A sealing gasket thickness detection device for an alkaline electrolyzer

Abstract

The utility model discloses a kind of sealing gasket thickness detection equipment of alkaline electrolytic cell, comprising: rotatable platform, for disposing sealing gasket;Multiple detection sites, different parts of the sealing gasket are respectively corresponded, and multiple the detection site is set on the rotatable platform;At least one thickness measuring instrument, for measuring the thickness of the sealing gasket and each the corresponding part of detection site.The utility model has the advantages of high measuring efficiency, small error, and can carry out multipoint measurement to sealing gasket, to ensure the consistency of sealing gasket overall thickness.

Description

Technical Field

[0001] This utility model relates to the field of sealing gasket technology, specifically to a sealing gasket thickness detection device for an alkaline electrolytic cell. Background Technology

[0002] The thickness requirement of the sealing gasket for alkaline electrolytic cells is one of the key parameters to ensure its sealing performance. The thickness tolerance of the sealing gasket for industrial-grade alkaline electrolytic cells needs to be controlled within the range of ≤0.05mm to ensure the uniformity of pressure between the electrodes and the consistency of sealing.

[0003] Before being put into use, gaskets need to have their thickness and other parameters accurately measured. Currently, the industry typically uses manual measurement methods, employing tools such as vernier calipers to measure the thickness of gaskets. This method is time-consuming and labor-intensive, and since the thickness of each gasket needs to be measured individually, the accuracy requirements are relatively high, placing high demands on the inspectors and making it prone to measurement errors.

[0004] To improve testing efficiency and reduce errors, some existing technologies use a rotatable worktable to drive multiple gaskets to rotate and then use a thickness measuring instrument to measure the thickness of the gaskets. Examples include a gasket thickness measuring device (application number CN202322374809.8) and a gasket thickness measuring device (application number CN202311230544.2). However, the gaskets in alkaline electrolytic cells are annular and typically have a large diameter. When measuring their thickness, multiple measurements at different locations on the gasket are required to ensure consistent overall thickness. Existing gasket measuring devices are suitable for small-diameter gaskets, using single-point measurement for each gasket to identify non-compliant gaskets from a pool of gaskets. This approach fails to meet the requirements for measuring the thickness of gaskets in alkaline electrolytic cells.

[0005] Therefore, it is necessary to develop a device for detecting the thickness of sealing gaskets in alkaline electrolytic cells to overcome the shortcomings in current practical applications. Utility Model Content

[0006] To address the shortcomings of existing technologies, this invention proposes a gasket thickness detection device for alkaline electrolytic cells. This device offers high measurement efficiency, low error, and the ability to perform multi-point measurements on the gaskets to ensure the overall consistency of their thickness.

[0007] The technical solution of this utility model is implemented as follows: A device for detecting the thickness of a sealing gasket in an alkaline electrolytic cell, comprising: A rotatable platform for mounting sealing gaskets; Multiple detection positions are respectively corresponding to different parts of the sealing gasket, and the multiple detection positions are arranged around the rotatable platform; At least one thickness measuring instrument is used to measure the thickness of the sealing gasket at the corresponding locations of each of the detection positions.

[0008] In a preferred embodiment, the detection position includes a measuring port disposed on the rotatable platform, with one end of the measuring port being an open end and the other end of the measuring port extending toward the center point of the detection position.

[0009] In a preferred embodiment, at least one gasket fixing device is provided on the rotatable platform. The gasket fixing device is movably disposed on the rotatable platform via a guide structure, and the moving direction of the gasket fixing device is towards or away from the center point of the rotatable platform.

[0010] In a preferred embodiment, the gasket fixing device includes a clamp that is movably connected to the guide structure, and the clamp is provided with a positioning mechanism for fixing the relative position of the clamp on the rotatable platform.

[0011] In a preferred embodiment, the clamp includes a cylinder and a pressure block. The cylinder is movably connected to the guide structure and is detachably connected to the rotatable platform via the positioning mechanism. The piston rod end of the cylinder is connected to the pressure block, driving the pressure block to be adjustable at least in the height direction.

