CN221402177U - Butt joint sealing device and lithium salt feeder - Google Patents

Abstract

The utility model discloses a butt-joint sealing device and a lithium salt feeder, wherein the butt-joint sealing device comprises a mounting frame, a compensator, a sealing cover, a driving piece and an elastic resetting piece; the compensator is telescopically arranged on the mounting frame and is provided with a blanking channel; the elastic resetting piece is telescopically arranged on the compensator; the airtight cover is hinged to the mounting frame; the driving piece is connected with the airtight cover and is used for driving the airtight cover to be close to or far away from the compensator so as to block or open the blanking channel. The butt joint sealing device has the advantages of good sealing effect, high material quality and improved production efficiency.

Description

Butt joint sealing device and lithium salt feeder

Technical Field

The utility model relates to the technical field of lithium battery production, in particular to a butt joint sealing device and a lithium salt feeder.

Background

Lithium salt is an important component of electrolyte in lithium battery production, and the lithium salt can react chemically with air to generate toxic and harmful substances and influence the quality of the lithium salt. At present, the lithium salt is often fed manually, and the mode is extremely easy to cause the exposure of the lithium salt in the air, so that the quality of the lithium salt is reduced, and the production efficiency is low.

In view of the above, there is a need for a new butt seal and lithium salt batch feeder that addresses or at least alleviates the above-mentioned technical drawbacks.

Disclosure of utility model

The utility model mainly aims to provide a butt joint sealing device and a lithium salt feeder, and aims to solve the technical problems of poor quality and low production efficiency of lithium salt in lithium salt feeding in the prior art.

To achieve the above object, according to an aspect of the present utility model, there is provided a butt seal apparatus comprising:

The mounting frame is provided with a plurality of mounting grooves,

The compensator is telescopically arranged on the mounting frame and is provided with a blanking channel;

An elastic resetting piece which is telescopically arranged on the compensator;

The airtight cover is hinged to the mounting frame;

The driving piece is connected with the closed cover and used for driving the closed cover to be close to or far away from the compensator so as to block or open the blanking channel.

In an embodiment, the driving member comprises a cylinder body and a telescopic rod, the telescopic rod is in telescopic connection with the cylinder body, the cylinder body is rotatably installed on the installation frame, and the telescopic rod is hinged with the airtight cover.

In an embodiment, the airtight lid includes lid and connecting portion, the lid is used for the shutoff the unloading passageway, connecting portion include the connecting rod and set up respectively first end, second end and the third end on the connecting rod, first end with the third end sets up in opposite directions, the second end sets up the side of connecting rod, first end with the lid is connected, the second end with the mounting bracket is articulated, the third end with the telescopic link is articulated.

In one embodiment, a first vent hole is formed in the inner wall of the compensator.

In an embodiment, the number of the first ventilation holes is plural, and the plural first ventilation holes are circumferentially arranged around the blanking channel.

In an embodiment, the butt-joint sealing device further comprises a sealing ring, the sealing ring is installed on the compensator, the sealing ring is arranged on the outer side of the opening of the blanking channel, and the sealing cover is used for being abutted with the sealing ring.

In an embodiment, the butt-joint sealing device further comprises a transition flange, wherein the transition flange is connected with the compensator, and the transition flange and the sealing cover are oppositely arranged at two ends of the discharging channel.

In an embodiment, the transition flange is provided with a second vent hole, and the second vent hole is communicated with the blanking channel.

In an embodiment, the butt-joint sealing device further comprises a chute, and the chute is arranged in the blanking channel.

According to another aspect of the present utility model, there is provided a lithium salt feeder, the lithium salt feeder including the butt-joint sealing device as described above, further including a packaging barrel and a sending tank, the compensator being mounted to the sending tank, the packaging barrel being adapted to be connected to the compensator so as to communicate an inner cavity of the packaging barrel with an inner cavity of the sending tank through the discharging passage.

