Polypropylene fiber extruder

By introducing a heat exchange box and heat exchange tube system into the polypropylene fiber extruder, efficient cooling and heat energy reuse are achieved, solving the problems of poor cooling effect and heat energy waste, and providing a convenient cleaning and material handling method.

CN222332150UActive Publication Date: 2025-01-10XINJIANG DEPINYUAN PACKAGING CO LTD
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Patent Information

Application Number
CN202420659326.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-04-02
Publication Date
2025-01-10
Estimated Expiration
2034-04-02

AI Technical Summary

Technical Problem

Existing polypropylene fiber extruders have poor cooling performance and low thermal efficiency, resulting in wasted thermal energy.

Method used

A heat exchange box and heat exchange tube system is used. After the polypropylene fiber is cooled by water, heat exchange is carried out by the flow of gas in the heat exchange tube. The water is cooled again and the hot gas is used to realize the reuse of heat energy. At the same time, a filter screen and a cooling box are set up to facilitate cleaning and removal of the fiber.

Benefits of technology

It improves cooling efficiency, enables the reuse of thermal energy, prevents impurities from entering the system, and facilitates the cleaning and removal of polypropylene fibers.

✦ Generated by Eureka AI based on patent content.

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    Figure CN222332150U_ABST
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Abstract

The utility model relates to the technical field of polypropylene fiber processing, in particular to a polypropylene fiber extruder. According to the technical scheme, the extruder comprises a cooling box, a heat exchange box and an extruder body, supporting legs are welded to the lower surface of the heat exchange box, a heat exchange pipe is fixedly embedded into the heat exchange box, the outer end face of one side of the heat exchange pipe communicates with an air outlet pipe, the outer surface of the air outlet pipe is in threaded connection with an air outlet valve, and the outer end face of one side of the heat exchange pipe communicates with an air inlet pipe; the outer surface of the air inlet pipe is in threaded connection with an air inlet valve, the outer surface of the heat exchange pipe is sleeved with a fixing pipe, the extruder body is fixed to the upper surface of the heat exchange box, a machine box is fixed to the outer end face of one side of the extruder body, the cooling box is fixed to the upper surface of the heat exchange box, and the outer end face of one side of the cooling box communicates with a water return pipe. And the water return pipe communicates with the fixing pipe, the lower surface of the cooling box communicates with a connecting pipe, and a filter screen is fixedly embedded into the inner wall of the connecting pipe. The utility model is convenient for recycling heat energy.
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Description

Technical Field

[0001] The utility model relates to the technical field of polypropylene fiber processing, in particular to a polypropylene fiber extruder. Background Art

[0002] Polypropylene fiber is a synthetic fiber spun from isotactic polypropylene obtained by polymerization of propylene. Its trade name in my country is polypropylene. Polypropylene fiber can be divided into long fiber, short fiber, spunbond non-woven fabric, meltblown non-woven fabric, etc. Polypropylene long fiber can be divided into ordinary long fiber and fine denier long fiber, which can be used to produce clothing, decoration and some industrial filament products. Polypropylene fiber processing requires the use of an extruder.

[0003] The prior art discloses a high fat soluble polypropylene extruder cooling device of CN213082304U, including an extruder discharge pipe, the right side of the extruder discharge pipe is fixedly connected with an air cooling device, the inner top of the air cooling device is fixedly connected with an air cooling device top plate, the inner part of the air cooling device top plate is provided with heat dissipation holes, the middle bottom of the air cooling device top plate is fixedly connected with a first fan connecting rod, the bottom of the first fan connecting rod is fixedly connected with a first fan, and the bottom of the first fan is movably connected with a conveyor belt. The high fat soluble polypropylene extruder cooling device is provided with a cooling device, and the staff pours the coolant into the first coolant pipe and the second coolant pipe through the coolant inlet pipe, and the high fat soluble polypropylene after cooling enters the interior of the cooling device along the conveyor belt, and the high fat soluble polypropylene after cooling is cooled again by the first coolant pipe and the second coolant pipe, thereby achieving a cooling effect and greatly improving the practicality of the device.

[0004] Also disclosed is a high temperature resistant polypropylene extrusion foaming sheet and a preparation method thereof of CN115536937A, wherein the components and mass ratio are: long chain branched high melt strength polypropylene: 40-80 parts; high crystalline polypropylene: 5-45 parts; β crystal nucleating agent: 0.01-2 parts. The high temperature resistant polypropylene extrusion foaming sheet prepared by the present invention has excellent high temperature resistance, and is suitable for packaging or container manufacturing of heated food or products requiring high temperature sterilization; good chemical stability, and is suitable for the manufacturing of containers or containers of most acidic or alkaline products; outstanding resistance to grease erosion, and is suitable for packaging or container manufacturing of fried, grilled food or grease-containing products; excellent packaging adaptability, and the foaming process used does not affect its heat sealing performance, and is suitable for heat sealing packaging of various products or the development of various composite materials based thereon; suitable mechanical properties, high tensile strength and impact strength, and is suitable for packaging or container manufacturing with good impact and vibration resistance.

