CN212517135U

CN212517135U - Tube socket and tube cap alignment packaging device of TO type optical device

Info

Publication number: CN212517135U
Application number: CN202022105455.3U
Authority: CN
Inventors: 吕琴红; 王雁; 庄园; 王瑞鹏; 李晓燕; 郭婷婷; 王元仕; 王鹏程; 孙文涛; 康文慧; 闫晓壮
Original assignee: Northwest Electronic Equipment Institute of Technology
Current assignee: Taiyuan Yixing Technology Co ltd
Priority date: 2020-09-23
Filing date: 2020-09-23
Publication date: 2021-02-09
Anticipated expiration: 2030-09-23

Abstract

The invention discloses a tube seat and tube cap alignment packaging device of a TO type optical device, which solves the problem of how TO improve the qualification rate of packaged products in alignment packaging of the tube seat and the tube cap of the TO type optical device. With traditional discernment location to tube socket outline and pipe cap outline, as the benchmark of tube socket and pipe cap counterpoint encapsulation and refer to, change into: the light emitted by the light source is irradiated onto the chip on the tube seat through the lens on the tube cap by means of the lens on the tube cap and the light source in the visual system to obtain an image of a light-emitting point on the chip, and the central axis of the lens on the tube cap is aligned with the light-emitting point on the chip by dynamically adjusting the position of the tube cap according to the position on the image of the light-emitting point on the chip by the controller, so that the tube cap and the tube seat are accurately aligned, and then the tube cap and the tube seat are electrified and packaged together. The packaged TO type optical device has high optical coupling ratio.

Description

Tube socket and tube cap alignment packaging device of TO type optical device

Technical Field

The invention relates TO a TO type optical device, in particular TO a device for accurately aligning and packaging a tube seat and a tube cap of the TO type optical device based on a tube cap lens and a packaging method thereof.

Background

The TO type optical device is an optical device for photoelectric signal conversion, the TO is an abbreviation of transducer outline, represents a coaxial type optical device, and refers TO an optical device package with a generally cylindrical shell of a tube seat and a tube cap, and the optical device package is formed by accurately aligning the tube seat and the tube cap and then connecting the tube seat and the tube cap through electric welding; the chip is attached to the base of the tube seat through a chip mounter, a light emitting point is arranged on the chip, a tube cap lens is assembled on the tube cap, and when the tube cap and the tube seat are aligned and packaged, the tube cap lens is required to be aligned with the light emitting point on the chip, so that light emitted by the light emitting point on the chip is emitted out of the light device through the tube cap lens; the tube cap lens is assembled on the central axis of the tube cap according to the theoretical requirement, namely the central axis of the tube cap is coincided with the central axis of the tube cap lens, the chip is attached to the central position of the top surface of the tube seat, and the light-emitting point on the chip is positioned on the central axis of the tube seat; the alignment packaging of the tube seat and the tube cap is carried out on packaging equipment, and the specific process is as follows: placing and adsorbing a tube seat on a lower workbench of a cap sealing machine, adsorbing a tube cap on an upper workbench of the cap sealing machine, performing the contraposition of the tube seat and the tube cap through a vision system arranged on the cap sealing machine, arranging an upper camera and a lower camera in the vision system, positioning and identifying the outline of the tube cap through the upper camera, determining the central axis position of the tube cap according to the identified outline of the tube cap, positioning and identifying the outline of the tube seat base through the lower camera, determining the central axis position of the tube seat according to the identified outline of the tube seat base, aligning and adjusting the contraposition of the cap sealing machine according to whether the central axis of the outline of the tube cap identified by the upper camera is overlapped with the central axis of the tube seat base identified by the lower camera, and then performing packaging operation; because the optical coupling efficiency of the TO-type optical device mainly depends on the contact ratio of the central line of the tube cap lens and the light-emitting point on the tube seat chip in the tube cap packaging process, the higher the contact ratio of the central line of the tube cap lens and the light-emitting point on the tube seat chip is, the higher the optical coupling efficiency is, the following problems exist in the existing method for positioning and identifying the outer contour of the tube cap and the outer contour of the tube seat: (1) when the chip is attached to the tube seat by the chip mounter, a chip mounting error exists, and the central axis of the chip cannot be completely coincident with the central axis of the tube seat; (2) the arrangement of the light-emitting points on the chip cannot be guaranteed to be 100% in the center of the chip, that is, the arrangement of the positions of the light-emitting points has errors; (3) when the lens on the pipe cap is assembled, the central line of the lens on some finished pipe caps is not coincident with the central line of the outer contour of the pipe cap due to assembly errors; after the tube seat and the tube cap are aligned and packaged directly due TO the factors, the optical coupling efficiency of the finished TO type optical device is low, and the qualification rate of packaged products is influenced.

