning sensor is installed on the support frame, and the height positioning sensor is used to control the height of the PCB board placement beam; a loading port is provided on one side of the support frame; and a discharge port is provided on the side of the support frame away from the loading port.

[0005] Optionally, a plurality of lifting members are fixed on the PCB board placement beam; the lifting members include a lifting cylinder, and a lifting rod is threadedly connected to the upper end of the lifting cylinder; the lifting members are used to control the contact between the PCB board and the push assembly.

[0006] Optionally, the PCB board placement beams are connected via a plurality of U-shaped connecting frames; a fixed connecting plate is fixed to the side of the U-shaped connecting frame; and the fixed connecting plate is fixedly connected to the PCB board placement beams.

[0007] Optionally, the pushing assembly includes a pair of conveyor belts parallel to each other, a driving rod connecting multiple conveyor belts, and a driving motor fixed on a lifting bracket; the PCB board limiting assembly is arranged between the conveyor belts.

[0008] Optionally, the PCB board limiting assembly includes a limiting support platform fixed on the PCB board placement beam, and a pair of limiting plates are fixed on the limiting support platform; the limiting plates are symmetrical to each other to form a limiting channel; the limiting plates are symmetrical to each other, and "eight"-shaped openings are formed at both ends.

[0009] Optionally, the lifting control assembly includes a lifting platform fixed on the lower side of the lifting bracket, a lifting motor fixed on the support frame, a lifting screw rotatably installed on the support frame, and a plurality of limiting slide rods fixed on the support frame; a threaded sleeve threadedly connected to the lifting screw is fixed on the lifting bracket; a sliding sleeve slidingly connected to the limiting slide rod is fixed on the lifting bracket.

[0010] Optionally, a control panel is installed on the support frame; the control panel controls the PCB board positioning and loading and unloading device.

[0011] In summary, this application includes at least one of the following beneficial technical effects:

[0012] 1. During the PCB conveying process, holes are punched at designated locations on the PCBs. Multiple PCBs are then locked together with a pair of bolts, overlapping them. The overlapping and locked PCBs are then placed on the upper side of the push assembly by a robot. The PCB limit assembly limits the bolts. Based on the principle of two points determining a straight line, this reduces the positional deviation of the PCBs during conveying, thereby effectively reducing the occurrence of punching misalignment.

[0013] 2. The lifting bracket is equipped with multiple layers of PCB board placement beams, and multiple sets of push components are installed on the PCB board placement beams. When the loading and unloading device is conveying the PCB boards, one layer is aligned with the discharge port to convey the PCB boards. The PCB boards are placed on the upper side of other push components by the robot arm without affecting the conveying of the PCB boards. After the conveying of one layer is completed, the lifting bracket is controlled to move up and down to align the push component with the PCB boards with the discharge port to continue conveying the PCB boards, thereby improving the loading efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall structure of the embodiment of the present application;

[0015] Figure 2 It is an overall schematic diagram of an embodiment of the present application;

[0016] Figure 3 This is a schematic diagram of the internal structure of the support frame of an embodiment of the present application;

[0017] Figure 4 This is a schematic diagram of the structure of the push assembly according to an embodiment of the present application;

[0018] Figure 5 It is a schematic diagram of the structure of the lifting control component of an embodiment of the present application.

[0019] In the figure, 1. Support frame; 11. Control panel; 12. Loading port; 13. Discharging port; 2. Lifting control assembly; 21. Lifting platform; 22. Lifting motor; 23. Lifting screw; 24. Limiting slide rod; 25. Threaded sleeve; 26. Sliding sleeve; 3. Lifting bracket; 4. PCB board placement beam; 40. U-shaped connecting frame; 401. Connecting plate; 41. Lifting piece; 42. Lifting cylinder; 43. Lifting rod; 5. Pushing assembly; 51. Conveyor belt; 52. Driving rod; 53. Driving motor; 6. PCB board limiting assembly; 61. Limiting support platform; 62. Limiting plate; 63. Limiting channel; 7. Height positioning sensor. DETAILED DESCRIPTION

[0020] The following is combined with Figure 1 -Attached Figure 5 , further details of this application are given.

