CN101412245B - Electromagnetic combined apparatus for synthesizing stone pressure plate - Google Patents

Electromagnetic combined apparatus for synthesizing stone pressure plate Download PDF

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Publication number
CN101412245B
CN101412245B CN2008100796701A CN200810079670A CN101412245B CN 101412245 B CN101412245 B CN 101412245B CN 2008100796701 A CN2008100796701 A CN 2008100796701A CN 200810079670 A CN200810079670 A CN 200810079670A CN 101412245 B CN101412245 B CN 101412245B
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electromagnet
plate
supporting plate
vibration
pressing
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CN101412245A (en
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刘建平
刘涛
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SHANXI ELECTRIC POWER XINZHOU ELECTRIC POWER SUPPLY Co
State Grid Corp of China SGCC
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Abstract

The invention relates to the field of building material machinery, in particular to an electromagnetic combined synthetic stone pressure plate device. The pressure plate device solves the problem that at present, when the electromagnetic vibration theory is applied to controlling a one-piece pressing tool to achieve integral vibration and pressing, the actual press power applied on part of a material is insufficient, and the pressing requirement on achieving the best compaction effect cannot be satisfied. The device comprises a vacuum cover provided with a supporting plate therein, wherein the supporting plate is provided with electromagnets, and a pressing device is arranged under the supporting plate; the pressing device is provided with a driving rod the end part of which is connected with movable iron cores of the electromagnets through a connecting piece; and a compression spring is arranged between the connecting piece and an electromagnet base. The pressing tool comprises vibrating plates the number of which is in accordance with that of the electromagnets on the supporting plate and which form a rectangular pressing tool through matrix arrangement on the same plane, the vibrating plates are corresponding to the electromagnets on the supporting plate one by one, and each vibrating plate is connected with the movable iron cores of the electromagnets through the driving rod. The pressure plate device has a reasonable and simple structure, good molding effect on pressing artificial quartzes, and high compactness of the finished products.

