Automatic film breaking structure based on pulling-resistant film frame belt
The electromagnet-driven cutting structure solves the problems of high energy consumption, smoke and odor, and manual operation in existing stretch wrap packaging, achieving low-energy, environmentally friendly automated film cutting and improving production efficiency.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-17
- Publication Date
- 2026-03-27
AI Technical Summary
The current stretch wrap packaging cutting process is energy-intensive, generates smoke and odor, is not environmentally friendly, and requires manual operation, resulting in low efficiency.
The cutting structure is driven by an electromagnet. By energizing the electromagnet, the cutting blade is moved to achieve cold cutting, which reduces energy consumption, avoids the generation of smoke and odor, and realizes automated cutting.
It achieves low-energy, smokeless, and odorless automatic film cutting, saving manpower, improving production efficiency, and realizing automated operation.
Smart Images
Figure CN224045664U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to winding package technical field especially, relates to a kind of automatic film cutting structure based on resistance to pull film frame belt. BACKGROUND
[0002] Stretch wrapping is a packaging method that uses the deformation stress created by forcibly stretching a film with a mechanical stretching device or by hand to wrap goods tightly for transportation and storage at room temperature. This packaging form is widely used in single-piece or pallet packaging of chemical raw materials, chemical fertilizers, food, mechanical and electrical products, light textile products and other bundling packaging.
[0003] The existing stretch wrapping realizes film cutting by continuously heating, manual film cutting, in addition, film cutting has high energy consumption, produces smoke and peculiar smell, and is not environmentally friendly. Therefore, it is necessary to design an automatic film cutting mechanism based on resistance to pull film frame belt, which has low energy consumption, reduces energy consumption during film cutting, does not produce smoke and peculiar smell, ensures environmental protection, saves manpower, improves production efficiency and realizes automation. SUMMARY
[0004] The utility model provides the following technical scheme in view of the deficiencies existing in the prior art.
[0005] An automatic film cutting structure based on resistance to pull film frame belt includes a bottom plate, a support is fixedly installed above the bottom plate, a top plate is arranged above the support, a base is arranged above one side of the bottom plate, a support rod is fixedly installed in the middle of the base, a limiting cover is arranged at the top end of the support rod, and a film reel is arranged outside the support rod. The bottom plate is provided with a first film outlet roller on one side above the bottom plate, a third film outlet roller is arranged on the side of the first film outlet roller, and a film cutting assembly is arranged behind the first film outlet roller. The film cutting assembly includes an outer cutter holder, an inner cutter holder is arranged on one side of the outer cutter holder, the outer cutter holder is fixed on the bottom plate through a first fixing bolt, an electromagnet is fixedly installed inside the outer cutter holder, a cutter holder rotating shaft is rotatably arranged above the electromagnet, the cutter holder rotating shaft is installed through a cutter holder bolt, a cutter is rotatably installed on the cutter holder rotating shaft, the electromagnet is directly below the cutter, and a reset mechanism for the cutter is arranged inside the outer cutter holder.
[0006] As an improvement of the above technical scheme, a first fixing plate is installed on one side of the support, the first fixing plate is fixed through a second fixing bolt, a second fixing plate is arranged on the other side of the support, the second fixing plate is fixed on the fixed L-shaped frame through welding, and one side of the support is designed as a groove.
[0007] As the improvement of the above technical scheme, the first film outlet roller side is provided with a third film outlet roller, the outer cutter holder and the inner cutter holder form a cutter film cutting port, and the second film outlet roller is arranged at the cutter film cutting port.
[0008] As the improvement of the above technical scheme, the fixed L-shaped bracket is in L-shaped structure, and the fixed L-shaped bracket is internally hollow.
[0009] As the improvement of the above technical scheme, the supporting rod is in the same horizontal line with the first film outlet roller.
[0010] As the improvement of the above technical scheme, the reset mechanism comprises a fixed part fixedly arranged at the top end of the outer cutter holder, a connecting part arranged below the fixed part, and a spring fixedly arranged between the connecting part and the fixed part.
