A pick-and-place machine with an automatic material feeding function

Abstract

The present invention discloses a mounter with an automatic feeding function, which relates to the technical field of mounters. The mounter includes a support plate, a bottom plate, a driving wheel, a rotating shaft, a driving motor, a driven wheel, a conveyor belt, a feeding module, an ejecting module, a clamping module, a feeding module, a detection module and a stacking module. The bottom plate is placed on a plane, and support plates are respectively arranged at both ends of the bottom plate. Both ends of the rotating shaft respectively pass through the driving wheel and are rotatably connected to the support plate. The rotating shaft is fixedly connected to the driving wheel. The driving motor is fixedly connected to the side surface of the support plate. The output end of the driving motor passes through the support plate and is fixedly connected to the rotating shaft. The driven wheel is provided with a convex shaft and is rotatably connected to the support plate. The conveyor belt is connected to the driving wheel and the driven wheel. The ejecting module is fixedly connected to the bottom plate. The detection module is connected to the support plate. The feeding module is placed on a plane. The clamping module is connected to the feeding module. The feeding module is fixedly connected to one side of the support plate close to the driving motor. The stacking module is placed on a plane close to the detection module.

Description

Technical Field

[0001] The invention relates to the technical field of chip mounters, in particular to a chip mounter with an automatic unloading function. Background Art

[0002] As the demand for circuit boards continues to increase, manual assembly can no longer meet production needs, which has prompted the birth and development of placement machines to achieve efficient and accurate installation of electronic components on circuit boards. Placement machines replace manual labor to complete the automated assembly of circuit boards.

[0003] In modern technology, some accidents may occur when the placement machine is placing chips, such as vibration causing the electronic components to detach, the pins of the electronic components to be bent by collision, etc., which make it impossible to install them normally. The next process will be affected when unloading the materials. The defective rate of circuit board placement is also relatively low. Manual inspection wastes labor and is very inconvenient. Summary of the invention

[0004] The purpose of the present invention is to provide a chip mounter with an automatic unloading function to solve the problems raised in the prior art.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a chip placement machine with automatic unloading function, comprising a support plate, a base plate, a driving wheel, a rotating shaft, a driving motor, a driven wheel, a conveyor belt, a feeding module, an ejection module, a clamping module, a feeding module, a detection module and a stacking module, wherein the base plate is placed on a plane, and support plates are respectively arranged at both ends of the base plate, and both ends of the rotating shaft respectively pass through the driving wheel and are rotatably connected to the support plate, the rotating shaft is fixedly connected to the driving wheel, the driving motor is fixedly connected to the side of the supporting plate, the output end of the driving motor passes through the supporting plate and is fixedly connected to the rotating shaft, the driven wheel is provided with a convex shaft and is rotatably connected to the supporting plate, the conveyor belt is connected to the driving wheel and the driven wheel, the ejection module is fixedly connected to the base plate, the detection module is connected to the support plate, the feeding module is placed on a plane, the clamping module is connected to the feeding module, the feeding module is fixedly connected to a side of the support plate close to the driving motor, and the stacking module is placed on a plane close to the detection module.

[0006] The support plate is fixed to the base plate with screws, the driving motor controls the rotation of the driving wheels at both ends through the rotating shaft, the driven wheel can keep the conveyor belt level, the conveyor belt is used to transport the circuit board, the feeding module is used to position and move the clamping module, the ejection module lifts the circuit board to patch and take it out, the clamping module is used to clamp the electronic components to assemble the circuit board, the feeding module sends the electronic components to the clamping module, the detection module can detect the assembly status of the circuit board, and take out the unqualified circuit board and send it to the stacking module, and the qualified circuit board is sent to the next process by the conveyor belt.

[0007] Furthermore, the feed module includes a column, a longitudinal guide column, a longitudinal screw rod, a transverse guide column, a guide rail, a transverse screw rod, a transverse feed motor and a longitudinal feed motor, the two ends of the transverse guide column are respectively connected to the longitudinal guide column, the transverse guide column is provided with a limiting groove, the longitudinal guide column is provided with a limiting boss, the transverse guide column is slidably connected with the limiting boss of the longitudinal guide column through the limiting groove, a rectangular groove is provided on the side of the transverse guide column, a transverse screw rod is arranged in the rectangular groove of the transverse guide column, the transverse guide column is rotatably connected with the transverse screw rod, one end of the transverse screw rod passes through the transverse guide column and is fixedly connected with the transverse feed motor, the transverse guide column is fixedly connected with the transverse feed motor, the transverse guide column is provided with a rectangular groove One side of the groove is fixedly connected to a plurality of guide rails, and vertical columns are respectively provided at both ends of the longitudinal guide column, and the two vertical columns are placed opposite to each other. The end of the transverse guide column away from the transverse feed motor is provided with a threaded through hole threadedly connected to the longitudinal screw rod, and the two ends of the longitudinal screw rod are respectively rotatably connected to the vertical columns, and one end of the longitudinal screw rod passes through the vertical column and is fixedly connected to the longitudinal feed motor, the longitudinal feed motor is fixedly connected to the vertical column, the transverse screw rod is threadedly connected to the clamping module, and the guide rail is slidably connected to the clamping module; the longitudinal feed motor controls the rotation of the longitudinal screw rod to drive the transverse guide column to move, and the transverse feed motor controls the transverse screw rod to drive the clamping module to move, and the guide rail improves the stability of the movement of the clamping module.

