CN218560019U - Plate conveying equipment and plate detection equipment - Google Patents

Abstract

The application discloses plate body conveying equipment and plate body conveying equipment. The plate conveying equipment is used for conveying a plate to be detected along a conveying direction and comprises a rack, a plurality of groups of conveying roller sets and a jacking structure, wherein the rack comprises two fixing pieces which are arranged at intervals in the direction perpendicular to the conveying direction; each group of transmission roller sets comprises a driving wheel and a transmission roller connected with the driving wheel, the transmission roller is bridged between the two fixing pieces, the driving wheel is positioned on one side of the fixing piece, which is far away from the transmission roller, the driving wheels of the groups of transmission roller sets are positioned on the same side of the fixing piece and are arranged at intervals in the conveying direction, and the driving wheels on the same side are in transmission connection through the transmission belts; the pushing structure is positioned on the same side of the fixing part with the driving wheel and is used for pushing against the transmission belt so as to increase the contact area between the transmission belt and the driving wheel. Therefore, the transmission belt is abutted by the abutting structure, so that the contact area of the transmission belt and the transmission wheel is increased, and the stability of conveying equipment in conveying the plate body to be detected is enhanced.

Description

Plate conveying equipment and plate detection equipment

Technical Field

The application relates to the field of detection equipment, in particular to plate conveying equipment and plate detection equipment.

Background

With the rise of the electronic industry, the PCB has a very important role as a component in the electronic industry, and the quality of the PCB directly affects the quality of electronic products. Traditional PCB board leans on artifical the detection, wastes time and energy, and the effect that detects simultaneously is also not good, often can appear lou examining and the condition of false retrieval. With the advent of optical inspection equipment with advances in technology, optical knowledge can be relied upon to inspect the quality of PCB boards.

The basic working principle of the automatic optical detection device is mainly to obtain the graphic image information of the detected object through an image sensor and then to compare, analyze and judge through processing and calculation of computer embedded software. Therefore, the automatic optical detection not only reduces the error rate of manual visual inspection, but also greatly saves time and labor cost, and in addition, the automatic optical detection equipment also has the advantages of higher stability, operation flexibility and the like.

The automatic optical detection equipment generally transports the plate body by using transport equipment to realize the automation of plate body detection, the transport equipment generally transports the plate body by using a belt and a driving motor, and when the belt acts on a plurality of components simultaneously, the contact part of each component and the belt is less, so that the transmission effect is poor.

SUMMERY OF THE UTILITY MODEL

The main objective of this application is to provide a plate body conveying equipment and plate body check out test set, aim at solving the above-mentioned technical problem that exists among the prior art.

For solving above-mentioned problem, this application provides a plate body conveying equipment, plate body conveying equipment is used for carrying the plate body that awaits measuring along direction of delivery, and plate body conveying equipment includes: the conveying device comprises a rack, a plurality of groups of conveying roller sets and a jacking structure, wherein the rack comprises two fixing pieces which are arranged at intervals in a direction vertical to the conveying direction; each group of transmission roller group comprises a transmission wheel and a transmission roller connected with the transmission wheel, the transmission roller is bridged between the two fixing pieces, the transmission wheels are positioned on one side, away from the transmission roller, of the fixing pieces, the transmission wheels of the groups of transmission roller groups are positioned on the same side of the fixing pieces and are arranged at intervals in the conveying direction, and the transmission wheels on the same side are in transmission connection through the transmission belts; the tight structure in top is located the same one side that the mounting has the drive wheel, the tight structure in top is used for holding the transmission band to increase the area of contact of transmission band with the drive wheel.

In an embodiment, the tightening structure is located between two driving wheels, and a first fulcrum of the tightening structure abutting against the transmission belt is located between a connecting line of the two driving wheels and two second fulcrums of the transmission belt and a connecting line between two central points of the two driving wheels.

In an embodiment, the board conveying equipment further includes a driving member, the driving member is connected to any one of the driving wheels, and the driving member is configured to drive the driving wheel connected to the driving member to rotate, so as to drive the other driving wheels to rotate through the conveyor belt.

In one embodiment, the tightening structure can rotate under the action of friction force applied to the tightening structure by the conveyor belt during transmission of the conveyor belt.

