CN211452199U

CN211452199U - Device for detecting flatness of steel plate

Info

Publication number: CN211452199U
Application number: CN202020011531.1U
Authority: CN
Inventors: 戈君; 陈宇超
Original assignee: Wuxi Shiyuexing Technology Co ltd
Current assignee: Wuxi Shiyuexing Technology Co ltd
Priority date: 2020-01-03
Filing date: 2020-01-03
Publication date: 2020-09-08
Anticipated expiration: 2030-01-03

Abstract

The utility model discloses a device for detecting the flatness of a steel plate, which comprises an operation platform; a plurality of support columns are arranged on the operating platform; a support plate is arranged on the support column; a counter bore is arranged in the center of the top surface of the supporting column, and the depth of the counter bore is greater than 1/2 of the height of the supporting column; a plurality of through holes are formed in the supporting plate; the supporting plate is also connected with a plurality of uniformly arranged electric push rods; an extension rod of the electric push rod is upward and arranged in the through hole of the supporting plate; the device also comprises a plurality of same pin shafts; the pin shaft is inserted into the counter bore. The device is characterized in that the device is used for detecting the flatness of the steel plate with the hole, adopts a mechanical structure and is easy to maintain.

Description

Device for detecting flatness of steel plate

Technical Field

The utility model relates to a machinery detects the field, in particular to a device for detecting steel sheet roughness.

Background

The steel sheet is a flat steel sheet which is cast with molten steel, cooled, and pressed. In the rolling process of the steel plate, due to the fact that chemical components in the plate are inconsistent, stress generated on the surface is not uniform after the plate is pressed by a rolling mill, and the defect of surface flatness is caused. Which is manifested by the occurrence of pits, bubbles and scratches, the flatness of the steel sheet must be checked in order to control the quality of the finished steel sheet. At present, the steel plate flatness detection method in the prior art is developed from a traditional thickness detection method to a laser and electromagnetic detection method at present, but the cost is high, the internal structure of the steel plate is easily influenced, and the surface of the steel plate is damaged due to improper operation.

In view of the above problems, the following patents exist in China:

patent grant publication no: CN207622733U discloses a steel sheet roughness detection device, comprises a workbench, a slide rail, the crossbeam, digital display table and measuring rod, the workstation disposes elevating system and carries out vertical movement from top to bottom, the workstation is provided with fore-and-aft slide rail groove, the slide rail slides in packing into the slide rail groove, the one end fixed mounting of crossbeam perpendicular to slide rail and crossbeam in the slide rail, the digital display table is installed to the other end of crossbeam, the digital display table disposes the measuring rod, capacitance sensor is installed to the head of measuring rod, capacitance sensor is connected to the internal circuit of digital display table and detects the steel sheet roughness. The utility model discloses steel sheet roughness detection device is easy and simple to handle, can reduce the detection cost.

However, the device adopts a capacitive sensor, and the circuit structure is responsible for the problem of difficult maintenance and difficult measurement of the flatness of the steel plate with the holes.

SUMMERY OF THE UTILITY MODEL

To the problem that exists among the prior art, the utility model aims to provide a device for detecting steel sheet roughness, its characteristics are the roughness that is used for detecting foraminiferous steel sheet, adopt mechanical structure, easy to maintain.

In order to achieve the above purpose, the utility model adopts the technical scheme that: a device for detecting the flatness of a steel plate comprises an operation table; a plurality of support columns are arranged on the operating platform; a support plate is arranged on the support column; a counter bore is arranged in the center of the top surface of the supporting column, and the depth of the counter bore is greater than 1/2 of the height of the supporting column; a plurality of through holes are formed in the supporting plate; the supporting plate is also connected with a plurality of uniformly arranged electric push rods; an extension rod of the electric push rod is upward and arranged in the through hole of the supporting plate; the device also comprises a plurality of same pin shafts; the pin shaft is inserted into the counter bore.

