CN103949622A - Novel double-pouring ladle mechanical arm for gravity casting fluid feeding machine - Google Patents
Novel double-pouring ladle mechanical arm for gravity casting fluid feeding machine Download PDFInfo
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- CN103949622A CN103949622A CN201410143804.7A CN201410143804A CN103949622A CN 103949622 A CN103949622 A CN 103949622A CN 201410143804 A CN201410143804 A CN 201410143804A CN 103949622 A CN103949622 A CN 103949622A
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- mechanical arm
- pony ladle
- driving mechanism
- feeding machine
- pouring ladle
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Abstract
The invention discloses a novel double-pouring ladle mechanical arm for a gravity casting fluid feeding machine. The mechanical arm comprises a working arm, a first pouring ladle, a second pouring ladle driving mechanism and a second pouring ladle, wherein the first pouring ladle is fixedly connected with the left end of a sprocket shaft, and the second pouring ladle driving mechanism is fixedly connected with the right end of the sprocket shaft; the second pouring ladle driving mechanism comprises a shell, a servo motor, a pinion, a bull gear, a lead screw, a ball nut, a connecting plate, a front support and a rear support, and the second pouring ladle is fixedly connected with the right end of the connecting plate. The double-pouring ladle mechanical arm is novel and reasonable, simple in structure, and fast and stable in operation, and can be matched with a small-size melt furnace for use; the problem that the double-pouring ladle device of the mechanical arm is interfered with the melt furnace is solved, pouring at sprues with different distances in gravity casting is realized, the mechanical arm can be mounted on a five-rod fluid feeding machine for use, massive manpower is saved, the production cost is reduced, the production efficiency is improved, and the technical content is high.
Description
Technical field
The present invention relates to Casting Equipment of Machine, especially relate to a kind of double teeming spoon mechanical arm for gravitational casting soup feeding machine.
Technical background
At present, metal mold gravity casting is because equipment is simpler, and mould and equipment investment are relatively less, and casting technique is relatively simple, is widely used in the production of various coloured foundry goods.But, mostly the work of gravity casting die being carried out to casting of metals is by manually completing, cast work is heavy muscle power, high-risk work post, and foundry's noise is large, dust is many, working environment is very severe, the probability that the workman who is for a long time engaged in casting of metals work in foundry suffers from the occupational diseases such as pneumoconiosis is larger, for alleviating workman's labour intensity and saving human cost, need to adopt gravitational casting machine people to replace and manually carry out the cast work of molten metal.Is at present five connecting rod soup feeding machines for the ripe product of die casting pouring practice, this kind of soup feeding machine can be got molten metal and be poured into the pressure chamber of die casting from liquation stove with single pony ladle.Gravitational casting is different from the technique of die casting, be embodied in while adopting the larger foundry goods of gravity foundry technology casting length two cast gates need be set on mould, and corresponding mould two cast gate spacing are also different in the time that foundry goods varies in size, therefore the double cast gate that pouring robot need often change molten metal through spacing pours into mould simultaneously, this is very high to the requirement of robot, has enterprise to be studied this.
Application number is 201120359585.8, the utility model patent that name is called " robot double teeming bag cast arm " has proposed to adopt two servomotors to drive two pony ladles by two decelerators and chain sprocket mechanism respectively, distance between two pony ladles can change by adjusting the installation site of pony ladle on adjustable plate, the greatest problem that this cast arm exists is when to a certain concrete die casting, two pony ladle spacing be adjusted to identical with two cast gate spacing after no longer change, until the mold exchange position of manual setting pony ladle on adjustable plate more next time, and when two cast gates distances are when excessive, the distance of two pony ladles also will increase thereupon, need large-sized liquation stove supporting with it, otherwise can cause cast arm in the time getting molten metal and liquation stove interfere.
In addition, the multiple degrees of freedom industrial robot that the company such as KUKA, ABB of Germany produces can complete the work of double cast gate gravitational casting, but be mostly to use as automatic foundry production line, its price is high, far beyond the tolerance range of general medium-sized and small enterprises, and double teeming spoon distance is fixing when cast, more must transform industrial robot when mold exchange, it is flexible poor, can only be used for large-scale production.
