CN217229442U

CN217229442U - Roller type conveying device and detection equipment

Info

Publication number: CN217229442U
Application number: CN202220974660.XU
Authority: CN
Inventors: 常卓越; 李波音; 孔志营; 刘强
Original assignee: Casi Vision Technology Luoyang Co Ltd; Casi Vision Technology Beijing Co Ltd
Current assignee: Casi Vision Technology Luoyang Co Ltd; Casi Vision Technology Beijing Co Ltd
Priority date: 2022-04-22
Filing date: 2022-04-22
Publication date: 2022-08-19
Anticipated expiration: 2032-04-22

Abstract

The utility model relates to the technical field of glass cover plate detection equipment, in particular to a roller type conveying device and detection equipment for detecting an ultrathin glass cover plate, wherein the device comprises a bearing seat component and a thin roller component; the bearing seat assembly comprises two parallel bearing seats which are arranged at intervals, and the thin roller assembly is arranged between the two bearing seats to form a conveying area with a set length; the fine roller assembly comprises a plurality of fine rollers, two ends of each fine roller are respectively and rotatably connected with two bearing seats, and the axial direction of each fine roller is vertical to the length direction of each bearing seat; the conveying area comprises a dense area and a sparse area, and the interval between the adjacent thin rollers in the dense area is smaller than that in the sparse area. The utility model discloses technical scheme, the interval at the thin roller of intensive district is less, and ultra-thin glass apron conveying stability is high, consequently, can not warp or warp fluctuation less at the ultra-thin glass apron in intensive district, and corresponding corresponds intensive district setting with check out test set, and then can realize the accurate detection to ultra-thin glass apron.

Description

Roller type conveying device and detection equipment

Technical Field

The utility model relates to a glass apron check out test set technical field especially relates to a roll-type conveyor and check out test set for ultra-thin glass apron detects.

Background

With the development of science and technology and the improvement of living standard, intelligent electronic equipment gradually becomes one of the necessary products of people's life. The glass cover plate is mainly used for protecting, beautifying and decorating the outside of the intelligent equipment and is used as an important medium for man-machine interaction. For example, the touch screen protective glass of a mobile phone or a tablet computer and the back glass on the back surface of the touch screen protective glass are both used for protecting core components such as a chip circuit inside the device and have a beautifying function.

At present, glass cover plates required by popular intelligent wearable electronic products such as folding screen mobile phones, intelligent wristwatches and the like are different from the traditional thick glass, and ultrathin glass is used. The thickness of the ultrathin glass is generally only 0.01mm-0.03mm, and the ultrathin glass has stronger flexibility.

On traditional roll table conveyor, because the effect of ultra-thin glass self gravity for ultra-thin glass surface undulation is uneven, is difficult for going on or can't carry out the detection operation, if change belt transport, faces dirty risk again. Therefore, a device which can clean and stably convey the ultrathin glass is urgently needed to ensure the implementation of the efficient detection of the ultrathin glass cover plate.

SUMMERY OF THE UTILITY MODEL

For solving the technical problem more than at least that exists among the prior art, the embodiment of the utility model provides a roller conveyor and check out test set.

The embodiment of the utility model provides a roll type conveyor on the one hand, including bearing frame subassembly and thin roller assembly; the bearing seat assembly comprises two parallel bearing seats which are arranged at intervals, and the thin roller assembly is arranged between the two bearing seats to form a conveying area with a set length; the fine roller assembly comprises a plurality of fine rollers, two ends of each fine roller are respectively and rotatably connected with the two bearing seats, and the axial direction of each fine roller is perpendicular to the length direction of the bearing seats; the conveying area comprises a dense area and a sparse area, and the interval between the adjacent thin rollers in the dense area is smaller than the interval between the adjacent thin rollers in the sparse area.

In some embodiments, the roller conveying device is used for conveying the ultra-thin glass cover plate during the detection of the ultra-thin glass cover plate; the conveying area comprises two sparse areas and one dense area; the dense region is located between two of the sparse regions.

