Circuit board discharging auxiliary tool for reflow soldering

Abstract

The utility model discloses a circuit board output auxiliary tool for reflow soldering, and relates to the technical field of circuit board processing, the circuit board output auxiliary tool comprises a machine base and a driving assembly, the right side of the top end in the machine base is provided with a fixing plate, the left side of the machine base is provided with a fixing frame, and the inner side of the fixing frame is connected with a protective side plate through a rotating shaft; a material guiding plate is fixed to the bottom of the protective side plate, the driving assembly is arranged at the front end of the bottom of the material guiding plate, and the driving assembly comprises a bearing plate, a driving motor, a driving shaft, a first transmission belt, a transmission shaft, a second transmission belt and a guide roller. According to the circuit board discharging auxiliary tool for reflow soldering, the driving motor drives the driving shaft to rotate, the driving shaft drives the first transmission belt to drive the transmission shaft to rotate, the driving shaft and the transmission shaft respectively drive the second transmission belt to drive the guide roller to rotate, and the circuit board is driven to move towards the workbench by means of friction force between the guide roller and the circuit board; and the conveying fluency of the circuit board is prevented from being reduced due to small inclination of the material guide plate.

Description

Technical Field

[0001] The utility model relates to the technical field of circuit board processing, in particular to a circuit board discharging auxiliary tool for reflow soldering. Background Art

[0002] The reflow oven is equivalent to a large oven, which mainly includes air flow system, heating system, transmission system, cooling system, flux recovery system, waste gas treatment and recovery device, top cover air pressure lifting device, exhaust device, etc. Among them, the transmission system includes support columns and mesh chains set on the inner side of the support columns for circuit board transportation. The mesh chain runs through various temperature zones of the reflow oven, and the entire process of heating, welding and cooling the circuit board is carried out on the mesh chain. After the circuit board is processed in the reflow oven, auxiliary tools are often set at the discharge port when discharging to facilitate the operators to collect the processed circuit boards.

[0003] For example, the utility model with application number CN202320244066.X discloses a circuit board discharging auxiliary tool for a reflow soldering furnace. The utility model realizes a circuit board discharging auxiliary tool for a reflow soldering furnace through the mutual cooperation between the machine base, the furnace body, the work surface and the auxiliary discharging mechanism. It can not only realize the convenient drainage of the circuit board, thereby effectively preventing the circuit board from slipping, but also facilitate the height adjustment of the auxiliary tool, so it can be applied to workbenches of different heights. However, when the inclination angle of the guide plate is small, the circuit board will not be able to fall naturally onto the workbench under the action of gravity, and manual intervention is required, which affects the efficiency of discharging.

[0004] Therefore, in view of this, the existing structure and defects are studied and improved, and a circuit board removal auxiliary tool for reflow soldering is proposed. Utility Model Content

[0005] The utility model aims to provide a circuit board discharging auxiliary tool for reflow soldering, so as to solve the problems raised in the above-mentioned background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a circuit board discharging auxiliary tool for reflow soldering, comprising a machine base and a driving assembly, a fixing plate is installed on the right side of the inner top of the machine base, and a fixing frame is arranged on the left side of the machine base, the inner side of the fixing frame is connected with a protective side plate through a rotating shaft, and a guide plate is fixed to the bottom of the protective side plate, the driving assembly is arranged at the bottom front end of the guide plate, and the driving assembly comprises a bearing plate, a driving motor, a driving shaft, a transmission belt 1, a transmission shaft, a transmission belt 2 and a guide roller, a driving motor is arranged on the right side of the front end of the bearing plate, and the output end of the driving motor passes through the bearing plate and is connected with the driving shaft, the outside of the driving shaft is connected with the transmission belt 1, and the inside of the transmission belt 1 is also connected with the transmission shaft, the outside of the driving shaft and the transmission shaft are both connected with the transmission belt 2, and the inside of the transmission belt 2 is connected with the guide roller.

[0007] Furthermore, the side surface of the fixing frame is in an inverted concave structure, and the base and the fixing frame are perpendicular to each other.

[0008] Furthermore, a servo motor is installed on the upper left side of the fixing frame, and an output end of the servo motor passes through the fixing frame and is connected to a lead screw.

[0009] Furthermore, a screw nut is connected to the outside of the screw rod, and a moving block is arranged at the bottom of the screw nut.

[0010] Furthermore, the surface of the moving block is connected to a support arm via a rotating shaft, and the other end of the support arm is rotatably connected to the middle part of the protective side plate.

[0011] Furthermore, four transmission shafts are provided, and the transmission shafts are rotatably connected to the bearing plate.

[0012] Furthermore, the guide roller is rotatably arranged in a rectangular opening on the surface of the material guiding plate, and five guide rollers are arranged.

