A tow infiltrator

Abstract

The application relates to a kind of tow infiltration machines, relating to the technical field of polymer material processing equipment, which comprises a tank body and a roller group for conveying tow, the roller group contains armrest assembly reversibly arranged in the tank body, and extrusion roller mechanism with adjustable outlet end gap. By the reversal of the armrest assembly, the tow path in the tank can be exposed, and the expansion of the extrusion roller gap is matched, to jointly form a temporary and spacious tow channel, thereby solving the problems of narrow tow operation space, low efficiency and easy damage to the tow in the prior art, and significantly improving the convenience and safety of operation.

Description

Technical Field

[0001] This utility model relates to the field of polymer material processing equipment technology, and in particular to a filament impregnation machine. Background Technology

[0002] In the production or modification of high-performance fibers such as para-aramid, impregnation is a crucial step, typically involving roller-driven immersion of the fiber bundle into a solution within a treatment tank for a chemical reaction. Existing technologies generally employ a fixed tank structure, where the pressure rollers within the tank are invariably positioned, requiring the fiber bundle to pass under these fixed rollers to achieve the impregnation path. This traditional design reveals significant drawbacks in practical operation: during the fiber drawing process, operators must carefully guide the fiber bundle through the narrow gaps between the fixed rollers, a cumbersome and inefficient process. Furthermore, the extrusion rollers used to squeeze out excess solution are often rigidly installed or have inconvenient adjustment structures, further increasing the difficulty of the fiber drawing operation and impacting production efficiency.

[0003] Therefore, existing tow impregnation machines have significant shortcomings in terms of ease of towing. The fixed roller system layout limits the space for towing, making operation not only time-consuming and labor-intensive but also prone to damaging the tow due to improper operation. How to simplify the towing process and provide temporary and sufficient operating space has become a practical problem that urgently needs to be improved in this field. Utility Model Content

[0004] The purpose of this utility model is to provide a tow impregnation machine to solve the problems of inconvenient tow drawing operation, poor equipment adaptability and inconvenient operation in the prior art.

[0005] To solve the above-mentioned technical problems, the present invention adopts the following technical solution: a filament impregnation machine, comprising a tank for holding a solution and a roller assembly for conveying the filaments, wherein the roller assembly includes:

[0006] A reversible boom assembly disposed within the groove for flipping out of the groove during wire drawing to provide wire threading space;

[0007] The extrusion roller assembly located at the outlet end of the trough includes an upper roller and a lower roller that can move relative to each other to press or release the filament bundle, and a gap adjustment mechanism for driving the upper roller to move.

[0008] Preferably, the reversible boom assembly includes at least one rotating boom with a sinking pressure roller on it. The rotating boom is rotatably connected to the side wall of the trough via a pivot and is provided with a quick-release buckle for locking the rotating boom in the working position.

[0009] More preferably, the gap adjustment mechanism includes:

[0010] Supports are fixedly installed on both sides of the extrusion roller assembly;

[0011] A slider is slidably mounted on the bracket, and an upper roller is rotatably connected to the slider;

[0012] An adjusting screw is disposed on the top of the bracket and threadedly connected to the bracket, the lower end of the adjusting screw being either connected to or separate from the top of the slider;

[0013] A compression spring fitted onto the adjusting screw has its two ends abutting against the bracket and the slider, respectively.

[0014] More preferably, the gap adjustment mechanism further includes an adjustment roller rotatably disposed on the slider and a limiting block fixed on the bracket; the circumferential surface of the adjustment roller is provided with a planar notch, and by rotating the adjustment roller, the planar notch can be made to contact the top surface of the limiting block, or the outer circumferential arc surface of the adjustment roller can be made to contact the top surface of the limiting block, so as to change the initial height position of the slider.

[0015] More preferably, one end of the adjusting roller is connected to a handle for driving its rotation.

[0016] More preferably, the tank is also equipped with a heating device for heating the solution.

[0017] More preferably, a fixed wire-drawing roller is also provided at the inlet end of the groove.

[0018] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0019] By ingeniously designing a boom assembly that can flip over the trough and an adjustable-gap squeeze roller assembly at the outlet, a smooth yarn path is created that can be opened during the yarn initiation stage and closed during operation. The flip-over boom assembly significantly increases the operating space within the trough during yarn initiation, allowing the yarn to pass easily from below, completely eliminating the problem of difficult threading in narrow fixed roller gaps. Simultaneously, the upper roller of the squeeze roller assembly can be quickly raised via the gap adjustment mechanism, creating a wide threading gap. Combined with the flip-over boom, this makes the entire yarn initiation path from the trough inlet to the outlet intuitive and smooth. This design greatly simplifies yarn initiation operations, significantly improves work efficiency, and reduces the risk of damaging high-performance yarn due to improper operation. Attached Figure Description

[0020] Figure 1 This is a schematic diagram of the overall structure in the embodiment;

[0021] Figure 2 This is a cross-sectional view of the overall structure in the embodiment;

[0022] Figure 3 This is a schematic diagram of the rotating boom flipping and lifting in the embodiment;

[0023] Figure 4 This is a schematic diagram of the extrusion roller assembly and the gap adjustment mechanism in the embodiment;

[0024] Figure 5 This is a schematic diagram of the structure when the upper roller is lifted in the embodiment.

