CN108422477A - Punching device and punching die for composite material pultrusion profiles - Google Patents

Punching device and punching die for composite material pultrusion profiles Download PDF

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Publication number
CN108422477A
CN108422477A CN201810471218.3A CN201810471218A CN108422477A CN 108422477 A CN108422477 A CN 108422477A CN 201810471218 A CN201810471218 A CN 201810471218A CN 108422477 A CN108422477 A CN 108422477A
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CN
China
Prior art keywords
hole
punching
die
lower die
upper mold
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201810471218.3A
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Chinese (zh)
Inventor
马智周
齐玉军
刘伟庆
方海
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Nanjing Tech University
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Nanjing Tech University
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Publication date
Application filed by Nanjing Tech University filed Critical Nanjing Tech University
Priority to CN201810471218.3A priority Critical patent/CN108422477A/en
Publication of CN108422477A publication Critical patent/CN108422477A/en
Pending legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B26HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26FPERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
    • B26F1/00Perforating; Punching; Cutting-out; Stamping-out; Apparatus therefor
    • B26F1/02Perforating by punching, e.g. with relatively-reciprocating punch and bed
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B26HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26FPERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
    • B26F1/00Perforating; Punching; Cutting-out; Stamping-out; Apparatus therefor
    • B26F1/02Perforating by punching, e.g. with relatively-reciprocating punch and bed
    • B26F1/14Punching tools; Punching dies

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  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)

Abstract

The invention discloses a punching device and a punching die for a composite material pultrusion profile, which comprise a punching device and a punching die; the punching device comprises an upper die base, a lower die base, a guide sleeve, a guide pillar, a damping spring, an upper die insert, a lower die insert, a discharging module and a positioning module; the guide sleeve is arranged on the upper die base, the guide pillar is arranged on the lower die base, the damping spring is arranged on the guide pillar, and the upper die base, the lower die base, the guide pillar, the guide sleeve and the damping spring form a die frame; the discharging module and the positioning module are auxiliary modules, and the punching die comprises an upper die and a lower die. The punching device and the die are suitable for punching holes of composite material pultruded plates, groove materials and angle materials, have the advantages of high hole punching precision and high efficiency, and have small hole punching damage, stable quality and various hole punching forms.