Disclosure of Invention

The invention provides a tube seat and tube cap alignment packaging device of a TO type optical device and an alignment method thereof, and solves the technical problem of how TO improve the qualified rate of packaged products in alignment packaging of the tube seat and the tube cap of the TO type optical device.

The invention solves the technical problems by the following technical scheme:

the general concept of the invention is: with traditional discernment location to tube socket outline and pipe cap outline, as the benchmark of tube socket and pipe cap counterpoint encapsulation and refer to, change into: the light emitted by the light source is irradiated onto the chip on the tube seat through the lens on the tube cap by means of the lens on the tube cap and the light source in the visual system to obtain an image of a light-emitting point on the chip, and the central axis of the lens on the tube cap is aligned with the light-emitting point on the chip by dynamically adjusting the position of the tube seat according to the position on the image of the light-emitting point on the chip by the controller, so that the tube cap and the tube seat are accurately aligned, and then the tube cap and the tube seat are electrified and packaged together.

A tube seat and tube cap contraposition packaging device of TO type optical device comprises a base plate, a tube seat and a tube cap, wherein a tube seat placing and adsorbing platform is fixedly arranged at the front end of the left part of the base plate, an XYZ three-direction sliding platform base is fixedly arranged at the rear end of the left part of the base plate, an inverted L-shaped support is fixedly arranged at the right part of the base plate, a visual system rail mounting platform is fixedly arranged on the base plate below the inverted L-shaped support, an electric controller is arranged at the right end of the base plate, a tube cap lens is arranged on the tube cap, a chip is arranged on the tube seat, a luminous point is arranged on the chip, an electric control cylinder is arranged on a cantilever plate at the top end of the inverted L-shaped support, a tube cap welding and adsorbing tube is connected on an output shaft extending downwards from the electric control cylinder, the tube cap welding and adsorbing tube is arranged right above the tube seat placing and adsorbing platform, and a lower port of the tube cap, a pipe cap is adsorbed; a visual system Y-direction moving track is arranged on the visual system track mounting table, a visual system mounting sliding block is arranged on the visual system Y-direction moving track, a visual system is arranged on the visual system mounting sliding block, and the visual system is electrically connected with the electric controller; the tube seat is movably placed and adsorbed on the tube seat placing and adsorbing platform; x-direction sliding tables in the front and back directions are arranged on an XYZ three-direction sliding table base, Y-direction sliding tables in the left and right directions are arranged on the X-direction sliding tables, Z-direction sliding tables in the up and down directions are arranged on the Y-direction sliding tables, clamps are arranged on the Z-direction sliding tables, and tube seats are clamped in the clamps; the electric control cylinder of the X-direction sliding table, the electric control cylinder of the Y-direction sliding table and the electric control cylinder of the Z-direction sliding table are respectively and electrically connected with the electric controller.

The tube cap welding adsorption tube is provided with a reflecting prism, the visual system is respectively provided with a lens and a light source, light rays emitted by the light source sequentially pass through the lens, the reflecting prism and a tube cap lens adsorbed on a tube cap on the lower port of the tube cap welding adsorption tube and irradiate on a chip containing a luminous point, and the visual system images the chip containing the luminous point.

A left clamping jaw of the clamp is provided with a left clamping plate, a left semicircular clamping groove is formed in the left clamping plate, a right clamping plate is arranged on the right clamping jaw of the clamp, a right semicircular clamping groove is formed in the right clamping plate, and a pipe seat is clamped between the left semicircular clamping groove and the right semicircular clamping groove; the opening and closing of the left clamping jaw and the right clamping jaw are controlled by a clamp electric control cylinder, and the clamp electric control cylinder is electrically connected with an electric controller.

