Circuit board lead cutting device

Abstract

The utility model discloses a circuit board lead cutting device which comprises two symmetrical adjusting mechanisms 1, and the adjusting mechanisms can drive a clamping mechanism and a cutting mechanism to synchronously carry out position or / and angle adjustment in the X-axis direction and the Z-axis direction. The clamping and fixing mechanism attracts, clamps and sorts circuit board leads through two openable and closable clamping finger frames, and the positions of the clamping finger frames can be adjusted in the Y-axis direction. The cutting mechanism cuts the circuit board lead into a specified length through a cutter, and the position of the cutter can be adjusted in the Y-axis direction. The Y-axis position adjustment of the cutting knife and the clamping finger frame is not interfered with each other; according to the utility model, through the special design (such as the groove part, the fillet part and the air exhaust hole group) on the clamp finger frame, the lead of the circuit board can be accurately fixed and carded, and the lead is ensured to be kept in a stable state in a cutting process. The accuracy and the stability are crucial for avoiding cutting errors and improving the product quality.

Description

Technical Field

[0001] The utility model relates to the technical field of circuit board processing, in particular to a circuit board lead cutting device. Background Art

[0002] In the electronics manufacturing industry, PCBA (Printed Circuit Board Assembly) is an assembled board that is completed after the entire process of mounting or plug-in. In this process, electronic components are accurately placed on the pads of the PCBA circuit board through automatic placement equipment. Subsequently, the leads of the electronic components are firmly soldered to the pads of the PCBA circuit board through processes such as reflow soldering or wave soldering. However, after soldering, the leads of some electronic components installed by the plug-in process may be too long, which not only affects the appearance, but may also affect the normal operation of electronic products. Therefore, special cutting equipment is needed to trim these overlong leads.

[0003] Chinese utility model patent CN202210303953.X discloses a fully automatic cutting device for PCBA circuit board leads; this device controls the movement of the cross slide to accurately position and drive the installation sleeve to slide in the plane to ensure that the opening of the installation sleeve can align with the leads that need to be cut on the PCBA circuit board. Subsequently, through the operation of the electric push rod, the installation sleeve will rise, allowing the leads to extend into its inner cavity through the opening, facilitating subsequent clamping and cutting operations. However, it has the following technical problems that need to be solved urgently:

[0004] 1) The lead state is uncontrollable: When the lead is placed in the inner cavity of the mounting sleeve, it is difficult to ensure that the lead is in a straight state. If the lead is not straight, the cutter may not be able to cut effectively at one time, which will affect the efficiency and quality of cutting.

[0005] 2) Inefficiency and inability to adapt to different length cutting requirements: The traditional cutting method mainly cuts the leads one by one, which is very inefficient when dealing with a large number of leads. Although it is possible to try to design the mounting sleeve and its inner cavity as a multi-layer structure to accommodate multiple leads, in actual operation, due to the movement of the cross slide, multiple leads may enter a mounting sleeve at the same time; and if these multiple leads to be cut have different length requirements, this traditional cutting method is powerless. Because once multiple leads enter a mounting sleeve at the same time, they cannot be cut to their personalized lengths.

[0006] To this end, the utility model provides a circuit board lead cutting device. Utility Model Content

[0007] In view of this, the embodiment of the utility model hopes to provide a circuit board lead cutting device to solve or alleviate the technical problems existing in the prior art, namely, the lead state is uncontrollable, the efficiency is low, and it is impossible to adapt to the cutting requirements of different lengths, and at least provide a beneficial option for this; the technical solution of the embodiment of the utility model is implemented as follows:

[0008] A circuit board lead cutting device includes two symmetrical adjustment mechanisms 1, which can drive a clamping mechanism 2 and a cutting mechanism 3 to synchronously adjust the position or / and angle in the X-axis and Z-axis directions. The clamping mechanism 2 attracts, clamps and combs the circuit board leads through two openable and closable clamp finger frames 203, and the clamp finger frames 203 can be adjusted in position along the Y-axis direction. The cutting mechanism 3 cuts the circuit board leads into a specified length through a cutting knife 303, and the cutting knife 303 can be adjusted in position along the Y-axis direction. The Y-axis position adjustment of the cutting knife 303 and the clamp finger frame 203 does not interfere with each other.

