CN111916838A - Electricity core pre-compaction forming device - Google Patents
Electricity core pre-compaction forming device Download PDFInfo
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- CN111916838A CN111916838A CN202010869631.2A CN202010869631A CN111916838A CN 111916838 A CN111916838 A CN 111916838A CN 202010869631 A CN202010869631 A CN 202010869631A CN 111916838 A CN111916838 A CN 111916838A
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/058—Construction or manufacture
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/04—Construction or manufacture in general
- H01M10/0404—Machines for assembling batteries
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/04—Construction or manufacture in general
- H01M10/0404—Machines for assembling batteries
- H01M10/0409—Machines for assembling batteries for cells with wound electrodes
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/052—Li-accumulators
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/058—Construction or manufacture
- H01M10/0587—Construction or manufacture of accumulators having only wound construction elements, i.e. wound positive electrodes, wound negative electrodes and wound separators
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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- Chemical Kinetics & Catalysis (AREA)
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- General Chemical & Material Sciences (AREA)
- Press Drives And Press Lines (AREA)
Abstract
The invention discloses a battery cell prepressing and forming device, and relates to the technical field of lithium batteries. The battery cell pre-pressing forming device comprises a rack, a belt conveying mechanism and a pressure-bearing mechanism. The rack comprises a bottom plate, the pressure bearing mechanism comprises two base plates, the belt conveying mechanism is installed between the two base plates, the base plates are detachably connected with the bottom plate, ball plungers are arranged in the base plates and are abutted to the bottom plate, and the ball plungers can drive the base plates to move towards the direction far away from the bottom plate by utilizing self elasticity after the base plates are detached from the bottom plate, so that the belt conveying mechanism can be pulled out or pushed into the rack through the pressure bearing mechanism. Compared with the prior art, the battery cell pre-pressing forming device provided by the invention adopts the belt conveying mechanism arranged between the two base plates and the base plate provided with the ball plunger, so that the belt conveying mechanism can be quickly detached and installed, the belt can be conveniently replaced, the belt replacing efficiency is high, and the labor and time cost are saved.
Description
Technical Field
The invention relates to the technical field of lithium batteries, in particular to a battery cell pre-pressing forming device.
Background
At present, in the production process of a power lithium battery, prepressing and forming of a battery core are indispensable important steps, and the control of the size and stability of the prepressing force in the battery core forming process directly influences the quality of the battery core, so that the quality and the qualification rate of a battery product are influenced. At present, the mode that the electricity core pre-compaction shaping generally adopted the clamp plate to exert pressure is gone on, and after the pre-compaction shaping was accomplished, electric core can be carried and get into next process through the drive belt, realizes automatic flow. However, during the pre-pressing process, the belt for conveying the battery cell is also subjected to pre-pressing force, which inevitably results in periodic damage and replacement of the belt.
In view of this, it is important to design and manufacture a cell pre-pressing forming device capable of rapidly changing tapes, especially in cell production.
Disclosure of Invention
The invention aims to provide a cell pre-pressing forming device which can quickly realize the disassembly and the assembly of a belt conveying mechanism so as to facilitate belt replacement, has high belt replacement efficiency and saves labor and time cost.
The invention is realized by adopting the following technical scheme.
The utility model provides an electricity core pre-compaction forming device, includes the frame, band conveying mechanism and pressure-bearing mechanism, and the frame includes the bottom plate, and pressure-bearing mechanism includes two backing plates, and band conveying mechanism installs between two backing plates, and the backing plate can be dismantled with the bottom plate and be connected, is provided with the bulb plunger in the backing plate, and the bulb plunger supports with the bottom plate and holds, and the bulb plunger can utilize self elasticity to drive the backing plate towards the direction motion of keeping away from the bottom plate after backing plate and bottom plate are dismantled to in pull out or push the frame with band conveying mechanism through pressure-.
Furthermore, the ball plunger comprises a shell, an elastic part and a ball, the backing plate is provided with a containing groove, the shell is arranged in the containing groove, the elastic part is arranged in the shell and connected with the ball, and the ball extends out of the shell and abuts against the bottom plate.
Furthermore, the bottom plate is provided with a limiting groove, the ball body is arranged in the limiting groove in a rolling mode, and the limiting groove can limit the rolling direction of the ball body, so that the push-pull direction of the pressure-bearing mechanism is limited.
