CN113453532B

CN113453532B - A transmission device for COB automatic assembly

Info

Publication number: CN113453532B
Application number: CN202110859474.1A
Authority: CN
Inventors: 曹葵康; 蔡雄飞; 徐一华; 周明; 谷孝东; 张立光; 范林林
Original assignee: Tztek Technology Co Ltd
Current assignee: Tztek Technology Co Ltd
Priority date: 2021-07-28
Filing date: 2021-07-28
Publication date: 2022-10-28
Anticipated expiration: 2041-07-28
Also published as: CN113453532A

Abstract

The invention provides a transmission device for COB (chip on Board) automatic assembly, which comprises a transmission device body, wherein the transmission device body comprises a first base station, a transmission module and a positioning module, the transmission module is arranged at the edge of the first base station, the transmission module surrounds a plurality of assembly mechanisms for COB automatic assembly, the transmission module is used for transmitting a carrier, a material part is positioned on the carrier, the positioning module is arranged on the transmission module, and the positioning module is used for stopping the carrier on the transmission module so that the assembly mechanisms can assemble the material part on the carrier; the conveying device utilizes the positioning module to stop the carrier on the conveying module, the conveying module is used as a working platform deck, and a separate working platform deck is not required to be arranged for placing the carrier, so that the space utilization rate of the COB automatic assembly equipment is greatly improved; in addition, the carrier is transported from one conveying module to another conveying module by utilizing the transporting module, so that the transmission cost of the transmission device is greatly reduced.

Description

A transmission device for COB automatic assembly

Technical Field

The invention relates to the field of COB automatic assembly, in particular to a conveying device for COB automatic assembly.

Background

COB (Chip On Board) assembly is an assembly process for mounting a Chip On a circuit Board, and a cover is generally fixed On the Chip to protect the Chip after the Chip is assembled On the circuit Board.

The conventional COB assembly method includes feeding of a material, dispensing of the material, detection of the material, blanking of the material, and the like, and each step generally corresponds to one operation station, for example, dispensing, a product to be dispensed is placed on a work carrier, dispensing is performed on the product by using a dispensing mechanism, and after dispensing is completed, a picking module is used for picking the product and transmitting the product to the next station.

Work microscope carrier, transport mechanism etc. occupy great space, reduce the space utilization of equipment, and then increased whole equipment cost.

Disclosure of Invention

In view of this, the present invention provides a transmission device for COB automatic assembly, in which a transmission module can be used as a work carrier, and a separate work carrier is not required, so as to improve the space utilization of the equipment.

In order to solve the technical problems, the invention adopts the following technical scheme:

in one aspect, a transfer apparatus for COB automatic assembly according to an embodiment of the present invention includes a transfer apparatus body including:

a first base station;

the conveying module is arranged at the edge of the first base station, surrounds a plurality of assembling mechanisms for COB automatic assembly, and is used for conveying a carrier on which the material parts are positioned;

the positioning module is arranged on the conveying module and used for stopping the carrier on the conveying module so that the assembling mechanism can assemble the material parts on the carrier.

Preferably, the conveying module comprises a first driving assembly, a guide rail and a conveying belt, the guide rail and the first driving assembly are fixedly mounted on the first base platform, the conveying belt is matched with the guide rail, and the carrier moves along the guide rail direction along with the conveying belt under the driving force of the first driving assembly.

Preferably, the positioning module includes a blocking component and a position component, the blocking component is used for blocking the carrier moving on the conveying module, and after the blocking component blocks the carrier, the position component is embedded into the carrier to position the carrier on the conveying module, and simultaneously the carrier is lifted and separated from the conveying module.

Preferably, the blocking assembly comprises a second base platform, a second driving assembly and a blocking block, the second base platform is fixedly connected with the guide rail, the second base platform is located below the carrier, the second driving assembly is fixedly mounted on the second base platform, and the blocking block reciprocates in the vertical direction under the driving force of the second driving assembly to block or keep away from the carrier.

Preferably, the position assembly includes a third base, a third driving assembly and a limiting assembly, the third base is fixedly mounted on the guide rail, the third driving assembly is mounted on the third base, and the limiting assembly limits the position of the carrier on the guide rail under the driving force of the third driving assembly.

