Automatic chopped fiber fluffing device
By designing an automated device for fluffing short-cut fibers, an exhaust fan and magnetic suction device are used to achieve automated fluffing of fibers and removal of impurities, solving the problems of low automation and the influence of metal impurities, and improving production efficiency and composite material quality.
Patent Information
- Application Number
- CN202423201267.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-24
- Publication Date
- 2026-01-16
- Estimated Expiration
- 2034-12-24
AI Technical Summary
In the existing technology, the short fiber fluffing equipment has a low degree of automation, resulting in low production efficiency and difficulty in effectively removing metal impurities inside the fibers, which affects the quality of composite materials.
An automated device for fluffing chopped fibers was designed, including a fluffing chamber, a weighing module, a hopper, a feeding pipe, a blower, and an air duct. The blower enables automatic fiber intake and fluffing, a magnetic suction device removes metal impurities, and a movable weighing module is used for accurate measurement.
It enables automated production of fluffy short-cut fibers, reduces manual labor intensity, improves production efficiency, and ensures the fluffy effect of the fibers and the quality of the composite materials.
Smart Images

Figure CN223805189U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to the field of composite material premix production, concretely relates to a short cut fiber fluffy automatic device. BACKGROUND
[0002] Short cut fiber is the main raw material for producing composite material premix, which is made by short cutting fiber tows, and fluffy and disordered short cut fiber is more conducive to resin infiltration and premix kneading tearing effect.
[0003] Fluffing machine is commonly used in textile, filling material, filter material and other industries, which stirs, vibrates or blows the fiber through mechanical or pneumatic means, and scatters the neat fiber to make it more loose and fluffy.
[0004] There are few reports on special equipment for short cut fiber fluffing for composite materials, mainly using other industry fluffing equipment or manual stirring, which has low automation and is not conducive to the automation of premix production. UTILITY MODEL CONTENTS
[0005] The utility model provides a short cut fiber fluffy automatic device, realize short cut fiber fluffy process automation production, whole production process does not need operating personnel to participate, fiber fluffy effect is good, and manual labor intensity is reduced, production efficiency is greatly improved.
[0006] The utility model provides a short cut fiber fluffy automatic device, including: fluffy room 1, weighing module 2, suction hopper 3, feed pipe 4, base 5, suction fan 6 and air duct 7;
[0007] Weighing module 2 is arranged on base 5, and fluffy room 1 is fixed above weighing module 2 through a support, the fluffy room 1 is a cylinder with tapered ends, and the bottom of the fluffy room 1 is a discharge port 14;
[0008] The fluffy room 1 is provided with an annular pipe, and the side upper portion is provided with a feed inlet 11 in communication with the inlet of the annular pipe, the feed inlet 11 is connected with the suction hopper 3 through the feed pipe 4, and the suction hopper 3 is used for receiving short cut fiber;The outlet of the annular pipe is located in the fluffy room 1.
[0009] The fluffy room 1 is provided with an upper suction port 13 at the top, and a suction pipe is provided through the outer wall of the fluffy room 1, and the inner suction port 15 at one end of the inner side of the suction pipe is in communication with the middle part of the annular pipe, the upper suction port 13 and the side suction port 12 at one end of the outer side of the suction pipe are connected with the suction fan 6 through the air duct 7, and the filter device is installed on the upper suction port 13 and the inner suction port 15.
[0010] Optionally, a magnetic attraction device is arranged at the discharge port 14.
[0011] Optionally, the cabin body 16 of the fluffy chamber 1 is made of stainless steel, and the inner wall is smooth.
[0012] The cabin body 16 is provided with an observation window 17 around.
[0013] Optionally, the discharge port 14 is a square structure, and the bottom is attached to the top surface of the weighing module 2.
[0014] Optionally, the base 5 is a frame structure, and a kneading machine is arranged below the base 5.
[0015] The weighing module 2 comprises a weighing platform 21, a moving platform 22, a driving motor 23, a sliding rail 24, and a main shaft 25.
