CN115646846A - Detection equipment for 3C product - Google Patents

Abstract

The invention provides detection equipment for a 3C product, which belongs to the field of 3C product detection and comprises a feeding mechanism, a discharging mechanism, a carrying mechanism, a limiting mechanism, a conveying mechanism and a detection mechanism. The carrying mechanism is used for picking up products and conveying the products, the carrying mechanism comprises a first carrying module and a second carrying module, the limiting mechanism is used for limiting the position of the products to be detected, and the detecting mechanism is used for carrying out image acquisition on the products on the limiting mechanism. According to the detection equipment, the first conveying module is used for crossing the feeding mechanism, the limiting mechanism and the detection mechanism, the second conveying module is used for crossing the limiting mechanism, the detection mechanism and the discharging mechanism, and the conveying mechanism is used for conveying the limiting mechanism, so that the detection efficiency of the detection equipment is improved due to the mutual matching of the first conveying module, the second conveying module and the conveying mechanism.

Description

Detection equipment for 3C product

Technical Field

The invention relates to the field of 3C product detection, in particular to detection equipment for 3C products.

Background

The 3C product is a combination of a Computer (Computer), a Communication (Communication) product and a Consumer Electronics product (Consumer Electronics), and is also called an "information appliance". Along with the increasing requirements of people on 3C products, the precision requirement of the 3C products in the production and manufacturing process is also increased.

The high precision requirement of 3C products is also embodied in the detection of semi-finished products and finished products, such as: the edge of the product is overflowed with glue and the scratch and the bad point on the surface of the product, and how to finish the detection of the product with high efficiency is urgent to solve.

Disclosure of Invention

In view of the above, an object of the present invention is to provide a detection apparatus for 3C products with high efficiency.

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

according to the detection device for the 3C product of the embodiment of the invention, the detection device comprises:

the feeding mechanism is used for feeding the product to be detected;

the blanking mechanism is used for blanking the detected product;

the carrying mechanism comprises a first carrying module and a second carrying module, the first carrying module is used for picking and conveying the products to be detected on the feeding mechanism, and the second carrying module is used for picking and conveying the products which are detected;

the first carrying module is used for picking up the products to be detected on the feeding mechanism and transmitting the products to be detected to the limiting mechanism, and the second carrying module is used for picking up the products which are detected on the limiting mechanism and transmitting the products to be detected to the blanking mechanism;

the conveying mechanism is used for moving the limiting mechanism from the position corresponding to the first conveying module to the position corresponding to the second conveying module, and the conveying direction of the conveying mechanism is perpendicular to the conveying direction of the first conveying module and the second conveying module;

the detection mechanism is used for carrying out image acquisition on the product on the limiting mechanism, the first carrying module spans the feeding mechanism, the limiting mechanism and the detection mechanism, and the second carrying module spans the limiting mechanism, the detection mechanism and the discharging mechanism.

Further, the first carrying module comprises:

the picking module comprises a first picking assembly and a second picking assembly, the first picking assembly and the second picking assembly can move relatively, and the first picking assembly and the second picking assembly are used for picking two products on the feeding mechanism simultaneously;

the first conveying module is used for conveying the two products picked up by the first picking assembly and the second picking assembly to the two limiting mechanisms respectively, and the first picking assembly and the second picking assembly move back to back so that the distance between the two products picked up by the first picking assembly and the second picking assembly is matched with the distance between the two limiting mechanisms.

Further, stop gear includes:

the first carrying platform is provided with a transparent detection surface for placing a product;

the driving module is arranged on the first carrying platform;

the limiting module is connected with the driving module, and the limiting module is used for moving the edge of the product on the detection surface to be close to or away from under the driving force of the driving module.

Furthermore, the driving module comprises a first driving piece and a second driving piece, the limiting module comprises a first limiting piece, a second limiting piece, a third limiting piece and a fourth limiting piece, the first limiting piece, the second limiting piece and the first driving piece are connected, the third limiting piece, the fourth limiting piece and the second driving piece are connected, the first limiting piece and the second limiting piece are in butt joint with each other or far away from two adjacent sides of a product under the driving force of the first driving piece, and simultaneously the third limiting piece and the fourth limiting piece are close to or far away from two adjacent sides of the product under the driving force of the second driving piece.

Further, the detection mechanism includes:

the conveying mechanism is arranged on the base platform;

the camera module comprises a camera support and a plurality of cameras, the camera support is fixedly arranged on the base platform, the cameras are arranged on the camera support and positioned above the limiting mechanism, and the cameras are used for acquiring image information of different edge areas of the product;

the light source module is located below the camera module and used for illuminating the product when the camera collects image information of the product.

Further, a plurality of the cameras include a first camera, a second camera, a third camera and a fourth camera, the first camera, the second camera, the third camera and the fourth camera are arranged in a staggered mode and are mounted on the camera support, and the first camera, the second camera, the third camera and the fourth camera are used for collecting four different edge areas on the product.

Further, the camera support includes:

the camera fixing piece is used for mounting the camera, and a first mounting hole and a second mounting hole are formed in the camera fixing piece;

the first adjusting piece comprises a first adjusting plate and a first locking piece, a plurality of first adjusting holes are formed in the first adjusting plate, the first adjusting holes can be matched with the first mounting holes, and the first locking piece penetrates through the first adjusting holes to be matched with the first mounting holes, so that the camera fixing piece abuts against different positions on the first adjusting plate;

the second adjusting piece comprises a second adjusting plate and a second locking piece, a plurality of second adjusting holes are formed in the second adjusting plate and can be matched with the second mounting holes, and the second locking piece penetrates through the second adjusting holes and is matched with the second mounting holes, so that the first adjusting plate is abutted to different positions on the second adjusting plate; wherein a radial direction of the first regulation hole is perpendicular to a radial direction of the second regulation hole.

Further, the light source module comprises a plurality of light source assemblies, the light source assemblies are arranged on the limiting mechanism, and the light source assemblies surround the limited product on the limiting mechanism so as to illuminate the product from the side upper part of the product;

the light source assembly includes:

the light source supporting frame is fixedly arranged on the limiting mechanism;

the angle of the light source is adjustable, and the light source is arranged on the light source supporting frame, so that the light sources irradiate the area to be detected of the product.

