CN220708364U - Flatness detection device - Google Patents

Abstract

The utility model belongs to the technical field of polar plate flatness detection, and discloses a flatness detection device which comprises a base, a first transplanting mechanism, a second transplanting mechanism, a third transplanting mechanism and a measuring mechanism. The plate-like structure is positioned at the base; the first transplanting mechanism is arranged on the base in parallel to the X direction; the second transplanting mechanism is adjustably arranged on the first transplanting mechanism along the X direction; the third transplanting mechanism is adjustably arranged on the second transplanting mechanism along the Y-direction position; the measuring mechanism is arranged on the third transplanting mechanism in a position adjustable manner along the Z direction and comprises a probe, the probe can contact the plate-shaped structure, the contact mode between the probe and the plate-shaped structure is surface-to-surface contact, and the measuring mechanism can display the height of the measured position of the plate-shaped structure. The flatness detection device can ensure the positioning accuracy of the object to be detected, so that the flatness detection accuracy is improved, and the problem of damage to the object to be detected in the measurement process can be prevented.

Description

Flatness detection device

Technical Field

The utility model relates to the technical field of polar plate flatness detection, in particular to a flatness detection device.

Background

The fuel cell electrode plate is generally made of graphite. Graphite has the characteristics of crisp and soft texture, and the thickness bottom of the polar plate made of graphite is thinner. Due to factors such as processing deviation and material non-uniformity, deformation or bending phenomenon often exists in the processing process of the graphite polar plate, so that local stress of the graphite polar plate is uneven, flaws such as cracks appear, and the assembly and performance of the fuel cell are further affected.

Therefore, in the processing of graphite plates, it is necessary to detect the flatness thereof. The conventional method generally adopts a manual measurement mode to detect the flatness, but the manual measurement mode has the following defects: the continuity of detection sampling is poor, the acquired data volume is less, so that the detection efficiency is lower, and the detection accuracy is insufficient.

In order to solve the defect of manual measurement mode, the prior art (Chinese patent CN 215725677U) provides a flatness measuring device for battery pole plates. The flatness measuring device for the battery pole plate comprises a working platform, a tray, a probe, a track assembly and the like. The track assembly comprises tracks arranged on the working platform along the X direction, the Y direction and the Z direction, the tray is used for bearing the plates to be tested, the tray can move on the tracks arranged along the X direction and the Y direction, and the probe can move on the tracks arranged along the Z direction. Through the arrangement, the continuity of sampling and the efficiency of flatness detection are improved.

However, in the above-mentioned battery plate flatness measurement device, when adjusting the relative position of probe and the plate that awaits measuring, need remove probe and the plate that awaits measuring simultaneously, can lead to the positioning accuracy to reduce to and the plate that awaits measuring stability not enough problem, influence the precision that follow-up roughness detected. And the probe of the battery pole plate flatness measuring device is of a needle-shaped structure, so that damage such as scratch to a plate to be measured is easy to cause.

Therefore, there is a need for a flatness detecting device to solve the above problems.

Disclosure of Invention

The utility model aims to provide a flatness detection device which can ensure the positioning accuracy of an object to be detected, thereby improving the flatness detection accuracy and preventing the object to be detected from being damaged in the measuring process.

To achieve the purpose, the utility model adopts the following technical scheme:

flatness detection device for measure the roughness of platy structure, include:

a base, the plate-like structure being positioned at the base;

the first transplanting mechanism is arranged on the base in parallel to the X direction;

the second transplanting mechanism is arranged on the first transplanting mechanism in an adjustable mode along the X direction;

the third transplanting mechanism is adjustably arranged on the second transplanting mechanism along the Y-direction position;

the measuring mechanism is arranged on the third transplanting mechanism in a position adjustable manner along the Z direction and comprises a probe, the probe can contact the plate-shaped structure in a surface-to-surface contact manner, and the measuring mechanism can display the height of the measured position of the plate-shaped structure;

the X direction, the Y direction and the Z direction are perpendicular.

As the preferable scheme of the flatness detection device provided by the utility model, the first transplanting mechanism comprises a first transplanting assembly and a sliding rail, wherein the first transplanting assembly and the sliding rail are parallel to the X direction and are arranged at two sides of the plate-shaped structure at intervals along the Y direction; the second transplanter frame is arranged on the first transplanting assembly and the sliding rail.

As the preferable scheme of the flatness detection device provided by the utility model, the second transplanting mechanism comprises a second transplanting assembly and a mounting bracket, wherein the second transplanting assembly is arranged on the mounting bracket, and the mounting bracket is movably arranged on the first transplanting mechanism along the X direction.

As the preferable scheme of the flatness detection device provided by the utility model, the third transplanting mechanism comprises a third transplanting assembly and a connecting piece, wherein the connecting piece is connected with the third transplanting assembly and is movably arranged on the second transplanting assembly along the Y direction, and the measuring mechanism is movably arranged on the third transplanting assembly along the Z direction.

As a preferable mode of the flatness detecting device provided by the utility model, the measuring mechanism comprises a probe and a measuring assembly, the probe is arranged at the end part of the measuring assembly, which faces the plate-shaped structure, and can contact the plate-shaped structure, and the measuring assembly can display the height of the measured position of the plate-shaped structure.

As a preferable mode of the flatness detecting device provided by the utility model, the measuring mechanism further comprises a pressure sensor and an indicating mechanism, wherein the pressure sensor is integrated with the probe and is configured to sense contact between the probe and the plate-shaped structure; the indicating mechanism is in communication connection with the pressure sensor and can indicate the contact between the probe and the plate-shaped structure.

As the preferable scheme of the flatness detection device provided by the utility model, the probe is of a cylindrical structure.

As the preferable scheme of the flatness detection device provided by the utility model, the base is provided with the positioning mechanism, the positioning mechanism comprises a plurality of clamping blocks, a positioning space is formed among the clamping blocks, and the plate-shaped structure is positioned in the positioning space.

As the preferable scheme of the flatness detection device provided by the utility model, a plurality of clamping blocks are adjustably arranged on the base, and the size of the positioning space is adjustable.

As the preferable scheme of the flatness detection device provided by the utility model, the flatness detection device further comprises a control mechanism, wherein the control mechanism is arranged at the bottom of the base, the first transplanting mechanism, the second transplanting mechanism and the third transplanting mechanism are respectively connected with the control mechanism in a communication manner, and the control mechanism can change the relative position between the measuring mechanism and the plate-shaped structure.

The utility model has the beneficial effects that:

the flatness detection device provided by the utility model comprises a base, a first transplanting mechanism, a second transplanting mechanism, a third transplanting mechanism and a measuring mechanism. The plate-like structure is positioned at the base. That is, in the subsequent measurement process, the plate-like structure is always in a fixed state, so that the accuracy of the subsequent measurement and the stability of the plate-like structure in the measurement process can be ensured, thereby ensuring the measurement accuracy. The first transplanting mechanism is arranged on the base in parallel to the X direction; the second transplanting mechanism is adjustably arranged on the first transplanting mechanism along the X direction; the third transplanting mechanism is adjustably arranged on the second transplanting mechanism along the Y-direction position; the measuring mechanism is arranged on the third transplanting mechanism in an adjustable mode along the Z-direction position, the measuring mechanism comprises a probe, the probe can contact the plate-shaped structure, the contact mode between the probe and the plate-shaped structure is surface-to-surface contact, and the measuring mechanism can display the height of the measured position of the plate-shaped structure. That is, through this first transplanting mechanism, second transplanting mechanism and third transplanting mechanism, can be in the position of XY plane internal adjustment measuring mechanism to and the height of adjustment measuring mechanism in the Z direction, this measuring mechanism can change the position in succession, carries out the height measurement to the different positions of same platelike structure as required, in order to promote the continuity and the efficiency of sample, and then promotes flatness detection's efficiency and accuracy. Through the surface-to-surface contact between the probe and the plate-shaped structure, the measuring effect can be ensured, and the damage to the plate-shaped structure can be prevented.

Drawings

Fig. 1 is an isometric view of a flatness detecting device provided by an embodiment of the present utility model;

FIG. 2 is a schematic diagram of a measuring mechanism according to an embodiment of the present utility model;

FIG. 3 is an enlarged view of a part of the structure of the flatness detecting device provided by the embodiment of the utility model;

fig. 4 is a schematic diagram of a measurement point of a plate structure according to the present utility model.

In the figure:

10. a plate-like structure;

100. a base; 110. a positioning mechanism; 111. a clamping block; 120. a working platform;

200. a first transplanting mechanism; 210. A first transplanting assembly; 220. A sliding rail;

300. a second transplanting mechanism; 310. A second transplanting assembly; 320. A mounting bracket;

400. a third transplanting mechanism; 410. a third transplanting assembly; 420. a connecting piece;

500. a measuring mechanism; 510. a probe; 520. a measurement assembly; 521. a main scale; 522. vernier scale; 523. a digital display screen; 524. a connecting plate; 530. a pressure sensor; 540. an indication mechanism.

