An automatically shifting nonwoven web former

Abstract

The utility model relates to non - woven fabric production equipment, specifically provides a kind of automatic shift's non - woven fabric web former, to solve the problem that existing web former is easily blocked after the power failure of production equipment. For this purpose, the non - woven fabric web former of the utility model includes rack, track, web forming cylinder, first drive mechanism, first power source and second power source, and rack and track are slidably connected;First drive mechanism is configured to drive rack reciprocating movement along track, first power source is configured to provide power to first drive mechanism, and second power source is configured to provide power to cylinder drive assembly to drive web forming cylinder rotation. First power source is independent of second power source, first drive mechanism can still drive rack movement along track after the power failure of production equipment, so that web forming cylinder avoids melt-blow mechanism, and avoids melt-blow mechanism to block web forming cylinder by dripping material.

Description

Technical Field

[0001] This utility model relates to nonwoven fabric production equipment, specifically providing an automatic shifting nonwoven fabric web forming machine. Background Technology

[0002] Non-woven fabric, also known as non-woven textile, is a fibrous product formed directly through physical, chemical, or mechanical means without the need for traditional spinning and weaving processes. It can be made in various thicknesses, textures, and hardnesses, and features moisture resistance, breathability, flexibility, lightness, low cost, good filtration, and recyclability. Non-woven fabrics can be used in various industries, such as medical, clothing, household goods, and industrial applications, for purposes such as sound insulation, heat insulation, and adsorption filtration.

[0003] Nonwoven fabrics are typically formed using meltblown and spunbond processes. The meltblown process requires a web-forming machine. At the web-forming machine, the randomly dispersed filaments formed by meltblowing are uniformly collected onto a receiving screen through negative pressure suction or mechanical conveying, forming a continuous fiber web, thus creating a porous and fluffy nonwoven fabric. It's understood that the receiving screen in the web-forming machine has many tiny mesh structures, which create negative pressure when suctioned from within.

[0004] The meltblown mechanism contains a large amount of raw materials in a molten state. When the production equipment is powered off, the molten raw materials are very likely to drip from the outlet of the meltblown mechanism onto the web forming machine, which can easily clog the receiving screen of the web forming machine.

[0005] Therefore, there is an urgent need for a nonwoven fabric forming machine with baffles to solve the problem that existing forming machines are easily blocked after the production equipment is powered off. Utility Model Content

[0006] The present invention aims to solve the above-mentioned technical problems, namely, to solve the problem that existing web forming machines are easily blocked after the production equipment is powered off.

[0007] In a first aspect, this utility model provides an automatic shifting nonwoven fabric web forming machine, comprising: a frame; a track, the frame being slidably connected to the track; a web forming roller, horizontally arranged and rotatably connected to the frame, the surface of the web forming roller being hollow and covered with a receiving screen on the outside, the receiving screen being mesh-like, the web forming roller being hollow and configured to have negative pressure, the rotating shaft of the web forming roller being connected to a roller drive assembly to drive the web forming roller to rotate; a first drive mechanism configured to drive the frame to reciprocate along the track; a first power source configured to provide power to the first drive mechanism; and a second power source configured to provide power to the roller drive assembly to drive the web forming roller to rotate.

[0008] By adopting the above technical solution, a first power source independent of the second power source is used. After the production equipment is powered off, the first drive mechanism can still drive the frame to move along the track, so that the forming roller avoids the meltblown mechanism and prevents the material dripping from the meltblown mechanism from blocking the forming roller.

[0009] In the specific implementation of the above-mentioned automatic shifting nonwoven fabric forming machine, the first power source is a battery or emergency power supply, and the first drive mechanism is an electric mechanism.

[0010] In a specific embodiment of the above-mentioned automatic shifting nonwoven fabric forming machine, the first driving mechanism includes a first motor, a first lead screw, a first slider, and a first braking assembly. The first lead screw is rotatably connected to a support plate fixed on the ground. The first motor is configured to drive the first lead screw to rotate. The first slider is threadedly connected to the first lead screw and fixedly connected to the frame. The first braking assembly is configured to brake the first lead screw when energized.