According to the technical scheme, the sealing cover is installed on the installation frame in a hinged mode and can be driven by the driving piece, so that the sealing cover can rotate to be close to or far away from the compensator, and the blanking channel is blocked or opened. In the use, the user can control the position of airtight lid through the driving piece, realizes sealing or opening to the unloading passageway. When the packaging barrel is pressed down to be in butt joint with the compensator, the compensator can elastically deform under the action of external force through the corrugated shape of the packaging barrel, so that the sending tank below the packaging barrel is prevented from being permanently deformed under the gravity from the packaging barrel, and the packaging barrel can be restored to the original position after the external force is removed, so that the packaging barrel and the compensator can still keep the same position after being in butt joint for a plurality of times. And under the action of the elastic force of the compensator, the compensator and the packaging barrel can be tightly attached together, so that the blanking channel is in a sealing state in the blanking process. The elastic resetting piece can be used for auxiliary resetting of the compensator, reliability in resetting is guaranteed, when the compensator is pressed down, the elastic resetting piece is compressed to accumulate elastic potential energy, external force is released after being moved out, and the compensator is pushed to return to the initial position. According to the utility model, the sealing butt joint of the sending tank and the packaging barrel is realized, materials enter the sending tank from the packaging barrel through the discharging channel in the discharging process, the time of exposing the materials in the air is reduced, the quality of the materials is improved, compared with a manual feeding mode, the automatic feeding can be realized through the butt joint sealing device, the production efficiency and the safety are improved, and the sealing device has the advantages of good sealing effect, high material quality and improved production efficiency.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the following brief description will be given of the drawings required for the description of the embodiments or the prior art, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained from the structures shown in these drawings without the need for inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of a lithium salt feeder according to an embodiment of the present utility model;

FIG. 2 is a schematic perspective view of a butt seal apparatus according to an embodiment of the present utility model;

Fig. 3 is a schematic cross-sectional view illustrating a butt-joint sealing device according to an embodiment of the present utility model when being butt-jointed with a packaging barrel.

Reference numerals illustrate:

the achievement of the objects, functional features and advantages of the present utility model will be further described with reference to the accompanying drawings, in conjunction with the embodiments.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that all directional indicators (such as up, down, left, right, front, and rear … …) in the embodiments of the present utility model are merely used to explain the relative positional relationship, movement, etc. between the components in a particular posture (as shown in the drawings), and if the particular posture is changed, the directional indicator is changed accordingly.

Furthermore, descriptions such as those referred to as "first," "second," and the like, are provided for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implying an order of magnitude of the indicated technical features in the present disclosure. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present utility model, the meaning of "plurality" is at least two groups, for example, two groups, three groups, etc., unless explicitly specified otherwise.

In the present utility model, unless explicitly specified and limited otherwise, the terms "connected," "fixed," and the like are to be construed broadly, and for example, "connected" may be either a fixed connection or a removable connection or integrated; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or in communication with each other within two sets of elements or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In addition, the technical solutions of the embodiments of the present utility model may be combined with each other, but it is necessary to be based on the fact that those skilled in the art can implement the technical solutions, and when the technical solutions are contradictory or cannot be implemented, the combination of the technical solutions should be considered as not existing, and not falling within the scope of protection claimed by the present utility model.

Referring to fig. 1 to 3, according to an aspect of the present utility model, a butt seal apparatus 100 is provided, and includes a mounting frame 1, a compensator 2, a sealing cover 3, a driving member 4, and an elastic restoring member 8; the compensator 2 is arranged on the mounting frame 1, and a blanking channel 21 is formed in the compensator 2; the elastic resetting piece 8 is telescopically arranged on the compensator 2; the airtight cover 3 is hinged to the mounting frame 1; the driving piece 4 is connected with the airtight cover 3, and the driving piece 4 is used for driving the airtight cover 3 to be close to or far away from the compensator 2 so as to block or open the blanking channel 21.

