CN115593708B

CN115593708B - Continuous film covering device

Info

Publication number: CN115593708B
Application number: CN202211254152.5A
Authority: CN
Inventors: 张勇; 梁藨; 刘京涛; 孙惠伟; 黄伟; 魏晓四; 范树平; 郭宝成; 刘宇; 周绍安; 彭金丽; 李晓辉; 李江; 黄丽; 罗中敏; 禹昕玥; 董树强
Original assignee: Yunnan KSEC Machinery Manufacturing Co Ltd
Current assignee: Yunnan KSEC Machinery Manufacturing Co Ltd
Priority date: 2022-10-13
Filing date: 2022-10-13
Publication date: 2025-06-10
Anticipated expiration: 2042-10-13
Also published as: CN115593708A

Abstract

The invention discloses a continuous film covering device, wherein a film transfer mechanism is positioned at one side of a film covering mechanism, an adsorption part for adsorbing a film is arranged on the film transfer mechanism, a movable clamping arm for opening the film is arranged on the film covering mechanism, and the adsorption part moves the film to the movable clamping arm in the rotating process. The film coating mechanism has the advantages that the film coating mechanism is provided with the film coating mechanism, the film can be continuously fed to the film coating mechanism, continuous film coating of the shell is completed under the action of the film coating mechanism, the film coating mechanism realizes adsorption and demolding of the adsorption part in the rotating process of the rotating piece by virtue of the air distribution disc, further, film coating movement can be automatically completed, the film coating mechanism realizes opening and closing of the movable clamping arm by virtue of the rotation of the vacuum runner rotating disc, further, the opening of the film is realized, and the shell is jacked into the opened film by the jacking bow rod, so that the film coating of the shell is realized.

Description

Continuous film sleeving device

Technical Field

The invention relates to a covering film of a columnar shell, in particular to a continuous covering film device.

Background

In the outer package, the usage rate of the cylindrical shell is high, and in order to protect the cylindrical shell, a protective film, such as a production package of a battery, is generally sleeved outside the cylindrical shell.

With the popularization of new energy, the utilization rate of the battery is greatly improved, particularly in the field of new energy automobiles, the use amount of the battery is in a multiplied state in recent years, in the field of new energy automobiles, the production of the battery is mainly carried out in Ningde times, bidi and tesla, and the production of the battery is mainly carried out in Ningde times, so that the production of the columnar battery is continuously updated, in the production process of the columnar battery, a layer of insulating film is required to be sleeved on the outer surface of the battery, the insulating film is usually made of PVC material, and in order to adapt to modern production, the film covering of the battery needs automatic production to ensure the production efficiency of the battery.

The invention discloses a film sleeving device and a film sleeving system (CN 110190292B), which are disclosed in the Chinese patent, wherein the top of a fixed shaft is hollowed to form a part of an air suction channel, so that the top of the fixed shaft is of a thin-wall structure, the structural strength of the fixed shaft is influenced, the processing difficulty of the fixed shaft is increased, two vacuum chucks are adopted in the patent, and are respectively opened and closed along with a first clamping piece and a second clamping piece, so that the structure is complicated, and in order to realize the improvement of the film sleeving efficiency of a battery, the film sleeving device and the film sleeving system are required to be continuously conveyed to the film sleeving mechanism through the film conveying process, the continuous sleeving of the film is realized, and the inventor develops a continuous film sleeving device through long-term research.

Disclosure of Invention

The invention aims to overcome the defects of the prior art and provides a continuous film covering device.

The continuous film covering device comprises a rotatable film transferring mechanism and a rotatable film covering mechanism, wherein the film transferring mechanism is positioned at one side of the film covering mechanism, an adsorption part for adsorbing films is arranged on the film transferring mechanism, a movable clamping arm for opening the films is arranged on the film covering mechanism, the adsorption part moves the films to the movable clamping arm in the rotating process, the films are opened along with the rotation of the movable clamping arm, and a pushing bow rod for pushing a shell into the opened films is arranged on the film covering mechanism.

Optionally, the membrane transfer mechanism includes rotation piece, rotatory gas distributor and the first drive arrangement of drive rotation piece pivoted, the adsorption part is installed on the rotation piece, the second negative pressure passageway has been seted up on the adsorption part, first negative pressure passageway has been seted up on the rotation piece, first negative pressure passageway is connected with the second negative pressure passageway, the first arc wall has been seted up on the rotatory gas distributor, first arc wall is connected with negative pressure equipment, membrane transfer mechanism has the membrane station of inhaling and membrane transfer station, when the gas outlet of first negative pressure passageway and first arc wall just communicate, the adsorption part is in the membrane station of inhaling, when the gas outlet of first negative pressure passageway and first arc wall just do not communicate, the adsorption part is in the membrane transfer station, the adsorption part is on the membrane transfer station removes the movable arm lock with the diaphragm.

Optionally, the rotary gas distributing device comprises a supporting piece and a gas distributing disc, the gas distributing disc is arranged on the supporting piece, the first arc-shaped groove is formed in the gas distributing disc, and the bottom of the first arc-shaped groove is provided with a gas hole connected with the negative pressure equipment.

Optionally, the support piece includes bolster, axle protective sheath and bolster, bolster and bolster pass through axle protective sheath and connect, and bolster's inner circle all installs the bearing, and the bearing housing is adorned in the pivot, and the pivot is driven by first drive arrangement, rotates the piece and installs in the pivot, and rotates the bottom of piece and divide the top laminating of gas dish, and circular recess has been seted up at bolster's top, divides the gas dish to install in circular recess, and divides the gas dish to pass through the key and end to change.

Optionally, the mounting groove is axially formed in the rotating piece, the air inlet hole of the first negative pressure channel is located on the groove wall of the mounting groove, the adsorption part is provided with a mounting part, the mounting part is detachably mounted in the mounting groove, and the air outlet hole of the second negative pressure channel is located on the mounting part.

Optionally, the adsorption part further comprises adsorption arms arranged in pairs, the adsorption arms are mounted on the mounting part and are distributed at intervals up and down, the air inlet holes of the second negative pressure channels are located on the windward side of the adsorption arms, the windward side of the adsorption arms is provided with a convex adsorption head, the windward side of the adsorption head is provided with a groove body, and the air inlet holes of the second negative pressure channels are located on the groove bottom of the groove body.