[0008] Furthermore, the ejection module includes a patch hydraulic cylinder, a patch pad, a blanking hydraulic cylinder and a blanking pad. The bottom plate is fixedly connected to the patch hydraulic cylinder, the patch hydraulic cylinder is located at the bottom of the feed module, the patch hydraulic cylinder is fixedly connected to the patch pad at one end away from the bottom plate, and a blanking hydraulic cylinder is arranged at one end of the bottom plate close to the detection module, and the blanking hydraulic cylinder is fixedly connected to the blanking pad at one end away from the bottom plate; the patch pad controls the lifting and lowering of the circuit board, cooperates with the patch of the clamping module, and the blanking pad sends the unqualified circuit board into the detection module.

[0009] The clamping module includes a connecting block, a visual positioning unit, a suction nozzle, a driven gear, a driving gear, a rotating motor and a gear box. The connecting block is provided with a cylindrical through hole for rotationally connecting with the suction nozzle, the top of the connecting block is provided with a mounting groove for fixed connection with the rotating motor, the top of the rotating motor is fixedly connected with the driving gear, the driving gear is meshed with the driven gear, the driven gear is fixedly connected with the suction nozzle, a visual positioning unit is arranged at the bottom of the connecting block, a connecting boss is arranged on the side of the connecting block away from the visual positioning unit, the connecting boss of the connecting block is provided with a guide threaded hole for threaded connection with a transverse screw rod, a side of the connecting block close to the connecting boss is provided with a plurality of guide grooves for sliding connection with a guide rail; the guide grooves of the connecting block are adapted to the guide rail to prevent the shaking of the connecting block when it moves from affecting the patch effect, the visual positioning unit is used for positioning the patch, the rotating motor controls the rotation of the suction nozzle through the driven gear and the driving gear, the suction nozzle turns the electronic component to a suitable angle for patching, and the gear box is used to protect and isolate the internal gears.

[0010] Furthermore, the feeding module includes a fixed plate, a discharge shaft, a receiving shaft, a guide shaft and a clamping pad. The discharge shaft is arranged at one end of the fixed plate, and the fixed plate is rotatably connected to the receiving shaft at one end away from the discharge shaft. A clamping pad is arranged on the top of the fixed plate, and a plurality of guide shafts are arranged on the fixed plate. The guide shafts are located at both ends of the clamping pad, and the fixed plate is fixedly connected to the support plate at one end close to the receiving shaft; the fixed plate is provided with a guide hole, and the clamping pad is provided with a stud. The stud of the clamping pad passes through the guide hole of the fixed plate and is fixed by a knob to facilitate height adjustment. The discharge shaft is used to place the electronic component tape, and the guide shaft plays a guiding role. The clamping pad is used to support the electronic components, and the receiving shaft is connected to the motor to control the movement of the electronic component tape.

[0011] The detection module includes a visual detection unit, a gripper motor, a gripper reducer, a limit shaft, a connecting column and an automatic gripper. The visual detection unit is fixedly connected to a side of the support plate close to the drive motor, the gripper motor is fixedly connected to a side of the support plate away from the visual detection unit, the output end of the gripper motor is fixedly connected to the gripper reducer, the gripper reducer is fixedly connected to the support plate, the top of the gripper reducer is fixedly connected to the limit shaft, the end of the limit shaft away from the gripper reducer is fixedly connected to the connecting column, and the end of the connecting column away from the limit shaft is fixedly connected to the automatic gripper; the visual detection unit is used to detect the patch status of the circuit board, the gripper reducer is a bevel gear reducer or a worm gear reducer, which converts the horizontal output force of the gripper motor into a vertical force, thereby controlling the rotation of the automatic gripper, the limit shaft is provided with a limit block to prevent falling, and the automatic gripper clamps the circuit board with unqualified patch and sends it into the stacking module.

[0012] Furthermore, the stacking module includes a loading module, a discharge box, and a supporting pad. The supporting pad is placed on a plane, the supporting pad is connected to the loading module, and a number of discharge boxes are placed on the supporting pad; the supporting pad is provided with a limiting groove, and the discharge box is placed in the limiting groove for easy positioning. The height of the circuit board after mounting is unbalanced, and direct stacking is prone to tilting. The loading module stacks the circuit boards in layers in the discharge box.

