CN106111829A - A kind of Full-automatic punching machine feeder - Google Patents

Abstract

The invention discloses a kind of Full-automatic punching machine feeder, including material conveying platform, the upper end of described material conveying platform is respectively provided on two sides with mounting seat, described mounting seat is provided with image positioning apparatus and multi-direction pay-off, the middle part of described material conveying platform is respectively arranged at two ends with a screw rod and fixes seat, two described screw rods are fixed seat and are connected by the first screw rod, described first screw rod be respectively provided on two sides with the first guide rail, article two, the first guide rail is connected by locating platform, the middle part of described locating platform is spirally connected with described first screw rod, and described locating platform is provided with initial alignment plate.The present invention gathers the telltale mark on product by camera lens, under computer record after specifically labelled coordinate position, it is sent into the product to be punched of coming, adjust on product to be punched specifically labelled coordinate position under specifically labelled coordinate position and computer record by locating platform consistent, thus may insure that the hole, two location of product to be punched is accurately suspended in two positioning needles of diel.

Description

A kind of Full-automatic punching machine feeder

Technical field

The present invention relates to field of machining, be specifically related to a kind of Full-automatic punching machine feeder.

Background technology

In correlation technique, punch press feeder is the mode using location of keeping to the side at conveying sheet-shaped product to be punched, by solid Deckle angle realizes, and this mode keeping to the side location has the disadvantage that 1, cuts lamellar semi-finished product corner very strictly, needs Cut is quite neat, is imprinted on flaky material if cutting irregular or printed pattern, and skew all can occur in each position, just Can accurately not deliver in the positioning needle of punching machine mold, cause product punching press when punching press inaccurate；2, existing punch press feeding Machine can only one direction feeding, poor for applicability, volume of production is low.

Summary of the invention

For solving the problems referred to above, it is desirable to provide a kind of Full-automatic punching machine feeder.

The purpose of the present invention realizes by the following technical solutions:

A kind of Full-automatic punching machine feeder, including material conveying platform, the upper end of described material conveying platform is respectively provided on two sides with installation Seat, described mounting seat is provided with image positioning apparatus and multi-direction pay-off, and the two ends, middle part of described material conveying platform set respectively Having a screw rod to fix seat, two described screw rods are fixed seat and are connected by the first screw rod, being respectively provided on two sides with of described first screw rod First guide rail, two the first guide rails are connected by locating platform, and the middle part of described locating platform is spirally connected with described first screw rod, institute State locating platform and be provided with initial alignment plate.

The invention have the benefit that employing image positioning apparatus and multi-direction pay-off, pass through image positioning apparatus Camera lens gather the telltale mark on product, under computer record after specifically labelled coordinate position, be sent into waiting of coming and rush Die pressing product, adjusts on product to be punched specifically labelled seat under specifically labelled coordinate position and computer record by locating platform Cursor position is consistent, thus may insure that the hole, two location of product to be punched is accurately suspended to two positioning needles of diel On, thus solve above-mentioned technical problem.

Accompanying drawing explanation

The invention will be further described to utilize accompanying drawing, but the application scenarios in accompanying drawing does not constitute any limit to the present invention System, for those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to obtain according to the following drawings Other accompanying drawing.

Fig. 1 is the structural representation of the present invention；

Fig. 2 is the structural representation of life appraisal device of the present invention.

Detailed description of the invention

In conjunction with following application scenarios, the invention will be further described.

Application scenarios 1

See Fig. 1, Fig. 2, the Full-automatic punching machine feeder of an embodiment of this application scene, including material conveying platform 11, The upper end of described material conveying platform 11 is respectively provided on two sides with mounting seat 12, and described mounting seat 12 is provided with image positioning apparatus 5 with many Direction pay-off 6, the middle part of described material conveying platform 11 is respectively arranged at two ends with a screw rod and fixes seat 13, and two described screw rods are fixed Seat 13 is connected by the first screw rod 14, described first screw rod 14 be respectively provided on two sides with the first guide rail 15, two the first guide rails 15 Being connected by locating platform 16, (middle part of 16 is spirally connected described locating platform with described first screw rod 14, on described locating platform 16 It is provided with initial alignment plate 17.

Preferably, described image positioning apparatus 5 includes the first bracing frame 51, and the cross bar of described first bracing frame 51 is spaced Being provided with at least one camera position-fixing base 52, described camera position-fixing base 52 is provided with camera lamp bracket 53, and described camera lamp bracket 53 sets There is camera lens 54.

The above embodiment of the present invention uses image positioning apparatus 5 and multi-direction pay-off 6, by image positioning apparatus 5 Camera lens (54) gather the telltale mark on product, under computer record after specifically labelled coordinate position, be sent into and Product to be punched, adjusts on product to be punched telltale mark under specifically labelled coordinate position and computer record by locating platform Coordinate position consistent, thus may insure that hole, two of product to be punched location is accurately suspended to two location of diel On pin, thus solve above-mentioned technical problem.

Preferably, described described multi-direction pay-off 6 includes the second bracing frame 61 and the 3rd bracing frame 62, described The both sides of two bracing frames 61 and described 3rd bracing frame 62 are connected by a steel tank 63 respectively, and the bottom surface of two described steel tanks 63 is divided Not being provided with the second guide rail 64, two described second guide rails 64 are respectively equipped with polylith slide block 65, every piece of described slide block 65 is by one Take-up housing connecting plate 66 connects, and described take-up housing connecting plate 66 lower surface is provided with cross slide way 67, and described cross slide way 67 sets Have sucker 68, described sucker 68 be respectively provided on two sides with a sucker pad 69, be provided with in the middle part of the crossbearer of described 3rd bracing frame 62 First cylinder 60, the output shaft end of described first cylinder 60 is provided with the second screw rod 601, and the middle part of described second bracing frame 61 is provided with Screw rod positioning sleeve 602, described second screw rod 601 end is connected with described screw rod positioning sleeve 602, in the middle part of described second screw rod 601 Being equipped with a nut seat 603, described nut seat 603 is connected with described take-up housing connecting plate 66.

This preferred embodiment arranges the concrete structure of multi-direction pay-off 6, it is achieved that the merit of the multi-direction feeding of the present invention Energy.

