Waveguide antenna automatic alignment system capable of being accurately assembled and alignment method thereof

Abstract

The invention discloses a waveguide antenna automatic alignment system capable of being accurately assembled, which comprises a monitoring mechanism, an adjusting mechanism arranged on the inner side of the monitoring mechanism and a grabbing mechanism arranged above the monitoring mechanism, and is characterized in that the adjusting mechanism comprises a base, a rotating assembly arranged on the base and a shaking assembly arranged on one side of the rotating assembly; the grabbing mechanism comprises a linear sliding rail assembly, a downward pressing piece arranged on the linear sliding rail assembly and a pneumatic suction cup arranged on the downward pressing piece. The monitoring mechanism comprises a base, a placement frame arranged on the base and a monitoring piece arranged on one side of the placement frame; the placing frame and the monitoring piece are arranged under the linear sliding rail assembly, and the monitoring piece is used for preventing a circuit board from being fixed; therefore, the overall assembly precision of the product is improved, the assembly process is accelerated through the automatic process, the production period is shortened, and the production efficiency is improved.

Description

Technical Field

[0001] The present invention relates to a field related to a waveguide antenna alignment system, and in particular to an automatic alignment system for a waveguide antenna that can be precisely assembled. Background Art

[0002] The waveguide antenna connector is indeed a key component that is responsible for efficiently transmitting the signal received or transmitted by the antenna to the circuit board or other devices. This connector usually has a sophisticated waveguide structure to ensure the efficiency and accuracy of signal transmission. This connector may contain snap-on contacts or other forms of connection mechanisms for reliable electrical connection with the interface on the circuit board. The circuit board interface is a specific area on the circuit board that is designed with an interface that matches the waveguide antenna connector. This interface usually includes metal contacts, slots or other connection mechanisms for receiving and transmitting signals from the waveguide antenna connector. The arrangement and shape of these contacts or slots usually match the contacts or plugs on the waveguide antenna connector to ensure that the two can be tightly and reliably connected together. During the connection process, the snap-on contacts (or other connection mechanisms) on one side of the waveguide antenna connector and the one side of the circuit board interface do need to be aligned first. Alignment is a key step to ensure that the two can be properly connected, which helps to avoid distortion and attenuation in signal transmission. However, the existing waveguide antennas generally have a low degree of automation in the process of assembling with the circuit board, and lack efficient automated processes and closed-loop control systems. This leads to a lengthy assembly process and extended production cycles, making it difficult to meet the market's demand for efficient and fast production. Summary of the invention

[0003] The present invention overcomes the deficiencies of the prior art and provides an automatic alignment system for waveguide antennas that can be accurately assembled.

[0004] To achieve the above object, the technical solution adopted by the present invention is: an automatic alignment system for waveguide antennas that can be accurately assembled, comprising: a monitoring mechanism, an adjustment mechanism arranged inside the monitoring mechanism, and a grasping mechanism arranged above the monitoring mechanism.

[0005] The adjustment mechanism includes: a base, a rotating assembly arranged on the base, and a shaking assembly arranged on one side of the rotating assembly; the rotating assembly and the shaking assembly are both used to adjust the angle of the waveguide antenna to align with a specific contact point of the circuit board;

[0006] The grabbing mechanism includes: a linear slide assembly, a pressing member arranged on the linear slide assembly, and a pneumatic suction cup arranged on the pressing member; the pneumatic suction cup is used to absorb the waveguide antenna, and the linear slide assembly is fixedly connected to the monitoring mechanism;

[0007] The monitoring mechanism includes: a base, a placement rack arranged on the base, and a monitoring component arranged on one side of the placement rack; the placement rack and the monitoring component are both arranged directly below the linear slide rail assembly, and the monitoring component is used to prevent the circuit board from being fixed.

[0008] In a preferred embodiment of the present invention, the rotating assembly includes a first motor, a first drive group and a rotating group. The first motor is fixedly connected to the base, and the first drive group and the rotating group are both rotatably connected to the base.

[0009] In a preferred embodiment of the present invention, the first driving group includes a first worm wheel and a first worm screw meshing with the first worm wheel, and the first worm wheel and the first worm screw are both rotatably connected to the base.

[0010] In a preferred embodiment of the present invention, the rotating group includes a sleeve shaft and a bending plate fixedly connected to the sleeve shaft, the bending plate is arranged in a U shape, the sleeve is fixedly connected to the first worm gear, and the sleeve is rotatably connected to the base.

