Quantitative, constant pressure flush device

Abstract

The utility model discloses a kind of quantitative constant-pressure flushing devices, including flushing volume cylinder, piston, quantitative constant-pressure pushing mechanism, cleaning cylinder, ferrule, flushing conduit and hard branch pipe, the piston of quantitative top pressure pushing mechanism connection setting in flushing volume cylinder, cleaning cylinder is equipped with the ferrule that can be vertically moved, flushing conduit one end is communicated with the water outlet of flushing volume cylinder, other end is communicated with multiple hard branch pipes, the end of each hard branch pipe away from flushing conduit is penetrated ferrule and is inserted into cleaning cylinder inside.The utility model is characterized in that, through the cooperation of quantitative constant-pressure pushing mechanism and ferrule, the consistency of the washing pressure, washing volume and washing angle of washing liquid on each direction hard branch pipe is satisfied, personnel operation difference is excluded, and the accuracy of magnetic foreign matter, magnetic metal particle number test result is ensured.

Description

Technical Field

[0001] This utility model relates to the field of battery technology, specifically to a quantitative and pressure-controlled rinsing device. Background Technology

[0002] With the vigorous promotion of new energy vehicles, their safety has become a major concern for consumers. For lithium-ion batteries, safety is not just a matter of battery design, but also involves all components of the battery, including positive and negative electrode materials, electrolyte, separator, current collector, and structural components. Closely related to the positive electrode material are specifications such as magnetic foreign objects and the number of magnetic particles.

[0003] Currently, battery cell manufacturers, positive and negative electrode material manufacturers, and even precursor and precursor raw material manufacturers have begun to control the number of magnetic foreign objects and magnetic metal particles. The testing principle for magnetic foreign objects involves using a magnetic rod to collect a certain amount of magnetic material from the material, then rinsing the rod to remove any non-magnetic inclusions. The cleaned rod is then digested with a strong acid such as aqua regia, and the content of elements such as Fe, Cr, Zn, and Ni in the digestion solution is tested using ICP. The testing principle for the number of magnetic metal particles is similar. A magnetic rod with a heat-shrinkable outer jacket is used to collect a certain amount of magnetic metal particles from the material, then rinsing to remove non-magnetic particles. After removing the heat-shrinkable outer jacket and the magnetic rod, the magnetic metal particles attached to the outer jacket are collected. The oxide layer on the surface of the magnetic metal particles is removed using dilute hydrochloric acid, and then the magnetic metal particles are filtered out using a microporous membrane. The number of reflective particles is then observed and measured using a cleanliness meter.

[0004] In existing tests for magnetic foreign objects and magnetic metal particles, the enriched magnetic rods are cleaned by hand-washing with a washing bottle to remove attached non-magnetic substances. However, due to unquantifiable variations in personnel, bottle opening size, material type, washing angle, and pressure, the reliability of the test results is low, leading to abnormal data fluctuations. For example, insufficient washing pressure may result in incomplete removal of non-magnetic substances, leading to an overestimation of the result, while excessive washing pressure may wash away some weakly magnetic or large-sized foreign objects, resulting in an underestimation and misjudgment. Utility Model Content

[0005] The technical problem to be solved by this utility model is how to ensure the accuracy of the test results for the number of magnetic foreign objects and magnetic metal particles.

[0006] To solve the above-mentioned technical problems, this utility model provides the following technical solution:

[0007] A quantitative and pressure-controlled rinsing device includes a rinsing measuring cylinder, a piston, a quantitative and pressure-controlled pushing mechanism, a cleaning cylinder, a collar, a rinsing guide tube, and rigid branch tubes. The quantitative and pressure-controlled pushing mechanism is connected to the piston inside the rinsing measuring cylinder. The cleaning cylinder is fitted with a collar that can move vertically. One end of the rinsing guide tube is connected to the outlet of the rinsing measuring cylinder, and the other end is connected to multiple rigid branch tubes. The end of each rigid branch tube away from the rinsing guide tube passes through the collar and extends into the cleaning cylinder.

[0008] Through the combined action of the quantitative and pressure-controlled pushing mechanism and the ring, the flushing pressure, flushing volume, and flushing angle of the flushing fluid on the rigid branch pipe in each direction are kept consistent, eliminating differences in personnel operation and ensuring the accuracy of the test results for magnetic foreign objects and magnetic metal particles.

