CN115458813A - Automatic pier sealing mechanism of cylindrical battery - Google Patents

Automatic pier sealing mechanism of cylindrical battery Download PDF

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Publication number
CN115458813A
CN115458813A CN202210903885.0A CN202210903885A CN115458813A CN 115458813 A CN115458813 A CN 115458813A CN 202210903885 A CN202210903885 A CN 202210903885A CN 115458813 A CN115458813 A CN 115458813A
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CN
China
Prior art keywords
plate
cylinder
limiting
pressing
cylindrical battery
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Pending
Application number
CN202210903885.0A
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Chinese (zh)
Inventor
林巨广
洪旭民
汪周
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Anhui Juyi Technology Co Ltd
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Anhui Juyi Technology Co Ltd
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Filing date
Publication date
Application filed by Anhui Juyi Technology Co Ltd filed Critical Anhui Juyi Technology Co Ltd
Priority to CN202210903885.0A priority Critical patent/CN115458813A/en
Publication of CN115458813A publication Critical patent/CN115458813A/en
Pending legal-status Critical Current

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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/05Accumulators with non-aqueous electrolyte
    • H01M10/058Construction or manufacture
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/05Accumulators with non-aqueous electrolyte
    • H01M10/052Li-accumulators
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage using batteries

Abstract

The invention relates to the technical field of cylindrical battery pier sealing, and discloses an automatic pier sealing mechanism of a cylindrical battery, which comprises a pier sealing base, wherein the pier sealing base comprises a cylinder; the hollow sleeve is sleeved on the outer side of the column body, and a first conical surface is arranged on the inner wall above the hollow sleeve. According to the invention, the cylindrical battery is placed in the hollow sleeve, the cylinder supports the bottom of the cylindrical battery, the locking component is started to drive the hollow sleeve to ascend, the hollow sleeve is matched with the second conical surfaces of the arc plates through the first conical surface to enable the arc plates to be gathered together to lock the cylindrical battery, the cylindrical battery is limited at a position coaxial with the cylinder, and the pressure head component is started to seal the cylindrical battery in the arc plates. Can realize prescribing a limit to the accuracy of the position of cylinder battery, and then effectively improve the precision that the cylinder battery sealed, reduce the defective rate that the cylinder battery sealed, reduce manufacturing cost.