[0011] In a preferred embodiment of the present invention, the shaking assembly includes a second motor, a second drive group and a shaking group, and the second motor is fixedly connected to the second drive group.

[0012] In a preferred embodiment of the present invention, the second driving group includes a second worm wheel, a second worm and a shaking shaft, the second material is meshed with the second worm, the shaking shaft is fixedly connected to the second worm wheel, and the shaking shaft passes through the sleeve shaft.

[0013] In a preferred embodiment of the present invention, the shaking group includes a plurality of bevel gears and a short shaft fixedly connected to the bevel gears; the bevel gears are arranged in vertical meshing, the two ends of the short shaft are slidingly connected to the bending plate, the middle of the short shaft is fixedly connected with a connecting shaft, the connecting shaft passes through the base, and the top is fixedly connected with a placement plate.

[0014] In a preferred embodiment of the present invention, the monitoring component includes a monitoring frame and infrared rangefinders arranged around the monitoring frame, and the monitoring frame is used to fix the circuit board.

[0015] In a preferred embodiment of the present invention, the monitoring frame includes a monitoring platform and support rods arranged at the bottom of the monitoring platform, the support rods are specifically hydraulic rods, the monitoring platform is hollow in the middle, a placement groove is opened on the monitoring platform, the placement groove is the same shape and size as the circuit board, and a card plate is slidably connected at the corner of the monitoring platform, and the card plate can move the diagonal of the monitoring platform.

[0016] The present invention solves the defects existing in the background technology and has the following beneficial effects:

[0017] (1) The present invention provides an automatic alignment system for waveguide antennas that can be assembled accurately. Through the coordinated use of a rotating component and a shaking component, the rotating component drives the waveguide antenna on the placement plate to rotate so that it is aligned with a specific contact point on the circuit board in terms of angle. The shaking component then moves the waveguide antenna to the bottom of the circuit board so that it is completely aligned with the specific contact point on the circuit board. Compared with the prior art, the automatic alignment system realizes high-precision positioning and assembly of the waveguide antenna, which significantly reduces the errors caused by human operation, thereby improving the overall assembly accuracy of the product. At the same time, the automated process speeds up the assembly process, shortens the production cycle, and improves production efficiency.

[0018] (2) The present invention provides an automatic alignment system for waveguide antennas that can be assembled accurately. The adjustment mechanism and the monitoring mechanism cooperate with each other, and the alignment process of the adjustment mechanism is monitored in real time by using an infrared rangefinder, and the adjustment is performed. This enables the position deviation information to be measured and fed back in real time and accurately during the alignment operation of the adjustment mechanism. Based on these real-time data, the system can intelligently adjust the adjustment mechanism to ensure that the waveguide antenna assembly can quickly and accurately reach the predetermined assembly position. This not only greatly improves the accuracy and efficiency of assembly, but also effectively avoids the cumulative errors that may occur in the traditional assembly process through the closed-loop control of real-time monitoring and real-time adjustment, thereby providing a new solution for the accurate assembly of waveguide antennas. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art are briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in the present invention. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative work.

[0020] Figure 1 is a three-dimensional structural diagram of a preferred embodiment of the present invention;

[0021] Figure 2 is a schematic diagram of the structure of the adjustment mechanism of a preferred embodiment of the present invention;

[0022] In the figure:

[0023] 1. Monitoring mechanism; 10. Base; 11. Placement rack; 12. Monitoring component; 13. Testing table; 14. Card board; 15. Placement slot;

[0024] 2. Adjustment mechanism; 20. Base; 21. Rotation assembly; 210. First motor; 211. First drive group; 212. Sleeve shaft; 213. Bending plate; 22. Shaking assembly; 221. Second motor; 222. Second drive group; 223. Shaking shaft; 224. Bevel gear; 225. Short shaft; 226. Placement plate;

[0025] 3. Grabbing mechanism; 30. Linear guide rail assembly; 31. Pressing member. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0027] In the following description, many specific details are set forth to facilitate a full understanding of the present invention, but the present invention may also be implemented in other ways different from those described herein. Therefore, the protection scope of the present invention is not limited to the specific embodiments disclosed below.

[0028] In the description of the present application, it should be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, rather than indicating or implying 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 scope of protection of the present application. In addition, the terms "first", "second", etc. are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, features defined as "first", "second", etc. may explicitly or implicitly include one or more of the features. In the description of the invention, unless otherwise specified, "multiple" means two or more.

[0029] In the description of this application, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood by specific circumstances.

