A portable semi-automatic 2M cable end processing device

Abstract

The application belongs to the technical field of cable processing equipment, and particularly relates to a portable semi-automatic 2M cable end processing device, which comprises a work station platform and a first wire stripping execution mechanism, a second wire stripping execution mechanism, a crimping execution mechanism, a soldering execution mechanism and an online detection device arranged on the work station platform. The first wire stripping execution mechanism and the second wire stripping execution mechanism both comprise an adjustable force wire stripping cutter group, the adjustable force wire stripping cutter group comprises a blade and an elastic element, the elastic element of the first wire stripping execution mechanism has a first elastic coefficient, the elastic element of the second wire stripping execution mechanism has a second elastic coefficient, the second elastic coefficient is greater than the first elastic coefficient, so that the two wire stripping execution mechanisms respectively exert different radial pressures on the cable, and the grading stripping of the different layer structures of the cable is realized. The grading wire stripping scheme with multiple works integrated on the same platform and different elastic coefficients is adopted, the end processing precision and consistency are improved, and the continuous processing of the cable end is realized.

Description

Technical Field

[0001] This invention relates to the field of cable processing equipment technology, specifically to a portable semi-automatic 2M cable end processing device. Background Technology

[0002] Currently, 2M cable termination is typically completed manually or using separate equipment. Specifically, the operator must use wire stripping tools, crimping tools, and welding equipment to complete each step in sequence. This process is not only cumbersome but also highly dependent on the operator's experience, which can easily lead to inconsistent processing quality.

[0003] Patent CN121790874A discloses a simple manufacturing device and method for 2M connectors of coaxial cables, integrating stripping, crimping, and welding functions. Through single-clamping and positioning control, it solves the problems of scattered manual processes, cumbersome operation, and reliance on experience, improving processing efficiency and consistency. However, this patent lacks online quality inspection, uses a single spring pressure in the stripping mechanism, cannot achieve graded stripping of multi-layer cables, easily damages conductors or results in incomplete stripping, and is only compatible with a single cable specification, exhibiting poor versatility.

[0004] In practical applications, existing technologies mainly have the following problems: First, existing stripping methods lack effective pressure control and precise positioning for multi-layer cable structures, making it difficult to perform graded stripping according to the characteristics of different layers of materials. This can easily lead to problems such as inconsistent stripping lengths, excessive cutting depth, and damage to internal conductors. At the same time, they have poor adaptability to cables of different specifications.

[0005] Secondly, the existing cable end processing process usually requires transfer between multiple independent equipment such as stripping, crimping and welding. The lack of continuity between the processes and the disjointed processing flow result in low overall production efficiency and large human error.

[0006] Third, existing equipment generally lacks online detection capabilities for welding quality, making it impossible to detect defects such as short circuits or incomplete welds in a timely manner. At the same time, the overall structure of the equipment is relatively fixed and the size is large, making it difficult to adapt to the application needs of on-site maintenance and small-batch rapid processing.

[0007] Therefore, there is an urgent need for a cable end processing device that is compact in structure, modular in linkage, and semi-automatic throughout the entire process. Summary of the Invention

[0008] The purpose of this invention is to overcome the shortcomings and deficiencies of the existing technology and to provide a portable semi-automatic 2M cable end processing device. The device integrates stripping, crimping, welding and online detection functions on the same workstation platform, and adopts a graded stripping scheme with differentiated elastic coefficients, which improves the accuracy and consistency of end processing and realizes continuous processing of cable ends.

[0009] To achieve the above objectives, the technical solution adopted by the present invention is as follows: A portable semi-automatic 2M cable end-processing device, comprising: Workstation platform; The first wire stripping actuator, the second wire stripping actuator, the crimping actuator, the soldering actuator, and the online detection device are all mounted on the workstation platform; The first wire stripping actuator is used to strip the cable insulation layer, the second wire stripping actuator is used to strip the cable shielding layer, the crimping actuator is used to crimp the 2M end, the soldering actuator is used to solder the end, and the online detection device is used to perform continuity detection on the 2M joint after soldering. Both the first and second stripping actuators include adjustable force stripping knife sets, each comprising blades and elastic elements. The elastic element of the first stripping actuator has a first elastic coefficient, while the elastic element of the second stripping actuator has a second elastic coefficient, which is greater than the first elastic coefficient. This allows the first and second stripping actuators to apply different radial pressures to the cable, achieving graded stripping of different layers of the cable. By using a dual stripping mechanism with different first and second elastic coefficients, the two stripping actuators apply different radial pressures to the cable, achieving graded stripping of the cable insulation and shielding layers. The outer insulation layer uses an elastic element with a smaller elastic coefficient to apply gentle pressure, avoiding crushing the shielding layer; the inner shielding and insulation layers use elastic elements with a larger elastic coefficient to apply sufficient shear force, ensuring that the rigid dielectric is effectively cut without damaging the internal conductor. By integrating five functional modules—stripping, crimping, welding, and online inspection—on a single workstation platform, the entire cable end-processing process is completed sequentially at each workstation, eliminating the need for transfer and repositioning between different devices. This significantly improves processing efficiency and reduces human error. The online inspection device immediately performs continuity testing on the 2M connector after welding, promptly detecting defects such as short circuits or poor soldering, preventing defective products from entering subsequent stages and improving product quality control. With all actuators integrated into the same workstation platform, the overall size is compact, making it easy to carry for on-site repairs and small-batch rapid processing scenarios.

[0010] In some embodiments, the first wire stripping actuator, the second wire stripping actuator, the crimping actuator, the soldering actuator, and the online inspection device are respectively installed at different positions on the workstation platform. The first wire stripping actuator and the second wire stripping actuator are located on one side of the workstation platform, the crimping actuator is located below the first wire stripping actuator and the second wire stripping actuator, the soldering actuator is located in the middle of the workstation platform, and the online inspection device is located on the lower part of the other side of the workstation platform. By arranging the five actuators spatially according to the process sequence of wire stripping-crimping-soldering-inspection, the operator can pass through each workstation sequentially along the shortest path while holding the cable, reducing the operator's hand movement distance and operation time, which conforms to the principles of ergonomics. Placing the crimping actuator below the wire stripping actuator utilizes vertical space to further reduce the horizontal footprint of the device, enhancing portability. The spatially partitioned arrangement of each actuator avoids interference between adjacent workstations during operation and facilitates independent maintenance and repair of each module.

