CN109895021B - Battery conducting bar disassembling method and device and disassembling drill bit - Google Patents
Battery conducting bar disassembling method and device and disassembling drill bit Download PDFInfo
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- CN109895021B CN109895021B CN201910139021.4A CN201910139021A CN109895021B CN 109895021 B CN109895021 B CN 109895021B CN 201910139021 A CN201910139021 A CN 201910139021A CN 109895021 B CN109895021 B CN 109895021B
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/84—Recycling of batteries or fuel cells
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Abstract
The invention relates to a battery conducting bar disassembling method, a battery conducting bar disassembling device and a battery conducting bar disassembling drill bit. Battery conducting bar detaching device, including rotary power mechanism and drill bit, the drill bit includes the drill bit main part, and the drill bit main part is provided with central location arch, is provided with the cutting edge on the terminal surface of drill bit main part, and the projection of cutting edge in crossing drill bit main part axis plane is perpendicular to the axis of drill bit main part. The surface drilled by the cutting edge of the battery conducting bar disassembling device is a plane, so that the integrity of a pole can be ensured under the condition that the conducting bar is drilled; through the cooperation of the central positioning protrusion and the positioning hole on the conductive bar, the rotation axis of the drill bit is coaxial with the positioning hole on the conductive bar, the part of the conductive bar, which is positioned at the top of the battery post, can be accurately drilled in the working process of the battery conductive bar disassembling device, the rest part of the conductive bar can be directly separated from the battery post due to the fact that the rest part of the conductive bar is not connected with the battery post, and the disassembly with high efficiency and low labor intensity of the conductive bar is realized.
Description
Technical Field
The invention relates to a battery conducting bar disassembling method, a battery conducting bar disassembling device and a battery conducting bar disassembling drill bit.
Background
With the gradual increase of environmental pollution, the environmental protection problem is more and more concerned by more countries, and new energy automobiles are also continuously researched and popularized in more countries. As an important component in the new energy automobile industry chain, the development of power batteries has become a considerable problem in the search of recycling and reusing modes while improving performance.
Common power battery structure among the prior art is as shown in fig. 1-3, power battery 1 is a plurality of series connection or parallelly connected together in order to satisfy the operation requirement usually when using, and power battery 1 includes battery utmost point post 3, and the welding cooperation through busbar 2 and battery utmost point post 3 is generally established ties or parallelly connected together power battery 1, is provided with central locating hole 31 on the top surface of battery utmost point post 3, is equipped with locating hole 21 on the busbar 2, and locating hole 21 is the through-hole. The conducting strip 2 is fixed at the top of the battery post 3 through laser welding, the center positioning hole 31 corresponds to the positioning hole 21 and is positioned through the positioning shaft before welding, so that the correct position of the conducting strip 2 is ensured, and after welding is completed, one positioning hole 21 is left at the top of the conducting strip 2.
Before the power battery is recovered, the conducting bar needs to be detached first, and then the power battery is recovered. The prior art method for removing the conductive strip is as follows: protect the battery surface earlier, then break off the conducting strip, use the pliers again to remove the conducting strip by force, use the file to carry out fine processing to utmost point post surface at last. The method has low removal efficiency and high labor intensity due to high connection strength of the conductive strips and the pole columns.
Disclosure of Invention
The invention aims to provide a method for disassembling a battery conducting bar, which aims to solve the problems of low disassembling efficiency and high labor intensity of the existing disassembling mode; the invention also aims to provide a battery conducting bar disassembling device, which is used for solving the problems of low disassembling efficiency and high labor intensity of the existing disassembling mode; the invention also aims to provide a battery conducting bar disassembling drill bit, which solves the problems of low disassembling efficiency and high labor intensity of the existing disassembling mode.
