CN118205774B - Continuous high-speed film sealing mechanism and film sealing machine - Google Patents
Continuous high-speed film sealing mechanism and film sealing machine Download PDFInfo
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- CN118205774B CN118205774B CN202410628487.1A CN202410628487A CN118205774B CN 118205774 B CN118205774 B CN 118205774B CN 202410628487 A CN202410628487 A CN 202410628487A CN 118205774 B CN118205774 B CN 118205774B
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- 238000003825 pressing Methods 0.000 claims abstract description 93
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B35/00—Supplying, feeding, arranging or orientating articles to be packaged
- B65B35/10—Feeding, e.g. conveying, single articles
- B65B35/24—Feeding, e.g. conveying, single articles by endless belts or chains
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B25/00—Packaging other articles presenting special problems
- B65B25/14—Packaging paper or like sheets, envelopes, or newspapers, in flat, folded, or rolled form
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B35/00—Supplying, feeding, arranging or orientating articles to be packaged
- B65B35/06—Separating single articles from loose masses of articles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B35/00—Supplying, feeding, arranging or orientating articles to be packaged
- B65B35/10—Feeding, e.g. conveying, single articles
- B65B35/22—Feeding, e.g. conveying, single articles by roller-ways
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B47/00—Apparatus or devices for forming pockets or receptacles in or from sheets, blanks, or webs, comprising essentially a die into which the material is pressed or a folding die through which the material is moved
- B65B47/04—Apparatus or devices for forming pockets or receptacles in or from sheets, blanks, or webs, comprising essentially a die into which the material is pressed or a folding die through which the material is moved by application of mechanical pressure
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Containers And Plastic Fillers For Packaging (AREA)
Abstract
The invention relates to the technical field of automatic equipment, and particularly discloses a continuous high-speed film sealing mechanism and a film sealing machine. The membrane passes through the first material conveying opening in a stacking mode, is flattened through the membrane pressing assembly, prevents the front end from tilting, and is then sent to the second material conveying opening and the material pressing opening through the first transmission assembly. And a third material conveying port of the second transmission assembly conveys the films to the film sealing assembly according to a single film. And each material conveying opening and the membrane inlet are positioned at the same horizontal height, so that the horizontal conveying of the membrane is ensured. The elastic design of the film pressing component is that the free end is provided with an arc structure. And a feeding part is additionally arranged to ensure that a single membrane enters the membrane sealing position. The film sealing machine is provided with a position sensing unit and an automatic loading assembly, and when the front end of the film reaches the inlet, the automatic loading assembly moves to the lower part of the film sealing piece to accurately seal. The invention realizes the continuous high-speed flow from stacking to single Zhang Fengzhuang, and greatly improves the production efficiency and the packaging quality.
Description
Technical Field
The invention relates to the technical field of automatic equipment, in particular to a continuous high-speed film sealing mechanism and a film sealing machine.
Background
In modern industrial production and packaging industry, the continuous high-speed film sealing technology has important significance in the aspects of improving production efficiency, reducing production cost, guaranteeing product packaging quality and the like.
The traditional film sealing process generally adopts a single Zhang Mopian grabbing mode to seal, each step of the mode needs accurate positioning and grabbing, and particularly when the occasion of large-scale continuous production is processed, the pause time of single grabbing is accumulated, so that the production efficiency is greatly reduced. In addition, the transfer of the film sheets from the stacked state to the individual separation often requires a complex separation mechanism and precise control, which also limits the operating speed of the overall apparatus.
To prevent stacking of the membranes during transport, some existing techniques may solve the problem by extending the membrane formation time or increasing the membrane space available, which results in a larger footprint and higher space requirements for the device. For example, increasing the distance from the film entrance to the film sealing area, or using a large buffer mechanism to store individual films to be sealed, all of which make the overall size of the apparatus large, are disadvantageous for layout and resource optimization in compact production lines.
In view of the foregoing, a need exists for a new technology for film sealing process that overcomes these inherent drawbacks and achieves a more efficient, compact, and stable continuous high-speed film transfer scheme.
Disclosure of Invention
The invention aims to provide a continuous high-speed film sealing mechanism and a film sealing machine, which are used for solving the problem that the prior art proposed in the background art cannot realize a more efficient, compact and stable continuous high-speed film transmission scheme.
In order to achieve the above purpose, the present invention provides the following technical solutions:
A continuous high-speed film sealing mechanism and a film sealing machine comprise a discharging bin, a film pressing assembly, a first transmission assembly, a film sealing assembly and a second transmission assembly; the discharging bin is provided with a first material conveying opening, and the first material conveying opening allows the diaphragms to pass through in an overlapping mode; the film pressing assembly forms a material pressing opening through which the film passes, and the material pressing opening is used for preventing the front transmission end of the film from tilting and passing through the material pressing opening smoothly; the first transmission assembly forms a second material conveying opening, and is used for continuously conveying the membrane passing through the first material conveying opening to the material pressing opening through the second material conveying opening; the membrane sealing assembly is provided with a bracket and a membrane sealing piece, wherein a membrane inlet is formed on one side of the bracket, and the membrane sealing piece is arranged on the bracket and is used for packaging the membrane entering from the membrane inlet; the second transmission assembly forms a third material conveying opening which allows a single membrane to pass through and is used for conveying the membrane to the membrane inlet; the length of the diaphragm is recorded as B, the distance between the first material conveying opening and the second material conveying opening is L1, the distance between the second material conveying opening and the material pressing opening is L2, the distance between the material pressing opening and the third material conveying opening is L3, L1 is less than L2 and less than L3, L2 is less than or equal to L3 and less than or equal to 2B.