[0021] Reference Figure 1 、 Figure 2 A PCB board positioning and loading and unloading device includes a support frame 1, a lifting control component 2 is installed on the lower side of the support frame 1, a lifting bracket 3 is installed on the lifting control component 2, and the lifting bracket 3 is slidably connected to the support frame 1; a multi-layer PCB board placement beam 4 is installed on the lifting bracket 3, and a plurality of push components 5 are installed on the PCB board placement beam 4. The push components 5 control the horizontal movement of the PCB board and transport the PCB board from the feed end to the discharge end; a PCB board limiting component 6 is installed on the PCB board placement beam 4, and the PCB board limiting component 6 is used to prevent the position of the PCB board from shifting; a height positioning sensor 7 is installed on the support frame 1, and the height positioning sensor 7 is used to control the height of the PCB board placement beam 4; a loading port 12 is provided on one side of the support frame 1; and a discharge port 13 is provided on the side of the support frame 1 away from the loading port 12;

[0022] During PCB processing, positioning holes are opened on the PCB boards, and multiple PCB boards are overlapped and locked together with positioning bolts. The multiple locked PCB boards are placed on the upper side of the push assembly 5 by a robot. The PCB board limit assembly 6 limits the bolts. Based on the principle of two points determining a straight line, the position deviation of the PCB boards during transportation is reduced, thereby effectively reducing the occurrence of punching misalignment.

[0023] A multi-layer PCB board placement beam 4 is installed on the lifting bracket 3, and a plurality of push assemblies 5 are installed on the PCB board placement beam 4. When the loading and unloading device is conveying the PCB boards, one layer is aligned with the discharge port 13 to convey the PCB boards. The PCB boards are placed on the upper side of other push assemblies 5 by the robot arm without affecting the conveying of the PCB boards. After the conveying of one layer is completed, the lifting bracket 3 is controlled to move up and down to align the push assemblies 5 with the PCB boards and the discharge port 13 to continue conveying the PCB boards, thereby improving the loading efficiency.

[0024] By installing a height positioning sensor 7 on the support frame 1, the height of the PCB board placement beam 4 is controlled by the height positioning sensor 7, and the height of the PCB board pushing component 5 is controlled to achieve alignment of the pushing component 5 with the discharge port 13.

[0025] Reference Figure 3 、 Figure 4 , a plurality of lifting members 41 are fixed on the PCB board placement beam 4; the lifting member 41 includes a lifting cylinder 42, and a lifting rod 43 is threadedly connected to the upper end of the lifting cylinder 42; the lifting member 41 is used to control the contact between the PCB board and the pushing assembly 5; the lifting member 41 controls the PCB board on the upper side of the pushing assembly 5, and when the PCB board that does not need to be transported is controlled by the lifting cylinder 42 to control the lifting rod 43 to rise, so that the PCB board is separated from the pushing assembly 5, and the PCB board will not be transported. For the PCB board that needs to be transported, the lifting cylinder 42 controls the lifting rod 43 to descend, so that the PCB board contacts the pushing assembly 5, so that the pushing assembly 5 transports the specified PCB board to the CNC processing equipment, thereby achieving precise control of the PCB board transportation.

[0026] Reference Figure 3 The PCB board placement beams 4 are connected by multiple U-shaped connecting frames 40; a fixed connecting plate 401 is fixed to the side of the U-shaped connecting frame 40; the fixed connecting plate 401 is fixedly connected to the PCB board placement beam 4, and the PCB board placement beam 4 is supported by the U-shaped connecting frame 40, which can increase the contact area between the U-shaped connecting frame 40 and the PCB board placement beam 4, making the support more stable.

[0027] Reference Figure 4 The pushing assembly 5 includes a pair of parallel conveyor belts 51, a driving rod 52 connecting the multiple conveyor belts 51, and a driving motor 53 fixed to the lifting bracket 3; the PCB board limiting assembly 6 is arranged between the conveyor belts 51; when the PCB board is placed on the pushing assembly 5, a pair of bolts are clamped in the PCB board limiting assembly 6, and the PCB board limiting assembly 6 cooperates with the bolts to limit the moving trajectory of the PCB board. The driving motor 53 drives the conveyor belt 51 to rotate so that the PCB board moves along a straight line, so that the PCB board is accurately transported to the CNC processing equipment, thereby making the PCB board punching more accurate.

[0028] Reference Figure 4 The PCB board limiting assembly 6 includes a limiting support platform 61 fixed on the PCB board placing beam 4, and a pair of limiting plates 62 are fixed on the limiting support platform 61; the limiting plates 62 are symmetrical to each other to form a limiting channel 63; the limiting plates 62 are symmetrical to each other, and "eight"-shaped openings are formed at both ends; when the PCB board is conveyed to the pushing assembly 5, the "eight"-shaped opening corrects the position of the bolt, so that the bolt accurately enters the limiting channel 63, so that the PCB board can move in a straight line, thereby making the PCB board more accurately conveyed.