Furthermore, the base plate is provided with a through hole, the bottom plate is provided with a threaded hole, the position of the through hole corresponds to the position of the threaded hole, the through hole is used for a screw to pass through, and the screw can be matched with the threaded hole so as to enable the base plate to be attached to the bottom plate and fix the relative position of the base plate and the bottom plate.
Further, pressure-bearing mechanism still includes handle, first fixed plate and second fixed plate, and two backing plates all set up between first fixed plate and second fixed plate, first fixed plate and a backing plate fixed connection, second fixed plate and another backing plate fixed connection, handle fixed connection keep away from one side of backing plate in first fixed plate, and first fixed plate and second fixed plate all set up with the bottom plate interval.
Furthermore, a positioning pin is arranged on the bottom plate and can be abutted against the second fixing plate so as to limit the limit position of the pressure-bearing mechanism pushed into the rack.
Further, belt conveyors includes first support, the second support, first driving piece, the action wheel, from driving wheel and drive belt, first driving piece installs on first support, and be connected with the action wheel, the action wheel rotates with first support and is connected, the one end and the first fixed plate fixed connection of first support, the other end and second fixed plate fixed connection, rotate with the second support from the driving wheel and be connected, the one end and the first fixed plate fixed connection of second support, the other end and second fixed plate fixed connection, first support and second support set up in the both ends of backing plate relatively, the drive belt cover is located outside action wheel and the follow driving wheel, and form an accommodation cavity.
Further, the pressure-bearing mechanism further comprises a pressure-bearing plate, one end of the pressure-bearing plate is fixedly connected to one base plate, the other end of the pressure-bearing plate is fixedly connected to the other base plate, and the pressure-bearing plate is arranged in the accommodating cavity.
Further, electric core pre-compaction forming device still includes actuating mechanism and executes the clamp plate, and the frame still includes the roof that sets up with the parallel interval of bottom plate, and actuating mechanism installs on the roof, and with executing clamp plate fixed connection, and the position of executing the clamp plate corresponds with belt conveyor's position.
Further, electricity core pre-compaction forming device still includes the air pump, and the clamp plate of executing is provided with first side and second side relatively, and the gas circuit passageway has been seted up to first side, and a plurality of gas pockets have been seted up to the second side, and a plurality of gas pockets all communicate with the gas circuit passageway, and the gas circuit passageway communicates with the air pump.
The battery core prepressing forming device provided by the invention has the following beneficial effects:
the invention provides a battery cell prepressing forming device, which comprises a rack, wherein the rack comprises a bottom plate, a pressure bearing mechanism comprises two base plates, a belt conveying mechanism is arranged between the two base plates, the base plates are detachably connected with the bottom plate, ball plungers are arranged in the base plates and are abutted against the bottom plate, and the ball plungers can drive the base plates to move in the direction far away from the bottom plate by utilizing the elasticity of the ball plungers after the base plates are detached from the bottom plate, so that the belt conveying mechanism can be pulled out of or pushed into the rack through the pressure bearing. Compared with the prior art, the battery cell pre-pressing forming device provided by the invention adopts the belt conveying mechanism arranged between the two base plates and the base plate provided with the ball plunger, so that the belt conveying mechanism can be quickly detached and installed, the belt can be conveniently replaced, the belt replacing efficiency is high, and the labor and time cost are saved.
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 view angle of a cell pre-pressing forming device according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of another view angle of the cell pre-pressing forming device according to the embodiment of the present invention;
fig. 3 is a schematic structural diagram of a pressure bearing mechanism in the electrical core pre-pressing forming device provided in the embodiment of the present invention;
fig. 4 is a cross-sectional view of a view angle at which a pressure-bearing mechanism is connected with a bottom plate in the cell pre-pressing forming device according to the embodiment of the present invention;
fig. 5 is a cross-sectional view of another view angle at which a pressure-bearing mechanism is connected with a bottom plate in the cell pre-compression molding apparatus provided in the embodiment of the present invention;
FIG. 6 is an enlarged view of a portion VI of FIG. 5;
FIG. 7 is a schematic structural view of the base plate of FIG. 2;
fig. 8 is a schematic structural diagram of connection between a belt conveying mechanism and a pressure-bearing mechanism in the cell pre-pressing forming device provided in the embodiment of the present invention;
fig. 9 is a schematic structural diagram of a pressing plate in the electrical core pre-pressing forming device according to an embodiment of the present invention;
fig. 10 is a schematic structural diagram of another view angle of a pressing plate in the electrical core pre-pressing forming device according to the embodiment of the present invention;
fig. 11 is a cross-sectional view of a cell pre-pressing forming device according to an embodiment of the present invention.
