A yarn arrangement device for automatically rotating and adjusting the width of prepreg

Abstract

The utility model discloses a yarn arrangement device for automatically rotating and adjusting the width of prepreg, comprising comb steel needles, a mounting plate and a mounting base placed on a frame, the comb steel needles are arranged and fixed on the mounting plate at intervals, the mounting plate is rotatably fixed on the mounting base through a rotating shaft and a flange bearing seat, a reducer driven by a motor is connected to the mounting base, the output shaft of the reducer is connected to the rotating shaft, corner needle plates are respectively provided at both ends of the mounting plate through corner brackets, comb steel needles connected to the mounting plate are arranged on the corner needle plate, the output shaft of the reducer is connected to the rotating shaft to drive the mounting plate to rotate to adjust the width of the prepreg, and the rotation of the corner needle plate is used to adjust the yarn density on both sides of the width of the prepreg. The utility model controls the change of different working widths in the horizontal projection direction through a motor. The adjustment not only saves manpower, but also shortens the adjustment time, and the turbine worm reducer with a self-locking function increases the stability of threading and reeding during work.

Description

Technical Field

[0001] The utility model relates to a yarn arrangement device for automatically rotating and adjusting the width of prepreg. Background Art

[0002] The preparation of fiber-reinforced resin-based composite materials requires that each fiber be evenly arranged and fixed through a yarn arrangement device (comb).

[0003] The currently used “straight comb” has a fixed width and cannot solve the two problems encountered in prepreg production: 1) a specific amount of carbon fiber, its distribution width often needs to be precisely adjusted; 2) the fiber surface density within a certain range on both sides of the prepreg often needs to be adjusted. Summary of the invention

[0004] In view of the above problems, the utility model aims to provide a yarn arrangement device for automatically rotating and adjusting the width of prepreg.

[0005] In order to achieve the above purpose, the solution of the utility model is:

[0006] A yarn arrangement device for automatically rotating and adjusting the width of a prepreg comprises comb steel needles, a mounting plate and a mounting base placed on a frame, wherein the comb steel needles are arranged at intervals and fixed on the mounting plate, wherein the mounting plate is rotatably fixed on the mounting base via a rotating shaft and a flange bearing seat, the rotating shaft is arranged at the length center position of the mounting plate, a reducer driven by a motor is connected to the mounting base, the output shaft of the reducer is connected to the rotating shaft, corner needle plates are respectively provided at both side ends of the mounting plate via corner brackets, comb steel needles connected to the mounting plate are arranged on the corner needle plates, the output shaft of the reducer is connected to the rotating shaft to drive the mounting plate to rotate so as to adjust the width of the prepreg, and the rotation of the corner needle plate is used to adjust the yarn density on both sides of the width of the prepreg.

[0007] A further solution is that the length of the corner needle plate is 2%-5% of the width of the prepreg.

[0008] A further solution is that the comb steel needles at one end of the corner needle plate are inserted into the mounting plate as the corner rotation axis fulcrum of the corner needle plate.

[0009] The solution is further as follows: the mounting plate is fixed on a rotating base plate, the rotating base plate is connected and fixed to a rotating shaft, the corner brackets are respectively arranged on both side ends of the rotating base plate, the corner brackets include a sliding support plate, the sliding support plate supports the corner needle plate, the corner needle plate is connected to a rotating connecting plate, and the rotating connecting plate slides on the sliding support plate.

[0010] A further solution is: an arc groove is provided on the sliding support plate, a limit sliding pin is provided on the rotating connecting piece, and the limit sliding pin is inserted into the arc groove to limit the rotation of the corner needle plate.

[0011] The solution is further as follows: support seats are respectively arranged on the mounting bases on both sides of the flange bearing seat, and a limiting fixing piece is arranged on the support seat, and an arc groove is arranged on the upper end surface of the limiting fixing piece, and a limiting sliding rod is arranged on the mounting plate corresponding to the arc groove, and the limiting sliding rod is inserted into the arc groove to limit the rotation of the mounting plate.

[0012] The beneficial effects of the utility model are:

[0013] 1) The change of different working widths in the horizontal projection direction can be automatically controlled by the motor.

