CN217935413U

CN217935413U - Z-axis module of outer cover full-sealed linear motor

Info

Publication number: CN217935413U
Application number: CN202221624936.8U
Authority: CN
Inventors: 李鑫勇
Original assignee: Moloch Suzhou Technology Manufacturing Co ltd
Current assignee: Moloch Suzhou Technology Manufacturing Co ltd
Priority date: 2022-06-27
Filing date: 2022-06-27
Publication date: 2022-11-29
Anticipated expiration: 2032-06-27

Abstract

The utility model discloses a Z-axis module of a totally-sealed linear motor with an outer cover, which comprises a base, wherein one end of the base is provided with a load plate, the left side and the right side of the inner side of the base are both provided with sliders, and the two sliders are both connected with a slide rail in a sliding manner, and one end of the slide rail is fixedly connected with the load plate; the motor coil with the convex section is arranged in the center of the bottom of the inner side of the base, the sliding seat with the concave section is arranged on the motor coil, a plurality of motor magnets which are distributed in an array mode and matched with the motor coil are arranged on the two sides of the inner side of the sliding seat, and one end of the sliding seat is in rigid fixed connection with the load board. The utility model discloses a move magnetic structure design, motor coil keeps motionless after the circular telegram, and motor magnet can receive the magnetic field effect for motor coil moves, compact structure, and the displacement precision is higher, and the cable is located the fixed part, has saved the tow chain, has avoided the cable wearing and tearing to the holistic cost of module has been reduced.

Description

Z-axis module of outer cover full-sealed linear motor

Technical Field

The utility model relates to a linear electric motor technical field, especially a dustcoat totally enclosed linear electric motor Z axle module.

Background

With the rapid development of the linear motor technology, the linear motor is more and more widely applied to the high-end equipment manufacturing industry. Aiming at different requirements of linear motor platforms under different working conditions, the existing Z-axis is mostly sealed completely by adopting an upper mechanism or an organ cover, the structure is complex, the required space is more, the realization cost is higher, and the existing Z-axis structure generally adopts a mode of driving a screw rod by a servo motor or a mode of driving a belt by the servo motor as a driving device; the equipment adopting the servo motor to drive the screw rod or the servo motor to drive the belt is not high in operation precision, and the air cylinder is adopted as the driving device in the other structure, so that the structure is low in precision, the stroke is not adjustable, and the limitation is large.

Therefore, a Z-axis module of the linear motor with a fully-sealed outer cover is provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem, a dustcoat full-sealed linear electric motor Z axle module has been designed.

The technical scheme of the utility model is that the Z-axis module of the outer cover full-sealed linear motor comprises a base, wherein one end of the base is provided with a load plate, the left side and the right side of the inner side of the base are both provided with sliders, and the two sliders are both connected with a slide rail in a sliding manner, and one end of the slide rail is fixedly connected with the load plate;

a motor coil with a convex section is arranged in the center of the bottom of the inner side of the base, a sliding seat with a concave section is arranged on the motor coil, a plurality of motor magnets which are distributed in an array and matched with the motor coil are arranged on two sides of the inner side of the sliding seat, and one end of the sliding seat is rigidly and fixedly connected with the load plate;

the loading plate is provided with an upper outer cover, the periphery of the base is provided with a lower outer cover, the upper outer cover and the lower outer cover are installed in a staggered mode, the peripheral gap is smaller than 0.5mm, and the upper outer cover completely covers the lower outer cover during movement.

As a further supplement, the left upper portion of base is provided with the fixed block, be provided with the encoder reading head on the fixed block, the side of slide and the corresponding position of encoder reading head are provided with encoder bars chi subassembly.

As a further supplement, the upper portion on base right side is provided with the keysets, the side of keysets with the slider fixed connection of base relevant position.

As a further supplement, be provided with cylinder support on the terminal surface of keysets, the last support cylinder that installs of cylinder support, it removes the mount pad to be provided with the cylinder on the load board, support cylinder's transfer line pass through the cylinder remove the mount pad with load board fixed connection.

As the utility model discloses a further supplement, the one end that the load board was kept away from to the right flank of slide is provided with the stopper, the terminal surface of keysets and cylinder support's side all is provided with crashproof dominant force and glues, crashproof dominant force is glued for cylindric, and the position that two crashproof dominant forces were glued is corresponding with stopper and load board respectively.

As a further supplement, the groove for fixing the motor coil is provided in the middle of the inner side of the base, and the slide seat and the load plate are matched with the guide rail to slide along the slider.