Preferably, the diameter of the upper part of the pin shaft is smaller than that of the middle part of the pin shaft; the diameters of the middle part and the lower part of the pin shaft are consistent.

Preferably, the device also comprises a plurality of bolts; a first pin hole is formed in the center of the side face of the supporting column; the first pin hole is communicated with the counter bore. The pin shaft is provided with a second pin hole; the plug pin is inserted into the first pin hole and the second pin hole.

Preferably, the diameters of the first pin hole and the second pin hole are consistent; the diameter of the first pin hole and the diameter of the second pin hole are both smaller than the diameter of the pin shaft.

Preferably, the extension bar is provided with a scale.

Preferably, the through hole extends to the edge of the supporting plate, and a sliding groove is arranged below the through hole along the length direction of the through hole; the electric push rod is provided with a sliding block, and the sliding block is embedded into the sliding groove.

Preferably, the sliding groove is T-shaped.

The beneficial effects of the utility model reside in that 1) through setting up round pin axle and counter bore, fixed foraminiferous steel sheet, then make electric putter stretch out, record electric putter contacts the steel sheet everywhere and sends the time of collision sound, through judging whether unanimous in time, judge whether the steel sheet levels. 2) Set up the bolt, further dead pin axle prevents that the fixed height of round pin axle from changing. 3) The extension rod is provided with scales, so that the flatness of the steel plate can be accurately measured. 4) The sliding block is arranged, so that the electric push rod can move, and the range of a measuring area is enlarged.

Drawings

FIG. 1 is a schematic structural diagram of the present embodiment;

FIG. 2 is a schematic diagram showing a slider;

fig. 3 is a cross-sectional view of the support post, pin and pin of this embodiment.

Reference numerals: 1. a support pillar; 2. a support plate; 3. a counter bore; 5. a through hole; 6. an electric push rod; 7. an extension bar; 8. a pin shaft; 9. a first pin hole; 10. a bolt; 11. a second pin hole; 12. a chute; 13. a slider; 14. an operation table; 15. and (3) a steel plate.

Detailed Description

The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

In which like parts are designated by like reference numerals. It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "bottom" and "top," "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.

The present embodiment discloses an apparatus for inspecting flatness of a steel plate 15, which includes an operation table 14, as shown in fig. 1 to 3. A plurality of supporting columns 1 are arranged on the operating platform 14. The support column 1 is provided with a support plate 2. The top surface center of the support column 1 is provided with a counter bore 3, and the depth of the counter bore 3 is greater than 1/2 of the height of the support column 1. The supporting plate 2 is provided with a plurality of through holes 5. The supporting plate 2 is also connected with a plurality of electric push rods 6 which are uniformly arranged. An extension rod 7 of the electric push rod 6 is arranged upwards in the through hole 5 of the support plate 2. Also comprises a plurality of same pin shafts 8. The pin shaft 8 is inserted into the counter bore 3. Through setting up round pin axle 8 and counter bore 3, fixed foraminiferous steel sheet 15, then make electric putter 6 stretch out, record electric putter 6 everywhere and contact steel sheet 15 and send the time of collision sound, through judging whether unanimous, judge whether steel sheet 15 levels.

The upper diameter of the pin shaft 8 is smaller than the diameter of the middle part. The diameters of the middle part and the lower part of the pin shaft 8 are consistent. So that the steel plate 15 can be supported by the pin 8.

And also comprises a plurality of latches 10. The side center of the support column 1 is provided with a first pin hole 9. The first pin hole 9 communicates with the counterbore 3. The pin shaft 8 is provided with a second pin hole 11. The plug pin 10 is inserted into the first pin hole 9 and the second pin hole 11. The diameters of the first pin hole 9 and the second pin hole 11 are identical. The diameter of the first pin hole 9 and the diameter of the second pin hole 11 are both smaller than the diameter of the pin shaft 8. Set up bolt 10, further fixed pin axle 8 prevents that the fixed height of round pin axle 8 from changing.

