Conveying line foreign matter removing device and conveying line

Abstract

The utility model discloses a conveyor line foreign matter removing device and a conveyor line. The conveying line foreign matter removing device comprises a plurality of foreign matter adsorption mechanisms and a foreign matter removing mechanism, the foreign matter adsorption mechanisms are installed on an installation frame of a roller conveying line at intervals, each foreign matter adsorption mechanism comprises a first magnetic part, and the first magnetic parts are used for adsorbing magnetic foreign matter generated by roller abrasion of the roller conveying line; the foreign matter removing mechanism is arranged below the roller conveying line and comprises a walking module and a foreign matter removing module arranged on the walking module, the walking module is used for conveying the foreign matter removing module to the position below the foreign matter adsorption mechanisms, and the foreign matter removing module is used for removing the magnetic foreign matter adsorbed to the first magnetic part. The foreign matter removing device for the conveying line can remove magnetic foreign matters generated by abrasion of the roller while conveying the carried objects, and the risk that the carried objects are bad due to attachment of the magnetic foreign matters is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of display panel production, in particular to a foreign object removing device for a conveying line and a conveying line. Background Art

[0002] In the production process of a display panel, the display panel is generally conveyed by a roller line. Specifically, as Figure 1 shown, the display panel 10' is fixed on the carrier 20', and then the carrier 20' carrying the display panel 10' is placed on the roller line. The carrier 20' is conveyed forward by the rotation of the rollers 30' on the roller line. The prior art has the following defects: during the process of the roller line conveying the display panel 10', friction will occur between the rollers 30' and the carrier 20'. Metal debris will be generated due to the long-term wear of the rollers 30'. These metal debris are easily blown by the wind and float onto the display panel 10', resulting in defects of the display panel 10'. Summary of the Utility Model

[0003] An object of the utility model is to provide a foreign object removing device for a conveying line, which can remove magnetic foreign objects generated by roller wear while conveying and handling objects, and reduces the risk of defects of the handled objects due to the attachment of magnetic foreign objects.

[0004] To achieve this purpose, the utility model adopts the following technical solutions:

[0005] A foreign object removing device for a conveying line is used for a roller conveying line. The roller conveying line includes a mounting frame and a plurality of rollers rotatably mounted on the mounting frame. The foreign object removing device for the conveying line includes: a foreign object adsorption mechanism, provided with a plurality of them, and the plurality of foreign object adsorption mechanisms are spaced and mounted on the mounting frame. The foreign object adsorption mechanism includes a first magnetic member, and the first magnetic member is used for adsorbing magnetic foreign objects generated by the wear of the rollers; a foreign object removal mechanism is arranged below the roller conveying line and includes a traveling module and a foreign object removal module arranged on the traveling module. The traveling module is used for conveying the foreign object removal module below each foreign object adsorption mechanism, and the foreign object removal module is used for removing the magnetic foreign objects adsorbed on the first magnetic member.

[0006] As a preferred solution of the foreign object removal device for the conveyor line, both ends of the first magnetic member are provided with rotating shafts, and the two rotating shafts are rotatably connected to opposite sides of the mounting frame. A first gear is provided on one of the rotating shafts; the foreign object removal module includes: a lifting unit disposed on the traveling module; a working platform disposed on the lifting unit, and the lifting unit is configured to drive the working platform to lift and lower; a foreign object storage box disposed on the working platform, and an opening is provided above the foreign object storage box, and the projection of the first magnetic member in the vertical direction enters the opening; a first rotation driving member disposed on the working platform, and a second gear is provided at the output end of the first rotation driving member, and the first rotation driving member is configured to drive the second gear to rotate. The lifting unit can drive the working platform to lift and lower so that the second gear meshes with or disengages from the first gear; a reciprocating motion unit is disposed on the working platform; a transmission arm, one end of which is connected to the reciprocating motion unit, and the reciprocating motion unit is configured to drive the transmission arm to reciprocate along the extension direction of the first magnetic member; a scraping head is disposed at the other end of the transmission arm and is located above the opening of the foreign object storage box, and the scraping head can slide and adhere to the first magnetic member to scrape the magnetic foreign objects adsorbed on the first magnetic member.

[0007] As a preferred solution of the foreign object removal device for the conveyor line, the first magnetic member is cylindrical, the scraping head is arc-shaped, and the arc surface of the scraping head can slide and fit on the circumferential surface of the first magnetic member.

