Circuit board surface coating device for circuit board production

Abstract

The invention relates to the technical field of coating devices, and particularly discloses a circuit board surface coating device for circuit board production, which comprises a box body, conveying rollers and a stacking frame, the conveying rollers are arranged in the box body at intervals along the length direction, and the stacking frame is arranged at the left side end part of the box body; the device further comprises a first detection rod, a second detection rod, a rotating assembly, an overturning assembly, a guide plate and a second conveying roller. The rotating assembly is arranged in the box body, the overturning assembly is arranged in the box body, the first detection rod and the second detection rod are arranged in the box body, the second conveying rollers are arranged on the two sides of the overturning assembly, the guide plates are arranged on the second conveying rollers, and the guide plate close to one side of the rotating assembly has a first state and a second state; according to the circuit board surface coating device for circuit board production, the front face, the back face and the direction of a PCB can be judged, the conveying accuracy of the PCB is improved, therefore, the subsequent coating procedure is prevented from being affected, and the production efficiency is improved.

Description

Technical Field

[0001] The invention relates to the technical field of coating devices, and in particular to a circuit board surface coating device used in circuit board production. Background Art

[0002] The circuit board surface coating device is a device used to coat a layer of protective coating on the surface of the PCB board. This coating can provide insulation, moisture resistance, corrosion resistance, heat dissipation and other functions. It is used to place the uncoated circuit board into the coating device, which usually includes a conveyor belt or a clamp. These devices play a vital role in the automated assembly line. They can improve production efficiency, reduce manual errors and improve product quality.

[0003] A Chinese patent with the authorization announcement number CN118714747B discloses a circuit board surface coating device for circuit board production, including a coating and curing work box, the bottom of the opening of the coating and curing work box is provided with a slide moving device, the slide moving device is provided with two synchronously movable slide rail frames, the two slide rail frames are provided with a circuit board placement plate, the two sides of the circuit board placement plate are sleeved with two horizontally synchronously movable limit frames, the middle of the circuit board placement plate is provided with a fixed positioning frame, the front and rear sides of the fixed positioning frame are provided with a number of adaptive positioning frames that can move on the circuit board placement plate, and the limit frames and the adaptive positioning frames can move simultaneously. A circuit board surface coating device for circuit board production in this patent document can adaptively fix and transport circuit boards of different models of the same basic version.

[0004] The above patent document fixes and transports circuit boards of different models of the same basic version by adapting to each other. However, the PCB boards usually need to be manually stacked or loaded before loading. However, manual stacking or loading is prone to negligence, and the front and back sides or directions of the PCB boards are reversed. In the subsequent loading process, the direction and front and back sides cannot be distinguished in time, which can easily lead to the subsequent coating being unable to be processed normally, and may cause damage to the PCB boards during coating, increase the loss of PCB board production, and increase the economic cost of production. Summary of the invention

[0005] The present invention provides a circuit board surface coating device for circuit board production, aiming to solve the technical problem in the related art that the front and back sides of the PCB board cannot be distinguished in time during the feeding and conveying process, which easily leads to the inability to process the subsequent coating normally, and may cause damage to the circuit board during coating, thereby increasing the production loss of the PCB board.

[0006] The present invention discloses a circuit board surface coating device for circuit board production, comprising: a box, a conveying roller, a stacking rack and an adsorption component, wherein the conveying rollers are arranged inside the box at intervals along the length direction, the stacking rack is arranged at the left end of the box, PCB boards are arranged on the stacking rack at intervals from top to bottom, the adsorption component is arranged on the inner top wall of the box, the adsorption component can place the PCB boards on the stacking rack on the conveying roller, and further comprising: a first detection rod, a second detection rod, a rotating component, a flipping component, a guide plate and a second conveying roller; The rotating assembly is arranged inside the box, and the rotating assembly can rotate the PCB board one hundred and eighty degrees. The flip assembly is arranged inside the box, and the flip assembly can flip the PCB board front and back. The detection rod one and the detection rod two are arranged inside the box, and the detection rod one and the detection rod two can determine whether the conveying direction or the front and back are correct. The second conveying roller is arranged on both sides of the flip assembly, and the guide plate is arranged on the second conveying roller. The guide plate close to the rotating assembly has a first state and a second state. When in the first state, the guide plate is horizontally arranged to indicate that the PCB board is normally conveyed and loaded. When in the second state, the guide plate is tilted to indicate that the PCB board needs to pass through the flip assembly, and can be normally conveyed and loaded after flipping.

[0007] The beneficial effects of the present invention are as follows: when coating the PCB board raw materials, the front and back sides and the direction of the PCB board can be determined, thereby avoiding negligence during manual stacking, improving the accuracy of PCB board transportation, thereby avoiding affecting the subsequent coating process, improving production efficiency, and reducing product loss.

