CN215832653U - Strip steel length measuring device - Google Patents
Strip steel length measuring device Download PDFInfo
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- CN215832653U CN215832653U CN202122105279.8U CN202122105279U CN215832653U CN 215832653 U CN215832653 U CN 215832653U CN 202122105279 U CN202122105279 U CN 202122105279U CN 215832653 U CN215832653 U CN 215832653U
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Abstract
The utility model provides a strip steel length measuring device, comprising: the roller and a bearing structure which is rotationally connected with the two ends of the roller; a plurality of trigger structures which are coaxial with the roller are arranged on one end face of the roller, the projections of the trigger structures on the side face of the roller are the same in shape, and the projections are sequentially connected or distributed at equal intervals; the trigger device is used for respectively contacting with the plurality of trigger structures, forming a loop when in contact and then generating a trigger signal; and the main controller is electrically connected with the triggering device and used for calculating the length of the strip steel according to the triggering signal. The roller is characterized in that a plurality of trigger structures are arranged on one end face of the roller, corresponding trigger devices are arranged, the trigger structures are used as conductors, and trigger signals can be generated when the trigger devices are in contact with the trigger structures, so that a plurality of trigger signals can be generated when the roller rotates for one circle, the length corresponding to each trigger signal is relatively small, and therefore the generated error is small; in addition, the problem of slow measuring speed caused by reducing the circumference of the roller is avoided.
Description
Technical Field
The utility model relates to the technical field of strip steel cutting, in particular to a strip steel length measuring device.
Background
The strip steel is taken as an important material, and the strip steel needs to be cut into corresponding lengths according to relevant standards and customer requirements at the time of factory production and then wound and packaged, wherein the length measurement of the strip steel is the most important part in the process. In the prior art, a metering wheel is mostly adopted, the metering wheel is contacted with the strip steel, then a rotation signal of the metering wheel rotating on the strip steel is collected, and the length is calculated according to the rotation signal.
The metering wheel is basically made of plastic materials, and friction is damaged after the metering wheel is used for a long time, so that the radius of the metering wheel is reduced, and the measurement is inaccurate. In the prior art, a roller is adopted and is contacted with strip steel through the roller, and then a rotation signal of the roller is acquired.
Whether the metering wheel or the roller is adopted, the collected rotation signals basically represent the number of rotation turns, the counting is carried out once every rotation turn, but the perimeter of the roller is generally very large, and a large error can occur when a counting error occurs; if the circumference of the roll is directly reduced, the measurement speed will be slow when the angular speed of rotation is constant.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects in the prior art, the utility model provides a strip steel length measuring device.
In one embodiment, the present invention provides a strip length measuring device comprising:
the roller and a bearing structure which is rotationally connected with the two ends of the roller;
a plurality of trigger structures which are coaxial with the roller are arranged on one end face of the roller, the projections of the trigger structures on the side face of the roller are the same in shape, and the projections are sequentially connected or distributed at equal intervals;
the trigger device is used for respectively contacting with the plurality of trigger structures, forming a loop when in contact and then generating a trigger signal; the plurality of trigger structures are sequentially contacted with the trigger device along with the rotation of the roller;
and the main controller is electrically connected with the triggering device and used for calculating the length of the strip steel according to the triggering signal.
In one embodiment, the trigger structure is an arcuate structure.
In one embodiment, the radiuses of the arc structures are different, the number of the trigger devices is the same as that of the arc structures, and the trigger devices correspond to the arc structures one to one.
In one embodiment, the device for measuring the length of the strip further comprises:
and the sensor is electrically connected with the main controller and used for detecting the rotation direction of the roller.
In one embodiment, further comprising:
and the display is electrically connected with the main controller and is used for displaying the calculation result of the length of the strip steel and the oscillogram corresponding to the trigger signal in real time.
In one embodiment, the device for measuring the length of the strip further comprises:
the alarm is electrically connected with the main controller;
the alarm is used for carrying out corresponding alarm prompt on the fault of the trigger device under the control of the main controller.
In one embodiment, there are three arc structures and three triggering devices.
In one embodiment, the device for measuring the length of the strip further comprises:
a support bar;
the plurality of trigger devices are respectively fixed on different positions of the supporting rod.
In one embodiment, the support bar is fixed to the support structure.
In one embodiment, the trigger device includes a positive contact and a negative contact.
Through the strip steel length measuring device, a plurality of trigger structures are arranged on one end face of the roller, corresponding trigger devices are arranged, the trigger structures are used as conductors, and when the trigger devices are in contact with the trigger structures, trigger signals can be generated, so that when the roller rotates for one circle, a plurality of trigger signals can be generated, the length corresponding to each trigger signal is relatively small, and the generated error is small; in addition, the problem of slow measuring speed caused by reducing the circumference of the roller is avoided.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Wherein:
FIG. 1 is a schematic circuit diagram of a strip length measuring apparatus according to an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a strip steel length measuring device according to an embodiment of the present invention;
fig. 3 is a left side view of fig. 2.
