CN108579173A - 一种用于链板带式真空过滤机的螺旋滚轮式刮刀卸料装置 - Google Patents
一种用于链板带式真空过滤机的螺旋滚轮式刮刀卸料装置 Download PDFInfo
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Abstract
本发明公开了一种用于链板带式真空过滤机的螺旋滚轮式刮刀卸料装置,包括有支架,摆悬臂,轴承座,滚刀转子和驱动电机,所述的连接销将支架与摆悬臂上部连接起来,摆悬臂下部通过螺栓与轴承座内侧连接;所述刮刀转子安装在轴承座内,两个定位轮套装在轴承座外侧,通过两边的挡环固定;驱动电机的输出轴通过机座与轴承座连接,本发明在运动中调节刮刀的转速从而有效增加刮刀与滤板表面的接触面积与时间,使卸料工作更加有效,并减少对滤板表面的磨损,从而也延长了刮刀和滤板的使用寿命。
Description
技术领域
本发明涉及一种用于链板带式真空过滤机的螺旋滚轮式刮刀卸料装置。
背景技术
在物料固液分离的过程中,其中一种固相和液相的真空分离法,使用设备为新型链板带式真空过滤机,将料浆放到真空过滤装置的过滤传送带上进行真空固液分离,过滤后过滤板带上的滤饼在滤板带式真空过滤机链轮的首轮端,需要一种卸料装置将其卸下,因过滤板在链轮部位的运动轨迹为多边形转动,现有的固定清扫器式卸料器以及另一种摆锤式自动调节卸料装置和滤板面接触方式不理想,无法有效满足卸料要求。
发明内容
本发明的目的在于提供一种用于链板带式真空过滤机的螺旋滚轮式刮刀卸料装置,以解决上述背景技术中提出的问题。
为实现上述目的,本发明提供如下技术方案:一种用于链板带式真空过滤机的螺旋滚轮式刮刀卸料装置, 包括有支架,摆悬臂,轴承座,滚刀转子和驱动电机,所述的连接销将支架与摆悬臂上部连接起来,摆悬臂下部通过螺栓与轴承座内侧连接;所述刮刀转子安装在轴承座内,两个定位轮套装在轴承座外侧,通过两边的挡环固定;驱动电机的输出轴通过机座与轴承座连接。
优选的,所述支架上设有拉簧,拉簧一端连接支架,另一端与轴承座连接。
优选的,所述的刮刀转子为多片式螺旋结构,有数片刮刀围绕转轴组成,由螺栓固定。
优选的,所述的滚刀转子表面设有一层涂层,该涂层制备方法如下:
S1,滚刀转子表面预处理,先将滚刀转子进行加热脱脂处理,然后在用丙酮清洗表面,最后采用喷砂处理,采用吸射式喷砂,砂粒采用氧化铝,粒度为30目,压缩空气压力为0.35MPa,喷砂角度为650-750,距离400mm,喷枪移动速度30m/min;
S2,喷涂,采用等离子喷涂设备,喷涂前需将粉末在200℃的烘箱内干燥,将滚刀转子预热至110℃;采用间歇式喷涂法,将涂层厚度分成10-14次喷完,每次喷涂厚度为0.02mm-0.05mm,采用经过净化后的干燥压缩空气对工件适当部位吹风冷却以缓解喷涂温升;喷涂部位为刮刀刃部,即带钢的边缘部位,涂层宽度为8mm,粘结底层厚度设计为0.04-O.O6mm,涂层厚度为0.3mm,主气为Ar,辅气为H2,送粉气为N2;
S3,涂层的封孔处理,采用毛刷或喷枪将环氧树脂涂抹在滚刀转子表面,常温下放置24小时即可;
S4,涂层的磨削加工,采用精密磨床加工,粗磨选取粒度为60/70-100/120的金刚石砂轮,精磨选用200/230-325/400的粒度,用无机盐作为磨削剂,精磨时可加入聚已二醇作为润滑剂。
