A double-cavity sand cup for composite spinning

Abstract

This invention discloses a dual-chamber abrasive cup for composite spinning. The abrasive cup contains two filter chambers, each with a discharge port at its bottom, connected to the input end of a diverter channel. The output end of each diverter channel has at least two diverter outlets. These diverter outlets are arranged in a circular array at the bottom of the abrasive cup, with the outlets belonging to the two diverter channels interleaved. Each of the two diverter channels has two diverter outlets at its output end. At the bottom of the abrasive cup, the diverter outlets are distributed at equal angles circumferentially. The two filter chambers are arranged side-by-side within the abrasive cup, with the discharge port located at the center of the bottom of each filter chamber. The two diverter channels are a transverse diverter channel and a longitudinal diverter channel, with the two diverter outlets of the transverse diverter channel located directly below the two discharge ports. This invention enables a more uniform distribution of the spinning melt within the abrasive cup.

Description

Technical Field

[0001] This utility model relates to the field of spinning component technology, and in particular to a double-cavity sand cup for composite spinning. Background Technology

[0002] In bicomponent composite spinning, two filter chambers are set in the sand cup within the spinning assembly to filter the two types of spinning melts respectively. The spinning melt flowing out of the filter chambers is redistributed by a distribution plate. Currently, the filter chambers often have only a single outlet. Due to the large differences in the distance between each distribution hole and the outlet on the distribution plate, the internal flow rate of each distribution hole also varies significantly, resulting in poor uniformity of the produced spun fibers. Summary of the Invention

[0003] Purpose of the invention: In order to overcome the shortcomings of the existing technology, this utility model provides a double-cavity sand cup for composite spinning, which can make the distribution of spinning melt in the sand cup more uniform.

[0004] Technical solution: To achieve the above objectives, this utility model provides a double-chamber sand cup for composite spinning. The sand cup has two filter chambers, and the bottom of the filter chamber has a discharge port connected to the input end of the diversion channel. The output end of the diversion channel has at least two diversion outlets. The diversion outlets are arranged in a ring array at the bottom of the sand cup, and the diversion outlets belonging to the two diversion channels are staggered.

[0005] Furthermore, each of the two branch channels has two branch outlets at its output end; at the bottom of the sand cup, each branch outlet is distributed circumferentially at an equal angle.

[0006] Furthermore, the two filter chambers are arranged side by side inside the sand cup, and the discharge port is located at the bottom center of the filter chamber; the two diversion channels are a transverse diversion channel and a longitudinal diversion channel, and the two diversion outlets of the transverse diversion channel are located directly below the two discharge ports.

[0007] Furthermore, the transverse diversion channel includes a straight section located at the center of the sand cup. The upper end of the straight section is connected to the discharge port via an inclined guide section, and the lower end of the straight section is connected to two inclined sections. The two inclined sections are symmetrically arranged, and the lower ends of the two inclined sections extend to the bottom of the sand cup to form two diversion outlets.

[0008] Furthermore, the longitudinal diversion channel includes two bifurcated sections, which are symmetrically arranged. The upper end of the bifurcated section is connected to the discharge port, and the lower end of the bifurcated section extends to the bottom of the sand cup, forming two diversion outlets.

[0009] Furthermore, the diversion outlet is perpendicular to the bottom of the sand cup.

[0010] Furthermore, the bottom of the filter chamber is conical, and the discharge port is vertically located at the top of the bottom cone of the filter chamber.

[0011] Beneficial effects: The present invention provides a double-chamber sand cup for composite spinning, in which two flow channels are respectively set at the outlet of the two filter chambers in the sand cup, so that the spinning melt flows out from multiple flow outlets. Moreover, the flow outlets are arranged in a ring, and the flow outlets belonging to the two flow channels are staggered, thereby improving the uniformity of the distribution of the spinning melt by the sand cup. Attached Figure Description

[0012] Appendix Figure 1 This is a front view of the sand cup structure of this utility model;

[0013] Appendix Figure 2 This is a schematic diagram of the two branch flow channels inside the sand cup. Detailed Implementation

[0014] The present invention will be further described below with reference to the accompanying drawings.

[0015] As attached Figures 1 to 2 The aforementioned dual-chamber abrasive cup for composite spinning comprises a cup 1 containing two filter chambers 2, through which the two types of spun yarns from the composite spinning process pass respectively. When the cup 1 is assembled within a spinning assembly, the filter chambers 2 are equipped with multiple layers of filter components, such as metal support mesh, sintered metal sand, or fine filter screens, to finely filter the spun yarns. At least two distribution plates are positioned below the cup 1, each plate having a plurality of distribution holes, allowing the spun yarns flowing from the filter chambers 2 to be redistributed via these distribution plates.