[0005] The current polypropylene fiber extruder has a poor cooling effect when in use, and the heating heat energy is directly cooled down, which also leads to heat energy waste. Utility Model Content

[0006] The purpose of the utility model is to provide a polypropylene fiber extruder to solve the problems raised in the above background technology.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a polypropylene fiber extruder, comprising a cooling box, a heat exchange box and an extruder body, the lower surface of the heat exchange box is welded with support legs, and a heat exchange tube is embedded and fixed inside the heat exchange box, and a fixed tube is sleeved on the outer surface of the heat exchange tube, the extruder body is fixed on the upper surface of the heat exchange box, and the outer end surface of one side of the extruder body is fixed with a box, the cooling box is fixed on the upper surface of the heat exchange box, and the outer end surface of one side of the cooling box is connected with a return pipe, and the return pipe is connected with the fixed pipe.

[0008] When using a polypropylene fiber extruder in the technical solution, after water cools the polypropylene fiber, the water absorbs the heat of the polypropylene fiber, the water enters the fixed pipe, the air inlet valve is opened, and the gas is sent into the heat exchange tube through the air inlet pipe. The gas flows inside the heat exchange tube, and the hot water flows inside the fixed pipe, which is convenient for heat exchange. After the hot water is heat exchanged, it is cooled again, and the water returns to the cooling box through the return pipe to continue cooling the polypropylene fiber. After the gas is heat exchanged, it becomes hot gas. The outlet valve is opened, and the hot gas is discharged through the outlet pipe, which is convenient for reusing heat energy.

[0009] After the polypropylene fiber is extruded through the extruder body, there is a large amount of water inside the cooling box, which can cool the polypropylene fiber. After cooling, the water can enter the fixed tube through the connecting pipe. The filter can filter the water to prevent impurities from entering the fixed tube with the water. After the processing is completed, hold the handle and drive the handle to open the material door to take out the polypropylene fiber. Hold the handle and drive the handle to open the cleaning door to facilitate cleaning the filter.

[0010] Holding the handle, the hand drives the handle to open the sealing cover, and the raw materials are placed inside the extruder body. A motor is arranged inside the chassis, and a screw rod is arranged inside the extruder body. The rotating shaft of the motor is fixed to the screw rod. The motor drives the screw rod to rotate under the action of the power device, and the screw rod can extrude the polypropylene fiber.

[0011] Preferably, a sealing cover is hingedly connected to the upper surface of the extruder body, and a handle is welded to the upper surface of the sealing cover. An extrusion groove is provided on one outer end surface of the extruder body, and the extrusion groove is connected to the cooling box.

[0012] By arranging a handle on the upper surface of the sealing cover, it is convenient to hold the handle to open or close the sealing cover.

[0013] Preferably, an outer end surface of one side of the heat exchange tube is connected to an air outlet pipe, and an outer surface of the air outlet pipe is threadedly connected to an air outlet valve.

[0014] By arranging an air outlet pipe on one side of the heat exchange tube, it is convenient to discharge the gas through the air outlet pipe.

[0015] Preferably, one outer end surface of the heat exchange tube is connected to an air intake pipe, and the outer surface of the air intake pipe is threadedly connected to an air intake valve.

[0016] By arranging an air inlet pipe on one side of the heat exchange tube, it is convenient to send the gas into the interior of the heat exchange tube through the air inlet pipe.

[0017] Preferably, one outer end surface of the cooling box is connected to a material taking door, and a handle is welded to one outer end surface of the material taking door.

[0018] By arranging a handle on one side of the reclaiming door, it is convenient to hold the handle to open or close the reclaiming door.

[0019] Preferably, the rear surface of the cooling box is hingedly connected to a cleaning door, and a handle is welded to the rear surface of the cleaning door.

[0020] By arranging a handle on the rear surface of the cleaning door, it is convenient to hold the handle to open or close the cleaning door.

[0021] Preferably, a connecting pipe is connected to the lower surface of the cooling box, and the connecting pipe is connected to the fixed pipe, and a filter is embedded and fixed in the inner wall of the connecting pipe.

[0022] By arranging a connecting pipe and a filter screen on the lower surface of the cooling box, it is convenient to send hot water into the fixed pipe.

[0023] Compared with the prior art, the beneficial effects of the utility model are:

[0024] 1. The utility model achieves the effect of facilitating the reuse of heat energy by arranging a heat exchange box, a heat exchange tube and an air intake tube.

