CN117485957A - Die cutting and discharging device for power battery protection sheet - Google Patents

Die cutting and discharging device for power battery protection sheet Download PDF

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Publication number
CN117485957A
CN117485957A CN202311431287.9A CN202311431287A CN117485957A CN 117485957 A CN117485957 A CN 117485957A CN 202311431287 A CN202311431287 A CN 202311431287A CN 117485957 A CN117485957 A CN 117485957A
Authority
CN
China
Prior art keywords
raw material
material belt
unreeling
unreeling shaft
butt joint
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202311431287.9A
Other languages
Chinese (zh)
Inventor
王琳
刘树强
罗永锋
黄振波
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shenzhen Boshuo Science And Technology Co ltd
Original Assignee
Shenzhen Boshuo Science And Technology Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shenzhen Boshuo Science And Technology Co ltd filed Critical Shenzhen Boshuo Science And Technology Co ltd
Priority to CN202311431287.9A priority Critical patent/CN117485957A/en
Publication of CN117485957A publication Critical patent/CN117485957A/en
Pending legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H19/00Changing the web roll
    • B65H19/10Changing the web roll in unwinding mechanisms or in connection with unwinding operations
    • B65H19/18Attaching, e.g. pasting, the replacement web to the expiring web
    • B65H19/1805Flying splicing, i.e. the expiring web moving during splicing contact
    • B65H19/1826Flying splicing, i.e. the expiring web moving during splicing contact taking place at a distance from the replacement roll
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H19/00Changing the web roll
    • B65H19/10Changing the web roll in unwinding mechanisms or in connection with unwinding operations
    • B65H19/102Preparing the leading end of the replacement web before splicing operation; Adhesive arrangements on leading end of replacement web; Tabs and adhesive tapes for splicing
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H19/00Changing the web roll
    • B65H19/10Changing the web roll in unwinding mechanisms or in connection with unwinding operations
    • B65H19/20Cutting-off the expiring web
    • 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

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  • Replacement Of Web Rolls (AREA)

Abstract

The invention discloses a die cutting and discharging device for a protective sheet of a power battery, which relates to the technical field of die cutting equipment discharging, and comprises a frame and further comprises: unreeling shaft installed in the frame and provided with automatic online induction unreeling; the driving roller assembly guides and tightens the raw material belt unreeled by the unreeling shaft; the material pulling component is arranged side by side with the rack, pulls the raw material belt unreeled by the unreeling shaft, and is matched with unreeling of the unreeling shaft; and after the reel is replaced, the butt joint assembly is used for butt-jointing the head end and the tail end of the new raw material belt so that the new raw material belt can be conveyed along with the old raw material belt. According to the invention, the head ends and the tail ends of the new raw material belts are butted through the butt joint assembly, so that the new raw material belts can be conveyed along with the old raw material belts, the downtime can be reduced, the time for manually winding the raw material belts around the assembly such as the conveying roller and the like is saved, and the time wasted by integrally replacing the unreeling shaft is saved.