[0008] Preferably, a conveying cavity is provided inside the box, and the conveying cavity is a rectangular chamber, a groove is provided on the top wall of the box, and the groove is used to place a stacking rack, the stacking rack has two vertically spaced vertical plates, and support bars are provided on the opposite side walls of the two vertical plates, the support bars on the two vertical plates correspond to each other one by one, and the support bars are used to support the PCB board.

[0009] Preferably, the adsorption assembly includes a sliding rod, a suction cup and a slider, the sliding rod is arranged on the inner top wall of the box body, and the sliding rod is arranged along the length direction of the box body, the slider is arranged on the sliding rod, the suction cup is arranged at the bottom of the slider, and there are multiple suction nozzles on the suction cup, and the suction nozzles can contact the PCB board for negative pressure suction.

[0010] The effect is that the adsorption component can place the PCB boards on the conveying rollers in sequence, thereby improving the efficiency of manual material placement and having relatively high stability.

[0011] Preferably, the rotating assembly includes a motor, a gear plate and a support plate. The motor is arranged inside the box and the motor is located at the bottom of the conveying chamber. The gear plate is arranged on the inner bottom wall of the conveying chamber, and the output end of the motor is connected to the gear plate so that the motor can drive the gear plate to rotate. The support plate is vertically arranged on the top of the gear plate, and the support plates have two.

[0012] The effect is that the PCB board being loaded can be automatically rotated in the plane so that the PCB board can be rotated 180 degrees, thereby improving the accuracy of loading and ensuring the normal progress of subsequent coating work.

[0013] Preferably, a first fixed plate is provided on the side wall of the support plate, a second slide bar is provided on the first fixed plate, the second slide bar is arranged along the length direction of the first fixed plate, a U-shaped slider is provided on the outer wall of the second slide bar, so that the U-shaped slider can slide left and right along the length direction of the second slide bar, a connecting plate is provided on the outer wall of the U-shaped slider, a first conveying frame is provided on the outer wall of the connecting plate, a second conveying frame is provided on the outer wall of the connecting plate, belts are provided on the first conveying frame and the second conveying frame, and the belts can rotate to convey the PCB board.

[0014] Preferably, a telescopic rod 1 is provided on the inner top wall of the conveying cavity, a connecting frame 1 is provided on the bottom end of the telescopic rod 1, a detection rod 1 is provided on the connecting frame 1, and there are two detection rods 1, both of which are elastically supported by springs, and a pressure sensor is provided on the top of the spring, a telescopic rod 2 is provided on the support plate, a second connecting frame is provided on the top of the telescopic rod 2, and the detection rod 2 is provided on the second connecting frame.

[0015] Preferably, two inclined conveyor belts are arranged inside the conveying cavity, and the two inclined conveyor belts are arranged in an eight-shaped shape. The two inclined conveyor belts are respectively located on both sides of the flip assembly. Two second conveying rollers are arranged on both sides of the flip assembly, and the guide plates are symmetrically arranged on the outer circumference of the second conveying rollers.

[0016] The effect is that the conveying route of the PCB board can be changed, so that the PCB board can stably enter the flip assembly.

[0017] Preferably, the flipping assembly includes a second support plate, a transverse plate and a V-shaped guide groove. The second support plate is arranged inside the conveying cavity, and the second support plate has two transverse plates, both of which are arranged on opposite side walls of the second support plate. The V-shaped guide groove is opened on the transverse plate, a rack plate is arranged on the top of the transverse plate, a third slide bar is arranged on the transverse plate, and a third slide bar is slidably arranged on the outer wall of the third slide bar.

[0018] Preferably, a second fixed plate is provided on the outer wall of the third slider, a rotating disk is provided on the outer wall of the second fixed plate, two conveying frames are provided on the rotating disk, and the two conveying frames are arranged in a rectangular shape and spaced apart from each other, and rotating rollers are arranged at intervals on each conveying frame, and the rotating rollers are arranged along the length direction of the conveying frame, and conveyor belts are connected to the outer circumferential surfaces of the multiple rotating rollers.

[0019] Preferably, a Z-shaped connecting rod is rotatably provided on the second fixed plate, one end of the Z-shaped connecting rod is fixedly connected to the rotating disk, and the other end of the Z-shaped connecting rod is located in the V-shaped guide groove, and the Z-shaped connecting rod can cooperate with the V-shaped guide groove. A servo motor is provided on the outer wall of one side of the second fixed plate, and a rotating shaft is provided at the output end of the servo motor, and a gear 1 is provided at one end of the rotating shaft, and the gear 1 is meshed with the rack plate.

[0020] The effect is that the flip assembly can flip and swap the front and back sides of the PCB board, so that the PCB board can be normally conveyed and loaded, avoiding affecting the subsequent coating process, improving production efficiency, and reducing product loss.

