Printed circuit board (PCB) conveying and fixing device in plug-in machine

Abstract

The utility model discloses a PCB transmission fixing device in a plug-in machine, which relates to the technical field of PCB transmission and comprises a bottom plate, a fixed frame is welded on one side of the bottom plate, a movable frame is connected to the top end of the bottom plate in a sliding mode, fixed assemblies are arranged in the fixed frame and the movable frame, an adjusting assembly is arranged at the bottom end of the movable frame, and the adjusting assembly is connected with the movable frame in a sliding mode. The fixing assembly comprises a moving block slidably connected to the interiors of the fixed frame and the movable frame, and an L-shaped supporting plate is welded to one side of the top end of the moving block. The first servo motors on the two sides are started, so that the connecting plate a drives the air bag a to descend and extrude the piston rod, the air bag a and the air bag b are expanded, the upper end and the lower end of the two sides of the PCB are fixed, meanwhile, protection can be achieved, and damage caused by too tight clamping of the PCB is prevented; or the condition that the PCB is deviated when being conveyed due to the fact that the PCB is clamped and over-conveyed is avoided, and subsequent component plugging cannot be carried out on the PCB.

Description

Technical Field

[0001] The utility model relates to the technical field of PCB board transmission, in particular to a PCB board transmission and fixing device in a plug-in machine. Background Technique

[0002] The PCB board, also known as the printed circuit board, is the provider of the electrical connection of electronic components. Its design is mainly layout design. The main advantage of using a circuit board is to greatly reduce the wiring and assembly errors, and improve the automation level and production labor rate.

[0003] Disclosed in the existing patent (publication number: CN 104828600 B), the rotation of the rotating shaft drives the lifting block fixed on it to rotate, and then the tray in effective contact with the lifting block is lifted. The tray moves upward to press the lower half of the transmission guide rail to move upward, so as to clamp and fix the PCB board to be plugged between the upper and lower transmission guide rails; this method of transmitting and fixing the PCB board to be plugged in this plug-in machine can effectively reduce the jitter of the PCB board to be plugged, and then effectively avoid the components on the PCB board to be plugged from being shaken off or tilted.

[0004] However, the above technical solution still has certain defects. The device fixes the PCB board between the guide rails through the tray. However, the PCB board body is relatively fragile. If the fixing force is too large, it may cause damage to the surface of the PCB board. When the fixing force is small, it can cause the PCB board to shift during transportation, resulting in the inability to perform subsequent plug-in operations. Therefore, a PCB board transmission and fixing device in a plug-in machine is proposed. Content of the Utility Model

[0005] Based on this, the purpose of the utility model is to provide a PCB board transmission and fixing device in a plug-in machine to solve the technical problems raised in the above background.

[0006] To achieve the above object, the present utility model provides the following technical solutions: A PCB board transmission and fixing device in a plug-in machine, including a bottom plate, a fixing frame is welded on one side of the bottom plate, and a movable frame is slidably connected to the top end of the bottom plate. Fixing components are provided in both the fixing frame and the movable frame, and an adjusting component is provided at the bottom end of the movable frame. The fixing component includes a moving block slidably connected inside the fixing frame and the movable frame. On one side of the top end of the moving block, an L-shaped support plate is welded. A first servo motor is installed on the L-shaped support plate. The output end of the first servo motor is fixedly connected to a movable shaft. A threaded screw a is slidably connected inside the movable shaft. The bottom end of the threaded screw a rotates a connecting plate a. The bottom end of the connecting plate a is fixedly connected to an air bag a. An air bag b is provided directly below the air bag a. The bottom end of the air bag b is fixed with a connecting plate b. One side of each of the air bag a and the air bag b is connected to an air pipe. One end of the two air pipes is connected to a piston cylinder. A piston rod is slidably connected to the inner wall of the piston cylinder. A plurality of spring telescopic rods are provided between the connecting plate a and the connecting plate b.

[0007] As a preferred technical solution of the PCB board transmission and fixing device in a plug-in machine of the present utility model, conveyor belts are installed inside both the fixing frame and the movable frame, and the bottom end of the connecting plate b is fixedly connected to the top end of the conveyor belt.

