阅读说明：本技术 一种基于机器视觉的精密贴装系统及方法 (Machine vision-based precise mounting system and method ) 是由 徐迈 任文韬 李旭伟 李志光 于 2021-06-29 设计创作，主要内容包括：本发明公开了一种基于机器视觉的精密贴装系统及方法,包括机体,所述机体的内部设置有送料组件、输送组件、下视觉定位组件、上视觉定位组件、贴装组件和保压组件。通过人工将产品放入输送组件内进行输送,扫码枪自动扫描读取产品物料编码并自动对产品进行保压,并通过精密调压阀控制保压压力,送料组件自动对泡棉进行输送,贴装组件通过第一相机和第二相机自动定位进行取料贴装,第一相机定位贴装位置,第二相机定位泡棉拾取位置,系统能够自动计算并对产品和泡棉进行校准,无需人工进行贴合,而且压力传感器能够反馈贴合力度,防止产品损伤,提高了生产效率的同时提高了产品的质量,同时本发明还提供应用该系统的方法。(The invention discloses a machine vision-based precise mounting system and a machine vision-based precise mounting method. The product is manually placed into the conveying assembly for conveying, the code scanning gun automatically scans and reads the product material codes and automatically maintains the pressure of the product, the pressure maintaining pressure is controlled through the precision pressure regulating valve, the feeding assembly automatically conveys foam, the mounting assembly automatically positions through the first camera and the second camera to take and mount the material, the first camera positions the mounting position, the second camera positions the foam picking position, the system can automatically calculate and calibrate the product and the foam, manual fitting is not needed, the pressure sensor can feed back the fitting force, product damage is prevented, the production efficiency is improved, and the product quality is improved.)

1. The utility model provides a precision pastes dress system based on machine vision, includes the organism, its characterized in that: the machine body is internally provided with a feeding assembly, a conveying assembly, a lower visual positioning assembly, an upper visual positioning assembly, a mounting assembly and a pressure maintaining assembly;

the direction of pay-off subassembly and the direction mutually perpendicular of conveying subassembly, the pressurize subassembly sets up in the top of conveying subassembly, paste dress subassembly and set up in the top of pay-off subassembly and conveying subassembly, it sets up on pasting dress subassembly to go up visual positioning subassembly, visual positioning subassembly sets up between pay-off subassembly and conveying subassembly down.

2. The machine-vision-based precision placement system according to claim 1, wherein: pay-off subassembly includes curb plate, stripping knife, non-stick bonding flitch, material loading book, initiative traction shaft and receives the material book from type paper, the internally mounted of organism has two sets of curb plates, one of them is a set of the surface rotation of curb plate is connected with the initiative and pulls the axle, the surface mounting of curb plate is rolled up the material loading and is rolled up from the type paper and roll up, and is two sets of stripping knife and non-stick bonding flitch are installed to the top of curb plate, are close to in a set of pressurize subassembly the surface mounting of curb plate has the optic fibre of coming material.

3. The machine-vision-based precision placement system according to claim 1, wherein: conveying assembly includes the connecting plate, blocks cylinder, side location cylinder, back location cylinder and power conveyer belt, the surface mounting of organism has two sets of connecting plates, and is two sets of the surface mounting of connecting plate has power conveyer belt, and is two sets of the surface mounting of connecting plate has side location cylinder, and is two sets of be provided with between the connecting plate and block cylinder, jacking cylinder and back location cylinder.

4. The machine-vision-based precision placement system according to claim 1, wherein: the pressurize subassembly includes accurate air-vent valve, the electronic slide rail of third, pressurize cylinder, linear guide, link and the cotton pressure retaining head of bubble, the electronic slide rail of third is installed through the frame in the surface of organism, the surface mounting of the electronic slide rail slider of third has the link, accurate air-vent valve and linear guide are installed at the top of link, the output that pressurize cylinder and pressurize cylinder were installed at linear guide's top links to each other with linear guide's slider, the cotton pressure retaining head of bubble is installed in the bottom of linear guide slider, the cotton pressure retaining head of bubble sets up in the top of carrying the subassembly.

