Full-automatic laser welding workstation for pins of radio frequency connector

Abstract

The invention discloses a full-automatic laser welding workstation for radio frequency connector pins, and belongs to the field of laser welding. A full-automatic laser welding workstation for pins of a radio frequency connector comprises a base, a feeding conveying device, a discharging conveying device and a fixing frame which are fixedly connected to the base, and further comprises a rotating disc, an intermittent driving mechanism rotationally connected to the fixing frame and connected with the shaft end of the rotating disc, and a laser welding device fixedly connected to the rotating disc. Linkage assemblies are arranged between the intermittent driving mechanism and the fixing frame and the feeding conveying device and between the intermittent driving mechanism and the fixing frame and the discharging conveying device. The intermittent driving mechanism drives the rotary disc to intermittently rotate in the conveying direction of the feeding conveying device. The problems that pin welding operation is tedious, efficiency is low, the intelligent degree is low, and the service life of welding equipment is affected can be solved.

Description

Technical Field

[0001] The present invention relates to the technical field of laser welding, and particularly to a full-automatic laser welding workstation for pins of a radio frequency connector. Background Art

[0002] Radio frequency and wireless systems are widely used in all modern applications. Different types of radio frequency connectors provide interconnections between modules and systems through board-to-board, board-to-cable, or module-to-board connections. A radio frequency connector is a physical component of a device that provides convenient and standardized interconnections at nodes, rather than direct crimping, soldering, or clamping connections at ports. A radio frequency connector mainly consists of a central pin, an insulating gasket, and an external conductive housing. The pins are generally installed in the radio frequency connector by means of laser welding or crimping, etc. The radio frequency connector is usually in a T shape or a cross shape.

[0003] Currently, when welding the pins of a radio frequency connector, it is usually an artificial method to fix the radio frequency connector in sequence and operate the laser welding equipment to achieve the welding of the pins. Not only is the operation cumbersome, but the welding efficiency of the pins is also extremely low. In addition, since the fixed position or direction of the radio frequency connector is different each time, when welding different pins, it is necessary to frequently adjust the position and direction of the laser welding equipment, resulting in a low degree of intelligence in pin welding, and it is also easy to have errors during welding. At the same time, frequent manipulation of the welding equipment will also accelerate the damage of the equipment and affect the service life of the welding equipment. Summary of the Invention

[0004] The purpose of the present invention is to solve the problems in the prior art that the pin welding operation is cumbersome, the efficiency is low, the degree of intelligence is low, and it affects the service life of the welding equipment, and to propose a full-automatic laser welding workstation for pins of a radio frequency connector.

[0005] In order to achieve the above purpose, the present invention adopts the following technical solutions: A fully automatic laser welding workstation for RF connector pins, comprising a base, a loading conveying device, a unloading conveying device and a fixing frame fixedly connected to the base, and further comprising: a turntable rotatably connected to the fixing frame, an intermittent driving mechanism rotatably connected to the fixing frame and connected to the shaft end of the turntable, a linkage assembly is arranged between the intermittent driving mechanism and the fixing frame and the loading conveying device and the unloading conveying device, and the turntable is driven by the intermittent driving mechanism to intermittently rotate along the conveying direction of the loading conveying device; a limiting frame rotatably connected to the turntable for placing RF connector pins, isolation frames are symmetrically and fixedly connected to the fixing frame, permanent magnets are fixedly connected to the isolation frames, and a locking mechanism is arranged between the limiting frame and the turntable for locking the shaft end of the limiting frame when the limiting frame rotates to the permanent magnet area. Among them, a fastening mechanism is arranged between the turntable and the limiting frame for fastening the RF connector pins in the limiting frame when the turntable stops rotating.

[0006] Preferably, to facilitate automatic adjustment of the welding position of the RF connector, the intermittent driving mechanism includes a limiting disk and an adjusting disk rotatably connected to the fixing frame. A fixing disk is fixedly connected to the side of the limiting disk away from the fixing frame. A driving rod is fixedly connected to the side of the fixing disk close to the limiting disk. A sector-shaped groove is opened on the side of the limiting disk close to the driving rod. Multiple arc-shaped grooves matching the limiting disk are opened on the adjusting disk. Multiple driving grooves matching the driving rod are opened on the adjusting disk. Among them, the adjusting disk is connected to the shaft end of the turntable, and the outer wall of the limiting disk is attached to the arc-shaped groove.

