CN214707481U

CN214707481U - Linear motion device

Info

Publication number: CN214707481U
Application number: CN202121055636.8U
Authority: CN
Inventors: 王健; 蔡小根; 沈有金; 周涛; 黄永贵
Original assignee: Dongguan Xunjia Electronic Technology Co ltd
Current assignee: Dongguan Xunjia Electronic Technology Co ltd
Priority date: 2021-05-17
Filing date: 2021-05-17
Publication date: 2021-11-12
Anticipated expiration: 2031-05-17

Abstract

The utility model relates to the technical field of automatic drive and control, in particular to a linear motion device, which comprises a stator, a rotor and a guide piece, wherein the rotor is arranged on the guide piece in a sliding way, the stator is provided with a magnetic piece, and the rotor is provided with a conductive piece; when the conductive piece is electrified, the magnetic field generated by the magnetic piece acts on the conductive piece to enable the conductive piece to move along the guide piece. The utility model discloses an act in the magnetic field after electrically conductive circular telegram, realize the drive to the active cell, simple structure, easily maintenance.

Description

Linear motion device

Technical Field

The utility model belongs to the technical field of automatic drive accuse technique and specifically relates to indicate a linear motion device.

Background

At present, a Z-axis linear system used for the Z-axis movement of a drill bit of a PCB drilling/milling machine has the following disadvantages: the structure is complex, which causes great installation difficulty and difficult maintenance.

Disclosure of Invention

The utility model discloses problem to prior art provides a linear motion device, can realize the drive through simple realization.

In order to solve the technical problem, the utility model discloses a following technical scheme:

the utility model provides a linear motion device, which comprises a stator, a rotor and a guide part, wherein the rotor is arranged on the guide part in a sliding manner, the stator is provided with a magnetic part, and the rotor is provided with a conductive part; when the conductive piece is electrified, the magnetic field generated by the magnetic piece acts on the conductive piece to enable the conductive piece to move along the guide piece.

Furthermore, the stator is provided with a mounting hole, the magnetic part is arranged on the stator, and the guide part is arranged at the top of the stator; the rotor is of a hollow structure, and the bottom of the rotor is located in the stator.

Furthermore, the guide piece comprises two guide rails which are arranged in parallel on the stator, the rotor is provided with two groups of sliding block sets, and the sliding block sets are in one-to-one corresponding sliding connection with the guide rails.

Further, the conductive member includes a coil, and the coil is wound around the mover.

Furthermore, the top and the bottom of stator are provided with first heat dissipation way respectively, and first heat dissipation way is used for external coolant liquid source.

Furthermore, the rotor comprises a top piece and two side pieces, the two side pieces are respectively arranged on two sides of the bottom of the top piece, and the conductive piece is arranged between the two side pieces.

Furthermore, the two side pieces are respectively provided with a second heat dissipation channel which is used for being communicated with an external cooling liquid source.

Preferably, the mover further comprises a connecting member, and the connecting member is arranged between the two side members; the connecting piece is provided with a third heat dissipation channel which is communicated with the second heat dissipation channel.

Furthermore, the magnetic part comprises two rows of magnets, the two rows of magnets are respectively arranged on the inner top wall and the inner bottom wall of the stator, and the conductive part is positioned between the two rows of magnets.

The utility model has the advantages that: the utility model discloses an act in the magnetic field after electrically conductive circular telegram, realize the drive to the active cell, simple structure, easily maintenance.

Drawings

Fig. 1 is a schematic view of the present invention.

Fig. 2 is an exploded view of the present invention.

Fig. 3 is a cross-sectional view of the connector of the present invention.

Reference numerals: 1-stator, 2-mover, 3-guide, 4-magnetic, 5-conductive, 11-mounting hole, 12-first heat dissipation channel, 21-sliding block set, 23-top, 24-side, 25-connecting, 26-second heat dissipation channel, 27-third heat dissipation channel, 31-guide, 41-magnet.

Detailed Description

In order to facilitate understanding of those skilled in the art, the present invention will be further described with reference to the following examples and drawings, which are not intended to limit the present invention. The present invention will be described in detail with reference to the accompanying drawings.

As shown in fig. 1 to 3, the present invention provides a linear motion device, which includes a stator 1, a mover 2 and a guide 3, wherein the mover 2 is slidably disposed on the guide 3, the stator 1 is provided with a magnetic component 4, and the mover 2 is provided with a conductive component 5; when the conductive member 5 is energized, the magnetic field generated by the magnetic member 4 acts on the conductive member 5 to move the conductive member 5 along the guide member 3.

That is, when the conductive member 5 is energized, since the magnetic member 4 always generates a magnetic field, it can be known from the lorentz law that the conductive member 5 is acted by a force to move, thereby driving the mover 2 to move relative to the stator 1, achieving the effect of linear motion, and at this time, only the corresponding component needs to be installed on the mover 2, and realizing linear driving of the component.

According to the left-hand rule, the moving direction of the rotor 2 can be changed only by changing the current direction of the conductive piece 5, so that the effect of back-and-forth linear driving is achieved.

