CN2302859Y - Oscillation apparatus for cast stock continuous casting and crystallizer - Google Patents
Oscillation apparatus for cast stock continuous casting and crystallizer Download PDFInfo
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- CN2302859Y CN2302859Y CN 97225759 CN97225759U CN2302859Y CN 2302859 Y CN2302859 Y CN 2302859Y CN 97225759 CN97225759 CN 97225759 CN 97225759 U CN97225759 U CN 97225759U CN 2302859 Y CN2302859 Y CN 2302859Y
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- vibrating device
- flat spring
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Abstract
The utility model relates to the vibrating device of a crystallizer used for continuously casting square blanks, which is composed of a vibrating table rack of the crystallizer, a guiding arm of a plate spring, a box body of a vibrating device, a rigid transmission arm, a driving system, etc. One end of a guiding arm of the plate spring is fixed on the vibrating table rack and the other end is fixed on the box body of the vibrating device. One end of the rigid transmission arm is connected with the vibrating table rack be a bearing and the other end is connected with a vibration driving system. The mechanism with four connecting rods is formed by the combination of the components. The movement imitating arc lines is realized by the crystallizer strictly according to the radius of the casting machine by being driven by the vibration driving system. The utility model has the characteristics of stable vibration on the crystallizer, small transverse deflection, high arc imitating precision and convenient repair.
Description
The utility model relates to a kind of billet continuous casting crystallizer novel vibrating device, and it is the mould vibration device that metal liquid directly is cast as the circular-arc type continuous casting machine special use of solid square billet in the metallurgical process.The billet continuous casting water mold is placed on the crystallizer vibration platform of this vibration device, and under the drive of this vibration device, crystallizer is pressed the specific radius of casting machine and realized strict imitative arc vibration.
At present, mainly contain three kinds with the vibrating device technology at the existing billet continuous casting in metallurgical continuous casting field, the one, the rigidity quadric chain, the 2nd, full flat spring vibrating mechanism, three is half flat spring vibrating mechanisms.First kind of vibrating device is traditional vibrating device, and second and third kind is emerging in recent years vibrotechnique.[metallurgical technology] 1994 the 4th phases " development of arc continuous small-billet casting mould vibration device " literary composition is analyzed above-mentioned various dissimilar vibrating devices.In first kind of vibrating device, as CONCAST type vibrating device, its a pair of leading arm and transmission arm are rigid rod, and they link to each other totally 8 of connection bearings by the mode of bearing with mold oscillation stand, vibrating device box frame.The problem that this a kind of version in use exists mainly shows: 1, use the rear bearing serious wear in the long period, easily cause the beat phenomenon of vibration, influence carrying out smoothly of casting process, increased the bleed-out accident rate.2, impacting under the effect of planting, easily cause the damage of reductor and motor.
Chinese patent ZL93212531.X and ZL95231735.4 provide two full flat spring vibrating mechanisms.Their common feature is: 1, a pair of upward leading arm and the following leading arm in the quadric chain all adopts latch plate, eight connection bearings have been cancelled, 2, the vibratory drive system directly links to each other with the mold oscillation stand, and the eccentric rotary by single-point makes the mold oscillation stand realize up-down vibration.The great advantage of this version is to have cancelled whole connection bearings of linkage, has overcome because the wobble beat that bearing wear produced has been simplified maintenance of equipment; The shortcoming of this structure is to have lacked the rigidity guide effect in the quadric chain, if hard thing jam or load are inhomogeneous, easily causes arc radius both sides, garden latch plate discontinuity even, thereby produces wobble beat.
" development of arc continuous small-billet casting mould vibration device " literary composition also provides a kind of half flat spring: i.e. Three Diamond vibrating device, the characteristics of this mechanism: 1, the last leading arm of vibrating mechanism is a pair of flat spring, the one end is fixed on the inner arc framework platform, the other end is fixed on the crystallizer vibration platform, and two fixed endpoints lay respectively at the both sides of crystallizer center of gravity.2, the underdrive arm is a rigid rod, and the one end links to each other with the inner arc framework platform, and the other end links to each other with transmission mechanism on being installed in the outer arc platform, has a strong point to link to each other with crystallizer vibration platform between two-end-point, and shake table can rotate around this point.By this point, the underdrive arm supports crystallizer and shake table total weight.The advantage of this mechanism: four connection bearings 1, having cancelled last leading arm; Also just overcome the wobble beat that bearing wear produces.2, the suffered pulling force of leading arm is very little on the flat spring, the life-span that is easy to improve the plate bullet.The shortcoming of this mechanism: 1, because flat spring is arranged in the both sides of crystallizer, crystallizer excessive steel easy burn-out flat spring suitable for reading in the actual production.Therefore in this mechanism, the reason that flat spring damages mainly burns out, rather than comes from mechanical force.2, an end of vibrating device is installed on the inner arc framework platform, and the other end is installed on the outer arc framework platform, so its installation, dismounting, maintenance difficulty relatively.3, because the suffered pulling force of flat spring is very little, moving upward to transfer at shake table moves downward, and the acceleration direction is opposite with gravity direction, easily cause flat spring to be stressed, and flat spring can not bear pressure, and the pressure effect will make crystallizer generation beat.
