CN217498125U

CN217498125U - Film feeding device for film wrapping equipment

Info

Publication number: CN217498125U
Application number: CN202221098370.XU
Authority: CN
Inventors: 李军利; 何建军; 晏才维; 张国平; 李成坤
Original assignee: Shenzhen Yuchen Intelligent Equipment Co Ltd
Current assignee: Shenzhen Yuchen Intelligent Equipment Co Ltd
Priority date: 2022-05-09
Filing date: 2022-05-09
Publication date: 2022-09-27
Anticipated expiration: 2032-05-09

Abstract

The application belongs to the technical field of battery manufacturing equipment, and relates to a film conveying device for coating equipment. The film feeding device comprises two film feeding mechanisms, the two film feeding mechanisms are positioned on the same side of a film sticking channel for sticking an insulating film to a bare material, and the two film feeding mechanisms are arranged in an up-and-down symmetrical mode by using the center line of an inlet of the film sticking channel; the film feeding mechanism comprises a film pulling part and a film placing part, the film pulling part comprises a film pulling rod, and the film pulling rod is used for adhering a film head of an insulating film; the film drawing rods positioned above/below can also move up/down to remove the film and continue to glue the film so as to prepare the next film drawing; the film placing component is used for providing an insulating film for the film pulling component. Two film feeding mechanisms are used for alternately conveying insulating films for bare materials so as to improve film feeding efficiency and film sticking and enveloping efficiency.

Description

Film feeding device for film wrapping equipment

Technical Field

The application belongs to the technical field of battery manufacturing equipment, and particularly relates to a film feeding device for coating equipment.

Background

The hard-shell secondary battery such as a square aluminum-shell lithium battery is mainly applied to a new energy automobile, and an insulating film is required to be attached and wrapped outside a bare cell in the manufacturing process of the square aluminum-shell lithium battery so as to play a role in electrical isolation. The basic principle of the coating equipment is that the insulating film and the bare cell are positioned and sent to a film sticking channel of a film sticking device at the same time, and the insulating film is gradually stuck to the surface of the bare cell in a line-to-surface mode. In the prior art, a single reciprocating film conveying device is generally adopted to convey the film for the bare cell, but after the film conveying device conveys the insulating film for one bare cell, only one film conveying device needs to wait for returning to a film conveying starting point to convey the film again, and a film adhering channel is idle in the period of time, so that the film conveying method is low in efficiency.

SUMMERY OF THE UTILITY MODEL

An object of the embodiment of the application is to provide a film feeding device for a coating device, and the technical problem that in the prior art, a single reciprocating film feeding device is low in film feeding efficiency is solved.

In order to achieve the above object, according to one aspect of the present application, there is provided a film feeding device for a coating apparatus, the film feeding device including two film feeding mechanisms, the two film feeding mechanisms being located at the same side of a film pasting channel for pasting an insulating film onto a bare material, the two film feeding mechanisms being arranged vertically symmetrically with respect to a center line of an inlet of the film pasting channel; the film feeding mechanism comprises a film pulling part and a film placing part, the film pulling part comprises a film pulling rod, and the film pulling rod is used for adhering a film head of an insulating film on the periphery; the film drawing rod positioned above can drive the film head of the insulating film to move downwards in the vicinity of the front of the inlet of the film sticking channel, so that the insulating film inclines towards the inlet of the film sticking channel in the vertical direction and is blocked in front of the inlet of the film sticking channel to prepare film sticking, and the film drawing rod positioned above can also move upwards to remove the film and continue to glue the film to prepare the next film drawing; the lower film pulling rod can drive the film head of the insulating film to move upwards in the vicinity of the front of the inlet of the film sticking channel, so that the insulating film inclines towards the inlet of the film sticking channel in the vertical direction and is blocked in front of the inlet of the film sticking channel to prepare film sticking; the film placing component is used for providing an insulating film for the film pulling component; the two film conveying mechanisms are used for alternately conveying insulating films for the bare materials in turn.

Optionally, the film feeding mechanism further comprises a film drawing support, the film drawing support comprises two opposite vertical film drawing support vertical plates, and the film drawing support vertical plate of the film feeding mechanism positioned above and the film drawing support vertical plate of the film feeding mechanism positioned below are integrated; the film drawing support vertical plate of the film feeding mechanism positioned below is fixed on the frame, and the two film drawing supports are respectively used for arranging two film drawing parts.

Optionally, the film drawing part further comprises two film drawing sliding plates and a film drawing driving system, and the two film drawing sliding plates are respectively arranged on the outer side surfaces of the two film drawing support vertical plates in a sliding manner along the vertical direction; two draw the membrane slide to be connected with the both ends of drawing the membrane pole respectively, draw the output and two of membrane actuating system to draw the membrane slide drive to be connected to two draw membrane slides to drive two and draw membrane slide racks and draw membrane pole and near on the department and reciprocate before the entry of pad pasting passageway.

Optionally, the film drawing driving system comprises a driving piece, a transmission shaft, two first driving wheels, two second driving wheels, two driving belts and two driving belt buckles, the driving piece is in driving connection with the transmission shaft to drive the transmission shaft to rotate, two ends of the transmission shaft respectively penetrate through the two film drawing support vertical plates, and the two first driving wheels are respectively fixed at two ends of the transmission shaft; the two second driving wheels are respectively arranged on the outer surfaces of the two film drawing support vertical plates and are positioned on one side of the first driving wheel; the transmission belt is respectively meshed with the first transmission wheel and the second transmission wheel, and a transmission belt buckle is fixedly connected with the transmission belt and fixedly connected with the film drawing sliding plate; the driving piece drives the transmission shaft to rotate so as to drive the two first transmission wheels to rotate simultaneously, the two first transmission wheels respectively drive the two transmission belts to rotate in the same direction simultaneously, and the two transmission belts respectively drive the two transmission belt buckles and the two film drawing sliding plates to move in the same direction simultaneously.

