Membrane releasing mechanism convenient for supplementing membranes

The membrane feeding mechanism, which is linked to a pull-out membrane compartment and photoelectric sensors, enables automatic membrane replenishment and automatic equipment control. This solves the safety hazards and low production efficiency of manual membrane replenishment in existing technologies, and improves operational safety and production efficiency.

CN223812748UActive Publication Date: 2026-01-20SHENZHEN PORSHEALTH BIOENGINEERING CO LTD
View PDF 1 Cites 0 Cited by

Patent Information

Application Number
CN202520471646.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-18
Publication Date
2026-01-20
Estimated Expiration
2035-03-18

AI Technical Summary

Technical Problem

In existing technologies, membranes need to be manually replenished after they are used up, which leads to safety hazards and reduced production efficiency, as well as increased operational complexity and time costs.

Method used

Design a membrane feeding mechanism that facilitates membrane replenishment. Employ a pull-out membrane compartment, photoelectric sensor detection, and automatic control system to achieve automatic membrane replenishment and equipment start-up and shutdown. Combined with a drive component, it realizes automated membrane suction and feeding operations.

Benefits of technology

It improves the safety and convenience of film repair operations, enables continuous production, reduces the probability of workplace injuries and equipment failure risks, and increases production efficiency.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223812748U_ABST
    Figure CN223812748U_ABST
Patent Text Reader

Abstract

The utility model relates to a membrane releasing mechanism convenient for supplementing membranes. The membrane releasing mechanism comprises a membrane releasing rack, a membrane drawing bin assembly, a membrane absorbing and releasing assembly and a detection control assembly, a slideway is arranged on the inner side of the film placing rack; the drawing film bin assembly comprises a drawing film bin base arranged in the sliding way in a sliding mode and a film bin fixed to the top of the drawing film bin base, and the drawing film bin base can be partially moved out of the film placing rack along the sliding way to supplement films. The film suction and release assembly comprises a film suction nozzle rotating shaft rotationally connected to the bottom of the film drawing bin seat, a plurality of suction nozzles arranged on the film suction nozzle rotating shaft, and a driving assembly for driving the film suction nozzle rotating shaft to turn over in a reciprocating manner; the detection control assembly comprises a photoelectric sensor and a reflection part which are symmetrically arranged on the two sides of the film bin, the sensor is electrically connected with a control system in the matched equipment, and the control system automatically controls the equipment to be started and stopped through signals of the sensor. Operators do not need to enter equipment, so that the risk of collision with a rack structure is effectively avoided; and after film repairing, the film bin is pushed back to automatically recover operation.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to product filling and sealing technical field, more specifically relates to a film placing mechanism convenient for film patching. BACKGROUND

[0002] In the field of automatic product filling and sealing production, the film suction and placing mechanism is one of the core components in packaging and film covering processes. In the prior art, the film patch of the film bin needs to be manually supplemented after being consumed, and this process has the following defects: first, the operator needs to enter the rack inside after pausing the equipment to supplement the film, and frequent operation in the narrow space can easily cause collision damage between the personnel and the rack structure, which has safety hazards; second, the film supplement process needs to repeatedly start and stop the equipment, which reduces the production efficiency, and the manual intervention increases the operation complexity and time cost.

[0003] Therefore, how to provide a film placing mechanism convenient for film patching is a problem that needs to be solved by those skilled in the art. UTILITY MODEL CONTENT

[0004] Therefore, the purpose of the utility model is to provide a film placing mechanism convenient for film patching to solve the deficiencies in the prior art.

[0005] The technical scheme of the utility model is a film placing mechanism convenient for film patching, which comprises:

[0006] The film placing rack is provided with a slide on the inner side;

[0007] The pull-out film bin assembly comprises a pull-out film bin seat slidingly arranged in the slide, and a film bin fixed to the top of the pull-out film bin seat, and the pull-out film bin seat can move out of the film placing rack along the slide to supplement the film patch;

[0008] The film suction and placing assembly comprises a film suction nozzle shaft rotatably connected to the bottom of the pull-out film bin seat, a plurality of suction nozzles arranged on the film suction nozzle shaft, and a driving assembly driving the film suction nozzle shaft to reciprocally flip;

[0009] The detection control assembly comprises photoelectric sensors and reflection parts symmetrically arranged on both sides of the film bin to monitor the position of the film patch in the film bin, and the sensors are electrically connected to the control system in the matching equipment, and the control system automatically controls the start and stop of the equipment through the signals of the sensors.