Description

A kind of hole punched device and punching die for composite material drawing and extruding section bar
Technical field
The present invention relates to a kind of hole punched device and punching die for composite material drawing and extruding section bar, can to pultrusion plank, Slot material and angle section go out round hole, oblong hole, slotted eye, L-shaped hole and cruciform vent.
Background technology
In recent years, composite material drawing and extruding section bar is due to its excellent material property, and the application in civil engineering is increasingly It is more, consequently also there are some problems, such as the trepanning of composite material drawing and extruding section bar.The trepanning of composite material drawing and extruding section bar is asked Topic, external each specification provide to drill, however there are many drawbacks for drilling, and if drilling efficiency is low, borehole accuracy is low, drilling Quality is not easy to control, and pore-forming is in the form of a single etc..It gains enlightenment from metal material Sheet Metal Forming Technology, using Sheet Metal Forming Technology to composite wood Material carries out punching press pore-forming.Due to the different material characteristics of composite material and metal material, using traditional punching die to composite wood After material drawing and extruding section bar is punched out, often there are the following problems:Hole wall is crude, out-of-flatness;Hole week, fiber do not cut completely;Hole week Matrix is impaired, cracked;Hole week, material interlayer was impaired, and appearance is slight to be layered.
By being further looked to punching hole, the material property analysis of bonded composite drawing and extruding section bar is found, crackle Be both present in material close to lower template side with interlaminar separation phenomenon, due in punch process, touch at first the material of punch by In the support for having subsurface material, fiber and matrix is unlikely that excessive deformation occurs, so that it may to be cut, drawing effect unobvious, Hole week damage of material is smaller;And when punch comes downwards to material sublayer, due to the presence in hole in lower template so that subsurface material does not have There are enough supports, subsurface material is due to the extruding bulging of punch, device to hole week fiber generation tensile stress, finally in material at this time It is pulled off rather than cuts, cause lower layer hole week damage of material serious (MATRIX CRACKING, interlaminar separation etc.).Therefore, it is necessary to tradition Punching die be suitably modified.
Invention content
The purpose of the present invention is overcome the deficiencies in the prior art, material characteristic based on composite material and with metal material Difference is improved traditional punch die, it is proposed that a kind of hole punched device and punching die suitable for composite material drawing and extruding section bar, Make entire punch process upper and lower mould to the effect of material closer to shearing, when minimizing punching device to hole week material damage Wound keeps hole wall smooth clean and tidy, improves trepanning quality.For hole punched device, to meet the trepanning demand of differential profiles different location, Lower die insert is suitably modified.
The technical solution adopted by the present invention is:A kind of hole punched device and punching die for composite material drawing and extruding section bar, Including hole punched device and punching die;
The hole punched device includes upper die holder, lower die holder, guide sleeve, guide post, damping spring, upper mold insert, lower die insert, unloads Expect module and locating module;
The guide sleeve is installed on upper die holder, and the guide post is installed on lower die holder, and the damping spring is mounted on guide post On, the upper die holder, lower die holder, guide post, guide sleeve and damping spring constitute mould bases;
The upper mold insert includes mounting groove, discharge port and pin hole, and upper mold insert is installed on by pin under upper die holder Side;The lower die insert includes lower template mounting groove and branch fastener mounting groove, for installing lower die, lower die insert and lower die holder one Body formed composition cantilevered construction ensures the support stiffness of lower die insert at cantilever;The contilever platform of the lower die insert can be completed The punching of plank, the slot material edge of a wing and web and two limb of angle section;
The inversion module and locating module are supplementary module, and the inversion module includes discharging guide sleeve, discharging guide post, unloads Material spring and stripper, the discharging guide sleeve are installed in upper mold insert, and the discharging guide post is installed on stripper, described to unload Material spring is installed on discharging guide post, and the stripper is equipped with discharging plate hole;The locating module include locating rod, positioning pin and Sliding slot, locating module are fixed on by pin on lower die holder;
The punching die includes upper die and lower die;
