Moisture and acidity detection device and working mode thereof

Abstract

The invention discloses a moisture and acidity detection device and a working mode thereof, and relates to the technical field of detection, and the detection device comprises a feeding module used for conveying a storage barrel to a sampling end; a sampling box is arranged at the sampling end, the bottom of the sampling box is provided with a circular groove used for embedding the storage barrel, a sealing ring used for being attached to the barrel wall of the storage barrel is fixedly arranged on the groove wall of the circular groove, and the sampling box is connected with a lifting module driving the sampling box to ascend and descend; a cap screwing module is arranged in the sampling box and is used for opening a sealing cover at the open end of the top of the storage barrel; after the feeding module conveys the storage barrel to be sampled to the sampling end, the sampling box can be driven to descend through the lifting module, so that the top of the storage barrel can be partially embedded into the circular groove, meanwhile, the barrel wall of the storage barrel is connected with the sealing ring in an attached mode, and correspondingly, a sealing gasket can be arranged on the sealing ring; the sealing performance of the sealing ring attached to the barrel wall is further improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of detection, in particular to a moisture and acidity detection device and its working mode. BACKGROUND

[0002] Acetate esters are a commonly used solvent and chemical intermediate. In many organic synthesis reactions, it can participate as a reactant or solvent. Acetate ester compounds can undergo reversible hydrolysis in the presence of water, regenerating carboxylic acid (acetic acid) and alcohol (methanol, ethanol or propanol). This not only reduces the purity and yield of the main product, but also introduces new impurities (acid and alcohol), affecting product quality.

[0003] Many industries that use these esters as solvents or raw materials (such as coatings, inks, pharmaceuticals, flavors) have strict requirements for moisture content. Excessive moisture can cause coatings / inks to shrink, whiten, reduce gloss, and poor adhesion; if used as a reaction medium, moisture can poison the catalyst or participate in side reactions; promote product deterioration, shorten shelf life.

[0004] In order to ensure the quality of acetate esters, the moisture and acidity of acetate esters stored in the storage barrel need to be detected regularly during storage. This is not only a good operating specification, but also a key quality control measure to ensure product quality, safety and traceability. Because even if the indicators are qualified when entering the warehouse, the balance may move to the right due to various reasons (such as trace moisture intrusion, temperature change) during storage. Regular testing is the only direct means to determine whether the product remains stable during the shelf life. However, during the sampling and testing process of the acetate esters in the storage barrel, moisture in the external air can easily enter the storage barrel through the barrel opening. When the humidity in the air is high, it will cause the acetate esters in the storage barrel to deteriorate faster. SUMMARY

[0005] The present application provides a moisture and acidity detection device and its working mode, which can solve the following problems existing in the prior art: Currently, during the sampling and testing process of acetate esters in the storage barrel, when the barrel opening is opened, moisture in the external air can easily enter the storage barrel along the barrel opening, causing the acetate esters to deteriorate faster.

[0006] A moisture and acidity detection device, comprising an upper feeding module for conveying the storage barrel to a sampling end; A sampling box is provided at the sampling end, and a circular groove for embedding the storage barrel is formed in the bottom of the sampling box. A sealing ring for fitting with the barrel wall of the storage barrel is fixedly arranged on the groove wall of the circular groove. The sampling box is connected with a lifting module for driving it to lift; A cap opening module is arranged in the sampling box, and the cap opening module is used to open the sealing cap of the top opening end of the storage barrel. The air extraction module is arranged on one side of the sampling box, and the sampling module is arranged on the other side of the sampling box.

[0007] Preferably, the feeding module comprises a conveying mechanism for conveying the storage barrels to be sampled one by one to the sampling end. Preferably, the conveying mechanism comprises two conveying frames arranged symmetrically on both sides, and a plurality of conveying rollers are arranged symmetrically between the two conveying frames.

[0008] Preferably, the conveying mechanism comprises two conveying frames arranged symmetrically on both sides, and a plurality of conveying rollers are arranged symmetrically between the two conveying frames.

[0009] Preferably, the first conveying mechanism and the second conveying mechanism each comprise a clamping module for clamping the storage barrel. Preferably, the clamping module comprises two arc-shaped frames arranged symmetrically, and the two arc-shaped frames are connected with an adjusting mechanism for driving the two arc-shaped frames to move towards each other or away from each other.

