Vacuum packaging machine

Abstract

The utility model provides a vacuum packaging machine which comprises a packaging machine body and a bearing support, a lifting assembly is installed on the bearing support, the bottom end of a sliding rod is fixedly connected with the bearing support, a supporting plate is connected with the sliding rod in a sliding mode, the top end of a sleeve is fixedly connected with the supporting plate, and the top end of the sleeve is fixedly connected with the bearing support. The ejector rod is inserted into a through groove of the sleeve, the elastic piece is located in a cavity of the sleeve, the storage plate is fixedly connected with the top end of the ejector rod, bagged rice is lifted to a proper position through the driving piece, after vacuumizing is conducted, the size of the bagged rice is reduced, the bottom of the bagged rice can be separated from the storage plate, and at the moment, the bagged rice is separated from the storage plate. Under the action of the elastic piece, the storage plate gradually resets and always makes contact with the bottom of the bagged rice, bearing force is provided for the bagged rice through the storage plate, and the situation that the bagged rice is separated from a sealing strip of the packaging machine body in the sealing process due to the too large gravity of the bagged rice is prevented.

Description

Technical Field

[0001] This utility model relates to the field of vacuum packaging machine technology, and in particular to a vacuum packaging machine. Background Technology

[0002] Vacuum packaging machines are mechanical devices that use a vacuum environment to protect packaged items. They are widely used in various fields such as food, pharmaceuticals, electronic components, and precision instruments. In the food industry, vacuum packaging can effectively prevent food oxidation and mold growth, and extend shelf life.

[0003] In the process of vacuum packaging rice, the rice is first placed in a packaging bag, and then the vacuum pump of the vacuum packaging machine is used to extract the air from the bag. After the predetermined vacuum degree is reached, the pumping is stopped, and the packaging bag is sealed with a heat-sealing strip. During sealing, two heat-sealing strips clamp the packaging bag. When the packaging bag is vacuumed, its volume shrinks, and the bottom of the packaging bag moves away from the tray of the vacuum packaging machine. Since the rice in the packaging bag has downward gravity, when the gravity is greater than the clamping force of the sealing strip on the packaging bag, the packaging bag will fall off the sealing strip. Therefore, we propose a vacuum packaging machine. Utility Model Content

[0004] The purpose of this utility model is to provide a vacuum packaging machine in which the placement plate gradually returns to its original position under the action of the elastic element and always keeps in contact with the bottom of the bagged rice. The placement plate provides load-bearing force to the bagged rice and prevents the bagged rice from separating from the sealing strip of the packaging machine body during the sealing process.

[0005] This utility model provides a vacuum packaging machine, including a packaging machine body and a support frame. A lifting component is installed on the support frame. When sealing bags of rice, the lifting component reduces the downward pulling force of the bagged rice on the sealing strip of the packaging machine body.

[0006] The lifting assembly includes a slide bar, a support plate, a sleeve, an elastic element, a top rod, a storage plate, and a driving element;

[0007] The bottom end of the slide rod is fixedly connected to the bearing bracket, the support plate is slidably connected to the slide rod, the top end of the sleeve is fixedly connected to the support plate, the top rod is inserted into the through groove of the sleeve, the elastic element is located in the cavity of the sleeve, the upper and lower ends of the elastic element are fixedly connected to the top rod and the sleeve respectively, the placement plate is fixedly connected to the top end of the top rod, and the driving member is used to drive the support plate to move up and down.

[0008] Preferably, a limiting component is installed on the shelf, the limiting component being used to constrain the position of the bagged rice on the shelf;

[0009] The limiting component includes a U-shaped frame, a connector, a pad, and a clamping component;

[0010] The bottom end of the U-shaped frame is fixedly connected to the shelf, the pad is arranged parallel to the U-shaped frame, the pad is connected to the U-shaped frame through the connector, and the clamping member is used to press the bagged rice tightly.

[0011] Preferably, the connector includes a strip plate and a locating pin;

[0012] One end of the strip plate is fixedly connected to the U-shaped frame, and the other end of the strip plate is inserted into the limiting groove of the pad plate. The strip plate is connected to the pad plate through the positioning pin.