Preferably, described Full-automatic punching machine feeder also includes that life appraisal device 7, described life appraisal device 7 include Data preparation module 71 and durability analysis prediction module 72, described data preparation module 71 is used for determining Full-automatic punching machine feeder The crack position of each actual crack, size on the actual measurement loads typical spectrum of body, Full-automatic punching machine feeder body, and to various Crackle carries out geometry simplification classification；Described durability analysis prediction module 72 is for the material to described Full-automatic punching machine feeder body Material carries out fatigue test, obtains the described material fatigue crack growth rate curve corresponding to various crackles, and then to described reality The fatigue crack growth rate curve surveying loads typical spectrum, the crack position of each actual crack, size and various crackle is carried out Crack growth analysis, determines the crack propagation life period corresponding to various crackles, follows further according to described crack propagation life Number of rings determines the estimated value of the remanent fatigue life of corresponding crackle, finally determines the residual fatigue of Full-automatic punching machine feeder body The estimated value in life-span.

This preferred embodiment arranges life appraisal device, and constructs the structural framing of life appraisal device 7, can be real-time The health performance of monitoring Full-automatic punching machine feeder, increases the safety of Full-automatic punching machine feeder running.

Preferably, define corresponding to crackle i=1,2 ... the estimated value collection of the remanent fatigue life of m is { P₁,P₂,…, P_i, the estimated value P of Full-automatic punching machine feeder body remanent fatigue life_ZIt is then:

P_Z=min_{I=1,2 ... m}{P₁,P₂,…,P_i}。

This preferred embodiment determines remanent fatigue life and the Full-automatic punching machine feeding of Full-automatic punching machine feeder body Relation between the remanent fatigue life of each actual crack of machine body, uses the fatigue life of minimum actual crack as entirely The remanent fatigue life of automatic punching machine feeder body, meets Law of Barrel, and accuracy is high.

Preferably, the described material to described Full-automatic punching machine feeder body carries out fatigue test, obtains described material Corresponding to the fatigue crack growth rate curve of various crackles, including:

1) stress intensive factor range of various crackle is calculated, it is considered to the plastically deforming area of Crack Tip end points can tired to material Labor fracture has conclusive impact, crack tip plastic zone is equivalent to a homogenizing containing phase transition strain and is mingled with, definition Stress intensive factor range Δ K_pcComputing formula be:

${\mathrm{\ΔK}}_{pc}=\left\{\begin{array}{cc}{K}_{pc}^{\max }-K_{yc}-{\mathrm{\ΔK}}_{sc},& R\≤0\\ K_{pc}^{\max }-K_{pc}^{\min },& R>0\end{array}\right.$

In formula

$\begin{array}{c}{\mathrm{\ΔK}}_{sc}=\frac{1}{2\sqrt{2\mathrm{\π}}}{\∫}_A{r}^{-3/2}\[\frac{K_{yc}}{\sqrt{2\mathrm{\π}r}}(3{\sin }^2\mathrm{\α}\cos \mathrm{\α}+2\cos \frac{\mathrm{\α}}{2}\cos \frac{3\mathrm{\α}}{2})\\ +3({\mathrm{\σ}}_{11}-{\mathrm{\σ}}_{22})\sin \mathrm{\α}\sin \frac{5\mathrm{\α}}{2}-6{\mathrm{\σ}}_{12}\sin \mathrm{\α}\cos \frac{5\mathrm{\α}}{2}-({\mathrm{\σ}}_{11}+{\mathrm{\σ}}_{22})\cos \frac{3\mathrm{\α}}{2}\]dA\end{array}$

Wherein,For in fatigue and cyclic load by the calculated stress intensity factor through plastic correcting of maximum load Value,For in fatigue and cyclic load by the calculated stress intensity factor value through plastic correcting of minimum load, K_ycFor far Stress intensity factor under field action, crackle LOAD FOR when opening completely obtains, Δ K_scRepresent crack tip plastic zone The stress intensity factor increment caused, A is the area of the plastic zone around crack tip, and it includes being produced in crack propagation process Raw plastic deformation tail district, σ₁₁、σ₁₂、σ₂₂For the stress in crack tip plastic zone, by crack tip plastic zone stress field Finite element method (fem) analysis obtain, R is the ratio of tensile load and compressive load；

2) fatigue crack growth rate curve of various crackle is built, based on Paris formula, it is considered to temperature is to fatigue Crackle expands the impact of speed, and the modified computing formulae defining described fatigue crack growth rate is:

T<0℃OR T>T_maxTime,

$\frac{da}{dN}=C{({\mathrm{\&Delta;K}}_{pc}-{\mathrm{\&Delta;K}}_T)}^M$

0℃≤T≤T_maxTime,

$\frac{da}{dN}=C{\left({\mathrm{\&Delta;K}}_{pc}\right)}^M$

In formula, T is test temperature, T_maxFor the maximum temperature set, T_maxSpan be [35 DEG C, 40 DEG C], a is for splitting Stricture of vagina extension length, N is cycle-index, C and M is material constant, Δ K_TFor cracks can spread performance curved surface at the improper temperature of matching The improper temperature fracture threshold value that post analysis obtains, embodies the temperature impact on spreading rate, and Δ K_TSpan [0, Δ K need to be met_pc)。

This preferred embodiment defines stress intensive factor range Δ K_pcComputing formula, and consider moulding of Crack Tip end points Property deformed area the fatigue fracture of material can be had a conclusive impact, and crack tip plastic zone is equivalent to one containing phase The homogenizing that allergic effect becomes is mingled with, thus the stress intensive factor range Δ K defined_pcA rational mechanical parameter can be work perfectly well as Analyze the impact of crack tip plastic zone counter stress intensity factor with carrying out quantification；Based on Paris formula, it is contemplated that temperature Impact on fatigue crack expansion speed, and define the modified computing formulae of fatigue crack growth rate, improve calculating Precision, and simple and practical.

Preferably, the computing formula of described crack propagation life period N is:

$N={\&Integral;}_{a_0}^{a_c}\frac{1}{C{({\mathrm{\&Delta;K}}_{pc}-{\mathrm{\&Delta;K}}_T)}^M}$

This preferred embodiment determines the computing formula of crack propagation life period N, improves the speed of biometry.

The maximum temperature T of this application scene above-described embodiment_maxIt is set as 35 DEG C, to Full-automatic punching machine feeder body The precision of fatigue life prediction improves 15% relatively.