[0013] Furthermore, the automatic gripper includes a gripper base, a clamping block, a connecting rod, a push block and a gripper cylinder. The gripper base is provided with an avoidance groove, and a gripper cylinder is arranged in the avoidance groove of the gripper base. The telescopic end of the gripper cylinder is fixedly connected to the push block, and the two ends of the push block are respectively hinged to the connecting rod. Slide grooves are arranged on the sides at both ends of the avoidance groove of the gripper base, and one end of the clamping block is hinged to the connecting rod through the slide groove of the gripper base; the avoidance groove of the gripper base facilitates the installation of other components and prevents interference during the movement of the connecting rod. The gripper cylinder controls the movement of the push block, and the push block controls the clamping block to clamp simultaneously through the connecting rod.

[0014] Furthermore, the loading module includes a rotating pad, a sliding tray, a loading tray, a loading cylinder, a guide column, a support column, a lifting screw rod, a fixed block, a lifting reducer, a lifting motor, a steering motor, a steering gear and a ring gear, the steering motor is fixedly connected to the bottom surface of the supporting pad, the supporting pad is provided with a circular groove, the bottom surface of the rotating pad is provided with an annular boss, the annular boss of the rotating pad is fitted with the circular groove of the supporting pad, the annular boss of the rotating pad is fixedly connected to the ring gear, the output end of the steering motor passes through the supporting pad and is fixedly connected to the steering gear, the steering gear is meshed with the ring gear, a number of supporting columns are arranged on the rotating pad, the rotating pad is fitted with the sliding tray, a loading cylinder is arranged on one end of the sliding tray near the supporting column, the telescopic end of the loading cylinder passes through the sliding tray and is fixedly connected to the loading tray, a number of limiting grooves are arranged on the rotating pad, a number of limiting sliders are arranged at the bottom of the loading tray, and the loading tray is slidably connected to the limiting groove of the rotating pad through the limiting slider The top of the lifting rod is connected with the guide wheel of the lifting rod, and the guide wheel is connected with the guide wheel of the lifting rod, and the upper end of the guide wheel is connected with the guide wheel of the lifting rod.

[0015] Compared with the prior art, the present invention has the following beneficial effects:

[0016] 1. The inspection module detects the status of the circuit board mounting and removes unqualified circuit boards through automatic grippers;

[0017] 2. The loading module places the unqualified circuit boards into the discharge box in layers. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0019] Figure 2 It is a schematic diagram of the connection structure of the feeding module and the clamping module of the present invention;

[0020] Figure 3 It is a partial structural schematic diagram of the feeding module of the present invention;

[0021] Figure 4 It is a partial structural schematic diagram of the present invention;

[0022] Figure 5 It is a schematic diagram of the structure of the clamping module of the present invention;

[0023] Figure 6 It is a structural schematic diagram of the present invention;

[0024] Figure 7 for Figure 6 A schematic diagram of the enlarged structure at point A;

[0025] Figure 8 It is a schematic diagram of the connection structure between the support pad and the charging module of the present invention;

[0026] Fig. 9 It is a schematic diagram of the charging module structure of the present invention.

[0027] In the figure: 11, support plate; 12, bottom plate; 13, driving wheel; 14, rotating shaft; 15, driving motor; 16, driven wheel; 17, conveyor belt; 2, feeding module; 21, column; 22, longitudinal guide column; 23, longitudinal screw rod; 24, transverse guide column; 25, guide rail; 26, transverse screw rod; 27, transverse feeding motor; 28, longitudinal feeding motor; 3, ejection module; 31, patch hydraulic cylinder; 32, patch pad; 33, unloading hydraulic cylinder; 34, unloading pad; 4, clamping module; 41, connecting block; 42, visual positioning unit; 43, suction nozzle; 44, driven gear; 45, driving gear; 46, rotating motor; 47, gear box; 5, feeding module; 51, fixing plate; 52, unloading shaft; 53, receiving shaft; 54, guide shaft; 5 5. Clamping pad; 6. Detection module; 61. Visual inspection unit; 62. Gripper motor; 63. Gripper reducer; 64. Limiting shaft; 65. Connecting column; 66. Automatic gripper; 661. Gripper base; 662. Clamping block; 663. Connecting rod; 664. Pushing block; 665. Gripper cylinder; 7. Stacking module; 71. Loading module; 7101. Rotating pad; 7102. Sliding tray; 7103. Loading tray; 7104. Loading cylinder; 7105. Guide column; 7106. Support column; 7107. Lifting screw rod; 7108. Fixed block; 7109. Lifting reducer; 7110. Lifting motor; 7111. Steering motor; 7112. Steering gear; 7113. Ring gear; 72. Discharge box; 73. Support pad. DETAILED DESCRIPTION

