CN209911606U - Lens coupling system - Google Patents

Abstract

The utility model relates to the field of optical device installation, and discloses a lens coupling system, comprising: a grasping mechanism for grasping a lens in a material tray; a spatial displacement mechanism is connected with the grasping mechanism, and is used for driving the lens to move so as to be used for dispensing glue The mechanism is contacted for dispensing and the lens after moving the dispensing is attached to the chip; the curing mechanism is arranged above the chip to cure the glue between the lens and the chip; the positioning subsystem includes a first image detection mechanism, a first The image detection mechanism is arranged above the tray, and is used to obtain the position information of the lens in the tray. The lens coupling system provided by the utility model can automatically complete the coupling between the lens and the chip, and the precise position information of the lens on the material tray can be obtained by setting the first image detection mechanism, so that the grasping mechanism can grasp the lens smoothly and accurately. The system has a high degree of automation, which can reduce labor intensity, and can position the lens to improve efficiency and accuracy.

Description

A lens coupling system

technical field

The utility model relates to the field of optical device installation, in particular to a lens coupling system.

Background technique

Semiconductor lasers are P-N junction diodes with optical feedback function that use semiconductor materials as working materials. Compared with solid-state lasers and gas lasers, they have the advantages of compact structure, high reliability, high efficiency and stability, and have been widely used in machining, materials, etc. Processing, weapons manufacturing and laser display industries. Semiconductor lasers have special luminous characteristics, and the output lasers generally cannot be directly applied in practice, but must be shaped, transformed and collimated. Therefore, since the birth of semiconductor lasers, the coupling problem of semiconductor lasers has arisen. The so-called coupling process is mainly to align the part with strong light intensity in the center, and to compress and collimate the light of other parts, so as to obtain the laser output with more concentrated power and better quality.

In the coupling process, a lens is usually used to adjust the characteristics of the light beam, that is, the lens needs to be attached to the light-emitting chip of the semiconductor laser, and the light emitted by the semiconductor laser is collected and collimated through the lens. Due to the small geometric size of the lens, the coupling positioning of the lens is difficult.

Most of the existing lens coupling needs to manually attach the lens to the chip, which has low efficiency and accuracy, and high labor intensity.

Utility model content

(1) Technical problems to be solved

The purpose of the utility model is to provide a lens coupling system, which is used to solve or partially solve the problems that most of the existing lens couplings need to manually attach the lens to the chip, the efficiency and accuracy are low, and the labor intensity is high.

(2) Technical solutions

In order to solve the above technical problems, the utility model provides a lens coupling system, which includes: a grasping mechanism, a spatial displacement mechanism, a glue dispensing mechanism, a curing mechanism and a positioning subsystem; the grasping mechanism is used for grasping the lens; the spatial displacement mechanism is connected with the grabbing mechanism, and is used for driving the lens to move to contact the dispensing mechanism for dispensing and moving the dispensing lens and the chip to fit; the curing mechanism is set Above the chip, it is used for curing the glue between the lens and the chip; the positioning subsystem includes a first image detection mechanism, and the first image detection mechanism is arranged above the material tray and is used for Obtain position information for the lens in the tray.

On the basis of the above solution, the spatial displacement mechanism includes at least one of the X-axis sliding table and the Y-axis sliding table and the Z-axis sliding table; and the X-axis angular displacement platform, the Y-axis angular displacement platform and the Z-axis angular displacement platform at least one of.

On the basis of the above solution, a swinging cylinder is arranged between the grabbing mechanism and the spatial displacement mechanism, the spatial displacement mechanism is connected to the housing of the swinging cylinder, and the output shaft of the swinging cylinder is connected to the The gripping mechanism is connected.

On the basis of the above solution, it also includes: a limit block and a mounting seat; the limit block is arranged between the swing cylinder and the grab mechanism, and one side of the limit block is connected to the swing cylinder The housing is connected to the housing, the grabbing mechanism is fixedly connected to the mounting seat, and the mounting seat is connected to the output shaft of the swing cylinder on the other side of the limiting block; the mounting seat is connected to the limiting block. A positioning pin is connected to one side where the position blocks are connected, the other side of the limit block is provided with a positioning groove, and the positioning pin is inserted into the positioning groove.

On the basis of the above solution, the grasping mechanism includes an upper chuck, a lower chuck and a driving mechanism; one end of the upper chuck and the lower chuck are respectively connected with the driving mechanism, and the upper chuck is connected to the driving mechanism. and the other end of the lower collet are respectively vertically connected to the clamping jaws, the clamping jaws are arranged downward, and the clamping jaws of the upper clamping head and the clamping jaws of the lower clamping head are arranged oppositely, and the driving mechanism uses To drive the jaws of the upper chuck and the jaws of the lower chuck to move toward or away from each other.

On the basis of the above solution, the glue dispensing mechanism includes a glue needle assembly and a glue cup; the glue needle assembly is arranged above the glue cup, the opening of the glue cup is upward, and the glue needle assembly is inserted into the glue inside the cup to obtain glue; the glue needle assembly includes two glue needles arranged in parallel, the bottom ends of the two glue needles are in the same horizontal plane, and the distance between the two glue needles is smaller than the cross-sectional width of the cup barrel of the glue cup .

On the basis of the above solution, the glue dispensing mechanism further comprises: a glue cup seat, a first air cylinder arranged horizontally and a second air cylinder arranged vertically; the first air cylinder is connected with the glue needle assembly and is used for pushing The glue needle assembly moves horizontally; the glue cup is arranged on the glue cup seat, the second air cylinder is connected with the glue cup seat, and the second air cylinder is used to push the glue cup to move up and down so that the The glue needle assembly is inserted into the glue cup.

On the basis of the above solution, the plastic cup holder is provided with a chute, the chute is arranged in a horizontal direction perpendicular to the moving direction of the first air cylinder, and the bottom of the plastic cup is connected to the sliding groove. Slot sliding connection.

On the basis of the above scheme, the curing mechanism includes: a plurality of UV lamp heads; a plurality of UV lamp heads have an included angle with each other and the light-emitting ends are arranged to converge, and the light beams emitted by the several UV lamp heads intersect at one point; the UV lamp heads are far away from each other. The second end of the light-emitting end is connected with a connecting plate, and the connecting plate is used for fixing the UV lamp head.

On the basis of the above solution, the connecting plates connected by several UV lamp heads are connected together to form a mounting plate, the mounting plate is a bending structure, and the side of the mounting plate facing away from the UV lamp head is connected to the heat sink, and several The heat sinks are arranged at intervals and are parallel to each other.

On the basis of the above solution, the material tray is provided with at least one lens placement slot, a first through hole is opened in the middle of the bottom of the lens placement slot, and the bottom of the lens placement slot is at least one of the lenses. A second through hole is opened at the end; a first light source is arranged below the material tray, and the first light source is arranged toward the material tray; the material tray is placed on the first sample stage, and the first light source is placed on the first sample stage. A sample stage is provided with a third through hole at a position corresponding to the first through hole and the second through hole; the bottom of the first sample stage is provided with a first adjustment mechanism, and the first adjustment mechanism includes X Axis and Y axis to move the platform.

On the basis of the above solution, the positioning subsystem further includes: a second image detection mechanism and a third image detection mechanism; the second image detection mechanism is arranged above the chip and is used to collect the chip and the lens from above The second image detection mechanism is provided with a second light source facing the chip; the third image detection mechanism is provided on one side of the chip and is used to collect images of the chip and the lens from the side. A third light source is provided on the other side of the lens; the second image detection mechanism and the third image detection mechanism are used to position the lens and the chip in the bonding process; the first image detection mechanism, the second image detection mechanism The mechanism and the third image detection mechanism are respectively electrically connected with the spatial displacement mechanism; the first image detection mechanism, the second image detection mechanism and the third image detection mechanism respectively comprise industrial cameras.

On the basis of the above solution, the chip is placed on the base; the base is provided with a step surface corresponding to a plurality of chips one-to-one along the length direction; the chip is vertically arranged at one end of the step surface; the The base is placed on the second sample stage, and the bottom of the second sample stage is provided with a second adjustment mechanism; the second adjustment mechanism includes a horizontal moving platform and a vertical moving platform along the length direction of the base.

On the basis of the above solution, the positioning subsystem further includes: a light spot detection mechanism, the light spot detection mechanism includes probes and probes disposed opposite to both sides of the chip, the probes are used to contact the chip so that the chip is energized to emit a light beam; the probe is used to detect the light spot formed by the light beam; the probe is electrically connected with the spatial displacement mechanism, and the spatial displacement mechanism adjusts the position of the lens according to the state of the light spot. pose.

(3) Beneficial effects

The lens coupling system provided by the utility model can automatically complete the various processes of the coupling process of the lens and the chip, and the first image detection mechanism is provided to obtain the precise position information of the lens on the tray by collecting the image of the tray, so that the grasping The pick-up mechanism can grasp the lens smoothly and accurately, the system has a high degree of automation, can reduce labor intensity, and can position the lens to improve efficiency and accuracy.

