CN220710367U - Plastic-aluminum membrane forming mechanism - Google Patents

Abstract

The utility model relates to the field of battery cell packaging equipment, and discloses an aluminum plastic film forming mechanism, which comprises the following components: the device comprises a stamping driving cylinder, a stamping movable die and a stamping fixed die, wherein the stamping driving cylinder drives the stamping movable die, so that the stamping movable die is abutted to or separated from the stamping fixed die, two symmetrically arranged and clearance fit protruding portions are formed on the stamping fixed die, the top surface of each protruding portion is an arc surface, a first arc-shaped groove matched with each protruding portion is formed on the stamping movable die, an aluminum plastic film is fixed by a feeding mechanism in cooperation with a film pressing portion so as to facilitate stamping forming, and the film pressing portion can also convey the aluminum plastic film to the next processing procedure.

Description

Plastic-aluminum membrane forming mechanism

Technical Field

The utility model relates to the field of battery cell packaging equipment, in particular to an aluminum plastic film forming mechanism.

Background

Along with development of technology, the production mode of the soft-package lithium ion battery is gradually developed from manual production to mechanical automatic production, at present, a plurality of full-automatic soft-package lithium ion battery packaging devices are available on the market, and although the packaging devices can realize the mechanical automatic production, the whole structure is complex, the cost of the devices is high, and particularly, the device relates to an aluminum plastic film forming process, besides being applied to the most basic stamping fixed film and stamping movable film, an additional tensioning device and a pulling device are needed to ensure that the aluminum plastic film cannot deviate in the stamping forming process, and how to simplify related mechanisms for the stamping forming of the aluminum plastic film so as to reduce the equipment cost is a technical problem to be solved urgently.

Disclosure of Invention

The utility model aims to overcome the defects that the related mechanism for the aluminum plastic film stamping forming is complex in structure, high in manufacturing cost and unfavorable for later maintenance, and provides a technical scheme capable of solving the problems:

an aluminum plastic film forming mechanism, comprising: the device comprises a stamping driving cylinder, a stamping movable die and a stamping fixed die, wherein the stamping driving cylinder drives the stamping movable die so that the stamping movable die is in butt joint or separation with the stamping fixed die, two symmetrically arranged convex parts which are in clearance fit are formed on the stamping fixed die, the top surface of each convex part is an arc surface, and a first arc-shaped groove matched with each convex part is formed on the stamping movable die; the plastic-aluminum film pressing device comprises a pressing part, a feeding mechanism and a pressing part, wherein the pressing part is arranged on the pressing part, and the pressing part is arranged on the pressing part; the film pressing part comprises a film pulling frame, a rotatable transmission shaft and a pressing wheel rotating shaft are arranged on the inner side of the film pulling frame, a sliding groove is formed in the top of the film pulling frame, a sliding block which is in sliding fit with the sliding groove is arranged in the sliding groove, and the pressing wheel rotating shaft is rotatably arranged on the sliding block and is positioned above the transmission shaft; the pressing wheel is coaxially arranged on the pressing wheel rotating shaft, a first air cylinder is further arranged at the top of the film pulling frame, the first air cylinder drives the sliding block to move up and down, the aluminum plastic film is pulled out from the air expansion roller and passes through between the stamping movable die and the stamping fixed die, and finally the aluminum plastic film is tightly pressed on the transmission shaft through the pressing wheel so as to be convenient for stamping and forming.

Preferably, a plurality of conveying rollers at different heights are arranged on the feeding frame, and the conveying rollers are in running fit with the feeding frame.

Preferably, a first motor is installed on the side face of the feeder, and the first motor is connected with the air-expanding roller and drives the air-expanding roller to rotate.

Preferably, a second motor is installed on the side face of the film drawing frame, and the second motor is connected with the transmission shaft and drives the transmission shaft to rotate.

Compared with the prior art, the utility model has the beneficial effects that: the feeding mechanism is matched with the film pressing part to fix the aluminum plastic film so as to be convenient for stamping forming, and the film pressing part can also send the aluminum plastic film into the next processing procedure.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the utility model, and that other drawings can be obtained according to these drawings without inventive faculty for a person skilled in the art.

