阅读说明：本技术 一种食品包装袋快速高真空密封装置及其密封方法 (Rapid high-vacuum sealing device and sealing method for food packaging bag ) 是由 潘结俭 于 2020-05-06 设计创作，主要内容包括：本发明提供一种食品包装袋快速高真空密封装置及其密封方法,包括密封装置主体,所述密封装置主体的上端面滑动连接有升降杆,所述升降杆的上端面固定连接有悬挂平台,所述悬挂平台的下端面一侧固定连接有密封盖板,所述密封盖板包括牵引绳、第一密封板、伸缩杆、固定杆、进水管、第二密封板、密封胶条、气管、进料口和包装袋,所述固定杆固定连接在第二密封板的上端面四角,所述进料口开设在第二密封板上端面中部,所述进水管贯穿连接在第二密封板的上端面一侧,所述包装袋铺设在进料口内部,所述气管固定连接在第二密封板的上端面,该发明优化了食品包装袋的密封装置,提高了装置的密封效率,实现了密封检测一体化,装置更加高效环保。(The invention provides a rapid high-vacuum sealing device of a food packaging bag and a sealing method thereof, the device comprises a sealing device main body, the upper end surface of the sealing device main body is connected with a lifting rod in a sliding manner, the upper end surface of the lifting rod is fixedly connected with a suspension platform, one side of the lower end surface of the suspension platform is fixedly connected with a sealing cover plate, the sealing cover plate comprises a traction rope, a first sealing plate, a telescopic rod, a fixed rod, a water inlet pipe, a second sealing plate, a sealing rubber strip, an air pipe, a feed inlet and a packaging bag, the fixed rod is fixedly connected with four corners of the upper end surface of the second sealing plate, the feed inlet is arranged in the middle of the upper end surface of the second sealing plate, the water inlet pipe is connected to one side of the upper end surface of the second sealing plate in a penetrating manner, the packaging bag is, the sealing efficiency of the device is improved, the sealing and detection integration is realized, and the device is more efficient and environment-friendly.)

1. The utility model provides a quick high vacuum seal device of food package bag, includes sealing device main part (3), its characterized in that: the sealing device is characterized in that a lifting rod (2) is connected to the upper end face of the sealing device main body (3) in a sliding manner, a hanging platform (1) is fixedly connected to the upper end face of the lifting rod (2), a sealing cover plate (8) is fixedly connected to one side of the lower end face of the hanging platform (1), the sealing cover plate (8) comprises a traction rope (24), a first sealing plate (25), a telescopic rod (26), a fixing rod (27), a water inlet pipe (28), a second sealing plate (29), a sealing rubber strip (30), an air pipe (31), a feed inlet (32) and a packaging bag (33), the fixing rod (27) is fixedly connected to four corners of the upper end face of the second sealing plate (29), the feed inlet (32) is arranged in the middle of the upper end face of the second sealing plate (29), the water inlet pipe (28) is connected to one side of the upper end face of the second sealing plate (, the air pipe (31) is fixedly connected to the upper end face of the second sealing plate (29), the limiting plate (7) is installed on the lower end face of the sealing cover plate (8), the limiting plate (7) comprises a limiting plate main body (18), a magnetic limiting plate (19), a connecting rod (20), a coil (21), an iron core (22), a permanent magnet (23) and a traction rope (24), the iron core (22) is fixedly installed inside the limiting plate main body (18), the coil (21) is wound on the periphery of the iron core (22), the connecting rod (20) is fixedly connected to four corners of the upper end face of the limiting plate main body (18), the permanent magnet (23) is embedded in the middle of the side end face of the magnetic limiting plate (19), the side end face of the sealing device main body (3) is fixedly connected with a control device (4), and the front end face of the sealing device main body (3), vacuum box (5) include vacuum box main part seal groove (9), seal groove (10), sealing device (11), sealing bottom plate (12), slider (13), heating module (14), storage platform (15), flowing back valve (16) and sealing module (17), the up end at vacuum box main part seal groove (9) is seted up in seal groove (10), sealing device (11) fixed connection is at the side end face of vacuum box main part seal groove (9), sealing bottom plate (12) are through slider (13) sliding connection at vacuum box main part seal groove (9) lower terminal surface, storage platform (15) set up the up end middle part at sealing bottom plate (12), the lower terminal surface fixedly connected with liquid reserve tank (6) of vacuum box (5).