Description of drawings

1 is a first schematic diagram of a lens coupling system according to an embodiment of the present invention;

2 is a second schematic diagram of a lens coupling system according to an embodiment of the present invention;

3 is a schematic diagram of a spatial displacement mechanism in an embodiment of the present invention;

4 is a schematic diagram of a mounting seat in an embodiment of the present invention;

5 is a schematic diagram of a limit block in an embodiment of the present invention;

6 is a schematic diagram of a grabbing mechanism in an embodiment of the present invention;

Fig. 7 is the first schematic diagram of the dispensing mechanism in the embodiment of the present utility model;

8 is a second schematic diagram of the dispensing mechanism in the embodiment of the present invention;

9 is a schematic diagram of the connection between the plastic cup and the plastic cup holder in the embodiment of the present utility model;

Fig. 10 is the schematic diagram of tablet pressing in the embodiment of the utility model;

11 is a schematic diagram of a curing mechanism in an embodiment of the present invention;

Fig. 12 is the schematic diagram of the material tray in the embodiment of the utility model;

13 is a schematic diagram of the relative positional relationship between the lens placement groove and the lens in the embodiment of the present utility model;

14 is a schematic diagram of the adjustment process of the chuck in the embodiment of the present invention;

15 is a schematic diagram of the adjustment process of the coupling between the target lens and the chip obtained by the second image detection mechanism in the embodiment of the present invention;

FIG. 16 is a schematic diagram of the adjustment process of the coupling between the target lens and the chip obtained by the third image detection mechanism in the embodiment of the present invention.

Description of reference numbers:

1—dispensing mechanism; 101—plastic needle assembly; 102—plastic cup;

103—plastic cup holder; 104—first cylinder; 105—second cylinder;

106—tablet; 1021—cup tube; 1022—cup bottom;

1031—chute; 2—curing mechanism; 201—UV lamp head;

202—beam; 203—radiator; 204—first side;

205—the second side; 206—the power cord; 207—the fixing plate;

31—Grab mechanism; 32—Space displacement mechanism; 33—Swing cylinder;

34—Limiting block; 35—Mounting seat; 36—Locating pin;

311—upper chuck; 312—lower chuck; 313—claw;

314—Slotting; 315—Air Claw Cylinder; 316—Air Claw;

321—X-axis slide table; 322—Z-axis slide table; 323—Y-axis angular displacement platform;

341—positioning slot; 3131—the first position of the chuck; 325—Z-axis angular displacement platform;

342—opening; 3132—second position of chuck; 324—X-axis angular displacement platform;

51—lens placement slot; 3134—fourth position of chuck; 4—first image detection mechanism;

5—the material tray; 3133—the third position of the chuck; 52—the first through hole;

53—the second through hole; 54—the T-shaped groove; 6—the first sample stage;

7—the first adjustment mechanism; 10—the base; 8—the second image detection mechanism;

11—the second sample stage; 12—the second adjustment mechanism; 9—the third image detection mechanism;

13—Probe; 14—Probe; 15—Timing belt group;

16—frame; 17—support table; 18—three-dimensional adjustment frame;

19—target lens; 20—clamping position; 1901—lens first position;

22—chip mounting position; 21—target chip; 1902—second lens position;

1903—the third position of the lens; 1904—the fourth position of the lens.

Detailed ways

The specific embodiments of the present utility model will be described in further detail below with reference to the accompanying drawings and embodiments. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

In the description of the present invention, it should be noted that, unless otherwise expressly specified and limited, the terms "installed", "connected" and "connected" should be understood in a broad sense, for example, it may be a fixed connection or a connectable connection. Detachable connection, or integral connection; may be mechanical connection or electrical connection; may be direct connection, or indirect connection through an intermediate medium, or internal communication between two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood in specific situations.

According to an embodiment of the present invention, a lens coupling system is provided. Referring to FIG. 1 and FIG. 2 , the system includes: a grasping mechanism 31 , a spatial displacement mechanism 32 , a glue dispensing mechanism 1 , a curing mechanism 2 and a positioning subsystem. The grabbing mechanism 31 is used for grabbing the lens in the tray 5 . The space displacement mechanism 32 is connected with the grabbing mechanism 31 and is used to drive the lens to move to contact the dispensing mechanism 1 for dispensing and to move the dispensing lens to attach to the chip.

The curing mechanism 2 is arranged above the chip, and is used for curing the glue between the lens and the chip. The positioning subsystem includes a first image detection mechanism 4 . The first image detection mechanism 4 is arranged above the tray 5 and is used to obtain position information of the lens in the tray 5 .

In the lens coupling system provided in this embodiment, the spatial displacement mechanism 32 can drive the grabbing mechanism 31 to move in space. The grasping mechanism 31 is a component that mainly contacts the lens to grasp and fix the lens. The lens is initially placed on the tray 5 . First, the space displacement mechanism 32 drives the grab mechanism 31 to move, and the grab mechanism 31 grabs the lens from the tray 5 .

Then, the space displacement mechanism 32 drives the grab mechanism 31 and the lens to move, and dispenses glue to the lens at the glue dispensing mechanism 1 . Then, the space displacement mechanism 32 drives the grabbing mechanism 31 and the lens to move to the position where the chip is placed, and the lens is attached to the chip. The lens is integrated with the chip through glue. After the lens is attached to the chip, the curing mechanism 2 disposed above the chip cures the glue, so as to realize the firm attaching of the lens and the chip.

By arranging the first image detection mechanism 4 above the tray 5 , the image of the tray 5 can be collected, and then the precise position information of the lens in the tray 5 can be obtained according to the image. Further, the movement of the spatial displacement mechanism 32 is controlled according to the position information, so that the grasping mechanism 31 can grasp the lens smoothly and accurately.

The lens coupling system provided in this embodiment can automatically complete each process of the lens and chip coupling process, and the first image detection mechanism 4 is provided to obtain the precise position information of the lens on the tray 5 by collecting the image of the tray 5 , Therefore, the grasping mechanism 31 can grasp the lens smoothly and accurately. The system has a high degree of automation, which can reduce labor intensity, and can position the lens to improve the accuracy.

On the basis of the above embodiment, further, referring to FIG. 3 , the spatial displacement mechanism 32 includes at least one of the X-axis sliding table 321 and the Y-axis sliding table and the Z-axis sliding table 322; and the X-axis angular displacement platform 324, the Y-axis sliding table At least one of the angular displacement stage 323 and the Z-axis angular displacement stage 325 .

The X-axis sliding table 321 , the Y-axis sliding table and the Z-axis sliding table 322 can realize the spatial linear movement of the grabbing mechanism 31 . The spatial displacement mechanism 32 may include linear electric sliding tables in three directions, or may only be provided with linear electric sliding tables in a vertical direction and a horizontal direction. The number of the sliding tables can be set according to the position that the grabbing mechanism 31 needs to move during the process of clamping the lens, dispensing glue, and bonding, which is not limited.

Taking the linear electric sliding table set in three directions as an example, that is, the spatial displacement mechanism 32 includes an X-axis sliding table 321 , a Y-axis sliding table and a Z-axis sliding table 322 . The space displacement mechanism 32 can be arranged on a fixed support table 17 and arranged on one side of the material tray 5 . The connection structure of the X-axis sliding table 321 , the Y-axis sliding table and the Z-axis sliding table 322 is as follows: the X-axis sliding table 321 can be fixedly arranged and can be fixedly connected with the support table 17 . The Y-axis sliding table is connected with the slider of the X-axis sliding table 321, and the X-axis sliding table 321 can drive the Y-axis sliding table to move linearly along the X-axis direction;

The Z-axis sliding table 322 can be connected with the slider of the Y-axis sliding table, and the Y-axis sliding table can drive the Z-axis sliding table 322 to move linearly along the Y-axis direction. At the same time, the Z-axis sliding table 322 and the Y-axis sliding table are integrated and can move linearly along the X-axis direction under the driving of the X-axis sliding table 321 .

The grabbing mechanism 31 can be arranged to be connected with the slider of the Z-axis sliding table 322 . The grasping mechanism 31 can move linearly along the Z-axis direction under the driving of the Z-axis sliding table 322 . Therefore, the spatial displacement mechanism 32 can realize the linear movement of the grabbing mechanism 31 in three directions.

The provision of the sliding table can also facilitate precise positioning of the displacement of the grabbing mechanism 31 . The grabbing mechanism 31 can be moved to a preset position through the sliding table, so as to facilitate the movement of the lens. Through the sliding table, the grabbing mechanism 31 can be moved to a desired position along a preset track, so that the lens can be easily clamped, glued and placed.

Because in the process of clamping the device, for example, in the process of attaching the lens to the chip, the lens is mostly placed in the tray 5 manually. Manual placement does not guarantee that each lens will be placed in the preset position without deviation. Inevitably there is some angular deviation between the lens and the preset position.