Detailed Description

The utility model is described in further detail below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the utility model and are not limiting thereof. It should be further noted that, for convenience of description, only some, but not all of the structures related to the present utility model are shown in the drawings.

In the description of the present utility model, unless explicitly stated and limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "right", "left", and the like are orientation or positional relationships based on those shown in the drawings, merely for convenience of description and simplicity of operation, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the utility model. Furthermore, the terms "first," "second," and the like, are used merely for distinguishing between descriptions and not for distinguishing between them.

Fig. 1 is an isometric view of a flatness detecting device according to an embodiment of the present utility model. Referring to fig. 1, the present embodiment provides a flatness detecting device that can be used to measure flatness of a plate-like structure 10, in which the plate-like structure 10 is a graphite plate.

The flatness detecting device includes a base 100, a first transplanting mechanism 200, a second transplanting mechanism 300, a third transplanting mechanism 400, and a measuring mechanism 500. The plate-like structure 10 can be positioned on the carrying surface of the base 100. The first transplanting mechanism 200 is arranged on the bearing surface of the base 100 in parallel to the X direction; the second transplanting mechanism 300 is adjustably arranged on the first transplanting mechanism 200 along the X direction; the third transplanting mechanism 400 is adjustably arranged on the second transplanting mechanism 300 along the Y direction position; the measuring mechanism 500 is adjustably disposed on the third transplanting mechanism 400 along the Z direction. The measuring mechanism 500 is capable of contacting the plate-like structure 10 and displaying the height of the measured position of the plate-like structure 10. In this embodiment, the X direction, the Y direction, and the Z direction are perpendicular to each other.

Specifically, the carrying surface of the base 100 is provided with a working platform 120, and the working platform 120 is provided with a positioning mechanism 110. The positioning mechanism 110 is configured to fix the plate-like structure 10 in the flatness detection process. The positioning mechanism 110 specifically includes a plurality of clamping blocks 111, a positioning space is formed between the plurality of clamping blocks 111, and the plate-shaped structure 10 is positioned in the positioning space. The latch 111 may have an L-shaped block structure, which is shaped to match the shape of the top corner of the rectangular plate structure 10. In this embodiment, two clamping blocks 111 are disposed on the working platform 120 along the X direction at intervals to position two vertex angles on the plate-like structure 10 along the X direction, while the other two vertex angles opposite to the two vertex angles along the Y direction are in a free state, so as to adapt to the positioning of the plate-like structure 10 with various width dimensions.

More specifically, a plurality of the clamping blocks 111 are adjustably disposed on the base 100, and the size of the positioning space is adjustable. In this embodiment, a groined slide (not shown) is provided on the working platform 120, and the clamping blocks 111 are slidably disposed in the groined slide, so as to adjust the positions of the clamping blocks 111 according to the size of the plate-like structure 10 to be detected. Bolts may be used to secure the position of the clamp block 111 in the groined slide.

It should be noted that the shape and number of the clamping blocks 111 are not limited in this embodiment, so long as the plate-like structure 10 can be fixed on the working platform 120.

With continued reference to fig. 1, the first transplanting mechanism 200 includes a first transplanting assembly 210 and a slide rail 220. The first transplanting assembly 210 and the sliding rail 220 are parallel to the X direction and are arranged at intervals along the Y direction at two sides of the working platform 120; the second transplanting mechanism 300 is erected on the first transplanting assembly 210 and the sliding rail 220.

Specifically, the second transplanting mechanism 300 includes a second transplanting assembly 310 and a mounting bracket 320. The second transplanting assembly 310 is disposed on the mounting bracket 320, and the mounting bracket 320 is movably disposed on the first transplanting assembly 210 and the sliding rail 220 along the X direction. The sliding rail 220 has an i-shaped cross section, and a limiting groove is formed on one side of the sliding rail facing away from the first transplanting assembly 210. The mounting bracket 320 is provided with a slider at a position corresponding to the limit groove, and the slider is slidably disposed in the limit groove. The setting of this spacing groove and slider can effectively guarantee the straightness accuracy that second transplanting mechanism 300 removed along the X direction, prevents that its removal in-process from taking place shake or skew to guarantee the accuracy of measuring mechanism 500 removal to sampling measurement station in-process.