Further, the bottoms of the first material conveying opening, the second material conveying opening, the material pressing opening, the third material conveying opening and the membrane inlet are located at the same horizontal height.
Further, the first transfer assembly has a first transfer portion, the speed of which in the direction of travel of the film sheet is denoted as V1, and the second transfer assembly has a second transfer portion, the speed of which in the direction of travel of the film sheet is denoted as V2, and L3/V2< L2/V1.
Further, the film pressing assembly is provided with a film pressing part, one end of the film pressing part is elastic, and the film pressing part can form the material pressing opening when the front conveying end of the film sheet is in contact with the free end of the film pressing part.
Further, the free end of the film pressing part is provided with an arc part, the circle center of the arc part faces upwards, and the open end of the arc part is far away from the first material conveying opening along the advancing direction of the film.
Further, the device also comprises a feeding part, wherein the feeding part is arranged between the pressing port and the third material conveying port, one end of the feeding part, which is close to the third material conveying port, is provided with a feeding port, and the feeding port allows the single membrane to pass through.
Further, the included angle between the feeding part and the horizontal plane is smaller than the included angle between the arc part and the horizontal plane.
Further, the interval between the feeding port and the third material conveying port is L4, L4 is less than B, and L4 is less than L2.
Further, the first conveying part extends into the discharging bin and is used for conveying the membrane in the discharging bin to the second conveying opening through the first conveying opening.
The invention also provides a film sealing machine, which comprises the continuous high-speed film sealing mechanism, a position sensing unit and an automatic loading assembly; the position sensing unit is arranged at the opposite side of the diaphragm inlet; the automatic loading assembly is movably arranged on the lower side of the film sealing piece; when the position sensing unit recognizes that the front end of the film is conveyed to the film inlet, the automatic loading assembly can move to the position right below the film sealing piece, and the film sealing piece moves downwards to be packaged.
The continuous high-speed film sealing mechanism and the film sealing machine have the advantages compared with the prior art that:
continuous conveying of the membrane is realized through the specially designed discharging bin, the first conveying component and the second conveying component, production efficiency is greatly improved, and the device is particularly suitable for the requirement of large-scale and rapid production.
The first material conveying opening of the discharging bin allows the diaphragms to pass through in an overlapping mode, storage space and processing time are saved, meanwhile, the front ends of the diaphragms are prevented from tilting in the transmission process through the material pressing opening of the diaphragm pressing assembly, the diaphragms can pass through smoothly, and follow-up single-sheet separation and packaging are facilitated.
The second passes between material mouth and the swager mouth to and the interval reasonable in design between swager mouth and the third passes the material mouth, ensures that the diaphragm can smooth transition and realize single separation in the suitable position, and the third passes the material mouth and allows single diaphragm to pass through, seals the membrane subassembly and is responsible for encapsulating single diaphragm accurately, has guaranteed the seal membrane quality.
Through reasonable design to L1, L2, L3's interval, both satisfied the diaphragm from stacking to the technological requirement of single separation, reduced equipment volume again to a certain extent, improved space utilization.
In summary, the invention can realize rapid, continuous and accurate membrane separation and packaging processes, and simultaneously has a plurality of key advantages of optimizing equipment space, reducing membrane loss, improving production efficiency and the like.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a second schematic diagram of the overall structure of the present invention;
FIG. 3 is a partial cross-sectional view of the present invention;
FIG. 4 is an enlarged view of a first feed port according to the present invention;
FIG. 5 is an enlarged view of a third transfer port according to the present invention;
FIG. 6 is an enlarged view of a press membrane assembly of the present invention;
FIG. 7 is an enlarged view of the feeding portion of the present invention.
The reference numerals and corresponding part names in the drawings:
10. The device comprises a main body, 101, a cover plate, 20, a discharging bin, 201, a pressing plate, 30, a first material conveying opening, 40, a second material conveying opening, 401, a first conveying part, 50, a pressing opening, 60, a third material conveying opening, 601, a second conveying part, 70, a diaphragm inlet, 801, a bracket, 802, a film sealing piece, 901, a film pressing part, 902, an arc part, 91 and a feeding part.
Detailed Description
The present invention will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
Example 1 on a conventional continuous film sealing line, the film sheet often faces many challenges in the process from the stacked state to the final packaged product. In the prior art, when the membrane passes through the transmission and separation links, the problems that the front end of the membrane is tilted, a plurality of membranes enter the packaging area simultaneously and the like easily occur due to the lack of an effective separation mechanism, so that the packaging quality is unstable, the yield of products is reduced, and even the production line is frequently stopped and maintained when serious.
These problems are particularly pronounced, especially under high speed operating conditions. For example, due to the fact that the speed of the membrane is too high or the separation mechanism is imperfect in the continuous transmission process, the membrane can be overlapped to pass through the material conveying opening, so that folds and dislocation are generated in the subsequent packaging process or effective packaging cannot be completed at all, and production efficiency and product quality are seriously affected.
As shown in fig. 1-5, in the continuous high-speed film sealing mechanism and film sealing machine provided in this embodiment, the feeding bin 20 is of an open box structure, so that a user can conveniently put in a prefabricated film stack, a first material conveying opening 30 is formed in the bottom of a relatively closed surface of the box, the height of the first material conveying opening is generally set to be 2 to 5 times of the height H of the single Zhang Mopian, for example, 3 times of the height H, and the design aims to successfully complete the primary separation of the film stack.