Description

Automatic pier sealing mechanism of cylindrical battery
Technical Field
The invention relates to the technical field of cylindrical battery pier sealing, in particular to an automatic pier sealing mechanism of a cylindrical battery.
Background
A lithium battery is a type of battery using a nonaqueous electrolyte solution, using lithium metal or a lithium alloy as a positive/negative electrode material. Because the chemical characteristics of lithium metal are very active, the requirements on the environment for processing, storing and using the lithium metal are very high. With the development of science and technology, at present, a cylindrical lithium battery becomes the mainstream of a new energy battery.
The packaging process of the lithium battery comprises four categories of square, blade, cylinder and soft package, the cylinder packaging is a hot tide which is sought in the market in recent years due to the unique advantages of the cylinder packaging, the cylinder battery sealing process can adopt modes of welding, mound sealing and the like, and the mound sealing is relatively high in cost performance due to the cost of welding equipment and welding defects. At present, a cylinder and a gas-liquid pressure cylinder which are commonly used for pier sealing are used as power, four guide rods are used for guiding, and an integral sliding table drives a pressure head to press downwards; the clamp generally adopts a mode of semicircular profiling and pneumatic clamping. But this kind of mode can't the position of accurate definite cylinder battery, causes the battery to run the position when the atress easily, and then leads to the cylinder battery to seal badly, has improved manufacturing cost.
Disclosure of Invention
The invention aims to solve the problem of high reject ratio during sealing of a cylindrical battery in the prior art, and provides an automatic sealing mechanism of the cylindrical battery, which has the effect of improving the accuracy and the qualification rate of sealing the cylindrical battery.
In order to achieve the above object, the present invention provides an automatic capping mechanism for a cylindrical battery, comprising:
mound seals the base, mound seals the base and includes:
a cylinder;
the hollow sleeve is sleeved on the outer side of the column body, and a first conical surface is arranged on the inner wall above the hollow sleeve;
the arc plates are arranged above the hollow sleeve and are coaxial, the bottoms of the arc plates extend to the inside of the hollow sleeve and are sleeved on the outer side of the top of the column body, and the outer side walls of the arc plates are provided with second conical surfaces matched with the first conical surfaces;
the locking assembly is used for driving the hollow sleeve to ascend so as to lock the cylindrical battery;
the pressure head assembly is arranged above the pier sealing base and used for being matched with the arc-shaped plates to seal the cylindrical batteries.
Optionally, the locking assembly comprises:
the column is arranged on the top of the bottom plate;
the hollow mounting seat is arranged at the top of the bottom plate and sleeved on the outer sides of the column and the plurality of arc-shaped plates;
the guide grooves are circumferentially formed in the top of the hollow mounting seat;
the blocking pieces are circumferentially arranged on the side wall of the hollow mounting seat;
the guide seats are respectively arranged inside the guide grooves, and one ends of the guide seats are fixedly connected with the outer side walls corresponding to the arc-shaped plates;
one end of each first spring is connected with the other end corresponding to the guide seat, and the other end of each first spring is connected with the corresponding separation blade.
Optionally, the locking assembly further comprises:
the driving plate is arranged inside the hollow mounting seat, an opening is formed in the driving plate, and the column is located inside the opening;
the first wedge surface is arranged at the top of the driving plate;
the second wedge surface is arranged at the bottom of the hollow sleeve, and the first wedge surface and the second wedge surface are attached and matched with each other;
and the locking cylinder is arranged outside the hollow mounting seat and is positioned at the high-position end of the first wedge surface, and the output end of the locking cylinder penetrates through the hollow mounting seat and is connected with the driving plate.
Optionally, the arcuate plate includes three.
Optionally, the automatic upsetting mechanism further comprises:
the first guide rail is arranged at the bottom of the bottom plate and is matched and slidably connected with the bottom plate;
the first sliding module is arranged on the side edge of the bottom plate, connected with the bottom plate and used for driving the bottom plate to move along the extending direction of the first guide rail.
Optionally, the ram assembly comprises:
a work table;
the pier sealing pressure heads are arranged below the workbench, positioned above the hollow mounting seat and distributed along the extension direction of the first guide rail;
the hollow columns are fixedly penetrated through the workbench;
the pressing columns are respectively arranged inside the hollow columns, and the bottoms of the pressing columns are connected with the pier sealing pressing heads correspondingly;
the resetting components are arranged at the top of the workbench, are connected with the tops of the corresponding pressing columns and are used for driving the corresponding pressing columns to reset;
and the driving component is arranged above the pressing column and used for driving the pressing column to push the corresponding pier sealing pressing head to move downwards.
Optionally, the reset assembly comprises:
the reset plate is fixedly sleeved on the side wall of the pressing column;
the guide hole is formed in the workbench;
one end of the guide rod is connected with the bottom of the reset plate, and the other end of the guide rod extends to the inner part of the guide hole;
the second spring is sleeved on the outer side of the guide rod, one end of the second spring is connected with the bottom of the reset plate, and the other end of the second spring is connected with the top of the workbench.
Optionally, the drive assembly comprises:
the supporting frame is arranged at the top of the workbench;
the second guide rail is arranged at the top of the support frame;
the sliding plate is connected with the second guide rail in a sliding manner;
the pressing rod is arranged above the pressing column;