[0028] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0029] Example: Figure 1-Figure 9 As shown, the present invention provides a technical solution, a placement machine with automatic unloading function, comprising a support plate 11, a bottom plate 12, a driving wheel 13, a rotating shaft 14, a driving motor 15, a driven wheel 16, a conveyor belt 17, a feeding module 2, an ejection module 3, a clamping module 4, a feeding module 5, a detection module 6 and a stacking module 7, wherein the bottom plate 12 is placed on a plane, support plates 11 are respectively arranged at both ends of the bottom plate 12, both ends of the rotating shaft 14 respectively pass through the driving wheel 13 and are rotatably connected to the support plate 11, the rotating shaft 14 is fixedly connected to the driving wheel 13, and the driving motor 15 is connected to the support plate 11. The support plate 11 is fixedly connected on the side, the output end of the driving motor 15 passes through the supporting plate 11 and is fixedly connected to the rotating shaft 14, the driven wheel 16 is provided with a cam shaft and is rotatably connected to the supporting plate 11, the conveyor belt 17 is connected to the driving wheel 13 and the driven wheel 16, the ejection module 3 is fixedly connected to the bottom plate 12, the detection module 6 is connected to the supporting plate 11, the feeding module 2 is placed on a plane, the clamping module 4 is connected to the feeding module 2, the feeding module 5 is fixedly connected to the side of the supporting plate 11 close to the driving motor 15, and the stacking module 7 is placed on a plane close to the detection module 6.

[0030] The support plate 11 is fixed to the base plate 12 with screws, the driving motor 15 controls the rotation of the driving wheels 13 at both ends through the rotating shaft 14, the driven wheel 16 can keep the conveyor belt 17 horizontal, the conveyor belt 17 is used to transport the circuit board, the feeding module 2 is used to position and move the clamping module 4, the ejection module 3 lifts the circuit board to patch and take it out, the clamping module 4 is used to clamp the electronic components to assemble the circuit board, the feeding module 5 sends the electronic components to the clamping module 4, the detection module 6 can detect the assembly status of the circuit board, and take out the unqualified circuit board and send it to the stacking module 7, and the qualified circuit board is sent to the next process by the conveyor belt 17.

[0031] like Figure 2 , Figure 3As shown, the feed module 2 includes a column 21, a longitudinal guide column 22, a longitudinal screw rod 23, a transverse guide column 24, a guide rail 25, a transverse screw rod 26, a transverse feed motor 27 and a longitudinal feed motor 28. The two ends of the transverse guide column 24 are respectively connected to the longitudinal guide column 22, the transverse guide column 24 is provided with a limiting groove, the longitudinal guide column 22 is provided with a limiting boss, the transverse guide column 24 is slidably connected with the limiting boss of the longitudinal guide column 22 through the limiting groove, a rectangular groove is provided on the side of the transverse guide column 24, a transverse screw rod 26 is arranged in the rectangular groove of the transverse guide column 24, the transverse guide column 24 is rotatably connected with the transverse screw rod 26, one end of the transverse screw rod 26 passes through the transverse guide column 24 and the transverse feed motor 27 Fixedly connected, the transverse guide column 24 is fixedly connected to the transverse feed motor 27, the transverse guide column 24 is provided with a rectangular groove on one side and is fixedly connected to a plurality of guide rails 25, the two ends of the longitudinal guide column 22 are respectively provided with columns 21, the two columns 21 are placed opposite to each other, the transverse guide column 24 is provided with a threaded through hole at one end away from the transverse feed motor 27 and is threadedly connected to the longitudinal screw rod 23, the two ends of the longitudinal screw rod 23 are respectively rotatably connected to the column 21, one end of the longitudinal screw rod 23 passes through the column 21 and is fixedly connected to the longitudinal feed motor 28, the longitudinal feed motor 28 is fixedly connected to the column 21, the transverse screw rod 26 is threadedly connected to the clamping module 4, and the guide rail 25 is slidably connected to the clamping module 4.

[0032] The vertical column 21 and the longitudinal guide column 22 are fixed by screws for easy disassembly. The longitudinal feed motor 28 controls the longitudinal screw rod 23 to rotate and drive the transverse guide column 24 to move. The transverse feed motor 27 controls the transverse screw rod 26 to drive the clamping module 4 to move. The guide rail 25 improves the stability of the movement of the clamping module 4.

[0033] like Figure 4 As shown, the ejection module 3 includes a patch hydraulic cylinder 31, a patch pad 32, a blanking hydraulic cylinder 33 and a blanking pad 34. The bottom plate 12 is fixedly connected to the patch hydraulic cylinder 31. The patch hydraulic cylinder 31 is located at the bottom of the feeding module 2. The patch hydraulic cylinder 31 is fixedly connected to the patch pad 32 at one end away from the bottom plate 12. The blanking hydraulic cylinder 33 is arranged at one end of the bottom plate 12 close to the detection module 6. The blanking hydraulic cylinder 33 is fixedly connected to the blanking pad 34 at one end away from the bottom plate 12.

