CN110958834A

CN110958834A - High-efficient automatic chip mounter of double-end

Info

Publication number: CN110958834A
Application number: CN201911342611.3A
Authority: CN
Inventors: 余耀国; 杨建军
Original assignee: Shenzhen Eton Automation Equipment Co ltd
Current assignee: Shenzhen Eton Automation Equipment Co ltd
Priority date: 2019-12-23
Filing date: 2019-12-23
Publication date: 2020-04-03

Abstract

The invention discloses a double-head efficient automatic chip mounter which comprises a supporting and conveying seat for supporting, a plate conveying device for conveying a lamp plate, a feeding feeder for feeding, a mounting head for mounting and a linear driving beam for supporting the mounting head. The mounting head is equipped with two, and two crossing mounting heads reverse motion respectively on the supporting beam, the feeding flies to be equipped with two sets ofly, and two sets of feeding flies to reach and corresponds the setting with the mounting head respectively. The linear motor arranged on the supporting beam is used for driving the two mounting heads simultaneously, the driving process is stable and efficient, the driving sliding block and the sliding rail are arranged in a magnetic suspension mode, contact is avoided, and mounting deviation caused by abrasion of the sliding rail is avoided. The cross mounting heads enable the space between the mounting nozzles to be reduced, and mounting density is greatly improved in the same space. Meanwhile, the mounting efficiency is improved, the production cost is saved, and the production efficiency of products is improved.

Description

High-efficient automatic chip mounter of double-end

Technical Field

The invention relates to an LED chip mounter, in particular to a double-head efficient automatic chip mounter.

Background

The full-automatic chip mounter is used for realizing full-automatic component mounting at high speed and high precision, and is the most critical and complex equipment in the whole SMT production. A chip mounter for LED paster utilizes the subsides dress head with LED lamp piece subsides on integrated LED lamp plate, and current LED chip mounter generally adopts single subsides dress head to paste the dress, and efficiency is not high during the dress, has consequently appeared the chip mounter that two subsides dress heads pasted the dress simultaneously in turn, nevertheless because the general application of present society to the LED lamp, the demand of the integrated paster of LED is more and more big, and ordinary subsides dress head has not satisfied the production demand. And when the mounting head carries out fast and efficient mounting, the mobile equipment needs to operate efficiently, and the mobile equipment operating efficiently is prone to wear, poor precision and the like.

Disclosure of Invention

In order to overcome the defects of the prior art, the invention provides a double-head efficient automatic chip mounter which drives a double-efficient mounting head by using a stable linear motor.

The technical scheme adopted by the invention for solving the technical problems is as follows: a double-head efficient automatic chip mounter comprises a supporting and conveying seat for supporting, a board conveying device for conveying a lamp board, a feeding feeder for feeding, a mounting head for mounting and a linear driving beam for supporting the mounting head;

send board device fixed mounting to support the middle part of carrying seat Y axle direction, the linear drive crossbeam strides to send board device level to set up at the X axle direction middle part of supporting the transport seat, and is supporting the setting of carrying seat Y axle direction slip, the subsides head is equipped with two, and two subsides heads reverse motion on the supporting beam respectively, the feeding flies to reach and is equipped with two sets ofly, and two sets of feeding flies to reach and is located the below of two first initial position of subsides respectively, corresponds the setting with the subsides head.

As an improvement of the technical scheme, a supporting table is arranged on the supporting and conveying seat, the linear driving beam is connected with the supporting table in a sliding mode through a Y-axis sliding rail arranged on the supporting table, and the Y-axis sliding rail comprises a center sliding rail and side sliding rails.

As a further improvement of the technical scheme, the linear driving beam comprises a supporting beam and a linear motor positioned on the supporting beam, the supporting beam is installed on the supporting and conveying seat, the mounting head is fixed on a sliding block of the linear motor, and the linear motor is used for realizing the movement in the X-axis direction.

