CN112658661B - Radiation unit matching block positioning mechanism, assembling device and method - Google Patents
Radiation unit matching block positioning mechanism, assembling device and method Download PDFInfo
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- CN112658661B CN112658661B CN202011479329.2A CN202011479329A CN112658661B CN 112658661 B CN112658661 B CN 112658661B CN 202011479329 A CN202011479329 A CN 202011479329A CN 112658661 B CN112658661 B CN 112658661B
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Abstract
The invention relates to a positioning mechanism, an assembling device and a method for a matching block of a radiation unit. According to the invention, the first clamping cylinder is adopted to drive the first pneumatic clamping jaw to clamp the matching block, and when the matching block clamp extends into the interval between the upper part of the tool rack and the first pneumatic clamping jaw, the first clamping cylinder drives the first pneumatic clamping jaw to release the matching block, so that the matching block falls into the matching block limiting groove of the matching block clamp.
Description
Technical Field
The invention relates to the technical field related to the assembly of a matching block of a radiation unit, in particular to a positioning mechanism, an assembly device and an assembly method of the matching block of the radiation unit.
Background
In a typical antenna radiation unit, a matching block is installed on a waveguide side wall plane inside a cavity, the length and the width of a waveguide opening are small, positioning and fastening are carried out through two screws, the dimensional precision of the preset positions of the matching block and a flange plate at the bottom of a horn cavity needs to be guaranteed in the assembling and adjusting process, an electric tuning test needs to be carried out after assembling, and the assembling precision and the consistency of the matching block directly influence the qualification rate of the electrical performance index test of the radiation unit.
At present, due to the fact that the operation space is narrow and small, and the baffle structure at the edge of the opening and the complex shape of the cavity are formed, the matching block is very difficult to assemble and is difficult to stretch into the cavity of the radiation unit for operation.
Disclosure of Invention
The invention aims to solve the technical problem of the prior art and provides a positioning mechanism, an assembling device and a method for a matching block of a radiation unit.
The technical scheme for solving the technical problems is as follows: the utility model provides a radiating element matches piece positioning mechanism, includes frock frame, first centre gripping cylinder and first pneumatic clamping jaw, first centre gripping cylinder is installed on the frock frame and its drive end is connected and is driven two first pneumatic clamping jaws and open and shut, first pneumatic clamping jaw is located frock frame top and with frock frame interval arrangement, two first pneumatic clamping jaw folds the back and is formed with the matching piece centre gripping hole that is used for the centre gripping to match the piece.
The invention has the beneficial effects that: according to the invention, the first clamping cylinder is adopted to drive the first pneumatic clamping jaw to clamp the matching block, and when the matching block clamp extends into the interval between the upper part of the tool rack and the first pneumatic clamping jaw, the first clamping cylinder drives the first pneumatic clamping jaw to release the matching block, so that the matching block falls into the matching block limiting groove of the matching block clamp.
On the basis of the technical scheme, the invention can be further improved as follows.
Further, still include the air cylinder that pushes down, the air cylinder that pushes down is installed on the frock frame and be used for when the matching block falls into the matching block anchor clamps, compress tightly the matching block in the matching block anchor clamps.
The beneficial effect of adopting the further scheme is that: the matching block can be compactly pressed into the matching block limiting groove by utilizing the pressing cylinder.
Furthermore, the driving end of the lower air cylinder is connected with a pressing block, the pressing block is in an inverted convex shape, and the lower end of the pressing block is matched with the upper surface of the matching block.
The beneficial effect of adopting the further scheme is that: the convex-shaped pressing block can be matched with the matching block-shaped structure, and the matching block can be conveniently pressed down by stretching into the second pneumatic clamping jaw.
Further, first pneumatic clamping jaw is the L type, including mutually perpendicular's linking arm and centre gripping arm, first centre gripping cylinder with the linking arm is connected, the centre gripping arm orientation deviates from one side of first centre gripping cylinder extends, one side of first pneumatic clamping jaw is equipped with the centre gripping groove, works as two after first pneumatic clamping jaw folds, two centre gripping grooves fold and form match a centre gripping hole.
The beneficial effect of adopting the further scheme is that: the clamping groove is convenient to be matched with the matching block in shape, and the L-shaped first pneumatic clamping jaw is convenient to connect and assemble.
Further, still include second centre gripping cylinder and second pneumatic clamping jaw, the second pneumatic clamping jaw is connected to the drive end of second centre gripping cylinder, second centre gripping cylinder installs on the frock frame, the through-hole has been seted up on the frock frame, the second pneumatic clamping jaw is followed the through-hole stretches out in the interval and to placing in the matching piece anchor clamps in the interval carry out the centre gripping location.
The beneficial effect of adopting the further scheme is that: the second pneumatic clamping jaw can be used for clamping and positioning the matching block clamp.
The tool frame is characterized by further comprising a supporting cylinder, the supporting cylinder is installed in the tool frame, and a driving end of the supporting cylinder can extend out of the through hole in the tool frame to the space and support the matched block clamp in the space in a propping mode.
