CN216385467U - Magnetic grid chi determine module - Google Patents
Magnetic grid chi determine module Download PDFInfo
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- CN216385467U CN216385467U CN202123275925.1U CN202123275925U CN216385467U CN 216385467 U CN216385467 U CN 216385467U CN 202123275925 U CN202123275925 U CN 202123275925U CN 216385467 U CN216385467 U CN 216385467U
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Abstract
The utility model relates to a magnetic grid ruler detection assembly, which comprises: a first linear drive (11), a second linear drive (12) carried on the first linear drive (11), a detection sensor (13) mounted on the second linear drive (12), and a magnetic scale assembly (14) disposed on the first linear drive (11); the first linear drive (11) is used for driving the second linear drive (12) to linearly reciprocate, and the magnetic grid ruler assembly (14) is used for outputting the moving position of the second linear drive (12). The detection assembly can be used for accurately measuring large structural members, and is simple in structure, convenient to use and high in precision.
Description
Technical Field
The utility model relates to the field of machinery, in particular to a magnetic grid ruler detection assembly.
Background
The size requirement of the assembly of the high-speed suspension electromagnet is strict, and the machining size of the box girder is an important foundation and a precondition for ensuring the assembly size. However, the length of the high-speed electromagnetic box girder exceeds 3 meters, most tolerance requirements are in a range of 0.1-0.2mm, and certain key dimensions are space distances and cannot be directly measured, so that new difficulty is brought to inspection of incoming materials of the box girder.
In addition, the high-speed electromagnet box girder is a combined box girder riveted with end plates, supporting arms, and the like, belongs to an assembly body with a complex structure, and further increases the difficulty of measuring each structure, part and the like. Moreover, the prior art does not have a detection assembly capable of measuring the high-speed electromagnet box girder.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a magnetic grid ruler detection assembly.
To achieve the above object of the present invention, the present invention provides a magnetic scale detecting assembly, including: the linear driving device comprises a first linear driving device, a second linear driving device, a detection sensor and a magnetic grid ruler assembly, wherein the second linear driving device is borne on the first linear driving device;
the first linear drive is used for driving the second linear drive to linearly reciprocate, and the magnetic grid ruler assembly is used for outputting the moving position of the second linear drive.
According to one aspect of the utility model, the first linear drive comprises: the linear guide rail driving device comprises a first linear guide rail unit, a first slide block and a first driving structure, wherein the first slide block is arranged on the first linear guide rail unit;
the second linear drive is vertically supported on the first slide block;
the first driving structure is arranged on the first sliding block and is in transmission connection with the first linear guide rail unit.
According to one aspect of the utility model, the magnetic scale assembly comprises: detecting the magnetic head and the magnetic strip;
the magnetic strip is of a strip-shaped structure with scale information;
a magnetic strip installation structure with the length consistent with that of the first linear guide rail unit is arranged on the side edge of the first linear guide rail unit, and the magnetic strip is embedded in an installation groove of the magnetic strip installation structure;
the length direction of the magnetic strip is parallel to the extending direction of the first linear guide rail unit;
the detection magnetic head is arranged on the first sliding block, is opposite to the magnetic strip and is used for reading scale information on the magnetic strip.
According to an aspect of the utility model, the second linear drive comprises: the second linear guide rail unit, the second slide block arranged on the second linear guide rail unit, the second driving structure;
the second driving structure is supported on the second linear guide rail unit, is in transmission connection with the second sliding block and is used for driving the second sliding block to linearly reciprocate along the second linear guide rail unit.
According to one aspect of the utility model, the detection sensor is connected with the second sliding block by adopting a horizontal connecting structure;
the horizontal connecting structure is respectively arranged perpendicular to the first linear drive and the second linear drive;
one end of the horizontal connecting structure is fixedly connected with the second sliding block, and the other end of the horizontal connecting structure is connected with the detection sensor.
According to one aspect of the utility model, the horizontal connecting structure is an elongated plate-like body; alternatively, the first and second electrodes may be,
the horizontal connecting structure is a linear driving structure capable of driving the detection sensor to linearly reciprocate.