[0013] Preferably, the clamping element includes a screw, a handwheel, and a disc;

[0014] The screw and the U-shaped frame are internally threaded together, the center hole of the disc is fixedly connected to the screw, and the handwheel is fixedly connected to the end of the screw away from the disc.

[0015] Preferably, a rubber plate is fixedly connected to the side of the disc away from the screw, and the rubber plate is processed with striped patterns.

[0016] Preferably, the driving component includes a drive shaft, a slider, a connecting plate, and a motor;

[0017] The drive shaft is rotatably connected to the bearing bracket via a bearing. The slider is threadedly connected to the outer periphery of the drive shaft. The connecting plate is fixedly connected to the outer periphery of the slider. The connecting plate is fixedly connected to the slot of the support plate. The output end of the motor is fixedly connected to the top end of the drive shaft.

[0018] Preferably, the support bracket is equipped with anti-slip components;

[0019] The anti-slip component includes a threaded sleeve, a threaded rod, and a base.

[0020] A threaded sleeve is fixedly connected to the bottom limiting hole of the bearing bracket, and a threaded rod is threadedly connected to the threaded sleeve. The bottom end of the threaded rod is fixedly connected to the base plate.

[0021] Preferably, casters are installed at all four corners of the support bracket, and the casters are used to adjust the position of the overall mechanism.

[0022] Preferably, a rubber tube is fixedly connected to the support plate, and the top end of the rubber tube abuts against the shelf.

[0023] Preferably, the elastic element is a compression spring.

[0024] This utility model provides an improved vacuum packaging machine, which has the following improvements and advantages compared with the prior art:

[0025] By using the packaging machine body, support bracket, slide bar, support plate, sleeve, elastic element, top rod, placement plate, and drive component in conjunction, the bagged rice is placed on the placement plate. The drive component lifts the bagged rice to a suitable position. After vacuuming, the volume of the bagged rice shrinks, and the bottom of the bagged rice separates from the placement plate. At this time, under the action of the elastic element, the placement plate gradually returns to its original position and remains in contact with the bottom of the bagged rice. The placement plate provides load-bearing force to the bagged rice, preventing excessive weight from causing the sealing strip of the bagged rice to separate from the sealing strip of the packaging machine body during the sealing process, thus improving the stability of sealing the bagged rice. Attached Figure Description

[0026] To more clearly illustrate the specific embodiments of this utility model or the technical solutions in the prior art, the drawings used in the description of the specific embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of this utility model. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.

[0027] Figure 1 This is a schematic diagram of the structure of this utility model;

[0028] Figure 2 This is a partial cross-sectional view of the sleeve in this utility model;

[0029] Figure 3 This is a schematic diagram of the structure of the threaded sleeve, threaded rod, and chassis in this utility model;

[0030] Figure 4 This is a schematic diagram of the structure of the drive shaft, slider, and connecting plate in this utility model;

[0031] Figure 5 This is a schematic diagram of the screw, handwheel, and disc in this utility model.

[0032] Explanation of reference numerals in the attached figures:

[0033] 1-Packaging machine body, 2-Bearing bracket, 21-Anti-slip component, 211-Threaded sleeve, 212-Threaded rod, 213-Chassis, 22-Universal wheel, 3-Lifting assembly, 31-Slide rod, 32-Support plate, 321-Rubber tube, 33-Sleeve, 34-Elastic component, 35-Top rod, 36-Place plate, 37-Drive component, 371-Transmission shaft, 372-Slider, 373-Connecting plate, 374-Motor, 4-Limiting assembly, 41-U-shaped frame, 42-Connecting component, 421-Strip plate, 422-Positioning pin, 43-Pad plate, 44-Tightening component, 441-Screw, 442-Handwheel, 443-Disc, 443a-Rubber plate. Detailed Implementation

[0034] The technical solution of this utility model will be clearly and completely described below with reference to the embodiments. Obviously, the described embodiments are only some embodiments of this utility model, not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.

[0035] In the description of this utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model.

[0036] In the description of this utility model, it should be understood that the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the stated features. In the description of this utility model, "a plurality of" means two or more, unless otherwise explicitly specified. Furthermore, the terms "installed," "connected," and "linked" should be interpreted broadly; for example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0037] In this embodiment, as Figure 1 and Figure 2 As shown, a vacuum packaging machine includes a packaging machine body 1 and a support bracket 2. A lifting component 3 is installed on the support bracket 2. The lifting component 3 is used to reduce the downward pulling force of the bagged rice on the sealing strip of the packaging machine body 1 when sealing the bagged rice. The lifting component 3 includes a slide rod 31, a support plate 32, a sleeve 33, an elastic element 34, a top rod 35, a placement plate 36, and a driving component 37. The bottom end of the slide rod 31 is fixedly connected to the support bracket 2, the support plate 32 is slidably connected to the slide rod 31, the top end of the sleeve 33 is fixedly connected to the support plate 32, the top rod 35 is inserted into the through groove of the sleeve 33, the elastic element 34 is located in the cavity of the sleeve 33, and the upper and lower ends of the elastic element 34 are fixedly connected to the top rod 35 and the sleeve 33, respectively. The placement plate 36 is fixedly connected to the top end of the top rod 35, and the driving component 37 is used to drive the support plate 32 to move up and down.

[0038] Thus, the bagged rice is placed on the placement plate 36. The placement plate 36 descends, causing the top rod 35 to compress the elastic element 34 in the sleeve 33. The drive element 37 lifts the bagged rice to a suitable position, and the top of the bagged rice is inserted between the sealing strips of the packaging machine body 1. After vacuuming, the volume of the bagged rice shrinks, and the bottom of the bagged rice separates from the placement plate 36. At this time, under the action of the elastic element 34, the placement plate 36 gradually returns to its original position and remains in contact with the bottom of the bagged rice. The placement plate 36 provides load-bearing force to the bagged rice, preventing the bagged rice from separating from the sealing strips of the packaging machine body 1 during the sealing process.

[0039] Furthermore, the main body 1 of the packaging machine is a vertical vacuum packaging machine. The support bracket 2 supports the overall mechanism. The support plate 32 is machined with a through groove that matches the slide bar 31. Four sleeves 33 are provided. The use of the elastic element 34 facilitates the reset of the placement plate 36. The placement plate 36 is used to place bagged rice that needs to be sealed. The top rod 35 connects the placement plate 36 and the sleeves 33.

[0040] In some embodiments, such as Figure 5 As shown, a limiting component 4 is installed on the shelf 36. The limiting component 4 is used to constrain the position of the bagged rice on the shelf 36. The limiting component 4 includes a U-shaped frame 41, a connector 42, a pad 43, and a clamping component 44. The bottom end of the U-shaped frame 41 is fixedly connected to the shelf 36. The pad 43 is arranged parallel to the U-shaped frame 41. The pad 43 is connected to the U-shaped frame 41 through the connector 42. The clamping component 44 is used to press the bagged rice against the shelf.

[0041] Furthermore, the U-shaped frame 41 is vertically set on the top of the shelf 36. By adjusting the distance between the pad 43 and the U-shaped frame 41, it is possible to limit the size of bagged rice of different specifications, thereby preventing the bagged rice from tipping over.

[0042] In some embodiments, such as Figure 5As shown, the connector 42 includes a strip plate 421 and a positioning pin 422. One end of the strip plate 421 is fixedly connected to the U-shaped frame 41, and the other end of the strip plate 421 is inserted into the limiting groove of the pad 43. The strip plate 421 is connected to the pad 43 through the positioning pin 422.

[0043] Furthermore, there are two strip plates 421. A limiting groove adapted to the strip plate 421 is machined in the pad 43. The positioning pin 422 is threaded and fixes the pad 43 to the strip plate 421.

[0044] In some embodiments, such as Figure 5 As shown, the clamping member 44 includes a screw 441, a handwheel 442 and a disc 443. The screw 441 and the U-shaped frame 41 are internally threaded together. The center hole of the disc 443 is fixedly connected to the screw 441. The handwheel 442 is fixedly connected to the end of the screw 441 away from the disc 443.

[0045] Furthermore, the screw 441 is arranged horizontally, and the handwheel 442 and the disc 443 are distributed at both ends of the screw 441. The handwheel 442 is used to rotate the screw 441, and the disc 443 is used to hold the bagged rice.

[0046] In some embodiments, such as Figure 5 As shown, a rubber plate 443a is fixedly connected to the side of the disc 443 away from the screw 441, and stripes are machined on the rubber plate 443a.