[0014] 2) The automatic adjustment not only saves manpower, but also shortens the adjustment time. The width adjustment is precise (mainly fine-tuning at a small angle each time), and the use of a worm gear reducer with a self-locking function increases the stability of the yarn threading and the reed during operation.

[0015] 3) Side steel needle mounting plates with a length ranging from 2% to 5% of the total width are installed on both sides, which can be used to fine-tune the yarn density on both sides to control the gram weight.

[0016] The utility model is described in detail below in conjunction with the accompanying drawings and embodiments. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the structure of the utility model;

[0018] Figure 2 It is a top view schematic diagram of the structure of the utility model;

[0019] Figure 3 This is a schematic diagram of the drive structure of the utility model reducer. Figure 1 A magnified view of part A;

[0020] Figure 4 This is a schematic diagram of the corner needle plate structure of the utility model. Figure 1 Enlarged view of part B. DETAILED DESCRIPTION

[0021] A yarn arrangement device for automatically rotating and adjusting the width of prepreg is a yarn arrangement device for automatically rotating and adjusting the width of prepreg facing 1000mm width PS-1000 or 1300mm width PS-1270, and the automatic rotation adjustment is performed according to the amplitude modulation command. Figure 1 , Figure 2 ,and Figure 3 , Figure 4As shown, the yarn arrangement device comprises a comb steel needle 1, a mounting plate 2 and a mounting base 3 placed on a frame, the comb steel needles 1 are arranged in a row at intervals and fixed on the mounting plate 2, and the fiber yarn passes through between the comb steel needles 1; wherein, the mounting plate 2 is rotatably fixed on the mounting base 3 through a rotating shaft 4 and a flange bearing seat 5, the rotating shaft 4 is set at the center position of the length of the mounting plate 2, and a worm gear reducer 7 driven by a stepping servo motor 6 is connected to the mounting base 3. The output shaft 701 of the reducer 7 is connected to the rotating shaft 4 through an elastic coupling 702. Corner needle plates 9 are respectively provided at both side ends of the mounting plate 2 through corner brackets 8. Comb steel needles 1 connected to the mounting plate are arranged on the corner needle plate 9. The output shaft of the reducer 7 is connected to the rotating shaft 4 to drive the mounting plate 2 to rotate to adjust the width of the prepreg. The rotation of the corner needle plate 9 is used to adjust the yarn density on both sides of the width of the prepreg; wherein: the length of the corner needle plate 9 is 2%-5% of the width of the prepreg.

[0022] In the embodiment: the comb steel needle 1 at one end of the corner needle plate 9 is inserted into the mounting plate 2 as the corner rotation axis fulcrum of the corner needle plate 9.

[0023] In the embodiment: the mounting plate 2 is fixed on a rotating base plate 10, and connecting pieces 1001 are arranged at intervals in the extension direction on the rotating base plate 10, the mounting plate 2 is connected and fixed to the connecting piece 1001, the middle section of the rotating base plate 10 is thickened and connected and fixed to the rotating shaft 4, and the corner brackets 8 are respectively connected and arranged at both ends of the rotating base plate 10, and the corner brackets 8 include a sliding support plate 801, and the sliding support plate 801 supports the corner needle plate 9, and the corner needle plate 9 is connected with a rotating connecting piece 11, and the rotating connecting piece 11 slides on the sliding support plate 801. An arc groove 801-1 is arranged on the sliding support plate 801, and a limit sliding pin 1101 is arranged on the rotating connecting piece, and the limit sliding pin 1101 is inserted into the arc groove 801-1 to limit the rotation of the corner needle plate 9.

[0024] In the embodiment: the rotation of the mounting plate 2 is a limited rotation, and support seats 12 are respectively arranged on the mounting bases 3 on both sides of the flange bearing seat 5, and a limited fixing piece 1201 is arranged on the support seat 12, and an arc groove 1202 is arranged on the upper end surface of the limited fixing piece. A limited sliding rod 201 is arranged on the mounting plate 2 corresponding to the arc groove 1202, and the limiting sliding rod 201 is inserted into the arc groove 1202 to limit the rotation of the mounting plate 2.

