Continuous polymerization stirring device and polymerization kettle for carbon fiber production

Abstract

The invention relates to the technical field of stirring, in particular to a continuous polymerization stirring device for carbon fiber production and a polymerization kettle.The continuous polymerization stirring device comprises a bearing support, a driving motor is fixedly installed on the bearing support, and a bearing rotating shaft driven by the driving motor to rotate is rotatably installed on the bearing support; the top end of the bearing rotating shaft is integrally connected with a crushing screen drum for receiving production raw materials; the upper end of the bearing support is provided with a crushing mechanism used for preliminarily crushing production raw materials through a crushing screen drum. The crushing screen drum with the uniformly opened bottom end is arranged at the upper end of the bearing support, production raw materials are driven to move circumferentially under the rotary supporting action of the bearing rotating shaft, the reciprocating swing rod is driven to swing in a reciprocating mode through the traction rotating disc, and the telescopic sliding rod is repeatedly pressed through the pressurizing part on the bearing rotating shaft; the lifting screen supports the production raw materials to bounce and lift, so that the mixing mechanism can fully cut and stir the production raw materials, and meanwhile, the activity of the production raw materials is ensured.

Description

Technical Field

[0001] The invention relates to the technical field of stirring, in particular to a continuous polymerization stirring device and a polymerization kettle for carbon fiber production. Background Art

[0002] Carbon fiber is a new type of fiber material with high strength and high modulus, with a carbon content of more than 95%. Graphite fiber contains more than 99% of carbon. It is a microcrystalline graphite material obtained by stacking organic fibers such as flake graphite microcrystals along the axial direction of the fiber and undergoing carbonization and graphitization. Carbon fiber is soft on the outside and hard on the inside. It is lighter than aluminum metal, but stronger than steel, and has the characteristics of corrosion resistance and high modulus.

[0003] Under existing conditions, high-frequency stirring equipment is mostly used to prepare carbon fiber materials using acrylonitrile raw materials. There is a lack of sufficient crushing effect in the pretreatment process of the raw materials, making it difficult to quickly and effectively mix raw materials with large volume, hardness and low solubility with other raw materials. It is more likely to accumulate and precipitate due to gravity in the polymerization equipment, which not only affects the mixing efficiency, but also affects the quality of the finished carbon fiber materials. Summary of the invention

[0004] The purpose of the present invention is to solve the problem in the prior art that it is difficult to stir and process acrylonitrile raw materials for carbon fiber production, and to propose a continuous polymerization stirring device and a polymerization kettle for carbon fiber production.

[0005] In order to achieve the above object, the present invention adopts the following technical solutions: A continuous polymerization stirring device for carbon fiber production, comprising a load-bearing bracket, on which a driving motor is fixedly mounted, and on which a load-bearing rotating shaft driven to rotate by the driving motor is rotatably mounted, and a crushing screen cylinder for receiving production raw materials is integrally connected to the top of the load-bearing rotating shaft; The upper end of the load-bearing support is provided with a crushing mechanism for initially crushing the production raw materials through a crushing screen cylinder; A mixing mechanism for further crushing and stirring the production raw materials is arranged at the middle end of the load-bearing support through a load-bearing rotating shaft, and the mixing mechanism is located below the crushing mechanism; A driving mechanism for driving the production raw materials to turn over is arranged at the lower end of the load-bearing support through a load-bearing rotating shaft, and the driving mechanism is located below the mixing mechanism.

[0006] Preferably, the load-bearing support is composed of one right-angle frame, one truss and two supporting right-angle frames, the truss is integrally connected to the top end of the right-angle frame, and the two supporting right-angle frames are symmetrically welded to both sides of the bottom end of the right-angle frame.

[0007] Preferably, the driving motor is fixedly mounted on a right-angle frame, and the load-bearing shaft is rotatably mounted in the truss, and a transmission pulley is connected between the output end of the driving motor and the load-bearing shaft via a coupling.

