CN115646846B - Detection equipment for 3C product - Google Patents

Abstract

The invention provides detection equipment for 3C products, 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 conveying mechanism is used for picking up products and conveying the products, the conveying mechanism comprises a first conveying module and a second conveying 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 provided by the invention, the first carrying module spans the feeding mechanism, the limiting mechanism and the detection mechanism, the second carrying module spans the limiting mechanism, the detection mechanism and the blanking mechanism, and the transmission mechanism is used for transmitting the limiting mechanism, so that the detection efficiency of the detection equipment is improved by the mutual matching of the first carrying module, the second carrying module and the transmission 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 computers (computers), communications (communications), and consumer electronics (Consumer Electronics), also known as "information appliances". Along with the increasing demands of people on 3C products, the precision demands of the 3C products in the production and manufacturing processes are also increasing.

The high precision requirement of the 3C product is also reflected in the detection of semi-finished products and finished products, such as: the detection of the product edge glue overflow, scratches, dead spots and the like on the surface of the product edge glue overflow, and how to efficiently finish the detection of the product is needed to be solved.

Disclosure of Invention

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

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

according to an embodiment of the present invention, a detection apparatus for a 3C product includes:

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

the blanking mechanism is used for blanking the detected product;

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

the first carrying module is used for picking up and transmitting the product to be detected on the feeding mechanism to the limiting mechanism, and the second carrying module is used for picking up and transmitting the product to be detected on the limiting mechanism to the discharging 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 products on the limiting mechanism, the first carrying module stretches across the feeding mechanism, the limiting mechanism and the detection mechanism, and the second carrying module stretches across the limiting mechanism, the detection mechanism and the discharging mechanism.

Further, the first handling module includes:

the picking module comprises a first picking component and a second picking component, the first picking component and the second picking component can move relatively, and the first picking component and the second picking component are used for picking up two products on the feeding mechanism at the same time;

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

Further, the stop gear includes:

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

the driving module is arranged on the first carrying platform;

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 under the driving force of the driving module.

Further, the drive module includes first driving piece and second driving piece, spacing module includes first locating part, second locating part, third locating part and fourth locating part, first locating part, second locating part with first driving piece is connected, third locating part, fourth locating part with the second driving piece is connected, first locating part and second locating part are in the butt or keep away from the adjacent both sides of product under the drive force of first driving piece, just simultaneously third locating part and fourth locating part are in the drive force of second driving piece is close or keep away from to the adjacent both sides of product.

Further, the detection mechanism includes:

a base station on which the conveying mechanism is mounted;

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

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

Further, the plurality of cameras comprise 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 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 mount includes:

the camera fixing piece is used for installing the camera, and a first installation hole and a second installation 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 passes through the first adjusting holes to be matched with the first mounting holes, so that the camera fixing piece is abutted to 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, the second adjusting holes can be matched with the second mounting holes, and the second locking piece passes through the second adjusting holes to be matched with the second mounting holes, so that the first adjusting plate is abutted to different positions on the second adjusting plate; wherein the radial direction of the first adjusting hole is perpendicular to the radial direction of the second adjusting hole.

Further, the light source module comprises a plurality of light source components, the light source components are arranged on the limiting mechanism, and the light source components encircle limited products on the limiting mechanism so as to illuminate the limited products from the upper side of the limited products;

the light source assembly includes:

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

the angle of the light source is adjustable, the light source is arranged on the light source supporting frame, and a plurality of light sources irradiate the to-be-detected area 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:

and 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 has at least one of the following beneficial effects:

according to the detection equipment for the 3C product, disclosed by the invention, the first carrying module is used for crossing the feeding mechanism, the limiting mechanism and the detection mechanism, the second carrying module is used for crossing the limiting mechanism, the detection mechanism and the discharging mechanism, the transmission mechanism is used for transmitting the limiting mechanism, and the first carrying module, the second carrying module and the transmission mechanism are mutually matched 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 whole structure of a detecting apparatus for 3C products according to an embodiment of the present invention;

fig. 3 is a schematic structural diagram of a feeding mechanism in a detection device for 3C products according to an embodiment of the present invention;

fig. 4 is a schematic structural diagram of a handling mechanism in a 3C product inspection apparatus according to an embodiment of the present invention;

FIG. 5 is an enlarged view of FIG. 4 at A;

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

fig. 7 is a schematic partial structure diagram of a limiting mechanism in a 3C product inspection apparatus according to an embodiment of the present invention;

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

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

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

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

Fig. 12 is a schematic diagram of an edge area collected by a first camera, a second camera, a third camera, and a fourth camera in a detection device for a 3C product according to an embodiment of the present invention;

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

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

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

fig. 17 is a schematic structural diagram 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 diffuser plate, and a product in a detection apparatus for 3C products according to an embodiment of the present invention.