[0008] As a preferred solution of the foreign object removal device for the conveyor line, a cleaning brush is provided on the surface of the scraping head facing the first magnetic member, and the cleaning brush is used to clean the magnetic foreign objects.

[0009] As a preferred solution of the foreign object removal device for the conveyor line, the traveling module includes: a traveling seat, on which a traveling track is provided; a lead screw installed in the traveling track; a nut connected to the lead screw, and an installation platform is provided at the top of the nut, and the installation platform is used to install the foreign object removal module; a second rotation driving member is disposed on the traveling seat, and the output end of the second rotation driving member is connected to the lead screw for driving the lead screw to rotate.

[0010] As a preferred solution of the foreign object removal device for the conveyor line, the first magnetic member includes a housing and a magnet detachably installed in the housing, and the magnet can adsorb the magnetic foreign objects on the outer wall of the housing.

[0011] As a preferred solution of the foreign object removal device for the conveyor line, the first magnetic member is an electromagnet.

[0012] As a preferred solution of the foreign object removal device for the conveyor line, a foreign object adsorption mechanism is provided between every two adjacent rollers.

[0013] As a preferred solution of the foreign object removal device for the conveyor line, the foreign object removal device for the conveyor line further includes a handling carrier, the handling carrier is arranged on the roller conveyor line, the handling carrier is used for carrying the object to be handled, and a second magnetic member is arranged on the outer peripheral wall of the handling carrier.

[0014] Another object of the present utility model is to provide a conveyor line, which can remove magnetic foreign objects while conveying the object to be handled, and improve the product yield of the object to be handled.

[0015] To achieve this object, the present utility model adopts the following technical solutions:

[0016] The conveyor line includes a roller conveyor line and the foreign object removal device for the conveyor line described in any of the above technical solutions, and the foreign object removal device for the conveyor line is applied to the roller conveyor line.

[0017] The beneficial effects of the present utility model:

[0018] The present utility model provides a foreign object removal device for a conveyor line, which includes a foreign object adsorption mechanism and a foreign object removal mechanism. By installing a plurality of foreign object adsorption mechanisms at intervals on the mounting frame of the roller conveyor line, the magnetic foreign objects generated by the friction between the rollers and the object to be handled on the roller conveyor line can be adsorbed, reducing the risk that the magnetic foreign objects float with the wind onto the object to be handled and cause defects in the object to be handled. The foreign object removal mechanism can automatically remove the magnetic foreign objects on the first magnetic member of the foreign object adsorption mechanism, so that the foreign object adsorption mechanism can be reused, ensuring the reliability of the work of the foreign object adsorption mechanism for adsorbing magnetic foreign objects, and moreover, manual cleaning is not required, reducing the labor intensity of the staff.

[0019] The present utility model also provides a conveyor line, which includes a roller conveyor line and the above-mentioned foreign object removal device for the conveyor line. Since the above-mentioned foreign object removal device for the conveyor line is adopted, the product yield of the object to be handled is improved. Description of the Drawings

[0020] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model, the following will briefly introduce the drawings required to be used in the description of the embodiments of the present utility model. Obviously, the following drawings are only some embodiments of the present utility model. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained according to the content of the embodiments of the present utility model and these drawings.

[0021] Figure 1 It is a schematic diagram of a roller line for conveying a carrier carrying a display panel in the prior art;

[0022] Figure 2 It is an assembly drawing of a roller conveyor line and a foreign object adsorption mechanism provided by an embodiment of the present utility model;

[0023] Figure 3 It is a schematic diagram of a foreign object removal module provided by an embodiment of the present utility model;

[0024] Figure 4 It is a schematic diagram of a walking module provided by an embodiment of the present utility model;

[0025] Figure 5 It is an assembly drawing of a first rotation driving member and a second gear provided by an embodiment of the present utility model;

[0026] Figure 6 It is an assembly drawing of a reciprocating motion unit, a transmission arm and a scraping head provided by an embodiment of the present utility model;

[0027] Figure 7 It is a schematic diagram of a handling carrier provided by an embodiment of the present utility model.

[0028] Figure 1 Among them:

[0029] 10’, display panel; 20’, carrier; 30’, roller.