Application scenarios 2

See Fig. 1, Fig. 2, the Full-automatic punching machine feeder of an embodiment of this application scene, including material conveying platform 11, The upper end of described material conveying platform 11 is respectively provided on two sides with mounting seat 12, and described mounting seat 12 is provided with image positioning apparatus 5 with many Direction pay-off 6, the middle part of described material conveying platform 11 is respectively arranged at two ends with a screw rod and fixes seat 13, and two described screw rods are fixed Seat 13 is connected by the first screw rod 14, described first screw rod 14 be respectively provided on two sides with the first guide rail 15, two the first guide rails 15 Being connected by locating platform 16, (middle part of 16 is spirally connected described locating platform with described first screw rod 14, on described locating platform 16 It is provided with initial alignment plate 17.

Preferably, described image positioning apparatus 5 includes the first bracing frame 51, and the cross bar of described first bracing frame 51 is spaced Being provided with at least one camera position-fixing base 52, described camera position-fixing base 52 is provided with camera lamp bracket 53, and described camera lamp bracket 53 sets There is camera lens (54).

The above embodiment of the present invention uses image positioning apparatus 5 and multi-direction pay-off 6, by image positioning apparatus 5 Camera lens (54) gather the telltale mark on product, under computer record after specifically labelled coordinate position, be sent into and Product to be punched, adjusts on product to be punched telltale mark under specifically labelled coordinate position and computer record by locating platform Coordinate position consistent, thus may insure that hole, two of product to be punched location is accurately suspended to two location of diel On pin, thus solve above-mentioned technical problem.

Preferably, described described multi-direction pay-off 6 includes the second bracing frame 61 and the 3rd bracing frame 62, described The both sides of two bracing frames 61 and described 3rd bracing frame 62 are connected by a steel tank 63 respectively, and the bottom surface of two described steel tanks 63 is divided Not being provided with the second guide rail 64, two described second guide rails 64 are respectively equipped with polylith slide block 65, every piece of described slide block 65 is by one Take-up housing connecting plate 66 connects, and described take-up housing connecting plate 66 lower surface is provided with cross slide way 67, and described cross slide way 67 sets Have sucker 68, described sucker 68 be respectively provided on two sides with a sucker pad 69, be provided with in the middle part of the crossbearer of described 3rd bracing frame 62 First cylinder 60, the output shaft end of described first cylinder 60 is provided with the second screw rod 601, and the middle part of described second bracing frame 61 is provided with Screw rod positioning sleeve 602, described second screw rod 601 end is connected with described screw rod positioning sleeve 602, in the middle part of described second screw rod 601 Being equipped with a nut seat 603, described nut seat 603 is connected with described take-up housing connecting plate 66.

This preferred embodiment arranges the concrete structure of multi-direction pay-off 6, it is achieved that the merit of the multi-direction feeding of the present invention Energy.

Preferably, described Full-automatic punching machine feeder also includes that life appraisal device 7, described life appraisal device 7 include Data preparation module 71 and durability analysis prediction module 72, described data preparation module 71 is used for determining Full-automatic punching machine feeder The crack position of each actual crack, size on the actual measurement loads typical spectrum of body, Full-automatic punching machine feeder body, and to various Crackle carries out geometry simplification classification；Described durability analysis prediction module 72 is for the material to described Full-automatic punching machine feeder body Material carries out fatigue test, obtains the described material fatigue crack growth rate curve corresponding to various crackles, and then to described reality The fatigue crack growth rate curve surveying loads typical spectrum, the crack position of each actual crack, size and various crackle is carried out Crack growth analysis, determines the crack propagation life period corresponding to various crackles, follows further according to described crack propagation life Number of rings determines the estimated value of the remanent fatigue life of corresponding crackle, finally determines the residual fatigue of Full-automatic punching machine feeder body The estimated value in life-span.

This preferred embodiment arranges life appraisal device, and constructs the structural framing of life appraisal device 7, can be real-time The health performance of monitoring Full-automatic punching machine feeder, increases the safety of Full-automatic punching machine feeder running.

Preferably, define corresponding to crackle i=1,2 ... the estimated value collection of the remanent fatigue life of m is { P₁,P₂,…, P_i, the estimated value P of Full-automatic punching machine feeder body remanent fatigue life_ZIt is then:

P_Z=min_{I=1,2 ... m}{P₁,P₂,…,P_i}。

This preferred embodiment determines remanent fatigue life and the Full-automatic punching machine feeding of Full-automatic punching machine feeder body Relation between the remanent fatigue life of each actual crack of machine body, uses the fatigue life of minimum actual crack as entirely The remanent fatigue life of automatic punching machine feeder body, meets Law of Barrel, and accuracy is high.

Preferably, the described material to described Full-automatic punching machine feeder body carries out fatigue test, obtains described material Corresponding to the fatigue crack growth rate curve of various crackles, including:

1) stress intensive factor range of various crackle is calculated, it is considered to the plastically deforming area of Crack Tip end points can tired to material Labor fracture has conclusive impact, crack tip plastic zone is equivalent to a homogenizing containing phase transition strain and is mingled with, definition Stress intensive factor range Δ K_pcComputing formula be:

${\mathrm{\&Delta;K}}_{pc}=\left\{\begin{array}{cc}{K}_{pc}^{\max }-K_{yc}-{\mathrm{\&Delta;K}}_{sc},& R\&le;0\\ K_{pc}^{\max }-K_{pc}^{\min },& R>0\end{array}\right.$

In formula

$\begin{array}{c}{\mathrm{\&Delta;K}}_{sc}=\frac{1}{2\sqrt{2\mathrm{\&pi;}}}{\&Integral;}_A{r}^{-3/2}\&lsqb;\frac{K_{yc}}{\sqrt{2\mathrm{\&pi;}r}}(3{\sin }^2\mathrm{\&alpha;}\cos \mathrm{\&alpha;}+2\cos \frac{\mathrm{\&alpha;}}{2}\cos \frac{3\mathrm{\&alpha;}}{2})\\ +3({\mathrm{\&sigma;}}_{11}-{\mathrm{\&sigma;}}_{22})\sin \mathrm{\&alpha;}\sin \frac{5\mathrm{\&alpha;}}{2}-6{\mathrm{\&sigma;}}_{12}\sin \mathrm{\&alpha;}\cos \frac{5\mathrm{\&alpha;}}{2}-({\mathrm{\&sigma;}}_{11}+{\mathrm{\&sigma;}}_{22})\cos \frac{3\mathrm{\&alpha;}}{2}\&rsqb;dA\end{array}$