Further, the light source module further includes:

the annular light sources are fixedly connected with the camera and used for illuminating the product from the position right above the product when the camera collects the image information of the product.

Further, the light source module further includes:

the backlight source is positioned below the product and is arranged on the limiting mechanism, and the backlight source is used for irradiating the product from the lower surface of the product.

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

the invention discloses detection equipment for 3C products, which utilizes a first carrying module to cross over a feeding mechanism, a limiting mechanism and a detection mechanism, utilizes a second carrying module to cross over the limiting mechanism, the detection mechanism and a discharging mechanism, and utilizes a transmission mechanism to transmit the limiting mechanism, and the first carrying module, the second carrying module and the transmission mechanism are matched with each other to improve the detection efficiency of the detection equipment.

Drawings

FIG. 1 is a top view of the overall structure of a detection apparatus for 3C products according to an embodiment of the present invention;

FIG. 2 is a perspective view of the overall structure of the inspection apparatus for 3C products according to the embodiment of the present invention;

FIG. 3 is a schematic structural diagram of a feeding mechanism in a detection apparatus for a 3C product according to an embodiment of the present invention;

FIG. 4 is a schematic structural diagram of a conveying mechanism in an inspection apparatus for 3C products according to an embodiment of the present invention;

FIG. 5 is an enlarged view taken at A in FIG. 4;

fig. 6 is a schematic structural diagram of a limiting mechanism in a detection apparatus for a 3C product according to an embodiment of the present invention;

fig. 7 is a schematic partial structural view of a limiting mechanism in a detection apparatus for a 3C product according to an embodiment of the present invention;

FIG. 8 is an enlarged view at B of FIG. 7;

FIG. 9 is a schematic structural diagram of a detection mechanism in the detection apparatus for 3C products according to the embodiment of the present invention;

fig. 10 is a schematic structural diagram of a camera module in an inspection apparatus for 3C products according to an embodiment of the present invention;

fig. 11 is a schematic structural diagram of positions of a first camera, a second camera, a third camera, a fourth camera and a product in the detection apparatus for a 3C product according to the embodiment of the present invention;

fig. 12 is a schematic diagram of edge areas acquired on a product by a first camera, a second camera, a third camera and a fourth camera in the detection apparatus for a 3C product according to the embodiment of the present invention;

fig. 13 is a schematic structural view of a light source module and a limiting mechanism in a detection apparatus for a 3C product according to an embodiment of the present invention;

FIG. 14 is a top view of a first light source assembly and a second light source assembly in an inspection apparatus for 3C products according to an embodiment of the present disclosure;

FIG. 15 is a schematic diagram illustrating a light source assembly in an inspection apparatus for 3C products according to an embodiment of the present invention;

FIG. 16 is a schematic structural diagram of a ring light source in an inspection apparatus for 3C products according to an embodiment of the present invention;

fig. 17 is a schematic structural view of a limiting mechanism, a backlight source, and a PS diffusion plate in a detection apparatus for 3C products according to an embodiment of the present invention;

fig. 18 is a schematic structural diagram of a detection surface, a PS diffusion plate, and a product in the detection apparatus for 3C products according to the embodiment of the present invention.

Reference numerals:

a. producing a product; b. an edge region; b1, an overlapping area; 1. a feeding mechanism; 10. a loading platform;

2a, a first carrying module; 2b, a second carrying module; 21. a first support column; 221. a first picking assembly; 2211. a third driving member; 2212. a first moving member; 2213. a fourth drive; 2214. a vacuum generator; 2215. an adsorption head; 222. a second picking assembly; 2221. a third moving member; 2222. a fourth moving member; 2223. a second pick-up head; 223. a second connecting plate; 23. a first transmission module; 231. a first drive assembly; 232. a first slide rail; 24. a first connecting plate;

3. a limiting mechanism; 30. a first stage; 301. detecting a surface; 31. a first driving member; 32. a second limiting member; 33. a first limit piece; 331. a first limit post; 332. a first connection block; 333. a first movable bar; 334. a second limit post; 34. a third limiting member; 35. a second support column; 36. a second stage; 360. a first hollowed-out region; 37. a first moving plate; 371. a first kidney-shaped hole; 372. a second kidney-shaped hole; 38. a first guide member; 381. a third slide rail; 382. a third slider; 39. a second guide member; 391. a second slide rail; 392. a second slider;

4. a camera module; 4a, a camera; 4a1, a first camera, 4a2, a second camera; 4a3, a third camera; 4a4, a fourth camera; 40. a camera support; 41. a camera mount; 42. a first adjusting plate; 421. a first adjustment aperture; 43. a second adjusting plate; 44. a third adjusting member; 441. a nut; 442. a third locking member; 443. a screw; 45. a connecting rod;

5. a light source module; 5a, a light source assembly; 52a, a first light source assembly; 52b, a second light source assembly; 521. a light source; 522. a light source support frame; 522a, a support rod; 522b, a first fixed block; 522c, a first regulating block; 522d, first mounting holes; 522e, arc through holes; 5b, a ring-shaped light source; 5c, a PS diffusion plate; 5d, a backlight source; 6. a blanking mechanism; 7. a transport mechanism; 8. a base station.

Detailed Description

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

The 3C product related in the embodiment of the present invention includes a mobile phone, a notebook computer, a tablet, and the like, and the embodiment of the present invention is described by taking the mobile phone as an example.

The embodiment of the invention provides detection equipment for a 3C product, which utilizes a first carrying module 2a to pick up a product a to be detected from a feeding mechanism 1 and transmit the product a to a limiting mechanism 3, utilizes a transmission mechanism 7 to transmit the limiting mechanism 3 to the detection mechanism, so that the detection mechanism carries out image acquisition on the product on the limiting mechanism 3, and utilizes a second carrying module 2b to pick up the detected product from the limiting mechanism 3 and transmit the product to a blanking mechanism 6, so that the blanking mechanism 6 carries out blanking on the detected product a.

A detection apparatus for a 3C product according to an embodiment of the present invention will be described in detail with reference to the accompanying drawings.

Specifically, as shown in fig. 1 and fig. 2, the detection equipment for 3C products according to the embodiment of the present invention includes a feeding mechanism 1, a discharging mechanism 6, a carrying mechanism, a limiting mechanism 3, a conveying mechanism 7, and a detection mechanism.

