CN219811510U

CN219811510U - LED chip transfer equipment

Info

Publication number: CN219811510U
Application number: CN202320942228.7U
Authority: CN
Inventors: 由嘉
Original assignee: Shenzhen Longteng Century Technology Co ltd
Current assignee: Shenzhen Longteng Century Technology Co ltd
Priority date: 2023-04-17
Filing date: 2023-04-17
Publication date: 2023-10-10
Anticipated expiration: 2033-04-17

Abstract

The utility model discloses LED chip transferring equipment, which comprises a base, a rotary driving device and a rotary workpiece disc, wherein the rotary driving device is arranged on the base, and the rotary driving device is in driving connection with the rotary workpiece disc; a grating sensor is arranged in the rotary driving device; the rotary workpiece disc comprises a chassis and a plurality of swing arms, and the swing arms are uniformly distributed on the chassis along the circumferential direction. The LED chip transfer equipment is characterized in that the rotating workpiece disc with the plurality of swing arms is matched with the rotating driving device with the grating sensor, so that the accuracy of the rotating angle of the rotating workpiece disc is ensured, the transfer efficiency of the LED chip is improved, and the preparation efficiency of the LED device is effectively improved.

Description

LED chip transfer equipment

Technical Field

The utility model mainly relates to the technical field of LED device preparation, in particular to LED chip transfer equipment.

Background

In the existing preparation process of the LED device, the LED chips are required to be picked up from the blue film and transferred onto the LED device for die bonding, in order to improve the transfer accuracy of the LED chips, the existing die bonding machine generally adopts single-arm or double-arm LED chip transfer equipment so as to conveniently control the transfer angle of the equipment and reduce errors, but the equipment can only pick up one or two LED chips each time, the transfer efficiency of the LED chips is influenced, and the preparation efficiency of the LED device is influenced.

Disclosure of Invention

The utility model aims to overcome the defects of the prior art, and provides LED chip transfer equipment, which is provided with a plurality of swing arms, and a rotary driving device with a grating sensor is matched with a rotary workpiece disc, so that the accuracy of the rotation angle of the rotary workpiece disc is ensured, the transfer efficiency of an LED chip is improved, and the preparation efficiency of an LED device is effectively improved.

The utility model provides LED chip transferring equipment, which comprises a base, a rotary driving device and a rotary workpiece disc, wherein the rotary driving device is arranged on the base, and the rotary driving device is in driving connection with the rotary workpiece disc;

a grating sensor is arranged in the rotary driving device;

the rotary workpiece disc comprises a chassis and a plurality of swing arms, and the swing arms are uniformly distributed on the chassis along the circumferential direction.

Further, one end of the swing arm is fixed on the chassis, and the other end of the swing arm is provided with a suction nozzle assembly.

Further, a mounting plate is arranged at the top of the base, a lifting motor is arranged at the top of the mounting plate, and an output shaft of the lifting motor extends below the mounting plate;

the suction nozzle assembly comprises a pressing rod and a pneumatic suction nozzle arranged at the lower end of the pressing rod, an output shaft of the lifting motor is connected with a pressing plate, and the pressing plate is positioned above the top end of the pressing rod.

Further, a rotating motor is arranged on the chassis at a position corresponding to the swing arm, and a transmission belt is arranged at the bottom of the swing arm;

the output shaft of the rotating motor is connected with one end of the transmission belt, and the other end of the transmission belt is connected with the suction nozzle component.

Further, the suction nozzle assembly further comprises a connecting sleeve, and the compression bar is sleeved in the connecting sleeve;

a shaft connector is arranged between the connecting sleeve and the pressure rod, and the pressure rod is connected with the connecting sleeve based on the shaft connector.

Further, the pneumatic suction nozzle is sleeved at the lower end of the pressure rod, and a spring is arranged between the pneumatic suction nozzle and the pressure rod.

Further, a sensing mechanism is arranged at the bottom of the mounting plate and comprises an inductive switch and an inductive baffle plate;

the mounting plate bottom is provided with the installing support, inductive switch sets up on the installing support, inductive baffle sets up on the press board.

Further, the induction baffle is an L-shaped baffle, one end of the L-shaped baffle is arranged on the pressing plate, and the other end of the L-shaped baffle is positioned above the induction switch.

Further, the motion track of the induction baffle plate passes through the induction area of the induction switch.

Further, a visual detection assembly is arranged on the mounting plate, and the visual detection assembly comprises a detection camera;

the top of mounting panel is provided with the support frame, the detection camera is fixed on the support frame.

