TWM535609U - Device for rolling continuous casting slab corner - Google Patents
Device for rolling continuous casting slab corner Download PDFInfo
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- TWM535609U TWM535609U TW105209138U TW105209138U TWM535609U TW M535609 U TWM535609 U TW M535609U TW 105209138 U TW105209138 U TW 105209138U TW 105209138 U TW105209138 U TW 105209138U TW M535609 U TWM535609 U TW M535609U
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Description
本創作關於金屬凝固和連續鑄造領域,特別是一種進行連鑄坯角部軋製的裝置。 This work relates to the field of solidification and continuous casting of metals, and in particular to a device for performing corner casting of continuous casting billets.
隨著世界冶金技術的發展,現代連鑄技術不斷進步,可澆鑄鋼種不斷擴大,一些高合金、高品質、高裂紋敏感性鋼種已經不斷在大型鋼鐵企業連鑄生產流程中得以生產。尤其是近期中厚板生產技術的發展,板材的軋製寬度不斷增大。隨著連鑄坯展寬比的增加,中厚板的邊直裂或翹皮缺陷更加嚴重,鋼鐵企業不得不採用增大裁邊量、降低成材率的方式滿足品質的要求。這就造成企業生產成本的大幅增加。 With the development of metallurgical technology in the world, modern continuous casting technology has been continuously improved, and castable steels have been continuously expanded. Some high-alloy, high-quality, high crack-sensitive steel grades have been continuously produced in the continuous casting production process of large steel enterprises. Especially in the recent development of plate production technology, the rolling width of plates has been increasing. With the increase of the ratio of the continuous casting billet, the edge cracking or warping defects of the medium and heavy plate are more serious. The steel enterprises have to meet the quality requirements by increasing the amount of trimming and reducing the yield. This has led to a significant increase in the cost of production.
為此,冶金工作者除了在鋼水品質、二冷技術、合理軋製方面進行優化外,所採取的一個主要技術手段就是採用帶倒角的結晶器技術。在習知技術中,採用側面帶倒角的結晶器技術是比較普遍的。儘管採用帶倒角的結晶器技術可以有效的解決連鑄坯角部橫裂紋的問題,但是,大量生產實踐結果表明:採用上述參數的倒角結晶器技術生產出來的連鑄坯,由於其倒角面與連鑄坯上下寬面形成的倒角角度較小,一 般都小於135°,造成該形狀的連鑄坯在隨後的軋製過程中並不能完全消除板帶材的邊部直裂或翹皮等缺陷。 To this end, in addition to the optimization of molten steel quality, secondary cooling technology and reasonable rolling, metallurgical workers have adopted a crystallizer technology with chamfering. In the prior art, the use of side chamfered crystallizer technology is relatively common. Although the use of chamfered crystallizer technology can effectively solve the problem of transverse cracks in the corner of continuous casting billet, the results of mass production practice show that the continuous casting billet produced by the chamfering crystallizer technology with the above parameters is due to its pouring The chamfer angle formed by the angle surface and the upper and lower wide faces of the continuous casting blank is small, one Generally, it is less than 135°, and the continuous casting of the shape does not completely eliminate the defects such as straight cracking or warping of the edge of the strip during the subsequent rolling process.
因此,國內外一些冶金工作者開發了對連鑄坯的角部進行軋製的方法,以獲得角部形狀更加合理的連鑄坯。 Therefore, some metallurgical workers at home and abroad have developed a method of rolling the corners of the continuous casting billet to obtain a more continuous casting billet with a more angular shape.