[0016] The driving motor 23 and the sliding rail 24 are fixed on the base 5; the output shaft of the driving motor 23 is connected with the main shaft 25 to drive the main shaft 25 to rotate.
[0017] The moving platform 22 is provided below with a main shaft sliding block and a sliding rail sliding block; the main shaft sliding block is threadedly connected with the main shaft 25, and the sliding rail sliding block is slidingly arranged on the sliding rail 24.
[0018] The weighing platform 21 is fixed on the moving platform 22 and is used for weighing the weight of the cut fibers falling thereon.
[0019] When the weighing is completed, the driving motor 23 is started to drive the weighing platform 21 to move, the discharge port 14 retains the cut fibers on the weighing platform 21, and finally the cut fibers fall into the kneading machine.
[0020] Optionally, a movable valve is arranged at the feeding pipe 4.
[0021] When the air extractor 6 is operated, the movable valve is opened, and after the material suction is completed, the movable valve is automatically closed.
[0022] The utility model discloses an automatic feeding scheme for cut fiber feeding, realizes the automatic suction of cut fiber into the fluffy machine, reduces the operation intensity of personnel, and improves production efficiency. BRIEF DESCRIPTION OF DRAWINGS
[0023] In order to more clearly illustrate the technical scheme in the embodiments of the present application or the prior art, the accompanying drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced. Obviously, the accompanying drawings in the following description are some embodiments of the present application, and other drawings can also be obtained by those skilled in the art without creative labor.
[0024] Figure 1 It is a structure schematic diagram of the short-cut fiber fluffy automatic device of the present application.
[0025] Figure 2 It is a structure schematic diagram of the fluffy chamber of the present application.
[0026] Figure 3 It is a structure schematic diagram of the weighing module of the present application.
[0027] Figure 4 It is a schematic diagram of the movement mechanism of the weighing module of the present application.
[0028] Explanation of reference signs:
[0029] 1-fluffy chamber, 2-weighing module, 3-extraction hopper, 4-feeding pipeline, 5-base, 6-extraction fan, 7-air duct, 11-feeding port, 12-side extraction port, 13-upper extraction port, 14-discharge port, 15-inner extraction port, 16-cabin body, 17-observation window, 21-weighing platform, 22-moving platform, 23-driving motor, 24-slideway, 25-main shaft. DETAILED DESCRIPTION
[0030] The short-cut fiber fluffy automatic device provided by the present application will be further described below in combination with the accompanying drawings.
[0031] As shown in Figures 1-4 , the present application provides a short-cut fiber fluffy automatic device, which comprises: a fluffy chamber 1, a weighing module 2, an extraction hopper 3, a feeding pipeline 4, a base 5, an extraction fan 6, and an air duct 7.
[0032] Among them, the fluffy chamber 1 comprises: a feeding port 11, a side extraction port 12, an upper extraction port 13, a discharge port 14, an inner extraction port 15, a cabin body 16, and an observation window 17.
[0033] The cabin body 16 is made of stainless steel material, the inner wall is smooth, the observation window 17 is installed on the cabin body, and glass material is adopted, which is beneficial to observe the fluffy state of the fiber;
[0034] The feeding port 11 is located above the side of the cabin body and can be automatically opened and closed with a valve; the side suction port 12 is located in the middle of the cabin body and is connected with the inner suction port 15 through a pipeline; the upper suction port 13 is located at the top of the fluffy room 1; the side suction port 12 and the upper suction port 13 are connected with the air suction machine 6 through the air duct 7; the upper suction port 13 and the inner suction port 15 are provided with a filtering device to prevent the short-cut fibers from entering the air duct 7 and being adsorbed on the suction port to block the suction port.
