Waist virtual cutting device of paper diaper

Abstract

The utility model discloses a waist virtual cutting device for paper diapers, which relates to the field of cutting machinery and comprises a frame and two virtual cutting components. The virtual cutting assembly comprises a first bearing seat, a rotating shaft, a hot-pressing block and a roller shaft, the roller shaft is rotatably arranged on the rack, one end of the hot-pressing block is fixedly provided with a virtual cutter and at least one hot-pressing end face, the other end of the hot-pressing block is fixedly arranged on the rotating shaft, the rotating shaft is rotatably arranged on the first bearing seat, and the first bearing seat is arranged on the rack in an up-down floating mode through a floating mechanism; and the roll shaft and one end, provided with the virtual cutter, of the hot pressing block are respectively and tightly pressed on the inner surface and the outer surface of the paper diaper. The two sides of the front waist part of the paper diaper are subjected to virtual cutting through the virtual cutting knife, and then the two sides of the virtual cutting line are subjected to hot-pressing solidification through the hot-pressing block, so that the virtual cutting line of the paper diaper and the periphery of the virtual cutting line are prevented from being accidentally torn. The floating mechanism is used for enabling the hot pressing block and the virtual cutting tool to have certain elastic floating capacity, virtual cutting and hot pressing treatment is facilitated, and the pressing force on the paper diaper can be adjusted.

Description

Technical Field

[0001] The utility model relates to the field of cutting machinery, and particularly to a waist partial cutting device for diapers. Background Art

[0002] A diaper is a disposable sanitary pants, including baby diapers and adult diapers (such as menstrual pants). A partial cutting line for easy tearing is usually provided at the waist part of the diaper. The Chinese utility model patent with the publication number CN 216992119 U discloses a device for preventing the partial cutting of the waist cloth of a diaper. When the production line equipment is running normally, the waist cloth is unrolled from the material rack, passes through the transition roller and is pulled by the traction roller to complete the rubber band compounding, and then the knife roller installed on the partial cutting knife holder cuts the rubber band of the waist cloth, makes indentations on both sides of the waist cloth and performs horizontal cutting. Its structure is relatively simple, the two sides of the partial cutting line are not heat-pressed and strengthened, and the waist cloth is easy to break. In addition, it is also difficult to adjust the position and force of the knife roller. Summary of the Invention

[0003] The purpose of the utility model is to provide a waist partial cutting device for diapers, aiming to overcome the above problems existing in the prior art.

[0004] To achieve the above purpose, the utility model provides the following technical solutions:

[0005] A waist partial cutting device for diapers includes a frame, which is equipped with at least one partial cutting component. The partial cutting component includes a first bearing seat, a rotating shaft, a hot pressing block, a partial cutting knife and a roller shaft. The roller shaft is rotatably arranged on the frame. One end of the hot pressing block is fixedly provided with the partial cutting knife and at least one hot pressing end face, and the other end of the hot pressing block is fixedly arranged on the rotating shaft. The rotating shaft is rotatably arranged on the two first bearing seats, and the two first bearing seats are both arranged on the frame so as to be elastically floating up and down, so that the roller shaft and the end of the hot pressing block provided with the partial cutting knife are respectively pressed tightly against the inner and outer surfaces of the diaper.

[0006] Further, the frame is provided with a guide rail, the first bearing seat is slidably arranged up and down on the guide rail. The partial cutting component further includes a compression spring, a connecting plate, a first adjusting screw and a bolt. The connecting plate is arranged on the frame so as to be adjustable up and down through the first adjusting screw. The connecting plate is arranged on the first bearing seat so as to be movable up and down through a plurality of bolts, and the bolt is sleeved with the compression spring that abuts between the connecting plate and the first bearing seat.

[0007] Further, it further includes a second adjusting screw and a lower stop block. The bottom of the first bearing seat is provided with a first inclined plane, the lower stop block is provided with a second inclined plane, and the lower stop block is arranged on the frame so as to be horizontally adjustable through the second adjusting screw, and the second inclined plane abuts against the first inclined plane.

[0008] Further, the above-mentioned roller shaft includes a rotating shaft and a sleeve. The rotating shaft is rotatably arranged on the above-mentioned frame through a second bearing seat, and the sleeve is fixedly arranged at one end of the rotating shaft.

[0009] Further, the above-mentioned hot pressing block is provided with a knife groove, and hot pressing end faces are provided on both sides of the knife groove.

[0010] Further, the number of the above-mentioned virtual cutting components is two.

[0011] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0012] First, the present utility model uses a virtual cutting knife to perform virtual cutting on both sides of the front waist of the diaper, and then uses a hot pressing block to perform hot pressing and curing on both sides of the virtual cutting line to prevent accidental tearing of the virtual cutting line and its surrounding area of the diaper.