In an embodiment, the tightening structure includes a rotating shaft and a pressing wheel sleeved outside the rotating shaft, the rotating shaft is connected to the fixing member, and the pressing wheel can rotate relative to the rotating shaft.

In an embodiment, the pivot includes interconnect's first shaft segment and second shaft segment, the radial dimension of first shaft segment is greater than the radial dimension of second shaft segment, first shaft segment is connected the mounting, the pinch roller cover is located the outside of second shaft segment and butt are in first shaft segment with the junction of second shaft segment, the tight structure in top still includes the spacing ring, the spacing ring cover is located the outside of second shaft segment, and the butt is in the pinch roller deviates from one side of first shaft segment, in order to pass through the spacing ring is right the pinch roller carries out axial spacing.

In an embodiment, the tightening structure further includes a connecting member, and the rotating shaft is connected to the fixing member through the connecting member.

In an embodiment, the number of the tightening structures is multiple, the tightening structures are arranged at intervals in the conveying direction, and at least one tightening structure is arranged between two driving wheels with a distance larger than a preset threshold value in the conveying direction.

In an embodiment, the board conveying apparatus further includes a tensioning wheel, the tensioning wheel is located on the same side of the fixing member with the driving wheel, and the tensioning wheel is disposed in an area surrounded by the transmission belt and used for adjusting the degree of tightness of the transmission belt.

In an embodiment, the two fixing members are respectively provided with a plurality of avoiding holes arranged at intervals in the conveying direction, the avoiding holes on the two fixing members are arranged in a one-to-one correspondence manner in the axial direction of the conveying roller, and two ends of each group of conveying roller are respectively arranged in the two corresponding avoiding holes in a penetrating manner, so that the conveying roller is bridged on the two fixing members.

For solving the above-mentioned problem, this application provides a plate body conveying equipment, plate body check out test set includes image acquisition equipment and foretell plate body conveying equipment, plate body conveying equipment is used for carrying the plate body that awaits measuring to detecting the position, so that image acquisition equipment is right the plate body that awaits measuring carries out image acquisition.

Compared with the prior art, the plate body conveying equipment is used for conveying a plate body to be detected along the conveying direction and comprises a rack, a plurality of groups of conveying roller sets and a jacking structure, wherein the rack comprises two fixing pieces which are arranged at intervals in the direction perpendicular to the conveying direction; each group of transmission roller sets comprises a driving wheel and a transmission roller connected with the driving wheel, the transmission roller is bridged between the two fixing pieces, the driving wheel is positioned on one side of the fixing piece, which is far away from the transmission roller, the driving wheels of the groups of transmission roller sets are positioned on the same side of the fixing piece and are arranged at intervals in the conveying direction, and the driving wheels on the same side are in transmission connection through the transmission belts; the pushing structure is positioned on the same side of the fixing part with the driving wheel and is used for pushing against the transmission belt so as to increase the contact area between the transmission belt and the driving wheel. Through above-mentioned embodiment, utilize the tight structure in top to support and hold the transmission band to increase the area of contact of transmission band and drive wheel, thereby stability when can reinforcing conveying equipment carries the plate body that awaits measuring.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required in the embodiments will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a schematic structural diagram of an embodiment of a board conveying apparatus provided in the present application;

fig. 2 is a front view of the structure of an embodiment of the plate conveying apparatus provided in the present application;

FIG. 3 is an enlarged schematic view of one embodiment of the dashed area A of FIG. 2;

fig. 4 is an exploded view of an embodiment of a tightening structure provided in the present application.

Reference numerals: a board conveying apparatus 10; a fixing member 100; a transport roller group 200; a driving wheel 210; a transfer roller 220; a tightening structure 300; a pressing wheel 310; a rotating shaft 320; a first shaft section 321; a second shaft section 322; a stop collar 330; a connecting member 340; a transfer belt 400; a first fulcrum 510; a second fulcrum 520; a tensioner 600; the transport direction x.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. It is to be understood that the specific embodiments described herein are merely illustrative of the application and are not limiting of the application. It should be further noted that, for the convenience of description, only some of the structures related to the present application are shown in the drawings, not all of the structures. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

