Electronic component pin bending apparatus, circuit board production apparatus, and production method

Abstract

The application relates to the technical field of electronic component processing, and discloses an electronic component pin bending device, which comprises a mounting plate, a door, two support plates, L-shaped top pieces slidably mounted at the top sidewalls of the two support plates respectively, a rotating rod rotatably connected to the bottom inner walls of the two support plates respectively, a transmission wheel synchronously connected with the rotating rod, a pushing foot provided on the arc-shaped outer wall of the transmission wheel and capable of pushing the door, and a connecting rod movably connected to the top end sides of the pushing foot, provided with a volute spring and provided with a U-shaped contact block at the end. According to the scheme, the bending protection assembly is arranged to protect the left and right sides of the pin of the electronic component during pin bending, so that the bending effect of the pin of the electronic component is ensured, and the pin is prevented from being damaged, thereby improving the yield of the electronic component processing.

Description

TECHNICAL FIELD

[0001] The application relates to the technical field of circuit board and electronic component processing, in particular to an electronic component pin bending device, a circuit board production device and a circuit board production method. BACKGROUND

[0002] In the electronic component processing operation, the traditional straight electronic component pin is prone to falling off when the electronic component and the PCB circuit board are synchronously driven, so the pin part of the electronic component is usually processed in a bent form to keep the electronic component in a close state.

[0003] According to a kind of electronic component pin bending device (publication number: CN217798634U, hereinafter referred to as document one), by first making lifting drive pressure mechanism descend and extrude electronic component, then make first horizontal telescopic drive pressure mechanism and second horizontal telescopic drive pressure mechanism simultaneously move towards the pin of both ends of electronic component, to realize the bending action of electronic component pin.

[0004] However, the device of document one ignores the protection of the pin bending part during the bending operation, and the bending action will cause the straight pin to bend, and the sidewall of the pin will shrink and stretch accordingly. Without effective close protection measures, the bending action will cause the outer wall of the stretched side of the pin to crack or directly break, resulting in production of electronic component defective products, affecting the normal processing effect of electronic component pin bending. In view of this, we propose an electronic component pin bending device. SUMMARY

[0005] The purpose of the present application is to provide an electronic component pin bending device, a circuit board production device and a circuit board production method to solve the problems raised in the background art.

[0006] To achieve the above purpose, the present application provides the following technical scheme: an electronic component pin bending device, comprising:

[0007] a mounting plate;

[0008] a door, comprising two support plates respectively mounted on the upper surface of the mounting plate, and an L-shaped top piece with two ends respectively slidingly mounted on the top sidewall of the two support plates;

[0009] a rotating rod, both ends of which are rotatably connected to the bottom inner wall of the two support plates;

[0010] a transmission wheel, synchronously connected with the rotating rod, the arc-shaped outer wall of the transmission wheel is provided with a pushing foot pushing in the direction of the door;

[0011] and

[0012] The connecting rod is movably connected to the top of the pushing foot, and a volute spring is arranged between the connecting rod and the pushing foot.

[0013] Preferably, the rotating rod is penetrated by a transmission gear one, the inner wall of the support plate is provided with a transmission gear two in transmission connection with the transmission gear one, and the inner wall of the support plate is slidably provided with a transmission tooth rod in engagement with the transmission gear two.

[0014] Preferably, the rotating rod is penetrated by a transmission gear one, the inner wall of the support plate is provided with a transmission gear two in transmission connection with the transmission gear one, and the inner wall of the support plate is slidably provided with a transmission tooth rod in engagement with the transmission gear two.

[0015] Preferably, the rotating rod is penetrated by a transmission gear one, the inner wall of the support plate is provided with a transmission gear two in transmission connection with the transmission gear one, and the bottom of the L-shaped top piece is hingedly connected with a hinge rod away from the L-shaped top piece.

[0016] Preferably, the rotating rod is penetrated by a transmission gear one, the inner wall of the support plate is provided with a transmission gear two in transmission connection with the transmission gear one, and the inner wall of the support plate is slidably provided with a double-tooth transmission piece, the double-tooth transmission piece is provided with a gear containing space, the inner walls on both sides of the gear containing space are respectively provided with a first rack and a second rack, the transmission gear two is arranged in the gear containing space, the transmission gear two is an incomplete gear structure and is provided with an incomplete outer meshing tooth on the outer wall, the transmission gear two is driven to intermittently engage with the first rack and the second rack through the incomplete outer meshing tooth, the top of the double-tooth transmission piece is hingedly connected with a hinge rod, and the end of the hinge rod away from the double-tooth transmission piece is hingedly connected to the bottom of the L-shaped top piece.

[0017] Preferably, the right-angle side outer wall of the L-shaped top piece is arranged as an arc surface.

[0018] The top outer wall of the pushing foot is provided with a plurality of arc-shaped grooves.

[0019] The upper surface of the side away from the pushing foot of the U-shaped contact block is arranged as an arc surface, and a plurality of arc-shaped grooves are arranged on the arc surface.

[0020] The inner part of the support plate is provided with a bending protection assembly, and the bending protection assembly comprises an L-shaped top piece.

[0021] Preferably, the tooth number ratio of the transmission gear two to the transmission gear one is 2:1.

[0022] The top of the transmission tooth rod is provided with a through groove, and the hinge point of the transmission tooth rod and the hinge rod is slidably installed in the through groove.

[0023] In another aspect, a circuit board production device comprises:

[0024] a conveying line for conveying the circuit board;

[0025] a pin processing station for receiving the circuit board conveyed by the conveying line;

[0026] a claw for clamping the circuit board at the pin processing station;

[0027] a first lifting device for driving the claw to approach or move away from the pin processing station;

[0028] an electronic component pin bending device arranged at the bottom of the pin processing station; and

[0029] a second lifting device for driving the electronic component pin bending device to approach or move away from the pin processing station;

[0030] wherein the electronic component pin bending device is any one of the electronic component pin bending devices described in the preceding.

[0031] In another aspect, a circuit board production method comprises the following steps:

[0032] a loading step of inserting the pins of the electronic components into the PCB, and conveying the PCB to the pin processing station by the conveying line;

[0033] a clamping step of driving the claw to clamp the PCB by the first lifting device;

[0034] a pin bending step of lifting the electronic component pin bending device by the second lifting device, and bending the pins of the electronic components on the PCB by the electronic component pin bending device;

[0035] a tin flowing step of performing tin flowing on the PCB after the pin bending.

[0036] Preferably, the pin bending step comprises the following steps:

[0037] an initial step of setting the pin and the door at a predetermined angle, and presetting the L-shaped top piece at one end close to the pin;

[0038] a preparation step of lifting the electronic component pin bending device by the second lifting device, so that the pins of the electronic components are inserted into the predetermined angle between the pin and the door;

[0039] a pin moving step of moving the pins of the electronic components towards the door by the pin, until the pins of the electronic components are bent along the outer wall structure of the L-shaped top piece;

[0040] an unloading step of resetting the pin and moving the pin away from the door, driving the transmission gear rod to slide downward by the transmission gear two, until the articulated rod pulls the L-shaped top piece to the end away from the pin, and the L-shaped top piece is separated from the bent pins of the electronic components.

[0041] Returning step: the second lifting device driving electronic element pin bending device is lowered, the first lifting device driving clamping jaw is loosened and away from the PCB board, and the initialization step is executed again.

[0042] Compared with the prior art, the electronic element pin bending device has the following advantages

[0043] Beneficial effects:

[0044] 1. The electronic element pin bending device avoids cracking or direct breaking of the pin of the electronic element during bending by providing a bending protection assembly, cooperating with the L-shaped top piece and the U-shaped contact block, so that the left and right sides of the pin of the electronic element can be protected during bending, ensuring the bending effect of the pin of the electronic element while avoiding damage to the pin, thereby improving the yield of electronic element processing.

[0045] 2. The electronic element pin bending device has a plurality of arc-shaped grooves on the upper surface of the foot and the upper surface of the U-shaped contact block away from the foot, so that the foot and the U-shaped contact block can better grip the surface of the pin of the electronic element, avoiding slipping during bending and affecting the bending processing effect of the pin of the electronic element. BRIEF DESCRIPTION OF DRAWINGS

[0046] Figure 1 The main structure of the present application is shown in the schematic diagram.

[0047] Figure 2 The schematic diagram of the cross-sectional structure of the present application is shown.

[0048] Figure 3 The schematic diagram of the bending state structure of the present application is shown.

[0049] Figure 4 The schematic diagram of the transmission gear rod structure of the present application is shown.