5. The machine-vision-based precision placement system according to claim 1, wherein: paste dress subassembly includes the cotton suction nozzle of bubble, rotating electrical machines, pressure sensor, first electronic slide rail and the electronic slide rail of second, the surface of organism is fixed with the electronic slide rail of second through the frame, the side-mounting of the electronic slide rail slider of second has first electronic slide rail, the surface mounting of first electronic slide rail slider has the rotating electrical machines, the output of rotating electrical machines is connected with the cotton suction nozzle of bubble, pressure sensor is installed at the top of the cotton suction nozzle of bubble.

6. The machine-vision-based precision placement system according to claim 1, wherein: the lower visual positioning assembly comprises a second camera, a second lens and a second light source, the surface of the machine body is provided with the second camera, the second lens is installed at the top of the second camera, and the second light source is arranged at the top of the second lens.

7. The machine-vision-based precision placement system according to claim 5, wherein: go up visual positioning component and include first camera, first camera lens and first light source, the side-mounting of second slide rail slider has first camera, first camera lens is installed to the bottom of first camera, the bottom of first camera lens is provided with first light source.

8. The machine-vision-based precision placement system according to claim 1, wherein: the inside of organism is provided with NG material collection component, NG material collection component includes that the negative pressure vacuum inhales the material mouth and collects the box, the negative pressure vacuum inhales the material mouth and collects the box and sets up between pay-off subassembly and lower visual positioning component, the negative pressure vacuum inhales the material mouth and collects the box and installs inside the organism, the negative pressure vacuum inhales the material mouth and communicates inside collecting the box.

9. The machine-vision-based precision placement system according to claim 1, wherein: a yard rifle is swept in the inside of organism through the pole setting installation, the surface of pole setting is provided with the third camera lens.

10. A precision mounting method based on machine vision is characterized in that: the method comprises the following steps:

s1, feeding, wherein the assembly line jig is manually taken onto a power conveying line and flows into the machine body through the power conveying line, the jig sends code scanning record information when passing through a code scanning gun, then a foam cotton roll material cylinder is manually installed on an upper material roll, a motor drives a driving traction rod to rotate to convey foam cotton, and the foam cotton is peeled at the top of a non-stick adhesive material plate through a stripping knife during conveying;

s2, maintaining pressure, wherein when the jig moves to the position below the foam pressure maintaining head, the stopping cylinder acts to stop the jig, then the jacking cylinder acts to jack the jig, meanwhile, the rear positioning cylinder acts to clamp the jig, at the moment, the stopping cylinder resets, the two groups of side positioning cylinders act to clamp the jig, then the third electric slide rail drives the connecting frame to move downwards, the pressure maintaining cylinder acts, and the foam pressure maintaining head is driven by the linear guide rail to maintain pressure on the jig;

s3, attaching, wherein when the jig is detected by incoming optical fibers, the jig is clamped through a side positioning cylinder and a rear positioning cylinder, at the moment, the first camera shoots the position of the foam to obtain the shape and the position of the foam, then a second electric slide rail acts to drive a rotary motor and a foam suction nozzle to move downwards and suck the foam through the foam suction nozzle, after the suction is finished, the first electric slide rail acts to drive the foam suction nozzle to move towards the direction of a power transmission line, when the foam suction nozzle passes through the upper part of the second camera, the second camera shoots the foam to obtain the shape and the position of the sucked foam, the rotary motor drives the foam suction nozzle to rotate to adjust the position, then the first electric slide rail drives the foam suction nozzle to move to the upper part of the jig, and the second electric slide rail drives the foam suction nozzle to move downwards to attach the foam and the jig;

s4 and discharging, wherein the foam is photographed by the first camera after the foam is attached, so that the obtained attaching position is rechecked, the jig is continuously conveyed by the power conveying belt, and the jig is prevented from manually discharging by the blocking cylinder.

Technical Field

The invention belongs to the technical field of foam mounting, and particularly relates to a precision mounting system and method based on machine vision.