[0011] The utility model discloses a cold knife film cutting device, including the bottom plate, the bottom plate upper surface is provided with the outer cutter holder, the outer cutter holder one side is provided with the inner cutter holder, the outer cutter holder is fixed on the bottom plate through the first fixed bolt, the outer cutter holder is provided with the electromagnet in, the electromagnet top is rotatably provided with the cutter holder pivot, the cutter holder pivot is installed through the cutter holder bolt, the cutter holder pivot is rotatably installed with the cutter, the top of electromagnet is connected with the cutter, makes electromagnet drive cutter movement after electrification, thereby realizes cold knife film cutting, reduces energy consumption, and the smoke and the peculiar smell are free, guarantees environmental protection, saves manpower again, improves production efficiency, realizes automation. BRIEF DESCRIPTION OF DRAWINGS
[0012] Figure 1 It is the three -dimensional structure diagram of the utility model;
[0013] Figure 2 It is the three -dimensional structure diagram of the utility model; Figure 1 It is the three -dimensional structure diagram of the utility model;
[0014] Figure 3 It is the three -dimensional structure diagram of the utility model;
[0015] Figure 4 It is the three -dimensional structure diagram of the utility model;
[0016] Figure 5 It is the three -dimensional structure diagram of the utility model;
[0017] Reference: 1, bottom plate; 2, base; 3, film reel; 4, support rod; 5, limit cover; 6, top plate; 7, first film outlet roller; 8, second film outlet roller; 9, external cutter holder; 10, first fixing bolt; 11, cutter holder bolt; 12, cutter holder shaft; 13, cutter; 131, connecting piece; 132, rotating shaft; 133, fixing piece; 134, spring; 14, electromagnet; 15, support; 16, internal cutter holder; 17, fixed L bracket; 18, first fixed plate; 19, cutter film cutting port; 20, third film outlet roller; 21, second fixing bolt; 22, second fixed plate. DETAILED DESCRIPTION
[0018] In order to make the purpose, technical scheme and advantages of the utility model more clear and obvious, the utility model is further described in detail below. It should be understood that the specific embodiments described herein are only used to explain the utility model and not used to limit the utility model.
[0019] Please refer to Figures 1-5 Winding package, the utility model provides a technical scheme: an automatic film breaking structure based on resistance film frame belt, including bottom plate 1, the bottom plate 1 top is fixedly installed with support 15, the support 15 top is provided with top plate 6, the bottom plate 1 one side top is provided with base 2, the base 2 middle is fixedly installed with support rod 4, the support rod 4 top is provided with limit cover 5, and the support rod 4 outer side is provided with film reel 3;
[0020] The bottom plate 1 top side is provided with first film outlet roller 7, and the side of the first film outlet roller 7 is provided with third film outlet roller 20, and the rear of the first film outlet roller 7 is provided with film breaking assembly.
[0021] The film breaking assembly includes external cutter holder 9, and the one side of the external cutter holder 9 is provided with internal cutter holder 16, and the external cutter holder 9 is fixed on the bottom plate 1 through first fixing bolt 10, and the electromagnet 14 is fixedly installed in the internal cutter holder 9, and the cutter holder shaft 12 is rotatably arranged above the electromagnet 14, and the cutter holder shaft 12 is installed through cutter holder bolt 11, and the cutter 13 is rotatably installed on the cutter holder shaft 12, and the electromagnet 14 is located directly below the cutter 13, and the internal cutter holder 9 is provided with reset mechanism for the cutter 13.
[0022] In the embodiment, the outer cutting knife holder 9 is fixed on the bottom plate 1 through the first fixing bolt 10, the electromagnet 14 is arranged inside the outer cutting knife holder 9, the knife holder rotating shaft 12 is rotatably arranged above the electromagnet 14, the knife holder rotating shaft 12 is installed through the knife holder bolt 11, the cutting knife 13 is rotatably installed on the knife holder rotating shaft 12, the top end of the electromagnet 14 is connected with the cutting knife 13, so that the cutting knife 13 is driven to move after the electromagnet 14 is electrified, thereby realizing cold knife film cutting, reducing energy consumption, being smokeless and odorless, ensuring environmental protection, saving manpower, improving production efficiency, and realizing automation.
[0023] Specifically, the first fixing plate 18 is installed on one side of the support 15, the first fixing plate 18 is fixed through the second fixing bolt 21, the second fixing plate 22 is arranged on the other side of the support 15, and the second fixing plate 22 is fixed on the fixed L-shaped frame 17 through welding.
[0024] In the embodiment, the first fixing plate 18 is installed on one side of the support 15, the first fixing plate 18 is fixed through the second fixing bolt 21, the second fixing plate 22 is arranged on the other side of the support 15, and the second fixing plate 22 is fixed on the fixed L-shaped frame 17 through welding, so that the stability of the equipment is ensured during operation, the safety is improved, and the support stability of the support 15 is improved through the groove design on one side of the support 15.
[0025] Specifically, the third film outlet roller 20 is arranged on the side of the first film outlet roller 7, the cutting knife film cutting port 19 is formed between the outer cutting knife holder 9 and the inner cutting knife holder 16, and the second film outlet roller 8 is arranged at the cutting knife film cutting port 19.
[0026] In the embodiment, the third film outlet roller 20 is arranged on the side of the first film outlet roller 7, the cutting knife film cutting port 19 is formed between the outer cutting knife holder 9 and the inner cutting knife holder 16, and the second film outlet roller 8 is arranged at the cutting knife film cutting port 19, so that the film outlet is smooth, the film cutting is convenient and fast, and the efficiency is improved.
[0027] Specifically, the fixed L-shaped frame 17 is an L-shaped structure, which is adapted to the support 15, and the inside of the fixed L-shaped frame 17 is in a hollow state.
[0028] In the embodiment, the fixed L-shaped frame 17 is an L-shaped structure, which is adapted to the support 15, and the inside of the fixed L-shaped frame 17 is in a hollow state, so that the stability of the fixed L-shaped frame 17 is improved, and the stability of the equipment is ensured.
