阅读说明：本技术 一种贴片机 (Chip mounter ) 是由 梁吉来 王云峰 郭万甲 于 2019-09-24 设计创作，主要内容包括：本发明公开一种贴片机,包括机架、第一移动机构、识别机构、第二移动机构、拾取机构和第三移动机构,识别机构包括相机、镜头、棱镜、双面可视棱镜和光源,拾取机构包括拾取头,拾取头能够拾取芯片,工作时,调整识别机构,使相机通过镜头、棱镜、双面可视棱镜和光源能够获取到上下两个面的物象,拾取头拾取芯片后,相机获取双面可视棱镜上部的芯片底面的信息,识别机构识别芯片后,第一移动机构带动识别机构、拾取机构移动至贴片位置,相机获取双面可视棱镜下部的贴片位置的信息,识别机构完成贴片位置识别后,第二移动机构带动双面可视棱镜和光源移动,第三移动机构带动拾取头运动完成贴片。(The invention discloses a chip mounter, which comprises a rack, a first moving mechanism, an identification mechanism, a second moving mechanism, a pickup mechanism and a third moving mechanism, wherein the identification mechanism comprises a camera, a lens, a prism, a double-sided visible prism and a light source, the pickup mechanism comprises a pickup head, the pickup head can pick up a chip, when the chip mounter works, the identification mechanism is adjusted, the camera can acquire object images of an upper surface and a lower surface through the lens, the prism, the double-sided visible prism and the light source, after the chip is picked up by the pickup head, the camera acquires information of the bottom surface of the chip on the upper part of the double-sided visible prism, after the chip is identified by the identification mechanism, the identification mechanism and the pickup mechanism are driven by the first moving mechanism to move to a chip mounting position, the camera acquires information of the chip mounting position on the lower part of the double-sided visible prism, after the identification, and the third moving mechanism drives the picking head to move to complete the surface mounting.)

1. A chip mounter is characterized in that: the device comprises a rack, a first moving mechanism, a recognition mechanism, a second moving mechanism, a pickup mechanism and a third moving mechanism, wherein the first moving mechanism is slidably arranged on the rack, the recognition mechanism comprises a camera, a lens, a prism, a double-faced visual prism and a light source, the camera can obtain the object images of the top and the bottom of the light source, the camera, the lens and the prism are sequentially connected and arranged on the first moving mechanism, the camera, the lens and the prism are arranged on one side of the pickup mechanism, the double-faced visual prism and the light source are arranged at the bottom of the pickup mechanism, the double-faced visual prism is connected with the light source, the light source and the double-faced visual prism are arranged on the second moving mechanism, and the second moving mechanism is slidably arranged on the first moving mechanism, the picking mechanism comprises a picking head, the picking head can pick up a chip, the picking mechanism is arranged on the third moving mechanism, the third moving mechanism is slidably arranged on the first moving mechanism, and the relative sliding direction of the first moving mechanism and the rack, the relative sliding direction of the second moving mechanism and the first moving mechanism, and the relative sliding direction of the third moving mechanism and the second moving mechanism are perpendicular to each other in pairs.

2. The mounter according to claim 1, wherein: the camera comprises a frame, a camera lens, a prism, a picking mechanism and a second moving mechanism, wherein a sliding rail is arranged on the frame, the first moving mechanism is provided with a back plate, a bottom plate and a sliding groove, the sliding groove is formed in one side, close to the frame, of the back plate, the sliding groove is matched with the sliding rail, the back plate is connected with the bottom plate and is perpendicular to the bottom plate, the camera lens, the prism and the picking mechanism are arranged on the back plate, and the second moving mechanism is arranged on the bottom plate.

3. The mounter according to claim 2, wherein: the first moving mechanism is further connected with a driving motor, and the driving motor is connected with the back plate in a transmission mode.

4. The mounter according to claim 2, wherein: the second moving mechanism comprises a driving cylinder and a mounting plate which are connected, the driving cylinder is arranged on the bottom plate, the double-sided visible prism and the light source are arranged on the mounting plate, the driving cylinder can drive the mounting plate to move back and forth, and the moving direction of the mounting plate is perpendicular to the sliding rail.

