Multi-stage mixing tank pipeline type sampling mechanism
By designing a multi-stage mixing tank pipeline sampling mechanism and utilizing the combination of a sealing plug and a conical sealing ring, the problems of inconvenient operation and clogging of the sampling device were solved, achieving a fast and residue-free sampling process and improving production efficiency.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-27
- Publication Date
- 2026-03-27
AI Technical Summary
Existing sampling devices require pre-extraction of residues from right-angled pipes during sampling, which is inconvenient to operate and prone to waste and blockage, affecting production efficiency.
A multi-stage mixing tank pipeline sampling mechanism was designed, including a detachable sampling tube and a sealing plug. The sealing plug and the conical sealing ring cooperate to switch between sealing and feeding states, ensuring that there are no residues in the sampling tube. The air inlet prevents negative pressure adsorption, thus achieving rapid sampling and preventing blockage.
It enables a convenient and efficient sampling process, avoids waste and blockages, and improves production efficiency and equipment operation stability.
Smart Images

Figure CN224051661U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to sampling mechanism technical field, especially, relate to a multistage mixing tank pipeline type sampling mechanism. BACKGROUND
[0002] The multistate mixing tank system in the production of sheet metal adhesive is usually composed of primary, intermediate and final mixing tanks, forming a complete mixing process chain. The primary tank is responsible for raw material rough mixing, equipped with a high shear mixer. The intermediate tank realizes accurate proportioning, integrates temperature control and online monitoring functions. The final tank completes product homogenization and defoaming, ensuring the final quality. The system uses combined stirring (anchor + spiral + dispersion disc), precise temperature control (±1 DEG C) and 316L stainless steel material, equipped with PLC automatic control, CIP cleaning system and safety protection device (explosion-proof design, emergency stop, etc.), through strict control of mixing sequence, temperature curve and residence time, realizing efficient and stable production of adhesive.
[0003] Between different mixing tanks, in order to avoid the standard not being reached in one level of mixing into the next level, it is necessary to set a sampling mechanism between each mixing tank. After mixing, sampling, testing and experiments are carried out to ensure that the standard is reached, and then the next level is entered. However, the existing sampling device is a straight pipe arranged on the side of the conveying pipe, and a valve is arranged at the end of the pipe.
[0004] In actual use, it is found that the mixture in the straight pipe can only be taken out from the sampling port, and the internal residual part cannot flow back to the conveying pipe, which leads to the need to pre-discharge the last residual in the straight pipe before sampling each time, and then the sampling is carried out. This operation is inconvenient and causes waste. Secondly, the equipment is not working for a long time, and the internal residual adhesive is easy to cause the straight pipe to be blocked.
[0005] To solve the above problems, a multistage mixing tank pipeline sampling mechanism is provided in the application. Utility model content
[0006] The utility model aims at providing a multistage mixing tank pipeline sampling mechanism, which solves the problems in the above background technology.
[0007] To solve the above technical problems, the utility model is realized by the following technical scheme:
[0008] The utility model discloses a multistage mixing tank pipeline type sampling mechanism, including the conveying pipe and the vertical sampling pipe of being arranged in the conveying pipe side, the sampling pipe lower extreme is equipped with the blanking tube, the sampling pipe is detachably installed in the conveying pipe side, the sampling pipe axial both ends intercommunication, and the front end communicates with the inside of conveying pipe, and the rear end is equipped with the blind plate of sealing, the sampling pipe inside front end is equipped with the conical sealing ring, the sampling pipe inside is equipped with the sealing plug of sliding along the axial movement, forms two kinds of state of sealing and blanking through the axial movement axle of sealing plug,
[0009] The sealing plug is located on one side of the blanking tube in the first state, and the sampling pipe is in a sealed state; in the second state, the sealing plug is located at the rear end of the sampling pipe, and the conveying pipe, the sampling pipe and the blanking tube are in communication for sampling.
[0010] Further, an internally threaded pipe is welded to the side of the conveying pipe, a threaded portion is arranged at the front end of the outer side of the sampling pipe and is screwed with the internally threaded pipe, and the positioning ring is pressed against the end face of the internally threaded pipe after screwing, and a sealing gasket is further arranged between the positioning ring and the internally threaded pipe.
[0011] Further, the rear end of the sealing plug is slidably attached in the sampling pipe, and a conical surface is arranged at the front end of the sealing plug and is fitted with the conical sealing ring.
