Micro vacuum NMP storage tank output pump device

Abstract

The utility model discloses a micro vacuum NMP storage tank output pump device which comprises a first pump body and a second pump body, the first pump body comprises a first rotor, a first pump shell, a first cover plate and a first driving motor, and the second pump body comprises a second rotor, a second pump shell, a second cover plate and a second driving motor. A fixing mechanism is arranged between the first pump shell and the second pump shell, a cam ring is arranged on one side of the first pump shell, the first rotor is connected with the cam ring, the first driving motor is connected to the portion, close to one side of the first rotor, of the first pump shell, and a cam ring is arranged on one side of the second pump shell, and the second rotor is connected with the cam ring. A second driving motor is connected to the portion, close to one side of the second rotor, of the second pump shell, a stirring disc is arranged on one side of a fixing mechanism, the two pump bodies work at the same time, the NMP liquid output efficiency is improved, the fixing mechanism, a flow speed sensor, the stirring disc and a controller are matched, the phenomenon that when an NMP storage tank outputs, an output pump is blocked is not likely to happen, and the conveying stability is also guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to organic solvent output pump, concretely is a kind of micro-vacuum NMP storage tank output pump device. BACKGROUND

[0002] N-methyl-2-pyrrolidone (1-methyl-2-pyrrolidone, simply NMP) has the advantages of high flash point, good safety, good solubility and dilution performance for adhesive PDVF, and is widely used in lithium-ion batteries, which is the main component of waste gas emission in lithium-ion battery production, and the content is 0.06%~0.5%.

[0003] And the flow rate of the existing storage tank pump for nmp liquid delivery is not enough, which can easily cause the micro-vacuum NMP storage tank output pump to be blocked, causing the output pump to be damaged. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a kind of micro-vacuum NMP storage tank output pump device to solve the above technical problems.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of micro-vacuum NMP storage tank output pump device, including first pump body and second pump body, the first pump body includes first rotor, cam ring, first pump shell, first cover plate and first drive motor, the second pump body includes second rotor, cam ring, second pump shell, second cover plate and second drive motor, fixed mechanism is provided between the first pump shell and second pump shell, the first pump shell side is provided with cam ring, and the other side is provided with first cover plate, the first rotor is connected cam ring, the first drive motor is connected on the first pump shell on the side close to first rotor, the second pump shell side is provided with cam ring, and the other side is provided with second cover plate, the second rotor is connected cam ring, the second drive motor is connected on the second pump shell on the side close to second rotor, the fixed mechanism side is provided with stirring disc.

[0006] Preferably, the fixed mechanism includes a support plate, a first clasp, a second clasp and a connecting plate, the support plate is connected to the bottom of the first clasp and the second clasp on both sides, and the first clasp and the second clasp are connected by the connecting plate on the top.

[0007] Preferably, the connecting plate is provided with a fixing plate, and the fixing plate is connected with a heat sink on one side.

[0008] Preferably, the heat sink is provided with heat dissipation fins.

[0009] Preferably, one side of the fixing mechanism is further provided with a flow rate sensor, the flow rate sensor is connected with a controller, the controller is electrically connected with the first driving motor and the second driving motor, and the controller is used for controlling the real-time power of the first driving motor and the second driving motor.

[0010] Preferably, the first driving motor and the second driving motor are both provided with sealing plates.

[0011] Preferably, the connecting plate is provided with a through hole for passing the NMP liquid.

[0012] Preferably, the first pump housing and the second pump housing are both made of corrosion-resistant materials, the first cover plate and the second cover plate are both provided with sealing rings, the first driving motor is connected with the first rotor through an elastic coupling, and the second driving motor is connected with the second rotor through an elastic coupling.

[0013] Compared with the prior art, the micro vacuum NMP storage tank output pump device has the following beneficial effects:

[0014] The first pump body and the second pump body are arranged, so that the two pump bodies work simultaneously, the output efficiency of the NMP liquid is improved, the fixing mechanism, the flow rate sensor, the stirring disc and the controller are matched, the output efficiency of the first pump body and the second pump body is consistent, the output pump is not prone to be blocked when the NMP storage tank outputs, and the stability of the output is ensured. BRIEF DESCRIPTION OF DRAWINGS

[0015] In order to more clearly illustrate the technical scheme 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 in the following description are only some embodiments of the present application, and other drawings can also be obtained by those skilled in the art without creative labor.

[0016] Fig. 1 is a whole schematic view of the micro vacuum NMP storage tank output pump device of the embodiment;

[0017] Fig. 2 is a rear view of the micro vacuum NMP storage tank output pump device of the embodiment;

[0018] Fig. 3 is a side view of the micro vacuum NMP storage tank output pump device of the embodiment.

