Perforated cotton core body processing device

Abstract

The utility model relates to the technical field of hygienic product production, and provides a perforated cotton core body processing device which comprises a base, a support frame fixed at the top of the base, an upper roller and a lower roller which are rotationally arranged on the support frame, and a motor for driving the lower roller to rotate, according to the utility model, the upper cutter edge at the bottom of the inserting column and the lower cutter edge at the top of the pressing head are pressed with each other, so that a cotton core body can be cut to form a hole, and the piston can be compressed to contract a certain distance into the inner sleeve when the pressing head is pressed by the upper cutter edge, so that a certain amount of air is sucked above the piston; the pressing head is upwards ejected out of the second through groove under the elastic force action of the second spring, and meanwhile, air in the inner sleeve above the piston is compressed, so that residual pieces attached to the top of the pressing head can be blown out, and the residual pieces are prevented from remaining on the pressing head; and the problem that in the prior art, cut residual pieces are prone to remaining in the grooves and are difficult to fall off is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of sanitary product production, and in particular to a perforated cotton core processing device. Background Art

[0002] Disposable sanitary products such as sanitary napkins, sanitary pads, diapers, etc. are all provided with a cotton core layer, which is made of highly absorbent polymer materials to absorb water or other liquids. In order to improve the absorption efficiency of the cotton core for water or liquids, it is common practice to open holes on the cotton core, and water or liquid quickly penetrates into the cotton core through the holes. Therefore, a hole-opening device is required to open holes in the cotton core in the production process of disposable sanitary products.

[0003] After searching, the announcement number CN213851443U discloses a cotton core hole opening device, including: a plate body, a slide groove is opened on the plate body, and a moving block and a fixed block are arranged in the slide groove; a driving mechanism, the driving mechanism is used to drive the moving block to move; a first cylinder body, a groove is arranged on the side surface of the first cylinder body; a first rotating shaft, the first cylinder body is sleeved on the first rotating shaft, and the first rotating shaft is rotatably arranged on the moving block; a second cylinder body, a punching needle is arranged on the side surface of the second cylinder body; a second rotating shaft, the second cylinder body is sleeved on the second rotating shaft, and the second rotating shaft is rotatably arranged on the fixed block; the punching needle can extend into the groove; wherein, the side surface of the moving block relative to the fixed block is a first inclined surface, and the side surface of the fixed block relative to the moving block is provided with an inclined block that can move in a direction perpendicular to the length direction of the slide groove, and the inclined block has a second inclined surface, and the second inclined surface abuts against the first inclined surface to adjust the spacing between the moving block and the fixed block.

[0004] However, the above-mentioned cotton core hole-opening device still has the following problems: the above-mentioned cotton core hole-opening device is achieved by arranging punching needles and grooves adapted to the punching needles on the upper and lower rollers, and the punching operation is achieved by squeezing the punching needles and the grooves when they rotate. However, due to the cutting pressure of the two, the cut pieces are easily retained in the grooves and are difficult to fall off, thereby affecting subsequent punching. Utility Model Content

[0005] The utility model provides a perforated cotton core body processing device, which solves the problem in the prior art that the cut pieces are easily retained in the grooves and are difficult to fall off.

[0006] The technical scheme of the utility model is as follows: a perforated cotton core processing device, including a base, a support frame fixed to the top of the base, an upper roller and a lower roller rotatably arranged on the support frame, and a motor driving the lower roller to rotate, a plurality of circumferentially arranged plug posts are fixed at the middle position of the upper roller, a plurality of elastic pressing components corresponding to the plug posts are arranged at the middle position of the lower roller, the elastic pressing component includes an inner sleeve fixedly embedded in the lower roller, a pressure piece that shrinks into the inner sleeve under the pressure of the plug posts is arranged in the inner sleeve, and a second spring that presses the pressure piece to blow out the residual pieces after perforation and cutting after the plug posts are separated from the pressure piece is arranged on both sides of the support frame. A transmission mechanism for adjusting the distance between the upper roller and the lower roller is arranged.

[0007] Preferably, a first through groove and a second through groove communicating from the inside to the outside are formed on the lower roller, and the inner sleeve is fixed in the first through groove.

