RO126099A2 - Mechanism for high pretensioning of blanks with the view of fine stamping by multifunction presses - Google Patents
Mechanism for high pretensioning of blanks with the view of fine stamping by multifunction presses Download PDFInfo
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- RO126099A2 RO126099A2 ROA200900634A RO200900634A RO126099A2 RO 126099 A2 RO126099 A2 RO 126099A2 RO A200900634 A ROA200900634 A RO A200900634A RO 200900634 A RO200900634 A RO 200900634A RO 126099 A2 RO126099 A2 RO 126099A2
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- 230000007246 mechanism Effects 0.000 title claims abstract description 23
- 238000003825 pressing Methods 0.000 claims abstract description 23
- 239000000463 material Substances 0.000 claims abstract description 7
- 238000007639 printing Methods 0.000 claims description 11
- 239000011265 semifinished product Substances 0.000 claims description 10
- 239000000872 buffer Substances 0.000 claims description 7
- 230000000694 effects Effects 0.000 claims description 3
- 210000003746 feather Anatomy 0.000 claims description 3
- 210000003127 knee Anatomy 0.000 claims description 2
- 238000000034 method Methods 0.000 claims description 2
- 230000008569 process Effects 0.000 claims description 2
- 230000003247 decreasing effect Effects 0.000 claims 1
- 239000003795 chemical substances by application Substances 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 210000003128 head Anatomy 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 208000002193 Pain Diseases 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000000284 resting effect Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
Description
MECANISM PENTRU PRETENSIONAREA ÎNALTA A SEMIFABRICATELOR IN VEDEREA STANTARII FINE PE PRESE UNIVERSALE.MECHANISM FOR THE HIGH PRESSENSION OF SEMFABRICATES FOR THE FINAL PRINTING ON UNIVERSAL PRESSES.
Invenția se refera la un mecanism pentru pretensionarea înalta a semifabricatelor in vederea prelucrării prin operația de stantare fina pe presele universale.The invention relates to a mechanism for high pretensioning of the semi-finished products for processing by means of the fine stamping operation on the universal presses.
In prezent operațiile de stantare fina se executa pe prese specializate, cum sunt presele cu triplu efect, care, pentru realizarea stantarii fine, organele de lucru ale presei dezvolta trei forte specifice:Currently, the fine stamping operations are carried out on specialized presses, such as triple-effect presses, which, in order to achieve the fine stamping, the working bodies of the press develop three specific forces:
-forța principala de forfecare- the main shear force
-forța de apasare a plăcii de presare-the pressing force of the pressing plate
-forța de apasare a extractorului pentru fixarea materialului din interiorul conturului de taiere.- the pull force of the extractor for fixing the material inside the cutting contour.
După cum se observa, fata de presele universale cu dublu efect, aceste prese dezvolta o a treia forța, cea de apasare aplicata plăcii de presare a utilajului, pe care se fixeaza placa de presare a semifabricatului, componenta a matriței, avand si rol de placa de ghidare a poansonului, care la sculele de stantare fina (care nu fac obiectul invenției) este prevăzută cu o proeminenta inelara care Înconjoară linia de taiere si care se imprima in materialul de stantat, ca urmare a forței de apasare a plăcii de presare.As can be seen, compared to the universal presses with double effect, these presses develop a third force, that of pressing applied to the press plate of the machine, on which is fixed the press plate of the blank, the component of the mold, also having the role of plate. guide of the punch, which at the fine stamping tools (which are not subject to the invention) is provided with an annular protrusion that surrounds the cutting line and is printed in the stamping material, due to the pressing force of the pressing plate.
Procedeul tehnologic de stantare fina, aplicat in special pieselor cu configurație complexa, realizează o calitate deosebita a suprafeței forfecate a cărei rugozitate Ra=(0,3...l,6)pm,devine comparabila cu rectificarea. Se înlătură astfel, intr-o serie de domenii (mecanica fina, aeronautica, automobile etc.) unele prelucrări dificile si costisitoare, precizia dimensionala fiind si ea deosebit de ridicata (±0,02. ,.0,03)mm.The technological process of fine stamping, applied especially to the parts with complex configuration, achieves a special quality of the shear surface whose roughness Ra = (0,3 ... l, 6) pm, becomes comparable with the rectification. Thus, in a number of areas (fine mechanics, aeronautics, automobiles, etc.) some difficult and expensive machining are removed, the dimensional accuracy being also very high (± 0.02., .0.03) mm.