In order to achieve the purpose, the technical scheme of the method for disassembling the battery conducting bar is as follows: the method for disassembling the battery conducting bar comprises the steps of drilling the part, located at the top of the battery pole, of the conducting bar by using a flat-head drill bit with the diameter larger than or equal to the diameter of the battery pole, before drilling starts, enabling the rotation axis of the flat-head drill bit to be coaxial with a positioning hole in the conducting bar, after drilling starts, drilling the part, located at the top of the battery pole, of the conducting bar by using the cutting edge at the end of the flat-head drill bit by the drilling amount which is equal to the thickness of the part of the conducting bar, and enabling the rest of the conducting bar to be separated from the battery pole.
The method for disassembling the battery conducting bar has the advantages that: the invention drills the part of the conductive bar, which is positioned at the top of the battery pole, so that the part of the conductive bar is decomposed into chips under the drilling action of the cutting edge and is separated from the battery pole. After the drilling is finished, the rest conducting bars can be directly separated from the battery pole columns due to the fact that the conducting bars are not connected with the battery pole columns. This kind of battery busbar disassembling method relies on the crew cut drill bit to disassemble the busbar, the surface that the drilling came out is the plane, through control drilling volume, can avoid the cutting edge to process utmost point post, can guarantee the completion of utmost point post, and utilized the locating hole that busbar itself has, conveniently fix a position the crew cut drill bit, the drilling processing effect has been guaranteed, for prior art rely on the manpower completely to disassemble the busbar, disassemble efficient, low in labor strength.
Furthermore, the flat-head drill comprises a drill main body, a center positioning bulge which is used for being in coaxial positioning fit with the positioning hole in the conductive bar is arranged in the center of the end face of the drill main body, and the center positioning bulge is provided with a limiting structure which is used for being in abutting fit with the bottom of the center positioning hole in the battery pole column so as to limit the drilling degree of the flat-head drill.
Its beneficial part lies in, through the cooperation of propping up of limit structure and central locating hole bottom, can prevent that the cutting edge from carrying out the drilling to battery utmost point post under the condition of predetermined drilling is accomplished to the busbar to the cutting edge to guarantee the integrality of battery utmost point post.
Furthermore, the central positioning bulge is conical, and the limiting structure is a conical tip which is used for abutting against and matching with the bottom of the central positioning hole on the battery pole.
The conductive bar locating device has the advantages that the center locating protrusion is conical, the conical center locating protrusion can be rapidly inserted into the locating hole in the conductive bar, locating operation is convenient, and in addition, the center locating protrusion can be prevented from being abraded and deformed due to friction with the center locating hole and the hole wall of the locating hole, and the service life is influenced.
Furthermore, after the rest parts of the conductive strips are separated from the battery pole, the surface of the pole is polished. The battery pole has the beneficial effects that the surface of the pole is smooth and flat, and the battery pole is beneficial to reuse.
The technical scheme of the drill for disassembling the battery conducting bar is as follows: the drill bit is disassembled to battery conducting bar includes the drill bit main part, and the terminal surface center of drill bit main part is provided with the center location arch that is used for with the coaxial location fit of locating hole on the conducting bar, is provided with the cutting edge that is used for the drilling to be in the conducting bar at battery utmost point post top in the bellied periphery of center location on the terminal surface of drill bit main part, the axis of cutting edge projection perpendicular to drill bit main part in crossing drill bit main part axis plane.
The drill for disassembling the battery conducting bar has the advantages that: the projection of the cutting edge in the axial plane of the main body of the over-drill bit is vertical to the axial line of the main body of the over-drill bit, which shows that the cutting edge is horizontally arranged, so that the drilled surface is a plane, the cutting edge can be prevented from being processed to a pole by controlling the drilling amount, and the completeness of the pole can be ensured; in addition, protruding through the locating hole cooperation on with the busbar of central location, the axis of rotation that makes the drill bit is coaxial with the locating hole on the busbar, the drilling position of guaranteeing the battery busbar to disassemble the drill bit corresponds with the part at battery utmost point post top of busbar, thereby guarantee that battery busbar detaching device can accurately drill the part at battery utmost point post top of busbar at the during operation, the remainder of busbar because of with the battery utmost point post between be connected can directly break away from battery utmost point post, thereby realize the high efficiency of busbar, low in labor strength's disassembling.