Optionally, the film sleeving device comprises a fixed shaft; the vacuum channel rotating disc is driven by a driving device to rotate relative to a fixed shaft, a movable clamping arm is arranged at the top of the vacuum channel rotating disc, a negative pressure channel is formed on the movable clamping arm, a vacuum channel fixing disc is static relative to the fixed shaft, a second arc-shaped groove is formed on the vacuum channel fixing disc, the second arc-shaped groove is communicated with vacuumizing equipment, the top of the vacuum channel fixing disc is attached to the bottom of the vacuum channel rotating disc, a negative pressure cavity is formed between the second arc-shaped groove and the vacuum channel rotating disc, when the movable clamping arm rotates to the position above the negative pressure cavity, the negative pressure channel is communicated with the negative pressure cavity, a chassis seat is arranged at the top of the chassis seat, the vacuum channel fixing disc penetrates through the vacuum channel fixing disc and the vacuum channel rotating disc, a cam is arranged at the top of the fixed shaft, a bending arm is arranged on the movable clamping arm, a rolling bearing is arranged on the bending arm and is always in contact with the outer edge of the cam, the movable clamping arm rotates around the cam for one circle, the movable clamping arm completes one-time opening and closing, the material disc is provided with an upper skirt and a lower skirt, the upper skirt is arranged on the vacuum channel rotating disc, when the movable clamping arm rotates to the housing, the upper skirt is pushed to the housing, and the housing of the vacuum channel is pushed to the housing, and the housing is completely opened, and the housing is pushed to the housing, and the housing is pushed to the upper housing, and the material is placed in the housing, and the housing.

Optionally, the movable arm lock includes intermeshing's first arm lock and second arm lock, with vacuum runner fixed disk rotation direction is preceding, first arm lock is located the front side of second arm lock, the one end that first arm lock and second arm lock are close to the cam is the rotating end, the rotatable installation of rotating end is on the vacuum runner rotary disk, the third negative pressure passageway has all been seted up on first arm lock and the second arm lock, when first arm lock and second arm lock are located negative pressure cavity top, third negative pressure passageway and negative pressure cavity intercommunication, first section that keeps away from the cam on first arm lock and the second arm lock is provided with reset spring, one end that is close to the cam on the first arm lock is provided with the bending arm of backward buckling, antifriction bearing, axostylus axostyle and fixed axle are triangle-shaped and distribute.

Optionally, the shaft hole has all been seted up to the rotation end of first arm lock and second arm lock, install the axostylus axostyle in the shaft hole, set up a plurality of screw thread through-holes that distribute on same circumference in pairs on the vacuum runner rotary disk, the bottom and the screw thread through-hole threaded connection of axostylus axostyle, and the bottom and the top laminating of vacuum runner rotary disk of first arm lock and second arm lock are provided with the passageway of ventilating on the axostylus axostyle, when the axostylus axostyle is located negative pressure cavity top, the passageway intercommunication of ventilating of third negative pressure passageway on first arm lock and the second arm lock through corresponding the axostylus axostyle.

Optionally, the pushing bow rod includes guide roller, pushes away the bow seat, compression spring and pushes away the bow rod, push away the top of bow seat and install on lower skirt edge, and push away and offer the sliding chamber in the bow seat, install in the sliding chamber and push away the bow rod, and push away the top of bow stem, the spout has been offered on the lateral wall upper shaft of pushing away the bow rod, the bottom of pushing away the bow rod is provided with a step, compression spring's one end and step butt, compression spring's the other end and the top butt in sliding chamber, the roller bearing is still radially installed to the bottom of pushing away the bow rod, guide roller installs on the roller bearing, and guide roller is located the outside of pushing away the bow seat, the round jack-up slide rail has been offered on the outer circumference lateral wall of chassis seat, guide roller rolls along the jack-up slide rail.

The invention has the following advantages:

1. the film transfer mechanism is arranged, so that the film can be continuously transferred to the film covering mechanism, continuous feeding of the film covering mechanism is realized, and then continuous film covering of the shell is completed under the action of the film covering mechanism;

2. According to the film transfer mechanism, the air distribution disc is arranged, so that the adsorption and demolding of the adsorption part are realized in the rotation process of the rotating piece, and further the film transfer action can be automatically completed;

3. According to the film covering mechanism, the movable clamping arms are opened and closed through rotation of the vacuum runner rotating disc, so that the films are opened, the shell is jacked into the opened films through the jacking bow rod, and the film covering of the shell is realized.

Drawings

FIG. 1 is a schematic diagram of the structure of the present invention;

FIG. 2 is a schematic diagram of a film sleeving mechanism;

FIG. 3 is a second schematic structural view of the film sleeving mechanism;

FIG. 4 is a schematic illustration of the relative positions of a cam and a movable collet;

FIG. 5 is a schematic view of the installation of a vacuum runner fixture disk, a vacuum runner rotating disk, a stationary shaft, and a tape tray;

FIG. 6 is a schematic view of the mounting of a movable clamp arm on a vacuum flow path rotating disk;

FIG. 7 is a schematic view of a vacuum flow channel fixture plate;

FIG. 8 is a schematic view of a movable arm clamp;

FIG. 9 is a second schematic diagram of a movable arm;

FIG. 10 is a schematic view of a second clamp arm;

FIG. 11 is a schematic cross-sectional view of a second clamp arm;

FIG. 12 is a schematic view of the communication structure of the arc-shaped groove, the ventilation channel and the negative pressure channel;

FIG. 13 is a schematic view of a belt tray;

FIG. 14 is a schematic cross-sectional view of a tape tray;

FIG. 15 is a schematic view of the structure of the pushing bow;

FIG. 16 is a schematic structural view of a film transfer mechanism;

FIG. 17 is a schematic view of the installation of a rotating member;

FIG. 18 is a schematic view illustrating the installation of the rotary member and the suction portion;

FIG. 19 is a schematic view of the structure of the rotating member;

FIG. 20 is a schematic cross-sectional view of a rotating member;

FIG. 21 is a schematic view of the structure of the gas separation tray;

fig. 22 is a schematic structural view of the adsorbing portion;

FIG. 23 is a schematic cross-sectional view of the adsorption section;

In the figure, 10-film transfer mechanism, 20-film covering mechanism, 100-rotating piece, 200-adsorption part, 300-supporting piece, 101-mounting groove, 102-screw hole, 103-first negative pressure channel, 104-limit step, 105-arc through hole, 106-step through hole, 201-mounting part, 202-adsorption arm, 204-countersunk hole, 205-adsorption head, 206-groove body, 207-second negative pressure channel, 208-sealing groove, 301-upper bearing seat, 302-shaft protecting sleeve, 303-lower bearing seat, 401-rotating shaft, 402-first expansion sleeve, 403-first expansion screw, 404-mounting disk, 501-gas distributing disk, 502-first arc groove, 503-gas hole, 504-key slot, 505-center hole, 701-fixed shaft, 702-second driven gear, 703-bearing housing, 705-chassis base, 706-carrying tray, 707-vacuum flow channel fixed tray, 708-vacuum flow channel rotating tray, 709-cam, 710-movable clamp arm, 711-second expanding sleeve, 712-first clamp arm, 713-second clamp arm, 714-bending arm, 715-shaft, 716-return spring, 717-rolling bearing, 718-shaft hole, 719-tooth, 720-third negative pressure channel, 721-arc groove, 722-threaded through hole, 723-second arc groove, 730-pushing bow bar, 731-sliding groove, 732-upper skirt, 733-lower skirt, 734-housing clamping groove, 735-ejection hole, 741-guide roller, 742-bow-pushing seat, 743-compression spring, 744-bow-pushing rod, 745-bow-pushing rubber head, 746-chute.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments. The components of the embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the invention, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, based on the embodiments of the invention, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the invention.