[0030] Figures 2 to 7 Among them:

[0031] 10, mounting bracket; 20, roller;

[0032] 100, foreign object adsorption mechanism; 110, first magnetic member; 120, rotating shaft; 130, first gear;

[0033] 210, walking module; 211, walking seat; 2111, walking track; 212, lead screw; 213, nut; 2131, mounting platform; 214, second rotation driving member; 220, foreign object removal module; 221, lifting unit; 222, working platform; 2221, support; 223, foreign object storage box; 224, first rotation driving member; 225, second gear; 226, reciprocating motion unit; 2261, slide plate; 22611, slideway; 2262, telescopic driving member; 2263, connecting plate; 22631, slider; 227, transmission arm; 228, scraping head;

[0034] 300, handling carrier; 310, second magnetic member. Detailed implementation manners

[0035] Advantages, features, and methods for realizing the same of the present utility model will become apparent with reference to the embodiments described in detail below in conjunction with the accompanying drawings. However, the present utility model is not limited to the embodiments disclosed below, but can be implemented in various different forms. The provision of these embodiments is merely to complete the disclosure of the present utility model and enable those skilled in the art to fully understand the scope of the present utility model, and the present utility model is only defined by the scope of the claims. The same reference numerals denote the same components throughout the specification.

[0036] Hereinafter, the present utility model will be described in detail with reference to the accompanying drawings.

[0037] As Figures 2 - 4 shown, this embodiment provides a foreign object removal device for a conveyor line, which is used for a roller conveyor line. The roller conveyor line includes a mounting frame 10 and a plurality of rollers 20 rotatably mounted on the mounting frame 10.

[0038] Specifically, the foreign object removal device for the conveyor line includes a foreign object adsorption mechanism 100 and a foreign object removal mechanism. Among them, a plurality of foreign object adsorption mechanisms 100 are provided, and the plurality of foreign object adsorption mechanisms 100 are spaced apart and mounted on the mounting frame 10. The foreign object adsorption mechanism 100 includes a first magnetic member 110, and the first magnetic member 110 is used to adsorb magnetic foreign objects generated by the wear of the roller 20. By providing that the foreign object adsorption mechanism 100 includes the first magnetic member 110, it is possible to adsorb magnetic foreign objects generated by the friction between the conveyed object and the roller 20 during the process of the roller 20 conveying the conveyed object, reducing the risk that the magnetic foreign objects float with the wind onto the conveyed object and causing defects in the conveyed object.

[0039] The foreign object removal mechanism is arranged below the roller conveyor line. The foreign object removal mechanism includes a traveling module 210 and a foreign object removal module 220 provided on the traveling module 210. The traveling module 210 is used to convey the foreign object removal module 220 below each foreign object adsorption mechanism 100, and the foreign object removal module 220 is used to remove the magnetic foreign objects adsorbed on the first magnetic member 110. Through the foreign object removal mechanism, the magnetic foreign objects on the first magnetic member 110 can be automatically removed, so that the foreign object adsorption mechanism 100 can be reused, ensuring the reliability of the work of the foreign object adsorption mechanism 100 in adsorbing magnetic foreign objects. Moreover, there is no need for manual cleaning, reducing the labor intensity of the staff.

[0040] Optionally, in a possible embodiment, the conveyed object is a display panel.

[0041] Optionally, in this embodiment, a foreign object adsorption mechanism 100 is provided between every two adjacent rollers 20. With this arrangement, the reliability of removing magnetic foreign objects is relatively high. Of course, in other embodiments, a foreign object adsorption mechanism 100 can also be provided with an interval of two rollers 20, three rollers 20, etc., which can be set according to actual needs, and the present application does not make specific limitations.

[0042] Further, as Figures 2 - 6 shown, both ends of the first magnetic member 110 are provided with rotating shafts 120, and the two rotating shafts 120 are rotatably connected to opposite sides of the mounting frame 10. A first gear 130 is provided on one of the rotating shafts 120.

