A magnetic levitation connection transmission line

Abstract

This utility model relates to a magnetic levitation connection transmission line, including a frame and a magnetic levitation conveyor mechanism, a belt conveyor mechanism, and a carrier mounted on the frame. The belt conveyor mechanism can connect with the magnetic levitation conveyor mechanism, the carrier is transported and moved by the magnetic levitation conveyor mechanism, and the carrier can return to the magnetic levitation conveyor mechanism via the belt conveyor mechanism. The belt conveyor mechanism includes a belt arranged along the conveying direction of the magnetic levitation conveyor mechanism. The key feature is that a magnetic suction element is provided inside the belt, and a magnetic element is provided at the bottom of the carrier that can cooperate with the magnetic suction element's attraction. The advantages are: by setting a magnetic suction element inside the belt and a magnetic element at the bottom of the carrier, the attraction between the magnetic suction element and the magnetic element generates a large frictional force, making the carrier more stable and reliable when it is driven back by the belt. This transmission line has a simple structure, low cost, and better return effect, and does not cause wear on the belt.

Description

Technical Field

[0001] This utility model relates to the field of transmission line technology, and in particular to a magnetic levitation connection transmission line. Background Technology

[0002] Magnetic levitation connecting transmission lines combine the technologies of magnetic levitation loop transmission lines and belt transmission lines, making them significantly cheaper than loop transmission lines while offering advantages over belt transmission lines, such as higher positioning accuracy and more flexible control. In existing technologies, the main line of a magnetic levitation connecting transmission line uses a motor to achieve positioning control for each carrier. To save costs, the return section uses a belt to pull the carrier back to its initial position. However, the existing belt return section relies on the friction between the belt and the carrier to pull it back, requiring the belt to be taut. If the belt is too long, it will sag, reducing friction and causing return failure.

[0003] To address the aforementioned technical issues, Chinese utility model patent ZL202223568110.7 (authorization announcement number CN219098091U) discloses a lifting and recirculating magnetic levitation hybrid drive conveying device. This conveying device includes a frame and a magnetic levitation slide assembly. A magnetic levitation conveying mechanism and a belt conveying mechanism are installed on the upper and lower parts of the frame, respectively. A lifting transfer mechanism one and a lifting transfer mechanism two are respectively provided at both ends of the magnetic levitation conveying mechanism and the belt conveying mechanism. The magnetic levitation slide assembly moves back and forth between the magnetic levitation conveying mechanism and the belt conveying mechanism through the lifting transfer mechanism one and the lifting transfer mechanism two.

[0004] Although the aforementioned patent uses a rack on the belt and a second rack at the bottom of the magnetic levitation slide assembly (also known as a carrier) to engage with the rack, the engagement of racks one and two during belt operation drives the magnetic levitation slide assembly, reducing the probability of backflow failure. However, this patent has the following limitations: misalignment of racks one and two will cause wear on the belt, potentially damaging it over time and leading to backflow failure. Therefore, further improvements to the existing technology are needed. Utility Model Content

[0005] The technical problem to be solved by this utility model is to provide a magnetic levitation connection transmission line with more stable and reliable return flow, in light of the above-mentioned prior art.

[0006] The technical solution adopted by this utility model to solve the above-mentioned technical problems is as follows: a magnetic levitation connection transmission line, including a frame and a magnetic levitation conveying mechanism, a belt conveying mechanism and a carrier disposed on the frame. The belt conveying mechanism can connect with the magnetic levitation conveying mechanism. The carrier is conveyed and moved by the magnetic levitation conveying mechanism, and the carrier can return to the magnetic levitation conveying mechanism through the belt conveying mechanism. The belt conveying mechanism includes a belt arranged along the conveying direction of the magnetic levitation conveying mechanism. The belt is characterized in that a magnetic suction element is provided inside the belt, and a magnetic element that can cooperate with the magnetic suction element is provided at the bottom of the carrier.

[0007] Preferably, the magnetic attractor is a metal wire made of magnetic material, which is embedded inside the belt along the belt's extension direction.

[0008] In a further improvement, the belt conveyor mechanism also includes a motor and a reducer, with the reducer connected to the drive end of the motor and the belt sleeved on the power output shaft of the reducer.

[0009] In order to tighten the belt and reduce the probability of backflow failure, the belt conveyor mechanism also includes two tensioning pulleys that are disposed opposite each other above the power output shaft of the reducer. The belt is wound around the power output shaft of the reducer and passes through the side of each tensioning pulley, thereby pressing the belt tight.

