WO2022078242A1

WO2022078242A1 - Surface mounting apparatus and surface mounting method

Info

Publication number: WO2022078242A1
Application number: PCT/CN2021/122639
Authority: WO
Inventors: 曲东升; 郜福亮; 李长峰; 史晔鑫; 章谦; 吴红军; 杨健; 胡君君
Original assignee: 常州铭赛机器人科技股份有限公司
Priority date: 2020-10-13
Filing date: 2021-10-08
Publication date: 2022-04-21
Also published as: CN112261865A; CN112261865B

Abstract

Provided are a surface mounting apparatus and a surface mounting method. The surface mounting apparatus comprises a first workpiece delivery device (1), a second workpiece delivery device (2) and a mounting apparatus (3), wherein a mounting workpiece (4) is positioned by means of a first positioning device (33) so as to allow a first mounting head (31) to pick up the mounting workpiece (4) and place same on a transfer device (37); the mounting workpiece (4) on the transfer device (37) is positioned by means of a third positioning device (35) so as to allow the second mounting head (32) to pick up the mounting workpiece (4) from the transfer device (37); and the mounting workpiece (4) which is picked up by the second mounting head (32) is positioned by means of the fourth positioning device (36), and a mounted workpiece (5) is positioned by means of the second positioning device (34), so as to allow the mounting workpiece (4) which is picked up by the second mounting head (32) to be accurately attached to the positioned mounted workpiece (5).

Description

Surface Mount Equipment and Surface Mount Method

technical field

The present disclosure relates to the technical field of electronic assembly, and in particular, to a surface mount device and a surface mount method.

Background technique

With the rapid development of electronic technology, the degree of automation in the electronic assembly industry is deepening day by day, and surface mount technology has become a key technology in the electronic assembly industry. The placement machine is a vital device in the Surface Mount Technology (SMT) production line. The placement efficiency and accuracy of the placement machine determine the productivity and quality of the entire production line.

The traditional surface mount method uses a single placement head, and the placement workpiece and the mounted workpiece are placed in a fixed position. on the workpiece. This surface mount method is simple to implement and low cost. However, during the placement process, many placement problems will occur, such as: the loss of the placement workpiece will cause invalid placement, the positional offset of the placement workpiece or the mounted workpiece will cause placement deformation, and the placement head will During continuous operation, it is easy to cause problems such as deterioration of placement quality due to accumulation of errors. Therefore, for products with high requirements on placement accuracy and productivity, the traditional placement method is obviously no longer applicable.

SUMMARY OF THE INVENTION

In order to solve the problem in the related art that when the mounting workpiece is mounted on the mounted workpiece by using the mounting head, the mounting accuracy and productivity are low due to the simple structure design, the present disclosure provides a surface mount Equipment and surface mount methods.

A surface mount device according to an embodiment of the first aspect of the present disclosure includes a first workpiece conveying device, a second workpiece conveying device, and a placement device, wherein the placement device includes a first placement head, a second placement head, a first placement head, and a first placement head. A positioning device, a second positioning device, a third positioning device, a fourth positioning device and a transfer device, wherein: the first workpiece conveying device conveys the mounted workpiece to a first loading station, and the first positioning device Positioning the mounted workpiece at the first loading station to obtain first positioning information; the second workpiece conveying device transports the mounted workpiece to the second loading station, and the second positioning device Positioning the mounted workpiece at the second loading station to obtain second positioning information; the first mounting head picks up the workpiece from the first loading station according to the first positioning information The workpiece is mounted and placed on the transfer device, and the third positioning device positions the mounted workpiece placed on the transfer device to obtain third positioning information; the second mounting head is based on the The third positioning information picks up the mounting workpiece from the transfer device, and the fourth positioning device positions the picked mounting workpiece to obtain fourth positioning information; the second mounting head is based on the The fourth positioning information corrects the angle of the picked-up mounting workpiece, and combines the second positioning information to mount the corrected mounting workpiece to the pasted workpiece at the second loading station mounted on the workpiece.

