CN112327131A

CN112327131A - RF antenna's test fixture

Info

Publication number: CN112327131A
Application number: CN202010981791.6A
Authority: CN
Inventors: 戚全龙
Original assignee: Suzhou Runmingen Electronic Technology Co ltd
Current assignee: Suzhou Runmingen Electronic Technology Co ltd
Priority date: 2020-09-17
Filing date: 2020-09-17
Publication date: 2021-02-05
Anticipated expiration: 2040-09-17
Also published as: CN112327131B

Abstract

The invention discloses a test fixture of an RF antenna, which relates to the technical field of detection devices and aims at solving the problems of low detection efficiency and high manual strength of the prior art, the invention provides a scheme that the test fixture comprises a base, wherein the upper side of the base is connected with a mounting plate in a sliding way through a sliding rail, the lower side of the mounting plate is fixedly connected with a first pneumatic cylinder which is sleeved with the base, the upper side of the mounting plate is fixedly connected with a plurality of second pneumatic cylinders, the output end of each second pneumatic cylinder is fixedly connected with a working plate, one side of the working plate is fixedly connected with a stabilizing plate, the stabilizing plate is connected with a sheave mechanism, and the middle of the sheave mechanism is fixedly connected with a rotating shaft which is rotatably connected with the stabilizing plate. And then make working strength reduce, make whole work efficiency increase simultaneously, the going on of adaptation production.

Description

RF antenna's test fixture

Technical Field

The invention relates to the technical field of detection devices, in particular to a test fixture for an RF antenna.

Background

An RF antenna is a device that can generate electromagnetic waves radiated into a space, and in existing wireless devices such as current mobile communication devices, the RF antenna for mobile communication is generally integrated into an integrated circuit board.

The existing RF antenna generally needs to be detected after production to guarantee basic performance, the existing device generally places the antenna on a detection jig manually, then detects, then manually takes out, more manpower is used in the whole process, the efficiency is low, and in-process of detecting many times, the device can not be well initialized, and then experimental data of the test have certain errors, and the quality of a final product is influenced.

Disclosure of Invention

The RF antenna test fixture provided by the invention solves the problems of low detection efficiency and high manual strength.

In order to achieve the purpose, the invention adopts the following technical scheme:

a test fixture for RF antennas comprises a base, wherein the upper side of the base is connected with a mounting plate in a sliding manner through a sliding rail, the lower side of the mounting plate is fixedly connected with a first pneumatic cylinder which is sleeved with the base, the upper side of the mounting plate is fixedly connected with a plurality of second pneumatic cylinders, the output end of each second pneumatic cylinder is fixedly connected with a working plate, one side of each working plate is fixedly connected with a stabilizing plate, a sheave mechanism is connected onto each stabilizing plate, the middle of each sheave mechanism is fixedly connected with a rotating shaft which is rotatably connected with the stabilizing plate, the outer wall of each rotating shaft is fixedly sleeved with a working ring, the working ring is provided with a plurality of working grooves, clamping devices and electrifying devices are arranged in the working grooves, one side of each working groove is provided with a detection device which is positioned in the working ring, and two sides of each working ring are provided with, the protection box is internally and fixedly connected with a signal generator, one side of the working ring is fixedly connected with a plurality of conductive arcs, the conductive arcs are rotatably connected with a contact device fixedly connected with the stabilizing plate, a blanking device fixedly connected with the working plate is arranged below the working ring, and limiting sleeves fixedly connected with the working plate are arranged on two sides of the blanking device.

Preferably, the clamping device comprises a plurality of sliding plates which are slidably connected with the working ring, a first telescopic rod is fixedly connected to one side of each sliding plate, a fixing frame is fixedly connected to the output end of each first telescopic rod, a vibration sensor is fixedly connected to one side of the fixing frame, a second telescopic rod is fixedly connected to the upper side of the fixing frame, a sealing plate which is slidably sleeved with the fixing frame is fixedly connected to the output end of the second telescopic rod, a pressure sensor is fixedly connected to the sealing plate and the fixing frame, a plurality of springs are fixedly connected to one side of the pressure sensor, and a balance plate is fixedly connected to the other end of each spring.