[0010] To enable the transport of the vehicle, the magnetic levitation conveyor mechanism includes multiple stators arranged side by side at intervals. Each stator contains a coil for driving the vehicle to move when energized. The vehicle is equipped with a position sensor. Each stator is equipped with an encoder head for reading the position signal of the position sensor. Each stator's coil is connected to a driver, and the driver is connected to the encoder head on its corresponding stator.

[0011] Furthermore, the frame is provided with two first guide rails that extend along the direction of the vehicle's movement and are arranged opposite to each other, all stators are located between the two first guide rails, and the vehicle is slidably mounted on the first guide rails.

[0012] In a further improvement, the frame is also provided with two opposing second guide rails, the second guide rails being located below the first guide rail and arranged along the extension direction of the first guide rail, the carrier being slidably mounted on the second guide rails, and the belt being disposed between the two second guide rails.

[0013] To enable the connection between the belt conveyor and the magnetic levitation conveyor, preferably, the first guide rail is provided with a third guide rail at each end, which can be connected to the first guide rail one by one. A stator is also provided between the third guide rails, and an encoder reading head is also provided on the stator. The frame is provided with a lifting mechanism that enables the connection between the belt conveyor and the magnetic levitation conveyor. The lifting mechanism includes a mounting plate for mounting each third guide rail and a driving component for driving the mounting plate to move up and down. The mounting plate can be lowered under the drive of the driving component, thereby driving the third guide rail to move down and connect with the second guide rail.

[0014] Compared with the prior art, the advantages of this utility model are as follows: by setting a magnetic suction component inside the belt and a magnetic component at the bottom of the carrier, the magnetic suction component and the magnetic component cooperate to generate a large frictional force, thereby making the carrier more stable and reliable when it is driven by the belt for recirculation. The transmission line has a simple structure, low cost and better recirculation effect, and will not cause wear to the belt. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the structure of the magnetic levitation connection transmission line in an embodiment of this utility model;

[0016] Figure 2 for Figure 1 A partial structural diagram;

[0017] Figure 3 for Figure 2 Another perspective structural diagram;

[0018] Figure 4 This is a schematic diagram of the lifting mechanism in an embodiment of the present utility model;

[0019] Figure 5 This is a schematic diagram of the belt conveyor mechanism in an embodiment of the present invention;

[0020] Figure 6 for Figure 5 Another perspective structural diagram;

[0021] Figure 7 for Figure 5 Another perspective structural diagram. Detailed Implementation

[0022] The present invention will be further described in detail below with reference to the accompanying drawings and embodiments.

[0023] like Figures 1-7As shown, the magnetic levitation connection transmission line in this embodiment includes a frame 1 and a magnetic levitation conveying mechanism 2, a belt conveying mechanism 3, and a carrier 4 mounted on the frame 1. The belt conveying mechanism 3 can connect with the magnetic levitation conveying mechanism 2. The carrier 4 is conveyed and moved by the magnetic levitation conveying mechanism 2, and the carrier 4 can return to the magnetic levitation conveying mechanism 2 via the belt conveying mechanism 3. The belt conveying mechanism 3 includes a belt 31 arranged along the conveying direction of the magnetic levitation conveying mechanism 2. A magnetic attractor (not shown in the figure) is provided inside the belt 31. The bottom of the carrier 4 is provided with a magnetic component 40 that can cooperate with the magnetic attractor's attraction. In this embodiment, the carrier 4 is a trolley.

[0024] The magnetic component is a metal wire made of magnetic material, which is embedded inside the belt 31 along its extension direction. In this embodiment, the metal wire is a steel wire, and the magnetic component 40 is a magnet.

[0025] like Figure 2 and Figure 3 As shown, the magnetic levitation conveying mechanism 2 in this embodiment includes multiple stators 22 arranged side by side at intervals. Each stator 22 is provided with a coil (not shown in the figure) for driving the carrier 4 to move after being energized. The carrier 4 is provided with a position sensor 41. Each stator 22 is provided with an encoder head 221 for reading the position signal of the position sensor 41. Each stator 22's coil is connected to a corresponding driver (not shown in the figure), and the driver is connected to the encoder head 221 on its corresponding stator 22.