5. The mounter according to claim 4, wherein: the third moving mechanism comprises a guide rail and a sliding block, the guide rail is arranged on the back plate, the picking mechanism is arranged on the sliding block, the sliding block is slidably arranged on the guide rail, and the guide rail is respectively perpendicular to the sliding rail and the motion direction of the mounting plate.

6. The mounter according to claim 5, wherein: the identification mechanism further comprises an adjusting element, the camera, the lens and the prism are all arranged on the adjusting element, and the adjusting element can drive the camera, the lens and the prism to move in a plane where the back plate is located.

7. The mounter according to claim 6, wherein: the adjusting element comprises an adjusting seat, a first adjusting block and a second adjusting block which are sequentially connected, the adjusting seat is arranged on the back plate, the camera, the lens and the prism are connected with the second adjusting block, the adjusting seat, the first adjusting block and the second adjusting block are connected through bolts, long holes are formed in the adjusting seat and the first adjusting block, and the long holes in the adjusting seat and the first adjusting block are respectively parallel to the length direction and the width direction of the back plate.

8. The mounter according to claim 7, wherein: the first adjusting block is L-shaped in cross section, and the adjusting element and the picking mechanism are respectively positioned on two sides of the identification mechanism.

Technical Field

The invention relates to the technical field of chip packaging, in particular to a chip mounter.

Background

The chip mounter is a key device in chip packaging, and is a device which is configured behind a dispensing machine or a screen printing machine in a production line and accurately places surface-mounted components on a PCB (printed circuit board) pad by moving a mounting head.

With the development of science and technology, advanced packaging becomes more and more a mainstream packaging mode, in the advanced packaging modes such as Flip-chip (Flip-chip) packaging, 3D Through Silicon Via (TSV) and Fan-out (Fan-out) packaging, Fan-in wafer level packaging (Fan-inWLP), etc., the precision requirement on a chip mounter has become higher and higher, how to meet the process requirement of the packaging modes, and improve the working efficiency of equipment, which has become a problem to be solved urgently by technical personnel in the field.

Disclosure of Invention

The invention aims to provide a chip mounter, which is used for solving the problems in the prior art and improving the chip mounting precision and the working efficiency of the chip mounter.

In order to achieve the purpose, the invention provides the following scheme: the invention provides a chip mounter, which comprises a rack, a first moving mechanism, a recognition mechanism, a second moving mechanism, a pickup mechanism and a third moving mechanism, wherein the first moving mechanism is slidably arranged on the rack, the recognition mechanism comprises a camera, a lens, a prism, a double-sided visible prism and a light source, object images of the top and the bottom of the light source can be obtained through the camera, the lens and the prism are sequentially connected and arranged on the first moving mechanism, the camera, the lens and the prism are arranged on one side of the pickup mechanism, the double-sided visible prism and the light source are arranged at the bottom of the pickup mechanism, the double-sided visible prism is connected with the light source, the light source and the double-sided visible prism are arranged on the second moving mechanism, the second moving mechanism is slidably arranged on the first moving mechanism, the picking mechanism comprises a picking head, the picking head can pick up a chip, the picking mechanism is arranged on the third moving mechanism, the third moving mechanism is slidably arranged on the first moving mechanism, and the relative sliding direction of the first moving mechanism and the rack, the relative sliding direction of the second moving mechanism and the first moving mechanism, and the relative sliding direction of the third moving mechanism and the second moving mechanism are perpendicular to each other in pairs.

Preferably, a slide rail is arranged on the rack, the first moving mechanism is provided with a back plate, a bottom plate and a slide groove, the slide groove is formed in one side, close to the rack, of the back plate, the slide groove is matched with the slide rail, the back plate is connected with the bottom plate and perpendicular to the bottom plate, the camera, the lens, the prism and the pickup mechanism are arranged on the back plate, and the second moving mechanism is arranged on the bottom plate.

