Pole piece transfer device

Abstract

The utility model provides a pole piece transfer device which comprises a box body, a plurality of pole pieces and a plurality of pole pieces, the door body is arranged on the box body and is used for opening or sealing the accommodating cavity; the partition plate is arranged in the containing cavity and divides the containing cavity into a first cavity body and a second cavity body in the axial direction of the box body; the bearing piece is arranged in the containing cavity, the bearing piece comprises a first bearing section and a second bearing section, the first bearing section is located in the first cavity, the second bearing section is located in the second cavity, and the bearing piece is used for bearing the pole piece winding drum. By applying the technical scheme, the technical problem that the structure is easy to damage when the pole piece is transferred can be solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to battery pole piece transfer technical field, concretely relates to a pole piece transfer device. BACKGROUND

[0002] After the splitting of the pole piece (positive pole piece and negative pole piece) of the lithium battery, the pole piece needs to be wound on the pole piece winding drum for transfer, and during the transfer of the battery pole piece, the environmental conditions such as temperature, humidity and cleanliness need to be strictly controlled to ensure the quality and performance of the battery pole piece. If the moisture is out of control, it will cause the battery to swell, low capacity, low cycle life, high internal resistance and high self-discharge. Dust out of control will cause internal short circuit of the battery, high self-discharge, and even cause battery explosion and fire in severe cases.

[0003] However, in the related art, the transfer of the pole piece winding drum is usually carried out in an exposed annular shape, which will affect the structure of the pole piece itself, reduce the performance of the pole piece itself, and thus affect the yield during battery production. SUMMARY

[0004] The embodiment of the utility model provides a pole piece transfer device, which can improve the technical problem that the structure is easy to be damaged during pole piece transfer.

[0005] The embodiment of the utility model provides a pole piece transfer device, which comprises: a box body having a containing cavity; a door body arranged on the box body, the door body being used for opening or sealing the containing cavity; a partition plate arranged in the containing cavity, the partition plate separating the containing cavity into a first chamber and a second chamber along the axial direction of the box body; and a receiving member arranged in the containing cavity, the receiving member comprising a first receiving section and a second receiving section, the first receiving section being located in the first chamber, the second receiving section being located in the second chamber, and the receiving member being used for receiving the pole piece winding drum.

[0006] In an embodiment, the pole piece transfer device further comprises a fixing assembly, which is used for fixing the box body and the door body when the door body is located at the position of sealing the containing cavity.

[0007] In an embodiment, the fixing assembly comprises: a fixing rod, one end of the fixing rod being arranged on one of the box body and the door body, and the fixing rod being connected with the box body or the door body in a penetrating manner; and a fixing member arranged on the other of the box body and the door body, the fixing member being connected with the other end of the fixing rod in a sleeving manner to fix the box body and the door body.

[0008] In an embodiment, one end of the fixing rod is arranged on the box body, the edge of the door body is provided with a protruding portion, a clamping groove is arranged on the protruding portion, the other end of the fixing rod is connected with the clamping groove in a penetrating manner, and the fixing member is connected with the other end of the fixing rod in a sleeving manner and abuts against the end face of the protruding portion away from the box body to fix the box body and the door body.

[0009] In an embodiment, the fixing rod comprises a screw rod, one end of the screw rod is rotatably connected with the box body, and the fixing member comprises a nut.

[0010] In an embodiment, the pole piece transfer device further comprises a rotating wheel, the sidewall of the first receiving section and / or the second receiving section is provided with the rotating wheel, and the rotating axis of the rotating wheel is perpendicular to the axis of the receiving member.

[0011] In an embodiment, the pole piece transfer device comprises a plurality of rotating wheels, and the plurality of rotating wheels are arranged in the axial direction of the receiving member.

[0012] In an embodiment, the partition plate is provided with a through hole, and the first cavity and the second cavity are communicated through the through hole.

[0013] In an embodiment, the through hole has a plurality of through holes, and the plurality of through holes are arranged in the circumferential direction of the partition plate.

