Chip mounter for electronic component production

Abstract

The invention belongs to the technical field of chip mounters, and particularly relates to an electronic component production chip mounter which comprises a workbench. Two pairs of symmetrically-arranged conveying belts are installed on the top face of the workbench. The top surface of the workbench is rotationally connected with a rotating seat on one side of the conveying belt; the top surface of the driving seat is fixedly connected with an electric push rod; the top surface of the electric push rod is fixedly connected with a supporting plate; bearing seats are mounted at the two ends of the supporting plate; a pair of symmetrically arranged connecting seats is arranged on the top surface of the bearing seat; one end of the top surface of the connecting seat is fixedly connected with a fixed column; the end, away from the fixed column, of the top face of the connecting base is slidably connected with a movable column. An X-Y movement mechanism is erected on the top face of the workbench, clamping of the edge of a PCB is achieved through cooperation of a movable column and a fixed column, the edge of the PCB cannot be shielded, then the utilization efficiency of the PCB is guaranteed, meanwhile, a rotating base drives a supporting plate to rotate, synchronous chip mounting and feeding and discharging are achieved, and then the machining efficiency is improved.

Description

Technical Field

[0001] The present invention belongs to the technical field of chip mounters, and specifically relates to a chip mounter for the production of electronic components. Background Art

[0002] A chip mounter, also known as a "chip placer" or "surface mount system", is the core equipment in the SMT production line. It is used to mount various semiconductor electronic components onto the PCB pads at high speed and with high precision, and is widely used in the technical fields of semiconductor industries such as home appliances, LEDs, and new energy.

[0003] The existing chip mounter mainly includes a frame, namely a support body, an X-Y-Z motion system, a placement head, a feeder (also known as a feeder), a vision system, and a control system, that is, to coordinate the operation of each module. During operation, the placement head sucks various semiconductor electronic components through a vacuum chuck and presses the sucked electronic components onto the designated area on the PCB, thereby completing the chip placement operation.

[0004] The existing PCBs have various different forms, and for smaller PCBs, in order to ensure the normal realization of functions, it is necessary to make more comprehensive use of the area of the PCB. However, the clamping of the PCB in the existing chip mounter is mostly through a pair of clamping plates that directly press on the edge position of the PCB, which requires leaving precious space at the edge position of the PCB for clamping, which is not conducive to the processing of small PCBs.

[0005] Therefore, the present invention provides a chip mounter for the production of electronic components. Summary of the Invention

[0006] In order to make up for the deficiencies of the existing technology and solve at least one of the technical problems proposed in the background art.

[0007] The technical solution adopted by the present invention to solve its technical problems is as follows: A chip mounter for the production of electronic components according to the present invention includes a workbench; two pairs of symmetrically arranged conveyor belts are installed on the top surface of the workbench; a rotating seat is rotatably connected to the top surface of the workbench on one side of the conveyor belt, and the rotating seat is driven by a servo motor; an electric push rod is fixedly connected to the top surface of the driving seat; a support plate is fixedly connected to the top surface of the electric push rod; a receiving seat is installed at both ends of the support plate; a pair of symmetrically arranged connecting seats are arranged on the top surface of the receiving seat; a fixed column is fixedly connected to one end of the top surface of the connecting seat; a movable column is slidably connected to the top surface of the connecting seat away from the fixed column, and the movable column is driven by a hydraulic system; an X-Y motion mechanism is erected on the top surface of the workbench; a placement head is fixedly connected to the moving end of the X-Y motion mechanism; a feeder is installed on the top surface of the workbench on the side away from the conveyor belt; the feeder is the core feeding device of the chip mounter, and is responsible for accurately conveying various semiconductor components packaged in a tape to the pick-up position of the placement head at a set pitch.

[0008] Preferably, through grooves are formed on both sides of the top surface of the support plate corresponding to the rotating seat; pulleys are rotatably connected in the through grooves; a pulling rope is fixedly connected to the top surface of the rotating seat, and the pulling rope is inextensible; one end of the pulling rope away from the rotating seat is fixedly connected to the receiving seat; the pulling rope passes through the through groove and passes over the surface of the pulley; a first spring is installed between the receiving seat and the support plate.

[0009] Preferably, one end of the first spring away from the receiving seat is fixedly connected with a limiting block; the limiting block is fixedly connected to the top surface of the support; a limiting hole is formed on the surface of the limiting block; the pulling rope passes through the limiting hole.

[0010] Preferably, a fixed plate and a moving plate are arranged on the top surface of the workbench; the fixed plate is fixedly connected to one side of the top surface of the workbench away from the rotating seat; the moving plate is slidably connected to one side of the top surface of the workbench close to the rotating seat; both pairs of conveyor belts are fixedly connected to one side of the fixed plate and the moving plate close to each other; a threaded rod is threadedly connected to the surface of the fixed plate; the threaded rod is rotatably connected to the moving plate.