It is noted that the top end of the discharging bin 20 is provided with a pressing plate 201 which is slidably connected with the sliding grooves on two sides of the box body through a sliding rod, so that the pressing plate 201 can move up and down freely, and the top of the pressing plate 201 is also provided with a handle, so that an operator can lift or put down according to the requirement. When no membrane is loaded in the discharging bin 20, the pressing plate 201 naturally sags under the action of gravity; when the membrane needs to be placed, an operator only needs to slightly lift the pressing plate to a proper height through a handle at the top of the pressing plate 201, then stacks the membranes into the pressing plate in order, finally, the operator releases hands, the pressing plate 201 slowly presses down under the induction of gravity, and proper pressure is applied to the bottommost membrane, so that the membranes can pass through the first material conveying opening 30 with proper height orderly.
In operation, the first feed gap 30 is capable of receiving and allowing the stack of diaphragms to pass continuously in an overlapping configuration. Thanks to the steady pressure created by the dead weight of the platen 201, the bottom membrane will be compacted and delivered to the first transfer port 30 at a uniform speed. Because the pressure plate 201 adopts the design of the free falling principle, when the bottom membrane is separated, the upper membrane can slide down sequentially under the drive of gravity, so that continuous and stable supply of the membranes is realized. Along with the gradual descent of the membrane stack, the pressure plate 201 continuously applies uniform pressure to ensure the close fit between the membranes, effectively prevent the loosening or dislocation problem in the primary separation process, and lay a solid foundation for the accurate separation of the subsequent single membranes.
The membrane pressing assembly can be a height-adjustable movable mechanism, for example, the membrane pressing assembly can adopt a flexible pressing plate controlled by air pressure or hydraulic pressure, and the flexible pressing plate can be contacted with the membrane with proper height and pressure by precisely controlling the air pressure or the hydraulic pressure, so that a material pressing opening 50 which can prevent the front end of the membrane from tilting and ensure the membrane to pass smoothly is formed.
The material pressing opening 50 is unique in that the material pressing opening not only can adapt to the diaphragms with different thicknesses and materials, but also can form a slit which only allows a single Zhang Mopian to pass through according to the requirement through height adjustment, so that a plurality of diaphragms can be effectively prevented from entering a subsequent link at the same time, and the continuity of the transmission process is ensured. The design of the flexible pressing plate with adjustable height can ensure that separation and smooth conveying of the single Zhang Mopian can be quickly and accurately realized no matter how the thickness of the stacked films changes in the continuous high-speed production process, and the adaptability and the production efficiency of the equipment are obviously improved.
The first transmission assembly is arranged between the first material conveying opening 30 and the film pressing assembly, the first transmission assembly is used for smoothly guiding the film which is preliminarily separated through the first material conveying opening 30 to the material pressing opening 50, the first transmission assembly can be a gear-collaborative conveyor belt system, and motor driving is adopted, so that the dynamic stability and accuracy in the film transmission process are ensured. The motor is connected with the gear through the precise transmission mechanism, and the meshing of the gear ensures the synchronous movement of the conveyor belt. The set of drive systems is capable of precisely controlling the linear speed and tension of the conveyor belt so that the initially separated film sheet through the first transfer port 30 can be continuously and smoothly transferred to the nip 50 at the second transfer port 40 at an appropriate speed.
Particularly, the transmission surface of the conveyor belt needs to have a certain roughness, and the roughness is designed to ensure that the film keeps a stable single-layer state in the high-speed movement process by increasing the friction force between the film at the bottommost layer and the conveyor belt, and even after the primary separation, the film can be further refined and separated in the process of contacting with the conveyor belt, so that the secondary separation of the film in the high-speed transmission process is further realized, the single-layer film can be ensured to independently and accurately enter the material pressing port 50, and the problem that the films are re-adhered or stacked in the high-speed movement process is effectively avoided.
In order to further optimize the separation and transmission process of the membrane, a first rolling shaft is additionally arranged at one end, far away from the first discharge hole, of the conveyor belt of the first transmission component, a second material conveying hole 40 is formed in a gap between the first rolling shaft and the conveyor belt, one end of the first rolling shaft is precisely connected with a gear transmission system through a synchronous belt, and the running speed synchronization of the first rolling shaft and the conveyor belt is ensured, so that the membrane can be stably and consistently processed when passing through the second material conveying hole 40.
The arrangement of the first roller has multiple functions: firstly, the additional friction force generated between the first roller and the membrane helps the membrane to more smoothly transition from the conveyor belt to the next mechanism, and particularly in a high-speed continuous running environment, the design can effectively prevent the membrane from sliding or misplacing due to inertia or other reasons in the process of transmission, and ensure continuous and stable forward pushing of the membrane.
Secondly, the first roller also has the function of leveling the membrane. When the membrane passes through the second material conveying opening 40, the first rolling shaft can level the membrane which may have tiny undulation or folding through the rotation and the surface characteristics of the first rolling shaft, so that the stacking or clamping stagnation phenomenon of the membrane caused by the unevenness in the subsequent process is effectively prevented, and the efficient and stable operation of the continuous high-speed membrane sealing mechanism is further ensured.
