Non-woven fabric cutting device

Abstract

The utility model relates to the technical field of non-woven fabric cutting, and discloses a non-woven fabric cutting device which comprises a slitting table and two fixing plates, and the two fixing plates are fixedly installed on the two sides of the upper surface of the slitting table respectively. The two ends of the rotating cylinder are rotationally connected with the side walls of the two fixing plates correspondingly; the blades are used for slitting the non-woven fabric and are arranged on the rotating cylinder in a sleeving manner; the motor is fixedly installed on the side wall of one fixing plate, and the tail end of an output shaft of the motor is in shaft connection with the rotating cylinder; and the fixing assembly is used for fixing the blade, the fixing assembly is arranged in the rotating cylinder, and the fixing assembly comprises a plurality of fastening plates located in the rotating cylinder. According to the cutter, the positions and the intervals of the blades can be rapidly adjusted, synchronous fixing of all the blades can be achieved by rotating the screw, multiple bolts do not need to be screwed one by one, operation is easy and convenient, the production efficiency is effectively improved, and meanwhile the consistency of the cutting precision and the product quality is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to non - woven fabric cutting technology field especially, it relates to a non - woven fabric cutting device. BACKGROUND

[0002] Non - woven fabric cutting machine or non - woven fabric cutting machine is specially used for cutting non - woven fabric material mechanical equipment, these machines are widely used in making gauze mask, protective clothing, filter material, sanitary products etc.

[0003] Through the retrieval, a non - woven fabric slitting device with publication No. CN211872377U, including the base, the top of both sides of base is provided with third recess, the inboard of third recess is provided with upper die shaft, the outer side of upper die shaft is slidably connected with multiple cutting knife groups, the top of upper die shaft is provided with multiple threaded holes. The scheme uses screw to be screwed in threaded hole, can adjust the position of cutting knife group, so as to adjust the distance between non - woven fabric slitting to adapt to different width non - woven fabric, improve the versatility of device, but, the above technical scheme still has following insufficient when actually using:

[0004] The prior art fixes the slitting blade by bolts, since the slitting machine is usually configured with multiple blades, each time the blade is adjusted, multiple bolts need to be screwed one by one, which not only consumes time and effort, but also significantly reduces the production efficiency, especially in the equipment that needs to frequently and flexibly adjust the non - woven fabric slitting distance, this inefficient fixing method causes the operator to spend a lot of time on disassembly and assembly work every time the cutting width is adjusted, greatly limiting the flexibility and response speed of the production line, in addition, it is difficult to ensure that the fastening force of each bolt is consistent, which may cause uneven force on the blade, affecting the cutting precision and product quality, in the long run, this repetitive high-load operation increases the downtime of the equipment, further restricting the continuity and stability of production, these problems jointly act, so that the overall production efficiency and product consistency are affected.

[0005] Therefore, it is necessary to design a non - woven fabric cutting device to solve the above problems. UTILITY MODEL CONTENTS

[0006] The utility model aims at solving the shortcomings in the prior art and provides a non - woven fabric cutting device.

[0007] In order to achieve the above object, the utility model adopts the following technical scheme:

[0008] The utility model relates to a non - woven cutting device, include: slitting station and two fixed plate, two fixed plate are fixedly installed respectively on slitting station upper surface both sides, rotating cylinder, rotating cylinder both ends are rotatoryly connected with two fixed plate side wall, a plurality of for slitting non - woven knife, all set up on rotating cylinder, motor, motor fixedly installed in one of fixed plate side wall, and the output shaft end of motor is connected with rotating cylinder, fixed subassembly is used for fixing the knife, fixed subassembly sets up in the inside of rotating cylinder, fixed subassembly includes a plurality of in the fastening plate of rotating cylinder, and the one end of fastening plate extends to the outside of rotating cylinder.

