CN219757254U - Strip width measuring and deviation measuring device - Google Patents

Abstract

The utility model discloses a strip width measuring and deviation measuring device which comprises a mounting frame, a mounting seat and a C-shaped frame, wherein the mounting frame is arranged below a strip to be measured; the mounting seat is arranged on the mounting frame and provided with a driving mechanism; the C-shaped frame is arranged on the mounting seat and driven by the driving mechanism to move along the length direction of the mounting seat, the corresponding positions of the upper plate and the lower plate end part of the C-shaped frame are respectively provided with an X-ray emitter and an X-ray receiver, the versatility of the X-ray thickness gauge is realized under the condition that the hardware cost is not increased basically, the function of measuring the width of the strip and the offset of the strip is realized by utilizing the ray generating device and the signal measuring device of the X-ray thickness gauge, the measurement of the width and the offset of the strip can be completed while the thickness of the strip is measured, the cost is lower, the functions are various, the whole volume is smaller, and the space occupation is reduced.

Description

Strip width measuring and deviation measuring device

Technical Field

The utility model relates to the technical field of metal strip production, in particular to a strip width measuring and deviation measuring device.

Background

In the production of metal strip, an X-ray thickness gauge is a commonly used strip thickness measuring instrument. The X-ray thickness gauge is a non-contact dynamic measuring instrument, which measures the thickness of a material by utilizing the characteristic that the change of the intensity of X-rays is related to the thickness of the material when the X-rays penetrate the measured material.

The measurement of the metal strip also includes the measurement of width and length and offset, and conventional width measurement is usually performed by using a laser full width detection technology, which has a complex structure and is expensive to manufacture and maintain. The utility model patent of China with the application number of 201820400890.9 discloses an accurate width measuring device for a metal plate belt, when the device is used, the detected metal plate belt passes through the upper part of a calibration ruler and a bracket assembly thereof, the positions of the edges of the two sides of the metal plate belt can be photographed and detected in real time through a first photographing sensor and a second photographing sensor, and a signal is sent to a computer control system for calculation, so that the accurate width detection of the metal plate belt is realized, and the device has the advantages of simple structure, easy production and processing, low manufacturing and maintenance cost and contribution to popularization and application in width measurement of all opaque materials.

The above patent suffers from the following drawbacks: 1. according to the description and the drawings, a frame with larger volume is needed to be additionally arranged for arranging the measuring device, the original arrangement structure of a workshop is needed to be considered and correspondingly changed, and the occupied space is large; 2. more hardware devices are added, and the cost is high; 3. the function is single and the deflection of the strip cannot be measured.

Disclosure of Invention

The utility model aims to overcome the existing defects, provides the strip width measuring and deviation measuring device, realizes the versatility of the X-ray thickness measuring instrument under the condition of basically not increasing the hardware cost, can measure the strip thickness and simultaneously finish the measurement of the strip width and deviation, has low cost and various functions, and can effectively solve the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the strip width measuring and deviation measuring device comprises a mounting frame, a mounting seat and a C-shaped frame, wherein the mounting frame is arranged below a strip to be measured; the mounting seat is arranged on the mounting frame and provided with a driving mechanism; the C-shaped frame is arranged on the mounting seat and driven by the driving mechanism to move along the length direction of the mounting seat, and the corresponding positions of the ends of the upper plate and the lower plate of the C-shaped frame are respectively provided with an X-ray emitter and an X-ray receiver.

As a preferable technical scheme of the utility model, the driving mechanism comprises a first driving motor and a sliding frame, wherein the first driving motor is fixedly arranged on the side surface of the mounting seat, and an output shaft of the first driving motor penetrates into a sliding groove arranged on the upper surface of the mounting seat and is connected with the driving screw rod through a coupler; the sliding frame is arranged in the sliding groove in a sliding way, a screw hole corresponding to the driving screw is formed in the side surface of the inner part of the sliding groove, the driving screw is in threaded connection with the screw hole, and the C-shaped frame is arranged on the upper surface of the sliding frame.

As a preferable technical scheme of the utility model, the upper surface of the mounting seat is provided with a distance measuring device for positioning the position of the sliding frame.

As a preferable technical scheme of the utility model, a third driving motor is arranged at a position, far away from the X-ray emitter, in the sliding frame, and an output shaft of the third driving motor penetrates out of the upper surface of the sliding frame and is fixedly connected with the rotating frame, and the rotating frame penetrates out of the upper surface of the C-shaped frame and is fixedly connected with the C-shaped frame through bolts.