The sealing membrane assembly mainly comprises a support 801 and a sealing membrane piece 802, wherein the support 801 can be made of high-strength metal materials such as stainless steel or aluminum alloy, and one side of the support is provided with a membrane inlet 70 and is used for packaging membranes entering from the membrane inlet 70. The design of the support 801 pays attention to the bearing capacity and the heat dissipation performance, and a precise guide rail and a positioning mechanism are arranged in the support to ensure that the film sealing piece 802 can precisely and smoothly move and effectively position the film in the packaging process.
The sealing film 802 is mounted on the support 801, and optionally made of alloy steel, and has a teflon coating on the surface to improve the anti-blocking property. The sealing membrane 802 typically includes components such as a heating element that is responsible for providing the temperature required for heat sealing, a pressure regulating mechanism that ensures that the membrane is subjected to the proper pressure during the packaging process, and a sealing die that is custom-made according to the shape and size of the object to be packaged, ensuring a tight and uniform heat seal interface between the membrane and the object.
The second transmission assembly plays a key role in the continuous high-speed film sealing mechanism, is arranged between the film pressing assembly and the film sealing assembly, adopts a gear cooperative transmission belt system driven by a motor, and ensures the stability and the accuracy of the film in the continuous transmission process. And a second rolling shaft is specially designed at one end of the second transmission assembly, which is close to the film sealing assembly, and the rolling shaft is connected with a gear of the second transmission assembly through a synchronous belt in a precise transmission manner, so that the running speed synchronization between the rolling shaft and the conveying belt is ensured, and the film is effectively guided to pass smoothly.
The gap between the second roller and the second transfer assembly conveyor forms a critical third feed gap 60, the height of which is carefully calculated to be slightly greater than the height of the individual sheets, ensuring that the individual sheets can pass unobstructed without stacking. The detail design further enhances the single-chip separation effect of the membrane from the membrane pressing assembly to the membrane sealing assembly, and ensures the smoothness and stability of the continuous high-speed membrane sealing process.
The conveyer belt of second transmission subassembly has not only adopted the material that has specific roughness, and its surface has still adopted special texture design, aims at increasing the frictional force with the diaphragm, ensures that the diaphragm can stably laminate on the conveyer belt in high-speed transmission process, avoids the slip or dislocation phenomenon because of the speed is too fast.
This roughness design is not only intended to improve the stability of the membrane during transport, but more importantly it assists in achieving a more accurate separation of individual membranes. After the membrane passes through the membrane pressing assembly, the membrane which is not completely separated due to static electricity, adhesion and the like is possibly generated, and when the membrane is contacted with the rough surface of the conveyor belt, the peeling of the single Zhang Mopian can be further promoted due to the increase of friction force, so that a plurality of membranes can be effectively prevented from entering the third material conveying opening 60 at the same time, and the smooth proceeding of the subsequent packaging process is ensured.
In the design of the continuous high-speed film sealing mechanism, if the length of the film is recorded as B, the distance between the material conveying openings is carefully designed so as to ensure that the film can be effectively separated and accurately positioned in the high-speed continuous transmission process.
Specifically, first, the distance L1 between the first material conveying opening 30 and the second material conveying opening 40 is obviously smaller than the length B of the membrane, so that the membrane can enter the second material conveying opening 40 quickly after the first separation, and the condition of incomplete separation or stacking is avoided.
Second, the spacing L2 between the second transfer port 40 and the nip 50 is designed to be less than the membrane length B but greater than L1, which provides sufficient buffer area for the membranes so that the membranes can be further flattened and separated before entering the nip 50, ensuring that a single membrane can pass through the nip 50 smoothly, preventing subsequent sealing quality from being affected by front end cocking.
Then, the distance L3 between the pressing port 50 and the third material transmitting port 60 is between the membrane length B and two times of the membrane length 2B, so that the single membrane can be accurately fed into the third material transmitting port 60 after being flattened through the pressing port 50, and meanwhile, sufficient operation space is provided for the membrane sealing assembly, and high efficiency and stability of the membrane sealing process are ensured.
Through such accurate distance control and overall arrangement, whole continuous high-speed film sealing mechanism can be when guaranteeing high-speed production efficiency, has realized the membrane and has gone into continuous stable transmission's overall process automation management from stack state to single separation again.
Embodiment 2 in order to ensure that the membrane can pass through each component smoothly and accurately during continuous high-speed transportation, the bottoms of the first transfer port 30, the second transfer port 40, the pressing port 50, the third transfer port 60 and the membrane inlet 70 are all positioned at the same level. Such design optimization has several significant advantages:
by maintaining all of the feed inlets and the bottom of the diaphragm inlet 70 on the same horizontal plane, the diaphragm does not need to be lifted in the vertical direction during passing through each link, thereby reducing the impact and vibration caused by the height difference and ensuring the stability of the diaphragm during high-speed continuous transmission.
The design of the horizontal height can avoid the deflection or dislocation of the membrane caused by the height difference in the transmission process, ensures the accurate butt joint of the membrane when the membrane is transited from one material conveying port to the next material conveying port, and effectively prevents the problems of blockage, stacking or sealing leakage and the like caused by improper membrane positions.
All the material conveying openings are positioned at the same horizontal height, so that the whole structure of the equipment is simpler, the complexity of the equipment in the installation and debugging processes is reduced, and the equipment can be conveniently and rapidly and accurately adjusted to an optimal working state.
The uniform horizontal height design is beneficial to improving the processing precision of the membrane in the whole membrane sealing process, and reduces the rejection rate, thereby indirectly improving the production efficiency and the quality of the final product.