Wherein, the feeding mechanism 1 is used for feeding the product a to be detected. The blanking mechanism 6 is used for blanking the detected product a.

The carrying mechanism comprises a first carrying module 2a and a second carrying module 2b, the first carrying module 2a is used for picking up and conveying the products to be detected on the feeding mechanism 1, and the second carrying module 2b is used for picking up and conveying the products which are detected.

Limiting mechanism 3 is used for prescribing a limit to the position of treating the product that detects, and first transport module 2a picks up and conveys the product that detects on the feed mechanism 1 to limiting mechanism 3, and second transport module 2b picks up and conveys the product that accomplishes the detection on the limiting mechanism 3 to unloading mechanism 6.

The conveying mechanism 7 is used for moving the limiting mechanism 3 from the position corresponding to the first conveying module 2a to the position corresponding to the second conveying module 2b, and the conveying direction of the conveying mechanism 7 is perpendicular to the conveying direction of the first conveying module 2a and the second conveying module 2 b.

Detection mechanism is used for carrying out image acquisition to the product on the stop gear 3, and first transport module 2a spanes feed mechanism 1, stop gear 3 and detection mechanism, and second transport module 2b spanes stop gear 3, detection mechanism and unloading mechanism 6.

The detection equipment comprises a feeding mechanism 1, a first carrying module 2a, a limiting mechanism 3, a conveying mechanism 7, a second carrying module 2b, a discharging mechanism 6 and a detection mechanism 3, wherein the feeding mechanism 1 is used for conveying a product to be detected to a preset position, the first carrying module 2a is used for picking and conveying the product to be detected on the feeding mechanism 1, the limiting mechanism 3 is used for limiting the position of the product to be detected, the conveying mechanism 7 is used for conveying the limiting mechanism 3 to a position corresponding to the detection mechanism, so that the detection mechanism detects the product on the limiting mechanism 3, after the product is detected, the product which is detected on the limiting mechanism 3 is picked and conveyed to the discharging mechanism 6 by the second carrying module 2b, and the discharging mechanism 6 is used for discharging the product.

First, the first and second carrying modules 2a and 2b will be described in detail as shown in fig. 3 to 5.

The first carrying module 2a and the second carrying module 2b have the same structure, and the first carrying module 2a and the second carrying module 2b are respectively used for carrying the products to be detected and carrying the products to be detected.

Specifically, as shown in fig. 3 to 5, the first carrying module 2a includes a picking module and a first transferring module 23.

The picking module comprises a first picking assembly 221 and a second picking assembly 222, the first picking assembly 221 and the second picking assembly 222 can move relatively, and the first picking assembly 221 and the second picking assembly 222 are used for picking up two products a on the loading platform 10 of the loading mechanism at the same time.

The first conveying module 23 is installed on the first support column 21, the first conveying module 23 is used for conveying the two products picked up by the first picking assembly 221 and the second picking assembly 222 to the two limiting mechanisms 3 respectively, and the first picking assembly 221 and the second picking assembly 222 can move back to back, so that the distance between the two products picked up by the first picking assembly 221 and the second picking assembly 222 is matched with the distance between the two limiting mechanisms 3.

That is, one end of the first conveying module 23 is located at the loading platform 10, and the other end is located above the limiting mechanism 3, and the first conveying module 23 is used to convey the product a on the loading platform 10 to the limiting mechanism 3.

In order to improve detection efficiency and be equipped with two stop gear 3 in detection mechanism below correspondence, and be used for detecting the device of product so the distance between two stop gear 3 is great based on needs installation, and the distance between the two products of placing on material loading microscope carrier 10 can be very little, if correspond the distance between two stop gear 3 with the distance between two products on material loading microscope carrier 10 and will greatly increase the volume of material loading microscope carrier 10, greatly increased material loading microscope carrier 10's occupation space.

The embodiment of the invention solves the above problem by using the two first picking assembly 221 and the second picking assembly 222 which can move relatively, that is, when the picking module is at the loading platform 10, the distance between the first picking assembly 221 and the second picking assembly 222 matches the distance between two products on the loading platform 10, when the first picking assembly 221 and the second picking assembly 222 are conveyed to the position limiting mechanism 3, the first picking assembly 221 and the second picking assembly 222 move back to make the distance between two products picked by the first picking assembly 221 and the second picking assembly 222 match the distance between the two position limiting mechanisms 3, so that the first picking assembly 221 and the second picking assembly 222 can place the two products on the two position limiting mechanisms 3 respectively, and the feeding cost of the products is reduced while the feeding efficiency of the products is ensured.

In an embodiment, as shown in fig. 3 to fig. 5, the first transmitting module 23 includes a first driving assembly 231, a first sliding rail 232 and a first slider, the first sliding rail 232 is slidably connected to the first slider, the first driving assembly 231 and the first sliding rail 232 are fixedly mounted on the first support column 21, and the first slider reciprocates along the first sliding rail 232 direction under the driving force of the first driving assembly 231. The first driving assembly 231 is preferably driven by a servo motor, but is not limited thereto.

That is, as shown in fig. 5, one end of the first slide rail 232 is located above the loading platform 10, and the other end is located at the detection area, and the servo motor drives the first slider to move relative to the first slide rail 232, so as to transfer the pick-up module.

In one embodiment, as shown in fig. 5, the first carrying module 2a further includes a first connecting plate 24, the first picking assembly 221 and the second picking assembly 222 are both mounted on the first connecting plate 24, the first connecting plate 24 is mounted on the first conveying module 23, and the first picking assembly 221 and the second picking assembly 222 reciprocate under the driving force of the first conveying module 23.

The first connecting plate 24 is fixedly connected with the first slider in the first conveying module 23, and the first picking assembly 221 and the second picking assembly 222 are both mounted on the first connecting plate 24, so that the consistency of the first picking assembly 221 and the second picking assembly 222 is improved.

Further, as shown in fig. 5, the first picking assembly 221 includes a first moving member, a second moving member, and a first picking head. The first moving part is mounted on the first connecting plate 24, the second moving part is mounted on the first moving part, the first pick-up head is mounted on the second moving part and used for picking up a product, and the first pick-up head respectively reciprocates in the horizontal direction and the vertical direction under the driving of the first moving part and the second moving part.