Reference numerals:

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

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

3. A limiting mechanism; 30. a first stage; 301. a detection surface; 31. a first driving member; 32. a second limiting piece; 33. a first limiting member; 331. a first limit post; 332. a first connection block; 333. a first moving lever; 334. the second limit column; 34. a third limiting member; 35. a second support column; 36. a second stage; 360. a first hollowed-out area; 37. a first moving plate; 371. a first waist-shaped hole; 372. a second waist-shaped hole; 38. a first guide; 381. a third slide rail; 382. a third slider; 39. a second guide; 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 mount; 41. a camera fixing member; 42. a first adjustment plate; 421. a first adjustment aperture; 43. a second adjusting plate; 44. a third adjustment 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; 522a, support rods; 522b, a first fixed block; 522c, a first adjustment block; 522d, first mounting holes; 522e, an arcuate through hole; 5b, an annular light source; 5c, PS diffusion plate; 5d, a backlight source; 6. a blanking mechanism; 7. a conveying mechanism; 8. a base station.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention more clear, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention. It will be apparent that the described embodiments are some, but not all, embodiments of the invention. All other embodiments, which are obtained by a person skilled in the art based on the described embodiments of the invention, fall within the scope of protection of the invention.

The 3C product related to the embodiment of the present invention includes a mobile phone, a notebook computer, a tablet, etc., and in the embodiment of the present invention, the mobile phone is used as an example for illustration.

The embodiment of the invention provides detection equipment for 3C products, which utilizes a first carrying module 2a to pick up a product a to be detected from a feeding mechanism 1 and convey the product a to a limiting mechanism 3, utilizes a conveying mechanism 7 to convey the limiting mechanism 3 to a detection mechanism so as to enable the detection mechanism to collect images of 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 convey the product to a discharging mechanism 6 so as to enable the discharging mechanism 6 to discharge the detected product a.

A detecting 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 device for 3C products provided by the embodiment of the 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, feed mechanism 1 is used for carrying out the material loading with waiting to detect product a. The blanking mechanism 6 is used for blanking the product a after detection.

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

The limiting mechanism 3 is used for limiting the position of a product to be detected, the first carrying module 2a 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 2b picks up the product to be detected on the limiting mechanism 3 and transmits the product to the discharging 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 directions of the first conveying module 2a and the second conveying module 2 b.

The detection mechanism is used for carrying out image acquisition on the product on the limiting mechanism 3, the first carrying module 2a spans the feeding mechanism 1, the limiting mechanism 3 and the detection mechanism, and the second carrying module 2b spans the limiting mechanism 3, the detection mechanism and the discharging mechanism 6.

Above check out test set utilizes feed mechanism 1 to carry the product that waits to detect to predetermine the position after, utilize first transport module 2a to pick up and carry the product that waits to detect on feed mechanism 1, first transport module 2a carries the product of picking up to stop gear 3 on, stop gear 3 is limited to the position of waiting to detect the product, and utilize transport mechanism 7 to carry stop gear 3 to the position that detection mechanism corresponds, so that detection mechanism detects the product on the stop gear 3, after the product is accomplished detecting, utilize second transport module 2b to pick up the product of accomplishing the detection on the stop gear 3 and carry to the unloading mechanism 6 department, utilize unloading mechanism 6 to carry out the unloading with the product.

First, the first transporting module 2a and the second transporting module 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 product to be detected and carrying the finished detection product.

Specifically, as shown in fig. 3 to 5, the first handling module 2a includes a pick-up module and a first transfer module 23.

The picking module includes a first picking component 221 and a second picking component 222, the first picking component 221 and the second picking component 222 can move relatively, and the first picking component 221 and the second picking component 222 are used for simultaneously picking up two products a on the loading platform 10 of the loading mechanism.

The first conveying module 23 is mounted on the first supporting column 21, and the first conveying module 23 is configured to convey two products picked up by the first picking assembly 221 and the second picking assembly 222 to the two limiting mechanisms 3 respectively, where the first picking assembly 221 and the second picking assembly 222 can move in opposite directions, so that a distance between the two products picked up by the first conveying module and the second picking assembly 222 matches a 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 product a on the loading platform 10 is conveyed to the limiting mechanism 3 by the first conveying module 23.

