Electronic component mounting apparatus

Abstract

The application discloses an electronic component mounting equipment, which comprises multiple conveyors, a guide channel is formed between two adjacent conveyors, an inclined support plate is arranged on one side of the top of the conveyor, a mounting head is arranged above the support plate, and a top plate is arranged below the conveyor; the cooperation of the limiting hole and the limiting shaft enables the top plate to intermittently move downwards along the support plate, thereby facilitating the mounting head to mount the electronic components on the top plate one by one; when the limiting plate is separated from the last limiting hole, the limiting block is guided out of the notch, the top plate moves downwards relative to the support plate and falls on the guide plate, thereby returning to the initial position for the next operation; during the whole process, the conveyor does not need to frequently start and stop according to the mounting operation, and the mounting head only needs to be adjusted in the width direction of the support plate, so that the moving path of the mounting head can be greatly simplified, and the mounting stability is improved.

Description

Technical Field

[0001] This invention relates to the field of chip mounter technology, and in particular to an electronic component mounting device. Background Technology

[0002] A pick-and-place machine, also known as a surface mount system, is a device installed after a dispensing machine or screen printer in a production line. It is a device that accurately places surface mount components onto PCB pads by moving the placement head.

[0003] Chinese patent CN219164838U discloses a chip mounter for assembling electronic components, including a stage, a support frame mounted on the top of the stage, a drive motor mounted on the left side of the support frame, a rotating shaft movably mounted on the output end of the drive motor, a conveyor belt rotatably mounted on the outer side of the rotating shaft, a fixed plate on the top of the stage, and a clamping frame on the opposite side of the fixed plate. This design, through the cooperation of the clamping frame, a first cylinder, a movable rod, the clamping plate, and a spring, facilitates the clamping of electronic components during chip mounting, avoiding the difficulty in clamping and fixing electronic components during the mounting process. The cooperation of a second cylinder, a telescopic rod, and a mounting head shortens the time required for operators to clamp and fix electronic components, improving operator efficiency and significantly increasing production efficiency.

[0004] The aforementioned device transports materials via a conveyor belt and performs placement operations using a chip mounter. However, in practical applications, the operation of the conveyor belt must be adapted to the placement operation of the chip mounter, so that the conveyor belt is stopped during the placement process to improve the stability and accuracy of the metal sheet. However, this indirectly affects the continuity of the conveyor belt's operation. In addition, when electronic components are placed haphazardly on the conveyor belt, the chip mounter needs to constantly adjust its placement position, thereby increasing the overall operating cost of the device.

[0005] Therefore, it is necessary to provide an electronic component mounting device to solve the above-mentioned technical problems. Summary of the Invention

[0006] The purpose of this invention is to provide an electronic component mounting device to solve the problem mentioned in the background art. The existing device uses a conveyor belt to transport materials and uses a mounting head to perform mounting operations. However, in practical applications, the operation of the conveyor belt must be adapted to the mounting operation of the mounting head so that the conveyor belt is in a stopped state during the mounting operation, thereby improving the stability and accuracy of the metal sheet. However, this indirectly affects the continuity of the conveyor belt's operation.

[0007] Based on the above idea, the present invention provides the following technical solutions: It includes a plurality of conveyor belts, a guiding channel is formed between adjacent two conveyor belts, an inclined support plate is arranged on one side of the top of the conveyor belt, a mounting head is arranged above the support plate, a top plate is arranged below the conveyor belt, and limiting plates are fixedly arranged at both ends of the top plate;

[0008] Limiting components connected to the support plate are arranged on both sides of the limiting plate, and a limiting shaft is elastically connected to the top of the limiting plate. A limiting hole matched with the limiting shaft is formed in the top of the support plate, and an extrusion component matched with the limiting shaft is arranged at the limiting hole. A plurality of connecting plates matched with the extrusion component are arranged on the conveyor belt. When the limiting plate moves to the support plate, the limiting plate is connected to the support plate through the limiting component, and the limiting shaft is inserted into the limiting hole. When the connecting plate moves to the pressing component, due to the traction force of the connecting plate on the pressing component, the pressing component ejects the limiting shaft from the limiting hole.