Preferably, the first moving mechanism is further connected with a driving motor, and the driving motor is in transmission connection with the back plate.

Preferably, the second moving mechanism comprises a driving cylinder and a mounting plate which are connected, the driving cylinder is arranged on the bottom plate, the double-sided visible prism and the light source are arranged on the mounting plate, the driving cylinder can drive the mounting plate to move back and forth, and the moving direction of the mounting plate is perpendicular to the sliding rail.

Preferably, the third moving mechanism includes a guide rail and a slider, the guide rail is disposed on the back plate, the pickup mechanism is disposed on the slider, the slider is slidably disposed on the guide rail, and the guide rail is perpendicular to the sliding rail and the mounting plate respectively.

Preferably, the identification mechanism further comprises an adjusting element, the camera, the lens and the prism are all arranged on the adjusting element, and the adjusting element can drive the camera, the lens and the prism to move in the plane where the back plate is located.

Preferably, the adjusting element comprises an adjusting seat, a first adjusting block and a second adjusting block which are connected in sequence, the adjusting seat is arranged on the back plate, the camera, the lens and the prism are connected with the second adjusting block, the adjusting seat, the first adjusting block and the second adjusting block are connected through bolts, long holes are formed in the adjusting seat and the first adjusting block, and the long holes in the adjusting seat and the first adjusting block are respectively parallel to the length direction and the width direction of the back plate.

Preferably, the first adjusting block is L-shaped in cross section, and the adjusting element and the picking mechanism are respectively located on two sides of the identification mechanism.

Compared with the prior art, the invention has the following technical effects: the chip mounter comprises a rack, a first moving mechanism, a recognition mechanism, a second moving mechanism, a pickup mechanism and a third moving mechanism, wherein the first moving mechanism is arranged on the rack in a sliding manner, the recognition mechanism comprises a camera, a lens, a prism, a double-sided visible prism and a light source, object images of the top and the bottom of the light source can be obtained through the camera, the lens and the prism are sequentially connected and arranged on the first moving mechanism, the camera, the lens and the prism are arranged on one side of the pickup mechanism, the double-sided visible prism and the light source are arranged at the bottom of the pickup mechanism, the double-sided visible prism is connected with the light source, the light source and the double-sided visible prism are both arranged on the second moving mechanism, the second moving mechanism is arranged on the first moving mechanism in a sliding manner, the pickup mechanism comprises a pickup head capable of picking up a chip, and the pickup mechanism, the third moving mechanism is slidably arranged on the first moving mechanism, and the relative sliding direction of the first moving mechanism and the rack, the relative sliding direction of the second moving mechanism and the first moving mechanism, and the relative sliding direction of the third moving mechanism and the second moving mechanism are perpendicular to each other in pairs. When the chip mounter works, the identification mechanism is adjusted, so that a camera can acquire object images of an upper surface and a lower surface through the lens, the prism, the double-sided visible prism and the light source, after the pickup head picks up a chip, the camera acquires information of the bottom surface of the chip on the upper part of the double-sided visible prism, after the identification mechanism identifies the chip, the first moving mechanism drives the identification mechanism and the pickup mechanism to move to a chip mounting position, the camera acquires information of the chip mounting position on the lower part of the double-sided visible prism, after the identification mechanism identifies the chip mounting position, the second moving mechanism drives the double-sided visible prism and the light source to move, the influence of the double-sided visible prism and the light source on chip mounting action is avoided, the third moving mechanism drives the pickup head to move to complete chip mounting, the identification mechanism can accurately.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive exercise.

Fig. 1 is a schematic view of the overall structure of a chip mounter according to the present invention;

fig. 2 is a schematic structural view in the front view direction of the chip mounter according to the present invention;

fig. 3 is a side view structural schematic diagram of the chip mounter of the present invention;

wherein, 1 is a camera, 2 is a lens, 3 is a prism, 4 is a double-sided visible prism, 5 is a light source, 6 is a pickup head, 7 is a first moving mechanism, 8 is a second moving mechanism, 9 is a third moving mechanism, and 10 is an adjusting element.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The invention aims to provide a chip mounter, which is used for solving the problems in the prior art and improving the chip mounting precision and the working efficiency of the chip mounter.