[0025] In the picture:

[0026] 1. Tank; 2. Tiltable boom assembly; 3. Extrusion roller assembly; 4. Gap adjustment mechanism; 5. Wire guide roller; 21. Rotating boom; 22. Sinking pressure roller; 23. Quick-release buckle; 31. Upper roller; 32. Lower roller; 41. Bracket; 42. Slider; 43. Adjusting screw; 44. Compression spring; 45. Adjusting roller; 451. Planar notch; 46. Limiting block; 47. Handle. Detailed Implementation

[0027] To facilitate understanding by those skilled in the art, the present invention will be further described below with reference to embodiments and accompanying drawings. The content mentioned in the embodiments is not intended to limit the present invention.

[0028] It should be noted in advance that, in this utility model, unless otherwise explicitly specified and limited, terms such as "installation," "connection," "joining," and "fixing" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances. Furthermore, in this utility model, unless otherwise explicitly specified and limited, "on" or "below" a second feature can include direct contact between the first and second features, or contact between the first and second features not in direct contact but through another feature between them.

[0029] like Figure 1 and Figure 2 As shown, a tow impregnation machine mainly includes a tank 1, a reversible arm assembly 2, an extrusion roller group 3, and a gap adjustment mechanism 4.

[0030] The tank 1 is used to hold the solution used for wetting. A heating device can be integrated into its bottom or side wall to heat and control the temperature of the solution, thereby accelerating the reaction efficiency between the filament bundle and the solution. A fixed lead-in roller 5 is usually installed at the rear end of the inlet of the tank 1.

[0031] The rotatable boom assembly 2 is one of the core designs for the ease of wire drawing in this invention. In this embodiment, the assembly includes two rotating booms 21, which are rotatably connected to the side walls of the tank 1 via rotating shafts. Each rotating boom 21 has a sinking pressure roller 22 mounted at its lower end. A quick-release buckle 23 is provided near the connection point between the rotating boom 21 and the side wall of the tank 1. When wire drawing is required, the operator can open the quick-release buckle 23 and rotate the rotating boom 21 together with the sinking pressure roller 22 upwards, completely detaching it from the tank 1. Figure 3 As shown. This action greatly increases the operating space inside the tank 1, allowing the filament to pass through the tank 1 below the rotating arm 21 very easily. After the filament is drawn, the rotating arm 21 is flipped back to the working position and locked with the quick-release buckle 23. At this time, the sinking pressure roller 22 presses the filament into the solution for wetting.

[0032] Those skilled in the art should know that the quick buckle 23 can adopt a structure commonly found in the prior art. This embodiment does not make specific limitations, as long as the rotating arm 21 can be fastened to the groove 1. For example, the upper edge of the groove 1 can be a locking seat with a protrusion on the outside. The common quick buckle 23 can achieve the locking function by flipping the handle so that the locking ring fits onto the protrusion and presses against the bottom of the protrusion.

[0033] The extrusion roller assembly 3 is located at the outlet front end of the tank 1 and is mainly used to extrude excess solution from the filament bundle. The extrusion roller assembly 3 includes a fixed lower roller 32 and a movable upper roller 31 located above it. The gap adjustment mechanism 4 is used to control the raising and lowering of the upper roller 31 to press or release the filament bundle.

[0034] Specifically, the gap adjustment mechanism 4 includes brackets 41 fixed to both sides of the extrusion roller assembly 3. Each bracket 41 has a slider 42 that can slide vertically, and the two ends of the upper roller 31 are rotatably connected to these two sliders 42 via bearings. At the top of the bracket 41, an adjusting screw 43 is vertically threaded and connected to it, and the top end of the adjusting screw 43 has a lug for easy manual rotation. The lower end of the adjusting screw 43 can selectively contact or separate from the top of the slider 42. A set of compression springs 44 is sleeved on the adjusting screw 43, with its upper and lower ends abutting against the tops of the bracket 41 and the slider 42 respectively, thereby continuously applying downward pressure to the slider 42.

[0035] The gap adjustment mechanism 4 also includes a key adjusting roller 45, which is parallel to the upper roller 31 and rotatably mounted on the slider 42. A limiting block 46 is fixedly installed on the inner side of the bracket 41, horizontally spanning the outer side of the slider 42. A planar notch 451 is machined into the cylindrical outer wall of the adjusting roller 45. A rotating handle 47 is connected to one end of the adjusting roller 45.