[0011] In some embodiments, both the first and second stripping actuators further include: a rotary drive unit for providing rotational power around the cable axis; a coupling connecting the rotary drive unit and the adjustable force stripping knife assembly; a cable rotation guide mechanism for guiding the cable into the stripping station; and an adjustable cable stop block disposed on the axial feed path of the cable for controlling the axial stripping length of the cable; the adjustable force stripping knife assembly further includes a fixing member and two blade fixing members, one end of the fixing member being drively connected to the coupling connecting member, and the cable rotation guide mechanism being fixedly connected to the other end of the fixing member; the two blade fixing members are symmetrically and rotatably disposed on the cable rotation guide mechanism; the two blades are respectively fixedly mounted on the two blade fixing members, and a stripping cavity is formed between the two blades; the two elastic elements are respectively... The adjustable cable stripper is positioned between the cable rotation guide mechanism and the two blade holders. One end of each elastic element abuts against the limiting groove of the blade holder, and the other end abuts against the positioning groove of the cable rotation guide mechanism. The elastic element is always in a compressed state, applying a thrust towards the cable direction to the blade, causing the blade to radially press against the outer surface of the cable under the elastic force of the elastic element. The adjustable cable stop is slidably mounted on the holder, which is equipped with a locking screw. Loosening the locking screw allows the position of the adjustable cable stop to be adjusted along the slide rail, and locking it in place at the set position to control the axial stripping length of the cable. The rotation drive unit drives the adjustable stripper assembly to rotate around the cable axis through the coupling connector, and the blade, under the action of the elastic element, radially presses against the outer surface of the cable to perform circumferential stripping. A rotary drive unit rotates an adjustable force wire stripper assembly around the cable axis, achieving a 360° circumferential cut on the cable insulation or shielding layer. Compared to manual rotary stripping or single-sided cutting, the cut is smoother and more even, avoiding burrs or skewing. After completely circumferentially cutting the target layer, the adjustable cable stop axially positions the cable end face. When the operator pulls the cable outward, the cut insulation or shielding layer is blocked by the blade end face, cleanly separating the waste material from the cable and avoiding secondary cleaning operations. By setting the position of the adjustable cable stop on the axial feed path, the distance between the blade circumferential cutting position and the cable end face is precisely controlled, ensuring consistent stripping length for each cable and improving processing consistency.

[0012] In some embodiments, the blade has an end face that blocks the cut insulation layer when the cable is axially pulled out, thereby achieving axial peeling of the insulation or shielding layer. The blade end face also functions as a "material stop" after circumferential cutting, allowing the operator to complete waste separation with a single outward pulling motion, eliminating the need for additional tools or secondary operations and improving work efficiency. As a blocking surface, the blade end face neatly pulls the cut insulation or shielding layer off the cable, avoiding uneven peeling interfaces or damage to the remaining portion caused by manual tearing. The axial peeling function is achieved using the blade's own structural features without adding extra parts, resulting in a simple structure and low cost.

[0013] In some embodiments, the cable rotation guide mechanism is equipped with replaceable guide bushings, which can be replaced with guide bushings of different inner diameters to adapt to cables of different outer diameters. For 2M coaxial cables with different outer diameters, only the guide bushing with the corresponding inner diameter needs to be replaced to ensure that the cable axis is highly aligned with the rotation axis of the adjustable force stripper assembly, avoiding eccentric cutting problems caused by changes in the cable's outer diameter. The guide bushing provides radial positioning and guidance for the cable, ensuring that the cable remains in the center of the blade assembly during circumferential cutting, improving cutting accuracy and consistency. The guide bushing's replaceable design allows operators to quickly replace it without special tools, adapting to the needs of multi-variety, small-batch production.

[0014] In some embodiments, the crimping actuator includes: a linear drive unit; a helical transmission pair connected to the output end of the linear drive unit; two lever-type crimping actuators symmetrically distributed and synchronously driven by the helical transmission pair; and a modular crimping interface detachably disposed at the output ends of the two lever-type crimping actuators; the modular crimping interface includes an upper die and a lower die, the upper die being fixed to the output end of one of the lever-type crimping actuators, and the lower die being fixed to the output end of the other lever-type crimping actuator; the linear drive unit drives the helical transmission pair to move along the screw axis, the helical transmission pair pushes the two lever-type crimping actuators to convert the axial driving force into a radial crimping force, the upper die and the lower die respectively move radially with the output ends of their respective lever-type crimping actuators, and the upper die and the lower die cooperate to achieve crimping and fixing of the 2M end. Through a two-stage force-amplifying structure consisting of a helical drive pair and a lever-type crimping actuator, the rotational torque output from the linear drive unit is first converted into axial thrust, and then, through the lever principle, into amplified radial crimping force. This allows even a small motor to output sufficient crimping tonnage, facilitating the portability of the device. The precise lead of the helical drive pair ensures smooth axial movement, while the smooth force transmission of the lever-type crimping actuator ensures that pressure is evenly applied around the end sleeve during crimping, avoiding localized deformation or insufficient crimping force. The constant driving force provided by the linear drive unit eliminates force fluctuations inherent in manual crimping, ensuring consistent crimping quality across batches of products.

[0015] In some embodiments, the modular crimping interface is a slot-type quick-change module, configured to quickly replace the corresponding crimping die core according to the size of different specifications of 2M end caps. The slot-type quick-change design allows the operator to complete the replacement of the crimping die core within seconds, adapting to the crimping requirements of different 2M end cap models without replacing the entire equipment or crimping mechanism. The same crimping actuator can adapt to multiple end cap specifications by changing different die cores, eliminating the need to purchase separate crimping equipment for each end cap specification, thus reducing production and maintenance costs. The slot-type quick-change structure has high repeatability; after each replacement, the mating position of the die core and the lever actuator is consistent, ensuring the accuracy of the crimping position.

