Vacuum packaging machine

Abstract

The utility model belongs to the technical field of vacuum packaging machines, and particularly relates to a vacuum packaging machine which comprises a machine body, a cover is hinged to the upper end of the machine body, mounting frames are in contact with the upper end of the machine body, the interiors of the two mounting frames are connected with mounting bases through bearings, and rollers are slidably connected to the outer sides of the mounting bases in a sleeved mode. Guide rollers are rotatably connected to the mounting frame, the two guide rollers are in contact with each other, a connecting plate is fixedly connected to the lower end of the outer side of the mounting frame, the connecting plate is in contact with the machine body, and a sliding block is fixedly connected to the lower end of the connecting plate. Through the arrangement of the threaded rod, the connecting block, the mounting seat and other parts, the threaded rod can be rotated to drive the mounting seat to move, so that the mounting seat slides out of the roller, the limitation on the roller can be relieved, the roller can be disassembled and replaced, and the problem that the roller is inconvenient to disassemble and replace when the vacuum packaging machine is used is solved.

Description

Technical Field

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

[0002] A vacuum packaging machine is a device used to vacuum seal and package items such as food, medicine, and electronic products. It creates a vacuum environment by extracting air from the packaging bag, effectively extending the shelf life of food and protecting the quality of the product. According to the utility model with patent authorization announcement number CN203127179U, a vacuum packaging machine is disclosed, including a workbench, a vacuum cover located above the workbench, and a heating strip fixed on the workbench, and also includes a lifting cylinder distributed on both sides of the workbench and a lifting piston matched with the lifting cylinder, and also includes two movable guide rails distributed on both sides of the workbench and a movable bracket matched with the movable guide rail, the upper end of the lifting piston is fixedly connected to the edge of the vacuum cover, the lifting cylinder is vertically fixed on the movable bracket, and the movable guide rail is fixed to the lower side of the workbench and extends horizontally to both ends. The vacuum packaging machine of the utility model can improve work efficiency, easy operation, and is suitable for long sealing. However, when the vacuum packaging machine is used, it is inconvenient to disassemble and replace the roller. Utility Model Content

[0003] The utility model aims to provide a vacuum packaging machine, which solves the problem that it is inconvenient to disassemble and replace the roller when the vacuum packaging machine is used.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a vacuum packaging machine comprises a body, the upper end of the body is hinged with a cover, the upper end of the body contacts with a mounting frame, the insides of the two mounting frames are connected to mounting seats through bearings, the outer sides of the mounting seats are slidably sleeved with rollers, the mounting frame is rotatably connected with guide rollers, the two guide rollers contact each other, the outer lower end of the mounting frame is fixedly connected with a connecting plate, the connecting plate contacts the body, the lower end of the connecting plate is fixedly connected with a sliding block, the lower end of the sliding block is fixedly connected with a connecting block, the connecting block is slidably connected with the body, the inside of the body is rotatably connected with a threaded rod, the outside of the threaded rod is fixedly connected with a knob, the knob contacts the body, the back side of the body is fixedly connected with the mounting block, the inside of the mounting block is slidably connected with a sliding rod, and the end of the sliding rod away from the mounting block is fixedly connected with a limiting frame.

[0005] Preferably, the slider is slidably connected to the body, a guide rod is fixedly connected to the inside of the body, and the guide rod is slidably sleeved with the slider. The design of the guide rod can limit the slider.

[0006] Preferably, the outer side of the threaded rod is provided with positive and negative threads, and the threaded rod is connected to the connecting block through threads. Through the design of the threaded rod, the two connecting blocks can be driven to move at the same time.

[0007] Preferably, a baffle is fixedly connected to the outer side of the threaded rod, and the baffle is in contact with the machine body. The design of the baffle can limit the threaded rod.

[0008] Preferably, a guide block is fixedly connected to the outer side of the slide rod, and the guide block is slidably connected to the mounting block. A limit rod is fixedly connected to the inside of the mounting block, and the limit rod is slidably connected to the slide rod. A spring is arranged on the outer side of the limit rod, one end of the spring is in contact with the slide rod, and the other end of the spring is in contact with the mounting block. Through the design of the spring, the limit frame can be driven to be sleeved with the knob.

