Extrusion forming assembly for acetate fiber plate

By designing extrusion molding components, the high cost problem in the multi-layer pressing process of cellulose acetate sheets was solved, achieving efficient production and low-cost cellulose acetate sheet molding.

CN223750220UActive Publication Date: 2026-01-02ZHONGSHAN TALY PLASTIC EXTRUSION CO LTD
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Patent Information

Application Number
CN202323435999.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2023-12-14
Publication Date
2026-01-02
Estimated Expiration
2033-12-14

AI Technical Summary

Technical Problem

The existing process of multi-layer pressing of cellulose acetate sheets is time-consuming and labor-intensive, and current technologies cannot effectively reduce production and labor costs.

Method used

An assembly comprising an extrusion cylinder and a forming die is used. The extrusion cylinder has a funnel-shaped chamber, and the forming die has a cuboid inner cavity and a fan-shaped guide surface. Combined with a pushing device and a heater, efficient extrusion molding of cellulose acetate sheets is achieved.

Benefits of technology

It achieves efficient molding of cellulose acetate sheets, reduces production and labor costs, and features a simple structure and strong applicability.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to an extrusion forming component for acetate fiber plates, which comprises an extrusion container and a forming die nozzle, the extrusion container is provided with an extrusion chamber, the forming die nozzle is mounted at the narrower end of the extrusion chamber of the extrusion container, and the forming die nozzle is provided with an inner cavity for extruding and guiding the acetate fiber plates. The inner cavity is in a cube shape, fan-shaped curved guide faces are formed on the two opposite side faces of the inner cavity, the larger ends of the guide faces are close to the end face of the forming die nozzle, the smaller ends of the guide faces are close to the bottom of the inner cavity, and a plurality of discharging ports extending in the axial direction of the forming die nozzle and penetrating through the end face of the forming die nozzle are formed in the bottom of the inner cavity. The device has the advantages that a plurality of sheet-shaped acetate fiber plates to be processed are firstly put into the extrusion cylinder by a worker, the acetate fiber plates in the extrusion cylinder are extruded in the length and thickness directions under extrusion, and finally the required acetate fiber plate finished products are output from the forming die nozzle, so that the structure is simple, the production efficiency is high, and the production cost is low. And the production cost and the labor cost can be reduced.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of extrusion forming assemblies for acetate fiber board. BACKGROUND

[0002] The existing manufacturing method of acetate fiber board has the mode of extrusion, that is, the acetate fiber board formed by different manufacturing methods is cut into different thickness of laminates, and then combined and stacked and pressed.

[0003] The existing splicing and pressing can only stack and press the board material of different production methods by wet extrusion, however, the product formed by the existing acetate fiber board needs the effect of the board material formed by stacking several single-manufacturing-method board materials, under the existing technical means, in order to press the multi-layered pressboard, the time cost and labor cost are high, in order to reduce production cost and labor cost, a new manufacturing device is proposed to prepare acetate fiber board composed of multi-layered pressboard. SUMMARY

[0004] The utility model aims at providing a kind of extrusion forming assemblies for acetate fiber board, which is simple in structure and can reduce production cost and labor cost.

[0005] To achieve the above-mentioned purpose, the utility model adopts the following technical solutions:

[0006] An extrusion forming assembly for acetate fiber board includes an extrusion cylinder and a forming die nozzle. The extrusion cylinder has a funnel-shaped extrusion chamber that is wider on the left and narrower on the right. The forming die nozzle is installed at the narrower end of the extrusion chamber of the extrusion cylinder. The forming die nozzle has an inner cavity for extruding and guiding the acetate fiber board. The inner cavity is in the shape of a square and has a fan-shaped curved guide surface on opposite sides. The larger end of the guide surface is close to the end surface of the forming die nozzle, and the smaller end is close to the bottom of the inner cavity. The bottom of the inner cavity is provided with a plurality of discharge ports that extend axially along the forming die nozzle and penetrate the end surface of the forming die nozzle.

