Multi-angle cutting device

Abstract

The utility model relates to a multi-angle cutting device which comprises a bottom plate, an installation plate and a cutting assembly used for cutting paperboards, the installation plate is fixedly installed on the top of the bottom plate, a first driving assembly used for driving the cutting assembly to move up and down is arranged on the inner bottom wall of the installation plate, and the cutting assembly comprises a connecting plate. A mounting table is fixedly mounted at the bottom of the connecting plate, a cutting knife is fixedly mounted at the bottom of the mounting table, protection assemblies are further arranged on the two sides of the cutting knife, and each protection assembly comprises a first movable rod rotationally mounted on the two sides of the mounting table; second movable rods are further rotationally mounted on the two sides of the mounting table and located below the first movable rods, and protective covers are rotationally mounted at the ends, away from the mounting table, of the first movable rods and the second movable rods on the same side. According to the multi-angle cutting device, through the arranged protection assembly, people or objects are prevented from being injured or damaged due to unintentional touch, and the safety performance of the cutting device is greatly improved.

Description

Technical Field

[0001] The utility model relates to the technical field of cardboard cutting, in particular to a multi-angle cutting device. Background Art

[0002] The cutting device for the raw material board of the packaging box is a device that cuts the whole piece of cardboard into the raw material board of the packaging box. The raw material board of the packaging box becomes a packaging box after simple folding and bonding. In the production and processing of the packaging box, the raw material cardboard of the packaging box needs to be cut.

[0003] Through searching the prior art, a multi-angle cutting machine disclosed in the announcement number CN219685880U can rotate the cutting knife through the cooperation of the worm gear and the worm, and the cutting angle of the cutting knife can be adjusted arbitrarily according to needs.

[0004] However, the inventor believes that it still has the following defects:

[0005] Since the cutting tool of the cutting device is exposed, there are certain safety hazards when the device is not in use. For example, workers are easily injured when they accidentally touch the tool, and objects are easily scratched or even damaged when they accidentally bump into them. In view of this, we propose a multi-angle cutting device to solve the above problems. Utility Model Content

[0006] In view of the deficiencies of the prior art, the utility model provides a multi-angle cutting device, which solves the problem that the cutting blades of the prior art cutting devices are exposed to the outside and there are certain safety hazards when the device is not in use.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a multi-angle cutting device, comprising a base plate, a mounting plate and a cutting assembly for cutting cardboard, the mounting plate being fixedly mounted on the top of the base plate, the inner bottom wall of the mounting plate being provided with a first driving assembly for driving the cutting assembly to move up and down, the cutting assembly comprising a connecting plate, a mounting platform being fixedly mounted on the bottom of the connecting plate, a cutting knife being fixedly mounted on the bottom of the mounting platform, wherein protective assemblies are also provided on both sides of the cutting knife, the protective assemblies comprising a first movable rod rotatably mounted on both sides of the mounting platform, second movable rods are also rotatably mounted on both sides of the mounting platform and below the first movable rods, a protective cover is rotatably mounted on one end of the first movable rod and the second movable rod on the same side away from the mounting platform, and two first electric push rods are also rotatably mounted on the bottom of the connecting plate, and the output ends of the two first electric push rods are respectively rotatably connected to the outer walls of the corresponding first movable rods.

[0008] Furthermore, buffer pads are fixedly mounted on the side walls of the two protective covers on one side opposite to each other, and the two protective covers are located outside the mounting platform and the cutting knife when they are attached to each other.

[0009] Furthermore, the first driving assembly includes a cylinder fixedly mounted on the inner top wall of the mounting plate, a movable plate fixedly mounted on the output end of the cylinder, a connecting rod rotatably mounted on the bottom of the movable plate, and the connecting plate fixedly mounted on the bottom of the connecting rod.

[0010] Furthermore, a second driving assembly for driving the cutting knife to adjust the angle is provided at the bottom of the movable plate, and the second driving assembly includes a gear ring fixedly mounted on the surface of the connecting rod, and a first motor is fixedly mounted on the bottom of the movable plate, and a gear meshing with the gear ring is fixedly mounted on the output end of the first motor.

[0011] Furthermore, a fixing plate is fixedly mounted on the inner wall of the mounting plate, and an opening for discharging the cut cardboard is provided on the surface of the mounting plate.