[0011] Preferably, a first telescopic rod is fixedly connected between both pairs of conveyor belts; a double-threaded screw rod is commonly threadedly connected between the two first telescopic rods; a connecting rod is commonly slidably connected between the pairs of connecting seats at both ends of the support plate; a pressing plate is arranged on the top surface of the receiving seat; both ends of the pressing plate are slidably connected to the receiving seat; a rotating column is rotatably connected to the top surface of the receiving seat at a position corresponding to the pressing plate; the rotating column is threadedly connected to the pressing plate.

[0012] Preferably, an adjusting rod is rotatably connected inside both receiving seats, and the adjusting rod penetrates through the receiving seats; a second telescopic rod is fixedly connected between the two adjusting rods; the adjusting rod and the rotating column are driven by a gear set; during operation, when the user needs to turn the rotating column so that the pressing plate no longer locks the connecting seat, the user can turn one end of the adjusting rod. Since the adjusting rods between the two receiving seats are connected together by the second telescopic rod, turning any one end of the adjusting rod by the user will drive the other adjusting rod to rotate synchronously, and the synchronously rotating adjusting rod will drive the rotating column to rotate through the gear set, thereby realizing the synchronous rising and falling of the pressing plates at both receiving seats, thus reducing the operation difficulty of the user and improving the applicable range of the embodiment of the present invention.

[0013] Preferably, a support arm is fixedly connected to the conveyor belt on the side close to the moving plate; the support arm penetrates through the moving plate and is slidable with the moving plate; one end of the connecting arm away from the conveyor belt is fixedly connected with a limiting plate, and the limiting plate corresponds to the position of the connecting rod; a limiting groove is formed on the top surface of the limiting plate, and the limiting groove is adapted to the connecting rod.

[0014] Preferably, a bent pipe is inlaid on the top surface of the workbench, and the bent pipe is arranged in a U shape; one end of the bent pipe close to the chip mounter head is slidably connected with a plug rod; the other end of the bent pipe far from the chip mounter head is slidably connected with a pressing rod; the bent pipe is filled with hydraulic oil; a second spring is fixedly connected between the plug rod and the bent pipe; a slot is formed in the bottom surface of the receiving seat; the slot is adapted to the top of the plug rod.

[0015] Preferably, an electromagnet block is fixedly connected to the top surface of the plug rod; a metal sheet is fixedly connected to the bottom of the slot; the metal sheet is made of magnetizable metal.

[0016] Preferably, sleeves are fixedly connected to the surfaces of the moving column and the fixed column; the top surfaces of the sleeves can be flush with the top surface of the conveyor belt; the top edges of the sleeves are all chamfered.

[0017] The beneficial effects of the present invention are as follows: 1. For the electronic component production chip mounter of the present invention, the clamping of the edge of the PCB is realized through the cooperation of the moving column and the fixed column, and the edge of the PCB will not be blocked, thereby ensuring the utilization efficiency of the PCB. At the same time, the rotating seat drives the support plate to rotate, realizing the synchronous progress of chip mounting and loading and unloading, and thus improving the processing efficiency.

[0018] 2. For the electronic component production chip mounter of the present invention, through the guiding action of the pulley on the pulling rope, the pulling rope will pull the receiving seats at both ends of the support plate towards the rotating seat and compress the first compression spring, thereby reducing the rotation radius of the support plate, and thus preventing the receiving seats at the ends of the support plate from hitting the X-Y moving mechanism or the chip mounter head, and thus causing damage to the chip mounter head or the X-Y moving mechanism. BRIEF DESCRIPTION OF THE DRAWINGS

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

[0020] Figure 1 is a perspective view of the present invention; Figure 2 is a schematic structural view of the rotating seat in the present invention; Figure 3 is a schematic structural view of the second telescopic rod in the present invention; Figure 4 is a schematic structural view of the double-threaded screw rod in the present invention; Figure 5 is a schematic structural view of the support arm in the present invention; Figure 6 is a schematic structural view of the support plate in the present invention; Figure 7 is a schematic structural view of the receiving seat in the present invention; Figure 8 is a schematic structural view of the bent pipe in the present invention; In the figure: 1, workbench; 2, conveyor belt; 3, rotating seat; 4, electric push rod; 5, support plate; 6, receiving seat; 7, connecting seat; 8, fixed column; 9, moving column; 10, X-Y motion mechanism; 11, chip mounter head; 12, feeder; 13, through groove; 14, pulley; 15, pull rope; 17, first spring; 18, limit block; 19, limit hole; 20, fixing plate; 21, moving plate; 22, threaded rod; 23, first telescopic rod; 24, double-threaded screw rod; 25, connecting rod; 26, pressing plate; 27, rotating column; 28, adjusting rod; 29, second telescopic rod; 30, support arm; 31, limit plate; 32, limit groove; 33, elbow pipe; 34, inserting rod; 35, pressing rod; 36, second spring; 37, inserting slot; 38, electromagnet block; 39, metal sheet; 40, sleeve. Detailed implementation manners

[0021] In order to make the technical means, creative features, achieved purposes and functions of the present invention easy to understand, the present invention will be further described below in conjunction with specific implementation manners.