Therefore, an angular displacement platform is provided to drive the grabbing mechanism 31 to perform angular deflection movement, so as to adapt to the angular deviation of the lens and ensure that the lens can be clamped smoothly. Three-direction angular displacement platforms that can rotate around three directions can be set up, two-direction angular displacement platforms can also be set, and one-directional angular displacement platforms can also be set.

The number of angular displacement platforms can be set according to specific needs, which is not limited. Further, take the setting of angular displacement platforms in three directions as an example, that is, the X-axis angular displacement platform 324 , the Y-axis angular displacement platform 323 and the Z-axis angular displacement platform 325 are simultaneously arranged. The X-axis angular displacement platform 324 is a platform capable of providing rotational motion around the X-axis direction.

The connection structure of the X-axis angular displacement platform 324, the Y-axis angular displacement platform 323 and the Z-axis angular displacement platform 325 is as follows: the X-axis angular displacement platform 324 can be connected with the slider of the Z-axis sliding table 322; the Y-axis angular displacement platform 323 can be connected It is connected with the rotating block of the X-axis angular displacement platform 324 ; the Z-axis angular displacement platform 325 is connected with the rotating block of the Y-axis angular displacement platform 323 ; the driving mechanism can be connected with the rotating block of the Z-axis angular displacement platform 325 .

The grasping mechanism 31 can realize rotational movement around three directions under the driving of the angular displacement platform, so as to adapt to the deflection of the lens angle and ensure that the lens can be smoothly clamped. Further, the X-axis sliding table 321, the Y-axis sliding table and the Z-axis sliding table 322 all include displacement sensors. The X-axis angular displacement stage 324, the Y-axis angular displacement stage 323, and the Z-axis angular displacement stage 325 all include angle sensors. It is convenient to control and adjust the movement of the spatial displacement mechanism 32 .

On the basis of the above-mentioned embodiment, further, referring to FIG. 3 , a swinging cylinder 33 is arranged between the grabbing mechanism 31 and the spatial displacement mechanism 32 . The space displacement mechanism 32 is connected with the housing of the swing cylinder 33 , and the output shaft of the swing cylinder 33 is connected with the grab mechanism 31 .

The swing cylinder 33 is a cylinder capable of providing rotational movement around the output shaft. The oscillating cylinder 33 is provided to rotate the grabbing mechanism 31 and the lens after the grabbing mechanism 31 grabs the lens, so that the bottom surface of the lens faces in different directions, which is convenient for adapting to chips in different directions and smoothly attaching the lens to the chip.

On the basis of the above-mentioned embodiment, further referring to FIG. 3 , a lens coupling system further includes: a limiting block 34 and a mounting seat 35 . The limit block 34 is provided between the swing cylinder 33 and the grabbing mechanism 31 . One side of the limiting block 34 is connected to the housing of the swing cylinder 33 . The grabbing mechanism 31 is fixedly connected with the mounting seat 35 . The mounting seat 35 is connected with the output shaft of the swing cylinder 33 on the other side of the limit block 34 . A positioning pin 36 is connected to the side of the mounting seat 35 that is in contact with the limiting block 34 . The other side of the limiting block 34 is provided with a positioning groove 341 . The positioning pins 36 are inserted into the positioning grooves 341 .

The limit block 34 is used to limit the angle at which the swing cylinder 33 drives the grab mechanism 31 to swing. The swing cylinder 33 is located on one side of the limit block 34 , and the grab mechanism 31 is located on the other side of the limit block 34 . The limit block 34 is connected with the housing of the swing cylinder 33 , and the limit block 34 does not rotate with the rotation of the output shaft of the swing cylinder 33 . The grab mechanism 31 is integrally rotated with the output shaft of the swing cylinder 33 .

When the swinging cylinder 33 drives the grabbing mechanism 31 to rotate integrally, the limit block 34 can block the rotation of the grabbing mechanism 31 , thereby controlling the swing angle of the grabbing mechanism 31 . The swing cylinder 33 is mainly arranged to adapt to the position of the chip when the lens is attached. The limit block 34 can be specifically set according to the actual chip position, so that under the limit of the limit block 34, the angle of rotation between the grasping mechanism 31 and the lens Meet fit needs.

Referring to FIG. 4 , setting the mounting seat 35 can facilitate the fixing of the grabbing mechanism 31 and the connection between the grabbing mechanism 31 and the swing cylinder 33 . The mounting seat 35 and the grabbing mechanism 31 are integrally rotated under the driving of the swinging cylinder 33 . Referring to FIG. 5 , the limiting block 34 may have a block-like structure. An opening 342 may be provided in the middle portion of the limiting block 34 , so that the output shaft of the swing cylinder 33 can be connected to the mounting seat 35 through the limiting block 34 through the opening 342 . The limit block 34 can be fixedly connected to the housing of the oscillating cylinder 33 at the edge position.

The other side of the limiting block 34 , that is, the side facing away from the swing cylinder 33 is connected to the mounting seat 35 . A positioning pin 36 is fixedly connected to the side where the mounting seat 35 is connected to the limiting block 34 . Driven by the swing cylinder 33 , the positioning pin 36 and the mounting seat 35 rotate integrally.

A positioning groove 341 is provided on the other side of the limiting block 34 . The positioning grooves 341 can be disposed along the rotation direction of the positioning pins 36 . This enables the positioning pin 36 to rotate smoothly in the positioning groove 341 . The edge of the positioning slot 341 can block the rotation of the positioning pin 36 , thereby limiting the rotation of the grabbing mechanism 31 . The slotting angle of the positioning groove 341 , that is, the angle allowing the positioning pin 36 to rotate can be set according to the position where the lens needs to be rotated, and is not limited.

Further, in the process of attaching the lens to the chip, the lens is generally placed on a horizontal plane, while the chip is placed vertically. When the grasping mechanism 31 grasps the lens, the bottom surface of the lens faces downward. When attaching the lens to the chip, the bottom surface of the lens needs to face the chip, that is, the bottom surface of the lens should be placed vertically.

At this time, the slotting angle of the positioning slot 341 can be set to be 90°, that is, the angle between the edges of the two sides of the positioning slot 341 is 90°. The positioning pin 36 is initially located on one side of the positioning groove 341 . When the swinging cylinder 33 drives the grabbing mechanism 31 to rotate, the positioning groove 341 can limit the grabbing mechanism 31 and the lens to rotate by 90°. The bottom surface of the lens is rotated into a vertical state, which is convenient for bonding with the chip.

Further, the limiting block 34 can also be other structures to limit the rotation angle of the grabbing mechanism 31 . For example, a limit block 34 may be provided on the rotation path of the grabbing mechanism 31 , and the rotation angle can be controlled by blocking the rotation of the grabbing mechanism 31 by the limit block 34 . The specific structure of the limiting block 34 is not limited.

On the basis of the above-mentioned embodiment, further, referring to FIG. 6 , the grasping mechanism 31 includes an upper chuck 311 , a lower chuck 312 and a driving mechanism. One ends of the upper chuck 311 and the lower chuck 312 are respectively connected with the driving mechanism. The other ends of the upper chuck 311 and the lower chuck 312 are respectively vertically connected to the clamping jaws 313 . The clamping jaws 313 are disposed downward, and the clamping jaws 313 of the upper clamping head 311 and the clamping jaws 313 of the lower clamping head 312 are oppositely disposed. The driving mechanism is used to drive the jaws 313 of the upper chuck 311 and the jaws 313 of the lower chuck 312 to move toward or away from each other.

The upper chuck 311 and the lower chuck 312 may be in the shape of a plate or a rod, respectively, and the specific shape is not limited. One end of the upper collet 311 is connected to the driving mechanism, and the other end is vertically connected to the clamping jaw 313 downward, so that the upper collet 311 and the clamping jaw 313 are L-shaped as a whole. Similarly, one end of the lower chuck 312 is connected with the driving mechanism, and the other end is vertically connected with the clamping jaw 313 downward, so that the lower chuck 312 and the clamping jaw 313 form an L-shape as a whole.

The upper chuck 311 is located above the lower chuck 312 and can be arranged in parallel with the lower chuck 312 up and down. The upper chuck 311 and the lower chuck 312 may be in contact, or there may be a gap. The clamping jaws 313 of the upper clamping head 311 and the clamping jaws 313 of the lower clamping head 312 are vertically arranged and parallel to each other. The driving mechanism can drive the upper clamping head 311 and/or the lower clamping head 312 to move, thereby changing the distance between the two clamping jaws 313 . The device to be clamped, that is, the lens, is placed between the two clamping jaws 313, and the two clamping jaws 313 move toward each other to clamp the device; the two clamping jaws 313 move toward each other to loosen the device.

Further, the bottom surfaces of the two clamping jaws 313 should be flush; that is, located on the same horizontal plane. It is convenient to clamp the device placed on the horizontal plane to ensure the smooth clamping of the device.

The driving mechanism includes: an air gripper cylinder 315; the air gripper cylinder 315 includes two mutually parallel air grippers 316, and the two air grippers 316 are respectively connected with one end of the upper chuck 311 and the lower chuck 312 in a one-to-one correspondence.