[0009] In one embodiment, the clamping mechanism 2 has a unique design, which includes a first pneumatic clamp 202. The characteristic of this pneumatic clamp is that its two clamp jaws symmetrically fix two clamp finger frames 203. Such a design enables the clamp finger frames 203 to realize the opening and closing function under the drive of the first pneumatic clamp 202. It is worth noting that the first pneumatic clamp 202 does not directly play a clamping role in this technical solution, but acts as a driving element, which is specifically responsible for driving the opening and closing action of the clamp finger frame 203. This design makes the clamping mechanism more flexible and efficient, and can adapt to different working environments and needs.

[0010] In one embodiment, the clamping mechanism 2 is equipped with an air pump 204, which enhances the functionality and flexibility of the clamping mechanism. A group of air pump holes is specially provided on the surface of the clamp finger frame 203, and a built-in air circuit is provided inside the clamp finger frame 203. These air pump holes and the built-in air circuit are interconnected. The air pump 204 is connected to the built-in air circuit of the clamp finger frame 203 through a hose.

[0011] In one embodiment, the finger frame 203 includes a first air extraction hole 2032 and a second air extraction hole 2033. This double air extraction hole design increases the adsorption capacity and stability. More than half of the surface area of ​​the finger frame 203 is uniformly provided with grooves 2031 adapted to the circuit board leads in the form of an array. These grooves 2031 are designed to better accommodate and fix the circuit board leads. A first air extraction hole 2032 is provided at each groove 2031. This design enables each groove to generate a strong adsorption force, ensuring that the circuit board leads are tightly fixed in the groove and will not move due to external forces. At the same time, a second air extraction hole 2033 is provided below half of the surface of the finger frame 203 and at a position corresponding to the first air extraction hole 2032. This double air extraction hole design not only increases the adsorption area, but also improves the uniformity and stability of the adsorption force. When the air pump is working, the first air extraction hole and the second air extraction hole simultaneously generate adsorption force to ensure the stability of the circuit board leads on the finger frame.

[0012] The air extraction hole group includes a first air extraction hole 2032 and a second air extraction hole 2033;

[0013] More than half of the surface of the clamp finger frame 203 is uniformly provided with grooves 2031 adapted to the leads of the circuit board in the form of an array, and the first air extraction holes 2032 are provided in the grooves 2031;

[0014] The second air extraction hole 2033 is formed at a position below half of the surface of the finger frame 203 and corresponding to the first air extraction hole 2032 .

[0015] In one embodiment, the head of the clamp finger frame 203, the area below half of the surface, and the corresponding area between the two grooves 2031 are respectively provided with a first fillet 2034, a second fillet 2035, and a third fillet 2036. The design of these fillets plays an important role in clamping and combing the leads of the circuit board. First, the first fillet 2034 is located at the head of the clamp finger frame 203. When the clamp finger frame 203 moves closely against the upper surface of the circuit board, the first fillet 2034 plays a guiding role, so that the leads can smoothly enter the clamping position of the two clamp finger frames 203. Then, when the clamp finger frame 203 is executed from the open and closed state to the closed state, the leads are temporarily clamped, and when there are multiple leads clamped at one point, the adjustment mechanism 1 will be fine-tuned. In this process, if there is a lead with sufficient length that will not be separated from its current groove 2031 due to the limitation of the spot welding position, the lead with excess length will move under the action of the traction force. At this time, the second fillet 2035 and the third fillet 2036 come into play. The surface at the upper part of the lead will slide with the second fillet 2035, and the surface at the lower part of the lead will slide with the third fillet 2036. The cooperation of these two sliding functions allows the lead to be combed into other nearby grooves 2031 that can adapt to its length without leaving the clamp finger frame 203.

[0016] In one embodiment, the clamping mechanism 2 includes a third linear actuator 201 arranged along the Y axis, and the third linear actuator 201 drives the first pneumatic clamp 202 to move along the Y axis. The third linear actuator 201 can be a third cylinder, and the piston rod of the third cylinder is fixedly connected to the surface of the first pneumatic clamp 202.

[0017] In one embodiment, the cutting mechanism 3 includes a fourth linear actuator 301 and a second pneumatic clamp 302. Two cutting blades 303 are symmetrically fixed on the two jaws of the second pneumatic clamp 302. This design makes the cutting operation more stable and accurate, because the cutting blades 303 are firmly fixed on the pneumatic clamp, which can ensure the stability and strength of the cutting.