As a further improvement of the technical scheme, the mounting head comprises a driving device, an upper Z shaft part of the machine head and a lower Z shaft part of the machine head, and the two driving devices are respectively used for driving the upper Z shaft part of the machine head and the lower Z shaft part of the machine head.

As a further improvement of the above technical solution, the driving device includes a horizontal driving portion and a vertical driving portion, the horizontal driving portion and the vertical driving portion are used for driving the Z-axis portion on the handpiece and the Z-axis portion under the handpiece to move in the Z-axis direction and rotate in the X-axis direction, and the vertical driving portion drives the Z-axis portion under the handpiece to move in the Z-axis direction first and then drives the Z-axis portion on the handpiece to move in the Z-axis direction.

As a further improvement of the above technical solution, the Z-axis part on the handpiece and the Z-axis part under the handpiece have the same structure and are both provided with a plurality of suction nozzle groups, the suction nozzle groups on the Z-axis part on the handpiece and the Z-axis part under the handpiece are arranged at equal intervals, the connecting block on the Z-axis part on the handpiece is positioned above the suction rod, the connecting block on the Z-axis part under the handpiece is positioned below the suction rod, and the suction nozzle groups on the Z-axis part on the handpiece and the Z-axis part under the handpiece are arranged in a crossed manner on the same horizontal line.

As a further improvement of the above technical solution, the plate feeding device includes a supporting table, a conveying belt, and a driving device for driving the conveying belt, the supporting table is located on the supporting table, and the driving device includes a driving motor and a screw rod for converting the linear motion of the driving motor into the linear motion of the conveying belt.

As a further improvement of the technical scheme, the plate feeding device is further provided with a plate feeding length detection device, the plate feeding length detection device comprises an encoder, a roller and a mounting bracket, and the roller is rotatably connected to the mounting bracket through a rotating shaft.

As a further improvement of the above technical scheme, the feeding feeder is provided with a feeder body, a support mounting seat and feeder mounting blocks, the feeder body and the feeder mounting blocks are symmetrically arranged on two sides of the support mounting seat, the feeder body is provided with a plurality of feeder mounting blocks, each feeder body is provided with a feeder mounting block at the joint with the support mounting seat, and the feeder body is fixed on the support mounting seat through the feeder mounting blocks.

As a further improvement of the above technical solution, the side of the support mounting seat is further provided with an auxiliary feeding rod, the auxiliary feeding rod comprises an extending portion and a sliding portion, the extending portion is fixed on the side of the support mounting seat and extends from the middle to the edge of the support mounting seat, the end of the sliding portion is vertically fixed on the end of the extending portion, and a support is formed outside the flight reach body.

The invention has the beneficial effects that: the chip mounter simultaneously drives the two mounting heads by using the linear motor arranged on the supporting beam, the driving process is stable and efficient, the driving slide block and the slide rail are arranged in a magnetic suspension manner and are not in contact, and the mounting deviation caused by the abrasion of the slide rail is avoided. The cross mounting heads enable the space between the mounting nozzles to be reduced, and mounting density is greatly improved in the same space. Meanwhile, the mounting efficiency is improved, the production cost is saved, and the production efficiency of products is improved.

Drawings

The invention is further illustrated with reference to the following figures and examples.

FIG. 1 is a front isometric view of the mounting structure of the present invention;

FIG. 2 is a rear isometric view of the mounting structure of the present invention;

FIG. 3 is a schematic view of a dual head assembly configuration of the present invention;

FIG. 4 is a schematic view of a cross head assembly of the present invention;

FIG. 5 is a schematic view of the back side of the linear drive beam of the present invention;

FIG. 6 is a schematic view of the feed portion of the present invention;

FIG. 7 is a schematic view of the driving portion of the plate feeding mechanism of the present invention;

FIG. 8 is a schematic view of the conveyor belt structure of the plate conveying mechanism of the present invention;

FIG. 9 is a schematic structural diagram of the plate feeding length detecting device of the present invention.