In some embodiments, the thin roller assembly further comprises a bearing, a driven wheel and a limit nut, one end of the thin roller is connected with the driven wheel, the other end of the thin roller is connected with the limit nut, and the bearings are respectively arranged at the connection positions of the thin roller and the two bearing seats; the bearing seat is provided with a bearing mounting hole, the bearing is arranged in the bearing mounting hole, the driven wheel and the limit nut are respectively positioned on one side of the bearing seat on the same side, which is far away from the conveying area, wherein the driven wheel is connected with a power shaft assembly; preferably, the fine roller comprises a shaft core, and the surface of the shaft core is wrapped with a high molecular compound shaft sleeve; the high molecular compound shaft sleeve is one or more of a polyether-ether-ketone shaft sleeve, an ultrahigh molecular polyethylene shaft sleeve or a polyformaldehyde resin shaft sleeve.

In some embodiments, the end parts of two adjacent thin rollers on the same side are provided with the driven wheel, and the end part of the other thin roller is provided with the limit nut; and the power shaft assemblies are respectively arranged on one sides of the two bearing seats far away from the conveying area.

In some embodiments, the powered axle assembly includes a mounting plate, a pedestal bearing, a rotating shaft, and a drive wheel; the belt seat bearing is fixedly connected with the mounting plate, the rotating shaft penetrates through the belt seat bearing and is fixedly connected with the belt seat bearing, and the driving wheel is fixedly connected with the rotating shaft and synchronously rotates with the rotating shaft; the driving wheel is connected with the driven wheel, and the rotating shaft is connected with a motor assembly; preferably, the drive wheel and the driven wheel are magnetic wheels.

In some embodiments, the bearing block assembly further comprises a base plate, two of the bearing blocks and the mounting plate being disposed on the base plate; the bearing seat comprises a plurality of sub-shaft seats, a plurality of positioning grooves are formed in the mounting surface of the base plate, and clamping protrusions used for being clamped with the positioning grooves are arranged at the bottom of the bearing seat.

In some embodiments, the motor assembly includes a motor, a drive pulley, a driven pulley, and a first timing belt; the driving belt wheel is connected with an output shaft of the motor, the driven belt wheel is connected with the rotating shaft, and the driving belt wheel is connected with the driven belt wheel through the first synchronous belt.

In some embodiments, the rotating shaft of one of the two power shaft assemblies is connected with the motor assembly; belt wheels are respectively arranged at the same ends of the rotating shafts of the two power shaft assemblies, and the two belt wheels are connected through a second synchronous belt; and at least one synchronous belt tensioning assembly is arranged on the second synchronous belt.

In some embodiments, an encoder assembly is further included, the encoder assembly including an encoder, an encoder mounting bracket, and an encoding coupling; the shell of encoder with the encoder installing support is connected, and the axle of encoder with the coding coupling joint, the encoder installing support with the bearing frame is connected, the coding coupling joint with thin roller is connected.

The embodiment of the utility model provides a another aspect provides a check out test set, including above-mentioned roller conveyor.

The embodiment of the utility model provides a pair of roller type conveyor and check out test set, during the use, ultra-thin glass apron is carried on thin roller, and wherein, is less at the interval of the thin roller of intensive district, and ultra-thin glass apron conveying stability is high, and consequently, can not warp or warp fluctuation less at the ultra-thin glass apron of intensive district, and is corresponding intensive district setting with check out test set, and then can realize the accurate detection to ultra-thin glass apron.

Drawings

The above and other objects, features and advantages of exemplary embodiments of the present invention will become readily apparent from the following detailed description read in conjunction with the accompanying drawings. Several embodiments of the present invention are illustrated by way of example, and not by way of limitation, in the figures of the accompanying drawings and in which:

in the drawings, the same or corresponding reference numerals indicate the same or corresponding parts.