the electric cylinder is arranged at the top of the sliding plate, and the output end of the electric cylinder penetrates through the sliding plate and is connected with the top of the pressing rod;
and the second sliding module is arranged on the side wall of the support frame, is connected with the sliding plate and is used for driving the sliding plate to move along the extending direction of the second guide rail.
Optionally, the drive assembly further comprises:
the pressing device comprises a plurality of pressing columns, a plurality of first limiting seats and a plurality of second limiting seats, wherein the pressing columns are arranged on the pressing columns;
the first limiting cylinder is arranged on the side wall of the sliding plate;
the first limiting plug is arranged at the output end of the first limiting cylinder and used for being matched with the first limiting hole to limit the position of the sliding plate.
Optionally, the automatic upsetting mechanism further comprises:
the second limiting seat is arranged on one side, away from the first sliding module, of the bottom plate, and a second limiting hole is formed in the second limiting seat;
the second limiting cylinders are arranged at the bottom of the workbench and distributed corresponding to the pier sealing pressing heads;
the second limiting plugs are respectively arranged at the output ends of the second limiting air cylinders and are used for being matched with the second limiting holes to limit the position of the bottom plate.
According to the technical scheme, the automatic pier sealing mechanism for the cylindrical battery provided by the invention has the advantages that the cylindrical battery is placed in the hollow sleeve, the bottom of the cylindrical battery is supported by the cylinder, the locking assembly is started to drive the hollow sleeve to ascend, the hollow sleeve is matched with the second conical surfaces of the arc plates through the first conical surface to enable the arc plates to be gathered together to lock the cylindrical battery, the cylindrical battery is limited at the position coaxial with the cylinder, and the pressure head assembly is started to seal the cylindrical battery in the arc plates. The mode that adopts the cooperation of the first conical surface of hollow sleeve and the second conical surface of a plurality of arcs to cylinder battery locking can realize prescribing a limit to the accuracy of the position of cylinder battery, and then has effectively improved the precision that the cylinder battery sealed, has reduced the defective rate that the cylinder battery sealed, has reduced manufacturing cost.
Drawings
Fig. 1 is a structural schematic view of an automatic upsetting mechanism of a cylindrical battery according to an embodiment of the present invention;
FIG. 2 is an enlarged schematic view of region A of FIG. 1;
fig. 3 is a schematic structural view of a pier sealing base in an automatic pier sealing mechanism for a cylindrical battery according to an embodiment of the present invention;
FIG. 4 is an enlarged schematic view of the area B in FIG. 3;
fig. 5 is a schematic structural view of a hollow sleeve in an automatic upsetting mechanism of a cylindrical battery according to an embodiment of the present invention;
fig. 6 is a schematic view showing the connection of a cylinder and an arc-shaped plate in an automatic capping mechanism for a cylindrical battery according to an embodiment of the present invention;
fig. 7 is a structural schematic view of an automatic upsetting mechanism of a cylindrical battery according to an embodiment of the present invention;
FIG. 8 is an enlarged schematic view of region C of FIG. 7;
FIG. 9 is an enlarged schematic view of region D of FIG. 7;
fig. 10 is a schematic view illustrating connection of a reset plate and a pressing post in an automatic upsetting mechanism for a cylindrical battery according to an embodiment of the present invention;
FIG. 11 is a cross-sectional view of an automatic capping mechanism for cylindrical batteries according to an embodiment of the present invention
FIG. 12 is an enlarged schematic view according to area E in FIG. 11;
FIG. 13 is an enlarged schematic view of region F of FIG. 11;
fig. 14 is an enlarged schematic view according to region G in fig. 11.
Description of the reference numerals
1. Electric cylinder 2, slide
3. Second sliding module 4 and workbench
5. First sliding module 6 and hollow mounting seat
7. First guide rail 8 and second limiting cylinder
9. Support frame 10, second guide rail
11. A first limit cylinder 12 and a pressing rod
13. Locking cylinder 14 and bottom plate
15. Arc plate 16 and first ring plate
17. Stop piece 18 and second limiting seat
19. Guide groove 20, first spring
21. Guide seat 22, hollow sleeve
23. Opening 24, drive plate
25. First wedge surface 26 and second wedge surface
27. Column 28, second limit plug
29. Second limiting hole 30 and first limiting seat
31. First limit hole 32 and first limit plug
33. Reset plate 34 and pressing column
35. Second spring 36, hollow post
37. Pier seal pressure head 38 and plunger hole
39. Guide rod 40, guide hole
41. Ring groove 42, cover groove
43. A first tapered surface 44 and a second tapered surface
Detailed Description
The following detailed description of embodiments of the invention refers to the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating embodiments of the invention, are given by way of illustration and explanation only, not limitation.
Fig. 1 is a schematic structural view of an automatic capping mechanism for a cylindrical battery according to an embodiment of the present invention, fig. 5 is a schematic structural view of a hollow sleeve in the automatic capping mechanism for a cylindrical battery according to an embodiment of the present invention, fig. 6 is a schematic connection view of a cylindrical body and an arc plate in the automatic capping mechanism for a cylindrical battery according to an embodiment of the present invention, fig. 11 is a sectional view of the automatic capping mechanism for a cylindrical battery according to an embodiment of the present invention, and fig. 12 is an enlarged schematic view according to an area E in fig. 11. In fig. 1, 5, 6, 11, and 12, the automatic upsetting mechanism may include an upsetting base and a ram assembly. Specifically, the pier seal base can include a column 27, a hollow sleeve 22, a plurality of arcuate plates 15, and a locking assembly. Specifically, the hollow sleeve 22 may include a first tapered surface 43 and the arcuate plate 15 may include a second tapered surface 44.
