Dual-purpose vacuum sealing machine

Abstract

The utility model discloses a dual-purpose vacuum sealing machine which is characterized in that under the working state of a textured surface bag, the vacuum sealing machine uses an isolation cavity to exhaust air, a vacuum pump is connected with an upper vacuum cavity assembly or a lower vacuum cavity assembly, and the front end part of an exhaust pipe at least retreats to the rear side of the isolation cavity; the upper vacuum cavity assembly or the lower vacuum cavity assembly moves towards the exhaust pipe and stops at a first position; and in the working state of the smooth surface bag, the vacuum sealing machine uses the exhaust pipe to exhaust air, the vacuum pump is connected with the exhaust pipe, the upper vacuum cavity assembly or the lower vacuum cavity assembly moves back to the exhaust pipe and stops at the second position, in the height direction, the exhaust pipe is located between the inner side faces of the two sealing rings, and the front end of the exhaust pipe moves forwards to the front side of the isolation cavity. Compared with the prior art, the vacuum cavity arranged in a floating mode avoids the exhaust pipe, the exhaust pipe is prevented from impacting the sealing ring, the stability of dual-mode switching is improved, and the service life of equipment is prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of vacuum sealing machines, in particular to a dual-purpose vacuum sealing machine. Background Art

[0002] Products packaged in plastic bags use vacuum extraction equipment to remove the air from the bag, and then a hot-melt seal is applied at the bag's opening to achieve a vacuum seal. Plastic bags come in either textured or smooth finishes, so existing vacuum sealers often have two operating modes to accommodate both textured and smooth finishes. This dual-working state vacuum sealing machine generally includes an upper cover and a lower cover connected by a hinge, which are flipped open and closed. The upper and lower covers are respectively provided with an upper vacuum chamber and a lower vacuum chamber on the inner side. When the upper and lower covers are closed, the upper vacuum chamber and the lower vacuum chamber are immediately merged to form a tight vacuuming space; the dual-mode vacuum sealing machine is also provided with a movable air nozzle. When the equipment is vacuum sealing a patterned bag, the air nozzle is in a retracted state and does not participate in the vacuuming work; when the equipment is vacuum sealing a smooth bag, the air nozzle is in an extended state, and the outer end of the air nozzle extends to the front side of the heat sealing strip and is inserted into the interior of the smooth bag to prevent the bag opening from being pressed together and causing air to be unable to be extracted out.

[0003] However, the existing dual-mode vacuum sealing machine still has shortcomings. When the telescopic air nozzle is extended, it is easy to collide with the sealing ring on the outer edge of the cavity of the upper vacuum chamber or the lower vacuum chamber, thereby destroying the airtightness of the sealing ring and making it difficult to complete the vacuuming process of the plastic bag smoothly. Therefore, it is necessary to improve it. Utility Model Content

[0004] In view of the shortcomings of the existing technology, the purpose of the utility model is to provide a vacuum sealing machine with a vacuum lifting mechanism. When the air nozzle is extended, the vacuum chamber can be lifted and lowered to prevent the air nozzle from colliding with the sealing ring.

