Waveguide tube bending device

Abstract

The invention discloses a waveguide tube bending device, which relates to the field of waveguide tube processing, and comprises a workbench, a rotating table, a rotating driving mechanism, a supporting table, a rear end adjusting and limiting mechanism, a side part adjusting and limiting mechanism, a positioning bending mold, a rotating bending mold and a controller, the rotary driving mechanism is arranged on the workbench and used for driving the rotary table to rotate, the supporting table is arranged on the upper portion of the workbench, the front end of the supporting table is located above the rotary table, the rear end adjusting and limiting mechanism and the side adjusting and limiting mechanism are both arranged on the supporting table, and the positioning and bending die is detachably installed on the upper portion of the front end of the supporting table. The rotary bending die is installed on the rotary table and can rotate along with the rotary table so as to bend the front end of the waveguide tube. According to the waveguide tube bending device, the bending precision is improved, the bending angle is controllable, the consistency is high, and the working efficiency is improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of waveguide processing, in particular to a waveguide bending device. BACKGROUND

[0002] Waveguide is an important device for transmitting microwave signals in microwave systems, and its processing precision directly affects the performance of the microwave system. Waveguide bending is a key process in waveguide processing, and the traditional bending method has the problems of low precision, uncontrollable bending angle, poor consistency and low efficiency, which is difficult to meet the processing needs of high-precision waveguide in production. SUMMARY

[0003] To solve the above technical problems, the present application provides a waveguide bending device, which improves the bending precision, and the bending angle is controllable, the consistency is high, and the work efficiency is improved.

[0004] To achieve the above purpose, the present application provides the following scheme:

[0005] The present application provides a waveguide bending device, which comprises a workbench, a rotating table, a rotating drive mechanism, a support table, a rear end adjusting and limiting mechanism, a side adjusting and limiting mechanism, a positioning bending die, a rotating bending die and a controller, the rotating table is rotatably installed on the upper part of the workbench, the rotating drive mechanism is arranged on the workbench and is used to drive the rotation of the rotating table, the support table is arranged on the upper part of the workbench, and the front end of the support table is located above the rotating table, the rear end adjusting and limiting mechanism and the side adjusting and limiting mechanism are arranged on the support table, the positioning bending die is detachably installed on the upper part of the front end of the support table, the rear end adjusting and limiting mechanism is used to limit the rear end of the waveguide, the support table is used to limit the bottom of the waveguide, the positioning bending die is used to limit the top and one side of the waveguide, the side adjusting and limiting mechanism is used to limit the other side of the waveguide, the rotating bending die is installed on the rotating table and can rotate with the rotating table to bend the front end of the waveguide, and the rotating drive mechanism is connected with the controller.

[0006] Preferably, the side adjusting and limiting mechanism is a bidirectional feeding screw module, a support frame is arranged on the support table, the bidirectional feeding screw module is arranged on the front side of the support frame, the left clamping block and the right clamping block of the bidirectional feeding screw module are respectively located on the two sides of the positioning bending die, and the handle of the bidirectional feeding screw module is used to rotate the bidirectional screw of the bidirectional feeding screw module, so that the left clamping block and the right clamping block move towards or away from each other; when the waveguide tube is placed on the right side of the positioning bending die, the positioning bending die and the right clamping block are used to limit the left and right sides of the waveguide tube; when the waveguide tube is placed on the left side of the positioning bending die, the left clamping block and the positioning bending die are used to limit the left and right sides of the waveguide tube.

[0007] Preferably, the rear end adjusting and limiting mechanism comprises a left linear moving slide table and a right linear moving slide table arranged on the support table, the length directions of the left linear moving slide table and the right linear moving slide table are perpendicular to the length direction of the bidirectional feeding screw module, a left limiting part is arranged on the left sliding block of the left linear moving slide table, a left motor of the left linear moving slide table is connected with the controller, a right limiting part is arranged on the right sliding block of the right linear moving slide table, and a right motor of the right linear moving slide table is connected with the controller; when the waveguide tube is placed on the right side of the positioning bending die, the controller can enable the right limiting part to limit the rear end of the waveguide tube by controlling the right motor; when the waveguide tube is placed on the left side of the positioning bending die, the controller can enable the left limiting part to limit the rear end of the waveguide tube by controlling the left motor.