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.

Referring to fig. 1 to 3, fig. 1 is a schematic view of an overall structure of a chip mounter according to the present invention, fig. 2 is a schematic view of a front-view direction structure of the chip mounter according to the present invention, and fig. 3 is a schematic view of a side-view direction structure of the chip mounter according to the present invention.

The invention provides a chip mounter, which comprises a rack, a first moving mechanism 7, a recognition mechanism, a second moving mechanism 8, a pickup mechanism and a third moving mechanism 9, wherein the first moving mechanism 7 is slidably arranged on the rack, the recognition mechanism comprises a camera 1, a lens 2, a prism 3, a double-sided visible prism 4 and a light source 5, object images of the top and the bottom of the light source 5 can be obtained through the camera 1, the lens 2 and the prism 3 are sequentially connected and arranged on the first moving mechanism 7, the camera 1, the lens 2 and the prism 3 are arranged on one side of the pickup mechanism, the double-sided visible prism 4 and the light source 5 are arranged at the bottom of the pickup mechanism, the double-sided visible prism 4 is connected with the light source 5, the light source 5 and the double-sided visible prism 4 are both arranged on the second moving mechanism 8, the second moving mechanism 8 is slidably arranged on the first moving mechanism 7, the pickup mechanism comprises a, the pick-up head 6 can pick up a chip, the pick-up mechanism is arranged on a third moving mechanism 9, the third moving mechanism 9 is slidably arranged on the first moving mechanism 7, and the relative sliding direction of the first moving mechanism 7 and the frame, the relative sliding direction of the second moving mechanism 8 and the first moving mechanism 7, and the relative sliding direction of the third moving mechanism 9 and the second moving mechanism 8 are pairwise perpendicular.

When the chip mounter works, the recognition mechanism is adjusted, so that the camera 1 can acquire object images of an upper surface and a lower surface through the lens 2, the prism 3, the double-sided visible prism 4 and the light source 5, after the chip is picked up by the pickup head 6, the camera 1 acquires the information of the bottom surface of the chip at the upper part of the double-sided visible prism 4, after the recognition mechanism recognizes the chip, the first moving mechanism 7 drives the recognition mechanism and the picking mechanism to move to the position of the paster, the camera 1 acquires the information of the position of the paster at the lower part of the double-sided visible prism 4, after the recognition mechanism finishes the position recognition of the paster, second moving mechanism 8 drives two-sided visual prism 4 and light source 5 and removes, avoids two-sided visual prism 4 and light source 5 to influence the paster action, and third moving mechanism 9 drives pick-up head 6 motion and accomplishes the paster, and recognition mechanism can accurate discernment chip and paster position, improves paster precision and paster work efficiency.

The camera 1, the lens 2, the prism 3 and the picking mechanism are arranged on the back plate, and the second moving mechanism 8 is arranged on the bottom plate. The frame provides the installation basis for the device is whole, and first moving mechanism 7 sets up the spout with slide rail looks adaptation for first moving mechanism 7 can make a round trip to slide along the slide rail, in order to avoid first moving mechanism 7 landing from the slide rail, sets up the baffle in the frame, and the extreme position of first moving mechanism 7 has been injectd to the baffle, provides the safety guarantee for the device.

Specifically, the first moving mechanism 7 is further connected with a driving motor, the driving motor is connected with the back plate in a transmission mode, and the driving motor can drive the first moving mechanism 7 to move.

Similarly, second moving mechanism 8 drives actuating cylinder and mounting panel including linking to each other, it sets up on the bottom plate to drive actuating cylinder, two-sided visible prism 4 and light source 5 set up on the mounting panel, it can drive mounting panel back and forth movement to drive actuating cylinder, the direction of motion perpendicular to slide rail of mounting panel, it can drive two-sided visible prism 4 and the motion of light source 5 to drive actuating cylinder, after recognition mechanism accomplishes paster position identification, it drives two-sided visible prism 4 and light source 5 "withdrawal" to drive actuating cylinder, prevent that two-sided visible prism 4 and light source 5 from influencing the 6 paster actions of pick-up head.