[0022] As Figure 1 , Figure 2 , Figure 3 and Figure 7As shown, an electronic component production placement machine described in an embodiment of the present invention includes a workbench 1; two pairs of symmetrically arranged conveyor belts 2 are installed on the top surface of the workbench 1; a rotating seat 3 is rotatably connected to the top surface of the workbench 1 on one side of the conveyor belt 2, and the rotating seat 3 is driven by a servo motor; an electric push rod 4 is fixedly connected to the top surface of the driving seat; a support plate 5 is fixedly connected to the top surface of the electric push rod 4; a receiving seat 6 is installed at both ends of the support plate 5; a pair of symmetrically arranged connecting seats 7 are arranged on the top surface of the receiving seat 6; a fixed column 8 is fixedly connected to one end of the top surface of the connecting seat 7; a moving column 9 is slidably connected to the end of the top surface of the connecting seat 7 away from the fixed column 8, and the moving column 9 is driven by a hydraulic system; the top surface of the workbench 1 An XY motion mechanism 10 is set up; a patch head 11 is fixedly connected to the moving end of the XY motion mechanism 10; a feeder 12 is installed on the top surface of the workbench 1 away from the conveyor belt 2; the feeder 12 is the core feeding device of the patch machine, responsible for accurately conveying various semiconductor components packaged in the tape to the pick-up position of the patch head 11 according to the set step distance; during operation, in order to ensure that the clamping of the PCB does not affect the patch operation of various semiconductor electrical devices at its edge position, the embodiment of the present invention can be used, first the conveyor belt 2 moves the PCB to be patched to the receiving seat 6 between the paired conveyor belts 2, and then the hydraulic system drives the moving column 9 to move toward the fixed column 8, so that the side of the PCB is squeezed by the moving column and the fixed column , and then clamp the PCB between the moving column 9 and the fixed column 8, then the electric push rod 4 rises, driving the support plate 5 and the receiving seat 6 to rise, and then driving the PCB at the receiving seat 6 to separate from the paired conveyor belts 2, and then the rotating seat 3 drives the electric push rod 4, the support plate 5 and the receiving seat 6 to rotate, and rotates the PCB to be mounted to the bottom of the XY motion mechanism 10. At this time, the empty receiving seat 6 at the other end of the support plate 5 will be rotated between the paired conveyor belts 2, and complete the clamping of another PCB to be mounted. In this process, the XY motion mechanism 10 will drive the mounting head 11 to absorb the semiconductor component at the flyer 12 and attach it to the surface of the PCB, thereby completing the mounting operation, and then the electric push rod 4 rises again, and then the rotating seat 3 rotates to move the PCB with completed patch to between the paired conveyor belts 2, and the conveyor belts 2 send away the PCB with completed patch, and then move the new PCB to be patched to the receiving seat 6 between the paired conveyor belts 2. In this process, the receiving seat 6 holding the PCB to be patched at the other end of the support plate 5 just completes the patch operation at the patch head 11, thereby achieving the synchronization of patching and loading and unloading, thereby improving the processing efficiency. Therefore, the clamping of the PCB edge is achieved through the cooperation of the movable column 9 and the fixed column 8, and the edge of the PCB will not be blocked, thereby ensuring the utilization efficiency of the PCB. At the same time, the rotating seat 3 drives the support plate 5 to rotate, achieving the synchronization of patching and loading and unloading, thereby improving the processing efficiency.