[0018] In one embodiment, the adjustment mechanism 1 is designed to have multi-dimensional adjustment capabilities to adapt to different cutting requirements and cope with various practical operation situations. The adjustment mechanism 1 includes a frame 101, a first linear actuator 102 arranged in the X-axis direction, a gear rack assembly 104 driven by the first linear actuator 102, a rotating table 103 driven by the gear rack assembly 104, and a second linear actuator 105 arranged on the rotating table 103 and arranged along the Z-axis direction.

[0019] The cleverness of this design lies in its multi-dimensional adjustment function. The first linear actuator 102, as the first cylinder, drives the gear rack assembly 104 to enable the rotating table 103 to adjust the angle along the X-axis. This design not only improves the flexibility of the cutting mechanism 3 and the clamping mechanism 2, but also enables them to better adapt to circuit boards of different shapes and sizes.

[0020] The second linear actuator 105 is responsible for driving the third linear actuator 201 and the fourth linear actuator 301 to adjust the feed along the Z-axis direction (i.e., the long side of the circuit board). This design enables the cutting mechanism and the clamping mechanism to move vertically precisely when necessary to better position and fix the circuit board leads.

[0021] It is worth mentioning that the clamp finger frame 203 of the clamping mechanism 2 has a unique design, especially the third rounded corner portion 2036. When the clamp finger frame 203 is executed from the open state to the closed state to clamp the lead, if some leads are not straightened or different leads have different cutting length restrictions, the lead can be attached to the third rounded corner portion 2036 through the X-axis angle adjustment function. Due to its arc-shaped feature, the excess length of the lead can be adapted to make the lead straightened, thereby facilitating cutting by the cutting knife 303.

[0022] Compared with the prior art, the beneficial effects of the utility model are:

[0023] 1. Accuracy and stability: The utility model can accurately fix and comb the circuit board leads through the special design of the clamp finger frame (such as the groove part, the rounded corner part and the exhaust hole group, etc.), ensuring that the leads remain stable during the cutting process. This accuracy and stability are crucial to avoid cutting errors and improve product quality.

[0024] 2. Self-adaptation of lead length: The design of the groove and rounded corners on the pliers finger frame of the utility model also takes into account the different lengths of leads. These designs allow the leads to be stably fixed and combed at different positions, thereby meeting the needs of cutting different lengths.

[0025] 3. Flexibility and adaptability: The multi-dimensional adjustment capability (X-axis angle adjustment and Z-axis feed adjustment) of the adjustment mechanism of the utility model enables the technology to flexibly adapt to circuit board leads of different lengths, angles and cutting requirements. This flexibility and adaptability greatly enhances the versatility and practicality of the technology.

[0026] 4. High efficiency: Through the control of the linear actuator and the pneumatic clamp, the cutting mechanism and the clamping mechanism can be quickly and accurately moved to the designated position for cutting operations, which greatly improves work efficiency. At the same time, it reduces manual intervention, operation difficulty and labor costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or technical descriptions will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0028] Figure 1 It is a three-dimensional schematic diagram of the utility model;

[0029] Figure 2 It is a three-dimensional schematic diagram of the adjustment mechanism of the utility model;

[0030] Figure 3 It is a three-dimensional schematic diagram of the clamping mechanism of the utility model;

[0031] Figure 4 It is a detailed three-dimensional schematic diagram of the clamp fixing mechanism and the clamp finger frame of the utility model;

[0032] Figure 5 It is a three-dimensional schematic diagram of the cutting mechanism of the utility model.

[0033] Figure numerals: 1. Adjustment mechanism; 101. Frame; 102. First linear actuator; 103. Rotating table; 104. Rack and pinion assembly; 105. Second linear actuator; 2. Clamping mechanism; 201. Third linear actuator; 202. First pneumatic clamp; 203. Clamp finger frame; 2031. Groove portion; 2032. First air extraction hole; 2033. Second air extraction hole; 2034. First rounded corner portion; 2035. Second rounded corner portion; 2036. Third rounded corner portion; 204. Air pump; 3. Cutting mechanism; 301. Fourth linear actuator; 302. Second pneumatic clamp; 303. Cutting knife; 4. Electric clamp. DETAILED DESCRIPTION

[0034] In order to make the above-mentioned purposes, features and advantages of the utility model more understandable, the specific implementation methods of the utility model are described in detail below in conjunction with the accompanying drawings. In the following description, many specific details are set forth to facilitate a full understanding of the utility model. However, the utility model can be implemented in many other ways different from those described herein, and those skilled in the art can make similar improvements without violating the connotation of the utility model. Therefore, the utility model is not limited to the specific embodiments disclosed below;

[0035] In the present invention, all axial descriptions such as the X-axis, the Y-axis, the Z-axis, one end of the X-axis, the other end of the Y-axis or the other end of the Z-axis, etc., are based on the Cartesian coordinate system.