[0011] By adopting the above technical solution, the rotation of the first motor can drive the rotation of the first lead screw, thereby driving the first slider and the frame to move along the track to change the position of the web forming roller.

[0012] In a specific embodiment of the above-mentioned automatic shifting nonwoven fabric web forming machine, the web forming rollers include two sets, each set of web forming rollers is set on a separate frame, the first sliders include two sets, each set of first sliders corresponds to one frame, and the first lead screw rotates in the opposite direction to the rotation of each set of first sliders.

[0013] By adopting the above technical solution, after the first lead screw rotates, it can simultaneously drive the two sets of first sliders to move in opposite directions, so that the two web forming rollers move closer to each other or further away from each other.

[0014] In the specific implementation of the above-mentioned automatic shifting nonwoven fabric forming machine, the first power source is compressed air, and the first driving mechanism is a pneumatic mechanism.

[0015] In a specific embodiment of the above-mentioned automatic shifting nonwoven fabric forming machine, the nonwoven fabric forming machine further includes a second driving mechanism. The second driving mechanism includes a second motor, a second lead screw, a second slider, and a second braking assembly. The second lead screw is rotatably connected to a support plate fixed on the ground. The second motor is configured to drive the second lead screw to rotate. The second slider is threadedly connected to the second lead screw and fixedly connected to the frame. The second braking assembly is configured to brake the second lead screw when energized. The second power source is also configured to supply power to the second motor.

[0016] By adopting the above technical solution, the second motor drives the second lead screw to rotate, which in turn drives the second slider and the frame to move back and forth along the track to adjust the position of the web forming roller. At the same time, the second braking component can brake the second lead screw to fix the position of the second slider after being energized, thereby fixing the position of the web forming roller.

[0017] In a specific embodiment of the above-mentioned automatic shifting nonwoven fabric web forming machine, the rotating shaft of the web forming roller is hollow along the axial direction, the cavity of the rotating shaft is connected to the cavity of the web forming roller, and the rotating shaft is connected to the air inlet of the negative pressure fan through a pipe.

[0018] In a specific embodiment of the above-mentioned automatic shifting nonwoven fabric forming machine, the nonwoven fabric forming machine further includes a guide roller, which is rotatably connected to the frame and is used to guide the nonwoven fabric formed by the forming roller.

[0019] Compared with the prior art, the present invention has the following beneficial effects:

[0020] The nonwoven fabric forming machine provided by this utility model includes a frame, a track, a forming roller, a first drive mechanism, a first power source, and a second power source. The frame is slidably connected to the track. The forming roller is horizontally arranged and rotatably connected to the frame. The surface of the forming roller is hollow and covered with a receiving screen, which is mesh-like. The forming roller is hollow and configured to have negative pressure. The rotating shaft of the forming roller is connected to a roller drive assembly to drive the forming roller to rotate. The first drive mechanism is configured to drive the frame to reciprocate along the track. The first power source is configured to provide power to the first drive mechanism. The second power source is configured to provide power to the roller drive assembly to drive the forming roller to rotate. By using a first power source independent of the second power source, the first drive mechanism can still drive the frame to move along the track after the production equipment is powered off, allowing the forming roller to avoid the meltblown mechanism and preventing the material dripping from the meltblown mechanism from blocking the forming roller. Attached Figure Description

[0021] The preferred embodiments of this utility model are described below with reference to the accompanying drawings, in which:

[0022] Figure 1 This is a schematic diagram of a nonwoven fabric web forming machine provided by this utility model.

[0023] Figure 2 This is a cross-sectional view of the web forming roller provided by this utility model.

[0024] Figure 3 This is a schematic diagram of another nonwoven fabric forming machine provided by this utility model.

[0025] Figure 4 This is a schematic diagram of another nonwoven fabric web forming machine provided by this utility model.

[0026] Figure 5 This is a schematic diagram of the second drive mechanism in a nonwoven fabric web forming machine provided by this utility model.

