Automatic mortise rolling machine for radio frequency coaxial connector

Abstract

The invention relates to an automatic mortise rolling machine for a radio frequency coaxial connector, which comprises a rack, a control case, an automatic feeding device and a rotary adjusting device, the upper end of the rack is provided with the automatic feeding device and the rotary adjusting device, and the lower end of the rack is provided with the control case; the automatic feeding device and the rotary adjusting device are both in control connection with the control case; the automatic feeding device is provided with a hob, and the rotation adjusting device is provided with a connector shell. The control case controls the automatic feeding device to move and controls the rotation adjusting device to clamp and rotate the connector shell at the same time, so that the automatic feeding device makes contact with the connector shell for mortise rolling. The automatic feeding device and the rotation adjusting device are controlled through the control machine box, rivet rolling can be stably and rapidly completed, the situation that due to the fact that the rotation speed and displacement of the automatic feeding device and the rotation adjusting device are inconsistent, a shell is scratched, and a plating layer is damaged due to cutter jumping is avoided, and the product quality is improved.

Description

Technical Field

[0001] The invention relates to the technical field of radio frequency connectors, and in particular to an automatic mortise rolling machine for radio frequency coaxial connectors. Background Art

[0002] Radio frequency coaxial connector (RF connector for short) is generally considered to be a component installed on a cable or on an instrument. It is a component that realizes the electrical connection or separation of various radio frequency signal transmission lines in the radio frequency transmission circuit of the instrument. It belongs to mechatronics products. Simply speaking, it mainly plays a bridging role. Radio frequency coaxial connectors can be divided into three types according to the docking method: threaded, push-in and bayonet. Among them, the threaded type has the most varieties and the largest amount. The clamping ring is the key part of the threaded connector.

[0003] In the product structure of RF coaxial connector, the shell is the main retainer of removable denture restoration. It is directly connected to the main equipment and fixed by threaded connection, which plays the role of retention, stability and support. The existing RF coaxial connector rolling method is to use a fixture to roll the mortise manually, which is not only laborious and slow, but also easy to damage the shell, scratch the shell and knock off the coating. This is easy to cause adverse reactions such as failure of the shell, poor movement of the screw sleeve, poor appearance scratches and other performance problems caused by coating damage. Summary of the invention

[0004] The purpose of the present invention is to overcome the shortcomings of the prior art and propose an automatic mortise rolling machine for RF coaxial connectors. The connector shell to be rolled is placed on a rotating adjustment device, and the automatic feeding device is controlled by a control chassis to move, and the rotating adjustment device is controlled to rotate at the same time, so that the automatic feeding device contacts the rotating adjustment device to complete the mortise rolling work.

[0005] In order to solve the problems in the above background technology, the present invention is implemented by the following technical solutions:

[0006] A radio frequency coaxial connector automatic mortise rolling machine comprises a stand, a control chassis, an automatic feeding device and a rotation adjustment device, wherein the automatic feeding device and the rotation adjustment device are provided at the upper end of the stand, and the control chassis is provided at the lower end of the stand; the automatic feeding device and the rotation adjustment device are both control-connected to the control chassis; the automatic feeding device is provided with a rolling cutter, and the rotation adjustment device is provided with a connector housing; the control chassis controls the displacement of the automatic feeding device, and at the same time, the control chassis controls the rotation adjustment device to clamp and rotate the connector housing, so that the automatic feeding device contacts the connector housing for mortise rolling.

[0007] Preferably, the control chassis is provided with a power supply, a PLC controller, a first servo motor, a solid-state relay and a servo motor driver; the control chassis is provided with a display screen, an emergency stop button and a control button outside; the power supply is connected to the PLC controller, the PLC controller is connected to the servo motor driver through the solid-state relay, and the servo motor driver is respectively connected to the first servo motor, the automatic feeding device and the rotation adjustment device; the PLC controller is also respectively connected to the display screen, the emergency stop button and the control button.

[0008] Preferably, the automatic feeding device includes a feeding servo motor, a screw module and a tool holder; the feeding servo motor is provided at the side end of the screw module, and the feeding servo motor is connected to the servo motor driver; the tool holder is provided at the upper end of the screw module, and the tool holder is provided with the roller.

[0009] Preferably, the tool holder is fixed to the upper end of the screw module by bolts, and the tool holder is provided with a plurality of tool holders, and the tool holder is a concave tool holder, and the hob is provided in the notch of the concave tool holder and is fastened by bolts provided on the outside of the notch of the concave tool holder.

[0010] Preferably, the rotary adjustment device includes a clamping cylinder, a rotary servo motor, a collet, a positioning bolt and an adjustment handle; the air inlet and the exhaust port of the clamping cylinder are respectively connected to the air circuit of the solenoid valve through an air pipe, the solenoid valve is electrically connected to the PLC controller, and the rotary servo motor is connected to the servo motor driver; the power output end of the clamping cylinder is connected to the collet through the adjustment handle, and the positioning bolt passes through the adjustment handle and is connected to the collet.