[0036] Example:

[0037] In the prior art, it is difficult to ensure that the leads are in a straight state. If the leads are not straight, they cannot be effectively cut at one time. At the same time, the traditional cutting method mainly cuts the leads one by one, which is very inefficient when processing a large number of leads.

[0038] To do this, see Figure 1-5 , this specific embodiment will provide relevant technical solutions to solve the above technical problems: a circuit board lead cutting device, including two symmetrical adjustment mechanisms 1, the adjustment mechanism 1 can drive the clamping mechanism 2 and the cutting mechanism 3 to synchronously adjust the position or / and angle in the X-axis direction and the Z-axis direction;

[0039] The clamping mechanism 2 attracts, clamps and combs the circuit board leads through two openable clamp finger frames 203, and the clamp finger frames 203 can be adjusted in position along the Y axis;

[0040] The cutting mechanism 3 cuts the circuit board leads into a specified length through the cutting blade 303, and the cutting blade 303 can be adjusted in position along the Y-axis direction;

[0041] The Y-axis position adjustment of the cutting knife 303 and the clamp finger frame 203 does not interfere with each other.

[0042] In this solution, all electrical components of the device as a whole rely on AC power for energy supply; specifically, the electrical components of the device as a whole are conventionally electrically connected to the AC power output port through devices such as relays, transformers and button panels to meet the energy supply requirements of all electrical components of the device.

[0043] Specifically, a controller is also provided on the outside of the device, which is used to connect and control all electrical components of the device as a whole to be driven according to a pre-set program as a preset value and a driving mode; it should be pointed out that the above-mentioned driving mode corresponds to the corresponding start and stop time intervals, speed, power and other output parameters between the relevant electrical components mentioned below, that is, it meets the requirements of the relevant electrical components described below to drive the relevant mechanical devices to operate according to the functions described therein.

[0044] Specifically, all pneumatic components of the device as a whole rely on external compressed gas cylinders and their air pumps for energy supply; specifically, the pneumatic components of the device as a whole are connected to the air pump output port of the compressed gas cylinder through devices such as solenoid valves, reversing valves and pipe bodies in a conventional pneumatic connection;

[0045] Preferably, the driving synchronization of the above-mentioned pneumatic elements is controlled by a controller.

[0046] Specifically: during execution, the middle part of the two symmetrical adjustment mechanisms 1 clamps the circuit board to be cut through an electric clamping claw 4. At this time, the leads on the circuit board are hanging on the circuit board; and because of the influence of the metal medium in the leads, there is an arc-shaped gap between the leads and the circuit board. The circuit board is divided into several areas to be cut along the long side; for each area, based on the adjustment of the adjustment mechanism 1, the clamp finger frame 203 first clings to the upper surface of the circuit board, and moves from one short side of the circuit board to the other short side. Due to the existence of the above-mentioned arc-shaped gap, the working position of the clamp finger frame 203 is reserved; at this time, the clamp finger frame 203 attracts the circuit board leads to the surface of the clamp finger frame 203, and then the clamp finger frame 203 is executed from the open state to the closed state to temporarily clamp the leads. At this time, there may be a situation where multiple leads are clamped at one point, so based on the adjustment of the adjustment mechanism 1, a step length is slightly moved along the long side of the circuit board. At this time, the leads spot-welded at different positions on the circuit board will be affected by the traction, and will naturally separate from each other on the clamp finger frame 203 and will not be separated from the circuit board; then, the clamp finger frame 203 is adjusted upward along the Y axis to straighten the leads; then, the cutting knife 303 is adjusted along the Y axis according to the length requirement of the lead cutting, and the leads in the area are cut at one time. Then, the above steps are repeated for other areas of the circuit board until all the leads on the circuit board are cut.

[0047] If there are different cutting length restrictions for different leads in the area, the leads can be adjusted to corresponding heights based on the Y-axis adjustment of the clamping mechanism 2 and the cutting mechanism 3, and cut in batches in the area.

