CN115446176A - Pressing rotating mechanism and slot rolling device - Google Patents

Abstract

The invention provides a downward pressing rotating mechanism and a rolling groove device, and relates to the technical field of battery processing. Through the setting of electric core pressure head, when pushing down the withdrawal, the elastic component supports and holds electric core pressure head, makes shell and shell pressure head separation, avoids the shell pressure head to take place the adhesion with the shell when the withdrawal.

Description

Pressing rotating mechanism and slot rolling device

Technical Field

The invention relates to the technical field of battery processing, in particular to a downward pressing rotating mechanism and a rolling groove device.

Background

In the existing battery production process, a cylindrical battery core is welded from a shell to a negative current collecting plate, and the outer surface of a battery shell is generally required to be subjected to slot rolling. At present, most of the slot rolling devices for cylindrical battery cases are designed to roll a battery by placing the battery in a rotatable carrier, pressing the case with a pressing mechanism, and then contacting the hob with the case.

In traditional technology, the shell compresses tightly through integrative pressure head with electric core, and in process of production, the high condition that more or less can all have the inconsistency of electric core, and under this condition, the pressure head of integration may only push down electric core and push down, causes the damage of electric core, or the pressure head of integration may only push down the shell and push down, and electric core is not hard up easily at rotatory in-process, leads to the connection piece and the casing of electric core or electric core bottom to be disconnected. And when the pressure head retracts after being processed, due to the influence of the rolling groove process, the situation of adhesion with the shell can exist, the battery is taken away by the pressing mechanism, the problems of uncertain battery position, falling, collision and the like are caused, and the processing efficiency and yield are influenced.

Disclosure of Invention

In order to overcome the defects in the prior art, the application provides a downward pressing rotating mechanism and a rolling groove device.

The application provides a pair of rotary mechanism pushes down for compress tightly and drive its rotation the shell of being equipped with electric core, include rotary driving piece, hold carrier and push down the subassembly, hold carrier and be used for bearing the shell, rotary driving piece is used for the drive hold carrier is rotatory in order to drive the shell rotates, push down the subassembly including pushing down driving piece, shell pressure head, electric core pressure head and elastic component, the shell pressure head is relative hold carrier setting, electric core pressure head slides and wears to locate in the shell pressure head, the elastic component is located in the shell pressure head, and both ends support respectively and hold the shell pressure head with electric core pressure head, it is used for the drive to push down the driving piece the shell pressure head removes, with hold carrier cooperation, will the shell compresses tightly.

In a possible embodiment, the pressing assembly further includes a telescopic shaft and a first connecting rod, the telescopic shaft is connected with the driving end of the pressing driving piece, the first connecting rod is connected with the casing pressing head, and the telescopic shaft is connected with the first connecting rod through a bearing.

In a possible implementation manner, the pressing assembly further comprises a second connecting rod, an avoiding groove is formed in the shell pressing head, the battery cell pressing head is accommodated in the avoiding groove, the second connecting rod penetrates through the avoiding groove to be connected with the battery cell pressing head, and the elastic piece is sleeved on the second connecting rod.

In a possible embodiment, the second connecting rod is slidably connected to the housing ram by a bearing.

In a possible embodiment, the side of the housing pressure head facing the carrier is provided with an insertion section for insertion into the housing interior when the housing pressure head presses the housing.

In a possible embodiment, the downward-pressing rotation mechanism further includes a rotation shaft connected to the driving end of the rotation driving member, and the bearing member is disposed on the rotation shaft.

The application also provides a channeling device, which comprises a channeling mechanism and the downward pressing rotating mechanism.

In a possible embodiment, the channeling mechanism includes a feeding driving member, an eccentric cam and a hob assembly, the eccentric cam abuts against the hob assembly, and the feeding driving member is configured to drive the eccentric cam to rotate so as to drive the hob assembly to move toward the housing, so as to perform channeling on the housing.

In a possible embodiment, the roller mechanism further comprises an extension spring, one end of the extension spring is connected with the hob assembly, and the other end of the extension spring is connected with the eccentric cam.

In a possible implementation mode, the rolling groove mechanism further comprises an oil coating sponge and an oil box, the hob assembly comprises a hob which is rotatably arranged, the oil coating sponge abuts against the hob, and the oil box is used for injecting oil to the oil coating sponge.