[0005] In order to achieve the above-mentioned purpose, the technical solution adopted by the present invention is: a dual-purpose vacuum sealing machine, comprising a vacuum pump, a main body and a cover body movably mounted on the upper part of the main body, the bottom of the cover body is provided with an upper vacuum chamber assembly, the upper part of the main body is provided with a lower vacuum chamber assembly, the outer edges of the cavity openings of the upper vacuum chamber assembly and the lower vacuum chamber assembly are respectively provided with a sealing ring, when the cover body covers the main body, the space between the upper vacuum chamber assembly and the lower vacuum chamber assembly forms a relatively closed isolation chamber; the cover body or the main body is provided with a front and rear telescopic exhaust pipe, the exhaust pipe is connected to a telescopic driving device, the upper vacuum chamber assembly is floatingly arranged relative to the cover body, or the lower vacuum chamber assembly is floatingly arranged relative to the main body, the upper vacuum chamber assembly or the lower vacuum chamber assembly is floatingly arranged The component is connected to a lifting drive device; the vacuum sealing machine has a textured bag working state and a smooth bag working state. In the textured bag working state, the vacuum sealing machine uses an isolation chamber for exhaust, and the vacuum pump is connected to the upper vacuum chamber component or the lower vacuum chamber component. The front end of the exhaust pipe retreats at least to the rear side of the isolation chamber, and the upper vacuum chamber component or the lower vacuum chamber component moves toward the exhaust pipe and stops at the first position; in the smooth bag working state, the vacuum sealing machine uses an exhaust pipe for exhaust, and the vacuum pump is connected to the exhaust pipe. The upper vacuum chamber component or the lower vacuum chamber component moves back to the exhaust pipe and stops at the second position. In the height direction, the exhaust pipe is located between the inner sides of the two sealing rings, and the front end of the exhaust pipe moves forward to the front side of the isolation chamber.

[0006] In a further technical solution, the lifting drive device includes a manual drive mechanism, an electric drive mechanism or a pneumatic drive mechanism; the exhaust pipe is a flat tube with a flat shape, an air duct is arranged in the flat tube, the outer end of the air duct passes through the outer end of the flat tube, and the vacuum pump is connected to the inner end of the air duct; when the textured bag is in a working state, the upper vacuum chamber assembly moves downward relative to the bottom surface of the cover body and is relatively protruding, or the lower vacuum chamber assembly moves upward relative to the top surface of the main body and is relatively protruding; when the smooth bag is in a working state, the upper vacuum chamber assembly moves upward relative to the bottom surface of the cover body and is relatively protruding, or the lower vacuum chamber assembly moves downward relative to the top surface of the main body and is relatively protruding; the two sealing rings do not block the upper and lower parts of the exhaust pipe respectively, the exhaust pipe is in an extended shape, the exhaust pipe crosses the sealing ring laterally, and the end of the exhaust pipe extends to the outside of the sealing ring.

[0007] In a further technical solution, the upper vacuum chamber assembly is arranged to float relative to the cover body, and a reset elastic member is connected between the upper vacuum chamber assembly and the cover body; wherein, at least one passive wedge block is arranged on the bottom surface of the upper vacuum chamber assembly, and a first inclined surface is formed on the same side of each passive wedge block; a lifting drive device is arranged inside the cover body, including a movably arranged lifting drive plate, and the lifting drive plate is matched with the cover body for left and right or front and back movement, and at least one active wedge block is arranged on the bottom surface of the lifting drive plate, and a second inclined surface is formed on the same side of each active wedge block, and each second inclined surface of each active wedge block is respectively slidably pressed against the corresponding first inclined surface to drive the upper vacuum chamber assembly to float in the up and down directions.

[0008] In a further technical solution, the lower vacuum chamber assembly is arranged to float relative to the main body, and a reset elastic member is connected or not connected between the upper vacuum chamber assembly and the cover body; wherein, the top surface of the lower vacuum chamber assembly is provided with at least one passive wedge block, and the same side of each passive wedge block is respectively formed with a first inclined surface; the lifting drive device is arranged inside the main body, including a movably arranged lifting drive plate, and the lifting drive plate is matched with the main body for movement in the left and right directions or in the front and back directions, and the top surface of the lifting drive plate is provided with at least one active wedge block, and the same side of each active wedge block is respectively formed with a second inclined surface, and each second inclined surface of each active wedge block is respectively slidably pressed against the corresponding first inclined surface to drive the lower vacuum chamber assembly to float in the up and down directions.

[0009] In a further technical solution, a toggle plate is provided on the side of the lifting drive plate, and the toggle plate extends to the outer side of the vacuum sealing machine.

