CN111573388A - Process method of prepreg splitting machine - Google Patents
Process method of prepreg splitting machine Download PDFInfo
- Publication number
- CN111573388A CN111573388A CN202010442295.3A CN202010442295A CN111573388A CN 111573388 A CN111573388 A CN 111573388A CN 202010442295 A CN202010442295 A CN 202010442295A CN 111573388 A CN111573388 A CN 111573388A
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- prepreg
- roller
- traction
- rewinding
- splitting machine
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H35/00—Delivering articles from cutting or line-perforating machines; Article or web delivery apparatus incorporating cutting or line-perforating devices, e.g. adhesive tape dispensers
- B65H35/02—Delivering articles from cutting or line-perforating machines; Article or web delivery apparatus incorporating cutting or line-perforating devices, e.g. adhesive tape dispensers from or with longitudinal slitters or perforators
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H18/00—Winding webs
- B65H18/08—Web-winding mechanisms
- B65H18/10—Mechanisms in which power is applied to web-roll spindle
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H20/00—Advancing webs
- B65H20/02—Advancing webs by friction roller
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H23/00—Registering, tensioning, smoothing or guiding webs
- B65H23/02—Registering, tensioning, smoothing or guiding webs transversely
- B65H23/032—Controlling transverse register of web
- B65H23/0326—Controlling transverse register of web by moving the unwinding device
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H23/00—Registering, tensioning, smoothing or guiding webs
- B65H23/04—Registering, tensioning, smoothing or guiding webs longitudinally
- B65H23/18—Registering, tensioning, smoothing or guiding webs longitudinally by controlling or regulating the web-advancing mechanism, e.g. mechanism acting on the running web
- B65H23/182—Registering, tensioning, smoothing or guiding webs longitudinally by controlling or regulating the web-advancing mechanism, e.g. mechanism acting on the running web in unwinding mechanisms or in connection with unwinding operations
- B65H23/1825—Registering, tensioning, smoothing or guiding webs longitudinally by controlling or regulating the web-advancing mechanism, e.g. mechanism acting on the running web in unwinding mechanisms or in connection with unwinding operations and controlling web tension
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H37/00—Article or web delivery apparatus incorporating devices for performing specified auxiliary operations
- B65H37/04—Article or web delivery apparatus incorporating devices for performing specified auxiliary operations for securing together articles or webs, e.g. by adhesive, stitching or stapling
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H41/00—Machines for separating superposed webs
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2511/00—Dimensions; Position; Numbers; Identification; Occurrences
- B65H2511/20—Location in space
- B65H2511/24—Irregularities, e.g. in orientation or skewness
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2515/00—Physical entities not provided for in groups B65H2511/00 or B65H2513/00
- B65H2515/30—Forces; Stresses
- B65H2515/31—Tensile forces
Abstract
The invention relates to the technical field of composite material slitting processing technology, in particular to a technological method of a prepreg slitting machine; the method comprises the following steps: the unreeling process is used for preprocessing the prepreg raw material roll and passively unreeling prepreg sheets; the deviation rectifying process is used for detecting and rectifying the position deviation of the unreeled prepreg sheet; the drawing process is used for actively drawing the prepreg sheet; a slitting process, wherein the prepreg sheet is cut; a film covering treatment process, namely covering films on the cut prepreg sheets; and rewinding process, namely rewinding the treated prepreg sheet. Step one, sleeving a prepreg raw material roll on an unwinding roller; step two, peeling the release paper from the prepreg raw material; and step three, arranging a magnetic powder brake on the unwinding roller. The invention aims to provide a process method of a prepreg splitting machine aiming at the defects in the prior art, which can improve the automation degree and the processing efficiency.
Description
Technical Field
The invention relates to the technical field of composite material slitting processing technologies, in particular to a technological method of a prepreg slitting machine.
Background
With the rapid development of modern industry, the application of composite materials is more extensive. The carbon fiber prepreg is divided into three layers, namely a release paper layer, a prepreg layer and a film layer. The automatic wire laying technology is a key technology for forming complex curved surfaces, has high forming efficiency and reliable quality of formed components, and is widely applied to the high-tech fields of aviation, aerospace and the like. The automatic filament paving machine uses narrow-band prepreg, and has higher requirements on the dimensional accuracy and the edge of the prepreg in the width direction. In order to better meet the requirements of an automatic filament spreading machine, wide prepreg is cut into narrow-band prepreg according to a certain size, and then a film layer is coated and wound.
In the prior art, the continuity and the automation degree of a prepreg slitting process are poor, so that the processing efficiency is low.