Description

Electromagnetic combined apparatus for synthesizing stone pressure plate
Technical field
The present invention relates to the stone machining equipment field, specifically is a kind of electromagnetic combined apparatus for synthesizing stone pressure plate.
Background technology
At present, in the stone material production field, adopting quartz sand, silica sand, stone flour, pigment and mylar is raw material, synthetic quartz stone thin plate with the vacuum vibrocompression technological forming, after attrition process, owing to have pleasant anti-skidding, quality is hard, color and luster is consistent and soft impression, and become the fashion articles for use that ground, kitchen cabinet table top are decorated gradually.Existing general synthetic quartz stone sheet forming equipment is four oscillators of configuration in the pressing element in vacuum (-tight) housing, and adopting the flute profile pressing element of controlling lifting by cylinder, the pressure that utilizes the eccentric block principle of inertia to produce exciting force and cylinder carries out the vibration moulding of its globality to the material body.Carry out area when being the sheet forming of big specification such as 300 * 160cm when using this former, be subjected to its vibration frequency to be difficult to surpass 70HZ and the difficult restriction that forms oscillatory forces of pressing element, the unsaturated-resin that not only will add more than 2 percentage points carries out its vibration moulding, also because the strong mechanical shock in its whole pressing process makes the reliability of its equipment relatively poor.Therefore, article and the equipment of realizing synthetic quartz stone sheet forming with electromagnetic action are just engendering in face of people, for example: at the 8th phase of " stone material " magazine in 2007 " electric and magnetic oscillation is used for the research that artificial stone is produced with turning to a cloth " literary composition, the present inventor has just proposed with electromagnet and spring and has made up the argument that convertor circuit carries out the electric and magnetic oscillation moulding; At application number is 200710111694.6, name is called the Chinese patent application of " the electromagnetic forming device of artificial stone ", six groups of whole pressing elements of electromagnet interlock have been proposed to adopt, form the vibration and the fluctuation of pressing element in through-flow successively mode, make it when the material body is suppressed, have fine and close preferably pressing result, but because pressing element is still used for monoblock, therefore, the rapid fluctuations of pressing element is subjected to the restriction of integraty weight and inertia thereof, the active force that pressing element moves under magnet control successively mainly makes its frequency synthesis increase, and the fine and close effect that the material body is suppressed is bigger and undesirable because of the area of its effect, be pressing element to the compacting dynamics of material body after conversion, local actual compacting dynamics and the impact velocity that is subjected to of material body is not enough, can not satisfy the pressing requirements that will reach best fine and close effect.
Summary of the invention
The present invention is in order to solve present existence when application electric and magnetic oscillation principle control monoblock pressing element is realized the vibration of globality and suppressed: local actual compacting dynamics and the impact velocity that is subjected to of material body is not enough, can not satisfy the problem of the pressing requirements that will reach best fine and close effect, a kind of electromagnetic combined apparatus for synthesizing stone pressure plate is provided.
The present invention adopts following technical scheme to realize: electromagnetic combined apparatus for synthesizing stone pressure plate, comprise pedestal, be fixed in the upper framework of pedestal top by column support, place the vacuum (-tight) housing that is built-in with supporting plate of pedestal top, upper framework is provided with the oil cylinder of control vacuum (-tight) housing lifting, the vacuum (-tight) housing inner shoe is provided with electromagnet in groups, the supporting plate below is provided with pressing element, be vertically installed with the drive link that passes supporting plate on the pressing element, be provided with copper sheathing with the drive link cooperation place on the supporting plate, the drive link end is connected with the moving iron core of electromagnet by connector, being provided with between connector and the electromagnet base cooperates work of electromagnet to make the reciprocating compression spring of drive link, described pressing element includes consistent with electromagnet number on the supporting plate, and rearrange the vibration plate (or being called vibration hammer) of rectangle pressing element at grade with matrix, vibration plate is corresponding one by one with electromagnet on the supporting plate, and each vibration plate is connected with the moving iron core of electromagnet by drive link.
For preventing that stickiness material body is squeezed into when the pressurized in the slit between vibration plate, the described vibration plate lower surface that rearranges the rectangle pressing element with matrix at grade is pasted with whole backing plate; Perhaps adding man-hour, directly with the backing plate lay in the material body above.Described backing plate is the rubber slab or the polyamine ester board of 2-8mm thickness.
In addition, solenoid to each electromagnet adopts IGCT and the through-flow circuit of capacitor, on the one hand being to carry out folk prescription with IGCT to cooperate spring to produce bigger exciting force to the control of electric current, is that capacitor constitutes series resonance and reduces the power that power supply provides on the other hand.The circuit that described IGCT and capacitor are through-flow is for the technical staff of electronic applications, and the circuit distortion is a lot, therefore is not described in summary of the invention.