Furthermore, the central positioning bulge is provided with a limiting structure which is used for abutting against and matching with the hole bottom of the central positioning hole on the battery pole so as to limit the drilling degree of the drill bit.
Its beneficial part lies in, through the cooperation of propping up of limit structure and central locating hole bottom, can prevent that the cutting edge from carrying out the drilling to battery utmost point post under the condition of predetermined drilling is accomplished to the busbar to the cutting edge to guarantee the integrality of battery utmost point post.
Furthermore, the central positioning bulge is conical, and the limiting structure is a conical tip which is used for abutting against and matching with the bottom of the central positioning hole on the battery pole.
The conductive bar locating device has the advantages that the center locating protrusion is conical, the conical center locating protrusion can be rapidly inserted into the locating hole in the conductive bar, locating operation is convenient, and in addition, the center locating protrusion can be prevented from being abraded and deformed due to friction with the center locating hole and the hole wall of the locating hole, and the service life is influenced.
The technical scheme of the battery conducting bar disassembling device is as follows: the battery conducting bar disassembling device comprises a rotary power mechanism and a drill bit connected with the rotary power mechanism in a transmission mode, the drill bit comprises a drill bit main body, the center of the end face of the drill bit main body is provided with a center positioning protrusion which is used for being matched with a positioning hole in the conducting bar in a coaxial positioning mode, a cutting edge used for drilling the conducting bar at the top of a battery pole column is arranged on the periphery of the center positioning protrusion on the end face of the drill bit main body, and the projection of the cutting edge in the axial plane of the drill bit main body is perpendicular to the axis of the drill bit main body.
The battery conducting bar disassembling device has the beneficial effects that: the projection of the cutting edge in the axial plane of the main body of the over-drill bit is vertical to the axial line of the main body of the over-drill bit, which shows that the cutting edge is horizontally arranged, so that the drilled surface is a plane, the cutting edge can be prevented from being processed to a pole by controlling the drilling amount, and the completeness of the pole can be ensured; in addition, protruding through the locating hole cooperation on with the busbar of central location, the axis of rotation that makes the drill bit is coaxial with the locating hole on the busbar, the drilling position of guaranteeing the battery busbar to disassemble the drill bit corresponds with the part at battery utmost point post top of busbar, thereby guarantee that battery busbar detaching device can accurately drill the part at battery utmost point post top of busbar at the during operation, the remainder of busbar because of with the battery utmost point post between be connected can directly break away from battery utmost point post, thereby realize the high efficiency of busbar, low in labor strength's disassembling.
Furthermore, the central positioning bulge is provided with a limiting structure which is used for abutting against and matching with the hole bottom of the central positioning hole on the battery pole so as to limit the drilling degree of the drill bit.
Its beneficial part lies in, through the cooperation of propping up of limit structure and central locating hole bottom, can prevent that the cutting edge from carrying out the drilling to battery utmost point post under the condition of predetermined drilling is accomplished to the busbar to the cutting edge to guarantee the integrality of battery utmost point post.
Furthermore, the central positioning bulge is conical, and the limiting structure is a conical tip which is used for abutting against and matching with the bottom of the central positioning hole on the battery pole.
The conductive bar locating device has the advantages that the center locating protrusion is conical, the conical center locating protrusion can be rapidly inserted into the locating hole in the conductive bar, locating operation is convenient, and in addition, the center locating protrusion can be prevented from being abraded and deformed due to friction with the center locating hole and the hole wall of the locating hole, and the service life is influenced.
