CN218143877U - Conveying assembly and appearance detection device - Google Patents

Abstract

The utility model discloses a conveying subassembly and outward appearance check out test set, conveying subassembly are used for waiting to detect a conveying along the direction of transfer, and include: a frame; the conveying mechanism is arranged on the rack and comprises a driving wheel, a driven wheel and a conveying belt sleeved outside the driving wheel and the driven wheel, the conveying belt is provided with a conveying part, and the conveying part is used for bearing the piece to be detected; the backup pad, the backup pad is located the frame and is supported in the bottom of conveying portion. According to the utility model discloses a conveying subassembly can guarantee to detect the planarization of placing of piece in the transfer portion.

Description

Conveying assembly and appearance detection device

Technical Field

The utility model belongs to the technical field of the detection technique and specifically relates to a conveying subassembly and outward appearance check out test set are related to.

Background

In the production process of the product, usually, the generation of defects is accompanied, and for this reason, the detection equipment is generally adopted to detect the defects of the product. In the related art, the inspection apparatus may perform appearance inspection on a to-be-inspected piece to identify defects, for example, the PCB (printed circuit board) appearance inspection apparatus may be independently used to inspect defects encountered in a PCB assembly production process; however, the placing smoothness of the to-be-detected piece in the conveying process is poor, so that the detection accuracy of the detection equipment is low.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a conveying assembly, conveying assembly can guarantee to detect the planarization of placing of piece in the transfer portion of detecting.

The utility model discloses still provide an outward appearance check out test set who has above-mentioned conveying subassembly.

According to the utility model discloses conveying assembly of first aspect embodiment, conveying assembly is used for waiting to detect a conveying along direction of transfer, and includes: a frame; the conveying mechanism is arranged on the rack and comprises a driving wheel, a driven wheel and a conveying belt sleeved on the outer sides of the driving wheel and the driven wheel, the conveying belt is provided with a conveying part, and the conveying part is used for bearing a piece to be detected; the supporting plate is arranged on the rack and supported at the bottom of the conveying part.

According to the utility model discloses conveying subassembly is through setting up the backup pad for the backup pad supports in the transfer portion bottom of conveyer belt, can promote to detect the planarization that a piece placed in the transfer portion, can avoid warping greatly and easily leading to detecting the detection accuracy that detects a piece and take place to incline etc. and influence check out test set because of the transfer portion.

In some embodiments, the conveying mechanism is provided in plurality and arranged at intervals along the conveying direction, and the supporting plate is correspondingly arranged on the conveying belt of at least one conveying mechanism.

In some embodiments, a detection port is defined between two adjacent conveying mechanisms, the detection port is suitable for being arranged opposite to the camera assembly, and the two adjacent conveying mechanisms defining the detection port are configured to convey synchronously.

In some embodiments, the transfer assembly further comprises: and the driving mechanism is used for driving the driving wheel to rotate, limits two adjacent detection ports of the conveying mechanism, the driving wheel is arranged adjacently, and the driving mechanism drives the driving wheel to rotate.

In some embodiments, the supporting plate is movably connected with the frame, and a side of the supporting plate, which faces away from the conveying part, is provided with a leveling mechanism for adjusting the inclination of the supporting surface of the supporting plate relative to the conveying plane.

In some embodiments, the supporting plate has a plurality of adjusting parts arranged along the periphery of the supporting plate at intervals, the leveling mechanism comprises a plurality of adjusting parts and a plurality of guiding parts, each adjusting part is arranged in a penetrating manner corresponding to the adjusting part and used for adjusting the height of the adjusting part relative to the rack, and each guiding part is arranged in a penetrating manner corresponding to the adjusting part and used for guiding the movement of the adjusting part relative to the rack.

In some embodiments, the adjusting member is disposed through the adjusting portion and is in threaded engagement with the adjusting portion, one end of the length of the adjusting member abuts against the frame, and the guide member is fixedly disposed on the frame and is in sliding engagement with the adjusting portion.

In some embodiments, the supporting plate is formed as a square plate, and at least four corners of the supporting plate are respectively formed as the regulating parts.

In some embodiments, one end of the driving wheel, which is far away from the driving mechanism, penetrates through the frame and is rotatably connected with the bearing seat through a bearing, the bearing seat is detachably connected with the frame and is formed with a dismounting hole, and the dismounting hole is opposite to the end face of the one end of the driving wheel.

