Carton cutting device

Abstract

The utility model discloses a carton cutting device, which relates to the technical field of carton cutting and comprises a fixed frame, a movable frame is arranged in the fixed frame, a clamping mechanism is arranged at the bottom end in the fixed frame, a lead screw is rotatably connected in the movable frame, a sliding block is in threaded connection with the lead screw, and a second motor is fixedly arranged in the sliding block. And an output shaft of the second motor penetrates through the side wall of the sliding block and is fixedly connected with a protection shell, a third motor is fixedly arranged in the protection shell, an output shaft of the third motor is fixedly connected with a cutting blade, and the clamping mechanism comprises two electric push rods which are symmetrically arranged. The problems that a carton is prone to shaking, and a cutting blade can only cut out transverse lineation and cannot cut out inclined lineation are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of carton cutting, in particular to a carton cutting device. Background Technique

[0002] A carton cutting device is a device used for cutting cartons, usually used in the packaging industry. It can quickly and accurately cut cartons to meet the packaging requirements of different sizes and shapes. A carton cutting device usually consists of components such as a cutting tool, a control system, and a conveying system, and can automatically complete the cutting task, improving production efficiency and product quality.

[0003] The Chinese utility model with the publication number CN220008969U proposes an automatic carton cutting device: when a user needs to cut a carton, the user needs to place the carton on the object main body, and the user needs to turn on the motor. After the motor starts, it can drive the cutting piece fixedly connected to its output shaft through a coupling to rotate.

[0004] The prior art has the following defects:

[0005] 1. When placing the carton on the object main body, the carton is not fixed, and when cutting the carton, the carton is prone to shaking.

[0006] 2. The cutting piece can only move in the vertical direction, and the angle of the cutting piece cannot rotate, which means that the cutting piece can only cut out horizontal score lines and cannot cut out inclined score lines. Content of the Utility Model

[0007] The utility model aims to solve at least one of the technical problems existing in the prior art. For this reason, the utility model proposes a carton cutting device, which solves the problems that when cutting a carton in the prior art, the carton is prone to shaking, and the cutting piece can only cut out horizontal score lines and cannot cut out inclined score lines.

[0008] To achieve the above object, according to an embodiment of the first aspect of the utility model, a carton cutting device is proposed, including: a fixed frame, a moving frame is arranged inside the fixed frame, a clamping mechanism is arranged at the bottom end inside the fixed frame, a lead screw is rotatably connected inside the moving frame, a slider is threadedly connected to the lead screw, a second motor is fixedly arranged inside the slider, the output shaft of the second motor passes through the side wall of the slider and is fixedly connected to a protective shell, a third motor is fixedly arranged inside the protective shell, the output shaft of the third motor is fixedly connected to a cutting piece, and the clamping mechanism includes two symmetrically arranged electric push rods.

[0009] As a further solution of the utility model: a cylinder is fixedly arranged on the inner wall of the upper end of the fixed frame, the output end of the cylinder is slidably connected with a moving frame, a hydraulic cylinder is fixedly arranged on the inner wall of the rear end of the fixed frame, and the output end of the hydraulic cylinder is slidably connected with the outer side wall of the rear end of the moving frame. A first motor is fixedly arranged inside the moving frame, and one end of the output shaft of the first motor is fixedly connected with one end of a lead screw. A notch is formed at the lower end of the moving frame, and a slider passes through the notch and extends to the outside. The size of the notch is adapted to the moving track of the slider.

[0010] As a further solution of the utility model: limiting rods are fixedly connected to the front and rear outer side walls of the slider, and horizontal limiting grooves are formed in the inner walls of the front and rear ends of the moving frame. The limiting rods of the slider are slidably connected in the limiting grooves of the moving frame.

[0011] As a further solution of the utility model: the inside of the slider is hollow, and the output shaft of the third motor passes through the side wall of the protective shell.

[0012] As a further solution of the utility model: the fixed end of the electric push rod is fixedly connected to the inner wall of the fixed frame, the telescopic end of the electric push rod is fixedly connected with a connecting plate, a lower clamping plate is fixedly connected to the side surface of the connecting plate and near the bottom end, a fixing plate is fixedly connected to the side surface of the connecting plate and near the top end, a screw rod is threadedly connected to the fixing plate, the screw rod penetrates through the fixing plate, the bottom end of the screw rod is rotatably connected with an upper clamping plate, and the side surface of the upper clamping plate is slidably connected with the fixing plate.