[0016] In some embodiments, the soldering actuator includes: a solder feeding module for quantitatively feeding solder wire; a lifting drive unit and a synchronous transmission belt, which together drive the movement in the Z-axis direction; a solder head vertical displacement mechanism, integrating a guide rail and a connecting seat, which moves along the Z-axis direction under the drive of the lifting drive unit and the synchronous transmission belt; a constant-temperature heating solder head, fixed on the solder head vertical displacement mechanism; and a three-dimensional adjustable clamp for clamping and positioning the cable end to be soldered; the solder head vertical displacement mechanism drives the constant-temperature heating solder head to complete the three-stage soldering action of pressing down, soldering, and retraction in sequence. By quantitatively feeding solder through the solder feeding module, driving the Z-axis movement through the lifting drive unit and the synchronous transmission belt, and performing soldering with the constant-temperature heating solder head, the entire process of "pressing down-soldering-retraction" is automatically completed, eliminating the technical differences caused by human error in manual soldering. The constant-temperature heating solder head ensures a constant soldering temperature, and the solder feeding module ensures a consistent amount of solder each time. The coordinated operation of the two ensures uniform solder joint size, sufficient melting, and no risk of short circuits caused by poor soldering or excessive solder. The synchronous drive belt drives the Z-axis movement, which has the advantages of zero backlash and fast response compared to gear transmission, ensuring the consistency of the welding head's position each time it is pressed down, and improving welding repeatability. The three-dimensional adjustable fixture can make fine adjustments to the cable end in the X, Y, and Z directions, ensuring that the center of the 2M connector is precisely aligned with the constant temperature heating welding head, and avoiding welding misalignment.

[0017] In some embodiments, the online testing device includes: a pair of coaxial testing electrodes disposed at the testing station; each coaxial testing electrode includes a central insertion hole inside a tee connector and an outer metal housing of the tee connector; the central insertion hole is used to make tight contact with the center pin of the inserted 2M end; and the outer metal housing is used to conduct electricity with the metal outer shell of the 2M end; and a testing circuit integrating a low-voltage DC power supply, a current detection unit, and an audible and visual alarm; the central insertion hole and the outer metal housing are electrically connected to the testing circuit. When the 2M end is inserted into the tee connector, the central insertion hole contacts the central conductor of the 2M end, and the outer metal housing contacts the outer shell of the 2M end. If the soldering is good, the circuit is open; if the central conductor is short-circuited with the outer shell, the circuit is connected and the audible and visual alarm is triggered. The online testing device performs real-time continuity testing on each soldered 2M end, allowing for immediate separation of qualified and unqualified products at the testing station. Testing can be completed without the need for external instruments, preventing unqualified products from flowing into subsequent stages or being delivered to customers, significantly improving the product qualification rate. The device employs a three-way connector-type coaxial detection electrode—the center socket is coaxially aligned with the outer metal housing. A single insertion simultaneously establishes electrical connections between the center conductor and the outer shell, eliminating the need for secondary positioning or insertion / removal. This simplifies operation and makes it particularly suitable for batch processing scenarios. Utilizing the inherent insulation between the 2M connector's center conductor and the shell, a binary judgment logic of "open circuit equals pass, continuity equals alarm" is used for detection. This eliminates the need for complex signal processing, ensuring a unique and unambiguous detection result with extremely high reliability. A dual alarm system—a buzzer and a flashing red LED—simultaneously alerts the operator through both auditory and visual channels. This allows the operator to receive the results without constantly monitoring the detection station, facilitating multi-station operations.

[0018] In some embodiments, a serial port display is also included. This display is fixedly mounted on the top of the workstation platform and electrically connected to the control units of each actuator. It is used to display working status information and receive touch input commands from the operator. By installing a serial port display on the top of the workstation platform, the control, status display, and parameter setting functions of each actuator are centralized into a single touch interface. This allows the operator to control the entire machine in a more intuitive, efficient, and precise manner. Simultaneously, centralized status monitoring improves the visibility and maintainability of the equipment operation.

[0019] The beneficial effects of this invention are: First, by configuring elastic elements with different elastic coefficients in the first and second stripping actuators, with the second elastic coefficient being greater than the first, the two stripping actuators apply different radial pressures to the cable, achieving graded stripping of the cable insulation and shielding layers. Experimental data shows that, compared to the single-spring scheme, the graded spring scheme reduces the average deviation of the outer insulation stripping length from ±0.38mm to ±0.12mm, improving stripping accuracy by 68.4%; the average deviation of the inner insulation stripping length from ±0.47mm to ±0.16mm, improving stripping accuracy by 66.0%; the shielding layer damage rate from 10.3% to 0.33%, a reduction of 96.8%; and the inner conductor damage rate from 9.0% to 0.67%, a reduction of 92.6%, effectively solving the technical contradiction that a single elastic force cannot simultaneously adapt to the characteristics of two insulation materials.

[0020] Secondly, by integrating five functional modules—stripping, crimping, welding, and online inspection—on the same workstation platform, the cable can complete all processes of stripping, crimping, welding, and inspection sequentially between workstations. This eliminates the need for transfer and repositioning between different devices, thus removing the cumbersome operation and human error caused by the dispersed processes and significantly improving processing efficiency.

[0021] Third, two symmetrically distributed lever-type crimping actuators are used to synchronously drive the upper and lower dies to move radially towards each other, and to apply bidirectional pressure to the end, so that the crimping force is more evenly distributed in the circumferential direction of the end, avoiding end deformation or weak crimping caused by local stress concentration, and improving the consistency of crimping quality.

[0022] Fourth, an online testing device performs real-time continuity testing on each welded end. The central socket makes tight contact with the pin at the center of the end, and the outer metal shell is conductive with the metal outer shell of the end. A single insertion completes the two-way electrical connection simultaneously. The testing uses a binary judgment logic of "open circuit equals pass, continuity equals alarm," achieving 100% online full inspection without the need for external instruments, effectively preventing defective products from entering subsequent stages.

[0023] Fifth, the device is small in size and compact in structure, using an industrial aluminum profile frame structure, making it easy for a single person to carry to the field. Meanwhile, it features adjustable cable stops for precise control of the stripping length, replaceable guide bushings to adapt to cables of different outer diameters, and modular crimping interfaces for quick replacement of different crimping die cores, achieving multi-purpose functionality and strong versatility. Attached Figure Description

[0024] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, obtaining other drawings based on these drawings without creative effort still falls within the scope of the present invention.

[0025] Figure 1 This is a perspective view of an embodiment of the present invention; Figure 2 This is the internal structure of an embodiment of the present invention; Figure 3 This is a perspective view of the first wire stripping mechanism according to an embodiment of the present invention; Figure 4 This is a cross-sectional view of the first wire stripping mechanism according to an embodiment of the present invention; Figure 5 for Figure 4 Enlarged view of section A in the middle; Figure 6 This is a perspective view of the pressing actuator according to an embodiment of the present invention; Figure 7 This is a perspective view of the soldering actuator according to an embodiment of the present invention; Figure 8 This is an assembly diagram of the coaxial detection electrode and the 2M terminal in an embodiment of the present invention; Figure 9 This is a perspective view of the coaxial detection electrode according to an embodiment of the present invention.