[0027] Explanation of reference numerals in the attached figures:

[0028] 1. Frame; 11. Support plate; 2. Track; 3. Forming roller; 31. Receiving screen; 32. Rotating shaft; 4. Guide roller; 5. First drive mechanism; 51. First motor; 52. First lead screw; 521. First threaded section; 522. Second threaded section; 53. First slider; 6. Second drive mechanism; 61. Second motor; 62. Second lead screw; 63. Second slider; 7. Meltblowing mechanism. Detailed Implementation

[0029] Preferred embodiments of the present invention will now be described with reference to the accompanying drawings. Those skilled in the art should understand that these embodiments are merely illustrative of the technical principles of the present invention and are not intended to limit the scope of protection of the present invention.

[0030] It should be noted that in the description of this utility model, the terms "upper," "lower," "left," "right," "inner," and "outer," which indicate directional or positional relationships, are based on the directional or positional relationships shown in the accompanying drawings. These are merely for ease of description and do not indicate or imply that the device or element must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0031] Furthermore, it should be noted that, in the description of this utility model, unless otherwise explicitly specified and limited, the terms "installation," "setting," and "connection" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a direct connection, an indirect connection through an intermediate medium, or a connection within two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0032] To address the issue of existing web forming machines being easily blocked after a power outage, refer to... Figure 1 This utility model provides an automatic shifting nonwoven fabric web forming machine, including a frame 1, a track 2, a web forming roller 3 and a first drive mechanism 5. The track 2 is laid on the ground, and the frame 1 is slidably connected to the track 2. The web forming roller 3 is horizontally arranged and rotatably connected to the frame 1. The rotating shaft 32 of the web forming roller 3 is connected to a roller drive assembly to drive the web forming roller 3 to rotate. The first drive mechanism 5 is configured to drive the frame 1 to reciprocate along the track 2 to change the position of the web forming roller 3.

[0033] It should be noted that the first drive mechanism 5 is powered by a first power source, while the roller drive assembly is powered by a second power source. The first and second power sources are independent of each other. After the second power source stops supplying power, i.e., after the production equipment is powered off, the first power source can still provide power to the first drive mechanism 5 to drive the frame 1 and the forming roller 3 connected to the frame 1 to move along the track 2 to change position, thereby preventing the molten material in the meltblown mechanism 7 from dripping onto the forming roller 3.

[0034] refer to Figure 2 The surface of the forming roller 3 is hollowed out and the outside is covered with a receiving screen 31. The receiving screen 31 is mesh-like and has a high mesh count. Among them, the receiving screen 31 is a component on the forming roller 3 that is relatively easy to be clogged by debris. Therefore, it needs to be protected to avoid replacement after clogging, which would increase maintenance costs.

[0035] The inside of the forming roller 3 is hollow, forming a cavity, and the rotating shaft 32 of the forming roller 3 is also hollow. The end of the rotating shaft 32 of the forming roller 3 away from the roller drive assembly is connected to the air inlet of the negative pressure fan through a pipe, so that the cavity of the forming roller 3 can always maintain negative pressure.

[0036] Under normal circumstances, the meltblown mechanism 7 can spray out filamentous fibers. After passing through the web forming roller 3, the randomly dispersed filamentous fibers are evenly collected on the receiving screen 31 under the negative pressure of the web forming roller 3 to form a continuous fiber web, thereby forming a porous and fluffy nonwoven fabric.

[0037] For example, a guide roller 4 is provided on the frame 1, and the guide roller 4 is rotatably connected to one of the frames 1 to guide the nonwoven fabric formed by the web forming roller 3.

[0038] In some examples, the first power source is a battery or emergency power supply, and the first drive mechanism 5 is an electric mechanism that uses an independent battery or emergency power supply to power the first drive mechanism 5.