Icon: 100-a battery core prepressing and forming device; 110-a rack; 111-top plate; 112-a backplane; 113-a support plate; 114-a guide post; 115-a pilot hole; 116-a limiting groove; 117-threaded hole; 118-a locating pin; 120-a belt conveying mechanism; 121-a first bracket; 122-a second support; 123-a first drive member; 124-driving wheel; 125-driven wheel; 126-a conveyor belt; 127-a receiving cavity; 130-a pressure bearing mechanism; 131-a bearing plate; 132-a handle; 133-a first fixing plate; 134-a second fixation plate; 135-a backing plate; 136-ball plunger; 1361-jacket; 1362-elastic member; 1363-sphere; 137-a containing groove; 138-a through-hole; 140-a drive mechanism; 141-a second drive member; 142-a connector; 143-a pressure sensor; 144-a connecting plate; 150-pressing plate; 151-a first side; 152-a second side; 153-gas path channel; 154-air holes.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that the terms "inside", "outside", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or orientations or positional relationships conventionally put in use of products of the present invention, and are only for convenience of description and simplicity of description, but do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "connected," "mounted," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Some embodiments of the invention are described in detail below with reference to the accompanying drawings. Features in the embodiments described below may be combined with each other without conflict.
Examples
Referring to fig. 1, an embodiment of the present invention provides a battery cell pre-press molding apparatus 100, configured to perform pre-press molding on a battery cell. It can realize belt conveyor 120's dismantlement and installation fast to in changing the area, it is efficient to change the area, practices thrift manpower and time cost.
It should be noted that, in the cell winding and forming process, the cell pre-pressing and forming device 100 determines the thickness of the finally formed cell, and different pre-pressures may cause different gaps between the pole pieces and the diaphragms in the cell, so as to obtain different cell thicknesses, thereby affecting smooth proceeding of the subsequent battery production process.
The cell pre-pressing forming apparatus 100 includes a frame 110, a belt conveying mechanism 120, a pressure-bearing mechanism 130, a driving mechanism 140, a pressure applying plate 150, and an air pump (not shown). The pressure-bearing mechanism 130 and the driving mechanism 140 are both mounted on the frame 110, the belt conveying mechanism 120 is mounted on the pressure-bearing mechanism 130, the driving mechanism 140 is fixedly connected with the pressure applying plate 150, the position of the pressure applying plate 150 corresponds to the position of the belt conveying mechanism 120, and the pressure applying plate 150 is arranged above the belt conveying mechanism 120. Actuating mechanism 140 can drive and apply pressure plate 150 towards the direction motion that is close to belt conveyor 120, press and hold the electricity core between applying pressure plate 150 and belt conveyor 120, thereby realize the pre-compaction shaping of electricity core, in this process, pressure-bearing mechanism 130 can support belt conveyor 120, apply pressure plate 150 pressure of applying downwards and transmit to pressure-bearing mechanism 130 through belt conveyor 120 promptly, go on with the assurance pre-compaction job stabilization, belt conveyor 120 is used for driving electric core after the pre-compaction is accomplished and takes place the displacement, so that electric core gets into next process. The air pump is connected with pressure plate 150, and the air pump is used for through pressure plate 150 to electric core output positive pressure air current after the pre-compaction is accomplished to guarantee that electric core and pressure plate 150 throw off reliably, prevent that electric core adhesion from causing the condition emergence that electric core pulled on pressure plate 150.