[0007] Furthermore, to improve the intelligence of pin welding, the linkage assembly includes driving wheels rotatably connected to the sides of the loading conveying device and the unloading conveying device close to the fixing disk. A deflecting wheel is fixedly connected to the side of the fixing disk close to the driving wheels. A linkage wheel is rotatably connected to the side of the fixing frame close to the deflecting wheel. A belt is sleeved between the driving wheels, the deflecting wheel and the linkage wheel. Among them, the driving wheels are connected to the shaft ends of the loading conveying device and the unloading conveying device. A driving motor is arranged on the loading conveying device. When the driving wheels rotate, the deflecting wheel is driven to rotate in the opposite direction of the driving wheels through the linkage wheel and the belt. A dust suction device connected to the linkage wheel is fixedly connected to the base.

[0008] For the convenience of cutting the pins after welding is completed, preferably, the locking mechanism includes a rotating groove opened in the turntable. A positioning disk is rotatably connected inside the rotating groove. A plurality of sliding grooves are opened on one side of the turntable close to the rotating groove. A first spring is fixedly connected inside the sliding groove. The end of the first spring is fixedly connected with a slider slidably connected to the sliding groove. The slider is fixedly connected with a positioning rod on the side away from the first spring. The positioning disk is provided with a positioning groove matching the positioning rod on the side close to the sliding groove. Among them, the shaft end of the limiting frame is connected to the positioning disk. The slider has magnetism, and the sides of the slider and the permanent magnet close to each other have the same magnetism.

[0009] For the convenience of detecting the moving position of the pins, preferably, the fastening mechanism includes a plurality of mounting grooves opened in the turntable. A second spring is fixedly connected inside the mounting groove. The end of the second spring is fixedly connected with a centrifugal block slidably connected to the mounting groove. A control switch is fixedly connected to one side of the mounting groove away from the second spring. Among them, the number of the mounting grooves is the same as the number of the limiting frames. When the turntable rotates, the centrifugal block moves towards the side of the second spring.

[0010] To ensure the stability of the pins during welding, further, a sealing groove is also opened in the limiting frame. Electric telescopic rods are symmetrically and fixedly connected inside the sealing groove. The end of the electric telescopic rod is fixedly connected with a fastening ring slidably connected to the sealing groove. Among them, the electric telescopic rod is electrically connected to the control switch in the corresponding direction. The fastening ring and the sealing groove are connected in a sealed manner. The limiting frame is provided with a hole matching the small size of the RF connector pin, and the sealing groove is communicated with the hole on the limiting frame. A diversion hopper matching the hole is fixedly connected to the limiting frame. A counterweight block is fixedly connected to one side of the limiting frame away from the diversion hopper.

[0011] For the convenience of laser welding the pins, preferably, a welding station fixedly connected to the base is also included. The welding station includes welding equipment and a control panel. Among them, the welding head of the welding equipment is close to the upper limiting frame.

[0012] To ensure the stability of pin feeding, further, baffles are symmetrically and rotatably connected to the feeding conveying device. An arc-shaped air cylinder is fixedly connected between the baffle and the inner wall of the feeding conveying device. Among them, the arc-shaped air cylinder is communicated with the sealing groove through a pipeline. And when the sealing groove is in a negative pressure state, the arc-shaped air cylinder extends outwards. The center of the arc-shaped air cylinder and the axis of the baffle are on the same straight line.

[0013] In order to facilitate the precise delivery of the pins to the limit frame, further, on one side of the feeding and conveying device close to the end of the baffle, symmetrically fixed connections are provided with guiding rows. A plurality of groups of guide wheels are rotatably connected to the guiding rows. Among them, one end of the guiding row close to the baffle is inclined, and the other end of the guiding row is close to the limit frame. The distance between the two guiding rows is greater than the small dimension of the RF connector pins and less than the large dimension of the RF connector pins.