Dezavantajul acestei operații (stantarea fina) este dat de costul ridicat al utilajului special pe care se executa in exclusivitate, utilaj care este foarte scump si necesita o întreținere costisitoare.The disadvantage of this operation (fine stamping) is given by the high cost of the special equipment that is executed exclusively, equipment that is very expensive and requires expensive maintenance.
Pentru rezolvarea acestui neajuns se propune un mecanism pentru pretensionarea înalta a semifabricatelor in vederea stantarii fine direct pe prese universale,la același nivel de calitate si productivitate cu cel obtinut pe utilajele specializate.In order to solve this shortcoming, a mechanism is proposed for the high pretensioning of the semi-finished products in order to print fine directly on universal presses, at the same level of quality and productivity as that obtained on specialized machines.
Problema tehnica pe care o rezolva invenția de fata este posibilitatea de a realiza operații de stantare fina pe prese universale cu dublu efect aflate in număr mare in dotarea agentilor economici.The technical problem solved by the present invention is the possibility of performing fine stamping operations on universal presses with double effect which are in large number in equipping the economic agents.
Condiția pentru obținerea unei suprafețe forfecate cu o rugozitate comparabila cu rectificarea si cu o precizie dimensionala foarte ridicata, specifice stantarii fine, este pretensionarea tablei cu ajutorul mecanismului pentru pretensionarea înalta a semifabricatelor in vederea stantarii fine pe prese universale, care face obiectul invenției.The condition for obtaining a sheared surface with a roughness comparable to the grinding and with a very high dimensional accuracy, specific to the fine stamping, is the pretensioning of the sheet with the help of the mechanism for the high pretensioning of the blanks for the fine stamping on universal presses, which is the object of the invention.
Mecanismul pentru pretensionarea înalta a semifabricatelor in vederea stantarii fine pe prese universale, conform invenției, este compus din doua subansamble principale; unul care se montează pe masa presei compus i^FÎciîÎLC^TÂTpEMRU INVENȚII Șl MĂRCljThe mechanism for the high pretensioning of the semi-finished products for the fine printing on universal presses, according to the invention, is composed of two main subassemblies; one that is mounted on the table of the composite press i ^ FÎciîÎLC ^ TÂTpEMRU INVENTIONS Ml MARĂ ClClj
Cerere de tre-vei de invenție ț Nr.Application by the invention will tert-Nr.
j P,ata depozit ...11..-^1-.2)08...,1P j, ... deposit ATA-11 ..- ^ 1 .2) 08 ... 1
0 9 - 0 0 6 3 4-600Ζ 30“ l l dintr-o placa inferioara si un cadru superior in care sunt încastrate la ambele capete patru coloane de ghidare pe care se deplasează vertical, cu mișcări alternative, o placa de presare, legata de cadrul superior (fix)prin intermediul unor brațe superioare si inferioare articulate, si susținute in partea de jos de niște arcuri elicoidale care se sprijină pe placa inferioara. Cel de al doilea subansamblu este unul mobil fixat pe berbecul presei care, prin deplasarea sa in sus si in jos împreuna cu berbecul presei, antrenează placa de presiune in mișcare plan- paralela ascendenta sau descendenta.Scula de stantare fina care nu face obiectul invenției se fixeaza in interiorul acestui mecanism după cum urmeaza:0 9 - 0 0 6 3 4-600Ζ 30 ”ll from a lower plate and an upper frame in which at the two ends four guide columns are vertically displaced, with alternative movements, a pressing plate, connected by the upper (fixed) frame by means of articulated upper and lower arms, and supported at the bottom by helical springs resting on the lower plate. The second subassembly is a movable one fixed to the ram of the press which, by moving it up and down together with the ram of the press, engages the pressure plate in plane movement - parallel ascending or descending. The fine stamping tool which is not the object of the invention is fasten inside this mechanism as follows:
-placa de baza a matriței pe placa inferioara-the base plate of the mold on the lower plate
-placa de cap a matriței pe ansamblul mobil (fixat pe berbecul presei) -placa de presare a semifabricatului (de ghidare a poansonului), pe placa de presare a mecanismului.- the head plate of the mold on the movable assembly (fixed to the ram of the press) - the press plate of the semi-finished product (guiding the punch), on the press plate of the mechanism.
Datorita constuctiei sale robuste si ușurinței in exploatare, mecanismul pentru pretensionarea înalta a semifabricatelor in vederea stantarii fine pe prese universale, poate fi folosit cu succes si cu investiții minime de orice agent economic interesat.Due to its robust construction and ease of operation, the mechanism for high pretensioning of semi-finished products for fine printing on universal presses, can be used successfully and with minimal investments by any interested economic agent.