[0009] Preferably, the limiting frame is sleeved with the knob, and the limiting frame is in contact with the machine body. The limiting frame can limit the knob through its design.

[0010] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0011] 1. The utility model is provided with components such as a threaded rod, a connecting block, and a mounting seat. The threaded rod can be rotated to drive the mounting seat to move, so that the mounting seat slides out of the roller, thereby releasing the limit on the roller and allowing the roller to be disassembled and replaced, thereby solving the problem of inconvenient disassembly and replacement of the roller when the vacuum packaging machine is used.

[0012] 2. The utility model is provided with components such as a mounting block, a spring, and a limit frame, so that the spring can drive the limit frame to be sleeved with the knob, so that the limit frame can limit the knob, thereby keeping the threaded rod stable, that is, the roller can be easily disassembled and installed and can remain stable during use. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a three-dimensional diagram of the overall structure of the utility model;

[0014] Figure 2 For the utility model Figure 1 Rear view of

[0015] Figure 3 For the utility model Figure 1 A side cross-sectional view of

[0016] Figure 4 For the utility model Figure 1 A rear cross-sectional view of

[0017] Figure 5 For the utility model Figure 3 A magnified view of the structure of part A;

[0018] Figure 6 For the utility model Figure 4 Enlarged view of the structure of part B.

[0019] In the figure: 1. body; 11. cover; 2. mounting frame; 21. mounting seat; 22. roller; 23. guide roller; 24. connecting plate; 25. slider; 26. guide rod; 27. connecting block; 3. threaded rod; 31. baffle; 32. knob; 4. mounting block; 41. slide rod; 42. guide block; 43. limit rod; 44. spring; 45. limit frame. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] See also Figure 1-6 A vacuum packaging machine includes a body 1, a cover 11 is hinged on the upper end of the body 1, a mounting frame 2 is contacted on the upper end of the body 1, the insides of the two mounting frames 2 are connected with mounting seats 21 through bearings, a roller 22 is slidably sleeved on the outer side of the mounting seat 21, a guide roller 23 is rotatably connected to the mounting frame 2, the two guide rollers 23 are in contact with each other, a connecting plate 24 is fixedly connected to the lower end of the outer side of the mounting frame 2, the connecting plate 24 is in contact with the body 1, a slider 25 is fixedly connected to the lower end of the connecting plate 24, and the slider 25 is slidably connected to the body 1.

[0022] See also Figure 2-6 The body 1 is fixedly connected with a guide rod 26 inside, and the guide rod 26 is slidably sleeved with the slider 25. Through the design of the guide rod 26, the slider 25 can be limited. The lower end of the slider 25 is fixedly connected with a connecting block 27, and the connecting block 27 is slidably connected with the body 1. The body 1 is rotatably connected with a threaded rod 3 inside, and the outer side of the threaded rod 3 is provided with positive and negative threads. The threaded rod 3 is threadedly connected to the connecting block 27. Through the design of the threaded rod 3, the two connecting blocks 27 can be driven to move at the same time. The outer side of the threaded rod 3 is fixedly connected with a baffle 31, and the baffle 31 contacts with the body 1. Through the design of the baffle 31, the threaded rod 3 can be limited. The outer side of the threaded rod 3 is fixedly connected with a knob 32, and the knob 32 contacts with the body 1. The back of the body 1 is fixedly connected with a mounting block 4, and the interior of the mounting block 4 is slidably connected with a slide rod 41, and the end of the slide rod 41 away from the mounting block 4 is fixedly connected to a limiting frame 45.

