Filter screen fixing structure of compact spinning negative pressure chamber

Abstract

The utility model relates to a compact spinning negative pressure chamber filter screen fixing structure which is characterized in that an outer rubber pressing strip is arranged on the outer surface of the edge of a filter screen, an inner rubber pressing strip is arranged on the inner surface of the edge of the filter screen, and the outer rubber pressing strip, the edge of the filter screen and the inner rubber pressing strip are locked into a whole through a plurality of countersunk bolts and countersunk nuts which are distributed at intervals. The inner surface of the inner rubber pressing strip adheres to a hook-and-loop fastener son face, the outer surface of the cavity wall, on the edge of the air port, of the lower negative pressure cavity adheres to a hook-and-loop fastener mother face, and the hook-and-loop fastener mother face and the hook-and-loop fastener son face adhere to each other. And the cavity walls of the outer rubber pressing strip, the edge of the filter screen, the inner rubber pressing strip, the hook-and-loop fastener son surface, the hook-and-loop fastener mother surface and the edge of the air port are mutually locked through a plurality of locking bolts and locking nuts which are distributed at intervals. The problems that in the prior art, a gap exists between a filter screen of a lower negative pressure cavity and the cavity wall of the edge of an air port, sucked flying catkins, broken ends and the like are likely to enter a cavity where a draught fan is located through the gap, and operation of the draught fan is affected can be solved.

Description

Technical Field

[0001] The utility model relates to a filter screen fixing structure for a compact spinning negative pressure chamber. Background Art

[0002] Compact spinning, also known as solid dense spinning, compression spinning, and condensed spinning, is a modified version of the ring spinning frame. Its core technology is to install a gathering device at the output end of the front roller, so that the sliver is gathered before being output for twisting. This achieves the separation of drafting and gathering, avoiding the influence of the gathering effect on the friction distribution in the drafting zone. After gathering, the width of the drafted sliver is reduced, which reduces or even eliminates the twist triangle area, thus eliminating the adverse effects caused by the existence of the twist triangle area and improving yarn quality.

[0003] The negative pressure chamber is a key component of compact spinning, providing negative pressure for the negative pressure pipe and the suction pipe. The negative pressure generated by the lower negative pressure chamber feeds the suction pipe, allowing loose cotton and broken ends to flow through the pipe into the lower negative pressure chamber, where they are intercepted and collected by the filter. In existing technology, a gap exists between the filter in the lower negative pressure chamber and the wall at the edge of the air outlet. This gap easily allows loose cotton and broken ends to enter the fan chamber, impacting fan operation. Utility Model Content

[0004] In view of the deficiencies in the prior art, the technical problem to be solved by the present invention is to provide a compact spinning negative pressure chamber filter screen fixing structure.

[0005] In order to solve the above technical problems, the technical solution of the utility model is: a compact spinning negative pressure chamber filter fixing structure, comprising an air outlet of the lower negative pressure chamber of the compact spinning negative pressure chamber, the air outlet is fixedly connected to a filter support frame, and the filter support frame is covered with a filter to block the air outlet, and the outer surface of the edge of the filter screen is provided with an outer rubber strip, and the inner surface of the edge of the filter screen is provided with an inner rubber strip, the outer rubber strip, the edge of the filter screen, and the inner rubber strip are locked into one by a number of spaced countersunk bolts and countersunk nuts, and the inner surface of the inner rubber strip is pasted with a Velcro sub-surface, and the outer surface of the cavity wall of the lower negative pressure chamber at the edge of the air outlet is pasted with a Velcro mother surface, the Velcro mother surface and the Velcro sub-surface are adhered to each other, and the outer rubber strip, the edge of the filter screen, the inner rubber strip, the Velcro sub-surface, the Velcro mother surface, and the cavity wall of the air outlet edge are then locked with each other by a number of spaced locking bolts and locking nuts.

[0006] Preferably, the air outlet is in a square shape, the inner end side of the filter support frame is a square frame, and the outer end side is a round frame, and the round frame and the square frame are fixed to each other as a whole via a plurality of inclined connecting rods.

[0007] Preferably, the filter screen is covered on the outer surface of the filter screen support frame.

[0008] Preferably, the edge shape of the filter screen used to connect to the cavity wall where the air outlet is located is square, and the four sides of the square edge of the filter screen are provided with an outer rubber strip, an inner rubber strip, a Velcro sub-surface, and a Velcro main surface.

