Hand cutting prevention device of stretch film packaging machine

Abstract

The utility model discloses an anti-cutting hand device of stretch film packaging machine relates to stretch film packaging machine technical field, including bottom plate, conveyer belt and cutting blade, the top surface of bottom plate is fixedly equipped with two mounting plate that is arranged symmetrically, the side wall of mounting plate is fixedly equipped with drive motor, and the drive motor is fixed on the side wall of mounting plate. One side of the driving motor is in transmission connection with a second driving rod, a rotatable first driving rod is mounted on the top surface of one mounting plate, one side of the first driving rod is fixedly connected with a second bevel gear, and a rotatable first bevel gear is arranged above the bottom plate. According to the utility model, the transmission parts of the device are connected through the magnets, so that the cutting blade cannot continuously operate after the front side protection plate for protection in the device is separated from the original position, the condition that the cutting blade can only be cleaned and polished by a worker in a shutdown state is ensured, and the personal safety of the worker is ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to a stretch film packaging machine technical field, concretely is a stretch film packaging machine anti -cut hand device. BACKGROUND

[0002] In the use process of the stretch film packaging machine, the slitting blade is an indispensable key component, which is responsible for cutting the stretch film according to the predetermined size, forming the packaging unit meeting the requirements. However, due to the sharp cutting edge and high-speed movement characteristics of the slitting blade, the operator is easily injured during operation, especially the hand injury accident, which brings serious threat to production safety and personnel health.

[0003] At present, there are some safety protection devices for the slitting blade of the stretch film packaging machine on the market, but these devices generally have the problems of limited protection effect, inconvenient operation or high cost. For example, some devices use simple masks or protective plates to shield the blade, but the design of the masks and protective plates often cannot completely cover all the movement trajectories of the blade, and there are still safety hazards. In addition, although some high-end equipment is equipped with complex safety protection systems, these systems are often costly and need regular maintenance and calibration, which is a heavy burden for small and medium-sized enterprises, so a protection device is needed to protect safety without increasing production cost too much.

[0004] Therefore, a stretch film packaging machine anti-cut hand device is provided to overcome the above-mentioned defects. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a stretch film packaging machine anti-cut hand device to solve the problems raised in the background.

[0006] To solve the above technical problems, a stretch film packaging machine anti-cut hand device includes a bottom plate, a conveyor belt and a cutting blade, two symmetrically arranged mounting plates are fixedly installed on the top surface of the bottom plate, a drive motor is fixedly installed on the side wall of the mounting plate, a second drive rod is drivingly connected to one side of the drive motor, a first drive rod is rotatably installed on the top surface of one of the mounting plates, a second bevel gear is fixedly connected to one side of the first drive rod, a first bevel gear is rotatably arranged above the bottom plate, a threaded rod is fixedly connected to the top of the first bevel gear, a threaded sleeve is threadedly connected to the outer wall of the threaded rod, a cutting blade is fixedly installed on one side of the threaded sleeve, a front protective plate is hingedly connected to the top of the other mounting plate, a butt joint block is fixedly connected to one side of the front protective plate, and a magnet adapted to the second drive rod and the first drive rod is rotatably installed in the butt joint block.

[0007] Further, the second bevel gear and the first bevel gear are meshed with each other.

[0008] Further, two support columns are fixedly installed on the top surface of the bottom plate, and the two support columns are symmetrically arranged.

[0009] Further, the first helical gear is rotatably installed at the middle position of the top surface of one of the support columns, and a guide rod is fixedly installed on the top surface of the other support column.

[0010] Further, a slidable guide sleeve is sleeved on the outer wall of the guide rod, and the cutting blade is fixedly connected with the guide sleeve away from the threaded sleeve.

[0011] Further, a limiting plate is fixedly installed on the top of the guide rod, and a rear protective plate is fixedly installed on the rear side of the limiting plate.

[0012] Further, the front protective plate is in the shape of "L", and the side wall of the front protective plate is located on one side of the cutting blade in the initial state.