2. The fast high vacuum sealing device for the food packaging bag according to claim 1, characterized in that: the first sealing plate (25) and the feeding hole (32) are the same in size, the first sealing plate (25) is connected to one side of the lower end face of the suspension platform (1) in a sliding mode through an expansion rod (26), and a sealing rubber strip (30) is arranged on the side end face of the first sealing plate (25).

3. The fast high vacuum sealing device for the food packaging bag according to claim 1, characterized in that: the magnetic limiting plate (19) is composed of four cross rods, each cross rod is directly connected through magnetic force of the permanent magnet (23), the middle of each cross rod is connected with a traction rope (24), and the other end of each traction rope (24) is fixedly connected with the bottom of the first sealing plate (25).

4. The fast high vacuum sealing device for the food packaging bag according to claim 1, characterized in that: the heat sealing devices (11) are divided into two groups, symmetrically distributed on two sides of the side end face of the sealing groove (9) of the vacuum box main body, the interior of each heat sealing device (11) is respectively connected with a sealing module (17) and a heating module (14) in a sliding mode, and the heating modules (14) are matched with the sealing modules (17).

5. The fast high vacuum sealing device for the food packaging bag according to claim 1, characterized in that: a gap is reserved between the limiting plate main body (18) and the magnetic limiting plate (19), the magnetic limiting plate (19) is arranged in the packaging bag (33), and the outer wall of the packaging bag (33) penetrates through the gap and extends to the feed port (32).

6. The fast high vacuum sealing device for the food packaging bag according to claim 1, characterized in that: the bottom of the second sealing plate (29) is provided with a sealing block, and the sealing block is matched with the sealing groove (10).

7. The fast high vacuum sealing device for the food packaging bag according to claim 1, characterized in that: the liquid discharge valve (16) is arranged at one corner of the upper end face of the sealing bottom plate (12), and the liquid discharge valve (16) is communicated with the liquid storage tank (6).

8. The fast high vacuum sealing device for the food packaging bag according to claim 1, characterized in that: an air pump and a water pump are arranged inside the sealing device main body (3), the air pump is communicated with the air pipe (31), and the water pump is communicated with the liquid storage tank (6) and the water inlet pipe (28).

9. The fast high vacuum sealing device for the food packaging bag according to claim 1, characterized in that: the front end face of the vacuum box (5) is made of transparent acrylic materials.

10. A production process of a rapid high-vacuum sealing device for food packaging bags is characterized by comprising the following steps: when the device is used, the first sealing plate (25) is lifted through the telescopic rod (26), the packaging bag (33) is laid inside the feeding hole (32), the magnetic force limiting plate (19) is placed inside the packaging bag (33), liquid is injected into the vacuum box (5) through the water inlet pipe (28), the magnetic force limiting plate (19) is put down to enable the magnetic force limiting plate to naturally fall down, due to the action of buoyancy, the packaging bag (33) floats on the liquid surface, the iron core (22) and the coil (21) are arranged inside the limiting plate main body (18), the coil (21) is powered, so that the limiting plate main body (18) generates an electromagnetic field, an adsorbed magnetic force is generated on the magnetic force limiting plate (19), the magnetic force limiting plate (19) is composed of four transverse rods with permanent magnets (23), the magnetic force limiting plate (19) is gradually separated to be attached to the limiting plate main body (18), and the surface of the packaging bag (33) is tiled through, the packaging bag (33) is attached to the surface of the liquid, a sealing article is put into the packaging bag (33) through the feeding hole (32), the sealing article drives the packaging bag (33) to fall into the liquid, the packaging bag (33) is tightly attached to the sealing article due to buoyancy and surface tension of the liquid, the sealing bag is heated and sealed through the matching of the heating module (14) and the sealing module (17) at the moment, the sealing bag is closed, the liquid drainage valve (16) is opened to drain the liquid in the sealing groove (9) of the main body of the vacuum box into the liquid storage box (6) for storage, the packaging bag (33) is fused by increasing the middle temperature of the heating module (14), the sealing article falls into the storage platform (15), the sealing bottom plate (12) is taken out through the sliding block (13) to take out the sealing article, after the sealing bottom plate (12) is taken out, the liquid in the liquid storage box (6) is continuously injected into the sealing groove (9), throw into sealed article through feed inlet (32) and carry out sealing operation, when the device need inspect sealing performance, after wrapping bag heat seal accomplishes, fall with feed inlet (32) closed mutually through telescopic link (26) control first closing plate (25), hang platform (1) and then drive second closing plate (29) through lifter (2) control, make the seal block of terminal surface closely laminate with seal groove (10) under second closing plate (29), control the air pump in sealing device main part (3), discharge the interior air of vacuum box main part seal groove (9) through trachea (31), it has or not bubble output to observe the sealant in the liquid, and wrapping bag (33) have the bulge, and then judge the sealing performance of wrapping bag (33).

