CN212432056U - Bipolar plate height measuring device - Google Patents
Bipolar plate height measuring device Download PDFInfo
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- CN212432056U CN212432056U CN202021644465.8U CN202021644465U CN212432056U CN 212432056 U CN212432056 U CN 212432056U CN 202021644465 U CN202021644465 U CN 202021644465U CN 212432056 U CN212432056 U CN 212432056U
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- pressing plate
- measuring device
- lower pressing
- bipolar plate
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Abstract
The utility model discloses a bipolar plate height measuring device, include: the mechanical arm is connected with a control end; the tail end of the mechanical arm is provided with a detection sensor; lower clamp plate adjustment mechanism, it includes: an X-direction module; a Y-direction module; the two ends of the lower pressing plate are respectively fixed with the X-direction module and the Y-direction module together and move along the X-direction and the Y-direction along with the X-direction module and the Y-direction module; the built-in plate is fixed on the upper surface of the lower pressing plate, and the bipolar plate is arranged on the built-in plate; go up pressure plate mechanism, it includes: one end of the sliding rail is positioned below the lower pressing plate, and the other end of the sliding rail is positioned far away from the lower pressing plate; the sliding block is connected to the sliding rail; the upper pressing plate is fixed on the sliding block through an air cylinder, and is lifted relative to the sliding rail and moves along the sliding rail under the action of the air cylinder; and the upper pressing plate is provided with a detection window.
Description
Technical Field
The utility model relates to a fuel cell technical field, more specifically say, to the bipolar plate height measurement device in the fuel cell pile.
Background
The stack of the fuel cell is composed of bipolar plates. The bipolar plate is a rectangular metal sheet which is cut by a laser cutting machine, and after the rectangular metal sheet is cut, the edge of the rectangular metal sheet needs to be cut by a board cutting machine. For the metal single/bipolar plate with finished edge cutting or final state, the contour dimensions including length, width and height need to be obtained to verify the reliability and stability of the edge cutting process.
The existing detection is realized by manual detection of an operator, the operator places the polar plate on a workbench, and then the polar plate is measured by a measuring sensor to read out data. This approach is inefficient and secondly accuracy is difficult to guarantee. The manual placement has great deviation, the upper plane of the polar plate is difficult to ensure to be vertical to the probe of the measuring sensor, so the data obtained are inaccurate, and secondly, the inner plane of the metal bipolar plate is 0.3 mm lower than the outer plane, so certain warpage exists, manual operation cannot be carried out through simple tools for compressing and fixing, and the reliability of the test result cannot be ensured.
SUMMERY OF THE UTILITY MODEL
The application provides a bipolar plate height measuring device, and its aim at overcomes the current problem that manual detection efficiency is low and the precision is difficult to guarantee, the test result reliability is poor.
In order to achieve the technical purpose, the following technical scheme is adopted in the application:
a bipolar plate height measuring device comprising: the mechanical arm is connected with a control end; the tail end of the mechanical arm is provided with a detection sensor; lower clamp plate adjustment mechanism, it includes: an X-direction module; a Y-direction module; the two ends of the lower pressing plate are respectively fixed with the X-direction module and the Y-direction module together and move along the X-direction and the Y-direction along with the X-direction module and the Y-direction module; the built-in plate is fixed on the upper surface of the lower pressing plate, and the bipolar plate is arranged on the built-in plate; go up pressure plate mechanism, it includes: one end of the sliding rail is positioned below the lower pressing plate, and the other end of the sliding rail is positioned far away from the lower pressing plate; the sliding block is connected to the sliding rail; the upper pressing plate is fixed on the sliding block through an air cylinder, and is lifted relative to the sliding rail and moves along the sliding rail under the action of the air cylinder; and the upper pressing plate is provided with a detection window.
Preferably, the upper pressure plate is provided with a groove for avoiding the reinforcing ribs on the bipolar plate.
Preferably, the detection windows are 25 in five rows which are uniformly arranged.