Compared with the prior art, the beneficial effects of the application are that:

the application provides a push down rotary mechanism is through the electric core pressure head that sets up in the shell pressure head, electric core in shell and the shell compresses tightly with electric core pressure head through the shell pressure head respectively, can prevent the damage of electric core and breaking away from of electric core, and set up the elastic component between shell pressure head and electric core pressure head, when pushing down the withdrawal, the elastic component supports and holds electric core pressure head, make the shell can separate with the shell pressure head of withdrawal, avoided the shell pressure head to take place the adhesion with the shell when the withdrawal, the efficiency of processing and the yield of production have been improved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

FIG. 1 is a schematic structural diagram of a channeling device provided by an embodiment of the present application;

fig. 2 is a schematic view showing a structure of a pressing and rotating mechanism of the channeling device shown in fig. 1;

fig. 3 shows a cross-sectional view of the down-rotation mechanism shown in fig. 1;

FIG. 4 shows an enlarged schematic view of portion A of FIG. 3;

FIG. 5 shows a side view of the channeling device shown in FIG. 1;

FIG. 6 is a schematic diagram of the roll-groove mechanism of the roll-groove apparatus shown in FIG. 1;

fig. 7 shows a schematic view of another angle of the roll-groove mechanism shown in fig. 6.

Description of the main element symbols:

100-pressing the rotating mechanism; 10-a drive assembly; 11-a rotary drive; 12-a speed reducer; 20-a carrier assembly; 21-a frame; 211-shaft seat; 22-a carrier; 23-a rotating shaft; 30-a hold down assembly; 31-pressing down the driving member; 32-shell ram; 321-an embedding part; 322-avoidance slot; 33-cell pressure head; 34-an elastic member; 35-a telescopic shaft; 351-linker; 36-a first link; 37-a second link; 200-a housing; 201-electric core; 300-a raceway mechanism; 301-a roll groove frame; 302-a slide rail; 40-a feeding assembly; 41-feed drive; 42-an eccentric cam; 50-a hob assembly; 51-hob seat; 52-hob cutter; 53-extension spring; 54-hob briquetting; 60-an adjustment assembly; 61-an adjusting seat; 62-a first conditioning head; 63-a second conditioning head; 70-a lubricating component; 71-oiling the sponge; 72-oil box; 900-rolling groove device.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

In the present invention, unless otherwise explicitly stated or limited, the terms "mounted," "connected," "fixed," and the like are to be construed broadly, e.g., as being permanently connected, detachably connected, or integral; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or may be connected through the use of two elements or the interaction of two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

Example one

Referring to fig. 1, an embodiment of the present application provides a downward-pressing rotating mechanism 100 for use in a channeling device 900. The downward pressing and rotating mechanism 100 is used for compressing the housing 200 with the battery cell 201 and driving the housing to rotate, so as to facilitate the rolling of the housing 200. The downward-pressing rotating mechanism 100 can prevent the housing 200 from being separated after being pressed and rotated, and the processing efficiency and the production yield are improved.

The pressing and rotating mechanism 100 includes a driving assembly 10, a carrying assembly 20 and a pressing assembly 30. The driving assembly 10 is connected with the bearing assembly 20. The carrier assembly 20 is used for carrying the housing 200. The driving assembly 10 is used for driving the bearing assembly 20 to rotate so as to drive the housing 200 to rotate. The hold-down assembly 30 is disposed opposite the carrier assembly 20. The pressing assembly 30 is used to cooperate with the bearing assembly 20 to press the outer shell 200 onto the bearing assembly 20.

Referring to fig. 2 and 3, the driving assembly 10 includes a rotary driving member 11. The drive end of the rotary drive 11 is connected to the carrier assembly 20. The rotary driving member 11 is used for driving the bearing assembly 20 to rotate so as to drive the housing 200 to rotate.

In some embodiments, the rotary drive 11 is a servo motor, but is not limited thereto.

In some embodiments, the drive assembly 10 further includes a speed reducer 12. The driving end of the rotary driving piece 11 is connected with the speed reducer 12. The bearing assembly 20 is connected to the driving end of the speed reducer 12. The speed reducer 12 is used to reduce the rotation speed to increase the torque.

The carrier assembly 20 includes a frame 21 and a carrier 22. The bearing member 22 is rotatably disposed on the frame 21. The carrier 22 is used to carry the housing 200. The drive assembly 10 is used to drive the carriage 22 to rotate.