A alignment method of a tube seat and a tube cap alignment packaging device of a TO type optical device is characterized by comprising the following steps:

firstly, adsorbing a pipe cap on a lower port of a pipe cap welding adsorption pipe, and placing and adsorbing a pipe seat on a pipe seat placing adsorption table;

secondly, the clamp is controlled by the electric controller, and the tube seat is clamped between the left semicircular clamping groove and the right semicircular clamping groove; the output shaft extending downwards of the electric control cylinder is controlled by the electric controller to move downwards, so that a reflecting prism arranged on the pipe cap welding adsorption pipe is aligned with the lens;

thirdly, the electric controller controls a light source in the vision system to emit light rays, the light rays sequentially pass through the lens, the reflecting prism and the tube cap lens adsorbed on the tube cap on the lower port of the tube cap welding adsorption tube and irradiate onto the chip movably adsorbed on the tube seat placing adsorption table, and an image of the chip containing the luminous point is imaged in the vision system through the tube cap lens and the reflecting prism;

fourthly, the vision system transmits the image of the chip containing the luminous point to an electric controller, the electric controller compares the position of the luminous point with the position of the central axis of the tube cap lens, and adjusts the position of a tube seat clamped in the clamp by controlling an electric control cylinder of the X-direction sliding table, an electric control cylinder of the Y-direction sliding table and an electric control cylinder of the Y-direction sliding table respectively according to the comparison result, so that the position of the luminous point is superposed with the central axis of the tube cap lens;

fifthly, after the position of the tube seat is positioned, the electric controller controls the clamp electric control cylinder to open the clamping of the tube seat and controls the clamp to move backwards so that the clamp is separated from the tube seat placing adsorption table; and then, the electric controller controls the output shaft of the electric control cylinder, which extends downwards, to further move downwards, so that the pipe cap welding adsorption pipe is in butt joint with the pipe seat placing adsorption table, the pipe cap and the pipe seat are in butt joint, and finally, the electric controller controls the pipe cap welding adsorption pipe and the pipe seat placing adsorption table to be powered on, and the packaging of the pipe cap and the pipe seat is completed.

The invention greatly improves the qualification rate of the TO type optical device after the tube seat and the tube cap are packaged, and the optical coupling rate of the packaged TO type optical device is high.

Drawings

FIG. 1 is a schematic diagram of the general structure of the present invention;

FIG. 2 is a view showing a fitting relationship among the socket placing and adsorbing table 2, the jig 7 and the socket 21 of the present invention;

fig. 3 is a diagram showing a fitting relationship among the tube holder 21, the lens 25 and the tube cap 24 of the present invention;

fig. 4 is a schematic structural view of the pipe cap welding adsorption pipe 8 of the present invention;

FIG. 5 is a schematic view of the structure of the stem 21 of the present invention;

fig. 6 is an imaging optical path diagram of the chip 22 containing the light-emitting point 23 in the lens 25.

Detailed Description

The invention is described in detail below with reference to the accompanying drawings:

a tube seat and tube cap contraposition packaging device of TO type optical device comprises a base plate 1, a tube seat 21 and a tube cap 24, wherein a tube seat placing adsorption platform 2 is fixedly arranged at the front end of the left part of the base plate 1, an XYZ three-direction sliding platform base 3 is fixedly arranged at the rear end of the left part of the base plate 1, an inverted L-shaped support 9 is fixedly arranged at the right part of the base plate 1, a visual system rail mounting platform 11 is fixedly arranged on the base plate 1 below the inverted L-shaped support 9, an electric controller 14 is arranged at the right end of the base plate 1, a tube cap lens 30 is arranged on the tube cap 24, a chip 22 is arranged on the tube seat 21, a luminous point 23 is arranged on the chip 22, an electric control cylinder 10 is arranged on a cantilever plate at the top end of the inverted L-shaped support 9, a tube cap welding adsorption tube 8 is connected on an output shaft extending downwards from the electric control cylinder 10, the tube cap welding adsorption tube 8 is arranged right above the tube seat placing adsorption platform 2, a pipe cap 24 is adsorbed on the lower port of the pipe cap welding adsorption pipe 8; a visual system Y-direction moving track 12 is arranged on the visual system track mounting table 11, a visual system mounting slide block 27 is arranged on the visual system Y-direction moving track 12, a visual system 13 is arranged on the visual system mounting slide block 27, and the visual system 13 is electrically connected with an electric controller 14; a tube seat 21 is movably placed and adsorbed on the tube seat placing and adsorbing platform 2; an X-direction sliding table 4 in the front-back direction is arranged on an XYZ three-direction sliding table base 3, a Y-direction sliding table 5 in the left-right direction is arranged on the X-direction sliding table 4, a Z-direction sliding table 6 in the up-down direction is arranged on the Y-direction sliding table 5, a clamp 7 is arranged on the Z-direction sliding table 6, and a tube seat 21 is clamped in the clamp 7; the electric control cylinder of the X-direction sliding table 4, the electric control cylinder of the Y-direction sliding table 5 and the electric control cylinder of the Z-direction sliding table 6 are respectively and electrically connected with an electric controller 14.

The tube cap welding adsorption tube 8 is provided with a reflecting prism 28, the vision system 13 is respectively provided with a lens 25 and a light source 26, light rays emitted by the light source 26 sequentially pass through the lens 25, the reflecting prism 28 and a tube cap lens 30 adsorbed on a tube cap 24 on the lower port of the tube cap welding adsorption tube 8 to irradiate on a chip 22 containing a luminous point 23, and the vision system 13 images the chip 22 containing the luminous point 23.

A left clamping jaw 15 of the clamp 7 is provided with a left clamping plate 16, the left clamping plate 16 is provided with a left semicircular clamping groove 17, a right clamping jaw 18 of the clamp 7 is provided with a right clamping plate 19, the right clamping plate 19 is provided with a right semicircular clamping groove 20, and a pipe seat 21 is clamped between the left semicircular clamping groove 17 and the right semicircular clamping groove 20; the opening and closing of the left clamping jaw 15 and the right clamping jaw 18 are controlled by a clamp electric control cylinder which is electrically connected with an electric controller 14.

firstly, adsorbing a pipe cap 24 on the lower end port of a pipe cap welding adsorption pipe 8, and placing and adsorbing a pipe seat 21 on a pipe seat placing adsorption table 2;

secondly, controlling the clamp 7 through the electric controller 14, and clamping the tube seat 21 between the left semicircular clamping groove 17 and the right semicircular clamping groove 20; then the electric controller 14 controls the downward extending output shaft of the electric control cylinder 10 to move downwards, so that the reflecting prism 28 arranged on the pipe cap welding adsorption pipe 8 is aligned with the lens 25;

thirdly, the electric controller 14 controls a light source 26 in the vision system 13 to emit light rays, the light rays sequentially pass through a lens 25, a reflecting prism 28 and a tube cap lens 30 adsorbed on a tube cap 24 on a lower port of the tube cap welding adsorption tube 8 to irradiate on a chip 22 movably adsorbed on the tube seat placing adsorption platform 2, and an image of the chip 22 containing the luminous point 23 is imaged in the vision system 13 through the tube cap lens 30 and the reflecting prism 28;

fourthly, the vision system 13 transmits the image of the chip 22 containing the light-emitting point 23 to the electric controller 14, the electric controller 14 compares the position of the light-emitting point 23 with the position of the central axis of the cap lens 30, and according to the comparison result, the position of the tube seat 21 clamped in the clamp 7 is adjusted by controlling the electric control cylinder of the X-direction sliding table 4, the electric control cylinder of the Y-direction sliding table 5 and the electric control cylinder of the Y-direction sliding table 5 respectively, so that the position of the light-emitting point 23 is superposed with the central axis of the cap lens 30;