Optionally, the film drawing part further comprises two lifting assemblies, and the two lifting assemblies are respectively arranged on the two film drawing sliding plates; lifting unit includes lifting slide and lifting slide driving piece, and lifting slide slides along vertical direction and sets up on drawing the membrane slide for erect the drawing membrane pole, the lifting slide driving piece is fixed on drawing the membrane slide, and is connected with the lifting slide drive, goes up and down along vertical direction with drawing the membrane pole with the drive lifting slide.

Optionally, the film drawing component further comprises two translation assemblies, and the two translation assemblies are respectively arranged on the two lifting sliding plates; the translation subassembly includes translation slide, translation slide driving piece and pull rod seat, and the translation slide slides along the horizontal direction and sets up on lifting slide, and the pull rod seat is fixed on translation slide for rotate and support the drawing membrane pole, and translation slide driving piece is fixed on lifting slide, and is connected with the translation slide drive, with drive translation slide and drawing membrane pole along horizontal direction reciprocating motion.

Optionally, the film placing part is positioned on one side of the film pulling part; the film releasing component comprises a film releasing support, a film releasing roller and a film collecting roller, the film releasing support is arranged on the frame, and the film releasing roller and the film collecting roller are both arranged on the film releasing support; the film placing roller is used for supporting a coiled material of a double-layer film, the double-layer film comprises an insulating film and a release film, and the insulating film is pulled by the film pulling rod so as to separate the insulating film from the release film; receive the membrane roller and can rotate to curl up from type membrane to collect from type membrane.

Optionally, the film placing component further comprises a film placing roller group and a film placing tensioning assembly, and the film placing roller group and the film placing tensioning assembly are both arranged on the film placing support; put the membrane and cross the roller set and set up in the drawing of film pole and put between the membrane roller, put the membrane and cross the roller set and include that many put the membrane and cross the roller for erect the insulating film, put membrane tensioning assembly and set up in a plurality of putting between the membrane crosses the roller, with the tensile force of adjusting the insulating film.

Optionally, the film releasing component further comprises a film collecting roller group and a film collecting tensioning component, and the film collecting roller group and the film collecting tensioning component are both arranged on the film releasing support; the film collecting roller group is arranged between the film placing roller and the film collecting roller and comprises a plurality of film collecting rollers for erecting release films; receive membrane tensioning assembly and set up between a plurality of receipts membrane roller to adjust the tensile force from type membrane.

Optionally, the film placing part further comprises a deviation rectifying mechanism, the deviation rectifying mechanism comprises a slide rail, a slide block and a deviation rectifying driving part, the slide rail is horizontally and fixedly connected to the rack, the slide block is horizontally and fixedly connected to the bottom surface, facing the rack, of the film placing support, and the slide block is slidably arranged on the slide rail; the deviation rectifying driving part is fixed on the rack, the movable end of the deviation rectifying driving part is fixedly connected with the film releasing support, and the deviation rectifying driving part is used for driving the film releasing support to slide along the length direction of the sliding rail through the sliding block so as to correct the position of the insulating film according to an external electrical control instruction.

The application provides a diolame equipment lies in with sending membrane device's beneficial effect: compared with the prior art, in the application, in the face of continuous bare materials, one of the two film conveying mechanisms conveys the insulating film for one bare material, so that the bare materials are subjected to U-shaped film pasting or film clip; another send membrane mechanism to follow closely and carry the insulating film for another naked material behind this naked material to make naked material realize U type pad pasting or circle shape pad pasting, and then finally make the naked material can be one by one sent the membrane in succession. Two film feeding mechanisms are arranged, so that insulating films can be alternately conveyed for bare materials, and the film feeding efficiency and the film sticking efficiency are greatly improved.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.

Fig. 1 is a schematic structural diagram of a film feeding device for a film wrapping apparatus provided in an embodiment of the present application;

FIG. 2 is a schematic structural diagram of a bare material provided in an embodiment of the present application;

FIG. 3 is a schematic structural diagram of an insulating film attached to an outer surface of a bare material according to an embodiment of the present disclosure;

FIG. 4 is a schematic structural diagram of a film drawing member provided in an embodiment of the present application;

FIG. 5 is a schematic view of a tie rod connected to a film head of an insulating film adhered to a bare material according to an embodiment of the present disclosure;

FIG. 6 is a schematic diagram of the tie bar and the insulating film being reconnected according to the embodiment of the present application;

FIG. 7 is a schematic structural diagram of a lift assembly and a translation assembly provided by an embodiment of the present application;

FIG. 8 is a schematic structural diagram of a front side of a film releasing component according to an embodiment of the present disclosure;

fig. 9 is a schematic structural diagram of an opposite side of the film releasing component according to an embodiment of the present application.