[0008] As a preferred technical solution of the PCB board transmission and fixing device in a plug-in machine of the present utility model, sliders are welded on both sides of the moving block, and chutes matching the sliders are opened at the top ends of the fixing frame and the movable frame.

[0009] As a preferred technical solution of the PCB board transmission and fixing device in a plug-in machine of the present utility model, a block is fixedly connected to one side of the upper end of the surface of the threaded screw a, and a limiting shaft is fixedly connected to the bottom end of the threaded screw a.

[0010] As a preferred technical solution of the PCB board transmission and fixing device in a plug-in machine of the present utility model, the piston cylinder is fixedly connected to the connecting plate b, and the piston rod is fixedly connected to the connecting plate a.

[0011] As a preferred technical solution of the PCB board transmission and fixing device in a plug-in machine of the present utility model, the adjusting component includes a second servo motor installed at the lower end of one side of the fixing frame. The output end of the second servo motor is fixedly connected to a threaded screw b. Guide blocks are fixedly connected to both sides of the bottom end of the movable frame. One of the guide blocks is rotatably connected to the threaded screw b, and a round shaft is slidably connected inside the other guide block.

[0012] In summary, the present utility model mainly has the following beneficial effects:

[0013] 1. By starting the first servo motors on both sides, the present utility model enables the connecting plate a to drive the airbag a to descend and squeeze the piston rod, causing the airbag a and the airbag b to expand, which can fix the upper and lower ends on both sides of the PCB board while also providing protection, preventing damage caused by excessive clamping of the PCB board or deviation during its transportation due to insufficient clamping, thus making it impossible to perform subsequent component insertion on the PCB board.

[0014] 2. By starting the second servo motor, the threaded lead screw b drives the movable frame to move through the guide block. The movable frame can move parallel through the round shaft to prevent deviation. When the movable frame moves to a distance suitable for the size of the PCB board, then place the PCB board between the fixed frame and the movable frame. By adjusting the distance between the fixed frame and the movable frame, it can effectively adapt to PCB boards of different sizes, better enhancing the applicability of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the following will briefly introduce the drawings required for use in the embodiments or the description of the prior art. Obviously, the following drawings are only some embodiments of the present application. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts.

[0016] Figure 1 It is a three-dimensional schematic diagram of the overall components of the present utility model;

[0017] Figure 2 It is a three-dimensional schematic diagram inside the fixed frame of the present utility model;

[0018] Figure 3 It is a three-dimensional schematic diagram of the fixing component of the present utility model;

[0019] Figure 4 It is a three-dimensional schematic diagram inside the movable shaft of the present utility model.

[0020] Description of the symbols and markings in the drawings:

[0021] 100, base plate; 110, fixed frame; 120, movable frame; 130, conveyor belt;

[0022] 200, fixing component; 210, moving block; 211, slider; 212, chute; 220, L-shaped support plate; 230, first servo motor; 240, movable shaft; 250, threaded lead screw a; 251, clamping block; 252, limiting shaft; 260, connecting plate a; 270, airbag a; 280, connecting plate b; 290, airbag b; 2910, air pipe; 2920, piston cylinder; 2930, piston rod; 2940, spring telescopic rod;

[0023] 300, Adjusting assembly; 310, Second servo motor; 320, Threaded lead screw b; 330, Guide block; 340, Round shaft. Detailed implementation manner

[0024] In order to make the technical problems, technical solutions and beneficial effects to be solved by this application clearer and more understandable, the following further details this application in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain this application and are not used to limit this application.

[0025] The following describes the embodiments according to the overall structure of the present utility model.