[0009] Preferably, the outlet of the rinsing measuring cylinder is equipped with a first one-way valve.

[0010] Preferably, the rinsing cylinder is also provided with a water inlet, and a second one-way valve is provided on the water inlet.

[0011] Preferably, the quantitative and pressure-controlled pushing mechanism includes a motor, a horizontal screw, and a vertical screw. The output end of the motor, located outside the rinsing cylinder, is connected to the horizontal screw. One end of the vertical screw is connected to the bottom of the piston, and the other end passes through the bottom of the rinsing cylinder and engages with the horizontal screw.

[0012] By fixing the motor speed, the flushing pressure of the flushing fluid can be fixed; by fixing the number of rotations of the motor, a quantitative flushing can be achieved.

[0013] Preferably, a base is also provided inside the cleaning cylinder.

[0014] Preferably, the collar is vertically movable and connected to the outside of the cleaning cylinder by multiple locking bolts.

[0015] The angle of the flushing fluid impact on the rigid branch pipe in each direction can be adjusted simultaneously by adjusting the position of the collar.

[0016] Preferably, the collar is evenly arranged with threaded holes corresponding to the number of locking bolts along the radial direction of the cleaning cylinder, and each locking bolt abuts against the outer wall of the cleaning cylinder after being threaded into the threaded hole.

[0017] Preferably, the ring is a rubber ring.

[0018] Preferably, the flushing catheter is connected to the rigid branch tube via a multi-port connector.

[0019] Preferably, the bottom of the cleaning drum is also provided with a drain outlet.

[0020] Compared with the prior art, the beneficial effects of this utility model are:

[0021] 1. Through the combined action of the quantitative and pressure-controlled pushing mechanism and the ring, the flushing pressure, flushing volume, and flushing angle of the flushing fluid on the rigid branch pipe in each direction are kept consistent, eliminating differences in personnel operation and ensuring the accuracy of the test results for magnetic foreign objects and magnetic metal particles.

[0022] 2. By fixing the motor speed, the flushing pressure of the flushing fluid can be fixed; by fixing the number of rotations of the motor, a quantitative flushing can be achieved.

[0023] 3. By adjusting the position of the collar, the angle of the flushing fluid impact on the rigid branch pipe in each direction can be adjusted synchronously. Attached Figure Description

[0024] Figure 1 This is a schematic diagram of the structure of an embodiment of the present utility model;

[0025] Figure 2 This is a schematic diagram of the layout structure of an embodiment of the present utility model;

[0026] Figure 3 This is a partial cross-sectional view of an embodiment of the present utility model.

[0027] In the diagram: 1. Flushing measuring cylinder; 101. Outlet; 102. Inlet; 103. First check valve; 104. Second check valve; 2. Piston; 3. Quantitative and pressure-controlled pushing mechanism; 31. Motor; 32. Horizontal screw; 33. Vertical screw; 4. Cleaning cylinder; 401. Drain outlet; 5. Ring; 6. Flushing guide tube; 7. Multi-port connector; 8. Rigid branch pipe; 9. Base; 10. Locking bolt; 11. Hose; 12. Flushing fluid storage tank; 13. Recovery tank. Detailed Implementation

[0028] To facilitate understanding of the technical solution of this utility model by those skilled in the art, the technical solution of this utility model will now be further described in conjunction with the accompanying drawings.

[0029] In this application, unless otherwise expressly specified and limited, the terms "installation," "connection," "linking," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection, an electrical connection, or a communication connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this application according to the specific circumstances.

[0030] In this application, unless otherwise expressly specified and limited, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this application, "multiple" means two or more, unless otherwise expressly and specifically limited.

[0031] See Figures 1 to 3 This embodiment discloses a quantitative and pressure-controlled rinsing device, including a rinsing measuring cylinder 1, a piston 2, a quantitative and pressure-controlled pushing mechanism 3, a cleaning cylinder 4, a collar 5, a rinsing conduit 6, a multi-port connector 7, and a rigid branch pipe 8.

[0032] The rinsing measuring cylinder 1 is a closed cylinder structure with an outlet 101 and an inlet 102 at the top. A first one-way valve 103 is provided on the outlet 101 so that the rinsing liquid in the rinsing measuring cylinder 1 can only go out and not go in. The inlet 102 is connected to the external rinsing liquid storage tank 12. A second one-way valve 104 is provided on the inlet 102 so that the external rinsing liquid can only go in and not go out. The piston 2 is located inside the rinsing measuring cylinder 1 and can move along the axial direction of the rinsing measuring cylinder 1.