Reference numerals referred to in the above figures are detailed below:

100. a film drawing component; 110. a film pulling rod; 120. drawing a film bracket; 121. drawing a film bracket vertical plate; 130. drawing a film sliding plate; 140. a film drawing driving system; 141. a drive member; 142. a drive shaft; 143. a first drive pulley; 144. a second transmission wheel; 145. a transmission belt; 146. a drive belt buckle; 150. a lifting assembly; 151. a lifting slide plate; 152. a lifting slide plate driving member; 160. a translation assembly; 161. a sliding plate is translated; 162. a translational slide plate drive member; 163. a pull rod seat;

200. a film placing part; 210. placing the membrane bracket; 220. a film releasing roller; 230. a film collecting roller; 240. placing a film and passing a roller set; 250. placing a film tensioning assembly; 260. a film collecting roller set; 270. a film collecting and tensioning assembly; 280. a deviation rectifying mechanism; 281. a slide rail; 282. a slider; 283. a deviation rectifying driving part;

300. a frame;

400. a double layer film; 410. an insulating film; 420. a release film;

500. bare materials; 510. a bottom surface; 520. the upper surface is large; 530. the lower surface is large; 540. a top surface; 550. a narrow side;

600. a film pasting roller;

700. a film cutting device;

800. film feeding mechanism.

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects to be solved by the present application clearer, the present application is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of and not restrictive on the broad application.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element. The embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.

It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like, as used herein, refer to an orientation or positional relationship indicated in the drawings that is solely for the purpose of facilitating the description and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be considered as limiting the present application.

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

As described in the background art, currently, in the prior art, a single reciprocating film feeding device is generally used for feeding a film for a bare cell, but after the film feeding device has finished feeding an insulating film for a bare cell, it is necessary to wait for a single film feeding device to return to the original point of the film feeding device for feeding the film again, and the film sticking channel is idle during this period of time, so that the film feeding efficiency is low.

Referring to fig. 1 to 6, in order to solve the above-mentioned problems, according to an aspect of the present application, an embodiment of the present application provides a film feeding device for a coating apparatus, the film feeding device includes two film feeding mechanisms 800, the two film feeding mechanisms 800 are located on the same side of a film sticking channel for sticking an insulating film 410 onto a bare material 500, the two film feeding mechanisms 800 are arranged in an up-and-down symmetrical manner with respect to a center line of an inlet of the film sticking channel, and the two film feeding mechanisms 800 are configured to alternately feed the insulating film 410 to the bare material 500; the film feeding mechanism 800 comprises a film drawing part 100 and a film placing part 200, wherein the film drawing part 100 comprises a film drawing rod 110, and the film drawing rod 110 is used for adhering the film head of the insulating film 410 on the periphery.

The film drawing rod 110 above can drive the film head of the insulating film 410 to move downwards near the inlet of the film sticking channel, so that the insulating film 410 inclines towards the inlet of the film sticking channel in the vertical direction and is blocked in front of the inlet of the film sticking channel to prepare film sticking, and the film drawing rod 110 above can also move upwards to remove the film and continue to glue the film to prepare the next film drawing.

The film drawing rod 110 below can drive the film head of the insulating film 410 to move upwards in front of and near the inlet of the film sticking channel, so that the insulating film 410 inclines towards the inlet of the film sticking channel in the vertical direction and is blocked in front of the inlet of the film sticking channel to prepare film sticking, and the film drawing rod 110 below can also move downwards to remove the film and continue to glue the film to prepare the next film drawing. The film laying member 200 is used to provide the insulating film 410 for the film drawing member 100.

Referring to fig. 2, in the embodiment of the present application, a bare cell with a square aluminum case is used as the bare cell 500, and the size specification is 54mm thick, 172mm wide, and 97mm high, and the cover plate is disposed on the top together with the positive electrode post, the negative electrode post, the liquid injection hole, and the explosion-proof window. The film sticking equipment can also be used for wrapping workpieces or packing boxes with soft films or soft paper.

Referring to fig. 3, the U-shaped film is formed by selecting a flat-lying bottom surface 510 of a bare material 500 to be attached to a middle position of a film, then spreading both ends of an insulating film 410 to an upper large surface 520 and a lower large surface 530 adjacent to the bottom surface 510, then cutting the insulating film 410 attached to the bare material 500 and the insulating film 410 not attached to the bare material 500, and rolling the head and tail of the insulating film 410 attached to the bare material 500 to attach the remaining insulating film 410 to a top surface 540; the zigzag film is formed by first attaching a narrow side surface 550 of a selected flat-lying bare material 500 to the middle of the film, then spreading the two ends of an insulating film 410 to an upper large surface 520 and a lower large surface 530 adjacent to the narrow side surface 550, then cutting the insulating film 410 attached to the bare material 500 and the insulating film 410 not attached to the bare material 500, and rolling the head and tail of the insulating film 410 attached to the bare material 500 to attach the remaining insulating film 410 to the other narrow side surface 550. The head of the film in this application refers to the beginning of the insulating film 410 attached to the bare material 500, and the tail of the film refers to the end of the insulating film 410 attached to the bare material 500. In addition, the insulating film 410 employed in the present application has a smooth surface and an adhesive surface, wherein the adhesive surface is attached to the bare material 500.

In the embodiment of the present application, for the film drawing member 100 located below, the insulating film 410 is disposed obliquely from bottom to top along the direction from far to near the film sticking passage; for the film drawing member 100 located above, the insulating film 410 is disposed obliquely from top to bottom in a direction from far to near the film sticking passage. The film sticking channel is formed by two film sticking rollers 600 which are oppositely arranged up and down. The two film feeding mechanisms are substantially the same.