Summary of the invention
The object of the present invention is to provide a kind of Novel gravity casting soup feeding machine double teeming spoon mechanical arm, make mechanical arm can support the use undersized liquation stove and do not interfere in when work and its, and make two pony ladles, two pony ladle distances in the time getting molten metal of mechanical arm be reduced to the shortest, molten metal is poured into before mould, make the distance of two pony ladles automatically be adjusted to identical with two cast gate spacing simultaneously.
Technical thought of the present invention is to add pony ladle driving mechanism and second pony ladle on the basis of five connecting rod soup feeding machine working arm list pony ladles, by two pony ladles called after the first pony ladle and the second pony ladle respectively, in the course of the work, the second pony ladle driving mechanism can drive the second pony ladle to move in the horizontal direction, simultaneously can also by the sprocket wheel of working arm drive the first pony ladle and the second pony ladle driving mechanism and and then the deflection of pony ladle while driving the second pony ladle to complete to get liquid, therefore mechanical arm of the present invention is applicable to the situation of the different multiple kinds of molds of cast gate spacing.
Concrete technical scheme of the present invention is: comprise working arm, the first pony ladle, the second pony ladle and the second pony ladle driving mechanism; Wherein working arm comprises sprocket shaft and the sprocket wheel that is enclosed within described sprocket shaft stage casing, one end of described working arm medium chain wheel shaft is fixedly connected with described the first pony ladle by pin, and the other end of described working arm medium chain wheel shaft and the shell of described the second pony ladle driving mechanism are circumferentially located and axial location by key and clamp nut; Described the second pony ladle driving mechanism comprises shell, servomotor, pinion, gear wheel, leading screw, ball nut, connecting plate; Described servomotor is connected with described pinion by wedge key, described pinion engages with gear wheel described in lower end, described gear wheel is connected with described leading screw by wedge key, and on described leading screw, cover has ball nut, and the flange end of described ball nut is bolted to connection one end of described connecting plate; The other end of described connecting plate is fixedly connected with described the second pony ladle.
For keeping the rigidity of sprocket shaft and the second pony ladle driving mechanism, one little minor axis is set above the shell of the second pony ladle driving mechanism, little minor axis one end and shell are circumferentially located and axial location by key and clamp nut, the other end is fixedly connected with thrust ball bearing, thrust ball bearing is fixed in the arcuate socket of working arm by fixed head, therefore in the time that mechanical arm is worked, sprocket wheel drives sprocket shaft to rotate, sprocket shaft drives the first pony ladle and the second pony ladle driving mechanism to rotate simultaneously, little minor axis is followed the second pony ladle driving mechanism and is rotated centered by the axis of sprocket shaft.
The effective length of leading screw is comprehensively determined according to the internal diameter of molten aluminium stove and mould two cast gate spacing.The effective length of leading screw has directly determined the size of the second pony ladle driving mechanism, and in the situation that ensureing that mould two cast gate spacing ranges are in two pony ladle spacing excursions, the second pony ladle driving mechanism is the smaller the better, and the effective length of leading screw is more short better.The effective length of leading screw is less, and the second pony ladle driving mechanism is just less, and when mechanical arm work, two pony ladle minimum spacings are also just less, also just can the less liquation stove of matching used size, and production cost is also just less.
On working arm, be bolted liquid level sensor.When mechanical arm is got molten metal from liquation stove, the degree of depth that liquid level sensor can enter molten metal by detecting two pony ladles of distance control of itself and liquid level.
The present invention has following beneficial effect:
1) can support the use with small size liquation stove, solve the non-adjustable interference problem apart from double teeming spoon device and small size liquation stove, save production space, reduce production cost;
2) can realize the cast of the mould different to double cast gate spacing;
3) mechanical arm of the present invention is arranged on five connecting rod soup feeding machines, can be used for gravitational casting double cast gate cast occasion;
4) the present invention is simple in structure, easy to maintenance, and the life-span is high.
Brief description of the drawings
The A-A profile of Fig. 1 gravitational casting soup feeding machine double teeming spoon mechanical arm.
The B-B profile of Fig. 2 gravitational casting soup feeding machine double teeming spoon mechanical arm.
