Feeding mechanism for sanitary towel production line

Abstract

The utility model relates to the technical field of sanitary napkin production and processing, and discloses a sanitary napkin production line feeding mechanism which comprises a base, two unwinding racks are arranged on the upper surface of the base and symmetrically arranged, an unwinding shaft is connected between the two unwinding racks, a plurality of conveying racks are arranged on one sides of the unwinding racks, and the conveying racks are arranged on the other sides of the unwinding racks. A conveying shaft is rotationally connected between every two adjacent conveying racks, a cotton cloth roll is arranged on the outer surface of the unwinding shaft, and a limiting assembly for limiting the unwinding shaft (3) is installed on the base. According to the utility model, through the cooperative use of the sliding block, the connecting plate, the bearing, the limiting block and the two-way screw rod, a cotton cloth roll can be limited in the center of the unwinding shaft, so that a better positioning effect is achieved, and the axial displacement of a cotton cloth piece in the conveying process is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of sanitary napkin production and processing, in particular to a feeding mechanism for a sanitary napkin production line. Background Art

[0002] Sanitary napkins are an external physiological hygiene product designed specifically for women, usually used to absorb menstrual blood. The main types include dry mesh sanitary napkins, cotton sanitary napkins, pure cotton sanitary napkins and liquid sanitary napkins. During the sanitary napkin production process, the cotton cloth is transmitted through the feeding mechanism, and other materials will be laminated during the transmission process.

[0003] The feeding mechanism in the prior art places the cotton cloth roll on the unwinding shaft and then transmits it through a conveyor frame. However, during use, the cotton cloth roll will undergo axial displacement on the unwinding shaft, affecting the position of the cotton cloth piece on the conveyor frame, and ultimately causing the position of the cotton cloth piece to shift with other materials. To address the above problem, a feeding mechanism for a sanitary napkin production line is provided. Utility Model Content

[0004] The purpose of the utility model is to provide a feeding mechanism for a sanitary napkin production line to solve the problems raised in the above background technology.

[0005] In order to solve the above technical problems, the utility model is realized by the following technical solutions:

[0006] The utility model discloses a feeding mechanism for a sanitary napkin production line, comprising a base, an unwinding frame is arranged on the upper surface of the base, the unwinding frames are fixed in two and symmetrically arranged, an unwinding shaft is connected between the two unwinding frames, a plurality of transmission frames are arranged on one side of the unwinding frames, a transmission shaft is rotatably connected between every two adjacent transmission frames, a cotton cloth roll is arranged on the outer surface of the unwinding shaft, and a limit assembly for limiting the position of the unwinding shaft (3) is installed on the base.

[0007] Furthermore, the limit assembly includes a slider and a driving motor, the sliders are fixed in two and symmetrically arranged, a connecting plate is provided on the upper surface of the slider, a connecting rod is provided at one end of the connecting plate, a bearing is sleeved on the outer surface of the connecting rod, the outer surface of the unwinding shaft is slidably connected to a limit block, the limit block is fixed in two and symmetrically arranged, a groove is provided at one end of the limit block, a bearing is rotatably connected inside the groove, a bidirectional screw is rotatably connected between the two unwinding frames, one end of the bidirectional screw passes through one of the unwinding frames and extends outward, the outer surface of the bidirectional screw is slidably connected to a slider, and a bidirectional screw is installed at the output end of the driving motor.

[0008] Furthermore, a slide rail is installed on the upper surface of the base, a slide groove is opened on the lower surface of the slider, the slide rail is slidably connected inside the slide groove, and a placement seat is provided on the outer surface of one of the unwinding frames, and a driving motor is installed on the upper surface of the placement seat.

[0009] Furthermore, a cavity is provided inside the unwinding shaft, an air inlet is provided at one end of the unwinding shaft, a through opening is provided on the outer surface of the unwinding shaft, and a fixing component is arranged inside the cavity.

[0010] Furthermore, the fixing assembly includes a valve core, which is installed inside the air inlet, a baffle is provided inside the air inlet, a rubber ring is installed at one end of the baffle, a spring is installed at the other end of the baffle, a filter is installed at the other end of the spring, an airbag is installed inside the cavity, a filter is installed at one end of the airbag, an outlet pipe is installed at one end of the filter, a fixing part is installed on the outer surface of the airbag, and the fixing part is slidably connected to the inside of the through port.

[0011] Furthermore, a sealing groove is formed on the inner surface of the cavity, a sealing ring is installed on the outer surface of the filter screen, and the sealing ring is installed in the sealing groove.

[0012] The utility model has the following beneficial effects:

[0013] (1) The utility model can limit the cotton cloth roll to the center of the unwinding shaft through the coordinated use of the slider, the connecting plate, the bearing, the limit block and the bidirectional screw, thereby achieving a better positioning effect and avoiding axial displacement of the cotton cloth during transmission.