[0014] In order to facilitate the automatic discharging of the pins after welding is completed, further, a discharging channel is fixedly connected to the inner wall of the discharging and conveying device. The discharging channel is inclined, and the end of the discharging channel is close to the limit frame. The dimension of the discharging channel matches the dimension between the turntables. The discharging channel is located between the permanent magnets on both sides.

[0015] Compared with the prior art, the present invention provides a fully automatic laser welding workstation for RF connector pins, which has the following beneficial effects: 1. For this fully automatic laser welding workstation for RF connector pins, through the feeding and conveying device, under the action of the intermittent driving mechanism, the turntable can be driven to rotate intermittently, and the RF connector can be stopped at a specified position. On the one hand, it realizes the automatic feeding of the RF connector, and on the other hand, it can ensure the stability of the welding position of the RF connector. It not only makes the operation simpler, but also can reduce the control time of the welding equipment during welding, thereby improving the welding efficiency of the RF connector pins. At the same time, during the feeding process, the residual welding slag can be cleaned through the linkage component to ensure the welding quality of the subsequent RF connector pins.

[0016] 2. For this fully automatic laser welding workstation for RF connector pins, through the locking mechanism, the angle can be fixed after the RF connector is welded, so that during the rotation process, the RF connector can fall onto the discharging and conveying device through the discharging channel, thereby realizing the automatic discharging of the RF connector, improving the automation degree of the equipment, and further improving the welding efficiency of the RF connector pins.

[0017] 3. For this fully automatic laser welding workstation for RF connector pins, through the fastening mechanism, the RF connector can be fastened when it stops rotating, so as to avoid displacement during the welding process. While simplifying the welding process of the RF connector pins, it can also ensure the accuracy and stability of the welding position of the RF connector; in addition, during the welding process, the arc-shaped cylinder can be driven to drive the baffle to rotate to block the RF connector during conveying, avoiding the situation of stacked feeding of the RF connector.

[0018] For the parts not involved in this device, they are the same as the prior art or can be implemented using the prior art. The present invention can overcome the problems of cumbersome pin welding operation, low efficiency, low degree of intelligence, and affecting the service life of welding equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 FIG. 1 is a schematic structural diagram of a full-automatic laser welding workstation for RF connector pins proposed by the present invention; Figure 2 FIG. 2 is a partial structural schematic diagram of a full-automatic laser welding workstation for RF connector pins proposed by the present invention Figure 1 ; Figure 3 FIG. 3 is a schematic structural diagram of the feeding conveying equipment in a full-automatic laser welding workstation for RF connector pins proposed by the present invention; Figure 4 FIG. 4 is a partial structural schematic diagram of a full-automatic laser welding workstation for RF connector pins proposed by the present invention Figure 2 ; Figure 5 FIG. 5 is a schematic structural diagram of the intermittent driving mechanism in a full-automatic laser welding workstation for RF connector pins proposed by the present invention; Figure 6 FIG. 6 is a schematic structural diagram of the turntable in a full-automatic laser welding workstation for RF connector pins proposed by the present invention; Figure 7 FIG. 7 is a schematic structural diagram of the cross-section of the turntable in a full-automatic laser welding workstation for RF connector pins proposed by the present invention; Figure 8 FIG. 8 is a schematic structural diagram of part A in a full-automatic laser welding workstation for RF connector pins proposed by the present invention Figure 7 ; Figure 9 FIG. 9 is a schematic structural diagram of part B in a full-automatic laser welding workstation for RF connector pins proposed by the present invention Figure 7 ;

[0020] In the figure: 1, base; 2, welding station; 3, loading conveying equipment; 4, unloading conveying equipment; 5, driving motor; 6, baffle; 7, arc-shaped cylinder; 8, guiding row; 9, guide wheel; 10, fixing frame; 11, turntable; 12, intermittent driving mechanism; 121, limiting disc; 122, fixing disc; 123, driving rod; 124, fan-shaped groove; 125, adjusting disc; 126, arc-shaped groove; 127, driving groove; 13, direction-changing wheel; 14, linkage wheel; 15, driving wheel; 16, belt; 17, dust suction equipment; 18, isolation frame; 19, permanent magnet; 20, limiting frame; 21, diversion hopper; 22, counterweight; 23, rotating groove; 24, positioning disc; 25, sliding groove; 26, first spring; 27, slider; 28, positioning rod; 29, positioning groove; 30, installation groove; 31, second spring; 32, centrifugal block; 33, control switch; 34, sealing groove; 35, electric telescopic rod; 36, fastening ring; 37, unloading channel. Detailed implementation manners

[0021] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments.

