CN211737458U - An oil-free scroll air compressor integrated eccentric shaft - Google Patents
An oil-free scroll air compressor integrated eccentric shaft Download PDFInfo
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- CN211737458U CN211737458U CN201922454047.6U CN201922454047U CN211737458U CN 211737458 U CN211737458 U CN 211737458U CN 201922454047 U CN201922454047 U CN 201922454047U CN 211737458 U CN211737458 U CN 211737458U
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Abstract
本实用新型涉及一种无油涡旋空压机一体式偏心轴,用于连接托盘与驱动轴,所述驱动轴用于驱动所述托盘偏心公转平动,所述托盘背离所述偏心轴一侧设置动盘,所述托盘用于托住所述动盘,包括偏心组件、平衡块和驱动组件,所述偏心组件设置于所述驱动组件一端,所述平衡块设置于所述偏心组件一侧,所述平衡块和偏心组件一体成型,所述平衡块用于平衡由偏心组件带动的动盘旋转引起的不平衡的惯性力,上述无油涡旋空压机一体式偏心轴,通过将平衡块和偏心组件设置成一体成型,不需要在平衡块和偏心组件之间添加连接件,且轴应力集中现象减少了,减少了加工工序和加工时间。
The utility model relates to an integrated eccentric shaft of an oil-free scroll air compressor, which is used for connecting a tray and a drive shaft, the drive shaft is used to drive the tray to eccentrically revolve and translate, and the tray is away from the eccentric shaft A moving plate is arranged on the side, the tray is used to hold the moving plate, and includes an eccentric assembly, a balance block and a drive assembly, the eccentric assembly is arranged at one end of the drive assembly, and the balance weight is arranged at one side of the eccentric assembly , the balance block and the eccentric assembly are integrally formed, and the balance block is used to balance the unbalanced inertial force caused by the rotation of the moving plate driven by the eccentric assembly. The block and the eccentric component are arranged to be integrally formed, and there is no need to add a connecting piece between the balance block and the eccentric component, and the phenomenon of axial stress concentration is reduced, thus reducing the processing procedure and processing time.
Description
技术领域technical field
本实用新型涉及机械零件领域,尤其是一种无油涡旋空压机一体式偏心轴。The utility model relates to the field of mechanical parts, in particular to an integrated eccentric shaft of an oil-free scroll air compressor.
背景技术Background technique
偏心轴是无油涡旋空压机的重要部件,现在市场上的无油涡旋盘空压机的偏心轴大多由偏心轴和平衡块二部分组成,这种结构存在以下缺陷:The eccentric shaft is an important part of the oil-free scroll air compressor. Most of the eccentric shafts of the oil-free scroll air compressors on the market are composed of an eccentric shaft and a balance block. This structure has the following defects:
1)工序多,因平衡块与偏心轴之间通过螺栓连接,在偏心轴和平衡块上需各加工2或3个孔进行安装;1) There are many processes. Because the balance block and the eccentric shaft are connected by bolts, 2 or 3 holes need to be machined on the eccentric shaft and the balance block for installation;
2)容易产生裂纹,因偏心轴既承受弯曲力作用,又受扭转力作用,受力复杂,强度要求较高,一般经过调质处理等热处理,对应力集中较敏感,工作时间较长后应力集中部位易产生裂纹。2) Cracks are easy to occur. Because the eccentric shaft is subjected to both bending force and torsion force, the force is complex and the strength requirements are high. Generally, it is heat treated such as quenching and tempering, which is more sensitive to stress concentration, and the stress after a long working time. Cracks are prone to occur in concentrated parts.
实用新型内容Utility model content
鉴于上述状况,有必要提供一种制作工序和应力集中现象较少的无油涡旋空压机一体式偏心轴。In view of the above situation, it is necessary to provide an integrated eccentric shaft for an oil-free scroll air compressor with fewer manufacturing processes and less stress concentration.
一种无油涡旋空压机一体式偏心轴,用于驱动托盘偏心公转平动,所述托盘背离所述偏心轴一侧设置动盘,所述托盘用于托住所述动盘,包括偏心组件、平衡块和驱动组件,偏心组件设置于驱动组件一端,平衡块设置于偏心组件一侧,平衡块和偏心组件一体成型,平衡块用于平衡由偏心组件带动的动盘旋转引起的不平衡的惯性力。An integrated eccentric shaft of an oil-free scroll air compressor is used to drive a tray to rotate and translate eccentrically. A moving plate is arranged on the side of the tray away from the eccentric shaft, and the tray is used to hold the moving plate, including an eccentric shaft. Components, balance weights and drive components, the eccentric component is arranged at one end of the drive component, the balance weight is arranged at one side of the eccentric component, the balance weight and the eccentric component are integrally formed, and the balance weight is used to balance the unbalance caused by the rotation of the moving plate driven by the eccentric component inertial force.