In addition, the embodiments of the present invention and the features of the embodiments may be combined with each other without collision.

It should be noted that like reference numerals and letters refer to like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.

In the description of the present invention, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are directions or positional relationships based on those shown in the drawings, or are directions or positional relationships conventionally put in use of the inventive product, or are directions or positional relationships conventionally understood by those skilled in the art, are merely for convenience of describing the present invention and for simplifying the description, and are not to indicate or imply that the apparatus or element to be referred to must have a specific direction, be constructed and operated in a specific direction, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like, are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.

In the description of the present invention, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, integrally connected, mechanically connected, electrically connected, directly connected, indirectly connected through an intermediary, or in communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.

As shown in fig. 1, a continuous film coating apparatus is mainly used for coating a cylindrical shell, and a cylindrical battery will be described in detail below, specifically, the film coating apparatus includes a rotatable film transfer mechanism 10 and a rotatable film coating mechanism 20, wherein the film transfer mechanism 10 is located at one side of the film coating mechanism 20, the film transfer mechanism is provided with an adsorption part 200 for adsorbing a film, the film coating mechanism 20 is provided with a movable clamp arm 710 for stretching the film, the adsorption part 200 moves the film onto the movable clamp arm 710 during rotation, the film is stretched along with rotation of the movable clamp arm 710, the film coating mechanism 20 is further provided with a pushing bow 730 for pushing the shell into the stretched film, in this embodiment, the film transfer mechanism 10 rotates, the film is completed during rotation, namely, the adsorption part 200 adsorbs the film, then the film rotates along with the adsorption part 200, when the film moves to a film transfer station, the film is transferred onto the movable clamp arm 710, further realizing film transfer, then during rotation along with the movable clamp arm 710, the movable clamp arm moves the film pushing the film into the stretched into the shell, and then pushes the film into the shell.

In this embodiment, as shown in fig. 16, the film transfer mechanism 10 includes a rotating member 100, a rotary air dividing device and a first driving device for driving the rotating member 100 to rotate, as shown in fig. 17 and 18, an adsorbing portion 200 is mounted on the rotating member 100, a second negative pressure channel 207 is opened on the adsorbing portion 200, a first negative pressure channel 103 is opened on the rotating member 100, the second negative pressure channel 207 is connected with the first negative pressure channel 103, as shown in fig. 21, a first arc-shaped groove 502 is opened on the rotary air dividing device, the first arc-shaped groove 502 is connected with a negative pressure device, when the adsorbing portion 200 adsorbs film, an air outlet of the first negative pressure channel 103 is communicated with the first arc-shaped groove 502, when the adsorbing portion 200 does not adsorb film, the air outlet of the first negative pressure channel 103 is not communicated with the first arc-shaped groove 502, in this embodiment, the film transfer mechanism 10 has a film adsorbing station and a film transfer station, the adsorption part 200 is at a film sucking station, when the air outlet of the first negative pressure channel 103 is just not communicated with the first arc-shaped groove 502, the adsorption part 200 is at a film transferring station, when film sucking transfer is needed, the first driving device drives the rotating part 100 to rotate, when the air outlet of the first negative pressure channel 103 of the rotating part 100 is just communicated with the first arc-shaped groove 502, i.e. the adsorption part 200 is just at the film sucking station, at this time, the second negative pressure channel 207, the first negative pressure channel 103, the first arc-shaped groove 502 and the negative pressure equipment are communicated, the preferred negative pressure equipment is a vacuum pump, and when the vacuum pump is vacuumized, a negative pressure is formed in the first arc-shaped groove 502, the first negative pressure channel 103 and the second negative pressure channel 207, so that the adsorption part 200 generates adsorption force, and the film is adsorbed on the adsorption part 200 under the adsorption force of the adsorption part 200, with the continuous rotation of the first driving device, the air inlet of the first negative pressure channel 103 rotates relative to the first arc-shaped groove 502, when the first negative pressure channel 103 is just not communicated with the first arc-shaped groove 502, the adsorption part 200 is at a film transferring station, at this time, the first negative pressure channel 103 and the second negative pressure channel 207 are not communicated with the air suction pipeline of the vacuum pump, at this time, no negative pressure is formed in the first negative pressure channel 103 and the second negative pressure channel 207, so that the adsorption part 200 can not generate suction force, the adsorption part 200 can not generate suction force on the film, at this time, the film is contacted with the movable clamping arm 710, the movable clamping arm 710 adsorbs the film and rotates along with the film, the rotating part 100 continuously rotates again, and when the adsorption part 200 rotates to the film sucking station again, the film is sucked, so that the continuous transfer of the film is completed.

In this embodiment, as shown in fig. 16 and 17, the rotary air dividing device comprises a supporting member 300 and an air dividing disc 501, the air dividing disc 501 is mounted on the supporting member 300, as shown in fig. 21, a first arc-shaped groove 502 is formed on the air dividing disc 501, a vent hole 503 connected with a negative pressure device is formed at the bottom of the first arc-shaped groove 502, preferably, as shown in fig. 21, the first arc-shaped groove 502 is a circular arc-shaped groove, and the vent holes 503 are three, the exhaust pipes of the vacuum pump are respectively connected with the three vent holes 503 in an airtight manner, a valve can be arranged on the exhaust pipes, the vacuum pump is normally opened, the exhaust of the vacuum pump to the first arc-shaped groove 502 can be disconnected by closing the valve, in this embodiment, the first driving device comprises a first driving unit, the first driving unit transmits power to the rotating shaft 401, further, a first driven gear is mounted on the rotating shaft 401, the first driving unit transmits power to the first driven gear through gear transmission, the rotating member 100 is installed on the rotating shaft 401, the bottom of the rotating member 100 is attached to the top of the air distribution disc 501, so that a certain air tightness is provided between the rotating member 100 and the air distribution disc 501, thereby ensuring that negative pressure can be formed in the first negative pressure channel 103, the second negative pressure channel 207 and the first arc-shaped groove 502, in addition, as the rotating member 100 and the air distribution disc 501 can rotate relatively, a wear-resisting layer can be coated on the bottom of the rotating member 100 and the top of the air distribution disc 501, in addition, lubricating oil can be distributed between the rotating member 100 and the air distribution disc 501, further, the supporting member 300 comprises an upper bearing seat 301, a shaft protection sleeve 302 and a lower bearing seat 303, the upper bearing seat 301 and the lower bearing seat 303 are connected through the shaft protection sleeve 302, bearings are installed on inner rings of the upper bearing seat 301 and the lower bearing seat 303, the bearing sleeve 703 is installed on the rotating shaft 401, through bolster 301 and bolster 303, can guarantee pivot 401 pivoted axiality, and axle protective sheath 302 can avoid pivot 401 to expose to guarantee pivot 401's life, in addition, have the flange on the bolster 303, bolster 303 passes through the bolt assembly and installs in the frame, and bolster 301 passes through axle protective sheath 302 again and is connected with bolster 303, and then can guarantee bolster 301 installation's steadiness, further, bolster 301 and axle protective sheath 302 are flange joint, bolster 303 and axle protective sheath 302 are flange joint.