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

[0014] 1. When it is necessary to cut a cardboard box, start the electric push rod. The telescopic end of the electric push rod drives the connecting plate to move towards the inside of the fixed frame until the distance between the two connecting plates is adapted to the size of the cardboard box. Place the cardboard box on the two lower clamping plates, and at the same time, rotate the two screw rods downward. The screw rods drive the corresponding upper clamping plates to move downward until the upper clamping plates and the lower clamping plates cooperate with each other to clamp the end of the cardboard box.

[0015] 2. When it is necessary to cut an inclined marking line on the cardboard box, start the second motor. The output shaft of the second motor drives the protective shell, the third motor, and the cutting blade to rotate as a whole. Rotate the cutting blade to be parallel to the marking line. Start the hydraulic cylinder so that the moving frame and the cutting blade can move in the front and rear directions as a whole. Start the first motor so that the slider and the cutting blade can move in the left and right directions. The cutting blade can be moved to a position directly above the position where the inclined marking line needs to be cut, and then the cutting work can be carried out. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 is a schematic structural diagram of the utility model;

[0017] Figure 2 is an enlarged view of part A of the utility model.

[0018] In the figure: 1. Fixed frame; 2. Electric push rod; 3. Connecting plate; 4. Fixed plate; 5. Screw; 6. Upper clamping plate; 7. Lower clamping plate; 8. Moving frame; 9. Lead screw; 10. Cylinder; 11. First motor; 12. Slide block; 13. Second motor; 14. Third motor; 15. Cutting blade. Specific embodiments

[0019] Next, the technical solutions of the present invention will be clearly and completely described in conjunction with the embodiments. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work shall fall within the protection scope of the present invention.

[0020] As Figure 1-2 shown, a carton cutting device includes: a fixed frame 1, a moving frame 8 is arranged inside the fixed frame 1, and a clamping mechanism is arranged at the bottom end inside the fixed frame 1. The clamping mechanism is used to fix the carton to prevent the carton from shaking during the working process.

[0021] The inner wall of the upper end of the fixed frame 1 is fixedly provided with a cylinder 10, the output end of the cylinder 10 is slidably connected to the moving frame 8, the inner wall of the rear end of the fixed frame 1 is fixedly provided with a hydraulic cylinder, and the output end of the hydraulic cylinder is slidably connected to the outer side wall of the rear end of the moving frame 8. A first motor 11 is fixedly arranged inside the moving frame 8, a lead screw 9 is rotatably connected inside the moving frame 8, and one end of the output shaft of the first motor 11 is fixedly connected to the lead screw 9. A slide block 12 is threadedly connected to the lead screw 9. A notch is opened at the lower end of the moving frame 8, and the slide block 12 passes through the notch and extends to the outside. The size of the notch is adapted to the moving track of the slide block 12.

[0022] Limit rods are fixedly connected to the front and rear outer side walls of the slide block 12, and horizontal limit grooves are opened on the front and rear inner walls of the moving frame 8. The limit rods of the slide block 12 are slidably connected in the limit grooves of the moving frame 8.

[0023] The inside of the slide block 12 is hollow, a second motor 13 is fixedly arranged inside the slide block 12, the output shaft of the second motor 13 passes through the side wall of the slide block 12 and is fixedly connected with a protective shell, and a third motor 14 is fixedly arranged inside the protective shell. The output shaft of the third motor 14 passes through the side wall of the protective shell and is fixedly connected with a cutting blade 15.

[0024] The clamping mechanism includes two electric push rods 2 symmetrically arranged. The fixed ends of the electric push rods 2 are fixedly connected to the inner wall of the fixed frame 1, and the telescopic ends of the electric push rods 2 are fixedly connected to a connecting plate 3. A lower clamping plate 7 is fixedly connected to the side of the connecting plate 3 near the bottom end, and a fixing plate 4 is fixedly connected to the side of the connecting plate 3 near the top end. A screw rod 5 is threadedly connected to the fixing plate 4. The screw rod 5 penetrates through the fixing plate 4, and the bottom end of the screw rod 5 is rotatably connected to an upper clamping plate 6. The side of the upper clamping plate 6 is slidably connected to the fixing plate 4.