[0014] In an embodiment, the pole piece transfer device further comprises a sealing member, the connection part of the door body and the box body is provided with the sealing member, and the sealing member is used for sealing the gap between the door body and the box body.

[0015] In an embodiment, the pole piece transfer device further comprises a limiting member, one end of the first receiving section away from the second receiving section and / or one end of the second receiving section away from the first receiving section is provided with the limiting member, and the limiting member is sleeved on the outer periphery of the first receiving section and / or the second receiving section to limit the axial displacement of the pole piece winding drum along the receiving member.

[0016] In an embodiment, the outer diameter of the first receiving section and / or the second receiving section is L1, and 100mm≤L1≤150mm.

[0017] In an embodiment, the extension length of the first receiving section and / or the second receiving section in the axial direction of the box body is L2, and 650mm≤L2≤750mm.

[0018] In an embodiment, the pole piece transfer device further comprises an air inlet pipe, the air inlet pipe is arranged on the box body and / or the door body, and the air inlet pipe is communicated with the containing cavity to exhaust or inflate the containing cavity.

[0019] In an embodiment, the pole piece transfer device further comprises a pressure gauge, the pressure gauge is arranged on the box body and / or the door body to monitor the pressure in the containing cavity.

[0020] The technical scheme of the utility model discloses a supporting piece is arranged in the box, the supporting piece supports the pole piece winding drum, the door body can seal the chamber in the box, so that the pole piece on the pole piece winding drum can be in the suitable transfer environment, such as temperature, humidity and cleanliness, when transferring, the pole piece is not influenced by the external environment, so that the structure of the pole piece can be protected, the problem that the pole piece is easy to be damaged when transferring is reduced, the sealing cavity is divided into the first chamber and the second chamber by the partition, so that the first chamber and the second chamber can rotate the pole piece of different polarity, thereby improving the stability of the pole piece when transferring. BRIEF DESCRIPTION OF DRAWINGS

[0021] In order to more clearly illustrate the technical scheme in the embodiment of the utility model, the drawings needed to be used in the embodiment description will be briefly introduced, and obviously, the drawings in the following description are only some embodiments of the utility model, and other drawings can be obtained according to these drawings without creating labor for the person skilled in the art.

[0022] Figure 1 It is the three-dimensional schematic view of the pole piece transfer device provided by the embodiment of the utility model;

[0023] Figure 2 It is the three-dimensional schematic view of the pole piece transfer device provided by the embodiment of the utility model;

[0024] Figure 3 It is the sectional view schematic view of the pole piece transfer device provided by the embodiment of the utility model;

[0025] Figure 4 It is the structure schematic view of the supporting piece provided by the embodiment of the utility model;

[0026] Figure 5 It is the front view of the supporting piece provided by the embodiment of the utility model;

[0027] Figure 6 It is the side view schematic view of the supporting piece provided by the embodiment of the utility model;

[0028] Figure 7 It is Figure 1 The enlarged schematic view of A in the figure.

[0029] Among them, the above-mentioned drawing includes the following figure marks:

[0030] Box 10, containing cavity 11,

[0031] Door body 20, protruding part 21, clamping groove 22,

[0032] Partition 30, first chamber 31, second chamber 32, through hole 33,

[0033] the receiving piece 40, the first receiving section 41, the second receiving section 42,

[0034] the fixing assembly 50, the fixing rod 51, the fixing piece 52,

[0035] the rotating wheel 60,

[0036] the limiting piece 70,

[0037] the air inlet pipe 80,

[0038] the pressure gauge 90. DETAILED DESCRIPTION

[0039] 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 part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the present application.

[0040] As shown in Figures 1 to 7 The embodiments of the present application provide an electrode sheet transfer device. The electrode sheet transfer device comprises a box body 10 having a containing cavity 11; a door body 20 arranged on the box body 10, the door body 20 being used for opening or sealing the containing cavity 11; a partition plate 30 arranged in the containing cavity 11, the partition plate 30 separating the containing cavity 11 into a first cavity 31 and a second cavity 32 along the axial direction of the box body 10; and a receiving piece 40 arranged in the containing cavity 11, the receiving piece 40 comprising a first receiving section 41 and a second receiving section 42, the first receiving section 41 being located in the first cavity 31, the second receiving section 42 being located in the second cavity 32, and the receiving piece 40 being used for receiving an electrode sheet winding drum.