In this embodiment, as shown in fig. 17, a circular groove is formed at the top of the upper bearing seat 301, the gas distribution plate 501 is installed in the circular groove, and the gas distribution plate 501 is locked by a key, preferably, a central hole 505 is formed in the center of the gas distribution plate 501, when the gas distribution plate 501 is installed, the top of the gas distribution plate 501 is flush with the upper end surface of the upper bearing seat 301, a key slot 504 is radially formed at the top of the gas distribution plate 501, the key slot 504 is located in the circular groove, the key slot 504 extends to the upper end surface of the upper bearing seat 301, and after the gas distribution plate 501 is installed in the circular groove, a key is installed in the corresponding key slot 504, so that the rotation of the gas distribution plate 501 can be stopped.

In this embodiment, as shown in fig. 17, a mounting plate 404 is sleeved on the top of the rotating shaft 401, a stepped through hole 106 is formed in the rotating member 100, the mounting plate 404 is installed in a large hole of the stepped through hole 106, a plurality of threaded holes are formed in the top of the mounting plate 404, the rotating member 100 is locked with the mounting plate 404 through a plurality of screws, further, as shown in fig. 19, a plurality of arc-shaped through holes 105 are formed in a limit step 104 of the stepped through hole 106, preferably, three arc-shaped through holes 105 are uniformly distributed on the same circumference, and three threaded holes are formed in the mounting plate 404, when the rotating member 100 is installed, the large hole of the stepped through hole 106 of the rotating member 100 is sleeved on the mounting plate 404, then the rotating member 100 is locked by screws, and when the rotating member 100 is installed, the lower surface of the rotating member 100 is attached to the top of the air distribution plate 501.

In this embodiment, as shown in fig. 17, the step hole is formed on the mounting disc 404, the raised center post is disposed on the rotating shaft 401, the large hole of the step hole is sleeved with the rotating shaft 401, the step of the step hole is abutted with the end face of the rotating shaft 401, the first expansion sleeve 402 is installed in the annular groove between the small hole of the step hole and the center post, the plurality of first expansion screws 403 uniformly distributed on the same circumference are installed on the outer end face of the first expansion sleeve 402, the rotating shaft 401 is of high precision equipment, the requirement is met, therefore, the processing of the rotating shaft 401 is relatively high, if the rotating shaft 401 and the mounting disc 404 are integrally formed, a large amount of raw materials are wasted, so that the production cost is increased, in this embodiment, the mounting disc 404 is installed through the first expansion sleeve 402, the installation stability of the mounting disc 404 is guaranteed, meanwhile, the production cost is also reduced, the rotating shaft 401 is simply processed, the mounting disc 404 is only required to be sleeved on the rotating shaft 401, then the step of the mounting disc 404 is abutted with the end face of the rotating shaft 401, then the first expansion sleeve 402 is required to be installed in the first annular groove, the first expansion sleeve 403 is finally, the first expansion sleeve 403 is required to be installed in the first annular groove, the first expansion sleeve 403 is required to be installed, the first expansion sleeve is required to be tightly installed, the first expansion sleeve 404 is required to be taken out, and the expansion screw is further expanded to be taken out, and the expansion sleeve 404 is required to be installed under the first expansion sleeve 404, and the expansion sleeve is required to be taken out, and the expansion screw is required to be tightly and expanded.

In this embodiment, as shown in fig. 17 and 18, the adsorption part 200 is detachably mounted on the rotating member 100, in this embodiment, the rotating member 100 is provided with a mounting groove 101, the air inlet hole of the first negative pressure channel 103 is located on the groove wall of the mounting groove 101, as shown in fig. 22 and 23, the adsorption part 200 is provided with a mounting part 201, the mounting part 201 is detachably mounted in the mounting groove 101, and the air outlet hole of the second negative pressure channel 207 is located on the mounting part 201, after the mounting part 201 is mounted in the mounting groove 101, the air outlet hole of the second negative pressure channel 207 is communicated with the air inlet hole of the first negative pressure channel 103, further, the position of the mounting groove 101 may be set at the top of the rotating member 100, or may be set at the bottom of the rotating member 100, or may be set on the side wall of the rotating member 100, if the mounting groove 101 is opened at the top and bottom of the rotating member 100, the volume of the film sucking rotating disc will be larger, and the second negative pressure channel 207 is troublesome to open, so that it is preferable that the installation groove 101 is opened on the outer side wall of the rotating member 100, further, as shown in fig. 19, the installation groove 101 is arranged in the axial direction, at this time, the air inlet hole of the first negative pressure channel 103 is positioned on the bottom of the installation groove 101, the air outlet hole of the second negative pressure channel 207 is positioned on the end face of the installation part 201, which is attached to the bottom of the installation groove 101, the air outlet hole of the first negative pressure channel 103 is positioned at the bottom of the rotating member 100, in this embodiment, the installation part 201 is detachably installed in the installation groove 101 by a screw, the installation groove 101 is opened with a screw hole 102, and the installation part 201 is opened with a countersunk hole 204, and when installed, the screw is passed through the countersunk hole 204 and locked with the screw hole 102, further, the size of the installation part 201 is matched with the size of the installation groove 101, so that after the installation part 201 is installed in the installation groove 101, the mounting groove 101 will limit the mounting portion 201, so that the mounting portion 201 cannot rotate around the screw as the axis.

In this embodiment, as shown in fig. 19, the attaching end surface of the mounting portion 201 and the bottom of the mounting groove 101 is an attaching surface, an annular sealing groove 208 is formed on the attaching surface, the sealing groove 208 surrounds the air outlet hole of the second negative pressure channel 207, a sealing piece is installed in the sealing groove 208, and the sealing piece is an O-shaped sealing ring.