The terms "first", "second" and "third" in this application are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any indication of the number of technical features indicated. Thus, a feature defined as "first," "second," or "third" may explicitly or implicitly include at least one of the feature. In the description of the present application, "plurality" means at least two, e.g., two, three, etc., unless explicitly specified otherwise. In the embodiment of the present application, all the directional indicators (such as upper, lower, left, right, front, and rear … …) are used only to explain the relative positional relationship between the components, the movement, and the like in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly. Furthermore, the terms "include" and "have," as well as any variations thereof, are intended to cover non-exclusive inclusions. For example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not limited to only those steps or elements listed, but may alternatively include other steps or elements not listed, or inherent to such process, method, article, or apparatus.

Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the application. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is explicitly and implicitly understood by one skilled in the art that the embodiments described herein can be combined with other embodiments.

The application provides a plate body check out test set, plate body check out test set include image acquisition equipment and plate body conveying equipment, and plate body conveying equipment is used for carrying the plate body that awaits measuring to detecting the position to image acquisition is carried out to the plate body that awaits measuring to image acquisition equipment.

The Board to be tested may include a Printed Circuit Board (PCB), a Flexible Printed Circuit (FPC), and other Board-like devices that require optical detection using Board detection equipment. The detection position can be an area range on the conveying mechanism, and the image acquisition equipment can acquire images of the plate to be detected in the area range. Specifically, image acquisition equipment is located the plate body that awaits measuring and deviates from the upside of plate body conveying equipment, and image acquisition equipment and the plate body interval setting that awaits measuring, and image acquisition equipment is used for gathering the image information of the plate body that awaits measuring, calculates in order to compare, analysis and judgement through the processing of computer embedded software after that, finally obtains the testing result of the plate body that awaits measuring.

Referring to fig. 1 and 2, fig. 1 is a schematic structural view of an embodiment of the plate conveying apparatus provided in the present application, and fig. 2 is a front view of the structure of the embodiment of the plate conveying apparatus provided in the present application.

The panel conveying apparatus 10 includes a frame, a plurality of sets of conveyor rollers 200, and a puller structure 300.

The frame comprises two fixing elements 100 arranged at a distance from each other perpendicular to the transport direction x. Two fixing members 100 may extend in the conveying direction x at the same time, two fixing members 100 may be plate-shaped, and two fixing members 100 may be connected to a rack of the board detecting apparatus at the same time.

Each set of transmission roller set 200 comprises a transmission wheel 210 and a transmission roller 220 connected with the transmission wheel 210, the transmission roller 220 is bridged between the two fixing pieces 100, the transmission wheel 210 is positioned on one side of the fixing piece 100 departing from the transmission roller 220, the transmission wheels 210 of the sets of transmission roller sets 200 are positioned on the same side of the fixing piece 100 and are arranged at intervals in the conveying direction x, and the transmission wheels 210 on the same side are in transmission connection through the transmission belt 400. The plurality of transmission rollers 220 are arranged at intervals along the conveying direction x to utilize the plurality of transmission rollers 220 to jointly form a conveying plane, a plate body to be detected can be located on the conveying plane, and each transmission roller 220 can rotate around the axis of the transmission roller 220 to convey the plate body to be detected located on the conveying plane. Each driving wheel 210 can rotate around the axis of the driving wheel 210 connected with the driving wheel, the driving wheels 210 of the multiple groups of transmission roller sets 200 are located on the same side of the fixing piece 100, and can be simultaneously in transmission connection with the driving wheels 210 through one transmission belt 400, so that the driving wheels 210 synchronously rotate under the action of the transmission belt 400, and further each transmission roller 220 synchronously rotates, and a plate body to be detected is conveniently transmitted along the conveying direction x. Wherein, the driving wheel 210 can be a gear, the transmission belt 400 can be a belt, and the transmission belt 400 is engaged with the driving wheel 210 to realize transmission connection.