In the above drawings: 1. a roller; 2. a support structure; 3. an arc-shaped structure; 4. a trigger device; 5. a support rod.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.
As shown in fig. 1, 2 and 3, in one embodiment, the present invention provides a strip length measuring apparatus comprising:
the roller comprises a roller 1 and a bearing structure 2 which is rotationally connected with two ends of the roller 1;
a plurality of trigger structures which are coaxial with the roller 1 are arranged on one end face of the roller 1, the trigger structures are arc-shaped structures 3 in the embodiment, projections of the arc-shaped structures 3 on the side face of the roller 1 are sequentially connected or distributed at equal intervals, and radians of the arc-shaped structures 3 are the same;
a trigger device 4 for contacting with the plurality of arc structures 3 respectively, forming a loop when contacting, and then generating a trigger signal; the arc-shaped structures 3 are sequentially contacted with the trigger device 4 along with the rotation of the roller 1;
and the main controller is electrically connected with the triggering device 4 and is used for calculating the length of the strip steel according to the triggering signal and the size information of the roller 1.
The arc structures 3 are the same in radian, so that the corresponding circumferential angles of the roller 1 rotating for one circle are basically equally divided, when the measurement is carried out, the roller 1 rotates, the arc structures 3 rotate together with the roller 1, the corresponding arc structures 3 are in contact with the trigger device 4, a loop is formed, the circuit is conducted, and the trigger device 4 generates a trigger signal and sends the trigger signal to the master controller. The trigger signal is high level, the duration of the high level is related to the radian of the arc-shaped structures 3 and the rotating speed of the roller 1, each high level represents a metering length, and the metering length is related to the number of the arc-shaped structures 3 and the size parameters of the roller 1, specifically, one metering length is equal to the circumference of the roller 1/the number of the arc-shaped structures 3; and after the measurement is finished, the main controller counts the number of the high levels to determine the length of the strip steel.
Wherein, if a plurality of arc structures 3's radius is the same, then mean that a plurality of arc structures 3 are on same circle, because this embodiment needs statistics trigger signal's quantity, consequently a plurality of arc structures 3 are in the equidistant distribution of projection on the side of roller 1, and this interval is used for forming the breakpoint to guarantee that a plurality of high levels can not link to each other and form a high level and lead to unable statistics quantity. Through the strip steel length measuring device, a plurality of arc-shaped structures 3 are arranged on one end face of the roller 1, corresponding trigger devices 4 are arranged, the arc-shaped structures 3 are used as conductors, and trigger signals can be generated when the trigger devices 4 are in contact with the arc-shaped structures 3, so that when the roller 1 rotates for one circle, a plurality of trigger signals can be generated, the length corresponding to each trigger signal is relatively small, and the generated error is small; in addition, the problem of slow measuring speed caused by reducing the circumference of the roller 1 is avoided.
In one embodiment, the trigger structure may also be any other shape structure.
As shown in fig. 2 and 3, in one embodiment, the radii of the plurality of arc structures 3 are different, the number of the triggering devices 4 is the same as that of the arc structures 3, and the triggering devices 4 and the arc structures 3 correspond to each other one by one.
Wherein, when the radius of a plurality of arc structures 3 is different, can set up trigger device 4 on the circle that corresponds respectively, then the amplitude of the high level that generates through controlling a plurality of trigger device 4 is different each other to can confirm corresponding arc structure 3 according to the amplitude of high level, also avoid the problem that the radius of a plurality of arc structures 3 is the same and adopt the unable statistics quantity that a trigger device 4 brought, consequently in this embodiment, the projection of a plurality of arc structures 3 on the side of roller 1 can the equidistant distribution, also can connect gradually, the flexibility is higher.
As shown in fig. 1, in an embodiment, the strip length measuring apparatus further includes:
and the sensor is electrically connected with the main controller and used for detecting the rotation direction of the roller.
However, in the measurement, the roller rotates forward or backward, but a corresponding trigger signal is generated regardless of the rotation, and therefore, a sensor is required to detect the rotation direction of the roller. A trigger signal generated in a forward rotation state is correspondingly added with a metering length; and a trigger signal generated in a reverse state is correspondingly subtracted by a metering length.
Through adding the sensor that is used for detecting the direction of rotation of roller, be applicable to actual measurement process more, improved measurement accuracy.
As shown in fig. 1, in one embodiment, the method further includes:
and the display is electrically connected with the main controller and is used for displaying the calculation result of the length of the strip steel and the oscillogram corresponding to the trigger signal in real time.
The operator can better arrange and configure the subsequent operation according to the displayed calculation result; through the oscillogram, an operator can find whether the statistical quantity is wrong or not, timely adjustment is facilitated, for example, if a certain trigger device is damaged and cannot generate a high level of a corresponding amplitude value, the high level of the amplitude value is lacked in the oscillogram, and at the moment, the error condition of the current statistical quantity can be determined according to the lacked quantity of the high level of the amplitude value.