In specific application, in the face of a continuous bare material 500, one of the two film feeding mechanisms is used for feeding the insulating film 410 for the bare material 500, so that the bare material 500 is subjected to U-shaped film sticking or film clip; another film feeding mechanism is used for feeding the insulating film 410 for another bare material 500 behind the bare material 500, so that the other bare material 500 can be subjected to U-shaped film sticking or film-back sticking, and finally the bare materials 500 can be continuously fed one by one. The two film feeding mechanisms are convenient for alternately feeding the insulating films 410 for the bare materials 500, and the film feeding efficiency and the film sticking efficiency are greatly improved.

Referring to fig. 1 and fig. 4, in this embodiment, the film feeding mechanism 800 further includes a film pulling support 120, the film pulling support 120 includes two opposite vertical film pulling support plates 121, and the vertical film pulling support plate 121 of the film feeding mechanism 800 located above and the vertical film pulling support plate 121 of the film feeding mechanism 800 located below are integrated; the film drawing support vertical plate 121 of the film feeding mechanism 800 positioned below is fixed on the frame 300, and the two film drawing supports 120 are respectively used for arranging the two film drawing components 100. In the embodiment of the present application, the two stent grafts 120 are arranged symmetrically up and down along the center line of the entrance of the film sticking passage.

Referring to fig. 1 and 4, in this embodiment, the film drawing component 100 further includes two film drawing sliding plates 130 and a film drawing driving system 140, and the two film drawing sliding plates 130 are respectively arranged on the outer side surfaces of the two film drawing support vertical plates 121 in a sliding manner along the vertical direction; the two film drawing sliding plates 130 are respectively connected with two ends of the film drawing rod 110, and the output end of the film drawing driving system 140 is in driving connection with the two film drawing sliding plates 130 so as to drive the two film drawing sliding plates 130 to move up and down in front of the inlet of the film pasting channel along with the film drawing rod 110.

In the embodiment of the application, the outer side surfaces of the four vertical plates 121 of the film drawing support are fixedly connected with vertically arranged vertical slide rails, and the film drawing sliding plate 130 can slide on the vertical slide rails; the vertical slide rail on the film drawing support vertical plate 121 located above and the vertical slide rail on the film drawing support vertical plate 121 located below are designed to be integrally formed.

Referring to fig. 4 to 6, in a specific application, for the film drawing member 100 located below, firstly, the film head of the insulation film 410 is adhered to the periphery of the film drawing rod 110, secondly, the film drawing driving system 140 will drive the film drawing rod 110 to move from bottom to top with the film head of the insulation film 410 until the film drawing rod crosses the entrance of the film sticking channel and reaches a specified position, at this time, the insulation film 410 will be stopped before the entrance of the film sticking channel, and with the continuous movement of the bare material 500 to the film sticking channel, the middle position of the insulation film 410 will contact with the bottom surface 510 of the bare material 500, and then, the film drawing driving system 140 is used to drive the film drawing rod 110 to move downwards, so that the remaining part of the insulation film 410 is adhered to the upper large surface 520 and the lower large surface 530 of the bare material 500. Under the condition that bare material 500 passes through the pad pasting passageway, draw membrane rod 110 will break away from with the membrane head of insulating film 410, draw membrane actuating system 140 to drive draw membrane rod 110 to move down simultaneously, until moving to the below of pad pasting passageway front vicinity to the insulating film 410 of adhesion in below, at this moment, the insulating film 410 that is located the pad pasting passageway below sets up in the slope, and can be supported by draw membrane rod 110 and press. The insulating film 410 can be continued through the above steps, so that preparation can be made for the next film drawing. Finally, the insulating film 410 adhered to the bare material 500 is cut off from the remaining insulating film 410 not adhered to the bare material 500 in the width direction of the insulating film 410 by the film cutting device 700. The middle position of the insulating film 410 in the present application refers to the middle portion of the insulating film 410 adhered to the bare material 500. The film cutting device 700 is arranged on one side of the film sticking roller 600 which is positioned below and far away from the film pulling rod 110. The membrane cutting device 700 is well known to those skilled in the art and will not be described in detail herein.

For the film drawing component 100 located above, firstly, the film head of the insulation film 410 is adhered to the periphery of the film drawing rod 110, secondly, the film drawing driving system 140 will drive the film drawing rod 110 to move from top to bottom with the film head of the insulation film 410 until the film head crosses the inlet of the film pasting channel and reaches a specified position, at this time, the insulation film 410 will block the inlet of the film pasting channel, the middle position of the insulation film 410 will contact with the bottom surface 510 of the bare material 500 along with the continuous movement of the bare material 500 to the film pasting channel, and then the film drawing driving system 140 is used to drive the film drawing rod 110 to move upwards, so that the rest part of the insulation film 410 is adhered to the upper large surface 520 and the lower large surface 530 of the bare material 500. Under the condition that bare material 500 passes through the pad pasting passageway, draw membrane rod 110 will break away from with the membrane head of insulating film 410, draw membrane actuating system 140 will drive draw membrane rod 110 and upwards move simultaneously, move to the top of the near department before the pad pasting passageway entry to the insulating film 410 of adhesion in top, at this moment, the insulating film 410 that is located the pad pasting passageway top sets up in the slope, and can be supported by draw membrane rod 110 and press. The insulating film 410 can be continued by using the above steps, so that preparation can be made for the next film drawing. Finally, the insulating film 410 adhered to the bare material 500 is cut off from the remaining insulating film 410 not adhered to the bare material 500 in the width direction of the insulating film 410 by the film cutting device 700.

