CN211254144U

CN211254144U - Linear conveying device

Info

Publication number: CN211254144U
Application number: CN201921919659.1U
Authority: CN
Inventors: 刘浩; 卢红星
Original assignee: Shanghai Lynuc Cnc Technology Co ltd
Current assignee: SHANGHAI LYNUC NUMERICAL CONTROL TECHNOLOGY CO.,LTD.
Priority date: 2019-11-08
Filing date: 2019-11-08
Publication date: 2020-08-14
Anticipated expiration: 2029-11-08

Abstract

The utility model discloses a linear conveying device, it includes guide rail base, movable plate, sensor module and magnetic grid chi subassembly, the movable plate is slided and is located guide rail base, sensor module with magnetic grid chi subassembly all connect in be used for measuring on the guide rail base the displacement of movable plate. The displacement of the moving plate can be measured through the sensor assembly and the magnetic grid ruler assembly, so that two modes can be compatible for the position control feedback of the moving plate, the position control feedback of the moving plate can be selected according to different occasion requirements, the precision is higher, and the application range is wide.

Description

Linear conveying device

Technical Field

The utility model relates to a linear conveying device.

Background

With the rapid development of manufacturing industry, the linear conveying system has a wider and wider application range, and the application range of the linear conveying system includes but is not limited to production line, assembly automation, transportation, packaging and other industries. Meanwhile, the requirements of various industries on flexibility, customization, transportation rate, control precision, stability, anti-interference performance, service life and the like of the linear conveying system are higher and higher.

In recent years, linear conveying systems based on the principle of linear motors are continuously emerged in the industry, permanent magnets are used as rotors to drive carrier discs to move, and coils are used as stators and laid below a moving path to generate alternating magnetic fields to provide power for the rotors. At present, the feedback precision of a linear conveying system based on a linear motor principle cannot be distinguished, only one optional precision is provided in any occasion, and the problem of excessive design cost of a product exists in the occasion with lower positioning requirement; in the case of high positioning requirement, the accuracy may be too low to meet the customer requirement.

SUMMERY OF THE UTILITY MODEL

The utility model aims at overcoming the above-mentioned not enough of current existence, the utility model provides a linear conveyor.

The utility model discloses a realize through following technical scheme:

the utility model provides a linear conveying device, its includes guide rail base, movable plate, sensor module and magnetic grid chi subassembly, the movable plate slides and locates the guide rail base, sensor module with the magnetic grid chi subassembly all connect in on the guide rail base and be used for measuring the displacement of movable plate.

Further, the guide rail base is including base body and guide rail, the guide rail connect in the top of base body, the front of base body has the mounting groove, the sensor subassembly with the magnetic grid chi subassembly all set up in the mounting groove, the movable plate is including body of the board and a plurality of slider, and a plurality of is all the slider connect in the top of body of the board, a plurality of the slider is all slided and is located the guide rail.

Furthermore, the bottom of the plate body is provided with a plurality of rollers, and the rollers are slidably arranged at the bottom of the base body.

Further, the guide rail base still includes linear electric motor, linear electric motor connect in the mounting groove, the movable plate still includes the magnetic sheet, the magnetic sheet connect in the board body and with linear electric motor corresponds.

Further, the sensor assembly comprises a sensor body and a first supporting seat, the first supporting seat is connected to the guide rail base, and the sensor body is connected to the first supporting seat and has a gap between the moving plates.

Further, the sensor body is a hall sensor.

Further, the magnetic grid ruler assembly comprises a magnetic grid ruler, a reading head and a second supporting seat, the second supporting seat is connected to the guide rail base, the reading head is connected to the second supporting seat, the magnetic grid ruler is connected to the moving plate, and the magnetic grid ruler and the reading head are arranged at intervals.

Furthermore, the distance between the magnetic grid ruler and the reading head is 0.5 mm-1 mm.

Further, the linear conveying device also comprises at least one anti-collision block, and the anti-collision block is connected to the end part of the guide rail base and is used for abutting against the moving plate;

and/or the anti-collision blocks are connected to two sides of the moving plate along the sliding direction of the moving plate.

The beneficial effects of the utility model reside in that: the displacement of the moving plate can be measured through the sensor assembly and the magnetic grid ruler assembly, so that two modes can be compatible for the position control feedback of the moving plate, the position control feedback of the moving plate can be selected according to different occasion requirements, the precision is higher, and the application range is wide.