In figure: the second pony ladle 1, leading screw 2, connecting plate 3, ball nut 4, front bearing 5, gear wheel 6, clamp nut 7, deep groove ball bearing 8, sleeve 9, sprocket wheel 10, sprocket shaft 11, the first pony ladles 12, seal cover 13, working arm 14, thrust ball bearing 15, fixed head 16, little minor axis 17, pinion 18, angular contact ball bearing 19, servomotor 20, shell 21, rear support 22, arcuate socket 23, liquid level sensor 24.
Detailed description of the invention
Below in conjunction with drawings and Examples, the invention will be further described.
As shown in Figure 1 to Figure 2, a kind of Novel gravity casting soup feeding machine double teeming spoon mechanical arm, comprises working arm 14, the first pony ladle 12, the second pony ladle 1 and the second pony ladle driving mechanism; Wherein working arm 14 comprises sprocket shaft 11 and the sprocket wheel 10 that is enclosed within described sprocket shaft 11 stage casings, the corresponding position of level on working arm 14 has two via holes, in two built-in two deep groove ball bearings 8 of via hole difference, described two deep groove ball bearings 8 are run through in the axle head both sides of sprocket shaft 11, described sprocket wheel 10 has a sleeve 9 near the second pony ladle driving mechanism one side, described sleeve 9 is enclosed within on described sprocket shaft 11, and described sprocket shaft 11 is to carry out axial restraint by the shaft shoulder of sprocket shaft 11 both sides with seal cover 13.One end of working arm 14 medium chain wheel shafts 11 is fixedly connected with described the first pony ladle 12 by pin, and working arm 14 other ends of medium chain wheel shaft (11) and the shell 21 of the second pony ladle driving mechanism are circumferentially located and axial location by key and clamp nut 7.
Above-mentioned the second pony ladle driving mechanism comprises shell 21, servomotor 20, pinion 18, gear wheel 6, leading screw 2, ball nut 4, connecting plate 3; Wherein servomotor 20 is connected with described pinion 18 by wedge key, described pinion 18 engages with lower end gear wheel 6, described gear wheel 6 is connected with leading screw 2 by wedge key, and on described leading screw 2, cover has ball nut 4, and the flange end of described ball nut 4 is bolted to connection one end of connecting plate 3; The other end of described connecting plate 3 is fixedly connected with the second pony ladle 1.In described leading screw 2, one end of leading screw 2 is fixed on described front bearing 5 by angular contact ball bearing 19 and clamp nut, the other end of leading screw 2 is fixed on rear support 22 by deep groove ball bearing and seal cover, the effective length of leading screw 2 is definite according to the internal diameter of molten aluminium stove and mould two cast gate spacing ranges, and 22 of above-mentioned front bearing 5 and rear supports are fixedly connected on shell 21 by screw.
Between described working arm 14 and the second pony ladle driving mechanism, there is a little minor axis 17, described little minor axis 17 is circumferentially located and axial location by key and clamp nut respectively near second pony ladle driving mechanism one end and shell 21, described little minor axis 17 is fixedly connected with by thrust ball bearing 15 near one end of working arm 14, and described thrust ball bearing 15 is fixed in the arcuate socket 23 of working arm 14 by fixed head 16.On described working arm 14, be bolted liquid level sensor 24.
Operation principle: after Gravity casting machines is in place, mechanical arm moves to the top of liquation stove, soup feeding machine starts to get liquid, the servomotor 20 of mechanical arm obtains program singal and starts action, drive pinion 18 and gear wheel 6 to rotate, gear wheel 6 drives leading screw 2 to rotate by key and drives ball nut 4 to move along leading screw 2, connecting plate 3 and the second pony ladle 1 move to high order end under the drive of ball nut 4, then under the drive of sprocket wheel 10, the first pony ladle 12, the second pony ladle driving mechanism and angle of the second pony ladle 1 deflection, little minor axis 17 is along with the second pony ladle driving mechanism rotates together simultaneously, so that keeping system rigidity, then mechanical arm moves downward, while arriving certain depth, liquid level sensor 24 is given system signal, mechanical arm stops moving downward and moving upward, move to stop motion after certain altitude, sprocket wheel 10 rotates and drives the first pony ladle 12, the second pony ladle driving mechanism and the second pony ladle 1 return back to horizontal level, getting liquid finishes, then manipulator motion is to mould top, wherein the first pony ladle 12 is positioned at a cast gate top, the second pony ladle 1 moves to above another cast gate under the driving of the second pony ladle driving mechanism, sprocket wheel 10 starts to rotate and drives the first pony ladle 12, the second pony ladle driving mechanism and the second pony ladle 1 deflection, molten metal starts to pour into mould, be finished down after molten metal, mechanical arm is got back to initial position and is prepared cast next time.