Compared with the prior art, the utility model has the beneficial effects that: the multifunctional X-ray thickness gauge is realized under the condition that the hardware cost is not increased basically, the function of measuring the width of the strip and the offset of the strip is realized by utilizing the ray generating device and the signal measuring device of the X-ray thickness gauge, the measurement of the width and the offset of the strip can be finished when the thickness of the strip is measured, the cost is lower, the functions are various, the whole volume is smaller, and the space occupation is reduced.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic side view of the present utility model;

FIG. 3 is a schematic top view of the present utility model;

FIG. 4 is a schematic view of the utility model in operation when measuring a wider strip;

fig. 5 is a schematic view showing the operation of the present utility model when measuring a moving strip.

In the figure: 1 mounting frame, 2 mounting seats, 3 driving mechanisms, 31 sliding grooves, 32 first driving motors, 33 driving screws, 34 sliding frames, 35 distance measuring devices, 4C frames, 5X ray receivers, 6X ray transmitters, 7 rotating frames, 8 limiting rods, 9 proximity switches, 10 second driving motors, 11 guide rail grooves and 12 positioning devices.

Description of the embodiments

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-5, the present utility model provides a technical solution: the strip width measuring and deviation measuring device comprises a mounting frame 1, a mounting seat 2 and C-shaped frames 4, wherein the mounting frame 1 is arranged below a strip to be measured, the strip to be measured passes between the C-shaped frames 4 above the mounting frame 1 under the drive of a conveying roller or a winding roller, and the thickness, the width, the deviation and the like are detected by an X-ray thickness gauge arranged on the strip to be measured; the mounting seat 2 is arranged on the mounting frame 1, the mounting seat 2 is provided with a driving mechanism 3, the C-shaped frame 4 is arranged on the mounting seat 2 and is driven by the driving mechanism 3 to move along the length direction of the mounting seat 2, the driving mechanism 3 can be a driving screw or a linear driving device such as a rodless electric cylinder or a linear motor, and the length direction of the mounting seat 2 is vertical to the length direction of the strip, so that the C-shaped frame 4 can move transversely relative to the strip to measure the width, the offset and the like; the corresponding positions of the upper plate and the lower plate end of the C-shaped frame 4 are respectively provided with an X-ray emitter 6 and an X-ray receiver 5 to form an X-ray thickness gauge.

When the thickness of the strip is measured, the driving mechanism 3 drives the C-shaped frame 4 to move, and when the C-shaped frame moves to the edge of the strip, the strip shields the window of the X-ray receiver 5, and the ionization chamber measures signal attenuation. When the shielding area reaches 1/2 of the total area of the window, the ionization chamber measurement signal is just attenuated to half of the full signal range, and the position of the C-shaped frame is recorded; the C-frame continues to move forward and the ionization chamber measurement signal decays to a minimum. When the C-frame moves to the other edge of the strip, the ionization chamber measurement signal again begins to increase. Recording the C-shaped frame position measured by the rotary encoder when the ionization chamber measurement signal returns to half of the full signal range; the difference between this position and the last recorded position is the strip width.

In measuring the deflection of the strip, the position of the strip edge can be calculated with the strip width known. The driving mechanism 3 drives the C-shaped frame 4 to move to the position, if the belt material is centered, the belt material just shields 1/2 of the total area of the window of the X-ray receiver 5, and the ionization chamber measurement signal is just half of the full signal range. If the strip material is offset, the ionization chamber measurement signal increases or decreases (depending on the direction of the offset), the relative amount of signal increase or decrease being proportional to the relative amount of change in the occlusion area, and the offset being calculated from the geometry of the occlusion area and the offset.

In a preferred technical scheme, the driving mechanism 3 comprises a first driving motor 32 and a sliding frame 34, wherein the first driving motor 32 is fixedly arranged on the side surface of the mounting seat 2, and an output shaft of the first driving motor 32 penetrates into a sliding groove 31 arranged on the upper surface of the mounting seat 2 and is connected with a driving screw 33 through a coupling; the sliding frame 34 is arranged in the sliding groove 31 in a sliding mode, screw holes corresponding to the driving screw rods 33 are formed in the side surfaces of the inner portions of the sliding groove 31 of the sliding frame 34, the driving screw rods 33 are in threaded connection with the screw holes, the C-shaped frame 4 is mounted on the upper surface of the sliding frame 34, the sliding frame 34 is driven to move in the sliding groove 31 by the driving screw rods 33 through the first driving motor 32, the sliding frame 34 can drive the C-shaped frame 4 to move along the length direction of the mounting seat 2, and the width or the offset of a strip is measured.

Alternatively, the chute 31 is inverted T-shaped, and the carriage 34 is I-shaped, so that the movement is more stable.

