Phase repairing device for precisely controlling cable size
By designing a phase repair device including a base plate, a support, an electronically controlled slide table and a clamping device, the problem of manual operation difficulty and low accuracy during the phase repair of the cable assembly is solved, and high-precision phase repair and chamfer are achieved, and processing efficiency and consistency are improved.
Patent Information
- Application Number
- CN202421650795.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-12
- Publication Date
- 2025-05-06
- Estimated Expiration
- 2034-07-12
AI Technical Summary
In the prior art, the phase repair process of cable assemblies relies on manual operation, resulting in high difficulty, low accuracy and poor consistency. Especially at high frequencies, it becomes extremely difficult to rely solely on manual phase repair.
A phase repair device that accurately controls the size of the cable is designed, including a base plate, a support, an electronically controlled slide table and a clamping device. The clamping device is driven by the electronically controlled slide table to slide along the length of the cable, and the high-precision phase repair processing of the cable end surface is achieved in combination with the end surface repair device.
It realizes high-precision phase modification and chamfering of the cable end surface, improves processing efficiency, reduces workers' labor intensity, ensures phase consistency of cable components, and solves the problems of high difficulty and low accuracy of manual phase modification.
Smart Images
Figure CN222830598U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of microwave communications, and in particular relates to a phase trimming device for accurately controlling cable dimensions. Background Art
[0002] In recent years, with the rapid development of microwave communication technology, the whole equipment has put forward many new requirements for RF transmission components, and the market demand for spread spectrum test-grade RF cable assemblies is also growing rapidly, which plays a very important role in improving the quality of RF signal transmission and ensuring the performance of the whole system. This type of cable assembly is generally characterized by overclocking (or spread spectrum) application, stable amplitude and phase, low loss, etc.
[0003] In the past, phase correction was achieved manually: first measure the phase difference, calculate the mechanical dimensions that need to be adjusted, and then make rough repairs by scribing. Use manual blades, surgical blades, desoldering tools, rotary knives, diagonal pliers, etc. to remove excess mechanical dimensions. Then measure the phase difference and make fine repairs. This method may require multiple heating and adjustments, and has poor safety and low efficiency.
[0004] With the increase of the operating frequency of cable components, the unit wavelength corresponding to each degree of phase in the KU band is less than 0.1mm. The increase in operating frequency, especially millimeter wave products, puts higher requirements on the size of phase trimming. The phase stability requirements of amplitude-stable and phase-stable cables are also increasing year by year. Manual phase trimming will become increasingly difficult, and it will become an inevitable trend for machines to replace manual labor.
[0005] Practical problems encountered during the processing of stable amplitude and phase cable assemblies: Many cable assemblies need to be welded after the outer conductor is assembled. There will be solder at the junction of the welding ring and the cable after welding. The cable assembly after welding will have dimensional changes due to welding. These changes will cause phase errors of the cable assembly. For some RF cable assemblies that need to ensure batch phase consistency, the method of controlling mechanical dimensions must be used to ensure phase consistency. For example, the phase value (z=1.2fmax) corresponding to a 1mm cable in an air medium in various working frequency bands is shown in the following table.
[0006]
[0007] When the operating frequency is 18 GHz, the phase value corresponding to the cable with a length of 1 mm is 21.6°, and the mechanical dimension corresponding to each 1° phase is 21.6° / 360°=0.06 (mm). Therefore, to reduce the phase of the cable with an operating frequency of 18 GHz by 1°, the mechanical length of the cable should be shortened by 0.06 mm. When the frequency is higher (above 18 GHz), the mechanical dimension of the cable assembly should be shortened by less than 0.06 mm for each 1° phase reduction. It becomes extremely difficult to perform phase trimming manually. Therefore, it is necessary to design a phase trimming and chamfering device with precise digitally controllable dimensions. Utility Model Content
[0008] The technical problem solved by the utility model is: to provide a phase trimming device for accurately controlling the cable size, by arranging an end face trimming device supported by a support on a bottom plate, and combining an electrically controlled slide table that can control a clamping device for clamping the cable to move toward or away from the end face trimming device, to achieve phase trimming of the cable end face, thereby solving the problems of great difficulty, low precision and poor consistency in manual phase trimming of the cable end face, the utility model has a simple structure, is easy to manufacture, is easy to operate, has excellent actual use effect, has the advantages of high phase trimming and chamfering precision, has high processing efficiency, greatly alleviates the labor intensity of workers, and has been promoted in various fields.