[0013] The utility model provides a circuit board discharging auxiliary tool for reflow soldering, which has the following beneficial effects:

[0014] 1. The utility model drives the driving shaft to rotate by driving the motor, and the driving shaft drives the transmission belt to rotate the transmission shaft, and the driving shaft and the transmission shaft respectively drive a transmission belt to rotate the guide roller, and the friction between the guide roller and the circuit board is used to drive the circuit board to move toward the workbench, so as to avoid the reduction of the smoothness of the circuit board conveying due to the small inclination of the guide plate.

[0015] 2. The servo motor of the utility model drives the screw to rotate, so that the screw nut drives the moving block to make horizontal displacement along the outside of the screw to cause the support arm angle adjustment, so that the protective side plate rotates along the fixed frame, so as to adjust the inclination of the guide plate, so that the circuit board can smoothly transition from the network chain position at the end of the reflow soldering furnace to the work surface, thereby reducing the damage rate of the circuit board. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the overall structure of a circuit board discharging auxiliary tool for reflow soldering of the utility model;

[0017] Figure 2 It is a rear perspective structural diagram of a carrier plate of a circuit board discharging auxiliary tool for reflow soldering of the utility model;

[0018] Figure 3 The utility model is a schematic diagram of a front view of a three-dimensional structure of a carrier plate of a circuit board discharging auxiliary tool for reflow soldering.

[0019] In the figure: 1. machine base; 2. fixing plate; 3. fixing frame; 4. servo motor; 5. screw; 6. screw nut; 7. moving block; 8. support arm; 9. protective side plate; 10. guide plate; 11. driving assembly; 1101. bearing plate; 1102. driving motor; 1103. driving shaft; 1104. transmission belt 1; 1105. transmission shaft; 1106. transmission belt 2; 1107. guide roller. DETAILED DESCRIPTION

[0020] The following is a further detailed description of the implementation of the present utility model in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present utility model, but cannot be used to limit the scope of the present utility model.

[0021] like Figures 1 to 3 As shown, a circuit board discharging auxiliary tool for reflow soldering includes a machine base 1 and a driving assembly 11. A fixing plate 2 is installed on the right side of the inner top of the machine base 1, and a fixing frame 3 is arranged on the left side of the machine base 1. The inner side of the fixing frame 3 is connected with a protective side plate 9 through a rotating shaft, and a guide plate 10 is fixed to the bottom of the protective side plate 9. The driving assembly 11 is arranged at the bottom front end of the guide plate 10, and the driving assembly 11 includes a bearing plate 1101, a driving motor 1102, a driving shaft 1103, a transmission belt 1104, a transmission shaft 1105, a transmission belt 2 1106 and a guide roller 1107. The driving motor is arranged on the right side of the front end of the bearing plate 1101. 1102, and the output end of the driving motor 1102 passes through the supporting plate 1101 and is connected to a driving shaft 1103, the outside of the driving shaft 1103 is connected to a transmission belt 1104, and the inside of the transmission belt 1104 is also connected to a transmission shaft 1105, the outsides of the driving shaft 1103 and the transmission shaft 1105 are both connected to a transmission belt 2 1106, and the inside of the transmission belt 2 1106 is connected to a guide roller 1107, four transmission shafts 1105 are provided, and the transmission shaft 1105 and the supporting plate 1101 are rotatably connected, the guide roller 1107 is rotatably provided in a rectangular opening on the surface of the guide plate 10, and five guide rollers 1107 are provided.

[0022] The specific operation is as follows: the driving motor 1102 is used to drive the driving shaft 1103 to rotate, and the driving shaft 1103 drives the transmission belt 1104 to drive the transmission shaft 1105 to rotate. The driving shaft 1103 and the transmission shaft 1105 respectively drive a transmission belt 2 1106 to drive the guide roller 1107 to rotate, and the friction between the guide roller 1107 and the circuit board is used to drive the circuit board to move toward the workbench, so as to avoid the reduction of the smoothness of the circuit board transportation due to the small inclination of the guide plate 10.

[0023] like Figure 1 As shown, the side of the fixing frame 3 is an inverted concave structure, and the base 1 and the fixing frame 3 are perpendicular to each other. A servo motor 4 is installed on the upper left side of the fixing frame 3, and the output end of the servo motor 4 passes through the fixing frame 3 and is connected to a screw rod 5, the outside of the screw rod 5 is connected to a screw nut 6, and a moving block 7 is arranged at the bottom of the screw nut 6, the surface of the moving block 7 is connected to a support arm 8 through a rotating shaft, and the other end of the support arm 8 is rotatably connected to the middle of the protective side plate 9.