[0009] As a preferred technical scheme of the utility model, the fixed assembly further comprises: a plurality of connecting plates fixed to the other end of the fastening plates, a plurality of springs one between the connecting plates and the inner side of the rotating cylinder, a rotating shaft arranged in the rotating cylinder coaxially with the rotating cylinder, the two ends of the rotating shaft rotatably connected to the two inner sides of the rotating cylinder, a plurality of extrusion plates fixed to the rotating shaft corresponding to the number of the connecting plates, a clamping groove opened at the center of one end of the rotating shaft, a clamping block slidably connected in the clamping groove, a screw fixed to the side wall of the clamping block, the free end of the screw extending to the outside of the rotating cylinder, the screw threadedly connected to the rotating cylinder, an opening provided on the fixed plate on the same side of the screw, and the free end of the screw passing through the opening.

[0010] As a preferred technical scheme of the utility model, a fastening assembly is provided on the fixed plate on the same side of the screw, the fastening assembly comprising: a mounting plate fixedly connected to the side wall of the fixed plate, a disc coaxially connected to the free end of the screw, a slide rod penetratingly arranged on the mounting plate, the longitudinal section of the slide rod being in T-shaped structure, one end of the slide rod corresponding to the disc, and a spring two arranged between the slide rod and the mounting plate.

[0011] As a preferred technical scheme of the utility model, all the fastening plates are arranged at equal intervals in a circumferential direction.

[0012] As a preferred technical scheme of the utility model, the side surface of the extrusion plate is in triangular structure.

[0013] As a preferred technical scheme of the utility model, the surface of the rotating cylinder is provided with scale lines for positioning the position of the knife.

[0014] The utility model has the following beneficial effects:

[0015] 1. Improve adjustment efficiency: by rotating the screw, the synchronous fixing of all blades can be realized, without the need to rotate multiple bolts one by one, which greatly reduces the adjustment time, especially in the case of frequent adjustment of non-woven fabric cutting distance, and allows quick adjustment of the position and spacing of the blades, adapts to the cutting needs of different specifications of non-woven fabric, improves the flexibility and response speed of the production line, and is simple and convenient to operate, reducing the technical requirements of the operator;

[0016] 2. Ensure cutting accuracy and consistency: by setting the fixing assembly, and the fastening plates are arranged at equal intervals in the circumferential direction, the uniformity of the force on the blades is ensured, avoiding the problem of blade deviation caused by inconsistent fastening force, thereby improving the cutting accuracy and consistency of product quality;

[0017] 3. Enhance equipment stability and reliability: by setting the fastening assembly, the friction force is used to prevent the screw from loosening during rotation, this design ensures the stability of the blades during rotation, reduces the possibility of failure, and also ensures the cutting accuracy. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 A structure diagram of the non-woven fabric cutting device is provided for the utility model;

[0019] Figure 2 A structure diagram of the inside of the rotating cylinder, including an enlarged view of part of the structure inside the clamping groove;

[0020] Figure 3 A structure diagram of the inside of the rotating cylinder;

[0021] Figure 4 A Figure 1 enlarged view of structure A.

[0022] In the figure: 1 cutting table, 2 fixed plate, 3 motor, 4 rotating cylinder, 5 blade, 6 fastening plate, 7 connecting plate, 8 spring one, 9 rotating shaft, 10 extrusion plate, 11 clamping groove, 12 clamping block, 13 screw, 14 opening, 15 sliding rod, 16 spring two, 17 mounting plate, 18 disc, 19 rubber layer. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the utility model will be described clearly and completely below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all.

[0024] Embodiment one

[0025] Referring to Figures 1-3The utility model provides a kind of non-woven fabric cutting device, comprising: slitting table 1 and two fixed plates 2, two fixed plates 2 are fixedly installed on the upper surface of slitting table 1 two sides respectively;Rotary cylinder 4, inside hollow setting, the two ends of rotary cylinder 4 are rotatably connected with the side wall of two fixed plates 2 respectively;Several blades 5 for slitting non-woven fabric, are all set on rotary cylinder 4, the inside of blade 5 is attached with the outside of rotary cylinder 4, and blade 5 can slide on rotary cylinder 4, the surface of rotary cylinder 4 is provided with scale line for positioning the position of blade 5, to facilitate staff accurate movement blade 5;Motor 3, motor 3 is fixedly installed on the side wall of one of two fixed plates 2, and the output shaft end of motor 3 is axially connected with rotary cylinder 4, and motor 3 can drive rotary cylinder 4 and blade 5 to rotate when slitting;