[0010] Preferably, the air extraction module comprises an air extraction pump fixedly arranged on one side of the sampling box. Preferably, the other side of the sampling box is further provided with a gas conveying pump connected with the protective gas storage tank through a gas pipe.

[0011] Preferably, the cap screwing module comprises a three-jaw chuck mechanism arranged in the sampling box. Preferably, the sampling box is provided with a sampling port, and a base is arranged on one side of the sampling end.

[0012] Preferably, the sampling module comprises four groups of sampling mechanisms arranged in a circumferential array on the base. Preferably, the base is further provided with a lifting mechanism and a rotating mechanism.

[0013] Preferably, the base is rotationally arranged with a rotating disc, the bottom of the base is fixedly arranged with a fourth motor for driving the rotating disc to rotate, the lifting mechanism comprises a second screw rod rotationally arranged on the rotating disc, a positioning disc is spirally sleeved on the second screw rod, each negative pressure pump is fixed to the outer edge surface of the positioning disc through the positioning plate, the bottom of the second screw rod is fixedly arranged with a first gear, and the rotating disc is further fixedly arranged with a fifth motor, and the driving end of the fifth motor is fixedly arranged with a second gear engaged with the first gear. Preferably, the positioning disc is further fixedly arranged with a guide rod, and the positioning disc is slidingly sleeved on the guide rod.

[0014] Preferably, the base around the rotating disc is sequentially arranged with a sampling end, a first pipetting end, a second pipetting end and a cleaning end in a circumferential direction. Preferably, the first pipetting end and the second pipetting end are each provided with a test tube rack for detection, and the cleaning end is provided with a drying mechanism, and the drying mechanism is provided with a port for inserting a sampling tube.

[0015] A working mode of a moisture and acidity detection device, applied to the moisture and acidity detection device, comprises the following steps: The feeding module sequentially transports the storage barrels one by one to the sampling end; The lifting module drives the sampling box to descend, so that the top portion of the storage barrel is embedded in the circular groove, and the barrel wall of the storage barrel is connected in close contact with the sealing ring; The air extraction module extracts air in the space enclosed by the sampling box and the storage barrel, and after air extraction is completed, the cap opening module removes the sealing cap of the open end of the top portion of the storage barrel; The sampling module samples the acetate in the storage barrel from the opening for subsequent moisture and acidity detection; After sampling is completed, the cap opening module is used to screw the sealing cap back to the open end of the top portion of the storage barrel, and the storage barrel can be output.