In some embodiments, the drive assembly 10 is attached to the frame 21.

In some embodiments, the carrier assembly 20 further includes a rotating shaft 23. The rotating shaft 23 is rotatably disposed on the frame 21, and one end of the rotating shaft 23 is connected to the driving end of the speed reducer 12. The carrier 22 is provided at the other end of the rotary shaft 23.

Referring to fig. 4, the pressing assembly 30 includes a pressing driving member 31, a casing pressing head 32, a cell pressing head 33, and an elastic member 34. The housing ram 32 is positioned relative to the carrier 22. The drive end of the push-down driver 31 is connected to the housing ram 32. The cell indenter 33 is slidably disposed through the housing indenter 32. The cell pressure head 33 is likewise arranged opposite the carrier part 22. The resilient member 34 is disposed within the housing ram 32. Two ends of the elastic element 34 respectively abut against the casing pressure head 32 and the cell pressure head 33.

The press-down driving member 31 is used for driving the shell press head 32 to move so as to be matched with the bearing member 22 to press the shell 200. The cell ram 33 can cooperate with the bearing piece 22 to compress the cell 201 in the casing 200 when the casing ram 32 cooperates with the bearing piece 22 to compress the casing 200.

When the pressing driving member 31 drives the casing ram 32 to move away from the bearing member 22, the elastic member 34 abuts against the cell ram 33 by means of elastic force, so that the cell ram 33 continues to press the cell 201, and the casing 200 accommodating the cell 201 continues to be pressed on the bearing member 22, thereby separating the casing ram 32 from the casing 200.

In some embodiments, the push-down driver 31 is a cylinder, but is not limited thereto.

In some embodiments, the side of the housing ram 32 facing the carrier 22 is provided with an inset 321. The embedding portion 321 is configured to be embedded into the inner side of the outer shell 200 and abut against the inner side wall of the outer shell 200 when the outer shell pressing head 32 presses the outer shell 200, so as to support the inside of the outer shell 200. The cell indenter 33 is slidably disposed through the insertion portion 321.

In some embodiments, the hold-down assembly 30 further includes a telescoping shaft 35 and a first link 36. The telescopic shaft 35 is connected with the driving end of the press driving piece 31. The telescopic shaft 35 is connected with the first connecting rod 36 through a bearing, and the first connecting rod 36 can rotate relative to the telescopic shaft 35. The housing ram 32 is connected to the end of the first link 36 remote from the telescoping shaft 35.

The downward-pressing driving member 31 drives the casing pressing head 32 to move downward through the telescopic shaft 35 and the first connecting rod 36, so that the casing pressing head 32 presses on the casing 200. When the driving assembly 10 drives the housing 200 to rotate, the housing ram 32 and the first connecting rod 36 rotate together with the housing 200 through the first connecting rod 36 rotatably connected to the telescopic shaft 35, so as to prevent the housing ram 32 and the housing 200 from rotating relatively to cause damage to the housing 200.

In some embodiments, the telescopic shaft 35 is provided with a joint 351. The joint 351 is provided on the side of the telescopic shaft 35 facing the push-down driver 31. The driving end of the push-down driving member 31 is movably inserted into the joint 351. The push-down driving member 31 is connected to the telescopic shaft 35 through the joint 351.

In some embodiments, the frame 21 is provided with a shaft seat 211. The rotating shaft 23 is rotatably disposed in the shaft seat 211 to rotate in the shaft seat 211 under the driving of the rotary driving member 11.

In some embodiments, the hold-down assembly 30 further includes a second link 37. An avoidance slot 322 is provided in the housing ram 32. The avoiding groove 322 is opened in the embedding portion 321, and the opening thereof faces the carrier 22. The cell indenter 33 is accommodated in the avoidance groove 322. Second connecting rod 37 follows penetrate in dodging the diapire of groove 322, and wear to establish dodge groove 322 with electric core pressure head 33 is connected. The elastic member 34 is sleeved on the second connecting rod 37.

In some embodiments, the second link 37 is slidably coupled to the housing ram 32 via a bearing to allow the cell ram 33 to rotate relative to the housing ram 32.

In some embodiments, the resilient member 34 is a compression spring.