Further, the second picking assembly 222 has the same structure as the first picking assembly 221, that is, the second picking assembly 222 includes a third mover 2221, a fourth mover 2222 and a second picking head 2223. Among them, the third moving part 2221 is mounted on the first connecting plate 24, the fourth moving part 2222 is mounted on the third moving part 2221, the second pick-up head 2223 is mounted on the fourth moving part 2222, the second pick-up head 2223 is used for picking up a product simultaneously with the first pick-up head, and the second pick-up head 2223 reciprocates in the horizontal direction and the vertical direction respectively under the driving of the third moving part 2221 and the fourth moving part 2222.

The first and third moving parts 2221 of the first and second picking assemblies 221 and 222 are used to move the products picked by the first and second picking heads 2223 in the horizontal direction, i.e., the direction of the first slide rail 232, so as to adjust the distance between the two products.

The second mover 2222 of the first and second picking assemblies 221 and 222 is used to move the products picked by the first and second picking heads 2223 in the vertical direction to pick or place the products.

Preferably, the first moving part is located above and partially overlapped with the third moving part 2221, so as to reduce the occupied space of the first picking assembly 221 and the second picking assembly 222 and improve the compactness of the device.

In one embodiment, as shown in fig. 5, the first moving member includes a third driving member 2211 and a first moving member 2212, the first moving member 2212 is slidably connected to the third driving member 2211, and the first moving member 2212 reciprocates under the driving force of the third driving member 2211. The third driver 2211 is preferably a cylinder driver, but is not limited thereto.

The first moving member 2212 is matched with a guide rail provided on the third driving member 2211, so that the first moving member 2212 is reciprocated in the horizontal direction under the driving force of the third driving member 2211.

In one embodiment, as shown in fig. 5, first picking assembly 221 further includes a second connecting plate 223. The second connecting plate 223 is fixedly connected with the first moving member 2212, and the second moving member is mounted on the second connecting plate 223. The first moving part and the second moving part are connected through the second connecting plate 223, so that the structural flexibility between the first moving part and the second moving part is improved, and the structural compactness and the flexibility of the device are further improved.

In one embodiment, the second moving member includes a fourth driving member 2213 and a second moving member, the fourth driving member 2213 is fixedly connected to the second connecting plate 223, the second moving member is slidably connected to the fourth driving member 2213, and the second moving member reciprocates under the driving force of the fourth driving member 2213. The fourth driver 2213 is preferably a cylinder driver, but is not limited thereto.

In one embodiment, as shown in fig. 5, the first pick-up head comprises a vacuum generator 2214 and a plurality of suction heads 2215, the plurality of suction heads 2215 are connected to the vacuum generator 2214, the vacuum generator 2214 is fixedly connected to the first moving member 2212, and the plurality of suction heads 2215 are attached to the surface of the product by the vacuum generator 2214.

In the first carrying module provided in the embodiment of the present invention, the picking module is used to pick two products a that are relatively close to each other on the feeding carrier 10, and then the first conveying module 23 is used to convey the products to the upper side of the limiting mechanism 3, and then the first picking assembly 221 and the second picking assembly 222 perform a back-to-back movement, so that the distance between the two products a matches the distance between the two limiting mechanisms 3, and on the basis of ensuring the product feeding efficiency, the feeding cost of the products a is reduced.

Next, the stopper mechanism will be described in detail as shown in fig. 6 to 8.

Specifically, the limiting mechanism 3 includes a first stage 30, a driving module and a plurality of limiting modules. Wherein, a transparent detection surface 301 for placing products is arranged on the first carrying platform 30; the driving module is mounted on the first carrying platform 30; the driving module is connected with a plurality of limiting modules, and the edges of the products on the detection surface 301 are closed or far away from the limiting modules under the driving force of the driving module. The transparent detection surface 301 is preferably glass, which has high flatness and good light transmittance, but is not limited thereto.

That is, when the first carrying module 2a is about to place a product to be detected on the first stage 30, the driving module is used to drive the plurality of limiting modules to be away from the detection surface 301, so as to place the product to be detected on the detection surface 301; after the product to be detected is placed on the detection surface 301, the driving module is used for driving the plurality of limiting modules to draw close to the product and enabling the plurality of limiting modules to abut against the edge of the product so as to limit the position of the product.

Further, as shown in fig. 6, the driving module includes a first driving member and a second driving member, the plurality of limiting modules includes a first limiting member, a second limiting member, a third limiting member and a fourth limiting member, the first limiting member, the second limiting member and the first driving member are connected, the third limiting member, the fourth limiting member and the second driving member are connected, the first limiting member and the second limiting member abut against or are far away from two adjacent sides of the product under the driving force of the first driving member, and meanwhile, the third limiting member and the fourth limiting member approach to or are far away from two adjacent sides of the product under the driving force of the second driving member. The first driving member 31 and the second driving member are preferably cylinder driving members, but are not limited thereto.

That is to say, the first driving element 31 drives the first limiting element 33 and the second limiting element 32 to move, and the second driving element drives the third limiting element 34 and the fourth limiting element to move, so that the first limiting element 33, the second limiting element 32, the third limiting element 34 and the fourth limiting element abut against four edges of the product or are far away from four edges of the product, so as to further limit the product or take away the detected product.

According to the limiting module, the center of a product can correspond to the detection mechanism, so that the detection mechanism can detect products with different sizes and types, and the adaptability of the detection mechanism is improved.

It should be noted that, although the limiting modules with the fixed limiting parts on two adjacent sides of the product can also enable the detection mechanism to correspond to products with different size types, the center of the product to be detected cannot correspond to the detection mechanism, so that the precision measurement accuracy of the product by the detection mechanism is reduced, and the type of the product size that the detection mechanism can correspond to is also reduced.

In addition, the first driving member 31 drives the first limiting member 33 and the second limiting member 32 to move simultaneously, and the second driving member drives the third limiting member 34 and the fourth limiting member to move simultaneously, so that on one hand, the space occupied by the driving module is reduced, and the compactness of the limiting module is improved; on the other hand, the limiting cost of the limiting module is reduced.

