Structure for enhancing motion stability of rotor

Abstract

The utility model discloses a structure for enhancing the motion stability of a mover, which comprises a plurality of guide rail assemblies, each guide rail assembly comprises a guide rail seat, a motor seat and an encoder seat, the guide rail seat is provided with a movable guide rail, the movable guide rail is movably connected with the mover, the guide rail seat is provided with a plurality of motor seats, and the motor seats are connected with the encoder seat. The motor base is laid above the guide rail base, a motor with an iron core and an encoder base are arranged on the motor base, a copper bar cavity is formed in the bottom of the guide rail base, a plurality of connecting copper bars used for supplying power are arranged in the copper bar cavity, and a permanent magnet is arranged on the side, facing the guide rail base, of the rotor. According to the utility model, after the double rails are used, the rotor can directly use one plane to achieve a simple structure for loading and installing the permanent magnet, only one gap is formed between the permanent magnet and the motor, the size of the gap is convenient to adjust, foreign matters can fall into the motor cavity in the middle, the rotor is not easy to block, and the service life of the rotor is prolonged. And the motor and the permanent magnet are damaged.

Description

TECHNICAL FIELD

[0001] The utility model relates to a flow line technical field, especially a structure of enhancing the motion stability of dynamic sub. BACKGROUND

[0002] The existing magnetic suspension flow line comprises a control system, a linear / circular arc transport line and a dynamic sub, the dynamic sub is provided with a magnetic strip and a permanent magnet, the control system converts the magnetic force signal of the dynamic sub into the position signal of the dynamic sub through induction, drives the motor coil with the signal, and realizes the start-stop and acceleration-deceleration of the dynamic sub.

[0003] The existing magnetic suspension flow line comprises a control system, a linear / circular arc transport line and a dynamic sub, the dynamic sub is provided with a magnetic strip and a permanent magnet, the control system converts the magnetic force signal of the dynamic sub into the position signal of the dynamic sub through induction, drives the motor coil with the signal, and realizes the start-stop and acceleration-deceleration of the dynamic sub.

[0004] The existing magnetic suspension flow line has the following defects:

[0005] 1. The dynamic sub is clamped on a track by four wheels, and the width of the track limits the distance between the wheels, resulting in a small dynamic sub chassis and an inability to carry heavy objects.

[0006] 2. The dynamic sub permanent magnet is arranged in a strip shape in parallel, and the linear segment motor coil is also arranged in the same layout, which can effectively provide power, but the circular arc segment motor coil is limited by the structure and arranged in a fan shape, so that the magnetic force acting area of the motor drive is small, the power is reduced too much, and the dynamic sub will be stuck and stopped at the circular arc segment.

[0007] 3. The dynamic sub permanent magnet part is covered with a motor, which can only be made into a "U" shape, making the dynamic sub structure complex and high in cost.

[0008] 4. The motor is in a continuous flat shape, and the gap between the motors is too small.

[0009] Therefore, it is necessary to improve the magnetic suspension flow line to solve the above problems. UTILITY MODEL CONTENTS

[0010] The utility model aims at providing a structure of enhancing the motion stability of dynamic sub to overcome the defects in the prior art.

[0011] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0012] The application discloses a structure for enhancing the stability of a moving element, comprising a plurality of guide rail assemblies, wherein each of the guide rail assemblies comprises a guide rail base, a motor base and an encoder base, a moving guide rail is arranged on the guide rail base, a moving element is movably connected to the moving guide rail, a plurality of motor bases are arranged on the guide rail base, the motor bases are arranged above the guide rail base, a motor with an iron core and an encoder base are arranged on the motor base, a copper strip cavity is formed in the bottom of the guide rail base, a plurality of connecting copper strips for power supply are arranged in the copper strip cavity, and a permanent magnet is arranged on the side of the moving element facing the guide rail base.

[0013] Preferably, the number of the moving guide rails is two or more, and one moving guide rail is connected to each end of the moving element.

[0014] Preferably, a motor cavity is formed in the end of the guide rail base facing the moving element, and the motor base and the motor with an iron core are arranged in the motor cavity.

[0015] Preferably, the guide rail assembly comprises a linear segment guide rail group and a circular segment guide rail group, the guide rail base, the motor base and the encoder base are arranged in the linear segment guide rail group and the circular segment guide rail group, and the two ends of the linear segment guide rail group and the circular segment guide rail group are fixedly connected with adjacent linear segment guide rail groups and circular segment guide rail groups.

[0016] Preferably, the guide rail base in the linear segment guide rail group comprises a linear segment guide rail base, the guide rail base in the circular segment guide rail group comprises a circular segment guide rail base, a circular moving guide rail and a motor base are arranged on the circular segment guide rail base, and the moving element is connected with the circular moving guide rail.

[0017] Preferably, the adjacent guide rail assemblies are connected through a connecting plate, a connecting hole is formed in the guide rail assembly, a matching hole is formed in the connecting plate, and a pin is arranged in the connecting hole and the matching hole.

