Cleaning agent pH value sampling inspection device

Abstract

A sampling inspection device for the pH value of a cleaning agent belongs to the technical field of cleaning agent detection and comprises a detection table, a fixed shell is fixedly mounted on the detection table, a cover body is detachably mounted on the fixed shell, a through groove is formed in the cover body, and a rotary detection disc is rotationally arranged in an inner cavity of the fixed shell; a plurality of first hole sites and second hole sites are formed in the rotary detection disc in the circumferential direction at equal intervals. According to the utility model, the samples can be quickly and orderly switched to the lower part of the sampler for sampling inspection, a plurality of samples can be orderly placed, and the samples to be detected are easily and accurately conveyed to a detection position through rotation, so that the detection efficiency is greatly improved, the samples are placed in definite positions and sequences, the confusion is avoided, and the accuracy of a detection result is ensured; and the sample detection conversion is quicker than manual operation, and the rotating design of the sample disc is convenient for operators to place and select samples in order, so that the detection efficiency is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of cleaning agent detection, and particularly relates to a device for randomly inspecting the pH value of a cleaning agent. Background Art

[0002] In the related art (publication number: CN216285187U), a device for randomly inspecting the pH value of a cleaning agent is disclosed. The cleaning tank includes a tank body with a top opening structure. The tank body is fixed on the box body. A tank cover is arranged at the top of the tank body. A round hole is opened on the tank cover. The lower end of the pH detection head is inserted into the round hole. A cleaning spray head and a drain port are arranged at the bottom of the tank body. The cleaning spray head faces the pH detection head. It can automatically clean the cleaning agent remaining on the detection probe and effectively improve the accuracy of randomly inspecting the pH value of the cleaning agent.

[0003] However, in the existing device for randomly inspecting the pH value of a cleaning agent, the switching of samples often relies on manual operation, which is not only inefficient, but also requires repositioning and adjusting the detection instrument every time a sample is replaced. This process is cumbersome and time-consuming, seriously affecting the detection speed. Content of the Utility Model

[0004] Aiming at the problems in the existing technology that the switching of samples often relies on manual operation, which is not only inefficient, but also requires repositioning and adjusting the detection instrument every time a sample is replaced. This process is cumbersome and time-consuming, seriously affecting the detection speed, etc., the utility model provides a device for randomly inspecting the pH value of a cleaning agent, which can realize the rapid and orderly switching of samples to the lower part of the sampler for random inspection, realize the orderly placement of multiple samples, and accurately send the samples to be detected to the detection position easily by rotation, greatly improving the detection efficiency. The placement of samples has a clear position and order, avoiding confusion, ensuring the accuracy of the detection result, and the sample detection conversion is faster than manual operation. The specific technical solution is as follows:

[0005] A device for randomly inspecting the pH value of a cleaning agent includes a detection table. A fixed shell is fixedly installed on the detection table. A cover body is detachably installed on the fixed shell. A through groove is opened on the cover body. A rotating detection disk is rotatably arranged in the inner cavity of the fixed shell. A plurality of first holes and second holes are equidistantly arranged along the circumferential direction on the rotating detection disk. And each pair of the corresponding first hole and second hole in the inner and outer positions is a group. A first rotating shaft is fixedly installed at the bottom end of the rotating detection disk. An intermittent rotation unit is arranged at the bottom end of the first rotating shaft. A random inspection unit is arranged at the through groove.

[0006] In the above technical solution, a plurality of support arms are fixedly installed at the bottom end of the inner side wall of the fixed shell. A ring seat is fixedly installed in the middle of the support arm. And the bottom end of the first rotating shaft is rotatably connected to the inner bottom wall of the ring seat.