In an embodiment, as shown in fig. 7, the limiting module further includes a first moving plate 37, the first moving plate 37 is connected to the first driving element 31, the first limiting element 33 and the second limiting element 32 are both connected to the first moving plate 37, and the first limiting element 33 and the second limiting element 32 respectively move along two directions along with the first moving plate 37 under the driving force of the first driving element 31. The first moving plate 37 is used for driving the first limiting member 33 and the second limiting member 32 to move simultaneously by the first driving member 31.

Of course, the limiting module further includes a second moving plate, the second moving plate is connected to the second driving element, and the second moving plate and the first moving plate 37 have the same structure, and the first moving plate 37 is described in detail in the embodiment of the present invention.

Further, as shown in fig. 7, a first kidney-shaped hole 371 and a second kidney-shaped hole 372 are formed in the first moving plate 37, the first limiting member 33 and the second limiting member 32 are respectively installed in the first kidney-shaped hole 371 and the second kidney-shaped hole 372, and the first limiting member 33 and the second limiting member 32 respectively move in the first kidney-shaped hole 371 and the second kidney-shaped hole 372 under the driving force of the first driving member 31.

That is to say, when the first driving element 31 drives the first moving plate 37 to move, the first moving plate 37 drives the first limiting element 33 and the second limiting element 32 to move in the first kidney-shaped hole 371 and the second kidney-shaped hole 372, respectively, so that the first limiting element 33 and the second limiting element 32 move toward or away from two adjacent edges of the product. That is, the first limiting member 33, the second limiting member 32, the third limiting member 34 and the fourth limiting member are driven by the first driving member 31 and the second driving member to move toward or away from the center of the product.

It should be noted that: the opening directions and sizes of the first kidney-shaped hole 371 and the second kidney-shaped hole 372 are set according to specific situations, and the embodiment of the invention is not limited.

In an embodiment, as shown in fig. 8, the first limiting member 33 includes a first connecting block 332, a first moving rod 333, and at least one limiting post, the at least one limiting post is fixedly mounted on the first connecting block 332, the first connecting block 332 is fixedly connected with the first moving rod 333, and the first moving rod 333 is located in the first kidney-shaped hole 371.

Further, the first moving rod 333 moves in the first kidney-shaped hole 371, the second limiting member 32 includes a second moving rod, the second moving rod moves in the second kidney-shaped hole 372, and the first kidney-shaped hole 371 and the second kidney-shaped hole 372 are used for guiding the first limiting member 33 and the second limiting member 32.

The second limiting member 32, the third limiting member 34 and the fourth limiting member are similar to the first limiting member 33 in structure, and the present invention only details the specific structure of the first limiting member 33, so as to avoid redundancy.

The limiting posts at least comprise a first limiting post 331 and a second limiting post 334, the first limiting post 331 and the second limiting post 334 are uniformly installed on the first connecting block 332 along the edge of the product, the number of the limiting posts is set according to the size of the product, and the embodiment of the invention is not limited.

In an embodiment, as shown in fig. 8, the limiting module further includes a first guiding element 38, the first guiding element 38 includes a third sliding block 382 and a third sliding rail 381, the third sliding block 382 is slidably connected to the third sliding rail 381, the third sliding rail 381 is fixedly installed on the first stage 30, and the third sliding block 382 is fixedly connected to the first limiting element 33.

The first guide piece 38 further guides the limiting column on the basis of the first waist-shaped hole 371, and stability of the movement direction of the limiting column is improved. In addition, the guide members of the third slider 382 and the third slide rail 381 are simple in structure.

In an embodiment, as shown in fig. 7, the position limiting module further includes a second guide 39, the second guide 39 includes a second slider 392 and a second slide rail 391, the second slider 392 is slidably connected to the second slide rail 391, the second slider 392 is fixedly connected to the first moving plate 37, and the second slide rail 391 is connected to the first carrier 30. The second guide 39 functions in the same manner as the first guide 38.

In an embodiment, as shown in fig. 6, at least four hollow areas are disposed on the first carrier 30, and the first limiting member 33, the second limiting member 32, the third limiting member 34 and the fourth limiting member respectively pass through the four hollow areas. The first limiting part 33 penetrates through the first hollow-out area 360, the second limiting part 32 penetrates through the second hollow-out area, the third limiting part 34 penetrates through the third hollow-out area, and the fourth limiting part penetrates through the fourth hollow-out area, so that the compactness of the limiting module structure can be improved, and the occupied space of the limiting module is further reduced.

In an embodiment, as shown in fig. 6, the position limiting mechanism 3 further includes a second stage and a plurality of second supporting columns, and the first stage 30 is parallel to and fixedly connected to the second stage 36 through a plurality of second supporting columns 35.

The limiting mechanism 3 utilizes the first driving part 31 and the second driving part to respectively drive the first limiting part 33, the second limiting part 32, the third limiting part 34 and the fourth limiting part to respectively regulate and limit four edges of a product, so that the size type of the product which can be adapted by the detecting mechanism is improved.

Next, the detection mechanism will be described in detail as shown in fig. 9 to 18.

As shown in fig. 9, the detection mechanism includes a base 8, a camera module 4, and a light source module 5. Wherein, camera module 4 includes camera support and a plurality of camera, and camera support 40 fixed mounting is on base station 8, and a plurality of cameras 4a are installed on camera support 40, and camera 4a is located stop gear's top, and a plurality of cameras 4a are used for gathering the image information of the different marginal area b of product a.

The light source module 5 is located below the camera module 4, and the light source module 5 is used for illuminating the product when the camera collects image information of the product.

That is, the plurality of cameras 4a are located above the first stage 30 to acquire image information of the product a placed on the first stage 30, and the plurality of cameras 4a acquire different edge areas b of the same product a, so that the image acquisition accuracy of the product a is improved. The product when utilizing light source module 5 to gather the camera shines, further improves the image information quality that the camera gathered the product.

In one embodiment, as shown in fig. 10, the camera mount 40 includes a camera mount 41, a first adjustment member, and a second adjustment member.

The camera fixing member 41 is used for mounting the camera 4a, and a first mounting hole and a second mounting hole are formed in the camera fixing member 41.

The first adjusting member includes a first adjusting plate 42 and a first locking member (not shown), the first adjusting plate 42 is provided with a plurality of first adjusting holes 421, the plurality of first adjusting holes 421 can match the first mounting holes, and the first locking member passes through the first adjusting holes 421 to match the first mounting holes, so that the camera fixing member 41 abuts on different positions on the first adjusting plate 42.