[0007] The utility model has the advantages that the worker first places the several pieces of acetate fiber board to be processed in the extrusion cylinder. The acetate fiber board inside the extrusion cylinder is extruded in the length and thickness directions, and finally the desired acetate fiber board finished product is output from the forming die nozzle. The structure is simple, and the production cost and labor cost can be reduced. BRIEF DESCRIPTION OF DRAWINGS

[0008] Figure 1 It is a three-dimensional state structure schematic view of the extrusion forming assembly for acetate fiber board in the embodiment of the utility model.

[0009] Figure 2 It is a three-dimensional state structure schematic view of the extrusion forming assembly for acetate fiber board in the embodiment of the utility model from another perspective.

[0010] Figure 3 Figure 3 is a three-dimensional state structure schematic diagram of the extrusion molding assembly for the acetate fiber plate material in the embodiment of the present application.

[0011] Figure 4 Figure 4 is a transverse section structure schematic diagram of the extrusion molding assembly for the acetate fiber plate material in the embodiment of the present application.

[0012] Figure 5 Figure 5 is a three-dimensional state structure schematic diagram of the molding die nozzle in the embodiment of the present application.

[0013] Figure 6 Figure 6 is a front view state structure schematic diagram of the molding die nozzle in the embodiment of the present application.

[0014] Figure 7 Figure 7 is a section structure schematic diagram of the molding die nozzle in the embodiment of the present application. Figure 6 Figure 8 is a section structure schematic diagram of the molding die nozzle in the embodiment of the present application.

[0015] Figure 8 Figure 9 is a section structure schematic diagram of the molding die nozzle in the embodiment of the present application. Figure 6 Figure 10 is a section structure schematic diagram of the molding die nozzle in the embodiment of the present application.

[0016] Figure 9 Figure 11 is a section structure schematic diagram of the molding die nozzle in the embodiment of the present application. Figure 6 Figure 12 is a section structure schematic diagram of the molding die nozzle in the embodiment of the present application.

[0017] Figure 10 Figure 13 is a three-dimensional state structure schematic diagram of the speed regulating member in the embodiment of the present application. DETAILED DESCRIPTION

[0018] As shown in the accompanying drawings, an extrusion molding assembly for the acetate fiber plate material comprises an extrusion cylinder 1 and a molding die nozzle 2. Figure 1 Figure 4 As shown in the accompanying drawings, an extrusion molding assembly for the acetate fiber plate material comprises an extrusion cylinder 1 and a molding die nozzle 2.

[0019] As shown in the accompanying drawings, an extrusion molding assembly for the acetate fiber plate material comprises an extrusion cylinder 1 and a molding die nozzle 2. Figure 4 Figure 9 As shown in the accompanying drawings, an extrusion molding assembly for the acetate fiber plate material comprises an extrusion cylinder 1 and a molding die nozzle 2.

[0020] ​​The conversion head 3 is provided with a mounting cavity 12 in the smaller diameter end of the extrusion cylinder 1, the first end of the conversion head 3 is inserted into the mounting cavity 12 and fixed on the extrusion cylinder 1 by a first locking nut 41, the outer peripheral wall of the second end of the conversion head 3 is provided with external threads, the forming die 2 is inserted on the second end of the conversion head 3, and a second locking nut 42 is screwed with the external threads to fix the forming die 2 on the conversion head 3.

[0021] The conversion head 3 has a conversion inner cavity 31, which is divided into a receiving part 311 and a butt joint part 312 along the axial direction of the conversion head 3, the peripheral wall of the receiving part 311 is smoothly connected with the peripheral wall of the extrusion chamber 11, and the butt joint part 312 is provided with a gasket 5, when the forming die 2 is inserted on the second end of the conversion head 3, the end of the forming die 2 presses against the gasket 5.

[0022] The butt joint part 312 is formed with an abutting surface, and between the abutting surface and the gasket 5, a speed regulating piece 6 is further arranged to adjust the speed of the acetate fiber plate entering the forming die 2, the speed regulating piece 6 has a conical speed regulating curved surface 61 facing the extrusion cylinder 1, and the bottom of the speed regulating curved surface is provided with a plurality of material passing holes 62 for the acetate fiber plate to pass through, as shown in the accompanying drawings. Figure 10

[0023] The extrusion molding assembly further comprises a base (not shown in the drawings), and the base is provided with a pushing device (not shown in the drawings), the pushing device has a pushing shaft, and the end of the pushing shaft is provided with an extrusion head in the shape of a circular truncated cone with a sharp front and a thick rear.