[0007] In the above technical solution, the intermittent rotation unit includes a turntable fixedly mounted on the bottom end of the first rotating shaft, a plurality of grooves are equidistantly provided on the side wall of the turntable, a plurality of arc-shaped grooves are equidistantly provided on the side wall of the turntable, the grooves and the arc-shaped grooves are arranged at intervals, a first driving shaft is arranged in the inner cavity of the annular seat for rotation along the vertical direction, a limit plate and a rotating rod are fixedly mounted on the first driving shaft, a toggle pin is vertically mounted on the rotating rod, a first motor is mounted on the bottom end of the annular seat, and an output end of the first motor is connected to the first driving shaft;

[0008] The side wall of the limiting plate is rotatably fitted with the arc-shaped groove, and the push pin is rotatably embedded in the inner cavity of one of the groove bodies.

[0009] In the above technical solution, a plurality of pulleys are arranged on the side wall of the rotating detection disk along the circumferential direction, and the pulleys are rollingly fitted to the inner side wall of the fixed shell.

[0010] In the above technical solution, the sampling unit includes a driving component;

[0011] The driving assembly includes a mounting base fixedly mounted on the detection platform, a second motor is mounted on the mounting base, a second driving shaft is connected to the output end of the second motor, and the bottom end of the second driving shaft is rotatably connected to the bottom end of the inner wall of the mounting base, a first gear is fixedly mounted on the second driving shaft, a second rotating shaft is rotatably arranged in the mounting base along a vertical direction, and the top end of the second rotating shaft upwardly penetrates the mounting base, a second gear is fixedly mounted on the second rotating shaft, and the second gear is meshingly connected to the side wall of the first gear.

[0012] In the above technical solution, the sampling unit also includes a lifting component;

[0013] The lifting assembly includes a support bracket installed on the top of the second rotating shaft, a first cylinder is installed in the support bracket, a connecting block is fixedly installed on the output end of the top of the first cylinder, and a mounting frame is fixedly installed on the left side wall of the connecting block.

[0014] In the above technical solution, a limiting groove is provided on the inner side wall of the support bracket, a limiting block is slidably embedded in the limiting groove, and the limiting block is fixedly connected to the side wall of the connecting block.

[0015] In the above technical solution, the sampling unit also includes an extraction component;

[0016] The extraction assembly includes a second cylinder installed on the mounting frame, the output end of the second cylinder is connected to a lifting plate, two extraction rods are respectively installed at the bottom end of the lifting plate, two samplers are installed at the bottom end of the mounting frame, and each of the extraction rods is slidably embedded in the inner cavity of the sampler, and a rubber pad is provided on the side wall of the extraction rod embedded in the inner cavity of the sampler.

[0017] Compared with the prior art, the cleaning agent pH sampling device of the utility model has the following beneficial effects:

[0018] First, the existing sample switching often relies on manual operation, which is not only inefficient, but also requires repositioning and adjusting the detection instrument each time the sample is changed. This process is cumbersome and time-consuming, which seriously affects the detection speed. The utility model can realize the rapid and orderly switching of samples to the bottom of the sampler for random inspection through the intermittently rotating rotating detection disk, the first hole position, and the second hole position, so as to realize the orderly placement of multiple samples, and easily send the samples to be tested to the detection position accurately through rotation, which greatly improves the detection efficiency. The placement of samples has a clear position and order, which avoids confusion and ensures the accuracy of the test results. Compared with manual operation, the sample detection conversion is faster, and the rotating design of the sample disk is convenient for operators to place and select samples in an orderly manner, thereby improving the detection efficiency.

[0019] Second, the utility model can realize the intermittent rotation of the turntable through the cooperation of the first rotating shaft, the turntable, the slot body, the arc-shaped groove, the first driving shaft, the limit plate, the rotating rod, and the toggle pin, and then realize the intermittent rotation of the first rotating shaft, the rotating detection plate, the first hole position, and the second hole position, so as to promote the orderly intermittent rotation of the samples placed in the first hole position and the second hole position to the bottom of the sampler for detection;

[0020] 3. The utility model can prompt the sampler to extract samples through the second cylinder, the lifting plate, the extraction rod and the sampler, so as to realize the collection of samples and facilitate subsequent collection;

