CN211783518U

CN211783518U - Linear motor encoder

Info

Publication number: CN211783518U
Application number: CN202020522172.6U
Authority: CN
Inventors: 范东绪; 吴蛟
Original assignee: Fengzhigu Intelligent Equipment Shenzhen Co ltd
Current assignee: Fengzhigu Intelligent Equipment Shenzhen Co ltd
Priority date: 2020-04-10
Filing date: 2020-04-10
Publication date: 2020-10-27
Anticipated expiration: 2030-04-10

Abstract

The utility model discloses a linear electric motor encoder, including reading head and magnetic grid chi, the top at the magnetic grid chi is installed to the reading head, the magnetic distance of reading head is 2mm, there is the connecting wire one side of reading head through plug electric connection, the reading head is kept away from one side of connecting wire and is installed the LED pilot lamp, distance A between reading head and the magnetic grid chi is 0.1-0.5mm, the shell material of reading head is aluminium, the bottom of reading head is effective response face, the utility model relates to a measuring equipment technical field. This linear electric motor encoder adopts incremental formula magnetic grid encoder, and reading head and magnetic grid chi non-contact measurement make the encoder resistant dust, stand wear and tear, shock-resistant, anti-vibration and anti magnetic field interference, have solved the lower problem of current linear electric motor encoder resolution ratio, and the reading head directly is qualified for the next round of competitions through the plug, connects reliably, and is nimble convenient, can match arbitrary line length, makes the encoder can show operating condition simultaneously.

Description

Linear motor encoder

Technical Field

The utility model relates to a measuring equipment technical field specifically is a linear electric motor encoder.

Background

The incremental magnetic grid encoder is a non-contact measurement technology and has the advantages that: the device has the advantages of non-contact measurement, high pollution resistance, dust resistance, wear resistance, impact resistance, vibration resistance, magnetic field interference resistance and extremely long service life, and is suitable for the fields of industrial automation and assembly systems, metal processing, stone cutting, saw cutting, plastic processing, wood processing, packaging, electronic chip/circuit board production and the like. However, the existing linear motor encoder is low in resolution ratio, cannot display the working state of the encoder, and is inconvenient to wire.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a linear electric motor encoder has solved current linear electric motor encoder resolution ratio lower, can't show encoder operating condition, the inconvenient problem of wiring simultaneously.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides a linear electric motor encoder, includes reading head and magnetic grid chi, the top at the magnetic grid chi is installed to the reading head, the magnetic distance of reading head is 2mm, there is the connecting wire one side of reading head through plug electric connection, the LED pilot lamp is installed to one side that the connecting wire was kept away from to the reading head, distance A between reading head and the magnetic grid chi is 0.1-0.5 mm.

Preferably, the shell material of reading head is aluminium, the bottom of reading head is effective response face, the material of effective response face is nonrust steel sheet, the thickness of effective response face is 0.1 mm.

Preferably, threaded holes are symmetrically formed in two sides of the reading head, screws are mounted inside the threaded holes, and the reading head is fastened through the screws.

Preferably, the lateral offset B between the reading head and the magnetic scale is 2.5mm, and the alignment deviation F between the reading head and the magnetic scale is 3 degrees.

Preferably, the longitudinal inclination G between the reading head and the magnetic scale is 1 degree.

Preferably, the side slope H between the reading head and the magnetic scale is 3 degrees.

(III) advantageous effects

The utility model provides a linear electric motor encoder. The method has the following beneficial effects:

(1) this linear electric motor encoder installs the top at the magnetic grid chi through the reading head, the magnetic distance of reading head is 2mm, adopts incremental magnetic grid encoder, and reading head and magnetic grid chi non-contact measure make the encoder resistant dust, stand wear and tear, shock-resistant, anti-vibration and anti magnetic field interference, and the resolution ratio minimum can 0.0305um, has solved the lower problem of current linear electric motor encoder resolution ratio.

(2) This linear electric motor encoder has the connecting wire through plug electric connection in one side of reading head, the reading head is kept away from one side of connecting wire and is installed the LED pilot lamp, and the reading head directly is qualified for the next round of competitions through the plug, connects reliably, and is nimble convenient, can match arbitrary line length, and when the sensor was too far away from the tape, the velocity of motion was too fast, did not respond to the magnetic grid chi, can report an emergency and ask for help or increased vigilance red LED lamp and light, and normal during operation is green LED lamp and lights, makes the encoder can show operating condition.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic diagram of the distance between the reading head and the magnetic scale of the present invention;

FIG. 3 is a schematic diagram of the longitudinal inclination of the reading head and the magnetic scale of the present invention;

FIG. 4 is a schematic side view of the reading head and the magnetic scale of the present invention;

FIG. 5 is a schematic side view of the reading head and the magnetic scale of the present invention;

FIG. 6 is a schematic diagram of the alignment deviation between the reading head and the magnetic scale of the present invention;

FIG. 7 is a left side view of the reading head of the present invention;

FIG. 8 is a front view of the reading head of the present invention;

fig. 9 is a schematic view of the effective sensing surface of the reading head of the present invention.