[0008] Preferably, the crushing mechanism includes a traction turntable fixedly mounted on the output end of the driving motor, a reciprocating rocker arm rotatably mounted on the truss and movably pulled by the traction turntable, and a movable frame movably pulled by the reciprocating rocker arm is slidably mounted on the truss, a booster arc plate slidably mounted in the crushing screen drum is fixedly mounted on the movable frame, and an inclined discharge plate is fixedly mounted on the truss.

[0009] Preferably, the traction turntable is integrally connected with an eccentrically arranged traction long bolt, and a traction long hole for slidingly fitting the traction long bolt is provided at one end of the reciprocating rocker arm, a driven long hole is provided at the other end of the reciprocating rocker arm, and the movable frame is integrally connected with a driven long bolt for slidingly fitting in the driven long hole.

[0010] Preferably, the mixing mechanism includes a load-bearing sleeve fixedly mounted on a supporting right-angle frame, and a central rotating shaft transmission-connected to the load-bearing rotating shaft is rotatably mounted in the load-bearing sleeve, a synchronous support is fixedly mounted on the central rotating shaft, and a cutting and stirring member for cutting and stirring production raw materials is rotatably mounted on the synchronous support.

[0011] Preferably, the load-bearing rotating shaft and the central rotating shaft are respectively key-connected with a driving bevel gear and a driven bevel gear that are meshed together, the load-bearing sleeve is fixedly sleeved with a guide bevel gear with a hollow structure, and the cutting and stirring element is key-connected with a steering bevel gear that is meshed with the guide bevel gear.

[0012] Preferably, the driving mechanism includes a booster part eccentrically welded on the load-bearing rotating shaft, a telescopic slide rod is slidably mounted on the supporting right-angle frame, and a slide plate that movably resists the booster part is integrally connected to the telescopic slide rod, a return spring is welded between the slide plate and the supporting right-angle frame, a guide long hole is vertically opened in the supporting right-angle frame, and a guide slider movably pulled by the telescopic slide rod is slidably installed in the guide long hole, and a lifting screen for receiving and filtering production scraps is fixedly installed on the guide slider.

[0013] Preferably, a traction connecting rod is pin-connected between the telescopic sliding rod and the guide sliding block, and the lifting screen is slidably sleeved on the load-bearing bracket.

[0014] A polymerization kettle including a continuous polymerization stirring device for carbon fiber production also includes a kettle body for fixedly installing a load-bearing bracket, the crushing mechanism is located outside the top of the kettle body, and the mixing mechanism and the driving mechanism are located inside the kettle body, and a discharge port is provided at the lower end of the kettle body.

[0015] Compared with the prior art, the present invention has the following advantages: 1. The present invention arranges a crushing screen cylinder with a uniform opening at the bottom end at the upper end of the load-bearing bracket, drives the production raw materials to move circumferentially under the rotation support of the load-bearing shaft, and then uses the traction turntable to drive the reciprocating swing rod to swing back and forth, thereby driving the booster arc plate on the moving frame to repeatedly open and close in the crushing screen cylinder, and repeatedly pressurizing and crushing the production raw materials located in the crushing screen cylinder.

[0016] 2. The present invention utilizes a right-angle frame to set up a load-bearing sleeve and a central rotating shaft that are connected by a rotating sleeve, and a driving bevel gear and a driven bevel gear are set between the load-bearing rotating shaft and the central rotating shaft. A cutting and stirring piece for cutting and stirring production materials is set on the center of gravity rotating shaft. At the same time, the cutting and stirring piece is steered by using a guide bevel gear and a steering bevel gear, so that the cutting and stirring piece can perform synchronous revolution and rotation motions to comprehensively cut and stir the production materials.