Still more particularly, the third transplanting mechanism 400 includes a third transplanting assembly 410 and a connector 420. The connecting member 420 is fixedly connected to a side of the third transplanting assembly 410 facing the second transplanting assembly 310, and is movably disposed on the second transplanting assembly 310 along the Y direction, and the measuring mechanism 500 is movably disposed on the third transplanting assembly 410 along the Z direction. In this embodiment, the combination of the first transplanting mechanism 200, the second transplanting mechanism 300, and the third transplanting mechanism 400 may be a triaxial mechanism as in the prior art.

More specifically, the flatness detection apparatus further includes a control mechanism. The control mechanism is disposed at the bottom of the base 100. The first transplanting mechanism 200, the second transplanting mechanism 300 and the third transplanting mechanism 400 are respectively connected to the control mechanism in a communication manner, and the control mechanism can control the first transplanting mechanism 200, the second transplanting mechanism 300 and the third transplanting mechanism 400 according to a preset route so as to change the relative positions between the measuring mechanism 500 and the plate-shaped structure 10. The control mechanism may be a PLC controller, which is not described in detail in this embodiment.

Fig. 2 shows a schematic structural diagram of a measurement mechanism provided by an embodiment of the present utility model, and referring to fig. 1 and 2, the measurement mechanism 500 includes a probe 510 and a measurement assembly 520. The probe 510 is disposed at an end of the measuring unit 520 facing the plate-like structure 10, and is capable of contacting the plate-like structure 10, and the measuring unit 520 is capable of displaying a height of the plate-like structure 10 to be measured.

Specifically, the measuring assembly 520 includes a main scale 521, a vernier 522, and a digital display 523. The main scale 521 is slidably coupled to the third transplanting assembly 410 by a side coupling plate 524. The vernier 522 is movably disposed on the main scale 521, the main scale 521 is a hollow structure, and the probe 510 is connected to the vernier 522 by a connecting rod penetrating through the main scale 521, so as to achieve the purpose that the vernier 522 can slightly move along with the main scale 521 when the probe 510 contacts the plate-like structure 10. The main scale 521 and vernier 522 are integrated with a capacitive grating displacement sensor that enables measurement of the linear displacement of the vernier 522 relative to the main scale 521. The digital display 523 is integrated with the vernier 522, and can display the height of the measured position of the plate-like structure 10.

Preferably, the probe 510 contacts the plate-like structure 10 in a surface-to-surface manner. The probe 510 may be selected from a cylindrical structure, a rectangular parallelepiped structure, or a spherical structure, and is configured to be capable of contacting the plate-like structure 10 without damaging the surface thereof by scratch or the like.

Fig. 3 is an enlarged view showing a part of the structure of the flatness detecting device according to the embodiment of the present utility model, and referring to fig. 1 to 3, the measuring mechanism 500 further includes a pressure sensor 530 and an indicating mechanism 540. The pressure sensor 530 is integrated with the probe 510, the pressure sensor 530 being configured to sense contact of the probe 510 with the plate-like structure 10. The indication means 540 and the pressure sensor 530 are indirectly connected in communication via a control means, which is capable of indicating the contact of the probe 510 with the plate-like structure 10. In this embodiment, the indication mechanism 540 may be a warning light, and when the pressure sensor 530 senses that the probe 510 contacts the plate-like structure 10, the warning light is turned on, and the reading on the digital display screen 523 is the height of the sampling point where the probe 510 is located. That is, every time the warning light is turned on, it is indicated that the probe 510 is in contact with a certain sampling point at this time.

The detection steps of the flatness detection device provided in this embodiment are as follows:

first, the zero reference plane is set. The first transplanting mechanism 200, the second transplanting mechanism 300 and the third transplanting mechanism 400 are controlled by the control mechanism, so that the measuring mechanism 500 adjusts positions in the X direction, the Y direction and the Z direction, and the probe 510 moves to the upper surface of the working platform 120 and contacts with the upper surface, as shown in fig. 3. The upper surface of the work platform 120 is set to a zero reference plane and serves as a reference plane for subsequent measurements, at which point the digital display 523 is zeroed.

The plate-like structure 10 is then positioned on the work platform 120 by the positioning mechanism 110.

Then, 6 positions are selected as sampling points on the plate-like structure 10, and as shown in fig. 4, the first, second, third, fourth, fifth, and sixth points are set in the measurement order. According to the measurement sequence of the sampling points, the control mechanism controls the first transplanting mechanism 200, the second transplanting mechanism 300 and the third transplanting mechanism 400, so that the measuring mechanism 500 adjusts the positions in the X direction, the Y direction and the Z direction, and when the probe 510 contacts each sampling point, the indicating mechanism 540 sends out an indication, and the indication of the digital display screen 523 is recorded. After the measurement of the six sampling points is completed, the measurement mechanism 500 can automatically move to above the first point.