Drawings

Fig. 1 is a schematic structural diagram of a linear conveying apparatus according to an embodiment of the present invention.

Fig. 2 is another schematic structural diagram of the linear conveying apparatus according to the embodiment of the present invention.

Fig. 3 is a schematic structural diagram of a guide rail base of a linear conveying device according to an embodiment of the present invention.

Fig. 4 is an exploded schematic view of a guide rail base of a linear conveying apparatus according to an embodiment of the present invention.

Fig. 5 is a schematic structural diagram of a moving plate of a linear conveying apparatus according to an embodiment of the present invention.

Description of reference numerals:

guide rail base 1

Base body 11

Mounting groove 111

Guide rail 12

Linear motor 13

Moving plate 2

Plate body 21

Slider 22

Roller 23

Magnetic plate 24

Sensor assembly 3

Sensor body 31

First support base 32

Magnetic grid rule assembly 4

Reading head 41

Magnetic scale 42

Second support seat 43

Anti-collision block 5

Detailed Description

The following description of the embodiments refers to the accompanying drawings, which are included to illustrate specific embodiments in which the invention may be practiced.

As shown in fig. 1, 2, 3, 4 and 5, the present embodiment discloses a linear conveying device, which includes a guide rail base 1, a moving plate 2, a sensor assembly 3 and a magnetic scale assembly 4, wherein the moving plate 2 is slidably disposed on the guide rail base 1, and both the sensor assembly 3 and the magnetic scale assembly 4 are connected to the guide rail base 1 and are configured to measure a displacement of the moving plate 2. The sensor assembly 3 is used for detecting the distance of the displacement of the moving plate 2 on the guide rail base 1, the magnetic grid ruler assembly 4 can also be used for measuring the distance of the displacement of the moving plate 2 on the guide rail base 1, and the displacement of the moving plate 2 can be measured through the sensor assembly 3 and the magnetic grid ruler assembly 4, so that two modes can be compatible for position control feedback of the moving plate 2, selection can be performed according to different occasion requirements, the precision is higher, and the application range is wide. The sensor assembly 3 can be selected to measure the displacement of the moving plate 2 without the magnetic grid ruler assembly 4 according to different occasion requirements, the magnetic grid ruler assembly 4 can be selected to measure the displacement of the moving plate 2 without the sensor assembly 3, and the sensor assembly 3 and the magnetic grid ruler assembly 4 can measure the displacement of the moving plate 2 at the same time.

Guide rail base 1 is including base body 11 and guide rail 12, and guide rail 12 connects in the top of base body 11, and the front of base body 11 has mounting groove 111, and sensor module 3 and magnetic grid chi subassembly 4 all set up in mounting groove 111, and movable plate 2 is including body 21 and a plurality of slider 22, and the equal slider 22 of a plurality of connects in the top of body 21, and guide rail 12 is all slided to a plurality of slider 22. The sensor component 3 and the magnetic grid ruler component 4 are arranged in the mounting groove 111, so that the space is fully utilized, and the mounting of feedback elements of two feedback schemes is supported. Meanwhile, the guide rail 12 has guiding and supporting functions, and the sliding block 22 moves on the guide rail 12, so that the moving plate 2 can slide on the guide rail base 1 more stably, and the phenomenon of offset and dislocation is effectively avoided.

The bottom of the plate body 21 is provided with a plurality of rollers 23, and the plurality of rollers 23 are slidably arranged at the bottom of the base body 11. The top of the moving plate 2 slides on the guide rail 12 through the front and rear sliding blocks 22, and the bottom of the moving plate 2 moves at the bottom of the base body 11 through the front and rear rollers 23, so that the sliding is more stable, the resistance is small, the abrasion is avoided, and the moving speed is high.

The guide rail base 1 further comprises a linear motor 13, the linear motor 13 is connected in the mounting groove 111, the moving plate 2 further comprises a magnetic plate 24, and the magnetic plate 24 is connected to the plate body 21 and corresponds to the linear motor 13. The linear conveying device is driven by power provided by the linear motor 13 and the magnetic plate 24, the linear motor 13 generates a magnetic field after charging, so that the magnetic plate 24 is driven to move, the moving plate 2 moves on the guide rail base 1, and the linear conveying device is free of abrasion and stable in long-term operation due to the adoption of a non-contact structure; and the movement speed is high, the responsiveness is good, and high positioning accuracy can be realized. Preferably, the distance between the magnetic plate 24 and the linear motor 13 is 0.5-1 mm.