Specifically, the main body 10 of the continuous high-speed film sealing mechanism is designed as a workbench with a flat horizontal plane, and two sides of the horizontal plane are provided with side walls perpendicular to the horizontal plane, and the two side walls are not only key structures forming an integral frame of the workbench, but also important components for effectively restraining and guiding the whole film sealing process.
The horizontal plane of the workbench provides a uniform reference surface for each material conveying opening and the membrane inlets 70, ensures the height consistency of the membranes in the transmission process, and effectively avoids the position deviation or unstable transmission of the membranes among different stations due to the height difference.
The horizontal workbench design enables all components (such as the discharging bin 20, the first material conveying opening 30, the second material conveying opening 40, the film pressing component, the second transmission component and the film sealing component) to be logically arranged on the workbench according to the process flow, so that the layout is compact, the space utilization rate is high, and the maintenance and the overhaul are convenient.
Meanwhile, the transmission of the membrane on the horizontal plane is smoother, the inclination or stacking caused by the action of gravity is reduced, and the stability and the accuracy of the membrane in a high-speed running state are ensured. Moreover, the workbench structure based on the horizontal plane can flexibly increase, decrease or adjust the positions of all components according to different production requirements and membrane specifications, and has good expansibility and adaptability.
To further optimize the shielding performance and cleanliness of the apparatus, a cover plate 101 may be added above the table. The cover plate 101 can prevent dust and other impurities from falling into the equipment to influence the membrane transmission and packaging quality; on the other hand, the device can be protected from external factors such as accidental collision or liquid splashing, and the service life of the device is prolonged. The cover plate 101 design should be easy to disassemble and install to facilitate rapid maintenance and overhaul operations when necessary. Through such overall design and optimization, the continuous high-speed film sealing mechanism not only is excellent in function, but also reaches the industry leading level in terms of use convenience and maintenance.
In example 3, the problem of membrane accumulation between the second transfer port 40 and the nip 50 was frequently observed before use, and it was found that sufficient time was not reserved to complete the separation of individual sheets.
On the basis of the above-described embodiment, the first and second transfer assemblies have the first and second transfer portions 401 and 601, respectively, whose speeds in the film sheet traveling direction are V1 and V2, respectively. Wherein L3 refers to the distance between the nip 50 and the third transfer port 60, and L2 refers to the distance between the second transfer port 40 and the nip 50.
In the present embodiment, the ratio relationship is set to have the following significance, in which the ratio of L3 divided by V2 (i.e., L3/V2) is smaller than the ratio of L2 divided by V1 (i.e., L2/V1):
the membrane separation is optimized, so that the membrane has enough time to complete single separation in the process from the second material conveying port 40 to the material pressing port 50, multiple membranes are prevented from entering the material pressing port 50 at the same time, and the stable operation of the continuous high-speed membrane sealing mechanism is ensured.
By adjusting the speed ratio of V1 to V2, reasonable matching of the transmission speeds of the diaphragms at different stages is ensured, and the problems of accumulation, dislocation or excessive pulling and the like of the diaphragms caused by speed difference in the transmission process are effectively avoided.
By controlling the speed ratio, the tension of the film in the conveying process can be accurately adjusted to keep the tension in a proper range, and the film is not too loose or too tight, so that the flatness and the integrity of the film before film sealing are ensured.
In embodiment 4, in high-speed operation, the film is not adjustable when passing through the material pressing opening 50, which often results in the edge of the film being tilted due to excessive stress, or the thick film being unable to be effectively flattened due to insufficient pressure, so that the quality and production efficiency of the sealing film are seriously affected.
As shown in fig. 6, on the basis of the above embodiment, the film pressing assembly has a film pressing portion 901, and one end of the film pressing portion is designed with an elastic structure, so that when the front end of the film contacts the free end of the film pressing portion 901 during the film transferring process, the film pressing portion 901 can perform self-adaptive adjustment according to the thickness and the texture of the film, so as to form a material pressing port 50 matched with the film. The advantage of the elastic arrangement is that:
The film pressing portion 901 can be finely adjusted according to the specific conditions of the films, and the films with different thicknesses and different softness of materials can be ensured to form effective pressure contact at the material pressing opening 50, so that good flattening and positioning of the films are realized.
The elastic design of the film pressing part 901 can uniformly disperse pressure when contacting with the film, avoid the edge tilting of the film caused by overlarge local pressure, ensure the film to be always smooth in the transmission process, and is important for the subsequent film sealing operation.
Through the elastic film pressing, the impact and abrasion of the film in the transmission process can be reduced, the damage of the film caused by mechanical stress is reduced, the integrity of the film is effectively protected, and the quality of a film sealing product is improved.
The compatibility of equipment is improved, the device is suitable for diaphragms of various types and specifications, the universality and the adaptability of a continuous high-speed film sealing mechanism are enhanced, and the device has flexibility when facing different production tasks.
Specifically, the film pressing portion 901 may be made of a high-quality sheet metal material, so that sufficient rigidity and wear resistance are ensured, and a stable film pressing effect can be maintained during continuous operation for a long period of time.