The purpose of this utility model is wobble beat, flat spring damage and the problems such as motor, reductor damage that exist in the existing vibrating device technology in order to overcome.Provide a kind of simple in structure, easy to replace and maintain, vibration is steady, and laterally beat is little, the billet continuous casting mould vibration device that precision of simulated arc is high.No matter adopting outer arc still is under the inner arc vibration condition, can both make crystallizer realize strict imitative arc vibration, and this structure is particularly useful for the transformation of quadric chain vibration mode.
Major technique of the present utility model thes contents are as follows:
This novel crystallization device vibrating device mainly by: mold oscillation stand 2, the non-transmission leading arm 3 of flat spring, vibrating device static housing 4, positive drive arm 5 and vibratory drive system 6 etc. form.Its design feature is: flat spring leading arm 3, positive drive arm 5, mold oscillation stand 2, vibrating device static housing 4 are united formation four link motion mechanisms, one end of the non-transmission leading arm 3 of flat spring (with pressing plate and bolt) is fixedlyed connected with mold oscillation stand 2, and the other end is fixedlyed connected with vibrating device casing 4.One end of positive drive arm 5 is connected with mold oscillation stand 2, and tie point is A; The other end is connected with the eccentric ratio of vibratory drive system 6, and tie point is C; Between positive drive arm two-end-point A, C, there is 1 B to link to each other with vibrating device casing 4; All dispose rotatable bearing at tie point A, B, C place, make the positive drive arm 5 can be in these 3 rotations.On vibrating device casing 4 and the casting machine operating platform or down shaking platform link to each other, form and vibrate and the strong point of weight.The extended line of flat spring leading arm 3 and rigidity biography advise the line of centres extended line of arm run-on point A, B and the radius center of circle O of casting machine setting to intersect; Under the driving of vibratory drive system 6, make crystallizer 1 realize strict imitative arc vibration along casting machine radius camber line 7.
For the casting machine of different radii, in design was implemented, the position of extended line that can be by adjusting flat spring 3 and positive drive arm run-on point A, B central point line extended line intersection point made it to be complementary with the casting machine radius.The precision of simulated arc of mold oscillation depends on the effective length of flat spring 3 and A, B distance between two points, correctly selects above-mentioned length that the mold oscillation deviation is strict controlled in the allowed band.On the basis of satisfying above-mentioned imitative arc vibration condition, mould vibration device can be installed in inner arc (seeing embodiment Fig. 1) according to the casting machine designing requirement also can be installed in outer arc (seeing embodiment Fig. 2), that is: the inner arc mode of vibration can be realized, also the outer arc mode of vibration can be realized.
In this vibration device, flat spring leading arm 3 is in the tensile force state that is subjected to all the time, the size of this tensile force is directly proportional with crystallizer and mold oscillation stand weight, be directly proportional with the horizontal range of crystallizer center of gravity, be inversely proportional to the distance of flat spring leading arm to positive drive arm A, B section to strong point A.In actual the use, in order to reduce the suffered tensile force of flat spring, improve the service life of flat spring, in the design except that the relation that will consider above-mentioned power, structurally can be between mold oscillation stand and vibrating device static housing installation pretightening force spring 8 (seeing embodiment Fig. 5); Can also reach same purpose by the version that changes flat spring, as in order to reduce the bending strain of flat spring under vibration condition, the single monolayer thick leaf spring can be made into two layers or multilayer thin plate spring (seeing embodiment Fig. 3), as in order to improve the anti-polarization capacity of flat spring under the eccentric load effect and to economize on material, entire plate spring leading arm can be divided into two or more narrow latch plates or narrow groups of springs (seeing embodiment Fig. 4).
According to the casting machine physical condition, vibratory drive system 6 can be arranged on the shaking platform 9, also can be fixed on vibrating device casing rear portion (seeing embodiment Fig. 6).Can set up buffer spring 10 between positive drive arm 5 and the shaking platform 9 or between positive drive arm 5 and vibrating device casing 4, set up buffer spring 11 (seeing embodiment Fig. 7,8) the percussion of reductor and motor in order to reduce in the vibration processes dynamic loading.
The amplitude of this vibrating device is 0-± 15mm, and vibration frequency is 0-350 time/minute.
The utility model advantage:
1, adopts flat spring as non-transmission leading arm, cancelled four rolling bearings, also just overcome because the vibration beat that bearing wear caused.
2, a pair of rigid arm in the employing quadric chain is as transmission arm, and its two ends are connected with the mold oscillation stand with the vibratory drive system respectively, has strengthened the rigidity and the anti-bias load ability of vibration, can overcome the vibration beat that impact and unbalance loading are caused effectively.
3, in this mechanism design, the power effect that stretched all the time of flat spring leading arm has also just overcome the vibration beat that the leaf spring compressive deformation is caused.
4, simple in structure, be convenient to safeguard, change, be particularly useful for the existing vibrational system transformation of adopting galianconism four connecting rod vibrating mechanism casting machines.