[0012] In a preferred embodiment, the positioning mechanism includes a positioning seat, which is fixedly connected to the cylinder, and the positioning seat is provided with at least one positioning port. Additionally, the rotatable platform is provided with a plurality of positioning holes, which are linearly arranged toward the center point of the rotatable platform, and each positioning hole can be detachably connected to the positioning port by a positioning bolt.

[0013] In a preferred embodiment, the thickness measuring instrument includes a sensing head assembly connected to a moving module for driving it in and out of the measuring port.

[0014] In a preferred embodiment, the sensing head assembly includes a bracket connected to the output end of the mobile module, and an upper sensing head and a lower sensing head are respectively provided at the upper and lower ends of the bracket. When the sensing head assembly is located at the measurement port, the upper sensing head and the lower sensing head are respectively located on the upper and lower sides of the sealing gasket.

[0015] In a preferred embodiment, the rotatable platform includes a turntable, the detection position and the shim fixing device are both disposed on the turntable, and it also includes a base, on which a rotation power device is disposed for driving the turntable to rotate axially, and the rotation power device is electrically connected to a control panel.

[0016] In a preferred embodiment, the system further includes several limiting fixtures, which are arranged around the edge of the upper surface of the turntable. Each limiting fixture has at least one upper limiting hole, and the turntable has multiple sets of lower limiting holes arranged linearly toward the center point of the turntable. Each lower limiting hole can be detachably connected to the upper limiting hole by a limiting bolt. Additionally, the bottom of the base is provided with several shock absorbers.

[0017] Compared with the prior art, the present invention has the following advantages: By setting multiple detection positions on a rotatable platform, when the gasket is placed on the platform, each detection position corresponds to a different part of the gasket. As the rotatable platform rotates and drives the gasket to rotate, the different parts of the gasket can be rotated sequentially to the position of the thickness measuring instrument. The thickness of the gasket is then measured automatically by the thickness measuring instrument, which has high measurement efficiency and small error. Furthermore, by measuring multiple parts of the gasket corresponding to each detection position, the thickness measuring instrument achieves the effect of multi-point measurement, effectively ensuring the consistency of the overall thickness of the gasket. Attached Figure Description

[0018] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0019] Figure 1 This is a schematic diagram of the overall structure of this utility model; Figure 2 For the present utility model Figure 1 A magnified view of part A in the middle; Figure 3 For the present utility model Figure 1 A magnified view of part B in the middle section; Figure 4 This is a bottom view of the present invention; Figure 5 For the present utility model Figure 4 A magnified view of part C in the middle.

[0020] Figure label: Rotatable platform-1, turntable-11, base-12, control panel-13; Thickness measuring instrument-2, sensing head assembly-21, bracket-211, upper sensing head-212, lower sensing head-213, moving module-22; Measuring port -3; Gasket fixing device-4, clamp-41, cylinder-411, pressure block-412, positioning mechanism-42, positioning seat-421, positioning port-422, positioning hole-423; Guide structure -5; Limiting fixture-6, upper limit hole-601, lower limit hole-602; Shock absorber-7; Maximum diameter gasket-101; Minimum diameter gasket-102. Detailed Implementation

[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0022] In the description of this utility model, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing this utility model and for simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model. Furthermore, the terms "first," "second," "third," and "fourth," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0023] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0024] Reference Figures 1-5 A device for detecting the thickness of a sealing gasket in an alkaline electrolytic cell, comprising: A rotatable platform 1 is used to place the sealing gasket and is capable of driving the sealing gasket to rotate axially; Multiple detection positions are respectively corresponding to different parts of the sealing gasket, and the multiple detection positions are arranged around the rotatable platform 1; At least one thickness measuring instrument 2 is used to measure the thickness of the sealing gasket and the corresponding parts of each of the detection positions.