Referring to fig. 2, the frame 110 includes a top plate 111, a bottom plate 112, a support plate 113, and a guide post 114. The top plate 111 is fixedly connected with the bottom plate 112 through the supporting plate 113, the top plate 111 and the bottom plate 112 are arranged in parallel at intervals, the top plate 111 is arranged above the bottom plate 112, and both the top plate 111 and the bottom plate 112 are positioned on a horizontal plane. The driving mechanism 140 is installed on the top plate 111, the pressure-bearing mechanism 130 is installed on the bottom plate 112, and the driving mechanism 140 can drive the pressing plate 150 to approach or depart from the pressure-bearing mechanism 130. The top plate 111 is provided with a guide hole 115, the guide column 114 is slidably disposed in the guide hole 115 and is fixedly connected with the pressing plate 150, the pressing plate 150 can drive the guide column 114 to slide in the guide hole 115, and the guide column 114 can limit the movement direction of the pressing plate 150, so that the pressing plate 150 can only ascend or descend along the vertical direction.
Referring to fig. 3, 4, 5, 6 and 7, the pressure mechanism 130 includes a pressure plate 131, a handle 132, a first fixing plate 133, a second fixing plate 134 and two backing plates 135. The two backing plates 135 are arranged in parallel at intervals and are perpendicular to the bottom plate 112, the belt conveying mechanism 120 is installed between the two backing plates 135, the backing plates 135 are attached to the bottom plate 112, and the backing plates 135 are detachably connected with the bottom plate 112. Two backing plates 135 are all arranged between the first fixing plate 133 and the second fixing plate 134, the first fixing plate 133 is attached to one backing plate 135 and is fixedly connected with the other backing plate 135, and the second fixing plate 134 is attached to the other backing plate 135 and is fixedly connected with the other backing plate. In this embodiment, the first fixing plate 133 and the second fixing plate 134 are U-shaped in cross section, and one pad 135 is disposed inside the first fixing plate 133 and the other pad 135 is disposed inside the second fixing plate 134.
Further, a handle 132 is fixedly connected to a side of the first fixing plate 133 away from the pad 135, and the handle 132 is used for being held by a worker so as to pull out or push in the entire pressure-bearing mechanism 130 into the rack 110. The first fixing plate 133 and the second fixing plate 134 are spaced apart from the bottom plate 112 to reduce the frictional resistance between the pressure mechanism 130 and the bottom plate 112, so that the pressure mechanism 130 can be pulled out of or pushed into the rack 110. One end fixed connection of bearing plate 131 is on a backing plate 135, other end fixed connection is on another backing plate 135, bearing plate 131 stretches into in the belt conveyor 120, the electric core is pressed and is held between applying clamp plate 150 and bearing plate 131, bearing plate 131 is used for with applying the cooperation of clamp plate 150, in order to realize the pre-compaction shaping operation to the electric core, two backing plates 135 can support bearing plate 131 simultaneously, the pressure that bearing plate 131 bore passes through backing plate 135 and transmits to bottom plate 112 on, take place to warp in order to prevent that bearing plate 131 from receiving the pressure.
It should be noted that, a ball plunger 136 is arranged in the backing plate 135, the ball plunger 136 abuts against the bottom plate 112, the ball plunger 136 can drive the backing plate 135 to move towards a direction away from the bottom plate 112 by using self elasticity after the backing plate 135 and the bottom plate 112 are disassembled, so as to pull out or push the belt conveying mechanism 120 into the rack 110 through the pressure bearing mechanism 130, thereby realizing the quick disassembly and assembly of the belt conveying mechanism 120, further improving the belt changing efficiency of the belt conveying mechanism 120, increasing the easy maintenance of the electric core pre-pressing forming device 100, and ensuring the production efficiency of the electric core pre-pressing forming device 100.
In this embodiment, ball plunger 136 includes a housing 1361, an elastic member 1362, and a ball 1363. The cushion plate 135 is provided with a receiving groove 137 toward a direction close to the bottom plate 112, and the housing 1361 is disposed in the receiving groove 137. The elastic member 1362 is installed in the casing 1361 and connected to the ball 1363, one end of the elastic member 1362 abuts against the bottom wall of the casing 1361, the other end abuts against the ball 1363, and the elastic member 1362 can apply an elastic force to the ball 1363. The ball 1363 extends out of the casing 1361 and abuts against the bottom plate 112, and the ball 1363 can roll relative to the bottom plate 112 to further reduce the frictional resistance between the bearing mechanism 130 and the bottom plate 112, so as to facilitate the pulling out or pushing in of the bearing mechanism 130 to the rack 110. Specifically, the elastic member 1362 is a spring, but is not limited thereto, and in other embodiments, the elastic member 1362 may also be an elastic rubber, and the material of the elastic member 1362 is not particularly limited.