Preferably, the limiting assembly comprises a first limiting piece with an arc structure, and the first limiting piece is connected with the third driving assembly; when the stopping assembly stops the carrier, the central axis of the first limiting piece is higher than a horizontal line where the center of a circle of a limiting hole formed in the carrier is located in the vertical direction, and the first limiting piece is inserted into the limiting hole under the driving force of the third driving assembly so as to position the carrier and lift the carrier for a first distance; the first distance is a vertical drop value of the central axis of the first limiting piece and the circle center of the limiting hole.

Preferably, the limiting assembly further includes a second limiting member, the second limiting member is matched with the limiting groove formed in the carrier, the second limiting member is arranged opposite to the first limiting member, and when the first limiting member is inserted into the limiting hole, the second limiting member is inserted into the limiting groove.

Preferably, the conveying device body further includes a carrying module, the carrying module is fixedly installed between two adjacent conveying modules, and the carrying module is used for carrying the carrier on the conveying module to the conveying module adjacent to the carrying module.

Preferably, the carrying module includes a lifting assembly and a rotating assembly, the rotating assembly is mounted above the lifting assembly, the lifting assembly is used for enabling the carrier to do lifting movement, and the rotating assembly is used for enabling the carrier to move from one conveying module to another conveying module.

Preferably, the rotating assembly includes a fourth driving assembly, a rotating plate and a rotating shaft, one end of the rotating shaft is movably connected to the fourth driving assembly, the other end of the rotating shaft is fixedly connected to the rotating plate, and the rotating plate rotates along with the rotating shaft under the driving force of the fourth driving assembly;

the lifting assembly comprises a fifth driving assembly and a lifting piece, the fifth driving assembly is fixedly connected with the first base station, one end of the lifting piece is movably connected with the fifth driving assembly, the other end of the lifting piece is fixedly connected with the fourth driving assembly, and the rotating assembly moves along the vertical direction along with the lifting piece under the driving force of the fifth driving assembly so as to lift or put down the carrier.

The technical scheme of the invention has at least one of the following beneficial effects:

the conveying device for COB automatic assembly disclosed by the invention utilizes the positioning module to stop the carrier on the conveying module, the conveying module is used as a working platform deck, and an independent working platform deck is not required to be arranged for placing the carrier, so that the space utilization rate of COB automatic assembly equipment is greatly improved; in addition, the carrier is transported from one transport module to another transport module by utilizing the transport module, so that the transmission cost of the transmission device is greatly reduced.

Drawings

FIG. 1 is a schematic structural view of an assembled material part and a circuit board according to an embodiment of the present invention;

FIG. 2 is a schematic structural diagram of a carrier according to an embodiment of the present invention;

fig. 3 is a schematic overall structure view of a conveying apparatus for COB automatic assembly according to an embodiment of the present invention;

FIG. 4 is an enlarged view taken at A in FIG. 3;

FIG. 5 is an enlarged view at C of FIG. 3;

FIG. 6 is an enlarged view at B in FIG. 3;

fig. 7 is a schematic structural diagram of a carrying module in a conveying apparatus for COB automatic assembly according to an embodiment of the present invention.

Reference numerals are as follows:

21. a carrier; 22. a circuit board; 23. material parts; 213. a fixing pin; 211. a limiting hole; 212. a limiting groove; 4. a transmission device body; 40. a first base station; 41. a transmission module; 4111. a first guide rail; 4112. a second guide rail; 412. a first drive assembly; 413. a conveyor belt; 42. a positioning module; 421. a second base station; 422. a blocking block; 423. a third base station; 424. a first limit piece; 425. a second limiting member; 43. a carrying module; 431. a rotating assembly; 4311. a rotating plate; 4312. a sensor; 4313. fixing a bracket; 4314. a rotating shaft; 4315. a fourth drive assembly; 432. a lifting assembly; 4321. a lifting member; 4322. and a fifth drive assembly.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the drawings of the embodiments of the present invention. It should be apparent that the described embodiments are only some of the embodiments of the present invention, and not all of them. All other embodiments, which can be derived by a person skilled in the art from the described embodiments of the invention, are within the scope of the invention.

The embodiment of the invention provides a conveying device for COB automatic assembly, the conveying device utilizes a positioning module 42 to stop and position a carrier 21 in conveying on a conveying module 41, and a plurality of assembling mechanisms for COB automatic assembly perform assembling operation on a material 23 on the conveying module 41, namely, the conveying module 41 is used as a working platform deck, so that a separate working platform deck is not needed, and the space utilization rate of COB automatic assembly equipment is improved.

For convenience of description, as shown in fig. 1, the parts 23 are assembled on the circuit board 22 by using a plurality of assembling mechanisms, and a plurality of parts 23 are generally assembled on a larger circuit board 22 in an array.

As shown in fig. 2, in order to cooperate with the transmission module 41 and the positioning module 42, the circuit board 22 is fixed on the carrier 21, and the carrier 21 is transported between different assembly mechanisms under the action of the transmission module 41. Specifically, the carrier 21 is provided with a fixing pin 213, the fixing pin 213 is matched with a fixing hole on the circuit board 22, and the fixing pin 213 is sleeved in the fixing hole so that the circuit board 22 is fixed on the carrier 21.

First, a transfer apparatus for COB automatic assembly according to an embodiment of the present invention will be described in detail with reference to the accompanying drawings.

Specifically, as shown in fig. 3, the conveying device for COB automatic assembly according to the embodiment of the present invention includes a conveying device body 4, the conveying device body 4 includes a first base 40, a conveying module 41 and a positioning module 42, the conveying module 41 is installed at an edge of the first base 40, the conveying module 41 surrounds a plurality of assembling mechanisms for COB automatic assembly, the conveying module 41 is used for conveying the carrier 21, and the material 23 is located on the carrier 21.

That is, the transmission module 41 is located around a plurality of assembling mechanisms (not shown), namely, mechanisms for assembling the material 23 on the circuit board 22, such as: and a glue dispensing mechanism.

The positioning module 42 is installed on the conveying module 41, and the positioning module 42 is used for stopping the carrier 21 on the conveying module 41, so that a plurality of assembling mechanisms perform assembling operations on the material 23 on the carrier 21, such as: and (6) dispensing operation.

In one embodiment, as shown in fig. 4, the conveying module 41 includes a first driving assembly 412, a guide rail and a conveying belt 413, the guide rail and the first driving assembly 412 are fixedly mounted on the first base 40, the conveying belt 413 matches with the guide rail, and the carrier 21 moves along the guide rail direction along with the conveying belt 413 under the driving force of the first driving assembly 412. The first drive assembly 412 is preferably, but not limited to, an electric motor.

That is, the carrier 21 is driven by the motor to follow the conveyor belt 413 along the guide rail, so that the material 23 is conveyed to a different assembly mechanism and the assembly operation is completed.

Preferably, the guide rails include a first guide rail 4111 and a second guide rail 4112, a space is formed between the first guide rail 4111 and the second guide rail 4112, the first guide rail 4111 and the second guide rail 4112 are respectively matched with a conveying belt 413, and the carrier 21 moves along with the two conveying belts 413 under the driving force of the first driving assembly 412.

In one embodiment, the positioning module 42 includes a stopping component for stopping the carrier 21 moving on the transferring module 41 and a position component embedded in the carrier after the stopping component stops the carrier, so as to position the carrier on the transferring module 42 and make the carrier lift and then separate from the transferring module 41.

Further, as shown in fig. 5, the blocking assembly includes a second base 421, a second driving assembly and a blocking block 422, the second base 421 is fixedly connected to the guide rail, the second base 421 is located below the carrier 21, the second driving assembly is fixedly mounted on the second base 421, and the blocking block 422 reciprocates in the vertical direction under the driving force of the second driving assembly to block or separate from the carrier 21. The second drive assembly is preferably, but not limited to, a pneumatic solenoid valve.

That is, when the carrier 21 needs to be stopped on the transfer module 41, the stopper 422 is moved upward by the driving force of the second driving assembly to stop the carrier 21. Preferably, the second base 421 is fixedly attached between the first rail 4111 and the second rail 4112.