[0012] Further, the fitting surface of the sealing plug and the sampling pipe is larger than the diameter of the connection between the blanking tube and the sampling pipe, and an air inlet hole is arranged at the lower part of the rear end of the sampling pipe.
[0013] Further, a threaded sleeve and a guide hole are arranged in the blind plate respectively, and the blind plate is sealed at the rear end of the sampling pipe through the cooperation of the bolt and the connecting lug.
[0014] Further, a rotating screw rod is arranged at the rear end of the sealing plug, the screw rod further penetrates the threaded sleeve, a screw wheel is arranged at the outer part of the screw rod, and a guide rod is slidably arranged in the guide hole and is fixed at the rear end of the sealing plug.
[0015] Further, a rectangular hole is arranged at the rear end of the screw rod, and a rectangular rod is inserted into the rectangular hole and is fixed through the bolt.
[0016] The utility model has the following beneficial effects:
[0017] The sealing plug and the conical sealing ring are close to the conveying pipe in the utility model, the inside of the sampling pipe will not have residual adhesive when the two are sealed, so that the adhesive in the current conveying pipe can be directly taken when sampling, waste is avoided, and sampling is more convenient;
[0018] The air inlet hole arranged in the utility model can avoid that the adhesive in the blanking tube is filled and is sucked by the negative pressure in the sampling pipe, the adhesive in the blanking tube can be quickly taken out, waste is reduced, and the effect of preventing blockage is achieved.
[0019] Of course, implementing any product of the present application does not necessarily need to achieve all the advantages described above at the same time. BRIEF DESCRIPTION OF DRAWINGS
[0020] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the embodiment description. Obviously, the drawings described in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor on the basis of these drawings.
[0021] Figure 1 It is a schematic diagram of the overall appearance structure of the present application;
[0022] Figure 2 It is a schematic diagram of the structure of the main view half cut;
[0023] Figure 3 It is Figure 2 It is a schematic diagram of the structure when sampling;
[0024] Figure 4 It is a schematic diagram of the structure of the present application split and partially cut;
[0025] In the drawings, the components represented by each reference numeral are listed as follows:
[0026] In the drawings: 1, conveying pipe; 11, internally threaded pipe; 2, sampling pipe; 21, threaded part; 22, conical sealing ring; 23, positioning ring; 24, connecting lug; 25, air inlet hole; 3, blanking pipe; 4, blind plate; 41, threaded sleeve; 42, guide hole; 5, sealing plug; 51, screw rod; 511, rectangular hole; 52, guide rod; 6, twisting wheel; 61, rectangular rod; 7, sealing gasket. DETAILED DESCRIPTION
[0027] The technical solutions in the embodiments of the present application will be described clearly and completely below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only some embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.
[0028] In the description of the utility model, need understanding is, the term "open hole", "upper", "lower", "thickness", "top", "middle", "length", "inside", "four around" indicate the orientation or position relation, only for the convenience of describing the utility model and simplifying the description, is not indicate or imply that the component or element must have a specific orientation, constructs and operates in a specific orientation, therefore can not be understood as the limitation to the utility model.
[0029] Please refer to Figures 1-4 As shown in the utility model is a kind of multistage mixing tank pipeline sampling mechanism, including conveying pipe 1 and vertically arranged in the side of conveying pipe 1 sampling pipe 2, sampling pipe 2 detachably installed in the side of conveying pipe 1, conveying pipe 1 side is welded with internal thread pipe 11, sampling pipe 2 outside front end is equipped with the threaded portion 21 with internal thread pipe 11 screw thread cooperation, and threaded compression after positioning ring 23 and internal thread pipe 11 end face compression, positioning ring 23 and internal thread pipe 11 between still be equipped with sealing washer 7, this part is convenient for sampling mechanism on the disassembly of conveying pipe 1, simultaneously when installation can guarantee structural stability cover and connection seal.
[0030] Wherein, sampling pipe 2 inside front end is equipped with conical sealing ring 22, sampling pipe 2 is equipped with the sealing plug 5 sliding in the axial direction, sealing plug 5 rear end is attached in sampling pipe 2, sealing plug 5 front end is equipped with the conical surface in line with conical sealing ring 22, sealing and blanking two states are formed by the axial movement of sealing plug 5 shaft, as Figure 2 As shown in the first state, sealing plug 5 is attached with conical sealing ring 22 at this time, sealing plug 5 is located in blanking pipe 3 left side, sampling pipe 2 is in sealed state, as Figure 3 As shown in the second state, sealing plug 5 is located in sampling pipe 2 rear end at this time, adhesive flows out from conveying pipe 1 through sampling pipe 2, blanking pipe 3 and is collected by utensil.