Background

The foam is a material foamed by plastic particles and is divided into PU foam, antistatic foam, conductive foam, EPE, antistatic EPE, CR, EVA, bridging PE, SBR, EPDM and the like, the foam has a series of characteristics of elasticity, light weight, quick pressure-sensitive fixation, convenient use, free bending, ultrathin volume, reliable performance and the like, and the material can be used in the production process of some electronic products; .

The prior art group is mostly the mode of manual laminating to the laminating of bubble cotton and electronic product, and step-by-step inefficiency of this kind of mode, and the human cost is too high, can have the inaccurate problem of location moreover to lead to final product's quality lower.

Therefore, a precision mounting system and a precision mounting method based on machine vision are provided to solve the problems in the prior art, so that the production work efficiency of electronic products is improved, the production cost is reduced, and the quality of final products is improved.

Disclosure of Invention

The invention aims to provide a machine vision-based precise mounting system and a machine vision-based precise mounting method, which are used for solving the problems of low working efficiency and low product quality in the prior art.

In order to achieve the purpose, the invention adopts the following technical scheme: a precision mounting system based on machine vision comprises a machine body, wherein a feeding assembly, a conveying assembly, a lower visual positioning assembly, an upper visual positioning assembly, a mounting assembly and a pressure maintaining assembly are arranged in the machine body;

the direction of pay-off subassembly and the direction mutually perpendicular of conveying subassembly, the pressurize subassembly sets up in the top of conveying subassembly, paste dress subassembly and set up in the top of pay-off subassembly and conveying subassembly, it sets up on pasting dress subassembly to go up visual positioning subassembly, visual positioning subassembly sets up between pay-off subassembly and conveying subassembly down.

Preferably, the pay-off subassembly includes curb plate, stripping cutter, non-stick adhesive flitch, material loading book, initiative traction shaft and is rolled up from type paper receipts, the internally mounted of organism has two sets of curb plates, and wherein a set of the surface rotation of curb plate is connected with the initiative and pulls the axle, the surface mounting of curb plate is rolled up and is rolled up from type paper receipts, and is two sets of stripping cutter and non-stick adhesive flitch are installed to the top of curb plate, are close to in a set of pressurize subassembly the surface mounting of curb plate has supplied materials optic fibre.

Preferably, conveying assembly includes the connecting plate, blocks cylinder, side location cylinder, back location cylinder and power conveyer belt, the surface mounting of organism has two sets of connecting plates, and is two sets of the surface mounting of connecting plate has power conveyer belt, and is two sets of the surface mounting of connecting plate has side location cylinder, and is two sets of be provided with between the connecting plate and block cylinder, jacking cylinder and back location cylinder.

Preferably, the pressurize subassembly includes accurate air-vent valve, the electronic slide rail of third, pressurize cylinder, linear guide, link and the cotton pressure retaining head of bubble, the electronic slide rail of third is installed through the rack-mount to the surface of organism, the surface mounting of the electronic slide rail slider of third has the link, accurate air-vent valve and linear guide are installed at the top of link, the output that pressurize cylinder and pressurize cylinder were installed at linear guide's top links to each other with linear guide's slider, the cotton pressure retaining head of bubble is installed in the bottom of linear guide slider, the cotton pressure retaining head of bubble sets up in the top of carrying the subassembly.

Preferably, paste dress subassembly includes the cotton suction nozzle of bubble, rotating electrical machines, pressure sensor, first electronic slide rail and the electronic slide rail of second, the surface of organism is fixed with the electronic slide rail of second through the frame, the side-mounting of the electronic slide rail slider of second has first electronic slide rail, the surface mounting of first electronic slide rail slider has the rotating electrical machines, the output of rotating electrical machines is connected with the cotton suction nozzle of bubble, pressure sensor is installed at the top of the cotton suction nozzle of bubble.

Preferably, the lower visual positioning assembly comprises a second camera, a second lens and a second light source, the second camera is mounted on the surface of the machine body, the second lens is mounted on the top of the second camera, and the second light source is arranged on the top of the second lens.

