CN102312254A - Translational mechanism with large orbit radius, and adjustable high speed for electroformed cathode - Google Patents

Translational mechanism with large orbit radius, and adjustable high speed for electroformed cathode Download PDF

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Publication number
CN102312254A
CN102312254A CN201110211518A CN201110211518A CN102312254A CN 102312254 A CN102312254 A CN 102312254A CN 201110211518 A CN201110211518 A CN 201110211518A CN 201110211518 A CN201110211518 A CN 201110211518A CN 102312254 A CN102312254 A CN 102312254A
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China
Prior art keywords
gear
excentric shaft
translational
shaft
eccentric adjustment
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Pending
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CN201110211518A
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Chinese (zh)
Inventor
朱增伟
朱荻
刘明明
王东
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Nanjing University of Aeronautics and Astronautics
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Nanjing University of Aeronautics and Astronautics
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Priority to CN201110211518A priority Critical patent/CN102312254A/en
Publication of CN102312254A publication Critical patent/CN102312254A/en
Pending legal-status Critical Current

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Abstract

The invention which relates to a translational mechanism with a large orbit radius, and an adjustable high speed for an electroformed cathode belongs to the electroforming manufacturing field. The translational mechanism is characterized in that: the translational mechanism comprises an speed adjusting motor (8), a driving gear (5), a driven gear (14), a transition gear (19), and a translational plate (18); the translational plate (18) is respectively connected with the driving gear (5) and the driven gear (14) by an eccentric shaft and a bearing; the speed adjusting motor (8) outputs a translational motion to the translational plate (18) when the speed adjusting motor (8) rotates; the electroformed cathode (1) which is connected with the translational plate (18) has a translational moves; and the orbit radius us adjusted by an adjusting screw, and the translational speed is controlled by the speed adjusting motor (8). The translational mechanism of the present invention has the advantages of large orbit radius and adjustable high speed.