[0033] The quantitative top-pressure pushing mechanism 3 includes a motor 31, a horizontal screw 32, and a vertical screw 33. The output end of the motor 31, located outside the rinsing cylinder 1, is connected to the horizontal screw 32. One end of the vertical screw 33 is connected to the center of the bottom of the piston 2, and the other end passes through the bottom of the rinsing cylinder 1 and engages with the thread 22 of the horizontal screw. Specifically, the motor 31 drives the horizontal screw 32 to rotate, causing the vertical screw 33 to rotate and move upward, thereby driving the piston 2 to move upward inside the rinsing cylinder 1. In this embodiment, the rinsing cylinder is adjusted by regulating the speed of the motor 31. The upward movement speed of the piston 2 inside the rinsing cylinder 1 regulates the pressure of the rinsing fluid flowing out of the inlet 102, thereby stabilizing the pressure of the rinsing fluid flowing out of the inlet 102 by adjusting the rotation speed of the motor 31. In addition, the upward movement distance of the piston 2 inside the rinsing cylinder 1 is adjusted by adjusting the number of rotations of the output end of the motor 31, thereby adjusting the amount of rinsing fluid flowing out of the inlet 102. This ensures that the amount of rinsing fluid flowing out of the inlet 102 is stabilized by adjusting the number of rotations of the output end of the motor 31, achieving the function of quantitative rinsing.

[0034] The top of the cleaning cylinder 4 is open, and the inside of the cleaning cylinder 4 is also provided with a base 9 for fixing the parts to be cleaned. The bottom of the cleaning cylinder 4 is also provided with a drain outlet 401 for discharging the rinsing liquid of the cleaning cylinder 4 and recycling it through the recycling tank 13.

[0035] The collar 5 is vertically movable to the outside of the cleaning cylinder 4 via multiple locking bolts 10. In this embodiment, the collar 5 has four threaded holes evenly arranged along the radial direction of the cleaning cylinder 4. Each threaded hole is threaded with a locking bolt 10, and the end of the locking bolt 10 abuts against the outer wall of the cleaning cylinder 4, thus fixing the collar 5 to the cleaning cylinder 4. The height of the collar 5 on the cleaning cylinder 4 can be adjusted by loosening the locking bolts 10. It should be noted that the number of threaded holes is not limited to four, but not less than two; the specific number is determined according to actual needs. The height of the collar 5 on the cleaning cylinder 4 can be adjusted by loosening the locking bolts 10.

[0036] One end of the flushing conduit 6 is connected to the outlet 101 of the flushing measuring cylinder 1, and the other end is connected to one of the ports of the multi-port connector 7. The remaining ports of the multi-port connector 7 are connected to the corresponding rigid branch pipes 8 through the hoses 11. The end of each rigid branch pipe 8 away from the hoses 11 extends vertically through the collar 5 and into the cleaning cylinder 4, aligning with the part to be cleaned on the base 9 inside the cleaning cylinder 4. In this embodiment, there are 4 rigid branch pipes 8, which are evenly distributed on the collar 5. The multi-port connector 7 has 5 ports, one of which is connected to the flushing conduit 6, and the other four ports are connected to the four hoses 11 respectively.

[0037] In this embodiment, the collar 5 is a rubber ring, and a through hole through which the rigid branch tube 8 passes is provided on the collar 5. The diameter of the through hole is slightly smaller than the diameter of the rigid branch tube 8. Since the collar 5 is a rubber ring, the rigid branch tube 8 can pass through the through hole and be snapped into the through hole, thereby fixing the rigid branch tube 8. The rigid branch tube 8 is C-shaped, so that the end of the rigid branch tube 8 away from the hose 11 can extend into the interior of the cleaning cylinder 4 from the top opening of the cleaning cylinder 4, ensuring that the rigid branch tube 8 can be aligned with the workpiece to be cleaned.