[0022] In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the accompanying drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the present invention.

[0023] Embodiment: Refer to Figures 1-9, A fully automatic laser welding workstation for RF connector pins, including a base 1, a feeding conveyor device 3, a discharging conveyor device 4 and a fixing frame 10 fixedly connected to the base 1. It further includes: A turntable 11 rotatably connected to the fixing frame 10, and an intermittent driving mechanism 12 rotatably connected to the fixing frame 10 and connected to the shaft end of the turntable 11. A linkage assembly is provided between the intermittent driving mechanism 12 and the fixing frame 10 and the feeding conveyor device 3 and the discharging conveyor device 4, and the turntable 11 is driven by the intermittent driving mechanism 12 to rotate intermittently along the conveying direction of the feeding conveyor device 3; A limiting frame 20 rotatably connected to the turntable 11 for placing RF connector pins. Isolation frames 18 are symmetrically and fixedly connected to the fixing frame 10, and permanent magnets 19 are fixedly connected to the isolation frames 18. A locking mechanism is provided between the limiting frame 20 and the turntable 11 for locking the shaft end of the limiting frame 20 when the limiting frame 20 rotates to the area of the permanent magnet 19. Among them, a fastening mechanism is provided between the turntable 11 and the limiting frame 20 for fastening the RF connector pins in the limiting frame 20 when the turntable 11 stops rotating.

[0024] It should be noted that the RF connector pins are generally T-shaped or cross-shaped, and the pins are usually welded at the horizontal position of the T-shape or one end of the cross-shape (the length of one end of the welding position is less than that of the other end, but the diameter is slightly larger). It also includes a welding station 2 fixedly connected to the base 1. The welding station 2 includes welding equipment and a control panel. Among them, the welding head of the welding equipment is close to the upper limiting frame 20. A discharging channel 37 is fixedly connected to the inner wall of the discharging conveyor device 4. The discharging channel 37 is inclined, and the end of the discharging channel 37 is close to the limiting frame 20. The size of the discharging channel 37 matches the size of the turntable 11. The discharging channel 37 is located between the permanent magnets 19 on both sides. By operating the control panel, the height and position of the welding head can be adjusted, and operations such as welding can be realized. This is a conventional means in the prior art, so it will not be elaborated. In addition, a feeding device can be set at a position close to the feeding conveyor device 3 to realize automatic feeding of the RF connector, such as a vibrating feeding tray, etc. The feeding conveyor device 3 and the discharging conveyor device 4 both include conveying rollers, conveyor belts and frames. The specific structure can refer to the technical solutions in the prior art, and the conveyor belt is inclined to facilitate the feeding and discharging of the RF connector.

[0025] Refer to Figure 2 、 Figure 4 and Figure 5, the intermittent driving mechanism 12 includes a limit disk 121 and an adjusting disk 125 rotatably connected to the fixed frame 10. On the side of the limit disk 121 away from the fixed frame 10, a fixed disk 122 is fixedly connected. On the side of the fixed disk 122 close to the limit disk 121, a driving rod 123 is fixedly connected. On the side of the limit disk 121 close to the driving rod 123, a sector-shaped groove 124 is formed. On the adjusting disk 125, a plurality of arc-shaped grooves 126 matching the limit disk 121 are formed. On the adjusting disk 125, a plurality of driving grooves 127 matching the driving rod 123 are formed. Among them, the adjusting disk 125 is connected to the shaft end of the turntable 11. The outer wall of the limit disk 121 is attached to the arc-shaped groove 126. The linkage assembly includes a driving wheel 15 rotatably connected to the sides of the feeding conveyor 3 and the discharging conveyor 4 close to the fixed disk 122. On the side of the fixed disk 122 close to the driving wheel 15, a direction-changing wheel 13 is fixedly connected. On the side of the fixed frame 10 close to the direction-changing wheel 13, a linkage wheel 14 is rotatably connected. A belt 16 is sleeved between the driving wheel 15, the direction-changing wheel 13, and the linkage wheel 14. Among them, the driving wheel 15 is connected to the shaft ends of the feeding conveyor 3 and the discharging conveyor 4. A driving motor 5 is provided on the feeding conveyor 3. When the driving wheel 15 rotates, the direction-changing wheel 13 is driven to rotate in the opposite direction of the driving wheel 15 through the linkage wheel 14 and the belt 16. A dust suction device 17 connected to the linkage wheel 14 is fixedly connected to the base 1.