[0021] The beneficial effects of the present invention are: When the PCB board is automatically loaded, the adsorption component first adsorbs the PCB board, and then moves the adsorbed PCB board from left to right to place it on the conveying roller. The conveying roller rotates to drive the PCB board to move from left to right. When the PCB board moves to the position of the rotating component, the detection rod 1 and the detection rod 2 move downward to detect the detection hole. If the front side is judged to be wrong and the hole position is wrong, it only needs to be rotated 180 degrees. If the front and back sides are wrong, the guide plate changes from the first state to the second state to change the moving path of the PCB board, so that the PCB board continues to be conveyed after passing through the flipping component, so that the front and back sides and the direction of the PCB board can be judged, avoiding negligence during manual stacking, improving the accuracy of PCB board transportation, thereby avoiding affecting the subsequent coating process, improving production efficiency, and reducing product loss. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a schematic diagram of the overall structure of the present invention.

[0023] Figure 2 It is a schematic diagram of the structure of the delivery cavity of the present invention.

[0024] Figure 3 It is a schematic diagram of the conveying roller structure of the present invention.

[0025] Figure 4 It is a schematic diagram of the gear plate structure of the present invention.

[0026] Figure 5 It is a schematic diagram of the transmission box structure of the present invention.

[0027] Figure 6 The present invention Figure 5 Enlarged view of point A in the middle.

[0028] Figure 7 It is a schematic diagram of the second transmission rod structure of the present invention.

[0029] Figure 8 It is a schematic diagram of the rotating rod structure of the present invention.

[0030] Fig. 9 It is a schematic diagram of the structure of the inclined conveyor belt of the present invention.

[0031] Fig.10 It is a schematic diagram of the V-shaped guide groove structure of the present invention.

[0032] Fig.11 It is a schematic diagram of the second support plate structure of the present invention.

[0033] Fig.12 It is a schematic diagram of the rotating disk structure of the present invention.

[0034] Fig.13 It is a schematic diagram of the servo motor structure of the present invention.

[0035] Fig.14 It is a schematic diagram of the structure of a stacking rack of the present invention.

[0036] Fig.15 It is a structural schematic diagram of the detection rod of the present invention.

[0037] Reference numerals: 10. Box body; 11. Conveying cavity; 12. Stacking rack; 13. Groove; 14. Support bar; 15. Slide bar; 16. Sliding block; 17. Suction cup; 20. Conveying roller; 21. Conveying guide plate; 22. Turning plate; 23. Guide plate; 25. Inclined conveyor belt; 26. Second conveying roller; 30. Motor; 31. Gear plate; 32. Support plate; 33. First fixed plate; 34. Second slide bar; 35. U-shaped slider; 36. Connecting plate; 37. First conveying rack; 38. Second conveying rack; 40. First gear; 41. Rotating rod; 42. Second gear; 43. One-way bearing; 44. First transmission rod; 45. First partial teeth; 46. Second partial teeth; 47. Third gear; 48. First elastic member ;49. Transmission box;50. Second transmission rod;51. Third partial teeth;52. Fourth partial teeth;53. Fourth gear;54. Second elastic member;55. First rotating roller;56. Second rotating roller;60. Telescopic rod one;61. Connecting frame one;62. Detection rod one;63. Detection rod two;65. Second connecting frame;66. Telescopic rod two;70. Second support plate;71. Cross plate;72. V-shaped guide groove;73. Third slide bar;74. Rack plate;75. Third slide bar;76. Second fixed plate;77. Rotating disk;78. Conveying frame;79. Rotating roller;80. Conveying belt;81. Z-shaped connecting rod;82. Servo motor;83. Rotating shaft;84. Gear one;99. Coating assembly. DETAILED DESCRIPTION

[0038] Embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and intended to be used to explain the present invention, but should not be understood as limiting the present invention.

[0039] like Figures 1 to 15As shown, a circuit board surface coating device for circuit board production of the present invention comprises: a box body 10, a coating component 99, a conveying roller 20, a stacking rack 12, an adsorption component, a rotating component, a flipping component, a second conveying roller 26, a guide plate 23, a detection rod 1 62 and a detection rod 2 63, the conveying roller 20 is arranged inside the box body 10 at intervals along the length direction, and the conveying roller 20 can rotate by itself, the stacking rack 12 is arranged at the left end of the box body 10, and the stacking rack 12 is arranged with PCB boards at intervals from top to bottom, the adsorption component is arranged on the inner top wall of the box body 10, and the adsorption component can adsorb the PCB board on the stacking rack 12 and place it on the conveying roller 20, the rotating component is arranged inside the box body 10, and the rotating component can rotate the PCB board 180 degrees, and the flipping component is arranged inside the box body 10, and the flipping component can The front and back sides of the PCB board can be flipped over, the detection rod 1 62 and the detection rod 2 63 are arranged inside the box 10, and the detection rod 1 62 and the detection rod 2 63 are symmetrically arranged up and down, the detection rod 1 62 and the detection rod 2 63 can be inserted into the opening on the PCB board, and the two detection rods are used to determine whether the front and back sides of the PCB board or the direction of the board conveyed are correct, the second conveying roller 26 is arranged on both sides of the flipping component, and the guide plate 23 is arranged on the second conveying roller 26. The guide plate 23 on the second conveying roller 26 close to the rotating component has a first state and a second state. When in the first state, the guide plate 23 is horizontally arranged to indicate that the PCB board is normally conveyed and loaded. When in the second state, the guide plate 23 is tilted to indicate that the PCB board needs to pass through the flipping component, and after flipping, it is normally conveyed and loaded. The coating component 99 is arranged on the box 10.