[0026] The non-woven fabric cutting device further includes a fixing assembly for fixing the blade 5, which is arranged inside the rotary cylinder 4. The fixing assembly includes a plurality of fastening plates 6 located inside the rotary cylinder 4, with one end of the fastening plates 6 extending to the outside of the rotary cylinder 4. Specifically, the rotary cylinder 4 is provided with a through hole that matches the fastening plates 6, which is attached to the inside of the fastening plates 6 and guides the movement of the fastening plates 6. All the fastening plates 6 are arranged at equal intervals in a circumferential direction, so that the force exerted by the device on the blade 5 can be evenly distributed, and the blade 5 is coaxial with the rotary cylinder 4, ensuring the stability and accuracy of the slitting. The fixing assembly further includes a plurality of connecting plates 7, a shaft 9 arranged inside the rotary cylinder 4 and coaxially arranged with the rotary cylinder 4, and a clamping groove 11 opened at the center of one end of the shaft 9. The connecting plates 7 are fixed to the other end of the fastening plates 6, and a plurality of springs 8 are arranged between the connecting plates 7 and the inside of the rotary cylinder 4. The springs 8 ensure that the fastening plates 6 do not come into contact with the inside of the blade 5 in the unforced state. The two ends of the shaft 9 are rotatably connected to the two inside of the rotary cylinder 4, and the shaft 9 is fixed with a number of pressing plates 10 that match the number of connecting plates 7. The side of the pressing plate 10 is in a triangular structure, and the side of the connecting plate 7 facing the shaft 9 is in an arc structure. A clamping block 12 is slidably connected in the clamping groove 11, and the longitudinal section of the clamping block 12 is in a rectangular structure. The side wall of the clamping block 12 is fixed with a screw rod 13, the free end of which extends to the outside of the rotary cylinder 4, and the screw rod 13 is threadedly connected with the rotary cylinder 4. The fixed plate 2 on the same side of the screw rod 13 is provided with an opening 14, and the free end of the screw rod 13 passes through the opening 14 without contacting the opening 14.

[0027] In operation, the worker slides the blades 5, and makes all the blades 5 be in the appropriate position on the rotating cylinder 4 by observing the scale lines, and then rotates the screw rod 13, the screw rod 13 drives the clamping block 12 to rotate and move, under the cooperation of the clamping block 12 and the clamping groove 11, the clamping block 12 can drive the rotating shaft 9 to rotate, so that the pressing plate 10 rotates and extrudes the connecting plate 7, and then drives the connecting plate 7 and the fastening plate 6 to move away from the rotating shaft 9, the fastening plate 6 can abut against the inner side of the blade 5, so as to fix all the blades 5, and then starts the motor 3, the output shaft of the motor 3 rotates to drive the rotating cylinder 4 and the blade 5 to rotate, so as to achieve the purpose of slitting, the design can synchronously fix all the blades 5, the operation is simple and convenient, the adjustment efficiency is effectively improved, and all the blades 5 are subjected to the same force, so that the consistency of the slitting quality is ensured.

[0028] Embodiment two

[0029] Embodiment two comprises the contents in embodiment one, the technical features disclosed in embodiment one are also applicable to this embodiment, and the description of the technical features disclosed in embodiment one will not be repeated, and the embodiment of the non-woven fabric cutting device will be further described in detail with reference to the accompanying drawings.

[0030] With reference to Figure 4 The fixed plate 2 on the same side of the screw rod 13 is provided with a fastening assembly, the fastening assembly comprises: an installation plate 17 fixedly connected to the side wall of the fixed plate 2; a disc 18 axially connected to the free end of the screw rod 13; a slide rod 15 penetratingly arranged on the installation plate 17, the longitudinal section of the slide rod 15 is in T-shaped structure, and one end of the slide rod 15 corresponds to the disc 18; a spring 16 arranged between the slide rod 15 and the installation plate 17, the spring 16 makes the slide rod 15 always abut against the disc 18, further, the disc 18 and the end of the slide rod 15 in contact with the disc 18 are both provided with a rubber layer 19, the rubber layer 19 is provided with anti-skid lines, so as to increase the friction between the two, and it is worth mentioning that the screwing direction of the fastening plate 6 abutting against the blade 5 when the screw rod 13 rotates is opposite to the rotating direction of the output shaft of the motor 3.

