Conveyor line

By combining a magnetic drive transmission line and a precision detection device, efficient movement and precise detection of the object to be detected are achieved, solving the problems of complex structure and cumbersome process of existing conveyor lines, simplifying the processing technology and avoiding damage to the object to be detected.

CN223521700UActive Publication Date: 2025-11-07SHENZHEN DH ROBOTICS TECH CO LTD
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Patent Information

Application Number
CN202423115610.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-16
Publication Date
2025-11-07
Estimated Expiration
2034-12-16

AI Technical Summary

Technical Problem

Existing conveyor lines require the objects to be inspected to be transferred to a fixed position for inspection, resulting in complex structures and cumbersome procedures.

Method used

The method combines a magnetic drive transmission line and a precision detection device. The object to be detected is moved to the precision detection device by a magnetic drive module, and the precision measuring device is lowered by a lifting drive for detection.

Benefits of technology

It simplifies the processing technology, improves the detection efficiency, and has a simple structure that does not damage the object to be detected.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a conveying line. The conveying line comprises a machine table, a magnetic drive conveying line and a precision detection device. The magnetic drive conveying line and the precision detection device are both arranged on the machine table. The magnetic drive transmission line comprises a stator module and a mover module, the mover module is movably arranged on the stator module, and the stator module can drive the mover module to move in the arrangement direction of the stator module through magnetic force; the precision detection device comprises a support, a lifting driver, a first mounting seat and a precision measurer, the support is connected with the machine table and the lifting driver, the first mounting seat is fixedly connected to the output end of the lifting driver, and the precision measurer is mounted on the first mounting seat and suspended above the stator module; the rotor module can be driven by the stator module to move and drive a to-be-detected object on the rotor module to move to the precision detection device, and the lifting driver can drive the first mounting base to ascend and descend so that the first mounting base can drive the precision measurer to descend so as to carry out precision detection on the to-be-detected object.
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Description

TECHNICAL FIELD

[0001] The utility model relates to precision detection technical field, especially relate to a conveying line. BACKGROUND

[0002] The existing conveying line can only convey the object to be detected to somewhere, and then transfer the object to be detected to a fixed position for detection, resulting in complex structure and cumbersome process. INVENTION CONTENTS

[0003] The utility model embodiment provides a conveying line to solve at least one technical problem existing above.

[0004] The utility model embodiment of the present application provides a conveying line, which comprises a machine table, a magnetic drive transmission line and a precision detection device.

[0005] The magnetic drive transmission line comprises a stator module and a rotor module, the rotor module is movably arranged in the stator module, and the stator module can drive the rotor module to move along the arrangement direction of the stator module through magnetic force.

[0006] The precision detection device comprises a support and a precision measurer, the support connects the machine table and the precision measurer, and the precision measurer is suspended on the machine table through the support.

[0007] The rotor module can move under the drive of the stator module, and the object to be detected on the rotor module can be moved to the precision detection device, and the precision measurer can detect the precision of the object to be detected.

[0008] In the above conveying line, the magnetic drive transmission line and the precision detection device are arranged on the machine table, the rotor module can move under the drive of the stator module, and the object to be detected on the rotor module can be moved to the precision detection device, and the precision measurer can detect the precision of the object to be detected, so that the structure is simple and the processing technology is simplified.

[0009] In some embodiments, the precision detection device further comprises a lifting drive and a first mounting seat, the support connects the machine table and the lifting drive, the lifting drive is suspended on the machine table through the support, the first mounting seat is fixedly connected to the output end of the lifting drive, and the precision measurer is installed on the first mounting seat and suspended above the stator module.

[0010] The lifting drive can drive the first mounting seat to lift, so that the first mounting seat drives the precision measurer to descend to detect the precision of the object to be detected conveyed by the magnetic drive transmission line.

[0011] In some embodiments, the precision detection device comprises a magnetic base and a connecting base, the connecting base is arranged between the lifting driver and the magnetic base, and the magnetic base is arranged on the side of the connecting base away from the lifting driver.

[0012] In some embodiments, the precision detection device comprises a second mounting base, the second mounting base is connected to one side of the lifting driver, and the second mounting base is connected to the support.