Preferably, a moving groove communicated with the working groove is formed in the working ring, the sliding plate and the first telescopic rod are both located in the moving groove, the sliding plate is connected with the groove wall of the moving groove in a sliding mode, a first limiting groove communicated with the moving groove is formed in the working ring, and a first limiting bolt located in the first limiting groove is sleeved on the sliding plate in a threaded mode.

Preferably, the electrifying device comprises two first sliding blocks which are in sliding connection with the working ring, the two first sliding blocks are in threaded sleeve connection with second limiting bolts, the upper ends of the two first sliding blocks are connected with moving rods, the moving rods are in sliding sleeve connection with second sliding blocks, third telescopic rods which are fixedly connected with the upper sides of the second sliding blocks are provided with third telescopic rods, the output ends of the third telescopic rods are fixedly connected with contact blocks, and third limiting bolts which are in sliding sleeve connection with the moving rods are in threaded sleeve connection with the two sides of the second sliding blocks.

Preferably, a second limiting groove communicated with the working groove is formed in the working ring, the second limiting bolt and the first sliding block are located in the second limiting groove, a third limiting groove is formed in the moving rod, and the second sliding block and the third limiting bolt are located in the third limiting groove.

Preferably, detection device include with work circle fixed connection's first PLC controller, one side of first PLC controller is provided with the stand-by power supply with work circle fixed connection, stand-by power supply's top is provided with the signal receiver with work circle fixed connection.

Preferably, the blanking device comprises a material guide foot fixedly connected with the working plate, the two classifying tubes are fixedly connected with the lower side of the material guide foot, a motor is fixedly connected with one side of the material guide foot, a rotating shaft which is rotatably connected with the material guide foot through a shaft coupling fixedly connected with is fixed at the output end of the motor, a guide plate which is positioned in the material guide foot is fixedly sleeved on the outer wall of the rotating shaft, and the guide plate is positioned above the classifying tubes.

Preferably, the upper side fixedly connected with two support frames of working plate, the top roll connection of support frame has a plurality of balls, ball and working circle roll connection.

Preferably, the output fixedly connected with buffer board of first pneumatic cylinder, a plurality of universal wheels of downside fixedly connected with of base, the upside fixedly connected with second PLC controller of mounting panel.

Preferably, one end of the limiting sleeve is fixedly connected with a laser sensor, one side of the limiting sleeve is provided with a plurality of limiting holes, and the cross section of the limiting sleeve is of a hexagonal structure.

The invention has the beneficial effects that:

1: with mutually supporting between each device, can fix, detect, judge, categorised the discharge automatically in less space for whole in-process, artifical participation is less, and then makes working strength reduce, makes whole work efficiency increase simultaneously, adapts to going on of production.

2: through mutually supporting between a plurality of devices, can conveniently carry out the removal and the fixing of device, further cooperation and the injecing through other devices guarantee the stability of device work, detect every time simultaneously and all carry out the work of initializing, guarantee the truth and the stability of data, guarantee the accuracy of testing result.

Drawings

Fig. 1 is a schematic front cross-sectional view of a test fixture for an RF antenna according to the present invention;

FIG. 2 is a right cross-sectional view of a RF antenna test fixture according to the present invention;

fig. 3 is a schematic left-side cross-sectional view of a test fixture for an RF antenna according to the present invention;

FIG. 4 is a schematic front view of a clamping device of a test fixture for RF antennas according to the present invention;

fig. 5 is a schematic front cross-sectional view of a power-on device of a test fixture for an RF antenna according to the present invention;

fig. 7 is an enlarged schematic view of a position a of a test fixture for an RF antenna according to the present invention;

fig. 6 is an enlarged schematic view of a test fixture for an RF antenna according to the present invention at position B.