[0031] When slitting, the motor 3 drives the rotating cylinder 4 and the blade 5 to rotate, and the rotation of the rotating cylinder 4 drives the screw rod 13 and the disc 18 to rotate synchronously, under the action of the spring 16, the slide rod 15 always abuts against the disc 18, at this time, the friction between the rotating disc 18 and the slide rod 15 is generated, the friction drives the screw rod 13 to rotate in the direction opposite to the rotating direction of the rotating cylinder 4, since the direction is the same as the screwing direction of the screw rod 13 during the process that the pressing plate 10 drives the fastening plate 6, so the friction can strengthen the pushing force of the pressing plate 10 to the fastening plate 6, and then plays a fastening role, prevents the loosening of the screw rod 13 caused by mechanical vibration during the rotation of the rotating cylinder 4, and improves the stability of the fixation of the blade 5.

[0032] The above merely describes a preferred embodiment of the present application, and the protection scope of the present application is not limited thereto, and any skilled person in the art, according to the technical scheme and the inventive concept of the present application, makes equivalent replacement or change within the technical range disclosed by the present application, which should be covered within the protection scope of the present application.

Claims

1. A nonwoven fabric cutting device, characterized in that, The utility model relates to a non -woven fabric cutting device, including: Slitting table (1) and two fixed plates (2), two fixed plates (2) are fixedly installed on the both sides of the upper surface of slitting table (1) respectively, Rotary cylinder (4), both ends of rotary cylinder (4) are rotatably connected with the side wall of two fixed plates (2) respectively, A plurality of blades (5) for cutting non -woven fabric, all are sleeved on rotary cylinder (4), Motor (3) is fixedly installed on the side wall of one of fixed plates (2), and the output shaft end of motor (3) is axially connected with rotary cylinder (4), Fixing assembly is used for fixing blade (5), and the fixing assembly is arranged in the inside of rotary cylinder (4), and the fixing assembly includes a plurality of fastening plates (6) in rotary cylinder (4), and one end of fastening plate (6) extends to the outside of rotary cylinder (4).

2. The apparatus according to claim 1, wherein The fixing assembly further includes: A plurality of connecting plates (7) are fixed with the other end of fastening plate (6), a plurality of spring (8) are arranged between connecting plate (7) and the inside of rotary cylinder (4), Rotating shaft (9) is arranged in rotary cylinder (4) and is coaxially arranged with rotary cylinder (4), both ends of rotating shaft (9) are rotatably connected with the both sides of rotary cylinder (4), and extrusion plate (10) is fixed on rotating shaft (9) and is matched with the number of connecting plate (7), Clamping groove (11) is arranged at the center position of one end of rotating shaft (9), clamping block (12) is slidably connected in clamping groove (11), the side wall of clamping block (12) is fixed with screw rod (13), the free end of screw rod (13) extends to the outside of rotary cylinder (4), and screw rod (13) is threadedly connected with rotary cylinder (4), and the fixed plate (2) on the same side of screw rod (13) is provided with opening (14), and the free end of screw rod (13) passes through opening (14).

3. The apparatus according to claim 1, wherein The fixed plate (2) on the same side of screw rod (13) is provided with fastening assembly, and the fastening assembly includes: Mounting plate (17) is fixedly connected on the side wall of fixed plate (2), Disc (18) is axially connected with the free end of screw rod (13), Sliding rod (15) is arranged through mounting plate (17), the longitudinal section of sliding rod (15) is T-shaped structure, and one end of sliding rod (15) corresponds with disc (18), Spring (16) is arranged between sliding rod (15) and mounting plate (17).

4. The apparatus according to claim 1, wherein All the fastening plates (6) are arranged at equal intervals in the circumferential direction.

5. The apparatus according to claim 2, wherein The side of extrusion plate (10) is triangular structure.

6. The apparatus according to claim 1, wherein Scale line is arranged on the surface of rotary cylinder (4) for positioning the position of blade (5).

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