CN214951110U

CN214951110U - Portable flatness measuring instrument based on magnetic grid ruler

Info

Publication number: CN214951110U
Application number: CN202121342714.2U
Authority: CN
Inventors: 汤明亮; 陈楚卿; 陈楚辉
Original assignee: Shenzhen Hongcheng Electromechanical Technology Co ltd
Current assignee: Shenzhen Hongcheng Electromechanical Technology Co ltd
Priority date: 2021-06-17
Filing date: 2021-06-17
Publication date: 2021-11-30
Anticipated expiration: 2031-06-17

Abstract

The utility model discloses a portable flatness measuring instrument based on a magnetic grid ruler, which comprises a plurality of rails and a base, and is characterized in that the rails comprise two bases, the middle parts of the top ends of the two bases are fixedly connected with a slide rail, a plurality of connecting rods are fixedly arranged between the two bases, the bottom parts of the back surfaces of the two bases are fixedly connected with a first mounting seat, the top parts of the front surfaces of the two bases are fixedly connected with a second mounting seat, the base is movably connected with the top ends of the rails, the middle part of the top end of the first mounting seat is provided with a clamping groove, the middle part of the bottom end of the second mounting seat is fixedly provided with a clamping block, the rails can be spliced according to the measuring length during the actual measurement of the flatness through the detachable rails, so that the rails are laid to the proper length, the measuring range of the flatness can be arbitrarily changed, and the measurement of the flatness is convenient, when the portable rail chair is carried, the rail can be detached and placed in a suitcase in order, and the portable rail chair is more convenient to carry.

Description

Portable flatness measuring instrument based on magnetic grid ruler

Technical Field

The utility model relates to a roughness measuring apparatu, in particular to portable roughness measuring apparatu based on magnetic grid chi belongs to roughness measurement technical field.

Background

The flatness is the difference between the uneven and absolute flatness of the surface of a workpiece, in the machining process, the flatness of the plane can influence the installation and positioning of each workpiece, the flatness of the surface of the plane is an important index, and the flatness measuring instrument based on the magnetic grid ruler converts the displacement of a probe on the magnetic grid ruler into electric quantity to be converted and input into the micro PC for data analysis, so that the flatness is measured.

For example, under the name of application No. "CN 105403142A": the Chinese patent of 'a portable flatness measuring instrument based on a magnetic grid ruler' discloses a portable flatness measuring instrument based on a magnetic grid ruler, which comprises a mechanical probe, a stepping motor, the magnetic grid ruler and a base, wherein supports are arranged at two ends of the base, the stepping motor is installed at one end of each support, a lead screw guide rail is arranged in the middle of each support, the stepping motor is connected with the lead screw guide rail, and a sliding block is arranged on the lead screw guide rail; the magnetic grid ruler is open and comprises a magnetic strip and a magnetic head; the utility model discloses a magnetic grid chi, including slider, probe, magnetic head, magnetic grid chi, magnetic head and probe, the magnetic grid chi is installed the surface of slider set up the mount on the slider, the probe is direct to be fixed on the mount with the magnetic stripe, the magnetic head sets up on the slider, the magnetic head is gomphosis mutually with the probe, and is light and handy relatively, portable to the experimental site, especially can carry out effective and convenient measurement to a lot of plane roughness not convenient for dismantle.

The flatness measuring instrument based on the magnetic grid ruler can not change the distance of flatness measurement, the flatness measuring instrument based on the magnetic grid ruler utilizes the rotation of the lead screw guide rail to drive the magnetic grid ruler to move, the measuring range of the surface flatness is the length of the lead screw guide rail, the measuring range can not be adjusted at will, the flatness measuring instrument is inconvenient to use and use, and if the lead screw guide rail is too long, the size of the flatness measuring instrument is too large, and the flatness measuring instrument can not be conveniently carried.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a portable roughness measuring apparatu based on magnetic grid chi to solve the problem that the roughness measuring apparatu based on magnetic grid chi that proposes in the above-mentioned background art can't change the measured distance of roughness.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a portable roughness measuring apparatu based on magnetic grid chi, includes a plurality of tracks and base, and is a plurality of the track includes two bases, two the middle part fixed connection and the slide rail on base top are two fixed being equipped with a plurality of connecting rods between the base, two the first mount pad of bottom fixedly connected with at the base back, two the positive top fixedly connected with second mount pad of base, base swing joint is in a plurality of orbital tops.

As a preferred technical scheme of the utility model, the both sides of base bottom are all through mount fixedly connected with connecting axle, two the both ends swing joint of connecting axle has the gyro wheel, the base passes through gyro wheel and a plurality of track swing joint.

