CN102179507B - Three-dimensional parallel-connected vibrating casting machine - Google Patents
Three-dimensional parallel-connected vibrating casting machine Download PDFInfo
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- CN102179507B CN102179507B CN 201110078872 CN201110078872A CN102179507B CN 102179507 B CN102179507 B CN 102179507B CN 201110078872 CN201110078872 CN 201110078872 CN 201110078872 A CN201110078872 A CN 201110078872A CN 102179507 B CN102179507 B CN 102179507B
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Abstract
The invention relates to a three-dimensional parallel-connected vibrating casting machine relating to the field of vibrating casting equipment. The three-dimensional parallel-connected vibrating casting machine comprises a sand box, a vibrating platform, a longitudinal vibrating chain, a horizontal vibrating chain, a vibrating motor, hanging brackets, springs, a main bracket and a base, wherein the sand box is fixed on the upper installation surface of the vibrating platform through a bolt; the vibrating motor is fixed on the lower installation surface of the vibrating platform; the upper ends of the four hanging brackets are connected with the vibrating platform through bolts, and the lower ends of the four hanging brackets are respectively hung on the main bracket through the springs; the main bracket is fixed on the base; and the upper ends of the longitudinal vibrating chain and the horizontal vibrating chain are connected with the vibrating platform, and the lower ends of the longitudinal vibrating chain and the horizontal vibrating chain are both fixed on the base. The three-dimensional parallel-connected vibrating casting machine provided by the invention has a simple structure and can be used for realizing the vibration in directions X, Y and Z in such a way that the longitudinal vibrating chain and the horizontal vibrating chain are not mutually interfered, and enabling the vibrating platform to obtain different vibration outputs by regulating the power parameters of the vibrating motor and drive sources of the longitudinal vibrating chain and the horizontal vibrating chain, and thus, the casting mould inside the sand box can obtain appropriate vibration excitation so as to improve the quality of a cast.
Description
Technical field:
The present invention relates to the vibrational casting apparatus field, relate in particular to a kind of three-dimensional vibrational casting machine in parallel, can realize the space three-dimensional vibration of casting mold.
Background technology:
Existing metal casting is in casting process, because sandbox or mold remain static, bubble in the metal liquid is difficult to overflow, the come-up and metal liquid the flowing in process of setting that are unfavorable for slag inclusion, especially in, large-scale iron and steel casting since foundry goods overall structure wall thickness variation big, common process all is difficult to guarantee whole balanced cooling, and the part is easy to generate defectives such as crackle, shrinkage porosite, shrinkage cavity, slag inclusion, crystal grain be thick, has a strong impact on the raising of casting product quality.Large-scale steel-casting particularly, through Non-Destructive Testing, casting flaw is particularly outstanding, and repair welding, finishing process amount are big, and percent defective is higher, strengthens production cost.In addition, because running and feeding system in the prior art is to lean on the weight metal of rising head as system pressure, need the metal occupancy volume big, so cause whole casting cost height.
At present existing patent has also proposed some solutions, be the embodiment that 200720049505.2 patent has proposed a kind of hydraulic vibration casting equipment as application number, application number is that 201020117378.7 patent has been announced a kind of vibrative mechanical oscillation casting machine of centrifugal motion that utilizes the semicircle axle etc., but the vibrating device that these patents propose all can only produce the vibration of 1-2 the free degree, and the hydraulic vibration gen cost is higher, safeguards inconvenience.Traditional exciting device all passes through the compression spring when using or latch plate supports casting mold, the part free degree of casting mold suffers restraints, and vibrational degrees of freedom is few, only rely on raising Oscillation Amplitude and intensity (oscillation intensity is excessive also may destroy sand mold) to improve the limited in one's ability of vibrating effect, can not satisfy the actual demand of producing.And for the mobile difference of some die cavity complexity, liquid metal and the demanding casting mold of casting quality and in some, the casting of large-scale iron and steel casting, press for the multi-dimensional vibration casting machine that adopts the space.
The vibrational casting machine three-dimensional in parallel that the present invention relates to since can the implementation space along the vibration of X, Y, three directions of Z, and parameters such as the Oscillation Amplitude of each direction of vibration, frequency can control separately and regulate, and can overcome the technological deficiency of existing vibrational casting platform.
Summary of the invention:
Technical problem to be solved by this invention is to provide a kind of vibrational casting machine in parallel that can realize three-dimensional vibrating.
