CN220963770U - Circular waveguide crack antenna clamp - Google Patents

Circular waveguide crack antenna clamp Download PDF

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Publication number
CN220963770U
CN220963770U CN202322999713.0U CN202322999713U CN220963770U CN 220963770 U CN220963770 U CN 220963770U CN 202322999713 U CN202322999713 U CN 202322999713U CN 220963770 U CN220963770 U CN 220963770U
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China
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circular waveguide
rotating
driving
clamping
fixed plate
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CN202322999713.0U
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Chinese (zh)
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李平
袁庆
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Chengdu Nanjiao Technology Co ltd
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Chengdu Nanjiao Technology Co ltd
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Abstract

The utility model provides a circular waveguide crack antenna clamp, which belongs to the precision part processing technology, and comprises the following components: the driving bars are arranged in parallel, two moving channels are formed in the driving bars, and sliding blocks are matched in the moving channels; the clamping assemblies are arranged between the two sliding blocks and comprise a fixed plate and clamping heads, two sides of the fixed plate are connected with limiting rods, the limiting rods are vertically connected with the sliding blocks, and the clamping heads are movably arranged at one end of the same fixed plate; the rotating assembly comprises a moving plate and a rotating column, the moving plate is parallel to the fixed plate and is arranged on the limiting rod in a sliding penetrating manner, and the rotating column is rotationally arranged at one end of the moving plate; and the rotating shaft of the first rotating mechanism is vertically connected with the driving strip. The utility model can semi-automatically clamp circular waveguide slit antennas of different types, can drive the circular waveguide slit antennas to rotate around the axial direction and the radial direction during clamping, can finish processing at one time, and has higher practicability.

