Slitting device for non-woven fabric production

Abstract

The utility model belongs to the technical field of non-woven fabric production equipment, and particularly relates to a slitting device for non-woven fabric production, which comprises a workbench, movable guide rails are symmetrically fixed on the left side and the right side of the workbench, first sliding grooves are formed in the upper surfaces of the movable guide rails, and a first threaded rod is rotatably mounted in the first sliding groove in one movable guide rail; a lower pressing plate and an upper pressing plate are arranged, a groove capable of containing a cutting blade to slide is formed in the upper surface of the lower pressing plate, the lower pressing plate and the upper pressing plate are used for clamping non-woven fabric at the cutting position for the second time, and the four clamping assemblies are matched for clamping the non-woven fabric at the cutting position. The non-woven fabric is not loosened due to the fact that no corresponding clamping force exists at the cutting position even if the non-woven fabric is cut, and the phenomena that the non-woven fabric is scrapped and raw materials are wasted due to the fact that the non-woven fabric is not supported at the cutting position and cutting deflection is caused are avoided.

Description

Technical Field

[0001] The utility model belongs to the technical field of non-woven fabric production equipment, and in particular relates to a slitting device for non-woven fabric production. Background Art

[0002] Non-woven fabrics, also known as non-woven fabrics, are made of directional or random fibers. They are called cloth because they have the appearance and certain properties of cloth. Non-woven fabrics are moisture-proof, breathable, flexible, lightweight, non-combustible, easy to decompose, non-toxic and non-irritating, rich in colors, low in price, and recyclable. Non-woven fabrics usually need to be cut into certain specifications when used.

[0003] For example, the Chinese patent with announcement number CN218842711U discloses a slitting device for non-woven fabric production, including a slitting table, a slider and a knife seat; a slot is provided at the center of the outer wall at the bottom of the slider, and the knife seat is inserted into the inside of the slot, a positioning slot is provided at the center of the inner walls on both sides of the slot, and a rectangular slot is provided at the center of the outer walls on both sides of the knife seat, a positioning block is inserted into the inside of the rectangular slot, and a limiting plate is welded on the side of the positioning block inside the rectangular slot, and a spring is welded on the side of the limiting plate away from the positioning block. The knife seat of the utility model is inserted into the inside of the slot, and the positioning block is inserted into the inside of the positioning slot under the action of the limiting plate and the spring, so that the knife seat can drive the cutter to be installed and disassembled more conveniently, the hand wheel drives the lead screw to rotate, and the slider slides along the slide slot under the action of the threaded lead screw, so that the slider can drive the cutter through the knife seat to adjust according to the slitting requirements.

[0004] This patent has some disadvantages when used, such as: the device in this patent sets a cutting mechanism directly above the non-woven fabric roll and cuts the non-woven fabric. During the cutting process, the non-woven fabric lacks a corresponding fixing and clamping mechanism, so the non-woven fabric is prone to skew when cutting, resulting in waste of the non-woven fabric. In view of this, we propose a cutting device for non-woven fabric production. Utility Model Content

[0005] The purpose of the utility model is to provide a slitting device for nonwoven fabric production to solve the problems raised in the above background technology.

[0006] In view of this, the utility model provides a slitting device for non-woven fabric production, comprising:

[0007] A workbench, wherein movable guide rails are symmetrically fixed on the left and right sides of the workbench, and a slide groove 1 is provided on the upper surface of the movable guide rail, wherein a threaded rod 1 is rotatably installed in the slide groove 1 on one of the movable guide rails, a knob is rotatably connected to one end of the movable guide rail, and the other end of the knob penetrates the inner wall of the movable guide rail and extends into the slide groove 1 to be coaxially connected with the threaded rod, and lifting columns are slidably connected in the two slide grooves 1, the threaded rod 1 is threadedly connected to one of the lifting columns, a sliding rod is fixed in the other slide groove 1, and the other lifting column is slidably connected to the sliding rod;

[0008] A horizontal plate, the horizontal plate is arranged between two lifting columns, an electric guide rail is installed on the lower surface of the horizontal plate, a sliding sleeve is slidably connected to the electric guide rail, an inverted L-shaped support arm is fixed to the lower surface of the sliding sleeve, and a cutting blade is installed at the bottom end of the support arm;