[0021] Fourth, the utility model can promote the sampler after sampling to be separated upward from the inner cavity of the rotating detection disk through the cooperation of the first cylinder, the connecting block and the mounting frame, so as to realize the free lifting and lowering processing of the sampler after sampling and detection;

[0022] 5. The utility model can realize that the second rotating shaft drives the support frame, the mounting frame and the sampler to rotate synchronously through the second motor, the second driving shaft, the second driving shaft, the first gear and the second rotating shaft, so as to cause the sampler to rotate and separate from the rotating detection disk after sampling, so as to realize the reverse delivery of the sample after sampling in the sampler, and the sample can be squeezed out without disassembling the sampler;

[0023] In summary, the utility model can realize the rapid and orderly switching of samples to the bottom of the sampler for random inspection, realize the orderly placement of multiple samples, and easily and accurately deliver the samples to be tested to the testing position through rotation, thereby greatly improving the detection efficiency. The placement of samples has a clear position and order, thus avoiding confusion and ensuring the accuracy of the test results. Moreover, the sample detection conversion is faster than manual operation, and the rotating design of the sample tray facilitates the operator to place and select samples in an orderly manner, thereby improving the detection efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is a structural schematic diagram of the fixed shell of the utility model;

[0025] Figure 2 This is a schematic diagram of the structure of the rotating detection disk of the utility model;

[0026] Figure 3 This is a schematic diagram of the structure of the turntable of the utility model;

[0027] Figure 4 This is a schematic diagram of the structure of the annular seat of the utility model;

[0028] Figure 5 This is a schematic diagram of the structure of the support frame of the utility model;

[0029] Figures 1 to 5 In the embodiment, 1, detection table, 2, fixed shell, 3, cover body, 4, through slot, 5, handle, 6, rotating detection disk, 7, first hole position, 8, second hole position, 9, first rotating shaft, 10, turntable, 11, slot body, 12, arc groove, 13, first driving shaft, 14, limiting plate, 15, rotating rod, 16, toggle pin, 17, first motor, 18, annular seat, 19, supporting arm, 20, pulley, 21, mounting seat, 22, second motor, 23, second driving shaft, 24, first gear, 25, second rotating shaft, 26, second gear, 27, supporting bracket, 28, first cylinder, 29, connecting block, 30, mounting bracket, 31, second cylinder, 32, lifting plate, 33, withdrawal rod, 34, sampler, 35, limiting slot, 36, limiting block. DETAILED DESCRIPTION

[0030] The following is a combination of specific implementation cases and attached Figures 1 to 5 The present invention is further described below, but the present invention is not limited to these embodiments.

[0031] See also Figures 1 to 5As shown, a cleaning agent pH sampling inspection device comprises a testing platform 1, a fixed shell 2 is fixedly mounted on the testing platform 1, a cover body 3 is detachably mounted on the fixed shell 2, a through slot 4 is provided on the cover body 3, a rotating testing disk 6 is rotatably arranged in the inner cavity of the fixed shell 2, a plurality of first hole positions 7 and second hole positions 8 are equidistantly arranged in the circumferential direction on the rotating testing disk 6, and the first hole positions 7 and second hole positions 8 corresponding to each inner and outer position are a group, a first rotating shaft 9 is fixedly mounted on the bottom end of the rotating testing disk 6, an intermittent rotating unit is provided at the bottom end of the first rotating shaft 9, and a sampling inspection unit is provided at the through slot 4 The unit can realize fast and orderly switching of samples to the bottom of the sampling unit for sampling through the intermittently rotating rotating detection disk 6, the first hole position 7, and the second hole position 8, so as to realize orderly placement of multiple samples, and easily and accurately deliver the samples to be tested to the testing position through rotation, thereby greatly improving the testing efficiency. The placement of samples has a clear position and sequence, thus avoiding confusion and ensuring the accuracy of the test results. Moreover, the sample testing conversion is faster than manual operation, and the rotating design of the sample disk facilitates the operator to place and select samples in an orderly manner, thereby improving the testing efficiency.