[0017] 3. The present invention provides a telescopic slide rod elastically retracted by a reset spring and a guide slide block for installing a lifting screen in the right-angle frame, and repeatedly applies pressure to the telescopic slide rod by a booster on the load-bearing shaft, so that the lifting screen supports the production raw materials to bounce up and down, so that the mixing mechanism can fully cut and stir them, while ensuring the activity of the production raw materials. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the structure of a continuous polymerization stirring device and a reaction kettle for carbon fiber production proposed by the present invention; Figure 2 A side view of a continuous polymerization stirring device and a reaction kettle for carbon fiber production proposed by the present invention; Figure 3 This is a schematic structural diagram of a continuous polymerization stirring device for carbon fiber production proposed by the present invention; Figure 4 A cross-sectional view of a continuous polymerization stirring device for carbon fiber production proposed by the present invention; Figure 5 This is a schematic diagram of the structure of a load-bearing support for a continuous polymerization stirring device for carbon fiber production proposed by the present invention; Figure 6 A schematic diagram of a crushing mechanism of a continuous polymerization stirring device for carbon fiber production proposed by the present invention; Figure 7 A schematic diagram of a mixing mechanism of a continuous polymerization stirring device for carbon fiber production proposed by the present invention; Figure 8 A schematic diagram of a driving mechanism of a continuous polymerization stirring device for carbon fiber production proposed by the present invention; Fig. 9 This is a schematic diagram of the kettle structure of a continuous polymerization stirring device for carbon fiber production proposed by the present invention; Fig.10 The present invention is a cross-sectional view of a kettle body of a continuous polymerization stirring device for carbon fiber production proposed by the present invention.

[0019] In the figure: 1, load-bearing bracket; 101, right-angle frame; 102, truss; 103, supporting right-angle frame; 2, driving motor; 3, load-bearing shaft; 4, driving pulley; 5, crushing screen drum; 6, traction turntable; 601, traction long bolt; 7, reciprocating swing rod; 701, traction long hole; 702, driven long hole; 8, moving frame; 801, driven long bolt; 9, booster arc plate; 10, unloading plate; 11, bearing Heavy casing; 12. Central rotating shaft; 13. Driving bevel gear; 14. Driven bevel gear; 15. Synchronous support; 16. Cutting and stirring element; 17. Guide bevel gear; 18. Steering bevel gear; 19. Supercharger; 20. Telescopic slide rod; 21. Slide plate; 22. Return spring; 23. Guide long hole; 24. Guide slide block; 25. Traction connecting rod; 26. Lifting screen; 27. Kettle body; 28. Discharge port. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0021] Reference Figure 1-Figure 10 A continuous polymerization stirring device and a polymerization kettle for carbon fiber production include a load-bearing bracket 1, on which a driving motor 2 is fixedly mounted, and a load-bearing rotating shaft 3 driven to rotate by the driving motor 2 is rotatably mounted on the load-bearing bracket 1. It should be noted that the load-bearing rotating shaft 3 is vertically arranged and extends into the kettle body 27.

[0022] First, refer to the instruction manual. Figure 1 -Attached Figure 4 , Attachment Figure 6 , a crushing screen drum 5 for receiving production materials is integrally connected to the top of the load-bearing rotating shaft 3, and a crushing mechanism for preliminarily crushing production materials is arranged at the upper end of the load-bearing bracket 1 through the crushing screen drum 5, and the crushing mechanism includes a traction turntable 6 fixedly mounted on the output end of the driving motor 2, a reciprocating swing rod 7 movably pulled by the traction turntable 6 is rotatably mounted on the truss 102, and a moving frame 8 movably pulled by the reciprocating swing rod 7 is slidably mounted on the truss 102, a booster arc plate 9 slidably mounted in the crushing screen drum 5 is fixedly mounted on the moving frame 8, and an inclined unloading plate 10 is fixedly mounted on the truss 102, and the rotational motion is converted into a linear reciprocating motion under the transmission action of the reciprocating swing rod 7, so that the booster arc plate 9 reciprocates in the rotating crushing screen drum 5, thereby pushing and pressurizing the production materials that diffuse unidirectionally due to the centrifugal force, so that the production materials are preliminarily crushed in the crushing screen drum 5.