The hollow sleeve 22 is sleeved outside the column 27, and the upper inner wall of the hollow sleeve 22 is provided with a first conical surface 43. The plurality of arc-shaped plates 15 are arranged above the hollow sleeve 22, the plurality of arc-shaped plates 15 are coaxial, the bottoms of the plurality of arc-shaped plates 15 extend into the hollow sleeve 22 and are sleeved on the outer side of the top of the column 27, and the outer side walls of the plurality of arc-shaped plates 15 are provided with second conical surfaces 44 matched with the first conical surfaces 42. The locking assembly is used to drive the hollow sleeve 22 up to lock the cylindrical battery. The pressure head subassembly sets up in the top of mound seal base for seal in order to seal the cylinder battery with a plurality of arc 15 cooperations.
When the cylindrical battery needs to be sealed, the cylindrical battery to be sealed is placed inside the pier sealing base and is located at the top of the cylinder 27. The locking assembly is actuated to raise the hollow sleeve 22, and the second tapered surfaces 44 of the plurality of arcuate plates 15 engage the first tapered surfaces 43 of the inner wall of the hollow sleeve 22 as the bottom of the plurality of arcuate plates 15 extend into the interior of the hollow sleeve 22. Therefore, in the process of lifting the hollow sleeve 22, the plurality of arc-shaped plates 15 are driven to gather along the central axes of the plurality of arc-shaped plates 15 through the first conical surface 43, and then the deformation closing and the fixation of the side edge of the cylindrical battery are realized. And then driving the pressure head assembly to start so as to seal the cylindrical battery.
The traditional lithium battery packaging method usually adopts two semicircular profiling and pneumatic clamping modes. But this kind of mode can't guarantee for a long time seals the accurate of axle center position and prescribes a limit to the cylinder battery, needs two sets of cylinders height degree synchronous, and the cylinder battery moves the position easily when the battery atress, and then causes sealing of cylinder battery bad for manufacturing cost increases. In the embodiment of the invention, the first tapered surface 43 of the hollow sleeve 22 and the second tapered surfaces 44 of the plurality of arc-shaped plates 15 are matched and gathered together in a centralized manner, so that the cylindrical battery can be stably and accurately limited at a position coaxial with the central axes of the plurality of arc-shaped plates 15, the pressure head assembly can accurately seal the cylindrical battery, the reject ratio of sealing the cylindrical battery is reduced, and the production cost is reduced. In addition, the bottom cover of a plurality of arcs 15 is established in the top outside of cylinder 27, and cylinder 27 has injectd the biggest binding off position of cylinder battery side, has improved the binding off precision of cylinder battery side, has further ensured the quality of sealing of cylinder battery.
In the embodiment of the invention, the central axes of the arc plates 15 are coaxial with the axis of the column 27, so that the cylindrical battery is stably limited at the axial position of the column 27, and the sealing precision and quality of the cylindrical battery are further improved.
In this embodiment of the present invention, as shown in fig. 1, 3 and 4, the locking assembly may include a base plate 14, a hollow mount 6, a plurality of guide grooves 19, a plurality of flaps 17, a plurality of guide seats 21, and a plurality of first springs 20.
The column 27 is arranged on the top of the bottom plate 14, and the hollow mounting seat 6 is arranged on the top of the bottom plate 14 and sleeved on the outer sides of the column 27 and the plurality of arc-shaped plates 15. A plurality of guide slots 19 are circumferentially formed in the top of the hollow mounting seat 6, and a plurality of blocking pieces 17 are circumferentially formed in the side wall of the hollow mounting seat 6. The guide seats 21 are respectively arranged inside the guide grooves 19, and one end of each guide seat 21 is connected with the outer side wall of the corresponding arc-shaped plate 15. One end of each of the first springs 20 is connected to the other end of the corresponding guide seat 21, and the other end of each of the first springs 20 is connected to the corresponding stopper 17.
When the cylindrical battery to be sealed needs to be sealed, the cylindrical battery to be sealed is placed in the middle of the three arc-shaped plates 15, the cylindrical battery to be sealed pushes the arc-shaped plates 15, the first spring 20 is arranged through the corresponding guide seat 21, the counterforce of the first spring 20 clamps and limits the cylindrical battery to be sealed, and the hollow sleeve 22 is matched with the limit of the arc-shaped plates 15, so that the cylindrical battery to be sealed is accurately limited in the axial direction of the cylinder 27. When the hollow sleeve 22 closes up the side of the cylindrical battery to be sealed, the first spring 20 can buffer the gathering of the plurality of arc-shaped plates 15, so that the stability and the precision of the movement of the plurality of arc-shaped plates 15 are guaranteed.
In this embodiment of the present invention, as shown in fig. 3, 5 and 6, the hollow mount 6 may include a hollow seat body and a circular ring. Specifically, the circular ring is arranged at the top of the hollow seat body and is connected with the hollow seat body through bolts, the guide groove 19 is formed in the top of the circular ring, and the blocking piece 17 is arranged on the outer side wall of the circular ring.
In this embodiment of the present invention, as shown in fig. 3, the guide seat 21 may include a T-shaped plate. Specifically, the vertical section of the T-shaped plate is located inside the guide groove 19, and the horizontal section of the T-shaped plate is located at the top of the circular ring.
In this embodiment of the invention, the hollow mount 6 may also include a first ring plate 16, as shown in fig. 3, 5 and 6. Specifically, the first ring plate 16 may include a plurality of movable slots.
First crown plate 16 sets up at the top of ring, and with ring bolted connection, the movable groove that the horizontal segment of cooperation T template removed is seted up to the bottom of first crown plate 16.
The first ring plate 16 can define the moving direction of the guide holder 21 and the arc plate 15 and protect the arc plate 21.