[0009] A lifting assembly, the lifting assembly being located on one of the lifting columns and used to change the vertical height of the cross plate;

[0010] A lower pressing plate, the lower pressing plate is located on the peripheral side of the two lifting columns, a groove is provided on the upper surface of the workbench, the lower pressing plate is slidably installed in the groove on the workbench, connecting plates with a C-shaped structure are symmetrically fixed on both sides of the lower pressing plate, and the connecting plates are fixed to the side walls of the lifting columns, an upper pressing plate is arranged between the two connecting plates, and the upper pressing plate is located directly above the lower pressing plate, a cutting groove is provided on the upper pressing plate for accommodating the passage of the support arm, electric push rods are installed on the two inner top surfaces of the connecting plate, and the bottom end of the telescopic rod of the electric push rod is fixed to the upper surface of the upper pressing plate;

[0011] Four clamping assemblies are respectively located on the upper surface of the workbench near four corners and are used to clamp and fix the non-woven fabric.

[0012] In the present technical scheme, four clamping components are provided so that the non-woven fabric can be effectively positioned and clamped on the upper surface of the workbench before cutting. A threaded rod and a knob are provided so that the operator can adjust the length of the non-woven fabric when slitting according to needs. A lower pressure plate and an upper pressure plate are provided, and a groove for accommodating the sliding of the cutting blade is opened on the upper surface of the lower pressure plate. The non-woven fabric at the cutting position is clamped for the second time by the lower pressure plate and the upper pressure plate. In combination with the action of the four clamping components, the non-woven fabric will not loosen even after slitting due to the lack of corresponding clamping force at the cutting position, thereby avoiding the phenomenon that the non-woven fabric is cut crookedly due to lack of support at the cutting position, resulting in the scrapping of the non-woven fabric and waste of raw materials.

[0013] In the above technical solution, further, the lifting assembly includes:

[0014] Slide groove 2, wherein the slide groove 2 is arranged on the inner side wall of the lifting column, a threaded rod 2 is rotatably connected in the slide groove 2, a slider slidably connected to the slide groove 2 is threadedly connected on the threaded rod 2, and the slider is fixed to the side wall of the cross plate, the top end of the threaded rod 2 passes through the inner top surface of the slide groove 2 and extends to the outside, and the top end of the threaded rod 2 is coaxially connected to a bevel gear 1, and the peripheral side of the bevel gear 1 is meshedly connected to a bevel gear 2, a motor is installed on the upper surface of the lifting column, and the motor is coaxially connected to the bevel gear 2.

[0015] In the present technical solution, a lifting assembly is provided so that the cutting blade can contact the surface of the non-woven fabric, and the cutting of the non-woven fabric can be achieved by cooperating with the electric guide rail and the sliding sleeve.

[0016] In the above technical solution, further, four symmetrically arranged limit columns are fixed to the upper surface of the lower pressure plate, and the top ends of the limit columns pass through the lower surface of the upper pressure plate and extend upward, and the top surfaces of the limit columns are provided with limit protrusions, and the upper pressure plate slides in cooperation with the four limit columns.

[0017] In this technical solution, four limit columns are provided to make the upper pressure plate more stable when it moves upward or downward, ensuring that the upper pressure plate will not deflect during movement and ensuring that the support arm and the cutting blade can smoothly enter the cutting groove.

[0018] In the above technical solution, further, the upper surface of the lower pressing plate and the lower surface of the upper pressing plate are both provided with an anti-slip layer.

[0019] In the technical solution, the protective layer is provided to increase the clamping force of the lower pressing plate and the upper pressing plate on the non-woven fabric.

[0020] In the above technical solution, further, the clamping assembly includes:

[0021] A fixed plate, which has an inverted L-shaped structure and is fixed to the upper surface of the workbench. An upper clamp is slidably connected inside the fixed plate, and a lower clamp fixed to the side wall of the fixed plate is arranged directly below the upper clamp. A swivel rod is threadedly connected to the upper surface of the fixed plate, and the bottom end of the swivel rod passes through the upper surface of the fixed plate and extends downward to be rotatably connected to the upper clamp.