[0010] In a further technical solution, the vacuum pump is arranged inside the cover body or the main body, and the vacuum pump exhaust end is provided with a switching valve device, which is respectively connected to the isolation chamber and the exhaust pipe.

[0011] When the vacuum sealing machine is in the textured bag working state, the exhaust end of the vacuum pump is connected to the isolation chamber through the switching valve device; when the vacuum sealing machine is in the smooth bag working state, the exhaust end of the vacuum pump is connected to the exhaust pipe through the switching valve device.

[0012] In a further technical solution, the telescopic drive device includes an air nozzle drive motor, a telescopic track box, a telescopic movable block and a telescopic drive screw. The telescopic track box is fixed to the inside of the cover body or the main body, and a drive guide cavity is provided inside the telescopic track box; the air nozzle drive motor is fixedly installed on one side of the telescopic track box, and the output shaft of the air nozzle drive motor is sleeved with a driving gear; the telescopic movable block is slidably installed in the drive guide cavity, the telescopic movable block is provided with an internal threaded hole, and the exhaust pipe is fixedly installed on the telescopic movable block; the telescopic drive screw is rotatably installed in the inside of the drive guide cavity, and is threadedly connected to the internal threaded hole of the telescopic movable block. The end of the telescopic drive screw is sleeved with a passive gear, and the passive gear is meshed with the active gear of the air nozzle drive motor to realize the coordination of the telescopic movement of the exhaust pipe.

[0013] In a further technical solution, a high-temperature resistant slot is provided on the outside of the upper vacuum chamber assembly or the lower vacuum chamber assembly, and a heating strip is embedded in the high-temperature resistant slot; when the vacuum sealing machine is in the smooth bag working state, the vacuum sealing machine has a vacuum processing coordination and a heat sealing processing coordination performed in sequence, and when the vacuum sealing machine is in the vacuum processing coordination, the exhaust pipe extends to the outside of the heating strip; when the vacuum sealing machine is in the heat sealing processing coordination, the exhaust pipe is retracted to the inside of the heating strip.

[0014] In a further technical solution, a first position switch and a second position switch are provided on the side of the telescopic track box, and the first position switch and the second position switch are respectively triggered by the telescopic movable block. When the telescopic movable block triggers the first position switch, the vacuum sealing machine cooperates with the vacuum processing, and the exhaust pipe extends to the outside of the heating strip; when the telescopic movable block triggers the second position switch, the vacuum sealing machine cooperates with the vacuum processing, and the exhaust pipe retracts to the inside of the heating strip.

[0015] In a further technical solution, a locking foot is provided on both sides of the inner side surface of the cover body, and a locking mouth is provided on the inner side of the locking foot; a socket is provided on both sides of the inner side surface of the main body, an elastic lock tongue is installed in the socket, and a reset spring is provided between the elastic lock tongue and the main body. An unlocking button is installed on both sides of the main body, and the unlocking button is connected to the corresponding elastic lock tongue. The locking feet on both sides are respectively inserted into the corresponding sockets, and the corresponding elastic lock tongues are respectively snap-connected to the corresponding locking mouths.

[0016] After adopting the above structure, the advantages of the present invention compared with the prior art are as follows: the present invention provides a vacuum sealing machine with a vacuum lifting mechanism, which avoids the exhaust pipe through a floating vacuum cavity, thereby avoiding the impact and damage to the sealing ring when the exhaust pipe is extended, thereby improving the operating stability and service life of the whole machine; the vacuum pump connects the isolation cavity and the exhaust pipe through a switching valve, thereby realizing the switching of the vacuum gas path between the textured bag working state and the smooth bag working state, realizing the non-bag-picking packaging processing of the vacuum sealing machine, and the operation is stable and reliable; the vacuum cavity is driven to rise and fall by the active wedge block and the passive wedge block, the structure is simple and reliable, and the preparation cost is low. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0018] Figure 1 It is a structural diagram of the present utility model.