[0010] According to the film placing mechanism of the utility model, two first tracks are arranged in parallel on the inner side of the film placing rack to form the slide, and two second tracks are arranged on the two sides of the pull-out film bin seat to cooperate with the sliding of the first tracks.

[0011] According to the film placing mechanism of the utility model, the pull-out film bin seat is provided with a pull-out handle outside.

[0012] The film warehouse is a row of film carrying frames arranged on the top of the pulling film warehouse seat, each of the film carrying frames is formed into an independent and light-transmitting film carrying space by a plurality of supporting columns.

[0013] According to the film placing mechanism, the interval between the at least two supporting columns is the width value of the film piece ear part, so that the film pieces are longitudinally arranged in order in the film carrying space.

[0014] According to the film placing mechanism, the sensor is a photoelectric sensor, and the reflection part is a part capable of reflecting a light source.

[0015] According to the film placing mechanism, the limiting part is partially fixed on the top of the pulling film warehouse seat and abuts against and limits the top of the film placing rack.

[0016] According to the film placing mechanism, the inside of the film suction nozzle rotating shaft is a vacuum suction channel, which is communicated with an external vacuum suction mechanism, and the film suction piece and the film placing piece are completed by driving the reciprocating and overturning of the film suction nozzle rotating shaft through the driving assembly.

[0017] According to the film placing mechanism, the driving assembly comprises:

[0018] A driving sprocket is connected with a power source through a chain;

[0019] A cam is coaxially connected with the driving sprocket;

[0020] A connecting rod is hingedly connected to the cam at one end;

[0021] A sliding plate has a hinged rod hingedly connected to the other end of the connecting rod at the outer side, and has a sliding block at the inner side, and the film suction nozzle rotating shaft is rotatably connected to the sliding plate and moves up and down along with the sliding plate;

[0022] A supporting plate is fixed on the equipment and has a third track matched with the sliding block at the side opposite to the sliding plate, and has a long slot in the middle for the film suction nozzle rotating shaft to overturn up and down;

[0023] A limiting pin is located around the long slot;

[0024] A profiling wheel is sleeved on the film suction nozzle rotating shaft and located in the space between the sliding plate and the supporting plate, and cooperates with the long slot and the limiting pin to drive the film suction nozzle rotating shaft to overturn to complete the film suction and film placing actions.

[0025] Compared with the prior art, the film placing mechanism has the following technical effects:

[0026] 1. The safety and convenience of the film supplement operation are improved;

[0027] The utility model discloses adopt the design of pull -out type membrane storehouse: through the pull -out membrane storehouse seat along the slide way and remove the membrane supplement, and the operator need not enter the inside of the equipment, effectively avoid the risk of knock -off with the rack structure, reduce the probability of industrial injury.

[0028] The light transmission membrane storehouse is linked with photoelectric detection: the light transmission design between the membrane storehouse support column ensures that the photoelectric sensor accurately detects the membrane piece margin, triggers the automatic stop signal, and after the membrane is supplemented, the membrane storehouse is pushed back to automatically restore operation, reducing manual start and stop operation.

[0029] The pull -out handle and the limiting portion assist positioning: the pull -out handle is convenient for the operator to apply force, and the limiting portion ensures the reset accuracy of the membrane storehouse, avoiding equipment failure caused by misplacement.

[0030] 2. Continuous production and automatic control are realized

[0031] The utility model discloses that the suction membrane and drive assembly cooperate: the drive assembly is linked through the chain wheel, the cam, the connecting rod and the profiling wheel, drives the suction membrane nozzle pivot to accurately overturn 180 DEG, completes the suction membrane, the membrane action, and ensures the continuous supply of the membrane piece.

[0032] The synchronism of vacuum suction and overturning action: the vacuum passage in the suction membrane nozzle pivot is communicated with the external suction vacuum mechanism, and the membrane piece is synchronously adsorbed / released in the overturning process, improving the action coherence.