[0032] Main references Figure 4 As shown, a plurality of support arms 19 are fixedly installed at the bottom end of the inner wall of the fixed shell 2, an annular seat 18 is fixedly installed in the middle of the support arm 19, and the bottom end of the first rotating shaft 9 is rotatably connected to the bottom end of the inner wall of the annular seat 18, and the connection and installation of the annular seat 18 in the fixed shell 2 is realized through the support arm 19.

[0033] Main references Figure 2 and Figure 3 As shown, the intermittent rotation unit includes a turntable 10 fixedly mounted on the bottom end of the first rotating shaft 9, a plurality of slots 11 are equidistantly provided on the side wall of the turntable 10, a plurality of arc-shaped grooves 12 are equidistantly provided on the side wall of the turntable 10, the slots 11 and the arc-shaped grooves 12 are arranged at intervals, a first driving shaft 13 is arranged in the inner cavity of the annular seat 18 for rotation along the vertical direction, a limit plate 14 and a rotating rod 15 are fixedly mounted on the first driving shaft 13, a toggle pin 16 is vertically mounted on the rotating rod 15, a first motor 17 is mounted on the bottom end of the annular seat 18, and the output end of the first motor 17 is connected to the first driving shaft 13; wherein, the side wall of the limit plate 14 is rotationally fitted with the arc-shaped groove 12, and the toggle pin 16 is rotationally embedded in the inner cavity of one of the slots 11;

[0034] The turned-on first motor 17 drives the first drive shaft 13, the limit plate 14, the rotating rod 15, and the toggle pin 16 to rotate synchronously. After the toggle pin 16 rotates to be embedded in the inner cavity of the slot body 11, the turntable 10 is driven to rotate until the toggle pin 16 rotates to be out of the inner cavity of the slot body 11. At this time, the side wall of the limit plate 14 is accurately embedded in the corresponding arc groove 12 at this time, so as to limit the rotated turntable 10, thereby realizing the intermittent rotation of the turntable 10 and the limiting after rotation. The intermittently rotating turntable 10 drives the first rotating shaft 9, the rotating detection disk 6, the first hole position 7 and the second hole position 8 The samples placed in the synchronous intermittent rotation, because the number of groups of the first hole position 7 and the second hole position 8 is the same as the number of the slot body 11, to ensure that the turntable 10 rotates intermittently once, a group of the first hole position 7 and the second hole position 8 are driven to rotate to the through slot 4 for inspection.

[0035] Specific reference Figure 3 As shown, a plurality of pulleys 20 are circumferentially arranged on the side wall of the rotating detection disk 6, and the pulley 20 rolls against the inner wall of the fixed shell 2. When the rotating detection disk 6 rotates, the pulley 20 can be driven to roll along the inner wall of the fixed shell 2, thereby ensuring that the rotating detection disk 6 rotates while the relative rotation connection between the rotating detection disk 6 and the fixed shell 2 is realized through the pulley 20.

[0036] Main references Figure 1 , Figure 2 and Figure 5 As shown, the sampling unit includes a driving assembly; the driving assembly includes a mounting base 21 fixedly mounted on the detection table 1, a second motor 22 is mounted on the mounting base 21, a second driving shaft 23 is connected to the output end of the second motor 22, and the bottom end of the second driving shaft 23 is rotatably connected to the bottom end of the inner wall of the mounting base 21, a first gear 24 is fixedly mounted on the second driving shaft 23, a second rotating shaft 25 is rotatably arranged in the mounting base 21 along the vertical direction, and the top end of the second rotating shaft 25 upwardly penetrates the mounting base 21, a second gear 26 is fixedly mounted on the second rotating shaft 25, and the second gear 26 is meshed with the side wall of the first gear 24, and the second driving shaft 23 and the first gear 24 are driven to rotate by the turned-on second motor 22, so as to prompt the second gear 26 meshed with the outer wall of the first gear 24 to drive the second rotating shaft 25 to rotate.