[0024] The specific operation is as follows: the servo motor 4 drives the screw 5 to rotate, so that the screw nut 6 drives the moving block 7 to make a horizontal displacement along the outside of the screw 5, causing the support arm 8 to adjust the angle, so that the protective side plate 9 rotates along the fixed frame 3, so as to adjust the inclination of the guide plate 10, so that the circuit board can smoothly transition from the mesh chain position at the end of the reflow soldering furnace to the work surface, thereby reducing the damage rate of the circuit board.

[0025] In summary, when the circuit board discharging auxiliary tool for reflow soldering is used, the fixing frame 3 is first installed near the end mesh chain of the reflow soldering furnace, and then the angle of the feed guide plate 10 is adjusted according to the height of the workbench, that is, the servo motor 4 provides a rotational force for the screw rod 5, so that the screw rod 5 has the ability to convert the rotational force into the displacement of the screw nut 6 in a straight line direction, and the movement of the moving block 7 causes the angle of the support arm 8 to change, so that the protective side plate 9 rotates along the fixing frame 3, so as to adjust the inclination of the feed guide plate 10 and perfectly connect the end mesh chain position of the reflow soldering furnace with the workbench surface;

[0026] Then, the circuit board processed inside the reflow oven is transported to the feed plate 10 through the mesh chain, and falls onto the workbench under the action of gravity formed by the angle difference, so that the staff can take the board on the workbench conveniently, wherein the driving motor 1102 is used to drive the driving shaft 1103 to rotate, and the driving shaft 1103 drives the transmission belt 1104 to drive the transmission shaft 1105 to rotate, and the driving shaft 1103 and the transmission shaft 1105 respectively drive a transmission belt 2 1106 to drive the guide roller 1107 to rotate, and the friction between the guide roller 1107 and the circuit board is used to drive the circuit board to move toward the workbench, which can improve the defect of poor circuit board transportation due to the small inclination of the feed plate 10, so that the circuit board can smoothly transition from the mesh chain position at the end of the reflow oven to the workbench.

[0027] The embodiments of the present invention are provided for the purpose of illustration and description, and are not intended to be exhaustive or to limit the present invention to the disclosed forms. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments are selected and described to better illustrate the principles and practical applications of the present invention, and to enable those of ordinary skill in the art to understand the present invention and thereby design various embodiments with various modifications suitable for specific uses.

Claims

1. A circuit board discharging auxiliary tool for reflow soldering, comprising a base (1) and a drive assembly (11), characterized in that: A fixing plate (2) is installed on the right side of the internal top of the machine base (1), and a fixing frame (3) is arranged on the left side of the machine base (1), the inner side of the fixing frame (3) is connected to a protective side plate (9) via a rotating shaft, and a guide plate (10) is fixed to the bottom of the protective side plate (9), and the driving component (11) is arranged at the bottom front end of the guide plate (10), and the driving component (11) includes a bearing plate (1101), a driving motor (1102), a driving shaft (1103), a transmission belt 1 (1104), a transmission shaft (1105), a transmission belt 2 (1106) and a guide roller (1106). 107), a driving motor (1102) is arranged on the right side of the front end of the carrying plate (1101), and the output end of the driving motor (1102) passes through the carrying plate (1101) and is connected to a driving shaft (1103), the outside of the driving shaft (1103) is connected to a transmission belt 1 (1104), and the inside of the transmission belt 1 (1104) is also connected to a transmission shaft (1105), the outsides of the driving shaft (1103) and the transmission shaft (1105) are both connected to a transmission belt 2 (1106), and the inside of the transmission belt 2 (1106) is connected to a guide roller (1107).

2. The circuit board discharging auxiliary tool for reflow soldering according to claim 1, characterized in that: The side surface of the fixing frame (3) is in an inverted concave structure, and the machine base (1) and the fixing frame (3) are perpendicular to each other.

3. The circuit board discharging auxiliary tool for reflow soldering according to claim 1, characterized in that: A servo motor (4) is installed on the upper left side of the fixing frame (3), and the output end of the servo motor (4) passes through the fixing frame (3) and is connected to a screw rod (5).

4. The circuit board discharging auxiliary tool for reflow soldering according to claim 3, characterized in that: The outside of the screw rod (5) is connected to a screw rod nut (6), and a moving block (7) is arranged at the bottom of the screw rod nut (6).

5. The circuit board discharging auxiliary tool for reflow soldering according to claim 4, characterized in that: The surface of the moving block (7) is connected to a support arm (8) via a rotating shaft, and the other end of the support arm (8) is rotatably connected to the middle of the protective side plate (9).

6. The circuit board discharging auxiliary tool for reflow soldering according to claim 1, characterized in that: Four transmission shafts (1105) are provided, and the transmission shafts (1105) and the bearing plate (1101) are rotatably connected.

7. The circuit board discharging auxiliary tool for reflow soldering according to claim 1, characterized in that: The guide roller (1107) is rotatably arranged in a rectangular opening on the surface of the material guiding plate (10), and five guide rollers (1107) are arranged.

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