Film drawing mechanism of modified atmosphere fresh-keeping packaging machine

Abstract

The utility model relates to the technical field of packaging machines, and discloses a film drawing mechanism of a modified atmosphere fresh-keeping packaging machine, which comprises a main body mechanism and an auxiliary cutting mechanism, the auxiliary cutting mechanism is positioned on the left side above the main body mechanism, and the main body mechanism comprises an equipment main body, a protective baffle, a support frame, a movable circular shaft and a film placing cylinder. According to the film drawing mechanism of the modified atmosphere fresh-keeping packaging machine, through the use of the main body mechanism, a movable circular shaft is placed in a circular groove in the upper end of a supporting frame through the supporting frame at the upper end of a protective baffle when the film drawing mechanism is used, a film is arranged at the outer end of a film placing barrel in a sleeving mode, and then the film placing barrel is placed at the outer end of the movable circular shaft; the fixing bottom plate is fixedly connected through the connecting bottom plate, the pressing roller on the inner side of the fixing bottom plate is used for pressing a film, the fixing bottom plate moves up and down by rotating the movable knob at the upper end of the connecting bottom plate, the sliding connecting plate slides up and down on the inner side of the sliding groove to adjust the position, and the pressing tightness of the film can be adjusted; and the use is more convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of packaging machines, in particular to a film pulling mechanism for a modified atmosphere fresh-keeping packaging machine. Background Art

[0002] Modified atmosphere packaging is a new food preservation technology that uses a protective mixed gas (usually CO2, N2, O2) to replace the air in the package. It uses the different effects of various protective gases to inhibit the growth and reproduction of most microorganisms that cause food spoilage, and reduces the respiration rate of active foods (fruits, vegetables and other plant foods), thereby preserving food freshness and extending its shelf life.

[0003] The prior art CN220905438U patent proposes a modified atmosphere fresh-keeping packaging machine, which includes a base, a fresh-keeping bag and nitrogen. A bottom plate is embedded and installed on one side of the top surface of the base, and spherical grooves are evenly arranged on the top surface of the bottom plate. An edge sealing clamp is installed around the outer side of the top surface of the bottom plate. A support plate is fixedly installed on one side of the top surface of the base, and one end of the support plate away from the base extends to just above the bottom plate. A heat sealing device is fixedly installed on the support plate, and an inflation device is installed on the top surface of the base. The beneficial effects of the utility model are: the air inside the fresh-keeping bag is evacuated by the inflation device, and nitrogen is filled in, and then the fresh-keeping bag is heat-sealed into a separate spherical air bag by the heat-sealing device, and the fruit is sealed separately in the spherical air bag, so as to achieve the effect of preventing the fruits in the bag from easily bumping against each other during transportation, slowing down the deterioration rate of the fruit, and extending the fresh-keeping time of the modified atmosphere packaging.

[0004] The existing film-pulling mechanism of the modified atmosphere fresh-keeping packaging machine is not convenient for pressing the film to make the process more stable when pulling the film, which makes the practicability of the equipment low. Utility Model Content

[0005] The utility model aims to provide a film-drawing mechanism for a modified atmosphere fresh-keeping packaging machine, so as to solve the problem in the background technology that it is inconvenient to press the film during use to make the process more stable when drawing the film, which makes the practicability of the equipment low.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a film-pulling mechanism of a modified atmosphere fresh-keeping packaging machine, comprising a main mechanism and an auxiliary cutting mechanism, wherein the auxiliary cutting mechanism is located on the left side above the main mechanism, and the main mechanism comprises an equipment body, a protective baffle, a support frame, a movable circular shaft and a film-releasing cylinder, wherein the protective baffle is evenly distributed on the left and right sides of the upper end of the equipment body, the support frame is evenly distributed on the right side of the upper end of the protective baffle, the movable circular shaft is movably installed on the upper end of the support frame, and the film-releasing cylinder is movably installed on the outer end of the movable circular shaft.