In order to improve the detection efficiency, two limiting mechanisms 3 are correspondingly arranged below the detection mechanism, and the distance between the two limiting mechanisms 3 is larger based on the requirement of installing a device for detecting products, and the distance between two products placed on the loading platform 10 can be small, if the distance between the two products on the loading platform 10 corresponds to the distance between the two limiting mechanisms 3, the volume of the loading platform 10 is greatly increased, and the occupied space of the loading platform 10 is greatly increased.

The embodiment of the invention solves the above problems by the two first picking components 221 and the second picking components 222 which can move relatively, namely, when the picking module is arranged at the loading platform 10, the distance between the first picking components 221 and the second picking components 222 matches the distance between two products on the loading platform 10, and when the first picking components 221 and the second picking components 222 are conveyed to the position of the limiting mechanism 3, the first picking components 221 and the second picking components 222 move back to enable the distance between two products picked by the first picking components 221 and the second picking components 222 to match the distance between the two limiting mechanisms 3, so that the first picking components 221 and the second picking components 222 are convenient for placing the two products on the two limiting mechanisms 3 respectively.

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

That is, as shown in fig. 5, one end of the first sliding rail 232 is located above the loading platform 10, and the other end is located at the detection area, and the first sliding block is driven by the servo motor to move in the direction opposite to the first sliding rail 232, so as to transfer the pick-up module.

In an embodiment, as shown in fig. 5, the first handling module 2a further includes a first connection plate 24, the first pick-up assembly 221 and the second pick-up assembly 222 are both mounted on the first connection plate 24, the first connection plate 24 is mounted on the first conveying module 23, and the first pick-up assembly 221 and the second pick-up assembly 222 reciprocate under the driving force of the first conveying module 23.

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

Further, as shown in fig. 5, the first pickup assembly 221 includes a first moving member, a second moving member, and a first pickup head. The first moving member is mounted on the first connecting plate 24, the second moving member is mounted on the first moving member, the first pick-up head is mounted on the second moving member, the first pick-up head is used for picking up a product, and the first pick-up head is driven by the first moving member and the second moving member to reciprocate along the horizontal direction and the vertical direction respectively.

Further, the second picking assembly 222 has the same structure as the first picking assembly 221, i.e., the second picking assembly 222 includes a third moving member 2221, a fourth moving member 2222, and a second picking head 2223. The third moving element 2221 is mounted on the first connecting plate 24, the fourth moving element 2222 is mounted on the third moving element 2221, the second pick-up head 2223 is mounted on the fourth moving element 2222, the second pick-up head 2223 is used for picking up products simultaneously with the first pick-up head, and the second pick-up head 2223 is driven by the third moving element 2221 and the fourth moving element 2222 to reciprocate along the horizontal direction and the vertical direction respectively.

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

The second and fourth moving members 2222 of the first and second picking assemblies 221 and 222 are used to move the products picked up by the first and second picking heads 2223 in the vertical direction to pick up or place the products.

Preferably, the first moving member is positioned above and partially overlapped with the third moving member 2221 to reduce the occupied space of the first and second pickup assemblies 221 and 222 and improve the compactness of the apparatus.

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 driving member 2211 is preferably a cylinder driving member, but is not limited thereto.

The first mover 2212 is matched with a guide rail provided on the third driver 2211 such that the first mover 2212 reciprocates in a horizontal direction by a driving force of the third driver 2211.

In one embodiment, as shown in fig. 5, the first pick-up assembly 221 further includes a second connection plate 223. The second connection plate 223 is fixedly connected with the first moving member 2212, and the second moving member is mounted on the second connection 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 connection 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 driving member 2213 is preferably a cylinder driving member, but is not limited thereto.

In an embodiment, as shown in fig. 5, the first pick-up head includes a vacuum generator 2214 and a plurality of adsorption heads 2215, the plurality of adsorption heads 2215 are connected with the vacuum generator 2214, the vacuum generator 2214 is fixedly connected with the first moving member 2212, and the plurality of adsorption heads 2215 are adsorbed on the product surface under the action of the vacuum generator 2214.

