CN218822217U

CN218822217U - Stainless steel sheet surface flatness detection device

Info

Publication number: CN218822217U
Application number: CN202222675496.5U
Authority: CN
Inventors: 仇金模; 张宇豪; 谭嘉韵; 唐苹捷; 张雪莲
Original assignee: Foshan Nanhai Yuhui Baoye Stainless Steel Products Co ltd
Current assignee: Foshan Nanhai Yuhui Baoye Stainless Steel Products Co ltd
Priority date: 2022-10-10
Filing date: 2022-10-10
Publication date: 2023-04-07
Anticipated expiration: 2032-10-10

Abstract

The utility model discloses a stainless steel sheet surface flatness detection device, which comprises a detection table and a detection rod suspended above the detection table, wherein a suspender is fixed at the middle position of the upper surface of the detection rod, an alarm is arranged at the front side of the suspender, a controller is arranged at the rear side of the suspender, a moving structure is arranged at the upper end of the suspender, and the moving structure is used for controlling the detection rod to move horizontally; the lower surface of the detection rod is provided with a long and narrow guide hole, a plurality of distance measuring sensors are distributed in the detection rod along the length direction, the distance measuring sensors penetrate through the guide hole and extend out of the lower surface of the detection rod, and the distance measuring sensors can slide along the length direction of the guide hole. The utility model discloses a whether stainless steel surface levels is judged to the difference of the detection distance value on the same longitudinal line of stainless steel surface to a plurality of range finding sensors, has effectively avoided the problem that traditional art utilized a pair of laser correlation sensor detection time measuring range to limit to, is favorable to improving detection effect's accurate nature.

Description

Stainless steel sheet surface flatness detection device

Technical Field

The utility model belongs to the technical field of the corrosion resistant plate detects technique and specifically relates to a corrosion resistant plate surface flatness detection device.

Background

The stainless steel plate is alloy steel which is not easy to rust, and the stress generated on the surface is not uniform after the stainless steel plate is subjected to the pressure of a rolling mill due to the fact that the chemical components in the plate are not consistent in the rolling production process, so that the defect of surface flatness is caused. In order to control the quality of the finished steel plate, the flatness of the steel plate must be detected, and the cost of the equipment used for detecting the flatness of the steel plate is high nowadays, and professional personnel are required for control and use, so that the cost of enterprises is increased.

For this reason, the Chinese patent: the application number is CN 202120619705.7's a corrosion resistant plate surface defect detection device, it discloses through being provided with base, supporting seat, cylinder, shifting chute, threaded rod, positive and negative rotation motor, U-shaped board, recess, movable block, laser emission end and laser receiving terminal, utilizes laser emission end and laser receiving terminal to press close to corrosion resistant plate surface, whether can normally receive according to laser and detect corrosion resistant plate's roughness.

However, although the flatness of the stainless steel plate can be detected to a certain extent according to whether the laser can be normally received, the laser emitting end and the laser receiving end are respectively arranged at the edges of two sides of the stainless steel plate, and the unevenness can be detected only when two sides of the stainless steel plate protrude out from the middle, and the heights of two sides of the stainless steel plate are kept consistent, when the middle part is concave, the abnormality cannot be detected, the detection result of the whole equipment can still be judged to be qualified, and a large error exists in the detection result.

Therefore, the device for detecting the surface flatness of the stainless steel plate is provided to solve the problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a stainless steel sheet material surface flatness detection device to it utilizes a pair of laser emission end and laser receiving end to carry out stainless steel sheet flatness detection time measuring to provide prior art in solving above-mentioned background art, and the testing result has the problem of great error.

In order to achieve the above purpose, the utility model provides a following technical scheme:

a stainless steel plate surface flatness detection device comprises a detection table and a detection rod suspended above the detection table, wherein a suspension rod is fixed in the middle of the upper surface of the detection rod, an alarm is arranged on the front side of the suspension rod, a controller is arranged on the rear side of the suspension rod, and a moving structure is mounted at the upper end of the suspension rod and used for controlling the detection rod to horizontally move;

the lower surface of the detection rod is provided with a long and narrow guide hole, a plurality of distance measuring sensors are distributed in the detection rod along the length direction, the distance measuring sensors penetrate through the guide hole and extend out of the lower surface of the detection rod, and the distance measuring sensors can slide along the length direction of the guide hole.

In a further embodiment, the distance measuring sensor is one of a laser distance measuring sensor and an ultrasonic distance measuring sensor.

In a further embodiment, a gear is rotatably mounted at the upper end of the distance measuring sensor, the outer diameter of the gear is larger than the width of the guide hole, a rack is mounted on the inner wall of the rear side of the detection rod, and the gear is in meshed connection with the rack.

In a further embodiment, the moving structure comprises a sliding sleeve fixed to the top end of the hanging rod, a lead screw penetrating through the inside of the sliding sleeve and a servo motor connected to the end of the lead screw, the lead screw is in threaded connection with the sliding sleeve, and a limiting structure is arranged above the sliding sleeve.