[0040] When the PCB board is automatically loaded, the adsorption component first adsorbs the PCB board, and then moves the adsorbed PCB board from left to right to place it on the conveying roller 20. The conveying roller 20 rotates to drive the PCB board to move from left to right. When the PCB board moves to the position of the rotating component, the detection rod 1 62 and the detection rod 2 63 move downward to detect the detection hole. The PCB board conveyed in this embodiment is a rectangular plate, so the negligence in manual stacking only exists in a 180-degree rotation or flipping. Therefore, when the two detection rods detect that the PCB board is the front and the hole position is wrong, it only needs to be rotated 180 degrees. When the PCB board is wrong on the front and back sides, the guide plate 23 changes from the first state to the second state to change the moving path of the PCB board, so that the PCB board continues to be conveyed after passing through the flipping component, and the coating component 99 coats the adjusted PCB board, thereby judging the front and back sides and the direction of the PCB board to avoid negligence during manual stacking, improve the accuracy of PCB board transportation, thereby avoiding affecting the subsequent coating process, improving production efficiency, and reducing product loss.

[0041] like Figure 1 to Figure 2As shown, a conveying cavity 11 is provided inside the box body 10, and the conveying cavity 11 is a rectangular cavity. A groove 13 is provided on the top wall of the box body 10, and the groove 13 is used to place a stacking rack 12. The PCB boards are manually stacked on the stacking rack 12, and then the stacking rack 12 is slid and placed inside the groove 13, and the stacking rack 12 can be lifted from bottom to top. The stacking rack 12 has two vertically spaced vertical plates, and support bars 14 are provided on the opposite side walls of the two vertical plates. The support bars 14 on the two vertical plates correspond to each other one by one. The support bars 14 are used to support the PCB boards, and the support bars 14 have anti-slip pads that can have a large friction force on the PCB boards, thereby preventing the PCB boards from sliding and improving the stability of the PCB boards on the stacking rack 12.

[0042] like Fig.14 As shown, the adsorption assembly includes a slide bar 15, a suction cup 17 and a slider 16. The slide bar 15 is arranged on the inner top wall of the box body 10, and the slide bar 15 is arranged along the length direction of the box body 10. The slider 16 is arranged on the slide bar 15. The slider 16 can slide left and right along the length direction of the slide bar 15. The suction cup 17 is arranged at the bottom of the slider 16. There are multiple suction nozzles on the suction cup 17. The suction nozzles can contact the PCB board for negative pressure suction, so that the PCB board can be adsorbed and conveyed to be placed on the conveying roller 20.

[0043] When in use, first push the stacking rack 12 into the slot 13, and the slider 16 drives the suction cup 17 to move to the top of the stacking rack 12, and the suction nozzle on the suction cup 17 sucks the PCB board with negative pressure, and then drives the PCB board to move from left to right, and places the PCB board on the conveying roller 20 for movement.

[0044] like Figures 2 to 4 As shown, the conveying rollers 20 are arranged at intervals along the length direction of the conveying cavity 11, and two conveying guide plates 21 are provided on the inner top wall of the box body 10, and the interval length of the two conveying guide plates 21 is the width length of the PCB board, so that the PCB board is always in a straight line on the conveying rollers 20. The first rotating roller 55 and the second rotating roller 56 are provided on the left and right sides of the rotating component. The outer peripheral surfaces of the first rotating roller 55 and the second rotating roller 56 are provided with flip plates 22. The flip plates 22 are used to support the PCB board that is about to arrive on the rotating component. At the same time, the flip plates 22 can be flipped down when the rotating component adjusts the PCB board, so that the rotating component has sufficient rotation space when rotating, thereby ensuring the stability of the rotating component. At the same time, the flip plates 22 can support the PCB board, ensure the stability of the PCB board when entering the rotating component, and improve the stability of automatic feeding.

[0045] like Figure 4 and Fig.15As shown, a telescopic rod 60 is provided on the inner top wall of the conveying cavity 11, a connecting frame 61 is provided on the bottom end of the telescopic rod 60, a detection rod 62 is provided on the connecting frame 61, and there are two detection rods 62, both of which are elastically supported by springs, and a pressure sensor is provided at the top of the spring.