[0013] In some embodiments, the precision detection device comprises a limiting piece, the limiting piece is movably connected to the connecting base, and the limiting piece can be driven to move to the front of the precision measurement device along the conveying direction of the magnetic drive transmission line.

[0014] In some embodiments, the limiting piece is rotatably connected to the connecting base and can be driven to rotate close to or away from the stator module.

[0015] In some embodiments, the precision detection device comprises a rotating base, the limiting piece is provided with a mounting hole, the rotating base passes through the mounting hole and is connected to the connecting base, the rotating base and the limiting piece are located on the same side of the connecting base, and the limiting piece is rotatably connected to the connecting base through the rotating base.

[0016] In some embodiments, the precision detection device comprises a buffer block, the buffer block is arranged on the limiting piece and located in front of the limiting piece along the conveying direction of the magnetic drive transmission line.

[0017] In some embodiments, the precision detection device comprises a limiting base, the limiting base is arranged on the side of the connecting base away from the second mounting base and below the magnetic base, and the limiting base is used to block the rotation of the limiting piece away from the stator module when the limiting piece abuts against the limiting base.

[0018] In some embodiments, one end of the first mounting base is provided with a clamping groove, the precision measurement device is provided with a top rod and a rod sleeve, the rod sleeve is clamped in the clamping groove, and the top rod passes through the rod sleeve.

[0019] In some embodiments, the precision measurement device comprises a micro-ohmmeter.

[0020] Additional aspects and advantages of the present application will be partially given in the following description, partially will become obvious from the following description, or will be understood by the practice of the present application. BRIEF DESCRIPTION OF DRAWINGS

[0021] The above and / or additional aspects and advantages of the present utility model will become apparent and more readily appreciated from the following description of the embodiments, taken in conjunction with the references to the following drawings, of which:

[0022] Figure 1 is a structural schematic view of the conveying line of the embodiment of the present utility model;

[0023] Figure 2 is a structural schematic view of the precision detection device of the embodiment of the present utility model;

[0024] Figure 3 is a side view of the precision detection device of the embodiment of the present utility model;

[0025] Figure 4 is a partial structural schematic view of the precision detection device of the embodiment of the present utility model.

[0026] Reference signs:

[0027] 100, conveying line;10, machine table;12, magnetic drive transmission line;14, precision detection device;15, object to be detected;16, stator module;18, mover module;20, bracket;22, lifting driver;24, first mounting seat;26, precision measurer;27, millionth meter;28, output end;30, sliding block;32, sliding rail;34, sliding groove;36, second mounting seat;38, magnetic force seat;40, connecting seat;42, limiting piece;44, rotating seat;45, mounting hole;46, buffer block;48, limiting seat;50, clamping groove;52, jacking rod;54, rod sleeve. DETAILED DESCRIPTION

[0028] The embodiments of the present utility model will be described in detail below, examples of which are shown in the drawings, wherein the same or similar reference signs represent the same or similar elements or elements with the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary and are only used to explain the present utility model, and cannot be understood as a limitation of the present utility model.

[0029] In the description of the present utility model, it is understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present utility model and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation of the present utility model. In the description of the present utility model, the meaning of "multiple" is two or more, unless otherwise specifically limited.

[0030] In the description of the utility model, it is to be explained that, unless there is definite stipulation and limitation, the term "mount", "link", "connect" should be broad sense understanding, for example, can be fixed connection, also can be detachable connection, or integrally connect. Can be mechanical connection, also can be electrical connection. Can be direct connection, also can indirectly connect through intermediate medium, can be two element internal communication or two element mutual action relation. For ordinary skilled in the art, the above-mentioned term can be understood according to the specific meaning of the utility model.

[0031] In the utility model, unless there is definite stipulation and limitation, the first feature is "on" or "under" the second feature can include that the first and second features are in direct contact, also can include that the first and second features are not in direct contact but are in contact through other features between them. Moreover, the first feature "on", "above" and "on" the second feature includes that the first feature is directly above and obliquely above the second feature, or just indicates that the horizontal height of the first feature is higher than the second feature. The first feature "under", "below" and "under" the second feature includes that the first feature is directly below and obliquely below the second feature, or just indicates that the horizontal height of the first feature is less than the second feature.