[0013] Further, a plurality of square blocks are fixedly installed on the top surface of the mounting plate, and the driving motor and the second driving rod are rotatably installed in the square blocks, respectively.

[0014] Compared with the prior art, the device has the advantages that:

[0015] The front protective plate is connected with the magnet, so that the cutting blade cannot continuously operate after the front protective plate is separated from the original position, and the staff can only clean and polish the cutting blade in the cutting blade stop state, thereby ensuring the personal safety of the staff.

[0016] The magnet also makes the front protective plate not be easily opened without human force, so that the front protective plate can continuously protect the cutting blade and continuously prevent the related staff from touching the cutting blade by mistake. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a structural schematic view of the whole device;

[0018] Figure 2 It is a structural schematic view of the front side of the device;

[0019] Figure 3 It is a structural schematic view of the inside of the device;

[0020] Figure 4 It is Figure 3 It is an enlarged structural schematic view of position A.

[0021] In the figure: 1, the base plate; 2, the conveying belt; 3, the mounting plate; 4, the support column; 5, the rear side guard plate; 6, the limiting plate; 7, the guide rod; 8, the guide sleeve; 9, the threaded sleeve; 10, the threaded rod; 11, the first helical gear; 12, the second helical gear; 13, the first drive rod; 14, the second drive rod; 15, the drive motor; 16, the butt joint block; 17, the front side guard plate; 18, the magnet; 19, the cutting blade. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0023] Embodiment one

[0024] Reference Figures 1-4 A kind of stretching film packaging machine anti-cutting hand device, including base plate 1, conveying belt 2 and cutting blade 19, the top surface of base plate 1 is fixedly installed with two symmetrically arranged mounting plate 3, drive motor 15 is fixedly installed on the side wall of mounting plate 3, one side of drive motor 15 is transmission connection with second drive rod 14, the top surface of one mounting plate 3 is installed with rotatable first drive rod 13, the side of first drive rod 13 is fixedly connected with second helical gear 12, the top of first helical gear 11 is fixedly connected with threaded rod 10, threaded sleeve 9 is threadedly connected on the outer wall of threaded rod 10, cutting blade 19 is fixedly installed on the side of threaded sleeve 9, the top of another mounting plate 3 is hingedly connected with front side guard plate 17, the side of front side guard plate 17 is fixedly connected with butt joint block 16, magnet 18 that is simultaneously adapted with second drive rod 14 and first drive rod 13 is rotatably installed in butt joint block 16, second helical gear 12 and first helical gear 11 are engaged with each other.

[0025] Further, the top surface of base plate 1 is fixedly installed with two support columns 4, two support columns 4 are symmetrically arranged as a whole, first helical gear 11 is rotatably installed at the middle position of the top surface of one side support column 4, guide rod 7 is fixedly installed on the top surface of the other side support column 4, limiting plate 6 is fixedly installed on the top of guide rod 7, rear side guard plate 5 is fixedly installed on the rear side of limiting plate 6, guide sleeve 8 that can slide is sleeved on the outer wall of guide rod 7, cutting blade 19 is fixedly connected with guide sleeve 8 on the side away from threaded sleeve 9.

[0026] By setting the support column 4, and setting the first bevel gear 11 rotatable installation in the middle position of one side support column 4 top surface, and one side support column 4 top surface fixed installation guide rod 7, guide rod 7 outer wall on the sleeve set can slide guide sleeve 8, finally set the cutting blade 19 both ends are connected between the guide sleeve 8 and the threaded sleeve 9, so that the cutting blade 19 can complete the lifting cutting action, but also by the guide plate 1 of the guide rod 7, so that the cutting blade 19 cutting will not easily appear deviation, to ensure the cutting effect and stability.

[0027] Further, the mounting plate 3 top surface is fixedly installed with a plurality of square blocks, the driving motor 15 and the second driving rod 14 are rotatably installed in the square block, by setting the square block, and setting the driving motor 15 and the second driving rod 14 rotatable installation in the square block inside the driving motor 15 and the second driving rod 14 can get stable support.

[0028] In addition, the specific shape of the front side guard plate 17 is "L" shape, and the side wall of the front side guard plate 17 is located on one side of the cutting blade 19 in the initial state. By setting the specific shape of the front side guard plate 17 as "L" shape, and the side wall of the front side guard plate 17 is located on one side of the cutting blade 19 in the initial state, the front side guard plate 17 can form a range for the cutting blade 19 in the initial state, preventing the user from placing his hand under the cutting blade 19.

[0029] In the process of using the stretch film packaging machine, there are many safety hazards, among which the safety hazard of the slitting part of the stretch film packaging machine is the most serious, because most of the blades are directly exposed to the outside, and if they are directly shielded and protected, it is not conducive to cleaning the surface, so it is very easy to cut the hands of the workers during use.

[0030] In the utility model, the cutting blade 19 is in the protection of the rear side guard plate 5 and the front side guard plate 17 in the initial state, and the worker will not be easily injured by the cutting blade 19. When the cutting blade 19 needs to be cleaned or polished, the front side guard plate 17 must be turned to one side and opened. After the front side guard plate 17 is turned, the butt block 16 and the magnet 18 fixedly installed on one side of the front side guard plate 17 will also be driven away from the original position. After the butt block 16 and the magnet 18 leave the original position, the connection between the second driving rod 14 and the first driving rod 13, which is originally connected by the magnetic force of the magnet 18, is directly disconnected. At this time, the driving motor 15 can only drive the second driving rod 14 to rotate, and the first driving rod 13 cannot rotate.

[0031] After the workers have finished cleaning and polishing the cutting blade 19, if they want to restart the cutting blade 19, they need to close the front protective plate 17 again, so that the docking block 16 and the magnet 18 return to their original positions. Then, the magnetic force of the magnet 18 will reconnect the second drive rod 14 and the first drive rod 13. After the drive motor 15 drives the second drive rod 14 to rotate, the first drive rod 13 and the second helical gear 12 will also rotate. The second helical gear 12 meshes with the first helical gear 11. Therefore, after the drive motor 15 starts, the magnet 18 can drive the threaded rod 10 to rotate when it is in its initial position, thereby controlling the up and down movement of the cutting blade 19 and achieving the cutting effect.

[0032] By connecting the transmission components of the device with magnets 18, the cutting blade 19 cannot continue to operate after the front protective plate 17 used for protection is removed from its original position. This ensures that the staff can only clean and polish the cutting blade 19 when it is stopped, thus guaranteeing the personal safety of the staff.

[0033] In addition, by setting the magnet 18, the front protective plate 17 cannot be easily opened without human intervention, so that the front protective plate 17 can continuously protect the cutting blade 19 and also continuously prevent relevant personnel from accidentally touching the cutting blade 19.

[0034] Working principle: There are many safety hazards in the use of stretch film packaging machines. Among them, the cutting part of the stretch film packaging machine has the greatest safety hazards because most of its blades are directly exposed. If they are directly covered and protected, it is not conducive to cleaning their surface. Therefore, it is very easy to cut the hands of the workers during use.

[0035] In this application, the cutting blade 19 is initially protected by the rear protective plate 5 and the front protective plate 17, so the operator will not be easily injured by the cutting blade 19. When it is necessary to clean or grind the cutting blade 19, the front protective plate 17 must be rotated to one side and opened. After the front protective plate 17 is rotated, the docking block 16 and the magnet 18 fixedly installed on one side of the front protective plate 17 will also be driven away from their original positions. After the magnet 18 and the docking block 16 are moved away from their original positions, the connection between the second drive rod 14 and the first drive rod 13, which were originally connected by the magnetic force of the magnet 18, is directly disconnected. At this time, the drive motor 15 can only drive the second drive rod 14 to rotate, while the first drive rod 13 cannot rotate.

[0036] After the staff completes the cleaning and grinding of the cutting blade 19, if it is desired to restart the cutting blade 19, the front protective plate 17 needs to be closed again, the abutting block 16 and the magnet 18 are restored to the original position, so that the magnetic force of the magnet 18 is used to connect the second driving rod 14 and the first driving rod 13 again, so that the driving motor 15 drives the second driving rod 14 to rotate, and the first driving rod 13 and the second bevel gear 12 also rotate, and the second bevel gear 12 is engaged with the first bevel gear 11, so that when the driving motor 15 is started and the magnet 18 is in the initial position, the threaded rod 10 can be driven to rotate, thereby controlling the up and down movement of the cutting blade 19, and achieving the cutting effect.

[0037] By setting the transmission components of the device to be connected by the magnet 18, the front protective plate 17 for protection in the device cannot continuously operate after being separated from the original position, so that the staff can only clean and grind the cutting blade 19 in the shutdown state, thereby ensuring the safety of the staff.

[0038] In addition, by setting the magnet 18, the front protective plate 17 cannot be easily opened without human force, so that the front protective plate 17 can continuously protect the cutting blade 19, and also continuously prevent the related staff from accidentally touching the cutting blade 19.

Claims

1. A stretch film packaging machine cut hand prevention device, comprising a base plate (1), a conveyor belt (2) and a cutting blade (19), characterized in that, The top surface of the bottom plate (1) is fixedly provided with two symmetrically arranged mounting plates (3), the side wall of the mounting plate (3) is fixedly provided with a driving motor (15), one side of the driving motor (15) is drivingly connected with a second driving rod (14), the top surface of one mounting plate (3) is provided with a rotatable first driving rod (13), one side of the first driving rod (13) is fixedly connected with a second bevel gear (12), the top of the bottom plate (1) is provided with a rotatable first bevel gear (11), the top of the first bevel gear (11) is fixedly connected with a threaded rod (10), the outer wall of the threaded rod (10) is threadedly connected with a threaded sleeve (9), one side of the threaded sleeve (9) is fixedly provided with a cutting blade (19), the top of the other mounting plate (3) is hingedly provided with a front protective plate (17), one side of the front protective plate (17) is fixedly connected with a butt joint block (16), the inside of the butt joint block (16) is rotatably provided with a magnet (18) adapted to the second driving rod (14) and the first driving rod (13).

2. A cut-resistant hand device for a stretch film wrapping machine as defined in claim 1, characterized in that: The second bevel gear (12) is engaged with the first bevel gear (11).

3. A cut-resistant hand device for a stretch film wrapping machine as defined in claim 2, wherein: The top surface of the bottom plate (1) is fixedly provided with two support columns (4), and the two support columns (4) are symmetrically arranged.

4. A cut-resistant hand device for a stretch film wrapping machine as defined in claim 3, wherein: The first bevel gear (11) is rotatably arranged at the middle position of the top surface of one support column (4), and the top surface of the other support column (4) is fixedly provided with a guide rod (7).

5. A cut-resistant hand device for a stretch film wrapping machine as defined in claim 4, wherein: The outer wall of the guide rod (7) is sleeved with a slidable guide sleeve (8), and one side of the cutting blade (19) away from the threaded sleeve (9) is fixedly connected with the guide sleeve (8).

6. A cut-resistant hand device for a stretch film wrapping machine as defined in claim 5, wherein: The top of the guide rod (7) is fixedly provided with a limiting plate (6), and the rear side of the limiting plate (6) is fixedly provided with a rear protective plate (5).

7. A cut-resistant hand device for a stretch film wrapping machine as defined in claim 6, wherein: The specific shape of the front protective plate (17) is "L", and the side wall of the front protective plate (17) is located on one side of the cutting blade (19) in the initial state.

8. A cut-resistant hand device for a stretch film wrapping machine as defined in claim 1, wherein: The top surface of the mounting plate (3) is fixedly provided with a plurality of square blocks, and the driving motor (15) and the second driving rod (14) are rotatably arranged in the inside of the square blocks, respectively.

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