Description

Die cutting and discharging device for power battery protection sheet
Technical Field
The invention relates to the technical field of die cutting equipment discharging, in particular to a die cutting and discharging device for a protective sheet of a power battery.
Background
The protective sheet of the power battery has excellent heat resistance and protective function, is widely applied to the safety protection of the new energy battery pack, and generally comprises PET sheets, foam, protective films or mica sheets and the like.
When die cutting is carried out on large-size mica, the mica raw material is generally unreeled by utilizing a discharging device, and the mica raw material is conveyed by matching with a material pulling device and a conveying roller, so that the following procedures of attaching, die cutting, waste shaking and the like are completed.
At present, the existing discharging device is provided with a feeding device for replacing a discharging shaft, but after the discharging is finished and a new discharging shaft is replaced, a section of raw material needs to be pulled out first in a manual mode, and is wound around a conveying roller and a tensioning roller in the middle, and then the raw material can be in butt joint with the discharging device, so that the whole process is affected.
Disclosure of Invention
The invention aims to provide a die cutting and discharging device for a protective sheet of a power battery, which aims to solve at least one technical problem in the prior art.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a power battery protection sheet cross cutting blowing device, includes the frame, still includes:
unreeling shaft installed in the frame and provided with automatic online induction unreeling;
the driving roller assembly guides and tightens the raw material belt unreeled by the unreeling shaft;
the material pulling component is arranged side by side with the rack, pulls the raw material belt unreeled by the unreeling shaft, and is matched with unreeling of the unreeling shaft;
and after the reel is replaced, the butt joint assembly is used for butt-jointing the head end and the tail end of the new raw material belt so that the new raw material belt can be conveyed along with the old raw material belt.
Preferably, the material pulling component comprises a front-end feeding device and a rear-end material pulling device, wherein the front-end feeding device and the rear-end material pulling device are both provided with a circulating conveying belt device, and a die cutting machine is arranged between the front-end feeding device and the rear-end material pulling device.
Preferably, the driving roller assembly comprises regulating rollers which are rotatably arranged between unreeling shafts side by side, and the raw material belt unreeled by the unreeling shafts winds around the regulating rollers and passes through the regulating rollers in an S shape;
still include adjusting part, adjusting part includes a plurality of adjustment tanks of seting up at the frame inner wall, just the adjustment tank is corresponding with each other spaced dancer roll, the electric slider that can vertical slip is adjusted is installed to the inner wall of adjustment tank, corresponds the dancer roll rotation is installed on electric slider, when the online raw materials unreels to the surplus value of sensing on the unreeling axle, unreeling axle unreels speed is fast, simultaneously electric slider adjusts upwards one by one, works as after unreeling axle unreels, electric slider adjusts downwards one by one, and in the regulation process from top to bottom, draws the material speed of material subassembly and keeps unchanged.
Preferably, the docking assembly comprises a docking platform fixed between the frames, the docking platform is positioned between the unreeling shaft and the regulating roller, positioning rollers are rotatably arranged on the inner walls of the frames positioned on two sides of the docking platform, a pressing bar capable of moving vertically is arranged on the inner walls of the frames positioned above the docking platform, and after all the electric sliding blocks are adjusted upwards, the pressing bar moves downwards and extrudes and fixes the raw material belt;
the splicing assembly is used for splicing and attaching the raw material belt of the new reel and the raw material belt on the butt-joint platform.
Preferably, the bonding assembly comprises an elastic telescopic rod which is arranged above the butt joint platform and can swing reciprocally, an installation frame is arranged on the inner wall of the opposite surface of the frame in a horizontal sliding mode, three sliding blocks are vertically arranged on the inner wall of the installation frame in a sliding mode, springs are arranged between the sliding blocks and between the lower sliding blocks and the inner bottom of the installation frame respectively, the telescopic end of the elastic telescopic rod is rotationally connected with the sliding blocks above, butt joint rollers are rotationally arranged between the sliding blocks below and in the middle and the opposite sliding blocks respectively, and glue spreading rollers are rotationally arranged on the outer walls of the sliding blocks through extension plates.