与现有技术相比,本发明的有益效果是:刮刀转子的自重和拉簧将刮刀压向物料过滤板带上,不需要外部施加压力,由于刮刀转子顺着板带运行方向放置,运行期间,定位轮在与滤板同一平面的定位块表面滚动,从而控制摆臂沿着滤板运行轨迹以连接销为轴线前后摆动,始终保持刮刀转子与过滤板之间适当的相对距离,确保刮刀持续有效的对滤板表面进行物料刮离;刮刀设计为多片式螺旋转子结构,可改善刮刀与滤板表面的接触形式,并且能在运动中调节刮刀的转速从而有效增加刮刀与滤板表面的接触面积与时间,使卸料工作更加有效,并减少对滤板表面的磨损,从而也延长了刮刀和滤板的使用寿命。
附图说明
图1为本发明结构示意图。
图2为本发明涂层的磨削加工工艺表。
图3为本发明喷涂工艺表。
图4为本发明陶瓷粉末成表。
图中:1支架,2连接销,3摆悬臂,4轴承座,5拉簧,6定位轮,7挡环,8机座,9驱动电机,10滚刀转子。
具体实施方式
下面将结合本发明实施例中的附图,对本发明实施例中的技术方案进行清楚、完整地描述,显然,所描述的实施例仅仅是本发明一部分实施例,而不是全部的实施例。基于本发明中的实施例,本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例,都属于本发明保护的范围。
请参阅图1,本发明提供一种技术方案:一种用于链板带式真空过滤机的螺旋滚轮式刮刀卸料装置, 包括有支架1,摆悬臂3,轴承座4,滚刀转子10和驱动电机9,所述的连接销2将支架1与摆悬臂3上部连接起来,摆悬臂3下部通过螺栓与轴承座4内侧连接;所述刮刀转子10安装在轴承座4内,两个定位轮6套装在轴承座4外侧,通过两边的挡环7固定;驱动电机9的输出轴通过机座8与轴承座4连接。
支架1上设有拉簧5,拉簧5一端连接支架1,另一端与轴承座4连接,拉簧5控制摆悬臂3复位,使刮刀转子10始终和滤板接触,并可调节间隙。
刮刀转子10为多片式螺旋结构,有数片刮刀围绕转轴组成,由螺栓固定,在刮刀工作面磨损时,可松开螺栓微调刮刀与滤板之间间隙。
在链板带式真空过滤机的过滤链板带的两侧应设有与过滤板同一平面位置,长度相同的窄条定位板,两侧的定位轮6在刮刀转子的自重和拉簧的双重作用下紧贴在定位板上,在过滤板带转动时定位轮在定位板上滚动,从而控制摆悬臂3沿着滤板运行轨迹以连接销2为轴线前后摆动,因为定位轮6的直径与刮刀转子10滚刀的工作直径相同,从而始终保持刮刀转子10与过滤板之间的相对有效及可调距离,确保刮刀持续有效的对滤板表面进行物料刮离。
滚刀转子10表面设有一层涂层,该涂层制备方法如下:
S1,滚刀转子10表面预处理,先将滚刀转子10进行加热脱脂处理,然后在用丙酮清洗表面,最后采用喷砂处理,采用吸射式喷砂,砂粒采用氧化铝,粒度为30目,压缩空气压力为0.35MPa,喷砂角度为650-750,距离400mm,喷枪移动速度30m/min;
S2,喷涂,采用等离子喷涂设备,喷涂前需将粉末在200℃的烘箱内干燥,将滚刀转子10预热至110℃;采用间歇式喷涂法,将涂层厚度分成10-14次喷完,每次喷涂厚度为0.02mm-0.05mm,采用经过净化后的干燥压缩空气对工件适当部位吹风冷却以缓解喷涂温升;喷涂部位为刮刀刃部,即带钢的边缘部位,涂层宽度为8mm,粘结底层厚度设计为0.04-O.O6mm,涂层厚度为0.3mm,主气为Ar,辅气为H2,送粉气为N2;工艺系数请参阅图3;