Drawings
FIG. 1 is a schematic diagram of a power cell in the prior art;
FIG. 2 is a schematic diagram of a conductive strip structure in the prior art;
FIG. 3 is a schematic diagram of a prior art structure for electrically connecting power cells via conductive bars;
FIG. 4 is a schematic partial structural view of a device for disassembling a battery bus bar according to an embodiment of the present invention;
FIG. 5 is a front view of a drill bit in an embodiment of the device for disassembling a battery conducting strip of the present invention;
FIG. 6 is a cross-sectional view taken along line A-A of FIG. 5;
in the figure: 1. the power battery, 2, the conducting bar, 21, the positioning hole, 3, the battery post, 31, the center positioning hole, 4, the drilling machine, 5, the drilling bit, 51, the drilling machine matching part, 52, the drilling bit main body, 53, the center positioning bulge, 54 and the cutting edge.
Detailed Description
The following further describes embodiments of the present invention with reference to the drawings.
According to the specific embodiment of the battery conducting bar disassembling device, the battery conducting bar disassembling device is formed by transforming a common electric drill, and is different from the electric drill in that a drill bit is used. As shown in fig. 4 to 6, the battery conducting bar disassembling device comprises a drilling machine 4 and a drilling head 5, the drilling head 5 comprises a drilling machine matching part 51, a drilling head main body 52 and a conical center positioning bulge 53 positioned in the center of the end surface of the drilling head main body, the drilling machine matching part 51 is inserted into the drilling machine 4 and is in transmission connection with a motor in the drilling machine 4, the end surface of the drilling head main body 52 is provided with a cutting edge 54 at the periphery of the center positioning bulge 53, and the projection of the cutting edge 54 in the axial plane of the drilling head main body 52 is perpendicular to the axis of the drilling head main body 52, namely the cutting edge 54 is horizontally arranged, or the drilling head 5 is a flat head drilling head.
Insert the protruding 53 of central location in the locating hole 21 on the conducting strip 2, through the cooperation between the protruding 53 of central location and the pore wall of locating hole 21, the drilling position of assurance cutting edge 54 corresponds with the part that is in the top of battery utmost point post 3 of conducting strip 2 to guarantee that battery conducting strip disassembling device can accurately drill away the conducting strip 2 and the top welded fastening's of battery utmost point post 3 part at the during operation, the conducting strip 2 and the top welded fastening's of battery utmost point post 3 part be the part that is in the top of battery utmost point post 3 of conducting strip 2 promptly. The rest of the conductive strip 2 can be directly separated from the battery post 3 because of no connection with the battery post 3, thereby realizing the high-efficiency and low-labor-intensity disassembly of the conductive strip 2.
The center positioning protrusion 53 gradually extends into the center positioning hole 31 on the end surface of the battery post 3 in the drilling process, the conical tip of the center positioning protrusion 53 abuts against the continuous axial movement of the drill bit 5 with the limitation of the hole bottom of the center positioning hole 31 after the drilling of the conductive bar 2 by the drill bit 5 is completed, the cutting edge 54 is prevented from drilling the battery post 3, and the integrity of the battery post 3 is ensured. Of course, in other embodiments, the conical tip of the conical protrusion may not be in abutting engagement with the bottom of the center positioning hole after the drill finishes drilling the conductive bar. Whether drilling of the busbar is completed or not needs to be judged through vision and experience by means of an operator, and the battery busbar disassembling device is separated when drilling is completed, so that the drill bit is prevented from drilling the battery pole.
In the drilling process, the wall surface of the conical center positioning protrusion 53 is not easy to contact with the hole walls of the positioning hole 21 and the center positioning hole 31 to generate friction, so that the cutting edge 54 is guaranteed to have enough moment when the conducting bar 2 is drilled, the influence on the shape and the service life of the center positioning protrusion 53 due to abrasion is prevented, the conical center positioning protrusion 53 can be quickly inserted into the positioning hole 21 on the conducting bar 2, and the positioning operation is convenient. In other embodiments, the center positioning protrusion may have other shapes, for example, a cylindrical protrusion, and after the predetermined cutting amount is completed, the end surface of the cylindrical protrusion abuts against and fits the bottom of the center positioning hole. However, the wall surface of the cylindrical protrusion is easy to contact with the hole walls of the positioning hole and the central positioning hole to generate friction, and the cylindrical protrusion is large in size, consumes more materials and increases the production cost.