In this embodiment of the present invention, as shown in fig. 5, 6 and 12, the locking assembly may further include an actuating plate 24, a first inclined surface 25, a second wedge surface 26, and a locking cylinder 13. In particular, the drive plate 24 may include an opening 23.
The driving plate 24 is arranged inside the hollow mounting seat 6, an opening 23 is formed on the driving plate 24, and the column 27 is positioned inside the opening 23. The first wedge surface 25 is arranged at the top of the driving plate 24, the second wedge surface 26 is arranged at the bottom of the hollow sleeve 22, and the first wedge surface 25 and the second wedge surface 26 are attached and matched with each other. The locking cylinder 13 is arranged outside the hollow mounting seat 6 and located at the high-level end of the first wedge surface 25, and the output end of the locking cylinder 13 penetrates through the hollow mounting seat 6 and is connected with the driving plate 24.
When the hollow sleeve 22 needs to be driven to ascend, the locking cylinder 13 is driven to push the driving plate 24 to move along the lower end of the first wedge surface 25. During the movement of the driving plate 24, the contact surface of the second wedge surface 26 and the first wedge surface 25 gradually increases, and the hollow sleeve 22 is further gradually lifted. The hollow sleeve 22 drives the plurality of arc-shaped plates 15 to gradually gather together in the rising process, and then the purpose of tightening and fixing the side edge of the cylindrical battery is achieved. By adopting the way of matching the first wedge surface 25 and the second inclined surface 26, on one hand, the hollow sleeve 22 can be gradually and stably lifted, and on the other hand, the driving structure is simple, and the operation and the control are convenient.
In this embodiment of the present invention, as to the specific number of the arc-shaped plates 15, various forms such as two, three, etc. known to those skilled in the art are possible. In a preferred example of the present invention, however, the number of the arc plates 15 may include three in consideration of accuracy and stability of clamping of the arc plates 15 to the cylindrical battery. In addition, three arcs 15 have from the function of deciding the axle center, can further improve the precision that cylindrical battery sealed.
In this embodiment of the present invention, as shown in fig. 1 and 7, the automatic upsetting mechanism may further include a first guide rail 7 and a first slide module 5.
The first guide rail 7 is arranged at the bottom of the bottom plate 14 and is in fit sliding connection with the bottom plate 14. The first sliding module 5 is disposed at a side of the base plate 14, and is connected to the base plate 14 for driving the base plate 14 to move along the extending direction of the first guide rail 7.
When needs seal the cylinder battery, will treat the cylinder battery that seals and place in the inside of hollow mount pad 6, drive first sliding module 5 again and start, drive hollow mount pad 6 and remove under the pressure head subassembly and seal the cylinder battery through the pressure head subassembly. After the cylindrical battery is sealed, the first sliding module 5 is driven to start, and the hollow mounting seat 6 is driven to move out of the position right below the pressure head assembly, so that the subsequent sealing operation of the cylindrical battery to be sealed is facilitated.
In this embodiment of the present invention, the specific structure of the first sliding module 5 can be in various forms known to those skilled in the art, for example, including but not limited to a mode in which the air cylinder directly drives the bottom plate 14 to move, a mode in which the servo motor drives the ball screw to rotate so as to drive the bottom plate 14 to move, and the like.
In this embodiment of the invention, as shown in fig. 1, 2 and 10, the ram assembly may include a table 4, a plurality of upsetting rams 37, a plurality of hollow columns 36, a plurality of pressing columns 24, a plurality of resetting assemblies, and a driving assembly.
A plurality of heading rams 37 are arranged below the table 4 and above the hollow mount 6, distributed along the extension of the first guide 7. The plurality of hollow columns 36 are all fixedly penetrated in the workbench 4, the plurality of pressing columns 34 are respectively arranged in the plurality of hollow columns 26, and the bottoms of the pressing columns 34 are connected with the corresponding pier sealing pressing heads 37. And a plurality of resetting components are arranged at the top of the workbench 4, are connected with the top of the corresponding pressing part 34 and are used for driving the corresponding pressing part 34 to reset. The driving assembly is arranged above the pressing column 34 and is used for driving the pressing column 34 to push the corresponding pier sealing pressing head 37 to move downwards.
When the hollow mount 6 moves to just below the pier sealing ram 37, the drive assembly starts and pushes the corresponding pressing post 34 and pier sealing ram 37 downward to move and seal the cylindrical battery. After sealing, the reset component drives the pressing column 34 and the pier sealing pressing head 37 to reset to wait for the next sealing operation. Adopt a plurality of mounds to seal pressure head 37, can realize sealing gradually cylindrical battery to improve cylindrical battery and seal the quality. In addition, when the plurality of pier sealing pressing heads 37 are used for sealing for a plurality of times, the deformation closing of the side edge of the cylindrical battery is also performed step by step, and the sealing quality of the cylindrical battery is further improved.
In this embodiment of the invention, the specific number of the pier packing heads 37 can be in various forms known to those skilled in the art, such as two, three, etc. In a preferred embodiment of the invention, however, the specific number of the staking rams 37 may be as shown in fig. 7 in view of the effectiveness and reliability of the sealing of the cylindrical cells. Specifically, in fig. 7, the pier packing heads 37 may include three.
In this embodiment of the present invention, as shown in fig. 10, the hollow post 36 may include a hollow cylinder and a second ring plate.
The hollow cylinder body is movably penetrated through the workbench 4, and the second annular plate is arranged at the top of the workbench 4 and connected with the top of the hollow cylinder body. The second annular plate is connected with the workbench 4 through bolts, and is convenient to detach, replace and maintain.