[0013] Second, in the present utility model, the virtual cutting component further includes a floating mechanism composed of a compression spring, a connecting plate, a first adjusting screw, a bolt, etc. The floating mechanism is used to make the hot pressing block and the virtual cutting knife have a certain elastic floating ability, which is beneficial to virtual cutting and hot pressing treatment, and the pressing force on the diaper can be adjusted according to needs. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 is the front view of the present utility model. It includes a simple diagram of the diaper and the position of its virtual cutting line.

[0015] Figure 2 is the three-dimensional schematic diagram of the present utility model.

[0016] Figure 3 is the disassembled schematic diagram of the present utility model.

[0017] Figure 4 is the disassembled schematic diagram of the virtual cutting component in the present utility model. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0018] The following describes the specific embodiments of the present utility model with reference to the accompanying drawings. In order to fully understand the present utility model, many details are described below, but for those skilled in the art, the present utility model can be implemented without these details.

[0019] As Figures 1-4 shown, a waist virtual cutting device for a diaper includes a frame 1, and two sets of virtual cutting components are equipped on the frame 1. Of course, the number of virtual cutting components can be increased or decreased according to needs, such as one set, three sets, four sets, five sets..., and is not limited to two sets.

[0020] As Figures 1-4As shown in the figure, the above-mentioned virtual cutting assembly includes a first bearing block 2, a rotating shaft 4, a hot pressing block 5, a virtual cutting knife 6, and a roller shaft 8. Among them, the roller shaft 8 is rotatably arranged on the frame 1. Specifically, the roller shaft 8 includes a rotating shaft and a sleeve 81. The rear end of the rotating shaft is rotatably arranged on the frame 1 through a second bearing block 9, and is equipped with a driving motor (not shown in the figure) for rotating the rotating shaft. The front end of the rotating shaft is fixedly provided with a sleeve 81. The sleeve 81 includes, but is not limited to, polytetrafluoroethylene products and has an anti-sticking effect.

[0021] As Figures 1-4 As shown in the figure, one end of the hot pressing block 5 is fixedly provided with a virtual cutting knife 6 and at least one hot pressing end face 52. The other end of the hot pressing block 5 is fixedly arranged on the rotating shaft 4. The rotating shaft 4 is rotatably arranged between two first bearing blocks 2. The two first bearing blocks 2 are both elastically floating up and down on the frame 1, so that the sleeve 81 of the roller shaft 8 and the end of the hot pressing block 5 provided with the virtual cutting knife 6 are respectively tightly pressed against the inner and outer surfaces of the diaper. The rear end of the rotating shaft 4 is equipped with a driving motor (not shown in the figure) for rotating it.

[0022] As Figure 1 , the diaper includes a front waist part A and a rear waist part B. During processing, multiple diapers that have not been cut are arranged in sequence and conveyed to the right. The front waist part A and the rear waist part B are respectively attached to the upper and lower sides of the sleeve 81. The sleeve 81 and the end of the hot pressing block 5 provided with the virtual cutting knife 6 are respectively tightly pressed against the inner and outer surfaces of the front waist part A. Two virtual cutting knives 6 respectively process virtual cutting lines A1 and A2 on both sides of the front waist part A of each diaper. The middle position between the virtual cutting line A2 of one diaper and the virtual cutting line A1 of another diaper is the cutting position of the two diapers. In other words, one of the virtual cutting knives 6 is used to form multiple virtual cutting lines A1, and the other virtual cutting knife 6 is used to form multiple virtual cutting lines A2. Of course, it is not excluded that when needed, the sleeve 81 and the end of the hot pressing block 5 provided with the virtual cutting knife 6 are respectively tightly pressed against the inner and outer surfaces of the rear waist part B to perform virtual cutting on the rear waist part B.

[0023] As Figures 1-4 As shown in the figure, specifically, the hot pressing block 5 includes, but is not limited to, cold work die steel products, such as Cr12MoV.

[0024] , the hot pressing block 5 is provided with a knife groove 51, and heat pressing end faces 52 for abutting against the product are arranged on both sides of the knife groove 51. The virtual cutting knife 6 is detachably fixed in the knife groove 51 through screw cooperation with the screw hole 511. While the virtual cutting knife 6 cuts the non-woven fabric of the diaper, the heat pressing end faces 52 are used to perform heat pressing treatment on both sides of the virtual cutting line to reinforce the non-woven fabric of the diaper. Preferably, one end of the rotating shaft 4 is equipped with a conductive rotary joint 42, and the conductive rotary joint 42 includes but is not limited to a mercury slip ring. An existing electric heating tube (not shown in the figure) is inserted into the rotating shaft 4, and the wire of the existing electric heating tube is connected to the conductive rotary joint 42, and an external power supply is connected through the conductive rotary joint 42. The electric heating tube transfers heat to the hot pressing block 5 and the virtual cutting knife 6 through the rotating shaft 4. The frame 1 is also fixedly provided with a protective cover 12 for wrapping the conductive rotary joint 42.