In this embodiment, as shown in fig. 22 and 23, the adsorption portion 200 further includes adsorption arms 202 disposed in pairs, the adsorption arms 202 are mounted on the mounting portion 201, the adsorption arms 202 are distributed in an up-down interval, the air inlet holes of the second negative pressure channels 207 are located on the windward side of the adsorption arms 202, in this embodiment, the adsorption arms 202 and the mounting portion 201 are integrally formed, the adsorption arms 202 extend radially outwards, the adsorption arms 202 disposed in pairs and the mounting portion 201 form a U-shaped structure, during the rotation of the rotating member 100, the adsorption arms 202 are driven to rotate along with the rotating member 100, and during the rotation, the windward side of the adsorption arms 202 is the windward side, the windward side of the adsorption arms 202 is provided with raised adsorption heads 205, the windward side of the adsorption heads 205 is provided with grooves 206, the air inlet holes of the second negative pressure channels 207 are located on the bottoms of the grooves 206, preferably, the grooves 206 are rectangular grooves, and the cavities in the rectangular grooves form negative pressure cavities, so that the adsorption area of the membrane and the adsorption heads 205 can be ensured, and the stability of the membrane can be improved.

In this embodiment, as shown in fig. 23, the number of air inlets of the first negative pressure channels 103 is two, and the number of air inlets of the two first negative pressure channels 103 is two, the number of second negative pressure channels 207 is two, and the air outlet hole of the second negative pressure channel 207 above is communicated with the air inlet hole above the first negative pressure channels 103, and the air outlet hole of the second negative pressure channel 207 below is communicated with the air inlet hole below the first negative pressure channels 103, so that the two second negative pressure channels 207 work independently, and further the stability of the negative pressure in the second negative pressure channels 207 is ensured.

In this embodiment, as shown in fig. 2 and 3, the film sleeving mechanism 20 comprises a fixed shaft 701, a vacuum flow channel fixed disc 707, a chassis seat 705, a material carrying disc 706 and a movable clamping arm 710, in this embodiment, as shown in fig. 5, the top of the fixed shaft 701 passes through the vacuum flow channel fixed disc 707 and the vacuum flow channel rotating disc 708, and a cam 709 is mounted on the top of the fixed shaft 701, in this embodiment, the cam 709 is detachably mounted on the fixed shaft 701, preferably, as shown in fig. 4 and 5, the cam 709 is mounted on the fixed shaft 701 through a second expansion sleeve 711, that is, a step through hole is formed in the middle part of the cam 709, a small hole of the step through hole is matched with the fixed shaft 701, an annular groove is formed between a large hole of the step through hole and the fixed shaft 701, and the second expansion sleeve 711 is mounted in the annular groove, and finally, after the second expansion sleeve 711 is mounted in the annular groove, the second expansion sleeve 711 is locked again, so that the cam 709 and the fixed shaft 701 are stably mounted, and the cam 709 is mounted on the fixed shaft 701, preferably, the cam 709 is mounted on the fixed shaft 701 is also reduced in size, and the size of the fixed shaft 701 is not required to have the strength of the structure of the hole.

In this embodiment, the vacuum runner rotating disc 708 is driven by the second driving device to rotate relative to the fixed shaft 701, preferably, as shown in fig. 5, the second driving device includes a second driving unit and a bearing sleeve 703, bearings are installed at the top and bottom of an inner cavity of the bearing sleeve 703, the bearing sleeve 703 is installed on the fixed shaft 701, the vacuum runner rotating disc 708 is installed at the top of the bearing sleeve 703, a second driven gear 702 is sleeved on the outer circumference of the bearing sleeve 703, the second driven gear 702 is connected with the second driving unit through gear transmission, when the second driving unit transmits power to the second driven gear 702 through gear transmission, the bearing sleeve 703 drives the vacuum runner rotating disc 708 to rotate, in this embodiment, the first driving unit and the second driving unit may be one driving unit, and then a suitable transmission ratio is adjusted, so that when the adsorption part 200 is in a film transfer station, the precisely movable clamping arm 710 moves to the film transfer station to adsorb and clamp the film.

In this embodiment, as shown in fig. 6, a movable clamping arm 710 is installed at the top of the vacuum runner rotating disk 708, a third negative pressure channel 720 is opened on the movable clamping arm 710, in this embodiment, the vacuum runner fixing disk 707 is stationary relative to the fixed shaft 701, as shown in fig. 7, a second arc-shaped groove 723 is opened on the vacuum runner fixing disk 707, the second arc-shaped groove 723 is communicated with a vacuumizing device, the top of the vacuum runner fixing disk 707 is attached to the bottom of the vacuum runner rotating disk 708, a negative pressure cavity is formed between the second arc-shaped groove 723 and the vacuum runner rotating disk 708, when the movable clamping arm 710 rotates above the negative pressure cavity, the third negative pressure channel 720 is communicated with the negative pressure cavity, and after the third negative pressure channel 720 is communicated with the negative pressure cavity, the movable clamping arm 710 has an adsorption capacity at this time, so that a membrane can be adsorbed.

In this embodiment, the vacuum flow channel fixing plate 707 is mounted on the top of the chassis base 705, and the top of the fixing shaft 701 passes through the vacuum flow channel fixing plate 707 and the vacuum flow channel rotating plate 708, and a cam 709 is mounted on the top of the fixing shaft 701, a bending arm 714 is disposed on the movable clamping arm 710, a rolling bearing 717 is disposed on the bending arm 714, the rolling bearing 717 is always in contact with the outer edge of the cam 709, the movable clamping arm 710 rotates around the cam 709 for one circle, the movable clamping arm 710 completes one opening and closing, preferably, the second arc groove 723 is a semicircular arc groove, that is, when the vacuum flow channel rotating plate 708 rotates circumferentially, the movable clamping arm 710 has an adsorption capacity on a half circle, namely, 180 ° circumference, at this time, the movable clamping arm 710 adsorbs and opens the membrane, and the other half circle does not have the adsorption capacity.

In this embodiment, as shown in fig. 13 and 14, the tray 706 has an upper skirt 732 and a lower skirt 733, preferably, the upper skirt 732 extends radially inward, the lower skirt 733 extends radially outward, the upper skirt 732 is mounted on the vacuum runner rotating disc 708, in this embodiment, in order to facilitate the rotation of the movable clamp arm 710, the circumference where the upper skirt 732 is mounted is located outside the circumference where the shaft hole 718 is located, in this embodiment, the tops of the vacuum runner rotating disc 708, the vacuum runner fixed disc 707 and the chassis base 705 are all located in the cavity of the tray 706, the outer circumferential side wall of the tray 706 is provided with a housing clamping groove 734 for clamping the housing, the lower skirt 733 is mounted with a push-material bow 730, the push-material bow 730 pushes the housing in the housing clamping groove 734 up along with the rotation of the vacuum runner rotating disc 708, and when the movable clamp arm 710 is fully opened, and when the second driving device drives the vacuum runner rotating disc 708 to rotate, the tray 706 and the movable clamp arm 708 rotates along with the rotation of the vacuum runner rotating disc 708, that is, the housing clamping arm 710 is completely opened along with the rotation of the housing and the movable clamp arm 710, and the housing diaphragm is completely pushed down along with the rotation of the movable clamp arm 710, and the housing diaphragm is completely opened, and the housing diaphragm is completely pushed down along with the rotation of the housing clamping arm 710, and the housing frame is completely opened.