When the electrical core pre-pressing forming device 100 is in a working state, the backing plate 135 is attached to and fixedly connected with the bottom plate 112, and at this time, the elastic member 1362 of the ball plunger 136 is in a compressed state and has a large compression deformation; after the base plate 135 and the bottom plate 112 are completely detached, the elastic member 1362 rebounds under the action of the elastic force of the elastic member 1362 and extends in the direction away from the bottom plate 112, so as to drive the base plate 135 to move in the direction away from the bottom plate 112, and the base plate 135 is lifted away from the bottom plate 112, so that a gap is formed between the base plate 135 and the bottom plate 112, at this time, the elastic member 1362 of the ball plunger 136 is still in a compressed state, but compression deformation is small, and because the base plate 135 and the bottom plate 112 are arranged at an interval, and the ball 1363 is always abutted against the bottom plate 112, after the base plate 135 and the bottom plate 112 are completely detached, the whole pressure-bearing mechanism 130 is only contacted with the bottom plate 112 through the ball 1363, and the ball 1363 can drive the pressure-bearing mechanism 130 to displace in a rolling manner relative to the bottom.
It is worth noting that the bottom plate 112 is provided with a limiting groove 116, the ball 1363 is arranged in the limiting groove 116 in a rolling manner, the ball 1363 can roll along the extending direction of the limiting groove 116, and the limiting groove 116 can limit the rolling direction of the ball 1363, so as to limit the push-pull direction of the pressure-bearing mechanism 130, and the push-pull direction of the pressure-bearing mechanism 130 is the extending direction of the limiting groove 116. Specifically, the cross section of the limiting groove 116 is V-shaped, and the extending direction of the limiting groove 116 is perpendicular to the backing plate 135 and parallel to the plane of the bearing plate 131.
In this embodiment, the number of the accommodating grooves 137 formed in each cushion plate 135 is two, the number of the ball plungers 136 is four, and each ball plunger 136 is installed in one accommodating groove 137. The number of the limiting grooves 116 is two, the two limiting grooves 116 are arranged on the bottom plate 112 at intervals in parallel, and the spheres 1363 of the two ball plungers 136 on each base plate 135 are all arranged in one limiting groove 116 in a rolling manner, so that the limiting effect is further improved, and the pressure-bearing mechanism 130 can only be pulled out or pushed into the rack 110 along the extending direction of the limiting grooves 116. However, the number of the receiving grooves 137 formed in each of the pads 135 may be three, in other embodiments, the number of the ball plungers 136 is six, the number of the limiting grooves 116 is three, and the number of the receiving grooves 137, the ball plungers 136 and the limiting grooves 116 is not particularly limited.
It should be noted that the backing plate 135 is provided with a through hole 138, the bottom plate 112 is provided with a threaded hole 117, and the position of the through hole 138 corresponds to the position of the threaded hole 117. The through holes 138 are used for screws (not shown) to pass through, and the screws can be matched with the threaded holes 117 and tightened relative to the threaded holes 117 to make the backing plate 135 fit with the bottom plate 112 and fix the relative position of the backing plate 135 and the bottom plate 112 to prevent the backing plate 135 from being displaced relative to the bottom plate 112.
In this embodiment, the number of the through holes 138 formed in each pad plate 135 is three, the number of the screws is six, the number of the threaded holes 117 is six, the three through holes 138 are arranged on one pad plate 135 in parallel at intervals, each accommodating groove 137 is arranged between two adjacent through holes 138, and the position of each through hole 138 corresponds to the position of one threaded hole 117. However, the number of the through holes 138 opened in each backing plate 135 is not limited to four, and in this case, the number of the threaded holes 117 and the number of the screws are eight, and the number of the through holes 138, the threaded holes 117, and the number of the screws are not particularly limited.