[0016] The present application provides a moisture and acidity detection device and its working mode, which has the following beneficial effects: 1) After the feeding module of the present application transports the storage barrel to be sampled to the sampling end, the lifting module drives the sampling box to descend, so that the top portion of the storage barrel can be partially embedded in the circular groove, and the barrel wall of the storage barrel is connected in close contact with the sealing ring, and the sealing gasket can be further arranged on the sealing ring to further improve the sealing performance of the sealing ring and the barrel wall. 2) Before the acetate in the storage barrel is extracted, the top of the storage barrel is embedded in the circular groove and matched with the sealing ring, the air in the space enclosed by the sampling box and the storage barrel is extracted by the air extraction module, so that even if the sealing cover of the top opening of the storage barrel is removed during subsequent sampling, the external air can be effectively prevented from entering the storage barrel through the opening, so as to prevent the moisture in the air from contacting the acetate in the storage barrel, causing the acetate to be ineffective and deteriorated. Correspondingly, after the air extraction is completed, the acetate in the storage barrel is sampled by the sampling module through the opening for subsequent moisture and acidity detection. After sampling is completed, the sealing cover is screwed to the opening end of the top of the storage barrel by the screw cover module to close the opening again. In the whole sampling process, the external air cannot enter the storage barrel, realizing the effect of sufficient isolation and ensuring the stability of the acetate in the storage barrel. 3) When the sealing cover on the storage barrel is opened, the three-jaw chuck mechanism can be driven to descend by the lifting electric cylinder until each group of clamping jaws surrounds the outside of the sealing cover. The three-jaw chuck mechanism drives each clamping jaw to move towards the axial direction to clamp the sealing cover. Then the third motor is started to drive the three-jaw chuck mechanism to rotate. At the same time of rotation, the three-jaw chuck mechanism is driven to ascend by the lifting electric cylinder until the sealing cover is screwed to be separated from the opening. Then the second motor is started to drive the screw rod to rotate. The second nut moves on the screw rod to shift the sealing cover to one side of the box, so as to facilitate subsequent sampling through the opening. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 A three-dimensional structure diagram of a moisture and acidity detection device provided by the present application Figure 1 ; Figure 2 A front view structure diagram of a moisture and acidity detection device provided by the present application Figure 3 A top view structure diagram of a moisture and acidity detection device provided by the present application Figure 4 A three-dimensional structure diagram of a moisture and acidity detection device provided by the present application Figure 2 ; Figure 5 A three-dimensional structure diagram of a moisture and acidity detection device provided by the present application Figure 3 ; Figure 6 A structure diagram of an arc-shaped frame in a moisture and acidity detection device provided by the present application Figure 7 A structure diagram of an adjusting frame in a moisture and acidity detection device provided by the present application Figure 8This is a structural schematic diagram of a sampling box in a moisture and acidity detection device provided by the present invention; Figure 9 This is a schematic cross-sectional view of a sampling box in a moisture and acidity detection device provided by the present invention; Figure 10 A schematic diagram of the internal structure of a sampling box in a moisture and acidity detection device provided by the present invention; Figure 11 This is a structural schematic diagram of a screw rod in a moisture and acidity detection device provided by the present invention.

[0018] Description of reference numerals: 1. Conveying mechanism; 2. Storage barrel; 3. Sampling box; 4. Base; 5. Negative pressure pump; 6. Screw; 101. First conveying mechanism; 102. Second conveying mechanism; 103. Conveying frame; 104. Conveying roller; 105. Conveyor belt; 106. Support roller; 107. Translation mechanism; 108. Lifting mechanism; 109. Adjusting frame; 110. Support rod; 111. Arc frame; 112. First motor; 113. Support shaft; 114. Thread; 115. First nut; 116. Track; 201. Annular protrusion; 202. Sealing cover; 301. Vacuum pump; 302. Air pump; 303. Sampling port; 304. Round Groove; 305, sealing ring; 306, three-jaw chuck mechanism; 307, clamping jaw; 308, third motor; 401, turntable; 402, fifth motor; 403, second gear; 404, first gear; 405, second screw; 406, positioning plate; 407, positioning plate; 408, guide rod; 409, fourth motor; 501, sampling tube; 502, sampling end; 503, first pipetting end; 504, second pipetting end; 505, cleaning end; 506, test tube rack; 507, drying mechanism; 508, port; 509, lifting module; 601, lifting electric cylinder; 602, second motor; 603, second nut. DETAILED DESCRIPTION

[0019] The specific embodiments of the present invention are described in detail below, but it should be understood that the protection scope of the present invention is not limited by the specific embodiments.

[0020] Example 1

[0021] like Figures 1 to 4 As shown, an embodiment of the present invention provides a moisture and acidity detection device, including a loading module for transporting the storage barrel 2 to the sampling end 502; specifically, in the process of regular detection of acetate in each storage barrel 2, the storage barrels 2 can be transported one by one to the sampling end 502 through the loading module in order to facilitate subsequent sampling operations.

[0022] In this embodiment, please refer to Figure 1as well as Figures 8-10 A sampling box 3 is provided at the sampling end 502, and a circular groove 304 for embedding the storage barrel 2 is provided at the bottom of the sampling box 3. A sealing ring 305 for fitting with the wall of the storage barrel 2 is fixedly arranged on the wall of the circular groove 304, and the sampling box 3 is connected to a lifting module 509 for driving it to rise and fall; it can be explained that after the loading module of this embodiment transports the storage barrel 2 to be sampled to the sampling end 502, the sampling box 3 can be driven to descend by the lifting module 509, so that the top of the storage barrel 2 can be partially embedded in the circular groove 304, and at the same time, the barrel wall of the storage barrel 2 is fitly connected with the sealing ring 305, and accordingly, a sealing gasket can also be provided on the sealing ring 305 to further improve the sealing performance of the sealing ring 305 and the barrel wall.