Prin aplicarea mecanismului pentru pretensionarea înalta a semifabricatelor in vederea stantarii fine pe prese universale se obțin următoarele avantaje:By applying the mechanism for high pretensioning of the semi-finished products for fine printing on universal presses, the following advantages are obtained:
-creșterea productivității muncii- increasing labor productivity
-creșterea calitatii produselor- increasing the quality of the products
-reducerea costurilor de producție -economie de materiale si energie.-reduction of production costs - economy of materials and energy.
In continuare se da un exemplu de realizare a invenției in legătură cu figurileThe following is an example of embodiment of the invention in relation to the figures
1...4 care reprezintă:1 ... 4 which represents:
Fig.l - Secțiune longitudinala in mecanismul pentru pretensionarea înalta a semifabricatelor in vederea stantarii fine pe prese universaleFig.l - Longitudinal section in the mechanism for high pretensioning of semi-finished products for fine printing on universal presses
Fig.2 - Secțiune transversala in mecanismul pentru pretensionarea înalta a semifabricatelor in vederea stantarii fine pe prese universale, după planul de secțiune “AA”Fig. 2 - Cross section in the mechanism for high pretensioning of the semi-finished products for fine printing on universal presses, according to the section plan "AA"
Fig.3 - Vedere in plan a mecanismului pentru reglaj finFig.3 - Plan view of the fine adjustment mechanism
Fig 4 — Secțiune in mecanismul pentru reglaj fin, după planul de secțiune ”AA . Mecanismul pentru pretensionarea înalta a semifabricatelor in vederea stantarii fine pe prese universale, conform invenției (fig.l;2;3;4) este compus din doua subansamble principale:Fig. 4 - Section in fine tuning mechanism, according to section plan ”AA. The mechanism for the high pretensioning of the semi-finished products for the fine printing on universal presses, according to the invention (fig.; 2; 3; 4) is composed of two main subassemblies:
- subansamblul A care se montează pe masa presei- subassembly A which is mounted on the press table
- subansamblul B care se montează pe berbecul presei- subassembly B which is mounted on the ram ram
Subansamblul A este compus dintr-o placa inferioara 1 care se fixeaza pe masa presei si pe care se va fixa placa de baza a matriței de stantare fina,un cadru superior 2 si patru coloane de ghidare 3, încastrate la un capat in placaThe subassembly A is composed of a lower plate 1 which is fixed on the press table and on which the base plate of the fine stamping die will be fixed, an upper frame 2 and four guide columns 3, recessed at one end in the plate
0^-1 Ο Ο 9 - Ο ο 6 3 i ’ 1 1 -02- 2009 inferioara 1 iar Ia celalalt capat încastrat in cadrul superior 2. Pe coloanele de ghidare 3 se deplasează vertical cu mișcări alternative sus - jos placa de presare 4 avand forma unei rame pentru a permite fixarea pârtii superioare (mobile) a matriței pentru stantare fina. Pe aceasta placa de presare 4 sunt sudate patru bosaje 5 in care sunt montate bucsile de ghidare 6 care permit mișcarea verticala plan- paralela a plăcii de presare 4 pe coloanele de ghidare 3 si alte'patru bosaje 7 in alezajele carora sunt montate fara joc radial si axial patru piulițe cu coroana melcata 8 care prin rotatia lor, urca sau coboara șuruburile cu ochi 9 înșurubate in acestea. Șuruburile cu ochi 9 sunt articulate cu doua brațe inferioare, un braț inferior stanga 10 si un braț inferior dreapta 11, prin intermediul hoiturilor 12. La rândul lor, brațul inferior stanga 10 respectiv brațul inferior dreapta 11, formează un genunchi prin articularea cu cate un sistem de trei brațe superioare dreapta 14, respectiv trei brațe superioare stangal5, prin intermediul axului 13, respectiv axul 16. In spatiile libere dintre brațele superioare dreapta 14 si brațele superioare stanga 15, sunt montate cate doua role 18, care se rotesc pe axul 13, respectiv pe axul 16, fara joc, datorita bucsilor de ghidare 19.Capelele libere ale brațelor superioare stanga 15 si ale brațelor superioare dreapta 14 sunt articulate, cu ajutorul axelor 17, in lagărele dreapta 20 respectiv lagărele stanga 21, care sunt fixate rigid cu șuruburile 22 pe cadrul superior 2 in care sunt încastrate coloanele de ghidare 3.0 ^ -1 Ο Ο 9 - Ο ο 6 3 i '1 1 -02- 2009 lower 1 and Take the other end recessed in the upper frame 2. On the guide columns 3 move vertically with alternative movements up - down the pressing plate 4 having the shape of a frame to allow the upper part (movable) of the mold to be fixed for fine stamping. On this pressing plate 4 four welds 5 are welded, in which the guide bushes 6 are mounted, which allow the vertical plane-parallel movement of the pressing plate 4 on the guide columns 3 and other four frames 7 in the bores to which they are mounted without radial clearance. and axially four nuts with the screw crown 8 which, by their rotation, raise or lower the screws with eyes 9 screwed into them. The eye screws 9 are hinged with two lower arms, one lower left arm 10 and one lower right arm 11, through the holes 12. In turn, the lower left arm 10, respectively the lower right arm 11, forms a knee by articulating with each system of three upper right arms 14, respectively three upper left arms5, through the axis 13, respectively the axis 16. In the free spaces between the upper right arms 14 and the upper left arms 15, two rollers 18 are mounted, which rotate on the axis 13 , respectively on the shaft 16, without play, due to the guide bushes 19. The free hats of the upper left arms 15 and of the upper right arms 14 are hinged, by means of the axes 17, in the right bearings 20 respectively the left bearings 21, which are rigidly fixed with the screws 22 on the upper frame 2 in which the guide columns 3 are recessed.