[0037] See also Figure 5As shown, the sampling inspection unit further includes a lifting assembly; the lifting assembly includes a bearing bracket 27 installed at the top end of the second rotating shaft 25. A first air cylinder 28 is installed inside the bearing bracket 27. The output end of the top end of the first air cylinder 28 is fixedly installed with a connecting block 29. The left side wall of the connecting block 29 is fixedly installed with a mounting bracket 30. By starting the first air cylinder 28, the connecting block 29, the mounting bracket 30, and the sampler 34 are driven to move downward synchronously; a limiting groove 35 is formed in the inner side wall of the bearing bracket 27. A limiting block 36 is slidably embedded in the limiting groove 35, and the limiting block 36 is fixedly connected to the side wall of the connecting block 29. When the connecting block 29 moves up and down, the limiting block 36 is driven to move along the inner cavity of the limiting groove 35, so as to limit the moving direction of the connecting block 29.

[0038] Refer to Figure 5 As shown, the sampling inspection unit further includes an extraction assembly; the extraction assembly includes a second air cylinder 31 installed on the mounting bracket 30. The output end of the second air cylinder 31 is connected with a lifting plate 32. Two extraction rods 33 are respectively installed at the bottom end of the lifting plate 32. Two samplers 34 are installed at the bottom end of the mounting bracket 30. Each extraction rod 33 is slidably embedded in the inner cavity of the sampler 34. A rubber gasket is arranged at the side wall where the extraction rod 33 is embedded into the inner cavity of the sampler 34. By starting the first air cylinder 28, the connecting block 29, the mounting bracket 30, and the sampler 34 are driven to move downward synchronously, so that the sampler 34 moves downward to the samples at the corresponding first hole position 7 and second hole position 8 of the through groove 4, and the sampler 34 is urged to extend into the sample liquid surfaces at the first hole position 7 and the second hole position 8. By starting the second air cylinder 31, the lifting plate 32 and the extraction rods 33 are driven to move upward synchronously, so that the samples at the first hole position 7 and the second hole position 8 are extracted into the sampler 34; by moving the output end of the first air cylinder 28 upward, the mounting bracket 30 and the sampled sampler 34 are synchronously moved upward to disengage from the first hole position 7 and the second hole position 8 of this group.

[0039] The sampling principle of the sampler 34 in which the extraction rod 33 extends into the sample liquid surfaces in the inner cavities of the first hole position 7 and the second hole position 8 is the same as the sampling principle of a syringe on the market: that is, by inserting the sampler 34 into the test sample, pulling the extraction rod 33 upward causes the pressure in the sampler 34 to become smaller, and the atmospheric pressure is used to cause the sample to enter the sampler 34 through the bottom end of the sampler 34.

[0040] It is worth noting that the first cylinder 28 and the second cylinder 31 used in this application are self-locking cylinders commonly used on the market, and their output ends can stay at any position and lock; the first motor 17 and the second motor 22 use self-locking motors commonly used on the market whose output ends can be locked. When they stop working, their output ends can be self-locked and will not rotate under external force. The first motor 17 and the second motor 22 are forward and reverse motors commonly used on the market, and their output ends can rotate forward or reverse according to the use requirements. They can meet the above use requirements; the overall process can be parameterized by the controller to ensure that the above steps are carried out continuously. The controller is a common device in the existing market and is a digital operation electronic system specially designed for use in an industrial environment. It uses a programmable memory to store instructions for performing operations such as logical operations, sequential control, timing, counting and arithmetic operations, and controls various types of mechanical equipment or production processes through digital or analog input and output. The above existing components are not described in detail here.

