A device for cutting packaging film of aerospace precision instruments

Abstract

The utility model discloses a packaging film cutting device for aerospace precision instruments, comprising a base, a bracket 1, a bracket 2, a motor 1 and a screw, wherein the bracket 1 is fixedly connected to both sides of the top of the base, the bracket 2 is fixedly connected to the left side of the top of the base, the motor 1 is fixedly connected to the rear side of the bracket 1, the screw is arranged at the top inside the bracket 1, and the rear side of the screw is fixedly connected to the output end of the motor 1. The utility model provides a bracket 1, supports and fixes the cutting assembly through the bracket 1, and at the same time, the packaging film is carefully cut by the cutting assembly, and then one end of the packaging film is sealed by a sealing mechanism to prevent the articles from falling out when packaging the articles, thereby solving the problem that the existing packaging film cutting device cannot seal one end of the packaging film during use, resulting in the article being easily leaked out during packaging, and has the advantage of being able to seal one end of the packaging film during cutting.

Description

Technical Field

[0001] The utility model relates to the technical field of packaging film cutting devices, in particular to a packaging film cutting device for aerospace precision instruments. Background Art

[0002] Packaging film mainly refers to the film used for packaging articles, usually including polyethylene film, biaxially oriented polyester (BOPET), BOPP film and CPP film, etc. It is mainly used for the packaging of food, medicine and textiles. After the production of aerospace precision instruments is completed, packaging film is needed to protect the items inside.

[0003] The existing packaging film cutting device cannot seal one end of the packaging film during use, which causes the articles to leak out easily during packaging. Utility Model Content

[0004] In order to solve the problems raised in the above-mentioned background technology, the purpose of the utility model is to provide a packaging film cutting device for aerospace precision instruments, which has the advantage of being able to seal one end of the packaging film during cutting, thereby solving the problem that the existing packaging film cutting device cannot seal one end of the packaging film during use, resulting in easy leakage of items during packaging.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solution: it includes a base, a bracket one, a bracket two, a motor one and a screw rod, wherein the bracket one is fixedly connected to both sides of the top of the base, the bracket two is fixedly connected to the left side of the top of the base, the motor one is fixedly connected to the rear side of the bracket one, the screw rod is arranged at the top inside the bracket one, the rear side of the screw rod is fixedly connected to the output end of the motor one, the rear side of the screw rod surface is movably connected with a cutting assembly, and the left side of the inner wall of the bracket one is fixedly connected with a sealing mechanism.

[0006] As a preferred embodiment of the utility model, the cutting assembly includes a movable frame, the movable frame is threadedly connected to the rear side of the screw surface, a blade is fixedly connected to the bottom of the movable frame, a limiting rod is fixedly connected to the bottom of an inner wall of the bracket, and the limiting rod is movably connected to the bottom of the movable frame.

[0007] As a preferred embodiment of the utility model, the sealing mechanism includes a cross bar, the cross bar is fixedly connected to the left side of an inner wall of the bracket, a movable groove is formed at the bottom of the cross bar, and a movable frame is movably connected to the bottom of the inner wall of the movable groove.

[0008] As a preferred embodiment of the utility model, a heating device is fixedly connected to the bottom of the movable frame, and a ceramic sheet is fixedly connected to the bottom of the heating device.

[0009] As a preferred embodiment of the utility model, springs are fixedly connected to both sides of the top of the movable frame, and an electromagnet is fixedly connected to the top of the inner wall of the movable groove.

[0010] As a preferred embodiment of the present invention, a pad located on the left side of the bracket is fixedly connected to the top of the base.

[0011] As a preferred embodiment of the present invention, a limiting roller is fixedly connected to the left side of the top of the base.

[0012] As a preferred embodiment of the utility model, the inner wall of the second bracket is movably connected with a conveying roller, the rear side of the second bracket is fixedly connected with a second motor, and the output end of the second motor is fixedly connected to the rear side of the conveying roller.

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

[0014] 1. The utility model provides a bracket one, supports and fixes the cutting assembly through the bracket one, and at the same time, the packaging film is carefully cut by the cutting assembly, and then one end of the packaging film is sealed by a sealing mechanism to prevent the items from falling out when the items are packaged. This solves the problem that the existing packaging film cutting device cannot seal one end of the packaging film when in use, resulting in the easy leakage of items when packaging, and has the advantage of being able to seal one end of the packaging film when cutting.

[0015] 2. The utility model sets a cutting assembly, drives the screw to rotate through the motor, and pushes the movable frame to move through the thread. The moving direction of the movable frame is controlled by controlling the rotation direction of the motor. When the packaging film needs to be cut, the packaging film is cut by driving the blade to move through the movable frame.