[0023] likeFigure 1 , Figure 2 , Figure 3 and Figure 6 As shown, the top surface of the support plate 5 is provided with through grooves 13 on both sides of the rotating seat 3; a pulley 14 is rotatably connected in the through groove 13; a pull rope 15 is fixedly connected to the top surface of the rotating seat 3, and the pull rope 15 cannot be stretched; the end of the pull rope 15 away from the rotating seat 3 is fixedly connected to the receiving seat 6; the pull rope 15 passes through the through groove 13 and passes through the surface of the pulley 14; a spring 17 is installed between the receiving seat 6 and the support plate 5; during operation, when the electric push rod 4 drives the support plate 5 to rise, since one end of the pull rope 15 is fixedly connected to the rotating seat 3, the end of the pull rope 15 away from the rotating seat 3 It will be pulled, and due to the guiding effect of the pulley 14 at the through groove 13 on the pull rope 15, the pull rope 15 will pull the receiving seats 6 at both ends of the support plate 5 toward the rotating seat 3, and compress the compression spring 17, thereby reducing the rotation radius of the support plate 5, thereby preventing the receiving seats 6 at the ends of the support plate 5 from colliding with the XY motion mechanism 10 or the patch head 11, thereby causing damage to the patch head 11 or the XY motion mechanism 10. When the electric push rod 4 drives the support plate 5 to descend, the compressed spring recovers, driving the receiving seats 6 at both ends of the support plate 5 away from each other, thereby realizing the resetting of the receiving seats 6 at both ends of the support plate 5.

[0024] like Figure 3 and Figure 6 As shown, one end of the spring 17 away from the receiving seat 6 is fixedly connected to the limiting block 18; the limiting block 18 is fixedly connected to the top surface of the support; a limiting hole 19 is provided on the surface of the limiting block 18; the pull rope 15 passes through the limiting hole 19; during operation, when the pull rope 15 is pulled, the pull rope 15 will pass through the limiting hole 19 on the surface of the limiting plate 31, and at this time the limiting hole 19 will limit the pull rope 15, preventing the pull rope 15 from detaching from the surface of the pulley 14, which will cause the pull rope 15 to fail to pull the receiving seat 6 normally.

[0025] like Figure 1 and Figure 4As shown in the figure, a fixed plate 20 and a moving plate 21 are provided on the top surface of the workbench 1; the fixed plate 20 is fixedly connected to one side of the top surface of the workbench 1 away from the rotating seat 3; the moving plate 21 is slidably connected to one side of the top surface of the workbench 1 close to the rotating seat 3; the paired conveyor belts 2 are fixedly connected to the sides of the fixed plate 20 and the moving plate 21 close to each other; a threaded rod 22 is threadedly connected to the surface of the fixed plate 20; the threaded rod 22 is rotatably connected to the moving plate 21; during work, when the user needs to process PCBs of different widths, the user needs to adjust the distance between the paired conveyor belts 2. At this time, the user can turn the threaded rod 22 at the fixed plate 20, so that the threaded rod 22 drives the moving plate 21 to approach or move away from the fixed plate 20, thereby adjusting the distance between the paired conveyor belts 2, so as to adapt to PCBs of different widths, and further improving the applicable range of the embodiment of the present invention.

[0026] As Figure 1 and Figure 4 shown, a first telescopic rod 23 is fixedly connected between the paired conveyor belts 2; a double-threaded screw rod 24 is commonly threadedly connected between the two first telescopic rods 23; a connecting rod 25 is commonly slidably connected between the paired connecting seats 7 at both ends of the support plate 5; a pressing plate 26 is provided on the top surface of the receiving seat 6; both ends of the pressing plate 26 are slidably connected to the receiving seat 6; a rotating column 27 is rotatably connected to the top surface of the receiving seat 6 at a position corresponding to the pressing plate 26; the rotating column 27 is threadedly connected to the pressing plate 26; during work, when the user needs to process PCBs of different lengths, the user needs to adjust the distance between the conveyor belts 2 on both sides of the support plate 5. At this time, the user needs to turn the double-threaded screw rod 24, and the double-threaded screw rod 24 drives the first telescopic rods 23 on both sides of it to move away from or approach each other, thereby driving the paired conveyor belts 2 fixedly connected to the first telescopic rods 23 to approach or move away from each other, thereby adjusting the distance between the conveyor belts 2 on both sides of the support plate 5. At the same time, the user also needs to adjust the distance between the paired connecting seats 7 so that the moving column 9 and the fixed column 8 can be adapted to the conveyor belts 2 on both sides. For this purpose, the user needs to turn the rotating column 27 to drive the pressing plate 26 to move away from the connecting seat 7, thereby releasing the clamping of the connecting seat 7 by the pressing plate 26. At this time, the user can slide the connecting seat 7 to control the distance between the paired connecting seats 7. At the same time, since the connecting seats 7 at both ends of the support rod are commonly slidably connected with the connecting rod 25, adjusting one connecting seat 7 can achieve synchronous adjustment of the other connecting seat 7, so that the connecting seats 7 at both ends can be adapted to the conveyor belts 2 on their respective sides. Then the user turns the rotating column 27 again, so that the pressing plate 26 presses on the top surface of the connecting seat 7, thereby fixing the connecting seat 7, thus achieving the adaptation to PCBs of different lengths, and further improving the applicable range of the embodiment of the present invention.