According to the surface mount equipment of the embodiment of the present disclosure, the mounted workpiece is positioned by the first positioning device, so that the first mounting head can pick up the mounted workpiece and place it on the transfer device, and the third positioning device is used to locate the mounted workpiece on the transfer device. The placement workpiece is positioned for the second placement head to pick up the placement workpiece from the transfer device, the placement workpiece picked up by the second placement head is positioned by the fourth positioning device, and the placement workpiece is positioned by the second positioning device. The workpiece is loaded and positioned, so that the workpiece picked up by the second placement head can be accurately attached to the positioned workpiece, which realizes the loading of the workpiece, the transfer of the workpiece, and the placement of the workpiece in the placement process. The positioning of key position information such as workpiece feeding ensures the placement accuracy.

According to some embodiments of the present disclosure, the transfer device is a turntable mechanism, the transfer device includes a rotary drive part and at least two transfer seats, at least two of the transfer seats are evenly arranged in the circumferential direction, and the rotary drive part Drive each transfer seat to rotate synchronously, and the transfer device is located between the first loading station and the second loading station; the rotary drive part drives each transfer seat to mount the workpiece at the loading station and the second loading station. The mounting workpiece rotates between the unloading stations, and the first mounting head places the mounting workpiece picked up from the first loading station to the reloading station located at the mounting workpiece loading station The second placement head picks up the placement workpiece from the transfer seat located at the placement workpiece unloading station. By setting the transfer device as a turntable mechanism, the transfer and loading of the mounted workpiece, the transfer and unloading and positioning of the mounted workpiece can be completed in parallel, which improves the work efficiency, and reduces the occupation of the transfer device due to the design of the turntable. land area.

According to some embodiments of the present disclosure, the rotation driving part includes a motor, a rotating base, and a coupling, and the transfer device further includes a mounting plate and a light source, wherein: the motor is mounted on the mounting plate, and the rotating The base is connected to the shaft end of the motor through the coupling, and the transfer base is detachably installed above the rotating base; the light source is installed on one side of the motor, and the light source is arranged upward ; The motor drives the transfer base to rotate through the rotating base and the coupling.

According to some embodiments of the present disclosure, the rotation driving part drives the reed base to rotate by a predetermined angle at predetermined time intervals.

According to some embodiments of the present disclosure, the number of the receptacles is 4, and the predetermined angle is 45°. By setting 4 transfer seats, rotating 45° each time and rotating twice continuously, the transfer seat can be driven to the next station, and the fourth positioning device can rotate the workpieces picked up by the second placement head in the interval rotation. to locate.

According to some embodiments of the present disclosure, the fourth positioning device includes a camera and a lens, the lens is mounted on the camera, the lens is disposed toward the light source, and the fourth positioning device is mounted on the workpiece. When there is no transfer seat at the blanking station, the placement workpiece picked up by the second placement head is positioned. By installing the fourth positioning device on the transfer device, and positioning the mounting workpiece picked up by the second mounting head when there is no transfer seat at the loading and unloading station of the workpiece, the second mounting head is realized. The positioning of the picked-up mounting workpiece makes the design of the positioning station and the transfer station as a whole, which reduces the space occupied by the positioning station when the fourth positioning device performs positioning.

According to some embodiments of the present disclosure, the fourth positioning device further includes two sets of lens fixing parts, the two sets of lens fixing parts are mounted on the mounting plate at intervals, and each group of lens fixing parts includes a lens bracket and a lens holding block , the lens bracket is fixed on the mounting plate, and the lens holding block clamps the lens on the lens bracket.

According to some embodiments of the present disclosure, the surface mount equipment further includes a placement beam spanning the first loading station, the transfer device, and the second loading station, the first loading station The placement head, the second placement head, the first positioning device, the second positioning device and the third positioning device are all mounted on the placement beam; the placement beam at least includes a horizontal A rail, the first placement head and the second placement head are mounted on the lateral rail and are configured to move along the lateral rail.