[0041] The working principle of a cleaning agent pH sampling device in this embodiment is as follows:

[0042] After placing the sample to be tested into the inner cavity of the first hole position 7 and the second hole position 8 at the corresponding position, the cover body 3 is closed on the fixed shell 2 to ensure that except for the single group of first hole positions 7 and second hole positions 8 at the position of the through slot 4 to be tested, the first hole positions 7 and second hole positions 8 at other positions are in a relatively closed environment to ensure the cleanliness of the sample;

[0043] The turned-on first motor 17 drives the first drive shaft 13, the limit plate 14, the rotating rod 15, and the toggle pin 16 to rotate synchronously. After the toggle pin 16 rotates to be embedded in the inner cavity of the slot body 11, the turntable 10 is driven to rotate until the toggle pin 16 rotates to be out of the inner cavity of the slot body 11. At this time, the side wall of the limit plate 14 is accurately embedded in the corresponding arc groove 12 at this time, so as to limit the position of the rotated turntable 10, thereby realizing the intermittent rotation of the turntable 10 and the limiting position after rotation. The intermittently rotating turntable 10 drives the first rotating shaft 9, the rotating detection disk 6, the first hole position 7 and the second hole position 8 The samples placed in the synchronous intermittent rotation, because the number of groups of the first hole position 7 and the second hole position 8 is the same as the number of the slot body 11, to ensure that the turntable 10 rotates intermittently once, a group of the first hole position 7 and the second hole position 8 are driven to rotate to the through slot 4 for inspection;

[0044] Drive the connecting block 29, mounting bracket 30 and sampler 34 to move downward synchronously through the activated first cylinder 28, so that the sampler 34 moves downward to the sample at the first hole position 7 and the second hole position 8 corresponding to the through slot 4, and prompts the sampler 34 to extend into the sample liquid levels at the first hole position 7 and the second hole position 8. Drive the lifting plate 32 and the extraction rod 33 to move upward synchronously through the activated second cylinder 31, so that the samples at the first hole position 7 and the second hole position 8 are extracted into the sampler 34; Move the output end of the first cylinder 28 upward to enable the mounting bracket 30 and the sampled sampler 34 to move upward away from the first hole position 7 and the second hole position 8 of this group; Drive the second drive shaft 23 and the first gear 24 to rotate through the activated second motor 22, so as to prompt the second gear 26 meshed with the outer wall of the first gear 24 to drive the second rotating shaft 25 to rotate, and realize the synchronous rotation of the bearing bracket 27 on the second rotating shaft 25 and the sampled sampler 34 to a suitable position. Then drive the lifting plate 32 and the extraction rod 33 to move downward through the activated second cylinder 31 to push the sample in the sampler 34, so as to realize sample sampling;

[0045] The samples placed in each group of the first hole position 7 and the second hole position 8 are gradually inspected at the through slot 4 through the intermittently rotating rotary detection disk 6. The samples of the corresponding group of the first hole position 7 and the second hole position 8 are sampled by means of the extraction rod 33 and the sampler 34. The sampled sampler 34 is lifted upward away from the through slot 4 by means of the first cylinder 28, and the sampled sampler 34 is pushed to the samples in other directions by means of the rotation of the second rotating shaft 25 and the bearing bracket 27. The overall process can be parameter - set by the controller to ensure the continuous progress of the above steps;

[0046] The utility model can realize the rapid and orderly switching of samples to the lower part of the sampler 34 for sampling inspection, realize the orderly placement of multiple samples, and accurately send the samples to be detected to the detection position easily through rotation, greatly improving the detection efficiency. The placement of samples has clear positions and sequences, avoiding confusion, ensuring the accuracy of the detection results, and the sample detection conversion is faster than manual operation. The rotating design of the sample disk facilitates the operator to place and select samples orderly, improving the detection efficiency.

[0047] The above are only the preferred embodiments of the present utility model and are not used to limit the present utility model. For those skilled in the art, the present utility model can have various changes and modifications. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model shall be included within the protection scope of the present utility model.

Claims

1. A cleaning agent pH sampling device, comprising a testing table (1), characterized in that: A fixed shell (2) is fixedly mounted on the detection table (1), a cover body (3) is detachably mounted on the fixed shell (2), a through slot (4) is provided on the cover body (3), a rotating detection disk (6) is rotatably arranged in the inner cavity of the fixed shell (2), a plurality of first hole positions (7) and second hole positions (8) are equidistantly arranged on the rotating detection disk (6) along the circumferential direction, and the first hole positions (7) and the second hole positions (8) corresponding to each inner and outer position form a group, a first rotating shaft (9) is fixedly mounted on the bottom end of the rotating detection disk (6), an intermittent rotating unit is provided at the bottom end of the first rotating shaft (9), and a sampling unit is provided at the through slot (4).