[0035] For example, the fluffy room 1 is provided with an annular pipeline, the feeding port 11 is communicated with the inlet of the annular pipeline, and the outlet of the annular pipeline is located in the fluffy room 1; the inner suction port 15 is communicated with the middle of the annular pipeline; when the air suction machine 6 is started, the short-cut fibers in the fluffy room 1 and the short-cut fibers at the inlet of the annular pipeline are quickly sucked and raised through the upper suction port 13 located at the upper part and the inner suction port 15 located at the middle part, so that the short-cut fibers are quickly raised and lowered.
[0036] The discharge port 14 is made of stainless steel, and a magnetic attraction device is installed around the discharge port; when the fibers pass through the discharge port, the metal impurities inside the fibers are adsorbed on the inner wall of the discharge port 14.
[0037] The weighing module 2 is composed of a weighing platform 21, a moving platform 22, a driving motor 23, a sliding rail 24 and a main shaft 25.
[0038] The weighing platform 21 is fixed on the moving platform 22, and a weighing device is installed on the weighing platform 21, so that the weight of the fibers falling on the platform can be accurately weighed; the moving platform 22 is driven to move forward and backward by the driving motor 23, the sliding rail 24 and the main shaft 25; the driving motor 23 is an explosion-proof linear motor.
[0039] The suction hopper 3 and the feeding pipeline 4 are made of stainless steel with smooth inner wall; the suction hopper 3 is connected to the feeding port 11 through the feeding pipeline 4; the fibers in the hopper are sucked into the fluffy room 1 by the suction of the air suction machine 6; the suction hopper 3 can be installed at the discharge port of the fiber short-cut machine or the storage area of the short-cut fibers; the fibers are loaded into the hopper, the button is pressed, the valve of the feeding pipeline 4 is opened, the fibers are sucked into the fluffy room 1, and after the suction is completed, the valve is automatically closed.
[0040] The base 5 is fixed on the ground of the factory building, is fixed firmly and can prevent vibration and shaking during operation.
[0041] The motor of the air suction machine 6 is explosion-proof, and the power can be adjusted according to the process requirements; the air suction machine 6 is connected to the fluffy room 1 through the pipeline 7 to control the flow of air in the fluffy room and realize the flow and dispersion of the fibers in the fluffy room.
[0042] Exemplarily, the fluffy chamber is located above the weighing module, is fixed on the base through a support, an annular material passage is arranged in the fluffy chamber, and observation windows are arranged on four sides of the fluffy chamber. The weighing module is located below the discharge port of the fluffy chamber, the fluffy fibers fall on the weighing platform, a magnetic suction device is installed on the discharge port, the metal impurities in the fibers are removed during the falling of the fibers, after the weighing is completed, the weighing platform is removed, and the chopped fibers fall into the kneader below. The suction hopper is located below the discharge port of the short cutting machine or the storage area of the chopped fibers. The feeding pipeline is connected with the suction hopper and the feeding port of the fluffy chamber, the chopped fibers enter the fluffy chamber through the pipeline under the suction of the air suction machine. The base is fixed to the ground, and the base is installed at a certain height difference from the suction hopper. The air suction machine is located beside the base, provides gravity for the fluffy chamber and the feeding pipeline, and the air suction machine is provided with two air ducts, so that the feeding speed and the fluffy quality of the chopped fibers in the fluffy chamber are improved.
[0043] The utility model provides a kind of chopped fiber fluffy automatic device, realize that chopped fiber is automatically flowed into fluffy chamber by the suction of feeding pipeline, the feeding flow passage in fluffy chamber is arranged into annular, it is favorable for the quick dispersion of chopped fiber entering fluffy chamber. The fiber in fluffy chamber can be realized fast rising and falling by the suction of air suction machine and the gravity of fiber itself, complete the effect of chopped fiber dispersion, fluffy. After fiber is fully fluffy, air suction machine is closed, fiber falls on the weighing platform of lower discharge port, after weighing is completed, weighing platform is removed, fiber falls into kneader, and fiber weight data is automatically uploaded to control system, and the dosage of resin is automatically calculated.