In a further embodiment, the outer sides of the two ends of the screw rod are respectively provided with a support rod through a bearing, and the lower end of each support rod is provided with an n-shaped portal.

In a further embodiment, limit structure includes the limiting plate, and the both ends of limiting plate are fixed mutually through the top of bolt and branch, the spout has been seted up to the lower surface of limiting plate, and the inside sliding connection of spout has the stopper, and this stopper is fixed mutually with the sliding sleeve.

In a further embodiment, the upper end of the limiting block is rotatably provided with a ball, and the ball is tightly attached to the top surface of the sliding groove.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses a plurality of range finding sensors of parallel mount in a measuring staff, a plurality of range finding sensors can detect the distance of different positions on the same vertical line of measuring staff and corrosion resistant plate simultaneously, judge whether the corrosion resistant plate surface levels through the difference to the detection distance value simultaneously: when the distance values are consistent, the surface of the stainless steel plate is smooth; when the distance value has the difference, explain corrosion resistant plate surface unevenness, because ranging sensor can detect corrosion resistant plate's a plurality of positions, and then effectively avoided the problem that traditional art utilizes a pair of laser correlation sensor detection time measuring range is limited, be favorable to improving the precision of detection effect.

Drawings

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

FIG. 2 is a right side view cross-sectional structural diagram of the detecting rod and the moving structure of the present invention;

FIG. 3 is a schematic view of the top view of the local cross-section of the detection rod of the present invention;

fig. 4 is a schematic view of a part a of the enlarged structure in fig. 2 according to the present invention.

In the figure: 1. a detection table; 2. a detection lever; 21. a guide hole; 22. a ranging sensor; 23. a gear; 24. a rack; 3. an alarm; 4. a controller; 5. a boom; 6. a sliding sleeve; 7. a lead screw; 8. a servo motor; 9. a strut; 10. an n-type portal; 11. a limiting plate; 111. a bolt; 112. a chute; 12. a limiting block; 121. and a ball.

Detailed Description

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

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 efforts all belong to the protection scope of the present invention.

Referring to fig. 1-2, a device for detecting surface flatness of a stainless steel plate includes a detection table 1 and a detection rod 2 suspended above the detection table 1, the detection table 1 is used for preventing a stainless steel plate, a suspension rod 5 is fixed at a middle position of an upper surface of the detection rod 2, an alarm 3 is disposed at a front side of the suspension rod 5, a controller 4 is disposed at a rear side of the suspension rod 5, the alarm 3 is electrically connected to an output end of the controller 4, so as to alarm and remind when unevenness is detected, the controller 4 can be a single chip microcomputer common in the prior art, the alarm 3 can be a buzzer alarm or an audible and visual alarm common in the prior art, a long and narrow guide hole 21 is formed in a lower surface of the detection rod 2, a plurality of distance measuring sensors 22 are distributed in the detection rod 2 along a length direction, the distance measuring sensors 22 are electrically connected to an input end of the controller 4, so as to transmit detected data to the controller 4, the distance measuring sensors 22 penetrate through the guide hole 21 and extend out of the lower surface of the detection rod 2, and the distance measuring sensors 22 can be a laser distance measuring sensor, but not limited to laser distance measuring sensors, ultrasonic distance measuring sensors, etc.

Referring to fig. 3, in order to further improve the detection accuracy, the distance measuring sensor 22 can slide along the length direction of the guide hole 21, the gear 23 is rotatably installed at the upper end of the distance measuring sensor 22, the outer diameter of the gear 23 is larger than the width of the guide hole 21, the rack 24 is installed on the inner wall of the rear side of the detection rod 2, the gear 23 is in meshed connection with the rack 24, the distance measuring sensor 22 is pulled along the length direction of the guide hole 21, and is meshed with the rack 24 through the rotation of the gear 23, so that the position of the distance measuring sensor 22 can be adjusted, when the local surface of the stainless steel plate needs to be detected more finely, the position of the distance measuring sensor 22 is moved, the distance between detection points on the surface of the stainless steel plate is more concentrated, and the detection accuracy is improved.

Referring to fig. 1-2, in order to improve the efficiency of the detection of the stainless steel plate, a moving structure is installed at the upper end of the suspension rod 5, and the moving structure includes a sliding sleeve 6 fixed to the top end of the suspension rod 5, a screw rod 7 penetrating through the inside of the sliding sleeve 6, and a servo motor 8 connected to the end of the screw rod 7, the screw rod 7 is in threaded connection with the sliding sleeve 6, so that when the servo motor 8 drives the screw rod 7 to rotate, the sliding sleeve 6 can drive the suspension rod 5 to move along the length direction of the screw rod 7, and further drive the detection rod 2 to move transversely, thereby performing large-range detection on the stainless steel plate.