[0008] Preferably, the pressure-bearing member includes a pressure head, which is slidably disposed in the second through groove, an air pipe is fixed to the bottom of the pressure head, a piston is fixed to the bottom of the air pipe, and the piston is slidably disposed in the inner sleeve and fits tightly with the inner sleeve.

[0009] Preferably, an upper cutting edge is provided at the bottom of the plug post, and a lower cutting edge that closes into the upper cutting edge is provided at the top of the pressure head.

[0010] Preferably, a through hole communicating with the inner cavity of the lower roller is formed at the bottom of the inner sleeve, an air inlet communicating with the inner cavity of the inner sleeve is formed on one side of the bottom of the air pipe, and an air outlet axially arranged and communicating with the air pipe is formed on the pressure head.

[0011] Preferably, two ends of the second spring are in contact with the piston and the inner wall of the inner sleeve respectively.

[0012] Preferably, the transmission mechanism includes an electric telescopic rod, both ends of the upper roller and the lower roller are rotatably connected with shaft sleeves, the shaft sleeves at both ends of the upper roller are slidably connected to the support frame, the shaft sleeves at both ends of the lower roller are fixedly connected to the support frame, and the upper and lower shaft sleeves are elastically connected by a first spring, the output shaft of the motor passes through the shaft sleeve located below and is fixedly connected to the lower roller, the outer side of the shaft sleeve located above is rotatably connected with a roller shaft, the roller shaft and the output shaft of the motor are rotatably connected with a first pulley, the electric telescopic rod is transversely fixed to the outer side of the support frame, and a U-shaped seat is fixed to the output end of the electric telescopic rod, a second pulley is rotatably connected to the U-shaped seat, and a transmission belt is tensioned between the second pulley and the two first pulleys.

[0013] Preferably, the second pulley and the two first pulleys are arranged in a triangle.

[0014] The beneficial effects of the utility model are:

[0015] In the utility model, during the rotation of the upper roller and the lower roller, the upper knife edge at the bottom of the plug column and the lower knife edge at the top of the pressure head are pressed together, so that a hole can be cut out of the cotton core body, and the cut debris remains on the top of the pressure piece. When the pressure head is pressed by the upper knife edge, the piston can be compressed to shrink one end distance into the inner sleeve, so that a certain amount of air is sucked above the piston. After the plug column is separated from the pressure head, the pressure head is pushed upward out of the second through groove under the elastic force of the second spring. At the same time, the air in the inner sleeve above the piston is compressed, and the air is squeezed out from the air inlet, and then passed into the air outlet through the air pipe, so that the debris attached to the top of the pressure head can be blown out, so as to prevent the debris from remaining on the pressure head and affecting the subsequent punching process. The problem that the cut debris in the prior art is easy to remain in the groove and difficult to fall off is solved. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The utility model is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0017] Figure 1 This is a schematic diagram of the structure of a perforated cotton core processing device proposed by the utility model;

[0018] Figure 2 This is a side structural schematic diagram of a perforated cotton core processing device proposed by the utility model;

[0019] Figure 3 This is a schematic diagram of the partial cross-sectional structure of the upper roller and the lower roller proposed in the utility model;

[0020] Figure 4 This is a schematic diagram of a half-section structure of a plug-in column proposed in the utility model;

[0021] Figure 5 A schematic diagram of a half-section structure of a pressure-bearing member proposed in the utility model;

[0022] In the figure: 1. base; 2. support frame; 3. upper roller; 4. lower roller; 41. first through slot; 42. second through slot; 5. motor; 6. transmission mechanism; 61. electric telescopic rod; 62. roller shaft; 63. first pulley; 64. transmission belt; 65. U-shaped seat; 66. second pulley; 67. bushing; 68. first spring; 7. plug column; 71. upper knife edge; 8. elastic pressing component; 81. inner sleeve; 811. through hole; 82. pressure piece; 821. pressure head; 822. lower knife edge; 823. air outlet; 824. air pipe; 825. air inlet; 826. piston; 83. second spring. DETAILED DESCRIPTION