In the above embodiment, the butt-joint sealing device 100 may be conveniently fixed on a device to be sealed, and two ends of the discharging channel 21 may be respectively connected to the raw material feeding barrel (i.e. the packaging barrel 200) and the sending tank 300, and the sending tank 300 continuously feeds through a pipeline. When the packaging barrel 200 needs to be in butt joint with the sending tank 300, the driving piece 4 is controlled to drive the sealing cover 3 to be far away from one end of the blanking channel 21, so that the blanking channel 21 is opened, the packaging barrel 200 is in sealing butt joint with one end of the compensator 2, the other end of the compensator 2 can be fixed on the sending tank 300 and in sealing connection with the sending tank 300, and after the raw materials of the packaging barrel 200 are conveyed, the driving piece 4 is controlled to drive the sealing cover 3 to be close to the blanking channel 21, so that the blanking channel 21 is sealed.

The airtight cover 3 is installed on the installation frame 1 in a hinged manner and can be driven by the driving piece 4, so that the airtight cover 3 can rotate to be close to or far away from the compensator 2, and the blanking channel 21 is blocked or opened. In the use process, a user can control the position of the sealing cover 3 through the driving piece 4, so that the blanking channel 21 is sealed or opened. When the packaging barrel 200 is pressed down to be in butt joint with the compensator 2, the compensator 2 can be elastically deformed under the action of external force through the corrugated shape of the compensator, so that the sending can 300 positioned below the compensator can be prevented from being permanently deformed under the gravity from the packaging barrel 200, and can be restored to the original position after the external force is removed, and the packaging barrel 200 and the compensator 2 can still keep the same position after being in butt joint for a plurality of times. And under the action of the elastic force of the compensator 2, the compensator 2 and the packaging barrel 200 can be tightly attached together, so that the blanking channel 21 is in a sealing state in the blanking process. The elastic resetting piece 8 can be used as auxiliary resetting of the compensator 2, so that reliable resetting is ensured, when the compensator 2 is pressed down, the elastic resetting piece 8 is compressed to accumulate elastic potential energy, external force is released after being moved out, and the compensator 2 is pushed to return to the initial position. The embodiment realizes the sealed butt joint of the sending tank 300 and the packaging barrel 200, and materials enter the sending tank 300 from the packaging barrel 200 through the discharging channel 21 in the discharging process, so that the time of exposing the materials to the air is reduced, and the quality of the materials is improved. Specifically, the material is lithium salt.

In conclusion, compared with the manual feeding mode, the automatic feeding can be realized through the butt joint sealing device 100, the production efficiency and the safety are improved, and the butt joint sealing device has the advantages of being good in sealing effect, high in material quality and improving the production efficiency.

The elastic reset piece 8 comprises a compression spring and a guide rod, the compression spring is sleeved on the periphery of the guide rod, and two ends of the compression spring are respectively abutted with the compensator 2. As shown in fig. 2, the number of elastic restoring members 8 may be three, and the three elastic restoring members 8 are circumferentially arranged around the compensator 2.

In addition, the top of the delivery can 300 may be provided with a pneumatic ball valve 310, the pneumatic ball valve 310 functions to seal or open the delivery can 300, and the delivery can 300 is opened before discharging, and when the discharging of the material in the packing can 200 is completed, the pneumatic ball valve 310 is closed, thereby sealing the delivery can 300. Specifically, the upper flange of the pneumatic ball valve 310 is in threaded connection with the butt seal device 9, and the sending tank 300 is in threaded connection with the lower flange of the pneumatic ball valve 310.

Referring to fig. 2 and 3, in one embodiment, the driving member 4 includes a cylinder 41 and a telescopic rod 42, the telescopic rod 42 is telescopically coupled with the cylinder 41, the cylinder 41 is rotatably mounted to the mounting frame 1, and the telescopic rod 42 is hinged with the airtight cover 3. The driving member 4 may be a cylinder or an oil cylinder, and controls the extension or retraction of the telescopic rod 42 by injecting an air source or hydraulic oil into the cylinder 41, thereby achieving automatic opening and closing of the airtight cap 3. As shown in fig. 2, when the telescopic rod 42 extends, the cylinder 41 will rotate counterclockwise about the hinge between itself and the mounting frame 1, and the sealing cover 3 will rotate clockwise about the hinge between itself and the mounting frame 1, gradually approaches the compensator 2, and finally closes the blanking passage 21. It will be appreciated that the manner of opening the blanking passage 21 is opposite to that of closing, and will not be described here again. The embodiment connects all the parts through the hinged structure, and has simple structure and small occupied space.

