A non-woven fabric precision cutting device

Abstract

The utility model discloses a non-woven fabric precision slitting device, including a frame, a first transmission roller and a second transmission roller are rotatably connected to the frame, a slitting mechanism is arranged between the second transmission roller and the first transmission roller, the slitting mechanism includes a slitting roller and a main shaft, the main shaft is fixedly connected to the frame, the slitting roller is rotatably connected to the frame, 25 closed ring-shaped cutting grooves are provided on the side of the slitting roller, and the spacing between two adjacent cutting grooves is equal; the main shaft is provided with a fixed slitting knife respectively inserted into the first cutting groove and the 25th cutting groove, the fixed slitting knife is fixedly connected to the main shaft, the main shaft is provided with a movable slitting knife respectively inserted into the second cutting groove to the 24th cutting groove, each movable slitting knife is matched with an adjusting arm rotatably connected to the main shaft, and the movable slitting knife is arranged on the adjusting arm. The slitting device has the characteristics of diverse slitting modes and high slitting accuracy, perfect overall functions and strong practicality.

Description

Technical Field

[0001] The utility model relates to the technical field of textile machinery, and more specifically, to a non-woven fabric precision slitting device. Background Art

[0002] Non-woven fabrics are now mostly used to make soft face towels. They have the advantages of high production efficiency and can significantly reduce the unit price of products. Since such non-woven fabrics have certain tension and elasticity, it is difficult to control the slitting accuracy, resulting in large width errors of the non-woven fabrics cut into strips, and poor overall effect. Based on this, the utility model proposes a non-woven fabric precision slitting device. Utility Model Content

[0003] The purpose of the utility model is to overcome the deficiencies in the prior art and provide a non-woven fabric precision slitting device, which has the characteristics of diverse slitting modes and high slitting accuracy.

[0004] In order to solve the above technical problems, the purpose of the utility model is achieved as follows: the utility model involves a non-woven fabric precision slitting device, including a frame, a first transmission roller and a second transmission roller are rotatably connected to the frame, a slitting mechanism is arranged between the second transmission roller and the first transmission roller, the slitting mechanism includes a slitting roller arranged on one side of the fabric, and a main shaft arranged on the other side of the fabric, the main shaft is fixedly connected to the frame, the slitting roller is rotatably connected to the frame, and 25 closed ring-shaped cutting grooves are opened on the side of the slitting roller, and the spacing between two adjacent cutting grooves is equal;

[0005] The main shaft is provided with fixed slitting knives which are respectively inserted into the 1st cutting groove and the 25th cutting groove, and the fixed slitting knives are fixedly connected to the main shaft. The main shaft is provided with movable slitting knives which are respectively inserted into the 2nd cutting groove to the 24th cutting groove, and each of the movable slitting knives is matched with an adjusting arm rotatably connected to the main shaft, and the movable slitting knives are arranged on the adjusting arm.

[0006] The utility model is further configured as follows: an upper positioning round rod is provided above the adjusting arm, and a lower positioning round rod is provided below the adjusting arm, the lower positioning round rod and the upper positioning round rod are both fixedly connected to the frame, the axes of the upper positioning round rod and the lower positioning round rod are both arranged on a construction circle with the axis of the main shaft as the center, an upper positioning groove for the upper positioning round rod to be inserted into the upper side of the adjusting arm, and a lower positioning groove for the lower positioning round rod to be inserted into the lower side;

[0007] When the upper positioning round rod is arranged in the upper positioning groove, the movable slitting knife is not inserted into the slitting knife groove;

[0008] When the lower positioning round rod is arranged in the lower positioning groove, the movable slitting knife is inserted into the cutting knife groove.

[0009] The utility model is further configured as follows: an upper C-shaped spring clip for clamping an upper positioning round rod is arranged in the upper positioning groove; and a lower C-shaped spring clip for clamping a lower positioning round rod is arranged in the lower positioning groove.

[0010] The utility model is further configured as follows: the clamping openings of the upper C-shaped spring clamp and the lower C-shaped spring clamp are both expanded.

[0011] The utility model is further configured as follows: the upper positioning round rod and the lower positioning round rod are both ferromagnetic, and magnets are embedded in the bottoms of the upper positioning groove and the lower positioning groove.

[0012] The utility model is further configured as follows: an extension arm extending away from the axis is provided at one end of the adjustment arm, and an adjustment handle is provided on the extension arm.

[0013] To sum up, the utility model has the following beneficial effects: the non-woven fabric precision slitting device involved in the utility model has 23 movable slitting knives evenly distributed between 2 fixed slitting knives, and the movable slitting knives can be switched between upper and lower positions. Through different combinations of the movable slitting knives, the non-woven fabric can be divided into two, three, four, six, eight, twelve and twenty-four equal parts. Moreover, since the axial position of the slitting knife is fixed, the slitting accuracy can be guaranteed, the slitting modes are diverse, the slitting accuracy is high, the overall function is perfect, and the practicability is strong. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0015] Figure 2 It is a structural schematic diagram of another state of the utility model;

[0016] Figure 3 It is a partial structural schematic diagram of the utility model;

[0017] Figure 4 It is a partial structural schematic diagram of the utility model;

[0018] Figure 5 It is a structural schematic diagram of the utility model for reflecting the extension arm and the adjustment handle. DETAILED DESCRIPTION

[0019] In order to enable those skilled in the art to better understand the technical solution of the utility model, the preferred implementation scheme of the utility model is described below in conjunction with specific embodiments, but it should be understood that these descriptions are only for further illustrating the features and advantages of the utility model, rather than limiting the patent requirements of the utility model. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in the field without creative work are within the scope of protection of the utility model.

[0020] The utility model is further described below in conjunction with the accompanying drawings and preferred embodiments.

[0021] Example 1

[0022] See also Figures 1 to 4 As shown, a non-woven fabric precision slitting device involved in this embodiment includes a frame (not shown), a first transmission roller 1 and a second transmission roller 2 are rotatably connected to the frame, a slitting mechanism is provided between the second transmission roller 2 and the first transmission roller 1, the slitting mechanism includes a slitting roller 3 provided on one side of the fabric, and a main shaft 4 provided on the other side of the fabric, the main shaft 4 is fixedly connected to the frame, the slitting roller 3 is rotatably connected to the frame, and 25 closed ring-shaped cutting grooves 5 are provided on the side of the slitting roller 3, and the spacing between two adjacent cutting grooves 5 is equal;

[0023] The main shaft 4 is provided with fixed slitting knives 6 which are respectively inserted into the 1st cutting groove and the 25th cutting groove. The fixed slitting knife 6 is fixedly connected to the main shaft 4. The main shaft 4 is provided with movable slitting knives 7 which are respectively inserted into the 2nd cutting groove to the 24th cutting groove. Each of the movable slitting knives 7 is matched with an adjusting arm 8 which is rotatably connected to the main shaft 4. The movable slitting knife 7 is arranged on the adjusting arm 8.

[0024] Furthermore, an upper positioning round rod 9 is provided above the adjusting arm 8, and a lower positioning round rod 10 is provided below the adjusting arm 8, the lower positioning round rod 10 and the upper positioning round rod 9 are fixedly connected to the frame, the axes of the upper positioning round rod 9 and the lower positioning round rod 10 are both arranged on a construction circle with the axis of the main shaft 4 as the center, and an upper positioning groove 11 for the upper positioning round rod to be inserted into the upper side of the adjusting arm 8, and a lower positioning groove 12 for the lower positioning round rod to be inserted into the lower side;

[0025] When the upper positioning round rod 9 is arranged in the upper positioning groove 11, the movable slitting knife 7 is not inserted into the slitting knife groove 5;

[0026] When the lower positioning round rod 10 is arranged in the lower positioning groove 12 , the movable slitting knife 7 is inserted into the slitting knife groove 5 .

[0027] Furthermore, an upper C-shaped spring clip 13 for clamping the upper positioning round rod is provided in the upper positioning groove 11; and a lower C-shaped spring clip 14 for clamping the lower positioning round rod is provided in the lower positioning groove 12.

[0028] Furthermore, the clamping openings of the upper C-shaped spring clamp 13 and the lower C-shaped spring clamp 14 are both expanded (not marked).

[0029] In this embodiment, the corresponding movable slitting knife 7 to be used is manually adjusted to achieve the corresponding equal division requirement.

[0030] When it is necessary to divide the incoming warp fabric into two equal parts, the 13th movable slitting knife 7 is inserted into the cutting knife groove 5, and the rest are not inserted into the cutting knife groove 5;

[0031] When the incoming warp fabric needs to be divided into three equal parts, the 9th and 17th movable slitting knives 7 are inserted into the cutting knife groove 5, and the rest are not inserted into the cutting knife groove 5;

[0032] When it is necessary to divide the incoming warp fabric into four equal parts, the 7th, 13th and 19th movable slitting knives 7 are inserted into the cutting knife groove 5, and the rest are not inserted into the cutting knife groove 5;

[0033] When the incoming warp fabric needs to be divided into six equal parts, the 5th, 9th, 13th, 17th and 21st movable slitting knives 7 are inserted into the cutting knife groove 5, and the rest are not inserted into the cutting knife groove 5;

[0034] When the incoming warp fabric needs to be divided into eight equal parts, the 4th, 7th, 10th, 13th, 16th, 19th and 22nd movable slitting knives 7 are inserted into the cutting knife groove 5, and the rest are not inserted into the cutting knife groove 5;

[0035] When the incoming warp fabric needs to be divided into twelve equal parts, the 3rd, 5th, 7th, 9th, 11th, 13th, 15th, 17th, 19th, 21st and 23rd movable slitting knives 7 are inserted into the cutting knife groove 5, and the rest are not inserted into the cutting knife groove 5;

[0036] When it is necessary to divide the incoming warp fabric into twenty-four equal parts, all the movable slitting knives 7 are inserted into the cutting knife groove 5.

[0037] Example 2

[0038] See also Figures 1 to 4 As shown, a non-woven fabric precision slitting device involved in this embodiment includes a frame (not shown), a first transmission roller 1 and a second transmission roller 2 are rotatably connected to the frame, a slitting mechanism is provided between the second transmission roller 2 and the first transmission roller 1, the slitting mechanism includes a slitting roller 3 provided on one side of the fabric, and a main shaft 4 provided on the other side of the fabric, the main shaft 4 is fixedly connected to the frame, the slitting roller 3 is rotatably connected to the frame, and 25 closed ring-shaped cutting grooves 5 are provided on the side of the slitting roller 3, and the spacing between two adjacent cutting grooves 5 is equal;

[0039] The main shaft 4 is provided with fixed slitting knives 6 which are respectively inserted into the 1st cutting groove and the 25th cutting groove. The fixed slitting knife 6 is fixedly connected to the main shaft 4. The main shaft 4 is provided with movable slitting knives 7 which are respectively inserted into the 2nd cutting groove to the 24th cutting groove. Each of the movable slitting knives 7 is matched with an adjusting arm 8 which is rotatably connected to the main shaft 4. The movable slitting knife 7 is arranged on the adjusting arm 8.

[0040] Furthermore, an upper positioning round rod 9 is provided above the adjusting arm 8, and a lower positioning round rod 10 is provided below the adjusting arm 8, the lower positioning round rod 10 and the upper positioning round rod 9 are fixedly connected to the frame, the axes of the upper positioning round rod 9 and the lower positioning round rod 10 are both arranged on a construction circle with the axis of the main shaft 4 as the center, and an upper positioning groove 11 for the upper positioning round rod to be inserted into the upper side of the adjusting arm 8, and a lower positioning groove 12 for the lower positioning round rod to be inserted into the lower side;

[0041] When the upper positioning round rod 9 is arranged in the upper positioning groove 11, the movable slitting knife 7 is not inserted into the slitting knife groove 5;

[0042] When the lower positioning round rod 10 is arranged in the lower positioning groove 12 , the movable slitting knife 7 is inserted into the slitting knife groove 5 .

[0043] Furthermore, the upper positioning round rod 9 and the lower positioning round rod 10 are both ferromagnetic, and magnets (not shown) are embedded in the bottoms of the upper positioning groove 11 and the lower positioning groove 12 .

[0044] In this embodiment, the corresponding movable slitting knife 7 to be used is manually adjusted to achieve the corresponding equal division requirement.

[0045] When it is necessary to divide the incoming warp fabric into two equal parts, the 13th movable slitting knife 7 is inserted into the cutting knife groove 5, and the rest are not inserted into the cutting knife groove 5;

[0046] When the incoming warp fabric needs to be divided into three equal parts, the 9th and 17th movable slitting knives 7 are inserted into the cutting knife groove 5, and the rest are not inserted into the cutting knife groove 5;

[0047] When it is necessary to divide the incoming warp fabric into four equal parts, the 7th, 13th and 19th movable slitting knives 7 are inserted into the cutting knife groove 5, and the rest are not inserted into the cutting knife groove 5;

[0048] When the incoming warp fabric needs to be divided into six equal parts, the 5th, 9th, 13th, 17th and 21st movable slitting knives 7 are inserted into the cutting knife groove 5, and the rest are not inserted into the cutting knife groove 5;

[0049] When the incoming warp fabric needs to be divided into eight equal parts, the 4th, 7th, 10th, 13th, 16th, 19th and 22nd movable slitting knives 7 are inserted into the cutting knife groove 5, and the rest are not inserted into the cutting knife groove 5;

[0050] When the incoming warp fabric needs to be divided into twelve equal parts, the 3rd, 5th, 7th, 9th, 11th, 13th, 15th, 17th, 19th, 21st and 23rd movable slitting knives 7 are inserted into the cutting knife groove 5, and the rest are not inserted into the cutting knife groove 5;

[0051] When it is necessary to divide the incoming warp fabric into twenty-four equal parts, all the movable slitting knives 7 are inserted into the cutting knife groove 5.

[0052] Example 3

[0053] See also Figures 1 to 5As shown, the non-woven fabric precision slitting device involved in this embodiment is further configured on the basis of embodiments 1 and 2, wherein one end of the adjusting arm 8 is provided with an extension arm 15 extending away from the axis, and the extension arm 15 is provided with an adjustment handle 16.

[0054] In this embodiment, the combination of the extension arm 15 and the adjustment handle 16 facilitates the rotation of the adjustment arm 8 .

[0055] The non-woven fabric precision slitting device involved in the utility model has 23 movable slitting knives evenly distributed between 2 fixed slitting knives. The movable slitting knives can be switched between upper and lower positions. Through different matching combinations of the movable slitting knives, the non-woven fabric can be cut into two, three, four, six, eight, twelve and twenty-four parts. Moreover, since the axial position of the slitting knives is fixed, the slitting accuracy can be guaranteed, the slitting modes are diverse, the slitting accuracy is high, the overall function is perfect, and the practicability is strong.

[0056] Unless otherwise specified, in the present invention, the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicating orientation or positional relationship are based on the orientation or positional relationship actually shown, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation. Therefore, the terms describing the orientation or positional relationship in the present invention are only used for illustrative purposes and cannot be understood as limitations on this patent. For ordinary technicians in this field, the specific meanings of the above terms can be understood in combination with the embodiments and according to specific circumstances.

[0057] Unless otherwise clearly specified and limited, in the present invention, the terms "disposed", "connected" and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a direct connection, or an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0058] The preferred specific embodiments of the utility model are described in detail above. It should be understood that ordinary technicians in this field can make many modifications and changes based on the concept of the utility model without creative work. Therefore, all technical solutions that can be obtained by technicians in this technical field based on the concept of the utility model through logical analysis, reasoning or limited experiments on the basis of the existing technology should be within the scope of protection determined by the claims.

Claims

1. A non-woven fabric precision slitting device, comprising a frame, a first transmission roller and a second transmission roller are rotatably connected to the frame, a slitting mechanism is provided between the second transmission roller and the first transmission roller, and the characteristics are: The slitting mechanism comprises a slitting roller arranged on one side of the fabric and a main shaft arranged on the other side of the fabric, the main shaft is fixedly connected to the frame, the slitting roller is rotatably connected to the frame, and the side of the slitting roller is provided with 25 closed ring-shaped cutting grooves, and the distance between two adjacent cutting grooves is equal; The main shaft is provided with fixed slitting knives which are respectively inserted into the 1st cutting groove and the 25th cutting groove, and the fixed slitting knives are fixedly connected to the main shaft. The main shaft is provided with movable slitting knives which are respectively inserted into the 2nd cutting groove to the 24th cutting groove, and each of the movable slitting knives is matched with an adjusting arm rotatably connected to the main shaft, and the movable slitting knives are arranged on the adjusting arm.

2. The nonwoven fabric precision slitting device according to claim 1, characterized in that: An upper positioning round rod is provided above the adjusting arm, and a lower positioning round rod is provided below the adjusting arm. The lower positioning round rod and the upper positioning round rod are both fixedly connected to the frame. The axes of the upper positioning round rod and the lower positioning round rod are both arranged on a construction circle with the axis of the main shaft as the center. An upper positioning groove for the upper positioning round rod to be inserted into is provided on the upper side of the adjusting arm, and a lower positioning groove for the lower positioning round rod to be inserted into is provided on the lower side. When the upper positioning round rod is arranged in the upper positioning groove, the movable slitting knife is not inserted into the slitting knife groove; When the lower positioning round rod is arranged in the lower positioning groove, the movable slitting knife is inserted into the cutting knife groove.

3. The nonwoven fabric precision slitting device according to claim 2, characterized in that: An upper C-shaped spring clip for clamping the upper positioning round rod is arranged in the upper positioning groove; and a lower C-shaped spring clip for clamping the lower positioning round rod is arranged in the lower positioning groove.

4. The nonwoven fabric precision slitting device according to claim 3, characterized in that: The clamping openings of the upper C-shaped spring clamp and the lower C-shaped spring clamp are both expanded.

5. The nonwoven fabric precision slitting device according to claim 2, characterized in that: The upper positioning round rod and the lower positioning round rod are both ferromagnetic, and magnets are embedded in the bottoms of the upper positioning groove and the lower positioning groove.

6. The nonwoven fabric precision slitting device according to any one of claims 1 to 5, characterized in that: An extension arm extending away from the axis is provided at one end of the adjustment arm, and an adjustment handle is provided on the extension arm.

Images