[0032] The disclosure herein provides many different implementations or examples to implement different structures of the utility model. In order to simplify the disclosure of the utility model, the components and settings of specific examples are described herein. Of course, they are only examples, and the purpose is not to limit the utility model. In addition, the utility model can repeatedly refer to numbers and / or reference letters in different examples, and such repetition is for the purpose of simplification and clarity, which itself does not indicate the relationship between the various embodiments and / or settings discussed. In addition, the utility model provides various specific examples of processes and materials, but those skilled in the art can realize the application of other processes and / or the use of other materials.

[0033] Please refer to Figures 1 to 4The utility model discloses a conveying line 100 includes machine table 10, magnetic drive transmission line 12 and precision detection device 14, and magnetic drive transmission line 12 and precision detection device 14 all are arranged on machine table 10, and magnetic drive transmission line 12 includes stator module 16 and mover module 18, and mover module 18 movably set up in stator module 16, and stator module 16 drives mover module 18 to move along the arrangement direction of stator module 16 through magnetic force, and precision detection device 14 includes support 20, lifting driver 22, first mounting seat 24 and precision measurer 26, and support 20 connects machine table 10 and lifting driver 22, and lifting driver 22 is suspended on machine table 10 through support 20, and first mounting seat 24 is fixedly connected in the output 28 of lifting driver 22, and precision measurer 26 is installed on first mounting seat 24, and is suspended in the above of stator module 16, and mover module 18 can be moved under the drive of stator module 16, and drive the object 15 to be detected on mover module 18 to move to precision detection device 14, and lifting driver 22 can drive first mounting seat 24 to lift, so that first mounting seat 24 drive precision measurer 26 to descend to carry out precision detection to the object 15 to be detected.

[0034] In the conveying line 100, the magnetic drive transmission line 12 and the precision detection device 14 are arranged on the machine table 10. The mover module 18 can be moved under the drive of the stator module 16, and drive the object 15 to be detected on the mover module 18 to move to the precision detection device 14. The lifting driver 22 can drive the first mounting seat 24 to lift, so that the first mounting seat 24 drive the precision measurer 26 to descend to carry out precision detection to the object 15 to be detected. The structure is simple, and the processing technology is simplified.

[0035] Specifically, the precision detection device 14 can be arranged on one side of the magnetic drive transmission line 12. The stator module 16 can be a waist circular ring-shaped object carrying workbench, and the stator module 16 is fixed on the machine table 10. The mover module 18 can be a movable object carrying table, and the mover module 18 is movably arranged on the stator module 16. In one example, the stator module 16 can drive the mover module 18 to move along the surrounding direction of the stator module 16 through magnetic force.

[0036] One end of the support 20 can be fixedly connected to the machine table 10, and the other end can be connected to the lifting driver 22. The precision measuring device 26 is connected to one end of the first mounting seat 24. Optionally, the lifting driver 22 comprises an electric cylinder, and the output end 28 of the lifting driver 22 can be connected with a sliding block 30. The sliding block 30 can be in an L shape, and the sliding block 30 can be arranged on the side of the lifting driver 22. The first mounting seat 24 can be connected to one side of the sliding block 30. Part of the sliding block 30 can be arranged between the first mounting seat 24 and the lifting driver 22. The side of the lifting driver 22 facing the first mounting seat 24 can be provided with a sliding rail 32, and the sliding rail 32 can be arranged along the height direction H of the precision detection device 14. The side of the part of the sliding block 30 between the first mounting seat 24 and the lifting driver 22 facing the sliding rail 32 is provided with a sliding groove 34, and the sliding rail 32 can be arranged in the sliding groove 34. The sliding block 30 can move along the direction of the sliding rail 32.

[0037] In one embodiment, the mover module 18 can be driven by the magnetic force of the stator module 16 to move, and drive the to-be-detected object 15 on the mover module 18 to move to the precision detection device 14. In one embodiment, when the to-be-detected object 15 moves to the precision detection device 14, the output end 28 of the lifting driver 22 can drive the sliding block 30 to move along the height direction H of the precision detection device 14. The sliding block 30 can drive the first mounting seat 24 to ascend and descend, so that the first mounting seat 24 drives the precision measuring device 26 to descend to detect the precision of the to-be-detected object 15. The structure is simple, and the processing technology is simplified.