[0027] As Figure 3 and Figure 7As shown in the figure, a regulating rod 28 is rotatably connected inside each of the two receiving seats 6, and the regulating rod 28 penetrates through the receiving seat 6; a second telescopic rod 29 is fixedly connected between the two regulating rods 28; the regulating rod 28 is driven by a gear set to the rotating column 27; during operation, when the user needs to turn the rotating column 27 so that the pressing plate 26 no longer locks the connecting seat 7, the user can turn one of the regulating rods 28. Since the regulating rods 28 between the two receiving seats 6 are connected together by the second telescopic rod 29, turning either regulating rod 28 by the user will drive the other regulating rod 28 to rotate synchronously. The synchronously rotating regulating rod 28 will drive the rotating column 27 to rotate through the gear set, thereby realizing the synchronous rising and falling of the pressing plates 26 at the two receiving seats 6, thus reducing the operation difficulty of the user and improving the applicable range of the embodiment of the present invention.

[0028] As Figures 3 to 5 shown in the figure, a support arm 30 is fixedly connected to the conveyor belt 2 on the side close to the moving plate 21; the support arm 30 penetrates through the moving plate 21 and is slidable with the moving plate 21; a limiting plate 31 is fixedly connected to the end of the connecting arm away from the conveyor belt 2, and the limiting plate 31 corresponds to the position of the connecting rod 25; a limiting groove 32 is formed on the top surface of the limiting plate 31, and the limiting groove 32 is adapted to the connecting rod 25; during operation, before adjusting the distance between the conveyor belts 2 on both sides of the support plate 5, the user needs to first turn the regulating rod 28 to release the locking of the connecting seat 7 by the pressing plate 26, and at this time, the electric push rod 4 is in the non-extended state. Therefore, the connecting rod 25 will be located in the limiting groove 32 on the surface of the limiting plate 31. Then the user adjusts the distance between the conveyor belts 2 on both sides of the support plate 5. At this time, the conveyor belt 2 will also drive the support arm 30 to move synchronously, and the support arm 30 will drive the limiting plate 31 to move synchronously. Also, since the connecting rod 25 is stuck in the limiting groove 32 on the surface of the limiting plate 31, the limiting rod can be driven to move synchronously with the conveyor belts 2 on both sides of the support plate 5 through the support arm 30, the limiting plate 31 and the limiting groove 32. The connecting seat 7 is slidably connected to both ends of the connecting rod 25, so the connecting rod 25 will also drive the connecting seat 7 to move synchronously. Thus, the user can adjust the distance between the paired connecting seats 7 while adjusting the distance between the conveyor belts 2 on both sides of the support plate 5, thereby reducing the operation difficulty of the user and improving the usability of the embodiment of the present invention.

[0029] As Figure 3 and Figure 8As shown, a bent pipe 33 is inlaid on the top surface of the workbench 1, and the bent pipe 33 is arranged in a U shape; one end of the bent pipe 33 close to the chip mounter head 11 is slidably connected with a plug rod 34; the other end of the bent pipe 33 far from the chip mounter head 11 is slidably connected with a pressure rod 35; the bent pipe 33 is filled with hydraulic oil; a second spring 36 is fixedly connected between the plug rod 34 and the bent pipe 33; a slot 37 is formed in the bottom surface of the receiving seat 6; the slot 37 is adapted to the top of the plug rod 34; during operation, when the electric push rod 4 drives the support plate 5 to descend, the support plate 5 on the side close to the chip mounter head 11 will squeeze the pressure rod 35 at the bent pipe 33, causing the pressure rod 35 to descend, thereby squeezing the hydraulic oil in the bent pipe 33, causing the plug rod 34 at the other end of the bent pipe 33 to rise, and then causing the plug rod 34 to insert into the slot 37 in the bottom surface of the receiving seat 6, thereby restricting the movement of the receiving seat 6, preventing the receiving seat 6 from sliding, and further preventing the PCB at the receiving seat 6 from moving accordingly, which would affect the chip mounting accuracy. At the same time, the plug rod 34 can also provide support for the side of the receiving seat 6 extending outside the support plate 5 to prevent it from tilting.

[0030] As Figure 8 shown, an electromagnet block 38 is fixedly connected to the top surface of the plug rod 34; a metal sheet 39 is fixedly connected to the bottom of the slot 37; the metal sheet 39 is made of magnetizable metal; during operation, when the plug rod 34 is inserted into the slot 37, the electromagnet block 38 will be activated and adsorb the metal sheet 39 at the bottom of the slot 37, thereby further fixing the receiving seat 6 in the vertical direction and further restricting the movement of the receiving seat 6, thus ensuring the chip mounting accuracy.