[0026] When the radio frequency connector is on the feeding conveyor 3, driving the feeding conveyor 3 can convey the radio frequency connector, and at the same time drive the limit disk 121 and the fixed disk 122 to rotate in the reverse direction. Under the action of the driving rod 123 and the driving groove 127, the turntable 11 is driven to rotate in the same direction as the feeding conveyor 3. When the limit disk 121 and the fixed disk 122 rotate one circle, under the action of the sector-shaped groove 124 and the arc-shaped groove 126, the turntable 11 can be stopped and stay in place to facilitate welding of the radio frequency connector. In addition, according to the welding time, the conveying speed of the feeding conveyor 3 and the diameter ratio between the driving wheel 15 and the direction-changing wheel 13 can be adjusted so that the staying time of the turntable 11 matches or is slightly longer than the welding time required; in addition, since welding slag will appear during the welding process and is likely to remain on the limit frame 20, during the conveying process, when driving the linkage wheel 14 to rotate, the dust suction device 17 will be driven. The diameter ratio between the linkage wheel 14 and the driving wheel 15 can be adjusted according to the rotation speed required for the dust suction device 17 to generate a certain suction force, that is, when the limit frame 20 rotates to the position of the dust suction device 17, the suction force generated by the dust suction device 17 will clean and collect the welding slag remaining on the limit frame 20, thereby ensuring the welding quality of the subsequent radio frequency connectors.

[0027] Refer to Figures 6-8, the locking mechanism includes a rotating groove 23 formed in the turntable 11. A positioning disk 24 is rotatably connected inside the rotating groove 23. A plurality of sliding grooves 25 are formed on one side of the turntable 11 close to the rotating groove 23. A first spring 26 is fixedly connected inside the sliding groove 25. The end of the first spring 26 is fixedly connected with a slider 27 slidably connected to the sliding groove 25. A positioning rod 28 is fixedly connected to the side of the slider 27 away from the first spring 26. A positioning groove 29 matching the positioning rod 28 is formed on one side of the positioning disk 24 close to the sliding groove 25. Among them, the shaft end of the limiting frame 20 is connected to the positioning disk 24. The slider 27 has magnetism, and the sides of the slider 27 and the permanent magnet 19 close to each other have the same magnetism.

[0028] During the rotation of the limiting frame 20, it is always in a horizontal state, so that the welding position of the RF connector is always close to the welding head. When welding, the limiting frame 20 at the welding position will rotate between the two permanent magnets 19 on both sides. Under the action of the permanent magnet 19, it will drive the slider 27 to move towards the positioning groove 29 until the positioning rod 28 is driven to be inserted into the positioning groove 29. At this time, the limiting frame 20 always maintains this angle. First, it can ensure that the limiting frame 20 will not rotate during the welding process. When the welding is completed and the limiting frame 20 continues to rotate, the angle of the limiting frame 20 will change with the rotation of the turntable 11, that is, it will gradually tilt towards the blanking conveying device 4. When it rotates to a certain angle, the RF connector will fall out of the limiting frame 20 and, under the action of the blanking channel 37, fall onto the blanking conveying device 4, thus realizing the automatic blanking of the RF connector. It should be noted that the isolation frame 18 has the function of isolating magnetism, avoiding the mutual repulsion between the permanent magnet 19 and the slider 27 in the inclined direction, so as to ensure the stability of the locking of the limiting frame 20.