[0009] The technical solution adopted by the utility model: a phase trimming device for accurately controlling the size of a cable, comprising a base plate, a support and an electric control slide located on the right side of the support are fixed to the upper surface of the base plate, the moving part of the electric control slide is fixedly connected to a clamping device for clamping the cable, and the clamping device is driven by the electric control slide to slide along its length direction to achieve adjustment of the phase trimming size of the cable, and an end face trimming device for trimming the end of the cable clamped and fixed on the clamping device is installed on the support.
[0010] Wherein, the end surface trimming device comprises a motor and an end surface trimming tool, the motor is fixed on a support, and the end surface trimming tool is installed on the output shaft of the motor.
[0011] Furthermore, the end surface trimming tool fixed on the motor output shaft can be replaced with a chamfering tool for chamfering the cable end.
[0012] Furthermore, the support is provided with a protective cover for covering the motor therein.
[0013] Furthermore, the electric control slide includes a stepper motor and a ball screw slide, the ball screw slide is fixed on the base plate, and the stepper motor fixedly connected to the screw in the ball screw slide is installed on the right end outer wall of the ball screw slide, the clamping device is fixed on the slide of the ball screw slide, and under the drive of the stepper motor, the cable clamped on the clamping device moves toward or in the opposite direction of the end face trimming device.
[0014] Furthermore, the clamping device includes a manual ball screw slide and a clamping seat, the external thread of the screw in the manual ball screw slide is an equal-length structure with two sections of the same length and different rotation directions, and two slides are adapted on the screw, and clamping seats with clamping openings facing each other are installed on the two slides of the manual ball screw slide, and the clamping part of the cable is located between the clamping openings of the clamping seats, and the two clamping seats are moved towards each other to clamp the cable or moved in the opposite direction to loosen the cable by rotating the handwheel in the manual ball screw slide.
[0015] Furthermore, the clamping seat includes a seat plate and a clamping plate, the seat plate is fixed to the slide of the manual ball screw slide by multiple bolts, and the clamping openings on the two clamping plates are arranged facing each other and adapted to be fixed in the groove on the inner wall of the seat plate on the same side.
[0016] Furthermore, the support is an integrated structure consisting of a U-shaped seat with an opening facing downward and horizontal side plates arranged at both ends of the U-shaped seat and extending outward. Two waist-shaped long holes are formed on the two horizontal side plates at the lower end of the support, and bolts passing through the waist-shaped long holes and the through holes on the bottom plate fix the support to the bottom plate in an adjustable position along the length direction of the bottom plate.
[0017] The advantages of this utility model compared with the prior art:
[0018] 1. This technical solution provides a motor with an end face trimming tool or a chamfering tool installed on the output shaft supported by a support on the bottom plate, without manual trimming, so that the end face trimming device has the advantages of high-precision trimming and chamfering;
[0019] 2. This technical solution sets an electric control slide on the bottom plate that can control the clamping device for clamping the cable to move toward or away from the end face trimming device, and realizes mechanized and precise phase trimming of the cable end face under the control of a high-precision servo motor, solving the problem of difficulty, low precision and poor consistency in manual phase trimming of the cable end face;
[0020] 3. The setting of the manual ball screw slide in this technical solution provides stable and reliable clamping conditions for clamping or loosening the cable, and the clamping structure is simple and easy to operate;
[0021] 4. This technical solution has reasonable structural design, convenient operation, excellent practical use effect, the advantages of high precision of trimming and chamfering, high processing efficiency and good consistency, which greatly alleviates the labor intensity of workers and has been promoted in various fields. BRIEF DESCRIPTION OF THE DRAWINGS
[0022] Figure 1 It is a schematic diagram of the structure of the utility model. DETAILED DESCRIPTION
[0023] The following will be combined with the embodiment of the present utility model Figure 1 , clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of them. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0024] It should be noted that, in this document, unless otherwise stated, it should be understood that the terms "center", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", "third", etc., are used for descriptive purposes only and cannot be understood as indicating or implying relative importance.
[0025] In this document, the terms "comprises", "comprising" or any other variation thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device comprising a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further limitations. The elements defined by the sentence "comprising a ..." do not exclude the presence of other identical elements in the process, method, article or device comprising the elements.
