CN112857183A - Curvature measuring device for plate bending machine - Google Patents
Curvature measuring device for plate bending machine Download PDFInfo
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- CN112857183A CN112857183A CN202110090862.8A CN202110090862A CN112857183A CN 112857183 A CN112857183 A CN 112857183A CN 202110090862 A CN202110090862 A CN 202110090862A CN 112857183 A CN112857183 A CN 112857183A
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- measuring
- measuring unit
- fixed seat
- curvature
- bending machine
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/20—Measuring arrangements characterised by the use of mechanical techniques for measuring contours or curvatures
Abstract
The invention provides a curvature measuring device for a plate bending machine, which mainly comprises a ruler frame, a measuring unit, a display module, a calculating module, a fixed seat and an end face vertical device, wherein the measuring unit, the display module and the calculating module are fixed on the ruler frame, and the display module and the calculating module are electrically connected with the corresponding measuring unit; the fixed seat is connected with the ruler frame, and the end face vertical device is connected with the fixed seat; at least two measuring units are provided. During measurement, the curvature measuring device for the plate bending machine is fixed on the inner surface or the outer surface of a bent measured piece through the bottom surface of the fixing seat, the inner surface of the curvature measuring device is tightly attached to the end surface of the measured piece through the end surface vertical device, the contacts of the first measuring unit and the second measuring unit are in contact with the inner surface or the outer surface of the measured piece, and measured data are displayed by the computing and displaying module. The invention is simple, safe, reliable and economical; the data can be directly read out, the learning is easy, the use is easy, various curvatures can be measured by one tool, and the working efficiency is improved.
Description
Technical Field
The invention relates to a plate bending measuring device of a plate bending machine, in particular to a curvature measuring device for the plate bending machine.
Background
The plate bending machine is a general forming equipment for rolling metal plate into cylinder, cone, curved surface body or other shapes, and is widely used in the industries of boiler, shipbuilding, pressure container, chemical engineering and mechanical manufacturing, etc. During the process of curling the steel plate, the radius of curvature of the steel plate needs to be measured frequently to determine the next operation. The traditional method is to manufacture a curvature sample plate by a thin steel plate according to the product requirement, then compare the curvature sample plate with a master mould in the production process, and judge the curvature trend according to the experience by observing the attaching degree. Each product with different curvatures needs to be manufactured with corresponding sample plates, which wastes labor, time and labor and increases labor intensity. The existing related technology mostly uses fixed chord length and measured arc height, and then calculates curvature radius manually, which is inconvenient to use.
Disclosure of Invention
According to the traditional method, a thin steel plate is used for manufacturing a curvature sample plate according to the product requirements, then the curvature sample plate is compared by a profiling mold in the production process, the trend of curvature is judged according to the fitting degree by visual inspection according to experience, each product with different curvatures needs to be manufactured with a corresponding sample plate, the labor and the material are wasted, the time and the labor are wasted, and the labor intensity is increased; the prior related technology mostly adopts the technical problems of fixed chord length and measured arc height, and then manually calculates the curvature radius, so that the device is inconvenient to use, and the curvature measuring device for the plate bending machine is provided. The invention mainly utilizes the fixing seat to be fixed on the inner surface or the outer surface of a bent measured piece, the end surface vertical device ensures that the side end surfaces of the contact track measured piece of the measuring unit are parallel, the contact of the measuring module compresses the measured piece to measure data, the calculating module processes the data according to the geometric position relation and the measured data, and the curvature value is displayed through the display module after the processing, thereby realizing the measurement of the inner diameter or the outer diameter.
The technical means adopted by the invention are as follows:
a curvature measuring device for a plate bending machine comprises a ruler frame, at least two measuring units connected with the ruler frame, a display module arranged on the ruler frame, a calculation module, a fixed seat connected with the ruler frame and an end face vertical device connected with the fixed seat; the calculation module is electrically connected with the display module and is positioned on the ruler frame; the inner surface of a stop block of the end surface vertical device is vertical to the bottom surface of a fixed seat of the fixed seat and is parallel to the contact moving track of the measuring unit;
fixing the curvature measuring device for the plate bending machine on the inner surface or the outer surface of the bent measured piece through the fixed seat; the bottom surface of the fixed seat is ensured to be vertical to the shaft end surface of the measured piece by the inner surface of the stop block of the end surface vertical device clinging to the shaft end surface of the measured piece;
the contact moving tracks of the measuring units are all vertical to the bottom surface of the fixed seat and are all parallel to the inner surface of the stop block of the end surface vertical device; during measurement, the contact heads of the first measuring unit and the second measuring unit are in contact with the inner surface or the outer surface of the measured piece;
when the measuring device is used, the fixed seat is fixed on the inner surface or the outer surface of the bent measured piece by utilizing the bottom surface of the fixed seat, the inner surface of the end surface vertical device stop block is tightly attached to the side end surface of the measured piece to ensure that the bottom surface of the fixed seat is vertical to the shaft end surface of the measured piece, the contact of the measuring module compresses the measured piece to measure data, the calculating module calculates according to the geometric relation and the measured data, and the calculated result displays the curvature value through the display module and can be used for measuring the inner diameter or the outer diameter; the data can be output to a computer for further processing and storage through an external cable or a wireless transmission module.
