A laminar flow device for spinning synthetic fibers

Abstract

This utility model relates to a laminar flow device, specifically a laminar flow device for chemical fiber spinning, including a support frame; a cooling box and a circulation box fixedly installed on the support frame; both ends of the cooling box are provided with slots for threading the spinning yarn; the two ends of the cooling box are respectively connected to an inlet pipe and an outlet pipe; a circulation component is also included, disposed on the cooling box, including a jetting pipe connected to the inlet pipe for injecting liquid into the cooling box; and a oscillating component, which can drive the jetting pipe to oscillate back and forth; while the circulation component is in operation, the oscillating component will also be in operation to drive the jetting pipe to oscillate up and down, thereby improving the heat transfer efficiency between the coolant and the spinning yarn; by injecting coolant through the up and down oscillation, the temperature change of the coolant in the cooling box can be made more gradual (i.e., the temperature change value of the coolant is relatively small along the coolant flow direction), thereby improving the cooling effect.

Description

Technical Field

[0001] This utility model relates to a laminar flow device, specifically a laminar flow device used in chemical fiber spinning. Background Technology

[0002] Chemical fiber spinning is a core step in the production of chemical fibers (abbreviated as chemical fibers). It refers to the technical process of processing high molecular polymers (such as synthetic resins, regenerated cellulose, etc.) into continuous, slender fibers through physical or chemical methods. Extruders are often used for spinning production.

[0003] A laminar flow apparatus is used to cool the spinning process. Since the spun yarn produced by the extruder is relatively hot and has low strength, a laminar flow apparatus is used to cool the freshly produced yarn to prevent breakage or sticking. A common laminar flow apparatus includes a cooling box connected to the extruder, on which multiple sets of injection pipes are fixedly installed; it also includes a liquid circulation structure. This structure injects coolant into the cooling box through the injection pipes and draws coolant out of the cooling box. During its flow, the coolant comes into contact with the spinning yarn, absorbing heat and thus cooling the yarn.

[0004] Since the injection tube on a typical laminar flow device is fixed, the angle of liquid injection is also fixed. As the coolant comes into contact with the spinning process, the temperature of the coolant gradually increases along the direction of spinning. This causes the cooling effect of the coolant on the spinning process to gradually decrease as the distance from the injection tube increases, and the temperature gradient is large, resulting in poor overall cooling effect of the laminar flow device on the spinning process. Utility Model Content

[0005] The purpose of this invention is to provide a laminar flow device for chemical fiber spinning to solve the problems mentioned in the background art.

[0006] To achieve the above objectives, this utility model provides the following technical solution:

[0007] A laminar flow device for chemical fiber spinning, comprising a support;

[0008] It also includes a cooling box and a circulation box that are fixedly installed on the bracket;

[0009] Both ends of the cooling box are provided with slots for threading the spinning yarn;

[0010] The cooling tank has an inlet pipe and an outlet pipe connected to its two ends respectively; the outlet pipe is connected to the circulation tank.

[0011] It also includes a circulation assembly, disposed on the cooling tank, including a liquid injection pipe for injecting liquid into the cooling tank, which is connected to the liquid inlet pipe;

[0012] A swaying component, which can drive the injection tube to oscillate back and forth.

[0013] As described above, the laminar flow device for chemical fiber spinning has multiple sets of baffles fixedly installed inside the cooling box.

[0014] As described above, the laminar flow device for chemical fiber spinning includes a motor and a liquid pump fixedly mounted on the cooling tank; the output end of the motor is fixedly connected to the working shaft of the liquid pump; the outlet end of the liquid pump is connected to the inlet pipe; and the inlet end of the liquid pump is connected to the circulation tank.

[0015] As described above, the laminar flow device for chemical fiber spinning includes a ball tube fixedly installed on the cooling box and connected to the liquid inlet pipe; the ball tube has a liquid outlet groove; and a spherical sleeve fixedly connected to the liquid injection pipe is sealed on the ball tube.

[0016] As described above, the laminar flow device for chemical fiber spinning includes: the oscillating assembly comprising a rotating shaft rotatably mounted on the cooling box, the rotating shaft being connected to the output end of the motor via a belt; a rotating rod fixedly mounted on the end of the rotating shaft, and a first slider fixedly mounted on the rotating rod; a lifting rod slidably and sealingly connected to the cooling box; a connecting rod fixedly mounted on the lifting rod, and a first sliding groove provided on the connecting rod for sliding engagement with the first slider.