Description

Circular waveguide crack antenna clamp
Technical Field
The application relates to a precision part machining technology, in particular to a circular waveguide crack antenna clamp.
Background
The circular waveguide slot antenna is an antenna which cuts narrow slots on the waveguide wall according to a certain rule to generate electromagnetic wave radiation. In recent decades, the requirements of technological development on radar anti-interference are higher and higher, and the circular waveguide slot antenna is widely applied to microwave communication and radar systems requiring narrow beams or excipient beams, and particularly has the characteristics of small volume, light weight, high caliber efficiency, low wide-angle side lobes and the like, so that the circular waveguide slot antenna is commonly applied to the aerospace industry.
At present, the shape of a circular waveguide slot antenna is generally divided into a circle and a rectangle, and the circular waveguide slot antennas with different shapes correspond to different application scenes. When the circular waveguide slot antenna is subjected to processing steps such as driving, milling, pinning, deburring and the like, a custom fixture is adopted for fixing; at present, most of custom fixtures can only clamp a circular waveguide crack antenna with a single size, and only can process one side of the circular waveguide crack antenna during clamping, and the circular waveguide crack antenna cannot be moved during processing, so that the circular waveguide crack antenna needs to be frequently removed and installed during processing, and the processing efficiency is affected.
Disclosure of utility model
In order to solve the defects of the related prior art, the application provides the circular waveguide slit antenna clamp which can semi-automatically clamp circular waveguide slit antennas of different types, can drive the circular waveguide slit antennas to rotate around the axial direction and the radial direction during clamping, can finish machining at one time, and has higher practicability.
In order to achieve the above object, the present utility model adopts the following technique:
a circular waveguide slot antenna fixture comprising:
The two driving strips are arranged in parallel, two moving channels are formed in the driving strips along the length direction of the driving strips, and sliding blocks are slidably matched in the moving channels;
The clamping assembly is respectively arranged between two sliding blocks arranged on the same side in the two driving strips, the clamping assembly comprises a fixed plate and clamping heads, two sides of the fixed plate are vertically connected with limiting rods, the limiting rods are vertically connected with the sliding blocks, two groups of clamping heads are arranged, each group of clamping heads is two, the clamping heads in the same group are arranged at one end of the same fixed plate and are arranged in a moving mode along the length direction of one end of the fixed plate, and the clamping heads are used for contacting with the upper surface and the lower surface of a circular waveguide crack antenna to be processed and clamping the circular waveguide crack antenna;
The rotating assembly comprises a moving plate and a rotating column, the moving plate is parallel to the fixed plate and is arranged on the limiting rod in a sliding penetrating mode, the rotating column is arranged at one end of the moving plate around a self rotating shaft and is arranged along the length direction of one end of the moving plate and used for clamping a circular waveguide crack antenna to be processed and driving the circular waveguide crack antenna to rotate around the self rotating shaft;
and the rotating shaft of the first rotating mechanism is vertically connected with the driving strip and is used for driving the clamp to rotate.
Further, the first electric screw rods are arranged in the moving channels along the length direction of the driving strips, and the sliding blocks are matched with the first electric screw rods.
Further, a second electric screw rod is arranged between the sliding block and the fixed plate along the length direction of the limiting rod, and the moving plate is matched with the second electric screw rod.
Further, at least one of the rotating posts is connected with a second rotating mechanism for driving the rotating post to rotate around a central shaft thereof.
Further, the clamping heads are connected with telescopic mechanisms, and the telescopic mechanisms are used for driving the clamping heads to clamp the circular waveguide slot antenna.
Further, the fixture further comprises a mounting seat, the mounting seat comprises a bottom plate and bearing tables arranged at two ends of the upper surface of the bottom plate, the first rotating mechanism is arranged on one bearing table and connected with one driving strip, the other bearing table is provided with a rotating seat, the rotating seat is rotationally connected with the other driving strip, and the rotating seat is used for supporting the rotation of the fixture.
The utility model has the beneficial effects that:
The circular waveguide crack antenna is clamped by the clamping head, the circular waveguide crack antenna is driven by the rotating column to rotate along the axis, the circular waveguide crack antenna can be driven by the first rotating mechanism to rotate along the radial direction, and the circular waveguide crack antenna can be machined without secondary installation or detachment, so that the machining efficiency is greatly improved.
Drawings
Fig. 1 is a schematic perspective view of a circular waveguide slot antenna fixture according to an embodiment of the present application.
Fig. 2 is an enlarged partial schematic view of fig. 1 at a according to an embodiment of the present application.
The marks in the figure: the device comprises a 1-driving bar, a 11-moving channel, a 12-sliding block, a 13-first electric screw rod, a 2-clamping assembly, a 21-fixed plate, a 22-clamping head, a 23-limiting rod, a 24-second electric screw rod, a 25-telescopic mechanism, a 3-rotating assembly, a 31-moving plate, a 32-rotating column, a 33-second rotating mechanism, a 4-first rotating mechanism, a 5-mounting seat and a 51-rotating seat.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the following detailed description of the embodiments of the present utility model will be given with reference to the accompanying drawings, but the described embodiments of the present utility model are some, but not all embodiments of the present utility model.
As shown in fig. 2, the present embodiment provides a circular waveguide slot antenna fixture, which includes a driving bar 1, a clamping component 2, a rotating component 3, and a first rotating component 4.
