Double-sided FPC (Flexible Printed Circuit) board printing device

Abstract

The utility model provides a double-sided FPC circuit board printing device which comprises a base, the top of the base is provided with a moving mechanism, the moving mechanism is composed of a fixing assembly used for fixing a circuit board and a conveying assembly used for moving the circuit board, and the top of the base is further provided with an overturning mechanism used for overturning the circuit board. When the circuit board printing device is used, a user can fix two circuit boards needing to be printed through the fixing assembly, then the circuit boards can be moved through the conveying assembly, then one faces of the circuit boards are printed through the printing roller, and then the fixing frame and the circuit boards are overturned through the overturning mechanism. And then the circuit boards are printed through the other set of printing rollers, the effect that the circuit boards can be automatically turned over while the multiple circuit boards can be printed at a time, and therefore the effect that the two faces of each circuit board are printed is achieved, and the printing processing efficiency of the circuit boards is greatly improved.

Description

Technical Field

[0001] The utility model relates to the technical field of FPC circuit board printing, in particular to a double-sided FPC circuit board printing device. Background Art

[0002] Flexible circuit boards, also known as soft circuit boards and flexible circuit boards, are highly favored for their excellent properties such as light weight, thin thickness, and free bending and folding. However, the quality inspection of FPCs in China still mainly relies on manual visual inspection, which is costly and inefficient. With the rapid development of the electronics industry, circuit board designs are becoming more and more high-precision and high-density. Traditional manual inspection methods can no longer meet production needs, and automated inspection of FPC defects has become an inevitable trend in industrial development.

[0003] The Chinese utility model patent with application number: CN202121868182.6 discloses an efficient FPC circuit board printing device, including a base, a control box is fixedly connected to the end face of one side of the inner cavity of the base, a motor is fixedly installed in the inner cavity of the control box, the output end of the motor is fixedly connected to the rotating shaft, the other end of the rotating shaft is rotatably connected to the inner wall of the base through a bearing, a gear is sleeved on the rotating shaft, and the top of the gear is meshed with a rack plate 1; the utility model realizes the uninterrupted printing of the circuit boards on the fixed plate 1 and the fixed plate 2 by the printing plate through the cooperation between the motor, the rotating shaft, the gear, the rack plate 1, the connecting component 1, the fixed plate 1, the rack plate 2, the connecting component 2 and the fixed plate 2, thereby reducing the waiting time of the staff during a single printing process, making full use of the time between two printings, and greatly improving the work efficiency of circuit board printing.

[0004] However, when the above technical solution is used, although it can reduce the waiting time that the user needs to wait for a single print, it can only print on a single circuit board at a time, and can only print on a single side of the circuit board at a time, resulting in that after printing on one side, the user needs to manually flip the circuit board and print on the circuit board again through the printing plate. This method results in limited convenience of use and low printing efficiency for the circuit board. Utility Model Content

[0005] In order to solve the above problems, the utility model proposes a double-sided FPC circuit board printing device to more accurately solve the problem that when the above technical solution is used, although it can reduce the waiting time that the user needs to wait for a single print, it can only print a single circuit board at a time, and can only print on a single side of the circuit board at a time, resulting in that after printing on one side, the user needs to manually flip the circuit board and print the circuit board again through the printing plate. This method results in limited convenience of use and low printing processing efficiency for the circuit board.

[0006] The utility model is realized by the following technical solutions:

[0007] The utility model proposes a double-sided FPC circuit board printing device, comprising a base, the outer side of the base is fixedly connected to two outer plates, the top of the outer plate is fixedly connected to two brackets distributed at equal intervals, the top of the bracket is fixedly connected to a cylinder, the output shaft of the cylinder passes through the bracket and is fixedly connected to a fixed plate, the bottom of the fixed plate is fixedly connected to two mounting frames, the inner side of the mounting frame is rotatably connected to a printing roller, a moving mechanism is arranged on the top of the base, the moving mechanism consists of a fixing component for fixing the circuit board and a conveying component for moving the circuit board, and a flipping mechanism for flipping the circuit board is also arranged on the top of the base.