Fig. 1 is a schematic structural view of the present utility model.

Fig. 2 is a schematic view of another construction of the present utility model.

Fig. 3 is a schematic structural view of the plastic-aluminum film forming mechanism of the present utility model.

Fig. 4 is a schematic structural view of the press die of the present utility model.

Fig. 5 is a schematic structural view of the plastic-aluminum film cutting mechanism of the present utility model.

Fig. 6 is a schematic structural view of another plastic-aluminum film cutting mechanism of the present utility model.

Fig. 7 is a schematic structural view of the battery cell packaging mechanism of the present utility model.

Fig. 8 is a schematic view of another structure of the battery cell packaging mechanism of the present utility model.

Figure 9 is a schematic view of the structure of the first chuck assembly of the present utility model.

Figure 10 is a schematic structural view of a second chuck assembly according to the present utility model.

Fig. 11 is a schematic structural view of the tilting mechanism of the present utility model.

Fig. 12 is a schematic structural view of the suction shell plate of the present utility model.

Fig. 13 is a schematic structural view of the turntable of the present utility model.

Fig. 14 is a schematic view of another construction of the turntable of the present utility model.

Fig. 15 is an enlarged view at a of fig. 14.

Fig. 16 is a schematic structural view of the folding mechanism of the present utility model.

Fig. 17 is a schematic view of the structure of the left side thermal packaging mechanism of the present utility model.

Fig. 18 is a schematic structural view of the film pressing portion of the present utility model.

Fig. 19 is a schematic structural view of the tab clamping mechanism of the present utility model.

Detailed Description

The following description of the technical solutions in the embodiments of the present utility model will be clear and complete, and it is obvious that the described embodiments are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-19, in an embodiment of the present utility model, a battery cell packaging apparatus includes:

the feeding mechanism 1 is used for storing and conveying unprocessed aluminum plastic films;

the aluminum plastic film forming mechanism 2 is used for punching and forming the aluminum plastic film so as to form a cell groove;

the aluminum plastic film cutting mechanism 3 is used for cutting the aluminum plastic film after the punching forming;

the turnover mechanism 4 is used for turning over the aluminum plastic film and enabling a battery cell groove of the aluminum plastic film to face upwards so as to be convenient for placing a battery cell;

the battery cell transport mechanism 5 is used for transporting battery cells;

battery cell packaging mechanism 6 includes: the first grabbing mechanism 61, the second grabbing mechanism 62, the turntable 63, the left heat sealing mechanism 64 and the right heat sealing mechanism 65, the first grabbing mechanism 61, the second grabbing mechanism 62, the left heat sealing mechanism 64 and the right heat sealing mechanism 65 are sequentially arranged around the turntable 63, four packaging stations 66 are arranged around the turntable 63 and correspond to the first grabbing mechanism 61, the second grabbing mechanism 62, the left heat sealing mechanism 64 and the right heat sealing mechanism 65 respectively, and the packaging stations 66 comprise: the folding mechanism comprises a driving cylinder 664 and at least two folding mechanisms 4, wherein the two folding mechanisms 4 are symmetrically arranged on two sides of the driving cylinder 664, and the folding mechanisms 4 are driven by the driving cylinder 664 to fold;

the first grabbing mechanism 61 grabs the aluminum-plastic film on the turnover mechanism 4 and is placed on the folding mechanism 4, the second grabbing mechanism 62 grabs the battery cell on the battery cell transporting mechanism 5 and is placed in a cell groove of the aluminum-plastic film, the aluminum-plastic film is folded through the folding mechanism 4 to cover the battery cell, and finally the left heat-sealing mechanism 64 and the right heat-sealing mechanism 65 encapsulate the aluminum-plastic film.