Specifically, as shown in fig. 2, two driving strips 1 are arranged in parallel, two moving channels 11 are arranged in the driving strip 1 along the length direction of the driving strip, the two moving channels 11 in the same driving strip 1 are symmetrically arranged along the center plane of the driving strip 1 along the length direction, and sliding blocks 12 are slidably matched in the moving channels 11.
Specifically, as shown in fig. 1 and fig. 2, two clamping assemblies 2 are respectively arranged between two sliding blocks 12 arranged on the same side in two driving strips 1, each clamping assembly 2 comprises a fixed plate 21 and a clamping head 22, two sides of each fixed plate 21 are vertically connected with a limiting rod 23, each limiting rod 23 is vertically connected with one sliding block 12, and more specifically, in the example, four limiting rods 23 are arranged between one sliding block 12 and one fixed plate 21; the clamping heads 22 are arranged in two groups, each group is provided with two clamping heads, the clamping heads in the same group are arranged at one end of the same fixed plate 21 and are arranged in a moving way along the length direction of one end of the fixed plate 21, and one end of the fixed plate 21 is the opposite end of the two fixed plates 21; the clamping head 22 is used for contacting with and clamping the upper and lower surfaces of the circular waveguide slot antenna to be processed.
Specifically, as shown in fig. 1 and 2, the rotating assembly 3 includes a moving plate 31 and a rotating column 32, where the moving plate 31 is parallel to the fixed plate 21 and is slidably disposed on the limiting rod 23, and the rotating column 32 is disposed at one end of the moving plate 31 around its own rotation axis and is disposed along the length direction of one end of the moving plate 31, and is used to radially clamp a circular waveguide slot antenna to be processed and drive the circular waveguide slot antenna to rotate around its own rotation axis; preferably, the surface of the rotating post 32 may be coated with a material with high friction, such as rubber, to drive the circular waveguide slot antenna to rotate more smoothly.
Specifically, as shown in fig. 1 and 2, the rotation shaft of the first rotation mechanism 4 is vertically connected to the driving bar 1 for driving the rotation of the jig; more specifically, the first rotation mechanism 4 may employ a mechanical rotation driving device such as a rotary motor, or the like.
When the circular waveguide slot antenna works, the sliding block 12 is moved, the sliding block 12 stretches out the distance between the two clamping assemblies 2 through the limiting rod 23, the circular waveguide slot antenna to be processed is stopped between the two clamping assemblies 2, the sliding block 12 is moved again, the clamping head 22 is positioned above and below the circular waveguide slot antenna to be processed, and the clamping head 22 is moved, so that the clamping head 22 clamps the circular waveguide slot antenna; the rotating assembly 3 is moved along the stop bar 23 so that the four rotating posts 32 are all in close proximity to the edges of the circular waveguide slot antenna. After one surface is processed, turning over the circular waveguide slot antenna by using a first rotating mechanism 4; when the surface of the circular waveguide slit antenna is blocked by the clamp and cannot be processed, the clamping head 22 is moved, so that the clamping head 22 is separated from clamping the circular waveguide slit antenna, the rotating column 32 is rotated to drive the circular waveguide slit antenna to rotate around the central shaft until the position to be processed is moved to a position which is not blocked by the clamp, and then the processing can be continued.
Preferably, as shown in fig. 2, the moving channels 11 are each provided with a first electric screw rod 13 along the length direction of the driving bar 1, the sliding blocks 12 are each provided with a first matching hole along the length direction of the driving bar 1, and the first electric screw rods 13 penetrate through and are matched with the first matching holes for driving the sliding blocks 12 to move along the length direction of the driving bar 1.
Preferably, as shown in fig. 2, a second electric screw 24 is disposed between the slider 12 and the fixed plate 21 along the length direction of the stop lever 23, a second mating hole is disposed in the moving plate 31 along the length direction of the stop lever 23, and the second electric screw 24 is disposed through and mated in the second mating hole, so as to drive the rotating assembly 3 to move along the length direction of the stop lever 23.
Preferably, as shown in fig. 2, one end of the moving plate 31 is vertically connected with two first support bars, the rotating column 32 is disposed between the two first support bars and is respectively rotatably connected with the two first support bars, and at least one rotating column 32 is connected with a second rotating mechanism 33, specifically, in this example, only one second rotating mechanism 33 is provided; the second rotating mechanism 33 is disposed on one of the first support bars and is used for driving the rotating post 32 to rotate around its central axis, and more specifically, the second rotating mechanism 33 may use a mechanical rotation driving device such as a rotating motor, etc.
Preferably, as shown in fig. 2, one end of the fixing plate 21 is vertically connected with two second support bars, the clamping head 22 is arranged between the two second support bars and is respectively connected with a telescopic mechanism 25, four telescopic mechanisms 25 are respectively arranged on the four second support bars, the two telescopic mechanisms 25 corresponding to the same group of clamping heads 22 are coaxially arranged, the telescopic mechanisms 25 are used for driving the clamping head 22 to clamp the circular waveguide slot antenna, and specifically, the telescopic mechanisms 25 can adopt mechanical linear driving devices such as linear cylinders.
Preferably, as shown in fig. 1, the fixture further includes a mounting seat 5, the mounting seat 5 includes a bottom plate and bearing tables disposed at two ends of the upper surface of the bottom plate, the first rotating mechanism 4 is disposed on one bearing table and connected with one driving bar 1, the other bearing table is provided with a rotating seat 51, the rotating seat 51 is rotationally connected with the other driving bar 1, and a connecting shaft of the rotating seat 51 is coaxially disposed with a connecting shaft of the first rotating mechanism 4, and the rotating seat 51 is used for supporting rotation of the fixture.
The above description is only of the preferred embodiments of the present application and is not intended to limit the application, and it will be apparent to those skilled in the art that various modifications and variations can be made in the present application without departing from the spirit and scope of the application. Thus, it is intended that the present application also include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.