1. A supporting and conveying seat; 11. a support table; 12. a central slide rail; 13. side slide rails;

2. a plate conveying device; 21. supporting the table top; 22. a conveyor belt; 23. a lead screw;

3. a board feeding length detection device; 31. an encoder; 32. a roller; 33. mounting a bracket;

4. a mounting head; 41. a lateral driving section; 42. a vertical driving portion; 43. a Z shaft part on the machine head; 44. a Z-axis part below the machine head;

5. linearly driving the beam; 51. a support beam; 52. a linear motor;

6. feeding and feeding a Feda; 61. a Feida body; 62. a support mounting seat; 63. a flight arrival mounting block; 64. an auxiliary feed rod.

Detailed Description

The conception, the specific structure, and the technical effects produced by the present invention will be clearly and completely described below in conjunction with the embodiments and the accompanying drawings to fully understand the objects, the features, and the effects of the present invention. It is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and those skilled in the art can obtain other embodiments without inventive effort based on the embodiments of the present invention, and all embodiments are within the protection scope of the present invention. In addition, all the connection/connection relations referred to in the patent do not mean that the components are directly connected, but mean that a better connection structure can be formed by adding or reducing connection auxiliary components according to specific implementation conditions. All technical characteristics in the invention can be interactively combined on the premise of not conflicting with each other.

Referring to fig. 1 and 2, a double-head efficient automatic chip mounter includes a supporting and conveying seat 1 for supporting, a board feeding device 2 for conveying a lamp board, a feeding flying device 6 for feeding, a mounting head 4 for mounting, and a linear driving beam 5 for supporting the mounting head 4;

the plate conveying device 2 is fixedly arranged in the middle of the supporting and conveying seat 1Y-axis direction, the linear driving beam 5 strides over the plate conveying device 2 and is horizontally arranged in the middle of the supporting and conveying seat 1X-axis direction, the linear driving beam is arranged in the supporting and conveying seat 1Y-axis direction in a sliding mode, and the linear driving beam 5 and the plate conveying device 2 are arranged in the middle of the supporting and conveying seat 1 in a cross-shaped vertical crossing mode. The mounting heads 4 are two, the two mounting heads 4 move reversely on the supporting beam 51 respectively, the feeding flying heads 6 are two groups, and the two groups of feeding flying heads 6 are located below the initial positions of the two mounting heads 4 respectively and are arranged corresponding to the mounting heads 4.

During operation, put into the feeding with the LED material area and fly to reach 6 in, the feeding flies to reach 6 and sends the material area into and pastes dress head 4 below, and the dress head 4 that is located 5 one sides of linear drive crossbeam absorbs the lamp pearl in the material area. After the absorption is completed, the linear driving beam 5 drives the mounting head 4 to move towards the middle of the beam in the X-axis direction supporting the conveying seat 1, meanwhile, the plate conveying device 2 positioned at the middle of the linear driving beam 5 drives the LED lamp plate used for mounting to move in the Y-axis direction supporting the conveying seat 1, and the mounting head 4 starts to mount the lamp plate when moving to the position above the plate conveying device 2. Paste dress head 4 that the in-process lies in 5 opposite sides of linear drive crossbeam and begin to absorb the paster, absorb and accomplish the X axle direction of back linear drive crossbeam 5 drive this side of dress head 4 and move to the crossbeam middle part in supporting transport seat 1, simultaneously, paste dress head 4 that the dress was accomplished and return and fly to the position of material loading, send the Y axle direction removal of board device 2 drive LED lamp plate that is used for pasting dress to support transport seat 1, when this side of dress head 4 moves to the position that corresponds with sending board device 2, paste dress once more. The double mounting heads 4 carry out mounting in turn, so that the mounting time is greatly saved, and the mounting efficiency is improved.