[0012] Furthermore, a second motor is fixedly mounted on the surface of the mounting plate, a screw is fixedly mounted on the output end of the second motor, an end of the screw away from the second motor is rotatably connected to the inner wall of the mounting plate, a moving block is threadedly mounted on the surface of the screw, a movable block extending above the fixed plate is fixedly mounted on the top of the moving block, and a placement plate for placing cardboard is fixedly mounted on the top of the movable block.

[0013] Furthermore, a slide groove is provided on the surface of the fixed plate, the movable block is slidably connected to the inner wall of the slide groove, and a limiting component for limiting the cardboard is also provided on the top of the placement plate.

[0014] Furthermore, the limiting assembly includes two L-shaped plates fixedly mounted on the top of the placement plate, the inner top walls of the two L-shaped plates are fixedly mounted with second electric push rods, and the output end of the second electric push rod is fixedly mounted with the limiting plate.

[0015] Compared with the prior art, the utility model provides a multi-angle cutting device, which has the following beneficial effects:

[0016] 1. The multi-angle cutting device, through the protection component, can start the two first electric push rods to drive the corresponding first movable rods to deflect when the device is not in use, so that the two protective covers are deflected and moved in opposite directions. When the two protective covers are in contact with each other, they can surround the outside of the cutting knife to prevent people or objects from being injured or damaged by accidental contact. When the device is started, the two first electric push rods can be started to deflect and move the two protective covers in opposite directions, so as not to affect the normal operation of the cutting knife, thereby greatly improving the safety performance of the cutting device.

[0017] 2. The multi-angle cutting device starts the first motor to drive the gear to rotate through the second driving assembly, thereby driving the connecting rod to rotate through the gear ring, so that the cutting knife can rotate, thereby facilitating the adjustment of the cutting angle and improving the cutting flexibility. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is the front view of the utility model;

[0019] Figure 2 It is a cross-sectional view of the installation table, cutting knife and protection components of the utility model;

[0020] Figure 3 This is a schematic diagram of another perspective of the installation platform, cutting knife and protective assembly of the utility model;

[0021] Figure 4 This is a schematic diagram of the first drive assembly and the second drive assembly of the utility model;

[0022] Figure 5 This is a cross-sectional view of the motor, lead screw, moving block and limit assembly of the utility model.

[0023] In the figure: 1. bottom plate; 2. mounting plate; 3. connecting plate; 4. mounting table; 5. cutting knife; 6. first movable rod; 7. second movable rod; 8. protective cover; 9. first electric push rod; 10. buffer pad; 11. cylinder; 12. movable plate; 13. connecting rod; 14. gear ring; 15. first motor; 16. gear; 17. fixing plate; 18. placing plate; 19. second motor; 20. screw rod; 21. moving block; 22. movable block; 23. slide groove; 24. L-shaped plate; 25. second electric push rod; 26. limit plate; 27. opening. DETAILED DESCRIPTION

[0024] 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. 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.

[0025] See also Figure 1 A multi-angle cutting device comprises a bottom plate 1, a mounting plate 2 and a cutting assembly for cutting paperboard, wherein the mounting plate 2 is fixedly mounted on the top of the bottom plate 1, and the inner bottom wall of the mounting plate 2 is provided with a first driving assembly for driving the cutting assembly to move up and down;

[0026] The cutting assembly comprises a connecting plate 3 , a mounting platform 4 is fixedly mounted on the bottom of the connecting plate 3 , and a cutting knife 5 is fixedly mounted on the bottom of the mounting platform 4 .

[0027] See also Figure 2 and Figure 3 , wherein a protective assembly is also provided on both sides of the cutting knife 5, the protective assembly includes a first movable rod 6 rotatably installed on both sides of the mounting platform 4, and a second movable rod 7 is rotatably installed on both sides of the mounting platform 4 and below the first movable rod 6. A protective cover 8 is rotatably installed on the end of the first movable rod 6 and the second movable rod 7 on the same side away from the mounting platform 4, and two first electric push rods 9 are rotatably installed on the bottom of the connecting plate 3, and the output ends of the two first electric push rods 9 are rotatably connected to the outer walls of the corresponding first movable rods 6 respectively.

[0028] By means of the protective assembly, when the device is not in use, the two first electric push rods 9 can be started to drive the corresponding first movable rods 6 to deflect, thereby causing the two protective covers 8 to deflect and move in opposite directions. When the two protective covers 8 fit together, they can surround the outside of the cutting knife 5 to prevent people or objects from being injured or damaged by accidental contact. When the device is started, the two first electric push rods 9 can be started to cause the two protective covers 8 to deflect and move in opposite directions, thereby not affecting the normal operation of the cutting knife 5, thereby greatly improving the safety performance of the cutting device.