Just can drill away the conducting bar 2 in order to guarantee a drilling and fall the top welded fastening's of battery utmost point post 3 part, the diameter of drill bit 5 is greater than the diameter of battery utmost point post 3, and after the drilling was accomplished, the remaining part of conducting bar 2 can directly break away from battery utmost point post 3 because of not being connected with battery utmost point post 3. Of course, in other embodiments, the diameter of the drill bit may be equal to the diameter of the battery post.
The specific operation process of the battery conducting bar disassembling device comprises the following steps:
the operation process is described by taking the case that the hole depth of the central positioning hole 31 on the battery post 3 is 2mm, and the thickness of the part of the conductive strip 2 welded and fixed with the top of the battery post 3 is 2mm as an example, and the conductive strip 2 is simultaneously connected with the two battery posts 3 respectively.
The height of the central positioning bulge 53 is 2mm, the diameter of the bottom surface is 2mm, and the diameter of the drill bit 5 is larger than that of the battery post 3. Before disassembling the conducting bar 2, insert the locating hole 21 of conducting bar 2 with the center locating protrusion 53 earlier, make cutting edge 54 and the laminating of conducting bar 2, start the battery conducting bar disassembling device, the motor action in the battery conducting bar disassembling device drives the drill bit 5 rotatory, cutting edge 54 drills conducting bar 2 under the drive of motor, drill part conducting bar 2 drilling for the piece and make it break away from battery utmost point post 3, drill bit 5 moves along the axial of drill bit 5 and the direction of continuing drilling conducting bar 2, until cutting edge 54 to the conducting bar 2 with the partial drilling of the top welded fastening of battery utmost point post 3 and the equal drilling volume of this part conducting bar 2 thickness, 2mm promptly. At this moment, the cutting edge 54 is attached to the end face of the battery post 3, the conical tip of the central positioning protrusion 53 with the height of 2mm is abutted against the bottom of the central positioning hole 31 with the hole depth of 2mm to limit the axial movement of the drill bit 5, and at this moment, it can be observed that no debris is generated at the cutting edge 54, the motor in the battery conducting bar disassembling device is turned off, and the drill bit 5 is moved out. The above steps are then repeated for the part of the conductor bar 2 that is in the top weld fixation of the other battery post 3 until the part of the conductor bar 2 that is in the top weld fixation of the battery post 3 is completely drilled into chips and breaks away from the battery post 3. At this time, the conductive strip 2 is completely separated from the battery post 3, and the disassembly of the conductive strip 2 is completed. And recovering the conducting strips 2 and polishing the surface of the battery post 3, so that the battery post 3 can be installed in a new power battery 1 for reuse.
In the embodiment of the drill for disassembling the battery conductive strip provided by the invention, the structure of the drill for disassembling the battery conductive strip is the same as that of the drill in the embodiment of the device for disassembling the battery conductive strip, and the details are not repeated here.