As shown in fig. 1, in an embodiment, the strip length measuring apparatus further includes:
the alarm is electrically connected with the main controller;
the alarm is used for carrying out corresponding alarm prompt on the fault of the trigger device under the control of the main controller.
Wherein, when operating personnel did not look over the oscillogram of display output in time, the opportunity of adjustment may be missed, consequently through the supplementary warning of alarm, when trigger device appears damaging, the master controller can discern that the high level that corresponds the amplitude lacks to control the alarm and send corresponding alarm information and indicate that certain trigger device has damaged, provided the reliability of device.
In one embodiment, the alarm comprises:
an audible alarm and/or a light alarm.
The sound alarm can realize fault alarm of different trigger devices by emitting sounds with different loudness, and similarly, the light alarm can realize fault alarm of different trigger devices by emitting lights with different colors.
As shown in fig. 2 and 3, in one embodiment, the arc-shaped structure 3 and the triggering device 4 are provided in three numbers.
The circumference of the roller 1 which is commonly used at present is about three meters, and when the three arc-shaped structures 3 are arranged, the length corresponding to each arc-shaped structure 3 is about one meter.
As shown in fig. 2 and 3, in one embodiment, the strip length measuring apparatus further includes:
a support bar 5;
the plurality of triggering devices 4 are respectively fixed on different positions of the supporting rod 5.
Wherein, since the plurality of triggering devices 4 need to be located on the same reference line, the plurality of triggering devices 4 are integrated through the supporting rod 5, thereby improving reliability.
In one embodiment, as shown in figures 2 and 3, the support bar 5 is fixed to the supporting structure 2.
The supporting structure 2 itself serves as a fixing part, so that the supporting rod 5 can be fixed thereon, and the structure of the device is simplified.
In one embodiment, the trigger device includes a positive contact and a negative contact.
When the positive contact part and the negative contact part are both in contact with the corresponding arc-shaped structures, the positive electrode and the negative electrode of the internal circuit of the trigger device are communicated, and therefore a trigger signal is generated. In other embodiments, the trigger device may have only one positive contact, and the arc structure needs to be grounded so that current flows from the positive contact through the arc structure to ground to generate the trigger signal.
The technical features of the above embodiments can be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the above embodiments are not described, but should be considered as the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above examples are merely illustrative of several embodiments of the present invention, and the description thereof is more specific and detailed, but not to be construed as limiting the scope of the utility model. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (10)
1. A strip length measuring device, comprising:
the roller bearing structure is rotatably connected with two ends of the roller;
a plurality of trigger structures which are coaxial with the roller are arranged on one end face of the roller, the projections of the trigger structures on the side face of the roller are the same in shape, and the projections are sequentially connected or distributed at equal intervals;
the trigger device is used for respectively contacting with the plurality of trigger structures, forming a loop when in contact and then generating a trigger signal; the plurality of trigger structures are sequentially contacted with the trigger device when rotating along with the rotation of the roller;
and the main controller is electrically connected with the triggering device and used for calculating the length of the strip steel according to the triggering signal.
2. The strip length measuring apparatus of claim 1, wherein the trigger structure is an arc-shaped structure.
3. The strip steel length measuring device according to claim 2, wherein the radii of the plurality of arc structures are different, the number of the triggering devices is the same as that of the arc structures, and the triggering devices correspond to the arc structures one to one.
4. The strip steel length measuring apparatus according to claim 3, further comprising:
and the sensor is electrically connected with the main controller and is used for detecting the rotation direction of the roller.
5. The strip steel length measuring apparatus according to claim 4, further comprising:
and the display is electrically connected with the main controller and is used for displaying the calculation result of the length of the strip steel and the oscillogram corresponding to the trigger signal in real time.
6. The strip steel length measuring apparatus according to claim 5, further comprising:
the alarm is electrically connected with the main controller;
the alarm is used for carrying out corresponding alarm prompt on the fault of the trigger device under the control of the master controller.
7. The strip length measuring apparatus of claim 3 wherein there are three of said arcuate structures and said trigger means.
8. The strip steel length measuring apparatus according to claim 3, further comprising:
a support bar;
the plurality of trigger devices are respectively fixed on different positions of the supporting rod.
9. The strip length measuring apparatus of claim 8, wherein said support rods are fixed to said support structure.
10. The strip length measuring apparatus of claim 1, wherein the triggering means includes a positive contact portion and a negative contact portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122105279.8U CN215832653U (en) | 2021-09-01 | 2021-09-01 | Strip steel length measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122105279.8U CN215832653U (en) | 2021-09-01 | 2021-09-01 | Strip steel length measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215832653U true CN215832653U (en) | 2022-02-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122105279.8U Active CN215832653U (en) | 2021-09-01 | 2021-09-01 | Strip steel length measuring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215832653U (en) |
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2021
- 2021-09-01 CN CN202122105279.8U patent/CN215832653U/en active Active
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