The operation principle of presser device of the present invention is as follows: under the through-flow circuit control of IGCT and capacitor, successively its solenoid is passed to folk prescription to the pulse wave electric current by putting in order of electromagnet, make the moving iron core adhesive successively of electromagnet, and the rebound effect of cooperation compression spring, drive corresponding vibration plate successively the material body is realized vibratory impulse, and then to expecting the in a row vibration pressing process of moving property of the bodily form; When electromagnet through-flow adhesive successively, that the existing whole plate pressing element of the area of material body effect is unified pressing mode is much smaller with the vibration plate of electromagnet interlock, the exciting force of its generation concentrates in the small size zone, and then reach the purpose that the material body is fully suppressed with impact velocity and higher frequency faster, to realize the best dense effect in the pressing process.
Compared with prior art, the present invention adopts the fit structure of electromagnet and compression spring, utilizes its characteristics that not only produced exciting force but also produced compression stress, realizes the vibration compacting of pressing element to the material body, cancel conventional cylinder and piston structure, reached the purpose of simplified apparatus structure; Moving iron core in the electromagnet is with its generation exciting force that moves both vertically, and conventional eccentric block rotation produces the way of exciting force, not only has the advantage that frequency is easy to improve, and has also reduced the flimsy probability of equipment; And the most important thing is that the present invention adopts a plurality of small size vibration plates to rearrange the structure of rectangle pressing element with matrix, and it is vibration plate is corresponding one by one with electromagnet, constitute the interlock body with the moving iron core of electromagnet, by through-flow successively to electromagnet, realized that vibration plate vibrates the purpose of compacting (promptly passing compacting) one by one, the exciting force that each electromagnet is produced is concentrated to the part of expecting body by the small size vibration plate, serves as that the fine and close compacting of material body provides adequate condition with its higher excited frequency, impact velocity, exciting force.
The present invention is rational in infrastructure, simple, the good forming effect of compacting artificial quartz in lump, the packing height of finished product.Also can apply to the vibration moulding of clay matter, cementaceous prefabrication type body.As vacuum equipment being installed in vacuum (-tight) housing top, just easy sheet forming is anytime anywhere carried out on vacuum equipment and the combined utensil of the present invention ground with certain Pingdu that is transported to capable of hoisting.
Description of drawings
Fig. 1 is a structural representation of the present invention;
Fig. 2 is a concrete electric control theory figure of electromagnet among the present invention;
Among the figure: the 1-pedestal; The 2-upper framework; The 3-column; The 4-electromagnet; The 5-vacuum (-tight) housing; The 6-oil cylinder; 7-compresses spring; The 8-supporting plate; The 9-drive link; The 10-vibration plate; 11-moves iron core; The 12-solenoid; The 13-static iron core; The 14-transport tape; The 15-backing plate; The 16-circular shaft; 17-tubulose circle cover.
The specific embodiment
Embodiment 1
Electromagnetic combined apparatus for synthesizing stone pressure plate, comprise pedestal 1, be fixed in the upper framework 2 of pedestal 1 top by 3 on column, place the vacuum (-tight) housing that is built-in with supporting plate 85 of pedestal 1 top, upper framework 2 is provided with the oil cylinder 6 of control vacuum (-tight) housing 5 liftings, vacuum (-tight) housing 5 inner shoes 8 are provided with electromagnet 4 in groups, supporting plate 8 belows are provided with pressing element, be vertically installed with the drive link 9 that passes supporting plate 8 on the pressing element, be provided with copper sheathing with drive link 9 cooperation places on the supporting plate 8, drive link 9 ends are connected with the moving iron core 11 of electromagnet 4 by connector, be provided with between connector and electromagnet 4 bases and cooperate electromagnet 4 work to make drive link 9 reciprocating compression springs 7, described pressing element includes consistent with electromagnet 4 numbers on the supporting plate 8, and rearrange the vibration plate 10 of rectangle pressing element at grade with matrix, vibration plate 10 is corresponding one by one with electromagnet 4 on the supporting plate 8, and each vibration plate 10 is connected with the moving iron core 11 of electromagnet 4 by drive link 9.Described vibration plate 10 lower surfaces that rearrange the rectangle pressing element with matrix at grade are pasted with whole backing plate 15; Described backing plate 15 is the rubber slab or the polyamine ester board of 2-8mm thickness.
It is that the 1-8cm and the length of side are the square bar product of 8-165cm that described vibration plate adopts thickness, and vibration plate is adjacent on the side of vibration plate contact and is equiped with the housing that high-abrasive material is made, to prevent that vibration plate from rubbing for a long time with adjacent vibration plate in vibration, avoid the problem that shortens its service life; At this moment, each vibration plate is separate, does not connect mutually, and its vibration is the stepped form of beating one by one;
