Sealing mechanism of vacuum packaging machine

Abstract

The utility model discloses a sealing mechanism of a vacuum packaging machine, which relates to the technical field of vacuum packaging of agricultural products, and is characterized in that a pressing connecting rod is in a movable state, is not provided with a fixing structure for limiting the state, and is easy to age and loosen after being used for a long time, so that the sealing mechanism is easy to cause misoperation or external impact accidents. Therefore, the connecting rod slides off from the upper part of the cover. The sealing device comprises a sealing mechanism, a vacuum cover and a sealing locking piece which are arranged above the vacuum packaging machine, the sealing locking piece comprises an installation box fixedly arranged on the top face outside the vacuum cover, a worm is rotationally connected to the inner side wall of the installation box, a plurality of sets of worm wheels are arranged on the outer side of the worm in a meshed mode, and the worm wheels are connected with the installation box. According to the vacuum cover sealing and locking device, a sealing and locking structure for limiting a vacuum cover is formed, the operation method is simple and rapid, and the vacuum cover sealing and locking device has the advantages of being high in stability and the like.

Description

TECHNICAL FIELD

[0001] The utility model relates to agricultural product vacuum packaging technical field, concretely is a kind of vacuum packaging machine sealing mechanism. BACKGROUND

[0002] Vacuum packaging machine can automatically extract the air in packaging bag, complete sealing process after reaching predetermined vacuum degree. It can also be filled with nitrogen or other mixed gas, and then complete the sealing process. Vacuum packaging machine is usually used for packaging of agricultural products, such as dry mats, dry mushrooms or agaric, etc. Agricultural food materials. Because the food can be antioxidant after vacuum packaging, it can achieve the purpose of long-term preservation, so it is convenient for long-distance transportation of a large amount of agricultural products. Therefore, it is an indispensable equipment in the production and transportation of agricultural products.

[0003] The existing vacuum packaging machine needs to open the vacuum cover first when in use, and place the packaging bag filled with agricultural products on the heating base of the machine. The operator presses the vacuum cover. In order to keep the machine and the cover sealed, the pressing connecting rod outside the machine body needs to be moved upwards to fix the machine cover in the depressed state. Since the pressing connecting rod is in a movable state, and there is no fixing structure to limit its state, and the connecting rod is prone to aging and loosening after long use, the connecting rod is easily slipped off from above the machine cover due to improper operation or external impact accident, which affects the sealing effect between the vacuum cover and the machine. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a kind of vacuum packaging machine sealing mechanism to solve the above background art. Since the pressing connecting rod is in a movable state, and there is no fixing structure to limit its state, and the connecting rod is prone to aging and loosening after long use, the connecting rod is easily slipped off from above the machine cover due to improper operation or external impact accident, which affects the sealing effect between the vacuum cover and the machine.

[0005] To achieve the above purpose, the utility model provides the following technical scheme: a kind of vacuum packaging machine sealing mechanism, the sealing mechanism is used to be set in the upper of vacuum packaging machine, including vacuum cover and sealing locking piece, the top surface of the vacuum packaging machine outside is provided with several groups of plugboard, the vacuum cover is set in the upper of vacuum packaging machine, the sealing locking piece is set on the top surface of vacuum cover, the sealing locking piece includes the installation box of being fixed in the top surface of vacuum cover, the inner side wall of the installation box is rotatably connected with worm, the outer side wall of the installation box is fixed with servo motor, the outer side of the worm is meshed with several groups of worm gears, the bottom surface of several groups of worm gears is connected with driven gear, the outer side of the driven gear is meshed with rack, the rack is fixed with limit link plate on the side away from driven gear.

[0006] By adopting the above technical scheme, the limit link plate can be moved and inserted into the inside of the plugboard.

[0007] Preferably, the inside of the vacuum cover is provided with a plurality of groups of sockets, the plurality of groups of sockets are equidistantly distributed along the transverse length direction of the vacuum cover, the diameter of the socket is matched with the diameter of the plug, the top end of the plug is inserted into the inside of the socket and extends to the outside of the socket.

[0008] By adopting the above technical scheme, the sealing locking piece is used to fix the vacuum cover.

[0009] Preferably, the inside of the plurality of groups of plugs is provided with a clamping groove, one end of the limiting connecting plate away from the driven gear is inserted into the inside of the clamping groove, and the limiting connecting plate and the plug form a clamping structure.

[0010] By adopting the above technical scheme, the vacuum cover in the pressed state can be fixed.