[0034] The patch hydraulic cylinder 31 and the blanking hydraulic cylinder 33 are provided with flanges at the bottom and fixed by screws. The patch pad 32 controls the lifting of the circuit board and cooperates with the clamping module 4 to patch. The blanking pad 34 sends the unqualified circuit board to the detection module 6.

[0035] like Figure 5As shown, the clamping module 4 includes a connecting block 41, a visual positioning unit 42, a suction nozzle 43, a driven gear 44, a driving gear 45, a rotating motor 46 and a gear box 47. The connecting block 41 is provided with a cylindrical through hole for rotationally connecting with the suction nozzle 43. The top of the connecting block 41 is provided with a mounting groove for fixed connection with the rotating motor 46. The top of the rotating motor 46 is fixedly connected with the driving gear 45. The driving gear 45 is meshed with the driven gear 44. The driven gear 44 is fixedly connected with the suction nozzle 43. The visual positioning unit 42 is arranged at the bottom of the connecting block 41. The connecting block 41 is provided with a connecting boss on the side away from the visual positioning unit 42. The connecting boss of the connecting block 41 is provided with a guide threaded hole for threaded connection with the transverse screw rod 26. The connecting block 41 is provided with a plurality of guide grooves on the side close to the connecting boss for sliding connection with the guide rail 25.

[0036] The guide groove of the connecting block 41 is adapted to the guide rail 25 to prevent the connecting block 41 from shaking when moving and affecting the patch effect. The visual positioning unit 42 is used for positioning the patch. The rotating motor 46 controls the rotation of the suction nozzle 43 through the driven gear 44 and the driving gear 45. The suction nozzle 43 turns the electronic component to a suitable angle for patching. The gear box 47 is used to protect and isolate the internal gears.

[0037] like Figure 4 As shown, the feeding module 5 includes a fixed plate 51, a discharge shaft 52, a receiving shaft 53, a guide shaft 54 ​​and a clamping pad 55. The discharge shaft 52 is arranged at one end of the fixed plate 51, and the end of the fixed plate 51 away from the discharge shaft 52 is rotatably connected to the receiving shaft 53. A clamping pad 55 is arranged on the top of the fixed plate 51, and a plurality of guide shafts 54 are arranged on the fixed plate 51. The guide shafts 54 are located at both ends of the clamping pad 55. The end of the fixed plate 51 close to the receiving shaft 53 is fixedly connected to the support plate 11.

[0038] The fixing plate 51 is provided with a guide hole, and the clamping pad 55 is provided with a stud. The stud of the clamping pad 55 passes through the guide hole of the fixing plate 51 and is fixed by a knob to facilitate height adjustment. The unloading shaft 52 places the electronic component tape, and the guide shaft 54 ​​plays a guiding role. The clamping pad 55 is used to support the electronic components. The receiving shaft 53 is connected to the motor to control the movement of the electronic component tape.

[0039] like Figure 6As shown, the detection module 6 includes a visual detection unit 61, a gripper motor 62, a gripper reducer 63, a limit shaft 64, a connecting column 65 and an automatic gripper 66. The visual detection unit 61 is fixedly connected to the side of the support plate 11 close to the drive motor 15, the gripper motor 62 is fixedly connected to the side of the support plate 11 away from the visual detection unit 61, the output end of the gripper motor 62 is fixedly connected to the gripper reducer 63, the gripper reducer 63 is fixedly connected to the support plate 11, the top of the gripper reducer 63 is fixedly connected to the limit shaft 64, the end of the limit shaft 64 away from the gripper reducer 63 is fixedly connected to the connecting column 65, and the end of the connecting column 65 away from the limit shaft 64 is fixedly connected to the automatic gripper 66.

[0040] The visual inspection unit 61 is used to detect the patch status of the circuit board. The gripper reducer 63 is a bevel gear reducer or a worm gear reducer, which converts the horizontal output force of the gripper motor 62 into a vertical force, thereby controlling the rotation of the automatic gripper 66. The limit shaft 64 is provided with a limit block to prevent falling. The limit shaft 64 and the connecting column 65 are fixed by welding. The automatic gripper 66 picks up the circuit board with unqualified patch and sends it into the stacking module 7.

[0041] like Figure 6 As shown, the stacking module 7 includes a loading module 71 , a discharge box 72 , and a support pad 73 . The support pad 73 is placed on a plane. The support pad 73 is connected to the loading module 71 , and a plurality of discharge boxes 72 are placed on the support pad 73 .

[0042] The support pad 73 is provided with a limiting groove, and the discharge box 72 is placed in the limiting groove for easy positioning. The height of the circuit board after mounting is unbalanced, and direct stacking is prone to tilting. The loading module 71 stacks the circuit boards in layers into the discharge box 72.