[0008] Preferably, the left limiting part comprises a left connecting plate and a left vertical limiting plate, and the front and rear ends of the left connecting plate are connected with the left vertical limiting plate and the left sliding block respectively; the right limiting part comprises a right connecting plate and a right vertical limiting plate, and the front and rear ends of the right connecting plate are connected with the right vertical limiting plate and the right sliding block respectively.

[0009] Preferably, the fixing mechanism comprises a plurality of first fixing bolts and a plurality of positioning pins, a plurality of fixing through holes and a plurality of first positioning holes are arranged on the positioning bending die, a first threaded hole corresponding to the fixing through hole and a second positioning hole corresponding to the first positioning hole are arranged at the front end of the support table, each positioning pin is used to extend into the second positioning hole through the first positioning hole, and each first fixing bolt is used to pass through the fixing through hole and be installed in the first threaded hole.

[0010] Preferably, the positioning bending die comprises positioning blocks and a top limiting plate arranged on top of the positioning blocks, each of the fixing through holes penetrates through the top limiting plate and the positioning blocks, and each of the first positioning holes penetrates through the top limiting plate and the positioning blocks; the left and right sides of the positioning blocks are vertical planes parallel to each other, the front end of the positioning blocks is a circular arc surface, and the top limiting plate extends outward relative to the left side, the right side and the front end of the positioning blocks.

[0011] Preferably, the rotating bending die comprises a mounting block, a vertical shaft and a bending bearing, the mounting block is detachably mounted on the rotating table, the vertical shaft is arranged on the mounting block, and the inner ring of the bending bearing is fixedly sleeved on the vertical shaft.

[0012] Preferably, the rotating bending die further comprises a second fixing bolt, a waist-shaped hole is arranged on the mounting block, a second threaded hole is arranged on the rotating table, and the second fixing bolt is used for penetrating through the waist-shaped hole and being mounted in the second threaded hole.

[0013] Preferably, the rotating bending die further comprises a metal sheet and a proximity switch, the metal sheet is arranged on the lower part of the rotating table, the proximity switch is arranged on the workbench and connected with the controller, and the proximity switch is used for detecting the metal sheet.

[0014] Preferably, the rotating drive mechanism comprises a rotating motor and a transmission gear set, the rotating motor is arranged on the lower part of the workbench, the rotating table is rotatably mounted on the upper part of the workbench through a central shaft, the power output shaft of the rotating motor extends to the upper part through the workbench and is connected with the central shaft through the transmission gear set, and the rotating motor is connected with the controller.

[0015] The present application has the following technical effects relative to the prior art:

[0016] The waveguide bending device comprises a workbench, a rotating table, a rotating drive mechanism, a supporting table, a rear end adjusting and limiting mechanism, a side adjusting and limiting mechanism, a positioning bending die, a rotating bending die and a controller. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed in the embodiments. Obviously, the drawings described below only illustrate some of the embodiments of the present application, and for those skilled in the art, other drawings can also be obtained from these drawings without creative labor.

[0018] Figure 1 A first perspective view of the waveguide bending device provided by the present application;

[0019] Figure 2 A second perspective view of the waveguide bending device provided by the present application;

[0020] Figure 3 A third perspective view of the waveguide bending device provided by the present application;

[0021] Figure 4 A fourth perspective view of the waveguide bending device provided by the present application;

[0022] Figure 5 A perspective view of the waveguide bending device provided by the present application when the waveguide is not placed.

