CN101863048B - Cutting equipment and cutting method for cutting prepregs - Google Patents
Cutting equipment and cutting method for cutting prepregs Download PDFInfo
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- CN101863048B CN101863048B CN 201010213161 CN201010213161A CN101863048B CN 101863048 B CN101863048 B CN 101863048B CN 201010213161 CN201010213161 CN 201010213161 CN 201010213161 A CN201010213161 A CN 201010213161A CN 101863048 B CN101863048 B CN 101863048B
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Abstract
The invention relates to the technical field associated with cutting equipment, in particular to cutting equipment and a cutting method for cutting prepregs. The cutting equipment comprises a bearing device for bearing the prepregs and a cutter feeding device for cutting the prepregs along the vertical direction of the bearing device, wherein the cutter feeding device comprises a transmission mechanism and a cutting mechanism connected with the transmission mechanism; and a fine adjustment mechanism for controlling the cutter feeding device to move along the vertical direction of the bearing device is arranged between the transmission mechanism and the cutting mechanism. The cutting equipment and the cutting method have the advantages that: the wear of a cutting edge of a cutting tool is avoided in the cutting of the prepregs; the cut width of the cut prepregs is small; the cutting size accuracy is high; edge scattering that leads to cut edge quality deterioration is avoided; crushed fine semi-solidified resin and resin glass fiber dust are reduced and even eliminated; the sanitation of the working environment is improved; and the body health of operators and the cleanness of cutting workshops are improved.
Description
Technical field
The present invention relates to the correlative technology field of cutting equipment, particularly relate to a kind of cutting equipment for cutting prepregs and cutting method.
Background technology
Common printed circuit board (PCB) and copper coated foil plate (CCL) are glass fabric of epoxy resin base double side printed wiring board basically, as shown in Figure 1, used base material is by glass fabricbase 1 (being usually used in two-sided and multilayer), preimpregnation has epoxy resin or other resin of semi-solid preparation agent, epoxy resin cure by making the semi-solid preparation agent after rolling forms semi-solid preparation plexiglas fiber cloth (prepreg p.p) substrate 3 of thinner (thickness is 0.02-0.5mm) on glass fabricbase two sides 2,12.Then, cut-parts become needed size through PP slitting cutting machine itemize.Its cutting process process as shown in Figure 2.Semi-solid preparation plexiglas fiber cloth substrate 3 is by the fork 4 of PP slitting cutting machine 10, send into flywheel knife group 5 by compacting wheels 9 and cut itemize with carrying roller 6 and become required width dimensions 7, the upper and lower straight knife 11,12 of sending into PP slitting cutting machine 10 carries out the straight line slices across and becomes Len req size 8.Because semi-solid preparation plexiglas fiber cloth substrate has in temperature and is raised to certain limit, but therefore the sticking characteristics of resin refuse and tool, can be superimposed the substrate after cutting, be warmed to certain limit, by rolling the epoxy resin base plate that solidify to form required thickness.The top layer one or both sides of this substrate be stained with cover the copper book again lamination solidify to form and cover copper book sheet material, be called rigid plate.At last, by techniques such as exposure, corrosion, make the rigidity printed wiring board again.