[0009] Preferably, a plurality of countersunk bolt holes corresponding to countersunk bolts are arranged at intervals on the outer rubber strip, and a plurality of countersunk nut holes corresponding to countersunk nuts are arranged at intervals on the inner rubber strip.

[0010] Preferably, the Velcro sub-surface is bonded to the inner surface of the inner rubber strip via 3M glue, and the Velcro mother surface is bonded to the cavity wall at the edge of the air vent via 3M glue.

[0011] Compared with the prior art, the utility model has the following beneficial effects: the compactly spun negative pressure chamber filter fixing structure is achieved by arranging an outer rubber strip on the outer surface of the edge of the filter and an inner rubber strip on the inner surface, and then the outer rubber strip, the filter edge and the inner rubber strip are locked together through a number of spaced countersunk bolts and countersunk nuts, so that the connection performance of the originally rough edge of the filter is enhanced; then the Velcro sub-surface and the Velcro mother surface are used to achieve a tight connection between the filter edge and the cavity wall of the air port edge to avoid gaps; finally, the outer rubber strip, the filter edge, the inner rubber strip, the Velcro sub-surface, the Velcro mother surface and the cavity wall of the air port edge are locked through a number of spaced locking bolts and locking nuts to achieve the fastening of the filter edge to the cavity wall.

[0012] The invention can solve the problem in the prior art that there is a gap between the filter screen of the lower negative pressure chamber and the cavity wall at the edge of the air outlet, which easily causes the inhaled flying catkins, broken ends, etc. to enter the chamber where the fan is located through the gap, affecting the operation of the fan.

[0013] The present invention will be further described in detail below with reference to the accompanying drawings and specific implementation methods. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic structural diagram of a filter support frame according to an embodiment of the present invention.

[0015] Figure 2 This is a schematic diagram of the structure of an embodiment of the present utility model.

[0016] Figure 3 This is a cross-sectional view of the connection of the filter edge of an embodiment of the present invention. DETAILED DESCRIPTION

[0017] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0018] It should be noted that the following detailed descriptions are exemplary and are intended to provide further explanation of the present application. Unless otherwise specified, all technical and scientific terms used herein have the same meaning as commonly understood by those skilled in the art to which the present application belongs.

[0019] It should be noted that the terms used herein are only for describing specific embodiments and are not intended to limit the exemplary embodiments according to the present application. As used herein, unless the context clearly indicates otherwise, the singular form is also intended to include the plural form. In addition, it should be understood that when the terms "comprise" and / or "include" are used in this specification, they indicate the presence of features, steps, operations, devices, components and / or combinations thereof.

[0020] like Figures 1-3 As shown, this embodiment provides a filter fixing structure for a compact spinning negative pressure chamber, comprising an air port 1 of the lower negative pressure cavity of the compact spinning negative pressure chamber, a filter support frame 2 being fixedly connected to the air port, and a filter 3 being covered on the filter support frame to block the air port, an outer rubber strip 4 being provided on the edge outer surface of the filter, and an inner rubber strip 5 being provided on the edge inner surface of the filter, the outer rubber strip, the filter edge and the inner rubber strip being locked together by a number of spaced countersunk bolts 6 and countersunk nuts 7, the inner surface of the inner rubber strip being pasted with a Velcro sub-surface 8, and a Velcro mother surface 9 being pasted on the outer surface of the cavity wall of the lower negative pressure cavity at the edge of the air port, the Velcro mother surface and the Velcro sub-surface being adhered to each other, and the outer rubber strip, the filter edge, the inner rubber strip, the Velcro sub-surface, the Velcro mother surface and the cavity wall 10 at the air port edge are then locked with each other by a number of spaced locking bolts 11 and locking nuts 12.

[0021] In the embodiment of the present invention, the air outlet is square in shape, the inner end side of the filter support frame is a square frame 13, and the outer end side is a round frame 14. The round frame and the square frame are fixed to each other as a whole via a plurality of inclined connecting rods 15.

[0022] In an embodiment of the present invention, the filter screen is covered on the outer surface of the filter screen support frame.

[0023] In an embodiment of the present invention, the edge shape of the filter screen used to connect to the cavity wall where the air outlet is located is square, and the four sides of the square edge of the filter screen are provided with an outer rubber strip, an inner rubber strip, a Velcro sub-surface, and a Velcro main surface.