In a preferred technical solution, the upper surface of the mounting base 2 is provided with a distance measuring device 35 for positioning the position of the carriage 34, the distance measuring device 35 is preferably a distance measuring sensor, and a laser distance measuring sensor, an infrared distance measuring sensor, or an ultrasonic distance measuring sensor commonly used in the prior art can be selected for use, and when the carriage 34 moves, the position of the carriage 34 can be positioned by measuring the distance between the carriage 34 and the distance measuring device 35, and the width, the offset, and the like of the strip can be analyzed and calculated by the controller.

Further preferably, the two distance measuring devices 35 are symmetrically arranged at two ends of the upper surface of the mounting seat 2, and the two sides of the sliding frame 34 are subjected to distance measurement and positioning through the two distance measuring devices 35, so that the positioning accuracy can be further improved, and the measurement is more accurate.

According to the preferred technical scheme, due to the fact that the length of the C-shaped frame 4 is limited, the length of the C-shaped frame 4 is insufficient when a wider strip is measured, the measurement of the width and the offset of the wider strip is difficult to achieve, the C-shaped frame 4 is arranged to be rotatable, the C-shaped frame 4 can move along the width direction of the strip after being rotated by 90 degrees, specifically, a third driving motor is mounted at a position, far away from the X-ray emitter 6, in the sliding frame 34, an output shaft of the third driving motor penetrates out of the upper surface of the sliding frame 34 and is fixedly connected with the rotating frame 7, the rotating frame 7 penetrates out of the upper surface of the C-shaped frame 4 and is fixedly connected with the rotating frame 7 through bolts, the third driving motor can drive the C-shaped frame 4 to rotate on the mounting seat 2 through the rotating frame 7, the rotating range is limited to be 0-90 degrees, the moving direction of the strip to be measured can only face the direction of the strip, after the C-shaped frame 4 and the moving direction of the strip are in the same straight line, the end part is suspended during movement, the end part is enabled to move inside the C-shaped frame 4, and then the width direction of the strip can move along the width direction of the strip under the driving mechanism and the driving mechanism is not suspended, the width direction of the strip is measured.

According to the further preferred technical scheme, the upper surface of the mounting seat 2 is provided with the limiting rod 8 corresponding to the C-shaped frame 4, and the side surface of the limiting rod 8 is provided with the two proximity switches 9 which are 90 degrees apart, so that the rotation range of the C-shaped frame 4 is 0-90 degrees, one of the two proximity switches 9 is arranged in the direction facing the strip, the other is arranged at the corresponding position of the C-shaped frame 4 after rotating by 90 degrees, the movement range of the C-shaped frame 4 can be limited through the two proximity switches 9, and the switch of the third driving motor is automatically controlled through the controller, so that the degree of automation is improved, and the use is more convenient.

In order to measure the width and the offset of a moving strip at a certain straight line, we also provide another preferable technical scheme, specifically, a second driving motor 10 is installed at the position, corresponding to the mounting seat 2, of the lower surface of the mounting frame 1, the output shaft of the second driving motor 10 penetrates out of the upper surface of the mounting frame 1 and is connected with the mounting seat 2, namely, the second driving motor 10 can drive the mounting seat 2 to rotate, the rotation direction is opposite to the movement direction of the C-shaped frame 4, the rotation range is smaller than 90 degrees, when the moving strip is measured, the strip continuously moves forwards at a constant speed, the mounting seat 2 rotates to the movement direction of the strip under the driving of the second driving motor 10, the driving mechanism 3 drives the C-shaped frame 4 to move forwards, meanwhile, the C-shaped frame 4 reversely rotates under the driving of the third driving motor, so that the C-shaped frame 4 is always kept in a state perpendicular to the movement direction of the strip, the speed of the driving motors and the driving mechanism is controlled by a controller, so that the X-ray meter at the end part of the C-shaped frame 4 moves along a straight line parallel to the width direction of the material, and the thickness of the moving strip can be measured by adopting the measuring method.

Further preferably, the upper surface of the mounting frame 1 is provided with an arc-shaped guide rail groove 11 taking the center of the circle of the output shaft of the second driving motor 10 as the center, the arc-shaped guide rail groove 11 is arc-shaped smaller than 90 degrees, and can be 85-89 degrees, the lower surface of the end part of the mounting seat 2 is provided with a sliding block sliding in the guide rail groove 11, and when the mounting seat 2 rotates under the driving of the second driving motor 10, the sliding block slides in the guide rail groove 11, and the stability of the mounting seat 2 in the rotating process can be ensured while the moving range of the mounting seat 2 is limited.

The preferred technical scheme, a plurality of recesses have evenly been seted up to the inside upper surface in guide rail groove 11, and the quantity of recess can be 10-180 inequality, sets up according to specific control accuracy, installs the positioner 12 that is used for fixing a position mount pad 2 position in the recess, and positioner 12 optional is ambient light sensor or proximity sensor, and the preferred is proximity sensor, and it does not just receive the influence of workshop dust or impurity, detects more accurately.

