Outer packaging film cutting device

Abstract

The utility model discloses an outer packing film cutting device in the technical field of outer packing films, which comprises an operation table, a movable groove is formed in the middle of the top of the operation table, a first screw rod is mounted on the inner side of the movable groove, and a driving block is mounted on the inner side of the movable groove and located on the outer side of the first screw rod in a sleeving manner. The top of the driving block is connected with a fixing frame, the driving piece can drive a first screw to rotate in a reciprocating mode, the first screw drives the fixing frame to slide in a reciprocating mode through the driving block, and therefore the fixing frame drives a cutting assembly to cut an outer packaging film in a reciprocating mode, and the problem that the packaging film is inconvenient to cut in a reciprocating mode is solved. The problems that a connecting part exists due to incomplete cutting of the packaging film, the sharpness is reduced due to the fact that a cutter is prone to abrasion after being used for a long time, cutter replacement operation is tedious, and the cutting efficiency of the equipment on the packaging film is affected are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of outer packaging films, in particular to an outer packaging film cutting device. 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. The packaging film is mainly made of a mixture of several different grades of polyethylene resins and has puncture resistance and super strength and high performance. It is used to wrap the goods stacked on the pallet to make the packaging more stable and tidy and has super waterproof effect. It is widely used in foreign trade export, papermaking, hardware, plastic chemicals, building materials, food, medicine and other industries. The outer packaging film needs to be cut during the production and processing process. The existing equipment usually cuts the outer packaging film in one direction, resulting in low cutting efficiency.

[0003] Existing equipment usually cuts the outer packaging film in a single direction or up and down, which is not convenient for reciprocating cutting of the packaging film, resulting in incomplete cutting of the packaging film and the existence of connected parts. In addition, the tool is easily worn out after long-term use, resulting in reduced sharpness. The tool replacement operation is relatively cumbersome, which affects the efficiency of the equipment in cutting the packaging film. Therefore, technical personnel in this field provide an outer packaging film cutting device to solve the problems raised in the above background technology. Utility Model Content

[0004] The purpose of the utility model is to provide an outer packaging film cutting device to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an outer packaging film cutting device, comprising an operating table, a movable groove is opened at the top and in the middle of the operating table, a first screw is installed inside the movable groove, a driving block is sleeved inside the movable groove and outside the first screw, and a fixing frame is connected to the top of the driving block;

[0006] A cutting assembly is installed inside the fixing frame, a driving member is sleeved on one side of the operating table and located at one end of the first screw rod, the first screw rod penetrates the driving block and is screwed thereto, and the driving block is slidably connected to the movable groove.

[0007] Preferably: the cutting assembly passes through the second screw on the inner side of the fixing frame, two mounting blocks are mounted on the outer side of the second screw and located on the inner side of the fixing frame, fixing seats are respectively installed on both sides of the mounting blocks, a tool is connected to one side of the fixing seat, the two tools are staggered, the second screw is a bidirectional screw, the second screw is rotatably connected to the fixing frame, the second screw passes through the mounting block and is screwed thereto, and the fixing seat and the mounting block are installed and fixed by screws.

[0008] Preferably, the driving member comprises a gear sleeved on one end of the first screw rod, a cylinder is installed on one side of the operating table, one end of the cylinder is connected to a push rod, one end of the push rod is connected to a rack, and the rack is meshed with the gear.

[0009] Preferably: support seats are installed on the top of the operating table and on both sides of the movable groove, a fixing rod is installed on the top of the support seat, a rotating wheel is sleeved on the outer side of the fixing rod, and the rotating wheel is rotatably connected to the fixing rod.

[0010] Preferably, guide blocks are connected to both sides of the mounting block, guide grooves are provided on both sides of the interior of the fixing frame, and the guide blocks are slidably connected to the guide grooves.

[0011] Preferably, positioning blocks are connected to both sides of the installation block, and a positioning groove is provided on the other side of the fixing seat, and the positioning block is movably connected to the positioning groove.

[0012] Preferably, the cross section of the fixing seat is in the shape of a "convex" character.

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

[0014] 1. In the utility model, by setting a first screw, a driving block and a fixed frame, the driving member can drive the first screw to rotate back and forth, and the first screw drives the fixed frame to slide back and forth through the driving block, so that the fixed frame drives the cutting component to reciprocate and cut the outer packaging film, thereby improving the efficiency of the equipment in cutting the outer packaging film.

[0015] 2. In the utility model, a second screw, a mounting block, a gear, a rack and a cutter are arranged. The mounting block is used to mount and fix the cutter on one side of the fixing seat by a screw, so that the cutter can be disassembled and replaced. The cylinder can drive the rack to slide back and forth through the push rod, and the rack drives the first screw to rotate back and forth through the gear, so that the first screw drives the driving block to slide back and forth in the movable groove. The second screw can be used to drive the two mounting blocks to move closer to or away from each other, so as to adjust the distance between the two cutters and improve the efficiency of the two cutters in cutting the outer packaging film.

[0016] 3. In the present invention, by providing a support seat, a fixing rod and a rotating wheel, the fixing rod on the top of the support seat can support the rotating wheel, and the rotating wheel can facilitate the support and transportation of the outer packaging film. BRIEF DESCRIPTION OF THE DRAWINGS

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

[0018] Figure 2It is a left-side cutaway stereoscopic view of the overall structure of the utility model;

[0019] Figure 3 It is a front cutaway stereoscopic view of the overall structure of the utility model;

[0020] Figure 4 The overall structure of the utility model Figure 3 Enlarged view of point A in the middle;

[0021] Figure 5 It is a structural schematic diagram of the mounting block, the fixing seat and the cutting tool in the overall structure of the utility model.

[0022] In the figure: 1. operating table; 2. movable groove; 3. first screw; 4. driving block; 5. fixing frame; 6. second screw; 7. mounting block; 8. fixing seat; 9. tool; 10. gear; 11. cylinder; 12. push rod; 13. rack; 14. supporting seat; 15. fixing rod; 16. rotating wheel; 17. guide block; 18. guide groove; 19. positioning block; 20. positioning groove. DETAILED DESCRIPTION

[0023] 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.

[0024] See also Figure 1 to Figure 5 In an embodiment of the utility model, an outer packaging film cutting device includes an operating table 1, a movable groove 2 is opened at the top and in the middle of the operating table 1, a first screw 3 is installed on the inner side of the movable groove 2, a driving block 4 is sleeved on the inner side of the movable groove 2 and on the outer side of the first screw 3, a fixing frame 5 is connected to the top of the driving block 4, a cutting assembly is installed on the inner side of the fixing frame 5, a driving member is sleeved on one side of the operating table 1 and at one end of the first screw 3, the first screw 3 penetrates the driving block 4 and is screwed thereto, and the driving block 4 is slidably connected to the movable groove 2.

[0025] When in use, the driving member can drive the first screw 3 to rotate reciprocatingly, and the first screw 3 drives the fixing frame 5 to slide reciprocatingly through the driving block 4, so that the fixing frame 5 drives the cutting component to reciprocately cut the outer packaging film, thereby improving the efficiency of the equipment in cutting the outer packaging film.

[0026] In one embodiment, specifically, the cutting assembly passes through the second screw 6 inside the fixing frame 5, and two mounting blocks 7 are mounted on the outside of the second screw 6 and located inside the fixing frame 5, and fixing seats 8 are respectively mounted on both sides of the mounting block 7, and a tool 9 is connected to one side of the fixing seat 8. The driving member includes a gear 10 mounted on one end of the first screw 3, a cylinder 11 is mounted on one side of the operating table 1, a push rod 12 is connected to one end of the cylinder 11, and a rack 13 is connected to one end of the push rod 12, and guide blocks 17 are respectively connected to the two sides of the mounting block 7. Guide grooves 18 are respectively provided on the sides, positioning blocks 19 are respectively connected to the two sides of the mounting block 7, a positioning groove 20 is provided on the other side of the fixed seat 8, the positioning block 19 is movably connected to the positioning groove 20, the guide block 17 is slidably connected to the guide groove 18, the rack 13 is meshed with the gear 10, the two cutters 9 are staggered, the second screw 6 is a bidirectional screw, the second screw 6 is rotatably connected to the fixing frame 5, the second screw 6 passes through the mounting block 7 and is screwed thereto, the fixing seat 8 is installed and fixed to the mounting block 7 by screws, and the cross-section of the fixing seat 8 is a "convex" shape.

[0027] Among them, the cross-section of the fixed seat 8 is a "convex" shape, which can increase the contact area between the fixed seat 8 and the mounting block 7. The two guide blocks 17 can guide and limit the mounting block 7. The positioning blocks 19 on both sides of the mounting block 7 can be embedded in the positioning groove 20 on one side of the fixed seat 8, so that the positioning blocks 19 limit and fix the fixed seat 8. The mounting block 7 installs and fixes the tool 9 on one side of the fixed seat 8 by screws, so as to facilitate the disassembly of the tool 9 for replacement, thereby improving the stability of the installation of the fixed seat 8 and the convenience of replacing the tool 9. The cylinder 11 can drive the rack 13 to slide back and forth through the push rod 12, and the rack 13 drives the first screw 3 to rotate back and forth through the gear 10, so that the first screw 3 drives the driving block 4 to slide back and forth in the movable groove 2. The second screw 6 can drive the two mounting blocks 7 to move closer or farther away from each other, so as to adjust the distance between the two tools 9 and improve the efficiency of the two tools 9 in cutting the outer packaging film.

[0028] Furthermore, a support seat 14 is installed on the top of the operating table 1 and on both sides of the movable groove 2, and a fixed rod 15 is installed on the top of the support seat 14. A rotating wheel 16 is mounted on the outside of the fixed rod 15. The rotating wheel 16 is rotatably connected to the fixed rod 15. The fixed rod 15 on the top of the support seat 14 can support the rotating wheel 16, and the rotating wheel 16 can facilitate the support and transportation of the outer packaging film.

[0029] The working principle of this utility model:

[0030] First, insert the fixed seat 8 on one side of the tool 9 into the mounting block 7. At this time, the positioning block 19 is embedded in the positioning groove 20 to position the fixed seat 8. Then, the fixed seat 8 and the mounting block 7 are installed and fixed by screws. Then, the distance between the two tools 9 is adjusted according to the thickness of the outer packaging film. Then, the second screw rod 6 is rotated to drive the two mounting blocks 7 to move closer or farther away from each other. At the same time, the mounting block 7 drives the guide block 17 to slide in the guide groove 18. At this time, the fixed rod 15 on the top of the support seat 14 supports the rotating wheel 16, and then the rotating wheel 16 can support the outer packaging film. Then, the two tools 9 are connected and the edge of the packaging film is fitted. Then, the cylinder 11 is started to drive the rack 13 to slide back and forth through the push rod 12. This is that the rack 13 drives the first screw rod 3 to rotate back and forth through the gear 10, and then the first screw 3 drives the driving block 4 to slide back and forth in the movable groove 2. At the same time, the driving block 4 drives the tool 9 to cut the outer packaging film through the fixed frame 5.

[0031] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. An outer packaging film cutting device, comprising an operating table (1), characterized in that: A movable groove (2) is provided at the top and in the middle of the operating table (1), a first screw rod (3) is installed inside the movable groove (2), a driving block (4) is sleeved inside the movable groove (2) and outside the first screw rod (3), and a fixing frame (5) is connected to the top of the driving block (4); A cutting assembly is installed inside the fixed frame (5), and a driving member is sleeved on one end of the first screw rod (3) on one side of the operating table (1). The first screw rod (3) passes through the driving block (4) and is screwed thereto, and the driving block (4) is slidably connected to the movable groove (2).

2. The outer packaging film cutting device according to claim 1, characterized in that: The cutting assembly passes through a second screw rod (6) on the inner side of the fixing frame (5); two mounting blocks (7) are mounted on the outer side of the second screw rod (6) and located on the inner side of the fixing frame (5); fixing seats (8) are respectively mounted on both sides of the mounting block (7); a tool (9) is connected to one side of the fixing seat (8); the two tools (9) are staggered; the second screw rod (6) is a bidirectional screw rod; the second screw rod (6) is rotatably connected to the fixing frame (5); the second screw rod (6) passes through the mounting block (7) and is screwed thereto; the fixing seat (8) and the mounting block (7) are mounted and fixed by screws.

3. The outer packaging film cutting device according to claim 2, characterized in that: The driving member comprises a gear (10) mounted on one end of a first screw rod (3); a cylinder (11) is mounted on one side of the operating table (1); one end of the cylinder (11) is connected to a push rod (12); one end of the push rod (12) is connected to a rack (13); and the rack (13) is meshed with the gear (10).

4. The outer packaging film cutting device according to claim 1, characterized in that: Support seats (14) are respectively installed on the top of the operating table (1) and on both sides of the movable groove (2); a fixing rod (15) is installed on the top of the support seat (14); a rotating wheel (16) is sleeved on the outer side of the fixing rod (15); and the rotating wheel (16) is rotatably connected to the fixing rod (15).

5. The outer packaging film cutting device according to claim 2, characterized in that: The two sides of the installation block (7) are respectively connected to guide blocks (17), the two sides of the interior of the fixing frame (5) are respectively provided with guide grooves (18), and the guide blocks (17) are slidably connected to the guide grooves (18).

6. The outer packaging film cutting device according to claim 2, characterized in that: Positioning blocks (19) are respectively connected to both sides of the installation block (7), and a positioning groove (20) is provided on the other side of the fixing seat (8), and the positioning block (19) is movably connected to the positioning groove (20).

7. The outer packaging film cutting device according to claim 2, characterized in that: The cross section of the fixing seat (8) is in the shape of a "convex" character.

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