[0022] In the present technical solution, four clamping components are provided so that the nonwoven fabric can be stably fixed on the upper surface of the workbench before slitting.

[0023] In the above technical solution, further, soft pads are fixed to the lower surfaces of the lower clamping plate and the upper clamping plate.

[0024] In the technical solution, by providing a soft pad, the friction between the fixing component and the non-woven fabric is increased, so that the non-woven fabric is fixed more securely.

[0025] In the above technical solution, further, the upper surface of the lower pressing plate is provided with a groove for accommodating the sliding of the cutting blade.

[0026] The beneficial effects of the utility model are:

[0027] The slitting device for non-woven fabric production is provided with four clamping components, so that the non-woven fabric can be effectively positioned and clamped on the upper surface of the workbench before cutting. By providing a threaded rod and a knob, the operator can adjust the length of the non-woven fabric when slitting according to needs. By providing a lower pressing plate and an upper pressing plate, and opening a groove for accommodating the sliding of the cutting blade on the upper surface of the lower pressing plate, the lower pressing plate and the upper pressing plate are used to perform secondary clamping on the non-woven fabric at the cutting position. In combination with the action of the four clamping components, the non-woven fabric will not become loose even after slitting due to the lack of corresponding clamping force at the cutting position, thereby avoiding the phenomenon that the non-woven fabric is cut crookedly due to lack of support at the cutting position, causing the non-woven fabric to be scrapped and the raw materials to be wasted. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0029] Figure 2 It is a structural schematic diagram of the lifting component in the utility model;

[0030] Figure 3 It is a structural schematic diagram of the clamping assembly in the utility model;

[0031] Figure 4 It is a schematic diagram of the structure of the electric guide rail, the support arm and the cutting blade in the utility model;

[0032] Figure 5 It is a structural schematic diagram of the lower pressing plate and the upper pressing plate in the utility model.

[0033] The symbols in the figure are:

[0034] 1. Workbench; 2. Moving guide rail; 3. Slide groove 1; 4. Threaded rod 1; 5. Knob; 6. Lifting column; 7. Slide groove 2; 8. Threaded rod 2; 9. Slider; 10. Bevel gear 1; 11. Bevel gear 2; 12. Motor; 13. Cross plate; 14. Electric guide rail; 15. Sliding sleeve; 16. Support arm; 17. Cutting blade; 18. Lower pressure plate; 19. Connecting plate; 20. Upper pressure plate; 21. Cutting groove; 22. Limiting column; 23. Electric push rod; 24. Fixed plate; 25. Lower clamping plate; 26. Upper clamping plate; 27. Rotary rod; 28. Cushion. DETAILED DESCRIPTION

[0035] The following will be combined with the drawings in the embodiments of the present application to clearly describe the technical solutions in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, rather than all the embodiments. All other embodiments obtained by ordinary technicians in this field based on the embodiments in the present application belong to the scope of protection of this application.

[0036] In the description of the present application, it should be noted that the terms used here are only for describing specific embodiments, and are not intended to limit the exemplary embodiments according to the present application. For ease of description, the sizes of the various parts shown in the drawings are not drawn according to the actual proportional relationship. The techniques, methods and equipment known to ordinary technicians in the relevant fields may not be discussed in detail, but in appropriate cases, the techniques, methods and equipment should be regarded as part of the authorization specification. In all examples shown and discussed here, any specific value should be interpreted as merely exemplary, rather than as a limitation. Therefore, other examples of the exemplary embodiments may have different values. It should be noted that similar numbers and letters represent similar items in the following drawings, so once an item is defined in one drawing, it does not need to be further discussed in subsequent drawings.

[0037] It should be noted that the terms "first", "second", etc. in the specification and claims of the present application are used to distinguish similar objects, and are not used to describe a specific order or sequence. It should be understood that the data used in this way can be interchangeable under appropriate circumstances, so that the embodiments of the present application can be implemented in an order other than those illustrated or described here, and the objects distinguished by "first", "second", etc. are generally of one type, and the number of objects is not limited. For example, the first object can be one or more. In addition, "and / or" in the specification and claims represents at least one of the connected objects, and the character " / " generally indicates that the objects associated with each other are in an "or" relationship.

[0038] It should be noted that, in the description of the present application, the orientation or positional relationship indicated by terms such as "front, back, up, down, left, right", "lateral, vertical, perpendicular, horizontal" and "top, bottom" are usually based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description. Unless otherwise stated, these orientation words do not indicate or imply that the device or element referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the scope of protection of the present application; the orientation words "inside and outside" refer to the inside and outside relative to the contour of each component itself.

[0039] It should be noted that, in the present application, the terms "comprise", "include" or any other variant thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, an element defined by the sentence "comprises one..." does not exclude the presence of other identical elements in the process, method, article or device including the element. In addition, it should be noted that the scope of the methods and devices in the embodiments of the present application is not limited to performing functions in the order shown or discussed, and may also include performing functions in a substantially simultaneous manner or in reverse order according to the functions involved, for example, the described method may be performed in an order different from that described, and various steps may also be added, omitted or combined. In addition, the features described with reference to certain examples may be combined in other examples.

[0040] Embodiment 1:

[0041] See also Figure 1 - Figure 5 As shown, this embodiment provides a slitting device for nonwoven fabric production, comprising:

[0042] A workbench 1, with movable guide rails 2 symmetrically fixed on the left and right sides of the workbench 1, a slide groove 3 is provided on the upper surface of the movable guide rail 2, a threaded rod 4 is rotatably installed in the slide groove 3 on one of the movable guide rails 2, a knob 5 is rotatably connected to one end of the movable guide rail 2, and the other end of the knob 5 penetrates the inner wall of the movable guide rail 2 and extends into the slide groove 3 and is coaxially connected to the threaded rod 4, lifting columns 6 are slidably connected in both slide grooves 3, the threaded rod 4 is threadedly connected to one of the lifting columns 6, a sliding rod is fixed in the other slide groove 3, and the other lifting column 6 is slidably connected to the sliding rod;

[0043] A horizontal plate 13, which is arranged between the two lifting columns 6, an electric guide rail 14 is installed on the lower surface of the horizontal plate 13, a sliding sleeve 15 is slidably connected to the electric guide rail 14, an inverted L-shaped support arm 16 is fixed to the lower surface of the sliding sleeve 15, and a cutting blade 17 is installed at the bottom end of the support arm 16;

[0044] A lifting assembly, which is located on one of the lifting columns 6 and is used to change the vertical height of the cross plate 13;

[0045] A lower pressing plate 18, the lower pressing plate 18 is located on the peripheral side of the two lifting columns 6, a groove is provided on the upper surface of the workbench 1, the lower pressing plate 18 is slidably installed in the groove on the workbench 1, connecting plates 19 with a C-shaped structure are symmetrically fixed on both sides of the lower pressing plate 18, and the connecting plates 19 are fixed to the side walls of the lifting columns 6, an upper pressing plate 20 is arranged between the two connecting plates 19, and the upper pressing plate 20 is located directly above the lower pressing plate 18, and a cutting groove 21 is provided on the upper pressing plate 20 for accommodating the support arm 16 to pass through, and electric push rods 23 are installed on the two inner top surfaces of the connecting plate 19, and the bottom end of the telescopic rod of the electric push rod 23 is fixed to the upper surface of the upper pressing plate 20;

[0046] Four clamping assemblies, which are respectively located on the upper surface of the workbench 1 near four corners and are used to clamp and fix the non-woven fabric;

[0047] The upper surface of the lower pressing plate 18 is provided with a groove for accommodating the sliding of the cutting blade 17 .