[0033] 3. The equipment structure stability and the membrane piece arrangement accuracy are optimized

[0034] The utility model discloses double -track sliding guide: the cooperation design of the first track and the second track guarantees that the pull -out membrane storehouse seat slides stably, avoids the jamming;

[0035] The membrane piece ear portion limiting structure: the interval of at least two support columns is adapted to the width of the membrane piece ear portion, ensuring that the membrane piece is arranged in order in the longitudinal direction, preventing the lamination or deflection. DETAILED DESCRIPTION

[0036] In order to more clearly illustrate the technical scheme in the embodiment of the utility model or prior art, the following will be briefly introduced the drawing needed to be used in the embodiment or prior art description, obviously, the drawing in the following description only is the embodiment of the utility model, for the ordinary skilled person in the art, under the premise of not paying the creative labor, still can obtain other drawings according to the provided drawing.

[0037] Figure 1 The utility model provides a kind of structure schematic diagram of the membrane release mechanism of convenient membrane piece supplementing for the utility model;

[0038] Figure 2 The utility model provides a kind of side view of the membrane release mechanism of convenient membrane piece supplementing for the utility model;

[0039] Figure 3 The position relationship of the profiling wheel, the long slot and the limit pin is shown;

[0040] Figure 4 The film loading space enclosed by the support columns and the film placement mode are shown. DETAILED DESCRIPTION

[0041] Embodiments of the present application will be described in detail below, examples of which are shown in the drawings, wherein the same or similar reference signs represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by reference to the drawings are exemplary and are intended to explain the present application, and cannot be understood as a limitation of the present application.

[0042] In the description of the present application, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation of the present application.

[0043] Since the existing film cartridge needs to be manually replenished after the film is consumed, the operator needs to stop the equipment and enter the inside of the rack to replenish the film, and frequent operation in a narrow space can easily cause damage to the operator and the rack structure, which has safety hazards; the film replenishment process needs to repeatedly start and stop the equipment, which reduces the production efficiency, and the manual intervention increases the operation complexity and time cost.

[0044] Therefore, the present application provides a film loading mechanism facilitating film replenishment, referring to the accompanying Figures 1-3 , comprising: a film loading rack 1, a pull-out film cartridge assembly, a film suction and loading assembly, and a detection and control assembly;

[0045] The inner side of the film loading rack 1 is provided with a slide;

[0046] The pull-out film cartridge assembly comprises a pull-out film cartridge seat 2 slidingly arranged in the slide, and a film cartridge 3 fixed to the top of the pull-out film cartridge seat 2, and the pull-out film cartridge seat 2 can be partially moved out of the film loading rack 1 along the slide to replenish the film M;

[0047] The film suction and loading assembly comprises a film suction nozzle rotating shaft 8 rotatably connected to the bottom of the pull-out film cartridge seat 2, a plurality of suction nozzles 801 arranged on the film suction nozzle rotating shaft 8, and a driving assembly 5 driving the film suction nozzle rotating shaft 8 to reciprocally flip;

[0048] The detection control assembly comprises photoelectric sensors 7 and reflecting parts 6 symmetrically arranged on both sides of the film bin 3, which monitor the position of the film M in the film bin 3, and the sensors 7 are electrically connected with a control system in a matching device, and the control system automatically controls the start and stop of the device through the signals of the sensors 7.

[0049] Therefore, the utility model discloses a pull film bin seat along the slide to supplement the film, and the operator does not need to enter the inside of the equipment, effectively avoids the risk of knocking with the rack structure, reduces the probability of injury; the light-transmitting film bin and photoelectric detection linkage: the light-transmitting design between the film bin support columns ensures that the photoelectric sensor accurately detects the film piece surplus, triggers an automatic stop signal, and after the film is supplemented and the film bin is pushed back, the operation is automatically restored, reducing manual start and stop operation; improve the safety of personnel operation, also ensure the automatic operation of the equipment, improve production efficiency.

[0050] Advantageously, in an embodiment of the utility model, two first tracks 101 are arranged in parallel on the inside of the film loading rack 1 to form the slide, and two second tracks 201 are arranged on both sides of the pull film bin seat 2 to cooperate with the sliding of the first tracks 101. Therefore, the stable pulling of the pull film bin seat 2 is ensured.