Furthermore, the measuring unit is an electronic measuring tool similar to a vernier caliper, the main scale is movable, a measuring unit contact is arranged at the front end of the main scale, and measured data are displayed through the display module and calculated through the calculating module.
Furthermore, the number of the measuring units is two, the two measuring units are respectively a first measuring unit and a second measuring unit, the first measuring unit and the second measuring unit are respectively provided with a first measuring unit contact and a second measuring unit contact, and the running track of the first measuring unit contact and the running track of the second measuring unit contact form a certain angle.
Furthermore, the display module and the calculation module are electronic devices containing a micro-processing module, and are used for displaying the measured data and further processing the data;
the display module and the calculation module can be integrated together or can be respectively and independently placed.
Further, the geometric relationship refers to: the contact tracks of all the measuring units, the bottom surface of the fixed seat and the inner surface of the stop block of the end surface vertical device form a geometric position relationship.
Furthermore, the end face vertical device is composed of a pin shaft and a stop block, one end of the pin shaft is connected with the fixed seat, the other end of the pin shaft is connected with the stop block, and the axis of the pin shaft is perpendicular to the inner face of the stop block and is also perpendicular to contact tracks of all the measuring units.
Further, the fixing seat is a magnetic seat fixing structure or a spring clamping fixing structure.
Further, magnetism seat fixed knot constructs for a magnetic force seat, and internally mounted has the magnet, through rotating the angle of magnet makes magnetic attraction produce or disappear, will the fixing base with it is fixed or loosen to be surveyed the piece.
Furthermore, the spring clamping and fixing structure is a clamping structure and is provided with an upper clamp half and a lower clamp half which are connected through a spring, and the upper clamp half and the lower clamp half generate clamping force by utilizing the elasticity of the spring to fix the fixed seat and the tested piece.
Compared with the prior art, the invention has the following advantages:
1. the curvature measuring device for the plate bending machine provided by the invention can directly read data, is easy to learn and use, can realize that one tool can measure various curvatures, improves the working efficiency, and can realize automatic intelligent input of plate bending parameters by recording, analyzing and sorting the output data accumulation.
2. The curvature measuring device for the plate bending machine directly displays the curvature radius according to the trigonometric function of the geometric relationship through the calculating and displaying module.
3. The curvature measuring device for the plate bending machine is a simple, safe, reliable and economic curvature measuring tool, adopts an electromechanical integration technology, is convenient and intuitive to measure, improves the working efficiency and the production efficiency, reduces the production cost and is convenient for production management.
In conclusion, the technical scheme of the invention can solve the problems that in the prior art, a curvature sample plate is manufactured by a thin steel plate according to the product requirement, then the trend of curvature is judged by profiling comparison in the production process according to the visual fit degree and experience, and each product with different curvatures needs to be manufactured with a corresponding sample plate, so that the labor and the materials are wasted, the time and the labor are wasted, and the labor intensity is increased; and the prior related technology mostly uses fixed chord length and measured arc height, and then manually calculates the curvature radius, which is inconvenient to use.
Based on the reason, the invention can be widely popularized in the fields of plate rolling machine measurement and the like.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic structural diagram of the present invention.
FIG. 2 is a schematic diagram of the geometric relationship between the contact trace, the bottom surface of the mounting base, the inner surface of the vertical device stopper, etc.
In the figure: 1. a first measurement unit; 11. a first measurement cell contact; 2. a display module; 3. a calculation module; 4. an end face vertical device; 41. a stopper; 5. a fixed seat; 51. the bottom surface of the fixed seat; 6. a measured piece; 7. a second measurement unit; 71. a second measurement cell contact; 8. a ruler frame.
Detailed Description
It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, 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. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses. 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.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the invention. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
The relative arrangement of the components and steps, the numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present invention unless specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. Any specific values in all examples shown and discussed herein are to be construed as exemplary only and not as limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.
In the description of the present invention, it is to be understood that the orientation or positional relationship indicated by the directional terms such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal" and "top, bottom", etc., are generally based on the orientation or positional relationship shown in the drawings, and are used for convenience of description and simplicity of description only, and in the absence of any contrary indication, these directional terms are not intended to indicate and imply that the device or element so referred to must have a particular orientation or be constructed and operated in a particular orientation, and therefore should not be considered as limiting the scope of the present invention: the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.
Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
It should be noted that the terms "first", "second", and the like are used to define the components, and are only used for convenience of distinguishing the corresponding components, and the terms have no special meanings unless otherwise stated, and therefore, the scope of the present invention should not be construed as being limited.
As shown in fig. 1-2, the invention provides a curvature measuring device for a plate bending machine, which mainly comprises a ruler frame 8, two measuring units connected with the ruler frame 8, a display module 2 arranged on the ruler frame 8, a calculation module 3, a fixed seat 5 connected with the ruler frame 8 and an end face vertical device 4 connected with the fixed seat 5; the calculation module 3 and the display module 2 are electrically connected with corresponding measuring units and are positioned on the ruler frame 8; the inner surface of the stopper 41 of the end surface vertical device 4 is perpendicular to the bottom surface 51 of the fixed seat and is parallel to the contact tracks of the first measuring unit 1 and the second measuring unit 7.
Fixing the curvature measuring device for the plate bending machine on the inner surface or the outer surface of a bent measured piece 6 through the fixed seat 5; the contact tracks of the first measuring unit 1 and the second measuring unit 7 are ensured to be parallel to the side end face of the tested piece 6 by the inner face of the stop block 41 of the end face vertical device 4 tightly attached to the side end face of the tested piece 6.
The measuring unit is an electronic measuring tool similar to a vernier caliper, the main scale is movable, a measuring unit contact is arranged at the front end of the main scale, and measured data enter the display module 2 and the calculating module 3 to be displayed or calculated. The measuring unit is generally composed of at least two, two being shown in the figure: the contact movement track of the first measuring unit 1 and the contact movement track of the second measuring unit 7 form a certain angle, are perpendicular to the bottom surface 51 of the fixed seat and are parallel to the inner surface of the stop block 41 of the end surface perpendicular device 4; during measurement, the contact terminals of the first measuring unit 1 and the second measuring unit 7 are in contact with the inner surface or the outer surface of the measured piece 6.
When the measuring device is used, the bottom surface of the fixed seat 5 is fixed on the inner surface or the outer surface of the bent measured piece 6, the inner surface of the stop block 41 of the end surface vertical device 4 is tightly attached to the side end surface of the measured piece 6 to ensure that the bottom surface 51 of the fixed seat is vertical to the shaft end surface of the measured piece 6, the contact of the measuring module presses the measured piece 6 to measure data, the calculating module 3 calculates according to the geometric relationship (figure 2) formed by the contact track of the measuring unit, the bottom surface 51 of the fixed seat, the inner surface of the stop block 41 of the vertical device 4 and the like and the measured data, and the curvature value is displayed through the display module 2 after calculation. Can be used for measuring the inner diameter or the outer diameter; the data can be output to a computer for further processing and storage through an external cable or a wireless transmission module.
Preferably, the display module 2 and the calculation module 3 may be integrated or independent.
The display module 2 and the calculation module 3 are electronic devices containing a micro-processing module, and can display the measured data and further process the data. The display module 2 and the calculation module 3 may be integrated together or may be separately disposed.
Preferably, the geometric relationship is: the geometrical relationship formed by the contact tracks of the two (or more) measuring units, the bottom surface 51 of the fixed seat, the inner surface of the stopper 41 of the end face perpendicular device 4, and the like (fig. 2).
Preferably, the end face perpendicular device 4 has a structure that: the measuring device consists of a pin shaft and a stop block 41, wherein one end of the pin shaft is connected with the fixed seat, the other end of the pin shaft is connected with the stop block 41, and the axis of the pin shaft is vertical to the inner surface of the stop block 41 and is also vertical to the contact track of the measuring unit (figure 2).
Preferably, the fixing seat 5 is a magnetic seat fixing structure or a spring clamping fixing structure.
The magnetic seat fixing structure is characterized in that: the fixed seat 5 is equivalent to a magnetic seat, a magnet is arranged in the magnetic seat, and the magnetic attraction can be generated or disappeared by rotating the angle of the magnet.