The beneficial effect of adopting the further scheme is that: the matching block fixture can be supported by the supporting cylinder, so that the matching block can be pressed down to enter the groove conveniently.
The clamping device is characterized by further comprising an adjusting cylinder, wherein the adjusting cylinder is installed on the tool frame, and the driving end of the adjusting cylinder is connected with the first clamping cylinder and drives the first clamping cylinder to move back and forth.
The beneficial effect of adopting the further scheme is that: the position of the matching block clamped by the first clamping cylinder can be adjusted by the adjusting cylinder, so that the matching block can accurately fall into the matching block limiting groove of the matching block clamp.
And the third laser sensor is arranged on the tool rack and controls the first pneumatic clamping jaw to clamp the matching block after the matching block is detected to be in place.
The beneficial effect of adopting the further scheme is that: and the arrangement of the third laser sensor is convenient for controlling the first pneumatic clamping jaw to clamp the matching block.
A radiation unit matching block assembling device comprises a matching block clamp, an assembling clamping jaw, a radiation unit clamp and a positioning mechanism, wherein one end of the matching block clamp is provided with a matching block limiting groove, and the assembling clamping jaw is used for clamping a matching block and putting the matching block into the matching block accommodating groove; an elastic pin is arranged in the radiation unit clamp, and a matching block limiting groove is formed in the position, close to the end part, of one side of the matching block clamp; when the matching block clamp drives the matching block to extend into the radiation unit, the elastic pin in the radiation unit clamp extends into the matching block limiting groove and is abutted against one end of the matching block.
The invention has the beneficial effects that: according to the assembling device, the matching block is firstly installed in the matching block limiting groove of the matching block fixture by the positioning mechanism, and then the matching block in the matching block limiting groove is limited by the elastic pin, so that the matching block can be quickly installed in a narrow space of a horn cavity, the problem of accurate installation and positioning of the traditional matching block is solved, the stability and consistency of the assembling precision are improved, the distance size precision between the matching block in the antenna radiation unit cavity and the flange plate positioning reference surface is ensured, and the one-time assembling qualified rate is improved. According to the invention, by designing a professional clamp and adopting the cooperation of the mechanical arm and the pneumatic clamping jaw for positioning and assembling, the accurate positioning of the normal direction of the flange plate at the bottom of the horn cavity is realized, and the assembling precision and stability are improved.
A method of assembling a radiating element matching block using the positioning assembly, comprising the steps of:
s1, clamping a matching block between the two first pneumatic clamping jaws by using an assembling clamping jaw, and clamping the matching block in a matching block clamping hole after the two first pneumatic clamping jaws are closed;
s2, moving the matching block clamp into the space below the first pneumatic clamping jaw;
s3, opening the two first pneumatic clamping jaws to enable the matching blocks in the matching block clamping holes to fall into matching block limiting grooves of the matching block clamp;
s4, pressing the matching block into the matching block limiting groove by using a pressing cylinder;
s5, clamping the flange of the radiation unit by using the radiation unit clamp;
s6, driving the matching block clamp to extend into the large opening end of the radiation unit, and pressing the matching block into the matching block limiting groove from the X direction by the elastic pin;
and S7, screwing the matching block and the radiation unit by using a screw.
The invention has the beneficial effects that: the method can realize the quick installation of the matching block in the narrow space of the horn cavity, solve the problem of the accurate installation and positioning of the traditional matching block, improve the stability and consistency of the assembly precision, ensure the distance size precision between the matching block in the antenna radiation unit cavity and the positioning reference surface of the flange plate, and improve the one-time assembly qualification rate.
Drawings
FIG. 1 is a schematic view of the assembly of the clamping jaws placing the mating block onto the radiating element mating block positioning mechanism;
FIG. 2 is a schematic view of a first pneumatic jaw holding a mating block;
FIG. 3 is a schematic view of a second pneumatic jaw holding a mating block fixture;
FIG. 4 is a schematic structural view of a first pneumatic clamping jaw releasing a matching block into a matching block retaining groove;
FIG. 5 is a schematic structural view of a press-down cylinder pressing a matching block into a matching block limiting groove;
fig. 6 is a schematic view of another orientation structure of the matching block pressed into the matching block limiting groove by the pressing cylinder.
FIG. 7 is a schematic perspective view of an assembly apparatus for a matching block of a radiation unit according to the present invention;
FIG. 8 is an enlarged view of portion A of FIG. 7;
FIG. 9 is a schematic perspective view of the radiation unit matching block mounting apparatus of the present invention with the mounting plate removed;
FIG. 10 is a perspective view of another embodiment of the mounting apparatus for a matching block of a radiating element of the present invention;
FIG. 11 is a schematic top view of the assembly apparatus of the matching block of the radiation unit of the present invention;
FIG. 12 is a schematic view of the cross-sectional view B-B in FIG. 11;
fig. 13 is a schematic view of the structure of the mounting station of the radiation unit matching block assembling device of the present invention.