Description

The electroforming negative electrode parallel moving mechanism of big translation amount, high-speed adjustable
Technical field
The present invention relates to the electroforming negative electrode parallel moving mechanism of a kind of big translation amount, high-speed adjustable, belong to electroforming and make the field.
Background technology
The electroforming manufacturing processed is actually electrodeposition process, comes formation of parts through metals ion in the galvanic deposit of cathode surface.In the electroforming process, if the metals ion velocity of diffusion is very slow, will make near the reactive ion concentration convergence of electrode surface is zero, and complete concentration polarization takes place.Peak appears in the current density that at this moment flows through on the electrode, i.e. limit current density.The current density that is adopted in the electroforming current density that can not overstep the extreme limit, otherwise other chemical reaction such as liberation of hydrogen can take place on the electrode, thus cathode efficiency is reduced, not only improved not electroforming velocity, in most cases can worsen the electroformed layer quality on the contrary.When serious, a large amount of liberations of hydrogen of negative electrode cause phenomenons such as electroformed layer produces pin hole, pit, bubbles even burns, and also possibly make electroformed layer generation hydrogen embrittlement, reduce its mechanical property greatly.
Because the restriction of limit current density makes problems such as conventional electroforming ubiquity speed is low, the production cycle is long obviously restricting the development of galvanoplastics.Improve electroforming velocity, must manage to improve limit current density, promptly improve near the mass transfer velocity of the metals ion of cathode surface.Therefore, in electroforming production and test, people often adopt the method for negative electrode high-speed motion to improve electroforming velocity.For the electroforming negative electrode of complicated shape, negative electrode is made the high speed translational motion and is not only helped to improve electroforming velocity, and because cathode surface each point movement velocity is identical, helps keeping cathode surface even flow field everywhere, obtains the electroformed layer of even compact.
The auxiliary precise electrotyping technology of a kind of friction (ZL200410065123.X) is invented by Nanjing Aero-Space University, and negative electrode is made translational motion in this technology, and the settled layer of growing through free particle anticathode surface produces micro-grinding and rubbing effect; On the one hand; Free particle is the disturbance electrodeposition process directly, improves the mass transfer velocity of metals ion in the diffusion layer, improves electroformed layer weave construction and material property; When obtaining the high-quality electroformed layer, effectively improve electroforming velocity; On the other hand, free particle suppresses settled layer surface projecting point dominant growth through micro-ablation leveling settled layer surface, avoids surface cord to produce, and can save follow-up leveling operations such as mechanical workout, realizes the disposable electrotyping process of part.Negative electrode translational velocity peace momentum is two main technologic parameters of the auxiliary galvanoplastics of friction, and the negative electrode parallel moving mechanism is an important running gear of realizing the auxiliary electroforming of friction.
Yet; Commercially available orbital head mainly is that electrospark machining is used orbital head at present; In electrospark machining, play compensation tool electrode loss, smoothing sidewall machined surface, realize roughing to effects such as accurately machined conversions, high to the kinematic accuracy requirement of orbital head, but less demanding to translation amount and movement velocity; Usually in 2mm, translational velocity is no more than 100r/min to its translation amount.And the speed peace momentum of electroforming processing anticathode translation is had relatively high expectations, and does not need very high kinematic accuracy, and therefore commercially available orbital head can not satisfy the demand that electroforming is made well.The present invention designs the novel parallel moving mechanism of a kind of translation amount and adjustable-speed, is used for big translation amount, the high speed translational motion of electroforming negative electrode, realizes that high-speed, the high quality precise electrotyping of complicated shape made.
Summary of the invention
The object of the invention is, the parallel moving mechanism of a kind of big translation amount, high-speed adjustable is provided.
A kind of big translation amount of electroforming cathode motion, parallel moving mechanism of high-speed adjustable of being used for is characterized in that: comprise buncher, support housing, driving toothed gear, transition gear and follower gear, translatory plate; Wherein driving toothed gear is installed on the support housing below through driving gear shaft and driving toothed gear axle bearing; Transition gear is installed on the support housing below through transition gear axle and transition gear axle bearing, and follower gear is installed on the support housing below through driven gear shaft and follower gear axle bearing; Above-mentioned driving toothed gear is identical with modulus with the follower gear size; Above-mentioned buncher is installed on the support housing and through driving gear shaft and driving toothed gear and links; Above-mentioned translatory plate is installed on respectively on driving toothed gear and the follower gear through the first eccentric adjustment mechanism and the second eccentric adjustment mechanism; Above-mentioned translatory plate links to each other with the electroforming negative electrode.
The above-mentioned big translation amount of electroforming cathode motion, the parallel moving mechanism of high-speed adjustable of being used for; It is characterized in that: the above-mentioned first eccentric adjustment mechanism comprises the first excentric shaft slide block, first excentric shaft and the first eccentric adjustment bolt, and the second eccentric adjustment mechanism comprises the second excentric shaft slide block, second excentric shaft and the second eccentric adjustment bolt; Wherein the first excentric shaft slide block is fixed in first excentric shaft upper end, and the first excentric shaft slide block is installed on the driving toothed gear and through the first eccentric adjustment bolt and regulates eccentricity and locking; The second excentric shaft slide block is fixed in second excentric shaft upper end, and the second excentric shaft slide block is installed on the follower gear and through the second eccentric adjustment bolt and regulates eccentricity and locking; Above-mentioned translatory plate is installed on first excentric shaft and the second excentric shaft lower end through first eccentric shaft bearing, second eccentric shaft bearing respectively.
The invention is characterized in: 1, the translatory plate of output translational motion connects with motion-work wheel and follow-up pulley through bearing, and when buncher drove the motion-work wheel rotation, motion-work wheel and driven crop rotation be equidirectional rotatablely moving synchronously, thereby on translatory plate, export translational motion.Any point links on electroforming negative electrode and the translatory plate, can do translational motion.2, motion-work wheel adopts the size gear identical with modulus with follow-up pulley, and the synchronous equidirectional of them rotatablely moves through realizing with the gear motion of transition gear.The translational velocity of translatory plate output is identical with motion-work wheel with direction, and by buncher control, the movement locus of each particle is circular on the translatory plate.The adjusting of 3, translation amount realizes through the slip and the locking of slide block in the chute of motion-work wheel and follow-up pulley.The translation amount of translatory plate output, promptly the translation radius of each particle equals the offset of first excentric shaft and driving gear shaft, also equals the offset of second excentric shaft and driven gear shaft.
Description of drawings
Fig. 1 is big translation amount, high-speed adjustable electroforming negative electrode parallel moving mechanism synoptic diagram;
Fig. 2 is the first eccentric adjustment structural scheme of mechanism;
Fig. 3 is the second eccentric adjustment structural scheme of mechanism;
Label title among the figure: 1. electroforming negative electrode, 2. first excentric shaft, 3. first eccentric shaft bearing, 4. first excentric shaft is regulated bolt, 5. driving toothed gear; 6. driving toothed gear axle bearing, 7. driving gear shaft, 8. buncher, 9. transition gear axle; 10. transition gear axle bearing, 11. driven gear shafts, 12. follower gear axle bearings, 13. support housings; 14. follower gear, 15. second excentric shafts are regulated bolt, 16. second eccentric shaft bearings, 17. second excentric shafts; 18. the translation output board, 19. transition gears, 20, the first excentric shaft slide block, 21, the second excentric shaft slide block.
Embodiment
The structure of the big translation amount of embodiment of the present invention, high-speed adjustable electroforming negative electrode parallel moving mechanism such as Fig. 1-shown in Figure 3, comprise buncher 8, driving toothed gear 5, transition gear 19, follower gear 14, translation output board 18, eccentric adjustment bolt etc.Electroforming negative electrode 1 is connected with translation output board 18, regulates the eccentric adjustment bolt on driving toothed gear 5 and the follower gear 14 simultaneously, set translation amount size.Start buncher 8, set rotating speed, drive driving toothed gear 5 rotations, driving toothed gear 5 drives follower gear 14 through transition gear 19 and rotatablely moves synchronously.Driving toothed gear 5 drives translation output board 18 together with follower gear 14 and makes translational motion with electroforming negative electrode 1.