[0011] Preferably, the adjustment handle is provided with a rotating shaft, and the rotating shaft is located between the adjustment handle and the collet, the lower end of the rotating shaft is fixedly connected to the stand, and the upper end of the rotating shaft is movably connected to the adjustment handle.

[0012] Preferably, the collet includes a sleeve and an elastic collet, the sleeve is penetrated by the elastic collet, the sleeve is connected to the adjustment handle, the elastic collet connecting end is connected to the rotary servo motor, the elastic collet clamping end is provided with the connector housing, and the positioning bolt passes through the adjustment handle and is arranged inside the elastic collet connecting end.

[0013] Preferably, the hob is a tungsten steel hob, and the lead screw module is a KK module.

[0014] Preferably, the control buttons include a start button, a stop button, and a reset button, and the start button, the stop button, and the reset button are all connected to the PLC controller; the display screen is a touch display screen; and the power supply is a 24V power supply.

[0015] Compared with the prior art, the present invention has the following beneficial technical effects:

[0016] The feed servo motor controls the KK module to complete the displacement, and the rotary servo motor makes the collet rotate at high speed, so that the hob of the automatic feed device contacts the connector shell of the rotary adjustment device to complete the mortise rolling. The feed servo motor and the KK module, the rotary servo motor and the collet are jointly controlled to improve the accuracy and effectiveness of the displacement, and the mortise rolling work is safer and faster. Moreover, each servo motor is controlled by a PLC controller, which can smoothly and quickly complete the mortise rolling, and prevent the scratches on the shell and the damage to the coating caused by the jump of the cutter due to the inconsistent speed and displacement of the automatic feed device and the rotary adjustment device, thereby improving the quality of the product.

[0017] An emergency stop button is set up. When a danger or emergency occurs during the rolling process, it can be quickly pressed to complete the emergency stop to avoid the expansion of risks. The emergency stop button can also be pressed during inspection and maintenance to prevent unnecessary actions caused by non-touch and ensure safe work;

[0018] The display screen enables convenient operation of the human-machine interface to complete product changeover, parameter adjustment, fault checking and other actions, saving manpower and improving production efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the main structure of the present invention;

[0020] Figure 2 It is a schematic diagram of the top view of the structure of the present invention;

[0021] Figure 3 It is a schematic diagram of the external structure of the control chassis of the present invention;

[0022] Figure 4 It is a schematic diagram of the internal structure of the control chassis of the present invention;

[0023] Figure 5 It is a structural schematic diagram of the automatic feeding device of the present invention;

[0024] Figure 6 It is a structural schematic diagram of the rotary adjustment device of the present invention;

[0025] Figure 7 It is a structural schematic diagram of the knife holder of the present invention;

[0026] Figure 8 It is a schematic diagram of the connection structure of the adjusting handle, the positioning bolt and the rotating shaft of the present invention;

[0027] Fig. 9 It is a schematic diagram of the structure of the collet of the present invention;

[0028] Fig.10 It is a structural schematic diagram of the adjusting handle of the present invention.

[0029] Description of the attached drawings

[0030] 100. Test stand; 110. Control chassis; 111. Power supply; 112. Servo motor driver; 113. First servo motor; 114. PLC controller; 115. Solid-state relay; 120. Display screen; 130. Emergency stop button; 140. Control button; 141. Start button; 142. Stop button; 143. Reset button; 200. Automatic feeding device; 210. Screw module; 220. Feed servo motor; 230. Tool holder; 231. Tool holder; 240. Hob; 300. Rotary adjustment device; 310. Rotary servo motor; 320. Clamping cylinder; 330. Collet; 331. Sleeve; 332. Elastic chuck; 340. Positioning bolt; 350. Adjustment handle; 351. Rotating shaft. DETAILED DESCRIPTION

[0031] like Figure 1 to Figure 2 As shown, an automatic mortise rolling machine for radio frequency coaxial connectors includes a stand 100, a control box 110, an automatic feeding device 200 and a rotation adjustment device 300. The automatic feeding device 200 and the rotation adjustment device 300 are provided at the upper end of the stand 100, and the control box 110 is provided at the lower end of the stand 100; the automatic feeding device 200 and the rotation adjustment device 300 are both control-connected to the control box 110; the automatic feeding device 200 is provided with a rolling cutter 240, and the rotation adjustment device 300 is provided with a connector housing; the control box 110 controls the displacement of the automatic feeding device 200, and at the same time, the control box 110 controls the rotation adjustment device 300 to clamp and rotate the connector housing, so that the automatic feeding device 200 contacts the connector housing for mortise rolling.