[0009] As a further solution of the present invention: The limiting component includes limiting blocks elastically arranged on both sides of the limiting plate. One side of the top of the limiting block is set as a second inclined surface. The support plate is integrally set in a "hui" shape, and guiding grooves are formed on the front and rear sides of the bottom surface of the support plate. The guiding grooves are matched with the limiting plate. Limiting grooves are formed on both inner side walls of the guiding grooves and are matched with the limiting blocks. Slot openings are formed on the front and rear sides of the bottom of the support plate. The slot openings are set in two groups, and the width of the group of slot openings far from the conveyor belt is greater than that of the other group of slot openings. The widths of the limiting blocks on the two limiting plates are respectively adapted to the two groups of slot openings.

[0010] As a further solution of the present invention: The pressing component includes a pressing block elastically connected to the support plate. A limiting column is slidably arranged at the limiting hole. The limiting column is arranged below the pressing block, and one side of the pressing block close to the limiting column is set as a first inclined surface. A blocking disc is fixedly arranged at the top end of the limiting column. A third spring is sleeved on the outer side of the limiting column, and the third spring is arranged between the blocking disc and the support plate. A second magnet is fixedly arranged on one side of the pressing block close to the connecting plate, and a first magnet matched with the second magnet is fixedly arranged on the inner side of the connecting plate. The opposite sides of the first magnet and the second magnet have different magnetic poles.

[0011] As a further solution of the present invention: A loading plate is arranged at one end of the conveyor belt. The loading plate is located below the support plate. Guide plates are arranged on both sides of the loading plate. The guide plates are inclined, and the inclination direction is opposite to that of the support plate. One end of the guide plate extends along the guiding channel to below the top plate. Side plates are fixedly arranged on both sides of the guide plate, and the side plates are located on both sides of the loading plate.

[0012] As a further aspect of the present invention: rollers are provided at both ends of the conveyor belt, and baffles are sleeved on the outer sides of the two rollers. The baffles are located on both sides of the guide channel and are in contact with the conveyor belt.

[0013] As a further embodiment of the present invention, a stop bar is fixedly connected to the lower end of the guide plate.

[0014] As a further aspect of the present invention: a base plate is provided at the bottom of the guide plate, a cylinder is provided on the top surface of the base plate, and a support component is provided at the telescopic end of the cylinder.

[0015] As a further aspect of the present invention: the support assembly includes a sleeve rod, a connecting rod slidably disposed at the bottom end of the sleeve rod, a first spring disposed inside the sleeve rod, the two ends of the first spring being fixedly connected to the inner end face of the sleeve rod and the connecting rod respectively, and the connecting rod being fixedly connected to the telescopic end of the cylinder.

[0016] As a further aspect of the present invention: an annular groove is provided on the roller, and the annular groove is aligned with the guide channel.

[0017] As a further aspect of the present invention: a rotating shaft is fixedly installed at both ends of the roller, and a bracket is provided on the outer side of the conveyor belt, wherein the rotating shaft passes through the bracket and is rotatably connected to it.

[0018] Compared with the prior art, the beneficial effects of the present invention are as follows: This device, through the cooperation of the limiting component and the top pressing component, allows multiple electronic components to be lifted upwards and separated from the conveyor belt when the electronic components move above the top plate. At this time, the conveyor belt can continue to rotate and move new electronic components to the top plate. As the top plate moves upwards, the limiting plate will engage with the support plate, and through the cooperation of the limiting hole and the limiting shaft, the top plate can move downwards intermittently along the support plate. This facilitates the placement head to place the electronic components on the top plate one by one. When the limiting plate disengages from the last limiting hole, the limiting block is pushed out from the slot, causing the top plate to move downwards relative to the support plate and fall onto the guide plate, thus returning to the initial position for the next operation. Throughout the process, the conveyor belt does not need to be frequently started and stopped according to the placement operation, and the placement head only needs to be adjusted in the width direction of the support plate, which can greatly simplify the movement path of the placement head and improve the stability of the placement. Attached Figure Description

[0019] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0020] Figure 1 This is a schematic diagram of the overall structure of the present invention;

[0021] Figure 2 This is a three-dimensional structural schematic diagram of the present invention;

[0022] Figure 3 This is a schematic diagram of the conveyor belt and baffle structure of the present invention;

[0023] Figure 4 This is a schematic diagram of the cylinder and top plate structure of the present invention;

[0024] Figure 5 This is a schematic diagram of the pressure block and limiting post structure of the present invention;

[0025] Figure 6 This is a schematic diagram of the guide plate and side plate structure of the present invention;

[0026] Figure 7 This is a schematic diagram of the guide groove and limiting groove structure of the present invention;

[0027] Figure 8 This is a schematic diagram of the support plate and guide plate structure of the present invention;

[0028] Figure 9 This is a schematic diagram of the structure of the first magnet and the second magnet of the present invention;

[0029] Figure 10 This is the present invention. Figure 2 A magnified structural diagram at point A;

[0030] Figure 11 This is a schematic diagram of the limiting shaft and limiting block structure of the present invention;

[0031] Figure 12 This is a schematic diagram of the first spring structure of the present invention;

[0032] Figure 13 This is a schematic diagram of the third spring structure of the present invention.