Technical problem to be solved by this invention realizes by the following technical solutions.
A kind of three-dimensional vibrational casting machine in parallel is made up of sandbox (1), shaking platform (2), extensional vibration chain (3), oscillation crosswise chain (4), vibrating motor (5), outstanding support (6), spring (7), main support (8) and base (9).Wherein: sandbox (1) is by on the last installed surface that is bolted to shaking platform (2); Vibrating motor (5) is fixed on the following installed surface of shaking platform (2); The upper end of four outstanding supports (6) and shaking platform (2) are by Bolt Connection, and the lower end of four outstanding supports (6) is suspended on the main support (8) by spring (7) respectively; Main support (8) is fixed on the base (9); The upper end of extensional vibration chain (3) and oscillation crosswise chain (4) and shaking platform (2) link, and their lower end all is fixed on the base (9).
Described extensional vibration chain (3) is made up of three revolute pairs (R1, R2, R3), a moving sets (P1) and the connecting rod between them (L1, L2, L3), connecting rod (L1) links by revolute pair (R1) and shaking platform (2), connecting rod (L1) links by revolute pair (R2) and connecting rod (L2), connecting rod (L2) links by revolute pair (R3) and connecting rod (L3), connecting rod (L3) links by moving sets (P1) and base (9), and the axis of revolute pair (R1, R2, R3) parallels with the axis of moving sets (P1); Described oscillation crosswise chain (4) is made up of three revolute pairs (R4, R5, R6), a moving sets (P2) and the connecting rod between them (L4, L5, L6), connecting rod (L4) links by revolute pair (R4) and shaking platform (2), connecting rod (L4) links by revolute pair (R5) and connecting rod (L5), connecting rod (L5) links by revolute pair (R6) and connecting rod (L6), connecting rod (L6) links by moving sets (P2) and base (9), and the axis of revolute pair (R4, R5, R6) parallels with the axis of moving sets (P2); The axis of the axis of the moving sets (P1) of extensional vibration chain (3) and the moving sets (P2) of oscillation crosswise chain (4) is perpendicular, and moving sets (P1, P2) is the driving pair of mechanism.
Moving sets (P2) in oscillation crosswise chain (4) adds exciting force, can produce laterally (X-direction) vibration; Moving sets (P1) in extensional vibration chain (3) adds exciting force, can produce (Y-direction) vibration; And the vibration on the vertical direction (Z-direction) is provided by two vibrating motors (5).
The present invention is simple in structure, assemble, adjust, safeguard simple, can realize the vibration along X, Y, three directions of Z, and the vibration of three directions is separate, mutually noninterfere, also can make shaking platform obtain different vibration output by the kinetic parameter of regulating vibrating motor and two vibration chain drive sources, thereby make the casting mold in the sandbox obtain suitable vibrational excitation, improve the quality of foundry goods.
Description of drawings:
Fig. 1 is structural representation of the present invention;
Fig. 2 is the structural representation of extensional vibration chain;
Fig. 3 is the structural representation of oscillation crosswise chain;
Among the figure: 1. sandbox; 2. shaking platform; 3. extensional vibration chain; 4. oscillation crosswise chain; 5. vibrating motor; 6. hang support; 7. spring; 8. main support; 9. base.
The specific embodiment:
For technological means, creation characteristic that the present invention is realized, reach purpose and effect is easy to understand, below in conjunction with specific embodiment and diagram, further set forth the present invention.
As shown in Figure 1, a kind of three-dimensional vibrational casting machine in parallel is made up of sandbox 1, shaking platform 2, extensional vibration chain 3, oscillation crosswise chain 4, vibrating motor 5, outstanding support 6, spring 7, main support 8 and base 9.Wherein: sandbox 1 is by on the last installed surface that is bolted to shaking platform 2; Vibrating motor 5 is fixed on the following installed surface of shaking platform 2; The upper end of four outstanding supports 6 and shaking platform 2 are by Bolt Connection, and the lower end of four outstanding supports 6 is suspended on the main support 8 by spring 7 respectively; Main support 8 is fixed on the base 9; The upper end of extensional vibration chain 3 and oscillation crosswise chain 4 and shaking platform 2 link, and their lower end all is fixed on the base 9.