[0039] For example, refer to Figure 1The first drive mechanism 5 includes a first motor 51, a first lead screw 52, ​​a first slider 53, and a first braking assembly. The first lead screw 52 is rotatably connected to a support plate 11 fixed on the ground. The first motor 51 is configured to drive the first lead screw 52 to rotate. The first slider 53 is threadedly connected to the first lead screw 52 and fixedly connected to the frame 1. The first braking assembly is configured to brake the first lead screw 52 when energized. The rotation of the first motor 51 can drive the first lead screw 52 to rotate, thereby driving the first slider 53 and the frame 1 to move along the track 2 to change the position of the forming roller 3. The first braking assembly is not energized under normal conditions. When the first lead screw 52 and the first slider 53 drive the frame 1 and the forming roller 3 to move to a suitable distance, the first braking assembly is energized to brake the first lead screw 52 and prevent the first slider 53, the frame 1, and the forming roller 3 from moving along the track 2.

[0040] Furthermore, refer to Figure 3 The forming rollers 3 consist of two sets, each set mounted on a separate frame 1. The first sliders 53 also consist of two sets, each set corresponding to a frame 1. The first lead screw 52 is connected to each set of first sliders 53 in the opposite direction of rotation. Specifically, the first lead screw 52 comprises two parts: a first threaded section 521 and a second threaded section 522. The first threaded section 521 and the second threaded section 522 rotate in opposite directions and are rotatably connected to the two sets of first sliders 53, respectively. During the rotation of the first lead screw 52, ​​the first threaded section 521 and the second threaded section 522 can drive the two sets of first sliders 53 to move in opposite directions, bringing them closer together or further apart. This allows the two forming rollers 3 to move closer or further apart simultaneously, thereby quickly adjusting the distance between them.

[0041] Of course, in other possible embodiments, the two forming rollers 3 and the corresponding frame 1 can be driven by two independent first drive mechanisms 5 to change their positions.

[0042] In other examples, the first power source is compressed air, and the first drive mechanism 5 is a pneumatic mechanism.

[0043] Additionally, refer to Figure 4 and Figure 5The nonwoven fabric forming machine provided by this utility model also includes a second drive mechanism 6. The second drive mechanism 6 includes a second motor 61, a second lead screw 62, a second slider 63, and a second braking assembly. The second lead screw 62 is rotatably connected to a support plate 11 fixed on the ground. The second motor 61 is configured to drive the second lead screw 62 to rotate. The second slider 63 is threadedly connected to the second lead screw 62 and fixedly connected to the frame 1. The second braking assembly is configured to brake the second lead screw 62 when energized. The second motor 61 drives the second lead screw 62 to rotate, causing the second slider 63 and the frame 1 to reciprocate along the track 2 to adjust the position of the forming roller 3. At the same time, when the second braking assembly is energized, it can brake the second lead screw 62 to fix the position of the second slider 63, thereby fixing the position of the forming roller 3.

[0044] The second motor 61 is powered by a second power source. Under normal circumstances, the nonwoven fabric forming machine supplies power to both the roller drive assembly and the second motor 61 through the second power source. The roller drive assembly is used to drive the forming roller 3 to rotate, and the second motor 61 is used to drive the second lead screw 62 to rotate, so as to adjust the position of the forming roller 3.

[0045] It should be noted that when the second power source is able to supply power normally, the first power source does not provide power to drive the first drive mechanism 5 to work. At this time, the first drive mechanism 5 will not self-lock during the operation of the second drive mechanism 6 (for example, the first braking component is not powered), ensuring that the first drive mechanism 5 will not affect the normal operation of the second drive mechanism 6.

[0046] In summary, the working process of the nonwoven fabric web forming machine provided by this utility model is as follows:

[0047] When the second power source is supplying power normally, it provides power to the second motor 61 and the roller drive assembly. The roller drive assembly drives the forming roller 3 to rotate, and the second motor 61 drives the second lead screw 62 to rotate, thereby adjusting the position of the forming roller 3 to suit production. Simultaneously, the first power source does not provide power to drive the first drive mechanism 5. During the operation of the second drive mechanism 6, the first drive mechanism 5 will not self-lock (e.g., the first braking assembly is not energized), ensuring that the first drive mechanism 5 does not affect the normal operation of the second drive mechanism 6.