[0033] In the diagram: 1. Support plate; 2. Carrier plate; 3. Mounting head; 4. Baffle; 5. Guide channel; 6. Conveyor belt; 7. Connecting plate; 8. Roller; 9. Side plate; 10. Guide plate; 11. Sleeve rod; 12. Cylinder; 13. Base plate; 14. Stop bar; 15. Limiting plate; 16. Top plate; 17. Limiting post; 18. Pressure block; 19. Guide groove; 20. Limiting groove; 21. Groove opening; 22. Limiting hole; 23. First magnet; 24. Second magnet; 25. First inclined plane; 26. First spring; 27. Connecting rod; 28. Limiting block; 29. ​​Limiting shaft; 30. Second inclined plane; 31. Baffle plate; 32. Guide rod; 33. Second spring; 34. Third spring. Detailed Implementation

[0034] like Figure 1-2 As shown, an electronic component mounting device includes three conveyor belts 6 for transporting electronic components, and a guide channel 5 is formed between two adjacent conveyor belts 6.

[0035] Rollers 8 are provided at both ends of the conveyor belt 6, so that the conveyor belt 6 is fitted between the two rollers 8. A rotating shaft is fixedly installed at both ends of the rollers 8, and a bracket is provided on the outside of the conveyor belt 6. The rotating shaft passes through the bracket and is rotatably connected to it. Specifically, a motor is installed on one of the brackets, and the end of the rotating shaft passing through the bracket is connected to the output shaft of the motor to drive the roller 8 to rotate, thereby driving the conveyor belt 6 to rotate.

[0036] In actual use, to improve the continuity of the placement operation and avoid the conveyor belt 6 from constantly starting and stopping due to the placement operation, a support plate 1 is set on one side of the top of the conveyor belt 6. A placement head 3 is set above the support plate 1. In actual application, the placement head 3 is connected to an external robot. A top plate 16 is set below the conveyor belt 6. The top plate 16 can pass through the guide channel 5 and lift the electronic components. Limiting plates 15 are fixedly set at both ends of the top plate 16. Specifically, limiting components connected to the support plate 1 are set on both sides of the limiting plate 15, and a limiting shaft 2 is elastically connected to the top of the limiting plate 15. 9. The top of the support plate 1 is provided with a limiting hole 22 that cooperates with the limiting shaft 29. A pressing component that cooperates with the limiting shaft 29 is provided at the limiting hole 22. The conveyor belt 6 is provided with multiple connecting plates 7 that cooperate with the pressing component. In actual use, the support plate 1 is inclined. When the limiting plate 15 is connected to the support plate 1, it can slide downward along the support plate 1, and the sliding direction is the same as the rotation direction of the conveyor belt 6. Specifically, when multiple electronic components move to the top plate 16 with the conveyor belt 6, the top plate 16 is driven to move upward, which in turn drives the multiple electronic components to move upward and cooperate with the conveyor belt 6. When the conveyor belt 6 separates, and the limiting plate 15 moves to the support plate 1, the limiting plate 15 is connected to the support plate 1 through the limiting component. The limiting shaft 29 and the limiting hole 22 cooperate to allow the limiting plate 15 and the support plate 1 to engage with each other. At this time, electronic components on the top plate 16 can be mounted through the iron stake. As the conveyor belt 6 continues to rotate, the connecting plate 7 on the conveyor belt 6 will move to the top pressing component. Through the traction force of the connecting plate 7 on the top pressing component, the top pressing component will push the limiting shaft 29 out of the limiting hole 22. Then, the limiting plate 15 and the top plate 16 will move downward along the support plate 1 under the action of gravity. The sliding motion moves new electronic components to the underside of the mounting head 3. By repeating the above operation, multiple electronic components on the top plate 16 can be mounted. At the same time, as the conveyor belt 6 rotates, new electronic components will move to the top plate 16, thus preparing for the next time the top plate 16 will lift the electronic components. Through the above structure, the conveyor belt 6 does not need to be constantly started and stopped according to the mounting situation during the mounting process, and the mounting head 3 only needs to move in the width direction of the support plate 1 to align the mounting head 3 with the position to be mounted on the electrical component, thereby simplifying the movement path of the mounting head 3.