In view of the above problems, the designer actively makes research and innovation based on the practical experience and professional knowledge that the product engineering is applied for many years, and by matching with the application of the theory, so as to design the process method of the prepreg splitting machine, thereby improving the automation degree and the processing efficiency.
Disclosure of Invention
The invention aims to provide a process method of a prepreg splitting machine aiming at the defects in the prior art, which can improve the automation degree and the processing efficiency.
In order to achieve the purpose, the invention adopts the technical scheme that:
the method comprises the following steps:
the unreeling process is used for preprocessing the prepreg raw material roll and passively unreeling prepreg sheets;
the deviation rectifying process is used for detecting and rectifying the position deviation of the unreeled prepreg sheet;
the drawing process is used for actively drawing the prepreg sheet;
a slitting process, wherein the prepreg sheet is cut;
a film covering treatment process, namely covering films on the cut prepreg sheets;
and rewinding process, namely rewinding the treated prepreg sheet.
Further, the unreeling process comprises the following steps:
step one, sleeving a prepreg raw material roll on an unwinding roller;
peeling release paper from the prepreg raw material, and sticking the release paper on a release paper winding roller; guiding the residual prepreg sheets to a traction roller, and actively drawing by the traction roller;
and step three, arranging a magnetic powder brake on the unwinding roller, and setting a tension balance value on the unwinding roller.
Further, in the third step, the tension balance value is set according to the flatness of the prepreg after tension is applied to the prepreg.
Further, the deviation rectifying process comprises the following steps:
placing the prepreg sheet in the middle of the induction port of the deviation rectifying sensor behind the unwinding roller, and attaching the prepreg sheet to the tension detector behind the deviation rectifying sensor;
and step five, setting a deviation correction parameter on the deviation correction sensor, and setting a tension extreme value on the tension detector.
Further, the drawing process comprises the following steps:
step six, setting the driving traction speed and traction length extreme values of the traction roller behind the tension detector;
and step seven, starting the traction roller, and stopping the traction roller to move when the traction length of the prepreg reaches the traction length extreme value.
Further, in the sixth step, the input drawing speed of the drawing roll is slightly less than the output drawing speed.
Further, the slitting process comprises the following steps:
step eight, setting the cutting speed of a slitting cutter arranged between the front traction roller and the rear traction roller, wherein the cutting speed is 1-2 times of the output traction speed of the traction rollers;
and step nine, when the traction roller is started and stopped, starting and stopping the slitting cutter simultaneously.
Further, the film coating treatment process comprises the following steps:
and step ten, when the traction roller is started and stopped, simultaneously starting and stopping the waste material winding roller and the film winding roller which are positioned behind the slitting cutter.
Further, the rewinding process comprises the following steps:
step eleven, setting a tension curve and rewinding parameters of a rewinding mechanism located behind the waste material winding roller and the film winding roller.
And step twelve, when the traction roller is started and stopped, starting and stopping the rewinding reel and the film covering and unwinding reel arranged in the rewinding mechanism at the same time.
Further, in the twelfth step, the film covering and unwinding roll is connected with a resistance motor and rotates in the direction opposite to the winding direction of the rewinding roll.
Through the technical scheme of the invention, the following technical effects can be realized:
the prepreg is pretreated, the release paper layer is wound, and then the prepreg is subjected to position correction and tension detection, so that the cutting precision is ensured; and after being cut by the slitting device, the paper is respectively rolled, so that the production efficiency and the automation degree are improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a process of a prepreg splitting machine according to an embodiment of the present invention;
fig. 2 is a flow chart of an unwinding process of a process method of a prepreg splitting machine in the embodiment of the invention;
FIG. 3 is a flow chart of a deviation rectifying process of the process method of the prepreg dividing and cutting machine in the embodiment of the invention;
FIG. 4 is a flow chart of a drawing process of a prepreg dividing and cutting machine in an embodiment of the present invention;
FIG. 5 is a flow chart of a slitting process of a prepreg slitting machine according to an embodiment of the present invention;
FIG. 6 is a flow chart of a laminating process of a prepreg slitter according to an embodiment of the present invention;
FIG. 7 is a flow chart of a rewinding process of a prepreg splitting machine in an embodiment of the invention;
reference numerals: unreeling roller 1, release paper winding roller 2, deviation-correcting sensor 3, tension detector 4, traction roller 5, slitting cutter 6, waste material winding roller 7, film winding roller 8 and rewinding mechanism 9.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
In the description of the present invention, it should be noted that the orientations or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like are based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
A process method of a prepreg splitting machine, as shown in fig. 1, includes:
the unreeling process is used for preprocessing the prepreg raw material roll and passively unreeling prepreg sheets;
the deviation rectifying process is used for detecting and rectifying the position deviation of the unreeled prepreg sheet;
the drawing process is used for actively drawing the prepreg sheet;
a slitting process, wherein the prepreg sheet is cut;
a film covering treatment process, namely covering films on the cut prepreg sheets;
and rewinding process, namely rewinding the treated prepreg sheet.