As a preferred technical scheme of the utility model, the equal fixedly connected with bracing piece in both sides on base top, two the fixed plate that is equipped with in top of bracing piece, the avris fixedly connected with movable sleeve of fixed plate bottom, the bottom swing joint of movable sleeve has the movable rod, the bottom fixedly connected with probe of movable rod.

As a preferred technical scheme of the utility model, the spout has been seted up at the middle part of movable sleeve bottom, the both sides cell wall and the movable rod sliding connection of spout.

As a preferred technical scheme of the utility model, the inside of spout is equipped with the spring, the one end and the movable rod fixed connection of spring, the other end and spout one side inner wall fixed connection of spring.

As a preferred technical scheme of the utility model, the positive fixedly connected with fixing base of movable rod, the positive middle part of fixing base is equipped with the magnetic stripe.

As an optimal technical scheme of the utility model, the fixed magnetic head that is equipped with in one side of base, the magnetic head contacts with the magnetic stripe.

As a preferred technical scheme of the utility model, the draw-in groove has been seted up at the middle part on first mount pad top, the fixed fixture block that is equipped with in middle part of second mount pad bottom, draw-in groove and fixture block size phase-match.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model relates to a portable roughness measuring apparatu based on magnetic grid chi:

through the compression of the movable in-groove spring, make the probe can be all the time with by survey surface contact, effectual measurement surface's roughness can splice the track according to measuring length when the actual measurement of roughness through the detachable track, make the track lay into suitable length, just can change the measuring scope of roughness wantonly, make things convenient for the measurement of roughness, when carrying, can dismantle the track get off, neatly arrange and place, conveniently carry more.

Drawings

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

FIG. 2 is a schematic view of the base structure of the present invention;

FIG. 3 is a schematic view of the structure of the movable trough of the present invention;

fig. 4 is a schematic view of the roller structure of the present invention.

In the figure: 1. a track; 2. a base; 3. a base; 4. a slide rail; 5. a connecting rod; 6. a first mounting seat; 7. a card slot; 8. a second mounting seat; 9. a clamping block; 10. a support bar; 11. a fixing plate; 12. a movable sleeve; 13. a chute; 14. a movable rod; 15. a spring; 16. a probe; 17. a fixed seat; 18. a magnetic strip; 19. a magnetic head; 20. a roller; 21. and (7) connecting the shafts.

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. 1-4, the utility model provides a technical scheme of a portable flatness measuring instrument based on a magnetic grid ruler:

the utility model provides a portable roughness measuring apparatu based on magnetic grid chi, includes a plurality of tracks 1 and base 2, and a plurality of tracks 1 include two bases 3, the middle part fixed connection and the slide rail 4 on 3 tops of two bases, and fixed being equipped with a plurality of connecting rods 5 between two bases 3, the first mount pad 6 of bottom fixedly connected with at the 3 backs of two bases, the positive top fixedly connected with second mount pad 8 of two

bases

3, 2 swing joint in the top of a plurality of tracks 1 of base.

Specifically, through

first mount pad

6 and 8 blocks of second mount pad between a plurality of tracks 1, realize first connection, four gyro wheels 20 that base 2 passes through the bottom slide on slide rail 4, gyro wheel 20 wheel hub's inboard and the both sides contact of slide rail 4, when needs are measured workpiece surface roughness, with the fixture block 9 of 8 bottoms of second mount pad on a track 1 and the draw-in groove 7 block on 6 tops of first mount pad on another track 1, splice a plurality of tracks 1 together, make a plurality of tracks 1 constitute suitable length, the slip of base 2 on track 1, the roughness of workpiece surface is surveyed through probe 16 on the base 2, can change measuring range at will according to the length of work piece, when carrying, dismantle a plurality of tracks 1, neatly arrange and place, portable that just can be convenient.

Preferably, both sides of base 2 bottom all are through mount fixedly connected with connecting axle 21, and the both ends swing joint of two connecting axles 21 has gyro wheel 20, and base 2 passes through gyro wheel 20 and a plurality of track 1 swing joint, and base 2 moves forward through the gyro wheel 20 roll on track 1 of bottom.

Preferably, the equal fixedly connected with bracing piece 10 in both sides on base 2 top, the fixed plate 11 that is equipped with in top of two bracing pieces 10, the avris fixedly connected with movable sleeve 12 of fixed plate 11 bottom, the bottom swing joint of movable sleeve 12 has movable rod 14, the bottom fixedly connected with probe 16 of movable rod 14, through probe 16 and the contact of being surveyed the surface, obtain the transform of probe 16 displacement to the roughness of being surveyed the surface of surveying.