[0026] Explanation of the labels in the diagram: 1-First wire stripping actuator; 2-Second wire stripping actuator; 3-Crimping actuator; 4-Serial port screen; 5-Soldering actuator; 6-Online detection device; 61-Coaxial detection electrode; 62-Center socket; 63-External metal housing; 64-2M end cap; 641-Center pin; 65-Detection circuit module; 7-Rotary drive unit; 8-Coupling connector; 9-Adjustable cable stop; 10-Cable rotation guide mechanism; 101-Guide bushing; 11-Cut head fixing component; 12- Spring; 13-Adjustable force wire stripper assembly; 130-Fixing component; 131-Locking screw; 14-Blade; 141-End face; 15-Linear drive unit; 16-Screw drive pair; 17-Lever crimping actuator; 18-Modular crimping interface; 181-Upper die; 182-Lower die; 19-Precision lead screw; 20-Solder feeding module; 21-Warming head vertical displacement mechanism; 22-Three-dimensional adjustable clamp; 23-Lifting drive unit; 24-Synchronous transmission belt; 25-Constant temperature heating welding head. Detailed Implementation

[0027] To make the technical problems to be solved, the technical solutions, and the beneficial effects of the present invention clearer, the present invention will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.

[0028] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention pertains; the terminology used herein is for the purpose of describing particular embodiments only and is not intended to limit the invention. The terms “comprising” and “having”, and any variations thereof, in the specification, claims, and foregoing description of the drawings, are intended to cover non-exclusive inclusion.

[0029] The directional and positional terms used in this invention, such as up, down, front, back, left, right, inside, outside, top, bottom, side, etc., are merely for reference to the accompanying drawings. Therefore, the directional and positional terms used are for illustrating and understanding this invention, and not for limiting the scope of protection of this invention.

[0030] The present invention will now be further described in conjunction with the accompanying drawings and specific embodiments: like Figure 1 and Figure 2 As shown in the figure, an embodiment of the present invention provides a portable semi-automatic 2M cable termination processing device, including a workstation platform and a first wire stripping actuator 1, a second wire stripping actuator 2, a crimping actuator 3, a serial port screen 4, a soldering actuator 5, and an online detection device 6, all fixedly installed on the workstation platform. The workstation platform serves as the mounting base for the device and adopts an industrial aluminum profile frame structure, specifically including a base frame, columns, an upper mounting frame, and several connecting parts. The base frame is a rectangular frame structure, placed horizontally on a workbench or the ground; four columns are vertically fixed to the four corners of the base frame, and their upper ends are fixedly connected to the upper mounting frame, together forming a rigid three-dimensional frame. Each actuator is installed at a different position on the frame by means of a sliding groove or bolts.

[0031] The serial port display 4 is fixedly installed on the top front side of the workstation platform and is electrically connected to a controller (such as a programmable logic controller or microcontroller control board) located inside the workstation platform via a communication cable (such as an RS-232 serial communication cable or a USB communication cable). Each actuator is electrically connected to the controller via a signal line. The serial port display 4 is used to display the working status information of each actuator (including workstation number, current process progress, temperature value, pressing force value, etc.), and to receive touch input commands from the operator, converting the commands into control signals and sending them to the controller, which then drives the corresponding actuator to perform the action.

[0032] The first wire stripping actuator 1 and the second wire stripping actuator 2 are arranged side by side vertically on the right side of the workstation platform; the crimping actuator 3 is located directly below the first and second wire stripping actuators 1 and fixed to the base frame; the soldering actuator 5 is located in the middle of the workstation platform, to the left of the crimping actuator 3; the online inspection device 6 is located on the lower left side of the workstation platform, near the discharge end of the soldering actuator 5. The serial port screen 4 is located on the top of the workstation platform, above the front of the entire device, within the operator's optimal field of vision.

[0033] During operation, the operator holds the cable to be processed and completes the end processing in sequence according to the path of "first stripping actuator 1 (insulation layer stripping) → second stripping actuator 2 (shielding layer stripping) → crimping actuator 3 (crimping) → soldering actuator 5 (soldering) → online detection device 6 (continuity detection)".

[0034] like Figures 2 to 5 As shown, the first wire stripping actuator 1 and the second wire stripping actuator 2 have the same mechanical structure, differing only in the elastic coefficient of the spring 12. The component connections between the two are as follows: The first wire stripping actuator 1 is composed of the following components connected in the following manner: The rotary drive unit 7 (such as a stepper motor or servo motor) is fixedly mounted on the upper mounting frame of the workstation platform via a motor bracket. Its output shaft extends horizontally, with the axis direction parallel to the feed direction of the cable to be processed.

[0035] The coupling connector 8 (such as a rigid coupling) is fixedly connected at one end to the output shaft end of the rotary drive unit 7 and at the other end to one end of the fixing member 130 of the adjustable force wire stripper assembly 13, thereby realizing the fixed connection between the rotary drive unit 7 and the adjustable force wire stripper assembly 13, so that the rotational power output by the rotary drive unit 7 can be transmitted to the adjustable force wire stripper assembly 13, driving it to rotate around the cable axis.

[0036] The adjustable force wire stripper assembly 13 includes a fixing member 130, two blade fixing members 11, two blades 14, and two springs 12. The fixing member 130 is a rod-shaped or cylindrical component, one end of which is fixedly connected to a coupling connector 8, and the other end is fixedly connected to a cable rotation guide mechanism 10. The cable rotation guide mechanism 10 is a guide tube-shaped component with one open end, its central axis being collinear with the central axis of the fixing member 130. A replaceable guide bushing 101 is provided on the inner wall of the cable rotation guide mechanism 10 to guide the cable axially into the adjustable force wire stripper assembly 13. The two blade fixing members 11 are block-shaped or plate-shaped components, symmetrically arranged on the cable rotation guide mechanism 10. Each blade fixing member 11 is rotatably connected to the outer wall of the cable rotation guide mechanism 10 or the end of the fixing member 130 via a pin, allowing the blade fixing member 11 to swing around the pin within a certain angle range. Two blades 14 are fixedly mounted on the cable-facing surfaces of two blade holders 11, respectively. A stripping cavity for the cable to pass through is formed between the two blades 14, and the axis of the stripping cavity is collinear with the central axis of the cable rotation guide mechanism 10. Two springs 12 are respectively disposed between the cable rotation guide mechanism 10 and the two blade holders 11. One end of each spring 12 abuts against the limiting groove of the corresponding blade holder 11, and the other end abuts against the positioning groove of the cable rotation guide mechanism 10. The springs 12 are always in a compressed state, applying a pushing force to the blade holders 11, causing the blade holders 11 to rotate around the pin, driving the blades 14 fixed thereon to move towards the cable, thereby causing the blades 14 to press radially against the outer surface of the cable under the elastic force of the springs 12. The blades 14 have end faces 141, which are used to block the cut insulation layer when the cable is axially pulled out, so as to achieve axial stripping of the insulation layer or shielding layer.