Preferably, as shown in fig. 8 and 9, the movable clamp arm 710 includes a first clamp arm 712 and a second clamp arm 713 engaged with each other, the first clamp arm 712 is located at the front side of the second clamp arm 713 with respect to the rotation direction of the vacuum flow path fixing plate 707, one ends of the first clamp arm 712 and the second clamp arm 713 near the cam 709 are rotation ends rotatably mounted on the vacuum flow path rotating plate 708, as shown in fig. 11 and 12, a third negative pressure channel 720 is opened on each of the first clamp arm 712 and the second clamp arm 713, and when the first clamp arm 712 and the second clamp arm 713 are located above the negative pressure cavity, the third negative pressure channel 720 is communicated with the negative pressure cavity, since the second arc groove 723 is connected with the vacuum pumping device, preferably, a through hole connected with a pipeline of a vacuum pumping device is arranged at the bottom of the second arc-shaped groove 723, the vacuum pumping device pumps air, at the moment, the negative pressure cavity is internally provided with negative pressure, and when the third negative pressure channel 720 is communicated with the negative pressure cavity, the third negative pressure channel 720 is internally provided with negative pressure, therefore, an adsorption force is generated at an air inlet of the third negative pressure channel 720, the membrane is adsorbed under the adsorption force, further, a return spring 716 is arranged at a first section of the first clamping arm 712 and the second clamping arm 713, which is far away from the cam 709, a backward bending arm 714 is arranged at one end of the first clamping arm 712, which is close to the cam 709, a rolling bearing 717, the shaft 715 and the fixed shaft 701 are distributed in a triangle shape, when the vacuum flow passage rotating disk 708 rotates, the movable clamp arm 710 rotates along with the vacuum flow passage rotating disk 708, the cam 709 is fixed, the rolling bearing 717 always contacts with the outer edge of the cam 709 during the rotation of the movable clamp arm 710, the track of the outer edge of the cam 709 changes, the moving track of the rolling bearing 717 changes along with the track of the outer edge of the cam 709, and when the rolling bearing 717 is positioned at the nearest end of the cam 709, namely, the space between the rolling bearing 717 and the fixed shaft 701 is minimum, at this time, the cam 709 passes through the rolling bearing 717, The bending arm 714 applies an external force to the first clamp arm 712 smaller than the tension of the return spring 716, so that the first and second clamp arms 712 and 713 are closed by the return spring 716, while the first and second clamp arms 712 and 713 are in a clamped state by the tension of the return spring 716, and when the rolling bearing 717 is positioned at the most distal end of the cam 709, i.e., the distance between the rolling bearing 717 and the fixed shaft 701 is maximized, the cam 709 passes through the rolling bearing 717, The external force applied by the bending arm 714 to the first clamping arm 712 is greater than the tension force of the return spring 716, so that the first clamping arm 712 and the second clamping arm 713 are opened and closed to the maximum distance, at this time, the first clamping arm 712 and the second clamping arm 713 are in a completely opened state, and the diaphragm is completely opened, further, the outer edge of the cam 709 is composed of a plurality of circular arc sections, wherein the farthest end of the cam 709 is the farthest circular arc, the nearest end of the cam 709 is the nearest circular arc, the front end of the farthest circular arc is connected with the rear end of the nearest circular arc through a gradual change arc with gradually reduced radius, the front end of the nearest circular arc is connected with the front end of the farthest circular arc through a transition arc with gradually increased radius, that is, when the rolling bearing 717 moves on the farthest circular arc, the movable clamping arm 710 is in an opened state, the diaphragm is opened, and when the rolling bearing 717 moves on the nearest circular arc, the movable clamp arm 710 is in a clamped state, when the rolling bearing 717 moves on the gradual arc, the movable clamp arm 710 transits from the open state to the clamped state, and when the rolling bearing 717 moves on the transition arc, the movable clamp arm 710 gradually opens, i.e. transits from the clamped state to the open state, in this embodiment, when the rolling bearing 717 moves on the gradual arc, the corresponding adsorption part 200 is located at the film moving station, further, the heights of the first clamp arm 712 and the second clamp arm 713 are smaller than the interval between the two adsorption arms 202, so that the first clamp arm 712 and the second clamp arm 713 can pass through the interval between the two adsorption arms 202, that is, the adsorption part 200 adsorbs two ends of the film, the movable clamp arm 710 adsorbs the middle part of the film, and during transferring the film, the edge of the film is firstly under the adsorption rotation action of the adsorption part 200, the film enters the gap between the first clamping arm 712 and the second clamping arm 713, then gradually goes deep into the gap between the first clamping arm 712 and the second clamping arm 713 along with the rotation of the suction part 200 and the rotation of the movable clamping arm 710, and when the suction part 200 rotates to the film transfer station, the film goes deep into the farthest ends of the first clamping arm 712 and the second clamping arm 713, and the second clamping arm 713 sucks the middle part of the film.

In this embodiment, as shown in fig. 10 and 11, the rotation ends of the first clamping arm 712 and the second clamping arm 713 are respectively provided with a shaft hole 718, a shaft lever 715 is installed in the shaft hole 718, the vacuum flow passage rotating disc 708 is provided with a plurality of threaded through holes 722 distributed on the same circumference in pairs, the bottom of the shaft lever 715 is in threaded connection with the threaded through holes 722, the bottoms of the first clamping arm 712 and the second clamping arm 713 are attached to the top of the vacuum flow passage rotating disc 708, the shaft lever 715 is provided with a ventilation channel, when the shaft lever 715 is located above the negative pressure cavity, a third negative pressure channel 720 on the first clamping arm 712 and the second clamping arm 713 is communicated through the ventilation channel corresponding to the shaft lever 715, further, teeth 719 are respectively provided at the rotation ends of the first clamping arm 712 and the second clamping arm 713, the first clamping arm 712 and the second clamping arm 713 are meshed through the teeth 719, so that after the first clamping arm 712 receives an external force, the first clamping arm 712 and the second clamping arm 713 rotate in opposite directions or back to back, further, as shown in fig. 12, the shaft 715 is large at two ends and small at the middle, external threads are provided at the bottom of the shaft 715, the top of the shaft 715 is matched with the shaft hole 718, the middle of the shaft 715 is provided with an air inlet of an air channel, therefore, the first clamping arm 712 and the second clamping arm 713 rotate around the corresponding shaft 715, the shaft 715 is not moved, the top of the shaft 715 seals the corresponding shaft hole 718 after the shaft 715 is locked, simultaneously, the bottom of the first clamping arm 712 and the bottom of the second clamping arm 713 are attached to the vacuum runner rotating disc 708 under the locking force of the shaft 715, therefore, the shaft holes 718 on the first clamping arm 712 and the second clamping arm 713 form a relatively sealed cavity, and when the shaft 715 moves above the negative pressure cavity, the air channel and the third negative pressure channel 720 form a communicated negative pressure air channel at this time, the membrane can be sucked, when the first clamping arm 712 and the second clamping arm 713 are opened, the membrane can be opened, further, the clamping surfaces of the first clamping arm 712 and the second clamping arm 713 are provided with arc grooves 721, the bottoms of the arc grooves 721 are provided with a plurality of air inlets communicated with the corresponding third negative pressure channels 720, and due to the existence of the arc grooves 721, a structure which is close to a circle can be formed when the membrane is opened, so that the membrane can be conveniently sleeved on the cylindrical shell.

