Plate body length measuring mechanism and steel plate length measuring equipment

Abstract

The utility model discloses a plate body length measuring mechanism and steel plate length measuring equipment, and relates to the technical field of plate length measurement. The length measuring device specifically comprises an adjusting seat and a length measuring assembly, the length measuring assembly is connected to the adjusting seat and comprises an adjusting rod, a measuring wheel and an encoder, and the adjusting rod is connected to the adjusting seat and can swing on the adjusting seat in a reciprocating mode; the measuring wheel is connected to the end, away from the adjusting seat, of the adjusting rod, and in the process that the plate body abuts against the measuring wheel, the adjusting rod inclines towards the advancing direction of the plate body till the measuring wheel abuts against the large face of the plate body; the encoder is connected to the adjusting rod, and the input end of the encoder is connected with the shaft body of the measuring wheel. One end of the plate body abuts against the measuring wheel and drives the adjusting rod to rotate, the measuring wheel moves to the position below the plate body and is attached to the lower surface of the plate body, the rotating amplitude of the adjusting rod is suitable for measuring plate bodies of different thicknesses, the pressure of the measuring wheel and the plate body meets the requirement needed by measurement, cooperation of the measuring wheel and the encoder is ensured, and accurate measurement of the plate body is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of plate length measurement, in particular to a plate length measuring mechanism and steel plate length measuring equipment. Background Art

[0002] The plate length measuring mechanism is a professional instrument used to measure the length of steel plates. The instrument can automatically obtain the length of the plate and is used in plate production lines in different industries, such as wood boards, steel plates, gypsum boards, etc., providing accurate data support for the production and processing of the plates. This application takes steel plates as an example.

[0003] At present, in actual production lines, in order to detect the length of steel plates, a combination of a length measuring roller and an encoder is often used. The length measuring roller is fixed on the production line. During the transportation of the steel plate, the length measuring roller is made to fit the upper or lower surface of the steel plate. The friction between the steel plate and the length measuring roller is used to drive the length measuring roller to rotate. The number of rotations of the length measuring roller shaft is obtained by the encoder, and the length information of the steel plate is calculated based on the number of rotations signal and the circumference of the length measuring roller.

[0004] However, during the use of the above solution, due to the differences in the steel plates transported by the trucks, such as the thickness of each steel plate, there are obvious differences in the contact pressure between the length measuring roller and the surface of the steel plate. If the surface contact pressure between the length measuring roller and the steel plate is insufficient, slippage may easily occur between the length measuring roller and the steel plate, and the number of rotations of the length measuring roller shaft cannot truly reflect the actual displacement length of the steel plate. The length of the steel plate calculated by the encoder will be shorter than the actual length, resulting in measurement errors; if the surface contact pressure between the length measuring roller and the steel plate is too large, the length measuring roller will produce elastic deformation, changing the circumference of the length measuring roller. The encoder calculates the length of the steel plate based on the number of rotations multiplied by the changed circumference, which will cause the calculated result to be biased larger.

[0005] Therefore, the present application aims to solve the problem of uniformity of contact pressure between the length measuring roller and the surface of the steel plate, while ensuring the accuracy of the steel plate length measurement. Utility Model Content

[0006] The main purpose of the utility model is to provide a plate length measuring mechanism and a steel plate length measuring device, aiming to improve the uniformity of the pressure of the length measuring roller on the plate surface and ensure the accuracy of the plate length measurement.

[0007] In order to achieve the above-mentioned purpose, the present invention proposes a plate length measuring mechanism, comprising:

[0008] Adjustable seat;

[0009] The length measuring assembly is connected to the adjustment seat and includes:

[0010] An adjusting rod is connected to the adjusting seat and can swing back and forth on the adjusting seat;

[0011] A measuring wheel is connected to the end of the adjusting rod away from the adjusting seat, and when the plate body contacts the measuring wheel, the adjusting rod tilts in the forward direction of the plate body until the measuring wheel contacts the large surface of the plate body;

[0012] An encoder is connected to the adjusting rod, and an input end of the encoder is connected to the shaft of the measuring wheel for identifying the number of rotations of the measuring wheel.