Fig. 1 is a schematic structural view of a roller conveyor according to an embodiment of the present invention;

fig. 2 is a schematic structural view of a bearing block assembly in a roller conveyor according to an embodiment of the present invention;

FIG. 3 is a schematic view of a thin roller assembly of a roller conveyor according to an embodiment of the present invention;

fig. 4 is a schematic structural view of a power shaft assembly in the roller conveyor according to an embodiment of the present invention;

fig. 5 is a schematic structural view of a motor assembly in the roller conveyor according to an embodiment of the present invention;

fig. 6 is a schematic structural diagram of a synchronous belt tensioning assembly in the roller type conveying device according to the embodiment of the present invention;

fig. 7 is a schematic structural diagram of an encoder assembly in a roller conveyor according to an embodiment of the present invention.

In the figure:

1: a bearing housing assembly; 2: a fine roller assembly; 3: a synchronous belt tensioning assembly; 4: a second synchronous belt; 5: a power shaft assembly; 6: a motor assembly; 7: an encoder assembly;

101: a base plate; 102: a first sub-shaft seat; 103: a second sub-shaft seat; 104: a third sub-shaft seat; 105 a fourth sub-shaft seat; 106: a fifth sub-shaft seat; 107: a sixth sub-shaft seat;

201: a driven wheel; 202: a spacer ring; 203: a bearing; 204: a fine roller; 205: a limit nut;

301: a fixed seat; 302: adjusting the bracket; 303: a tension pulley shaft; 304: a synchronous idler; 305: a circlip;

501: a first rotating shaft; 502: mounting a plate; 503: a pedestal bearing; 504: a drive wheel; 505: a second rotating shaft; 506: a third rotating shaft; 507: a first coupling; 508: a second coupling;

601: a motor; 602: a motor mounting plate; 603: a driving pulley; 604: a first synchronization belt; 605: a driven pulley; 606: a motor seat plate;

701: an encoder; 702: an encoder mounting bracket; 703: and (4) coding the coupler.

Detailed Description

To make the objects, features and advantages of the present invention more obvious and understandable, the embodiments of the present invention are described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and obviously, the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by the skilled in the art without creative work belong to the protection scope of the present invention.

As shown in fig. 1, the utility model provides a pair of roller conveyor, including bearing frame subassembly 1, thin roller subassembly 2, hold-in range tensioning assembly 3, second hold-in range 4, power shaft subassembly 5, motor element 6 and encoder subassembly 7.

In the roller type conveying device, a bearing seat assembly 1 supports a thin roller assembly 2, a power shaft assembly 5 is connected with a motor assembly 6, and the motor assembly 6 outputs power to the thin roller assembly 2 through the power shaft assembly 5; the two power shaft assemblies 5 are connected through a second synchronous belt 4, and the tension of the second synchronous belt 4 is adjusted through a synchronous belt tensioning assembly 3; and the rotation of the fine roller assembly 2 is detected in real time by the encoder assembly 7.

The structure and the operation principle of the roller conveyor will be described in detail with reference to the accompanying drawings.

As shown in fig. 1 and 3, the assembly of fine rollers 2 is disposed on the bearing housing assembly 1 to form a delivery area for the ultra-thin glass cover sheet, wherein the delivery area includes a dense area and a sparse area, and the spacing between adjacent fine rollers 204 in the dense area is less than the spacing between adjacent fine rollers 204 in the sparse area. The distance between the thin rollers 204 in the dense area is small, and the conveying stability of the ultrathin glass cover plate is high, so that the ultrathin glass cover plate in the dense area cannot be deformed or deformed and fluctuated less, the detection equipment is correspondingly arranged corresponding to the dense area, and the accurate detection of the ultrathin glass cover plate can be realized.

Illustratively, the inter-axis spacing of the fine rollers 204 in the dense region is 13mm, and the inter-axis spacing of the fine rollers 204 in the sparse region is 26 mm.

