Sodium hydroxide sampling device

Abstract

The utility model relates to the technical field of sodium hydroxide detection, in particular to a sodium hydroxide sampling device which comprises a sampling table, a conveying mechanism, a frame body, a discharging assembly and a quantitative filling assembly are installed on the sampling table, the discharging assembly and the quantitative filling assembly are located above the conveying mechanism, and a stirring barrel is installed on the frame body. The quantitative filling assembly is communicated with the discharge hole of the stirring barrel; the quantitative filling assembly comprises a supporting plate fixed to the frame body, and a square cylinder and a motor are installed on the supporting plate. According to the sodium hydroxide sampling device, sampling bottles are sequentially inserted into a tray through the discharging assembly, the tray is conveyed to the position below the quantitative filling assembly through the conveying mechanism, a lifting air cylinder and a transferring device drive the tray to be jacked up, the tray deviates during sampling, meanwhile, along with filling movement, the sodium hydroxide is sequentially and quantitatively filled into the sampling bottles to be collected, and the liquid taking operation is completed; therefore, automatic and quick sampling can be realized, and liquid can be prevented from flowing out, so that the sampling safety is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of sodium hydroxide detection, in particular to a sampling device for sodium hydroxide. Background Art

[0002] Sodium hydroxide is also known as caustic soda. Sodium hydroxide is one of the essential chemicals in chemical laboratories and is also one of the common chemical products. There are three methods for producing caustic soda in industry: the causticization method, the electrolysis method, and the ion-exchange membrane method. During the production process of caustic soda, it is necessary to sample caustic soda to detect its quality, and a sampler is used during sampling.

[0003] In the existing sampling experiment of the alkaline solution of caustic soda, basically solid caustic soda is put into water to produce an alkaline solution, and then manual sampling is completed through a liquid sampler. Manual sampling is time-consuming and laborious, with low automation. Moreover, when taking the liquid, it is easy for the liquid to flow out due to accidental contact, and it is easy to cause unnecessary safety hazards. Content of the Utility Model

[0004] To achieve the above object, the utility model provides the following technical solution: A sampling device for sodium hydroxide, including a sampling table, on which a conveying mechanism, a frame, a feeding component and a quantitative filling component located above the conveying mechanism are installed. A stirring cylinder is installed on the frame, and the quantitative filling component is communicated with the discharge port of the stirring cylinder;

[0005] The quantitative filling component includes a support plate fixed on the frame. A square cylinder, a motor are installed on the support plate, and a liquid pushing component and a plurality of filling pipes communicated with the square cylinder are also installed. A cylinder that rotates inside the square cylinder is fixed to the rotating end of the motor. A plurality of diversion holes are opened on three sides of the square cylinder, and the upper side is communicated with the stirring cylinder. Liquid outlet holes are opened on the outer side of the cylinder to be docked with the diversion holes on two sides of the square cylinder.

[0006] Further, the liquid pushing component includes a sleeve block and a lead screw device fixed on the support plate. A plurality of sleeves communicated with the square cylinder are fixed inside the sleeve block. A moving plate slidably connected to the support plate is fixed to the moving end of the lead screw device, and a push column located inside the sleeve is fixed to one side of the moving plate.

[0007] Further, the conveying mechanism includes a shelf and a conveying device fixed on the sampling table, and linear modules installed at both the lower and the tail ends of the shelf. A bearing table extending above the shelf is fixed to the moving end of the linear module at the lower part, and a dial is fixed to the moving end of the linear module at the tail end.

[0008] Furthermore, a lifting cylinder is installed at the bottom of the sampling table below the filling tube, and a plurality of guide columns are passed through the lifting cylinder. A lifting plate connected to the guide columns is fixed to the ejection end of the lifting cylinder, a top plate is fixed to the ejection ends of the plurality of guide columns, a transfer device is installed on the top of the top plate, and a moving table is fixed to the moving end of the transfer device.

[0009] Furthermore, the material unloading assembly includes an inclined plate arranged on the sampling table and located above the shelf, on which are installed a material guide box, a material pushing cylinder and a flip filling assembly, as well as a material channel plate extending into the material guide box, a material pushing column that can pass through the material guide box and extend into the material channel plate is fixed to the ejection end of the material pushing cylinder, and a baffle cylinder is installed on one side of the material guide box.

[0010] Furthermore, the flip filling assembly includes a propulsion cylinder hingedly mounted on one side of the inclined plate, and a flip plate rotatably connected on the inner side, a receiving plate fixed to one side of the flip plate and docked with the discharge port of the material guide box, a unloading assembly is provided at the bottom of the receiving plate, and the propulsion end of the propulsion cylinder is hingedly connected to a hinge block fixedly connected to one side of the flip plate.