[0026] In addition, in order to achieve stable transmission of the carrier 4, the frame 1 is provided with two first guide rails 21 that extend along the direction of movement of the carrier 4 and are arranged opposite each other. All stators 22 are located between the two first guide rails 21, and the carrier 4 is slidably mounted on the first guide rails 21.

[0027] like Figures 5-7 As shown, the belt conveyor mechanism 3 also includes a motor 32, a reducer 33, and two tensioning pulleys 34 oppositely arranged above the power output shaft 331 of the reducer 33. The reducer 33 is connected to the drive end of the motor 32. The belt 31 is sleeved on the power output shaft 331 of the reducer 33 and wound around the power output shaft 331 of the reducer 33, passing through the side of each tensioning pulley 34, thereby pressing the belt 31. Similarly, in order to achieve stable transmission of the carrier 4, the frame 1 is also provided with two oppositely arranged second guide rails 35. The second guide rails 35 are located below the first guide rail 21 and are arranged along the extension direction of the first guide rail 21. The carrier 4 is slidably mounted on the second guide rails 35, and the belt 31 is located between the two second guide rails 35.

[0028] like Figure 4As shown, the first guide rail 21 has third guide rails 5 at both ends that can be connected to it one by one. A stator 22 is also provided between the third guide rails 5, and an encoder reader 221 is also provided on the stator 22. The frame 1 is equipped with a lifting mechanism 6 that enables the belt conveyor mechanism 3 to connect with the magnetic levitation conveyor mechanism 2. The lifting mechanism 6 includes mounting plates 61 for mounting each third guide rail 5 and a driving component 62 that drives the mounting plates 61 to move up and down. The mounting plates 61 can descend under the drive of the driving component 62, thereby causing the third guide rails 5 to move down and connect with the second guide rail 35. In this embodiment, the driving component 62 is a drive motor, which is connected to the mounting plates 61 by a screw drive.

[0029] In this embodiment, each driver is electrically connected to the controller, which controls the current of each stator coil. Of course, the driver 62 and the motor 32 are also electrically connected to the controller, so that the entire magnetic levitation connection transmission line is coordinated and controlled by a single controller to control the position of each vehicle and the operation of the return line and the main line.

[0030] In this embodiment, the magnetic levitation connection transmission line can be composed of a... Figure 2 The transmission unit shown can also be composed of multiple transmission units connected together. The specific number of transmission units is determined according to actual needs. It is only necessary to add lifting mechanisms at the beginning and end of the transmission line.

[0031] The operation of the magnetic levitation connection transmission line in this embodiment is as follows:

[0032] like Figure 1 As shown, the magnetic levitation conveyor 2 located on the upper layer of the frame 1 is the main line, and the belt conveyor 3 located on the lower layer of the frame 1 is the return line;

[0033] The main line works as follows: Each stator has an encoder 221 mounted on its side, and a position sensor 41 (absolute magnetic scale in this embodiment) is attached to the carrier 4. When the carrier 4 moves on the main line, the encoder 221 can read the data from the position sensor 41 located on it. The driver can obtain the position signal of the current carrier 4 based on the data from the position sensor 41, and apply current of different magnitudes and directions to the coils of the stator where the current carrier 4 is located to control the vehicle. After multiple stators form a relay, the carrier 4 can move and be positioned on the entire main line. The carrier 4 can stop precisely at any position on the main line, thereby realizing flexible workstation settings. With the help of external tooling and functional units (robots, electric cylinders, pneumatic cylinders, robotic arms, etc.), it can achieve assembly, processing and other purposes.

[0034] The working process of the return line is as follows: Figure 1As shown, the leftmost end of the first guide rail 21 is designated as the beginning, and the rightmost end as the end. Similarly, the leftmost end of the second guide rail 35 is designated as the end, and the rightmost end of the first guide rail 21 is designated as the beginning. The lifting mechanism 6 raises and lowers the carrier 4. The mounting plate 61 descends under the drive of the driving component, thereby causing the third guide rail 5, which is connected to the end of the first guide rail 21, to move down and connect with the beginning of the second guide rail 35. The stator coil on the third guide rail 5 is then energized... The carrier 4 is pushed onto the belt 31. The magnetic components on the carrier 4 and the magnetic components embedded in the belt 3 generate an attractive force, which pulls the carrier 4 back until the carrier 4 moves to the end of the second guide rail 35. Similarly, the mounting plate 61 located near the end of the second guide rail 35 can rise and fall under the drive of the drive component, thereby driving the third guide rail 5, which is connected to the end of the second guide rail 35, to move up and connect with the beginning of the first guide rail 21. At this time, the carrier 4 returns to the first guide rail 21.