[0036] Its working principle is as follows (in combination with) Figure 4 and Figure 5 ):

[0037] Compressed state ( Figure 4 After the yarn is drawn in, rotate the handle 47 so that the plane notch 451 of the adjusting roller 45 faces downward and contacts the horizontal top surface of the limiting block 46. At this time, under the elastic force of the compression spring 44, the slider 42 is pressed down, and its sliding distance is limited by the contact between the plane notch 451 of the adjusting roller 45 and the limiting block 46, so that the upper roller 31 presses the yarn bundle tightly onto the lower roller 32, completing the liquid squeezing function.

[0038] Lifting state ( Figure 5 When filament drawing is required, first loosen the adjusting screw 43 so that its lower end is no longer in contact with the slider 42. Then, hold the rotating handle 47 and rotate it approximately 90 degrees, changing the planar notch 451 of the adjusting roller 45 from horizontal to vertical. At this time, the outer circumferential arc surface of the adjusting roller 45 abuts against the top surface of the limiting block 46. Since the height of the arc surface is greater than the height of the planar notch, the entire slider 42 is lifted, thereby driving the upper roller 31 to move upward, creating a sufficiently large gap between it and the lower roller 32 to facilitate the passage of the filament.

[0039] The working process of the filament impregnation machine provided in the above embodiment is as follows: During filament drawing, the rotating arm 21 is first flipped up, and the upper roller 31 of the extrusion roller group 3 is raised; the filament is drawn from back to front, passing over the fixed filament drawing roller 5, through the inside of the tank 1 (passing under the flipped rotating arm 21), and then through the gap between the raised upper roller 31 and the lower roller 32. Afterwards, the rotating arm 21 is flipped down and locked, and the rotating handle 47 is operated to press down the upper roller 31. After the equipment is started, the filament moves continuously under the drive of the traction device to complete the impregnation and liquid extrusion processes.

[0040] To facilitate understanding by those skilled in the art of the improvements of this utility model compared to the prior art, some of the accompanying drawings and descriptions of this utility model have been simplified. The above embodiments are preferred implementations of this utility model. In addition, this utility model can be implemented in other ways. Any obvious substitutions without departing from the concept of this technical solution are within the protection scope of this utility model.

Claims

1. A tow impregnation machine, comprising a tank (1) for holding a solution and a roller assembly for conveying the tow, characterized in that, The roller assembly includes: A reversible boom assembly (2) is disposed in the groove (1) and is used to flip out of the groove (1) during wire drawing to provide wire threading space. The extrusion roller group (3) is provided at the outlet end of the groove (1). The extrusion roller group (3) includes an upper roller (31) and a lower roller (32) that can move relative to each other to press or release the filament bundle, and a gap adjustment mechanism (4) for driving the upper roller (31) to move.

2. The tow impregnation machine according to claim 1, characterized in that: The reversible boom assembly (2) includes at least one rotating boom (21), on which a sinking pressure roller (22) is provided. The rotating boom (21) is rotatably connected to the side wall of the trough (1) via a rotating shaft, and is provided with a quick buckle (23) for locking the rotating boom (21) in the working position.

3. The tow impregnation machine according to claim 1, characterized in that, The gap adjustment mechanism (4) includes: Supports (41) are fixedly installed on both sides of the extrusion roller group (3). A slider (42) is slidably mounted on the bracket (41), and the upper roller (31) is rotatably connected to the slider (42). An adjusting screw (43) is provided on the top of the bracket (41) and threadedly connected to the bracket (41). The lower end of the adjusting screw (43) is connected to or separate from the top of the slider (42). A compression spring (44) sleeved on the adjusting screw (43) has its two ends abutting against the bracket (41) and the slider (42) respectively.

4. The tow impregnation machine according to claim 3, characterized in that: The gap adjustment mechanism (4) further includes an adjustment roller (45) rotatably mounted on the slider (42) and a limiting block (46) fixed on the bracket (41); the circumferential surface of the adjustment roller (45) is provided with a planar notch (451), and by rotating the adjustment roller (45), the planar notch (451) can be made to contact the top surface of the limiting block (46), or the outer circumferential arc surface of the adjustment roller (45) can be made to contact the top surface of the limiting block (46) to change the initial height position of the slider (42).

5. The tow impregnation machine according to claim 4, characterized in that: One end of the adjusting roller (45) is connected to a handle (47) for driving its rotation.

6. The tow impregnation machine according to any one of claims 1-5, characterized in that: The tank (1) is also equipped with a heating device for heating the solution.

7. The tow impregnation machine according to any one of claims 1-5, characterized in that: The inlet end of the groove (1) is also provided with a fixed wire guide roller (5).

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