[0025] Working principle:

[0026] When the cardboard box needs to be cut, the distance between the two connecting plates 3 is set in advance according to the size of the cardboard box. The electric push rods 2 are started, and the telescopic ends of the electric push rods 2 drive the connecting plates 3 to move towards the inside of the fixed frame 1 until the distance between the two connecting plates 3 fits the size of the cardboard box. The cardboard box is placed on the two lower clamping plates 7. At the same time, the two screw rods 5 are rotated downwards, and the screw rods 5 drive the corresponding upper clamping plates 6 to move downwards until the upper clamping plates 6 and the lower clamping plates 7 cooperate with each other to clamp the end of the cardboard box.

[0027] The first motor 11 is started, and the output shaft of the first motor 11 drives the lead screw 9 to rotate, moving the slider 12 and the cutting blade 15 to a suitable position in the horizontal direction. The cylinder 10 is started, and the output end of the cylinder 10 drives the moving frame 8 and the cutting blade 15 to move downwards to a suitable distance. The third motor 14 is started, and the output shaft of the third motor 14 drives the cutting blade 15 to rotate to cut the surface of the cardboard box.

[0028] When an inclined marking needs to be cut on the cardboard box, the second motor 13 is started, and the output shaft of the second motor 13 drives the protective shell, the third motor 14, and the cutting blade 15 to rotate as a whole, rotating the cutting blade 15 to be parallel to the marking. The hydraulic cylinder is started to enable the moving frame 8 and the cutting blade 15 to move in the front-back direction as a whole. The first motor 11 is started to enable the slider 12 and the cutting blade 15 to move in the left-right direction, and the cutting blade 15 can be moved to a position directly above the position where the inclined marking needs to be cut, and then the cutting work can be carried out.

[0029] The above embodiments are only used to illustrate the technical method of the present invention rather than to limit it. Although the present invention has been described in detail with reference to the preferred embodiments, those of ordinary skill in the art should understand that the technical method of the present invention can be modified or equivalently replaced without departing from the spirit and scope of the technical method of the present invention.

Claims

1. A carton cutting device, characterized in that, Including: A fixed frame (1), inside which there is a movable frame (8). At the bottom end inside the fixed frame (1), there is a clamping mechanism. Inside the movable frame (8), a lead screw (9) is rotatably connected. A slider (12) is threadedly connected to the lead screw (9). Inside the slider (12), a second motor (13) is fixedly arranged. The output shaft of the second motor (13) passes through the side wall of the slider (12) and is fixedly connected to a protective shell. Inside the protective shell, a third motor (14) is fixedly arranged. The output shaft of the third motor (14) is fixedly connected to a cutting disc (15). The clamping mechanism includes two symmetrically arranged electric push rods (2).

2. The carton cutting device according to claim 1, characterized in that, At the upper inner wall of the fixed frame (1), a cylinder (10) is fixedly arranged. The output end of the cylinder (10) is slidably connected to the movable frame (8). At the rear inner wall of the fixed frame (1), a hydraulic cylinder is fixedly arranged. The output end of the hydraulic cylinder is slidably connected to the outer side wall of the rear end of the movable frame (8). Inside the movable frame (8), a first motor (11) is fixedly arranged. The output shaft of the first motor (11) is fixedly connected to one end of the lead screw (9). At the lower end of the movable frame (8), there is a notch. The slider (12) passes through the notch and extends to the outside. The size of the notch is adapted to the movement track of the slider (12).

3. The carton cutting device according to claim 2, characterized in that, On the front and rear outer side walls of the slider (12), limiting rods are fixedly connected. On the front and rear inner walls of the movable frame (8), horizontal limiting grooves are provided. The limiting rods of the slider (12) are slidably connected in the limiting grooves of the movable frame (8).

4. A carton cutting device according to claim 1, characterized in that, The inside of the slider (12) is hollow, and the output shaft of the third motor (14) passes through the side wall of the protective shell.

5. A carton cutting device according to claim 1, characterized in that, The fixed end of the electric push rod (2) is fixedly connected to the inner wall of the fixed frame (1). The telescopic end of the electric push rod (2) is fixedly connected to a connecting plate (3). At a position near the bottom end on the side of the connecting plate (3), a lower clamping plate (7) is fixedly connected. At a position near the top end on the side of the connecting plate (3), a fixing plate (4) is fixedly connected. A screw rod (5) is threadedly connected to the fixing plate (4). The screw rod (5) penetrates through the fixing plate (4). The bottom end of the screw rod (5) is rotatably connected to an upper clamping plate (6). The side of the upper clamping plate (6) is slidably connected to the fixing plate (4).

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