Specifically, the feeding mechanism 1 comprises a feeding frame 11, the feeding frame 11 is provided with a rotatable air-inflated roller 12 and a plurality of conveying rollers 13 at different heights, an unprocessed aluminum-plastic film is wound on the air-inflated roller 12, and the air-inflated roller 12 is matched with the conveying rollers 13 to convey the aluminum-plastic film;

as shown in fig. 3 and 4, the plastic-aluminum film forming mechanism 2 includes: the device comprises a stamping driving cylinder 21, a stamping movable die 22 and a stamping fixed die 23, wherein the stamping movable die 22 is driven by the stamping driving cylinder 21 so that the stamping movable die 22 is abutted against or separated from the stamping fixed die 23, two symmetrically arranged and clearance-matched protruding parts 231 are formed on the stamping fixed die 23, the top surfaces of the protruding parts 231 are cambered surfaces, and a first arc-shaped groove 221 matched with the protruding parts 231 is formed on the stamping movable die 22;

preferably, a deviation corrector 7 is arranged between the feeding mechanism 1 and the aluminum plastic film forming mechanism 2 to correct the deviation of the aluminum plastic film, and the aluminum plastic film is sent into the aluminum plastic film forming mechanism 2 for punch forming through the deviation corrector 7;

as shown in fig. 18, the plastic-aluminum film forming mechanism further comprises a film pressing part 8, the film pressing part 8 is arranged at the rear of the plastic-aluminum film forming mechanism 2, the film pressing part 8 comprises a film drawing frame 81, a rotatable transmission shaft 82 and a pressing wheel rotating shaft 83 are arranged at the inner side of the film drawing frame 81, a sliding groove 811 is formed in the top of the film drawing frame 81, a sliding block 812 in sliding fit with the sliding groove 811 is arranged in the sliding groove 811, and the pressing wheel rotating shaft 83 is rotatably arranged on the sliding block 812 and is positioned above the transmission shaft 82; the pinch roller 831 is coaxially installed on the pinch roller rotating shaft 83, a first cylinder 84 is also installed on the top of the film drawing frame 81, and the first cylinder 84 drives the sliding block 812 to move up and down;

in the technical scheme of this application, still be equipped with first motor and the second motor 85 that is used for driving the physiosis roller 12 and the transmission shaft 82 specially, first motor install in the side of pay-off frame 11, the second motor 85 install in draw the side of membrane frame 81, with regard to press mold portion 8, send into aluminium plastic film forming mechanism 2 after the aluminium plastic film, press mold portion 8 to fix the aluminium plastic film so that aluminium plastic film forming mechanism 2 carries out stamping forming by feeding mechanism 1 cooperation press mold portion 8, press mold portion 8 is responsible for sending into aluminium plastic film next machining procedure again simultaneously.

As shown in fig. 5 and 6, the plastic-aluminum film cutting mechanism 3 includes: the slicing bracket 31, the slicing bracket 31 is provided with a second air cylinder 32 and an upper cutter assembly and a lower cutter assembly which are oppositely arranged, the second air cylinder 32 drives the upper cutter assembly so that the upper cutter assembly is matched with the lower cutter assembly to cut an aluminum plastic film, a material receiving platform 33 is arranged at the rear of the slicing bracket 31, an opening is formed in the material receiving platform 33, a top block 34 is arranged in the opening, the top shape of the top block 34 is matched with a battery cell groove on the aluminum plastic film, a third air cylinder 35 is arranged below the material receiving platform 33, and the third air cylinder 35 is connected with the top block 34 and drives the top block 34 to move up and down; the upper cutter assembly includes: an upper fixing plate 361, an upper cutter 362, a first elastic compression bar 363 and a second elastic compression bar 364, the second cylinder 32 is connected to the upper fixing plate 361, a front fixing base 365 and a rear fixing base 366 are respectively installed at the front and rear of the upper fixing plate 361, the first elastic compression bar 363 is installed at the bottom surface of the front fixing base 365, the second elastic compression bar 364 is installed at the bottom surface of the rear fixing base 366, and the upper cutter 362 is installed at the rear of the upper fixing plate 361 and is disposed between the upper fixing plate 361 and the second elastic compression bar 364; the lower cutter assembly includes: a lower fixing plate 371 and a lower cutter 372, wherein the front of the lower fixing plate 371 is connected with a cushion block 373, the cushion block 373 is arranged below the first elastic compression bar 363, and the material receiving platform 33 is arranged below the second elastic compression bar 364; it can be appreciated that the aluminum plastic film after being punched and formed is sent between the upper cutter 362 and the lower cutter 372, the front end and the rear end of the aluminum plastic film are respectively pressed by the first elastic pressing rod 363 and the second elastic pressing rod 364, then the third cylinder 35 drives the top block 34 into the electric core groove of the aluminum plastic film, the top block 34 can assist the first elastic pressing rod 363 and the second elastic pressing rod 364 to fix the aluminum plastic film, and meanwhile, the electric core groove can be prevented from being deformed in the cutting process;