To constitute pressing elements is example to use 12 vibration plates, and promptly the correspondence on the supporting plate is provided with 12 electromagnet, and 12 vibration plates and electromagnet are all arranged with 3 * 4 matrixes, and control with the through-flow order of one tunnel 12 beat.As shown in Figure 2, the solenoid of 12 electromagnet is followed successively by W1, W2, W3, W4, W5, W6, W7, W8, W9, W10, W11 and W12, three-phase alternating current K switch 1 is through three forward IGCT T1, T3, T5 and three reverse IGCT T2, T4, T6 is respectively with six solenoid W2 of star connection, W6, W10, W4, W8, the head end of W12 connects respectively, other six solenoid W1, W5, W9, W3, W7, the end of W11 and three-phase capacitor set associative, six solenoid W2 of head end and star connection, W6, W10, W4, W8, the head end of W12 connects respectively.
Above-mentioned control circuit for electromagnet is when controlling the angle of electromagnet conducting electric current with the phase shift triggering mode, its terminal solenoid and capacitor that connects three groups of electromagnet of three-phase condenser bank constitutes series resonant circuit, the electromotive force and the current phase of its coil are shifted to leading direction, and make the solenoid space of its 12 electromagnet approach 30 ° of electrical angles; In the conducting that at interval 60 ° of voltage phase angles trigger successively of its three pairs of IGCTs, utilize the capacitor phase shift to approach 30 ° characteristics, 12 vibration plates that link with the moving iron core of electromagnet are moved successively and the row that forms in the vibration moves power by 12 beats.The active force that is controlled by to the vibration plate dominance electromagnet and spring, the leakage field that also is subjected to electromagnet produces the assistance force of adhesion and inertia to the magnetization of steel vibration plate, and then makes and arrange and the motion of relatively independent vibration plate forms certain consecutive by matrix.
Embodiment 2
Electromagnetic combined apparatus for synthesizing stone pressure plate, comprise pedestal 1, be fixed in the upper framework 2 of pedestal 1 top by 3 on column, place the vacuum (-tight) housing that is built-in with supporting plate 85 of pedestal 1 top, upper framework 2 is provided with the oil cylinder 6 of control vacuum (-tight) housing 5 liftings, vacuum (-tight) housing 5 inner shoes 8 are provided with electromagnet 4 in groups, supporting plate 8 belows are provided with pressing element, be vertically installed with the drive link 9 that passes supporting plate 8 on the pressing element, be provided with copper sheathing with drive link 9 cooperation places on the supporting plate 8, drive link 9 ends are connected with the moving iron core 11 of electromagnet 4 by connector, be provided with between connector and electromagnet 4 bases and cooperate electromagnet 4 work to make drive link 9 reciprocating compression springs 7, described pressing element includes consistent with electromagnet 4 numbers on the supporting plate 8, and rearrange the vibration plate 10 of rectangle pressing element at grade with matrix, vibration plate 10 is corresponding one by one with electromagnet 4 on the supporting plate 8, and each vibration plate 10 is connected with the moving iron core 11 of electromagnet 4 by drive link 9.Described vibration plate 10 lower surfaces that rearrange the rectangle pressing element with matrix at grade are pasted with whole backing plate 15; Described backing plate 15 is the rubber slab or the polyamine ester board of 2-8mm thickness.
With realize the length and width specification be 305 * 165cm big specification synthetic quartz stone thin plate be shaped to example, its basic recipe (percentage by weight) is: granularity is that the quartz sand of 5-80 mesh and silica sand 60-85, granularity are siliceous fine powder 10-30, unsaturated-resin and the curing agent 5-10 of 200-800 mesh; Wherein, siliceous particle has obvious edges and corners and mixed material body has the two big characteristics that stickiness is this prescription.If make the sheet material of its moulding reach 2.55g/cm 3And above packing, apply the vibration frequency of 70-200HZ to the material body, approach-vacuum and the 300KN/m of 0.1Mpa 2Above exciting force is the technological parameter of its three cruxs.
For vibration frequency and the 300KN/m that reaches 70-200HZ 2Above exciting force, when implementing, the present invention adopts 24 electromagnet, and arranges on the supporting plate that is arranged in the vacuum (-tight) housing with 4 * 6 matrixes, the vibration plate that promptly adopts 24, arranges with 4 * 6 matrixes is fixedlyed connected on every vibration plate moving iron core by 2-6 root drive link and respective electrical magnet; It is that the Chinese patent application of " non feedback type AC frequency conversion apparatus for asynchronous motor " is disclosed: the technical scheme of 12 inverter bridge and 12 capacitance bridges that the control circuit of electromagnet can adopt denomination of invention, commutation mode with 24 beats makes 24 electromagnet produce electromagnetic attraction successively, and 24 vibration plates of linkage produce undulatory vibration processes.Vibration plate 10 be adjacent vibration plate 10 over against side top be welded with and be used to make adjacent two vibration plates 10 by wearing the hinged tubuloses circle cover 17 of connection circular shaft 16; Like this, it is can be reclinate flexible whole to make that adjacent vibration plate is coupled to junction, and every plate plays related assistance force to adjacent vibration plate when vibration.
In addition, described electromagnet adopts that application number is 200810054684.8, name is called the electromagnet that disclosed dynamic and static iron core in the Chinese patent application of " electromagnetic artificial quartz in lump forming device " adopts cone air gap fit structure, makes that electromagnetic attraction improves, electromagnetic power descends; The described compression spring that is arranged between connector and the electromagnet base comprises lifting spring and buffering spring, and wherein, the height ratio that promotes spring and buffer spring is 1-4:1, and the compression stress ratio is 1:2-5.And can realize moving up and down of drive link, and then adjust the distance of vibration plate with respect to transport tape on the pedestal by regulating the nut of drive link upper end, realize expecting the change of body thickness with this.

