CN214477681U

CN214477681U - Closing-up and kneading device of cylindrical battery

Info

Publication number: CN214477681U
Application number: CN202120462183.4U
Authority: CN
Inventors: 吴俊华; 徐军伟; 丁坤; 王正伟
Original assignee: Phylion Battery Co Ltd
Current assignee: Phylion Battery Co Ltd
Priority date: 2021-03-03
Filing date: 2021-03-03
Publication date: 2021-10-22
Anticipated expiration: 2031-03-03

Abstract

The utility model discloses a closing-in flattening device of cylindrical battery, which comprises a base and a closing-in flattening component, wherein the base comprises a containing cavity and a mounting seat, the base uses the central shaft as a rotating shaft to do rotating motion, the closing-in flattening component passes through the mounting seat relative to the base is detachably and rotatably arranged in the containing cavity, the closing-in flattening component comprises a first tool bit, a second tool bit and a tool bar, the first tool bit is connected with the second tool bit, the other side of the second tool bit is connected with the tool bar, the peripheral dimension of the cutting edge of the second tool bit is linearly increased along the direction from the first tool bit to the tool bar, the first tool bit is used for flattening the white edge of the battery to form a flattening plane, the second tool bit is used for forming a closing-in surface on the edge side of the white edge of the battery to achieve better welding effect of a flow collecting disc, the effective welding area is increased.

Description

Closing-up and kneading device of cylindrical battery

Technical Field

The utility model relates to a battery technology field, concretely relates to binding off of cylinder battery rubs paper-back edition and puts.

Background

The cylindrical lithium battery mostly adopts the all-pole ear type positive and negative poles, namely when coating the positive pole thick liquids on the positive pole mass flow body (usually aluminium foil), one end edge reserves the regional (anodal white limit) of some no coating thick liquids, when coating the negative pole thick liquids on the negative pole mass flow body (usually copper foil), one end edge reserves the regional (negative pole white limit) of some no coating thick liquids, after coiling, rub the flat to the positive and negative pole white limit, again with the current-collecting tray welding.

The existing kneading square type belongs to vertical kneading and flattening, the anode and cathode white edges can be kneaded into a plane, the problem that the welding cannot be carried out when the current collecting plate is welded can be caused by the mode, namely the welded effective area is small, the false welding and the internal resistance of a battery roll core are large, and further the temperature rise is too high in the battery using process, the service life of the battery is influenced, and the potential safety hazard is caused.

SUMMERY OF THE UTILITY MODEL

For overcoming the above-mentioned shortcoming, the utility model aims to provide a binding off of cylinder battery rubs paper-back for rub flat back, the effective area increase of weldable, make current collector dish with rub planar welding effect better, thereby promote the ability of overflowing of battery.

In order to achieve the above purpose, the utility model discloses a technical scheme is: the utility model provides a device is rubbed flat to binding off of cylinder battery, includes that the base rubs flat subassembly with the binding off, the base is including holding chamber and mount pad, the base uses its center pin to be rotary motion as the rotation axis, the binding off is rubbed flat subassembly and is passed through the mount pad is for the base can be dismantled and rotatable setting is in hold the intracavity, the binding off is rubbed flat subassembly and is included first tool bit, second tool bit and cutter arbor, first tool bit with the second tool bit is connected, the opposite side of second tool bit with the cutter arbor is connected, the peripheral dimension of second tool bit cutting edge is followed first tool bit extremely the linear increase of cutter arbor direction, first tool bit is used for processing formation to rub the plane, the second tool bit is used for processing formation to close the mouth face.

Preferably, the base further comprises a connecting piece, the connecting piece is used for connecting a first power source, and the first power source drives the base to rotate.

Preferably, the closing-up and flattening assemblies are arranged in at least three numbers.

Preferably, the mounting seat comprises a support bearing, and the closing-in flattening assembly further comprises a mounting part, wherein the mounting part is matched with the support bearing to arrange the closing-in flattening assembly in the mounting seat.

Preferably, the cutter bar is arranged into a cylinder, the mounting piece is arranged into a cylinder, and the diameter of the bottom surface of the cutter bar is larger than that of the bottom surface of the mounting piece.

Preferably, the knife bar is integrally provided with the mounting member.

Preferably, the first cutter head is conical, the second cutter head is round, the second cutter head comprises a large-diameter end and a small-diameter end, the large-diameter end is connected with the cutter rod, and the small-diameter end is connected with the first cutter head.

Preferably, the first power source comprises a drive motor.

Preferably, the first power source comprises an ultrasonic mechanism for generating ultrasonic waves and converting the ultrasonic waves into mechanical energy to act on the base.