the plastic-aluminum membrane cutting mechanism 3 further comprises a first sliding rail 38, a first sliding block 39 in sliding fit with the first sliding rail 38 is arranged on the first sliding rail 38, the material receiving platform 33 and the third air cylinder 35 are both arranged on the first sliding block 39, and the first sliding rail 38 is matched with the first sliding block 39 to be used for transporting the cut plastic-aluminum membrane.

As shown in fig. 11 and 12, the tilting mechanism 4 includes:

the suction shell plate 41 is provided with a second arc-shaped groove 411, a plurality of vacuum suckers 412 are installed on the suction shell plate 41 and are arranged around the second arc-shaped groove 411, and grooves are formed in the suction shell plate 41 to install the vacuum suckers 412;

the swirl cylinder 42, the suction plate 41 is connected to the swirl cylinder 42, and the swirl cylinder 42 drives the suction plate 41 to rotate.

The second sliding rail 43 is parallel to the first sliding rail 38, a second sliding block 44 in sliding fit with the second sliding rail 43 is installed on the second sliding rail 43, a fourth air cylinder 45 is installed on the second sliding block 44, a telescopic rod of the fourth air cylinder 45 is connected with a connecting plate, the rotary air cylinder 42 is installed on the connecting plate, the rotary air cylinder 42 is driven by the fourth air cylinder 45 to reciprocate up and down, and the second sliding block 44 can transport the shell absorbing plate 41 to the position above the receiving platform 33;

it can be appreciated that the cell groove of the aluminum plastic film after stamping forming (or the cut aluminum plastic film) is downward, so that the turnover mechanism 4 is required to turn over the cell groove so as to facilitate the subsequent installation of the battery cell.

The battery cell transportation mechanism 5 comprises a conveyor belt, a plurality of battery cell bases are arranged on the conveyor belt, and third arc-shaped grooves are formed in the battery cell bases to place battery cells.

As shown in fig. 7-10, the first grabbing mechanism 61 includes a first X-axis translation module 611, a first Z-axis translation module 612, and a first suction cup assembly 613, where the first X-axis translation module 611 is parallel to the second slide rail 43 and is disposed above the first Z-axis translation module, specifically, one end of the first X-axis translation module 611 is disposed above the second slide rail 43, the other end of the first X-axis translation module 611 is disposed above the encapsulation station 66 (the encapsulation station 66 corresponding to the first grabbing mechanism 61), the first Z-axis translation module 612 is mounted on the first X-axis translation module 611, the first Z-axis translation module 611 drives the first Z-axis translation module 612 to move along the X-axis direction, the first suction cup assembly 613 is mounted on the first Z-axis translation module 612, the first Z-axis translation module 612 controls the height of the first suction cup assembly 613, and the first Z-axis translation module 612 controls the first suction cup assembly 613 to be lowered until the first suction cup assembly 613 can be sucked and lowered onto the encapsulation plate (41) and placed on the encapsulation plate 4;

the second grabbing mechanism 62 includes a second X-axis translation module 621, a Y-axis translation module 622, a second Z-axis translation module 623, and a second chuck assembly 624, two ends of the Y-axis translation module 622 are respectively disposed above the conveyor belt and the packaging station 66, the second X-axis translation module 621 is mounted on the Y-axis translation module 622, the second X-axis translation module 621 is driven by the Y-axis translation module 622 to move along the Y-axis direction, the second Z-axis translation module 623 is mounted on the second X-axis translation module 621, the second Z-axis translation module 623 is driven by the second X-axis translation module 621 to move along the X-axis direction, the second chuck assembly 624 is mounted on the second Z-axis translation module 623, the second chuck assembly 624 is controlled by the second Z-axis translation module 623 to height, and the battery cell on the conveyor belt can be transported into the cell groove of the aluminum plastic film through the second chuck assembly 624;