Specifically, the airtight cover 3 includes a cover body 31 and a connecting portion 32, the cover body 31 is used for plugging the blanking channel 21, the connecting portion 32 includes a connecting rod 321 and a first end 322, a second end 323 and a third end 324 which are respectively arranged on the connecting rod 321, the first end 322 is arranged opposite to the third end 324, the second end 323 is arranged on the side surface of the connecting rod 321, the first end 322 is connected with the cover body 31, the second end 323 is hinged with the mounting frame 1, and the third end 324 is hinged with the telescopic rod 42. The first end 322 and the third end 324 form a lever structure with the second end 323 as a fulcrum, the cover 31 is fixed at the first end 322, and the driving member 4 drives the third end 324 to rotate, so as to drive the first end 322 to rotate. The sealing cover 3 has unique design, reasonable structure, simple operation, safety and reliability and can effectively block the blanking channel 21. The connecting portion 32 realizes flexible connection of the cover 31 and the mounting frame 1, and can be stably hinged with the telescopic rod 42. The design enables the airtight cover 3 to realize quick and accurate positioning in the operation process, and improves the working efficiency.

In one embodiment, the inner wall of the compensator 2 is provided with a first vent. In the case where the material is introduced from the packaging barrel 200 into the delivery tank 300 through the discharging passage 21, the material is inevitably adhered to the inner wall of the compensator 2, and even is accumulated and agglomerated, and the first vent hole provided in the inner wall of the compensator 2 can purge/blow off the adhered material. The first vent hole blows out high-pressure nitrogen, and the nitrogen is used as inert gas and cannot chemically react with materials. Specifically, the number of the first ventilation holes is plural, and the plural first ventilation holes are circumferentially arranged around the blanking passage 21. The first air vent that the circumference set up can sweep the inner wall of compensator 2 from a plurality of angles, and the effect is better.

Referring to fig. 2 and 3, in an embodiment, the butt seal device 100 further includes a seal ring 5, the seal ring 5 is mounted on the compensator 2, the seal ring 5 is disposed outside the opening of the blanking channel 21, and the sealing cover 3 is used to abut against the seal ring 5. When being in butt joint with the packaging barrel, the sealing ring 5 can form a sealing surface with the circular plate 220 welded on the feed opening 210 of the packaging barrel 200 through extrusion deformation, so that a good sealing effect is achieved; when the sealing cover 3 is abutted against the sealing cover, the sealing cover 3 can be pressed and deformed, so that the sealing performance is better when the sealing cover 3 seals the blanking channel 21.

It should be noted that, the first end 322 may be hinged to the cover 31, and the cover 31 may have a small adjustment amount in the circumferential range at the hinge position, so that the cover 31 may well contact with the sealing ring 5. If a rigid connection is adopted (the cover 31 and the first end 321 are welded together), the surface of the cover 31 and the surface of the sealing ring 5 are not completely attached due to processing or installation problems, so that a gap exists.

Referring to fig. 2 and 3, in an embodiment, the butt seal apparatus 100 further includes a transition flange 6, the transition flange 6 is connected to the compensator 2, and the transition flange 6 is disposed opposite to the closing cap 3 at both ends of the discharging passage 21. The compensator 2 is sealingly connected to the transmitter tank 300 via the transition flange 6, so that the entire butt seal 100 is mounted and fixed.