Reference numbers in the figures: 1. a base; 2. a first pneumatic cylinder; 3. mounting a plate; 4. a second pneumatic cylinder; 5. a second PLC controller; 6. a motor; 7. a stabilizing plate; 8. a sheave mechanism; 9. a contact device; 10. a signal receiver; 11. a standby power supply; 12. a first PLC controller; 13. A first limiting groove; 14. a working groove; 15. a power-on device; 16. a moving groove; 17. a clamping device; 18. a rotating shaft; 19. a working ring; 20. a working plate; 21. a material guiding foot; 22. a classification tube; 23. a universal wheel; 24. a protective box; 25. conducting an electric arc; 26. a limiting sleeve; 27. a support frame; 28. a signal generator; 29. a guide plate; 170. a first limit bolt; 171. a fixed mount; 172. a pressure sensor; 173. a spring; 174. a balance plate; 175. a vibration sensor; 176. a sliding plate; 177. a first telescopic rod; 178. a second telescopic rod; 179. a sealing plate; 151. a second limiting groove; 152. a second limit bolt; 153. a first slider; 154. a travel bar; 155. a third limit bolt; 156. a second slider; 157. a third telescopic rod; 158. A contact block; 159. a third defining slot.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-7, a test fixture for RF antenna comprises a base 1, a mounting plate 3 slidably connected to the upper side of the base 1 through a slide rail, a first pneumatic cylinder 2 connected to the lower side of the mounting plate 3, a plurality of second pneumatic cylinders 4 fixedly connected to the upper side of the mounting plate 3, a working plate 20 fixedly connected to the output end of the second pneumatic cylinders 4, a stabilizing plate 7 fixedly connected to one side of the working plate 20, a geneva mechanism 8 connected to the stabilizing plate 7, a rotating shaft 18 rotatably connected to the stabilizing plate 7 and fixedly connected to the middle of the geneva mechanism 8, a working ring 19 fixedly connected to the outer wall of the rotating shaft 18, a plurality of working grooves 14 disposed on the working ring 19, a clamping device 17 and an energizing device 15 disposed in the working groove 14, a detecting device disposed in the working ring 19 and disposed on one side of the working groove 14, and protection boxes 24 fixedly connected to the working plate 20 and disposed on both sides of the working ring 19, the signal generator 28 is fixedly connected in the protective box 24, the plurality of conductive arcs 25 are fixedly connected to one side of the working ring 19, the conductive arcs 25 are rotatably connected with the contact device 9 fixedly connected with the stabilizing plate 7, the blanking device fixedly connected with the working plate 20 is arranged below the working ring 19, and the limiting sleeves 26 fixedly connected with the working plate 20 are arranged on two sides of the blanking device.

When the antenna is in operation, the device is moved to a designated position, then the power supply is switched on, then the first pneumatic cylinder 2 is controlled to operate, the mounting plate 3 is lifted, the whole device is lifted, the stability of the placement of the whole device is ensured, then the second telescopic rod 4 is controlled according to requirements, the working plate 20 is lifted, further the working ring 19 reaches the designated position, meanwhile, the position of the electrifying device 15 is adjusted according to requirements, the preparation work is completed, then the processed antenna is transferred to the upper part of the working groove 14 through the mechanical arm, at the moment, the antenna is clamped through the clamping device 17, meanwhile, the working groove 14 is matched with the working of the geneva mechanism 8 to periodically rotate, the working groove 14 initially positioned at the top enters the protective box 24 at one side along with the rotation, and the protective box 24 is used for signal isolation, guarantee the accuracy of test, detection through detection device, realize the output of data, then according to the output of data, confirm the quality of antenna, when work groove 14 rotates to the lowest, clamping device 17 loosens, then discharge from unloader, realize the ejection of compact, then work groove 14 rotates the position that opposite side and protective housing 24 contacted once more, signal generator 28 work in protective housing 24 this moment, send reference signal, detection device receives reference signal, carry out the work of initialization, at last along with rotating once more, work groove 14 rotates to the highest position, carry out cycle work.