Claims (3)

1. electromagnetic combined apparatus for synthesizing stone pressure plate, comprise pedestal (1), be fixed in the upper framework (2) of pedestal (1) top by column (3) frame, place the vacuum (-tight) housing that is built-in with supporting plate (8) (5) of pedestal (1) top, upper framework (2) is provided with the oil cylinder (6) of control vacuum (-tight) housing (5) lifting, vacuum (-tight) housing (5) inner shoe (8) is provided with electromagnet (4) in groups, supporting plate (8) below is provided with pressing element, be vertically installed with the drive link (9) that passes supporting plate (8) on the pressing element, supporting plate (8) is gone up and drive link (9) cooperation place is provided with copper sheathing, drive link (9) end is connected with the moving iron core (11) of electromagnet (4) by connector, be provided with between connector and electromagnet (4) base and cooperate electromagnet (4) work to make the reciprocating compression spring of drive link (9) (7), it is characterized in that: described pressing element includes consistent with last electromagnet (4) number of supporting plate (8), and rearrange the vibration plate (10) of rectangle pressing element at grade with matrix, vibration plate (10) is corresponding one by one with electromagnet (4) on the supporting plate (8), and each vibration plate (10) is connected with the moving iron core (11) of electromagnet (4) by drive link (9).
2. described electromagnetic combined apparatus for synthesizing stone pressure plate according to claim 1, it is characterized in that vibration plate (10) be adjacent vibration plate (10) over against side top be welded with and be used to make adjacent two vibration plates (10) by wearing the hinged tubulose circle cover (17) of connection circular shaft (16).
3. described electromagnetic combined apparatus for synthesizing stone pressure plate according to claim 1 and 2 is characterized in that at grade vibration plate (10) lower surface that rearranges the rectangle pressing element with matrix is pasted with whole backing plate (15).
CN2008100796701A 2008-10-27 2008-10-27 Electromagnetic combined apparatus for synthesizing stone pressure plate Active CN101412245B (en)

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Application Number Priority Date Filing Date Title
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CN101412245B true CN101412245B (en) 2010-09-15

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102785282B (en) * 2012-08-27 2014-04-09 刘建平 Spring support type quartzite forming device
CN106383580A (en) * 2016-09-21 2017-02-08 穆特科技(武汉)股份有限公司 Array type electromagnetic strike control method
CN107791576A (en) * 2017-11-08 2018-03-13 佘峰 A kind of Making mold device with shock-absorbing denoising function
CN111483034B (en) * 2020-05-25 2021-08-20 南通华兴磁性材料有限公司 Forming method of flat ultra-thin manganese-zinc ferrite magnetic core

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Patentee before: Liu Jianping