[0018] Preferably, a fan air inlet is formed in the guide rail base, and a fan is arranged in the fan air inlet.

[0019] The application has the following beneficial effects:

[0020] (1) In the application, the use of double rails makes the moving element directly loaded and installed with a simple structure of a plane, and only one gap is formed between the permanent magnet and the motor, so that the size of the gap is convenient to adjust, and foreign matters can fall into the motor cavity, so that the moving element is not easy to be stuck, and the motor and the permanent magnet are not easy to be damaged.

[0021] (2) The larger motor cavity between the rails can load a larger motor with an iron core, so that larger power is provided, and the problem of the moving element being stuck and stopped in the circular segment can be effectively solved.

[0022] (3), the wheel spacing of the mover connected with the moving guide rail is increased, the mover and the gravity center of the article fall into the chassis, the bearing area of the mover can reach 300x300 (mm), the bearing mass can reach 30 kg, and the problem of small volume and weight of the bearing object is solved.

[0023] The features and advantages of the present application will be described in detail with reference to the embodiments and the accompanying drawings. BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1 is a three-dimensional structural schematic diagram of an embodiment of a structure for enhancing the motion stability of a mover of the present application;

[0025] Figure 2 is a three-dimensional structural schematic diagram of a linear segment guide rail group of an embodiment of the present application;

[0026] Figure 3 is a three-dimensional structural schematic diagram of an arc segment guide rail group of an embodiment of the present application;

[0027] Figure 4 is a three-dimensional structural schematic diagram of the linear segment guide rail group of an embodiment of the present application from another perspective;

[0028] Figure 5 is a three-dimensional structural schematic diagram of the arc segment guide rail group of an embodiment of the present application from another perspective;

[0029] Figure 6 is a three-dimensional structural schematic diagram of a mover of an embodiment of the present application;

[0030] Figure 7 is a planar structural schematic diagram of a mover of an embodiment of the present application;

[0031] Figure 8 is a three-dimensional structural schematic diagram of a mover of an embodiment of the present application from another perspective;

[0032] In the figure: 1, guide rail assembly; 101, linear segment guide rail group; 1011, linear segment guide rail seat; 102, arc segment guide rail group; 1021, arc segment guide rail seat; 103, connecting plate; 110, moving guide rail; 2, mover; 3, motor with iron core; 301, motor seat; 4, encoder seat; 401, arc segment encoder seat; 5, connecting copper strip; 501, copper strip fixing plate; 502, copper strip cavity; 6, motor cavity; 7, permanent magnet. DETAILED DESCRIPTION

[0033] In order to make the purpose, technical scheme and advantages of the utility model more clear and obvious, the utility model will be further described in detail through the drawings and examples below.

[0034] Referring to Figures 1-5 The utility model discloses a kind of structures for enhancing the stability of moving child, including several guide rail assemblies 1, the guide rail assembly 1 includes guide rail seat, motor seat 301 and encoder seat 4, linear section guide rail group 101 and circular arc section guide rail group 102 include motor seat 301, encoder seat 4 and guide rail seat.Copper bar cavity 502 exists in guide rail seat, fan air port and two rail motor cavities 6;Encoder circuit port and motor circuit port are present on the both sides of guide rail seat;Guide rail group both ends have pin hole, realize the connection and positioning of linear guide rail group and linear guide rail group, linear guide rail group and circular arc section guide rail group 102, circular arc section guide rail group 102 and circular arc section guide rail group 102.

[0035] Multiple guide rail assemblies 1 are spliced to form a transport line, including linear section guide rail group 101 and circular arc section guide rail group 102.Each guide rail assembly 1 contains guide rail seat, motor seat 301 and encoder seat 4;Several connecting copper bars 5 are built-in copper bar cavity 502 at the bottom of guide rail seat for power supply;Guide rail seat provides stable support for the entire transport line, and the connecting copper bars 5 in the copper bar cavity 502 stably power the motor and other equipment.Copper bar fixing plate 501 is provided in copper bar cavity 502, and the connecting copper bars 5 are fixed by the copper bar fixing plate 501.

[0036] Two or more moving guide rails 110 are provided on the guide rail seat, the guide rail seat of linear section guide rail group 101 is linear, and the guide rail seat of circular arc section guide rail group 102 is circular arc, and circular arc moving guide rails 110 are provided correspondingly;Multiple moving guide rails 110 can effectively support moving child 2, enhance the stability of moving child 2, and can carry heavier objects compared with traditional single-track design.

[0037] The circular arc section encoder seat 401 provided in the circular arc section guide rail group 102 is located outside the moving guide rail 110.

[0038] A motor cavity 6 (middle cavity) is also provided on the guide rail seat for installing motor seat 301 and core motor 3, and a fan air port is provided, and a fan is built-in.