优选的,偏心组件包括中间件和设置于中间件偏心位置的偏心轴,中间件的旋转轴线与驱动组件的旋转轴线重合,平衡块设置于中间件一侧。Preferably, the eccentric assembly includes an intermediate member and an eccentric shaft disposed at an eccentric position of the intermediate member, the rotation axis of the intermediate member coincides with the rotation axis of the driving assembly, and the balance weight is disposed on one side of the intermediate member.
平衡块转动时的重心与动盘和托盘转动时的重心处于同一平面的同一径向上的圆心两侧,平衡块的重量乘以其重心到旋转中心的距离的积为A,托盘和动盘的重量的和乘以其重心到旋转中心的距离的积为B,所述A和B相等。The center of gravity when the balance block rotates and the center of gravity when the moving plate and the tray rotate are on both sides of the center of the circle in the same radial direction on the same plane. The product of the weight of the balance block multiplied by the distance from its center of gravity to the center of rotation is A. The product of the sum of the weights multiplied by the distance from the center of gravity to the center of rotation is B, said A and B being equal.
优选的,平衡块为C型,平衡块的开口內缘紧贴于中间件外缘设计。Preferably, the balance weight is C-shaped, and the inner edge of the opening of the balance weight is designed to be close to the outer edge of the middle piece.
优选的,偏心轴在旋转轴向上的长度大于平衡块在旋转轴向上的长度。Preferably, the length of the eccentric shaft in the axis of rotation is greater than the length of the balance weight in the axis of rotation.
优选的,驱动组件包括驱动安装颈、第一轴承安装颈、第二轴承安装颈和过渡部,中间件、驱动安装颈、第一轴承安装颈、第二轴承安装颈和过渡部的旋转轴线重合,过渡部设置于第一轴承安装颈和第二轴承安装颈之间,第一轴承安装颈和第二轴承安装颈远离过渡部的一端分别连接驱动安装颈和中间件。Preferably, the drive assembly includes a drive mounting neck, a first bearing mounting neck, a second bearing mounting neck and a transition portion, and the rotation axes of the intermediate piece, the driving mounting neck, the first bearing mounting neck, the second bearing mounting neck and the transition portion coincide The transition portion is arranged between the first bearing mounting neck and the second bearing mounting neck, and the ends of the first bearing mounting neck and the second bearing mounting neck away from the transition portion are respectively connected to the driving mounting neck and the intermediate piece.
优选的,过渡部为连接轴。Preferably, the transition portion is a connecting shaft.
优选的,驱动安装颈由联轴节或皮带轮驱动转动。Preferably, the drive mounting neck is driven to rotate by a coupling or a pulley.
上述无油涡旋空压机一体式偏心轴,通过将平衡块和偏心组件设置成一体成型,不需要在平衡块和偏心组件之间添加连接件,且轴应力集中现象减少了,减少了加工工序和加工时间。The above-mentioned one-piece eccentric shaft of oil-free scroll air compressor, by arranging the balance block and the eccentric component into one piece, does not need to add a connecting piece between the balance block and the eccentric component, and the phenomenon of axial stress concentration is reduced, and the processing is reduced. process and processing time.
附图说明Description of drawings
图1是本实用新型无油涡旋空压机一体式偏心轴的结构图;Fig. 1 is the structural diagram of the integrated eccentric shaft of the oil-free scroll air compressor of the present invention;
图2是本实用新型无油涡旋空压机一体式偏心轴的另一结构图;Fig. 2 is another structural diagram of the integrated eccentric shaft of the oil-free scroll air compressor of the present invention;
图3是本实用新型无油涡旋空压机一体式偏心轴的另一结构图;3 is another structural diagram of the integrated eccentric shaft of the oil-free scroll air compressor of the present invention;
图4是图2中沿A-A的剖面结构图。FIG. 4 is a cross-sectional structural view along A-A in FIG. 2 .
具体实施方式Detailed ways
为了使本实用新型的目的、技术方案及优点更加清楚明白,以下结合附图及实施例,对本实用新型无油涡旋空压机一体式偏心轴进行进一步详细说明。应当理解,此处所描述的具体实施例仅用以解释本实用新型,并不用于限定本实用新型。In order to make the purpose, technical solutions and advantages of the present utility model clearer, the integrated eccentric shaft of the oil-free scroll air compressor of the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention, and are not used to limit the present invention.