[0050] Figure 5 The schematic diagram of another embodiment of the present application is shown.

[0051] Figure 6 The schematic diagram of another embodiment of the present application is shown.

[0052] Figure 7 The schematic diagram of another embodiment of the present application is shown.

[0053] Figure 8 The schematic diagram of another embodiment of the present application is shown. Figure 7 The schematic diagram of another embodiment of the present application is shown.

[0054] In the diagram: 1. Mounting plate; 2. Support plate; 3. Rotating rod; 4. Transmission wheel; 5. Toggle foot; 6. Bending protection assembly; 61. L-shaped top piece; 62. Connecting rod; 63. U-shaped contact block; 64. Worm spring; 65. Transmission gear one; 66. Transmission gear two; 661. Incomplete external meshing gear; 67. Transmission rack; 68. Hinge rod; 69. Through slot; 7. Double tooth transmission component; 71. First rack; 72. Second rack; 73. Gear accommodating space; 100. Toggle door. Detailed Implementation

[0055] like Figures 1-8 As shown, an electronic component pin bending device includes a mounting plate 1, a gate 100, a rotating rod 3, a transmission wheel 4, and a connecting rod 62. Wherein:

[0056] The sliding door 100 includes two support plates 2 respectively installed on the upper surface of the mounting plate 1, and an L-shaped top piece 61 slidably installed at both ends on the top sidewalls of the two support plates 2.

[0057] The rotating rod 3 is rotatably connected at both ends to the bottom inner walls of the two support plates 2;

[0058] The transmission wheel 4 is synchronously connected to the rotating rod 3, and the arc-shaped outer wall of the transmission wheel 4 is provided with a lever 5 that moves towards the lever 100.

[0059] Link 62 is movably connected to both sides of the top of the shift foot 5. A spiral spring 64 is provided between link 62 and shift foot 5. A U-shaped contact block 63 is provided at the end of link 62.

[0060] Preferred, Reference Figures 2-4 A transmission gear 65 passes through the rotating rod 3. A transmission gear 66, which is connected to the transmission gear 65, is installed on the inner wall of the support plate 2. A transmission rack 67, which meshes with the transmission gear 66, is slidably installed on the inner wall of the support plate 2. A hinge rod 68 is hinged to the top of the transmission rack 67. The end of the hinge rod 68 away from the transmission rack 67 is hinged to the bottom of the L-shaped top piece 61. Furthermore, when the toggle foot 5 bends the lead of the electronic component in the forward direction, the toggle foot 5 returns to its original position and is then turned in the reverse direction, causing the transmission rack 67 to slide down and simultaneously pulling the hinge rod 68 down as well. The hinge rod 68 pulls the L-shaped top piece 61 away from the toggle foot 5 until the bent lead separates from the L-shaped top piece 61. At this point, the electronic component and its lead can be directly removed, effectively improving the unloading efficiency.

[0061] Preferred, Reference Figure 6The transmission gear one 65 is penetrated by the rotating rod 3, the inner wall of the support plate 2 is installed with the transmission gear two 66 which is in transmission connection with the transmission gear one 65, and the bottom of the L-shaped top piece 61 is provided with the transmission rack which is engaged with the transmission gear two 66. Further, when the prong 5 is bent in the positive direction to bend the pin of the electronic component, the transmission gear one 65 drives the transmission gear two 66 to rotate synchronously, and the transmission gear two 66 drives the L-shaped top piece 61 to move towards the prong 5. After the prong 5 is reset and then is driven in the reverse direction, the transmission gear two 66 drives the L-shaped top piece 61 to move away from the prong 5 until the bent pin is separated from the L-shaped top piece 61, at which time the electronic component and the pin can be directly taken out, effectively improving the unloading efficiency.

[0062] Preferably, referring to Figure 5 The transmission gear one 65 is penetrated by the rotating rod 3, the inner wall of the support plate 2 is installed with the transmission gear two 66 which is in transmission connection with the transmission gear one 65, and the bottom of the L-shaped top piece 61 is provided with the transmission rack which is engaged with the transmission gear two 66. Further, when the prong 5 is bent in the positive direction to bend the pin of the electronic component, the transmission gear one 65 drives the transmission gear two 66 to rotate synchronously, and the transmission gear two 66 drives the L-shaped top piece 61 to move towards the prong 5. After the prong 5 is reset and then is driven in the reverse direction, the transmission gear two 66 drives the L-shaped top piece 61 to move away from the prong 5 until the bent pin is separated from the L-shaped top piece 61, at which time the electronic component and the pin can be directly taken out, effectively improving the unloading efficiency.