[0031] As Figure 7 shown, sleeves 40 are fixedly connected to the surfaces of the moving column 9 and the fixed column 8; the top surfaces of the sleeves 40 can be flush with the top surface of the conveyor belt 2; the top edges of the sleeves 40 are all chamfered; during operation, when the PCB is clamped by the moving column 9 and the fixed column 8, the bottom surface of the PCB will rest on the top surface of the sleeve 40. At this time, the top surface of the sleeve 40 can provide support for the bottom surface of the PCB, thereby preventing the PCB from bending when the chip mounter head 11 presses the semiconductor electronic component onto the surface of the PCB, which would cause the semiconductor electronic component not to fit well on the surface of the PCB.

[0032] During operation, in order to ensure that the clamping of the PCB does not affect the chip mounting operation of various semiconductor devices at the edge position of the PCB, the embodiment of the present invention can be used. First, the conveyor belt 2 moves the PCB to be chip-mounted to the receiving seat 6 between the pair of conveyor belts 2. Subsequently, the hydraulic system drives the moving column 9 to move towards the fixed column 8, so that the side of the PCB is squeezed by the moving column and the fixed column, and then the PCB is clamped between the moving column 9 and the fixed column 8. After that, the electric push rod 4 rises, driving the support plate 5 and the receiving seat 6 to rise, and then driving the PCB at the receiving seat 6 to separate from between the pair of conveyor belts 2. Subsequently, the rotating seat 3 drives the electric push rod 4, the support plate 5 and the receiving seat 6 to rotate, and rotates the PCB to be chip-mounted to the bottom of the X-Y motion mechanism 10. At this time, the empty receiving seat 6 at the other end of the support plate 5 will be rotated to between the pair of conveyor belts 2 and complete the clamping of another PCB to be chip-mounted. During this process, the X-Y motion mechanism 10 drives the chip mounter 11 to pick up the semiconductor components at the feeder 12 and paste them onto the surface of the PCB, thus completing the chip mounting operation. Subsequently, the electric push rod 4 rises again, and then the rotating seat 3 rotates, moving the PCB that has completed chip mounting to between the pair of conveyor belts 2, and the conveyor belt 2 sends away the PCB that has completed chip mounting, and then moves the new PCB to be chip-mounted to the receiving seat 6 between the pair of conveyor belts 2. During this process, the receiving seat 6 at the other end of the support plate 5 that holds the PCB to be chip-mounted just completes the chip mounting operation at the chip mounter 11, thus realizing the synchronization of chip mounting and loading / unloading, and improving the processing efficiency. Therefore, the clamping of the PCB edge is realized through the cooperation of the moving column 9 and the fixed column 8, and the edge of the PCB is not blocked, thus ensuring the utilization efficiency of the PCB. At the same time, the rotating seat 3 drives the support plate 5 to rotate, realizing the synchronization of chip mounting and loading / unloading, and improving the processing efficiency.

[0033] When the electric push rod 4 drives the support plate 5 to rise, since one end of the pull rope 15 is fixedly connected to the rotating seat 3, the end of the pull rope 15 far from the rotating seat 3 will be pulled. Due to the guiding effect of the pulley 14 at the through groove 13 on the pull rope 15, the pull rope 15 will pull the receiving seats 6 at both ends of the support plate 5 towards the rotating seat 3 and compress the first compression spring 17, thereby reducing the rotation radius of the support plate 5, and avoiding the receiving seat 6 at the end of the support plate 5 from hitting the X-Y motion mechanism 10 or the chip mounter 11, and thus causing damage to the chip mounter 11 or the X-Y motion mechanism 10. When the electric push rod 4 drives the support plate 5 to descend, the compressed spring returns, driving the receiving seats 6 at both ends of the support plate 5 to move away from each other, and thus realizing the reset of the receiving seats 6 at both ends of the support plate 5.

[0034] When the pull rope 15 is pulled, the pull rope 15 will pass through the limit hole 19 on the surface of the limit plate 31. At this time, the limit hole 19 will play a limiting role on the pull rope 15, avoiding the pull rope 15 from detaching from the surface of the pulley 14 and causing the pull rope 15 to be unable to normally pull the receiving seat 6.

[0035] When the user needs to process PCBs of different widths, the user needs to adjust the distance between the paired conveyor belts 2. At this time, the user can turn the threaded rod 22 at the fixed plate 20, so that the threaded rod 22 drives the moving plate 21 to approach or move away from the fixed plate 20, thereby adjusting the distance between the paired conveyor belts 2, so as to adapt to PCBs of different widths, and further improving the applicable range of the embodiment of the present invention.