It generally is the longitdinal cross-section diagram mechanical device that adopts as shown in Figure 3 that the flywheel knife of present PP slitting cutting machine cuts itemize, and it is comprised of cylinder 14, connecting rod 13 and flywheel knife 5.In the time will cutting itemize, cylinder 14 promotes flywheel knife groups 5 to the motion of carrying roller 6 directions by connecting rod 13, till making the blade 15 of flywheel knife group 5 pierce through semi-solid preparation substrate 3 and being pressed on the surface of the higher carrying roller of surperficial hardening strength 6.In cutting the itemize process, take turns to blade 15 and be pressed on all the time on the surface of the higher carrying roller of surperficial hardening strength 6, prepreg 3 by the blade 15 of flywheel knife group 5, cuts itemize and becomes required width dimensions 7 under the rotation of compacting wheels 9 and carrying roller 6.This flywheel knife cuts the itemize mechanical device and has following problem:
(1) in cutting the itemize process, the blade 15 of flywheel knife group 5 contacts with the higher carrying roller of surperficial hardening strength 6 bumps under the thrust of cylinder 14 will cause crimping, thereby makes the edge of a knife passivation of flywheel knife group 5;
(2) edge of a knife 15 of crimping can make the width that cuts of cutting the prepreg after the cutting increase because edge of a knife passivation broadens, the edge scatters and causes the notching edge degradation, directly affect the postorder crudy, subsequent product quality and processing are made troubles, cause production efficiency to reduce;
(3) if the area that scatters at notching edge is larger, the suede hair increases, and can make the substrate size deterioration in accuracy of cutting and scraps, can't recycling, and cause the thin substrate process cost of pure mechanical cutting to increase;
(4) broken thin semi-solid preparation resin and the plexiglas fibre dust of generation can directly pollute the working environment health, affect the healthy of operating personnel and the cleaner production of cutting the workshop.
Summary of the invention
The invention provides a kind of cutting equipment for cutting prepregs, cause easily the technical problem of the edge of a knife passivation of cutting tool when solving cutting prepregs in the prior art.
Another object of the present invention be to provide should this cutting equipment cutting method.
In order to realize first purpose of the present invention, the technical scheme of employing is as follows:
A kind of cutting equipment for cutting prepregs, described cutting equipment comprises:
The bearing device that is used for the support prepreg;
Along the knife device to send of bearing device vertical direction cutting prepregs, described knife device to send comprises transmission mechanism and the cutting mechanism that is connected with transmission mechanism;
Also be provided with between described transmission mechanism and the cutting mechanism for the micro-adjusting mechanism of control knife device to send along the bearing device movement in vertical direction.
As a kind of preferred version, described micro-adjusting mechanism is to form helical structure by threaded screw rod and nut.
As a kind of preferred version, described knife device to send also comprises auxiliary positioner vertical with bearing device and that be connected with micro-adjusting mechanism.
As further preferred version, described knife device to send also comprises flexible connecting rod, and transmission mechanism is connected with micro-adjusting mechanism by flexible connecting rod.
As preferred version further, described bearing device and prepreg contact surface are provided with groove, are full of buffer body in the groove, and the hardness of described buffer body is lower than cutting mechanism.
As preferred version further, described buffer body is polytetrafluoroethylene (PTFE).
As a kind of preferred version, described bearing device is carrying roller or support roller, and described transmission mechanism is cylinder, and described cutting mechanism is the flywheel knife with blade.
As further preferred version, the surperficial annular that described carrying roller contacts with prepreg is provided with groove, embeds the collar that hardness is lower than the flywheel knife blade in the groove.
In order to realize second purpose of the present invention, the technical scheme of employing is as follows:
A kind of cutting method of prepreg, described prepreg comprise first curing agent layer, substrate layer and second curing agent layer that sets gradually, and the concrete steps of described method are:
(91) described transmission mechanism drive micro-adjusting mechanism, cutting mechanism along and the bearing device vertical direction near bearing device, until cutting mechanism stops when entering substrate layer and not contacting second curing agent layer;
(92) described micro-adjusting mechanism drive cutting mechanism along and the bearing device vertical direction near bearing device, until cutting mechanism when entering second curing agent layer and not contacting bearing device, stops and fixing micro-adjusting mechanism;
(93) cutting prepregs.
As a kind of preferred version, described prepreg comprises first curing agent layer, substrate layer and second curing agent layer that sets gradually, and the concrete steps of described method are:
(101) described transmission mechanism drive micro-adjusting mechanism, cutting mechanism along and the bearing device vertical direction near bearing device, until cutting mechanism stops when entering substrate layer and not contacting second curing agent layer;
(102) described auxiliary positioner along with the bearing device vertical direction near bearing device, until auxiliary positioner contacts with first curing agent layer, fixing auxiliary positioner;
(103) described micro-adjusting mechanism drive cutting mechanism along and the bearing device vertical direction near bearing device, until cutting mechanism when entering second curing agent layer and not contacting bearing device, stops and fixing micro-adjusting mechanism;
(104) cutting prepregs.