[0011] Preferably, the inside wall of the mounting box is fixedly connected with a plurality of groups of fixed blocks, the side of the plurality of groups of fixed blocks close to the limiting connecting plate is slidingly connected with an extension movable rod, and one end of the extension movable rod away from the fixed block is fixedly connected with the outside wall of the limiting connecting plate.

[0012] By adopting the above technical scheme, the limiting connecting plate is provided with a supporting effect.

[0013] Preferably, a spring is sleeved around the outside of the extension movable rod, the side of the plurality of groups of fixed blocks close to the limiting connecting plate is fixedly connected with the spring, and one end of the spring away from the fixed block is fixedly connected with the outside wall of the limiting connecting plate.

[0014] By adopting the above technical scheme, the spring can cooperate with the forward and backward movement of the limiting connecting plate.

[0015] Preferably, the side of the vacuum cover close to the vacuum packaging machine is fixedly connected with two groups of transverse baffles, the two groups of transverse baffles are symmetrically distributed on the vertical central axis of the vacuum cover, the side of the vacuum packaging machine close to the vacuum cover is provided with two groups of sealing grooves, and the bottom end of the transverse baffle is inserted into the inside of the sealing groove.

[0016] By adopting the above technical scheme, the sealing property between the vacuum cover and the vacuum packaging machine is improved.

[0017] Preferably, one end of the worm extends to the outside of the mounting box, and one end of the worm is fixedly connected with the output end of the servo motor.

[0018] By adopting the above technical scheme, when the servo motor is started, the worm is driven to rotate clockwise or counterclockwise.

[0019] Compared with the prior art, the utility model discloses the beneficial effect is: through the control panel start servo motor, the output of servo motor drives worm to rotate, when worm rotation drives worm wheel and driven gear synchronous rotation, driven gear and rack engage activity to move rack to the outside direction of mounting box, the rack drives the limit link plate to the outside movement, limit link plate far from the end of driven gear inserts the inside of the plugboard, completes the spacing work to vacuum lid, and thus constitutes the sealing locking structure of spacing to vacuum lid, its operation method is simple and quick, improved the sealing effect between vacuum lid and vacuum packaging machine, and it is difficult to loosen because of external impact and other factors, has higher stability and so on. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is the appearance structure schematic drawing of the utility model;

[0021] Figure 2 It is the A place enlarged schematic drawing of the utility model;

[0022] Figure 3 It is the vacuum lid structure schematic drawing of the utility model;

[0023] Figure 4 It is the B place enlarged schematic drawing of the utility model;

[0024] Figure 5 It is the sealing locking spare partial section view structure schematic drawing of the utility model;

[0025] Figure 6 It is the C place enlarged schematic drawing of the utility model;

[0026] Figure 7 It is the sealing locking spare partial section view structure schematic drawing of the utility model.

[0027] In the drawing: 1, vacuum packaging machine;101, plugboard;102, clamping groove;103, sealing groove;2, vacuum lid;201, spout;3, sealing locking spare;301, mounting box;302, worm;303, servo motor;304, worm wheel;305, driven gear;306, rack;307, limit link plate;308, telescopic movable rod;309, spring;310, fixed block;311, horizontal baffle. DETAILED DESCRIPTION

[0028] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the scope of protection of the utility model.

[0029] The following is in conjunction with the appendix Figure 1 —7 provides a further detailed description of this utility model.

[0030] Example 1

[0031] Please see Figures 1-7 This embodiment provides a sealing mechanism technical solution for a vacuum packaging machine: A sealing mechanism for a vacuum packaging machine is used to be installed above a vacuum packaging machine 1, including a vacuum cover 2 and a sealing locking component 3. Both the vacuum packaging machine 1 and the sealing locking component 3 are connected to an external power supply via power lines. A control panel is provided on the outer wall of the vacuum packaging machine 1 and is connected to the control panel via a data line. The vacuum cover 2 is installed above the vacuum packaging machine 1 and is connected to the vacuum packaging machine 1 via a hinge. Several sets of insertion ports 201 are opened inside the vacuum cover 2, and the insertion ports 201 are connected to the outside of the vacuum cover 2. The several sets of insertion ports 201 are equidistantly distributed along the transverse length direction of the vacuum cover 2. Several sets of insert plates 101 are provided on the top surface of the outer side of the vacuum packaging machine 1, and the several sets of insert plates 101 are equidistantly distributed along the transverse length direction of the vacuum packaging machine 1. The position and number of the insert plates 101 correspond to the positions of the insertion ports 201. The diameter of the insertion port 201 is matched with the diameter of the insertion plate 101. The top of the insertion plate 101 is inserted into the interior of the insertion port 201 and extends to the exterior of the insertion port 201. When the vacuum cover 2 is moved downward to press it, the top of the insertion plate 101 is inserted into the interior of the insertion port 201, thereby initially fixing the position of the vacuum cover 2. Two sets of transverse baffles 311 are bolted to the side of the vacuum cover 2 near the vacuum packaging machine 1. The two sets of transverse baffles 311 are symmetrically distributed on the vertical central axis of the vacuum cover 2. Two sets of sealing grooves 103 are opened on the side of the vacuum packaging machine 1 near the vacuum cover 2. The bottom end of the transverse baffle 311 is inserted into the interior of the sealing groove 103. When the vacuum cover 2 is moved downward to press it, the vacuum cover 2 drives the transverse baffles 311 to move downward until the transverse baffles 311 are inserted into the interior of the sealing groove 103, which can improve the stability and sealing of the connection between the vacuum cover 2 and the vacuum packaging machine 1.