The upper mold includes punching cutting edge, rush body, mounting blocks and through-hole, and the body tail portion that rushes sets mounting blocks, and passes through pin Nail is installed below upper mold insert, and the position of the punching cutting edge is corresponding with the position of discharging plate hole, and described rush sets through-hole in body, And it is formed through waste port with hole slightly larger in upper mold insert;
The lower die includes lower template and branch fastener, and the lower template and branch fastener are installed on lower die insert by pin In corresponding mounting groove;Die hole is set in the lower template, lower die hole matches with the punching cutting edge, the branch fastener and upper mold Through-hole match.
Preferably, the discharging plate hole is corresponding with circle, oblong, ellipse, L-shaped and cross according to the difference of upper mold Shape, corresponding, the punching cutting edge form of the upper mold has circle, oblong, ellipse, L-shaped and cross.
Preferably, the lower die hole corresponds to round hole, oblong hole, the ellipse to match therewith according to upper mold difference Hole, L-shaped hole and cruciform vent, the branch fastener section form correspond to the circle to match therewith according to the difference in upper mold through-hole section Shape, oblong, ellipse, L-shaped and cross.
Preferably, the punching cutting edge of the upper mold is inner cutter hole, to avoid hole wall by excessive compression, ensure punching matter Amount.
Preferably, the lower die support crown face forms and supplies at a plane, branch fastener and lower template with lower die plate top surface Punching cutting edge and rush body by hollow out annulus.
Inner cutter hole is arranged in the present invention in upper mold, and through-hole is arranged;Ladder type hole is set in upper mold insert, discharging and Upper mold is installed;The centrally disposed support column of lower template trepanning;Set lower die insert to cantilever design, and with lower die holder one at Type.In addition, being positioned to proximate matter when in order to facilitate punching, locating module is additionally arranged on lower die holder, while rushing for convenience Discharging behind hole is additionally arranged inversion module in upper mold insert.
Advantageous effect:The hole punched device and mold of the present invention is suitable for composite material drawing and extruding plank, and slot material and angle section rush Pressing hole-forming tubular drill has the advantages that trepanning precision is high, efficient, and trepanning damage is small, stable quality, pore-forming are various informative.
Description of the drawings
Fig. 1 is the overall structure diagram of the present invention;
Fig. 2 is the upper modular form schematic diagram of the present invention;
Fig. 3 a are the upper mold insert form schematic diagram of the present invention;
Fig. 3 b are the side view of Fig. 3 a;
Fig. 4 is the lower modular form schematic diagram of the present invention;
Fig. 5 is the lower die insert form schematic diagram of the present invention;
Fig. 6 a are the inversion module schematic diagram of the present invention;
Fig. 6 b are the side view of Fig. 6 a;
Fig. 7 a are the locating module schematic diagram of the present invention;
Fig. 7 b are the side view of Fig. 7 a;
Fig. 8 a-8e are five kinds of punching cutting edge forms of punching die upper mold;
Fig. 9 is upper mold insert and upper die structure schematic diagram;
Figure 10 is lower die insert and lower die structure schematic diagram;
Figure 11 is slot material punching scheme of installation;
Figure 12 is angle section punching scheme of installation.
In figure, 1- die shanks, 2- upper die holders, 3- guide sleeves, 4- damping springs, 5- guide posts, 6- lower die holders, 7- locating modules, 8- Upper mold insert, 9- upper molds, 10- inversion modules, 11- lower dies, 12- lower die inserts, 13- mounting blocks, 14- rush body, 15- through-holes, 16- Punching cutting edge, 17- pin holes, 18- discharge ports, 19- mounting grooves, 20- lower templates, 21- branch fasteners, 22- lower die plate holes, under 23- Template mounting groove, 24- branch fastener mounting grooves, 25- cantilevered constructions, 26- discharging guide sleeves, 27- discharging springs, 28- discharging guide posts, 29- strippers, 30- discharging plate holes, 31- locating rods, 32- positioning pins, 33- sliding slots, 34- composite material drawing and extruding slot materials, 35- are compound Material pultrusion angle section.
Specific implementation mode
The specific implementation mode of the present invention is further described below in conjunction with the accompanying drawings:
As Figure 1-10 shows, a kind of hole punched device and punching die for composite material drawing and extruding section bar, including punching dress It sets and punching die;
The hole punched device includes upper die holder 2, lower die holder 6, guide sleeve 3, guide post 5, damping spring 4, upper mold insert 8, lower die Insert 12, inversion module 10 and locating module 7;
The guide sleeve 3 is installed on upper die holder 2, and the guide post 5 is installed on lower die holder 6, and the damping spring 4 is mounted on On guide post 5, the upper die holder 2, lower die holder 6, guide post 5, guide sleeve 3 and damping spring 4 constitute mould bases;