According to the utility model discloses outward appearance check out test set of second aspect embodiment, include according to the utility model discloses the conveying subassembly of above-mentioned first aspect embodiment.

According to the utility model discloses outward appearance check out test set through adopting foretell conveying assembly, can promote outward appearance check out test set's detection accuracy.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a schematic view of a transfer assembly according to one embodiment of the present invention;

FIG. 2 is a cross-sectional view of the transfer assembly shown in FIG. 1;

FIG. 3 is an enlarged view of section A circled in FIG. 2;

FIG. 4 is an enlarged view of the circled portion B of FIG. 2;

FIG. 5 is a partial schematic view of the transfer assembly shown in FIG. 1;

FIG. 6 is an exploded view of the transfer assembly shown in FIG. 5;

FIG. 7 is an enlarged view of the circled portion C of FIG. 6;

FIG. 8 is a cross-sectional view of the transfer assembly shown in FIG. 5;

FIG. 9 is an enlarged view of the circled portion D of FIG. 8;

FIG. 10 is a schematic view of the drive mechanism shown in FIG. 8;

FIG. 11 is an exploded view of the drive mechanism shown in FIG. 10;

fig. 12 is a partial schematic view of an appearance inspection apparatus according to an embodiment of the present invention.

Reference numerals:

appearance inspection apparatus 100, camera module 2,

A conveying component 4, a detection port 4a,

A frame 41, a mounting hole 41a, a frame body 411, a supporting block 412,

A transmission mechanism 42, a driving wheel 421, a driven wheel 422, a transmission belt 423, a transmission part 4231,

A support plate 43, an adjusting portion 431, an adjusting hole 431a, a guide hole 431b,

A leveling mechanism 44, an adjusting member 441, a guide 442,

A drive mechanism 45, a drive motor 451, a gear transmission mechanism 452,

Bearing 46, bearing seat 47, and disassembly hole 47a.

Detailed Description

Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

The following disclosure provides many different embodiments or examples for implementing different features of the invention. In order to simplify the disclosure of the present invention, the components and arrangements of specific examples are described below. Of course, they are merely examples and are not intended to limit the present invention. Furthermore, the present invention may repeat reference numerals and/or letters in the various examples. This repetition is for the purpose of simplicity and clarity and does not in itself dictate a relationship between the various embodiments and/or configurations discussed. In addition, the present disclosure provides examples of various specific processes and materials, but one of ordinary skill in the art may recognize the applicability of other processes and/or the use of other materials.

Next, with reference to the drawings, a transfer assembly 4 according to an embodiment of the present invention is described. The conveying assembly 4 may be used for an inspection apparatus, the inspection apparatus is used for defect inspection and the like of the piece to be inspected, and the conveying assembly 4 may be used for conveying the piece to be inspected in a conveying direction (for example, a left-right direction in fig. 1).

As shown in fig. 1, the conveying assembly 4 includes a frame 41 and a conveying mechanism 42, the conveying mechanism 42 is disposed on the frame 41, the conveying mechanism 42 includes a driving wheel 421, a driven wheel 422, and a conveying belt 423 sleeved outside the driving wheel 421 and the driven wheel 422, the conveying belt 423 has a conveying portion 4231, and the conveying portion 4231 is used for carrying the piece to be detected.

For example, in the example of fig. 2-4, the transmission belt 423 is horizontally disposed, the transmission belt 423 is tensioned on the driving wheel 421 and the driven wheel 422, and the driving wheel 421 drives the transmission belt 423 to move so as to drive the driven wheel 422 to rotate, thereby realizing the transmission of the transmission belt 423; the upper side of the conveyor belt 423 is provided with a conveying part 4231, the to-be-detected piece can be placed on the conveying part 4231, when the conveyor belt runs, the conveying part 4231 runs along the conveying direction to convey the to-be-detected piece, and after the conveying of the to-be-detected piece is completed, the to-be-detected piece rotates from the lower sides of the main driving wheel 421 and the driven wheel 422 to the upper sides of the driving wheel 421 and the driven wheel 422 again. Then, during the operation of the transmission belt 423, the portion of the transmission belt 423 located on the upper side of the driving wheel 421 and the driven wheel 422 can be used as a transmission part 4231 for carrying the object to be detected. Of course, the conveyor belt 423 may also be arranged obliquely or vertically with respect to the horizontal plane.