[0011] Furthermore, the unloading assembly includes two sleeves that are inserted into the receiving plate, a blocking plate that can block the unloading port of the receiving plate is fixed between one end of the two sleeves, and a connecting plate is fixed between the other ends, a spring is sleeved on the outer side of the sleeve near the connecting plate, and a fixed block is connected to the bottom of the inclined plate.

[0012] Furthermore, an upper cylinder is installed at the bottom of the sampling platform, a tripod is fixed to the ejection end of the upper cylinder, and three legs passing through the sampling platform and fixed to the inclined plate are fixed on the top of the tripod.

[0013] Compared with the prior art, the technical solution of this application has the following beneficial effects:

[0014] The sampling device for sodium hydroxide inserts the sampling bottles into the tray in sequence through the unloading component, and the conveying mechanism conveys the tray to the bottom of the quantitative filling component. The lifting cylinder and the transfer device drive the tray to lift up and place it for sampling, and the tray is offset. At the same time, as the filling moves, the liquid is quantitatively poured into the sampling bottle in sequence for collection, and the liquid collection operation is completed. Therefore, the sampling can be automatically and quickly performed, and the liquid outflow can be avoided, thereby improving the safety of sampling. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the structure of the utility model;

[0016] Figure 2 It is a three-dimensional diagram of the blanking component in the utility model;

[0017] Figure 3 For this utility model Figure 2 Three-dimensional diagram of the connection structure of the propulsion cylinder;

[0018] Figure 4 This is a three-dimensional view of the transfer component in the present utility model;

[0019] Figure 5 This is a three-dimensional view of the quantitative filling component in the present utility model;

[0020] Figure 6 This is the present utility model Figure 5 Three-dimensional view of the connection structure of the lead screw device;

[0021] Figure 7 This is a three-dimensional view of the lifting component in the present utility model.

[0022] In the figure: 1. Sampling table; 2. Shelf; 3. Conveyor; 4. Frame; 5. Stirring cylinder; 6. Quantitative filling component; 601. Support plate; 602. Lead screw device; 603. Moving plate; 605. Pushing column; 606. Sleeve block; 607. Sleeve; 608. Square tube; 609. Cylindrical tube; 610. Motor; 611. Filling pipe; 7. Feeding component; 701. Inclined plate; 702. Guide box; 703. Baffle cylinder; 704. Material channel plate; 705. Propelling cylinder; 706. Hinge block; 707. Flipping plate; 708. Receiving plate; 709. Sleeve column; 710. Stopper plate; 711. Connecting plate; 712. Spring; 713. Fixed block; 714. Pushing cylinder; 715. Pushing column; 716. Upward pushing cylinder; 717. Tripod; 718. Leg column; 801. Lifting cylinder; 802. Guide column; 803. Lifting plate; 804. Top plate; 805. Transfer device; 806. Moving table; 901. Linear module; 902. Carrying table; 903. Pushing plate. Detailed implementation manners

[0023] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments in the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0024] Please refer to Figure 1 , a sodium hydroxide sampling device in this embodiment includes a sampling table 1, on which a conveying mechanism, a frame 4 are installed, a feeding component 7 is installed at the head end above the conveying mechanism, and a quantitative filling component 6 is installed in the middle of the tail end above the conveying mechanism. A stirring cylinder 5 is installed at the top of the frame 4, and the quantitative filling component 6 is communicated with the discharge port of the stirring cylinder 5.

[0025] In the above structure, the unloading component can automatically place the sampling bottles on the conveying mechanism in sequence to complete the loading operation, and then cooperate with the conveying mechanism to drive the sampling bottles to the bottom of the quantitative filling component. The sample is introduced into the sampling bottle through the quantitative filling component and then transported out through the conveying mechanism, thereby completing automatic and rapid sampling, thereby reducing manual contact and improving safety.

[0026] The mixing cylinder 5 is connected to the quantitative filling assembly 6 through a filter cylinder. The filter cylinder can filter out the particle impurities of the sample, and can avoid the quantitative filling assembly from being blocked during filling.

[0027] like Figure 1 and 4 The conveying mechanism includes a shelf 2 and a conveying device 3 fixed on the sampling table 1. The shelf 2 is fixed on the sampling table 1 longitudinally, and the conveying device 3 is fixed on the sampling table 1 transversely, and the head end of the conveying device 3 is opposite to the side of the rear end of the shelf 2. The top of the sampling table 1 is located below the shelf 2 and the linear module 901 is installed at the rear end. The moving end of the linear module 901 below is fixed with a bearing table 902 extending to the top of the shelf 2, and the moving end of the linear module 901 at the rear end is fixed with a paddle 903 opposite to the conveying device 3. By placing the sampling box on the bearing table, when the sampling bottle is filled, the sampling box can be transferred to the rear end of the shelf through the operation of the linear module, and then pushed to the conveying device through the paddle. The operation of the conveying device drives the sampling box to move in coordination with the operation of the quantitative filling component.