[0024] In operation, the worker first puts a plurality of pieces of acetate fiber plate material (in a softened and wet-pressing processable state) to be processed into the extrusion cylinder 1, the pushing shaft of the pushing device drives the extrusion head to extrude along the central axis of the extrusion cylinder 1 into the interior of the extrusion cylinder 1, the acetate fiber plate is extruded in the length and thickness directions under the combined action of the extrusion head and the extrusion cylinder 1, and finally the desired acetate fiber plate finished product is output from the forming die 2.

[0025] In order to continuously output the desired acetate fiber plate finished product from the forming die 2 without blocking the discharge hole due to cooling, the second locking nut 42 is further provided with a heater 7 for heating the forming die 2.

[0026] ​The above embodiment is a preferred embodiment of the present application, but the embodiment of the present application is not limited thereto, and any change, modification, substitution, combination, simplification, etc. made without departing from the spirit and principle of the present application is an equivalent replacement mode, and is included in the protection scope of the present application.

Claims

1. An extrusion assembly for acetic acid fiber board material comprising an extrusion barrel and a profiled die, characterised in that, The extruding cylinder has a funnel-shaped extruding chamber with a left wide and a right narrow, the forming die nozzle is installed at the narrow end of the extruding chamber of the extruding cylinder, the forming die nozzle has an inner cavity for extruding the oriented acetic acid fiber plate material, the inner cavity is in a square shape and has a fan-shaped curved guide surface formed on the opposite two sides, the large end of the guide surface is close to the end surface of the forming die nozzle, the bottom of the inner cavity is provided with a plurality of discharge ports extending along the axis of the forming die nozzle and penetrating through the end surface of the forming die nozzle, and the opposite two sides of the bottom of the inner cavity are provided with inclined guide inclined surfaces.

2. A press forming assembly for acetic acid fiber plates according to claim 1, characterized in that, A conversion head is arranged between the extruding cylinder and the forming die nozzle, the small diameter end of the extruding cylinder is recessed with a mounting cavity, the first end of the conversion head is inserted into the mounting cavity and is fixedly installed on the extruding cylinder through a first locking nut, the outer peripheral wall of the second end of the conversion head is provided with external threads, and the forming die nozzle is inserted into the second end of the conversion head, a second locking nut is screwed with the external threads and the forming die nozzle is fixedly installed on the conversion head.

3. A press forming assembly for acetic acid fiber plates according to claim 2, characterized in that, The conversion head has a conversion inner cavity, the conversion inner cavity is divided into a receiving part and a connecting part along the axis of the conversion head, the peripheral wall of the receiving part is smoothly connected with the peripheral wall of the extruding chamber, the connecting part is provided with a gasket, and when the forming die nozzle is inserted into the second end of the conversion head, the end of the forming die nozzle abuts against the gasket.

4. A press forming assembly for acetic acid fiber plates according to claim 3, characterized in that, The connecting part is formed with an abutting surface, and a speed regulating member for regulating the speed of the oriented acetic acid fiber plate material entering the forming die nozzle is further arranged between the abutting surface and the gasket, the speed regulating member has a conical speed regulating curved surface facing the extruding cylinder, and the bottom of the speed regulating curved surface is provided with a plurality of material passing holes for the oriented acetic acid fiber plate material to pass through.

5. A press forming assembly for acetic acid fiber plates according to claim 2, characterized in that, A heater is further arranged on the second locking nut to heat the forming die nozzle.

6. The extrusion assembly for acetic acid fiber plate material according to any one of claims 1 to 5, wherein The extruding and forming assembly further comprises a base, the base is provided with a pushing device, the pushing device has a pushing shaft, the end of the pushing shaft is provided with an extruding head in a circular truncated cone shape with a front sharp end and a rear thick end, the extruding cylinder is coaxially arranged with the extruding head, and the pushing shaft of the pushing device drives the extruding head to move back and forth in the cylinder of the extruding cylinder along the central axis of the extruding cylinder.