5, adopt flat spring to make leading arm, can further improve vibration frequency, satisfy the requirement frequently of shaking of high pulling rate.
The utility model is described in further detail below in conjunction with accompanying drawing.
The vibrating device structural representation that Fig. 1 inner arc is placed.
The vibrating device structural representation that Fig. 2 outer arc is placed.
The structural representation of the flat spring leading arm 3 that Fig. 3 multilayer is arranged.
The structural representation of the flat spring leading arm 3 that Fig. 4 is made up of many narrow boards springs.
Fig. 5 is installation pretightening force adjustable springs device 8 structural representations between mold oscillation stand 2 and vibrating device casing 4.
Fig. 6 vibratory drive system is installed in the structural representation at the rear portion of vibrating device casing 4.
Fig. 7 sets up the structural representation of buffering adjustable springs device 10 between positive drive arm 5 and shaking platform 9.
Fig. 8 sets up the structural representation of buffering adjustable springs device 11 between positive drive arm 5 and vibrating device casing 4.
Each piece number explanation among the above-mentioned figure:
The 1-crystallizer, 2-mold oscillation stand, 3-flat spring leading arm, 4-vibrating device casing, 5-positive drive arm, 6-vibratory drive system (comprising motor, reductor and eccentric ratio), 7-vibration benchmark camber line, 8-pretightning force adjustable springs, 9-shaking platform, 10-buffering adjustable springs device, 11-buffering adjustable springs device, 12-flat spring pressing plate, 13-set bolt, A, B, C-rigidity pass the run-on point on the arm, the O-casting machine radius center of circle.
Claims (7)
1, a kind of billet continuous casting mould vibration device, it is made up of mold oscillation stand 2, flat spring leading arm 3, vibrating device casing 4, positive drive arm 5 and vibratory drive system 6, it is characterized in that flat spring leading arm 3, positive drive arm 5, mold oscillation stand 2, vibrating device static housing 4 are united constitutes four link motion mechanisms, non-transmission leading arm 3 one ends of flat spring are fixedlyed connected with mold oscillation stand 2, the other end is fixedlyed connected with vibrating device casing 4, one end of positive drive arm 5 is connected with mold oscillation stand 2, and tie point is A; The other end is connected with the eccentric ratio of vibratory drive system 6, and tie point is C; Between positive drive arm two-end-point A, C, there is 1 B to link to each other with vibrating device casing 4; All dispose rotatable bearing at tie point A, B, C place, make the positive drive arm 5 can be in these 3 rotations, the extended line of the center line line of the extended line of flat spring leading arm 3 and positive drive arm run-on point A, B and the center of circle O of casting machine intersect; Under the driving of vibratory drive system 6, make crystallizer 1 realize strict imitative arc vibration along casting machine radius camber line 7.
2, vibrating device according to claim 1 is characterized in that vibrating device and casting machine center of radius homonymy or the heteropleural at vibration camber line 7, can realize the inner arc mode of vibration that is:, also can realize the outer arc mode of vibration.
3, vibrating device according to claim 1 and 2 is characterized in that flat spring leading arm 3 can be made of a flat spring, also can be constituted or is constituted with several groups narrow spring lath by which floor flat spring.
4, vibrating device according to claim 1 and 2, it is characterized in that can be between mold oscillation stand 2 and vibrating device static housing 4 can installation pretightening force adjustable springs 8, guaranteeing that the non-transmission leading arm 3 of flat spring is stretched under the prerequisite of power effect all the time, reduces flat spring leading arm 3 suffered tensile forces.
5, vibrating device according to claim 1 and 2 is characterized in that: its vibratory drive system 6 can be fixed on the shaking platform 9, also can be fixed on vibrating device casing rear portion.
6, vibrating device according to claim 1 and 2, it is characterized in that: in order to reduce vibratory impulse, can between positive drive arm 5 and shaking platform 9, set up buffering adjustable springs 10, or between positive drive arm 5 and vibrating device casing 4, set up buffering adjustable springs 11.
7, vibrating device according to claim 1 and 2 is characterized in that: amplitude is 0-± 15mm, and vibration frequency is 0-350 time/minute.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 97225759 CN2302859Y (en) | 1997-09-08 | 1997-09-08 | Oscillation apparatus for cast stock continuous casting and crystallizer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 97225759 CN2302859Y (en) | 1997-09-08 | 1997-09-08 | Oscillation apparatus for cast stock continuous casting and crystallizer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2302859Y true CN2302859Y (en) | 1999-01-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 97225759 Expired - Fee Related CN2302859Y (en) | 1997-09-08 | 1997-09-08 | Oscillation apparatus for cast stock continuous casting and crystallizer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2302859Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102218513A (en) * | 2011-07-29 | 2011-10-19 | 中冶连铸技术工程股份有限公司 | Bidirectional-bearing arc-simulating vibration device for half-plate spring |
-
1997
- 1997-09-08 CN CN 97225759 patent/CN2302859Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102218513A (en) * | 2011-07-29 | 2011-10-19 | 中冶连铸技术工程股份有限公司 | Bidirectional-bearing arc-simulating vibration device for half-plate spring |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |