Automatic screwing device for coaxial cable plug

Abstract

The utility model relates to the technical field of cable plug testing, and provides an automatic screwing device for a coaxial cable plug, a calibration plate is arranged on a fixed plate and located below the fixed plate, a movable space is formed between the fixed plate and the calibration plate, and the calibration plate is provided with a guide port communicated with the movable space; the sleeve is provided with a sleeving space, the sleeving space is matched with a nut of a coaxial cable plug, the mounting plate is arranged in the movable space, the lifting component is arranged on the fixed plate and connected with the mounting plate so as to drive the mounting plate to move relative to the calibration plate, the sleeve is rotationally arranged on the mounting plate and is opposite to the guide opening, and the driving component is arranged on the mounting plate and connected with the sleeve. The sleeve is driven to rotate relative to the mounting plate. Compared with manual screwing of a hexagon nut of the coaxial cable plug by fingers or a wrench, the automatic screwing device for the coaxial cable plug can effectively avoid the problems that manual screwing of the coaxial cable plug by the fingers is labor-consuming, the fingers are easy to fatigue and damage, and manual screwing efficiency is low.

Description

Technical Field

[0001] The utility model relates to the technical field of cable plug testing, in particular to an automatic screwing device for a coaxial cable plug. Background Art

[0002] RF coaxial connector is a way of RF connection, which is widely used in various products. In production testing, it is necessary to manually tighten the hexagonal nut of the coaxial cable plug with fingers or wrenches to tighten or disengage the plug of the test cable. In this way, the manual method is not only time-consuming and labor-intensive, but also easily leads to personnel fatigue, and the overall efficiency is low. Utility Model Content

[0003] The utility model provides an automatic screwing device for a coaxial cable plug, which is used to solve the problems in the prior art that manual screwing of the coaxial cable plug easily leads to finger fatigue and damage and has low efficiency.

[0004] The utility model provides an automatic screwing device for a coaxial cable plug, comprising: a fixing plate, a calibration plate and an automatic screwing assembly;

[0005] The calibration plate is arranged on the fixed plate, and the calibration plate is located below the fixed plate, an activity space is formed between the fixed plate and the calibration plate, and the calibration plate is provided with a guide port communicating with the activity space;

[0006] The automatic screwing assembly includes a mounting plate, a linkage component, a driving component and a lifting component. The linkage component includes a sleeve. The sleeve is provided with a fitting space, and the fitting space is adapted to the nut of the coaxial cable plug. The mounting plate is arranged in the movable space. The lifting component is arranged on the fixed plate and connected to the mounting plate to drive the mounting plate to move relative to the calibration plate. The sleeve is rotatably arranged on the mounting plate. The sleeve is arranged opposite to the guide port. The driving component is arranged on the mounting plate and connected to the sleeve to drive the sleeve to rotate relative to the mounting plate.

[0007] According to the automatic screwing device for a coaxial cable plug provided by the utility model, the driving component includes a driving motor and a driving gear, the driving gear is sleeved on the output shaft of the driving motor, and the outer periphery of the sleeve is provided with gear teeth meshing with the driving gear.

[0008] According to an automatic screwing device for a coaxial cable plug provided by the utility model, the sleeve is further provided with a cable channel communicating with the set space, the mounting plate is provided with a mounting hole, and the portion of the sleeve corresponding to the cable channel is rotatably arranged on the mounting hole.

[0009] According to the automatic screwing device for a coaxial cable plug provided by the utility model, the sleeve is provided with a through hole, the through hole is communicated with the set space, and the linkage component also includes a stopper, and the stopper is movably arranged in the through hole.

[0010] According to an automatic screwing device for a coaxial cable plug provided by the utility model, the lifting component includes a lifting cylinder, the fixing plate is provided with a first side and a second side opposite to each other, the fixing plate is also provided with a through hole passing through the first side and the second side, the lifting cylinder is provided on the first side, and the free end of the lifting cylinder is passed through the through hole and connected to the mounting plate.

[0011] According to the automatic screwing device for a coaxial cable plug provided by the utility model, the lifting component also includes a guide rod, which is arranged between the second side and a side of the calibration plate facing the mounting plate and passes through the mounting plate.

[0012] According to the utility model, a coaxial cable plug automatic screwing device is provided, the coaxial cable plug automatic screwing device also includes a first sensor, a first sensing rod and a control mainboard, one of the first sensor and the first sensing rod is arranged on the mounting plate, and the other is arranged on the calibration plate;

[0013] Wherein, the control main board is configured to control the lifting component to stop driving the mounting plate to move relative to the calibration plate according to the signal of the first sensor.