[0043] The foreign object removal module 220 includes a lifting unit 221, a working platform 222, a foreign object storage box 223, a first rotation driving member 224, a reciprocating motion unit 226, a transmission arm 227, and a scraping head 228. Among them, the lifting unit 221 is arranged on the traveling module 210. The working platform 222 is arranged on the lifting unit 221, and the lifting unit 221 is used to drive the working platform 222 to lift. The foreign object storage box 223 is arranged on the working platform 222 and is used to store the magnetic foreign objects removed from the first magnetic member 110. There is an opening above the foreign object storage box 223, and the projection of the first magnetic member 110 in the vertical direction enters the opening, that is, the magnetic foreign objects on the first magnetic member 110 fall into the foreign object storage box 223 from the opening. The first rotation driving member 224 is arranged on the working platform 222, and a second gear 225 is provided at the output end of the first rotation driving member 224. The first rotation driving member 224 is used to drive the second gear 225 to rotate. The lifting unit 221 can make the second gear 225 engage with or disengage from the first gear 130 by driving the working platform 222 to lift. When the second gear 225 engages with the first gear 130, the first rotation driving member 224 can drive the first magnetic member 110 to rotate through the second gear 225 and the first gear 130, so as to comprehensively clean the magnetic foreign objects on the first magnetic member 110. The reciprocating motion unit 226 is arranged on the working platform 222. One end of the transmission arm 227 is connected to the reciprocating motion unit 226, and the other end is connected to the scraping head 228. The scraping head 228 is located above the opening of the foreign object storage box 223. The scraping head 228 can slide and adhere to the first magnetic member 110. The reciprocating motion unit 226 is used to drive the transmission arm 227 to reciprocate along the extending direction of the first magnetic member 110, so that the transmission arm 227 drives the scraping head 228 to reciprocate along the extending direction of the first magnetic member 110, and the scraping head 228 repeatedly scrapes the magnetic foreign objects on the first magnetic member 110.

[0044] The working process of the foreign object removal mechanism provided in this embodiment is as follows:

[0045] Step 1: The traveling module 210 transports the foreign object removal module 220 to the lower part of the first magnetic member 110 to be cleaned;

[0046] Step 2: Control the lifting unit 221 to lift the working platform 222, so that the second gear 225 on the first rotation driving member 224 meshes with the first gear 130, and the scraping head 228 is attached to the first magnetic member 110, and control the lifting unit 221 to keep the working platform 222 at this position;

[0047] Step 3: Control the reciprocating motion unit 226 to drive the scraping head 228 to move repeatedly on the surface of the first magnetic member 110 for a preset number of times through the transmission arm 227 and then stop, so as to scrape off the magnetic foreign matters on the surface of the first magnetic member 110;

[0048] Step 4: After the reciprocating motion unit 226 stops moving, control the first rotation driving member 224 to drive the second gear 225 to rotate, so that the second gear 225 drives the rotating shaft 120 to rotate through the first gear 130, and further the rotating shaft 120 drives the first magnetic member 110 to rotate by a preset angle;

[0049] Step 5: Repeat Step 3 and Step 4 until all the magnetic foreign matters on the outer surface of the first magnetic member 110 are scraped off by the scraping head 228.

[0050] Optionally, in a possible embodiment, the end of the rotating shaft 120 and the first magnetic member 110 can be connected by welding. In another possible embodiment, a threaded hole can also be provided at the end of the first magnetic member 110, and an external thread is provided at one end of the rotating shaft 120, so that the rotating shaft 120 is connected to the threaded hole through the external thread. In other embodiments, the connection manner between the rotating shaft 120 and the first magnetic member 110 can also be set to others, which can be set according to actual needs, and the present application does not make specific limitations.

[0051] Optionally, in a possible embodiment, a connection hole can be opened on the mounting frame 10, and the rotating shaft 120 is rotatably inserted into the connection hole to realize the rotational connection between the rotating shaft 120 and the mounting frame 10, with a simple structure and convenient installation.

[0052] Optionally, continue to refer to Figure 3 , in order to ensure that the height of the first rotation driving member 224 meets the requirements, a bracket 2221 can be provided on the working platform 222, and the first rotation driving member 224 is installed on the bracket 2221.

[0053] Optionally, in this embodiment, the first magnetic member 110 is cylindrical, the scraping head 228 is arc-shaped, and the arc surface of the scraping head 228 can slide and fit on the circumferential surface of the first magnetic member 110. In other embodiments, the shape of the first magnetic member 110 can also be set to others, such as a rectangular column, and correspondingly, the scraping head 228 can be a straight plate shape, which can be set according to actual needs, and the present application does not make specific limitations.

[0054] Optionally, a cleaning brush is provided on the surface of the scraping head 228 facing the first magnetic member 110, and the cleaning brush is used to clean magnetic foreign matters. By providing the cleaning brush, the removal effect of magnetic foreign matters can be improved.

[0055] Optionally, the cleaning brush can be a soft brush.

[0056] Optionally, the lifting unit 221 can be a cylinder, a hydraulic cylinder, etc., which can be set according to actual needs, and the present application does not make specific limitations.