[0029] In this embodiment, buffer pads 10 are fixedly mounted on the side walls of the two protective covers 8 on the opposite sides. When the two protective covers 8 are attached to each other, they are located outside the mounting platform 4 and the cutting knife 5 .

[0030] The buffer pad 10 is provided to reduce the impact force generated when the two protective covers 8 are attached together, thereby extending their service life.

[0031] See also Figure 1 and Figure 4 In this embodiment, the first driving assembly includes a cylinder 11 fixedly mounted on the inner top wall of the mounting plate 2, a movable plate 12 is fixedly mounted on the output end of the cylinder 11, a connecting rod 13 is rotatably mounted on the bottom of the movable plate 12, and the connecting plate 3 is fixedly mounted on the bottom of the connecting rod 13.

[0032] The starting cylinder 11 drives the cutting knife 5 to move downward to cut the paperboard.

[0033] In this embodiment, a second driving component for driving the cutting knife 5 to adjust the angle is provided at the bottom of the movable plate 12, and the second driving component includes a gear ring 14 fixedly mounted on the surface of the connecting rod 13. A first motor 15 is fixedly mounted on the bottom of the movable plate 12, and a gear 16 meshing with the gear ring 14 is fixedly mounted on the output end of the first motor 15.

[0034] In addition, by setting up a second driving assembly, starting the first motor 15 drives the gear 16 to rotate, thereby driving the connecting rod 13 to rotate through the gear ring 14, thereby allowing the cutting knife 5 to rotate, thereby facilitating the adjustment of its cutting angle and improving its cutting flexibility.

[0035] See also Figure 5 In this embodiment, a fixing plate 17 is also fixedly installed on the inner wall of the mounting plate 2, an opening 27 for discharging the cut cardboard is opened on the surface of the mounting plate 2, a second motor 19 is fixedly installed on the surface of the mounting plate 2, a screw rod 20 is fixedly installed on the output end of the second motor 19, and one end of the screw rod 20 away from the second motor 19 is rotatably connected to the inner side wall of the mounting plate 2, a moving block 21 is threadedly installed on the surface of the screw rod 20, a movable block 22 extending above the fixed plate 17 is fixedly installed on the top of the movable block 21, and a placement plate 18 for placing cardboard is fixedly installed on the top of the movable block 22.

[0036] Among them, when the device is cutting multiple groups of stacked cardboards, after the cutting work is completed, the second motor 19 is started to drive the screw 20 to rotate, so that the moving block 21 can move, thereby moving the placement plate 18. When the placement plate 18 moves to the opening 27, it is convenient for the staff to take the cut cardboard.

[0037] In this embodiment, a slide groove 23 is provided on the surface of the fixed plate 17, and the movable block 22 is slidably connected to the inner wall of the slide groove 23. A limiting component for limiting the cardboard is also provided on the top of the placement plate 18. The limiting component includes two L-shaped plates 24 fixedly installed on the top of the placement plate 18, and the inner top walls of the two L-shaped plates 24 are fixedly installed with second electric push rods 25, and the output end of the second electric push rod 25 is fixedly installed with a limiting plate 26.

[0038] The slide groove 23 is provided to facilitate the movement of the movable block 22 and also to limit the position of the movable block 22, so that the placement plate 18 is more stable during the movement.

[0039] In addition, the second electric push rod 25 is started to drive the limiting plate 26 to move downward to limit the paperboard, so as to prevent the paperboard from being deviated during the cutting process and affecting the cutting effect.

[0040] When the present embodiment is in use, the cardboard to be cut is placed on the top of the placement plate 18, the second electric push rod 25 is started to drive the limit plate 26 to move downward to limit the cardboard to prevent it from being offset during the cutting process and affecting the cutting effect, the first motor 15 is started to drive the gear 16 to rotate, thereby driving the connecting rod 13 to rotate through the gear ring 14, so that the cutting knife 5 can rotate, and after adjusting to a suitable angle, the cylinder 11 is started to drive the cutting knife 5 to move downward to cut the cardboard; after the cutting is completed, the second motor 19 is started to drive the screw rod 20 to rotate to move the moving block 21, thereby moving the placement plate 18, and when the placement plate 18 moves to the opening 27, it is convenient for the staff to take the cut cardboard.