The board conveying apparatus 10 further includes a driving member (not shown) connected to any one of the driving wheels 210, and the driving member is configured to drive the driving wheel 210 connected thereto to rotate, so as to drive the other driving wheels 210 to rotate through the conveying belt 400. The driving parts can comprise a driving motor and two driving wheels, one driving wheel is connected with the output end of the driving motor, the other driving wheel is connected with any one of the driving wheels 210, the two driving parts can be connected through a belt, the driving motor drives the driving wheel connected with the driving motor to rotate, the belt is utilized to enable the other driving wheel to rotate, and then the driving wheel 210 connected with the driving wheel is driven to rotate. In this embodiment, the synchronous rotation of the driving wheels 210 can be realized by one driving motor, so that the consumption of the board to be tested in the transmission process can be reduced, and the transmission rollers 220 can be synchronously rotated.

A plurality of avoiding holes (not shown) are respectively formed in the two fixing members 100 and are arranged at intervals in the conveying direction x, the avoiding holes in the two fixing members 100 are arranged in a one-to-one correspondence manner in the axial direction of the transmission rollers 220, and two ends of each group of transmission rollers 220 are respectively arranged in the two corresponding avoiding holes in a penetrating manner, so that the transmission rollers 220 are bridged on the two fixing members 100. Dodge the hole and be the through-hole, transmission roller 220 can include main roller portion and overlap joint portion, and main roller portion is used for constituting conveying plane, and the overlap joint portion is located the both sides of main roller portion, and the overlap joint portion can wear to locate two that two mountings 100 correspond respectively dodge downtheholely, and the overlap joint portion fixed connection of drive wheel 210 and one side to make the drive wheel 210 of multiunit transmission roller set 200 be located the same one side of mountings 100.

The tightening structure 300 is located on the same side of the fixing member 100 having the driving wheel 210, and the tightening structure 300 is used for abutting against the transmission belt 400 to increase the contact area between the transmission belt 400 and the driving wheel 210. The transmission band 400 can enclose into the annular region, the drive wheel 210 can be located the annular region that transmission band 400 encloses, the tight structure 300 in top can be located the annular region that transmission band 400 encloses and is outside, the tight structure 300 in top butt transmission band 400 to the annular region that makes transmission band 400 enclose is inside sunken, and then increases the area of contact of transmission band 400 and drive wheel 210, thereby can strengthen the stability when conveying equipment carries the plate body that awaits measuring.

Specifically, referring to fig. 1-3, fig. 3 is an enlarged schematic view of an embodiment of the dashed area a of fig. 2.

The tightening structure 300 is located between the two driving wheels 210, and a first fulcrum 510 of the tightening structure 300 abutting against the conveying belt 400 is located between a connecting line O1 between the two driving wheels 210 and two second fulcrums 520 of the conveying belt 400 and a connecting line O2 between two central points of the two driving wheels 210. The tightening structure 300 is abutted with the transmission belt 400, so as to define a first fulcrum 510 at the portion abutted with the transmission belt 400, and meanwhile, when the transmission belt 400 is in transmission connection with the transmission wheels 210, the transmission belt 400 is in contact with the transmission wheels 210, the point of contact with each transmission wheel 210 is defined as a second fulcrum 520, and when the two transmission wheels 210 are the same in size, a connecting line O1 between two second fulcrums 520 and a connecting line O2 between the central points of the two transmission wheels 210 should be in a parallel state, and at this time, in order to enhance the stability of the conveying equipment when conveying the board to be detected, it is only required that the first fulcrum 510 of the transmission wheel 210 is located between the connecting line O1 between the two second fulcrums 520 and the connecting line O2 between the central points of the two transmission wheels 210. Of course, in other embodiments, the second pivot 520 may also be located at a side of a connecting line O2 between the center points of the two driving wheels 210 away from a connecting line O1 between the two second pivot 520, so as to further increase the contact area between the transmission belt 400 and the driving wheels 210.

The tightening structure 300 can rotate by the friction force applied to the tightening structure 300 by the conveyor belt 400 during the transmission of the conveyor belt 400. That is, by rotating the driving wheel 210, the abrasion of the tightening structure 300 to the transmission belt 400 can be further reduced while abutting against the transmission belt 400.

Referring to fig. 1-4, fig. 4 is an exploded view of an embodiment of a tightening structure 300 provided herein. The tightening structure 300 includes a rotating shaft 320 and a pressing wheel 310 sleeved outside the rotating shaft 320, the rotating shaft 320 is connected to the fixing member 100, and the pressing wheel 310 can rotate relative to the rotating shaft 320. The part of the tightening structure 300 contacting the belt is the pressing wheel 310, and the line-surface contact between the transmission belt 400 and the tightening structure 300 is realized through the pressing wheel 310, so that the abrasion of the tightening structure 300 to the transmission belt 400 can be further reduced in the transmission process of the transmission belt 400.