[0028] like Figures 2-3 As shown in the direction, in order to realize automatic placement of sampling bottles, the unloading component 7 includes an inclined plate 701 arranged on the sampling table 1 and located above the shelf 2, a material guide box 702 in an inclined state is installed on the plate surface of the inclined plate 701, the material guide box 702 is in the shape of a square funnel, and a pushing cylinder 714 located on the left side of the material guide box 702 is fixed on the plate surface of the inclined plate 701, and a flip filling component is installed at the lower right side, and a material channel plate 704 extending into the material guide box 702, a pushing column 715 that can pass through the material guide box 702 and extend into the material channel plate 704 is fixed at the ejection end of the pushing cylinder 714, and a baffle cylinder 703 that blocks the unloading port of the material guide box 702 is installed on the right side of the material guide box 702. The sampling bottles are loaded and carried by the material guide box. The sampling bottles will be concentrated in the material channel plate and divided into multiple groups, and the bottom layer will be opposite to the unloading port of the material guide box. When the filling port of the flip filling component is roughly opposite to the unloading port, the baffle cylinder retreats and the pushing cylinder advances, thereby transferring the sampling bottle to the filling port. The filling port is then flipped to be opposite to the sampling box to complete the placement of the sampling bottle, thereby realizing automatic unloading.

[0029] In order to realize the overturning and unloading, the overturning and filling assembly includes a propulsion cylinder 705 hingedly mounted on the front of the inclined plate 701, and a flip plate 707 rotatably connected to the right lower side of the guide box 702 on the inner side of the inclined plate 701, a receiving plate 708 docked with the unloading port of the guide box 702 is fixed on the flip plate 707, and a discharging assembly is arranged at the bottom of the receiving plate 708, and a hinge block 706 fixed to one end of the front of the flip plate 707 is hingedly connected to the propulsion end of the propulsion cylinder 705. The hinge block is pushed by the propulsion cylinder, and the flip plate is driven to rotate by the hinge block, so that the receiving plate can be adjusted to be opposite to the unloading port of the sampling box or the guide box, so that the sampling bottle can be transferred to the receiving plate by the above-mentioned pushing column, and the discharging assembly plays a supporting role at this time. When the receiving plate docks with the sampling box, the discharging assembly moves to open the opening at the bottom of the receiving plate, so that the sampling bottle is transferred to the sampling box.

[0030] In order to support and lower the sampling bottle, the unloading assembly includes two sleeves 709 that are inserted into the receiving plate 708. A baffle plate 710 that can block the material discharge port of the receiving plate 708 is fixed between the right ends of the two sleeves 709, and a connecting plate 711 is fixed between the left ends. The outer side of the sleeve 709 is located between the connecting plate 11 and the receiving plate 708 and is sleeved with a spring 712. The bottom of the inclined plate 701 is connected to a fixed block 713 opposite to the connecting plate 11. When the receiving plate is filled with the sampling bottle and returns to its original position, when it returns to the limit, the connecting plate will contact the fixed block and push the sleeve to move, and at the same time, it will squeeze the spring until the baffle plate is separated from the material discharge port. Then, when the connecting plate is separated from the fixed block, under the action of the spring, it will drive the baffle plate back to its original position to block the material discharge port of the receiving plate.

[0031] In addition, a top cylinder 716 with a downward ejection end is installed at the bottom of the sampling table 1, and a tripod 717 is fixed to the ejection end of the top cylinder 716. The three corners of the tripod 717 are fixed with legs 718 that pass through the sampling table 1 and are fixed to the top of the inclined plate 701. The tripod can be driven to move the legs up and down by the operation of the top cylinder, and the distance between the inclined plate and the shelf can be adjusted according to needs.