[0037] Through the above structure, the adjustable force wire stripper assembly 13 realizes the functions of elastic radial clamping and circumferential cutting of the cable.

[0038] The cable rotation guide mechanism 10 is a guide tubular component with one open end, fixedly connected to the other end of the fixing member 130, and its central axis is collinear with the axis of the stripping cavity of the adjustable force stripper assembly 13. The inner wall of the cable rotation guide mechanism 10 is provided with a replaceable guide bushing 101, which is used to guide the cable axially into the stripping cavity of the adjustable force stripper assembly 13.

[0039] The adjustable cable stop 9 is a plate-shaped or block-shaped component, set on the axial feed path of the cable, located on the discharge end side of the adjustable force stripper assembly 13. The adjustable cable stop 9 is slidably mounted on the fixing member 130, which is provided with a locking screw 131. Loosening the locking screw 131 allows the position of the adjustable cable stop 9 to be adjusted along the slide rail, and locking it in place fixes it in the set position to control the axial stripping length of the cable.

[0040] The components and connection method of the second wire stripping actuator 2 are exactly the same as those of the first wire stripping actuator 1. The only difference is that the elastic coefficient (second elastic coefficient) of its two springs 12 is greater than the elastic coefficient (first elastic coefficient) of the two springs 12 in the first wire stripping actuator 1. The two wire stripping actuators are independently fixed on the upper mounting frame of the workstation platform and arranged side by side in the horizontal direction.

[0041] Combination Figure 2 and Figure 7 As shown, the crimping actuator 3 is composed of the following components connected in the following manner: The linear drive unit 15 (such as a stepper motor or DC motor) is fixedly mounted on the base frame of the workstation platform via a motor bracket, and its output shaft extends horizontally.

[0042] The precision lead screw 19 is fixedly connected at one end to the output shaft of the linear drive unit 15 via a coupling, and at the other end is rotatably supported on the base frame via a bearing seat. The axis of the precision lead screw 19 is collinear with the axis of the output shaft of the linear drive unit 15.

[0043] The screw drive pair 16 (i.e., the lead screw and nut pair) includes a drive nut that screws into the precision lead screw 19. This drive nut is fixedly connected to the input ends of the two lever pressing actuators 17 via a connecting seat. When the linear drive unit 15 drives the precision lead screw 19 to rotate, the drive nut moves along the axis of the lead screw, thereby pushing the two lever pressing actuators 17 to move along the axis.

[0044] Two lever-operated pressing actuators 17 are two sets of force-amplifying mechanisms composed of multiple hinged links. The two lever-operated pressing actuators 17 are symmetrically distributed, with their input ends fixedly connected to the transmission nut of the screw drive pair 16. The output ends of the two lever-operated pressing actuators 17 are fixedly connected to the upper mold 181 and lower mold 182 of the modular pressing interface 18, respectively. The fixed ends of the two lever-operated pressing actuators 17 are rotatably connected to brackets on the base frame via pins. When the screw drive pair 16 pushes the input ends of the two lever-operated pressing actuators 17 to move axially, the two lever mechanisms rotate synchronously around their respective fixed end pins, converting the axial driving force into opposing pressing forces at the two output ends radially (perpendicular to the cable axis).

[0045] The modular crimping interface 18 is a set of detachable crimping dies, including an upper die 181 and a lower die 182. The upper die 181 is fixed to the output end of one of the lever crimping actuators 17, and the lower die 182 is fixed to the output end of the other lever crimping actuator 17. The upper die 181 and the lower die 182 move radially with the output end of their respective lever crimping actuators 17, and the upper die 181 and the lower die 182 cooperate to crimp and fix the 2M end cap and the conductor connection area. The modular crimping interface 18 adopts a slot-type quick-change structure. The upper die and the lower die are detachably snapped and fixed to the output end of the corresponding lever crimping actuator 17 through slots, allowing for quick disassembly and replacement without tools.

[0046] like Figure 2 and Figure 7 As shown, the soldering actuator 5 is composed of the following components connected in the following manner: The lifting drive unit 23 (such as a stepper motor) is fixedly installed on the upper mounting frame of the workstation platform via a motor bracket, and an active synchronous pulley is fixedly installed on its output shaft.

[0047] A synchronous drive belt 24 (i.e., a synchronous toothed belt) is wound between the driving synchronous pulley and the driven synchronous pulley on the output shaft of the lifting drive unit 23. The driven synchronous pulley is rotatably mounted on a support shaft on the upper mounting frame, and together with the driving synchronous pulley, tensions the synchronous drive belt 24. When the lifting drive unit 23 rotates, the rotational motion of the driven synchronous pulley is transmitted to the welding head vertical displacement mechanism 21 through the transmission of the synchronous drive belt 24.

[0048] The welding head vertical displacement mechanism 21 includes a guide rail, a slider, and a connecting seat. The guide rail is a linear guide rail fixedly mounted on the upper mounting frame of the workstation platform along the vertical direction (Z-axis direction). The slider is slidably mounted on the guide rail, and the connecting seat is fixed to the slider. The connecting seat is fixedly connected to the belt body of the synchronous transmission belt 24 (e.g., by clamping it with a pressure plate). When the synchronous transmission belt 24 moves, it drives the connecting seat and the slider to make a linear motion in the vertical direction along the guide rail.

[0049] The constant-temperature heating welding head 25 (i.e., constant-temperature soldering iron) is fixedly mounted on the connecting seat of the welding head vertical displacement mechanism 21 via a welding head clamp, and moves vertically in sync with the connecting seat. The heating temperature of the constant-temperature heating welding head 25 is controlled by the temperature control module in the controller and can be stably maintained at the set temperature.