请参见图1,本实用新型无油涡旋空压机一体式偏心轴,用于连接托盘与驱动轴,所述驱动轴用于驱动所述托盘偏心公转平动,所述托盘背离所述偏心轴一侧设置动盘,所述托盘用于托住所述动盘,包括偏心组件100、平衡块200和驱动组件300,偏心组件100设置于驱动组件300一端,平衡块200设置于偏心组件100一侧,平衡块200和偏心组件100一体成型,平衡块200用于平衡由偏心组件100带动的动盘旋转引起的不平衡的惯性力。Please refer to FIG. 1 , an integrated eccentric shaft of the oil-free scroll air compressor of the present invention is used to connect a tray and a drive shaft, the drive shaft is used to drive the tray to eccentrically revolve and translate, and the tray is away from the eccentric A moving plate is arranged on one side of the shaft, and the tray is used to hold the moving plate, including an
通过将平衡块200和偏心组件100设置成一体成型,不需要在平衡块200和偏心组件100之间添加连接件,且轴应力集中现象减少了,减少了加工工序和加工时间。By arranging the
请参见图1,具体的,偏心组件100包括中间件120和设置于中间件120偏心位置的偏心轴110,中间件120的旋转轴线与驱动组件300的旋转轴线重合,平衡块200设置于中间件120一侧,且平衡块200转动时的重心与动盘和托盘转动时的重心处于同一平面的同一径向上的圆心两侧,平衡块200的重量乘以其重心到旋转中心的距离的积为A,托盘和动盘的重量的和乘以其重心到旋转中心的距离的积为B,所述A和B相等。Referring to FIG. 1 , specifically, the
通过设置平衡块200,减少了动盘晃动的影响因素。By arranging the
请参见图2,具体的,平衡块200为C型,平衡块200的开口內缘紧贴于中间件120外缘设计。Referring to FIG. 2 , specifically, the
请参见图3-4,具体的,偏心轴110长度大于平衡块200在轴向上的长度,便于安装动盘。Please refer to FIGS. 3-4 . Specifically, the length of the
请参见图1,具体的,驱动组件300包括驱动安装颈340、第一轴承安装颈330、第二轴承安装颈310和过渡部320,中间件120、驱动安装颈340、第一轴承安装颈330、第二轴承安装颈310和过渡部320的旋转轴线重合,过渡部320设置于第一轴承安装颈330和第二轴承安装颈310之间,第一轴承安装颈330和第二轴承安装颈310远离过渡部320的一端分别连接驱动安装颈340和中间件120。Referring to FIG. 1 , specifically, the
具体的,所述驱动安装颈340、第一轴承安装颈330、第二轴承安装颈310和过渡部320的旋转轴线重合。Specifically, the rotational axes of the
具体的,过渡部320为连接轴。Specifically, the
具体的,通过在第一轴承安装颈330和第二轴承安装颈310安装轴承转动连接固定件,固定件固定连接机体,起到固定驱动组件300的目的。Specifically, by installing a bearing rotating connection fixing member on the first bearing
具体的,驱动安装颈340由联轴节或皮带轮驱动转动。Specifically, the
在使用时,驱动组件300带动偏心组件100转动,进而带动动盘进行偏心转动,由于动盘在偏心转动过程中产生的重心偏移了中间件120的旋转轴线,使得动盘发生晃动,此时平衡块200的旋转重心与偏心轴110带动动盘旋转时的重心平衡后重新落在中间件120的旋转中心上,由于将平衡块200和偏心组件100设置成一体,轴应力集中现象减少,且减少了加工工序和加工时间。When in use, the
以上所述,仅是本实用新型的较佳实施例而已,并非对本实用新型作任何形式上的限制,虽然本实用新型已以较佳实施例揭露如上,然而并非用以限定本实用新型,任何熟悉本专业的技术人员,在不脱离本实用新型技术方案范围内,当可利用上述揭示的技术内容做出些许更动或修饰为等同变化的等效实施例,但凡是未脱离本实用新型技术方案内容,依据本实用新型的技术实质对以上实施例所作的任何简单修改、等同变化与修饰,均仍属于本实用新型技术方案的范围内。The above descriptions are only preferred embodiments of the present invention, and are not intended to limit the present invention in any form. Although the present invention has been disclosed above with preferred embodiments, it is not intended to limit the present invention. Those skilled in the art, without departing from the scope of the technical solution of the present invention, can make some changes or modifications to equivalent examples of equivalent changes by using the technical content disclosed above, provided that the technical content of the present invention is not departed from The content of the solution, any simple modifications, equivalent changes and modifications made to the above embodiments according to the technical essence of the present invention still fall within the scope of the technical solutions of the present invention.
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CN112744702A (en) * | 2020-12-29 | 2021-05-04 | 苏州泰科贝尔直驱电机有限公司 | High-precision single-drive gantry module |
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CN112744702A (en) * | 2020-12-29 | 2021-05-04 | 苏州泰科贝尔直驱电机有限公司 | High-precision single-drive gantry module |
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