As shown in fig. 2 to 4, the conveying assembly 4 further includes a supporting plate 43, the supporting plate 43 is disposed on the frame 41, and the supporting plate 43 is supported at the bottom of the conveying portion 4231, so that the supporting plate 43 can indirectly support the to-be-detected member through the conveying portion 4231, and an acting force borne by the conveying portion 4231 is reduced, thereby reducing deformation of the conveying portion 4231 due to bearing of the to-be-detected member, further ensuring flatness of the to-be-detected member placed on the conveying portion 4231, and avoiding that the to-be-detected member is inclined due to large deformation of the conveying portion 4231, and the detection accuracy of the detection apparatus is affected.

It will be appreciated that the support plate 43 does not move with the operation of the belt, which facilitates ensuring that the support plate 43 is always supported at the bottom of the transfer portion 4231 during the transfer of the to-be-detected member by the transfer assembly 4, and that the support plate 43 is also supported at the bottom of the transfer portion 4231 whether or not the to-be-detected member is carried on the transfer portion 4231.

From this, according to the utility model discloses transfer module 4 is through setting up backup pad 43 for backup pad 43 supports in the transfer portion 4231 bottom of conveyer belt 423, can promote to detect the planarization that a place on transfer portion 4231, can avoid warping because of transfer portion 4231 great and easily leading to detecting that a slope etc. and influence check out test set's detection accuracy.

In some embodiments of the present invention, as shown in fig. 1, the conveying mechanism 42 is plural, and the plurality of conveying mechanisms 42 are disposed at intervals along the conveying direction, the supporting plate 43 is correspondingly disposed on the conveying belt 423 of at least one conveying mechanism 42, and the number of the conveying mechanisms 42 correspondingly disposed with the supporting plate 43 is smaller than or equal to the total number of the conveying mechanisms 42. Therefore, the flexible arrangement of the supporting plate 43 is convenient to realize, and the structural diversification design of the conveying assembly 4 is facilitated to realize.

For example, there are two conveying mechanisms 42, and a supporting plate 43 is correspondingly provided on each conveying belt 423 of each conveying mechanism 42, or a supporting plate 43 is correspondingly provided on one conveying belt 423 of one conveying mechanism 42, and at this time, the conveying mechanism 42 provided with the supporting plate 43 may be arranged corresponding to the camera assembly 2 of the detection apparatus, so as to ensure that the to-be-detected piece is placed flatly when the to-be-detected piece is conveyed to a position corresponding to the camera assembly 2, but is not limited thereto.

It is understood that one transport mechanism 42 may be provided with one or more support plates 43.

Of course, the number of the transfer mechanisms 42 may be three or more. For example, in the example of fig. 1, 5, and 6, there are three transport mechanisms 42, two of the transport mechanisms 42 are respectively provided with the support plates 43, one of the transport mechanisms 42 is provided with one of the support plates 43, and the other transport mechanism 42 is provided with two of the support plates 43.

In some embodiments of the present invention, as shown in fig. 2-4, the conveying belt 423 is substantially formed as a ring structure, the supporting plate 43 is disposed inside the conveying belt 423, and the supporting plate 43 is located between the driving wheel 421 and the driven wheel 422, so that the supporting plate 43 can reliably support the conveying portion 4231, which is beneficial to reducing the volume of the supporting plate 43 and the material consumption of the supporting plate 43, thereby facilitating the setting of the supporting plate 43 and reducing the cost.

Of course, in other embodiments of the present application, a portion of the support plate 43 may be disposed inside the conveyor belt 423 and between the driving wheel 421 and the driven wheel 422, and another portion of the support plate 43 may be disposed outside the conveyor belt.

The utility model discloses an in some embodiments, as shown in fig. 1, inject between two adjacent transport mechanism 42 and detect mouth 4a, detect mouth 4a and be suitable for and make a video recording subassembly 2 relative setting, then make a video recording subassembly 2 can detect the image information on the surface that detects the piece and transport assembly 4 contact through detecting mouth 4a collection, need not to detect the piece upset that detects and come to carry out once more and gather, is favorable to promoting detection equipment's detection efficiency.

For example, as shown in fig. 12, the upside and the downside of conveying subassembly 4 are equipped with camera assembly 2 respectively, wait to detect a level and place on conveying subassembly 4, upside camera assembly 2 is shot downwards in order to gather the image information who waits to detect the upper surface of piece, downside camera assembly 2 is shot upwards in order to wait to detect the image information of the lower surface of piece through detection mouth 4a collection to make check out test set can just realize waiting to detect the image acquisition of piece upper and lower surface in waiting to detect a conveying process of piece, promoted detection efficiency.