Referring to fig. 3 and 4, the head 4 includes two driving devices for driving the upper head Z-axis portion 43 and the lower head Z-axis portion 44, respectively, an upper head Z-axis portion 43 and a lower head Z-axis portion 44. The driving device comprises a transverse driving part 41 and a vertical driving part 42, the transverse driving part 41 and the vertical driving part 42 are used for driving the Z-axis part 43 on the handpiece and the Z-axis part 44 under the handpiece to move in the Z-axis direction and rotate in the X-axis direction, and the vertical driving part 42 firstly drives the Z-axis part 44 under the handpiece to move in the Z-axis direction and then drives the Z-axis part 43 on the handpiece to move in the Z-axis direction. The structure of the Z-axis part 43 on the machine head is the same as that of the Z-axis part 44 under the machine head, a plurality of suction nozzle groups are arranged on the Z-axis part 43 on the machine head and the suction nozzle groups of the Z-axis part 44 under the machine head, the suction nozzle groups of the Z-axis part 43 on the machine head and the suction nozzle groups of the Z-axis part 44 under the machine head are arranged at equal intervals, the connecting block of the Z-axis part 43 on the machine head is positioned above the suction rod, the connecting block of the Z-axis part 44 under the machine head is positioned below the suction rod.

The vertical driving part 42 drives the lower Z shaft part 44 of the handpiece to move in the Z shaft direction, when the lower Z shaft part 44 of the handpiece moves to a patch feeding position, the motion stops, the suction nozzle starts to suck the patch, the vertical driving part 42 drives the lower Z shaft part 44 of the handpiece to move and reset to the upper Z shaft direction, after the reset is completed, the vertical driving part 42 drives the upper Z shaft part 43 of the handpiece to move in the Z shaft direction, and the upper Z shaft part 43 of the handpiece performs reset after sucking the patch and is arranged in parallel with the lower Z shaft part 44 of the handpiece in a crossed mode. The Z-axis part 43 on the machine head and the Z-axis part 44 under the machine head which are respectively used for the paster suction process can realize that the movement processes can not be interfered and influenced under the condition of reducing the distance between the suction heads, and the pasting efficiency of the pasting head 4 is stably improved. Two transverse driving parts 41 are respectively arranged corresponding to the two machine head beams, and the two transverse driving parts 41 respectively drive the integral rotation of the upper Z-axis part 43 of the machine head and the lower Z-axis part 44 of the machine head.

Referring to fig. 5 and 6, a supporting table 11 is arranged on the supporting and conveying seat 1, the linear driving beam 5 is connected with the supporting table 11 in a sliding mode through a Y-axis slide rail arranged on the supporting table 11, the Y-axis slide rail comprises a central slide rail 12 and side slide rails 13, and the positions of the two slide rails corresponding to the mounting heads 4 at different positions for absorbing the patches and mounting the patches are used for supporting the supporting beam 51 in a sliding mode, so that the supporting beam 51 can still keep balanced and stable when stressed unevenly, the supporting effect is improved, and the mounting precision is guaranteed. The linear driving beam 5 comprises a supporting beam 51 and a linear motor 52 positioned on the supporting beam 51, the supporting beam 51 is installed on the supporting and conveying seat 1, the mounting head 4 is fixed on a sliding block of the linear motor 52, and the movement in the X-axis direction is realized through the linear motor 52. The linear motor 52 is adopted to drive the mounting head 4, so that the driving structure is simplified, the production cost is saved, the abrasion caused by the contact of a linear slide rail and a slide block is avoided, and the movement precision and the mounting speed of the mounting head 4 during mounting are increased. The two mounting heads 4 move on the linear motor 52 at the same time, so that the mounting efficiency and the mounting precision of the chip mounter are greatly improved while the structure of the chip mounter is simple.