Further, the position assembly comprises a third base 423, a third driving assembly and a limiting assembly, the third base 423 is fixedly installed on the guide rail, the third driving assembly is installed on the third base 423, and the limiting assembly limits the position of the carrier 21 on the guide rail under the driving force of the third driving assembly. The third drive assembly is preferably, but not limited to, a solenoid valve. When the blocking component blocks the carrier, the limiting component is embedded into the carrier 21 under the driving force of the third driving component to position the carrier 21 on the conveying module 41, and simultaneously the carrier 21 is lifted and separated from the conveying module 41, so that the limiting component improves the positioning accuracy of the carrier 21 on the conveying module 41. After the carrier 21 is lifted off the conveying module 41, the limiting component prevents the carrier at the station from influencing the conveying of the carriers at other stations.

In an embodiment, as shown in fig. 2 and 5, the limiting assembly includes a first limiting member 424 with an arc structure, and the first limiting member 424 is connected to the third driving assembly; when the carrier 21 is stopped by the stopping component, the central axis of the first limiting component 424 is higher than the horizontal line of the center of the limiting hole 211 arranged on the carrier 21 in the vertical direction, and the first limiting component 424 is inserted into the limiting hole 211 under the driving force of the third driving component to position the carrier 21 and lift the carrier 21 by a first distance; the first distance is a vertical difference between the central axis of the first position-limiting member 424 and the center of the position-limiting hole 211.

It should be noted that: although the central axis of the first limiting member 424 and the center of the limiting hole 211 are not on the same horizontal line, the first limiting member 424 of the arc structure is easy to slide into the limiting hole 211 under the driving force of the third driving assembly based on the arc structure of the first limiting member 424 and the small difference between the central axis of the first limiting member 424 and the center of the limiting hole 211. The limiting assembly not only improves the positioning precision of the carrier on the conveying module, but also simultaneously realizes that the lifting carrier is separated from the conveying module so as to improve the positioning efficiency of the positioning module.

Further, the limiting assembly further includes a second limiting member 425, the second limiting member 425 is provided with a limiting groove 212 on the matching carrier 21, the second limiting member 425 is arranged opposite to the first limiting member 424, and when the first limiting member 424 is inserted into the limiting hole 211, the second limiting member 425 is inserted into the limiting groove 212. The first limiting member 424 and the second limiting member 425 are positioned from two sides of the carrier 21 at the same time, so as to improve the positioning accuracy and the positioning stability of the carrier 21 on the transferring module 41.

That is, the first limiting member 424 and the second limiting member 425 are inserted into the limiting hole 211 and the limiting groove 212, so as to limit the position of the carrier 21 stopped on the conveying module 41 and simultaneously lift the carrier 21 by the first distance, so that the carrier 21 is separated from the conveying belt 413. The limiting component not only improves the position accuracy of the carrier 21 stopped on the conveying module 41 and further improves the assembly accuracy of the assembly mechanism, but also prevents the carrier 21 from separating from the conveying belt 413 and avoiding influencing the conveying of other carriers 21 by the conveying belt 413.

In one embodiment, the transmission device body 4 includes a plurality of transmission modules 41, and the plurality of transmission modules 41 form a polygonal structure. The plurality of transfer modules 41 may form a quadrilateral as shown in fig. 3, and may also form a pentagon, a hexagon, etc., and the number of sides of the polygon formed by the plurality of transfer modules 41 is set according to the number and layout of the specific assembly mechanisms, which is not limited in the embodiment of the present invention.

Generally, the circular arc guide rail can realize the transmission in two directions, but the manufacturing cost of the circular arc guide rail is high, and the embodiment of the invention uses the carrying module 43 to realize the change of the transmission direction of the carrier 21 so as to reduce the transmission cost of the transmission device.

Specifically, as shown in fig. 6, the conveying device body 4 further includes a carrying module 43, the carrying module 43 is fixedly installed between two adjacent conveying modules 41, and the carrying module 43 is used for carrying the carrier 21 on the conveying module 41 to the adjacent conveying module 41. That is, the conveyance module 43 is used instead of the circular arc guide rail to convey the carrier 21 in both directions.

