Ternary lithium cell rust removal device

Abstract

The utility model discloses a ternary lithium cell rust removal device which comprises a polishing pen body, a power line, a polishing wheel and an auxiliary supporting device. The auxiliary supporting device is arranged at the tail end of the bottom of the polishing pen body, battery core supporting sleeves of battery core inserting grooves of different sizes and specifications can be replaced on the support so as to adapt to polishing and rust removing work of battery cores of different sizes and specifications, applicability is higher, then rusty pole pieces of the battery cores are upwards inserted into the inner sides of the battery core inserting grooves, and the polishing pen is convenient to use. According to the polishing pen, the supporting seat is arranged on the polishing pen main body to support and fix a battery cell, then the polishing pen main body is held and started, then the rotating polishing wheel is used for polishing and derusting a pole piece at the top of the battery cell, and in the process, the connecting frame plays a supporting role between the polishing pen main body and the supporting seat and can provide stable tail support for the polishing pen main body; operation of the polishing pen body is more stable and not prone to shaking, and operation errors are effectively reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of rust removal of electric core, specifically is a kind of ternary lithium electric core rust removal device. BACKGROUND

[0002] Ternary lithium electric core refers to the electric core using nickel cobalt lithium manganate or nickel cobalt aluminum acid lithium as positive material, compared with traditional lithium cobaltate electric core, ternary lithium electric core has higher safety, and 18650 and 21700 mode cylindrical electric core are widely used in various fields.

[0003] Because the rust of electric core pole piece can increase resistance, influence the charge-discharge efficiency of electric core, the performance and safety of electric core are significantly influenced, therefore, rusted electric core needs to be treated, and in the prior art, polishing pen is usually used to polish and remove rust, and the polishing pen can be finely polished and treated locally, but since the polishing pen is held by one hand to polish, lacks external support assistance, and in actual application process, the proficiency of operator is still tested, otherwise, operation failure can lead to damage of electric core pole piece and cannot be used, and the auxiliary support function of polishing pen can be further improved to more effectively polish and remove rust of electric core. SUMMARY

[0004] The utility model aims at providing a kind of ternary lithium electric core rust removal device to solve the problems raised in the above background.

[0005] In order to achieve the above-mentioned purpose, the utility model takes the following technical scheme: a kind of ternary lithium electric core rust removal device, including polishing pen main body, power cord, polishing wheel and auxiliary support device, the top of polishing pen main body is connected with power cord, the bottom output shaft of polishing pen main body is installed with polishing wheel, the bottom end of polishing pen main body is provided with auxiliary support device, the auxiliary support device includes connecting sleeve, connecting frame, support, assembly slot, electric core support sleeve and electric core slot, the bottom end of polishing pen main body is rotatably installed with connecting sleeve, the surface side of connecting sleeve is rotatably connected with connecting frame, the bottom end of connecting frame is rotatably connected with the edge of support, the top center of support is provided with assembly slot, and the electric core support sleeve is movably embedded in the assembly slot, and the electric core slot is formed in the top center of electric core support sleeve.

[0006] Preferably, the rotation angle of the connecting sleeve and the polishing pen main body is unlimited.

[0007] Preferably, the rotation angle of the connecting frame and the connecting sleeve is unlimited, and the rotation angle range of the connecting frame and the support is not less than 150 degrees.

[0008] Preferably, the depth of the electric core slot is not less than 2.5 cm.

[0009] Preferably, the connecting frame is composed of a sliding sleeve, a sliding rod and a bolt, the sliding rod is slidably connected to the inner top of the sliding sleeve, the bolt is screwed into the threaded hole in the side of the sliding sleeve and tightly fixed with the sliding rod, the connecting sleeve is rotatably connected to the top of the sliding rod, and the support is rotatably connected to the bottom of the sliding sleeve.

[0010] Preferably, the telescopic stroke of the sliding rod in the inner side of the sliding sleeve is not less than 5 cm.