In this embodiment of the present invention, as shown in fig. 11 and 13, the ram assembly may further include a groove, a ring groove 41, a cover groove 42, a plurality of plunger holes 38, and a plurality of plunger springs.
The bottom of the pressing column 34 is provided with a groove, and the top of the pier sealing pressing head 37 is positioned in the groove. And a cover groove 42 is formed at the bottom of the pier sealing pressure head 37 and is used for being matched with a cover of the cylindrical battery to seal the cylindrical battery. The annular groove 41 is formed in the side wall of the pier sealing pressing head 37, the plunger holes 38 are formed in the side wall of the pressing column 34 in a cylindrical mode, and one ends, opposite to the plunger holes 38, of the plunger holes are communicated with the annular groove 41. A plurality of plunger springs are respectively provided inside the plurality of plunger holes 38 and the ring groove 41 to fix the packing head 37. Adopt plunger hole 38 and plunger spring cooperation to seal the spacing fixed mode of pressure head 37 to the mound, can be convenient for seal the dismantlement and the change of pressure head 37 to the mound, and then satisfy sealing of the cylinder battery of different grade type, the commonality is wider.
In this embodiment of the present invention, as shown in fig. 10, 11 and 14, the reset assembly may include a reset plate 33, a guide hole 40, a guide rod 39, and a second spring 35.
Reset plate 33 is fixedly sleeved on the side wall of pressing column 34, guide hole 40 is arranged on workbench 4, one end of guide rod 39 is connected with the bottom of reset plate 33, and the other end of guide rod 39 extends to the inside of guide hole 40. The second spring 35 is sleeved on the outer side of the guide rod 39, one end of the second spring 35 is connected with the bottom of the reset plate 33, and the other end of the second spring 35 is connected with the top of the workbench 4.
When the driving assembly presses the pressing column 34 to move downwards, the reset plate 33 is driven to move synchronously, and the reset plate 33 drives the guide rod 39 to move along the guide hole 40 and compress the second spring 35. When the driving assembly is reset, the pressing column 34 is out of the limit, and the second spring 35 drives the reset plate 33 and the pressing column 34 to reset. Adopt guide bar 39 and guiding hole 40 complex mode, can inject the moving direction who presses post 34, guarantee presses post 34 can drive the mound that corresponds and seal pressure head 37 and seal the cylinder battery accurately. In addition, the guide rod 39 can limit the compression direction of the second spring 35 to ensure smooth compression of the second spring 35, so that the reset plate 33 can be driven to reset stably.
In the embodiment of the present invention, the structure of the reset plate 33 may be various forms known to those skilled in the art, such as a long plate, a circular plate, and the like. However, in a preferred example of the present invention, the reset plate 33 may be shaped as shown in fig. 10 in consideration of the reset effect of the reset plate 33. Specifically, in fig. 10, the reset plate 33 may include a cross shape. Specifically, the number of the guide rods 39, the guide holes 40, and the second springs 35 may include four groups, and the four groups of the guide rods 39, the guide holes 40, and the second springs 35 are respectively located at four ends of the cross shape, so that the stability of the return plate 33 in compressing the second springs 35 and returning is further improved.
In this embodiment of the present invention, as shown in fig. 1 and 7, the driving assembly may include a supporting frame 9, a second guide rail 10, a sliding plate 2, an electric cylinder 1, and a second sliding module 3.
The support frame 9 is arranged on the top of the workbench 4, and the second guide rail 10 is arranged on the top of the support frame 9. The slide plate 2 is slidably connected to the second guide rail 10, and the pressing rod 12 is disposed above the pressing column 34. The electric cylinder 1 is arranged on the top of the sliding plate 2, and the output end of the electric cylinder 1 penetrates through the sliding plate 2 and is connected with the top of the pressing rod 12. The second sliding module 3 is disposed on a side wall of the supporting frame 9, and is connected to the sliding plate 2 for driving the sliding plate 2 to move along an extending direction of the second guiding rail 10.
When the cylindrical battery in the hollow mounting seat 6 needs to be sealed, the pressing column 34 opposite to the hollow mounting seat 6 is determined, and then the second sliding module 3 is started to drive the sliding plate 2 and the electric cylinder 1 to slide along the second guide rail 10 until the sliding plate moves above the pressing column 34 opposite to the hollow mounting seat 6. Finally, the electric cylinder 1 is driven to start and the pressing rod 12 pushes the pressing column 34, so that the cylindrical battery can be sealed. In the same way, the cylindrical battery can be gradually sealed for a plurality of times so as to improve the sealing quality of the cylindrical battery.
In this embodiment of the invention, the number of the support frames 9 and the second guide rails 10 may be various forms known to those skilled in the art, such as one, two, etc. However, in this embodiment of the present invention, the number of the support frames 9 and the second guide rails 10 may be as shown in fig. 7 in consideration of stability and reliability of movement of the electric cylinder 1. Specifically, in fig. 7, the supporting frame 9 and the second guide rail 10 include two, the two supporting frames 9 are disposed in parallel, the two second guide rails 10 are respectively disposed on the tops of the two supporting frames 9, and the sliding plate 2 is slidably connected to the two second guide rails 10.
In this embodiment of the present invention, the bottom of the pressing rod 12 is hemispherical in view of the reliability of the pressing rod 12 pressing the top of the pressing post 34.
In this embodiment of the present invention, the electric cylinder 1 may further include a pressure sensor and a displacement sensor. Specifically, a pressure sensor and a displacement sensor are arranged inside the electric cylinder 1 and used for monitoring and controlling the moving distance of the output end of the electric cylinder 7 and the pressure of the pressing column 34, so that the quality and the precision of sealing the cylindrical battery are further improved.