In the drawings, the components represented by the respective reference numerals are listed below:
100. a radiation unit; 101. a flange plate; 102. a matching block; 103. mounting a platform;
200. matching a block clamp; 201. a matching block limiting groove; 202. split sewing; 203. an installation section; 204. a connecting section; 205. an inclined section; 206. assembling a clamping jaw;
300. a radiating element holder; 301. an elastic pin; 302. a tool support; 303. assembling a plate; 304. an assembly hole; 305. a clamping cylinder; 306. a pneumatic clamping jaw; 307. pressing a plate; 308. a pressing cylinder; 310. a first laser sensor; 311. a baffle plate; 312. a Y-axis module; 313. a second laser sensor; 314. a triaxial module; 315. an X-direction module; 316. a Y-direction module; 317. a Z-direction module; 318. a nail locking gun; 319. a clamp base; 320. a support; 321. a pressure head; 322. a spring; 323. a screw arranging machine; 324. a guide sleeve;
400. a positioning mechanism; 401. a tool rack; 402. a first pneumatic jaw; 403. a first clamping cylinder; 404. a matching block clamping hole; 405. pressing down the air cylinder; 406. briquetting; 407. a second clamping cylinder; 408. a second pneumatic jaw; 409. a through hole; 410. a support cylinder; 411. a support block; 412. adjusting the cylinder; 413. a third laser sensor; 414. a top plate; 415. a base plate.
Detailed Description
The principles and features of this invention are described below in conjunction with the following drawings, which are set forth by way of illustration only and are not intended to limit the scope of the invention.
Example 1
As shown in fig. 1 to 6, the positioning mechanism for the matching block of the radiation unit in this embodiment includes a tool rack 401, a first clamping cylinder 402 and a first pneumatic clamping jaw 403, the first clamping cylinder 402 is installed on the tool rack 401, and a driving end of the first clamping cylinder is connected to drive the two first pneumatic clamping jaws 403 to open and close, the first pneumatic clamping jaw 403 is located above the tool rack 401 and arranged at an interval with the tool rack 401, and a matching block clamping hole 404 for clamping the matching block 102 is formed after the two first pneumatic clamping jaws 403 are folded.
In this embodiment, the first clamping cylinder 403 is adopted to drive the first pneumatic clamping jaw 402 to clamp the matching block 102, and when the clamp of the matching block 102 extends into the space between the upper part of the tool rack 401 and the first pneumatic clamping jaw 402, the first clamping cylinder 403 drives the first pneumatic clamping jaw 402 to release the matching block 102, so that the matching block 102 falls into the matching block limiting groove 201 of the matching block clamp 200.
Example 2
As shown in fig. 1 to 6, the positioning mechanism for the matching block of the radiation unit in this embodiment includes a tool rack 401, a first clamping cylinder 402 and a first pneumatic clamping jaw 403, the first clamping cylinder 402 is installed on the tool rack 401, and a driving end of the first clamping cylinder is connected to drive the two first pneumatic clamping jaws 403 to open and close, the first pneumatic clamping jaw 403 is located above the tool rack 401 and arranged at an interval with the tool rack 401, and a matching block clamping hole 404 for clamping the matching block 102 is formed after the two first pneumatic clamping jaws 403 are folded.
In this embodiment, the first clamping cylinder 403 is adopted to drive the first pneumatic clamping jaw 402 to clamp the matching block 102, and when the clamp of the matching block 102 extends into the space between the upper part of the tool rack 401 and the first pneumatic clamping jaw 402, the first clamping cylinder 403 drives the first pneumatic clamping jaw 402 to release the matching block 102, so that the matching block 102 falls into the matching block limiting groove 201 of the matching block clamp 200.
As shown in fig. 1 to 6, the positioning mechanism 400 of the present embodiment further includes a down-pressure cylinder 405, wherein the down-pressure cylinder 405 is mounted on the tool rest 401 and is used for pressing the matching block 102 into the matching block fixture 200 when the matching block 102 falls into the matching block fixture 200. The matching block can be compactly pressed into the matching block limiting groove by utilizing the pressing cylinder.
As shown in fig. 1 to 6, a pressing block 406 is connected to a driving end of the downward-pressing cylinder 405 in this embodiment, the pressing block 406 is in an inverted convex shape, and a lower end of the pressing block 406 is matched with an upper surface of the matching block 102. The convex-shaped pressing block can be matched with the matching block-shaped structure, and the matching block can be conveniently pressed down by stretching into the second pneumatic clamping jaw.
As shown in fig. 1 to 6, the first pneumatic clamping jaw 402 of this embodiment is L-shaped, and includes a connecting arm and a clamping arm that are perpendicular to each other, the first clamping cylinder 403 is connected to the connecting arm, the clamping arm extends toward a side that is away from the first clamping cylinder 403, a clamping slot is disposed on one side of the first pneumatic clamping jaw 402, and when two first pneumatic clamping jaws 402 are closed, the two clamping slots are closed to form the matching block clamping hole 404. The clamping groove is convenient to be matched with the matching block in shape, and the L-shaped first pneumatic clamping jaw is convenient to connect and assemble.