The extension rod 7 is provided with scales. Preferably, the electric push rods 6 with low power are adopted, so that the sum of the loads of the electric push rods 6 is smaller than the gravity of the steel plate 15, the electric push rods 6 cannot push the steel plate 15 after contacting the steel plate 15, the work can be stopped under the action of self overload protection, the electric push rods 6 do not need to be stopped manually, and the flatness of the steel plate 15 can be calculated through the specific scale displayed by the extension rods 7.

The through hole 5 extends to the edge of the support plate 2, and a sliding groove 12 is arranged below the through hole 5 along the length direction of the through hole 5. The electric push rod 6 is provided with a slide block 13, and the slide block 13 is embedded into the slide groove 12. The chute 12 is T-shaped. The slide block 13 is arranged, so that the electric push rod 6 can move, and the range of a measuring area is enlarged.

The use of this embodiment is as follows: firstly, the pin shaft 8 is placed in the counter bore 3, and the bolt 10 is inserted into the first pin hole 9 and the second pin hole 11 to fix the position of the pin shaft 8. The steel plate 15 is then placed with the holes of the steel plate 15 aligned with the pins 8. The position of the electric putter 6 is then adjusted to determine the measurement range. Then, the measurement is started, and the electric push rod 6 is started to determine whether the sound of touching the steel plate 15 is consistent. After the electric push rod 6 stops, the scale data of the extension rod 7 is read, and the flatness is determined.

It should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and are not limited. Although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art will appreciate that various modifications and equivalent arrangements can be made without departing from the scope of the present invention, which is intended to be covered by the appended claims.

Claims

1. A device for detecting the flatness of a steel sheet, comprising an operating station (14), characterized in that: a plurality of supporting columns (1) are arranged on the operating platform (14); a support plate (2) is arranged on the support column (1); a counter bore (3) is formed in the center of the top surface of the supporting column (1), and the depth of the counter bore (3) is greater than 1/2 of the height of the supporting column (1); a plurality of through holes (5) are formed in the supporting plate (2); the supporting plate (2) is also connected with a plurality of uniformly arranged electric push rods (6); an extension rod (7) of the electric push rod (6) is upward and arranged in the through hole (5) of the support plate (2); also comprises a plurality of same pin shafts (8); the pin shaft (8) is inserted into the counter bore (3).

2. The apparatus for inspecting flatness of steel sheets according to claim 1, wherein: the diameter of the upper part of the pin shaft (8) is smaller than that of the middle part; the diameters of the middle part and the lower part of the pin shaft (8) are consistent.

3. The apparatus for inspecting flatness of steel sheets according to claim 1, wherein: also comprises a plurality of bolts (10); a first pin hole (9) is formed in the center of the side face of the supporting column (1); the first pin hole (9) is communicated with the counter bore (3), and a second pin hole (11) is formed in the pin shaft (8); the plug pin (10) is inserted into the first pin hole (9) and the second pin hole (11).

4. A device for detecting the flatness of a steel sheet according to claim 3, wherein: the diameters of the first pin hole (9) and the second pin hole (11) are consistent; the diameter of the first pin hole (9) and the diameter of the second pin hole (11) are both smaller than the diameter of the pin shaft (8).

5. The apparatus for inspecting flatness of steel sheets according to claim 1, wherein: scales are arranged on the extension rod (7).

6. The apparatus for inspecting flatness of steel sheets according to claim 1, wherein: the through hole (5) extends to the edge of the support plate (2), and a sliding groove (12) is arranged below the through hole (5) along the length direction of the through hole (5); the electric push rod (6) is provided with a sliding block (13), and the sliding block (13) is embedded into the sliding groove (12).

7. An apparatus for inspecting flatness of steel sheets as set forth in claim 6, wherein: the sliding groove (12) is T-shaped.