Wherein,For in fatigue and cyclic load by the calculated stress intensity factor through plastic correcting of maximum load Value,For in fatigue and cyclic load by the calculated stress intensity factor value through plastic correcting of minimum load, K_ycFor far Stress intensity factor under field action, crackle LOAD FOR when opening completely obtains, Δ K_scRepresent crack tip plastic zone The stress intensity factor increment caused, A is the area of the plastic zone around crack tip, and it includes being produced in crack propagation process Raw plastic deformation tail district, σ₁₁、σ₁₂、σ₂₂For the stress in crack tip plastic zone, by crack tip plastic zone stress field Finite element method (fem) analysis obtain, R is the ratio of tensile load and compressive load；

2) fatigue crack growth rate curve of various crackle is built, based on Paris formula, it is considered to temperature is to fatigue Crackle expands the impact of speed, and the modified computing formulae defining described fatigue crack growth rate is:

T<0℃OR T>T_maxTime,

$\frac{da}{dN}=C{({\mathrm{\&Delta;K}}_{pc}-{\mathrm{\&Delta;K}}_T)}^M$

0℃≤T≤T_maxTime,

$\frac{da}{dN}=C{\left({\mathrm{\&Delta;K}}_{pc}\right)}^M$

In formula, T is test temperature, T_maxFor the maximum temperature set, T_maxSpan be [35 DEG C, 40 DEG C], a is for splitting Stricture of vagina extension length, N is cycle-index, C and M is material constant, Δ K_TFor cracks can spread performance curved surface at the improper temperature of matching The improper temperature fracture threshold value that post analysis obtains, embodies the temperature impact on spreading rate, and Δ K_TSpan [0, Δ K need to be met_pc)。

This preferred embodiment defines stress intensive factor range Δ K_pcComputing formula, and consider moulding of Crack Tip end points Property deformed area the fatigue fracture of material can be had a conclusive impact, and crack tip plastic zone is equivalent to one containing phase The homogenizing that allergic effect becomes is mingled with, thus the stress intensive factor range Δ K defined_pcA rational mechanical parameter can be work perfectly well as Analyze the impact of crack tip plastic zone counter stress intensity factor with carrying out quantification；Based on Paris formula, it is contemplated that temperature Impact on fatigue crack expansion speed, and define the modified computing formulae of fatigue crack growth rate, improve calculating Precision, and simple and practical.

Preferably, the computing formula of described crack propagation life period N is:

$N={\&Integral;}_{a_0}^{a_c}\frac{1}{C{({\mathrm{\&Delta;K}}_{pc}-{\mathrm{\&Delta;K}}_T)}^M}$

This preferred embodiment determines the computing formula of crack propagation life period N, improves the speed of biometry.

The maximum temperature T of this application scene above-described embodiment_maxIt is set as 36 DEG C, to Full-automatic punching machine feeder body The precision of fatigue life prediction improves 14% relatively.

Application scenarios 3

See Fig. 1, Fig. 2, the Full-automatic punching machine feeder of an embodiment of this application scene, including material conveying platform 11, The upper end of described material conveying platform 11 is respectively provided on two sides with mounting seat 12, and described mounting seat 12 is provided with image positioning apparatus 5 with many Direction pay-off 6, the middle part of described material conveying platform 11 is respectively arranged at two ends with a screw rod and fixes seat 13, and two described screw rods are fixed Seat 13 is connected by the first screw rod 14, described first screw rod 14 be respectively provided on two sides with the first guide rail 15, two the first guide rails 15 Being connected by locating platform 16, (middle part of 16 is spirally connected described locating platform with described first screw rod 14, on described locating platform 16 It is provided with initial alignment plate 17.

Preferably, described image positioning apparatus 5 includes the first bracing frame 51, and the cross bar of described first bracing frame 51 is spaced Being provided with at least one camera position-fixing base 52, described camera position-fixing base 52 is provided with camera lamp bracket 53, and described camera lamp bracket 53 sets There is camera lens (54).

The above embodiment of the present invention uses image positioning apparatus 5 and multi-direction pay-off 6, by image positioning apparatus 5 Camera lens (54) gather the telltale mark on product, under computer record after specifically labelled coordinate position, be sent into and Product to be punched, adjusts on product to be punched telltale mark under specifically labelled coordinate position and computer record by locating platform Coordinate position consistent, thus may insure that hole, two of product to be punched location is accurately suspended to two location of diel On pin, thus solve above-mentioned technical problem.

Preferably, described described multi-direction pay-off 6 includes the second bracing frame 61 and the 3rd bracing frame 62, described The both sides of two bracing frames 61 and described 3rd bracing frame 62 are connected by a steel tank 63 respectively, and the bottom surface of two described steel tanks 63 is divided Not being provided with the second guide rail 64, two described second guide rails 64 are respectively equipped with polylith slide block 65, every piece of described slide block 65 is by one Take-up housing connecting plate 66 connects, and described take-up housing connecting plate 66 lower surface is provided with cross slide way 67, and described cross slide way 67 sets Have sucker 68, described sucker 68 be respectively provided on two sides with a sucker pad 69, be provided with in the middle part of the crossbearer of described 3rd bracing frame 62 First cylinder 60, the output shaft end of described first cylinder 60 is provided with the second screw rod 601, and the middle part of described second bracing frame 61 is provided with Screw rod positioning sleeve 602, described second screw rod 601 end is connected with described screw rod positioning sleeve 602, in the middle part of described second screw rod 601 Being equipped with a nut seat 603, described nut seat 603 is connected with described take-up housing connecting plate 66.

This preferred embodiment arranges the concrete structure of multi-direction pay-off 6, it is achieved that the merit of the multi-direction feeding of the present invention Energy.