[0057] It can be understood that the first rotation driving member 224 is optionally but not limited to a motor.

[0058] Further, continue to refer to Figure 6 , the reciprocating motion unit 226 includes a sliding plate 2261, a telescopic driving member 2262 and a connecting plate 2263. Among them, the sliding plate 2261 is fixed on the working platform 222, the telescopic driving member 2262 is fixed at one end of the sliding plate 2261, the telescopic end of the telescopic driving member 2262 is connected with the connecting plate 2263, the connecting plate 2263 is slidably connected with the sliding plate 2261, and one end of the transmission arm 227 is connected with the connecting plate 2263. The reciprocating motion unit 226 can realize the reciprocating motion of the scraping head 228 through the telescopic motion of the telescopic driving member 2262, with a simple structure and convenient control.

[0059] Optionally, continue to refer to Figure 6 , a slideway 22611 extending along the extension direction of the first magnetic member 110 is provided on the sliding plate 2261, and a slider 22631 is provided at the bottom of the connecting plate 2263, and the slider 22631 is slidably arranged in the slideway 22611. Through the cooperation of the slideway 22611 and the slider 22631, the movement of the connecting plate 2263 can be guided, and further the movement of the scraping head 228 can be guided, improving the smoothness and reliability of the reciprocating motion of the scraping head 228.

[0060] It can be understood that the telescopic driving member 2262 is optionally but not limited to a cylinder.

[0061] Further, continue to refer to Figure 4, the walking module 210 includes a walking base 211, a lead screw 212, a nut 213, and a second rotation driving member 214. Among them, a walking track 2111 is provided on the walking base 211. The lead screw 212 is installed in the walking track 2111. The nut 213 is connected to the lead screw 212, and an installation platform 2131 is provided at the top of the nut 213 for installing the foreign object removal module 220. The second rotation driving member 214 is disposed on the walking base 211, and the output end of the second rotation driving member 214 is connected to the lead screw 212 for driving the lead screw 212 to rotate. For this walking module 210, by driving the lead screw 212 to rotate through the second rotation driving member 214, the foreign object removal module 220 can be driven to move, with a simple structure and convenient control.

[0062] It can be understood that the second rotation driving member 214 is optional but not limited to a motor.

[0063] It is worth noting that in this embodiment, the lifting unit 221 is installed on the installation platform 2131.

[0064] Optionally, in a possible embodiment, the first magnetic member 110 includes a housing and a magnet detachably installed in the housing, and the magnet can adsorb magnetic foreign objects on the outer wall of the housing. When it is necessary to clean the magnetic foreign objects adsorbed outside the first magnetic member 110, the magnet can be manually taken out of the housing first. At this time, some of the magnetic foreign objects adsorbed on the housing will automatically fall due to the disappearance of the magnetic attraction force, and the remaining part can be removed by the conveying line foreign object removal device, reducing the difficulty of removing magnetic foreign objects. Moreover, the housing can also protect the magnet.

[0065] Optionally, in another possible embodiment, the first magnetic member 110 can also be an electromagnet. When it is necessary to remove the magnetic foreign objects on the electromagnet, the power supply of the electromagnet is disconnected to make it lose magnetism, which can reduce the difficulty of removing the magnetic foreign objects and improve the thoroughness of removing the magnetic foreign objects.

[0066] Furthermore, as Figure 7 shown, the conveying line foreign object removal device further includes a handling carrier 300. The handling carrier 300 is disposed on the roller conveyor line. The handling carrier 300 is used to carry the handling object, and a second magnetic member 310 is provided on the outer peripheral wall of the handling carrier 300. By providing the second magnetic member 310 on the outer peripheral wall of the handling carrier 300, the magnetic foreign objects floating in the air can be adsorbed by the second magnetic member 310, further reducing the risk that the magnetic foreign objects float onto the handling object and cause defects in the handling object.

[0067] Optionally, a plurality of second magnetic members 310 can be provided along the circumferential direction of the handling carrier 300.

[0068] In this embodiment, the handling vehicle 300 includes four side walls, and second magnetic members 310 are provided on all four side walls.

[0069] This embodiment also provides a conveyor line, which includes a roller conveyor line and the above-mentioned foreign object removal device for the conveyor line, and the foreign object removal device for the conveyor line is applied to the roller conveyor line.

[0070] Since the above-mentioned foreign object removal device for the conveyor line is adopted, the product yield of the handled objects is improved for this conveyor line.