[0025] In the above-mentioned embodiment of the yarn arrangement device for automatically rotating and adjusting the width of the prepreg, the comb steel needle mounting plate is mounted on the mounting base, the reducer and the motor are fixed on the mounting base, the bearing is mounted on the mounting base with a bearing seat, the mounting plate is fixed on a rotating base plate, the rotating shaft of the rotating base plate is mounted in the bearing, and the middle is connected to the reducer through a coupling, and the closed-loop stepper motor provides power, and the worm gear reducer reduces speed and increases torque, driving the rotating base plate to rotate, thereby realizing the change of different working widths in the horizontal direction. The base is equipped with limit support fixings on both sides of the bearing seat, and the limit support fixings have guide grooves. When rotating, the limit rod under the rotating base plate slides in the guide groove. At the same time, the limit support fixings also play a stabilizing role in the rotating base plate, preventing the comb steel needle mounting plate from swinging up and down, front and back, left and right during operation, thereby ensuring the stability of the comb steel needle mounting plate during operation.

[0026] In the split reed part: the universal comb steel needle is inserted into the mounting plate, the split reed is made into a detachable component, the two sides of the steel needle mounting plate (outer side) adopt the corner needle plate structure, the corner needle plate slides on the sliding support plate through the rotating connecting piece, the sliding support plate has a guide waist groove, the rotating connecting piece is installed on the corner needle plate of the steel needle mounting plate (outer side), and the rotating connecting piece is fixed through the waist groove and the sliding support plate with screws. When the angle needs to be adjusted, loosen the screws and adjust it manually.

[0027] In the embodiment, the motor is used to control the change of different working widths in the horizontal projection direction of the prepreg. The use of a motor to achieve automatic adjustment not only saves manpower, but also shortens the adjustment time. The width adjustment is accurate (mainly fine-tuning a small angle each time), and the use of a worm gear reducer with a self-locking function increases the stability of the yarn threading and the reed during work. Side steel needle mounting plates with a length ranging from 2% to 5% of the total width are installed on both sides, which can be used to fine-tune the yarn density on both sides to control the gram weight.

Claims

1. A yarn arrangement device for automatically rotating and adjusting the width of prepreg, comprising a comb steel needle, a mounting plate and a mounting base placed on a frame, wherein the comb steel needles are arranged at intervals and fixed on the mounting plate, characterized in that: The mounting plate is rotatably fixed on the mounting base through a rotating shaft and a flange bearing seat. The rotating shaft is set at the center position of the length of the mounting plate. A reducer driven by a motor is connected to the mounting base. The output shaft of the reducer is connected to the rotating shaft. Corner needle plates are respectively provided on both sides of the mounting plate through corner brackets. Comb steel needles connected to the mounting plate are arranged on the corner needle plates. The output shaft of the reducer is connected to the rotating shaft to drive the mounting plate to rotate to adjust the width of the prepreg. The rotation of the corner needle plate is used to adjust the yarn density on both sides of the width of the prepreg.

2. The yarn arrangement device according to claim 1, characterized in that: The length of the corner needle plate is 2%-5% of the width of the prepreg.

3. The yarn arrangement device according to claim 1, characterized in that: The comb steel needles at one end of the corner needle plate are inserted into the mounting plate as the corner rotation axis fulcrum of the corner needle plate.

4. The yarn arrangement device according to claim 1, 2 or 3, characterized in that: The mounting plate is fixed on a rotating base plate, the rotating base plate is connected and fixed to a rotating shaft, sliding support plates are respectively arranged on both side ends of the rotating base plate, the corner needle plate is connected with a rotating connecting piece, and the rotating connecting piece slides on the sliding support plate.

5. The yarn arrangement device according to claim 4, characterized in that: The corner brackets are respectively arranged at both side ends of the rotating base plate, and the corner brackets include a sliding support plate, which supports the corner needle plate, and the corner needle plate is connected with a rotating connecting piece, which slides on the sliding support plate.

6. The yarn arrangement device according to claim 1, 2 or 3, characterized in that: Support seats are respectively arranged on the mounting bases on both sides of the flange bearing seat, and a limit fixing piece is arranged on the support seat. An arc groove is arranged on the upper end surface of the limit fixing piece, and a limit sliding rod is arranged on the mounting plate corresponding to the arc groove. The limit sliding rod is inserted into the arc groove to limit the rotation of the mounting plate.

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