Preferably, described Full-automatic punching machine feeder also includes that life appraisal device 7, described life appraisal device 7 include Data preparation module 71 and durability analysis prediction module 72, described data preparation module 71 is used for determining Full-automatic punching machine feeder The crack position of each actual crack, size on the actual measurement loads typical spectrum of body, Full-automatic punching machine feeder body, and to various Crackle carries out geometry simplification classification；Described durability analysis prediction module 72 is for the material to described Full-automatic punching machine feeder body Material carries out fatigue test, obtains the described material fatigue crack growth rate curve corresponding to various crackles, and then to described reality The fatigue crack growth rate curve surveying loads typical spectrum, the crack position of each actual crack, size and various crackle is carried out Crack growth analysis, determines the crack propagation life period corresponding to various crackles, follows further according to described crack propagation life Number of rings determines the estimated value of the remanent fatigue life of corresponding crackle, finally determines the residual fatigue of Full-automatic punching machine feeder body The estimated value in life-span.

This preferred embodiment arranges life appraisal device, and constructs the structural framing of life appraisal device 7, can be real-time The health performance of monitoring Full-automatic punching machine feeder, increases the safety of Full-automatic punching machine feeder running.

Preferably, define corresponding to crackle i=1,2 ... the estimated value collection of the remanent fatigue life of m is { P₁,P₂,…, P_i, the estimated value P of Full-automatic punching machine feeder body remanent fatigue life_ZIt is then:

P_Z=min_{I=1,2 ... m}{P₁,P₂,…,P_i}。

This preferred embodiment determines remanent fatigue life and the Full-automatic punching machine feeding of Full-automatic punching machine feeder body Relation between the remanent fatigue life of each actual crack of machine body, uses the fatigue life of minimum actual crack as entirely The remanent fatigue life of automatic punching machine feeder body, meets Law of Barrel, and accuracy is high.

Preferably, the described material to described Full-automatic punching machine feeder body carries out fatigue test, obtains described material Corresponding to the fatigue crack growth rate curve of various crackles, including:

1) stress intensive factor range of various crackle is calculated, it is considered to the plastically deforming area of Crack Tip end points can tired to material Labor fracture has conclusive impact, crack tip plastic zone is equivalent to a homogenizing containing phase transition strain and is mingled with, definition Stress intensive factor range Δ K_pcComputing formula be:

${\mathrm{\&Delta;K}}_{pc}=\left\{\begin{array}{cc}{K}_{pc}^{\max }-K_{yc}-{\mathrm{\&Delta;K}}_{sc},& R\&le;0\\ K_{pc}^{\max }-K_{pc}^{\min },& R>0\end{array}\right.$

In formula

$\begin{array}{c}{\mathrm{\&Delta;K}}_{sc}=\frac{1}{2\sqrt{2\mathrm{\&pi;}}}{\&Integral;}_A{r}^{-3/2}\&lsqb;\frac{K_{yc}}{\sqrt{2\mathrm{\&pi;}r}}(3{\sin }^2\mathrm{\&alpha;}\cos \mathrm{\&alpha;}+2\cos \frac{\mathrm{\&alpha;}}{2}\cos \frac{3\mathrm{\&alpha;}}{2})\\ +3({\mathrm{\&sigma;}}_{11}-{\mathrm{\&sigma;}}_{22})\sin \mathrm{\&alpha;}\sin \frac{5\mathrm{\&alpha;}}{2}-6{\mathrm{\&sigma;}}_{12}\sin \mathrm{\&alpha;}\cos \frac{5\mathrm{\&alpha;}}{2}-({\mathrm{\&sigma;}}_{11}+{\mathrm{\&sigma;}}_{22})\cos \frac{3\mathrm{\&alpha;}}{2}\&rsqb;dA\end{array}$

Wherein,For in fatigue and cyclic load by the calculated stress intensity factor through plastic correcting of maximum load Value,For in fatigue and cyclic load by the calculated stress intensity factor value through plastic correcting of minimum load, K_ycFor far Stress intensity factor under field action, crackle LOAD FOR when opening completely obtains, Δ K_scRepresent crack tip plastic zone The stress intensity factor increment caused, A is the area of the plastic zone around crack tip, and it includes being produced in crack propagation process Raw plastic deformation tail district, σ₁₁、σ₁₂、σ₂₂For the stress in crack tip plastic zone, by crack tip plastic zone stress field Finite element method (fem) analysis obtain, R is the ratio of tensile load and compressive load；

2) fatigue crack growth rate curve of various crackle is built, based on Paris formula, it is considered to temperature is to fatigue Crackle expands the impact of speed, and the modified computing formulae defining described fatigue crack growth rate is:

T<0℃OR T>T_maxTime,

$\frac{da}{dN}=C{({\mathrm{\&Delta;K}}_{pc}-{\mathrm{\&Delta;K}}_T)}^M$

0℃≤T≤T_maxTime,

$\frac{da}{dN}=C{\left({\mathrm{\&Delta;K}}_{pc}\right)}^M$

In formula, T is test temperature, T_maxFor the maximum temperature set, T_maxSpan be [35 DEG C, 40 DEG C], a is for splitting Stricture of vagina extension length, N is cycle-index, C and M is material constant, Δ K_TFor cracks can spread performance curved surface at the improper temperature of matching The improper temperature fracture threshold value that post analysis obtains, embodies the temperature impact on spreading rate, and Δ K_TSpan [0, Δ K need to be met_pc)。

This preferred embodiment defines stress intensive factor range Δ K_pcComputing formula, and consider moulding of Crack Tip end points Property deformed area the fatigue fracture of material can be had a conclusive impact, and crack tip plastic zone is equivalent to one containing phase The homogenizing that allergic effect becomes is mingled with, thus the stress intensive factor range Δ K defined_pcA rational mechanical parameter can be work perfectly well as Analyze the impact of crack tip plastic zone counter stress intensity factor with carrying out quantification；Based on Paris formula, it is contemplated that temperature Impact on fatigue crack expansion speed, and define the modified computing formulae of fatigue crack growth rate, improve calculating Precision, and simple and practical.

Preferably, the computing formula of described crack propagation life period N is:

$N={\&Integral;}_{a_0}^{a_c}\frac{1}{C{({\mathrm{\&Delta;K}}_{pc}-{\mathrm{\&Delta;K}}_T)}^M}$

This preferred embodiment determines the computing formula of crack propagation life period N, improves the speed of biometry.

The maximum temperature T of this application scene above-described embodiment_maxIt is set as 38 DEG C, to Full-automatic punching machine feeder body The precision of fatigue life prediction improves 12% relatively.

