CN219009485U

CN219009485U - Prepreg cutting equipment

Info

Publication number: CN219009485U
Application number: CN202223157128.8U
Authority: CN
Inventors: 陈港; 朱凯; 李平亮; 高志成; 眭烨飞
Original assignee: Jiangsu Hengshen Co Ltd
Current assignee: Jiangsu Hengshen Co Ltd
Priority date: 2022-11-28
Filing date: 2022-11-28
Publication date: 2023-05-12
Anticipated expiration: 2032-11-28

Abstract

The utility model discloses prepreg slitting equipment which comprises an unreeling device and a reeling device, wherein the unreeling device comprises at least two unreeling shafts with different sizes, and a large-size unreeling shaft is detachably sleeved on the periphery of a small-size unreeling shaft; the slitting device is arranged at one side of the unreeling device and used for slitting the master batch, and comprises a slitting upper cutter and a slitting lower cutter which is matched with the slitting upper cutter; the winding device comprises a bait winding device, a finished product winding device and a lining paper winding device for winding lining paper; the raw materials on the unreeling shaft unreels to produce lining paper and master batch, the finished product material formed after the master batch is cut by the cutting device is rolled by the finished product rolling device, and the formed bait is rolled by the bait rolling device. The unreeling device is designed with unreeling shafts of different sizes, and a large-size unreeling shaft is detachably sleeved on the periphery of a small-size unreeling shaft; when the slitting machine is used, the size of the unwinding shaft can be selected according to the size of the slit raw materials, and the slitting machine can be suitable for slitting raw materials with different sizes.

Description

Prepreg cutting equipment

Technical Field

The utility model relates to the technical field of prepreg cutting, in particular to prepreg cutting equipment.

Background

With the rapid development of the carbon fiber composite industry, more and more carbon fiber composites are applied to our daily lives. Meanwhile, on high-end precision equipment such as civil aviation, military aircraft and the like, the duty ratio of the carbon fiber composite material is also higher and higher, and higher requirements are also put on the performance of the carbon fiber composite material. Particularly, the carbon fiber composite material represented by an automatic wire laying process generally uses materials with widths of 3.175mm, 6.35mm and 12.7mm, has a tolerance of +/-0.125 mm required for the width of the materials, and needs to ensure that the edges of the materials are smooth and have no fine fuzziness.

It is found that the existing slitting equipment is generally only suitable for slitting raw materials with the same size, but not suitable for slitting materials with various sizes. In addition, the existing slitting equipment also has the problems that the quality of slitting is affected due to the fact that the masterbatch is deviated, broken filaments are generated by winding and rubbing, the size of a lower cutter is unreasonable, and the like.

Disclosure of Invention

The utility model aims to provide prepreg cutting equipment so as to solve the problem that the cutting equipment in the prior art cannot be suitable for cutting raw materials with different sizes.

In order to achieve the above purpose, the utility model is realized by adopting the following technical scheme:

a prepreg slitting apparatus comprising:

the unreeling device comprises at least two unreeling shafts with different sizes, and a large-size unreeling shaft is detachably sleeved on the periphery of a small-size unreeling shaft;

the slitting device is arranged at one side of the unreeling device and used for slitting master batch, and comprises a slitting upper cutter and a slitting lower cutter which is matched with the slitting upper cutter;

the winding device comprises a bait winding device, a finished product winding device and a lining paper winding device for winding lining paper;

the raw materials on the unreeling shaft unreels to produce lining paper and master batch, the finished product material formed after the master batch is cut by the cutting device is rolled by the finished product rolling device, and the formed bait is rolled by the bait rolling device.

Further, the device also comprises a deviation correcting device arranged between the unreeling device and the slitting device, wherein the deviation correcting device is in signal connection with the unreeling shaft, and the deviation correcting device is configured to adjust the position of the unreeling shaft according to the position of the master batch discharged by the unreeling shaft.

Further, the unreeling device comprises a second unreeling shaft with a large size and a first unreeling shaft with a small size.

Further, the device also comprises a forward and reverse rotation motor, and the output end of the forward and reverse rotation motor is connected with the first unreeling shaft.