Reglajul paralelismului intre placa inferioara 1 si suprafața activa a plăcii de presare 4 se face prin rotirea individuala a piulițelor cu coroana melcata 8. După obținerea paralelismului dorit, coroanele melcate ale piulițelor cu coroana melcata 8 sunt angrenate cu șuruburile melcate 23 corespunzătoare ale mecanismului pentru reglaj fin, care se fixeaza cu șuruburi pc placa de apasare 4. Reglajul fin al deplasării pe verticala a plăcii de presare 4 este necesar pentru reglarea forței de apasare a acesteia asupra materialului semifabricat, forța care este primordiala in obținerea unui produs de calitate prin stantare fina. Prin rotirea cu ajutorul manivelei 24 a axului șurubului melcat 25, se rotește in același timp si cu același unghi si șurubul melcat 26 datorita cuplajului cu pene 27. Rotile melcate 28 si 29 aflate in angrenare cu șuruburile melcate 25 respectiv 26 se rotesc antrenând in aceasta mișcare cele patru șuruburi melcate 23 care se rotesc in același timp si cu același unghi datorita cuplajelor cu pene 30 respectiv 31 si care la rândul lor rotesc piulițele cu coroana melcata 8 cu care sunt in angrenare.The adjustment of the parallelism between the lower plate 1 and the active surface of the pressing plate 4 is done by individually rotating the nuts with the screw nut 8. After obtaining the desired parallelism, the screwed crowns of the nuts with the screw nut 8 are engaged with the screws corresponding to the corresponding screw mechanism 23. fine, which is fixed with screws pc pressing plate 4. The fine adjustment of the vertical displacement of the pressing plate 4 is necessary for adjusting its pressing force on the semi-manufactured material, the force which is paramount in obtaining a quality product through fine printing . By turning the crankshaft screw 25 with the crank 24, it rotates at the same time and at the same angle and the screws 26 due to the coupling with feathers 27. The screws 28 and 29 in gear with the screws 25 and 26 respectively are rotating in it. move the four screws screw 23 which rotate at the same time and with the same angle due to the couplings with feathers 30 and 31 and which in turn rotate the nuts with the screw nut 8 with which they are in gear.