[0023] See also Figures 1-4 A screw cap module is provided in the sampling box 3, and the screw cap module is used to open the sealing cover 202 at the top open end of the storage barrel 2; it can be explained that a sealing cover 202 is provided on the top of the storage barrel 2 of this embodiment. When storing acetate, the opening at the top of the storage barrel 2 can be sealed by the sealing cover 202 to prevent outside air from entering the storage barrel 2, thereby achieving an isolation effect. Accordingly, before sampling, the sealing cover 202 at the top open end of the storage barrel 2 can be removed by the screw cap module.

[0024] It also includes an exhaust module and a sampling module; Specifically, the air extraction module is used to extract the air in the sampling box 3, and the sampling module is used to quantitatively extract the acetate in the storage barrel 2. It can be explained that, before the acetate in the storage barrel 2 is extracted, as the top of the storage barrel 2 is embedded in the circular groove 304 and fits the sealing ring 305, the present embodiment first extracts the air in the space enclosed by the sampling box 3 and the storage barrel 2 through the air extraction module, so that when sampling is performed later, even if the sealing cover 202 of the top opening of the storage barrel 2 is removed, it can effectively prevent the outside air from entering the storage barrel 2 through the opening, so as to avoid the subsequent The moisture in the air contacts the acetate in the storage barrel 2, causing the acetate to lose its effectiveness and deteriorate. Accordingly, after the air extraction is completed, the present embodiment uses the sampling module to sample the acetate in the storage barrel 2 from the opening for subsequent moisture and acidity testing. After the sampling is completed, the sealing cover 202 is screwed back to the open end at the top of the storage barrel 2 by the capping module to seal the opening again. In the present embodiment, during the entire sampling process, the outside air cannot enter the storage barrel 2, achieving a sufficient isolation effect and ensuring the stability of the acetate in the storage barrel 2.

[0025] Example 2

[0026] Based on Example 1, please refer to Figures 1-5The loading module includes a conveying mechanism 1, which is used to transport the storage barrels 2 to be sampled to the sampling end 502 one by one, wherein a first conveying mechanism 101 and a second conveying mechanism 102 are respectively arranged at both ends of the conveying mechanism 1, and the first conveying mechanism 101 is used to transport the storage barrels 2 to be sampled onto the conveying mechanism 1, and the second conveying mechanism 102 is used to move the sampled storage barrels 2 out of the conveying mechanism 1; specifically, when the storage barrels 2 are subjected to regular sampling and testing, the storage barrels 2 can be transferred to the loading end of the conveying mechanism 1 by a transfer trolley, and the storage barrels 2 can be transported to the conveying mechanism 1 by the first conveying mechanism 101, and then transported to the sampling end 502 by the conveying mechanism 1 for sampling. After completion, the storage barrels 2 are transported to the unloading end of the conveying mechanism 1 by the conveying mechanism 1, and the storage barrels 2 are removed from the conveying mechanism 1 by the second conveying mechanism 102, so that the storage barrels 2 can be transferred to the warehouse for storage by the transfer trolley.

[0027] In this embodiment, please refer to Figures 1-2 as well as Figures 4-5 The conveying mechanism 1 includes conveying frames 103 symmetrically arranged on both sides, and conveying rollers 104 are arranged symmetrically and rotated between the two groups of conveying frames 103. One group of conveying rollers 104 is fixed to the driving end of the servo drive device, and conveyor belts 105 are sleeved on the conveying rollers 104 on both sides; specifically, when driving the storage barrel 2 to move, the present embodiment transfers the storage barrel 2 to the conveyor belt 105, and then starts the servo drive device to drive the conveying rollers 104 to rotate, and the conveyor belt 105 is synchronously driven by the conveying rollers 104 to convey the storage barrel 2.

[0028] Specifically, the lifting module 509 of this embodiment is fixed to one side of the conveying frame 103 .

[0029] In addition, several groups of support rollers 106 are evenly distributed between the conveyor frames 103 on both sides to support the conveyor belt 105.