[0011] Compared with the prior art, the utility model has the beneficial effects that:

[0012] The utility model discloses a grinding pen body is provided with auxiliary support device, and the support can replace the electric core support sleeve of different size specifications electric core slot, and is suitable for the rust removal work of grinding of different size specifications electric core, and the applicability is stronger, then the rusted pole piece of electric core is inserted into the inner side of electric core slot upwards, realizes the support fixed of electric core, then holds the grinding pen body and starts it, then the top pole piece of electric core is polished and rusted through the rotating grinding wheel, in this process, the connecting frame plays the support between the grinding pen body and the support, and the connecting frame can provide a stable tail support for the grinding pen body, so that the operation of the grinding pen body is more stable and not easy to shake, and the operation failure is effectively reduced. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is the whole structure schematic diagram of the utility model;

[0014] Figure 2 It is the local structure schematic diagram of the grinding pen body in the utility model;

[0015] Figure 3 It is the connecting frame structure schematic diagram of the utility model;

[0016] Figure 4 It is the support structure schematic diagram of the utility model;

[0017] Figure 5 It is the structure schematic diagram of the utility model Figure 4 after the electric core support sleeve is taken out.

[0018] In the drawing: grinding pen body-1, power cord-2, grinding wheel-3, auxiliary support device-4, connecting sleeve-41, connecting frame-42, sliding sleeve-421, sliding rod-422, bolt-423, support-43, assembly groove-44, electric core support sleeve-45, electric core slot-46. DETAILED DESCRIPTION

[0019] In order to further explain the technical scheme of the utility model, the following will be described in detail through specific embodiments.

[0020] Please refer to Figure 1The utility model provides a kind of ternary lithium battery cell rust removal device, including polishing pen main body 1, power cord 2, polishing wheel 3 and auxiliary support device 4, polishing pen main body 1 top end is connected with power cord 2, polishing pen main body 1 bottom output shaft is equipped with polishing wheel 3, polishing pen main body 1 bottom end is equipped with auxiliary support device 4.

[0021] Please refer to Figure 2 、 Figure 4 and Figure 5 The utility model provides a kind of ternary lithium battery cell rust removal device, auxiliary support device 4 includes connecting sleeve 41, connecting frame 42, support 43, assembly slot 44, battery cell support sleeve 45 and battery cell slot 46, polishing pen main body 1 bottom end is rotatably installed with connecting sleeve 41, connecting sleeve 41 surface side is rotatably connected with connecting frame 42, the bottom of connecting frame 42 is rotatably connected with the edge of support 43, the top center of support 43 is equipped with assembly slot 44, and battery cell support sleeve 45 is movably embedded in assembly slot 44, the top center of battery cell support sleeve 45 is equipped with battery cell slot 46, and battery cell can be longitudinally inserted into the inboard of battery cell slot 46 and is fixed, so that battery cell keeps standing state, it is convenient to polish the pole piece of both ends of battery cell, in addition, support 43 can replace the battery cell support sleeve 45 of different size specifications battery cell slot 46, to adapt the polishing rust removal work of battery cell of different size specifications, stronger applicability.

[0022] Further explanation, the rotation angle of connecting sleeve 41 and polishing pen main body 1 is unlimited, and polishing pen main body 1 can be rotatably connected with connecting sleeve 41, so that the control of polishing pen main body 1 is not susceptible to angle limitation.

[0023] Further explanation, the rotation angle of connecting frame 42 and connecting sleeve 41 is unlimited, and the rotation angle range of connecting frame 42 and support 43 is not less than 150 degrees, so that polishing pen main body 1 is not susceptible to angle limitation in the operation process, to ensure control flexibility.

[0024] Further explanation, the depth of battery cell slot 46 is not less than 2.5cm, can provide enough length for battery cell, to ensure that battery cell is stably arranged.

[0025] Please refer to Figure 3 The utility model provides a kind of ternary lithium battery cell rust removal device, connecting frame 42 is composed of sliding sleeve 421, slide rod 422 and bolt piece 423, sliding sleeve 421 top inside is slidably connected with slide rod 422, sliding sleeve 421 side portion screw hole is screwed into bolt piece 423, bolt piece 423 is screwed into sliding sleeve 421 inside and slide rod 422 and is fixed, wherein connecting sleeve 41 is rotatably connected with the top of slide rod 422, and support 43 is rotatably connected with the bottom of sliding sleeve 421, can be telescopic adjusted according to the size specification of battery cell to connecting frame 42, more widely applicable.

