Coil cutting mechanism

Abstract

The utility model discloses a roll cutting mechanism which comprises a frame, a moving assembly and a cutting assembly, the cutting assembly comprises a plurality of circular knives and first motors, the first motors drive the circular knives to cut roll materials one by one, the first motors are all fixed on the frame, and the circular knives are arranged on rotating shafts of the first motors; the moving assembly comprises a lead screw driving the frame and a second motor driving the lead screw, the lead screw is connected with the frame in a sliding mode, and a rotating shaft of the second motor is connected with the lead screw. And each circular knife is driven by one motor, so that the cutting force is large, and the cutting precision is higher.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of coiled material processing, especially to a cutting mechanism. BACKGROUND

[0002] In industrial production, coiled materials including adhesive tapes, plastic bags and tubular materials are common products or semi-finished products. When producing these coiled materials, cutting is often needed due to irregularity or large volume of the coiled materials.

[0003] The existing cutting device or mechanism is driven by a motor to cut with multiple circular knives. Such cutting device has small cutting force and the circular knives are not easy to move, resulting in low cutting precision. UTILITY MODEL CONTENT

[0004] In order to overcome the deficiencies of the prior art, the utility model aims to provide a cutting mechanism, each circular knife of which is driven by a motor, so that the cutting force is large and the cutting precision is high.

[0005] The utility model achieves the above-mentioned purpose by adopting the following technical solutions.

[0006] The cutting mechanism comprises a frame, a moving assembly and a cutting assembly. The cutting assembly comprises multiple circular knives and a first motor for driving the circular knives to cut coiled materials. The first motor is fixed on the frame, and the circular knives are arranged on the rotating shaft of the first motor. The moving assembly comprises a lead screw for driving the frame and a second motor for driving the lead screw. The lead screw is in sliding connection with the frame, and the rotating shaft of the second motor is connected with the lead screw.

[0007] Preferably, the frame comprises a support plate and a seat plate in rotational connection with the support plate. The first motor is fixed on the seat plate, and the lead screw is in sliding connection with the support plate.

[0008] Preferably, the cutting mechanism further comprises a swing angle assembly for driving the seat plate to rotate. The swing angle assembly comprises a third motor, a first gear and a second gear in meshing connection with the first gear. The first gear is in rotational connection with the support plate, the second gear is fixedly connected with the seat plate, and the rotating shaft of the third motor is connected with the first gear.

[0009] Preferably, the swing angle assembly further comprises a gear shaft and a locking shaft. The first gear is in rotational connection with the support plate through the gear shaft, and the seat plate is in rotational connection with the support plate through the locking shaft.

[0010] Preferably, the swing angle assembly further comprises a support plate and a swing plate, the support plate is fixedly connected with the support plate, the support plate is attached to the swing plate, and the seat plate is rotatably connected with the locking shaft through the swing plate.

[0011] Preferably, the first gear is a circular gear, the second gear is a helical gear, and the first motor, the second motor and the third motor are all servo motors.

[0012] Preferably, the cutting assembly further comprises a motor seat and a positioning member for positioning the motor seat, the first motor is slidably connected with the seat plate through the motor seat, and the motor seat is connected with the seat plate through the positioning member.

[0013] Preferably, the cutting assembly further comprises a first synchronous belt and a cutter shaft, the first motor is rotatably connected with the cutter shaft through the first synchronous belt, and the circular knife is rotatably connected with the seat plate through the cutter shaft.

[0014] Preferably, the moving assembly further comprises a sliding block and two slide rails, the two slide rails are arranged on the two sides of the support plate respectively, the cutting assembly is arranged between the two slide rails, and the lead screw is slidably connected with the support plate through the sliding block.

[0015] Preferably, the moving assembly further comprises a second synchronous belt, the second motor is rotatably connected with the lead screw through the second synchronous belt, and the lead screw is a ball screw.

[0016] Compared with the prior art, the utility model has the advantages that:

[0017] The cutting mechanism disclosed in the application comprises a plurality of circular knives and a first motor for driving the circular knives to cut, wherein each first motor drives one circular knife to cut the roll material, and the cutting force is large; and the cutting mechanism further comprises a lead screw for driving the frame, the lead screw can drive the frame to slide, the cutting assembly can slide, and the circular knives can accurately cut the roll material. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a three-dimensional structure schematic view of the cutting mechanism of the utility model;

[0019] Figure 2 It is another perspective three-dimensional structure schematic view of the cutting mechanism of the utility model;

[0020] Figure 3 It is Figure 2 It is an enlarged structure schematic view of position A in the middle;

[0021] Figure 4 It is another perspective three-dimensional structure schematic view of the cutting mechanism of the utility model.