Preferably, the outer walls of the two mounting frames are also provided with cutters for cutting the raw material strips on the docking platform together, and the cutters can move vertically and are controlled by electric power.
Preferably, the inner wall of the frame is provided with a disc capable of rotating at a uniform speed, the outer wall of the frame is provided with a servo motor for driving the disc to rotate, the outer wall of the tube of the elastic telescopic rod is provided with a long groove, and the outer wall of the disc far away from the center of the circle is fixedly provided with a pin block in sliding connection with the long groove.
Preferably, the cutter cooperates with the edge portion of the docking platform to cut the raw material strip.
Preferably, the new raw material tape is attached to the old raw material tape when the new raw material tape is adhered.
Preferably, the frame is kept away from the position of unreeling shaft and is installed two pay-off laminating rollers, pay-off laminating roller passes through the regulation cylinder and controls the material thickness that passes through, and the biggest material thickness that passes through is 50mm, the regulation cylinder is connected with the area digital display manometer that can the reading.
Compared with the prior art, the invention has the following beneficial effects:
according to the invention, the head ends and the tail ends of the new raw material belt and the old raw material belt are butted through the butting assembly, so that the new raw material belt L2 can be conveyed along with the old raw material belt L1, thus not only can the downtime be reduced, but also the time for manually bypassing the components such as the conveying roller and the like by the raw material belt is saved, the time wasted by integrally replacing the unreeling shaft is saved, and the overall working efficiency is improved.
Drawings
FIG. 1 is a layout of the present invention with a front end feeder, die cutter and rear end draw;
FIG. 2 is a top perspective view of the present invention;
FIG. 3 is a bottom perspective view of the present invention;
FIG. 4 is a left side view of the present invention;
FIG. 5 is a cross-sectional view taken along line A-A of FIG. 4 in accordance with the present invention;
FIG. 6 is a state diagram of the unreeling reel at the view angle of FIG. 5 in normal unreeling according to the present invention;
FIG. 7 is a perspective view, partially in section, and partially enlarged, of the mounting frame and structure thereon of the present invention;
FIG. 8 is an enlarged view of the applicator of FIG. 7 with the applicator roll removed in accordance with the present invention;
FIG. 9 is an enlarged view of a portion of the docking process of the present invention;
FIG. 10 is a schematic illustration of the structure of the docking process of the present invention;
fig. 11 is an enlarged exploded perspective view of the disc and the elastic expansion link of the present invention.
In the figure: 1. a frame; 2. a reel is unreeled; 3. a servo tension discharging shaft; 4. a feeding laminating roller; 5. adjusting a cylinder; 6. a digital display pressure gauge is arranged; 7. an adjusting roller; 8. a docking platform; 9. an adjustment tank; 10. an electric slide block; 11. a positioning roller; 12. pressing strips; 13. a disc; 14. an elastic telescopic rod; 15. a long groove; 16. a pin block; 17. a mounting frame; 18. a slide block; 19. a spring; 20. a butt-joint roller; 21. a cutter; 22. an extension plate; 23. a glue spreading roller; 24. a front end feeding device; 25. a die cutting machine; 26. a rear end material pulling device; l1, an old raw material belt; l2, new raw material belt.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1 to 11, the present invention provides a technical solution: the utility model provides a power battery protection sheet cross cutting blowing device, includes frame 1, still includes:
a unreeling shaft 2 mounted in the frame 1 and provided with an automatic online induction unreeling;
the driving roller assembly guides and tightens the raw material belt unreeled by the unreeling shaft 2;
the material pulling component is arranged side by side with the frame 1, pulls the raw material belt unreeled by the unreeling shaft 2, and is matched with unreeling of the unreeling shaft 2;
and after the unreeling shaft 2 is replaced, the butt joint assembly carries out butt joint on the head end and the tail end of the new raw material belt L2 so that the new raw material belt L2 can be conveyed along with the old raw material belt L1.
In the processing procedure of the power battery protective sheet, the raw material belt is required to be unreeled from the unreeling shaft 2, then the raw material belt is subjected to subsequent procedures such as laminating, die cutting and the like, in the unreeling process of the raw material belt, the raw material belt is connected with a material pulling component after a part of the raw material belt is pulled out, then the unreeling speed of the unreeling shaft 2 is controlled through automatic online induction, and the material pulling function of the raw material belt is matched with the material pulling component to finish the conveying function of the raw material belt, so that the subsequent procedures are finished;