[0014] According to the utility model, a coaxial cable plug automatic screwing device is provided, the coaxial cable plug automatic screwing device further comprises a second sensor and a second sensing rod, one of the second sensor and the second sensing rod is arranged on the mounting plate, and the other is arranged on the calibration plate;

[0015] Wherein, the control main board is further configured to control the driving component to stop driving the sleeve to rotate relative to the mounting plate according to the signal of the second sensor.

[0016] According to an automatic screwing device for a coaxial cable plug provided by the utility model, there are multiple automatic screwing components, the multiple automatic screwing components are arranged in sequence at intervals, there are multiple guide openings, and the multiple sleeves correspond to the multiple guide openings one by one.

[0017] According to the utility model, an automatic screwing device for a coaxial cable plug is provided, the automatic screwing device for a coaxial cable plug also includes a test adapter plug, the test adapter plug is suitable for connecting with a coaxial cable plug, and a nut of the test adapter plug is arranged in the suit space.

[0018] According to an automatic screwing device for a coaxial cable plug provided by the utility model, a guide seat is provided on the side of the calibration plate facing away from the mounting plate, the guide seat is provided with a receiving groove adapted to the flange of the coaxial cable socket, the guide seat is also provided with a through hole, and the receiving groove is connected to the guide port through the through hole.

[0019] The automatic screwing device for coaxial cable plugs provided by the utility model has a fast screwing speed and a uniform tightness compared with manually screwing the hexagonal nut of the coaxial cable plug with fingers or a wrench, and is suitable for batch testing operations. It can effectively avoid the problems of manual labor of frequently screwing the coaxial cable plug with fingers, easy fatigue and damage to fingers, and low manual screwing efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the technical solutions in the present invention or the prior art, a brief introduction will be given below to the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0021] Figure 1 It is a structural schematic diagram of the automatic screwing device for a coaxial cable plug provided by the utility model;

[0022] Figure 2 It is a structural schematic diagram of the automatic screwing assembly provided by the utility model;

[0023] Figure 3 It is a partial structural schematic diagram of the automatic screwing device for a coaxial cable plug provided by the utility model;

[0024] Figure 4 This is one of the structural schematic diagrams of the sleeve provided by the utility model;

[0025] Figure 5 This is the second structural schematic diagram of the sleeve provided by the utility model;

[0026] Figure 6 This is one of the schematic diagrams of the assembly structure of the linkage component and the coaxial cable plug provided by the utility model;

[0027] Figure 7 This is the second schematic diagram of the assembly structure of the linkage component and the coaxial cable plug provided by the utility model;

[0028] Figure 8 This is one of the assembly structure diagrams of the linkage component, the coaxial cable plug and the test adapter plug provided by the utility model;

[0029] Fig. 9This is the second schematic diagram of the assembly structure of the linkage component, the coaxial cable plug and the test adapter plug provided by the utility model;

[0030] Fig.10 The utility model is a schematic diagram of assembling a coaxial cable plug and a coaxial cable socket.

[0031] Reference numerals:

[0032] 1. Automatic screwing assembly; 11. Driving component; 111. Driving motor; 112. Driving gear; 12. Lifting component; 121. Lifting cylinder; 122. Guide rod; 13. Mounting plate; 14. Linkage component; 141. Sleeve; 142. Suiting space; 143. Gear; 144. Stopper; 145. Cable channel;

[0033] 2. Fixing plate; 3. Calibration plate; 31. Guide seat; 4. Coaxial cable plug; 5. Coaxial cable socket; 6. Test adapter plug; 7. First sensor; 8. First sensing rod; 9. Second sensor; 10. Second sensing rod. DETAILED DESCRIPTION

[0034] In order to make the purpose, technical solution and advantages of the utility model clearer, the technical solution of the utility model will be clearly and completely described below in conjunction with the drawings in the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in 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.

[0035] like Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 and Figure 7 As shown, the automatic screwing device for a coaxial cable plug according to an embodiment of the utility model comprises: a fixing plate 2, a calibration plate 3 and an automatic screwing assembly 1.

[0036] The calibration plate 3 is arranged on the fixed plate 2, and the calibration plate 3 is located below the fixed plate 2, a movable space is formed between the fixed plate 2 and the calibration plate 3, and the calibration plate 3 is provided with a guide port communicating with the movable space.