[0008] Furthermore, there are two cylinders and two fixed plates, and the two cylinders are fixedly connected to the tops of the two brackets respectively, and the output shafts of the two cylinders pass through the two brackets and are fixedly connected to the two fixed plates respectively. The specifications and sizes of the two brackets, the cylinders and the fixed plates are the same. There are two groups of mounting frames and each group has two mounting frames. The two groups of mounting frames are fixedly connected to the bottoms of the two fixed plates respectively, and the inner sides of the two groups of mounting frames are rotatably connected with printing rollers. The specifications and sizes of the two groups of printing rollers are the same, so that the user can fix and convey the circuit board through the fixing component and the conveying component. When the circuit board moves to the bottom of the printing roller, the user can drive the fixing plate, the mounting frame and the printing roller to move through the cylinder, and then print on one side of the circuit board through the printing roller, and then flip the circuit board through the flipping mechanism, and print on the other side of the circuit board through another group of printing rollers, so that printing on both sides of the circuit board can be achieved, and multiple circuit boards can be printed at one time, thereby improving printing efficiency.

[0009] Furthermore, the moving component includes two grooves and an inner hole opened on the inner side of the base, the inner side of the groove is fixedly connected to a limit rod, the outer side of the limit rod is slidably connected to a slider, the outer side of the slider is fixedly connected to a first support plate, the inner side of the first support plate is rotatably connected to a fixed frame, the end of the fixed frame away from the first support plate is rotatably connected to the outer side of the second support plate and is fixedly connected to a moving block, the external thread of the moving block is connected to a screw, and the outer end of the screw is fixedly connected to a motor.

[0010] Furthermore, there are two limit rods, sliders, first support plates, fixed frames and second support plates. The two limit rods are fixedly connected to the inner sides of the two grooves, and the two sliders are slidably connected to the two limit rods, the two sliders are distributed on the inner sides of the two grooves, the two first support plates are fixedly connected to the two sliders, the two second support plates are fixedly connected to the moving block, and the two second support plates are distributed on both sides of the moving block, the two ends of the two fixed frames are fixedly connected with the first rotating shaft and the second rotating shaft, one end of the two fixed frames is rotatably connected to the two first support plates through the two first rotating shafts, and the other end of the two fixed frames is rotatably connected to the two second support plates through the two second rotating shafts, the thickness of the two fixed frames is the same as that of the circuit board, one end of the screw is rotatably connected to the inner side of the inner hole through the bearing seat, and the other end of the screw passes through the inner hole and is fixedly connected to the motor, and the motor is fixedly connected to the outer side of the base.

[0011] Furthermore, the fixing component includes an inner groove opened on the inner side of the fixing frame, the inner side of the inner groove is fixedly connected with a spring, the end of the spring away from the inner groove is fixedly connected with a slide plate, the outer side of the slide plate is fixedly connected with a sliding rod, and the outer end of the sliding rod is fixedly connected with a card plate. The user can pull the two card plates on the two fixing frames, the movement of the card plates drives the movement of the sliding rod, the movement of the sliding rod drives the movement of the skateboard, and the movement of the skateboard will squeeze the spring. When the card plate moves to the position specified by the user, the user can place the circuit board to be printed between the card plate and the fixing frame, and then release the card plate. At this time, the card plate will fix the circuit board with the cooperation of the spring and the fixing frame, thereby achieving the effect of fixing the two circuit boards, thereby facilitating the subsequent printing of the circuit boards, and can also fix circuit boards of different sizes, thereby increasing the scope of application while further improving the convenience of use.