at present, most of the frames 1 are provided with automatic feeding devices, namely the unreeling shaft 2 can be replaced after unreeling, but after the new unreeling shaft 2 is replaced, raw material belts still need to be pulled out and then are connected with the pulling assembly again through manual modes and the like after bypassing the driving roller assembly, so that the normal transmission conveying function can be realized, the frames are started after stopping for a period of time after the new unreeling shaft 2 is replaced, the whole process is affected, and therefore, after the unreeling shaft 2 is replaced, the head end and the tail end of the new raw material belts are butted through the butt joint assembly, so that the new raw material belts L2 can be conveyed along with the old raw material belts L1, the time of stopping can be reduced, the time for manually bypassing the assemblies such as the conveying roller is saved, the time wasted by integrally replacing the unreeling shaft 2 is saved, and the whole working efficiency is improved.
In one preferred embodiment, the material pulling assembly comprises a front end feeding device 24 and a rear end material pulling device 26, wherein the front end feeding device 24 and the rear end material pulling device 26 are respectively provided with a circulating conveyer belt device, and a die cutting machine 25 is arranged between the front end feeding device 24 and the rear end material pulling device 26.
The material pulling assembly is provided with a front-end feeding device 24 and a rear-end material pulling device 26 so as to facilitate stable and uniform conveying of the raw material strips after being unreeled from the unreeling shaft 2, and meanwhile, relatively uniform stress of the raw material strips in all parts in the conveying process is improved.
In one of the preferred embodiments, the driving roller assembly comprises a regulating roller 7 rotatably installed between the unreeling shafts 2 side by side, and the raw material belt unreeled by the unreeling shafts 2 is wound around the regulating roller 7 and passes through in an S shape;
still include adjusting part, adjusting part includes a plurality of adjustment grooves 9 of seting up at frame 1 inner wall, and adjustment groove 9 is corresponding with the dancer roll 7 of mutual interval, the electric slider 10 that can vertical slip is adjusted is installed to the inner wall of adjustment groove 9, the dancer roll 7 that corresponds rotates and installs on electric slider 10, when online sensing unreel the epaxial raw materials of unreeling 2 and unreel to the surplus value, unreel the axle 2 unreel speed and become fast, electric slider 10 adjusts upward one by one simultaneously, after unreel 2 unreels and end, electric slider 10 adjusts downward one by one, and in the regulation process from top to bottom, draw the material speed of material subassembly and remain unchanged.
The driving roller assembly can be particularly seen in fig. 5 and 6, and the raw material belt passes through the adjusting rollers 7 during the conveying process of the raw material belt, and the guiding and tensioning functions are realized as shown in fig. 6;
during unreeling, when the unreeling shaft 2 senses that the raw material belt on the unreeling shaft 2 is about to be unreeled and reaches a residual value, the unreeling speed of the unreeling shaft 2 is accelerated at the moment, meanwhile, the electric sliding block 10 starts to move upwards for adjustment, and the raw material belt is lifted upwards through the adjusting roller 7 arranged on the electric sliding block 10, so that the upward movement adjustment of the electric sliding block 10 can prestore more raw material belts discharged by the unreeling shaft 2 under the condition that the pulling speed of the pulling assembly is unchanged, namely the raw material belts are stored between the adjusting rollers 7, as shown in fig. 5, wherein the electric sliding block 10 is preferably adjusted upwards sequentially from back to front;
then after the last electric sliding block 10 is regulated, the unreeling shaft 2 is stopped, then the first electric sliding block 10 starts to move downwards to be regulated so as to convey the pre-stored raw material belts by matching with the material pulling component, and the electric sliding blocks 10 are also regulated downwards one by one in sequence, so that the time for replacing the unreeling shaft 2 can be provided for the pre-storing of the raw material belts through the regulating roller 7 until the unreeling shaft 2 is replaced well, and after the head end and the tail end of the new and old raw material belts are butted through the butting component, the newly replaced unreeling shaft 2 can be normally unreeled;
therefore, the machine does not need to be stopped when the unreeling shaft 2 is replaced, so that the normal operation of the subsequent process is ensured, and the overall working efficiency is improved.
In one preferred embodiment, a docking assembly is provided;