[0023] The following will be combined with the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] See also Figure 1 and Figure 3 The utility model provides a technical solution: a perforated cotton core processing device, including a base 1, a support frame 2 fixed to the top of the base 1, an upper roller 3 and a lower roller 4 rotatably arranged on the support frame 2, and a motor 5 for driving the lower roller 4 to rotate, a plurality of circumferentially arranged plug posts 7 are fixed at the middle position of the upper roller 3, a plurality of elastic pressing components 8 corresponding to the plug posts 7 are arranged at the middle position of the lower roller 4, the elastic pressing component 8 includes an inner sleeve 81 fixedly embedded in the lower roller 4, a pressure piece 82 is arranged in the inner sleeve 81 and contracts into the inner sleeve 81 under the pressure of the plug posts 7, and a second spring 83 is arranged to press the pressure piece 82 to blow out the residual pieces after perforation and cutting after the plug posts 7 are separated from the pressure piece 82, and a transmission mechanism 6 for adjusting the distance between the upper roller 3 and the lower roller 4 is arranged on both sides of the support frame 2.

[0025] See also Figure 3 The lower roller 4 is provided with a first through groove 41 and a second through groove 42 communicating from the inside to the outside, and the inner sleeve 81 is fixed in the first through groove 41 .

[0026] See also Figure 3 , Figure 4 and Figure 5The pressure-bearing member 82 includes a pressure head 821, which is slidably arranged in the second through groove 42. An air pipe 824 is fixed to the bottom of the pressure head 821, and a piston 826 is fixed to the bottom of the air pipe 824. The piston 826 is slidably arranged in the inner sleeve 81 and is tightly fitted with the inner sleeve 81. An upper knife edge 71 is provided at the bottom of the plug column 7, and a lower knife edge 822 that closes in the upper knife edge 71 is provided at the top of the pressure head 821. During the rotation of the upper roller 3 and the lower roller 4, the upper knife edge 71 at the bottom of the plug column 7 and the lower knife edge 822 at the top of the pressure head 821 are pressed together to cut a hole in the cotton core. A through hole 811 communicating with the inner cavity of the lower roller 4 is provided at the bottom of the inner sleeve 81, and an air inlet communicating with the inner cavity of the inner sleeve 81 is provided on one side of the bottom of the air pipe 824. The second spring 83 is used to push the piston 826 into the air outlet 823, and the second spring 83 is used to push the piston 826 into the air outlet 823.

[0027] See also Figure 1 and Figure 2The transmission mechanism 6 includes an electric telescopic rod 61, both ends of the upper roller 3 and the lower roller 4 are rotatably connected with a sleeve 67, the sleeves 67 at both ends of the upper roller 3 are slidably connected to the support frame 2, the sleeves 67 at both ends of the lower roller 4 are fixedly connected to the support frame 2, and the upper and lower sleeves 67 are elastically connected by a first spring 68, the output shaft of the motor 5 passes through the sleeve 67 at the bottom and is fixedly connected to the lower roller 4, the outer side of the sleeve 67 at the top is rotatably connected with a roller shaft 62, and the roller shaft 62 and the output shaft of the motor 5 are rotatably connected with a first pulley 63, the electric telescopic rod 61 is transversely fixed to the outside of the support frame 2, and a U-shaped seat 65 is fixed on the output end of the electric telescopic rod 61, and a second pulley is rotatably connected to the U-shaped seat 65. Wheel 66, the second pulley 66 and the two first pulleys 63 are tensioned with a transmission belt 64, the second pulley 66 and the two first pulleys 63 are arranged in a triangle, and the lower roller 4 can be driven to rotate by the operation of the motor 5, and the upper roller 3 is pressed on the top of the lower roller 4 by the first spring 68, and the upper roller 3 rotates synchronously when the lower roller 4 rotates, and the passing cotton core body can be punched under the extrusion of the plug column 7 on the upper roller 3 and the elastic top pressing component 8, and the horizontal position of the second pulley 66 is adjusted by the operation of the electric telescopic rod 61, and the relative distance between the upper roller 3 and the lower roller 4 can be adjusted by the tension of the roller shaft 62 and the elastic force of the first spring 68, so that it can be suitable for the punching processing of cotton core bodies of different thicknesses.