One end of the metal sheet is erected on the side wall of the workbench through a mounting structure with precise design, the mounting mode enables the film pressing part 901 to be kept stable on the workbench, shaking or loosening is not easy to occur, and precise execution of the film pressing process is ensured. The torsion spring device is particularly introduced at the connection part of the metal sheet and the side wall of the workbench, and the elastic performance of the torsion spring is utilized to enable the film pressing part 901 to automatically adjust the contact pressure according to the thickness of the film, so that the flexible contact and separation of the film are realized. When the membrane passes, the torsion spring can provide necessary pressing force to keep the membrane flat, and can quickly reset after the membrane passes so as to be ready for the next membrane to meet, thereby ensuring the high-efficiency and stable operation of the continuous high-speed membrane sealing mechanism
Embodiment 5, traditional press film structure often neglects to pile up the effective decomposition of the interaction force between the diaphragm, and upper film often is when passing through the press film region because inertia and frictional force are not enough, can't realize accurate separation with lower floor's diaphragm, easily causes to pile up the diaphragm and gets into subsequent handling simultaneously, has further reduced the operating efficiency and the product quality of equipment.
On the basis of the above embodiment, the free end of the film pressing portion 901 is designed with a unique arc portion 902 structure, and the arc portion 902 is arranged in a form that the center of the arc portion is upward, that is, the highest point of the arc portion 902 points to the upper portion of the device. The open end of the arc 902, i.e. the part of the non-contact membrane, extends in the direction of travel of the membrane in a direction away from the first feed opening 30.
When the stacked films pass through the film pressing portion 901, the arc portion 902 can guide and control the front ends of the films in a gentle and effective manner, preventing the films from being tilted during high-speed transportation to affect subsequent separation and packaging processes.
Furthermore, the arc 902 has a unique separation function. When the stacked membrane passes through the membrane pressing portion 901, the arc portion 902 has a specific arc shape and elastic property, and downward resistance is generated on the upper layer portion of the stacked membrane, and the resistance effectively prevents the upper layer membrane from fast moving along with the lower layer membrane, so that more accurate and efficient separation between the upper layer membrane and the lower layer membrane is realized. As the lower membrane is continuously transported and passes through the arc 902, the upper membrane is forced to slow down and temporarily stop advancing under the resistance of the arc 902, and then the upper membrane is separated under the action of the driving force of the subsequent membrane or the separation mechanism of the device, thereby realizing continuous and uninterrupted separation of the single membrane.
In example 6, in the conventional continuous high-speed film sealing apparatus, the transition of the film sheet from the nip 50to the third transfer port 60 is often a technical bottleneck. The membrane is easy to stack and disorder in the high-speed continuous transmission process, and even a plurality of membranes enter the third material conveying port 60 at the same time because of incomplete separation, so that the membrane sealing efficiency and the product quality are seriously affected.
As shown in fig. 7, on the basis of the above embodiment, the feeding portion 91 is skillfully disposed between the nip 50 and the third transfer port 60 as an important additional component, and its main function is to strengthen the critical transition process of the film from the nip 50 to the third transfer port 60, so as to ensure that the single film can pass accurately, continuously and stably, and avoid stacking or disorder.
The depth of the feeding portion 91 is designed in consideration of dynamic behavior and mechanical characteristics of the membrane during high-speed continuous transmission, and accurate guiding and control of the single membrane is achieved by creatively providing a feeding port of a plate-like structure at one end close to the third feed port 60. Specifically, the feeding port is formed by two plate-shaped structures on two side walls of the workbench of the continuous high-speed film sealing mechanism, and the two plate-shaped structures are provided with a certain inclination angle, so that one end close to the third material conveying port 60 is lower than one end close to the material pressing port 50 and is closer to the horizontal plane of the workbench.
The inclined plate structure not only forms a limit channel with gradually decreasing height, effectively guides the membrane to stably slide along a preset path in the process from the material pressing port 50 to the third material conveying port 60, but also generates downward separating force due to the synergistic effect of gravity and an inclined plate surface when the membrane passes through the limit channel due to the inclined angle design, and further helps the membrane to realize accurate single-sheet separation in the high-speed continuous transmission process. Even if the membrane which is not completely separated at the nip 50 enters the feeding port, the secondary separation can be performed by means of the inclined surface of the plate-like structure and the friction force provided by the second transfer assembly conveyor belt while passing through the passage, thereby greatly improving the success rate of the single Zhang Mopian passing through the third transfer port 60.
In embodiment 7, in a high-speed production line, especially for thin and soft material or membranes with special structures, the front end is very easy to warp up due to inertia, insufficient friction force and other reasons during the transmission process, which can cause that the membranes cannot smoothly enter the feeding portion 91, thereby causing the stacking phenomenon of the membranes.
On the basis of the embodiment, the included angle between the feeding part 91 and the horizontal plane is smaller than the included angle between the arc part 902 and the horizontal plane, and the design is used for enabling the membrane to obtain larger downward separating force when passing through the feeding part 91 and ensuring that the membrane can be separated and passed through singly better. The arc 902 may be designed to prevent the front end of the diaphragm from tilting during the film pressing process, and the inclination angle of the feeding portion 91 is designed to be smaller, so as to further help the diaphragm to thoroughly separate after passing through the film pressing assembly and guide the diaphragm to smoothly enter the next stage.
In embodiment 8, in some cases, the diaphragm may have an excessive upward tilting angle, and may not enter the feeding portion 91, and in order to ensure that the sheet Zhang Mopian can enter the third feeding port 60 accurately and quickly after passing through the feeding port, the distance L4 between the feeding port and the third feeding port 60 is specified. The numerical design of L4 is smaller than the length B of the diaphragm, and L4< L2 is because such design can limit the movement range of the diaphragm between the feeding port and the third material conveying port 60, and effectively prevent the phenomenon of swinging, folding or stacking of the diaphragm during the high-speed transmission process, thereby ensuring smooth transition of the single Zhang Mopian.