[0017] As described above, the laminar flow device for chemical fiber spinning includes a second sliding groove formed on the spherical sleeve; a connecting plate is fixedly installed on the lifting rod; multiple sets of lifting blocks are fixedly installed on the connecting plate, and a second slider that slides and engages with the second sliding groove is fixedly installed on the lifting block.

[0018] As described above, for laminar flow equipment used in chemical fiber spinning: a cooling module is fixedly installed on the circulation tank.

[0019] Compared with the prior art, the beneficial effects of this utility model are: while the circulation component is in operation, the oscillating component will also be in operation to drive the injection pipe to swing up and down, thereby improving the heat transfer efficiency between the coolant and the spinning process; and by injecting the coolant through the up-and-down oscillation, the temperature change of the coolant in the cooling box can be made more gradual (i.e., the temperature change value of the coolant is relatively small along the flow direction of the coolant), thereby improving the cooling effect. Attached Figure Description

[0020] Figure 1 This is a schematic diagram of a laminar flow device used in chemical fiber spinning.

[0021] Figure 2 This is a schematic diagram of a laminar flow device used for chemical fiber spinning from another perspective.

[0022] Figure 3 for Figure 2 A structural schematic diagram from a cross-sectional perspective.

[0023] Figure 4 This is a schematic diagram of the lifting rod structure in a laminar flow device used for chemical fiber spinning.

[0024] Figure 5 This is a schematic diagram of the jet tube in a laminar flow apparatus used for chemical fiber spinning.

[0025] In the diagram: 1. Bracket;

[0026] 2. Cooling box; 201. Slot;

[0027] 3. Partition;

[0028] 4. Liquid inlet pipe;

[0029] 5. Discharge pipe;

[0030] 6. Circulation box;

[0031] 7. Cooling module;

[0032] 8. Electric motor;

[0033] 9. Liquid pump;

[0034] 10. Shaft;

[0035] 11. Rotating rod; 1101. First slider;

[0036] 12. Connecting rod; 1201. First slide groove;

[0037] 13. Lifting boom;

[0038] 14. Connecting plate;

[0039] 15. Lifting block; 1501. Second slider;

[0040] 16. Gamma tube; 1601. Liquid outlet tank;

[0041] 17. Spherical sleeve; 1701. Injection tube; 1702. Second chute. Detailed Implementation

[0042] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0043] Please see Figures 1-5 As one embodiment of the present utility model, the laminar flow device for chemical fiber spinning includes a support 1;

[0044] It also includes a cooling box 2 and a circulation box 6 that are fixedly installed on the bracket 1;

[0045] Both ends of the cooling box 2 are provided with slots 201 for threading the spinning yarn;

[0046] The cooling tank 2 is connected to an inlet pipe 4 and an outlet pipe 5 at its two ends, respectively; the outlet pipe 5 is connected to the circulation tank 6.

[0047] It also includes a circulation component, which is disposed on the cooling tank 2, including a liquid injection pipe 1701 for injecting liquid into the cooling tank 2 and communicating with the liquid inlet pipe 4;

[0048] The oscillating component can drive the injection tube 1701 to oscillate back and forth.

[0049] In this embodiment, the cooling box 2 is fixedly connected to the extruder, wherein the slot 201 is connected to the extruder's outlet. During use, the operator first guides the filament through the slot 201 at the other end of the cooling box 2 and connects it to the yarn winding device. The filament extruded by the extruder has a relatively high temperature and low strength.

[0050] Both the circulation tank 6 and the cooling tank 2 are filled with coolant; and the water head of the liquid in the cooling tank 2 is higher than the height of the tank opening 201.

[0051] During production, the circulation component extracts the coolant with a lower temperature from the circulation tank 6 and injects it into the cooling tank 2 through the inlet pipe 4 and the injection pipe 1701. At the same time, the coolant with a higher temperature in the cooling tank 2 flows into the circulation tank 6 through the outlet pipe 5. This completes the circulation of the coolant and carries away the heat from the spinning process, thereby cooling the spinning process and preventing subsequent spinning sticking.