Further, the splicing device is arranged at the front end of the unreeling shaft, the splicing device comprises a pressing plate which is arranged on a splicing platform and can be lifted, a heating plate is further arranged on the splicing platform, and the heating plate is located below the pressing plate.

Further, the pressing plate comprises a first pressing plate, a second pressing plate and a third pressing plate which are arranged in parallel.

Further, the upper slitting knife comprises an upper knife shaft and a circular slitting knife connected to the upper knife shaft;

the slitting lower knife comprises a lower knife shaft and a knife ring connected with the outer side of the lower knife shaft.

Further, the device also comprises an adjusting hand wheel connected to the upper cutter shaft and used for adjusting the height of the upper cutter shaft.

Further, the cutting machine further comprises a lower cutter indicator and a force cutter indicator, wherein a thimble of the lower cutter indicator is connected to the bottom surface of the upper cutter shaft, the upper cutter shaft descends to display the lower cutter depth of the upper cutting cutter through the lower cutter indicator, the thimble of the force cutter indicator is connected to the end part of the upper cutter shaft, and the upper cutter shaft moves left and right to display the force cutter degree of the upper cutting cutter through the force cutter indicator.

Further, the finished product winding device comprises a first finished product winding shaft and a second finished product winding shaft which are arranged up and down on one side of the unwinding shaft;

transparent winding wheels are connected to the first finished product winding shaft and the second finished product winding shaft.

According to the technical scheme, the embodiment of the utility model has at least the following effects: the unreeling device is designed with unreeling shafts of different sizes, and a large-size unreeling shaft is detachably sleeved on the periphery of a small-size unreeling shaft; when the slitting machine is used, the size of the unwinding shaft can be selected according to the size of the slit raw materials, and the slitting machine can be suitable for slitting raw materials with different sizes.

Drawings

FIG. 1 is a front view of a slitting apparatus of the present utility model;

FIG. 2 is a schematic view of a lower blade of the slitting device of the present utility model;

FIG. 3 is a schematic view of a splice platform according to the present utility model;

FIG. 4 is a schematic view of the arrangement of a fork sensor in accordance with the present utility model;

FIG. 5 is a schematic diagram of a practical expression table of a detrusor;

fig. 6 is a schematic diagram of a lower cutter indicator in the present utility model.

Wherein: 1. a first unreeling shaft; 2. a second unreeling shaft; 3. a backing paper take-up shaft; 4. a first finished product winding shaft; 5. a second product take-up shaft; 6. a first bait take-up shaft; 7. a second bait take-up shaft; 8. a lower cutter indicator; 9. a locking device; 10. an adjusting hand wheel; 11. a protective cover plate; 12. left and right adjusting handwheels of the upper cutter shaft; 13. left and right adjusting handwheels of the lower cutter shaft; 14. a detrusor indicator; 15. a first platen; 16. a second pressing plate; 17. a third platen; 18. a splicing platform; 19. a heating plate; 20. a fork sensor; 21. an upper cutter shaft; 22. and a lower cutter shaft.

Detailed Description

The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.

It should be noted that, in the description of the present utility model, the directions or positional relationships indicated by the terms "front", "rear", "left", "right", "upper", "lower", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and do not require that the present utility model must be constructed and operated in a specific direction, and thus should not be construed as limiting the present utility model. The terms "front", "back", "left", "right", "upper", "lower" as used in the description of the present utility model refer to directions in the drawings, and the terms "inner", "outer" refer to directions toward or away from the geometric center of a particular component, respectively.

The purpose of this application is to solve present cutting equipment and generally can only be applicable to the raw materials of equidimension and cut, can not be applicable to the cutting of the material of multiple size.

In addition, on the basis of solving the problem that the cutting of materials with various sizes cannot be applied, the method is improved in the aspects of generating broken filaments, unreasonable cutter size and the like when the master batch is deviated and rolled and scratched.