Claims (6)

1. A circular waveguide slot antenna fixture, comprising:
Two driving strips (1) are arranged in parallel, two moving channels (11) are formed in the driving strips along the length direction of the driving strips, and sliding blocks (12) are slidably matched in the moving channels (11);
The two clamping assemblies (2) are respectively arranged between two sliding blocks (12) arranged on the same side in the two driving strips (1), each clamping assembly (2) comprises a fixed plate (21) and a clamping head (22), two sides of each fixed plate (21) are vertically connected with limiting rods (23), each limiting rod (23) is vertically connected with each sliding block (12), each clamping head (22) is two groups, the same group of clamping heads (22) are arranged at one end of the same fixed plate (21) and are arranged along the length direction of one end of the fixed plate (21) in a moving mode, and each clamping head (22) is used for being contacted with the upper surface and the lower surface of a circular waveguide crack antenna to be processed and clamping the circular waveguide crack antenna;
The rotating assembly (3) comprises a moving plate (31) and a rotating column (32), wherein the moving plate (31) is parallel to the fixed plate (21) and is arranged on the limiting rod (23) in a sliding penetrating mode, the rotating column (32) is arranged at one end of the moving plate (31) around a rotating shaft of the rotating column and is arranged along the length direction of one end of the moving plate (31) and used for clamping a circular waveguide crack antenna to be processed and driving the circular waveguide crack antenna to rotate around the rotating shaft of the rotating column;
And the first rotating mechanism (4) is vertically connected with the driving strip (1) by a rotating shaft and is used for driving the clamp to rotate.
2. Circular waveguide slot antenna clamp according to claim 1, characterized in that the moving channels (11) are provided with first electric screw rods (13) along the length direction of the driving bar (1), and the sliding blocks (12) are matched with the first electric screw rods (13).
3. The circular waveguide slot antenna clamp according to claim 1, wherein a second electric screw (24) is arranged between the sliding block (12) and the fixed plate (21) along the length direction of the limiting rod (23), and the moving plate (31) is matched with the second electric screw (24).
4. Circular waveguide slot antenna clamp according to claim 1, characterized in that at least one rotating post (32) is connected with a second rotation mechanism (33), said second rotation mechanism (33) being adapted to drive the rotating post (32) to rotate around its own central axis.
5. Circular waveguide slot antenna clamp according to claim 1, characterized in that the clamping heads (22) are each connected with a telescopic mechanism (25), the telescopic mechanisms (25) being used for driving the clamping heads (22) to clamp the waveguide slot antenna.
6. The circular waveguide slot antenna clamp according to claim 1, further comprising a mounting base (5), wherein the mounting base (5) comprises a bottom plate and bearing tables arranged at two ends of the upper surface of the bottom plate, the first rotating mechanism (4) is arranged on one bearing table and connected with one driving strip (1), the other bearing table is provided with a rotating base (51), the rotating base (51) is rotationally connected with the other driving strip (1), and the rotating base (51) is used for supporting rotation of the clamp.
CN202322999713.0U 2023-11-07 2023-11-07 Circular waveguide crack antenna clamp Active CN220963770U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202322999713.0U CN220963770U (en) 2023-11-07 2023-11-07 Circular waveguide crack antenna clamp

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202322999713.0U CN220963770U (en) 2023-11-07 2023-11-07 Circular waveguide crack antenna clamp

Publications (1)

Publication Number Publication Date
CN220963770U true CN220963770U (en) 2024-05-14

Family

ID=91011732

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202322999713.0U Active CN220963770U (en) 2023-11-07 2023-11-07 Circular waveguide crack antenna clamp

Country Status (1)

Country Link
CN (1) CN220963770U (en)

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