The present invention avoids causing the edge of a knife passivation of cutting tool when cutting prepregs, minimum to the kerf width that prepreg cuts, cut the dimensional accuracy height, the edge causes the notching edge degradation without scattering, reduce simultaneously even eliminate broken thin semi-solid preparation resin and the plexiglas fibre dust that in cutting process, produces, improve the working environment health, improve the healthy of operating personnel and the cleaning of cutting the workshop.
Description of drawings
Fig. 1 is the hierarchy schematic diagram of prepreg;
Fig. 2 is the structural representation of a kind of specific embodiment of conventional PP slitting cutting machine itemize cut-parts semi-solid preparation plexiglas fiber cloth substrate;
Fig. 3 is the structural representation that the flywheel knife of conventional PP slitting cutting machine cuts itemize;
Fig. 4 is the structural representation that the flywheel knife of this law cuts itemize;
Fig. 5 is the structural representation of a kind of specific embodiment of the present invention;
Fig. 6 is the structural representation of a kind of specific embodiment of the present invention;
Fig. 7 is the structural representation of a kind of specific embodiment of the present invention;
Fig. 8 is the structural representation of a kind of specific embodiment of the present invention.
The specific embodiment
Below in conjunction with the drawings and specific embodiments the present invention is described in more detail.
Flywheel knife blade of the present invention becomes in the process the not method of crimping passivation longitdinal cross-section diagram as shown in Figure 4 cutting itemize, become to remain in the process flywheel knife blade is pierced through epoxy resin 2 and glass fabricbase 1 with flywheel knife blade 15 contacted semi-solid preparation substrates 3 cutting itemize, only thrust and do not pierce through epoxy resin 12 with the contacted semi-solid preparation agent of carrying roller, make flywheel knife blade 15 become in the process and do not contact with carrying roller cutting itemize, thereby guaranteed that flywheel knife blade 15 can the crimping passivation, keep sharp, utilize simultaneously the more crisp characteristic of epoxy resin of semi-solid preparation agent, epoxy resin 12 parts of and semi-solid preparation agent cropped at the epoxy resin 2 of semi-solid preparation agent and glass fabricbase 1 by paddle-tumble after, the epoxy resin 12 of semi-solid preparation agent will separate automatically.
The invention provides the cutting in the itemize process of semi-solid preparation plexiglas fiber cloth substrate, the blade of eliminating flywheel knife is cutting itemize and is becoming the method for crimping passivation in the process.
One of concrete grammar is to adopt the as shown in Figure 5 cross section device of flywheel knife, formed by cylinder 14, connecting rod 13, micro-adjusting mechanism 21 (being formed by threaded screw rod 26 and nut 24), sealing bearing 22, flywheel knife 6 and carrying roller 5, also can adopt device shown in Figure 6, be formed by cylinder 14, connecting rod 13, micro-adjusting mechanism 21, sealing bearing 22, flywheel knife 6 and support roller 25.The effect of cylinder 14 is to seesaw by be dynamically connected bar 13, micro-adjusting mechanism 21, sealing bearing 22 and flywheel knife 6 of (from carrying roller 5 or support roller 25 directions) Sports band after front (to carrying roller 5 or support roller 25 directions), makes flywheel knife 6 reach the purpose of rapid feed and withdrawing.But also only thrust and do not pierce through purpose with the epoxy resin 12 of carrying roller 5 or support roller 25 contacted semi-solid preparation agent to just making flywheel knife blade 15 pierce through the epoxy resin 2 of semi-solid preparation plexiglas fiber cloth substrate 3 and glass fabricbase 1 because the distance of cylinder 14 feeds is difficult to fine adjustment, so by fine adjustment before and after the threaded screw rod 26 of rotary fine adjustment mechanism 21 flywheel knife 6 is accurately located, reach the epoxy resin 2 and the glass fabricbase 1 that make the flywheel knife blade pierce through semi-solid preparation plexiglas fiber cloth substrate 3, only thrust and do not pierce through purpose with the epoxy resin 12 of carrying roller 5 contacted semi-solid preparation agent.Concrete operations are as follows:
Before the process of cutting begins, at first cylinder 14 is run to forward the summit, promote connecting rod 13, micro-adjusting mechanism 21, sealing bearing 22 and forward feed of flywheel knife 6, but the blade 15 of flywheel knife 6 does not also meet the requirements of position (being that the epoxy resin 12 that blade 15 does not have to sting the epoxy resin 12 of semi-solid preparation agent or pierced through the semi-solid preparation agent contacts with carrying roller 5 or support roller 15).Then, pass through again the threaded screw rod 26 of rotary fine adjustment mechanism 21, the blade 15 of flywheel knife 6 is reached only thrust and do not pierce through epoxy resin 12 with carrying roller 5 or support roller 15 contacted semi-solid preparation agent, after the blade 15 of flywheel knife 6 meets the requirements of the position, by nut 24 locked micro-adjusting mechanisms 21, guarantee to become feed invariant position in the process cutting itemize.After above-mentioned adjustment process finishes, can begin to cut itemize until entire volume prepreg 3 to cut itemize complete, cylinder 14 runs to the summit backward, drive connecting rod 13, micro-adjusting mechanism 21, sealing bearing 22 and flywheel knife 6 be withdrawing backward, load onto next roll bending cured sheets 3, cylinder 14 runs to forward the summit, drive connecting rod 13, micro-adjusting mechanism 21, sealing bearing 22 and forward feed of flywheel knife 6, repeat above process, cutting itemize and become the purpose of crimping passivation in the process thereby reach the blade 15 of eliminating flywheel knife 6, the effect of sealing bearing 22 is to make flywheel knife 6 with rotation form cutting prepreg 3 and prevent from cutting dust in the process to fall into and affect flywheel knife 6 verticities in the bearing.When cutting different-thickness prepreg 3, only need to regulate micro-adjusting mechanism 21, the blade 15 that keeps flywheel knife 6 only thrusts and the epoxy resin 12 that do not pierce through with carrying roller 5 or support roller 15 contacted semi-solid preparation agent gets final product.
Two of concrete grammar is to adopt the as shown in Figure 7 cross section device of flywheel knife, by cylinder 14, have flexible connecting rod 16, micro-adjusting mechanism 21, auxiliary positioner 23, sealing bearing 22, flywheel knife 6 and carrying roller 5 and form.Function and the operating principle of cylinder 14, connecting rod 13, micro-adjusting mechanism 21, sealing bearing 22 and flywheel knife 6 are same as described above.The auxiliary positioner 23 that increases can be finely tuned front and back, its effect is to prevent when cutting thinner prepreg 3, the blade 15 of flywheel knife 6 only thrusts and not pierce through the epoxy resin 12 of contacted semi-solid preparation agent shorter with the distance of carrying roller 5, cut in the process because vibrations cause the blade 15 of flywheel knife 6 and the surface collision of carrying roller 5, cause the blade 15 crimping passivation of flywheel knife 6.Concrete operations are as follows:
Before the process of cutting begins, at first cylinder 14 is run to forward the summit, promote connecting rod 13, micro-adjusting mechanism 21, sealing bearing 22 and forward feed of flywheel knife 6, but the blade 15 of flywheel knife 6 does not also meet the requirements of the position.Then, regulate auxiliary positioner 23, it is also locked that its surface is contacted with the epoxy resin 2 of prepreg 3.At last, regulate again the threaded screw rod 26 of micro-adjusting mechanism 21, the blade 15 of flywheel knife 6 is reached only thrust and do not pierce through epoxy resin 12 with carrying roller 5 contacted semi-solid preparation agent, after the blade 15 of flywheel knife 6 meets the requirements of the position, come locked micro-adjusting mechanism 21 by nut 26 locking screw screw mandrels, guarantee to become feed invariant position in the process cutting itemize.Because the blade 15 of flywheel knife 6 immobilizes with the relative distance of auxiliary positioner 23, to pass to flexible connecting rod 16 by auxiliary positioner 23 in the vibrations that cut 5 generations of process middle idler roller eliminates, can not bump with the blade 15 of cutter 6, cut in the process because vibrations cause the blade 15 of flywheel knife 6 and the surface collision of carrying roller 5 thereby eliminate, to cause the blade 15 crimping problem of passivation of flywheel knife 6.