Preferably, the X-direction module comprises an X-direction drive and an X-direction fixing frame fixed on the X-direction drive, and an X-direction positioning guide rod is arranged on the X-direction fixing frame; and the corresponding end of the lower pressing plate is provided with an X-direction fixing hole, and the X-direction fixing hole penetrates through the X-direction positioning guide rod to fix the lower pressing plate on the X-direction module.
Preferably, the Y-direction module comprises a Y-direction drive and a Y-direction fixing frame fixed on the Y-direction drive, and a Y-direction positioning guide rod is arranged on the Y-direction fixing frame; and Y-direction fixing holes are formed in the corresponding ends of the lower pressing plate, penetrate through the Y-direction positioning guide rods and fix the lower pressing plate on the Y-direction module.
Preferably, the upper surface of the lower pressure plate is provided with four positioning pins, and the four positioning pins fix the internal plate from four directions respectively.
Preferably, the detection sensor is a height detection camera.
Preferably, the device further comprises a frame, wherein the mechanical arm, the lower pressing plate adjusting mechanism and the upper pressing plate mechanism are arranged in the frame; and the operation display surface is connected with the control end, and the mechanical arm, the lower press plate adjusting mechanism and the upper press plate mechanism are controlled by the control end.
Owing to adopt above-mentioned technical scheme, this application will await measuring the bipolar plate suppression through the cooperation of holding down plate adjustment mechanism and last holding down plate mechanism and level and smooth, solves the problem of warping up of manual measurement, improves and measures precision and reliability.
Drawings
FIG. 1 is a schematic overall structure of the present application;
FIG. 2 is a schematic view of a hold down plate adjustment mechanism of the present application;
FIG. 3 is a schematic view of an upper platen mechanism;
FIG. 4 is a schematic view of the lower surface of the upper platen;
fig. 5 is a schematic installation diagram of the lower platen adjustment mechanism and the upper platen mechanism.
Detailed Description
The technical solution of the present invention is further specifically described below by way of examples and with reference to the accompanying drawings.
Referring to fig. 1, the bipolar plate height measuring device of the present application includes a frame 1, a robot arm 2, a height detection camera 3, a lower platen adjusting mechanism 4, an upper platen adjusting mechanism 5, and an operation display surface 6.
The mechanical arm 2 is connected with the control end and fixed in the frame 1. The end of the mechanical arm 2 is provided with a height detection camera 3. The shooting angle of the height detection camera 3 is adjusted by the rotation of the robot arm 2.
Referring to fig. 1 and 2 in combination, the lower platen adjustment mechanism 4 includes an X-direction module 41, a Y-direction module 42, a lower platen 43, and a built-in platen 44.
The X-direction module 41 and the Y-direction module 42 are respectively provided in the rack 1. The X-direction module 41 includes an X-direction driver 411 and an X-direction fixing frame 412 fixed on the X-direction driver 411. An X-positioning guide 413 is arranged on the X-fixing frame 412. An X-direction fixing hole is formed in the corresponding end of the lower pressing plate 43, and the X-direction fixing hole penetrates through the X-direction positioning guide rod 413 to fix the lower pressing plate 43 on the X-direction module 41. Similarly, the Y-direction module 42 includes a Y-direction driver 421 and a Y-direction fixing frame 422 fixed on the Y-direction driver 421, and the Y-direction fixing frame 422 is provided with a Y-positioning guide rod 423. The corresponding end of the lower pressing plate 43 is provided with a Y-direction fixing hole, and the Y-direction fixing hole penetrates through the Y-direction positioning guide rod 423 to fix the lower pressing plate 43 on the Y-direction module 42. In this way, the lower pressing plate 43 can be moved in the X direction and the Y direction by the X direction module 41 and the Y direction module 42, respectively.