S3,涂层的封孔处理,采用毛刷或喷枪将环氧树脂涂抹在滚刀转子10表面,常温下放置24小时即可;
S4,涂层的磨削加工,采用精密磨床加工,粗磨选取粒度为60/70-100/120的金刚石砂轮,精磨选用200/230-325/400的粒度,用无机盐作为磨削剂,精磨时可加入聚已二醇作为润滑剂。磨削工艺参数请参阅图2 。
其中喷涂的粉末为陶瓷粉末,在Al2O3,涂层中加入13%的TiO2,虽然硬度比纯Al2O3涂层低1/3,但由于TiO2熔点1845℃ ,氧化铝熔点为2045℃,在喷涂过程中TiO2的熔化程度比氧化铝大,这将有助于涂层中各片层间的结合强度和涂层致密度的提高,降低孔隙率。陶瓷粉末成分请参阅图4。
尽管已经示出和描述了本发明的实施例,对于本领域的普通技术人员而言,可以理解在不脱离本发明的原理和精神的情况下可以对这些实施例进行多种变化、修改、替换和变型,本发明的范围由所附权利要求及其等同物限定。
Claims (4)
1.一种用于链板带式真空过滤机的螺旋滚轮式刮刀卸料装置,其特征是: 包括有支架(1),摆悬臂(3),轴承座(4),滚刀转子(10)和驱动电机(9),所述的连接销(2)将支架(1)与摆悬臂(3)上部连接起来,摆悬臂(3)下部通过螺栓与轴承座(4)内侧连接;所述刮刀转子(10)安装在轴承座(4)内,两个定位轮(6)套装在轴承座(4)外侧,通过两边的挡环(7)固定;驱动电机(9)的输出轴通过机座(8)与轴承座(4)连接。
2.根据权利要求1所述的一种用于链板带式真空过滤机的螺旋滚轮式刮刀卸料装置,其特征是:所述支架(1)上设有拉簧(5),拉簧(5)一端连接支架(1),另一端与轴承座(4)连接。
3.根据权利要求1所述的一种用于链板带式真空过滤机的螺旋滚轮式刮刀卸料装置,其特征是:所述的刮刀转子(10)为多片式螺旋结构,有数片刮刀围绕转轴组成,由螺栓固定。
4.根据权利要求1所述的一种用于链板带式真空过滤机的螺旋滚轮式刮刀卸料装置,其特征是:所述的滚刀转子(10)表面设有一层涂层,该涂层制备方法如下:
S1,滚刀转子(10)表面预处理,先将滚刀转子(10)进行加热脱脂处理,然后在用丙酮清洗表面,最后采用喷砂处理,采用吸射式喷砂,砂粒采用氧化铝,粒度为30目,压缩空气压力为0.35MPa,喷砂角度为650-750,距离400mm,喷枪移动速度30m/min;
S2,喷涂,粉末为陶瓷粉末,采用等离子喷涂设备,喷涂前需将粉末在200℃的烘箱内干燥,将滚刀转子(10)预热至110℃;采用间歇式喷涂法,将涂层厚度分成10-14次喷完,每次喷涂厚度为0.02mm-0.05mm,采用经过净化后的干燥压缩空气对工件适当部位吹风冷却以缓解喷涂温升;喷涂部位为刮刀刃部,即带钢的边缘部位,涂层宽度为8mm,粘结底层厚度设计为0.04-O.O6mm,涂层厚度为0.3mm,主气为Ar,辅气为H2,送粉气为N2;
S3,涂层的封孔处理,采用毛刷或喷枪将环氧树脂涂抹在滚刀转子(10)表面,常温下放置24小时即可;
S4,涂层的磨削加工,采用精密磨床加工,粗磨选取粒度为60/70-100/120的金刚石砂轮,精磨选用200/230-325/400的粒度,用无机盐作为磨削剂,精磨时可加入聚已二醇作为润滑剂。
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