[0012] Furthermore, there are two groups of inner grooves and each group has two inner grooves. The two groups of inner grooves are respectively opened on the inner sides of the two fixed frames, and the specifications and dimensions of the two groups of inner grooves are the same. The slide plates are distributed on the inner sides of the inner grooves. The end of the slide bar away from the slide bar passes through the inner groove and is fixedly connected to the card plate. The slide bar is distributed on the inner side of the spring. The thickness of the card plate is the same as that of the fixed frame, and the length and width of the card plate are the same as those of the fixed frame.

[0013] Furthermore, the flipping mechanism includes a support plate fixedly connected to the outside of the first support plate and two toothed plates fixedly connected to the top of the base, the top of the support plate is rotatably connected to a worm, the outside of the worm is meshed with a worm wheel, and the top of the worm is fixedly connected to a gear. The user can fix the two circuit boards through the fixing assembly, and then the user can start the motor, the motor drives the screw to rotate, the screw rotation drives the moving block to move in the inner hole, the movement of the moving block drives the second support plate, the fixed frame and the first support plate to move through the slider and the limit rod. Since the circuit board is fixed on the fixed frame at this time, the movement of the fixed frame will drive the circuit board to move. When the circuit board moves to the bottom of the printing roller, the user can use the cylinder, the fixed plate, the mounting frame and the printing roller to brush one side of the circuit board on the fixed frame, and then the fixed frame will The worm gear is driven to continue to move, and when the gear on the top of the worm moves to the position of the toothed plate, the gear will be driven to rotate by the toothed plate, and the rotation of the gear drives the worm gear to rotate, and the rotation of the worm gear drives the worm wheel to rotate, and the rotation of the worm wheel drives the fixed frame to rotate. At this time, the fixed frame is flipped, and the circuit board on the fixed frame will also be flipped. Then the fixed frame continues to move, and when the fixed frame moves to the bottom of another bracket, the user can print on the other side of the circuit board through another set of printing rollers, thereby realizing double-sided printing of the circuit board, so as to realize printing on multiple circuit boards at one time, and printing on both sides of multiple circuit boards at one time, thereby greatly improving the printing efficiency, and the worm gear can ensure that the fixed frame will not rotate or shake after flipping, further improving the printing efficiency.

[0014] Furthermore, there are two support plates, which are respectively fixedly connected to the outer sides of the two fixed frames, the tops of the two support plates are rotatably connected to worms, the outer sides of the two worms are meshed with worm wheels, the outer sides of the two worm wheels are fixedly connected to connecting rods, the two connecting rods pass through the two fixed frames and are fixedly connected to the first rotating shafts on the two fixed frames, the two worm wheels are respectively fixedly connected to the two first rotating shafts through the two connecting rods, the tops of the two worms are fixedly connected to gears, the positions of the two gears correspond to the two tooth plates, and the specifications of the two gears are adapted to the two tooth plates.

[0015] Beneficial effects of the utility model:

[0016] The utility model is provided with a base, a bracket, a cylinder, a fixing plate, a printing roller, a fixing assembly, a conveying assembly and a flipping mechanism. When in use, a user can fix two circuit boards to be printed by the fixing assembly, and then move the circuit boards by the conveying assembly. When the circuit boards move to the bottom of a group of printing rollers, the user can drive the printing rollers to move by the cylinders, so as to print on one side of the two circuit boards. Then, when the fixing frame moves to the position of the tooth plate, the flipping mechanism can flip the fixing frame, so as to flip the circuit boards, and then the circuit boards can be printed by another group of printing rollers, so that a plurality of circuit boards can be printed at one time, and the circuit boards can be automatically flipped, so as to complete the effect of printing on both sides of the circuit boards, thereby greatly improving the convenience of use and the printing processing efficiency of the circuit boards. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the first perspective of the present utility model;

[0018] Figure 2 It is a schematic diagram of the second viewing angle of the present utility model;

[0019] Figure 3 It is a partial top-sectional schematic diagram of the utility model;

[0020] Figure 4 It is a partial side sectional schematic diagram of the utility model;

[0021] Figure 5 for Figure 1 A schematic diagram of the structure enlargement in the middle;

[0022] Figure 6 for Figure 3 Enlarged schematic diagram of the structure at point B in the middle.

