Chip mounter plate feeding mechanism

Abstract

The utility model discloses a chip mounter plate feeding mechanism comprising a pedestal, one side of the top end of the pedestal is provided with a door-shaped frame, the top of the door-shaped frame is rotatably provided with a screw rod, the top of the door-shaped frame at two sides of the screw rod is provided with guide rods, the outer wall of the lower end of the screw rod is provided with a nut rack in a threaded manner, and the nut rack is movably connected with the guide rods. A bearing frame is arranged on the outer wall of one side of the nut frame, a bearing plate is arranged at the top end of the bearing frame, a conveying frame is arranged at the top end of the bearing plate, positioning plates are arranged on the outer surfaces of the two sides of the conveying frame, transmission rollers are arranged on the two sides of the conveying frame, and a conveying belt is wound on the outer wall between the two transmission rollers. According to the utility model, the height of the conveyor belt can be adjusted as required to transfer circuit board workpieces to a chip mounter platform with a specified height, so that the application range of the board conveying mechanism is expanded, the conveying effect of the conveyor belt on the circuit board workpieces is ensured, and the phenomenon that the circuit board workpieces are corroded by dust in the conveying process is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of chip placement machine board feeding, in particular to a chip placement machine board feeding mechanism. Background Art

[0002] With the vigorous development of the LED industry, the requirements for LED product mounting technology are getting higher and higher. Flexible printed circuit boards need to be processed by mounting machines during production and processing. In order to feed the circuit boards onto the mounting machines, the corresponding mounting machine board feeding mechanism is required.

[0003] Reference publication number CN219791367U is a chip placement machine feeding mechanism, which includes a fixed frame, heat dissipation grooves are evenly spaced on both sides of the inner wall of the fixed frame, a servo motor is fixedly connected to one side of the fixed frame, a transmission rod is splined to the output end of the servo motor, one end of the transmission rod is fixedly connected to a fixed rod, a conveyor belt is sleeved on the surface of the fixed rod, the other end of the fixed rod is rotatably connected to the inner wall of the fixed frame, a connecting rod is sleeved inside the conveyor belt, a cleaning plate is threadedly connected to the inside of the fixed frame, and the cleaning plate A brush is provided at the bottom. The board feeding mechanism of the SMT machine is provided with a blower, an air blowing pipe and a heat dissipation groove. When the staff needs to clean the dust on the surface of the material, the external power supply of the blower can be turned on. The air blowing pipe transmits the wind to the inside of the fixed frame, and then the wind is blown to the surface of the material along the heat dissipation groove. According to the above, although the board feeding mechanism can be well applied, it is usually not convenient to move the conveying component to the specified height, and it is difficult to load the circuit board onto the SMT machines at different heights. It has certain limitations and needs to be improved. Utility Model Content

[0004] The purpose of the utility model is to provide a board feeding mechanism for a placement machine, so as to solve the problem that the board feeding mechanism proposed in the above background technology can be well applied, but it is usually inconvenient to move the conveying component to a specified height, and it is difficult to feed the circuit board to the placement machines at different heights, which has certain limitations.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a board feeding mechanism of a placement machine, comprising a base, a door frame is arranged on one side of the top of the base, a screw rod is rotatably installed on the top of the door frame, guide rods are arranged on the top of the door frames on both sides of the screw rod, a nut frame is threadedly installed on the outer wall of the lower end of the screw rod, the nut frame is movably connected with the guide rod, a bearing frame is arranged on the outer wall of one side of the nut frame, a bearing plate is arranged on the top of the bearing frame, a conveying frame is arranged on the top of the bearing plate, positioning plates are arranged on the outer surfaces of both sides of the conveying frame, transmission rollers are arranged on both sides of the conveying frame, a conveyor belt is wound on the outer wall between the two transmission rollers, an electric control box is arranged on the top of the base of the nut frame away from the bearing frame, and supporting feet are arranged at the corner positions of the bottom end of the base.

[0006] Preferably, a transmission box is provided at the top of the portal frame, and a belt transmission mechanism is provided at the top of the portal frame inside the transmission box. One side of the bottom end of the belt transmission mechanism is connected to the top of the screw rod, and the belt transmission mechanism is provided to drive the screw rod to rotate.