[0046] like Fig.15 As shown, assuming that the hole on the left side of the front is correct, when the telescopic rod 60 drives the connecting frame 61 to move downward, the connecting frame 61 drives the detection rod 62 to move downward, and the pressure sensor on the left detection rod 62 has no pressure value, and the pressure sensor on the right detection rod 62 has a pressure value, it means that the detection result is that there is a hole on the left side of the front, and the PCB board can be transported and loaded normally.

[0047] like Fig.15 As shown, assuming that the hole on the left side of the front is correct, the pressure sensor on the left detection rod 62 has a pressure value, and the pressure sensor on the right detection rod 62 has no pressure value, indicating that the PCB board has a hole on the right side of the front. At this time, the PCB board needs to be horizontally rotated 180 degrees before conveying and loading.

[0048] like Fig.15 As shown, assuming that the opening on the left side of the front side is correct, the pressure sensor on the left detection rod 1 62 has a pressure value, and the pressure sensor on the right detection rod 1 62 has a pressure value, indicating that the PCB board is on the back side at this time, and it is necessary to use the detection rod 2 63 to determine the opening position. The principle is the same as the above, and it will not be repeated here. Subsequently, it needs to be turned over by the flip assembly. A signal collector is provided in the box body 10. The signal collector can control the rotation of the second conveying roller 26, so that the guide plate 23 changes from the first state to the second state, thereby changing the conveying direction of the PCB board, so that the PCB board enters the flip assembly for flipping and conveying.

[0049] like Figures 3 to 6As shown, the rotating assembly includes a motor 30, a gear plate 31 and a support plate 32. The motor 30 is arranged inside the box body 10, and the motor 30 is located at the bottom of the conveying chamber 11. The gear plate 31 is arranged on the inner bottom wall of the conveying chamber 11, and the output end of the motor 30 is connected to the gear plate 31, so that the motor 30 can drive the gear plate 31 to rotate. The support plate 32 is arranged on the top of the gear plate 31, and the support plate 32 has two, and the first fixing plates 33 are arranged on the opposite side walls of the two support plates 32, and the first fixing plates 33 are arranged on the second slide bar 34, and the second slide bar 34 is arranged along the length direction of the first fixing plate 33, and the second slide bar 34 is arranged along the length direction of the first fixing plate 33. The outer wall of the U-shaped slider 35 is provided with a U-shaped slider 35, so that the U-shaped slider 35 can slide left and right along the length direction of the second slide bar 34, the outer wall of the U-shaped slider 35 is provided with a connecting plate 36, the outer wall of the connecting plate 36 is provided with a first conveying frame 37, and the outer wall of the connecting plate 36 is provided with a second conveying frame 38. Belts are provided on the first conveying frame 37 and the second conveying frame 38, and the belts can rotate to convey the PCB board. The positions of the first conveying frame 37 and the second conveying frame 38 can be adjusted by sliding the U-shaped slider 35 and the second slide bar 34, so as to adapt to the conveying of PCB boards of different sizes, facilitate timely adjustment, and increase the adaptability of the device.

[0050] When the PCB board moves to the position of the rotating assembly, the belts on the first conveyor frame 37 and the second conveyor frame 38 will rotate and drive the PCB board to the middle position of the rotating assembly. At this time, the detection rod 1 62 and the detection rod 2 63 move toward the PCB board. When the detection rod 1 62 detects that the front side of the PCB board is facing up, but the direction needs to be adjusted one hundred and eighty degrees, the motor 30 drives the gear plate 31 to rotate, and the rotation of the gear plate 31 drives the support plate 32 to rotate. The rotation of the support plate 32 drives the two groups of the first conveyor frame 37 and the second conveyor frame 38 to rotate, so that the PCB board rotates one hundred and eighty degrees. After the rotation is completed, the detection rod 1 62 and the detection rod 2 63 will be detected again. After the detection hole position is correct, the belts on the first conveyor frame 37 and the second conveyor frame 38 rotate to drive the PCB board to continue to move to the right.

[0051] like Figure 4 and Fig.15 As shown, a telescopic rod 66 is provided on the support plate 32, a second connecting frame 65 is provided at the top of the telescopic rod 66, a detection rod 63 is provided on the second connecting frame 65, and there are two detection rods 63. Both detection rods 63 are elastically supported by springs, and a pressure sensor is provided at the top of the spring. The detection rod 63 is mainly used to detect the bottom surface of the PCB board. The detection rod 63 is consistent with the above principle, so it is not repeated.

[0052] Therefore, the detection rod 1 62 and the detection rod 2 63 can be used to determine whether the front and back sides and the direction of the PCB board are correct, so that the PCB board can be correctly loaded, avoiding affecting the subsequent coating process, improving production efficiency, and reducing product loss.