[0031] Wherein, the axial two ends of sampling pipe 2 are interconnected, the front end is communicated with the inside of conveying pipe 1, and the rear end is provided with a sealed blind plate 4, the blind plate 4 is provided with a threaded sleeve 41 and a guide hole 42, the blind plate 4 is sealed at the rear end of the sampling pipe 2 through the cooperation of the bolts and the connecting ears 24, and a sealing ring can be arranged at the connecting position of the blind plate 4 and the sampling pipe 2. The blind plate 4 facilitates the assembly of the sealing plug 5 in the sampling pipe 2 and supports the movement of the sealing plug 5.
[0032] Wherein, the lower end of the sampling pipe 2 is provided with a blanking pipe 3, and the lower end of the blanking pipe 3 is inclined away from the conveying pipe 1, so as to facilitate the placement of the utensil. In order to prevent the adhesive in the sampling pipe 2 from flowing out through the air inlet hole 25, the fitting surface of the sealing plug 5 and the sampling pipe 2 is larger than the diameter of the connecting position of the blanking pipe 3 and the sampling pipe 2, and the rear end of the sampling pipe 2 is provided with an air inlet hole 25. The air inlet hole 25 is used for the air inlet of the upper end of the blanking pipe 3 when the sealing plug 5 is sealed, so as to avoid that the adhesive in the sampling pipe 2 is sucked by the negative pressure of the blanking pipe 3.
[0033] The rear end of the sealing plug 5 is provided with a rotating screw rod 51, and the screw rod 51 is also screwed through the threaded sleeve 41, and the threaded structure has the advantages of convenient operation and stable structure, the screw rod 51 is externally provided with a rotating knob 6 facilitating rotation, the rear end of the sealing plug 5 is fixedly provided with a guide rod 52 slidingly penetrating the guide hole 42, and the guide hole 42 and the guide rod 52 prevent the sealing plug 5 from being rotated by the screw rod 51 during movement, thereby ensuring the sealing property of the sealing plug 5 in the sampling pipe 2, and meanwhile, the guide hole 42 and the guide rod 52 also have a structure reinforcing effect.
[0034] The rear end of the screw rod 51 is provided with a rectangular hole 511, the front end of the rotating knob 6 is provided with a rectangular rod 61 inserted into the rectangular hole 511 and fixed by bolts, the bolts penetrate one end of the rectangular hole 511 in the radial direction and are screwed and locked with the rectangular rod 61, and the disassembly between the screw rod 51 and the rotating knob 6 facilitates the assembly and disassembly between the screw rod 51 and the guide rod 52 and the blind plate 4.
[0035] It can be understood that, by cooperation of the sealing plug and the conical sealing ring, residual adhesive in the sampling pipe can be removed, and fresh samples in the current conveying pipe can be ensured to be taken; the air inlet hole can prevent the adhesive in the blanking pipe from being adsorbed by negative pressure, realize rapid sampling and prevent blockage, and reduce waste; the overall structure is simple, and sampling is convenient, efficient and high.
[0036] One specific application of the embodiment is:
[0037] Assembling: the internally threaded pipe 11 is vertically welded on the side of the conveying pipe 1 and communicates with the inside of the conveying pipe 1, the sealing gasket 7 is sleeved outside the threaded part 21 and the sampling pipe 2 is assembled with the internally threaded pipe 11 through the threaded part 21, the positioning ring 23 abuts against the internally threaded pipe 11, the blanking pipe 3 is downward, the screw rod 51 is screwed into the threaded sleeve 41 from the inside of the blind plate 4, then the guide rod 52 is inserted into the guide hole 42, the rectangular rod 61 is inserted into the rectangular hole 511 and locked by bolts after the screw rod 51 protrudes outside the blind plate 4, the sealing plug 5 is arranged inside the sampling pipe 2, the blind plate 4 is arranged at the end of the sampling pipe 2, and the blind plate 4 is fixed at the end of the sampling pipe 2 by cooperation of the bolts and the connecting ears 24; as shown in Figure 1 and Figure 2 The sealing plug 5 and the conical sealing ring 22 are in a sealing state, and the adhesive is conveyed through the conveying pipe 1 at this time;
[0038] Sampling: by rotating the screw rod 51 through the knob 6, the screw rod 51 moves the sealing plug 5 to the rear end of the sampling tube 2 through the helical drive of the threaded sleeve 41, the front end of the sealing plug 5 is out of contact with the conical sealing ring 22, the guide rod 52 slides in the guide hole 42 during the movement of the sealing plug 5, and the adhesive in the conveying pipe 1 automatically enters the sampling tube 2 under the action of pressure as the sealing plug 5 moves backward, when the sealing plug 5 moves to the upper end of the discharge pipe 3, the adhesive flows out from the discharge pipe 3, and is collected by the sampling vessel, after sampling is completed, the knob 6 is twisted in the opposite direction, the sealing plug 5 is pushed to the conical sealing ring 22 under the action of threads, the sealing plug 5 pushes the residual adhesive in the sampling tube 2 back into the conveying pipe 1, when the sealing plug 5 is reset, the air inlet hole 25 is communicated with the upper end of the discharge pipe 3, and the adhesive in the discharge pipe 3 can also flow out smoothly.