Claims (2)

1. one kind is used for the big translation amount of electroforming cathode motion, the parallel moving mechanism of high-speed adjustable, it is characterized in that: comprise buncher (8), support housing (13), driving toothed gear (5), transition gear (19) and follower gear (14), translatory plate (18);
Wherein driving toothed gear (5) is installed on support housing (13) below through driving gear shaft (7) and driving toothed gear axle bearing (6); Transition gear (19) is installed on support housing (13) below through transition gear axle (9) and transition gear axle bearing (10), and follower gear (14) is installed on support housing (13) below through driven gear shaft (11) and follower gear axle bearing (12);
Above-mentioned driving toothed gear (5) is identical with modulus with follower gear (14) size;
Above-mentioned buncher (8) is installed on support housing (13) and upward and through driving gear shaft (7) and driving toothed gear (5) links;
Above-mentioned translatory plate (18) is installed on respectively on driving toothed gear (5) and the follower gear (14) through the first eccentric adjustment mechanism and the second eccentric adjustment mechanism;
Above-mentioned translatory plate (18) links to each other with electroforming negative electrode (1).
2. the big translation amount of electroforming cathode motion, the parallel moving mechanism of high-speed adjustable of being used for according to claim 1; It is characterized in that: the above-mentioned first eccentric adjustment mechanism comprises the first excentric shaft slide block (20), first excentric shaft (2) and the first eccentric adjustment bolt (4), and the second eccentric adjustment mechanism comprises the second excentric shaft slide block (21), second excentric shaft (17) and the second eccentric adjustment bolt (15);
Wherein the first excentric shaft slide block (20) is fixed in first excentric shaft (2) upper end, and the first excentric shaft slide block (20) is installed on driving toothed gear (5) and upward and through the first eccentric adjustment bolt (4) regulates eccentricity and locking;
The second excentric shaft slide block (21) is fixed in second excentric shaft (17) upper end, and the second excentric shaft slide block (21) is installed on follower gear (14) and upward and through the second eccentric adjustment bolt (15) regulates eccentricity and locking;
Above-mentioned translatory plate (18) is installed on first excentric shaft (2) and second excentric shaft (17) lower end through first eccentric shaft bearing (3), second eccentric shaft bearing (16) respectively.
CN201110211518A 2011-07-27 2011-07-27 Translational mechanism with large orbit radius, and adjustable high speed for electroformed cathode Pending CN102312254A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201110211518A CN102312254A (en) 2011-07-27 2011-07-27 Translational mechanism with large orbit radius, and adjustable high speed for electroformed cathode