[0036] When the user needs to process PCBs of different lengths, the user needs to adjust the distance between the conveyor belts 2 on both sides of the support plate 5. At this time, the user needs to turn the double-threaded screw rod 24, which drives the telescopic rods 23 on both sides of it to move away from or close to each other, and then drives the paired conveyor belts 2 fixedly connected to the telescopic rods 23 to approach or move away from each other, thereby adjusting the distance between the conveyor belts 2 on both sides of the support plate 5. At the same time, the user also needs to adjust the distance between the paired connecting seats 7 so that the moving column 9 and the fixed column 8 can be adapted to the conveyor belts 2 on both sides. For this purpose, the user needs to turn the rotating column 27 to drive the pressing plate 26 away from the connecting seat 7, thereby releasing the clamping of the pressing plate 26 on the connecting seat 7. At this time, the user can slide the connecting seat 7 to control the distance between the paired connecting seats 7. At the same time, since the connecting seats 7 at both ends of the support rod are jointly slidably connected with the connecting rod 25, adjusting one connecting seat 7 can achieve synchronous adjustment of the other connecting seat 7, so that the connecting seats 7 at both ends can be adapted to the conveyor belts 2 on their respective sides. Then the user turns the rotating column 27 again to make the pressing plate 26 press on the top surface of the connecting seat 7, thereby fixing the connecting seat 7, thus achieving the adaptation to PCBs of different lengths, and further improving the applicable range of the embodiment of the present invention.

[0037] When the user needs to turn the rotating column 27 so that the pressing plate 26 no longer locks the connecting seat 7, the user can turn the adjusting rod 28 at one end. Since the adjusting rods 28 between the two receiving seats 6 are connected together by the telescopic rod 29, turning any one end of the adjusting rod 28 by the user will drive the adjusting rod 28 at the other end to rotate synchronously. The synchronously rotating adjusting rods 28 will drive the rotating column 27 to rotate through the gear set, thereby realizing the synchronous rising and falling of the pressing plates 26 at the two receiving seats 6, thus reducing the operation difficulty of the user and improving the applicable range of the embodiment of the present invention.

[0038] Before adjusting the distance between the conveyor belts 2 on both sides of the adjusting support plate 5, the user needs to first turn the adjusting rod 28 to release the locking of the pressure plate 26 on the connecting seat 7. At this time, the electric push rod 4 is in the non-extended state. Therefore, the connecting rod 25 will be located in the limiting groove 32 on the surface of the limiting plate 31. Then the user adjusts the distance between the conveyor belts 2 on both sides of the support plate 5. At this time, the conveyor belt 2 will also drive the support arm 30 to move synchronously, and the support arm 30 will drive the limiting plate 31 to move synchronously. Also, since the connecting rod 25 is stuck in the limiting groove 32 on the surface of the limiting plate 31, the limiting rod can be driven to move synchronously with the conveyor belts 2 on both sides of the support plate 5 through the support arm 30, the limiting plate 31, and the limiting groove 32. And the connecting seat 7 is slidably connected to both ends of the connecting rod 25, so the connecting rod 25 will also drive the connecting seat 7 to move synchronously. Thus, while adjusting the distance between the conveyor belts 2 on both sides of the support plate 5, the user adjusts the distance between the paired connecting seats 7, thereby reducing the operation difficulty of the user and improving the usability of the embodiment of the present invention.

[0039] When the electric push rod 4 drives the support plate 5 to descend, the support plate 5 on the side close to the chip head 11 will squeeze the pressure rod 35 at the elbow pipe 33, causing the pressure rod 35 to descend, and further squeezing the hydraulic oil in the elbow pipe 33, causing the plug rod 34 at the other end of the elbow pipe 33 to rise, and further causing the plug rod 34 to insert into the slot 37 at the bottom surface of the receiving seat 6, thereby restricting the movement of the receiving seat 6 and preventing the receiving seat 6 from sliding, and further causing the PCB at the receiving seat 6 to move accordingly, which will affect the chip placement accuracy. At the same time, the plug rod 34 can also provide support for the side of the receiving seat 6 extending outside the support plate 5 to prevent it from tilting.

[0040] After the plug rod 34 inserts into the slot 37, the electromagnet block 38 will be activated and adsorb the metal sheet 39 at the bottom of the slot 37, thereby realizing the further fixation of the receiving seat 6 in the vertical direction and further restricting the movement of the receiving seat 6, thus ensuring the chip placement accuracy.

[0041] When the PCB is clamped by the moving column 9 and the fixed column 8, the bottom surface of the PCB will rest on the top surface of the sleeve 40. At this time, the top surface of the sleeve 40 can provide support for the bottom surface of the PCB, thereby preventing the PCB from bending when the chip head 11 presses the semiconductor electronic component onto the surface of the PCB, resulting in the semiconductor electronic component not being well attached to the surface of the PCB.

