Component alignment device for SMT patch supply

Abstract

The utility model relates to SMT patch feeding technical field, concretely is component alignment device of SMT patch feeding. Component alignment device of SMT patch feeding, include: machine table, be used for conveying the transmission structure of PCB, transmission structure sets up on machine table, wherein, transmission structure includes two groups of mirror image symmetry distribution's conveyer belt. The utility model has the beneficial effects that: setting the inclined plate that gradually becomes high along the transmission direction in the stop structure, through the first cylinder drive first baffle and the inclined plate rise in the one side of PCB, can let PCB gradually lift one side in the conveying process and separate with conveyer belt, after PCB completely removes to the inclined plate, first baffle carries out the obstruction to PCB, along with second cylinder drive second baffle rise simultaneously, obstruct in the other side of PCB, make PCB be in the state of hovering, completely separate conveyer belt, to thoroughly eliminate the friction influence of conveyer belt operation to PCB.

Description

Technical Field

[0001] This utility model relates to the field of SMT (Surface Mount Technology) component feeding technology, specifically to a component alignment device for SMT component feeding. Background Technology

[0002] Surface Mount Technology (SMT) pick-and-place machines are core equipment in modern electronics manufacturing used to automate the placement of electronic components onto printed circuit boards (PCBs). Their main function is to precisely place surface mount components such as resistors, capacitors, and chips in designated positions on the PCB to complete the assembly of electronic products. In the SMT pick-and-place machine production process, the PCB is transported to the placement station area via a conveyor belt, and then a stop device is used to align the PCB in the conveying state to ensure that the nozzle can accurately place the components in the predetermined positions.

[0003] However, existing stop devices typically use a cylinder to drive a baffle to lift, directly blocking the displacement of the PCB to achieve the stop function. Since the conveyor belt continues to run during the stop process, a large frictional force is inevitably generated between the PCB and the conveyor belt. As a precision component, the surface of the PCB is prone to wear or scratches due to continuous friction, which in turn affects the quality of the PCB and the subsequent mounting accuracy. Utility Model Content

[0004] This utility model addresses the technical problems existing in the prior art by providing a component alignment device for SMT placement feeding. It solves the problem that the stop device in the prior art usually adopts the method of lifting the baffle by a cylinder, which directly blocks the displacement of the PCB to achieve the stop function. Since the conveyor belt continues to run during the stop process, a large friction force is inevitably generated between the PCB and the conveyor belt. As a precision component, the surface of the PCB is prone to wear or scratches due to continuous friction.

[0005] The technical solution of this utility model to solve the above-mentioned technical problems is as follows: a component alignment device for SMT surface mount material feeding, comprising: Machine tool; A conveying structure for transporting PCB boards is mounted on a machine platform, wherein the conveying structure includes two sets of conveyor belts that are mirror images of each other. A stop structure is provided, located between two conveyor belts and mounted on a machine platform. The stop structure includes a first cylinder, a first baffle, an inclined plate that gradually increases in height along the conveying direction of the conveying structure, a second baffle, a clearance opening, and a second cylinder. The first cylinder is fixed on the machine platform, the first baffle is fixed on the drive end of the first cylinder, the inclined plate is fixed on one side of the first baffle, the second cylinder is located on one side of the inclined plate and fixed on the machine platform, the second baffle is fixed on the drive end of the second cylinder, and the clearance opening is opened inside the inclined plate. A lifting structure is located between the first cylinder and the second cylinder and is mounted on the machine platform to lift the stopped PCB board.

[0006] The beneficial effects of this utility model are: 1) An inclined plate that gradually rises along the conveying direction is set in the stop structure. The first baffle and the inclined plate are driven by the first cylinder to rise to one side of the PCB. This allows the PCB to gradually rise on one side and separate from the conveyor belt during the conveying process. After the PCB is completely moved to the inclined plate, the first baffle blocks the PCB. At the same time, the second baffle is driven by the second cylinder to rise and block the other side of the PCB, so that the PCB is in a suspended state and completely separated from the conveyor belt. This completely eliminates the friction effect of the conveyor belt running on the PCB and avoids wear and scratches on the PCB surface.

[0007] Based on the above technical solution, the present invention can be further improved as follows.

[0008] Furthermore, multiple movable slots are linearly arrayed on both sides of the inclined plate, and each movable slot contains a ball bearing.

[0009] The beneficial effect of adopting the above-mentioned further solution is that the movable grooves on both sides of the inclined plate are embedded with ball bearings, which further reduces the friction between the PCB and the inclined plate, enhances the smoothness of sliding, and protects the integrity of the PCB surface.

[0010] Furthermore, the longitudinal cross-section of the movable groove is two-thirds of a circle.