Preferably, the middle part of the bottom end of the movable sleeve 12 is provided with a sliding chute 13, the two side chute walls of the sliding chute 13 are in sliding connection with the movable rod 14, and the movable rod 14 slides in the sliding chute 13, so that the probe 16 at the bottom end of the movable rod 14 can move up and down along with the fluctuation of the ground.

Preferably, the inside of spout 13 is equipped with spring 15, and the one end and the movable rod 14 fixed connection of spring 15, the other end and spout 13 one side inner wall fixed connection of spring 15, through the inside spring 15 of spout 13, can make movable rod 14 when retraction spout 13 in, make movable rod 14 stretch out spout 13 again through the elasticity of spring 15 for the undulation condition of record measured surface that probe 16 can be accurate.

Preferably, the front of the movable rod 14 is fixedly connected with a fixed seat 17, a magnetic strip 18 is arranged in the middle of the front of the fixed seat 17, the magnetic strip 18 moves along with the fixed seat 17 fixedly connected with the movable rod 14 when the movable rod 14 moves up and down, and the movable rod 14 reacts on the magnetic strip 18 along with the fluctuation of the measured surface.

Preferably, a magnetic head 19 is fixedly arranged on one side of the base 2, the magnetic head 19 is in contact connection with the magnetic strip 18, the output end of the magnetic head 19 is connected with the micro PC, and the change of the displacement of the magnetic strip 18 is converted into the conversion of an electric signal, so that the flatness of the surface to be measured is measured.

Preferably, the middle part of the top end of the first mounting seat 6 is provided with a clamping groove 7, the middle part of the bottom end of the second mounting seat 8 is fixedly provided with a clamping block 9, the clamping groove 7 is matched with the clamping block 9 in size, and the two rails 1 are fixed together through the clamping grooves 7 and the clamping block 9.

In the description of the present invention, it should be understood that the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.

In the present invention, unless otherwise explicitly specified or limited, for example, it may be fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

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 portable roughness measuring apparatu based on magnetic grid chi, includes a plurality of tracks (1) and base (2), its characterized in that, and is a plurality of track (1) includes two bases (3), two the middle part fixed connection and slide rail (4) on base (3) top are two fixed a plurality of connecting rods (5) that are equipped with between base (3), two the first mount pad (6) of bottom fixedly connected with at the base (3) back, two positive top fixedly connected with second mount pad (8) of base (3), base (2) swing joint is on the top of a plurality of tracks (1).

2. The portable flatness measuring instrument based on a magnetic grid ruler according to claim 1, characterized in that: both sides of base (2) bottom all are through mount fixedly connected with connecting axle (21), two the both ends swing joint of connecting axle (21) has gyro wheel (20), base (2) are through gyro wheel (20) and a plurality of track (1) swing joint.

3. The portable flatness measuring instrument based on a magnetic grid ruler according to claim 1, characterized in that: the equal fixedly connected with bracing piece (10) in both sides on base (2) top, two the fixed plate (11) that is equipped with in top of bracing piece (10), avris fixedly connected with movable sleeve (12) of fixed plate (11) bottom, the bottom swing joint of movable sleeve (12) has movable rod (14), the bottom fixedly connected with probe (16) of movable rod (14).

4. A portable flatness measuring instrument based on a magnetic grid ruler, in accordance with claim 3, characterized in that: the middle part of the bottom end of the movable sleeve (12) is provided with a sliding chute (13), and the chute walls on two sides of the sliding chute (13) are in sliding connection with the movable rod (14).

5. The portable flatness measuring instrument based on the magnetic grid ruler of claim 4, wherein: the inside of spout (13) is equipped with spring (15), the one end and the movable rod (14) fixed connection of spring (15), the other end and spout (13) one side inner wall fixed connection of spring (15).

6. A portable flatness measuring instrument based on a magnetic grid ruler, in accordance with claim 3, characterized in that: the front face of the movable rod (14) is fixedly connected with a fixed seat (17), and a magnetic strip (18) is arranged in the middle of the front face of the fixed seat (17).

7. The portable flatness measuring instrument based on the magnetic grid ruler of claim 6, wherein: a magnetic head (19) is fixedly arranged on one side of the base (2), and the magnetic head (19) is in contact connection with the magnetic strip (18).

8. The portable flatness measuring instrument based on a magnetic grid ruler according to claim 1, characterized in that: the clamping groove (7) is formed in the middle of the top end of the first mounting seat (6), the clamping block (9) is fixedly arranged in the middle of the bottom end of the second mounting seat (8), and the clamping groove (7) is matched with the clamping block (9) in size.