[0019] Figure 2 It is a cross-sectional schematic diagram of the present utility model.

[0020] Figure 3 Schematic diagram of the operation of the lower vacuum chamber assembly in Example 1.

[0021] Figure 4 This is a schematic diagram of the operation of the lower vacuum chamber assembly in Example 2.

[0022] Figure 5 This is a schematic diagram of the operation of the upper vacuum chamber assembly in Example 3. DETAILED DESCRIPTION

[0023] The following are merely preferred embodiments of the present invention and do not limit the scope of protection of the present invention.

[0024] Example 1

[0025] like Figures 1 to 3As shown, a dual-purpose vacuum sealing machine includes a vacuum pump, a hinged cover 2 and a main body 1. The bottom of the cover 2 is provided with an upper vacuum chamber assembly 21, and the upper part of the main body 1 is provided with a lower vacuum chamber assembly 11. The outer edges of the cavity openings of the upper vacuum chamber assembly 21 and the lower vacuum chamber assembly 11 are respectively provided with a sealing ring 16. When the cover 2 and the main body 1 are turned over and put together, the space between the upper vacuum chamber assembly 21 and the lower vacuum chamber assembly 11 forms a relatively closed isolation chamber; the main body 1 is equipped with a front and rear telescopic exhaust pipe 421, and is connected to a telescopic drive device. The lower vacuum chamber assembly 11 is provided with a sealing ring 16. Component 11 is in a floating arrangement and is connected to a lifting drive device; the vacuum sealing machine has a textured bag working state and a smooth bag working state. When the vacuum sealing machine is in the textured bag working state, the exhaust pipe 421 is retracted and the lower vacuum chamber assembly 11 is in a raised state; when the vacuum sealing machine is in the smooth bag working state, the lower vacuum chamber assembly 11 is in a sinking state, and its sealing ring 16 is lower than the movement trajectory of the exhaust pipe 421. The exhaust pipe 421 is in an extended state, and the exhaust pipe 421 crosses the sealing ring 16 laterally, and the end of the exhaust pipe 421 extends to the outside of the sealing ring 16.

[0026] The dual-purpose vacuum sealing machine provided in this embodiment avoids the exhaust pipe 421 through the floating lower vacuum chamber assembly 11, which can prevent the exhaust pipe 421 from impacting and damaging the sealing ring 16 when it is extended, thereby improving the operating stability and service life of the entire machine.

[0027] Specifically, the lifting drive device includes a manual drive mechanism, a toggle plate 39 is provided on the side of the lifting drive plate, and a toggle slot 14 is provided on the outer side of the main body 1. The toggle plate 39 extends to the outer side of the main body 1 and slides in the toggle slot 14.

[0028] Of course, the lifting drive device is not limited to a manual drive mechanism, and can also be set as an electric drive mechanism or a pneumatic drive mechanism. This will not be described in detail here and should not be understood as the only drive solution.

[0029] Specifically, it also includes a vacuum pump, which is arranged inside the main body 1. The vacuum pump's exhaust end is provided with a switching valve device, and the switching valve device is respectively connected to the lower vacuum chamber assembly 11 and the exhaust pipe 421. When the vacuum sealing machine is in the textured bag working state, the vacuum pump's exhaust end is connected to the vacuum chamber through the switching valve device; when the vacuum sealing machine is in the smooth bag working state, the vacuum pump's exhaust end is connected to the exhaust pipe 421 through the switching valve device.

[0030] The vacuum pump connects the isolation chamber and the exhaust pipe 421 through a switching valve to realize the switching of the vacuum gas path between the textured bag working state and the smooth bag working state, thereby realizing the non-selective bag packaging processing of the vacuum sealing machine, and the operation is stable and reliable.