[0037] The calibration plate 3 is disposed below the fixed plate 2 through a connecting piece, and there is a certain distance between the fixed plate 2 and the calibration plate 3 in the height direction, thereby forming an activity space.

[0038] In addition, the automatic screwing assembly 1 includes a mounting plate 13, a linkage component 14, a driving component 11 and a lifting component 12. The linkage component 14 includes a sleeve 141. The sleeve 141 is provided with a fitting space 142. The fitting space 142 is adapted to the nut of the coaxial cable plug 4. That is, the hexagonal nut of the coaxial cable plug 4 can be assembled in the fitting space 142.

[0039] Among them, the mounting plate 13 is arranged in the movable space, the lifting component 12 is arranged on the fixed plate 2 and connected to the mounting plate 13 to drive the mounting plate 13 to move relative to the calibration plate 3, the sleeve 141 is rotatably arranged on the mounting plate 13, the sleeve 141 is arranged opposite to the guide port, and the driving component 11 is arranged on the mounting plate 13 and connected to the sleeve 141 to drive the sleeve 141 to rotate relative to the mounting plate 13.

[0040] It should be noted that, in order to facilitate the use of the coaxial cable plug automatic screwing device, a handle is provided on the side of the fixing plate 2 away from the mounting plate 13 , for example, two handles are provided on the top of the fixing plate 2 .

[0041] like Fig.10 As shown, the hexagonal nut of the coaxial cable plug 4 can be assembled in the set space 142.

[0042] The automatic screwing device for the coaxial cable plug is placed on the product to be tested. At this time, the calibration plate 3 is abutted against the flange of the coaxial cable socket 5. The coaxial cable socket 5 can be inserted into the guide port and extend to the activity space. The coaxial cable socket 5 is arranged opposite to the coaxial cable plug 4 located in the suit space 142. When the screwing starts, the lifting component 12 drives the mounting plate 13 to move toward the position of the calibration plate 3 to adjust the distance between the coaxial cable plug 4 and the coaxial cable socket 5 until the coaxial cable plug 4 and the coaxial cable socket 5 cooperate, thereby facilitating the next screwing operation. Then, the driving component 11 drives the sleeve 141 to rotate clockwise relative to the mounting plate 13, and the coaxial cable plug 4 and the coaxial cable socket 5 begin to be screwed until the coaxial cable plug 4 and the coaxial cable socket 5 are tightened and reach the required torque, and the driving component 11 stops working. On the contrary, after the test is completed, the driving component 11 drives the sleeve 141 to rotate counterclockwise relative to the mounting plate 13, and the coaxial cable plug 4 is disengaged from the coaxial cable socket 5. Then, the lifting component 12 drives the mounting plate 13 to move away from the position of the calibration plate 3, and finally resets it.

[0043] In the embodiment of the utility model, compared with manually tightening the hexagonal nut of the coaxial cable plug 4 with fingers or a wrench, the automatic tightening device of the coaxial cable plug has a fast tightening speed and consistent tightness, is suitable for batch testing operations, and can effectively avoid the problems of manual frequent tightening of the coaxial cable plug 4 with fingers, which is laborious, fingers are prone to fatigue and damage, and manual tightening is inefficient.

[0044] In an optional embodiment, if Figure 2 As shown, the driving component 11 includes a driving motor 111 and a driving gear 112 . The driving gear 112 is sleeved on the output shaft of the driving motor 111 . The outer periphery of the sleeve 141 is provided with gear teeth 143 meshing with the driving gear 112 .

[0045] It should be noted that the mounting plate 13 is provided with a first side and a second side opposite to each other, the first side of the mounting plate 13 faces the fixed plate 2, the second side of the mounting plate 13 faces the calibration plate 3, the drive motor 111 is provided on the first side of the mounting plate 13, the output shaft of the drive motor 111 is passed through the mounting plate 13, and the drive gear 112 is provided on the second side of the mounting plate 13. Among them, the outer periphery of the sleeve 141 is provided with gear teeth 143 arranged along its circumferential direction. That is to say, when the drive motor 111 drives the drive gear 112 to rotate, the sleeve 141 can rotate relative to the mounting plate 13. In addition, the calibration plate 3 and the fixed plate 2 are staggered, so as to facilitate the arrangement of the drive motor 111 in the activity space.

[0046] It is particularly important to point out that the driving component 11 may further include at least one transmission gear, the driving gear 112 is meshedly connected with the transmission gear, and the transmission gear is meshedly connected with the gear teeth 143 of the sleeve 141, so as to achieve power transmission.