[0048] In the above technical solution: the device realizes precise control of the clamping mechanism 2 and the cutting mechanism 3 through two symmetrical adjustment mechanisms 1. When performing the cutting operation, the circuit board whose leads need to be cut is firstly firmly clamped by the electric clamp 4. Subsequently, the clamp finger frame 203, driven by the adjustment mechanism 1, moves closely against the upper surface of the circuit board, and uses the arc-shaped gap between the leads and the circuit board to attract and clamp the leads on the clamp finger frame 203. If multiple leads are clamped at the same position, the adjustment mechanism 1 will move slightly, so that the leads are naturally separated on the clamp finger frame 203 and remain connected to the circuit board. Next, the clamp finger frame 203 is adjusted upward along the Y-axis to straighten the leads in preparation for cutting. Finally, according to the length requirement of the lead cutting, the cutting knife 303 is adjusted along the Y-axis to cut the leads in the area at one time.

[0049] Specifically: the clamping mechanism 2 and the cutting mechanism 3 are precisely controlled by the adjustment mechanism 1. The clamp finger frame 203 can easily attract and clamp the lead by using the arc gap between the lead and the circuit board. By fine-tuning the adjustment mechanism 1, the lead can be precisely separated and straightened to ensure the accuracy and consistency of cutting. At the same time, the independent Y-axis adjustment function of the cutting blade 303 enables the device to adapt to the cutting requirements of different lengths, thereby improving the flexibility and versatility of the device.

[0050] It can be understood that in the above scheme: the circuit board lead cutting device, especially the clamp finger frame 203 and the cutting knife 303, has multiple functional advantages. First, it can efficiently and accurately cut multiple leads at one time, which significantly improves production efficiency. Secondly, the design of the clamp finger frame 203 and the cutting knife 303 in the device makes the device have good flexibility and versatility, and can adapt to leads of different lengths and cutting requirements. In addition, through precise mechanical control and physical principles, especially the fine operation of the clamp finger frame 203, the device ensures the accuracy and consistency of cutting, thereby improving product quality. Finally, the design of the device makes the Y-axis position adjustment of the cutting knife 303 and the clamp finger frame 203 not interfere with each other, further improving the flexibility and efficiency of cutting.

[0051] In some specific embodiments of this application, please refer to Figure 3~4 The clamping mechanism 2 includes a first pneumatic clamping jaw 202, and two clamping jaws of the first pneumatic clamping jaw 202 are symmetrically fixed with two clamp finger frames 203; the first pneumatic clamping jaw 202 realizes the opening and closing of the clamp finger frames 203. That is, the first pneumatic clamping jaw 202 does not play a clamping role in this technical solution, but is only a driving element that drives the clamp finger frames 203 to realize the opening and closing function.

[0052] In the above technical solution: when it is necessary to clamp the lead of the circuit board, the first pneumatic clamp 202 will receive a control signal and then drive the clamp finger frame 203 to open. Subsequently, the clamp finger frame 203 will move to an appropriate position under the drive of the adjustment mechanism 1 and place the circuit board lead therebetween. Then, the first pneumatic clamp 202 moves again to drive the clamp finger frame 203 to close, thereby completing the clamping of the lead. The whole process is fast and accurate, greatly improving production efficiency.

[0053] Specifically: the first pneumatic clamp 202 generates a driving force through air pressure changes, so that the clamp finger frame 203 can achieve an opening and closing action. This design is not only simple in structure and high in reliability, but also fast in response speed, and can meet the needs of efficient production.

[0054] It can be understood that in the above scheme: by introducing the first pneumatic clamping jaw 202 as a driving element, the clamping mechanism 2 realizes a fast and accurate clamping function. At the same time, since the opening and closing action of the clamp finger frame 203 is completely controlled by the pneumatic clamping jaw, the operation is more convenient and efficient. In addition, the design also improves the flexibility and adaptability of the device, so that it can meet the requirements of clamping circuit board leads of different specifications and shapes.

[0055] In some specific embodiments of this application, please refer to Figure 3~4 : The clamp fixing mechanism 2 includes an air pump 204, a suction hole group is opened on the surface of the clamp finger frame 203, a built-in air path is opened in the clamp finger frame 203, and the suction hole group is connected to the built-in air path;

[0056] The air suction port of the air suction pump 204 is connected to the built-in air circuit through a hose;

[0057] When the vacuum pump 204 is pumping air, the clamp finger frame 203 attracts the leads of the circuit board based on the vacuum hole group.