the butt joint assembly comprises a butt joint platform 8 fixed between the frames 1, the butt joint platform 8 is positioned between the unreeling shaft 2 and the regulating rollers 7, positioning rollers 11 are rotatably arranged on the inner walls of the frames 1 positioned on two sides of the butt joint platform 8, a pressing strip 12 capable of vertically moving is arranged on the inner wall of the frames 1 positioned above the butt joint platform 8, and after all the electric sliding blocks 10 are adjusted upwards, the pressing strip 12 moves downwards and extrudes and fixes the raw material belt;
and the device also comprises an adhesive component which is used for adhering and attaching the raw material belt of the new reel 2 with the raw material belt on the docking platform 8.
Referring specifically to fig. 5, in general, the raw material belt and the unreeling shaft 2 are fixed by means of a mounting joint, so that the raw material belt is not directly separated from the unreeling shaft 2 after the unreeling shaft 2 stops unreeling, and the raw material belt is prevented from directly loosening due to the loss of tension;
however, when the unreeling shaft 2 is replaced, the raw material belt and the unreeling shaft 2 are firstly released and separated from the unreeling shaft 2, so that in order to avoid loosening of the raw material belt wound on the regulating roller 7, after the electric sliding blocks 10 are fully adjusted upwards, the pressing bar 12 moves downwards to press and fix the raw material belt on the lower butt-joint platform 8, and the pressing bar 12 can be directly controlled by adopting an air cylinder or other electric telescopic cylinders;
after the raw material belt is extruded and fixed, the unreeling shaft 2 can be replaced, and a section of new raw material belt L2 is pulled out of the newly replaced unreeling shaft 2, so that the newly replaced unreeling shaft 2 bypasses the left positioning roller 11 and is bonded and attached with the old raw material belt L1 on the docking platform 8 through the bonding assembly, the raw material belt pre-stored by the adjusting roller 7 can be directly pulled out together after being completely discharged, the aim of automatically replacing and docking is achieved, and meanwhile, the docking machine is not required to be stopped any more.
In one preferred embodiment, a specific implementation of an adhesive assembly is provided, see in particular FIGS. 6-10;
the bonding assembly comprises an elastic telescopic rod 14 which is arranged above a butt joint platform 8 and can swing reciprocally, an installation frame 17 is horizontally and slidably arranged on the inner wall of the opposite surface of the frame 1, three sliding blocks 18 are vertically and slidably arranged on the inner wall of the installation frame 17, springs 19 are arranged between the three sliding blocks 18 and between the lower sliding blocks 18 and the inner bottom of the installation frame 17, the telescopic end of the elastic telescopic rod 14 is rotationally connected with the sliding blocks 18 above, a butt joint roller 20 is rotationally arranged between the sliding blocks 18 below and in the middle and the opposite sliding blocks 18, and a glue spreading roller 23 is rotationally arranged on the outer wall of the sliding blocks 18 in the middle through an extension plate 22.
In order to make the adhesion of the new raw material belt and the old raw material belt tighter, and make the edges of both sides of the new raw material belt and the old raw material belt flush, so as to avoid the phenomenon of pulling the new raw material belt L2 sideways, after the old raw material belt L1 is pressed by the pressing bar 12, under the drive of an external structure, the elastic telescopic rod 14 starts to swing in a direction far away from the pressing bar 12, and when the elastic telescopic rod swings, the upper sliding block 18 drives the mounting frame 17 to move horizontally, the sliding block 18 applies downward acting force, compresses the springs 19 between the sliding blocks 18, so that the butt-joint roller 20 arranged on the lower sliding block 18 is attached to the old raw material belt L1 on the butt-joint platform 8, and smoothes the old raw material belt L1, and simultaneously the middle sliding block 18 can make the glue-coating roller 23 contact with the old raw material belt L1 in the pressing process, and glue is coated on the surface of the rubber-coating roller 23 along with the rolling until the mounting frame 17 slides to the leftmost side to stop;
at this time, after the new replaced unreeling shaft 2 is pulled out of the new raw material belt L2, the new raw material belt L2 is wound on the two butt-joint rollers 20, as shown in fig. 10, at this time, the elastic telescopic rod 14 starts to reset and swing, the new raw material belt L2 between the butt-joint rollers 20 and the unreeling shaft 2 is straightened in the process of pulling along with the two butt-joint rollers 20 while the installation frame 17 resets, after the new raw material belt L2 wound on the butt-joint rollers 20 is straightened, the new raw material belt L2 is attached to the old raw material belt L1 along with the rotation of the butt-joint rollers 20 below, and is tightly adhered with the old raw material belt L1 under the rolling pressure of the butt-joint rollers 20, so that the butt-joint process of the new raw material belt and the old raw material belt is completed;