In some embodiments, the fine rollers 204 in the dense region in the conveying region serve as detection stations that are smaller in proportion in the conveying region than in the sparse region.

Illustratively, the transport zone includes two sparse zones and one dense zone; the dense region is located between two sparse regions. For example, the two sparse regions may have the same width or different widths, and this embodiment is not limited thereto. For example, the dense zone accounts for 20% of the conveying length of the entire conveying zone.

As shown in fig. 2, in some embodiments, the bearing seat assembly 1 includes two parallel bearing seats and a bottom plate 101, wherein the two bearing seats are disposed on the bottom plate 101; the bearing seats are at a set distance from the edge of the base plate 101 on the same side, and the part of the base plate 101 is used for installing the power shaft assembly 5, and the specific installation mode refers to the following description.

Illustratively, the bearing seat comprises a plurality of sub-bearing seats, the mounting surface of the bottom plate 101 is provided with a plurality of positioning grooves (not shown in the figure), and the bottom of the bearing seat is provided with clamping protrusions (not shown in the figure) for clamping with the positioning grooves. The bearing frame sets up to the components of a whole that can function independently structure, makes things convenient for the dismouting operation, and can carry out the modularization processing to the bearing frame to and when sub-axle bed lies in bottom plate 101 installation, carry out the joint location through constant head tank and joint arch, can ensure the connection accuracy between sub-axle bed and bottom plate 101, and then ensure the installation accuracy of thin roller 204 on the bearing frame. The embodiment of the utility model provides an in, do not do the injecing to the bellied position of constant head tank and joint, for example, the joint is protruding to be set up on bottom plate 101, and the constant head tank sets up the bottom at the bearing frame.

For example, each bearing seat comprises 3 sub-shaft seats, i.e. the bearing seat on one side comprises a first sub-shaft seat 102, a second sub-shaft seat 103 and a third sub-shaft seat 104, and the bearing seat on the other side comprises a fourth sub-shaft seat 105, a fifth sub-shaft seat 106 and a sixth sub-shaft seat 107. Each sub-shaft seat is provided with at least one clamping protrusion.

As shown in fig. 3, in some embodiments, the thin roller assembly 2 comprises a thin roller 204, a bearing 203, a driven wheel 201 and a limit nut 205, one end of the thin roller 204 is connected with the driven wheel 201, the other end is connected with the limit nut 205, and the bearings 203 are respectively arranged at the connection positions of the thin roller 204 and two bearing seats; the bearing seat is provided with a bearing mounting hole, the bearing 203 is arranged in the bearing mounting hole, and the driven wheel 201 and the limit nut 205 are respectively positioned on one side of the bearing seat on the same side, which is far away from the conveying area. The axis direction of the thin roller 204 is perpendicular to the longitudinal direction of the bearing housing.

Illustratively, the outer diameter of the thin roller 204 is 8 mm to 12 mm. The fine roller 204 comprises a shaft core, and the surface of the shaft core is wrapped with a high molecular compound shaft sleeve; the polymer compound shaft sleeve is one or more of a polyether-ether-ketone shaft sleeve, an ultra-high molecular polyethylene shaft sleeve or a polyformaldehyde resin shaft sleeve. Optionally, the shaft core is made of SUS440C material, and the high molecular compound shaft sleeve is made of PEEk material, so that the rigidity and the machinability of the thin roller 204 are ensured, the cleanness is also ensured, and the surface of the ultrathin glass cover plate is not polluted.

Illustratively, the outer diameter of the bearing 203 is larger than that of the thin roller 204, spacer rings 202 are respectively arranged on the thin roller 204 between the bearing 203 and the driven wheel 201 and between the bearing 203 and the limit nut 205, and the outer diameter of the spacer rings 202 is smaller than that of the thin roller 204. Set up the bearing mounting hole that is used for holding bearing 203 on the bearing frame to and be equipped with the baffle on the bearing mounting hole, be equipped with the perforation on the baffle, spacer ring 202 joint in the perforation, and then can avoid thin roller 204 and bearing frame dislocation or drop.

As shown in fig. 4, in some embodiments, powered axle assembly 5 includes a mounting plate 502, a pedestal bearing 503, a rotating shaft, and a drive wheel 504; the mounted bearing 503 is fixedly connected with the mounting plate 502, the rotating shaft penetrates through the mounted bearing 503 and is fixedly connected with the bearing 203, and the driving wheel 504 is fixedly connected with the rotating shaft and synchronously rotates with the rotating shaft; drive wheel 504 is connected to driven wheel 201 and the shaft is connected to motor assembly 6.

In some embodiments, the bearing seats are a set distance from the edge of the base plate 101 on the same side, and the mounting plate 502 is fixedly disposed on that portion of the base plate 101. The rotating shaft and the magnetic wheel are mounted on the mounting plate 502 through the bearing 503 with the seat, and then mounted on the bottom plate 101 through the mounting plate 502.

Illustratively, the driving wheel 504 and the driven wheel 201 are magnetic wheels. The magnetic wheel can realize non-contact torque transmission and is suitable for use in dustless environment.

Further, on the end portions of two thin rollers 204 positioned on the same side in two adjacent thin rollers 204, the end portion of one thin roller 204 is provided with a driven wheel 201, and the end portion of the other thin roller 204 is provided with a limit nut 205; and one sides of the two bearing seats far away from the conveying area are respectively provided with a power shaft assembly 5. That is, the two adjacent thin rollers 204 are installed in opposite directions, and the installation mode can avoid the interference of the adjacent magnetic wheels, so that the axial distance between the adjacent thin rollers 204 can be further reduced. Each powered axle assembly 5 can rotate half of the number of assembly of sliver rollers 2 by means of magnetic wheels.

Illustratively, one power shaft assembly 5 includes a plurality of sets of rotating structures, one rotating structure includes a rotating shaft and a plurality of bearings 503 with seats, each rotating shaft is provided with a plurality of magnetic wheels, and the rotating shafts of adjacent rotating structures are connected through a coupling. For example, one power shaft assembly 5 includes 3 sets of rotating structures, the first rotating shaft 501 is connected with the second rotating shaft 505 through a first coupling 507, and the second rotating shaft 505 is connected with the third rotating shaft 506 through a second coupling 508.

As shown in fig. 1 and 5, the motor assembly 6 includes a motor 601, a driving pulley 603, a driven pulley 605, and a first timing belt 604; the driving pulley 603 is connected to an output shaft of the motor 601, the driven pulley 605 is connected to a rotating shaft, and the driving pulley 603 and the driven pulley 605 are connected by a first timing belt 604.

The shell of the motor 601 is connected with the motor mounting plate 602, the bottom of the motor mounting plate 602 is connected with the motor seat plate 606, and the motor 601 is mounted on the supporting device through the motor seat plate 606. The driving pulley 603 rotates, and the first timing belt 604 drives the driven pulley 605 to rotate synchronously, so as to drive the rotating shaft of the power shaft assembly 5 to rotate.

As shown in fig. 1, in some embodiments, the rotating shaft of one of the two power shaft assemblies 5 is connected with a motor assembly 6; the same ends of the rotating shafts of the two power shaft assemblies 5 are respectively provided with belt wheels, and the two belt wheels are connected through a second synchronous belt 4. By arranging the second synchronous belt 4, the rotation synchronization of the two power shaft assemblies 5 can be ensured, and simultaneously, the rotation synchronization of all the thin roller assemblies 2 is also ensured, and finally, the stability of the transmission of the ultra-thin glass cover plate on the thin roller assemblies is ensured.

Illustratively, the second timing belt 4 and pulleys are disposed at the front ends of the powered axle assemblies 5, while the motor assembly 6 is disposed at the distal end of one of the powered axle assemblies 5.