The first driving motor 32, the second driving motor 10, the third driving motor, the ranging sensor, the X-ray receiver 5, the X-ray emitter 6, the proximity switch 9, the positioning device and the like are all electrically connected with an external controller and are powered by an external power supply; the controller may also be provided on the mounting 1 to facilitate real time operation of the measurement. The controller can adopt a PLC controller or a singlechip which is commonly used in the prior art, and is preferably a Mitsubishi FX2N series PLC controller.

When the mounting seat 2 rotates under the drive of the second driving motor 10, the sliding block on the lower surface of the end part slides in the guide rail groove 11, the upper surface of the positioning device 12 is lower than the upper surface of the groove, so that the sliding block can not contact with the positioning device 12, when the sliding block moves to the positioning device 12, the sliding block is sensed by the sliding block, the corresponding sensor detection value changes and transmits corresponding signals to the controller, the controller can determine the position of the mounting seat 2, and the rotating speed of the mounting seat 2 can be judged according to the interval time when the detection value of the adjacent positioning device 12 changes, so that the moving speed of a corresponding strip is convenient to control the rotating speed of the mounting seat 2.

The controller, the first driving motor 32, the second driving motor 10, the third driving motor, the ranging sensor, the X-ray receiver 5, the X-ray emitter 6, the proximity switch 9, the positioning device and the like used in the present utility model are all commonly used electronic components in the prior art, and the specific structure, the working principle, the circuit connection and the like are all known technologies and are not described in detail herein.

The non-disclosed parts of the utility model are all prior art, and the specific structure, materials and working principle thereof are not described in detail. Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (8)

1. A strip width and deflection measuring device, comprising:

the mounting frame (1) is arranged below the strip to be tested;

the mounting seat (2), the mounting seat (2) is arranged on the mounting frame (1), and the driving mechanism (3) is arranged on the mounting seat (2);

c type frame (4), C type frame (4) set up on mount pad (2) and by actuating mechanism (3) drive along the length direction of mount pad (2) remove, C type frame (4) upper plate and the corresponding position of hypoplastron tip are provided with X ray emitter (6) and X ray receiver (5) respectively.

2. The strip width and deflection measuring device of claim 1, wherein: the driving mechanism (3) comprises

The first driving motor (32), the first driving motor (32) is fixedly arranged on the side surface of the mounting seat (2), and an output shaft of the first driving motor (32) penetrates into a chute (31) formed in the upper surface of the mounting seat (2) and is connected with the driving screw (33) through a coupler;

the sliding frame (34), sliding frame (34) slide in spout (31) and set up, and sliding frame (34) are seted up the screw that corresponds with drive screw (33) at the side surface of spout (31) inner portion, and drive screw (33) and screw threaded connection, C type frame (4) are installed at the upper surface of sliding frame (34).

3. The strip width and deflection measuring device of claim 2, wherein: the upper surface of the mounting seat (2) is provided with a distance measuring device (35) for positioning the position of the sliding frame (34).

4. The strip width and deflection measuring device of claim 2, wherein: the X-ray detector is characterized in that a third driving motor is arranged at a position, far away from the X-ray emitter (6), in the sliding frame (34), an output shaft of the third driving motor penetrates out of the upper surface of the sliding frame (34) and is fixedly connected with the rotating frame (7), and the rotating frame (7) penetrates out of the upper surface of the C-shaped frame (4) and is fixedly connected with the C-shaped frame through bolts.

5. The strip width and deflection measuring device of claim 4, wherein: the upper surface of mount pad (2) is provided with gag lever post (8) corresponding with C type frame (4), and the side surface of gag lever post (8) is provided with two proximity switches (9) at a distance of 90 degrees, makes the rotation scope of C type frame (4) be 0-90 degrees.

6. The strip width and deflection measuring device of claim 1, wherein: the lower surface of mounting bracket (1) is installed second driving motor (10) with mount pad (2) corresponding department, and the output shaft of second driving motor (10) wears out the upper surface of mounting bracket (1) and is connected with mount pad (2).

7. The strip width and deflection measuring device of claim 6, wherein: an arc-shaped guide rail groove (11) taking the center of the circle of the output shaft of the second driving motor (10) as the center of the circle is formed in the upper surface of the mounting frame (1), and a sliding block sliding in the guide rail groove (11) is arranged on the lower surface of the end part of the mounting seat (2).

8. The strip width and deflection measuring device of claim 7, wherein: the upper surface of the interior of the guide rail groove (11) is uniformly provided with a plurality of positioning devices (12) for positioning the position of the mounting seat (2).