The utility model provides LED chip transfer equipment, which is characterized in that a rotary workpiece disc with a plurality of swing arms is arranged and is matched with a rotary driving device with a grating sensor, so that the accuracy of the rotation angle of the rotary workpiece disc is ensured, the transfer efficiency of an LED chip is improved, and the preparation efficiency of an LED device is effectively improved.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings which are required in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of an LED chip transferring apparatus according to an embodiment of the present utility model;

FIG. 2 is a bottom view of a rotary workpiece tray structure in accordance with an embodiment of the utility model;

FIG. 3 is a schematic view of the bottom structure of a first swing arm according to an embodiment of the present utility model;

FIG. 4 is a schematic view of a suction nozzle assembly according to an embodiment of the present utility model;

fig. 5 is a schematic view of a pressing plate structure according to an embodiment of the utility model.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Fig. 1 shows a schematic structural diagram of an LED chip transferring apparatus in an embodiment of the present utility model, where the LED chip transferring apparatus includes a base 1, a rotation driving device 2 and a rotating workpiece disc 3, where the rotation driving device 2 is disposed on the base 1, a mounting plate 11 is disposed at the top of the base 1, one end of the mounting plate 11 is fixed at the top of the base 1, the other end of the mounting plate 11 extends outside the base 1, the other end of the mounting plate 11 is provided with a mounting opening, the rotation driving device 2 is disposed above the mounting opening, an output shaft of the rotation driving device 2 extends below the mounting plate 11 through the mounting opening, the rotating workpiece disc 3 is connected to the output shaft of the rotation driving device 2, and the lifting driving device can drive the rotating workpiece disc 3 to rotate in an XZ plane.

Further, the rotary driving device 2 may be a rotary driving motor, in which a grating sensor is disposed, so that a rotation angle of the rotary driving motor can be accurately recorded, so that the rotary driving motor can drive the rotary workpiece disc 3 to rotate according to a preset angle, and thereby index-control rotation is performed on the rotary workpiece disc 3.

Furthermore, the grating sensor is a sensor for measuring displacement by the grating stacking stripe principle, and has the characteristics of high sensitivity, high measurement accuracy and the like.

Furthermore, the rotation driving device 2 may be a rotation cylinder, and the rotation driving device 2 is driven to rotate by connecting an external air source, so as to drive the rotation workpiece disc 3 to rotate.

Specifically, fig. 2 shows a bottom view of a structure of a rotary workpiece disc 3 in the embodiment of the present utility model, where the rotary workpiece disc 3 includes a chassis 31 and a plurality of swing arms, an output shaft of the rotary driving device 2 is connected to the chassis 31, and referring to fig. 2, in this embodiment, the rotary workpiece disc 3 includes a first swing arm 32, a second swing arm 33, a third swing arm 34, a fourth swing arm 35, a fifth swing arm 36, and a sixth swing arm 37, and the first swing arm 32, the second swing arm 33, the third swing arm 34, the fourth swing arm 35, the fifth swing arm 36, and the sixth swing arm 37 are uniformly arranged on the chassis 31 along a circumferential direction, and by setting the plurality of swing arms, the rotary workpiece disc 3 can pick up a plurality of LED chips at the same time, thereby effectively improving LED chip transfer efficiency of the LED chip transfer apparatus, and improving preparation efficiency of LED devices.

Further, six working stations are provided on the LED chip transferring apparatus, and the first swing arm 32, the second swing arm 33, the third swing arm 34, the fourth swing arm 35, the fifth swing arm 36 and the sixth swing arm 37 are correspondingly provided on the six working stations, and the rotation driving device 2 may drive the chassis 31 to rotate, so as to drive the first swing arm 32, the second swing arm 33, the third swing arm 34, the fourth swing arm 35, the fifth swing arm 36 and the sixth swing arm 37 to move on the six working stations.

Specifically, one end of the first swing arm 32 is fixed on the chassis 31, the other end of the first swing arm 32 extends outside the chassis 31, a suction nozzle assembly 38 is arranged at the other end of the first swing arm 32, a rotating motor 322 is arranged at a connecting position of the chassis 31 corresponding to the first swing arm 32, a driving belt is arranged at the bottom of the first swing arm 32, one end of the driving belt is sleeved on the suction nozzle assembly 38, the other end of the driving belt is sleeved on an output shaft of the rotating motor 322, and the rotating motor 322 can drive the suction nozzle assembly 38 to rotate based on the driving belt.

Specifically, fig. 3 shows a schematic bottom structure of the first swing arm 32 in the embodiment of the present utility model, where the first swing arm 32 is fixed at the bottom of the chassis 31, a motor mount seat is provided on the chassis 31, the rotating motor 322 is fixed on the motor mount seat, a matching through hole is provided on the motor mount seat, and an output shaft of the rotating motor 322 extends below the chassis 31 through the matching through hole and is connected with a driving belt in the first swing arm 32, and by fixing the motor at the top of the chassis 31 and setting the first swing arm 32 at the bottom of the chassis 31, the space structure arrangement rationality of the rotating workpiece disc 3 can be improved, and the appearance ornamental value of the rotating workpiece disc 3 is improved.