According to some embodiments of the present disclosure, the first workpiece conveying device includes a first driving part and a first conveying part, the first conveying part carries a fixture for mounting workpieces, and the fixture for mounting workpieces carries a There is a mounting workpiece, the first driving part drives the first conveying part to move, so as to transport the mounting workpiece carried on the first conveying part to the first loading station; the second workpiece The conveying device includes a second driving part and a second conveying part, the second conveying part carries a fixture to be mounted, the fixture to be mounted carries the workpiece to be mounted, and the second driving part The second conveying part is driven to move, so as to convey the mounted workpiece carried on the second conveying part to the second loading station.

According to some embodiments of the present disclosure, the first placement head and the second placement head are mounted on the same lateral guide rail; or the first placement head and the second placement head are respectively It is installed on the two lateral guide rails, and the heights of the two lateral guide rails are the same or different.

According to the surface mount method according to the embodiment of the second aspect of the present disclosure, the surface mount device according to the above-mentioned first aspect of the present disclosure is adopted, and the surface mount method includes: feeding the mounted workpiece onto the first top surface The loading station is used to locate the mounted workpiece at the first loading station to obtain the first positioning information; the workpiece to be mounted is loaded to the second loading station, and the second loading station is Position the mounted workpiece at the position to obtain second positioning information; pick up the mounted workpiece from the first loading station according to the first positioning information and place it on the transfer device, Positioning the mounted workpiece placed on the transfer device to obtain third positioning information; picking up the mounted workpiece from the transfer device according to the third positioning information, and positioning the picked up mounted workpiece, Obtain fourth positioning information, perform angle correction on the picked-up mounting workpiece according to the fourth positioning information, and mount the corrected mounting workpiece on the second loading material according to the second positioning information on the mounted workpiece at the station.

According to the surface mounting method of the embodiment of the present disclosure, the mounting workpiece is positioned by the first positioning device, so that the first mounting head picks up the mounting workpiece and places it on the transfer device, and the third positioning device is used for positioning the mounting workpiece on the transfer device. The placement workpiece is positioned for the second placement head to pick up the placement workpiece from the transfer device, the placement workpiece picked up by the second placement head is positioned by the fourth positioning device, and the placement workpiece is positioned by the second positioning device. The workpiece is loaded and positioned, so that the workpiece picked up by the second placement head can be accurately attached to the positioned workpiece, which realizes the loading of the workpiece, the transfer of the workpiece, and the placement of the workpiece in the placement process. The positioning of key position information such as workpiece feeding ensures the placement accuracy.

According to some embodiments of the present disclosure, the picking up the mounting workpiece from the first loading station according to the first positioning information and placing it on the transfer device includes: according to the first positioning information Picking up the mounting workpiece from the first loading station and placing it on the transfer seat at the loading station for the mounting workpiece;

After the mounting workpiece is picked up from the first loading station according to the first positioning information and placed on the transfer device, the method further includes: transferring the transfer seat from the paste The workpiece loading station is rotated to the loading workpiece unloading station;

The picking up the mounted workpiece from the transfer device according to the third positioning information includes: picking up the mounted workpiece from the transfer seat at the unloading station of the mounted workpiece according to the third positioning information. described mounting workpiece;

After picking up the mounting workpiece from the transfer device according to the third positioning information, the method further includes: moving the transfer seat at the unloading station of the mounting workpiece to the mounting workpiece The workpiece loading station rotates;

The positioning of the picked-up mounting workpiece includes: positioning the picked-up mounting workpiece when the transfer base leaves the mounting workpiece unloading station.

It is to be understood that the foregoing general description and the following detailed description are exemplary only and do not limit the present disclosure.

Description of drawings

The accompanying drawings in this disclosure, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the disclosure, and together with the description serve to explain the principles of the disclosure.