In this embodiment, as shown in fig. 15, the pushing rod 730 includes a guide roller 741, a pushing rod seat 742, a compression spring 743, a pushing rod 744 and a pushing rod rubber head 745, the pushing rod seat 742 is cylindrical, the bottom of the pushing rod seat 742 is sealed, a through hole through which the pushing rod 744 passes is formed at the top of the pushing rod seat 742, the top of the pushing rod seat 742 is mounted on the lower skirt 733, preferably, the pushing rod seat 742 and the lower skirt 733 are detachably connected by screws, in this embodiment, a sliding cavity is formed in the pushing rod seat 742, a pushing rod 744 is mounted in the sliding cavity, the top of the pushing rod penetrates out of the top of the pushing rod seat 742, further, an ejection hole 735 corresponding to the housing clamping groove 734 is formed in the lower skirt 733, the top of the pushing rod 744 is ejected from the ejection hole 735, the pushing rod 745 is mounted at the top of the pushing rod 744 due to the existence of the pushing rod rubber head 745, therefore, the contact between the push bow glue head 745 and the shell is flexible, so that the shell is prevented from being damaged in the jacking process, the sliding groove 746 is axially formed in the outer side wall of the push bow rod 744, a step is formed in the bottom of the push bow rod 744, one end of the compression spring 743 is abutted against the step, the other end of the compression spring 743 is abutted against the top of the sliding cavity, the bottom of the push bow rod 744 is also radially provided with a rolling shaft, the guide roller 741 is arranged on the rolling shaft, the guide roller 741 is positioned on the outer side of the push bow seat 742, a circle of jacking sliding rail is formed in the outer circumferential side wall of the chassis seat 705, the guide roller 741 rolls along the jacking sliding rail, and in this embodiment, since the push bow rod 730, the belt tray 706 and the movable clamping arm 710 synchronously rotate along with the vacuum runner rotating disk 708, the shell cover is completed when the first clamping arm 712 and the second clamping arm 713 of the movable clamping arm 710 are in a fully opened state.

In this embodiment, the membrane is sleeved, namely, the membrane is transferred and the shell is sleeved, when the membrane is transferred, the first driving device drives the rotating shaft 401 to rotate, the rotating shaft 401 drives the rotating member 100 to rotate, and then the adsorbing portion 200 rotates, in the rotating process of the adsorbing portion 200, as the first arc-shaped groove 502 is formed in the gas separation disc 501, the adsorbing portion 200 is in two states of adsorbing membrane and non-adsorbing membrane, when the adsorbing portion 200 enters the membrane sucking station, the adsorbing portion 200 adsorbs the membrane, the membrane is gradually gathered towards the membrane transferring station along with the rotation of the rotating member 100, when the adsorbing portion 200 approaches the membrane transferring station, the movable clamping arm 710 corresponding to the adsorbing portion 200 also approaches the membrane transferring station, then the edge of the membrane firstly enters the first clamping arm 712 and the second clamping arm 713 under the adsorption rotation action of the adsorbing portion 200, then the membrane gradually reaches the first clamping arm 712 and the second clamping arm 713 along with the rotation of the movable clamping arm 710, when the adsorbing portion 200 enters the membrane transferring station, and the membrane is further advanced to the middle portion 20 along with the rotation of the adsorbing portion 713, and the membrane is further advanced to the membrane transferring station.

In the film sleeving process, the second driving device drives the vacuum flow passage rotating disc 708 to rotate, at this time, the pushing bow rod 730, the material carrying disc 706 and the movable clamping arm 710 rotate along with the vacuum flow passage rotating disc 708, when the rolling bearing 717 moves on the gradual arc, the third negative pressure channel 720 is communicated with the negative pressure cavity, the movable clamping arm 710 has adsorption capacity, thus the membrane can be adsorbed, namely the movement of the membrane is completed, at this time, the pushing bow rod 744 of the pushing bow rod 730 is in a lower stroke, along with the rotation of the vacuum flow passage rotating disc 708, the rolling bearing 717 enters the nearest arc of the cam 709, at this time, the first clamping arm 712 and the second clamping arm 713 clamp the membrane, so that the first clamping arm 712 and the second clamping arm 713 both adsorb the membrane, then along with the continuous rotation of the vacuum flow passage disc, the rolling bearing 717 enters the gradual arc and gradually moves towards the farthest arc, at this time, the first clamping arm 712 and the second clamping arm 713 are opened, the membrane is gradually opened, the pushing bow 730 is still in a lower stroke, when the rolling bearing 717 enters the furthest arc, the membrane is completely opened, the sliding groove 731 begins to climb, i.e. the pushing bow 730 begins to move upwards, so that the shell is lifted upwards, along with the continuous rotation of the vacuum flow channel rotating disc 708, the rolling bearing 717 rolls on the furthest arc, the shell is lifted into the opened membrane, the coating of the shell is completed, then the vacuum flow channel rotating disc 708 continues to rotate, the sliding groove 731 enters the downhill section, the pushing bow 730 moves downwards, the shell sleeved with the membrane is fed by the feeding device, in this embodiment, the feeding of the shell and the feeding of the shell sleeved with the membrane all belong to the prior art, therefore, no further description is performed, after the shell sleeved with the membrane is fed, along with the continuous rotation of the vacuum flow channel rotating disc 708, the rolling bearing 717 moves from the farthest arc to the gradual arc, and the film coating of the primary housing is completed.

Although the present invention has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present invention.