[0025] Preferably, the thickness measuring instrument 2 is one unit, and the detection positions are eight units, equidistantly distributed around the rotatable platform 1. In use, the rotatable platform 1 drives the sealing gasket placed on its top surface to rotate axially, causing the parts on the sealing gasket corresponding to the eight detection positions to rotate sequentially to the position of the thickness measuring instrument 2. This allows the thickness measuring instrument 2 to perform a thickness measurement on the sealing gasket. Thus, with one rotation of the sealing gasket, the thickness measuring instrument 2 can measure the thickness of eight different parts on the sealing gasket, effectively completing the overall thickness consistency check of the sealing gasket. This eliminates the need for manual measurement by personnel, resulting in high measurement efficiency, small error, and effectively ensuring the quality of the sealing gaskets subsequently put into use.

[0026] Optionally, the number of thickness measuring instruments 2 is two or more, so that the overall thickness consistency of the sealing gasket can be effectively detected without rotating the sealing gasket once during the detection process, resulting in higher detection efficiency.

[0027] Optionally, the number of detection bits can be 4-12, such as 4, 6, 10 or 12. The specific number can be selected according to actual needs, and no further restrictions are imposed here.

[0028] Furthermore, the detection position includes a measuring port 3, which is disposed on the rotatable platform 1, and one end of the measuring port 3 is an open end, while the other end of the measuring port 3 extends toward the center point of the detection position.

[0029] The design of the measuring port 3 creates a notch at the edge of the rotatable platform 1. When the gasket to be tested is placed on the rotatable platform 1, the part of the gasket corresponding to the measuring port 3 is suspended, exposing both the upper and lower surfaces of the gasket. At this time, the position of the upper and lower surfaces of the gasket can be measured by laser beam method, that is, by using two laser sensors to beam at each other, and the thickness of the gasket corresponding to the measuring port 3 can be calculated by the difference in the distance.

[0030] Furthermore, multiple measuring ports 3 are distributed around the center point of the rotatable platform 1, and the length of the measuring ports 3 is much greater than the width of the sealing gasket. This allows sealing gaskets of different diameters to be coaxially placed on the detection position, with the corresponding parts of the sealing gaskets of different diameters located directly above each measuring port 3 and partially exposed on their lower surfaces. This enables the thickness measuring instrument 2 to measure sealing gaskets of different diameters.

[0031] Optionally, the length of the measuring port 3 is equal to the difference between the outer diameter of the largest diameter sealing gasket 101 and the inner diameter of the smallest diameter sealing gasket 102 commonly available on the market.

[0032] Furthermore, at least one gasket fixing device 4 is provided on the rotatable platform 1 to fix the sealing gasket and prevent the sealing gasket from detaching from the rotatable platform during rotation; the gasket fixing device 4 is movably disposed on the rotatable platform 1 through the guide structure 5, and the moving direction of the gasket fixing device 4 is closer to or farther from the center point of the rotatable platform 1. By adjusting the distance between the gasket fixing device 4 and the center point of the rotatable platform 1, sealing gaskets of different diameters can be fixed.

[0033] Preferably, there are 16 gasket fixing devices 4, and each gasket fixing device 4 is symmetrically arranged in pairs on both sides of each detection position, which can fix the sealing gasket on both sides of the corresponding measuring port 3.

[0034] Reference Figure 2 and Figure 5 The gasket fixing device 4 includes a clamp 41, which is movably connected to the guide structure 5. The clamp 41 is provided with a positioning mechanism 42 for fixing the relative position of the clamp 41 on the rotatable platform 1, thereby fixing the relative position of the sealing gasket on the rotatable platform 1 by the clamp 41.

[0035] Reference Figure 3 The clamp 41 includes a cylinder 411 and a pressure block 412. The cylinder 411 is movably connected to the guide structure 5 and is detachably connected to the rotatable platform 1 through the positioning mechanism 42. The piston rod end of the cylinder 411 is connected to the pressure block 412, driving the pressure block 412 to be adjustable at least in the height direction.