As a preference of the above embodiment, as shown in fig. 1 and 2, the unreeling process includes the following steps:
firstly, sleeving a prepreg raw material roll on an unwinding roller 1;
peeling release paper from the prepreg raw material, and sticking the release paper on a release paper winding roller 2; guiding the residual prepreg sheets to a traction roller 5, and actively drawing by the traction roller 5;
and step three, arranging a magnetic powder brake on the unwinding roller 1, and setting a tension balance value on the magnetic powder brake.
Specifically, the prepreg raw material roll is firstly placed on the unwinding roller 1, the release paper is peeled and wound on the release paper winding roller 2, and the rest material is guided to the slitting mechanism.
As a preference of the above embodiment, as shown in fig. 1 and 2, in the third step, the tension balance value is set according to the flatness of the prepreg sheet after being subjected to tension.
Specifically, the tension variation of the prepreg during unwinding can cause unevenness of the prepreg, and finally the slitting precision of the prepreg narrow tape is affected. The prepreg sheet can ensure the smoothness only by bearing large tension, a magnetic powder brake passive unwinding mode is adopted, and the balance of the tension of the unwound prepreg is realized by calculating the winding diameter and controlling analog quantity by a control system.
As a preferred example of the above embodiment, as shown in fig. 1 and 3, the deviation rectifying process includes the following steps:
fourthly, placing the prepreg sheet in the middle of the induction port of the deviation rectifying sensor 3 behind the unreeling roller 1, and attaching the prepreg sheet to the tension detector 4 behind the deviation rectifying sensor 3;
and step five, setting a deviation correction parameter on the deviation correction sensor 3, and setting a tension extreme value on the tension detector 4.
Specifically, the deviation amount of the prepreg sheet from the normal path is monitored in real time through the deviation correction sensor 3, and the deviation amount is converted into the left-right displacement of the deviation correction shaft arranged on the unreeling roller 1 by the deviation correction controller 3, so that the prepreg sheet is always kept on the same path, and the slitting blade is used for slitting along the fiber arrangement direction.
As a preference of the above embodiment, as shown in fig. 1 and 4, the drawing process includes the steps of:
step six, setting the extreme values of the active traction speed and the traction length of the traction roller 5 behind the tension detector 4;
and step seven, starting the traction roller 5, and stopping the traction roller 5 when the traction length of the prepreg reaches the traction length extreme value.
Specifically, the front and rear pulling rollers 5 are used for controlling the prepreg conveying speed, and the production speed can be adjusted by adjusting the speed of a motor.
Preferably, as shown in fig. 1 and 4, in the sixth step, the input drawing speed of the drawing roll 5 is slightly lower than the output drawing speed.
Specifically, the linear speed of the output pulling roll needs to be greater than the linear speed of the input pulling roll, so that the prepreg surface can maintain constant tension.
As a preference of the above embodiment, as shown in fig. 1 and 5, the slitting process includes the steps of:
step eight, setting the cutting speed of a slitting cutter 6 arranged between the front traction roller 5 and the rear traction roller 5, wherein the cutting speed is 1-2 times of the output traction speed of the traction rollers 5;
and step nine, when the traction roller 5 is started and stopped, starting and stopping the slitting cutter 6 at the same time.
Specifically, the linear speed of the slitting cutter 6 needs to be larger than that of the output traction roller, so that the prepreg sheet is completely cut into narrow-band prepreg, and the linear speed of the slitting cutter 6 is 1-2 times of the output traction speed through calculation.
As a preference of the above embodiment, as shown in fig. 1 and 6, the coating treatment process includes the steps of:
and step ten, when the traction roller 5 is started and stopped, simultaneously starting and stopping the waste material winding roller 7 and the film winding roller 8 which are positioned behind the slitting cutter 6.
As a preference of the above embodiment, as shown in fig. 1 and 7, the rewinding process comprises the following steps:
step eleven, setting a tension curve and rewinding parameters of a rewinding mechanism 9 positioned behind the waste material winding roller 7 and the film winding roller 8.
And step twelve, when the traction roller 5 is started and stopped, simultaneously starting and stopping the rewinding reel and the film covering and unwinding reel arranged in the rewinding mechanism 9.