[0026] A PCB board transmission and fixing device in a plug-in machine, as Figures 1-4 shown, includes a bottom plate 100, a fixing frame 110 is welded on one side of the bottom plate 100, and a movable frame 120 is slidably connected to the top end of the bottom plate 100. Fixing components 200 are provided in both the fixing frame 110 and the movable frame 120. An adjusting component 300 is provided at the bottom end of the movable frame 120. The fixing component 200 includes a moving block 210 slidably connected inside the fixing frame 110 and the movable frame 120. One side of the top end of the moving block 210 is welded with an L-shaped support plate 220. A first servo motor 230 is installed on the L-shaped support plate 220. The output end of the first servo motor 230 is fixedly connected with a movable shaft 240. A threaded lead screw a 250 is slidably connected inside the movable shaft 240. The bottom end of the threaded lead screw a 250 rotates a connecting plate a 260. The bottom end of the connecting plate a 260 is fixedly connected with an airbag a 270. An airbag b 290 is provided directly below the airbag a 270. A connecting plate b 280 is fixed at the bottom end of the airbag b 290. One side of each of the airbag a 270 and the airbag b 290 is connected with an air tube 2910. One end of the two groups of air tubes 2910 is connected with a piston cylinder 2920. A piston rod 2930 is slidably connected to the inner wall of the piston cylinder 2920. A plurality of spring telescopic rods 2940 are provided between the connecting plate a 260 and the connecting plate b 280.

[0027] When the PCB board is placed between the fixed frame 110 and the movable frame 120, by starting the first servo motors 230 on both sides, the first servo motors 230 drive the movable shafts 240 and the threaded lead screw a 250 to rotate synchronously. The threaded lead screw a 250 drives the connecting plate a 260 to descend. While the connecting plate a 260 drives the airbag a 270 to descend, it will squeeze the piston rod 2930, causing the piston rod 2930 to squeeze the gas inside the piston cylinder 2920. The gas then enters the airbag a 270 and the airbag b 290 through the air pipe 2910. The airbag a 270 and the airbag b 290 expand, which can fix the upper and lower ends on both sides of the PCB board and also provide protection, preventing damage caused by clamping the PCB board too tightly or deviation during transportation due to clamping the PCB board too loosely, thus making it impossible to perform subsequent component insertion on the PCB board.

[0028] Please refer specifically to Figure 3 and Figure 4 Inside both the fixed frame 110 and the movable frame 120, conveyor belts 130 are installed. The bottom end of the connecting plate b 280 is fixedly connected to the top end of the conveyor belt 130. On both sides of the moving block 210, sliders 211 are welded. On the top ends of the fixed frame 110 and the movable frame 120, chutes 212 that fit the sliders 211 are provided.

[0029] The conveyor belt 130 can be used to transport the PCB board. Through the cooperation of the sliders 211 and the chutes 212, the PCB board is more stable during transportation.

[0030] Please refer specifically to Figure 2 and Figure 4 On one side of the upper end of the surface of the threaded lead screw a 250, a clamping block 251 is fixedly connected, and a limiting shaft 252 is fixedly connected to the bottom end of the threaded lead screw a 250. The piston cylinder 2920 is fixedly connected to the connecting plate b 280, and the piston rod 2930 is fixedly connected to the connecting plate a 260.

[0031] By setting the clamping block 251, the threaded lead screw a 250 can drive the connecting plate a 260 to move while rotating. Through the limiting shaft 252, the connecting plate a 260 can be effectively prevented from rotating.

[0032] Please refer specifically to Figure 1 and Figure 2 The adjusting assembly 300 includes a second servo motor 310 installed at the lower end of one side of the fixed frame 110. The output end of the second servo motor 310 is fixedly connected to a threaded lead screw b 320. On both sides of the bottom end of the movable frame 120, guide blocks 330 are fixedly connected. One group of guide blocks 330 is rotatably connected to the threaded lead screw b 320, and a round shaft 340 is slidably connected inside the other group of guide blocks 330.

[0033] By starting the second servo motor 310, the threaded lead screw b320 is driven to rotate, causing the threaded lead screw b320 to drive the movable frame 120 to move through the guide block 330. The movable frame 120 can be moved in parallel through the round shaft 340 to prevent deviation. When the movable frame 120 moves to a distance suitable for the size of the PCB board, then the PCB board is placed between the fixed frame 110 and the movable frame 120. By adjusting the distance between the fixed frame 110 and the movable frame 120, it can effectively adapt to PCB boards of different sizes, better enhancing the applicability of the device.