[0032] like Figure 5 and 6For the shown direction, in order to achieve quantitative automatic sampling, the quantitative filling component 6 includes a support plate 601 fixed on the frame body 4 and located below the mixing cylinder 5. On the plate surface of the support plate 601, a square cylinder 608 and a motor 610 are installed. At the same time, a liquid pushing component connected to the square cylinder 608 and a plurality of filling pipes 611 also connected to the square cylinder 608 are installed. A cylinder 609 that rotates inside the square cylinder 608 is fixed to the rotating end of the motor 610. A plurality of diversion holes are opened on three sides of the square cylinder 608. Among them, the diversion holes at the top of the square cylinder 608 are connected to the mixing cylinder 5. Liquid outlet holes are opened on the outer side of the cylinder 609 and are docked with the diversion holes on two sides of the square cylinder 608. In the initial state, the liquid outlet holes of the cylinder will connect the mixing cylinder and the liquid pushing component through the material guiding port. When the sample is injected into the pushing component, the cylinder is driven by the motor to rotate. The cylinder then closes the diversion holes at the top of the square cylinder, and then makes the liquid pushing component dock with the filling pipes. By the operation of the liquid pushing component, a certain amount of stored sample liquid can be pushed through the filling pipes into the sampling bottle to complete the quantitative collection of the sample.

[0033] In order to achieve quantitative filling, the liquid pushing component includes a sleeve block 606 fixed on the support plate 601 and a screw rod device 602. A plurality of sleeves 607 connected to the diversion holes of the square cylinder 608 are fixed inside the sleeve block 606. A moving plate 603 slidably connected to the support plate 601 is fixed to the moving end of the screw rod device 602. A push column 605 located inside the sleeve 607 is fixed to the left side of the moving plate 603. When the cylinder docks the sleeve with the mixing cylinder until the sleeve is filled with the sample liquid, and then the cylinder docks the sleeve with the filling pipes, the screw rod device operates, and the push column is pushed by the moving plate to eject the sample liquid in the sleeve into the sampling bottle to complete the quantitative sampling.

[0034] As Figure 7 For the shown direction, to lift the sampling box to improve the stability during sampling, a lifting cylinder 801 with its ejection end facing downward is installed at the bottom of the sampling table 1 below the filling pipes 611, and four guiding columns 802 are penetrated. The ejection end of the lifting cylinder 801 is fixed to a lifting plate 803 connected to the four guiding columns 802. The ejection ends of the four guiding columns 802 are fixed to a top plate 804. A transfer device 805 is installed on the top of the top plate 804. A moving table 806 is fixed to the moving end of the transfer device 805. By the operation of the lifting cylinder, with the cooperation of the lifting plate, the guiding columns and the top plate, the sampling box can be lifted to a certain height to separate the sampling box from the conveying device, and then with the cooperation of the transfer device driving the moving table to move, the sampling box follows the transfer to complete the sampling operation.

[0035] The working principle of the above embodiment is:

[0036] By placing the sampling box on the shelf, the upper top cylinder pushes the inclined plate to the appropriate position through the tripod and the foot column. Then, the propulsion cylinder drives the turning plate to rotate through the hinge block. At the same time, the turning plate also drives the receiving plate to face the discharge port of the material guiding box and align with the material channel plate. Then, the baffle cylinder retracts and the pushing cylinder drives the pushing column to push the sampling bottle into the receiving plate. Then, the turning plate rotates again so that the bottom of the receiving plate faces the sampling box until the connecting plate end of the receiving plate presses against the fixed block, and the sleeve column pushes the baffle plate to move so that the sampling bottle slides into the sampling box for filling. Repeat the above operations until the sampling box is filled with sampling bottles. Then, the linear module operates, so the bearing platform drives the sampling box to be transferred to the dial plate. The dial plate then pushes the sampling box onto the conveying device. The conveying device transports the sampling box below the filling pipe. The lifting cylinder drives the top plate to lift through the lifting plate and the guiding column, so as to lift the sampling box to avoid the conveying device affecting the sampling operation of the sampling box. Then, the stirring cylinder filters out impurities from the sample liquid through the filtering cylinder, and then connects through the square cylinder and the circular cylinder to inject the sample liquid into the sleeve. Then, the motor drives the circular cylinder to rotate to close the gap between the square cylinder and the filtering cylinder, thereby connecting the square cylinder and the filling pipe. The screw device drives the pushing column to move through the moving plate. Therefore, the sample liquid inside the sleeve can be pushed out through the pushing column, so that the sample liquid in the sleeve is introduced into the sampling bottle through the filling pipe to complete the function of quantitative sampling. Then, cooperate with the transfer device to drive the moving platform to move and drive the sampling box to move, so that all sampling bottles are filled with the sample liquid. Therefore, automatic sampling operation can be realized, and at the same time, the contact with people is reduced to improve safety.

[0037] The entire workflow ends, and the content not described in detail in this specification belongs to the prior art well-known to those skilled in the art.

[0038] It should be noted that in this article, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the term "comprising", "including" or any other variation thereof is intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements not only includes those elements, but also includes other elements not expressly listed, or elements inherent to such process, method, article or device. Without further limitation, an element defined by the phrase "including a..." does not exclude the existence of additional identical elements in the process, method, article or device including the said element.