Three of concrete grammar is to adopt the as shown in Figure 8 cross section device of flywheel knife, by cylinder 14, connecting rod 13, micro-adjusting mechanism 21, sealing bearing 22, flywheel knife 6, carrying roller 5 with hardness intensity is lower but the collar 30 (such as polytetrafluoroethylmaterial material) that lubricity is good forms.Function and the operating principle of cylinder 14, connecting rod 13, micro-adjusting mechanism 21, sealing bearing 22 and flywheel knife 6 are same as described above.Embed one hardness intensity is lower but the collar 30 that lubricity is good at the blade 15 corresponding surfaces flutings of carrying roller 5 and flywheel knife 6, its surface is surperficial concordant with carrying roller 5.It is in cutting thinner prepreg 3 processes that this collar 30 must act on, when causing that because of vibrations the blade 15 of flywheel knife 6 pierces through the epoxy resin 12 of phase semi-solid preparation agent, only the collar 30 with groove embedding carrying roller 5 collides, because the hardness intensity of the collar 30 is lower, when the blade 15 of flywheel knife 6 and its collision, only can make the collar 30 surface damages and can not make the blade 15 crimping passivation of flywheel knife 6, thereby reach the purpose of the blade 15 crimping passivation that prevent flywheel knife 6.
Claims (6)
1. cutting equipment that is used for cutting prepregs, described cutting equipment comprises:
The bearing device that is used for the support prepreg;
Knife device to send along bearing device vertical direction cutting prepregs, described knife device to send comprises transmission mechanism and the cutting mechanism that is connected with transmission mechanism, and also is provided with between described transmission mechanism and the cutting mechanism for the micro-adjusting mechanism of control knife device to send along the bearing device movement in vertical direction;
Described micro-adjusting mechanism is to form helical structure by threaded screw rod and nut;
Described knife device to send also comprises auxiliary positioner vertical with bearing device and that be connected with micro-adjusting mechanism;
Described bearing device is carrying roller or support roller, and described transmission mechanism is cylinder, and described cutting mechanism is the flywheel knife with blade;
It is characterized in that described knife device to send also comprises flexible connecting rod, transmission mechanism is connected with micro-adjusting mechanism by flexible connecting rod.
2. cutting equipment according to claim 1 is characterized in that, described bearing device and prepreg contact surface are provided with groove, are full of buffer body in the groove, and the hardness of described buffer body is lower than cutting mechanism.
3. cutting equipment according to claim 2 is characterized in that, described buffer body is polytetrafluoroethylene (PTFE).
4. cutting equipment according to claim 3 is characterized in that, the surperficial annular that described carrying roller contacts with prepreg is provided with groove, embeds the collar that hardness is lower than the flywheel knife blade in the groove.
5. the cutting method of a prepreg adopts claim 1 or 2 described cutting equipments, and described prepreg comprises first curing agent layer, substrate layer and second curing agent layer that sets gradually, and it is characterized in that the concrete steps of described method are:
(91) described transmission mechanism drive micro-adjusting mechanism, cutting mechanism along and the bearing device vertical direction near bearing device, until cutting mechanism stops when entering substrate layer and not contacting second curing agent layer;
(92) described micro-adjusting mechanism drive cutting mechanism along and the bearing device vertical direction near bearing device, until cutting mechanism when entering second curing agent layer and not contacting bearing device, stops and fixing micro-adjusting mechanism;
(93) cutting prepregs.