In addition, the transition flange 6 is provided with a second vent hole which is communicated with the blanking channel 21. The number of the second ventilation holes can be also multiple, and the second ventilation holes are arranged circumferentially, high-pressure nitrogen is blown out as protective gas, before the sealing cover 3 is in butt joint with the packaging barrel 200, the second ventilation holes continuously blow out the high-pressure nitrogen at the moment, air in the blanking channel 21 of the compensator 2 is discharged, and the material and the air are prevented from reacting; after the butt joint is completed, the purging of the high-pressure nitrogen is stopped.

Referring to fig. 3, in an embodiment, the butt seal apparatus 100 further includes a chute 7, and the chute 7 is disposed in the blanking passage 21. The material entering the blanking passage 21 can be effectively and smoothly led out. The inside of the material is smooth, the fluidity of the material is guaranteed, and the material can slide more smoothly. Direct contact of the material with the inner wall of the compensator 2 can also be reduced, reducing adhesion and accumulation of the material in the butt seal 100.

Referring to fig. 1, according to another aspect of the present utility model, there is provided a lithium salt feeder including the butt sealing device 100 as above, and further including a packing barrel 200 and a delivery tank 300, a compensator 2 being mounted to the delivery tank 300, the packing barrel 200 being adapted to be connected to the compensator 2 to communicate an inner cavity of the packing barrel 200 and an inner cavity of the delivery tank 300 through a discharging passage 21. The specific structure of the butt-joint sealing device 100 refers to the above embodiment, and since the lithium salt feeder adopts all the technical solutions of the above embodiment, at least the butt-joint sealing device has all the beneficial effects brought by the technical solutions of the above embodiment, and will not be described in detail herein.

The foregoing description of the preferred embodiments of the present utility model should not be construed as limiting the scope of the utility model, but rather should be understood to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the utility model as defined by the following description and drawings or any application directly or indirectly to other relevant art(s).

Claims (10)

1. A butt seal apparatus, comprising:

The mounting frame is provided with a plurality of mounting grooves,

The compensator is telescopically arranged on the mounting frame and is provided with a blanking channel;

An elastic resetting piece which is telescopically arranged on the compensator;

The airtight cover is hinged to the mounting frame;

The driving piece is connected with the closed cover and used for driving the closed cover to be close to or far away from the compensator so as to block or open the blanking channel.

2. The dock seal of claim 1, wherein the drive member includes a cylinder and a telescoping rod, the telescoping rod being telescopically coupled to the cylinder, the cylinder rotatably mounted to the mount, the telescoping rod being hinged to the closure cap.

3. The butt-joint sealing device according to claim 2, wherein the sealing cover comprises a cover body and a connecting part, the cover body is used for sealing the blanking channel, the connecting part comprises a connecting rod and a first end, a second end and a third end which are respectively arranged on the connecting rod, the first end and the third end are oppositely arranged, the second end is arranged on the side face of the connecting rod, the first end is connected with the cover body, the second end is hinged with the mounting frame, and the third end is hinged with the telescopic rod.

4. The dock seal of claim 1, wherein the compensator has a first vent opening in an inner wall.

5. The dock seal of claim 4, wherein the number of first vent holes is a plurality, the plurality of first vent holes being circumferentially disposed around the blanking channel.

6. A butt-joint sealing device according to any one of claims 1 to 5, further comprising a seal ring mounted to the compensator and disposed outside the opening of the blanking passage, the closing cap being adapted to abut the seal ring.

7. A butt seal according to any one of claims 1 to 5, further comprising a transition flange connected to the compensator, the transition flange being disposed at opposite ends of the blanking passage from the closing cover.

8. The dock seal of claim 7, wherein the transition flange defines a second vent opening, the second vent opening in communication with the blanking passage.

9. A dock seal according to any one of claims 1 to 5, further comprising a chute disposed within the blanking passage.

10. A lithium salt feeder comprising a butt-joint sealing device according to any one of claims 1 to 9, further comprising a packaging barrel and a delivery tank, the compensator being mounted to the delivery tank, the packaging barrel being adapted to connect with the compensator for communicating an interior cavity of the packaging barrel with an interior cavity of the delivery tank via the blanking passage.