Preferably, go up visual positioning assembly and include first camera, first camera lens and first light source, first camera is installed to the side of second slide rail slider, first camera lens is installed to the bottom of first camera, the bottom of first camera lens is provided with first light source.

Preferably, the inside of organism is provided with NG material collection component, NG material collection component includes that the negative pressure vacuum inhales the material mouth and collects the box, the negative pressure vacuum inhales the material mouth and collects the box and sets up between pay-off subassembly and lower visual positioning component, the negative pressure vacuum inhales the material mouth and collects the box and installs inside the organism, the negative pressure vacuum inhales the material mouth and communicates inside collecting the box.

Preferably, a yard of guns is swept to the inside of organism through the pole setting is installed, the surface of pole setting is provided with the third camera lens.

According to a machine vision-based precision mounting system, a machine vision-based precision mounting method is provided, and the method comprises the following steps:

s1, feeding, wherein the assembly line jig is manually taken onto a power conveying line and flows into the machine body through the power conveying line, the jig sends code scanning record information when passing through a code scanning gun, then a foam cotton roll material cylinder is manually installed on an upper material roll, a motor drives a driving traction rod to rotate to convey foam cotton, and the foam cotton is peeled at the top of a non-stick adhesive material plate through a stripping knife during conveying;

s2, maintaining pressure, wherein when the jig moves to the position below the foam pressure maintaining head, the stopping cylinder acts to stop the jig, then the jacking cylinder acts to jack the jig, meanwhile, the rear positioning cylinder acts to clamp the jig, at the moment, the stopping cylinder resets, the two groups of side positioning cylinders act to clamp the jig, then the third electric slide rail drives the connecting frame to move downwards, the pressure maintaining cylinder acts, and the foam pressure maintaining head is driven by the linear guide rail to maintain pressure on the jig;

s3, attaching, wherein when the jig is detected by incoming optical fibers, the jig is clamped through a side positioning cylinder and a rear positioning cylinder, at the moment, the first camera shoots the position of the foam to obtain the shape and the position of the foam, then a second electric slide rail acts to drive a rotary motor and a foam suction nozzle to move downwards and suck the foam through the foam suction nozzle, after the suction is finished, the first electric slide rail acts to drive the foam suction nozzle to move towards the direction of a power transmission line, when the foam suction nozzle passes through the upper part of the second camera, the second camera shoots the foam to obtain the shape and the position of the sucked foam, the rotary motor drives the foam suction nozzle to rotate to adjust the position, then the first electric slide rail drives the foam suction nozzle to move to the upper part of the jig, and the second electric slide rail drives the foam suction nozzle to move downwards to attach the foam and the jig;

s4 and discharging, wherein the foam is photographed by the first camera after the foam is attached, so that the obtained attaching position is rechecked, the jig is continuously conveyed by the power conveying belt, and the jig is prevented from manually discharging by the blocking cylinder.

The invention has the technical effects and advantages that: compared with the prior art, the precision mounting system and method based on machine vision provided by the invention have the following advantages:

put into the conveying component through the manual work and carry the product, sweep yard rifle automatic scanning and read product material code and carry out the pressurize to the product automatically, and control the pressurize pressure through accurate pressure regulator valve, the pay-off subassembly is automatic to bubble cotton and carry, the dress subassembly is got the material dress through first camera and second camera automatic positioning, first camera location dress position, the cotton position of picking up of second camera location bubble, the system can automatic calculation and calibrate product and bubble cotton, need not the manual work and laminate, and pressure sensor can feed back the laminating dynamics, prevent the product damage, the quality of product has been improved when having improved production efficiency.

Drawings

FIG. 1 is a schematic view of the main structure of the present invention;

FIG. 2 is a schematic view of the internal structure of the present invention;

FIG. 3 is a schematic structural view of a main body of the feeding assembly of the present invention; (ii) a

FIG. 4 is a schematic view of a main structure of a mounting assembly according to the present invention;

FIG. 5 is a schematic view of the main structure of the conveying assembly of the present invention;

FIG. 6 is a schematic diagram of a main structure of the pressure maintaining assembly of the present invention;

FIG. 7 is a schematic structural diagram of a main body of the lower visual positioning assembly of the present invention;

FIG. 8 is a schematic view of the main structure of the code scanning gun according to the present invention;

fig. 9 is a schematic view of the main structure of the NG material collecting mechanism of the present invention.