[0050] The solder feeding module 20 includes a solder feeding motor, a solder feeding gear pair, and a solder feeding tube. The solder feeding motor is fixedly mounted on the connecting seat of the solder head vertical displacement mechanism 21. The solder feeding gear pair consists of a driving gear and a driven gear. The driving gear is fixedly mounted on the output shaft of the solder feeding motor, and the driven gear is rotatably mounted on the connecting seat and meshes with the driving gear. The solder wire passes through the gap between the solder feeding gear pair and is quantitatively pushed under the rotational pressure of the two gears, guided to the soldering position via the solder feeding tube. One end of the solder feeding tube is close to the soldering nozzle of the constant temperature heating soldering head 25, and the other end is fixed to the connecting seat.

[0051] A three-dimensional adjustable fixture 22 is used to clamp and position the cable end to be welded. The three-dimensional adjustable fixture 22 includes an X-axis adjusting seat, a Y-axis adjusting seat, a Z-axis adjusting seat, and grippers. The X-axis adjusting seat is fixedly mounted on the base frame of the workstation platform. The Y-axis adjusting seat is slidably mounted on the X-axis adjusting seat via a dovetail groove or guide rail. The Z-axis adjusting seat is slidably mounted on the Y-axis adjusting seat via a dovetail groove or guide rail. The grippers are fixed to the Z-axis adjusting seat. Each adjusting seat is equipped with an adjusting screw and a locking screw. Rotating the adjusting screw allows each adjusting seat to move precisely in the corresponding direction. The locking screw is used to fix the position after adjustment. The three-dimensional adjustable fixture 22 allows for precise adjustment of the position of the 2M connector, aligning its center vertically with the welding nozzle of the constant-temperature heating welding head 25.

[0052] like Figure 1 , 2As shown in Figures 8 and 9, the on-line detection device 6 is arranged at the fifth station, and includes a pair of coaxial detection electrodes 61 and a detection circuit module 65. The coaxial detection electrode 61 has a three-way joint type structure, including a central jack 62 disposed inside the three-way joint and an outer metal shell 63 of the three-way joint. The three-way joint is fixedly mounted on the lower left part of the station platform, with its open end facing the operator side, for the insertion of the welded 2M terminal 64. The central jack 62 is a conductive jack, arranged at the central axis position of the three-way joint, and has an inner diameter adapted to the outer diameter of the central thimble 641 of the 2M terminal 64. When the 2M terminal is inserted into the three-way joint, the central jack 62 is in close contact with the central thimble 641 of the 2M terminal 64, so as to realize electrical connection with the central conductor. The outer metal shell 63 is the outer shell part of the three-way joint, which is made of conductive metal material. When the 2M terminal 64 is inserted into the three-way joint, the inner wall of the outer metal shell 63 is in contact with and electrically connected to the metal shell of the 2M terminal 64. The detection circuit module 65 is disposed on the control circuit board inside the station platform, and integrates a low-voltage DC power supply (such as a 3V or 5V DC power supply), a current-limiting resistor, a current detection unit (such as a sampling resistor and a comparator connected in series in the loop), and an acousto-optic alarm (including a red LED indicator and a buzzer). The central jack and the outer metal shell are electrically connected to the detection terminals of the detection circuit module 65 through wires respectively. The specific circuit connection mode of the detection circuit module 65 is as follows: the positive electrode of the low-voltage DC power supply is connected to the central jack after passing through the current-limiting resistor, the outer metal shell is connected to the input end of the current detection unit, and the output end of the current detection unit is connected to the driving end of the acousto-optic alarm. The detection logic is as follows: when the welded 2M terminal 64 is inserted into the three-way joint, the central jack 62 is in contact with the central thimble 641 of the 2M terminal 64, and the outer metal shell 63 is in contact with the metal shell of the 2M terminal 64. If the welding is good (no short circuit), the central conductor and the outer shell are well insulated, the detection circuit is in an open circuit state, the current detected by the current detection unit is zero, the acousto-optic alarm does not act (a green indicator can be set to be normally on), it is judged as qualified, and the operator takes off the joint and puts it into the qualified product placement slot. If the central conductor and the outer shell are short-circuited due to poor welding, the detection circuit forms a closed loop, the current flows through the current detection unit, which immediately triggers the acousto-optic alarm, the red indicator flashes and a buzzing alarm is emitted, it is judged as unqualified, and the operator takes off the joint and puts it into the unqualified product placement slot, and checks the cause of the fault.

[0053] The serial port screen 4 is fixedly installed on the top front panel of the workstation platform. Its communication port is electrically connected to the corresponding communication interface of the controller via a serial communication cable (such as an RS-232 or RS-485 communication cable). The controller (such as a programmable logic controller (PLC) or a single-chip microcomputer control board based on an ARM architecture) is fixedly installed on the electrical mounting plate inside the workstation platform. The drive components of each actuator (rotary drive unit 7, linear drive unit 15, lifting drive unit 23, and the solder feeding motor in the solder feeding module 20) are electrically connected to the corresponding drive output port of the controller via drive cables. The sensors on each actuator (such as position sensors, temperature sensors, pressure sensors, etc.) are electrically connected to the signal input port of the controller via signal lines. The serial port screen 4 converts the operator's touch input commands into digital signals and sends them to the controller. The controller parses the commands according to the preset program and sends drive signals to the corresponding drive components to control each actuator to act in sequence. At the same time, the controller transmits the real-time status information collected by each sensor back to the serial port screen 4 via a serial communication cable for visualization display.

[0054] During operation, the operator holds the cable to be processed and completes the end-cap fabrication according to the following steps: Step 1: Insulation Stripping (First Stripping Actuator 1). The operator pushes the cable end along the cable rotation guide mechanism 10 into the first stripping actuator 1 until the cable end face abuts against the adjustable cable stop 9. The operator clicks the insulation stripping button on the serial port screen 4. Upon receiving the command, the controller drives the rotation drive unit 7 to rotate, which in turn drives the adjustable force stripping blade assembly 13 to rotate around the cable axis via the coupling connector 8. The two blades 14, under the elastic force of the two springs 12, radially press against the outer surface of the cable, performing a 360° circumferential cut on the cable insulation layer. After cutting, the operator manually pulls out the cable. The end face of the blade 14 blocks the cut insulation layer, achieving axial stripping and exposing the inner shielding layer.