[0023] The reference numerals are as follows:

[0024] In the figure: 1. base; 2. outer plate; 3. bracket; 4. cylinder; 5. fixed plate; 6. mounting frame; 7. printing roller; 11. groove; 12. inner hole; 13. limit rod; 14. slider; 15. first support plate; 16. fixed frame; 17. moving block; 18. screw; 19. motor; 110. second support plate; 111. inner groove; 112. spring; 113. slide plate; 114. slide rod; 115. card plate; 21. support plate; 22. tooth plate; 23. worm; 24. worm wheel; 25. gear. DETAILED DESCRIPTION

[0025] In order to more clearly and completely illustrate the technical solution of the present invention, the present invention is further described below in conjunction with the accompanying drawings.

[0026] Embodiment 1

[0027] Please refer to Figure 1 , Figure 2 and Figure 4 The utility model proposes a double-sided FPC circuit board printing device, including a base 1, the outer side of the base 1 is fixedly connected to two outer plates 2, the top of the outer plate 2 is fixedly connected to two equally spaced brackets 3, the top of the bracket 3 is fixedly connected to a cylinder 4, the output shaft of the cylinder 4 passes through the bracket 3 and is fixedly connected to a fixed plate 5, the bottom of the fixed plate 5 is fixedly connected to two mounting frames 6, the inner side of the mounting frame 6 is rotatably connected to a printing roller 7, a moving mechanism is arranged on the top of the base 1, the moving mechanism is composed of a fixing component for fixing the circuit board and a conveying component for moving the circuit board, a flipping mechanism for flipping the circuit board is also arranged on the top of the base 1, there are two cylinders 4 and two fixed plates 5, the two cylinders 4 are respectively fixedly connected to the tops of the two brackets 3, and the output shafts of the two cylinders 4 pass through the two brackets 3 and the two fixed plates respectively. 5 are fixedly connected, the specifications and sizes of the two brackets 3, the cylinder 4 and the fixed plate 5 are the same, there are two groups of mounting frames 6 and each group has two, the two groups of mounting frames 6 are respectively fixedly connected to the bottom of the two fixed plates 5, and the inner sides of the two groups of mounting frames 6 are rotatably connected with printing rollers 7, and the specifications and sizes of the two groups of printing rollers 7 are the same, so that the user can fix and convey the circuit board through the fixing component and the conveying component. When the circuit board moves to the bottom of the printing roller 7, the user can drive the fixing plate 5, the mounting frame 6 and the printing roller 7 to move through the cylinder 4, and then the single side of the circuit board can be printed through the printing roller 7, and then the circuit board can be turned over by the turning mechanism, and the other side of the circuit board can be printed by another group of printing rollers 7, so that the double-sided printing of the circuit board can be realized, and multiple circuit boards can be printed at one time, thereby improving the printing efficiency.

[0028] Please refer to Figure 3 and Figure 6 The fixing component includes an inner groove 111 opened on the inner side of the fixing frame 16, a spring 112 is fixedly connected to the inner side of the inner groove 111, a slide plate 113 is fixedly connected to one end of the spring 112 away from the inner groove 111, a slide bar 114 is fixedly connected to the outer side of the slide plate 113, a card plate 115 is fixedly connected to the outer end of the slide bar 114, the inner groove 111 is divided into two groups and each group has two, the two groups of inner grooves 111 are respectively opened on the inner sides of the two fixing frames 16, and the specifications and sizes of the two groups of inner grooves 111 are the same, the slide plate 113 is distributed on the inner side of the inner groove 111, one end of the slide bar 114 away from the slide bar 113 passes through the inner groove 111 and is fixedly connected to the card plate 115, the slide bar 114 is distributed on the inner side of the spring 112, the thickness of the card plate 115 is the same as that of the fixing frame 16, and the length and width of the card plate 115 are the same as those of the fixing frame 16.