As shown in fig. 1 and 6, at least one timing belt tension assembly 3 is provided on the second timing belt 4. The synchronous belt tensioning assembly 3 comprises a fixed seat 301, an adjusting bracket 302, a tensioning wheel shaft 303, a synchronous idler wheel 304 and an elastic retainer ring 305, wherein the fixed seat 301 is used for being connected with the base plate 101, one side of the fixed seat 301 is connected with the adjusting bracket 302, the tensioning wheel shaft 303 is arranged on the adjusting bracket 302, the tensioning wheel shaft 303 can move along the direction perpendicular to the moving direction of the second synchronous belt 4, the synchronous idler wheel 304 is connected on the tensioning wheel shaft 303, and one end, away from the tensioning wheel shaft 303, of the synchronous idler wheel 304 is provided with the elastic retainer ring 305. When the tensioning device is used, the synchronous idler pulley 304 is pressed on the second synchronous belt 4 and can synchronously rotate along with the second synchronous belt 4, when the second synchronous belt 4 is loosened, the position of the tensioning wheel shaft 303 can be adjusted, the position of the synchronous idler pulley 304 is changed, the synchronous idler pulley 304 is enabled to extrude the second synchronous belt 4, and the second synchronous belt 4 is enabled to be tightened. Conversely, when the second timing belt 4 is over-tightened, the second timing belt 4 may be loosened by the timing belt tensioning assembly 3.

Optionally, two synchronous belt tensioning assemblies 3 are arranged on the second synchronous belt 4, and the tightness of the second synchronous belt 4 can be adjusted by adjusting one or two synchronous belt tensioning assemblies 3.

As shown in fig. 7, in some embodiments, the roller conveyor device further comprises an encoder assembly 7, the encoder assembly 7 comprising an encoder 701, an encoder mounting bracket 702, and an encoder coupler 703; the shell of the encoder 701 is connected with an encoder mounting bracket 702, the shaft of the encoder 701 is connected with an encoder coupler 703, the encoder mounting bracket 702 is connected with a bearing seat, and the encoder coupler 703 is connected with the thin roller 204. The rotation of the assembly of fine rollers 2 can be detected in real time by the encoder assembly 7.

The embodiment of the utility model provides a check out test set, including above-mentioned roller conveyor. The detection equipment comprises detection equipment for detecting the ultrathin glass cover plate, and the detection equipment corresponds to the compact area of the conveying area and is used for acquiring information of the ultrathin glass cover plate on the compact area. The distance between the fine roller shafts of the detection positions is small, so that the good image acquisition and detection quality of the ultrathin glass cover plate can be ensured.

Meanwhile, the surface of the thin roller is made of a clean material, for example, polyether ether ketone (PEEK), and the clean material can avoid the pollution to the surface of the ultrathin glass cover plate; and the roller type conveying device has high automation degree and compact structure, one motor component can ensure the synchronous rotation of all rotating shafts, and the use cost is lower.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., 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 invention. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Moreover, various embodiments or examples and features of various embodiments or examples described in this specification can be combined and combined by one skilled in the art without being mutually inconsistent.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

The above embodiments are only specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily think of changes or substitutions within the technical scope of the present invention, and all should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. A roller conveyor, characterized by comprising a bearing housing assembly (1) and a sliver assembly (2);

the bearing seat assembly (1) comprises two parallel bearing seats which are arranged at intervals, and the thin roller assembly (2) is arranged between the two bearing seats to form a conveying area with a set length;

the fine roller assembly (2) comprises a plurality of fine rollers (204), two ends of each fine roller (204) are respectively and rotatably connected with two bearing seats, and the axial direction of each fine roller (204) is perpendicular to the length direction of each bearing seat;

the conveying area comprises a dense area and a sparse area, and the interval between the adjacent thin rollers (204) in the dense area is smaller than the interval between the adjacent thin rollers (204) in the sparse area.

2. A roller conveying device according to claim 1, wherein the roller conveying device is used for conveying ultra-thin glass cover plates during the detection of the ultra-thin glass cover plates;

the conveying area comprises two sparse areas and one dense area;

the dense region is located between two of the sparse regions.