[0031] Specifically, a plurality of first passive wedge blocks 111 are provided on the bottom surface of the lower vacuum chamber assembly 11, and a first inclined surface is formed on the right side of the first passive wedge block 111; a first lifting drive plate 3 is movably installed on the bottom of the lower vacuum chamber assembly 11, and a plurality of first active wedge blocks 31 are provided on the top of the first lifting drive plate 3, and a second inclined surface is formed on the left side of the first active wedge block 31. The first inclined surface and the second inclined surface are slidably abutted against each other, and the first lifting drive plate 3 is movably arranged in the left and right directions.

[0032] The active wedge block and the passive wedge block drive the vacuum cavity to move up and down in coordination, the structure is simple and reliable, and the preparation cost is low.

[0033] Specifically, a telescopic drive device is provided inside the main body 1, and the telescopic drive device includes an air nozzle drive motor, a telescopic track box 41, a telescopic movable block 42 and a telescopic drive screw 43. The telescopic track box 41 is fixed to the inside of the cover body 2 or the main body 1, and a drive guide cavity 40 is provided inside the telescopic track box 41; the air nozzle drive motor is fixedly installed on one side of the telescopic track box 41, and the output shaft of the air nozzle drive motor is sleeved with a driving gear; the telescopic movable block 42 is slidably installed in the drive guide cavity 40, and the telescopic movable block 42 is provided with an internal threaded hole, and the exhaust pipe 421 is fixedly installed on the telescopic movable block 42; the telescopic drive screw 43 is rotatably installed in the inside of the drive guide cavity 40, and is threadedly connected to the internal threaded hole of the telescopic movable block 42, and the end of the telescopic drive screw 43 is sleeved with a passive gear 44, which is meshed with the active gear of the air nozzle drive motor to realize the telescopic movement of the exhaust pipe 421.

[0034] Specifically, a high-temperature resistant slot 15 is provided on the outside of the vacuum cavity, and a heating strip is embedded in the high-temperature resistant slot 15; when the vacuum sealing machine is in the smooth bag working state, the vacuum sealing machine has vacuuming processing and heat sealing processing performed in sequence. When the vacuum sealing machine is in the vacuuming processing, the exhaust pipe 421 extends to the outside of the heating strip; when the vacuum sealing machine is in the heat sealing processing, the exhaust pipe 421 retracts to the inside of the heating strip.

[0035] Specifically, a first position switch and a second position switch are provided on the side of the telescopic track box 41, and the first position switch and the second position switch are respectively triggered and cooperated with the telescopic movable block 42. When the telescopic movable block 42 triggers the first position switch, the vacuum sealing machine is in a vacuum state, and the exhaust pipe 421 extends to the outside of the heating strip; when the telescopic movable block 42 triggers the second position switch, the vacuum sealing machine is in a heat sealing state, and the exhaust pipe 421 retracts to the inside of the heating strip.

[0036] Specifically, a locking foot 22 is provided on each side of the inner side of the cover body 2, and a locking opening 221 is provided on the inner side of the locking foot 22; a socket 13 is provided on the inner side of the main body 1, and an elastic locking tongue 121 is installed in the socket 13. A return spring is provided between the elastic locking tongue 121 and the main body 1. An unlocking button 12 is provided on each side of the main body 1, and the unlocking button 12 is connected to the corresponding elastic locking tongue 121. The locking feet 22 on both sides are respectively inserted into the corresponding sockets 13, and the corresponding elastic locking tongues 121 are respectively snap-connected to the corresponding locking openings 221. When the cover body 2 and the main body 1 are flipped over and put together, the locking feet 22 on both sides are respectively inserted into the corresponding sockets 13, and the corresponding elastic locking tongues 121 are respectively snap-connected to the corresponding locking openings 221, which can ensure that the upper and lower sealing rings 16 contact each other and form an airtight isolation chamber.