In this embodiment, the stator 1 is provided with a mounting hole 11, the magnetic member 4 is mounted on the stator 1, and the guiding member 3 is disposed on the top of the stator 1; the rotor 2 is of a hollow structure, and the bottom of the rotor 2 is located in the stator 1. Namely, the stator 1 and the rotor 2 are installed in a sleeved mode, and the guide piece 3 is arranged between the stator 1 and the rotor 2, so that the stator 1 and the rotor 2 are ensured not to be separated.

In this embodiment, the guide 3 includes two guide rails 31 disposed in parallel on the stator 1, the mover 2 is provided with two sets of slider groups 21, and the slider groups 21 are slidably connected to the guide rails 31 in a one-to-one correspondence manner. The runner 2 is ensured to slide along a straight line by the sliding mode of the sliding block group 21 on the guide rail 31, so that the straight line driving is more stable; the slider group 21 includes at least two sliders, so that the sliding is more stable.

In this embodiment, the conductive member 5 includes a coil, and the coil is wound around the mover 2. That is, the utility model discloses a mode of coil circular telegram realizes producing the electric current, and the coil is because the number of turns is many, and consequently the equidirectional electric current that it produced is great for the lorentz force that active cell 2 received is great, has guaranteed the drive effect.

In the present embodiment, the top and the bottom of the stator 1 are respectively provided with a first heat dissipation channel 12, and the first heat dissipation channel 12 is used for externally connecting a cooling liquid source. In the figure, the first heat dissipation channel 12 is externally connected with a coolant source (usually a water pump) through a joint, and is used for absorbing and taking away heat generated by current and heat generated by the moving of the mover 2, so that the temperature is not too high.

In the present embodiment, the mover 2 includes a top member 23 and two side members 24, the two side members 24 are respectively disposed at two sides of the bottom of the top member 23, and the conductive member 5 is disposed between the two side members 25. Namely, the rotor 2 is of a groove-shaped structure, the structure is simple, the collision with the stator 1 is reduced, the conductive piece 5 is positioned between the two side pieces 25 and also positioned in the stator 1, and the driving effect is ensured.

Specifically, the two side members 24 are respectively provided with a second heat dissipation channel 26, and the second heat dissipation channels 26 are used for communicating with an external cooling liquid source. The second heat dissipation channel 26 is connected to an external cooling liquid source through a joint, and is used for increasing heat dissipation of the mover 2, so as to ensure that the temperature of the mover 2 is not too high.

Preferably, the mover 2 further includes a connecting member 25, and the connecting member 25 is disposed between the two side members 24; the connector 25 is provided with a third heat dissipation channel 27, and the third heat dissipation channel 27 is communicated with the second heat dissipation channel 26. The third heat dissipation channel 27 can connect the two second heat dissipation channels 26 together to form a closed loop with an external cooling liquid source, so that the cooling effect is more uniform.

In this embodiment, the magnetic member 4 includes two rows of magnets 41, the two rows of magnets 41 are respectively disposed on the inner top wall and the inner bottom wall of the stator 1, and the conductive member 5 is located between the two rows of magnets 41. The opposite polarities of the two rows of magnets 41 are used to ensure the driving stability for the conductive member 5.

The above description is only for the preferred embodiment of the present invention, and the present invention is not limited to the above description, and although the present invention is disclosed in the preferred embodiment, it is not limited to the above description, and any person skilled in the art can make some changes or modifications to equivalent embodiments without departing from the scope of the present invention, but all the technical solutions of the present invention are within the scope of the present invention.

Claims

1. The utility model provides a linear motion device, includes stator, active cell and guide, the active cell slide set up in the guide, its characterized in that: the stator is provided with a magnetic part, and the rotor is provided with a conductive part; when the conductive piece is electrified, the magnetic field generated by the magnetic piece acts on the conductive piece to enable the conductive piece to move along the guide piece.

2. The linear motion device of claim 1, wherein: the stator is provided with a mounting hole, the magnetic part is arranged on the stator, and the guide part is arranged at the top of the stator; the rotor is of a hollow structure, and the bottom of the rotor is located in the stator.

3. The linear motion device of claim 1, wherein: the guide piece comprises two guide rails which are arranged in parallel on the stator, the rotor is provided with two groups of sliding block groups, and the sliding block groups are in one-to-one corresponding sliding connection with the guide rails.

4. The linear motion device of claim 1, wherein: the conductive piece comprises a coil, and the coil is wound on the rotor.

5. The linear motion device of claim 1, wherein: the top and the bottom of stator are provided with first heat dissipation way respectively, and first heat dissipation way is used for external coolant liquid source.

6. The linear motion device of claim 1, wherein: the rotor comprises a top piece and two side pieces, the two side pieces are respectively arranged on two sides of the bottom of the top piece, and the conductive piece is arranged between the two side pieces.

7. The linear motion device of claim 6, wherein: the two side pieces are respectively provided with a second heat dissipation channel which is used for being communicated with an external cooling liquid source.

8. The linear motion device of claim 7, wherein: the rotor further comprises a connecting piece, and the connecting piece is arranged between the two side pieces; the connecting piece is provided with a third heat dissipation channel which is communicated with the second heat dissipation channel.

9. The linear motion device of claim 1, wherein: the magnetic part comprises two rows of magnets, the two rows of magnets are respectively arranged on the inner top wall and the inner bottom wall of the stator, and the conductive part is positioned between the two rows of magnets.