[0042] The above shows and describes the basic principles, main features, and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited by the above embodiments. What is described in the above embodiments and the specification only illustrates the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention will have various changes and improvements, and these changes and improvements all fall within the scope of the present invention claimed. The scope of protection claimed by the present invention is defined by the appended claims and their equivalents.

Claims

1. An electronic component production placement machine, characterized in that: It comprises a workbench; two pairs of symmetrically arranged conveyor belts are installed on the top surface of the workbench; a rotating seat is rotatably connected to the top surface of the workbench on one side of the conveyor belt; an electric push rod is fixedly connected to the top surface of the driving seat; a support plate is fixedly connected to the top surface of the electric push rod; receiving seats are installed at both ends of the support plate; a pair of symmetrically arranged connecting seats are arranged on the top surface of the receiving seat; a fixed column is fixedly connected to one end of the top surface of the connecting seat; a moving column is slidably connected to one end of the top surface of the connecting seat away from the fixed column; an XY motion mechanism is mounted on the top surface of the workbench; a patch head is fixedly connected to the moving end of the XY motion mechanism; a feeder is installed on the side of the top surface of the workbench away from the conveyor belt.

2. The electronic component production placement machine according to claim 1, characterized in that: The top surface of the support plate is provided with through grooves on both sides of the rotating seat; a pulley is rotatably connected in the through groove; a pull rope is fixedly connected to the top surface of the rotating seat; the end of the pull rope away from the rotating seat is fixedly connected to the receiving seat; the pull rope passes through the through groove and passes through the surface of the pulley; a spring is installed between the receiving seat and the support plate.

3. The electronic component production placement machine according to claim 2, characterized in that: One end of the spring away from the receiving seat is fixedly connected to the limiting block; the limiting block is fixedly connected to the top surface of the support; a limiting hole is arranged on the surface of the limiting block; and the pull rope passes through the limiting hole.

4. The electronic component production placement machine according to claim 1, characterized in that: The top surface of the workbench is provided with a fixed plate and a movable plate; the fixed plate is fixedly connected to the side of the top surface of the workbench away from the rotating seat; the movable plate is slidably connected to the side of the top surface of the workbench close to the rotating seat; the paired conveyor belts are fixedly connected to the side where the fixed plate and the movable plate are close to each other; the surface of the fixed plate is threadedly connected with a threaded rod; the threaded rod is rotatably connected to the movable plate.

5. The electronic component production placement machine according to claim 4, characterized in that: A telescopic rod is fixedly connected between the paired conveyor belts; a double-thread screw is commonly threadedly connected between the two telescopic rods; a connecting rod is commonly slidably connected between the paired connecting seats at both ends of the support plate; a pressure plate is arranged on the top surface of the receiving seat; the two ends of the pressure plate are slidably connected to the receiving seat; a rotating column is rotatably connected to the top surface of the receiving seat at the corresponding position of the pressure plate; the rotating column is threadedly connected to the pressure plate.

6. The electronic component production placement machine according to claim 5, characterized in that: The two receiving seats are internally rotatably connected with an adjusting rod, and the adjusting rod passes through the receiving seats; a second telescopic rod is fixedly connected between the two adjusting rods; and the adjusting rod and the rotating column are driven by a gear set.

7. The electronic component production placement machine according to claim 6, characterized in that: The conveyor belt on the side close to the movable plate is fixedly connected with a support arm; the support arm passes through the movable plate and slides with the movable plate; the end of the connecting arm away from the conveyor belt is fixedly connected to a limit plate, and the position of the limit plate corresponds to that of the connecting rod; a limit groove is provided on the top surface of the limit plate, and the limit groove is adapted to the connecting rod.

8. The electronic component production placement machine according to claim 1, characterized in that: The top surface of the workbench is inlaid with a curved tube, and the curved tube is U-shaped; the end of the curved tube close to the patch head is slidably connected to a plug rod; the end of the curved tube away from the patch head is slidably connected to a pressure rod; a second spring is fixedly connected between the plug rod and the curved tube; a slot is provided on the bottom surface of the receiving seat; the slot is adapted to the top of the plug rod.

9. The electronic component production placement machine according to claim 8, characterized in that: The top surface of the insert rod is fixedly connected with an electromagnet block; the bottom of the slot is fixedly connected with a metal sheet; and the metal sheet is made of magnetizable metal.

10. The electronic component production placement machine according to claim 1, characterized in that: The surfaces of the movable column and the fixed column are both fixedly connected with sleeves; the top surface of the sleeve can be flush with the top surface of the conveyor belt; the top edges of the sleeve are all chamfered.

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