Referring to fig. 1 and 6, the feeding feeder 6 comprises a feeder body 61, a support mounting seat 62 and a feeder mounting block 63, wherein the feeder body 61 and the feeder mounting block 63 are symmetrically arranged on two sides of the support mounting seat 62, and the support mounting seat 62 integrally supports the two feeder bodies. The feeder body 61 is provided with a plurality of feeder bodies, a feeder mounting block 63 is arranged at the joint of each feeder body 61 and the support mounting seat 62, and the feeder body 61 is fixed on the support mounting seat 62 through the feeder mounting block 63. The flying installation block 63 is used for independently installing each flying body 61, flexible adjustment of each flying body 61 on the supporting installation seat 62 is achieved, independent installation guarantees that the flying body 61 adjusts the stability of the fixed flying body 61 and the stability of the fixed flying body 61 is achieved, independent adjustment of each flying body 61 does not affect the stability of other flying bodies 61, and the mounting precision of the chip mounter is guaranteed.

The side that supports mount pad 62 still is equipped with supplementary feed rod 64, supplementary feed rod 64 contains extension and sliding part, extends to the edge from the middle part of supporting seat, and the fixed part that extends from the side has staggered the mounted position who flies to reach, can not influence the working process that flies to reach body 61. The extension part is fixed on the side of the support mounting seat 62 and extends from the middle part to the edge of the support mounting seat 62, the end part of the sliding part is vertically fixed on the end part of the extension part, and a support is formed on the outer side of the flight reach body 61. When flying to reach body 61 and carrying out the during operation, the banding material area hangs down from flying the pan feeding mouth that reaches, the material area that directly hangs down forms the rupture easily, make to fly to reach body 61 and form the card pause when the feeding, consequently the corresponding supplementary feed rod 64 that sets up in pan feeding mouth rear that flies to reach carries out the slip support to the material area when feeding, neither influence fly to reach body 61 feeding can prop up the material area again, make the material area can not form the rupture, stability and smoothness when having guaranteed to fly to reach body 61 feeding, and then increased chip mounter's subsides dress precision.

Referring to fig. 7 and 8, the plate conveying device 2 includes a supporting table 21, a conveying belt 22, and a driving device for driving the conveying belt 22, wherein the supporting table 21 is located on the supporting table 11, and the driving device includes a driving motor and a lead screw 23 for converting the linear motion of the driving motor into the linear motion of the conveying belt 22. The traditional conveying belt 22 generally utilizes a motor to drive a rotating wheel to directly transmit the conveying belt 22, the conveying belt 22 is directly fixed on a linear sliding block matched with a lead screw 23, the lead screw 23 is utilized to convert the rotation of the motor into linear motion to drive the conveying belt 22, and the linear motion of the conveying belt 22 is more balanced and stable.

Referring to fig. 9, the plate feeding device 2 is further provided with a plate feeding length detection device 3, the plate feeding length detection device 3 comprises an encoder 31, a roller 32 and a mounting bracket 33, the encoder 31 has the advantages of small size, high precision, long service life, no contact, no abrasion, random installation and the like, the resolution of the encoder 31 can be high, and the encoder 31 can accurately detect the linear distance of the plate feeding mechanism under the assistance of the roller 32. The roller 32 is rotatably connected to the mounting bracket 33 by a shaft. The plate feeding length detection part is arranged at the head end of the plate feeding mechanism. After the lamp plate passes into board length detection part and gets into and send board mechanism, the motion lamp plate along with sending board mechanism is brought into and is moved forward, and the lamp plate motion drives the gyro wheel 32 that is located the lamp plate bottom and rotates, and encoder 31 and gyro wheel 32 fixed connection, gyro wheel 32 rotate and drive encoder 31 simultaneously and rotate, produce feedback signal in encoder 31, and then monitor the length that the lamp plate gos forward. The transportation process of the lamp panel is more accurate, and the mounting precision of the chip mounter is improved.

While the preferred embodiments of the present invention have been illustrated and described, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.