As shown in fig. 1 to 6, the positioning mechanism 400 of this embodiment further includes a second clamping cylinder 407 and a second pneumatic clamping jaw 408, a driving end of the second clamping cylinder 407 is connected to the second pneumatic clamping jaw 408, the second clamping cylinder 407 is mounted on the tool rack 401, a through hole 409 is formed in the tool rack 401, and the second pneumatic clamping jaw 408 extends from the through hole 409 into the space and clamps and positions the matching block fixture 200 placed in the space. The second pneumatic clamping jaw can be used for clamping and positioning the matching block clamp. The tool rest 401 includes a top plate 414 and a bottom plate 415, and the second clamping cylinder 407 is mounted on a lower surface of the top plate 414.
As shown in fig. 1 to 6, the positioning mechanism 400 of this embodiment further includes a supporting cylinder 410, the supporting cylinder 410 is installed in the tool rack 401, a supporting block 411 is connected to a driving end of the supporting cylinder 410, and the supporting block 411 can be driven to extend from a through hole 409 on the tool rack 401 into the space and support the matching block clamp 200 in the space. The matching block fixture can be supported by the supporting cylinder, so that the matching block can be pressed down to enter the groove conveniently.
As shown in fig. 1 to 6, the positioning mechanism 400 of this embodiment further includes an adjusting cylinder 412, the adjusting cylinder 412 is mounted on the tool rack 401, and a driving end of the adjusting cylinder 412 is connected to the first clamping cylinder 403 and drives the first clamping cylinder 403 to move back and forth. The position of the matching block clamped by the first clamping cylinder can be adjusted by the adjusting cylinder, so that the matching block can accurately fall into the matching block limiting groove of the matching block clamp.
As shown in fig. 1 to 6, the positioning mechanism 400 of this embodiment further includes a third laser sensor 413, where the third laser sensor 413 is installed on the tool rack 401 and controls the first pneumatic clamping jaw 402 to clamp the matching block 102 when detecting that the matching block 102 is in place. And the arrangement of the third laser sensor is convenient for controlling the first pneumatic clamping jaw to clamp the matching block.
The working process of the positioning mechanism 400 of the present embodiment is, as shown in fig. 1-6, in fig. 1, first, the matching block is moved between the first pneumatic clamping jaws 402 by the assembling clamping jaws 206, then, the two first pneumatic clamping jaws 402 are driven by the first clamping cylinder 403 to clamp the matching block 102 clamped by the assembling clamping jaws 206, then, the assembling clamping jaws 206 loosen the matching block 102, and the matching block fixture 200 is moved below the two first pneumatic clamping jaws 402, as shown in fig. 2; and the second clamping cylinder 407 is used for driving the two second pneumatic clamping jaws 408 to clamp the matching block fixture 200, the supporting cylinder 412 is used for driving the supporting block 411 upwards to support and prop against the matching block fixture 200, as shown in fig. 3, the adjusting cylinder 412 can be used for adjusting the front and back positions of the matching block 102, the first clamping cylinder 403 is used for driving the two first pneumatic clamping jaws 402 to open and release the clamped matching block 102, the matching block 102 falls into the matching block limiting groove 201 of the matching block fixture 200, as shown in fig. 4, and the pressing cylinder 405 is used for driving the pressing block 406 to press the matching block 102 in the matching block limiting groove 201, as shown in fig. 5 and 6.
Example 3
As shown in fig. 13, the radiation unit matching block assembling apparatus of this embodiment includes a matching block fixture 200, an assembling clamping jaw 206, a radiation unit fixture 300, and the positioning mechanism 400 described in embodiment 1 or embodiment 2, wherein one end of the matching block fixture 200 is provided with the matching block limiting groove 201, and the assembling clamping jaw 206 is used for clamping the matching block 102 and placing the matching block into the matching block limiting groove 201; an elastic pin 301 is arranged in the radiation unit clamp 300, and a matching block limiting groove 201 is formed in the position, close to the end, of one side of the matching block clamp 200; when the matching block fixture 200 drives the matching block 102 to extend into the radiation unit 100, the elastic pin 301 in the radiation unit fixture 200 extends into the matching block limiting groove 201 and abuts against one end of the matching block 102.
As shown in fig. 6, the matching block fixture 200 and the assembling clamping jaw 206 of the present embodiment are both mounted on a mounting plate and located on the same side of the mounting plate, the matching block fixture 200 is arranged at an angle with respect to the assembling clamping jaw 206, and the angle adjustment and the movement orientation of the matching block fixture 200 and the assembling clamping jaw 206 can be realized by operating the mounting plate by a manipulator.
The assembly quality of this embodiment utilizes positioning mechanism to pack the matching piece into the matching piece spacing groove of matching piece anchor clamps earlier, and it is spacing to utilize the elastic pin to carry out the matching piece of matching piece spacing inslot again, can realize the quick installation of matching piece in the narrow and small space of loudspeaker cavity, solves the accurate installation location problem of traditional matching piece, improves the stability of assembly precision, the uniformity, guarantee the inside distance size precision of matching piece and ring flange location reference surface of antenna radiation unit cavity, and improve the assembly qualification rate once.
Example 4
In this embodiment, a method for assembling a matching block of a radiation unit by using the assembling apparatus described in embodiment 3 includes the following steps:
s1, clamping the matching block 102 between the two first pneumatic clamping jaws 402 by using the assembling clamping jaw 206, and clamping the matching block 102 in the matching block clamping hole 404 after the two first pneumatic clamping jaws 402 are closed;
s2, moving mating block fixture 200 into the space under first pneumatic clamping jaw 402; the second clamping cylinder 407 is used for driving the second pneumatic clamping jaw 408 to clamp and position the matching block 102 clamp, and the supporting block 411 is driven by the supporting cylinder 410 to support the bottom of the matching block clamp 200. The position of the matching block clamped by the first pneumatic clamping jaw can be adjusted by using an adjusting cylinder;
s3, opening the two first pneumatic clamping jaws 402, so that the matching block 102 in the matching block clamping hole 404 falls into the matching block limiting groove 201 of the matching block clamp 200;
s4, pressing the matching block 102 into the matching block limiting groove 201 by using the pressing cylinder 405;
s5, clamping the flange 101 of the radiation unit 100 with the radiation unit clamp 300;
s6, the matching block clamp 200 is driven to extend into the large-opening end of the radiation unit 100, so that the elastic pin 301 presses the matching block 102 into the matching block limiting groove 201 from the X direction;
s7, the matching block 102 is screwed with the radiation unit 100 by screws.
According to the method, the matching block can be quickly installed in the narrow space of the horn cavity, the problem of accurate installation and positioning of the traditional matching block is solved, the stability and consistency of the assembly precision are improved, the distance size precision between the matching block in the antenna radiation unit cavity and the flange plate positioning reference surface is ensured, and the one-time assembly yield is improved.
Example 5
As shown in fig. 13, the radiation unit matching block assembling apparatus of this embodiment includes a matching block fixture 200, an assembling clamping jaw 206, a radiation unit fixture 300, and the positioning mechanism 400 described in embodiment 1 or embodiment 2, wherein one end of the matching block fixture 200 is provided with the matching block limiting groove 201, and the assembling clamping jaw 206 is used for clamping the matching block 102 and placing the matching block into the matching block limiting groove 201; an elastic pin 301 is arranged in the radiation unit clamp 300, and a matching block limiting groove 201 is formed in the position, close to the end, of one side of the matching block clamp 200; when the matching block fixture 200 drives the matching block 102 to extend into the radiation unit 100, the elastic pin 301 in the radiation unit fixture 200 extends into the matching block limiting groove 201 and abuts against one end of the matching block 102.
An elastic pin 301 is arranged in the radiation unit clamp 300, a matching block limiting groove 201 is formed in a position, close to the end portion, of one side of the matching block clamp 200, and a limiting opening communicated with the matching block limiting groove 201 is formed in the end face of one end of the matching block clamp 200; when the matching block fixture 200 drives the matching block to extend into the radiation unit 100, the elastic pin 301 in the radiation unit fixture 300 extends into the matching block limiting groove 201 from the limiting opening and abuts against one end of the matching block 102.
As shown in fig. 2, the matching block limiting groove 201 of the present embodiment is a stepped groove adapted to the matching block 102. The matching block can be limited in the Y direction and the Z direction by adopting the stepped groove.
As shown in fig. 2, the matching block fixture 200 of this embodiment is provided with a split slit 202, and the split slit 202 extends to an end surface of one end of the matching block 102 along a length direction of the matching block fixture 200, so that one end of the matching block fixture 200 forms a split structure. The shape of the matching block clamp 200 is matched with the shape of the side wall of the radiation unit 100, and comprises an installation section 203, an inclined section 205 and a connecting section 204 which are integrally connected, and the matching block limiting groove 201 is located at the free end of the installation section 203. One end of the matching block clamp forms a split structure, so that the matching block can be ensured to smoothly fall into the clamping device, and even if the matching block is not completely aligned with the clamping device, the matching block can be clamped in the matching block limiting groove in a self-adaptive adjusting mode.
As shown in fig. 1-6, the radiation unit clamp 300 includes a clamping portion and a tool holder 302, the clamping portion is mounted on the tool holder 302, a clamp base 319 is mounted on the tool holder 302, the clamp base 319 is arranged perpendicular to the tool holder 302, the clamping portion includes a clamping cylinder 305 and a pneumatic clamping jaw 306, the clamping cylinder 305 is mounted on the clamp base 319, and the clamping cylinder 305 drives the pneumatic clamping jaw 306 to clamp the radiation unit 100; the clamp base 319 is provided with a bracket 320, the bracket 320 spans the clamping cylinder 305 and penetrates through the pneumatic clamping jaw 306, and the elastic pin 301 is mounted on the bracket 320. The elastic pin is arranged on the bracket, so that the pneumatic clamping jaw is not interfered.