[0053] In order to prevent the rotating component from interfering with the flip plate 22 on the first rotating roller 55 and the second rotating roller 56 during rotation, a transmission box 49 is provided on the outer wall of one side of the box body 10, so that when the rotating component rotates, the transmission box 49 can drive the flip plate 22 to rotate ninety degrees, so that the flip plate 22 is changed from a horizontal setting to a vertical setting, thereby preventing interference during the rotation of the rotating component.

[0054] like Figures 5 to 8 As shown, a rotating rod 41 is vertically arranged inside the transmission box 49, and the bottom end of the rotating rod 41 passes through the bottom of the transmission box 49, a first gear 40 is arranged on the outer peripheral surface of the bottom end of the rotating rod 41, and the first gear 40 is meshed with the gear plate 31, a second gear 42 is arranged on the outer peripheral surface of the top end of the rotating rod 41, and a one-way bearing 43 is connected between the second gear 42 and the rotating rod 41, so that the rotating rod 41 can only drive the second gear 42 to rotate counterclockwise, a first transmission rod 44 is slidingly arranged inside the transmission box 49, and a first local tooth 45 is arranged on the front side surface of the first transmission rod 44, and the first local tooth 45 is meshed with the second gear 42, a second local tooth 46 is arranged on the lower side surface of the first transmission rod 44, a third gear 47 is arranged on the outer peripheral surface of the second rotating roller 56, and the third gear 47 is meshed with the second local tooth 46, and a first elastic member 48 is arranged on the left end portion of the first transmission rod 44.

[0055] A second transmission rod 50 is slidably disposed inside the transmission box 49, a third partial tooth 51 is disposed on the rear side of the second transmission rod 50, and the third partial tooth 51 is meshed with the second gear 42, a fourth partial tooth 52 is disposed on the lower side of the second transmission rod 50, a fourth gear 53 is disposed on the outer peripheral surface of the first rotating roller 55, and the fourth partial tooth 52 is meshed with the fourth gear 53, and a second elastic member 54 is disposed at the right end portion of the second transmission rod 50.

[0056] When the rotating assembly rotates the PCB board, the gear plate 31 rotates to drive the first gear 40 to rotate, the first gear 40 rotates to drive the rotating rod 41 to rotate, the rotating rod 41 rotates to drive the second gear 42 to rotate counterclockwise, the first partial tooth 45 is meshed with the second gear 42, and the third partial tooth 51 is meshed with the second gear 42. Therefore, the rotation of the second gear 42 drives the first transmission rod 44 and the second transmission rod 50 to move synchronously in the opposite direction. At the same time, the first transmission rod 44 and the second transmission rod 50 squeeze the corresponding first elastic member 48 and the second elastic member 54 respectively. Since the fourth partial tooth 52 is meshed with the fourth gear 53, and the third gear 47 is meshed with the second partial tooth 46, the first partial tooth 51 is meshed with the second gear 46. The movement of a transmission rod 44 and a second transmission rod 50 drives the first rotating roller 55 and the second rotating roller 56 to rotate, thereby rotating the flip plate 22 on the first rotating roller 55 and the second rotating roller 56, so that the flip plate 22 is changed from a horizontal setting to a vertical setting. When the rotation of the rotating component is completed, the first elastic member 48 and the second elastic member 54 will push the first transmission rod 44 and the second transmission rod 50 to move. Since the one-way bearing 43 is installed, the first transmission rod 44 and the second transmission rod 50 will move in the opposite direction for reset, thereby changing the flip plate 22 from a vertical setting to a horizontal setting, thereby avoiding interference when the rotating component rotates, and improving the stability and accuracy of PCB board transportation.

[0057] like Figure 4 and Fig. 9 As shown, two inclined conveyor belts 25 are arranged inside the conveying cavity 11, and the two inclined conveyor belts 25 are arranged in an eight-shaped shape. The two inclined conveyor belts 25 are respectively located on both sides of the flip assembly. Two second conveying rollers 26 are arranged on both sides of the flip assembly. The guide plates 23 are symmetrically arranged on the outer circumference of the second conveying rollers 26. The guide plate 23 close to the rotating component has a first state and a second state. When in the first state, the guide plate 23 is horizontally arranged. When in the second state, the guide plate 23 is inclined, and the inclination angle is consistent with the inclination angle of the inclined conveyor belt 25 close to the rotating component, so that the PCB board can enter the flip assembly along the inclined conveyor belt 25.