3. A roller conveyor according to claim 1 or 2, characterized in that the thin roller assembly (2) further comprises a bearing (203), a driven wheel (201) and a limit nut (205), one end of the thin roller (204) is connected with the driven wheel (201), the other end is connected with the limit nut (205), and the bearings (203) are respectively arranged at the connection positions of the thin roller (204) and the two bearing seats;

a bearing mounting hole is formed in the bearing seat, the bearing (203) is arranged in the bearing mounting hole, the driven wheel (201) and the limiting nut (205) are respectively positioned on one side, far away from the conveying area, of the bearing seat on the same side, and the driven wheel (201) is connected with a power shaft assembly (5);

preferably, the fine roller (204) comprises a shaft core, and the surface of the shaft core is wrapped with a high molecular compound shaft sleeve;

the high molecular compound shaft sleeve is one or more of a polyether-ether-ketone shaft sleeve, an ultrahigh molecular polyethylene shaft sleeve or a polyformaldehyde resin shaft sleeve.

4. A roller conveying device according to claim 3, wherein the end of two thin rollers (204) positioned at the same side in two adjacent thin rollers (204) is provided with the driven wheel (201), and the end of the other thin roller (204) is provided with the limit nut (205);

and the power shaft assemblies (5) are respectively arranged on one sides of the two bearing seats far away from the conveying area.

5. A roller conveyor device according to claim 4, characterized in that the powered axle assembly (5) comprises a mounting plate (502), a pedestal bearing (503), a rotating axle and a drive wheel (504);

the bearing with a seat (503) is fixedly connected with the mounting plate (502), the rotating shaft penetrates through the bearing with a seat (503) and is fixedly connected with the bearing with a seat (503), and the driving wheel (504) is fixedly connected with the rotating shaft and synchronously rotates with the rotating shaft;

the driving wheel (504) is connected with the driven wheel (201), and the rotating shaft is connected with a motor assembly (6);

preferably, the driving wheel (504) and the driven wheel (201) are magnetic wheels.

6. A roller conveyor device according to claim 5, characterized in that the bearing housing assembly (1) further comprises a base plate (101), two of said bearing housings and said mounting plate (502) being provided on said base plate (101);

the bearing seat comprises a plurality of sub-shaft seats, a plurality of positioning grooves are formed in the mounting surface of the base plate (101), and clamping protrusions used for being clamped with the positioning grooves are arranged at the bottom of the bearing seat.

7. A roller conveyor device according to claim 5, characterized in that the motor assembly (6) comprises a motor (601), a driving pulley (603), a driven pulley (605) and a first timing belt (604);

the driving belt wheel (603) is connected with an output shaft of the motor (601), the driven belt wheel (605) is connected with the rotating shaft, and the driving belt wheel (603) is connected with the driven belt wheel (605) through the first synchronous belt (604).

8. A roller conveyor assembly as claimed in claim 5 or 7 wherein the shaft of one of said powered axle assemblies (5) is connected to said motor assembly (6) of both said powered axle assemblies (5);

belt wheels are respectively arranged at the same ends of the rotating shafts of the two power shaft assemblies (5), and the two belt wheels are connected through a second synchronous belt (4);

and at least one synchronous belt tensioning assembly (3) is arranged on the second synchronous belt (4).

9. A roller conveyor apparatus as claimed in claim 1 or 2 further comprising an encoder assembly (7), said encoder assembly (7) comprising an encoder (701), an encoder mounting bracket (702) and an encoder coupling (703);

the shell of the encoder (701) is connected with the encoder mounting bracket (702), the shaft of the encoder (701) is connected with the encoding coupling (703), the encoder mounting bracket (702) is connected with the bearing seat, and the encoding coupling (703) is connected with the thin roller (204).

10. A testing apparatus comprising a roller conveyor device according to any one of claims 1 to 9.