[0058] In the above technical solution: in actual operation, when the vacuum pump 204 starts to pump air, it will generate negative pressure in the built-in air path of the clamp finger frame 203. This negative pressure acts on the circuit board leads through the vacuum hole group on the surface of the clamp finger frame, thereby achieving attraction. This attraction helps to more accurately locate and fix the leads, providing convenience for subsequent cutting operations.

[0059] Specifically: The design utilizes the principle of negative pressure adsorption. When the vacuum pump 204 is working, it creates a low-pressure area in the built-in air path of the clamp finger frame 203. Due to the effect of the external atmospheric pressure, the circuit board leads will be tightly adsorbed on the surface of the clamp finger frame 203, thereby achieving the fixation of the leads.

[0060] It can be understood that in the above scheme: by introducing the vacuum pump 204 and the specially designed clamp finger frame 203, the clamping mechanism 2 not only achieves accurate attraction and fixation of the circuit board leads, but also improves the accuracy and efficiency of the cutting operation. In addition, this design also enhances the adaptability and flexibility of the device, enabling it to handle circuit board leads of different shapes and sizes. The controllability of the vacuum pump 204 also makes the operation more convenient and safer.

[0061] In some specific embodiments of this application, please refer to Figure 3~4 The clamp finger frame 203 includes a first air extraction hole 2032 and a second air extraction hole 2033. This double air extraction hole design increases the adsorption capacity and stability. More than half of the surface area of ​​the clamp finger frame 203 is uniformly provided with grooves 2031 adapted to the leads of the circuit board in the form of an array. These grooves 2031 are designed to better accommodate and fix the leads of the circuit board.

[0062] At the same time, the groove portions 2031 are evenly opened in an array form, which can adapt to circuit board leads of various specifications and shapes, provide multi-point contact and support, and thus increase stability and reliability during adsorption.

[0063] A first air extraction hole 2032 is provided at each groove portion 2031. This design enables each groove portion to generate a strong adsorption force, ensuring that the circuit board leads are tightly fixed in the groove and will not move due to external forces. At the same time, a second air extraction hole 2033 is provided below half of the surface of the clamp finger frame 203 and at a position corresponding to the first air extraction hole 2032. This double air extraction hole design not only increases the adsorption area, but also improves the uniformity and stability of the adsorption force. When the vacuum pump is working, the first air extraction hole and the second air extraction hole simultaneously generate adsorption force to ensure the stability of the circuit board leads on the clamp finger frame.

[0064] In some specific embodiments of this application, please refer to Figure 4 The head of the clamp finger frame 203, the area below half of the surface and the corresponding area between the two grooves 2031 are respectively provided with a first fillet 2034, a second fillet 2035 and a third fillet 2036. The design of these fillets plays an important role in clamping and combing the leads of the circuit board. First, the first fillet 2034 is located at the head of the clamp finger frame 203. When the clamp finger frame 203 moves closely against the upper surface of the circuit board, the first fillet 2034 plays a guiding role, so that the leads can smoothly enter the clamping position of the two clamp finger frames 203. Then, when the clamp finger frame 203 is executed from the open and closed state to the closed state, the leads are temporarily clamped, and when there are multiple leads clamped at one point, the adjustment mechanism 1 will be fine-tuned. In this process, if there is a lead with sufficient length that will not be separated from its current groove 2031 due to the limitation of the spot welding position, the lead with excess length will move under the action of the traction force. At this time, the second fillet 2035 and the third fillet 2036 come into play. The surface at the upper part of the lead will slide with the second fillet 2035, and the surface at the lower part of the lead will slide with the third fillet 2036. The cooperation of these two sliding functions allows the lead to be combed into other nearby grooves 2031 that can adapt to its length without leaving the clamp finger frame 203.

[0065] In some specific embodiments of this application, please refer to Figure 3~4:The clamping mechanism 2 is equipped with a third linear actuator 201 arranged along the Y-axis. This actuator plays a key role in the clamping mechanism, and is responsible for driving the first pneumatic clamp 202 to move along the Y-axis. More specifically, the third linear actuator 201 can be selected as a third cylinder, which is a common linear drive device that can provide stable and precise thrust. In this design, the piston rod of the third cylinder is fixedly connected to the surface of the first pneumatic clamp 202, which means that when the piston rod of the cylinder is extended or retracted, the first pneumatic clamp 202 will also move along the Y-axis. This design makes the clamping mechanism 2 more flexible and precise. Through the precise control of the third linear actuator 201, the first pneumatic clamp 202 (and the clamp finger frame 203 thereon) can be accurately moved to the required position on the Y-axis to achieve precise clamping of the circuit board leads. This precise control is crucial for subsequent cutting operations because it ensures that the leads can be accurately positioned and fixed, thereby improving the accuracy and quality of cutting.

