Linear motors with no moving cables and quick splicing

Abstract

The invention discloses a linear motor without movable cables and capable of rapid splicing, comprising a base, a stator mechanism, a mover mechanism, a grating ruler and an encoder, wherein the base is linear and is provided with a socket matched with an external power plug; the stator mechanism has a shaping coil mounted on a side of the base and a connector fixed on the shaping coil, the connector is electrically connected to the socket, so that the shaping coil can be connected and disconnected to the external power supply; the mover mechanism has a carrier movably mounted on the base and a magnet yoke assembly fixedly mounted on the carrier, when the shaping coil is connected to the external power supply, the mover mechanism can move along the length direction of the base under the action of the magnetic field generated by the shaping coil and the magnet yoke assembly; the grating ruler is fixedly mounted on the carrier, the encoder can read the data on the grating ruler, and the encoder is also electrically connected to an external controller. The linear motor has a compact structure, stable operation, can be assembled for use, and effectively avoids the complicated movement of cables.

Description

Technical Field

[0001] The invention relates to the technical field of motors, and in particular provides a linear motor which has no movable cables and can be quickly spliced. Background Art

[0002] With the rapid development of modern science and technology, direct-drive linear motors have gradually replaced traditional feed transmission methods with their simplicity, efficiency and precision. However, linear motors also have some disadvantages. The cables connecting them to the external controller will move with the movement of the moving parts, so they often need to be equipped with drag chains for traction and protection, which will waste the space size of the entire machine and make maintenance difficult.

[0003] In view of this, the present invention is proposed. Summary of the invention

[0004] In order to overcome the above defects, the present invention provides a linear motor without moving cables and can be quickly spliced. It has a compact structure, runs smoothly, can be assembled and used, and effectively avoids the complicated movement of cables, making the operation process of the whole machine simple and clear.

[0005] The technical solution adopted by the present invention to solve its technical problems is: a linear motor without movable cables and capable of rapid splicing, comprising a base, a stator mechanism, a mover mechanism, a grating scale and an encoder, wherein the base is linear, and a socket for plugging and cooperating with an external power plug is positioned on the base; the stator mechanism has a shaping coil positioned and mounted on a side of the base and a connector adhesively fixed to the shaping coil, and the connector is also electrically connected to the socket so that the shaping coil can be connected and disconnected to the external power supply; the mover mechanism has a carrier movably mounted on the base and a magnet yoke assembly positioned and mounted on the carrier, and when the shaping coil is connected to the external power supply, the mover mechanism as a whole can move along the length direction of the base under the action of the magnetic field generated by the shaping coil and the magnet yoke assembly; the grating scale is positioned and mounted on the carrier to sense the movement data of the mover mechanism; the encoder can read the data on the grating scale, and at the same time the encoder is also electrically connected to an external controller.

[0006] As a further improvement of the present invention, the carrier is an inverted U-shaped block structure, and the carrier is slidably connected to a side surface of the base;

[0007] The magnet yoke assembly consists of a yoke and a magnet adhered and fixed to the yoke. The yoke and the magnet are built into the carrier together, and the yoke is also positioned and connected to the inner side surface of the carrier.

[0008] As a further improvement of the present invention, a slide rail extending along the length direction of the base is positioned and laid on one side surface of the base;

[0009] A sliding block is also positioned and installed on the inner side surface of the carrier, and the sliding block is slidably connected to the sliding rail.

[0010] As a further improvement of the present invention, the grating ruler is positioned and installed on the inner side surface of the carrier.

[0011] As a further improvement of the present invention, a terminal block capable of stopping the mover mechanism is detachably positioned and connected on one side in the length direction of the base.

[0012] As a further improvement of the present invention, the terminal block has a fixed block, a stop block and a connecting block, the stop block is fixedly connected to one side of the fixed block, the connecting block is in the shape of a long strip, and one end of the connecting block in the length direction is fixedly connected to the stop block, and the other end of the connecting block in the length direction is detachably positioned and connected to one side of the length direction of the base, so that the fixed block and the stop block are stopped together outside one side of the length direction of the base.