[0023] Secondly, refer to the instructions attached Figure 1 -Attached Figure 4 , Attachment Figure 7 A mixing mechanism for further crushing and stirring the raw materials is arranged at the middle end of the load-bearing bracket 1 through the load-bearing rotating shaft 3, and the mixing mechanism is located below the crushing mechanism. The mixing mechanism includes a load-bearing sleeve 11 fixedly mounted on the supporting right-angle frame 103, and a central rotating shaft 12 which is rotatably mounted in the load-bearing sleeve 11 and is transmission-connected to the load-bearing rotating shaft 3. A synchronous support 15 is fixedly mounted on the central rotating shaft 12, and a cutting and stirring member 16 for cutting and stirring the raw materials is rotatably mounted on the synchronous support 15. The central rotating shaft 12 rotates while revolving on the supporting right-angle frame 103, so as to make more comprehensive contact with the raw materials falling into the kettle body 27, thereby cutting and stirring the raw materials in a wider range.

[0024] Finally, refer to the instructions attached Figure 1 -Attached Figure 4 , Attachment Figure 8 A driving mechanism for driving the production raw materials to turn over is provided at the lower end of the load-bearing bracket 1 through the load-bearing rotating shaft 3, and the driving mechanism is located below the mixing mechanism. The driving mechanism includes a supercharger 19 eccentrically welded on the load-bearing rotating shaft 3, a telescopic slide rod 20 is slidably sleeved on the supporting right-angle frame 103, and a slide plate 21 that movably resists the supercharger 19 is integrally connected to the telescopic slide rod 20, and a return spring 22 is welded between the slide plate 21 and the supporting right-angle frame 103, a guide long hole 23 is vertically opened in the supporting right-angle frame 103, and a guide slider 24 movably pulled by the telescopic slide rod 20 is slidably installed in the guide long hole 23, and a lifting screen 26 for receiving and filtering the production crushed materials is fixedly installed on the guide slider 24, and the production raw materials entering the kettle body 27 fall onto the lifting screen 26, and the lifting screen 26 accelerates the movement of the production raw materials during the repeated bouncing and lifting process, so that it contacts the cutting and stirring member 16 multiple times.

[0025] Refer to the instruction manual Figure 5 The load-bearing support 1 is composed of one right-angle frame 101, one truss 102 and two supporting right-angle frames 103. The truss 102 is integrally connected to the top of the right-angle frame 101, and the two supporting right-angle frames 103 are symmetrically welded to the two sides of the bottom of the right-angle frame 101. The crushing mechanism, the mixing mechanism and the driving mechanism are arranged on the kettle body 27 through the load-bearing support 1 to perform continuous processing operations on the production raw materials.

[0026] The driving motor 2 is fixedly mounted on the right-angle frame 101, and the load-bearing shaft 3 is rotatably mounted in the truss 102. A driving pulley 4 is connected between the output end of the driving motor 2 and the load-bearing shaft 3 via a coupling.

[0027] Refer to the instruction manual Figure 6An eccentrically arranged traction long bolt 601 is integrally connected to the traction turntable 6, and a traction long hole 701 for slidingly fitting the traction long bolt 601 is provided at one end of the reciprocating rocker arm 7, a driven long hole 702 is provided at the other end of the reciprocating rocker arm 7, and a driven long bolt 801 for slidingly fitting in the driven long hole 702 is integrally connected to the moving frame 8, so as to convert the rotational motion into a linear reciprocating motion.

[0028] A driving bevel gear 13 and a driven bevel gear 14 are respectively key-connected to the load-bearing rotating shaft 3 and the central rotating shaft 12, a guide bevel gear 17 with a hollow structure is fixedly mounted on the load-bearing sleeve 11, and a steering bevel gear 18 is key-connected to the cutting and stirring element 16 and is meshed with the guide bevel gear 17, so that the central rotating shaft 12 and the cutting and stirring element 16 are driven in multiple directions.