[0058] like Figures 9 to 13As shown, the flip assembly includes a second support plate 70, a transverse plate 71 and a V-shaped guide groove 72. The second support plate 70 is arranged inside the conveying chamber 11, and the second support plate 70 has two, and the transverse plates 71 are all arranged on the opposite side walls of the second support plate 70. The V-shaped guide groove 72 is opened on the transverse plate 71, and a rack plate 74 is arranged on the top of the transverse plate 71. A third slide bar 73 is arranged on the transverse plate 71, and a third slider 75 is slidably arranged on the outer wall of the third slide bar 73. The outer wall of the third slider 75 is provided with a second fixed plate 76, and the outer wall of the second fixed plate 76 is provided with a rotating disk 77. Two conveying frames 78 are arranged on the rotating disk 77, and the two conveying frames 78 are arranged in a rectangular shape and spaced apart from each other. Rotating rollers 79 are arranged at intervals on the frame 78, and the rotating rollers 79 are arranged along the length direction of the conveying frame 78. Conveying belts 80 are connected to the outer circumferential surfaces of multiple rotating rollers 79. The conveying belts 80 are used to contact and convey the PCB board. A Z-shaped connecting rod 81 is rotatably arranged on the second fixed plate 76. One end of the Z-shaped connecting rod 81 is fixedly connected to the rotating disk 77, and the other end of the Z-shaped connecting rod 81 is located in the V-shaped guide groove 72. The Z-shaped connecting rod 81 can cooperate with the V-shaped guide groove 72. A servo motor 82 is arranged on the outer wall of one side of the second fixed plate 76, and a rotating shaft 83 is arranged at the output end of the servo motor 82. A gear 84 is arranged at one end of the rotating shaft 83, and the gear 84 is meshed with the rack plate 74.

[0059] When the PCB board needs to be turned over, the servo motor 82 drives the rotating shaft 83 to rotate, and the rotation of the rotating shaft 83 drives the gear 1 84 to rotate. Since the gear 1 84 is meshed with the rack plate 74, the rotation of the gear 1 84 drives the second fixed plate 76 to move, and the movement of the second fixed plate 76 drives the third slider 75 to slide on the third slider 73. The movement of the second fixed plate 76 drives the Z-shaped connecting rod 81 to move along the V-shaped guide groove 72, so that the Z-shaped connecting rod 81 moves along the V-shaped guide groove 72 to drive the rotating disk 77 to rotate, and the rotation of the rotating disk 77 drives the conveying frame 78 to flip, thereby realizing the flipping of the PCB board, thereby avoiding the inversion of the front and back sides due to negligence affecting the subsequent coating, improving production efficiency, and reducing product loss.

[0060] In the description of the present invention, it is to be understood that the terms “center”, “longitudinal”, “lateral”, “length”, “width”, “thickness”, “up”, “down”, “front”, “back”, “left”, “right”, “vertical”, “horizontal”, “top”, “bottom”, “inside”, “outside”, “clockwise”, “counterclockwise”, “axial”, “radial”, “circumferential”, etc., indicating orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as limiting the present invention.

[0061] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In the description of the present invention, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0062] Although the embodiments of the present invention have been shown and described above, it is to be understood that the above embodiments are exemplary and are not to be construed as limitations of the present invention. A person skilled in the art may change, modify, replace and vary the above embodiments within the scope of the present invention.

Claims

1. A circuit board surface coating device for circuit board production, comprising: A box body (10), a conveying roller (20), a stacking rack (12) and an adsorption component, wherein the stacking rack (12) is arranged at the left end of the box body (10), a PCB board is placed on the stacking rack (12), and the adsorption component is arranged on the inner top wall of the box body (10), and the adsorption component can place the PCB board on the stacking rack (12) on the conveying roller (20), and is characterized in that it also includes: a first detection rod (62), a second detection rod (63), a guide component and a second conveying roller (26); a rotating component and a flipping component are sequentially arranged inside the box body (10) along the conveying direction of the conveying roller (20), and the rotating component can rotate the PCB board 180 degrees, and the flipping component can flip the PCB board to the front and back, and the detection rod (63) can rotate the PCB board to the front and back. The first detection rod (62) and the second detection rod (63) are arranged at the position of the rotating component in the box body (10), and the first detection rod (62) and the second detection rod (63) are provided with pressure sensors. The first detection rod (62) and the second detection rod (63) are against the PCB board. The first detection rod (62) or the second detection rod (63) is inserted into the hole of the PCB board. The value of the pressure sensor is used to judge whether the PCB board is facing up. The second conveying roller (26) is arranged on both sides of the flipping component. The guide component is arranged on the second conveying roller (26). When the PCB board is facing up, the guide component is horizontal so that the PCB board is normally conveyed and loaded. When the PCB board is facing down, the guide component is tilted so that the PCB board passes through the flipping component, so that the PCB board is flipped to a correct position.

2. A circuit board surface coating device for circuit board production according to claim 1, characterized in that: The box body (10) has a conveying cavity (11) formed inside, and the conveying cavity (11) is a rectangular cavity. The top wall of the box body (10) has a groove (13), and the groove (13) is used to place a stacking rack (12). The stacking rack (12) has two vertical plates arranged at intervals, and support bars (14) are provided on opposite side walls of the two vertical plates. The support bars (14) on the two vertical plates correspond to each other one by one, and the support bars (14) are used to support the PCB board.