The beneficial effects are that:

1. the utility model adopts the staggered installation of the upper and lower outer covers for sealing protection, the protection structure is simpler, more compact and more reliable, the required cost is lower, the disassembly and the maintenance are convenient, and the protection performance of the whole module can be ensured only by fastening the upper and lower outer covers after the maintenance is finished;

2. the utility model discloses a move magnetic structure design, motor coil keeps motionless after the circular telegram, and motor magnet can receive the magnetic field effect for motor coil motion, compact structure, and the displacement precision is higher, and the cable is located the fixed part, has saved the tow chain, has avoided the cable wearing and tearing to the holistic cost of module has been reduced.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the present invention with the upper and lower housings removed;

FIG. 3 is a schematic view of the structure of FIG. 2 from another perspective;

fig. 4 is a schematic structural diagram of the motor coil and the sliding seat of the present invention;

fig. 5 is a schematic structural diagram of the base of the present invention.

In the figure, 1, a base; 101. a groove; 2. an upper housing; 3. a lower housing; 4. a load board; 5. a slide base; 6. an adapter plate; 7. a cylinder support; 8. a support cylinder; 9. a limiting block; 10. a cylinder movable mounting seat; 11. anti-collision acrylic rubber; 12. a fixed block; 13. an encoder read head; 14. an encoder grid scale assembly; 15. a motor coil; 16. a motor magnet; 17. a slider; 18. a slide rail.

Detailed Description

First explain the utility model discloses a design original intention, the Z axle linear electric motor that uses at present adopts servo motor to drive lead screw or belt as drive arrangement more, perhaps adopts the cylinder as drive arrangement, and the equipment motion precision of these several kinds of drive methods is not high, and inner structure is all more complicated moreover, needs to occupy very big installation space to the module adopts upper portion mechanism to carry out the omniseal or uses organ cover omniseal more, occupation space, consequently in order to solve above-mentioned problem, the utility model provides a dustcoat omniseal linear electric motor Z axle module.

The present invention is described in detail below with reference to the accompanying drawings, as shown in fig. 1 to 5, the Z-axis module of the linear motor mainly includes a base 1, a load board 4 disposed at one end of the base 1, and a motor coil 15 and a sliding seat 5 disposed in the middle of the base 1, referring to fig. 5, wherein a groove 101 is disposed in the middle of the inner side of the base 1, the motor coil 15 is installed and fixed in the groove 101, and a plurality of motor magnets 16 distributed in an array and matched with the motor coil 15 are disposed on the inner walls of the two sides of the inner side of the sliding seat 5, and the cross section of the motor coil 15 is a "convex" structure, and the cross section of the sliding seat 5 is a "concave" structure, so that the motor coil 15 and the sliding seat 5 are matched through a concave-convex structure, the motor magnets 16 are periodically distributed to generate a periodic fixed magnetic field, another periodic magnetic field is generated after the motor coil 15 is powered on, the two magnetic field interaction forces can generate a constant force, because the motor coil 15 is fixed on the base 1, the motor coil 15 is equivalent to a stator, the sliding seat 5 is equivalent to a magnetic steel, and the sliding seat 5 and a transmission device can convert the motor coil 5 and a relative kinetic energy into a transmission device without a relative kinetic energy.

As shown in fig. 4, the end portions of the load board 4 and the slide base 5 are rigidly and fixedly connected, in order to facilitate transmission of the slide base 5, slide blocks 17 are disposed on the left and right sides of the inner side of the base 1, and each slide block 17 is slidably connected with a slide rail 18, one end of each slide rail 18 is movable, and the other end of each slide rail 18 is fixedly connected with the load board 4, a fixed block 12 and an adapter board 6 are further disposed on each of the two sides of the upper portion of the base 1, one of the two slide blocks 17 is mounted and fixed on the inner wall of the base 1, and the other slide block is mounted and fixed on the inner side of the adapter board 6, so that when the slide base 5 slides under the action of magnetic force, the load board 4 is pushed to move together, and the load board 4 drives the two slide rails 18 to move together, and the slide rails 18 can play a role in guiding and improving stability of movement.

As shown in fig. 3, an encoder reading head 13 is disposed on the fixed block 12, and an encoder ruler assembly 14 is disposed on a side of the sliding base 5 at a position corresponding to the encoder reading head 13, the encoder reading head 13 and the encoder ruler assembly 14 are widely used in the field, and the structure and principle thereof are well known to those skilled in the art, and will not be described in detail herein, the encoder ruler assembly 14 moves along with the sliding base 5, and can feed back the moving position of the module, thereby ensuring the accuracy of the module.

As shown in fig. 2, an air cylinder bracket 7 is disposed on the end surface of the adapter plate 6, a support air cylinder 8 is mounted on the air cylinder bracket 7, an air cylinder movable mounting seat 10 is disposed on the load plate 4, a transmission rod of the support air cylinder 8 is fixedly connected with the load plate 4 through the air cylinder movable mounting seat 10, and is connected with an external air source through a lower air pipe joint of the support air cylinder 8, and when the load plate 4 moves, the support air cylinder 8 generates a support force under the action of air pressure after ventilation so as to balance the gravity influence of the module moving part and the load.