The upper mold insert 8 includes mounting groove 19, discharge port 18 and pin hole 17, and upper mold insert 8 is installed on by pin 2 lower section of upper die holder;The lower die insert 12 includes lower template mounting groove 23 and branch fastener mounting groove 24, for installing lower die, under Mould insert 12 is integrally formed with lower die holder 6 and constitutes cantilevered construction 25, ensures the support stiffness of lower die insert 12 at cantilever;Under described The contilever platform of mould insert 12 can complete the punching of plank, the slot material edge of a wing and web and two limb of angle section;
The inversion module 10 and locating module 7 are supplementary module, and the inversion module 10 includes discharging guide sleeve 26, discharging Guide post 28, discharging spring 27 and stripper 29, the discharging guide sleeve 26 are installed in upper mold insert 8, and the discharging guide post 28 is pacified Loaded on stripper 29, the discharging spring 27 is installed on discharging guide post 28, and the stripper 29 is equipped with discharging plate hole 30;Institute It includes locating rod 31, positioning pin 33 and sliding slot 32 to state locating module 7, and locating module 7 is fixed on by pin on lower die holder 6;
The punching die includes upper mold 9 and lower die 11;
The upper mold 9 includes punching cutting edge 16, rushes body 14, mounting blocks 13 and through-hole 15, and 14 tail portion of body that rushes sets installation Block 13, and 8 lower section of upper mold insert, the position pair of the position and discharging plate hole 30 of the punching cutting edge 16 are installed on by pin It answers, described rush in body 14 sets through-hole 15, and is formed through waste port with hole slightly larger in upper mold insert 8;
The lower die 11 includes lower template 20 and branch fastener 21, and the lower template 20 and branch fastener 21 are installed by pin It is corresponded in mounting groove 19 in lower die insert 12;Die hole 22, lower die hole 22 and the punching cutting edge 16 are set in the lower template 20 Match, the branch fastener 21 and the through-hole 15 of upper mold 9 match.
The operating process of this hole punched device is as follows, material is placed on the platform that lower die insert 12 and lower die 11 form, Good position is adjusted by locating module 7, press machine drives upper mold 9 to decline by die shank 1, and stripper 29 touches punching work at first Part, with the decline of height, discharging spring 27 is compressed, and subsequent upper mold 9 is contacted with workpiece, then 11 downlink of upper mold, cuts sword Mouth underlying materials, finally into through-hole 15, process terminates branch fastener 21;Under the pushing of branch fastener 21, punched scrap is pressed into In 9 through-hole 15 of upper mold, it is being discharged by the discharge port in upper mold insert 8 after punching several times;When backhaul, in press machine drive Mould 9 rises, and discharging spring 27 is gradually restored by compressive state at this time, and is pushed stripper 29 to move downward and completed discharging, entirely Punching flow terminates.
The replacement flow of punching die is as follows, and the replacement of upper mold 9 first unloads inversion module 10, and upper mold 9 is removed, Replace other upper molds 9, the replacement of lower die 11 first removes lower template 20, then its lower branch fastener 21 is taken out, be substituted for it is upper 9 corresponding branch fastener 21 of mould, finally installs corresponding lower template 20, and entire die change flow terminates.
It is composite material drawing and extruding slot material 34 in figure if Figure 11 is slot material punching scheme of installation;Figure 12 pacifies for angle section punching Schematic diagram is filled, is composite material drawing and extruding angle section 35 in figure.
This hole punched device requires the size and punching position of punching proximate matter as follows:
1. for pultrusion plank, this punching die can be not more than width the pultrusion plank any position of guide sleeve clear distance half It is punched out;
2. for pultrusion slot material, this punching die can be not more than web width the pultrusion slot material web of guide sleeve clear distance half On be punched out, and the hole centre-to-centre spacing edge of a wing be not less than stripper width half;
3. for pultrusion slot material, this punch die can to web width no more than upper mold insert upper surface to lower die holder upper surface away from From the pultrusion slot material edge of a wing be punched out, and hole centre-to-centre spacing web not less than lower die insert cantilever end to branch fastener center away from From;
4. for pultrusion angle section, this punch die can diagonal pair of leg width no more than upper mold insert upper surface to lower die holder upper surface away from From pultrusion angle section be punched out, and another limb of hole centre-to-centre spacing not less than lower die insert cantilever end to branch fastener center distance.
Embodiments of the present invention are described in detail above in association with attached drawing, but the present invention is not limited to described reality Apply mode.For those of ordinary skill in the art, in the range of the principle of the present invention and technological thought, to these implementations Mode carries out a variety of variations, modification, replacement and deformation and still falls in protection scope of the present invention.