Subansamblul B care se centrează cu cepul 32 si se fixeaza pe berbec cu ajutorul șuruburilor 33 are doua funcții:The subassembly B which is centered with the plug 32 and is fixed to the ram by means of the screws 33 has two functions:
-de a permite fixarea pârtii mobile a matriței de stantare fina-to allow fixing of the movable part of the fine stamping mold
-de a asigura funcționarea corecta fara înțepeniri sau șocuri a celor doua sisteme articulate formate din braț inferior stanga 10, braț superior stanga 15, respectiv braț inferior dreapta 11, braț superior dreapta 14, care creaza pretensionarea înalta a materialului semifabricat-to ensure the correct functioning without stinging or shocks of the two articulated systems formed of lower left arm 10, upper left arm 15, respectively lower right arm 11, upper right arm 14, which creates high pretension of the semi-manufactured material
0L- 2 Ο Ο 9 - ο Ο 6 J 4 1 1 -02- 2009 si este compus dintr-un ansamblu de placi sudate. Pe placa 38, care se centrează cu cepul 32 si se fixeaza cu șuruburile 33 de berbecul presei, sunt montate doua tampoane ,un tampon stanga 34 si un tampon dreapta 35 .prevăzute la partea inferioara, in dreptul rolelor 18 cu cate o panta dubla PI si P2 pentru a imprima mișcarea de coborâre a plăcii de presiune 4 a mecanismului pentru pretensionarea înalta a semifabricatului in vederea stanlarii fine pe prese universale, prin împingerea rolelor 18 spre exterior, pana când unghiul dintre cele doua brațe articulate,braț inferior stanga 10, braț superior stanga 15, respectiv braț inferior dreapta 11, braț superior dreapta 14, este de 180° si rolele 18 se rostogolesc tangent la tamponul stanga 34, resectiv la tamponul dreapta 35, fara a mai deplasa placa de presare 4.0L- 2 Ο Ο 9 - ο Ο 6 J 4 1 1 -02- 2009 and is composed of a set of welded plates. On the plate 38, which is centered with the pin 32 and is fixed with the screws 33 by the press ram, two buffers are mounted, a left buffer 34 and a right buffer 35. Provided at the bottom, next to the rollers 18 with a double PI slope and P2 to print the lowering motion of the pressure plate 4 of the mechanism for high pretensioning of the blank in order to fine tune on universal presses, by pushing the rollers 18 outwards, until the angle between the two hinged arms, lower left arm 10, arm upper left 15, respectively lower right arm 11, upper right arm 14, is 180 ° and the rollers 18 roll tangentially to the left buffer 34, respectively to the right buffer 35, without moving the pressing plate 4.
In dreptul brațelor superioare stanga 15 respectiv brațelor superioare dreapta 14, tamponul stanga 34 si tamponul dreapta 35 au niște impingatoare 36 care in momentul retragerii berbecului presei de la Punctul Mort Inferior(PMI) la Punctul Mort Superior (PMS) agata proeminentele (SI) ale brațelor superioare stangal5 si ale brațelor superioare dreapta 14, antrenandu-le intro mișcare de rotatie spre interiorul sistemului, ajutate si de arcurile elicoidale 37 montate intre placa inferioara 1 si placa de apasare 4, brațele revenind astfel la poziția inițiala, anterioara coborârii berbecului (PMS).Next to the upper left arms 15 respectively the upper right arms 14, the left tampon 34 and the right tampon 35 have some pushers 36 which at the moment of withdrawal of the press ram from the Lower Dead Point (PMI) to the Upper Dead Point (PMS) agate the projections (SI) of upper left arms5 and upper right arms 14, training them in a rotational movement towards the interior of the system, aided by the helical springs 37 mounted between the lower plate 1 and the pressing plate 4, the arms thus returning to the initial position, prior to the descent of the ram (PMS). ).
Cea de a doua placa 39, asamblata prin sudare de placa 38, cu grinzile 40, permite centrarea si fixarea plăcii de cap a matriței de stantare fina.The second plate 39, assembled by welding the plate 38, with the beams 40, allows the centering and fixing of the head plate of the fine stamping mold.
Claims (2)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ROA200900634A RO126099A2 (en) | 2009-08-11 | 2009-08-11 | Mechanism for high pretensioning of blanks with the view of fine stamping by multifunction presses |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ROA200900634A RO126099A2 (en) | 2009-08-11 | 2009-08-11 | Mechanism for high pretensioning of blanks with the view of fine stamping by multifunction presses |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| RO126099A2 true RO126099A2 (en) | 2011-03-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ROA200900634A RO126099A2 (en) | 2009-08-11 | 2009-08-11 | Mechanism for high pretensioning of blanks with the view of fine stamping by multifunction presses |
Country Status (1)
| Country | Link |
|---|---|
| RO (1) | RO126099A2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106345931A (en) * | 2016-10-26 | 2017-01-25 | 宁波荣智自动化科技有限公司 | Multi-servo fin height adjusting mechanism of fin forming machine |
| CN106391912A (en) * | 2016-10-21 | 2017-02-15 | 宁波荣智自动化科技有限公司 | Fin height adjustment assisting structure of fin forming machine |
-
2009
- 2009-08-11 RO ROA200900634A patent/RO126099A2/en unknown
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106391912A (en) * | 2016-10-21 | 2017-02-15 | 宁波荣智自动化科技有限公司 | Fin height adjustment assisting structure of fin forming machine |
| CN106345931A (en) * | 2016-10-26 | 2017-01-25 | 宁波荣智自动化科技有限公司 | Multi-servo fin height adjusting mechanism of fin forming machine |
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