In the first carrying module provided by the embodiment of the invention, two products a which are close to each other on the loading platform 10 are picked up by the picking up module, and after the products are conveyed to the position above the limiting mechanisms 3 by the first conveying module 23, the first picking up assembly 221 and the second picking up assembly 222 carry out back movement, so that the distance between the two products a is matched with the distance between the two limiting mechanisms 3, and the loading cost of the products a is reduced on the basis of ensuring the loading efficiency of the products.

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

Specifically, the limiting mechanism 3 includes a first carrier 30, a driving module and a plurality of limiting modules. Wherein, the first carrying platform 30 is provided with a transparent detection surface 301 for placing products; the driving module is installed on the first carrier 30; the plurality of limit modules are connected with the driving module, and the plurality of limit modules are close to or far away from the edge of the product on the detection surface 301 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 to this.

That is, when the first carrying module 2a places the inspected product to be picked up on the first stage 30, the driving module drives the plurality of limiting modules away from the inspection surface 301, so as to place the inspected product on the inspection surface 301; after the product to be detected is placed on the detecting surface 301, the driving module is used to drive the plurality of limiting modules to close to the product and make the plurality of limiting modules 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 are abutted against or far away from two adjacent sides of the product under the driving force of the first driving member, and simultaneously the third limiting member and the fourth limiting member are close to or 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, the first driving member 31 drives the first limiting member 33 and the second limiting member 32 to move, and the second driving member drives the third limiting member 34 and the fourth limiting member to move, so that the first limiting member 33, the second limiting member 32, the third limiting member 34 and the fourth limiting member abut against four edges of the product or are far away from the four edges of the product, and the product is further limited or the detected product is taken away.

According to the limit module provided by the invention, the center of the product corresponds to the detection mechanism, so that the detection mechanism can detect products of 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 pieces arranged on two adjacent sides of the product can also enable the detection mechanism to correspond to products of different sizes, the center of the product to be detected cannot all correspond to the detection mechanism, so that the precision of the detection mechanism on the product is reduced, namely, the size of the product which can be corresponding to the detection mechanism is reduced.

In addition, the first driving piece 31 drives the first limiting piece 33 and the second limiting piece 32 to move at the same time, and the second driving piece drives the third limiting piece 34 and the fourth limiting piece to move at the same time, so that on one hand, the space occupied by the driving module is reduced, and the compact type 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 member 31, the first limiting member 33 and the second limiting member 32 are both connected to the first moving plate 37, and the first limiting member 33 and the second limiting member 32 move along two directions along with the first moving plate 37 under the driving force of the first driving member 31. The first moving plate 37 is used for enabling the first driving member 31 to simultaneously drive the first limiting member 33 and the second limiting member 32 to simultaneously move.

Of course, the limiting module further includes a second moving plate, and the second moving plate is connected to the second driving member, and the second moving plate has the same structure as the first moving plate 37, and the embodiment of the present invention details the first moving plate 37.

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

That is, when the first driving member 31 drives the first moving plate 37 to move, the first moving plate 37 drives the first limiting member 33 and the second limiting member 32 to move in the first waist-shaped hole 371 and the second waist-shaped hole 372, respectively, so that the first limiting member 33 and the second limiting member 32 are close to or far away from adjacent two sides of the product. That is, the first stopper 33, the second stopper 32, the third stopper 34, and the fourth stopper gather or move away from the center of the product under the driving of the first driving member 31 and the second driving member.

It should be noted that: the directions and sizes of the openings of the first and second waist-shaped holes 371 and 372 are set according to the specific situation, 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, wherein 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 waist-shaped hole 371.

Further, the first moving rod 333 moves in the first waist-shaped hole 371, the second limiting element 32 comprises a second moving rod, the second moving rod moves in the second waist-shaped hole 372, and the first waist-shaped hole 371 and the second waist-shaped hole 372 are used for guiding the first limiting element 33 and the second limiting element 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 only the specific structure of the first limiting member 33 is described in detail, so that the redundancy is avoided.

The limiting posts include at least a first limiting post 331 and a second limiting post 334, the first limiting post 331 and the second limiting post 334 are uniformly mounted 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 member 38, the first guiding member 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 mounted on the first carrier 30, and the third sliding block 382 is fixedly connected to the first limiting member 33.

The first guide 38 further guides the limit post on the basis of the first waist-shaped hole 371, and stability of the movement direction of the limit post is improved. In addition, the guide of the third slider 382 and the third slide rail 381 has a simple structure.