例如,本申請的申請人於2014年3月13日申請的中國實用新型專利CN203725727U,提供了“一種對帶倒角連鑄坯進行角部變形的支撐輥裝置”,其在鑄機扇形段的內外弧上設置了四個可移動的支撐輥裝置,以對連鑄坯的四角進行變形軋製,藉此更進一步優化角部形狀,以期望滿足中厚板展寬軋製過程中消除邊部直裂或翹皮等缺陷的需求。但是,實際生產中連鑄坯的位置和寬度會隨連鑄製程制度的變化而產生變化。因此,利用四個支撐輥對連鑄坯的四個角進行軋製就必須對連鑄坯的角部位置進行動態監控,並及時回饋給四個支撐輥控制油缸,以動態調整支撐輥位置。這就需要比較複雜的自動控制系統以及頻繁的設備動作,並由此造成投資大、設備的維護難度大。 For example, the Chinese utility model patent CN203725727U filed on March 13, 2014 by the applicant of the present application provides "a support roller device for corner deformation of a chamfered continuous casting billet", which is in the fan segment of the casting machine. Four movable support roller devices are arranged on the inner and outer arcs to deform and roll the four corners of the continuous casting blank, thereby further optimizing the shape of the corners, in order to meet the requirements of eliminating the straight edges during the plate widening and rolling process. The need for defects such as cracks or bumps. However, the position and width of the continuous casting billet in actual production will vary with the change of the continuous casting process system. Therefore, the four corners of the continuous casting billet are rolled by four supporting rollers, and the corner position of the continuous casting billet must be dynamically monitored and fed back to the four supporting roller control cylinders in time to dynamically adjust the position of the supporting roller. This requires a relatively complicated automatic control system and frequent equipment movements, which results in large investment and difficult maintenance of equipment.
針對上述習知技術中存在的缺陷和不足,本創作的目的在於提供一種進行連鑄坯角部軋製的裝置,其倒角軋輥由液壓缸驅動,在無轉動驅動條件下對連鑄坯角部進行變形軋製,只需合理控制液壓的壓力即可滿足軋角和軋輥動態移動的需求,而獲得合理的連鑄坯角部形狀,以避免連鑄坯在隨後的軋製過程中,邊直裂或翹皮等缺陷的發生。 In view of the defects and deficiencies in the above-mentioned prior art, the purpose of the present invention is to provide a device for performing corner casting of a continuous casting billet, wherein the chamfering rolls are driven by hydraulic cylinders, and the slab corners are driven without rotation. The deformation rolling is carried out, and only the hydraulic pressure can be properly controlled to meet the requirements of the rolling angle and the dynamic movement of the rolls, and a reasonable continuous casting billet shape can be obtained to avoid the continuous casting billet in the subsequent rolling process. Defects such as straight cracks or bumps.
為了達到上述目的,本創作提供技術手段如下: 一種進行連鑄坯角部軋製的裝置,包括倒角軋輥、軋輥支撐框架、軋輥移動桿、定位滑道、液壓缸桿、液壓缸、液壓缸支撐座和裝置底座,其中倒角軋輥包括輥體及其轉軸,轉軸的兩端夾持在軋輥支撐框架上;軋輥移動桿由液壓缸驅動在定位滑道上往復運動,以對連鑄坯的進行角部軋製,使連鑄坯形成倒角;液壓缸由液壓缸支撐座支撐;液壓缸支撐座配置在裝置底座上;軋輥支撐框架與軋輥移動桿的一端連接;軋輥移動桿的另一端與液壓缸的液壓缸桿連接;且其中輥體的工作面分為中間部分和兩側的斜面部分,工作面的中間部分是連鑄坯軋角的定位面,兩側的工作面的斜面部分是連鑄坯的軋角面。 In order to achieve the above objectives, this creation provides the following technical means: A device for performing corner casting of continuous casting billet, comprising a chamfering roll, a roll supporting frame, a roll moving rod, a positioning slide, a hydraulic cylinder rod, a hydraulic cylinder, a hydraulic cylinder support seat and a device base, wherein the chamfering roll comprises a roller The body and its rotating shaft, both ends of the rotating shaft are clamped on the roll supporting frame; the roll moving rod is driven by the hydraulic cylinder to reciprocate on the positioning slide to perform corner rolling on the continuous casting blank to form a chamfer of the continuous casting blank The hydraulic cylinder is supported by the hydraulic cylinder support seat; the hydraulic cylinder support seat is disposed on the base of the device; the roll support frame is connected with one end of the roll moving rod; the other end of the roll moving rod is connected with the hydraulic cylinder rod of the hydraulic cylinder; and wherein the roller body The working surface is divided into a middle portion and a bevel portion on both sides, and the middle portion of the working surface is a positioning surface of the continuous casting billet angle, and the inclined surface portion of the working surface on both sides is the rolling angle surface of the continuous casting billet.