[0029] Specifically, the support rod 4 is on the same horizontal line as the first film outlet roller 7.
[0030] In the embodiment, the support rod 4 is on the same horizontal line as the first film outlet roller 7, so that the film outlet is smooth when the equipment is used, and the probability of film jamming is reduced.
[0031] Specifically, the reset mechanism comprises a fixing member 133 fixedly installed at the inner top end of the outer cutter holder 9, a connecting member 131 arranged right below the fixing member 133, the lower end of the connecting member 131 being rotationally connected with the middle position of the cutter 13 through a rotating shaft 132, a spring 134 fixedly installed between the connecting member 131 and the fixing member 133, the spring 134 being a non-metal member, and strip-shaped magnet blocks embedded on both sides of the cutter 13.
[0032] In the embodiment, when the electromagnet 14 is powered on, the electromagnet 14 has magnetic force, under the action of the cutter 13 itself and the strip-shaped magnet blocks arranged on both sides of the cutter 13, the cutter 13 can be driven to move downward, at this time, the spring 134 between the connecting member 131 and the fixing member 133 is in a stretched state, so as to cut the winding film, after the cutting work is completed, the electromagnet 14 is powered off, the magnetic force disappears, the pulling force on the spring 134 disappears, so as to start recovery, and then drive the cutter 13 to move upward, waiting for the next cutting work.
[0033] The working principle and use process of the utility model are as follows: when the equipment is used, the winding film is placed on the film reel 3, so that the winding film passes around the first film outlet roller 7. The winding film is wound out from the cutter film cutting port 19, after the equipment drives the film frame needle to finish winding and packaging the goods, the electromagnet 14 is powered on to drive the cutter 13 to move, so that the winding film is cut off, and the whole process is completed.
[0034] The above embodiments are only used to illustrate the technical solutions of the utility model, rather than limit them.
Claims
1. An automatic film breaking structure based on a pull-resistant film frame belt, comprising a bottom plate (1), a support (15) fixedly installed above the bottom plate (1), and a top plate (6) arranged above the support (15), characterized in that: The bottom plate (1) is provided with a base (2) on one side, the base (2) is fixedly installed with a support rod (4) in the middle, the support rod (4) is provided with a limiting cover (5) at the top end, and the outer side of the support rod (4) is provided with a film reel (3); The bottom plate (1) is provided with a first film outlet roller (7) on one side, the first film outlet roller (7) is provided with a third film outlet roller (20) on the side, and the rear of the first film outlet roller (7) is provided with a film cutting assembly; The film cutting assembly comprises an outer cutting knife holder (9), one side of the outer cutting knife holder (9) is provided with an inner cutting knife holder (16), the outer cutting knife holder (9) is fixed on the bottom plate (1) through a first fixing bolt (10), an electromagnet (14) is fixedly installed inside the outer cutting knife holder (9), a knife holder rotating shaft (12) is rotatably arranged above the electromagnet (14), the knife holder rotating shaft (12) is installed through a knife holder bolt (11), a cutting knife (13) is rotatably installed on the knife holder rotating shaft (12), the electromagnet (14) is located directly below the cutting knife (13), and the inside of the outer cutting knife holder (9) is provided with a reset mechanism for the cutting knife (13).
2. The automatic film breaking structure based on the pull-resistant film frame belt according to claim 1, characterized in that: The bracket (15) is provided with a first fixing plate (18) on one side, the first fixing plate (18) is fixed through a second fixing bolt (21), the other side of the bracket (15) is provided with a second fixing plate (22), the second fixing plate (22) is fixed on the fixed L-shaped bracket (17) by welding, and one side of the bracket (15) is designed as a groove.
3. The automatic film breaking structure based on the pull-resistant film frame belt according to claim 1, characterized in that: The first film outlet roller (7) is provided with a third film outlet roller (20) on the side, a cutting knife film cutting port (19) is formed between the outer cutting knife holder (9) and the inner cutting knife holder (16), and a second film outlet roller (8) is arranged at the cutting knife film cutting port (19).
4. The automatic film breaking structure based on the pull-resistant film frame belt according to claim 2, characterized in that: The fixed L-shaped bracket (17) is an L-shaped structure, which is matched with the bracket (15), and the inside of the fixed L-shaped bracket (17) is hollow.
5. The automatic film breaking structure based on the pull-resistant film shelf belt according to claim 1, characterized in that: The support rod (4) and the first film outlet roller (7) are on the same horizontal line.
6. The automatic film breaking structure based on the pull-resistant film shelf belt according to claim 1, characterized in that: The reset mechanism comprises a fixing piece (133) fixedly installed at the top end inside the outer cutting knife holder (9), a connecting piece (131) is arranged directly below the fixing piece (133), the lower end of the connecting piece (131) is rotatably connected with the middle position of the cutting knife (13) through a rotating shaft (132), a spring (134) is fixedly installed between the connecting piece (131) and the fixing piece (133), the spring (134) is a non-metal component, and strip-shaped magnet blocks are embedded on both sides of the cutting knife (13).