Referring to fig. 2, four positioning pins 431 are provided on the upper surface of the lower pressure plate 43. The built-in plate 44 is fixed on the upper surface of the lower pressure plate 43 by four positioning pins 431. The built-in plates 43 are provided in 5 kinds according to the specification of a bipolar plate commonly used. The positioning pins 431 facilitate replacement according to different use requirements. As shown in fig. 2, the built-in board 44 is a flat board structure. The contact surface of the bipolar plate with the inner plate 44 is equal to the upper plane of the inner plate 44, and the inner plane of the bipolar plate is 0.3 mm lower than the outer plane, so that when the bipolar plate is placed on the inner plate 44, the upper surface of the inner plate 44 can not touch the peripheral contour of the bipolar plate, and the inner plate 44 is raised to avoid pressing down the peripheral contour of the bipolar plate when being flattened.
Referring to fig. 3, 4 and 5, the upper platen mechanism 5 of the present application includes a slide rail 51, a slider 52, an upper platen 53 and an air cylinder 54. One end of the slide rail 51 is located below the lower press plate 43, and the other end is located away from the lower press plate 53, which is disposed at a right position near the frame 1 in this embodiment. The slider 52 is connected to the slide rail 51. The upper platen 53 is fixed to the slider 52 by an air cylinder 54. The air cylinder 54 can control the upper platen 53 to move up and down relative to and along the slide rail. As shown in fig. 4, the upper pressure plate 53 is provided with grooves 532 for avoiding the reinforcing ribs of the bipolar plate. So when the pressfitting, the side and the strengthening rib of bipolar plate can not produce the interference to it, ensure that bipolar plate is pressed between top board and holding down plate and is pressed flat, reduce the interference of warping.
As shown in fig. 4, the upper platen 53 is provided with 25 detection windows 531 in five rows. The inspection window 531 exposes a portion of the upper surface of the bipolar plate, which facilitates the photographing inspection by the height inspection camera 3. The upper pressure plate is provided with 25 windows 531, an operator can set an area to be detected on the operation interface, and the mechanical arm 2 moves to a designated area for detection.
As shown in fig. 1, the operation display surface 6 of the present application is connected to the control end, and controls the mechanical arm, the lower platen adjusting mechanism, and the upper platen mechanism through the control end.
Because the flow channel directions of some areas on the bipolar plate are oblique, the inclination is not more than 10 degrees at most, and the flow channel directions are not horizontal, in order to realize the problem of improving the detection precision, the application further provides a method for measuring the height of the bipolar plate by using the bipolar plate height measuring device, which comprises the following steps:
firstly, controlling the upper pressure plate 53 to move to one end of the slide rail 51 far away from the lower pressure plate 43 in a jacking state;
replacing a built-in plate corresponding to the model of the bipolar plate to be tested on the lower pressing plate, and placing the bipolar plate to be tested on the built-in plate; the model of the built-in plate is matched with that of the bipolar plate to be tested, and the inner surface of the bipolar plate to be tested is arranged on the built-in plate;
moving the upper pressing plate to be right above the lower pressing plate, contracting the air cylinder, and descending the upper pressing plate until the upper pressing plate is pressed with the lower pressing plate;
and fourthly, selecting a plurality of measured windows by the mechanical arm according to the model of the polar plate to be measured, and adjusting the measuring angle of the mechanical arm corresponding to the selected windows for measurement. Wherein: firstly, assuming that J windows are provided, and the types of the bipolar plates to be tested are I types; the flow channel angle corresponding to the window to be tested is defined as KD [ I ] [ J ], the value of KD [ I ] [ J ] (namely the flow channel direction angle value of the window corresponding to the bipolar plate to be tested) is input into the control end, and when an operator selects certain windows of polar plates with certain specifications and automatically detects the polar plates, the mechanical arm can rotate at the window position by a specified angle, so that the detection accuracy is ensured.
To sum up, this application is suppressed more through increasing holding down plate adjustment mechanism and last holding down plate mechanism, overcomes the crooked problem of perk of bipolar plate, has increased measuring precision. In addition, the mechanical arm is used for adjusting the flow channel angle of the bipolar plate in a targeted manner, so that the reliability of measurement is further ensured.