[0041] When the device is not in use, the two first electric push rods 9 are started to drive the corresponding first movable rods 6 to deflect, so that the two protective covers 8 are deflected and moved in opposite directions. When the two protective covers 8 are in contact with each other, they can surround the outside of the cutting knife 5 to prevent people or objects from being injured or damaged by accidental contact. When the device is started, the two first electric push rods 9 can be started to make the two protective covers 8 deflect and move in opposite directions, so as not to affect the normal operation of the cutting knife 5, thereby greatly improving the safety performance of the cutting device.

[0042] The electrical components appearing in the article are all electrically connected to the main controller and the power supply. The main controller can be a conventional known device for control such as a computer, and the existing public power connection technology is not described in detail in the article.

[0043] The above description is only an embodiment of the present invention and is not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and variations. Any modification, equivalent substitution, improvement, etc. made within the spirit and principle of the present invention shall be included in the scope of the claims of the present invention.

Claims

1. A multi-angle cutting device, comprising a base plate (1), a mounting plate (2) and a cutting assembly for cutting cardboard, characterized in that: The mounting plate (2) is fixedly mounted on the top of the bottom plate (1), and the inner bottom wall of the mounting plate (2) is provided with a first driving component for driving the cutting component to move up and down; The cutting assembly comprises a connecting plate (3), a mounting platform (4) is fixedly mounted on the bottom of the connecting plate (3), a cutting knife (5) is fixedly mounted on the bottom of the mounting platform (4), and protective assemblies are further arranged on both sides of the cutting knife (5); The protective assembly comprises a first movable rod (6) rotatably mounted on both sides of the mounting platform (4); a second movable rod (7) is rotatably mounted on both sides of the mounting platform (4) and below the first movable rod (6); a protective cover (8) is rotatably mounted on one end of the first movable rod (6) and the second movable rod (7) on the same side away from the mounting platform (4); and two first electric push rods (9) are rotatably mounted on the bottom of the connecting plate (3); the output ends of the two first electric push rods (9) are rotatably connected to the outer walls of the corresponding first movable rods (6), respectively.

2. The multi-angle cutting device according to claim 1, characterized in that: A buffer pad (10) is fixedly mounted on the side walls of the two protective covers (8) on the opposite side, and the two protective covers (8) are located outside the mounting platform (4) and the cutting knife (5) when they are attached to each other.

3. The multi-angle cutting device according to claim 1, characterized in that: The first driving assembly comprises a cylinder (11) fixedly mounted on the inner top wall of the mounting plate (2); a movable plate (12) is fixedly mounted on the output end of the cylinder (11); a connecting rod (13) is rotatably mounted on the bottom of the movable plate (12); and the connecting plate (3) is fixedly mounted on the bottom of the connecting rod (13).

4. The multi-angle cutting device according to claim 3, characterized in that: A second driving assembly for driving the cutting knife (5) to adjust its angle is arranged at the bottom of the movable plate (12), the second driving assembly comprising a toothed ring (14) fixedly mounted on the surface of the connecting rod (13), a first motor (15) fixedly mounted on the bottom of the movable plate (12), and a gear (16) meshing with the toothed ring (14) fixedly mounted on the output end of the first motor (15).

5. The multi-angle cutting device according to claim 1, characterized in that: A fixing plate (17) is also fixedly mounted on the inner wall of the mounting plate (2), and an opening (27) for discharging cut paperboard is provided on the surface of the mounting plate (2).

6. The multi-angle cutting device according to claim 5, characterized in that: A second motor (19) is fixedly mounted on the surface of the mounting plate (2); a screw rod (20) is fixedly mounted on the output end of the second motor (19); an end of the screw rod (20) away from the second motor (19) is rotatably connected to the inner wall of the mounting plate (2); a moving block (21) is threadedly mounted on the surface of the screw rod (20); a movable block (22) extending above the fixed plate (17) is fixedly mounted on the top of the movable block (21); and a placement plate (18) for placing cardboard is fixedly mounted on the top of the movable block (22).

7. The multi-angle cutting device according to claim 6, characterized in that: A sliding groove (23) is provided on the surface of the fixed plate (17), the movable block (22) is slidably connected to the inner wall of the sliding groove (23), and a limiting component for limiting the position of the cardboard is also provided on the top of the placement plate (18).

8. The multi-angle cutting device according to claim 7, characterized in that: The limiting assembly comprises two L-shaped plates (24) fixedly mounted on the top of the placement plate (18), the inner top walls of the two L-shaped plates (24) are fixedly mounted with a second electric push rod (25), and the output end of the second electric push rod (25) is fixedly mounted with a limiting plate (26).

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