[0044] The utility model realizes the automatic production of chopped fiber fluffy process, the whole production process does not need operating personnel to participate, fiber fluffy effect is good, and manual labor intensity is reduced, and production efficiency is greatly improved.
[0045] The utility model provides an automatic feeding scheme for chopped fiber feeding, realizes that chopped fiber is automatically sucked into fluffy machine, reduces personnel operating intensity, and improves production efficiency;For chopped fiber fluffy, an automatic fluffy mode in fluffy chamber by air suction machine is proposed, to realize the automatic fluffy of chopped fiber, and the fluffy effect is good, reduces personnel operation, and improves production efficiency;For metal impurities in fiber, a magnetic suction device is installed on the side wall of discharge port, can adsorb the metal impurities in fiber to the side wall, to avoid that metal impurities affect composite product quality;For accurate measurement of fiber weight, a movable weighing module is proposed, to complete the accurate measurement of fiber in fluffy machine discharge port, and automatically transfer fiber to kneader.
Claims
1. A short cut fiber fluffing automation apparatus, characterized by, The utility model relates to a short cut fiber production line, including: Puffed room (1), weighing module (2), draw hopper (3), feed pipeline (4), base (5), exhaust fan (6) and air duct (7); Weighing module (2) is arranged on base (5), and puffed room (1) is fixed above weighing module (2) by support, and puffed room (1) is the cylinder of two tapered ends, and the bottom of puffed room (1) is discharge port (14); Puffed room (1) is provided with annular pipeline, and the side upper portion is provided with feed inlet (11) and is communicated with the inlet of annular pipeline, and feed inlet (11) is connected with draw hopper (3) through feed pipeline (4), and draw hopper (3) is used to receive short cut fiber;The outlet of annular pipeline is located in puffed room (1); Puffed room (1) top is provided with upper exhaust port (13), and the middle part is provided with exhaust duct that penetrates the outer wall of puffed room (1), and the inner exhaust port (15) of the inner side one end of exhaust duct is communicated with the middle part of annular pipeline, and upper exhaust port (13) and side exhaust port (12) of the outer side one end of exhaust duct are connected with exhaust fan (6) through air duct (7), and upper exhaust port (13) is installed with filter device on the inner exhaust port (15).
2. The chopped fiber fluffing automation of claim 1, wherein, Magnetic attraction device is arranged at discharge port (14).
3. The chopped fiber fluffing automation of claim 1, wherein, The cabin body (16) of puffed room (1) adopts stainless steel material, and the inner wall is smooth; The cabin body (16) is provided with observation window (17) around.
4. The chopped fiber fluffing automation of claim 1, wherein, The discharge port (14) is a square structure, and the bottom is attached to the top surface of the weighing module (2).
5. The chopped fiber fluffing automation of claim 4, wherein, The base (5) is a frame structure, and a kneader is arranged below the base (5). The weighing module (2) comprises a weighing platform (21), a moving platform (22), a drive motor (23), a slide rail (24), and a main shaft (25). The drive motor (23) and the slide rail (24) are fixed on the base (5). The output shaft of the drive motor (23) is connected with the main shaft (25) to drive the main shaft (25) to rotate. The moving platform (22) is provided with a main shaft sliding block and a slide rail sliding block below. The main shaft sliding block is threadedly connected with the main shaft (25), and the slide rail sliding block is slidingly arranged on the slide rail (24). The weighing platform (21) is fixed on the moving platform (22) to weigh the weight of the short cut fiber falling thereon. When the weighing is completed, the drive motor (23) is started to drive the weighing platform (21) to move. The discharge port (14) retains the short cut fiber on the weighing platform (21) and finally falls into the kneader.
6. The chopped fiber fluffing automation of claim 1, wherein, An active valve is arranged at the feed pipeline (4). The active valve is opened when the exhaust fan (6) is working, and the active valve is automatically closed after the suction is completed.