Claims

1. The utility model provides a high-efficient automatic chip mounter of double-end which characterized in that: the device comprises a supporting and conveying seat for supporting, a plate conveying device for conveying a lamp plate, a feeding feeder for feeding, a mounting head for mounting and a linear driving beam for supporting the mounting head;

2. The double-ended high-efficiency automatic chip mounter according to claim 1, wherein: the support conveying seat is provided with a support table, the linear driving beam is connected with the support table in a sliding mode through a Y-axis sliding rail arranged on the support table, and the Y-axis sliding rail comprises a center sliding rail and side sliding rails.

3. The double-ended high-efficiency automatic chip mounter according to claim 2, wherein: the linear driving beam comprises a supporting beam and a linear motor located on the supporting beam, the supporting beam is installed on the supporting and conveying seat, the mounting head is fixed on a sliding block of the linear motor, and movement in the X-axis direction is achieved through the linear motor.

4. The double-ended high-efficiency automatic chip mounter according to claim 1, wherein: the mounting head comprises two driving devices, an upper Z shaft part of the machine head and a lower Z shaft part of the machine head, and the two driving devices are respectively used for driving the upper Z shaft part of the machine head and the lower Z shaft part of the machine head.

5. The double-ended high-efficiency automatic chip mounter according to claim 4, wherein: the driving device comprises a transverse driving part and a vertical driving part, wherein the transverse driving part and the vertical driving part are used for driving the Z-axis part on the handpiece and the Z-axis part under the handpiece to move in the Z-axis direction and rotate in the X-axis direction, and the vertical driving part drives the Z-axis part under the handpiece to move in the Z-axis direction firstly and then drives the Z-axis part on the handpiece to move in the Z-axis direction.

6. The double-ended high-efficiency automatic chip mounter according to claim 5, wherein: the Z-axis part on the machine head and the Z-axis part under the machine head have the same structure and are provided with a plurality of suction nozzle groups, the suction nozzle groups on the Z-axis part on the machine head and the Z-axis part under the machine head are arranged at equal intervals, the connecting block on the Z-axis part on the machine head is positioned above the suction rod, the connecting block on the Z-axis part under the machine head is positioned below the suction rod, and the suction nozzle groups on the Z-axis part on the machine head and the Z-axis part under the machine head are arranged on the same horizontal line in.

7. The double-ended high-efficiency automatic chip mounter according to claim 1, wherein: the plate conveying device comprises a supporting table surface, a conveying belt and a driving device for driving the conveying belt, wherein the supporting table surface is positioned on the supporting table, and the driving device comprises a driving motor and a lead screw for converting the linear motion of the driving motor into the linear motion of the conveying belt.

8. The double-ended high-efficiency automatic chip mounter according to claim 7, wherein: the plate feeding device is also provided with a plate feeding length detection device, the plate feeding length detection device comprises an encoder, a roller and a mounting bracket, and the roller is rotatably connected to the mounting bracket through a rotating shaft.

9. The double-ended high-efficiency automatic chip mounter according to claim 1, wherein: the feeding flies to reach including flying to reach the body, supporting the mount pad and flying to reach the installation piece, it all is equipped with two sets ofly at the both sides symmetry that supports the mount pad to fly to reach the body and fly to reach the installation piece, it is equipped with a plurality ofly to fly to reach the body, and every flies to reach the body and all is equipped with one and flies to reach the installation piece with the junction that supports the mount pad, it is fixed on supporting the mount pad through flying to reach the installation piece to fly to reach the body.

10. The double-ended high-efficiency automatic chip mounter according to claim 9, wherein: the side of supporting the mount pad still is equipped with supplementary feed rod, supplementary feed rod contains extension and sliding part, the side of supporting the mount pad is fixed to the extension, extends to the edge from the middle part of supporting the mount pad, the tip vertical fixation of sliding part forms the support in the outside of flying to reach the body at the tip of extension.