In this embodiment of the present invention, the specific structure of the second sliding module 3 can be in various forms known to those skilled in the art, for example, including but not limited to a mode in which the air cylinder directly drives the sliding plate 2 to move, a mode in which the servo motor drives the ball screw to rotate so as to drive the sliding plate 2 to move, etc.
In this embodiment of the present invention, as shown in fig. 7 and 8, the driving assembly may further include a plurality of first stopper seats 30, a first stopper cylinder 11, and a first stopper plug 32. Specifically, the first stopper seat 30 may include a first stopper hole 31.
The first position-limiting base 30 is provided with a first position-limiting hole 31, and the plurality of first position-limiting bases 30 and the plurality of pressing rods 12 are distributed correspondingly. The first limit cylinder 11 is arranged on the side wall of the sliding plate 2, the first limit plug 32 is arranged at the output end of the first limit cylinder 11, and the first limit plug 32 is used for being matched with the first limit hole 31 to limit the position of the sliding plate 2.
When the electric cylinder 1 moves to the position right above the corresponding pressing column 34, the first stopper pins 32 move to the position right above the corresponding first stopper seats 30. The first limiting cylinder 11 is started and pushes the first limiting plug 32 to move downwards until the first limiting plug enters the corresponding first limiting hole 31, so that the position of the electric cylinder 1 is accurately limited, and meanwhile, the stability of the electric cylinder 1 in the working process can be guaranteed.
In this embodiment of the present invention, the first stopper seat 30 may include three, considering that the position where the electric cylinder 1 needs to be operated corresponds to the pressing post 34.
In the embodiment of the present invention, as shown in fig. 8, the bottom of the first stopper 32 is provided with a curved surface. Specifically, when first spacing plug 32 moves to the inside of the first spacing hole 31 that corresponds, the cambered surface has certain guide effect to in the inside of the first spacing hole 31 that corresponds is completely got into to first spacing plug 32, can also finely tune the position of electric jar 1 simultaneously, in order to realize the accurate work of electric jar 1.
In the embodiment of the present invention, as shown in fig. 7 and 9, the automatic upsetting mechanism may further include a second stopper seat 18, a plurality of second stopper cylinders 8, and a plurality of second stopper plugs 28. Specifically, the second stopper seat 18 may include a second stopper hole 29.
The second position-limiting base 18 is disposed on a side of the bottom plate 14 away from the first sliding module 5, and a second position-limiting hole 29 is formed on the second position-limiting base 18. A plurality of second spacing cylinders 8 set up in the bottom of workstation 4, and correspond the distribution with a plurality of mound pressure heads 37. A plurality of second limiting plugs 28 are respectively arranged at the output ends of the plurality of second limiting cylinders 8, and the second limiting plugs 28 are used for being matched with the second limiting holes 29 to limit the position of the bottom plate 14.
When the cylindrical battery moves to the position right below the corresponding pier sealing pressure head 37, the corresponding second limiting air cylinder 8 is started and drives the corresponding second limiting plug 28 to enter the inside of the second limiting hole 29, so that the position of the cylindrical battery is limited, and the precision of sealing the cylindrical battery is further improved.
In this embodiment of the invention, the second restraining cylinder 8, the second restraining plug 28 may comprise three, considering that the hollow mount 6 needs to be operated at a position corresponding to the upsetting ram 37.
In this embodiment of the invention, as shown in fig. 9, the bottom of the second stopper pin 28 is provided with a curved surface. Specifically, when the second limiting plug 28 moves into the second limiting hole 29, the arc surface has a certain guiding function, so that the second limiting plug 28 completely enters the corresponding second limiting hole 29, and meanwhile, the position of the hollow mounting seat 6 can be finely adjusted, and accurate work of the hollow mounting seat 6 is realized.
Through the technical scheme, the automatic pier sealing mechanism for the cylindrical battery provided by the invention has the advantages that the cylindrical battery is placed in the hollow sleeve 22, the column 27 supports the bottom of the cylindrical battery, the locking assembly is started to drive the hollow sleeve 22 to ascend, the hollow sleeve 22 is matched with the second conical surfaces 44 of the arc plates 15 through the first conical surface 43 so that the arc plates 15 are gathered to lock the cylindrical battery, the cylindrical battery is limited at the position coaxial with the column 27, and the pressure head assembly is started to seal the cylindrical battery in the arc plates 15. The mode that the first conical surface 43 of the hollow sleeve 22 and the second conical surface 44 of the plurality of arc-shaped plates 15 are matched to lock the cylindrical battery can realize accurate limiting of the position of the cylindrical battery, so that the precision of sealing the cylindrical battery is effectively improved, the reject ratio of sealing the cylindrical battery is reduced, and the production cost is reduced.
The preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, however, the present invention is not limited to the specific details of the above embodiments, and various simple modifications may be made to the technical solution of the present invention within the technical idea of the present invention, and these simple modifications all fall within the protection scope of the present invention. It should be noted that the various features described in the foregoing embodiments may be combined in any suitable manner without contradiction, and various combinations that are possible in the present invention are not described in detail in order to avoid unnecessary repetition.
In addition, any combination of the various embodiments of the present invention can be made, and the same should be considered as the disclosure of the present invention as long as the idea of the present invention is not violated.