[0029] A traction link 25 is pin-connected between the telescopic slide rod 20 and the guide slide block 24 , and a lifting screen 26 is slidably sleeved on the load-bearing bracket 1 .

[0030] The polymerization kettle including the above-mentioned continuous polymerization stirring device for carbon fiber production also includes a kettle body 27 for fixing the load-bearing bracket 1, the crushing mechanism is located outside the top of the kettle body 27, and the mixing mechanism and the driving mechanism are located inside the kettle body 27, and a discharge port 28 is provided at the lower end of the kettle body 27, and the top of the kettle body 27 is open to facilitate the uniform introduction of production raw materials into the kettle body 27, thereby preventing the production raw materials from leaking out.

[0031] It should be noted that the specific model and specifications of the drive motor 2 need to be selected and determined according to the actual specifications of the device, and the specific selection calculation method adopts the existing technology in the field, so it is not repeated here.

[0032] The present invention can be explained by the following operation mode: The production raw material to be mixed with acrylonitrile is guided into the crushing screen drum 5, and the driving motor 2 is controlled to start; The output end of the driving motor 2 drives the load-bearing shaft 3 to rotate through the driving pulley 4, thereby driving the crushing screen drum 5 to rotate. At the same time, the traction turntable 6 drives the reciprocating swing rod 7 to swing through the traction long bolt 601. The reciprocating swing rod 7 drives the moving frame 8 to move back and forth in a straight line through the driven long bolt 801, so as to drive the boosting arc plate 9 to move in the crushing screen drum 5, so as to repeatedly pressurize and crush the production raw materials; The crushed raw materials fall through the crushing screen 5 and the discharge plate 10; The load-bearing shaft 3 drives the central shaft 12 to rotate in the load-bearing sleeve 11 through the driving bevel gear 13 and the driven bevel gear 14. The central shaft 12 drives the cutting and stirring member 16 to revolve through the synchronous support 15. At the same time, because the guide bevel gear 17 guides the steering bevel gear 18, the cutting and stirring member 16 also rotates synchronously, thereby cutting and stirring the falling production materials in a larger range, so that the production materials further fall onto the lifting screen 26; The load-bearing shaft 3 drives the supercharger 19 to rotate, and the supercharger 19 intermittently applies pressure to the telescopic slide rod 20 and the return spring 22 through the slide plate 21. The telescopic slide rod 20 drives the guide slide block 24 to rise and fall repeatedly through the traction connecting rod 25, thereby driving the lifting screen 26 to rise and fall repeatedly, so that the production materials on the lifting screen 26 bounce and move, so as to facilitate multiple cutting and stirring, and achieve more sufficient mixing; The production raw materials fully mixed with acrylonitrile are discharged from the kettle body 27 through the discharge port 28.

[0033] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical scheme and inventive concept of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A continuous polymerization stirring device for carbon fiber production, comprising a load-bearing support (1), characterized in that: A driving motor (2) is fixedly mounted on the load-bearing bracket (1), and a load-bearing rotating shaft (3) driven to rotate by the driving motor (2) is rotatably mounted on the load-bearing bracket (1), and a crushing screen drum (5) for receiving production raw materials is integrally connected to the top end of the load-bearing rotating shaft (3); The upper end of the load-bearing support (1) is provided with a crushing mechanism for initially crushing production raw materials via a crushing screen drum (5); A mixing mechanism for further crushing and stirring the production raw materials is arranged at the middle end of the load-bearing support (1) via a load-bearing rotating shaft (3), and the mixing mechanism is located below the crushing mechanism; A driving mechanism for driving the production raw materials to turn is provided at the lower end of the load-bearing support (1) via a load-bearing rotating shaft (3), and the driving mechanism is located below the mixing mechanism.

2. A continuous polymerization stirring device for carbon fiber production according to claim 1, characterized in that: The load-bearing support (1) is composed of one right-angle frame (101), one truss (102) and two supporting right-angle frames (103); the truss (102) is integrally connected to the top of the right-angle frame (101), and the two supporting right-angle frames (103) are symmetrically welded to both sides of the bottom of the right-angle frame (101).