[0029] Reference Figure 5 The lifting control assembly 2 includes a lifting platform 21 fixed on the lower side of the lifting bracket 3, a lifting motor 22 fixed on the support frame 1, a lifting screw 23 rotatably installed on the support frame 1 and a plurality of limiting slides 24 fixed on the support frame 1; a threaded sleeve 25 threadedly connected to the lifting screw 23 is fixed on the lifting bracket 3; a sliding sleeve 26 slidingly connected to the limiting slide 24 is fixed on the lifting bracket 3; the lifting motor 22 controls the rotation of the lifting screw 23 to control the lifting bracket 3 to move up and down, and under the action of the limiting slide 24 and the sliding sleeve 26, the lifting bracket 3 is lifted and lowered more smoothly.

[0030] Reference Figure 2 A control panel 11 is installed on the support frame 1; the control panel 11 controls the PCB board positioning and loading and unloading device.

[0031] The examples of this specific embodiment are all preferred embodiments of this application and are not intended to limit the scope of protection of this application. Identical components are represented by the same reference numerals. Therefore, any equivalent changes made based on the structure, shape, and principle of this application should be included in the scope of protection of this application.

Claims

1. A PCB board positioning and loading and unloading device, characterized in that: The invention comprises a support frame (1), a lifting control component (2) is installed on the lower side of the support frame (1), a lifting bracket (3) is installed on the lifting control component (2), and the lifting bracket (3) is slidably connected to the support frame (1); a multi-layer PCB board placement beam (4) is installed on the lifting bracket (3), and a plurality of push components (5) are installed on the PCB board placement beam (4), and the push components (5) control the horizontal movement of the PCB board and transport the PCB board from the feed end to the discharge end; a PCB board limiting component (6) is installed on the PCB board placement beam (4), and the PCB board limiting component (6) is used to prevent the position of the PCB board from shifting; a height positioning sensor (7) is installed on the support frame (1), and the height positioning sensor (7) is used to control the height of the PCB board placement beam (4); a loading port (12) is provided on one side of the support frame (1); and a discharge port (13) is provided on the side of the support frame (1) away from the loading port (12).

2. A PCB board positioning and loading and unloading device according to claim 1, characterized in that: A plurality of lifting members (41) are fixed on the PCB board placement beam (4); the lifting members (41) include a lifting cylinder (42), and the upper end of the lifting cylinder (42) is threadedly connected to a lifting rod (43); the lifting members (41) are used to control the contact between the PCB board and the push assembly (5).

3. A PCB board positioning and loading and unloading device according to claim 1, characterized in that: The PCB board placement beams (4) are connected to each other via a plurality of U-shaped connection frames (40); a fixed connection plate (401) is fixed to the side of the U-shaped connection frame (40); and the fixed connection plate (401) is fixedly connected to the PCB board placement beams (4).

4. A PCB board positioning and loading and unloading device according to claim 2, characterized in that: The pushing assembly (5) comprises a pair of mutually parallel conveyor belts (51), a driving rod (52) connecting the plurality of conveyor belts (51), and a driving motor (53) fixed on the lifting bracket (3); the PCB board limiting assembly (6) is arranged between the conveyor belts (51).

5. A PCB board positioning and loading and unloading device according to claim 4, characterized in that: The PCB board limiting assembly (6) comprises a limiting support platform (61) fixed on the PCB board placement beam (4), and a pair of limiting plates (62) fixed on the limiting support platform (61); the limiting plates (62) are symmetrical to each other to form a limiting channel (63); the limiting plates (62) are symmetrical to each other, and "eight"-shaped openings are formed at both ends.

6. A PCB board positioning and loading and unloading device according to claim 4, characterized in that: The lifting control assembly (2) includes a lifting platform (21) fixed to the lower side of the lifting bracket (3), a lifting motor (22) fixed to the support frame (1), a lifting screw (23) rotatably mounted on the support frame (1), and a plurality of limiting slide rods (24) fixed to the support frame (1); a threaded sleeve (25) threadedly connected to the lifting screw (23) is fixed to the lifting bracket (3); and a sliding sleeve (26) slidably connected to the limiting slide rod (24) is fixed to the lifting bracket (3).

7. The PCB board positioning and loading and unloading device according to claim 1, characterized in that: A control panel (11) is mounted on the support frame (1); the control panel (11) controls the PCB board positioning and loading and unloading device.

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