2. A cleaning agent pH sampling device according to claim 1, characterized in that: A plurality of support arms (19) are fixedly mounted on the bottom end of the inner wall of the fixed shell (2), an annular seat (18) is fixedly mounted in the middle of the support arm (19), and the bottom end of the first rotating shaft (9) is rotatably connected to the bottom end of the inner wall of the annular seat (18).

3. A cleaning agent pH sampling device according to claim 2, characterized in that: The intermittent rotation unit comprises a rotating disk (10) fixedly mounted on the bottom end of the first rotating shaft (9), a plurality of grooves (11) being equidistantly formed on the side wall of the rotating disk (10), a plurality of arc-shaped grooves (12) being equidistantly formed on the side wall of the rotating disk (10), the grooves (11) and the arc-shaped grooves (12) being spaced apart, a first driving shaft (13) being rotatably mounted in the inner cavity of the annular seat (18) along the vertical direction, a limiting disk (14) and a rotating rod (15) being fixedly mounted on the first driving shaft (13), a toggle pin (16) being vertically mounted on the rotating rod (15), a first motor (17) being mounted on the bottom end of the annular seat (18), and an output end of the first motor (17) being connected to the first driving shaft (13); The side wall of the limiting plate (14) is rotationally fitted with the arc-shaped groove (12), and the moving pin (16) is rotationally embedded in the inner cavity of one of the groove bodies (11).

4. A cleaning agent pH sampling device according to claim 1, characterized in that: A plurality of pulleys (20) are arranged along the circumferential direction on the side wall of the rotating detection disk (6), and the pulleys (20) are rollingly fitted to the inner side wall of the fixed shell (2).

5. A cleaning agent pH sampling device according to claim 1, characterized in that: The sampling unit includes a driving assembly; The driving assembly comprises a mounting base (21) fixedly mounted on the detection platform (1), a second motor (22) being mounted on the mounting base (21), a second driving shaft (23) being connected to an output end of the second motor (22), and a bottom end of the second driving shaft (23) being rotatably connected to a bottom end of an inner wall of the mounting base (21), a first gear (24) being fixedly mounted on the second driving shaft (23), a second rotating shaft (25) being rotatably arranged in the mounting base (21) along a vertical direction, and a top end of the second rotating shaft (25) passing through the mounting base (21) upwards, a second gear (26) being fixedly mounted on the second rotating shaft (25), and the second gear (26) being meshingly connected to a side wall of the first gear (24).

6. A cleaning agent pH sampling device according to claim 5, characterized in that: The sampling unit also includes a lifting component; The lifting assembly comprises a support bracket (27) mounted on the top end of the second rotating shaft (25), a first cylinder (28) being mounted in the support bracket (27), a connecting block (29) being fixedly mounted on the top output end of the first cylinder (28), and a mounting bracket (30) being fixedly mounted on the left side wall of the connecting block (29).

7. A cleaning agent pH sampling device according to claim 6, characterized in that: The inner side wall of the support bracket (27) is provided with a limiting groove (35), a limiting block (36) is slidably embedded in the limiting groove (35), and the limiting block (36) is fixedly connected to the side wall of the connecting block (29).

8. A cleaning agent pH sampling device according to claim 6, characterized in that: The sampling unit also includes an extraction component; The extraction assembly includes a second cylinder (31) installed on the mounting frame (30), the output end of the second cylinder (31) is connected to a lifting plate (32), two extraction rods (33) are respectively installed at the bottom end of the lifting plate (32), two samplers (34) are installed at the bottom end of the mounting frame (30), and each of the extraction rods (33) is slidably embedded in the inner cavity of the sampler (34), and a rubber pad is provided at the side wall of the extraction rod (33) embedded in the inner cavity of the sampler (34).

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