Technical Field

The invention relates to the field of food packaging bag sealing equipment, in particular to a quick high-vacuum sealing device and a sealing method for a food packaging bag.

Background

A food packaging bag is a packaging design, and is convenient for keeping food fresh and storing in life, so that a product packaging bag is produced. The food packaging bag refers to a film container which is directly contacted with food and is used for containing and protecting the food. The food is mostly vacuum packed for easy transportation and to ensure the quality of the food.

The vacuum sealing machine is used for filling food into a packaging bag, extracting air in the packaging bag, and completing the sealing process after the predetermined vacuum degree is reached. The following functions may be possible: 1. performing air extraction and sealing on the bag; 2. directly sealing the bag opening; 3. and (4) exhausting air from the bag, filling nitrogen or other gases, and sealing the bag.

But the food packaging bag sealing device used in the market has the following disadvantages: one, sealing device can't be continuous seals a plurality of products, it is sealed to need artifical a single, low in production efficiency, two, sealing device can't learn the sealing performance of product after sealed the completion, often need carry out the selective examination with the product alone, very big manpower and materials of having wasted, three, current sealing device adopts the vacuum pump to manage to find time the wrapping bag more, equipment consumption is higher when using the vacuum pump, be unfavorable for energy saving and emission reduction, and pressure is too big when the vacuum pump uses, lead to the wrapping bag to break easily, influence the product percent of pass.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides a rapid high-vacuum sealing device for a food packaging bag and a sealing method thereof, and solves the problems that the sealing device cannot continuously seal a plurality of products, the sealing device needs to be manually sealed independently, the production efficiency is low, the sealing performance of the products cannot be known after the sealing device is sealed, the products are often required to be individually checked, the manpower and material resources are greatly wasted, meanwhile, the conventional sealing device mostly adopts a vacuum pump to evacuate the packaging bag, the power consumption of equipment is high when the vacuum pump is used, the energy conservation and emission reduction are not facilitated, the pressure is too high when the vacuum pump is used, the packaging bag is easily broken, and the product qualification rate is influenced.

(II) technical scheme

In order to achieve the purpose, the invention is realized by the following technical scheme: a fast high vacuum sealing device for a food packaging bag and a sealing method thereof comprise a sealing device main body, wherein the upper end surface of the sealing device main body is connected with a lifting rod in a sliding manner, the upper end surface of the lifting rod is fixedly connected with a suspension platform, one side of the lower end surface of the suspension platform is fixedly connected with a sealing cover plate, the sealing cover plate comprises a traction rope, a first sealing plate, a telescopic rod, a fixed rod, a water inlet pipe, a second sealing plate, a sealing rubber strip, an air pipe, a feed inlet and a packaging bag, the fixed rod is fixedly connected with four corners of the upper end surface of the second sealing plate, the feed inlet is arranged in the middle of the upper end surface of the second sealing plate, the water inlet pipe is connected with one side of the upper end surface of the second sealing plate in a penetrating manner, the packaging bag is laid inside, the limiting plate comprises a limiting plate main body, a magnetic limiting plate, a connecting rod, a coil, an iron core, a permanent magnet and a traction rope, wherein the iron core is fixedly arranged in the limiting plate main body, the coil is wound on the periphery of the iron core, the connecting rod is fixedly connected to four corners of the upper end face of the limiting plate main body, the permanent magnet is embedded in the middle of the side end face of the magnetic limiting plate, a control device is fixedly connected to the side end face of the sealing device main body, a vacuum box is fixedly connected to the front end face of the sealing device main body, the vacuum box comprises a vacuum box main body sealing groove, a heat sealing device, a sealing bottom plate, a sliding block, a heating module, an object placing platform, a liquid discharge valve and a sealing module, the sealing groove is formed in the upper end face of the vacuum box main body sealing groove, the object placing platform is arranged in the middle of the upper end face of the sealing bottom plate, and the lower end face of the vacuum box is fixedly connected with the liquid storage box.