The specific embodiment of the method for disassembling the battery conducting bar comprises the steps of firstly selecting a drill bit 5 with the diameter larger than that of a battery pole 3, wherein the drill bit 5 is a flat-head drill bit with a cutting edge 54 horizontally arranged, inserting a central positioning bulge 53 into a positioning hole 21 of the conducting bar 2 before disassembling the conducting bar 2, enabling the cutting edge 54 to be attached to the conducting bar 2, starting a battery conducting bar disassembling device, enabling a motor in the battery conducting bar disassembling device to act to drive the drill bit 5 to rotate, enabling the cutting edge 54 to drill the conducting bar 2 under the driving of the motor, drilling part of the conducting bar 2 into chips and enabling the chips to be separated from the battery pole 3, and enabling the drill bit 5 to move along the axial direction of the drill bit 5 and the direction of continuously drilling the conducting bar 2 until the cutting edge 54 drills the part of the conducting bar 2 welded and fixed to the top of the battery pole 3, wherein the drilling amount is equal to the thickness of the part of the conducting bar 2, namely 2 mm. At this moment, the cutting edge 54 is attached to the end face of the battery post 3, the conical tip of the central positioning protrusion 53 with the height of 2mm is abutted against the bottom of the central positioning hole 31 with the hole depth of 2mm to limit the axial movement of the drill bit 5, and at this moment, it can be observed that no debris is generated at the cutting edge 54, the motor in the battery conducting bar disassembling device is turned off, and the drill bit 5 is moved out. The above steps are then repeated for the connection of the conductor bar 2 with the other battery post 3 until the connection of the conductor bar 2 with the battery post 3 is completely drilled into debris and exits the battery post 3. At this time, the conductive strip 2 is completely separated from the battery post 3, and the disassembly of the conductive strip 2 is completed. Retrieve conducting bar 2 and polish the surface of battery utmost point post 3, power battery 1 disassembles back battery utmost point post 3 and can adorn in new power battery 1 and reuse.
In this embodiment, just can drill away the conducting strip 2 and the top welded fastening's of battery utmost point post 3 part in order to guarantee a drilling, the diameter of drill bit 5 is greater than the diameter of battery utmost point post 3, and after the drilling was accomplished, the remainder of conducting strip 2 can directly break away from battery utmost point post 3 because of having no connection with battery utmost point post 3. Of course, in other embodiments, the diameter of the drill bit may be equal to the diameter of the battery post.
In this embodiment, in order to make the surface of the battery post 3 smooth and flat, it is advantageous to reuse the battery post 3. After the conductive strip 2 is separated from the battery post 3, the surface of the battery post 3 is polished. In other embodiments, the battery post surfaces may not be ground.
Claims (4)
1. A method for disassembling a battery conducting bar is characterized in that a flat-head drill bit with the diameter larger than or equal to that of a battery pole is adopted to drill the part of the conducting bar, which is positioned at the top of the battery pole, before drilling begins, firstly, the rotation axis of the flat-head drill bit is coaxial with a positioning hole on the conducting bar, after drilling begins, the cutting edge at the end of the flat-head drill bit is used for drilling the part of the conductive bar, which is positioned at the top of the battery pole, by the drilling amount which is equal to the thickness of the part of the conductive bar until the rest part of the conductive bar is separated from the battery pole, the flat-head drill bit comprises a drill bit main body, the center of the end surface of the drill bit main body is provided with a center positioning bulge which is used for being coaxially positioned and matched with the positioning hole on the conductive bar, the drilling position of the cutting edge is ensured to correspond to the part of the conductive bar, which is positioned at the top of the battery pole, through the matching between the central positioning bulge and the hole wall of the positioning hole; the center positioning protrusion is provided with a limiting structure which is used for abutting against and matching with the hole bottom of the center positioning hole in the battery pole column so as to limit the drilling degree of the flat-head drill bit, the center positioning protrusion is conical, the limiting structure is used for abutting against a matched conical tip with the hole bottom of the center positioning hole in the battery pole column, the conical tip of the center positioning protrusion abuts against and matches with the hole bottom of the center positioning hole so as to limit the continuous axial movement of the drill bit after the drill bit completes drilling of the conductive strips, a cutting edge used for drilling the conductive strips at the top of the battery pole column is arranged on the periphery of the center positioning protrusion on the end surface of the drill bit main body, and the projection of the cutting edge in the axial line plane of the drill bit main body is perpendicular to the axial line of the drill bit main body.
2. The method of claim 1, wherein the surface of the post is ground after the rest of the conductive strip is separated from the post of the battery.