One of the two grippers 316 of the gripper cylinder 315 is connected to one end of the upper gripper 311 , and the other is connected to one end of the lower gripper 312 . The air claw cylinder 315 can drive the two air claws 316 to move toward each other or opposite to each other, thereby driving the upper chuck 311 and the lower chuck 312 to move toward or away from each other, so as to meet the clamping needs.

Further, the driving mechanism can also be set to other mechanisms, which is not specifically limited. For example, the driving mechanism can also be a slide rail and a motor; one of the upper chuck 311 and the lower chuck 312 can be fixedly connected to the slide rail, and the other is slidably connected to the slide rail. The collet slidingly connected with the slide rail is connected with the motor, and the motor can drive the collet to move along the slide rail. Therefore, the distance between the collet and the other collet can be adjusted by the motor for clamping. The motor can be a cylinder or a belt conveyor, etc., which is not specifically limited.

The middle part of the clamping jaw 313 is provided with a slot 314 with an opening facing downward. The jaws 313 are members that come into contact with the lens. When the lens is clamped, two clamping jaws 313 are located on both sides of the lens. A slot 314 is provided on each jaw 313 so that the jaws 313 on either side of the lens can contact two parts of the lens.

Not only can the clamping jaw 313 hold the lens firmly and steadily, but also the middle part of the clamping jaw 313 is provided with a slot 314, and the clamping jaw 313 does not contact the middle part of the lens, which can prevent the clamping jaw 313 from causing damage to the middle part of the lens. Normal use.

On the basis of the above embodiment, further referring to FIGS. 7 and 8 , the glue dispensing mechanism 1 includes a glue needle assembly 101 and a glue cup 102 . The glue needle assembly 101 is disposed above the glue cup 102, the glue cup 102 has an opening facing upward, and contains glue inside. The glue needle assembly 101 is inserted into the glue cup 102 to obtain glue. The glue needle assembly 101 includes two glue needles arranged in parallel and spaced apart. The bottom ends of the two rubber needles are at the same level. The distance between the two glue needles is smaller than the cross-sectional width of the cup tube 1021 of the glue cup 102 .

The glue needle assembly 101 is dipped into the glue inside the glue cup 102 by dipping the glue, so that the glue is attached to the bottom end of the glue needle assembly 101 . The grasping mechanism 31 can grasp the lens and wait for the glue dispensing device to contact the bottom end of the glue needle assembly 101, so as to apply glue on the lens.

The glue needle assembly 101 can be a simple shaft-shaped or needle-shaped structure, so that the glue dispensing system has a simple structure and is easy to manufacture. The glue dispensing system is simple to operate, and the glue needle assembly 101 is set to obtain glue by dipping, compared with the existing glue barrel structure, it is convenient to control the amount of glue applied each time, which is beneficial to uniform coating.

The two glue needles can be inserted into the glue cup 102 at the same time to get glue. When applying glue to the device to be dispensed, the two spaced glue needles can simultaneously apply glue to both ends of the device to be dispensed, such as a lens, which is beneficial to improve the dispensing efficiency.

Further, the depth and time of each insertion of the glue needle into the glue cup 102 can be controlled to control the amount of glue dipped by the glue needle each time. Control the time that the glue needle stays in the air after dipping the glue to control the uniformity of the glue applied to the lens.

Further, the distance between the two glue needles in the glue needle assembly 101 may be slightly smaller than the length of the device to be dispensed. In this way, the two glue needles can be in contact with both ends of the device to be dispensed at the same time for dispensing. The distance between the two glue needles can also be slightly larger than the length of the device to be dispensed. In this way, the device to be dispensed can move between the two glue needles, and the two ends of the device with glue should be in contact with the glue at the bottom of the glue needle to realize glue dispensing.

Because the lens is a more precise device, it is generally smaller in size. When the distance between the two glue needles is slightly larger than the length of the lens, as long as the two ends of the lens can be in contact with the glue, the glue can be applied to the two ends of the lens, which can meet the needs of the lens for gluing.

On the basis of the above embodiment, the glue dispensing mechanism 1 further includes: a glue cup holder 103 , a first air cylinder 104 arranged horizontally and a second air cylinder 105 arranged vertically. The first air cylinder 104 is connected with the glue needle assembly 101 and is used for pushing the glue needle assembly 101 to move horizontally. The glue cup 102 is arranged on the glue cup holder 103 . The second air cylinder 105 is connected to the plastic cup holder 103 . The second air cylinder 105 is used to push the glue cup 102 to move up and down so that the glue needle assembly 101 is inserted into the glue cup 102 .

A fixedly mounted frame 16 may be provided for fixing the first cylinder 104 and the second cylinder 105 . The moving direction of the first air cylinder 104 is the horizontal direction. The two glue needles can be connected to a connecting plate at the same time, and are connected to the first cylinder 104 through the connecting plate. The first air cylinder 104 can drive the glue needle assembly 101 to move back and forth in the horizontal direction, which is convenient for transporting the glue needle assembly 101 to a position convenient for dispensing, and for adjusting the position of the glue needle assembly 101 to be above the glue cup 102 .

The moving direction of the second air cylinder 105 is the vertical direction. The glue needle assembly 101 is located above the glue cup 102 , the second air cylinder 105 drives the glue cup 102 to rise, so that the glue needle is inserted into the glue cup 102 to dip the glue; the second air cylinder 105 drives the glue cup 102 to descend, so that the glue needle leaves the glue cup 102 , which is convenient for applying glue to the device to be dispensed.

The cylinder provides linear motion through the expansion and contraction of the piston. Different setting directions of the cylinder can provide linear motion in different directions.

The first air cylinder 104 and the second air cylinder 105 can also be set to other structures, for example, can be set to a guide rail slider structure. That is, a guide rail is provided, the sliding block is slidably connected with the guide rail, and the sliding block can be driven to move linearly along the guide rail through the driving of the motor. It can also be set to a lead screw nut structure, etc., which is not specifically limited.

Further, the first cylinder 104 can be arranged to be connected with the three-dimensional adjustment frame 18 . The three-dimensional adjustment frame 18 can be set to be connected to the frame 16 , the first air cylinder 104 to be connected to the three-dimensional adjustment frame 18 , and the glue needle assembly 101 to be connected to the first air cylinder 104 . The initial position of the glue needle assembly 101 can be adjusted to better adapt to the position of the device to be dispensed.

Further, fine adjustment knobs may be provided on the first cylinder 104 and the second cylinder 105 for adjusting the strokes of the cylinders.

On the basis of the above-mentioned embodiment, further, referring to FIG. 9 , the glue cup holder 103 is provided with a chute 1031 . The chute 1031 is arranged in a horizontal direction perpendicular to the moving direction of the first air cylinder 104 . The bottom 1022 of the plastic cup 102 is slidably connected with the chute 1031 . The bottom 1022 of the plastic cup 102 is inserted into the chute 1031 . The bottom 1022 of the glue cup 102 is slidably connected with the chute 1031 , so that the glue cup 102 can move along the chute 1031 to adjust the position of the glue cup 102 .

The glue cup 102 is slidably connected with the glue cup holder 103 , and the sliding direction is perpendicular to the moving direction of the glue needle assembly 101 . By adjusting the position of the glue cup 102 or the glue needle assembly 101 , the glue cup 102 can be located directly below the glue needle assembly 101 , so that the glue can be dipped smoothly.

On the basis of the above embodiment, further, the cross-sectional area of the cup bottom 1022 of the plastic cup 102 is larger than the cross-sectional area of the cup barrel 1021 of the plastic cup 102 . The bottom 1022 of the plastic cup 102 and the plastic cup base 103 are detachably connected through a connecting piece. The connector is used to connect the glue cup 102 and the glue cup holder 103 to fix the glue cup 102 after the position of the glue cup 102 is adjusted. The cross section of the cup bottom 1022 of the plastic cup 102 is set larger than the cross section of the cup barrel 1021 , which can facilitate the setting of the connecting piece to realize the fixing of the plastic cup 102 .

On the basis of the above-mentioned embodiment, further, referring to FIG. 10 , the connecting piece includes a pressing piece 106 . The tablet 106 is U-shaped. The two side walls of the pressing sheet 106 are respectively covered on the cup bottom 1022 on both sides of the cup barrel 1021 of the plastic cup 102 . The pressing piece 106 is connected with the plastic cup holder 103 by bolts.

The open ends of the U-shaped pressing piece 106 can be inserted on both sides of the cup barrel 1021 of the plastic cup 102 , so that the two side walls of the pressing piece 106 are pressed against the bottom 1022 of the plastic cup 102 . The other end of the pressing piece 106 can be connected and fixed with the plastic cup holder 103 by bolts. The glue cup 102 is fixed by the pressure of the pressing sheet 106 .

On the basis of the above embodiment, further, the connecting piece includes a clamping mechanism. The clamping mechanism is used to clamp and fix the bottom 1022 of the plastic cup 102 and the plastic cup seat 103 . The connector can also be set as a clamping mechanism, that is, after the position of the glue cup 102 is adjusted, the glue cup 102 and the glue cup seat 103 are clamped to realize the fixing of the glue cup 102 .