The clamping device 17 comprises a plurality of sliding plates 176 slidably connected with the working ring 19, one side of the sliding plate 176 is fixedly connected with a first telescopic rod 177, the output end of the first telescopic rod 177 is fixedly connected with a fixed frame 171, one side of the fixed frame 171 is fixedly connected with a vibration sensor 175, the upper side of the fixed frame 171 is fixedly connected with a second telescopic rod 178, the output end of the second telescopic rod 178 is fixedly connected with a sealing plate 179 slidably sleeved with the fixed frame 171, the sealing plate 179 and the fixed frame 171 are fixedly connected with a pressure sensor 172, one side of the pressure sensor 172 is fixedly connected with a plurality of springs 173, the other end of the springs 173 is fixedly connected with a balance plate 174, the working ring 19 is internally provided with a moving groove 16 communicated with the working groove 14, the sliding plates 176 and the first telescopic rods 177 are both positioned in the moving groove 16, and, the working ring 19 is provided with a first limiting groove 13 communicated with the moving groove 16, and a first limiting bolt 170 positioned in the first limiting groove 13 is sleeved on the sliding plate 176 in a threaded manner.

The movement of the sliding plate 176 is limited by a plurality of degrees of freedom through the moving slot 16, during the production process of antennas with different sizes, the sliding plate 176 can be moved to drive each device on the sliding plate 176 to move, so as to realize adjustment, meet the requirement of clamping antennas with different specifications, then the sliding plate 176 is fixed through the action of the first limiting bolt 170 to complete adjustment, meanwhile, the first limiting slot 13 ensures the movement of the first limiting bolt 170, during the clamping process, the external mechanical arm/mechanical arm and the like move and transport the antenna raw materials to a plurality of fixed frames 171, at the moment, through the control of the detection device, the telescopic rod 177 periodically extends to enable four corners of the antenna element to enter the fixed frames 171, and meanwhile, during the clamping process, the second telescopic rod 178 operates and retracts to further move the sealing plate 179, in order to guarantee the fixed of upper portion, at fixed in-process, the antenna element at first contacts balance plate 174 for the atress is comparatively even, simultaneously through spring 173's buffering, avoids colliding, simultaneously through spring 173 to the transmission of force, makes pressure sensor 172 atress, gives detection device with signal transmission, avoids extrusion transition, and vibrations sensor 175 detects the vibrations intensity and the frequency of whole during operation simultaneously, gives certain auxiliary data of later stage signal processing.

The electrifying device 15 comprises two first sliding blocks 153 which are in sliding connection with the working ring 19, a second limiting bolt 152 is sleeved on each of the two first sliding blocks 153 in a threaded manner, a moving rod 154 is connected to the upper ends of the two first sliding blocks 153, a second sliding block 156 is sleeved on each of the moving rods 154 in a sliding manner, a third telescopic rod 157 is fixedly connected to the upper side of each of the second sliding blocks 156, a contact block 158 is fixedly connected to the output end of each of the third telescopic rods 157, third limiting bolts 155 are sleeved on the two sides of each of the second sliding blocks 156 in a threaded manner and are in sliding connection with the moving rods 154 in a sliding manner, a second limiting groove 151 communicated with the working groove 14 is formed in the working ring 19, the second limiting bolt 152 and the first sliding blocks 153 are located in the second limiting groove 151, a third limiting groove 159 is formed in the moving rods 154, and the third limiting bolts 159 are located in the second sliding blocks 156 and the third limiting.

After the clamping device 17 is adjusted, the first sliding block 153 is fixed within a certain degree of freedom through the second limiting groove 151 on the working ring 19, then the second limiting bolt 152 is used for fixing, the second sliding block 156 is moved after the first limiting groove 151 is used for moving the second sliding block 156 in the second limiting groove 151 to reach a specified position, finally the third limiting bolt 155 is used for fixing, initial adjustment is completed, and when the signal transmitted by the detection device is received during operation, the third telescopic rod 157 extends to drive the contact block 158 to move to contact with a conductive contact point of the antenna element, so that power supply is guaranteed.