[0028] The working principle and use process of the utility model are as follows: during the rotation of the upper roller 3 and the lower roller 4, the upper knife edge 71 at the bottom of the plug post 7 and the lower knife edge 822 at the top of the pressure head 821 are pressed together to cut a hole in the cotton core, and the cut debris remains on the top of the pressure-bearing member 82. When the pressure head 821 is pressed by the upper knife edge 71, the piston 826 can be compressed to shrink one end distance into the inner sleeve 81, so that a certain amount of air is sucked above the piston 826. After the plug post 7 is separated from the pressure head 821, the pressure head 821 is pushed upward out of the second through groove 42 under the elastic force of the second spring 83. At the same time, the air in the inner sleeve 81 above the piston 826 is compressed, and the air is squeezed out from the air inlet 825, and then passed into the air outlet 823 through the air pipe 824, so that the debris attached to the top of the pressure head 821 can be blown out to prevent the debris from remaining on the pressure head 821 and affecting the subsequent punching process.

[0029] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A perforated cotton core processing device, comprising a base (1), a support frame (2) fixed to the top of the base (1), an upper roller (3) and a lower roller (4) rotatably arranged on the support frame (2), and a motor (5) driving the lower roller (4) to rotate, characterized in that: A plurality of circumferentially arranged plug posts (7) are fixed at the middle position of the upper roller (3), and a plurality of elastic pressure components (8) corresponding to the plug posts (7) are arranged at the middle position of the lower roller (4). The elastic pressure component (8) includes an inner sleeve (81) fixedly embedded in the lower roller (4), and the inner sleeve (81) is provided with a pressure piece (82) that shrinks into the inner sleeve (81) under the pressure of the plug posts (7) and a second spring (83) that presses the pressure piece (82) to blow out the residual pieces after perforation and cutting after the plug posts (7) and the pressure piece (82) are separated. Transmission mechanisms (6) for adjusting the distance between the upper roller (3) and the lower roller (4) are arranged on both sides of the support frame (2).

2. A perforated cotton core processing device according to claim 1, characterized in that: The lower roller (4) is provided with a first through groove (41) and a second through groove (42) communicating from the inside to the outside, and the inner sleeve (81) is fixed in the first through groove (41).

3. A perforated cotton core processing device according to claim 2, characterized in that: The pressure-bearing member (82) comprises a pressure head (821), the pressure head (821) is slidably disposed in the second through groove (42), an air pipe (824) is fixed to the bottom of the pressure head (821), a piston (826) is fixed to the bottom of the air pipe (824), and the piston (826) is slidably disposed in the inner sleeve (81) and is tightly fitted with the inner sleeve (81).

4. A perforated cotton core processing device according to claim 3, characterized in that: An upper cutting edge (71) is provided at the bottom of the plug post (7), and a lower cutting edge (822) that closes into the upper cutting edge (71) is provided at the top of the pressure head (821).

5. A perforated cotton core processing device according to claim 3, characterized in that: The bottom of the inner sleeve (81) is provided with a through hole (811) communicating with the inner cavity of the lower roller (4); one side of the bottom of the air pipe (824) is provided with an air inlet (825) communicating with the inner cavity of the inner sleeve (81); and the pressure head (821) is provided with an air outlet (823) arranged axially and communicating with the air pipe (824).

6. A perforated cotton core processing device according to claim 3, characterized in that: The two ends of the second spring (83) are in contact with the piston (826) and the inner wall of the inner sleeve (81) respectively.

7. A perforated cotton core processing device according to claim 1, characterized in that: The transmission mechanism (6) comprises an electric telescopic rod (61), both ends of the upper roller (3) and the lower roller (4) are rotatably connected with shaft sleeves (67), the shaft sleeves (67) at both ends of the upper roller (3) are slidably connected to the support frame (2), the shaft sleeves (67) at both ends of the lower roller (4) are fixedly connected to the support frame (2), and the upper and lower shaft sleeves (67) are elastically connected via a first spring (68), and the output shaft of the motor (5) passes through the shaft sleeve (67) located at the bottom and is fixedly connected to the lower roller (4). The shaft sleeve (67) is rotatably connected to a roller shaft (62) outside the upper shaft sleeve, and the roller shaft (62) and the output shaft of the motor (5) are both rotatably connected to a first pulley (63), the electric telescopic rod (61) is transversely fixed to the outer side of the support frame (2), the output end of the electric telescopic rod (61) is fixed with a U-shaped seat (65), and the U-shaped seat (65) is rotatably connected to a second pulley (66), and a transmission belt (64) is tensioned between the second pulley (66) and the two first pulleys (63).

8. A perforated cotton core processing device according to claim 7, characterized in that: The second belt pulley (66) and the two first belt pulleys (63) are arranged in a triangle.

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