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

In an embodiment, as shown in fig. 6, at least four hollow areas are disposed on the first stage 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 locating part 33 passes first fretwork area 360, and the second locating part 32 passes second fretwork area, third locating part 34 passes third fretwork area, and the fourth locating part passes fourth fretwork area, so can improve the compact of this spacing module structure, further reduce the occupation space of this spacing module.

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

The above limiting mechanism 3 utilizes the first driving piece 31 and the second driving piece to drive the first limiting piece 33, the second limiting piece 32, the third limiting piece 34 and the fourth limiting piece respectively to limit the four edges of the product in an adjustable way, so that the size type of the product which can be adapted to 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. The camera module 4 includes a camera support and a plurality of cameras, the camera support 40 is fixedly mounted on the base 8, the plurality of cameras 4a are mounted on the camera support 40, the camera 4a is located above the limiting mechanism, and the plurality of cameras 4a are used for collecting image information of different edge areas b of the 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 the image information of the product.

That is, the plurality of cameras 4a are located above the first carrier 30 to collect image information of the product a placed on the first carrier 30, and the plurality of cameras 4a collect different edge areas b of the same product a respectively, so as to improve image collection accuracy of the product a. The light source module 5 is utilized to irradiate the product collected by the camera, so that the quality of the image information of the product collected by the camera is further improved.

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

The camera fixing piece 41 is used for installing the camera 4a, and a first installation hole and a second installation hole are formed in the camera fixing piece 41.

The first adjusting member includes a first adjusting plate 42 and a first locking member (not shown in the figure), a plurality of first adjusting holes 421 are formed in the first adjusting plate 42, the plurality of first adjusting holes 421 can be matched with the first mounting holes, and the first locking member passes through the first adjusting holes 421 to be matched with the first mounting holes, so that the camera fixing member 41 is abutted against 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 in the figure), the second adjusting plate 43 is provided with a plurality of second adjusting holes, the second adjusting holes can be matched with the second mounting holes, and the second locking member passes through the second adjusting holes to be matched with the second mounting holes, so that the first adjusting plate 42 is abutted against different positions on the second adjusting plate 43; wherein the radial direction of the first adjustment hole 421 is perpendicular to the radial direction of the second adjustment hole.

That is, the first adjusting hole 421 and the second adjusting hole have a strip structure, and the radial direction of the first adjusting hole 421 and the radial direction of the second adjusting hole are the longitudinal directions of the first adjusting hole 421 and the second adjusting hole.

The first mounting hole on the camera fixing member 41 is disposed opposite to the first adjusting plate 42, and the second mounting hole on 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 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 acquire image information of the product with an optimal depth of field.

The relative position between the first adjusting plate 42 and the second adjusting plate 43 is adjusted by loosening the second locking member, so that the position of the camera in the x-axis direction in the coordinate system shown in fig. 1 is further adjusted, and the camera can acquire image information of all areas of the product, so that the accuracy of acquisition of the camera is improved.

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 locking member, and the screw 443 is fixed to the top of the camera fixing member 41, and the stability of the bracket 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 plurality of connecting rods 45 are located between the two first adjusting plates 42, and two ends of the connecting rods 45 are fixedly connected to the two first adjusting plates 42 respectively, so that the plurality of 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 staggered 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 a product.

As shown in fig. 11, when a 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 areas of the product and are used for respectively acquiring the edge area b of the product as shown in fig. 4, and a plurality of cameras are used for respectively acquiring the different areas of the product to improve the quality of images acquired by the cameras.

Further, the first camera 4a1, the second camera 4a2, the third camera 4a3 and the fourth camera 4a4 collect the overlapping area b1 between adjacent areas among four different edge areas b on the product. The overlapping area b1 is included between adjacent areas in four acquisition areas respectively acquired by the first camera 4a1, the second camera 4a2, the third camera 4a3 and the fourth camera 4a4, so that the reduction of acquisition accuracy due to the existence of position errors can be avoided.

Further, the four collection areas are larger than the surface area of the product, that is, the four collection areas collected by the camera exceed the edge of the product, so that the accuracy of the collection of the camera is further improved.

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

The cameras 4a are located above the first carrier 30 to collect image information of the product a, the cameras 4a collect different edge areas b of the same product a respectively, and image collection accuracy of the product a is improved. The plurality of light source assemblies 5a are arranged around the first carrying platform 30 to surround the product on the detection surface 31 so as to generate a higher-uniformity illumination effect, and further improve the quality of the acquired image information of the product.

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 arranged along the straight edges of the product, and the second light source assemblies 52b are positioned between two adjacent first light source assemblies 52a to supplement illumination so as to improve the uniformity of illumination of the product by the light source assemblies 5 a.

In a specific example, the product is a mobile phone with a rectangular structure, four first light source assemblies 52a are respectively installed along four straight sides, 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 522 and a light source 521, and the light source support 522 is fixedly mounted on the first carrier 30; the light source 521 is mounted on the light source support 522 with an adjustable angle, so that a plurality of light sources irradiate the area to be detected of the product. The transparent detection surface 31 is preferably glass, and the glass surface has high flatness and good light transmittance, but is not limited to this.

In one embodiment, as shown in fig. 15, the light source support 522 includes a support bar 522a, an adjusting member rotatably connected to the support bar 522a, and a fixing member fixedly connected to the light source, where the fixing member is used to fixedly connect the adjusting member to the support bar 522 a.

The support bar 522a is used to fix the light source on the one hand and to illuminate the product at a preferred angle with the light source at a certain height on the other hand. The adjusting piece is used for adjusting the angle between the light source and the support rod 522a and adjusting the height of the light source, namely adjusting the angle between the light source and the product, so as to improve the illumination effect of the light source on the product. The fixing piece is used for fixing the adjusted supporting frame and the adjusting piece, so that an optimal angle is formed between the light source and the product to illuminate the light source.

In fact, the product detection surface 31 on the first carrier 30 can be matched with products of various sizes, when detecting products of different sizes or detecting different positions of the same product, the central position of the light source irradiated on the product will change, and the angle of the light source is adjusted by the adjusting member to further adjust the central position of the light source irradiated on the product, so that the irradiation effect of the light source on the product is improved. The central position is the position where the light source irradiates the product and has 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 with the first adjusting block 522c, the first adjusting block 522c is provided with an arc-shaped through hole 522e, the arc-shaped through hole 522e can be rotated to enable different positions of the arc-shaped through hole 522e to be matched with a plurality of first mounting holes 522d provided on the supporting rod 522a, and the first mounting holes 522d are matched with the fixing member.

Further, the first adjusting block 522c is connected with the supporting rod 522a through the direction of the pin shaft, that is, the first adjusting block 522c can rotate relative to the supporting rod 522a, after the fixing piece is loosened, the first adjusting block 522c is rotated to enable the arc-shaped through hole 522e to be matched with the first mounting holes 522d at different positions on the supporting rod 522a, the first adjusting block 522c enables the light source to follow the light source to rotate together 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 piece 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 convenient operation, and improves the adjusting efficiency of the light source assembly 5a while ensuring the low cost of the light source assembly 5 a.

In an alternative embodiment, the light source module 5 includes a plurality of annular light sources 5b, the annular light sources 5b are fixedly connected with the camera, and the annular light sources 5b are used for illuminating the product from directly above the product 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 with the camera, compared with the light source assembly 5a installed on the first carrier, 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, while the light source assembly 5a installed on the first carrier is more suitable for detecting edge glue overflow of the product, and the light source assembly 5a can illuminate the product from above the side of the product, so that the edge of the product is in a high-uniformity illumination environment, and the quality of image information of the edge of the product collected by the camera is improved.

In an embodiment, as shown in fig. 17, the light source module 5 further includes a backlight 5d, where the backlight 5d is located below the product and is mounted on the limiting mechanism, and the backlight 5d is used to irradiate the product from the lower surface of the product.

That is, when the camera performs image acquisition on the product, besides the illumination of the product by the light source with four axes, the illumination is performed by the backlight source 5d positioned below the product, so as to further improve the quality of image information acquired by the camera.

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

The PS diffusion plate 5C is used to make the background of the product dark in the image information of the product collected by the camera, and further make the gray value of the glue overflow at the edge of the product form a larger contrast with the background, so as to improve the accuracy of judging the image information collected by the camera.

Preferably, the transmittance of the PS diffusion plate 5C ranges from 60% to 80%. And the front surface of the PS diffusion plate 5C is a mirror surface, and the back surface thereof is a fog surface. The transmittance range of the PS diffusion plate 5C is used to further improve the quality of image information acquired by the camera. The front surface of the PS diffusion plate 5C is a mirror surface, and the back surface is a fog surface, so that the contrast of the image information collected by the camera is further improved, and the accuracy of product detection 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 the lower side of the camera following the second stage 36 under the conveying of the conveying mechanism 7.