[0037] As shown Figure 2-10 in FIGS. 13, the limiting component includes limiting blocks 28 arranged on both sides of the limiting plate 15. The limiting blocks 28 are elastically connected to the limiting plate 15, and one side of the top of the limiting block 28 is set as the second inclined surface 30. The support plate 1 is integrally set in a "hui" shape, and guide grooves 19 are opened on both the front and rear sides of the bottom surface of the support plate 1. The guide grooves 19 cooperate with the limiting plate 15, and limiting grooves 20 are opened on both inner side walls of the guide grooves 19. The limiting grooves 20 cooperate with the limiting blocks 28. The guide grooves 19 and the limiting grooves 20 are both parallel to the support plate 1;

[0038] Further, notch openings 21 are opened on both the front and rear sides of the bottom of the support plate 1. The notch openings 21 are set in two groups, and the width of the group of notch openings 21 away from the conveyor belt 6 is greater than the width of the other side notch openings 21. The widths of the limiting blocks 28 on the two limiting plates 15 respectively match the two groups of notch openings 21. As shown Figure 7 in the figure for description, that is, the width of the right-end notch opening 21 is greater than the width of the left-end notch opening 21, and the limiting block 28 on the limiting plate 15 at the right end of the top plate 16 cooperates with the notch opening 21 with a larger width. Similarly, the limiting block 28 on the limiting plate 15 at the left end of the top plate 16 cooperates with the notch opening 21 with a smaller width.

[0039] The pressing component includes a pressing block 18 elastically connected to the support plate 1. A limiting column 17 is slidably arranged at the limiting hole 22. The limiting column 17 is arranged below the pressing block 18, and one side of the pressing block 18 close to the limiting column 17 is set as the first inclined surface 25. In order to prevent the limiting column 17 from separating from the support plate 1, a retaining disk 31 is fixedly arranged at the top end of the limiting column 17. The diameter of the retaining disk 31 is greater than the diameter of the limiting hole 22. At the same time, a third spring 34 is sleeved outside the limiting column 17. The third spring 34 is arranged between the retaining disk 31 and the support plate 1.

[0040] A second magnet 24 is fixedly arranged on one side of the pressing block 18 close to the connecting plate 7, and a first magnet 23 cooperating with the second magnet 24 is fixedly arranged on the inner side of the connecting plate 7. The opposite surfaces of the first magnet 23 and the second magnet 24 have different magnetic poles.

[0041] In addition, a loading plate 2 is arranged at one end of the conveyor belt 6. The loading plate 2 is located below the support plate 1. Guide plates 10 are arranged on both sides of the loading plate 2. The guide plates 10 are inclined, and the inclination direction thereof is opposite to the inclination direction of the support plate 1. Specifically, one end of the guide plate 10 extends along the guide channel 5 to the lower side of the top plate 16 for supporting the top plate 16. Side plates 9 are fixedly arranged on both sides of the guide plate 10. The side plates 9 are located on both sides of the loading plate 2. In the vertical direction, the guide plates 10 are aligned with the guide grooves 19 on the support plate 1.

[0042] In order for the limiting plate 15 to move stably upward relative to the conveyor belt 6, a baffle 4 is fitted on the outside of the two rollers 8. The baffle 4 is located on both sides of the guide channel 5 and fits against the conveyor belt 6. In actual use, the baffle 4 is ring-shaped and fixed to the ground by a support column.