Further, the carrying module 43 includes a lifting assembly 432 and a rotating assembly 431, the rotating assembly 431 is installed above the lifting assembly 432, the lifting assembly 432 is used for making the carrier 21 perform a lifting motion, and the rotating assembly 431 is used for making the carrier 21 move from one transferring module 41 to another transferring module 41.

That is, the lifting assembly 432 is used for lifting or lowering the carrier 21, and the rotating assembly 431 is used for rotating the lifted carrier 21, so as to move the carrier 21 from one conveying module 41 to the adjacent conveying module 41.

Further, as shown in fig. 7, the rotation assembly 431 includes a fourth driving assembly 4315, a rotation plate 4311 and a rotation shaft 4314, wherein one end of the rotation shaft 4314 is movably connected to the fourth driving assembly 4315, and the other end is fixedly connected to the rotation plate 4311, and the rotation plate 4311 rotates along with the rotation shaft 4314 under the driving force of the fourth driving assembly 4315. The fourth drive assembly 4315 is preferably, but not limited to, a rotary air cylinder.

The lifting assembly 432 includes a fifth driving assembly 4322 and a lifting member 4321, the fifth driving assembly 4322 is fixedly connected to the first base 40, one end of the lifting member 4321 is movably connected to the fifth driving assembly 4322, the other end of the lifting member 4321 is fixedly connected to the fourth driving assembly 4315, and the rotating assembly 431 moves along the vertical direction along with the lifting member 4321 under the driving force of the fifth driving assembly 4322 to lift or lower the carrier 21. The fifth drive assembly 4322 is preferably, but not limited to, a pneumatic cylinder.

That is, when the carrier 21 moves to the end of one of the conveying modules 41, the rotating plate 4311 lifts the carrier 21 up and away from the guide rail under the driving force of the fifth driving module 4322, then the rotating plate 4311 rotates above the other conveying module 41 under the driving force of the fourth driving module 4315, and then the rotating plate 4311 moves downward again under the driving force of the fifth driving module 4322, so that the carrier 21 moves onto the guide rail, and the carrier 21 continues to move along the guide rail under the driving force of the first driving module 412. The rotation angle of the rotation plate 4311 under the driving force of the fourth driving assembly 4315 is the angle of the inner angle of the polygon formed by the plurality of transmission modules 41, such as: quadrilateral, the angle by which the rotating plate 4311 rotates is 90 °.

In one embodiment, as shown in fig. 7, the handling module 43 further comprises a sensor assembly fixedly mounted on the rotating plate 4311, and when the sensor assembly senses the carrier 21, the handling module 43 handles the carrier 21.

Specifically, the sensor assembly includes a sensor 4312 and a fixed bracket 4313, the sensor 4312 is fixedly mounted on the fixed bracket 4313, the fixed bracket 4313 is fixedly mounted on the rotating plate 4311, as shown in fig. 6, the fixed bracket 4313 also functions to block the movement of the carrier 21, that is, when the carrier 21 moves to the end of the guide rail on the conveying module 41, the carrier 21 will contact the fixed bracket 4313, the fixed bracket 4313 blocks the carrier 21 from moving, and the sensor 4312 senses the position of the carrier 21. The sensor 4312 is preferably a touch sensor, but is not limited to a touch sensor.

While the foregoing is directed to the preferred embodiment of the present invention, it will be appreciated by those skilled in the art that various changes and modifications may be made therein without departing from the principles of the invention as set forth in the appended claims.