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Application Number Priority Date Filing Date Title
CN201110211518A CN102312254A (en) 2011-07-27 2011-07-27 Translational mechanism with large orbit radius, and adjustable high speed for electroformed cathode

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CN102312254A true CN102312254A (en) 2012-01-11

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103910255A (en) * 2014-03-18 2014-07-09 泰州润康医疗用品有限公司 Regulating mechanism of antiseptic sheet wiper
CN105734618A (en) * 2015-12-14 2016-07-06 南京航空航天大学 Electroforming method of complex profile thin-wall revolved body part
CN111172564A (en) * 2020-01-15 2020-05-19 山东理工大学 Cathode composite motion type free microbead friction auxiliary electroforming device and method

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0474882A (en) * 1990-07-12 1992-03-10 Nec Corp Electroforming device
JPH074882A (en) * 1993-06-11 1995-01-10 Hitachi Ltd Heat exchanger
JP3384114B2 (en) * 1994-06-16 2003-03-10 ソニー株式会社 Electroforming equipment
CN101037777A (en) * 2007-01-30 2007-09-19 南京航空航天大学 Precise/ trickle electromoulding machine tool
CN101337168A (en) * 2008-08-12 2009-01-07 上海师范大学 Translation motion type stirrer
CN101497172A (en) * 2008-12-15 2009-08-05 北京迪蒙吉意超硬材料技术有限公司 Line polisher of special-shaped wire-drawing die

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0474882A (en) * 1990-07-12 1992-03-10 Nec Corp Electroforming device
JPH074882A (en) * 1993-06-11 1995-01-10 Hitachi Ltd Heat exchanger
JP3384114B2 (en) * 1994-06-16 2003-03-10 ソニー株式会社 Electroforming equipment
CN101037777A (en) * 2007-01-30 2007-09-19 南京航空航天大学 Precise/ trickle electromoulding machine tool
CN101337168A (en) * 2008-08-12 2009-01-07 上海师范大学 Translation motion type stirrer
CN101497172A (en) * 2008-12-15 2009-08-05 北京迪蒙吉意超硬材料技术有限公司 Line polisher of special-shaped wire-drawing die

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103910255A (en) * 2014-03-18 2014-07-09 泰州润康医疗用品有限公司 Regulating mechanism of antiseptic sheet wiper
CN105734618A (en) * 2015-12-14 2016-07-06 南京航空航天大学 Electroforming method of complex profile thin-wall revolved body part
CN105734618B (en) * 2015-12-14 2017-12-26 南京航空航天大学 A kind of complex outline Thin-wall Revolving Part electrocasting method
CN111172564A (en) * 2020-01-15 2020-05-19 山东理工大学 Cathode composite motion type free microbead friction auxiliary electroforming device and method

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Application publication date: 20120111