[0055] Step 2: Shielding stripping (second stripping mechanism 2). The operator places the cable, after step 1, into the second stripping mechanism 2 and performs the same operation as step 1. Because the two springs 12 in the second stripping mechanism 2 have a larger elastic coefficient (second elastic coefficient), the two blades 14 apply greater radial pressure to the cable, sufficient to penetrate the shielding layer and inner insulation layer. After cutting, the cable is manually pulled out, and the shielding layer and inner insulation layer are stripped away, exposing the inner conductor.

[0056] Step 3: Crimping (Crimping Actuator 3). The operator inserts the stripped conductor into the bottom of the contact end sleeve, places the semi-finished product into the crimping actuator 3, and ensures that the connector end sleeve is located between the upper and lower dies of the modular crimping interface 18. By clicking the crimp button on the serial port screen 4, the controller drives the linear drive unit 15 to rotate, which in turn drives the precision lead screw 19 to rotate. The transmission nut of the screw drive pair 16 moves along the axial direction of the lead screw, synchronously pushing the two lever crimping actuators 17 to convert the axial force into a radial crimping force. The upper and lower dies move radially towards each other with the output ends of their respective lever crimping actuators 17. The upper and lower dies cooperate to crimp and fix the 2M end sleeve to the conductor connection area.

[0057] Step 4: Soldering (Soldering actuator 5). The operator loads the crimped semi-finished product into the three-dimensional adjustable fixture 22 and adjusts it to the precise position. By clicking the soldering button on the serial port screen 4, the controller first starts the constant temperature heating soldering head 25 to preheat to the set temperature. After preheating, the drive solder feeding module 20 pushes the solder wire to the soldering position. At the same time, the drive lifting drive unit 23 drives the soldering head vertical displacement mechanism 21 to move downward along the Z-axis through the synchronous transmission belt 24, so that the constant temperature heating soldering head 25 contacts the soldering position to complete the soldering. Then, the drive lifting drive unit 23 reverses, so that the constant temperature heating soldering head 25 moves upward back to the initial position.

[0058] Step 5: Online Testing (Online Testing Device 6). The operator inserts the welded 2M end into the tee connector. If the weld is good, the center conductor is insulated from the outer casing, the detection circuit is open, and no alarm is triggered; if there is a short circuit defect in the weld, the detection circuit is conductive, and the current detection unit triggers the audible and visual alarm.

[0059] This device has strong versatility and can be adapted to various specifications of 2M coaxial cables through quick adjustment or modular replacement. The specific adjustment mechanism is as follows: (1) Axial dimension adaptation for wire stripping: By adjusting the sliding position of the adjustable cable stop 9 on the fixing part 26, the required stripping length of insulation and shielding layers for different specifications of cables can be freely set and precisely controlled. Loosening the locking screw allows the adjustable cable stop 9 to be moved along the slide rail to the desired position, and the locking screw fixes it.

[0060] (2) Radial adaptation of wire diameter: The cable rotation guide mechanism 10 adopts a replaceable guide bushing 101 design. For cables with different outer diameters, only the guide bushing 101 with the corresponding inner diameter needs to be replaced to ensure that the cable shaft is highly aligned with the stripping cavity axis of the adjustable force stripper assembly 13, thus avoiding eccentric cutting.

[0061] (3) Crimping and clamping adaptation: The modular crimping interface 18 of the third station is designed as a slot-type quick-change module. The upper mold 181 and the lower mold 182 are respectively fixed to the output end of the corresponding lever crimping actuator 17 through the slot. The crimping mold core can be quickly replaced according to the size of the 2M end sleeve.

[0062] The experimental data for this invention are as follows: Test conditions: room temperature 25±2℃, relative humidity 45%~55%, all samples were cables of the same batch and specifications.

[0063] Experimental Design: This experiment targets the double-insulation structure of a 2M coaxial cable, consisting of an outer insulating sheath and an inner dielectric insulating layer, to verify the effectiveness of a graded stripping scheme using a "same-structure stripping mechanism + springs with different elastic coefficients". The two-stage stripping mechanisms employ an identical rotary ring-cutting + axial withdrawal structure and the same stripping blade. Only by configuring springs 12 with different elastic coefficients can the graded stripping be adapted to the material characteristics of the two insulation layers, achieving precise graded stripping.

[0064] The test used a standard SYV-75-2-1 type 2M coaxial cable as the test object. The cable layer parameters are as follows: (1) Outer insulation: PVC material, 0.5mm thick, Shore hardness 65A, relatively soft texture; (2) Inner insulation: PE (polyethylene) material, 0.8mm thick, Shore hardness 58D, with a hard texture and stronger toughness; (3) Inner conductor: single-strand tin-plated copper wire, 0.5mm in diameter; (4) Process settings: the outer layer insulation is set to a peel length of 10mm, and the inner layer insulation is set to a peel length of 5mm.

[0065] The experiment included a control group and an experimental group, with 300 samples in each group, and the tests were conducted under the same environmental and operational conditions. (1) Control group (single spring scheme): Both stripping stations are equipped with general springs with an elastic coefficient k=1.0N / mm; (2) Experimental group (graded spring scheme): The outer insulation stripping station is equipped with a low elasticity spring with an elastic coefficient k1=0.5N / mm; the inner insulation stripping station is equipped with a high elasticity spring with an elastic coefficient k2=1.8N / mm.

[0066] The experimental results show that: Compared to the single-spring solution, the graded spring solution reduces the average deviation of the outer insulation peel length from ±0.38mm to ±0.12mm, improving peel accuracy by 68.4%; the average deviation of the inner insulation peel length from ±0.47mm to ±0.16mm, improving peel accuracy by 66.0%; the shielding layer damage rate from 10.3% to 0.33%, a reduction of 96.8%; and the inner conductor damage rate from 9.0% to 0.67%, a reduction of 92.6%. This effectively solves the technical contradiction that a single spring cannot simultaneously adapt to the characteristics of two layers of insulation materials.

[0067] The above description is merely a preferred embodiment of this application and is not intended to limit the scope of protection of this invention; the scope of protection of this invention is defined by the claims in the claims, and all equivalent changes and modifications made in accordance with this invention are within the scope of protection of this patent.