Claims

1. A conveyor for COB automatic assembly, characterized by comprising a conveyor body (4), the conveyor body (4) comprising:

a first base (40);

a conveying module (41) installed at the edge of the first base (40), wherein the conveying module (41) surrounds a plurality of assembling mechanisms for COB automatic assembly, the conveying module (41) is used for conveying a carrier (21), and a material piece (23) is positioned on the carrier (21);

the positioning module (42) is installed on the conveying module (41), and the positioning module (42) is used for stopping the carrier (21) on the conveying module (41) so that the assembling mechanism performs assembling operation on the material part (23) on the carrier (21);

the conveying module (41) comprises a first driving assembly (412), a guide rail and a conveying belt (413), the guide rail and the first driving assembly (412) are fixedly installed on the first base (40), the conveying belt (413) is matched with the guide rail, and the carrier (21) moves along the guide rail direction along with the conveying belt (413) under the driving force of the first driving assembly (412);

the positioning module (42) comprises a blocking component and a position component, the blocking component is used for blocking the carrier (21) moving on the conveying module (41), and after the blocking component blocks the carrier (21), the position component is embedded into the carrier (21) so as to position the position of the carrier (21) on the conveying module (41) and simultaneously lift the carrier (21) and separate from the conveying module (41);

the position assembly comprises a third base (423), a third driving assembly and a limiting assembly, the third base (423) is fixedly arranged on the guide rail, the third driving assembly is arranged on the third base (423), and the limiting assembly limits the position of the carrier (21) on the guide rail under the driving force of the third driving assembly;

the limiting assembly comprises a first limiting piece (424) with an arc-shaped structure, and the first limiting piece (424) is connected with the third driving assembly; when the carrier (21) is stopped by the stopping component, the central axis of the first limiting part (424) is higher than the horizontal line where the center of a limiting hole (211) formed in the carrier (21) is located in the vertical direction, and the first limiting part (424) is inserted into the limiting hole (211) under the driving force of the third driving component so as to position the carrier (21) and lift the carrier (21) for a first distance; the first distance is a vertical difference value between a central axis of the first limiting piece (424) and a circle center of the limiting hole (211).

2. The conveying apparatus for COB automatic assembly according to claim 1, wherein the blocking assembly includes a second base (421), a second driving assembly and a blocking block (422), the second base (421) is fixedly connected with the guide rail, the second base (421) is located below the carrier (21), the second driving assembly is fixedly installed on the second base (421), and the blocking block (422) reciprocates in a vertical direction under the driving force of the second driving assembly to block or separate from the carrier (21).

3. The conveying apparatus for COB automatic assembly according to claim 1, wherein the limiting assembly further comprises a second limiting member (425), the second limiting member (425) matches a limiting groove (212) provided on the carrier (21), the second limiting member (425) is disposed opposite to the first limiting member (424), and when the first limiting member (424) is inserted into the limiting hole (211), the second limiting member (425) is inserted into the limiting groove (212).

4. The conveyor for COB automated assembly according to claim 1, characterized in that the conveyor body (4) further comprises a handling module (43), the handling module (43) being fixedly mounted between two adjacent conveying modules (41), the handling module (43) being used for handling the carriers (21) on the conveying modules (41) to the conveying modules (41) adjacent thereto.

5. Conveyor for COB automated assembly, according to claim 4, characterised in that the handling module (43) comprises a lifting assembly (432) and a rotating assembly (431), the rotating assembly (431) being mounted above the lifting assembly (432), the lifting assembly (432) being intended to move the carriers (21) up and down, the rotating assembly (431) being intended to move the carriers (21) from one of the transfer modules (41) to the other transfer module (41).

6. The conveyor for COB automatic assembly according to claim 5, wherein the rotation assembly (431) comprises a fourth drive assembly (4315), a rotation plate (4311) and a rotation shaft (4314), the rotation shaft (4314) has one end movably connected to the fourth drive assembly (4315) and the other end fixedly connected to the rotation plate (4311), and the rotation plate (4311) follows the rotation shaft (4314) to perform a rotational movement under the driving force of the fourth drive assembly (4315);

the lifting assembly (432) comprises a fifth driving assembly (4322) and a lifting piece (4321), the fifth driving assembly (4322) is fixedly connected with the first base platform (40), one end of the lifting piece (4321) is movably connected with the fifth driving assembly (4322), the other end of the lifting piece (4321) is fixedly connected with the fourth driving assembly (4315), and the rotating assembly (431) moves along the vertical direction along with the lifting piece (4321) under the driving force of the fifth driving assembly (4322) so as to lift or put down the carrier (21).