Preferably, the ultrasonic mechanism comprises an ultrasonic generator, an ultrasonic transducer and an ultrasonic radiation head.

Compared with the prior art, the beneficial effects of the utility model are that, set up first tool bit, realize rubbing the translation and do, processing formation rubs the plane, sets up the second tool bit, the peripheral dimension of second tool bit cutting edge is followed first tool bit extremely the linear increase of cutter arbor direction realizes closing up the action, when rubbing the flat, can close up the part at white limit edge, and processing forms the face of closing up, and when the welding, the effective area of weldable increases, and welding effect is better, closes up and rubs flat subassembly detachable and set up in the base, the change of being convenient for, and the practicality is strong.

Drawings

FIG. 1 is a schematic view of the overall structure of a preferred embodiment of the present invention;

fig. 2 is a top view of the overall structure of a preferred embodiment of the present invention;

FIG. 3 is another perspective view of the base according to a preferred embodiment of the present invention;

fig. 4 is a schematic structural view of a closing-up and flattening assembly according to a preferred embodiment of the present invention;

fig. 5 is a schematic structural diagram of a processing procedure according to a preferred embodiment of the present invention.

In the figure:

10. a base; 11. an accommodating chamber; 12. a mounting seat; 13. a support bearing; 14. a connecting member; 20. closing and flattening components; 21. a first cutter head; 22. a second cutter head; 221. a large diameter end; 222. a small diameter end; 23. a cutter bar; 24. a mounting member; 30. a battery roll core; 31. a positive white edge; 32. a negative white edge; 33. kneading a plane; 34. a closing surface.

Detailed Description

The following detailed description of the preferred embodiments of the present invention will be provided in conjunction with the accompanying drawings, so as to enable those skilled in the art to more easily understand the advantages and features of the present invention, and thereby define the scope of the invention more clearly and clearly.

As shown in fig. 1 to fig. 3, the closing and flattening device for cylindrical batteries in this embodiment includes a base 10 and a closing and flattening assembly 20, the base 10 includes a receiving cavity 11 and a mounting seat 12, the receiving cavity 11 is used for receiving the closing and flattening assembly 20, the mounting seat 12 is used for mounting the closing and flattening assembly 20 on the base 10, the base 10 further includes a connecting member 14, the connecting member 14 is used for connecting a first power source (not shown in the drawings), the first power source drives the base 10 to make a rotating motion with a central axis L thereof as a rotating axis, and the mounting seat 12 includes a support bearing 13, so that the closing and flattening assembly 20 is rotatably disposed on the mounting seat 12.

Preferably, the first power source includes a driving motor for driving the base 10 to rotate.

Preferably, the first power source comprises an ultrasonic mechanism, the ultrasonic mechanism comprises an ultrasonic generator, an ultrasonic transducer, an ultrasonic radiation head and the like, and the ultrasonic mechanism can generate ultrasonic waves and convert the ultrasonic waves into mechanical energy to act on the base 10 to realize ultrasonic flattening.

As shown in fig. 2 and fig. 4, the closing-up and flattening assembly 20 includes a first cutter head 21, a second cutter head 22, a cutter bar 23 and a mounting member 24, the first cutter head 21 is connected with the second cutter head 22, the side of the second cutter head 22 far away from the first cutter head 21 is connected with the cutter bar 23, the mounting member 24 is arranged on the side of the cutter bar 23 far away from the second cutter head 22, the mounting member 24 is in interference fit with the support bearing 13, and the peripheral dimension of the cutting edge of the second cutter head 22 increases linearly along the direction from the first cutter head 21 to the cutter bar 23.

In this embodiment, the first cutter head 21 is conical, the cutting edge of the first cutter head 21 is a side surface of a cone, the second cutter head 22 is circular truncated cone, the cutting edge of the second cutter head 22 is a side surface of a circular truncated cone, the second cutter head 22 includes a large diameter end 221 and a small diameter end 222, the second cutter head 22 is connected with the bottom surface of the cone of the first cutter head 21 through the small diameter end 222, and the second cutter head 22 is connected with the cutter bar 23 through the large diameter end 221.

Preferably, the cutter bar 23 is configured as a cylinder, the mounting member 24 is configured as a cylinder, and the diameter of the bottom surface of the cutter bar 23 is larger than that of the mounting member 24.

As shown in fig. 2, when the closing-up and flattening assembly 20 is installed, the installation part 24 is arranged in the supporting bearing 13, the cutter bar 23 plays a limiting and guiding role for the installation part 24, when the cutter bar 23 contacts the supporting bearing 13, the closing-up and flattening assembly 20 is installed completely, the closing-up and flattening assembly 20 can rotate by taking the cutter bar 23 as a rotating shaft, and therefore the closing-up and flattening assembly is convenient to detach and high in practicability.