[0007] Preferably, the main body mechanism also includes a sliding groove, a sliding connecting plate and a fixed bottom plate, the sliding groove is fixedly arranged in the middle of the protective baffle, the sliding connecting plate is slidably connected to the inner side of the sliding groove, and the fixed bottom plate is fixedly installed on the left end of the sliding connecting plate.

[0008] Preferably, the main body structure also includes a connecting base plate, a movable knob and a pressing roller, the connecting base plate is fixedly mounted on the upper end of the fixed base plate, the movable knob is movably mounted on the upper end of the connecting base plate, and the pressing roller is movably mounted in the middle of the left end of the fixed base plate.

[0009] Preferably, the auxiliary cutting mechanism includes a mounting frame, a supporting frame, a placement slot, a slider, a connecting handle, an electric push rod, a push rod, a cutting knife, a fixed base, a load-bearing plate, a universal wheel and a movable door. The mounting frame is fixedly installed on the left side of the upper end of the protective baffle, the supporting frame is fixedly installed on the upper end of the mounting frame, and the placement slot is fixedly arranged in the middle of the inner side of the supporting frame.

[0010] Preferably, the slider is slidably connected to the inner side of the placement groove, the connecting handle is fixedly installed on the upper end of the slider, and the electric push rod is fixedly installed on the lower end of the slider.

[0011] Preferably, the push rod is movably mounted on the lower end of the electric push rod, the cutting knife is fixedly mounted on the lower end of the push rod, and the fixed base is fixedly mounted below the cutting knife.

[0012] Preferably, the load-bearing plate is fixedly mounted on the lower end of the equipment body, the universal wheels are evenly distributed on the lower end of the load-bearing plate, and the movable door is movably mounted on the front end of the equipment body.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] 1. The film pulling mechanism of the modified atmosphere fresh-keeping packaging machine, through the use of the main mechanism, allows the support frame at the upper end of the protective baffle to place its movable circular shaft in the circular groove at the upper end of the support frame when in use, by sleeve the film on the outer end of the film placing cylinder, and then place the film placing cylinder on the outer end of the movable circular shaft, and connect the fixed bottom plate through the connecting bottom plate, and press the film through the pressing roller on the inner side of the fixed bottom plate, and rotate the movable knob on the upper end of the connecting bottom plate to move the fixed bottom plate up and down, so that the sliding connecting plate slides up and down inside the sliding groove to adjust the position, so that the tightness of pressing the film can be adjusted, making it more convenient to use;

[0015] 2. The film pulling mechanism of the modified atmosphere fresh-keeping packaging machine uses an auxiliary cutting mechanism so that its carrier frame is fixed by a mounting frame when in use, and the slider can slide left and right inside the carrier frame through the placement groove on the inner side of the carrier frame, and the position of the slider is adjusted by grasping the connecting handle, and the push rod is driven by the operation of the electric push rod to adjust the position up and down, and the film is cut by the cutting knife. The film is placed on the top through the fixed base for more convenient cutting, and the film is pulled out by the pressing roller and placed on the fixed base, and the push rod is driven by the operation of the electric push rod to move downward and placed on the film, and the film is cut and separated by the cutting knife by sliding the slider to the right or left, and the equipment is moved by the universal wheel at the lower end of the load-bearing plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0017] Figure 2 This is a schematic diagram of the detailed structure of the film-releasing cylinder of the utility model;

[0018] Figure 3 This is a schematic diagram of the detailed structure of the pressing roller of the utility model;

[0019] Figure 4 It is a schematic diagram of the detailed structure of the load-bearing frame of the utility model.

[0020] In the figure: 1. Main mechanism; 101. Equipment body; 102. Protective baffle; 103. Support frame; 104. Movable circular shaft; 105. Film placing cylinder; 106. Sliding groove; 107. Sliding connecting plate; 108. Fixed bottom plate; 109. Connecting bottom plate; 110. Movable knob; 111. Pressing roller; 2. Auxiliary cutting mechanism; 201. Mounting frame; 202. Carrying frame; 203. Placement groove; 204. Slider; 205. Connecting handle; 206. Electric push rod; 207. Push rod; 208. Cutting knife; 209. Fixed base; 210. Load-bearing plate; 211. Universal wheel; 212. Movable door. DETAILED DESCRIPTION

[0021] 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.