As shown in fig. 1 to 6, a prepreg cutting device comprises an unreeling device and a reeling device, wherein the unreeling device comprises at least two unreeling shafts with different sizes, and a large-size unreeling shaft is detachably sleeved on the periphery of a small-size unreeling shaft; the slitting device is arranged at one side of the unreeling device and used for slitting the master batch, and comprises a slitting upper cutter and a slitting lower cutter which is matched with the slitting upper cutter; the winding device comprises a bait winding device, a finished product winding device and a lining paper winding device for winding lining paper; the raw materials on the unreeling shaft unreels to produce lining paper and master batch, the finished product material formed after the master batch is cut by the cutting device is rolled by the finished product rolling device, and the formed bait is rolled by the bait rolling device.

The unreeling device is designed with unreeling shafts of different sizes, and a large-size unreeling shaft is detachably sleeved on the periphery of a small-size unreeling shaft; when the slitting machine is used, the size of the unwinding shaft can be selected according to the size of the slit raw materials, and the slitting machine can be suitable for slitting raw materials with different sizes.

This application is further described below.

The prepreg slitting equipment comprises a control platform, a slitting device, an unreeling device, a deviation correcting device, a splicing platform and three reeling devices. The control platform is a production parameter setting platform and is used for setting slitting parameters and controlling the slitting process.

The slitting device comprises an upper slitting cutter and a lower slitting cutter, wherein the upper slitting cutter consists of an upper cutter shaft 21 and a circular slitting cutter, and the lower slitting cutter consists of a lower cutter shaft 22 and a cutter ring. The working length of the upper and lower cutting knives is about 300mm, and the maximum can cut prepreg with the width of 300 mm.

The unreeling device comprises a second unreeling shaft 2 with a large size and a first unreeling shaft 1 with a small size, wherein the first unreeling shaft 1 is an inflatable unreeling shaft, and the second unreeling shaft 2 is a sleeve unreeling shaft. The second unreeling shaft 2 with large size can be mounted on the first unreeling shaft 1 with small size, so that the size of the unreeling shaft is adjusted. Through the setting of unreeling device, make the dipping material of this application cut the masterbatch that equipment can cut two kinds of different diameter sizes through the first unreeling shaft 1 of small-size aerify so that second unreeling shaft 2 zonulae occludens on first unreeling shaft 1.

Further, the present application further includes a forward/reverse rotation motor, and an output end of the forward/reverse rotation motor is connected to the first unwinding shaft 1, so as to drive the forward/reverse rotation motor to rotate forward or reverse. This setting can carry out the unreeling of clockwise, anticlockwise two kinds of directions to the masterbatch, can select the unreeling direction of using the masterbatch according to actual demand to satisfy different cutting demands.

In some further embodiments of the present application, a deviation correcting device is further provided, the deviation correcting device is arranged between the unreeling device and the slitting device, and the deviation correcting device is in signal connection with the unreeling shaft. The deviation correcting device is configured to adjust the position of the unreeling shaft according to the position of the master batch discharged by the unreeling shaft.

Specifically, the deviation correcting device is a fork type sensor 20, the master batch passes through the fork type sensor, the fork type sensor 20 finely adjusts the position of the unwinding shaft by sensing the position of the material in the fork type sensor, collimation is ensured all the time when the material is cut, the collimation degree of the cut material is ensured, and the edge hairline quantity is reduced.

In some further embodiments of the present application, a splicing device is further provided, the splicing device being provided at the front end of the unwind spool. The splicing device comprises a pressing plate which is arranged on a splicing platform 18 and can be lifted, a heating plate 19 is further arranged on the splicing platform 18, and the heating plate 19 is located below the pressing plate. The lifting of the pressing plate can be controlled by an air cylinder, a piston rod or an electric push rod and the like.

In the splicing process, materials pass through the splicing platform 18, the pressing plate is pressed down, and the materials between the pressing plate and the heating plate 19 are spliced. According to the design, the splicing platform can splice materials in a heating and pressurizing mode, heating temperature and splicing pressure can be set on a control computer as required, splicing strength of the materials can be effectively improved through heating and pressurizing type splicing, the materials are prevented from being broken at the splicing position after being cut, meanwhile, the length of a single-cut master batch can be improved through a splicing mode, the splicing times of subsequent procedures are reduced, and accordingly production efficiency is improved.