According to one aspect of the utility model, one end of the horizontal connecting structure far away from the second sliding block is selectively provided with a rotating motor for adjusting the posture of the detection sensor;
the rotating shaft of the rotating motor is parallel to the length direction of the horizontal connecting structure;
the detection sensor is mounted on the rotating shaft;
the first driving structure is a gear rack structure;
the second driving structure is a screw nut structure.
According to an aspect of the utility model, further comprising: a control unit;
the control unit is respectively connected with the first linear drive and the second linear drive and is used for controlling the moving speed and the moving position of the first linear drive and the second linear drive; and the control unit is respectively connected with the detection sensor and the magnetic grid ruler assembly and is used for acquiring electric signals output by the detection sensor and the magnetic grid ruler assembly.
According to one aspect of the utility model, the stroke of the first linear drive is greater than or equal to 4.5 m;
the stroke of the second linear drive is greater than or equal to 0.5 m;
the measurement precision of the magnetic grid ruler detection assembly is greater than or equal to 0.1 mm.
According to one aspect of the utility model, the detection sensor is a laser displacement sensor;
the response frequency of the magnetic grid ruler assembly is 50kHz, the resolution is 5 mu m, and the maximum detection speed is 25 m/min.
According to one scheme of the utility model, the detection assembly can be used for accurately measuring large structural parts, and has the advantages of simple structure, convenience in use and high precision. In addition, the utility model has high detection speed and high efficiency.
According to one scheme of the utility model, the method is simple to operate, high measurement precision can be achieved without precise adjustment in the measurement process, the measurement interval can be defined by users, and the practicability is high.
According to one scheme of the utility model, the device is convenient to disassemble and assemble, can meet the installation and arrangement requirements of various bases, can be used only by installing and fixing the first linear drive, and is very suitable for measuring workpieces in a complex environment.
According to one scheme of the utility model, the system can automatically operate, can effectively reduce system errors caused by human factors, simplifies the operation process and improves the detection efficiency.
Drawings
FIG. 1 is a block diagram schematically illustrating a magnetic scale detection assembly according to one embodiment of the present invention;
FIG. 2 is a block diagram schematically illustrating the installation of a first linear drive and a second linear drive according to an embodiment of the present invention;
fig. 3 is a partially enlarged view schematically showing a position F in fig. 1.
Detailed Description
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 embodiments will be briefly described below. It is obvious that the drawings in the following description are only some embodiments of the utility model, and that for a person skilled in the art, other drawings can be derived from them without inventive effort.
In describing embodiments of the present invention, the terms "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in an orientation or positional relationship that is based on the orientation or positional relationship shown in the associated drawings, which is for convenience and simplicity of description only, and does not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus, the above-described terms should not be construed as limiting the present invention.
The present invention is described in detail below with reference to the drawings and the specific embodiments, which are not repeated herein, but the embodiments of the present invention are not limited to the following embodiments.
Referring to fig. 1, 2 and 3, according to an embodiment of the present invention, a magnetic scale detection assembly of the present invention includes: a first linear drive 11, a second linear drive 12 carried on the first linear drive 11, a detection sensor 13 mounted on the second linear drive 12, and a magnetic scale assembly 14 disposed on the first linear drive 11. In the present embodiment, the first linear drive 11 is used to drive the second linear drive 12 to linearly reciprocate, and the magnetic scale assembly 14 is used to output the moving position of the second linear drive 12.