[0047] In an optional embodiment, if Figure 4 , Figure 5 , Figure 6 and Figure 7 As shown, the sleeve 141 is further provided with a cable channel 145 communicating with the fitting space 142 , the mounting plate 13 is provided with a mounting hole, and a portion of the sleeve 141 corresponding to the cable channel 145 is rotatably mounted on the mounting hole.

[0048] It should be noted that the mounting plate 13 is provided with mounting holes penetrating the first side and the second side of the mounting plate 13, and the sleeve 141 can be rotatably mounted on the mounting hole via a bearing at a position corresponding to the cable channel 145. The fixing plate 2 is provided with a wire hole, and the coaxial cable plug 4 can be passed through the wire hole and connected to the sleeve 141.

[0049] In an optional embodiment, if Figure 4 , Figure 5 , Figure 6 and Figure 7 As shown, the sleeve 141 is provided with a through hole, which is communicated with the set space 142, and the linkage component 14 further includes a stopper 144, which is movably disposed in the through hole.

[0050] It should be noted that the sleeve 141 is provided with a through hole communicating with the suit space 142 at a position corresponding to the suit space 142, in other words, the through hole corresponds to the gear 143. The through hole may be a threaded hole, and the stopper 144 may be a screw, and the nut of the coaxial cable plug 4 located in the suit space 142 may be fixed by moving the screw relative to the threaded hole.

[0051] In an optional embodiment, if Figure 2 and Figure 3 As shown, the lifting component 12 includes a lifting cylinder 121, the fixed plate 2 is provided with a first side and a second side opposite to each other, the fixed plate 2 is also provided with a through hole passing through the first side and the second side, the lifting cylinder 121 is provided on the first side, and the free end of the lifting cylinder 121 is passed through the through hole and connected to the mounting plate 13.

[0052] The lifting cylinder 121 is disposed on the first side of the fixing plate 2 , and the free end of the lifting cylinder 121 passes through the through hole and is connected to the first side of the mounting plate 13 .

[0053] In this way, the hexagonal nut of the coaxial cable plug 4 is assembled in the suit space 142, and the automatic screwing device of the coaxial cable plug is placed on the product to be tested. At this time, the calibration plate 3 is in contact with the flange of the coaxial cable socket 5, and the coaxial cable socket 5 can be inserted into the guide port and extend to the activity space. The coaxial cable socket 5 is arranged relative to the coaxial cable plug 4 located in the suit space 142. When the screwing starts, the lifting cylinder 121 drives the mounting plate 13 to move toward the position of the calibration plate 3 to adjust the distance between the coaxial cable plug 4 and the coaxial cable socket 5 until the coaxial cable plug 4 and the coaxial cable socket 5 cooperate, and the lifting cylinder 121 stops working. On the contrary, after the coaxial cable plug 4 is separated from the coaxial cable socket 5, the lifting cylinder 121 drives the mounting plate 13 away from the calibration plate 3, and finally resets.

[0054] In an optional embodiment, if Figure 2 and Figure 3 As shown, in order to improve the lifting stability of the mounting plate 13 , the lifting component 12 further includes a guide rod 122 , which is disposed between the second side and the side of the calibration plate 3 facing the mounting plate 13 , and passes through the mounting plate 13 .

[0055] It should be noted that the guide rod 122 is arranged between the second side of the fixing plate 2 and the side of the calibration plate 3 facing the mounting plate 13, and is passed through the mounting plate 13. In the process of the lifting cylinder 121 driving the mounting plate 13 to move, the guide rod 122 can guide the movement of the mounting plate 13. In addition, the number of guide rods 122 can be multiple.

[0056] In an optional embodiment, if Figure 3As shown, the coaxial cable plug automatic screwing device also includes a first sensor 7, a first sensing rod 8 and a control mainboard, one of the first sensor 7 and the first sensing rod 8 is arranged on the mounting plate 13, and the other is arranged on the calibration plate 3; the control mainboard is configured to control the lifting component 12 to stop driving the mounting plate 13 to move relative to the calibration plate 3 according to the signal of the first sensor 7. Among them, the first sensor 7 and the lifting motor are electrically connected to the control mainboard,

[0057] It should be noted that the first sensor 7 is provided with a groove, and when the first sensing rod 8 enters the groove, the first sensor 7 is triggered.