較佳地,軋輥支撐框架透過第一連接件與軋輥移動桿的一端連接;軋輥移動桿穿過定位滑道,定位滑道由裝置底座上的凸台支撐;軋輥移動桿的另一端透過第二連接件與液壓缸的液壓缸桿連接。 Preferably, the roll support frame is connected to one end of the roll moving rod through the first connecting member; the roll moving rod passes through the positioning slide, the positioning slide is supported by the boss on the base of the device; and the other end of the roll moving rod passes through the second The connecting piece is connected to the hydraulic cylinder rod of the hydraulic cylinder.
較佳地,倒角軋輥的輥體和轉軸是分體的或者是一個整體。 Preferably, the roller body and the rotating shaft of the chamfering roll are separate or integral.
較佳地,定位滑道是管道狀的或者是多輥支撐狀的。 Preferably, the positioning slide is tubular or multi-roller supported.
較佳地,軋輥支撐框架包括上叉臂和下叉臂,轉軸的兩端夾持在上叉臂和下叉臂之間。 Preferably, the roll support frame includes an upper fork arm and a lower fork arm, and both ends of the rotating shaft are sandwiched between the upper fork arm and the lower fork arm.
較佳地,上叉臂和下叉臂是與軋輥支撐框架為一體的或可拆卸固定的。 Preferably, the upper and lower fork arms are integral with or detachable from the roll support frame.
較佳地,倒角軋輥的內部設置內水冷;或者倒角軋輥的外部設置噴淋冷卻。 Preferably, the inner portion of the chamfering roll is internally water-cooled; or the outer portion of the chamfering roll is provided with spray cooling.
較佳地,裝置安置在連鑄機後部扇形段的位置的設備基座上,或者安置在鑄機二冷段內部。 Preferably, the device is placed on the equipment base at the location of the rear segment of the continuous casting machine or in the second cold section of the casting machine.
較佳地,裝置用於直角連鑄坯的角部軋製和帶倒角連鑄坯的角部軋製。 Preferably, the apparatus is used for corner rolling of right angle continuous casting billets and corner rolling of chamfered continuous casting billets.
較佳地,裝置垂直於連鑄坯拉坯方向放置;或者以如下角度傾斜放置:倒角軋輥在液壓缸作用下向前軋向連鑄坯的運動方向與鑄機拉坯的運動方向成90°~135°放置。 Preferably, the device is placed perpendicular to the direction of the continuous casting blank; or inclined at an angle such that the chamfering roll is rolled forward by the hydraulic cylinder to the direction of movement of the continuous casting blank and 90 degrees of movement of the casting machine blank Place at °~135°.
較佳地,液壓缸可以是電機、電動數位缸和電動液壓缸。 Preferably, the hydraulic cylinders may be electric motors, electric digital cylinders, and electric hydraulic cylinders.
較佳地,裝置適用的連鑄坯厚度為70~500mm。 Preferably, the thickness of the continuous casting blank suitable for the device is 70 to 500 mm.
與習知技術相比,本創作的有益效果在於: 本創作在軋製過程中,只需合理控制液壓的壓力即可滿足軋角和軋輥動態移動的需求,並可獲得優化的連鑄坯角部倒角形狀,該形狀的連鑄坯不僅可以在加熱爐出爐後獲得更加均勻的連鑄坯溫度場,同時對該連鑄坯進行軋製,可以消除板材邊部直裂或翹皮;本創作的裝置製造控制簡單、技術可靠、設備重量輕,並不對連鑄機的生產產生不良影響。 Compared with the prior art, the beneficial effects of the present creation are: In the process of rolling, the hydraulic pressure can be controlled to meet the requirements of the dynamic movement of the rolling angle and the roll, and the optimized chamfer shape of the continuous casting billet can be obtained. The continuous casting billet of the shape can not only be After the furnace is baked, a more uniform temperature field of the continuous casting billet is obtained, and the continuous casting billet is rolled, thereby eliminating the straight crack or warping of the edge of the sheet; the device of the creation is simple in manufacturing control, technically reliable, and light in weight. It does not adversely affect the production of continuous casting machines.
1‧‧‧倒角軋輥 1‧‧‧Chamfering rolls
2‧‧‧軋輥支撐框架 2‧‧‧ Roller support frame
3‧‧‧軋輥移動桿 3‧‧‧ Roller moving rod
4‧‧‧定位滑道 4‧‧‧ positioning slide
5A‧‧‧第一連接件 5A‧‧‧First connector
5B‧‧‧第二連接件 5B‧‧‧Second connection
6‧‧‧液壓缸桿 6‧‧‧Hydraulic cylinder rod
7‧‧‧液壓缸 7‧‧‧Hydraulic cylinder
8‧‧‧液壓缸支撐座 8‧‧‧Hydraulic cylinder support
9‧‧‧裝置底座 9‧‧‧ device base
10‧‧‧設備基座 10‧‧‧ equipment base
11‧‧‧連鑄坯 11‧‧‧Continuous slab
12‧‧‧多輥支撐狀的定位滑道 12‧‧‧Multi-roller support positioning guide
13‧‧‧輥體 13‧‧‧ Roll body
14‧‧‧轉軸 14‧‧‧ shaft
15‧‧‧工作面的中間部分 15‧‧‧The middle part of the work surface
16‧‧‧工作面的斜面部分 16‧‧‧Slope portion of the work surface
171‧‧‧上叉臂 171‧‧‧Upper arm
172‧‧‧下叉臂 172‧‧‧ lower wishbone
18‧‧‧螺栓 18‧‧‧ bolt
圖1為本創作的進行連鑄坯角部軋製的裝置的示意圖。 Fig. 1 is a schematic view of the apparatus for performing corner casting of continuous casting billet.
圖2為定位滑道是多輥支撐狀的方式的示意圖。 Figure 2 is a schematic illustration of the manner in which the positioning slide is a multi-roller support.
圖3為倒角軋輥是一個整體的示意圖。 Figure 3 is a schematic view of the chamfering roll as a whole.
圖4為倒角軋輥是分體的示意圖。 Figure 4 is a schematic illustration of the chamfered rolls being split.
圖5為軋輥支撐框架的上下叉臂為分體的示意圖。 Figure 5 is a schematic view of the upper and lower fork arms of the roll support frame being separated.
下面結合圖式和實施例對本創作的具體實施方式作進一步說明,但並不以此為限。 The specific embodiments of the present invention are further described below in conjunction with the drawings and the embodiments, but are not limited thereto.
如圖1所示,為本創作的進行連鑄坯角部軋製的裝置的示意圖。該裝置包括倒角軋輥1、軋輥支撐框架2、軋輥移動桿3、定位滑道4、液壓缸桿6、液壓缸7、液壓缸支撐座8和裝置底座9。 As shown in Fig. 1, a schematic view of an apparatus for performing corner casting of a continuous casting billet is shown. The apparatus comprises a chamfering roll 1, a roll support frame 2, a roll moving rod 3, a positioning slide 4, a hydraulic cylinder rod 6, a hydraulic cylinder 7, a hydraulic cylinder support base 8, and a device base 9.
倒角軋輥1包括輥體13和轉軸14,輥體13裝設在轉軸14上,轉軸14的兩端夾持在軋輥支撐框架2上。軋輥支撐框架2透過第一連接件5A與軋輥移動桿3的一端連接。軋輥移動桿3穿過定位滑道4,定位滑道4由裝置底座9上的凸台支撐。軋輥移動桿3的另一端透過第二連接件5B與液壓缸7的液壓缸桿6連接。液壓缸7由液壓缸支撐座8支撐。液壓缸支撐座8配置在裝置底座9上。軋輥支撐框架2與軋輥移動桿3的一端連接;軋輥移動桿3的另一端與液壓缸7的液壓缸桿6連接。其中,輥體13的側面是工作面,工作面的中間部分15是連鑄坯軋角的定位面,兩側的工作面的斜面部分16是連鑄坯的軋角面。 The chamfering roll 1 includes a roller body 13 and a rotating shaft 14, and the roller body 13 is mounted on the rotating shaft 14, and both ends of the rotating shaft 14 are clamped on the roll supporting frame 2. The roll support frame 2 is connected to one end of the roll moving rod 3 through the first connecting member 5A. The roll moving rod 3 passes through the positioning slide 4, which is supported by the boss on the device base 9. The other end of the roll moving lever 3 is connected to the cylinder rod 6 of the hydraulic cylinder 7 through the second connecting member 5B. The hydraulic cylinder 7 is supported by a hydraulic cylinder support base 8. The hydraulic cylinder support base 8 is disposed on the apparatus base 9. The roll support frame 2 is connected to one end of the roll moving rod 3; the other end of the roll moving rod 3 is connected to the hydraulic cylinder rod 6 of the hydraulic cylinder 7. Wherein, the side surface of the roller body 13 is a working surface, and the intermediate portion 15 of the working surface is a positioning surface for the slab casting angle, and the inclined surface portion 16 of the working surfaces on both sides is a slanting surface of the continuous casting slab.