[0013] Furthermore, the length measuring assembly includes a shell, the shell is connected to the adjustment seat, and the adjustment rod is rotatably connected to the shell.

[0014] Furthermore, the middle portion of the adjusting rod is rotatably connected to the housing.

[0015] Furthermore, the housing is provided with an extension portion on at least one side wall in the swinging direction of the adjusting rod, and the extension portion and the outer wall of the adjusting rod are connected to the same elastic member, and the elastic member applies a restoring force in the swinging direction of the adjusting rod.

[0016] Furthermore, the extension portion protrudes from the shell, and a space for placing the elastic member is reserved between the extension portion and the shell.

[0017] Furthermore, the housing is provided with second stoppers on both sides of the swing direction of the adjusting rod to limit the swing amplitude of the adjusting rod.

[0018] Furthermore, it includes a stop plate connected to the shell and / or the adjustment seat, and when the middle part of the adjustment rod is rotationally connected to the shell, the stop plate limits the adjustment rod in the vertical direction.

[0019] Furthermore, it includes a base and a tipping assembly, the adjustment seat is rotatably connected to the base, the tipping assembly is configured on the base, and the output end of the tipping assembly is connected to the adjustment seat to adjust the angle between the adjustment seat and the base.

[0020] Furthermore, the tipping assembly includes a support plate connected to a side wall of the base, and a same telescopic member is connected between the support plate and the adjustment seat.

[0021] The present application also discloses a steel plate length measuring device, which includes a conveyor line, and the above-mentioned plate length measuring mechanism and proximity measurement component are installed below the conveyor line.

[0022] The above technical solution has the following advantages:

[0023] In this application, the adjusting rod of the length measuring assembly is rotated relative to the adjusting seat, so that when the plate contacts the measuring wheel at the end of the adjusting rod, one end of the plate rests against the measuring wheel, driving the adjusting rod to rotate, and the measuring wheel moves to the bottom of the plate and fits the lower surface of the plate, ensuring that the measuring wheel can evenly rest on the surface of the plate. The rotation amplitude of the adjusting rod is suitable for measuring plates of different thicknesses. The pressure between the measuring wheel and the plate meets the measurement requirements, ensuring the cooperation between the measuring wheel and the encoder to achieve accurate measurement of the plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] The present invention will be described in detail below with reference to specific embodiments and accompanying drawings, wherein:

[0025] Figure 1 It is a schematic diagram of the combined structure of the utility model;

[0026] Figure 2 It is a partial structural diagram of the utility model;

[0027] Figure 3 It is a side structural diagram of the utility model.

[0028] In the figure: 1. Base; 2. Tipping assembly; 21. Support plate; 22. Bottom plate; 23. Telescopic member; 24. First stop; 3. Adjusting seat; 4. Length measuring assembly; 41. Shell; 42. Elastic member; 43. Extension; 44. Adjusting rod; 45. Second stop; 46. Encoder; 47. Measuring wheel; 48. Stop plate; 5. Column; 6. Approach measuring assembly. DETAILED DESCRIPTION

[0029] In order to make the purpose, technical solutions and advantages of the present invention more clear, the present invention is described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the following specific embodiments are only used to explain the present invention and do not constitute a limitation to the present invention.

[0030] like Figure 1 and Figure 2 As shown, a plate length measuring mechanism includes an adjusting seat 3 and a length measuring component 4. The length measuring component 4 is connected to the adjusting seat 3 and includes an adjusting rod 44, a measuring wheel 47 and an encoder 46. The adjusting rod 44 is connected to the adjusting seat 3 and can swing back and forth on the adjusting seat 3; the measuring wheel 47 is connected to the end of the adjusting rod 44 away from the adjusting seat 3; the encoder 46 is connected to the adjusting rod 44, and its input end is connected to the shaft of the measuring wheel 47.