The clamping cylinder of the radiation unit clamp 300 can be an SCHUNK PZV64 manipulator, and four pneumatic clamping jaws 306 are mounted at four driving ends of the manipulator, so that the flange plate 101 of the radiation unit 100 can be pneumatically clamped from four directions, the four pneumatic clamping jaws 306 can also be of a Z-shaped structure, as shown in fig. 3, the clamping ends of the four pneumatic clamping jaws 306 are gathered towards the center of the manipulator, but a space for clamping and assembling the flange plate 101 of the radiation unit 100 is reserved, the support 320 can stretch across the surface of the driving end of the manipulator, but the clamping operation of the pneumatic clamping jaws 306 is not affected, and the elastic pin 301 can stretch out from the reserved space of the four pneumatic clamping jaws 306 to abut against and limit the matching block 102 stretching into the radiation unit 100. Through designing professional anchor clamps, adopt manipulator and pneumatic clamping jaw cooperateing to fix a position and assemble, realize loudspeaker cavity bottom ring flange normal direction's accurate positioning, promoted assembly precision and stability.
Specifically, as shown in fig. 6, a spring 322 and a guide sleeve 324 are mounted on the bracket 320, the elastic pin 301 is slidably connected in the guide sleeve 324, one end of the elastic pin 301 is connected to the spring 322, and the other end of the elastic pin 301 extends out of the guide sleeve 324 and passes through the flange plate 101 to abut against the matching block 102 in the matching block limiting groove 201 at one end of the matching block fixture 200.
As shown in fig. 1, 2, 4-6, an assembly plate 303 is disposed on the tool holder 302, the assembly plate 303 is vertically mounted on the tool holder 302, an assembly hole 304 adapted to the pneumatic clamping jaw 306 is disposed on the assembly plate 303, and the pneumatic clamping jaw 306 clamps the radiation unit 100 in the assembly hole 304. The arrangement of the assembly holes can provide effective support for clamping and positioning of the radiation units and other structures.
As shown in fig. 1 to 6, the radiation unit fixture 300 of this embodiment further includes a pressing portion, the pressing portion includes a pressing plate 307 and a pressing cylinder 308, the pressing cylinder 308 is installed on the tooling rack 302, the pressing plate 307 is in a zigzag structure, one end of the pressing plate 307 is installed at a driving end of the pressing cylinder 308, a middle portion of the pressing plate 307 is located at one side of the pressing cylinder 308, the other end of the pressing plate 307 is disposed near the assembly plate 303 and is provided with a limiting opening for the radiation unit 100 to pass through, and the limiting opening is disposed corresponding to the assembly hole 304. Specifically, a pressing head 321 is arranged at the other end of the pressing plate 307, the pressing head 321 extends towards a direction departing from the pressing cylinder 308 and corresponds to the assembling hole 304, the limiting port is located on the pressing head 321, and the limiting port extends to the end face of one end of the pressing head 321. The setting of portion that compresses tightly can provide effective the compressing tightly to the ring flange on the radiating element, and the spacing mouth on the clamp plate is convenient for the radiating element to pass through.
As shown in fig. 1-6, the radiation unit matching block apparatus of this embodiment further includes a first laser sensor 310 and a Y-axis module 312, the first laser sensor 310 is mounted on the mounting plate 303, the pressing cylinder 308 is mounted on the Y-axis module 312, and a blocking plate 311 corresponding to the first laser sensor 310 is disposed on the pressing plate 307; the Y-axis module 312 drives the pressing cylinder 308 to move in a direction parallel to the assembly plate 303, and when the blocking piece 311 triggers the limit information of the first laser sensor 310, specifically, when the blocking piece 311 blocks the first laser sensor 310, the pressing cylinder 308 drives the pressing plate 307 to press the radiation unit. In addition, the pressing cylinder 308 may be mounted on the guide rail, and the Y-axis module may be used to drive the pressing cylinder 308 to move along the guide rail, and the Y-axis module may adopt a screw rod driving mechanism, and the position of the pressing cylinder may be adjusted by using the Y-axis module.
As shown in fig. 1, the radiation unit clamping device further comprises a second laser sensor 313, wherein the second laser sensor 313 is installed on the assembling plate 303 and is located below the assembling hole 304 on the assembling plate 303, and when the second laser sensor 313 detects that the radiation unit 100 moves into the assembling hole 304, the clamping cylinder 305 is controlled to drive the pneumatic clamping jaw 306 to close so as to clamp and position the radiation unit 100.