[0026] Phase trimming device for precise control of cable size, such as Figure 1 As shown, it includes a base plate 1, a support 2 and an electric control slide 4 located on the right side of the support 2 are fixed on the upper plate surface of the base plate 1, the moving part of the electric control slide 4 is fixedly connected to the clamping device 5 for clamping the cable, and the clamping device 5 is driven by the electric control slide 4 to slide along its length direction to adjust the cable trimming size, and the support 2 is equipped with an end face trimming device 3 for trimming the end of the cable clamped and fixed on the clamping device 5; in the above structure, by arranging a motor supported by the support 2 and equipped with an end face trimming tool or a chamfering tool on the output shaft on the base plate 1, manual trimming is not required, so that the end face trimming device has the advantages of high-precision trimming and chamfering; an electric control slide 4 is arranged on the base plate 1, which can control the clamping device for clamping the cable to move toward or away from the end face trimming device, and the mechanized and precise trimming of the cable end face is realized under the control of the high-precision electric control slide 4, which solves the problem that manual trimming of the cable end face is difficult, has low precision and poor consistency;
[0027] The specific structure of the end face trimming device 3 is as follows: the end face trimming device 3 includes a motor and an end face trimming tool 3-1, the motor is fixed on the support 2, and the end face trimming tool 3-1 is installed on the motor output shaft; specifically, the end face trimming tool 3-1 fixed on the motor output shaft can be replaced with a chamfering tool for chamfering the cable end; specifically, the support 2 is provided with a protective cover 3-2 for covering the motor inside it.
[0028] The specific structure of the electric control slide 4 is as follows: the electric control slide 4 includes a stepper motor 4-1 and a ball screw slide 4-2, the ball screw slide 4-2 is fixed on the base plate 1, and the stepper motor 4-1 fixedly connected to the screw in the ball screw slide 4-2 is installed on the right end outer wall of the ball screw slide 4-2, the clamping device 5 is fixed on the slide of the ball screw slide 4-2, and under the drive of the stepper motor 4-1, the cable clamped on the clamping device 5 moves toward or in the opposite direction of the end face trimming device 3.
[0029] The specific structure of the clamping device 5 is as follows: the clamping device 5 includes a manual ball screw slide 5-1 and a clamping seat 5-2, the external thread of the screw in the manual ball screw slide 5-1 is an equal-length structure with two sections of the same length and different rotation directions, and two slides are adapted on the screw, and the two slides of the manual ball screw slide 5-1 are both equipped with clamping seats 5-2 with clamping openings 5-3 arranged opposite to each other, and the clamping part of the cable is located between the clamping openings 5-3 of the clamping seats 5-2, and the two clamping seats 5-2 are moved toward each other to clamp the cable or moved in the opposite direction to loosen the cable by rotating the hand wheel in the manual ball screw slide 5-1, that is, by rotating the hand wheel, the two slides in the manual ball screw slide 5-1 drive the clamping seats 5-2 to move toward each other or in the opposite direction, providing conditions for clamping and fixing the cable;
[0030] The specific structure of the clamping seat 5-2 is as follows: the clamping seat 5-2 includes a seat plate 5-21 and a clamping plate 5-22, the seat plate 5-21 is fixed to the slide of the manual ball screw slide 5-1 by a plurality of bolts, and the clamping openings 5-3 on the two clamping plates 5-22 are arranged opposite to each other and adapted to be fixed in the grooves on the inner wall of the seat plate 5-21 on the same side; in the above structure, the clamping opening 5-3 adopts a V-groove structure, which is conducive to improving the clamping range of the cable and meeting the clamping requirements of cables of different diameters; and the setting of the manual ball screw slide 5-1 provides stable and reliable clamping conditions for clamping or loosening the cable, and the clamping structure is simple and easy to operate;
[0031] The specific structure of the support 2 is as follows: the support 2 is an integrated structure consisting of a U-shaped seat with an opening facing downward and horizontal side plates arranged at both ends of the U-shaped seat and extending outward, and two waist-shaped long holes 6 are formed on the two horizontal side plates at the lower end of the support 2, wherein the waist-shaped long holes 6 are arranged parallel to the length direction of the support 2, and bolts passing through the waist-shaped long holes 6 and the through holes on the base plate 1 fix the support 2 to the base plate 1 in an adjustable position along the length direction of the base plate 1; in the above structure, by setting the waist-shaped long holes 6 on the support 2 and fixing it with the base plate 1 by bolts, an adjustable installation condition is provided for the support 2, thereby ensuring the reliability of the position between the support 2 and the electric control slide 4.