In order to prevent the sliding seat 5 from generating rigid collision to influence the use of the sliding seat 5 when moving, a limiting block 9 is arranged at one end, far away from the load plate 4, of the right side surface of the sliding seat 5, anti-collision high-strength rubber 11 is arranged on the end surface of the adapter plate 6 and the side surface of the cylinder support 7, the anti-collision high-strength rubber 11 is cylindrical, and the positions of the two anti-collision high-strength rubber 11 correspond to the limiting block 9 and the load plate 4 respectively, so that after the supporting cylinder 8 is prevented from ventilating, the motor magnet 16 drives the sliding seat 5 under the support of the sliding rail 18, the load plate 4 moves together to collide with the base 11 to cause damage, and therefore the safety of equipment is guaranteed, and the service life is prolonged.

The outer side of the whole module is provided with an upper outer cover 2 and a lower outer cover 3, wherein the upper outer cover 2 is fixedly installed on a load plate 4, the upper outer cover 2 and the load plate 4 can adopt a bolt fixing mode, the lower outer cover 3 can adopt a bolt fixing mode to be fixed on a base 1, and the upper outer cover 2 and the lower outer cover 3 are installed in a staggered mode, a gap is reserved between the inner side of the upper outer cover 2 and the outer side of the lower outer cover 3, the general circumferential gap in the embodiment is smaller than 0.5mm, the upper outer cover 2 completely covers the lower outer cover 3 in the movement process, the outer cover completely covers the structure in the module, the structure inside the module can be guaranteed not polluted by the external environment, cables connected with the internal structure of the module are located at a fixed part, drag chains are saved, and the overall cost of the module can be reduced.

Above-mentioned technical scheme has only embodied the utility model discloses technical scheme's preferred technical scheme, some changes that this technical field's technical staff probably made to some parts wherein have all embodied the utility model discloses a principle belongs to within the protection scope of the utility model.

Claims

1. A Z-axis module of a housing fully-sealed linear motor comprises a base (1) and is characterized in that one end of the base (1) is provided with a load plate (4), the left side and the right side of the inner side of the base (1) are respectively provided with a sliding block (17), the two sliding blocks (17) are respectively connected with a sliding rail (18) in a sliding manner, and one end of each sliding rail (18) is fixedly connected with the load plate (4);

a motor coil (15) with a convex section is arranged in the center of the bottom of the inner side of the base (1), a sliding seat (5) with a concave section is arranged on the motor coil (15), a plurality of motor magnets (16) which are distributed in an array manner and matched with the motor coil (15) are arranged on two sides of the inner side of the sliding seat (5), and one end of the sliding seat (5) is rigidly and fixedly connected with the load plate (4);

be provided with dustcoat (2) on load board (4), base (1) be provided with down dustcoat (3) all around, go up dustcoat (2) and the crisscross installation of dustcoat (3) down, and the clearance all around is less than 0.5mm, in the motion go up dustcoat (2) and cover dustcoat (3) down completely.

2. The Z-axis module of the housing fully-sealed linear motor as claimed in claim 1, wherein a fixed block (12) is arranged at the upper part of the left side of the base (1), an encoder reading head (13) is arranged on the fixed block (12), and an encoder grid ruler assembly (14) is arranged at the position, corresponding to the encoder reading head (13), of the side surface of the sliding base (5).

3. The Z-axis module of the outer-cover fully-sealed linear motor as claimed in claim 1, wherein an adapter plate (6) is arranged at the upper part of the right side of the base (1), and the side surface of the adapter plate (6) is fixedly connected with a sliding block (17) at the corresponding position of the base (1).

4. The Z-axis module of the outer-cover fully-sealed linear motor as claimed in claim 3, wherein a cylinder support (7) is arranged on the end face of the adapter plate (6), a supporting cylinder (8) is mounted on the cylinder support (7), a cylinder moving mounting seat (10) is arranged on the load plate (4), and a transmission rod of the supporting cylinder (8) is fixedly connected with the load plate (4) through the cylinder moving mounting seat (10).

5. The Z-axis module of the outer cover full-sealed linear motor according to claim 4, wherein a limiting block (9) is arranged at one end, far away from the load plate (4), of the right side face of the sliding seat (5), anti-collision high-power glue (11) is arranged on the end face of the adapter plate (6) and the side face of the cylinder support (7), the anti-collision high-power glue (11) is cylindrical, and the positions of the two anti-collision high-power glue (11) correspond to the limiting block (9) and the load plate (4) respectively.

6. The Z-axis module of the linear motor with the totally enclosed housing as claimed in claim 1, wherein the base (1) has a groove (101) formed in the middle of the inner side thereof for fixing the motor coil (15), and the slide (5) and the load board (4) are matched with the guide rail to slide along the slide block (17).