1 is a schematic structural diagram of a surface mount device according to an embodiment of the present disclosure;

2 is a schematic structural diagram of a transfer device according to an embodiment of the present disclosure;

3 is a flowchart of a surface mount method according to an embodiment of the present disclosure.

The reference numbers are as follows:

1. The first workpiece conveying device; 2. The second workpiece conveying device; 3. Mounting equipment; 31. The first mounting head; 32. The second mounting head; 33. The first positioning device; 34. The second positioning device; 35, the third positioning device; 36, the fourth positioning device; 361, the camera; 362, the lens; 363, the lens fixing part; 37, the transfer device; 371, the transfer seat; 372, the motor; 373, the rotating base; 374 375, mounting plate; 376, light source; 377, photoelectric sensor; 38, mounting beam; 4, mounting workpiece; 5, mounted workpiece.

Detailed ways

Exemplary embodiments will be described in detail below, examples of which are illustrated in the accompanying drawings. Where the following description refers to the drawings, the same numerals in different drawings refer to the same or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments are not intended to represent all embodiments consistent with this disclosure. Rather, they are merely exemplary of apparatus and methods consistent with some aspects of the present disclosure as defined in the appended claims.

FIG. 1 is a schematic structural diagram of a surface mount device according to an embodiment of the present disclosure. The surface mount device provided by the present disclosure may include a first workpiece conveying device 1 , a second workpiece conveying device 2 and a mounting device 3 . The placement apparatus 3 includes a first placement head 31 , a second placement head 32 , a first positioning device 33 , a second positioning device 34 , a third positioning device 35 , a fourth positioning device 36 and a transfer device 37 .

The first workpiece conveying device 1 transports the mounting workpiece 4 to the first loading station, and the first positioning device 33 positions the mounting workpiece 4 at the first loading station to obtain first positioning information.

In a possible implementation, the first workpiece conveying device 1 may include a first driving part and a first conveying part, the first conveying part carries a mounting workpiece fixture, and the mounting workpiece fixture carries a mounting workpiece 4 , the first driving part drives the first conveying part to move, so as to convey the mounting workpiece 4 carried on the first conveying part to the first feeding station.

In actual production, the fixture for mounting workpieces can be a tray, which is used to hold several workpieces 4 to be mounted, and the first workpiece conveying device 1 transports the tray loaded with workpieces 4 to the first feeding Station.

The second workpiece conveying device 2 transports the mounted workpiece 5 to the second loading station, and the second positioning device 34 positions the mounted workpiece 5 at the second loading station to obtain second positioning information.

In a possible implementation, the second workpiece conveying device 2 may include a second driving part and a second conveying part, the second conveying part carries a fixture to be mounted, and the fixture to be mounted carries a fixture to be mounted When the workpiece 5 is loaded, the second driving part drives the second conveying part to move, so as to convey the mounted workpiece 5 carried on the second conveying part to the second loading station.

In actual production, the mounted workpiece 5 can be accommodated in the mounted workpiece fixture, and the second workpiece conveying device 2 transports the mounted workpiece 5 to the second feeding station through the mounted workpiece fixture.

The first mounting head 31 picks up the mounting workpiece 4 from the first loading station according to the first positioning information and places it on the transfer device 37 , and the third positioning device 35 positions the mounting workpiece 4 placed on the transfer device 37 , Obtain third positioning information.

The second placement head 32 picks up the mounting workpiece 4 from the transfer device 37 according to the third positioning information, and the fourth positioning device 36 positions the picked mounting workpiece 4 to obtain fourth positioning information; The fourth positioning information is used to correct the angle of the picked-up mounting workpiece 4, and the corrected mounting workpiece 4 is mounted on the mounted workpiece 5 at the second loading station in combination with the second positioning information.

The surface mount equipment 3 provided by the present disclosure may further include a placement beam 38 spanning the first loading station, the transfer device 37 and the second loading station, a first placement head 31 and a second placement head 32. The first positioning device 33, the second positioning device 34 and the third positioning device 35 are all mounted on the mounting beam 38.

The placement beam 38 may include at least a lateral rail on which the first placement head 31 and the second placement head 32 are mounted and configured to move along the lateral rail. Obviously, in practical applications, the first placement head 31 and the second placement head 32 can be installed on the same lateral guide rail, or can be respectively installed on two lateral guide rails, and the heights of the two lateral guide rails can be the same or can be different.

In a possible implementation manner, the transfer device 37 provided by the present disclosure may be a turntable mechanism. FIG. 2 is a schematic structural diagram of a transfer device 37 according to an embodiment of the present disclosure. The transfer device 37 includes a rotary drive part and at least two transfer seats 371 , at least two transfer seats 371 are evenly arranged along the circumferential direction, and the rotary drive part drives each transfer seat 371 to rotate synchronously. The transfer device 37 is located between the first loading station and the second loading station.

The rotary drive unit drives each transfer seat 371 to rotate between the mounting workpiece loading station and the mounting workpiece unloading station, and the first mounting head 31 places the mounting workpiece 4 picked up from the first loading station on the mounting workpiece. On the transfer seat 371 located at the loading station of the mounted workpiece, the second mounting head 32 picks up the mounted workpiece 4 from the transfer seat 371 located at the unloading station of the mounted workpiece.

In this way, by setting the transfer device 37 as a turntable mechanism, the transfer and loading of the mounted workpiece 4 and the transfer and unloading and positioning of the mounted workpiece 4 can be completed in parallel, thereby improving work efficiency. And due to the design of the turntable, the footprint of the transfer device 37 is reduced.

Optionally, the rotation driving part drives the reed base 371 to rotate by a predetermined angle every predetermined time interval. Further, there may be four transfer seats 371, and the predetermined angle may be 45°.

In this way, in the present disclosure, by setting four re-loading bases 371, each rotating 45° and rotating twice in a row, the re-loading base 371 can be driven to the next station, and the fourth positioning device 36 can rotate the second sticker at intervals. The mounting workpiece 4 picked up by the mounting head 32 is positioned.

The rotation driving part in the transfer device 37 provided by the present disclosure may include a motor 372, a rotating base 373, and a coupling 374, and the transfer device 37 may further include a mounting plate 375, a light source 376, a motor fixing seat, and a light source seat.

The motor 372 is installed on the mounting plate 375, the rotating base 373 is connected to the shaft end of the motor 372 through the coupling 374, the transfer base 371 is detachably installed above the rotating base 373; the light source 376 is installed on one side of the motor 372, the light source 376 is arranged upward, the light source seat is fixed on the mounting plate 375, and the light source 376 is fixed on the light source seat; the motor 372 is fixedly installed on the lower part of the motor fixing seat, and the motor fixing seat is fixed on the mounting plate 375, and the motor 372 rotates through the base 373 and The coupling 374 drives the transfer base 371 to rotate.

Still referring to FIG. 2 , the fourth positioning device 36 may include a camera 361 and a lens 362 , the lens 362 is mounted on the camera 361 , and the lens 362 is disposed toward the light source 376 , and the fourth positioning device 36 is not installed at the workpiece blanking station The placement workpiece 4 picked up by the second placement head 32 is positioned when the base 371 is transferred.

In addition, the fourth positioning device 36 may also include two sets of lens fixing members 363, the two sets of lens fixing members 363 are installed on the mounting plate 375 at intervals, and each set of lens fixing members 363 includes a lens bracket and a lens holding block, and the lens bracket is fixed on the mounting plate 375. On the plate 375, the lens holding block clamps the lens 362 on the lens holder.