Application scenarios 4

See Fig. 1, Fig. 2, the Full-automatic punching machine feeder of an embodiment of this application scene, including air outlet pedestal 1, Two semicircular sealing lids 2 being symmetrically installed, control the described position limiting structure sealing lid 2 opening angles, described sealing lid 2 Hinged with described air outlet pedestal 1 by rotary shaft 3, described sealing is provided with groove 4 and the envelope containing rolling bar 40 in the middle part of lid 2 Close the recess cover 5 of groove 4, in described groove 4, be provided with rolling bar 40, during described sealing lid 2 sealing, described groove 4 bottom angled, Bottom close to this container of described rotary shaft 3 is in extreme higher position.

Preferably, the angle of described inclination is 3 degree to 15 degree.

If the above embodiment of the present invention adds the groove 4 containing dry milling bar 40, the bottom of groove 4 is from rotary shaft 3 simultaneously The purpose that arranges from high to low of direction be that, when sealing lid 2 and being in sealing state, the ball sealed in lid 2 is rolled into low by height Away from rotary shaft 3 position in order to increase seal lid 2 sealing the margins weight so that sealing property improve, according to smoke exhaust Power of fan, select suitable weight to may insure that when smoke exhaust works to make it possible to seal lid 2 and open, thus solve The technical problem stated.

Preferably, described groove 4 at least, in cuboid, it is perpendicular to the described rotary shaft 3 sealing lid 2 and sets Put.

Optional 1,2,3 or more of this groove 4 of this preferred embodiment, can be arranged in parallel when selecting multiple so that seals lid 2 and is subject to Power is uniform, and the position arrangement of rolling bar 40 is relatively stable, and interference with each other is few, can be selected for simultaneously the less rolling bar 40 of diameter with Reduce the thickness sealing lid 2.

Preferably, described Full-automatic punching machine feeder also includes that life appraisal device 7, described life appraisal device 7 include Data preparation module 71 and durability analysis prediction module 72, described data preparation module 71 is used for determining Full-automatic punching machine feeder The crack position of each actual crack, size on the actual measurement loads typical spectrum of body, Full-automatic punching machine feeder body, and to various Crackle carries out geometry simplification classification；Described durability analysis prediction module 72 is for the material to described Full-automatic punching machine feeder body Material carries out fatigue test, obtains the described material fatigue crack growth rate curve corresponding to various crackles, and then to described reality The fatigue crack growth rate curve surveying loads typical spectrum, the crack position of each actual crack, size and various crackle is carried out Crack growth analysis, determines the crack propagation life period corresponding to various crackles, follows further according to described crack propagation life Number of rings determines the estimated value of the remanent fatigue life of corresponding crackle, finally determines the residual fatigue of Full-automatic punching machine feeder body The estimated value in life-span.

This preferred embodiment arranges life appraisal device, and constructs the structural framing of life appraisal device 7, can be real-time The health performance of monitoring Full-automatic punching machine feeder, increases the safety of Full-automatic punching machine feeder running.

Preferably, define corresponding to crackle i=1,2 ... the estimated value collection of the remanent fatigue life of m is { P₁,P₂,…, P_i, the estimated value P of Full-automatic punching machine feeder body remanent fatigue life_ZIt is then:

P_Z=min_{I=1,2 ... m}{P₁,P₂,…,P_i}。

This preferred embodiment determines remanent fatigue life and the Full-automatic punching machine feeding of Full-automatic punching machine feeder body Relation between the remanent fatigue life of each actual crack of machine body, uses the fatigue life of minimum actual crack as entirely The remanent fatigue life of automatic punching machine feeder body, meets Law of Barrel, and accuracy is high.

Preferably, the described material to described Full-automatic punching machine feeder body carries out fatigue test, obtains described material Corresponding to the fatigue crack growth rate curve of various crackles, including:

1 stress intensive factor range calculating various crackles, it is considered to the plastically deforming area of Crack Tip end points can tired to material Labor fracture has conclusive impact, crack tip plastic zone is equivalent to a homogenizing containing phase transition strain and is mingled with, definition Stress intensive factor range Δ K_pcComputing formula be:

${\mathrm{\&Delta;K}}_{pc}=\left\{\begin{array}{cc}{K}_{pc}^{\max }-K_{yc}-{\mathrm{\&Delta;K}}_{sc},& R\&le;0\\ K_{pc}^{\max }-K_{pc}^{\min },& R>0\end{array}\right.$

In formula

$\begin{array}{c}{\mathrm{\&Delta;K}}_{sc}=\frac{1}{2\sqrt{2\mathrm{\&pi;}}}{\&Integral;}_A{r}^{-3/2}\&lsqb;\frac{K_{yc}}{\sqrt{2\mathrm{\&pi;}r}}(3{\sin }^2\mathrm{\&alpha;}\cos \mathrm{\&alpha;}+2\cos \frac{\mathrm{\&alpha;}}{2}\cos \frac{3\mathrm{\&alpha;}}{2})\\ +3({\mathrm{\&sigma;}}_{11}-{\mathrm{\&sigma;}}_{22})\sin \mathrm{\&alpha;}\sin \frac{5\mathrm{\&alpha;}}{2}-6{\mathrm{\&sigma;}}_{12}\sin \mathrm{\&alpha;}\cos \frac{5\mathrm{\&alpha;}}{2}-({\mathrm{\&sigma;}}_{11}+{\mathrm{\&sigma;}}_{22})\cos \frac{3\mathrm{\&alpha;}}{2}\&rsqb;dA\end{array}$

Wherein,For in fatigue and cyclic load by the calculated stress intensity factor through plastic correcting of maximum load Value,For in fatigue and cyclic load by the calculated stress intensity factor value through plastic correcting of minimum load, K_ycFor far Stress intensity factor under field action, crackle LOAD FOR when opening completely obtains, Δ K_scRepresent crack tip plastic zone The stress intensity factor increment caused, A is the area of the plastic zone around crack tip, and it includes being produced in crack propagation process Raw plastic deformation tail district, σ₁₁、σ₁₂、σ₂₂For the stress in crack tip plastic zone, by crack tip plastic zone stress field Finite element method (fem) analysis obtain, R is the ratio of tensile load and compressive load；

2 fatigue crack growth rate curves building various crackles, based on Paris formula, it is considered to temperature is to fatigue Crackle expands the impact of speed, and the modified computing formulae defining described fatigue crack growth rate is:

T<0℃OR T>T_maxTime,

$\frac{da}{dN}=C{({\mathrm{\&Delta;K}}_{pc}-{\mathrm{\&Delta;K}}_T)}^M$

0℃≤T≤T_maxTime,

$\frac{da}{dN}=C{\left({\mathrm{\&Delta;K}}_{pc}\right)}^M$

In formula, T is test temperature, T_maxFor the maximum temperature set, T_maxSpan be [35 DEG C, 40 DEG C], a is for splitting Stricture of vagina extension length, E is cycle-index, C and M is material constant, Δ K_TFor cracks can spread performance curved surface at the improper temperature of matching The improper temperature fracture threshold value that post analysis obtains, embodies the temperature impact on spreading rate, and Δ K_TSpan [0, Δ K need to be met_pc)。

This preferred embodiment defines stress intensive factor range Δ K_pcComputing formula, and consider moulding of Crack Tip end points Property deformed area the fatigue fracture of material can be had a conclusive impact, and crack tip plastic zone is equivalent to one containing phase The homogenizing that allergic effect becomes is mingled with, thus the stress intensive factor range Δ K defined_pcA rational mechanical parameter can be work perfectly well as Analyze the impact of crack tip plastic zone counter stress intensity factor with carrying out quantification；Based on Paris formula, it is contemplated that temperature Impact on fatigue crack expansion speed, and define the modified computing formulae of fatigue crack growth rate, improve calculating Precision, and simple and practical.

Preferably, the computing formula of described crack propagation life period N is:

$N={\&Integral;}_{a_0}^{a_c}\frac{1}{C{({\mathrm{\&Delta;K}}_{pc}-{\mathrm{\&Delta;K}}_T)}^M}$

This preferred embodiment determines the computing formula of crack propagation life period N, improves the speed of biometry.

The maximum temperature T of this application scene above-described embodiment_maxIt is set as 39 DEG C, to Full-automatic punching machine feeder body The precision of fatigue life prediction improves 11% relatively.

Application scenarios 5

See Fig. 1, Fig. 2, the Full-automatic punching machine feeder of an embodiment of this application scene, including air outlet pedestal 1, Two semicircular sealing lids 2 being symmetrically installed, control the described position limiting structure sealing lid 2 opening angles, described sealing lid 2 Hinged with described air outlet pedestal 1 by rotary shaft 3, described sealing is provided with groove 4 and the envelope containing rolling bar 40 in the middle part of lid 2 Close the recess cover 5 of groove 4, in described groove 4, be provided with rolling bar 40, during described sealing lid 2 sealing, described groove 4 bottom angled, Bottom close to this container of described rotary shaft 3 is in extreme higher position.

Preferably, the angle of described inclination is 3 degree to 15 degree.

If the above embodiment of the present invention adds the groove 4 containing dry milling bar 40, the bottom of groove 4 is from rotary shaft 3 simultaneously The purpose that arranges from high to low of direction be that, when sealing lid 2 and being in sealing state, the ball sealed in lid 2 is rolled into low by height Away from rotary shaft 3 position in order to increase seal lid 2 sealing the margins weight so that sealing property improve, according to smoke exhaust Power of fan, select suitable weight to may insure that when smoke exhaust works to make it possible to seal lid 2 and open, thus solve The technical problem stated.

Preferably, described groove 4 at least, in cuboid, it is perpendicular to the described rotary shaft 3 sealing lid 2 and sets Put.

Optional 1,2,3 or more of this groove 4 of this preferred embodiment, can be arranged in parallel when selecting multiple so that seals lid 2 and is subject to Power is uniform, and the position arrangement of rolling bar 40 is relatively stable, and interference with each other is few, can be selected for simultaneously the less rolling bar 40 of diameter with Reduce the thickness sealing lid 2.

Preferably, described Full-automatic punching machine feeder also includes that life appraisal device 7, described life appraisal device 7 include Data preparation module 71 and durability analysis prediction module 72, described data preparation module 71 is used for determining Full-automatic punching machine feeder The crack position of each actual crack, size on the actual measurement loads typical spectrum of body, Full-automatic punching machine feeder body, and to various Crackle carries out geometry simplification classification；Described durability analysis prediction module 72 is for the material to described Full-automatic punching machine feeder body Material carries out fatigue test, obtains the described material fatigue crack growth rate curve corresponding to various crackles, and then to described reality The fatigue crack growth rate curve surveying loads typical spectrum, the crack position of each actual crack, size and various crackle is carried out Crack growth analysis, determines the crack propagation life period corresponding to various crackles, follows further according to described crack propagation life Number of rings determines the estimated value of the remanent fatigue life of corresponding crackle, finally determines the residual fatigue of Full-automatic punching machine feeder body The estimated value in life-span.

This preferred embodiment arranges life appraisal device, and constructs the structural framing of life appraisal device 7, can be real-time The health performance of monitoring Full-automatic punching machine feeder, increases the safety of Full-automatic punching machine feeder running.

Preferably, define corresponding to crackle i=1,2 ... the estimated value collection of the remanent fatigue life of m is { P₁,P₂,…, P_i, the estimated value P of Full-automatic punching machine feeder body remanent fatigue life_ZIt is then:

P_Z=min_{I=1,2 ... m}{P₁,P₂,…,P_i}。

This preferred embodiment determines remanent fatigue life and the Full-automatic punching machine feeding of Full-automatic punching machine feeder body Relation between the remanent fatigue life of each actual crack of machine body, uses the fatigue life of minimum actual crack as entirely The remanent fatigue life of automatic punching machine feeder body, meets Law of Barrel, and accuracy is high.