[0013] The beneficial effects of the present invention are: the linear motor has a compact structure and runs smoothly, and multiple linear motors can be assembled together for use according to the requirements of changes in stroke, process, etc. in the actual production process, and the assembly operation is simple and labor-saving. In addition, the linear motor also effectively avoids the complicated movement of the cable, making the operation process of the whole machine concise and clear. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a structural schematic diagram of the linear motor without movable cables and capable of rapid splicing according to the present invention;

[0015] Figure 2 It is a structural schematic diagram of the stator mechanism of the present invention;

[0016] Figure 3 It is a structural schematic diagram of the mover mechanism of the present invention;

[0017] Figure 4 It is a structural schematic diagram of the terminal block of the present invention;

[0018] Figure 5 It is a schematic diagram of the assembly structure when two linear motors according to the present invention are assembled together.

[0019] Combined with the accompanying drawings, the following description is given:

[0020] 1——Base 2——Stator mechanism

[0021] 20——Forming coil 21——Connector

[0022] 3——Moving mechanism 30——Carrying seat

[0023] 31 - magnet yoke assembly 32 - slider

[0024] 4——grating ruler 5——encoder

[0025] 6——Socket 7——Slide rail

[0026] 8——Terminal block 80——Fixed block

[0027] 81——Block 82——Connection block DETAILED DESCRIPTION

[0028] The preferred embodiments of the present invention are described in detail below with reference to the drawings.

[0029] Embodiment 1:

[0030] Please see attached Figure 1 , Attachment Figure 2 and attached Figure 3 As shown, they are respectively a schematic diagram of the structure of the linear motor without movable cables and capable of rapid splicing, a schematic diagram of the structure of the stator mechanism, and a schematic diagram of the structure of the mover mechanism of the present invention. The linear motor without movable cables and capable of rapid splicing comprises a base 1, a stator mechanism 2, a mover mechanism 3, a grating scale 4, and an encoder 5, wherein the base 1 is linear, and a socket 6 for plugging and cooperating with an external power plug is positioned on the base 1; the stator mechanism 2 has a shaping coil 20 positioned and mounted on a side surface of the base 1 and a connector 21 adhesively fixed to the shaping coil 20, and the connector 21 is also electrically connected to the socket 6 so that the shaping coil 20 can be connected and disconnected to an external power source; the mover mechanism 3 has a carrier movably mounted on the base 1 30 and a magnet yoke assembly 31 positioned and installed on the carrier 30. When the shaping coil 20 is connected to an external power supply, the movable mechanism 3 as a whole can move along the length direction of the base 1 under the action of the magnetic field generated by the shaping coil 20 and the magnet yoke assembly 31; the grating scale 4 is positioned and installed on the carrier 30 to sense the movement data of the movable mechanism 3; the encoder 5 can read the data on the grating scale 4, and at the same time the encoder 5 is also electrically connected to an external controller, and the external controller adjusts the speed, current, output and other data of the motor accordingly according to the received grating scale data.

[0031] In this embodiment, preferably, the carrier 30 is an inverted U-shaped block structure, and the carrier 30 is slidably connected to one side surface of the base 1; the magnet yoke assembly 31 is composed of a yoke and a magnet adhered and fixed to the yoke, and the yoke and the magnet are built into the carrier 30 together, and at the same time, the yoke is also positioned and connected to the inner side surface of the carrier 30; for details, please see the attached Figure 3 shown.

[0032] Further preferably, the structure for realizing the sliding connection of the carrier 30 to one side surface of the base 1 is as follows: a slide rail 7 extending along the length direction of the base 1 is positioned and laid on one side surface of the base 1; and a slider 32 is positioned and installed on the inner side surface of the carrier 30, and the slider 32 is slidably connected to the slide rail 7.

[0033] In this embodiment, preferably, the grating ruler 4 is positioned and installed on the inner side surface of the carrier 30 .