[0037] Example 2

[0038] like Figure 4 As shown, the structure of the vacuum sealer shown in this embodiment is basically the same as that of the above-mentioned embodiment, and it also belongs to the floating lower vacuum chamber scheme. The lower vacuum chamber assembly 11 in this embodiment is also floatingly mounted on the inner side of the main body 1. The difference is that the bottom surface of the lower vacuum chamber assembly 11 is provided with a plurality of second passive wedge blocks 112, and the rear side of the second passive wedge blocks 112 is formed with a first inclined surface. The bottom of the lower vacuum chamber assembly 11 is movably mounted with a second lifting drive plate 4, and the top of the second lifting drive plate 4 is provided with a plurality of second active wedge blocks 41, and the front side of the second active wedge blocks 41 is formed with a second inclined surface. The first inclined surface and the second inclined surface slide against each other, and the second lifting drive plate 4 is movably mounted in the front-to-back direction. The two sides of the second lifting drive plate 4 that are movably mounted are respectively formed with a toggle plate 39, and the two toggle plates 39 are movably extended to the two side surfaces of the main body 1.

[0039] The lifting drive plate that is movable in the front and rear directions can facilitate the design of different drive modes and adapt to different production specifications.

[0040] Example 3

[0041] like Figure 5As shown, the structure of the vacuum sealer shown in this embodiment is basically the same as that of the above-mentioned embodiment. The difference is that this dual-purpose vacuum sealer adopts a floating upper vacuum chamber solution. The upper vacuum chamber assembly 21 is floatingly mounted and floatingly mounted on the inner side of the cover body 2. Specifically, the top surface of the upper vacuum chamber assembly 21 is provided with a plurality of third passive wedge blocks 211, and the left side of the third passive wedge blocks 211 is formed with a first inclined surface. A third lifting drive plate 5 is movably mounted on the top of the upper vacuum chamber assembly 21. The bottom of the third lifting drive plate 5 is provided with a plurality of third active wedge blocks 51, and the right side of the third active wedge blocks 51 is formed with a second inclined surface. The first inclined surface and the second inclined surface slide and abut against each other, and the third lifting drive plate 5 is movable in the left and right directions. A reset elastic member 212 is also connected between the upper vacuum chamber assembly 21 and the cover body 2 to drive the upper vacuum chamber assembly 21 to sink and reset.

[0042] Of course, the floating upper vacuum chamber assembly 21 can also be driven by a lifting driving plate movably arranged along the front-back direction, which will not be described in detail here.

[0043] The design of the upper vacuum chamber assembly 21 as a floating chamber can further meet the structural diversity of the vacuum sealing machine and meet the design requirements of vacuum sealing machines with different structural specifications.

[0044] The above contents are only preferred embodiments of the present invention. For ordinary technicians in this field, according to the concept of the present invention, there may be changes in the specific implementation methods and application scope. The content of this specification should not be understood as limiting the present invention.

[0045] The above contents are only preferred embodiments of the present invention. For ordinary technicians in this field, according to the concept of the present invention, there may be changes in the specific implementation methods and application scope. The content of this specification should not be understood as limiting the present invention.