[0032] In this structure, the motor is equipped with a drilling fixture and an end face repair tool, which can drive the tool to remove the redundant materials on the cable end face through the rotation of the motor, and the motor can control the rotation speed; the cable is clamped and fixed by two clamping plates 5-22, and the stepper motor 4-1 drives the screw in the ball screw slide 4-2 to rotate in positive and negative directions, so that the slide in the ball screw slide 4-2 moves forward and backward, and the stepper motor 4-1 (a servo motor with higher precision can be used) is driven by a stepper motor driver, and the driver is connected to the controller for control, and a chamfering tool can also be installed to complete the chamfering of the cable core wire, which can meet the phase repair size with an accuracy of 0.02mm;
[0033] This technical solution has reasonable structural design, convenient operation, excellent practical use effect, the advantages of high trimming and chamfering precision, high processing efficiency, good consistency, greatly alleviating the labor intensity of workers, and has been promoted in various fields.
[0034] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.
[0035] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.
Claims
1. A phase-modification device for accurately controlling the cable size, characterized in that: The invention comprises a base plate (1), the upper surface of which is fixed with a support (2) and an electric control slide (4) located on the right side of the support (2), the movable part of the electric control slide (4) being fixedly connected to a clamping device (5) for clamping a cable, and the electric control slide (4) drives the clamping device (5) to slide along its length direction to adjust the cable trimming size, and the support (2) is provided with an end surface trimming device (3) for trimming the end of the cable clamped and fixed on the clamping device (5).
2. The phase modification device for accurately controlling cable size according to claim 1, characterized in that: The end surface trimming device (3) comprises a motor and an end surface trimming tool (3-1); the motor is fixed on a support (2), and the end surface trimming tool (3-1) is installed on an output shaft of the motor.
3. The phase modification device for accurately controlling cable size according to claim 2 is characterized in that: The end surface trimming tool (3-1) fixed on the motor output shaft can be replaced with a chamfering tool for chamfering the cable end.
4. The phase modification device for accurately controlling cable size according to claim 3 is characterized in that: The support (2) is provided with a protective cover (3-2) for covering the motor inside the support (2).
5. The phase modification device for accurately controlling cable size according to claim 1, characterized in that: The electric control slide (4) comprises a stepper motor (4-1) and a ball screw slide (4-2), wherein the ball screw slide (4-2) is fixed on a base plate (1), and the stepper motor (4-1) fixedly connected to a screw in the ball screw slide (4-2) is mounted on the right end outer wall of the ball screw slide (4-2), and the clamping device (5) is fixed on the slide of the ball screw slide (4-2), and under the drive of the stepper motor (4-1), the cable clamped on the clamping device (5) moves in a direction toward or in a direction opposite to the end surface trimming device (3).
6. The phase modification device for accurately controlling cable size according to claim 5, characterized in that: The clamping device (5) comprises a manual ball screw slide (5-1) and a clamping seat (5-2); the external thread of the screw in the manual ball screw slide (5-1) is an equal length structure of two sections with the same length and different rotation directions, and two slides are adapted to be mounted on the screw; clamping seats (5-2) with clamping openings (5-3) facing each other are installed on the two slides of the manual ball screw slide (5-1), and the clamping part of the cable is located between the clamping openings (5-3) of the clamping seats (5-2); and by rotating the hand wheel in the manual ball screw slide (5-1), the two clamping seats (5-2) can move towards each other to clamp the cable or move in the opposite direction to loosen the cable.
7. The phase modification device for accurately controlling cable size according to claim 6, characterized in that: The clamping seat (5-2) comprises a seat plate (5-21) and a clamping plate (5-22); the seat plate (5-21) is fixed to the slide of the manual ball screw slide (5-1) by a plurality of bolts, and the clamping openings (5-3) on the two clamping plates (5-22) are arranged facing each other and adapted to be fixed in a groove on the inner wall of the seat plate (5-21) on the same side.
8. The phase modification device for accurately controlling cable size according to any one of claims 1 to 7, characterized in that: The support (2) is an integrated structure consisting of a U-shaped seat with an opening facing downward and horizontal side plates arranged at both ends of the U-shaped seat and extending outward. Two waist-shaped long holes (6) are formed on the two horizontal side plates at the lower end of the support (2), and bolts passing through the waist-shaped long holes (6) and the through holes on the bottom plate (1) fix the support (2) to the bottom plate (1) in an adjustable manner along the length direction of the bottom plate (1).