[0022] Fig. 10, frame; 11, bottom plate; 12, support plate; 20, cutting assembly; 21, circular knife; 22, first motor; 23, positioning piece; 231, positioning block; 24, knife shaft; 25, motor seat; 26, first synchronous belt; 30, moving assembly; 31, lead screw; 32, second motor; 33, slide rail; 34, second synchronous belt; 35, sliding block; 40, swing angle assembly; 41, locking shaft; 42, support plate; 43, swing angle plate; 44, third motor; 45, first gear; 46, second gear; 47, gear shaft. DETAILED DESCRIPTION

[0023] The utility model will be further described below in combination with the drawings and specific embodiments:

[0024] In the description of the utility model, it should be pointed out that the terms "upper", "lower", "left", "right", "horizontal" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship commonly used when the product is used, and are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the indicated device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the utility model. In addition, the terms "first", "second", "third" and the like are only used for differentiation in description, and cannot be understood as indicating or implying relative importance.

[0025] Embodiment one

[0026] As shown in Figures 1-2 The cutting mechanism disclosed by the present application comprises a frame 10, a cutting assembly 20 and a moving assembly 30. The cutting assembly 20 comprises a plurality of circular knives 21 and a first motor 22 for driving the circular knives 21 to cut the roll material. The first motor 22 is fixed on the frame 10, and the circular knives 21 are arranged on the rotating shaft of the first motor 22. The moving assembly 30 comprises a lead screw 31 for driving the frame 10 and a second motor 32 for driving the lead screw 31. The lead screw 31 is in sliding connection with the frame 10, and the rotating shaft of the second motor 32 is connected with the lead screw 31.

[0027] In the above embodiment, the cutting assembly 20 comprises a plurality of circular knives 21 and a first motor 22 for driving the circular knives 21 to cut, wherein each first motor 22 drives one circular knife 21 to cut the roll material, and the cutting force is large and the cutting is easy; and the moving assembly 30 further comprises a lead screw 31 for driving the frame 10 and a second motor 32 for driving the lead screw 31 to rotate, the lead screw 31 drives the frame 10 to slide, and the cutting assembly 20 on the frame 10 slides, and the circular knives 21 slide to the cutting position of the roll material, so that the roll material can be accurately cut.

[0028] In the above embodiment, the frame 10 comprises a support plate 12 and a seat plate 11 rotatably connected with the support plate 12, the first motor 22 is fixed on the seat plate 11, and the lead screw 31 is slidably connected with the support plate 12, so that the positions of the first motor 22 and the circular knife 21 can be better adjusted, and the roll material can be more accurately cut.

[0029] Embodiment two

[0030] In a preferred embodiment, as shown in Figures 1-3 the cutting mechanism further comprises a swing angle assembly 40 for driving the seat plate 11 to rotate, the swing angle assembly 40 comprises a third motor 44, a first gear 45 and a second gear 46 engaged with the first gear 45, the first gear 45 is rotatably connected with the support plate 12, the second gear 46 is fixedly connected with the seat plate 11, and the rotating shaft of the third motor 44 is connected with the first gear 45. Preferably, the swing angle assembly 40 further comprises a locking shaft 41, a support plate 42, a swing angle plate 43 and a gear shaft 47, the first gear 45 is rotatably connected with the support plate 12 through the gear shaft 47, and the seat plate 11 is rotatably connected with the support plate 12 through the locking shaft 41. The support plate 42 is fixedly connected with the support plate 12, the support plate 42 is attached to the swing angle plate 43, and the seat plate 11 is rotatably connected with the locking shaft 41 through the swing angle plate 43.

[0031] In the above embodiment, the third motor 44 rotates to drive the first gear 45 to rotate, the first gear 45 in turn drives the second gear 46 to rotate (or slide), and drives the seat plate 11 and the cutting assembly 20 on the seat plate 11 to rotate, so that the circular knife 21 can more accurately cut the roll material. The locking shaft 41 can also prevent the seat plate 11 from loosening with the support plate 12. The swing angle plate 43 facilitates the rotation of the seat plate 11, the attachment of the support plate 42 to the swing angle plate 43 can prevent the swing angle plate 43 from deviating, and the gear shaft 47 facilitates the first gear 45 and can also prevent the first gear 45 from deviating.

[0032] In order to prevent the rotating speed of the seat plate 11 from being too fast and not easy to control, the first gear 45 is a round gear and the second gear 46 is a helical gear; in order to better control the moving and cutting speed, the first motor 22, the second motor 22 and the third motor 44 are all servo motors, and the first motor 22 and the third motor 44 are required to be fixedly connected with external parts (cutting device) or wall body.

[0033] Embodiment three

[0034] In a preferred embodiment, as shown in Figures 2-4 The cutting assembly 20 further comprises a motor base 25, a first synchronous belt 26, a cutter shaft 24 and a positioning piece 23 for positioning the motor base 25, the first motor 22 is slidably connected with the seat plate 11 through the motor base 25, and the motor base 25 is connected with the seat plate 11 through the positioning piece 23. The first motor 22 is rotationally connected with the cutter shaft 24 through the first synchronous belt 26, and the circular cutter 21 is rotationally connected with the seat plate 11 through the cutter shaft 24.