the first X-axis translation module 611, the first Z-axis translation module 612, the second X-axis translation module 621, the Y-axis translation module 622, and the second Z-axis translation module 623 are translation mechanisms known to those skilled in the art.

As shown in fig. 16, the folding mechanism 4 includes a turnover plate and a fixing plate, a turnover shaft 663 is inserted between the fixing plate and the turnover plate, so that the turnover plate can be turned over the fixing plate, the driving cylinder 664 is mounted on the turntable 63, and the telescopic rod thereof is connected with a rack 665, the rack 665 is provided with a gear 666 engaged with the rack, and the turnover shafts 663 of the two folding mechanisms 4 are respectively connected with two sides of the gear 666.

The packaging station 66 further comprises a guide slide 667 and a guide rail 668, wherein the guide rail 668 is arranged on the top surface of the rack 665 along the length direction of the rack 665, the guide slide 667 is arranged on the guide rail 668, the guide rail 668 is in sliding fit with the guide slide 667, the guide slide 667 is fixedly connected with the turntable 63, and the guide slide 667 and the guide rail 668 are arranged to ensure that the rack 665 does not deviate;

the fixing plate comprises a first placing plate 6611 and a connecting bracket 6612, wherein the connecting bracket 6612 is arranged on the outer side of the first placing plate 6611 and is spaced with the first placing plate 6611 (the other outer side of the first placing plate 6611 is spaced with the driving cylinder 664), and the purpose of designing the spacing is to facilitate the subsequent packaging of the aluminum plastic film by the first upper heat sealing head 641, the first lower heat sealing head 642 or the second upper heat sealing head 651 and the second lower heat sealing head 652, so that the layout is compact and reasonable.

The turnover plate comprises a second placement plate 6621 and a turnover bracket 6622, the second placement plate 6621 is arranged in the turnover bracket 6622, a space exists between two sides of the second placement plate 6621 and the turnover bracket 6622, one end of the turnover bracket 6622 is hinged with the connection, an opening is formed in the other end of the turnover bracket 6622 for installing the turnover shaft 663, the first placement plate 6611 and the second placement plate 6621 are symmetrically arranged and are in clearance fit, a fourth arc-shaped groove and a fifth arc-shaped groove 66211 are formed in the first placement plate 6611 and the second placement plate 6621 respectively, when the driving cylinder 664 drives the rack 665 to act, the gear 666 rotates to drive the turnover bracket 6622 and the second placement plate 6621 to turn over;

the left heat sealing mechanism 64 includes a first driving device, and a first upper heat sealing head 641 and a first lower heat sealing head 642 which are oppositely disposed, the first upper heat sealing head 641 and the first lower heat sealing head 642 are driven by the first driving device to abut against or separate from each other, the first upper heat sealing head 641 is disposed above the left side of the first placement plate 6611, and the first lower heat sealing head 642 is disposed below the left side of the first placement plate 6611;

the right heat sealing mechanism 65 includes a second driving device, and a second upper heat seal head 651 and a second lower heat seal head 652 that are oppositely disposed, the second upper heat seal head 651 and the second lower heat seal head 652 are driven by the second driving device to abut against or separate from each other, the second upper heat seal head 651 is disposed above the right side of the first placement plate 6611, and the second lower heat seal head 652 is disposed below the right side of the first placement plate 6611;

the left heat sealing mechanism 64 and the right heat sealing mechanism 65 have the same structure, except that the heat sealing heads are arranged in opposite positions, i.e. the first upper heat sealing head 641 and the first lower heat sealing head 642 are arranged on the left side, and the second upper heat sealing head 651 and the second lower heat sealing head 652 are arranged on the right side;