[0031] Specifically, the adjusting rod 44 swings relative to the adjusting seat 3, which can drive the measuring wheel 47 and the encoder 46 to swing and adjust. When the plate body contacts the measuring wheel 47, the adjusting rod 44 tilts in the forward direction of the plate body until the measuring wheel 47 abuts against the large surface of the plate body. When the plate body moves horizontally, one end of the plate body relies on the measuring wheel 47, causing the adjusting rod 44 to swing part of the amplitude until the measuring wheel 47 abuts against the upper or lower surface of the plate body, that is, the measurement starts. The preferred plate length measuring mechanism of this application is located below the plate body. During the process, the tilted adjustment rod 44 rests on the lower surface of the plate through the measuring wheel 47. As the measuring wheel 47 continues to roll, the number of rotations of the shaft of the measuring wheel 47 is recognized by the encoder 46 until the plate is separated from the measuring wheel 47, that is, the measurement of the shaft of the measuring wheel 47 is completed. When measuring plates of different thicknesses, the entire process ensures that the measuring wheel 47 is close to the lower surface of the plate, so that the pressure between the measuring wheel 47 and the plate meets the measurement requirements, ensuring the cooperation between the measuring wheel 47 and the encoder 46 to achieve accurate measurement of the plate.

[0032] like Figure 1 and Figure 2 As shown, the length measurement assembly 4 includes a housing 41, which is connected to the adjustment base 3, and an adjustment rod 44 is rotatably connected to the housing 41. In the present application, the housing 41 is installed above the adjustment base 3, so that the end or middle portion of the adjustment rod 44 rotates relative to the housing 41, ensuring that the adjustment rod 44 can swing back and forth on the housing 41. This ensures that when the plate contacts the measuring wheel 47, it can drive the measuring wheel 47 to deflect and abut against the lower surface of the plate, achieving smooth rolling measurement.

[0033] As an embodiment of the present application, in order to reduce the swing amplitude of the adjusting rod 44, the middle part of the adjusting rod 44 is rotatably connected to the shell 41, and the distance between the rotating part of the adjusting rod 44 and the measuring wheel 47 is reduced to ensure the structural strength of the adjusting rod 44.

[0034] like Figure 2As shown, the housing 41 is provided with an extension 43 on at least one side wall in the swinging direction of the adjustment rod 44. The extension 43 and the outer wall of the adjustment rod 44 are connected to the same elastic member 42, and the elastic member 42 applies a restoring force in the swinging direction of the adjustment rod 44. The extension 43 can be an outwardly mounted accessory of the housing 41, such as a reinforcement plate, or can be formed as an integral part of the housing 41 by stamping. One end of the elastic member 42 is mounted on the extension 43, and the other end of the elastic member 42 is mounted on the outer wall of the adjustment rod 44. When the plate body presses the measuring wheel 47, the adjustment rod 44 rotates and drives the measuring wheel 47 to the bottom of the plate body. At this time, the elastic member 42 drives the adjustment rod 44 to rotate, causing the measuring wheel 47 to abut against the bottom of the plate body. The elastic force of the elastic member 42 itself keeps the measuring wheel 47 in close contact with the bottom of the plate body, thereby improving measurement accuracy. The extension portion 43 can be set on one side wall of the shell 41, or on the two opposite side walls of the adjustment rod 44, ensuring that both sides of the adjustment rod 44 are pulled by the elastic member 42 to ensure that the elastic member 42 rebounds after tilting.

[0035] In the present application, the extension 43 protrudes from the shell 41, and a space is reserved between the extension 43 and the shell 41 for placing the elastic member 42. The extension 43 can be set flush with the shell and placed on the inner wall of the shell. In the present application, the extension 43 is preferably formed to protrude outward from the shell 41, that is, integrally formed, so that the elastic member 42 can be placed in the space formed by the extension 43 and the shell 41, which is convenient for hiding the elastic member 42. The extension 43 is preferably opened for easy maintenance. In the space of the extension 43, a photoelectric sensor can also be installed independently, such as Figure 2 The position close to the elastic member 42 is used to obtain a signal indicating whether the adjusting rod 44 is in the vertical direction, so that personnel can know whether the adjusting rod 44 has returned to its original position.

[0036] Specifically, the elastic member 42 can be made of different types of products, such as tension springs, elastic sheets, elastic bands, etc., all of which can pull the adjustment rod 44 to a vertical position or close to a vertical position. The setting of the elastic member 42 needs to ensure that subsequent plates can touch the measuring wheel 47 and drive the adjustment rod 44 to swing to ensure measurement accuracy.