Preferably, the first sealing plate is the same as the feed inlet in size, the first sealing plate is connected to one side of the lower end face of the suspension platform in a sliding mode through a telescopic rod, and a sealing rubber strip is arranged on the side end face of the first sealing plate.

Preferably, the magnetic force limiting plate comprises four horizontal poles, and every horizontal pole directly relies on the magnetic force of permanent magnet to connect, and every horizontal pole middle part of group is connected with the haulage rope, and the other end of haulage rope links to each other with the bottom of first closing plate is fixed.

Preferably, the two groups of heat sealing devices are symmetrically distributed on two sides of the side end face of the sealing groove of the vacuum box main body, the interior of each heat sealing device is respectively connected with a sealing module and a heating module in a sliding mode, and the heating modules are matched with the sealing modules.

Preferably, a gap is reserved between the limiting plate main body and the magnetic limiting plate, the magnetic limiting plate is arranged inside the packaging bag, and the outer wall of the packaging bag penetrates through the gap and extends to the feeding hole.

Preferably, the bottom of the second sealing plate is provided with a sealing block, and the sealing block is matched with the sealing groove.

Preferably, the drain valve is installed at one corner of the upper end face of the sealing bottom plate, and the drain valve is communicated with the liquid storage tank.

Preferably, an air pump and a water pump are arranged inside the sealing device main body, the air pump is communicated with the air pipe), and the water pump is communicated with the liquid storage tank and the water inlet pipe.

Preferably, the front end face of the vacuum box is made of transparent acrylic materials.

Preferably, when in use, the first sealing plate is lifted up through the telescopic rod, the packaging bag is laid inside the feeding hole, the magnetic force limiting plate is arranged inside the packaging bag, liquid is injected into the vacuum box through the water inlet pipe, the magnetic force limiting plate is put down to enable the packaging bag to naturally fall down, the packaging bag floats on the liquid surface under the action of buoyancy, an iron core and a coil are arranged inside the limiting plate main body, the coil is powered to enable the limiting plate main body to generate an electromagnetic field, an adsorbed magnetic force is generated on the magnetic force limiting plate, the magnetic force limiting plate consists of four transverse rods with permanent magnets, the magnetic force limiting plate is gradually separated from and attached to the limiting plate main body, the surface of the packaging bag is flatly laid through the magnetic force limiting plate, the packaging bag is attached to the liquid surface, sealing articles are, the packaging bag is tightly attached to a sealing object due to the buoyancy and surface tension of liquid, the sealing bag is heated and sealed through the matching of the heating module and the sealing module, the sealing bag is closed, a liquid discharge valve is opened to discharge the liquid in the sealing groove of the vacuum box main body into a liquid storage box for storage, the packaging bag is fused by increasing the middle temperature of the heating module, the sealing object falls into a storage platform, a sealing bottom plate is taken out through a sliding block to take out a sealing object, after the sealing bottom plate is taken out, the sealing bottom plate is closed, the liquid in the liquid storage box is continuously injected into the sealing groove of the vacuum box main body through a water pump, the sealing object is put into a feeding hole to perform sealing operation, when the device needs to check the sealing performance, after the heating and sealing of the packaging bag are completed, the first sealing plate is controlled to fall through a, make the sealed piece of terminal surface closely laminate with the seal groove under the second closing plate, the air pump in the control sealing device main part discharges the interior air of vacuum chamber main part seal groove through the trachea, observes the sealed thing in the liquid and has or not bubble output to and whether the wrapping bag has the bulge, and then judges the sealing performance of wrapping bag.