Further, the pressing plate comprises a first pressing plate 15, a second pressing plate 16 and a third pressing plate 17 which are arranged in parallel, and the effect of pressing the material can be ensured through the arrangement of a plurality of pressing plates.

In a further embodiment of the present application, the product winding device comprises a first product winding shaft 4 and a second product winding shaft 5 which are arranged up and down on one side of the unwinding shaft; transparent hard winding wheels are connected to the first product winding shaft 4 and the second product winding shaft 5. The winding shaft is an inflatable shaft, the winding disc is made of polycarbonate and is transparent in material, the state of the cut material can be observed, the material of the winding disc is harder and is not easy to deform, the edge of the prepreg thread is prevented from rubbing with the edge of the winding disc during cutting, and therefore the phenomenon of fluffing of the edge of the material caused by friction is avoided.

In a further embodiment of the present application, the interleaving paper winding device takes the form of an interleaving paper winding shaft 3, which rotates to wind interleaving paper produced by unreeling raw material. The bait winding device comprises a first bait winding shaft 6 and a second bait winding shaft 7, and both the first bait winding shaft 6 and the second bait winding shaft 7 can be used for winding baits.

In some further embodiments, the device further comprises an adjusting hand wheel 10 connected to the upper cutter shaft 21 for adjusting the height of the upper cutter shaft 21. The locking device 9 for locking the cutter shaft is fixed on the upper cutter shaft 21, and can be a screw, and the height of the unilateral upper cutter shaft can be adjusted by unscrewing the fixed screw of the upper cutter shaft and rotating the upper cutter shaft adjusting hand wheel, so that the level of the cutter shaft is ensured. Further, the upper cutter shaft 21 is also connected with an upper cutter shaft left-right adjusting hand wheel 12, and left-right adjustment of the upper cutter shaft can be realized through the hand wheel. The lower cutter shaft 22 is also connected with a lower cutter shaft left-right adjusting hand wheel 13, and left-right adjustment of the lower cutter shaft can be realized through the lower cutter shaft left-right adjusting hand wheel.

In some further embodiments, the cutting upper blade adjustment and the lower blade adjustment are each provided with a dial for displaying the depth of the lower blade and the degree of blade approaching, so as to quantify the parameters of the cutting blade adjustment, thereby better controlling the cutting process. Specifically, the lower cutter indicator 8 is fixed on the lower cutter shaft 22, the ejector pin of the lower cutter indicator contacts with the bottom surface of the upper cutter shaft, and when the upper cutter shaft 21 descends to touch the extrusion ejector pin, the pointer indication in the lower cutter indicator 8 changes to record the cutter depth. The blade-forcing indicator 14 is fixed on the upper cutter shaft 21, and the ejector pins thereof are contacted with the left end or the right end of the upper cutter shaft, and when the upper cutter shaft moves left and right to touch the extrusion ejector pins, the pointer indication in the blade-forcing indicator 14 is changed to record the blade-forcing degree.

The present application may give a relief depth and a force level depending on the actual thickness of the material. The given cutter depth of the general material is 0.6mm-1mm, the cutter forcing degree is 0.85mm-1.0mm, and the finished prepreg filaments with stable quality can be cut.

Based on the slitting equipment provided by the application, the application also discloses a slitting method, which comprises the following steps:

step 1, checking the slow freezing state of the master batch (the surface of the packaging bag is free from condensed water and can be used), and the shaft diameter of a master batch paper tube.

And 2, selecting a master batch unwinding shaft with a proper size, winding the slit master batch onto the master batch unwinding shaft (selecting a proper mesh material unwinding direction according to the slitting requirement), and inflating the unwinding shaft.

Step 3, adjusting the cutter level: preparing a piece of paper to be placed on the lower cutter shaft, slowly pressing the upper cutter, and continuously moving the paper until the paper cannot move. The tightness degree of the two sides of the paper is sensed by hands, if one side is loosened, the fixing screw of the upper cutter shaft is loosened, the upper cutter shaft adjusting hand wheel is rotated to enable the tightness degree of the two sides to be consistent, the upper cutter shaft is regarded as horizontal, and the fixing screw of the upper cutter shaft is screwed.