[0030] As shown in the figure, an automatic alignment system for waveguide antennas that can be accurately assembled includes: a monitoring mechanism, an adjustment mechanism arranged inside the monitoring mechanism, and a grasping mechanism arranged above the monitoring mechanism.

[0031] It should be noted that the adjusting mechanism is mainly arranged on the inner side of the bottom of the monitoring mechanism, and the grabbing mechanism is arranged on the outer side above the monitoring mechanism. The grabbing mechanism is used to grab the waveguide antenna and move the waveguide antenna to the adjusting mechanism. Then, the adjusting mechanism adjusts the angle of the waveguide antenna and places the circuit board on the monitoring mechanism at the same time so that the waveguide antenna is aligned with the circuit board.

[0032] The adjustment mechanism includes: a base, a rotating assembly arranged on the base, and a shaking assembly arranged on one side of the rotating assembly; the rotating assembly and the shaking assembly are both used to adjust the angle of the waveguide antenna to align with a specific contact point of the circuit board;

[0033] In the present invention, the rotating assembly includes a first motor, a first drive group and a rotating group. The first motor is fixedly connected to the base, and the first drive group and the rotating group are both rotatably connected to the base; the first drive group includes a first worm gear and a first worm meshing with the first worm gear, and the first worm gear and the first worm are both rotatably connected to the base; the rotating group includes a sleeve and a bending plate fixedly connected to the sleeve, the bending plate is U-shaped, the sleeve is fixedly connected to the first worm gear, and the sleeve is rotatably connected to the base.

[0034] It should be noted that the base is arranged in an n shape, and is fixedly connected to the base at two end points. The first drive group is arranged on the inner side of the n shape of the base, and the first worm wheel and the first worm are meshingly arranged. The first worm wheel and the first worm are both rotatably connected to the base. The sleeve bearing is hollow, and its two ends are respectively fixedly connected to the first worm wheel and the bending plate, and the middle position of the sleeve shaft passes through the horizontal middle position of the top of the base. The first motor is a servo motor, which is fixedly connected to the base. At the same time, the output shaft of the first motor is fixedly connected to the first worm, so that the first motor rotates forward and reversely, and the sleeve shaft drives the first worm wheel and the first worm to rotate forward and reverse, thereby driving the bending plate to rotate forward and reverse in the horizontal direction.

[0035] In the present invention, the shaking assembly includes a second motor, a second drive group and a shaking group, the second motor is fixedly connected to the second drive group; the second drive group includes a second worm gear, a second worm and a shaking shaft, the second material is meshed with the second worm, the shaking shaft is fixedly connected to the second worm gear, and the shaking shaft passes through the sleeve shaft; the shaking group includes a plurality of bevel gears, and a short shaft fixedly connected to the bevel gears; the bevel gears are vertically meshed, the two ends of the short shaft are slidably connected to the bending plate, the middle of the short shaft is fixedly connected with a connecting shaft, the connecting shaft passes through the base, and the top is fixedly connected with a placement plate.

[0036] It should be noted that the second driving group is also arranged on the inner side of the N-shape of the base, the second worm and the second worm wheel are also meshingly arranged and rotatably connected to the base, the second worm wheel is arranged directly below the first worm wheel, and the second worm is arranged on the side symmetrical to the first worm wheel on the base, the rocking shaft is fixedly connected to the second worm wheel, and the rocking shaft passes through the center of the first worm wheel and is located in the hollow part on the inner side of the sleeve shaft; there are two bevel gears, which are also meshingly arranged, and the two bevel gears are vertically meshingly arranged, the horizontally arranged bevel gear is fixedly connected to the connecting shaft, the center of the vertically arranged bevel gear is fixedly connected to the short shaft, and the two ends of the short shaft are slidably connected to the bending plate, and the middle of the axial direction of the short shaft is fixedly connected to the connecting shaft. The output of the second motor is fixedly connected to the second worm gear, and the second motor is a servo motor, so that the positive and negative rotation of the second motor drives the positive and negative rotation of the shaking shaft through the second worm gear and the second worm gear, and drives the angular displacement of the connecting shaft through the vertically arranged bevel gear, so that as the second motor reciprocates positive and negative rotation, the angle of the connecting shaft is driven to deviate left and right, thereby driving the placement plate to shake left and right in the vertical direction. The placement plate is arranged in a long strip shape, and the middle cross-section is arranged in a U shape. The width of the inner recess is just enough to accommodate a waveguide antenna. As the placement plate shakes left and right, it drives the waveguide antenna to slide down or shake, so that the waveguide antenna is aligned with the circuit board.