[0029] Through the above technical solution, when in use, the user can pull the two card plates 115 on the two fixing frames 16, the movement of the card plates 115 drives the sliding rod 114 to move, the movement of the sliding rod 114 drives the sliding plate 113 to move, the movement of the sliding plate 113 will squeeze the spring 112, when the card plates 115 move to the position specified by the user, the user can place the circuit board to be printed between the card plates 115 and the fixing frames 16, and then release the card plates 115, at this time the card plates 115 will fix the circuit board with the cooperation of the springs 112 and the fixing frames 16, thereby achieving the effect of fixing the two circuit boards, so as to facilitate the subsequent printing of the circuit boards, and can also fix circuit boards of different sizes, thereby improving the scope of application while further improving the convenience of use.

[0030] Embodiment 2

[0031] Please refer to Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5The utility model proposes a double-sided FPC circuit board printing device, including a base 1, the outer side of the base 1 is fixedly connected to two outer plates 2, the top of the outer plate 2 is fixedly connected to two equally spaced brackets 3, the top of the bracket 3 is fixedly connected to a cylinder 4, the output shaft of the cylinder 4 passes through the bracket 3 and is fixedly connected to a fixed plate 5, the bottom of the fixed plate 5 is fixedly connected to two mounting frames 6, the inner side of the mounting frame 6 is rotatably connected to a printing roller 7, a moving mechanism is arranged on the top of the base 1, the moving mechanism is composed of a fixing component for fixing the circuit board and a conveying component for moving the circuit board, and a flipping mechanism for flipping the circuit board is also arranged on the top of the base 1, the moving component includes two grooves 11 and an inner hole 1 opened on the inner side of the base 1 2, the inner side of the groove 11 is fixedly connected to a limit rod 13, the outer side of the limit rod 13 is slidably connected to a slider 14, the outer side of the slider 14 is fixedly connected to a first support plate 15, the inner side of the first support plate 15 is rotatably connected to a fixing frame 16, the end of the fixing frame 16 away from the first support plate 15 is rotatably connected to the outer side of the second support plate 110 and is fixedly connected to a moving block 17, the outer thread of the moving block 17 is connected to a screw 18, the outer end of the screw 18 is fixedly connected to a motor 19, the limit rod 13, the slider 14, the first support plate 15, the fixing frame 16 and the second support plate 110 are each two, the two limit rods 13 are respectively fixedly connected to the inner sides of the two grooves 11, and the two sliders 14 are respectively slidably connected to the two limit rods 13, and the two sliders 14 are respectively distributed on the two On the inner side of each groove 11, two first support plates 15 are fixedly connected to the two sliders 14, two second support plates 110 are fixedly connected to the moving block 17, and the two second support plates 110 are respectively distributed on both sides of the moving block 17, two ends of the two fixing frames 16 are respectively fixedly connected with the first rotating shaft and the second rotating shaft, one end of the two fixing frames 16 is rotatably connected to the two first support plates 15 through the two first rotating shafts, and the other ends of the two fixing frames 16 are rotatably connected to the two second support plates 110 through the two second rotating shafts, the thickness of the two fixing frames 16 is the same as that of the circuit board, one end of the screw 18 is rotatably connected to the inner side of the inner hole 12 through the bearing seat, and the other end of the screw 18 passes through the inner hole 12 and is fixedly connected to the motor 19, and the motor 19 is fixedly connected Connected to the outside of the base 1, the flip mechanism includes a support plate 21 fixedly connected to the outside of the first support plate 15 and two toothed plates 22 fixedly connected to the top of the base 1, the top of the support plate 21 is rotatably connected to a worm 23, the outside of the worm 23 is meshed with a worm wheel 24, the top of the worm 23 is fixedly connected to a gear 25, there are two support plates 21, the two support plates 21 are respectively fixedly connected to the outside of the two fixed frames 16, the tops of the two support plates 21 are both rotatably connected to the worm 23, the outsides of the two worm 23 are meshed with worm wheels 24, the outsides of the two worm wheels 24 are fixedly connected to connecting rods, the two connecting rods respectively pass through the two fixed frames 16 and are fixedly connected to the first rotating shafts on the two fixed frames 16, and the two worm wheels 24 are respectively fixedly connected to the two first rotating shafts through two connecting rods.The tops of the two worms 23 are fixedly connected with gears 25 , the positions of the two gears 25 correspond to the two toothed plates 22 , and the specifications of the two gears 25 are adapted to the two toothed plates 22 .