3. A continuous polymerization stirring device for carbon fiber production according to claim 2, characterized in that: The driving motor (2) is fixedly mounted on the right-angle stand (101), and the load-bearing rotating shaft (3) is rotatably mounted in the truss (102), and a driving pulley (4) is connected between the output end of the driving motor (2) and the load-bearing rotating shaft (3) via a coupling.

4. A continuous polymerization stirring device for carbon fiber production according to claim 3, characterized in that: The crushing mechanism comprises a traction turntable (6) fixedly mounted on the output end of a driving motor (2), a reciprocating swing rod (7) movably pulled by the traction turntable (6) rotatably mounted on the truss (102), and a moving frame (8) movably pulled by the reciprocating swing rod (7) slidably mounted on the truss (102), a booster arc plate (9) slidably mounted in a crushing screen drum (5) fixedly mounted on the moving frame (8), and an inclined discharge plate (10) fixedly mounted on the truss (102).

5. A continuous polymerization stirring device for carbon fiber production according to claim 4, characterized in that: The traction rotating disk (6) is integrally connected to an eccentrically arranged traction long bolt (601), and a traction long hole (701) for slidingly fitting the traction long bolt (601) is provided at one end of the reciprocating swing rod (7), a driven long hole (702) is provided at the other end of the reciprocating swing rod (7), and a driven long bolt (801) for slidingly fitting in the driven long hole (702) is integrally connected to the moving frame (8).

6. A continuous polymerization stirring device for carbon fiber production according to claim 5, characterized in that: The mixing mechanism comprises a load-bearing sleeve (11) fixedly mounted on a supporting right-angle frame (103), wherein a central rotating shaft (12) drivingly connected to the load-bearing rotating shaft (3) is rotatably mounted in the load-bearing sleeve (11), a synchronous support (15) is fixedly mounted on the central rotating shaft (12), and a cutting and stirring member (16) for cutting and stirring production raw materials is rotatably mounted on the synchronous support (15).

7. A continuous polymerization stirring device for carbon fiber production according to claim 6, characterized in that: The load-bearing rotating shaft (3) and the central rotating shaft (12) are respectively key-connected with a driving bevel gear (13) and a driven bevel gear (14) that are meshed with each other, the load-bearing sleeve (11) is fixedly sleeved with a guide bevel gear (17) with a hollow structure, and the cutting and stirring member (16) is key-connected with a steering bevel gear (18) that is meshed with the guide bevel gear (17).

8. A continuous polymerization stirring device for carbon fiber production according to claim 7, characterized in that: The driving mechanism comprises a booster (19) eccentrically welded to the load-bearing rotating shaft (3); a telescopic slide rod (20) is slidably mounted on the supporting right-angle frame (103); a slide plate (21) movably abutting against the booster (19) is integrally connected to the telescopic slide rod (20); a return spring (22) is welded between the slide plate (21) and the supporting right-angle frame (103); a guide slot (23) is vertically opened in the supporting right-angle frame (103); a guide slider (24) movably pulled by the telescopic slide rod (20) is slidably mounted in the guide slot (23); a lifting screen (26) for receiving and filtering production scraps is fixedly mounted on the guide slider (24).

9. A continuous polymerization stirring device for carbon fiber production according to claim 8, characterized in that: A traction link (25) is pin-connected between the telescopic slide bar (20) and the guide slide block (24), and the lifting screen (26) is slidably mounted on the load-bearing bracket (1).

10. A polymerization kettle comprising the continuous polymerization stirring device for carbon fiber production according to claim 9, further comprising a kettle body (27) for fixing and mounting the load-bearing bracket (1), characterized in that: The crushing mechanism is located outside the top end of the kettle body (27), and the mixing mechanism and the driving mechanism are located inside the kettle body (27). A discharge port (28) is provided at the lower end of the kettle body (27).

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