Specifically, fig. 4 shows a schematic structural diagram of a suction nozzle assembly 38 according to an embodiment of the present utility model, where the suction nozzle assembly 38 includes a connection sleeve 382, a compression rod 383, and a pneumatic suction nozzle 381, the compression rod 383 is sleeved inside the connection sleeve 382, the pneumatic suction nozzle 381 is disposed at a lower end of the compression rod 383, and the compression rod 383 and the sleeve 382 can slide relatively.

Specifically, the top end of the compression rod 383 extends to the top of the connection sleeve 382, a compression rod mating member 384 is disposed on the top end of the compression rod 383, the compression rod mating member 384 is fixed to the top end of the compression rod 383 based on a bolt connection, and a press fit mating surface is disposed on the top of the compression rod mating member 384.

Further, the driving belt is sleeved on the middle portion of the connecting sleeve 382, and a shaft connector is disposed between the connecting sleeve 382 and the compression rod 383, that is, the compression rod 383 is connected with the connecting sleeve 382 based on the shaft connector, so that the connecting sleeve 382 can drive the compression rod 383 to rotate when rotating.

Further, the pneumatic suction nozzle 381 is sleeved on the lower end of the compression rod 383, and the pneumatic suction nozzle 381 can be locked on the compression rod 383 based on a threaded locking sleeve.

Further, the second swing arm 33, the third swing arm 34, the fourth swing arm 35, the fifth swing arm 36 and the sixth swing arm 37 have the same structural features and functional effects as those of the first swing arm 32, and specific reference may be made to the structural features and functional effects of the first swing arm 32, which are not described in detail herein.

Specifically, the six working stations include a feeding station and a discharging station, the positions of the feeding station and the discharging station are correspondingly located on two swing arms with the same diameter on the rotary workpiece disc 3, namely, the distance between the feeding station and the discharging station is 180 degrees, the feeding station and the discharging station are respectively provided with a pressing component 12 and a visual detection component 13, the visual detection components 13 are used for detecting the station positions of the suction nozzle components 38, and the pressing components 12 are used for driving the suction nozzle components 38 to be pressed down for picking and placing.

Specifically, fig. 5 shows a schematic structural diagram of a pressing plate 141 in the embodiment of the present utility model, the pressing assembly 12 includes a lifting motor and a pressing plate 141, the pressing assembly 12 is disposed on the mounting plate 11, a motor matching hole is disposed on the mounting plate 11, an output shaft of the lifting motor extends below the mounting plate 11 through the motor matching hole, the pressing plate 141 is disposed on an output shaft of the lifting motor, and the lifting motor can drive the pressing plate 141 to move up and down along the Y axis. When any one of the first swing arm 32, the second swing arm 33, the third swing arm 34, the fourth swing arm 35, the fifth swing arm 36 and the sixth swing arm 37 rotates to the feeding station or the discharging station, the press fit surface of the press lever fitting 384 on the swing arm is located below the pressing plate 141, and when the lifting motor drives the pressing plate 141 to press down, the press lever fitting 384 can be pushed to descend and drive the press lever 383 to move downward.

Specifically, the mounting plate 11 bottom corresponds all is provided with sensing mechanism on the position of material loading station and unloading station, sensing mechanism includes inductive switch 143 and inductive baffle 142, the mounting plate 11 bottom is provided with the installing support, inductive switch 143 sets up on the installing support, inductive baffle 142 sets up on the push down board 141, inductive baffle 142 can follow push down board 141 along the Y axle reciprocates, just inductive baffle 142's removal orbit passes through inductive switch 143's response region.

Further, the sensing baffle 142 is an L-shaped baffle, one end of the L-shaped baffle is disposed on the pressing plate 141, the other end of the L-shaped baffle is located above the sensing switch 143, when the sensing baffle 142 descends along with the pressing plate 141, the sensing recognition area of the sensing switch 143 is triggered by the falling of the sensing baffle 142, and the lifting motor stops driving.

Further, by setting the sensing mechanism to limit the distance that the lifting motor drives the pressing plate 141 to press down, the pressing rod 383 is prevented from excessively pressing the LED chip to damage the LED chip.

Specifically, a spring is disposed between the pneumatic suction nozzle 381 and the compression rod 383, the pneumatic suction nozzle 381 is pressed by the compression rod 383 to descend to contact with and adsorb the LED chip on the tray film, and the spring is used for buffering the pressure when the pneumatic suction nozzle 381 contacts with the LED chip, so that the extrusion force applied to the LED chip is reduced, and the risk of damage to the LED chip when the LED chip is pressed by the pneumatic suction nozzle 381 is reduced.