[0051] In addition, the terms "first", "second" are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first", "second" can explicitly or implicitly include one or more of the features. In the description of the utility model, the meaning of "multiple" is two or more, unless otherwise specifically limited.

[0052] More advantageously, a pull handle is arranged outside the pull film bin seat 2 (not shown in the figure, but attached Figure 1 with corresponding bolt holes outside the pull film bin seat 2); improve the portability of pulling.

[0053] In another embodiment of the utility model, the film bin 3 is a row of film carrying racks arranged on the top of the pull film bin seat 2, and each of the film carrying racks is formed by a plurality of support columns 301 to form an independent and light-transmitting film carrying space.

[0054] Among them, a row of film carrying racks can be understood as a plurality of film carrying racks, such as 6, 8 or even more, arranged along the length direction of the pull film bin seat 2, which meets the use demand of simultaneously loading multiple rows of products.

[0055] Referring to the drawings Figure 4 In other embodiments of the utility model, the interval between at least two support columns 301 is the width value of the ear part of the film piece M, so as to limit the ordered longitudinal arrangement of the film piece M in the film carrying space; ensure the ordered longitudinal arrangement of the film piece M, and prevent the film piece M from being stacked or skewed.

[0056] In the above embodiment, the sensor 7 is an optical sensor, and the reflection part 6 is a part capable of reflecting light. The reflection part 6 can be a mirror, a metal plate having a light reflection property, or the like.

[0057] More advantageously, in some other embodiments of the utility model, a limiting part 4 is further included, one part of which is fixed to the top of the pull-out film warehouse seat 2, and the other part can abut against and limit the top of the film placing rack 1. The limiting part 4 can include a limiting block, an operating handle and a return spring. The limiting block is fixed to the top of the pull-out film warehouse seat 2, and the side of the limiting block facing the top of the film placing rack 1 is provided with a latch. The operating handle is hingedly connected to the limiting block through a rotating shaft, and is linked with the latch. The return spring is sleeved outside the latch, one end of the return spring abuts against the limiting block, and the other end abuts against the limiting flange of the latch. The top of the film placing rack 1 is provided with a locking hole corresponding to the position of the latch. When the operating handle is pressed, the latch is inserted into the locking hole to limit the sliding of the pull-out film warehouse seat 2. When the operating handle is pulled up, the latch is separated from the locking hole, and the return spring pushes the latch to retract, so that the pull-out film warehouse seat 2 can move along the slide.

[0058] The inside of the film suction nozzle rotating shaft 8 is a vacuum suction channel, which is communicated with the external vacuum suction mechanism, and the film suction piece and the film placing piece are completed by the reciprocating and overturning driven by the driving assembly 5. The vacuum suction channel in the inside of the film suction nozzle rotating shaft is communicated with the external vacuum suction mechanism, and the film suction piece and the film placing piece are synchronously adsorbed and released in the overturning process, so that the action continuity is improved.

[0059] Specifically, referring to the accompanying drawings, Figure 1 and 2 The driving assembly 5 includes a driving sprocket 501, a cam 502, a connecting rod 503, a sliding plate 505, a supporting plate 507, a limiting pin 509 and a profiling wheel 506.

[0060] The driving sprocket 501 is connected with a power source through a chain. The power source can be a part electrically connected with a device control system.

[0061] The cam 502 is coaxially connected with the driving sprocket 501, and the cam is an eccentric cam.

[0062] One end of the connecting rod 503 is hingedly connected to the cam 502, and the connecting rod 503 is driven to move up and down under the eccentric rotation of the cam.

[0063] The outer side of the sliding plate 505 is provided with a hinged rod 504 hingedly connected with the other end of the connecting rod 503, and the inner side of the sliding plate 505 is provided with a sliding block. The film suction nozzle rotating shaft 8 is rotatably connected to the sliding plate 505 and moves up and down along with the sliding plate 505.

[0064] The support plate 507 is fixed on the equipment, and a third track 508 matched with the sliding block is arranged on the side opposite to the sliding plate 505; and a long slot 5071 is arranged in the middle part for the up-down overturning of the film suction nozzle rotating shaft 8.

[0065] The limiting pin 509 is located around the long slot 5071.