[0030] As an implementation of this embodiment, please refer to Figures 1-2 as well as Figures 5-7 , the first transport mechanism 101 and the second transport mechanism 102 both include a clamping module for clamping the storage barrel 2, an annular protrusion 201 is provided on the top of the storage barrel 2, the outer diameter of the annular protrusion 201 is larger than the outer diameter of the storage barrel 2, wherein the clamping module includes a symmetrically arranged arc frame 111, and the arc frames 111 on both sides are connected to an adjustment mechanism that drives them to move toward each other or away from each other; It can be explained that in this embodiment, when clamping the storage barrel 2, the arc frames 111 on both sides can be driven toward each other by the adjustment mechanism, so that the arc frames 111 are engaged with the barrel wall at the bottom of the annular protrusion 201, thereby achieving the effect of clamping the storage barrel 2; Further, the adjusting mechanism comprises an adjusting frame 109, a supporting shaft 113 is rotatably arranged at the bottom of the adjusting frame 109, two sides of the supporting shaft 113 are respectively provided with threads 114 in opposite directions, the first nuts 115 are threadedly arranged on the threads 114, the first nuts 115 are fixed with the arc-shaped frames 111 through the supporting rods 110, and one end of the supporting shaft 113 is fixed with the output end of the first motor 112; it can be explained that when the positions of the arc-shaped frames 111 on two sides are adjusted, the first motor 112 can be started to drive the supporting shaft 113 to rotate, and in the movement of the two first nuts 115 on the threads 114, the arc-shaped frames 111 on two sides can be synchronously driven to move close to each other or move away from each other through the supporting rods 110.

[0031] Specifically, in order to improve the stability of the movement of the first nuts 115, the bottom of the adjusting frame 109 is further provided with a track 116, and a sliding seat for guiding the first nuts 115 is arranged in the track 116.

[0032] Please refer to Figures 1-6 In order to load and unload the storage barrels 2 after clamping, in the embodiment, the first conveying mechanism 101 and the second conveying mechanism 102 further comprise a translation mechanism 107, the translation mechanism 107 is fixed on the conveying frame 103, a lifting mechanism 108 is fixedly arranged at the driving end of the translation mechanism 107, and the driving end of the lifting mechanism 108 is fixed with the adjusting frame 109; it can be explained that after the storage barrels 2 are clamped and fixed, the translation mechanism 107 and the lifting mechanism 108 can be used to load and unload, and the degree of automation is higher. In addition, the lifting module 509, the translation mechanism 107 and the lifting mechanism 108 of the embodiment can adopt a synchronous belt transmission mechanism of the prior art, and the specific structure and principle thereof will not be described here.

[0033] Please refer to Figures 1-3 The air extraction module comprises an air extraction pump 301 fixedly arranged on one side of the sampling box 3, and a gas delivery pump 302 is further arranged on the other side of the sampling box 3, and the gas delivery pump 302 is connected with a protective gas storage tank through a gas pipe; it can be explained that when the sampling box 3 is air extracted, the gas delivery pump 302 can be started to extract the gas in the space enclosed by the sampling box 3 and the storage barrels 2, and after the extraction is completed, in order to ensure the balance of the gas pressure in the space, the protective gas (such as nitrogen) with the same pressure can be input into the space to ensure the balance of the gas pressure.

[0034] In the embodiment, please refer to Figure 1 and Figures 8-11The rotating cap module comprises a three-jaw chuck mechanism 306 arranged in the sampling box 3, the bottom of the three-jaw chuck mechanism 306 is circumferentially provided with a plurality of groups of clamping jaws 307 for clamping the sealing cap 202, a lead screw 6 is also arranged in the sampling box 3, the end of the lead screw 6 is fixed with the output end of the second motor 602, a second nut 603 is spirally sleeved on the lead screw 6, a lifting electric cylinder 601 is fixedly arranged on one side of the second nut 603, the driving end of the lifting electric cylinder 601 is fixed with the third motor 308 through a connecting plate, and the driving end of the third motor 308 is fixed with the three-jaw chuck mechanism 306; It can be explained that when the sealing cap 202 on the storage barrel 2 is opened, the three-jaw chuck mechanism 306 can be driven to descend by the lifting electric cylinder 601 until each group of clamping jaws 307 surrounds the outside of the sealing cap 202, each clamping jaw 307 is driven to move towards the axial direction by the three-jaw chuck mechanism 306 to clamp the sealing cap 202, and then the three-jaw chuck mechanism 306 is driven to rotate by the third motor 308, while rotating, the three-jaw chuck mechanism 306 is driven to ascend by the lifting electric cylinder 601 until the sealing cap 202 is screwed to separate from the opening, and then the lead screw 6 is driven to rotate by the second motor 602, the sealing cap 202 can be driven to deviate to one side of the box during the movement of the second nut 603 on the lead screw 6, so as to facilitate subsequent sampling through the opening.