[0007] Preferably, a motor is arranged at the top of the portal frame on one side of the screw rod, and the top end of the motor is connected to the bottom end of the belt transmission mechanism, so that the belt transmission mechanism can be driven to operate through the arrangement of the motor.

[0008] Preferably, a hair dryer is provided at the top of the carrier plate below the conveyor belt, and the input end of the hair dryer is electrically connected to the output end of the single chip microcomputer inside the electric control box. The hair dryer is provided so as to place and process the air outlet pipe and the blow hood.

[0009] Preferably, equally spaced partitions are provided on the outer wall of the conveyor belt, and side baffles are provided on the top of the conveyor frames on both sides of the conveyor belt. The partitions and side baffles are provided to enable intermittent conveyance and lateral blocking protection of circuit board workpieces.

[0010] Preferably, linkage seats are provided at both ends of the driving roller, and hexagonal nuts are provided on the outer wall of the positioning plate on one side of the linkage seat through brackets, so that the screw rod can be placed through the setting of the hexagonal nuts.

[0011] Preferably, the internal thread of the hexagonal nut is connected to a screw, one end of the screw extends to the outside of the hexagonal nut, and the other end of the screw extends to the outside of the hexagonal nut and is rotatably connected to the outer wall of the linkage seat, so that the position of the drive roller can be adjusted by rotating and sliding the screw inside the hexagonal nut.

[0012] Preferably, an air outlet pipe is provided at one end of the hair dryer, and a blow hood is provided at the end of the air outlet pipe away from the hair dryer, so that the outer wall of the conveyor belt can be cleaned by blowing air through the arrangement of the air outlet pipe and the blow hood.

[0013] Compared with the prior art, the utility model has the following beneficial effects: the board feeding mechanism of the chip mounter can not only adjust the height of the conveyor belt as needed to transfer the circuit board workpiece to the chip mounter platform of the specified height, thereby improving the applicable scope of the board feeding mechanism, but also ensure the conveying effect of the conveyor belt on the circuit board workpiece, and reduce the phenomenon of dust erosion during the conveying process of the circuit board workpiece;

[0014] (1) The belt transmission mechanism is driven by a motor to operate, so that the belt transmission mechanism drives the screw to rotate. At this time, the nut rack is located on the outer wall of the screw and the guide rod to slide, so that the nut rack drives the conveyor frame and the conveyor belt to rise and fall through the carrier frame. The height of the conveyor belt can be adjusted as needed to transfer the circuit board workpiece to be mounted to the placement machine platform at a specified height, thereby improving the application range of the board feeding mechanism;

[0015] (2) By using a tool to twist the screw, the screw is rotated and slides inside the hexagonal nut, so that the screw drives the transmission roller to move horizontally through the linkage seat, and the distance between the two transmission rollers can be adjusted to adjust the tension of the conveyor belt, thereby ensuring the conveying effect of the conveyor belt on the circuit board workpiece;

[0016] (3) By starting the hair dryer, the dust attached to the outer surface of the conveyor belt can be adsorbed and cleaned through the air outlet pipe and the blow hood, thereby improving the cleanliness of the outer surface of the conveyor belt, thereby reducing the phenomenon of dust erosion during the transportation of the circuit board workpiece. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0018] Figure 2 This is a schematic diagram of the structure of the load-bearing frame of the utility model from a top view;

[0019] Figure 3 For this utility model Figure 1 The enlarged structural diagram at A in the middle;

[0020] Figure 4 For this utility model Figure 1 Enlarged structural diagram at B in the middle.

[0021] In the figure: 1. base; 2. door frame; 3. electric control box; 4. motor; 5. transmission box; 6. screw; 7. guide rod; 8. nut rack; 9. load-bearing frame; 10. support foot; 11. load-bearing plate; 12. conveyor frame; 13. conveyor belt; 14. side baffle; 15. partition; 16. belt drive mechanism; 17. transmission roller; 18. positioning plate; 19. linkage seat; 20. hexagonal nut; 21. screw; 22. hair dryer; 23. air outlet pipe; 24. blow hood. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] See also Figure 1-4 The utility model provides an embodiment: a SMT board feeding mechanism, comprising a base 1, a door frame 2 is arranged on one side of the top of the base 1, a transmission box 5 is arranged on the top of the door frame 2, a belt transmission mechanism 16 is arranged on the top of the door frame 2 inside the transmission box 5, and one side of the bottom end of the belt transmission mechanism 16 is connected to the top of the screw rod 6;