[0023] The reference signs are as follows: 100, waveguide bending device; 1, workbench; 2, support table; 3, vertical support plate; 4, rotating table; 5, rotating motor; 6, support frame; 7, bidirectional feeding screw module; 71, left clamping block; 72, right clamping block; 73, handle; 8, left linear movement sliding table; 9, right linear movement sliding table; 10, left connecting plate; 11, left vertical limiting plate; 12, right connecting plate; 13, right vertical limiting plate; 14, positioning bending die; 141, positioning block; 142, top limiting plate; 143, first positioning hole; 144, fixed through hole; 15, mounting block; 16, waist-shaped hole; 17, second threaded hole; 18, vertical shaft; 19, bending bearing; 20, control panel; 21, waveguide. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only some of the embodiments of the present application, and not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.

[0025] The present application aims to provide a waveguide bending device, which improves bending precision, has controllable bending angle, high consistency, and improves work efficiency.

[0026] In order to make the above objectives, characteristics and advantages of the present application more apparent, further specific embodiments will be described in detail below with reference to the drawings and specific embodiments.

[0027] As shown in Figures 1-5 The present embodiment provides a waveguide bending device 100, which comprises a workbench 1, a rotating table 4, a rotating drive mechanism, a support table 2, a rear end adjusting and limiting mechanism, a side adjusting and limiting mechanism, a positioning and bending die 14, a rotating and bending die, and a controller. The rotating table 4 is rotatably installed on the upper portion of the workbench 1, the rotating drive mechanism is arranged on the workbench 1 and is used to drive the rotating table 4 to rotate, and the support table 2 is arranged on the upper portion of the workbench 1 and the front end of the support table 2 is located above the rotating table 4. In the present embodiment, the support table 2 is installed on the upper portion of the workbench 1 through a plurality of vertical support plates 3. The rear end adjusting and limiting mechanism and the side adjusting and limiting mechanism are both arranged on the support table 2, the positioning and bending die 14 is detachably installed on the upper portion of the front end of the support table 2, the rear end adjusting and limiting mechanism is used to limit the rear end of the waveguide 21, the support table 2 is used to limit the bottom of the waveguide 21, the positioning and bending die 14 is used to limit the top and one side of the waveguide 21, the side adjusting and limiting mechanism is used to limit the other side of the waveguide 21, the rotating and bending die is installed on the rotating table 4 and can rotate with the rotating table 4 to bend the front end of the waveguide 21, and the rotating drive mechanism is connected with the controller.

[0028] In work, the rear end adjusting and limiting mechanism limits the rear end of the waveguide 21, the support table 2 limits the bottom of the waveguide 21, the positioning and bending die 14 limits the top and one side of the waveguide 21, the side adjusting and limiting mechanism limits the other side of the waveguide 21, and after the positioning and installation of the waveguide 21 are completed, the rotating and bending die rotates with the rotating table 4 to bend the front end of the waveguide 21.

[0029] In the present embodiment, the rotating table 4 and the rotating and bending die are controlled by the controller to rotate, and the bending of the waveguide 21 is realized in cooperation with the positioning and bending die 14. The bending angle can be controlled by controlling the rotation angle of the rotating table 4, the bending precision is improved, the bending angle is controllable, the consistency is high, and the work efficiency is improved.

[0030] The side adjusting and limiting mechanism is a bidirectional feeding screw module 7, the support table 2 is provided with a support frame 6, the bidirectional feeding screw module 7 is arranged on the front side of the support frame 6, the left clamping block 71 and the right clamping block 72 of the bidirectional feeding screw module 7 are respectively located on the two sides of the positioning and bending die 14, and the handle 73 of the bidirectional feeding screw module 7 is used to rotate the bidirectional screw of the bidirectional feeding screw module 7 so that the left clamping block 71 and the right clamping block 72 move towards or away from each other.

[0031] When the waveguide tube 21 is placed on the right side of the positioning bending die 14, the positioning bending die 14 and the right clamping block 72 are used for limiting the left and right sides of the waveguide tube 21; when the waveguide tube 21 is placed on the left side of the positioning bending die 14, the left clamping block 71 and the positioning bending die 14 are used for limiting the left and right sides of the waveguide tube 21.