The above-described embodiments are merely illustrative of the present invention and are not intended to limit the scope of the present invention. Those skilled in the art will recognize that changes and modifications can be made in the invention as described herein without departing from the scope of the invention as defined by the appended claims.
Claims (8)
1. The bipolar plate height measuring device is characterized by comprising
The mechanical arm is connected with a control end; the tail end of the mechanical arm is provided with a detection sensor;
lower clamp plate adjustment mechanism, it includes:
an X-direction module;
a Y-direction module;
the two ends of the lower pressing plate are respectively fixed with the X-direction module and the Y-direction module together and move along the X-direction and the Y-direction along with the X-direction module and the Y-direction module;
the built-in plate is fixed on the upper surface of the lower pressing plate, and the bipolar plate is arranged on the built-in plate;
go up pressure plate mechanism, it includes:
one end of the sliding rail is positioned below the lower pressing plate, and the other end of the sliding rail is positioned far away from the lower pressing plate;
the sliding block is connected to the sliding rail;
the upper pressing plate is fixed on the sliding block through an air cylinder, and is lifted relative to the sliding rail and moves along the sliding rail under the action of the air cylinder; and the upper pressing plate is provided with a detection window.
2. The bipolar plate height measuring device of claim 1, wherein the upper pressure plate is provided with grooves avoiding the reinforcing ribs on the bipolar plate.
3. A bipolar plate height measuring device as claimed in claim 1 or 2, wherein the detection windows are 25 in five rows arranged uniformly.
4. The bipolar plate height measuring device of claim 1, wherein the X-direction module comprises an X-direction drive and an X-direction mount fixed on the X-direction drive, and the X-direction mount is provided with an X-direction positioning guide; and the corresponding end of the lower pressing plate is provided with an X-direction fixing hole, and the X-direction fixing hole penetrates through the X-direction positioning guide rod to fix the lower pressing plate on the X-direction module.
5. The bipolar plate height measuring device of claim 1, wherein the Y-direction module comprises a Y-direction drive and a Y-direction fixing frame fixed on the Y-direction drive, and a Y-positioning guide bar is arranged on the Y-direction fixing frame; and Y-direction fixing holes are formed in the corresponding ends of the lower pressing plate, penetrate through the Y-direction positioning guide rods and fix the lower pressing plate on the Y-direction module.
6. The bipolar plate height measuring device of claim 1, wherein the lower pressure plate is provided at an upper surface thereof with four positioning pins for fixing the built-in plate from four directions, respectively.
7. The bipolar plate height measuring device of claim 1, wherein the detection sensor is a height detection camera.
8. The bipolar plate height measuring device of claim 1, further comprising a frame, wherein the robot arm, the lower platen adjustment mechanism, and the upper platen mechanism are disposed therein; and the operation display surface is connected with the control end, and the mechanical arm, the lower press plate adjusting mechanism and the upper press plate mechanism are controlled by the control end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021644465.8U CN212432056U (en) | 2020-08-10 | 2020-08-10 | Bipolar plate height measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021644465.8U CN212432056U (en) | 2020-08-10 | 2020-08-10 | Bipolar plate height measuring device |
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| Publication Number | Publication Date |
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| CN212432056U true CN212432056U (en) | 2021-01-29 |
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| CN202021644465.8U Active CN212432056U (en) | 2020-08-10 | 2020-08-10 | Bipolar plate height measuring device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115077451A (en) * | 2022-07-11 | 2022-09-20 | 湖北亿纬动力有限公司 | Test equipment and test method for thickness of battery pole piece |
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2020
- 2020-08-10 CN CN202021644465.8U patent/CN212432056U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115077451A (en) * | 2022-07-11 | 2022-09-20 | 湖北亿纬动力有限公司 | Test equipment and test method for thickness of battery pole piece |
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