[0043] like Figure 7 As shown, the automatic gripper 66 includes a gripper base 661, a clamping block 662, a connecting rod 663, a push block 664 and a gripper cylinder 665. The gripper base 661 is provided with an avoidance groove, and a gripper cylinder 665 is arranged in the avoidance groove of the gripper base 661. The telescopic end of the gripper cylinder 665 is fixedly connected to the push block 664, and the two ends of the push block 664 are respectively hinged to the connecting rod 663. Slide grooves are arranged on the sides of the two ends of the avoidance groove of the gripper base 661, and one end of the clamping block 662 passes through the slide groove of the gripper base 661 and is hinged to the connecting rod 663.

[0044] The avoidance groove of the gripper base 661 facilitates the installation of other components and prevents interference when the connecting rod 663 moves. The gripper cylinder 665 controls the movement of the push block 664, and the push block 664 controls the clamping block 662 through the connecting rod 663 to clamp simultaneously.

[0045] like Figure 8 , Fig. 9 As shown, the loading module 71 includes a rotating pad 7101, a sliding tray 7102, a loading tray 7103, a loading cylinder 7104, a guide column 7105, a support column 7106, a lifting screw 7107, a fixing block 7108, a lifting reducer 7109, a lifting motor 7110, a steering motor 7111, a steering gear 7112 and a ring gear 7113. The steering motor 7111 is fixedly connected to the bottom surface of the supporting pad 73. The supporting pad 73 is provided with a circular groove. The bottom surface of the rotating pad 7101 is provided with an annular boss. The rotating pad 710 The annular boss of the rotating pad 7101 is fitted with the circular groove of the supporting pad 73, the annular boss of the rotating pad 7101 is fixedly connected with the ring gear 7113, the output end of the steering motor 7111 passes through the supporting pad 73 and is fixedly connected with the steering gear 7112, the steering gear 7112 is meshed with the ring gear 7113, a plurality of support columns 7106 are arranged on the rotating pad 7101, the rotating pad 7101 is fitted with the sliding tray 7102, and a charging cylinder 7104 is arranged at one end of the sliding tray 7102 close to the supporting column 7106, and the telescopic end of the charging cylinder 7104 passes through The sliding tray 7102 is fixedly connected to the loading tray 7103, the rotating pad 7101 is provided with a plurality of limit grooves, the bottom of the loading tray 7103 is provided with a plurality of limit sliders, the loading tray 7103 is slidably connected to the limit grooves of the rotating pad 7101 through the limit sliders, the rotating pad 7101 is rotatably connected to the lifting screw rod 7107, the end of the rotating pad 7101 away from the lifting screw rod 7107 is fixedly connected to the guide column 7105, the top of the support column 7106 is fixedly connected to the fixed block 7108, the top of the lifting screw rod 7107 passes through the sliding tray 71 02 and the fixed block 7108 are fixedly connected to the lifting reducer 7109, the lifting screw rod 7107 is threadedly connected to the sliding tray 7102, the lifting screw rod 7107 is rotatably connected to the fixed block 7108, the top end of the guide column 7105 passes through the sliding tray 7102 and is fixedly connected to the fixed block 7108, the guide column 7105 is slidably connected to the sliding tray 7102, the top end of the fixed block 7108 is fixedly connected to the lifting reducer 7109, the lifting motor 7110 is fixedly connected to the lifting reducer 7109, and the lifting motor 7110 is fixedly connected to the fixed block 7108.

[0046] The annular boss of the rotating pad 7101 is fixedly connected by screws and the annular gear 7113. The steering motor 7111 controls the rotation of the annular gear 7113 through the steering gear 7112, thereby driving the rotating pad 7101 to rotate. The lifting reducer 7109 is a worm gear reducer. The worm gear has a self-locking function. The lifting motor 7110 controls the lifting and lowering of the sliding tray 7102 through the lifting screw 7107. The self-locking function of the lifting reducer 7109 prevents the sliding tray 7102 from falling due to gravity. The guide column 7105 can balance the force on the sliding tray 7102 and improve the stability of the lifting and lowering of the sliding tray 7102. The support column 7106 is used to fix the fixed block 7108.

[0047] The working principle of the present invention is as follows: the circuit board is transported by a conveyor belt, the ejection module lifts the circuit board, the clamping module moves on the feeding module, and the circuit board is patched. The patched circuit board is inspected by the inspection module, and the qualified circuit board is sent to the next process by the conveyor belt, and the unqualified circuit board is sent to the stacking module by the inspection module.

[0048] It will be apparent to those skilled in the art that the invention is not limited to the details of the exemplary embodiments described above and that the invention can be implemented in other specific forms without departing from the spirit or essential features of the invention. Therefore, the embodiments should be considered exemplary and non-limiting in all respects, and the scope of the invention is defined by the appended claims rather than the foregoing description, and it is intended that all variations falling within the meaning and scope of the equivalent elements of the claims be included in the invention. Any reference numeral in a claim should not be considered as limiting the claim to which it relates.