(III) advantageous effects

The invention provides a quick high-vacuum sealing device and a sealing method for a food packaging bag, which have the following beneficial effects:

1. the side end face of the magnetic force limiting plate is provided with a permanent magnet, the limiting plate body generates an electromagnetic field by electrifying a coil to adsorb the magnetic force limiting plate, the magnetic limiting plate is integrally composed of four cross rods, when the coil is not electrified, the magnetic limiting plate is rectangular by means of the magnetic force of the permanent magnet, when the coil is electrified, the magnetic limiting plate is gradually drawn towards the limiting plate main body under the action of an electromagnetic field, so that the packaging bag is driven to be flatly laid and unfolded on the liquid level and is attached to the liquid level, a sealing object to be sealed is put in through the feed inlet, the packaging bag is carried into the liquid by the sealing object under the action of gravity, the packaging bag is closely attached to the sealing object due to the buoyancy and tension of the liquid, redundant air is discharged, the sealing module and the heating module can be moved at the moment, the packaging bag is sealed by the matching of the sealing module and the heating module, the middle temperature of the heating module is increased after the packaging bag is sealed, the sealing can be dropped onto the object placing platform, and the liquid is, can take out sealed sealing object of completion through taking out sealed bottom plate, after a sealing object is sealed to be accomplished, can continue to drop into next sealing object through the feed inlet, need not frequent operating device, also can drop into sealing object once according to certain interval, later take out together, improved the productivity and the production efficiency of equipment greatly, solved sealing device can't be continuous seal a plurality of products, need artifical a single sealed, problem that production efficiency is low.

2. By arranging the vacuum box and the sealing cover plate, the lower end face of the second sealing plate is provided with the sealing block which can be matched with the sealing groove, when the sealing performance of a product needs to be detected, after the sealing bag is subjected to heat sealing, the packaging bag is fused by controlling the middle temperature of the heating module, so that a sealing object falls into liquid filled in the sealing groove of the main body of the vacuum box, the second sealing plate and the sealing groove of the main body of the vacuum box are respectively closed by controlling the lifting rod and the telescopic rod, the first sealing plate and the feed inlet are closed, the side end face of the first sealing plate is provided with the sealing rubber strip, the sealing performance of the device is greatly improved, after the sealing of the sealing groove of the main body of the vacuum box is completed, the inside of the sealing groove of the main body of the vacuum box is evacuated through the air pipe, and the front end face of the sealing groove, whether have the bubble through observing the sealing to and whether the wrapping bag has the swelling, judge whether sealed packing of sealing is qualified, make the device collect sealed detection in an organic whole, sealed back product need not to seal up the detection alone, the user can set up detection frequency by oneself according to self product needs, solved sealing device and can't learn the sealing performance of product after sealed the completion, often need carry out the selective examination with the product alone, very big extravagant problem of manpower and materials.

3. The water inlet pipe is communicated with the water pump in the sealing device main body, liquid is injected into the sealing groove of the vacuum box main body through the water inlet pipe, air in the packaging bag is discharged through buoyancy and tension of the liquid, the mode is more energy-saving and efficient, the packaging bag is not damaged badly, the defective rate of products is reduced, the liquid storage box is arranged on the lower end face of the vacuum box and is connected with the water pump in the sealing device main body, the liquid can be recycled, the mode is more energy-saving and environment-friendly, a user can increase or reduce the tension and the buoyancy of the liquid by doping the liquid, different sealing packaging bags are suitable for, the control device is arranged on the side end face of the sealing device main body, the problem that the conventional sealing device mostly adopts a vacuum pump to evacuate the packaging bag is solved, and the power consumption of equipment is higher when the vacuum pump is used is solved, is not beneficial to energy conservation and emission reduction, and the vacuum pump has overlarge pressure when in use, thus easily leading the packaging bag to be broken and influencing the product percent of pass.

Drawings

FIG. 1 is a schematic view of the overall structure of the device body of the present invention;

FIG. 2 is a schematic view of the structure of the vacuum box of the device body of the present invention;

FIG. 3 is a schematic diagram of a limiting plate structure of the device body of the present invention;

FIG. 4 is a schematic view of a sealing cover structure of the device body according to the present invention.