[0036] Preferably, the guide structure 5 is a strip-shaped opening on the rotatable platform 1, and its length direction is parallel to the length direction of the measuring port 3. The cylinder 411 is slidably engaged with the guide structure 5, and the cylinder 411 is detachably mounted on the bottom surface of the rotatable platform 1 through the positioning mechanism 42. Furthermore, the piston rod end of the cylinder 411 passes through the guide structure 5 and is connected to the pressure block 412.

[0037] Optionally, the cylinder 411 is a rotary pressing cylinder, also known as a rotary clamping cylinder or a corner cylinder, and the piston rod can rotate 90 degrees to the right or left while extending and retracting, driving the pressure block 412 to press the sealing gasket onto the surface of the rotatable platform 1.

[0038] It is understandable that linear drive mechanisms such as electric cylinders or hydraulic cylinders can be used to replace the cylinder 411 in order to drive the height of the pressure block 412 to change reciprocally.

[0039] Reference Figure 5 The positioning mechanism 42 includes a positioning seat 421, which is fixedly connected to the cylinder 411. The positioning seat 421 is provided with at least one positioning port 422. The rotatable platform 1 is provided with a plurality of positioning holes 423, which are linearly arranged in a direction close to the center point of the rotatable platform 1. Each positioning hole 423 can be detachably connected to the positioning port 422 by a positioning bolt (not shown).

[0040] When it is necessary to fix sealing gaskets of different diameters, push the clamp 41 to move along the guide structure 5, and drive the positioning seat 421 to move to a position close to the sealing gasket. Then, thread the threaded rod of the positioning bolt through the positioning port 422 and thread it to the corresponding positioning hole 423. This can achieve the effect of fixing the relative position of the clamp 41 on the rotatable platform 1.

[0041] Reference Figure 2 The thickness measuring instrument 2 includes a sensing head assembly 21, which is connected to a moving module 22 for driving it in and out of the measuring port 3.

[0042] The moving module 22 is a horizontal linear moving module that can drive the sensing head assembly 21 to move towards / away from the center point of the rotatable platform 1. When the rotatable platform 1 rotates until the distance between the part of the sealing gasket to be detected and the sensing head assembly 21 reaches its minimum, the rotatable platform 1 stops rotating. The moving module 22 drives the sensing head assembly 21 to move a preset distance towards the center point of the rotatable platform 1, so that the sensing head assembly 21 moves into the measurement port 3, thereby bringing the part of the sealing gasket to be detected into the detection range of the sensing head assembly 21. At this time, the sensing head assembly 21 starts and measures the thickness of the sealing gasket. After the measurement is completed, the moving module 22 drives the sensing head assembly 21 to move in the opposite direction and exit the measurement port 3 for reset. At this time, the rotatable platform 1 can rotate again, driving the next part of the sealing gasket to be detected to rotate and move to a preset position close to the sensing head assembly 21.

[0043] Understandably, the smaller the diameter of the gasket to be measured, the greater the distance that the moving module 22 drives the sensing head assembly 21 to move toward the center point of the rotatable platform 1, thereby enabling the measurement of gaskets of different diameters.

[0044] Furthermore, the sensing head assembly 21 includes a bracket 211, which is connected to the output end of the moving module 22. The upper and lower ends of the bracket 211 are respectively provided with an upper sensing head 212 and a lower sensing head 213. When the sensing head assembly 21 is located at the measurement port 3, the upper sensing head 212 and the lower sensing head 213 are respectively located on the upper and lower sides of the sealing gasket. Thus, the position of the upper and lower surfaces of the sealing gasket can be measured by laser beam method, that is, by using two laser sensors to beam at each other, and the thickness of the sealing gasket corresponding to the measurement port 3 can be calculated by the distance difference.