[0066] The profiling wheel 506 is sleeved on the film suction nozzle rotating shaft 8 and located in the space between the sliding plate 505 and the support plate 507, and cooperates with the long slot 5071 and the limiting pin 509 to drive the film suction nozzle rotating shaft 8 to overturn 180° to complete the film suction and film releasing actions.

[0067] In the utility model, unless another definite provision and limitation, the terms "mount", "connect", "joint", "fix" and the like terms should be broad sense understanding, for example, can be fixed connection, also can be detachable connection, or be integrated; can be direct connection, also can be indirect connection through the intermediate medium, for the ordinary skill in the art, can understand the concrete meaning of the above terms in the utility model according to specific circumstances.

[0068] The utility model specific use process is as follows:

[0069] 1. Overall structure installation and initial state

[0070] The film releasing frame 1 is provided with a sliding channel, two first tracks 101 are installed in parallel on the inner side of the film releasing frame 1, and the second track 201 is installed on the both sides of the film drawing seat 2 correspondingly, and the sliding cooperation of the two forms the sliding channel.

[0071] The film bin 3 is fixed with the film drawing seat 2, the film bin 3 is fixed on the top of the film drawing seat 2 by bolt, the film bin 3 is enclosed into independent film loading space by a plurality of light-transmitting support columns 301, the spacing of the support columns is set as the ear width value of the film sheet M, and the vertical arrangement of the film sheet is ensured.

[0072] The photoelectric sensor 7 and the reflecting part 6 are installed, the photoelectric sensor 7 and the reflecting part 6 are symmetrically installed on the both sides of the film bin 3, and the signal line of the sensor 7 is connected to the equipment control system.

[0073] 2. Film supplementing operation and equipment start-stop control

[0074] Film supplementing triggers shutdown, when the film sheet in the film bin 3 is exhausted, the photoelectric sensor 7 detects that there is no film sheet to block the light source, and sends a shutdown signal to the control system, and the equipment is paused;

[0075] Pulling the film: the operator first lifts the limiting part 4 upward, pulls the film warehouse seat 2 along the slide outward through the pulling handle, at this time the film warehouse 3 is completely exposed, the film M is supplemented into the film loading space, after loading the film, the film warehouse seat 2 is pushed back, and the limiting part 4 is pressed against the top of the film loading machine frame 1, and the pulling and loading film is completed.

[0076] Reset automatic start: after the film is supplemented, the film warehouse seat 2 is pushed back, the photoelectric sensor 7 detects that the film blocks the reflected light source, sends a start signal, and the equipment resumes operation.

[0077] 3. Suction film and film releasing action execution process

[0078] Power transmission of drive assembly 5: external power source drives chain wheel 501 to rotate through chain, drives coaxially connected cam 502 to rotate;

[0079] Connecting rod 503 and sliding plate 505 linkage: cam 502 pushes sliding plate 505 to move up and down along the third track 508 of support plate 507 through connecting rod 503 and hinged rod 504;

[0080] Suction nozzle shaft 8 overturning control: sliding plate 505 drives suction nozzle shaft 8 to move up and down along long slot 5071, profiled wheel 506 moves up and down with suction nozzle shaft 8, and drives suction nozzle shaft 8 to overturn 180° under the constraint of limiting pin 509, so that suction nozzle 801 completes the actions of sucking film and releasing film. Referring to the accompanying Figure 3 , limiting pin 509 has five, arranged at both ends of long slot 5071, three on one side, the position of profiled wheel 506 shown by the dashed line in the figure is the constraint position of profiled wheel 506 and limiting pin 509; the shape of profiled wheel 506 and the specific cooperation with multiple limiting pins 509 are prior art, which will not be repeated here, and can be referred to patent document CN 215437050 U discloses a new type of nitrogen sealing dustproof film suction mechanism.

[0081] 4. Vacuum suction and film transfer

[0082] Vacuum suction stage: when suction nozzle shaft 8 overturns to the film suction position, the external suction vacuum mechanism is started, and suction nozzle 801 sucks film M through the internal channel of the shaft; film releasing stage: when the shaft overturns to the film releasing position, the vacuum is released, and the film M is accurately placed to the target work station.