[0037] The grabbing mechanism includes: a linear slide assembly, a pressing member arranged on the linear slide assembly, and a pneumatic suction cup arranged on the pressing member; the pneumatic suction cup is used to absorb the waveguide antenna, and the linear slide assembly is fixedly connected to the monitoring mechanism;

[0038] It should be noted that the linear slide assembly includes a support frame, a slide rail, a slider slidably connected to the slide rail, and a slide plate fixedly connected to the slider. The slide rail is fixed on both sides of the support frame. At the same time, two synchronous wheels are fixedly connected to one side of the support frame. A synchronous motor is fixedly connected to the bottom of one of the synchronous wheels. A synchronous belt is arranged on the synchronous wheel. At the same time, the synchronous belt is fixedly connected to the slider. As the synchronous motor reciprocates, the slide plate is driven to move forward and backward through the slider. The lower pressure piece is fixedly connected to the top of the slide plate, and a pneumatic suction cup is fixedly connected to the bottom of the lower pressure piece; the pneumatic suction cup includes a suction cup body, a suction cup pad, a suction cup base, an air pipe and an air control valve. The pneumatic suction cup uses the air pressure difference and the force generated by the gas flow to achieve the purpose of adsorbing the waveguide antenna. When the air pressure control unit opens the air source supply, the gas enters the small hole of the suction cup body from the air pipe. Since the bottom of the suction cup body is sealed, the gas can only flow out through the opening at the top of the suction cup, thereby forming an area with lower air pressure above the suction cup. At the same time, the atmospheric pressure acts on the outside of the suction cup, so that the air pressure at the bottom of the suction cup is relatively high. Therefore, an air pressure difference is formed above the suction cup, and a downward adsorption force is generated between the suction cup and the object. When the suction cup contacts the object, a sealed space is formed between the surface of the object and the gas above the suction cup. At this time, the air pressure above the suction cup is lower than the air pressure outside the suction cup, and the adsorption force generated by the suction cup can firmly adsorb the object on the suction cup. When the air pressure control unit turns off the air source, the air pressure above the suction cup is equal to the external air pressure, the adsorption force on the suction cup will disappear, and the object will detach from the suction cup. This object is a waveguide antenna, and the suction cup base is fixedly connected to the bottom of the lower pressure piece. After that, the waveguide antenna is driven to move back and forth through the linear slide assembly.

[0039] The monitoring mechanism includes: a base, a placement rack arranged on the base, and a monitoring component arranged on one side of the placement rack; the placement rack and the monitoring component are both arranged directly below the linear slide rail assembly, and the monitoring component is used to prevent the circuit board from being fixed. The present invention provides an automatic alignment system for waveguide antennas that can be accurately assembled.

[0040] In a preferred embodiment of the present invention, the monitoring component includes a monitoring frame and infrared rangefinders arranged around the monitoring frame, and the monitoring frame is used to fix the circuit board.

[0041] It should be noted that the infrared rangefinder is a phase-type photoelectric rangefinder that uses infrared light as a light source. It uses the constant propagation speed of infrared rays in the air to calculate the distance from the object to the instrument by measuring the time difference between the transmitted and received signals. The working principle of the infrared rangefinder is mainly based on the principle of non-diffusion during infrared propagation. During operation, infrared rays are emitted from the rangefinder, reflected back after hitting the waveguide antenna or circuit board, and received by the rangefinder. According to the time from the emission to the reception of infrared rays and the propagation speed of infrared rays, the distance can be calculated. Specifically, the main control oscillator of the rangefinder generates a modulated signal frequency, which is amplified and added to the light-emitting tube, and then modulated by current to emit infrared modulated light. The infrared light is emitted from the transmitting optical system to the reflector. After reflection, the return light is received by the receiving optical system and reaches the photosensitive diode. After photoelectric conversion, a high-frequency ranging signal is obtained. In the automated infrared rangefinder, a logic instruction circuit is also provided for program control.

[0042] In a preferred embodiment of the present invention, the monitoring frame includes a monitoring platform and support rods arranged at the bottom of the monitoring platform, the support rods are specifically hydraulic rods, the monitoring platform is hollow in the middle, a placement groove is opened on the monitoring platform, the placement groove is the same shape and size as the circuit board, and a card plate is slidably connected at the corner of the monitoring platform, and the card plate can move the diagonal of the monitoring platform.