In the figure: 1. a body; 2. a feeding assembly; 3. a delivery assembly; 4. an NG material collection assembly; 5. a lower vision positioning assembly; 6. an upper visual positioning assembly; 7. mounting a component; 8. a pressure maintaining component; 9. a side plate; 10. a stripping knife; 11. a non-stick adhesive bonding plate; 12. feeding a material roll; 13. a driving traction shaft; 14. a release paper roll; 15. a foam suction nozzle; 16. a rotating electric machine; 17. a pressure sensor; 18. a first electric slide rail; 19. a second electric slide rail; 20. a first camera; 21. a first lens; 22. a first light source; 23. a connecting plate; 24. a blocking cylinder; 25. a side positioning cylinder; 26. a rear positioning cylinder; 27. a power transmission belt; 28. a precision pressure regulating valve; 29. a third electric slide rail; 30. a pressure maintaining cylinder; 31. a linear guide rail; 32. a connecting frame; 33. a foam pressure maintaining head; 34. a second camera; 35. a second lens; 36. a second light source; 37. a third lens; 38. a code scanning gun; 39. a negative pressure vacuum material sucking port; 40. and (4) collecting the box.

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. The specific embodiments described herein are merely illustrative of the invention and do not delimit the invention. 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 provides a precision mounting system based on machine vision, which comprises a machine body 1, wherein a feeding component 2, a conveying component 3, a lower visual positioning component 5, an upper visual positioning component 6, a mounting component 7 and a pressure maintaining component 8 are arranged in the machine body 1;

the direction of the feeding assembly 2 is vertical to the direction of the conveying assembly 3, the pressure maintaining assembly 8 is arranged above the conveying assembly 3, the mounting assembly 7 is arranged above the feeding assembly 2 and the conveying assembly 3, the upper visual positioning assembly 6 is arranged on the mounting assembly 7, and the lower visual positioning assembly 5 is arranged between the feeding assembly 2 and the conveying assembly 3;

the feeding assembly 2 comprises side plates 9, a stripping knife 10, a non-stick adhesive material plate 11, a feeding coil 12, a driving traction shaft 13 and a release paper material collecting coil 14, two groups of side plates 9 are arranged inside the machine body 1, the surface of one group of side plates 9 is rotatably connected with the driving traction shaft 13, the surface of the side plates 9 is provided with the feeding coil 12 and the release paper material collecting coil 14, the tops of the two groups of side plates 9 are provided with the stripping knife 10 and the non-stick adhesive material plate 11, and the surface of one group of side plates 9 close to the pressure maintaining assembly 8 is provided with supplied optical fibers;

the conveying assembly 3 comprises connecting plates 23, blocking cylinders 24, side positioning cylinders 25, rear positioning cylinders 26 and power conveying belts 27, two groups of connecting plates 23 are mounted on the surface of the machine body 1, the power conveying belts 27 are mounted on the surfaces of the two groups of connecting plates 23, the side positioning cylinders 25 are mounted on the surfaces of the two groups of connecting plates 23, and the blocking cylinders 24, the jacking cylinders and the rear positioning cylinders 26 are arranged between the two groups of connecting plates 23;

the pressure maintaining assembly 8 comprises a precise pressure regulating valve 28, a third electric slide rail 29, a pressure maintaining cylinder 30, a linear guide rail 31, a connecting frame 32 and a foam pressure maintaining head 33, the third electric slide rail 29 is mounted on the surface of the machine body 1 through a rack, the connecting frame 32 is mounted on the surface of a slide block of the third electric slide rail 29, the precise pressure regulating valve 28 and the linear guide rail 31 are mounted at the top of the connecting frame 32, the pressure maintaining cylinder 30 is mounted at the top of the linear guide rail 31, the output end of the pressure maintaining cylinder 30 is connected with the slide block of the linear guide rail 31, the foam pressure maintaining head 33 is mounted at the bottom of the slide block of the linear guide rail 31, and the;