[0043] In actual use, when the conveyor belt 6 transports multiple electronic components to the top plate 16, the top plate 16 is driven to move upward, lifting the multiple electronic components and separating them from the conveyor belt 6. As the top plate 16 moves upward, the limiting plates 15 at both ends of the top plate 16 are inserted into the guide groove 19. During this process, the limiting blocks 28 on both sides of the limiting plate 15 come into contact with the bottom edge of the guide groove 19. Since the limiting blocks 28 are provided with a second inclined surface 30, when the limiting plate 15 moves upward in the guide groove 19, the limiting blocks 28 are squeezed into the limiting plate 15. Afterward, as the limiting plate 15 moves, the limiting blocks 28 on both sides of the limiting plate 15 pop out and are placed in the limiting groove 20. At the same time, the limiting shaft 29 at the top of the limiting plate 15 is also inserted into the limiting groove 20. Inside hole 22, the limiting plate 15 and the support plate 1 are engaged, thus stabilizing the limiting plate 15 and the top plate 16 relative to the support plate 1. Because the support plate 1 is tilted, when the limiting plate 15 is connected to the support plate 1, the top plate 16 is tilted. At this time, multiple electronic components on the top of the top plate 16 slide towards the lower end of the top plate 16 and align with each other. This structure ensures that multiple electronic components are in close contact and aligned with the width of the support plate 1. The mounting head 3 only needs to be adjusted along the width of the support plate 1 to perform the mounting operation, simplifying the movement path of the mounting head 3 and effectively improving mounting accuracy. When the mounting head 3 completes the mounting of the rightmost electrical component on the top plate 16... Subsequently, as the conveyor belt 6 rotates, the connecting plate 7 on the conveyor belt 6 moves to the leftmost pressure block 18 at the top of the support plate 1. At this time, the attraction between the first magnet 23 and the second magnet 24 can drive the pressure block 18 to move outward. During the movement, the pressure block 18 will press against the limiting post 17, thereby driving the limiting post 17 to move downward and squeezing the limiting shaft 29 out of the limiting hole 22. When the limiting shaft 29 moves out of the limiting hole 22, under the action of gravity, the top plate 16 and the limiting plate 15 will slide along the support plate 1 towards its lower end. The connecting plate 7 moves with the rotation of the conveyor belt 6 at a slower speed, while the top plate 16 and the limiting plate 15 slide downward along the support plate 1 at a faster speed, thereby causing the top plate 16 and the limiting plate 15 to slide downward along the support plate 1 towards its lower end. The limiting plate 15 will first reach another limiting hole 22 on the support plate 1. At this time, the limiting shaft 29 on the limiting plate 15 will pop out again and align with the limiting hole 22, so that the limiting plate 15 is once again engaged with the support plate 1 and remains stable. At this time, the mounting head 3 can be used to mount another electrical component on the top plate 16. Afterwards, as the conveyor belt 6 rotates, the connecting plate 7 will move to the limiting plate 15 again. Similarly, the first magnet 23 and the second magnet 24 cooperate to make the limiting shaft 29 move out of the limiting hole 22 again. Then, the limiting plate 15 will slide down along the support plate 1 again to another limiting hole 22. Repeating the above steps, multiple electronic components on the top plate 16 can be mounted. During the mounting process,The placement head 3 only needs to be adjusted along the width of the support plate 1, greatly simplifying the movement path and ensuring placement accuracy. Furthermore, the conveyor belt 6 does not need frequent starts and stops during the placement process, resulting in greater continuity and higher placement efficiency.

[0044] After the limiting shaft 29 on the limiting plate 15 disengages from the limiting hole 22 at the rightmost end, the limiting plate 15 and the top plate 16 will slide down along the support plate 1 to the bottom. At this time, the limiting blocks 28 on the two limiting plates 15 are aligned with the two sets of slots 21 respectively, so that the limiting blocks 28 can pass through the slots 21 and move down, thereby causing the top plate 16 and the limiting plate 15 to move down relative to the support plate 1 and disengage from it. During the falling process, the electronic components on the top of the top plate 16 will fall onto the material carrier plate 2, making it easy for the staff to pick them up.

[0045] When the top plate 16 falls downwards, it will land on top of the guide plate 10 and be located between the two side plates 9. Since the guide plate 10 is inclined and the end of the guide plate 10 closer to the conveyor belt 6 is lower, when the top plate 16 lands on top of the guide plate 10, the top plate 16 will slide down along the guide plate 10 to the initial state, thus facilitating the next use. Since the top plate 16 slides between the two side plates 9 and within the guide channel 5, it is prevented from detaching from the guide plate 10.