As shown in Figures 2 and 3, described extensional vibration chain 3 is by three revolute pair R1, R2, R3, moving sets P1 and connecting rod L1, L2 between them, L3 form, connecting rod L1 links by revolute pair R1 and shaking platform 2, connecting rod L1 links by revolute pair R2 and connecting rod L2, connecting rod L2 links by revolute pair R3 and connecting rod L3, and connecting rod L3 links by moving sets P1 and base 9, and the axis of revolute pair R1, R2, R3 parallels with the axis of moving sets P1; Described oscillation crosswise chain 4 is by three revolute pair R4, R5, R6, moving sets P2 and connecting rod L4, L5 between them, L6 form, connecting rod L4 links by revolute pair R4 and shaking platform 2, connecting rod L4 links by revolute pair R5 and connecting rod L5, connecting rod L5 links by revolute pair R6 and connecting rod L6, connecting rod L6 links by moving sets P2 and base 9, and the axis of revolute pair R4, R5, R6 parallels with the axis of moving sets P2; The axis of the axis of the moving sets P1 of extensional vibration chain 3 and the moving sets P2 of oscillation crosswise chain 4 is perpendicular, and moving sets P1 and P2 are the driving pair of mechanism.
Moving sets P2 at oscillation crosswise chain 4 adds exciting force, can produce laterally (X-direction) vibration; Moving sets P1 at extensional vibration chain 3 adds exciting force, can produce the Y-direction vibration; And the vibration on the vertical direction (Z-direction) is provided by two vibrating motors 5.The power of moving sets P1, the P2 of extensional vibration chain 3 and oscillation crosswise chain 4 can or drive line reciprocator (as slider-crank mechanism, pinion and rack etc.) by electric rotating machine by linear electric motors, electronic cylinder, servo hydraulic cylinder and provide.
During work, earlier casting mold is fixed in the sandbox 1, around casting mold, fill up insulation sand, then according to the parameters such as number of degrees of freedom,, exciting force size, Oscillation Amplitude, vibration frequency and time of vibration of the total load amount on material, shape, quantity and the shaking platform 2 of foundry goods and the definite vibrations such as different phase in the casting process, regulate the power on the moving sets P2 of oscillation crosswise chain 4 again, the power on the moving sets P1 of extensional vibration chain 3 and the eccentric block angle of regulating the vibrating motor 5 that produces the Z-direction vibration.According to definite starting of oscillation such as the characteristic of institute's casting metal and foundry goods shape constantly, the Vibration on Start-up casting machine makes casting mold obtain suitable exciting, strengthens the flowability of liquid metal, make grain refinement and evenly distribution, reduce shrinkage cavity, shrinkage cavity, slag inclusion, eliminate casting stress, thereby improve casting quality.After vibration is finished, close all directions exciting power, make casting mold in sandbox 1, keep a period of time, and then take out casting mold, the cleaning foundry goods.
More than show and described basic principle of the present invention and principal character and advantage of the present invention.The technical staff of the industry should understand; the present invention is not restricted to the described embodiments; that describes in above-described embodiment and the specification just illustrates principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements all fall in the claimed scope of the invention.The claimed scope of the present invention is defined by appending claims and equivalent thereof.
Claims (2)
1. three-dimensional vibrational casting machine in parallel, be made up of sandbox (1), shaking platform (2), extensional vibration chain (3), oscillation crosswise chain (4), vibrating motor (5), outstanding support (6), spring (7), main support (8) and base (9), it is characterized in that: described sandbox (1) is by on the last installed surface that is bolted to shaking platform (2); Vibrating motor (5) is fixed on the following installed surface of shaking platform (2); The upper end of four outstanding supports (6) and shaking platform (2) are by Bolt Connection, and the lower end of four outstanding supports (6) is suspended on the main support (8) by spring (7) respectively; Main support (8) is fixed on the base (9); The upper end of extensional vibration chain (3) and oscillation crosswise chain (4) and shaking platform (2) link, and their lower end all is fixed on the base (9); Described extensional vibration chain (3) is by three revolute pair (R1, R2, R3), a moving sets (P1) and the first connecting rod between them (L1), second connecting rod (L2), third connecting rod (L3) is formed, first connecting rod (L1) links by first revolute pair (R1) and shaking platform (2), first connecting rod (L1) links by second revolute pair (R2) and second connecting rod (L2), second connecting rod (L2) links by the 3rd revolute pair (R3) and third connecting rod (L3), third connecting rod (L3) links by first moving sets (P1) and base (9), and first revolute pair (R1), second revolute pair (R2), the axis of the 3rd revolute pair (R3) parallels with the axis of first moving sets (P1); Described oscillation crosswise chain (4) is by three revolute pair (R4, R5, R6), a moving sets (P2) and the 4th connecting rod (L4) between them, the 5th connecting rod (L5), the 6th connecting rod (L6) is formed, the 4th connecting rod (L4) links by the 4th revolute pair (R4) and shaking platform (2), the 4th connecting rod (L4) links by the 5th revolute pair (R5) and the 5th connecting rod (L5), the 5th connecting rod (L5) links by the 6th revolute pair (R6) and the 6th connecting rod (L6), the 6th connecting rod (L6) links by second moving sets (P2) and base (9), and the 4th revolute pair (R4), the 5th revolute pair (R5), the axis of the 6th revolute pair (R6) parallels with the axis of second moving sets (P2).