[0043] It should be noted that the monitoring frame includes a monitoring platform and a support rod. The support rod is provided with four corners fixedly connected to the monitoring platform respectively. The bottom of the support rod is fixedly connected to the base, and the support rod is a hydraulic rod. As the support rod contracts, the monitoring platform is driven to move up and down. A placement slot is provided on the monitoring platform. The shape and size of the placement slot are the same as those of the circuit board. A card plate is slidably connected to the corner of the top of the monitoring platform. The card plate can move along the diagonal of the monitoring platform. When working, the circuit board is placed in the placement slot, and the card plate is moved to fix the circuit board in the placement slot.

[0044] A method for automatically aligning a waveguide antenna that can be accurately assembled includes the following steps:

[0045] Place several waveguide antennas on the placement rack, use the pneumatic suction cup to absorb the waveguide antenna, use the linear slide rail assembly to move the absorbed waveguide antenna to the hollow part of the test bench, place the waveguide antenna on the placement plate through the hollow part, and place the circuit board on the test bench; rotate the rotating assembly to adjust the angle of the waveguide antenna, then rotate the shaking assembly to adjust the position of the waveguide antenna, and at the same time, the infrared rangefinder monitors the position of the waveguide antenna and the circuit board in real time until the specific contact points on the two are aligned; after the infrared rangefinder detects that they are fully aligned, the test bench drives the circuit board to press down, and assembles the circuit board and the waveguide antenna.

[0046] In the present invention, the rotating component and the shaking component are respectively used to adjust the angles of the waveguide antenna in two dimensions.

[0047] It should be noted that the alignment system is also provided with a main control unit, a sensor module, an execution module and an interaction module. The main control unit is the core of the system and is responsible for receiving operation instructions, processing sensor data, and coordinating the work of each execution module. The infrared rangefinder in the sensor module monitors the distance between the waveguide antenna and the circuit board in real time to ensure that the specific contact points on the two can be accurately aligned. The execution module includes a pneumatic suction cup, a linear slide assembly, a rotating assembly, a shaking assembly and a test bench, etc., which are respectively responsible for adsorbing the waveguide antenna, moving the waveguide antenna to the test bench, adjusting the angle and position of the waveguide antenna, and the final downward assembly action. The human-computer interaction module provides an interactive interface between the operator and the control system, so that the operator can easily control the entire assembly process and understand the system status in real time. Through such fine design and control, the system can achieve efficient and precise assembly of the waveguide antenna and the circuit board.

[0048] When the present invention is in use, the linear slide rail assembly drives the lower pressing part and the pneumatic suction cup to move to the top of the placement rack, and the placement rack is used to place the waveguide antenna, and then the lower pressing part is pressed down to drive the pneumatic suction cup to move above the waveguide antenna, contact the waveguide antenna, and absorb the waveguide antenna through the pneumatic suction cup, and then the lower pressing part moves up, and drives the waveguide antenna to move above the monitoring platform through the linear slide rail assembly, and places the waveguide antenna on the placement disk through the hollow position above the monitoring platform, and then rotates through the rotating assembly to drive the bending plate to rotate, and at the same time, the bending plate is slidably connected with the short shaft, and then the short shaft drives the connecting shaft and the placement disk to rotate, thereby driving the waveguide antenna on the placement disk to rotate, so that the direction angle of the specific contact point on the waveguide antenna and the circuit board is consistent, and at the same time, during the rotation process, because the adjustment mechanism uses two sets of worm gears for joint adjustment, during the rotation of the worm gear, only the worm can drive the worm wheel, and during the rotation of the rotating assembly, it will drive the meshing bevel gear to rotate, thereby causing the placement disk to have an angular deviation, so that during the rotation During the rotation process, in order to resist this deviation, the shaking component also rotates at the same time, so that the placement plate is always horizontal. After the waveguide antenna is adjusted to the same direction and angle as the specific contact point on the circuit board, the shaking component shakes back and forth, so that the waveguide antenna slides down to align with the specific contact point on the circuit board. At the same time, the angle adjustment and alignment process is monitored in real time through an infrared rangefinder to avoid deviation. After that, the support rod is pressed down to connect the waveguide antenna to the specific contact point on the circuit board through a snap-on connector.

[0049] The above is based on the ideal embodiment of the present invention. Through the above description, relevant personnel can make various changes and modifications without departing from the technical concept of the present invention. The technical scope of the present invention is not limited to the content in the specification, and the technical scope must be determined according to the scope of the claims.