[0032] According to the above technical solution, when in use, the user can fix the two circuit boards through the fixing assembly, and then the user can start the motor 19, the motor 19 drives the screw 18 to rotate, the screw 18 rotates and drives the moving block 17 to move in the inner hole 12, the moving block 17 moves and drives the second support plate 110, the fixing frame 16 and the first support plate 15 to move through the slider 14 and the limit rod 13, because the circuit board is fixed on the fixing frame 16 at this time, the movement of the fixing frame 16 will drive the circuit board to move, when the circuit board moves to the bottom of the printing roller 7, the user can use the cylinder 4, the fixing plate 5, the mounting frame 6 and the printing roller 7 to roll brush one side of the circuit board on the fixing frame 16, and then the fixing frame 16 will be driven to continue to move, when the gear 25 at the top of the worm 23 moves to the position of the toothed plate 22 , the gear 25 will be driven by the toothed plate 22 to rotate, the rotation of the gear 25 drives the worm 23 to rotate, the rotation of the worm 23 drives the worm wheel 24 to rotate, the rotation of the worm wheel 24 will drive the fixed frame 16 to rotate, then the fixed frame 16 is flipped, and the circuit board on the fixed frame 16 will also be flipped, and then the fixed frame 16 continues to move, when the fixed frame 16 moves to the bottom of another bracket 3, the user can print the other side of the circuit board through another set of printing rollers 7, so as to realize double-sided printing of the circuit board, so as to realize printing of multiple circuit boards at one time, and printing of both sides of multiple circuit boards at one time, thereby greatly improving the printing efficiency, and the worm 23 can ensure that the fixed frame 16 will not rotate or shake after flipping, further improving the printing efficiency.

[0033] It should be noted that the printing roller 7 in the present application has the same function as the printing board in the comparative document CN202121868182.6, an efficient FPC circuit board printing device, and both are used to print the circuit board. Since the comparative document has explained it, the present application will not elaborate on it.

[0034] Of course, the present utility model may have many other implementations. Based on the present implementation, other implementations obtained by ordinary technicians in this field without any creative work are all within the scope of protection of the present utility model.

Claims

1. A double-sided FPC circuit board printing device, comprising a base, the outer side of the base is fixedly connected to two outer plates, the top of the outer plate is fixedly connected to two equally spaced brackets, the top of the bracket is fixedly connected to a cylinder, the output shaft of the cylinder passes through the bracket and is fixedly connected to a fixed plate, the bottom of the fixed plate is fixedly connected to two mounting frames, the inner side of the mounting frame is rotatably connected to a printing roller, characterized in that: A moving mechanism is arranged on the top of the base, and the moving mechanism is composed of a fixing component for fixing the circuit board and a conveying component for moving the circuit board. A flipping mechanism for flipping the circuit board is also arranged on the top of the base.

2. The double-sided FPC circuit board printing device according to claim 1, characterized in that: There are two cylinders and two fixed plates (5), the two cylinders are respectively fixedly connected to the tops of the two brackets, and the output shafts of the two cylinders pass through the two brackets and are fixedly connected to the two fixed plates, the specifications and sizes of the two brackets, the cylinders and the fixed plates are the same, there are two groups of mounting frames and each group has two, the two groups of mounting frames are respectively fixedly connected to the bottoms of the two fixed plates, and the inner sides of the two groups of mounting frames are rotatably connected with printing rollers, and the specifications and sizes of the two groups of printing rollers are the same.