the surface mounting component 7 comprises a foam suction nozzle 15, a rotating motor 16, a pressure sensor 17, a first electric slide rail 18 and a second electric slide rail 19, the surface of the machine body 1 is fixed with the second electric slide rail 19 through a rack, the side surface of a slide block of the second electric slide rail 19 is provided with the first electric slide rail 18, the surface of the slide block of the first electric slide rail 18 is provided with the rotating motor 16, the output end of the rotating motor 16 is connected with the foam suction nozzle 15, and the top of the foam suction nozzle 15 is provided with the pressure sensor 17;

the lower visual positioning assembly 5 comprises a second camera 34, a second lens 35 and a second light source 36, the second camera 34 is mounted on the surface of the machine body 1, the second lens 35 is mounted on the top of the second camera 34, and the second light source 36 is arranged on the top of the second lens 35;

the upper visual positioning assembly 6 comprises a first camera 20, a first lens 21 and a first light source 22, the first camera 20 is mounted on the side surface of the second slide rail slider, the first lens 21 is mounted at the bottom of the first camera 20, and the first light source 22 is arranged at the bottom of the first lens 21;

the NG material collecting assembly 4 is arranged inside the machine body 1, the NG material collecting assembly 4 comprises a negative pressure vacuum suction port 39 and a collecting box 40, the negative pressure vacuum suction port 39 and the collecting box 40 are arranged between the feeding assembly 2 and the lower visual positioning assembly 5, the negative pressure vacuum suction port 39 and the collecting box 40 are arranged inside the machine body 1, and the negative pressure vacuum suction port 39 is communicated with the inside of the collecting box 40;

a yard-sweeping gun 38 is installed inside the machine body 1 through a vertical rod, and a third lens 37 is arranged on the surface of the vertical rod.

The precision mounting method based on the machine vision is provided through a precision mounting system based on the machine vision, and comprises the following steps:

s1, feeding, wherein the assembly line jig is manually taken onto a power conveying line and flows into the machine body through the power conveying line, the jig sends code scanning record information when passing through a code scanning gun, then a foam cotton roll material cylinder is manually installed on an upper material roll, a motor drives a driving traction rod to rotate to convey foam cotton, and the foam cotton is peeled at the top of a non-stick adhesive material plate through a stripping knife during conveying;

s2, maintaining pressure, wherein when the jig moves to the position below the foam pressure maintaining head, the stopping cylinder acts to stop the jig, then the jacking cylinder acts to jack the jig, meanwhile, the rear positioning cylinder acts to clamp the jig, at the moment, the stopping cylinder resets, the two groups of side positioning cylinders act to clamp the jig, then the third electric slide rail drives the connecting frame to move downwards, the pressure maintaining cylinder acts, and the foam pressure maintaining head is driven by the linear guide rail to maintain pressure on the jig;

s3, attaching, wherein when the jig is detected by incoming optical fibers, the jig is clamped through a side positioning cylinder and a rear positioning cylinder, at the moment, the first camera shoots the position of the foam to obtain the shape and the position of the foam, then a second electric slide rail acts to drive a rotary motor and a foam suction nozzle to move downwards and suck the foam through the foam suction nozzle, after the suction is finished, the first electric slide rail acts to drive the foam suction nozzle to move towards the direction of a power transmission line, when the foam suction nozzle passes through the upper part of the second camera, the second camera shoots the foam to obtain the shape and the position of the sucked foam, the rotary motor drives the foam suction nozzle to rotate to adjust the position, then the first electric slide rail drives the foam suction nozzle to move to the upper part of the jig, and the second electric slide rail drives the foam suction nozzle to move downwards to attach the foam and the jig;

s4 and discharging, wherein the foam is photographed by the first camera after the foam is attached, so that the obtained attaching position is rechecked, the jig is continuously conveyed by the power conveying belt, and the jig is prevented from manually discharging by the blocking cylinder.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.