That is, after the product to be inspected 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 moves directly under the camera, that is, moves to within the acquisition 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 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, the relative position of the product and the camera can be adjusted by the x, y and z three axes in the coordinate system shown in fig. 9, so that the accuracy of the camera for collecting the product is improved, and the detection precision of the detection device is further improved. The transfer mechanism 7 is preferably a linear servo motor module, but is not limited thereto.

The detection mechanism utilizes the plurality of cameras to respectively and simultaneously acquire the image information of different edge areas b of the same product, and utilizes the plurality of light source assemblies 5a to surround the product a in the process of image acquisition of the cameras so that the product a is in the illumination environment with high uniformity, the quality of the image information of the product a acquired by the cameras is improved, and the detection accuracy of the detection device is further improved.

While the foregoing is directed to the preferred embodiments of the present invention, it will be appreciated by those skilled in the art that various modifications and adaptations can be made without departing from the principles of the present invention, and such modifications and adaptations are intended to be comprehended within the scope of the present invention.

Claims (6)

1. A detection apparatus for a 3C product, the detection apparatus comprising:

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

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 discharging mechanism (6);

A conveying mechanism (7) for moving the limit mechanism (3) from a position corresponding to the first conveying module (2 a) to a position corresponding to the second conveying module (2 b), wherein the conveying direction of the conveying mechanism (7) is perpendicular to the conveying directions 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 discharging mechanism (6);

the detection mechanism includes:

a base (8), the conveying mechanism (7) being mounted on the base (8);

the camera module (4), 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), 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 said light source module (5) locates under the said camera module (4), the said light source module (5) is used for illuminating the said product while the said camera (4 a) gathers the image information of the said product;

A plurality of cameras (4 a) comprise 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 staggered and mounted on the camera support (40), 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 collecting four different edge areas (b) on the product, and the four areas of the first camera (4 a 1), the second camera (4 a 2), the third camera (4 a 3) and the fourth camera (4) for obtaining the product comprise overlapping areas;

the limit mechanism (3) comprises:

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

the driving module is arranged on the first carrying platform (30);

the limiting module is connected with the driving module and 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;

the driving module comprises a first driving piece (31) and a second driving piece, the limiting module comprises a first limiting piece (33), a second limiting piece (32), a third limiting piece (34) and a fourth limiting piece, the first limiting piece (33), the second limiting piece (32) and the first driving piece (31) are connected, the third limiting piece (34), the fourth limiting piece and the second driving piece are connected, the first limiting piece (33) and the second limiting piece (32) are abutted to or far away from two adjacent sides of a product under the driving force of the first driving piece (31), and meanwhile the third limiting piece (34) 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.

2. The inspection apparatus for 3C products according to claim 1, characterized in that said first handling module (2 a) comprises:

the picking module comprises a first picking component (221) and a second picking component (222), wherein the first picking component (221) and the second picking component (222) can move relatively, and the first picking component (221) and the second picking component (222) are used for picking up two products on the feeding mechanism (1) at the same time;

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

3. The inspection apparatus for 3C products according to claim 1, wherein the camera support (40) comprises:

a camera fixing member (41) for mounting the camera (4 a), wherein a first mounting hole and a second mounting hole are formed in the camera fixing member (41);

the camera fixing device comprises a first adjusting piece, a second adjusting piece and a camera fixing piece, wherein 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 passes through the first adjusting holes (421) to be matched with the first mounting holes so that the camera fixing piece (41) is abutted to 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 passes through the second adjusting holes to be matched with the second mounting holes, so that the first adjusting plate (42) is abutted to 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.

4. The inspection apparatus for 3C products according to claim 1, wherein the light source module (5) includes a plurality of light source modules (5 a), a plurality of the light source modules (5 a) being mounted on the spacing mechanism (3), a plurality of the light source modules (5 a) surrounding a defined product on the spacing mechanism (3) to illuminate the same from above a side of the product;

the light source assembly (5 a) comprises:

the light source support frame (522), the light source support frame (522) is fixedly arranged on the limit mechanism (3);

the light source (521), the angle of light source (521) is adjustable install on light source support frame (522) to make a plurality of light sources (521) shine in the area of waiting of product.

5. The inspection apparatus for 3C products according to claim 1, wherein the light source module (5) further comprises:

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

6. The inspection apparatus for 3C products according to claim 1, wherein the light source module (5) further comprises:

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