Claims

1. A dual-purpose vacuum sealing machine, comprising a vacuum pump, a main body (1) and a cover (2) movably mounted on the upper part of the main body (1), wherein an upper vacuum chamber assembly (21) is provided at the bottom of the cover (2), and a lower vacuum chamber assembly (11) is provided at the upper part of the main body (1), and a sealing ring (16) is provided at the outer edge of the cavity opening of the upper vacuum chamber assembly (21) and the lower vacuum chamber assembly (11), respectively; when the cover (2) covers the main body (1), the space between the upper vacuum chamber assembly (21) and the lower vacuum chamber assembly (11) forms a relatively closed isolation cavity; the cover (2) or the main body (1) is mounted with a front-rear telescopic exhaust pipe (421), and the exhaust pipe (421) is connected to a telescopic drive device, characterized in that: The upper vacuum chamber assembly (21) is arranged to float relative to the cover body (2), or the lower vacuum chamber assembly (11) is arranged to float relative to the main body (1), and the upper vacuum chamber assembly (21) or the lower vacuum chamber assembly (11) is connected to a lifting drive device; The vacuum sealing machine has the working state of pattern bag and smooth bag. When the pattern bag is in operation, the vacuum sealing machine uses the isolation chamber to evacuate air, the vacuum pump is connected to the upper vacuum chamber assembly (21) or the lower vacuum chamber assembly (11), the front end of the exhaust pipe (421) retreats at least to the rear side of the isolation chamber, and the upper vacuum chamber assembly (21) or the lower vacuum chamber assembly (11) moves toward the exhaust pipe (421) and stops at the first position; When the smooth bag is in working state, the vacuum sealing machine uses the exhaust pipe (421) to exhaust air, the vacuum pump is connected to the exhaust pipe (421), the upper vacuum chamber assembly (21) or the lower vacuum chamber assembly (11) moves away from the exhaust pipe (421) and stops at the second position, in the height direction, the exhaust pipe (421) is located between the inner side surfaces of the two sealing rings (16), and the front end of the exhaust pipe (421) moves forward to the front side of the isolation chamber.

2. The dual-purpose vacuum sealer according to claim 1, characterized in that: The lifting drive device includes a manual drive mechanism, an electric drive mechanism or a pneumatic drive mechanism; the exhaust pipe (421) is a flat tube with an air passage provided inside the flat tube, the outer end of the air passage passes through the outer end of the flat tube, and the vacuum pump is connected to the inner end of the air passage; When the pattern bag is in operation, the upper vacuum chamber assembly (21) moves downward relative to the bottom surface of the cover body (2) and is relatively protruding, or the lower vacuum chamber assembly (11) moves upward relative to the top surface of the main body (1) and is relatively protruding; In the smooth bag working state, the upper vacuum chamber assembly (21) moves upward relative to the bottom surface of the cover body (2) and is relatively protruding, or the lower vacuum chamber assembly (11) moves downward relative to the top surface of the main body (1) and is relatively protruding; The two sealing rings (16) do not block the upper and lower portions of the exhaust pipe (421), respectively. The exhaust pipe (421) is in an extended shape, and the exhaust pipe (421) laterally crosses the sealing ring (16), and the end portion of the exhaust pipe (421) extends to the outside of the sealing ring (16).

3. The dual-purpose vacuum sealer according to claim 2, characterized in that: The upper vacuum chamber assembly (21) is arranged to float relative to the cover body (2), and a reset elastic member (212) is connected between the upper vacuum chamber assembly (21) and the cover body (2); The bottom surface of the upper vacuum chamber assembly (21) is provided with at least one passive wedge block, and a first inclined surface is formed on the same side of each passive wedge block; the lifting drive device is provided inside the cover body (2), and includes a movable lifting drive plate, and the lifting drive plate is moved in a left-right direction or a front-back direction relative to the cover body (2); the bottom surface of the lifting drive plate is provided with at least one active wedge block, and a second inclined surface is formed on the same side of each active wedge block; each second inclined surface of each active wedge block is respectively slidably pressed against the corresponding first inclined surface to drive the upper vacuum chamber assembly (21) to float in the up-down direction.

4. The dual-purpose vacuum sealer according to claim 2, characterized in that: The lower vacuum chamber assembly (11) is arranged to float relative to the main body (1), and a reset elastic member (212) is connected or not connected between the upper vacuum chamber assembly (21) and the cover body (2); The top surface of the lower vacuum chamber assembly (11) is provided with at least one passive wedge block, and a first inclined surface is formed on the same side of each passive wedge block; the lifting drive device is provided inside the main body (1), and includes a movable lifting drive plate, and the lifting drive plate is coordinated with the main body (1) in the left and right directions or in the front and back directions; the top surface of the lifting drive plate is provided with at least one active wedge block, and a second inclined surface is formed on the same side of each active wedge block; each second inclined surface of each active wedge block is respectively slidably pressed against the corresponding first inclined surface to drive the lower vacuum chamber assembly (11) to float in the up and down directions.