[0032] The waveguide tube 21 in the embodiment is placed on the left side or the right side of the positioning bending die 14, so that the waveguide tube 21 can be bent to the right or to the left, to meet the bending requirements in different directions, thereby improving the flexibility of the device.

[0033] The bidirectional feeding screw module 7 in the embodiment is a bidirectional feeding trapezoidal screw module with self-locking function, so that the side of the waveguide tube 21 is stably limited.

[0034] The rear end adjusting and limiting mechanism includes a left linear moving slide table 8 and a right linear moving slide table 9 arranged on the support table 2, the length directions of the left linear moving slide table 8 and the right linear moving slide table 9 are perpendicular to the length direction of the bidirectional feeding screw module 7, a left limiting component is arranged on the left sliding block of the left linear moving slide table 8, a left motor of the left linear moving slide table 8 is connected with the controller, a right limiting component is arranged on the right sliding block of the right linear moving slide table 9, a right motor of the right linear moving slide table 9 is connected with the controller; the left limiting component and the right limiting component are respectively located on the left and right sides behind the positioning bending die 14.

[0035] When the waveguide tube 21 is placed on the right side of the positioning bending die 14, the controller can make the right limiting component limit the rear end of the waveguide tube 21 by controlling the right motor; when the waveguide tube 21 is placed on the left side of the positioning bending die 14, the controller can make the left limiting component limit the rear end of the waveguide tube 21 by controlling the left motor.

[0036] Specifically, the left limiting component includes a left connecting plate 10 and a left vertical limiting plate 11, the front and rear ends of the left connecting plate 10 are respectively connected with the left vertical limiting plate 11 and the left sliding block, and the left vertical limiting plate 11 is used for limiting the rear end of the waveguide tube 21 placed on the left side of the positioning bending die 14. The right limiting component includes a right connecting plate 12 and a right vertical limiting plate 13, the front and rear ends of the right connecting plate 12 are respectively connected with the right vertical limiting plate 13 and the right sliding block, and the right vertical limiting plate 13 is used for limiting the rear end of the waveguide tube 21 placed on the right side of the positioning bending die 14.

[0037] The left linear moving slide table 8 and the right linear moving slide table 9 in the embodiment are high-precision linear moving slide tables.

[0038] The embodiment further comprises a fixing mechanism, the fixing mechanism comprises a plurality of first fixing bolts and a plurality of positioning pins, the positioning bending die 14 is provided with a plurality of fixing through holes 144 and a plurality of first positioning holes 143, the front end of the support table 2 is provided with a first threaded hole corresponding to the fixing through hole 144 and a second positioning hole corresponding to the first positioning hole 143, each positioning pin is used to pass through a first positioning hole 143 to extend into a second positioning hole, and each first fixing bolt is used to pass through a fixing through hole 144 and is installed in a first threaded hole.

[0039] When the positioning bending die 14 needs to be fixed, the positioning pins are inserted to realize the positioning of the positioning bending die 14, and then the fixing bolts are used to realize the fixing of the positioning bending die 14.

[0040] The positioning bending die 14 comprises a positioning block 141 and a top limiting plate 142 arranged on the top of the positioning block 141, each fixing through hole 144 penetrates the top limiting plate 142 and the positioning block 141, and each first positioning hole 143 penetrates the top limiting plate 142 and the positioning block 141; the left and right sides of the positioning block 141 are vertical faces parallel to each other, and the front end of the positioning block 141 is a circular arc face, and the center axis of the circular arc face is arranged in line with the center axis around which the rotating table 4 rotates. The top limiting plate 142 extends outward relative to the left side, the right side and the front end of the positioning block 141, thereby being capable of limiting the top of the waveguide tube 21.