It should be noted that, the bottom plate 112 is provided with a positioning pin 118, the positioning pin 118 is located at one end of the limiting groove 116, and the positioning pin 118 can abut against the second fixing plate 134 to limit the limit position at which the pressure-bearing mechanism 130 is pushed into the rack 110. When the pressure mechanism 130 moves to the limit position along the extending direction of the limiting groove 116, the second fixing plate 134 of the pressure mechanism 130 abuts against the positioning pin 118, and the position of the through hole 138 on the backing plate 135 corresponds to the position of the threaded hole 117 on the base plate 112, so that the backing plate 135 and the base plate 112 are connected by using a screw.
In this embodiment, the number of the positioning pins 118 is two, the two positioning pins 118 are disposed on the bottom plate 112 at intervals in parallel, the two positioning pins 118 are both located between the two limiting grooves 116, and the two positioning pins 118 can be simultaneously abutted against the second fixing plate 134, so as to further improve the limiting effect and ensure that the pressure-bearing mechanism 130 moves in place. However, the number of the positioning pins 118 is not limited to three, and in other embodiments, the number of the positioning pins 118 may be three or four, and the number of the positioning pins 118 is not particularly limited.
Referring to fig. 8, the belt conveying mechanism 120 includes a first bracket 121, a second bracket 122, a first driving member 123, a driving pulley 124, a driven pulley 125, and a transmission belt 126. The first driving member 123 is mounted on the first bracket 121 and connected to the driving wheel 124, the driving wheel 124 is rotatably connected to the first bracket 121, one end of the first bracket 121 is fixedly connected to the first fixing plate 133, and the other end of the first bracket 121 is fixedly connected to the second fixing plate 134. The driven wheel 125 is rotatably connected to the second bracket 122, one end of the second bracket 122 is fixedly connected to the first fixing plate 133, the other end is fixedly connected to the second fixing plate 134, the first bracket 121 and the second bracket 122 are disposed at two ends of the backing plate 135, and the driving belt 126 is sleeved outside the driving wheel 124 and the driven wheel 125 and forms an accommodating cavity 127. First driving piece 123 can drive action wheel 124 and rotate, and action wheel 124 can drive from driving wheel 125 through drive belt 126 and rotate, and the electric core is placed on drive belt 126 to realize belt conveyor 120 and drive the function of electric core motion. In this embodiment, the transmission belt 126 is an anti-static belt, so as to avoid the occurrence of the situation that the diaphragm is torn or damaged due to electrostatic adsorption generated between the transmission belt 126 and the diaphragm of the battery cell.
Specifically, the bearing plate 131 is disposed in the receiving cavity 127 and is disposed close to the upper transmission belt 126, and a gap is formed between the bearing plate 131 and the upper transmission belt 126 to prevent the bearing plate 131 from generating friction interference on the movement of the transmission belt 126. At the in-process of carrying out the pre-compaction shaping to electric core, electric core places on drive belt 126, and actuating mechanism 140 drives and applies pressure plate 150 downstream, presses electric core and holds on drive belt 126, and drive belt 126 takes place elastic deformation this moment, and supports and hold on bearing plate 131 to realize the pre-compaction operation of electric core. After the pre-pressing operation is completed, the driving mechanism 140 drives the pressing plate 150 to reset upwards, the driving belt 126 is not pressed by the battery cell any more, the driving belt 126 rebounds under the action of the elastic force of the driving belt 126 and forms a gap with the bearing plate 131, and the first driving member 123 drives the driving belt 126 to rotate through the driving wheel 124 so as to drive the battery cell after pre-pressing to move to the next process.
Further, since the driving belt 126 is pre-pressed during each pre-pressing process of the battery cell, the driving belt 126 is inevitably damaged after a long time, and therefore, the driving belt 126 needs to be replaced periodically. In this embodiment, the pressure-bearing mechanism 130 is pulled out of the rack 110 by adopting a manner that the sphere 1363 rolls relative to the bottom plate 112, so as to take the belt conveying mechanism 120 out of the rack 110, so as to replace the transmission belt 126 on the belt conveying mechanism 120, the belt replacement efficiency is high, and the production efficiency of the electric core pre-pressing forming device 100 is ensured.