[0025] As Figures 1-4 shown, a specific implementation manner of enabling the first bearing block 2 to be elastically floating up and down on the frame 1 is as follows: The above-mentioned virtual cutting assembly further includes a compression spring 34, a connecting plate 33, a first adjusting screw 31 and bolts 32. The frame 1 is provided with guide rails 11, and sliding grooves 21 are arranged on both the left and right sides of the first bearing block 2. The first bearing block 2 is slidably arranged on the guide rails 11 through the sliding grooves 21. The connecting plate 33 is arranged on the frame 1 so as to be adjustable up and down through the first adjusting screw 31, and the connecting plate 33 is arranged on the first bearing block 2 so as to be movable up and down through a plurality of bolts 32. Compression springs 34 are sleeved on the bolts 32, and the compression springs 34 abut between the connecting plate 33 and the first bearing block 32. More specifically, the upper end of the first adjusting screw 31 is rotatably arranged on the frame 1, and the lower end is threadedly connected to the middle of the connecting plate 33. The number of bolts 32 is two. The upper ends (i.e., the nut ends) of the two bolts 32 are respectively movably inserted through the left and right ends of the connecting plate 33, and the lower ends (i.e., the threaded ends) of the two bolts 32 are fixedly arranged at the upper end of the first bearing block 2. When debugging the device, by rotating the first adjusting screw 31, the connecting plate 33 is moved away from or close to the first bearing block 2 to adjust the elastic deformation degree of the compression spring 34, so as to adjust the pressing force on the diaper.

[0026] As Figures 1-4 shown, it further includes a second adjusting screw 71 and a lower stop block 72. The bottom of the first bearing block 2 is provided with a first inclined surface 22, and the lower stop block 72 is provided with a second inclined surface 721. The lower stop block 72 is horizontally adjustable on the frame 1 through the second adjusting screw 71, and the second inclined surface 721 abuts against the first inclined surface 22.

[0027] Specifically, the second adjusting screw rod 71 is horizontally and rotatably arranged on the guide rail 11 of the machine frame 1. The lower stop block 72 is in threaded cooperation with the second adjusting screw rod 71, and the second inclined plane 721 abuts against the first inclined plane 22. The bottom of the lower stop block 72 abuts against the surface of the guide rail 11. When debugging the device, by rotating the second adjusting screw rod 71, the position of the lower stop block 72 can be adjusted to move left and right, and further the lower stop position of the first bearing block 2 can be adjusted, so as to realize the adjustment of the hot pressing block 5 and the knife groove 51.

[0028] The above is only the specific implementation manner of the present invention, but the design concept of the present invention is not limited thereto. Any non-substantive modification made to the present invention using this concept shall fall within the scope of infringement of the protection scope of the present invention.

Claims

1. A waist partial cutting device for a disposable diaper, characterized in that: It includes a frame, which is equipped with at least one virtual cutting component. The virtual cutting component includes a first bearing block, a rotating shaft, a hot pressing block, a virtual cutting knife and a roller shaft. The roller shaft is rotatably arranged on the frame. One end of the hot pressing block is fixedly provided with the virtual cutting knife and at least one hot pressing end face. The other end of the hot pressing block is fixedly arranged on the rotating shaft. The rotating shaft is rotatably arranged on the two first bearing blocks. The two first bearing blocks are both arranged on the frame in a vertically elastically floating manner, so that the roller shaft and the end of the hot pressing block provided with the virtual cutting knife are respectively pressed tightly against the inner and outer surfaces of the diaper.

2. The waist partial cutting device for a disposable diaper according to claim 1, characterized in that: The frame is provided with guide rails. The first bearing block is slidably arranged on the guide rails. The virtual cutting component further includes a compression spring, a connecting plate, a first adjusting screw and a bolt. The connecting plate is arranged on the frame in an adjustable up and down manner through the first adjusting screw. The connecting plate is arranged on the first bearing block in a movable up and down manner through a plurality of bolts. And the bolt is sleeved with the compression spring that abuts between the connecting plate and the first bearing block.

3. A waist partial cutting device for a disposable diaper according to claim 1 or 2, characterized in that: It further includes a second adjusting screw and a lower stop block. The bottom of the first bearing block is provided with a first inclined plane. The lower stop block is provided with a second inclined plane. The lower stop block is arranged on the frame in a horizontally adjustable manner through the second adjusting screw. And the second inclined plane abuts against the first inclined plane.

4. A waist partial cutting device for a disposable diaper according to claim 1, characterized in that: The roller shaft includes a rotating shaft and a sleeve. The rotating shaft is rotatably arranged on the frame through a second bearing block. One end of the rotating shaft is fixedly provided with the sleeve.

5. A waist partial cutting device for a disposable diaper according to claim 1, characterized in that: The hot pressing block is provided with a knife groove. The hot pressing end faces are arranged on both sides of the knife groove.

6. The waist partial cutting device of a disposable diaper according to claim 2, wherein: The number of the virtual cutting components is two.

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