[0058] In this way, when the coaxial cable socket 5 is opposite to the coaxial cable plug 4 located in the suit space 142, when the screwing starts, the control main board controls the lifting cylinder 121 to move, and the lifting cylinder 121 drives the mounting plate 13 to move toward the position of the calibration plate 3 to adjust the distance between the coaxial cable plug 4 and the coaxial cable socket 5 until the first sensor 7 is triggered. At this time, the coaxial cable plug 4 and the coaxial cable socket 5 cooperate, and the control main board controls the lifting cylinder 121 to stop working.

[0059] In an optional embodiment, if Figure 3 As shown, the automatic screwing device for the coaxial cable plug also includes a second sensor 9 and a second sensing rod 10, one of the second sensor 9 and the second sensing rod 10 is arranged on the mounting plate 13, and the other is arranged on the calibration plate 3; wherein the control main board is also configured to control the driving component 11 to stop the driving sleeve 141 from rotating relative to the mounting plate 13 according to the signal of the second sensor 9.

[0060] It should be noted that the length of the first sensing rod 8 is longer than that of the second sensing rod 10 , and when the second sensing rod 10 enters the second sensor 9 , the second sensor 9 is triggered.

[0061] In this way, after the control main board controls the lifting cylinder 121 to stop working, the control main board controls the driving motor 111 to work, and the driving motor 111 drives the sleeve 141 to rotate clockwise relative to the mounting plate 13 through the driving gear 112, and the coaxial cable plug 4 and the coaxial cable socket 5 begin to be screwed until the second sensor 9 is triggered. At this time, the coaxial cable plug 4 and the coaxial cable socket 5 are tightened and reach the required torque, and the control main board controls the driving motor 111 to stop working.

[0062] It is particularly important to point out that a proximity switch can also be provided on the first side of the mounting plate 13. After the coaxial cable plug 4 is detached from the coaxial cable socket 5, the control main board controls the lifting cylinder 121 to move, and the lifting cylinder 121 drives the mounting plate 13 away from the calibration plate 3 until the proximity switch is triggered. The control main board controls the lifting cylinder 121 to stop working, and finally reset is achieved.

[0063] In addition, if there is an abnormal situation when a single coaxial cable plug 4 and a coaxial cable socket 5 are automatically screwed, the control of the drive motor 111 adopts linear stall feedback combined with a high-precision ranging sensor algorithm. After the lifting cylinder 121 drives the mounting plate 13 to the specified position, the control main board controls the drive motor 111 to rotate forward N*180 degrees (the N value changes inversely with the feedback torque). When N reaches the set threshold, it is combined with the first sensor 7 and the second sensor 9 to determine whether it is necessary to enter the reverse process; after the reverse reset, screwing is carried out again until the coaxial cable plug 4 and the coaxial cable socket 5 are tightened and the required torque is reached.

[0064] In an optional embodiment, if Figure 1 and Fig.10 As shown, there are multiple automatic screwing components 1, and the multiple automatic screwing components 1 are arranged in sequence and at intervals. There are multiple guide openings, and the multiple sleeves 141 correspond to the multiple guide openings one by one.

[0065] It should be noted that when there are N (N>1) coaxial cable sockets 5 on a product, the coaxial cable plug 4 is screwed onto the coaxial cable socket 5, and there is a phenomenon that the first teeth (buckles) of the threads of each coaxial cable plug 4 and the coaxial cable socket 5 are screwed together are not synchronized; in the case where there are N (N>1) coaxial cable plugs 4 and the coaxial cable socket 5 that are screwed together, N (N>1) automatic screwing components 1 are configured to realize that each coaxial cable plug 4 and the coaxial cable socket 5 are automatically screwed together separately.

[0066] In an optional embodiment, if Figure 8 and Fig. 9 As shown, the automatic screwing device for the coaxial cable plug also includes a test adapter plug 6 , which is suitable for connecting with the coaxial cable plug 4 , and a nut of the test adapter plug 6 is arranged in the set space 142 .

[0067] It should be noted that the coaxial cable plug 4 is first connected to the test adapter plug 6 and then the hexagonal nut of the test adapter plug 6 is set in the suit space 142, thereby avoiding the situation that the hexagonal nut of the coaxial cable plug 4 may not fit into the suit space 142.

[0068] In an optional embodiment, if Figure 3 As shown, a guide seat 31 is provided on the side of the calibration plate 3 facing away from the mounting plate 13. The guide seat 31 is provided with a receiving groove adapted to the flange of the coaxial cable socket 5. The guide seat 31 is also provided with a through hole, and the receiving groove is connected to the guide port through the through hole.