5. A dual-purpose vacuum sealer according to claim 3 or 4, characterized in that: A toggle plate (39) is provided on the side of the lifting drive plate, and the toggle plate (39) extends to the outer side of the vacuum sealing machine.

6. The dual-purpose vacuum sealer according to claim 1, characterized in that: The vacuum pump is arranged inside the cover body (2) or the main body (1), and a switching valve device is provided at the air extraction end of the vacuum pump. The switching valve device is respectively connected to the isolation chamber and the air extraction pipe (421). When the vacuum sealer is in the pattern bag working state, the vacuum pump's exhaust end is connected to the isolation chamber through the switching valve device; when the vacuum sealer is in the smooth bag working state, the vacuum pump's exhaust end is connected to the exhaust pipe (421) through the switching valve device.

7. The dual-purpose vacuum sealer according to claim 1, characterized in that: The telescopic drive device comprises an air nozzle drive motor, a telescopic track box (41), a telescopic movable block (42) and a telescopic drive screw (43). The telescopic track box (41) is fixed to the inside of the cover body (2) or the main body (1), and a drive guide cavity (40) is provided inside the telescopic track box (41); the air nozzle drive motor is fixedly installed on one side of the telescopic track box (41), and the output shaft of the air nozzle drive motor is sleeved with a driving gear; the telescopic movable block (42) is slidably installed in the drive guide cavity (40), and the telescopic movable block (42) is provided with an internal threaded hole, and the exhaust pipe (421) is fixedly installed on the telescopic movable block (42); the telescopic drive screw (43) is rotatably installed in the inside of the drive guide cavity (40) and is threadedly connected to the internal threaded hole of the telescopic movable block (42); the end of the telescopic drive screw (43) is sleeved with a passive gear (44), and the passive gear (44) is meshed with the active gear of the air nozzle drive motor to achieve the cooperation of driving the exhaust pipe (421) to perform telescopic movement.

8. The dual-purpose vacuum sealer according to claim 7, characterized in that: A high-temperature resistant card slot (15) is provided on the outer side of the upper vacuum chamber component (21) or the lower vacuum chamber component (11), and a heating strip is embedded in the high-temperature resistant card slot (15); When the vacuum sealer is in the smooth bag working state, the vacuum sealer has a vacuum processing coordination and a heat sealing processing coordination performed in sequence. When the vacuum sealer is in the vacuum processing coordination, the exhaust pipe (421) extends to the outside of the heating strip; when the vacuum sealer is in the heat sealing processing coordination, the exhaust pipe (421) retracts to the inside of the heating strip.

9. The dual-purpose vacuum sealer according to claim 8, characterized in that: A first position switch and a second position switch are provided on the side of the telescopic track box (41), and the first position switch and the second position switch are respectively triggered and coordinated with the telescopic movable block (42). When the telescopic movable block (42) triggers the first position switch, the vacuum sealing machine performs vacuum processing, and the exhaust pipe (421) extends to the outside of the heating strip; when the telescopic movable block (42) triggers the second position switch, the vacuum sealing machine performs vacuum processing, and the exhaust pipe (421) retracts to the inside of the heating strip.

10. The dual-purpose vacuum sealer according to claim 1, characterized in that: A locking foot (22) is provided on each side of the inner side of the cover body (2), and a locking opening (221) is provided on the inner side of the locking foot (22); a socket (13) is provided on each side of the inner side of the main body (1), an elastic locking tongue (121) is installed in the socket (13), a return spring is provided between the elastic locking tongue (121) and the main body (1), and an unlocking button (12) is provided on each side of the main body (1), the unlocking button (12) is connected to the corresponding elastic locking tongue (121), the locking feet (22) on both sides are respectively plugged into the corresponding socket (13), and the corresponding elastic locking tongue (121) is respectively snap-connected to the corresponding locking opening (221).

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