Referring to fig. 4, in this embodiment, the film-drawing driving system 140 includes a driving element 141, a transmission shaft 142, two first driving wheels 143, two second driving wheels 144, two transmission belts 145, and two transmission belt buckles 146, the driving element 141 is connected to the transmission shaft 142 in a driving manner to drive the transmission shaft 142 to rotate, two ends of the transmission shaft 142 respectively penetrate through the two film-drawing support vertical plates 121, and the two first driving wheels 143 are respectively fixed at two ends of the transmission shaft 142; the two second driving wheels 144 are respectively arranged on the outer surfaces of the two film drawing support vertical plates 121, and the second driving wheels 144 are positioned on one side of the first driving wheel 143; the transmission belt 145 is respectively meshed with the first transmission wheel 143 and the second transmission wheel 144, and the transmission belt buckle 146 is fixedly connected with the transmission belt 145 and fixedly connected with the film drawing sliding plate 130; the driving member 141 drives the transmission shaft 142 to rotate so as to drive the two first transmission wheels 143 to rotate simultaneously, the two first transmission wheels 143 respectively drive the two transmission belts 145 to rotate simultaneously in the same direction, and the two transmission belts 145 respectively drive the two transmission belt buckles 146 and the two film-drawing sliding plates 130 to move simultaneously in the same direction.

In this embodiment, the driving member 141 is a driving motor, an output shaft of the driving motor is fixedly connected with a first driving wheel coaxial therewith, a second driving wheel is disposed on one side of the first driving wheel, the second driving wheel is sleeved on the transmission shaft 142 and is fixedly connected with the transmission shaft 142, a driving belt is disposed between the first driving wheel and the second driving wheel, and the driving belt is engaged with the first driving wheel and the second driving wheel respectively. The driving member 141 drives the transmission shaft 142 to rotate by the first driving wheel, the second driving wheel and the driving belt. For the film drawing member 100 located below, the first driving wheel 143 is located below the second driving wheel 144. For the film drawing member 100 located above, the first driving wheel 143 is located above the second driving wheel 144.

Referring to fig. 7, as a preferred mode in this embodiment, the film drawing member 100 further includes two lifting assemblies 150, and the two lifting assemblies 150 are respectively disposed on the two film drawing sliding plates 130; lifting unit 150 includes lift slide 151 and lift slide driving piece 152, and lift slide 151 slides along vertical direction and sets up on drawing membrane slide 130 for erect and draw membrane pole 110, and lift slide driving piece 152 is fixed on drawing membrane slide 130, and is connected with lift slide 151 drive, goes up and down along vertical direction with drive lift slide 151 and draw membrane pole 110.

In the preferred embodiment, the two ends of the film pulling rod 110 are connected to the two lifting/lowering slides 151, respectively. The lifting slide driving member 152 employs a cylinder, and an output shaft of the cylinder is fixedly connected to the lifting slide 151 to drive the lifting slide 151 to slide in a vertical direction. Of course, in other examples, the lifting slide driving element 152 may also be a mechanical structure such as an electric push rod, a lead screw assembly, etc. capable of realizing linear transmission. Two equal fixedly connected with vertical slide rails in the side that draws membrane slide 130 to keep away from each other, the side fixedly connected with that lift slide 151 is close to and draws membrane slide 130 and vertical slider of vertical slide rail matched with to make lift slide 151 can follow vertical direction reciprocating motion.

The lifting assembly 150 is provided to facilitate real-time adjustment of the tension of the insulating film 410 adhered to the draw bar 110. The specific implementation mode is as follows: after compressed air is introduced into the lifting slide plate driving element 152, i.e., the air cylinder, the piston rod of the air cylinder jacks up the film pulling rod 110 by adjusting the electric proportional valve connected to the air passage, so that the insulating film 410 on the film pulling rod 110 is in a tension state with a set tension. In the film feeding process, when the actual tension of the insulating film 410 is reduced, the piston cylinder of the air cylinder extends out and jacks up the film pulling rod 110, so that the insulating film 410 on the film pulling rod 110 is tensioned more tightly, and the actual tension of the insulating film 410 is increased to a set value. In the film feeding process, when the actual tension of the insulation film 410 is increased, the piston rod of the air cylinder retracts and retracts the film pulling rod 110, so that the insulation film 410 on the film pulling rod 110 is loosened, and the actual tension of the insulation film 410 is reduced to a set value. The lift assembly 150 maintains the tension of the insulator film 410 fluctuating around a set magnitude.

Referring to fig. 7, in the preferred embodiment, the film drawing member 100 further includes two translation assemblies 160, and the two translation assemblies 160 are respectively disposed on the two lifting sliding plates 151; the translation assembly 160 includes a translation sliding plate 161, a translation sliding plate driving member 162 and a pull rod seat 163, the translation sliding plate 161 is slidably disposed on the lifting sliding plate 151 along the horizontal direction, the pull rod seat 163 is fixed on the translation sliding plate 161 for rotatably supporting the film pulling rod 110, and the translation sliding plate driving member 162 is fixed on the lifting sliding plate 151 and is in driving connection with the translation sliding plate 161 to drive the translation sliding plate 161 and the film pulling rod 110 to reciprocate along the horizontal direction.