[0011] Furthermore, the diameter of the movable groove is larger than the diameter of the ball, and the opening diameter of the receiving groove on the inclined plate is smaller than the diameter of the ball.

[0012] The beneficial effect of adopting the above-mentioned further solution is that by designing the longitudinal section of the movable groove to be two-thirds of a circle, and setting the diameter of the movable groove to be larger than the diameter of the ball and the opening diameter of the receiving groove on the inclined plate to be smaller than the diameter of the ball, the movement trajectory of the ball in the movable groove is effectively constrained, ensuring that the ball rolls stably without leaving the groove, and also ensuring the smoothness of the ball's rolling.

[0013] Furthermore, the ball bearing is made of silicone.

[0014] The beneficial effect of adopting the above-mentioned further solution is that the use of silicone ball bearings can effectively prevent the ball bearings from causing scratches or damage to the PCB surface, thus protecting the surface integrity of the PCB.

[0015] Furthermore, the lifting structure includes a third cylinder and a lifting plate, the third cylinder is fixed on the machine base, and the lifting plate is fixed on the drive end of the third cylinder.

[0016] The advantage of adopting the above-mentioned further solution is that by using the third cylinder to drive the lifting plate through the clearance opening, the PCB is lifted and positioned, which facilitates the subsequent mounting operation. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the overall structure of this utility model; Figure 2 for Figure 1 Enlarged structural diagram of section A in the middle; Figure 3 This is a perspective view of the stopping structure of this utility model; Figure 4 This is a front view schematic diagram of the stopping structure of this utility model.

[0018] The attached diagram lists the components represented by each number as follows: 100. Machine base; 200. Conveying structure; 300. Stopping structure; 301. First cylinder; 302. First baffle; 303. Inclined plate; 304. Second baffle; 305. Alternating opening; 306. Second cylinder; 400. Lifting structure; 401. Third cylinder; 402. Lifting plate; 500. Ball bearing. Detailed Implementation

[0019] The principles and features of this utility model are described below with reference to the accompanying drawings. The examples given are only for explaining this utility model and are not intended to limit the scope of this utility model.

[0020] Surface Mount Technology (SMT) pick-and-place machines are core equipment in modern electronics manufacturing used to automate the placement of electronic components onto printed circuit boards (PCBs). Their main function is to precisely place surface mount components such as resistors, capacitors, and chips in designated positions on the PCB to complete the assembly of electronic products. In the SMT pick-and-place machine production process, the PCB is transported to the placement station area via a conveyor belt, and then a stop device is used to align the PCB in the conveying state to ensure that the nozzle can accurately place the components in the predetermined positions.

[0021] However, existing stop devices typically use a cylinder to drive a baffle to lift, directly blocking the displacement of the PCB to achieve the stop function. Since the conveyor belt continues to run during the stop process, a large frictional force is inevitably generated between the PCB and the conveyor belt. As a precision component, the PCB surface is prone to wear or scratches due to continuous friction, which affects the quality of the PCB and the subsequent mounting accuracy. In response, the inventor has proposed a component alignment device for SMT surface mount feeding to solve the above problems.

[0022] The present invention provides the following preferred embodiments. like Figures 1-4As shown, the component alignment device for SMT placement feeding includes: 100 machines; A conveyor structure 200 for conveying PCB boards is provided on the machine tool 100. The conveyor structure 200 includes two sets of conveyor belts that are mirror images of each other. A stop structure 300 is located between two conveyor belts and is mounted on the machine base 100. The stop structure 300 includes a first cylinder 301, a first baffle 302, an inclined plate 303 that gradually increases in height along the conveying direction of the conveying structure 200, a second baffle 304, a clearance opening 305, and a second cylinder 306. The first cylinder 301 is fixed on the machine base 100, the first baffle 302 is fixed on the drive end of the first cylinder 301, the inclined plate 303 is fixed on one side of the first baffle 302, the second cylinder 306 is located on one side of the inclined plate 303 and is fixed on the machine base 100, the second baffle 304 is fixed on the drive end of the second cylinder 306, and the clearance opening 305 is opened inside the inclined plate 303. The lifting structure 400 is located between the first cylinder 301 and the second cylinder 306 and is mounted on the machine base 100 to lift the stopped PCB board. An inclined plate 303 that gradually rises along the conveying direction is provided in the stop structure 300. The first baffle 302 and the inclined plate 303 are driven to rise on one side of the PCB by the first cylinder 301. This allows the PCB to gradually rise on one side and separate from the conveyor belt during the conveying process. After the PCB is completely moved onto the inclined plate 303, the first baffle 302 blocks the PCB. At the same time, the second baffle 304 is driven to rise by the second cylinder 306 and blocks the other side of the PCB, so that the PCB is in a suspended state and completely separated from the conveyor belt. This completely eliminates the frictional effect of the conveyor belt on the PCB and avoids wear and scratches on the PCB surface.