[0029] Refer to Figure 6 、 Figure 7 and Figure 9, the fastening mechanism includes multiple groups of mounting grooves 30 opened in the turntable 11. A second spring 31 is fixedly connected inside the mounting groove 30. The end of the second spring 31 is fixedly connected with a centrifugal block 32 that is slidably connected to the mounting groove 30. A control switch 33 is fixedly connected to the side of the mounting groove 30 away from the second spring 31. Among them, the number of mounting grooves 30 is the same as the number of limit frames 20. When the turntable 11 rotates, the centrifugal block 32 moves towards the side of the second spring 31. It also includes a sealing groove 34 opened in the limit frame 20. Electric telescopic rods 35 are symmetrically and fixedly connected inside the sealing groove 34. The end of the electric telescopic rod 35 is fixedly connected with a fastening ring 36 that is slidably connected to the sealing groove 34. Among them, the electric telescopic rod 35 is electrically connected to the control switch 33 in the corresponding direction. The fastening ring 36 and the sealing groove 34 are connected in a sealed manner. The limit frame 20 is provided with a hole matching the small size of the RF connector pin. And the sealing groove 34 communicates with the hole on the limit frame 20. A diversion hopper 21 matching the hole is fixedly connected to the limit frame 20. A counterweight 22 is fixedly connected to the side of the limit frame 20 away from the diversion hopper 21.

[0030] Under the action of the counterweight 22, the limit frame 20 always maintains a horizontal state during the rotation process. The diversion hopper 21 can ensure that the RF connector can be stably inserted into the inner hole of the limit frame 20 during the feeding process. In addition, when the limit frame 20 rotates, the centrifugal block 32 will do centrifugal motion under the action of centrifugal force, so as to disengage from the control switch 33 to ensure that the RF connector can be stably conveyed into the hole of the limit frame 20. When the limit frame 20 stops rotating, the centrifugal block 32 will move towards the initial position under the action of the second spring 31, so as to contact the control switch 33 and drive the electric telescopic rod 35 to extend outwards, thereby fastening the RF connector through the fastening ring 36 to avoid the situation of the RF connector shifting during welding. It should be noted that in this application, the design of gas pipeline connection or electrical circuit connection can be achieved through the slip ring method. That is to say, even when the turntable 11 and the limit frame 20 are in a rotating state, it can ensure the stable transmission of gas and the on-state of the circuit.

[0031] Refer to Figures 1-3, there are symmetrically rotatably connected baffles 6 on the feeding and conveying device 3. There is a fixed arc-shaped air cylinder 7 between the baffle 6 and the inner wall of the feeding and conveying device 3. Among them, the arc-shaped air cylinder 7 is connected to the sealing groove 34 through a pipeline. And when the sealing groove 34 is in a negative pressure state, the arc-shaped air cylinder 7 extends outwards. The center of the arc-shaped air cylinder 7 and the axis of the baffle 6 are on the same straight line. On one side of the feeding and conveying device 3 close to the end of the baffle 6, there are symmetrically fixed guide rows 8. There are multiple groups of guide wheels 9 rotatably connected to the guide rows 8. Among them, one end of the guide row 8 close to the baffle 6 is inclined. The other end of the guide row 8 is close to the limit frame 20. The distance between the two guide rows 8 is greater than the small size of the RF connector pins and less than the large size of the RF connector pins.

[0032] It should be explained that the air inlet position of the arc-shaped air cylinder 7 is at one end close to the baffle 6. Therefore, when gas is conveyed into the arc-shaped air cylinder 7, it will drive the arc-shaped air cylinder 7 to contract inwards. When inhaling, it can drive the arc-shaped air cylinder 7 to extend outwards. This is a conventional means in the prior art, so it will not be elaborated. After the RF connector is placed on the feeding and conveying device 3 by the feeding device, under the action of the feeding and conveying device 3, it will drive the RF connector to move towards the guide row 8 side. And under the action of the baffle 6, the small-size part of the RF connector can enter between the two guide rows 8. Under the action of the guide wheels 9, the RF connector can slide along the guide row 8 towards the limit frame 20 side. Under the action of the diversion hopper 21, it will finally fall into the hole on the limit frame 20. When the RF connector pins are welded, through the change of the air pressure in the sealing groove 34, it will drive the arc-shaped air cylinder 7 to extend outwards, driving the baffle 6 to block the RF connector to prevent the RF connector from continuing to be conveyed. After welding is completed, the RF connector can continue to be conveyed. It should be explained that the feeding device will not place multiple RF connectors on the feeding and conveying device 3 at the same time. Therefore, there will be no situation of RF connector accumulation at the baffle 6.