[0034] When the present utility model is in use, by starting the second servo motor 310, the threaded lead screw b320 drives the movable frame 120 to move through the guide block 330. The movable frame 120 can be moved in parallel through the round shaft 340 to prevent deviation. When the movable frame 120 moves to a distance suitable for the size of the PCB board, then the PCB board is placed between the fixed frame 110 and the movable frame 120. By adjusting the distance between the fixed frame 110 and the movable frame 120, it can effectively adapt to PCB boards of different sizes, better enhancing the applicability of the device. When the PCB board is placed between the fixed frame 110 and the movable frame 120, by starting the first servo motors 230 on both sides, the connecting plate a260 drives the airbag a270 to descend and squeeze the piston rod 2930, causing the airbag a270 and the airbag b290 to expand, fixing the upper and lower ends on both sides of the PCB board while also providing protection, preventing damage caused by clamping the PCB board too tightly or deviation during its conveyance due to clamping the PCB board too loosely, thereby making it impossible to perform subsequent component insertion on the PCB board. The parts not involved in this device are the same as or can be implemented using the prior art.

[0035] In the description of the present utility model, it should be understood that the orientation or positional relationship indicated by terms such as "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present application and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be construed as a limitation to the present application.

[0036] In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be construed as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include one or more of such features. In the description of the present application, "a plurality" means two or more, unless otherwise specifically defined.

[0037] The above are only the preferred embodiments of the present application and are not intended to limit the present application. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present application shall be included within the protection scope of the present application.

Claims

1. A PCB board transmission and fixing device in an insertion machine, comprising a bottom plate (100), characterized in that: A fixed frame (110) is welded to one side of the bottom plate (100), and a movable frame (120) is slidably connected to the top of the bottom plate (100), a fixed assembly (200) is provided inside the fixed frame (110) and the movable frame (120), an adjustment assembly (300) is provided at the bottom end of the movable frame (120), the fixed assembly (200) comprises a moving block (210) slidably connected to the inside of the fixed frame (110) and the movable frame (120), an L-shaped support plate (220) is welded to one side of the top end of the moving block (210), a first servo motor (230) is installed on the L-shaped support plate (220), an output end of the first servo motor (230) is fixedly connected to a movable shaft (240), and the movable shaft (240) is provided inside The bottom of the connecting plate a (260) is rotatably connected to a threaded screw rod a (250), the bottom of the threaded screw rod a (250) is rotatably connected to a connecting plate a (260), the bottom of the connecting plate a (260) is fixedly connected to an airbag a (270), an airbag b (290) is arranged directly below the airbag a (270), the bottom of the airbag b (290) is fixedly connected to a connecting plate b (280), one side of the airbag a (270) and the airbag b (290) are both connected to an air pipe (2910), one end of the two groups of air pipes (2910) is connected to a piston cylinder (2920), the inner wall of the piston cylinder (2920) is slidably connected to a piston rod (2930), and a plurality of groups of spring telescopic rods (2940) are arranged between the connecting plate a (260) and the connecting plate b (280).

2. The PCB board transmission and fixing device in the plug-in machine according to claim 1, characterized in that: A conveyor belt (130) is installed inside the fixed frame (110) and the movable frame (120), and the bottom end of the connecting plate b (280) is fixedly connected to the top end of the conveyor belt (130).

3. The PCB board transmission and fixing device in the plug-in machine according to claim 1, characterized in that: Slide blocks (211) are welded on both sides of the moving block (210), and sliding grooves (212) that match the slide blocks (211) are provided at the top ends of the fixed frame (110) and the movable frame (120).

4. The PCB board transmission and fixing device in the plug-in machine according to claim 1, characterized in that: A clamping block (251) is fixedly connected to one side of the upper end of the surface of the threaded screw rod a (250), and a limiting shaft (252) is fixedly connected to the lower end of the threaded screw rod a (250).

5. The PCB board transmission and fixing device in the plug-in machine according to claim 1, characterized in that: The piston cylinder (2920) is fixedly connected to the connecting plate b (280), and the piston rod (2930) is fixedly connected to the connecting plate a (260).

6. The PCB board transmission and fixing device in the plug-in machine according to claim 1, characterized in that: The adjustment assembly (300) comprises a second servo motor (310) mounted at the lower end of one side of the fixed frame (110); a threaded screw rod b (320) is fixedly connected to the output end of the second servo motor (310); guide blocks (330) are fixedly connected to both sides of the bottom end of the movable frame (120); one group of the guide blocks (330) is rotatably connected to the threaded screw rod b (320); and another group of the guide blocks (330) is slidably connected to a round shaft (340) inside.

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