[0052] While the circulation component is in operation, the oscillating component will also be in operation to drive the injection pipe 1701 to swing up and down repeatedly, thereby improving the heat transfer efficiency between the coolant and the spinning process. Furthermore, by injecting the coolant through the up-and-down reciprocating oscillation, the temperature change of the coolant in the cooling tank 2 can be made more gradual (i.e., the temperature change of the coolant is relatively small along the flow direction of the coolant), thereby improving the cooling effect.

[0053] As a further embodiment of this utility model, multiple sets of partitions 3 are fixedly installed inside the cooling box 2.

[0054] In this embodiment, the partition 3 divides the cooling box 2 into multiple compartments, and each compartment corresponds to a set of slots 201, which can prevent the yarns in each slot 201 from contacting each other, thereby avoiding knotting; and each compartment corresponds to a liquid injection pipe 1701, which can effectively improve the cooling efficiency of each yarn.

[0055] Furthermore, the separation effect of the partition 3 makes the flow space of the coolant relatively narrow; thus, the flow speed of the coolant is relatively fast, which can prevent the spinning fibers from stretching and becoming thinner, thereby ensuring product quality.

[0056] As a further embodiment of this utility model, the circulation assembly also includes a motor 8 and a liquid pump 9 fixedly installed on the cooling tank 2; the output end of the motor 8 is fixedly connected to the working shaft of the liquid pump 9; the liquid outlet end of the liquid pump 9 is connected to the liquid inlet pipe 4; and the liquid inlet end of the liquid pump 9 is connected to the circulation tank 6.

[0057] As a further embodiment of this utility model, the circulation assembly further includes a ball tube 16 fixedly installed on the cooling tank 2 and connected to the liquid inlet pipe 4; the ball tube 16 is provided with a liquid outlet groove 1601; and a spherical sleeve 17 fixedly connected to the liquid injection pipe 1701 is sealed on the ball tube 16.

[0058] In this embodiment, when the motor 8 is activated, it drives the liquid pump 9 to work, thereby drawing out the coolant with a lower temperature from the circulation tank 6 and injecting it into the ball tube 16 through the liquid inlet pipe 4.

[0059] The outlet groove 1601 of the ball tube 16 is connected to the spherical sleeve 17, and the spherical sleeve 17 is connected to the injection pipe 1701. Therefore, the coolant in the ball tube 16 will enter the injection pipe 1701 through the outlet groove 1601 and be injected into the cooling box 2 by the injection pipe 1701.

[0060] At the same time, due to the suction effect of the liquid pump 9, the coolant in the circulation tank 6 flows, thereby drawing the coolant in the cooling tank 2 into the circulation tank 6 through the liquid outlet pipe 5 for cooling treatment.

[0061] The flowing coolant carries away the heat from the spinning process, thus cooling the spinning process and preventing subsequent spinning sticking.

[0062] While the circulation component is in operation, the oscillating component will also be in operation to drive the injection pipe 1701 to swing up and down repeatedly, thereby improving the heat transfer efficiency between the coolant and the spinning process. Furthermore, by injecting the coolant through the up-and-down reciprocating oscillation, the temperature change of the coolant in the cooling tank 2 can be made more gradual (i.e., the temperature change of the coolant is relatively small along the flow direction of the coolant), thereby improving the cooling effect.

[0063] As a further embodiment of this utility model, the oscillation assembly includes a rotating shaft 10 rotatably mounted on the cooling box 2, the rotating shaft 10 being connected to the output end of the motor 8 via a belt; a rotating rod 11 is fixedly mounted on the end of the rotating shaft 10, and a first slider 1101 is fixedly mounted on the rotating rod 11; a lifting rod 13 is slidably and sealingly connected to the cooling box 2; a connecting rod 12 is fixedly mounted on the lifting rod 13, and a first groove 1201 is provided on the connecting rod 12 to slidably engage with the first slider 1101.

[0064] As a further embodiment of this utility model, the oscillating component further includes a second sliding groove 1702 formed on the spherical sleeve 17; a connecting plate 14 is fixedly installed on the lifting rod 13; multiple sets of lifting blocks 15 are fixedly installed on the connecting plate 14, and a second slider 1501 that slides and engages with the second sliding groove 1702 is fixedly installed on the lifting block 15.

[0065] In this embodiment, when the motor 8 is activated, it drives the rotating shaft 10 to rotate via a belt, which in turn drives the rotating rod 11 to rotate, thereby causing the first slider 1101 to slide in the first slide groove 1201. Through the squeezing action of the first slider 1101 against the groove wall of the first slide groove 1201, the connecting rod 12 can be moved closer to or away from the cooling box 2, thereby causing the lifting rod 13 to reciprocate up or down in the cooling box 2.