According to one embodiment of the present invention, the magnetic scale detection assembly of the present invention is used for measuring the size of a workpiece, wherein the first linear drive 11 is provided with the magnetic scale assembly, so that the magnetic scale detection assembly can be used for accurately measuring the length of the workpiece; the different height positions of the workpiece can be marked through the combination of the second linear drive 12 and the detection sensor 13, and then under the marking effect of the detection sensor 13, the length sizes of the different height positions of the workpiece can be obtained through the magnetic grid ruler assembly 14 arranged on the first linear drive 11, the measurement accuracy is high, the speed is high, meanwhile, non-contact measurement can be achieved, and the method is very suitable for measurement of the inner side and the outer side of the workpiece or a complex structure surface. Furthermore, in the present embodiment, the detection sensor 13 is mounted on the second linear drive 12, and when the first linear drive 11 drives the second linear drive 12 to reciprocate, the detection sensor 13 marks the position of the workpiece to be measured, so that the corresponding dimension parameter can be obtained through the output reading of the magnetic scale assembly 14.
Referring to fig. 1, 2 and 3, according to an embodiment of the present invention, the first linear drive 11 includes: a first linear guide unit 111, a first slider 112 disposed on the first linear guide unit 111, and a first driving structure 113. In the present embodiment, the first linear guide unit 111 adopts a double-rail installation method. The first sliding blocks 112 are respectively connected with the double guide rails in a sliding manner, so that the sliding blocks can freely slide on the guide rails. In the present embodiment, the second linear drive 12 is vertically supported on the first slider 112; the first slider 112 is mounted on the guide rail in a load-bearing structure, so as to ensure stable support of the second linear actuator 12. In the present embodiment, the first driving structure 113 is disposed on the first slider 112 and is in transmission connection with the first linear guide unit 111. In the present embodiment, the first slider 112 is freely slid on the first linear guide unit 111 by the driving action of the first driving mechanism 113.
Referring to fig. 1, 2 and 3, according to one embodiment of the present invention, a magnetic scale assembly 14 comprises: a sensing head 141 and a magnetic strip 142. In the present embodiment, the magnetic stripe 142 has a long bar structure with scale information, and the magnetic stripe 142 is mounted on the first linear guide unit 111; wherein, a magnetic strip mounting structure 1111 with a length consistent with the first linear guide unit 111 is disposed on the side of the first linear guide unit 111. In this embodiment, the magnetic stripe mounting structure 1111 is made of aluminum, and is connected to the side of the first linear guiding unit 111 through an L-shaped connector, and the magnetic stripe 142 is embedded in the mounting groove of the side of the magnetic stripe mounting structure 1111. In the present embodiment, the longitudinal direction of the magnetic stripe 142 is parallel to the extending direction of the first linear guide unit 111. In addition, after the magnetic stripe is installed, the detection head 141 needs to be disposed opposite to the magnetic stripe 142 to facilitate reading of information on the magnetic stripe 142.
In this embodiment, the linear accuracy of the mounting groove for mounting the magnetic stripe 142 on the magnetic stripe mounting structure 1111 is consistent with the magnetic stripe 142, so as to ensure the measurement accuracy of the magnetic stripe 142 in the length direction.
By arranging the magnetic strip mounting structure to fix the magnetic strip 142, the stability and the precision of the installation of the magnetic strip are effectively ensured, the measurement error caused by the deformation of the magnetic strip is effectively avoided, and the measurement precision of the utility model is greatly improved.
In this embodiment, the detection magnetic head 141 is mounted on the first slider 112, and the detection magnetic head 141 is disposed opposite to the magnetic stripe 142 for reading scale information on the magnetic stripe 142. In the present embodiment, the detection head 141 is connected to the side of the first slider 112 through a head connection block. One end of the head link block is connected to the first slider 112, and the other end extends below the other end, and then the detection head 141 is connected to the other end (i.e., the lower end) of the head link block via a connection member. In this embodiment, the mounting position of the detection head 141 on the head connection block is adjustable, so as to adjust the relative position between the detection head 141 and the magnetic strip 142, thereby ensuring the detection accuracy and effectiveness.
According to one embodiment of the present invention, the first drive structure 113 is a rack and pinion structure. In the present embodiment, the first driving structure 113 includes a rack part, a gear part, and a first driving motor. In the present embodiment, a rack portion is disposed at one side in parallel with the guide rail on the first linear guide unit 111, and a gear portion is engaged with the rack portion, and the first driving motor is coupled to the first slider 112 with a rotating shaft thereof disposed through the first slider 112, while the gear portion is mounted on the rotating shaft of the first driving motor. In the present embodiment, the rack portion is provided in parallel with the rail on the first linear rail unit 111.