Meanwhile, the design of L4< L2 optimizes the speed matching and buffering space of the diaphragms in the separation and transmission processes, so that even the diaphragms which are not completely separated at the material pressing port 50 can pass through the distance L4 when passing through the feeding portion 91, and secondary separation is realized by means of the gravity separation effect of the inclined plate-shaped structure and the friction force provided by the second transmission assembly, so that the success rate of a single Zhang Mopian passing through the third material conveying port 60 is remarkably improved.
Embodiment 9 based on the above embodiment, in order to achieve continuous and efficient transfer of the membrane from the discharge bin 20 to the second transfer port 40, the first transfer portion 401 is designed to be partially extended into the discharge bin 20. The purpose of this design is to ensure that the membrane can be introduced directly and smoothly from the storage area of the discharge bin 20 into the first transfer port 30, avoiding dropping or misplacement of the membrane during transfer, thereby improving the stability of membrane transport.
Specifically, the first conveying portion 401 is configured to be in close contact with the membrane stack by penetrating into the discharging bin 20, and stably pulls out the membrane located at the bottom of the discharging bin 20 by using its own driving mechanism, such as a conveyor belt, a roller or a chain, and precisely controls the conveying speed and strength, so that the membrane can precisely pass through the first material conveying opening 30 and smoothly reach the second material conveying opening 40.
In addition, since the first transfer part 401 can directly penetrate into the interior of the discharging bin 20 to extract the membrane, rather than providing a complicated membrane guiding and lifting device outside the discharging bin 20, additional space and mechanical structure are saved. By means of the compact integrated design, the occupied area of the equipment is reduced, and the whole volume is correspondingly reduced, so that the method has positive significance in optimizing the layout of a production line, saving the production space and improving the flexibility and adaptability of the equipment.
Embodiment 10, the film sealing machine provided in this embodiment integrates a continuous high-speed film sealing mechanism, a position sensing unit and an automatic loading assembly, and aims to realize high automation and high efficiency of the film sealing process. The continuous high-speed film sealing mechanism follows the design of the embodiment, ensures that the films can be rapidly and accurately separated and continuously transmitted in the process from discharging to packaging, and effectively avoids the stacking and dislocation problems of the films in a high-speed production environment.
The position sensing unit employs a reflective fiber optic sensor, which is a precision and responsive detection device, disposed on the opposite side of the diaphragm entrance 70. When the transmission front of the diaphragm reaches the diaphragm entrance 70, the reflective fiber optic sensor can immediately capture this signal, thereby accurately sensing the position state of the diaphragm.
The automatic loading assembly is installed on the lower side of the film sealing member 802, and is designed to have mobility, so that the position can be adjusted timely according to feedback information of the position sensing unit. Once the position sensing unit recognizes that the front end of the membrane has reached the designated position, the auto-load assembly will quickly move directly under the membrane seal 802 in preparation for accurate support and positioning of the membrane that is about to enter the packaging stage.
Specifically, the main body 10 of the automatic loading assembly is a bearing frame for placing objects to be packaged, and two sides of the main body are in sliding connection with the side wall of the film sealing machine workbench through precise sliding rails, so that stability and smoothness of the bearing frame in the moving process are ensured.
The bottom of the bearing frame is particularly welded with a section of rack, and the design provides key support for realizing automatic control. The rack is precisely meshed with a gear arranged on an output shaft of the motor below the bearing frame, and when the motor is started, the gear drives the rack to linearly move through rotation, so that the bearing frame can accurately and rapidly move to the position right below the film sealing piece 802 according to a signal instruction of the position sensing unit under the driving of the motor.
With this optimized design, the automatic loading assembly is able to instantaneously move the carrier into position after receiving the in-place signal from the membrane, so that the object to be packaged is perfectly aligned with the in-place membrane, which is then precisely packaged by the membrane seal 802. The integrated intelligent control strategy not only improves the automation degree and the working efficiency of the film sealing machine, but also ensures the accuracy and the consistency of the packaging process, thereby improving the production quality and the productivity of the whole equipment.
Working principle:
a membrane primary separation stage: the membranes are stored in overlapping form in the discharge bin 20, and a preliminary separation of the membranes is achieved when passing through the carefully designed first feed transfer opening 30. The first transmission assembly conveys the membrane to the second material conveying opening 40 at a speed V1, and in the process, the elastic membrane pressing part 901 of the membrane pressing assembly ensures that the front end of the membrane passes smoothly through an arc-shaped design, so that the membrane is prevented from tilting, and the membrane is ensured to be separated preliminarily and orderly.
Continuous precise transmission stage: the second transfer assembly delivers the initially separated film to the third transfer port 60 at a velocity V2, ensuring accurate and continuous passage of the individual film by reasonably setting the port spacing (L1, L2, L3) and the velocity ratio (L3/V2 < L2/V1), and effecting finer separation and positioning with the aid of the feed 91, ensuring that only the individual film enters the seal assembly correctly each time.
And (3) a precise packaging stage: the position sensing unit monitors the position of the front end of the diaphragm in real time, and when the diaphragm reaches the diaphragm inlet 70 of the diaphragm sealing assembly, the automatic loading assembly rapidly moves to the position below the diaphragm sealing member 802, so that the precise packaging of the object to be packaged and the flat single Zhang Mopian is realized.