[0041] When the waveguide tube 21 is placed on the right side of the positioning bending die 14, the vertical face on the right side of the positioning block 141 and the right clamping block 72 are used to limit the left and right sides of the waveguide tube 21; when the waveguide tube 21 is placed on the left side of the positioning bending die 14, the left clamping block 71 and the vertical face on the left side of the positioning block 141 are used to limit the left and right sides of the waveguide tube 21.

[0042] The rotating bending die comprises a mounting block 15, a vertical shaft 18 and a bending bearing 19, the mounting block 15 is detachably mounted on the rotating table 4, the vertical shaft 18 is arranged on the mounting block 15, the inner ring of the bending bearing 19 is fixedly sleeved on the vertical shaft 18, and the outer ring of the bending bearing 19 is used to contact the waveguide tube 21. The outer ring of the bending bearing 19 in the embodiment can rotate when contacting the waveguide tube 21, that is, a die pressing follow-up bending process is adopted in the embodiment, so that the stress in the bending process of the waveguide tube 21 is reduced, and the deformation of the waveguide tube 21 in the bending process is effectively prevented.

[0043] The rotary bending die further comprises a second fixing bolt, a waist-shaped hole 16 is arranged on the mounting block 15, a second threaded hole 17 is arranged on the rotary table 4, and the second fixing bolt is used for penetrating through the waist-shaped hole 16 and being installed in the second threaded hole 17. When it is needed to adjust the position of the rotary bending die, the second fixing bolt is screwed upwards so as not to fix the mounting block 15, so that the mounting block 15 moves relative to the second fixing bolt, and after the mounting block 15 is moved to the required position, the second fixing bolt is screwed downwards so as to be tightly fixed on the mounting block 15 again.

[0044] In the embodiment, the rotary table 4 is circular, a plurality of second threaded holes 17 are arranged on the rotary table 4 in sequence along the radial direction, and the rotary bending die further comprises a plurality of second fixing bolts corresponding to the second threaded holes 17 in one-to-one manner, each second fixing bolt is used for penetrating through the waist-shaped hole 16 and being installed in one second threaded hole 17.

[0045] When the second fixing bolt does not fix the mounting block 15, the mounting block 15 can move along the radial direction of the rotary table 4, and then be fixed again by the second fixing bolt, so as to adjust the distance between the bending bearing 19 and the positioning bending die 14, so as to be suitable for waveguides 21 of different sizes.

[0046] The embodiment further comprises a metal sheet and a proximity switch, the metal sheet is arranged on the lower part of the rotary table 4, the proximity switch is arranged on the workbench 1 and connected with the controller, and the proximity switch is used for detecting the metal sheet. An initial position of the rotary table 4 is set in the controller, and when the proximity switch detects the metal sheet, it indicates that the rotary table 4 returns to the initial position.

[0047] The rotary driving mechanism comprises a rotary motor 5 and a transmission gear set, the rotary motor 5 is arranged on the lower part of the workbench 1, the rotary table 4 is rotatably installed on the upper part of the workbench 1 through a central shaft, the power output shaft of the rotary motor 5 extends to the upper part through the workbench 1 and is connected with the central shaft through the transmission gear set, and the rotary motor 5 is connected with the controller. The central shaft in the embodiment is rotatably installed on the workbench 1 through a central bearing. The rotary motor 5 in the embodiment is a high-precision servo motor.

[0048] In operation, the controller controls the rotary motor 5 to be turned on, the rotary motor 5 can drive the central shaft and the rotary table 4 to rotate through the transmission gear set, so that the rotary bending die on the rotary table 4 rotates, and the front end of the waveguide 21 is bent. In the embodiment, the rotary angle of the rotary table 4 can be controlled by controlling the rotary motor 5, and the bending angle of the waveguide 21 can be controlled.

[0049] The embodiment further comprises a control panel 20, and the control panel 20 is connected with the controller. The control panel 20 comprises a touch screen, a power button and a start button. The controller in the embodiment is a PLC controller.