[0066] In some specific embodiments of this application, please refer to Figure 1 , 2 5: The cutting mechanism 3 includes a fourth linear actuator 301 and a second pneumatic clamp 302. Two cutting blades 303 are symmetrically fixed on the two jaws of the second pneumatic clamp 302. This design makes the cutting operation more stable and precise, because the cutting blades 303 are firmly fixed on the pneumatic clamp, which can ensure the stability and strength of the cutting.

[0067] The fourth linear actuator 301 is responsible for driving the second pneumatic gripper 302 (and the cutting blade 303 thereon) to move along the Y axis. This mobility enables the cutting mechanism 3 to be accurately positioned at a specific position on the circuit board for cutting operations as required. Accurate positioning and control are essential to avoid cutting errors and improve product quality.

[0068] In addition, the fourth linear actuator 301 can be selected as a fourth cylinder, which is a common linear drive device that can provide stable and controllable thrust or pull. In this design, the piston rod of the fourth cylinder is fixedly connected to the surface of the second pneumatic clamp 302. When the piston rod of the cylinder is extended or retracted, it drives the second pneumatic clamp 302 (and the cutting blade 303 thereon) to move precisely along the Y-axis.

[0069] In summary, the design of the cutting mechanism 3 provides an accurate, stable and efficient cutting function, and is particularly suitable for cutting circuit board leads. The quality and efficiency of cutting can be greatly improved through the precise control of the fourth linear actuator 301, the stable clamping of the second pneumatic clamp 302, and the precise cutting of the cutting blade 303.

[0070] In some specific embodiments of this application, please refer to Figure 1 , 2 And 5: The adjustment mechanism 1 is designed to have multi-dimensional adjustment capabilities to adapt to different cutting requirements and cope with various practical operation situations. The adjustment mechanism 1 includes a frame 101, a first linear actuator 102 arranged in the X-axis direction, a gear rack assembly 104 driven by the first linear actuator 102, a rotating table 103 driven by the gear rack assembly 104, and a second linear actuator 105 arranged on the rotating table 103 and arranged along the Z-axis direction.

[0071] The cleverness of this design lies in its multi-dimensional adjustment function. The first linear actuator 102, as the first cylinder, drives the gear rack assembly 104 to enable the rotating table 103 to adjust the angle along the X-axis. This design not only improves the flexibility of the cutting mechanism 3 and the clamping mechanism 2, but also enables them to better adapt to circuit boards of different shapes and sizes.

[0072] The second linear actuator 105 is responsible for driving the third linear actuator 201 and the fourth linear actuator 301 to adjust the feed along the Z-axis direction (i.e., the long side of the circuit board). This design enables the cutting mechanism and the clamping mechanism to move vertically precisely when necessary to better position and fix the circuit board leads.

[0073] It should be noted that the third fillet 2036 of the clamp finger frame 203 has a further special function. When the clamp finger frame 203 is changed from the open state to the closed state to clamp the lead, if some leads are not straightened or different leads have different cutting length restrictions, the lead can be attached to the third fillet 2036 through the X-axis angle adjustment function. Due to its arc-shaped feature, the excess length of the lead can be adapted to make the lead straightened, thereby facilitating cutting by the cutting knife 303.

[0074] In summary, in view of the related problems in the conventional technology, this specific embodiment is based on the circuit board lead cutting device provided above, and adopts the following technical means or features to achieve the solution:

[0075] (1) Precise control of lead state: The design of the clamp finger frame 203 in the clamping mechanism 2, especially the groove portion 2031 and the exhaust hole group thereon, can accurately and stably fix the circuit board lead. This design ensures that the position and state of the lead during the cutting process are controllable.

[0076] The synergistic effect of the first rounded corner portion 2034, the second rounded corner portion 2035 and the third rounded corner portion 2036 on the clamp finger frame 203 further enhances the control of the lead state. These rounded corner portions not only guide the lead into the correct position, but also maintain the stability and straightness of the lead during the movement.