Detection device includes the first PLC controller 12 with work circle 19 fixed connection, one side of first PLC controller 12 is provided with stand-by power supply 11 with work circle 19 fixed connection, stand-by power supply 11's top is provided with the signal receiver 10 with work circle 19 fixed connection, first PLC controller is after outside personnel input instruction, can carry out the conveying of each instruction, stand-by power supply 11 can guarantee under the condition of outage suddenly, can take out the raw materials, reduce the electric current pulse, guarantee the safety of raw materials, signal receiver 10 collects and handles the signal that produces or spreads through the antenna, guarantee the output of data.

The blanking device comprises a material guide foot 21 fixedly connected with the working plate 20, two classifying tubes 22 fixedly connected with the lower side of the material guide foot 21, a motor 6 fixedly connected with one side of the material guide foot 21, a rotating shaft fixedly connected with the output end of the motor 6 and rotatably connected with the material guide foot 21 through a shaft coupler, a guide plate 29 positioned in the material guide foot 21 is fixedly sleeved on the outer wall of the rotating shaft, and the guide plate 29 is positioned above the classifying tubes 22.

When the working groove 14 rotates to the lower part, the clamping device 17 is loosened, the fixing frame 171 is moved, the antenna elements are loosened, under the action of gravity, the antenna elements fall down and fall into the material guide feet 21, and are discharged from the classifying pipe 22 through the guidance of the material guide feet 21 and the guide plate 29, when the device works, the whole device is not adjusted through judgment according to output signals when the antenna elements meet the requirements for discharging, when the device judges as a defective product, the motor 6 is controlled to drive the rotating shaft to rotate, the guide plate 29 is further driven to rotate, the electric appliance elements are discharged from another classifying pipe 22, discharging at different positions is realized, and classification is realized.

Two support frames 27 are fixedly connected to the upper side of the working plate 20, a plurality of balls are connected to the top of the support frames 27 in a rolling mode, the balls are connected with the working ring 19 in a rolling mode, the support frames 27 support the working ring 19, and friction is reduced through the balls.

Output end fixedly connected with buffer board of first pneumatic cylinder 2, the downside fixedly connected with of base 1 has a plurality of universal wheels 23, the upside fixedly connected with second PLC controller 5 of mounting panel 3, and the buffer board increases friction, reduces and strikes, and second PLC controller 5 coordinates the control of carrying on of whole device.

One end of the limiting sleeve 26 is fixedly connected with a laser sensor, one side of the limiting sleeve 26 is provided with a plurality of limiting holes, the cross section of the limiting sleeve 26 adopts a hexagonal structure, and the laser sensor is used for positioning the working sleeve 26.