The structure of the spring clamping and fixing structure is as follows: the holder 5 here corresponds to a clamp, having an upper and a lower half, which are brought to a clamping force by means of a spring.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (9)
1. A curvature measuring device for a plate bending machine is characterized by comprising a ruler frame (8), at least two measuring units connected with the ruler frame (8), a display module (2) arranged on the ruler frame (8), a calculation module (3), a fixed seat (5) connected with the ruler frame (8) and an end face vertical device (4) connected with the fixed seat (5); the calculation module (3) is electrically connected with the display module (2) and is positioned on the ruler frame (8); the inner surface of a stop block (41) of the end surface vertical device (4) is vertical to the bottom surface (51) of the fixed seat (5) and is parallel to the contact moving track of the measuring unit;
fixing the curvature measuring device for the plate bending machine on the inner surface or the outer surface of a bent measured piece (6) through the fixed seat (5); the bottom surface (51) of the fixed seat is ensured to be vertical to the shaft end surface of the measured piece (6) by the inner surface of the stop block (41) of the end surface vertical device (4) clinging to the shaft end surface of the measured piece (6);
the contact moving tracks of the measuring units are all vertical to the bottom surface (51) of the fixed seat and are all parallel to the inner surface of a stop block (41) of the end surface vertical device (4); during measurement, the contact heads of the first measuring unit (1) and the second measuring unit (7) are in contact with the inner surface or the outer surface of the measured piece (6);
when the measuring device is used, the fixed seat (5) is fixed on the inner surface or the outer surface of the bent measured piece (6) by utilizing the bottom surface (51) of the fixed seat, the end surface vertical device (4) is characterized in that the inner surface of the stop block (41) is tightly attached to the side end surface of the measured piece (6) to ensure that the bottom surface (51) of the fixed seat is vertical to the shaft end surface of the measured piece (6), a contact of the measuring module compresses the measured piece (6) to measure data, the calculating module (3) calculates according to the geometric relation and the measured data, and the calculated result displays the curvature value through the display module (2) and can be used for measuring the inner diameter or the outer diameter; the data can be output to a computer for further processing and storage through an external cable or a wireless transmission module.
2. The curvature measuring device for a plate bending machine according to claim 1, wherein the measuring unit is an electronic measuring tool, the main scale is movable, the front end of the measuring unit is provided with a measuring unit contact, and measured data are displayed through the display module (2) and calculated through the calculating module (3).
3. The curvature measuring device for the plate bending machine as claimed in claim 2, characterized in that the two measuring units are respectively a first measuring unit (1) and a second measuring unit (7), the first measuring unit (1) and the second measuring unit (7) are respectively provided with a first measuring unit contact (11) and a second measuring unit contact (71), and the running track of the first measuring unit contact (11) and the running track of the second measuring unit contact (71) form an angle.
4. The curvature measuring device for the plate bending machine according to claim 1, wherein the display module (2) and the calculation module (3) are electronic devices containing a micro-processing module for displaying the measured data and further processing the data;
the display module (2) and the calculation module (3) can be integrated together or can be respectively and independently placed.
5. The curvature measuring device for the plate bending machine as claimed in claim 1, wherein the geometrical relationship is: the contact tracks of all the measuring units, the bottom surface (51) of the fixed seat and the inner surface of the stop block (41) of the end surface vertical device (4) form a geometric position relation.
6. The curvature measuring device for the plate bending machine as claimed in claim 1, wherein the end face vertical device (4) is composed of a pin and a stop block (41), one end of the pin is connected with the fixed seat (5), the other end of the pin is connected with the stop block (41), and the axis of the pin is perpendicular to the inner face of the stop block (41) and is also perpendicular to the contact tracks of all the measuring units.
7. The curvature measuring device for the plate bending machine as claimed in claim 1, wherein the fixed seat (5) is a magnetic seat fixing structure or a spring clamping fixing structure.
8. The curvature measuring device for the plate bending machine as claimed in claim 7, wherein the magnetic base fixing structure is a magnetic base, a magnet is installed inside the magnetic base, and the magnetic attraction force is generated or eliminated by rotating the angle of the magnet, so that the fixing base (5) and the measured piece (6) are fixed or released.
9. The curvature measuring device for a plate bending machine according to claim 7, wherein the spring clamping and fixing structure is a clamping structure provided with upper and lower clamp halves connected by a spring, and the upper and lower clamp halves generate a clamping force by the elastic force of the spring to fix the fixing base (5) and the measured member (6).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110090862.8A CN112857183B (en) | 2021-01-22 | 2021-01-22 | Curvature measuring device for plate bending machine |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110090862.8A CN112857183B (en) | 2021-01-22 | 2021-01-22 | Curvature measuring device for plate bending machine |
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| CN112857183A true CN112857183A (en) | 2021-05-28 |
| CN112857183B CN112857183B (en) | 2022-11-25 |
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2021
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61213622A (en) * | 1985-03-19 | 1986-09-22 | Mitsutoyo Mfg Co Ltd | Measuring instrument for outside diameter dimensions |
| CN201034576Y (en) * | 2007-04-19 | 2008-03-12 | 上海交通大学 | On-line measurement instrument roller bend molding pipe welding curvature |
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