In the figure: the device comprises a suspension platform 1, a lifting rod 2, a sealing device body 3, a control device 4, a vacuum box 5, a liquid storage box 6, a limiting plate 7, a sealing cover plate 8, a vacuum box body 9, a sealing groove 10, a heat sealing device 11, a sealing bottom plate 12, a sliding block 13, a heating module 14, a storage platform 15, a liquid discharge valve 16, a sealing module 17, a limiting plate body 18, a magnetic limiting plate 19, a connecting rod 20, a coil 21, an iron core 22, a permanent magnet 23, a traction rope 24, a first sealing plate 25, a telescopic rod 26, a fixed rod 27, a water inlet pipe 28, a second sealing plate 29, a sealing rubber strip 30, an air pipe 31, a feed inlet 32.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The following disclosure provides many different embodiments or examples for implementing different features of the invention. To simplify the disclosure of the present invention, the components and arrangements of specific examples are described below. Of course, they are merely examples and are not intended to limit the present invention. Furthermore, the present invention may repeat reference numerals and/or letters in the various examples, such repetition is for the purpose of simplicity and clarity and does not in itself dictate a relationship between the various embodiments and/or configurations discussed. In addition, the present invention provides examples of various specific processes and materials, but one of ordinary skill in the art may recognize applications of other processes and/or uses of other materials.

The embodiment of the invention provides a rapid high-vacuum sealing device for a food packaging bag and a sealing method thereof, the rapid high-vacuum sealing device comprises a sealing device main body 3, the upper end surface of the sealing device main body 3 is connected with a lifting rod 2 in a sliding manner, the upper end surface of the lifting rod 2 is fixedly connected with a suspension platform 1, one side of the lower end surface of the suspension platform 1 is fixedly connected with a sealing cover plate 8, the sealing cover plate 8 comprises a traction rope 24, a first sealing plate 25, an expansion rod 26, a fixing rod 27, a water inlet pipe 28, a second sealing plate 29, a sealing rubber strip 30, an air pipe 31, a feed inlet 32 and a packaging bag 33, the fixing rod 27 is fixedly connected with four corners of the upper end surface of the second sealing plate 29, the feed inlet 32 is arranged in the middle of the upper end surface of the second sealing plate 29, the water inlet pipe 28 is connected with one side, the lower end face of the sealing cover plate 8 is provided with a limiting plate 7, the limiting plate 7 comprises a limiting plate main body 18, a magnetic limiting plate 19, a connecting rod 20, a coil 21, an iron core 22, a permanent magnet 23 and a traction rope 24, the iron core 22 is fixedly arranged inside the limiting plate main body 18, the coil 21 is wound on the periphery of the iron core 22, the connecting rod 20 is fixedly connected with four corners of the upper end face of the limiting plate main body 18, the permanent magnet 23 is embedded in the middle of the side end face of the magnetic limiting plate 19, the side end face of the sealing device main body 3 is fixedly connected with a control device 4, the front end face of the sealing device main body 3 is fixedly connected with a vacuum box 5, the vacuum box 5 comprises a vacuum box main body sealing groove 9, a sealing groove 10, a sealing device 11, a sealing bottom plate 12, a sliding block 13, a heating block 14, a storage platform 15, a liquid discharge valve, sealing bottom plate 12 passes through slider 13 sliding connection at vacuum box main part seal groove 9 lower terminal surface, and platform 15 sets up in sealing bottom plate 12's up end middle part, and vacuum box 5's lower terminal surface fixedly connected with liquid reserve tank 6.