[0037] like Figure 2 As shown, the shell 41 is provided with a second stopper 45 on both sides of the swinging direction of the adjusting rod 44 to limit the swinging amplitude of the adjusting rod 44, wherein the second stopper 45 is connected on both sides of the shell 41, so that when the adjusting rod 44 is swinging, the second stopper 45 can first limit the swinging amplitude of the adjusting rod 44 to prevent the adjusting rod 44 from exceeding the swinging angle and affecting the normal operation of the subsequent measuring wheel 47 and the encoder 46, while also preventing the elastic member 42 from collapsing.

[0038] like Figure 2As shown, the present application includes a stop plate 48 connected to the housing 41 and / or the adjustment seat 3. When the middle portion of the adjustment rod 44 is rotatably connected to the housing 41, the stop plate 48 and one of the second stops 45 jointly limit the adjustment rod 44 in the vertical direction. The stop plate 48 can be installed at the bottom end of the housing 41 or at the top end of the adjustment seat 3. Of course, it can also be installed on both the housing 41 and the adjustment seat 3. When the middle portion of the adjustment rod 44 is rotatably connected to the housing 41, the stop plate 48 at the bottom end contacts the bottom end of the adjustment rod 44. At the same time, the elastic member 42 pulls the adjustment rod 44 to a vertical state, facilitating the contact of the measuring wheel 47 with the subsequent plate body and squeezing the measuring wheel 47 through the plate body until the adjustment rod 44 is in a tilted state, facilitating the measuring wheel 47 and the encoder 46 to jointly measure the length of the plate body.

[0039] like Figure 2 and Figure 3 As shown, the present application includes a base 1 and a tipping assembly 2, wherein an adjustment seat 3 is rotatably connected to the base 1, and the tipping assembly 2 is configured on the base 1, and an output end of the tipping assembly 2 is connected to the adjustment seat 3 to adjust the angle between the adjustment seat 3 and the base 1. The adjustment seat 3 is rotatably connected to the top of the base 1, and the tipping assembly 2 can drive the adjustment seat 3 to flip back and forth on the base 1 through its own driving force; when the plate passes through the measuring wheel 47 to obtain a length value, if the value does not meet the requirements and the plate needs to be retracted, the adjusting seat 3 is driven to rotate by the tipping assembly 2 to ensure that the measuring wheel 47 deviates from the direction of the plate's advance to avoid interfering with the retracted plate.

[0040] In the present application, the tipping assembly 2 includes a support plate 21 connected to one side wall of the base 1, and a telescopic member 23 is connected between the support plate 21 and the adjustment seat 3; the telescopic member 23 can select a cylinder, an electric cylinder or a liquid cylinder, and the pneumatic, hydraulic or electric power of the telescopic member 23 drives the base 1 to achieve a tilting state, reserving a path for the plate to be withdrawn.

[0041] Specifically, the support plate 21 is connected to the base 1 through a rib plate, and a bottom plate 22 is installed on it. The two sides of the bottom plate 22 are tightened and adjusted by bolts, and the connection between the telescopic member 23 and the support plate 21 can be fine-tuned. Two first stops 24 are also installed on the top of the base 1. The two first stops 24 are respectively installed on both sides of the rotation of the adjustment seat 3, so that the adjustment angle of the adjustment seat 3 is limited to the required position, preventing the adjustment seat 3 from rotating out of the range.

[0042] In this application, the first stopper 24 and the second stopper 45 can be provided with different accessories, such as blocks, ribs, and sheet metals. In addition, the first stopper 24 and the second stopper 45 can also be the curling edge of the shell 41 and the curling edge of the top of the base 1 respectively.

[0043] like Figure 1-Figure 3As shown, a steel plate length measurement device includes a conveyor line, below which are mounted the aforementioned plate length measurement mechanism and proximity measurement assembly 6. The proximity measurement assembly 6 is mounted below the conveyor line, either directly on the conveyor line or via a column 5. The only requirement is that the proximity measurement assembly 6 can obtain a signal from the steel plate to determine when the steel plate is at the position of the measuring wheel 47. The proximity measurement assembly 6 can employ a photoelectric sensor, an inductive proximity sensor, an ultrasonic sensor, or the like.