[0016] 3. The utility model provides a sealing mechanism, and the movable groove can provide a movable space for the movable frame, and at the same time can limit the movable frame, and then the movable frame moves downward to hold the packaging film tightly for easy cutting, thereby preventing the packaging film from moving during cutting. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0018] Figure 2 It is a schematic diagram of the three-dimensional cross-sectional structure of the utility model;

[0019] Figure 3 The utility model is Figure 2 Enlarged structural diagram at A in the middle.

[0020] In the figure: 1. base; 2. bracket 1; 3. bracket 2; 4. motor 1; 5. screw; 6. cutting assembly; 61. movable frame; 62. blade; 63. limit rod; 7. sealing mechanism; 71. cross bar; 72. movable groove; 73. movable frame; 8. heating device; 9. ceramic sheet; 10. spring; 11. pad; 12. limit roller; 13. conveying roller; 14. motor 2; 15. electromagnet. 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] like Figures 1 to 3 As shown, the utility model includes a base 1, a bracket 2, a bracket 3, a motor 4 and a screw 5, the bracket 2 is fixedly connected to both sides of the top of the base 1, the bracket 3 is fixedly connected to the left side of the top of the base 1, the motor 4 is fixedly connected to the rear side of the bracket 2, the screw 5 is arranged at the top inside the bracket 2, the rear side of the screw 5 is fixedly connected to the output end of the motor 4, the rear side of the surface of the screw 5 is movably connected with a cutting assembly 6, and the left side of the inner wall of the bracket 2 is fixedly connected with a sealing mechanism 7.

[0023] refer to Figure 1 The cutting assembly 6 includes a movable frame 61, which is threadedly connected to the rear side of the surface of the screw rod 5, and a blade 62 is fixedly connected to the bottom of the movable frame 61. A limiting rod 63 is fixedly connected to the bottom of the inner wall of the bracket 2, and the limiting rod 63 is movably connected to the bottom of the movable frame 61.

[0024] As a technical optimization scheme of the utility model, a cutting assembly 6 is set up, and the screw 5 is driven to rotate by the motor 4. The screw 5 pushes the movable frame 61 to move through the thread. The moving direction of the movable frame 61 is controlled by controlling the rotation direction of the motor 4. When the packaging film needs to be cut, the movable frame 61 drives the blade 62 to move to cut the packaging film.

[0025] refer to Figure 3 The sealing mechanism 7 includes a cross bar 71, which is fixedly connected to the left side of the inner wall of the bracket 2. A movable groove 72 is provided at the bottom of the cross bar 71, and a movable frame 73 is movably connected to the bottom of the inner wall of the movable groove 72.

[0026] As a technical optimization solution of the utility model, by setting a sealing mechanism 7, the movable groove 72 can provide a movable space for the movable frame 73, and at the same time can limit the movable frame 73, and then the movable frame 73 is moved downward to press the packaging film tightly for easy cutting, thereby preventing the packaging film from moving during cutting.

[0027] refer to Figure 3 A heating device 8 is fixedly connected to the bottom of the movable frame 73 , and a ceramic sheet 9 is fixedly connected to the bottom of the heating device 8 .

[0028] As a technical optimization scheme of the utility model, a heating device 8 and a ceramic sheet 9 are provided, the heating device 8 emits heat to heat the ceramic sheet 9, and then one end of the packaging film is melted by the ceramic sheet 9 to seal the other end of the packaging film. The surface of the ceramic sheet 9 is smooth, which can prevent the packaging film from sticking to the ceramic sheet 9.

[0029] refer to Figure 3 Springs 10 are fixedly connected to both sides of the top of the movable frame 73 , and an electromagnet 15 is fixedly connected to the top of the inner wall of the movable groove 72 .

[0030] As a technical optimization solution of the utility model, by setting the spring 10 and the electromagnet 15, the electromagnet 15 is energized to generate magnetic force to adsorb the movable frame 73, which facilitates the movement of the packaging film. Then, by de-energizing the electromagnet 15, the spring 10 moves the movable frame 73 downward, and then the ceramic sheet 9 is tightly attached to the packaging to prevent the packaging film from moving.

[0031] refer to Figure 2 The top of the base 1 is fixedly connected with a pad 11 located on the left side of the bracket 2.

[0032] As a technical optimization solution of the present invention, by providing a pad 11, the pad 11 can support the bottom of the packaging film to prevent the packaging film from moving downward.

[0033] refer to Figure 2 A limiting roller 12 is fixedly connected to the left side of the top of the base 1.

[0034] As a technical optimization solution of the utility model, by providing a limiting roller 12 , the limiting roller 12 can limit the packaging film and guide the packaging film onto the pad 11 .

[0035] refer to Figure 2 The inner wall of the second bracket 3 is movably connected with a conveying roller 13, the rear side of the second bracket 3 is fixedly connected with a second motor 14, and the output end of the second motor 14 is fixedly connected to the rear side of the conveying roller 13.