[0038] Please combine Figure 2 In some embodiments, the precision detection device 14 comprises a magnetic seat 38 and a connecting seat 40. The connecting seat 40 is arranged between the lifting driver 22 and the magnetic seat 38, and the magnetic seat 38 is arranged on the side of the connecting seat 40 away from the lifting driver 22.

[0039] In this way, the magnetic seat 38 can be installed through the connecting seat 40, so that the magnetic seat 38 is convenient to disassemble and assemble, has high stability, and can be adjusted and fine-tuned. Meanwhile, the magnetic seat 38 is non-physically fixed on the connecting seat 40, and will not damage the surface of the measured object, especially soft or sensitive materials.

[0040] Specifically, the connecting seat 40 is arranged between the lifting driver 22 and the magnetic seat 38, and the magnetic seat 38 is arranged on the side of the connecting seat 40 away from the lifting driver 22. In this way, the magnetic seat 38 can be installed through the connecting seat 40, so that the magnetic seat 38 is convenient to disassemble and assemble, has high stability, and can be adjusted and fine-tuned. Meanwhile, the magnetic seat 38 is non-physically fixed on the connecting seat 40, and will not damage the surface of the measured object, especially soft or sensitive materials.

[0041] Please combine Figure 2 andFigure 4 In some embodiments, the precision detection device 14 comprises a second mounting base 36 connected to one side of the lifting driver 22, and the second mounting base 36 is connected to the support 20.

[0042] In this way, the lifting driver 22 can be fixed and suspended on the machine table 10.

[0043] Specifically, the second mounting base 36 is mounted on the side of the lifting driver 22 opposite to the first mounting base 24. Optionally, one end of the support 20 can be connected to the bottom side of the second mounting base 36, and the other end can be connected to the machine table 10. In one embodiment, by mounting the lifting driver 22 on the second mounting base 36, the support 20 connects the second mounting base 36 and the machine table 10, so that the lifting driver 22 can be fixed and suspended on the machine table 10.

[0044] Please refer to Figure 2 In some embodiments, the precision detection device 14 comprises a limiting piece 42 movably connected to the connecting base 40, and the limiting piece 42 can be driven to move at least partially in front of the precision measurement device 26 along the conveying direction of the magnetic drive transmission line 12.

[0045] In this way, the precision detection device 14 can be protected from damage caused by the uncontrolled movement of the rotor module 18 to the precision measurement device 26 and other components.

[0046] Specifically, along the conveying direction S of the magnetic drive transmission line 12, one end of the limiting piece 42 can be movably connected to one side of the connecting base 40 near the bottom end of the connecting base 40, and the limiting piece 42 can be driven to move at least partially in front of the precision measurement device 26 along the conveying direction of the magnetic drive transmission line 12. In this way, the precision detection device 14 can be protected from damage caused by the uncontrolled movement of the rotor module 18 to the precision measurement device 26 and other components.

[0047] Please refer to Figure 2 In some embodiments, the limiting piece 42 is rotatably connected to the connecting base 40 and can be driven to rotate towards or away from the stator module 16.

[0048] In this way, the rotation adjustment of the limiting piece 42 can be realized to match different rotor modules 18 and objects 15 to be detected.

[0049] Specifically, one end of the limiting piece 42 can be rotatably connected to one side of the connecting base 40 and can be driven to rotate towards or away from the stator module 16. In this way, the rotation adjustment of the limiting piece 42 can be realized to match different rotor modules 18 and objects 15 to be detected. Optionally, the limiting piece 42 can be rotated by electric control.

[0050] Please refer to Figure 3In some embodiments, the precision detection device 14 comprises a rotating seat 44, the limiting piece 42 is provided with a mounting hole 45, the rotating seat 44 is connected with the connecting seat 40 through the mounting hole 45, the rotating seat 44 is located on the same side of the connecting seat 40 as the limiting piece 42, and the limiting piece 42 is rotatably connected with the connecting seat 40 through the rotating seat 44.