Through the arrangement, the gear part can be driven to rotate through the rotation of the first driving motor, and then the first sliding block can move on the first linear guide rail unit in a reciprocating mode.
Through the arrangement, the mechanical transmission can be realized by the mutually meshed teeth through the first driving structure adopting the gear and rack structure in the scheme, so that the moving precision and speed can be effectively guaranteed, and the gear and rack structure can not be influenced by the load on the sliding block, so that the stability and the running precision of the running under the load state can be guaranteed.
Referring to fig. 1, 2 and 3, according to one embodiment of the present invention, the second linear drive 12 includes: a second linear guide unit 121, a second slider 122 disposed on the second linear guide unit 121, and a second driving structure 123. In the present embodiment, the second driving structure 123 is supported on the second linear guide unit 121, and is in transmission connection with the second slider 122 for driving the second slider 122 to linearly reciprocate along the second linear guide unit 121.
In the present embodiment, the second linear guide unit 121 may have a single guide structure or a double guide structure, and may be disposed as needed.
In the present embodiment, the second driving structure 123 is a screw nut structure, which includes: a feed screw nut portion and a second drive motor. In this embodiment, the second drive motor is fixed to the end of the second linear guide unit, the feed screw nut portion is supported on the second linear guide unit in parallel with the guide rail, and the feed screw nut portion needs to be rotatably connected to the second linear guide unit. Furthermore, the second slider 122 is connected to the upper rail of the second linear rail unit in a sliding manner and also needs to be connected to the nut of the lead screw nut portion, so that the second slider can be driven to reciprocate in the vertical direction by the lead screw nut portion when the second driving motor outputs rotation.
According to the utility model, by adopting the second driving structure with the screw nut structure, the whole mass of the second driving structure is arranged on the second linear guide rail unit, and further the influence on the sliding block is avoided, so that the sliding block moves along the vertical direction to ensure that the movement precision of the sliding block is higher. Particularly, errors caused by the self weight of the sliding block can be effectively inhibited through the driving mode of the screw rod nut structure, and the control precision of the utility model is further effectively ensured. In addition, the second driving structure which is provided with the feed screw nut structure in the vertical direction also effectively avoids the influence of the self weight on the deformation of the feed screw nut part, and can effectively ensure the operation stability and flexibility of the feed screw nut part.
Referring to fig. 1, 2 and 3, according to an embodiment of the present invention, the detection sensor 13 is connected to the second slider 122 by using a horizontal connection structure 15. In the present embodiment, the horizontal connecting structure 15 is disposed perpendicular to the first linear driver 11 and the second linear driver 12, respectively. In the present embodiment, one end of the horizontal connecting structure 15 is fixedly connected to the second slider 122, and the other end is connected to the detection sensor 13.
Through the setting, give horizontal connection structure 15 and can make the unsettled setting of detection sensor 13, and then can avoid first linear drive 11 and second linear drive 12 interference or block in the space, and then can guarantee measured work piece and drive division separation, guaranteed measuring process's convenience promptly, still be favorable to the installation of work piece.
Referring to fig. 1, 2 and 3, according to one embodiment of the present invention, the horizontal connecting structure 15 is an elongated plate-like body; in the present embodiment, the plate-like body can be made of a metal plate, and not only has high structural strength, but also is easy to mount and process. In addition, this platelike body still can set up to a plurality of parts, and slidable connection each other between each part, and then can realize flexible regulation, after adjusting the length of settlement, through each part set up retaining member locking can, convenient to use is nimble and simple structure.
According to an embodiment of the present invention, the horizontal connection structure 15 is a linear driving structure that can drive the detection sensor 13 to linearly reciprocate. In the present embodiment, the horizontal connection structure 15 can be implemented by a small electric cylinder or a manual screw nut structure.