3. The drill bit for disassembling the battery conducting bar is characterized in that the drill bit is a flat-head drill bit with the diameter larger than or equal to the diameter of a battery pole, and comprises a drill bit main body, wherein a center positioning bulge for coaxial positioning and matching with a positioning hole in the conducting bar is arranged in the center of the end surface of the drill bit main body, and the drilling position of a cutting edge is ensured to correspond to the part, positioned at the top of the battery pole, of the conducting bar through the matching between the center positioning bulge and the hole wall of the positioning hole; the protruding periphery in the center location is provided with the cutting edge that is used for the drilling to be in the busbar at battery utmost point post top on the terminal surface of drill bit main part, the axis of cutting edge projection perpendicular to drill bit main part in crossing drill bit main part axis plane, the center location arch has the hole bottom that is used for with the center location hole on the battery utmost point post to push up the limit structure of cooperation in order to restrict drill bit drilling degree, the center location arch is coniform, limit structure is for being used for with the hole bottom of center location hole on the battery utmost point post to push up complex awl point, the bellied awl point in center location is supported the cooperation with the hole bottom top of center location hole after the drill bit is accomplished the drilling of busbar and is in order to restrict the continuation axial displacement of drill bit.
4. The battery conducting bar disassembling device is characterized by comprising a rotary power mechanism and a drill bit in transmission connection with the rotary power mechanism, wherein the drill bit is a flat-head drill bit with the diameter larger than or equal to that of a battery pole, the drill bit comprises a drill bit main body, the center of the end surface of the drill bit main body is provided with a center positioning bulge which is coaxially positioned and matched with a positioning hole in a conducting bar, and the drilling position of a cutting edge is ensured to correspond to the part, positioned at the top of the battery pole, of the conducting bar through the matching between the center positioning bulge and the hole wall of the positioning hole; the protruding periphery in the center location is provided with the cutting edge that is used for the drilling to be in the busbar at battery utmost point post top on the terminal surface of drill bit main part, the axis of cutting edge projection perpendicular to drill bit main part in crossing drill bit main part axis plane, the center location arch has the hole bottom that is used for with the center location hole on the battery utmost point post to push up the limit structure of cooperation in order to restrict drill bit drilling degree, the center location arch is coniform, limit structure is for being used for with the hole bottom of center location hole on the battery utmost point post to push up complex awl point, the bellied awl point in center location is supported the cooperation with the hole bottom top of center location hole after the drill bit is accomplished the drilling of busbar and is in order to restrict the continuation axial displacement of drill bit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201910139021.4A CN109895021B (en) | 2019-02-25 | 2019-02-25 | Battery conducting bar disassembling method and device and disassembling drill bit |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910139021.4A CN109895021B (en) | 2019-02-25 | 2019-02-25 | Battery conducting bar disassembling method and device and disassembling drill bit |
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| CN109895021B true CN109895021B (en) | 2022-02-15 |
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| CN205790274U (en) * | 2016-07-12 | 2016-12-07 | 中国农业大学 | Electric automobile power battery monomer disassembling apparatus |
| CN106058356B (en) * | 2016-08-17 | 2018-07-17 | 合肥国轩高科动力能源有限公司 | A kind of waste and old lithium ion battery module disassembling apparatus |
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| CN203817451U (en) * | 2014-03-12 | 2014-09-10 | 卓仲表 | Guide electric drill rod easy to take back |
| CN205466620U (en) * | 2016-01-04 | 2016-08-17 | 上海绿幽环保设备有限公司 | Gimlet and mould thereof |
| CN207205362U (en) * | 2017-09-12 | 2018-04-10 | 合肥国轩高科动力能源有限公司 | A kind of waste and old power battery module connection sheet automatic disassembling device |
| CN208408644U (en) * | 2018-05-07 | 2019-01-22 | 常州思智行睿精密机械有限公司 | Cold drill bit in a kind of step |
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