By installing the fourth positioning device 36 on the transfer device 37, and positioning the mounting workpiece 4 picked up by the second mounting head 32 when there is no transfer seat 371 at the mounting workpiece unloading station, the first positioning device 36 is realized. The positioning of the mounting workpiece 4 picked up by the two mounting heads 32 makes the positioning station and the transfer station design as one, reducing the space occupied by the positioning station when the fourth positioning device 36 performs positioning.

The photoelectric sensor 377, the photoelectric sensor mounting plate and the photoelectric blocking plate are arranged on the transfer device 37. The photoelectric sensor mounting plate is fixed on the side of the above-mentioned motor fixing seat by fasteners, and the photoelectric sensor 377 is fixed on the photoelectric sensor mounting plate. The photoelectric baffle is fixed under the rotating shaft. As the transfer base 371 rotates, the photoelectric block passes through the photoelectric sensor 377 to obtain a signal, and the upper computer knows the current position of the motor 372 and controls the motor 372 to turn to the initial position.

To sum up, in the surface mount equipment provided by the present disclosure, the mounting workpiece is positioned by the first positioning device, so that the first mounting head can pick up the mounting workpiece and place it on the transfer device, and the third positioning device The placement workpiece on the transfer device is positioned for the second placement head to pick up the placement workpiece from the transfer device, and the placement workpiece picked up by the second placement head is positioned by the fourth positioning device, and the second positioning device is used for positioning. Position the mounted workpiece so that the mounted workpiece picked up by the second mounting head can be accurately attached to the positioned mounted workpiece, and realize the loading of the mounted workpiece, the transfer of the mounted workpiece, and the Positioning of key position information such as loading of the workpiece to be mounted, thus ensuring the placement accuracy.

According to the surface mount apparatus provided above, the present disclosure also provides a surface mount method. FIG. 3 is a flowchart of a surface mount method according to an embodiment of the present disclosure. The surface mount method adopts the surface mount device shown in FIG. 1 and can be implemented by software, hardware or a combination of software and hardware, such as It can be implemented by a processing unit in a surface mount device, where the processing unit can be a pre-compiled execution program or a chip for storing the execution program. The surface mount method provided by the present disclosure may include the following steps:

Step 301, feeding the mounting workpiece to the first loading station, positioning the mounting workpiece at the first loading station, and obtaining first positioning information;

Step 302, feeding the mounted workpiece to the second feeding station, positioning the mounted workpiece at the second feeding station, and obtaining second positioning information;

Step 301 and step 302 may be performed synchronously, or step 301 may be performed first and then step 302, or step 302 may be performed first and then step 301.

Step 303, picking up the mounting workpiece from the first loading station according to the first positioning information and placing it on the transfer device, positioning the mounting workpiece placed on the transfer device, and obtaining third positioning information;

When the mounting workpiece is picked up from the first loading station according to the first positioning information and placed on the transfer device, the mounting workpiece can be picked up from the first loading station according to the first positioning information and placed on the mounting workpiece for loading. On the transfer seat at the workstation.

After the mounting workpiece is picked up from the first loading station according to the first positioning information and placed on the transfer device, the transfer base can be rotated from the mounting workpiece loading station to the mounting workpiece unloading station.

Step 304, picking up the mounting workpiece from the reloading device according to the third positioning information, positioning the picked mounting workpiece, and obtaining fourth positioning information;

When picking up the mounted workpiece from the transfer device according to the third positioning information, the mounted workpiece may be picked up from the transfer seat at the unloading station of the mounted workpiece according to the third positioning information.

After picking up the mounted workpiece from the transfer device according to the third positioning information, the transfer seat at the mounting workpiece unloading station can be rotated to the mounting workpiece loading station.

When positioning the picked-up mounting workpiece, the picked-up mounting workpiece can be positioned when the transfer seat is away from the mounting workpiece unloading station.

Step 305 , performing angle correction on the picked-up mounting workpiece according to the fourth positioning information, and mounting the corrected mounting workpiece on the mounted workpiece at the second loading station according to the second positioning information.