[0032] like Figure 3-Figure 4 As shown, a power supply 111, a PLC controller 114, a first servo motor 113, a solid-state relay 115 and a servo motor driver 112 are provided inside the control chassis 110; a display screen 120, an emergency stop button 130 and a control button 140 are provided outside the control chassis 110; the power supply 111 is connected to the PLC controller 114, the PLC controller 114 is connected to the servo motor driver 112 through the solid-state relay 115, and the servo motor driver 112 is respectively connected to the first servo motor 113, the automatic feeding device 200 and the rotation adjustment device 300; the PLC controller 114 is also respectively connected to the display screen 120, the emergency stop button 130 and the control button 140.

[0033] The PLC controller 114 is connected to the servo motor driver 112 for control. The automatic feeding device 200 and the rotation adjustment device 300 are precisely controlled by the servo motor driver 112. The automatic feeding device 200 and the rotation adjustment device 300 are installed on the stand 100 and controlled by the PLC controller 114 in the control box 110. The electric control signal controls the rotation adjustment device 300 to clamp and position the connector housing to fix it and rotate it at high speed. The automatic feeding device 200 drives the screw module 210 through the feeding servo motor 220 to drive the hob 240 provided on the tool holder 230 to move forward, and rolls after contacting the connector housing. The display screen realizes convenient operation of the human-machine interface, completes product changeover, parameter adjustment, fault checking and other actions, saves manpower and improves production efficiency.

[0034] like Figure 5-Figure 10 The automatic feeding device 200 includes a feeding servo motor 220, a lead screw module 210 and a knife holder 230; the side end of the lead screw module 210 is provided with a feeding servo motor 220, and the feeding servo motor 220 is connected to the servo motor driver 112; the upper end of the lead screw module 210 is provided with a knife holder 230, and the knife holder 230 is provided with a hob 240. The lead screw module 210 is a KK module, which has a simple structure, a small overall volume, and is easy to install. In addition, the KK module has higher precision, smooth operation, and is not easy to cause noise.

[0035] The knife seat 230 is fixed to the upper end of the screw module 210 by bolts, and the knife seat 230 is provided with a plurality of knife holders 231, and the knife holders 231 are concave knife holders, and a hob 240 is provided in the notch of the concave knife holder, and is fastened by bolts provided on the outside of the notch of the concave knife holder. The knife seat 230 is fixed to the upper end of the screw module 210, and the hob 240 is provided in the knife holder 231, and is fastened by bolts, and can be quickly disassembled to replace the hob 240.

[0036] The rotary adjustment device 300 includes a clamping cylinder 320, a rotary servo motor 310, a collet 330, a positioning bolt 340 and an adjustment handle 350; the air inlet and the exhaust port of the clamping cylinder 320 are respectively connected to the solenoid valve air circuit through an air pipe, the solenoid valve is electrically connected to the PLC controller 114, and the rotary servo motor 310 is connected to the servo motor driver 112; the power output end of the clamping cylinder 320 is connected to the collet 330 through the adjustment handle 350, and the positioning bolt 340 passes through the adjustment handle 350 and is connected to the collet 330.

[0037] The adjusting handle 350 is provided with a rotating shaft 351 , and the rotating shaft 351 is located between the adjusting handle 350 and the collet chuck 330 , the lower end of the rotating shaft 351 is fixedly connected to the stand 100 , and the upper end of the rotating shaft 351 is movably connected to the adjusting handle 350 .

[0038] The collet 330 includes a sleeve 331 and an elastic collet 332. The sleeve 331 is penetrated by the elastic collet 332. The sleeve 331 is connected to the adjustment handle 350. The connection end of the elastic collet 332 is connected to the rotary servo motor 310. The clamping end of the elastic collet 332 is provided with a connector housing. The positioning bolt 340 passes through the adjustment handle 350 and is arranged inside the connection end of the elastic collet 332.

[0039] The clamping cylinder 320 is actuated, the power output end of the clamping cylinder 320 extends out, and the adjusting handle 350 drives the sleeve 331 to retract through the rotating shaft 351, thereby loosening the elastic clamp 332 and taking out the connector housing; the clamping cylinder 320 is actuated, the power output end of the clamping cylinder 320 retracts, and the adjusting handle 350 drives the sleeve 331 to extend out through the rotating shaft 351, thereby clamping the elastic clamp 332, so that the connector housing is fixed in the elastic clamp 332; when the clamping cylinder 320 is actuated, the positioning bolt 340 moves forward or backward synchronously for positioning; the adjusting handle 350 and the positioning bolt 340 can adjust the clamping depth and clamping degree of the connector housing in the elastic clamp 332.