it should be noted that, the edge of the butt-joint roller 20 is provided with an annular convex edge, so that the width of the butt-joint roller 20 is the same as that of the new raw material belt L2, when the butt-joint roller 20 moves and tears down the new raw material belt L2 wound on the butt-joint roller, the new raw material belt L2 can be slightly corrected through the self toughness of the new raw material belt L2, when the butt-joint roller is attached to the old raw material belt L1, two sides of the butt-joint roller can be aligned, the phenomenon of deviation is avoided, and further the normal operation of the subsequent working procedures is ensured.
And, when the mounting frame 17 is in a state of both sides, since the elastic force of the spring 19 between the sliders 18 can overcome the downward component force applied thereto by the elastic telescopic rod 14, the glue roller 23 mounted on the middle slider 18 does not come into contact with the raw material tape to prevent the adhesive from being applied to the raw material tape at other positions.
In one of the preferred embodiments, the outer walls of the two mounting frames 17 are also commonly provided with a cutter 21 for cutting the raw material strip on the docking platform 8, and the cutter 21 can move vertically and is electrically controlled.
In order to avoid the occurrence of excessive material strips in the old material strip L1, the material strip outside the docking station 8 is cut by the cutter 21 after the mounting frame 17 is stopped sliding sideways to the left.
In one preferred embodiment, an embodiment is provided for driving the resilient telescopic rod 14 to oscillate reciprocally;
the inner wall of the frame 1 is provided with a disc 13 which can rotate at a uniform speed, the outer wall of the frame 1 is provided with a servo motor for driving the disc 13 to rotate, the outer wall of the tube of the elastic telescopic rod 14 is provided with a long groove 15, and the outer wall of the disc 13 far away from the circle center is fixedly provided with a pin block 16 which is in sliding connection with the long groove 15.
Referring to fig. 9 and 11, the crank block structure formed by the above structure is utilized to drive the elastic telescopic rod 14 to swing reciprocally, and the quick return characteristic of the crank block structure is utilized to accelerate the elastic telescopic rod 14 when driving the installation frame 17 to move in a resetting manner, so that the moving speed of the sliding block 18 and the butt roller 20 is accelerated, and the tightening and deviation rectifying of the new raw material belt L2 are facilitated.
In one of the preferred embodiments, the cutter 21 cooperates with the edge portion of the docking station 8 to cut the strip of material.
The raw material strip may be cut by being fitted to the edge portion of the docking platform 8, or may be cut at a position slightly behind the middle of the docking platform 8.
In one preferred embodiment, the new and old stock strips are adhered, with the new stock strip L2 being attached to the top of the old stock strip L1.
Referring to fig. 5 to 6, since the raw material strip is pulled upward when the subsequent regulating roller 7 is pulled out, the old raw material strip L1 is wrapped on the inner side close to the regulating roller 7 when passing through the last regulating roller 7, and thus the separation phenomenon of the two at the position with larger bending angle can be prevented until the old raw material strip L1 can be pulled out of the frame 1.
In one preferred embodiment, two feeding laminating rollers 4 are installed at positions of the frame 1 far away from the unreeling shaft 2, the feeding laminating rollers 4 control the material passing thickness through an adjusting cylinder 5, the maximum material passing thickness is 50mm, and the adjusting cylinder 5 is connected with a digital display pressure gauge 6 capable of reading.
Because the raw material roll has the working procedures of laminating, die cutting and the like after unreeling, the feeding laminating roller 4 can be arranged, and meanwhile, when the new raw material belt L2 passes through the feeding laminating roller 4, the overlapped part of the new raw material belt and the old raw material belt can be thicker, so that whether the new raw material belt L2 is pulled out or not can be intuitively detected through the belt digital display pressure gauge 6, and then the subsequent treatment is carried out.
The standard components used in the present embodiment may be purchased directly from the market, and the nonstandard structural components according to the descriptions of the specification and the drawings may also be obtained directly by unambiguous processing according to the common general knowledge in the prior art, and meanwhile, the connection manner of each component adopts the conventional means mature in the prior art, and the machinery, the components and the equipment all adopt the conventional types in the prior art, so that the specific description will not be made here.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (10)