[0051] In this way, the rotation adjustment of the limiting piece 42 can be further realized through the rotating seat 44.

[0052] Specifically, the limiting piece 42 is provided with the mounting hole 45 at one end close to the connecting seat 40, and one end of the rotating seat 44 can pass through the mounting hole 45 to be connected with the connecting seat 40. In one embodiment, when the mover module 18 is out of control, one end of the limiting piece 42 is rotatably connected with the connecting seat 40 through the rotating seat 44, and the other end can be rotated to the front of the precision measuring device 26, thereby avoiding damage to the precision measuring device 26 and other components caused by the out-of-control of the mover module 18.

[0053] It can be understood that, in one example, the rotating seat 44 can be fixedly connected with the limiting piece 42, one end of the rotating seat 44 can pass through the mounting hole 45 to be rotatably connected with the connecting seat 40, and thus the limiting piece 42 is rotatably connected with the connecting seat 40 through the rotating seat 44. In one example, the rotating seat 44 is rotatably connected with the limiting piece 42, one end of the rotating seat 44 passes through the mounting hole 45 to be fixedly connected with the connecting seat 40, and thus the limiting piece 42 is rotatably connected with the connecting seat 40 through the rotating seat 44.

[0054] Please refer to Figure 2 In some embodiments, the precision detection device 14 comprises a buffer block 46, the buffer block 46 is arranged on the limiting piece 42 and located in front of the limiting piece 42 along the conveying direction S of the magnetic drive transmission line 12.

[0055] In this way, damage to the mover module 18 caused by the out-of-control of the mover module 18 can be avoided.

[0056] Specifically, the buffer block 46 comprises buffer cotton, and along the conveying direction S of the magnetic drive transmission line 12, the buffer block 46 is arranged on the side of the limiting piece 42 away from the connecting seat 40 and at one end of the limiting piece 42 away from the connecting seat 40. In one example, the buffer block 46 is located in front of the limiting piece 42 along the conveying direction S of the magnetic drive transmission line 12, and damage to the mover module 18 caused by the out-of-control of the mover module 18 can be avoided.

[0057] Please refer to Figure 2 and Figure 3 In some embodiments, the precision detection device 14 comprises a limiting seat 48, the limiting seat 48 is arranged on the side of the connecting seat 40 away from the second mounting seat 36 and located below the magnetic force seat 38, and the limiting seat 48 is used to block the rotation of the limiting piece 42 in the direction away from the stator module 16 when the limiting piece 42 abuts against the limiting seat 48.

[0058] In this way, the movement space of the limiting member 42 can be limited, and the limiting member 42 is prevented from rotating in a direction away from the stator module 16 when the limiting member 42 abuts against the limiting seat 48.

[0059] Specifically, one end of the limiting seat 48 can be connected to the side of the connecting seat 40 away from the second mounting seat 36 and close to the bottom end of the connecting seat 40, and the other end of the limiting seat 48 can be used to resist the limiting member 42. In an embodiment, when the limiting member 42 abuts against the limiting seat 48, the limiting member 42 can rotate in a clockwise direction R1 with the rotating seat 44 as the center of rotation. In an embodiment, when the limiting member 42 abuts against the limiting seat 48, the limiting seat 48 can block the limiting member 42 from rotating in a counterclockwise direction R2 with the rotating seat 44 as the center of rotation.

[0060] Please refer to Figure 2 In some embodiments, one end of the first mounting seat 24 is provided with a clamping groove 50, and the precision measuring device 26 has a top rod 52 and a rod sleeve 54, the rod sleeve 54 is clamped in the clamping groove 50, and the top rod 52 penetrates the rod sleeve 54.

[0061] In this way, the precision measuring device 26 can be fixedly installed.

[0062] Specifically, the bottom end of the first mounting seat 24 is provided with a clamping groove 50 in the height direction H of the precision detection device 14. The rod sleeve 54 can be cylindrical, and the rod sleeve 54 can be clamped in the clamping groove 50 and close to the bottom end of the first mounting seat 24. In an embodiment, one end of the top rod 52 can penetrate the rod sleeve 54, and the precision measuring device 26 can be fixedly installed.