3. A circuit board surface coating device for circuit board production according to claim 2, characterized in that: The adsorption assembly comprises a slide bar (15), a suction cup (17) and a slider (16); the slide bar (15) is arranged on the inner top wall of the box body (10), and the slide bar (15) is arranged along the length direction of the box body (10); the slider (16) is arranged on the slide bar (15); the suction cup (17) is arranged at the bottom of the slider (16); and the suction cup (17) is provided with a plurality of suction nozzles, which can contact the PCB board to perform negative pressure suction.

4. A circuit board surface coating device for circuit board production according to claim 3, characterized in that: The rotating assembly comprises a motor (30), a gear plate (31) and a support plate (32); the motor (30) is arranged inside the housing (10), and the motor (30) is located at the bottom of the conveying chamber (11); the gear plate (31) is arranged on the inner bottom wall of the conveying chamber (11), and the output end of the motor (30) is connected to the gear plate (31) so that the motor (30) can drive the gear plate (31) to rotate; the support plate (32) is vertically arranged on the top of the gear plate (31), and the support plates (32) are provided with two.

5. A circuit board surface coating device for circuit board production according to claim 4, characterized in that: The side walls of the support plate (32) are each provided with a first fixing plate (33), the first fixing plate (33) is each provided with a second slide bar (34), the second slide bar (34) is provided along the length direction of the first fixing plate (33), the outer wall of the second slide bar (34) is provided with a U-shaped slider (35), so that the U-shaped slider (35) can slide left and right along the length direction of the second slide bar (34), the outer wall of the U-shaped slider (35) is provided with a connecting plate (36), the outer wall of the connecting plate (36) is provided with a first conveying frame (37), the outer wall of the connecting plate (36) is provided with a second conveying frame (38), the first conveying frame (37) and the second conveying frame (38) are both provided with belts, and the belts can rotate to convey the PCB board.

6. A circuit board surface coating device for circuit board production according to claim 5, characterized in that: The inner top wall of the conveying cavity (11) is provided with a telescopic rod (60), a connecting frame (61) is provided at the bottom end of the telescopic rod (60), a detection rod (62) is provided on the connecting frame (61), and there are two detection rods (62), both of which are elastically supported by springs, and a pressure sensor is provided at the top end of the spring, a telescopic rod (66) is provided on the support plate (32), a second connecting frame (65) is provided at the top end of the telescopic rod (66), and the detection rod (63) is provided on the second connecting frame (65).

7. A circuit board surface coating device for circuit board production according to claim 6, characterized in that: Two inclined conveyor belts (25) are arranged inside the conveying cavity (11), and the two inclined conveyor belts (25) are arranged in an eight-shaped shape. The two inclined conveyor belts (25) are respectively located on both sides of the turnover assembly. Two second conveyor rollers (26) are arranged on both sides of the turnover assembly. The guide assembly is symmetrically arranged on the outer peripheral surface of the second conveyor roller (26).

8. A circuit board surface coating device for circuit board production according to claim 7, characterized in that: The flip assembly comprises a second support plate (70), a transverse plate (71) and a V-shaped guide groove (72); the second support plate (70) is arranged inside the conveying cavity (11), and the second support plate (70) has two transverse plates (71) which are arranged on opposite side walls of the second support plate (70); the V-shaped guide groove (72) is opened on the transverse plate (71); a rack plate (74) is arranged on the top of the transverse plate (71); a third slide bar (73) is arranged on the transverse plate (71); and a third slide block (75) is slidably arranged on the outer wall of the third slide bar (73).

9. A circuit board surface coating device for circuit board production according to claim 8, characterized in that: The outer wall of the third sliding block (75) is provided with a second fixed plate (76), the outer wall of the second fixed plate (76) is provided with a rotating disk (77), two conveying frames (78) are provided on the rotating disk (77), and the two conveying frames (78) are arranged in a rectangular shape and spaced apart from each other, and rotating rollers (79) are arranged at intervals on each conveying frame (78), and the rotating rollers (79) are arranged along the length direction of the conveying frame (78), and the outer circumferential surfaces of the plurality of rotating rollers (79) are connected to conveyor belts (80).

10. A circuit board surface coating device for circuit board production according to claim 9, characterized in that: A Z-shaped connecting rod (81) is rotatably arranged on the second fixed plate (76), one end of the Z-shaped connecting rod (81) is fixedly connected to the rotating disk (77), the other end of the Z-shaped connecting rod (81) is located in the V-shaped guide groove (72), and the Z-shaped connecting rod (81) can cooperate with the V-shaped guide groove (72), a servo motor (82) is arranged on an outer wall of one side of the second fixed plate (76), a rotating shaft (83) is arranged at the output end of the servo motor (82), a gear 1 (84) is arranged at one end of the rotating shaft (83), and the gear 1 (84) is meshed with the rack plate (74).

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