Claims (7)
1. a Novel gravity casting soup feeding machine double teeming spoon mechanical arm, is characterized in that: comprise working arm (14), the first pony ladle (12), the second pony ladle (1) and the second pony ladle driving mechanism;
Described working arm (14) comprises sprocket shaft (11) and is enclosed within the sprocket wheel (10) in described sprocket shaft (11) stage casing, one end of described sprocket shaft (11) is fixedly connected with described the first pony ladle (12) by pin, and the shell (21) of the other end of described sprocket shaft (11) and described the second pony ladle driving mechanism is circumferentially located and axial location by key and clamp nut (7);
Described the second pony ladle driving mechanism comprises shell (21), servomotor (20), pinion (18), gear wheel (6), leading screw (2), ball nut (4), connecting plate (3); Servomotor (20) in described shell (21) is connected with described pinion (18) by wedge key, described pinion (18) engages with gear wheel described in lower end (6), described gear wheel (6) is connected with described leading screw (2) by wedge key, the upper cover of described leading screw (2) has ball nut (4), and the flange end of described ball nut (4) is bolted to connection one end of described connecting plate (3); The other end of described connecting plate (3) is fixedly connected with described the second pony ladle (1).
2. Novel gravity casting soup feeding machine double teeming spoon mechanical arm according to claim 1, it is characterized in that: the corresponding position of the upper level of described working arm (14) has two via holes, described two via holes built-in two deep groove ball bearings (8) respectively, described two deep groove ball bearings (8) are run through in the axle head both sides of described sprocket shaft (11), described sprocket wheel (10) has a sleeve (9) near the second pony ladle driving mechanism one side, described sleeve (9) is enclosed within on described sprocket shaft (11), described sprocket shaft (11) is to carry out axial restraint by the same seal cover of the shaft shoulder (13) of described sprocket shaft (11) both sides.
3. Novel gravity casting soup feeding machine double teeming spoon mechanical arm according to claim 1, it is characterized in that: it is upper that one end of described leading screw (2) is fixed on described front bearing (5) by angular contact ball bearing (19) and clamp nut, and the other end of described leading screw (2) is fixed on described rear support (22) by deep groove ball bearing and seal cover.
4. Novel gravity casting soup feeding machine double teeming spoon mechanical arm according to claim 1, it is characterized in that: between described working arm (14) and described the second pony ladle driving mechanism, have a little minor axis (17), described little minor axis (17) is circumferentially located and axial location by key and clamp nut respectively near second pony ladle driving mechanism one end and described shell (21), described little minor axis (17) is fixedly connected with by thrust ball bearing (15) near one end of described working arm (14), described thrust ball bearing (15) is fixed in the arcuate socket (23) of described working arm (14) by fixed head (16).
5. according to the Novel gravity casting soup feeding machine double teeming spoon mechanical arm described in claim 1 or 3, it is characterized in that: the effective length of described leading screw (2) is determined according to the internal diameter of molten aluminium stove and mould two cast gate spacing ranges.
6. according to the Novel gravity casting soup feeding machine double teeming spoon mechanical arm described in claim 1 or 3, it is characterized in that: described front bearing (5) and described rear support (22) are fixedly connected on described shell (21) by screw.