The clamping mechanism may be a clamping member, such as a clamp, for clamping the bottom 1022 of the glue cup 102 and the glue cup base 103 . The clamping mechanism can also be a Z-piece. On both sides of the plastic cup 102 , the bottom 1022 of the plastic cup 102 is connected with the plastic cup seat 103 through Z-shaped pieces. On either side of the glue cup 102, two Z-shaped pieces are provided, one above the glue cup holder 103 and one below. Through the fixed connection of the two Z-shaped pieces, the bottom 1022 of the plastic cup 102 is clamped and fixed.

The plastic cup 102 can also be adjusted and fixedly connected to the plastic cup holder 103 through other structures, which is not limited in detail.

On the basis of the above embodiment, further referring to FIG. 11 , the curing mechanism 2 includes: a plurality of UV lamp heads 201 . The plurality of UV lamp heads 201 have an included angle with each other, and the light-emitting ends are arranged in a convergent manner. The light beams 202 emitted by several UV lamp heads 201 intersect at one point. The second end of the UV lamp head 201 away from the light-emitting end is connected to the connecting plate. The connecting plate is used for fixing the UV lamp head 201 .

In a curing mechanism 2 provided in this embodiment, a plurality of UV lamp heads 201 are converged and arranged at a certain angle, so that the multiple light spots of the plurality of UV lamp heads 201 are converged, so that the intensity of the UV light can be increased, and the device to be cured can be placed on the At the convergence of the light spot, the irradiation effect can be improved and the curing efficiency can be improved.

The UV lamp head 201 can emit UV ultraviolet light. Preferably, the UV lamp head 201 is a lamp that emits light from one end. The UV lamp head 201 can be fixed at a suitable position and formed at a suitable angle through the connecting plate.

Further, the UV lamp head 201 can be fixedly connected to the plastic cup holder 103 through a connecting plate. The chip can be arranged below the plastic cup holder 103, so that the light of the UV lamp head 201 can be irradiated on the chip. The UV lamp head 201 can also be fixed by the frame 16 for the purpose of being able to irradiate the converging point of the light beam 202 onto the chip.

On the basis of the above embodiment, further, a plurality of connecting plates connected to the UV lamp heads 201 are connected together to form a mounting plate. The mounting plate is a bent structure. The side of the mounting plate facing away from the UV lamp head 201 is connected to the heat sink 203 . Several heat sinks 203 are arranged at intervals and are parallel to each other.

That is, several UV lamp heads 201 are connected and fixed to one mounting plate at the same time. The mounting plate is a bent structure. It is convenient for the UV lamp heads 201 to be arranged at a certain angle with each other. Several UV lamp heads 201 are integrated on a mounting plate, so that the curing mechanism 2 is designed as a whole, and the structure is compact, which can be easily installed and debugged. Disposing the heat sink 203 can accelerate the heat dissipation during the working process of the UV lamp head 201 , and ensure the long-term and efficient operation of the UV lamp head 201 . The heat sink 203 may be vertically arranged with the connecting plate.

Further, the mounting plate is L-shaped. The L-shaped mounting plate has two sides. The first side 204 of the mounting board is a bent structure and is connected with the heat sink 203 . The second side edge 205 of the mounting plate is fixedly connected with the plastic cup holder 103 or the frame 16 . The second side edge 205 of the mounting plate can be detachably and fixedly connected to the plastic cup holder 103 or the frame 16 through bolts.

Further, a fixing plate 207 is provided on the second side edge 205 of the mounting plate. There is a distance between the fixing plate 207 and the second side edge 205 . The power cord 206 of the UV lamp head 201 is fixed by the fixing plate 207 on one side or both sides of the fixing plate 207 .

The fixing plate 207 may be disposed parallel to the second side edge 205 . And the fixing plate 207 can be detachably and fixedly connected with the second side edge 205 . Through holes may be provided on the mounting board at the gaps between the heat sinks 203 . The power line 206 of the UV lamp head 201 passes through the through hole to the side of the mounting board where the heat sink 203 is provided.

The power line 206 can be arranged between the fixing plate 207 and the second side edge 205 , can also be arranged on the side of the fixing plate 207 away from the second side edge 205 , or can be arranged on both sides of the fixing plate 207 . The power cord 206 can be fixed by the fixing plate 207 . For example, the power cord 206 can be fixed to the fixing plate 207 by a clamp or the like.

The provision of the second side edge 205 is not only convenient to install and fix the curing mechanism 2 as a whole, but also facilitates the fixing of the power cord 206 of the UV lamp head 201 . The power cords 206 of the UV lamp heads 201 are fixed by the fixing plate 207, so that the power cords 206 of several UV lamp heads 201 can be placed in an orderly manner, which is convenient for connecting the power supply, and increases the integration of the entire curing mechanism 2, which is convenient for installation and use.

Further, the fixing plate 207 and the second side edge 205 of the mounting plate can be connected by bolts, and spacers can be provided between the fixing plate 207 and the second side edge 205 of the mounting plate and at both ends of the fixing plate 207, so that the fixing plate 207 can be fixed. There is a distance between the plate 207 and the second side 205 of the mounting plate. The mounting plate can also be fixedly connected to the plastic cup holder 103 or the frame 16 directly through the bolts. The mounting plate can also be connected to the plastic cup holder 103 or the frame 16 at other positions, and the fixing plate 207 and the mounting plate can also be connected to form a distance by other means, which is not specifically limited.

On the basis of the above embodiment, further, the UV lamp head 201 is rotatably connected with the connecting plate. A mounting seat is provided on the connecting plate, and the UV lamp head 201 is hingedly connected or pinned to the mounting seat. Setting the UV lamp heads 201 to be rotatable on the mounting plate can easily adjust the angle of each UV lamp head 201 , adjust the position of the light spot converged by the entire curing mechanism 2 , and improve the flexibility and applicability of the entire curing mechanism 2 .

The curing mechanism 2 is suitable for high-power laser FAC lens coupling and packaging equipment, that is, in the process of laser lens coupling, ultraviolet glue is arranged between the lens and the laser chip, and the curing mechanism 2 can be used for UV glue between the lens and the laser chip. The glue is cured.

On the basis of the above embodiment, further referring to FIG. 12 , at least one lens placement groove 51 is provided on the tray 5 . A first through hole 52 is opened in the middle of the bottom of the lens placement groove 51 . The bottom of the lens placement groove 51 is provided with a second through hole 53 at at least one end of the lens.

A first light source is disposed below the tray 5 , and the first light source is disposed toward the tray 5 . The tray 5 is placed on the first sample stage 6 . The first sample stage 6 is provided with a third through hole at a position corresponding to the first through hole 52 and the second through hole 53 . The bottom of the first sample stage 6 is provided with a first adjustment mechanism 7 , and the first adjustment mechanism 7 includes an X-axis and a Y-axis moving platform.

The number of the lens placement grooves 51 may be one or a plurality of them. In this embodiment, the number of the lens placement grooves 51 is taken as an example for description. The plurality of lens placement grooves 51 are arranged in a vertical and horizontal array. The first through hole 52 is in the shape of a long strip and is located in the middle part of the lens placement groove 51 , so that the two sides of the middle part of the lens correspond to the position of the first through hole 52 . That is, from the bottom of the tray 5 , the two sides of the middle part of the lens can be seen through the first through hole 52 .

The number of the second through holes 53 is one, the shape is circular, and is disposed at one end of the lens placement groove 51 . The other end of the lens placement groove 51 is provided with a T-shaped groove 54 . When placing the lens, one end of the lens is located on the second through hole 53 , and the other end of the lens is located on the T-shaped groove 54 . That is, one end of the lens can be seen through the second through hole 53 from the bottom of the tray 5 . The T-shaped groove 54 is not provided through the tray 5 for supporting the other end of the lens. The width of the T-shaped groove 54 can be adapted to the width of the lens, so as to facilitate the preliminary positioning of the lens when it is placed.

In addition to the above situation, the number of the second through holes 53 can also be two, and they are symmetrically arranged at both ends of the lens placement groove 51 .

The first light source emits light from the bottom of the tray 5 toward the tray 5 . The first light source may be spaced from the tray 5 by a certain distance, or may be directly disposed at the bottom of the tray 5 . The first light source in this embodiment is disposed below the first sample stage 6 and can be fixed by a base fixed on the support table 17 . The light emitted by the first light source can pass through the third through hole of the sample stage and the first through hole 52 and the second through hole 53 on the tray 5 to illuminate the lens.

The first light source is below the tray 5, and can only pass through the tray 5 at the first through holes 52 and the second through holes 53, so that in the image of the tray 5 collected by the first image detection mechanism 4, the The color of the hole 52 and the second through hole 53 is obviously different from that of other parts of the lens placement groove 51 . It is convenient to identify the positions of the lens at the first through hole 52 and the second through hole 53 . The two sides of the lens can be identified through the first through hole 52 , which can be used to determine the angle between the lens and the center line of the lens placement groove 51 as the preset reference line. The end of the lens can be determined through the second through hole 53 , the two ends of the lens can be determined according to the known length parameter of the lens, and then the position information of the lens can be determined.