[0036] As a technical optimization solution of the utility model, by providing a conveying roller 13 and a second motor 14, the second motor 14 drives the conveying roller 13 to rotate to convey the packaging film.

[0037] The working principle and use process of the utility model are as follows: when in use, the motor 4 drives the screw 5 to rotate, and the screw 5 pushes the movable frame 61 to move through the thread. The moving direction of the movable frame 61 is controlled by controlling the rotation direction of the motor 4. When it is necessary to cut the packaging film, the movable frame 61 drives the blade 62 to move to cut the packaging film. The movable groove 72 can provide a movable space for the movable frame 73, and the movable frame 73 can be limited at the same time. Then, the movable frame 73 is moved downward to hold the packaging film tightly for easy cutting, so as to avoid the packaging touch from moving during cutting. The heating device 8 emits heat to heat the ceramic sheet 9, and then One end of the packaging film is melted and sealed by the ceramic sheet 9. The surface of the ceramic sheet 9 is smooth, which can prevent the packaging film from sticking to the ceramic sheet 9. The electromagnet 15 is energized to generate magnetic force to adsorb the movable frame 73, which is convenient for the movement of the packaging film. Then, the electromagnet 15 is powered off to make the spring 10 move the movable frame 73 downward. Then, the ceramic sheet 9 is tightly attached to the packaging to prevent the packaging film from moving. The pad 11 can support the bottom of the packaging film to prevent the packaging film from moving downward. The limiting roller 12 can limit the packaging film and guide the packaging film to the pad 11. The conveying roller 13 is driven by the motor 2 14 to rotate to convey the packaging film.

[0038] To sum up: this aerospace precision instrument packaging film cutting device, by setting a bracket 2, supports and fixes the cutting component 6 through the bracket 2, and at the same time, the packaging film is carefully cut by the cutting component 6, and then one end of the packaging film is sealed by the sealing mechanism 7 to prevent the items from falling out when packaging the items. This solves the problem that the existing packaging film cutting device cannot seal one end of the packaging film during use, which makes it easy for the items to leak out when packaging.

[0039] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0040] 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 device for cutting packaging film of aerospace precision instruments, comprising a base (1), a first bracket (2), a second bracket (3), a first motor (4) and a screw (5), characterized in that: The bracket one (2) is fixedly connected to both sides of the top of the base (1), the bracket two (3) is fixedly connected to the left side of the top of the base (1), the motor one (4) is fixedly connected to the rear side of the bracket one (2), the screw rod (5) is arranged at the top inside the bracket one (2), the rear side of the screw rod (5) is fixedly connected to the output end of the motor one (4), the rear side of the surface of the screw rod (5) is movably connected to the cutting assembly (6), and the left side of the inner wall of the bracket one (2) is fixedly connected to the sealing mechanism (7).

2. The aerospace precision instrument packaging film cutting device according to claim 1, characterized in that: The cutting assembly (6) comprises a movable frame (61), the movable frame (61) being threadedly connected to the rear side of the surface of the screw rod (5), a blade (62) being fixedly connected to the bottom of the movable frame (61), a limiting rod (63) being fixedly connected to the bottom of the inner wall of the bracket (2), and the limiting rod (63) being movably connected to the bottom of the movable frame (61).

3. The aerospace precision instrument packaging film cutting device according to claim 1, characterized in that: The sealing mechanism (7) comprises a cross bar (71) which is fixedly connected to the left side of the inner wall of the bracket (2); a movable groove (72) is provided at the bottom of the cross bar (71); and a movable frame (73) is movably connected to the bottom of the inner wall of the movable groove (72).

4. The aerospace precision instrument packaging film cutting device according to claim 3, characterized in that: A heating device (8) is fixedly connected to the bottom of the movable frame (73), and a ceramic sheet (9) is fixedly connected to the bottom of the heating device (8).

5. The aerospace precision instrument packaging film cutting device according to claim 3, characterized in that: Springs (10) are fixedly connected to both sides of the top of the movable frame (73), and an electromagnet (15) is fixedly connected to the top of the inner wall of the movable groove (72).

6. The aerospace precision instrument packaging film cutting device according to claim 1, characterized in that: The top of the base (1) is fixedly connected to a pad (11) located on the left side of the bracket 1 (2).

7. The aerospace precision instrument packaging film cutting device according to claim 1, characterized in that: A limiting roller (12) is fixedly connected to the left side of the top of the base (1).

8. The aerospace precision instrument packaging film cutting device according to claim 1, characterized in that: The inner wall of the second bracket (3) is movably connected to a conveying roller (13), the rear side of the second bracket (3) is fixedly connected to a second motor (14), and the output end of the second motor (14) is fixedly connected to the rear side of the conveying roller (13).

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