The three-axis module 314 and the nail locking gun 318 are further included, the assembling device, the three-axis module 314 and the nail locking gun 318 are respectively installed on the installation platform 103, and the nail locking gun 318 is installed on the three-axis module 314 and is driven by the three-axis module 314 to move in the three directions of XYZ. Triaxial module 314 includes that X is to module 315, Y to module 316 and Z to module 317, X is installed to module 315 on mounting platform 103, Z is installed on X is to module 315 to module 317, Y is installed to module 316 on Z is to module 317, staple bolt rifle 318 is installed Y is to module 316 on, assembly quality is located Y is to the below of module 316, utilizes the triaxial module can drive staple bolt rifle 318 and take the screw from screw arrangement machine 323, and it is fixed to drive staple bolt rifle 318 again and lock radiation unit and matching piece, and locking process is more accurate reliable.
The working process of this embodiment is, send into the radiating element anchor clamps earlier and carry out the centre gripping in the radiating element anchor clamps, makes the ring flange that radiating element's ring flange was cliied to the pneumatic clamping jaw of the die clamping cylinder drive of radiating element anchor clamps, and the ring flange is arranged higher than the assembly plate in the ring flange surface, then utilizes the pressure head that compresses tightly the cylinder drive ring flange again, and the radiating element is arranged in the spacing mouth of pressure head, makes the pressure head push down the ring flange around the ring flange. Then the matching block is sent into the radiation unit by the matching block clamp, the elastic pin on the support abuts against the matching block, the matching block is stably limited in a matching block limiting groove of the matching block clamp, and then the radiation unit and the matching block are locked and fixed by screws.
This embodiment will match the piece through matching in the piece anchor clamps will match the piece and send into the radiating element anchor clamps to utilize the elastic pin to carry on spacingly to matching the piece that matches the piece spacing inslot, can realize the quick installation that matches the piece in the narrow and small space of loudspeaker cavity, solve the accurate installation location problem of traditional matching piece, improve the stability, the uniformity of assembly precision, guarantee the distance size precision of the inside matching piece of antenna radiating element cavity and ring flange location reference surface, and improve the assembly qualification rate once.
As shown in fig. 1-11, the matching block fixture 200 and the assembling jaw 206 of the present embodiment are both mounted on a mounting plate and located on the same side of the mounting plate, the matching block fixture 200 is disposed at an angle to the assembling jaw 206, and the angle adjustment and the movement orientation of the matching block fixture 200 and the assembling jaw 206 can be realized by operating the mounting plate by a robot.
The assembly quality of this embodiment utilizes positioning mechanism to pack the matching piece into the matching piece spacing groove of matching piece anchor clamps earlier, and it is spacing to utilize the elastic pin to carry out the matching piece of matching piece spacing inslot again, can realize the quick installation of matching piece in the narrow and small space of loudspeaker cavity, solves the accurate installation location problem of traditional matching piece, improves the stability of assembly precision, the uniformity, guarantee the inside distance size precision of matching piece and ring flange location reference surface of antenna radiation unit cavity, and improve the assembly qualification rate once.
Example 6
In this embodiment, a method for assembling a matching block of a radiation unit by using the assembling apparatus described in embodiment 5 includes the following steps:
s1, clamping the matching block 102 between the two first pneumatic clamping jaws 402 by using the assembling clamping jaw 206, and clamping the matching block 102 in the matching block clamping hole 404 after the two first pneumatic clamping jaws 402 are closed;
s2, moving mating block fixture 200 into the space under first pneumatic clamping jaw 402; the second clamping cylinder 407 is used for driving the second pneumatic clamping jaw 408 to clamp and position the matching block 102 clamp, and the supporting block 411 is driven by the supporting cylinder 410 to support the bottom of the matching block clamp 200. The position of the matching block clamped by the first pneumatic clamping jaw can be adjusted by using an adjusting cylinder;
s3, opening the two first pneumatic clamping jaws 402, so that the matching block 102 in the matching block clamping hole 404 falls into the matching block limiting groove 201 of the matching block clamp 200;
s4, pressing the matching block 102 into the matching block limiting groove 201 by using the pressing cylinder 405;
s5, using the assembly jaw 206 to feed the radiation unit 100 into the radiation unit clamp 300, and making the radiation unit clamp 300 clamp the flange 101 of the radiation unit 100; a pressing head 321 of a pressing plate 307 is driven by a pressing cylinder 308 to press the flange plate 101, so that the radiation unit 100 is placed in a limiting opening of the pressing head 321, and the pressing head 321 presses the flange plate 101 from the periphery of the flange plate 101;
s6, clamping the matching block 102 by using the matching block clamp 200, and enabling the matching block 102 to be located in the matching block limiting groove 201;
s7, the matching block clamp 200 is driven to extend into the large-opening end of the radiation unit 100, so that the elastic pin 301 presses the matching block 102 into the matching block limiting groove 201 from the X direction;
s8, the matching block 102 is screwed with the radiation unit 100 by screws. The triaxial module 314 can be used to drive a staple gun 318 to screw into the screw holes above the radiant unit 100 and the matching block 102 to screw the radiant unit 100 and the matching block 102 together.