Claims

1. A continuous film covering device, characterized in that it comprises a rotatable film transfer mechanism and a rotatable film covering mechanism, the film transfer mechanism is located at one side of the film covering mechanism, the film transfer mechanism has an adsorption portion for adsorbing the film sheet, the film covering mechanism has a movable clamping arm for opening the film sheet, the adsorption portion moves the film sheet to the movable clamping arm during rotation, and the film sheet opens with the rotation of the movable clamping arm, the film covering mechanism also has a pusher bow rod for pushing the shell into the opened film sheet; the film covering device comprises a fixed shaft; a vacuum flow channel rotating disk, which is driven by a driving device to rotate relative to the fixed shaft, the movable clamping arm will be installed on the top of the vacuum flow channel rotating disk, and a negative pressure channel is opened on the movable clamping arm;

The vacuum flow channel fixed disk is stationary relative to the fixed axis, and a second arc groove is provided on the vacuum flow channel fixed disk, and the second arc groove is connected to the vacuum pumping device. The top of the vacuum flow channel fixed disk is in contact with the bottom of the vacuum flow channel rotating disk, and a negative pressure cavity is formed between the second arc groove and the vacuum flow channel rotating disk. When the movable clamping arm rotates to the top of the negative pressure cavity, the negative pressure channel is connected to the negative pressure cavity; the second arc groove is a semicircular arc groove;

A chassis seat, the vacuum flow channel fixed plate is installed on the top of the chassis seat, and the top of the fixed shaft passes through the vacuum flow channel fixed plate and the vacuum flow channel rotating plate, and a cam is installed on the top of the fixed shaft, a bending arm is provided on the movable clamping arm, and a rolling bearing is provided on the bending arm, and the rolling bearing is always in contact with the outer edge of the cam, and the movable clamping arm rotates around the cam for one circle, and the movable clamping arm completes one opening and closing;

A material tray, the material tray having an upper skirt and a lower skirt, the upper skirt is installed on the vacuum flow channel rotating disk, and the tops of the vacuum flow channel rotating disk, the vacuum flow channel fixed disk and the chassis seat are all located in the cavity of the material tray, and a shell clamping groove for clamping the shell is opened on the outer circumferential side wall of the material tray, and a material pushing bow rod is installed on the lower skirt, and the material pushing bow rod pushes the shell in the shell clamping groove upwards as the vacuum flow channel rotating disk rotates, and when the movable clamping arm is fully opened, the material pushing bow rod pushes the shell into the diaphragm.

2. A continuous film wrapping device according to claim 1, characterized in that: the film transfer mechanism comprises a rotating member, a rotating air separator and a first driving device that drives the rotating member to rotate, the adsorption part is installed on the rotating member, the adsorption part is provided with a second negative pressure channel, the rotating member is provided with a first negative pressure channel, the first negative pressure channel is connected to the second negative pressure channel, the rotating air separator is provided with a first arc groove, the first arc groove is connected to the negative pressure equipment, the film transfer mechanism has a film absorption station and a film transfer station, when the air outlet of the first negative pressure channel is just connected to the first arc groove, the adsorption part is in the film absorption station, when the air outlet of the first negative pressure channel is just not connected to the first arc groove, the adsorption part is in the film transfer station, and the adsorption part moves the film onto the movable clamping arm at the film transfer station.

3. A continuous film wrapping device according to claim 2, characterized in that: the rotating air separation device includes a support and an air separation plate, the air separation plate is installed on the support, the first arc-shaped groove is opened on the air separation plate, and the bottom of the first arc-shaped groove is provided with an air hole connected to the negative pressure device.

4. A continuous film-wrapping device according to claim 3, characterized in that: the supporting member comprises an upper bearing seat, a shaft protection sleeve and a lower bearing seat, the upper bearing seat and the lower bearing seat are connected by the shaft protection sleeve, and the inner rings of the upper bearing seat and the lower bearing seat are both equipped with bearings, the bearing sleeves are mounted on the rotating shaft, the rotating shaft is driven by the first driving device, the rotating member is mounted on the rotating shaft, and the bottom of the rotating member is in contact with the top of the gas separator, a circular groove is opened on the top of the upper bearing seat, the gas separator is mounted in the circular groove, and the gas separator is stopped by a key.

5. A continuous film covering device according to claim 4, characterized in that: a mounting groove is axially opened on the rotating member, the air inlet hole of the first negative pressure channel is located on the groove wall of the mounting groove, the adsorption part is provided with a mounting part, the mounting part can be detachably installed in the mounting groove, and the air outlet hole of the second negative pressure channel is located on the mounting part.

6. A continuous film covering device according to claim 5, characterized in that: the adsorption part also includes adsorption arms arranged in pairs, the adsorption arms are installed on the installation part, and the adsorption arms are distributed at intervals in the upper and lower parts, the air inlet hole of the second negative pressure channel is located on the windward surface of the adsorption arm, a raised adsorption head is provided on the windward surface of the adsorption arm, a groove body is opened on the windward surface of the adsorption head, and the air inlet hole of the second negative pressure channel is located on the groove bottom of the groove body.

7. A continuous film covering device according to claim 1, characterized in that: the movable clamping arm includes a first clamping arm and a second clamping arm that are meshed with each other, with the rotation direction of the vacuum flow channel fixed disk as the front, the first clamping arm is located at the front side of the second clamping arm, the ends of the first clamping arm and the second clamping arm close to the cam are rotating ends, and the rotating ends are rotatably installed on the vacuum flow channel rotating disk, and the first clamping arm and the second clamping arm are both provided with a third negative pressure channel, when the first clamping arm and the second clamping arm are located above the negative pressure cavity, the third negative pressure channel is connected to the negative pressure cavity, a return spring is provided on the first section of the first clamping arm and the second clamping arm away from the cam, and a bending arm bent backward is provided on the end of the first clamping arm close to the cam, and the rolling bearing, shaft rod and fixed shaft are distributed in a triangle.

8. A continuous film covering device according to claim 7, characterized in that: the rotating ends of the first clamp arm and the second clamp arm are both provided with an axial hole, an axle rod is installed in the axial hole, a plurality of threaded through holes distributed on the same circumference are provided in pairs on the vacuum flow channel rotating disk, the bottom of the axle rod is threadedly connected to the threaded through holes, and the bottom of the first clamp arm and the second clamp arm are in contact with the top of the vacuum flow channel rotating disk, a ventilation channel is provided on the axle rod, and when the axle rod is located above the negative pressure cavity, the third negative pressure channel on the first clamp arm and the second clamp arm is connected through the ventilation channel corresponding to the axle rod.

9. A continuous film sleeve device according to claim 1, characterized in that: the push bow rod comprises a guide roller, a push bow seat, a compression spring and a push bow rod, the top of the push bow seat is installed on the lower skirt, and a sliding cavity is opened in the push bow seat, the push bow rod is installed in the sliding cavity, and the top of the push bow rod passes through the top of the push bow seat, a sliding groove is opened on the shaft on the outer wall of the push bow rod, a step is provided on the bottom of the push bow rod, one end of the compression spring abuts against the step, and the other end of the compression spring abuts against the top of the sliding cavity, a roller is also radially installed on the bottom of the push bow rod, the guide roller is installed on the roller, and the guide roller is located on the outer side of the push bow seat, and a circle of jacking slide rail is opened on the outer circumferential side wall of the chassis seat, and the guide roller rolls along the jacking slide rail.