fifthly, after the position of the tube seat 21 is positioned, the electric controller 14 controls the clamp electric control cylinder to open the clamping of the tube seat 21, and controls the clamp 7 to move backwards, so that the clamp is separated from the tube seat placing adsorption table 2; then, the electric controller 14 controls the output shaft of the electric control cylinder 10, which extends downwards, to move downwards further, so that the pipe cap welding adsorption pipe 8 is in butt joint with the pipe seat placing adsorption table 2, the pipe cap 24 is in butt joint with the pipe seat 21, and finally, the electric controller 14 controls the pipe cap welding adsorption pipe 8 and the pipe seat placing adsorption table 2 to be powered on, and the packaging of the pipe cap 24 and the pipe seat 21 is completed.

Claims

1. A tube seat and tube cap contraposition packaging device of TO type optical device comprises a base plate (1), a tube seat (21) and a tube cap (24), wherein the front end of the left part of the base plate (1) is fixedly provided with a tube seat placing and adsorbing platform (2), the rear end of the left part of the base plate (1) is fixedly provided with an XYZ three-direction sliding platform base (3), the right part of the base plate (1) is fixedly provided with an inverted L-shaped support (9), a visual system track mounting platform (11) is fixedly arranged on the base plate (1) below the inverted L-shaped support (9), the right end of the base plate (1) is provided with an electric controller (14), a tube cap lens (30) is arranged on the tube cap (24), a chip (22) is arranged on the tube seat (21), and a light emitting point (23) is arranged on the chip (22), the TO type optical device is characterized in that an electric control cylinder (10) is arranged on a cantilever plate at the top end of the inverted L-shaped support (, a pipe cap welding adsorption pipe (8) is connected to an output shaft extending downwards from the electric control cylinder (10), the pipe cap welding adsorption pipe (8) is arranged right above the pipe seat placing adsorption table (2), and a pipe cap (24) is adsorbed on the lower port of the pipe cap welding adsorption pipe (8); a visual system Y-direction moving track (12) is arranged on the visual system track mounting table (11), a visual system mounting sliding block (27) is arranged on the visual system Y-direction moving track (12), a visual system (13) is arranged on the visual system mounting sliding block (27), and the visual system (13) is electrically connected with an electric controller (14); a tube seat (21) is movably placed and adsorbed on the tube seat placing and adsorbing platform (2); an X-direction sliding table (4) in the front-back direction is arranged on an XYZ three-direction sliding table base (3), a Y-direction sliding table (5) in the left-right direction is arranged on the X-direction sliding table (4), a Z-direction sliding table (6) in the up-down direction is arranged on the Y-direction sliding table (5), a clamp (7) is arranged on the Z-direction sliding table (6), and a pipe seat (21) is clamped in the clamp (7); an electric control cylinder of the X-direction sliding table (4), an electric control cylinder of the Y-direction sliding table (5) and an electric control cylinder of the Z-direction sliding table (6) are respectively and electrically connected with an electric controller (14).

2. The tube seat and cap alignment packaging device of TO type optical device as claimed in claim 1, wherein a reflecting prism (28) is disposed on the tube cap welding absorption tube (8), a lens (25) and a light source (26) are disposed on the vision system (13), the light emitted from the light source (26) sequentially passes through the lens (25), the reflecting prism (28) and a tube cap lens (30) absorbed on the tube cap (24) at the lower port of the tube cap welding absorption tube (8) TO irradiate on the chip (22) containing the light emitting point (23), and the vision system (13) images the chip (22) containing the light emitting point (23).

3. The tube seat and cap alignment packaging device of TO type optical device according TO claim 1, wherein a left clamp plate (16) is disposed on the left clamping jaw (15) of the clamp (7), a left semicircular clamping groove (17) is disposed on the left clamp plate (16), a right clamp plate (19) is disposed on the right clamping jaw (18) of the clamp (7), a right semicircular clamping groove (20) is disposed on the right clamp plate (19), and a tube seat (21) is clamped between the left semicircular clamping groove (17) and the right semicircular clamping groove (20); the opening and closing of the left clamping jaw (15) and the right clamping jaw (18) are controlled by a clamp electric control cylinder, and the clamp electric control cylinder is electrically connected with an electric controller (14).