[0040] The hob 240 is a tungsten steel hob, and the lead screw module 210 is a KK module.

[0041] The control button 140 includes a start button 141, a stop button 142, and a reset button 143, and the start button 141, the stop button 142, and the reset button 143 are all connected to the PLC controller 114; the display screen 120 is a touch display screen; and the power supply 111 is a 24V power supply.

Claims

1. An automatic mortise rolling machine for radio frequency coaxial connectors, characterized in that: The invention comprises a stand (100), a control box (110), an automatic feeding device (200) and a rotation adjustment device (300); the upper end of the stand (100) is provided with the automatic feeding device (200) and the rotation adjustment device (300), and the lower end of the stand (100) is provided with the control box (110); the automatic feeding device (200) and the rotation adjustment device (300) are both control-connected to the control box (110); the automatic feeding device (200) is provided with a rolling cutter (240), and the rotation adjustment device (300) is provided with a connector shell; the control box (110) controls the displacement of the automatic feeding device (200), and at the same time, the control box (110) controls the rotation adjustment device (300) to clamp and rotate the connector shell, so that the automatic feeding device (200) contacts the connector shell for rolling.

2. The RF coaxial connector automatic mortise rolling machine according to claim 1, characterized in that: The control box (110) is provided with a power supply (111), a PLC controller (114), a first servo motor (113), a solid-state relay (115) and a servo motor driver (112) inside; the control box (110) is provided with a display screen (120), an emergency stop button (130) and a control button (140) outside; the power supply (111) is connected to the PLC controller (114), the PLC controller (114) is connected to the servo motor driver (112) through the solid-state relay (115), the servo motor driver (112) is respectively connected to the first servo motor (113), the automatic feeding device (200) and the rotation adjustment device (300); the PLC controller (114) is also respectively connected to the display screen (120), the emergency stop button (130) and the control button (140).

3. The RF coaxial connector automatic mortise rolling machine according to claim 2, characterized in that: The automatic feeding device (200) comprises a feeding servo motor (220), a lead screw module (210) and a knife seat (230); the feeding servo motor (220) is provided at the side end of the lead screw module (210), and the feeding servo motor (220) is connected to the servo motor driver (112); the knife seat (230) is provided at the upper end of the lead screw module (210), and the knife seat (230) is provided with the hob (240).

4. The RF coaxial connector automatic mortise rolling machine according to claim 3, characterized in that: The tool holder (230) is fixed to the upper end of the screw module (210) by bolts, and the tool holder (230) is provided with a plurality of tool holders (231). The tool holders (231) are concave tool holders, and the rollers (240) are provided in the notches of the concave tool holders and are fastened by bolts provided on the outside of the notches of the concave tool holders.

5. The RF coaxial connector automatic mortise rolling machine according to claim 2, characterized in that: The rotary adjustment device (300) comprises a clamping cylinder (320), a rotary servo motor (310), a collet (330), a positioning bolt (340) and an adjustment handle (350); the air inlet and the air outlet of the clamping cylinder (320) are respectively connected to the air circuit of the solenoid valve through an air pipe, the solenoid valve is electrically connected to the PLC controller (114), and the rotary servo motor (310) is connected to the servo motor driver (112); the power output end of the clamping cylinder (320) is connected to the collet (330) through the adjustment handle (350), and the positioning bolt (340) passes through the adjustment handle (350) and is connected to the collet (330).

6. The RF coaxial connector automatic mortise rolling machine according to claim 5, characterized in that: The adjusting handle (350) is provided with a rotating shaft (351), and the rotating shaft (351) is located between the adjusting handle (350) and the collet (330), the lower end of the rotating shaft (351) is fixedly connected to the stand (100), and the upper end of the rotating shaft (351) is movably connected to the adjusting handle (350).

7. The automatic mortise rolling machine for RF coaxial connectors according to claim 6, characterized in that: The collet (330) comprises a sleeve (331) and an elastic collet (332), the sleeve (331) being provided with the elastic collet (332), the sleeve (331) being connected to the adjustment handle (350), the connection end of the elastic collet (332) being connected to the rotary servo motor (310), the clamping end of the elastic collet (332) being provided with the connector housing, and the positioning bolt (340) passing through the adjustment handle (350) being provided inside the connection end of the elastic collet (332).

8. The automatic mortise rolling machine for radio frequency coaxial connectors according to claim 4, characterized in that: The hob (240) is a tungsten steel hob, and the lead screw module (210) is a KK module.

9. The automatic mortise rolling machine for radio frequency coaxial connectors according to claim 2, characterized in that: The control buttons (140) include a start button (141), a stop button (142), and a reset button (143); the start button (141), the stop button (142), and the reset button (143) are all connected to the PLC controller (114); the display screen (120) is a touch display screen; and the power supply (111) is a 24V power supply.

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