[0063] Preferably, referring to Figure 7 and Figure 8, the transmission gear one 65 is penetrated through, the inner wall of the support plate 2 is provided with the transmission gear two 66 which is in transmission connection with the transmission gear one 65, the inner wall of the support plate 2 is slidably provided with the double-tooth transmission piece 7, the double-tooth transmission piece 7 is provided with the gear containing space 73, the inner wall of both sides of the gear containing space 73 is respectively provided with the first rack 71 and the second rack 72, the transmission gear two 66 is arranged in the gear containing space 73, the transmission gear two 66 is an incomplete gear structure and is provided with the incomplete outer meshing tooth 661 on the outer wall, the transmission gear two 66 is rotated to drive the incomplete outer meshing tooth 661 to intermittently mesh with the first rack 71 and the second rack 72 respectively, the top of the double-tooth transmission piece 7 is hingedly provided with the hinged rod 68, and the end of the hinged rod 68 away from the double-tooth transmission piece 7 is hingedly connected to the bottom of the L-shaped top piece 61.

[0064] Preferably, the straight side outer wall of the L-shaped top piece 61 is arranged as an arc surface;

[0065] The top outer wall of the poking foot 5 is provided with a plurality of arc-shaped grooves;

[0066] The upper surface of the side of the U-shaped contact block 63 away from the poking foot 5 is arranged as an arc surface, and a plurality of arc-shaped grooves are arranged on the arc surface;

[0067] The inside of the support plate 2 is provided with the bending protection assembly 6, and the bending protection assembly 6 comprises the L-shaped top piece 61.

[0068] Preferably, the gear number ratio of the transmission gear two 66 to the transmission gear one 65 is 2:1;

[0069] The top of the transmission gear rod 67 is provided with a through groove 69, and the hinged point of the transmission gear rod 67 and the hinged rod 68 is slidably arranged in the through groove 69.

[0070] Reference Figures 1-8The application provides a technical scheme: an electronic component pin bending device, which comprises a mounting plate 1, the upper surface of the mounting plate 1 is fixedly provided with a supporting plate 2, the inner wall of the supporting plate 2 is penetrated by a rotating rod 3, the rotating rod 3 is rotationally connected with the supporting plate 2, the rotating rod 3 is penetrated by a transmission wheel 4, the transmission wheel 4 is fixedly connected with the rotating rod 3, the arc-shaped outer wall of the transmission wheel 4 is fixedly provided with a poking foot 5, the inner part of the supporting plate 2 is provided with a bending protection assembly 6, the bending protection assembly 6 comprises an L-shaped top piece 61, the sidewall of the supporting plate 2 is slidingly provided with the L-shaped top piece 61, the inner wall of the top end of the poking foot 5 is penetrated by a connecting rod 62, the connecting rod 62 is rotationally connected with the poking foot 5, the end of the connecting rod 62 is fixedly connected with a U-shaped contact block 63, one end of a volute spring 64 is fixedly connected with the outer wall of the left and right sides of the poking foot 5, the other end of the volute spring 64 is fixedly connected with the arc-shaped outer wall of the connecting rod 62, the rotating rod 3 is penetrated by a transmission gear one 65, the transmission gear one 65 is fixedly connected with the rotating rod 3, the inner wall of the supporting plate 2 is rotationally provided with a transmission gear two 66, the inner wall of the supporting plate 2 is slidingly provided with a transmission gear rod 67, the top end of the transmission gear rod 67 is hingedly provided with the bottom end of a hinge rod 68.