[0048] When the second power source fails to supply power normally, the second braking component will not brake the second lead screw 62 due to power failure. At this time, after the first power source drives the first drive mechanism 5 to work, the second drive mechanism 6 will not affect the normal operation of the first drive mechanism 5. Specifically, the first power source provides power to the first drive component, driving the frame 1 and the forming roller 3 to move along the track 2, thereby changing the position of the forming roller 3 to avoid the discharge position of the meltblown mechanism 7 and prevent residual material in the meltblown mechanism 7 from dripping and clogging the forming roller 3. The technical solution of this utility model has been described in conjunction with the preferred embodiments shown in the accompanying drawings. However, it will be readily understood by those skilled in the art that the protection scope of this utility model is obviously not limited to these specific embodiments. Without departing from the principle of this utility model, those skilled in the art can make equivalent changes or substitutions to the relevant technical features, and the technical solutions after these changes or substitutions will all fall within the protection scope of this utility model.

Claims

1. An automatic shifting nonwoven fabric web forming machine, characterized in that, include: Rack (1); The frame (1) is slidably connected to the track (2); A web forming roller (3) is horizontally set and rotatably connected to the frame (1). The surface of the web forming roller (3) is hollow and the outside is covered with a receiving screen (31). The receiving screen (31) is mesh-like. The web forming roller (3) is hollow and configured to have negative pressure. The rotating shaft (32) of the web forming roller (3) is connected to a roller drive assembly to drive the web forming roller (3) to rotate. The first drive mechanism (5) is configured to drive the frame (1) to reciprocate along the track (2); The first power source is configured to provide power to the first drive mechanism (5); The second power source is configured to provide power to the roller drive assembly to drive the web forming roller (3) to rotate.

2. The automatic shifting nonwoven fabric web forming machine according to claim 1, characterized in that, The first power source is a battery or an emergency power source, and the first drive mechanism (5) is an electric mechanism.

3. The automatic shifting nonwoven fabric web forming machine according to claim 2, characterized in that, The first drive mechanism (5) includes a first motor (51), a first lead screw (52), a first slider (53), and a first braking assembly. The first lead screw (52) is rotatably connected to a support plate fixed on the ground. The first motor (51) is configured to drive the first lead screw (52) to rotate. The first slider (53) is threadedly connected to the first lead screw (52) and fixedly connected to the frame (1). The first braking assembly is configured to brake the first lead screw (52) when energized.

4. The automatic shifting nonwoven fabric web forming machine according to claim 3, characterized in that, The forming roller (3) includes two sets, each set of forming roller (3) is set on a separate frame (1), the first slider (53) includes two sets, each set of first slider (53) corresponds to one frame (1), and the first lead screw (52) is rotated in the opposite direction to the rotation of each set of first slider (53).

5. The automatic shifting nonwoven fabric web forming machine according to claim 1, characterized in that, The first power source is compressed air, and the first drive mechanism (5) is a pneumatic mechanism.

6. The automatic shifting nonwoven fabric web forming machine according to claim 1, characterized in that, The nonwoven fabric forming machine further includes a second drive mechanism (6), which includes a second motor (61), a second lead screw (62), a second slider (63), and a second braking assembly. The second lead screw (62) is rotatably connected to a support plate fixed on the ground. The second motor (61) is configured to drive the second lead screw (62) to rotate. The second slider (63) is threadedly connected to the second lead screw (62) and fixedly connected to the frame (1). The second braking assembly is configured to brake the second lead screw (62) when energized. The second power source is also configured to supply power to the second motor (61).

7. The automatic shifting nonwoven fabric web forming machine according to claim 1, characterized in that, The rotating shaft (32) of the forming roller (3) is hollow along the axial direction. The cavity of the rotating shaft (32) is connected to the cavity of the forming roller (3). The rotating shaft (32) is connected to the air inlet of the negative pressure fan through a pipe.

8. The automatic shifting nonwoven fabric web forming machine according to claim 1, characterized in that, The nonwoven fabric forming machine also includes a guide roller (4), which is rotatably connected to the frame (1) and is used to guide the nonwoven fabric formed by the forming roller (3).

Images