[0046] In summary, this device, through the cooperation of the limiting component and the pressing component, allows multiple electronic components to be lifted upwards and separated from the conveyor belt 6 when they move above the top plate 16. The conveyor belt 6 can then continue rotating to move new electronic components to the top plate 16. As the top plate 16 moves upwards, the limiting plate 15 engages with the support plate 1, and through the cooperation of the limiting hole 22 and the limiting shaft 29, the top plate 16 can intermittently move downwards along the support plate 1, thus facilitating the placement head 3 to place components one by one. When electronic components are mounted on the top plate 16, and the limiting plate 15 disengages from the last limiting hole 22, the limiting block 28 is pushed out from the slot 21, causing the top plate 16 to move downward relative to the support plate 1 and fall onto the guide plate 10, thus returning to the initial position for the next operation. Throughout the process, the conveyor belt 6 does not need to be frequently started and stopped according to the mounting operation, and the mounting head 3 only needs to be adjusted in the width direction of the support plate 1, which can greatly simplify the movement path of the mounting head 3 and improve the stability of mounting.

[0047] like Figure 4-5As shown in Figure 12, in order to position the top plate 16, a baffle 14 is fixedly connected to the lower end of the guide plate 10. A first support leg is fixedly connected to the bottom of the baffle 14, and a second support leg is fixedly connected to the higher end of the guide plate 10, thereby completing the installation of the guide plate 10.

[0048] To move the top plate 16 upward, a base plate 13 is provided at the bottom of the guide plate 10. Multiple columns are fixedly provided at the bottom of the base plate 13, and a cylinder 12 is provided on the top surface of the base plate 13. A support assembly is provided at the telescopic end of the cylinder 12. Specifically, the support assembly includes a sleeve rod 11, and a connecting rod 27 is slidably provided at the bottom end of the sleeve rod 11. In addition, a first spring 26 is provided inside the sleeve rod 11. The two ends of the first spring 26 are fixedly connected to the inner end face of the sleeve rod 11 and the connecting rod 27, respectively. The connecting rod 27 is fixedly connected to the telescopic end of the cylinder 12. The sleeve rod 11 passes through the guide plate 10 and is slidably connected to it, and the bottom end of the sleeve rod 11 is in contact with the top plate 16.

[0049] When it is necessary to move the top plate 16 upward, the telescopic end of the cylinder 12 drives the sleeve rod 11 upward, thereby lifting the top plate 16 upward. Since the support plate 1 is inclined, the strip groove and the limiting groove 20 are also inclined relative to the horizontal plane. Therefore, the locking blocks on the two limiting blocks 28 will cooperate with the limiting groove 20 one after another. Since the sleeve rod 11 is elastically connected to the connecting rod 27, interference between the sleeve rod 11 and the connecting rod 27 is avoided during the upward movement of the top plate 16. In practical applications, a positioning hole can also be opened on the bottom surface of the top plate 16 so that the sleeve rod 11 can be inserted into the positioning hole when moving the top plate 16 upward, thereby improving the stability of the sleeve rod 11 moving the top plate 16 upward. Of course, in actual use, the top plate 16 can also be moved upward by other power components such as hydraulic rods.

[0050] like Figure 1-3 As shown, an annular groove is provided on the roller 8, and the annular groove is aligned with the guide channel 5 to avoid interference between the top plate 16 and the roller 8 during the resetting process. In actual use, in order for the roller 8 to drive the conveyor belt 6 to rotate more stably, a slot can be opened on the outer circumference of the roller 8, and a tooth that cooperates with the slot is provided on the inner wall of the conveyor belt 6.

[0051] The bottom of the material carrier plate 2 is fixedly connected to a support column, and the bottom of the base plate 13 is fixedly connected to a column, which facilitates the installation of the base plate 13 and the material carrier plate 2.

[0052] like Figure 5As shown, a vertical plate is fixedly installed on the top of the support plate 1. The vertical plate is located on both sides of the pressure block 18. A guide rod 32 is fixedly connected between the two vertical plates on the same side. A protrusion is fixedly installed on both sides of the pressure block 18. The guide rod 32 passes through the protrusion and is slidably connected to it. A second spring 33 is sleeved on the outside of the guide rod 32. The second spring 33 is located on the outside of the protrusion and between the protrusion and the vertical plate, so as to realize the elastic connection between the pressure block 18 and the support plate 1.

[0053] like Figure 11 As shown, grooves are provided on the top and both sides of the limiting plate 15. The limiting shaft 29 and the limiting block 28 are slidably disposed in the grooves. In addition, a spring is provided in the groove. One end of the spring is fixedly connected to the inner end face of the groove, and the other end of the spring is fixedly connected to the limiting shaft 29 and the limiting block 28, thereby realizing the elastic connection between the limiting shaft 29, the limiting block 28 and the limiting plate 15.