The first adjustment mechanism 7 may be a related structure capable of providing linear movement along the X axis and linear movement along the Y axis. It can be a sliding table structure or a motor, a lead screw and a nut seat structure, which is not limited in detail, in order to provide linear movement. The first adjustment mechanism 7 can drive the first sample stage 6 to move, which is convenient for placing the tray 5 and moving the tray 5 to an appropriate initial position.

On the basis of the above embodiment, the positioning subsystem further includes: a second image detection mechanism 8 and a third image detection mechanism 9 . The second image detection mechanism 8 is disposed above the chip, and is used to collect images of the chip and the lens from above. The second image detection mechanism 8 is provided with a second light source facing the chip. The third image detection mechanism 9 is arranged on one side of the chip, and is used to collect images of the chip and the lens from the side. The other side of the chip is provided with a third light source. The third light source is disposed toward the third image detection mechanism 9 . The second image detection mechanism 8 and the third image detection mechanism 9 are used to position the lens and the chip during the bonding process.

After the lens is glued, the space displacement mechanism 32 can first move the lens above the chip according to the initial position information of the chip. The second image detection mechanism 8 cooperates with the second light source, and can collect images of the lens and the chip from above the chip. Through this image, the horizontal distance between the lens and the chip and the offset angle of the lens relative to the chip from a top view can be analyzed.

The third image detection mechanism 9 cooperates with the third light source, and can collect images of the chip and the lens at the side. Through this image, the vertical distance between the lens and the chip and the offset angle of the lens relative to the chip from the test angle can be analyzed.

The first image detection mechanism 4 , the second image detection mechanism 8 and the third image detection mechanism 9 are respectively electrically connected to the spatial displacement mechanism 32 . The spatial displacement mechanism 32 moves according to the position information determined by the first image detection mechanism 4 , the second image detection mechanism 8 and the third image detection mechanism 9 , so as to smoothly clamp the lens and attach the lens to the chip.

The first image detection mechanism 4 , the second image detection mechanism 8 and the third image detection mechanism 9 respectively include industrial cameras. For example, a CCD camera or a CMOS camera. The collected optical signal can be converted into an electrical signal by using an industrial camera, and then transmitted to the spatial displacement mechanism 32 through a signal line. The industrial camera data interface can use an Ethernet interface, a USB interface or other signal interfaces.

Further, the first image detection mechanism 4 and the second image detection mechanism 8 can be respectively fixed by the frame 16 . The rack 16 can be fixedly arranged on the support table 17 . The third image detection mechanism 9 can be fixed by a support seat fixed on the support table 17 .

Further, the first image detection mechanism 4 , the second image detection mechanism 8 and the third image detection mechanism 9 can be respectively connected to the three-dimensional adjustment frame. The three-dimensional adjustment frame is fixed on the frame 16 or the support base, which can facilitate the adjustment of the initial position of the image detection mechanism and improve the flexibility and applicability of use. For example, before performing the clamping operation, the distance between the lens and the material tray 5 is adjusted by using a three-dimensional adjustment frame, so that the lens can obtain better image quality. This distance does not need to be adjusted during the gripping operation.

On the basis of the above embodiment, further, the chip is placed on the base 10 . The base 10 is provided with step surfaces corresponding to the plurality of chips one-to-one along the length direction. The chip is vertically arranged at one end of the stepped surface. The base 10 is placed on the second sample stage 11 . The bottom of the second sample stage 11 is provided with a second adjustment mechanism 12 ; the second adjustment mechanism 12 includes a horizontal moving platform and a vertical moving platform along the length direction of the base 10 .

The base 10 is used to fix the chip. The upper surface of the base 10 is stepped, and chips are placed vertically at one end of each stepped surface. When the grabbing mechanism 31 grabs the lens from the tray 5, the bottom surface of the lens faces downward. Because the chip is set vertically, the swinging cylinder 33 is required to drive the grab mechanism 31 and the lens to rotate 90°, so that the bottom surface of the lens is set in a vertical state, which is convenient for attaching to the chip.

The provision of the second adjustment mechanism 12 is convenient for adjusting the initial positions of the base 10 and the chip, so that they are located at a position that is convenient for attaching the lens. And after the bonding of one chip is completed, the next chip can be moved to the bonding station through the second adjustment mechanism 12, so as to facilitate continuous and automatic bonding of multiple chips.

On the basis of the above embodiment, further, the positioning subsystem further includes: a light spot detection mechanism. The light spot detection mechanism includes probes 13 and probes 14 that are oppositely disposed on both sides of the chip. The probe 13 is used to contact the chip to energize the chip to emit light beams. The probe 14 is used to detect the spot formed by the light beam. The probe 14 is electrically connected to the spatial displacement mechanism 32 . The spatial displacement mechanism 32 adjusts the position of the lens according to the state of the light spot.

During the lens bonding process, first, the spatial displacement mechanism 32 moves according to the position information determined by the second image detection mechanism 8 and the third image detection mechanism 9 , so that the lens is gradually moved toward the chip. When the distance between the lens and the chip is relatively close, the movement of the space displacement mechanism 32 is suspended. The position of the lens is precisely and further positioned by the spot detection mechanism. The distance may be a preset distance.

At this point, the lens is relatively close to the chip. The spot detection mechanism judges whether the lens has reached the most suitable coupling position by detecting the light-converging effect of the lens on the chip. The lens is located between the chip and the probe 14 . The probe 13 is energized. When the probe 13 contacts the chip, the chip emits a light beam. The chip is disposed toward the probe 14, and the light beam is received by the probe 14 after passing through the lens to form a light spot.

The preset spot shape of the lens at the coupling position can be set, and the actual spot is compared with the preset spot to continuously fine-tune the position of the lens. Until the actual light spot is consistent with the preset light spot with the same shape and size, it means that the lens has reached the coupling position. At this time, the lens is attached to the chip at the coupling position by the spatial displacement mechanism 32 .

Further, a moving mechanism such as a timing belt group 15 can be arranged between the probe 14 and the base 10 to facilitate adjustment of the distance between the probe 14 and the base 10 and improve flexibility and applicability. The probe 14 can also be connected to a three-dimensional adjustment frame, which is convenient for adjusting the initial position.

On the basis of the above embodiment, further, a lens coupling method, using the lens coupling system in any of the above embodiments, includes: obtaining the position information of the target lens 19 on the tray 5 through the first image detection mechanism 4; Move the grabbing mechanism 31 to the top of the target lens 19, and then grab the target lens 19 by the grabbing mechanism 31; move the grabbing mechanism 31 to drive the target lens 19 to the preset dispensing position; move the grabbing mechanism 31 and the The glue dispensing mechanism 1 contacts and dispenses glue; obtains the position of the target chip 21 on the base 10 through the second image detection mechanism 8 and the third image detection mechanism 9; moves the grab mechanism 31 to drive the target lens 19 to the pre-coupling position; The light spot formed by the light beam emitted by the target chip 21 detected by the detection mechanism, adjust the posture of the target lens 19 until the coupling position; move the grab mechanism 31 to fit the target lens 19 and the target chip 21 together; the curing mechanism 2 pairs the target After the glue on the lens 19 is cured for a preset time, the grabbing mechanism 31 releases the target lens 19 to complete the bonding.

After the glue is dispensed and before the position of the target chip 21 on the base 10 is obtained by the second image detection mechanism 8 and the third image detection mechanism 9, the swing cylinder 33 can drive the collet and the target lens 19 to rotate 90°, so that the The bottom faces the chip.

On the basis of the above-mentioned embodiment, further, picture a in FIG. 13 is the image of the lens and the lens placement groove captured by the first image detection mechanism, and picture b in FIG. 13 is after the calculation processing of the first image detection mechanism The resulting image of the lens and lens placement slot. Obtaining the position of the target lens 19 on the tray 5 by the first image detection mechanism 4 specifically includes: using the first through hole 52 to transmit light, obtaining an image of the side of the target lens 19, and calculating the side of the target lens 19 and the preset reference The angle value between the lines is used to obtain the inclination angle α of the target lens 19; the second through hole 53 is used to transmit light to obtain the image of the end face of the target lens 19, and the position information of the end face of the target lens 19 is obtained, which is calculated according to the length H of the target lens 19. The position information of the other end face of the objective lens 19 is obtained.

Specifically, the preset reference line in this embodiment is the right line of the lens placement groove 51 . Furthermore, the placement image of the lens in the lens placement groove 51 can be obtained according to the position information of the two ends of the lens and the lens inclination α. According to the size of the collet, the center line of the slot 314 on the jaws 313 of the upper collet 311 and the lower collet 312 is made to coincide with the center line of the lens or there is a certain range of offset, and then the final collet can be calculated. Grip position 20. The upper chuck 311 and the lower chuck 312 are collectively referred to as chucks.