[0039] Adjacent guide rail assemblies 1 are connected by connecting plate 103, and the guide rail assembly 1 is provided with connecting hole (pin hole), and the connecting plate 103 is provided with matching hole, and the two are fixed by pin;The guide rail assembly 1 connected by connecting plate 103 and pin makes the whole transport line connection stable and has certain flexibility.

[0040] Referring to Figures 6-8 The mover 2 is movably connected to the linear segment or the circular arc segment of the moving guide rail 110 on both sides of the bottom of the mover 2, and the side of the mover 2 facing the guide rail seat is provided with a permanent magnet 7 for magnetic power interaction with the motor with a core 3.

[0041] A control system is further provided, which includes the following contents: a signal acquisition module senses the magnetic force signal of the mover 2 in real time and converts the magnetic force signal into a position signal of the mover 2 and transmits the position signal to a central processor, the central processor drives the coil of the motor with a core 3 through a driving control module according to the received position signal, accurately realizes the start-stop, acceleration-deceleration and other actions of the mover 2, and ensures that the mover 2 stably operates according to the preset path.

[0042] The permanent magnet 7 on the mover 2 interacts with the motor with a core 3 on the motor seat 301 to generate driving force, thereby realizing the movement of the mover 2 along the moving guide rail 110.

[0043] Working process:

[0044] During the linear segment transportation process, the motor with a core 3 of the linear segment guide rail group 101 interacts with the permanent magnet 7 of the mover 2 to generate stable driving force, and since the power provided by the motor with a core 3 is increased, the mover 2 is stably and quickly moved along the guide rail seat under the support of multiple moving guide rails 110 and will not be powered off in the middle to cause lag. In this process, the fan on the guide rail seat cools the motor to ensure that the motor with a core 3 works in a stable temperature range.

[0045] When the mover 2 runs to the joint of the linear segment and the circular arc segment, the smooth and smooth connection of the circular arc segment and the linear segment ensures the stability and continuity of the movement.

[0046] During the circular arc segment transportation process, the circular arc guide rail seat and the moving guide rail 110 guide the mover 2 to move along the predetermined circular arc track, and through the stable output power of the motor with a core 3, the mover 2 can still obtain sufficient and stable driving force on the circular arc moving guide rail 110, avoiding lag and stopping.

[0047] The above only describes the preferred embodiments of the utility model and is not used to limit the utility model, and any modification, equivalent replacement or improvement made within the spirit and principle of the utility model should be included in the protection range of the utility model.

Claims

1. A structure for enhancing stability of motion of a mobile object, characterized by: The application relates to a guide rail assembly (1) which comprises a guide rail base, a motor base (301) and an encoder base (4), the guide rail base is provided with a moving guide rail (110), a mover (2) is movably connected to the moving guide rail (110), the guide rail base is provided with a plurality of motor bases (301), the motor bases (301) are arranged above the guide rail base, the motor bases (301) are provided with a core motor (3) and an encoder base (4), a copper strip cavity (502) is formed in the bottom of the guide rail base, a plurality of connecting copper strips (5) for power supply are arranged in the copper strip cavity (502), and a permanent magnet (7) is arranged on the side of the mover (2) facing the guide rail base.

2. A structure for enhancing stability of motion of a mobile object according to claim 1, wherein: The number of the moving guide rails (110) is more than two, and one moving guide rail (110) is connected to each end of the mover (2).

3. The structure of claim 1, wherein: A motor cavity (6) is formed in the end of the guide rail base facing the mover (2), and the motor cavity (6) is provided with the motor base (301) and the core motor (3).

4. The structure of claim 1, wherein: The guide rail assembly (1) comprises a straight section guide rail group (101) and a circular arc section guide rail group (102), the guide rail base, the motor base (301) and the encoder base (4) are arranged in the straight section guide rail group (101) and the circular arc section guide rail group (102), and the two ends of the straight section guide rail group (101) and the circular arc section guide rail group (102) are fixedly connected with adjacent straight section guide rail groups (101) and circular arc section guide rail groups (102).

5. A structure for enhancing stability of motion of a mobile element as defined in claim 4, wherein: The guide rail base in the straight section guide rail group (101) comprises a straight section guide rail base (1011), the guide rail base in the circular arc section guide rail group (102) comprises a circular arc section guide rail base (1021), the circular arc section guide rail base (1021) is provided with a circular arc-shaped moving guide rail (110) and a motor base (301), and the mover (2) is connected with the circular arc-shaped moving guide rail (110).

6. A structure for enhancing stability of motion of a mobile element as defined in claim 1, wherein: Adjacent guide rail assemblies (1) are connected through connecting plates (103), connecting holes are formed in the guide rail assemblies (1), matching holes are formed in the connecting plates (103), and pins are arranged in the connecting holes and the matching holes.

7. The structure of claim 1, wherein: Fan air inlets are formed in the guide rail bases, and fans are arranged in the fan air inlets.

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