The rotating shaft 320 includes a first shaft section 321 and a second shaft section 322 that are connected to each other, a radial dimension of the first shaft section 321 is greater than a radial dimension of the second shaft section 322, the first shaft section 321 is connected to the fixing member 100, the pressing wheel 310 is sleeved on an outer side of the second shaft section 322 and abuts against a joint of the first shaft section 321 and the second shaft section 322, the tightening structure 300 further includes a limiting ring 330, the limiting ring 330 is sleeved on an outer side of the second shaft section 322, and the abutting joint is on a side of the pressing wheel 310 departing from the first shaft section 321, so that the pressing wheel 310 is axially limited by the limiting ring 330. Because the radial dimension of the first shaft section 321 is greater than the radial dimension of the second shaft section 322, a boss is formed between the first shaft section 321 and the second shaft section 322, when the pressing wheel 310 is sleeved outside the second shaft section 322, the pressing wheel 310 can be abutted against the boss of the first shaft section 321 and the boss of the second shaft section 322, so that the pressing wheel 310 is axially limited from one side surface through the boss. The limiting ring 330 is sleeved outside the second shaft section 322, and the radial dimension of the limiting ring 330 can be greater than that of the second shaft section 322, so that when the limiting ring 330 abuts against one side of the pressing wheel 310 away from the first shaft section 321, the limiting ring 330 can be used to axially limit the pressing wheel 310 from the surface of the other side, thereby fixing the pressing wheel 310 on the rotating shaft 320.

The tightening structure 300 further includes a connecting member 340, and the shaft 320 is connected to the fixing member 100 through the connecting member 340. The connecting member 340 is connected to the first shaft section 321, and a surface area of the connecting member 340 may be larger than a surface area of the first shaft section 321, so that when the tightening structure 300 is connected to the fixing element 100 by using the connecting member 340, stability of connection between the tightening structure 300 and the fixing element 100 can be increased.

Referring to fig. 1 and 2, the number of the tightening structures 300 is multiple, the tightening structures 300 are arranged at intervals in the conveying direction x, and at least one tightening structure 300 is arranged between two driving wheels 210 with a distance greater than a preset threshold value in the conveying direction x. When the distance between the two driving wheels 210 in the conveying direction x is greater than the preset threshold, the conveying transmission between the belt and the driving wheels 210 may be unstable due to the larger distance between the two driving wheels 210 and the condition that the contact area between the driving wheels 210 and the belt is small, and when the distance between the two driving wheels 210 in the conveying direction x is greater than the preset threshold, the tightening structure 300 is installed with enough clearance between the two driving wheels, so that the contact area between the conveying belt 400 and the driving wheels 210 is increased by using the tightening structure 300, and the stability of the conveying equipment in conveying the board to be measured is enhanced.

The board conveying apparatus 10 further comprises a tension wheel 600, the tension wheel 600 is located on the same side of the fixing member 100 with the driving wheel 210, and the tension wheel 600 is disposed in the area surrounded by the transmission belt 400 and is used for adjusting the tightness degree of the transmission belt 400. The tensioning wheel 600 may be a gear, the tensioning wheel 600 is located in an area surrounded by the transmission belt 400, as shown in fig. 1 and fig. 2, the plurality of transmission wheels 210 have the same size, the centers of the plurality of transmission wheels 210 are located on the same straight line, the transmission belt 400 is simultaneously connected with the plurality of transmission wheels 210, the center of the tensioning wheel 600 is located below the centers of the plurality of transmission wheels 210, the tensioning wheel 600 abuts against the other side of the transmission belt 400, so that the one side of the transmission belt 400 far away from the transmission wheels 210 is prevented from contacting the transmission wheels 210, and meanwhile, the transmission belt 400 can be straightened by the tensioning wheel 600, so as to improve the efficiency of the transmission belt 400 driving the transmission wheels 210 to rotate. Through the above embodiment, the tight structure 300 in usable top supports and holds transmission band 400 in this application to increase the area of contact of transmission band 400 and drive wheel 210, thereby can strengthen the stability when conveying equipment carries the plate body that awaits measuring.