Further, as shown in FIG. 14 , the step of adjusting the position of the chuck head to the clamping position 20 by the spatial displacement mechanism 32 includes the following sub-steps:

Move the chuck from the initial position to the top of the lens, and the height difference between the chuck and the lens is a preset height. Specifically, it can be set to 1-3mm.

Use the first image detection mechanism 4 to obtain the position of the collet, and rotate the collet according to the lens inclination angle α, so that the clamping surface of the collet is parallel to the side surface of the lens;

Calculate the distance between the clamping surface of the collet and the side surface of the lens to obtain the translation distance L. Specifically, the component of the translation distance L along the Y axis is L ₁ and the component along the X axis is L ₂ , which can be adjusted by the spatial displacement mechanism 32 and/or the first adjustment mechanism 7 .

Move the collet to the gripping position 20 according to the translation distance L and the preset height.

Specifically, as shown in FIG. 14 , the adjustment process of the collet is divided into four stages: in the initial state, the collet is located at the first position 3131 of the collet, and the clamping surface of the collet is parallel to the position of the lens placement groove 51 at this time. The right line, so the angle between the clamping surface of the collet and the lens is equal to the lens tilt angle α. The collet is rotated by the lens inclination angle α, so that the collet is located at the second position 3132 of the collet, and the clamping surface of the collet is parallel to the side surface of the lens. Then move L ₁ in the Y-axis direction through the spatial displacement mechanism 32 or the first adjustment mechanism 7, so that the chuck is located at the third position 3133 of the chuck, and the center line of the chuck coincides with the center line of the lens. Then, the space displacement mechanism 32 or the first adjustment mechanism 7 is used to move L ₂ in the X-axis direction, so that the chuck is located at the fourth position 3134 of the chuck, and the clamping surface of the chuck is located above the clamping position 20 . Next, the Z-axis slide table 322 is moved downward by a preset height, so that the chuck is located at the gripping position 20 . Finally, the air cylinder is then opened, so that the upper chuck 311 and the lower chuck 312 are brought closer together, and the clamping operation is performed.

Further, after the first image detection mechanism 4 is used to obtain the position of the lens, and before the first image detection mechanism 4 transmits the position information of the lens to the spatial displacement mechanism 32, the following steps are further included: obtaining a preset value of lens position deviation; calculating The deviation value between the lens position and the standard lens position; compare the deviation value and the lens position deviation preset value; if the deviation value is greater than the lens position deviation preset value, the clamping operation will be stopped and a prompt message will be issued. To prompt the staff to reposition the lens; if the deviation value is less than or equal to the preset lens position deviation value, the first image detection mechanism 4 is used to transmit the position information of the lens to the spatial displacement mechanism 32, and the subsequent operation is continued.

It can be seen from the above embodiments that the lens coupling system and method provided by the embodiments of the present invention use a chuck instead of manually to clamp the lens, which reduces the randomness of the clamping process and makes the clamping force more stable. At the same time, the first image detection mechanism 4 replaces the human eye for measurement and judgment, and transmits the position information of the lens to the spatial displacement mechanism 32, and the spatial displacement mechanism 32 adjusts the position of the chuck according to the position of the lens obtained by measurement, The precision of the clamping process is improved, and the contamination of the working surface of the lens is avoided. The spatial displacement mechanism 32 and the first image detection mechanism 4 complement each other, which can realize the automatic and continuous operation of the lens clamping process, improve the efficiency of the clamping process, save manpower and time, and also provide a position reference for the subsequent lens installation. .

According to the light spot formed by the light beam emitted by the target chip 21 detected by the light spot detection mechanism, adjusting the pose of the target lens 19 specifically includes: if it is determined that the light spot is different from the preset light spot in position and/or size, using the grabbing mechanism 31 to adjust the target The position of the lens 19; if it is judged that the light spot and the preset light spot are different in shape, use the grabbing mechanism 31 to adjust the inclination angle of the target lens 19; until the light spot detected by the light spot detection mechanism is the same as the preset light spot, stick the target lens 19. coupled to the target chip 21 .

If the spot obtained by the probe 14 differs from the preset spot in size, position and shape, the tilt angle and position of the target lens 19 can be adjusted simultaneously to make the actual spot and the preset spot the same.

The embodiment of the present utility model provides an adjustment method for the actual light spot and the preset light spot. When the actual light spot and the preset light spot are different in size and position, the position of the target lens 19 needs to be adjusted. When the above is different, the inclination angle of the target lens 19 needs to be adjusted. In the actual use process, the pose of the target lens 19 can be adjusted according to the actual situation of the actual light spot instead of blind adjustment, thereby improving the adjustment efficiency.

The following is further described by combining the specific coupling positioning process.

First, a plurality of chips are mounted in the corresponding chip mounting positions 22 on the base 10 . The number and size of the stepped surfaces of the base 10 are designed according to specific needs.

Then, use the second adjustment mechanism 12 to move the chip to be coupled to the observation area of the second image detection mechanism 8 and the third image detection mechanism 9, and then use the space displacement mechanism 32 to move the chuck holding the lens to the corresponding position. The observation area is large, so that the lens and the chip can be photographed into one picture at the same time. A plurality of lenses can be placed in the tray 5, and the chuck moves to the tray 5 to pick up a lens before each coupling.

Next, use the second image detection mechanism 8 and the third image detection mechanism 9 to simultaneously obtain the relative positions of the lens and the chip to be coupled, and obtain the distance and angle relationship between the lens and the chip through the image processing unit. As shown in FIG. 15 , the angle between the lens and the chip obtained by the second image detection mechanism 8 is β, and the distance between the lens and the chip is L ₃ . As shown in FIG. 16 , the angle between the lens and the chip obtained by the third image detection mechanism 9 is δ, and the distance between the lens and the chip is L ₄ . The second image detection mechanism 8 and the third image detection mechanism 9 transmit the relative position information to the spatial displacement mechanism 32, and the spatial displacement mechanism 32 calculates the to-be-coupled position according to the relative position information (ie, distance and angle).

Next, use the space displacement mechanism 32 to adjust the position of the chuck to the coupling position, and at this time, it is necessary to adjust the lens to be parallel to the chip in the Y direction. The angle of the collet is adjusted by the space displacement mechanism 32, so that the lens is transformed from the first position 1901 of the lens to the second position 1902 of the lens, and the lens is translated at the same time, so that the distance between the lens and the chip in the X-axis direction is the first preset distance, at this time The lens is in lens third position 1903. Then, the angle of the chuck is adjusted by the spatial displacement mechanism 32, so that the lens is transformed from the third position 1903 of the lens to the fourth position 1904 of the lens, and the lens is translated at the same time, so that the distance between the lens and the chip in the Z-axis direction is the second preset distance. When the lens is in the position to be coupled.

Next, the target chip 21 is energized by the probe 13, the target chip 21 emits a light beam, and the pose of the lens is adjusted until the probe 14 detects the light spot formed by the light beam. Adjust the position of the lens to adjust the width, position and shape of the light spot. Then judge whether the spot is qualified, if qualified, go to the next step; if not, skip and re-adjust the position of the lens.

When the light spot is qualified, the chuck clamps the target lens 19 and attaches the target chip 21 together. After the curing mechanism 2 cures the lens and the chip for a certain period of time, the collet releases the lens to complete the lamination of one lens. Then the chuck is moved to the top of the tray 5 again, and the next lens is clamped and attached to the chip.

It can be seen from the above embodiments that the lens coupling system and method provided by the embodiments of the present invention form a laser array by placing a plurality of chips on the base 10, and at the same time, the second adjusting mechanism 12 is used to move the chips to be coupled to In the observation area, the chuck holding the lens is also moved to the observation area by the spatial displacement mechanism 32, and then the relative position of the chip to be coupled and the lens is measured and judged by the positioning subsystem, and the relative position information is transmitted to the space. The displacement mechanism 32, the spatial displacement mechanism 32 adjusts the position of the chuck according to the relative position information obtained by measurement, and then adjusts the coupling area of the lens to the chip to be coupled, and then releases the lens, that is, the lens and the current chip to be coupled are completed. coupling between. Then, in the same way, the other chips to be coupled are sequentially lens-coupled until all the chips are in the coupled state. The lens coupling system cooperates with each other through the spatial displacement mechanism 32, the second adjustment mechanism 12 and the positioning subsystem, and completes the automatic and continuous operation of lens coupling and positioning for multiple chips in sequence, which improves the accuracy and efficiency of the coupling process and saves money. It saves manpower and time, and provides a reference for the mass production of high-power semiconductor lasers.

Further, the lens coupling system also includes a control unit (not shown in the figure), the control unit can be set in the centralized console, the first adjustment mechanism 7 , the second adjustment mechanism 12 , the space displacement mechanism 32 , the first air cylinder 104 , the second air cylinder 105, the air gripper air cylinder 315 and the positioning subsystem are all electrically connected to the console, and the console adopts a centralized control mode to set the current position of the base 10, the material tray 5, the glue needle assembly 101, the chuck, the chip and the lens. The signals are collected in a centralized manner, and then the actual position signal and the preset position signal are compared and analyzed, and the control parameters of each component are calculated and sent to the corresponding mechanism.