[0083] In the description of the present specification, the description referring to the terms "one embodiment", "some embodiments", "an example", "a specific example", or "some examples" and the like means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present application. In the present specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art can combine and integrate different embodiments or examples described in the present specification.

[0084] Although the embodiments of the present application have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present application, and those skilled in the art can make changes, modifications, replacements and variations to the above embodiments within the scope of the present application.

Claims

1. A film placement mechanism facilitating membrane replenishment, characterized by, The application relates to a film placing frame (1) provided with a slide on the inner side. The film pulling-out bin assembly comprises a film pulling-out bin seat (2) slidingly arranged in the slide, and a film bin (3) fixed to the top of the film pulling-out bin seat (2), and the film pulling-out bin seat (2) can be moved out of the film placing frame (1) along the slide to replenish the film (M). The film sucking and placing assembly comprises a film sucking nozzle rotating shaft (8) rotatably connected to the bottom of the film pulling-out bin seat (2), a plurality of sucking nozzles (801) arranged on the film sucking nozzle rotating shaft (8), and a driving assembly (5) for driving the film sucking nozzle rotating shaft (8) to reciprocally rotate. The detection control assembly comprises photoelectric sensors (7) and reflecting parts (6) symmetrically arranged on the two sides of the film bin (3) and used for monitoring the position of the film (M) in the film bin (3), and the sensors (7) are electrically connected with a control system in a matched device, and the control system automatically controls the start and stop of the device through the signals of the sensors (7). Two first tracks (101) are arranged in parallel on the inner side of the film placing frame (1) to form the slide, and two second tracks (201) are arranged on the two sides of the film pulling-out bin seat (2) to match the first tracks (101) to slide.

2. The film placement mechanism of claim 1, wherein, A pulling handle is arranged on the outer side of the film pulling-out bin seat (2).

3. The film placement mechanism of claim 1, wherein, The film bin (3) is a row of film carrying frames arranged on the top of the film pulling-out bin seat (2), and each film carrying frame is formed by a plurality of supporting columns (301) to form independent and light-transmitting film carrying spaces.

4. The film placement mechanism of claim 1, wherein, The interval between at least two supporting columns (301) is the width of the ear part of the film (M) to limit the ordered longitudinal arrangement of the film (M) in the film carrying space.

5. The film placement mechanism of claim 4, wherein, The sensor (7) is a photoelectric sensor, and the reflecting part (6) is a component capable of reflecting light sources.

6. The film placement mechanism facilitating film replenishment according to any one of claims 1-5, wherein, A limiting part (4) is arranged on the top of the film pulling-out bin seat (2) and can abut against the top of the film placing frame (1) to limit the position.

7. The film placement mechanism facilitating film replenishment of any of claims 1-5, wherein, The inside of the film sucking nozzle rotating shaft (8) is a vacuum suction channel which is communicated with an external vacuum suction mechanism, and the film sucking nozzle rotating shaft (8) is driven by the driving assembly (5) to reciprocally rotate to suck and place the film.

8. The film placement mechanism facilitating film replenishment of any of claims 1-5, wherein, The driving assembly (5) comprises:

9. The film placement mechanism of claim 8, wherein, A driving chain wheel (501) connected with a power source through a chain; A cam (502) coaxially connected with the driving chain wheel (501); A connecting rod (503) hingedly connected to the cam (502); A sliding plate (505) having a hinge rod (504) hingedly connected to the other end of the connecting rod (503) on the outer side, and having a sliding block on the inner side, and the film sucking nozzle rotating shaft (8) is rotatably connected to the sliding plate (505) and moves up and down along with the sliding plate (505); A supporting plate (507) fixed to the device and provided with a third track (508) matched with the sliding block on the side of the sliding plate (505); and a long slot (5071) in the middle of the supporting plate (507) for the up-and-down rotation of the film sucking nozzle rotating shaft (8); A limiting pin (509) located around the long slot (5071). ​ A profiled wheel (506) is sleeved on the film suction nozzle rotating shaft (8) and located in the space between the sliding plate (505) and the support plate (507), cooperates with the long slot (5071) and the limiting pin (509), drives the film suction nozzle rotating shaft (8) to overturn 180° to complete the film suction and film release actions.

Citation Information

Patent Citations

  • Novel nitrogen sealing dustproof film suction mechanism

    CN215437050U