[0041] The technical solutions of the present application are used to set the receiving piece 40 in the box body 10, receive the electrode sheet winding drum by the receiving piece 40, and seal the cavity in the box body 10 by the door body 20, so that the electrode sheet on the electrode sheet winding drum can be kept in a suitable transfer environment, such as temperature, humidity and cleanliness, and will not be affected by the external environment during the transfer, thereby protecting the structure of the electrode sheet and reducing the problem that the electrode sheet is easily damaged during the transfer. The first cavity 31 and the second cavity 32 are separated by the partition plate 30, so that the first cavity 31 and the second cavity 32 can be used to transfer electrode sheets of different polarities, thereby improving the stability of the electrode sheet during the transfer.

[0042] In an embodiment, the pole piece transfer device further comprises a fixing assembly 50, which is used to fix the box body 10 and the door body 20 when the door body 20 is located at the position of the sealed accommodating cavity 11. Through the above structure, the movement of the door body 20 relative to the box body 10 during the transfer process can be prevented, so as to ensure the sealing performance of the door body 20 to the pole piece winding drum in the box body 10, and the stability during the transfer process is beneficial.

[0043] In an embodiment, the fixing assembly 50 comprises a fixing rod 51, one end of the fixing rod 51 is arranged on one of the box body 10 and the door body 20, and the fixing rod 51 is connected with the box body 10 or the door body 20; a fixing piece 52 is arranged on the other of the box body 10 and the door body 20, and the fixing piece 52 can be connected with the fixing rod 51 in a sleeving manner to fix the box body 10 and the door body 20. In this way, the fixing mode is simple and reliable, which not only can meet the connection requirement between the door body 20 and the box body 10, but also can facilitate the use of the user.

[0044] In an embodiment, one end of the fixing rod 51 is arranged on the box body 10, the edge of the door body 20 is provided with a protruding portion 21, the protruding portion 21 is provided with a clamping groove 22, the other end of the fixing rod 51 is connected with the clamping groove 22 in a penetrating manner, and the fixing piece 52 is connected with the other end of the fixing rod 51 in a sleeving manner and abuts against the end face of the protruding portion 21 away from the box body 10, so as to fix the box body 10 and the door body 20. Through the above structure, the structural strength when the two are connected can be ensured, so as to facilitate the tightness when the door body 20 is connected with the box body 10.

[0045] In an embodiment, the fixing rod 51 comprises a screw rod, one end of the screw rod is rotatably connected with the box body 10, and the fixing piece 52 comprises a nut. The screw rod and the nut can generate strong fastening force through the close combination of threads, so as to ensure that the connected parts are stable and reliable. Under the conditions of high load, high vibration and extreme temperature, the connection of the screw rod and the nut can also maintain high fastening force and is not easy to loosen. The installation and disassembly of the screw rod and the nut are relatively simple, and only need to be rotated to realize fastening or loosening.

[0046] Meanwhile, the above connection method does not require complex tools or equipment, reducing the operation difficulty and cost. The screw rod and the nut have various models, materials and specifications, which can meet the connection requirements of different occasions and needs. Their fastening methods have diversity and compatibility, which can adapt to various complex mechanical structures and working environments. The screw rod and the nut connection has high working efficiency, which can quickly complete the fastening operation, thereby improving the production efficiency. And it can also reduce the labor cost and reduce the waste and loss in the production process. The screw rod and the nut connection is easy to maintain and check, which can timely find and solve potential problems. This connection method is convenient to replace damaged parts, prolonging the service life of mechanical equipment. The screw rod and the nut are usually manufactured according to international standards or industry standards, with good standardization and interchangeability. This means that screw rods and nuts produced by different manufacturers can be used together, reducing the cost of procurement and maintenance.

[0047] In an embodiment, the pole piece transfer device further comprises a rotating wheel 60, the side wall of the first receiving section 41 and / or the second receiving section 42 is provided with the rotating wheel 60, and the rotating axis of the rotating wheel 60 is perpendicular to the axis of the receiving member 40. When the pole piece reel is put into the receiving member 40 or taken out from the receiving member 40, the abutment between the rotating wheel 60 and the hollow inner wall of the pole piece reel can reduce the friction when the pole piece reel is connected with the receiving member 40, so that the user can more conveniently push the pole piece reel into the sealed cavity or take it out from the receiving member 40, thereby improving the efficiency of installation and removal of the pole piece reel for the transfer of the pole piece.

[0048] In an embodiment, the pole piece transfer device comprises a plurality of rotating wheels 60, which are arranged along the axial direction of the receiving member 40. In this way, the friction between the pole piece reel and the receiving member 40 can be further reduced, thereby improving the efficiency of installation and removal of the pole piece reel as much as possible.

[0049] In an embodiment, the partition plate 30 is provided with a through hole 33, and the first chamber 31 and the second chamber 32 are communicated through the through hole 33. In this way, the balance of the environment such as air pressure and temperature between the first chamber 31 and the second chamber 32 can be ensured, thereby facilitating the stability of the transfer of the pole piece reel in the first chamber 31 and the second chamber 32. In this application, the first chamber 31 can place the positive pole piece reel, and the second chamber 32 can place the negative pole piece reel. The specific placement is not limited herein, as long as it can meet the transfer requirements of the device.

[0050] In an embodiment, the through hole 33 has a plurality of through holes 33, which are arranged along the circumferential direction of the partition plate 30. The above structure is simple and easy to process, which not only improves the processing efficiency of the structure, but also reduces the processing difficulty of the structure, thereby facilitating the batch production of the partition plate 30.

[0051] In an embodiment, the pole piece transfer device further comprises a sealing member, the sealing member is arranged at the connection between the door body 20 and the box body 10, and is used to seal the gap between the door body 20 and the box body 10. In the present application, the sealing member is arranged in a circumferential ring along the door body 20, which can further improve the sealing performance between the door body 20 and the box body 10, so as to meet the safety requirement of the device in use and prevent foreign matters from entering the sealed cavity to damage the pole piece winding drum.

[0052] In an embodiment, the pole piece transfer device further comprises a limiting member 70, the limiting member 70 is arranged at one end of the first receiving section 41 away from the second receiving section 42 and / or one end of the second receiving section 42 away from the first receiving section 41, and is sleeved on the outer periphery of the first receiving section 41 and / or the second receiving section 42 to limit the axial displacement of the pole piece winding drum along the receiving member 40. In this way, the pole piece winding drum can be prevented from falling off during the transfer process, thereby improving the stability of the pole piece during the transfer.

[0053] In an embodiment, the outer diameter of the first receiving section 41 and / or the second receiving section 42 is L1, and 100mm≤L1≤150mm. In this way, the outer diameter of the first receiving section 41 and / or the second receiving section 42 is not too large or too small, so as to meet the use requirement of the device, wherein L1 can be set to 100mm, 130mm or 150mm, etc., and in the present application, L1 is 130mm.

[0054] In an embodiment, the extension length of the first receiving section 41 and / or the second receiving section 42 in the axial direction of the box body 10 is L2, and 650mm≤L2≤750mm. In this way, the extension length of the first receiving section 41 and / or the second receiving section 42 in the axial direction of the box body 10 is not too large or too small, so as to meet the use requirement of the device, wherein L2 can be set to 650mm, 700mm or 750mm, etc., and in the present application, L1 is 700mm.

[0055] In an embodiment, the pole piece transfer device further comprises an air inlet pipe 80, the air inlet pipe 80 is arranged on the box body 10 and / or the door body 20, and is in communication with the containing cavity 11 to exhaust or inflate the containing cavity 11. The air inlet pipe 80 can be used to vacuumize the sealed cavity, and also can be used to fill inert gas into the sealed cavity, so as to ensure the safety of the pole piece during the transfer.

[0056] In an embodiment, the pole piece transfer device further comprises a pressure gauge 90 arranged on the box body 10 and / or the door body 20 to monitor the pressure in the containing cavity 11. The pressure gauge 90 can directly read the pressure value in the sealed cavity to ensure that the sealed cavity operates within a safe working range, and by monitoring the pressure in real time, damage to the pole piece reel caused by excessively high or low pressure can be prevented, thus ensuring safety during transfer.

[0057] The technical scheme of the utility model, by setting the receiving piece 40 in the box body 10, the pole piece reel is received by the receiving piece 40, and the chamber in the box body 10 can be sealed by the door body 20, so that the pole pieces on the pole piece reel can be kept in a suitable transfer environment, such as temperature, humidity and cleanliness, during transfer, and the pole pieces are not affected by the external environment, thereby protecting the structure of the pole pieces and reducing the damage of the pole pieces during transfer. At the same time, the sealed cavity is divided into the first chamber 31 and the second chamber 32 by the partition plate 30, so that the first chamber 31 and the second chamber 32 can rotate different polarity pole pieces, thereby improving the stability of the pole pieces during transfer.

[0058] It is to be noted that the terms used herein are only intended to describe specific embodiments and are not intended to limit the exemplary embodiments according to the present application. As used herein, the singular form is intended to include the plural form, unless the context clearly indicates otherwise, and it should be understood that when the terms "comprise" and / or "include" are used in the specification, they refer to the presence of a feature, step, operation, device, component and / or combinations thereof.

[0059] Unless specifically stated otherwise, the relative arrangements of the components and steps illustrated in these embodiments and the numerical expressions and values set forth herein are not limiting. It should be understood that the dimensions of the various parts shown in the drawings are not necessarily to scale. Techniques, methods, and devices known to those of ordinary skill in the relevant art can not be discussed in detail, but rather can be assumed to be known by those of ordinary skill in the art. In all examples shown and discussed herein, any specific values should be interpreted as merely illustrative and not limiting. Other examples of the exemplary embodiments can have different values. It should be noted that like numbers and letters refer to like elements throughout the several views of the drawings, and that the use of or reference to certain terms in various places of the specification are not intended to exclude those terms from the scope of the application, but rather to clarify the description of the application.

[0060] In the description of the utility model, it is understood that the orientation words such as '' front, back, up, down, left, right '' '' horizontal, vertical, perpendicular, horizontal '' and '' top, bottom '' and the like indicated orientation or positional relationship is usually based on the orientation or positional relationship shown in the drawings, only for the convenience of describing the utility model and simplifying the description, in the absence of the opposite statement, these orientation words do not indicate and imply that the device or element must have a particular orientation or be constructed and operated in a particular orientation, therefore can not be understood as the limitation of the protection scope of the utility model;The orientation words '' inside, outside '' refer to the inside and outside relative to the contour of each component.

[0061] For the convenience of description, spatial relative terms such as '' above'', '' above'', '' upper surface'', '' upper '' and the like can be used here to describe the spatial position relationship of one device or feature with other devices or features as shown in the drawing. It should be understood that the spatial relative terms are intended to include different orientations in use or operation in addition to the orientation of the device described in the drawing. For example, if the device in the drawing is inverted, the device described as '' above '' or '' above '' other devices or structures will be positioned '' below '' or '' below '' other devices or structures. Thus, the exemplary term '' above '' can include both '' above '' and '' below '' orientations. The device can also be positioned in other different ways (rotated 90 degrees or in other orientations), and the spatial relative description used here is interpreted accordingly.

[0062] In addition, it should be noted that the use of '' first'', '' second '' and the like to limit parts is only for the convenience of distinguishing the corresponding parts, and the above words have no special meaning unless otherwise stated, therefore can not be understood as the limitation of the protection scope of the utility model.

[0063] The above only describes the preferred embodiments of the utility model, and is not used to limit the utility model, for those skilled in the art, the utility model can have various changes and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the utility model should be included in the protection scope of the utility model.

Claims

1. A pole piece transport device, characterized in that: The pole piece transfer device comprises: A box body having a receiving cavity; A door body is provided on the box body, and is used to open or seal the accommodating cavity; a partition, disposed in the accommodating cavity, the partition dividing the accommodating cavity into a first cavity and a second cavity along the axial direction of the box body; The receiving member is arranged in the accommodating cavity, and the receiving member includes a first receiving section and a second receiving section. The first receiving section is located in the first cavity, and the second receiving section is located in the second cavity. The receiving member is used to receive the electrode roll.

2. The electrode transfer device according to claim 1, characterized in that: The electrode transfer device further includes a fixing assembly, which is used to fix the box body and the door body when the door body is located in a position to seal the accommodating cavity.

3. The electrode transfer device according to claim 2, characterized in that: The fixing assembly includes: a fixing rod, one end of which is provided on one of the box body and the door body, and the other end of which is connected to the other of the box body and the door body; A fixing member is provided on the other of the box body and the door body, and the fixing member can be sleeved and connected with the fixing rod to fix the box body and the door body.

4. The electrode transfer device according to claim 3, characterized in that: One end of the fixing rod is arranged on the box body, and a protrusion is protruding from the edge of the door body, and a snap-in groove is provided on the protrusion. The other end of the fixing rod is connected with the snap-in groove, and the fixing piece is sleeved and connected with the other end of the fixing rod and abuts against the end face of the protrusion away from the box body to fix the box body and the door body.

5. The electrode transfer device according to claim 3, characterized in that: The fixing rod includes a screw rod, one end of which is rotatably connected to the box body, and the fixing member includes a nut.

6. The electrode transfer device according to any one of claims 1 to 5, characterized in that: The electrode transfer device further comprises a rotating wheel, which is provided on the side wall of the first receiving section and / or the second receiving section, and the rotation axis of the rotating wheel is perpendicular to the axis of the receiving member.

7. The electrode transfer device according to claim 6, characterized in that: The pole piece transfer device includes a plurality of rotating wheels, and the plurality of rotating wheels are arranged at intervals along the axial direction of the receiving member.

8. The electrode transfer device according to any one of claims 1 to 5, characterized in that: The partition is provided with a through hole, and the first chamber and the second chamber are communicated through the through hole.

9. The electrode transfer device according to claim 8, characterized in that: There are a plurality of through holes, and the plurality of through holes are arranged at intervals along the circumference of the partition plate.

10. The electrode transfer device according to any one of claims 1 to 5, characterized in that: The electrode transfer device further includes a seal, which is provided at the connection between the door body and the box body, and is used to seal the gap between the door body and the box body.

11. The electrode transfer device according to any one of claims 1 to 5, characterized in that: The electrode transfer device also includes a limiting member, and the limiting member is provided at one end of the first receiving section away from the second receiving section and / or one end of the second receiving section away from the first receiving section. The limiting member is sleeved on the outer periphery of the first receiving section and / or the second receiving section to limit the axial displacement of the electrode reel along the receiving member.

12. The electrode transfer device according to any one of claims 1 to 5, characterized in that: The outer diameter of the first connecting section and / or the second connecting section is L1, 100mm≤L1≤150mm.

13. The electrode transfer device according to any one of claims 1 to 5, characterized in that: An extension length of the first receiving section and / or the second receiving section in the axial direction of the box body is L2, 650mm≤L2≤750mm.

14. The electrode transfer device according to claim 1, characterized in that: The pole piece transport device further comprises an air inlet pipe, which is arranged on the box body and / or the door body, and is connected to the accommodating cavity to evacuate or inflate the accommodating cavity.

15. The electrode transfer device according to claim 1, characterized in that: The electrode transfer device further includes a pressure gauge, which is arranged on the box body and / or the door body to monitor the pressure in the accommodating cavity.

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