Further, the first image detection mechanism 4 can collect the image of the feeding tray 5 in a single manner, determine the positional relationship between the lens on the feeding tray 5 and the first image detection mechanism 4, and then obtain the chuck and the feeding tray 5 according to the initial positional relationship. The positional relationship of the upper lens. The first image detection mechanism 4 can also collect an image when the lens on the collet and the tray 5 are in the same picture, so as to obtain the positional relationship between the collet and the lens on the image.

On the basis of the above embodiment, further, a specific glue dispensing process in a lens coupling system and method is as follows: firstly, the initial position of the glue needle assembly 101 is adjusted by the three-dimensional adjustment frame 18, so that the glue needle assembly 101 can meet the requirements of the lens The location of the glue is required. Then, the position of the glue cup 102 is adjusted by moving the glue cup 102 in the chute 1031 so that the glue cup 102 is located directly under the glue needle.

The second air cylinder 105 drives the glue cup 102 to rise by a predetermined distance, so that the two glue needles of the glue needle assembly 101 are inserted into the glue cup 102 at a predetermined depth of the glue. After staying for a predetermined time, the second air cylinder 105 drives the glue cup 102 to descend , so that the glue cup 102 leaves the glue needle assembly 101 . Then, the first air cylinder 104 drives the glue needle assembly 101 to move to a position convenient for glue application.

It can stay for a preset time to make the glue attached to the bottom of the glue needle form a preset shape. Then the space displacement mechanism 32 drives the collet and the lens to move to a position corresponding to the position of the glue needle assembly 101 , that is, a closer position, which can be a preset position determined according to the initial position of each component. Then, the space displacement mechanism 32 drives the lens to move along a preset path to contact and dispense the glue at the bottom of the glue needle assembly 101, and can move along a rectangular trajectory. When needed, the lens can be rotated through the angular displacement platform to facilitate dispensing on different sides.

The lens coupling system can automatically apply glue to the lens, has a simple structure, is easy to operate, has higher glue dispensing efficiency and better coating uniformity. The lens coupling system and method can automatically carry out the coupling and bonding of the lens and the laser chip, and set up a positioning subsystem. Compared with manual bonding, the bonding efficiency and accuracy can be greatly improved, labor intensity is reduced, and labor costs are saved .

The above are only preferred embodiments of the present invention, and are not intended to limit the present invention. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the within the scope of protection of the present invention.

Claims (14)

1. A lens coupling system, characterized in that it comprises: a grasping mechanism, a spatial displacement mechanism, a glue dispensing mechanism, a curing mechanism and a positioning subsystem; the grasping mechanism is used for grasping the lens in the tray; the The spatial displacement mechanism is connected with the grabbing mechanism, and is used to drive the lens to move to contact the dispensing mechanism for dispensing and move the lens after dispensing to fit the chip; The curing mechanism is arranged above the chip for curing the glue between the lens and the chip; the positioning subsystem includes a first image detection mechanism, and the first image detection mechanism is arranged on the material tray is used to obtain the position information of the lens in the tray. 2. The lens coupling system according to claim 1, wherein the spatial displacement mechanism comprises at least one of an X-axis sliding table and a Y-axis sliding table and a Z-axis sliding table; and an X-axis angular displacement platform, a Y-axis sliding table At least one of the angular displacement stage and the Z-axis angular displacement stage. 3 . The lens coupling system according to claim 1 , wherein a swinging cylinder is arranged between the grabbing mechanism and the spatial displacement mechanism, and the spatial displacement mechanism is connected to the housing of the swinging cylinder, 3 . The output shaft of the swing cylinder is connected with the grabbing mechanism. 4 . The lens coupling system according to claim 3 , further comprising: a limit block and a mounting seat; the limit block is arranged between the swing cylinder and the grasping mechanism, and the limit block One side of the position block is connected to the shell of the swing cylinder, the grabbing mechanism is fixedly connected to the mounting seat, and the mounting seat is connected to the output shaft of the swing cylinder on the other side of the limit block A positioning pin is connected to one side of the mounting seat and the limiting block, and a positioning groove is arranged on the other side of the limiting block, and the positioning pin is inserted into the positioning groove. 5. The lens coupling system according to any one of claims 1 to 4, wherein the grasping mechanism comprises an upper chuck, a lower chuck and a driving mechanism; One end is respectively connected with the drive mechanism, and the other ends of the upper chuck and the lower chuck are respectively connected to the clamping jaws vertically, the clamping jaws are arranged downward, and the clamping jaws of the upper chuck and the lower chuck are respectively connected vertically. The clamping jaws of the collet are arranged oppositely, and the driving mechanism is used to drive the clamping jaws of the upper clamping head and the clamping jaws of the lower clamping head to move toward or away from each other. 6 . The lens coupling system according to claim 1 , wherein the glue dispensing mechanism comprises a glue needle assembly and a glue cup; the glue needle assembly is arranged above the glue cup, and the glue cup opening faces toward the glue cup. 7 . The glue needle assembly is inserted into the glue cup to obtain glue; the glue needle assembly includes two glue needles arranged in parallel, the bottom ends of the two glue needles are in the same horizontal plane, and the distance between the two glue needles is less than The cross-sectional width of the cup barrel of the plastic cup. 7 . The lens coupling system according to claim 6 , wherein the glue dispensing mechanism further comprises: a glue cup holder, a first air cylinder arranged horizontally, and a second air cylinder arranged vertically; the first air cylinder is connected to The glue needle assembly is connected to push the glue needle assembly to move horizontally; the glue cup is arranged on the glue cup seat, the second air cylinder is connected to the glue cup seat, and the second air cylinder is used to push The glue cup moves up and down so that the glue needle assembly is inserted into the glue cup. 8 . The lens coupling system according to claim 7 , wherein a chute is arranged on the plastic cup holder, and the chute is arranged along a horizontal direction perpendicular to the moving direction of the first air cylinder, so The bottom of the plastic cup is slidably connected with the chute. 9. The lens coupling system according to claim 1, wherein the curing mechanism comprises: a plurality of UV lamp heads; the plurality of UV lamp heads have an included angle with each other and the light-emitting ends are set together, and the The light beams intersect at one point; the second end of the UV lamp head away from the light-emitting end is connected to a connecting plate, and the connecting plate is used for fixing the UV lamp head. 10 . The lens coupling system according to claim 9 , wherein the connecting plates connected by a plurality of UV lamp heads are connected together to form a mounting plate, the mounting plate is a bending structure, and the mounting plate faces away from the UV lamp head. 11 . One side of the fins is connected to a heat sink, and a plurality of the heat sinks are arranged at intervals and are parallel to each other. 11 . The lens coupling system according to claim 1 , wherein at least one lens placement slot is provided on the material tray, and a first through hole is opened in the middle of the bottom of the lens placement slot, and the lens placement slot is 11 . The bottom of the groove is provided with a second through hole at at least one end of the lens; A first light source is arranged below the material tray, and the first light source is disposed toward the material tray; the material tray is placed on a first sample stage, and the first sample stage is connected to the first A third through hole is provided at a position corresponding to the hole and the second through hole; a first adjustment mechanism is arranged at the bottom of the first sample stage, and the first adjustment mechanism includes an X-axis and a Y-axis moving platform. 12. The lens coupling system according to claim 1, wherein the positioning subsystem further comprises: a second image detection mechanism and a third image detection mechanism; The upper part is used to collect the image of the chip and the lens from above, the second image detection mechanism is provided with a second light source facing the chip; The images of the chip and the lens are collected, and the other side of the chip is provided with a third light source; the second image detection mechanism and the third image detection mechanism are used for positioning the bonding process of the lens and the chip; the first image detection mechanism, the second image detection mechanism and the third image detection mechanism are respectively electrically connected with the spatial displacement mechanism; The first image detection mechanism, the second image detection mechanism and the third image detection mechanism respectively comprise industrial cameras. 13 . The lens coupling system according to claim 1 , wherein the chip is placed on a base; the base is provided with a step surface corresponding to a plurality of chips one-to-one along the length direction; the chips are vertically arranged. 14 . at one end of the step surface; The base is placed on a second sample stage, and the bottom of the second sample stage is provided with a second adjustment mechanism; the second adjustment mechanism includes a horizontal moving platform and a vertical moving platform along the length direction of the base. 14. The lens coupling system according to claim 1 or 12, wherein the positioning subsystem further comprises: a light spot detection mechanism, the light spot detection mechanism comprises probes and a probe, the probe is used to contact the chip to make the chip energize and emit a light beam; the probe is used to detect the light spot formed by the light beam; the probe is electrically connected with the spatial displacement mechanism, and the spatial displacement The mechanism adjusts the pose of the lens according to the state of the light spot.

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