[0077] (2) Adapting to cutting requirements of different lengths: Through the multi-dimensional adjustment in the adjustment mechanism 1 (including X-axis angle adjustment and Z-axis feed adjustment), it can flexibly adapt to cutting requirements of different lengths and angles. This adjustment capability is particularly important when the lead lengths are different or there are special cutting length restrictions. The design of the groove portion 2031 and the rounded corner portion on the clamp finger frame 203 also takes into account leads of different lengths. These designs allow the leads to be stably fixed and combed at different positions, thereby meeting the cutting requirements of different lengths.

[0078] The above-mentioned embodiments only express the implementation methods of the relevant practical applications of the utility model, and the descriptions thereof are relatively specific and detailed, but they cannot be understood as limiting the scope of the utility model patent. It should be pointed out that for ordinary technicians in this field, several modifications and improvements can be made without departing from the concept of the utility model, and these all belong to the protection scope of the utility model. Therefore, the protection scope of the utility model patent shall be based on the attached claims.

Claims

1. A circuit board lead cutting device, characterized in that: It comprises an adjustment mechanism (1), wherein the adjustment mechanism (1) can drive a clamping mechanism (2) and a cutting mechanism (3) to synchronously adjust the position and / or angle in the X-axis direction and the Z-axis direction; The clamping mechanism (2) attracts, clamps and combs the leads of the circuit board through an openable clamp finger frame (203), and the position of the clamp finger frame (203) can be adjusted along the Y-axis direction; The cutting mechanism (3) cuts the circuit board leads into a specified length through a cutting knife (303), and the cutting knife (303) can be adjusted in position along the Y-axis direction; The Y-axis position adjustment of the cutting knife (303) and the clamp finger frame (203) does not interfere with each other.

2. The circuit board lead cutting device according to claim 1, characterized in that: The clamping mechanism (2) comprises a first pneumatic clamping jaw (202), wherein two clamping jaws of the first pneumatic clamping jaw (202) are symmetrically fixed with two clamp finger frames (203); the first pneumatic clamping jaw (202) realizes the opening and closing of the clamp finger frames (203).

3. The circuit board lead cutting device according to claim 2, characterized in that: The clamping mechanism (2) comprises an air pump (204); an air extraction hole group is provided on the surface of the clamp finger frame (203); a built-in air path is provided in the clamp finger frame (203); and the air extraction hole group is in communication with the built-in air path; The air extraction port of the air extraction pump (204) is in communication with the built-in air path; When the vacuum pump (204) is pumping air, the forceps finger frame (203) realizes the suction based on the vacuum hole group.

4. The circuit board lead cutting device according to claim 3, characterized in that: The air extraction hole group comprises a first air extraction hole (2032) and a second air extraction hole (2033); More than half of the surface of the clamp finger frame (203) is evenly provided with groove portions (2031) adapted to the leads of the circuit board in the form of an array, and the first air extraction holes (2032) are provided in the groove portions (2031); The second air extraction hole (2033) is provided at a position below half of the surface of the forceps finger frame (203) and corresponding to the first air extraction hole (2032).

5. The circuit board lead cutting device according to claim 4, characterized in that: The head of the pliers finger frame (203), the area below half of the surface and the corresponding area between two of the grooves (2031) are respectively provided with a first rounded corner portion (2034), a second rounded corner portion (2035) and a third rounded corner portion (2036); The first rounded corner portion (2034), the second rounded corner portion (2035) and the third rounded corner portion (2036) cooperate to contact the circuit board leads to achieve the combing.

6. The circuit board lead cutting device according to claim 2, characterized in that: The clamping mechanism (2) comprises a third linear actuator (201) arranged along the Y-axis direction, and the third linear actuator (201) drives the first pneumatic clamping jaw (202) to move along the Y-axis direction.

7. The circuit board lead cutting device according to claim 6, characterized in that: The cutting mechanism (3) comprises a fourth linear actuator (301) and a second pneumatic clamp (302), two jaws of the second pneumatic clamp (302) being symmetrically fixed with two cutting blades (303), and the fourth linear actuator (301) drives the second pneumatic clamp (302) to move along the Y-axis direction.

8. The circuit board lead cutting device according to claim 7, characterized in that: The adjustment mechanism (1) comprises a frame (101), a first linear actuator (102) arranged in the X-axis direction, a rack and pinion assembly (104) driven by the first linear actuator (102), a rotating table (103) driven by the rack and pinion assembly (104), and a second linear actuator (105) arranged on the rotating table (103) and along the Z-axis direction; The second linear actuator (105) drives the third linear actuator (201) and the fourth linear actuator (301).

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