Referring to fig. 9 and fig. 10, it should be noted that the pressing plate 150 is oppositely provided with a first side 151 and a second side 152, the first side 151 is used for connecting with the driving mechanism 140, and the second side 152 is used for pre-pressing the battery cell. The first side surface 151 is provided with an air passage channel 153, the second side surface 152 is provided with a plurality of air holes 154, the air holes 154 are all communicated with the air passage channel 153, and the air passage channel 153 is communicated with an air pump. After the pre-pressing operation is completed, the air pump outputs positive pressure air flow into the air passage channel 153, and the air flow enters the air holes 154 through the air passage channel 153 respectively so as to ensure that the second side surface 152 is reliably separated from the battery cell, prevent the battery cell from being adhered to the second side surface 152, improve the quality of the formed battery cell and improve the size consistency of the formed battery cell.
In this embodiment, the pressing plate 150 is made of polyoxymethylene material to further prevent cell adhesion. In addition, the diameter of the air hole 154 ranges from 0.5 mm to 1 mm, so as to prevent the air hole 154 from pressing out a circular pressing mark on the surface of the cell during the pre-pressing process to damage the cell.
Referring to fig. 11, the driving mechanism 140 includes a second driving member 141, a connecting head 142, a pressure sensor 143, and a connecting plate 144. The second driving member 141 is fixedly mounted on the top plate 111 and connected to the connector 142, the connector 142 is fixedly connected to the connection plate 144 through the pressure sensor 143, and the connection plate 144 is attached to and fixedly connected to the pressing plate 150. The second driving member 141 can drive the connecting plate 144 to move up and down through the connector 142 and the pressure sensor 143, so as to drive the pressing plate 150 to move up or down, thereby implementing the pre-pressing operation on the battery cell.
Specifically, the pressure sensor 143 is electrically connected to the second driving element 141, the pressure sensor 143 is configured to detect pressure data in real time during the pre-pressing process, and transmit the pressure data to the second driving element 141, and the pressure sensor 143 and the second driving element 141 work together to implement accurate execution of the pre-pressing action and closed-loop control of the pre-pressing force, so as to achieve stable control of the magnitude of the cell pre-pressing force between 100 kg and 7 tons, and improve the pre-pressing effect.
In this embodiment, the first driving element 123 is an electric motor, and the second driving element 141 is an electric cylinder, but the invention is not limited thereto, and in other embodiments, the first driving element 123 may be a hydraulic motor or a pneumatic motor, and the second driving element 141 may be an air cylinder or a hydraulic cylinder, and the types of the first driving element 123 and the second driving element 141 are not particularly limited.
In the battery cell pre-pressing forming device 100 provided by the embodiment of the present invention, the rack 110 includes a bottom plate 112, the pressure-bearing mechanism 130 includes two base plates 135, the belt conveying mechanism 120 is installed between the two base plates 135, the base plates 135 are detachably connected with the bottom plate 112, a ball plunger 136 is disposed in the base plates 135, the ball plunger 136 abuts against the bottom plate 112, and the ball plunger 136 can drive the base plates 135 to move in a direction away from the bottom plate 112 by using its own elasticity after the base plates 135 and the bottom plate 112 are detached, so that the belt conveying mechanism 120 is pulled out or pushed into the rack 110 by the pressure-bearing mechanism 130. Compared with the prior art, the battery cell pre-pressing forming device 100 provided by the invention adopts the belt conveying mechanism 120 arranged between the two backing plates 135 and the backing plate 135 provided with the ball plunger 136, so that the belt conveying mechanism 120 can be quickly detached and installed, the belt replacement is convenient, the belt replacement efficiency is high, and the labor and time cost are saved.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides an electricity core pre-compaction forming device, its characterized in that, includes frame, belt conveyor and pressure-bearing mechanism, the frame includes the bottom plate, pressure-bearing mechanism includes two backing plates, belt conveyor install in two between the backing plate, the backing plate with the connection can be dismantled to the bottom plate, be provided with the bulb plunger in the backing plate, the bulb plunger with the bottom plate supports and holds, the bulb plunger can the backing plate with utilize self elasticity to drive after the bottom plate is dismantled the backing plate court is kept away from the direction motion of bottom plate, so that pass through pressure-bearing mechanism will belt conveyor pulls out or pushes away in the frame.
2. The electric core pre-pressing forming device according to claim 1, wherein the ball plunger includes a casing, an elastic member, and a ball, the backing plate has a receiving groove, the casing is disposed in the receiving groove, the elastic member is mounted in the casing and connected to the ball, and the ball extends out of the casing and abuts against the bottom plate.