The second adjusting member includes a second adjusting plate 43 and a second locking member (not shown), the second adjusting plate 43 has a plurality of second adjusting holes, the plurality of second adjusting holes can match with the second mounting holes, and the second locking member passes through the second adjusting holes to match with the second mounting holes, so that the first adjusting plate 42 abuts against different positions on the second adjusting plate 43; wherein, the radial direction of the first adjusting hole 421 is perpendicular to the radial direction of the second adjusting hole.

That is, the first adjusting hole 421 and the second adjusting hole are elongated structures, and the radial direction of the first adjusting hole 421 and the radial direction of the second adjusting hole are the long side directions of the first adjusting hole 421 and the second adjusting hole.

The first mounting hole of the camera fixing member 41 is disposed opposite to the first adjusting plate 42, and the second mounting hole of the camera fixing member 41 is disposed opposite to the second adjusting plate 43. The position of the camera in the z-axis direction in the coordinate system as shown in fig. 1 is further adjusted by loosening the first locking member to adjust the relative position between the camera fixing member 41 and the first adjusting plate 42, so that the camera can capture image information of the product with an optimal depth of field.

By loosening the second locking member to adjust the relative position between the first adjustment plate 42 and the second adjustment plate 43, the position of the camera in the x-axis direction in the coordinate system shown in fig. 1 is further adjusted, so that the camera can acquire image information of the entire area of the product, thereby improving the accuracy of the camera acquisition.

Further, the camera stand 40 further includes a third adjusting member 44, the third adjusting member 44 includes a screw 443, a nut 441 and a third locking member 442, the third locking member 442 is fixedly mounted on the top end of the first adjusting plate 42, the nut 441 is fixedly mounted on the third locking member 442, one end of the screw 443 is fixedly mounted on the top end of the camera fixing member 41, and the other end is matched with the nut 441.

That is, the side of the camera fixing member 41 is fastened to the first adjusting plate 42 by the first fastening member, and the screw 443 is fixed to the top of the camera fixing member 41, so that the stability of the stand is improved by fixing the fixing block from two directions, and the supporting pressure of the first adjusting plate 42 to the camera is also reduced.

In an embodiment, the camera support 40 further includes a plurality of connecting rods 45, the connecting rods 45 are located between the two first adjusting plates 42, two ends of the connecting rods 45 are respectively fixedly connected to the two first adjusting plates 42, and the connecting rods 45 further improve the stability of the adjustable camera support 40.

In one embodiment, as shown in fig. 9, 11 and 12, the plurality of cameras 4a includes a first camera 4a1, a second camera 4a2, a third camera 4a3 and a fourth camera 4a4, the first camera 4a1, the second camera 4a2, the third camera 4a3 and the fourth camera 4a4 are arranged in a staggered manner and mounted on the camera support 40, and the first camera 4a1, the second camera 4a2, the third camera 4a3 and the fourth camera 4a4 are used for collecting four different edge areas b on the product.

As shown in fig. 11, when the product is located below the cameras, the first camera 4a1, the second camera 4a2, the third camera 4a3 and the fourth camera 4a4 respectively correspond to different regions of the product and are used for respectively capturing edge regions b of the product shown in fig. 4, and the plurality of cameras are used for respectively capturing the different regions of the product to improve the quality of images captured by the cameras.

Further, the first camera 4a1, the second camera 4a2, the third camera 4a3 and the fourth camera 4a4 capture the product, and an overlapping area b1 is included between adjacent areas in four different edge areas b. The adjacent areas in the four acquisition areas acquired by the first camera 4a1, the second camera 4a2, the third camera 4a3 and the fourth camera 4a4 respectively comprise an overlapping area b1, so that the acquisition accuracy can be prevented from being reduced due to position errors.

Further, the four acquisition regions are larger than the surface area of the product, that is, the four acquisition regions acquired by the camera exceed the edge of the product, so as to further improve the accuracy of the acquisition by the camera.

In one embodiment, as shown in fig. 13, the light source module 5 includes a plurality of light source assemblies 5a, a plurality of the light source assemblies 5a are mounted on the position limiting mechanism, and a plurality of the light source assemblies 5a surround the product defined on the position limiting mechanism to illuminate the product from the side and above. The light source assemblies 5a are mounted on the first stage 30, and the light source assemblies 5a surround the detection surface 31, so that the camera 4a illuminates the edge of the product when acquiring image information of the product.

The cameras 4a are located above the first carrying table 30 to collect image information of the product a, and the cameras 4a collect different edge areas b of the same product a respectively, so that the image collection precision of the product a is improved. The light source assemblies 5a are mounted on the periphery of the first stage 30 to surround the product on the detection surface 31 to generate a high-uniformity illumination effect, so that the quality of the image information of the collected product is further improved.

In one embodiment, as shown in fig. 13 and 14, the light source assembly 5a includes a first light source assembly 52a and a second light source assembly 52b, the first light source assembly 52a is mounted on the first stage 30 along a straight edge of the product, and the second light source assembly 52b is located between adjacent first light source assemblies 52 a.

The first light source assemblies 52a are disposed along a straight edge of the product, and the second light source assembly 52b is disposed between two adjacent first light source assemblies 52a for illumination supplement, so as to improve the uniformity of illumination of the product by the light source assembly 5 a.

In a specific example, the product is a mobile phone with a rectangular structure, the four first light source assemblies 52a are respectively mounted along four straight edges, the four second light source assemblies 52b are respectively located between two adjacent first light source assemblies 52a, and the irradiation range of the first light source assemblies 52a is based on the specific structure of the product.

In one embodiment, as shown in fig. 13, the light source assembly 5a includes a light source support frame 522 and a light source 521, wherein the light source support frame 522 is fixedly mounted on the first stage 30; the light source 521 is mounted on the light source support frame 522 in an angle adjustable manner, and a plurality of light sources are made to irradiate the area to be detected of the product. The transparent detection surface 31 is preferably glass, and glass has high surface flatness and good light transmittance, but is not limited thereto.

In one embodiment, as shown in fig. 15, the light source supporting frame 522 includes a supporting rod 522a, an adjusting member rotatably connected to the supporting rod 522a, and a fixing member for fixedly connecting the adjusting member to the supporting rod 522 a.