[0033] The above is only a preferred specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present invention, according to the technical solution and inventive concept of the present invention, makes equivalent substitutions or changes, and should be covered by the protection scope of the present invention.

Claims

1. A fully automatic laser welding workstation for radio frequency connector pins, comprising a base (1) and a loading and conveying device (3), a unloading and conveying device (4) and a fixing frame (10) fixedly connected to the base (1), characterized in that: Also includes: A turntable (11) is rotatably connected to the fixed frame (10); an intermittent drive mechanism (12) connected to the shaft end of the turntable (11) is rotatably connected to the fixed frame (10); a linkage assembly is provided between the intermittent drive mechanism (12) and the fixed frame (10) and the loading conveying device (3) and the unloading conveying device (4); the turntable (11) is driven by the intermittent drive mechanism (12) to intermittently rotate along the conveying direction of the loading conveying device (3); A limit frame (20) is rotatably connected to the turntable (11) and is used to place pins of a radio frequency connector. An isolation frame (18) is symmetrically fixedly connected to the fixed frame (10), and a permanent magnet (19) is fixedly connected to the isolation frame (18). A locking mechanism is provided between the limit frame (20) and the turntable (11), and is used to lock the shaft end of the limit frame (20) when the limit frame (20) rotates to the area of ​​the permanent magnet (19). A fastening mechanism is provided between the rotating disk (11) and the limiting frame (20), and is used to fasten the pins of the radio frequency connector in the limiting frame (20) when the rotating disk (11) stops rotating.

2. The fully automatic laser welding workstation for RF connector pins according to claim 1 is characterized in that: The intermittent drive mechanism (12) comprises a limit plate (121) and an adjustment plate (125) rotatably connected to a fixed frame (10); a fixed plate (122) is fixedly connected to a side of the limit plate (121) away from the fixed frame (10); a drive rod (123) is fixedly connected to a side of the fixed plate (122) close to the limit plate (121); a fan-shaped groove (124) is provided on a side of the limit plate (121) close to the drive rod (123); a plurality of groups of arc grooves (126) matching the limit plate (121) are provided on the adjustment plate (125); and a plurality of groups of drive grooves (127) matching the drive rod (123) are provided on the adjustment plate (125). The adjusting disk (125) is connected to the shaft end of the rotating disk (11), and the outer wall of the limiting disk (121) is in contact with the arc groove (126).

3. The fully automatic laser welding workstation for RF connector pins according to claim 2 is characterized in that: The linkage assembly comprises a driving wheel (15) rotatably connected to a side of the loading conveying device (3) and the unloading conveying device (4) close to a fixed plate (122); a direction-changing wheel (13) is fixedly connected to a side of the fixed plate (122) close to the driving wheel (15); a linkage wheel (14) is rotatably connected to a side of the fixed frame (10) close to the direction-changing wheel (13); a belt (16) is sleeved between the driving wheel (15), the direction-changing wheel (13) and the linkage wheel (14); The driving wheel (15) is connected to the shaft ends of the loading conveying device (3) and the unloading conveying device (4); a driving motor (5) is provided on the loading conveying device (3); when the driving wheel (15) rotates, the direction-changing wheel (13) is driven to rotate in the opposite direction of the driving wheel (15) through the linkage wheel (14) and the belt (16); and a dust collecting device (17) connected to the linkage wheel (14) is fixedly connected to the base (1).