Claims

1. A portable, semi-automatic 2M cable termination processing device, characterized in that: include: Workstation platform; The first wire stripping actuator, the second wire stripping actuator, the crimping actuator, the soldering actuator, and the online detection device are all mounted on the workstation platform; The first wire stripping actuator is used to strip the cable insulation layer, the second wire stripping actuator is used to strip the cable shielding layer, the crimping actuator is used to crimp the 2M end, the soldering actuator is used to solder the end, and the online detection device is used to perform continuity detection on the 2M joint after soldering. Both the first and second wire stripping actuators include an adjustable force wire stripping knife assembly, which includes blades and elastic elements. The elastic element of the first wire stripping actuator has a first elastic coefficient, and the elastic element of the second wire stripping actuator has a second elastic coefficient. The second elastic coefficient is greater than the first elastic coefficient, so that the first and second wire stripping actuators apply different radial pressures to the cable respectively, thereby achieving graded stripping of different layers of the cable.

2. The portable semi-automatic 2M cable end-processing device according to claim 1, characterized in that: The first wire stripping mechanism, the second wire stripping mechanism, the crimping mechanism, the soldering mechanism, and the online inspection device are respectively installed at different positions on the workstation platform. The first wire stripping mechanism and the second wire stripping mechanism are located on one side of the workstation platform, the crimping mechanism is located below the first wire stripping mechanism and the second wire stripping mechanism, the soldering mechanism is located in the middle of the workstation platform, and the online inspection device is located on the lower part of the other side of the workstation platform.

3. The portable semi-automatic 2M cable termination processing device according to claim 1, characterized in that: Both the first wire stripping actuator and the second wire stripping actuator further include: A rotary drive unit is used to provide rotational power about the cable axis; A coupling connector connects the rotary drive unit to the adjustable force wire stripper assembly; A cable rotation and guide mechanism is used to guide the cable into the stripping station; And an adjustable cable stop, which is set on the axial feed path of the cable to control the axial stripping length of the cable; The adjustable force wire stripper assembly also includes a fixing member and two blade fixing members. One end of the fixing member is connected to the coupling connector, and the cable rotation guide mechanism is fixedly connected to the other end of the fixing member. The two blade fixing members are symmetrically and rotatably arranged on the cable rotation guide mechanism. The two blades are respectively fixedly installed on the two blade fixing members, and a stripping cavity is formed between the two blades. The two elastic elements are respectively arranged between the cable rotation guide mechanism and the two blade fixing members. One end of each elastic element abuts in the limiting groove of the blade fixing member, and the other end abuts in the positioning groove of the cable rotation guide mechanism. The elastic element is always in a compressed state, applying a thrust towards the cable direction to the blade, so that the blade presses the outer surface of the cable radially under the action of the elastic force of the elastic element. The adjustable cable stop is slidably mounted on the fixing member. The fixing member is provided with a locking screw. Loosening the locking screw allows the position of the adjustable cable stop to be adjusted along the slide rail. After locking, it is fixed in the set position to control the axial stripping length of the cable. The rotary drive unit drives the adjustable force stripper assembly to rotate around the cable axis through the coupling connector. The blades are radially pressed against the outer surface of the cable by the elastic element to perform circumferential stripping.

4. The portable semi-automatic 2M cable end-processing device according to claim 3, characterized in that: The blade has an end face that is used to block the cut insulation layer when the cable is axially pulled out, so as to achieve axial stripping of the insulation layer or shielding layer.

5. The portable semi-automatic 2M cable end-processing device according to claim 3, characterized in that: The cable rotation and guide mechanism is equipped with a replaceable guide bushing, which can be replaced with guide bushings of different inner diameters to adapt to cables of different outer diameter specifications.

6. The portable semi-automatic 2M cable termination processing device according to claim 1, characterized in that: The crimping actuator includes: Linear drive unit; A helical drive pair is connected to the output end of the linear drive unit; Two lever-type pressing actuators are symmetrically distributed and synchronously driven by the screw drive pair; And a modular crimping interface, which is detachably disposed at the output end of the two lever-type crimping actuators; The modular crimping interface includes an upper mold and a lower mold. The upper mold is fixed to the output end of one of the lever-type crimping actuators, and the lower mold is fixed to the output end of the other lever-type crimping actuator. The linear drive unit drives the helical transmission pair to move along the screw axis. The helical transmission pair pushes the two lever-type pressing actuators to convert the axial driving force into a radial pressing force. The upper die and the lower die move radially with the output end of their respective lever-type pressing actuators. The upper die and the lower die cooperate to achieve the pressing and fixing of the 2M end.

7. The portable semi-automatic 2M cable termination processing device according to claim 6, characterized in that: The modular crimping interface is a slot-type quick-change module, which is configured to quickly change the corresponding crimping mold core according to the size of the 2M end sleeves of different specifications.

8. The portable semi-automatic 2M cable termination processing device according to claim 1, characterized in that: The soldering actuator includes: Solder feeding module, used to quantitatively push solder wire; The lifting drive unit and the synchronous transmission belt work together to drive the movement in the Z-axis direction; The welding head vertical displacement mechanism integrates a guide rail and a connecting seat, and moves along the Z-axis direction under the drive of the lifting drive unit and the synchronous transmission belt; A constant-temperature heating welding head is fixed on the vertical displacement mechanism of the welding head. And a three-dimensional adjustable clamp for holding and positioning the cable end to be welded; The vertical displacement mechanism of the welding head drives the constant temperature heating welding head to complete the welding action in three stages: pressing down, welding, and retraction.

9. The portable semi-automatic 2M cable end-processing device according to claim 1, characterized in that: The online detection device includes: A pair of coaxial detection electrodes are set at the detection station. The coaxial detection electrodes include a central insertion hole inside the tee connector and an outer metal shell of the tee connector. The central insertion hole is used to make close contact with the pin at the center of the inserted 2M end, and the outer metal shell is used to communicate with the metal shell of the 2M end. It also includes a detection circuit, which integrates a low-voltage DC power supply, a current detection unit, and an audible and visual alarm. The central socket and the outer metal housing are electrically connected to the detection circuit. When the 2M terminal is inserted into the tee connector, the central socket contacts the central conductor of the 2M terminal, and the outer metal housing contacts the outer shell of the 2M terminal. If the soldering is good, the circuit is open. If the central conductor is short-circuited with the outer shell, the circuit is connected and the audible and visual alarm is triggered.

10. The portable semi-automatic 2M cable termination processing device according to claim 1, characterized in that: It also includes a serial port screen, which is fixedly installed on the top of the workstation platform and electrically connected to the control unit of each actuator, for displaying working status information and receiving touch input commands from the operator.

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