[0035] It can be seen from Figure 1 , Figures 3-5 and Figures 8-11 that the sampling box 3 is provided with a sampling port 303, one side of the sampling end 502 is provided with a base 4, the sampling module comprises four groups of sampling mechanisms arranged in a circumferential array on the base 4, the sampling mechanism comprises a sampling pipe 501 used for embedding the sampling port 303, and the sampling pipe 501 is connected with the negative pressure pump 5, wherein the base 4 is further provided with a lifting mechanism and a rotating mechanism, the lifting mechanism is used for driving the sampling mechanism to ascend and descend, and the rotating mechanism is used for driving each sampling mechanism to rotate; It can be explained that after the top of the storage barrel 2 is embedded in the circular groove 304 and abuts against the sealing ring 305, the rotating mechanism of the embodiment can drive any one group of sampling mechanisms to move above the sampling box 3, the lifting mechanism drives the sampling mechanism to descend, so that the sampling pipe 501 can be embedded in the sampling port 303, the wall of the sampling pipe 501 abuts against the wall of the sampling port 303, so as to realize the sealing effect of the sampling port 303, so that when the sampling box 3 is pumped, external air can be prevented from entering the box through the sampling port 303. Correspondingly, during the sampling process, the lifting mechanism continues to drive the sampling mechanism to descend until the sampling pipe 501 extends into the barrel along the opening of the storage barrel 2 and contacts the acetate.

[0036] Please refer to Figure 1 and Figures 4-5The base 4 is rotationally arranged with a rotating disc 401, and the bottom of the base 4 is fixedly arranged with a fourth motor 409 for driving the rotating disc 401 to rotate. The lifting mechanism comprises a second screw rod 405 rotationally arranged on the rotating disc 401, and a positioning disc 406 is spirally sleeved on the second screw rod 405. Each negative pressure pump 5 is fixed to the outer edge surface of the positioning disc 406 through a positioning plate 407. The bottom of the second screw rod 405 is fixedly arranged with a first gear 404. The rotating disc 401 is further fixedly arranged with a fifth motor 402, and the driving end of the fifth motor 402 is fixedly arranged with a second gear 403 engaged with the first gear 404. The rotating disc 401 is further fixedly arranged with a guide rod 408, and the positioning disc 406 is slidingly sleeved on the guide rod 408. It can be explained that when adjusting the lifting of the sampling mechanism, the fifth motor 402 can be started to drive the second gear 403 to rotate, and the second gear 403 drives the second screw rod 405 to rotate through the engagement with the first gear 404. During the lifting of the positioning disc 406 on the second screw rod 405, each sampling mechanism can be lifted through the positioning plate 407.