The application provides a rotary mechanism 100 pushes down, through the electric core pressure head 33 that sets up in shell pressure head 32, electric core 201 in shell 200 and the shell 200 compresses tightly with electric core pressure head 33 through shell pressure head 32 respectively, can prevent breaking away from of electric core 201's damage and electric core 201 to set up elastic component 34 between shell pressure head 32 and electric core pressure head 33, when pushing down the withdrawal, elastic component 34 can support and hold electric core pressure head 33, make electric core pressure head 33 continues to compress tightly electric core 201 reaches shell 200 makes shell 200 can separate with the shell pressure head 32 of withdrawal, has avoided shell pressure head 32 to take place the adhesion with shell 200 when the withdrawal, prevents that shell 200 from being taken away from bearing piece 22, has improved the efficiency of processing and the yield of production.

Example two

Referring to fig. 1 to 7, the present embodiment further provides a rolling groove device 900 for rolling the housing 200 of the battery. The channeling device 900 can avoid the case 200 to be taken away after channeling, and the case 200 and the battery cell 201 in the case 200 are respectively compressed by the case pressure head 32 and the battery cell pressure head 33, so that the damage of the battery cell and the separation of the battery cell can be prevented, and the processing efficiency and the production yield are improved.

Referring to fig. 5, the channeling device 900 includes a pressing and rotating mechanism 100 and a channeling mechanism 300. The pressing and rotating mechanism 100 is the pressing and rotating mechanism 100 provided in the above embodiments. The downward pressing and rotating mechanism 100 is used for compressing the housing 200 with the battery cell 201 and driving the housing to rotate. The roll-groove mechanism 300 is used for abutting against the housing 200 to roll a groove on the housing 200. A circle of grooves are formed in the casing 200, and the grooves protrude towards the inside of the casing 200 to limit the battery cell 201 in the casing 200.

Referring to fig. 6 and 7, the roller mechanism 300 includes a feeding assembly 40 and a hob assembly 50. The hob assembly 50 is provided on the feeding assembly 40. The feeding assembly 40 is used for driving the hob assembly 50 to move, so that the hob assembly 50 abuts against the housing 200 pressed by the pressing and rotating mechanism 100. The hob assembly 50 is used for rolling the housing 200 when the housing 200 is rotated by the pressing and rotating mechanism 100.

The feeding assembly 40 includes a feeding driving member 41 and an eccentric cam 42. The eccentric cam 42 is provided on the driving end of the feed driver 41. The feeding driving member 41 is used for driving the eccentric cam 42 to rotate, so that the eccentric cam 42 abuts against the hob assembly 50, and the hob assembly 50 is driven to move towards the housing 200.

In some embodiments, the feed drive 41 is a servo motor with a speed reducer, but is not limited thereto.

The hob assembly 50 includes a hob base 51 and a hob 52. The roll-groove mechanism 300 further comprises a roll-groove frame 301. The hob 52 is rotatably provided on the hob holder 51. The hob seat 51 is slidably disposed on the slot frame 301. The eccentric cam 42 may abut against the hob base 51 when rotating, so that the hob base 51 slides on the hob holder 301, and the hob 52 abuts against the housing 200.

In some embodiments, the slot rolling frame 301 is further provided with a sliding rail 302. The hob seat 51 is slidably disposed on the slide rail 302.

In some embodiments, the roller assembly 50 further includes an extension spring 53. One end of the extension spring 53 is connected to the roller holder 51 of the hob assembly 50, and the other end is connected to the eccentric cam 42. The extension spring 53 is used to provide a back-pulling force to move the roller holder 51 away from the housing 200 when the eccentric cam 42 rotates away from the roller holder 51.

In some embodiments, the channelling mechanism 300 further comprises an adjustment assembly 60. The adjustment assembly 60 is connected between the feed assembly 40 and the hob assembly 50. The adjustment assembly 60 is used to adjust the position of the movement of the hob assembly 50 to accommodate different hob requirements.

Specifically, the adjusting assembly 60 includes an adjusting base 61, a first adjusting head 62 and a second adjusting head 63. The hob assembly 50 further comprises a hob press block 54. The hob 52 is rotatably disposed on the hob pressing block 54. The adjusting seat 61 is arranged on the hob seat 51. The first adjusting head 62 is adjustably connected to the adjusting seat 61. The second adjustment head 63 is adjustably connected to the first adjustment head 62. The hob pressing block 54 is connected to the second adjusting head 63. The first adjusting head 62 is used for adjusting the horizontal position of the second adjusting head 63. The second adjusting head 63 is used to adjust the vertical position of the hob pressing block 54.