[0024] When in use, the belt transmission mechanism 16 is arranged to drive the screw rod 6 to rotate;

[0025] A motor 4 is disposed on the top of the door frame 2 on one side of the screw rod 6, and the top end of the motor 4 is connected to the bottom end of the belt transmission mechanism 16;

[0026] When in use, the motor 4 is arranged to drive the belt transmission mechanism 16 to operate;

[0027] A screw rod 6 is rotatably mounted on the top of the door frame 2, and guide rods 7 are arranged on the top of the door frame 2 on both sides of the screw rod 6. A nut frame 8 is threadedly mounted on the outer wall of the lower end of the screw rod 6, and the nut frame 8 is movably connected to the guide rod 7;

[0028] A bearing frame 9 is arranged on the outer wall of one side of the nut frame 8, a bearing plate 11 is arranged on the top of the bearing frame 9, a conveying frame 12 is arranged on the top of the bearing plate 11, positioning plates 18 are arranged on the outer surfaces of both sides of the conveying frame 12, transmission rollers 17 are arranged on both sides of the conveying frame 12, linkage seats 19 are arranged at both ends of the transmission rollers 17, and hexagonal nuts 20 are arranged on the outer wall of the positioning plate 18 on one side of the linkage seat 19 through a bracket;

[0029] When in use, the hexagonal nut 20 is arranged so as to place the screw rod 21;

[0030] The internal thread of the hexagonal nut 20 is connected with a screw rod 21, one end of the screw rod 21 extends to the outside of the hexagonal nut 20, and the other end of the screw rod 21 extends to the outside of the hexagonal nut 20 and is rotatably connected to the outer wall of the linkage seat 19;

[0031] When in use, the screw 21 is rotated and slid inside the hexagonal nut 20 to adjust the position of the driving roller 17;

[0032] A conveyor belt 13 is wound on the outer wall between the two transmission rollers 17, and a blower 22 is arranged on the top of the carrier plate 11 below the conveyor belt 13. The input end of the blower 22 is electrically connected to the output end of the single chip microcomputer inside the electric control box 3;

[0033] When in use, the blower 22 is arranged so as to place the air outlet pipe 23 and the blow hood 24;

[0034] An air outlet pipe 23 is disposed at one end of the hair dryer 22, and an air blower cover 24 is disposed at the end of the air outlet pipe 23 away from the hair dryer 22;

[0035] When in use, the air outlet pipe 23 and the air blowing cover 24 are arranged so as to blow and clean the outer wall of the conveyor belt 13;

[0036] The outer wall of the conveyor belt 13 is provided with partitions 15 at equal intervals, and the tops of the conveyor frames 12 on both sides of the conveyor belt 13 are provided with side baffles 14;

[0037] When in use, the partition plate 15 and the side baffle plate 14 are arranged so as to perform intermittent conveying and lateral blocking protection on the circuit board workpiece;

[0038] An electric control box 3 is arranged at the top of the base 1 on the side of the nut frame 8 away from the supporting frame 9 , and supporting feet 10 are arranged at the corner positions of the bottom end of the base 1 .