3. The electric core pre-pressing forming device according to claim 2, wherein a limiting groove is formed in the bottom plate, the sphere is arranged in the limiting groove in a rolling manner, and the limiting groove can limit the rolling direction of the sphere, so that the pushing and pulling direction of the pressure-bearing mechanism is limited.
4. The electric core pre-pressing forming device according to claim 1, wherein the backing plate is provided with a through hole, the bottom plate is provided with a threaded hole, the position of the through hole corresponds to the position of the threaded hole, the through hole is used for a screw to pass through, and the screw can be matched with the threaded hole so that the backing plate is attached to the bottom plate and the relative position of the backing plate and the bottom plate is fixed.
5. The electric core pre-pressing forming device of claim 1, characterized in that the pressure-bearing mechanism further includes a handle, a first fixing plate and a second fixing plate, two backing plates are disposed between the first fixing plate and the second fixing plate, the first fixing plate is fixedly connected with one of the backing plates, the second fixing plate is fixedly connected with the other of the backing plates, the handle is fixedly connected to one side of the first fixing plate, which is far away from the backing plate, and the first fixing plate and the second fixing plate are both disposed at intervals with the base plate.
6. The electric core pre-pressing forming device according to claim 5, wherein a positioning pin is arranged on the bottom plate, and the positioning pin can abut against the second fixing plate to limit a limit position at which the pressure-bearing mechanism is pushed into the rack.
7. The electric core pre-pressing forming device according to claim 5, wherein the belt conveying mechanism includes a first bracket, a second bracket, a first driving member, a driving wheel, a driven wheel and a driving belt, the first driving member is mounted on the first bracket, and is connected with the driving wheel, the driving wheel is rotationally connected with the first bracket, one end of the first bracket is fixedly connected with the first fixing plate, the other end of the first bracket is fixedly connected with the second fixing plate, the driven wheel is rotationally connected with the second bracket, one end of the second bracket is fixedly connected with the first fixing plate, the other end of the second bracket is fixedly connected with the second fixing plate, the first support and the second support are arranged at two ends of the backing plate relatively, the driving wheel and the driven wheel are sleeved with the transmission belt, and an accommodating cavity is formed.
8. The electric core pre-pressing forming device according to claim 7, wherein the pressure-bearing mechanism further includes a pressure-bearing plate, one end of the pressure-bearing plate is fixedly connected to one of the backing plates, the other end of the pressure-bearing plate is fixedly connected to the other backing plate, and the pressure-bearing plate is disposed in the accommodating cavity.
9. The electric core pre-pressing forming device according to any one of claims 1 to 8, further comprising a driving mechanism and a pressing plate, wherein the rack further comprises a top plate parallel to the bottom plate and spaced apart from the bottom plate, the driving mechanism is mounted on the top plate and fixedly connected to the pressing plate, and the position of the pressing plate corresponds to the position of the belt conveying mechanism.
10. The electric core pre-pressing forming device according to claim 9, further comprising an air pump, wherein the pressing plate is provided with a first side surface and a second side surface opposite to each other, the first side surface is provided with an air passage, the second side surface is provided with a plurality of air holes, the plurality of air holes are all communicated with the air passage, and the air passage is communicated with the air pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010869631.2A CN111916838A (en) | 2020-08-26 | 2020-08-26 | Electricity core pre-compaction forming device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010869631.2A CN111916838A (en) | 2020-08-26 | 2020-08-26 | Electricity core pre-compaction forming device |
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| Publication Number | Publication Date |
|---|---|
| CN111916838A true CN111916838A (en) | 2020-11-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010869631.2A Pending CN111916838A (en) | 2020-08-26 | 2020-08-26 | Electricity core pre-compaction forming device |
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| CN (1) | CN111916838A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116060938A (en) * | 2023-03-07 | 2023-05-05 | 湖南瑞都模具技术有限公司 | Assembling equipment for connecting plate assembly of automobile lifting pedal |
-
2020
- 2020-08-26 CN CN202010869631.2A patent/CN111916838A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116060938A (en) * | 2023-03-07 | 2023-05-05 | 湖南瑞都模具技术有限公司 | Assembling equipment for connecting plate assembly of automobile lifting pedal |
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