Through the arrangement of the first adjusting head 62 and the second adjusting head 63, the horizontal stroke and the height of the hob 52 can be adjusted, so that different requirements can be met.

In some embodiments, the eccentric cam 42 drives the roller seat 51 to slide on the slide rail 302 by abutting against the adjusting seat 61. A bearing is arranged on one side of the adjusting seat 61 facing the eccentric cam 42.

In some embodiments, the roller slot mechanism 300 further includes a lubrication assembly 70. The lubrication assembly 70 is used to provide lubrication to the roller cutter 52 to reduce friction of the housing by the roller section during the rolling of the roller cutter 52, to reduce the generation of metal debris, and to prevent cracking of the housing 200.

The lubricating assembly 70 comprises an oil coating sponge 71 and an oil box 72. The oiling sponge 71 is disposed in the hob pressing block 54 and abuts against the hob 52. The oil box 72 is communicated with the oiling sponge 71. The oil box 72 is used for injecting oil to the oiling sponge 71.

The groove rolling mechanism 300 drives the eccentric cam 42 to rotate by the feeding driving member 41, and then the feeding of the hob 52 is controlled by the eccentric cam 42, so as to stabilize the stroke and feeding speed of the hob 52. The horizontal and vertical stroke of the feed of the hob 52 can also be adjusted by means of the first and/or second adjusting head 62, 63.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.

Claims (10)

1. The utility model provides a rotary mechanism pushes down for compress tightly and drive its rotation the shell that is equipped with electric core, its characterized in that, include the rotary driving piece, hold carrier and push down the subassembly, hold carrier and be used for bearing the shell, the rotary driving piece is used for the drive hold carrier rotation in order to drive the shell rotates, push down the subassembly including pushing down driving piece, shell pressure head, electric core pressure head and elastic component, the shell pressure head is relative hold carrier setting, electric core pressure head slides and wears to locate in the shell pressure head, the elastic component is located in the shell pressure head, and both ends support respectively and hold the shell pressure head with electric core pressure head, push down the driving piece and be used for the drive the shell pressure head removes, with hold carrier cooperation, will the shell compresses tightly.

2. The downward pressure rotary mechanism of claim 1, wherein the downward pressure assembly further comprises a telescoping shaft and a first link, the telescoping shaft is connected with the drive end of the downward pressure driving piece, the first link is connected with the housing ram, and the telescoping shaft and the first link are connected through a bearing.

3. The downward pressing and rotating mechanism according to claim 1, wherein the downward pressing assembly further comprises a second connecting rod, an avoiding groove is formed in the housing pressing head, the cell pressing head is accommodated in the avoiding groove, the second connecting rod penetrates through the avoiding groove and is connected with the cell pressing head, and the elastic member is sleeved on the second connecting rod.

4. The downward-pressing rotary mechanism of claim 3, wherein the second link is slidably coupled to the housing ram via a bearing.

5. The downward-pressing rotation mechanism according to claim 1, wherein a side of the housing pressure head facing the carrier is provided with an insertion portion for inserting inside the housing when the housing pressure head presses the housing.

6. The downward-pressing rotation mechanism of claim 1, further comprising a rotating shaft connected to the driving end of the rotary driving member, wherein the bearing member is disposed on the rotating shaft.

7. A channeling device, comprising a channeling mechanism and a hold-down rotation mechanism as claimed in any one of claims 1-6.

8. The channeling device as claimed in claim 7, wherein the channeling mechanism includes a feed driving member, an eccentric cam and a hob assembly, the eccentric cam abuts against the hob assembly, the feed driving member is configured to drive the eccentric cam to rotate so as to drive the hob assembly to move towards the housing for channeling the housing.

9. The channeling device of claim 8, wherein said channeling mechanism further comprises an extension spring coupled to said hob assembly at one end and to said eccentric cam at another end.

10. The channeling device of claim 8, wherein the channeling mechanism further comprises an oil coating sponge and an oil box, the hob assembly comprises a hob which is rotatably arranged, the oil coating sponge abuts against the hob, and the oil box is used for injecting oil to the oil coating sponge.

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