4. The fully automatic laser welding workstation for RF connector pins according to claim 1 is characterized in that: The locking mechanism comprises a rotating groove (23) provided in the rotating disk (11), a positioning disk (24) being rotatably connected inside the rotating groove (23), a plurality of sliding grooves (25) being provided on a side of the rotating disk (11) close to the rotating groove (23), a first spring (26) being fixedly connected inside the sliding groove (25), a sliding block (27) being slidably connected to the sliding groove (25) being fixedly connected to an end of the first spring (26), a positioning rod (28) being fixedly connected to a side of the sliding block (27) away from the first spring (26), and a positioning groove (29) matching the positioning rod (28) being provided on a side of the positioning disk (24) close to the sliding groove (25). The shaft end of the limiting frame (20) is connected to the positioning plate (24), the sliding block (27) is magnetic, and the sliding block (27) and the permanent magnet (19) have the same magnetic properties on a side close to each other.

5. The fully automatic laser welding workstation for RF connector pins according to claim 1, characterized in that: The fastening mechanism comprises a plurality of mounting grooves (30) formed in the rotating disk (11), a second spring (31) being fixedly connected to the inside of the mounting groove (30), a centrifugal block (32) being fixedly connected to the end of the second spring (31) and being slidably connected to the mounting groove (30), and a control switch (33) being fixedly connected to a side of the mounting groove (30) away from the second spring (31). The number of the mounting slots (30) is the same as the number of the limiting frames (20), and when the rotating disk (11) rotates, the centrifugal block (32) moves toward one side of the second spring (31).

6. The fully automatic laser welding workstation for RF connector pins according to claim 5, characterized in that: It also includes a sealing groove (34) provided in the limiting frame (20), the interior of the sealing groove (34) being symmetrically fixedly connected to an electric telescopic rod (35), and the end of the electric telescopic rod (35) being fixedly connected to a fastening ring (36) slidably connected to the sealing groove (34). The electric telescopic rod (35) is electrically connected to the control switch (33) in the corresponding direction, the fastening ring (36) is connected to the sealing groove (34) in a sealed manner, a hole matching the small size of the pin of the radio frequency connector is provided on the limit frame (20), and the sealing groove (34) is connected to the hole on the limit frame (20), a guide bucket (21) matching the hole is fixedly connected to the limit frame (20), and a counterweight block (22) is fixedly connected to the side of the limit frame (20) away from the guide bucket (21).

7. The fully automatic laser welding workstation for RF connector pins according to claim 1, characterized in that: It also comprises a welding station (2) fixedly connected to the base (1), the welding station (2) comprising welding equipment and a control panel, wherein the welding head of the welding equipment is close to the upper limiting frame (20).

8. The fully automatic laser welding workstation for RF connector pins according to claim 6, characterized in that: A baffle (6) is symmetrically connected to the feeding and conveying device (3), and an arc-shaped cylinder (7) is fixedly connected between the baffle (6) and the inner wall of the feeding and conveying device (3). The arc-shaped cylinder (7) and the sealing groove (34) are connected via a pipeline, and when the sealing groove (34) is in a negative pressure state, the arc-shaped cylinder (7) extends outward, and the center of the arc-shaped cylinder (7) and the axis of the baffle (6) are located on the same straight line.

9. The fully automatic laser welding workstation for RF connector pins according to claim 8, characterized in that: A guide row (8) is symmetrically fixedly connected to one side of the loading conveying device (3) near the end of the baffle (6), and a plurality of guide wheels (9) are rotatably connected to the guide row (8). One end of the guide row (8) close to the baffle (6) is inclined, and the other end of the guide row (8) is close to the limit frame (20). The distance between the two groups of guide rows (8) is greater than the small size of the RF connector pins and smaller than the large size of the RF connector pins.

10. The fully automatic laser welding workstation for RF connector pins according to claim 1, characterized in that: A material discharge channel (37) is fixedly connected to the inner wall of the material discharge conveying device (4); the material discharge channel (37) is arranged in an inclined manner, and an end of the material discharge channel (37) is close to the limit frame (20); the size of the material discharge channel (37) matches the size between the turntables (11); and the material discharge channel (37) is located between the permanent magnets (19) on both sides.

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