According to the method, the matching block can be quickly installed in the narrow space of the horn cavity, the problem of accurate installation and positioning of the traditional matching block is solved, the stability and consistency of the assembly precision are improved, the distance size precision between the matching block in the antenna radiation unit cavity and the flange plate positioning reference surface is ensured, and the one-time assembly yield is improved.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.
In the present invention, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may be directly contacting the second feature or the first and second features may be indirectly contacting each other through intervening media. Also, a first feature "on," "above," and "over" a second feature may be directly on or obliquely above the second feature, or simply mean that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.
Claims (9)
1. A radiation unit matching block assembling device is characterized by comprising a matching block clamp, assembling clamping jaws, a radiation unit clamp and a radiation unit matching block positioning mechanism, wherein the radiation unit matching block positioning mechanism comprises a tool frame, a first clamping cylinder and first pneumatic clamping jaws, the first clamping cylinder is installed on the tool frame, the driving end of the first clamping cylinder is connected with the two first pneumatic clamping jaws and drives the two first pneumatic clamping jaws to be opened and closed, the first pneumatic clamping jaws are located above the tool frame and arranged at intervals with the tool frame, and matching block clamping holes for clamping matching blocks are formed after the two first pneumatic clamping jaws are folded; a matching block limiting groove is formed in the position, close to the end portion, of one side of the matching block clamp, and the assembling clamping jaw is used for clamping a matching block and placing the matching block into the matching block accommodating groove; an elastic pin is arranged in the radiation unit clamp; when the matching block clamp drives the matching block to extend into the radiation unit, the elastic pin in the radiation unit clamp extends into the matching block limiting groove and is abutted against one end of the matching block.
2. The assembly device of claim 1, wherein the positioning mechanism further comprises a hold-down cylinder mounted on the tool rack and configured to press the matching block into the matching block fixture when the matching block falls into the matching block fixture.
3. The radiation unit matching block assembling device according to claim 2, wherein a pressing block is connected to a driving end of the lower pressing cylinder, the pressing block is in an inverted convex shape, and the lower end of the pressing block is matched with the upper surface of the matching block.
4. The radiation unit matching block assembling device according to claim 1, wherein the first pneumatic clamping jaw is L-shaped and comprises a connecting arm and a clamping arm which are perpendicular to each other, the first clamping cylinder is connected with the connecting arm, the clamping arm extends towards a side away from the first clamping cylinder, one side of the first pneumatic clamping jaw is provided with a clamping groove, and when the two first pneumatic clamping jaws are closed, the two clamping grooves are closed to form the matching block clamping hole.
5. The radiation unit matching block assembling device according to claim 1, wherein the radiation unit matching block positioning mechanism further comprises a second clamping cylinder and a second pneumatic clamping jaw, a driving end of the second clamping cylinder is connected with the second pneumatic clamping jaw, the second clamping cylinder is mounted on the tool frame, a through hole is formed in the tool frame, and the second pneumatic clamping jaw extends into the gap from the through hole and clamps and positions the matching block clamp placed in the gap.
6. The radiation unit matching block assembling device according to claim 1, wherein the radiation unit matching block positioning mechanism further comprises a supporting cylinder, the supporting cylinder is installed in the tool frame, and a driving end of the supporting cylinder can extend out of a through hole in the tool frame to the space and support a matching block clamp in the space in an abutting mode.
7. The radiation unit matching block assembling device according to claim 1, wherein the radiation unit matching block positioning mechanism further comprises an adjusting cylinder, the adjusting cylinder is mounted on the tool rack, and a driving end of the adjusting cylinder is connected with the first clamping cylinder and drives the first clamping cylinder to move back and forth.
8. The radiation unit matching block assembling device according to claim 1, wherein the radiation unit matching block positioning mechanism further comprises a third laser sensor, the third laser sensor is mounted on the tool rack, and when the matching block is detected to be in place, the first pneumatic clamping jaw is controlled to clamp the matching block.
9. A method for assembling a radiating element matching block by using the radiating element matching block assembling device according to any one of claims 1 to 8, comprising the steps of:
s1, clamping a matching block between the two first pneumatic clamping jaws by using an assembling clamping jaw, and clamping the matching block in a matching block clamping hole after the two first pneumatic clamping jaws are closed;
s2, moving the matching block clamp into the space below the first pneumatic clamping jaw;
s3, opening the two first pneumatic clamping jaws to enable the matching blocks in the matching block clamping holes to fall into matching block limiting grooves of the matching block clamp;
s4, pressing the matching block into the matching block limiting groove by using a pressing cylinder;
s5, clamping the flange of the radiation unit by using the radiation unit clamp;
s6, driving the matching block clamp to extend into the large opening end of the radiation unit, and pressing the matching block into the matching block limiting groove from the X direction by the elastic pin;
and S7, screwing the matching block and the radiation unit by using a screw.
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