[0048] Among them, when the non-woven fabric is to be cut, the non-woven fabric roll is placed on the front side or the rear side of the device, and then the non-woven fabric is pulled out and laid flat on the upper surface of the workbench 1. It is worth mentioning that when laying, the non-woven fabric is passed through the four clamping components and between the lower pressing plate 18 and the upper pressing plate 20 in sequence; then the operator rotates the four rotary rods 27 on the clamping components in sequence, and clamps the non-woven fabric on the upper surface of the workbench 1. At this time, the non-woven fabric is in a tensioned state, and then the operator adjusts the cutting length as needed. When adjusting, the operator turns the knob 5, and the rotation of the knob 5 drives the threaded rod 4 to rotate synchronously. Under the action of the thread force, the lifting column 6 can slide forward or backward along the slide groove 3, and drive the connecting plate 19 and the lower pressing plate 18 and the upper pressing plate 20 located on the connecting plate 19 to be synchronously parallel. When the cutting length is determined, the two electric push rods 23 are started, and the two push rods 23 are started. The telescopic rod of the electric push rod 23 moves downward and pushes the upper pressing plate 20 to move downward until the lower surface of the upper pressing plate 20 is tightly fitted with the upper surface of the non-woven fabric, and cooperates with the lower pressing plate 18 to clamp and fix the non-woven fabric at the cutting position. Then the lifting assembly is started, the lifting assembly works, and drives the cross plate 13 to move downward. At this time, the support arm 16 drives the cutting blade 17 to move downward, and the support arm 16 and the cutting blade 17 are gradually inserted into the cutting groove 21. At this time, the cutting blade 17 contacts the non-woven fabric, and then the electric guide rail 14 is started. At this time, the sliding sleeve 15 can drive the support arm 16 and the cutting blade 17 to perform a horizontal cutting movement, thereby realizing the slitting of the non-woven fabric; it is worth adding that a guide slide rod is fixed in the slide groove 27 on another lifting column 6 in the present application, and a matching stabilizing block is slidably connected to the slide rod. The stabilizing block can refer to the attached manual Figure 4The right end of the middle cross plate 13 is not pointed out in the drawings of the guide slide bar specification. The structure of the guide slide bar is a cylinder with a smooth surface. Through the cooperation of the stabilizing block and the guide slide bar, the right end of the cross plate 13 is more stable when sliding up and down. This is the prior art and those skilled in the art should be familiar with it, and this application will not go into details here.

[0049] By setting four clamping components, the non-woven fabric can be effectively positioned and clamped on the upper surface of the workbench 1 before cutting. By setting a threaded rod 4 and a knob 5, the operator can adjust the length of the non-woven fabric when cutting according to needs. By setting a lower pressing plate 18 and an upper pressing plate 20, and opening a groove on the upper surface of the lower pressing plate 18 to accommodate the sliding of the cutting blade 17, the lower pressing plate 18 and the upper pressing plate 20 are used to clamp the non-woven fabric at the cutting position for the second time. In combination with the action of the four clamping components, the non-woven fabric will not become loose even after cutting due to the lack of corresponding clamping force at the cutting position, thereby avoiding the phenomenon that the non-woven fabric is cut crookedly due to lack of support at the cutting position, causing the non-woven fabric to be scrapped and waste raw materials.

[0050] Embodiment 2:

[0051] This embodiment provides a slitting device for nonwoven fabric production, which, in addition to the technical solutions of the above embodiments, also has the following technical features. The lifting component includes:

[0052] A slide groove 27 is provided on the inner side wall of the lifting column 6, a threaded rod 28 is rotatably connected in the slide groove 27, a slider 9 is threadedly connected to the threaded rod 28 and is slidably connected to the slide groove 27, and the slider 9 is fixed to the side wall of the cross plate 13, the top end of the threaded rod 28 passes through the inner top surface of the slide groove 27 and extends to the outside, and the top end of the threaded rod 28 is coaxially connected to a bevel gear 10, and the peripheral side of the bevel gear 10 is meshedly connected to a bevel gear 2 11, and a motor 12 is installed on the upper surface of the lifting column 6, and the motor 12 is coaxially connected to the bevel gear 2 11.

[0053] Among them, when the lifting assembly is working, the motor 12 is started, the output shaft of the motor 12 rotates and drives the bevel gear 2 11 to rotate, the bevel gear 2 11 drives the bevel gear 1 10 to rotate, and the bevel gear 10 drives the threaded rod 2 8 to rotate. Under the action of the thread force, the slider 9 can move upward or downward in the inner cavity of the slide groove 2 7. While moving, the slider 9 can drive the cross plate 13 to move synchronously. The electric guide rail 14, the sliding sleeve 15, the support arm 16 and the cutting blade 17 located below the cross plate 13 can move downward or upward at the same time as the cross plate 13.

[0054] By providing a lifting assembly, the cutting blade 17 can contact the surface of the non-woven fabric, and the cutting of the non-woven fabric can be achieved by cooperating with the electric guide rail 14 and the sliding sleeve 15.