[0022] See also Figure 1-Figure 4The utility model provides a technical solution: a film pulling mechanism of a modified atmosphere fresh-keeping packaging machine, comprising a main mechanism 1 and an auxiliary cutting mechanism 2, the auxiliary cutting mechanism 2 is located on the left side above the main mechanism 1, the main mechanism 1 comprises an equipment body 101, a protective baffle 102, a support frame 103, a movable circular shaft 104 and a film placing cylinder 105, the protective baffle 102 is evenly distributed on the left and right sides of the upper end of the equipment body 101, the support frame 103 is evenly distributed on the right side of the upper end of the protective baffle 102, the movable circular shaft 104 is movably installed on the upper end of the support frame 103, and the film placing cylinder 105 is movably installed on the outer end of the movable circular shaft 104.

[0023] The main body mechanism 1 also includes a sliding groove 106, a sliding connecting plate 107 and a fixed bottom plate 108. The sliding groove 106 is fixedly arranged in the middle of the protective baffle 102, the sliding connecting plate 107 is slidably connected to the inner side of the sliding groove 106, and the fixed bottom plate 108 is fixedly installed at the left end of the sliding connecting plate 107. The main body mechanism 1 also includes a connecting bottom plate 109, a movable knob 110 and a pressing roller 111. The connecting bottom plate 109 is fixedly installed at the upper end of the fixed bottom plate 108, the movable knob 110 is movably installed at the upper end of the connecting bottom plate 109, and the pressing roller 111 is movably installed in the middle of the left end of the fixed bottom plate 108.

[0024] The auxiliary cutting mechanism 2 includes a mounting frame 201, a carrier frame 202, a placement slot 203, a slider 204, a connecting handle 205, an electric push rod 206, a push rod 207, a cutting knife 208, a fixed base 209, a load-bearing plate 210, a universal wheel 211 and a movable door 212. The mounting frame 201 is fixedly mounted on the left side of the upper end of the protective baffle 102, the carrier frame 202 is fixedly mounted on the upper end of the mounting frame 201, the placement slot 203 is fixedly arranged in the middle of the inner side of the carrier frame 202, and the slider 204 is slidably connected to the placement slot 203. 03, the connecting handle 205 is fixedly mounted on the upper end of the slider 204, the electric push rod 206 is fixedly mounted on the lower end of the slider 204, the pushing rod 207 is movably mounted on the lower end of the electric push rod 206, the cutting knife 208 is fixedly mounted on the lower end of the pushing rod 207, the fixed base 209 is fixedly mounted below the cutting knife 208, the load-bearing plate 210 is fixedly mounted on the lower end of the equipment body 101, the universal wheels 211 are evenly distributed on the lower end of the load-bearing plate 210, and the movable door 212 is movably mounted on the front end of the equipment body 101.

[0025] Working principle: When the film pulling mechanism of the modified atmosphere fresh-keeping packaging machine is needed, the movable circular shaft 104 is placed in the circular groove at the upper end of the support frame 103 through the support frame 103 at the upper end of the protective baffle 102, and the film is put on the outer end of the film placing cylinder 105, and then the film placing cylinder 105 is placed on the outer end of the movable circular shaft 104, and the fixed bottom plate 108 is fixedly connected through the connecting bottom plate 109, and the film is pressed by the pressing roller 111 on the inner side of the fixed bottom plate 108, and the fixed bottom plate 108 is moved up and down by rotating the movable knob 110 on the upper end of the connecting bottom plate 109, and the sliding connecting plate 107 slides up and down inside the sliding groove 106 to adjust the position, and the supporting frame 202 is fixed by the mounting frame 201, and then the film is pressed by the pressing roller 111 on the inner side of the fixed bottom plate 108. The placement groove 203 on the inner side of the carrier 202 allows the slider 204 to slide left and right on the inner side thereof, and the position of the slider 204 is adjusted by grasping the connecting handle 205. The operation of the electric push rod 206 drives the push rod 207 to adjust the position up and down, and the film is cut by the cutting knife 208. The film is placed on the top by the fixed base 209 for more convenient cutting. The film is pulled out by the pressing roller 111 and placed on the fixed base 209. The operation of the electric push rod 206 drives the push rod 207 to move downward and place it on the film. The slider 204 slides to the right or left to cut the film through the cutting knife 208, and the equipment is moved by the universal wheel 211 at the lower end of the load-bearing plate 210.