[0038] The working principle of this practical novel device is as follows: First, the part to be cleaned is fixed on the base 9. Then, the height of the adjusting collar 5 on the cleaning cylinder 4 is adjusted by loosening the locking bolt 10 and adjusting the height difference between the spray nozzle of the rigid branch pipe 8 and the part to be cleaned. The angle of water flow impact is adjusted by adjusting the height difference between the spray nozzle of the rigid branch pipe 8 and the part to be cleaned. Then, the pressure of the rinsing liquid flowing out of the inlet 102 is stabilized by stabilizing the rotation speed of the motor 31, thereby stabilizing the pressure of the rinsing liquid flowing out of the four rigid branch pipes 8, achieving the effect of constant pressure rinsing. The amount of rinsing liquid flowing out of the inlet 102 is stabilized by stabilizing the number of rotations of the output end of the motor 31, thereby stabilizing the amount of rinsing liquid flowing out of the four rigid branch pipes 8, achieving the effect of quantitative rinsing.

[0039] In summary, the quantitative and pressure-controlled rinsing device in this embodiment is not only simple in structure and low in manufacturing cost, but also applicable to a wide range of scenarios. Furthermore, by fixing the rotation speed of the motor 31, the rinsing pressure of the rinsing fluid can be fixed; by fixing the number of rotations of the motor 31, quantitative rinsing can be performed; and by adjusting the position of the collar 5, the angle of the rinsing fluid impact can be adjusted. This ensures the consistency of the rinsing pressure, rinsing volume, and rinsing angle of the rinsing fluid in each direction, eliminates differences in human operation, and ensures the accuracy of the test results for magnetic foreign objects and magnetic metal particles.

[0040] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, all variations falling within the meaning and scope of equivalents of the claims are intended to be included within this invention, and no reference numerals in the claims should be construed as limiting the scope of the claims.

[0041] The above-described embodiments are merely examples of implementation methods of the utility model. The scope of protection of this utility model is not limited to the above-described embodiments. For those skilled in the art, several modifications and improvements can be made without departing from the concept of this utility model, and these all fall within the scope of protection of this utility model.

Claims

1. A quantitative and pressure-controlled flushing device, characterized in that: It includes a flushing measuring cylinder, a piston, a quantitative and pressure-controlled pushing mechanism, a cleaning cylinder, a collar, a flushing guide tube, and rigid branch pipes. The quantitative and pressure-controlled pushing mechanism is connected to the piston inside the flushing measuring cylinder. The cleaning cylinder is fitted with a collar that can move vertically. One end of the flushing guide tube is connected to the outlet of the flushing measuring cylinder, and the other end is connected to multiple rigid branch pipes. The end of each rigid branch pipe away from the flushing guide tube passes through the collar and extends into the cleaning cylinder.

2. The quantitative and pressure-controlled flushing device according to claim 1, characterized in that: The outlet of the rinsing measuring cylinder is equipped with a first check valve.

3. The quantitative and pressure-controlled flushing device according to claim 1, characterized in that: The rinsing cylinder is also equipped with a water inlet, and a second one-way valve is installed on the water inlet.

4. The quantitative and pressure-controlled flushing device according to claim 1, characterized in that: The quantitative and pressure-controlled pushing mechanism includes a motor, a horizontal screw, and a vertical screw. The output end of the motor, located outside the rinsing cylinder, is connected to the horizontal screw. One end of the vertical screw is connected to the bottom of the piston, and the other end passes through the bottom of the rinsing cylinder and meshes with the horizontal screw.

5. The quantitative and pressure-controlled flushing device according to claim 1, characterized in that: The cleaning drum also has a base inside.

6. The quantitative and pressure-controlled flushing device according to claim 1, characterized in that: The collar is vertically movable and connected to the outside of the cleaning drum by multiple locking bolts.

7. The quantitative and pressure-controlled flushing device according to claim 6, characterized in that: The collar has threaded holes evenly arranged along the radial direction of the cleaning cylinder, corresponding to the number of locking bolts. Each locking bolt is threaded into the threaded hole and abuts against the outer wall of the cleaning cylinder.

8. The quantitative and pressure-controlled flushing device according to claim 1, characterized in that: The ring is made of rubber.

9. The quantitative and pressure-controlled flushing device according to claim 1, characterized in that: The flushing conduit is connected to the rigid branch tube via a multi-port connector.

10. A quantitative and pressure-controlled flushing device according to claim 1, characterized in that: The bottom of the cleaning drum is also equipped with a drain outlet.

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