Claims

1. A chip mounter with automatic unloading function, characterized in that: The invention comprises a support plate (11), a base plate (12), a driving wheel (13), a rotating shaft (14), a driving motor (15), a driven wheel (16), a conveyor belt (17), a feeding module (2), an ejection module (3), a clamping module (4), a feeding module (5), a detection module (6) and a stacking module (7), wherein the base plate (12) is placed on a plane, support plates (11) are respectively arranged at both ends of the base plate (12), both ends of the rotating shaft (14) respectively pass through the driving wheel (13) and are rotatably connected to the support plate (11), the rotating shaft (14) is fixedly connected to the driving wheel (13), the driving motor (15) is fixedly connected to the side of the support plate (11), and the driving motor (15) is fixedly connected to the side of the driving wheel (13). The output end of the motor (15) passes through the support plate (11) and is fixedly connected to the rotating shaft (14); the driven wheel (16) is provided with a cam shaft and is rotatably connected to the support plate (11); the conveyor belt (17) is connected to the driving wheel (13) and the driven wheel (16); the ejection module (3) is fixedly connected to the bottom plate (12); the detection module (6) is connected to the support plate (11); the feeding module (2) is placed on a plane; the gripping module (4) is connected to the feeding module (2); the feeding module (5) is fixedly connected to a side of the support plate (11) close to the driving motor (15); and the stacking module (7) is placed on a plane close to the detection module (6); The detection module (6) comprises a visual detection unit (61), a gripper motor (62), a gripper reducer (63), a limit shaft (64), a connecting column (65) and an automatic gripper (66); the visual detection unit (61) is fixedly connected to a side of the support plate (11) close to the drive motor (15); the gripper motor (62) is fixedly connected to a side of the support plate (11) away from the visual detection unit (61); the output end of the gripper motor (62) is fixedly connected to the gripper reducer (63); the gripper reducer (63) is fixedly connected to the support plate (11); the top end of the gripper reducer (63) is fixedly connected to the limit shaft (64); the end of the limit shaft (64) away from the gripper reducer (63) is fixedly connected to the connecting column (65); and the end of the connecting column (65) away from the limit shaft (64) is fixedly connected to the automatic gripper (66); The automatic gripper (66) comprises a gripper base (661), a clamping block (662), a connecting rod (663), a push block (664) and a gripper cylinder (665); the gripper base (661) is provided with an avoidance groove; the gripper cylinder (665) is arranged in the avoidance groove of the gripper base (661); the telescopic end of the gripper cylinder (665) is fixedly connected to the push block (664); the two ends of the push block (664) are respectively hinged to the connecting rod (663); the two ends of the avoidance groove of the gripper base (661) are provided with sliding grooves on the side surfaces; one end of the clamping block (662) passes through the sliding groove of the gripper base (661) and is hinged to the connecting rod (663).

2. The chip mounter with automatic unloading function according to claim 1, characterized in that: The feed module (2) comprises a column (21), a longitudinal guide column (22), a longitudinal screw rod (23), a transverse guide column (24), a guide rail (25), a transverse screw rod (26), a transverse feed motor (27) and a longitudinal feed motor (28); the two ends of the transverse guide column (24) are respectively connected to the longitudinal guide column (22); the transverse guide column (24) is provided with a limiting groove; the longitudinal guide column (22) is provided with a limiting boss; the transverse guide column (24) is slidably connected to the limiting boss of the longitudinal guide column (22) through the limiting groove; a rectangular groove is provided on the side of the transverse guide column (24); a transverse screw rod (26) is arranged in the rectangular groove of the transverse guide column (24); the transverse guide column (24) is rotatably connected to the transverse screw rod (26); one end of the transverse screw rod (26) passes through the transverse guide column (24) and is connected to the transverse feed motor (27) ), the transverse guide column (24) is fixedly connected to the transverse feed motor (27), the transverse guide column (24) is provided with a rectangular groove on one side and is fixedly connected to a plurality of guide rails (25), the two ends of the longitudinal guide column (22) are respectively provided with columns (21), the two columns (21) are placed opposite to each other, the end of the transverse guide column (24) away from the transverse feed motor (27) is provided with a threaded through hole and is threadedly connected to the longitudinal screw rod (23), the two ends of the longitudinal screw rod (23) are respectively rotatably connected to the column (21), one end of the longitudinal screw rod (23) passes through the column (21) and is fixedly connected to the longitudinal feed motor (28), the longitudinal feed motor (28) is fixedly connected to the column (21), the transverse screw rod (26) is threadedly connected to the clamping module (4), and the guide rail (25) is slidably connected to the clamping module (4).

3. The chip mounter with automatic unloading function according to claim 1, characterized in that: The ejection module (3) comprises a patch hydraulic cylinder (31), a patch pad (32), a material removal hydraulic cylinder (33) and a material removal pad (34); the bottom plate (12) is fixedly connected to the patch hydraulic cylinder (31); the patch hydraulic cylinder (31) is located at the bottom of the feeding module (2); the patch hydraulic cylinder (31) is fixedly connected to the patch pad (32) at one end away from the bottom plate (12); a material removal hydraulic cylinder (33) is arranged at one end of the bottom plate (12) close to the detection module (6); and the material removal hydraulic cylinder (33) is fixedly connected to the material removal pad (34) at one end away from the bottom plate (12).