specifically, the first driving device and the second driving device may be air cylinders, taking the left heat sealing mechanism 64 as an example, and two air cylinders symmetrically arranged up and down are respectively used for driving the first upper heat sealing head 641 and the first lower heat sealing head 642, and a bracket may be additionally arranged to install the first driving device, so that the right heat sealing mechanism is similar; the heating head of the thermal packaging mechanism needs to be heated by a heating element, and the specific structure is well known to those skilled in the art and is not described in detail herein;

as shown in fig. 8 and 19, the portable electronic device further comprises an electrode clamping mechanism 9, the electrode clamping mechanism 9 is arranged below the second clamping mechanism, the electrode clamping mechanism 9 comprises a mounting plate 91, a first clamping block 92 and a second clamping block 93 which are symmetrically arranged are arranged on the mounting plate 91, a fifth air cylinder 94 and a sixth air cylinder 95 are assembled on the mounting plate 91, the first clamping block 92 is connected with the fifth air cylinder 94, the second clamping block 93 is connected with the sixth air cylinder 95, the portable electronic device further comprises a seventh air cylinder 96, the seventh air cylinder 96 is connected with the mounting plate 91, and the seventh air cylinder 96 drives the mounting plate 91 to reciprocate up and down; the second grabbing mechanism 62 is used for grabbing the battery cell and then conveying the battery cell to the packaging station 66 through the electrode clamping mechanism 9, specifically, the second clamping mechanism can convey the battery cell to the upper portion of the electrode clamping mechanism 9, the seventh air cylinder 96 drives the mounting plate 91 to ascend so that the tab of the battery cell is located between the first clamping block 92 and the second clamping block 93, the fifth air cylinder 94 and the sixth air cylinder 95 respectively drive the first clamping block 92 and the second clamping block 93 to clamp the tab of the battery cell and then loosen, and the electrode clamping mechanism 9 can correct the position of the battery cell and can be additionally provided with a related battery cell testing device to test the battery cell.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.

Claims (4)

1. An plastic-aluminum membrane forming mechanism, characterized by comprising: the device comprises a stamping driving cylinder, a stamping movable die and a stamping fixed die, wherein the stamping driving cylinder drives the stamping movable die so that the stamping movable die is in butt joint or separation with the stamping fixed die, two symmetrically arranged convex parts which are in clearance fit are formed on the stamping fixed die, the top surface of each convex part is an arc surface, and a first arc-shaped groove matched with each convex part is formed on the stamping movable die; the plastic-aluminum film pressing device comprises a pressing part, a feeding mechanism and a pressing part, wherein the pressing part is arranged on the pressing part, and the pressing part is arranged on the pressing part; the film pressing part comprises a film pulling frame, a rotatable transmission shaft and a pressing wheel rotating shaft are arranged on the inner side of the film pulling frame, a sliding groove is formed in the top of the film pulling frame, a sliding block which is in sliding fit with the sliding groove is arranged in the sliding groove, and the pressing wheel rotating shaft is rotatably arranged on the sliding block and is positioned above the transmission shaft; the pressing wheel is coaxially arranged on the pressing wheel rotating shaft, a first air cylinder is further arranged at the top of the film pulling frame, the first air cylinder drives the sliding block to move up and down, the aluminum plastic film is pulled out from the air expansion roller and passes through between the stamping movable die and the stamping fixed die, and finally the aluminum plastic film is tightly pressed on the transmission shaft through the pressing wheel so as to be convenient for stamping and forming.

2. The plastic-aluminum membrane forming mechanism of claim 1, wherein: the feeding frame is provided with a plurality of conveying rollers at different heights, and the conveying rollers are in running fit with the feeding frame.

3. The plastic-aluminum membrane forming mechanism of claim 1, wherein: the side face of the feeder is provided with a first motor, and the first motor is connected with the air-expanding roller and drives the air-expanding roller to rotate.

4. The plastic-aluminum membrane forming mechanism of claim 1, wherein: the side face of the film drawing frame is provided with a second motor, and the second motor is connected with the transmission shaft and drives the transmission shaft to rotate.