[0014] (2) The utility model injects gas into the air inlet, and the gas flows to the interior of the airbag through the valve core, thereby inflating the interior of the airbag, so that the fixing part is gradually pushed out from the opening and abuts against the reel of the cotton roll, thereby fixing the cotton roll and allowing the cotton roll to rotate synchronously during the rotation of the unwinding shaft, thereby increasing the transmission efficiency.

[0015] Of course, any product implementing the present invention does not necessarily need to achieve all of the advantages described above at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for describing the embodiments are briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0018] Figure 2 It is a schematic diagram of the local structure of the utility model;

[0019] Figure 3 This is a schematic diagram of the structure of the limit assembly of the utility model;

[0020] Figure 4 This is a cross-sectional view of the unwinding shaft structure of the utility model;

[0021] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0022] In the figure: 1. base; 2. unwinding frame; 201. placement seat; 3. unwinding shaft; 301. cavity; 302. air inlet; 4. transmission frame; 5. transmission shaft; 6. cotton roll; 7. limit assembly; 701. slider; 702. drive motor; 703. connecting plate; 704. bearing; 705. limit block; 706. groove; 707. two-way screw; 708. slide; 8. slide rail; 9. fixing assembly; 901. valve core; 902. baffle; 903. rubber ring; 904. filter; 905. air bag; 906. air outlet pipe; 907. fixing piece; 908. sealing ring; 909. spring. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in 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 in 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 - Figure 4 As shown, the utility model is a feeding mechanism for a sanitary napkin production line, comprising a base 1, an unwinding frame 2 is provided on the upper surface of the base 1, the unwinding frames 2 are fixed in two and symmetrically arranged, an unwinding shaft 3 is connected between the two unwinding frames 2, a plurality of transmission frames 4 are provided on one side of the unwinding frame 2, a transmission shaft 5 is rotatably connected between every two adjacent transmission frames 4, a cotton cloth roll 6 is provided on the outer surface of the unwinding shaft 3, and a limiting component 7 for limiting the unwinding shaft (3) is installed on the base 1.

[0025] The limit assembly 7 includes a slider 701 and a drive motor 702. The slider 701 is fixed in two and symmetrically arranged. A connecting plate 703 is provided on the upper surface of the slider 701. A connecting rod is provided at one end of the connecting plate 703. A bearing 704 is sleeved on the outer surface of the connecting rod. The outer surface of the unwinding shaft 3 is slidably connected to a limit block 705. The limit block 705 is fixed in two and symmetrically arranged. A groove 706 is provided at one end of the limit block 705. The bearing 704 is rotatably connected inside the groove 706. A bidirectional screw 707 is rotatably connected between the two unwinding frames 2. One end of the bidirectional screw 707 passes through one of the unwinding frames 2 and extends outward. The outer surface of the bidirectional screw 707 is slidably connected to the slider 701. A bidirectional screw 707 is installed on the output end of the drive motor 702.

[0026] A slide rail 8 is installed on the upper surface of the base 1, a slide groove 708 is opened on the lower surface of the slider 701, and the slide rail 8 is slidably connected inside the slide groove 708. A placement seat 201 is provided on the outer surface of one of the unwinding frames 2, and a driving motor 702 is installed on the upper surface of the placement seat 201.

[0027] A cavity 301 is provided inside the unwinding shaft 3 , an air inlet 302 is provided at one end of the unwinding shaft 3 , a through opening is provided on the outer surface of the unwinding shaft 3 , and a fixing component 9 is provided inside the cavity 301 .

[0028] The fixing assembly 9 includes a valve core 901, which is installed inside the air inlet 302. A baffle 902 is provided inside the air inlet 302. A rubber ring 903 is installed at one end of the baffle 902. A spring 909 is installed at the other end of the baffle 902. A filter screen 904 is installed at the other end of the spring 909. An air bag 905 is installed inside the cavity 301. A filter screen 904 is installed at one end of the air bag 905. An air outlet pipe 906 is installed at one end of the filter screen 904. A fixing part 907 is installed on the outer surface of the air bag 905. The fixing part 907 is slidably connected to the inside of the through port.

[0029] A sealing groove is formed on the inner surface of the cavity 301 , and a sealing ring 908 is installed on the outer surface of the filter screen 904 , and the sealing ring 908 is installed in the sealing groove.