如圖3所示,倒角軋輥1的輥體13和轉軸14可以是一個整體;也可以是如圖4所示的分體。 As shown in Fig. 3, the roller body 13 and the rotating shaft 14 of the chamfering roll 1 may be one unitary; or may be a separate body as shown in Fig. 4.
定位滑道4可以是如圖1所示的管道狀,也可以是如圖2所示的多輥支撐狀的定位滑道12,還可以是其它的定位形式。 The positioning chute 4 may be in the shape of a pipe as shown in FIG. 1, or may be a multi-roller-supported positioning chute 12 as shown in FIG. 2, or may be in other positioning forms.
軋輥支撐框架2可以包括上叉臂171和下叉臂172,轉軸14的兩端可以夾持在上叉臂171和下叉臂172之間。如圖1所示,上叉臂171和下叉臂172可以是與軋輥支撐框架2一體的。為了倒角軋輥1安裝方便, 上叉臂171和下叉臂172還可以是如圖5所示d的與軋輥支撐框架2分體的,上叉臂171和下叉臂172分別透過螺栓18連接到軋輥支撐框架2上。 The roll support frame 2 may include an upper fork arm 171 and a lower fork arm 172, and both ends of the rotary shaft 14 may be sandwiched between the upper fork arm 171 and the lower fork arm 172. As shown in FIG. 1, the upper fork arm 171 and the lower fork arm 172 may be integral with the roll support frame 2. For the convenience of the chamfering roll 1 installation, The upper fork arm 171 and the lower fork arm 172 may also be separated from the roll support frame 2 as shown in FIG. 5, and the upper fork arm 171 and the lower fork arm 172 are connected to the roll support frame 2 through bolts 18, respectively.
對於不同厚度斷面的連鑄坯11,可以透過更換倒角軋輥1或者更換倒角軋輥1和軋輥支撐框架2來滿足連鑄坯角部軋製的要求。 For the continuous casting blank 11 of different thickness sections, the requirements of the corner rolling of the continuous casting slab can be satisfied by replacing the chamfering roll 1 or replacing the chamfering roll 1 and the roll supporting frame 2.
為了提高倒角軋輥1的使用壽命,使用中,可以在倒角軋輥1的內部設置內水冷,也可以在倒角軋輥1的外部設置噴淋冷卻。 In order to increase the service life of the chamfering roll 1, in use, internal water cooling may be provided inside the chamfering roll 1, or spray cooling may be provided outside the chamfering roll 1.
本創作的裝置可以安置在連鑄機後部扇形段的位置的設備基座10上,也可以安置在鑄機二冷段內部。 The device of the present invention can be placed on the equipment base 10 at the position of the rear segment of the continuous casting machine, or can be placed inside the second cold section of the casting machine.
本創作的裝置可以用於直角連鑄坯的角部軋製,也可以用於帶倒角連鑄坯的角部軋製。 The device of the present invention can be used for corner rolling of a right angle continuous casting billet, or for corner rolling of a chamfered continuous casting billet.
為了克服連鑄坯推力對裝置的影響,該裝置可以垂直於連鑄坯拉坯方向放置;也可以傾斜放置,即倒角軋輥1在液壓缸7作用下向前軋向連鑄坯的運動方向與鑄機拉坯的運動方向成90°~135°放置。 In order to overcome the influence of the continuous casting billet thrust on the device, the device can be placed perpendicular to the direction of the continuous casting billet; or it can be placed obliquely, that is, the chamfering roll 1 is rolled forward by the hydraulic cylinder 7 to the direction of the continuous casting billet. Placed at 90°~135° with the direction of motion of the caster.