Through the arrangement, the position of the detection sensor 13 can be accurately adjusted, and the method is favorable for ensuring the measurement precision.
According to an embodiment of the present invention, an end of the horizontal connecting structure 15 away from the second slider 122 is optionally provided with a rotating motor for adjusting the posture of the detection sensor 13. In the present embodiment, the rotation shaft of the rotating electrical machine is parallel or perpendicular to the longitudinal direction of the horizontal connecting structure 15, and the detection sensor 13 is mounted on the rotation shaft.
Through the arrangement, the automatic control and the accurate adjustment of the posture of the detection sensor 13 can be realized, the detection of complex workpieces (such as workpieces with inclined planes and cambered surfaces) can be further adapted, and the use flexibility of the utility model can be effectively improved. In addition, if the horizontal connection structure 15 adopts a small-sized electric cylinder structure, multiple automatic adjustment effects of the telescopic length and the posture of the detection sensor can be realized, and further flexible measurement of the structures such as the inner part of the workpiece can be realized
According to an embodiment of the present invention, the magnetic scale detection assembly of the present invention further comprises: a control unit. In the present embodiment, the control unit is respectively connected with the first linear drive 11 and the second linear drive 12, and is used for controlling the moving speed and the moving position of the first linear drive 11 and the second linear drive 12; and the control unit is respectively connected with the detection sensor 13 and the magnetic grid ruler assembly 14 and is used for acquiring electric signals output by the detection sensor 13 and the magnetic grid ruler assembly 14.
According to one embodiment of the utility model, the stroke of the first linear drive 11 is greater than or equal to 4.5 m; the stroke of the second linear drive 12 is greater than or equal to 0.5 m. In the present embodiment, the measurement accuracy of the magnetic scale detection unit is 0.1mm or more.
Through the arrangement, the magnetic grid ruler detection assembly can realize accurate measurement of large-sized workpieces, and further ensures the measurement accuracy and the applicability of the magnetic grid ruler detection assembly.
According to one embodiment of the utility model, the detection sensor 13 is a laser displacement sensor.
Through the arrangement, the laser displacement sensor is used as the detection sensor, so that the marking precision, the measurement precision and the sensitivity of the utility model are ensured.
According to one embodiment of the present invention, the magnetic scale assembly 14 has a response frequency of 50kHz, a resolution of 5 μm, and a maximum detection speed of 25 m/min.
Through the arrangement, the magnetic grid ruler assembly 14 with the parameters effectively ensures the measurement precision, is also suitable for height measurement, greatly improves the measurement efficiency of the utility model,
the foregoing is merely exemplary of particular aspects of the present invention and devices and structures not specifically described herein are understood to be those of ordinary skill in the art and are intended to be implemented in such conventional ways.
The above description is only one embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A magnetic scale detection assembly, comprising: a first linear drive (11), a second linear drive (12) carried on the first linear drive (11), a detection sensor (13) mounted on the second linear drive (12), and a magnetic scale assembly (14) disposed on the first linear drive (11);
the first linear drive (11) is used for driving the second linear drive (12) to linearly reciprocate, and the magnetic grid ruler assembly (14) is used for outputting the moving position of the second linear drive (12).
2. A magnetic scale detection assembly according to claim 1, wherein the first linear drive (11) comprises: a first linear guide unit (111), a first slider (112) disposed on the first linear guide unit (111), a first drive structure (113);
the second linear drive (12) is vertically supported on the first slide (112);
the first driving structure (113) is arranged on the first sliding block (112) and is in transmission connection with the first linear guide rail unit (111).