[0039] Although embodiments of the present utility model have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principle and spirit of the present utility model. The scope of the present utility model is defined by the appended claims and their equivalents.

Claims

1. A sodium hydroxide sampling device, comprising a sampling station (1), characterized in that: The sampling platform (1) is equipped with a conveying mechanism, a frame (4), and a material discharge assembly (7) and a quantitative filling assembly (6) located above the conveying mechanism; a stirring drum (5) is installed on the frame (4); and the quantitative filling assembly (6) is connected to the discharge port of the stirring drum (5); The quantitative filling assembly (6) comprises a support plate (601) fixed on a frame (4), a square cylinder (608) and a motor (610) are mounted on the support plate (601), and a liquid pushing assembly and a plurality of filling tubes (611) connected to the square cylinder (608) are also mounted thereon, a cylinder (609) rotating inside the square cylinder (608) is fixed to the rotating end of the motor (610), a plurality of guide holes are provided on three sides of the square cylinder (608), the top side of the square cylinder (608) is connected to the mixing cylinder (5), and a liquid outlet hole is provided on the outer side of the cylinder (609) and is connected to the guide holes on both sides of the square cylinder (608).

2. A sampling device for sodium hydroxide according to claim 1, characterized in that: The liquid pushing assembly comprises a sleeve block (606) fixed on a support plate (601) and a screw device (602); a plurality of sleeves (607) connected to a square tube (608) are fixed inside the sleeve block (606); a moving plate (603) slidably connected to the support plate (601) is fixed at the moving end of the screw device (602); a push column (605) located inside the sleeve (607) is fixed on one side of the moving plate (603).

3. A sampling device for sodium hydroxide according to claim 1, characterized in that: The conveying mechanism comprises a shelf (2) and a conveying device (3) fixed on a sampling table (1), and a linear module (901) installed below and at the rear end of the shelf (2), wherein a supporting platform (902) extending to the top of the shelf (2) is fixed to the movable end of the linear module (901) below, and a shifting plate (903) is fixed to the movable end of the linear module (901) at the rear end.

4. A sampling device for sodium hydroxide according to claim 3, characterized in that: The bottom of the sampling platform (1) is located below the filling tube (611) and is equipped with a lifting cylinder (801) and a plurality of guide columns (802). A lifting plate (803) connected to the guide columns (802) is fixed to the ejection end of the lifting cylinder (801). A top plate (804) is fixed to the ejection ends of the plurality of guide columns (802). A transfer device (805) is installed on the top of the top plate (804). A moving platform (806) is fixed to the moving end of the transfer device (805).

5. A sampling device for sodium hydroxide according to claim 3, characterized in that: The material unloading assembly (7) comprises an inclined plate (701) arranged on the sampling table (1) and located above the shelf (2); a material guide box (702), a material pushing cylinder (714) and a flip filling assembly are installed on the inclined plate (701), as well as a material channel plate (704) extending into the material guide box (702); a material pushing column (715) that can pass through the material guide box (702) and extend into the material channel plate (704) is fixed to the ejection end of the material pushing cylinder (714); and a baffle cylinder (703) is installed on one side of the material guide box (702).

6. A sampling device for sodium hydroxide according to claim 5, characterized in that: The overturning and filling assembly comprises a propulsion cylinder (705) hingedly mounted on one side of the inclined plate (701), and an overturning plate (707) rotatably connected to the inner side, a material receiving plate (708) fixedly mounted on one side of the overturning plate (707) and connected to the unloading port of the material guide box (702), a material unloading assembly being arranged at the bottom of the material receiving plate (708), and a hinge block (706) fixedly connected to one side of the overturning plate (707) being hingedly mounted at the propulsion end of the propulsion cylinder (705).

7. A sampling device for sodium hydroxide according to claim 6, characterized in that: The unloading assembly comprises two sleeves (709) which are inserted into the receiving plate (708); a blocking plate (710) which can block the unloading opening of the receiving plate (708) is fixed between one end of the two sleeves (709); a connecting plate (711) is fixed between the other ends; a spring (712) is sleeved on the outer side of the sleeve (709) close to the connecting plate (711); and a fixing block (713) is connected to the bottom of the inclined plate (701).

8. A sampling device for sodium hydroxide according to claim 7, characterized in that: A top cylinder (716) is installed at the bottom of the sampling platform (1), a tripod (717) is fixed to the top end of the top cylinder (716), and three foot posts (718) passing through the sampling platform (1) and fixed to the inclined plate (701) are fixed to the top of the tripod (717).

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