[0026] Finally, it should be noted that the above content is only used to illustrate the technical solution of the utility model, rather than to limit the protection scope of the utility model. Simple modifications or equivalent substitutions of the technical solution of the utility model by ordinary technicians in this field do not deviate from the essence and scope of the technical solution of the utility model.

Claims

1. A film-pulling mechanism for a modified atmosphere fresh-keeping packaging machine, comprising a main mechanism (1) and an auxiliary cutting mechanism (2), characterized in that: The auxiliary cutting mechanism (2) is located on the left side above the main mechanism (1); the main mechanism (1) comprises an equipment body (101), a protective baffle (102), a support frame (103), a movable circular shaft (104) and a film placing cylinder (105); the protective baffle (102) is evenly distributed on the left and right sides of the upper end of the equipment body (101); the support frame (103) is evenly distributed on the right side of the upper end of the protective baffle (102); the movable circular shaft (104) is movably mounted on the upper end of the support frame (103); and the film placing cylinder (105) is movably mounted on the outer end of the movable circular shaft (104).

2. The film-pulling mechanism of the modified atmosphere fresh-keeping packaging machine according to claim 1, characterized in that: The main body mechanism (1) further comprises a sliding groove (106), a sliding connection plate (107) and a fixed bottom plate (108); the sliding groove (106) is fixedly arranged in the middle of the protective baffle (102); the sliding connection plate (107) is slidably connected to the inner side of the sliding groove (106); and the fixed bottom plate (108) is fixedly mounted on the left end of the sliding connection plate (107).

3. The film-pulling mechanism of the modified atmosphere fresh-keeping packaging machine according to claim 2, characterized in that: The main body mechanism (1) further comprises a connecting base plate (109), a movable knob (110) and a pressing roller (111); the connecting base plate (109) is fixedly mounted on the upper end of the fixed base plate (108); the movable knob (110) is movably mounted on the upper end of the connecting base plate (109); and the pressing roller (111) is movably mounted in the middle of the left end of the fixed base plate (108).

4. The film-pulling mechanism of the modified atmosphere fresh-keeping packaging machine according to claim 3, characterized in that: The auxiliary cutting mechanism (2) comprises a mounting frame (201), a bearing frame (202), a placement slot (203), a slider (204), a connecting handle (205), an electric push rod (206), a push rod (207), a cutting knife (208), a fixed base (209), a load-bearing plate (210), a universal wheel (211) and a movable door (212); the mounting frame (201) is fixedly mounted on the left side of the upper end of the protective baffle (102); the bearing frame (202) is fixedly mounted on the upper end of the mounting frame (201); and the placement slot (203) is fixedly arranged in the middle of the inner side of the bearing frame (202).

5. The film-pulling mechanism of the modified atmosphere fresh-keeping packaging machine according to claim 4, characterized in that: The slider (204) is slidably connected to the inner side of the placement groove (203), the connecting handle (205) is fixedly mounted on the upper end of the slider (204), and the electric push rod (206) is fixedly mounted on the lower end of the slider (204).

6. The film-pulling mechanism of the modified atmosphere fresh-keeping packaging machine according to claim 5, characterized in that: The push rod (207) is movably mounted on the lower end of the electric push rod (206), the cutting knife (208) is fixedly mounted on the lower end of the push rod (207), and the fixed base (209) is fixedly mounted below the cutting knife (208).

7. The film-pulling mechanism of the modified atmosphere fresh-keeping packaging machine according to claim 6, characterized in that: The load-bearing plate (210) is fixedly mounted on the lower end of the equipment body (101), the universal wheels (211) are evenly distributed on the lower end of the load-bearing plate (210), and the movable door (212) is movably mounted on the front end of the equipment body (101).

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