Two adjacent conveying mechanisms 42 defining the detection port 4a are constructed to be synchronously conveyed so as to ensure that a piece to be detected stably passes through a detection position opposite to the detection port 4a at a constant speed, and ensure that the camera shooting assembly 2 accurately collects image information. Here, the two conveying mechanisms 42 convey synchronously, and it can be understood that the conveying speed of the conveying belts 423 of the two conveying mechanisms 42 is the same.

In some embodiments, as shown in fig. 1 and 5, the conveying assembly 4 further includes a driving mechanism 45, the driving mechanism 45 is configured to drive the driving wheel 421 to rotate, so as to realize the operation of the conveying mechanism 42, wherein the driving wheels 421 of two adjacent conveying mechanisms 42 defining the detecting opening 4a are adjacently arranged, and the two driving wheels 421 are adapted to be driven to rotate by the same driving mechanism 45, so as to effectively ensure the synchronous conveying of the two conveying mechanisms 42.

For example, in the example of fig. 10 and 11, the driving mechanism 45 may include a driving motor 451 and a gear transmission 452, the gear transmission 452 includes a driving gear and two driven gears, the driving gear simultaneously drives the two driven gears to rotate, and the gear transmission 452 may be provided in a gear box.

Of course, the driving wheels 421 of two adjacent conveying mechanisms 42 defining the detection port 4a may also be respectively connected to different driving mechanisms 45 to be driven by the different driving mechanisms 45 to rotate, so that the synchronous conveying of the two conveying mechanisms 42 can also be realized, and the cost reduction is facilitated.

In some embodiments of the utility model, as shown in fig. 6 and 7, backup pad 43 links to each other with frame 41 activity, one side of backup pad 43 dorsad the transfer portion 4231 is equipped with leveling mechanism 44, leveling mechanism 44 is used for adjusting the holding surface of backup pad 43 for the gradient of transfer plane, then leveling mechanism 44 can adjust the contained angle between holding surface and the transfer plane for the holding surface tends to the transfer plane setting, with the planarization of effectively guaranteeing the holding surface, thereby further promote to detect placing the planarization of treating the piece.

It should be noted that the "conveying plane" may be understood as an ideal placing plane of the to-be-detected object, and if the supporting plate 43 is not provided, the conveying portion 4231 may deform under the action of gravity of the to-be-detected object, so that the bearing surface of the conveying portion 4231 is offset from the conveying plane; by arranging the supporting plate 43 and the leveling mechanism 44 to adjust the inclination of the supporting surface relative to the conveying plane, the bearing surface of the transmission part tends to be arranged on the conveying plane under the supporting action of the supporting plate 43, and the placing smoothness of the to-be-detected piece is improved. For example, if the piece to be detected is placed horizontally during transport, the transport plane may be horizontal.

In some embodiments of the present invention, as shown in fig. 6 and 7, the supporting plate 43 has a plurality of adjusting portions 431 disposed along the periphery of the supporting plate 43 at intervals, the leveling mechanism 44 includes a plurality of adjusting members 441 and a plurality of guiding members 442, each adjusting member 441 is disposed through the corresponding adjusting portion 431, and each adjusting member 441 is used for adjusting the height of the adjusting portion 431 relative to the frame 41, then the leveling mechanism 44 can adjust the height of a plurality of positions on the supporting plate 43 relative to the frame 41, so as to achieve the adjustment of the inclination of the supporting surface relative to the conveying plane, each guiding member 442 is disposed through the corresponding adjusting portion 431, and each guiding member 442 is used for guiding the movement of the adjusting portion 431 relative to the frame 41, that is, in the process of adjusting the height of the adjusting portion 431 relative to the frame 41 by the adjusting members 441, the adjusting portion 431 moves relative to the frame 41, and the guiding members 442 can guide the movement of the adjusting portion 431, so as to avoid the position deviation of the adjusting portion 431, so as to ensure the adjusting accuracy of the leveling mechanism 44, and at the same time that the adjusting member 441 is always matched with the adjusting portion 431 and the frame 41.