6. the cutting method of a prepreg adopts claim 3 or 4 described cutting equipments, and described prepreg comprises first curing agent layer, substrate layer and second curing agent layer that sets gradually, and it is characterized in that the concrete steps of described method are:
(101) described transmission mechanism drive micro-adjusting mechanism, cutting mechanism along and the bearing device vertical direction near bearing device, until cutting mechanism stops when entering substrate layer and not contacting second curing agent layer;
(102) described auxiliary positioner along with the bearing device vertical direction near bearing device, until auxiliary positioner contacts with first curing agent layer, fixing auxiliary positioner;
(103) described micro-adjusting mechanism drive cutting mechanism along and the bearing device vertical direction near bearing device, until cutting mechanism when entering second curing agent layer and not contacting bearing device, stops and fixing micro-adjusting mechanism;
(104) cutting prepregs.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010213161 CN101863048B (en) | 2010-06-28 | 2010-06-28 | Cutting equipment and cutting method for cutting prepregs |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010213161 CN101863048B (en) | 2010-06-28 | 2010-06-28 | Cutting equipment and cutting method for cutting prepregs |
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| CN101863048A CN101863048A (en) | 2010-10-20 |
| CN101863048B true CN101863048B (en) | 2013-03-20 |
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| CN 201010213161 Active CN101863048B (en) | 2010-06-28 | 2010-06-28 | Cutting equipment and cutting method for cutting prepregs |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101863049B (en) * | 2010-06-30 | 2012-07-04 | 华中科技大学 | Method and device for cutting prepreg |
| CN109940677B (en) * | 2019-04-03 | 2020-07-07 | 中山华明泰科技股份有限公司 | Automatic cutting device for acrylic solid resin |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB800118A (en) * | 1955-03-10 | 1958-08-20 | Lonza Electric & Chem Works | Improvements in and relating to the division of thermoplastic bodies |
| US3543623A (en) * | 1968-04-02 | 1970-12-01 | Orbo Ab | Machine for cutting strips |
| CN201113199Y (en) * | 2007-08-31 | 2008-09-10 | 吴志浩 | Computer wire stripping machine |
| CN201776779U (en) * | 2010-06-28 | 2011-03-30 | 广东正业科技股份有限公司 | Cutting apparatus used for cutting prepreg |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1076494A (en) * | 1996-09-03 | 1998-03-24 | Sekisui Chem Co Ltd | Half cutting device |
| KR100647266B1 (en) * | 2006-08-09 | 2006-11-23 | 김창회 | Rubber cutting machine |
| WO2008117316A1 (en) * | 2007-03-23 | 2008-10-02 | Stone Italiana Spa | Method for manufacturing rigid or flexible mosaic-like tiles or panels, as well as tiles and panels obtained through said method |
-
2010
- 2010-06-28 CN CN 201010213161 patent/CN101863048B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB800118A (en) * | 1955-03-10 | 1958-08-20 | Lonza Electric & Chem Works | Improvements in and relating to the division of thermoplastic bodies |
| US3543623A (en) * | 1968-04-02 | 1970-12-01 | Orbo Ab | Machine for cutting strips |
| CN201113199Y (en) * | 2007-08-31 | 2008-09-10 | 吴志浩 | Computer wire stripping machine |
| CN201776779U (en) * | 2010-06-28 | 2011-03-30 | 广东正业科技股份有限公司 | Cutting apparatus used for cutting prepreg |
Non-Patent Citations (1)
| Title |
|---|
| JP特开平10-76494A 1998.03.24 |
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Effective date of registration: 20111130 Address after: 523808, science and Technology Industrial Park, Songshan Lake, Dongguan, No. nine, 2 Applicant after: Guangdong Zhengye Technology Co., Ltd. Co-applicant after: Huazhong University of Science and Technology Address before: 523808, science and Technology Industrial Park, Songshan Lake, Dongguan, No. nine, 2 Applicant before: Guangdong Zhengye Technology Co., Ltd. |
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