[0050] The specific use process is as follows: the plug of the device is plugged into the power supply, the power button is pressed, the whole device is started, the touch screen is turned on and a picture is displayed. The operation on the touch screen makes the rotating table 4 automatically perform the original point finding operation, that is, after the operation on the touch screen, the controller controls the rotating motor 5 to drive the rotating table 4 to rotate to the initial position, which is the position of the metal sheet on the rotating table 4 detected by the proximity switch.

[0051] As shown in Figure 1 The specific use process is as follows: the plug of the device is plugged into the power supply, the power button is pressed, the whole device is started, the touch screen is turned on and a picture is displayed. The operation on the touch screen makes the rotating table 4 automatically perform the original point finding operation, that is, after the operation on the touch screen, the controller controls the rotating motor 5 to drive the rotating table 4 to rotate to the initial position, which is the position of the metal sheet on the rotating table 4 detected by the proximity switch.

[0052] The specific use process is as follows: the plug of the device is plugged into the power supply, the power button is pressed, the whole device is started, the touch screen is turned on and a picture is displayed. The operation on the touch screen makes the rotating table 4 automatically perform the original point finding operation, that is, after the operation on the touch screen, the controller controls the rotating motor 5 to drive the rotating table 4 to rotate to the initial position, which is the position of the metal sheet on the rotating table 4 detected by the proximity switch.

[0053] The specific use process is as follows: the plug of the device is plugged into the power supply, the power button is pressed, the whole device is started, the touch screen is turned on and a picture is displayed. The operation on the touch screen makes the rotating table 4 automatically perform the original point finding operation, that is, after the operation on the touch screen, the controller controls the rotating motor 5 to drive the rotating table 4 to rotate to the initial position, which is the position of the metal sheet on the rotating table 4 detected by the proximity switch.

[0054] The specific use process is as follows: the plug of the device is plugged into the power supply, the power button is pressed, the whole device is started, the touch screen is turned on and a picture is displayed. The operation on the touch screen makes the rotating table 4 automatically perform the original point finding operation, that is, after the operation on the touch screen, the controller controls the rotating motor 5 to drive the rotating table 4 to rotate to the initial position, which is the position of the metal sheet on the rotating table 4 detected by the proximity switch.

[0054] The specific use process is as follows: the plug of the device is plugged into the power supply, the power button is pressed, the whole device is started, the touch screen is turned on and a picture is displayed. The operation on the touch screen makes the rotating table 4 automatically perform the original point finding operation, that is, after the operation on the touch screen, the controller controls the rotating motor 5 to drive the rotating table 4 to rotate to the initial position, which is the position of the metal sheet on the rotating table 4 detected by the proximity switch.

Claims

1. A waveguide bending device, characterized in that, The device includes a worktable, a rotary table, a rotary drive mechanism, a support platform, a rear adjustment and limiting mechanism, a side adjustment and limiting mechanism, a positioning and bending die, a rotary bending die, and a controller. The rotary table is rotatably mounted on the upper part of the worktable. The rotary drive mechanism is disposed on the worktable and is used to drive the rotary table to rotate. The support platform is disposed on the upper part of the worktable, with its front end located above the rotary table. The rear adjustment and limiting mechanism and the side adjustment and limiting mechanism are both disposed on the support platform. The positioning and bending die is detachably mounted on the upper part of the front end of the support platform. The rear adjustment and limiting mechanism is used to limit the rear end of the waveguide. The support platform is used to limit the bottom of the waveguide. The positioning and bending die is used to limit the top and one side of the waveguide. The side adjustment and limiting mechanism is used to limit the other side of the waveguide. The rotary bending die is mounted on the rotary table and can rotate with the rotary table to bend the front end of the waveguide. The rotary drive mechanism is connected to the controller.