Step 4, adjusting a cutter: the depth of the cutter is regulated and controlled to be 0.6mm-1mm, and the degree of cutter forcing is regulated to be 0.85mm-1.0mm.

And 5, manually uncoiling the master batch, stripping the lining paper from the master batch, and coiling the lining paper onto a release paper coiling shaft, namely a release paper coiling shaft 3.

And 6, manually uncoiling the master batch to the front of the slitting knife, wherein the master batch needs to pass through a fork type sensor.

And 7, starting the dividing knife, and holding the two sides of the master batch by both hands to slowly send the master batch into the dividing knife.

And 8, closing the dividing knife after cutting for 1-1.5 meters, and sticking each prepreg wire on the winding disc.

And 9, the adjusting equipment enters an automatic cutting mode, and the starting equipment starts cutting.

And 10, stopping cutting when the master batch is exposed out of the paper tube, enabling the device to enter a manual mode, and cutting each prepreg thread after a cutting knife.

And step 11, firstly adjusting the blade pressing to 0 in sequence, then lifting the upper blade until the upper blade is separated from the lower blade shaft, and finishing cutting.

The method can cut the finished prepreg filaments with stable quality by controlling the depth of the cutter to be 0.6mm-1mm and the degree of the cutter approaching to be 0.85mm-1.0mm.

It will be appreciated by those skilled in the art that the present utility model can be carried out in other embodiments without departing from the spirit or essential characteristics thereof. Accordingly, the above disclosed embodiments are illustrative in all respects, and not exclusive. All changes that come within the scope of the utility model or equivalents thereto are intended to be embraced therein.

Claims

1. A prepreg cutting apparatus, comprising:

2. The prepreg cutting apparatus of claim 1, further comprising a deviation correcting device disposed between the unreeling device and the cutting device, the deviation correcting device in signal communication with the unreeling shaft, the deviation correcting device configured to adjust the position of the unreeling shaft based on the position of the masterbatch discharged by the unreeling shaft.

3. A prepreg cutting apparatus according to claim 1, wherein the unreeling device comprises a second unreeling shaft (2) of large size and a first unreeling shaft (1) of small size.

4. A prepreg cutting apparatus according to claim 3, further comprising a forward and reverse motor, the output of the forward and reverse motor being connected to the first unwind spool (1).

5. The prepreg cutting equipment according to claim 1, further comprising a splicing device arranged at the front end of the unreeling shaft, wherein the splicing device comprises a pressing plate which is arranged on a splicing platform (18) and can be lifted, a heating plate (19) is further arranged on the splicing platform (18), and the heating plate (19) is positioned below the pressing plate.

6. A prepreg cutting apparatus according to claim 5 wherein the platens comprise a first platen (15), a second platen (16) and a third platen (17) arranged side by side.

7. A prepreg cutting apparatus according to claim 1, wherein the upper cutter comprises an upper cutter shaft (21) and a circular cutter connected to the upper cutter shaft (21);

the slitting lower knife comprises a lower knife shaft (22) and a knife ring connected with the outside of the lower knife shaft (22).

8. A prepreg cutting apparatus according to claim 7 further comprising an adjustment hand wheel (10) connected to the upper cutter shaft (21) for adjusting the height of the upper cutter shaft (21).

9. The prepreg cutting equipment according to claim 7, further comprising a lower cutter indicator (8) and a force cutter indicator (14), wherein a thimble of the lower cutter indicator (8) is connected to the bottom surface of the upper cutter shaft (21), the upper cutter shaft (21) descends to display the lower cutter depth of the upper cutting cutter through the lower cutter indicator (8), a thimble of the force cutter indicator (14) is connected to the end part of the upper cutter shaft (21), and the upper cutter shaft (21) moves left and right to display the force cutter degree of the upper cutting cutter through the force cutter indicator (14).

10. A prepreg cutting apparatus according to claim 1, wherein the product winding device comprises a first product winding shaft (4) and a second product winding shaft (5) arranged up and down on one side of the unwinding shaft;

transparent winding wheels are connected to the first finished product winding shaft (4) and the second finished product winding shaft (5).