Preferably, as shown in fig. 1 and 7, in the twelfth step, the film unwinding spool is connected to a resistance motor and rotates in a direction opposite to the winding direction of the rewinding spool.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. A process method of a prepreg splitting machine is characterized by comprising the following steps:
the unreeling process is used for preprocessing the prepreg raw material roll and passively unreeling prepreg sheets;
the deviation rectifying process is used for detecting and rectifying the position deviation of the unreeled prepreg sheet;
the drawing process is used for actively drawing the prepreg sheet;
a slitting process, wherein the prepreg sheet is cut;
a film covering treatment process, namely covering films on the cut prepreg sheets;
and rewinding process, namely rewinding the treated prepreg sheet.
2. The process method of the prepreg splitting machine according to claim 1, wherein the unreeling process comprises the following steps:
step one, sleeving a prepreg raw material roll on an unwinding roller (1);
peeling release paper from the prepreg raw material, and sticking the release paper on a release paper winding roller (2); guiding the residual prepreg sheets to a traction roller (5) and actively drawing by the traction roller (5);
and step three, arranging a magnetic powder brake on the unwinding roller (1), and setting a tension balance value on the magnetic powder brake.
3. The process method of the prepreg splitting machine according to claim 2, wherein in the third step, the tension balance value is set according to the flatness of the prepreg after being tensioned.
4. A process of a prepreg splitting machine according to claim 3, wherein the deviation rectifying process comprises the following steps:
fourthly, placing the prepreg sheet in the middle of an induction port of the deviation rectifying sensor (3) behind the unreeling roller (1) and attaching the prepreg sheet to the tension detector (4) behind the deviation rectifying sensor (3);
and fifthly, setting a deviation correction parameter on the deviation correction sensor (3), and setting a tension extreme value on the tension detector (4).
5. A process of a prepreg splitting machine according to claim 4, wherein the drawing process comprises the steps of:
step six, setting the extreme values of the active traction speed and the traction length of the traction roller (5) behind the tension detector (4);
and step seven, starting the traction roller (5), and stopping the traction roller (5) to move when the traction length of the prepreg reaches the traction length extreme value.
6. A process according to claim 5, characterised in that in step six the input take-off speed of the take-off roll (5) is slightly less than the output take-off speed.
7. A process of a prepreg splitting machine according to claim 6, wherein the splitting process comprises the steps of:
step eight, setting the cutting speed of a slitting cutter (6) arranged between the front traction roller (5) and the rear traction roller (5), wherein the cutting speed is 1-2 times of the output traction speed of the traction rollers (5);
and step nine, when the traction roller (5) is started and stopped, starting and stopping the slitting cutter (6) simultaneously.
8. A process method of a prepreg splitting machine according to claim 7, wherein the laminating treatment process comprises the following steps:
and step ten, when the traction roller (5) is started and stopped, simultaneously starting and stopping the waste material winding roller (7) and the film winding roller (8) which are positioned behind the slitting cutter (6).
9. A process of a prepreg splitting machine according to claim 8, wherein the rewinding process comprises the steps of:
step eleven, setting a tension curve and rewinding parameters of a rewinding mechanism (9) positioned behind the waste material winding roller (7) and the film winding roller (8);
and step twelve, when the traction roller (5) is started and stopped, simultaneously starting and stopping the rewinding reel and the film covering and unwinding reel arranged in the rewinding mechanism (9).
10. A process method for a prepreg splitting machine as claimed in claim 9, wherein in the twelfth step, the film covering unwinding roll is connected with a resistance motor and rotates along the direction opposite to the winding direction of the rewinding roll.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010442295.3A CN111573388A (en) | 2020-05-22 | 2020-05-22 | Process method of prepreg splitting machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010442295.3A CN111573388A (en) | 2020-05-22 | 2020-05-22 | Process method of prepreg splitting machine |
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| CN111573388A true CN111573388A (en) | 2020-08-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010442295.3A Pending CN111573388A (en) | 2020-05-22 | 2020-05-22 | Process method of prepreg splitting machine |
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| Country | Link |
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| CN (1) | CN111573388A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112873417A (en) * | 2020-12-27 | 2021-06-01 | 太仓创晟机械有限公司 | Efficient and stable precision slitting equipment and working method thereof |
| CN113581904A (en) * | 2021-08-03 | 2021-11-02 | 江西炬森智能装备有限公司 | Precision slitting synthesis equipment and precision slitting synthesis method for composite copper film |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112873417A (en) * | 2020-12-27 | 2021-06-01 | 太仓创晟机械有限公司 | Efficient and stable precision slitting equipment and working method thereof |
| CN113581904A (en) * | 2021-08-03 | 2021-11-02 | 江西炬森智能装备有限公司 | Precision slitting synthesis equipment and precision slitting synthesis method for composite copper film |
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Application publication date: 20200825 |