[0032] Example 2

[0033] Please see Figures 1-7The sealing and locking piece 3 is arranged on the top surface of the vacuum cover 2, and comprises a mounting box 301 which is bolted on the outer top surface of the vacuum cover 2, the mounting box 301 is arranged in a hollow structure, and a square notch is arranged on the side of the mounting box 301 close to the plug plate 101, so as to facilitate the forward and backward movement of the limiting connecting plate 307 inside and outside the mounting box 301. A worm 302 is rotatably connected to the inner side wall of the mounting box 301 through a bearing, a servo motor 303 is bolted on the outer side wall of the mounting box 301, one end of the worm 302 extends to the outside of the mounting box 301, and the one end of the worm 302 is bolted with the output end of the servo motor 303. When the top end of the plug plate 101 is inserted into the inside of the socket 201, the servo motor 303 is started by the control panel, the output end of the servo motor 303 drives the worm 302 to rotate, the outside of the worm 302 is meshingly provided with a plurality of worm gears 304, the top surface of the worm gear 304 is rotatably connected to the top surface inside the mounting box 301 through a bearing, the bottom surface of the plurality of worm gears 304 is bolted with a driven gear 305, the bottom surface of the driven gear 305 is rotatably connected to the bottom surface inside the mounting box 301 through a bearing, the outside of the driven gear 305 is meshingly provided with a rack 306, the rack 306 is screw-connected with the limiting connecting plate 307 on the side away from the driven gear 305, a clamping groove 102 is arranged in the inside of the plurality of plug plates 101, the limiting connecting plate 307 and the plug plate 101 form a clamping structure, the worm 302 is meshingly movable with the worm gear 304 when rotating, driving the worm gear 304 and the driven gear 305 to rotate synchronously, the driven gear 305 is meshingly movable with the rack 306 when rotating, driving the rack 306 to move to the outside of the mounting box 301, until the one end of the limiting connecting plate 307 away from the driven gear 305 is inserted into the inside of the clamping groove 102, and the fixing work of the vacuum cover 2 is completed.

[0034] Example three

[0035] Please refer to Figures 1-7The inner side wall of the mounting box 301 is bolted with a plurality of groups of fixing blocks 310, the number and position of the plurality of groups of fixing blocks 310 correspond to the limiting connecting plate 307, the side of the plurality of groups of fixing blocks 310 close to the limiting connecting plate 307 is slidingly connected with a telescopic movable rod 308, the end of the telescopic movable rod 308 away from the fixing block 310 is bolted with the outer side wall of the limiting connecting plate 307, a spring 309 is sleeved on the outer side of the telescopic movable rod 308, the side of the plurality of groups of fixing blocks 310 close to the limiting connecting plate 307 is bolted with the spring 309, the end of the spring 309 away from the fixing block 310 is bolted with the outer side wall of the limiting connecting plate 307, the limiting connecting plate 307 is connected in the interior of the mounting box 301 by the spring 309 and the telescopic movable rod 308, and the telescopic function of the telescopic movable rod 308 and the spring 309 is utilized to cooperate with the forward and backward movement of the limiting connecting plate 307, when the limiting connecting plate 307 moves to the outside of the mounting box 301, the telescopic movable rod 308 and the spring 309 can be lengthened, and when the limiting connecting plate 307 moves to the interior of the mounting box 301, the telescopic movable rod 308 and the spring 309 can be shortened.