[0025] After the water cools the polypropylene fiber, the water absorbs the heat of the polypropylene fiber and enters the fixed tube. The air inlet valve is opened and the gas is sent into the heat exchange tube through the air inlet pipe. The gas flows inside the heat exchange tube and the hot water flows inside the fixed tube to facilitate heat exchange. After the hot water is exchanged with heat, it is cooled again and the water returns to the cooling box through the return pipe to continue cooling the polypropylene fiber. After the gas is exchanged with heat, it becomes hot gas. The air outlet valve is opened and the hot gas is discharged through the air outlet pipe to facilitate the reuse of heat energy.

[0026] 2. The utility model achieves the effect of facilitating cooling of polypropylene fibers by arranging a cooling box, a filter screen and a connecting pipe.

[0027] After the polypropylene fiber is extruded through the extruder body, there is a large amount of water inside the cooling box, which can cool the polypropylene fiber. After cooling, the water can enter the fixed tube through the connecting pipe. The filter can filter the water to prevent impurities from entering the fixed tube with the water. After the processing is completed, hold the handle and drive the handle to open the material removal door to take out the polypropylene fiber. Hold the handle and drive the handle to open the cleaning door to facilitate cleaning the filter.

[0028] 3. The utility model achieves the effect of facilitating the extrusion of polypropylene fibers by arranging the extruder body, the sealing cover and the chassis.

[0029] Holding the handle, the hand drives the handle to open the sealing cover, and the raw materials are placed inside the extruder body. A motor is arranged inside the chassis, and a screw rod is arranged inside the extruder body. The rotating shaft of the motor is fixed to the screw rod. The motor drives the screw rod to rotate under the action of the power device, and the screw rod can extrude the polypropylene fiber. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] Figure 1 This is a schematic diagram of the main structure of the utility model;

[0031] Figure 2 It is a rear view structural schematic diagram of the utility model;

[0032] Figure 3 This is a schematic diagram of the main cross-sectional structure of the cooling box of the utility model;

[0033] Figure 4 It is a schematic diagram of the main cross-sectional structure of the heat exchange box of the utility model.

[0034] In the figure: 1. Chassis; 2. Handle; 3. Sealing cover; 4. Cooling box; 5. Return pipe; 6. Exhaust pipe; 7. Support leg; 8. Heat exchange box; 9. Extruder body; 10. Inlet valve; 11. Inlet pipe; 12. Handle; 13. Exhaust valve; 14. Removal door; 15. Cleaning door; 16. Handle; 17. Extrusion slot; 18. Filter; 19. Connecting pipe; 20. Fixing pipe; 21. Heat exchange pipe. DETAILED DESCRIPTION

[0035] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0036] Embodiment 1

[0037] See also Figures 1 to 4The utility model provides an embodiment: a polypropylene fiber extruder, comprising a cooling box 4, a heat exchange box 8 and an extruder body 9, a support leg 7 is welded to the lower surface of the heat exchange box 8, and a heat exchange pipe 21 is embedded and fixed inside the heat exchange box 8, an outer end surface of one side of the heat exchange pipe 21 is connected with an outlet pipe 6, and the outer surface of the outlet pipe 6 is threadedly connected with an outlet valve 13, an outer end surface of one side of the heat exchange pipe 21 is connected with an inlet pipe 11, and the outer surface of the inlet pipe 11 is threadedly connected with an inlet valve 10, a fixed pipe 20 is sleeved on the outer surface of the heat exchange pipe 21, the cooling box 4 is fixed on the upper surface of the heat exchange box 8, and an outer end surface of one side of the cooling box 4 is connected with a return pipe 5, and the return pipe 5 is connected to the fixed pipe 20.

[0038] Of course, as is well known to those skilled in the art, the chassis 1, return pipe 5, fixed pipe 20 and heat exchange tube 21 of the utility model also need to provide a power device to enable them to work normally, and as is well known to those skilled in the art, the provision of the power is commonplace, and they all belong to conventional means or common knowledge, and will not be elaborated here. Those skilled in the art can make any optional selections according to their needs or convenience.

[0039] A polypropylene fiber extruder based on Example 1, after water cools the polypropylene fiber, the water absorbs the heat of the polypropylene fiber, the water enters the fixed pipe 20, the air inlet valve 10 is opened, and the gas is sent into the heat exchange tube 21 through the air inlet pipe 11, the gas flows inside the heat exchange tube 21, and the hot water flows inside the fixed pipe 20, which is convenient for heat exchange. After the hot water is heat exchanged, it is cooled again, and the water returns to the cooling box 4 through the return pipe 5 to continue cooling the polypropylene fiber. After the gas is heat exchanged, it becomes hot gas, and the outlet valve 13 is opened, and the hot gas is discharged through the outlet pipe 6, which is convenient for reusing heat energy.

[0040] Embodiment 2

[0041] like Figure 1-Figure 4 As shown, a polypropylene fiber extruder proposed by the utility model, compared with the first embodiment, this embodiment also includes a cooling box 4, a heat exchange box 8 and an extruder body 9, one side outer end surface of the cooling box 4 is connected to a feeding door 14, and one side outer end surface of the feeding door 14 is welded with a handle 12, the rear surface of the cooling box 4 is hingedly connected to a cleaning door 15, and the rear surface of the cleaning door 15 is welded with a handle 16, the lower surface of the cooling box 4 is connected to a connecting pipe 19, and the connecting pipe 19 is connected to a fixed pipe 20, and the inner wall of the connecting pipe 19 is embedded with a filter 18.

[0042] In this embodiment, after the polypropylene fiber is extruded through the extruder body 9, a large amount of water is contained in the cooling box 4, and the water can cool the polypropylene fiber. After cooling, the water can enter the fixed tube 20 through the connecting pipe 19, and the filter 18 can filter the water to prevent impurities from following the water into the fixed tube 20. After the processing is completed, the handle 12 is held, and the hand drives the handle 12 to open the material removal door 14, and the polypropylene fiber can be taken out. The handle 16 is held, and the hand drives the handle 16 to open the cleaning door 15, which is convenient for cleaning the filter 18.

[0043] Embodiment 3

[0044] like Figure 1-Figure 4 As shown, a polypropylene fiber extruder proposed by the utility model, compared with the first embodiment, this embodiment also includes a cooling box 4, a heat exchange box 8 and an extruder body 9, the extruder body 9 is fixed on the upper surface of the heat exchange box 8, and a box 1 is fixed on the outer end face of one side of the extruder body 9, the upper surface of the extruder body 9 is hingedly connected with a sealing cover 3, and a handle 2 is welded on the upper surface of the sealing cover 3, an extrusion groove 17 is opened on the outer end face of one side of the extruder body 9, and the extrusion groove 17 is connected to the cooling box 4.

[0045] In this embodiment, the handle 2 is held and driven by the hand to open the sealing cover 3, and the raw materials are placed inside the extruder body 9. A motor is arranged inside the chassis 1, and a screw rod is arranged inside the extruder body 9. The rotating shaft of the motor is fixed to the screw rod. The motor drives the screw rod to rotate under the action of the power device, and the screw rod can extrude the polypropylene fiber.

[0046] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. A polypropylene fiber extruder, comprising a cooling box (4), a heat exchange box (8) and an extruder body (9), characterized in that: The lower surface of the heat exchange box (8) is welded with a support leg (7), and a heat exchange tube (21) is embedded and fixed inside the heat exchange box (8), and the outer surface of the heat exchange tube (21) is sleeved with a fixed tube (20), the extruder body (9) is fixed on the upper surface of the heat exchange box (8), and the outer end surface of one side of the extruder body (9) is fixed with a box (1), the cooling box (4) is fixed on the upper surface of the heat exchange box (8), and the outer end surface of one side of the cooling box (4) is connected to a return pipe (5), and the return pipe (5) is connected to the fixed pipe (20).

2. A polypropylene fiber extruder according to claim 1, characterized in that: The upper surface of the extruder body (9) is hingedly connected to a sealing cover (3), and a handle (2) is welded to the upper surface of the sealing cover (3). An extrusion groove (17) is provided on one outer end surface of the extruder body (9), and the extrusion groove (17) is connected to the cooling box (4).

3. A polypropylene fiber extruder according to claim 1, characterized in that: One outer end surface of the heat exchange tube (21) is connected to an air outlet pipe (6), and an outer surface of the air outlet pipe (6) is threadedly connected to an air outlet valve (13).

4. A polypropylene fiber extruder according to claim 1, characterized in that: One outer end surface of the heat exchange tube (21) is connected to an air intake pipe (11), and an air intake valve (10) is threadedly connected to the outer surface of the air intake pipe (11).

5. A polypropylene fiber extruder according to claim 1, characterized in that: One side outer end surface of the cooling box (4) is connected to a material taking door (14), and one side outer end surface of the material taking door (14) is welded with a handle (12).

6. A polypropylene fiber extruder according to claim 1, characterized in that: The rear surface of the cooling box (4) is hingedly connected to a cleaning door (15), and a handle (16) is welded to the rear surface of the cleaning door (15).

7. A polypropylene fiber extruder according to claim 1, characterized in that: The lower surface of the cooling box (4) is connected to a connecting pipe (19), and the connecting pipe (19) is connected to a fixed pipe (20). A filter screen (18) is embedded and fixed in the inner wall of the connecting pipe (19).

Citation Information

Patent Citations

  • High-temperature-resistant polypropylene extrusion foaming sheet and preparation method thereof

    CN115536937A

  • Cooling device of high-fat-soluble polypropylene extruder

    CN213082304U