Cotton collecting drum and negative pressure adjusting mechanism thereof

Abstract

The utility model relates to a cotton collecting drum and a negative pressure adjusting mechanism thereof. According to the technical scheme, the cotton collecting drum comprises a negative pressure disc; two negative pressure cavities matched with the absorbent cotton cores are formed in the negative pressure disc; two pressure conveying pipes corresponding to the two negative pressure cavities one to one are detachably arranged on the outer side of the negative pressure disc. Flow dividers are arranged in the two negative pressure cavities; four through grooves are formed in the flow divider; the output ends of the four through grooves are respectively communicated with the negative pressure cavity; the pressure conveying pipe is provided with four pressure conveying channels corresponding to the four through grooves in a one-to-one mode. The input ends of the four through grooves communicate with the four pressure conveying channels in a one-to-one correspondence mode. The four pressure conveying channels are each provided with an adjusting valve used for adjusting the pressure in the corresponding pressure conveying channel. The whole structure is stable, operation is convenient, the working efficiency is effectively improved, the problem that in the adult paper diaper production and processing process, the compactness of a cotton core is insufficient is effectively solved, and the product quality is guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of water-absorbent cotton core forming equipment, and more specifically, to a cotton collecting drum and a negative pressure regulating mechanism thereof. Background Art

[0002] The absorbent cotton core is the core material of diapers to achieve water absorption. The cotton collecting drum absorbent cotton core forming equipment is a commonly used structural component for manufacturing absorbent cotton cores.

[0003] In the process of making absorbent cotton cores, the absorbent cotton cores of adult diapers have a large area, and the thickness requirements of the cotton cores at different positions are different. Generally, the middle of the cotton core is required to be thicker, and the two sides of the cotton core are required to be thinner. The traditional cotton core collecting drum generally only considers the above problems when manufacturing the cavity of the cotton core module. According to the thickness requirements of different positions of the cotton core, the cavity of the cotton core module is made, and then the absorbent cotton core is transported to the cavity by a conveying drum to meet the requirements. However, this kind of production and processing method is cumbersome to operate, and it is easy to have the problem of insufficient compactness of the cotton core. For this reason, we provide a cotton collecting drum and its negative pressure regulating mechanism. Utility Model Content

[0004] In view of the deficiencies in the prior art, the purpose of the present invention is to provide a cotton collecting drum and a negative pressure regulating mechanism thereof to solve the technical problems existing in the above-mentioned background technology.

[0005] The above technical purpose of the utility model is achieved through the following technical solutions: a negative pressure regulating mechanism of a cotton collecting drum, comprising: a negative pressure plate; two negative pressure chambers respectively matched with absorbent cotton cores are provided on the negative pressure plate; two pressure pipes corresponding to the two negative pressure chambers are detachably provided on the outer side of the negative pressure plate; two negative pressure chambers are each provided with a diverter; four through grooves are provided on the diverter; the output ends of the four through grooves are respectively connected with the negative pressure chambers; four pressure transmission channels corresponding to the four through grooves are provided on the pressure transmission pipe; the input ends of the four through grooves are respectively connected with the four pressure transmission channels in a one-to-one correspondence; the four pressure transmission channels are each provided with a regulating valve for regulating the pressure in the pressure transmission channel.

[0006] Optionally, the regulating valve includes: an adjusting baffle, an adjusting seat, an adjusting rod, and an adjusting handle; the adjusting baffle is rotatably arranged in the pressure delivery channel; one end of the adjusting rod is fixedly connected to the adjusting baffle after passing through the pressure delivery pipe, and the other end is fixedly connected to the adjusting seat; the adjusting handle is arranged on an extended end of the adjusting rod close to one end of the adjusting seat; the adjusting seat is located in the gap between the adjusting handle and the outer wall of the pressure delivery pipe; and at least one threaded hole for a screw to pass through is provided on the adjusting seat.

[0007] Optionally, four negative pressure areas corresponding to the shape of the absorbent cotton core are respectively arranged on the negative pressure chamber along the length direction of the negative pressure plate; and the output ends of the four through grooves are respectively arranged in the four negative pressure areas in a one-to-one correspondence.

[0008] Optionally, the pressure delivery pipe is a pressure delivery pipe with a fan-shaped cross-section.

[0009] Optionally, the negative pressure plate is a circular negative pressure plate.

[0010] A negative pressure regulating mechanism for a cotton collecting drum comprises the negative pressure regulating mechanism described above.

[0011] In summary, the utility model has the following beneficial effects: the negative pressure chamber of the cotton collecting drum is divided into multiple areas, and a negative pressure regulating valve is added to each area. According to the requirements of the cotton core thickness in different areas, suitable cotton core module cavities are used to adjust the negative pressure of each area, so that the thickness of each area of ​​the cotton core meets the requirements and the quality of the product is guaranteed; the overall structure is stable and easy to operate, which effectively improves work efficiency and effectively avoids the problem of insufficient compactness of the cotton core that is prone to occur in the production and processing of adult diapers, thereby ensuring product quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is an assembly drawing of the utility model;

[0013] Figure 2 It is a structural schematic diagram of the negative pressure plate when the utility model is assembled;

[0014] Figure 3 It is a structural schematic diagram of the pressure transmission pipe in the utility model;

[0015] Figure 4 It is a structural schematic diagram of the regulating component in the utility model.