[0037] As a further scheme of the embodiment, the following can be referred to Figures 1-4 The base 4 around the rotating disc 401 is sequentially arranged with a sampling end 502, a first pipetting end 503, a second pipetting end 504 and a cleaning end 505 in a circumferential direction. The first pipetting end 503 and the second pipetting end 504 are each provided with a test tube rack 506 for detection. The cleaning end 505 is provided with a drying mechanism 507, and the drying mechanism 507 is provided with a port 508 for extending into the sampling tube 501. It can be explained that the sampling mechanism is arranged above the sampling end 502, the first pipetting end 503, the second pipetting end 504 and the cleaning end 505, respectively. When any one of the sampling mechanisms completes sampling, it can be driven by the rotating mechanism to move to the positions of the first pipetting end 503, the second pipetting end 504 and the cleaning end 505 in sequence. When it moves to the position of the first pipetting end 503, part of the acetate in the sampling tube 501 can be transported into the test tube on the test tube rack 506, so as to facilitate subsequent moisture detection. When it moves to the position of the second pipetting end 504, the remaining acetate in the sampling tube 501 can be transported into the test tube on the test tube rack 506, so as to facilitate subsequent acidity detection. Correspondingly, when it moves to the position of the cleaning end 505, the sampling tube 501 can extend into the drying mechanism 507 through the port 508, and the moisture adhered to the sampling tube 501 can be dried by the drying mechanism 507, so as to avoid affecting the subsequent sampling detection. Correspondingly, the sampling tube 501 is connected to the negative pressure pump 5 in a detachable manner, and can also be directly replaced. This is not limited. In addition, the drying mechanism 507 of the embodiment is a resistance heating device in the prior art. The specific model and principle of the embodiment are not limited, as long as the application requirements are met.

[0038] A working mode of a water and acidity detection device, comprising the following steps: Please refer to Figures 1-3 And Figures 5-6 S1, the feeding module sequentially transports the storage barrels 2 to the sampling end 502 one by one; S2, the lifting module 509 drives the sampling box 3 to descend, so that the top part of the storage barrel 2 is embedded in the circular groove 304, and meanwhile, the barrel wall of the storage barrel 2 is connected with the sealing ring 305 in a fit manner; S3, the air extraction module extracts the air in the space enclosed by the sampling box 3 and the storage barrel 2, and after the air extraction is completed, the screw cap module removes the sealing cap 202 at the top opening end of the storage barrel 2; S4, the sampling module samples the acetate in the storage barrel 2 from the opening, for subsequent water and acidity detection; S5, after the sampling is completed, the sealing cap 202 is screwed to the top opening end of the storage barrel 2 again through the screw cap module, and the storage barrel 2 can be output.

[0039] The above only discloses several specific embodiments of the present application, but the embodiments of the present application are not limited to this. Any changes that can be thought of by those skilled in the art shall fall within the protection scope of the present application.

Claims

1. A moisture and acidity detection device, characterized in that: It includes a loading module for transporting the storage barrel (2) to the sampling end (502); A sampling box (3) is provided at the sampling end (502), and a circular groove (304) for embedding the storage barrel (2) is provided at the bottom of the sampling box (3). A sealing ring (305) for fitting with the barrel wall of the storage barrel (2) is fixedly arranged on the groove wall of the circular groove (304). The sampling box (3) is connected to a lifting module (509) that drives the lifting of the sampling box (3); The sampling box (3) is provided with a screw cap module, which is used to open the sealing cover (202) at the top opening end of the storage barrel (2); It also includes an air extraction module and a sampling module. The air extraction module is used to extract the air in the sampling box (3), and the sampling module is used to quantitatively extract the acetate in the storage barrel (2).

2. A moisture and acidity detection device according to claim 1, characterized in that: The loading module comprises a conveying mechanism (1) for conveying the storage barrels (2) to be sampled to the sampling end (502) one by one; Wherein, a first transport mechanism (101) and a second transport mechanism (102) are respectively arranged at both ends of the conveying mechanism (1); the first transport mechanism (101) is used to transport the storage barrel (2) to be sampled onto the conveying mechanism (1); and the second transport mechanism (102) is used to remove the storage barrel (2) after sampling from the conveying mechanism (1).

3. A moisture and acidity detection device as claimed in claim 2, characterized in that: The conveying mechanism (1) comprises conveying racks (103) symmetrically arranged on both sides, conveying rollers (104) symmetrically arranged and rotated between the two sets of conveying racks (103), one set of conveying rollers (104) being fixed to the driving end of a servo drive device, and conveying belts (105) being sleeved on the conveying rollers (104) on both sides.

4. A moisture and acidity detection device as claimed in claim 3, characterized in that: The first transport mechanism (101) and the second transport mechanism (102) both comprise a clamping module for clamping the storage barrel (2); an annular protrusion (201) is provided on the top of the storage barrel (2); and the outer diameter of the annular protrusion (201) is larger than the outer diameter of the storage barrel (2); The clamping module comprises symmetrically arranged arc frames (111), and the arc frames (111) on both sides are connected to an adjustment mechanism that drives them to move toward each other or away from each other.