[0047] Furthermore, the use of rubber sheet 443a increases the friction between the bagged rice and the rice.

[0048] In some embodiments, such as Figure 4 As shown, the driving component 37 includes a drive shaft 371, a slider 372, a connecting plate 373, and a motor 374. The drive shaft 371 is rotatably connected to the bearing and the support bracket 2. The slider 372 is threadedly connected to the outer periphery of the drive shaft 371. The connecting plate 373 is fixedly connected to the outer periphery of the slider 372. The connecting plate 373 is fixedly connected to the slot of the support plate 32. The output end of the motor 374 is fixedly connected to the top end of the drive shaft 371.

[0049] Furthermore, the drive shaft 371 is installed on one side of the support bracket 2, and the drive shaft 371 and the slide bar 31 are arranged in parallel. The slider 372 drives the support plate 32 to move through the connecting plate 373. The motor 374 is a servo motor to facilitate control of forward and reverse rotation, thereby adjusting the upward or downward movement of the support plate 32.

[0050] In some embodiments, such as Figure 3 As shown, anti-slip components 21 are installed in the support bracket 2;

[0051] The anti-slip component 21 includes a threaded sleeve 211, a threaded rod 212, and a base 213;

[0052] A threaded sleeve 211 is fixedly connected in the bottom limiting hole of the support bracket 2. A threaded rod 212 is threadedly connected in the threaded sleeve 211. A base plate 213 is fixedly connected to the bottom end of the threaded rod 212.

[0053] Furthermore, the threaded sleeve 211 is used to constrain the position of the threaded rod 212. The threaded rod 212 drives the chassis 213 to press against the ground, increasing the friction between the chassis and the ground and preventing the packaging machine body 1 from shifting during use.

[0054] In some embodiments, such as Figure 3 As shown, casters 22 are installed at the four corners of the support bracket 2. The casters 22 are used to adjust the position of the overall mechanism.

[0055] Furthermore, four casters 22 are provided, and the design of the casters 22 facilitates the movement of the entire mechanism.

[0056] In some embodiments, such as Figure 2 and Figure 3 As shown, a rubber tube 321 is fixedly connected to the support plate 32, and the top end of the rubber tube 321 abuts against the shelf 36.

[0057] Furthermore, two rubber tubes 321 are provided. The rubber tubes 321 are hollow and malleable. The design of the rubber tubes 321 facilitates the repositioning of the shelf 36.

[0058] In some embodiments, such as Figure 2 As shown, the elastic element 34 is a compression spring.

[0059] Furthermore, the elastic element 34 adopts a compression spring design, which is beneficial for pushing the top rod 35 to move the shelf 36 upward during the sealing process, so as to always support the bagged rice.

[0060] The working principle of this application is illustrated below with a preferred embodiment:

[0061] The entire mechanism is moved to a suitable position using the four casters 22 at the bottom of the support bracket 2. Then, the threaded rod 212 is rotated in the threaded sleeve 211, causing the base 213 to move downwards and fit tightly against the ground. The bagged rice requiring vacuuming and sealing is then placed on the shelf 36. The shelf 36, under pressure, pushes the top rod 35 downwards in the sleeve 33, which in turn compresses the elastic element 34 within the sleeve 33. The pad 43 then moves along the outer wall of the strip plate 421 to fit against the bagged rice. The positioning pin 422 is used to fix the position of the pad 43 on the strip plate 421. The screw 441 is rotated via the handwheel 442, causing the screw 441 to move the disc 443, thereby moving the rubber on the disc 443. Plate 443a abuts against the side of the bagged rice away from pad 43 to prevent the rice from tipping over. Then, motor 374 is started, and motor 374 drives transmission shaft 371 to rotate. As transmission shaft 371 rotates, it drives slider 372 and connecting plate 373 to move upward. Support plate 32 moves upward along the outer wall of slide rod 31 along with connecting plate 373. Then, the top of bagged rice is inserted into the sealing strip on the packaging machine body 1. When vacuum pump is used to evacuate bagged rice, the volume of bagged rice gradually decreases. At this time, under the elastic potential energy of elastic element 34, push top rod 35 to move upward. Then, the upper surface of placement plate 36 always abuts against the bottom of bagged rice, effectively reducing the downward pulling force of bagged rice on sealing strip on packaging machine body 1.