[0055] Embodiment 3:

[0056] The present embodiment provides a slitting device for non-woven fabric production. In addition to the technical solutions of the above-mentioned embodiments, it also has the following technical features: four symmetrically arranged limit columns 22 are fixed to the upper surface of the lower pressure plate 18, and the top ends of the limit columns 22 pass through the lower surface of the upper pressure plate 20 and extend upward, and the top surfaces of the limit columns 22 are provided with limit protrusions, and the upper pressure plate 20 slides in cooperation with the four limit columns 22.

[0057] The upper pressing plate 20 can slide upward or downward along the limiting column 22 .

[0058] By providing four limit posts 22 , the upper pressing plate 20 is more stable when moving upward or downward, ensuring that the upper pressing plate 20 does not deflect during movement, and ensuring that the support arm 16 and the cutting blade 17 can smoothly enter the cutting groove 21 .

[0059] Embodiment 4:

[0060] This embodiment provides a slitting device for nonwoven fabric production, which, in addition to the technical solutions of the above embodiments, also has the following technical features: the upper surface of the lower pressing plate 18 and the lower surface of the upper pressing plate 20 are both provided with an anti-slip layer.

[0061] The nonwoven fabric will not randomly move when it is clamped and fixed by the lower pressing plate 18 and the upper pressing plate 20 .

[0062] By providing the protective layer, the clamping force of the lower pressing plate 18 and the upper pressing plate 20 on the non-woven fabric is increased.

[0063] Embodiment 5:

[0064] This embodiment provides a slitting device for nonwoven fabric production, which, in addition to the technical solutions of the above embodiments, also has the following technical features. The clamping assembly includes:

[0065] The fixing plate 24 is an inverted L-shaped structure, and the fixing plate 24 is fixed to the upper surface of the workbench 1. An upper clamping plate 26 is slidably connected inside the fixing plate 24, and a lower clamping plate 25 fixed to the side wall of the fixing plate 24 is arranged directly below the upper clamping plate 26. A rotating rod 27 is threadedly connected to the upper surface of the fixing plate 24, and the bottom end of the rotating rod 27 passes through the upper surface of the fixing plate 24 and extends to the bottom to be rotatably connected to the upper clamping plate 26.

[0066] When the clamping assembly is working, the operator rotates the rotary rod 27, the rotary rod 27 moves downward, and the upper clamping plate 26 slides downward, and the upper clamping plate 26 and the lower clamping plate 25 realize upper and lower clamping cooperation, thereby clamping the non-woven fabric.

[0067] By providing four clamping components, the nonwoven fabric can be stably fixed on the upper surface of the workbench 1 before slitting.

[0068] Embodiment 6:

[0069] This embodiment provides a slitting device for nonwoven fabric production, which, in addition to the technical solutions of the above embodiments, also has the following technical features: a soft pad 28 is fixed to the lower surface of the lower clamping plate 25 and the lower surface of the upper clamping plate 26.

[0070] The surface of the cushion 28 has a certain degree of roughness and softness.

[0071] By providing the soft pad 28, the friction between the fixing component and the non-woven fabric is increased, so that the non-woven fabric is fixed more securely.

[0072] The embodiments of the present application are described above in conjunction with the accompanying drawings. In the absence of conflict, the embodiments in the present application and the features in the embodiments can be combined with each other. The present application is not limited to the above-mentioned specific implementation methods. The above-mentioned specific implementation methods are merely illustrative and not restrictive. Under the guidance of the present application, ordinary technicians in this field can also make many forms without departing from the purpose of the present application and the scope of protection of the claims, all of which are within the protection of the present application.