The principle and the implementation of the present application are explained herein by applying specific examples, and the above description of the embodiments is only used to help understand the method and the core idea of the present application; meanwhile, for a person skilled in the art, according to the idea of the present application, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present application.

Claims (11)

1. The utility model provides a plate body conveying equipment which characterized in that for carry the plate body that awaits measuring along direction of delivery, plate body conveying equipment includes:

the frame comprises two fixing pieces which are arranged at intervals in a direction vertical to the conveying direction;

each group of transmission roller set comprises a transmission wheel and a transmission roller connected with the transmission wheel, the transmission roller is bridged between the two fixing pieces, the transmission wheel is positioned on one side of the fixing piece, which is far away from the transmission roller, the transmission wheels of the groups of transmission roller sets are positioned on the same side of the fixing piece and are arranged at intervals in the conveying direction, and the transmission wheels on the same side are in transmission connection through a transmission belt;

the tight structure in top is located the same one side that the mounting has the drive wheel, the tight structure in top is used for holding the transmission band, in order to increase the area of contact of transmission band with the drive wheel.

2. The board conveying apparatus according to claim 1, wherein the tightening structure is located between two driving wheels, and a first fulcrum of the tightening structure abutting against the conveyor belt is located between a line connecting the two driving wheels with two second fulcrums of the conveyor belt and a line connecting two center points of the two driving wheels.

3. The board conveying apparatus according to claim 2, further comprising a driving member, wherein the driving member is connected to any one of the driving wheels, and the driving member is configured to drive the driving wheel connected thereto to rotate, so as to drive the other driving wheels to rotate through the conveying belt.

4. The board conveying apparatus according to claim 3, wherein the tightening structure is rotatable by a frictional force applied to the tightening structure by the conveyor belt during the transmission of the conveyor belt.

5. The board conveying apparatus according to claim 4, wherein the tightening structure includes a rotating shaft and a pressing wheel sleeved outside the rotating shaft, the rotating shaft is connected to the fixing member, and the pressing wheel can rotate relative to the rotating shaft.

6. The board conveying equipment according to claim 5, wherein the rotating shaft comprises a first shaft section and a second shaft section which are connected with each other, the radial dimension of the first shaft section is larger than that of the second shaft section, the first shaft section is connected with the fixing piece, the pressing wheel is sleeved on the outer side of the second shaft section and abuts against the joint of the first shaft section and the second shaft section, the jacking structure further comprises a limiting ring, the limiting ring is sleeved on the outer side of the second shaft section and abuts against one side of the pressing wheel, which is far away from the first shaft section, so that the pressing wheel is axially limited through the limiting ring.

7. The plate body conveying apparatus according to claim 5, wherein the tightening structure further includes a connecting member, and the rotating shaft is connected to the fixing member through the connecting member.

8. The board conveying apparatus according to claim 2, wherein the number of the tightening structures is plural, the plural tightening structures are arranged at intervals in the conveying direction, and at least one tightening structure is arranged between two of the driving wheels having a distance larger than a preset threshold value in the conveying direction.

9. The board conveying apparatus according to claim 2, further comprising a tensioning wheel, wherein the tensioning wheel is located on the same side of the fixing member as the driving wheel, and the tensioning wheel is disposed in an area surrounded by the transmission belt and is used for adjusting the degree of tightness of the transmission belt.

10. The board conveying apparatus according to claim 1, wherein the two fixing members are respectively provided with a plurality of avoiding holes arranged at intervals in the conveying direction, the avoiding holes in the two fixing members are arranged in one-to-one correspondence in the axial direction of the conveying rollers, and both ends of each group of the conveying rollers are respectively penetrated into the two corresponding avoiding holes, so that the conveying rollers are bridged on the two fixing members.

11. A board detection device, characterized in that the board detection device comprises an image acquisition device and a board conveying device according to any one of claims 1 to 10, wherein the board conveying device is used for conveying a board to be detected to a detection position, so that the image acquisition device can acquire an image of the board to be detected.

Images