[0071] In an embodiment of the application, the lower surface of the mounting plate 1 is fixedly provided with a servo motor, and the output end of the servo motor is provided with a gear which can be engaged with and drive the transmission wheel 4, so that the rotation direction of the transmission wheel 4 can be controlled by controlling the starting of the servo motor through an external control device, thereby realizing the bending operation of the poking foot 5 on the pin of the electronic component, further, the number of the supporting plates 2 is two, and the two supporting plates 2 are mirror image arranged on the left and right sides of the transmission wheel 4, so as to provide stable support and positioning for the L-shaped top piece 61, in addition, the outer wall of the right angle side of the L-shaped top piece 61 is provided as an arc surface, so as to reduce the hard extrusion on the pin bending part of the electronic component caused by the L-shaped top piece 61, and avoid damaging the pin, at the same time, the upper surface of the side away from the poking foot 5 of the U-shaped contact block 63 is provided as an arc surface, and a plurality of arc-shaped grooves are arranged on the arc surface, so as to improve the gripping force when the U-shaped contact block 63 contacts with the pin of the electronic component, effectively improve the protection effect of the U-shaped contact block 63 on the pin of the electronic component, specifically, a plurality of arc-shaped grooves are also arranged on the outer wall of the top of the poking foot 5, so as to improve the contact effect between the poking foot 5 and the pin of the electronic component, thereby ensuring the bending stability of the pin of the electronic component, further, the number of the volute springs 64 is two, and the two volute springs 64 are mirror image arranged on the left and right sides of the poking foot 5, at the same time, the volute spring 64 is sleeved on the outer side of the connecting rod 62, so that the connecting rod 62 and the U-shaped contact block 63 can obtain more stable transmission effect.

[0072] In the embodiment of the present application, the L-shaped top piece 61 is in sliding connection with the side wall of the support plate 2, and the side wall of the support plate 2 is provided with an inclined sliding groove, so that the L-shaped top piece 61 can only slide along the inclined sliding groove provided in the side wall of the support plate 2 when moving, specifically, the transmission gear one 65 and the transmission gear two 66 are both installed in the internal cavity of the support plate 2, at the same time, the transmission gear two 66 is in meshing and transmission with the transmission gear one 65, in addition, the tooth number ratio of the transmission gear two 66 and the transmission gear one 65 is 2:1, so that the transmission gear two 66 will only rotate half a turn when the transmission gear one 65 rotates one turn, further, the transmission gear rod 67 is in meshing and transmission with the transmission gear two 66, at the same time, the top of the transmission gear rod 67 is provided with a through groove 69, and the hinge point of the transmission gear rod 67 and the hinge rod 68 is slidingly installed in the through groove 69, specifically, the hinge rod 68 is hinged with the inner wall of the support plate 2, and the top end of the hinge rod 68 is hinged on the lower surface of the L-shaped top piece 61, so that when the transmission gear two 66 rotates clockwise, the hinge point of the hinge rod 68 and the transmission gear rod 67 moves to the top end of the through groove 69 provided on the top of the transmission gear rod 67 when the transmission gear rod 67 moves downward to a certain position, at this time, if the transmission gear rod 67 continues to move downward, it will drive the hinge rod 68 to rotate around the hinge point of the hinge rod 68 and the inner wall of the support plate 2 as the center of rotation, thereby driving the L-shaped top piece 61 to move upward to the right along the sliding groove provided on the side wall of the support plate 2, thereby facilitating the pins of the bent electronic component to be separated.

[0073] In the present application, when in use, the mounting plate 1 is transmitted to the lower side of the pins of the electronic component by the external transmission device, and through the prior setting, the pins are inserted to the target position along or close to the outer surface of the vertical part of the L-shaped top piece 61, and the pins of the electronic component are located at the gap between the L-shaped top piece 61 and the poking foot 5, at this time, the servo motor fixedly installed at the lower side of the mounting plate 1 is started to drive the gear fixedly installed at the output end to rotate counterclockwise, thereby driving the transmission wheel 4 to rotate clockwise, so that the poking foot 5 performs the bending operation on the pins of the electronic component, at this time, the L-shaped top piece 61 and the U-shaped contact block 63 are matched to protect the bending parts of the left and right outer walls of the pins of the electronic component, so as to avoid cracking or direct breaking, ensure that the pins are in a protected state when being stretched, and improve the safety of the pins of the electronic component during the bending process.