In the preferred embodiment, two pull rod seats 163 are respectively and fixedly connected to one side of the translational sliding plate 161 close to the film sticking passage, and two ends of the film pull rod 110 respectively penetrate through the two pull rod seats 163 and are rotatably arranged in the pull rod seats 163; translation slide driving member 162 is a cylinder, and an output shaft of the cylinder is fixedly connected to translation slide 161 to drive translation slide 161 to slide along the horizontal direction. Of course, in other examples, the translational slide driving member 162 may also be a mechanical structure such as an electric push rod, a lead screw assembly, etc. capable of realizing linear transmission. The side of the lifting slide plate 151 far away from the film drawing slide plate 130 is fixedly connected with a horizontal translation slide rail, and the side of the translation slide plate 161 near the lifting slide plate 151 is fixedly connected with a translation slide block, so that the translation slide plate 161 can realize horizontal movement on the lifting slide plate 151.

In specific application, for the film drawing component 100 located below, after the film drawing rod 110 is adhered to the insulating film 410 located in front of and below the inlet of the film pasting channel, the translation sliding plate driving member 162 drives the translation sliding plate 161 to move towards the direction close to the inlet of the film pasting channel, so that the contact surface of the insulating film 410 and the film drawing rod 110 is increased and the adhesion is tighter, the adhesion strength of the insulating film 410 and the film drawing rod 110 is further improved, and the film drawing rod 110 is prevented from being separated from the insulating film 410 in the film drawing process.

For the film drawing component 100 located above, after the film drawing rod 110 is adhered to the insulating film 410 located in front of and above the inlet of the film pasting channel, the translation sliding plate driving member 162 drives the translation sliding plate 161 to move towards the direction close to the inlet of the film pasting channel, so that the contact surface between the insulating film 410 and the film drawing rod 110 is increased and the adhesion is tighter, further the adhesion strength between the insulating film 410 and the film drawing rod 110 is improved, and the film drawing rod 110 is prevented from being separated from the insulating film 410 in the film drawing process.

Referring to fig. 8 and 9, in the present embodiment, the film feeding device further includes a film placing member 200, and the film placing member 200 is located on one side of the film drawing member 100. The film releasing part 200 comprises a film releasing support 210, a film releasing roller 220 and a film receiving roller 230, the film releasing support 210 is arranged on the frame 300, and the film releasing roller 220 and the film receiving roller 230 are both arranged on the film releasing support 210; the film placing roller 220 is used for supporting the rolled double-layer film 400, the double-layer film 400 comprises an insulating film 410 and a release film 420, and the insulating film 410 is pulled by the film pulling rod 110 to separate the insulating film 410 from the release film 420; the take-up roll 230 can rotate to roll up the release film 420 to collect the release film 420.

In the embodiment of the present application, two film placing parts 200 are provided, and one film placing part 200 of the two film placing parts 200 is located above the other film placing part 200. The film placing part 200 is arranged on one side of the film drawing part 100 far away from the film sticking channel; put membrane support 210 and vertically set up in frame 300, put membrane roller 220 fixed mounting in putting membrane support 210, the inner circle of the double-layer membrane 400 of lapping is provided with the backing roll, and the backing roll cover is established on putting membrane roller 220, and rotates and set up on putting membrane roller 220. The film collecting roller 230 is located on one side of the film releasing roller 220 far away from the film pulling rod 110, and is rotatably arranged on the film releasing support 210. Put and be provided with on the another side of membrane support 210 and collect the driving piece, collect the driving piece and adopt driving motor, the one side of collecting the driving piece is provided with transmission shaft and driving rack, the axis of rotation with put the coaxial and fixed connection of membrane roller 220, the driving rack sets up between driving motor's output shaft and transmission shaft, and mesh with driving motor's output shaft and transmission shaft respectively. A transition roller is arranged between the film placing roller 220 and the film drawing rod 110, and the transition roller is arranged on the film placing support 210 and used for enabling the insulating film 410 to be transited from the film placing roller 220 to the film drawing rod 110.

In other embodiments, the rolled insulating film 410 may be directly sleeved on the film placing roller 220, and the film collecting roller 230 does not need to work, but only needs to work the film placing roller 220.

Referring to fig. 8, as another preferred mode in this embodiment, the film placing component 200 further includes a film placing roller set 240 and a film placing tensioning assembly 250, and both the film placing roller set 240 and the film placing tensioning assembly 250 are disposed on the film placing support 210; the film placing roller group 240 is arranged between the film drawing rod 110 and the film placing rollers 220, the film placing roller group 240 comprises a plurality of film placing rollers for erecting the insulating film 410, and the film placing tensioning assembly 250 is arranged between the plurality of film placing rollers to adjust the tensioning force of the insulating film 410.

The film releasing part 200 further comprises a film collecting roller group 260 and a film collecting tensioning assembly 270, and the film collecting roller group 260 and the film collecting tensioning assembly 270 are arranged on the film releasing bracket 210; the film collecting roller group 260 is arranged between the film releasing roller 220 and the film collecting roller 230, the film collecting roller group 260 comprises a plurality of collecting rollers for erecting the release film 420, and the film collecting tensioning assembly 270 is arranged between the plurality of collecting rollers for adjusting the tensioning force of the release film 420.

In the preferred embodiment, the film tension assembly 250 comprises a film tension roller and a film adjusting member, wherein the film tension roller is slidably disposed on the film support 210 along the vertical direction under the action of the film adjusting member to adjust the tension of the insulating film 410. Receive membrane tensioning assembly 270 including receiving the membrane tensioning roller and receiving the membrane regulating part, receive the membrane tensioning roller and set up in putting membrane support 210 along vertical direction slidable under the effect of receiving the membrane regulating part to adjust the tensile force from type membrane 420. The specific structure and operation are within the knowledge of one skilled in the art and will not be described in detail herein. In addition, the film placing part 200 further comprises a film placing and winding member, the film placing and winding member is mounted on the other side surface of the film placing support 210, and an input shaft of the film placing and winding member is coaxial with the film placing roller 220 and is fixedly connected with the same so as to play a role of winding. The film placing and tensioning assembly 250, the film collecting and tensioning assembly 270 and the film placing and metering ring are conventional instruments and will not be described in detail herein.