Further, a return spring is disposed between the press lever matching piece 384 and the first swing arm 32, and when the lifting motor drives the pressing plate 141 to lift, the suction nozzle assembly 38 can be reset based on the return spring.

Further, the pneumatic suction nozzle 381 is sleeved on the compression rod 383, and by adjusting the connection tightness of the threaded locking sleeve, the friction force between the pneumatic suction nozzle 381 and the compression rod 383 is large enough, and the spring overcomes the friction force when rebounding to drive the compression rod 383 to ascend and reset.

Specifically, the visual inspection assembly 13 includes a detection camera, a support frame 14 is disposed at the top of the mounting board 11, a portion of the support frame 14 extends outside the mounting board 11, the detection camera is fixed at a portion of the support frame 14 extending outside the mounting board 11, that is, the detection camera is disposed outside the mounting board 11, and the shooting direction of the detection camera faces to the position of the pneumatic suction nozzle 381 of the swing arm, and the LED chip transferring device can obtain the position state of the suction nozzle assembly 38 through the detection camera and work by driving the pressing assembly 12 according to the position state.

Specifically, the six working stations further comprise a visual detection station, the visual detection station is arranged on the next working station of the feeding station, namely, the rotary workpiece disc 3 is arranged on the next working station of the feeding station to absorb and obtain the LED chips, the LED chips are transferred onto the visual detection station through rotation, the visual detection station is used for detecting and analyzing the states of the LED chips through visual detection components, and the rotary motor 322 on the swing arm is used for driving the LED chips to rotate, so that the states of the LED chips are adjusted to meet the discharging requirement.

Furthermore, according to different requirements of preparation of different LED devices, the state positions of the LED chips need to be adjusted, so that the LED chips meet the preparation requirements of the LED devices.

The embodiment of the utility model provides LED chip transferring equipment, which ensures the accuracy of the rotation angle of a rotating workpiece disc 3 by arranging a plurality of rotating workpiece discs 3 with grating sensors and matching the rotating driving device 2 with the rotating workpiece disc, and simultaneously improves the transferring efficiency of LED chips and the preparation efficiency of LED devices.

In addition, the above description of an LED chip transferring apparatus according to the embodiment of the present utility model has been provided in detail, and specific examples should be adopted herein to illustrate the principles and embodiments of the present utility model, where the above description of the embodiment is only for helping to understand the method and core idea of the present utility model; meanwhile, as those skilled in the art will have variations in the specific embodiments and application scope in accordance with the ideas of the present utility model, the present description should not be construed as limiting the present utility model in view of the above.

Claims

1. The LED chip transferring device is characterized by comprising a base, a rotary driving device and a rotary workpiece disc, wherein the rotary driving device is arranged on the base, and the rotary driving device is in driving connection with the rotary workpiece disc;

a grating sensor is arranged in the rotary driving device;

2. The LED chip transfer apparatus of claim 1, wherein one end of the swing arm is fixed to the chassis, and the other end of the swing arm is provided with a suction nozzle assembly.

3. The LED chip transfer apparatus of claim 2 wherein a mounting plate is provided on top of the base, a lift motor is provided on top of the mounting plate, and an output shaft of the lift motor extends below the mounting plate;

4. The LED chip transferring apparatus of claim 2, wherein a rotating motor is provided on the chassis at a position corresponding to the swing arm, and a driving belt is provided at the bottom of the swing arm;

5. The LED chip transfer apparatus of claim 3 wherein the suction nozzle assembly further comprises a connection sleeve, the compression bar being sleeved in the connection sleeve;

6. The LED chip transfer apparatus of claim 5, wherein the pneumatic suction nozzle is sleeved at the lower end of the pressing rod, and a spring is disposed between the pneumatic suction nozzle and the pressing rod.

7. The LED chip transfer apparatus of claim 3 wherein a sensing mechanism is provided at the bottom of the mounting plate, the sensing mechanism comprising an inductive switch and an inductive baffle;

8. The LED chip transfer apparatus of claim 7, wherein the sensing barrier is an L-shaped barrier, one end of the L-shaped barrier is disposed on the pressing plate, and the other end of the L-shaped barrier is located above the sensing switch.

9. The LED chip transfer apparatus of claim 7 wherein the locus of motion of the sensing baffle passes through a sensing region of the sensing switch.

10. The LED chip transfer apparatus of claim 3 wherein a visual inspection assembly is provided on the mounting board, the visual inspection assembly including an inspection camera;