The size of the first sealing plate 25 is the same as that of the feed port 32, the first sealing plate 25 is connected to one side of the lower end face of the suspension platform 1 in a sliding manner through an expansion link 26, a sealing rubber strip 30 is arranged on the side end face of the first sealing plate 25, the magnetic force limiting plate 19 is composed of four cross rods, each cross rod is directly connected by the magnetic force of the permanent magnet 23, the middle of each cross rod is connected with a traction rope 24, the other end of each traction rope 24 is fixedly connected with the bottom of the first sealing plate 25, the heat sealing devices 11 are divided into two groups, the two groups are symmetrically distributed on two sides of the side end face of the sealing groove 9 of the vacuum box main body, the sealing module 17 and the heating module 14 are respectively connected in the heat sealing device 11 in a sliding manner, the heating module 14 is matched with the sealing module 17, a gap is reserved between the limiting plate, the bottom of the second sealing plate 29 is provided with a sealing block, the sealing block is matched with the sealing groove 10, the drain valve 16 is arranged at one corner of the upper end surface of the sealing bottom plate 12, the drain valve 16 is communicated with the liquid storage tank 6, the sealing device main body 3 is internally provided with an air pump and a water pump, the air pump is communicated with the air pipe 31, the water pump is communicated with the liquid storage tank 6 and the water inlet pipe 28, the front end surface of the vacuum box 5 is made of transparent acrylic material, when in use, the first sealing plate 25 is lifted up through the telescopic rod 26, the packaging bag 33 is laid inside the feed inlet 32, the magnetic force limiting plate 19 is arranged inside the packaging bag 33, liquid is injected into the vacuum box 5 through the water inlet pipe 28, the magnetic force limiting plate 19 is put down to naturally fall, due to the effect of buoyancy, the packaging bag 33 floats on the liquid surface, the iron core 22, the magnetic limiting plate 19 is composed of four cross rods with permanent magnets 23, so that the magnetic limiting plate 19 is gradually separated from and attached to the limiting plate body 18, the surface of the packaging bag 33 is flatly laid through the magnetic limiting plate 19, the packaging bag 33 is attached to the liquid surface, a sealing object is put into the packaging bag 33 through a feed inlet 32, the packaging bag 33 is driven by the sealing object to fall into liquid, the packaging bag 33 is tightly attached to the sealing object due to buoyancy and surface tension of the liquid, the sealing bag is heated and sealed through matching of the heating module 14 and the sealing module 17, the sealing bag is closed, the liquid in the sealing groove 9 of the vacuum box body is discharged into the liquid storage box 6 to be stored after the liquid discharge valve 16 is opened, and the packaging bag 33 is fused by increasing the temperature in the middle of the heating module 14, the sealing object falls into the placing platform 15, the sealing bottom plate 12 is taken out through the slide block 13, the sealing object can be taken out, after the sealing object is taken out, the sealing bottom plate 12 is closed, the liquid in the liquid storage tank 6 is continuously injected into the sealing groove 9 of the vacuum box main body through the water pump, the sealing article is thrown in through the feed inlet 32 for sealing operation, when the device needs to check the sealing performance, after the heating and sealing of the packaging bag are completed, the first sealing plate 25 is controlled by the telescopic rod 26 to fall down to be closed with the feeding hole 32, the lifting rod 2 controls the suspension platform 1 to further drive the second sealing plate 29, so that a sealing block on the lower end surface of the second sealing plate 29 is tightly attached to the sealing groove 10, an air pump in the sealing device main body 3 is controlled, air in the sealing groove 9 of the vacuum box main body is discharged through the air pipe 31, whether bubbles are generated in sealing materials in the liquid or not and whether the packaging bag 33 is bulged or not are observed, and then the sealing performance of the packaging bag 33 is judged.