2. The waveguide bending device according to claim 1, characterized in that, The side adjustment and limiting mechanism is a bidirectional feed screw module. A support frame is provided on the support platform, and the bidirectional feed screw module is located on the front side of the support frame. The left and right clamping blocks of the bidirectional feed screw module are respectively located on both sides of the positioning and bending die. The handle of the bidirectional feed screw module is used to rotate the bidirectional screw of the bidirectional feed screw module so that the left and right clamping blocks move towards or away from each other. When the waveguide is placed on the right side of the positioning and bending die, the positioning and bending die and the right clamping block are used to limit the left and right sides of the waveguide. When the waveguide is placed on the left side of the positioning and bending die, the left clamping block and the positioning and bending die are used to limit the left and right sides of the waveguide.

3. The waveguide bending device according to claim 2, characterized in that, The rear-end adjustment and limiting mechanism includes a left linear sliding table and a right linear sliding table mounted on the support platform. The length directions of both the left and right linear sliding tables are perpendicular to the length direction of the bidirectional feed screw module. A left limiting component is provided on the left slider of the left linear sliding table, and the left motor of the left linear sliding table is connected to the controller. A right limiting component is provided on the right slider of the right linear sliding table, and the right motor of the right linear sliding table is connected to the controller. When the waveguide is placed on the right side of the positioning and bending mold, the controller controls the right motor to limit the rear end of the waveguide by the right limiting component. When the waveguide is placed on the left side of the positioning and bending mold, the controller controls the left motor to limit the rear end of the waveguide by the left limiting component.

4. The waveguide bending device according to claim 3, characterized in that, The left limiting component includes a left connecting plate and a left vertical limiting plate, with the front and rear ends of the left connecting plate connected to the left vertical limiting plate and the left slider, respectively; the right limiting component includes a right connecting plate and a right vertical limiting plate, with the front and rear ends of the right connecting plate connected to the right vertical limiting plate and the right slider, respectively.

5. The waveguide bending device according to claim 1, characterized in that, It also includes a fixing mechanism, which includes multiple first fixing bolts and multiple positioning pins. The positioning bending die is provided with multiple fixing through holes and multiple first positioning holes. The front end of the support platform is provided with a first threaded hole corresponding to each of the fixing through holes and a second positioning hole corresponding to each of the first positioning holes. Each positioning pin is used to pass through a first positioning hole and extend into a second positioning hole. Each first fixing bolt is used to pass through a fixing through hole and be installed in a first threaded hole.

6. The waveguide bending device according to claim 5, characterized in that, The positioning and bending mold includes a positioning block and a top limiting plate disposed on the top of the positioning block. Each of the fixing through holes penetrates the top limiting plate and the positioning block, and each of the first positioning holes penetrates the top limiting plate and the positioning block. The left and right sides of the positioning block are parallel vertical surfaces, and the front end of the positioning block is an arc surface. The top limiting plate extends outward relative to the left, right and front end of the positioning block.

7. The waveguide bending device according to claim 1, characterized in that, The rotary bending die includes a mounting block, a vertical shaft, and a bending bearing. The mounting block is detachably mounted on the rotary table, the vertical shaft is disposed on the mounting block, and the inner ring of the bending bearing is fixedly sleeved on the vertical shaft.

8. The waveguide bending device according to claim 7, characterized in that, The rotary bending die also includes a second fixing bolt. The mounting block is provided with a waist-shaped hole, and the rotary table is provided with a second threaded hole. The second fixing bolt is used to pass through the waist-shaped hole and be installed in the second threaded hole.

9. The waveguide bending device according to claim 1, characterized in that, It also includes a metal plate and a proximity switch. The metal plate is disposed on the lower part of the rotary table, and the proximity switch is disposed on the worktable and connected to the controller. The proximity switch is used to detect the metal plate.

10. The waveguide bending device according to claim 1, characterized in that, The rotary drive mechanism includes a rotary motor and a transmission gear set. The rotary motor is located at the lower part of the worktable, and the rotary table is rotatably mounted on the upper part of the worktable via a central shaft. The power output shaft of the rotary motor extends through the worktable to the top and is connected to the central shaft via the transmission gear set. The rotary motor is connected to the controller.

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