倒角軋輥1的驅動力可以是如圖1所示的液壓缸的方式,也可以是其他的方式,如電動的驅動方式,包括電機、電動數位缸、電動液壓缸等。 The driving force of the chamfering roll 1 may be a hydraulic cylinder as shown in FIG. 1, or may be other methods, such as an electric driving method, including a motor, an electric digital cylinder, an electric hydraulic cylinder, and the like.
本創作的裝置在使用時,連鑄坯11左右兩側各安裝一個,隨著鑄機拉坯過程的進行,倒角軋輥1在液壓缸7的作用下對連鑄坯11的角部進行軋製,以實現無轉動驅動條件下的對連鑄坯角部進行變形軋製,使連鑄坯形成倒角。經過倒角後的連鑄坯在隨後的軋鋼過程中,可以有效避免鋼材表面邊部直裂或翹皮缺陷的發生,以減少板帶材的裁邊量,進而提高連鑄坯的成材率。該裝置適用的連鑄坯厚度為70~500mm。 When the device of the present invention is used, one of the left and right sides of the continuous casting blank 11 is installed. As the casting process of the casting machine proceeds, the chamfering roll 1 rolls the corner portion of the continuous casting blank 11 under the action of the hydraulic cylinder 7. The method is to perform deformation rolling on the corner of the continuous casting slab under the condition of no rotation driving, so that the continuous casting blank is chamfered. After the chamfering continuous casting billet, in the subsequent rolling process, the occurrence of straight cracks or warping defects on the edge of the steel surface can be effectively avoided, so as to reduce the amount of trimming of the strip and the billet, thereby improving the yield of the continuous casting billet. The thickness of the continuous casting blank suitable for the device is 70~500mm.
1‧‧‧倒角軋輥 1‧‧‧Chamfering rolls
2‧‧‧軋輥支撐框架 2‧‧‧ Roller support frame
3‧‧‧軋輥移動桿 3‧‧‧ Roller moving rod
4‧‧‧定位滑道 4‧‧‧ positioning slide
5A‧‧‧第一連接件 5A‧‧‧First connector
5B‧‧‧第二連接件 5B‧‧‧Second connection
6‧‧‧液壓缸桿 6‧‧‧Hydraulic cylinder rod
7‧‧‧液壓缸 7‧‧‧Hydraulic cylinder
8‧‧‧液壓缸支撐座 8‧‧‧Hydraulic cylinder support
9‧‧‧裝置底座 9‧‧‧ device base
10‧‧‧設備基座 10‧‧‧ equipment base
11‧‧‧連鑄坯 11‧‧‧Continuous slab
Claims (12)
Applications Claiming Priority (1)
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CN201520424030.5U CN204747439U (en) | 2015-06-18 | 2015-06-18 | Rolling device in continuous casting billet bight carries out |
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Publication Number | Publication Date |
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TWM535609U true TWM535609U (en) | 2017-01-21 |
Family
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Family Applications (1)
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TW105209138U TWM535609U (en) | 2015-06-18 | 2016-06-17 | Device for rolling continuous casting slab corner |
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CN (1) | CN204747439U (en) |
TW (1) | TWM535609U (en) |
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Publication number | Priority date | Publication date | Assignee | Title |
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CN106077550B (en) | 2016-08-22 | 2019-04-02 | 中达连铸技术国家工程研究中心有限责任公司 | It is a kind of to roll angle apparatus with the two roller continuous casting billets for tilting roll |
CN109570301A (en) * | 2018-11-12 | 2019-04-05 | 浙江双飞无油轴承股份有限公司 | One Albatra metal face has the bimetallic strip of oil pit that angle is continuously pressed to form chamfering method with roll-in |
CN110039021A (en) | 2019-05-06 | 2019-07-23 | 中达连铸技术国家工程研究中心有限责任公司 | A kind of pair of continuous casting billet corner rolled it is multi-functional roll angle equipment and method |
CN110814307A (en) * | 2019-11-29 | 2020-02-21 | 江苏永钢集团有限公司 | Method and equipment for producing large-fillet or large-chamfer continuous casting square billet/rectangular billet |
CN112061833B (en) * | 2020-09-01 | 2022-05-13 | 江西江南新材料科技股份有限公司 | Phosphorus copper upward-drawing winding machine |
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