5. A moisture and acidity detection device as claimed in claim 1, characterized in that: The air extraction module comprises an air extraction pump (301) fixedly arranged on one side of the sampling box (3); Wherein, an air delivery pump (302) is further provided on the other side of the sampling box (3), and the air delivery pump (302) is connected to the protective gas storage tank via an air pipe.

6. A moisture and acidity detection device according to claim 1, characterized in that: The screw capping module comprises a three-jaw chuck mechanism (306) arranged in the sampling box (3), a plurality of groups of clamping jaws (307) for clamping the sealing cover (202) are circumferentially arranged at the bottom of the three-jaw chuck mechanism (306), and a screw rod (6) is also rotatably arranged in the sampling box (3), the end of the screw rod (6) is fixed to the output end of the second motor (602), a second nut (603) is spirally sleeved on the screw rod (6), and a lifting electric cylinder (601) is fixedly arranged on one side of the second nut (603), the driving end of the lifting electric cylinder (601) is fixed to the third motor (308) through a connecting plate, and the driving end of the third motor (308) is fixed to the three-jaw chuck mechanism (306).

7. A moisture and acidity detection device according to claim 6, characterized in that: The sampling box (3) is provided with a sampling port (303), a base (4) is provided on one side of the sampling end (502), the sampling module comprises four groups of sampling mechanisms arranged in a circumferential array on the base (4), the sampling mechanism comprises a sampling tube (501) for engaging with the sampling port (303), and the sampling tube (501) is connected to the negative pressure pump (5); The base (4) is further provided with a lifting mechanism and a rotating mechanism, the lifting mechanism is used to drive the sampling mechanism to lift, and the rotating mechanism is used to drive each sampling mechanism to rotate.

8. A moisture and acidity detection device according to claim 7, characterized in that: A turntable (401) is rotatably arranged on the base (4), a fourth motor (409) for driving the turntable (401) to rotate is fixedly arranged on the bottom of the base (4), the lifting mechanism includes a second screw (405) rotatably arranged on the turntable (401), a positioning disk (406) is spirally sleeved on the second screw (405), each negative pressure pump (5) is fixed to the outer edge of the positioning disk (406) through a positioning plate (407), a first gear (404) is fixedly arranged on the bottom of the second screw (405), a fifth motor (402) is also fixedly arranged on the turntable (401), and a second gear (403) meshing with the first gear (404) is fixedly arranged on the driving end of the fifth motor (402); The rotating disk (401) is further fixedly provided with a guide rod (408), and the positioning disk (406) is slidably sleeved on the guide rod (408).

9. A moisture and acidity detection device according to claim 8, characterized in that: A sampling end (502), a first pipetting end (503), a second pipetting end (504) and a cleaning end (505) are sequentially arranged on the base (4) outside the rotating disk (401) in a circumferential direction; The first pipetting end (503) and the second pipetting end (504) are both provided with a test tube rack (506) for detection, the cleaning end (505) is provided with a drying mechanism (507), and the drying mechanism (507) is provided with a port (508) for inserting a sampling tube (501).

10. A working mode of a moisture and acidity detection device, characterized in that: A moisture and acidity detection device according to any one of claims 1 to 9, comprising the following steps: The loading module sequentially transports the storage barrels (2) to the sampling end (502); The lifting module (509) drives the sampling box (3) to descend, so that the top portion of the storage barrel (2) is embedded in the circular groove (304), and at the same time, the barrel wall of the storage barrel (2) is fitted and connected with the sealing ring (305); The air extraction module extracts the air in the space enclosed by the sampling box (3) and the storage barrel (2). After the air extraction is completed, the capping module removes the sealing cover (202) at the top open end of the storage barrel (2); The sampling module samples the acetate in the storage barrel (2) through the opening for subsequent moisture and acidity testing; After the sampling is completed, the sealing cover (202) is screwed back to the open end at the top of the storage barrel (2) through the capping module, and the storage barrel (2) can be taken out.

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