Referring to fig. 9, as an optional manner in this embodiment, the film discharging component 200 further includes a deviation rectifying mechanism 280, the deviation rectifying mechanism 280 includes a slide rail 281, a slide block 282 and a deviation rectifying driving component 283, the slide rail 281 is horizontally and fixedly connected to the rack 300, the slide block 282 is horizontally and fixedly connected to the bottom surface of the film discharging support 210 facing the rack 300, and the slide block 282 is slidably disposed on the slide rail 281; the deviation correcting driving member 283 is fixed on the frame 300, and the movable end of the deviation correcting driving member 283 is fixedly connected with the film releasing support 210 to drive the film releasing support 210 and the slide block 282 to slide along the length direction of the slide rail 281, so as to correct the position of the insulating film 410 according to the command of external electrical control.

In this alternative, the deviation correcting driving member 283 is an air cylinder, and an output shaft of the air cylinder is fixedly connected to the film releasing support 210 so as to drive the film releasing support 210 to slide along the length direction of the sliding rail 281. In other examples, the deviation correcting driving member 283 may also be a rack-and-pinion mechanism, a screw assembly, or other mechanical structure capable of driving the film placing support 210 to slide along the length direction of the sliding rail 281. The provided deviation rectifying mechanism 280 is convenient for driving the film releasing support 210 to adjust in the horizontal direction, so that the insulating film 410 can be better pulled to the bare material 500 by the film pulling rod 110, and the possibility of wrinkling of the insulating film 410 in the pulling process is reduced.

In summary, the film feeding device for the film wrapping apparatus provided in this embodiment has at least the following beneficial effects: facing the continuous bare material 500, one of the two film feeding mechanisms is used for feeding the insulating film 410 for one bare material 500, so that the bare material 500 can be subjected to U-shaped film sticking or film clip; another film feeding mechanism feeds the insulating film 410 for another bare material 500 behind the bare material 500, so that the other bare material 500 can be subjected to U-shaped film sticking or loop-shaped film sticking, and finally the bare materials 500 can be continuously fed one by one. The two film feeding mechanisms are convenient for alternately feeding the insulating films 410 for the bare materials 500, and the film feeding efficiency and the film sticking efficiency are greatly improved.

The present invention is not intended to be limited to the particular embodiments shown and described, but is to be accorded the widest scope consistent with the principles and novel features herein disclosed.

Claims

1. The film feeding device for the coating equipment is characterized by comprising two film feeding mechanisms (800), wherein the two film feeding mechanisms (800) are positioned on the same side of a film sticking channel for sticking an insulating film (410) to a bare material (500), and the two film feeding mechanisms (800) are arranged in an up-and-down symmetrical mode with the central line of an inlet of the film sticking channel;

the film feeding mechanism (800) comprises a film pulling part (100) and a film releasing part (200), wherein the film pulling part (100) comprises a film pulling rod (110), and the film pulling rod (110) is used for adhering a film head of the insulating film (410) at the periphery;

the film drawing rod (110) positioned above can drive the film head of the insulating film (410) to move downwards near the front of the inlet of the film sticking channel, so that the insulating film (410) inclines towards the inlet of the film sticking channel in the vertical direction and is blocked in front of the inlet of the film sticking channel to prepare for sticking the film, and the film drawing rod (110) positioned above can also move upwards to remove the film and continue to glue the film to prepare for next film drawing;

the film drawing rod (110) positioned below can drive the film head of the insulating film (410) to move upwards at the position close to the front of the inlet of the film sticking channel, so that the insulating film (410) inclines towards the inlet of the film sticking channel in the vertical direction and is blocked in front of the inlet of the film sticking channel to prepare film sticking, and the film drawing rod (110) positioned below can also move downwards to remove the film and continue to glue the film to prepare the next film drawing;

the film placing part (200) is used for providing the insulating film (410) for the film pulling part (100);

the two film conveying mechanisms (800) are used for alternately conveying the insulating films (410) for the bare materials (500) in turn.

2. The film feeding device for the film wrapping equipment according to claim 1, wherein the film feeding mechanism (800) further comprises a film pulling support (120), the film pulling support (120) comprises two opposite vertical film pulling support plates (121), and the vertical film pulling support plate (121) of the film feeding mechanism (800) positioned above and the vertical film pulling support plate (121) of the film feeding mechanism (800) positioned below are integrated; the film drawing support vertical plate (121) positioned below is fixed on the rack (300), and the two film drawing supports (120) are respectively used for arranging the two film drawing components (100).

3. The film feeding device for the film wrapping equipment according to claim 2, wherein the film pulling part (100) further comprises two film pulling sliding plates (130) and a film pulling driving system (140), and the two film pulling sliding plates (130) are respectively arranged on the outer side surfaces of the two film pulling support vertical plates (121) in a sliding manner along the vertical direction; the two film drawing sliding plates (130) are respectively connected with two ends of the film drawing rod (110), and the output end of the film drawing driving system (140) is in driving connection with the two film drawing sliding plates (130) so as to drive the two film drawing sliding plates (130) to move up and down along the positions, close to the inlet of the film sticking channel, of the film drawing rod (110).