[0034] In this embodiment, preferably, a terminal block 8 capable of stopping the mover mechanism 3 is detachably positioned and connected on one side of the base 1 in the length direction, as shown in the attached Figure 4 As shown, the terminal block 8 has a fixed block 80, a stop block 81 and a connecting block 82, the stop block 81 is fixedly connected to one side of the fixed block 80, the connecting block 82 is in the shape of a long strip, and one end of the connecting block 82 in the length direction is fixedly connected to the stop block 81, and the other end of the connecting block 82 in the length direction is detachably positioned and connected to one side of the length direction of the base 1, so that the fixed block 80 and the stop block 81 are together stopped outside one side of the length direction of the base 1.

[0035] In summary, the linear motor of the present invention has a compact structure and stable operation, and multiple linear motors can be assembled together for use according to the requirements of changes in stroke, process, etc. in the actual production process, and the assembly operation is simple and labor-saving. In addition, the linear motor also effectively avoids the complicated movement of the cable, making the operation process of the whole machine concise and clear.

[0036] Regarding the above “multiple linear motors can be assembled together for use according to the requirements of changes in the stroke, process, etc. during the actual production process”, the operation method for assembling N linear motors together is: first remove the terminal blocks 8 of N-1 linear motors, and then connect the bases 1 of the N linear motors end to end in sequence to complete the assembly (see the attached figure). Figure 5 This assembly method is simple and labor-saving, and does not require factory assembly.

[0037] The above description is only a preferred embodiment of the present invention, but is not intended to limit the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principles of the present invention. These improvements and modifications should also be regarded as within the scope of protection of the present invention.

Claims

1. A linear motor without moving cables and capable of rapid splicing, characterized in that: The invention comprises a base (1), a stator mechanism (2), a mover mechanism (3), a grating ruler (4) and an encoder (5), wherein the base (1) is linear, and the base (1) is also provided with a socket (6) for plugging and matching with an external power plug; the stator mechanism (2) comprises a shaped coil (20) positioned and mounted on a side surface of the base (1) and a connector (21) glued and fixed on the shaped coil (20), and the connector (21) is also connected to the socket (6) is electrically connected so that the shaping coil (20) can be connected and disconnected to an external power source; the movable mechanism (3) has a carrier (30) movably mounted on the base (1) and a magnet yoke assembly (31) fixedly mounted on the carrier (30); when the shaping coil (20) is connected to an external power source, the movable mechanism (3) as a whole can move along the base (1) under the action of the magnetic field generated by the shaping coil (20) and the magnet yoke assembly (31). The grating ruler (4) is positioned and mounted on the carrier (30) to sense the movement data of the moving mechanism (3); the encoder (5) is capable of reading the data on the grating ruler (4), and at the same time the encoder (5) is also electrically connected to an external controller; a terminal block (8) capable of stopping the moving mechanism (3) is also detachably positioned and connected on one side of the length direction of the base (1); the terminal block (8) comprises a fixed block (80), a stop block (81) and a connecting block (82); the stop block (81) is fixedly connected to one side of the fixed block (80); the connecting block (82) is in the shape of a long strip; one end of the connecting block (82) in the length direction is fixedly connected to the stop block (81); the other end of the connecting block (82) in the length direction is detachably positioned and connected on one side of the length direction of the base (1), so that the fixed block (80) and the stop block (81) are together stopped outside one side of the length direction of the base (1).

2. The linear motor without moving cables and capable of rapid splicing according to claim 1 is characterized in that: The carrier (30) is an inverted U-shaped block structure, and the carrier (30) is slidably connected to a side surface of the base (1); The magnet yoke assembly (31) consists of a yoke and a magnet adhered and fixed to the yoke. The yoke and the magnet are built into the carrier (30) together, and the yoke is also positioned and connected to the inner side surface of the carrier (30).

3. The linear motor without moving cables and capable of rapid splicing according to claim 2 is characterized in that: A slide rail (7) extending along the length direction of the base (1) is positioned and laid on one side surface of the base (1); A sliding block (32) is also positioned and installed on the inner side surface of the carrier (30), and the sliding block (32) is slidably connected to the sliding rail (7).

4. The linear motor without moving cables and capable of rapid splicing according to claim 2 is characterized in that: The grating ruler (4) is positioned and mounted on the inner side surface of the carrier (30).

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