3. A magnetic scale detection assembly according to claim 2, wherein the magnetic scale assembly (14) comprises: a detection magnetic head (141) and a magnetic strip (142);
the magnetic strip (142) is of a strip-shaped structure with scale information;
a magnetic strip mounting structure (1111) with the length consistent with that of the first linear guide rail unit (111) is arranged on the side edge of the first linear guide rail unit (111), and the magnetic strip (142) is embedded in a mounting groove of the magnetic strip mounting structure (1111);
the length direction of the magnetic strip (142) is parallel to the extending direction of the first linear guide rail unit (111);
the detection magnetic head (141) is arranged on the first sliding block (112), and the detection magnetic head (141) is arranged opposite to the magnetic strip (142) and is used for reading scale information on the magnetic strip (142).
4. A magnetic scale detection assembly according to claim 3, wherein the second linear drive (12) comprises: a second linear guide unit (121), a second slider (122) disposed on the second linear guide unit (121), a second drive structure (123);
the second driving structure (123) is supported on the second linear guide rail unit (121) and is in transmission connection with the second sliding block (122) for driving the second sliding block (122) to linearly reciprocate along the second linear guide rail unit (121).
5. The magnetic scale detection assembly according to claim 4, wherein the detection sensor (13) is connected with the second slider (122) by a horizontal connection structure (15);
the horizontal connecting structure (15) is respectively arranged perpendicular to the first linear drive (11) and the second linear drive (12);
one end of the horizontal connecting structure (15) is fixedly connected with the second sliding block (122), and the other end of the horizontal connecting structure is connected with the detection sensor (13).
6. A magnetic scale detection assembly according to claim 5, characterized in that the horizontal connection structure (15) is an elongated plate-like body; alternatively, the first and second electrodes may be,
the horizontal connecting structure (15) is a linear driving structure capable of driving the detection sensor (13) to linearly reciprocate.
7. The magnetic scale detection assembly according to claim 6, characterized in that the end of the horizontal connecting structure (15) away from the second slider (122) is selectively provided with a rotating motor for adjusting the posture of the detection sensor (13);
the rotating shaft of the rotating motor is parallel to the length direction of the horizontal connecting structure (15);
the detection sensor (13) is mounted on the rotating shaft;
the first driving structure (113) is a gear rack structure;
the second driving structure (123) is a screw nut structure.
8. The magnetic scale detection assembly of any one of claims 1 to 7, further comprising: a control unit;
the control unit is respectively connected with the first linear drive (11) and the second linear drive (12) and is used for controlling the moving speed and the moving position of the first linear drive (11) and the second linear drive (12); and the control unit is respectively connected with the detection sensor (13) and the magnetic grid ruler assembly (14) and is used for collecting electric signals output by the detection sensor (13) and the magnetic grid ruler assembly (14).
9. A magnetic scale detection assembly according to any of claims 1 to 7, characterized in that the stroke of the first linear drive (11) is greater than or equal to 4.5 m;
the stroke of the second linear drive (12) is greater than or equal to 0.5 m;
the measurement precision of the magnetic grid ruler detection assembly is greater than or equal to 0.1 mm.
10. A magnetic scale detection assembly according to any of claims 1 to 7, characterized in that the detection sensor (13) is a laser displacement sensor;
the response frequency of the magnetic grid ruler assembly (14) is 50kHz, the resolution is 5 mu m, and the maximum detection speed is 25 m/min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123275925.1U CN216385467U (en) | 2021-12-23 | 2021-12-23 | Magnetic grid chi determine module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123275925.1U CN216385467U (en) | 2021-12-23 | 2021-12-23 | Magnetic grid chi determine module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216385467U true CN216385467U (en) | 2022-04-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123275925.1U Active CN216385467U (en) | 2021-12-23 | 2021-12-23 | Magnetic grid chi determine module |
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|---|---|
| CN (1) | CN216385467U (en) |
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2021
- 2021-12-23 CN CN202123275925.1U patent/CN216385467U/en active Active
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Denomination of utility model: A Magnetic Grating Measuring Assembly Effective date of registration: 20221031 Granted publication date: 20220426 Pledgee: China Construction Bank Co.,Ltd. Changsha Xiangjiang Branch Pledgor: HUNAN LINGXIANG MAGNETIC LEVITATION TECHNOLOGY CO.,LTD. Registration number: Y2022430000094 |