The support rod 522a is used to fix the light source, and to make the light source illuminate the product at a preferred angle. The adjusting member is used for adjusting the angle between the light source and the supporting rod 522a and adjusting the height of the light source, that is, adjusting the angle between the light source and the product, so as to improve the lighting effect of the light source on the product. The fixing piece is used for fixing the support frame and the adjusting piece after adjustment, so that an optimal angle is formed between the light source and the product to illuminate the product.

In fact, the product detection surface 31 on the first stage 30 can be matched with products of various sizes, when products of different sizes are detected or different positions of the same product are detected, the central position of the light source irradiating the product will be changed, the angle of the light source is adjusted by the adjusting piece to further adjust the central position of the light source irradiating the product, and the irradiation effect of the light source on the product is improved. The central position is the position where the light source irradiates on the product with the best illumination effect.

Further, as shown in fig. 15, the adjusting member includes a first fixing block 522b and a first adjusting block 522c, the first fixing block 522b is fixedly connected to the first adjusting block 522c, an arc-shaped through hole 522e is disposed on the first adjusting block 522c, the arc-shaped through hole 522e is rotated to enable different positions of the arc-shaped through hole 522e to match with the plurality of first mounting holes 522d disposed on the supporting rod 522a, and the first mounting holes 522d match with the fixing member.

Further, the first adjusting block 522c is connected with the supporting rod 522a in the direction of the pin shaft, that is, the first adjusting block 522c can rotate relative to the supporting rod 522a, the first adjusting block 522c is rotated after the fixing member is loosened so that the arc-shaped through hole 522e can be matched with the first mounting hole 522d at different positions on the supporting rod 522a, the first adjusting block 522c enables the light source to rotate together with the first adjusting block 522c in the rotating process, the angle between the light source and the product is further adjusted, and after the light source and the product are adjusted to a proper angle, the fixing member is used for fixing the first adjusting block 522c on the supporting rod 522 a. The adjusting piece in the embodiment of the invention has the advantages of simple structure and convenience in operation, and the adjusting efficiency of the light source component 5a is improved while the low cost of the light source component 5a is ensured.

In an alternative embodiment, the light source module 5 comprises a plurality of ring-shaped light sources 5b, the ring-shaped light sources 5b are fixedly connected with the camera, and the ring-shaped light sources 5b are used for illuminating the product from the right above when the camera collects the image information of the product.

As shown in fig. 16, the annular light source 5b is located below the lens connected to the camera, and compared with the light source assembly 5a installed on the first stage, the annular light source 5b illuminates the product from directly above the product, and is more suitable for detecting appearance defects such as scratches on the surface of the product, and the light source assembly 5a installed on the first stage is more suitable for detecting edge flash of the product, and the light source assembly 5a can illuminate the product from laterally above the product, so that the edge of the product can be in a highly-uniform illumination environment, and the quality of image information acquired by the camera at the edge of the product is improved.

In an embodiment, as shown in fig. 17, the light source module 5 further includes a backlight source 5d, the backlight source 5d is located below the product and is installed on the limiting mechanism, and the backlight source 5d is used for irradiating the product from the lower surface thereof.

That is, when the camera captures an image of a product, the product is irradiated by the backlight source 5d positioned below the product in addition to the light sources in the four axes of the product, so as to further improve the quality of image information captured by the camera.

In an embodiment, as shown in fig. 17 and 18, the light source module 5 further includes a PS diffuser plate 5C, the PS diffuser plate 5C is fixedly installed on the detection surface 31, and the PS diffuser plate 5C is used for corresponding to the detection area of the product to be detected.

The PS diffusion plate 5C is used for enabling the background of the product to be dark in the product image information collected by the camera, so that the gray value of the overflowing glue at the edge of the product can form a large contrast ratio with the background, and the accuracy of judging the image information collected by the camera is improved.

Preferably, the PS diffusion plate 5C has a transmittance ranging from 60% to 80%. And the PS diffusion plate 5C has a mirror surface on the front side and a matte surface on the back side. The transmittance range of the PS diffusion plate 5C is used to further improve the quality of image information captured by the camera. The front surface of the PS diffusion plate 5C is a mirror surface, and the back surface is a matte surface, so that the contrast of image information acquired by the camera is further improved, and the product detection accuracy is improved.

In one embodiment, as shown in fig. 9, the conveying mechanism 7 is used for conveying the second stage 36 and the first stage 30, and the product moves to below the camera along with the second stage 36 under the conveying of the conveying mechanism 7.

That is, after the product to be detected is placed on the first stage 30, the product is moved in the y direction in the coordinate system shown in fig. 9 by the conveying mechanism 7, so that the product on the first stage 30 is moved to a position right below the camera, that is, within the capturing range of the camera.

After the camera is adjusted and fixed along the x axis and the z axis in the coordinate system shown in fig. 9 by using the camera support 40 in the embodiment of the present invention, the product to be detected is conveyed along the y axis direction in the coordinate system shown in fig. 9 by using the conveying mechanism 7, that is, the conveying mechanism 7 can adjust the position of the product along the y axis direction in the coordinate system shown in fig. 9. That is to say, the relative position of the product and the camera can be adjusted through three axes x, y, and z in the coordinate system as shown in fig. 9, so that the accuracy of the camera for collecting the product is improved, and the detection accuracy of the detection device is further improved. The transfer mechanism 7 is preferably a servo motor linear module, but is not limited thereto.

Above detection mechanism utilizes a plurality of cameras to gather the image information of the different marginal areas b of same product respectively simultaneously, utilizes a plurality of light source subassemblies 5a to surround around product a at the camera in-process that carries out image acquisition so that product a is in the illumination environment of high degree of consistency again simultaneously, improves the quality that product a's image information was gathered to the camera, further improves detection device's detection accuracy.

While the foregoing is directed to the preferred embodiment of the present invention, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention as defined in the appended claims.