3. The double-sided FPC circuit board printing device according to claim 1, characterized in that: The moving assembly includes two grooves and an inner hole opened on the inner side of the base, the inner side of the groove is fixedly connected to a limit rod, the outer side of the limit rod is slidably connected to a slider, the outer side of the slider is fixedly connected to a first support plate, the inner side of the first support plate is rotatably connected to a fixed frame, the end of the fixed frame away from the first support plate is rotatably connected to the outer side of the second support plate and is fixedly connected to a moving block, the external thread of the moving block is connected to a screw, and the outer end of the screw is fixedly connected to a motor.

4. The double-sided FPC circuit board printing device according to claim 3, characterized in that: The limit rod, the slider (14), the first support plate, the fixed frame and the second support plate all have two, the two limit rods are fixedly connected to the inner sides of the two grooves, and the two sliders are slidably connected to the two limit rods, the two sliders are distributed on the inner sides of the two grooves, the two first support plates are fixedly connected to the two sliders, the two second support plates are fixedly connected to the moving block, and the two second support plates are distributed on both sides of the moving block, the two ends of the two fixed frames are fixedly connected to the first rotating shaft and the second rotating shaft, one end of the two fixed frames is rotatably connected to the two first support plates through the two first rotating shafts, and the other end of the two fixed frames is rotatably connected to the two second support plates through the two second rotating shafts, the thickness of the two fixed frames is the same as that of the circuit board, one end of the screw is rotatably connected to the inner side of the inner hole through the bearing seat, and the other end of the screw passes through the inner hole and is fixedly connected to the motor, and the motor is fixedly connected to the outer side of the base.

5. The double-sided FPC circuit board printing device according to claim 3, characterized in that: The fixing assembly includes an inner groove opened on the inner side of the fixing frame, a spring is fixedly connected to the inner side of the inner groove, a slide plate is fixedly connected to one end of the spring away from the inner groove, a slide rod is fixedly connected to the outer side of the slide plate, and a clamping plate is fixedly connected to the outer end of the slide rod.

6. The double-sided FPC circuit board printing device according to claim 5, characterized in that: The inner grooves are divided into two groups, each group having two, the two groups of inner grooves are respectively opened on the inner sides of the two fixed frames, and the specifications and sizes of the two groups of inner grooves are the same, the slide plate is distributed on the inner side of the inner groove, the end of the slide bar away from the slide bar passes through the inner groove and is fixedly connected to the card plate, the slide bar is distributed on the inner side of the spring, the thickness of the card plate is the same as that of the fixed frame, and the length and width of the card plate are the same as those of the fixed frame.

7. The double-sided FPC circuit board printing device according to claim 3, characterized in that: The flip mechanism includes a support plate fixedly connected to the outside of the first support plate and two tooth plates fixedly connected to the top of the base, the top of the support plate is rotatably connected to a worm, the outside of the worm is meshed with a worm wheel, and the top of the worm is fixedly connected to a gear.

8. The double-sided FPC circuit board printing device according to claim 7, characterized in that: There are two support plates, and the two support plates are respectively fixedly connected to the outer sides of the two fixed frames, the tops of the two support plates are rotatably connected with worms, the outer sides of the two worms are meshed with worm wheels, the outer sides of the two worm wheels are fixedly connected with connecting rods, the two connecting rods pass through the two fixed frames and are fixedly connected to the first rotating shafts on the two fixed frames, the two worm wheels are respectively fixedly connected to the two first rotating shafts through two connecting rods, the tops of the two worms are fixedly connected with gears, the positions of the two gears correspond to the two tooth plates, and the specifications of the two gears are adapted to the two tooth plates.

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