[0035] When the carrier 4 leaves the return line, the belt and the magnetic component will separate. Since the separation is gradual, very little force is required, and the belt can achieve separation by normal movement.

[0036] In the specification and claims of this utility model, terms indicating direction, such as "front," "rear," "upper," "lower," "left," "right," "side," "top," and "bottom," are used to describe various exemplary structural parts and elements of this utility model. However, the use of these terms is merely for the purpose of explanation and is based on the exemplary orientations shown in the accompanying drawings. Since the embodiments disclosed in this utility model can be arranged in different orientations, these terms indicating direction are for illustrative purposes only and should not be regarded as limitations. For example, "upper" and "lower" are not necessarily limited to directions opposite to or consistent with the direction of gravity.

Claims

1. A magnetic levitation connection transmission line, comprising a frame (1) and a magnetic levitation conveying mechanism (2), a belt conveying mechanism (3), and a carrier (4) disposed on the frame (1), wherein the belt conveying mechanism (3) can connect with the magnetic levitation conveying mechanism (2), the carrier (4) is conveyed and moved by the magnetic levitation conveying mechanism (2), and the carrier (4) can return to the magnetic levitation conveying mechanism (2) via the belt conveying mechanism (3), wherein the belt conveying mechanism (3) comprises a belt (31) arranged along the conveying direction of the magnetic levitation conveying mechanism (2), characterized in that: The belt (31) is provided with a magnetic attractor, and the bottom of the carrier (4) is provided with a magnetic component (40) that can cooperate with the magnetic attractor.

2. The magnetic levitation link transfer line of claim 1, wherein: The magnetic attractor is a metal wire made of magnetic material, which is embedded inside the belt (31) along the extension direction of the belt (31).

3. The magnetic levitation link transfer line of claim 1, wherein: The belt conveyor mechanism (3) also includes a motor (32) and a reducer (33). The reducer (33) is connected to the drive end of the motor (32), and the belt (31) is sleeved on the power output shaft (331) of the reducer (33).

4. The maglev link transfer line of claim 3, wherein: The belt conveyor mechanism (3) further includes two tensioning pulleys (34) disposed opposite to each other above the power output shaft (331) of the reducer (33). The belt (31) is wound around the power output shaft (331) of the reducer (33) and passes through the side of each tensioning pulley (34), thereby pressing the belt (31) tight.

5. The magnetic levitation link transfer line according to any one of claims 1 to 4, characterized in that: The magnetic levitation conveying mechanism (2) includes multiple stators (22) arranged side by side at intervals. Each stator (22) has a coil for driving the vehicle (4) to move after being powered on. The vehicle (4) is equipped with a position sensor (41). Each stator (22) is equipped with an encoder head (221) for reading the position signal of the position sensor (41). Each stator (22) has a corresponding driver connected to its coil. The driver is connected to the encoder head (221) on its corresponding stator (22).

6. The magnetic levitation link transfer line of claim 5, wherein: The frame (1) is provided with two first guide rails (21) that extend along the direction of movement of the carrier (4) and are arranged opposite to each other. All stators (22) are located between the two first guide rails (21), and the carrier (4) is slidably mounted on the first guide rails (21).

7. The magnetic levitation connection transmission line according to claim 6, characterized in that: The frame (1) is also provided with two opposing second guide rails (35), the second guide rails (35) are located below the first guide rail (21), and the second guide rails (35) are arranged along the extension direction of the first guide rail (21). The carrier (4) is slidably arranged on the second guide rails (35), and the belt (31) is arranged between the two second guide rails (35).

8. The maglev link transfer line of claim 7, wherein: The first guide rail (21) has a third guide rail (5) at each end that can be connected to the first guide rail (21). A stator (22) is also provided between the third guide rails (5), and an encoder reading head (221) is also provided on the stator (22). The frame (1) is provided with a lifting mechanism (6) that can connect the belt conveyor mechanism (3) and the magnetic levitation conveyor mechanism (2). The lifting mechanism (6) includes a mounting plate (61) for mounting each third guide rail (5) and a driving component (62) for driving the mounting plate (61) to move up and down. The mounting plate (61) can be lowered under the drive of the driving component (62), thereby driving the third guide rail (5) to move down and connect with the second guide rail (35).

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