Claims

1. A slitting device for nonwoven fabric production, characterized in that: include: A workbench (1), wherein movable guide rails (2) are symmetrically fixed on the left and right sides of the workbench (1), and a slide groove (3) is provided on the upper surface of the movable guide rail (2), wherein a threaded rod (4) is rotatably installed in the slide groove (3) on one of the movable guide rails (2), and a knob (5) is rotatably connected to one end of the movable guide rail (2), and the other end of the knob (5) penetrates the inner wall of the movable guide rail (2) and extends into the slide groove (3) and is coaxially connected to the threaded rod (4), and lifting columns (6) are slidably connected in the two slide grooves (3), and the threaded rod (4) is threadedly connected to one of the lifting columns (6), and a sliding rod is fixed in the other slide groove (3), and the other lifting column (6) is slidably connected to the sliding rod; A horizontal plate (13), the horizontal plate (13) being arranged between two lifting columns (6), an electric guide rail (14) being installed on the lower surface of the horizontal plate (13), a sliding sleeve (15) being slidably connected to the electric guide rail (14), an inverted L-shaped support arm (16) being fixed on the lower surface of the sliding sleeve (15), and a cutting blade (17) being installed at the bottom end of the support arm (16); A lifting assembly, the lifting assembly being located on one of the lifting columns (6) and being used to change the vertical height of the cross plate (13); A lower pressing plate (18), the lower pressing plate (18) being located on the peripheral side of the two lifting columns (6), the upper surface of the workbench (1) being provided with a groove, the lower pressing plate (18) being slidably mounted in the groove on the workbench (1), connecting plates (19) of a C-shaped structure being symmetrically fixed on both sides of the lower pressing plate (18), and the connecting plates (19) being fixed to the side walls of the lifting columns (6), an upper pressing plate (20) being arranged between the two connecting plates (19), and the upper pressing plate (20) being located directly above the lower pressing plate (18), a cutting groove (21) being provided on the upper pressing plate (20) for accommodating the passage of the support arm (16), two inner top surfaces of the connecting plate (19) being provided with electric push rods (23), and the bottom ends of the telescopic rods of the electric push rods (23) being fixed to the upper surface of the upper pressing plate (20); Four clamping assemblies are respectively located on the upper surface of the workbench (1) near four corners and are used to clamp and fix the non-woven fabric.

2. A slitting device for nonwoven fabric production according to claim 1, characterized in that: The lifting assembly comprises: A second slide groove (7), wherein the second slide groove (7) is provided on the inner side wall of the lifting column (6), a second threaded rod (8) is rotatably connected in the second slide groove (7), a slider (9) is threadedly connected to the second slide groove (7), and the slider (9) is fixed to the side wall of the horizontal plate (13), the top end of the second threaded rod (8) passes through the inner top surface of the second slide groove (7) and extends to the outside, and the top end of the second threaded rod (8) is coaxially connected to a bevel gear (10), and the peripheral side of the bevel gear (10) is meshingly connected to a second bevel gear (11), and a motor (12) is installed on the upper surface of the lifting column (6), and the motor (12) is coaxially connected to the second bevel gear (11).

3. A slitting device for nonwoven fabric production according to claim 1, characterized in that: Four symmetrically arranged limiting columns (22) are fixed to the upper surface of the lower pressing plate (18), and the top ends of the limiting columns (22) pass through the lower surface of the upper pressing plate (20) and extend upwards. The top surfaces of the limiting columns (22) are provided with limiting protrusions, and the upper pressing plate (20) is slidably matched with the four limiting columns (22).

4. A slitting device for nonwoven fabric production according to claim 3, characterized in that: The upper surface of the lower pressing plate (18) and the lower surface of the upper pressing plate (20) are both provided with an anti-slip layer.

5. A slitting device for nonwoven fabric production according to claim 1, characterized in that: The clamping assembly comprises: A fixed plate (24), wherein the fixed plate (24) is in an inverted L-shaped structure and is fixed to the upper surface of the workbench (1); an upper clamping plate (26) is slidably connected inside the fixed plate (24); a lower clamping plate (25) fixed to the side wall of the fixed plate (24) is arranged directly below the upper clamping plate (26); a rotating rod (27) is threadedly connected to the upper surface of the fixed plate (24), and the bottom end of the rotating rod (27) passes through the upper surface of the fixed plate (24) and extends to the bottom to be rotatably connected to the upper clamping plate (26).

6. A slitting device for nonwoven fabric production according to claim 5, characterized in that: Soft pads (28) are fixed to the lower surfaces of the lower clamping plate (25) and the upper clamping plate (26).

7. A slitting device for nonwoven fabric production according to claim 1, characterized in that: The upper surface of the lower pressing plate (18) is provided with a groove capable of accommodating the sliding of the cutting blade (17).

Images