[0063] Please refer to Figure 2 In some embodiments, the precision measuring device 26 includes a micro-ohmmeter 27.

[0064] In this way, the size of the object to be detected 15 can be measured by the micro-ohmmeter 27.

[0065] Specifically, the micro-ohmmeter 27 is a high-precision measuring tool, mainly used for measuring linear dimensions such as workpiece diameter, thread, hole diameter and thickness, etc. Its measurement range is usually between zero point several millimeters and tens of millimeters, and the measurement accuracy can reach one ten-thousandth of a millimeter.

[0066] In the description of the present specification, the description referring to the terms "one embodiment", "some embodiments", "exemplary embodiment", "example", "specific example", or "some examples" etc. means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present application. In the present specification, the exemplary description of the above terms does not necessarily mean the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0067] Although the embodiments of the present application have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made thereto without departing from the principles and spirit of the present application, and the scope of the present application is defined by the claims and their equivalents.

Claims

1. A conveyor line, characterized in that, The precision detection device comprises a machine table, a magnetic drive transmission line and a precision detection device, the magnetic drive transmission line and the precision detection device are arranged on the machine table; The magnetic drive transmission line comprises a stator module and a mover module, the mover module is movably arranged on the stator module, and the stator module can drive the mover module to move along the arrangement direction of the stator module through magnetic force; The precision detection device comprises a support and a precision measurer, the support connects the machine table and the precision measurer, and the precision measurer is suspended on the machine table through the support; The mover module can be driven to move by the stator module, and the object to be detected on the mover module is moved to the precision detection device, and the precision measurer can detect the precision of the object to be detected.

2. The conveyor line of claim 1, wherein, The precision detection device further comprises a lifting driver and a first mounting seat, the support connects the machine table and the lifting driver, the lifting driver is suspended on the machine table through the support, the first mounting seat is fixedly connected to the output end of the lifting driver, the precision measurer is mounted on the first mounting seat and suspended above the stator module; The lifting driver can drive the first mounting seat to ascend and descend, so that the first mounting seat drives the precision measurer to descend to detect the precision of the object to be detected conveyed by the magnetic drive transmission line.

3. The conveyor line of claim 2, wherein, The precision detection device comprises a magnetic force seat and a connecting seat, the connecting seat is arranged between the lifting driver and the magnetic force seat, and the magnetic force seat is arranged on the side of the connecting seat away from the lifting driver.

4. The conveyor line of claim 3, wherein, The precision detection device comprises a second mounting seat, the second mounting seat is connected to one side of the lifting driver, and the second mounting seat connects the support.

5. The conveyor line of claim 4, wherein, The precision detection device comprises a limiting piece, the limiting piece is movably connected to the connecting seat, and the limiting piece can be driven to move at least partially in front of the precision measurer along the conveying direction of the magnetic drive transmission line.

6. The conveyor line of claim 5, wherein, The limiting piece is movably connected to the connecting seat and can be driven to rotate close to or away from the stator module.

7. The conveyor line of claim 6, wherein, The precision detection device comprises a rotating seat, the limiting piece is provided with a mounting hole, the rotating seat passes through the mounting hole and is connected to the connecting seat, the rotating seat and the limiting piece are located on the same side of the connecting seat, and the limiting piece is movably connected to the connecting seat through the rotating seat.

8. The conveyor line of claim 7, wherein, The precision detection device comprises a buffer block, the buffer block is arranged on the limiting piece and located in front of the limiting piece along the conveying direction of the magnetic drive transmission line.

9. The conveyor line of claim 6, wherein, The precision detection device comprises a limiting seat, the limiting seat is arranged on the side of the connecting seat away from the second mounting seat and below the magnetic force seat, and the limiting seat is used to block the rotation of the limiting piece away from the stator module when the limiting piece abuts against the limiting seat.

10. The delivery line of claim 2, wherein, One end of the first mounting seat is provided with a clamping groove, the precision measurer is provided with a top rod and a rod sleeve, the rod sleeve is clamped in the clamping groove, and the top rod passes through the rod sleeve; and / or, the precision measurer comprises a millionth table.