For example, the support plate 43 is formed as a square plate, and at least four corners of the support plate 43 are respectively formed as the regulating portions 431, that is, the regulating portions 431 are at least four. In the example of fig. 6 and 7, the supporting plate 43 has four adjusting portions 431, the four adjusting portions 431 are respectively correspondingly located at four corners of the supporting plate 43, in this case, the number of the adjusting members 441 is four, and each adjusting member 441 is used for adjusting the height of the corner of the supporting plate 43 relative to the frame 41, thereby being beneficial to improving the adjusting efficiency of the leveling mechanism 44.

Of course, the shape of the support plate 43, the number of the adjustment portions 431 provided are not limited thereto; for example, the support plate 43 is formed as a square plate, and the adjustment portions 431 may also be six, seven, eight, or the like.

In some embodiments, as shown in fig. 6 and 7, the adjusting member 441 is disposed through the adjusting portion 431, and the adjusting member 441 is in threaded engagement with the adjusting portion 431, and one end of the length of the adjusting member 441 abuts against the frame 41, so that the adjusting member 441 can be rotated to enable the adjusting member 441 and the adjusting portion 431 to move relatively in the length direction of the adjusting member 441, so that the relative position of the adjusting portion 431 and the frame 41 in the length direction of the adjusting member 441 can be adjusted to achieve height adjustment of the adjusting portion 431 relative to the frame 41, and further, due to the threaded engagement of the adjusting member 441 and the adjusting portion 431, stepless adjustment of the adjusting mechanism can be achieved to ensure adjustment flexibility of the leveling mechanism 44 and ensure that the supporting surface effectively tends to the conveying plane arrangement.

The guide 442 is fixedly arranged on the frame 41, and the guide 442 is in sliding fit with the adjusting portion 431, so that in the process that the adjusting portion 441 adjusts the relative position between the adjusting portion 431 and the frame 41, the adjusting portion 431 can slide along the guide 442, the projection position of the adjusting portion 431 in the moving direction is ensured to be constant all the time, the adjusting portion 431 is prevented from moving in other directions to cause the adjusting portion 441 to be separated from the frame 41 to stop, and the use reliability of the leveling mechanism 44 is improved.

For example, in the example of fig. 7, the adjusting portion 431 may have an adjusting hole 431a and a guide hole 431b formed therein, the adjusting piece 441 is screwed into the adjusting hole 431a, the guide piece 442 is inserted into the guide hole 431b, the guide piece 442 is slidably fitted to the guide hole 431b in the up-and-down direction, and the lower end of the guide piece 442 is mounted to the mounting hole 41a of the frame 41. The frame 41 may include a frame body 411 and a supporting block 412, the supporting block 412 is fixedly disposed on the frame body 411, the supporting block 412 extends into the lower side of the supporting plate 43, the lower end of the adjusting member 441 abuts against the supporting block 412, and the guiding member 442 is mounted on the supporting block 412.

In some embodiments of the present invention, as shown in fig. 8 and 9, one end of the driving wheel 421, which is far away from the driving mechanism 45, is inserted into the frame 41, and the one end of the driving wheel 421 is rotatably connected to the bearing seat 47 through the bearing 46, the bearing seat 47 is detachably connected to the frame 41, and the bearing seat 47 is formed with a detachment hole 47a, and the detachment hole 47a is disposed opposite to the end surface of the one end of the driving wheel 421. Therefore, when the matching of the driving wheel 421 and the bearing 46 needs to be disassembled, the bearing seat 47 can be disassembled from the frame 41, the disassembling piece extends into the disassembling hole 47a, the disassembling piece is abutted against the end face of one end, far away from the driving mechanism 45, of the driving wheel 421, an acting force towards the driving wheel 421 is applied to the disassembling piece at the moment, and/or an acting force far away from the driving wheel 421 is applied to the bearing seat 47, so that the driving wheel 421 is quickly separated from the bearing 46, and the disassembling efficiency is improved.

Optionally, the detaching member may be a threaded member such as a screw, and at this time, the detaching member may be in threaded fit with the detaching hole 47a, and after the detaching member stops abutting on the driving wheel 421, the detaching member is rotated, so that the driving wheel 421 and the bearing seat 47 can be quickly separated. Of course, the dismounting member may also be a non-threaded member, and in this case, the dismounting member may be hit in a direction towards the driving wheel 421, and the quick separation of the driving wheel 421 and the bearing seat 47 may also be achieved.

It is to be understood that, when the transfer mechanism 42 is plural, at least one of the plural driving wheels 421 is correspondingly provided with a bearing housing 47 having a removal hole 47a. When two driving wheels 421 are adjacently arranged, the two driving wheels 421 may share the same bearing seat 47 with the dismounting hole 47a.