[0023] In this embodiment, as Figures 1-4 As shown, multiple movable slots are linearly arrayed on both sides of the inclined plate 303, and each movable slot contains a ball bearing 500. The ball bearing 500 embedded in the movable slots on both sides of the inclined plate 303 further reduces the friction between the PCB and the inclined plate 303, enhances the smoothness of sliding, and protects the integrity of the PCB surface.

[0024] In this embodiment, as Figures 1-4As shown, the longitudinal section of the movable groove is two-thirds of a circle. The diameter of the movable groove is larger than the diameter of the ball 500, and the opening diameter of the receiving groove on the inclined plate 303 is smaller than the diameter of the ball 500. By designing the longitudinal section of the movable groove to be two-thirds of a circle, and setting the diameter of the movable groove to be larger than the diameter of the ball 500 and the opening diameter of the receiving groove on the inclined plate 303 to be smaller than the diameter of the ball 500, the movement trajectory of the ball 500 in the movable groove is effectively constrained, ensuring that the ball 500 rolls stably without leaving the groove, and also ensuring the smoothness of the rolling of the ball 500.

[0025] In this embodiment, as Figures 1-4 As shown, the ball bearing 500 is made of silicone. The use of silicone material for the ball bearing 500 can effectively prevent the ball bearing 500 from causing scratches or damage to the PCB surface, thus protecting the surface integrity of the PCB.

[0026] In this embodiment, as Figures 1-4 As shown, the lifting structure 400 includes a third cylinder 401 and a lifting plate 402. The third cylinder 401 is fixed on the machine tool 100, and the lifting plate 402 is fixed on the drive end of the third cylinder 401. The third cylinder 401 drives the lifting plate 402 through the clearance opening 305 to lift the PCB and position it correctly, which facilitates subsequent mounting operations.

[0027] The specific working process of this utility model is as follows: The first cylinder 301 drives the first baffle 302 and the inclined plate 303 to rise to one side of the PCB, allowing the PCB to gradually rise and separate from the conveyor belt during the transport process. After the PCB is completely moved onto the inclined plate 303, the first baffle 302 blocks the PCB. At the same time, the second cylinder 306 drives the second baffle 304 to rise, blocking the other side of the PCB, so that the PCB is in a suspended state and completely separated from the conveyor belt. Then, the third cylinder 401 drives the lifting plate 402 through the clearance opening 305 to lift the PCB and straighten its position, which is convenient for subsequent mounting operations.

[0028] The above are merely preferred embodiments of the present utility model and are not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model shall be included within the protection scope of the present utility model.

Claims

1. A component alignment device for SMT surface mount material feeding, characterized in that, include: Machine tool; A conveying structure for transporting PCB boards is mounted on a machine platform, wherein the conveying structure includes two sets of conveyor belts that are mirror images of each other. A stop structure is provided, located between two conveyor belts and mounted on a machine platform. The stop structure includes a first cylinder, a first baffle, an inclined plate that gradually increases in height along the conveying direction of the conveying structure, a second baffle, a clearance opening, and a second cylinder. The first cylinder is fixed on the machine platform, the first baffle is fixed on the drive end of the first cylinder, the inclined plate is fixed on one side of the first baffle, the second cylinder is located on one side of the inclined plate and fixed on the machine platform, the second baffle is fixed on the drive end of the second cylinder, and the clearance opening is opened inside the inclined plate. A lifting structure is located between the first cylinder and the second cylinder and is mounted on the machine platform to lift the stopped PCB board.

2. The component alignment device for SMT surface mount material feeding according to claim 1, characterized in that, The inclined plate has multiple movable slots arranged in a linear array on both sides, and each movable slot contains a ball bearing.

3. The component alignment device for SMT surface mount material feeding according to claim 2, characterized in that, The longitudinal cross-section of the movable groove is two-thirds of a circle.

4. The component alignment device for SMT surface mount material feeding according to claim 3, characterized in that, The diameter of the movable groove is larger than the diameter of the ball, and the opening diameter of the receiving groove on the inclined plate is smaller than the diameter of the ball.

5. The component alignment device for SMT surface mount material feeding according to claim 4, characterized in that, The ball bearings are made of silicone.

6. The component alignment device for SMT surface mount material feeding according to claim 1, characterized in that, The lifting structure includes a third cylinder and a lifting plate. The third cylinder is fixed on the machine base, and the lifting plate is fixed on the drive end of the third cylinder.

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