[0045] Reference Figure 1 and Figure 4 The rotatable platform 1 includes a turntable 11, on which the detection positions and gasket fixing devices 4 are mounted. It also includes a base 12, on which a rotational power device is mounted to drive the turntable 11 to rotate axially. The rotational power device is electrically connected to a control panel 13. Under the control of the control panel 13, the rotational power device drives the turntable 11 to rotate axially by a preset angle, enabling each detection position and its corresponding sealing gasket to rotate and move sequentially to a preset position close to the sensing head assembly 21.

[0046] Preferably, the rotary power device is a geared motor, a hydraulic motor, or a rotary cylinder.

[0047] Preferably, the fixture 41 and the thickness measuring instrument 2 are electrically connected to the control panel 13, which can effectively realize the coordinated work of each mechanism and improve the detection efficiency.

[0048] Reference Figure 1 It also includes several limiting fixtures 6, which are arranged around the edge of the upper surface of the turntable 11. The inner sidewall of the limiting fixture 6 and the outer sidewall of the sealing gasket can restrict the degree of freedom of the sealing gasket in the horizontal direction. Furthermore, the limiting fixture 6 is provided with at least one upper limiting hole 601, and the turntable 11 is provided with multiple sets of lower limiting holes 602 arranged linearly towards the center point of the turntable 11. Each lower limiting hole 602 can be detachably connected to the upper limiting hole 601 by a limiting bolt (not shown). Thus, the distance from the limiting fixture 6 to the center point of the turntable 11 and the lower limiting hole 602 threaded after the limiting bolt passes through the lower limiting hole 602 can be changed according to the different diameters of the sealing gasket, so as to achieve the effect of limiting the sealing gaskets of different diameters.

[0049] Preferably, the limiting fixture 6 is an arc-shaped strip whose curvature matches the curvature of the sealing gasket, so that when the limiting fixture 6 limits the sealing gasket, the inner sidewall of the limiting fixture 6 can better fit the outer sidewall of the sealing gasket.

[0050] Preferably, the bottom of the base 12 is provided with a plurality of shock absorbers 7, which can reduce the impact of external vibration on the test results during operation.

[0051] Furthermore, the number of shock absorbers is four, which are respectively set at the four corners of the bottom surface of the base 12.

[0052] Working principle of this utility model: In use, the gasket to be tested is placed coaxially on the turntable 11. The positions of each clamp 41 and each limiting fixture 6 on the turntable 11 are adjusted according to the diameter of the gasket, so that the inner wall of the limiting fixture 6 abuts against the outer wall of the gasket. After the clamp 41 is moved to a position that can clamp and press the gasket, the limiting fixture 6 is fixed by screwing in the limiting bolts, and the cylinder is fixed by screwing in the positioning bolts. Then, the cylinder 411 is activated via the control panel 13. The cylinder 411 drives the pressure block 412 to lower its height until the pressure block 412 presses the gasket tightly against the upper surface of the turntable 11. Then, the moving module 22 is activated, driving the sensing head assembly 21 to move and enter the first measuring port 3. The sensing head assembly 21 then presses the gasket... The thickness of the first part of the gasket is measured. Then, the moving module 22 drives the sensing head assembly 21 to move in the opposite direction until the sensing head assembly 21 exits the measuring port 3. Then, the rotating power device drives the turntable 11 to rotate axially by a preset angle, so that the next detection position and the corresponding part of the sealing gasket rotate and move to a position close to the sensing head assembly 21. The steps of thickness measurement by the thickness measuring instrument 2 and rotation of the turntable 11 are repeated in this way until the turntable 11 rotates one full circle. The thickness measuring instrument 2 can perform multi-point measurement on the sealing gasket and measure the thickness of different parts of the sealing gasket in sequence, thereby effectively completing the check of the overall thickness consistency of the sealing gasket. The measurement efficiency is high and the error is small, which effectively ensures the quality of the sealing gaskets put into use later.