2. three-dimensional according to claim 1 vibrational casting machine in parallel, it is characterized in that: the axis of the axis of first moving sets (P1) of described extensional vibration chain (3) and second moving sets (P2) of oscillation crosswise chain (4) is perpendicular, and first moving sets (P1), second moving sets (P2) are the driving pair of mechanism.
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| CN 201110078872 CN102179507B (en) | 2011-03-30 | 2011-03-30 | Three-dimensional parallel-connected vibrating casting machine |
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| CN 201110078872 CN102179507B (en) | 2011-03-30 | 2011-03-30 | Three-dimensional parallel-connected vibrating casting machine |
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| CN102179507B true CN102179507B (en) | 2013-09-18 |
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| CN102974809A (en) * | 2012-11-23 | 2013-03-20 | 天津美腾铜业有限公司 | Vibrating casting platform for copper rotor and casting method |
| CN103658586B (en) * | 2013-11-30 | 2016-04-06 | 雄邦压铸（南通）有限公司 | A kind of die casting vibrating device |
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| CN105195717B (en) * | 2015-09-17 | 2017-05-24 | 安徽工程大学 | Three-dimensional parallel vibratory casting machine |
| CN105328169A (en) * | 2015-09-28 | 2016-02-17 | 扬中中科维康智能科技有限公司 | Six-axial multi-dimensional vibration casting platform |
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| CN107478800B (en) * | 2017-10-09 | 2018-07-31 | 安徽理工大学 | Gravity casting simulates testing stand |
| CN107812925A (en) * | 2017-12-06 | 2018-03-20 | 安徽应流航源动力科技有限公司 | A kind of device for improving vacuum pouring casting crystalline grain degree |
| CN108213391B (en) * | 2018-02-28 | 2021-02-12 | 江苏大学 | Method for improving metal solidification structure through multi-dimensional mechanical vibration |
| CN109434023B (en) * | 2018-11-09 | 2020-10-09 | 襄阳市中康汽车配件有限公司 | Engine cylinder cover casting mold and cylinder cover |
| CN111390115B (en) * | 2020-04-02 | 2021-05-14 | 邯郸慧桥复合材料科技有限公司 | Wear-resistant part shell mold casting method |
| CN112756566B (en) * | 2020-12-29 | 2022-03-01 | 广州市美开实业有限责任公司 | Aluminum alloy casting method |
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| CN2522196Y (en) * | 2002-02-04 | 2002-11-27 | 黄述哲 | Frequency-modulation air-cushion three-D vibration table |
| CN101531004A (en) * | 2009-01-14 | 2009-09-16 | 哈尔滨工业大学深圳研究生院 | Partially decoupling parallel mechanism to implement tri-translation and mono-rotation |
| CN201512567U (en) * | 2009-09-25 | 2010-06-23 | 河北科技大学 | Device for preparing semi-solid alloy melt |
| CN202052929U (en) * | 2011-03-30 | 2011-11-30 | 安徽理工大学 | Three-dimensional parallel vibration casting machine |
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| CN2522196Y (en) * | 2002-02-04 | 2002-11-27 | 黄述哲 | Frequency-modulation air-cushion three-D vibration table |
| CN101531004A (en) * | 2009-01-14 | 2009-09-16 | 哈尔滨工业大学深圳研究生院 | Partially decoupling parallel mechanism to implement tri-translation and mono-rotation |
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