[0035] In the above embodiment, the motor base 25 is conducive to the installation of the first motor 22, the first synchronous belt 26 is conducive to the driving of the cutter shaft 24 and can also reduce noise, the cutter shaft 24 is conducive to the installation of the circular cutter, and the circular cutter can be a sandstone sheet. The first motor 22 is slidably connected with the seat plate 11, which is conducive to the adjustment of the position of the first motor 22. The positioning piece 23 can prevent the circular cutter 21 from sliding with the first motor 22 during cutting, and the positioning piece 23 is connected with the bottom plate 11 through a positioning block 231.

[0036] Embodiment four

[0037] In a preferred embodiment, as shown in Figures 2-4 The moving assembly 30 further comprises two slide rails 33, a second synchronous belt 34 and a sliding block 35, the two slide rails 33 are respectively arranged on the two sides of the support plate 12, the cutting assembly 20 is arranged between the two slide rails 33, and the lead screw 31 is slidably connected with the support plate 12 through the sliding block 35. The second motor 32 is rotationally connected with the lead screw 31 through the second synchronous belt 34.

[0038] In the above embodiment, the support plate 12 is connected with external parts or wall body through the two slide rails 33, and the two slide rails 33 are more conducive to the sliding of the support plate 12; the second synchronous belt 34 is conducive to the uniform rotation of the circular cutter 21 and can also reduce noise. The lead screw 31 is sleeved with the sliding block 35, which is conducive to the sliding of the lead screw 31 along the support plate 12, and preferably, the lead screw 31 is a ball screw. In order to facilitate the balance of the center of gravity, the support plate 12 is a U-shaped plate, and the two slide rails 33 are respectively arranged on the two sides of the support plate 12.

[0039] Through the first motor 22 driving a circular cutter 21 to cut the roll material, the cutting force is large; through the moving assembly moving the frame 10 and the swing angle assembly rotating and adjusting the angle of the seat plate 11, the roll material can be more accurately cut, and the automatic roll cutting can be realized.

[0040] For those skilled in the art, other various corresponding changes and transformations can be made according to the technical solutions and concepts described above, and all these changes and transformations should belong to the protection scope of the present application.

Claims

1. A cutting mechanism comprising a frame, a moving assembly and a cutting assembly, characterized in that: The cutting assembly comprises a plurality of circular knives and a first motor driving the circular knives to cut the roll material, the first motor is fixed on the frame, and the circular knives are arranged on the rotating shaft of the first motor; the moving assembly comprises a lead screw driving the frame and a second motor driving the lead screw, the lead screw is in sliding connection with the frame, and the rotating shaft of the second motor is connected with the lead screw.

2. The cutting mechanism of claim 1, wherein: The frame comprises a support plate and a seat plate in rotary connection with the support plate, the first motor is fixed on the seat plate, and the lead screw is in sliding connection with the support plate.

3. The cutting mechanism of claim 2, wherein: The roll cutting mechanism further comprises a swing angle assembly driving the seat plate to rotate, the swing angle assembly comprises a third motor, a first gear and a second gear in meshing connection with the first gear, the first gear is in rotary connection with the support plate, the second gear is fixedly connected with the seat plate, and the rotating shaft of the third motor is connected with the first gear.

4. The cutting mechanism of claim 3, wherein: The swing angle assembly further comprises a gear shaft and a locking shaft, the first gear is in rotary connection with the support plate through the gear shaft, and the seat plate is in rotary connection with the support plate through the locking shaft.

5. The cutting mechanism of claim 4, wherein: The swing angle assembly further comprises a support plate and a swing angle plate, the support plate is fixedly connected with the support plate, the support plate is in close contact with the swing angle plate, and the seat plate is in rotary connection with the locking shaft through the swing angle plate.

6. The cutting mechanism of claim 5, wherein: The first gear is a circular gear, the second gear is a helical gear, and the first motor, the second motor and the third motor are all servo motors.

7. The cutting mechanism of claim 2, wherein: The cutting assembly further comprises a motor base and a positioning member for positioning the motor base, the first motor is in sliding connection with the seat plate through the motor base, and the motor base is connected with the seat plate through the positioning member.

8. The cutting mechanism of claim 7, wherein: The cutting assembly further comprises a first synchronous belt and a knife shaft, the first motor is in rotary connection with the knife shaft through the first synchronous belt, and the circular knife is in rotary connection with the seat plate through the knife shaft.

9. The cutting mechanism of claim 2, wherein: The moving assembly further comprises a sliding block and two slide rails, the two slide rails are arranged on the two sides of the support plate respectively, the cutting assembly is arranged between the two slide rails, and the lead screw is in sliding connection with the support plate through the sliding block.

10. The cutting mechanism of claim 9, wherein: The moving assembly further comprises a second synchronous belt, the second motor is in rotary connection with the lead screw through the second synchronous belt, and the lead screw is a ball screw.

Images