Claims

1. An automatic alignment system for waveguide antennas capable of precise assembly, comprising: A monitoring mechanism, an adjusting mechanism arranged inside the monitoring mechanism, and a grabbing mechanism arranged above the monitoring mechanism, characterized in that: The adjustment mechanism includes: a base, a rotating assembly arranged on the base and a shaking assembly arranged on one side of the rotating assembly; the rotating assembly and the shaking assembly are both used to adjust the angle of the waveguide antenna to align with a specific contact point of the circuit board; The grabbing mechanism comprises: a linear slide assembly, a pressing member arranged on the linear slide assembly, and a pneumatic suction cup arranged on the pressing member; the pneumatic suction cup is used to absorb the waveguide antenna, and the linear slide assembly is fixedly connected to the monitoring mechanism; The monitoring mechanism includes: a base, a placement rack arranged on the base, and a monitoring component arranged on one side of the placement rack; the placement rack and the monitoring component are both arranged directly below the linear slide rail assembly, and the monitoring component is used to prevent the circuit board from being fixed.

2. According to claim 1, the automatic alignment system for waveguide antennas capable of accurate assembly is characterized by: The rotating assembly includes a first motor, a first driving group and a rotating group. The first motor is fixedly connected to the base, and the first driving group and the rotating group are both rotatably connected to the base.

3. The waveguide antenna automatic alignment system capable of accurate assembly according to claim 2, characterized in that: The first driving group includes a first worm wheel and a first worm screw meshing with the first worm wheel, and the first worm wheel and the first worm screw are both rotatably connected to the base.

4. The automatic alignment system for waveguide antennas capable of accurate assembly according to claim 3, characterized in that: The rotating group includes a sleeve shaft and a bending plate fixedly connected to the sleeve shaft, the bending plate is arranged in a U shape, the sleeve is fixedly connected to the first worm gear, and the sleeve is rotatably connected to the base.

5. The automatic alignment system for waveguide antennas capable of accurate assembly according to claim 4, characterized in that: The shaking assembly includes a second motor, a second drive group and a shaking group, and the second motor is fixedly connected to the second drive group.

6. The waveguide antenna automatic alignment system capable of accurate assembly according to claim 5, characterized in that: The second driving group includes a second worm wheel, a second worm and a shaking shaft. The second material is meshed with the second worm. The shaking shaft is fixedly connected to the second worm wheel, and the shaking shaft passes through the sleeve shaft.

7. The waveguide antenna automatic alignment system capable of accurate assembly according to claim 5, characterized in that: The shaking group includes a plurality of bevel gears and a short shaft fixedly connected to the bevel gears; the bevel gears are arranged in vertical meshing, the two ends of the short shaft are slidably connected to the bending plate, the middle of the short shaft is fixedly connected with a connecting shaft, the connecting shaft passes through the base, and the top is fixedly connected with a placement plate.

8. The waveguide antenna automatic alignment system capable of accurate assembly according to claim 1, characterized in that: The monitoring device includes a monitoring frame and infrared rangefinders arranged around the monitoring frame, and the monitoring frame is used to fix the circuit board; the monitoring frame includes a monitoring platform and support rods arranged at the bottom of the monitoring platform, and the support rods are specifically hydraulic rods. The monitoring platform is hollow in the middle, and a placement groove is opened on the monitoring platform. The placement groove is the same shape and size as the circuit board. A card plate is slidably connected to the corner of the monitoring platform, and the card plate can move diagonally of the monitoring platform.

9. An automatic alignment method for waveguide antennas that can be assembled accurately, based on the alignment method of the alignment system described in claims 1-8, characterized in that: The steps include: S1: Place several waveguide antennas on the placement rack, the pneumatic suction cup adsorbs the waveguide antennas, the linear guide rail assembly moves the adsorbed waveguide antennas to the hollow part of the test bench, and the waveguide antennas are placed on the placement plate through the hollow part, and the circuit board is placed on the test bench; S2: Rotate the rotating component to adjust the angle of the waveguide antenna, then rotate the shaking component to adjust the position of the waveguide antenna. At the same time, the infrared rangefinder monitors the position of the waveguide antenna and the circuit board in real time until the specific contact points on the two are aligned; S3: After the infrared rangefinder detects that it is fully aligned, the test bench drives the circuit board to press down and assemble the circuit board and waveguide antenna.

10. The method for automatically aligning a waveguide antenna capable of being assembled accurately according to claim 9, characterized in that: In S2, the rotating component and the shaking component are respectively used to adjust the angle of the waveguide antenna in two dimensions.

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