[0062] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this utility model, and are not intended to limit it. Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some or all of the technical features therein. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of this utility model.

Claims

1. A vacuum packaging machine, comprising a packaging machine body (1) and a support frame (2), characterized in that, A lifting component (3) is installed on the support bracket (2). The lifting component (3) is used to reduce the downward pulling force of the bagged rice on the sealing strip of the packaging machine body (1) when sealing the bagged rice. The lifting assembly (3) includes a slide bar (31), a support plate (32), a sleeve (33), an elastic element (34), a top rod (35), a storage plate (36), and a driving element (37); The bottom end of the slide rod (31) is fixedly connected to the bearing bracket (2), the support plate (32) is slidably connected to the slide rod (31), the top end of the sleeve (33) is fixedly connected to the support plate (32), the top rod (35) is inserted into the through groove of the sleeve (33), the elastic element (34) is located in the cavity of the sleeve (33), the upper and lower ends of the elastic element (34) are fixedly connected to the top rod (35) and the sleeve (33) respectively, the placement plate (36) is fixedly connected to the top end of the top rod (35), and the driving element (37) is used to drive the support plate (32) to move up and down.

2. The vacuum packaging machine according to claim 1, characterized in that, A limiting component (4) is installed on the shelf (36), and the limiting component (4) is used to constrain the position of the bagged rice on the shelf (36); The limiting component (4) includes a U-shaped frame (41), a connector (42), a pad (43), and a clamping component (44); The bottom end of the U-shaped frame (41) is fixedly connected to the shelf (36), the pad (43) is arranged parallel to the U-shaped frame (41), the pad (43) is connected to the U-shaped frame (41) through the connector (42), and the top clamp (44) is used to press the bagged rice tightly.

3. A vacuum packaging machine according to claim 2, characterized in that, The connector (42) includes a strip plate (421) and a locating pin (422); One end of the strip plate (421) is fixedly connected to the U-shaped frame (41), and the other end of the strip plate (421) is inserted into the limiting groove of the pad (43). The strip plate (421) is connected to the pad (43) through the positioning pin (422).

4. A vacuum packaging machine according to claim 2, characterized in that, The clamping member (44) includes a screw (441), a handwheel (442), and a disc (443); The screw (441) and the U-shaped frame (41) are internally threaded together. The center hole of the disc (443) is fixedly connected to the screw (441). The handwheel (442) is fixedly connected to the end of the screw (441) away from the disc (443).

5. A vacuum packaging machine according to claim 4, characterized in that, A rubber plate (443a) is fixedly connected to the side of the disc (443) away from the screw (441), and the rubber plate (443a) is processed with striped patterns.

6. A vacuum packaging machine according to claim 1, characterized in that, The driving component (37) includes a drive shaft (371), a slider (372), a connecting plate (373), and a motor (374); The drive shaft (371) is rotatably connected to the bearing bracket (2) via a bearing. The slider (372) is threadedly connected to the outer periphery of the drive shaft (371). The connecting plate (373) is fixedly connected to the outer periphery of the slider (372). The connecting plate (373) is fixedly connected to the slot of the support plate (32). The output end of the motor (374) is fixedly connected to the top end of the drive shaft (371).

7. A vacuum packaging machine according to claim 1, characterized in that, The support bracket (2) is equipped with anti-slip components (21); The anti-slip component (21) includes a threaded sleeve (211), a threaded rod (212), and a base (213); A threaded sleeve (211) is fixedly connected in the bottom limiting hole of the bearing bracket (2), and a threaded rod (212) is threadedly connected in the threaded sleeve (211). A base plate (213) is fixedly connected to the bottom end of the threaded rod (212).

8. A vacuum packaging machine according to claim 1, characterized in that, The support bracket (2) is equipped with casters (22) at each of its four corners. The casters (22) are used to adjust the position of the overall mechanism.

9. A vacuum packaging machine according to claim 1, characterized in that, A rubber tube (321) is fixedly connected to the support plate (32), and the top end of the rubber tube (321) abuts against the shelf (36).

10. A vacuum packaging machine according to claim 1, characterized in that, The elastic element (34) is a compression spring.

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