1. The utility model provides a power battery protection sheet cross cutting blowing device, includes frame (1), its characterized in that still includes:
an unreeling shaft (2) which is arranged in the rack (1) and provided with automatic online induction unreeling;
the driving roller assembly is used for guiding and tensioning the raw material belt unreeled by the unreeling shaft (2);
the material pulling component is arranged side by side with the frame (1), pulls the raw material belt unreeled by the unreeling shaft (2), and is matched with unreeling of the unreeling shaft (2);
and after the reel (2) is replaced, the butt joint assembly carries out butt joint on the head end and the tail end of the new raw material belt so that the new raw material belt (L2) can be conveyed along with the old raw material belt (L1).
2. The power cell protective sheet die cut blanking device of claim 1, wherein: the material pulling assembly comprises a front-end feeding device (24) and a rear-end material pulling device (26), wherein the front-end feeding device (24) and the rear-end material pulling device (26) are both provided with circulating conveying belt devices, and a die cutting machine (25) is arranged between the front-end feeding device (24) and the rear-end material pulling device (26).
3. The power cell protective sheet die cut blanking device of claim 1, wherein: the driving roller assembly comprises regulating rollers (7) which are rotatably arranged between the unreeling shafts (2) side by side, and raw material strips unreeled by the unreeling shafts (2) are wound on the regulating rollers (7) and pass through the regulating rollers in an S shape;
still include adjusting part, adjusting part includes a plurality of adjustment tank (9) of seting up at frame (1) inner wall, just adjustment tank (9) are corresponding with each other spaced dancer roll (7), electric slider (10) that can vertical slip is adjusted are installed to the inner wall of adjustment tank (9), and corresponding dancer roll (7) rotate and install on electric slider (10), when on-line sensing unreel spool (2) go up raw materials unreel to the surplus value, unreel spool (2) unreel speed is fast, simultaneously electric slider (10) up-regulate one by one, works as unreel spool (2) unreel after, electric slider (10) down-regulate one by one, and in the regulation process from top to bottom, draw the material speed of material subassembly keeps unchanged.
4. The power cell protective sheet die cut blanking device of claim 3, wherein: the butt joint assembly comprises a butt joint platform (8) fixed between the frames (1), the butt joint platform (8) is positioned between the unreeling shaft (2) and the regulating roller (7), positioning rollers (11) are rotatably arranged on the inner walls of the frames (1) positioned on two sides of the butt joint platform (8), a pressing strip (12) capable of vertically moving is arranged on the inner walls of the frames (1) positioned above the butt joint platform (8), and after all the electric sliding blocks (10) are adjusted upwards, the pressing strip (12) moves downwards and extrudes and fixes a raw material belt;
the device also comprises an adhesive component which is used for adhering and attaching the raw material belt of the new reel (2) with the raw material belt on the butt-joint platform (8).
5. The power cell protective sheet die cut blanking device of claim 4, wherein: the bonding assembly comprises an elastic telescopic rod (14) which is arranged above a butt joint platform (8) and can swing back and forth, an installation frame (17) is horizontally and slidably arranged on the inner wall of the opposite surface of the frame (1), three sliding blocks (18) are vertically and slidably arranged on the inner wall of the installation frame (17), springs (19) are arranged between the sliding blocks (18) and between the lower sliding blocks (18) and the inner bottom of the installation frame (17), the telescopic end of the elastic telescopic rod (14) is rotationally connected with the sliding blocks (18) above, butt joint rollers (20) are rotationally arranged between the sliding blocks (18) below and in the middle and the opposite sliding blocks (18), and glue spreading rollers (23) are rotationally arranged on the outer wall of the sliding blocks (18) through extension plates (22).
6. The power cell protective sheet die cut blanking device of claim 5, wherein: the outer walls of the two mounting frames (17) are also provided with cutters (21) for cutting the raw material strips on the butt-joint platform (8) together, and the cutters (21) can move vertically and are controlled by electric power.
7. The power cell protective sheet die cut blanking device of claim 5, wherein: the inner wall of the frame (1) is provided with a disc (13) capable of rotating at a uniform speed, the outer wall of the frame (1) is provided with a servo motor for driving the disc (13) to rotate, the outer wall of a tube of the elastic telescopic rod (14) is provided with a long groove (15), and the outer wall of the disc (13) far away from the circle center is fixedly provided with a pin block (16) which is in sliding connection with the long groove (15).
8. The power cell protective sheet die cut blanking device of claim 6, wherein: the cutter (21) is matched with the edge part of the butt joint platform (8) to cut the raw material belt.
9. The power cell protective sheet die cut blanking device of any of claims 1-8, wherein: when the new and old raw material strips are bonded, the new raw material strip (L2) is attached to the upper surface of the old raw material strip (L1).
10. The power cell protective sheet die cut blanking device of any of claims 1-8, wherein: the feeding laminating roller (4) is arranged at the position, far away from the unreeling shaft (2), of the rack (1), the feeding laminating roller (4) controls the thickness of the passing material through an adjusting cylinder (5), the maximum thickness of the passing material is 50mm, and the adjusting cylinder (5) is connected with a digital display pressure gauge (6) capable of reading.
CN202311431287.9A 2023-10-31 2023-10-31 Die cutting and discharging device for power battery protection sheet Pending CN117485957A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202311431287.9A CN117485957A (en) 2023-10-31 2023-10-31 Die cutting and discharging device for power battery protection sheet

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202311431287.9A CN117485957A (en) 2023-10-31 2023-10-31 Die cutting and discharging device for power battery protection sheet

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CN117485957A true CN117485957A (en) 2024-02-02

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Application Number Title Priority Date Filing Date
CN202311431287.9A Pending CN117485957A (en) 2023-10-31 2023-10-31 Die cutting and discharging device for power battery protection sheet

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN118164299A (en) * 2024-05-10 2024-06-11 安徽理士新能源发展有限公司 Die cutting and feeding device and feeding method for lithium battery pole piece

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN118164299A (en) * 2024-05-10 2024-06-11 安徽理士新能源发展有限公司 Die cutting and feeding device and feeding method for lithium battery pole piece

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