[0074] Another scheme, a circuit board production device, comprising: a conveying line, a pin processing position, a claw, a first lifting device, an electronic component pin bending device, and a second lifting device. Wherein:

[0075] The conveying line is used for conveying the circuit board;

[0076] The pin processing position is used for receiving the circuit board conveyed by the conveying line;

[0077] Claws for clamping the circuit board at the pin processing position;

[0078] First lifting device for driving the claws to approach or move away from the pin processing position;

[0079] Electronic component pin bending device arranged at the bottom of the pin processing position;

[0080] Second lifting device for driving the electronic component pin bending device to approach or move away from the pin processing position;

[0081] The electronic component pin bending device is any one of the electronic component pin bending devices described above. The conveying line, the pin processing position, the claws, the first lifting device, and the second lifting device all belong to the prior art in the field of circuit boards, so this application will not be described again.

[0082] Another solution, a circuit board production method, comprising the following steps: feeding step, clamping step, bending step, and tin flow step. Among them:

[0083] Feeding step: the pins of the electronic components are inserted into the PCB board, and the PCB board is conveyed to the pin processing position by the conveying line;

[0084] Clamping step: the first lifting device drives the claws to clamp the PCB board;

[0085] Bending step: the second lifting device lifts the electronic component pin bending device, and the electronic component pin bending device bends the pins of the electronic components on the PCB board;

[0086] Tin flow step: tin flow is performed on the bent PCB board.

[0087] Preferably, the bending step includes the following steps: initialization step, preparation step, dialing step, unloading step, and homing step. Among them:

[0088] Initialization step: the pin 5 and the dial door 100 form a predetermined angle, and the L-shaped top piece 61 is preset at one end close to the pin 5;

[0089] Preparation step: the second lifting device lifts the electronic component pin bending device, so that the pins of the electronic components are inserted into the predetermined angle between the pin 5 and the dial door 100;

[0090] Dialing step: the pin 5 dials the pins of the electronic components towards the dial door 100 until the pins of the electronic components are bent along the outer wall structure of the L-shaped top piece 61;

[0091] The unloading step: the foot 5 is reset, and is pushed towards the direction away from the door 100, the transmission gear two 66 drives the transmission tooth bar 67 to slide downwards, until the articulated rod 68 pulls the L-shaped top piece 61 to the end away from the foot 5, the L-shaped top piece 61 is separated from the pin of the bent electronic component;

[0092] The homing step: the second lifting device drives the electronic component pin bending device to descend, the first lifting device drives the clamping jaw to loosen and move away from the PCB, and the initialization step is executed again.

[0093] In the production process of the circuit board, the tin furnace is needed to carry out the wave soldering, and in order to prevent the electronic component on the circuit board from running or falling off, the pin of the electronic component on the circuit board is usually bent before the tin furnace, so that the electronic component is better adhered to the circuit board, and the running or falling off of the electronic component is prevented when passing through the tin furnace. The document one is to bend the pin of the electronic component vertically, and the document one is described in detail in the specification and the drawings, and the turnover cover is needed to carry out the feeding and discharging, so that it cannot be applied to the pin bending of the electronic component on the circuit board. The application can be applied to the pin bending of the electronic component on the circuit board, so as to be more suitable for the tin flow in the production process of the circuit board.

[0094] The above general description of the application is detailed, but some modifications or improvements can be made on the basis of the application, which is obvious to those skilled in the art. Therefore, the modifications or improvements without departing from the spirit of the application are within the protection scope of the application.

Claims

1. An electronic component pin bending apparatus characterized by comprising: The utility model relates to a kind of electronic component pin bending devices, including: Mounting plate (1); Door (100) is pushed, including two support plates (2) respectively mounted on the upper surface of mounting plate (1), and L type top piece (61) is slidably mounted in the top side wall of two support plates (2) respectively at both ends; Rotating rod (3), two ends are rotatably connected to the bottom inner wall of two support plates (2) respectively; Transmission wheel (4), synchronously connected with rotating rod (3), the arc outer wall of transmission wheel (4) is provided with the toe (5) that is pushed to the direction of door (100); And Connecting rod (62), movably connected to the top end both sides of toe (5), worm spring (64) is arranged between connecting rod (62) and toe (5), the end of connecting rod (62) is provided with U type contact block (63); Rotating rod (3) is penetrated by transmission gear one (65), the inner wall of support plate (2) is provided with transmission gear two (66) that is drivingly connected with transmission gear one (65), the inner wall of support plate (2) is slidably provided with double-tooth transmission piece (7), double-tooth transmission piece (7) is provided with gear containing space (73), the inner wall of both sides of gear containing space (73) is provided with first rack (71) and second rack (72) respectively, transmission gear two (66) is arranged in gear containing space (73), transmission gear two (66) is not complete gear structure and is provided with not complete outer meshing tooth (661) on outer wall, transmission gear two (66) is rotatably driven not complete outer meshing tooth (661) and is intermittently engaged with first rack (71) and second rack (72) respectively, the top of double-tooth transmission piece (7) is hinged with hinged rod (68), the end of hinged rod (68) away from double-tooth transmission piece (7) is hinged to the bottom of L type top piece (61).