More specifically, the third moving mechanism 9 includes a guide rail and a slider, the guide rail is disposed on the back plate, the pickup mechanism is disposed on the slider, the slider is slidably disposed on the guide rail, the guide rail is perpendicular to the moving direction of the slide rail and the mounting plate, the pickup mechanism is also provided with a driver, the driver is connected with the slider in a transmission manner, and the driver drives the pickup head 6 to move up and down through the slider, so that the pickup head 6 can successfully complete picking up the chip and the patch.

In order to enable the camera 1 to smoothly acquire an object image, the recognition mechanism further comprises an adjusting element 10, the camera 1, the lens 2 and the prism 3 are all arranged on the adjusting element 10, the adjusting element 10 can drive the camera 1, the lens 2 and the prism 3 to move in a plane where a backboard is located, and due to the reasons of light intensity or environmental influences and the like, the problem that the camera 1 acquires object image deviation or cannot acquire the object image may occur, so that the adjusting element 10 is arranged, the positions of the camera 1, the lens 2 and the prism 3 can be finely adjusted, the camera 1 can be ensured to smoothly acquire the object image, and the recognition mechanism can complete the position recognition of a chip and a patch.

Further, the adjusting element 10 comprises an adjusting seat, a first adjusting block and a second adjusting block which are sequentially connected, the adjusting seat is arranged on the back plate, the camera 1, the lens 2 and the prism 3 are connected with the second adjusting block, the adjusting seat, the first adjusting block and the second adjusting block are connected through bolts, long holes are formed in the adjusting seat and the first adjusting block, the long holes in the adjusting seat and the first adjusting block are respectively parallel to the length direction and the width direction of the back plate, the purpose of adjusting the positions of the camera 1, the lens 2 and the prism 3 can be achieved by adjusting the relative positions of the adjusting seat, the first adjusting block and the second adjusting block, the adjusting is performed by adjusting the positions of the bolts in the long holes, the structure is simple, and the adjusting is convenient.

Because the double-sided visible prism 4 and the light source 5 can generate relative motion relative to the camera 1, the lens 2 and the prism 3, and the camera 1 can be influenced to obtain an object image, in the present embodiment, the installation positions of the camera 1, the lens 2 and the prism 3 and the second adjusting block can also be adjusted, the adjusting direction is parallel to the moving direction of the double-sided visible prism 4 and the light source 5, in addition, the cross section of the first adjusting block is L-shaped, so that the first adjusting block can be conveniently connected with the adjusting seat and the second adjusting block, the adjusting element 10 and the picking mechanism are respectively located at two sides of the recognition mechanism, and the adjusting element 10 is prevented from influencing the work of the picking mechanism.

According to the chip mounter, the recognition mechanism is adjusted, a camera 1 can obtain object images of an upper surface and a lower surface through a lens 2, a prism 3, a double-sided visible prism 4 and a light source 5, after a chip is picked up by a pickup head 6, the camera 1 obtains information of the bottom surface of the chip on the upper portion of the double-sided visible prism 4, after the chip is recognized by the recognition mechanism, the recognition mechanism and the pickup mechanism are driven by a first moving mechanism 7 to move to a chip mounting position, the camera 1 obtains information of the chip mounting position on the lower portion of the double-sided visible prism 4, after the recognition mechanism completes chip mounting position recognition, a second moving mechanism 8 drives the double-sided visible prism 4 and the light source 5 to move, the double-sided visible prism 4 and the light source 5 are prevented from influencing chip mounting actions, a third moving mechanism 9 drives the pickup head 6 to move to complete chip mounting.

The principle and the implementation mode of the invention are explained by applying a specific example, and the description of the embodiment is only used for helping to understand the method and the core idea of the invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, the specific embodiments and the application range may be changed. In view of the above, the present disclosure should not be construed as limiting the invention.