The working principle is as follows: when the device works, firstly, the device is moved to a specified position, then the power supply is switched on, then the first pneumatic cylinder 2 is controlled to work, the mounting plate 3 is lifted, the whole device is lifted, the placing stability of the whole device is ensured, then the second telescopic rod 4 is controlled according to the requirement, the working plate 20 is lifted, further the working ring 19 reaches the specified position, meanwhile, the sliding plate 176 is moved according to the requirement, further, the devices on the sliding plate 176 are driven to move, the adjustment is realized, the requirement of clamping the specification antenna is met, then, the sliding plate 176 is fixed through the action of the first limiting bolt 170, the adjustment is completed, meanwhile, the first limiting groove 13 ensures the movement of the first limiting bolt 170, meanwhile, the first sliding block 153 is enabled to be fixed within a certain degree of freedom through the second limiting groove 151 on the working ring 19, then, the antenna element is fixed by the second limiting bolt 152, the second sliding block 156 is moved after talking, so that the second sliding block 156 moves in the second limiting groove 151 to reach the designated position, and finally, the third limiting bolt 155 is used for fixing, so that the initial adjustment is completed, the preparation work is completed, then, the machined antenna is transferred to the upper part of the working groove 14 through the mechanical arm, at this time, the telescopic rod 177 is periodically extended under the control of the detection device, so that the four corners of the antenna element enter the fixing frame 171, meanwhile, the second telescopic rod 178 is operated and retracted in the clamping process, so that the sealing plate 179 is moved to ensure the upper fixing, in the fixing process, the antenna element firstly contacts the balance plate 174, so that the stress is more uniform, meanwhile, the buffering of the spring 173 is carried out, the collision is avoided, and meanwhile, the force is transmitted through the spring 173, so that the pressure sensor 172 is stressed to transmit signals to the detection device, thereby avoiding extrusion transition, meanwhile, the vibration sensor 175 detects the vibration strength and frequency of the whole working process, and gives certain auxiliary data for later signal processing, meanwhile, the third telescopic rod 157 extends to drive the contact block 158 to move, and contact with the conductive contact point of the antenna element, thereby ensuring power supply, the working tank 14 cooperates with the operation of the sheave mechanism 8 to periodically rotate, the working tank 14 initially positioned at the top rotates along with the rotation and enters the protective box 24 at one side, the protective box 24 isolates the signals, thereby ensuring the accuracy of the test, the signals generated or transmitted by the antenna are collected and processed by the signal receiver 10, thereby realizing the output of the data, then the quality of the antenna is determined according to the output of the data, when the working tank 14 rotates to the lowest position, the fixing frame 171 is loosened, under the action of gravity, the antenna element falls down and falls into the material guiding foot 21, and is discharged from the sorting pipe 22 through the guiding of the material guiding foot 21 and the guiding plate 29, when in operation, according to the output signal, through the judgment, when the antenna element meeting the regulation is discharged, the whole device is not adjusted, when the defective product is judged, the motor 6 is controlled to drive the rotating shaft to rotate, and further drive the guiding plate 29 to rotate, so that the electrical element is discharged from another sorting pipe 22, the discharging at different positions is realized, the sorting is realized, then the working groove 14 rotates to the position where the other side is contacted with the protective box 24 again, at the moment, the signal generator 28 in the protective box 24 works to send out a reference signal, the detection device receives the reference signal to carry out the initialized work, and finally, the working groove 14 rotates to the highest position along with the rotation again, and performing circulating work.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, merely for convenience of description and simplicity of description, and do not indicate or imply that the referenced apparatus or component must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be considered as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution and the inventive concept of the present invention should be covered by the scope of the present invention.

Claims

1. The utility model provides a test fixture of RF antenna, includes base (1), its characterized in that, there is mounting panel (3) the upside of base (1) through slide rail sliding connection, the downside fixedly connected with of mounting panel (3) and base (1) cup joint first pneumatic cylinder (2), the upside fixedly connected with of mounting panel (3) has a plurality of second pneumatic cylinders (4), the output end fixedly connected with working plate (20) of second pneumatic cylinder (4), one side fixedly connected with steadying plate (7) of working plate (20), be connected with geneva mechanism (8) on steadying plate (7), the centre fixedly connected with of geneva mechanism (8) rotates rotation axis (18) of being connected with steadying plate (7), the outer wall of rotation axis (18) is fixed to cup joint has work circle (19), be provided with a plurality of work grooves (14) on work circle (19), be provided with clamping device (17) and circular telegram device (15) in work groove (14), one side of work groove (14) is provided with the detection device who is located work circle (19), the both sides of work circle (19) are provided with guard box (24) with working plate (20) fixed connection, fixedly connected with signal generator (28) in guard box (24), a plurality of electric arcs of leading of one side fixedly connected with (25) of work circle (19), electric arcs of leading (25) rotate be connected with stabilizer plate (7) fixed connection's contact device (9), the below of work circle (19) be provided with working plate (20) fixed connection's unloader, unloader's both sides all are provided with limiting sleeve (26) with working plate (20) fixed connection.