2. The electronic component lead bending apparatus according to claim 1, characterized by: The right-angle side outer wall of L type top piece (61) is set as arc surface; The top outer wall of toe (5) is provided with multiple arc grooves; The upper surface of the side of U type contact block (63) away from toe (5) is set as arc surface, and the arc surface is provided with multiple arc grooves; The inside of support plate (2) is provided with bending protection assembly (6), and bending protection assembly (6) includes L type top piece (61).

3. A circuit board production apparatus characterized by comprising: The utility model relates to a kind of electronic component pin bending devices, including: Conveying line for conveying circuit board; Pin processing position for receiving the circuit board conveyed by conveying line; Claw, for clamping the circuit board of pin processing position; First lifting device, for driving the claw to be close to or away from pin processing position; Electronic component pin bending device, is located at the bottom of pin processing position;And Second lifting device, for driving electronic component pin bending device to be close to or away from pin processing position; Wherein, the electronic component pin bending device is the electronic component pin bending device of any one in claim 1 or 2.

4. A method of producing a circuit board, characterized by, An electronic component pin bending device is used, and the bending device includes: Mounting plate (1); Door (100) is pushed, including two support plates (2) respectively mounted on the upper surface of mounting plate (1), and L type top piece (61) is slidably mounted in the top side wall of two support plates (2) respectively at both ends; Rotating rod (3), two ends are rotatably connected to the bottom inner wall of two support plates (2) respectively; The transmission wheel (4) is synchronously connected with the rotating rod (3), and the arc-shaped outer wall of the transmission wheel (4) is provided with a poking foot (5) which pokes in the direction of the door (100); And The connecting rod (62) is movably connected to the top of the two sides of the poking foot (5), and the worm spring (64) is arranged between the connecting rod (62) and the poking foot (5), and the end of the connecting rod (62) is provided with a U-shaped contact block (63); Wherein, the rotating rod (3) penetrates the transmission gear one (65), the inner wall of the support plate (2) is provided with the transmission gear two (66) which is in transmission connection with the transmission gear one (65), the inner wall of the support plate (2) is slidably provided with the transmission tooth bar (67) which is in meshing with the transmission gear two (66), the top of the transmission tooth bar (67) is hingedly connected with the hinge rod (68), and the end of the hinge rod (68) away from the transmission tooth bar (67) is hingedly connected with the bottom of the L-shaped top piece (61). The circuit board production method comprises the following steps: The pin of the electronic component is inserted into the PCB board, and the PCB board is conveyed to the pin processing position by the conveying line; The clamping step: the first lifting device drives the jaw to clamp the PCB board; The pin bending step: the second lifting device lifts the electronic component pin bending device, and the electronic component pin bending device bends the pin of the electronic component on the PCB board; The tin flow step: the PCB board after the pin bending is subjected to the tin flow.

5. The method of producing a circuit board according to claim 4, characterized by: The pin bending step comprises the following steps: Initialization step: the poking foot (5) and the door (100) are at a predetermined angle, and the L-shaped top piece (61) is preset at one end close to the poking foot (5); Preparation step: the second lifting device lifts the electronic component pin bending device, so that the pin of the electronic component is inserted into the predetermined angle between the poking foot (5) and the door (100); The poking step: the poking foot (5) pokes the pin of the electronic component in the direction of the door (100), until the pin of the electronic component is bent along the outer wall structure of the L-shaped top piece (61); The unloading step: the poking foot (5) is reset and poked away from the door (100), the transmission gear two (66) drives the transmission tooth bar (67) to slide downward, until the hinge rod (68) pulls the L-shaped top piece (61) to the end away from the poking foot (5), and the L-shaped top piece (61) is separated from the bent pin of the electronic component; The homing step: the second lifting device drives the electronic component pin bending device to descend, the first lifting device drives the jaw to loosen and move away from the PCB board, and the initialization step is executed again.

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