The sensor assembly 3 includes a sensor body 31 and a first supporting seat 32, the first supporting seat 32 is connected to the rail base 1, and the sensor body 31 is connected to the first supporting seat 32 and has a gap with the moving plate 2. Linear motor 13 connects in mounting groove 111, and first supporting seat 32 will set up in the mounting groove 111 of guide rail base 1 and lie in linear motor 13's top, with sensor body 31 installation setting on first supporting seat 32, simple structure, installation setting is convenient. The sensor body 31 is a hall sensor, the sensor body 31 is mounted on the first supporting seat 32, and hall particles are induced by the magnetic plate 24 on the moving plate 2.

The magnetic scale assembly 4 comprises a magnetic scale 42, a reading head 41 and a second supporting seat 43, the second supporting seat 43 is connected to the guide rail base 1, the reading head 41 is connected to the second supporting seat 43, the magnetic scale 42 is connected to the moving plate 2, and the magnetic scale 42 and the reading head 41 are arranged at intervals. The second supporting seat 43 is connected in the mounting groove 111 and located above the first supporting seat 32, sensing is performed through the reading head 41 and the magnetic grid ruler 42, feedback control is performed through the magnetic grid ruler 42 and the reading head 41, and positioning accuracy is high and response speed is high. Preferably, the distance between the magnetic grid ruler 42 and the reading head 41 is 0.5 mm-1 mm.

The linear conveyer further comprises at least one anti-collision block 5, and the anti-collision block 5 is connected to the end of the guide rail base 1 and used for abutting against the moving plate 2. The anti-collision block 5 has a protection function, the moving plate 2 can collide against the anti-collision block 5 in the moving process on the guide rail base 1, the moving plate 2 is effectively prevented from being damaged, and meanwhile, the moving plate 2 is prevented from being separated from the guide rail base 1. Of course, the number of the crash block 5 may be plural, and the plural crash blocks 5 are respectively located at both ends of the rail base 1. The anti-collision blocks 5 can also be connected to two sides of the moving plate 2 in the sliding direction of the moving plate 2, damage to the moving plate 2 in the sliding process is avoided, and the stability and the service life of the linear conveying device are improved.

The above disclosure is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the scope of the invention, which is defined by the appended claims.

Claims

1. The utility model provides a linear conveying device which characterized in that, it includes guide rail base, movable plate, sensor subassembly and magnetic grid chi subassembly, the movable plate slides and locates the guide rail base, the sensor subassembly with the magnetic grid chi subassembly all connect in on the guide rail base and be used for measuring the displacement of movable plate.

2. The linear transport device of claim 1, wherein the guide rail base includes a base body and a guide rail, the guide rail is connected to the top of the base body, the front of the base body has a mounting groove, the sensor assembly and the magnetic scale assembly are both disposed in the mounting groove, the moving plate includes a plate body and a plurality of sliding blocks, the plurality of sliding blocks are both connected to the top of the plate body, and the plurality of sliding blocks are both slidably disposed on the guide rail.

3. The linear transporter according to claim 2, wherein the plate body has a plurality of rollers at a bottom thereof, and the plurality of rollers are slidably disposed at a bottom of the base body.

4. The linear transport device of claim 2, wherein the rail base further includes a linear motor connected in the mounting groove, and the moving plate further includes a magnetic plate connected to the plate body and corresponding to the linear motor.

5. The linear transport device of claim 1, wherein the sensor assembly includes a sensor body and a first support base, the first support base being connected to the rail base, the sensor body being connected to the first support base with a gap from the moving plate.

6. The linear transport device of claim 5, wherein the sensor body is a Hall sensor.

7. The linear transport device of claim 1, wherein the magnetic scale assembly comprises a magnetic scale, a reading head and a second support, the second support is connected to the guide rail base, the reading head is connected to the second support, the magnetic scale is connected to the moving plate, and the magnetic scale and the reading head are spaced apart from each other.

8. The linear transport device of claim 7, wherein the magnetic scale is spaced from the read head by 0.5mm to 1 mm.

9. The linear transport device of claim 1, further comprising at least one crash block connected to an end of the guide rail base and adapted to abut against the moving plate;