[0053] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A device for detecting the thickness of a sealing gasket in an alkaline electrolytic cell, characterized in that, include: Rotatable platform (1) for placing sealing gaskets; Multiple detection positions are respectively corresponding to different parts of the sealing gasket, and the multiple detection positions are arranged around the rotatable platform (1); At least one thickness measuring instrument (2) is used to measure the thickness of the sealing gasket and the corresponding parts of each of the detection positions.

2. The device for detecting the thickness of a sealing gasket in an alkaline electrolytic cell according to claim 1, characterized in that: The detection position includes a measuring port (3), which is disposed on the rotatable platform (1), and one end of the measuring port (3) is an open end, while the other end of the measuring port (3) extends toward the center point of the detection position.

3. The device for detecting the thickness of the sealing gasket in an alkaline electrolytic cell according to claim 1, characterized in that: At least one gasket fixing device (4) is provided on the rotatable platform (1). The gasket fixing device (4) is movably provided on the rotatable platform (1) through a guide structure (5), and the moving direction of the gasket fixing device (4) is closer to or farther away from the center point of the rotatable platform (1).

4. The device for detecting the thickness of a sealing gasket in an alkaline electrolytic cell according to claim 3, characterized in that: The gasket fixing device (4) includes a clamp (41), which is movably connected to the guide structure (5), and the clamp (41) is provided with a positioning mechanism (42) for fixing the relative position of the clamp (41) on the rotatable platform (1).

5. The device for detecting the thickness of a sealing gasket in an alkaline electrolytic cell according to claim 4, characterized in that: The clamp (41) includes a cylinder (411) and a pressure block (412). The cylinder (411) is movably connected to the guide structure (5), and the cylinder (411) is detachably connected to the rotatable platform (1) through the positioning mechanism (42). The piston rod end of the cylinder (411) is connected to the pressure block (412), driving the pressure block (412) to be adjustable at least in the height direction.

6. The device for detecting the thickness of a sealing gasket in an alkaline electrolytic cell according to claim 5, characterized in that: The positioning mechanism (42) includes a positioning seat (421), which is fixedly connected to the cylinder (411). The positioning seat (421) is provided with at least one positioning port (422). The rotatable platform (1) is provided with a plurality of positioning holes (423). The plurality of positioning holes (423) are linearly arranged in a direction close to the center point of the rotatable platform (1), and each positioning hole (423) can be detachably connected to the positioning port (422) by a positioning bolt.

7. The device for detecting the thickness of a sealing gasket in an alkaline electrolytic cell according to claim 2, characterized in that: The thickness measuring instrument (2) includes a sensing head assembly (21), which is connected to a moving module (22) for driving it in and out of the measuring port (3).

8. The device for detecting the thickness of a sealing gasket in an alkaline electrolytic cell according to claim 7, characterized in that: The sensing head assembly (21) includes a bracket (211), which is connected to the output end of the mobile module (22). The upper and lower ends of the bracket (211) are respectively provided with an upper sensing head (212) and a lower sensing head (213). When the sensing head assembly (21) is located at the measuring port (3), the upper sensing head (212) and the lower sensing head (213) are respectively located on the upper and lower sides of the sealing gasket.

9. A device for detecting the thickness of a sealing gasket in an alkaline electrolytic cell according to any one of claims 1 to 6, characterized in that: The rotatable platform (1) includes a turntable (11), the detection position and the gasket fixing device (4) are both set on the turntable (11), and also includes a base (12), on which a rotation power device is provided to drive the turntable (11) to rotate axially, and the rotation power device is electrically connected to a control panel (13).

10. The device for detecting the thickness of a sealing gasket in an alkaline electrolytic cell according to claim 9, characterized in that: It also includes several limiting fixtures (6), which are arranged around the edge of the upper surface of the turntable (11). Each limiting fixture (6) is provided with at least one upper limiting hole (601). The turntable (11) is provided with multiple sets of lower limiting holes (602) arranged linearly toward the center point of the turntable (11). Each lower limiting hole (602) can be detachably connected to the upper limiting hole (601) by a limiting bolt. The bottom of the base (12) is provided with several shock absorbers (7).

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