[0016] In the figure: 1. negative pressure plate; 2. pressure transmission pipe; 3. negative pressure chamber; 4. diverter; 5. through groove; 6. regulating valve; 61. regulating baffle; 62. adjusting seat; 63. adjusting rod; 64. adjusting handle; 7. pressure transmission channel. DETAILED DESCRIPTION

[0017] In order to make the purpose, features and advantages of the utility model more obvious and easy to understand, the specific implementation methods of the utility model are described in detail below in conjunction with the accompanying drawings. Several embodiments of the utility model are given in the accompanying drawings. However, the utility model can be implemented in many different forms and is not limited to the embodiments described herein.

[0018] In the present utility model, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to the specific circumstances. The terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features.

[0019] In the present invention, unless otherwise clearly specified and limited, the first feature being "above" or "below" the second feature may include the first and second features being in direct contact, or the first and second features being in contact not directly but through another feature between them. Moreover, the first feature being "above", "above" and "above" the second feature includes the first feature being directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature. The first feature being "below", "below" and "below" the second feature includes the first feature being directly below and obliquely below the second feature, or simply indicates that the first feature is lower in level than the second feature. The terms "vertical", "horizontal", "left", "right", "above", "below" and similar expressions are for illustrative purposes only, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0020] The utility model is described in detail below in conjunction with the accompanying drawings and embodiments.

[0021] The utility model provides a negative pressure regulating mechanism for a cotton collecting drum, such as Figure 1-4 As shown, it comprises: a negative pressure plate 1; the negative pressure plate 1 is provided with two negative pressure chambers 3 respectively matched with the absorbent cotton core; the outer side of the negative pressure plate 1 is detachably provided with two pressure pipes 2 corresponding to the two negative pressure chambers 3; the two negative pressure chambers 3 are each provided with a diverter 4; the diverter 4 is provided with four through grooves 5; the output ends of the four through grooves 5 are respectively connected with the negative pressure chamber 3; the pressure pipe 2 is provided with four pressure transmission channels 7 corresponding to the four through grooves 5; the input ends of the four through grooves 5 are respectively connected with the four pressure transmission channels 7 in a one-to-one correspondence; the four pressure transmission channels 7 are each provided with a regulating valve 6 for adjusting the pressure in the pressure transmission channel 7; specifically, the pressure transmission pipe 2 is a pressure transmission pipe 2 externally connected to a negative pressure box; the four pressure transmission channels 7 are provided with regulating valves 6, which can effectively adjust the negative pressure amount of each pressure transmission channel 7.

[0022] Furthermore, the regulating valve 6 includes: an adjusting baffle 61, an adjusting seat 62, an adjusting rod 63, and an adjusting handle 64; the adjusting baffle 61 is rotatably arranged in the pressure delivery channel 7; one end of the adjusting rod 63 passes through the pressure delivery pipe 2 and is fixedly connected to the adjusting baffle 61, and the other end is fixedly connected to the adjusting seat 62; the adjusting handle 64 is arranged on an extended end of the adjusting rod 63 close to one end of the adjusting seat 62; the adjusting seat 62 is located in the gap between the adjusting handle 64 and the outer wall of the pressure delivery pipe 2; at least one threaded hole is provided on the adjusting seat 62 for the screw to pass through; specifically, when adjustment is required, the screw on the adjusting seat 62 that is threadedly connected to the threaded hole and abutting against the outer wall of the pressure delivery pipe 2 is loosened, and then the adjusting rod 63 is rotated by the adjusting handle to drive the adjusting plate to rotate, thereby realizing the size of the negative pressure in the pressure delivery channel 7, which is convenient and quick to operate.

[0023] Furthermore, four negative pressure areas corresponding to the shape of the absorbent cotton core are respectively arranged on the negative pressure chamber 3 along the length direction of the negative pressure plate 1; the output ends of the four through grooves 5 are respectively arranged in the four negative pressure areas in a one-to-one correspondence; specifically, among the four negative pressure areas, along the length direction of the negative pressure plate 1, the negative pressure areas located at the front and rear correspond to the two sides of the cotton core respectively, and the two negative pressure areas located at the middle end correspond to the middle part of the absorbent cotton core, each area is connected with the pressure supply pipe 2 by a different through groove 5, and the negative pressure enters into each area of ​​the negative pressure chamber 3 through the pressure supply pipe 2.

[0024] Furthermore, the pressure delivery pipe 2 is a pressure delivery pipe 2 with a fan-shaped cross section.

[0025] Furthermore, the negative pressure plate 1 is a circular negative pressure plate 1.

[0026] A negative pressure regulating mechanism for a cotton collecting drum comprises the negative pressure regulating mechanism described above.

[0027] In the specific implementation process, two negative pressure chambers 3 are respectively adapted to the absorbent cotton core, each negative pressure chamber 3 is divided into negative pressure areas, each area is connected to the pressure pipe 2 by different through grooves 5, and the negative pressure enters into each area of ​​the negative pressure chamber 3 through the pressure pipe 2. Among the four negative pressure areas, along the length direction of the negative pressure plate 1, the negative pressure areas at the front and rear correspond to the two sides of the cotton core respectively, and the two negative pressure areas at the middle end correspond to the middle of the absorbent cotton core; there are two pressure pipes 2 in total, which are connected to the two negative pressure chambers 3 respectively; each pressure pipe 2 is divided into four pressure channels 7, which are respectively connected to the four areas of the negative pressure chamber 3, and the pressure pipe 2 is connected to the negative pressure box, and the negative pressure source is connected to the negative pressure box, and the negative pressure chamber 3 is connected through the pressure pipe 2;

[0028] Each channel on the pressure transmission channel 7 is equipped with a set of regulating valves 6, which are composed of an adjusting baffle 61, an adjusting rod 63, an adjusting seat 62 and an adjusting handle 64. The adjusting baffle 61 and the adjusting handle 64 are connected by the adjusting rod 63 and are sleeved in the adjusting seat 62. The adjusting seat 62 is fixed at the corresponding position of each channel of the negative pressure pipeline; the adjusting handle 64 is rotated to adjust the angle between the adjusting baffle 61 and the channel, and the negative pressure can be adjusted by adjusting the angle; the adjusting seat 62 is provided with a locking screw hole, and when the negative pressure is adjusted appropriately, the adjusting baffle 61 can be locked with the locking screw; in actual use, according to the thickness requirements of each area of ​​the cotton core, the adjusting baffle 61 of each channel is adjusted to a suitable angle, and the adjusting baffle 61 is locked; the overall operation is convenient and fast, which effectively improves the production and processing efficiency, and effectively avoids the problems of uneven internal distribution of the cotton core and insufficient compactness of the cotton core that are prone to occur during the production and processing of adult diapers.

[0029] The utility model provides a cotton collecting drum and a negative pressure regulating mechanism thereof, which divide the negative pressure chamber 3 of the cotton collecting drum into a plurality of areas, and add a negative pressure regulating valve 6 to each area. According to the requirements of the cotton core thickness in different areas, suitable cotton core module cavities are matched to adjust the negative pressure of each area, so that the thickness of each area of ​​the cotton core meets the requirements, thereby ensuring the quality of the product; the overall structure is stable and easy to operate, which effectively improves the work efficiency, effectively avoids the problem of insufficient compactness of the cotton core that is prone to occur in the production and processing of adult diapers, and ensures product quality.

[0030] The above is only a preferred embodiment of the present invention. The protection scope of the present invention is not limited to the above embodiments. All technical solutions under the concept of the present invention belong to the protection scope of the present invention. It should be pointed out that for ordinary technicians in this technical field, some improvements and modifications without departing from the principle of the present invention should also be regarded as the protection scope of the present invention.

Claims

1. A negative pressure regulating mechanism for a cotton collecting drum, characterized in that: include: Negative pressure plate; The negative pressure plate is provided with two negative pressure chambers respectively matched with the absorbent cotton core; the outer side of the negative pressure plate is detachably provided with two pressure delivery tubes corresponding to the two negative pressure chambers; the two negative pressure chambers are both provided with flow dividers; the flow divider is provided with four through slots; the output ends of the four through slots are respectively connected with the negative pressure chambers; the pressure delivery tube is provided with four pressure delivery channels corresponding to the four through slots; The input ends of the four through grooves are respectively connected to the four pressure transmission channels in a one-to-one correspondence; and the four pressure transmission channels are each provided with a regulating valve for regulating the pressure in the pressure transmission channel.

2. A negative pressure regulating mechanism for a cotton collecting drum according to claim 1, characterized in that: The regulating valve comprises: an adjusting baffle, an adjusting seat, an adjusting rod, and an adjusting handle; the adjusting baffle is rotatably arranged in the pressure delivery channel; one end of the adjusting rod passes through the pressure delivery pipe and is fixedly connected to the adjusting baffle, and the other end is fixedly connected to the adjusting seat; the adjusting handle is arranged on an extended end of the adjusting rod close to one end of the adjusting seat; the adjusting seat is located in the gap between the adjusting handle and the outer wall of the pressure delivery pipe; and at least one threaded hole for a screw to pass through is provided on the adjusting seat.

3. The negative pressure regulating mechanism of the cotton collecting drum according to claim 1, characterized in that: The negative pressure chamber is provided with four negative pressure areas corresponding to the shape of the absorbent cotton core along the length direction of the negative pressure plate; the output ends of the four through grooves are respectively arranged in the four negative pressure areas in a one-to-one correspondence.

4. The negative pressure regulating mechanism of a cotton collecting drum according to claim 1, characterized in that: The pressure delivery pipe is a pressure delivery pipe with a fan-shaped cross section.

5. The negative pressure regulating mechanism of the cotton collecting drum according to claim 1, characterized in that: The negative pressure plate is a circular negative pressure plate.

6. A cotton collecting drum, characterized in that: It comprises the negative pressure regulating mechanism as described in any one of claims 1 to 5.

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