2. A test fixture for RF antennas according to claim 1, characterized in that the holding means (17) comprises a plurality of sliding plates (176) slidably connected to the operating ring (19), one side of the sliding plate (176) is fixedly connected with a first telescopic rod (177), the output end of the first telescopic rod (177) is fixedly connected with a fixed frame (171), one side of the fixed frame (171) is fixedly connected with a vibration sensor (175), the upper side of the fixed frame (171) is fixedly connected with a second telescopic rod (178), the output end of the second telescopic rod (178) is fixedly connected with a sealing plate (179) which is sleeved with the fixed frame (171) in a sliding way, the sealing plate (179) and the fixing frame (171) are fixedly connected with a pressure sensor (172), one side of the pressure sensor (172) is fixedly connected with a plurality of springs (173), and the other end of each spring (173) is fixedly connected with a balance plate (174).

3. The test fixture for the RF antenna according to claim 2, wherein a moving slot (16) communicated with the working slot (14) is formed in the working ring (19), the sliding plate (176) and the first telescopic rod (177) are both located in the moving slot (16), the sliding plate (176) is slidably connected with a slot wall of the moving slot (16), a first limiting slot (13) communicated with the moving slot (16) is formed in the working ring (19), and a first limiting bolt (170) located in the first limiting slot (13) is threadedly sleeved on the sliding plate (176).

4. The test fixture for the RF antenna according to claim 1, wherein the energizing device (15) comprises two first sliding blocks (153) slidably connected to the working ring (19), a second limiting bolt (152) is screwed on each of the two first sliding blocks (153), a moving rod (154) is connected to the upper ends of the two first sliding blocks (153), a second sliding block (156) is slidably sleeved on the moving rod (154), a third telescopic rod (157) is fixedly connected to the upper side of the second sliding block (156), a contact block (158) is fixedly connected to the output end of the third telescopic rod (157), and a third limiting bolt (155) slidably sleeved on the moving rod (154) is screwed on each of the two sides of the second sliding block (156).

5. The test fixture for the RF antenna according to claim 4, wherein the working ring (19) is provided with a second limiting groove (151) communicated with the working groove (14), the second limiting bolt (152) and the first sliding block (153) are both positioned in the second limiting groove (151), the moving rod (154) is provided with a third limiting groove (159), and the second sliding block (156) and the third limiting bolt (155) are both positioned in the third limiting groove (159).

6. The test fixture for the RF antenna according to claim 1, wherein the detection device comprises a first PLC (12) fixedly connected with the working ring (19), a standby power supply (11) fixedly connected with the working ring (19) is arranged on one side of the first PLC (12), and a signal receiver (10) fixedly connected with the working ring (19) is arranged above the standby power supply (11).

7. The testing jig for the RF antenna according to claim 1, wherein the blanking device comprises a material guiding pin (21) fixedly connected with the working plate (20), two sorting pipes (22) are fixedly connected to the lower side of the material guiding pin (21), a motor (6) is fixedly connected to one side of the material guiding pin (21), a rotating shaft which is rotatably connected with the material guiding pin (21) is fixedly connected to an output end of the motor (6) through a shaft coupling, a guide plate (29) located in the material guiding pin (21) is fixedly sleeved on the outer wall of the rotating shaft, and the guide plate (29) is located above the sorting pipes (22).

8. The testing fixture for the RF antenna according to claim 1, wherein two supporting frames (27) are fixedly connected to the upper side of the working plate (20), a plurality of balls are connected to the top of the supporting frames (27) in a rolling manner, and the balls are connected to the working ring (19) in a rolling manner.

9. The test fixture of an RF antenna according to claim 1, characterized in that the output end of the first pneumatic cylinder (2) is fixedly connected with a buffer plate, the lower side of the base (1) is fixedly connected with a plurality of universal wheels (23), and the upper side of the mounting plate (3) is fixedly connected with a second PLC controller (5).

10. The test fixture for the RF antenna according to claim 1, wherein a laser sensor is fixedly connected to one end of the limiting sleeve (26), a plurality of limiting holes are formed in one side of the limiting sleeve (26), and the cross section of the limiting sleeve (26) is of a hexagonal structure.