To sum up, in the surface mounting method provided by the present disclosure, the mounting workpiece is positioned by the first positioning device, so that the first mounting head can pick up the mounting workpiece and place it on the transfer device, and the third positioning device The placement workpiece on the transfer device is positioned for the second placement head to pick up the placement workpiece from the transfer device, and the placement workpiece picked up by the second placement head is positioned by the fourth positioning device, and the second positioning device is used for positioning. Position the mounted workpiece so that the mounted workpiece picked up by the second mounting head can be accurately attached to the positioned mounted workpiece, and realize the loading of the mounted workpiece, the transfer of the mounted workpiece, and the Positioning of key position information such as loading of the workpiece to be mounted, thus ensuring the placement accuracy.

Other embodiments of the present disclosure will readily occur to those skilled in the art after considering the description and practicing the embodiments of the present disclosure. This disclosure is intended to cover any variations, uses, or adaptations of this disclosure that follow the general principles of this disclosure and include common general knowledge or techniques commonly used in the art to which this disclosure pertains. The specification and examples are to be regarded as exemplary only, with the true scope and spirit of the disclosure being defined by the appended claims.

It is to be understood that the present disclosure is not limited to the precise structures described above and illustrated in the accompanying drawings, and that various modifications and changes may be made without departing from the scope thereof. The scope of the present disclosure is limited only by the appended claims.

Claims

A surface mount device, characterized in that the surface mount device includes a first workpiece conveying device, a second workpiece conveying device, and a placement device, and the placement device includes a first placement head, a second placement device a head, a first positioning device, a second positioning device, a third positioning device, a fourth positioning device, and a loading device, wherein:

The first workpiece conveying device transports the mounted workpiece to the first loading station, and the first positioning device positions the mounted workpiece at the first loading station to obtain first positioning information; The second workpiece conveying device transports the mounted workpiece to the second loading station, and the second positioning device positions the mounted workpiece at the second loading station to obtain second positioning information;

The first placement head picks up the placement workpiece from the first loading station according to the first positioning information and places it on the transfer device, and the third positioning device is positioned on the transfer device. The placed mounting workpiece is positioned to obtain third positioning information;

The second mounting head picks up the mounting workpiece from the transfer device according to the third positioning information, and the fourth positioning device positions the picked mounting workpiece to obtain fourth positioning information; The second mounting head performs angle correction on the picked-up mounting workpiece according to the fourth positioning information, and mounts the corrected mounting workpiece to the second mounting workpiece in combination with the second positioning information on the mounted workpiece at the loading station.
The surface mount equipment according to claim 1, wherein the transfer device is a turntable mechanism, and the transfer device includes a rotary drive part and at least two transfer seats, and at least two of the transfer seats are uniform in the circumferential direction. Arrangement, the rotary drive part drives each loading seat to rotate synchronously, and the loading device is located between the first loading station and the second loading station;

The rotary drive part drives each transfer seat to rotate between the loading station for the mounting workpiece and the unloading station for the mounting workpiece, and the first mounting head picks up the The mounting workpiece is placed on the transfer seat located at the loading station of the mounting workpiece, and the second mounting head picks up the mounting workpiece from the transfer seat located at the unloading station of the mounting workpiece.
The surface mount device according to claim 2, characterized in that, the rotary drive part comprises a motor, a rotary base, and a coupling, and the transfer device further comprises a mounting plate and a light source, wherein:

The motor is installed on the mounting plate, the rotating base is connected to the shaft end of the motor through the coupling, and the loading base is detachably installed above the rotating base; the light source is installed On one side of the motor, the light source is arranged upward; the motor drives the transfer base to rotate through the rotating base and the coupling.
The surface mount device according to claim 2 or 3, wherein the rotation driving part drives the transfer base to rotate by a predetermined angle at predetermined time intervals.
The surface mount device according to claim 4, wherein the number of the transfer bases is 4, and the predetermined angle is 45°.
The surface mount device according to claim 3, wherein the fourth positioning device comprises a camera and a lens, the lens is mounted on the camera, the lens is disposed toward the light source, and the fourth The positioning device positions the mounted workpiece picked up by the second mounting head when there is no transfer seat at the mounting workpiece unloading station.
The surface mount device according to claim 6, wherein the fourth positioning device further comprises two sets of lens fixing parts, the two sets of lens fixing parts are mounted on the mounting plate at intervals, and each set of lenses is fixed The component includes a lens support and a lens holding block, the lens support is fixed on the mounting plate, and the lens holding block clamps the lens on the lens support.
The surface mount device according to any one of claims 1-7, characterized in that, the surface mount device further comprises a cross-section between the first loading station, the transfer device and the second The placement beam of the loading station, the first placement head, the second placement head, the first positioning device, the second positioning device and the third positioning device are all mounted on the Mounted on the beam;

The placement beam includes at least a lateral rail on which the first placement head and the second placement head are mounted and configured to move along the lateral rail.
The surface mount equipment according to any one of claims 1 to 8, wherein the first workpiece conveying device comprises a first driving part and a first conveying part, and the first conveying part carries a mounting plate on it. a workpiece fixture, the mounting workpiece fixture carries a mounting workpiece, and the first driving part drives the first conveying part to move, so as to transport the mounting workpiece carried on the first conveying part to the The first feeding station;

The second workpiece conveying device includes a second driving part and a second conveying part, the second conveying part carries a fixture to be mounted, and the fixture to be mounted carries the workpiece to be mounted, so The second driving part drives the second conveying part to move, so as to convey the mounted workpiece carried on the second conveying part to the second loading station.
The surface mount device of claim 8, wherein:

The first placement head and the second placement head are mounted on the same lateral guide rail; or

The first placement head and the second placement head are respectively mounted on the two lateral guide rails, and the heights of the two lateral guide rails are the same or different.
A surface mount method, characterized in that the surface mount device according to any one of claims 1-10 is adopted, and the surface mount method comprises:

Loading the mounting workpiece to the first loading station, positioning the mounting workpiece at the first loading station, and obtaining first positioning information;

feeding the mounted workpiece to the second feeding station, positioning the mounted workpiece at the second feeding station, and obtaining second positioning information;

Pick up the mounted workpiece from the first loading station according to the first positioning information and place it on the transfer device, and position the mounted workpiece placed on the transfer device to obtain a third positioning information;

The mounted workpiece is picked up from the transfer device according to the third positioning information, the picked mounted workpiece is positioned, fourth positioning information is obtained, and the picked up mounted workpiece is determined according to the fourth positioning information. The workpiece is mounted to perform angle correction, and the corrected mounting workpiece is mounted on the mounted workpiece at the second loading station according to the second positioning information.
The surface mount method according to claim 11, characterized in that, using the surface mount device according to any one of claims 2-7, the loading from the first material according to the first positioning information Picking up the mounting workpiece at the station and placing it on the transfer device includes: picking up the mounting workpiece from the first loading station according to the first positioning information and placing it on the mounting workpiece on the transfer seat at the material station;

After the mounting workpiece is picked up from the first loading station according to the first positioning information and placed on the transfer device, the method further includes: transferring the transfer seat from the paste The workpiece loading station is rotated to the loading workpiece unloading station;

The picking up the mounted workpiece from the transfer device according to the third positioning information includes: picking up the mounted workpiece from the transfer seat at the unloading station of the mounted workpiece according to the third positioning information. the mounting workpiece;

After picking up the mounting workpiece from the transfer device according to the third positioning information, the method further includes: moving the transfer seat at the unloading station of the mounting workpiece to the mounting workpiece The workpiece loading station rotates;

The positioning of the picked-up mounting workpiece includes: positioning the picked-up mounting workpiece when the transfer base leaves the mounting workpiece unloading station.