[0069] It should be noted that the coaxial cable plug 4 is connected to the test adapter plug 6, the hexagonal nut of the test adapter plug 6 is arranged in the suit space 142, and the automatic screwing device of the coaxial cable plug is placed on the product under test. At this time, the flange of the coaxial cable socket 5 is located in the accommodating groove, and the coaxial cable socket 5 can be passed through the guide port and extend to the activity space. The coaxial cable socket 5 is opposite to the test adapter plug 6 located in the suit space 142.

[0070] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the utility model, rather than to limit it. Although the utility model has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the various embodiments of the utility model.

Claims

1. An automatic screwing device for a coaxial cable plug, characterized in that: include: Fixing plate, calibration plate and automatic screwing assembly; The calibration plate is arranged on the fixed plate, and the calibration plate is located below the fixed plate, an activity space is formed between the fixed plate and the calibration plate, and the calibration plate is provided with a guide port communicating with the activity space; The automatic screwing assembly includes a mounting plate, a linkage component, a driving component and a lifting component. The linkage component includes a sleeve. The sleeve is provided with a fitting space, and the fitting space is adapted to the nut of the coaxial cable plug. The mounting plate is arranged in the movable space. The lifting component is arranged on the fixed plate and connected to the mounting plate to drive the mounting plate to move relative to the calibration plate. The sleeve is rotatably arranged on the mounting plate. The sleeve is arranged opposite to the guide port. The driving component is arranged on the mounting plate and connected to the sleeve to drive the sleeve to rotate relative to the mounting plate.

2. The automatic screwing device for coaxial cable plug according to claim 1, characterized in that: The driving component comprises a driving motor and a driving gear. The driving gear is sleeved on the output shaft of the driving motor. The outer periphery of the sleeve is provided with gear teeth meshing with the driving gear.

3. The automatic screwing device for coaxial cable plug according to claim 1, characterized in that: The sleeve is also provided with a cable channel communicated with the fitting space, the mounting plate is provided with a mounting hole, and a portion of the sleeve corresponding to the cable channel is rotatably arranged on the mounting hole.

4. The automatic screwing device for coaxial cable plug according to claim 1, characterized in that: The sleeve is provided with a through hole, which is communicated with the set space, and the linkage component further comprises a stopper, which is movably arranged in the through hole.

5. The automatic screwing device for coaxial cable plug according to claim 1, characterized in that: The lifting component includes a lifting cylinder, the fixing plate is provided with a first side and a second side opposite to each other, the fixing plate is also provided with a through hole penetrating the first side and the second side, the lifting cylinder is provided on the first side, and the free end of the lifting cylinder is passed through the through hole and connected to the mounting plate.

6. The automatic screwing device for coaxial cable plug according to claim 5, characterized in that: The lifting component further includes a guide rod, which is arranged between the second side and a side of the calibration plate facing the mounting plate and passes through the mounting plate.

7. The automatic screwing device for a coaxial cable plug according to any one of claims 1 to 6, characterized in that: The coaxial cable plug automatic screwing device further comprises a first sensor, a first sensing rod and a control mainboard, wherein one of the first sensor and the first sensing rod is arranged on the mounting plate, and the other is arranged on the calibration plate; Wherein, the control main board is configured to control the lifting component to stop driving the mounting plate to move relative to the calibration plate according to the signal of the first sensor.

8. The automatic screwing device for coaxial cable plug according to claim 7, characterized in that: The coaxial cable plug automatic screwing device further comprises a second sensor and a second sensing rod, one of the second sensor and the second sensing rod is arranged on the mounting plate, and the other is arranged on the calibration plate; Wherein, the control main board is further configured to control the driving component to stop driving the sleeve to rotate relative to the mounting plate according to the signal of the second sensor.

9. The automatic screwing device for a coaxial cable plug according to any one of claims 1 to 6, characterized in that: There are a plurality of automatic screwing components, which are arranged in sequence at intervals; there are a plurality of guide openings, and a plurality of sleeves correspond to the plurality of guide openings one by one.

10. The automatic screwing device for a coaxial cable plug according to any one of claims 1 to 6, characterized in that: The coaxial cable plug automatic screwing device also includes a test adapter plug, which is suitable for connecting with the coaxial cable plug, and the nut of the test adapter plug is arranged in the set space.

11. The automatic screwing device for a coaxial cable plug according to any one of claims 1 to 6, characterized in that: A guide seat is provided on the side of the calibration plate facing away from the mounting plate. The guide seat is provided with a receiving groove matched with the flange of the coaxial cable socket. The guide seat is also provided with a through hole, and the receiving groove is connected with the guide port through the through hole.

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