4. The chip mounter with automatic unloading function according to claim 2, characterized in that: The gripping module (4) comprises a connecting block (41), a visual positioning unit (42), a suction nozzle (43), a driven gear (44), a driving gear (45), a rotating motor (46) and a gear box (47); the connecting block (41) is provided with a cylindrical through hole for rotationally connecting with the suction nozzle (43); the top of the connecting block (41) is provided with a mounting groove for fixedly connecting with the rotating motor (46); the top of the rotating motor (46) is fixedly connected with the driving gear (45); the driving gear (45) is meshed with the driven gear (44); the driven gear (44) is fixedly connected with the suction nozzle (43); the visual positioning unit (42) is arranged at the bottom of the connecting block (41); a connecting boss is arranged on a side of the connecting block (41) away from the visual positioning unit (42); the connecting boss of the connecting block (41) is provided with a guide threaded hole for threaded connection with the transverse screw rod (26); and a side of the connecting block (41) close to the connecting boss is provided with a plurality of guide grooves for sliding connection with the guide rail (25).

5. The chip mounter with automatic unloading function according to claim 1, characterized in that: The feeding module (5) comprises a fixed plate (51), a material discharge shaft (52), a material receiving shaft (53), a guide shaft (54) and a clamping pad (55); the material discharge shaft (52) is arranged at one end of the fixed plate (51); the end of the fixed plate (51) away from the material discharge shaft (52) is rotatably connected to the material receiving shaft (53); the clamping pad (55) is arranged at the top of the fixed plate (51); a plurality of guide shafts (54) are arranged on the fixed plate (51); the guide shafts (54) are located at both ends of the clamping pad (55); and the end of the fixed plate (51) close to the material receiving shaft (53) is fixedly connected to the support plate (11).

6. The chip mounter with automatic unloading function according to claim 1, characterized in that: The stacking module (7) comprises a loading module (71), a discharge box (72), and a support pad (73); the support pad (73) is placed on a plane; the support pad (73) is connected to the loading module (71); and a plurality of discharge boxes (72) are placed on the support pad (73).

7. The chip mounter with automatic unloading function according to claim 6, characterized in that: The loading module (71) comprises a rotating pad (7101), a sliding tray (7102), a loading tray (7103), a loading cylinder (7104), a guide column (7105), a support column (7106), a lifting screw (7107), a fixing block (7108), a lifting reducer (7109), a lifting motor (7110), a steering motor (7111), a steering gear (7112) and a ring gear (7113), wherein the steering motor (7111) is fixedly connected to the bottom surface of the supporting pad (73), the supporting pad (73) is provided with a circular groove, the bottom surface of the rotating pad (7101) is provided with an annular boss, and the rotating pad (71 The annular boss of the rotating pad (7101) is fitted with the circular groove of the supporting pad (73), the annular boss of the rotating pad (7101) is fixedly connected with the annular gear (7113), the output end of the steering motor (7111) passes through the supporting pad (73) and is fixedly connected with the steering gear (7112), the steering gear (7112) is meshed with the annular gear (7113), a plurality of support columns (7106) are arranged on the rotating pad (7101), the rotating pad (7101) is fitted with the sliding tray (7102), a charging cylinder (7104) is arranged at one end of the sliding tray (7102) close to the supporting column (7106), and the telescopic end of the charging cylinder (7104) passes through The sliding tray (7102) is fixedly connected to the loading tray (7103), the rotating pad (7101) is provided with a plurality of limit grooves, the bottom of the loading tray (7103) is provided with a plurality of limit sliders, the loading tray (7103) is slidably connected to the limit grooves of the rotating pad (7101) through the limit sliders, the rotating pad (7101) is rotatably connected to the lifting screw (7107), the end of the rotating pad (7101) away from the lifting screw (7107) is fixedly connected to the guide column (7105), the top of the support column (7106) is fixedly connected to the fixed block (7108), the top of the lifting screw (7107) passes through the sliding tray (7102) ) and the fixed block (7108) are fixedly connected to the lifting reducer (7109), the lifting screw (7107) is threadedly connected to the sliding tray (7102), the lifting screw (7107) is rotatably connected to the fixed block (7108), the top end of the guide column (7105) passes through the sliding tray (7102) and is fixedly connected to the fixed block (7108), the guide column (7105) is slidably connected to the sliding tray (7102), the top end of the fixed block (7108) is fixedly connected to the lifting reducer (7109), the lifting motor (7110) is fixedly connected to the lifting reducer (7109), and the lifting motor (7110) is fixedly connected to the fixed block (7108).

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