Preferably, the knife bar 23 and the mounting 24 are provided integrally.

In order to improve the kneading efficiency, the closing-in kneading-flattening components 20 are provided in plurality, the closing-in kneading-flattening components 20 are distributed in a circular array with the central axis L of the base 10 as the array center, and the rotation directions of the closing-in kneading-flattening components 20 are the same when the closing-in kneading-flattening components are in the rotation motion.

In this embodiment, four closing-in and flattening units 20 are provided.

As shown in fig. 5, the working principle of the present invention is as follows:

the utility model is arranged right above the positive pole white edge 31 or the negative pole white edge 32 of the battery roll core 30, at this time, the central axis L of the base 10 is collinear with the central axis L ' of the battery roll core 30, the cutting edges of the first cutter head 21 and the second cutter head 22 contact the positive pole white edge 31 or the negative pole white edge 32, the first power source drives the base 10 to do rotary motion, through the transmission action of the supporting bearing 13, the closing-up flattening component 20 does rotary motion by taking the cutter bar 23 as a rotating axis, the flattening and closing-up actions (or the ultrasonic closing-up flattening is realized by matching with an ultrasonic mechanism), the first cutter head 21 performs the rubbing-up translation action to form a rubbing plane 33, the rubbing plane 33 is a circumference with the center of circle on the central axis L (or the central axis L ' of the battery roll core 30), the closing-up action of the second cutter head 21 forms a closing-up surface 34, the closing-up surface 34 is a circular truncated cone side with the center of the bottom surface of circle on the central axis L (or the central axis L ' of the battery roll core 30) of the base 10, the side of the most edge of the anode white edge 31 or the cathode white edge 32 is flattened and closed, so that the anode white edge 31 or the cathode white edge 32 is concentrated on the kneading plane 33, and the current collecting disc (not shown in the figure) is welded with the kneading plane 33 more fully, and the effect is better.

The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, so as not to limit the protection scope of the present invention, and all equivalent changes or modifications made according to the spirit of the present invention should be covered in the protection scope of the present invention.

Claims

1. The utility model provides a binding off of cylinder battery rubs paper-back edition and puts which characterized in that: rub flat subassembly including base and binding off, the base is including holding chamber and mount pad, the base uses its center pin to be rotary motion as the rotation axis, the binding off is rubbed flat subassembly and is passed through the mount pad is for the base can be dismantled and rotatable setting is in hold the intracavity, the binding off is rubbed flat subassembly and is included first tool bit, second tool bit and cutter arbor, first tool bit with the second tool bit is connected, the opposite side of second tool bit with the cutter arbor is connected, the peripheral dimension of second tool bit cutting edge is followed first tool bit extremely the linear increase of cutter arbor direction, first tool bit is used for processing formation to rub the plane, the second tool bit is used for processing formation to receive the mouth face.

2. A cylindrical battery necking and flattening apparatus according to claim 1, wherein: the base further comprises a connecting piece, the connecting piece is used for being connected with a first power source, and the first power source drives the base to rotate.

3. A cylindrical battery necking and flattening apparatus according to claim 1, wherein: the number of the closing-in flattening components is at least three.

4. A cylindrical battery necking and flattening apparatus according to claim 1, wherein: the mount pad includes support bearing, the subassembly is rubbed flatly to binding off still includes the installed part, the installed part with support bearing cooperation will the subassembly is rubbed flatly to binding off sets up in the mount pad.

5. A cylindrical battery close-up flattening device according to claim 4, characterized in that: the cutter arbor sets up to the cylinder, the installed part sets up to the cylinder, the bottom surface diameter of cutter arbor is greater than the bottom surface diameter of installed part.

6. A cylindrical battery close-up flattening device according to claim 5, characterized in that: the cutter arbor with the installed part is integrative to be set up.

7. A cylindrical battery necking and flattening apparatus according to claim 1, wherein: the first cutter head is conical, the second cutter head is round, the second cutter head comprises a large-diameter end and a small-diameter end, the large-diameter end is connected with the cutter rod, and the small-diameter end is connected with the first cutter head.

8. A cylindrical battery necking and flattening apparatus according to claim 2, wherein: the first power source includes a drive motor.

9. A necking and flattening apparatus for cylindrical batteries according to claim 2 or 8, characterized in that: the first power source comprises an ultrasonic mechanism, and the ultrasonic mechanism is used for generating ultrasonic waves and converting the ultrasonic waves into mechanical energy to act on the base.

10. A cylindrical battery necking and flattening apparatus according to claim 9, wherein: the ultrasonic mechanism comprises an ultrasonic generator, an ultrasonic transducer and an ultrasonic radiation head.