[0030] When in use, firstly, the reel of the cotton roll 6 is sleeved on the outer surface of the unwinding shaft 3, then the limit blocks 705 are taken out and sleeved on the outer surface of the unwinding shaft 3 and located at the two ends of the cotton roll 6, the unwinding shaft 3 is placed on the two unwinding frames 2, and the driving motor 702 is started. The output end of the driving motor 702 drives the bidirectional screw 707 to rotate, so that the two sliders 701 move toward one end close to each other, and then the connecting plate 703 pushes the limit blocks 705 to move toward the end close to the cotton roll 6. When the limit blocks 705 abut against the cotton roll 6, the driving motor 702 is turned off, and gas is injected into the air inlet 302. The gas flows to the inside of the airbag 905 through the valve core 901, and the airbag 9 05 is inflated inside so that the fixing piece 907 is gradually pushed out from the through opening and abuts against the drum of the cotton cloth roll 6, thereby fixing the cotton cloth roll 6 so that the cotton cloth roll 6 can also rotate synchronously during the rotation of the unwinding shaft 3. By pulling one end of the cotton cloth roll 6 and then crossing through several transmission shafts 5 in sequence and then winding it around the reel, the motor of the reel is started to rotate the reel to reel the cotton cloth piece. Through the coordinated use of the slider 701, the connecting plate 703, the bearing 704, the limit block 705 and the bidirectional screw 707, the cotton cloth roll 6 can be restricted to the center of the unwinding shaft 3, which has a better positioning effect and avoids axial displacement during the transmission of the cotton cloth piece.

[0031] The preferred embodiments of the utility model disclosed above are only used to help explain the utility model. The preferred embodiments do not describe all the details in detail, nor do they limit the utility model to the specific implementation methods described. Obviously, many modifications and changes can be made according to the content of this specification. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the utility model, so that technicians in the relevant technical field can well understand and use the utility model. The utility model is limited only by the claims and their full scope and equivalents.

Claims

1. A feeding mechanism for a sanitary napkin production line, comprising a base (1), characterized in that: An unwinding frame (2) is provided on the upper surface of the base (1), and the unwinding frame (2) is fixed in two pieces and symmetrically arranged; An unwinding shaft (3) is connected between the two unwinding frames (2), and a plurality of transmission frames (4) are arranged on one side of the unwinding frames (2); The outer surface of the unwinding shaft (3) is provided with a cotton cloth roll (6), and the cotton cloth roll (6) moves toward the processing end through a plurality of transmission racks (4). A limiting component (7) for limiting the position of the unwinding shaft (3) is installed on the base (1).

2. A feeding mechanism for a sanitary napkin production line according to claim 1, characterized in that: The limit assembly (7) comprises a slider (701) and a drive motor (702); the sliders (701) are fixed in two and symmetrically arranged; a connecting plate (703) is provided on the upper surface of the slider (701); a connecting rod is provided at one end of the connecting plate (703); and a bearing (704) is sleeved on the outer surface of the connecting rod; The outer surface of the unwinding shaft (3) is slidably connected to a limit block (705), the limit blocks (705) are fixed in two and symmetrically arranged, one end of the limit block (705) is provided with a groove (706), and the interior of the groove (706) is rotatably connected to a bearing (704); A bidirectional screw (707) is rotatably connected between the two unwinding frames (2), one end of the bidirectional screw (707) passes through one of the unwinding frames (2) and extends outward, a slider (701) is slidably connected to the outer surface of the bidirectional screw (707), and the output end of the driving motor (702) is installed with the bidirectional screw (707).

3. A feeding mechanism for a sanitary napkin production line according to claim 2, characterized in that: A slide rail (8) is installed on the upper surface of the base (1), a slide groove (708) is provided on the lower surface of the slider (701), and the interior of the slide groove (708) is slidably connected to the slide rail (8), and a placement seat (201) is provided on the outer surface of one of the unwinding frames (2), and a driving motor (702) is installed on the upper surface of the placement seat (201).

4. A feeding mechanism for a sanitary napkin production line according to claim 1, characterized in that: The unwinding shaft (3) has a cavity (301) formed inside, an air inlet (302) formed at one end of the unwinding shaft (3), a through opening formed on the outer surface of the unwinding shaft (3), and a fixing component (9) disposed inside the cavity (301).

5. A feeding mechanism for a sanitary napkin production line according to claim 4, characterized in that: The fixing assembly (9) comprises a valve core (901), the valve core (901) is installed inside the air inlet (302), a baffle (902) is arranged inside the air inlet (302), a rubber ring (903) is installed at one end of the baffle (902), a spring (909) is installed at the other end of the baffle (902), a filter screen (904) is installed at the other end of the spring (909), an air bag (905) is installed inside the cavity (301), a filter screen (904) is installed at one end of the air bag (905), an air outlet pipe (906) is installed at one end of the filter screen (904), a fixing member (907) is installed on the outer surface of the air bag (905), and the fixing member (907) is slidably connected to the inside of the through port.

6. A feeding mechanism for a sanitary napkin production line according to claim 5, characterized in that: A sealing groove is provided on the inner surface of the cavity (301), and a sealing ring (908) is installed on the outer surface of the filter screen (904), wherein the sealing ring (908) is installed in the interior of the sealing groove.

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