[0016] At the bottom of the filter chamber 2 is a discharge port 3, and a diversion channel 4 is also provided inside the sand cup 1. The discharge port 3 is connected to the input end of the diversion channel 4, and the output end of the diversion channel 4 forms at least two diversion outlets 9. The diversion outlets 9 are located at the bottom of the sand cup 1, and the diversion outlets 9 belonging to the two diversion channels 4 are arranged in a ring array at the bottom of the sand cup 1, and the diversion outlets 9 are staggered. In the next layer of the distribution plate, the flow rate in the distribution hole closer to the diversion outlet 9 will be greater, which will cause uneven flow distribution in each distribution hole. In this utility model, since there are multiple diversion ports, and the multiple diversion ports form a ring array, the distance difference between each distribution hole and the diversion port is small, thereby reducing the flow difference between each distribution hole and improving the uniformity of the distribution of spinning melt by the sand cup 1.

[0017] Specifically, two branch outlets 9 are formed at the output ends of the two branch channels 4. At the bottom of the sand cup 1, the branch outlets 9 are distributed circumferentially at equal angles.

[0018] As attached Figure 2As shown, the two filter chambers 2 are arranged side by side inside the sand cup 1, and the discharge port 3 is located at the bottom center of the filter chamber 2. The side-by-side direction of the two filter chambers 2 is called the transverse direction, and the two diversion channels 4 are respectively called the transverse diversion channel 41 and the longitudinal diversion channel 42. The two diversion outlets 9 of the transverse diversion channel 41 are located directly below the two discharge ports 3.

[0019] The transverse diversion channel 41 includes a straight section 5, which extends vertically and is located at the center of the sand cup 1. The upper end of the straight section 5 is connected to the discharge port 3 via an inclined guide section 6. The lower end of the straight section 5 is connected to two inclined sections 7, which are symmetrically arranged. The lower ends of the two inclined sections 7 extend to the bottom of the sand cup 1, forming two diversion outlets 9, which are located directly below the two discharge ports 3. Both the inclined guide section 6 and the inclined sections 7 are inclined, and the connection between the straight section 5 and the inclined guide section 6 or the inclined sections 7 is smooth.

[0020] The longitudinal diversion channel 42 includes two bifurcated sections 8, which are symmetrically arranged. The upper end of the bifurcated section 8 is smoothly connected to the discharge port 3, and the lower end of the bifurcated section 8 extends to the bottom of the sand cup 1 to form two diversion outlets 9.

[0021] All the diversion outlets 9 are perpendicular to the bottom of the sand cup 1, so that the direction of movement of the spinning melt when it flows out of the diversion channel 4 can be perpendicular to the distribution plate.

[0022] The bottom of the filter chamber 2 is conical, and the outlet 3 is vertically set at the top of the bottom cone of the filter chamber 2. The spinning melt can converge along the conical bottom of the filter chamber 2 toward the outlet 3.

[0023] The above description is only a preferred embodiment of the present utility model. It should be noted that for those skilled in the art, several improvements and modifications can be made without departing from the principle of the present utility model, and these improvements and modifications should also be considered within the protection scope of the present utility model.

Claims

1. A double-chamber sand cup for composite spinning, characterized in that: The sand cup (1) has two filter chambers (2), and the bottom of the filter chamber (2) has a discharge port (3). The discharge port (3) is connected to the input end of the diversion channel (4). The output end of the diversion channel (4) has at least two diversion outlets (9). Each diversion outlet (9) is arranged in a ring array at the bottom of the sand cup (1), and the diversion outlets (9) belonging to the two diversion channels (4) are staggered.

2. The double-chamber sand cup for composite spinning according to claim 1, characterized in that: The output ends of the two branch channels (4) each form two branch outlets (9); at the bottom of the sand cup (1), each branch outlet (9) is distributed circumferentially at equal angles.

3. The double-chamber sand cup for composite spinning according to claim 2, characterized in that: The two filter chambers (2) are arranged side by side in the sand cup (1), and the discharge port (3) is located at the bottom center of the filter chamber (2); the two diversion channels (4) are a transverse diversion channel (41) and a longitudinal diversion channel (42), and the two diversion outlets (9) of the transverse diversion channel (41) are located directly below the two discharge ports (3).

4. The double-cavity sand cup for composite spinning according to claim 3, characterized in that: The transverse diversion channel (41) includes a straight section (5), which is located at the center of the sand cup (1). The upper end of the straight section (5) is connected to the discharge port (3) through the inclined guide section (6). The lower end of the straight section (5) is connected to two inclined sections (7). The two inclined sections (7) are symmetrically arranged, and the lower ends of the two inclined sections (7) extend to the bottom of the sand cup (1) to form two diversion outlets (9).

5. The double-cavity sand cup for composite spinning according to claim 3, characterized in that: The longitudinal diversion channel (42) includes two bifurcated sections (8), which are symmetrically arranged. The upper end of the bifurcated section (8) is connected to the discharge port (3), and the lower end of the bifurcated section (8) extends to the bottom of the sand cup (1) to form two diversion outlets (9).

6. The double-cavity sand cup for composite spinning according to claim 3, characterized in that: The diversion outlet (9) is perpendicular to the bottom of the sand cup (1).

7. The double-cavity sand cup for composite spinning according to claim 3, characterized in that: The bottom of the filter chamber (2) is conical, and the discharge port (3) is vertically set at the top of the bottom cone of the filter chamber (2).

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