Claims (10)

1. A detection device for 3C products, characterized in that it comprises:

the feeding mechanism (1) is used for feeding a product to be detected;

the blanking mechanism (6) is used for blanking the detected product;

the conveying mechanism comprises a first conveying module (2 a) and a second conveying module (2 b), the first conveying module (2 a) is used for picking and conveying the products to be detected on the feeding mechanism (1), and the second conveying module (2 b) is used for picking and conveying the detected products;

the limiting mechanism (3) is used for limiting the position of a product to be detected, the first carrying module (2 a) picks up the product to be detected on the feeding mechanism (1) and transmits the product to be detected to the limiting mechanism (3), and the second carrying module (2 b) picks up the product which is detected on the limiting mechanism (3) and transmits the product to be detected to the blanking mechanism (6);

the conveying mechanism (7) is used for moving the limiting mechanism (3) from a position corresponding to the first conveying module (2 a) to a position corresponding to the second conveying module (2 b), and the conveying direction of the conveying mechanism (7) is perpendicular to the conveying direction of the first conveying module (2 a) and the second conveying module (2 b);

the detection mechanism is used for collecting images of products on the limiting mechanism (3), the first carrying module (2 a) spans the feeding mechanism (1), the limiting mechanism (3) and the detection mechanism, and the second carrying module (2 b) spans the limiting mechanism (3), the detection mechanism and the blanking mechanism (6).

2. The detection apparatus for 3C products according to claim 1, wherein said first handling module (2 a) comprises:

a pick-up module comprising a first pick-up assembly (221) and a second pick-up assembly (222), the first pick-up assembly (221) and the second pick-up assembly (222) being relatively movable, the first pick-up assembly (221) and the second pick-up assembly (222) being for picking up two products on the feed mechanism (1) simultaneously;

the first conveying module (23) is used for conveying the two products picked up by the first picking assembly (221) and the second picking assembly (222) to the two limiting mechanisms (3) respectively, and the first picking assembly (221) and the second picking assembly (222) move back to back so that the distance between the two products picked up by the first picking assembly matches the distance between the two limiting mechanisms (3).

3. The detection apparatus for 3C products according to claim 1, wherein said limit mechanism (3) comprises:

the device comprises a first carrying platform (30), wherein a transparent detection surface (301) for placing a product is arranged on the first carrying platform (30);

a drive module mounted on the first stage (30);

the limiting module is connected with the driving module, and the limiting module is close to or far away from the edge of the product on the detection surface (301) under the driving force of the driving module.

4. The detecting apparatus for 3C products according to claim 3, wherein the driving module comprises a first driving member (31) and a second driving member, the limiting module comprises a first limiting member (33), a second limiting member (32), a third limiting member (34) and a fourth limiting member, the first limiting member (33), the second limiting member (32) and the first driving member (31) are connected, the third limiting member (34), the fourth limiting member and the second driving member are connected, the first limiting member (33) and the second limiting member (32) abut against or are far away from two adjacent sides of the products under the driving force of the first driving member (31), and simultaneously the third limiting member (34) and the fourth limiting member are close to or are far away from two adjacent sides of the products under the driving force of the second driving member.

5. The inspection apparatus for 3C products of claim 1, wherein the inspection mechanism comprises:

a base (8), on which the transport mechanism (7) is mounted;

the camera module (4) comprises a camera support (40) and a plurality of cameras (4 a), the camera support (40) is fixedly installed on the base station (8) (1), the cameras (4 a) are installed on the camera support (40), the cameras (4 a) are located above the limiting mechanism (3), and the cameras (4 a) are used for collecting image information of different edge areas (b) of a product;

the light source module (5), the light source module (5) is located the below of camera module (4), light source module (5) are used for when camera (4 a) gather the image information of product the product is lighted.

6. The inspection apparatus for 3C products according to claim 5, wherein the plurality of cameras (4 a) comprises a first camera (4 a 1), a second camera (4 a 2), a third camera (4 a 3) and a fourth camera (4 a 4), the first camera (4 a 1), the second camera (4 a 2), the third camera (4 a 3) and the fourth camera (4 a 4) are arranged alternately and mounted on the camera support (40), and the first camera (4 a 1), the second camera (4 a 2), the third camera (4 a 3) and the fourth camera (4 a 4) are used for acquiring four different edge regions (b) on the product.

7. The detection apparatus for 3C products according to claim 5, wherein said camera support (40) comprises:

the camera fixing piece (41) is used for mounting the camera (4 a), and a first mounting hole and a second mounting hole are formed in the camera fixing piece (41);

the first adjusting piece comprises a first adjusting plate (42) and a first locking piece, a plurality of first adjusting holes (421) are formed in the first adjusting plate (42), the first adjusting holes (421) can be matched with the first mounting holes, and the first locking piece penetrates through the first adjusting holes (421) to be matched with the first mounting holes, so that the camera fixing piece (41) abuts against different positions on the first adjusting plate (42);

the second adjusting piece comprises a second adjusting plate (43) and a second locking piece, a plurality of second adjusting holes are formed in the second adjusting plate (43), the second adjusting holes can be matched with the second mounting holes, and the second locking piece penetrates through the second adjusting holes to be matched with the second mounting holes, so that the first adjusting plate (42) abuts against different positions on the second adjusting plate (43); wherein a radial direction of the first regulation hole (421) is perpendicular to a radial direction of the second regulation hole.

8. The inspection apparatus for 3C products according to claim 5, wherein said light source module (5) comprises a plurality of light source assemblies (5 a), a plurality of said light source assemblies (5 a) being mounted on said stop mechanism (3), a plurality of said light source assemblies (5 a) surrounding a defined product on said stop mechanism (3) to illuminate it from above and to the side of said product;

the light source assembly (5 a) comprises:

the light source supporting frame (522) is fixedly arranged on the limiting mechanism (3);

the angle of the light source (521) is adjustable, the light source (521) is arranged on the light source support frame (522), and the light sources (521) are enabled to irradiate the area to be detected of the product.

9. The detection apparatus for 3C products according to claim 5, wherein the light source module (5) further comprises:

a plurality of ring-shaped light sources (5 b), the ring-shaped light sources (5 b) are fixedly connected with the camera, and the ring-shaped light sources (5 b) are used for illuminating the product from the right above when the camera collects the image information of the product.

10. The detection apparatus for 3C products according to claim 5, wherein the light source module (5) further comprises:

the backlight source (5 d) is positioned below the product and mounted on the limiting mechanism (3), and the backlight source (5 d) is used for irradiating the product from the lower surface of the product.

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