Claims (5)

1. a kind of hole punched device and punching die for composite material drawing and extruding section bar, it is characterised in that:Including hole punched device and Punching die;
The hole punched device includes upper die holder, lower die holder, guide sleeve, guide post, damping spring, upper mold insert, lower die insert, discharging mould Block and locating module;
The guide sleeve is installed on upper die holder, and the guide post is installed on lower die holder, and the damping spring is mounted on guide post, institute It states upper die holder, lower die holder, guide post, guide sleeve and damping spring and constitutes mould bases;
The upper mold insert includes mounting groove, discharge port and pin hole, and upper mold insert is installed on by pin below upper die holder;Institute It includes lower template mounting groove and branch fastener mounting groove to state lower die insert, and lower die insert is integrally formed with lower die holder and constitutes cantilever structure It makes;
The inversion module and locating module are supplementary module, and the inversion module includes discharging guide sleeve, discharging guide post, discharging bullet Spring and stripper, the discharging guide sleeve are installed in upper mold insert, and the discharging guide post is installed on stripper, the discharging bullet Spring is installed on discharging guide post, and the stripper is equipped with discharging plate hole;The locating module includes locating rod, positioning pin and cunning Slot, locating module are fixed on by pin on lower die holder;
The punching die includes upper die and lower die;
The upper mold includes punching cutting edge, rush body, mounting blocks and through-hole, and the body tail portion that rushes sets mounting blocks, and is pacified by pin Below upper mold insert, the position of the punching cutting edge is corresponding with the position of discharging plate hole, and described rush sets through-hole in body, and with Slightly larger hole is formed through waste port in upper mold insert;
The lower die includes lower template and branch fastener, and the lower template and branch fastener are installed on lower die insert by pin and correspond to In mounting groove;Die hole is set in the lower template, lower die hole matches with the punching cutting edge, the branch fastener and upper mold it is logical Hole matches.
2. a kind of hole punched device and punching die for composite material drawing and extruding section bar according to claim 1, feature It is:The discharging plate hole has circle, oblong, ellipse, L-shaped and cross, the punching cutting edge form of the upper mold to have circle Shape, oblong, ellipse, L-shaped and cross.
3. a kind of hole punched device and punching die for composite material drawing and extruding section bar according to claim 1, feature It is:The lower die hole has round hole, oblong hole, slotted eye, L-shaped hole and cruciform vent, the branch fastener section form There are circle, oblong, ellipse, L-shaped and cross.
4. a kind of hole punched device and punching die for composite material drawing and extruding section bar according to claim 1, feature It is:The punching cutting edge of the upper mold is inner cutter hole.
5. a kind of hole punched device and punching die for composite material drawing and extruding section bar according to claim 1, feature It is:The lower die support crown face is formed at a plane, branch fastener and lower template for punching cutting edge and punching with lower die plate top surface Body by hollow out annulus.
CN201810471218.3A 2018-05-17 2018-05-17 Punching device and punching die for composite material pultrusion profiles Pending CN108422477A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810471218.3A CN108422477A (en) 2018-05-17 2018-05-17 Punching device and punching die for composite material pultrusion profiles

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810471218.3A CN108422477A (en) 2018-05-17 2018-05-17 Punching device and punching die for composite material pultrusion profiles

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109352729A (en) * 2018-10-11 2019-02-19 南京理工大学 A kind of quick perforating device for Petiolus Trachycarpi processing
CN111636153A (en) * 2020-06-02 2020-09-08 扬州大学 Processing equipment of needle loom damping device and device assembly
CN113210493A (en) * 2021-06-04 2021-08-06 安徽宏源铁塔有限公司 Gasket processing one shot forming mould
CN118403955A (en) * 2024-07-01 2024-07-30 溧阳常大新能源研究有限公司 High-efficient punching equipment is used in machining

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109352729A (en) * 2018-10-11 2019-02-19 南京理工大学 A kind of quick perforating device for Petiolus Trachycarpi processing
CN111636153A (en) * 2020-06-02 2020-09-08 扬州大学 Processing equipment of needle loom damping device and device assembly
CN111636153B (en) * 2020-06-02 2022-01-04 扬州大学 Processing equipment of needle loom damping device and device assembly
CN113210493A (en) * 2021-06-04 2021-08-06 安徽宏源铁塔有限公司 Gasket processing one shot forming mould
CN118403955A (en) * 2024-07-01 2024-07-30 溧阳常大新能源研究有限公司 High-efficient punching equipment is used in machining

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Application publication date: 20180821