[0066] During the rising or falling of the lifting rod 13, it will drive the connecting plate 14 to move synchronously, thereby driving the lifting block 15 to move synchronously, so as to drive the second slider 1501 to slide in the second slide groove 1702; through the squeezing action of the second slider 1501 on the groove wall of the second slide groove 1702, the spherical sleeve 17 can be driven to reciprocate on the ball tube 16, thereby driving the injection tube 1701 to swing back and forth.

[0067] The injection pipe 1701 injects coolant by reciprocating up and down to improve the heat transfer efficiency between the coolant and the spinning process; it also makes the temperature change of the coolant in the cooling box 2 more gradual (i.e., the temperature change of the coolant is relatively small along the flow direction of the coolant), thereby improving the cooling effect.

[0068] As a further improvement of this utility model, a cooling module 7 is fixedly installed on the circulation tank 6.

[0069] In this embodiment, the cooling module 7 is used to cool the coolant in the circulation tank 6, thereby ensuring that the temperature of the coolant injected into the cooling tank 2 by the injection pipe 1701 is relatively lower, thus improving the cooling effect on spinning.

[0070] The above embodiments are exemplary and not restrictive. Therefore, without departing from the spirit or basic characteristics of this utility model, any technical solutions that can be implemented in other specific forms are included in this utility model.

Claims

1. A laminar flow device for chemical fiber spinning, comprising a support (1); Its features are, It also includes a cooling box (2) and a circulation box (6) that are fixedly installed on the bracket (1); Both ends of the cooling box (2) are provided with slots (201) for threading the spinning yarn. The cooling tank (2) is connected to an inlet pipe (4) and an outlet pipe (5) at its two ends respectively; the outlet pipe (5) is connected to the circulation tank (6); It also includes a circulation assembly disposed on the cooling tank (2), including a liquid injection pipe (1701) for injecting liquid into the cooling tank (2) in communication with the liquid inlet pipe (4). A swaying assembly that can drive the injection tube (1701) to oscillate back and forth.

2. A laminar flow device for chemical fiber spinning according to claim 1, characterized in that, Multiple sets of partitions (3) are fixedly installed inside the cooling box (2).

3. A laminar flow device for chemical fiber spinning according to claim 2, characterized in that, The circulation assembly also includes a motor (8) and a liquid pump (9) fixedly installed on the cooling tank (2); the output end of the motor (8) is fixedly connected to the working shaft of the liquid pump (9); the liquid outlet end of the liquid pump (9) is connected to the liquid inlet pipe (4); and the liquid inlet end of the liquid pump (9) is connected to the circulation tank (6).

4. A laminar flow device for chemical fiber spinning according to claim 3, characterized in that, The circulation assembly also includes a ball tube (16) fixedly installed on the cooling tank (2) and connected to the liquid inlet pipe (4); the ball tube (16) is provided with a liquid outlet groove (1601); the ball tube (16) is sealed with a spherical sleeve (17) fixedly connected to the liquid injection pipe (1701).

5. A laminar flow device for chemical fiber spinning according to claim 4, characterized in that, The oscillation assembly includes a rotating shaft (10) rotatably mounted on the cooling box (2), and the rotating shaft (10) is connected to the output end of the motor (8) by a belt; a rotating rod (11) is fixedly mounted on the end of the rotating shaft (10), and a first slider (1101) is fixedly mounted on the rotating rod (11); a lifting rod (13) is slidably and sealingly connected to the cooling box (2); a connecting rod (12) is fixedly mounted on the lifting rod (13), and a first groove (1201) is provided on the connecting rod (12) to slidably engage with the first slider (1101).

6. A laminar flow device for chemical fiber spinning according to claim 5, characterized in that, The oscillation assembly also includes a second slide groove (1702) formed on the spherical sleeve (17); a connecting plate (14) is fixedly installed on the lifting rod (13); multiple sets of lifting blocks (15) are fixedly installed on the connecting plate (14), and a second slider (1501) that slides and engages with the second slide groove (1702) is fixedly installed on the lifting block (15).

7. A laminar flow device for chemical fiber spinning according to claim 1, characterized in that, A cooling module (7) is fixedly installed on the circulation tank (6).

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