In the figure: 1-reading head, 2-magnetic grid ruler, 3-plug, 4-connecting line, 5-LED indicator light, 6-threaded hole, 7-screw, distance between A-reading head and magnetic grid ruler, B-side offset, G-longitudinal inclination, H-side inclination and F-alignment deviation.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-9, the present invention provides a technical solution: the utility model provides a linear electric motor encoder, includes reading head 1 and magnetic grid chi 2, its characterized in that: the reading head 1 is arranged above the magnetic grid ruler 2, the magnetic distance of the reading head 1 is 2mm, an incremental magnetic grid encoder is adopted, the reading head 1 and the magnetic grid ruler 2 are in non-contact measurement, the encoder is resistant to dust, abrasion, impact, vibration and magnetic field interference, the resolution ratio can be 0.0305um at least, the problem that the resolution ratio of the existing linear motor encoder is low is solved, one side of the reading head 1 is electrically connected with a connecting wire 4 through a plug 3, an LED indicating lamp 5 is arranged on one side of the reading head 1 away from the connecting wire 4, the reading head 1 is directly LED out through the plug 3, the connection is reliable, flexible and convenient, can match arbitrary line length, when the sensor is too far away from the tape, the velocity of motion is too fast, does not respond to the magnetic grid chi, can report an emergency and ask for help or increased vigilance red LED lamp and light, and normal during operation is that green LED lamp lights, makes the encoder can show operating condition, and the distance between reading head 1 and the magnetic grid chi 2 is 0.3 mm.

The shell material of reading head 1 is aluminium, and the bottom of reading head 1 is effective response face, and the material of effective response face is nonrust steel sheet, and the thickness of effective response face is 0.1 mm.

Threaded holes 6 are symmetrically formed in the two sides of the reading head 1, screws 7 are mounted inside the threaded holes 6, and the reading head 1 is fastened through the screws 7.

The lateral offset between the readhead 1 and the magnetic scale 2 was 2.5mm and the misalignment between the readhead 1 and the magnetic scale 2 was 3 degrees.

The longitudinal tilt between the readhead 1 and the magnetic scale 2 is 1 degree.

The side between the reading head 1 and the magnetic scale 2 is inclined at 3 degrees.

During the use, it is fixed through screw 7 with the shell of reading head 1, then install reading head 1 on magnetic grid chi 2, reading head 1 is qualified for the next round of competitions through plug 3 and is connected with follow-up electronic equipment, and when the sensor was too far away from the tape, reading head 1 moving speed was too fast, did not respond to magnetic grid chi 2, can report an emergency and ask for help or increased vigilance red LED pilot lamp 5 and light, and normal during operation is green LED pilot lamp 5 and lights can.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a linear electric motor encoder, includes reading head (1) and magnetic grid chi (2), its characterized in that: the top at magnetic grid chi (2) is installed in reading head (1), the magnetic distance of reading head (1) is 2mm, there is connecting wire (4) one side of reading head (1) through plug (3) electric connection, LED pilot lamp (5) are installed to one side that connecting wire (4) were kept away from in reading head (1), the distance between reading head (1) and magnetic grid chi (2) is 0.1-0.5 mm.

2. A linear motor encoder according to claim 1, wherein: the shell material of reading head (1) is aluminium, the bottom of reading head (1) is effective response face, the material of effective response face is nonrust steel sheet, the thickness of effective response face is 0.1 mm.

3. A linear motor encoder according to claim 1, wherein: threaded holes (6) are symmetrically formed in two sides of the reading head (1), screws (7) are mounted inside the threaded holes (6), and the reading head (1) is fastened through the screws (7).

4. A linear motor encoder according to claim 1, wherein: the side offset between the reading head (1) and the magnetic grid ruler (2) is 2.5mm, and the alignment deviation between the reading head (1) and the magnetic grid ruler (2) is 3 degrees.

5. A linear motor encoder according to claim 1, wherein: the longitudinal inclination between the reading head (1) and the magnetic grid ruler (2) is 1 degree.

6. A linear motor encoder according to claim 1, wherein: the side surface between the reading head (1) and the magnetic grid ruler (2) is inclined by 3 degrees.