Claims (10)

1. The utility model provides an automatic mound of cylinder battery seals mechanism which characterized in that includes:
mound seals the base, mound seals the base and includes:
a cylinder (27);
the hollow sleeve (22) is sleeved on the outer side of the column body (27), and a first conical surface (43) is arranged on the upper inner wall of the hollow sleeve (22);
the arc plates (15) are arranged above the hollow sleeve (22), the arc plates (15) are coaxial, the bottoms of the arc plates (15) extend to the inside of the hollow sleeve (22) and are sleeved on the outer side of the top of the column body (27), and the outer side walls of the arc plates (15) are provided with second conical surfaces (44) matched with the first conical surfaces (43);
the locking assembly is used for driving the hollow sleeve (22) to ascend so as to lock the cylindrical battery;
the pressure head assembly is arranged above the pier sealing base and used for being matched with the arc-shaped plates (15) to seal the cylindrical battery.
2. The automatic pier seal mechanism of claim 1, wherein the locking assembly comprises:
a floor (14), the column (27) being disposed on top of the floor (14);
the hollow mounting seat (6) is arranged at the top of the bottom plate (14) and sleeved on the outer sides of the cylinder (27) and the arc-shaped plates (15);
the guide grooves (19) are circumferentially formed in the top of the hollow mounting seat (6);
the blocking pieces (17) are circumferentially arranged on the side wall of the hollow mounting seat (6);
the guide seats (21) are respectively arranged inside the guide grooves (19), and one ends of the guide seats (21) are fixedly connected with the outer side wall corresponding to the arc-shaped plate (15);
one end of each first spring (20) is connected with the other end corresponding to the guide seat (21), and the other end of each first spring is connected with the corresponding blocking piece (17).
3. The automatic pier seal mechanism of claim 2, wherein the locking assembly further comprises:
the driving plate (24) is arranged inside the hollow mounting seat (6), an opening (23) is formed in the driving plate (24), and the cylinder (27) is located inside the opening (23);
a first wedge surface (25) disposed on top of the drive plate (24);
the second wedge surface (26) is arranged at the bottom of the hollow sleeve (22), and the first wedge surface (25) is attached to and matched with the second wedge surface (26);
the locking cylinder (13) is arranged outside the hollow mounting seat (6) and located at the high-level end of the first wedge surface (25), and the output end of the locking cylinder (13) penetrates through the hollow mounting seat (6) and is connected with the driving plate (24).
4. The automatic upsetting mechanism according to claim 1, wherein said arcuate plate (15) comprises three.
5. The automatic pier sealing mechanism of claim 2, further comprising:
the first guide rail (7) is arranged at the bottom of the bottom plate (14) and is matched and slidably connected with the bottom plate (14);
the first sliding module (5) is arranged on the side edge of the bottom plate (14), is connected with the bottom plate (14), and is used for driving the bottom plate (14) to move along the extending direction of the first guide rail (7).
6. The automatic pier sealing mechanism of claim 5, wherein the ram assembly comprises:
a work table (4);
the pier sealing pressing heads (37) are arranged below the workbench (4), are positioned above the hollow mounting seat (6), and are distributed along the extension direction of the first guide rail (7);
a plurality of hollow columns (36) which are fixedly penetrated through the workbench (4);
the pressing columns (34) are respectively arranged inside the hollow columns (36), and the bottoms of the pressing columns (34) are connected with the pier sealing pressing heads (37);
the plurality of reset components are arranged at the top of the workbench (4), are connected with the tops of the pressing columns (34) correspondingly, and are used for driving the pressing columns (34) to reset;
and the driving assembly is arranged above the pressing column (34) and used for driving the pressing column (34) to push the pier sealing pressing head (37) to move downwards.
7. The automatic pier seal mechanism of claim 6, wherein the reset assembly comprises:
the reset plate (33) is fixedly sleeved on the side wall of the pressing column (34);
the guide hole (40) is formed in the workbench (4);
a guide rod (39) having one end connected to the bottom of the reset plate (33) and the other end extending into the guide hole (40);
the second spring (35) is sleeved on the outer side of the guide rod (39), one end of the second spring (35) is connected with the bottom of the reset plate (33), and the other end of the second spring (35) is connected with the top of the workbench (4).
8. The automatic pier sealing mechanism of claim 6, wherein the drive assembly comprises:
the supporting frame (9) is arranged at the top of the workbench (4);
the second guide rail (10) is arranged at the top of the supporting frame (9);
the sliding plate (2) is connected with the second guide rail (10) in a sliding manner;
a pressing rod (12) disposed above the pressing column (34);
the electric cylinder (1) is arranged at the top of the sliding plate (2), and the output end of the electric cylinder (1) penetrates through the sliding plate (2) and is connected with the top of the pressing column (34);
and the second sliding module (3) is arranged on the side wall of the support frame (9), is connected with the sliding plate (2), and is used for driving the sliding plate (2) to move along the extending direction of the second guide rail (10).
9. The automatic pier sealing mechanism of claim 8, wherein the drive assembly further comprises:
the pressing device comprises a plurality of first limiting seats (30), wherein first limiting holes (31) are formed in the first limiting seats (30), and the plurality of first limiting seats (30) and the plurality of pressing rods (12) are distributed correspondingly;
the first limiting cylinder (11) is arranged on the side wall of the sliding plate (2);
the first limiting plug (32) is arranged at the output end of the first limiting cylinder (11), and the first limiting plug (32) is used for being matched with the first limiting hole (31) to limit the position of the sliding plate (2).
10. The automatic pier sealing mechanism of claim 6, further comprising:
the second limiting seat (18) is arranged on one side, away from the first sliding module (5), of the bottom plate (14), and a second limiting hole (29) is formed in the second limiting seat (18);
the second limiting cylinders (8) are arranged at the bottom of the workbench (4) and distributed corresponding to the pier sealing pressure heads (37);
the second limiting plugs (28) are respectively arranged at the output ends of the second limiting cylinders (8), and the second limiting plugs (28) are used for being matched with the second limiting holes (29) to limit the position of the bottom plate (14).
CN202210903885.0A 2022-07-28 2022-07-28 Automatic pier sealing mechanism of cylindrical battery Pending CN115458813A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210903885.0A CN115458813A (en) 2022-07-28 2022-07-28 Automatic pier sealing mechanism of cylindrical battery

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210903885.0A CN115458813A (en) 2022-07-28 2022-07-28 Automatic pier sealing mechanism of cylindrical battery

Publications (1)

Publication Number Publication Date
CN115458813A true CN115458813A (en) 2022-12-09

Family

ID=84296111

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202210903885.0A Pending CN115458813A (en) 2022-07-28 2022-07-28 Automatic pier sealing mechanism of cylindrical battery

Country Status (1)

Country Link
CN (1) CN115458813A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117613409A (en) * 2024-01-24 2024-02-27 惠州市成泰自动化科技有限公司 Cylindrical battery seal processing device and processing method

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117613409A (en) * 2024-01-24 2024-02-27 惠州市成泰自动化科技有限公司 Cylindrical battery seal processing device and processing method

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