For example, in the example of fig. 8 and 9, the plurality of transfer mechanisms 42 are provided, the detection port 4a is defined between two adjacent transfer mechanisms 42, and the driving wheels 421 of the two transfer mechanisms 42 are adjacently arranged and share the same bearing seat 47 with the removal hole 47a. Of course, the detection port 4a may not be defined between the two transfer mechanisms 42 corresponding to the two driving wheels 421 sharing the same bearing housing 47 with the detachment hole 47a.

According to the second aspect of the present invention, an appearance inspection apparatus 100 includes a transfer assembly 4 according to the first aspect of the present invention.

According to the utility model discloses outward appearance check out test set 100, through adopting foretell transfer module 4, can promote outward appearance check out test set 100's detection accuracy.

Other configurations and operations of the appearance inspection apparatus 100 according to the embodiment of the present invention are known to those skilled in the art and will not be described in detail herein.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims (10)

1. A transfer assembly (4), characterized in that the transfer assembly (4) is intended for transferring pieces to be inspected in a transfer direction and comprises:

a frame (41);

the conveying mechanism (42) is arranged on the rack (41) and comprises a driving wheel (421), a driven wheel (422) and a conveying belt (423) sleeved on the outer sides of the driving wheel (421) and the driven wheel (422), the conveying belt (423) is provided with a conveying part (4231), and the conveying part (4231) is used for bearing a piece to be detected;

a support plate (43), wherein the support plate (43) is arranged on the frame (41) and is supported at the bottom of the conveying part (4231).

2. A transfer assembly (4) according to claim 1, wherein the transfer means (42) are plural and spaced apart in the transfer direction, the conveyor belt (423) of at least one of the transfer means (42) being correspondingly provided with the support plate (43).

3. The transfer assembly (4) of claim 2, wherein two adjacent transfer mechanisms (42) define a detection port (4 a) therebetween, the detection port (4 a) is adapted to be disposed opposite the camera assembly (2), and the two adjacent transfer mechanisms (42) defining the detection port (4 a) are configured to be transferred simultaneously.

4. The transfer assembly (4) of claim 3, further comprising:

drive mechanism (45), drive mechanism (45) are used for the drive action wheel (421) rotate, inject two adjacent of detection mouth (4 a) transport mechanism (42) action wheel (421) adjacent setting, and by same drive mechanism (45) drive rotation.

5. A transfer assembly (4) according to claim 1, wherein the support plate (43) is movably connected to the frame (41), and wherein a side of the support plate (43) facing away from the transfer portion (4231) is provided with a leveling mechanism (44), the leveling mechanism (44) being adapted to adjust an inclination of a support surface of the support plate (43) with respect to a transfer plane.

6. A conveyor assembly (4) as claimed in claim 5, wherein the support plate (43) has a plurality of adjustment portions (431) arranged at intervals along the periphery of the support plate (43), the leveling mechanism (44) comprises a plurality of adjustment members (441) and a plurality of guide members (442), each of the adjustment members (441) being pierced in correspondence of the adjustment portion (431) and serving to adjust the height of the adjustment portion (431) with respect to the frame (41), each of the guide members (442) being pierced in correspondence of the adjustment portion (431) and serving to guide the movement of the adjustment portion (431) with respect to the frame (41).

7. The transfer assembly (4) of claim 6, wherein the adjusting member (441) is disposed through the adjusting portion (431) and is in threaded engagement with the adjusting portion (431), one end of the length of the adjusting member (441) is abutted against the frame (41), and the guide member (442) is fixedly disposed on the frame (41) and is in sliding engagement with the adjusting portion (431).

8. The transfer assembly (4) of claim 6, wherein the support plate (43) is formed as a square plate, and at least four corners of the support plate (43) are respectively formed as the regulating portions (431).

9. The transfer assembly (4) according to any of claims 1-8, wherein an end of the driving wheel (421) remote from the driving mechanism (45) is inserted into the frame (41) and is rotatably connected to a bearing seat (47) through a bearing (46), the bearing seat (47) is detachably connected to the frame (41) and is formed with a detachment hole (47 a), and the detachment hole (47 a) is disposed opposite to an end surface of the end of the driving wheel (421).

10. An appearance inspection device (100) characterized by comprising a conveyor assembly (4) according to any one of claims 1-9.

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