In summary, by providing the stopper plate 7 and the sealing cover plate 8, the upper end surface of the second sealing plate 29 is provided with the feed inlet 32, the first sealing plate 25 is slidably connected to the bottom side of the hanging platform 1 through the telescopic rod 26, the first sealing plate 25 is lifted up through the telescopic rod 26, the packaging bag 33 is laid inside the feed inlet 32, the lower end surface of the first sealing plate 25 is connected with the magnetic stopper plate 19 through the pulling rope 24, the magnetic stopper plate 19 is put into the packaging bag 33, the packaging bag 33 automatically falls down, meanwhile, the liquid is injected into the sealing groove 9 of the vacuum box main body through the water inlet pipe 28, the packaging bag 33 and the magnetic stopper plate 19 float on the liquid surface through the buoyancy of the liquid, because the packaging bag 33 is too light in density, the packaging bag is easily folded on the liquid surface, and is not beneficial to the subsequent heat sealing, therefore, the permanent magnet 23 is provided on the side end surface of, the magnetic limiting plate 19 is adsorbed, the whole magnetic limiting plate 19 is composed of four cross rods, when the coil 21 is not electrified, the magnetic limiting plate 19 is rectangular by means of the magnetic force of the permanent magnet 23, when the coil 21 is electrified, the magnetic limiting plate 19 gradually draws close to the limiting plate main body 18 under the action of an electromagnetic field, the packaging bag 33 is further driven to be spread on the liquid surface in a flat mode, the packaging bag 33 is attached to the liquid surface, sealing materials to be sealed are fed through the feeding hole 32, the packaging bag 33 falls into liquid under the action of gravity, the packaging bag 33 is closely attached to the sealing materials under the action of buoyancy and tension of the liquid, redundant air is discharged, the sealing module 17 and the heating module 14 can be moved at the moment, the packaging bag 33 is sealed through the matching of the sealing module 17 and the heating module 14, the middle temperature of the heating module 14 is increased after sealing, and the packaging bag 33 is fused, can fall into on the platform 15 with sealed, go into liquid reserve tank 6 with liquid through flowing back valve 16, can take out sealed sealing object of completion through taking sealed bottom plate 12 out, after the sealed completion of a sealing object, can continue to drop into next sealing object through feed inlet 32, do not need frequent operating equipment, also can once drop into sealing object according to the certain interval, later take out together, the productivity and the production efficiency of equipment have been improved greatly, the unable continuous sealing to a plurality of products of sealing device has been solved, it is sealed to need artifical single one, the problem that production efficiency is low.

Meanwhile, by arranging the vacuum box 5 and the sealing cover plate 8, the lower end face of the second sealing plate 29 is provided with a sealing block which can be matched with the sealing groove 10, when the sealing performance of a product needs to be detected, after the sealing bag is subjected to heat sealing, the packaging bag 33 is fused by controlling the temperature of the middle part of the heating module 14, a sealing object falls into liquid filled in the sealing groove 9 of the main body of the vacuum box, the second sealing plate 29 and the sealing groove 9 of the main body of the vacuum box are respectively closed by controlling the lifting rod 2 and the telescopic rod 26, the first sealing plate 25 and the feed inlet 32 are closed, the side end face of the first sealing plate 25 is provided with a sealing adhesive tape 30, the sealing performance of the device is greatly improved, after the sealing of the sealing groove 9 of the main body of the vacuum box is completed, the inside of the sealing groove 9 of the main body of the vacuum box is evacuated by the, the operator of being convenient for observes the 9 inside condition of vacuum chamber main part seal groove, whether there is the bubble through observing the sealing, and whether wrapping bag 33 has the swell, judge whether qualified sealing object seal packing, make the device collect sealed detection in an organic whole, sealed back product need not to seal the detection alone, the user can set up by oneself according to self product needs and detect the frequency, the sealing performance of sealing device can't learn the product after sealed the completion has been solved, often need carry out the selective examination with the product alone, very big waste the problem of manpower and materials.

The water inlet pipe 28 is arranged, the water inlet pipe 28 is communicated with the water pump in the sealing device main body 3, liquid is injected into the sealing groove 9 of the vacuum box main body through the water inlet pipe 28, air in the packaging bag 33 is discharged through buoyancy and tension of the liquid, the mode is more energy-saving and efficient, the packaging bag 33 is not damaged badly, the defective rate of products is reduced, the liquid storage box 6 is arranged on the lower end face of the vacuum box 5, the liquid storage box 6 is connected with the water pump in the sealing device main body 3, the liquid can be recycled, the mode is more energy-saving and environment-friendly, a user can dope solute in the liquid to improve or reduce the tension and the buoyancy of the liquid so as to be suitable for different sealing packaging bags, the control device 5 is arranged on the side end face of the sealing device main body 3, operation of an operator on the device is facilitated, and the problem that the existing sealing device mostly adopts a, the vacuum pump has the advantages that the power consumption of equipment is high when the vacuum pump is used, energy conservation and emission reduction are not facilitated, the pressure is too high when the vacuum pump is used, the packaging bag is easily broken, and the product percent of pass is affected.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.