[0036] Working principle: first, the agricultural products are loaded into the bag, then the vacuum cover 2 is opened, the bagged agricultural products are placed in the interior of the vacuum packaging machine 1, then the vacuum cover 2 is moved downward and pressed, so that the bottom surface of the vacuum cover 2 is tightly attached to the top surface of the vacuum packaging machine 1, and the top ends of the plurality of groups of insertion plates 101 are inserted into the interiors of the insertion ports 201, then the servo motor 303 is started through the control panel;

[0037] Secondly, the output end of the servo motor 303 drives the worm 302 to rotate, the worm 302 rotates and is in meshing movement with the worm gear 304, drives the worm gear 304 and the driven gear 305 to rotate synchronously, at this time, the driven gear 305 rotates and is in meshing movement with the rack 306, pushes the rack 306 to move to the outside of the mounting box 301;

[0038] Finally, the rack 306 drives the limiting connecting plate 307 to move towards the outside, at this time, the end of the limiting connecting plate 307 away from the driven gear 305 is inserted into the clamping groove 102, the mounting box 301 stops rotating, completes the sealing and locking work between the vacuum packaging machine 1 and the vacuum cover 2, the vacuum packaging machine 1 performs vacuum sealing work on the bagged agricultural products, and finally completes the work.

[0039] It is apparent for a person skilled in the art that the present application is not restricted to the details of the above exemplary embodiments, but that it can be implemented in other concrete forms without departing from the spirit or the essential characteristics of the present application. Therefore, the embodiments should be considered as exemplary only, and not limiting, the scope of the present application being defined by the appended claims rather than by the above description, and all changes coming within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference signs in the claims should not be construed as limiting the claims concerned.

Claims

1. A sealing mechanism of a vacuum packaging machine, the sealing mechanism being used to be disposed above the vacuum packaging machine, characterized in that, The sealing mechanism comprises: A vacuum packaging machine is provided with a plurality of plug-in plates on the top surface of the outside of the vacuum packaging machine; A vacuum cover is arranged above the vacuum packaging machine; A sealing lock is arranged on the top surface of the vacuum cover, and the sealing lock comprises a mounting box fixed on the outside top surface of the vacuum cover, a worm is rotatably connected to the inner side wall of the mounting box, a servo motor is fixed on the outer side wall of the mounting box, a plurality of worm gears are arranged on the outer side of the worm, a driven gear is connected to the bottom surface of each of the plurality of worm gears, a rack is arranged on the outer side of the driven gear, and a limiting connecting plate is fixed on the side of the rack away from the driven gear.

2. A sealing mechanism for a vacuum packaging machine according to claim 1, characterized in that: A plurality of sockets are arranged in the inside of the vacuum cover, the plurality of sockets are equidistantly distributed along the transverse length direction of the vacuum cover, the diameter of the socket is matched with the diameter of the plug-in plate, the top end of the plug-in plate is inserted into the inside of the socket and extends to the outside of the socket.

3. A vacuum packaging machine sealing mechanism according to claim 2, wherein: A plurality of plug-in plates are arranged in the inside of the vacuum cover, the plurality of plug-in plates are equidistantly distributed along the transverse length direction of the vacuum cover, the diameter of the socket is matched with the diameter of the plug-in plate, the top end of the plug-in plate is inserted into the inside of the socket and extends to the outside of the socket.

4. A sealing mechanism for a vacuum packaging machine according to claim 1, characterized in that: A plurality of sockets are arranged in the inside of the vacuum cover, the plurality of sockets are equidistantly distributed along the transverse length direction of the vacuum cover, the diameter of the socket is matched with the diameter of the plug-in plate, the top end of the plug-in plate is inserted into the inside of the socket and extends to the outside of the socket.

5. A vacuum packaging machine sealing mechanism according to claim 4, wherein: A plurality of fixed blocks are fixedly connected to the inner side wall of the mounting box, a telescopic rod is slidingly connected to the side of the fixed block close to the limiting connecting plate, and the end of the telescopic rod away from the fixed block is fixedly connected to the outer side wall of the limiting connecting plate.

6. A vacuum packaging machine sealing mechanism according to claim 1, wherein: A spring is arranged on the outside of the telescopic rod, and the spring is fixedly connected to the side of the fixed block close to the limiting connecting plate.

7. A vacuum packaging machine sealing mechanism according to claim 1, wherein: Two transverse baffles are fixedly connected to the side of the vacuum cover close to the vacuum packaging machine, the two transverse baffles are symmetrically distributed on the vertical central axis of the vacuum cover, two sealing grooves are arranged on the side of the vacuum packaging machine close to the vacuum cover, and the bottom end of the transverse baffle is inserted into the inside of the sealing groove. One end of the worm extends to the outside of the mounting box, and the end of the worm is fixedly connected to the output end of the servo motor.

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