[0023] See also Figure 2-6A guide block 42 is fixedly connected to the outer side of the slide rod 41, and the guide block 42 is slidably connected to the mounting block 4. A limit rod 43 is fixedly connected to the inside of the mounting block 4, and the limit rod 43 is slidably connected to the slide rod 41. A spring 44 is arranged on the outer side of the limit rod 43, and one end of the spring 44 contacts the slide rod 41, and the other end of the spring 44 contacts the mounting block 4. Through the design of the spring 44, the limit frame 45 can be driven to be sleeved with the knob 32, and the limit frame 45 is sleeved with the knob 32, and the limit frame 45 contacts the body 1. Through the design of the limit frame 45, the knob 32 can be limited.

[0024] The specific implementation process of the utility model is as follows: when in use, by moving the limit frame 45 in the direction away from the knob 32, the limit frame 45 drives the slide bar 41 to slide in the mounting block 4, and the slide bar 41 slides on the limit rod 43, so that the slide bar 41 squeezes the spring 44, and at the same time, the limit frame 45 slides down from the knob 32, so that the limit on the knob 32 can be released, and then the knob 32 is rotated to make the knob 32 drive the threaded rod 3 to rotate, so that the threaded rod 3 and the connecting block 27 undergo threaded motion, so that the connecting block 27 moves on the threaded rod 3, so that the connecting block 27 drives the slider 25 to slide on the guide rod 26, so that the slider 25 drives the connecting plate 24 to move, so that the connecting plate 24 drives the mounting frame 2 to move, so that the mounting frame 2 drives the mounting seat 21 to move, so that the mounting seat 21 slides out of the roller 22, so that the limit on the roller 22 can be released, and the roller 22 can be disassembled and replaced.

[0025] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A vacuum packaging machine, comprising a machine body (1), characterized in that: The upper end of the machine body (1) is hingedly connected with a cover (11), the upper end of the machine body (1) contacts with a mounting frame (2), the interiors of the two mounting frames (2) are connected with mounting seats (21) via bearings, the outer sides of the mounting seats (21) are slidably sleeved with rollers (22), the mounting frames (2) are rotatably connected with guide rollers (23), the two guide rollers (23) are in contact with each other, the lower ends of the outer sides of the mounting frames (2) are fixedly connected with a connecting plate (24), the connecting plate (24) contacts with the machine body (1), and the lower ends of the connecting plates (24) are fixedly connected with A slider (25), the lower end of the slider (25) is fixedly connected to a connecting block (27), the connecting block (27) is slidably connected to the body (1), the body (1) is internally rotatably connected to a threaded rod (3), the outer side of the threaded rod (3) is fixedly connected to a knob (32), the knob (32) is in contact with the body (1), the back side of the body (1) is fixedly connected to a mounting block (4), the mounting block (4) is internally slidably connected to a sliding rod (41), and one end of the sliding rod (41) away from the mounting block (4) is fixedly connected to a limiting frame (45).

2. A vacuum packaging machine according to claim 1, characterized in that: The slide block (25) is slidably connected to the machine body (1); a guide rod (26) is fixedly connected inside the machine body (1); and the guide rod (26) is slidably sleeved with the slide block (25).

3. A vacuum packaging machine according to claim 1, characterized in that: The outer side of the threaded rod (3) is provided with positive and negative threads, and the threaded rod (3) is connected to the connecting block (27) via threads.

4. A vacuum packaging machine according to claim 1, characterized in that: A baffle (31) is fixedly connected to the outer side of the threaded rod (3), and the baffle (31) is in contact with the machine body (1).

5. A vacuum packaging machine according to claim 1, characterized in that: The outer side of the slide bar (41) is fixedly connected with a guide block (42), the guide block (42) is slidably connected with the mounting block (4), the interior of the mounting block (4) is fixedly connected with a limit rod (43), the limit rod (43) is slidably connected with the slide bar (41), a spring (44) is arranged on the outer side of the limit rod (43), one end of the spring (44) is in contact with the slide bar (41), and the other end of the spring (44) is in contact with the mounting block (4).

6. A vacuum packaging machine according to claim 1, characterized in that: The limiting frame (45) is sleeved with the knob (32), and the limiting frame (45) is in contact with the machine body (1).

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