4. The film conveying device for the enveloping machine as claimed in claim 3, wherein the film drawing driving system (140) comprises a driving member (141), a transmission shaft (142), two first driving wheels (143), two second driving wheels (144), two transmission belts (145) and two transmission belt buckles (146), the driving member (141) is in driving connection with the transmission shaft (142) to drive the transmission shaft (142) to rotate, two ends of the transmission shaft (142) respectively penetrate through the two film drawing support vertical plates (121), and the two first driving wheels (143) are respectively fixed at two ends of the transmission shaft (142); the two second driving wheels (144) are respectively arranged on the outer surfaces of the two film-drawing support vertical plates (121), and the second driving wheels (144) are positioned on one side of the first driving wheel (143); the transmission belt (145) is respectively meshed with the first transmission wheel (143) and the second transmission wheel (144), and the transmission belt buckle (146) is fixedly connected with the transmission belt (145) and fixedly connected with the film drawing sliding plate (130);

the driving piece (141) drives the transmission shaft (142) to rotate so as to drive the first transmission wheels (143) to rotate simultaneously, the first transmission wheels (143) drive two respectively the transmission belt (145) rotate in the same direction, the transmission belt (145) drives two respectively the transmission belt buckle (146) and two the film drawing sliding plate (130) move in the same direction simultaneously.

5. The film feeding device for the film wrapping equipment according to claim 3, wherein the film pulling part (100) further comprises two lifting assemblies (150), and the two lifting assemblies (150) are respectively arranged on the two film pulling sliding plates (130);

lifting unit (150) are including lifting slide (151) and lifting slide driving piece (152), lifting slide (151) along vertical direction slide set up in draw on membrane slide (130), be used for erectting draw membrane pole (110), lifting slide driving piece (152) are fixed draw on membrane slide (130), with lifting slide (151) drive is connected, in order to drive lifting slide (151) with draw membrane pole (110) along vertical direction lift.

6. The film feeding device for the film wrapping equipment according to claim 5, wherein the film pulling part (100) further comprises two translation assemblies (160), and the two translation assemblies (160) are respectively arranged on the two lifting sliding plates (151);

translation subassembly (160) include translation slide (161), translation slide driving piece (162) and pull rod seat (163), translation slide (161) along the horizontal direction slide set up in on lifting slide (151), pull rod seat (163) are fixed on translation slide (161), be used for the rotation support draw membrane pole (110), translation slide driving piece (162) are fixed on lifting slide (151), and with translation slide (161) drive connection, with the drive translation slide (161) with pull membrane pole (110) along horizontal direction reciprocating motion.

7. The film feeding device for the film wrapping apparatus according to claim 2, wherein the film placing member (200) is located on one side of the film pulling member (100);

the film releasing component (200) comprises a film releasing support (210), a film releasing roller (220) and a film collecting roller (230), the film releasing support (210) is arranged on the rack (300), and the film releasing roller (220) and the film collecting roller (230) are both arranged on the film releasing support (210); the film releasing roller (220) is used for supporting a coiled material of a double-layer film (400), the double-layer film (400) comprises the insulating film (410) and a release film (420), and the insulating film (410) is pulled by the film pulling rod (110) to separate the insulating film (410) from the release film (420); the film collecting roller (230) can rotate to roll up the release film (420) so as to collect the release film (420).

8. The film feeding device for the film wrapping equipment according to claim 7, wherein the film placing part (200) further comprises a film placing roller group (240) and a film placing tensioning assembly (250), and the film placing roller group (240) and the film placing tensioning assembly (250) are both arranged on the film placing support (210); put membrane roller group (240) set up in draw membrane pole (110) with put between membrane roller (220), put membrane roller group (240) including many put the membrane roller, be used for erectting insulating film (410), it sets up in a plurality of to put membrane tensioning subassembly (250) put between the membrane roller, in order to adjust the tensile force of insulating film (410).

9. The film feeding device for the film wrapping equipment according to claim 7, wherein the film releasing part (200) further comprises a film collecting roller group (260) and a film collecting tensioning assembly (270), and the film collecting roller group (260) and the film collecting tensioning assembly (270) are both arranged on the film releasing support (210); the film collecting roller group (260) is arranged between the film releasing roller (220) and the film collecting roller (230), and the film collecting roller group (260) comprises a plurality of film collecting rollers for erecting the release film (420); the film collecting tensioning assembly (270) is arranged among the plurality of film collecting rollers so as to adjust the tensioning force of the release film (420).

10. The film feeding device for the film wrapping equipment according to claim 7, wherein the film releasing part (200) further comprises a deviation rectifying mechanism (280), the deviation rectifying mechanism (280) comprises a slide rail (281), a slide block (282) and a deviation rectifying driving part (283), the slide rail (281) is horizontally and fixedly connected to the rack (300), the slide block (282) is horizontally and fixedly connected to the bottom surface of the film releasing support (210) facing the rack (300), and the slide block (282) is slidably arranged on the slide rail (281); the deviation rectifying driving piece (283) is fixed on the rack (300), the movable end of the deviation rectifying driving piece (283) is fixedly connected with the film releasing support (210), and the deviation rectifying driving piece (283) is used for driving the film releasing support (210) to slide along the length direction of the sliding rail (281) through the sliding block (282) so as to correct the position of the released insulating film (410) according to an external electrical control instruction.