Claims

1. An electronic component mounting apparatus comprising a plurality of conveyors, a guide passage being formed between adjacent conveyors, an inclined support plate being provided on a top side of the conveyors, and a mounting head being provided above the support plate, characterized in that: A top plate is arranged below the conveyor belt, and limiting plates are fixedly arranged at both ends of the top plate; ​ Limiting components connected to the support plate are arranged on both sides of the limiting plate, and a limiting shaft is elastically connected to the top of the limiting plate. A limiting hole matching the limiting shaft is formed in the top of the support plate, and an extrusion component matching the limiting shaft is arranged at the limiting hole. A plurality of connecting plates matching the extrusion component are arranged on the conveyor belt. When the limiting plate moves to the position of the support plate, the limiting plate is connected to the support plate through the limiting component, and the limiting shaft is inserted into the limiting hole. When the connecting plate moves to the position of the pressing component, the pressing component ejects the limiting shaft from the limiting hole by the traction force of the connecting plate on the pressing component.

2. The electronic component mounting apparatus according to claim 1, wherein: The limiting component includes limiting blocks elastically arranged on both sides of the limiting plate. One side of the top of the limiting block is set as a second inclined surface. The support plate is integrally set in a "return" shape, and guiding grooves are formed on the front and rear sides of the bottom surface of the support plate. The guiding grooves are matched with the limiting plate, and limiting grooves are formed on both inner side walls of the guiding grooves. The limiting grooves are matched with the limiting blocks. Groove openings are formed on the front and rear sides of the bottom of the support plate. The groove openings are set in two groups, and the width of one group of groove openings far from the conveyor belt is greater than that of the other group. The widths of the limiting blocks on the two limiting plates are respectively adapted to the two groups of groove openings.

3. The electronic component mounting apparatus according to claim 2, wherein: The pressing component includes a pressing block elastically connected to the support plate. A limiting column is slidably arranged at the limiting hole. The limiting column is arranged below the pressing block, and one side of the pressing block close to the limiting column is set as a first inclined surface. A blocking disc is fixedly arranged at the top end of the limiting column. A third spring is sleeved on the outer side of the limiting column. The third spring is arranged between the blocking disc and the support plate. A second magnet is fixedly arranged on one side of the pressing block close to the connecting plate, and a first magnet matched with the second magnet is fixedly arranged on the inner side of the connecting plate. The opposite surfaces of the first magnet and the second magnet have different magnetic poles.

4. The electronic component mounting apparatus according to claim 1, wherein: A loading plate is arranged at one end of the conveyor belt. The loading plate is located below the support plate. Guide plates are arranged on both sides of the loading plate. The guide plates are inclined, and the inclined direction is opposite to that of the support plate. One end of the guide plate extends along the guide channel to the lower part of the top plate. Side plates are fixedly arranged on both sides of the guide plate. The side plates are located on both sides of the loading plate.

5. The electronic component mounting apparatus according to claim 1, wherein: Drums are arranged at both ends of the conveyor belt. A baffle is sleeved on the outer sides of the two drums. The baffle is located on both sides of the guide channel and is in contact with the conveyor belt.

6. The electronic component mounting apparatus according to claim 4, wherein: A blocking strip is fixedly connected to the lower end of the guide plate.

7. The electronic component mounting apparatus according to claim 4, wherein the component mounting head is configured to mount the component on the substrate in a state in which the component is held by the component holding head. A bottom plate is arranged at the bottom of the guide plate. A cylinder is arranged on the top surface of the bottom plate. A support component is arranged at the telescopic end of the cylinder.

8. The electronic component mounting apparatus according to claim 7, wherein: The support component includes a sleeve rod. A connecting rod is slidably arranged at the bottom end of the sleeve rod. A first spring is arranged in the sleeve rod. The two ends of the first spring are respectively fixedly connected to the inner end face of the sleeve rod and the connecting rod. The connecting rod is fixedly connected to the telescopic end of the cylinder.

9. The electronic component mounting apparatus according to claim 5, wherein: An annular groove is formed in the drum. The annular groove is aligned with the guide channel.

10. The electronic component mounting apparatus according to claim 5, wherein: Shafts are fixedly installed at both ends of the drum. A support is arranged on the outer side of the conveyor belt. The shaft passes through the support and is rotatably connected to the support.

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