Reference in the specification to a number of illustrative embodiments means that a particular structure described in connection with the embodiments is included in at least one embodiment of the application described generally. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment. Further, while a structure is described in connection with any one embodiment, it is intended that such a structure be implemented in connection with other embodiments within the scope of the application.
Claims (8)
1. A continuous high speed film sealing mechanism comprising:
The discharging bin is provided with a first material conveying opening, and the first material conveying opening allows the diaphragms to pass through in an overlapping mode;
The film pressing assembly forms a material pressing opening through which the film passes, and the material pressing opening is used for preventing the front transmission end of the film from tilting and smoothly passing through the material pressing opening;
The first transmission assembly is used for continuously transmitting the membrane passing through the first material transmitting port to the material pressing port through the second material transmitting port, and is provided with a first transmission part, and the speed of the first transmission part in the travelling direction of the membrane is recorded as V1;
The membrane sealing assembly is provided with a bracket and a membrane sealing piece, wherein a membrane inlet is formed on one side of the bracket, and the membrane sealing piece is arranged on the bracket and is used for packaging the membrane entering from the membrane inlet;
The second transmission assembly is provided with a second transmission part, the speed of the second transmission part in the travelling direction of the membrane is recorded as V2, and the bottoms of the first transmission port, the second transmission port, the pressing port, the third transmission port and the membrane inlet are positioned at the same horizontal height;
The length of the diaphragm is recorded as B, the distance between the first material conveying opening and the second material conveying opening is L1, the distance between the second material conveying opening and the material pressing opening is L2, the distance between the material pressing opening and the third material conveying opening is L3, L1 is less than L2 and less than or equal to L3 and less than or equal to 2B, and L3/V2 is less than or equal to L2/V1.
2. The continuous high speed film sealing mechanism according to claim 1, wherein the film pressing assembly has a film pressing portion having elasticity at one end thereof for enabling the film pressing portion to form the nip when the transfer front end of the film sheet contacts the free end of the film pressing portion.
3. The continuous high-speed film sealing mechanism according to claim 2, wherein the free end of the film pressing part is provided with an arc part, the center of the arc part faces upwards, and the open end of the arc part is far away from the first material conveying opening along the advancing direction of the film.
4. A continuous high speed film sealing mechanism according to claim 3, further comprising a feeding portion disposed between said nip and said third feed transfer port, said feeding portion defining a feeding port at an end thereof adjacent said third feed transfer port, said feeding port permitting passage of said sheets.
5. The continuous high speed film sealing mechanism of claim 4, wherein the angle between the feed portion and the horizontal is less than the angle between the arc portion and the horizontal.
6. The continuous high speed film sealing mechanism according to claim 5, wherein the distance between the feeding port and the third feed port is L4, L4< B, and L4< L2.
7. The continuous high speed film sealing mechanism as set forth in claim 6, wherein said first transfer section extends partially into said discharge bin for transferring film sheets in said discharge bin to said second transfer port via said first transfer port.
8. A film sealing machine, comprising:
a continuous high speed film sealing mechanism as claimed in any one of claims 1 to 7;
The position sensing unit is arranged at the opposite side of the diaphragm inlet;
The automatic loading assembly is movably arranged on the lower side of the film sealing piece;
When the position sensing unit recognizes that the front end of the film is conveyed to the film inlet, the automatic loading assembly can move to the position right below the film sealing piece, and the film sealing piece moves downwards to be packaged.
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| US3831928A (en) * | 1973-03-28 | 1974-08-27 | Addressograph Multigraph | Single sheet document feeder |
| CN113232960A (en) * | 2021-05-27 | 2021-08-10 | 上海派易自动化科技有限公司 | Automatic card issuing paging, packaging and labeling device |
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| US3622149A (en) * | 1969-10-08 | 1971-11-23 | Xerox Corp | Article destacking apparatus |
| JPH06321219A (en) * | 1993-04-30 | 1994-11-22 | Shinko Seisakusho Co Ltd | Automatic sealer |
| JP3773121B2 (en) * | 1994-11-01 | 2006-05-10 | リコーエレメックス株式会社 | Paper feeder |
| DE19735382A1 (en) * | 1997-08-14 | 1999-02-18 | Bell & Howell Co | Feed device for output of envelopes from stack |
| US7726642B2 (en) * | 2003-09-12 | 2010-06-01 | Psi Peripheral Solutions, Inc. | Large capacity bottom feed dispenser |
| DE102009042469B3 (en) * | 2009-09-23 | 2011-01-27 | Köra-Packmat Maschinenbau GmbH | Friction feeder and adjusting plate for a friction feeder |
| DE102010033434A1 (en) * | 2010-08-04 | 2012-02-09 | Horizon Gmbh | Collator |
| JP2016098047A (en) * | 2014-11-18 | 2016-05-30 | 理想科学工業株式会社 | Sheet feeding device |
| KR102229052B1 (en) * | 2020-08-13 | 2021-03-18 | 김윤환 | Automatic paper feeder |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3831928A (en) * | 1973-03-28 | 1974-08-27 | Addressograph Multigraph | Single sheet document feeder |
| CN113232960A (en) * | 2021-05-27 | 2021-08-10 | 上海派易自动化科技有限公司 | Automatic card issuing paging, packaging and labeling device |
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