[0024] In an embodiment of the present invention, a plurality of countersunk bolt holes corresponding to countersunk bolts are arranged at intervals on the outer rubber strip, and a plurality of countersunk nut holes corresponding to countersunk nuts are arranged at intervals on the inner rubber strip.

[0025] In an embodiment of the present invention, the Velcro sub-surface is bonded to the inner surface of the inner rubber strip via 3M adhesive, and the Velcro mother surface is bonded to the cavity wall at the edge of the air vent via 3M adhesive.

[0026] In an embodiment of the utility model, the compactly spun negative pressure chamber filter fixing structure is implemented by arranging an outer rubber strip on the outer surface of the edge of the filter and an inner rubber strip on the inner surface, and then the outer rubber strip, the filter edge and the inner rubber strip are locked together through a number of spaced countersunk bolts and countersunk nuts, so that the connection performance of the originally rough, soft and porous edge of the filter is enhanced; then the Velcro sub-surface and the Velcro mother surface are used to achieve a close connection between the filter edge and the cavity wall of the air port edge to avoid gaps; finally, the outer rubber strip, the filter edge, the inner rubber strip, the Velcro sub-surface, the Velcro mother surface and the cavity wall of the air port edge are locked through a number of spaced locking bolts and locking nuts, so that the filter edge is stably fastened to the cavity wall.

[0027] The invention can solve the problem in the prior art that there is a gap between the filter screen of the lower negative pressure chamber and the cavity wall at the edge of the air outlet, which easily causes the inhaled flying catkins, broken ends, etc. to enter the chamber where the fan is located through the gap, affecting the operation of the fan.

[0028] The above description is merely a preferred embodiment of the present invention and does not constitute any limitation thereto. Any person skilled in the art may utilize the above disclosure to modify or remodel the present invention into equivalent embodiments. However, any simple modification, equivalent variation, or modification of the above embodiment that does not depart from the technical content of the present invention and is based on the technical essence of the present invention shall still fall within the scope of protection of the present invention.

Claims

1. A filter screen fixing structure for a compact spinning negative pressure chamber, comprising an air port of a lower negative pressure chamber of the compact spinning negative pressure chamber, a filter screen support frame fixedly connected to the air port, and a filter screen support frame covered with a filter screen for shielding the air port, characterized in that: The outer surface of the edge of the filter screen is provided with an outer rubber strip, and the inner surface of the edge of the filter screen is provided with an inner rubber strip. The outer rubber strip, the edge of the filter screen, and the inner rubber strip are locked into one by a number of countersunk bolts and countersunk nuts distributed at intervals. The inner surface of the inner rubber strip is pasted with a Velcro sub-surface, and the outer surface of the cavity wall of the lower negative pressure cavity at the edge of the air port is pasted with a Velcro mother surface. The Velcro mother surface and the Velcro sub-surface are adhered to each other, and the outer rubber strip, the edge of the filter screen, the inner rubber strip, the Velcro sub-surface, the Velcro mother surface, and the cavity wall of the air port edge are then locked with each other by a number of locking bolts and locking nuts distributed at intervals.

2. The compact spinning negative pressure chamber filter fixing structure according to claim 1, characterized in that: The air port is in a square shape, the inner end side of the filter support frame is a square frame, and the outer end side is a round frame, and the round frame and the square frame are fixed to each other as a whole via a plurality of inclined connecting rods.

3. The compact spinning negative pressure chamber filter fixing structure according to claim 1, characterized in that: The filter screen is covered on the outer surface of the filter screen support frame.

4. The compact spinning negative pressure chamber filter fixing structure according to claim 1, characterized in that: The edge shape of the filter screen used to connect to the cavity wall where the air port is located is square, and the four sides of the square edge of the filter screen are provided with an outer rubber strip, an inner rubber strip, a Velcro sub-surface, and a Velcro main surface.

5. The compact spinning negative pressure chamber filter fixing structure according to claim 1, characterized in that: The outer rubber strip is provided with a plurality of countersunk bolt holes corresponding to the countersunk bolts at intervals, and the inner rubber strip is provided with a plurality of countersunk nut holes corresponding to the countersunk nuts at intervals.

6. The compact spinning negative pressure chamber filter fixing structure according to claim 1, characterized in that: The Velcro sub-surface is adhered to the inner surface of the inner rubber strip via 3M glue, and the Velcro mother surface is adhered to the cavity wall at the edge of the air port via 3M glue.

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