Finally, the flatness of the plate-like structure 10, i.e., the flatness is equal to the difference between the maximum and minimum readings of the digital display 523 in the above six measurements, is calculated.

It is to be understood that the above examples of the present utility model are provided for clarity of illustration only and are not limiting of the embodiments of the present utility model. Various obvious changes, rearrangements and substitutions can be made by those skilled in the art without departing from the scope of the utility model. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the utility model are desired to be protected by the following claims.

Claims (10)

1. Flatness detection apparatus for measuring flatness of a plate-like structure (10), comprising:

-a base (100), said plate-like structure (10) being positioned at said base (100);

a first transplanting mechanism (200), wherein the first transplanting mechanism (200) is arranged on the base (100) in parallel to the X direction;

a second transplanting mechanism (300), wherein the second transplanting mechanism (300) is arranged on the first transplanting mechanism (200) in a position adjustable manner along the X direction;

a third transplanting mechanism (400), wherein the third transplanting mechanism (400) is adjustably arranged on the second transplanting mechanism (300) along the Y-direction position;

the measuring mechanism (500) is arranged on the third transplanting mechanism (400) in a position adjustable manner along the Z direction, and comprises a probe (510), wherein the probe (510) can contact the plate-shaped structure (10) and is in surface-to-surface contact with the plate-shaped structure (10), and the measuring mechanism (500) can display the height of a measured position of the plate-shaped structure (10);

the X direction, the Y direction and the Z direction are perpendicular.

2. The flatness detection device according to claim 1, characterized in that the first transplanting mechanism (200) comprises a first transplanting assembly (210) and a sliding rail (220), the first transplanting assembly (210) and the sliding rail (220) being both parallel to the X-direction and spaced apart along the Y-direction on both sides of the plate-like structure (10); the second transplanting mechanism (300) is erected on the first transplanting assembly (210) and the sliding rail (220).

3. The flatness detection apparatus according to claim 1, wherein the second transplanting mechanism (300) includes a second transplanting assembly (310) and a mounting bracket (320), the second transplanting assembly (310) is disposed on the mounting bracket (320), and the mounting bracket (320) is movably disposed on the first transplanting mechanism (200) along the X-direction.

4. A flatness detection apparatus according to claim 3, wherein the third transplanting mechanism (400) includes a third transplanting assembly (410) and a connecting member (420), the connecting member (420) is connected to the third transplanting assembly (410) and is movably disposed to the second transplanting assembly (310) along the Y-direction, and the measuring mechanism (500) is movably disposed to the third transplanting assembly (410) along the Z-direction.

5. The flatness detection device according to claim 1, characterized in that the measuring mechanism (500) further comprises a measuring assembly (520), the probe (510) being arranged at an end of the measuring assembly (520) facing the plate-like structure (10), the measuring assembly (520) being capable of displaying the height of the measured position of the plate-like structure (10).

6. The flatness detection device according to claim 1, characterized in that the measurement mechanism (500) further comprises a pressure sensor (530) and an indication mechanism (540), the pressure sensor (530) being integrated in the probe (510), the pressure sensor (530) being configured to sense contact of the probe (510) with the plate-like structure (10); the indication mechanism (540) is in communication with the pressure sensor (530) and is capable of indicating contact of the probe (510) with the plate-like structure (10).

7. The flatness detection device according to claim 1, characterized in that the probe (510) is of cylindrical structure.

8. The flatness detection apparatus according to any one of claims 1-7, characterized in that the base (100) is provided with a positioning mechanism (110), the positioning mechanism (110) includes a plurality of fixture blocks (111), a positioning space is formed between a plurality of the fixture blocks (111), and the plate-like structure (10) is positioned in the positioning space.

9. The flatness detection apparatus according to claim 8, wherein a plurality of the cartridges (111) are adjustably provided in the base (100), and the size of the positioning space is adjustable.

10. The flatness detection apparatus according to any one of claims 1-7, further comprising a control mechanism arranged at the bottom of the base (100), the first transplanting mechanism (200), the second transplanting mechanism (300) and the third transplanting mechanism (400) being communicatively connected to the control mechanism, respectively, the control mechanism being capable of changing the relative position between the measuring mechanism (500) and the plate-like structure (10).