Referring to fig. 1, in order to support the moving structure conveniently, the outer sides of the two ends of the screw 7 are provided with the supporting rods 9 through bearings, the lower ends of the supporting rods 9 are provided with the n-shaped door frames 10, and two supporting points of each n-shaped door frame 10 are distributed at the corners of the detection table 1, so that the surface space occupied by the detection table 1 is reduced, and the stainless steel plate can be conveniently put in and taken out.

Please refer to fig. 1 and 4, considering that the sliding sleeve 6 is in threaded connection with the screw 7, when the screw 7 rotates, the sliding sleeve 6 may deflect axially, a limiting structure is disposed above the sliding sleeve 6, the limiting structure includes a limiting plate 11, and two ends of the limiting plate 11 are fixed to the top of the supporting rod 9 through bolts 111, so that the limiting plate 11 is convenient to disassemble and assemble at the later stage, a sliding groove 112 is disposed on the lower surface of the limiting plate 11, a limiting block 12 is fixed above the sliding sleeve 6, the limiting block 12 extends into the sliding groove 112 and can slide inside the sliding groove 112, so as to limit the sliding sleeve 6, considering that the sliding friction force is large, a ball 121 is rotatably mounted at the upper end of the limiting block 12, the ball 121 is tightly attached to the top surface of the sliding groove 112, the ball 121 contacts with the sliding groove 112, the sliding effect is replaced by rolling of the ball 121 inside the sliding groove 112, so that the friction resistance is greatly reduced, so that the sliding sleeve 6 moves more smoothly, the influence on the detection rod 2 is reduced, and the detection process of the detection rod 2 is more stable.

The working principle is as follows: the stainless steel plate is horizontally placed on the detection table 1, then the distance measurement sensors 22 below the detection rod 2 are started to work, the plurality of distance measurement sensors 22 simultaneously detect the same longitudinal line upper area of the upper surface of the stainless steel plate corresponding to the detection rod 2, each distance measurement sensor 22 corresponds to a detection point at different positions, detection data are transmitted to the controller 4, when the distance values are consistent, the surface of the stainless steel plate is flat, and the moving structure drives the detection rod 2 to move horizontally to detect the next area of the stainless steel plate; when the distance values are different, the surface of the stainless steel plate is not flat, and the controller 4 controls the alarm 3 to alarm and prompt that the plate surface is not flat.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a stainless steel sheet material surface flatness detection device, is detecting platform (1) and hanging in midair and detecting pole (2) in detecting platform (1) top, its characterized in that: a hanging rod (5) is fixed in the middle of the upper surface of the detection rod (2), an alarm (3) is arranged on the front side of the hanging rod (5), a controller (4) is arranged on the rear side of the hanging rod (5), and a moving structure is installed at the upper end of the hanging rod (5) and used for controlling the horizontal movement of the detection rod (2);

the lower surface of the detection rod (2) is provided with a long and narrow guide hole (21), a plurality of distance measuring sensors (22) are distributed in the detection rod (2) along the length direction, the distance measuring sensors (22) penetrate through the guide hole (21) and extend out of the lower surface of the detection rod (2), and the distance measuring sensors (22) can slide along the length direction of the guide hole (21).

2. The device for detecting the surface flatness of the stainless steel plate according to claim 1, wherein: the distance measuring sensor (22) is one of a laser distance measuring sensor and an ultrasonic distance measuring sensor.

3. The device for detecting the surface flatness of the stainless steel plate according to claim 1, wherein: the upper end of the distance measuring sensor (22) is rotatably provided with a gear (23), the outer diameter of the gear (23) is larger than the width of the guide hole (21), the inner wall of the rear side of the detection rod (2) is provided with a rack (24), and the gear (23) is meshed with the rack (24).

4. The device for detecting the surface flatness of the stainless steel plate according to claim 1, characterized in that: the moving structure comprises a sliding sleeve (6) fixed to the top end of the hanging rod (5), a lead screw (7) penetrating through the inside of the sliding sleeve (6) and a servo motor (8) connected to the end of the lead screw (7), the lead screw (7) is in threaded connection with the sliding sleeve (6), and a limiting structure is arranged above the sliding sleeve (6).

5. The device for detecting the surface flatness of the stainless steel plate as claimed in claim 4, wherein: the outer sides of the two ends of the lead screw (7) are respectively provided with a supporting rod (9) through a bearing, and the lower end of each supporting rod (9) is provided with an n-shaped portal (10).

6. The device for detecting the surface flatness of the stainless steel plate according to claim 5, wherein: limiting structure includes limiting plate (11), and the top of bolt (111) and branch (9) is passed through at the both ends of limiting plate (11) is fixed mutually, spout (112) have been seted up to the lower surface of limiting plate (11), and the inside sliding connection of spout (112) has limiting block (12), and this limiting block (12) are fixed mutually with sliding sleeve (6).

7. The device of claim 6, wherein the device for detecting the surface flatness of the stainless steel plate comprises: the upper end of the limiting block (12) is rotatably provided with a ball (121), and the ball (121) is tightly attached to the top surface of the sliding groove (112).