[0019] In the drawings, the components represented by the numbers are listed as follows:

[0020] 1, the first pump body; 2, the second pump body; 3, the first rotor; 4, cam ring; 5, the first pump housing; 6, the first cover plate; 7, the first drive motor; 8, the second rotor; 9, the second pump housing; 10, the second cover plate; 11, the second drive motor; 12, the fixing mechanism; 13, the stirring disc; 14, the support plate; 15, the first snap ring; 16, the second snap ring; 17, the connecting plate; 18, the fixed plate; 19, the heat dissipation box; 20, the heat dissipation fin; 21, the flow sensor; 22, the controller; 23, the sealing plate; 24, the through hole; 25, the sealing ring; 26, the elastic coupling. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0022] Please refer to Figs. 1-3 The utility model provides a kind of technical solutions: a kind of micro-vacuum NMP storage tank output pump device, including first pump body 1 and second pump body 2, first pump body 1 includes first rotor 3, cam ring 4, first pump housing 5, first cover plate 6 and first drive motor 7, second pump body 2 includes second rotor 8, cam ring 4, second pump housing 9, second cover plate 10 and second drive motor 11, first pump housing 5 and second pump housing 9 between being provided with fixing mechanism 12, first pump housing 5 one side is provided with cam ring 4, the other side is provided with first cover plate 6, first rotor 3 connects cam ring 4, first drive motor 7 is connected on the first pump housing 5 of the first rotor 3 side close, second pump housing 9 one side is provided with cam ring 4, the other side is provided with second cover plate 10, second rotor 8 connects cam ring 4, second drive motor 11 is connected on the second pump housing 9 of the second rotor 8 side close, fixing mechanism 12 one side is provided with stirring disc 13.

[0023] Specifically, the fixing mechanism 12 includes a support plate 14, a first clamping ring 15, a second clamping ring 16 and a connecting plate 17, the support plate 14 is connected to the bottom of the first clamping ring 15 and the second clamping ring 16 respectively, the top of the first clamping ring 15 and the second clamping ring 16 is connected through the connecting plate 17, the connecting plate 17 is provided with a fixing plate 18, further, one side of the fixing plate 18 is connected with a heat dissipation box 19, further, the heat dissipation box 19 is provided with heat dissipation fins 20, the first clamping ring 15 is clamped on the first pump shell 5, the second clamping ring 16 is clamped on the second pump shell 9, and the support plate 14 and the connecting plate 17 are connected, so that the fixing mechanism 12 connects the first pump shell 5 and the second pump shell 9 as a whole, thereby ensuring the stability of the first pump body 1 and the second pump body 2.

[0024] Specifically, one side of the fixing mechanism 12 is also provided with a flow rate sensor 21, the flow rate sensor 21 is connected with a controller 22, the controller 22 is electrically connected with the first driving motor 7 and the second driving motor 11, and the controller 22 is used for controlling the real-time power of the first driving motor 7 and the second driving motor 11. By arranging the flow rate sensor 21 and the controller 22, the power output of the first driving motor 7 and the second driving motor 11 can be adjusted in real time according to the flow rate data detected by the flow rate sensor 21, so as to achieve the purpose of accurately controlling the fluid output.

[0025] Specifically, the first driving motor 7 and the second driving motor 11 are both provided with a sealing plate 23, and the sealing plate 23 is arranged to prevent the nmp liquid from flowing into the first driving motor 7 and the second driving motor 11, thereby preventing the first driving motor 7 and the second driving motor 11 from being damaged.

[0026] Specifically, the connecting plate 17 is provided with a through hole 24 for the NMP liquid to pass through, and the through hole 24 is arranged to enable the NMP liquid to flow smoothly between the first pump body 1 and the second pump body 2 when the overall output pump is running, thereby realizing continuous and stable output, and the through hole 24 ensures the efficiency of liquid flow and reduces the pressure loss inside the pump body.

[0027] Specifically, the first pump shell 5 and the second pump shell 9 are made of corrosion-resistant materials, the first cover plate 6 and the second cover plate 10 are both provided with a sealing ring 25, the first driving motor 7 is connected with the first rotor 3 through an elastic coupling 26, and the second driving motor 11 is connected with the second rotor 8 through an elastic coupling 26. Through the above arrangement, the micro-vacuum NMP tank output pump is strengthened in corrosion resistance and sealing performance, effectively prolongs the service life of the equipment and ensures the stability of the output, and the application of the elastic coupling 26 can absorb part of the vibration and reduce mechanical wear, thereby further improving the reliability and operation efficiency of the device.