[0044] Among them, when the steel plate passes through the detection area of ​​the photoelectric sensor, it will block or reflect the light beam. After the photoelectric sensor receives this change, it will output a corresponding electrical signal to determine whether the object exists;

[0045] The ultrasonic sensor's built-in transducer converts electrical energy into an ultrasonic signal and transmits it. When the ultrasonic wave hits a steel plate, it is reflected back. The transducer then converts the received reflected wave into an electrical signal. Based on the time difference between transmitting and receiving the ultrasonic wave, the distance between the steel plate and the ultrasonic sensor can be calculated, thereby determining whether the steel plate exists.

[0046] Inductive proximity sensors utilize the principle of electromagnetic induction. They contain a coil. When a steel plate approaches, eddy currents are generated within the plate, changing the coil's inductance. The sensor detects this change in inductance and triggers an output signal, indicating the presence of the steel plate.

[0047] The above description is only a preferred embodiment of the present invention and does not limit the patent scope of the present invention. All equivalent structural transformations made by using the contents of the present invention specification and drawings under the utility model concept, or direct / indirect application in other related technical fields are included in the patent protection scope of the present invention.

Claims

1. A plate length measuring mechanism, characterized in that: include: Adjustment seat (3); The length measuring assembly (4) is connected to the adjusting seat (3), and comprises: An adjusting rod (44) is connected to the adjusting seat (3) and is capable of swinging back and forth on the adjusting seat (3); a measuring wheel (47) connected to an end of the adjusting rod (44) away from the adjusting seat (3), wherein when the plate body contacts the measuring wheel (47), the adjusting rod (44) tilts in the forward direction of the plate body until the measuring wheel (47) contacts the large surface of the plate body; An encoder (46) is connected to the regulating rod (44), and an input end thereof is connected to the shaft of the measuring wheel (47) for identifying the number of rotations of the measuring wheel (47).

2. The plate length measuring mechanism according to claim 1, wherein: The length measuring assembly (4) comprises a housing (41), the housing (41) is connected to the adjustment seat (3), and the adjustment rod (44) is rotationally connected to the housing (41).

3. The plate length measuring mechanism according to claim 2, wherein: The middle portion of the adjusting rod (44) is rotatably connected to the housing (41).

4. The plate length measuring mechanism according to claim 2 or 3, wherein: The housing (41) is provided with an extension portion (43) on at least one side wall in the swinging direction of the adjusting rod (44); the extension portion (43) and the outer wall of the adjusting rod (44) are connected to the same elastic member (42); the elastic member (42) applies a restoring force in the swinging direction of the adjusting rod (44).

5. The plate length measuring mechanism according to claim 4, characterized in that: The extension portion (43) protrudes from the housing (41), and a space for placing the elastic member (42) is reserved between the extension portion (43) and the housing (41).

6. The plate length measuring mechanism according to claim 2 or 3, characterized in that: The housing (41) is provided with second stoppers (45) on both sides of the swing direction of the adjusting rod (44) to limit the swing amplitude of the adjusting rod (44).

7. The plate length measuring mechanism according to claim 4, wherein: It comprises a stop plate (48) connected to the housing (41) and / or the adjustment seat (3); when the middle portion of the adjustment rod (44) is rotationally connected to the housing (41), the stop plate (48) limits the adjustment rod (44) in the vertical direction.

8. The plate length measuring mechanism according to claim 1, wherein: The invention comprises a base (1) and a tilting assembly (2), wherein the adjusting seat (3) is rotatably connected to the base (1), the tilting assembly (2) is arranged on the base (1), and the output end of the tilting assembly (2) is connected to the adjusting seat (3) to adjust the angle between the adjusting seat (3) and the base (1).

9. The plate length measuring mechanism according to claim 8, wherein: The tilting assembly (2) comprises a support plate (21) connected to a side wall of the base (1), and a same telescopic member (23) is connected between the support plate (21) and the adjustment seat (3).

10. A steel plate length measuring device, characterized in that: The steel plate length measuring device comprises a conveyor line, under which are installed a plate length measuring mechanism and a proximity measurement component (6) as described in any one of claims 1 to 9.

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