[0026] Further illustrate, the telescopic stroke of the slide rod 422 inside the slide sleeve 421 is not less than 5cm, which ensures that the slide rod 422 has a large enough adjustment range, and better meets the user's use demand.

[0027] The working principle is as follows:

[0028] First, first connect the power cord 2 to the external power interface to meet the power supply demand of the polishing pen body 1.

[0029] Second, select the corresponding battery holder 45 according to the size and model of the battery to be processed, the support 43 can replace the battery holder 45 of different size specifications of the battery slot 46, so as to adapt to the polishing and rust removal work of different size specifications of the battery, and the adaptability is stronger, then the battery holder 45 is embedded and inserted into the assembly groove 44, and the rusty pole piece of the battery is inserted into the battery slot 46, so as to realize the support and fixation of the battery.

[0030] Third, the user holds the polishing pen body 1 and starts it, and then polishes and removes rust on the top pole piece of the battery through the rotating polishing wheel 3, in this process, the connecting frame 42 plays a supporting role between the polishing pen body 1 and the support 43, the connecting frame 42 can provide a stable tail support for the polishing pen body 1, so that the operation of the polishing pen body 1 is more stable and not easy to shake, and the operation error is effectively reduced.

[0031] Fourth, the connecting frame 42 adopts a telescopic structure, after loosening the bolt 423, the slide rod 422 can be telescoped and adjusted in the slide sleeve 421, and finally the bolt 423 is tightened to fix the position of the slide rod 422, that is, the connecting frame 42 can be adjusted to different lengths, and the connecting frame 42 can be telescoped and adjusted according to the size and specifications of the battery, so that the application range is wider.

[0032] The above is only a preferred example of the utility model, and is not used to limit the utility model, although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for part of the technical features. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the utility model shall be included in the protection scope of the utility model.

Claims

1. A rust removal device for ternary lithium battery cells, comprising a polishing pen body (1), a power cord (2), and a polishing wheel (3), wherein the power cord (2) is connected to the top of the polishing pen body (1), and the polishing wheel (3) is mounted on the bottom output shaft of the polishing pen body (1); characterized in that: It also includes an auxiliary support device (4). The bottom end of the polishing pen body (1) is provided with an auxiliary support device (4). The auxiliary support device (4) includes a connecting sleeve (41), a connecting frame (42), a support (43), an assembly groove (44), a battery cell support sleeve (45), and a battery cell slot (46). The bottom end of the polishing pen body (1) is fitted with a connecting sleeve (41) and rotatably installed. The connecting frame (42) is rotatably connected to the side of the surface of the connecting sleeve (41). The bottom end of the connecting frame (42) is rotatably connected to the edge of the support (43). The support (43) has an assembly groove (44) at the top center. The battery cell support sleeve (45) is movably embedded in the assembly groove (44). The battery cell slot (46) is opened at the top center of the battery cell support sleeve (45).

2. The rust removal device for ternary lithium battery cells according to claim 1, characterized in that: There is no limit to the rotation angle between the connecting sleeve (41) and the polishing pen body (1).

3. The rust removal device for ternary lithium battery cells according to claim 1, characterized in that: The rotation angle of the connecting frame (42) and the connecting sleeve (41) is unlimited, and the rotation angle range of the connecting frame (42) and the support (43) is not less than 150 degrees.

4. The rust removal device for ternary lithium battery cells according to claim 1, characterized in that: The depth of the cell slot (46) is not less than 2.5cm.

5. The rust removal device for ternary lithium battery cells according to claim 1, characterized in that: The connecting frame (42) is composed of a sliding sleeve (421), a sliding rod (422) and a bolt (423). The sliding rod (422) is slidably connected to the inner side of the top of the sliding sleeve (421). The bolt (423) is threaded into the screw hole on the side of the sliding sleeve (421). The bolt (423) is screwed into the inner side of the sliding sleeve (421) and abuts against the sliding rod (422) for fixation. The connecting sleeve (41) is rotatably connected to the top of the sliding rod (422), and the support (43) is rotatably connected to the bottom of the sliding sleeve (421).

6. The rust removal device for ternary lithium battery cells according to claim 5, characterized in that: The extension and retraction stroke of the slide rod (422) inside the slide sleeve (421) is not less than 5cm.

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