[0028] One specific application example of the embodiment is as follows:

[0029] In use, the device, through the controller 22, starts the first drive motor 7 and the second drive motor 11, and the first rotor 3 and the second rotor 8 are simultaneously rotated under the action of the cam ring 4, so that the NMP liquid in the first pump body 1 and the second pump body 2 is sucked and discharged, and since the first pump shell 5 and the second pump shell 9 are tightly connected through the fixing mechanism 12, during operation, the two pump bodies can work synchronously, maintain stable output pressure, and the controller 22 can dynamically adjust the power output of the first drive motor 7 and the second drive motor 11 according to the real-time data provided by the flow rate sensor 21, so that the output flow rate of the NMP liquid of the first pump body 1 and the second pump body 2 meets the predetermined requirements. The connecting plate 17 is provided with a through hole 24, and the NMP liquid can flow smoothly between the first pump body 1 and the second pump body 2, and the connecting plate 17 is provided with a stirring disc 13 on one side, which can effectively stir and mix, and ensure the uniformity of the liquid.

[0030] In the description of the present application, it should be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "the other end", "upper", "one side", "top", "inner", "front", "central", "both ends" and the like indicate the orientation or positional relationship based on the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore cannot be understood as a limitation of the present application.

[0031] In the present application, unless otherwise specified and limited, the terms "mounting", "setting", "connecting", "fixing", "threading" and the like should be understood broadly, for example, can be fixedly connected, or can be detachably connected, or can be integrated; can be mechanically connected, or can be electrically connected; can be directly connected, or can be indirectly connected through an intermediate medium; can be the internal communication of two elements or the interaction relationship between two elements, unless otherwise specified, the above-mentioned terms in the present application can be understood according to the specific meaning of the above-mentioned terms in the present application according to the specific situation.

[0032] Although the embodiments of the present application have been shown and described, it can be understood by those skilled in the art that the embodiments can be modified without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A micro-vacuum NMP storage tank output pump device, characterized by: The utility model relates to a double-pump body, including first pump body (1) and second pump body (2), first pump body (1) includes first rotor (3), cam ring (4), first pump casing (5), first cover plate (6) and first drive motor (7), second pump body (2) includes second rotor (8), cam ring (4), second pump casing (9), second cover plate (10) and second drive motor (11), be provided with fixed mechanism (12) between first pump casing (5) and second pump casing (9), one side of first pump casing (5) is provided with cam ring (4), and the other side is provided with first cover plate (6), first rotor (3) is connected cam ring (4), first drive motor (7) is connected on first pump casing (5) near first rotor (3) one side, one side of second pump casing (9) is provided with cam ring (4), and the other side is provided with second cover plate (10), second rotor (8) is connected cam ring (4), second drive motor (11) is connected on second pump casing (9) near second rotor (8) one side, one side of fixed mechanism (12) is provided with stirring disc (13).

2. The micro-vacuum NMP storage tank output pump device according to claim 1, characterized in that: The fixed mechanism (12) includes a support plate (14), a first clasp (15), a second clasp (16), and a connecting plate (17). The support plate (14) is connected to the bottom of the first clasp (15) and the second clasp (16) on both sides. The top of the first clasp (15) and the second clasp (16) are connected by the connecting plate (17).

3. The micro-vacuum NMP storage tank output pump device according to claim 2, characterized in that: The connecting plate (17) is provided with a fixed plate (18). The fixed plate (18) is connected to a heat sink (19) on one side.

4. The micro-vacuum NMP storage tank output pump device according to claim 3, characterized in that: The heat sink (19) is provided with a heat dissipation fin (20) inside.

5. The micro-vacuum NMP storage tank output pump device according to claim 1, characterized in that: The fixed mechanism (12) is also provided with a flow rate sensor (21) on one side. The flow rate sensor (21) is connected to a controller (22). The controller (22) is electrically connected to the first drive motor (7) and the second drive motor (11). The controller (22) is used to control the real-time power of the first drive motor (7) and the second drive motor (11).

6. The micro-vacuum NMP storage tank output pump device according to claim 1, characterized in that: The first drive motor (7) and the second drive motor (11) are both provided with a sealing plate (23).

7. The micro-vacuum NMP storage tank output pump device according to claim 2, characterized in that: The connecting plate (17) is provided with a through hole (24) for the NMP liquid to pass through.

8. The micro-vacuum NMP storage tank output pump device according to claim 1, characterized in that: The first pump casing (5) and the second pump casing (9) are both made of corrosion-resistant materials. The first cover plate (6) and the second cover plate (10) are both provided with a sealing ring (25). The first drive motor (7) is connected to the first rotor (3) through an elastic coupling (26). The second drive motor (11) is connected to the second rotor (8) through an elastic coupling (26).

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