[0071] Although the embodiments of the present invention have been described above with reference to the drawings, the present invention is not limited to the above embodiments, but can be manufactured in various forms, and those skilled in the art will understand that the present invention can be implemented in other specific forms without changing the technical spirit or basic characteristics of the present invention. Therefore, it should be understood that the above embodiments are exemplary in all aspects and not restrictive.

Claims

1. A foreign object removal device for a conveyor line, which is used for a roller conveyor line. The roller conveyor line includes a mounting frame and a plurality of rollers rotatably mounted on the mounting frame, and is characterized in that, The foreign object removal device for the conveyor line includes: A plurality of foreign object adsorption mechanisms are provided, and the plurality of foreign object adsorption mechanisms are installed on the mounting rack at intervals. The foreign object adsorption mechanism includes a first magnetic member, and the first magnetic member is used to adsorb magnetic foreign objects generated by the wear of the roller. The foreign object removal mechanism is arranged below the roller conveyor line and includes a traveling module and a foreign object removal module arranged on the traveling module. The traveling module is used to convey the foreign object removal module below each of the foreign object adsorption mechanisms, and the foreign object removal module is used to remove the magnetic foreign objects adsorbed on the first magnetic member.

2. The foreign object removal device for the conveyor line according to claim 1, characterized in that, Both ends of the first magnetic member are provided with rotating shafts, and the two rotating shafts are rotatably connected to opposite sides of the mounting rack. A first gear is provided on one of the rotating shafts. The foreign object removal module includes: A lifting unit arranged on the traveling module; A working platform arranged on the lifting unit, and the lifting unit is used to drive the working platform to lift and lower; A foreign object storage box arranged on the working platform. An opening is provided above the foreign object storage box, and the projection of the first magnetic member in the vertical direction enters the opening; A first rotation driving member is arranged on the working platform. A second gear is provided at the output end of the first rotation driving member, and the first rotation driving member is used to drive the second gear to rotate. The lifting unit can drive the working platform to lift and lower so that the second gear meshes with or disengages from the first gear; A reciprocating motion unit is arranged on the working platform; A transmission arm, one end of which is connected to the reciprocating motion unit, and the reciprocating motion unit is used to drive the transmission arm to reciprocate along the extending direction of the first magnetic member; A scraping head is arranged at the other end of the transmission arm and is located above the opening of the foreign object storage box. The scraping head can slide and adhere to the first magnetic member to scrape off the magnetic foreign objects adsorbed on the first magnetic member.

3. The foreign object removal device for the conveyor line according to claim 2, characterized in that, The first magnetic member is cylindrical, and the scraping head is arc-shaped. The arc surface of the scraping head can slide and fit on the circumferential surface of the first magnetic member.

4. The foreign object removal device for a conveyor line according to claim 2, wherein, A cleaning brush is provided on the surface of the scraping head facing the first magnetic member, and the cleaning brush is used to clean the magnetic foreign objects.

5. The foreign object removal device for a conveyor line according to claim 1, wherein, The traveling module includes: A traveling seat, on which a traveling track is provided; A lead screw installed in the traveling track; A nut connected to the lead screw. An installation platform is provided at the top of the nut, and the installation platform is used to install the foreign object removal module; A second rotation driving member is arranged on the traveling seat, and the output end of the second rotation driving member is connected to the lead screw and is used to drive the lead screw to rotate.

6. The foreign object removal device for a conveyor line according to any one of claims 1-5, characterized in that, The first magnetic member includes a housing and a magnet detachably installed in the housing, and the magnet can adsorb the magnetic foreign objects on the outer wall of the housing.

7. The foreign object removal device for the conveyor line according to any one of claims 1-5, characterized in that, The first magnetic member is an electromagnet.

8. The foreign object removal device for a conveyor line according to claim 1, wherein, One foreign object adsorption mechanism is provided between adjacent two rollers.

9. The foreign object removal device for a conveyor line according to claim 1, wherein The foreign object removal device for the conveyor line further includes a handling carrier arranged on the roller conveyor line. The handling carrier is used to carry and transport objects, and a second magnetic member is provided on the outer peripheral wall of the handling carrier.

10. Conveyor line, characterized in that, It includes a roller conveyor line and the conveyor line foreign object removal device according to any one of claims 1-9, and the conveyor line foreign object removal device is applied to the roller conveyor line.

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