[0039] When the embodiment of the present application is in use, firstly, by turning on the hair dryer 22, the hair dryer 22 is sucked and cleaned through the air outlet pipe 23 and the air hood 24 on the outer surface of the conveyor belt 13, so as to reduce the dust adhering to the outer wall of the conveyor belt 13, so as to improve the cleanliness of the outer surface of the conveyor belt 13, and then a driving roller 17 is driven to operate by the rotating driving member on the outer wall of the conveyor frame 12, so that the two driving rollers 17 cooperate with each other to drive the conveyor belt 13 to operate, and when the workpiece is placed on the upper surface of the conveyor belt 13, the conveyor belt 13 can transport and load the circuit board workpiece, and the side baffle 14 can be set to block and protect the circuit board workpiece laterally, so as to reduce the phenomenon of the circuit board workpiece slipping when the circuit board workpiece is transported and loaded, and the setting of multiple partitions 15 can space the circuit boards to reduce the generation of The phenomenon of mutual contact is then achieved by twisting the screw rod 21 so that the screw rod 21 is located inside the hexagonal nut 20 and rotates and slides, so that the screw rod 21 drives the transmission roller 17 to move laterally through the linkage seat 19, and the spacing between the two transmission rollers 17 can be adjusted to adjust the tension of the conveyor belt 13 to ensure the conveying and feeding effect of the conveyor belt 13 on the circuit board workpiece. Finally, the motor 4 drives the belt transmission mechanism 16 to operate, so that the belt transmission mechanism 16 drives the screw rod 6 to rotate. At this time, the nut frame 8 is located on the outer wall of the screw rod 6 and the guide rod 7 to slide, so that the nut frame 8 drives the transmission frame 12 and the conveyor belt 13 to rise and fall through the supporting frame 9, and the height of the conveyor belt 13 can be adjusted as needed to facilitate the transfer of the circuit board workpiece to the placement machine at a specified height, thereby completing the use of the board feeding mechanism.

Claims

1. A board feeding mechanism for a placement machine, characterized in that: The invention comprises a base (1), a door frame (2) is arranged on one side of the top of the base (1), a screw rod (6) is rotatably mounted on the top of the door frame (2), guide rods (7) are arranged on the tops of the door frames (2) on both sides of the screw rod (6), a nut frame (8) is threadedly mounted on the outer wall of the lower end of the screw rod (6), the nut frame (8) is movably connected to the guide rod (7), a bearing frame (9) is arranged on the outer wall of one side of the nut frame (8), and a bearing plate (9) is arranged on the top of the bearing frame (9). 11), a conveying frame (12) is arranged at the top of the carrying plate (11), positioning plates (18) are arranged on the outer surfaces of both sides of the conveying frame (12), transmission rollers (17) are arranged on both sides of the conveying frame (12), a conveyor belt (13) is wound on the outer wall between the two transmission rollers (17), an electric control box (3) is arranged at the top of the base (1) of the nut frame (8) away from the carrying frame (9), and supporting feet (10) are arranged at the corner positions of the bottom end of the base (1).

2. A chip placement machine board feeding mechanism according to claim 1, characterized in that: A transmission box (5) is arranged at the top of the portal frame (2), a belt transmission mechanism (16) is arranged at the top of the portal frame (2) inside the transmission box (5), and one side of the bottom end of the belt transmission mechanism (16) is connected to the top of the screw rod (6).

3. A board feeding mechanism for a chip mounter according to claim 2, characterized in that: A motor (4) is arranged at the top of the portal frame (2) on one side of the screw rod (6), and the top end of the motor (4) is connected to the bottom end of the belt transmission mechanism (16).

4. A board feeding mechanism for a chip mounter according to claim 1, characterized in that: A hair dryer (22) is provided at the top of the carrier plate (11) below the conveyor belt (13), and an input end of the hair dryer (22) is electrically connected to an output end of a single chip microcomputer inside the electric control box (3).

5. The board feeding mechanism of a chip mounter according to claim 1, characterized in that: The outer wall of the conveyor belt (13) is provided with partitions (15) at equal intervals, and the top ends of the conveyor frames (12) on both sides of the conveyor belt (13) are provided with side baffles (14).

6. A board feeding mechanism for a chip mounter according to claim 1, characterized in that: Both ends of the driving roller (17) are provided with linkage seats (19), and the outer wall of the positioning plate (18) on one side of the linkage seat (19) is provided with a hexagonal nut (20) through a bracket.

7. A board feeding mechanism for a chip mounter according to claim 6, characterized in that: The internal thread of the hexagonal nut (20) is connected to a screw rod (21), one end of the screw rod (21) extends to the outside of the hexagonal nut (20), and the other end of the screw rod (21) extends to the outside of the hexagonal nut (20) and is rotatably connected to the outer wall of the linkage seat (19).

8. A board feeding mechanism for a chip mounter according to claim 4, characterized in that: An air outlet pipe (23) is provided at one end of the hair dryer (22), and an air blower cover (24) is provided at one end of the air outlet pipe (23) away from the hair dryer (22).

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