Preferably, the described material to described Full-automatic punching machine feeder body carries out fatigue test, obtains described material Corresponding to the fatigue crack growth rate curve of various crackles, including:

1 stress intensive factor range calculating various crackles, it is considered to the plastically deforming area of Crack Tip end points can tired to material Labor fracture has conclusive impact, crack tip plastic zone is equivalent to a homogenizing containing phase transition strain and is mingled with, definition Stress intensive factor range Δ K_pcComputing formula be:

${\mathrm{\&Delta;K}}_{pc}=\left\{\begin{array}{cc}{K}_{pc}^{\max }-K_{yc}-{\mathrm{\&Delta;K}}_{sc},& R\&le;0\\ K_{pc}^{\max }-K_{pc}^{\min },& R>0\end{array}\right.$

In formula

$\begin{array}{c}{\mathrm{\&Delta;K}}_{sc}=\frac{1}{2\sqrt{2\mathrm{\&pi;}}}{\&Integral;}_A{r}^{-3/2}\&lsqb;\frac{K_{yc}}{\sqrt{2\mathrm{\&pi;}r}}(3{\sin }^2\mathrm{\&alpha;}\cos \mathrm{\&alpha;}+2\cos \frac{\mathrm{\&alpha;}}{2}\cos \frac{3\mathrm{\&alpha;}}{2})\\ +3({\mathrm{\&sigma;}}_{11}-{\mathrm{\&sigma;}}_{22})\sin \mathrm{\&alpha;}\sin \frac{5\mathrm{\&alpha;}}{2}-6{\mathrm{\&sigma;}}_{12}\sin \mathrm{\&alpha;}\cos \frac{5\mathrm{\&alpha;}}{2}-({\mathrm{\&sigma;}}_{11}+{\mathrm{\&sigma;}}_{22})\cos \frac{3\mathrm{\&alpha;}}{2}\&rsqb;dA\end{array}$

Wherein,For in fatigue and cyclic load by the calculated stress intensity factor through plastic correcting of maximum load Value,For in fatigue and cyclic load by the calculated stress intensity factor value through plastic correcting of minimum load, K_ycFor far Stress intensity factor under field action, crackle LOAD FOR when opening completely obtains, Δ K_scRepresent crack tip plastic zone The stress intensity factor increment caused, A is the area of the plastic zone around crack tip, and it includes being produced in crack propagation process Raw plastic deformation tail district, σ₁₁、σ₁₂、σ₂₂For the stress in crack tip plastic zone, by crack tip plastic zone stress field Finite element method (fem) analysis obtain, R is the ratio of tensile load and compressive load；

2 fatigue crack growth rate curves building various crackles, based on Paris formula, it is considered to temperature is to fatigue Crackle expands the impact of speed, and the modified computing formulae defining described fatigue crack growth rate is:

T<0℃OR T>T_maxTime,

$\frac{da}{dN}=C{({\mathrm{\&Delta;K}}_{pc}-{\mathrm{\&Delta;K}}_T)}^M$

0℃≤T≤T_maxTime,

$\frac{da}{dN}=C{\left({\mathrm{\&Delta;K}}_{pc}\right)}^M$

In formula, T is test temperature, T_maxFor the maximum temperature set, T_maxSpan be [35 DEG C, 40 DEG C], a is for splitting Stricture of vagina extension length, N is cycle-index, C and M is material constant, Δ K_TFor cracks can spread performance curved surface at the improper temperature of matching The improper temperature fracture threshold value that post analysis obtains, embodies the temperature impact on spreading rate, and Δ K_TSpan [0, Δ K need to be met_pc)。

This preferred embodiment defines stress intensive factor range Δ K_pcComputing formula, and consider moulding of Crack Tip end points Property deformed area the fatigue fracture of material can be had a conclusive impact, and crack tip plastic zone is equivalent to one containing phase The homogenizing that allergic effect becomes is mingled with, thus the stress intensive factor range Δ K defined_pcA rational mechanical parameter can be work perfectly well as Analyze the impact of crack tip plastic zone counter stress intensity factor with carrying out quantification；Based on Paris formula, it is contemplated that temperature Impact on fatigue crack expansion speed, and define the modified computing formulae of fatigue crack growth rate, improve calculating Precision, and simple and practical.

Preferably, the computing formula of described crack propagation life period N is:

$N={\&Integral;}_{a_0}^{a_c}\frac{1}{C{({\mathrm{\&Delta;K}}_{pc}-{\mathrm{\&Delta;K}}_T)}^M}$

This preferred embodiment determines the computing formula of crack propagation life period N, improves the speed of biometry.

The maximum temperature T of this application scene above-described embodiment_maxIt is set as 40 DEG C, to Full-automatic punching machine feeder body The precision of fatigue life prediction improves 10% relatively.

Last it should be noted that, use above scene is only in order to illustrate technical scheme, rather than to the present invention The restriction of protection domain, although having made to explain to the present invention with reference to preferred application scene, the ordinary skill people of this area Member should be appreciated that and can modify technical scheme or equivalent, without deviating from technical solution of the present invention Spirit and scope.

Claims (3)

1. a Full-automatic punching machine feeder, is characterized in that, including material conveying platform, the both sides, upper end of described material conveying platform set respectively Mounting seat, described mounting seat is had to be provided with image positioning apparatus and multi-direction pay-off, the two ends, middle part of described material conveying platform Being respectively equipped with a screw rod and fix seat, two described screw rods are fixed seat and are connected by the first screw rod, and the both sides of described first screw rod are divided Not being provided with the first guide rail, two the first guide rails are connected by locating platform, the middle part of described locating platform and described first screw rod Being spirally connected, described locating platform is provided with initial alignment plate.

A kind of Full-automatic punching machine feeder the most according to claim 1, is characterized in that, described image positioning apparatus includes the One bracing frame, the cross bar of described first bracing frame is interval with at least one camera position-fixing base, described camera position-fixing base sets Camera lamp bracket, described camera lamp bracket is had to be provided with camera lens.

A kind of Full-automatic punching machine feeder the most according to claim 2, is characterized in that, described described multi-direction feeding dress Putting and include the second bracing frame and the 3rd bracing frame, the both sides of described second bracing frame and described 3rd bracing frame are respectively by a steel Groove connects, and the bottom surface of two described steel tanks is respectively equipped with the second guide rail, two described second guide rails are respectively equipped with polylith slide block, Every piece of described slide block is connected by a take-up housing connecting plate, and described take-up housing connecting plate lower surface is provided with cross slide way, described horizontal stroke Direction guiding rail is provided with sucker, described sucker be respectively provided on two sides with a sucker pad, set in the middle part of the crossbearer of described 3rd bracing frame Having the first cylinder, the output shaft end of described first cylinder to be provided with the second screw rod, it is fixed that the middle part of described second bracing frame is provided with screw rod Position set, described second screw rod end is connected with described screw rod positioning sleeve, is equipped with a nut seat in the middle part of described second screw rod, described Nut seat is connected with described take-up housing connecting plate.