7. Novel gravity casting soup feeding machine double teeming spoon mechanical arm according to claim 1, is characterized in that: on described working arm (14), be bolted liquid level sensor (24).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410143804.7A CN103949622B (en) | 2014-04-11 | 2014-04-11 | A kind of Novel gravity casting soup feeding machine double teeming spoon mechanical arm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410143804.7A CN103949622B (en) | 2014-04-11 | 2014-04-11 | A kind of Novel gravity casting soup feeding machine double teeming spoon mechanical arm |
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| CN103949622A true CN103949622A (en) | 2014-07-30 |
| CN103949622B CN103949622B (en) | 2016-05-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410143804.7A Active CN103949622B (en) | 2014-04-11 | 2014-04-11 | A kind of Novel gravity casting soup feeding machine double teeming spoon mechanical arm |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105619380A (en) * | 2015-01-12 | 2016-06-01 | 浙江琦星电子有限公司 | Assembling method of mechanical arm |
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| GB1371279A (en) * | 1971-09-28 | 1974-10-23 | Concast Ag | Ladle slewing turret for continuous casting plant |
| JP2000317612A (en) * | 1999-05-14 | 2000-11-21 | Toda Seiki Kk | Ladle inclining device for die casting |
| DE102007026985A1 (en) * | 2007-06-08 | 2008-12-11 | Reis Robotics Gmbh & Co. Maschinenfabrik | Device for automatically coupling casting ladle arranged in holding device to robot arm of robot, comprises first coupling element connected and rotatable with drive, second coupling element connected with casting ladle, and locking element |
| CN102259183A (en) * | 2011-07-12 | 2011-11-30 | 浙江精一重工有限公司 | Multi-station full-automobile casting machine |
| CN202062070U (en) * | 2011-04-19 | 2011-12-07 | 福州钜全汽车配件有限公司 | Automatic aluminum liquid casting machine |
| CN202398803U (en) * | 2011-09-23 | 2012-08-29 | 浙江万丰科技开发有限公司 | Double casting ladle casting arm of robot |
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2014
- 2014-04-11 CN CN201410143804.7A patent/CN103949622B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1371279A (en) * | 1971-09-28 | 1974-10-23 | Concast Ag | Ladle slewing turret for continuous casting plant |
| JP2000317612A (en) * | 1999-05-14 | 2000-11-21 | Toda Seiki Kk | Ladle inclining device for die casting |
| DE102007026985A1 (en) * | 2007-06-08 | 2008-12-11 | Reis Robotics Gmbh & Co. Maschinenfabrik | Device for automatically coupling casting ladle arranged in holding device to robot arm of robot, comprises first coupling element connected and rotatable with drive, second coupling element connected with casting ladle, and locking element |
| CN202062070U (en) * | 2011-04-19 | 2011-12-07 | 福州钜全汽车配件有限公司 | Automatic aluminum liquid casting machine |
| CN102259183A (en) * | 2011-07-12 | 2011-11-30 | 浙江精一重工有限公司 | Multi-station full-automobile casting machine |
| CN202398803U (en) * | 2011-09-23 | 2012-08-29 | 浙江万丰科技开发有限公司 | Double casting ladle casting arm of robot |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105619380A (en) * | 2015-01-12 | 2016-06-01 | 浙江琦星电子有限公司 | Assembling method of mechanical arm |
| CN105619380B (en) * | 2015-01-12 | 2017-09-05 | 浙江琦星电子有限公司 | A kind of assembly method of mechanical arm |
Also Published As
| Publication number | Publication date |
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| CN103949622B (en) | 2016-05-25 |
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Effective date of registration: 20201228 Address after: 224200 No.8 Beihai Road, Dongtai City, Yancheng City, Jiangsu Province Patentee after: Dongtai science and Technology Service Center Address before: No. 101, Nanxu Avenue, Zhenjiang City, Jiangsu Province, 212000 Patentee before: JIANGSU HUIZHI INTELLECTUAL PROPERTY SERVICES Co.,Ltd. Effective date of registration: 20201228 Address after: No. 101, Nanxu Avenue, Zhenjiang City, Jiangsu Province, 212000 Patentee after: JIANGSU HUIZHI INTELLECTUAL PROPERTY SERVICES Co.,Ltd. Address before: Zhenjiang City, Jiangsu Province, 212013 Jingkou District Road No. 301 Patentee before: JIANGSU University |
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