[0039] In the description of the present specification, the description of the terms "one embodiment", "example", "specific example" and the like means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present application. In the present specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.
[0040] The preferred embodiments of the application disclosed above are only used to help explain the application. The preferred embodiments do not describe all the details, nor limit the application to the specific embodiments described. Obviously, according to the content of the present specification, many modifications and changes can be made. The present specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the application, so that those skilled in the art can well understand and utilize the application. The application is limited by the claims and their entire scope and equivalents.
Claims
1. A multi-stage mixed tank pipeline sampling mechanism, comprising a conveying pipe (1) and a sampling pipe (2) vertically arranged on the side of the conveying pipe (1), and a lower discharging pipe (3) arranged at the lower end of the sampling pipe (2), characterized in that: The sampling pipe (2) is detachably mounted on the side of the conveying pipe (1), the sampling pipe (2) is communicated at both axial ends, the front end is communicated with the inside of the conveying pipe (1), the rear end is provided with a sealed blind plate (4), the inside of the sampling pipe (2) is provided with a sealing plug (5) sliding along the axial direction, the sealing plug (5) is axially moved to form two states of sealing and discharging; In the first state, the sealing plug (5) is attached to the conical sealing ring (22), the sealing plug (5) is located on one side of the discharging pipe (3), the sampling pipe (2) is in a sealed state, in the second state, the sealing plug (5) is located at the rear end of the sampling pipe (2), at this time, the conveying pipe (1), the sampling pipe (2) and the discharging pipe (3) are communicated for sampling.
2. A multi-stage hybrid tank pipeline sampling mechanism according to claim 1, characterized in that: The conveying pipe (1) is welded with an internally threaded pipe (11) on the side, the sampling pipe (2) is provided with a threaded part (21) at the front end of the outside, which is screwed with the internally threaded pipe (11), and the positioning ring (23) is pressed against the end face of the internally threaded pipe (11) after screwing, and a sealing gasket (7) is further arranged between the positioning ring (23) and the internally threaded pipe (11).
3. A multi-stage hybrid tank pipeline sampling mechanism according to claim 1, characterized in that: The rear end of the sealing plug (5) is attached to the sampling pipe (2), and the front end of the sealing plug (5) is provided with a conical surface matched with the conical sealing ring (22).
4. A multi-stage hybrid tank pipeline sampling mechanism according to claim 3, wherein: The fitting surface of the sealing plug (5) and the sampling pipe (2) is larger than the diameter of the connection between the discharging pipe (3) and the sampling pipe (2), and the rear end of the sampling pipe (2) is provided with an air inlet hole (25).
5. A multi-stage hybrid tank pipeline sampling mechanism according to claim 1, characterized in that: The blind plate (4) is provided with a threaded sleeve (41) and a guide hole (42), and the blind plate (4) is sealed at the rear end of the sampling pipe (2) by cooperating with the connecting lug (24) through bolts.
6. A multi-stage hybrid tank pipeline sampling mechanism according to claim 5, wherein: The rear end of the sealing plug (5) is provided with a rotating screw rod (51), and the screw rod (51) further penetrates the threaded sleeve (41), the screw rod (51) is provided with a twisting wheel (6) outside, and the rear end of the sealing plug (5) is fixed with a guide rod (52) penetrating and sliding in the guide hole (42).
7. A multi-stage hybrid tank pipeline sampling mechanism according to claim 6, wherein: The rear end of the screw rod (51) is provided with a rectangular hole (511), and the front end of the twisting wheel (6) is provided with a rectangular rod (61) inserted into the rectangular hole (511) and fixed by bolts.